diff --git a/Configuration/Framework.xcconfig b/Configuration/Framework.xcconfig
index 7343136..c5e2823 100755
--- a/Configuration/Framework.xcconfig
+++ b/Configuration/Framework.xcconfig
@@ -8,7 +8,7 @@ CLANG_CXX_LANGUAGE_STANDARD = gnu++14
 CLANG_CXX_LIBRARY = libc++
 VENDORS_DIR = $(PROJECT_DIR)/Sources/OpenVPNAdapter/Libraries/Vendors
 HEADER_SEARCH_PATHS = "$(VENDORS_DIR)/asio/asio/include" "$(VENDORS_DIR)/lz4/include" "$(VENDORS_DIR)/mbedtls/include" "$(VENDORS_DIR)/openvpn"
-LIBRARY_SEARCH_PATHS[sdk=iphonesimulator*] = "$(VENDORS_DIR)/lz4/lib/sim" "$(VENDORS_DIR)/mbedtls/lib/sim"
+LIBRARY_SEARCH_PATHS[sdk=iphonesimulator*] = "$(VENDORS_DIR)/lz4/lib/ios" "$(VENDORS_DIR)/mbedtls/lib/ios"
 LIBRARY_SEARCH_PATHS[sdk=iphoneos*] = "$(VENDORS_DIR)/lz4/lib/ios" "$(VENDORS_DIR)/mbedtls/lib/ios"
 LIBRARY_SEARCH_PATHS[sdk=macosx*] = "$(VENDORS_DIR)/lz4/lib/macos" "$(VENDORS_DIR)/mbedtls/lib/macos"
 OTHER_LDFLAGS = -lmbedtls -lmbedx509 -lmbedcrypto -llz4
diff --git a/Configuration/Info-Framework.plist b/Configuration/Info-Framework.plist
index badd676..0d6341f 100644
--- a/Configuration/Info-Framework.plist
+++ b/Configuration/Info-Framework.plist
@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>0.2.0</string>
+	<string>0.3.0</string>
 	<key>CFBundleVersion</key>
 	<string>$(CURRENT_PROJECT_VERSION)</string>
 	<key>NSPrincipalClass</key>
diff --git a/OpenVPNAdapter.podspec b/OpenVPNAdapter.podspec
index 8cf5f11..4214687 100644
--- a/OpenVPNAdapter.podspec
+++ b/OpenVPNAdapter.podspec
@@ -3,7 +3,7 @@ Pod::Spec.new do |s|
   # ―――  Spec Metadata  ―――――――――――――――――――――――――――――――――――――――――――――――――――――――――― #
 
   s.name = "OpenVPNAdapter"
-  s.version = "0.2.0"
+  s.version = "0.3.0"
   s.summary   = "Objective-C wrapper for OpenVPN library. Compatible with iOS and macOS."
   s.description = <<-DESC
     OpenVPNAdapter is an Objective-C framework that allows to easily configure and establish VPN connection using OpenVPN protocol.
diff --git a/README.md b/README.md
index 0802fa2..5299bbe 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ To install OpenVPNAdapter with Cocoapods, add the following lines to your `Podfi
 ```ruby
 target 'Your Target Name' do
   use_frameworks!
-  pod 'OpenVPNAdapter', :git => 'https://github.com/ss-abramchuk/OpenVPNAdapter.git', :tag => '0.2.0'
+  pod 'OpenVPNAdapter', :git => 'https://github.com/ss-abramchuk/OpenVPNAdapter.git', :tag => '0.3.0'
 end
 ```
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/COPYING b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/COPYING
index cca5444..a955fbb 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/COPYING
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/COPYING
@@ -1,4 +1,4 @@
-Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 
 Distributed under the Boost Software License, Version 1.0. (See accompanying
 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/README b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/README
index 661e726..8a91d93 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/README
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/README
@@ -1,4 +1,4 @@
-asio version 1.12.0
-Released Sunday, 04 March 2018.
+asio version 1.13.0
+Released Tuesday, 12 March 2019.
 
 See doc/index.html for API documentation and a tutorial.
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/asio.manifest b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/asio.manifest
index e69d476..c3a501b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/asio.manifest
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/asio.manifest
@@ -12,6 +12,8 @@
 /doc/asio/examples/
 /doc/asio/examples/cpp03_examples.html
 /doc/asio/examples/cpp11_examples.html
+/doc/asio/examples/cpp14_examples.html
+/doc/asio/examples/cpp17_examples.html
 /doc/asio/examples.html
 /doc/asio/history.html
 /doc/asio/index.html
@@ -24,6 +26,7 @@
 /doc/asio/overview/core/buffers.html
 /doc/asio/overview/core/concurrency_hint.html
 /doc/asio/overview/core/coroutine.html
+/doc/asio/overview/core/coroutines_ts.html
 /doc/asio/overview/core/handler_tracking.html
 /doc/asio/overview/core.html
 /doc/asio/overview/core/line_based.html
@@ -70,7 +73,6 @@
 /doc/asio/reference/
 /doc/asio/reference/AcceptableProtocol.html
 /doc/asio/reference/AcceptHandler.html
-/doc/asio/reference/add_service.html
 /doc/asio/reference/asio_handler_allocate.html
 /doc/asio/reference/asio_handler_deallocate.html
 /doc/asio/reference/asio_handler_invoke/
@@ -92,6 +94,7 @@
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 /doc/asio/reference/async_completion.html
 /doc/asio/reference/async_completion/result.html
+/doc/asio/reference/async_compose.html
 /doc/asio/reference/async_connect/
 /doc/asio/reference/async_connect.html
 /doc/asio/reference/async_connect/overload1.html
@@ -100,22 +103,9 @@
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-/doc/asio/reference/asynchronous_operations/automatic_deduction_of_initiating_function_return_type.html
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-/doc/asio/reference/asynchronous_operations/production_of_initiating_function_return_value.html
 /doc/asio/reference/asynchronous_socket_operations.html
+/doc/asio/reference/async_initiate.html
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 /doc/asio/reference/AsyncRandomAccessWriteDevice.html
 /doc/asio/reference/async_read/
@@ -132,9 +122,14 @@
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-/doc/asio/reference/async_result_lt__Handler__gt_.html
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+/doc/asio/reference/async_result/initiate.html
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 /doc/asio/reference/async_result_lt__std__packaged_task_lt__Result_lp_Args_ellipsis__rp__gt__comma__Signature__gt_/completion_handler_type.html
@@ -174,7 +166,19 @@
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@@ -213,12 +217,16 @@
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@@ -295,6 +302,9 @@
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diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/boost_asio.manifest b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/boost_asio.manifest
index 98efac6..d19fefe 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/boost_asio.manifest
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/boost_asio.manifest
@@ -4,6 +4,7 @@
 /boost/asio/associated_allocator.hpp
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 /boost/asio/basic_deadline_timer.hpp
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@@ -29,12 +30,13 @@
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-/boost/asio/datagram_socket_service.hpp
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 /boost/asio/detail/
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@@ -66,10 +68,12 @@
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+/boost/asio/detail/future.hpp
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 /boost/asio/detail/gcc_hppa_fenced_block.hpp
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@@ -134,6 +138,8 @@
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-/doc/html/boost_asio/reference/windows__stream_handle/stream_handle/
-/doc/html/boost_asio/reference/windows__stream_handle/stream_handle.html
-/doc/html/boost_asio/reference/windows__stream_handle/stream_handle/overload1.html
-/doc/html/boost_asio/reference/windows__stream_handle/stream_handle/overload2.html
-/doc/html/boost_asio/reference/windows__stream_handle/stream_handle/overload3.html
-/doc/html/boost_asio/reference/windows__stream_handle/write_some/
-/doc/html/boost_asio/reference/windows__stream_handle/write_some.html
-/doc/html/boost_asio/reference/windows__stream_handle/write_some/overload1.html
-/doc/html/boost_asio/reference/windows__stream_handle/write_some/overload2.html
 /doc/html/boost_asio/reference/write/
 /doc/html/boost_asio/reference/write_at/
 /doc/html/boost_asio/reference/write_at.html
@@ -4246,6 +4392,10 @@
 /doc/html/boost_asio/reference/write/overload10.html
 /doc/html/boost_asio/reference/write/overload11.html
 /doc/html/boost_asio/reference/write/overload12.html
+/doc/html/boost_asio/reference/write/overload13.html
+/doc/html/boost_asio/reference/write/overload14.html
+/doc/html/boost_asio/reference/write/overload15.html
+/doc/html/boost_asio/reference/write/overload16.html
 /doc/html/boost_asio/reference/write/overload1.html
 /doc/html/boost_asio/reference/write/overload2.html
 /doc/html/boost_asio/reference/write/overload3.html
@@ -4319,6 +4469,7 @@
 /libs/asio/doc/overview/buffers.qbk
 /libs/asio/doc/overview/concurrency_hint.qbk
 /libs/asio/doc/overview/coroutine.qbk
+/libs/asio/doc/overview/coroutines_ts.qbk
 /libs/asio/doc/overview/cpp2011.qbk
 /libs/asio/doc/overview/handler_tracking.qbk
 /libs/asio/doc/overview/implementation.qbk
@@ -4363,6 +4514,8 @@
 /libs/asio/doc/requirements/ConnectHandler.qbk
 /libs/asio/doc/requirements/ConstBufferSequence.qbk
 /libs/asio/doc/requirements/DynamicBuffer.qbk
+/libs/asio/doc/requirements/DynamicBuffer_v1.qbk
+/libs/asio/doc/requirements/DynamicBuffer_v2.qbk
 /libs/asio/doc/requirements/Endpoint.qbk
 /libs/asio/doc/requirements/EndpointSequence.qbk
 /libs/asio/doc/requirements/ExecutionContext.qbk
@@ -4375,6 +4528,7 @@
 /libs/asio/doc/requirements/IoControlCommand.qbk
 /libs/asio/doc/requirements/IoObjectService.qbk
 /libs/asio/doc/requirements/IteratorConnectHandler.qbk
+/libs/asio/doc/requirements/LegacyCompletionHandler.qbk
 /libs/asio/doc/requirements/MoveAcceptHandler.qbk
 /libs/asio/doc/requirements/MutableBufferSequence.qbk
 /libs/asio/doc/requirements/ProtoAllocator.qbk
@@ -4562,8 +4716,6 @@
 /libs/asio/example/cpp03/spawn/Jamfile.v2
 /libs/asio/example/cpp03/spawn/parallel_grep.cpp
 /libs/asio/example/cpp03/ssl/
-/libs/asio/example/cpp03/ssl/ca2.pem
-/libs/asio/example/cpp03/ssl/ca3.pem
 /libs/asio/example/cpp03/ssl/ca.pem
 /libs/asio/example/cpp03/ssl/client.cpp
 /libs/asio/example/cpp03/ssl/dh2048.pem
@@ -4574,12 +4726,12 @@
 /libs/asio/example/cpp03/timeouts/
 /libs/asio/example/cpp03/timeouts/async_tcp_client.cpp
 /libs/asio/example/cpp03/timeouts/blocking_tcp_client.cpp
+/libs/asio/example/cpp03/timeouts/blocking_token_tcp_client.cpp
 /libs/asio/example/cpp03/timeouts/blocking_udp_client.cpp
 /libs/asio/example/cpp03/timeouts/Jamfile.v2
 /libs/asio/example/cpp03/timeouts/server.cpp
 /libs/asio/example/cpp03/timers/
 /libs/asio/example/cpp03/timers/Jamfile.v2
-/libs/asio/example/cpp03/timers/tick_count_timer.cpp
 /libs/asio/example/cpp03/timers/time_t_timer.cpp
 /libs/asio/example/cpp03/tutorial/
 /libs/asio/example/cpp03/tutorial/daytime1/
@@ -4677,6 +4829,7 @@
 /libs/asio/example/cpp11/invocation/prioritised_handlers.cpp
 /libs/asio/example/cpp11/iostreams/
 /libs/asio/example/cpp11/iostreams/http_client.cpp
+/libs/asio/example/cpp11/iostreams/Jamfile.v2
 /libs/asio/example/cpp11/local/
 /libs/asio/example/cpp11/local/connect_pair.cpp
 /libs/asio/example/cpp11/local/iostream_client.cpp
@@ -4690,20 +4843,59 @@
 /libs/asio/example/cpp11/nonblocking/
 /libs/asio/example/cpp11/nonblocking/Jamfile.v2
 /libs/asio/example/cpp11/nonblocking/third_party_lib.cpp
+/libs/asio/example/cpp11/operations/
+/libs/asio/example/cpp11/operations/composed_1.cpp
+/libs/asio/example/cpp11/operations/composed_2.cpp
+/libs/asio/example/cpp11/operations/composed_3.cpp
+/libs/asio/example/cpp11/operations/composed_4.cpp
+/libs/asio/example/cpp11/operations/composed_5.cpp
+/libs/asio/example/cpp11/operations/composed_6.cpp
+/libs/asio/example/cpp11/operations/composed_7.cpp
+/libs/asio/example/cpp11/operations/composed_8.cpp
+/libs/asio/example/cpp11/operations/Jamfile.v2
+/libs/asio/example/cpp11/socks4/
+/libs/asio/example/cpp11/socks4/Jamfile.v2
+/libs/asio/example/cpp11/socks4/socks4.hpp
+/libs/asio/example/cpp11/socks4/sync_client.cpp
 /libs/asio/example/cpp11/spawn/
 /libs/asio/example/cpp11/spawn/echo_server.cpp
 /libs/asio/example/cpp11/spawn/Jamfile.v2
 /libs/asio/example/cpp11/spawn/parallel_grep.cpp
+/libs/asio/example/cpp11/ssl/
+/libs/asio/example/cpp11/ssl/ca.pem
+/libs/asio/example/cpp11/ssl/client.cpp
+/libs/asio/example/cpp11/ssl/dh2048.pem
+/libs/asio/example/cpp11/ssl/Jamfile.v2
+/libs/asio/example/cpp11/ssl/README
+/libs/asio/example/cpp11/ssl/server.cpp
+/libs/asio/example/cpp11/ssl/server.pem
+/libs/asio/example/cpp11/timeouts/
+/libs/asio/example/cpp11/timeouts/async_tcp_client.cpp
+/libs/asio/example/cpp11/timeouts/blocking_tcp_client.cpp
+/libs/asio/example/cpp11/timeouts/blocking_token_tcp_client.cpp
+/libs/asio/example/cpp11/timeouts/blocking_udp_client.cpp
+/libs/asio/example/cpp11/timeouts/Jamfile.v2
+/libs/asio/example/cpp11/timeouts/server.cpp
+/libs/asio/example/cpp11/timers/
+/libs/asio/example/cpp11/timers/Jamfile.v2
+/libs/asio/example/cpp11/timers/time_t_timer.cpp
 /libs/asio/example/cpp14/
-/libs/asio/example/cpp14/executors/
-/libs/asio/example/cpp14/executors/actor.cpp
-/libs/asio/example/cpp14/executors/async_1.cpp
-/libs/asio/example/cpp14/executors/async_2.cpp
-/libs/asio/example/cpp14/executors/bank_account_1.cpp
-/libs/asio/example/cpp14/executors/bank_account_2.cpp
-/libs/asio/example/cpp14/executors/fork_join.cpp
-/libs/asio/example/cpp14/executors/pipeline.cpp
-/libs/asio/example/cpp14/executors/priority_scheduler.cpp
+/libs/asio/example/cpp14/operations/
+/libs/asio/example/cpp14/operations/composed_1.cpp
+/libs/asio/example/cpp14/operations/composed_2.cpp
+/libs/asio/example/cpp14/operations/composed_3.cpp
+/libs/asio/example/cpp14/operations/composed_4.cpp
+/libs/asio/example/cpp14/operations/composed_5.cpp
+/libs/asio/example/cpp14/operations/composed_6.cpp
+/libs/asio/example/cpp14/operations/composed_7.cpp
+/libs/asio/example/cpp14/operations/composed_8.cpp
+/libs/asio/example/cpp14/operations/Jamfile.v2
+/libs/asio/example/cpp17/
+/libs/asio/example/cpp17/coroutines_ts/
+/libs/asio/example/cpp17/coroutines_ts/chat_server.cpp
+/libs/asio/example/cpp17/coroutines_ts/echo_server.cpp
+/libs/asio/example/cpp17/coroutines_ts/range_based_for.cpp
+/libs/asio/example/cpp17/coroutines_ts/refactored_echo_server.cpp
 /libs/asio/index.html
 /libs/asio/meta/
 /libs/asio/meta/libraries.json
@@ -4719,6 +4911,7 @@
 /libs/asio/test/associated_allocator.cpp
 /libs/asio/test/associated_executor.cpp
 /libs/asio/test/async_result.cpp
+/libs/asio/test/awaitable.cpp
 /libs/asio/test/basic_datagram_socket.cpp
 /libs/asio/test/basic_deadline_timer.cpp
 /libs/asio/test/basic_raw_socket.cpp
@@ -4726,6 +4919,7 @@
 /libs/asio/test/basic_serial_port.cpp
 /libs/asio/test/basic_signal_set.cpp
 /libs/asio/test/basic_socket_acceptor.cpp
+/libs/asio/test/basic_socket.cpp
 /libs/asio/test/basic_streambuf.cpp
 /libs/asio/test/basic_stream_socket.cpp
 /libs/asio/test/basic_waitable_timer.cpp
@@ -4736,12 +4930,13 @@
 /libs/asio/test/buffered_write_stream.cpp
 /libs/asio/test/buffers_iterator.cpp
 /libs/asio/test/completion_condition.cpp
+/libs/asio/test/compose.cpp
 /libs/asio/test/connect.cpp
 /libs/asio/test/coroutine.cpp
-/libs/asio/test/datagram_socket_service.cpp
+/libs/asio/test/co_spawn.cpp
 /libs/asio/test/deadline_timer.cpp
-/libs/asio/test/deadline_timer_service.cpp
 /libs/asio/test/defer.cpp
+/libs/asio/test/detached.cpp
 /libs/asio/test/dispatch.cpp
 /libs/asio/test/error.cpp
 /libs/asio/test/execution_context.cpp
@@ -4755,6 +4950,7 @@
 /libs/asio/test/generic/stream_protocol.cpp
 /libs/asio/test/high_resolution_timer.cpp
 /libs/asio/test/io_context.cpp
+/libs/asio/test/io_context_strand.cpp
 /libs/asio/test/ip/
 /libs/asio/test/ip/address.cpp
 /libs/asio/test/ip/address_v4.cpp
@@ -4774,7 +4970,6 @@
 /libs/asio/test/ip/network_v4.cpp
 /libs/asio/test/ip/network_v6.cpp
 /libs/asio/test/ip/resolver_query_base.cpp
-/libs/asio/test/ip/resolver_service.cpp
 /libs/asio/test/ip/tcp.cpp
 /libs/asio/test/ip/udp.cpp
 /libs/asio/test/ip/unicast.cpp
@@ -4803,19 +4998,14 @@
 /libs/asio/test/posix/descriptor_base.cpp
 /libs/asio/test/posix/descriptor.cpp
 /libs/asio/test/posix/stream_descriptor.cpp
-/libs/asio/test/posix/stream_descriptor_service.cpp
 /libs/asio/test/post.cpp
-/libs/asio/test/raw_socket_service.cpp
 /libs/asio/test/read_at.cpp
 /libs/asio/test/read.cpp
 /libs/asio/test/read_until.cpp
-/libs/asio/test/seq_packet_socket_service.cpp
+/libs/asio/test/redirect_error.cpp
 /libs/asio/test/serial_port_base.cpp
 /libs/asio/test/serial_port.cpp
-/libs/asio/test/serial_port_service.cpp
 /libs/asio/test/signal_set.cpp
-/libs/asio/test/signal_set_service.cpp
-/libs/asio/test/socket_acceptor_service.cpp
 /libs/asio/test/socket_base.cpp
 /libs/asio/test/ssl/
 /libs/asio/test/ssl/context_base.cpp
@@ -4828,10 +5018,10 @@
 /libs/asio/test/steady_timer.cpp
 /libs/asio/test/strand.cpp
 /libs/asio/test/streambuf.cpp
-/libs/asio/test/stream_socket_service.cpp
 /libs/asio/test/system_context.cpp
 /libs/asio/test/system_executor.cpp
 /libs/asio/test/system_timer.cpp
+/libs/asio/test/this_coro.cpp
 /libs/asio/test/time_traits.cpp
 /libs/asio/test/ts/
 /libs/asio/test/ts/buffer.cpp
@@ -4843,23 +5033,20 @@
 /libs/asio/test/ts/socket.cpp
 /libs/asio/test/ts/timer.cpp
 /libs/asio/test/unit_test.hpp
+/libs/asio/test/use_awaitable.cpp
 /libs/asio/test/use_future.cpp
 /libs/asio/test/uses_executor.cpp
-/libs/asio/test/waitable_timer_service.cpp
 /libs/asio/test/wait_traits.cpp
 /libs/asio/test/windows/
-/libs/asio/test/windows/basic_handle.cpp
 /libs/asio/test/windows/basic_object_handle.cpp
+/libs/asio/test/windows/basic_overlapped_handle.cpp
 /libs/asio/test/windows/basic_random_access_handle.cpp
 /libs/asio/test/windows/basic_stream_handle.cpp
 /libs/asio/test/windows/object_handle.cpp
-/libs/asio/test/windows/object_handle_service.cpp
 /libs/asio/test/windows/overlapped_handle.cpp
 /libs/asio/test/windows/overlapped_ptr.cpp
 /libs/asio/test/windows/random_access_handle.cpp
-/libs/asio/test/windows/random_access_handle_service.cpp
 /libs/asio/test/windows/stream_handle.cpp
-/libs/asio/test/windows/stream_handle_service.cpp
 /libs/asio/test/write_at.cpp
 /libs/asio/test/write.cpp
 /libs/asio/tools/
@@ -4869,19 +5056,38 @@
 /libs/system/build/
 /libs/system/build/Jamfile
 /libs/system/build/Jamfile.v2
+/libs/system/CMakeLists.txt
 /libs/system/doc/
-/libs/system/doc/index.html
-/libs/system/doc/reference.html
+/libs/system/doc/Jamfile
+/libs/system/doc/system/
+/libs/system/doc/system/acknowledgements.adoc
+/libs/system/doc/system.adoc
+/libs/system/doc/system/changes.adoc
+/libs/system/doc/system/copyright.adoc
+/libs/system/doc/system-docinfo-footer.html
+/libs/system/doc/system/history.adoc
+/libs/system/doc/system/introduction.adoc
+/libs/system/doc/system/rationale.adoc
+/libs/system/doc/system/reference.adoc
 /libs/system/index.html
 /libs/system/meta/
 /libs/system/meta/libraries.json
 /libs/system/src/
 /libs/system/src/error_code.cpp
 /libs/system/test/
+/libs/system/test/after_main_test.cpp
+/libs/system/test/before_main_test.cpp
+/libs/system/test/cmake_subdir_test/
+/libs/system/test/cmake_subdir_test/CMakeLists.txt
 /libs/system/test/config_test.cpp
+/libs/system/test/constexpr_test.cpp
 /libs/system/test/dynamic_link_test.cpp
+/libs/system/test/error_category_test.cpp
 /libs/system/test/error_code_test.cpp
 /libs/system/test/error_code_user_test.cpp
+/libs/system/test/failed_constexpr_test.cpp
+/libs/system/test/failed_test.cpp
+/libs/system/test/generic_category_test.cpp
 /libs/system/test/header_only_test.cpp
 /libs/system/test/initialization_test.cpp
 /libs/system/test/Jamfile.v2
@@ -4901,9 +5107,15 @@
 /libs/system/test/msvc/system-dll/system-dll.vcxproj
 /libs/system/test/msvc/system.sln
 /libs/system/test/quick.cpp
+/libs/system/test/single_instance_1.cpp
+/libs/system/test/single_instance_2.cpp
+/libs/system/test/single_instance_test.cpp
 /libs/system/test/std_interop_test.cpp
 /libs/system/test/std_mismatch_test.cpp
+/libs/system/test/system_category_test.cpp
 /libs/system/test/system_error_test.cpp
+/libs/system/test/throws_assign_fail.cpp
 /libs/system/test/throw_test.cpp
+/libs/system/test/win32_hresult_test.cpp
 /libs/system/.travis.yml
 /README.txt
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/boostify.pl b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/boostify.pl
index df1a03c..4d08a13 100755
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/boostify.pl
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/boostify.pl
@@ -281,7 +281,7 @@ sub copy_source_file
       $line =~ s/asio::/boost::asio::/g if !$is_xsl;
       print_line($output, $line, $from, $lineno);
     }
-    elsif ($line =~ /} \/\/ namespace std/)
+    elsif ($line =~ /^} \/\/ namespace std/)
     {
       print_line($output, "} // namespace system", $from, $lineno);
       print_line($output, "} // namespace boost", $from, $lineno);
@@ -365,6 +365,8 @@ sub copy_include_files
       "include/asio",
       "include/asio/detail",
       "include/asio/detail/impl",
+      "include/asio/experimental",
+      "include/asio/experimental/impl",
       "include/asio/generic",
       "include/asio/generic/detail",
       "include/asio/generic/detail/impl",
@@ -528,8 +530,15 @@ sub copy_examples
       "src/examples/cpp11/local",
       "src/examples/cpp11/multicast",
       "src/examples/cpp11/nonblocking",
+      "src/examples/cpp11/operations",
+      "src/examples/cpp11/socks4",
       "src/examples/cpp11/spawn",
-      "src/examples/cpp14/executors");
+      "src/examples/cpp11/ssl",
+      "src/examples/cpp11/timeouts",
+      "src/examples/cpp11/timers",
+      "src/examples/cpp14/executors",
+      "src/examples/cpp14/operations",
+      "src/examples/cpp17/coroutines_ts");
 
   our $boost_dir;
   foreach my $dir (@dirs)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/configure.ac b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/configure.ac
index ef13bc3..e7cd3d1 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/configure.ac
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT(asio, [1.12.0])
+AC_INIT(asio, [1.13.0])
 AC_CONFIG_SRCDIR(include/asio.hpp)
 AM_MAINTAINER_MODE
 AM_INIT_AUTOMAKE([tar-ustar])
@@ -17,20 +17,12 @@ AC_ARG_WITH(boost,
   if test "${withval}" = no; then
     STANDALONE="yes"
   else
-    CPPFLAGS="$CPPFLAGS -I${withval} -DBOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING"
+    CPPFLAGS="$CPPFLAGS -I${withval} -DASIO_ENABLE_BOOST -DBOOST_CHRONO_HEADER_ONLY -DBOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING"
     LIBS="$LIBS -L${withval}/stage/lib"
   fi
 ],
 [
-  BOOSTDIR=`ls -1d ../boost_*_*_*/ 2>/dev/null | sort -t "_" -k 2nr -k 3nr -k 4nr | head -n 1 | sed -e 's/\/$//'`
-  if test "${BOOSTDIR}" != ""; then
-    BOOSTDIR="`pwd`/${BOOSTDIR}"
-    if test -d "${BOOSTDIR}"; then
-      echo "using automatically detected boost from ${BOOSTDIR}"
-      CPPFLAGS="$CPPFLAGS -I${BOOSTDIR} -DBOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING"
-      LIBS="$LIBS -L${BOOSTDIR}/stage/lib"
-    fi
-  fi
+  STANDALONE="yes"
 ])
 
 AC_ARG_ENABLE(separate-compilation,
@@ -50,6 +42,7 @@ if test "$STANDALONE" != yes; then
   [
     echo "Can't find boost headers. Please check the location of the boost"
     echo "distribution and rerun configure using the --with-boost=DIR option."
+    echo "Alternatively, run with --without-boost to enable standalone build."
     exit 1
   ],[])
 fi
@@ -101,7 +94,7 @@ case $host in
     WINDOWS=yes
     ;;
   *-pc-cygwin*)
-    CXXFLAGS="$CXXFLAGS -D__USE_W32_SOCKETS -D_WIN32_WINNT=0x0501"
+    CXXFLAGS="$CXXFLAGS -D__USE_W32_SOCKETS -D_WIN32_WINNT=0x0601"
     LIBS="$LIBS -lws2_32 -lmswsock"
     WINDOWS=yes
     ;;
@@ -117,13 +110,14 @@ case $host in
     CXXFLAGS="$CXXFLAGS -pthread"
     LDFLAGS="$LDFLAGS -pthread"
     ;;
+  *-*-haiku*)
+    CXXFLAGS="$CXXFLAGS -lnetwork"
+    LDFLAGS="$LDFLAGS -lnetwork"
+
 esac
 
 if test "$GXX" = yes; then
   CXXFLAGS="$CXXFLAGS -ftemplate-depth-256"
-  if test "$STANDALONE" = yes; then
-    CPPFLAGS="-std=c++0x $CPPFLAGS"
-  fi
 fi
 
 if test "$STANDALONE" = yes; then
@@ -134,6 +128,37 @@ if test "$SEPARATE_COMPILATION" = yes; then
   CPPFLAGS="$CPPFLAGS -DASIO_SEPARATE_COMPILATION"
 fi
 
+AC_MSG_CHECKING([whether C++11 is enabled])
+AC_COMPILE_IFELSE(
+  [AC_LANG_PROGRAM(
+    [[#if __cplusplus < 201103L]]
+    [[#error C++11 not available]]
+    [[#endif]])],
+  [AC_MSG_RESULT([yes])
+    HAVE_CXX11=yes;],
+  [AC_MSG_RESULT([no])
+    HAVE_CXX11=no;])
+
+AC_MSG_CHECKING([whether C++14 is enabled])
+AC_COMPILE_IFELSE(
+  [AC_LANG_PROGRAM(
+    [[#if __cplusplus < 201402L]]
+    [[#error C++14 not available]]
+    [[#endif]])],
+  [AC_MSG_RESULT([yes])
+    HAVE_CXX14=yes;],
+  [AC_MSG_RESULT([no])
+    HAVE_CXX14=no;])
+
+if test "$GXX" = yes; then
+  if test "$STANDALONE" = yes; then
+    if test "$HAVE_CXX11" = no; then
+      HAVE_CXX11=yes
+      CPPFLAGS="-std=c++0x $CPPFLAGS"
+    fi
+  fi
+fi
+
 AM_CONDITIONAL(STANDALONE,test x$STANDALONE = xyes)
 
 AM_CONDITIONAL(SEPARATE_COMPILATION,test x$SEPARATE_COMPILATION = xyes)
@@ -142,6 +167,10 @@ AM_CONDITIONAL(HAVE_BOOST_COROUTINE,test x$HAVE_BOOST_COROUTINE = xyes)
 
 AM_CONDITIONAL(WINDOWS_TARGET,test x$WINDOWS != xno)
 
+AM_CONDITIONAL(HAVE_CXX11,test x$HAVE_CXX11 = xyes)
+
+AM_CONDITIONAL(HAVE_CXX14,test x$HAVE_CXX14 = xyes)
+
 AC_OUTPUT([
   Makefile
   include/Makefile
@@ -149,4 +178,5 @@ AC_OUTPUT([
   src/tests/Makefile
   src/examples/cpp03/Makefile
   src/examples/cpp11/Makefile
-  src/examples/cpp14/Makefile])
+  src/examples/cpp14/Makefile
+  src/examples/cpp17/Makefile])
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/Makefile.am b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/Makefile.am
index e1c0e1f..b1f6cfd 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/Makefile.am
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/Makefile.am
@@ -3,6 +3,7 @@ nobase_include_HEADERS = \
 	asio/associated_allocator.hpp \
 	asio/associated_executor.hpp \
 	asio/async_result.hpp \
+	asio/awaitable.hpp \
 	asio/basic_datagram_socket.hpp \
 	asio/basic_deadline_timer.hpp \
 	asio/basic_io_object.hpp \
@@ -27,13 +28,14 @@ nobase_include_HEADERS = \
 	asio/buffered_write_stream.hpp \
 	asio/buffer.hpp \
 	asio/buffers_iterator.hpp \
+	asio/co_spawn.hpp \
 	asio/completion_condition.hpp \
+	asio/compose.hpp \
 	asio/connect.hpp \
 	asio/coroutine.hpp \
-	asio/datagram_socket_service.hpp \
 	asio/deadline_timer.hpp \
-	asio/deadline_timer_service.hpp \
 	asio/defer.hpp \
+	asio/detached.hpp \
 	asio/detail/array_fwd.hpp \
 	asio/detail/array.hpp \
 	asio/detail/assert.hpp \
@@ -64,10 +66,12 @@ nobase_include_HEADERS = \
 	asio/detail/epoll_reactor.hpp \
 	asio/detail/eventfd_select_interrupter.hpp \
 	asio/detail/event.hpp \
+	asio/detail/executor_function.hpp \
 	asio/detail/executor_op.hpp \
 	asio/detail/fd_set_adapter.hpp \
 	asio/detail/fenced_block.hpp \
 	asio/detail/functional.hpp \
+	asio/detail/future.hpp \
 	asio/detail/gcc_arm_fenced_block.hpp \
 	asio/detail/gcc_hppa_fenced_block.hpp \
 	asio/detail/gcc_sync_fenced_block.hpp \
@@ -131,6 +135,8 @@ nobase_include_HEADERS = \
 	asio/detail/impl/win_thread.ipp \
 	asio/detail/impl/win_tss_ptr.ipp \
 	asio/detail/io_control.hpp \
+	asio/detail/io_object_executor.hpp \
+	asio/detail/io_object_impl.hpp \
 	asio/detail/is_buffer_sequence.hpp \
 	asio/detail/is_executor.hpp \
 	asio/detail/keyword_tss_ptr.hpp \
@@ -140,6 +146,7 @@ nobase_include_HEADERS = \
 	asio/detail/macos_fenced_block.hpp \
 	asio/detail/memory.hpp \
 	asio/detail/mutex.hpp \
+	asio/detail/non_const_lvalue.hpp \
 	asio/detail/noncopyable.hpp \
 	asio/detail/null_event.hpp \
 	asio/detail/null_fenced_block.hpp \
@@ -284,8 +291,8 @@ nobase_include_HEADERS = \
 	asio/error_code.hpp \
 	asio/error.hpp \
 	asio/execution_context.hpp \
-	asio/executor_work_guard.hpp \
 	asio/executor.hpp \
+	asio/executor_work_guard.hpp \
 	asio/generic/basic_endpoint.hpp \
 	asio/generic/datagram_protocol.hpp \
 	asio/generic/detail/endpoint.hpp \
@@ -296,13 +303,16 @@ nobase_include_HEADERS = \
 	asio/handler_alloc_hook.hpp \
 	asio/handler_continuation_hook.hpp \
 	asio/handler_invoke_hook.hpp \
-	asio/handler_type.hpp \
 	asio/high_resolution_timer.hpp \
 	asio.hpp \
+	asio/impl/awaitable.hpp \
 	asio/impl/buffered_read_stream.hpp \
 	asio/impl/buffered_write_stream.hpp \
+	asio/impl/co_spawn.hpp \
+	asio/impl/compose.hpp \
 	asio/impl/connect.hpp \
 	asio/impl/defer.hpp \
+	asio/impl/detached.hpp \
 	asio/impl/dispatch.hpp \
 	asio/impl/error_code.ipp \
 	asio/impl/error.ipp \
@@ -317,6 +327,7 @@ nobase_include_HEADERS = \
 	asio/impl/read_at.hpp \
 	asio/impl/read.hpp \
 	asio/impl/read_until.hpp \
+	asio/impl/redirect_error.hpp \
 	asio/impl/serial_port_base.hpp \
 	asio/impl/serial_port_base.ipp \
 	asio/impl/spawn.hpp \
@@ -327,13 +338,14 @@ nobase_include_HEADERS = \
 	asio/impl/system_executor.hpp \
 	asio/impl/thread_pool.hpp \
 	asio/impl/thread_pool.ipp \
+	asio/impl/use_awaitable.hpp \
 	asio/impl/use_future.hpp \
 	asio/impl/write_at.hpp \
 	asio/impl/write.hpp \
-	asio/io_context_strand.hpp \
 	asio/io_context.hpp \
-	asio/io_service_strand.hpp \
+	asio/io_context_strand.hpp \
 	asio/io_service.hpp \
+	asio/io_service_strand.hpp \
 	asio/ip/address.hpp \
 	asio/ip/address_v4.hpp \
 	asio/ip/address_v4_iterator.hpp \
@@ -370,7 +382,6 @@ nobase_include_HEADERS = \
 	asio/ip/network_v6.hpp \
 	asio/ip/resolver_base.hpp \
 	asio/ip/resolver_query_base.hpp \
-	asio/ip/resolver_service.hpp \
 	asio/ip/tcp.hpp \
 	asio/ip/udp.hpp \
 	asio/ip/unicast.hpp \
@@ -388,22 +399,17 @@ nobase_include_HEADERS = \
 	asio/placeholders.hpp \
 	asio/posix/basic_descriptor.hpp \
 	asio/posix/basic_stream_descriptor.hpp \
-	asio/posix/descriptor.hpp \
 	asio/posix/descriptor_base.hpp \
+	asio/posix/descriptor.hpp \
 	asio/posix/stream_descriptor.hpp \
-	asio/posix/stream_descriptor_service.hpp \
 	asio/post.hpp \
-	asio/raw_socket_service.hpp \
 	asio/read_at.hpp \
 	asio/read.hpp \
 	asio/read_until.hpp \
-	asio/seq_packet_socket_service.hpp \
+	asio/redirect_error.hpp \
 	asio/serial_port_base.hpp \
 	asio/serial_port.hpp \
-	asio/serial_port_service.hpp \
 	asio/signal_set.hpp \
-	asio/signal_set_service.hpp \
-	asio/socket_acceptor_service.hpp \
 	asio/socket_base.hpp \
 	asio/spawn.hpp \
 	asio/ssl/context_base.hpp \
@@ -437,11 +443,11 @@ nobase_include_HEADERS = \
 	asio/steady_timer.hpp \
 	asio/strand.hpp \
 	asio/streambuf.hpp \
-	asio/stream_socket_service.hpp \
 	asio/system_context.hpp \
 	asio/system_error.hpp \
 	asio/system_executor.hpp \
 	asio/system_timer.hpp \
+	asio/this_coro.hpp \
 	asio/thread.hpp \
 	asio/thread_pool.hpp \
 	asio/time_traits.hpp \
@@ -454,23 +460,20 @@ nobase_include_HEADERS = \
 	asio/ts/socket.hpp \
 	asio/ts/timer.hpp \
 	asio/unyield.hpp \
+	asio/use_awaitable.hpp \
 	asio/use_future.hpp \
 	asio/uses_executor.hpp \
 	asio/version.hpp \
-	asio/waitable_timer_service.hpp \
 	asio/wait_traits.hpp \
-	asio/windows/basic_handle.hpp \
 	asio/windows/basic_object_handle.hpp \
+	asio/windows/basic_overlapped_handle.hpp \
 	asio/windows/basic_random_access_handle.hpp \
 	asio/windows/basic_stream_handle.hpp \
 	asio/windows/object_handle.hpp \
-	asio/windows/object_handle_service.hpp \
 	asio/windows/overlapped_handle.hpp \
 	asio/windows/overlapped_ptr.hpp \
 	asio/windows/random_access_handle.hpp \
-	asio/windows/random_access_handle_service.hpp \
 	asio/windows/stream_handle.hpp \
-	asio/windows/stream_handle_service.hpp \
 	asio/write_at.hpp \
 	asio/write.hpp \
 	asio/yield.hpp
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio.hpp
index fafb838..4b47b92 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio.hpp
@@ -2,7 +2,7 @@
 // asio.hpp
 // ~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -18,6 +18,7 @@
 #include "asio/associated_allocator.hpp"
 #include "asio/associated_executor.hpp"
 #include "asio/async_result.hpp"
+#include "asio/awaitable.hpp"
 #include "asio/basic_datagram_socket.hpp"
 #include "asio/basic_deadline_timer.hpp"
 #include "asio/basic_io_object.hpp"
@@ -25,6 +26,7 @@
 #include "asio/basic_seq_packet_socket.hpp"
 #include "asio/basic_serial_port.hpp"
 #include "asio/basic_signal_set.hpp"
+#include "asio/basic_socket.hpp"
 #include "asio/basic_socket_acceptor.hpp"
 #include "asio/basic_socket_iostream.hpp"
 #include "asio/basic_socket_streambuf.hpp"
@@ -40,13 +42,14 @@
 #include "asio/buffered_write_stream_fwd.hpp"
 #include "asio/buffered_write_stream.hpp"
 #include "asio/buffers_iterator.hpp"
+#include "asio/co_spawn.hpp"
 #include "asio/completion_condition.hpp"
+#include "asio/compose.hpp"
 #include "asio/connect.hpp"
 #include "asio/coroutine.hpp"
-#include "asio/datagram_socket_service.hpp"
-#include "asio/deadline_timer_service.hpp"
 #include "asio/deadline_timer.hpp"
 #include "asio/defer.hpp"
+#include "asio/detached.hpp"
 #include "asio/dispatch.hpp"
 #include "asio/error.hpp"
 #include "asio/error_code.hpp"
@@ -61,7 +64,6 @@
 #include "asio/handler_alloc_hook.hpp"
 #include "asio/handler_continuation_hook.hpp"
 #include "asio/handler_invoke_hook.hpp"
-#include "asio/handler_type.hpp"
 #include "asio/high_resolution_timer.hpp"
 #include "asio/io_context.hpp"
 #include "asio/io_context_strand.hpp"
@@ -74,6 +76,8 @@
 #include "asio/ip/address_v6.hpp"
 #include "asio/ip/address_v6_iterator.hpp"
 #include "asio/ip/address_v6_range.hpp"
+#include "asio/ip/network_v4.hpp"
+#include "asio/ip/network_v6.hpp"
 #include "asio/ip/bad_address_cast.hpp"
 #include "asio/ip/basic_endpoint.hpp"
 #include "asio/ip/basic_resolver.hpp"
@@ -85,7 +89,6 @@
 #include "asio/ip/multicast.hpp"
 #include "asio/ip/resolver_base.hpp"
 #include "asio/ip/resolver_query_base.hpp"
-#include "asio/ip/resolver_service.hpp"
 #include "asio/ip/tcp.hpp"
 #include "asio/ip/udp.hpp"
 #include "asio/ip/unicast.hpp"
@@ -104,48 +107,40 @@
 #include "asio/posix/descriptor.hpp"
 #include "asio/posix/descriptor_base.hpp"
 #include "asio/posix/stream_descriptor.hpp"
-#include "asio/posix/stream_descriptor_service.hpp"
 #include "asio/post.hpp"
-#include "asio/raw_socket_service.hpp"
 #include "asio/read.hpp"
 #include "asio/read_at.hpp"
 #include "asio/read_until.hpp"
-#include "asio/seq_packet_socket_service.hpp"
+#include "asio/redirect_error.hpp"
 #include "asio/serial_port.hpp"
 #include "asio/serial_port_base.hpp"
-#include "asio/serial_port_service.hpp"
 #include "asio/signal_set.hpp"
-#include "asio/signal_set_service.hpp"
-#include "asio/socket_acceptor_service.hpp"
 #include "asio/socket_base.hpp"
 #include "asio/steady_timer.hpp"
 #include "asio/strand.hpp"
-#include "asio/stream_socket_service.hpp"
 #include "asio/streambuf.hpp"
 #include "asio/system_context.hpp"
 #include "asio/system_error.hpp"
 #include "asio/system_executor.hpp"
 #include "asio/system_timer.hpp"
+#include "asio/this_coro.hpp"
 #include "asio/thread.hpp"
 #include "asio/thread_pool.hpp"
 #include "asio/time_traits.hpp"
+#include "asio/use_awaitable.hpp"
 #include "asio/use_future.hpp"
 #include "asio/uses_executor.hpp"
 #include "asio/version.hpp"
 #include "asio/wait_traits.hpp"
-#include "asio/waitable_timer_service.hpp"
-#include "asio/windows/basic_handle.hpp"
 #include "asio/windows/basic_object_handle.hpp"
+#include "asio/windows/basic_overlapped_handle.hpp"
 #include "asio/windows/basic_random_access_handle.hpp"
 #include "asio/windows/basic_stream_handle.hpp"
 #include "asio/windows/object_handle.hpp"
-#include "asio/windows/object_handle_service.hpp"
 #include "asio/windows/overlapped_handle.hpp"
 #include "asio/windows/overlapped_ptr.hpp"
 #include "asio/windows/random_access_handle.hpp"
-#include "asio/windows/random_access_handle_service.hpp"
 #include "asio/windows/stream_handle.hpp"
-#include "asio/windows/stream_handle_service.hpp"
 #include "asio/write.hpp"
 #include "asio/write_at.hpp"
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/associated_allocator.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/associated_allocator.hpp
index e2b70b5..02d6538 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/associated_allocator.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/associated_allocator.hpp
@@ -2,7 +2,7 @@
 // associated_allocator.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/associated_executor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/associated_executor.hpp
index 6e3fef5..7fe6af5 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/associated_executor.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/associated_executor.hpp
@@ -2,7 +2,7 @@
 // associated_executor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/async_result.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/async_result.hpp
index f218de7..6113c59 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/async_result.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/async_result.hpp
@@ -2,7 +2,7 @@
 // async_result.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -17,7 +17,7 @@
 
 #include "asio/detail/config.hpp"
 #include "asio/detail/type_traits.hpp"
-#include "asio/handler_type.hpp"
+#include "asio/detail/variadic_templates.hpp"
 
 #include "asio/detail/push_options.hpp"
 
@@ -41,30 +41,15 @@ namespace asio {
  * The primary template assumes that the CompletionToken is the completion
  * handler.
  */
-#if defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
 template <typename CompletionToken, typename Signature>
-#else // defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
-template <typename CompletionToken, typename Signature = void>
-#endif // defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
 class async_result
 {
 public:
-#if defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
   /// The concrete completion handler type for the specific signature.
   typedef CompletionToken completion_handler_type;
 
   /// The return type of the initiating function.
   typedef void return_type;
-#else // defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
-  // For backward compatibility, determine the concrete completion handler type
-  // by using the legacy handler_type trait.
-  typedef typename handler_type<CompletionToken, Signature>::type
-    completion_handler_type;
-
-  // For backward compatibility, determine the initiating function return type
-  // using the legacy single-parameter version of async_result.
-  typedef typename async_result<completion_handler_type>::type return_type;
-#endif // defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
 
   /// Construct an async result from a given handler.
   /**
@@ -73,11 +58,6 @@ public:
    * then returned from the initiating function.
    */
   explicit async_result(completion_handler_type& h)
-#if defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
-    // No data members to initialise.
-#else // defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
-    : legacy_result_(h)
-#endif // defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
   {
     (void)h;
   }
@@ -85,56 +65,60 @@ public:
   /// Obtain the value to be returned from the initiating function.
   return_type get()
   {
-#if defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
-    // Nothing to do.
-#else // defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
-    return legacy_result_.get();
-#endif // defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
   }
 
+#if defined(ASIO_HAS_VARIADIC_TEMPLATES) \
+  || defined(GENERATING_DOCUMENTATION)
+
+  /// Initiate the asynchronous operation that will produce the result, and
+  /// obtain the value to be returned from the initiating function.
+  template <typename Initiation, typename RawCompletionToken, typename... Args>
+  static return_type initiate(
+      ASIO_MOVE_ARG(Initiation) initiation,
+      ASIO_MOVE_ARG(RawCompletionToken) token,
+      ASIO_MOVE_ARG(Args)... args)
+  {
+    ASIO_MOVE_CAST(Initiation)(initiation)(
+        ASIO_MOVE_CAST(RawCompletionToken)(token),
+        ASIO_MOVE_CAST(Args)(args)...);
+  }
+
+#else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+      //   || defined(GENERATING_DOCUMENTATION)
+
+  template <typename Initiation, typename RawCompletionToken>
+  static return_type initiate(
+      ASIO_MOVE_ARG(Initiation) initiation,
+      ASIO_MOVE_ARG(RawCompletionToken) token)
+  {
+    ASIO_MOVE_CAST(Initiation)(initiation)(
+        ASIO_MOVE_CAST(RawCompletionToken)(token));
+  }
+
+#define ASIO_PRIVATE_INITIATE_DEF(n) \
+  template <typename Initiation, typename RawCompletionToken, \
+      ASIO_VARIADIC_TPARAMS(n)> \
+  static return_type initiate( \
+      ASIO_MOVE_ARG(Initiation) initiation, \
+      ASIO_MOVE_ARG(RawCompletionToken) token, \
+      ASIO_VARIADIC_MOVE_PARAMS(n)) \
+  { \
+    ASIO_MOVE_CAST(Initiation)(initiation)( \
+        ASIO_MOVE_CAST(RawCompletionToken)(token), \
+        ASIO_VARIADIC_MOVE_ARGS(n)); \
+  } \
+  /**/
+  ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_INITIATE_DEF)
+#undef ASIO_PRIVATE_INITIATE_DEF
+
+#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+       //   || defined(GENERATING_DOCUMENTATION)
+
 private:
   async_result(const async_result&) ASIO_DELETED;
   async_result& operator=(const async_result&) ASIO_DELETED;
-
-#if defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
-  // No data members.
-#else // defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
-  async_result<completion_handler_type> legacy_result_;
-#endif // defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
 };
 
-#if !defined(ASIO_NO_DEPRECATED)
-
-/// (Deprecated: Use two-parameter version of async_result.) An interface for
-/// customising the behaviour of an initiating function.
-/**
- * This template may be specialised for user-defined handler types.
- */
-template <typename Handler>
-class async_result<Handler>
-{
-public:
-  /// The return type of the initiating function.
-  typedef void type;
-
-  /// Construct an async result from a given handler.
-  /**
-   * When using a specalised async_result, the constructor has an opportunity
-   * to initialise some state associated with the handler, which is then
-   * returned from the initiating function.
-   */
-  explicit async_result(Handler&)
-  {
-  }
-
-  /// Obtain the value to be returned from the initiating function.
-  type get()
-  {
-  }
-};
-
-#endif // !defined(ASIO_NO_DEPRECATED)
-
 /// Helper template to deduce the handler type from a CompletionToken, capture
 /// a local copy of the handler, and then create an async_result for the
 /// handler.
@@ -194,10 +178,40 @@ struct async_result_helper
 {
 };
 
-} // namespace detail
-} // namespace asio
+struct async_result_memfns_base
+{
+  void initiate();
+};
 
-#include "asio/detail/pop_options.hpp"
+template <typename T>
+struct async_result_memfns_derived
+  : T, async_result_memfns_base
+{
+};
+
+template <typename T, T>
+struct async_result_memfns_check
+{
+};
+
+template <typename>
+char (&async_result_initiate_memfn_helper(...))[2];
+
+template <typename T>
+char async_result_initiate_memfn_helper(
+    async_result_memfns_check<
+      void (async_result_memfns_base::*)(),
+      &async_result_memfns_derived<T>::initiate>*);
+
+template <typename CompletionToken, typename Signature>
+struct async_result_has_initiate_memfn
+  : integral_constant<bool, sizeof(async_result_initiate_memfn_helper<
+      async_result<typename decay<CompletionToken>::type, Signature>
+    >(0)) != 1>
+{
+};
+
+} // namespace detail
 
 #if defined(GENERATING_DOCUMENTATION)
 # define ASIO_INITFN_RESULT_TYPE(ct, sig) \
@@ -218,4 +232,125 @@ struct async_result_helper
     typename ::asio::decay<ct>::type, sig>::completion_handler_type
 #endif
 
+#if defined(GENERATING_DOCUMENTATION)
+
+template <typename CompletionToken, typename Signature,
+    typename Initiation, typename... Args>
+ASIO_INITFN_RESULT_TYPE(CompletionToken, Signature)
+async_initiate(ASIO_MOVE_ARG(Initiation) initiation,
+    ASIO_NONDEDUCED_MOVE_ARG(CompletionToken),
+    ASIO_MOVE_ARG(Args)... args);
+
+#elif defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+template <typename CompletionToken, typename Signature,
+    typename Initiation, typename... Args>
+inline typename enable_if<
+    detail::async_result_has_initiate_memfn<CompletionToken, Signature>::value,
+    ASIO_INITFN_RESULT_TYPE(CompletionToken, Signature)>::type
+async_initiate(ASIO_MOVE_ARG(Initiation) initiation,
+    ASIO_NONDEDUCED_MOVE_ARG(CompletionToken) token,
+    ASIO_MOVE_ARG(Args)... args)
+{
+  return async_result<typename decay<CompletionToken>::type,
+    Signature>::initiate(ASIO_MOVE_CAST(Initiation)(initiation),
+      ASIO_MOVE_CAST(CompletionToken)(token),
+      ASIO_MOVE_CAST(Args)(args)...);
+}
+
+template <typename CompletionToken, typename Signature,
+    typename Initiation, typename... Args>
+inline typename enable_if<
+    !detail::async_result_has_initiate_memfn<CompletionToken, Signature>::value,
+    ASIO_INITFN_RESULT_TYPE(CompletionToken, Signature)>::type
+async_initiate(ASIO_MOVE_ARG(Initiation) initiation,
+    ASIO_NONDEDUCED_MOVE_ARG(CompletionToken) token,
+    ASIO_MOVE_ARG(Args)... args)
+{
+  async_completion<CompletionToken, Signature> completion(token);
+
+  ASIO_MOVE_CAST(Initiation)(initiation)(
+      ASIO_MOVE_CAST(ASIO_HANDLER_TYPE(CompletionToken,
+        Signature))(completion.completion_handler),
+      ASIO_MOVE_CAST(Args)(args)...);
+
+  return completion.result.get();
+}
+
+#else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+template <typename CompletionToken, typename Signature, typename Initiation>
+inline typename enable_if<
+    detail::async_result_has_initiate_memfn<CompletionToken, Signature>::value,
+    ASIO_INITFN_RESULT_TYPE(CompletionToken, Signature)>::type
+async_initiate(ASIO_MOVE_ARG(Initiation) initiation,
+    ASIO_NONDEDUCED_MOVE_ARG(CompletionToken) token)
+{
+  return async_result<typename decay<CompletionToken>::type,
+    Signature>::initiate(ASIO_MOVE_CAST(Initiation)(initiation),
+      ASIO_MOVE_CAST(CompletionToken)(token));
+}
+
+template <typename CompletionToken, typename Signature, typename Initiation>
+inline typename enable_if<
+    !detail::async_result_has_initiate_memfn<CompletionToken, Signature>::value,
+    ASIO_INITFN_RESULT_TYPE(CompletionToken, Signature)>::type
+async_initiate(ASIO_MOVE_ARG(Initiation) initiation,
+    ASIO_NONDEDUCED_MOVE_ARG(CompletionToken) token)
+{
+  async_completion<CompletionToken, Signature> completion(token);
+
+  ASIO_MOVE_CAST(Initiation)(initiation)(
+      ASIO_MOVE_CAST(ASIO_HANDLER_TYPE(CompletionToken,
+        Signature))(completion.completion_handler));
+
+  return completion.result.get();
+}
+
+#define ASIO_PRIVATE_INITIATE_DEF(n) \
+  template <typename CompletionToken, typename Signature, \
+      typename Initiation, ASIO_VARIADIC_TPARAMS(n)> \
+  inline typename enable_if< \
+      detail::async_result_has_initiate_memfn< \
+        CompletionToken, Signature>::value, \
+      ASIO_INITFN_RESULT_TYPE(CompletionToken, Signature)>::type \
+  async_initiate(ASIO_MOVE_ARG(Initiation) initiation, \
+      ASIO_NONDEDUCED_MOVE_ARG(CompletionToken) token, \
+      ASIO_VARIADIC_MOVE_PARAMS(n)) \
+  { \
+    return async_result<typename decay<CompletionToken>::type, \
+      Signature>::initiate(ASIO_MOVE_CAST(Initiation)(initiation), \
+        ASIO_MOVE_CAST(CompletionToken)(token), \
+        ASIO_VARIADIC_MOVE_ARGS(n)); \
+  } \
+  \
+  template <typename CompletionToken, typename Signature, \
+      typename Initiation, ASIO_VARIADIC_TPARAMS(n)> \
+  inline typename enable_if< \
+      !detail::async_result_has_initiate_memfn< \
+        CompletionToken, Signature>::value, \
+      ASIO_INITFN_RESULT_TYPE(CompletionToken, Signature)>::type \
+  async_initiate(ASIO_MOVE_ARG(Initiation) initiation, \
+      ASIO_NONDEDUCED_MOVE_ARG(CompletionToken) token, \
+      ASIO_VARIADIC_MOVE_PARAMS(n)) \
+  { \
+    async_completion<CompletionToken, Signature> completion(token); \
+  \
+    ASIO_MOVE_CAST(Initiation)(initiation)( \
+        ASIO_MOVE_CAST(ASIO_HANDLER_TYPE(CompletionToken, \
+          Signature))(completion.completion_handler), \
+        ASIO_VARIADIC_MOVE_ARGS(n)); \
+  \
+    return completion.result.get(); \
+  } \
+  /**/
+  ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_INITIATE_DEF)
+#undef ASIO_PRIVATE_INITIATE_DEF
+
+#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
 #endif // ASIO_ASYNC_RESULT_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/awaitable.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/awaitable.hpp
new file mode 100644
index 0000000..890fb67
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/awaitable.hpp
@@ -0,0 +1,123 @@
+//
+// awaitable.hpp
+// ~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_AWAITABLE_HPP
+#define ASIO_AWAITABLE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+
+#if defined(ASIO_HAS_CO_AWAIT) || defined(GENERATING_DOCUMENTATION)
+
+#include <experimental/coroutine>
+#include "asio/executor.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace detail {
+
+using std::experimental::coroutine_handle;
+using std::experimental::suspend_always;
+
+template <typename> class awaitable_thread;
+template <typename, typename> class awaitable_frame;
+
+} // namespace detail
+
+/// The return type of a coroutine or asynchronous operation.
+template <typename T, typename Executor = executor>
+class awaitable
+{
+public:
+  /// The type of the awaited value.
+  typedef T value_type;
+
+  /// The executor type that will be used for the coroutine.
+  typedef Executor executor_type;
+
+  /// Default constructor.
+  constexpr awaitable() noexcept
+    : frame_(nullptr)
+  {
+  }
+
+  /// Move constructor.
+  awaitable(awaitable&& other) noexcept
+    : frame_(std::exchange(other.frame_, nullptr))
+  {
+  }
+
+  /// Destructor
+  ~awaitable()
+  {
+    if (frame_)
+      frame_->destroy();
+  }
+
+  /// Checks if the awaitable refers to a future result.
+  bool valid() const noexcept
+  {
+    return !!frame_;
+  }
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+  // Support for co_await keyword.
+  bool await_ready() const noexcept
+  {
+    return false;
+  }
+
+  // Support for co_await keyword.
+  template <class U>
+  void await_suspend(
+      detail::coroutine_handle<detail::awaitable_frame<U, Executor>> h)
+  {
+    frame_->push_frame(&h.promise());
+  }
+
+  // Support for co_await keyword.
+  T await_resume()
+  {
+    return frame_->get();
+  }
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+private:
+  template <typename> friend class detail::awaitable_thread;
+  template <typename, typename> friend class detail::awaitable_frame;
+
+  // Not copy constructible or copy assignable.
+  awaitable(const awaitable&) = delete;
+  awaitable& operator=(const awaitable&) = delete;
+
+  // Construct the awaitable from a coroutine's frame object.
+  explicit awaitable(detail::awaitable_frame<T, Executor>* a)
+    : frame_(a)
+  {
+  }
+
+  detail::awaitable_frame<T, Executor>* frame_;
+};
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/impl/awaitable.hpp"
+
+#endif // defined(ASIO_HAS_CO_AWAIT) || defined(GENERATING_DOCUMENTATION)
+
+#endif // ASIO_AWAITABLE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_datagram_socket.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_datagram_socket.hpp
index cd5ef2e..bbd4885 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_datagram_socket.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_datagram_socket.hpp
@@ -2,7 +2,7 @@
 // basic_datagram_socket.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -19,18 +19,24 @@
 #include <cstddef>
 #include "asio/basic_socket.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
 #include "asio/detail/throw_error.hpp"
 #include "asio/detail/type_traits.hpp"
 #include "asio/error.hpp"
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/datagram_socket_service.hpp"
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
 
+#if !defined(ASIO_BASIC_DATAGRAM_SOCKET_FWD_DECL)
+#define ASIO_BASIC_DATAGRAM_SOCKET_FWD_DECL
+
+// Forward declaration with defaulted arguments.
+template <typename Protocol, typename Executor = executor>
+class basic_datagram_socket;
+
+#endif // !defined(ASIO_BASIC_DATAGRAM_SOCKET_FWD_DECL)
+
 /// Provides datagram-oriented socket functionality.
 /**
  * The basic_datagram_socket class template provides asynchronous and blocking
@@ -40,18 +46,28 @@ namespace asio {
  * @e Distinct @e objects: Safe.@n
  * @e Shared @e objects: Unsafe.
  */
-template <typename Protocol
-    ASIO_SVC_TPARAM_DEF1(= datagram_socket_service<Protocol>)>
+template <typename Protocol, typename Executor>
 class basic_datagram_socket
-  : public basic_socket<Protocol ASIO_SVC_TARG>
+  : public basic_socket<Protocol, Executor>
 {
 public:
+  /// The type of the executor associated with the object.
+  typedef Executor executor_type;
+
+  /// Rebinds the socket type to another executor.
+  template <typename Executor1>
+  struct rebind_executor
+  {
+    /// The socket type when rebound to the specified executor.
+    typedef basic_datagram_socket<Protocol, Executor1> other;
+  };
+
   /// The native representation of a socket.
 #if defined(GENERATING_DOCUMENTATION)
   typedef implementation_defined native_handle_type;
 #else
-  typedef typename basic_socket<
-    Protocol ASIO_SVC_TARG>::native_handle_type native_handle_type;
+  typedef typename basic_socket<Protocol,
+    Executor>::native_handle_type native_handle_type;
 #endif
 
   /// The protocol type.
@@ -65,12 +81,29 @@ public:
    * This constructor creates a datagram socket without opening it. The open()
    * function must be called before data can be sent or received on the socket.
    *
-   * @param io_context The io_context object that the datagram socket will use
-   * to dispatch handlers for any asynchronous operations performed on the
-   * socket.
+   * @param ex The I/O executor that the socket will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the socket.
    */
-  explicit basic_datagram_socket(asio::io_context& io_context)
-    : basic_socket<Protocol ASIO_SVC_TARG>(io_context)
+  explicit basic_datagram_socket(const executor_type& ex)
+    : basic_socket<Protocol, Executor>(ex)
+  {
+  }
+
+  /// Construct a basic_datagram_socket without opening it.
+  /**
+   * This constructor creates a datagram socket without opening it. The open()
+   * function must be called before data can be sent or received on the socket.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   */
+  template <typename ExecutionContext>
+  explicit basic_datagram_socket(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context)
   {
   }
 
@@ -78,17 +111,37 @@ public:
   /**
    * This constructor creates and opens a datagram socket.
    *
-   * @param io_context The io_context object that the datagram socket will use
-   * to dispatch handlers for any asynchronous operations performed on the
-   * socket.
+   * @param ex The I/O executor that the socket will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param protocol An object specifying protocol parameters to be used.
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_datagram_socket(asio::io_context& io_context,
-      const protocol_type& protocol)
-    : basic_socket<Protocol ASIO_SVC_TARG>(io_context, protocol)
+  basic_datagram_socket(const executor_type& ex, const protocol_type& protocol)
+    : basic_socket<Protocol, Executor>(ex, protocol)
+  {
+  }
+
+  /// Construct and open a basic_datagram_socket.
+  /**
+   * This constructor creates and opens a datagram socket.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_datagram_socket(ExecutionContext& context,
+      const protocol_type& protocol,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context, protocol)
   {
   }
 
@@ -99,18 +152,42 @@ public:
    * to the specified endpoint on the local machine. The protocol used is the
    * protocol associated with the given endpoint.
    *
-   * @param io_context The io_context object that the datagram socket will use
-   * to dispatch handlers for any asynchronous operations performed on the
-   * socket.
+   * @param ex The I/O executor that the socket will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param endpoint An endpoint on the local machine to which the datagram
    * socket will be bound.
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_datagram_socket(asio::io_context& io_context,
-      const endpoint_type& endpoint)
-    : basic_socket<Protocol ASIO_SVC_TARG>(io_context, endpoint)
+  basic_datagram_socket(const executor_type& ex, const endpoint_type& endpoint)
+    : basic_socket<Protocol, Executor>(ex, endpoint)
+  {
+  }
+
+  /// Construct a basic_datagram_socket, opening it and binding it to the given
+  /// local endpoint.
+  /**
+   * This constructor creates a datagram socket and automatically opens it bound
+   * to the specified endpoint on the local machine. The protocol used is the
+   * protocol associated with the given endpoint.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param endpoint An endpoint on the local machine to which the datagram
+   * socket will be bound.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_datagram_socket(ExecutionContext& context,
+      const endpoint_type& endpoint,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context, endpoint)
   {
   }
 
@@ -119,9 +196,8 @@ public:
    * This constructor creates a datagram socket object to hold an existing
    * native socket.
    *
-   * @param io_context The io_context object that the datagram socket will use
-   * to dispatch handlers for any asynchronous operations performed on the
-   * socket.
+   * @param ex The I/O executor that the socket will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param protocol An object specifying protocol parameters to be used.
    *
@@ -129,10 +205,34 @@ public:
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_datagram_socket(asio::io_context& io_context,
+  basic_datagram_socket(const executor_type& ex,
       const protocol_type& protocol, const native_handle_type& native_socket)
-    : basic_socket<Protocol ASIO_SVC_TARG>(
-        io_context, protocol, native_socket)
+    : basic_socket<Protocol, Executor>(ex, protocol, native_socket)
+  {
+  }
+
+  /// Construct a basic_datagram_socket on an existing native socket.
+  /**
+   * This constructor creates a datagram socket object to hold an existing
+   * native socket.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @param native_socket The new underlying socket implementation.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_datagram_socket(ExecutionContext& context,
+      const protocol_type& protocol, const native_handle_type& native_socket,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context, protocol, native_socket)
   {
   }
 
@@ -145,10 +245,11 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_datagram_socket(io_context&) constructor.
+   * constructed using the @c basic_datagram_socket(const executor_type&)
+   * constructor.
    */
   basic_datagram_socket(basic_datagram_socket&& other)
-    : basic_socket<Protocol ASIO_SVC_TARG>(std::move(other))
+    : basic_socket<Protocol, Executor>(std::move(other))
   {
   }
 
@@ -161,11 +262,12 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_datagram_socket(io_context&) constructor.
+   * constructed using the @c basic_datagram_socket(const executor_type&)
+   * constructor.
    */
   basic_datagram_socket& operator=(basic_datagram_socket&& other)
   {
-    basic_socket<Protocol ASIO_SVC_TARG>::operator=(std::move(other));
+    basic_socket<Protocol, Executor>::operator=(std::move(other));
     return *this;
   }
 
@@ -178,13 +280,16 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_datagram_socket(io_context&) constructor.
+   * constructed using the @c basic_datagram_socket(const executor_type&)
+   * constructor.
    */
-  template <typename Protocol1 ASIO_SVC_TPARAM1>
-  basic_datagram_socket(
-      basic_datagram_socket<Protocol1 ASIO_SVC_TARG1>&& other,
-      typename enable_if<is_convertible<Protocol1, Protocol>::value>::type* = 0)
-    : basic_socket<Protocol ASIO_SVC_TARG>(std::move(other))
+  template <typename Protocol1, typename Executor1>
+  basic_datagram_socket(basic_datagram_socket<Protocol1, Executor1>&& other,
+      typename enable_if<
+        is_convertible<Protocol1, Protocol>::value
+          && is_convertible<Executor1, Executor>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(std::move(other))
   {
   }
 
@@ -198,14 +303,17 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_datagram_socket(io_context&) constructor.
+   * constructed using the @c basic_datagram_socket(const executor_type&)
+   * constructor.
    */
-  template <typename Protocol1 ASIO_SVC_TPARAM1>
-  typename enable_if<is_convertible<Protocol1, Protocol>::value,
-      basic_datagram_socket>::type& operator=(
-        basic_datagram_socket<Protocol1 ASIO_SVC_TARG1>&& other)
+  template <typename Protocol1, typename Executor1>
+  typename enable_if<
+    is_convertible<Protocol1, Protocol>::value
+      && is_convertible<Executor1, Executor>::value,
+    basic_datagram_socket&
+  >::type operator=(basic_datagram_socket<Protocol1, Executor1>&& other)
   {
-    basic_socket<Protocol ASIO_SVC_TARG>::operator=(std::move(other));
+    basic_socket<Protocol, Executor>::operator=(std::move(other));
     return *this;
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
@@ -245,8 +353,8 @@ public:
   std::size_t send(const ConstBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().send(
-        this->get_implementation(), buffers, 0, ec);
+    std::size_t s = this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, 0, ec);
     asio::detail::throw_error(ec, "send");
     return s;
   }
@@ -273,8 +381,8 @@ public:
       socket_base::message_flags flags)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().send(
-        this->get_implementation(), buffers, flags, ec);
+    std::size_t s = this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, flags, ec);
     asio::detail::throw_error(ec, "send");
     return s;
   }
@@ -300,8 +408,8 @@ public:
   std::size_t send(const ConstBufferSequence& buffers,
       socket_base::message_flags flags, asio::error_code& ec)
   {
-    return this->get_service().send(
-        this->get_implementation(), buffers, flags, ec);
+    return this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, flags, ec);
   }
 
   /// Start an asynchronous send on a connected socket.
@@ -322,9 +430,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes sent.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The async_send operation can only be used with a connected socket.
    * Use the async_send_to function to send data on an unconnected datagram
@@ -345,22 +453,10 @@ public:
   async_send(const ConstBufferSequence& buffers,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_send(this->get_implementation(),
-        buffers, 0, ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_send(this->get_implementation(),
-        buffers, 0, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_send(), handler, this,
+        buffers, socket_base::message_flags(0));
   }
 
   /// Start an asynchronous send on a connected socket.
@@ -383,9 +479,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes sent.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The async_send operation can only be used with a connected socket.
    * Use the async_send_to function to send data on an unconnected datagram
@@ -398,22 +494,9 @@ public:
       socket_base::message_flags flags,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_send(this->get_implementation(),
-        buffers, flags, ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_send(this->get_implementation(),
-        buffers, flags, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_send(), handler, this, buffers, flags);
   }
 
   /// Send a datagram to the specified endpoint.
@@ -446,8 +529,8 @@ public:
       const endpoint_type& destination)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().send_to(
-        this->get_implementation(), buffers, destination, 0, ec);
+    std::size_t s = this->impl_.get_service().send_to(
+        this->impl_.get_implementation(), buffers, destination, 0, ec);
     asio::detail::throw_error(ec, "send_to");
     return s;
   }
@@ -473,8 +556,8 @@ public:
       const endpoint_type& destination, socket_base::message_flags flags)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().send_to(
-        this->get_implementation(), buffers, destination, flags, ec);
+    std::size_t s = this->impl_.get_service().send_to(
+        this->impl_.get_implementation(), buffers, destination, flags, ec);
     asio::detail::throw_error(ec, "send_to");
     return s;
   }
@@ -500,7 +583,7 @@ public:
       const endpoint_type& destination, socket_base::message_flags flags,
       asio::error_code& ec)
   {
-    return this->get_service().send_to(this->get_implementation(),
+    return this->impl_.get_service().send_to(this->impl_.get_implementation(),
         buffers, destination, flags, ec);
   }
 
@@ -525,9 +608,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes sent.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @par Example
    * To send a single data buffer use the @ref buffer function as follows:
@@ -548,24 +631,10 @@ public:
       const endpoint_type& destination,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_send_to(
-        this->get_implementation(), buffers, destination, 0,
-        ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_send_to(
-        this->get_implementation(), buffers, destination, 0,
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_send_to(), handler, this, buffers,
+        destination, socket_base::message_flags(0));
   }
 
   /// Start an asynchronous send.
@@ -591,9 +660,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes sent.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    */
   template <typename ConstBufferSequence, typename WriteHandler>
   ASIO_INITFN_RESULT_TYPE(WriteHandler,
@@ -602,24 +671,9 @@ public:
       const endpoint_type& destination, socket_base::message_flags flags,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_send_to(
-        this->get_implementation(), buffers, destination, flags,
-        ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_send_to(
-        this->get_implementation(), buffers, destination, flags,
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_send_to(), handler, this, buffers, destination, flags);
   }
 
   /// Receive some data on a connected socket.
@@ -650,8 +704,8 @@ public:
   std::size_t receive(const MutableBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().receive(
-        this->get_implementation(), buffers, 0, ec);
+    std::size_t s = this->impl_.get_service().receive(
+        this->impl_.get_implementation(), buffers, 0, ec);
     asio::detail::throw_error(ec, "receive");
     return s;
   }
@@ -679,8 +733,8 @@ public:
       socket_base::message_flags flags)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().receive(
-        this->get_implementation(), buffers, flags, ec);
+    std::size_t s = this->impl_.get_service().receive(
+        this->impl_.get_implementation(), buffers, flags, ec);
     asio::detail::throw_error(ec, "receive");
     return s;
   }
@@ -707,8 +761,8 @@ public:
   std::size_t receive(const MutableBufferSequence& buffers,
       socket_base::message_flags flags, asio::error_code& ec)
   {
-    return this->get_service().receive(
-        this->get_implementation(), buffers, flags, ec);
+    return this->impl_.get_service().receive(
+        this->impl_.get_implementation(), buffers, flags, ec);
   }
 
   /// Start an asynchronous receive on a connected socket.
@@ -729,9 +783,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes received.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The async_receive operation can only be used with a connected socket.
    * Use the async_receive_from function to receive data on an unconnected
@@ -753,22 +807,10 @@ public:
   async_receive(const MutableBufferSequence& buffers,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive(this->get_implementation(),
-        buffers, 0, ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive(this->get_implementation(),
-        buffers, 0, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive(), handler, this,
+        buffers, socket_base::message_flags(0));
   }
 
   /// Start an asynchronous receive on a connected socket.
@@ -791,9 +833,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes received.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The async_receive operation can only be used with a connected socket.
    * Use the async_receive_from function to receive data on an unconnected
@@ -806,22 +848,9 @@ public:
       socket_base::message_flags flags,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive(this->get_implementation(),
-        buffers, flags, ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive(this->get_implementation(),
-        buffers, flags, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive(), handler, this, buffers, flags);
   }
 
   /// Receive a datagram with the endpoint of the sender.
@@ -855,8 +884,8 @@ public:
       endpoint_type& sender_endpoint)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().receive_from(
-        this->get_implementation(), buffers, sender_endpoint, 0, ec);
+    std::size_t s = this->impl_.get_service().receive_from(
+        this->impl_.get_implementation(), buffers, sender_endpoint, 0, ec);
     asio::detail::throw_error(ec, "receive_from");
     return s;
   }
@@ -882,8 +911,8 @@ public:
       endpoint_type& sender_endpoint, socket_base::message_flags flags)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().receive_from(
-        this->get_implementation(), buffers, sender_endpoint, flags, ec);
+    std::size_t s = this->impl_.get_service().receive_from(
+        this->impl_.get_implementation(), buffers, sender_endpoint, flags, ec);
     asio::detail::throw_error(ec, "receive_from");
     return s;
   }
@@ -909,8 +938,8 @@ public:
       endpoint_type& sender_endpoint, socket_base::message_flags flags,
       asio::error_code& ec)
   {
-    return this->get_service().receive_from(this->get_implementation(),
-        buffers, sender_endpoint, flags, ec);
+    return this->impl_.get_service().receive_from(
+        this->impl_.get_implementation(), buffers, sender_endpoint, flags, ec);
   }
 
   /// Start an asynchronous receive.
@@ -936,9 +965,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes received.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @par Example
    * To receive into a single data buffer use the @ref buffer function as
@@ -956,24 +985,10 @@ public:
       endpoint_type& sender_endpoint,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive_from(
-        this->get_implementation(), buffers, sender_endpoint, 0,
-        ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive_from(
-        this->get_implementation(), buffers, sender_endpoint, 0,
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive_from(), handler, this, buffers,
+        &sender_endpoint, socket_base::message_flags(0));
   }
 
   /// Start an asynchronous receive.
@@ -1001,9 +1016,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes received.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    */
   template <typename MutableBufferSequence, typename ReadHandler>
   ASIO_INITFN_RESULT_TYPE(ReadHandler,
@@ -1012,25 +1027,85 @@ public:
       endpoint_type& sender_endpoint, socket_base::message_flags flags,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive_from(
-        this->get_implementation(), buffers, sender_endpoint, flags,
-        ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive_from(
-        this->get_implementation(), buffers, sender_endpoint, flags,
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive_from(), handler,
+        this, buffers, &sender_endpoint, flags);
   }
+
+private:
+  struct initiate_async_send
+  {
+    template <typename WriteHandler, typename ConstBufferSequence>
+    void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
+        basic_datagram_socket* self, const ConstBufferSequence& buffers,
+        socket_base::message_flags flags) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WriteHandler.
+      ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
+
+      detail::non_const_lvalue<WriteHandler> handler2(handler);
+      self->impl_.get_service().async_send(
+          self->impl_.get_implementation(), buffers, flags,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
+
+  struct initiate_async_send_to
+  {
+    template <typename WriteHandler, typename ConstBufferSequence>
+    void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
+        basic_datagram_socket* self, const ConstBufferSequence& buffers,
+        const endpoint_type& destination,
+        socket_base::message_flags flags) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WriteHandler.
+      ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
+
+      detail::non_const_lvalue<WriteHandler> handler2(handler);
+      self->impl_.get_service().async_send_to(
+          self->impl_.get_implementation(), buffers, destination, flags,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
+
+  struct initiate_async_receive
+  {
+    template <typename ReadHandler, typename MutableBufferSequence>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        basic_datagram_socket* self, const MutableBufferSequence& buffers,
+        socket_base::message_flags flags) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      detail::non_const_lvalue<ReadHandler> handler2(handler);
+      self->impl_.get_service().async_receive(
+          self->impl_.get_implementation(), buffers, flags,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
+
+  struct initiate_async_receive_from
+  {
+    template <typename ReadHandler, typename MutableBufferSequence>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        basic_datagram_socket* self, const MutableBufferSequence& buffers,
+        endpoint_type* sender_endpoint, socket_base::message_flags flags) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      detail::non_const_lvalue<ReadHandler> handler2(handler);
+      self->impl_.get_service().async_receive_from(
+          self->impl_.get_implementation(), buffers, *sender_endpoint, flags,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
 };
 
 } // namespace asio
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_deadline_timer.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_deadline_timer.hpp
index 4e97cce..d8100a7 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_deadline_timer.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_deadline_timer.hpp
@@ -2,7 +2,7 @@
 // basic_deadline_timer.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -21,19 +21,16 @@
   || defined(GENERATING_DOCUMENTATION)
 
 #include <cstddef>
-#include "asio/basic_io_object.hpp"
+#include "asio/detail/deadline_timer_service.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/io_object_impl.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
 #include "asio/detail/throw_error.hpp"
 #include "asio/error.hpp"
+#include "asio/execution_context.hpp"
+#include "asio/executor.hpp"
 #include "asio/time_traits.hpp"
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/deadline_timer_service.hpp"
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/detail/deadline_timer_service.hpp"
-# define ASIO_SVC_T detail::deadline_timer_service<TimeTraits>
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
@@ -57,7 +54,7 @@ namespace asio {
  * Performing a blocking wait:
  * @code
  * // Construct a timer without setting an expiry time.
- * asio::deadline_timer timer(io_context);
+ * asio::deadline_timer timer(my_context);
  *
  * // Set an expiry time relative to now.
  * timer.expires_from_now(boost::posix_time::seconds(5));
@@ -80,7 +77,7 @@ namespace asio {
  * ...
  *
  * // Construct a timer with an absolute expiry time.
- * asio::deadline_timer timer(io_context,
+ * asio::deadline_timer timer(my_context,
  *     boost::posix_time::time_from_string("2005-12-07 23:59:59.000"));
  *
  * // Start an asynchronous wait.
@@ -127,14 +124,13 @@ namespace asio {
  * it contains the value asio::error::operation_aborted.
  */
 template <typename Time,
-    typename TimeTraits = asio::time_traits<Time>
-    ASIO_SVC_TPARAM_DEF2(= deadline_timer_service<Time, TimeTraits>)>
+    typename TimeTraits = asio::time_traits<Time>,
+    typename Executor = executor>
 class basic_deadline_timer
-  : ASIO_SVC_ACCESS basic_io_object<ASIO_SVC_T>
 {
 public:
   /// The type of the executor associated with the object.
-  typedef io_context::executor_type executor_type;
+  typedef Executor executor_type;
 
   /// The time traits type.
   typedef TimeTraits traits_type;
@@ -151,11 +147,30 @@ public:
    * expires_at() or expires_from_now() functions must be called to set an
    * expiry time before the timer can be waited on.
    *
-   * @param io_context The io_context object that the timer will use to dispatch
-   * handlers for any asynchronous operations performed on the timer.
+   * @param ex The I/O executor that the timer will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the timer.
    */
-  explicit basic_deadline_timer(asio::io_context& io_context)
-    : basic_io_object<ASIO_SVC_T>(io_context)
+  explicit basic_deadline_timer(const executor_type& ex)
+    : impl_(ex)
+  {
+  }
+
+  /// Constructor.
+  /**
+   * This constructor creates a timer without setting an expiry time. The
+   * expires_at() or expires_from_now() functions must be called to set an
+   * expiry time before the timer can be waited on.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the timer will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the timer.
+   */
+  template <typename ExecutionContext>
+  explicit basic_deadline_timer(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
   {
   }
 
@@ -163,18 +178,40 @@ public:
   /**
    * This constructor creates a timer and sets the expiry time.
    *
-   * @param io_context The io_context object that the timer will use to dispatch
-   * handlers for any asynchronous operations performed on the timer.
+   * @param ex The I/O executor that the timer will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the timer.
    *
    * @param expiry_time The expiry time to be used for the timer, expressed
    * as an absolute time.
    */
-  basic_deadline_timer(asio::io_context& io_context,
-      const time_type& expiry_time)
-    : basic_io_object<ASIO_SVC_T>(io_context)
+  basic_deadline_timer(const executor_type& ex, const time_type& expiry_time)
+    : impl_(ex)
   {
     asio::error_code ec;
-    this->get_service().expires_at(this->get_implementation(), expiry_time, ec);
+    impl_.get_service().expires_at(impl_.get_implementation(), expiry_time, ec);
+    asio::detail::throw_error(ec, "expires_at");
+  }
+
+  /// Constructor to set a particular expiry time as an absolute time.
+  /**
+   * This constructor creates a timer and sets the expiry time.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the timer will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the timer.
+   *
+   * @param expiry_time The expiry time to be used for the timer, expressed
+   * as an absolute time.
+   */
+  template <typename ExecutionContext>
+  basic_deadline_timer(ExecutionContext& context, const time_type& expiry_time,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    impl_.get_service().expires_at(impl_.get_implementation(), expiry_time, ec);
     asio::detail::throw_error(ec, "expires_at");
   }
 
@@ -182,19 +219,44 @@ public:
   /**
    * This constructor creates a timer and sets the expiry time.
    *
-   * @param io_context The io_context object that the timer will use to dispatch
-   * handlers for any asynchronous operations performed on the timer.
+   * @param ex The I/O executor that the timer will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the timer.
    *
    * @param expiry_time The expiry time to be used for the timer, relative to
    * now.
    */
-  basic_deadline_timer(asio::io_context& io_context,
+  basic_deadline_timer(const executor_type& ex,
       const duration_type& expiry_time)
-    : basic_io_object<ASIO_SVC_T>(io_context)
+    : impl_(ex)
   {
     asio::error_code ec;
-    this->get_service().expires_from_now(
-        this->get_implementation(), expiry_time, ec);
+    impl_.get_service().expires_from_now(
+        impl_.get_implementation(), expiry_time, ec);
+    asio::detail::throw_error(ec, "expires_from_now");
+  }
+
+  /// Constructor to set a particular expiry time relative to now.
+  /**
+   * This constructor creates a timer and sets the expiry time.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the timer will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the timer.
+   *
+   * @param expiry_time The expiry time to be used for the timer, relative to
+   * now.
+   */
+  template <typename ExecutionContext>
+  basic_deadline_timer(ExecutionContext& context,
+      const duration_type& expiry_time,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    impl_.get_service().expires_from_now(
+        impl_.get_implementation(), expiry_time, ec);
     asio::detail::throw_error(ec, "expires_from_now");
   }
 
@@ -207,10 +269,11 @@ public:
    * occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_deadline_timer(io_context&) constructor.
+   * constructed using the @c basic_deadline_timer(const executor_type&)
+   * constructor.
    */
   basic_deadline_timer(basic_deadline_timer&& other)
-    : basic_io_object<ASIO_SVC_T>(std::move(other))
+    : impl_(std::move(other.impl_))
   {
   }
 
@@ -223,11 +286,12 @@ public:
    * occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_deadline_timer(io_context&) constructor.
+   * constructed using the @c basic_deadline_timer(const executor_type&)
+   * constructor.
    */
   basic_deadline_timer& operator=(basic_deadline_timer&& other)
   {
-    basic_io_object<ASIO_SVC_T>::operator=(std::move(other));
+    impl_ = std::move(other.impl_);
     return *this;
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
@@ -241,45 +305,11 @@ public:
   {
   }
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-  // These functions are provided by basic_io_object<>.
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-#if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_context()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_context();
-  }
-
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_service()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_service();
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
   /// Get the executor associated with the object.
   executor_type get_executor() ASIO_NOEXCEPT
   {
-    return basic_io_object<ASIO_SVC_T>::get_executor();
+    return impl_.get_executor();
   }
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
 
   /// Cancel any asynchronous operations that are waiting on the timer.
   /**
@@ -306,7 +336,7 @@ public:
   std::size_t cancel()
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().cancel(this->get_implementation(), ec);
+    std::size_t s = impl_.get_service().cancel(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "cancel");
     return s;
   }
@@ -335,7 +365,7 @@ public:
    */
   std::size_t cancel(asio::error_code& ec)
   {
-    return this->get_service().cancel(this->get_implementation(), ec);
+    return impl_.get_service().cancel(impl_.get_implementation(), ec);
   }
 
   /// Cancels one asynchronous operation that is waiting on the timer.
@@ -365,8 +395,8 @@ public:
   std::size_t cancel_one()
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().cancel_one(
-        this->get_implementation(), ec);
+    std::size_t s = impl_.get_service().cancel_one(
+        impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "cancel_one");
     return s;
   }
@@ -397,7 +427,7 @@ public:
    */
   std::size_t cancel_one(asio::error_code& ec)
   {
-    return this->get_service().cancel_one(this->get_implementation(), ec);
+    return impl_.get_service().cancel_one(impl_.get_implementation(), ec);
   }
 
   /// Get the timer's expiry time as an absolute time.
@@ -407,7 +437,7 @@ public:
    */
   time_type expires_at() const
   {
-    return this->get_service().expires_at(this->get_implementation());
+    return impl_.get_service().expires_at(impl_.get_implementation());
   }
 
   /// Set the timer's expiry time as an absolute time.
@@ -435,8 +465,8 @@ public:
   std::size_t expires_at(const time_type& expiry_time)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().expires_at(
-        this->get_implementation(), expiry_time, ec);
+    std::size_t s = impl_.get_service().expires_at(
+        impl_.get_implementation(), expiry_time, ec);
     asio::detail::throw_error(ec, "expires_at");
     return s;
   }
@@ -466,8 +496,8 @@ public:
   std::size_t expires_at(const time_type& expiry_time,
       asio::error_code& ec)
   {
-    return this->get_service().expires_at(
-        this->get_implementation(), expiry_time, ec);
+    return impl_.get_service().expires_at(
+        impl_.get_implementation(), expiry_time, ec);
   }
 
   /// Get the timer's expiry time relative to now.
@@ -477,7 +507,7 @@ public:
    */
   duration_type expires_from_now() const
   {
-    return this->get_service().expires_from_now(this->get_implementation());
+    return impl_.get_service().expires_from_now(impl_.get_implementation());
   }
 
   /// Set the timer's expiry time relative to now.
@@ -505,8 +535,8 @@ public:
   std::size_t expires_from_now(const duration_type& expiry_time)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().expires_from_now(
-        this->get_implementation(), expiry_time, ec);
+    std::size_t s = impl_.get_service().expires_from_now(
+        impl_.get_implementation(), expiry_time, ec);
     asio::detail::throw_error(ec, "expires_from_now");
     return s;
   }
@@ -536,8 +566,8 @@ public:
   std::size_t expires_from_now(const duration_type& expiry_time,
       asio::error_code& ec)
   {
-    return this->get_service().expires_from_now(
-        this->get_implementation(), expiry_time, ec);
+    return impl_.get_service().expires_from_now(
+        impl_.get_implementation(), expiry_time, ec);
   }
 
   /// Perform a blocking wait on the timer.
@@ -550,7 +580,7 @@ public:
   void wait()
   {
     asio::error_code ec;
-    this->get_service().wait(this->get_implementation(), ec);
+    impl_.get_service().wait(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "wait");
   }
 
@@ -563,7 +593,7 @@ public:
    */
   void wait(asio::error_code& ec)
   {
-    this->get_service().wait(this->get_implementation(), ec);
+    impl_.get_service().wait(impl_.get_implementation(), ec);
   }
 
   /// Start an asynchronous wait on the timer.
@@ -586,42 +616,50 @@ public:
    *   const asio::error_code& error // Result of operation.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    */
   template <typename WaitHandler>
   ASIO_INITFN_RESULT_TYPE(WaitHandler,
       void (asio::error_code))
   async_wait(ASIO_MOVE_ARG(WaitHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WaitHandler.
-    ASIO_WAIT_HANDLER_CHECK(WaitHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_wait(this->get_implementation(),
-        ASIO_MOVE_CAST(WaitHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WaitHandler,
-      void (asio::error_code)> init(handler);
-
-    this->get_service().async_wait(this->get_implementation(),
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WaitHandler, void (asio::error_code)>(
+        initiate_async_wait(), handler, this);
   }
+
+private:
+  // Disallow copying and assignment.
+  basic_deadline_timer(const basic_deadline_timer&) ASIO_DELETED;
+  basic_deadline_timer& operator=(
+      const basic_deadline_timer&) ASIO_DELETED;
+
+  struct initiate_async_wait
+  {
+    template <typename WaitHandler>
+    void operator()(ASIO_MOVE_ARG(WaitHandler) handler,
+        basic_deadline_timer* self) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WaitHandler.
+      ASIO_WAIT_HANDLER_CHECK(WaitHandler, handler) type_check;
+
+      detail::non_const_lvalue<WaitHandler> handler2(handler);
+      self->impl_.get_service().async_wait(
+          self->impl_.get_implementation(), handler2.value,
+          self->impl_.get_implementation_executor());
+    }
+  };
+
+  detail::io_object_impl<
+    detail::deadline_timer_service<TimeTraits>, Executor> impl_;
 };
 
 } // namespace asio
 
 #include "asio/detail/pop_options.hpp"
 
-#if !defined(ASIO_ENABLE_OLD_SERVICES)
-# undef ASIO_SVC_T
-#endif // !defined(ASIO_ENABLE_OLD_SERVICES)
-
 #endif // defined(ASIO_HAS_BOOST_DATE_TIME)
        // || defined(GENERATING_DOCUMENTATION)
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_io_object.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_io_object.hpp
index 669427a..faf2003 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_io_object.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_io_object.hpp
@@ -2,7 +2,7 @@
 // basic_io_object.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_raw_socket.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_raw_socket.hpp
index ee9bcbf..1cc54f4 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_raw_socket.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_raw_socket.hpp
@@ -2,7 +2,7 @@
 // basic_raw_socket.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -19,18 +19,24 @@
 #include <cstddef>
 #include "asio/basic_socket.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
 #include "asio/detail/throw_error.hpp"
 #include "asio/detail/type_traits.hpp"
 #include "asio/error.hpp"
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/raw_socket_service.hpp"
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
 
+#if !defined(ASIO_BASIC_RAW_SOCKET_FWD_DECL)
+#define ASIO_BASIC_RAW_SOCKET_FWD_DECL
+
+// Forward declaration with defaulted arguments.
+template <typename Protocol, typename Executor = executor>
+class basic_raw_socket;
+
+#endif // !defined(ASIO_BASIC_RAW_SOCKET_FWD_DECL)
+
 /// Provides raw-oriented socket functionality.
 /**
  * The basic_raw_socket class template provides asynchronous and blocking
@@ -40,18 +46,28 @@ namespace asio {
  * @e Distinct @e objects: Safe.@n
  * @e Shared @e objects: Unsafe.
  */
-template <typename Protocol
-    ASIO_SVC_TPARAM_DEF1(= raw_socket_service<Protocol>)>
+template <typename Protocol, typename Executor>
 class basic_raw_socket
-  : public basic_socket<Protocol ASIO_SVC_TARG>
+  : public basic_socket<Protocol, Executor>
 {
 public:
+  /// The type of the executor associated with the object.
+  typedef Executor executor_type;
+
+  /// Rebinds the socket type to another executor.
+  template <typename Executor1>
+  struct rebind_executor
+  {
+    /// The socket type when rebound to the specified executor.
+    typedef basic_raw_socket<Protocol, Executor1> other;
+  };
+
   /// The native representation of a socket.
 #if defined(GENERATING_DOCUMENTATION)
   typedef implementation_defined native_handle_type;
 #else
-  typedef typename basic_socket<
-    Protocol ASIO_SVC_TARG>::native_handle_type native_handle_type;
+  typedef typename basic_socket<Protocol,
+    Executor>::native_handle_type native_handle_type;
 #endif
 
   /// The protocol type.
@@ -65,12 +81,29 @@ public:
    * This constructor creates a raw socket without opening it. The open()
    * function must be called before data can be sent or received on the socket.
    *
-   * @param io_context The io_context object that the raw socket will use
-   * to dispatch handlers for any asynchronous operations performed on the
-   * socket.
+   * @param ex The I/O executor that the socket will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the socket.
    */
-  explicit basic_raw_socket(asio::io_context& io_context)
-    : basic_socket<Protocol ASIO_SVC_TARG>(io_context)
+  explicit basic_raw_socket(const executor_type& ex)
+    : basic_socket<Protocol, Executor>(ex)
+  {
+  }
+
+  /// Construct a basic_raw_socket without opening it.
+  /**
+   * This constructor creates a raw socket without opening it. The open()
+   * function must be called before data can be sent or received on the socket.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   */
+  template <typename ExecutionContext>
+  explicit basic_raw_socket(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context)
   {
   }
 
@@ -78,17 +111,36 @@ public:
   /**
    * This constructor creates and opens a raw socket.
    *
-   * @param io_context The io_context object that the raw socket will use
-   * to dispatch handlers for any asynchronous operations performed on the
-   * socket.
+   * @param ex The I/O executor that the socket will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param protocol An object specifying protocol parameters to be used.
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_raw_socket(asio::io_context& io_context,
-      const protocol_type& protocol)
-    : basic_socket<Protocol ASIO_SVC_TARG>(io_context, protocol)
+  basic_raw_socket(const executor_type& ex, const protocol_type& protocol)
+    : basic_socket<Protocol, Executor>(ex, protocol)
+  {
+  }
+
+  /// Construct and open a basic_raw_socket.
+  /**
+   * This constructor creates and opens a raw socket.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_raw_socket(ExecutionContext& context, const protocol_type& protocol,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context, protocol)
   {
   }
 
@@ -99,18 +151,41 @@ public:
    * to the specified endpoint on the local machine. The protocol used is the
    * protocol associated with the given endpoint.
    *
-   * @param io_context The io_context object that the raw socket will use
-   * to dispatch handlers for any asynchronous operations performed on the
-   * socket.
+   * @param ex The I/O executor that the socket will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param endpoint An endpoint on the local machine to which the raw
    * socket will be bound.
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_raw_socket(asio::io_context& io_context,
-      const endpoint_type& endpoint)
-    : basic_socket<Protocol ASIO_SVC_TARG>(io_context, endpoint)
+  basic_raw_socket(const executor_type& ex, const endpoint_type& endpoint)
+    : basic_socket<Protocol, Executor>(ex, endpoint)
+  {
+  }
+
+  /// Construct a basic_raw_socket, opening it and binding it to the given
+  /// local endpoint.
+  /**
+   * This constructor creates a raw socket and automatically opens it bound
+   * to the specified endpoint on the local machine. The protocol used is the
+   * protocol associated with the given endpoint.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param endpoint An endpoint on the local machine to which the raw
+   * socket will be bound.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_raw_socket(ExecutionContext& context, const endpoint_type& endpoint,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context, endpoint)
   {
   }
 
@@ -119,9 +194,8 @@ public:
    * This constructor creates a raw socket object to hold an existing
    * native socket.
    *
-   * @param io_context The io_context object that the raw socket will use
-   * to dispatch handlers for any asynchronous operations performed on the
-   * socket.
+   * @param ex The I/O executor that the socket will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param protocol An object specifying protocol parameters to be used.
    *
@@ -129,10 +203,34 @@ public:
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_raw_socket(asio::io_context& io_context,
+  basic_raw_socket(const executor_type& ex,
       const protocol_type& protocol, const native_handle_type& native_socket)
-    : basic_socket<Protocol ASIO_SVC_TARG>(
-        io_context, protocol, native_socket)
+    : basic_socket<Protocol, Executor>(ex, protocol, native_socket)
+  {
+  }
+
+  /// Construct a basic_raw_socket on an existing native socket.
+  /**
+   * This constructor creates a raw socket object to hold an existing
+   * native socket.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @param native_socket The new underlying socket implementation.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_raw_socket(ExecutionContext& context,
+      const protocol_type& protocol, const native_handle_type& native_socket,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context, protocol, native_socket)
   {
   }
 
@@ -145,10 +243,11 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_raw_socket(io_context&) constructor.
+   * constructed using the @c basic_raw_socket(const executor_type&)
+   * constructor.
    */
   basic_raw_socket(basic_raw_socket&& other)
-    : basic_socket<Protocol ASIO_SVC_TARG>(std::move(other))
+    : basic_socket<Protocol, Executor>(std::move(other))
   {
   }
 
@@ -160,28 +259,34 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_raw_socket(io_context&) constructor.
+   * constructed using the @c basic_raw_socket(const executor_type&)
+   * constructor.
    */
   basic_raw_socket& operator=(basic_raw_socket&& other)
   {
-    basic_socket<Protocol ASIO_SVC_TARG>::operator=(std::move(other));
+    basic_socket<Protocol, Executor>::operator=(std::move(other));
     return *this;
   }
 
-  /// Move-construct a basic_raw_socket from a socket of another protocol type.
+  /// Move-construct a basic_raw_socket from a socket of another protocol
+  /// type.
   /**
    * This constructor moves a raw socket from one object to another.
    *
-   * @param other The other basic_raw_socket object from which the move will
-   * occur.
+   * @param other The other basic_raw_socket object from which the move
+   * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_raw_socket(io_context&) constructor.
+   * constructed using the @c basic_raw_socket(const executor_type&)
+   * constructor.
    */
-  template <typename Protocol1 ASIO_SVC_TPARAM1>
-  basic_raw_socket(basic_raw_socket<Protocol1 ASIO_SVC_TARG1>&& other,
-      typename enable_if<is_convertible<Protocol1, Protocol>::value>::type* = 0)
-    : basic_socket<Protocol ASIO_SVC_TARG>(std::move(other))
+  template <typename Protocol1, typename Executor1>
+  basic_raw_socket(basic_raw_socket<Protocol1, Executor1>&& other,
+      typename enable_if<
+        is_convertible<Protocol1, Protocol>::value
+          && is_convertible<Executor1, Executor>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(std::move(other))
   {
   }
 
@@ -193,14 +298,17 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_raw_socket(io_context&) constructor.
+   * constructed using the @c basic_raw_socket(const executor_type&)
+   * constructor.
    */
-  template <typename Protocol1 ASIO_SVC_TPARAM1>
-  typename enable_if<is_convertible<Protocol1, Protocol>::value,
-      basic_raw_socket>::type& operator=(
-        basic_raw_socket<Protocol1 ASIO_SVC_TARG1>&& other)
+  template <typename Protocol1, typename Executor1>
+  typename enable_if<
+    is_convertible<Protocol1, Protocol>::value
+      && is_convertible<Executor1, Executor>::value,
+    basic_raw_socket&
+  >::type operator=(basic_raw_socket<Protocol1, Executor1>&& other)
   {
-    basic_socket<Protocol ASIO_SVC_TARG>::operator=(std::move(other));
+    basic_socket<Protocol, Executor>::operator=(std::move(other));
     return *this;
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
@@ -239,8 +347,8 @@ public:
   std::size_t send(const ConstBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().send(
-        this->get_implementation(), buffers, 0, ec);
+    std::size_t s = this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, 0, ec);
     asio::detail::throw_error(ec, "send");
     return s;
   }
@@ -266,8 +374,8 @@ public:
       socket_base::message_flags flags)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().send(
-        this->get_implementation(), buffers, flags, ec);
+    std::size_t s = this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, flags, ec);
     asio::detail::throw_error(ec, "send");
     return s;
   }
@@ -292,8 +400,8 @@ public:
   std::size_t send(const ConstBufferSequence& buffers,
       socket_base::message_flags flags, asio::error_code& ec)
   {
-    return this->get_service().send(
-        this->get_implementation(), buffers, flags, ec);
+    return this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, flags, ec);
   }
 
   /// Start an asynchronous send on a connected socket.
@@ -314,9 +422,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes sent.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The async_send operation can only be used with a connected socket.
    * Use the async_send_to function to send data on an unconnected raw
@@ -337,22 +445,10 @@ public:
   async_send(const ConstBufferSequence& buffers,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_send(this->get_implementation(),
-        buffers, 0, ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_send(this->get_implementation(),
-        buffers, 0, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_send(), handler, this,
+        buffers, socket_base::message_flags(0));
   }
 
   /// Start an asynchronous send on a connected socket.
@@ -375,9 +471,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes sent.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The async_send operation can only be used with a connected socket.
    * Use the async_send_to function to send data on an unconnected raw
@@ -390,22 +486,9 @@ public:
       socket_base::message_flags flags,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_send(this->get_implementation(),
-        buffers, flags, ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_send(this->get_implementation(),
-        buffers, flags, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_send(), handler, this, buffers, flags);
   }
 
   /// Send raw data to the specified endpoint.
@@ -438,8 +521,8 @@ public:
       const endpoint_type& destination)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().send_to(
-        this->get_implementation(), buffers, destination, 0, ec);
+    std::size_t s = this->impl_.get_service().send_to(
+        this->impl_.get_implementation(), buffers, destination, 0, ec);
     asio::detail::throw_error(ec, "send_to");
     return s;
   }
@@ -465,8 +548,8 @@ public:
       const endpoint_type& destination, socket_base::message_flags flags)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().send_to(
-        this->get_implementation(), buffers, destination, flags, ec);
+    std::size_t s = this->impl_.get_service().send_to(
+        this->impl_.get_implementation(), buffers, destination, flags, ec);
     asio::detail::throw_error(ec, "send_to");
     return s;
   }
@@ -492,7 +575,7 @@ public:
       const endpoint_type& destination, socket_base::message_flags flags,
       asio::error_code& ec)
   {
-    return this->get_service().send_to(this->get_implementation(),
+    return this->impl_.get_service().send_to(this->impl_.get_implementation(),
         buffers, destination, flags, ec);
   }
 
@@ -517,9 +600,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes sent.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @par Example
    * To send a single data buffer use the @ref buffer function as follows:
@@ -540,22 +623,10 @@ public:
       const endpoint_type& destination,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_send_to(this->get_implementation(),
-        buffers, destination, 0, ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_send_to(this->get_implementation(),
-        buffers, destination, 0, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_send_to(), handler, this, buffers,
+        destination, socket_base::message_flags(0));
   }
 
   /// Start an asynchronous send.
@@ -581,9 +652,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes sent.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    */
   template <typename ConstBufferSequence, typename WriteHandler>
   ASIO_INITFN_RESULT_TYPE(WriteHandler,
@@ -592,24 +663,9 @@ public:
       const endpoint_type& destination, socket_base::message_flags flags,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_send_to(
-        this->get_implementation(), buffers, destination, flags,
-        ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_send_to(
-        this->get_implementation(), buffers, destination, flags,
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_send_to(), handler, this, buffers, destination, flags);
   }
 
   /// Receive some data on a connected socket.
@@ -640,8 +696,8 @@ public:
   std::size_t receive(const MutableBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().receive(
-        this->get_implementation(), buffers, 0, ec);
+    std::size_t s = this->impl_.get_service().receive(
+        this->impl_.get_implementation(), buffers, 0, ec);
     asio::detail::throw_error(ec, "receive");
     return s;
   }
@@ -669,8 +725,8 @@ public:
       socket_base::message_flags flags)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().receive(
-        this->get_implementation(), buffers, flags, ec);
+    std::size_t s = this->impl_.get_service().receive(
+        this->impl_.get_implementation(), buffers, flags, ec);
     asio::detail::throw_error(ec, "receive");
     return s;
   }
@@ -697,8 +753,8 @@ public:
   std::size_t receive(const MutableBufferSequence& buffers,
       socket_base::message_flags flags, asio::error_code& ec)
   {
-    return this->get_service().receive(
-        this->get_implementation(), buffers, flags, ec);
+    return this->impl_.get_service().receive(
+        this->impl_.get_implementation(), buffers, flags, ec);
   }
 
   /// Start an asynchronous receive on a connected socket.
@@ -719,9 +775,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes received.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The async_receive operation can only be used with a connected socket.
    * Use the async_receive_from function to receive data on an unconnected
@@ -743,22 +799,10 @@ public:
   async_receive(const MutableBufferSequence& buffers,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive(this->get_implementation(),
-        buffers, 0, ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive(this->get_implementation(),
-        buffers, 0, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive(), handler, this,
+        buffers, socket_base::message_flags(0));
   }
 
   /// Start an asynchronous receive on a connected socket.
@@ -781,9 +825,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes received.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The async_receive operation can only be used with a connected socket.
    * Use the async_receive_from function to receive data on an unconnected
@@ -796,22 +840,9 @@ public:
       socket_base::message_flags flags,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive(this->get_implementation(),
-        buffers, flags, ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive(this->get_implementation(),
-        buffers, flags, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive(), handler, this, buffers, flags);
   }
 
   /// Receive raw data with the endpoint of the sender.
@@ -845,8 +876,8 @@ public:
       endpoint_type& sender_endpoint)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().receive_from(
-        this->get_implementation(), buffers, sender_endpoint, 0, ec);
+    std::size_t s = this->impl_.get_service().receive_from(
+        this->impl_.get_implementation(), buffers, sender_endpoint, 0, ec);
     asio::detail::throw_error(ec, "receive_from");
     return s;
   }
@@ -872,8 +903,8 @@ public:
       endpoint_type& sender_endpoint, socket_base::message_flags flags)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().receive_from(
-        this->get_implementation(), buffers, sender_endpoint, flags, ec);
+    std::size_t s = this->impl_.get_service().receive_from(
+        this->impl_.get_implementation(), buffers, sender_endpoint, flags, ec);
     asio::detail::throw_error(ec, "receive_from");
     return s;
   }
@@ -899,8 +930,8 @@ public:
       endpoint_type& sender_endpoint, socket_base::message_flags flags,
       asio::error_code& ec)
   {
-    return this->get_service().receive_from(this->get_implementation(),
-        buffers, sender_endpoint, flags, ec);
+    return this->impl_.get_service().receive_from(
+        this->impl_.get_implementation(), buffers, sender_endpoint, flags, ec);
   }
 
   /// Start an asynchronous receive.
@@ -926,9 +957,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes received.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @par Example
    * To receive into a single data buffer use the @ref buffer function as
@@ -946,24 +977,10 @@ public:
       endpoint_type& sender_endpoint,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive_from(
-        this->get_implementation(), buffers, sender_endpoint, 0,
-        ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive_from(
-        this->get_implementation(), buffers, sender_endpoint, 0,
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive_from(), handler, this, buffers,
+        &sender_endpoint, socket_base::message_flags(0));
   }
 
   /// Start an asynchronous receive.
@@ -991,9 +1008,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes received.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    */
   template <typename MutableBufferSequence, typename ReadHandler>
   ASIO_INITFN_RESULT_TYPE(ReadHandler,
@@ -1002,25 +1019,85 @@ public:
       endpoint_type& sender_endpoint, socket_base::message_flags flags,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive_from(
-        this->get_implementation(), buffers, sender_endpoint, flags,
-        ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive_from(
-        this->get_implementation(), buffers, sender_endpoint, flags,
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive_from(), handler,
+        this, buffers, &sender_endpoint, flags);
   }
+
+private:
+  struct initiate_async_send
+  {
+    template <typename WriteHandler, typename ConstBufferSequence>
+    void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
+        basic_raw_socket* self, const ConstBufferSequence& buffers,
+        socket_base::message_flags flags) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WriteHandler.
+      ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
+
+      detail::non_const_lvalue<WriteHandler> handler2(handler);
+      self->impl_.get_service().async_send(
+          self->impl_.get_implementation(), buffers, flags,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
+
+  struct initiate_async_send_to
+  {
+    template <typename WriteHandler, typename ConstBufferSequence>
+    void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
+        basic_raw_socket* self, const ConstBufferSequence& buffers,
+        const endpoint_type& destination,
+        socket_base::message_flags flags) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WriteHandler.
+      ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
+
+      detail::non_const_lvalue<WriteHandler> handler2(handler);
+      self->impl_.get_service().async_send_to(
+          self->impl_.get_implementation(), buffers, destination, flags,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
+
+  struct initiate_async_receive
+  {
+    template <typename ReadHandler, typename MutableBufferSequence>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        basic_raw_socket* self, const MutableBufferSequence& buffers,
+        socket_base::message_flags flags) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      detail::non_const_lvalue<ReadHandler> handler2(handler);
+      self->impl_.get_service().async_receive(
+          self->impl_.get_implementation(), buffers, flags,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
+
+  struct initiate_async_receive_from
+  {
+    template <typename ReadHandler, typename MutableBufferSequence>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        basic_raw_socket* self, const MutableBufferSequence& buffers,
+        endpoint_type* sender_endpoint, socket_base::message_flags flags) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      detail::non_const_lvalue<ReadHandler> handler2(handler);
+      self->impl_.get_service().async_receive_from(
+          self->impl_.get_implementation(), buffers, *sender_endpoint, flags,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
 };
 
 } // namespace asio
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_seq_packet_socket.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_seq_packet_socket.hpp
index f6e8dc5..4ee1079 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_seq_packet_socket.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_seq_packet_socket.hpp
@@ -2,7 +2,7 @@
 // basic_seq_packet_socket.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -22,14 +22,19 @@
 #include "asio/detail/throw_error.hpp"
 #include "asio/error.hpp"
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/seq_packet_socket_service.hpp"
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
 
+#if !defined(ASIO_BASIC_SEQ_PACKET_SOCKET_FWD_DECL)
+#define ASIO_BASIC_SEQ_PACKET_SOCKET_FWD_DECL
+
+// Forward declaration with defaulted arguments.
+template <typename Protocol, typename Executor = executor>
+class basic_seq_packet_socket;
+
+#endif // !defined(ASIO_BASIC_SEQ_PACKET_SOCKET_FWD_DECL)
+
 /// Provides sequenced packet socket functionality.
 /**
  * The basic_seq_packet_socket class template provides asynchronous and blocking
@@ -39,18 +44,28 @@ namespace asio {
  * @e Distinct @e objects: Safe.@n
  * @e Shared @e objects: Unsafe.
  */
-template <typename Protocol
-    ASIO_SVC_TPARAM_DEF1(= seq_packet_socket_service<Protocol>)>
+template <typename Protocol, typename Executor>
 class basic_seq_packet_socket
-  : public basic_socket<Protocol ASIO_SVC_TARG>
+  : public basic_socket<Protocol, Executor>
 {
 public:
+  /// The type of the executor associated with the object.
+  typedef Executor executor_type;
+
+  /// Rebinds the socket type to another executor.
+  template <typename Executor1>
+  struct rebind_executor
+  {
+    /// The socket type when rebound to the specified executor.
+    typedef basic_seq_packet_socket<Protocol, Executor1> other;
+  };
+
   /// The native representation of a socket.
 #if defined(GENERATING_DOCUMENTATION)
   typedef implementation_defined native_handle_type;
 #else
-  typedef typename basic_socket<
-    Protocol ASIO_SVC_TARG>::native_handle_type native_handle_type;
+  typedef typename basic_socket<Protocol,
+    Executor>::native_handle_type native_handle_type;
 #endif
 
   /// The protocol type.
@@ -65,12 +80,30 @@ public:
    * socket needs to be opened and then connected or accepted before data can
    * be sent or received on it.
    *
-   * @param io_context The io_context object that the sequenced packet socket
-   * will use to dispatch handlers for any asynchronous operations performed on
-   * the socket.
+   * @param ex The I/O executor that the socket will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the socket.
    */
-  explicit basic_seq_packet_socket(asio::io_context& io_context)
-    : basic_socket<Protocol ASIO_SVC_TARG>(io_context)
+  explicit basic_seq_packet_socket(const executor_type& ex)
+    : basic_socket<Protocol, Executor>(ex)
+  {
+  }
+
+  /// Construct a basic_seq_packet_socket without opening it.
+  /**
+   * This constructor creates a sequenced packet socket without opening it. The
+   * socket needs to be opened and then connected or accepted before data can
+   * be sent or received on it.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   */
+  template <typename ExecutionContext>
+  explicit basic_seq_packet_socket(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context)
   {
   }
 
@@ -80,17 +113,40 @@ public:
    * needs to be connected or accepted before data can be sent or received on
    * it.
    *
-   * @param io_context The io_context object that the sequenced packet socket
-   * will use to dispatch handlers for any asynchronous operations performed on
-   * the socket.
+   * @param ex The I/O executor that the socket will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param protocol An object specifying protocol parameters to be used.
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_seq_packet_socket(asio::io_context& io_context,
+  basic_seq_packet_socket(const executor_type& ex,
       const protocol_type& protocol)
-    : basic_socket<Protocol ASIO_SVC_TARG>(io_context, protocol)
+    : basic_socket<Protocol, Executor>(ex, protocol)
+  {
+  }
+
+  /// Construct and open a basic_seq_packet_socket.
+  /**
+   * This constructor creates and opens a sequenced_packet socket. The socket
+   * needs to be connected or accepted before data can be sent or received on
+   * it.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_seq_packet_socket(ExecutionContext& context,
+      const protocol_type& protocol,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context, protocol)
   {
   }
 
@@ -101,18 +157,43 @@ public:
    * it bound to the specified endpoint on the local machine. The protocol used
    * is the protocol associated with the given endpoint.
    *
-   * @param io_context The io_context object that the sequenced packet socket
-   * will use to dispatch handlers for any asynchronous operations performed on
-   * the socket.
+   * @param ex The I/O executor that the socket will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param endpoint An endpoint on the local machine to which the sequenced
    * packet socket will be bound.
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_seq_packet_socket(asio::io_context& io_context,
+  basic_seq_packet_socket(const executor_type& ex,
       const endpoint_type& endpoint)
-    : basic_socket<Protocol ASIO_SVC_TARG>(io_context, endpoint)
+    : basic_socket<Protocol, Executor>(ex, endpoint)
+  {
+  }
+
+  /// Construct a basic_seq_packet_socket, opening it and binding it to the
+  /// given local endpoint.
+  /**
+   * This constructor creates a sequenced packet socket and automatically opens
+   * it bound to the specified endpoint on the local machine. The protocol used
+   * is the protocol associated with the given endpoint.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param endpoint An endpoint on the local machine to which the sequenced
+   * packet socket will be bound.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_seq_packet_socket(ExecutionContext& context,
+      const endpoint_type& endpoint,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context, endpoint)
   {
   }
 
@@ -121,9 +202,8 @@ public:
    * This constructor creates a sequenced packet socket object to hold an
    * existing native socket.
    *
-   * @param io_context The io_context object that the sequenced packet socket
-   * will use to dispatch handlers for any asynchronous operations performed on
-   * the socket.
+   * @param ex The I/O executor that the socket will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param protocol An object specifying protocol parameters to be used.
    *
@@ -131,10 +211,34 @@ public:
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_seq_packet_socket(asio::io_context& io_context,
+  basic_seq_packet_socket(const executor_type& ex,
       const protocol_type& protocol, const native_handle_type& native_socket)
-    : basic_socket<Protocol ASIO_SVC_TARG>(
-        io_context, protocol, native_socket)
+    : basic_socket<Protocol, Executor>(ex, protocol, native_socket)
+  {
+  }
+
+  /// Construct a basic_seq_packet_socket on an existing native socket.
+  /**
+   * This constructor creates a sequenced packet socket object to hold an
+   * existing native socket.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @param native_socket The new underlying socket implementation.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_seq_packet_socket(ExecutionContext& context,
+      const protocol_type& protocol, const native_handle_type& native_socket,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context, protocol, native_socket)
   {
   }
 
@@ -148,10 +252,11 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_seq_packet_socket(io_context&) constructor.
+   * constructed using the @c basic_seq_packet_socket(const executor_type&)
+   * constructor.
    */
   basic_seq_packet_socket(basic_seq_packet_socket&& other)
-    : basic_socket<Protocol ASIO_SVC_TARG>(std::move(other))
+    : basic_socket<Protocol, Executor>(std::move(other))
   {
   }
 
@@ -164,11 +269,12 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_seq_packet_socket(io_context&) constructor.
+   * constructed using the @c basic_seq_packet_socket(const executor_type&)
+   * constructor.
    */
   basic_seq_packet_socket& operator=(basic_seq_packet_socket&& other)
   {
-    basic_socket<Protocol ASIO_SVC_TARG>::operator=(std::move(other));
+    basic_socket<Protocol, Executor>::operator=(std::move(other));
     return *this;
   }
 
@@ -182,13 +288,16 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_seq_packet_socket(io_context&) constructor.
+   * constructed using the @c basic_seq_packet_socket(const executor_type&)
+   * constructor.
    */
-  template <typename Protocol1 ASIO_SVC_TPARAM1>
-  basic_seq_packet_socket(
-      basic_seq_packet_socket<Protocol1 ASIO_SVC_TARG1>&& other,
-      typename enable_if<is_convertible<Protocol1, Protocol>::value>::type* = 0)
-    : basic_socket<Protocol ASIO_SVC_TARG>(std::move(other))
+  template <typename Protocol1, typename Executor1>
+  basic_seq_packet_socket(basic_seq_packet_socket<Protocol1, Executor1>&& other,
+      typename enable_if<
+        is_convertible<Protocol1, Protocol>::value
+          && is_convertible<Executor1, Executor>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(std::move(other))
   {
   }
 
@@ -202,14 +311,17 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_seq_packet_socket(io_context&) constructor.
+   * constructed using the @c basic_seq_packet_socket(const executor_type&)
+   * constructor.
    */
-  template <typename Protocol1 ASIO_SVC_TPARAM1>
-  typename enable_if<is_convertible<Protocol1, Protocol>::value,
-      basic_seq_packet_socket>::type& operator=(
-        basic_seq_packet_socket<Protocol1 ASIO_SVC_TARG1>&& other)
+  template <typename Protocol1, typename Executor1>
+  typename enable_if<
+    is_convertible<Protocol1, Protocol>::value
+      && is_convertible<Executor1, Executor>::value,
+    basic_seq_packet_socket&
+  >::type operator=(basic_seq_packet_socket<Protocol1, Executor1>&& other)
   {
-    basic_socket<Protocol ASIO_SVC_TARG>::operator=(std::move(other));
+    basic_socket<Protocol, Executor>::operator=(std::move(other));
     return *this;
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
@@ -251,8 +363,8 @@ public:
       socket_base::message_flags flags)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().send(
-        this->get_implementation(), buffers, flags, ec);
+    std::size_t s = this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, flags, ec);
     asio::detail::throw_error(ec, "send");
     return s;
   }
@@ -279,8 +391,8 @@ public:
   std::size_t send(const ConstBufferSequence& buffers,
       socket_base::message_flags flags, asio::error_code& ec)
   {
-    return this->get_service().send(
-        this->get_implementation(), buffers, flags, ec);
+    return this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, flags, ec);
   }
 
   /// Start an asynchronous send.
@@ -303,9 +415,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes sent.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @par Example
    * To send a single data buffer use the @ref buffer function as follows:
@@ -323,22 +435,9 @@ public:
       socket_base::message_flags flags,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_send(this->get_implementation(),
-        buffers, flags, ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_send(this->get_implementation(),
-        buffers, flags, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_send(), handler, this, buffers, flags);
   }
 
   /// Receive some data on the socket.
@@ -375,13 +474,8 @@ public:
       socket_base::message_flags& out_flags)
   {
     asio::error_code ec;
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    std::size_t s = this->get_service().receive(
-        this->get_implementation(), buffers, 0, out_flags, ec);
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    std::size_t s = this->get_service().receive_with_flags(
-        this->get_implementation(), buffers, 0, out_flags, ec);
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    std::size_t s = this->impl_.get_service().receive_with_flags(
+        this->impl_.get_implementation(), buffers, 0, out_flags, ec);
     asio::detail::throw_error(ec, "receive");
     return s;
   }
@@ -427,13 +521,8 @@ public:
       socket_base::message_flags& out_flags)
   {
     asio::error_code ec;
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    std::size_t s = this->get_service().receive(
-        this->get_implementation(), buffers, in_flags, out_flags, ec);
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    std::size_t s = this->get_service().receive_with_flags(
-        this->get_implementation(), buffers, in_flags, out_flags, ec);
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    std::size_t s = this->impl_.get_service().receive_with_flags(
+        this->impl_.get_implementation(), buffers, in_flags, out_flags, ec);
     asio::detail::throw_error(ec, "receive");
     return s;
   }
@@ -466,13 +555,8 @@ public:
       socket_base::message_flags in_flags,
       socket_base::message_flags& out_flags, asio::error_code& ec)
   {
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().receive(this->get_implementation(),
-        buffers, in_flags, out_flags, ec);
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().receive_with_flags(this->get_implementation(),
-        buffers, in_flags, out_flags, ec);
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return this->impl_.get_service().receive_with_flags(
+        this->impl_.get_implementation(), buffers, in_flags, out_flags, ec);
   }
 
   /// Start an asynchronous receive.
@@ -499,9 +583,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes received.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @par Example
    * To receive into a single data buffer use the @ref buffer function as
@@ -520,24 +604,10 @@ public:
       socket_base::message_flags& out_flags,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive(
-        this->get_implementation(), buffers, 0, out_flags,
-        ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive_with_flags(
-        this->get_implementation(), buffers, 0, out_flags,
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive_with_flags(), handler, this,
+        buffers, socket_base::message_flags(0), &out_flags);
   }
 
   /// Start an asynchronous receive.
@@ -566,9 +636,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes received.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @par Example
    * To receive into a single data buffer use the @ref buffer function as
@@ -590,25 +660,49 @@ public:
       socket_base::message_flags& out_flags,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive(
-        this->get_implementation(), buffers, in_flags, out_flags,
-        ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive_with_flags(
-        this->get_implementation(), buffers, in_flags, out_flags,
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive_with_flags(), handler,
+        this, buffers, in_flags, &out_flags);
   }
+
+private:
+  struct initiate_async_send
+  {
+    template <typename WriteHandler, typename ConstBufferSequence>
+    void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
+        basic_seq_packet_socket* self, const ConstBufferSequence& buffers,
+        socket_base::message_flags flags) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WriteHandler.
+      ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
+
+      detail::non_const_lvalue<WriteHandler> handler2(handler);
+      self->impl_.get_service().async_send(
+          self->impl_.get_implementation(), buffers, flags,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
+
+  struct initiate_async_receive_with_flags
+  {
+    template <typename ReadHandler, typename MutableBufferSequence>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        basic_seq_packet_socket* self, const MutableBufferSequence& buffers,
+        socket_base::message_flags in_flags,
+        socket_base::message_flags* out_flags) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      detail::non_const_lvalue<ReadHandler> handler2(handler);
+      self->impl_.get_service().async_receive_with_flags(
+          self->impl_.get_implementation(), buffers, in_flags, *out_flags,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
 };
 
 } // namespace asio
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_serial_port.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_serial_port.hpp
index 22ed8f7..b5925ee 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_serial_port.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_serial_port.hpp
@@ -2,7 +2,7 @@
 // basic_serial_port.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -18,18 +18,29 @@
 
 #include "asio/detail/config.hpp"
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
 #if defined(ASIO_HAS_SERIAL_PORT) \
   || defined(GENERATING_DOCUMENTATION)
 
 #include <string>
-#include "asio/basic_io_object.hpp"
+#include "asio/async_result.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/io_object_impl.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
 #include "asio/detail/throw_error.hpp"
+#include "asio/detail/type_traits.hpp"
 #include "asio/error.hpp"
+#include "asio/execution_context.hpp"
+#include "asio/executor.hpp"
 #include "asio/serial_port_base.hpp"
-#include "asio/serial_port_service.hpp"
+#if defined(ASIO_HAS_IOCP)
+# include "asio/detail/win_iocp_serial_port_service.hpp"
+#else
+# include "asio/detail/reactive_serial_port_service.hpp"
+#endif
+
+#if defined(ASIO_HAS_MOVE)
+# include <utility>
+#endif // defined(ASIO_HAS_MOVE)
 
 #include "asio/detail/push_options.hpp"
 
@@ -37,34 +48,63 @@ namespace asio {
 
 /// Provides serial port functionality.
 /**
- * The basic_serial_port class template provides functionality that is common
- * to all serial ports.
+ * The basic_serial_port class provides a wrapper over serial port
+ * functionality.
  *
  * @par Thread Safety
  * @e Distinct @e objects: Safe.@n
  * @e Shared @e objects: Unsafe.
  */
-template <typename SerialPortService = serial_port_service>
+template <typename Executor = executor>
 class basic_serial_port
-  : public basic_io_object<SerialPortService>,
-    public serial_port_base
+  : public serial_port_base
 {
 public:
-  /// The native representation of a serial port.
-  typedef typename SerialPortService::native_handle_type native_handle_type;
+  /// The type of the executor associated with the object.
+  typedef Executor executor_type;
 
-  /// A basic_serial_port is always the lowest layer.
-  typedef basic_serial_port<SerialPortService> lowest_layer_type;
+  /// The native representation of a serial port.
+#if defined(GENERATING_DOCUMENTATION)
+  typedef implementation_defined native_handle_type;
+#elif defined(ASIO_HAS_IOCP)
+  typedef detail::win_iocp_serial_port_service::native_handle_type
+    native_handle_type;
+#else
+  typedef detail::reactive_serial_port_service::native_handle_type
+    native_handle_type;
+#endif
+
+  /// A basic_basic_serial_port is always the lowest layer.
+  typedef basic_serial_port lowest_layer_type;
 
   /// Construct a basic_serial_port without opening it.
   /**
    * This constructor creates a serial port without opening it.
    *
-   * @param io_context The io_context object that the serial port will use to
-   * dispatch handlers for any asynchronous operations performed on the port.
+   * @param ex The I/O executor that the serial port will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
+   * serial port.
    */
-  explicit basic_serial_port(asio::io_context& io_context)
-    : basic_io_object<SerialPortService>(io_context)
+  explicit basic_serial_port(const executor_type& ex)
+    : impl_(ex)
+  {
+  }
+
+  /// Construct a basic_serial_port without opening it.
+  /**
+   * This constructor creates a serial port without opening it.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the serial port will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the serial port.
+   */
+  template <typename ExecutionContext>
+  explicit basic_serial_port(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value,
+        basic_serial_port
+      >::type* = 0)
+    : impl_(context)
   {
   }
 
@@ -73,18 +113,18 @@ public:
    * This constructor creates and opens a serial port for the specified device
    * name.
    *
-   * @param io_context The io_context object that the serial port will use to
-   * dispatch handlers for any asynchronous operations performed on the port.
+   * @param ex The I/O executor that the serial port will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
+   * serial port.
    *
    * @param device The platform-specific device name for this serial
    * port.
    */
-  explicit basic_serial_port(asio::io_context& io_context,
-      const char* device)
-    : basic_io_object<SerialPortService>(io_context)
+  basic_serial_port(const executor_type& ex, const char* device)
+    : impl_(ex)
   {
     asio::error_code ec;
-    this->get_service().open(this->get_implementation(), device, ec);
+    impl_.get_service().open(impl_.get_implementation(), device, ec);
     asio::detail::throw_error(ec, "open");
   }
 
@@ -93,18 +133,66 @@ public:
    * This constructor creates and opens a serial port for the specified device
    * name.
    *
-   * @param io_context The io_context object that the serial port will use to
-   * dispatch handlers for any asynchronous operations performed on the port.
+   * @param context An execution context which provides the I/O executor that
+   * the serial port will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the serial port.
    *
    * @param device The platform-specific device name for this serial
    * port.
    */
-  explicit basic_serial_port(asio::io_context& io_context,
-      const std::string& device)
-    : basic_io_object<SerialPortService>(io_context)
+  template <typename ExecutionContext>
+  basic_serial_port(ExecutionContext& context, const char* device,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
   {
     asio::error_code ec;
-    this->get_service().open(this->get_implementation(), device, ec);
+    impl_.get_service().open(impl_.get_implementation(), device, ec);
+    asio::detail::throw_error(ec, "open");
+  }
+
+  /// Construct and open a basic_serial_port.
+  /**
+   * This constructor creates and opens a serial port for the specified device
+   * name.
+   *
+   * @param ex The I/O executor that the serial port will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
+   * serial port.
+   *
+   * @param device The platform-specific device name for this serial
+   * port.
+   */
+  basic_serial_port(const executor_type& ex, const std::string& device)
+    : impl_(ex)
+  {
+    asio::error_code ec;
+    impl_.get_service().open(impl_.get_implementation(), device, ec);
+    asio::detail::throw_error(ec, "open");
+  }
+
+  /// Construct and open a basic_serial_port.
+  /**
+   * This constructor creates and opens a serial port for the specified device
+   * name.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the serial port will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the serial port.
+   *
+   * @param device The platform-specific device name for this serial
+   * port.
+   */
+  template <typename ExecutionContext>
+  basic_serial_port(ExecutionContext& context, const std::string& device,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    impl_.get_service().open(impl_.get_implementation(), device, ec);
     asio::detail::throw_error(ec, "open");
   }
 
@@ -113,19 +201,47 @@ public:
    * This constructor creates a serial port object to hold an existing native
    * serial port.
    *
-   * @param io_context The io_context object that the serial port will use to
-   * dispatch handlers for any asynchronous operations performed on the port.
+   * @param ex The I/O executor that the serial port will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
+   * serial port.
    *
    * @param native_serial_port A native serial port.
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_serial_port(asio::io_context& io_context,
+  basic_serial_port(const executor_type& ex,
       const native_handle_type& native_serial_port)
-    : basic_io_object<SerialPortService>(io_context)
+    : impl_(ex)
   {
     asio::error_code ec;
-    this->get_service().assign(this->get_implementation(),
+    impl_.get_service().assign(impl_.get_implementation(),
+        native_serial_port, ec);
+    asio::detail::throw_error(ec, "assign");
+  }
+
+  /// Construct a basic_serial_port on an existing native serial port.
+  /**
+   * This constructor creates a serial port object to hold an existing native
+   * serial port.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the serial port will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the serial port.
+   *
+   * @param native_serial_port A native serial port.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_serial_port(ExecutionContext& context,
+      const native_handle_type& native_serial_port,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    impl_.get_service().assign(impl_.get_implementation(),
         native_serial_port, ec);
     asio::detail::throw_error(ec, "assign");
   }
@@ -139,11 +255,11 @@ public:
    * occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_serial_port(io_context&) constructor.
+   * constructed using the @c basic_serial_port(const executor_type&)
+   * constructor.
    */
   basic_serial_port(basic_serial_port&& other)
-    : basic_io_object<SerialPortService>(
-        ASIO_MOVE_CAST(basic_serial_port)(other))
+    : impl_(std::move(other.impl_))
   {
   }
 
@@ -155,16 +271,32 @@ public:
    * occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_serial_port(io_context&) constructor.
+   * constructed using the @c basic_serial_port(const executor_type&)
+   * constructor.
    */
   basic_serial_port& operator=(basic_serial_port&& other)
   {
-    basic_io_object<SerialPortService>::operator=(
-        ASIO_MOVE_CAST(basic_serial_port)(other));
+    impl_ = std::move(other.impl_);
     return *this;
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
 
+  /// Destroys the serial port.
+  /**
+   * This function destroys the serial port, cancelling any outstanding
+   * asynchronous wait operations associated with the serial port as if by
+   * calling @c cancel.
+   */
+  ~basic_serial_port()
+  {
+  }
+
+  /// Get the executor associated with the object.
+  executor_type get_executor() ASIO_NOEXCEPT
+  {
+    return impl_.get_executor();
+  }
+
   /// Get a reference to the lowest layer.
   /**
    * This function returns a reference to the lowest layer in a stack of
@@ -204,7 +336,7 @@ public:
   void open(const std::string& device)
   {
     asio::error_code ec;
-    this->get_service().open(this->get_implementation(), device, ec);
+    impl_.get_service().open(impl_.get_implementation(), device, ec);
     asio::detail::throw_error(ec, "open");
   }
 
@@ -220,7 +352,7 @@ public:
   ASIO_SYNC_OP_VOID open(const std::string& device,
       asio::error_code& ec)
   {
-    this->get_service().open(this->get_implementation(), device, ec);
+    impl_.get_service().open(impl_.get_implementation(), device, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -235,7 +367,7 @@ public:
   void assign(const native_handle_type& native_serial_port)
   {
     asio::error_code ec;
-    this->get_service().assign(this->get_implementation(),
+    impl_.get_service().assign(impl_.get_implementation(),
         native_serial_port, ec);
     asio::detail::throw_error(ec, "assign");
   }
@@ -251,7 +383,7 @@ public:
   ASIO_SYNC_OP_VOID assign(const native_handle_type& native_serial_port,
       asio::error_code& ec)
   {
-    this->get_service().assign(this->get_implementation(),
+    impl_.get_service().assign(impl_.get_implementation(),
         native_serial_port, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
@@ -259,7 +391,7 @@ public:
   /// Determine whether the serial port is open.
   bool is_open() const
   {
-    return this->get_service().is_open(this->get_implementation());
+    return impl_.get_service().is_open(impl_.get_implementation());
   }
 
   /// Close the serial port.
@@ -273,7 +405,7 @@ public:
   void close()
   {
     asio::error_code ec;
-    this->get_service().close(this->get_implementation(), ec);
+    impl_.get_service().close(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "close");
   }
 
@@ -287,7 +419,7 @@ public:
    */
   ASIO_SYNC_OP_VOID close(asio::error_code& ec)
   {
-    this->get_service().close(this->get_implementation(), ec);
+    impl_.get_service().close(impl_.get_implementation(), ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -299,7 +431,7 @@ public:
    */
   native_handle_type native_handle()
   {
-    return this->get_service().native_handle(this->get_implementation());
+    return impl_.get_service().native_handle(impl_.get_implementation());
   }
 
   /// Cancel all asynchronous operations associated with the serial port.
@@ -313,7 +445,7 @@ public:
   void cancel()
   {
     asio::error_code ec;
-    this->get_service().cancel(this->get_implementation(), ec);
+    impl_.get_service().cancel(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "cancel");
   }
 
@@ -327,7 +459,7 @@ public:
    */
   ASIO_SYNC_OP_VOID cancel(asio::error_code& ec)
   {
-    this->get_service().cancel(this->get_implementation(), ec);
+    impl_.get_service().cancel(impl_.get_implementation(), ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -341,7 +473,7 @@ public:
   void send_break()
   {
     asio::error_code ec;
-    this->get_service().send_break(this->get_implementation(), ec);
+    impl_.get_service().send_break(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "send_break");
   }
 
@@ -354,7 +486,7 @@ public:
    */
   ASIO_SYNC_OP_VOID send_break(asio::error_code& ec)
   {
-    this->get_service().send_break(this->get_implementation(), ec);
+    impl_.get_service().send_break(impl_.get_implementation(), ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -377,7 +509,7 @@ public:
   void set_option(const SettableSerialPortOption& option)
   {
     asio::error_code ec;
-    this->get_service().set_option(this->get_implementation(), option, ec);
+    impl_.get_service().set_option(impl_.get_implementation(), option, ec);
     asio::detail::throw_error(ec, "set_option");
   }
 
@@ -400,7 +532,7 @@ public:
   ASIO_SYNC_OP_VOID set_option(const SettableSerialPortOption& option,
       asio::error_code& ec)
   {
-    this->get_service().set_option(this->get_implementation(), option, ec);
+    impl_.get_service().set_option(impl_.get_implementation(), option, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -424,7 +556,7 @@ public:
   void get_option(GettableSerialPortOption& option)
   {
     asio::error_code ec;
-    this->get_service().get_option(this->get_implementation(), option, ec);
+    impl_.get_service().get_option(impl_.get_implementation(), option, ec);
     asio::detail::throw_error(ec, "get_option");
   }
 
@@ -448,7 +580,7 @@ public:
   ASIO_SYNC_OP_VOID get_option(GettableSerialPortOption& option,
       asio::error_code& ec)
   {
-    this->get_service().get_option(this->get_implementation(), option, ec);
+    impl_.get_service().get_option(impl_.get_implementation(), option, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -473,7 +605,7 @@ public:
    * @par Example
    * To write a single data buffer use the @ref buffer function as follows:
    * @code
-   * serial_port.write_some(asio::buffer(data, size));
+   * basic_serial_port.write_some(asio::buffer(data, size));
    * @endcode
    * See the @ref buffer documentation for information on writing multiple
    * buffers in one go, and how to use it with arrays, boost::array or
@@ -483,8 +615,8 @@ public:
   std::size_t write_some(const ConstBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().write_some(
-        this->get_implementation(), buffers, ec);
+    std::size_t s = impl_.get_service().write_some(
+        impl_.get_implementation(), buffers, ec);
     asio::detail::throw_error(ec, "write_some");
     return s;
   }
@@ -509,8 +641,8 @@ public:
   std::size_t write_some(const ConstBufferSequence& buffers,
       asio::error_code& ec)
   {
-    return this->get_service().write_some(
-        this->get_implementation(), buffers, ec);
+    return impl_.get_service().write_some(
+        impl_.get_implementation(), buffers, ec);
   }
 
   /// Start an asynchronous write.
@@ -531,9 +663,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes written.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The write operation may not transmit all of the data to the peer.
    * Consider using the @ref async_write function if you need to ensure that all
@@ -542,7 +674,8 @@ public:
    * @par Example
    * To write a single data buffer use the @ref buffer function as follows:
    * @code
-   * serial_port.async_write_some(asio::buffer(data, size), handler);
+   * basic_serial_port.async_write_some(
+   *     asio::buffer(data, size), handler);
    * @endcode
    * See the @ref buffer documentation for information on writing multiple
    * buffers in one go, and how to use it with arrays, boost::array or
@@ -554,12 +687,9 @@ public:
   async_write_some(const ConstBufferSequence& buffers,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-    return this->get_service().async_write_some(this->get_implementation(),
-        buffers, ASIO_MOVE_CAST(WriteHandler)(handler));
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_write_some(), handler, this, buffers);
   }
 
   /// Read some data from the serial port.
@@ -584,7 +714,7 @@ public:
    * @par Example
    * To read into a single data buffer use the @ref buffer function as follows:
    * @code
-   * serial_port.read_some(asio::buffer(data, size));
+   * basic_serial_port.read_some(asio::buffer(data, size));
    * @endcode
    * See the @ref buffer documentation for information on reading into multiple
    * buffers in one go, and how to use it with arrays, boost::array or
@@ -594,8 +724,8 @@ public:
   std::size_t read_some(const MutableBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().read_some(
-        this->get_implementation(), buffers, ec);
+    std::size_t s = impl_.get_service().read_some(
+        impl_.get_implementation(), buffers, ec);
     asio::detail::throw_error(ec, "read_some");
     return s;
   }
@@ -621,8 +751,8 @@ public:
   std::size_t read_some(const MutableBufferSequence& buffers,
       asio::error_code& ec)
   {
-    return this->get_service().read_some(
-        this->get_implementation(), buffers, ec);
+    return impl_.get_service().read_some(
+        impl_.get_implementation(), buffers, ec);
   }
 
   /// Start an asynchronous read.
@@ -643,9 +773,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes read.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The read operation may not read all of the requested number of bytes.
    * Consider using the @ref async_read function if you need to ensure that the
@@ -655,7 +785,8 @@ public:
    * @par Example
    * To read into a single data buffer use the @ref buffer function as follows:
    * @code
-   * serial_port.async_read_some(asio::buffer(data, size), handler);
+   * basic_serial_port.async_read_some(
+   *     asio::buffer(data, size), handler);
    * @endcode
    * See the @ref buffer documentation for information on reading into multiple
    * buffers in one go, and how to use it with arrays, boost::array or
@@ -667,13 +798,55 @@ public:
   async_read_some(const MutableBufferSequence& buffers,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-    return this->get_service().async_read_some(this->get_implementation(),
-        buffers, ASIO_MOVE_CAST(ReadHandler)(handler));
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_read_some(), handler, this, buffers);
   }
+
+private:
+  // Disallow copying and assignment.
+  basic_serial_port(const basic_serial_port&) ASIO_DELETED;
+  basic_serial_port& operator=(const basic_serial_port&) ASIO_DELETED;
+
+  struct initiate_async_write_some
+  {
+    template <typename WriteHandler, typename ConstBufferSequence>
+    void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
+        basic_serial_port* self, const ConstBufferSequence& buffers) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WriteHandler.
+      ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
+
+      detail::non_const_lvalue<WriteHandler> handler2(handler);
+      self->impl_.get_service().async_write_some(
+          self->impl_.get_implementation(), buffers, handler2.value,
+          self->impl_.get_implementation_executor());
+    }
+  };
+
+  struct initiate_async_read_some
+  {
+    template <typename ReadHandler, typename MutableBufferSequence>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        basic_serial_port* self, const MutableBufferSequence& buffers) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      detail::non_const_lvalue<ReadHandler> handler2(handler);
+      self->impl_.get_service().async_read_some(
+          self->impl_.get_implementation(), buffers, handler2.value,
+          self->impl_.get_implementation_executor());
+    }
+  };
+
+#if defined(ASIO_HAS_IOCP)
+  detail::io_object_impl<detail::win_iocp_serial_port_service, Executor> impl_;
+#else
+  detail::io_object_impl<detail::reactive_serial_port_service, Executor> impl_;
+#endif
 };
 
 } // namespace asio
@@ -683,6 +856,4 @@ public:
 #endif // defined(ASIO_HAS_SERIAL_PORT)
        //   || defined(GENERATING_DOCUMENTATION)
 
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #endif // ASIO_BASIC_SERIAL_PORT_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_signal_set.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_signal_set.hpp
index b7302ab..f044e57 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_signal_set.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_signal_set.hpp
@@ -2,7 +2,7 @@
 // basic_signal_set.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -17,24 +17,23 @@
 
 #include "asio/detail/config.hpp"
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#include "asio/basic_io_object.hpp"
+#include "asio/async_result.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/io_object_impl.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
+#include "asio/detail/signal_set_service.hpp"
 #include "asio/detail/throw_error.hpp"
+#include "asio/detail/type_traits.hpp"
 #include "asio/error.hpp"
-#include "asio/signal_set_service.hpp"
-
-#include "asio/detail/push_options.hpp"
+#include "asio/execution_context.hpp"
+#include "asio/executor.hpp"
 
 namespace asio {
 
 /// Provides signal functionality.
 /**
- * The basic_signal_set class template provides the ability to perform an
- * asynchronous wait for one or more signals to occur.
- *
- * Most applications will use the asio::signal_set typedef.
+ * The basic_signal_set class provides the ability to perform an asynchronous
+ * wait for one or more signals to occur.
  *
  * @par Thread Safety
  * @e Distinct @e objects: Safe.@n
@@ -56,7 +55,7 @@ namespace asio {
  * ...
  *
  * // Construct a signal set registered for process termination.
- * asio::signal_set signals(io_context, SIGINT, SIGTERM);
+ * asio::signal_set signals(my_context, SIGINT, SIGTERM);
  *
  * // Start an asynchronous wait for one of the signals to occur.
  * signals.async_wait(handler);
@@ -91,20 +90,40 @@ namespace asio {
  * that any signals registered using signal_set objects are unblocked in at
  * least one thread.
  */
-template <typename SignalSetService = signal_set_service>
+template <typename Executor = executor>
 class basic_signal_set
-  : public basic_io_object<SignalSetService>
 {
 public:
+  /// The type of the executor associated with the object.
+  typedef Executor executor_type;
+
   /// Construct a signal set without adding any signals.
   /**
    * This constructor creates a signal set without registering for any signals.
    *
-   * @param io_context The io_context object that the signal set will use to
-   * dispatch handlers for any asynchronous operations performed on the set.
+   * @param ex The I/O executor that the signal set will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
+   * signal set.
    */
-  explicit basic_signal_set(asio::io_context& io_context)
-    : basic_io_object<SignalSetService>(io_context)
+  explicit basic_signal_set(const executor_type& ex)
+    : impl_(ex)
+  {
+  }
+
+  /// Construct a signal set without adding any signals.
+  /**
+   * This constructor creates a signal set without registering for any signals.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the signal set will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the signal set.
+   */
+  template <typename ExecutionContext>
+  explicit basic_signal_set(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
   {
   }
 
@@ -112,20 +131,47 @@ public:
   /**
    * This constructor creates a signal set and registers for one signal.
    *
-   * @param io_context The io_context object that the signal set will use to
-   * dispatch handlers for any asynchronous operations performed on the set.
+   * @param ex The I/O executor that the signal set will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
+   * signal set.
    *
    * @param signal_number_1 The signal number to be added.
    *
    * @note This constructor is equivalent to performing:
-   * @code asio::signal_set signals(io_context);
+   * @code asio::signal_set signals(ex);
    * signals.add(signal_number_1); @endcode
    */
-  basic_signal_set(asio::io_context& io_context, int signal_number_1)
-    : basic_io_object<SignalSetService>(io_context)
+  basic_signal_set(const executor_type& ex, int signal_number_1)
+    : impl_(ex)
   {
     asio::error_code ec;
-    this->get_service().add(this->get_implementation(), signal_number_1, ec);
+    impl_.get_service().add(impl_.get_implementation(), signal_number_1, ec);
+    asio::detail::throw_error(ec, "add");
+  }
+
+  /// Construct a signal set and add one signal.
+  /**
+   * This constructor creates a signal set and registers for one signal.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the signal set will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the signal set.
+   *
+   * @param signal_number_1 The signal number to be added.
+   *
+   * @note This constructor is equivalent to performing:
+   * @code asio::signal_set signals(context);
+   * signals.add(signal_number_1); @endcode
+   */
+  template <typename ExecutionContext>
+  basic_signal_set(ExecutionContext& context, int signal_number_1,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    impl_.get_service().add(impl_.get_implementation(), signal_number_1, ec);
     asio::detail::throw_error(ec, "add");
   }
 
@@ -133,26 +179,59 @@ public:
   /**
    * This constructor creates a signal set and registers for two signals.
    *
-   * @param io_context The io_context object that the signal set will use to
-   * dispatch handlers for any asynchronous operations performed on the set.
+   * @param ex The I/O executor that the signal set will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
+   * signal set.
    *
    * @param signal_number_1 The first signal number to be added.
    *
    * @param signal_number_2 The second signal number to be added.
    *
    * @note This constructor is equivalent to performing:
-   * @code asio::signal_set signals(io_context);
+   * @code asio::signal_set signals(ex);
    * signals.add(signal_number_1);
    * signals.add(signal_number_2); @endcode
    */
-  basic_signal_set(asio::io_context& io_context, int signal_number_1,
+  basic_signal_set(const executor_type& ex, int signal_number_1,
       int signal_number_2)
-    : basic_io_object<SignalSetService>(io_context)
+    : impl_(ex)
   {
     asio::error_code ec;
-    this->get_service().add(this->get_implementation(), signal_number_1, ec);
+    impl_.get_service().add(impl_.get_implementation(), signal_number_1, ec);
     asio::detail::throw_error(ec, "add");
-    this->get_service().add(this->get_implementation(), signal_number_2, ec);
+    impl_.get_service().add(impl_.get_implementation(), signal_number_2, ec);
+    asio::detail::throw_error(ec, "add");
+  }
+
+  /// Construct a signal set and add two signals.
+  /**
+   * This constructor creates a signal set and registers for two signals.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the signal set will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the signal set.
+   *
+   * @param signal_number_1 The first signal number to be added.
+   *
+   * @param signal_number_2 The second signal number to be added.
+   *
+   * @note This constructor is equivalent to performing:
+   * @code asio::signal_set signals(context);
+   * signals.add(signal_number_1);
+   * signals.add(signal_number_2); @endcode
+   */
+  template <typename ExecutionContext>
+  basic_signal_set(ExecutionContext& context, int signal_number_1,
+      int signal_number_2,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    impl_.get_service().add(impl_.get_implementation(), signal_number_1, ec);
+    asio::detail::throw_error(ec, "add");
+    impl_.get_service().add(impl_.get_implementation(), signal_number_2, ec);
     asio::detail::throw_error(ec, "add");
   }
 
@@ -160,8 +239,9 @@ public:
   /**
    * This constructor creates a signal set and registers for three signals.
    *
-   * @param io_context The io_context object that the signal set will use to
-   * dispatch handlers for any asynchronous operations performed on the set.
+   * @param ex The I/O executor that the signal set will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
+   * signal set.
    *
    * @param signal_number_1 The first signal number to be added.
    *
@@ -170,24 +250,77 @@ public:
    * @param signal_number_3 The third signal number to be added.
    *
    * @note This constructor is equivalent to performing:
-   * @code asio::signal_set signals(io_context);
+   * @code asio::signal_set signals(ex);
    * signals.add(signal_number_1);
    * signals.add(signal_number_2);
    * signals.add(signal_number_3); @endcode
    */
-  basic_signal_set(asio::io_context& io_context, int signal_number_1,
+  basic_signal_set(const executor_type& ex, int signal_number_1,
       int signal_number_2, int signal_number_3)
-    : basic_io_object<SignalSetService>(io_context)
+    : impl_(ex)
   {
     asio::error_code ec;
-    this->get_service().add(this->get_implementation(), signal_number_1, ec);
+    impl_.get_service().add(impl_.get_implementation(), signal_number_1, ec);
     asio::detail::throw_error(ec, "add");
-    this->get_service().add(this->get_implementation(), signal_number_2, ec);
+    impl_.get_service().add(impl_.get_implementation(), signal_number_2, ec);
     asio::detail::throw_error(ec, "add");
-    this->get_service().add(this->get_implementation(), signal_number_3, ec);
+    impl_.get_service().add(impl_.get_implementation(), signal_number_3, ec);
     asio::detail::throw_error(ec, "add");
   }
 
+  /// Construct a signal set and add three signals.
+  /**
+   * This constructor creates a signal set and registers for three signals.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the signal set will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the signal set.
+   *
+   * @param signal_number_1 The first signal number to be added.
+   *
+   * @param signal_number_2 The second signal number to be added.
+   *
+   * @param signal_number_3 The third signal number to be added.
+   *
+   * @note This constructor is equivalent to performing:
+   * @code asio::signal_set signals(context);
+   * signals.add(signal_number_1);
+   * signals.add(signal_number_2);
+   * signals.add(signal_number_3); @endcode
+   */
+  template <typename ExecutionContext>
+  basic_signal_set(ExecutionContext& context, int signal_number_1,
+      int signal_number_2, int signal_number_3,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    impl_.get_service().add(impl_.get_implementation(), signal_number_1, ec);
+    asio::detail::throw_error(ec, "add");
+    impl_.get_service().add(impl_.get_implementation(), signal_number_2, ec);
+    asio::detail::throw_error(ec, "add");
+    impl_.get_service().add(impl_.get_implementation(), signal_number_3, ec);
+    asio::detail::throw_error(ec, "add");
+  }
+
+  /// Destroys the signal set.
+  /**
+   * This function destroys the signal set, cancelling any outstanding
+   * asynchronous wait operations associated with the signal set as if by
+   * calling @c cancel.
+   */
+  ~basic_signal_set()
+  {
+  }
+
+  /// Get the executor associated with the object.
+  executor_type get_executor() ASIO_NOEXCEPT
+  {
+    return impl_.get_executor();
+  }
+
   /// Add a signal to a signal_set.
   /**
    * This function adds the specified signal to the set. It has no effect if the
@@ -200,7 +333,7 @@ public:
   void add(int signal_number)
   {
     asio::error_code ec;
-    this->get_service().add(this->get_implementation(), signal_number, ec);
+    impl_.get_service().add(impl_.get_implementation(), signal_number, ec);
     asio::detail::throw_error(ec, "add");
   }
 
@@ -213,9 +346,10 @@ public:
    *
    * @param ec Set to indicate what error occurred, if any.
    */
-  ASIO_SYNC_OP_VOID add(int signal_number, asio::error_code& ec)
+  ASIO_SYNC_OP_VOID add(int signal_number,
+      asio::error_code& ec)
   {
-    this->get_service().add(this->get_implementation(), signal_number, ec);
+    impl_.get_service().add(impl_.get_implementation(), signal_number, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -234,7 +368,7 @@ public:
   void remove(int signal_number)
   {
     asio::error_code ec;
-    this->get_service().remove(this->get_implementation(), signal_number, ec);
+    impl_.get_service().remove(impl_.get_implementation(), signal_number, ec);
     asio::detail::throw_error(ec, "remove");
   }
 
@@ -253,7 +387,7 @@ public:
   ASIO_SYNC_OP_VOID remove(int signal_number,
       asio::error_code& ec)
   {
-    this->get_service().remove(this->get_implementation(), signal_number, ec);
+    impl_.get_service().remove(impl_.get_implementation(), signal_number, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -269,7 +403,7 @@ public:
   void clear()
   {
     asio::error_code ec;
-    this->get_service().clear(this->get_implementation(), ec);
+    impl_.get_service().clear(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "clear");
   }
 
@@ -284,7 +418,7 @@ public:
    */
   ASIO_SYNC_OP_VOID clear(asio::error_code& ec)
   {
-    this->get_service().clear(this->get_implementation(), ec);
+    impl_.get_service().clear(impl_.get_implementation(), ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -312,7 +446,7 @@ public:
   void cancel()
   {
     asio::error_code ec;
-    this->get_service().cancel(this->get_implementation(), ec);
+    impl_.get_service().cancel(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "cancel");
   }
 
@@ -339,7 +473,7 @@ public:
    */
   ASIO_SYNC_OP_VOID cancel(asio::error_code& ec)
   {
-    this->get_service().cancel(this->get_implementation(), ec);
+    impl_.get_service().cancel(impl_.get_implementation(), ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -364,28 +498,44 @@ public:
    *   int signal_number // Indicates which signal occurred.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    */
   template <typename SignalHandler>
   ASIO_INITFN_RESULT_TYPE(SignalHandler,
       void (asio::error_code, int))
   async_wait(ASIO_MOVE_ARG(SignalHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a SignalHandler.
-    ASIO_SIGNAL_HANDLER_CHECK(SignalHandler, handler) type_check;
-
-    return this->get_service().async_wait(this->get_implementation(),
-        ASIO_MOVE_CAST(SignalHandler)(handler));
+    return async_initiate<SignalHandler, void (asio::error_code, int)>(
+        initiate_async_wait(), handler, this);
   }
+
+private:
+  // Disallow copying and assignment.
+  basic_signal_set(const basic_signal_set&) ASIO_DELETED;
+  basic_signal_set& operator=(const basic_signal_set&) ASIO_DELETED;
+
+  struct initiate_async_wait
+  {
+    template <typename SignalHandler>
+    void operator()(ASIO_MOVE_ARG(SignalHandler) handler,
+        basic_signal_set* self) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a SignalHandler.
+      ASIO_SIGNAL_HANDLER_CHECK(SignalHandler, handler) type_check;
+
+      detail::non_const_lvalue<SignalHandler> handler2(handler);
+      self->impl_.get_service().async_wait(
+          self->impl_.get_implementation(), handler2.value,
+          self->impl_.get_implementation_executor());
+    }
+  };
+
+  detail::io_object_impl<detail::signal_set_service, Executor> impl_;
 };
 
 } // namespace asio
 
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #endif // ASIO_BASIC_SIGNAL_SET_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_socket.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_socket.hpp
index 0d1b0d2..53252d1 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_socket.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_socket.hpp
@@ -2,7 +2,7 @@
 // basic_socket.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -17,35 +17,42 @@
 
 #include "asio/detail/config.hpp"
 #include "asio/async_result.hpp"
-#include "asio/basic_io_object.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/io_object_impl.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
 #include "asio/detail/throw_error.hpp"
 #include "asio/detail/type_traits.hpp"
 #include "asio/error.hpp"
+#include "asio/execution_context.hpp"
+#include "asio/executor.hpp"
 #include "asio/post.hpp"
 #include "asio/socket_base.hpp"
 
+#if defined(ASIO_WINDOWS_RUNTIME)
+# include "asio/detail/null_socket_service.hpp"
+#elif defined(ASIO_HAS_IOCP)
+# include "asio/detail/win_iocp_socket_service.hpp"
+#else
+# include "asio/detail/reactive_socket_service.hpp"
+#endif
+
 #if defined(ASIO_HAS_MOVE)
 # include <utility>
 #endif // defined(ASIO_HAS_MOVE)
 
-#if !defined(ASIO_ENABLE_OLD_SERVICES)
-# if defined(ASIO_WINDOWS_RUNTIME)
-#  include "asio/detail/winrt_ssocket_service.hpp"
-#  define ASIO_SVC_T detail::winrt_ssocket_service<Protocol>
-# elif defined(ASIO_HAS_IOCP)
-#  include "asio/detail/win_iocp_socket_service.hpp"
-#  define ASIO_SVC_T detail::win_iocp_socket_service<Protocol>
-# else
-#  include "asio/detail/reactive_socket_service.hpp"
-#  define ASIO_SVC_T detail::reactive_socket_service<Protocol>
-# endif
-#endif // !defined(ASIO_ENABLE_OLD_SERVICES)
-
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
 
+#if !defined(ASIO_BASIC_SOCKET_FWD_DECL)
+#define ASIO_BASIC_SOCKET_FWD_DECL
+
+// Forward declaration with defaulted arguments.
+template <typename Protocol, typename Executor = executor>
+class basic_socket;
+
+#endif // !defined(ASIO_BASIC_SOCKET_FWD_DECL)
+
 /// Provides socket functionality.
 /**
  * The basic_socket class template provides functionality that is common to both
@@ -55,20 +62,34 @@ namespace asio {
  * @e Distinct @e objects: Safe.@n
  * @e Shared @e objects: Unsafe.
  */
-template <typename Protocol ASIO_SVC_TPARAM>
+template <typename Protocol, typename Executor>
 class basic_socket
-  : ASIO_SVC_ACCESS basic_io_object<ASIO_SVC_T>,
-    public socket_base
+  : public socket_base
 {
 public:
   /// The type of the executor associated with the object.
-  typedef io_context::executor_type executor_type;
+  typedef Executor executor_type;
+
+  /// Rebinds the socket type to another executor.
+  template <typename Executor1>
+  struct rebind_executor
+  {
+    /// The socket type when rebound to the specified executor.
+    typedef basic_socket<Protocol, Executor1> other;
+  };
 
   /// The native representation of a socket.
 #if defined(GENERATING_DOCUMENTATION)
   typedef implementation_defined native_handle_type;
+#elif defined(ASIO_WINDOWS_RUNTIME)
+  typedef typename detail::null_socket_service<
+    Protocol>::native_handle_type native_handle_type;
+#elif defined(ASIO_HAS_IOCP)
+  typedef typename detail::win_iocp_socket_service<
+    Protocol>::native_handle_type native_handle_type;
 #else
-  typedef typename ASIO_SVC_T::native_handle_type native_handle_type;
+  typedef typename detail::reactive_socket_service<
+    Protocol>::native_handle_type native_handle_type;
 #endif
 
   /// The protocol type.
@@ -79,18 +100,35 @@ public:
 
 #if !defined(ASIO_NO_EXTENSIONS)
   /// A basic_socket is always the lowest layer.
-  typedef basic_socket<Protocol ASIO_SVC_TARG> lowest_layer_type;
+  typedef basic_socket<Protocol, Executor> lowest_layer_type;
 #endif // !defined(ASIO_NO_EXTENSIONS)
 
   /// Construct a basic_socket without opening it.
   /**
    * This constructor creates a socket without opening it.
    *
-   * @param io_context The io_context object that the socket will use to
+   * @param ex The I/O executor that the socket will use, by default, to
    * dispatch handlers for any asynchronous operations performed on the socket.
    */
-  explicit basic_socket(asio::io_context& io_context)
-    : basic_io_object<ASIO_SVC_T>(io_context)
+  explicit basic_socket(const executor_type& ex)
+    : impl_(ex)
+  {
+  }
+
+  /// Construct a basic_socket without opening it.
+  /**
+   * This constructor creates a socket without opening it.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   */
+  template <typename ExecutionContext>
+  explicit basic_socket(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
   {
   }
 
@@ -98,19 +136,42 @@ public:
   /**
    * This constructor creates and opens a socket.
    *
-   * @param io_context The io_context object that the socket will use to
+   * @param ex The I/O executor that the socket will use, by default, to
    * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param protocol An object specifying protocol parameters to be used.
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_socket(asio::io_context& io_context,
-      const protocol_type& protocol)
-    : basic_io_object<ASIO_SVC_T>(io_context)
+  basic_socket(const executor_type& ex, const protocol_type& protocol)
+    : impl_(ex)
   {
     asio::error_code ec;
-    this->get_service().open(this->get_implementation(), protocol, ec);
+    impl_.get_service().open(impl_.get_implementation(), protocol, ec);
+    asio::detail::throw_error(ec, "open");
+  }
+
+  /// Construct and open a basic_socket.
+  /**
+   * This constructor creates and opens a socket.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_socket(ExecutionContext& context, const protocol_type& protocol,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    impl_.get_service().open(impl_.get_implementation(), protocol, ec);
     asio::detail::throw_error(ec, "open");
   }
 
@@ -121,7 +182,7 @@ public:
    * specified endpoint on the local machine. The protocol used is the protocol
    * associated with the given endpoint.
    *
-   * @param io_context The io_context object that the socket will use to
+   * @param ex The I/O executor that the socket will use, by default, to
    * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param endpoint An endpoint on the local machine to which the socket will
@@ -129,15 +190,45 @@ public:
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_socket(asio::io_context& io_context,
-      const endpoint_type& endpoint)
-    : basic_io_object<ASIO_SVC_T>(io_context)
+  basic_socket(const executor_type& ex, const endpoint_type& endpoint)
+    : impl_(ex)
   {
     asio::error_code ec;
     const protocol_type protocol = endpoint.protocol();
-    this->get_service().open(this->get_implementation(), protocol, ec);
+    impl_.get_service().open(impl_.get_implementation(), protocol, ec);
     asio::detail::throw_error(ec, "open");
-    this->get_service().bind(this->get_implementation(), endpoint, ec);
+    impl_.get_service().bind(impl_.get_implementation(), endpoint, ec);
+    asio::detail::throw_error(ec, "bind");
+  }
+
+  /// Construct a basic_socket, opening it and binding it to the given local
+  /// endpoint.
+  /**
+   * This constructor creates a socket and automatically opens it bound to the
+   * specified endpoint on the local machine. The protocol used is the protocol
+   * associated with the given endpoint.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param endpoint An endpoint on the local machine to which the socket will
+   * be bound.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_socket(ExecutionContext& context, const endpoint_type& endpoint,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    const protocol_type protocol = endpoint.protocol();
+    impl_.get_service().open(impl_.get_implementation(), protocol, ec);
+    asio::detail::throw_error(ec, "open");
+    impl_.get_service().bind(impl_.get_implementation(), endpoint, ec);
     asio::detail::throw_error(ec, "bind");
   }
 
@@ -145,7 +236,7 @@ public:
   /**
    * This constructor creates a socket object to hold an existing native socket.
    *
-   * @param io_context The io_context object that the socket will use to
+   * @param ex The I/O executor that the socket will use, by default, to
    * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param protocol An object specifying protocol parameters to be used.
@@ -154,12 +245,40 @@ public:
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_socket(asio::io_context& io_context,
-      const protocol_type& protocol, const native_handle_type& native_socket)
-    : basic_io_object<ASIO_SVC_T>(io_context)
+  basic_socket(const executor_type& ex, const protocol_type& protocol,
+      const native_handle_type& native_socket)
+    : impl_(ex)
   {
     asio::error_code ec;
-    this->get_service().assign(this->get_implementation(),
+    impl_.get_service().assign(impl_.get_implementation(),
+        protocol, native_socket, ec);
+    asio::detail::throw_error(ec, "assign");
+  }
+
+  /// Construct a basic_socket on an existing native socket.
+  /**
+   * This constructor creates a socket object to hold an existing native socket.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @param native_socket A native socket.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_socket(ExecutionContext& context, const protocol_type& protocol,
+      const native_handle_type& native_socket,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    impl_.get_service().assign(impl_.get_implementation(),
         protocol, native_socket, ec);
     asio::detail::throw_error(ec, "assign");
   }
@@ -173,10 +292,10 @@ public:
    * occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_socket(io_context&) constructor.
+   * constructed using the @c basic_socket(const executor_type&) constructor.
    */
   basic_socket(basic_socket&& other)
-    : basic_io_object<ASIO_SVC_T>(std::move(other))
+    : impl_(std::move(other.impl_))
   {
   }
 
@@ -188,16 +307,16 @@ public:
    * occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_socket(io_context&) constructor.
+   * constructed using the @c basic_socket(const executor_type&) constructor.
    */
   basic_socket& operator=(basic_socket&& other)
   {
-    basic_io_object<ASIO_SVC_T>::operator=(std::move(other));
+    impl_ = std::move(other.impl_);
     return *this;
   }
 
   // All sockets have access to each other's implementations.
-  template <typename Protocol1 ASIO_SVC_TPARAM1>
+  template <typename Protocol1, typename Executor1>
   friend class basic_socket;
 
   /// Move-construct a basic_socket from a socket of another protocol type.
@@ -208,13 +327,15 @@ public:
    * occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_socket(io_context&) constructor.
+   * constructed using the @c basic_socket(const executor_type&) constructor.
    */
-  template <typename Protocol1 ASIO_SVC_TPARAM1>
-  basic_socket(basic_socket<Protocol1 ASIO_SVC_TARG1>&& other,
-      typename enable_if<is_convertible<Protocol1, Protocol>::value>::type* = 0)
-    : basic_io_object<ASIO_SVC_T>(
-        other.get_service(), other.get_implementation())
+  template <typename Protocol1, typename Executor1>
+  basic_socket(basic_socket<Protocol1, Executor1>&& other,
+      typename enable_if<
+        is_convertible<Protocol1, Protocol>::value
+          && is_convertible<Executor1, Executor>::value
+      >::type* = 0)
+    : impl_(std::move(other.impl_))
   {
   }
 
@@ -226,58 +347,26 @@ public:
    * occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_socket(io_context&) constructor.
+   * constructed using the @c basic_socket(const executor_type&) constructor.
    */
-  template <typename Protocol1 ASIO_SVC_TPARAM1>
-  typename enable_if<is_convertible<Protocol1, Protocol>::value,
-      basic_socket>::type& operator=(
-        basic_socket<Protocol1 ASIO_SVC_TARG1>&& other)
+  template <typename Protocol1, typename Executor1>
+  typename enable_if<
+    is_convertible<Protocol1, Protocol>::value
+      && is_convertible<Executor1, Executor>::value,
+    basic_socket&
+  >::type operator=(basic_socket<Protocol1, Executor1> && other)
   {
     basic_socket tmp(std::move(other));
-    basic_io_object<ASIO_SVC_T>::operator=(std::move(tmp));
+    impl_ = std::move(tmp.impl_);
     return *this;
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-  // These functions are provided by basic_io_object<>.
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-#if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_context()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_context();
-  }
-
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_service()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_service();
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
   /// Get the executor associated with the object.
   executor_type get_executor() ASIO_NOEXCEPT
   {
-    return basic_io_object<ASIO_SVC_T>::get_executor();
+    return impl_.get_executor();
   }
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
 
 #if !defined(ASIO_NO_EXTENSIONS)
   /// Get a reference to the lowest layer.
@@ -319,14 +408,14 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * socket.open(asio::ip::tcp::v4());
    * @endcode
    */
   void open(const protocol_type& protocol = protocol_type())
   {
     asio::error_code ec;
-    this->get_service().open(this->get_implementation(), protocol, ec);
+    impl_.get_service().open(impl_.get_implementation(), protocol, ec);
     asio::detail::throw_error(ec, "open");
   }
 
@@ -340,7 +429,7 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * asio::error_code ec;
    * socket.open(asio::ip::tcp::v4(), ec);
    * if (ec)
@@ -352,7 +441,7 @@ public:
   ASIO_SYNC_OP_VOID open(const protocol_type& protocol,
       asio::error_code& ec)
   {
-    this->get_service().open(this->get_implementation(), protocol, ec);
+    impl_.get_service().open(impl_.get_implementation(), protocol, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -370,7 +459,7 @@ public:
       const native_handle_type& native_socket)
   {
     asio::error_code ec;
-    this->get_service().assign(this->get_implementation(),
+    impl_.get_service().assign(impl_.get_implementation(),
         protocol, native_socket, ec);
     asio::detail::throw_error(ec, "assign");
   }
@@ -388,7 +477,7 @@ public:
   ASIO_SYNC_OP_VOID assign(const protocol_type& protocol,
       const native_handle_type& native_socket, asio::error_code& ec)
   {
-    this->get_service().assign(this->get_implementation(),
+    impl_.get_service().assign(impl_.get_implementation(),
         protocol, native_socket, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
@@ -396,7 +485,7 @@ public:
   /// Determine whether the socket is open.
   bool is_open() const
   {
-    return this->get_service().is_open(this->get_implementation());
+    return impl_.get_service().is_open(impl_.get_implementation());
   }
 
   /// Close the socket.
@@ -414,7 +503,7 @@ public:
   void close()
   {
     asio::error_code ec;
-    this->get_service().close(this->get_implementation(), ec);
+    impl_.get_service().close(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "close");
   }
 
@@ -429,7 +518,7 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::error_code ec;
    * socket.close(ec);
@@ -444,7 +533,7 @@ public:
    */
   ASIO_SYNC_OP_VOID close(asio::error_code& ec)
   {
-    this->get_service().close(this->get_implementation(), ec);
+    impl_.get_service().close(impl_.get_implementation(), ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -470,8 +559,8 @@ public:
   native_handle_type release()
   {
     asio::error_code ec;
-    native_handle_type s = this->get_service().release(
-        this->get_implementation(), ec);
+    native_handle_type s = impl_.get_service().release(
+        impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "release");
     return s;
   }
@@ -497,7 +586,7 @@ public:
 #endif
   native_handle_type release(asio::error_code& ec)
   {
-    return this->get_service().release(this->get_implementation(), ec);
+    return impl_.get_service().release(impl_.get_implementation(), ec);
   }
 
   /// Get the native socket representation.
@@ -508,7 +597,7 @@ public:
    */
   native_handle_type native_handle()
   {
-    return this->get_service().native_handle(this->get_implementation());
+    return impl_.get_service().native_handle(impl_.get_implementation());
   }
 
   /// Cancel all asynchronous operations associated with the socket.
@@ -555,7 +644,7 @@ public:
   void cancel()
   {
     asio::error_code ec;
-    this->get_service().cancel(this->get_implementation(), ec);
+    impl_.get_service().cancel(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "cancel");
   }
 
@@ -602,7 +691,7 @@ public:
 #endif
   ASIO_SYNC_OP_VOID cancel(asio::error_code& ec)
   {
-    this->get_service().cancel(this->get_implementation(), ec);
+    impl_.get_service().cancel(impl_.get_implementation(), ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -619,7 +708,7 @@ public:
   bool at_mark() const
   {
     asio::error_code ec;
-    bool b = this->get_service().at_mark(this->get_implementation(), ec);
+    bool b = impl_.get_service().at_mark(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "at_mark");
     return b;
   }
@@ -636,7 +725,7 @@ public:
    */
   bool at_mark(asio::error_code& ec) const
   {
-    return this->get_service().at_mark(this->get_implementation(), ec);
+    return impl_.get_service().at_mark(impl_.get_implementation(), ec);
   }
 
   /// Determine the number of bytes available for reading.
@@ -652,8 +741,8 @@ public:
   std::size_t available() const
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().available(
-        this->get_implementation(), ec);
+    std::size_t s = impl_.get_service().available(
+        impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "available");
     return s;
   }
@@ -670,7 +759,7 @@ public:
    */
   std::size_t available(asio::error_code& ec) const
   {
-    return this->get_service().available(this->get_implementation(), ec);
+    return impl_.get_service().available(impl_.get_implementation(), ec);
   }
 
   /// Bind the socket to the given local endpoint.
@@ -685,7 +774,7 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * socket.open(asio::ip::tcp::v4());
    * socket.bind(asio::ip::tcp::endpoint(
    *       asio::ip::tcp::v4(), 12345));
@@ -694,7 +783,7 @@ public:
   void bind(const endpoint_type& endpoint)
   {
     asio::error_code ec;
-    this->get_service().bind(this->get_implementation(), endpoint, ec);
+    impl_.get_service().bind(impl_.get_implementation(), endpoint, ec);
     asio::detail::throw_error(ec, "bind");
   }
 
@@ -710,7 +799,7 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * socket.open(asio::ip::tcp::v4());
    * asio::error_code ec;
    * socket.bind(asio::ip::tcp::endpoint(
@@ -724,7 +813,7 @@ public:
   ASIO_SYNC_OP_VOID bind(const endpoint_type& endpoint,
       asio::error_code& ec)
   {
-    this->get_service().bind(this->get_implementation(), endpoint, ec);
+    impl_.get_service().bind(impl_.get_implementation(), endpoint, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -745,7 +834,7 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * asio::ip::tcp::endpoint endpoint(
    *     asio::ip::address::from_string("1.2.3.4"), 12345);
    * socket.connect(endpoint);
@@ -756,11 +845,11 @@ public:
     asio::error_code ec;
     if (!is_open())
     {
-      this->get_service().open(this->get_implementation(),
+      impl_.get_service().open(impl_.get_implementation(),
           peer_endpoint.protocol(), ec);
       asio::detail::throw_error(ec, "connect");
     }
-    this->get_service().connect(this->get_implementation(), peer_endpoint, ec);
+    impl_.get_service().connect(impl_.get_implementation(), peer_endpoint, ec);
     asio::detail::throw_error(ec, "connect");
   }
 
@@ -781,7 +870,7 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * asio::ip::tcp::endpoint endpoint(
    *     asio::ip::address::from_string("1.2.3.4"), 12345);
    * asio::error_code ec;
@@ -797,7 +886,7 @@ public:
   {
     if (!is_open())
     {
-      this->get_service().open(this->get_implementation(),
+      impl_.get_service().open(impl_.get_implementation(),
             peer_endpoint.protocol(), ec);
       if (ec)
       {
@@ -805,7 +894,7 @@ public:
       }
     }
 
-    this->get_service().connect(this->get_implementation(), peer_endpoint, ec);
+    impl_.get_service().connect(impl_.get_implementation(), peer_endpoint, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -828,9 +917,9 @@ public:
    *   const asio::error_code& error // Result of operation
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @par Example
    * @code
@@ -844,7 +933,7 @@ public:
    *
    * ...
    *
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * asio::ip::tcp::endpoint endpoint(
    *     asio::ip::address::from_string("1.2.3.4"), 12345);
    * socket.async_connect(endpoint, connect_handler);
@@ -856,44 +945,15 @@ public:
   async_connect(const endpoint_type& peer_endpoint,
       ASIO_MOVE_ARG(ConnectHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ConnectHandler.
-    ASIO_CONNECT_HANDLER_CHECK(ConnectHandler, handler) type_check;
-
+    asio::error_code open_ec;
     if (!is_open())
     {
-      asio::error_code ec;
       const protocol_type protocol = peer_endpoint.protocol();
-      this->get_service().open(this->get_implementation(), protocol, ec);
-      if (!ec)
-	async_connect_post_open(protocol, ec);
-      if (ec)
-      {
-        async_completion<ConnectHandler,
-          void (asio::error_code)> init(handler);
-
-        asio::post(this->get_executor(),
-            asio::detail::bind_handler(
-              ASIO_MOVE_CAST(ASIO_HANDLER_TYPE(
-                ConnectHandler, void (asio::error_code)))(
-                  init.completion_handler), ec));
-
-        return init.result.get();
-      }
+      impl_.get_service().open(impl_.get_implementation(), protocol, open_ec);
     }
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_connect(this->get_implementation(),
-        peer_endpoint, ASIO_MOVE_CAST(ConnectHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ConnectHandler,
-      void (asio::error_code)> init(handler);
-
-    this->get_service().async_connect(
-        this->get_implementation(), peer_endpoint, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ConnectHandler, void (asio::error_code)>(
+        initiate_async_connect(), handler, this, peer_endpoint, open_ec);
   }
 
   /// Set an option on the socket.
@@ -924,7 +984,7 @@ public:
    * @par Example
    * Setting the IPPROTO_TCP/TCP_NODELAY option:
    * @code
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::ip::tcp::no_delay option(true);
    * socket.set_option(option);
@@ -934,7 +994,7 @@ public:
   void set_option(const SettableSocketOption& option)
   {
     asio::error_code ec;
-    this->get_service().set_option(this->get_implementation(), option, ec);
+    impl_.get_service().set_option(impl_.get_implementation(), option, ec);
     asio::detail::throw_error(ec, "set_option");
   }
 
@@ -966,7 +1026,7 @@ public:
    * @par Example
    * Setting the IPPROTO_TCP/TCP_NODELAY option:
    * @code
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::ip::tcp::no_delay option(true);
    * asio::error_code ec;
@@ -981,7 +1041,7 @@ public:
   ASIO_SYNC_OP_VOID set_option(const SettableSocketOption& option,
       asio::error_code& ec)
   {
-    this->get_service().set_option(this->get_implementation(), option, ec);
+    impl_.get_service().set_option(impl_.get_implementation(), option, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -1013,7 +1073,7 @@ public:
    * @par Example
    * Getting the value of the SOL_SOCKET/SO_KEEPALIVE option:
    * @code
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::ip::tcp::socket::keep_alive option;
    * socket.get_option(option);
@@ -1024,7 +1084,7 @@ public:
   void get_option(GettableSocketOption& option) const
   {
     asio::error_code ec;
-    this->get_service().get_option(this->get_implementation(), option, ec);
+    impl_.get_service().get_option(impl_.get_implementation(), option, ec);
     asio::detail::throw_error(ec, "get_option");
   }
 
@@ -1056,7 +1116,7 @@ public:
    * @par Example
    * Getting the value of the SOL_SOCKET/SO_KEEPALIVE option:
    * @code
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::ip::tcp::socket::keep_alive option;
    * asio::error_code ec;
@@ -1072,7 +1132,7 @@ public:
   ASIO_SYNC_OP_VOID get_option(GettableSocketOption& option,
       asio::error_code& ec) const
   {
-    this->get_service().get_option(this->get_implementation(), option, ec);
+    impl_.get_service().get_option(impl_.get_implementation(), option, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -1091,7 +1151,7 @@ public:
    * @par Example
    * Getting the number of bytes ready to read:
    * @code
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::ip::tcp::socket::bytes_readable command;
    * socket.io_control(command);
@@ -1102,7 +1162,7 @@ public:
   void io_control(IoControlCommand& command)
   {
     asio::error_code ec;
-    this->get_service().io_control(this->get_implementation(), command, ec);
+    impl_.get_service().io_control(impl_.get_implementation(), command, ec);
     asio::detail::throw_error(ec, "io_control");
   }
 
@@ -1121,7 +1181,7 @@ public:
    * @par Example
    * Getting the number of bytes ready to read:
    * @code
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::ip::tcp::socket::bytes_readable command;
    * asio::error_code ec;
@@ -1137,7 +1197,7 @@ public:
   ASIO_SYNC_OP_VOID io_control(IoControlCommand& command,
       asio::error_code& ec)
   {
-    this->get_service().io_control(this->get_implementation(), command, ec);
+    impl_.get_service().io_control(impl_.get_implementation(), command, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -1154,7 +1214,7 @@ public:
    */
   bool non_blocking() const
   {
-    return this->get_service().non_blocking(this->get_implementation());
+    return impl_.get_service().non_blocking(impl_.get_implementation());
   }
 
   /// Sets the non-blocking mode of the socket.
@@ -1173,7 +1233,7 @@ public:
   void non_blocking(bool mode)
   {
     asio::error_code ec;
-    this->get_service().non_blocking(this->get_implementation(), mode, ec);
+    impl_.get_service().non_blocking(impl_.get_implementation(), mode, ec);
     asio::detail::throw_error(ec, "non_blocking");
   }
 
@@ -1193,7 +1253,7 @@ public:
   ASIO_SYNC_OP_VOID non_blocking(
       bool mode, asio::error_code& ec)
   {
-    this->get_service().non_blocking(this->get_implementation(), mode, ec);
+    impl_.get_service().non_blocking(impl_.get_implementation(), mode, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -1283,7 +1343,7 @@ public:
    */
   bool native_non_blocking() const
   {
-    return this->get_service().native_non_blocking(this->get_implementation());
+    return impl_.get_service().native_non_blocking(impl_.get_implementation());
   }
 
   /// Sets the non-blocking mode of the native socket implementation.
@@ -1374,8 +1434,8 @@ public:
   void native_non_blocking(bool mode)
   {
     asio::error_code ec;
-    this->get_service().native_non_blocking(
-        this->get_implementation(), mode, ec);
+    impl_.get_service().native_non_blocking(
+        impl_.get_implementation(), mode, ec);
     asio::detail::throw_error(ec, "native_non_blocking");
   }
 
@@ -1467,8 +1527,8 @@ public:
   ASIO_SYNC_OP_VOID native_non_blocking(
       bool mode, asio::error_code& ec)
   {
-    this->get_service().native_non_blocking(
-        this->get_implementation(), mode, ec);
+    impl_.get_service().native_non_blocking(
+        impl_.get_implementation(), mode, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -1482,7 +1542,7 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::ip::tcp::endpoint endpoint = socket.local_endpoint();
    * @endcode
@@ -1490,8 +1550,8 @@ public:
   endpoint_type local_endpoint() const
   {
     asio::error_code ec;
-    endpoint_type ep = this->get_service().local_endpoint(
-        this->get_implementation(), ec);
+    endpoint_type ep = impl_.get_service().local_endpoint(
+        impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "local_endpoint");
     return ep;
   }
@@ -1507,7 +1567,7 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::error_code ec;
    * asio::ip::tcp::endpoint endpoint = socket.local_endpoint(ec);
@@ -1519,7 +1579,7 @@ public:
    */
   endpoint_type local_endpoint(asio::error_code& ec) const
   {
-    return this->get_service().local_endpoint(this->get_implementation(), ec);
+    return impl_.get_service().local_endpoint(impl_.get_implementation(), ec);
   }
 
   /// Get the remote endpoint of the socket.
@@ -1532,7 +1592,7 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::ip::tcp::endpoint endpoint = socket.remote_endpoint();
    * @endcode
@@ -1540,8 +1600,8 @@ public:
   endpoint_type remote_endpoint() const
   {
     asio::error_code ec;
-    endpoint_type ep = this->get_service().remote_endpoint(
-        this->get_implementation(), ec);
+    endpoint_type ep = impl_.get_service().remote_endpoint(
+        impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "remote_endpoint");
     return ep;
   }
@@ -1557,7 +1617,7 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::error_code ec;
    * asio::ip::tcp::endpoint endpoint = socket.remote_endpoint(ec);
@@ -1569,7 +1629,7 @@ public:
    */
   endpoint_type remote_endpoint(asio::error_code& ec) const
   {
-    return this->get_service().remote_endpoint(this->get_implementation(), ec);
+    return impl_.get_service().remote_endpoint(impl_.get_implementation(), ec);
   }
 
   /// Disable sends or receives on the socket.
@@ -1584,7 +1644,7 @@ public:
    * @par Example
    * Shutting down the send side of the socket:
    * @code
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * socket.shutdown(asio::ip::tcp::socket::shutdown_send);
    * @endcode
@@ -1592,7 +1652,7 @@ public:
   void shutdown(shutdown_type what)
   {
     asio::error_code ec;
-    this->get_service().shutdown(this->get_implementation(), what, ec);
+    impl_.get_service().shutdown(impl_.get_implementation(), what, ec);
     asio::detail::throw_error(ec, "shutdown");
   }
 
@@ -1608,7 +1668,7 @@ public:
    * @par Example
    * Shutting down the send side of the socket:
    * @code
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::error_code ec;
    * socket.shutdown(asio::ip::tcp::socket::shutdown_send, ec);
@@ -1621,7 +1681,7 @@ public:
   ASIO_SYNC_OP_VOID shutdown(shutdown_type what,
       asio::error_code& ec)
   {
-    this->get_service().shutdown(this->get_implementation(), what, ec);
+    impl_.get_service().shutdown(impl_.get_implementation(), what, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -1636,7 +1696,7 @@ public:
    * @par Example
    * Waiting for a socket to become readable.
    * @code
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * socket.wait(asio::ip::tcp::socket::wait_read);
    * @endcode
@@ -1644,7 +1704,7 @@ public:
   void wait(wait_type w)
   {
     asio::error_code ec;
-    this->get_service().wait(this->get_implementation(), w, ec);
+    impl_.get_service().wait(impl_.get_implementation(), w, ec);
     asio::detail::throw_error(ec, "wait");
   }
 
@@ -1661,7 +1721,7 @@ public:
    * @par Example
    * Waiting for a socket to become readable.
    * @code
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::error_code ec;
    * socket.wait(asio::ip::tcp::socket::wait_read, ec);
@@ -1669,7 +1729,7 @@ public:
    */
   ASIO_SYNC_OP_VOID wait(wait_type w, asio::error_code& ec)
   {
-    this->get_service().wait(this->get_implementation(), w, ec);
+    impl_.get_service().wait(impl_.get_implementation(), w, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -1688,9 +1748,9 @@ public:
    *   const asio::error_code& error // Result of operation
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @par Example
    * @code
@@ -1704,7 +1764,7 @@ public:
    *
    * ...
    *
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * socket.async_wait(asio::ip::tcp::socket::wait_read, wait_handler);
    * @endcode
@@ -1714,22 +1774,8 @@ public:
       void (asio::error_code))
   async_wait(wait_type w, ASIO_MOVE_ARG(WaitHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WaitHandler.
-    ASIO_WAIT_HANDLER_CHECK(WaitHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_wait(this->get_implementation(),
-        w, ASIO_MOVE_CAST(WaitHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WaitHandler,
-      void (asio::error_code)> init(handler);
-
-    this->get_service().async_wait(this->get_implementation(),
-        w, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WaitHandler, void (asio::error_code)>(
+        initiate_async_wait(), handler, this, w);
   }
 
 protected:
@@ -1742,6 +1788,17 @@ protected:
   {
   }
 
+#if defined(ASIO_WINDOWS_RUNTIME)
+  detail::io_object_impl<
+    detail::null_socket_service<Protocol>, Executor> impl_;
+#elif defined(ASIO_HAS_IOCP)
+  detail::io_object_impl<
+    detail::win_iocp_socket_service<Protocol>, Executor> impl_;
+#else
+  detail::io_object_impl<
+    detail::reactive_socket_service<Protocol>, Executor> impl_;
+#endif
+
 private:
   // optional user code hook immediately after socket open in async_connect
   virtual void async_connect_post_open(const protocol_type& protocol, asio::error_code& ec)
@@ -1751,14 +1808,54 @@ private:
   // Disallow copying and assignment.
   basic_socket(const basic_socket&) ASIO_DELETED;
   basic_socket& operator=(const basic_socket&) ASIO_DELETED;
+
+  struct initiate_async_connect
+  {
+    template <typename ConnectHandler>
+    void operator()(ASIO_MOVE_ARG(ConnectHandler) handler,
+        basic_socket* self, const endpoint_type& peer_endpoint,
+        const asio::error_code& open_ec) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ConnectHandler.
+      ASIO_CONNECT_HANDLER_CHECK(ConnectHandler, handler) type_check;
+
+      if (open_ec)
+      {
+          asio::post(self->impl_.get_executor(),
+              asio::detail::bind_handler(
+                ASIO_MOVE_CAST(ConnectHandler)(handler), open_ec));
+      }
+      else
+      {
+        detail::non_const_lvalue<ConnectHandler> handler2(handler);
+        self->impl_.get_service().async_connect(
+            self->impl_.get_implementation(), peer_endpoint,
+            handler2.value, self->impl_.get_implementation_executor());
+      }
+    }
+  };
+
+  struct initiate_async_wait
+  {
+    template <typename WaitHandler>
+    void operator()(ASIO_MOVE_ARG(WaitHandler) handler,
+        basic_socket* self, wait_type w) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WaitHandler.
+      ASIO_WAIT_HANDLER_CHECK(WaitHandler, handler) type_check;
+
+      detail::non_const_lvalue<WaitHandler> handler2(handler);
+      self->impl_.get_service().async_wait(
+          self->impl_.get_implementation(), w, handler2.value,
+          self->impl_.get_implementation_executor());
+    }
+  };
 };
 
 } // namespace asio
 
 #include "asio/detail/pop_options.hpp"
 
-#if !defined(ASIO_ENABLE_OLD_SERVICES)
-# undef ASIO_SVC_T
-#endif // !defined(ASIO_ENABLE_OLD_SERVICES)
-
 #endif // ASIO_BASIC_SOCKET_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_socket_acceptor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_socket_acceptor.hpp
index dab58ad..87f24c2 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_socket_acceptor.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_socket_acceptor.hpp
@@ -2,7 +2,7 @@
 // basic_socket_acceptor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -16,37 +16,42 @@
 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
 
 #include "asio/detail/config.hpp"
-#include "asio/basic_io_object.hpp"
 #include "asio/basic_socket.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/io_object_impl.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
 #include "asio/detail/throw_error.hpp"
 #include "asio/detail/type_traits.hpp"
 #include "asio/error.hpp"
+#include "asio/execution_context.hpp"
+#include "asio/executor.hpp"
 #include "asio/socket_base.hpp"
 
+#if defined(ASIO_WINDOWS_RUNTIME)
+# include "asio/detail/null_socket_service.hpp"
+#elif defined(ASIO_HAS_IOCP)
+# include "asio/detail/win_iocp_socket_service.hpp"
+#else
+# include "asio/detail/reactive_socket_service.hpp"
+#endif
+
 #if defined(ASIO_HAS_MOVE)
 # include <utility>
 #endif // defined(ASIO_HAS_MOVE)
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/socket_acceptor_service.hpp"
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-# if defined(ASIO_WINDOWS_RUNTIME)
-#  include "asio/detail/null_socket_service.hpp"
-#  define ASIO_SVC_T detail::null_socket_service<Protocol>
-# elif defined(ASIO_HAS_IOCP)
-#  include "asio/detail/win_iocp_socket_service.hpp"
-#  define ASIO_SVC_T detail::win_iocp_socket_service<Protocol>
-# else
-#  include "asio/detail/reactive_socket_service.hpp"
-#  define ASIO_SVC_T detail::reactive_socket_service<Protocol>
-# endif
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
 
+#if !defined(ASIO_BASIC_SOCKET_ACCEPTOR_FWD_DECL)
+#define ASIO_BASIC_SOCKET_ACCEPTOR_FWD_DECL
+
+// Forward declaration with defaulted arguments.
+template <typename Protocol, typename Executor = executor>
+class basic_socket_acceptor;
+
+#endif // !defined(ASIO_BASIC_SOCKET_ACCEPTOR_FWD_DECL)
+
 /// Provides the ability to accept new connections.
 /**
  * The basic_socket_acceptor class template is used for accepting new socket
@@ -59,7 +64,7 @@ namespace asio {
  * @par Example
  * Opening a socket acceptor with the SO_REUSEADDR option enabled:
  * @code
- * asio::ip::tcp::acceptor acceptor(io_context);
+ * asio::ip::tcp::acceptor acceptor(my_context);
  * asio::ip::tcp::endpoint endpoint(asio::ip::tcp::v4(), port);
  * acceptor.open(endpoint.protocol());
  * acceptor.set_option(asio::ip::tcp::acceptor::reuse_address(true));
@@ -67,21 +72,26 @@ namespace asio {
  * acceptor.listen();
  * @endcode
  */
-template <typename Protocol
-    ASIO_SVC_TPARAM_DEF1(= socket_acceptor_service<Protocol>)>
+template <typename Protocol, typename Executor>
 class basic_socket_acceptor
-  : ASIO_SVC_ACCESS basic_io_object<ASIO_SVC_T>,
-    public socket_base
+  : public socket_base
 {
 public:
   /// The type of the executor associated with the object.
-  typedef io_context::executor_type executor_type;
+  typedef Executor executor_type;
 
   /// The native representation of an acceptor.
 #if defined(GENERATING_DOCUMENTATION)
   typedef implementation_defined native_handle_type;
+#elif defined(ASIO_WINDOWS_RUNTIME)
+  typedef typename detail::null_socket_service<
+    Protocol>::native_handle_type native_handle_type;
+#elif defined(ASIO_HAS_IOCP)
+  typedef typename detail::win_iocp_socket_service<
+    Protocol>::native_handle_type native_handle_type;
 #else
-  typedef typename ASIO_SVC_T::native_handle_type native_handle_type;
+  typedef typename detail::reactive_socket_service<
+    Protocol>::native_handle_type native_handle_type;
 #endif
 
   /// The protocol type.
@@ -96,12 +106,31 @@ public:
    * connections. The open() function must be called before the acceptor can
    * accept new socket connections.
    *
-   * @param io_context The io_context object that the acceptor will use to
+   * @param ex The I/O executor that the acceptor will use, by default, to
    * dispatch handlers for any asynchronous operations performed on the
    * acceptor.
    */
-  explicit basic_socket_acceptor(asio::io_context& io_context)
-    : basic_io_object<ASIO_SVC_T>(io_context)
+  explicit basic_socket_acceptor(const executor_type& ex)
+    : impl_(ex)
+  {
+  }
+
+  /// Construct an acceptor without opening it.
+  /**
+   * This constructor creates an acceptor without opening it to listen for new
+   * connections. The open() function must be called before the acceptor can
+   * accept new socket connections.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the acceptor will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the acceptor.
+   */
+  template <typename ExecutionContext>
+  explicit basic_socket_acceptor(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
   {
   }
 
@@ -109,7 +138,7 @@ public:
   /**
    * This constructor creates an acceptor and automatically opens it.
    *
-   * @param io_context The io_context object that the acceptor will use to
+   * @param ex The I/O executor that the acceptor will use, by default, to
    * dispatch handlers for any asynchronous operations performed on the
    * acceptor.
    *
@@ -117,12 +146,36 @@ public:
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_socket_acceptor(asio::io_context& io_context,
-      const protocol_type& protocol)
-    : basic_io_object<ASIO_SVC_T>(io_context)
+  basic_socket_acceptor(const executor_type& ex, const protocol_type& protocol)
+    : impl_(ex)
   {
     asio::error_code ec;
-    this->get_service().open(this->get_implementation(), protocol, ec);
+    impl_.get_service().open(impl_.get_implementation(), protocol, ec);
+    asio::detail::throw_error(ec, "open");
+  }
+
+  /// Construct an open acceptor.
+  /**
+   * This constructor creates an acceptor and automatically opens it.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the acceptor will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the acceptor.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_socket_acceptor(ExecutionContext& context,
+      const protocol_type& protocol,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    impl_.get_service().open(impl_.get_implementation(), protocol, ec);
     asio::detail::throw_error(ec, "open");
   }
 
@@ -131,7 +184,7 @@ public:
    * This constructor creates an acceptor and automatically opens it to listen
    * for new connections on the specified endpoint.
    *
-   * @param io_context The io_context object that the acceptor will use to
+   * @param ex The I/O executor that the acceptor will use, by default, to
    * dispatch handlers for any asynchronous operations performed on the
    * acceptor.
    *
@@ -145,31 +198,83 @@ public:
    *
    * @note This constructor is equivalent to the following code:
    * @code
-   * basic_socket_acceptor<Protocol> acceptor(io_context);
+   * basic_socket_acceptor<Protocol> acceptor(my_context);
    * acceptor.open(endpoint.protocol());
    * if (reuse_addr)
    *   acceptor.set_option(socket_base::reuse_address(true));
    * acceptor.bind(endpoint);
-   * acceptor.listen(listen_backlog);
+   * acceptor.listen();
    * @endcode
    */
-  basic_socket_acceptor(asio::io_context& io_context,
+  basic_socket_acceptor(const executor_type& ex,
       const endpoint_type& endpoint, bool reuse_addr = true)
-    : basic_io_object<ASIO_SVC_T>(io_context)
+    : impl_(ex)
   {
     asio::error_code ec;
     const protocol_type protocol = endpoint.protocol();
-    this->get_service().open(this->get_implementation(), protocol, ec);
+    impl_.get_service().open(impl_.get_implementation(), protocol, ec);
     asio::detail::throw_error(ec, "open");
     if (reuse_addr)
     {
-      this->get_service().set_option(this->get_implementation(),
+      impl_.get_service().set_option(impl_.get_implementation(),
           socket_base::reuse_address(true), ec);
       asio::detail::throw_error(ec, "set_option");
     }
-    this->get_service().bind(this->get_implementation(), endpoint, ec);
+    impl_.get_service().bind(impl_.get_implementation(), endpoint, ec);
     asio::detail::throw_error(ec, "bind");
-    this->get_service().listen(this->get_implementation(),
+    impl_.get_service().listen(impl_.get_implementation(),
+        socket_base::max_listen_connections, ec);
+    asio::detail::throw_error(ec, "listen");
+  }
+
+  /// Construct an acceptor opened on the given endpoint.
+  /**
+   * This constructor creates an acceptor and automatically opens it to listen
+   * for new connections on the specified endpoint.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the acceptor will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the acceptor.
+   *
+   * @param endpoint An endpoint on the local machine on which the acceptor
+   * will listen for new connections.
+   *
+   * @param reuse_addr Whether the constructor should set the socket option
+   * socket_base::reuse_address.
+   *
+   * @throws asio::system_error Thrown on failure.
+   *
+   * @note This constructor is equivalent to the following code:
+   * @code
+   * basic_socket_acceptor<Protocol> acceptor(my_context);
+   * acceptor.open(endpoint.protocol());
+   * if (reuse_addr)
+   *   acceptor.set_option(socket_base::reuse_address(true));
+   * acceptor.bind(endpoint);
+   * acceptor.listen();
+   * @endcode
+   */
+  template <typename ExecutionContext>
+  basic_socket_acceptor(ExecutionContext& context,
+      const endpoint_type& endpoint, bool reuse_addr = true,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    const protocol_type protocol = endpoint.protocol();
+    impl_.get_service().open(impl_.get_implementation(), protocol, ec);
+    asio::detail::throw_error(ec, "open");
+    if (reuse_addr)
+    {
+      impl_.get_service().set_option(impl_.get_implementation(),
+          socket_base::reuse_address(true), ec);
+      asio::detail::throw_error(ec, "set_option");
+    }
+    impl_.get_service().bind(impl_.get_implementation(), endpoint, ec);
+    asio::detail::throw_error(ec, "bind");
+    impl_.get_service().listen(impl_.get_implementation(),
         socket_base::max_listen_connections, ec);
     asio::detail::throw_error(ec, "listen");
   }
@@ -179,7 +284,7 @@ public:
    * This constructor creates an acceptor object to hold an existing native
    * acceptor.
    *
-   * @param io_context The io_context object that the acceptor will use to
+   * @param ex The I/O executor that the acceptor will use, by default, to
    * dispatch handlers for any asynchronous operations performed on the
    * acceptor.
    *
@@ -189,12 +294,41 @@ public:
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_socket_acceptor(asio::io_context& io_context,
+  basic_socket_acceptor(const executor_type& ex,
       const protocol_type& protocol, const native_handle_type& native_acceptor)
-    : basic_io_object<ASIO_SVC_T>(io_context)
+    : impl_(ex)
   {
     asio::error_code ec;
-    this->get_service().assign(this->get_implementation(),
+    impl_.get_service().assign(impl_.get_implementation(),
+        protocol, native_acceptor, ec);
+    asio::detail::throw_error(ec, "assign");
+  }
+
+  /// Construct a basic_socket_acceptor on an existing native acceptor.
+  /**
+   * This constructor creates an acceptor object to hold an existing native
+   * acceptor.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the acceptor will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the acceptor.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @param native_acceptor A native acceptor.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_socket_acceptor(ExecutionContext& context,
+      const protocol_type& protocol, const native_handle_type& native_acceptor,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    impl_.get_service().assign(impl_.get_implementation(),
         protocol, native_acceptor, ec);
     asio::detail::throw_error(ec, "assign");
   }
@@ -208,10 +342,11 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_socket_acceptor(io_context&) constructor.
+   * constructed using the @c basic_socket_acceptor(const executor_type&)
+   * constructor.
    */
   basic_socket_acceptor(basic_socket_acceptor&& other)
-    : basic_io_object<ASIO_SVC_T>(std::move(other))
+    : impl_(std::move(other.impl_))
   {
   }
 
@@ -223,16 +358,17 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_socket_acceptor(io_context&) constructor.
+   * constructed using the @c basic_socket_acceptor(const executor_type&)
+   * constructor.
    */
   basic_socket_acceptor& operator=(basic_socket_acceptor&& other)
   {
-    basic_io_object<ASIO_SVC_T>::operator=(std::move(other));
+    impl_ = std::move(other.impl_);
     return *this;
   }
 
   // All socket acceptors have access to each other's implementations.
-  template <typename Protocol1 ASIO_SVC_TPARAM1>
+  template <typename Protocol1, typename Executor1>
   friend class basic_socket_acceptor;
 
   /// Move-construct a basic_socket_acceptor from an acceptor of another
@@ -244,14 +380,16 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_socket(io_context&) constructor.
+   * constructed using the @c basic_socket_acceptor(const executor_type&)
+   * constructor.
    */
-  template <typename Protocol1 ASIO_SVC_TPARAM1>
-  basic_socket_acceptor(
-      basic_socket_acceptor<Protocol1 ASIO_SVC_TARG1>&& other,
-      typename enable_if<is_convertible<Protocol1, Protocol>::value>::type* = 0)
-    : basic_io_object<ASIO_SVC_T>(
-        other.get_service(), other.get_implementation())
+  template <typename Protocol1, typename Executor1>
+  basic_socket_acceptor(basic_socket_acceptor<Protocol1, Executor1>&& other,
+      typename enable_if<
+        is_convertible<Protocol1, Protocol>::value
+          && is_convertible<Executor1, Executor>::value
+      >::type* = 0)
+    : impl_(std::move(other.impl_))
   {
   }
 
@@ -264,15 +402,18 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_socket(io_context&) constructor.
+   * constructed using the @c basic_socket_acceptor(const executor_type&)
+   * constructor.
    */
-  template <typename Protocol1 ASIO_SVC_TPARAM1>
-  typename enable_if<is_convertible<Protocol1, Protocol>::value,
-      basic_socket_acceptor>::type& operator=(
-        basic_socket_acceptor<Protocol1 ASIO_SVC_TARG1>&& other)
+  template <typename Protocol1, typename Executor1>
+  typename enable_if<
+    is_convertible<Protocol1, Protocol>::value
+      && is_convertible<Executor1, Executor>::value,
+    basic_socket_acceptor&
+  >::type operator=(basic_socket_acceptor<Protocol1, Executor1>&& other)
   {
     basic_socket_acceptor tmp(std::move(other));
-    basic_io_object<ASIO_SVC_T>::operator=(std::move(tmp));
+    impl_ = std::move(tmp.impl_);
     return *this;
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
@@ -287,45 +428,11 @@ public:
   {
   }
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-  // These functions are provided by basic_io_object<>.
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-#if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_context()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_context();
-  }
-
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_service()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_service();
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
   /// Get the executor associated with the object.
   executor_type get_executor() ASIO_NOEXCEPT
   {
-    return basic_io_object<ASIO_SVC_T>::get_executor();
+    return impl_.get_executor();
   }
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
 
   /// Open the acceptor using the specified protocol.
   /**
@@ -338,14 +445,14 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * acceptor.open(asio::ip::tcp::v4());
    * @endcode
    */
   void open(const protocol_type& protocol = protocol_type())
   {
     asio::error_code ec;
-    this->get_service().open(this->get_implementation(), protocol, ec);
+    impl_.get_service().open(impl_.get_implementation(), protocol, ec);
     asio::detail::throw_error(ec, "open");
   }
 
@@ -360,7 +467,7 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * asio::error_code ec;
    * acceptor.open(asio::ip::tcp::v4(), ec);
    * if (ec)
@@ -372,7 +479,7 @@ public:
   ASIO_SYNC_OP_VOID open(const protocol_type& protocol,
       asio::error_code& ec)
   {
-    this->get_service().open(this->get_implementation(), protocol, ec);
+    impl_.get_service().open(impl_.get_implementation(), protocol, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -390,7 +497,7 @@ public:
       const native_handle_type& native_acceptor)
   {
     asio::error_code ec;
-    this->get_service().assign(this->get_implementation(),
+    impl_.get_service().assign(impl_.get_implementation(),
         protocol, native_acceptor, ec);
     asio::detail::throw_error(ec, "assign");
   }
@@ -408,7 +515,7 @@ public:
   ASIO_SYNC_OP_VOID assign(const protocol_type& protocol,
       const native_handle_type& native_acceptor, asio::error_code& ec)
   {
-    this->get_service().assign(this->get_implementation(),
+    impl_.get_service().assign(impl_.get_implementation(),
         protocol, native_acceptor, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
@@ -416,7 +523,7 @@ public:
   /// Determine whether the acceptor is open.
   bool is_open() const
   {
-    return this->get_service().is_open(this->get_implementation());
+    return impl_.get_service().is_open(impl_.get_implementation());
   }
 
   /// Bind the acceptor to the given local endpoint.
@@ -431,7 +538,7 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * asio::ip::tcp::endpoint endpoint(asio::ip::tcp::v4(), 12345);
    * acceptor.open(endpoint.protocol());
    * acceptor.bind(endpoint);
@@ -440,7 +547,7 @@ public:
   void bind(const endpoint_type& endpoint)
   {
     asio::error_code ec;
-    this->get_service().bind(this->get_implementation(), endpoint, ec);
+    impl_.get_service().bind(impl_.get_implementation(), endpoint, ec);
     asio::detail::throw_error(ec, "bind");
   }
 
@@ -456,7 +563,7 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * asio::ip::tcp::endpoint endpoint(asio::ip::tcp::v4(), 12345);
    * acceptor.open(endpoint.protocol());
    * asio::error_code ec;
@@ -470,7 +577,7 @@ public:
   ASIO_SYNC_OP_VOID bind(const endpoint_type& endpoint,
       asio::error_code& ec)
   {
-    this->get_service().bind(this->get_implementation(), endpoint, ec);
+    impl_.get_service().bind(impl_.get_implementation(), endpoint, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -487,7 +594,7 @@ public:
   void listen(int backlog = socket_base::max_listen_connections)
   {
     asio::error_code ec;
-    this->get_service().listen(this->get_implementation(), backlog, ec);
+    impl_.get_service().listen(impl_.get_implementation(), backlog, ec);
     asio::detail::throw_error(ec, "listen");
   }
 
@@ -503,7 +610,7 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * asio::error_code ec;
    * acceptor.listen(asio::socket_base::max_listen_connections, ec);
@@ -515,7 +622,7 @@ public:
    */
   ASIO_SYNC_OP_VOID listen(int backlog, asio::error_code& ec)
   {
-    this->get_service().listen(this->get_implementation(), backlog, ec);
+    impl_.get_service().listen(impl_.get_implementation(), backlog, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -532,7 +639,7 @@ public:
   void close()
   {
     asio::error_code ec;
-    this->get_service().close(this->get_implementation(), ec);
+    impl_.get_service().close(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "close");
   }
 
@@ -548,7 +655,7 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * asio::error_code ec;
    * acceptor.close(ec);
@@ -560,7 +667,7 @@ public:
    */
   ASIO_SYNC_OP_VOID close(asio::error_code& ec)
   {
-    this->get_service().close(this->get_implementation(), ec);
+    impl_.get_service().close(impl_.get_implementation(), ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -586,8 +693,8 @@ public:
   native_handle_type release()
   {
     asio::error_code ec;
-    native_handle_type s = this->get_service().release(
-        this->get_implementation(), ec);
+    native_handle_type s = impl_.get_service().release(
+        impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "release");
     return s;
   }
@@ -613,7 +720,7 @@ public:
 #endif
   native_handle_type release(asio::error_code& ec)
   {
-    return this->get_service().release(this->get_implementation(), ec);
+    return impl_.get_service().release(impl_.get_implementation(), ec);
   }
 
   /// Get the native acceptor representation.
@@ -624,7 +731,7 @@ public:
    */
   native_handle_type native_handle()
   {
-    return this->get_service().native_handle(this->get_implementation());
+    return impl_.get_service().native_handle(impl_.get_implementation());
   }
 
   /// Cancel all asynchronous operations associated with the acceptor.
@@ -638,7 +745,7 @@ public:
   void cancel()
   {
     asio::error_code ec;
-    this->get_service().cancel(this->get_implementation(), ec);
+    impl_.get_service().cancel(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "cancel");
   }
 
@@ -652,7 +759,7 @@ public:
    */
   ASIO_SYNC_OP_VOID cancel(asio::error_code& ec)
   {
-    this->get_service().cancel(this->get_implementation(), ec);
+    impl_.get_service().cancel(impl_.get_implementation(), ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -671,7 +778,7 @@ public:
    * @par Example
    * Setting the SOL_SOCKET/SO_REUSEADDR option:
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * asio::ip::tcp::acceptor::reuse_address option(true);
    * acceptor.set_option(option);
@@ -681,7 +788,7 @@ public:
   void set_option(const SettableSocketOption& option)
   {
     asio::error_code ec;
-    this->get_service().set_option(this->get_implementation(), option, ec);
+    impl_.get_service().set_option(impl_.get_implementation(), option, ec);
     asio::detail::throw_error(ec, "set_option");
   }
 
@@ -700,7 +807,7 @@ public:
    * @par Example
    * Setting the SOL_SOCKET/SO_REUSEADDR option:
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * asio::ip::tcp::acceptor::reuse_address option(true);
    * asio::error_code ec;
@@ -715,7 +822,7 @@ public:
   ASIO_SYNC_OP_VOID set_option(const SettableSocketOption& option,
       asio::error_code& ec)
   {
-    this->get_service().set_option(this->get_implementation(), option, ec);
+    impl_.get_service().set_option(impl_.get_implementation(), option, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -734,7 +841,7 @@ public:
    * @par Example
    * Getting the value of the SOL_SOCKET/SO_REUSEADDR option:
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * asio::ip::tcp::acceptor::reuse_address option;
    * acceptor.get_option(option);
@@ -742,10 +849,10 @@ public:
    * @endcode
    */
   template <typename GettableSocketOption>
-  void get_option(GettableSocketOption& option)
+  void get_option(GettableSocketOption& option) const
   {
     asio::error_code ec;
-    this->get_service().get_option(this->get_implementation(), option, ec);
+    impl_.get_service().get_option(impl_.get_implementation(), option, ec);
     asio::detail::throw_error(ec, "get_option");
   }
 
@@ -764,7 +871,7 @@ public:
    * @par Example
    * Getting the value of the SOL_SOCKET/SO_REUSEADDR option:
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * asio::ip::tcp::acceptor::reuse_address option;
    * asio::error_code ec;
@@ -778,9 +885,9 @@ public:
    */
   template <typename GettableSocketOption>
   ASIO_SYNC_OP_VOID get_option(GettableSocketOption& option,
-      asio::error_code& ec)
+      asio::error_code& ec) const
   {
-    this->get_service().get_option(this->get_implementation(), option, ec);
+    impl_.get_service().get_option(impl_.get_implementation(), option, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -798,7 +905,7 @@ public:
    * @par Example
    * Getting the number of bytes ready to read:
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * asio::ip::tcp::acceptor::non_blocking_io command(true);
    * socket.io_control(command);
@@ -808,7 +915,7 @@ public:
   void io_control(IoControlCommand& command)
   {
     asio::error_code ec;
-    this->get_service().io_control(this->get_implementation(), command, ec);
+    impl_.get_service().io_control(impl_.get_implementation(), command, ec);
     asio::detail::throw_error(ec, "io_control");
   }
 
@@ -826,7 +933,7 @@ public:
    * @par Example
    * Getting the number of bytes ready to read:
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * asio::ip::tcp::acceptor::non_blocking_io command(true);
    * asio::error_code ec;
@@ -841,7 +948,7 @@ public:
   ASIO_SYNC_OP_VOID io_control(IoControlCommand& command,
       asio::error_code& ec)
   {
-    this->get_service().io_control(this->get_implementation(), command, ec);
+    impl_.get_service().io_control(impl_.get_implementation(), command, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -858,7 +965,7 @@ public:
    */
   bool non_blocking() const
   {
-    return this->get_service().non_blocking(this->get_implementation());
+    return impl_.get_service().non_blocking(impl_.get_implementation());
   }
 
   /// Sets the non-blocking mode of the acceptor.
@@ -877,7 +984,7 @@ public:
   void non_blocking(bool mode)
   {
     asio::error_code ec;
-    this->get_service().non_blocking(this->get_implementation(), mode, ec);
+    impl_.get_service().non_blocking(impl_.get_implementation(), mode, ec);
     asio::detail::throw_error(ec, "non_blocking");
   }
 
@@ -897,7 +1004,7 @@ public:
   ASIO_SYNC_OP_VOID non_blocking(
       bool mode, asio::error_code& ec)
   {
-    this->get_service().non_blocking(this->get_implementation(), mode, ec);
+    impl_.get_service().non_blocking(impl_.get_implementation(), mode, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -917,7 +1024,7 @@ public:
    */
   bool native_non_blocking() const
   {
-    return this->get_service().native_non_blocking(this->get_implementation());
+    return impl_.get_service().native_non_blocking(impl_.get_implementation());
   }
 
   /// Sets the non-blocking mode of the native acceptor implementation.
@@ -938,8 +1045,8 @@ public:
   void native_non_blocking(bool mode)
   {
     asio::error_code ec;
-    this->get_service().native_non_blocking(
-        this->get_implementation(), mode, ec);
+    impl_.get_service().native_non_blocking(
+        impl_.get_implementation(), mode, ec);
     asio::detail::throw_error(ec, "native_non_blocking");
   }
 
@@ -961,8 +1068,8 @@ public:
   ASIO_SYNC_OP_VOID native_non_blocking(
       bool mode, asio::error_code& ec)
   {
-    this->get_service().native_non_blocking(
-        this->get_implementation(), mode, ec);
+    impl_.get_service().native_non_blocking(
+        impl_.get_implementation(), mode, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -976,7 +1083,7 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * asio::ip::tcp::endpoint endpoint = acceptor.local_endpoint();
    * @endcode
@@ -984,8 +1091,8 @@ public:
   endpoint_type local_endpoint() const
   {
     asio::error_code ec;
-    endpoint_type ep = this->get_service().local_endpoint(
-        this->get_implementation(), ec);
+    endpoint_type ep = impl_.get_service().local_endpoint(
+        impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "local_endpoint");
     return ep;
   }
@@ -1002,7 +1109,7 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * asio::error_code ec;
    * asio::ip::tcp::endpoint endpoint = acceptor.local_endpoint(ec);
@@ -1014,7 +1121,7 @@ public:
    */
   endpoint_type local_endpoint(asio::error_code& ec) const
   {
-    return this->get_service().local_endpoint(this->get_implementation(), ec);
+    return impl_.get_service().local_endpoint(impl_.get_implementation(), ec);
   }
 
   /// Wait for the acceptor to become ready to read, ready to write, or to have
@@ -1028,7 +1135,7 @@ public:
    * @par Example
    * Waiting for an acceptor to become readable.
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * acceptor.wait(asio::ip::tcp::acceptor::wait_read);
    * @endcode
@@ -1036,7 +1143,7 @@ public:
   void wait(wait_type w)
   {
     asio::error_code ec;
-    this->get_service().wait(this->get_implementation(), w, ec);
+    impl_.get_service().wait(impl_.get_implementation(), w, ec);
     asio::detail::throw_error(ec, "wait");
   }
 
@@ -1053,7 +1160,7 @@ public:
    * @par Example
    * Waiting for an acceptor to become readable.
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * asio::error_code ec;
    * acceptor.wait(asio::ip::tcp::acceptor::wait_read, ec);
@@ -1061,7 +1168,7 @@ public:
    */
   ASIO_SYNC_OP_VOID wait(wait_type w, asio::error_code& ec)
   {
-    this->get_service().wait(this->get_implementation(), w, ec);
+    impl_.get_service().wait(impl_.get_implementation(), w, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -1080,9 +1187,9 @@ public:
    *   const asio::error_code& error // Result of operation
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @par Example
    * @code
@@ -1096,7 +1203,7 @@ public:
    *
    * ...
    *
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * acceptor.async_wait(
    *     asio::ip::tcp::acceptor::wait_read,
@@ -1108,22 +1215,8 @@ public:
       void (asio::error_code))
   async_wait(wait_type w, ASIO_MOVE_ARG(WaitHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WaitHandler.
-    ASIO_WAIT_HANDLER_CHECK(WaitHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_wait(this->get_implementation(),
-        w, ASIO_MOVE_CAST(WaitHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WaitHandler,
-      void (asio::error_code)> init(handler);
-
-    this->get_service().async_wait(this->get_implementation(),
-        w, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WaitHandler, void (asio::error_code)>(
+        initiate_async_wait(), handler, this, w);
   }
 
 #if !defined(ASIO_NO_EXTENSIONS)
@@ -1139,24 +1232,20 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * acceptor.accept(socket);
    * @endcode
    */
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-  template <typename Protocol1, typename SocketService>
-  void accept(basic_socket<Protocol1, SocketService>& peer,
-      typename enable_if<is_convertible<Protocol, Protocol1>::value>::type* = 0)
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-  template <typename Protocol1>
-  void accept(basic_socket<Protocol1>& peer,
-      typename enable_if<is_convertible<Protocol, Protocol1>::value>::type* = 0)
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+  template <typename Protocol1, typename Executor1>
+  void accept(basic_socket<Protocol1, Executor1>& peer,
+      typename enable_if<
+        is_convertible<Protocol, Protocol1>::value
+      >::type* = 0)
   {
     asio::error_code ec;
-    this->get_service().accept(this->get_implementation(),
+    impl_.get_service().accept(impl_.get_implementation(),
         peer, static_cast<endpoint_type*>(0), ec);
     asio::detail::throw_error(ec, "accept");
   }
@@ -1173,9 +1262,9 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * asio::error_code ec;
    * acceptor.accept(socket, ec);
    * if (ec)
@@ -1184,20 +1273,14 @@ public:
    * }
    * @endcode
    */
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-  template <typename Protocol1, typename SocketService>
+  template <typename Protocol1, typename Executor1>
   ASIO_SYNC_OP_VOID accept(
-      basic_socket<Protocol1, SocketService>& peer,
-      asio::error_code& ec,
-      typename enable_if<is_convertible<Protocol, Protocol1>::value>::type* = 0)
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-  template <typename Protocol1>
-  ASIO_SYNC_OP_VOID accept(
-      basic_socket<Protocol1>& peer, asio::error_code& ec,
-      typename enable_if<is_convertible<Protocol, Protocol1>::value>::type* = 0)
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+      basic_socket<Protocol1, Executor1>& peer, asio::error_code& ec,
+      typename enable_if<
+        is_convertible<Protocol, Protocol1>::value
+      >::type* = 0)
   {
-    this->get_service().accept(this->get_implementation(),
+    impl_.get_service().accept(impl_.get_implementation(),
         peer, static_cast<endpoint_type*>(0), ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
@@ -1218,9 +1301,9 @@ public:
    *   const asio::error_code& error // Result of operation.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @par Example
    * @code
@@ -1234,45 +1317,24 @@ public:
    *
    * ...
    *
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * acceptor.async_accept(socket, accept_handler);
    * @endcode
    */
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-  template <typename Protocol1, typename SocketService, typename AcceptHandler>
+  template <typename Protocol1, typename Executor1, typename AcceptHandler>
   ASIO_INITFN_RESULT_TYPE(AcceptHandler,
       void (asio::error_code))
-  async_accept(basic_socket<Protocol1, SocketService>& peer,
+  async_accept(basic_socket<Protocol1, Executor1>& peer,
       ASIO_MOVE_ARG(AcceptHandler) handler,
-      typename enable_if<is_convertible<Protocol, Protocol1>::value>::type* = 0)
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-  template <typename Protocol1, typename AcceptHandler>
-  ASIO_INITFN_RESULT_TYPE(AcceptHandler,
-      void (asio::error_code))
-  async_accept(basic_socket<Protocol1>& peer,
-      ASIO_MOVE_ARG(AcceptHandler) handler,
-      typename enable_if<is_convertible<Protocol, Protocol1>::value>::type* = 0)
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+      typename enable_if<
+        is_convertible<Protocol, Protocol1>::value
+      >::type* = 0)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a AcceptHandler.
-    ASIO_ACCEPT_HANDLER_CHECK(AcceptHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_accept(this->get_implementation(),
-        peer, static_cast<endpoint_type*>(0),
-        ASIO_MOVE_CAST(AcceptHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<AcceptHandler,
-      void (asio::error_code)> init(handler);
-
-    this->get_service().async_accept(this->get_implementation(),
-        peer, static_cast<endpoint_type*>(0), init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<AcceptHandler, void (asio::error_code)>(
+        initiate_async_accept(), handler, this,
+        &peer, static_cast<endpoint_type*>(0));
   }
 
   /// Accept a new connection and obtain the endpoint of the peer
@@ -1291,23 +1353,19 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * asio::ip::tcp::endpoint endpoint;
    * acceptor.accept(socket, endpoint);
    * @endcode
    */
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-  template <typename SocketService>
-  void accept(basic_socket<protocol_type, SocketService>& peer,
+  template <typename Executor1>
+  void accept(basic_socket<protocol_type, Executor1>& peer,
       endpoint_type& peer_endpoint)
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-  void accept(basic_socket<protocol_type>& peer, endpoint_type& peer_endpoint)
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
   {
     asio::error_code ec;
-    this->get_service().accept(this->get_implementation(),
+    impl_.get_service().accept(impl_.get_implementation(),
         peer, &peer_endpoint, ec);
     asio::detail::throw_error(ec, "accept");
   }
@@ -1328,9 +1386,9 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * asio::ip::tcp::endpoint endpoint;
    * asio::error_code ec;
    * acceptor.accept(socket, endpoint, ec);
@@ -1340,18 +1398,12 @@ public:
    * }
    * @endcode
    */
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-  template <typename SocketService>
-  ASIO_SYNC_OP_VOID accept(
-      basic_socket<protocol_type, SocketService>& peer,
+  template <typename Executor1>
+  ASIO_SYNC_OP_VOID accept(basic_socket<protocol_type, Executor1>& peer,
       endpoint_type& peer_endpoint, asio::error_code& ec)
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-  ASIO_SYNC_OP_VOID accept(basic_socket<protocol_type>& peer,
-      endpoint_type& peer_endpoint, asio::error_code& ec)
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
   {
-    this->get_service().accept(
-        this->get_implementation(), peer, &peer_endpoint, ec);
+    impl_.get_service().accept(
+        impl_.get_implementation(), peer, &peer_endpoint, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -1377,40 +1429,18 @@ public:
    *   const asio::error_code& error // Result of operation.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    */
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-  template <typename SocketService, typename AcceptHandler>
+  template <typename Executor1, typename AcceptHandler>
   ASIO_INITFN_RESULT_TYPE(AcceptHandler,
       void (asio::error_code))
-  async_accept(basic_socket<protocol_type, SocketService>& peer,
+  async_accept(basic_socket<protocol_type, Executor1>& peer,
       endpoint_type& peer_endpoint, ASIO_MOVE_ARG(AcceptHandler) handler)
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-  template <typename AcceptHandler>
-  ASIO_INITFN_RESULT_TYPE(AcceptHandler,
-      void (asio::error_code))
-  async_accept(basic_socket<protocol_type>& peer,
-      endpoint_type& peer_endpoint, ASIO_MOVE_ARG(AcceptHandler) handler)
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a AcceptHandler.
-    ASIO_ACCEPT_HANDLER_CHECK(AcceptHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_accept(this->get_implementation(), peer,
-        &peer_endpoint, ASIO_MOVE_CAST(AcceptHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<AcceptHandler,
-      void (asio::error_code)> init(handler);
-
-    this->get_service().async_accept(this->get_implementation(),
-        peer, &peer_endpoint, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<AcceptHandler, void (asio::error_code)>(
+        initiate_async_accept(), handler, this, &peer, &peer_endpoint);
   }
 #endif // !defined(ASIO_NO_EXTENSIONS)
 
@@ -1430,7 +1460,7 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * asio::ip::tcp::socket socket(acceptor.accept());
    * @endcode
@@ -1438,9 +1468,8 @@ public:
   typename Protocol::socket accept()
   {
     asio::error_code ec;
-    typename Protocol::socket peer(
-        this->get_service().accept(
-          this->get_implementation(), 0, 0, ec));
+    typename Protocol::socket peer(impl_.get_executor());
+    impl_.get_service().accept(impl_.get_implementation(), peer, 0, ec);
     asio::detail::throw_error(ec, "accept");
     return peer;
   }
@@ -1461,7 +1490,7 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * asio::ip::tcp::socket socket(acceptor.accept(ec));
    * if (ec)
@@ -1472,7 +1501,9 @@ public:
    */
   typename Protocol::socket accept(asio::error_code& ec)
   {
-    return this->get_service().accept(this->get_implementation(), 0, 0, ec);
+    typename Protocol::socket peer(impl_.get_executor());
+    impl_.get_service().accept(impl_.get_implementation(), peer, 0, ec);
+    return peer;
   }
 
   /// Start an asynchronous accept.
@@ -1491,9 +1522,9 @@ public:
    *   typename Protocol::socket peer // On success, the newly accepted socket.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @par Example
    * @code
@@ -1508,7 +1539,7 @@ public:
    *
    * ...
    *
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * acceptor.async_accept(accept_handler);
    * @endcode
@@ -1518,27 +1549,11 @@ public:
       void (asio::error_code, typename Protocol::socket))
   async_accept(ASIO_MOVE_ARG(MoveAcceptHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a MoveAcceptHandler.
-    ASIO_MOVE_ACCEPT_HANDLER_CHECK(MoveAcceptHandler,
-        handler, typename Protocol::socket) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_accept(
-        this->get_implementation(), static_cast<asio::io_context*>(0),
-        static_cast<endpoint_type*>(0),
-        ASIO_MOVE_CAST(MoveAcceptHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<MoveAcceptHandler,
-      void (asio::error_code,
-        typename Protocol::socket)> init(handler);
-
-    this->get_service().async_accept(
-        this->get_implementation(), static_cast<asio::io_context*>(0),
-        static_cast<endpoint_type*>(0), init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<MoveAcceptHandler,
+      void (asio::error_code, typename Protocol::socket)>(
+        initiate_async_move_accept(), handler, this,
+        impl_.get_executor(), static_cast<endpoint_type*>(0),
+        static_cast<typename Protocol::socket*>(0));
   }
 
   /// Accept a new connection.
@@ -1550,8 +1565,8 @@ public:
    * This overload requires that the Protocol template parameter satisfy the
    * AcceptableProtocol type requirements.
    *
-   * @param io_context The io_context object to be used for the newly accepted
-   * socket.
+   * @param ex The I/O executor object to be used for the newly
+   * accepted socket.
    *
    * @returns A socket object representing the newly accepted connection.
    *
@@ -1559,17 +1574,22 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * asio::ip::tcp::socket socket(acceptor.accept());
    * @endcode
    */
-  typename Protocol::socket accept(asio::io_context& io_context)
+  template <typename Executor1>
+  typename Protocol::socket::template rebind_executor<Executor1>::other
+  accept(const Executor1& ex,
+      typename enable_if<
+        is_executor<Executor1>::value
+      >::type* = 0)
   {
     asio::error_code ec;
-    typename Protocol::socket peer(
-        this->get_service().accept(this->get_implementation(),
-          &io_context, static_cast<endpoint_type*>(0), ec));
+    typename Protocol::socket::template
+      rebind_executor<Executor1>::other peer(ex);
+    impl_.get_service().accept(impl_.get_implementation(), peer, 0, ec);
     asio::detail::throw_error(ec, "accept");
     return peer;
   }
@@ -1583,7 +1603,46 @@ public:
    * This overload requires that the Protocol template parameter satisfy the
    * AcceptableProtocol type requirements.
    *
-   * @param io_context The io_context object to be used for the newly accepted
+   * @param context The I/O execution context object to be used for the newly
+   * accepted socket.
+   *
+   * @returns A socket object representing the newly accepted connection.
+   *
+   * @throws asio::system_error Thrown on failure.
+   *
+   * @par Example
+   * @code
+   * asio::ip::tcp::acceptor acceptor(my_context);
+   * ...
+   * asio::ip::tcp::socket socket(acceptor.accept());
+   * @endcode
+   */
+  template <typename ExecutionContext>
+  typename Protocol::socket::template rebind_executor<
+      typename ExecutionContext::executor_type>::other
+  accept(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+  {
+    asio::error_code ec;
+    typename Protocol::socket::template rebind_executor<
+        typename ExecutionContext::executor_type>::other peer(context);
+    impl_.get_service().accept(impl_.get_implementation(), peer, 0, ec);
+    asio::detail::throw_error(ec, "accept");
+    return peer;
+  }
+
+  /// Accept a new connection.
+  /**
+   * This function is used to accept a new connection from a peer. The function
+   * call will block until a new connection has been accepted successfully or
+   * an error occurs.
+   *
+   * This overload requires that the Protocol template parameter satisfy the
+   * AcceptableProtocol type requirements.
+   *
+   * @param ex The I/O executor object to be used for the newly accepted
    * socket.
    *
    * @param ec Set to indicate what error occurred, if any.
@@ -1593,20 +1652,68 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
-   * asio::ip::tcp::socket socket(acceptor.accept(io_context2, ec));
+   * asio::ip::tcp::socket socket(acceptor.accept(my_context2, ec));
    * if (ec)
    * {
    *   // An error occurred.
    * }
    * @endcode
    */
-  typename Protocol::socket accept(
-      asio::io_context& io_context, asio::error_code& ec)
+  template <typename Executor1>
+  typename Protocol::socket::template rebind_executor<Executor1>::other
+  accept(const Executor1& ex, asio::error_code& ec,
+      typename enable_if<
+        is_executor<Executor1>::value
+      >::type* = 0)
   {
-    return this->get_service().accept(this->get_implementation(),
-        &io_context, static_cast<endpoint_type*>(0), ec);
+    typename Protocol::socket::template
+      rebind_executor<Executor1>::other peer(ex);
+    impl_.get_service().accept(impl_.get_implementation(), peer, 0, ec);
+    return peer;
+  }
+
+  /// Accept a new connection.
+  /**
+   * This function is used to accept a new connection from a peer. The function
+   * call will block until a new connection has been accepted successfully or
+   * an error occurs.
+   *
+   * This overload requires that the Protocol template parameter satisfy the
+   * AcceptableProtocol type requirements.
+   *
+   * @param context The I/O execution context object to be used for the newly
+   * accepted socket.
+   *
+   * @param ec Set to indicate what error occurred, if any.
+   *
+   * @returns On success, a socket object representing the newly accepted
+   * connection. On error, a socket object where is_open() is false.
+   *
+   * @par Example
+   * @code
+   * asio::ip::tcp::acceptor acceptor(my_context);
+   * ...
+   * asio::ip::tcp::socket socket(acceptor.accept(my_context2, ec));
+   * if (ec)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  template <typename ExecutionContext>
+  typename Protocol::socket::template rebind_executor<
+      typename ExecutionContext::executor_type>::other
+  accept(ExecutionContext& context, asio::error_code& ec,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+  {
+    typename Protocol::socket::template rebind_executor<
+        typename ExecutionContext::executor_type>::other peer(context);
+    impl_.get_service().accept(impl_.get_implementation(), peer, 0, ec);
+    return peer;
   }
 
   /// Start an asynchronous accept.
@@ -1617,7 +1724,7 @@ public:
    * This overload requires that the Protocol template parameter satisfy the
    * AcceptableProtocol type requirements.
    *
-   * @param io_context The io_context object to be used for the newly accepted
+   * @param ex The I/O executor object to be used for the newly accepted
    * socket.
    *
    * @param handler The handler to be called when the accept operation
@@ -1625,12 +1732,13 @@ public:
    * signature of the handler must be:
    * @code void handler(
    *   const asio::error_code& error, // Result of operation.
-   *   typename Protocol::socket peer // On success, the newly accepted socket.
+   *   typename Protocol::socket::template rebind_executor<
+   *     Executor1>::other peer // On success, the newly accepted socket.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @par Example
    * @code
@@ -1645,36 +1753,94 @@ public:
    *
    * ...
    *
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
-   * acceptor.async_accept(io_context2, accept_handler);
+   * acceptor.async_accept(my_context2, accept_handler);
    * @endcode
    */
-  template <typename MoveAcceptHandler>
+  template <typename Executor1, typename MoveAcceptHandler>
   ASIO_INITFN_RESULT_TYPE(MoveAcceptHandler,
-      void (asio::error_code, typename Protocol::socket))
-  async_accept(asio::io_context& io_context,
-      ASIO_MOVE_ARG(MoveAcceptHandler) handler)
-  {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a MoveAcceptHandler.
-    ASIO_MOVE_ACCEPT_HANDLER_CHECK(MoveAcceptHandler,
-        handler, typename Protocol::socket) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_accept(this->get_implementation(),
-        &io_context, static_cast<endpoint_type*>(0),
-        ASIO_MOVE_CAST(MoveAcceptHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<MoveAcceptHandler,
       void (asio::error_code,
-        typename Protocol::socket)> init(handler);
+        typename Protocol::socket::template rebind_executor<
+          Executor1>::other))
+  async_accept(const Executor1& ex,
+      ASIO_MOVE_ARG(MoveAcceptHandler) handler,
+      typename enable_if<
+        is_executor<Executor1>::value
+      >::type* = 0)
+  {
+    typedef typename Protocol::socket::template rebind_executor<
+      Executor1>::other other_socket_type;
 
-    this->get_service().async_accept(this->get_implementation(),
-        &io_context, static_cast<endpoint_type*>(0), init.completion_handler);
+    return async_initiate<MoveAcceptHandler,
+      void (asio::error_code, other_socket_type)>(
+        initiate_async_move_accept(), handler, this,
+        ex, static_cast<endpoint_type*>(0),
+        static_cast<other_socket_type*>(0));
+  }
 
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+  /// Start an asynchronous accept.
+  /**
+   * This function is used to asynchronously accept a new connection. The
+   * function call always returns immediately.
+   *
+   * This overload requires that the Protocol template parameter satisfy the
+   * AcceptableProtocol type requirements.
+   *
+   * @param context The I/O execution context object to be used for the newly
+   * accepted socket.
+   *
+   * @param handler The handler to be called when the accept operation
+   * completes. Copies will be made of the handler as required. The function
+   * signature of the handler must be:
+   * @code void handler(
+   *   const asio::error_code& error, // Result of operation.
+   *   typename Protocol::socket::template rebind_executor<
+   *     typename ExecutionContext::executor_type>::other peer
+   *       // On success, the newly accepted socket.
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
+   *
+   * @par Example
+   * @code
+   * void accept_handler(const asio::error_code& error,
+   *     asio::ip::tcp::socket peer)
+   * {
+   *   if (!error)
+   *   {
+   *     // Accept succeeded.
+   *   }
+   * }
+   *
+   * ...
+   *
+   * asio::ip::tcp::acceptor acceptor(my_context);
+   * ...
+   * acceptor.async_accept(my_context2, accept_handler);
+   * @endcode
+   */
+  template <typename ExecutionContext, typename MoveAcceptHandler>
+  ASIO_INITFN_RESULT_TYPE(MoveAcceptHandler,
+      void (asio::error_code,
+        typename Protocol::socket::template rebind_executor<
+          typename ExecutionContext::executor_type>::other))
+  async_accept(ExecutionContext& context,
+      ASIO_MOVE_ARG(MoveAcceptHandler) handler,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+  {
+    typedef typename Protocol::socket::template rebind_executor<
+      typename ExecutionContext::executor_type>::other other_socket_type;
+
+    return async_initiate<MoveAcceptHandler,
+      void (asio::error_code, other_socket_type)>(
+        initiate_async_move_accept(), handler, this,
+        context.get_executor(), static_cast<endpoint_type*>(0),
+        static_cast<other_socket_type*>(0));
   }
 
   /// Accept a new connection.
@@ -1695,7 +1861,7 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * asio::ip::tcp::endpoint endpoint;
    * asio::ip::tcp::socket socket(acceptor.accept(endpoint));
@@ -1704,9 +1870,9 @@ public:
   typename Protocol::socket accept(endpoint_type& peer_endpoint)
   {
     asio::error_code ec;
-    typename Protocol::socket peer(
-        this->get_service().accept(this->get_implementation(),
-          static_cast<asio::io_context*>(0), &peer_endpoint, ec));
+    typename Protocol::socket peer(impl_.get_executor());
+    impl_.get_service().accept(impl_.get_implementation(),
+        peer, &peer_endpoint, ec);
     asio::detail::throw_error(ec, "accept");
     return peer;
   }
@@ -1730,7 +1896,7 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * asio::ip::tcp::endpoint endpoint;
    * asio::ip::tcp::socket socket(acceptor.accept(endpoint, ec));
@@ -1743,8 +1909,10 @@ public:
   typename Protocol::socket accept(
       endpoint_type& peer_endpoint, asio::error_code& ec)
   {
-    return this->get_service().accept(this->get_implementation(),
-        static_cast<asio::io_context*>(0), &peer_endpoint, ec);
+    typename Protocol::socket peer(impl_.get_executor());
+    impl_.get_service().accept(impl_.get_implementation(),
+        peer, &peer_endpoint, ec);
+    return peer;
   }
 
   /// Start an asynchronous accept.
@@ -1768,9 +1936,9 @@ public:
    *   typename Protocol::socket peer // On success, the newly accepted socket.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @par Example
    * @code
@@ -1785,7 +1953,7 @@ public:
    *
    * ...
    *
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * asio::ip::tcp::endpoint endpoint;
    * acceptor.async_accept(endpoint, accept_handler);
@@ -1797,26 +1965,11 @@ public:
   async_accept(endpoint_type& peer_endpoint,
       ASIO_MOVE_ARG(MoveAcceptHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a MoveAcceptHandler.
-    ASIO_MOVE_ACCEPT_HANDLER_CHECK(MoveAcceptHandler,
-        handler, typename Protocol::socket) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_accept(this->get_implementation(),
-        static_cast<asio::io_context*>(0), &peer_endpoint,
-        ASIO_MOVE_CAST(MoveAcceptHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<MoveAcceptHandler,
-      void (asio::error_code,
-        typename Protocol::socket)> init(handler);
-
-    this->get_service().async_accept(this->get_implementation(),
-        static_cast<asio::io_context*>(0), &peer_endpoint,
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<MoveAcceptHandler,
+      void (asio::error_code, typename Protocol::socket)>(
+        initiate_async_move_accept(), handler, this,
+        impl_.get_executor(), &peer_endpoint,
+        static_cast<typename Protocol::socket*>(0));
   }
 
   /// Accept a new connection.
@@ -1828,7 +1981,7 @@ public:
    * This overload requires that the Protocol template parameter satisfy the
    * AcceptableProtocol type requirements.
    *
-   * @param io_context The io_context object to be used for the newly accepted
+   * @param ex The I/O executor object to be used for the newly accepted
    * socket.
    *
    * @param peer_endpoint An endpoint object into which the endpoint of the
@@ -1840,20 +1993,25 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * asio::ip::tcp::endpoint endpoint;
    * asio::ip::tcp::socket socket(
-   *     acceptor.accept(io_context2, endpoint));
+   *     acceptor.accept(my_context2, endpoint));
    * @endcode
    */
-  typename Protocol::socket accept(
-      asio::io_context& io_context, endpoint_type& peer_endpoint)
+  template <typename Executor1>
+  typename Protocol::socket::template rebind_executor<Executor1>::other
+  accept(const Executor1& ex, endpoint_type& peer_endpoint,
+      typename enable_if<
+        is_executor<Executor1>::value
+      >::type* = 0)
   {
     asio::error_code ec;
-    typename Protocol::socket peer(
-        this->get_service().accept(this->get_implementation(),
-          &io_context, &peer_endpoint, ec));
+    typename Protocol::socket::template
+        rebind_executor<Executor1>::other peer(ex);
+    impl_.get_service().accept(impl_.get_implementation(),
+        peer, &peer_endpoint, ec);
     asio::detail::throw_error(ec, "accept");
     return peer;
   }
@@ -1867,7 +2025,52 @@ public:
    * This overload requires that the Protocol template parameter satisfy the
    * AcceptableProtocol type requirements.
    *
-   * @param io_context The io_context object to be used for the newly accepted
+   * @param context The I/O execution context object to be used for the newly
+   * accepted socket.
+   *
+   * @param peer_endpoint An endpoint object into which the endpoint of the
+   * remote peer will be written.
+   *
+   * @returns A socket object representing the newly accepted connection.
+   *
+   * @throws asio::system_error Thrown on failure.
+   *
+   * @par Example
+   * @code
+   * asio::ip::tcp::acceptor acceptor(my_context);
+   * ...
+   * asio::ip::tcp::endpoint endpoint;
+   * asio::ip::tcp::socket socket(
+   *     acceptor.accept(my_context2, endpoint));
+   * @endcode
+   */
+  template <typename ExecutionContext>
+  typename Protocol::socket::template rebind_executor<
+      typename ExecutionContext::executor_type>::other
+  accept(ExecutionContext& context, endpoint_type& peer_endpoint,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+  {
+    asio::error_code ec;
+    typename Protocol::socket::template rebind_executor<
+        typename ExecutionContext::executor_type>::other peer(context);
+    impl_.get_service().accept(impl_.get_implementation(),
+        peer, &peer_endpoint, ec);
+    asio::detail::throw_error(ec, "accept");
+    return peer;
+  }
+
+  /// Accept a new connection.
+  /**
+   * This function is used to accept a new connection from a peer. The function
+   * call will block until a new connection has been accepted successfully or
+   * an error occurs.
+   *
+   * This overload requires that the Protocol template parameter satisfy the
+   * AcceptableProtocol type requirements.
+   *
+   * @param ex The I/O executor object to be used for the newly accepted
    * socket.
    *
    * @param peer_endpoint An endpoint object into which the endpoint of the
@@ -1880,22 +2083,79 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * asio::ip::tcp::endpoint endpoint;
    * asio::ip::tcp::socket socket(
-   *     acceptor.accept(io_context2, endpoint, ec));
+   *     acceptor.accept(my_context2, endpoint, ec));
    * if (ec)
    * {
    *   // An error occurred.
    * }
    * @endcode
    */
-  typename Protocol::socket accept(asio::io_context& io_context,
-      endpoint_type& peer_endpoint, asio::error_code& ec)
+  template <typename Executor1>
+  typename Protocol::socket::template rebind_executor<Executor1>::other
+  accept(const executor_type& ex,
+      endpoint_type& peer_endpoint, asio::error_code& ec,
+      typename enable_if<
+        is_executor<Executor1>::value
+      >::type* = 0)
   {
-    return this->get_service().accept(this->get_implementation(),
-        &io_context, &peer_endpoint, ec);
+    typename Protocol::socket::template
+      rebind_executor<Executor1>::other peer(ex);
+    impl_.get_service().accept(impl_.get_implementation(),
+        peer, &peer_endpoint, ec);
+    return peer;
+  }
+
+  /// Accept a new connection.
+  /**
+   * This function is used to accept a new connection from a peer. The function
+   * call will block until a new connection has been accepted successfully or
+   * an error occurs.
+   *
+   * This overload requires that the Protocol template parameter satisfy the
+   * AcceptableProtocol type requirements.
+   *
+   * @param context The I/O execution context object to be used for the newly
+   * accepted socket.
+   *
+   * @param peer_endpoint An endpoint object into which the endpoint of the
+   * remote peer will be written.
+   *
+   * @param ec Set to indicate what error occurred, if any.
+   *
+   * @returns On success, a socket object representing the newly accepted
+   * connection. On error, a socket object where is_open() is false.
+   *
+   * @par Example
+   * @code
+   * asio::ip::tcp::acceptor acceptor(my_context);
+   * ...
+   * asio::ip::tcp::endpoint endpoint;
+   * asio::ip::tcp::socket socket(
+   *     acceptor.accept(my_context2, endpoint, ec));
+   * if (ec)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  template <typename ExecutionContext>
+  typename Protocol::socket::template rebind_executor<
+      typename ExecutionContext::executor_type>::other
+  accept(ExecutionContext& context,
+      endpoint_type& peer_endpoint, asio::error_code& ec,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+  {
+    typename Protocol::socket::template rebind_executor<
+        typename ExecutionContext::executor_type>::other peer(context);
+    impl_.get_service().accept(impl_.get_implementation(),
+        peer, &peer_endpoint, ec);
+    return peer;
   }
 
   /// Start an asynchronous accept.
@@ -1906,7 +2166,7 @@ public:
    * This overload requires that the Protocol template parameter satisfy the
    * AcceptableProtocol type requirements.
    *
-   * @param io_context The io_context object to be used for the newly accepted
+   * @param ex The I/O executor object to be used for the newly accepted
    * socket.
    *
    * @param peer_endpoint An endpoint object into which the endpoint of the
@@ -1919,12 +2179,13 @@ public:
    * signature of the handler must be:
    * @code void handler(
    *   const asio::error_code& error, // Result of operation.
-   *   typename Protocol::socket peer // On success, the newly accepted socket.
+   *   typename Protocol::socket::template rebind_executor<
+   *     Executor1>::other peer // On success, the newly accepted socket.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @par Example
    * @code
@@ -1939,48 +2200,179 @@ public:
    *
    * ...
    *
-   * asio::ip::tcp::acceptor acceptor(io_context);
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * asio::ip::tcp::endpoint endpoint;
-   * acceptor.async_accept(io_context2, endpoint, accept_handler);
+   * acceptor.async_accept(my_context2, endpoint, accept_handler);
    * @endcode
    */
-  template <typename MoveAcceptHandler>
+  template <typename Executor1, typename MoveAcceptHandler>
   ASIO_INITFN_RESULT_TYPE(MoveAcceptHandler,
-      void (asio::error_code, typename Protocol::socket))
-  async_accept(asio::io_context& io_context,
-      endpoint_type& peer_endpoint,
-      ASIO_MOVE_ARG(MoveAcceptHandler) handler)
-  {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a MoveAcceptHandler.
-    ASIO_MOVE_ACCEPT_HANDLER_CHECK(MoveAcceptHandler,
-        handler, typename Protocol::socket) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_accept(
-        this->get_implementation(), &io_context, &peer_endpoint,
-        ASIO_MOVE_CAST(MoveAcceptHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<MoveAcceptHandler,
       void (asio::error_code,
-        typename Protocol::socket)> init(handler);
+        typename Protocol::socket::template rebind_executor<
+          Executor1>::other))
+  async_accept(const Executor1& ex, endpoint_type& peer_endpoint,
+      ASIO_MOVE_ARG(MoveAcceptHandler) handler,
+      typename enable_if<
+        is_executor<Executor1>::value
+      >::type* = 0)
+  {
+    typedef typename Protocol::socket::template rebind_executor<
+      Executor1>::other other_socket_type;
 
-    this->get_service().async_accept(this->get_implementation(),
-        &io_context, &peer_endpoint, init.completion_handler);
+    return async_initiate<MoveAcceptHandler,
+      void (asio::error_code, other_socket_type)>(
+        initiate_async_move_accept(), handler, this,
+        ex, &peer_endpoint,
+        static_cast<other_socket_type*>(0));
+  }
 
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+  /// Start an asynchronous accept.
+  /**
+   * This function is used to asynchronously accept a new connection. The
+   * function call always returns immediately.
+   *
+   * This overload requires that the Protocol template parameter satisfy the
+   * AcceptableProtocol type requirements.
+   *
+   * @param context The I/O execution context object to be used for the newly
+   * accepted socket.
+   *
+   * @param peer_endpoint An endpoint object into which the endpoint of the
+   * remote peer will be written. Ownership of the peer_endpoint object is
+   * retained by the caller, which must guarantee that it is valid until the
+   * handler is called.
+   *
+   * @param handler The handler to be called when the accept operation
+   * completes. Copies will be made of the handler as required. The function
+   * signature of the handler must be:
+   * @code void handler(
+   *   const asio::error_code& error, // Result of operation.
+   *   typename Protocol::socket::template rebind_executor<
+   *     typename ExecutionContext::executor_type>::other peer
+   *       // On success, the newly accepted socket.
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
+   *
+   * @par Example
+   * @code
+   * void accept_handler(const asio::error_code& error,
+   *     asio::ip::tcp::socket peer)
+   * {
+   *   if (!error)
+   *   {
+   *     // Accept succeeded.
+   *   }
+   * }
+   *
+   * ...
+   *
+   * asio::ip::tcp::acceptor acceptor(my_context);
+   * ...
+   * asio::ip::tcp::endpoint endpoint;
+   * acceptor.async_accept(my_context2, endpoint, accept_handler);
+   * @endcode
+   */
+  template <typename ExecutionContext, typename MoveAcceptHandler>
+  ASIO_INITFN_RESULT_TYPE(MoveAcceptHandler,
+      void (asio::error_code,
+        typename Protocol::socket::template rebind_executor<
+          typename ExecutionContext::executor_type>::other))
+  async_accept(ExecutionContext& context,
+      endpoint_type& peer_endpoint,
+      ASIO_MOVE_ARG(MoveAcceptHandler) handler,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+  {
+    typedef typename Protocol::socket::template rebind_executor<
+      typename ExecutionContext::executor_type>::other other_socket_type;
+
+    return async_initiate<MoveAcceptHandler,
+      void (asio::error_code, other_socket_type)>(
+        initiate_async_move_accept(), handler, this,
+        context.get_executor(), &peer_endpoint,
+        static_cast<other_socket_type*>(0));
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+
+private:
+  // Disallow copying and assignment.
+  basic_socket_acceptor(const basic_socket_acceptor&) ASIO_DELETED;
+  basic_socket_acceptor& operator=(
+      const basic_socket_acceptor&) ASIO_DELETED;
+
+  struct initiate_async_wait
+  {
+    template <typename WaitHandler>
+    void operator()(ASIO_MOVE_ARG(WaitHandler) handler,
+        basic_socket_acceptor* self, wait_type w) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WaitHandler.
+      ASIO_WAIT_HANDLER_CHECK(WaitHandler, handler) type_check;
+
+      detail::non_const_lvalue<WaitHandler> handler2(handler);
+      self->impl_.get_service().async_wait(
+          self->impl_.get_implementation(), w, handler2.value,
+          self->impl_.get_implementation_executor());
+    }
+  };
+
+  struct initiate_async_accept
+  {
+    template <typename AcceptHandler, typename Protocol1, typename Executor1>
+    void operator()(ASIO_MOVE_ARG(AcceptHandler) handler,
+        basic_socket_acceptor* self, basic_socket<Protocol1, Executor1>* peer,
+        endpoint_type* peer_endpoint) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a AcceptHandler.
+      ASIO_ACCEPT_HANDLER_CHECK(AcceptHandler, handler) type_check;
+
+      detail::non_const_lvalue<AcceptHandler> handler2(handler);
+      self->impl_.get_service().async_accept(
+          self->impl_.get_implementation(), *peer, peer_endpoint,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
+
+  struct initiate_async_move_accept
+  {
+    template <typename MoveAcceptHandler, typename Executor1, typename Socket>
+    void operator()(ASIO_MOVE_ARG(MoveAcceptHandler) handler,
+        basic_socket_acceptor* self, const Executor1& peer_ex,
+        endpoint_type* peer_endpoint, Socket*) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a MoveAcceptHandler.
+      ASIO_MOVE_ACCEPT_HANDLER_CHECK(
+          MoveAcceptHandler, handler, Socket) type_check;
+
+      detail::non_const_lvalue<MoveAcceptHandler> handler2(handler);
+      self->impl_.get_service().async_move_accept(
+          self->impl_.get_implementation(), peer_ex, peer_endpoint,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
+
+#if defined(ASIO_WINDOWS_RUNTIME)
+  detail::io_object_impl<
+    detail::null_socket_service<Protocol>, Executor> impl_;
+#elif defined(ASIO_HAS_IOCP)
+  detail::io_object_impl<
+    detail::win_iocp_socket_service<Protocol>, Executor> impl_;
+#else
+  detail::io_object_impl<
+    detail::reactive_socket_service<Protocol>, Executor> impl_;
+#endif
 };
 
 } // namespace asio
 
 #include "asio/detail/pop_options.hpp"
 
-#if !defined(ASIO_ENABLE_OLD_SERVICES)
-# undef ASIO_SVC_T
-#endif // !defined(ASIO_ENABLE_OLD_SERVICES)
-
 #endif // ASIO_BASIC_SOCKET_ACCEPTOR_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_socket_iostream.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_socket_iostream.hpp
index 48acfee..135f23d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_socket_iostream.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_socket_iostream.hpp
@@ -2,7 +2,7 @@
 // basic_socket_iostream.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -23,10 +23,6 @@
 #include <ostream>
 #include "asio/basic_socket_streambuf.hpp"
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/stream_socket_service.hpp"
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #if !defined(ASIO_HAS_VARIADIC_TEMPLATES)
 
 # include "asio/detail/variadic_templates.hpp"
@@ -36,8 +32,7 @@
 //   explicit basic_socket_iostream(T1 x1, ..., Tn xn)
 //     : std::basic_iostream<char>(
 //         &this->detail::socket_iostream_base<
-//           Protocol ASIO_SVC_TARG, Clock,
-//           WaitTraits ASIO_SVC_TARG1>::streambuf_)
+//           Protocol, Clock, WaitTraits>::streambuf_)
 //   {
 //     if (rdbuf()->connect(x1, ..., xn) == 0)
 //       this->setstate(std::ios_base::failbit);
@@ -49,8 +44,7 @@
   explicit basic_socket_iostream(ASIO_VARIADIC_BYVAL_PARAMS(n)) \
     : std::basic_iostream<char>( \
         &this->detail::socket_iostream_base< \
-          Protocol ASIO_SVC_TARG, Clock, \
-          WaitTraits ASIO_SVC_TARG1>::streambuf_) \
+          Protocol, Clock, WaitTraits>::streambuf_) \
   { \
     this->setf(std::ios_base::unitbuf); \
     if (rdbuf()->connect(ASIO_VARIADIC_BYVAL_ARGS(n)) == 0) \
@@ -85,8 +79,7 @@ namespace detail {
 
 // A separate base class is used to ensure that the streambuf is initialised
 // prior to the basic_socket_iostream's basic_iostream base class.
-template <typename Protocol ASIO_SVC_TPARAM,
-    typename Clock, typename WaitTraits ASIO_SVC_TPARAM1>
+template <typename Protocol, typename Clock, typename WaitTraits>
 class socket_iostream_base
 {
 protected:
@@ -112,8 +105,7 @@ protected:
   }
 #endif // defined(ASIO_HAS_MOVE)
 
-  basic_socket_streambuf<Protocol ASIO_SVC_TARG,
-    Clock, WaitTraits ASIO_SVC_TARG1> streambuf_;
+  basic_socket_streambuf<Protocol, Clock, WaitTraits> streambuf_;
 };
 
 } // namespace detail
@@ -122,17 +114,17 @@ protected:
 #define ASIO_BASIC_SOCKET_IOSTREAM_FWD_DECL
 
 // Forward declaration with defaulted arguments.
-template <typename Protocol
-    ASIO_SVC_TPARAM_DEF1(= stream_socket_service<Protocol>),
-#if defined(ASIO_HAS_BOOST_DATE_TIME)
+template <typename Protocol,
+#if defined(ASIO_HAS_BOOST_DATE_TIME) \
+  && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
     typename Clock = boost::posix_time::ptime,
-    typename WaitTraits = time_traits<Clock>
-    ASIO_SVC_TPARAM1_DEF2(= deadline_timer_service<Clock, WaitTraits>)>
-#else
+    typename WaitTraits = time_traits<Clock> >
+#else // defined(ASIO_HAS_BOOST_DATE_TIME)
+      // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
     typename Clock = chrono::steady_clock,
-    typename WaitTraits = wait_traits<Clock>
-    ASIO_SVC_TPARAM1_DEF1(= steady_timer::service_type)>
-#endif
+    typename WaitTraits = wait_traits<Clock> >
+#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
+       // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
 class basic_socket_iostream;
 
 #endif // !defined(ASIO_BASIC_SOCKET_IOSTREAM_FWD_DECL)
@@ -143,22 +135,23 @@ template <typename Protocol,
     typename Clock = chrono::steady_clock,
     typename WaitTraits = wait_traits<Clock> >
 #else // defined(GENERATING_DOCUMENTATION)
-template <typename Protocol ASIO_SVC_TPARAM,
-    typename Clock, typename WaitTraits ASIO_SVC_TPARAM1>
+template <typename Protocol, typename Clock, typename WaitTraits>
 #endif // defined(GENERATING_DOCUMENTATION)
 class basic_socket_iostream
-  : private detail::socket_iostream_base<Protocol
-        ASIO_SVC_TARG, Clock, WaitTraits ASIO_SVC_TARG1>,
+  : private detail::socket_iostream_base<Protocol, Clock, WaitTraits>,
     public std::basic_iostream<char>
 {
 private:
   // These typedefs are intended keep this class's implementation independent
   // of whether it's using Boost.DateClock, Boost.Chrono or std::chrono.
-#if defined(ASIO_HAS_BOOST_DATE_TIME)
+#if defined(ASIO_HAS_BOOST_DATE_TIME) \
+  && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
   typedef WaitTraits traits_helper;
-#else
+#else // defined(ASIO_HAS_BOOST_DATE_TIME)
+      // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
   typedef detail::chrono_time_traits<Clock, WaitTraits> traits_helper;
-#endif
+#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
+       // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
 
 public:
   /// The protocol type.
@@ -195,8 +188,7 @@ public:
   basic_socket_iostream()
     : std::basic_iostream<char>(
         &this->detail::socket_iostream_base<
-          Protocol ASIO_SVC_TARG, Clock,
-          WaitTraits ASIO_SVC_TARG1>::streambuf_)
+          Protocol, Clock, WaitTraits>::streambuf_)
   {
     this->setf(std::ios_base::unitbuf);
   }
@@ -205,12 +197,10 @@ public:
   /// Construct a basic_socket_iostream from the supplied socket.
   explicit basic_socket_iostream(basic_stream_socket<protocol_type> s)
     : detail::socket_iostream_base<
-        Protocol ASIO_SVC_TARG, Clock,
-        WaitTraits ASIO_SVC_TARG1>(std::move(s)),
+        Protocol, Clock, WaitTraits>(std::move(s)),
       std::basic_iostream<char>(
         &this->detail::socket_iostream_base<
-          Protocol ASIO_SVC_TARG, Clock,
-          WaitTraits ASIO_SVC_TARG1>::streambuf_)
+          Protocol, Clock, WaitTraits>::streambuf_)
   {
     this->setf(std::ios_base::unitbuf);
   }
@@ -220,13 +210,11 @@ public:
   /// Move-construct a basic_socket_iostream from another.
   basic_socket_iostream(basic_socket_iostream&& other)
     : detail::socket_iostream_base<
-        Protocol ASIO_SVC_TARG, Clock,
-        WaitTraits ASIO_SVC_TARG1>(std::move(other)),
+        Protocol, Clock, WaitTraits>(std::move(other)),
       std::basic_iostream<char>(std::move(other))
   {
     this->set_rdbuf(&this->detail::socket_iostream_base<
-          Protocol ASIO_SVC_TARG, Clock,
-          WaitTraits ASIO_SVC_TARG1>::streambuf_);
+          Protocol, Clock, WaitTraits>::streambuf_);
   }
 
   /// Move-assign a basic_socket_iostream from another.
@@ -234,8 +222,7 @@ public:
   {
     std::basic_iostream<char>::operator=(std::move(other));
     detail::socket_iostream_base<
-        Protocol ASIO_SVC_TARG, Clock,
-        WaitTraits ASIO_SVC_TARG1>::operator=(std::move(other));
+        Protocol, Clock, WaitTraits>::operator=(std::move(other));
     return *this;
   }
 #endif // defined(ASIO_HAS_STD_IOSTREAM_MOVE)
@@ -256,8 +243,7 @@ public:
   explicit basic_socket_iostream(T... x)
     : std::basic_iostream<char>(
         &this->detail::socket_iostream_base<
-          Protocol ASIO_SVC_TARG, Clock,
-          WaitTraits ASIO_SVC_TARG1>::streambuf_)
+          Protocol, Clock, WaitTraits>::streambuf_)
   {
     this->setf(std::ios_base::unitbuf);
     if (rdbuf()->connect(x...) == 0)
@@ -295,18 +281,15 @@ public:
   }
 
   /// Return a pointer to the underlying streambuf.
-  basic_socket_streambuf<Protocol ASIO_SVC_TARG,
-    Clock, WaitTraits ASIO_SVC_TARG1>* rdbuf() const
+  basic_socket_streambuf<Protocol, Clock, WaitTraits>* rdbuf() const
   {
-    return const_cast<basic_socket_streambuf<Protocol ASIO_SVC_TARG,
-      Clock, WaitTraits ASIO_SVC_TARG1>*>(
+    return const_cast<basic_socket_streambuf<Protocol, Clock, WaitTraits>*>(
         &this->detail::socket_iostream_base<
-          Protocol ASIO_SVC_TARG, Clock,
-          WaitTraits ASIO_SVC_TARG1>::streambuf_);
+          Protocol, Clock, WaitTraits>::streambuf_);
   }
 
   /// Get a reference to the underlying socket.
-  basic_socket<Protocol ASIO_SVC_TARG>& socket()
+  basic_socket<Protocol>& socket()
   {
     return rdbuf()->socket();
   }
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_socket_streambuf.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_socket_streambuf.hpp
index 81fa55e..bf36bac 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_socket_streambuf.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_socket_streambuf.hpp
@@ -2,7 +2,7 @@
 // basic_socket_streambuf.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -28,19 +28,14 @@
 #include "asio/detail/throw_error.hpp"
 #include "asio/io_context.hpp"
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/stream_socket_service.hpp"
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#if defined(ASIO_HAS_BOOST_DATE_TIME)
-# if defined(ASIO_ENABLE_OLD_SERVICES)
-#  include "asio/deadline_timer_service.hpp"
-# else // defined(ASIO_ENABLE_OLD_SERVICES)
-#  include "asio/detail/deadline_timer_service.hpp"
-# endif // defined(ASIO_ENABLE_OLD_SERVICES)
-#else
+#if defined(ASIO_HAS_BOOST_DATE_TIME) \
+  && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
+# include "asio/detail/deadline_timer_service.hpp"
+#else // defined(ASIO_HAS_BOOST_DATE_TIME)
+      // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
 # include "asio/steady_timer.hpp"
-#endif
+#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
+       // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
 
 #if !defined(ASIO_HAS_VARIADIC_TEMPLATES)
 
@@ -52,7 +47,7 @@
 //   {
 //     init_buffers();
 //     typedef typename Protocol::resolver resolver_type;
-//     resolver_type resolver(socket().get_executor().context());
+//     resolver_type resolver(socket().get_executor());
 //     connect_to_endpoints(
 //         resolver.resolve(x1, ..., xn, ec_));
 //     return !ec_ ? this : 0;
@@ -65,7 +60,7 @@
   { \
     init_buffers(); \
     typedef typename Protocol::resolver resolver_type; \
-    resolver_type resolver(socket().get_executor().context()); \
+    resolver_type resolver(socket().get_executor()); \
     connect_to_endpoints( \
         resolver.resolve(ASIO_VARIADIC_BYVAL_ARGS(n), ec_)); \
     return !ec_ ? this : 0; \
@@ -74,10 +69,6 @@
 
 #endif // !defined(ASIO_HAS_VARIADIC_TEMPLATES)
 
-#if !defined(ASIO_ENABLE_OLD_SERVICES)
-# define ASIO_SVC_T1 detail::deadline_timer_service<traits_helper>
-#endif // !defined(ASIO_ENABLE_OLD_SERVICES)
-
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
@@ -121,17 +112,17 @@ protected:
 #define ASIO_BASIC_SOCKET_STREAMBUF_FWD_DECL
 
 // Forward declaration with defaulted arguments.
-template <typename Protocol
-    ASIO_SVC_TPARAM_DEF1(= stream_socket_service<Protocol>),
-#if defined(ASIO_HAS_BOOST_DATE_TIME)
+template <typename Protocol,
+#if defined(ASIO_HAS_BOOST_DATE_TIME) \
+  && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
     typename Clock = boost::posix_time::ptime,
-    typename WaitTraits = time_traits<Clock>
-    ASIO_SVC_TPARAM1_DEF2(= deadline_timer_service<Clock, WaitTraits>)>
-#else
+    typename WaitTraits = time_traits<Clock> >
+#else // defined(ASIO_HAS_BOOST_DATE_TIME)
+      // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
     typename Clock = chrono::steady_clock,
-    typename WaitTraits = wait_traits<Clock>
-    ASIO_SVC_TPARAM1_DEF1(= steady_timer::service_type)>
-#endif
+    typename WaitTraits = wait_traits<Clock> >
+#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
+       // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
 class basic_socket_streambuf;
 
 #endif // !defined(ASIO_BASIC_SOCKET_STREAMBUF_FWD_DECL)
@@ -142,27 +133,29 @@ template <typename Protocol,
     typename Clock = chrono::steady_clock,
     typename WaitTraits = wait_traits<Clock> >
 #else // defined(GENERATING_DOCUMENTATION)
-template <typename Protocol ASIO_SVC_TPARAM,
-    typename Clock, typename WaitTraits ASIO_SVC_TPARAM1>
+template <typename Protocol, typename Clock, typename WaitTraits>
 #endif // defined(GENERATING_DOCUMENTATION)
 class basic_socket_streambuf
   : public std::streambuf,
     private detail::socket_streambuf_io_context,
     private detail::socket_streambuf_buffers,
 #if defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
-    private basic_socket<Protocol ASIO_SVC_TARG>
+    private basic_socket<Protocol>
 #else // defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
-    public basic_socket<Protocol ASIO_SVC_TARG>
+    public basic_socket<Protocol>
 #endif // defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
 {
 private:
   // These typedefs are intended keep this class's implementation independent
   // of whether it's using Boost.DateClock, Boost.Chrono or std::chrono.
-#if defined(ASIO_HAS_BOOST_DATE_TIME)
+#if defined(ASIO_HAS_BOOST_DATE_TIME) \
+  && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
   typedef WaitTraits traits_helper;
-#else
+#else // defined(ASIO_HAS_BOOST_DATE_TIME)
+      // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
   typedef detail::chrono_time_traits<Clock, WaitTraits> traits_helper;
-#endif
+#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
+       // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
 
 public:
   /// The protocol type.
@@ -198,7 +191,7 @@ public:
   /// Construct a basic_socket_streambuf without establishing a connection.
   basic_socket_streambuf()
     : detail::socket_streambuf_io_context(new io_context),
-      basic_socket<Protocol ASIO_SVC_TARG>(*default_io_context_),
+      basic_socket<Protocol>(*default_io_context_),
       expiry_time_(max_expiry_time())
   {
     init_buffers();
@@ -208,7 +201,7 @@ public:
   /// Construct a basic_socket_streambuf from the supplied socket.
   explicit basic_socket_streambuf(basic_stream_socket<protocol_type> s)
     : detail::socket_streambuf_io_context(0),
-      basic_socket<Protocol ASIO_SVC_TARG>(std::move(s)),
+      basic_socket<Protocol>(std::move(s)),
       expiry_time_(max_expiry_time())
   {
     init_buffers();
@@ -217,7 +210,7 @@ public:
   /// Move-construct a basic_socket_streambuf from another.
   basic_socket_streambuf(basic_socket_streambuf&& other)
     : detail::socket_streambuf_io_context(other),
-      basic_socket<Protocol ASIO_SVC_TARG>(std::move(other.socket())),
+      basic_socket<Protocol>(std::move(other.socket())),
       ec_(other.ec_),
       expiry_time_(other.expiry_time_)
   {
@@ -290,7 +283,7 @@ public:
   {
     init_buffers();
     typedef typename Protocol::resolver resolver_type;
-    resolver_type resolver(socket().get_executor().context());
+    resolver_type resolver(socket().get_executor());
     connect_to_endpoints(resolver.resolve(x..., ec_));
     return !ec_ ? this : 0;
   }
@@ -313,7 +306,7 @@ public:
   }
 
   /// Get a reference to the underlying socket.
-  basic_socket<Protocol ASIO_SVC_TARG>& socket()
+  basic_socket<Protocol>& socket()
   {
     return *this;
   }
@@ -666,11 +659,14 @@ private:
   // Helper function to get the maximum expiry time.
   static time_point max_expiry_time()
   {
-#if defined(ASIO_HAS_BOOST_DATE_TIME)
+#if defined(ASIO_HAS_BOOST_DATE_TIME) \
+  && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
     return boost::posix_time::pos_infin;
 #else // defined(ASIO_HAS_BOOST_DATE_TIME)
+      // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
     return (time_point::max)();
 #endif // defined(ASIO_HAS_BOOST_DATE_TIME)
+       // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
   }
 
   enum { putback_max = 8 };
@@ -682,10 +678,6 @@ private:
 
 #include "asio/detail/pop_options.hpp"
 
-#if !defined(ASIO_ENABLE_OLD_SERVICES)
-# undef ASIO_SVC_T1
-#endif // !defined(ASIO_ENABLE_OLD_SERVICES)
-
 #if !defined(ASIO_HAS_VARIADIC_TEMPLATES)
 # undef ASIO_PRIVATE_CONNECT_DEF
 #endif // !defined(ASIO_HAS_VARIADIC_TEMPLATES)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_stream_socket.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_stream_socket.hpp
index 95d9ccd..a4b0222 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_stream_socket.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_stream_socket.hpp
@@ -2,7 +2,7 @@
 // basic_stream_socket.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -20,17 +20,23 @@
 #include "asio/async_result.hpp"
 #include "asio/basic_socket.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
 #include "asio/detail/throw_error.hpp"
 #include "asio/error.hpp"
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/stream_socket_service.hpp"
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
 
+#if !defined(ASIO_BASIC_STREAM_SOCKET_FWD_DECL)
+#define ASIO_BASIC_STREAM_SOCKET_FWD_DECL
+
+// Forward declaration with defaulted arguments.
+template <typename Protocol, typename Executor = executor>
+class basic_stream_socket;
+
+#endif // !defined(ASIO_BASIC_STREAM_SOCKET_FWD_DECL)
+
 /// Provides stream-oriented socket functionality.
 /**
  * The basic_stream_socket class template provides asynchronous and blocking
@@ -43,18 +49,28 @@ namespace asio {
  * @par Concepts:
  * AsyncReadStream, AsyncWriteStream, Stream, SyncReadStream, SyncWriteStream.
  */
-template <typename Protocol
-    ASIO_SVC_TPARAM_DEF1(= stream_socket_service<Protocol>)>
+template <typename Protocol, typename Executor>
 class basic_stream_socket
-  : public basic_socket<Protocol ASIO_SVC_TARG>
+  : public basic_socket<Protocol, Executor>
 {
 public:
+  /// The type of the executor associated with the object.
+  typedef Executor executor_type;
+
+  /// Rebinds the socket type to another executor.
+  template <typename Executor1>
+  struct rebind_executor
+  {
+    /// The socket type when rebound to the specified executor.
+    typedef basic_stream_socket<Protocol, Executor1> other;
+  };
+
   /// The native representation of a socket.
 #if defined(GENERATING_DOCUMENTATION)
   typedef implementation_defined native_handle_type;
 #else
-  typedef typename basic_socket<
-    Protocol ASIO_SVC_TARG>::native_handle_type native_handle_type;
+  typedef typename basic_socket<Protocol,
+    Executor>::native_handle_type native_handle_type;
 #endif
 
   /// The protocol type.
@@ -69,11 +85,30 @@ public:
    * needs to be opened and then connected or accepted before data can be sent
    * or received on it.
    *
-   * @param io_context The io_context object that the stream socket will use to
+   * @param ex The I/O executor that the socket will use, by default, to
    * dispatch handlers for any asynchronous operations performed on the socket.
    */
-  explicit basic_stream_socket(asio::io_context& io_context)
-    : basic_socket<Protocol ASIO_SVC_TARG>(io_context)
+  explicit basic_stream_socket(const executor_type& ex)
+    : basic_socket<Protocol, Executor>(ex)
+  {
+  }
+
+  /// Construct a basic_stream_socket without opening it.
+  /**
+   * This constructor creates a stream socket without opening it. The socket
+   * needs to be opened and then connected or accepted before data can be sent
+   * or received on it.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   */
+  template <typename ExecutionContext>
+  explicit basic_stream_socket(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context)
   {
   }
 
@@ -82,16 +117,37 @@ public:
    * This constructor creates and opens a stream socket. The socket needs to be
    * connected or accepted before data can be sent or received on it.
    *
-   * @param io_context The io_context object that the stream socket will use to
+   * @param ex The I/O executor that the socket will use, by default, to
    * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param protocol An object specifying protocol parameters to be used.
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_stream_socket(asio::io_context& io_context,
-      const protocol_type& protocol)
-    : basic_socket<Protocol ASIO_SVC_TARG>(io_context, protocol)
+  basic_stream_socket(const executor_type& ex, const protocol_type& protocol)
+    : basic_socket<Protocol, Executor>(ex, protocol)
+  {
+  }
+
+  /// Construct and open a basic_stream_socket.
+  /**
+   * This constructor creates and opens a stream socket. The socket needs to be
+   * connected or accepted before data can be sent or received on it.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_stream_socket(ExecutionContext& context, const protocol_type& protocol,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context, protocol)
   {
   }
 
@@ -102,7 +158,7 @@ public:
    * to the specified endpoint on the local machine. The protocol used is the
    * protocol associated with the given endpoint.
    *
-   * @param io_context The io_context object that the stream socket will use to
+   * @param ex The I/O executor that the socket will use, by default, to
    * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param endpoint An endpoint on the local machine to which the stream
@@ -110,9 +166,33 @@ public:
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_stream_socket(asio::io_context& io_context,
-      const endpoint_type& endpoint)
-    : basic_socket<Protocol ASIO_SVC_TARG>(io_context, endpoint)
+  basic_stream_socket(const executor_type& ex, const endpoint_type& endpoint)
+    : basic_socket<Protocol, Executor>(ex, endpoint)
+  {
+  }
+
+  /// Construct a basic_stream_socket, opening it and binding it to the given
+  /// local endpoint.
+  /**
+   * This constructor creates a stream socket and automatically opens it bound
+   * to the specified endpoint on the local machine. The protocol used is the
+   * protocol associated with the given endpoint.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param endpoint An endpoint on the local machine to which the stream
+   * socket will be bound.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_stream_socket(ExecutionContext& context, const endpoint_type& endpoint,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context, endpoint)
   {
   }
 
@@ -121,7 +201,7 @@ public:
    * This constructor creates a stream socket object to hold an existing native
    * socket.
    *
-   * @param io_context The io_context object that the stream socket will use to
+   * @param ex The I/O executor that the socket will use, by default, to
    * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param protocol An object specifying protocol parameters to be used.
@@ -130,10 +210,34 @@ public:
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_stream_socket(asio::io_context& io_context,
+  basic_stream_socket(const executor_type& ex,
       const protocol_type& protocol, const native_handle_type& native_socket)
-    : basic_socket<Protocol ASIO_SVC_TARG>(
-        io_context, protocol, native_socket)
+    : basic_socket<Protocol, Executor>(ex, protocol, native_socket)
+  {
+  }
+
+  /// Construct a basic_stream_socket on an existing native socket.
+  /**
+   * This constructor creates a stream socket object to hold an existing native
+   * socket.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @param native_socket The new underlying socket implementation.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_stream_socket(ExecutionContext& context,
+      const protocol_type& protocol, const native_handle_type& native_socket,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context, protocol, native_socket)
   {
   }
 
@@ -146,10 +250,11 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_stream_socket(io_context&) constructor.
+   * constructed using the @c basic_stream_socket(const executor_type&)
+   * constructor.
    */
   basic_stream_socket(basic_stream_socket&& other)
-    : basic_socket<Protocol ASIO_SVC_TARG>(std::move(other))
+    : basic_socket<Protocol, Executor>(std::move(other))
   {
   }
 
@@ -161,11 +266,12 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_stream_socket(io_context&) constructor.
+   * constructed using the @c basic_stream_socket(const executor_type&)
+   * constructor.
    */
   basic_stream_socket& operator=(basic_stream_socket&& other)
   {
-    basic_socket<Protocol ASIO_SVC_TARG>::operator=(std::move(other));
+    basic_socket<Protocol, Executor>::operator=(std::move(other));
     return *this;
   }
 
@@ -178,13 +284,16 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_stream_socket(io_context&) constructor.
+   * constructed using the @c basic_stream_socket(const executor_type&)
+   * constructor.
    */
-  template <typename Protocol1 ASIO_SVC_TPARAM1>
-  basic_stream_socket(
-      basic_stream_socket<Protocol1 ASIO_SVC_TARG1>&& other,
-      typename enable_if<is_convertible<Protocol1, Protocol>::value>::type* = 0)
-    : basic_socket<Protocol ASIO_SVC_TARG>(std::move(other))
+  template <typename Protocol1, typename Executor1>
+  basic_stream_socket(basic_stream_socket<Protocol1, Executor1>&& other,
+      typename enable_if<
+        is_convertible<Protocol1, Protocol>::value
+          && is_convertible<Executor1, Executor>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(std::move(other))
   {
   }
 
@@ -196,14 +305,17 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_stream_socket(io_context&) constructor.
+   * constructed using the @c basic_stream_socket(const executor_type&)
+   * constructor.
    */
-  template <typename Protocol1 ASIO_SVC_TPARAM1>
-  typename enable_if<is_convertible<Protocol1, Protocol>::value,
-      basic_stream_socket>::type& operator=(
-        basic_stream_socket<Protocol1 ASIO_SVC_TARG1>&& other)
+  template <typename Protocol1, typename Executor1>
+  typename enable_if<
+    is_convertible<Protocol1, Protocol>::value
+      && is_convertible<Executor1, Executor>::value,
+    basic_stream_socket&
+  >::type operator=(basic_stream_socket<Protocol1, Executor1>&& other)
   {
-    basic_socket<Protocol ASIO_SVC_TARG>::operator=(std::move(other));
+    basic_socket<Protocol, Executor>::operator=(std::move(other));
     return *this;
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
@@ -246,8 +358,8 @@ public:
   std::size_t send(const ConstBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().send(
-        this->get_implementation(), buffers, 0, ec);
+    std::size_t s = this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, 0, ec);
     asio::detail::throw_error(ec, "send");
     return s;
   }
@@ -284,8 +396,8 @@ public:
       socket_base::message_flags flags)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().send(
-        this->get_implementation(), buffers, flags, ec);
+    std::size_t s = this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, flags, ec);
     asio::detail::throw_error(ec, "send");
     return s;
   }
@@ -312,8 +424,8 @@ public:
   std::size_t send(const ConstBufferSequence& buffers,
       socket_base::message_flags flags, asio::error_code& ec)
   {
-    return this->get_service().send(
-        this->get_implementation(), buffers, flags, ec);
+    return this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, flags, ec);
   }
 
   /// Start an asynchronous send.
@@ -334,9 +446,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes sent.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The send operation may not transmit all of the data to the peer.
    * Consider using the @ref async_write function if you need to ensure that all
@@ -357,24 +469,10 @@ public:
   async_send(const ConstBufferSequence& buffers,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_send(
-        this->get_implementation(), buffers, 0,
-        ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_send(
-        this->get_implementation(), buffers, 0,
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_send(), handler, this,
+        buffers, socket_base::message_flags(0));
   }
 
   /// Start an asynchronous send.
@@ -397,9 +495,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes sent.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The send operation may not transmit all of the data to the peer.
    * Consider using the @ref async_write function if you need to ensure that all
@@ -421,24 +519,9 @@ public:
       socket_base::message_flags flags,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_send(
-        this->get_implementation(), buffers, flags,
-        ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_send(
-        this->get_implementation(), buffers, flags,
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_send(), handler, this, buffers, flags);
   }
 
   /// Receive some data on the socket.
@@ -473,8 +556,8 @@ public:
   std::size_t receive(const MutableBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().receive(
-        this->get_implementation(), buffers, 0, ec);
+    std::size_t s = this->impl_.get_service().receive(
+        this->impl_.get_implementation(), buffers, 0, ec);
     asio::detail::throw_error(ec, "receive");
     return s;
   }
@@ -514,8 +597,8 @@ public:
       socket_base::message_flags flags)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().receive(
-        this->get_implementation(), buffers, flags, ec);
+    std::size_t s = this->impl_.get_service().receive(
+        this->impl_.get_implementation(), buffers, flags, ec);
     asio::detail::throw_error(ec, "receive");
     return s;
   }
@@ -542,8 +625,8 @@ public:
   std::size_t receive(const MutableBufferSequence& buffers,
       socket_base::message_flags flags, asio::error_code& ec)
   {
-    return this->get_service().receive(
-        this->get_implementation(), buffers, flags, ec);
+    return this->impl_.get_service().receive(
+        this->impl_.get_implementation(), buffers, flags, ec);
   }
 
   /// Start an asynchronous receive.
@@ -564,9 +647,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes received.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The receive operation may not receive all of the requested number of
    * bytes. Consider using the @ref async_read function if you need to ensure
@@ -589,22 +672,10 @@ public:
   async_receive(const MutableBufferSequence& buffers,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive(this->get_implementation(),
-        buffers, 0, ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive(this->get_implementation(),
-        buffers, 0, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive(), handler, this,
+        buffers, socket_base::message_flags(0));
   }
 
   /// Start an asynchronous receive.
@@ -627,9 +698,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes received.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The receive operation may not receive all of the requested number of
    * bytes. Consider using the @ref async_read function if you need to ensure
@@ -653,22 +724,9 @@ public:
       socket_base::message_flags flags,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive(this->get_implementation(),
-        buffers, flags, ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive(this->get_implementation(),
-        buffers, flags, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive(), handler, this, buffers, flags);
   }
 
   /// Write some data to the socket.
@@ -702,8 +760,8 @@ public:
   std::size_t write_some(const ConstBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().send(
-        this->get_implementation(), buffers, 0, ec);
+    std::size_t s = this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, 0, ec);
     asio::detail::throw_error(ec, "write_some");
     return s;
   }
@@ -728,7 +786,8 @@ public:
   std::size_t write_some(const ConstBufferSequence& buffers,
       asio::error_code& ec)
   {
-    return this->get_service().send(this->get_implementation(), buffers, 0, ec);
+    return this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, 0, ec);
   }
 
   /// Start an asynchronous write.
@@ -749,9 +808,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes written.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The write operation may not transmit all of the data to the peer.
    * Consider using the @ref async_write function if you need to ensure that all
@@ -772,22 +831,10 @@ public:
   async_write_some(const ConstBufferSequence& buffers,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_send(this->get_implementation(),
-        buffers, 0, ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_send(this->get_implementation(),
-        buffers, 0, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_send(), handler, this,
+        buffers, socket_base::message_flags(0));
   }
 
   /// Read some data from the socket.
@@ -822,8 +869,8 @@ public:
   std::size_t read_some(const MutableBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().receive(
-        this->get_implementation(), buffers, 0, ec);
+    std::size_t s = this->impl_.get_service().receive(
+        this->impl_.get_implementation(), buffers, 0, ec);
     asio::detail::throw_error(ec, "read_some");
     return s;
   }
@@ -849,8 +896,8 @@ public:
   std::size_t read_some(const MutableBufferSequence& buffers,
       asio::error_code& ec)
   {
-    return this->get_service().receive(
-        this->get_implementation(), buffers, 0, ec);
+    return this->impl_.get_service().receive(
+        this->impl_.get_implementation(), buffers, 0, ec);
   }
 
   /// Start an asynchronous read.
@@ -871,9 +918,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes read.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The read operation may not read all of the requested number of bytes.
    * Consider using the @ref async_read function if you need to ensure that the
@@ -895,23 +942,48 @@ public:
   async_read_some(const MutableBufferSequence& buffers,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive(this->get_implementation(),
-        buffers, 0, ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive(this->get_implementation(),
-        buffers, 0, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive(), handler, this,
+        buffers, socket_base::message_flags(0));
   }
+
+private:
+  struct initiate_async_send
+  {
+    template <typename WriteHandler, typename ConstBufferSequence>
+    void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
+        basic_stream_socket* self, const ConstBufferSequence& buffers,
+        socket_base::message_flags flags) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WriteHandler.
+      ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
+
+      detail::non_const_lvalue<WriteHandler> handler2(handler);
+      self->impl_.get_service().async_send(
+          self->impl_.get_implementation(), buffers, flags,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
+
+  struct initiate_async_receive
+  {
+    template <typename ReadHandler, typename MutableBufferSequence>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        basic_stream_socket* self, const MutableBufferSequence& buffers,
+        socket_base::message_flags flags) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      detail::non_const_lvalue<ReadHandler> handler2(handler);
+      self->impl_.get_service().async_receive(
+          self->impl_.get_implementation(), buffers, flags,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
 };
 
 } // namespace asio
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_streambuf.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_streambuf.hpp
index 6c83939..7a10672 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_streambuf.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_streambuf.hpp
@@ -2,7 +2,7 @@
 // basic_streambuf.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_streambuf_fwd.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_streambuf_fwd.hpp
index 09a5b75..31a4303 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_streambuf_fwd.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_streambuf_fwd.hpp
@@ -2,7 +2,7 @@
 // basic_streambuf_fwd.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_waitable_timer.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_waitable_timer.hpp
index 976c173..5f45027 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_waitable_timer.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_waitable_timer.hpp
@@ -2,7 +2,7 @@
 // basic_waitable_timer.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -17,26 +17,20 @@
 
 #include "asio/detail/config.hpp"
 #include <cstddef>
-#include "asio/basic_io_object.hpp"
+#include "asio/detail/chrono_time_traits.hpp"
+#include "asio/detail/deadline_timer_service.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/io_object_impl.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
 #include "asio/detail/throw_error.hpp"
 #include "asio/error.hpp"
+#include "asio/executor.hpp"
 #include "asio/wait_traits.hpp"
 
 #if defined(ASIO_HAS_MOVE)
 # include <utility>
 #endif // defined(ASIO_HAS_MOVE)
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/waitable_timer_service.hpp"
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/detail/chrono_time_traits.hpp"
-# include "asio/detail/deadline_timer_service.hpp"
-# define ASIO_SVC_T \
-    detail::deadline_timer_service< \
-      detail::chrono_time_traits<Clock, WaitTraits> >
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
@@ -46,8 +40,8 @@ namespace asio {
 
 // Forward declaration with defaulted arguments.
 template <typename Clock,
-    typename WaitTraits = asio::wait_traits<Clock>
-    ASIO_SVC_TPARAM_DEF2(= waitable_timer_service<Clock, WaitTraits>)>
+    typename WaitTraits = asio::wait_traits<Clock>,
+    typename Executor = executor>
 class basic_waitable_timer;
 
 #endif // !defined(ASIO_BASIC_WAITABLE_TIMER_FWD_DECL)
@@ -75,7 +69,7 @@ class basic_waitable_timer;
  * Performing a blocking wait (C++11):
  * @code
  * // Construct a timer without setting an expiry time.
- * asio::steady_timer timer(io_context);
+ * asio::steady_timer timer(my_context);
  *
  * // Set an expiry time relative to now.
  * timer.expires_after(std::chrono::seconds(5));
@@ -98,7 +92,7 @@ class basic_waitable_timer;
  * ...
  *
  * // Construct a timer with an absolute expiry time.
- * asio::steady_timer timer(io_context,
+ * asio::steady_timer timer(my_context,
  *     std::chrono::steady_clock::now() + std::chrono::seconds(60));
  *
  * // Start an asynchronous wait.
@@ -144,13 +138,12 @@ class basic_waitable_timer;
  * @li If a wait handler is cancelled, the asio::error_code passed to
  * it contains the value asio::error::operation_aborted.
  */
-template <typename Clock, typename WaitTraits ASIO_SVC_TPARAM>
+template <typename Clock, typename WaitTraits, typename Executor>
 class basic_waitable_timer
-  : ASIO_SVC_ACCESS basic_io_object<ASIO_SVC_T>
 {
 public:
   /// The type of the executor associated with the object.
-  typedef io_context::executor_type executor_type;
+  typedef Executor executor_type;
 
   /// The clock type.
   typedef Clock clock_type;
@@ -170,11 +163,30 @@ public:
    * expires_at() or expires_after() functions must be called to set an expiry
    * time before the timer can be waited on.
    *
-   * @param io_context The io_context object that the timer will use to dispatch
-   * handlers for any asynchronous operations performed on the timer.
+   * @param ex The I/O executor that the timer will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the timer.
    */
-  explicit basic_waitable_timer(asio::io_context& io_context)
-    : basic_io_object<ASIO_SVC_T>(io_context)
+  explicit basic_waitable_timer(const executor_type& ex)
+    : impl_(ex)
+  {
+  }
+
+  /// Constructor.
+  /**
+   * This constructor creates a timer without setting an expiry time. The
+   * expires_at() or expires_after() functions must be called to set an expiry
+   * time before the timer can be waited on.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the timer will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the timer.
+   */
+  template <typename ExecutionContext>
+  explicit basic_waitable_timer(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
   {
   }
 
@@ -182,18 +194,41 @@ public:
   /**
    * This constructor creates a timer and sets the expiry time.
    *
-   * @param io_context The io_context object that the timer will use to dispatch
-   * handlers for any asynchronous operations performed on the timer.
+   * @param ex The I/O executor object that the timer will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the timer.
    *
    * @param expiry_time The expiry time to be used for the timer, expressed
    * as an absolute time.
    */
-  basic_waitable_timer(asio::io_context& io_context,
-      const time_point& expiry_time)
-    : basic_io_object<ASIO_SVC_T>(io_context)
+  basic_waitable_timer(const executor_type& ex, const time_point& expiry_time)
+    : impl_(ex)
   {
     asio::error_code ec;
-    this->get_service().expires_at(this->get_implementation(), expiry_time, ec);
+    impl_.get_service().expires_at(impl_.get_implementation(), expiry_time, ec);
+    asio::detail::throw_error(ec, "expires_at");
+  }
+
+  /// Constructor to set a particular expiry time as an absolute time.
+  /**
+   * This constructor creates a timer and sets the expiry time.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the timer will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the timer.
+   *
+   * @param expiry_time The expiry time to be used for the timer, expressed
+   * as an absolute time.
+   */
+  template <typename ExecutionContext>
+  explicit basic_waitable_timer(ExecutionContext& context,
+      const time_point& expiry_time,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    impl_.get_service().expires_at(impl_.get_implementation(), expiry_time, ec);
     asio::detail::throw_error(ec, "expires_at");
   }
 
@@ -201,19 +236,43 @@ public:
   /**
    * This constructor creates a timer and sets the expiry time.
    *
-   * @param io_context The io_context object that the timer will use to dispatch
-   * handlers for any asynchronous operations performed on the timer.
+   * @param ex The I/O executor that the timer will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the timer.
    *
    * @param expiry_time The expiry time to be used for the timer, relative to
    * now.
    */
-  basic_waitable_timer(asio::io_context& io_context,
-      const duration& expiry_time)
-    : basic_io_object<ASIO_SVC_T>(io_context)
+  basic_waitable_timer(const executor_type& ex, const duration& expiry_time)
+    : impl_(ex)
   {
     asio::error_code ec;
-    this->get_service().expires_after(
-        this->get_implementation(), expiry_time, ec);
+    impl_.get_service().expires_after(
+        impl_.get_implementation(), expiry_time, ec);
+    asio::detail::throw_error(ec, "expires_after");
+  }
+
+  /// Constructor to set a particular expiry time relative to now.
+  /**
+   * This constructor creates a timer and sets the expiry time.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the timer will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the timer.
+   *
+   * @param expiry_time The expiry time to be used for the timer, relative to
+   * now.
+   */
+  template <typename ExecutionContext>
+  explicit basic_waitable_timer(ExecutionContext& context,
+      const duration& expiry_time,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    impl_.get_service().expires_after(
+        impl_.get_implementation(), expiry_time, ec);
     asio::detail::throw_error(ec, "expires_after");
   }
 
@@ -226,10 +285,11 @@ public:
    * occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_waitable_timer(io_context&) constructor.
+   * constructed using the @c basic_waitable_timer(const executor_type&)
+   * constructor.
    */
   basic_waitable_timer(basic_waitable_timer&& other)
-    : basic_io_object<ASIO_SVC_T>(std::move(other))
+    : impl_(std::move(other.impl_))
   {
   }
 
@@ -242,11 +302,12 @@ public:
    * occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_waitable_timer(io_context&) constructor.
+   * constructed using the @c basic_waitable_timer(const executor_type&)
+   * constructor.
    */
   basic_waitable_timer& operator=(basic_waitable_timer&& other)
   {
-    basic_io_object<ASIO_SVC_T>::operator=(std::move(other));
+    impl_ = std::move(other.impl_);
     return *this;
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
@@ -260,45 +321,11 @@ public:
   {
   }
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-  // These functions are provided by basic_io_object<>.
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-#if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_context()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_context();
-  }
-
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_service()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_service();
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
   /// Get the executor associated with the object.
   executor_type get_executor() ASIO_NOEXCEPT
   {
-    return basic_io_object<ASIO_SVC_T>::get_executor();
+    return impl_.get_executor();
   }
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
 
   /// Cancel any asynchronous operations that are waiting on the timer.
   /**
@@ -325,7 +352,7 @@ public:
   std::size_t cancel()
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().cancel(this->get_implementation(), ec);
+    std::size_t s = impl_.get_service().cancel(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "cancel");
     return s;
   }
@@ -356,7 +383,7 @@ public:
    */
   std::size_t cancel(asio::error_code& ec)
   {
-    return this->get_service().cancel(this->get_implementation(), ec);
+    return impl_.get_service().cancel(impl_.get_implementation(), ec);
   }
 #endif // !defined(ASIO_NO_DEPRECATED)
 
@@ -387,8 +414,8 @@ public:
   std::size_t cancel_one()
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().cancel_one(
-        this->get_implementation(), ec);
+    std::size_t s = impl_.get_service().cancel_one(
+        impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "cancel_one");
     return s;
   }
@@ -421,7 +448,7 @@ public:
    */
   std::size_t cancel_one(asio::error_code& ec)
   {
-    return this->get_service().cancel_one(this->get_implementation(), ec);
+    return impl_.get_service().cancel_one(impl_.get_implementation(), ec);
   }
 
   /// (Deprecated: Use expiry().) Get the timer's expiry time as an absolute
@@ -432,7 +459,7 @@ public:
    */
   time_point expires_at() const
   {
-    return this->get_service().expires_at(this->get_implementation());
+    return impl_.get_service().expires_at(impl_.get_implementation());
   }
 #endif // !defined(ASIO_NO_DEPRECATED)
 
@@ -443,7 +470,7 @@ public:
    */
   time_point expiry() const
   {
-    return this->get_service().expiry(this->get_implementation());
+    return impl_.get_service().expiry(impl_.get_implementation());
   }
 
   /// Set the timer's expiry time as an absolute time.
@@ -471,8 +498,8 @@ public:
   std::size_t expires_at(const time_point& expiry_time)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().expires_at(
-        this->get_implementation(), expiry_time, ec);
+    std::size_t s = impl_.get_service().expires_at(
+        impl_.get_implementation(), expiry_time, ec);
     asio::detail::throw_error(ec, "expires_at");
     return s;
   }
@@ -504,8 +531,8 @@ public:
   std::size_t expires_at(const time_point& expiry_time,
       asio::error_code& ec)
   {
-    return this->get_service().expires_at(
-        this->get_implementation(), expiry_time, ec);
+    return impl_.get_service().expires_at(
+        impl_.get_implementation(), expiry_time, ec);
   }
 #endif // !defined(ASIO_NO_DEPRECATED)
 
@@ -534,8 +561,8 @@ public:
   std::size_t expires_after(const duration& expiry_time)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().expires_after(
-        this->get_implementation(), expiry_time, ec);
+    std::size_t s = impl_.get_service().expires_after(
+        impl_.get_implementation(), expiry_time, ec);
     asio::detail::throw_error(ec, "expires_after");
     return s;
   }
@@ -548,7 +575,7 @@ public:
    */
   duration expires_from_now() const
   {
-    return this->get_service().expires_from_now(this->get_implementation());
+    return impl_.get_service().expires_from_now(impl_.get_implementation());
   }
 
   /// (Deprecated: Use expires_after().) Set the timer's expiry time relative
@@ -577,8 +604,8 @@ public:
   std::size_t expires_from_now(const duration& expiry_time)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().expires_from_now(
-        this->get_implementation(), expiry_time, ec);
+    std::size_t s = impl_.get_service().expires_from_now(
+        impl_.get_implementation(), expiry_time, ec);
     asio::detail::throw_error(ec, "expires_from_now");
     return s;
   }
@@ -609,8 +636,8 @@ public:
   std::size_t expires_from_now(const duration& expiry_time,
       asio::error_code& ec)
   {
-    return this->get_service().expires_from_now(
-        this->get_implementation(), expiry_time, ec);
+    return impl_.get_service().expires_from_now(
+        impl_.get_implementation(), expiry_time, ec);
   }
 #endif // !defined(ASIO_NO_DEPRECATED)
 
@@ -624,7 +651,7 @@ public:
   void wait()
   {
     asio::error_code ec;
-    this->get_service().wait(this->get_implementation(), ec);
+    impl_.get_service().wait(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "wait");
   }
 
@@ -637,7 +664,7 @@ public:
    */
   void wait(asio::error_code& ec)
   {
-    this->get_service().wait(this->get_implementation(), ec);
+    impl_.get_service().wait(impl_.get_implementation(), ec);
   }
 
   /// Start an asynchronous wait on the timer.
@@ -660,31 +687,17 @@ public:
    *   const asio::error_code& error // Result of operation.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    */
   template <typename WaitHandler>
   ASIO_INITFN_RESULT_TYPE(WaitHandler,
       void (asio::error_code))
   async_wait(ASIO_MOVE_ARG(WaitHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WaitHandler.
-    ASIO_WAIT_HANDLER_CHECK(WaitHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_wait(this->get_implementation(),
-        ASIO_MOVE_CAST(WaitHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WaitHandler,
-      void (asio::error_code)> init(handler);
-
-    this->get_service().async_wait(this->get_implementation(),
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WaitHandler, void (asio::error_code)>(
+        initiate_async_wait(), handler, this);
   }
 
 private:
@@ -692,14 +705,32 @@ private:
   basic_waitable_timer(const basic_waitable_timer&) ASIO_DELETED;
   basic_waitable_timer& operator=(
       const basic_waitable_timer&) ASIO_DELETED;
+
+  struct initiate_async_wait
+  {
+    template <typename WaitHandler>
+    void operator()(ASIO_MOVE_ARG(WaitHandler) handler,
+        basic_waitable_timer* self) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WaitHandler.
+      ASIO_WAIT_HANDLER_CHECK(WaitHandler, handler) type_check;
+
+      detail::non_const_lvalue<WaitHandler> handler2(handler);
+      self->impl_.get_service().async_wait(
+          self->impl_.get_implementation(), handler2.value,
+          self->impl_.get_implementation_executor());
+    }
+  };
+
+  detail::io_object_impl<
+    detail::deadline_timer_service<
+      detail::chrono_time_traits<Clock, WaitTraits> >,
+    executor_type > impl_;
 };
 
 } // namespace asio
 
 #include "asio/detail/pop_options.hpp"
 
-#if !defined(ASIO_ENABLE_OLD_SERVICES)
-# undef ASIO_SVC_T
-#endif // !defined(ASIO_ENABLE_OLD_SERVICES)
-
 #endif // ASIO_BASIC_WAITABLE_TIMER_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/bind_executor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/bind_executor.hpp
index 3971f05..fbcf658 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/bind_executor.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/bind_executor.hpp
@@ -2,7 +2,7 @@
 // bind_executor.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -547,37 +547,6 @@ private:
   async_result<T, Signature> target_;
 };
 
-#if !defined(ASIO_NO_DEPRECATED)
-
-template <typename T, typename Executor, typename Signature>
-struct handler_type<executor_binder<T, Executor>, Signature>
-{
-  typedef executor_binder<
-    typename handler_type<T, Signature>::type, Executor> type;
-};
-
-template <typename T, typename Executor>
-class async_result<executor_binder<T, Executor> >
-{
-public:
-  typedef typename async_result<T>::type type;
-
-  explicit async_result(executor_binder<T, Executor>& b)
-    : target_(b.get())
-  {
-  }
-
-  type get()
-  {
-    return target_.get();
-  }
-
-private:
-  async_result<T> target_;
-};
-
-#endif // !defined(ASIO_NO_DEPRECATED)
-
 template <typename T, typename Executor, typename Allocator>
 struct associated_allocator<executor_binder<T, Executor>, Allocator>
 {
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffer.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffer.hpp
index a7c9b8a..dad1690 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffer.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffer.hpp
@@ -2,7 +2,7 @@
 // buffer.hpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -23,7 +23,7 @@
 #include <string>
 #include <vector>
 #include "asio/detail/array_fwd.hpp"
-#include "asio/detail/is_buffer_sequence.hpp"
+#include "asio/detail/memory.hpp"
 #include "asio/detail/string_view.hpp"
 #include "asio/detail/throw_exception.hpp"
 #include "asio/detail/type_traits.hpp"
@@ -346,41 +346,6 @@ public:
 
 #endif // !defined(ASIO_NO_DEPRECATED)
 
-/// Trait to determine whether a type satisfies the MutableBufferSequence
-/// requirements.
-template <typename T>
-struct is_mutable_buffer_sequence
-#if defined(GENERATING_DOCUMENTATION)
-  : integral_constant<bool, automatically_determined>
-#else // defined(GENERATING_DOCUMENTATION)
-  : asio::detail::is_buffer_sequence<T, mutable_buffer>
-#endif // defined(GENERATING_DOCUMENTATION)
-{
-};
-
-/// Trait to determine whether a type satisfies the ConstBufferSequence
-/// requirements.
-template <typename T>
-struct is_const_buffer_sequence
-#if defined(GENERATING_DOCUMENTATION)
-  : integral_constant<bool, automatically_determined>
-#else // defined(GENERATING_DOCUMENTATION)
-  : asio::detail::is_buffer_sequence<T, const_buffer>
-#endif // defined(GENERATING_DOCUMENTATION)
-{
-};
-
-/// Trait to determine whether a type satisfies the DynamicBuffer requirements.
-template <typename T>
-struct is_dynamic_buffer
-#if defined(GENERATING_DOCUMENTATION)
-  : integral_constant<bool, automatically_determined>
-#else // defined(GENERATING_DOCUMENTATION)
-  : asio::detail::is_dynamic_buffer<T>
-#endif // defined(GENERATING_DOCUMENTATION)
-{
-};
-
 /// (Deprecated: Use the socket/descriptor wait() and async_wait() member
 /// functions.) An implementation of both the ConstBufferSequence and
 /// MutableBufferSequence concepts to represent a null buffer sequence.
@@ -417,29 +382,45 @@ private:
 /*@{*/
 
 /// Get an iterator to the first element in a buffer sequence.
-inline const mutable_buffer* buffer_sequence_begin(const mutable_buffer& b)
+template <typename MutableBuffer>
+inline const mutable_buffer* buffer_sequence_begin(const MutableBuffer& b,
+    typename enable_if<
+      is_convertible<const MutableBuffer*, const mutable_buffer*>::value
+    >::type* = 0) ASIO_NOEXCEPT
 {
-  return &b;
+  return static_cast<const mutable_buffer*>(detail::addressof(b));
 }
 
 /// Get an iterator to the first element in a buffer sequence.
-inline const const_buffer* buffer_sequence_begin(const const_buffer& b)
+template <typename ConstBuffer>
+inline const const_buffer* buffer_sequence_begin(const ConstBuffer& b,
+    typename enable_if<
+      is_convertible<const ConstBuffer*, const const_buffer*>::value
+    >::type* = 0) ASIO_NOEXCEPT
 {
-  return &b;
+  return static_cast<const const_buffer*>(detail::addressof(b));
 }
 
 #if defined(ASIO_HAS_DECLTYPE) || defined(GENERATING_DOCUMENTATION)
 
 /// Get an iterator to the first element in a buffer sequence.
 template <typename C>
-inline auto buffer_sequence_begin(C& c) -> decltype(c.begin())
+inline auto buffer_sequence_begin(C& c,
+    typename enable_if<
+      !is_convertible<const C*, const mutable_buffer*>::value
+        && !is_convertible<const C*, const const_buffer*>::value
+    >::type* = 0) ASIO_NOEXCEPT -> decltype(c.begin())
 {
   return c.begin();
 }
 
 /// Get an iterator to the first element in a buffer sequence.
 template <typename C>
-inline auto buffer_sequence_begin(const C& c) -> decltype(c.begin())
+inline auto buffer_sequence_begin(const C& c,
+    typename enable_if<
+      !is_convertible<const C*, const mutable_buffer*>::value
+        && !is_convertible<const C*, const const_buffer*>::value
+    >::type* = 0) ASIO_NOEXCEPT -> decltype(c.begin())
 {
   return c.begin();
 }
@@ -447,13 +428,21 @@ inline auto buffer_sequence_begin(const C& c) -> decltype(c.begin())
 #else // defined(ASIO_HAS_DECLTYPE) || defined(GENERATING_DOCUMENTATION)
 
 template <typename C>
-inline typename C::iterator buffer_sequence_begin(C& c)
+inline typename C::iterator buffer_sequence_begin(C& c,
+    typename enable_if<
+      !is_convertible<const C*, const mutable_buffer*>::value
+        && !is_convertible<const C*, const const_buffer*>::value
+    >::type* = 0) ASIO_NOEXCEPT
 {
   return c.begin();
 }
 
 template <typename C>
-inline typename C::const_iterator buffer_sequence_begin(const C& c)
+inline typename C::const_iterator buffer_sequence_begin(const C& c,
+    typename enable_if<
+      !is_convertible<const C*, const mutable_buffer*>::value
+        && !is_convertible<const C*, const const_buffer*>::value
+    >::type* = 0) ASIO_NOEXCEPT
 {
   return c.begin();
 }
@@ -470,29 +459,45 @@ inline typename C::const_iterator buffer_sequence_begin(const C& c)
 /*@{*/
 
 /// Get an iterator to one past the end element in a buffer sequence.
-inline const mutable_buffer* buffer_sequence_end(const mutable_buffer& b)
+template <typename MutableBuffer>
+inline const mutable_buffer* buffer_sequence_end(const MutableBuffer& b,
+    typename enable_if<
+      is_convertible<const MutableBuffer*, const mutable_buffer*>::value
+    >::type* = 0) ASIO_NOEXCEPT
 {
-  return &b + 1;
+  return static_cast<const mutable_buffer*>(detail::addressof(b)) + 1;
 }
 
 /// Get an iterator to one past the end element in a buffer sequence.
-inline const const_buffer* buffer_sequence_end(const const_buffer& b)
+template <typename ConstBuffer>
+inline const const_buffer* buffer_sequence_end(const ConstBuffer& b,
+    typename enable_if<
+      is_convertible<const ConstBuffer*, const const_buffer*>::value
+    >::type* = 0) ASIO_NOEXCEPT
 {
-  return &b + 1;
+  return static_cast<const const_buffer*>(detail::addressof(b)) + 1;
 }
 
 #if defined(ASIO_HAS_DECLTYPE) || defined(GENERATING_DOCUMENTATION)
 
 /// Get an iterator to one past the end element in a buffer sequence.
 template <typename C>
-inline auto buffer_sequence_end(C& c) -> decltype(c.end())
+inline auto buffer_sequence_end(C& c,
+    typename enable_if<
+      !is_convertible<const C*, const mutable_buffer*>::value
+        && !is_convertible<const C*, const const_buffer*>::value
+    >::type* = 0) ASIO_NOEXCEPT -> decltype(c.end())
 {
   return c.end();
 }
 
 /// Get an iterator to one past the end element in a buffer sequence.
 template <typename C>
-inline auto buffer_sequence_end(const C& c) -> decltype(c.end())
+inline auto buffer_sequence_end(const C& c,
+    typename enable_if<
+      !is_convertible<const C*, const mutable_buffer*>::value
+        && !is_convertible<const C*, const const_buffer*>::value
+    >::type* = 0) ASIO_NOEXCEPT -> decltype(c.end())
 {
   return c.end();
 }
@@ -500,13 +505,21 @@ inline auto buffer_sequence_end(const C& c) -> decltype(c.end())
 #else // defined(ASIO_HAS_DECLTYPE) || defined(GENERATING_DOCUMENTATION)
 
 template <typename C>
-inline typename C::iterator buffer_sequence_end(C& c)
+inline typename C::iterator buffer_sequence_end(C& c,
+    typename enable_if<
+      !is_convertible<const C*, const mutable_buffer*>::value
+        && !is_convertible<const C*, const const_buffer*>::value
+    >::type* = 0) ASIO_NOEXCEPT
 {
   return c.end();
 }
 
 template <typename C>
-inline typename C::const_iterator buffer_sequence_end(const C& c)
+inline typename C::const_iterator buffer_sequence_end(const C& c,
+    typename enable_if<
+      !is_convertible<const C*, const mutable_buffer*>::value
+        && !is_convertible<const C*, const const_buffer*>::value
+    >::type* = 0) ASIO_NOEXCEPT
 {
   return c.end();
 }
@@ -706,7 +719,7 @@ public:
 
   void operator()()
   {
-    *iter_;
+    (void)*iter_;
   }
 
 private:
@@ -1403,7 +1416,7 @@ inline ASIO_MUTABLE_BUFFER buffer(
       );
 }
 
-/// Create a new non-modifiable buffer that represents the given string.
+/// Create a new modifiable buffer that represents the given string.
 /**
  * @returns A mutable_buffer value equivalent to:
  * @code mutable_buffer(
@@ -1475,7 +1488,7 @@ inline ASIO_CONST_BUFFER buffer(
       );
 }
 
-#if defined(ASIO_HAS_STD_STRING_VIEW) \
+#if defined(ASIO_HAS_STRING_VIEW) \
   || defined(GENERATING_DOCUMENTATION)
 
 /// Create a new modifiable buffer that represents the given string_view.
@@ -1520,7 +1533,7 @@ inline ASIO_CONST_BUFFER buffer(
       );
 }
 
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
        //  || defined(GENERATING_DOCUMENTATION)
 
 /*@}*/
@@ -1533,19 +1546,23 @@ template <typename Elem, typename Traits, typename Allocator>
 class dynamic_string_buffer
 {
 public:
-  /// The type used to represent the input sequence as a list of buffers.
+  /// The type used to represent a sequence of constant buffers that refers to
+  /// the underlying memory.
   typedef ASIO_CONST_BUFFER const_buffers_type;
 
-  /// The type used to represent the output sequence as a list of buffers.
+  /// The type used to represent a sequence of mutable buffers that refers to
+  /// the underlying memory.
   typedef ASIO_MUTABLE_BUFFER mutable_buffers_type;
 
   /// Construct a dynamic buffer from a string.
   /**
    * @param s The string to be used as backing storage for the dynamic buffer.
-   * Any existing data in the string is treated as the dynamic buffer's input
-   * sequence. The object stores a reference to the string and the user is
-   * responsible for ensuring that the string object remains valid until the
-   * dynamic_string_buffer object is destroyed.
+   * The object stores a reference to the string and the user is responsible
+   * for ensuring that the string object remains valid while the
+   * dynamic_string_buffer object, and copies of the object, are in use.
+   *
+   * @b DynamicBuffer_v1: Any existing data in the string is treated as the
+   * dynamic buffer's input sequence.
    *
    * @param maximum_size Specifies a maximum size for the buffer, in bytes.
    */
@@ -1553,64 +1570,131 @@ public:
       std::size_t maximum_size =
         (std::numeric_limits<std::size_t>::max)()) ASIO_NOEXCEPT
     : string_(s),
-      size_(string_.size()),
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+      size_((std::numeric_limits<std::size_t>::max)()),
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
       max_size_(maximum_size)
   {
   }
 
+  /// @b DynamicBuffer_v2: Copy construct a dynamic buffer.
+  dynamic_string_buffer(const dynamic_string_buffer& other) ASIO_NOEXCEPT
+    : string_(other.string_),
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+      size_(other.size_),
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+      max_size_(other.max_size_)
+  {
+  }
+
 #if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
   /// Move construct a dynamic buffer.
   dynamic_string_buffer(dynamic_string_buffer&& other) ASIO_NOEXCEPT
     : string_(other.string_),
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
       size_(other.size_),
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
       max_size_(other.max_size_)
   {
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
 
-  /// Get the size of the input sequence.
+  /// @b DynamicBuffer_v1: Get the size of the input sequence.
+  /// @b DynamicBuffer_v2: Get the current size of the underlying memory.
+  /**
+   * @returns @b DynamicBuffer_v1 The current size of the input sequence.
+   * @b DynamicBuffer_v2: The current size of the underlying string if less than
+   * max_size(). Otherwise returns max_size().
+   */
   std::size_t size() const ASIO_NOEXCEPT
   {
-    return size_;
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+    if (size_ != (std::numeric_limits<std::size_t>::max)())
+      return size_;
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+    return (std::min)(string_.size(), max_size());
   }
 
   /// Get the maximum size of the dynamic buffer.
   /**
-   * @returns The allowed maximum of the sum of the sizes of the input sequence
-   * and output sequence.
+   * @returns The allowed maximum size of the underlying memory.
    */
   std::size_t max_size() const ASIO_NOEXCEPT
   {
     return max_size_;
   }
 
-  /// Get the current capacity of the dynamic buffer.
+  /// Get the maximum size that the buffer may grow to without triggering
+  /// reallocation.
   /**
-   * @returns The current total capacity of the buffer, i.e. for both the input
-   * sequence and output sequence.
+   * @returns The current capacity of the underlying string if less than
+   * max_size(). Otherwise returns max_size().
    */
   std::size_t capacity() const ASIO_NOEXCEPT
   {
-    return string_.capacity();
+    return (std::min)(string_.capacity(), max_size());
   }
 
-  /// Get a list of buffers that represents the input sequence.
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+  /// @b DynamicBuffer_v1: Get a list of buffers that represents the input
+  /// sequence.
   /**
    * @returns An object of type @c const_buffers_type that satisfies
    * ConstBufferSequence requirements, representing the basic_string memory in
-   * input sequence.
+   * the input sequence.
    *
    * @note The returned object is invalidated by any @c dynamic_string_buffer
-   * or @c basic_string member function that modifies the input sequence or
-   * output sequence.
+   * or @c basic_string member function that resizes or erases the string.
    */
   const_buffers_type data() const ASIO_NOEXCEPT
   {
     return const_buffers_type(asio::buffer(string_, size_));
   }
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 
-  /// Get a list of buffers that represents the output sequence, with the given
-  /// size.
+  /// @b DynamicBuffer_v2: Get a sequence of buffers that represents the
+  /// underlying memory.
+  /**
+   * @param pos Position of the first byte to represent in the buffer sequence
+   *
+   * @param n The number of bytes to return in the buffer sequence. If the
+   * underlying memory is shorter, the buffer sequence represents as many bytes
+   * as are available.
+   *
+   * @returns An object of type @c mutable_buffers_type that satisfies
+   * MutableBufferSequence requirements, representing the basic_string memory.
+   *
+   * @note The returned object is invalidated by any @c dynamic_string_buffer
+   * or @c basic_string member function that resizes or erases the string.
+   */
+  mutable_buffers_type data(std::size_t pos, std::size_t n) ASIO_NOEXCEPT
+  {
+    return mutable_buffers_type(asio::buffer(
+          asio::buffer(string_, max_size_) + pos, n));
+  }
+
+  /// @b DynamicBuffer_v2: Get a sequence of buffers that represents the
+  /// underlying memory.
+  /**
+   * @param pos Position of the first byte to represent in the buffer sequence
+   *
+   * @param n The number of bytes to return in the buffer sequence. If the
+   * underlying memory is shorter, the buffer sequence represents as many bytes
+   * as are available.
+   *
+   * @note The returned object is invalidated by any @c dynamic_string_buffer
+   * or @c basic_string member function that resizes or erases the string.
+   */
+  const_buffers_type data(std::size_t pos,
+      std::size_t n) const ASIO_NOEXCEPT
+  {
+    return const_buffers_type(asio::buffer(
+          asio::buffer(string_, max_size_) + pos, n));
+  }
+
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+  /// @b DynamicBuffer_v1: Get a list of buffers that represents the output
+  /// sequence, with the given size.
   /**
    * Ensures that the output sequence can accommodate @c n bytes, resizing the
    * basic_string object as necessary.
@@ -1627,18 +1711,22 @@ public:
    */
   mutable_buffers_type prepare(std::size_t n)
   {
-    if (size () > max_size() || max_size() - size() < n)
+    if (size() > max_size() || max_size() - size() < n)
     {
       std::length_error ex("dynamic_string_buffer too long");
       asio::detail::throw_exception(ex);
     }
 
+    if (size_ == (std::numeric_limits<std::size_t>::max)())
+      size_ = string_.size(); // Enable v1 behaviour.
+
     string_.resize(size_ + n);
 
     return asio::buffer(asio::buffer(string_) + size_, n);
   }
 
-  /// Move bytes from the output sequence to the input sequence.
+  /// @b DynamicBuffer_v1: Move bytes from the output sequence to the input
+  /// sequence.
   /**
    * @param n The number of bytes to append from the start of the output
    * sequence to the end of the input sequence. The remainder of the output
@@ -1655,24 +1743,69 @@ public:
     size_ += (std::min)(n, string_.size() - size_);
     string_.resize(size_);
   }
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 
-  /// Remove characters from the input sequence.
+  /// @b DynamicBuffer_v2: Grow the underlying memory by the specified number of
+  /// bytes.
   /**
-   * Removes @c n characters from the beginning of the input sequence.
+   * Resizes the string to accommodate an additional @c n bytes at the end.
    *
-   * @note If @c n is greater than the size of the input sequence, the entire
-   * input sequence is consumed and no error is issued.
+   * @throws std::length_error If <tt>size() + n > max_size()</tt>.
+   */
+  void grow(std::size_t n)
+  {
+    if (size() > max_size() || max_size() - size() < n)
+    {
+      std::length_error ex("dynamic_string_buffer too long");
+      asio::detail::throw_exception(ex);
+    }
+
+    string_.resize(size() + n);
+  }
+
+  /// @b DynamicBuffer_v2: Shrink the underlying memory by the specified number
+  /// of bytes.
+  /**
+   * Erases @c n bytes from the end of the string by resizing the basic_string
+   * object. If @c n is greater than the current size of the string, the string
+   * is emptied.
+   */
+  void shrink(std::size_t n)
+  {
+    string_.resize(n > size() ? 0 : size() - n);
+  }
+
+  /// @b DynamicBuffer_v1: Remove characters from the input sequence.
+  /// @b DynamicBuffer_v2: Consume the specified number of bytes from the
+  /// beginning of the underlying memory.
+  /**
+   * @b DynamicBuffer_v1: Removes @c n characters from the beginning of the
+   * input sequence. @note If @c n is greater than the size of the input
+   * sequence, the entire input sequence is consumed and no error is issued.
+   *
+   * @b DynamicBuffer_v2: Erases @c n bytes from the beginning of the string.
+   * If @c n is greater than the current size of the string, the string is
+   * emptied.
    */
   void consume(std::size_t n)
   {
-    std::size_t consume_length = (std::min)(n, size_);
-    string_.erase(0, consume_length);
-    size_ -= consume_length;
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+    if (size_ != (std::numeric_limits<std::size_t>::max)())
+    {
+      std::size_t consume_length = (std::min)(n, size_);
+      string_.erase(0, consume_length);
+      size_ -= consume_length;
+      return;
+    }
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+    string_.erase(0, n);
   }
 
 private:
   std::basic_string<Elem, Traits, Allocator>& string_;
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
   std::size_t size_;
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
   const std::size_t max_size_;
 };
 
@@ -1684,19 +1817,20 @@ template <typename Elem, typename Allocator>
 class dynamic_vector_buffer
 {
 public:
-  /// The type used to represent the input sequence as a list of buffers.
+  /// The type used to represent a sequence of constant buffers that refers to
+  /// the underlying memory.
   typedef ASIO_CONST_BUFFER const_buffers_type;
 
-  /// The type used to represent the output sequence as a list of buffers.
+  /// The type used to represent a sequence of mutable buffers that refers to
+  /// the underlying memory.
   typedef ASIO_MUTABLE_BUFFER mutable_buffers_type;
 
-  /// Construct a dynamic buffer from a string.
+  /// Construct a dynamic buffer from a vector.
   /**
    * @param v The vector to be used as backing storage for the dynamic buffer.
-   * Any existing data in the vector is treated as the dynamic buffer's input
-   * sequence. The object stores a reference to the vector and the user is
-   * responsible for ensuring that the vector object remains valid until the
-   * dynamic_vector_buffer object is destroyed.
+   * The object stores a reference to the vector and the user is responsible
+   * for ensuring that the vector object remains valid while the
+   * dynamic_vector_buffer object, and copies of the object, are in use.
    *
    * @param maximum_size Specifies a maximum size for the buffer, in bytes.
    */
@@ -1704,77 +1838,149 @@ public:
       std::size_t maximum_size =
         (std::numeric_limits<std::size_t>::max)()) ASIO_NOEXCEPT
     : vector_(v),
-      size_(vector_.size()),
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+      size_((std::numeric_limits<std::size_t>::max)()),
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
       max_size_(maximum_size)
   {
   }
 
+  /// @b DynamicBuffer_v2: Copy construct a dynamic buffer.
+  dynamic_vector_buffer(const dynamic_vector_buffer& other) ASIO_NOEXCEPT
+    : vector_(other.vector_),
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+      size_(other.size_),
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+      max_size_(other.max_size_)
+  {
+  }
+
 #if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
   /// Move construct a dynamic buffer.
   dynamic_vector_buffer(dynamic_vector_buffer&& other) ASIO_NOEXCEPT
     : vector_(other.vector_),
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
       size_(other.size_),
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
       max_size_(other.max_size_)
   {
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
 
-  /// Get the size of the input sequence.
+  /// @b DynamicBuffer_v1: Get the size of the input sequence.
+  /// @b DynamicBuffer_v2: Get the current size of the underlying memory.
+  /**
+   * @returns @b DynamicBuffer_v1 The current size of the input sequence.
+   * @b DynamicBuffer_v2: The current size of the underlying vector if less than
+   * max_size(). Otherwise returns max_size().
+   */
   std::size_t size() const ASIO_NOEXCEPT
   {
-    return size_;
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+    if (size_ != (std::numeric_limits<std::size_t>::max)())
+      return size_;
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+    return (std::min)(vector_.size(), max_size());
   }
 
   /// Get the maximum size of the dynamic buffer.
   /**
-   * @returns The allowed maximum of the sum of the sizes of the input sequence
-   * and output sequence.
+   * @returns @b DynamicBuffer_v1: The allowed maximum of the sum of the sizes
+   * of the input sequence and output sequence. @b DynamicBuffer_v2: The allowed
+   * maximum size of the underlying memory.
    */
   std::size_t max_size() const ASIO_NOEXCEPT
   {
     return max_size_;
   }
 
-  /// Get the current capacity of the dynamic buffer.
+  /// Get the maximum size that the buffer may grow to without triggering
+  /// reallocation.
   /**
-   * @returns The current total capacity of the buffer, i.e. for both the input
-   * sequence and output sequence.
+   * @returns @b DynamicBuffer_v1: The current total capacity of the buffer,
+   * i.e. for both the input sequence and output sequence. @b DynamicBuffer_v2:
+   * The current capacity of the underlying vector if less than max_size().
+   * Otherwise returns max_size().
    */
   std::size_t capacity() const ASIO_NOEXCEPT
   {
-    return vector_.capacity();
+    return (std::min)(vector_.capacity(), max_size());
   }
 
-  /// Get a list of buffers that represents the input sequence.
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+  /// @b DynamicBuffer_v1: Get a list of buffers that represents the input
+  /// sequence.
   /**
    * @returns An object of type @c const_buffers_type that satisfies
-   * ConstBufferSequence requirements, representing the basic_string memory in
+   * ConstBufferSequence requirements, representing the vector memory in the
    * input sequence.
    *
    * @note The returned object is invalidated by any @c dynamic_vector_buffer
-   * or @c basic_string member function that modifies the input sequence or
-   * output sequence.
+   * or @c vector member function that modifies the input sequence or output
+   * sequence.
    */
   const_buffers_type data() const ASIO_NOEXCEPT
   {
     return const_buffers_type(asio::buffer(vector_, size_));
   }
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 
-  /// Get a list of buffers that represents the output sequence, with the given
-  /// size.
+  /// @b DynamicBuffer_v2: Get a sequence of buffers that represents the
+  /// underlying memory.
   /**
-   * Ensures that the output sequence can accommodate @c n bytes, resizing the
-   * basic_string object as necessary.
+   * @param pos Position of the first byte to represent in the buffer sequence
+   *
+   * @param n The number of bytes to return in the buffer sequence. If the
+   * underlying memory is shorter, the buffer sequence represents as many bytes
+   * as are available.
    *
    * @returns An object of type @c mutable_buffers_type that satisfies
-   * MutableBufferSequence requirements, representing basic_string memory
-   * at the start of the output sequence of size @c n.
+   * MutableBufferSequence requirements, representing the vector memory.
+   *
+   * @note The returned object is invalidated by any @c dynamic_vector_buffer
+   * or @c vector member function that resizes or erases the vector.
+   */
+  mutable_buffers_type data(std::size_t pos, std::size_t n) ASIO_NOEXCEPT
+  {
+    return mutable_buffers_type(asio::buffer(
+          asio::buffer(vector_, max_size_) + pos, n));
+  }
+
+  /// @b DynamicBuffer_v2: Get a sequence of buffers that represents the
+  /// underlying memory.
+  /**
+   * @param pos Position of the first byte to represent in the buffer sequence
+   *
+   * @param n The number of bytes to return in the buffer sequence. If the
+   * underlying memory is shorter, the buffer sequence represents as many bytes
+   * as are available.
+   *
+   * @note The returned object is invalidated by any @c dynamic_vector_buffer
+   * or @c vector member function that resizes or erases the vector.
+   */
+  const_buffers_type data(std::size_t pos,
+      std::size_t n) const ASIO_NOEXCEPT
+  {
+    return const_buffers_type(asio::buffer(
+          asio::buffer(vector_, max_size_) + pos, n));
+  }
+
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+  /// @b DynamicBuffer_v1: Get a list of buffers that represents the output
+  /// sequence, with the given size.
+  /**
+   * Ensures that the output sequence can accommodate @c n bytes, resizing the
+   * vector object as necessary.
+   *
+   * @returns An object of type @c mutable_buffers_type that satisfies
+   * MutableBufferSequence requirements, representing vector memory at the
+   * start of the output sequence of size @c n.
    *
    * @throws std::length_error If <tt>size() + n > max_size()</tt>.
    *
    * @note The returned object is invalidated by any @c dynamic_vector_buffer
-   * or @c basic_string member function that modifies the input sequence or
-   * output sequence.
+   * or @c vector member function that modifies the input sequence or output
+   * sequence.
    */
   mutable_buffers_type prepare(std::size_t n)
   {
@@ -1784,12 +1990,16 @@ public:
       asio::detail::throw_exception(ex);
     }
 
+    if (size_ == (std::numeric_limits<std::size_t>::max)())
+      size_ = vector_.size(); // Enable v1 behaviour.
+
     vector_.resize(size_ + n);
 
     return asio::buffer(asio::buffer(vector_) + size_, n);
   }
 
-  /// Move bytes from the output sequence to the input sequence.
+  /// @b DynamicBuffer_v1: Move bytes from the output sequence to the input
+  /// sequence.
   /**
    * @param n The number of bytes to append from the start of the output
    * sequence to the end of the input sequence. The remainder of the output
@@ -1806,24 +2016,69 @@ public:
     size_ += (std::min)(n, vector_.size() - size_);
     vector_.resize(size_);
   }
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 
-  /// Remove characters from the input sequence.
+  /// @b DynamicBuffer_v2: Grow the underlying memory by the specified number of
+  /// bytes.
   /**
-   * Removes @c n characters from the beginning of the input sequence.
+   * Resizes the vector to accommodate an additional @c n bytes at the end.
    *
-   * @note If @c n is greater than the size of the input sequence, the entire
-   * input sequence is consumed and no error is issued.
+   * @throws std::length_error If <tt>size() + n > max_size()</tt>.
+   */
+  void grow(std::size_t n)
+  {
+    if (size() > max_size() || max_size() - size() < n)
+    {
+      std::length_error ex("dynamic_vector_buffer too long");
+      asio::detail::throw_exception(ex);
+    }
+
+    vector_.resize(size() + n);
+  }
+
+  /// @b DynamicBuffer_v2: Shrink the underlying memory by the specified number
+  /// of bytes.
+  /**
+   * Erases @c n bytes from the end of the vector by resizing the vector
+   * object. If @c n is greater than the current size of the vector, the vector
+   * is emptied.
+   */
+  void shrink(std::size_t n)
+  {
+    vector_.resize(n > size() ? 0 : size() - n);
+  }
+
+  /// @b DynamicBuffer_v1: Remove characters from the input sequence.
+  /// @b DynamicBuffer_v2: Consume the specified number of bytes from the
+  /// beginning of the underlying memory.
+  /**
+   * @b DynamicBuffer_v1: Removes @c n characters from the beginning of the
+   * input sequence. @note If @c n is greater than the size of the input
+   * sequence, the entire input sequence is consumed and no error is issued.
+   *
+   * @b DynamicBuffer_v2: Erases @c n bytes from the beginning of the vector.
+   * If @c n is greater than the current size of the vector, the vector is
+   * emptied.
    */
   void consume(std::size_t n)
   {
-    std::size_t consume_length = (std::min)(n, size_);
-    vector_.erase(vector_.begin(), vector_.begin() + consume_length);
-    size_ -= consume_length;
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+    if (size_ != (std::numeric_limits<std::size_t>::max)())
+    {
+      std::size_t consume_length = (std::min)(n, size_);
+      vector_.erase(vector_.begin(), vector_.begin() + consume_length);
+      size_ -= consume_length;
+      return;
+    }
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+    vector_.erase(vector_.begin(), vector_.begin() + (std::min)(size(), n));
   }
 
 private:
   std::vector<Elem, Allocator>& vector_;
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
   std::size_t size_;
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
   const std::size_t max_size_;
 };
 
@@ -2157,6 +2412,83 @@ inline std::size_t buffer_copy(const MutableBufferSequence& target,
 
 } // namespace asio
 
+#include "asio/detail/pop_options.hpp"
+#include "asio/detail/is_buffer_sequence.hpp"
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+
+/// Trait to determine whether a type satisfies the MutableBufferSequence
+/// requirements.
+template <typename T>
+struct is_mutable_buffer_sequence
+#if defined(GENERATING_DOCUMENTATION)
+  : integral_constant<bool, automatically_determined>
+#else // defined(GENERATING_DOCUMENTATION)
+  : asio::detail::is_buffer_sequence<T, mutable_buffer>
+#endif // defined(GENERATING_DOCUMENTATION)
+{
+};
+
+/// Trait to determine whether a type satisfies the ConstBufferSequence
+/// requirements.
+template <typename T>
+struct is_const_buffer_sequence
+#if defined(GENERATING_DOCUMENTATION)
+  : integral_constant<bool, automatically_determined>
+#else // defined(GENERATING_DOCUMENTATION)
+  : asio::detail::is_buffer_sequence<T, const_buffer>
+#endif // defined(GENERATING_DOCUMENTATION)
+{
+};
+
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+/// Trait to determine whether a type satisfies the DynamicBuffer_v1
+/// requirements.
+template <typename T>
+struct is_dynamic_buffer_v1
+#if defined(GENERATING_DOCUMENTATION)
+  : integral_constant<bool, automatically_determined>
+#else // defined(GENERATING_DOCUMENTATION)
+  : asio::detail::is_dynamic_buffer_v1<T>
+#endif // defined(GENERATING_DOCUMENTATION)
+{
+};
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
+/// Trait to determine whether a type satisfies the DynamicBuffer_v2
+/// requirements.
+template <typename T>
+struct is_dynamic_buffer_v2
+#if defined(GENERATING_DOCUMENTATION)
+  : integral_constant<bool, automatically_determined>
+#else // defined(GENERATING_DOCUMENTATION)
+  : asio::detail::is_dynamic_buffer_v2<T>
+#endif // defined(GENERATING_DOCUMENTATION)
+{
+};
+
+/// Trait to determine whether a type satisfies the DynamicBuffer requirements.
+/**
+ * If @c ASIO_NO_DYNAMIC_BUFFER_V1 is not defined, determines whether the
+ * type satisfies the DynamicBuffer_v1 requirements. Otherwise, if @c
+ * ASIO_NO_DYNAMIC_BUFFER_V1 is defined, determines whether the type
+ * satisfies the DynamicBuffer_v1 requirements.
+ */
+template <typename T>
+struct is_dynamic_buffer
+#if defined(GENERATING_DOCUMENTATION)
+  : integral_constant<bool, automatically_determined>
+#elif defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+  : asio::is_dynamic_buffer_v2<T>
+#else // defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+  : asio::is_dynamic_buffer_v1<T>
+#endif // defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+{
+};
+
+} // namespace asio
+
 #include "asio/detail/pop_options.hpp"
 
 #endif // ASIO_BUFFER_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_read_stream.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_read_stream.hpp
index 3196ce9..d3a99d0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_read_stream.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_read_stream.hpp
@@ -2,7 +2,7 @@
 // buffered_read_stream.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -26,7 +26,6 @@
 #include "asio/detail/noncopyable.hpp"
 #include "asio/detail/type_traits.hpp"
 #include "asio/error.hpp"
-#include "asio/io_context.hpp"
 
 #include "asio/detail/push_options.hpp"
 
@@ -105,22 +104,6 @@ public:
     return next_layer_.lowest_layer().get_executor();
   }
 
-#if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  asio::io_context& get_io_context()
-  {
-    return next_layer_.get_io_context();
-  }
-
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  asio::io_context& get_io_service()
-  {
-    return next_layer_.get_io_service();
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
   /// Close the stream.
   void close()
   {
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_read_stream_fwd.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_read_stream_fwd.hpp
index 379450c..666c18f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_read_stream_fwd.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_read_stream_fwd.hpp
@@ -2,7 +2,7 @@
 // buffered_read_stream_fwd.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_stream.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_stream.hpp
index 425a508..19abcce 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_stream.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_stream.hpp
@@ -2,7 +2,7 @@
 // buffered_stream.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -23,7 +23,6 @@
 #include "asio/buffered_stream_fwd.hpp"
 #include "asio/detail/noncopyable.hpp"
 #include "asio/error.hpp"
-#include "asio/io_context.hpp"
 
 #include "asio/detail/push_options.hpp"
 
@@ -96,22 +95,6 @@ public:
     return stream_impl_.lowest_layer().get_executor();
   }
 
-#if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  asio::io_context& get_io_context()
-  {
-    return stream_impl_.get_io_context();
-  }
-
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  asio::io_context& get_io_service()
-  {
-    return stream_impl_.get_io_service();
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
   /// Close the stream.
   void close()
   {
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_stream_fwd.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_stream_fwd.hpp
index fbf1824..86dfcbc 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_stream_fwd.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_stream_fwd.hpp
@@ -2,7 +2,7 @@
 // buffered_stream_fwd.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_write_stream.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_write_stream.hpp
index 7e67a08..52fd9d4 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_write_stream.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_write_stream.hpp
@@ -2,7 +2,7 @@
 // buffered_write_stream.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -25,7 +25,6 @@
 #include "asio/detail/noncopyable.hpp"
 #include "asio/detail/type_traits.hpp"
 #include "asio/error.hpp"
-#include "asio/io_context.hpp"
 #include "asio/write.hpp"
 
 #include "asio/detail/push_options.hpp"
@@ -105,22 +104,6 @@ public:
     return next_layer_.lowest_layer().get_executor();
   }
 
-#if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  asio::io_context& get_io_context()
-  {
-    return next_layer_.get_io_context();
-  }
-
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  asio::io_context& get_io_service()
-  {
-    return next_layer_.get_io_service();
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
   /// Close the stream.
   void close()
   {
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_write_stream_fwd.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_write_stream_fwd.hpp
index c55d2e2..370273c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_write_stream_fwd.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_write_stream_fwd.hpp
@@ -2,7 +2,7 @@
 // buffered_write_stream_fwd.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffers_iterator.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffers_iterator.hpp
index cd2f1a1..57aeadd 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffers_iterator.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffers_iterator.hpp
@@ -2,7 +2,7 @@
 // buffers_iterator.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/co_spawn.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/co_spawn.hpp
new file mode 100644
index 0000000..6878157
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/co_spawn.hpp
@@ -0,0 +1,88 @@
+//
+// co_spawn.hpp
+// ~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_CO_SPAWN_HPP
+#define ASIO_CO_SPAWN_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+
+#if defined(ASIO_HAS_CO_AWAIT) || defined(GENERATING_DOCUMENTATION)
+
+#include "asio/awaitable.hpp"
+#include "asio/execution_context.hpp"
+#include "asio/is_executor.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace detail {
+
+template <typename T>
+struct awaitable_signature;
+
+template <typename T, typename Executor>
+struct awaitable_signature<awaitable<T, Executor>>
+{
+  typedef void type(std::exception_ptr, T);
+};
+
+template <typename Executor>
+struct awaitable_signature<awaitable<void, Executor>>
+{
+  typedef void type(std::exception_ptr);
+};
+
+} // namespace detail
+
+/// Spawn a new thread of execution.
+/**
+ * The entry point function object @c f must have the signature:
+ *
+ * @code awaitable<void, E> f(); @endcode
+ *
+ * where @c E is convertible from @c Executor.
+ */
+template <typename Executor, typename F, typename CompletionToken>
+ASIO_INITFN_RESULT_TYPE(CompletionToken,
+    typename detail::awaitable_signature<typename result_of<F()>::type>::type)
+co_spawn(const Executor& ex, F&& f, CompletionToken&& token,
+    typename enable_if<
+      is_executor<Executor>::value
+    >::type* = 0);
+
+/// Spawn a new thread of execution.
+/**
+ * The entry point function object @c f must have the signature:
+ *
+ * @code awaitable<void, E> f(); @endcode
+ *
+ * where @c E is convertible from @c ExecutionContext::executor_type.
+ */
+template <typename ExecutionContext, typename F, typename CompletionToken>
+ASIO_INITFN_RESULT_TYPE(CompletionToken,
+    typename detail::awaitable_signature<typename result_of<F()>::type>::type)
+co_spawn(ExecutionContext& ctx, F&& f, CompletionToken&& token,
+    typename enable_if<
+      is_convertible<ExecutionContext&, execution_context&>::value
+    >::type* = 0);
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/impl/co_spawn.hpp"
+
+#endif // defined(ASIO_HAS_CO_AWAIT) || defined(GENERATING_DOCUMENTATION)
+
+#endif // ASIO_CO_SPAWN_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/completion_condition.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/completion_condition.hpp
index 949c5f6..526c034 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/completion_condition.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/completion_condition.hpp
@@ -2,7 +2,7 @@
 // completion_condition.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/compose.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/compose.hpp
new file mode 100644
index 0000000..427a4de
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/compose.hpp
@@ -0,0 +1,136 @@
+//
+// compose.hpp
+// ~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_COMPOSE_HPP
+#define ASIO_COMPOSE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/async_result.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+
+#if defined(ASIO_HAS_VARIADIC_TEMPLATES) \
+  || defined(GENERATING_DOCUMENTATION)
+
+/// Launch an asynchronous operation with a stateful implementation.
+/**
+ * The async_compose function simplifies the implementation of composed
+ * asynchronous operations automatically wrapping a stateful function object
+ * with a conforming intermediate completion handler.
+ *
+ * @param implementation A function object that contains the implementation of
+ * the composed asynchronous operation. The first argument to the function
+ * object is a non-const reference to the enclosing intermediate completion
+ * handler. The remaining arguments are any arguments that originate from the
+ * completion handlers of any asynchronous operations performed by the
+ * implementation.
+
+ * @param token The completion token.
+ *
+ * @param io_objects_or_executors Zero or more I/O objects or I/O executors for
+ * which outstanding work must be maintained.
+ *
+ * @par Example:
+ *
+ * @code struct async_echo_implementation
+ * {
+ *   tcp::socket& socket_;
+ *   asio::mutable_buffer buffer_;
+ *   enum { starting, reading, writing } state_;
+ *
+ *   template <typename Self>
+ *   void operator()(Self& self,
+ *       asio::error_code error = {},
+ *       std::size_t n = 0)
+ *   {
+ *     switch (state_)
+ *     {
+ *     case starting:
+ *       state_ = reading;
+ *       socket_.async_read_some(
+ *           buffer_, std::move(self));
+ *       break;
+ *     case reading:
+ *       if (error)
+ *       {
+ *         self.complete(error, 0);
+ *       }
+ *       else
+ *       {
+ *         state_ = writing;
+ *         asio::async_write(socket_, buffer_,
+ *             asio::transfer_exactly(n),
+ *             std::move(self));
+ *       }
+ *       break;
+ *     case writing:
+ *       self.complete(error, n);
+ *       break;
+ *     }
+ *   }
+ * };
+ *
+ * template <typename CompletionToken>
+ * auto async_echo(tcp::socket& socket,
+ *     asio::mutable_buffer buffer,
+ *     CompletionToken&& token) ->
+ *   typename asio::async_result<
+ *     typename std::decay<CompletionToken>::type,
+ *       void(asio::error_code, std::size_t)>::return_type
+ * {
+ *   return asio::async_compose<CompletionToken,
+ *     void(asio::error_code, std::size_t)>(
+ *       async_echo_implementation{socket, buffer,
+ *         async_echo_implementation::starting},
+ *       token, socket);
+ * } @endcode
+ */
+template <typename CompletionToken, typename Signature,
+    typename Implementation, typename... IoObjectsOrExecutors>
+ASIO_INITFN_RESULT_TYPE(CompletionToken, Signature)
+async_compose(ASIO_MOVE_ARG(Implementation) implementation,
+    ASIO_NONDEDUCED_MOVE_ARG(CompletionToken) token,
+    ASIO_MOVE_ARG(IoObjectsOrExecutors)... io_objects_or_executors);
+
+#else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+      //   || defined(GENERATING_DOCUMENTATION)
+
+template <typename CompletionToken, typename Signature, typename Implementation>
+ASIO_INITFN_RESULT_TYPE(CompletionToken, Signature)
+async_compose(ASIO_MOVE_ARG(Implementation) implementation,
+    ASIO_NONDEDUCED_MOVE_ARG(CompletionToken) token);
+
+#define ASIO_PRIVATE_ASYNC_COMPOSE_DEF(n) \
+  template <typename CompletionToken, typename Signature, \
+      typename Implementation, ASIO_VARIADIC_TPARAMS(n)> \
+  ASIO_INITFN_RESULT_TYPE(CompletionToken, Signature) \
+  async_compose(ASIO_MOVE_ARG(Implementation) implementation, \
+      ASIO_NONDEDUCED_MOVE_ARG(CompletionToken) token, \
+      ASIO_VARIADIC_MOVE_PARAMS(n));
+  /**/
+  ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_ASYNC_COMPOSE_DEF)
+#undef ASIO_PRIVATE_ASYNC_COMPOSE_DEF
+
+#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+       //   || defined(GENERATING_DOCUMENTATION)
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/impl/compose.hpp"
+
+#endif // ASIO_COMPOSE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/connect.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/connect.hpp
index a80db1c..8454d48 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/connect.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/connect.hpp
@@ -2,7 +2,7 @@
 // connect.hpp
 // ~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -58,7 +58,8 @@ struct is_endpoint_sequence
 /**
  * @defgroup connect asio::connect
  *
- * @brief Establishes a socket connection by trying each endpoint in a sequence.
+ * @brief The @c connect function is a composed operation that establishes a
+ * socket connection by trying each endpoint in a sequence.
  */
 /*@{*/
 
@@ -81,14 +82,13 @@ struct is_endpoint_sequence
  * Otherwise, contains the error from the last connection attempt.
  *
  * @par Example
- * @code tcp::resolver r(io_context);
+ * @code tcp::resolver r(my_context);
  * tcp::resolver::query q("host", "service");
- * tcp::socket s(io_context);
+ * tcp::socket s(my_context);
  * asio::connect(s, r.resolve(q)); @endcode
  */
-template <typename Protocol ASIO_SVC_TPARAM, typename EndpointSequence>
-typename Protocol::endpoint connect(
-    basic_socket<Protocol ASIO_SVC_TARG>& s,
+template <typename Protocol, typename Executor, typename EndpointSequence>
+typename Protocol::endpoint connect(basic_socket<Protocol, Executor>& s,
     const EndpointSequence& endpoints,
     typename enable_if<is_endpoint_sequence<
         EndpointSequence>::value>::type* = 0);
@@ -113,9 +113,9 @@ typename Protocol::endpoint connect(
  * default-constructed endpoint.
  *
  * @par Example
- * @code tcp::resolver r(io_context);
+ * @code tcp::resolver r(my_context);
  * tcp::resolver::query q("host", "service");
- * tcp::socket s(io_context);
+ * tcp::socket s(my_context);
  * asio::error_code ec;
  * asio::connect(s, r.resolve(q), ec);
  * if (ec)
@@ -123,16 +123,15 @@ typename Protocol::endpoint connect(
  *   // An error occurred.
  * } @endcode
  */
-template <typename Protocol ASIO_SVC_TPARAM, typename EndpointSequence>
-typename Protocol::endpoint connect(
-    basic_socket<Protocol ASIO_SVC_TARG>& s,
+template <typename Protocol, typename Executor, typename EndpointSequence>
+typename Protocol::endpoint connect(basic_socket<Protocol, Executor>& s,
     const EndpointSequence& endpoints, asio::error_code& ec,
     typename enable_if<is_endpoint_sequence<
         EndpointSequence>::value>::type* = 0);
 
 #if !defined(ASIO_NO_DEPRECATED)
-/// (Deprecated.) Establishes a socket connection by trying each endpoint in a
-/// sequence.
+/// (Deprecated: Use range overload.) Establishes a socket connection by trying
+/// each endpoint in a sequence.
 /**
  * This function attempts to connect a socket to one of a sequence of
  * endpoints. It does this by repeated calls to the socket's @c connect member
@@ -155,12 +154,12 @@ typename Protocol::endpoint connect(
  * Iterator represents the end of the sequence. This is a valid assumption for
  * iterator types such as @c asio::ip::tcp::resolver::iterator.
  */
-template <typename Protocol ASIO_SVC_TPARAM, typename Iterator>
-Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s, Iterator begin,
+template <typename Protocol, typename Executor, typename Iterator>
+Iterator connect(basic_socket<Protocol, Executor>& s, Iterator begin,
     typename enable_if<!is_endpoint_sequence<Iterator>::value>::type* = 0);
 
-/// (Deprecated.) Establishes a socket connection by trying each endpoint in a
-/// sequence.
+/// (Deprecated: Use range overload.) Establishes a socket connection by trying
+/// each endpoint in a sequence.
 /**
  * This function attempts to connect a socket to one of a sequence of
  * endpoints. It does this by repeated calls to the socket's @c connect member
@@ -183,8 +182,8 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s, Iterator begin,
  * Iterator represents the end of the sequence. This is a valid assumption for
  * iterator types such as @c asio::ip::tcp::resolver::iterator.
  */
-template <typename Protocol ASIO_SVC_TPARAM, typename Iterator>
-Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+template <typename Protocol, typename Executor, typename Iterator>
+Iterator connect(basic_socket<Protocol, Executor>& s,
     Iterator begin, asio::error_code& ec,
     typename enable_if<!is_endpoint_sequence<Iterator>::value>::type* = 0);
 #endif // !defined(ASIO_NO_DEPRECATED)
@@ -210,14 +209,14 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  * Otherwise, contains the error from the last connection attempt.
  *
  * @par Example
- * @code tcp::resolver r(io_context);
+ * @code tcp::resolver r(my_context);
  * tcp::resolver::query q("host", "service");
  * tcp::resolver::results_type e = r.resolve(q);
- * tcp::socket s(io_context);
+ * tcp::socket s(my_context);
  * asio::connect(s, e.begin(), e.end()); @endcode
  */
-template <typename Protocol ASIO_SVC_TPARAM, typename Iterator>
-Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+template <typename Protocol, typename Executor, typename Iterator>
+Iterator connect(basic_socket<Protocol, Executor>& s,
     Iterator begin, Iterator end);
 
 /// Establishes a socket connection by trying each endpoint in a sequence.
@@ -242,10 +241,10 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  * endpoint. Otherwise, the end iterator.
  *
  * @par Example
- * @code tcp::resolver r(io_context);
+ * @code tcp::resolver r(my_context);
  * tcp::resolver::query q("host", "service");
  * tcp::resolver::results_type e = r.resolve(q);
- * tcp::socket s(io_context);
+ * tcp::socket s(my_context);
  * asio::error_code ec;
  * asio::connect(s, e.begin(), e.end(), ec);
  * if (ec)
@@ -253,8 +252,8 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  *   // An error occurred.
  * } @endcode
  */
-template <typename Protocol ASIO_SVC_TPARAM, typename Iterator>
-Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+template <typename Protocol, typename Executor, typename Iterator>
+Iterator connect(basic_socket<Protocol, Executor>& s,
     Iterator begin, Iterator end, asio::error_code& ec);
 
 /// Establishes a socket connection by trying each endpoint in a sequence.
@@ -301,17 +300,16 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  *   }
  * }; @endcode
  * It would be used with the asio::connect function as follows:
- * @code tcp::resolver r(io_context);
+ * @code tcp::resolver r(my_context);
  * tcp::resolver::query q("host", "service");
- * tcp::socket s(io_context);
+ * tcp::socket s(my_context);
  * tcp::endpoint e = asio::connect(s,
  *     r.resolve(q), my_connect_condition());
  * std::cout << "Connected to: " << e << std::endl; @endcode
  */
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename EndpointSequence, typename ConnectCondition>
-typename Protocol::endpoint connect(
-    basic_socket<Protocol ASIO_SVC_TARG>& s,
+typename Protocol::endpoint connect(basic_socket<Protocol, Executor>& s,
     const EndpointSequence& endpoints, ConnectCondition connect_condition,
     typename enable_if<is_endpoint_sequence<
         EndpointSequence>::value>::type* = 0);
@@ -361,9 +359,9 @@ typename Protocol::endpoint connect(
  *   }
  * }; @endcode
  * It would be used with the asio::connect function as follows:
- * @code tcp::resolver r(io_context);
+ * @code tcp::resolver r(my_context);
  * tcp::resolver::query q("host", "service");
- * tcp::socket s(io_context);
+ * tcp::socket s(my_context);
  * asio::error_code ec;
  * tcp::endpoint e = asio::connect(s,
  *     r.resolve(q), my_connect_condition(), ec);
@@ -376,18 +374,17 @@ typename Protocol::endpoint connect(
  *   std::cout << "Connected to: " << e << std::endl;
  * } @endcode
  */
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename EndpointSequence, typename ConnectCondition>
-typename Protocol::endpoint connect(
-    basic_socket<Protocol ASIO_SVC_TARG>& s,
+typename Protocol::endpoint connect(basic_socket<Protocol, Executor>& s,
     const EndpointSequence& endpoints, ConnectCondition connect_condition,
     asio::error_code& ec,
     typename enable_if<is_endpoint_sequence<
         EndpointSequence>::value>::type* = 0);
 
 #if !defined(ASIO_NO_DEPRECATED)
-/// (Deprecated.) Establishes a socket connection by trying each endpoint in a
-/// sequence.
+/// (Deprecated: Use range overload.) Establishes a socket connection by trying
+/// each endpoint in a sequence.
 /**
  * This function attempts to connect a socket to one of a sequence of
  * endpoints. It does this by repeated calls to the socket's @c connect member
@@ -421,14 +418,14 @@ typename Protocol::endpoint connect(
  * Iterator represents the end of the sequence. This is a valid assumption for
  * iterator types such as @c asio::ip::tcp::resolver::iterator.
  */
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename Iterator, typename ConnectCondition>
-Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+Iterator connect(basic_socket<Protocol, Executor>& s,
     Iterator begin, ConnectCondition connect_condition,
     typename enable_if<!is_endpoint_sequence<Iterator>::value>::type* = 0);
 
-/// (Deprecated.) Establishes a socket connection by trying each endpoint in a
-/// sequence.
+/// (Deprecated: Use range overload.) Establishes a socket connection by trying
+/// each endpoint in a sequence.
 /**
  * This function attempts to connect a socket to one of a sequence of
  * endpoints. It does this by repeated calls to the socket's @c connect member
@@ -462,9 +459,9 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  * Iterator represents the end of the sequence. This is a valid assumption for
  * iterator types such as @c asio::ip::tcp::resolver::iterator.
  */
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename Iterator, typename ConnectCondition>
-Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s, Iterator begin,
+Iterator connect(basic_socket<Protocol, Executor>& s, Iterator begin,
     ConnectCondition connect_condition, asio::error_code& ec,
     typename enable_if<!is_endpoint_sequence<Iterator>::value>::type* = 0);
 #endif // !defined(ASIO_NO_DEPRECATED)
@@ -515,17 +512,17 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s, Iterator begin,
  *   }
  * }; @endcode
  * It would be used with the asio::connect function as follows:
- * @code tcp::resolver r(io_context);
+ * @code tcp::resolver r(my_context);
  * tcp::resolver::query q("host", "service");
  * tcp::resolver::results_type e = r.resolve(q);
- * tcp::socket s(io_context);
+ * tcp::socket s(my_context);
  * tcp::resolver::results_type::iterator i = asio::connect(
  *     s, e.begin(), e.end(), my_connect_condition());
  * std::cout << "Connected to: " << i->endpoint() << std::endl; @endcode
  */
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename Iterator, typename ConnectCondition>
-Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s, Iterator begin,
+Iterator connect(basic_socket<Protocol, Executor>& s, Iterator begin,
     Iterator end, ConnectCondition connect_condition);
 
 /// Establishes a socket connection by trying each endpoint in a sequence.
@@ -575,10 +572,10 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s, Iterator begin,
  *   }
  * }; @endcode
  * It would be used with the asio::connect function as follows:
- * @code tcp::resolver r(io_context);
+ * @code tcp::resolver r(my_context);
  * tcp::resolver::query q("host", "service");
  * tcp::resolver::results_type e = r.resolve(q);
- * tcp::socket s(io_context);
+ * tcp::socket s(my_context);
  * asio::error_code ec;
  * tcp::resolver::results_type::iterator i = asio::connect(
  *     s, e.begin(), e.end(), my_connect_condition());
@@ -591,9 +588,9 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s, Iterator begin,
  *   std::cout << "Connected to: " << i->endpoint() << std::endl;
  * } @endcode
  */
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename Iterator, typename ConnectCondition>
-Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+Iterator connect(basic_socket<Protocol, Executor>& s,
     Iterator begin, Iterator end, ConnectCondition connect_condition,
     asio::error_code& ec);
 
@@ -602,8 +599,8 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
 /**
  * @defgroup async_connect asio::async_connect
  *
- * @brief Asynchronously establishes a socket connection by trying each
- * endpoint in a sequence.
+ * @brief The @c async_connect function is a composed asynchronous operation
+ * that establishes a socket connection by trying each endpoint in a sequence.
  */
 /*@{*/
 
@@ -634,14 +631,14 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  *   const typename Protocol::endpoint& endpoint
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @par Example
- * @code tcp::resolver r(io_context);
+ * @code tcp::resolver r(my_context);
  * tcp::resolver::query q("host", "service");
- * tcp::socket s(io_context);
+ * tcp::socket s(my_context);
  *
  * // ...
  *
@@ -668,19 +665,19 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  *   // ...
  * } @endcode
  */
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename EndpointSequence, typename RangeConnectHandler>
 ASIO_INITFN_RESULT_TYPE(RangeConnectHandler,
     void (asio::error_code, typename Protocol::endpoint))
-async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+async_connect(basic_socket<Protocol, Executor>& s,
     const EndpointSequence& endpoints,
     ASIO_MOVE_ARG(RangeConnectHandler) handler,
     typename enable_if<is_endpoint_sequence<
         EndpointSequence>::value>::type* = 0);
 
 #if !defined(ASIO_NO_DEPRECATED)
-/// (Deprecated.) Asynchronously establishes a socket connection by trying each
-/// endpoint in a sequence.
+/// (Deprecated: Use range overload.) Asynchronously establishes a socket
+/// connection by trying each endpoint in a sequence.
 /**
  * This function attempts to connect a socket to one of a sequence of
  * endpoints. It does this by repeated calls to the socket's @c async_connect
@@ -706,20 +703,20 @@ async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  *   Iterator iterator
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @note This overload assumes that a default constructed object of type @c
  * Iterator represents the end of the sequence. This is a valid assumption for
  * iterator types such as @c asio::ip::tcp::resolver::iterator.
  */
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename Iterator, typename IteratorConnectHandler>
 ASIO_INITFN_RESULT_TYPE(IteratorConnectHandler,
     void (asio::error_code, Iterator))
-async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
-    Iterator begin, ASIO_MOVE_ARG(IteratorConnectHandler) handler,
+async_connect(basic_socket<Protocol, Executor>& s, Iterator begin,
+    ASIO_MOVE_ARG(IteratorConnectHandler) handler,
     typename enable_if<!is_endpoint_sequence<Iterator>::value>::type* = 0);
 #endif // !defined(ASIO_NO_DEPRECATED)
 
@@ -752,13 +749,13 @@ async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  *   Iterator iterator
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @par Example
  * @code std::vector<tcp::endpoint> endpoints = ...;
- * tcp::socket s(io_context);
+ * tcp::socket s(my_context);
  * asio::async_connect(s,
  *     endpoints.begin(), endpoints.end(),
  *     connect_handler);
@@ -772,12 +769,11 @@ async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  *   // ...
  * } @endcode
  */
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename Iterator, typename IteratorConnectHandler>
 ASIO_INITFN_RESULT_TYPE(IteratorConnectHandler,
     void (asio::error_code, Iterator))
-async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
-    Iterator begin, Iterator end,
+async_connect(basic_socket<Protocol, Executor>& s, Iterator begin, Iterator end,
     ASIO_MOVE_ARG(IteratorConnectHandler) handler);
 
 /// Asynchronously establishes a socket connection by trying each endpoint in a
@@ -818,9 +814,9 @@ async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  *   Iterator iterator
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @par Example
  * The following connect condition function object can be used to output
@@ -837,9 +833,9 @@ async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  *   }
  * }; @endcode
  * It would be used with the asio::connect function as follows:
- * @code tcp::resolver r(io_context);
+ * @code tcp::resolver r(my_context);
  * tcp::resolver::query q("host", "service");
- * tcp::socket s(io_context);
+ * tcp::socket s(my_context);
  *
  * // ...
  *
@@ -875,19 +871,19 @@ async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  *   }
  * } @endcode
  */
-template <typename Protocol ASIO_SVC_TPARAM, typename EndpointSequence,
+template <typename Protocol, typename Executor, typename EndpointSequence,
     typename ConnectCondition, typename RangeConnectHandler>
 ASIO_INITFN_RESULT_TYPE(RangeConnectHandler,
     void (asio::error_code, typename Protocol::endpoint))
-async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+async_connect(basic_socket<Protocol, Executor>& s,
     const EndpointSequence& endpoints, ConnectCondition connect_condition,
     ASIO_MOVE_ARG(RangeConnectHandler) handler,
     typename enable_if<is_endpoint_sequence<
         EndpointSequence>::value>::type* = 0);
 
 #if !defined(ASIO_NO_DEPRECATED)
-/// (Deprecated.) Asynchronously establishes a socket connection by trying each
-/// endpoint in a sequence.
+/// (Deprecated: Use range overload.) Asynchronously establishes a socket
+/// connection by trying each endpoint in a sequence.
 /**
  * This function attempts to connect a socket to one of a sequence of
  * endpoints. It does this by repeated calls to the socket's @c async_connect
@@ -924,19 +920,19 @@ async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  *   Iterator iterator
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @note This overload assumes that a default constructed object of type @c
  * Iterator represents the end of the sequence. This is a valid assumption for
  * iterator types such as @c asio::ip::tcp::resolver::iterator.
  */
-template <typename Protocol ASIO_SVC_TPARAM, typename Iterator,
+template <typename Protocol, typename Executor, typename Iterator,
     typename ConnectCondition, typename IteratorConnectHandler>
 ASIO_INITFN_RESULT_TYPE(IteratorConnectHandler,
     void (asio::error_code, Iterator))
-async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s, Iterator begin,
+async_connect(basic_socket<Protocol, Executor>& s, Iterator begin,
     ConnectCondition connect_condition,
     ASIO_MOVE_ARG(IteratorConnectHandler) handler,
     typename enable_if<!is_endpoint_sequence<Iterator>::value>::type* = 0);
@@ -982,9 +978,9 @@ async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s, Iterator begin,
  *   Iterator iterator
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @par Example
  * The following connect condition function object can be used to output
@@ -1001,9 +997,9 @@ async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s, Iterator begin,
  *   }
  * }; @endcode
  * It would be used with the asio::connect function as follows:
- * @code tcp::resolver r(io_context);
+ * @code tcp::resolver r(my_context);
  * tcp::resolver::query q("host", "service");
- * tcp::socket s(io_context);
+ * tcp::socket s(my_context);
  *
  * // ...
  *
@@ -1040,12 +1036,12 @@ async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s, Iterator begin,
  *   }
  * } @endcode
  */
-template <typename Protocol ASIO_SVC_TPARAM, typename Iterator,
+template <typename Protocol, typename Executor, typename Iterator,
     typename ConnectCondition, typename IteratorConnectHandler>
 ASIO_INITFN_RESULT_TYPE(IteratorConnectHandler,
     void (asio::error_code, Iterator))
-async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
-    Iterator begin, Iterator end, ConnectCondition connect_condition,
+async_connect(basic_socket<Protocol, Executor>& s, Iterator begin,
+    Iterator end, ConnectCondition connect_condition,
     ASIO_MOVE_ARG(IteratorConnectHandler) handler);
 
 /*@}*/
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/coroutine.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/coroutine.hpp
index 102cefb..7c8e579 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/coroutine.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/coroutine.hpp
@@ -2,7 +2,7 @@
 // coroutine.hpp
 // ~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -205,7 +205,7 @@ class coroutine_ref;
  * {
  *   do
  *   {
- *     socket_.reset(new tcp::socket(io_context_));
+ *     socket_.reset(new tcp::socket(my_context_));
  *     yield acceptor->async_accept(*socket_, *this);
  *     fork server(*this)();
  *   } while (is_parent());
@@ -227,7 +227,7 @@ class coroutine_ref;
  * Note that @c fork doesn't do the actual forking by itself. It is the
  * application's responsibility to create a clone of the coroutine and call it.
  * The clone can be called immediately, as above, or scheduled for delayed
- * execution using something like io_context::post().
+ * execution using something like asio::post().
  *
  * @par Alternate macro names
  *
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/datagram_socket_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/datagram_socket_service.hpp
deleted file mode 100644
index 5253fd1..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/datagram_socket_service.hpp
+++ /dev/null
@@ -1,466 +0,0 @@
-//
-// datagram_socket_service.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef ASIO_DATAGRAM_SOCKET_SERVICE_HPP
-#define ASIO_DATAGRAM_SOCKET_SERVICE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#include <cstddef>
-#include "asio/async_result.hpp"
-#include "asio/detail/type_traits.hpp"
-#include "asio/error.hpp"
-#include "asio/io_context.hpp"
-
-#if defined(ASIO_WINDOWS_RUNTIME)
-# include "asio/detail/null_socket_service.hpp"
-#elif defined(ASIO_HAS_IOCP)
-# include "asio/detail/win_iocp_socket_service.hpp"
-#else
-# include "asio/detail/reactive_socket_service.hpp"
-#endif
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-
-/// Default service implementation for a datagram socket.
-template <typename Protocol>
-class datagram_socket_service
-#if defined(GENERATING_DOCUMENTATION)
-  : public asio::io_context::service
-#else
-  : public asio::detail::service_base<datagram_socket_service<Protocol> >
-#endif
-{
-public:
-#if defined(GENERATING_DOCUMENTATION)
-  /// The unique service identifier.
-  static asio::io_context::id id;
-#endif
-
-  /// The protocol type.
-  typedef Protocol protocol_type;
-
-  /// The endpoint type.
-  typedef typename Protocol::endpoint endpoint_type;
-
-private:
-  // The type of the platform-specific implementation.
-#if defined(ASIO_WINDOWS_RUNTIME)
-  typedef detail::null_socket_service<Protocol> service_impl_type;
-#elif defined(ASIO_HAS_IOCP)
-  typedef detail::win_iocp_socket_service<Protocol> service_impl_type;
-#else
-  typedef detail::reactive_socket_service<Protocol> service_impl_type;
-#endif
-
-public:
-  /// The type of a datagram socket.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined implementation_type;
-#else
-  typedef typename service_impl_type::implementation_type implementation_type;
-#endif
-
-  /// The native socket type.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined native_handle_type;
-#else
-  typedef typename service_impl_type::native_handle_type native_handle_type;
-#endif
-
-  /// Construct a new datagram socket service for the specified io_context.
-  explicit datagram_socket_service(asio::io_context& io_context)
-    : asio::detail::service_base<
-        datagram_socket_service<Protocol> >(io_context),
-      service_impl_(io_context)
-  {
-  }
-
-  /// Construct a new datagram socket implementation.
-  void construct(implementation_type& impl)
-  {
-    service_impl_.construct(impl);
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a new datagram socket implementation.
-  void move_construct(implementation_type& impl,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_construct(impl, other_impl);
-  }
-
-  /// Move-assign from another datagram socket implementation.
-  void move_assign(implementation_type& impl,
-      datagram_socket_service& other_service,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_assign(impl, other_service.service_impl_, other_impl);
-  }
-
-  // All socket services have access to each other's implementations.
-  template <typename Protocol1> friend class datagram_socket_service;
-
-  /// Move-construct a new datagram socket implementation from another protocol
-  /// type.
-  template <typename Protocol1>
-  void converting_move_construct(implementation_type& impl,
-      datagram_socket_service<Protocol1>& other_service,
-      typename datagram_socket_service<
-        Protocol1>::implementation_type& other_impl,
-      typename enable_if<is_convertible<
-        Protocol1, Protocol>::value>::type* = 0)
-  {
-    service_impl_.template converting_move_construct<Protocol1>(
-        impl, other_service.service_impl_, other_impl);
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-  /// Destroy a datagram socket implementation.
-  void destroy(implementation_type& impl)
-  {
-    service_impl_.destroy(impl);
-  }
-
-  // Open a new datagram socket implementation.
-  ASIO_SYNC_OP_VOID open(implementation_type& impl,
-      const protocol_type& protocol, asio::error_code& ec)
-  {
-    if (protocol.type() == ASIO_OS_DEF(SOCK_DGRAM))
-      service_impl_.open(impl, protocol, ec);
-    else
-      ec = asio::error::invalid_argument;
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Assign an existing native socket to a datagram socket.
-  ASIO_SYNC_OP_VOID assign(implementation_type& impl,
-      const protocol_type& protocol, const native_handle_type& native_socket,
-      asio::error_code& ec)
-  {
-    service_impl_.assign(impl, protocol, native_socket, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the socket is open.
-  bool is_open(const implementation_type& impl) const
-  {
-    return service_impl_.is_open(impl);
-  }
-
-  /// Close a datagram socket implementation.
-  ASIO_SYNC_OP_VOID close(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.close(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Release ownership of the underlying socket.
-  native_handle_type release(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    return service_impl_.release(impl, ec);
-  }
-
-  /// Get the native socket implementation.
-  native_handle_type native_handle(implementation_type& impl)
-  {
-    return service_impl_.native_handle(impl);
-  }
-
-  /// Cancel all asynchronous operations associated with the socket.
-  ASIO_SYNC_OP_VOID cancel(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.cancel(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the socket is at the out-of-band data mark.
-  bool at_mark(const implementation_type& impl,
-      asio::error_code& ec) const
-  {
-    return service_impl_.at_mark(impl, ec);
-  }
-
-  /// Determine the number of bytes available for reading.
-  std::size_t available(const implementation_type& impl,
-      asio::error_code& ec) const
-  {
-    return service_impl_.available(impl, ec);
-  }
-
-  // Bind the datagram socket to the specified local endpoint.
-  ASIO_SYNC_OP_VOID bind(implementation_type& impl,
-      const endpoint_type& endpoint, asio::error_code& ec)
-  {
-    service_impl_.bind(impl, endpoint, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Connect the datagram socket to the specified endpoint.
-  ASIO_SYNC_OP_VOID connect(implementation_type& impl,
-      const endpoint_type& peer_endpoint, asio::error_code& ec)
-  {
-    service_impl_.connect(impl, peer_endpoint, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Start an asynchronous connect.
-  template <typename ConnectHandler>
-  ASIO_INITFN_RESULT_TYPE(ConnectHandler,
-      void (asio::error_code))
-  async_connect(implementation_type& impl,
-      const endpoint_type& peer_endpoint,
-      ASIO_MOVE_ARG(ConnectHandler) handler)
-  {
-    async_completion<ConnectHandler,
-      void (asio::error_code)> init(handler);
-
-    service_impl_.async_connect(impl, peer_endpoint, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Set a socket option.
-  template <typename SettableSocketOption>
-  ASIO_SYNC_OP_VOID set_option(implementation_type& impl,
-      const SettableSocketOption& option, asio::error_code& ec)
-  {
-    service_impl_.set_option(impl, option, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get a socket option.
-  template <typename GettableSocketOption>
-  ASIO_SYNC_OP_VOID get_option(const implementation_type& impl,
-      GettableSocketOption& option, asio::error_code& ec) const
-  {
-    service_impl_.get_option(impl, option, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Perform an IO control command on the socket.
-  template <typename IoControlCommand>
-  ASIO_SYNC_OP_VOID io_control(implementation_type& impl,
-      IoControlCommand& command, asio::error_code& ec)
-  {
-    service_impl_.io_control(impl, command, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Gets the non-blocking mode of the socket.
-  bool non_blocking(const implementation_type& impl) const
-  {
-    return service_impl_.non_blocking(impl);
-  }
-
-  /// Sets the non-blocking mode of the socket.
-  ASIO_SYNC_OP_VOID non_blocking(implementation_type& impl,
-      bool mode, asio::error_code& ec)
-  {
-    service_impl_.non_blocking(impl, mode, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Gets the non-blocking mode of the native socket implementation.
-  bool native_non_blocking(const implementation_type& impl) const
-  {
-    return service_impl_.native_non_blocking(impl);
-  }
-
-  /// Sets the non-blocking mode of the native socket implementation.
-  ASIO_SYNC_OP_VOID native_non_blocking(implementation_type& impl,
-      bool mode, asio::error_code& ec)
-  {
-    service_impl_.native_non_blocking(impl, mode, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get the local endpoint.
-  endpoint_type local_endpoint(const implementation_type& impl,
-      asio::error_code& ec) const
-  {
-    return service_impl_.local_endpoint(impl, ec);
-  }
-
-  /// Get the remote endpoint.
-  endpoint_type remote_endpoint(const implementation_type& impl,
-      asio::error_code& ec) const
-  {
-    return service_impl_.remote_endpoint(impl, ec);
-  }
-
-  /// Disable sends or receives on the socket.
-  ASIO_SYNC_OP_VOID shutdown(implementation_type& impl,
-      socket_base::shutdown_type what, asio::error_code& ec)
-  {
-    service_impl_.shutdown(impl, what, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Wait for the socket to become ready to read, ready to write, or to have
-  /// pending error conditions.
-  ASIO_SYNC_OP_VOID wait(implementation_type& impl,
-      socket_base::wait_type w, asio::error_code& ec)
-  {
-    service_impl_.wait(impl, w, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Asynchronously wait for the socket to become ready to read, ready to
-  /// write, or to have pending error conditions.
-  template <typename WaitHandler>
-  ASIO_INITFN_RESULT_TYPE(WaitHandler,
-      void (asio::error_code))
-  async_wait(implementation_type& impl, socket_base::wait_type w,
-      ASIO_MOVE_ARG(WaitHandler) handler)
-  {
-    async_completion<WaitHandler,
-      void (asio::error_code)> init(handler);
-
-    service_impl_.async_wait(impl, w, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Send the given data to the peer.
-  template <typename ConstBufferSequence>
-  std::size_t send(implementation_type& impl,
-      const ConstBufferSequence& buffers,
-      socket_base::message_flags flags, asio::error_code& ec)
-  {
-    return service_impl_.send(impl, buffers, flags, ec);
-  }
-
-  /// Start an asynchronous send.
-  template <typename ConstBufferSequence, typename WriteHandler>
-  ASIO_INITFN_RESULT_TYPE(WriteHandler,
-      void (asio::error_code, std::size_t))
-  async_send(implementation_type& impl, const ConstBufferSequence& buffers,
-      socket_base::message_flags flags,
-      ASIO_MOVE_ARG(WriteHandler) handler)
-  {
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_send(impl, buffers, flags, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Send a datagram to the specified endpoint.
-  template <typename ConstBufferSequence>
-  std::size_t send_to(implementation_type& impl,
-      const ConstBufferSequence& buffers, const endpoint_type& destination,
-      socket_base::message_flags flags, asio::error_code& ec)
-  {
-    return service_impl_.send_to(impl, buffers, destination, flags, ec);
-  }
-
-  /// Start an asynchronous send.
-  template <typename ConstBufferSequence, typename WriteHandler>
-  ASIO_INITFN_RESULT_TYPE(WriteHandler,
-      void (asio::error_code, std::size_t))
-  async_send_to(implementation_type& impl,
-      const ConstBufferSequence& buffers, const endpoint_type& destination,
-      socket_base::message_flags flags,
-      ASIO_MOVE_ARG(WriteHandler) handler)
-  {
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_send_to(impl, buffers,
-        destination, flags, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Receive some data from the peer.
-  template <typename MutableBufferSequence>
-  std::size_t receive(implementation_type& impl,
-      const MutableBufferSequence& buffers,
-      socket_base::message_flags flags, asio::error_code& ec)
-  {
-    return service_impl_.receive(impl, buffers, flags, ec);
-  }
-
-  /// Start an asynchronous receive.
-  template <typename MutableBufferSequence, typename ReadHandler>
-  ASIO_INITFN_RESULT_TYPE(ReadHandler,
-      void (asio::error_code, std::size_t))
-  async_receive(implementation_type& impl,
-      const MutableBufferSequence& buffers,
-      socket_base::message_flags flags,
-      ASIO_MOVE_ARG(ReadHandler) handler)
-  {
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_receive(impl, buffers, flags, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Receive a datagram with the endpoint of the sender.
-  template <typename MutableBufferSequence>
-  std::size_t receive_from(implementation_type& impl,
-      const MutableBufferSequence& buffers, endpoint_type& sender_endpoint,
-      socket_base::message_flags flags, asio::error_code& ec)
-  {
-    return service_impl_.receive_from(impl, buffers, sender_endpoint, flags,
-        ec);
-  }
-
-  /// Start an asynchronous receive that will get the endpoint of the sender.
-  template <typename MutableBufferSequence, typename ReadHandler>
-  ASIO_INITFN_RESULT_TYPE(ReadHandler,
-      void (asio::error_code, std::size_t))
-  async_receive_from(implementation_type& impl,
-      const MutableBufferSequence& buffers, endpoint_type& sender_endpoint,
-      socket_base::message_flags flags,
-      ASIO_MOVE_ARG(ReadHandler) handler)
-  {
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_receive_from(impl, buffers,
-        sender_endpoint, flags, init.completion_handler);
-
-    return init.result.get();
-  }
-
-private:
-  // Destroy all user-defined handler objects owned by the service.
-  void shutdown()
-  {
-    service_impl_.shutdown();
-  }
-
-  // The platform-specific implementation.
-  service_impl_type service_impl_;
-};
-
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_DATAGRAM_SOCKET_SERVICE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/deadline_timer.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/deadline_timer.hpp
index 996d1b1..3f837da 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/deadline_timer.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/deadline_timer.hpp
@@ -2,7 +2,7 @@
 // deadline_timer.hpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/deadline_timer_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/deadline_timer_service.hpp
deleted file mode 100644
index ba232e1..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/deadline_timer_service.hpp
+++ /dev/null
@@ -1,173 +0,0 @@
-//
-// deadline_timer_service.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef ASIO_DEADLINE_TIMER_SERVICE_HPP
-#define ASIO_DEADLINE_TIMER_SERVICE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#if defined(ASIO_HAS_BOOST_DATE_TIME) \
-  || defined(GENERATING_DOCUMENTATION)
-
-#include <cstddef>
-#include "asio/async_result.hpp"
-#include "asio/detail/deadline_timer_service.hpp"
-#include "asio/io_context.hpp"
-#include "asio/time_traits.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-
-/// Default service implementation for a timer.
-template <typename TimeType,
-    typename TimeTraits = asio::time_traits<TimeType> >
-class deadline_timer_service
-#if defined(GENERATING_DOCUMENTATION)
-  : public asio::io_context::service
-#else
-  : public asio::detail::service_base<
-      deadline_timer_service<TimeType, TimeTraits> >
-#endif
-{
-public:
-#if defined(GENERATING_DOCUMENTATION)
-  /// The unique service identifier.
-  static asio::io_context::id id;
-#endif
-
-  /// The time traits type.
-  typedef TimeTraits traits_type;
-
-  /// The time type.
-  typedef typename traits_type::time_type time_type;
-
-  /// The duration type.
-  typedef typename traits_type::duration_type duration_type;
-
-private:
-  // The type of the platform-specific implementation.
-  typedef detail::deadline_timer_service<traits_type> service_impl_type;
-
-public:
-  /// The implementation type of the deadline timer.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined implementation_type;
-#else
-  typedef typename service_impl_type::implementation_type implementation_type;
-#endif
-
-  /// Construct a new timer service for the specified io_context.
-  explicit deadline_timer_service(asio::io_context& io_context)
-    : asio::detail::service_base<
-        deadline_timer_service<TimeType, TimeTraits> >(io_context),
-      service_impl_(io_context)
-  {
-  }
-
-  /// Construct a new timer implementation.
-  void construct(implementation_type& impl)
-  {
-    service_impl_.construct(impl);
-  }
-
-  /// Destroy a timer implementation.
-  void destroy(implementation_type& impl)
-  {
-    service_impl_.destroy(impl);
-  }
-
-  /// Cancel any asynchronous wait operations associated with the timer.
-  std::size_t cancel(implementation_type& impl, asio::error_code& ec)
-  {
-    return service_impl_.cancel(impl, ec);
-  }
-
-  /// Cancels one asynchronous wait operation associated with the timer.
-  std::size_t cancel_one(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    return service_impl_.cancel_one(impl, ec);
-  }
-
-  /// Get the expiry time for the timer as an absolute time.
-  time_type expires_at(const implementation_type& impl) const
-  {
-    return service_impl_.expiry(impl);
-  }
-
-  /// Set the expiry time for the timer as an absolute time.
-  std::size_t expires_at(implementation_type& impl,
-      const time_type& expiry_time, asio::error_code& ec)
-  {
-    return service_impl_.expires_at(impl, expiry_time, ec);
-  }
-
-  /// Get the expiry time for the timer relative to now.
-  duration_type expires_from_now(const implementation_type& impl) const
-  {
-    return TimeTraits::subtract(service_impl_.expiry(impl), TimeTraits::now());
-  }
-
-  /// Set the expiry time for the timer relative to now.
-  std::size_t expires_from_now(implementation_type& impl,
-      const duration_type& expiry_time, asio::error_code& ec)
-  {
-    return service_impl_.expires_after(impl, expiry_time, ec);
-  }
-
-  // Perform a blocking wait on the timer.
-  void wait(implementation_type& impl, asio::error_code& ec)
-  {
-    service_impl_.wait(impl, ec);
-  }
-
-  // Start an asynchronous wait on the timer.
-  template <typename WaitHandler>
-  ASIO_INITFN_RESULT_TYPE(WaitHandler,
-      void (asio::error_code))
-  async_wait(implementation_type& impl,
-      ASIO_MOVE_ARG(WaitHandler) handler)
-  {
-    async_completion<WaitHandler,
-      void (asio::error_code)> init(handler);
-
-    service_impl_.async_wait(impl, init.completion_handler);
-
-    return init.result.get();
-  }
-
-private:
-  // Destroy all user-defined handler objects owned by the service.
-  void shutdown()
-  {
-    service_impl_.shutdown();
-  }
-
-  // The platform-specific implementation.
-  service_impl_type service_impl_;
-};
-
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
-       // || defined(GENERATING_DOCUMENTATION)
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_DEADLINE_TIMER_SERVICE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/defer.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/defer.hpp
index 5e2f24d..4f33840 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/defer.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/defer.hpp
@@ -2,7 +2,7 @@
 // defer.hpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -31,6 +31,11 @@ namespace asio {
  * executor. The function object is queued for execution, and is never called
  * from the current thread prior to returning from <tt>defer()</tt>.
  *
+ * The use of @c defer(), rather than @ref post(), indicates the caller's
+ * preference that the executor defer the queueing of the function object. This
+ * may allow the executor to optimise queueing for cases when the function
+ * object represents a continuation of the current call context.
+ *
  * This function has the following effects:
  *
  * @li Constructs a function object handler of type @c Handler, initialized
@@ -59,6 +64,11 @@ ASIO_INITFN_RESULT_TYPE(CompletionToken, void()) defer(
  * The function object is queued for execution, and is never called from the
  * current thread prior to returning from <tt>defer()</tt>.
  *
+ * The use of @c defer(), rather than @ref post(), indicates the caller's
+ * preference that the executor defer the queueing of the function object. This
+ * may allow the executor to optimise queueing for cases when the function
+ * object represents a continuation of the current call context.
+ *
  * This function has the following effects:
  *
  * @li Constructs a function object handler of type @c Handler, initialized
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detached.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detached.hpp
new file mode 100644
index 0000000..332ed24
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detached.hpp
@@ -0,0 +1,62 @@
+//
+// detached.hpp
+// ~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETACHED_HPP
+#define ASIO_DETACHED_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <memory>
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+
+/// Class used to specify that an asynchronous operation is detached.
+/**
+
+ * The detached_t class is used to indicate that an asynchronous operation is
+ * detached. That is, there is no completion handler waiting for the
+ * operation's result. A detached_t object may be passed as a handler to an
+ * asynchronous operation, typically using the special value
+ * @c asio::detached. For example:
+
+ * @code my_socket.async_send(my_buffer, asio::detached);
+ * @endcode
+ */
+class detached_t
+{
+public:
+  /// Constructor. 
+  ASIO_CONSTEXPR detached_t()
+  {
+  }
+};
+
+/// A special value, similar to std::nothrow.
+/**
+ * See the documentation for asio::detached_t for a usage example.
+ */
+#if defined(ASIO_HAS_CONSTEXPR) || defined(GENERATING_DOCUMENTATION)
+constexpr detached_t detached;
+#elif defined(ASIO_MSVC)
+__declspec(selectany) detached_t detached;
+#endif
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/impl/detached.hpp"
+
+#endif // ASIO_DETACHED_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/array.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/array.hpp
index 1890541..4c63f98 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/array.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/array.hpp
@@ -2,7 +2,7 @@
 // detail/array.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/array_fwd.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/array_fwd.hpp
index c871872..e44b001 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/array_fwd.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/array_fwd.hpp
@@ -2,7 +2,7 @@
 // detail/array_fwd.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/assert.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/assert.hpp
index 45860f0..72a96bb 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/assert.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/assert.hpp
@@ -2,7 +2,7 @@
 // detail/assert.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/atomic_count.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/atomic_count.hpp
index 581afa9..be7b151 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/atomic_count.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/atomic_count.hpp
@@ -2,7 +2,7 @@
 // detail/atomic_count.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/base_from_completion_cond.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/base_from_completion_cond.hpp
index a6b0bf5..9f695f1 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/base_from_completion_cond.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/base_from_completion_cond.hpp
@@ -2,7 +2,7 @@
 // detail/base_from_completion_cond.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -27,8 +27,9 @@ template <typename CompletionCondition>
 class base_from_completion_cond
 {
 protected:
-  explicit base_from_completion_cond(CompletionCondition completion_condition)
-    : completion_condition_(completion_condition)
+  explicit base_from_completion_cond(CompletionCondition& completion_condition)
+    : completion_condition_(
+        ASIO_MOVE_CAST(CompletionCondition)(completion_condition))
   {
   }
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/bind_handler.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/bind_handler.hpp
index b16edda..feb333c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/bind_handler.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/bind_handler.hpp
@@ -2,7 +2,7 @@
 // detail/bind_handler.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/buffer_resize_guard.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/buffer_resize_guard.hpp
index 0eee411..c0bb949 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/buffer_resize_guard.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/buffer_resize_guard.hpp
@@ -2,7 +2,7 @@
 // detail/buffer_resize_guard.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/buffer_sequence_adapter.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/buffer_sequence_adapter.hpp
index 450b3ee..d979726 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/buffer_sequence_adapter.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/buffer_sequence_adapter.hpp
@@ -2,7 +2,7 @@
 // detail/buffer_sequence_adapter.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/buffered_stream_storage.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/buffered_stream_storage.hpp
index 1469711..9223434 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/buffered_stream_storage.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/buffered_stream_storage.hpp
@@ -2,7 +2,7 @@
 // detail/buffered_stream_storage.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/call_stack.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/call_stack.hpp
index 414b621..fae9ce6 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/call_stack.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/call_stack.hpp
@@ -2,7 +2,7 @@
 // detail/call_stack.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/chrono.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/chrono.hpp
index 733e550..7e30b0d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/chrono.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/chrono.hpp
@@ -2,7 +2,7 @@
 // detail/chrono.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/chrono_time_traits.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/chrono_time_traits.hpp
index 553bfa4..bd421a4 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/chrono_time_traits.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/chrono_time_traits.hpp
@@ -2,7 +2,7 @@
 // detail/chrono_time_traits.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/completion_handler.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/completion_handler.hpp
index 46b38eb..fef3e76 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/completion_handler.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/completion_handler.hpp
@@ -2,7 +2,7 @@
 // detail/completion_handler.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/concurrency_hint.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/concurrency_hint.hpp
index b4dbb74..31cfeb0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/concurrency_hint.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/concurrency_hint.hpp
@@ -2,7 +2,7 @@
 // detail/concurrency_hint.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/conditionally_enabled_event.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/conditionally_enabled_event.hpp
index f2a18d3..7b9c924 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/conditionally_enabled_event.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/conditionally_enabled_event.hpp
@@ -2,7 +2,7 @@
 // detail/conditionally_enabled_event.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/conditionally_enabled_mutex.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/conditionally_enabled_mutex.hpp
index df5a78f..a3c3ee7 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/conditionally_enabled_mutex.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/conditionally_enabled_mutex.hpp
@@ -2,7 +2,7 @@
 // detail/conditionally_enabled_mutex.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/config.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/config.hpp
index 0c86db3..fdb1b99 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/config.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/config.hpp
@@ -2,7 +2,7 @@
 // detail/config.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -11,6 +11,20 @@
 #ifndef ASIO_DETAIL_CONFIG_HPP
 #define ASIO_DETAIL_CONFIG_HPP
 
+// boostify: non-boost code starts here
+#if !defined(ASIO_STANDALONE)
+# if !defined(ASIO_ENABLE_BOOST)
+#  if (__cplusplus >= 201103)
+#   define ASIO_STANDALONE 1
+#  elif defined(_MSC_VER) && defined(_MSVC_LANG)
+#   if (_MSC_VER >= 1900) && (_MSVC_LANG >= 201103)
+#    define ASIO_STANDALONE 1
+#   endif // (_MSC_VER >= 1900) && (_MSVC_LANG >= 201103)
+#  endif // defined(_MSC_VER) && defined(_MSVC_LANG)
+# endif // !defined(ASIO_ENABLE_BOOST)
+#endif // !defined(ASIO_STANDALONE)
+
+// boostify: non-boost code ends here
 #if defined(ASIO_STANDALONE)
 # define ASIO_DISABLE_BOOST_ARRAY 1
 # define ASIO_DISABLE_BOOST_ASSERT 1
@@ -69,7 +83,7 @@
       || (!defined(__MWERKS__) && !defined(__EDG_VERSION__)))
 #  define ASIO_MSVC _MSC_VER
 # endif // defined(ASIO_HAS_BOOST_CONFIG) && defined(BOOST_MSVC)
-#endif // defined(ASIO_MSVC)
+#endif // !defined(ASIO_MSVC)
 
 // Clang / libc++ detection.
 #if defined(__clang__)
@@ -108,15 +122,26 @@
 #    define ASIO_HAS_MOVE 1
 #   endif // (_MSC_VER >= 1700)
 #  endif // defined(ASIO_MSVC)
+#  if defined(__INTEL_CXX11_MODE__)
+#    if defined(__INTEL_COMPILER) && (__INTEL_COMPILER >= 1500)
+#      define BOOST_ASIO_HAS_MOVE 1
+#    endif // defined(__INTEL_COMPILER) && (__INTEL_COMPILER >= 1500)
+#    if defined(__ICL) && (__ICL >= 1500)
+#      define BOOST_ASIO_HAS_MOVE 1
+#    endif // defined(__ICL) && (__ICL >= 1500)
+#  endif // defined(__INTEL_CXX11_MODE__)
 # endif // !defined(ASIO_DISABLE_MOVE)
 #endif // !defined(ASIO_HAS_MOVE)
 
 // If ASIO_MOVE_CAST isn't defined, and move support is available, define
-// ASIO_MOVE_ARG and ASIO_MOVE_CAST to take advantage of rvalue
-// references and perfect forwarding.
+// * ASIO_MOVE_ARG,
+// * ASIO_NONDEDUCED_MOVE_ARG, and
+// * ASIO_MOVE_CAST
+// to take advantage of rvalue references and perfect forwarding.
 #if defined(ASIO_HAS_MOVE) && !defined(ASIO_MOVE_CAST)
 # define ASIO_MOVE_ARG(type) type&&
 # define ASIO_MOVE_ARG2(type1, type2) type1, type2&&
+# define ASIO_NONDEDUCED_MOVE_ARG(type) type&
 # define ASIO_MOVE_CAST(type) static_cast<type&&>
 # define ASIO_MOVE_CAST2(type1, type2) static_cast<type1, type2&&>
 #endif // defined(ASIO_HAS_MOVE) && !defined(ASIO_MOVE_CAST)
@@ -142,6 +167,7 @@
 # else
 #  define ASIO_MOVE_ARG(type) type
 # endif
+# define ASIO_NONDEDUCED_MOVE_ARG(type) const type&
 # define ASIO_MOVE_CAST(type) static_cast<const type&>
 # define ASIO_MOVE_CAST2(type1, type2) static_cast<const type1, type2&>
 #endif // !defined(ASIO_MOVE_CAST)
@@ -226,7 +252,7 @@
 // Support noexcept on compilers known to allow it.
 #if !defined(ASIO_NOEXCEPT)
 # if !defined(ASIO_DISABLE_NOEXCEPT)
-#  if (BOOST_VERSION >= 105300)
+#  if defined(ASIO_HAS_BOOST_CONFIG) && (BOOST_VERSION >= 105300)
 #   define ASIO_NOEXCEPT BOOST_NOEXCEPT
 #   define ASIO_NOEXCEPT_OR_NOTHROW BOOST_NOEXCEPT_OR_NOTHROW
 #  elif defined(__clang__)
@@ -272,9 +298,9 @@
 #   endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 6)) || (__GNUC__ > 4)
 #  endif // defined(__GNUC__)
 #  if defined(ASIO_MSVC)
-#   if (_MSC_VER >= 1700)
+#   if (_MSC_VER >= 1800)
 #    define ASIO_HAS_DECLTYPE 1
-#   endif // (_MSC_VER >= 1700)
+#   endif // (_MSC_VER >= 1800)
 #  endif // defined(ASIO_MSVC)
 # endif // !defined(ASIO_DISABLE_DECLTYPE)
 #endif // !defined(ASIO_HAS_DECLTYPE)
@@ -440,7 +466,13 @@
 #    if __has_include(<atomic>)
 #     define ASIO_HAS_STD_ATOMIC 1
 #    endif // __has_include(<atomic>)
-#   endif // (__cplusplus >= 201103)
+#   elif defined(__apple_build_version__) && defined(_LIBCPP_VERSION)
+#    if (__clang_major__ >= 10)
+#     if __has_include(<atomic>)
+#      define ASIO_HAS_STD_ATOMIC 1
+#     endif // __has_include(<atomic>)
+#    endif // (__clang_major__ >= 10)
+#   endif /// defined(__apple_build_version__) && defined(_LIBCPP_VERSION)
 #  endif // defined(__clang__)
 #  if defined(__GNUC__)
 #   if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
@@ -770,32 +802,77 @@
 # endif // !defined(ASIO_DISABLE_STD_FUTURE)
 #endif // !defined(ASIO_HAS_STD_FUTURE)
 
-// Standard library support for experimental::string_view.
+// Standard library support for std::string_view.
 #if !defined(ASIO_HAS_STD_STRING_VIEW)
 # if !defined(ASIO_DISABLE_STD_STRING_VIEW)
 #  if defined(__clang__)
-#   if (__cplusplus >= 201402)
-#    if __has_include(<experimental/string_view>)
+#   if defined(ASIO_HAS_CLANG_LIBCXX)
+#    if (__cplusplus >= 201402)
+#     if __has_include(<string_view>)
+#      define ASIO_HAS_STD_STRING_VIEW 1
+#     endif // __has_include(<string_view>)
+#    endif // (__cplusplus >= 201402)
+#   else // defined(ASIO_HAS_CLANG_LIBCXX)
+#    if (__cplusplus >= 201703)
+#     if __has_include(<string_view>)
+#      define ASIO_HAS_STD_STRING_VIEW 1
+#     endif // __has_include(<string_view>)
+#    endif // (__cplusplus >= 201703)
+#   endif // defined(ASIO_HAS_CLANG_LIBCXX)
+#  elif defined(__GNUC__)
+#   if (__GNUC__ >= 7)
+#    if (__cplusplus >= 201703)
 #     define ASIO_HAS_STD_STRING_VIEW 1
-#     define ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW 1
-#    endif // __has_include(<experimental/string_view>)
-#   endif // (__cplusplus >= 201402)
+#    endif // (__cplusplus >= 201703)
+#   endif // (__GNUC__ >= 7)
+#  elif defined(ASIO_MSVC)
+#   if (_MSC_VER >= 1910 && _MSVC_LANG >= 201703)
+#    define ASIO_HAS_STD_STRING_VIEW 1
+#   endif // (_MSC_VER >= 1910 && _MSVC_LANG >= 201703)
+#  endif // defined(ASIO_MSVC)
+# endif // !defined(ASIO_DISABLE_STD_STRING_VIEW)
+#endif // !defined(ASIO_HAS_STD_STRING_VIEW)
+
+// Standard library support for std::experimental::string_view.
+#if !defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+# if !defined(ASIO_DISABLE_STD_EXPERIMENTAL_STRING_VIEW)
+#  if defined(__clang__)
+#   if defined(ASIO_HAS_CLANG_LIBCXX)
+#    if (_LIBCPP_VERSION < 7000)
+#     if (__cplusplus >= 201402)
+#      if __has_include(<experimental/string_view>)
+#       define ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW 1
+#      endif // __has_include(<experimental/string_view>)
+#     endif // (__cplusplus >= 201402)
+#    endif // (_LIBCPP_VERSION < 7000)
+#   else // defined(ASIO_HAS_CLANG_LIBCXX)
+#    if (__cplusplus >= 201402)
+#     if __has_include(<experimental/string_view>)
+#      define ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW 1
+#     endif // __has_include(<experimental/string_view>)
+#    endif // (__cplusplus >= 201402)
+#   endif // // defined(ASIO_HAS_CLANG_LIBCXX)
 #  endif // defined(__clang__)
 #  if defined(__GNUC__)
 #   if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 9)) || (__GNUC__ > 4)
 #    if (__cplusplus >= 201402)
-#     define ASIO_HAS_STD_STRING_VIEW 1
 #     define ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW 1
 #    endif // (__cplusplus >= 201402)
-#   endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
+#   endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 9)) || (__GNUC__ > 4)
 #  endif // defined(__GNUC__)
-#  if defined(ASIO_MSVC)
-#   if (_MSC_VER >= 1910 && _HAS_CXX17)
-#    define ASIO_HAS_STD_STRING_VIEW
-#   endif // (_MSC_VER >= 1910)
-#  endif // defined(ASIO_MSVC)
-# endif // !defined(ASIO_DISABLE_STD_STRING_VIEW)
-#endif // !defined(ASIO_HAS_STD_STRING_VIEW)
+# endif // !defined(ASIO_DISABLE_STD_EXPERIMENTAL_STRING_VIEW)
+#endif // !defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+
+// Standard library has a string_view that we can use.
+#if !defined(ASIO_HAS_STRING_VIEW)
+# if !defined(ASIO_DISABLE_STRING_VIEW)
+#  if defined(ASIO_HAS_STD_STRING_VIEW)
+#   define ASIO_HAS_STRING_VIEW 1
+#  elif defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+#   define ASIO_HAS_STRING_VIEW 1
+#  endif // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+# endif // !defined(ASIO_DISABLE_STRING_VIEW)
+#endif // !defined(ASIO_HAS_STRING_VIEW)
 
 // Standard library support for iostream move construction and assignment.
 #if !defined(ASIO_HAS_STD_IOSTREAM_MOVE)
@@ -815,6 +892,17 @@
 # endif // !defined(ASIO_DISABLE_STD_IOSTREAM_MOVE)
 #endif // !defined(ASIO_HAS_STD_IOSTREAM_MOVE)
 
+// Standard library has invoke_result (which supersedes result_of).
+#if !defined(ASIO_HAS_STD_INVOKE_RESULT)
+# if !defined(ASIO_DISABLE_STD_INVOKE_RESULT)
+#  if defined(ASIO_MSVC)
+#   if (_MSC_VER >= 1911 && _MSVC_LANG >= 201703)
+#    define ASIO_HAS_STD_INVOKE_RESULT 1
+#   endif // (_MSC_VER >= 1911 && _MSVC_LANG >= 201703)
+#  endif // defined(ASIO_MSVC)
+# endif // !defined(ASIO_DISABLE_STD_INVOKE_RESULT)
+#endif // !defined(ASIO_HAS_STD_INVOKE_RESULT)
+
 // Windows App target. Windows but with a limited API.
 #if !defined(ASIO_WINDOWS_APP)
 # if defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0603)
@@ -860,15 +948,15 @@
 #  if defined(_MSC_VER) || defined(__BORLANDC__)
 #   pragma message( \
   "Please define _WIN32_WINNT or _WIN32_WINDOWS appropriately. For example:\n"\
-  "- add -D_WIN32_WINNT=0x0501 to the compiler command line; or\n"\
-  "- add _WIN32_WINNT=0x0501 to your project's Preprocessor Definitions.\n"\
-  "Assuming _WIN32_WINNT=0x0501 (i.e. Windows XP target).")
+  "- add -D_WIN32_WINNT=0x0601 to the compiler command line; or\n"\
+  "- add _WIN32_WINNT=0x0601 to your project's Preprocessor Definitions.\n"\
+  "Assuming _WIN32_WINNT=0x0601 (i.e. Windows 7 target).")
 #  else // defined(_MSC_VER) || defined(__BORLANDC__)
 #   warning Please define _WIN32_WINNT or _WIN32_WINDOWS appropriately.
-#   warning For example, add -D_WIN32_WINNT=0x0501 to the compiler command line.
-#   warning Assuming _WIN32_WINNT=0x0501 (i.e. Windows XP target).
+#   warning For example, add -D_WIN32_WINNT=0x0601 to the compiler command line.
+#   warning Assuming _WIN32_WINNT=0x0601 (i.e. Windows 7 target).
 #  endif // defined(_MSC_VER) || defined(__BORLANDC__)
-#  define _WIN32_WINNT 0x0501
+#  define _WIN32_WINNT 0x0601
 # endif // !defined(_WIN32_WINNT) && !defined(_WIN32_WINDOWS)
 # if defined(_MSC_VER)
 #  if defined(_WIN32) && !defined(WIN32)
@@ -939,7 +1027,8 @@
    || defined(__FreeBSD__) \
    || defined(__NetBSD__) \
    || defined(__OpenBSD__) \
-   || defined(__linux__)
+   || defined(__linux__) \
+   || defined(__HAIKU__)
 #   define ASIO_HAS_UNISTD_H 1
 #  endif
 # endif // !defined(ASIO_HAS_BOOST_CONFIG)
@@ -1303,33 +1392,6 @@
         //   || (defined(__MACH__) && defined(__APPLE__))
 #endif // !defined(ASIO_DISABLE_SSIZE_T)
 
-// Helper macros to manage the transition away from the old services-based API.
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# define ASIO_SVC_TPARAM , typename Service
-# define ASIO_SVC_TPARAM_DEF1(d1) , typename Service d1
-# define ASIO_SVC_TPARAM_DEF2(d1, d2) , typename Service d1, d2
-# define ASIO_SVC_TARG , Service
-# define ASIO_SVC_T Service
-# define ASIO_SVC_TPARAM1 , typename Service1
-# define ASIO_SVC_TPARAM1_DEF1(d1) , typename Service1 d1
-# define ASIO_SVC_TPARAM1_DEF2(d1, d2) , typename Service1 d1, d2
-# define ASIO_SVC_TARG1 , Service1
-# define ASIO_SVC_T1 Service1
-# define ASIO_SVC_ACCESS public
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-# define ASIO_SVC_TPARAM
-# define ASIO_SVC_TPARAM_DEF1(d1)
-# define ASIO_SVC_TPARAM_DEF2(d1, d2)
-# define ASIO_SVC_TARG
-// ASIO_SVC_T is defined at each point of use.
-# define ASIO_SVC_TPARAM1
-# define ASIO_SVC_TPARAM1_DEF1(d1)
-# define ASIO_SVC_TPARAM1_DEF2(d1, d2)
-# define ASIO_SVC_TARG1
-// ASIO_SVC_T1 is defined at each point of use.
-# define ASIO_SVC_ACCESS protected
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 // Helper macros to manage transition away from error_code return values.
 #if defined(ASIO_NO_DEPRECATED)
 # define ASIO_SYNC_OP_VOID void
@@ -1369,4 +1431,24 @@
 # define ASIO_UNUSED_VARIABLE
 #endif // !defined(ASIO_UNUSED_VARIABLE)
 
+// Support co_await on compilers known to allow it.
+#if !defined(ASIO_HAS_CO_AWAIT)
+# if !defined(ASIO_DISABLE_CO_AWAIT)
+#  if defined(ASIO_MSVC)
+#   if (_MSC_FULL_VER >= 190023506)
+#    if defined(_RESUMABLE_FUNCTIONS_SUPPORTED)
+#     define ASIO_HAS_CO_AWAIT 1
+#    endif // defined(_RESUMABLE_FUNCTIONS_SUPPORTED)
+#   endif // (_MSC_FULL_VER >= 190023506)
+#  endif // defined(ASIO_MSVC)
+# endif // !defined(ASIO_DISABLE_CO_AWAIT)
+# if defined(__clang__)
+#  if (__cpp_coroutines >= 201703)
+#   if __has_include(<experimental/coroutine>)
+#    define ASIO_HAS_CO_AWAIT 1
+#   endif // __has_include(<experimental/coroutine>)
+#  endif // (__cpp_coroutines >= 201703)
+# endif // defined(__clang__)
+#endif // !defined(ASIO_HAS_CO_AWAIT)
+
 #endif // ASIO_DETAIL_CONFIG_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/consuming_buffers.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/consuming_buffers.hpp
index ccdc86b..1f60401 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/consuming_buffers.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/consuming_buffers.hpp
@@ -2,7 +2,7 @@
 // detail/consuming_buffers.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -101,7 +101,7 @@ public:
 
     std::advance(next, next_elem_);
     std::size_t elem_offset = next_elem_offset_;
-    while (next != end && max_size > 0 && result.count < result.max_buffers)
+    while (next != end && max_size > 0 && (result.count) < result.max_buffers)
     {
       Buffer next_buf = Buffer(*next) + elem_offset;
       result.elems[result.count] = asio::buffer(next_buf, max_size);
@@ -400,7 +400,7 @@ public:
     // No-op.
   }
 
-  std::size_t total_consume() const
+  std::size_t total_consumed() const
   {
     return 0;
   }
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/cstddef.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/cstddef.hpp
index 15cc2f8..b34dae5 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/cstddef.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/cstddef.hpp
@@ -2,7 +2,7 @@
 // detail/cstddef.hpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/cstdint.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/cstdint.hpp
index 7d5bb0f..1f6ac44 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/cstdint.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/cstdint.hpp
@@ -2,7 +2,7 @@
 // detail/cstdint.hpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/date_time_fwd.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/date_time_fwd.hpp
index ce10b4b..3a2af4d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/date_time_fwd.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/date_time_fwd.hpp
@@ -2,7 +2,7 @@
 // detail/date_time_fwd.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/deadline_timer_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/deadline_timer_service.hpp
index de22cea..28ee3e4 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/deadline_timer_service.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/deadline_timer_service.hpp
@@ -2,7 +2,7 @@
 // detail/deadline_timer_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -18,7 +18,7 @@
 #include "asio/detail/config.hpp"
 #include <cstddef>
 #include "asio/error.hpp"
-#include "asio/io_context.hpp"
+#include "asio/execution_context.hpp"
 #include "asio/detail/bind_handler.hpp"
 #include "asio/detail/fenced_block.hpp"
 #include "asio/detail/memory.hpp"
@@ -43,7 +43,7 @@ namespace detail {
 
 template <typename Time_Traits>
 class deadline_timer_service
-  : public service_base<deadline_timer_service<Time_Traits> >
+  : public execution_context_service_base<deadline_timer_service<Time_Traits> >
 {
 public:
   // The time type.
@@ -63,9 +63,10 @@ public:
   };
 
   // Constructor.
-  deadline_timer_service(asio::io_context& io_context)
-    : service_base<deadline_timer_service<Time_Traits> >(io_context),
-      scheduler_(asio::use_service<timer_scheduler>(io_context))
+  deadline_timer_service(execution_context& context)
+    : execution_context_service_base<
+        deadline_timer_service<Time_Traits> >(context),
+      scheduler_(asio::use_service<timer_scheduler>(context))
   {
     scheduler_.init_task();
     scheduler_.add_timer_queue(timer_queue_);
@@ -225,14 +226,15 @@ public:
   }
 
   // Start an asynchronous wait on the timer.
-  template <typename Handler>
-  void async_wait(implementation_type& impl, Handler& handler)
+  template <typename Handler, typename IoExecutor>
+  void async_wait(implementation_type& impl,
+      Handler& handler, const IoExecutor& io_ex)
   {
     // Allocate and construct an operation to wrap the handler.
-    typedef wait_handler<Handler> op;
+    typedef wait_handler<Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(handler);
+    p.p = new (p.v) op(handler, io_ex);
 
     impl.might_have_pending_waits = true;
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/dependent_type.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/dependent_type.hpp
index 5d82923..c7b4866 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/dependent_type.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/dependent_type.hpp
@@ -2,7 +2,7 @@
 // detail/dependent_type.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/descriptor_ops.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/descriptor_ops.hpp
index 2f5b0b5..3a14288 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/descriptor_ops.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/descriptor_ops.hpp
@@ -2,7 +2,7 @@
 // detail/descriptor_ops.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/descriptor_read_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/descriptor_read_op.hpp
index ce7e44e..c14362e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/descriptor_read_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/descriptor_read_op.hpp
@@ -2,7 +2,7 @@
 // detail/descriptor_read_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -66,20 +66,21 @@ private:
   MutableBufferSequence buffers_;
 };
 
-template <typename MutableBufferSequence, typename Handler>
+template <typename MutableBufferSequence, typename Handler, typename IoExecutor>
 class descriptor_read_op
   : public descriptor_read_op_base<MutableBufferSequence>
 {
 public:
   ASIO_DEFINE_HANDLER_PTR(descriptor_read_op);
 
-  descriptor_read_op(int descriptor,
-      const MutableBufferSequence& buffers, Handler& handler)
+  descriptor_read_op(int descriptor, const MutableBufferSequence& buffers,
+      Handler& handler, const IoExecutor& io_ex)
     : descriptor_read_op_base<MutableBufferSequence>(
         descriptor, buffers, &descriptor_read_op::do_complete),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -89,7 +90,7 @@ public:
     // Take ownership of the handler object.
     descriptor_read_op* o(static_cast<descriptor_read_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*o));
 
@@ -116,6 +117,7 @@ public:
 
 private:
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/descriptor_write_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/descriptor_write_op.hpp
index 3815251..0ba3282 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/descriptor_write_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/descriptor_write_op.hpp
@@ -2,7 +2,7 @@
 // detail/descriptor_write_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -66,20 +66,21 @@ private:
   ConstBufferSequence buffers_;
 };
 
-template <typename ConstBufferSequence, typename Handler>
+template <typename ConstBufferSequence, typename Handler, typename IoExecutor>
 class descriptor_write_op
   : public descriptor_write_op_base<ConstBufferSequence>
 {
 public:
   ASIO_DEFINE_HANDLER_PTR(descriptor_write_op);
 
-  descriptor_write_op(int descriptor,
-      const ConstBufferSequence& buffers, Handler& handler)
+  descriptor_write_op(int descriptor, const ConstBufferSequence& buffers,
+      Handler& handler, const IoExecutor& io_ex)
     : descriptor_write_op_base<ConstBufferSequence>(
         descriptor, buffers, &descriptor_write_op::do_complete),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -89,7 +90,7 @@ public:
     // Take ownership of the handler object.
     descriptor_write_op* o(static_cast<descriptor_write_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*o));
 
@@ -116,6 +117,7 @@ public:
 
 private:
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/dev_poll_reactor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/dev_poll_reactor.hpp
index 0a9a780..41c2330 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/dev_poll_reactor.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/dev_poll_reactor.hpp
@@ -2,7 +2,7 @@
 // detail/dev_poll_reactor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/epoll_reactor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/epoll_reactor.hpp
index be18564..248eb8a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/epoll_reactor.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/epoll_reactor.hpp
@@ -2,7 +2,7 @@
 // detail/epoll_reactor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -32,6 +32,10 @@
 #include "asio/detail/wait_op.hpp"
 #include "asio/execution_context.hpp"
 
+#if defined(ASIO_HAS_TIMERFD)
+# include <sys/timerfd.h>
+#endif // defined(ASIO_HAS_TIMERFD)
+
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/event.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/event.hpp
index 92901e7..d1c7a57 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/event.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/event.hpp
@@ -2,7 +2,7 @@
 // detail/event.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/eventfd_select_interrupter.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/eventfd_select_interrupter.hpp
index d6e45f0..4dcf698 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/eventfd_select_interrupter.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/eventfd_select_interrupter.hpp
@@ -2,7 +2,7 @@
 // detail/eventfd_select_interrupter.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Roelof Naude (roelof.naude at gmail dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/executor_function.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/executor_function.hpp
new file mode 100644
index 0000000..9b3f581
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/executor_function.hpp
@@ -0,0 +1,104 @@
+//
+// detail/executor_function.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_EXECUTOR_FUNCTION_HPP
+#define ASIO_DETAIL_EXECUTOR_FUNCTION_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/detail/handler_alloc_helpers.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace detail {
+
+class executor_function_base
+{
+public:
+  void complete()
+  {
+    func_(this, true);
+  }
+
+  void destroy()
+  {
+    func_(this, false);
+  }
+
+protected:
+  typedef void (*func_type)(executor_function_base*, bool);
+
+  executor_function_base(func_type func)
+    : func_(func)
+  {
+  }
+
+  // Prevents deletion through this type.
+  ~executor_function_base()
+  {
+  }
+
+private:
+  func_type func_;
+};
+
+template <typename Function, typename Alloc>
+class executor_function : public executor_function_base
+{
+public:
+  ASIO_DEFINE_TAGGED_HANDLER_ALLOCATOR_PTR(
+      thread_info_base::executor_function_tag, executor_function);
+
+  template <typename F>
+  executor_function(ASIO_MOVE_ARG(F) f, const Alloc& allocator)
+    : executor_function_base(&executor_function::do_complete),
+      function_(ASIO_MOVE_CAST(F)(f)),
+      allocator_(allocator)
+  {
+  }
+
+  static void do_complete(executor_function_base* base, bool call)
+  {
+    // Take ownership of the function object.
+    executor_function* o(static_cast<executor_function*>(base));
+    Alloc allocator(o->allocator_);
+    ptr p = { detail::addressof(allocator), o, o };
+
+    // Make a copy of the function so that the memory can be deallocated before
+    // the upcall is made. Even if we're not about to make an upcall, a
+    // sub-object of the function may be the true owner of the memory
+    // associated with the function. Consequently, a local copy of the function
+    // is required to ensure that any owning sub-object remains valid until
+    // after we have deallocated the memory here.
+    Function function(ASIO_MOVE_CAST(Function)(o->function_));
+    p.reset();
+
+    // Make the upcall if required.
+    if (call)
+    {
+      function();
+    }
+  }
+
+private:
+  Function function_;
+  Alloc allocator_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_EXECUTOR_FUNCTION_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/executor_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/executor_op.hpp
index d9cd8ad..7c7b253 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/executor_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/executor_op.hpp
@@ -2,7 +2,7 @@
 // detail/executor_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/fd_set_adapter.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/fd_set_adapter.hpp
index cc842b2..a239ec7 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/fd_set_adapter.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/fd_set_adapter.hpp
@@ -2,7 +2,7 @@
 // detail/fd_set_adapter.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/fenced_block.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/fenced_block.hpp
index 6db72c2..1404837 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/fenced_block.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/fenced_block.hpp
@@ -2,7 +2,7 @@
 // detail/fenced_block.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/functional.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/functional.hpp
index 540103d..ef2e4e4 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/functional.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/functional.hpp
@@ -2,7 +2,7 @@
 // detail/functional.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/future.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/future.hpp
new file mode 100644
index 0000000..00c22d1
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/future.hpp
@@ -0,0 +1,33 @@
+//
+// detail/future.hpp
+// ~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_FUTURE_HPP
+#define ASIO_DETAIL_FUTURE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#if defined(ASIO_HAS_STD_FUTURE)
+# include <future>
+// Even though the future header is available, libstdc++ may not implement the
+// std::future class itself. However, we need to have already included the
+// future header to reliably test for _GLIBCXX_HAS_GTHREADS.
+# if defined(__GNUC__) && !defined(ASIO_HAS_CLANG_LIBCXX)
+#  if defined(_GLIBCXX_HAS_GTHREADS)
+#   define ASIO_HAS_STD_FUTURE_CLASS 1
+#  endif // defined(_GLIBCXX_HAS_GTHREADS)
+# else // defined(__GNUC__) && !defined(ASIO_HAS_CLANG_LIBCXX)
+#  define ASIO_HAS_STD_FUTURE_CLASS 1
+# endif // defined(__GNUC__) && !defined(ASIO_HAS_CLANG_LIBCXX)
+#endif // defined(ASIO_HAS_STD_FUTURE)
+
+#endif // ASIO_DETAIL_FUTURE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/gcc_arm_fenced_block.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/gcc_arm_fenced_block.hpp
index a134aaa..a891131 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/gcc_arm_fenced_block.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/gcc_arm_fenced_block.hpp
@@ -2,7 +2,7 @@
 // detail/gcc_arm_fenced_block.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/gcc_hppa_fenced_block.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/gcc_hppa_fenced_block.hpp
index a850ac1..3037671 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/gcc_hppa_fenced_block.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/gcc_hppa_fenced_block.hpp
@@ -2,7 +2,7 @@
 // detail/gcc_hppa_fenced_block.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/gcc_sync_fenced_block.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/gcc_sync_fenced_block.hpp
index d947096..340db21 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/gcc_sync_fenced_block.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/gcc_sync_fenced_block.hpp
@@ -2,7 +2,7 @@
 // detail/gcc_sync_fenced_block.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/gcc_x86_fenced_block.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/gcc_x86_fenced_block.hpp
index 8f4c527..1398b2a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/gcc_x86_fenced_block.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/gcc_x86_fenced_block.hpp
@@ -2,7 +2,7 @@
 // detail/gcc_x86_fenced_block.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/global.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/global.hpp
index b937887..9d1b58d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/global.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/global.hpp
@@ -2,7 +2,7 @@
 // detail/global.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_alloc_helpers.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_alloc_helpers.hpp
index 558793d..ef3ff87 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_alloc_helpers.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_alloc_helpers.hpp
@@ -2,7 +2,7 @@
 // detail/handler_alloc_helpers.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -192,7 +192,7 @@ struct get_hook_allocator<Handler, std::allocator<T> >
   } \
   /**/
 
-#define ASIO_DEFINE_HANDLER_ALLOCATOR_PTR(op) \
+#define ASIO_DEFINE_TAGGED_HANDLER_ALLOCATOR_PTR(purpose, op) \
   struct ptr \
   { \
     const Alloc* a; \
@@ -205,9 +205,10 @@ struct get_hook_allocator<Handler, std::allocator<T> >
     static op* allocate(const Alloc& a) \
     { \
       typedef typename ::asio::detail::get_recycling_allocator< \
-        Alloc>::type recycling_allocator_type; \
+        Alloc, purpose>::type recycling_allocator_type; \
       ASIO_REBIND_ALLOC(recycling_allocator_type, op) a1( \
-            ::asio::detail::get_recycling_allocator<Alloc>::get(a)); \
+            ::asio::detail::get_recycling_allocator< \
+              Alloc, purpose>::get(a)); \
       return a1.allocate(1); \
     } \
     void reset() \
@@ -220,9 +221,10 @@ struct get_hook_allocator<Handler, std::allocator<T> >
       if (v) \
       { \
         typedef typename ::asio::detail::get_recycling_allocator< \
-          Alloc>::type recycling_allocator_type; \
+          Alloc, purpose>::type recycling_allocator_type; \
         ASIO_REBIND_ALLOC(recycling_allocator_type, op) a1( \
-              ::asio::detail::get_recycling_allocator<Alloc>::get(*a)); \
+              ::asio::detail::get_recycling_allocator< \
+                Alloc, purpose>::get(*a)); \
         a1.deallocate(static_cast<op*>(v), 1); \
         v = 0; \
       } \
@@ -230,6 +232,11 @@ struct get_hook_allocator<Handler, std::allocator<T> >
   } \
   /**/
 
+#define ASIO_DEFINE_HANDLER_ALLOCATOR_PTR(op) \
+  ASIO_DEFINE_TAGGED_HANDLER_ALLOCATOR_PTR( \
+      ::asio::detail::thread_info_base::default_tag, op ) \
+  /**/
+
 #include "asio/detail/pop_options.hpp"
 
 #endif // ASIO_DETAIL_HANDLER_ALLOC_HELPERS_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_cont_helpers.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_cont_helpers.hpp
index c57810b..0abefbe 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_cont_helpers.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_cont_helpers.hpp
@@ -2,7 +2,7 @@
 // detail/handler_cont_helpers.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_invoke_helpers.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_invoke_helpers.hpp
index 4b160c3..5bab1b0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_invoke_helpers.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_invoke_helpers.hpp
@@ -2,7 +2,7 @@
 // detail/handler_invoke_helpers.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_tracking.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_tracking.hpp
index 187db67..d8276de 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_tracking.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_tracking.hpp
@@ -2,7 +2,7 @@
 // detail/handler_tracking.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_type_requirements.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_type_requirements.hpp
index 2bff91a..1b941ff 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_type_requirements.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_type_requirements.hpp
@@ -2,7 +2,7 @@
 // detail/handler_type_requirements.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -127,7 +127,7 @@ struct handler_type_requirements
 {
 };
 
-#define ASIO_COMPLETION_HANDLER_CHECK( \
+#define ASIO_LEGACY_COMPLETION_HANDLER_CHECK( \
     handler_type, handler) \
   \
   typedef ASIO_HANDLER_TYPE(handler_type, \
@@ -492,7 +492,7 @@ struct handler_type_requirements
 
 #else // !defined(ASIO_ENABLE_HANDLER_TYPE_REQUIREMENTS)
 
-#define ASIO_COMPLETION_HANDLER_CHECK( \
+#define ASIO_LEGACY_COMPLETION_HANDLER_CHECK( \
     handler_type, handler) \
   typedef int ASIO_UNUSED_TYPEDEF
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_work.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_work.hpp
index 16a5d3a..02528a7 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_work.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_work.hpp
@@ -2,7 +2,7 @@
 // detail/handler_work.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -27,24 +27,41 @@ namespace detail {
 // A helper class template to allow completion handlers to be dispatched
 // through either the new executors framework or the old invocaton hook. The
 // primary template uses the new executors framework.
-template <typename Handler, typename Executor
-    = typename associated_executor<Handler>::type>
+template <typename Handler,
+    typename IoExecutor = system_executor, typename HandlerExecutor
+      = typename associated_executor<Handler, IoExecutor>::type>
 class handler_work
 {
 public:
   explicit handler_work(Handler& handler) ASIO_NOEXCEPT
-    : executor_(associated_executor<Handler>::get(handler))
+    : io_executor_(),
+      executor_(asio::get_associated_executor(handler, io_executor_))
+  {
+  }
+
+  handler_work(Handler& handler, const IoExecutor& io_ex) ASIO_NOEXCEPT
+    : io_executor_(io_ex),
+      executor_(asio::get_associated_executor(handler, io_executor_))
   {
   }
 
   static void start(Handler& handler) ASIO_NOEXCEPT
   {
-    Executor ex(associated_executor<Handler>::get(handler));
+    HandlerExecutor ex(asio::get_associated_executor(handler));
     ex.on_work_started();
   }
 
+  static void start(Handler& handler,
+      const IoExecutor& io_ex) ASIO_NOEXCEPT
+  {
+    HandlerExecutor ex(asio::get_associated_executor(handler, io_ex));
+    ex.on_work_started();
+    io_ex.on_work_started();
+  }
+
   ~handler_work()
   {
+    io_executor_.on_work_finished();
     executor_.on_work_finished();
   }
 
@@ -52,7 +69,7 @@ public:
   void complete(Function& function, Handler& handler)
   {
     executor_.dispatch(ASIO_MOVE_CAST(Function)(function),
-        associated_allocator<Handler>::get(handler));
+        asio::get_associated_allocator(handler));
   }
 
 private:
@@ -60,7 +77,8 @@ private:
   handler_work(const handler_work&);
   handler_work& operator=(const handler_work&);
 
-  typename associated_executor<Handler>::type executor_;
+  IoExecutor io_executor_;
+  HandlerExecutor executor_;
 };
 
 // This specialisation dispatches a handler through the old invocation hook.
@@ -68,7 +86,7 @@ private:
 // system_executor will dispatch through the hook anyway. However, by doing
 // this we avoid an extra copy of the handler.
 template <typename Handler>
-class handler_work<Handler, system_executor>
+class handler_work<Handler, system_executor, system_executor>
 {
 public:
   explicit handler_work(Handler&) ASIO_NOEXCEPT {}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/hash_map.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/hash_map.hpp
index 3702194..b9f9325 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/hash_map.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/hash_map.hpp
@@ -2,7 +2,7 @@
 // detail/hash_map.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/buffer_sequence_adapter.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/buffer_sequence_adapter.ipp
index a5bc28d..dbee234 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/buffer_sequence_adapter.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/buffer_sequence_adapter.ipp
@@ -2,7 +2,7 @@
 // detail/impl/buffer_sequence_adapter.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/descriptor_ops.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/descriptor_ops.ipp
index a76477b..cdceb08 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/descriptor_ops.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/descriptor_ops.ipp
@@ -2,7 +2,7 @@
 // detail/impl/descriptor_ops.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/dev_poll_reactor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/dev_poll_reactor.hpp
index 3bb5db2..6cee8e2 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/dev_poll_reactor.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/dev_poll_reactor.hpp
@@ -2,7 +2,7 @@
 // detail/impl/dev_poll_reactor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/dev_poll_reactor.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/dev_poll_reactor.ipp
index 58d6cd7..b810605 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/dev_poll_reactor.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/dev_poll_reactor.ipp
@@ -2,7 +2,7 @@
 // detail/impl/dev_poll_reactor.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/epoll_reactor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/epoll_reactor.hpp
index db344b6..ddfcb5e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/epoll_reactor.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/epoll_reactor.hpp
@@ -2,7 +2,7 @@
 // detail/impl/epoll_reactor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/epoll_reactor.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/epoll_reactor.ipp
index 7ffcf3f..3f731eb 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/epoll_reactor.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/epoll_reactor.ipp
@@ -2,7 +2,7 @@
 // detail/impl/epoll_reactor.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/eventfd_select_interrupter.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/eventfd_select_interrupter.ipp
index 8141145..9ff9bc8 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/eventfd_select_interrupter.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/eventfd_select_interrupter.ipp
@@ -2,7 +2,7 @@
 // detail/impl/eventfd_select_interrupter.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Roelof Naude (roelof.naude at gmail dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/handler_tracking.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/handler_tracking.ipp
index b185601..51bf3cb 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/handler_tracking.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/handler_tracking.ipp
@@ -2,7 +2,7 @@
 // detail/impl/handler_tracking.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/kqueue_reactor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/kqueue_reactor.hpp
index 7e3448f..3028ebb 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/kqueue_reactor.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/kqueue_reactor.hpp
@@ -2,7 +2,7 @@
 // detail/impl/kqueue_reactor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2005 Stefan Arentz (stefan at soze dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/kqueue_reactor.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/kqueue_reactor.ipp
index 617c44f..645b088 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/kqueue_reactor.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/kqueue_reactor.ipp
@@ -2,7 +2,7 @@
 // detail/impl/kqueue_reactor.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2005 Stefan Arentz (stefan at soze dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/null_event.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/null_event.ipp
index 4409f44..cdc4ff0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/null_event.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/null_event.ipp
@@ -2,7 +2,7 @@
 // detail/impl/null_event.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/pipe_select_interrupter.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/pipe_select_interrupter.ipp
index 1b3f6b8..9d53659 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/pipe_select_interrupter.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/pipe_select_interrupter.ipp
@@ -2,7 +2,7 @@
 // detail/impl/pipe_select_interrupter.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/posix_event.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/posix_event.ipp
index 09e5754..b2b354b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/posix_event.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/posix_event.ipp
@@ -2,7 +2,7 @@
 // detail/impl/posix_event.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/posix_mutex.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/posix_mutex.ipp
index 427a8ca..a4c9da1 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/posix_mutex.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/posix_mutex.ipp
@@ -2,7 +2,7 @@
 // detail/impl/posix_mutex.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/posix_thread.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/posix_thread.ipp
index c9861f4..4afaea0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/posix_thread.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/posix_thread.ipp
@@ -2,7 +2,7 @@
 // detail/impl/posix_thread.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/posix_tss_ptr.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/posix_tss_ptr.ipp
index 568fb06..bb59e9e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/posix_tss_ptr.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/posix_tss_ptr.ipp
@@ -2,7 +2,7 @@
 // detail/impl/posix_tss_ptr.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/reactive_descriptor_service.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/reactive_descriptor_service.ipp
index 8a340ed..b523165 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/reactive_descriptor_service.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/reactive_descriptor_service.ipp
@@ -2,7 +2,7 @@
 // detail/impl/reactive_descriptor_service.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -30,9 +30,9 @@ namespace asio {
 namespace detail {
 
 reactive_descriptor_service::reactive_descriptor_service(
-    asio::io_context& io_context)
-  : service_base<reactive_descriptor_service>(io_context),
-    reactor_(asio::use_service<reactor>(io_context))
+    execution_context& context)
+  : execution_context_service_base<reactive_descriptor_service>(context),
+    reactor_(asio::use_service<reactor>(context))
 {
   reactor_.init_task();
 }
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/reactive_serial_port_service.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/reactive_serial_port_service.ipp
index 2456ca9..d8521e9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/reactive_serial_port_service.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/reactive_serial_port_service.ipp
@@ -2,7 +2,7 @@
 // detail/impl/reactive_serial_port_service.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -30,9 +30,9 @@ namespace asio {
 namespace detail {
 
 reactive_serial_port_service::reactive_serial_port_service(
-    asio::io_context& io_context)
-  : service_base<reactive_serial_port_service>(io_context),
-    descriptor_service_(io_context)
+    execution_context& context)
+  : execution_context_service_base<reactive_serial_port_service>(context),
+    descriptor_service_(context)
 {
 }
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/reactive_socket_service_base.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/reactive_socket_service_base.ipp
index 890e8a2..8575f2f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/reactive_socket_service_base.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/reactive_socket_service_base.ipp
@@ -2,7 +2,7 @@
 // detail/reactive_socket_service_base.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -28,9 +28,8 @@ namespace asio {
 namespace detail {
 
 reactive_socket_service_base::reactive_socket_service_base(
-    asio::io_context& io_context)
-  : io_context_(io_context),
-    reactor_(use_service<reactor>(io_context))
+    execution_context& context)
+  : reactor_(use_service<reactor>(context))
 {
   reactor_.init_task();
 }
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/resolver_service_base.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/resolver_service_base.ipp
index 0e8b217..af07997 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/resolver_service_base.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/resolver_service_base.ipp
@@ -2,7 +2,7 @@
 // detail/impl/resolver_service_base.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -23,25 +23,30 @@
 namespace asio {
 namespace detail {
 
-class resolver_service_base::work_io_context_runner
+class resolver_service_base::work_scheduler_runner
 {
 public:
-  work_io_context_runner(asio::io_context& io_context)
-    : io_context_(io_context) {}
-  void operator()() { io_context_.run(); }
+  work_scheduler_runner(scheduler_impl& work_scheduler)
+    : work_scheduler_(work_scheduler)
+  {
+  }
+
+  void operator()()
+  {
+    asio::error_code ec;
+    work_scheduler_.run(ec);
+  }
+
 private:
-  asio::io_context& io_context_;
+  scheduler_impl& work_scheduler_;
 };
 
-resolver_service_base::resolver_service_base(
-    asio::io_context& io_context)
-  : io_context_impl_(asio::use_service<io_context_impl>(io_context)),
-    work_io_context_(new asio::io_context(-1)),
-    work_io_context_impl_(asio::use_service<
-        io_context_impl>(*work_io_context_)),
-    work_(asio::make_work_guard(*work_io_context_)),
+resolver_service_base::resolver_service_base(execution_context& context)
+  : scheduler_(asio::use_service<scheduler_impl>(context)),
+    work_scheduler_(new scheduler_impl(context, -1, false)),
     work_thread_(0)
 {
+  work_scheduler_->work_started();
 }
 
 resolver_service_base::~resolver_service_base()
@@ -51,34 +56,35 @@ resolver_service_base::~resolver_service_base()
 
 void resolver_service_base::base_shutdown()
 {
-  work_.reset();
-  if (work_io_context_.get())
+  if (work_scheduler_.get())
   {
-    work_io_context_->stop();
+    work_scheduler_->work_finished();
+    work_scheduler_->stop();
     if (work_thread_.get())
     {
       work_thread_->join();
       work_thread_.reset();
     }
-    work_io_context_.reset();
+    work_scheduler_.reset();
   }
 }
 
 void resolver_service_base::base_notify_fork(
-    asio::io_context::fork_event fork_ev)
+    execution_context::fork_event fork_ev)
 {
   if (work_thread_.get())
   {
-    if (fork_ev == asio::io_context::fork_prepare)
+    if (fork_ev == execution_context::fork_prepare)
     {
-      work_io_context_->stop();
+      work_scheduler_->stop();
       work_thread_->join();
+      work_thread_.reset();
     }
     else
     {
-      work_io_context_->restart();
+      work_scheduler_->restart();
       work_thread_.reset(new asio::detail::thread(
-            work_io_context_runner(*work_io_context_)));
+            work_scheduler_runner(*work_scheduler_)));
     }
   }
 }
@@ -92,7 +98,7 @@ void resolver_service_base::construct(
 void resolver_service_base::destroy(
     resolver_service_base::implementation_type& impl)
 {
-  ASIO_HANDLER_OPERATION((io_context_impl_.context(),
+  ASIO_HANDLER_OPERATION((scheduler_.context(),
         "resolver", &impl, 0, "cancel"));
 
   impl.reset();
@@ -114,7 +120,7 @@ void resolver_service_base::move_assign(implementation_type& impl,
 void resolver_service_base::cancel(
     resolver_service_base::implementation_type& impl)
 {
-  ASIO_HANDLER_OPERATION((io_context_impl_.context(),
+  ASIO_HANDLER_OPERATION((scheduler_.context(),
         "resolver", &impl, 0, "cancel"));
 
   impl.reset(static_cast<void*>(0), socket_ops::noop_deleter());
@@ -123,16 +129,16 @@ void resolver_service_base::cancel(
 void resolver_service_base::start_resolve_op(resolve_op* op)
 {
   if (ASIO_CONCURRENCY_HINT_IS_LOCKING(SCHEDULER,
-        io_context_impl_.concurrency_hint()))
+        scheduler_.concurrency_hint()))
   {
     start_work_thread();
-    io_context_impl_.work_started();
-    work_io_context_impl_.post_immediate_completion(op, false);
+    scheduler_.work_started();
+    work_scheduler_->post_immediate_completion(op, false);
   }
   else
   {
     op->ec_ = asio::error::operation_not_supported;
-    io_context_impl_.post_immediate_completion(op, false);
+    scheduler_.post_immediate_completion(op, false);
   }
 }
 
@@ -142,7 +148,7 @@ void resolver_service_base::start_work_thread()
   if (!work_thread_.get())
   {
     work_thread_.reset(new asio::detail::thread(
-          work_io_context_runner(*work_io_context_)));
+          work_scheduler_runner(*work_scheduler_)));
   }
 }
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/scheduler.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/scheduler.ipp
index a5e76ac..0e61d00 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/scheduler.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/scheduler.ipp
@@ -2,7 +2,7 @@
 // detail/impl/scheduler.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -23,12 +23,31 @@
 #include "asio/detail/reactor.hpp"
 #include "asio/detail/scheduler.hpp"
 #include "asio/detail/scheduler_thread_info.hpp"
+#include "asio/detail/signal_blocker.hpp"
 
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
 namespace detail {
 
+class scheduler::thread_function
+{
+public:
+  explicit thread_function(scheduler* s)
+    : this_(s)
+  {
+  }
+
+  void operator()()
+  {
+    asio::error_code ec;
+    this_->run(ec);
+  }
+
+private:
+  scheduler* this_;
+};
+
 struct scheduler::task_cleanup
 {
   ~task_cleanup()
@@ -84,8 +103,8 @@ struct scheduler::work_cleanup
   thread_info* this_thread_;
 };
 
-scheduler::scheduler(
-    asio::execution_context& ctx, int concurrency_hint)
+scheduler::scheduler(asio::execution_context& ctx,
+    int concurrency_hint, bool own_thread)
   : asio::detail::execution_context_service_base<scheduler>(ctx),
     one_thread_(concurrency_hint == 1
         || !ASIO_CONCURRENCY_HINT_IS_LOCKING(
@@ -99,17 +118,44 @@ scheduler::scheduler(
     outstanding_work_(0),
     stopped_(false),
     shutdown_(false),
-    concurrency_hint_(concurrency_hint)
+    concurrency_hint_(concurrency_hint),
+    thread_(0)
 {
   ASIO_HANDLER_TRACKING_INIT;
+
+  if (own_thread)
+  {
+    ++outstanding_work_;
+    asio::detail::signal_blocker sb;
+    thread_ = new asio::detail::thread(thread_function(this));
+  }
+}
+
+scheduler::~scheduler()
+{
+  if (thread_)
+  {
+    thread_->join();
+    delete thread_;
+  }
 }
 
 void scheduler::shutdown()
 {
   mutex::scoped_lock lock(mutex_);
   shutdown_ = true;
+  if (thread_)
+    stop_all_threads(lock);
   lock.unlock();
 
+  // Join thread to ensure task operation is returned to queue.
+  if (thread_)
+  {
+    thread_->join();
+    delete thread_;
+    thread_ = 0;
+  }
+
   // Destroy handler objects.
   while (!op_queue_.empty())
   {
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/select_reactor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/select_reactor.hpp
index 6eed733..46f9cef 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/select_reactor.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/select_reactor.hpp
@@ -2,7 +2,7 @@
 // detail/impl/select_reactor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/select_reactor.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/select_reactor.ipp
index d7b5f0a..e63c474 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/select_reactor.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/select_reactor.ipp
@@ -2,7 +2,7 @@
 // detail/impl/select_reactor.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/service_registry.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/service_registry.hpp
index 27b9ba2..2fac89d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/service_registry.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/service_registry.hpp
@@ -2,7 +2,7 @@
 // detail/impl/service_registry.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/service_registry.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/service_registry.ipp
index e27c70f..a5566ef 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/service_registry.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/service_registry.ipp
@@ -2,7 +2,7 @@
 // detail/impl/service_registry.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/signal_set_service.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/signal_set_service.ipp
index f19f8e2..127bb56 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/signal_set_service.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/signal_set_service.ipp
@@ -2,7 +2,7 @@
 // detail/impl/signal_set_service.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -118,14 +118,13 @@ public:
        //   && !defined(ASIO_WINDOWS_RUNTIME)
        //   && !defined(__CYGWIN__)
 
-signal_set_service::signal_set_service(
-    asio::io_context& io_context)
-  : service_base<signal_set_service>(io_context),
-    io_context_(asio::use_service<io_context_impl>(io_context)),
+signal_set_service::signal_set_service(execution_context& context)
+  : execution_context_service_base<signal_set_service>(context),
+    scheduler_(asio::use_service<scheduler_impl>(context)),
 #if !defined(ASIO_WINDOWS) \
   && !defined(ASIO_WINDOWS_RUNTIME) \
   && !defined(__CYGWIN__)
-    reactor_(asio::use_service<reactor>(io_context)),
+    reactor_(asio::use_service<reactor>(context)),
 #endif // !defined(ASIO_WINDOWS)
        //   && !defined(ASIO_WINDOWS_RUNTIME)
        //   && !defined(__CYGWIN__)
@@ -169,11 +168,10 @@ void signal_set_service::shutdown()
     }
   }
 
-  io_context_.abandon_operations(ops);
+  scheduler_.abandon_operations(ops);
 }
 
-void signal_set_service::notify_fork(
-    asio::io_context::fork_event fork_ev)
+void signal_set_service::notify_fork(execution_context::fork_event fork_ev)
 {
 #if !defined(ASIO_WINDOWS) \
   && !defined(ASIO_WINDOWS_RUNTIME) \
@@ -183,7 +181,7 @@ void signal_set_service::notify_fork(
 
   switch (fork_ev)
   {
-  case asio::io_context::fork_prepare:
+  case execution_context::fork_prepare:
     {
       int read_descriptor = state->read_descriptor_;
       state->fork_prepared_ = true;
@@ -192,7 +190,7 @@ void signal_set_service::notify_fork(
       reactor_.cleanup_descriptor_data(reactor_data_);
     }
     break;
-  case asio::io_context::fork_parent:
+  case execution_context::fork_parent:
     if (state->fork_prepared_)
     {
       int read_descriptor = state->read_descriptor_;
@@ -202,7 +200,7 @@ void signal_set_service::notify_fork(
           read_descriptor, reactor_data_, new pipe_read_op);
     }
     break;
-  case asio::io_context::fork_child:
+  case execution_context::fork_child:
     if (state->fork_prepared_)
     {
       asio::detail::signal_blocker blocker;
@@ -441,7 +439,7 @@ asio::error_code signal_set_service::cancel(
     signal_set_service::implementation_type& impl,
     asio::error_code& ec)
 {
-  ASIO_HANDLER_OPERATION((io_context_.context(),
+  ASIO_HANDLER_OPERATION((scheduler_.context(),
         "signal_set", &impl, 0, "cancel"));
 
   op_queue<operation> ops;
@@ -457,7 +455,7 @@ asio::error_code signal_set_service::cancel(
     }
   }
 
-  io_context_.post_deferred_completions(ops);
+  scheduler_.post_deferred_completions(ops);
 
   ec = asio::error_code();
   return ec;
@@ -493,7 +491,7 @@ void signal_set_service::deliver_signal(int signal_number)
       reg = reg->next_in_table_;
     }
 
-    service->io_context_.post_deferred_completions(ops);
+    service->scheduler_.post_deferred_completions(ops);
 
     service = service->next_;
   }
@@ -510,17 +508,17 @@ void signal_set_service::add_service(signal_set_service* service)
     open_descriptors();
 #endif // !defined(ASIO_WINDOWS) && !defined(__CYGWIN__)
 
-  // If an io_context object is thread-unsafe then it must be the only
-  // io_context used to create signal_set objects.
+  // If a scheduler_ object is thread-unsafe then it must be the only
+  // scheduler used to create signal_set objects.
   if (state->service_list_ != 0)
   {
     if (!ASIO_CONCURRENCY_HINT_IS_LOCKING(SCHEDULER,
-          service->io_context_.concurrency_hint())
+          service->scheduler_.concurrency_hint())
         || !ASIO_CONCURRENCY_HINT_IS_LOCKING(SCHEDULER,
-          state->service_list_->io_context_.concurrency_hint()))
+          state->service_list_->scheduler_.concurrency_hint()))
     {
       std::logic_error ex(
-          "Thread-unsafe io_context objects require "
+          "Thread-unsafe execution context objects require "
           "exclusive access to signal handling.");
       asio::detail::throw_exception(ex);
     }
@@ -639,7 +637,7 @@ void signal_set_service::close_descriptors()
 void signal_set_service::start_wait_op(
     signal_set_service::implementation_type& impl, signal_op* op)
 {
-  io_context_.work_started();
+  scheduler_.work_started();
 
   signal_state* state = get_signal_state();
   static_mutex::scoped_lock lock(state->mutex_);
@@ -651,7 +649,7 @@ void signal_set_service::start_wait_op(
     {
       --reg->undelivered_;
       op->signal_number_ = reg->signal_number_;
-      io_context_.post_deferred_completion(op);
+      scheduler_.post_deferred_completion(op);
       return;
     }
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/socket_ops.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/socket_ops.ipp
index e1a07e0..b17a60e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/socket_ops.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/socket_ops.ipp
@@ -2,7 +2,7 @@
 // detail/impl/socket_ops.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -771,7 +771,7 @@ signed_size_type recv(socket_type s, buf* bufs, size_t count,
   else if (ec.value() == ERROR_PORT_UNREACHABLE)
     ec = asio::error::connection_refused;
   else if (ec.value() == WSAEMSGSIZE || ec.value() == ERROR_MORE_DATA)
-    ec.assign(0, ec.category());
+    result = 0;
   if (result != 0)
     return socket_error_retval;
   ec = asio::error_code();
@@ -925,7 +925,7 @@ signed_size_type recvfrom(socket_type s, buf* bufs, size_t count,
   else if (ec.value() == ERROR_PORT_UNREACHABLE)
     ec = asio::error::connection_refused;
   else if (ec.value() == WSAEMSGSIZE || ec.value() == ERROR_MORE_DATA)
-    ec.assign(0, ec.category());
+    result = 0;
   if (result != 0)
     return socket_error_retval;
   ec = asio::error_code();
@@ -1502,7 +1502,8 @@ int setsockopt(socket_type s, state_type& state, int level, int optname,
     ec = asio::error_code();
 
 #if defined(__MACH__) && defined(__APPLE__) \
-  || defined(__NetBSD__) || defined(__FreeBSD__) || defined(__OpenBSD__)
+  || defined(__NetBSD__) || defined(__FreeBSD__) \
+  || defined(__OpenBSD__) || defined(__QNX__)
     // To implement portable behaviour for SO_REUSEADDR with UDP sockets we
     // need to also set SO_REUSEPORT on BSD-based platforms.
     if ((state & datagram_oriented)
@@ -2114,7 +2115,7 @@ const char* inet_ntop(int af, const void* src, char* dest, size_t length,
   if (result != 0 && af == ASIO_OS_DEF(AF_INET6) && scope_id != 0)
   {
     using namespace std; // For strcat and sprintf.
-    char if_name[IF_NAMESIZE + 1] = "%";
+    char if_name[(IF_NAMESIZE > 21 ? IF_NAMESIZE : 21) + 1] = "%";
     const in6_addr_type* ipv6_address = static_cast<const in6_addr_type*>(src);
     bool is_link_local = ((ipv6_address->s6_addr[0] == 0xfe)
         && ((ipv6_address->s6_addr[1] & 0xc0) == 0x80));
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/socket_select_interrupter.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/socket_select_interrupter.ipp
index b15b8f4..04e111b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/socket_select_interrupter.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/socket_select_interrupter.ipp
@@ -2,7 +2,7 @@
 // detail/impl/socket_select_interrupter.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/strand_executor_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/strand_executor_service.hpp
index 2fad849..3282f20 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/strand_executor_service.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/strand_executor_service.hpp
@@ -2,7 +2,7 @@
 // detail/impl/strand_executor_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/strand_executor_service.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/strand_executor_service.ipp
index 91f80d7..927a7c9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/strand_executor_service.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/strand_executor_service.ipp
@@ -2,7 +2,7 @@
 // detail/impl/strand_executor_service.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -40,8 +40,11 @@ void strand_executor_service::shutdown()
   strand_impl* impl = impl_list_;
   while (impl)
   {
+    impl->mutex_->lock();
+    impl->shutdown_ = true;
     ops.push(impl->waiting_queue_);
     ops.push(impl->ready_queue_);
+    impl->mutex_->unlock();
     impl = impl->next_;
   }
 }
@@ -51,6 +54,7 @@ strand_executor_service::create_implementation()
 {
   implementation_type new_impl(new strand_impl);
   new_impl->locked_ = false;
+  new_impl->shutdown_ = false;
 
   asio::detail::mutex::scoped_lock lock(mutex_);
 
@@ -92,7 +96,13 @@ bool strand_executor_service::enqueue(const implementation_type& impl,
     scheduler_operation* op)
 {
   impl->mutex_->lock();
-  if (impl->locked_)
+  if (impl->shutdown_)
+  {
+    impl->mutex_->unlock();
+    op->destroy();
+    return false;
+  }
+  else if (impl->locked_)
   {
     // Some other function already holds the strand lock. Enqueue for later.
     impl->waiting_queue_.push(op);
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/strand_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/strand_service.hpp
index dfeeaf5..e873698 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/strand_service.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/strand_service.hpp
@@ -2,7 +2,7 @@
 // detail/impl/strand_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/strand_service.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/strand_service.ipp
index 5b6e8ee..9696cac 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/strand_service.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/strand_service.ipp
@@ -2,7 +2,7 @@
 // detail/impl/strand_service.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/throw_error.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/throw_error.ipp
index 67ca630..57e72b6 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/throw_error.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/throw_error.ipp
@@ -2,7 +2,7 @@
 // detail/impl/throw_error.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/timer_queue_ptime.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/timer_queue_ptime.ipp
index 2a809f4..49fd22d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/timer_queue_ptime.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/timer_queue_ptime.ipp
@@ -2,7 +2,7 @@
 // detail/impl/timer_queue_ptime.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/timer_queue_set.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/timer_queue_set.ipp
index fb7a913..9b7ab28 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/timer_queue_set.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/timer_queue_set.ipp
@@ -2,7 +2,7 @@
 // detail/impl/timer_queue_set.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_event.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_event.ipp
index 3e4edaa..6d16451 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_event.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_event.ipp
@@ -2,7 +2,7 @@
 // detail/win_event.ipp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_iocp_handle_service.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_iocp_handle_service.ipp
index b5bcc4c..bd77a86 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_iocp_handle_service.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_iocp_handle_service.ipp
@@ -2,7 +2,7 @@
 // detail/impl/win_iocp_handle_service.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -65,10 +65,9 @@ public:
   }
 };
 
-win_iocp_handle_service::win_iocp_handle_service(
-    asio::io_context& io_context)
-  : service_base<win_iocp_handle_service>(io_context),
-    iocp_service_(asio::use_service<win_iocp_io_context>(io_context)),
+win_iocp_handle_service::win_iocp_handle_service(execution_context& context)
+  : execution_context_service_base<win_iocp_handle_service>(context),
+    iocp_service_(asio::use_service<win_iocp_io_context>(context)),
     mutex_(),
     impl_list_(0)
 {
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_iocp_io_context.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_iocp_io_context.hpp
index 9a61eb3..1a60c6c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_iocp_io_context.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_iocp_io_context.hpp
@@ -2,7 +2,7 @@
 // detail/impl/win_iocp_io_context.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_iocp_io_context.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_iocp_io_context.ipp
index f9de261..7930bd4 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_iocp_io_context.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_iocp_io_context.ipp
@@ -2,7 +2,7 @@
 // detail/impl/win_iocp_io_context.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -24,6 +24,7 @@
 #include "asio/detail/handler_alloc_helpers.hpp"
 #include "asio/detail/handler_invoke_helpers.hpp"
 #include "asio/detail/limits.hpp"
+#include "asio/detail/thread.hpp"
 #include "asio/detail/throw_error.hpp"
 #include "asio/detail/win_iocp_io_context.hpp"
 
@@ -32,6 +33,22 @@
 namespace asio {
 namespace detail {
 
+struct win_iocp_io_context::thread_function
+{
+  explicit thread_function(win_iocp_io_context* s)
+    : this_(s)
+  {
+  }
+
+  void operator()()
+  {
+    asio::error_code ec;
+    this_->run(ec);
+  }
+
+  win_iocp_io_context* this_;
+};
+
 struct win_iocp_io_context::work_finished_on_block_exit
 {
   ~work_finished_on_block_exit()
@@ -62,7 +79,7 @@ struct win_iocp_io_context::timer_thread_function
 };
 
 win_iocp_io_context::win_iocp_io_context(
-    asio::execution_context& ctx, int concurrency_hint)
+    asio::execution_context& ctx, int concurrency_hint, bool own_thread)
   : execution_context_service_base<win_iocp_io_context>(ctx),
     iocp_(),
     outstanding_work_(0),
@@ -84,6 +101,21 @@ win_iocp_io_context::win_iocp_io_context(
         asio::error::get_system_category());
     asio::detail::throw_error(ec, "iocp");
   }
+
+  if (own_thread)
+  {
+    ::InterlockedIncrement(&outstanding_work_);
+    thread_.reset(new asio::detail::thread(thread_function(this)));
+  }
+}
+
+win_iocp_io_context::~win_iocp_io_context()
+{
+  if (thread_.get())
+  {
+    thread_->join();
+    thread_.reset();
+  }
 }
 
 void win_iocp_io_context::shutdown()
@@ -97,6 +129,13 @@ void win_iocp_io_context::shutdown()
     ::SetWaitableTimer(waitable_timer_.handle, &timeout, 1, 0, 0, FALSE);
   }
 
+  if (thread_.get())
+  {
+    thread_->join();
+    thread_.reset();
+    ::InterlockedDecrement(&outstanding_work_);
+  }
+
   while (::InterlockedExchangeAdd(&outstanding_work_, 0) > 0)
   {
     op_queue<win_iocp_operation> ops;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_iocp_serial_port_service.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_iocp_serial_port_service.ipp
index 9f18a09..74fb0b2 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_iocp_serial_port_service.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_iocp_serial_port_service.ipp
@@ -2,7 +2,7 @@
 // detail/impl/win_iocp_serial_port_service.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -29,9 +29,9 @@ namespace asio {
 namespace detail {
 
 win_iocp_serial_port_service::win_iocp_serial_port_service(
-    asio::io_context& io_context)
-  : service_base<win_iocp_serial_port_service>(io_context),
-    handle_service_(io_context)
+    execution_context& context)
+  : execution_context_service_base<win_iocp_serial_port_service>(context),
+    handle_service_(context)
 {
 }
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_iocp_socket_service_base.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_iocp_socket_service_base.ipp
index 5b64d64..85506ca 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_iocp_socket_service_base.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_iocp_socket_service_base.ipp
@@ -2,7 +2,7 @@
 // detail/impl/win_iocp_socket_service_base.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -27,9 +27,9 @@ namespace asio {
 namespace detail {
 
 win_iocp_socket_service_base::win_iocp_socket_service_base(
-    asio::io_context& io_context)
-  : io_context_(io_context),
-    iocp_service_(use_service<win_iocp_io_context>(io_context)),
+    execution_context& context)
+  : context_(context),
+    iocp_service_(use_service<win_iocp_io_context>(context)),
     reactor_(0),
     connect_ex_(0),
     nt_set_info_(0),
@@ -707,7 +707,7 @@ select_reactor& win_iocp_socket_service_base::get_reactor()
           reinterpret_cast<void**>(&reactor_), 0, 0));
   if (!r)
   {
-    r = &(use_service<select_reactor>(io_context_));
+    r = &(use_service<select_reactor>(context_));
     interlocked_exchange_pointer(reinterpret_cast<void**>(&reactor_), r);
   }
   return *r;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_mutex.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_mutex.ipp
index faa521d..73a8545 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_mutex.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_mutex.ipp
@@ -2,7 +2,7 @@
 // detail/impl/win_mutex.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_object_handle_service.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_object_handle_service.ipp
index 0452c8a..d51bbd0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_object_handle_service.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_object_handle_service.ipp
@@ -2,7 +2,7 @@
 // detail/impl/win_object_handle_service.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2011 Boris Schaeling (boris@highscore.de)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -27,10 +27,9 @@
 namespace asio {
 namespace detail {
 
-win_object_handle_service::win_object_handle_service(
-    asio::io_context& io_context)
-  : service_base<win_object_handle_service>(io_context),
-    io_context_(asio::use_service<io_context_impl>(io_context)),
+win_object_handle_service::win_object_handle_service(execution_context& context)
+  : execution_context_service_base<win_object_handle_service>(context),
+    scheduler_(asio::use_service<scheduler_impl>(context)),
     mutex_(),
     impl_list_(0),
     shutdown_(false)
@@ -52,7 +51,7 @@ void win_object_handle_service::shutdown()
 
   lock.unlock();
 
-  io_context_.abandon_operations(ops);
+  scheduler_.abandon_operations(ops);
 }
 
 void win_object_handle_service::construct(
@@ -178,7 +177,7 @@ void win_object_handle_service::destroy(
 
   if (is_open(impl))
   {
-    ASIO_HANDLER_OPERATION((io_context_.context(), "object_handle",
+    ASIO_HANDLER_OPERATION((scheduler_.context(), "object_handle",
           &impl, reinterpret_cast<uintmax_t>(impl.wait_handle_), "close"));
 
     HANDLE wait_handle = impl.wait_handle_;
@@ -203,7 +202,7 @@ void win_object_handle_service::destroy(
     ::CloseHandle(impl.handle_);
     impl.handle_ = INVALID_HANDLE_VALUE;
 
-    io_context_.post_deferred_completions(ops);
+    scheduler_.post_deferred_completions(ops);
   }
 }
 
@@ -228,7 +227,7 @@ asio::error_code win_object_handle_service::close(
 {
   if (is_open(impl))
   {
-    ASIO_HANDLER_OPERATION((io_context_.context(), "object_handle",
+    ASIO_HANDLER_OPERATION((scheduler_.context(), "object_handle",
           &impl, reinterpret_cast<uintmax_t>(impl.wait_handle_), "close"));
 
     mutex::scoped_lock lock(mutex_);
@@ -264,7 +263,7 @@ asio::error_code win_object_handle_service::close(
           asio::error::get_system_category());
     }
 
-    io_context_.post_deferred_completions(completed_ops);
+    scheduler_.post_deferred_completions(completed_ops);
   }
   else
   {
@@ -280,7 +279,7 @@ asio::error_code win_object_handle_service::cancel(
 {
   if (is_open(impl))
   {
-    ASIO_HANDLER_OPERATION((io_context_.context(), "object_handle",
+    ASIO_HANDLER_OPERATION((scheduler_.context(), "object_handle",
           &impl, reinterpret_cast<uintmax_t>(impl.wait_handle_), "cancel"));
 
     mutex::scoped_lock lock(mutex_);
@@ -306,7 +305,7 @@ asio::error_code win_object_handle_service::cancel(
 
     ec = asio::error_code();
 
-    io_context_.post_deferred_completions(completed_ops);
+    scheduler_.post_deferred_completions(completed_ops);
   }
   else
   {
@@ -340,7 +339,7 @@ void win_object_handle_service::wait(
 void win_object_handle_service::start_wait_op(
     win_object_handle_service::implementation_type& impl, wait_op* op)
 {
-  io_context_.work_started();
+  scheduler_.work_started();
 
   if (is_open(impl))
   {
@@ -358,13 +357,13 @@ void win_object_handle_service::start_wait_op(
     else
     {
       lock.unlock();
-      io_context_.post_deferred_completion(op);
+      scheduler_.post_deferred_completion(op);
     }
   }
   else
   {
     op->ec_ = asio::error::bad_descriptor;
-    io_context_.post_deferred_completion(op);
+    scheduler_.post_deferred_completion(op);
   }
 }
 
@@ -391,7 +390,7 @@ void win_object_handle_service::register_wait_callback(
     }
 
     lock.unlock();
-    io_context_.post_deferred_completions(completed_ops);
+    scheduler_.post_deferred_completions(completed_ops);
   }
 }
 
@@ -433,9 +432,9 @@ void win_object_handle_service::wait_callback(PVOID param, BOOLEAN)
       }
     }
 
-    io_context_impl& ioc = impl->owner_->io_context_;
+    scheduler_impl& sched = impl->owner_->scheduler_;
     lock.unlock();
-    ioc.post_deferred_completions(completed_ops);
+    sched.post_deferred_completions(completed_ops);
   }
 }
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_static_mutex.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_static_mutex.ipp
index df51f37..6856cc9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_static_mutex.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_static_mutex.ipp
@@ -2,7 +2,7 @@
 // detail/impl/win_static_mutex.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_thread.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_thread.ipp
index 20266f0..929b7be 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_thread.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_thread.ipp
@@ -2,7 +2,7 @@
 // detail/impl/win_thread.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_tss_ptr.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_tss_ptr.ipp
index 16e25d3..96f0693 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_tss_ptr.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/win_tss_ptr.ipp
@@ -2,7 +2,7 @@
 // detail/impl/win_tss_ptr.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/winrt_ssocket_service_base.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/winrt_ssocket_service_base.ipp
index ea815f1..b07d530 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/winrt_ssocket_service_base.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/winrt_ssocket_service_base.ipp
@@ -2,7 +2,7 @@
 // detail/impl/winrt_ssocket_service_base.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -30,9 +30,9 @@ namespace asio {
 namespace detail {
 
 winrt_ssocket_service_base::winrt_ssocket_service_base(
-    asio::io_context& io_context)
-  : io_context_(use_service<io_context_impl>(io_context)),
-    async_manager_(use_service<winrt_async_manager>(io_context)),
+    execution_context& context)
+  : scheduler_(use_service<scheduler_impl>(context)),
+    async_manager_(use_service<winrt_async_manager>(context)),
     mutex_(),
     impl_list_(0)
 {
@@ -398,7 +398,7 @@ void winrt_ssocket_service_base::start_connect_op(
   if (!is_open(impl))
   {
     op->ec_ = asio::error::bad_descriptor;
-    io_context_.post_immediate_completion(op, is_continuation);
+    scheduler_.post_immediate_completion(op, is_continuation);
     return;
   }
 
@@ -427,7 +427,7 @@ void winrt_ssocket_service_base::start_connect_op(
 
   if (op->ec_)
   {
-    io_context_.post_immediate_completion(op, is_continuation);
+    scheduler_.post_immediate_completion(op, is_continuation);
     return;
   }
 
@@ -442,7 +442,7 @@ void winrt_ssocket_service_base::start_connect_op(
   {
     op->ec_ = asio::error_code(
         e->HResult, asio::system_category());
-    io_context_.post_immediate_completion(op, is_continuation);
+    scheduler_.post_immediate_completion(op, is_continuation);
   }
 }
 
@@ -493,14 +493,14 @@ void winrt_ssocket_service_base::start_send_op(
   if (flags)
   {
     op->ec_ = asio::error::operation_not_supported;
-    io_context_.post_immediate_completion(op, is_continuation);
+    scheduler_.post_immediate_completion(op, is_continuation);
     return;
   }
 
   if (!is_open(impl))
   {
     op->ec_ = asio::error::bad_descriptor;
-    io_context_.post_immediate_completion(op, is_continuation);
+    scheduler_.post_immediate_completion(op, is_continuation);
     return;
   }
 
@@ -511,7 +511,7 @@ void winrt_ssocket_service_base::start_send_op(
 
     if (bufs.all_empty())
     {
-      io_context_.post_immediate_completion(op, is_continuation);
+      scheduler_.post_immediate_completion(op, is_continuation);
       return;
     }
 
@@ -522,7 +522,7 @@ void winrt_ssocket_service_base::start_send_op(
   {
     op->ec_ = asio::error_code(e->HResult,
         asio::system_category());
-    io_context_.post_immediate_completion(op, is_continuation);
+    scheduler_.post_immediate_completion(op, is_continuation);
   }
 }
 
@@ -584,14 +584,14 @@ void winrt_ssocket_service_base::start_receive_op(
   if (flags)
   {
     op->ec_ = asio::error::operation_not_supported;
-    io_context_.post_immediate_completion(op, is_continuation);
+    scheduler_.post_immediate_completion(op, is_continuation);
     return;
   }
 
   if (!is_open(impl))
   {
     op->ec_ = asio::error::bad_descriptor;
-    io_context_.post_immediate_completion(op, is_continuation);
+    scheduler_.post_immediate_completion(op, is_continuation);
     return;
   }
 
@@ -602,7 +602,7 @@ void winrt_ssocket_service_base::start_receive_op(
 
     if (bufs.all_empty())
     {
-      io_context_.post_immediate_completion(op, is_continuation);
+      scheduler_.post_immediate_completion(op, is_continuation);
       return;
     }
 
@@ -615,7 +615,7 @@ void winrt_ssocket_service_base::start_receive_op(
   {
     op->ec_ = asio::error_code(e->HResult,
         asio::system_category());
-    io_context_.post_immediate_completion(op, is_continuation);
+    scheduler_.post_immediate_completion(op, is_continuation);
   }
 }
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/winrt_timer_scheduler.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/winrt_timer_scheduler.hpp
index 47fd77c..9805e2f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/winrt_timer_scheduler.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/winrt_timer_scheduler.hpp
@@ -2,7 +2,7 @@
 // detail/impl/winrt_timer_scheduler.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -46,12 +46,12 @@ void winrt_timer_scheduler::schedule_timer(timer_queue<Time_Traits>& queue,
 
   if (shutdown_)
   {
-    io_context_.post_immediate_completion(op, false);
+    scheduler_.post_immediate_completion(op, false);
     return;
   }
 
   bool earliest = queue.enqueue_timer(time, timer, op);
-  io_context_.work_started();
+  scheduler_.work_started();
   if (earliest)
     event_.signal(lock);
 }
@@ -65,7 +65,7 @@ std::size_t winrt_timer_scheduler::cancel_timer(timer_queue<Time_Traits>& queue,
   op_queue<operation> ops;
   std::size_t n = queue.cancel_timer(timer, ops, max_cancelled);
   lock.unlock();
-  io_context_.post_deferred_completions(ops);
+  scheduler_.post_deferred_completions(ops);
   return n;
 }
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/winrt_timer_scheduler.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/winrt_timer_scheduler.ipp
index d0b06b0..717cf4e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/winrt_timer_scheduler.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/winrt_timer_scheduler.ipp
@@ -2,7 +2,7 @@
 // detail/impl/winrt_timer_scheduler.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -27,10 +27,9 @@
 namespace asio {
 namespace detail {
 
-winrt_timer_scheduler::winrt_timer_scheduler(
-    asio::io_context& io_context)
-  : asio::detail::service_base<winrt_timer_scheduler>(io_context),
-    io_context_(use_service<io_context_impl>(io_context)),
+winrt_timer_scheduler::winrt_timer_scheduler(execution_context& context)
+  : execution_context_service_base<winrt_timer_scheduler>(context),
+    scheduler_(use_service<scheduler_impl>(context)),
     mutex_(),
     event_(),
     timer_queues_(),
@@ -64,10 +63,10 @@ void winrt_timer_scheduler::shutdown()
 
   op_queue<operation> ops;
   timer_queues_.get_all_timers(ops);
-  io_context_.abandon_operations(ops);
+  scheduler_.abandon_operations(ops);
 }
 
-void winrt_timer_scheduler::notify_fork(asio::io_context::fork_event)
+void winrt_timer_scheduler::notify_fork(execution_context::fork_event)
 {
 }
 
@@ -89,7 +88,7 @@ void winrt_timer_scheduler::run_thread()
     if (!ops.empty())
     {
       lock.unlock();
-      io_context_.post_deferred_completions(ops);
+      scheduler_.post_deferred_completions(ops);
       lock.lock();
     }
   }
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/winsock_init.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/winsock_init.ipp
index ea34038..d26d0d8 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/winsock_init.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/impl/winsock_init.ipp
@@ -2,7 +2,7 @@
 // detail/impl/winsock_init.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/io_control.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/io_control.hpp
index 6d9fa2d..95b5fed 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/io_control.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/io_control.hpp
@@ -2,7 +2,7 @@
 // detail/io_control.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/io_object_executor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/io_object_executor.hpp
new file mode 100644
index 0000000..24745c2
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/io_object_executor.hpp
@@ -0,0 +1,160 @@
+//
+// io_object_executor.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_IO_OBJECT_EXECUTOR_HPP
+#define ASIO_DETAIL_IO_OBJECT_EXECUTOR_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/detail/handler_invoke_helpers.hpp"
+#include "asio/detail/type_traits.hpp"
+#include "asio/io_context.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace detail {
+
+// Wrap the (potentially polymorphic) executor so that we can bypass it when
+// dispatching on a target executor that has a native I/O implementation.
+template <typename Executor>
+class io_object_executor
+{
+public:
+  io_object_executor(const Executor& ex,
+      bool native_implementation) ASIO_NOEXCEPT
+    : executor_(ex),
+      has_native_impl_(native_implementation)
+  {
+  }
+
+  io_object_executor(const io_object_executor& other) ASIO_NOEXCEPT
+    : executor_(other.executor_),
+      has_native_impl_(other.has_native_impl_)
+  {
+  }
+
+  template <typename Executor1>
+  io_object_executor(
+      const io_object_executor<Executor1>& other) ASIO_NOEXCEPT
+    : executor_(other.inner_executor()),
+      has_native_impl_(other.has_native_implementation())
+  {
+  }
+
+#if defined(ASIO_HAS_MOVE)
+  io_object_executor(io_object_executor&& other) ASIO_NOEXCEPT
+    : executor_(ASIO_MOVE_CAST(Executor)(other.executor_)),
+      has_native_impl_(other.has_native_impl_)
+  {
+  }
+#endif // defined(ASIO_HAS_MOVE)
+
+  const Executor& inner_executor() const ASIO_NOEXCEPT
+  {
+    return executor_;
+  }
+
+  bool has_native_implementation() const ASIO_NOEXCEPT
+  {
+    return has_native_impl_;
+  }
+
+  execution_context& context() const ASIO_NOEXCEPT
+  {
+    return executor_.context();
+  }
+
+  void on_work_started() const ASIO_NOEXCEPT
+  {
+    if (is_same<Executor, io_context::executor_type>::value
+        || has_native_impl_)
+    {
+      // When using a native implementation, work is already counted by the
+      // execution context.
+    }
+    else
+    {
+      executor_.on_work_started();
+    }
+  }
+
+  void on_work_finished() const ASIO_NOEXCEPT
+  {
+    if (is_same<Executor, io_context::executor_type>::value
+        || has_native_impl_)
+    {
+      // When using a native implementation, work is already counted by the
+      // execution context.
+    }
+    else
+    {
+      executor_.on_work_finished();
+    }
+  }
+
+  template <typename F, typename A>
+  void dispatch(ASIO_MOVE_ARG(F) f, const A& a) const
+  {
+    if (is_same<Executor, io_context::executor_type>::value
+        || has_native_impl_)
+    {
+      // When using a native implementation, I/O completion handlers are
+      // already dispatched according to the execution context's executor's
+      // rules. We can call the function directly.
+      typename decay<F>::type function(ASIO_MOVE_CAST(F)(f));
+      asio_handler_invoke_helpers::invoke(function, function);
+    }
+    else
+    {
+      executor_.dispatch(ASIO_MOVE_CAST(F)(f), a);
+    }
+  }
+
+  template <typename F, typename A>
+  void post(ASIO_MOVE_ARG(F) f, const A& a) const
+  {
+    executor_.post(ASIO_MOVE_CAST(F)(f), a);
+  }
+
+  template <typename F, typename A>
+  void defer(ASIO_MOVE_ARG(F) f, const A& a) const
+  {
+    executor_.defer(ASIO_MOVE_CAST(F)(f), a);
+  }
+
+  friend bool operator==(const io_object_executor& a,
+      const io_object_executor& b) ASIO_NOEXCEPT
+  {
+    return a.executor_ == b.executor_
+      && a.has_native_impl_ == b.has_native_impl_;
+  }
+
+  friend bool operator!=(const io_object_executor& a,
+      const io_object_executor& b) ASIO_NOEXCEPT
+  {
+    return a.executor_ != b.executor_
+      || a.has_native_impl_ != b.has_native_impl_;
+  }
+
+private:
+  Executor executor_;
+  const bool has_native_impl_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_IO_OBJECT_EXECUTOR_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/io_object_impl.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/io_object_impl.hpp
new file mode 100644
index 0000000..4280fb8
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/io_object_impl.hpp
@@ -0,0 +1,170 @@
+//
+// io_object_impl.hpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_IO_OBJECT_IMPL_HPP
+#define ASIO_DETAIL_IO_OBJECT_IMPL_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <new>
+#include "asio/detail/config.hpp"
+#include "asio/detail/io_object_executor.hpp"
+#include "asio/detail/type_traits.hpp"
+#include "asio/io_context.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace detail {
+
+template <typename IoObjectService,
+    typename Executor = io_context::executor_type>
+class io_object_impl
+{
+public:
+  // The type of the service that will be used to provide I/O operations.
+  typedef IoObjectService service_type;
+
+  // The underlying implementation type of I/O object.
+  typedef typename service_type::implementation_type implementation_type;
+
+  // The type of the executor associated with the object.
+  typedef Executor executor_type;
+
+  // The type of executor to be used when implementing asynchronous operations.
+  typedef io_object_executor<Executor> implementation_executor_type;
+
+  // Construct an I/O object using an executor.
+  explicit io_object_impl(const executor_type& ex)
+    : service_(&asio::use_service<IoObjectService>(ex.context())),
+      implementation_executor_(ex,
+        is_same<Executor, io_context::executor_type>::value)
+  {
+    service_->construct(implementation_);
+  }
+
+  // Construct an I/O object using an execution context.
+  template <typename ExecutionContext>
+  explicit io_object_impl(ExecutionContext& context,
+      typename enable_if<is_convertible<
+        ExecutionContext&, execution_context&>::value>::type* = 0)
+    : service_(&asio::use_service<IoObjectService>(context)),
+      implementation_executor_(context.get_executor(),
+        is_same<ExecutionContext, io_context>::value)
+  {
+    service_->construct(implementation_);
+  }
+
+#if defined(ASIO_HAS_MOVE)
+  // Move-construct an I/O object.
+  io_object_impl(io_object_impl&& other)
+    : service_(&other.get_service()),
+      implementation_executor_(
+        ASIO_MOVE_CAST(implementation_executor_type)(
+          other.implementation_executor_))
+  {
+    service_->move_construct(implementation_, other.implementation_);
+  }
+
+  // Perform a converting move-construction of an I/O object.
+  template <typename IoObjectService1, typename Executor1>
+  io_object_impl(io_object_impl<IoObjectService1, Executor1>&& other)
+    : service_(&asio::use_service<IoObjectService>(
+            other.get_implementation_executor().context())),
+      implementation_executor_(other.get_implementation_executor())
+  {
+    service_->converting_move_construct(implementation_,
+        other.get_service(), other.get_implementation());
+  }
+#endif // defined(ASIO_HAS_MOVE)
+
+  // Destructor.
+  ~io_object_impl()
+  {
+    service_->destroy(implementation_);
+  }
+
+#if defined(ASIO_HAS_MOVE)
+  // Move-assign an I/O object.
+  io_object_impl& operator=(io_object_impl&& other)
+  {
+    if (this != &other)
+    {
+      service_->move_assign(implementation_,
+          *other.service_, other.implementation_);
+      implementation_executor_.~implementation_executor_type();
+      new (&implementation_executor_) implementation_executor_type(
+          std::move(other.implementation_executor_));
+      service_ = other.service_;
+    }
+    return *this;
+  }
+#endif // defined(ASIO_HAS_MOVE)
+
+  // Get the executor associated with the object.
+  executor_type get_executor() ASIO_NOEXCEPT
+  {
+    return implementation_executor_.inner_executor();
+  }
+
+  // Get the executor to be used when implementing asynchronous operations.
+  const implementation_executor_type& get_implementation_executor()
+    ASIO_NOEXCEPT
+  {
+    return implementation_executor_;
+  }
+
+  // Get the service associated with the I/O object.
+  service_type& get_service()
+  {
+    return *service_;
+  }
+
+  // Get the service associated with the I/O object.
+  const service_type& get_service() const
+  {
+    return *service_;
+  }
+
+  // Get the underlying implementation of the I/O object.
+  implementation_type& get_implementation()
+  {
+    return implementation_;
+  }
+
+  // Get the underlying implementation of the I/O object.
+  const implementation_type& get_implementation() const
+  {
+    return implementation_;
+  }
+
+private:
+  // Disallow copying and copy assignment.
+  io_object_impl(const io_object_impl&);
+  io_object_impl& operator=(const io_object_impl&);
+
+  // The service associated with the I/O object.
+  service_type* service_;
+
+  // The underlying implementation of the I/O object.
+  implementation_type implementation_;
+
+  // The associated executor.
+  implementation_executor_type implementation_executor_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_IO_OBJECT_IMPL_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/is_buffer_sequence.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/is_buffer_sequence.hpp
index bd6d7c1..937d222 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/is_buffer_sequence.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/is_buffer_sequence.hpp
@@ -2,7 +2,7 @@
 // detail/is_buffer_sequence.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -38,6 +38,8 @@ struct buffer_sequence_memfns_base
   void prepare();
   void commit();
   void consume();
+  void grow();
+  void shrink();
 };
 
 template <typename T>
@@ -52,23 +54,47 @@ struct buffer_sequence_memfns_check
 };
 
 template <typename>
-char (&begin_memfn_helper(...))[2];
+char (&buffer_sequence_begin_helper(...))[2];
+
+#if defined(ASIO_HAS_DECLTYPE)
 
 template <typename T>
-char begin_memfn_helper(
+char buffer_sequence_begin_helper(T* t,
+    typename enable_if<!is_same<
+      decltype(asio::buffer_sequence_begin(*t)),
+        void>::value>::type*);
+
+#else // defined(ASIO_HAS_DECLTYPE)
+
+template <typename T>
+char buffer_sequence_begin_helper(T* t,
     buffer_sequence_memfns_check<
       void (buffer_sequence_memfns_base::*)(),
       &buffer_sequence_memfns_derived<T>::begin>*);
 
+#endif // defined(ASIO_HAS_DECLTYPE)
+
 template <typename>
-char (&end_memfn_helper(...))[2];
+char (&buffer_sequence_end_helper(...))[2];
+
+#if defined(ASIO_HAS_DECLTYPE)
 
 template <typename T>
-char end_memfn_helper(
+char buffer_sequence_end_helper(T* t,
+    typename enable_if<!is_same<
+      decltype(asio::buffer_sequence_end(*t)),
+        void>::value>::type*);
+
+#else // defined(ASIO_HAS_DECLTYPE)
+
+template <typename T>
+char buffer_sequence_end_helper(T* t,
     buffer_sequence_memfns_check<
       void (buffer_sequence_memfns_base::*)(),
       &buffer_sequence_memfns_derived<T>::end>*);
 
+#endif // defined(ASIO_HAS_DECLTYPE)
+
 template <typename>
 char (&size_memfn_helper(...))[2];
 
@@ -112,7 +138,7 @@ template <typename T>
 char prepare_memfn_helper(
     buffer_sequence_memfns_check<
       void (buffer_sequence_memfns_base::*)(),
-      &buffer_sequence_memfns_derived<T>::data>*);
+      &buffer_sequence_memfns_derived<T>::prepare>*);
 
 template <typename>
 char (&commit_memfn_helper(...))[2];
@@ -132,26 +158,44 @@ char consume_memfn_helper(
       void (buffer_sequence_memfns_base::*)(),
       &buffer_sequence_memfns_derived<T>::consume>*);
 
-template <typename, typename>
-char (&buffer_element_type_helper(...))[2];
+template <typename>
+char (&grow_memfn_helper(...))[2];
 
-#if defined(ASIO_HAS_DECL_TYPE)
+template <typename T>
+char grow_memfn_helper(
+    buffer_sequence_memfns_check<
+      void (buffer_sequence_memfns_base::*)(),
+      &buffer_sequence_memfns_derived<T>::grow>*);
+
+template <typename>
+char (&shrink_memfn_helper(...))[2];
+
+template <typename T>
+char shrink_memfn_helper(
+    buffer_sequence_memfns_check<
+      void (buffer_sequence_memfns_base::*)(),
+      &buffer_sequence_memfns_derived<T>::shrink>*);
+
+template <typename, typename>
+char (&buffer_sequence_element_type_helper(...))[2];
+
+#if defined(ASIO_HAS_DECLTYPE)
 
 template <typename T, typename Buffer>
-char buffer_element_type_helper(T* t,
+char buffer_sequence_element_type_helper(T* t,
     typename enable_if<is_convertible<
-      decltype(*buffer_sequence_begin(*t)),
+      decltype(*asio::buffer_sequence_begin(*t)),
         Buffer>::value>::type*);
 
-#else // defined(ASIO_HAS_DECL_TYPE)
+#else // defined(ASIO_HAS_DECLTYPE)
 
 template <typename T, typename Buffer>
-char buffer_element_type_helper(
+char buffer_sequence_element_type_helper(
     typename T::const_iterator*,
     typename enable_if<is_convertible<
       typename T::value_type, Buffer>::value>::type*);
 
-#endif // defined(ASIO_HAS_DECL_TYPE)
+#endif // defined(ASIO_HAS_DECLTYPE)
 
 template <typename>
 char (&const_buffers_type_typedef_helper(...))[2];
@@ -170,9 +214,9 @@ char mutable_buffers_type_typedef_helper(
 template <typename T, typename Buffer>
 struct is_buffer_sequence_class
   : integral_constant<bool,
-      sizeof(begin_memfn_helper<T>(0)) != 1 &&
-      sizeof(end_memfn_helper<T>(0)) != 1 &&
-      sizeof(buffer_element_type_helper<T, Buffer>(0, 0)) == 1>
+      sizeof(buffer_sequence_begin_helper<T>(0)) != 1 &&
+      sizeof(buffer_sequence_end_helper<T>(0)) != 1 &&
+      sizeof(buffer_sequence_element_type_helper<T, Buffer>(0, 0)) == 1>
 {
 };
 
@@ -209,7 +253,7 @@ struct is_buffer_sequence<const_buffer, mutable_buffer>
 };
 
 template <typename T>
-struct is_dynamic_buffer_class
+struct is_dynamic_buffer_class_v1
   : integral_constant<bool,
       sizeof(size_memfn_helper<T>(0)) != 1 &&
       sizeof(max_size_memfn_helper<T>(0)) != 1 &&
@@ -224,9 +268,32 @@ struct is_dynamic_buffer_class
 };
 
 template <typename T>
-struct is_dynamic_buffer
+struct is_dynamic_buffer_v1
   : conditional<is_class<T>::value,
-      is_dynamic_buffer_class<T>,
+      is_dynamic_buffer_class_v1<T>,
+      false_type>::type
+{
+};
+
+template <typename T>
+struct is_dynamic_buffer_class_v2
+  : integral_constant<bool,
+      sizeof(size_memfn_helper<T>(0)) != 1 &&
+      sizeof(max_size_memfn_helper<T>(0)) != 1 &&
+      sizeof(capacity_memfn_helper<T>(0)) != 1 &&
+      sizeof(data_memfn_helper<T>(0)) != 1 &&
+      sizeof(consume_memfn_helper<T>(0)) != 1 &&
+      sizeof(grow_memfn_helper<T>(0)) != 1 &&
+      sizeof(shrink_memfn_helper<T>(0)) != 1 &&
+      sizeof(const_buffers_type_typedef_helper<T>(0)) == 1 &&
+      sizeof(mutable_buffers_type_typedef_helper<T>(0)) == 1>
+{
+};
+
+template <typename T>
+struct is_dynamic_buffer_v2
+  : conditional<is_class<T>::value,
+      is_dynamic_buffer_class_v2<T>,
       false_type>::type
 {
 };
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/is_executor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/is_executor.hpp
index a1c5a53..ee11b37 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/is_executor.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/is_executor.hpp
@@ -2,7 +2,7 @@
 // detail/is_executor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/keyword_tss_ptr.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/keyword_tss_ptr.hpp
index a8372a7..8812e60 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/keyword_tss_ptr.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/keyword_tss_ptr.hpp
@@ -2,7 +2,7 @@
 // detail/keyword_tss_ptr.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/kqueue_reactor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/kqueue_reactor.hpp
index 3596a80..fb38115 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/kqueue_reactor.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/kqueue_reactor.hpp
@@ -2,7 +2,7 @@
 // detail/kqueue_reactor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2005 Stefan Arentz (stefan at soze dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/local_free_on_block_exit.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/local_free_on_block_exit.hpp
index 0ab6453..2b601b9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/local_free_on_block_exit.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/local_free_on_block_exit.hpp
@@ -2,7 +2,7 @@
 // detail/local_free_on_block_exit.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/macos_fenced_block.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/macos_fenced_block.hpp
index 584dcbe..f123384 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/macos_fenced_block.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/macos_fenced_block.hpp
@@ -2,7 +2,7 @@
 // detail/macos_fenced_block.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/memory.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/memory.hpp
index 64fc5d0..a11ceb9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/memory.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/memory.hpp
@@ -2,7 +2,7 @@
 // detail/memory.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/mutex.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/mutex.hpp
index e1fae1c..4e01cca 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/mutex.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/mutex.hpp
@@ -2,7 +2,7 @@
 // detail/mutex.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/non_const_lvalue.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/non_const_lvalue.hpp
new file mode 100644
index 0000000..6d9afc8
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/non_const_lvalue.hpp
@@ -0,0 +1,54 @@
+//
+// detail/non_const_lvalue.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_NON_CONST_LVALUE_HPP
+#define ASIO_DETAIL_NON_CONST_LVALUE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/detail/type_traits.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace detail {
+
+template <typename T>
+struct non_const_lvalue
+{
+#if defined(ASIO_HAS_MOVE)
+  explicit non_const_lvalue(T& t)
+    : value(static_cast<typename conditional<
+        is_same<T, typename decay<T>::type>::value,
+          typename decay<T>::type&, T&&>::type>(t))
+  {
+  }
+
+  typename conditional<is_same<T, typename decay<T>::type>::value,
+      typename decay<T>::type&, typename decay<T>::type>::type value;
+#else // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+  explicit non_const_lvalue(const typename decay<T>::type& t)
+    : value(t)
+  {
+  }
+
+  typename decay<T>::type value;
+#endif // defined(ASIO_HAS_MOVE)
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_NON_CONST_LVALUE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/noncopyable.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/noncopyable.hpp
index 18ed35b..2266e67 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/noncopyable.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/noncopyable.hpp
@@ -2,7 +2,7 @@
 // detail/noncopyable.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_event.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_event.hpp
index 0bd107d..507de94 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_event.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_event.hpp
@@ -2,7 +2,7 @@
 // detail/null_event.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_fenced_block.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_fenced_block.hpp
index 3c38fd5..b136ea3 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_fenced_block.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_fenced_block.hpp
@@ -2,7 +2,7 @@
 // detail/null_fenced_block.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_global.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_global.hpp
index 9126201..1d70bea 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_global.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_global.hpp
@@ -2,7 +2,7 @@
 // detail/null_global.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_mutex.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_mutex.hpp
index fde34a6..8f9666b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_mutex.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_mutex.hpp
@@ -2,7 +2,7 @@
 // detail/null_mutex.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_reactor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_reactor.hpp
index 79f015b..07b2b96 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_reactor.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_reactor.hpp
@@ -2,7 +2,7 @@
 // detail/null_reactor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_signal_blocker.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_signal_blocker.hpp
index 5954743..f2f2ff2 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_signal_blocker.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_signal_blocker.hpp
@@ -2,7 +2,7 @@
 // detail/null_signal_blocker.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_socket_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_socket_service.hpp
index ef814ef..752819f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_socket_service.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_socket_service.hpp
@@ -2,7 +2,7 @@
 // detail/null_socket_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -21,7 +21,8 @@
 
 #include "asio/buffer.hpp"
 #include "asio/error.hpp"
-#include "asio/io_context.hpp"
+#include "asio/execution_context.hpp"
+#include "asio/post.hpp"
 #include "asio/socket_base.hpp"
 #include "asio/detail/bind_handler.hpp"
 
@@ -32,7 +33,7 @@ namespace detail {
 
 template <typename Protocol>
 class null_socket_service :
-  public service_base<null_socket_service<Protocol> >
+  public execution_context_service_base<null_socket_service<Protocol> >
 {
 public:
   // The protocol type.
@@ -50,9 +51,8 @@ public:
   };
 
   // Constructor.
-  null_socket_service(asio::io_context& io_context)
-    : service_base<null_socket_service<Protocol> >(io_context),
-      io_context_(io_context)
+  null_socket_service(execution_context& context)
+    : execution_context_service_base<null_socket_service<Protocol> >(context)
   {
   }
 
@@ -272,23 +272,25 @@ public:
 
   // Start an asynchronous send. The data being sent must be valid for the
   // lifetime of the asynchronous operation.
-  template <typename ConstBufferSequence, typename Handler>
+  template <typename ConstBufferSequence, typename Handler, typename IoExecutor>
   void async_send(implementation_type&, const ConstBufferSequence&,
-      socket_base::message_flags, Handler& handler)
+      socket_base::message_flags, Handler& handler, const IoExecutor& io_ex)
   {
     asio::error_code ec = asio::error::operation_not_supported;
     const std::size_t bytes_transferred = 0;
-    io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
+    asio::post(io_ex, detail::bind_handler(
+          handler, ec, bytes_transferred));
   }
 
   // Start an asynchronous wait until data can be sent without blocking.
-  template <typename Handler>
+  template <typename Handler, typename IoExecutor>
   void async_send(implementation_type&, const null_buffers&,
-      socket_base::message_flags, Handler& handler)
+      socket_base::message_flags, Handler& handler, const IoExecutor& io_ex)
   {
     asio::error_code ec = asio::error::operation_not_supported;
     const std::size_t bytes_transferred = 0;
-    io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
+    asio::post(io_ex, detail::bind_handler(
+          handler, ec, bytes_transferred));
   }
 
   // Receive some data from the peer. Returns the number of bytes received.
@@ -310,23 +312,26 @@ public:
 
   // Start an asynchronous receive. The buffer for the data being received
   // must be valid for the lifetime of the asynchronous operation.
-  template <typename MutableBufferSequence, typename Handler>
+  template <typename MutableBufferSequence,
+      typename Handler, typename IoExecutor>
   void async_receive(implementation_type&, const MutableBufferSequence&,
-      socket_base::message_flags, Handler& handler)
+      socket_base::message_flags, Handler& handler, const IoExecutor& io_ex)
   {
     asio::error_code ec = asio::error::operation_not_supported;
     const std::size_t bytes_transferred = 0;
-    io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
+    asio::post(io_ex, detail::bind_handler(
+          handler, ec, bytes_transferred));
   }
 
   // Wait until data can be received without blocking.
-  template <typename Handler>
+  template <typename Handler, typename IoExecutor>
   void async_receive(implementation_type&, const null_buffers&,
-      socket_base::message_flags, Handler& handler)
+      socket_base::message_flags, Handler& handler, const IoExecutor& io_ex)
   {
     asio::error_code ec = asio::error::operation_not_supported;
     const std::size_t bytes_transferred = 0;
-    io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
+    asio::post(io_ex, detail::bind_handler(
+          handler, ec, bytes_transferred));
   }
 
   // Receive some data with associated flags. Returns the number of bytes
@@ -351,25 +356,28 @@ public:
 
   // Start an asynchronous receive. The buffer for the data being received
   // must be valid for the lifetime of the asynchronous operation.
-  template <typename MutableBufferSequence, typename Handler>
+  template <typename MutableBufferSequence,
+      typename Handler, typename IoExecutor>
   void async_receive_with_flags(implementation_type&,
       const MutableBufferSequence&, socket_base::message_flags,
-      socket_base::message_flags&, Handler& handler)
+      socket_base::message_flags&, Handler& handler, const IoExecutor& io_ex)
   {
     asio::error_code ec = asio::error::operation_not_supported;
     const std::size_t bytes_transferred = 0;
-    io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
+    asio::post(io_ex, detail::bind_handler(
+          handler, ec, bytes_transferred));
   }
 
   // Wait until data can be received without blocking.
-  template <typename Handler>
-  void async_receive_with_flags(implementation_type&,
-      const null_buffers&, socket_base::message_flags,
-      socket_base::message_flags&, Handler& handler)
+  template <typename Handler, typename IoExecutor>
+  void async_receive_with_flags(implementation_type&, const null_buffers&,
+      socket_base::message_flags, socket_base::message_flags&,
+      Handler& handler, const IoExecutor& io_ex)
   {
     asio::error_code ec = asio::error::operation_not_supported;
     const std::size_t bytes_transferred = 0;
-    io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
+    asio::post(io_ex, detail::bind_handler(
+          handler, ec, bytes_transferred));
   }
 
   // Send a datagram to the specified endpoint. Returns the number of bytes
@@ -394,24 +402,27 @@ public:
 
   // Start an asynchronous send. The data being sent must be valid for the
   // lifetime of the asynchronous operation.
-  template <typename ConstBufferSequence, typename Handler>
+  template <typename ConstBufferSequence, typename Handler, typename IoExecutor>
   void async_send_to(implementation_type&, const ConstBufferSequence&,
       const endpoint_type&, socket_base::message_flags,
       Handler& handler)
   {
     asio::error_code ec = asio::error::operation_not_supported;
     const std::size_t bytes_transferred = 0;
-    io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
+    asio::post(io_ex, detail::bind_handler(
+          handler, ec, bytes_transferred));
   }
 
   // Start an asynchronous wait until data can be sent without blocking.
-  template <typename Handler>
+  template <typename Handler, typename IoExecutor>
   void async_send_to(implementation_type&, const null_buffers&,
-      const endpoint_type&, socket_base::message_flags, Handler& handler)
+      const endpoint_type&, socket_base::message_flags,
+      Handler& handler, const IoExecutor& io_ex)
   {
     asio::error_code ec = asio::error::operation_not_supported;
     const std::size_t bytes_transferred = 0;
-    io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
+    asio::post(io_ex, detail::bind_handler(
+          handler, ec, bytes_transferred));
   }
 
   // Receive a datagram with the endpoint of the sender. Returns the number of
@@ -437,25 +448,28 @@ public:
   // Start an asynchronous receive. The buffer for the data being received and
   // the sender_endpoint object must both be valid for the lifetime of the
   // asynchronous operation.
-  template <typename MutableBufferSequence, typename Handler>
-  void async_receive_from(implementation_type&,
-      const MutableBufferSequence&, endpoint_type&,
-      socket_base::message_flags, Handler& handler)
+  template <typename MutableBufferSequence,
+      typename Handler, typename IoExecutor>
+  void async_receive_from(implementation_type&, const MutableBufferSequence&,
+      endpoint_type&, socket_base::message_flags, Handler& handler,
+      const IoExecutor& io_ex)
   {
     asio::error_code ec = asio::error::operation_not_supported;
     const std::size_t bytes_transferred = 0;
-    io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
+    asio::post(io_ex, detail::bind_handler(
+          handler, ec, bytes_transferred));
   }
 
   // Wait until data can be received without blocking.
-  template <typename Handler>
-  void async_receive_from(implementation_type&,
-      const null_buffers&, endpoint_type&,
-      socket_base::message_flags, Handler& handler)
+  template <typename Handler, typename IoExecutor>
+  void async_receive_from(implementation_type&, const null_buffers&,
+      endpoint_type&, socket_base::message_flags, Handler& handler,
+      const IoExecutor& io_ex)
   {
     asio::error_code ec = asio::error::operation_not_supported;
     const std::size_t bytes_transferred = 0;
-    io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
+    asio::post(io_ex, detail::bind_handler(
+          handler, ec, bytes_transferred));
   }
 
   // Accept a new connection.
@@ -469,12 +483,12 @@ public:
 
   // Start an asynchronous accept. The peer and peer_endpoint objects
   // must be valid until the accept's handler is invoked.
-  template <typename Socket, typename Handler>
-  void async_accept(implementation_type&, Socket&,
-      endpoint_type*, Handler& handler)
+  template <typename Socket, typename Handler, typename IoExecutor>
+  void async_accept(implementation_type&, Socket&, endpoint_type*,
+      Handler& handler, const IoExecutor& io_ex)
   {
     asio::error_code ec = asio::error::operation_not_supported;
-    io_context_.post(detail::bind_handler(handler, ec));
+    asio::post(io_ex, detail::bind_handler(handler, ec));
   }
 
   // Connect the socket to the specified endpoint.
@@ -486,16 +500,13 @@ public:
   }
 
   // Start an asynchronous connect.
-  template <typename Handler>
-  void async_connect(implementation_type&,
-      const endpoint_type&, Handler& handler)
+  template <typename Handler, typename IoExecutor>
+  void async_connect(implementation_type&, const endpoint_type&,
+      Handler& handler, const IoExecutor& io_ex)
   {
     asio::error_code ec = asio::error::operation_not_supported;
-    io_context_.post(detail::bind_handler(handler, ec));
+    asio::post(io_ex, detail::bind_handler(handler, ec));
   }
-
-private:
-  asio::io_context& io_context_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_static_mutex.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_static_mutex.hpp
index 376ab6c..231cce3 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_static_mutex.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_static_mutex.hpp
@@ -2,7 +2,7 @@
 // detail/null_static_mutex.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_thread.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_thread.hpp
index 8152604..3a4e2c0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_thread.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_thread.hpp
@@ -2,7 +2,7 @@
 // detail/null_thread.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_tss_ptr.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_tss_ptr.hpp
index 3819376..9257c3c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_tss_ptr.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/null_tss_ptr.hpp
@@ -2,7 +2,7 @@
 // detail/null_tss_ptr.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/object_pool.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/object_pool.hpp
index 34542ed..3fc9caf 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/object_pool.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/object_pool.hpp
@@ -2,7 +2,7 @@
 // detail/object_pool.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/old_win_sdk_compat.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/old_win_sdk_compat.hpp
index 90010e9..b0cd2cb 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/old_win_sdk_compat.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/old_win_sdk_compat.hpp
@@ -2,7 +2,7 @@
 // detail/old_win_sdk_compat.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/op_queue.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/op_queue.hpp
index 7f48f5b..de059eb 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/op_queue.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/op_queue.hpp
@@ -2,7 +2,7 @@
 // detail/op_queue.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/operation.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/operation.hpp
index 6514d9a..aa4064b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/operation.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/operation.hpp
@@ -2,7 +2,7 @@
 // detail/operation.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/pipe_select_interrupter.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/pipe_select_interrupter.hpp
index 1f57fc0..40173ba 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/pipe_select_interrupter.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/pipe_select_interrupter.hpp
@@ -2,7 +2,7 @@
 // detail/pipe_select_interrupter.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/pop_options.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/pop_options.hpp
index 2cf2b6c..7df258d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/pop_options.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/pop_options.hpp
@@ -2,7 +2,7 @@
 // detail/pop_options.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -24,7 +24,9 @@
 // Intel C++
 
 # if (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
-#  pragma GCC visibility pop
+#  if !defined(ASIO_DISABLE_VISIBILITY)
+#   pragma GCC visibility pop
+#  endif // !defined(ASIO_DISABLE_VISIBILITY)
 # endif // (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
 
 #elif defined(__clang__)
@@ -42,7 +44,9 @@
 # endif
 
 # if !defined(_WIN32) && !defined(__WIN32__) && !defined(WIN32)
-#  pragma GCC visibility pop
+#  if !defined(ASIO_DISABLE_VISIBILITY)
+#   pragma GCC visibility pop
+#  endif // !defined(ASIO_DISABLE_VISIBILITY)
 # endif // !defined(_WIN32) && !defined(__WIN32__) && !defined(WIN32)
 
 #elif defined(__GNUC__)
@@ -64,7 +68,9 @@
 # endif
 
 # if (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
-#  pragma GCC visibility pop
+#  if !defined(ASIO_DISABLE_VISIBILITY)
+#   pragma GCC visibility pop
+#  endif // !defined(ASIO_DISABLE_VISIBILITY)
 # endif // (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
 
 # if (__GNUC__ >= 7)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_event.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_event.hpp
index 57acc6d..ea4132e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_event.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_event.hpp
@@ -2,7 +2,7 @@
 // detail/posix_event.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -117,24 +117,27 @@ public:
       state_ += 2;
       timespec ts;
 #if (defined(__MACH__) && defined(__APPLE__)) \
-      || (defined(__ANDROID__) && (__ANDROID_API__ < 21))
+      || (defined(__ANDROID__) && (__ANDROID_API__ < 21) \
+          && defined(HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE))
       ts.tv_sec = usec / 1000000;
       ts.tv_nsec = (usec % 1000000) * 1000;
       ::pthread_cond_timedwait_relative_np(
           &cond_, &lock.mutex().mutex_, &ts); // Ignore EINVAL.
 #else // (defined(__MACH__) && defined(__APPLE__))
-      // || (defined(__ANDROID__) && (__ANDROID_API__ < 21))
+      // || (defined(__ANDROID__) && (__ANDROID_API__ < 21)
+      //     && defined(HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE))
       if (::clock_gettime(CLOCK_MONOTONIC, &ts) == 0)
       {
         ts.tv_sec += usec / 1000000;
-        ts.tv_nsec = (usec % 1000000) * 1000;
+        ts.tv_nsec += (usec % 1000000) * 1000;
         ts.tv_sec += ts.tv_nsec / 1000000000;
         ts.tv_nsec = ts.tv_nsec % 1000000000;
         ::pthread_cond_timedwait(&cond_,
             &lock.mutex().mutex_, &ts); // Ignore EINVAL.
       }
 #endif // (defined(__MACH__) && defined(__APPLE__))
-       // || (defined(__ANDROID__) && (__ANDROID_API__ < 21))
+       // || (defined(__ANDROID__) && (__ANDROID_API__ < 21)
+       //     && defined(HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE))
       state_ -= 2;
     }
     return (state_ & 1) != 0;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_fd_set_adapter.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_fd_set_adapter.hpp
index 9c246df..6ce97c0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_fd_set_adapter.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_fd_set_adapter.hpp
@@ -2,7 +2,7 @@
 // detail/posix_fd_set_adapter.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_global.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_global.hpp
index 152c7c9..352eb22 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_global.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_global.hpp
@@ -2,7 +2,7 @@
 // detail/posix_global.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_mutex.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_mutex.hpp
index cf49731..9849408 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_mutex.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_mutex.hpp
@@ -2,7 +2,7 @@
 // detail/posix_mutex.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_signal_blocker.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_signal_blocker.hpp
index 100a05d..6a94763 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_signal_blocker.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_signal_blocker.hpp
@@ -2,7 +2,7 @@
 // detail/posix_signal_blocker.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_static_mutex.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_static_mutex.hpp
index 4d31663..7ac67ad 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_static_mutex.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_static_mutex.hpp
@@ -2,7 +2,7 @@
 // detail/posix_static_mutex.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_thread.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_thread.hpp
index fba2a2d..02d01b3 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_thread.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_thread.hpp
@@ -2,7 +2,7 @@
 // detail/posix_thread.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_tss_ptr.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_tss_ptr.hpp
index 3fce2c6..f760c59 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_tss_ptr.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/posix_tss_ptr.hpp
@@ -2,7 +2,7 @@
 // detail/posix_tss_ptr.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/push_options.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/push_options.hpp
index a1c811f..fa8725d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/push_options.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/push_options.hpp
@@ -2,7 +2,7 @@
 // detail/push_options.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -24,7 +24,9 @@
 // Intel C++
 
 # if (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
-#  pragma GCC visibility push (default)
+#  if !defined(ASIO_DISABLE_VISIBILITY)
+#   pragma GCC visibility push (default)
+#  endif // !defined(ASIO_DISABLE_VISIBILITY)
 # endif // (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
 
 #elif defined(__clang__)
@@ -44,7 +46,9 @@
 # endif
 
 # if !defined(_WIN32) && !defined(__WIN32__) && !defined(WIN32)
-#  pragma GCC visibility push (default)
+#  if !defined(ASIO_DISABLE_VISIBILITY)
+#   pragma GCC visibility push (default)
+#  endif // !defined(ASIO_DISABLE_VISIBILITY)
 # endif // !defined(_WIN32) && !defined(__WIN32__) && !defined(WIN32)
 
 #elif defined(__GNUC__)
@@ -68,7 +72,9 @@
 # endif
 
 # if (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
-#  pragma GCC visibility push (default)
+#  if !defined(ASIO_DISABLE_VISIBILITY)
+#   pragma GCC visibility push (default)
+#  endif // !defined(ASIO_DISABLE_VISIBILITY)
 # endif // (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
 
 # if (__GNUC__ >= 7)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_descriptor_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_descriptor_service.hpp
index b0b53ee..7894dc7 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_descriptor_service.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_descriptor_service.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_descriptor_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -22,7 +22,7 @@
   && !defined(__CYGWIN__)
 
 #include "asio/buffer.hpp"
-#include "asio/io_context.hpp"
+#include "asio/execution_context.hpp"
 #include "asio/detail/bind_handler.hpp"
 #include "asio/detail/buffer_sequence_adapter.hpp"
 #include "asio/detail/descriptor_ops.hpp"
@@ -42,7 +42,7 @@ namespace asio {
 namespace detail {
 
 class reactive_descriptor_service :
-  public service_base<reactive_descriptor_service>
+  public execution_context_service_base<reactive_descriptor_service>
 {
 public:
   // The native type of a descriptor.
@@ -75,8 +75,7 @@ public:
   };
 
   // Constructor.
-  ASIO_DECL reactive_descriptor_service(
-      asio::io_context& io_context);
+  ASIO_DECL reactive_descriptor_service(execution_context& context);
 
   // Destroy all user-defined handler objects owned by the service.
   ASIO_DECL void shutdown();
@@ -190,18 +189,19 @@ public:
 
   // Asynchronously wait for the descriptor to become ready to read, ready to
   // write, or to have pending error conditions.
-  template <typename Handler>
+  template <typename Handler, typename IoExecutor>
   void async_wait(implementation_type& impl,
-      posix::descriptor_base::wait_type w, Handler& handler)
+      posix::descriptor_base::wait_type w,
+      Handler& handler, const IoExecutor& io_ex)
   {
     bool is_continuation =
       asio_handler_cont_helpers::is_continuation(handler);
 
     // Allocate and construct an operation to wrap the handler.
-    typedef reactive_wait_op<Handler> op;
+    typedef reactive_wait_op<Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(handler);
+    p.p = new (p.v) op(handler, io_ex);
 
     ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "descriptor",
           &impl, impl.descriptor_, "async_wait"));
@@ -253,18 +253,19 @@ public:
 
   // Start an asynchronous write. The data being sent must be valid for the
   // lifetime of the asynchronous operation.
-  template <typename ConstBufferSequence, typename Handler>
+  template <typename ConstBufferSequence, typename Handler, typename IoExecutor>
   void async_write_some(implementation_type& impl,
-      const ConstBufferSequence& buffers, Handler& handler)
+      const ConstBufferSequence& buffers, Handler& handler,
+      const IoExecutor& io_ex)
   {
     bool is_continuation =
       asio_handler_cont_helpers::is_continuation(handler);
 
     // Allocate and construct an operation to wrap the handler.
-    typedef descriptor_write_op<ConstBufferSequence, Handler> op;
+    typedef descriptor_write_op<ConstBufferSequence, Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(impl.descriptor_, buffers, handler);
+    p.p = new (p.v) op(impl.descriptor_, buffers, handler, io_ex);
 
     ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "descriptor",
           &impl, impl.descriptor_, "async_write_some"));
@@ -276,18 +277,18 @@ public:
   }
 
   // Start an asynchronous wait until data can be written without blocking.
-  template <typename Handler>
+  template <typename Handler, typename IoExecutor>
   void async_write_some(implementation_type& impl,
-      const null_buffers&, Handler& handler)
+      const null_buffers&, Handler& handler, const IoExecutor& io_ex)
   {
     bool is_continuation =
       asio_handler_cont_helpers::is_continuation(handler);
 
     // Allocate and construct an operation to wrap the handler.
-    typedef reactive_null_buffers_op<Handler> op;
+    typedef reactive_null_buffers_op<Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(handler);
+    p.p = new (p.v) op(handler, io_ex);
 
     ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "descriptor",
           &impl, impl.descriptor_, "async_write_some(null_buffers)"));
@@ -320,18 +321,20 @@ public:
 
   // Start an asynchronous read. The buffer for the data being read must be
   // valid for the lifetime of the asynchronous operation.
-  template <typename MutableBufferSequence, typename Handler>
+  template <typename MutableBufferSequence,
+      typename Handler, typename IoExecutor>
   void async_read_some(implementation_type& impl,
-      const MutableBufferSequence& buffers, Handler& handler)
+      const MutableBufferSequence& buffers,
+      Handler& handler, const IoExecutor& io_ex)
   {
     bool is_continuation =
       asio_handler_cont_helpers::is_continuation(handler);
 
     // Allocate and construct an operation to wrap the handler.
-    typedef descriptor_read_op<MutableBufferSequence, Handler> op;
+    typedef descriptor_read_op<MutableBufferSequence, Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(impl.descriptor_, buffers, handler);
+    p.p = new (p.v) op(impl.descriptor_, buffers, handler, io_ex);
 
     ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "descriptor",
           &impl, impl.descriptor_, "async_read_some"));
@@ -343,18 +346,18 @@ public:
   }
 
   // Wait until data can be read without blocking.
-  template <typename Handler>
+  template <typename Handler, typename IoExecutor>
   void async_read_some(implementation_type& impl,
-      const null_buffers&, Handler& handler)
+      const null_buffers&, Handler& handler, const IoExecutor& io_ex)
   {
     bool is_continuation =
       asio_handler_cont_helpers::is_continuation(handler);
 
     // Allocate and construct an operation to wrap the handler.
-    typedef reactive_null_buffers_op<Handler> op;
+    typedef reactive_null_buffers_op<Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(handler);
+    p.p = new (p.v) op(handler, io_ex);
 
     ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "descriptor",
           &impl, impl.descriptor_, "async_read_some(null_buffers)"));
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_null_buffers_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_null_buffers_op.hpp
index 178a01b..9013f57 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_null_buffers_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_null_buffers_op.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_null_buffers_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -27,18 +27,19 @@
 namespace asio {
 namespace detail {
 
-template <typename Handler>
+template <typename Handler, typename IoExecutor>
 class reactive_null_buffers_op : public reactor_op
 {
 public:
   ASIO_DEFINE_HANDLER_PTR(reactive_null_buffers_op);
 
-  reactive_null_buffers_op(Handler& handler)
+  reactive_null_buffers_op(Handler& handler, const IoExecutor& io_ex)
     : reactor_op(&reactive_null_buffers_op::do_perform,
         &reactive_null_buffers_op::do_complete),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static status do_perform(reactor_op*)
@@ -53,7 +54,7 @@ public:
     // Take ownership of the handler object.
     reactive_null_buffers_op* o(static_cast<reactive_null_buffers_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*o));
 
@@ -80,6 +81,7 @@ public:
 
 private:
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_serial_port_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_serial_port_service.hpp
index 8709595..10d8073 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_serial_port_service.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_serial_port_service.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_serial_port_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -23,7 +23,7 @@
 
 #include <string>
 #include "asio/error.hpp"
-#include "asio/io_context.hpp"
+#include "asio/execution_context.hpp"
 #include "asio/serial_port_base.hpp"
 #include "asio/detail/descriptor_ops.hpp"
 #include "asio/detail/reactive_descriptor_service.hpp"
@@ -35,7 +35,7 @@ namespace detail {
 
 // Extend reactive_descriptor_service to provide serial port support.
 class reactive_serial_port_service :
-  public service_base<reactive_serial_port_service>
+  public execution_context_service_base<reactive_serial_port_service>
 {
 public:
   // The native type of a serial port.
@@ -44,8 +44,7 @@ public:
   // The implementation type of the serial port.
   typedef reactive_descriptor_service::implementation_type implementation_type;
 
-  ASIO_DECL reactive_serial_port_service(
-      asio::io_context& io_context);
+  ASIO_DECL reactive_serial_port_service(execution_context& context);
 
   // Destroy all user-defined handler objects owned by the service.
   ASIO_DECL void shutdown();
@@ -156,11 +155,12 @@ public:
 
   // Start an asynchronous write. The data being written must be valid for the
   // lifetime of the asynchronous operation.
-  template <typename ConstBufferSequence, typename Handler>
+  template <typename ConstBufferSequence, typename Handler, typename IoExecutor>
   void async_write_some(implementation_type& impl,
-      const ConstBufferSequence& buffers, Handler& handler)
+      const ConstBufferSequence& buffers,
+      Handler& handler, const IoExecutor& io_ex)
   {
-    descriptor_service_.async_write_some(impl, buffers, handler);
+    descriptor_service_.async_write_some(impl, buffers, handler, io_ex);
   }
 
   // Read some data. Returns the number of bytes received.
@@ -173,11 +173,13 @@ public:
 
   // Start an asynchronous read. The buffer for the data being received must be
   // valid for the lifetime of the asynchronous operation.
-  template <typename MutableBufferSequence, typename Handler>
+  template <typename MutableBufferSequence,
+      typename Handler, typename IoExecutor>
   void async_read_some(implementation_type& impl,
-      const MutableBufferSequence& buffers, Handler& handler)
+      const MutableBufferSequence& buffers,
+      Handler& handler, const IoExecutor& io_ex)
   {
-    descriptor_service_.async_read_some(impl, buffers, handler);
+    descriptor_service_.async_read_some(impl, buffers, handler, io_ex);
   }
 
 private:
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_accept_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_accept_op.hpp
index da8f0ef..59aaf5f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_accept_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_accept_op.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_socket_accept_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -85,7 +85,8 @@ private:
   std::size_t addrlen_;
 };
 
-template <typename Socket, typename Protocol, typename Handler>
+template <typename Socket, typename Protocol,
+    typename Handler, typename IoExecutor>
 class reactive_socket_accept_op :
   public reactive_socket_accept_op_base<Socket, Protocol>
 {
@@ -94,12 +95,14 @@ public:
 
   reactive_socket_accept_op(socket_type socket,
       socket_ops::state_type state, Socket& peer, const Protocol& protocol,
-      typename Protocol::endpoint* peer_endpoint, Handler& handler)
+      typename Protocol::endpoint* peer_endpoint, Handler& handler,
+      const IoExecutor& io_ex)
     : reactive_socket_accept_op_base<Socket, Protocol>(socket, state, peer,
         protocol, peer_endpoint, &reactive_socket_accept_op::do_complete),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -109,7 +112,7 @@ public:
     // Take ownership of the handler object.
     reactive_socket_accept_op* o(static_cast<reactive_socket_accept_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     // On success, assign new connection to peer socket object.
     if (owner)
@@ -140,11 +143,13 @@ public:
 
 private:
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 #if defined(ASIO_HAS_MOVE)
 
-template <typename Protocol, typename Handler>
+template <typename Protocol, typename PeerIoExecutor,
+    typename Handler, typename IoExecutor>
 class reactive_socket_move_accept_op :
   private Protocol::socket,
   public reactive_socket_accept_op_base<typename Protocol::socket, Protocol>
@@ -152,16 +157,18 @@ class reactive_socket_move_accept_op :
 public:
   ASIO_DEFINE_HANDLER_PTR(reactive_socket_move_accept_op);
 
-  reactive_socket_move_accept_op(io_context& ioc, socket_type socket,
-      socket_ops::state_type state, const Protocol& protocol,
-      typename Protocol::endpoint* peer_endpoint, Handler& handler)
-    : Protocol::socket(ioc),
+  reactive_socket_move_accept_op(const PeerIoExecutor& peer_io_ex,
+      socket_type socket, socket_ops::state_type state,
+      const Protocol& protocol, typename Protocol::endpoint* peer_endpoint,
+      Handler& handler, const IoExecutor& io_ex)
+    : Protocol::socket(peer_io_ex),
       reactive_socket_accept_op_base<typename Protocol::socket, Protocol>(
         socket, state, *this, protocol, peer_endpoint,
         &reactive_socket_move_accept_op::do_complete),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -172,7 +179,7 @@ public:
     reactive_socket_move_accept_op* o(
         static_cast<reactive_socket_move_accept_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     // On success, assign new connection to peer socket object.
     if (owner)
@@ -205,6 +212,7 @@ public:
 
 private:
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 #endif // defined(ASIO_HAS_MOVE)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_connect_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_connect_op.hpp
index 4289bd9..59c0fdc 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_connect_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_connect_op.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_socket_connect_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -54,18 +54,20 @@ private:
   socket_type socket_;
 };
 
-template <typename Handler>
+template <typename Handler, typename IoExecutor>
 class reactive_socket_connect_op : public reactive_socket_connect_op_base
 {
 public:
   ASIO_DEFINE_HANDLER_PTR(reactive_socket_connect_op);
 
-  reactive_socket_connect_op(socket_type socket, Handler& handler)
+  reactive_socket_connect_op(socket_type socket,
+      Handler& handler, const IoExecutor& io_ex)
     : reactive_socket_connect_op_base(socket,
         &reactive_socket_connect_op::do_complete),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -76,7 +78,7 @@ public:
     reactive_socket_connect_op* o
       (static_cast<reactive_socket_connect_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*o));
 
@@ -103,6 +105,7 @@ public:
 
 private:
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_recv_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_recv_op.hpp
index f646e7c..02e566e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_recv_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_recv_op.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_socket_recv_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -74,21 +74,22 @@ private:
   socket_base::message_flags flags_;
 };
 
-template <typename MutableBufferSequence, typename Handler>
+template <typename MutableBufferSequence, typename Handler, typename IoExecutor>
 class reactive_socket_recv_op :
   public reactive_socket_recv_op_base<MutableBufferSequence>
 {
 public:
   ASIO_DEFINE_HANDLER_PTR(reactive_socket_recv_op);
 
-  reactive_socket_recv_op(socket_type socket,
-      socket_ops::state_type state, const MutableBufferSequence& buffers,
-      socket_base::message_flags flags, Handler& handler)
+  reactive_socket_recv_op(socket_type socket, socket_ops::state_type state,
+      const MutableBufferSequence& buffers, socket_base::message_flags flags,
+      Handler& handler, const IoExecutor& io_ex)
     : reactive_socket_recv_op_base<MutableBufferSequence>(socket, state,
         buffers, flags, &reactive_socket_recv_op::do_complete),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -98,7 +99,7 @@ public:
     // Take ownership of the handler object.
     reactive_socket_recv_op* o(static_cast<reactive_socket_recv_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*o));
 
@@ -125,6 +126,7 @@ public:
 
 private:
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_recvfrom_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_recvfrom_op.hpp
index e0ed177..2e58468 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_recvfrom_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_recvfrom_op.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_socket_recvfrom_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -75,7 +75,8 @@ private:
   socket_base::message_flags flags_;
 };
 
-template <typename MutableBufferSequence, typename Endpoint, typename Handler>
+template <typename MutableBufferSequence, typename Endpoint,
+    typename Handler, typename IoExecutor>
 class reactive_socket_recvfrom_op :
   public reactive_socket_recvfrom_op_base<MutableBufferSequence, Endpoint>
 {
@@ -84,13 +85,15 @@ public:
 
   reactive_socket_recvfrom_op(socket_type socket, int protocol_type,
       const MutableBufferSequence& buffers, Endpoint& endpoint,
-      socket_base::message_flags flags, Handler& handler)
+      socket_base::message_flags flags, Handler& handler,
+      const IoExecutor& io_ex)
     : reactive_socket_recvfrom_op_base<MutableBufferSequence, Endpoint>(
         socket, protocol_type, buffers, endpoint, flags,
         &reactive_socket_recvfrom_op::do_complete),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -101,7 +104,7 @@ public:
     reactive_socket_recvfrom_op* o(
         static_cast<reactive_socket_recvfrom_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*o));
 
@@ -128,6 +131,7 @@ public:
 
 private:
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_recvmsg_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_recvmsg_op.hpp
index 4f9370b..0a703b3 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_recvmsg_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_recvmsg_op.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_socket_recvmsg_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -70,7 +70,7 @@ private:
   socket_base::message_flags& out_flags_;
 };
 
-template <typename MutableBufferSequence, typename Handler>
+template <typename MutableBufferSequence, typename Handler, typename IoExecutor>
 class reactive_socket_recvmsg_op :
   public reactive_socket_recvmsg_op_base<MutableBufferSequence>
 {
@@ -79,12 +79,14 @@ public:
 
   reactive_socket_recvmsg_op(socket_type socket,
       const MutableBufferSequence& buffers, socket_base::message_flags in_flags,
-      socket_base::message_flags& out_flags, Handler& handler)
+      socket_base::message_flags& out_flags, Handler& handler,
+      const IoExecutor& io_ex)
     : reactive_socket_recvmsg_op_base<MutableBufferSequence>(socket, buffers,
         in_flags, out_flags, &reactive_socket_recvmsg_op::do_complete),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -95,7 +97,7 @@ public:
     reactive_socket_recvmsg_op* o(
         static_cast<reactive_socket_recvmsg_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*o));
 
@@ -122,6 +124,7 @@ public:
 
 private:
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_send_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_send_op.hpp
index 88092cd..4eab816 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_send_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_send_op.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_socket_send_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -73,21 +73,22 @@ private:
   socket_base::message_flags flags_;
 };
 
-template <typename ConstBufferSequence, typename Handler>
+template <typename ConstBufferSequence, typename Handler, typename IoExecutor>
 class reactive_socket_send_op :
   public reactive_socket_send_op_base<ConstBufferSequence>
 {
 public:
   ASIO_DEFINE_HANDLER_PTR(reactive_socket_send_op);
 
-  reactive_socket_send_op(socket_type socket,
-      socket_ops::state_type state, const ConstBufferSequence& buffers,
-      socket_base::message_flags flags, Handler& handler)
+  reactive_socket_send_op(socket_type socket, socket_ops::state_type state,
+      const ConstBufferSequence& buffers, socket_base::message_flags flags,
+      Handler& handler, const IoExecutor& io_ex)
     : reactive_socket_send_op_base<ConstBufferSequence>(socket,
         state, buffers, flags, &reactive_socket_send_op::do_complete),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -97,7 +98,7 @@ public:
     // Take ownership of the handler object.
     reactive_socket_send_op* o(static_cast<reactive_socket_send_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*o));
 
@@ -124,6 +125,7 @@ public:
 
 private:
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_sendto_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_sendto_op.hpp
index fdb9b64..55fd1c8 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_sendto_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_sendto_op.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_socket_sendto_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -69,7 +69,8 @@ private:
   socket_base::message_flags flags_;
 };
 
-template <typename ConstBufferSequence, typename Endpoint, typename Handler>
+template <typename ConstBufferSequence, typename Endpoint,
+    typename Handler, typename IoExecutor>
 class reactive_socket_sendto_op :
   public reactive_socket_sendto_op_base<ConstBufferSequence, Endpoint>
 {
@@ -78,12 +79,14 @@ public:
 
   reactive_socket_sendto_op(socket_type socket,
       const ConstBufferSequence& buffers, const Endpoint& endpoint,
-      socket_base::message_flags flags, Handler& handler)
+      socket_base::message_flags flags, Handler& handler,
+      const IoExecutor& io_ex)
     : reactive_socket_sendto_op_base<ConstBufferSequence, Endpoint>(socket,
         buffers, endpoint, flags, &reactive_socket_sendto_op::do_complete),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -93,7 +96,7 @@ public:
     // Take ownership of the handler object.
     reactive_socket_sendto_op* o(static_cast<reactive_socket_sendto_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*o));
 
@@ -120,6 +123,7 @@ public:
 
 private:
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_service.hpp
index b7b2648..2ed833c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_service.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_service.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_socket_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -21,7 +21,7 @@
 
 #include "asio/buffer.hpp"
 #include "asio/error.hpp"
-#include "asio/io_context.hpp"
+#include "asio/execution_context.hpp"
 #include "asio/socket_base.hpp"
 #include "asio/detail/buffer_sequence_adapter.hpp"
 #include "asio/detail/memory.hpp"
@@ -45,7 +45,7 @@ namespace detail {
 
 template <typename Protocol>
 class reactive_socket_service :
-  public service_base<reactive_socket_service<Protocol> >,
+  public execution_context_service_base<reactive_socket_service<Protocol> >,
   public reactive_socket_service_base
 {
 public:
@@ -73,9 +73,10 @@ public:
   };
 
   // Constructor.
-  reactive_socket_service(asio::io_context& io_context)
-    : service_base<reactive_socket_service<Protocol> >(io_context),
-      reactive_socket_service_base(io_context)
+  reactive_socket_service(execution_context& context)
+    : execution_context_service_base<
+        reactive_socket_service<Protocol> >(context),
+      reactive_socket_service_base(context)
   {
   }
 
@@ -239,21 +240,22 @@ public:
 
   // Start an asynchronous send. The data being sent must be valid for the
   // lifetime of the asynchronous operation.
-  template <typename ConstBufferSequence, typename Handler>
+  template <typename ConstBufferSequence, typename Handler, typename IoExecutor>
   void async_send_to(implementation_type& impl,
       const ConstBufferSequence& buffers,
       const endpoint_type& destination, socket_base::message_flags flags,
-      Handler& handler)
+      Handler& handler, const IoExecutor& io_ex)
   {
     bool is_continuation =
       asio_handler_cont_helpers::is_continuation(handler);
 
     // Allocate and construct an operation to wrap the handler.
     typedef reactive_socket_sendto_op<ConstBufferSequence,
-        endpoint_type, Handler> op;
+        endpoint_type, Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(impl.socket_, buffers, destination, flags, handler);
+    p.p = new (p.v) op(impl.socket_, buffers,
+        destination, flags, handler, io_ex);
 
     ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "socket",
           &impl, impl.socket_, "async_send_to"));
@@ -263,18 +265,19 @@ public:
   }
 
   // Start an asynchronous wait until data can be sent without blocking.
-  template <typename Handler>
+  template <typename Handler, typename IoExecutor>
   void async_send_to(implementation_type& impl, const null_buffers&,
-      const endpoint_type&, socket_base::message_flags, Handler& handler)
+      const endpoint_type&, socket_base::message_flags,
+      Handler& handler, const IoExecutor& io_ex)
   {
     bool is_continuation =
       asio_handler_cont_helpers::is_continuation(handler);
 
     // Allocate and construct an operation to wrap the handler.
-    typedef reactive_null_buffers_op<Handler> op;
+    typedef reactive_null_buffers_op<Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(handler);
+    p.p = new (p.v) op(handler, io_ex);
 
     ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "socket",
           &impl, impl.socket_, "async_send_to(null_buffers)"));
@@ -322,22 +325,24 @@ public:
   // Start an asynchronous receive. The buffer for the data being received and
   // the sender_endpoint object must both be valid for the lifetime of the
   // asynchronous operation.
-  template <typename MutableBufferSequence, typename Handler>
+  template <typename MutableBufferSequence,
+      typename Handler, typename IoExecutor>
   void async_receive_from(implementation_type& impl,
       const MutableBufferSequence& buffers, endpoint_type& sender_endpoint,
-      socket_base::message_flags flags, Handler& handler)
+      socket_base::message_flags flags, Handler& handler,
+      const IoExecutor& io_ex)
   {
     bool is_continuation =
       asio_handler_cont_helpers::is_continuation(handler);
 
     // Allocate and construct an operation to wrap the handler.
     typedef reactive_socket_recvfrom_op<MutableBufferSequence,
-        endpoint_type, Handler> op;
+        endpoint_type, Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
     int protocol = impl.protocol_.type();
-    p.p = new (p.v) op(impl.socket_, protocol,
-        buffers, sender_endpoint, flags, handler);
+    p.p = new (p.v) op(impl.socket_, protocol, buffers,
+        sender_endpoint, flags, handler, io_ex);
 
     ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "socket",
           &impl, impl.socket_, "async_receive_from"));
@@ -350,19 +355,19 @@ public:
   }
 
   // Wait until data can be received without blocking.
-  template <typename Handler>
-  void async_receive_from(implementation_type& impl,
-      const null_buffers&, endpoint_type& sender_endpoint,
-      socket_base::message_flags flags, Handler& handler)
+  template <typename Handler, typename IoExecutor>
+  void async_receive_from(implementation_type& impl, const null_buffers&,
+      endpoint_type& sender_endpoint, socket_base::message_flags flags,
+      Handler& handler, const IoExecutor& io_ex)
   {
     bool is_continuation =
       asio_handler_cont_helpers::is_continuation(handler);
 
     // Allocate and construct an operation to wrap the handler.
-    typedef reactive_null_buffers_op<Handler> op;
+    typedef reactive_null_buffers_op<Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(handler);
+    p.p = new (p.v) op(handler, io_ex);
 
     ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "socket",
           &impl, impl.socket_, "async_receive_from(null_buffers)"));
@@ -407,49 +412,21 @@ public:
     return ec;
   }
 
-#if defined(ASIO_HAS_MOVE)
-  // Accept a new connection.
-  typename Protocol::socket accept(implementation_type& impl,
-      io_context* peer_io_context, endpoint_type* peer_endpoint,
-      asio::error_code& ec)
-  {
-    typename Protocol::socket peer(
-        peer_io_context ? *peer_io_context : io_context_);
-
-    std::size_t addr_len = peer_endpoint ? peer_endpoint->capacity() : 0;
-    socket_holder new_socket(socket_ops::sync_accept(impl.socket_,
-          impl.state_, peer_endpoint ? peer_endpoint->data() : 0,
-          peer_endpoint ? &addr_len : 0, ec));
-
-    // On success, assign new connection to peer socket object.
-    if (new_socket.get() != invalid_socket)
-    {
-      if (peer_endpoint)
-        peer_endpoint->resize(addr_len);
-      peer.assign(impl.protocol_, new_socket.get(), ec);
-      if (!ec)
-        new_socket.release();
-    }
-
-    return peer;
-  }
-#endif // defined(ASIO_HAS_MOVE)
-
   // Start an asynchronous accept. The peer and peer_endpoint objects must be
   // valid until the accept's handler is invoked.
-  template <typename Socket, typename Handler>
+  template <typename Socket, typename Handler, typename IoExecutor>
   void async_accept(implementation_type& impl, Socket& peer,
-      endpoint_type* peer_endpoint, Handler& handler)
+      endpoint_type* peer_endpoint, Handler& handler, const IoExecutor& io_ex)
   {
     bool is_continuation =
       asio_handler_cont_helpers::is_continuation(handler);
 
     // Allocate and construct an operation to wrap the handler.
-    typedef reactive_socket_accept_op<Socket, Protocol, Handler> op;
+    typedef reactive_socket_accept_op<Socket, Protocol, Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
     p.p = new (p.v) op(impl.socket_, impl.state_, peer,
-        impl.protocol_, peer_endpoint, handler);
+        impl.protocol_, peer_endpoint, handler, io_ex);
 
     ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "socket",
           &impl, impl.socket_, "async_accept"));
@@ -461,20 +438,21 @@ public:
 #if defined(ASIO_HAS_MOVE)
   // Start an asynchronous accept. The peer_endpoint object must be valid until
   // the accept's handler is invoked.
-  template <typename Handler>
-  void async_accept(implementation_type& impl,
-      asio::io_context* peer_io_context,
-      endpoint_type* peer_endpoint, Handler& handler)
+  template <typename PeerIoExecutor, typename Handler, typename IoExecutor>
+  void async_move_accept(implementation_type& impl,
+      const PeerIoExecutor& peer_io_ex, endpoint_type* peer_endpoint,
+      Handler& handler, const IoExecutor& io_ex)
   {
     bool is_continuation =
       asio_handler_cont_helpers::is_continuation(handler);
 
     // Allocate and construct an operation to wrap the handler.
-    typedef reactive_socket_move_accept_op<Protocol, Handler> op;
+    typedef reactive_socket_move_accept_op<Protocol,
+        PeerIoExecutor, Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(peer_io_context ? *peer_io_context : io_context_,
-        impl.socket_, impl.state_, impl.protocol_, peer_endpoint, handler);
+    p.p = new (p.v) op(peer_io_ex, impl.socket_, impl.state_,
+        impl.protocol_, peer_endpoint, handler, io_ex);
 
     ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "socket",
           &impl, impl.socket_, "async_accept"));
@@ -494,18 +472,19 @@ public:
   }
 
   // Start an asynchronous connect.
-  template <typename Handler>
+  template <typename Handler, typename IoExecutor>
   void async_connect(implementation_type& impl,
-      const endpoint_type& peer_endpoint, Handler& handler)
+      const endpoint_type& peer_endpoint,
+      Handler& handler, const IoExecutor& io_ex)
   {
     bool is_continuation =
       asio_handler_cont_helpers::is_continuation(handler);
 
     // Allocate and construct an operation to wrap the handler.
-    typedef reactive_socket_connect_op<Handler> op;
+    typedef reactive_socket_connect_op<Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(impl.socket_, handler);
+    p.p = new (p.v) op(impl.socket_, handler, io_ex);
 
     ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "socket",
           &impl, impl.socket_, "async_connect"));
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_service_base.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_service_base.hpp
index a8e72ac..0445b78 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_service_base.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_socket_service_base.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_socket_service_base.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -22,7 +22,7 @@
 
 #include "asio/buffer.hpp"
 #include "asio/error.hpp"
-#include "asio/io_context.hpp"
+#include "asio/execution_context.hpp"
 #include "asio/socket_base.hpp"
 #include "asio/detail/buffer_sequence_adapter.hpp"
 #include "asio/detail/memory.hpp"
@@ -62,8 +62,7 @@ public:
   };
 
   // Constructor.
-  ASIO_DECL reactive_socket_service_base(
-      asio::io_context& io_context);
+  ASIO_DECL reactive_socket_service_base(execution_context& context);
 
   // Destroy all user-defined handler objects owned by the service.
   ASIO_DECL void base_shutdown();
@@ -193,18 +192,18 @@ public:
 
   // Asynchronously wait for the socket to become ready to read, ready to
   // write, or to have pending error conditions.
-  template <typename Handler>
+  template <typename Handler, typename IoExecutor>
   void async_wait(base_implementation_type& impl,
-      socket_base::wait_type w, Handler& handler)
+      socket_base::wait_type w, Handler& handler, const IoExecutor& io_ex)
   {
     bool is_continuation =
       asio_handler_cont_helpers::is_continuation(handler);
 
     // Allocate and construct an operation to wrap the handler.
-    typedef reactive_wait_op<Handler> op;
+    typedef reactive_wait_op<Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(handler);
+    p.p = new (p.v) op(handler, io_ex);
 
     ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "socket",
           &impl, impl.socket_, "async_wait"));
@@ -257,19 +256,21 @@ public:
 
   // Start an asynchronous send. The data being sent must be valid for the
   // lifetime of the asynchronous operation.
-  template <typename ConstBufferSequence, typename Handler>
+  template <typename ConstBufferSequence, typename Handler, typename IoExecutor>
   void async_send(base_implementation_type& impl,
-      const ConstBufferSequence& buffers,
-      socket_base::message_flags flags, Handler& handler)
+      const ConstBufferSequence& buffers, socket_base::message_flags flags,
+      Handler& handler, const IoExecutor& io_ex)
   {
     bool is_continuation =
       asio_handler_cont_helpers::is_continuation(handler);
 
     // Allocate and construct an operation to wrap the handler.
-    typedef reactive_socket_send_op<ConstBufferSequence, Handler> op;
+    typedef reactive_socket_send_op<
+        ConstBufferSequence, Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(impl.socket_, impl.state_, buffers, flags, handler);
+    p.p = new (p.v) op(impl.socket_, impl.state_,
+        buffers, flags, handler, io_ex);
 
     ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "socket",
           &impl, impl.socket_, "async_send"));
@@ -282,18 +283,18 @@ public:
   }
 
   // Start an asynchronous wait until data can be sent without blocking.
-  template <typename Handler>
+  template <typename Handler, typename IoExecutor>
   void async_send(base_implementation_type& impl, const null_buffers&,
-      socket_base::message_flags, Handler& handler)
+      socket_base::message_flags, Handler& handler, const IoExecutor& io_ex)
   {
     bool is_continuation =
       asio_handler_cont_helpers::is_continuation(handler);
 
     // Allocate and construct an operation to wrap the handler.
-    typedef reactive_null_buffers_op<Handler> op;
+    typedef reactive_null_buffers_op<Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(handler);
+    p.p = new (p.v) op(handler, io_ex);
 
     ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "socket",
           &impl, impl.socket_, "async_send(null_buffers)"));
@@ -327,19 +328,22 @@ public:
 
   // Start an asynchronous receive. The buffer for the data being received
   // must be valid for the lifetime of the asynchronous operation.
-  template <typename MutableBufferSequence, typename Handler>
+  template <typename MutableBufferSequence,
+      typename Handler, typename IoExecutor>
   void async_receive(base_implementation_type& impl,
-      const MutableBufferSequence& buffers,
-      socket_base::message_flags flags, Handler& handler)
+      const MutableBufferSequence& buffers, socket_base::message_flags flags,
+      Handler& handler, const IoExecutor& io_ex)
   {
     bool is_continuation =
       asio_handler_cont_helpers::is_continuation(handler);
 
     // Allocate and construct an operation to wrap the handler.
-    typedef reactive_socket_recv_op<MutableBufferSequence, Handler> op;
+    typedef reactive_socket_recv_op<
+        MutableBufferSequence, Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(impl.socket_, impl.state_, buffers, flags, handler);
+    p.p = new (p.v) op(impl.socket_, impl.state_,
+        buffers, flags, handler, io_ex);
 
     ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "socket",
           &impl, impl.socket_, "async_receive"));
@@ -356,18 +360,19 @@ public:
   }
 
   // Wait until data can be received without blocking.
-  template <typename Handler>
-  void async_receive(base_implementation_type& impl, const null_buffers&,
-      socket_base::message_flags flags, Handler& handler)
+  template <typename Handler, typename IoExecutor>
+  void async_receive(base_implementation_type& impl,
+      const null_buffers&, socket_base::message_flags flags,
+      Handler& handler, const IoExecutor& io_ex)
   {
     bool is_continuation =
       asio_handler_cont_helpers::is_continuation(handler);
 
     // Allocate and construct an operation to wrap the handler.
-    typedef reactive_null_buffers_op<Handler> op;
+    typedef reactive_null_buffers_op<Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(handler);
+    p.p = new (p.v) op(handler, io_ex);
 
     ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "socket",
           &impl, impl.socket_, "async_receive(null_buffers)"));
@@ -411,19 +416,23 @@ public:
 
   // Start an asynchronous receive. The buffer for the data being received
   // must be valid for the lifetime of the asynchronous operation.
-  template <typename MutableBufferSequence, typename Handler>
+  template <typename MutableBufferSequence,
+      typename Handler, typename IoExecutor>
   void async_receive_with_flags(base_implementation_type& impl,
       const MutableBufferSequence& buffers, socket_base::message_flags in_flags,
-      socket_base::message_flags& out_flags, Handler& handler)
+      socket_base::message_flags& out_flags, Handler& handler,
+      const IoExecutor& io_ex)
   {
     bool is_continuation =
       asio_handler_cont_helpers::is_continuation(handler);
 
     // Allocate and construct an operation to wrap the handler.
-    typedef reactive_socket_recvmsg_op<MutableBufferSequence, Handler> op;
+    typedef reactive_socket_recvmsg_op<
+        MutableBufferSequence, Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(impl.socket_, buffers, in_flags, out_flags, handler);
+    p.p = new (p.v) op(impl.socket_, buffers,
+        in_flags, out_flags, handler, io_ex);
 
     ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "socket",
           &impl, impl.socket_, "async_receive_with_flags"));
@@ -437,19 +446,20 @@ public:
   }
 
   // Wait until data can be received without blocking.
-  template <typename Handler>
+  template <typename Handler, typename IoExecutor>
   void async_receive_with_flags(base_implementation_type& impl,
       const null_buffers&, socket_base::message_flags in_flags,
-      socket_base::message_flags& out_flags, Handler& handler)
+      socket_base::message_flags& out_flags, Handler& handler,
+      const IoExecutor& io_ex)
   {
     bool is_continuation =
       asio_handler_cont_helpers::is_continuation(handler);
 
     // Allocate and construct an operation to wrap the handler.
-    typedef reactive_null_buffers_op<Handler> op;
+    typedef reactive_null_buffers_op<Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(handler);
+    p.p = new (p.v) op(handler, io_ex);
 
     ASIO_HANDLER_CREATION((reactor_.context(), *p.p, "socket",
           &impl, impl.socket_, "async_receive_with_flags(null_buffers)"));
@@ -489,9 +499,6 @@ protected:
       reactor_op* op, bool is_continuation,
       const socket_addr_type* addr, size_t addrlen);
 
-  // The io_context that owns this socket service.
-  io_context& io_context_;
-
   // The selector that performs event demultiplexing for the service.
   reactor& reactor_;
 };
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_wait_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_wait_op.hpp
index 7bd7e2f..eebcfd1 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_wait_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactive_wait_op.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_wait_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -27,18 +27,19 @@
 namespace asio {
 namespace detail {
 
-template <typename Handler>
+template <typename Handler, typename IoExecutor>
 class reactive_wait_op : public reactor_op
 {
 public:
   ASIO_DEFINE_HANDLER_PTR(reactive_wait_op);
 
-  reactive_wait_op(Handler& handler)
+  reactive_wait_op(Handler& handler, const IoExecutor& io_ex)
     : reactor_op(&reactive_wait_op::do_perform,
         &reactive_wait_op::do_complete),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static status do_perform(reactor_op*)
@@ -53,7 +54,7 @@ public:
     // Take ownership of the handler object.
     reactive_wait_op* o(static_cast<reactive_wait_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*o));
 
@@ -80,6 +81,7 @@ public:
 
 private:
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactor.hpp
index edf7816..441fc47 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactor.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactor.hpp
@@ -2,7 +2,7 @@
 // detail/reactor.hpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactor_fwd.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactor_fwd.hpp
index caeb53e..ac67829 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactor_fwd.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactor_fwd.hpp
@@ -2,7 +2,7 @@
 // detail/reactor_fwd.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactor_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactor_op.hpp
index bdbaefe..d244248 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactor_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactor_op.hpp
@@ -2,7 +2,7 @@
 // detail/reactor_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactor_op_queue.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactor_op_queue.hpp
index af4e0cb..2ecc380 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactor_op_queue.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/reactor_op_queue.hpp
@@ -2,7 +2,7 @@
 // detail/reactor_op_queue.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/recycling_allocator.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/recycling_allocator.hpp
index 11e28f9..243dc9b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/recycling_allocator.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/recycling_allocator.hpp
@@ -2,7 +2,7 @@
 // detail/recycling_allocator.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -25,7 +25,7 @@
 namespace asio {
 namespace detail {
 
-template <typename T>
+template <typename T, typename Purpose = thread_info_base::default_tag>
 class recycling_allocator
 {
 public:
@@ -34,7 +34,7 @@ public:
   template <typename U>
   struct rebind
   {
-    typedef recycling_allocator<U> other;
+    typedef recycling_allocator<U, Purpose> other;
   };
 
   recycling_allocator()
@@ -42,26 +42,28 @@ public:
   }
 
   template <typename U>
-  recycling_allocator(const recycling_allocator<U>&)
+  recycling_allocator(const recycling_allocator<U, Purpose>&)
   {
   }
 
   T* allocate(std::size_t n)
   {
     typedef thread_context::thread_call_stack call_stack;
-    void* p = thread_info_base::allocate(call_stack::top(), sizeof(T) * n);
+    void* p = thread_info_base::allocate(Purpose(),
+        call_stack::top(), sizeof(T) * n);
     return static_cast<T*>(p);
   }
 
   void deallocate(T* p, std::size_t n)
   {
     typedef thread_context::thread_call_stack call_stack;
-    thread_info_base::deallocate(call_stack::top(), p, sizeof(T) * n);
+    thread_info_base::deallocate(Purpose(),
+        call_stack::top(), p, sizeof(T) * n);
   }
 };
 
-template <>
-class recycling_allocator<void>
+template <typename Purpose>
+class recycling_allocator<void, Purpose>
 {
 public:
   typedef void value_type;
@@ -69,7 +71,7 @@ public:
   template <typename U>
   struct rebind
   {
-    typedef recycling_allocator<U> other;
+    typedef recycling_allocator<U, Purpose> other;
   };
 
   recycling_allocator()
@@ -77,22 +79,22 @@ public:
   }
 
   template <typename U>
-  recycling_allocator(const recycling_allocator<U>&)
+  recycling_allocator(const recycling_allocator<U, Purpose>&)
   {
   }
 };
 
-template <typename Allocator>
+template <typename Allocator, typename Purpose>
 struct get_recycling_allocator
 {
   typedef Allocator type;
   static type get(const Allocator& a) { return a; }
 };
 
-template <typename T>
-struct get_recycling_allocator<std::allocator<T> >
+template <typename T, typename Purpose>
+struct get_recycling_allocator<std::allocator<T>, Purpose>
 {
-  typedef recycling_allocator<T> type;
+  typedef recycling_allocator<T, Purpose> type;
   static type get(const std::allocator<T>&) { return type(); }
 };
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/regex_fwd.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/regex_fwd.hpp
index 32f3f75..e0d0ce5 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/regex_fwd.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/regex_fwd.hpp
@@ -2,7 +2,7 @@
 // detail/regex_fwd.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/resolve_endpoint_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/resolve_endpoint_op.hpp
index 5efc4c5..34cb7f7 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/resolve_endpoint_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/resolve_endpoint_op.hpp
@@ -2,7 +2,7 @@
 // detail/resolve_endpoint_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -17,7 +17,6 @@
 
 #include "asio/detail/config.hpp"
 #include "asio/error.hpp"
-#include "asio/io_context.hpp"
 #include "asio/ip/basic_resolver_results.hpp"
 #include "asio/detail/bind_handler.hpp"
 #include "asio/detail/fenced_block.hpp"
@@ -27,12 +26,18 @@
 #include "asio/detail/resolve_op.hpp"
 #include "asio/detail/socket_ops.hpp"
 
+#if defined(ASIO_HAS_IOCP)
+# include "asio/detail/win_iocp_io_context.hpp"
+#else // defined(ASIO_HAS_IOCP)
+# include "asio/detail/scheduler.hpp"
+#endif // defined(ASIO_HAS_IOCP)
+
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
 namespace detail {
 
-template <typename Protocol, typename Handler>
+template <typename Protocol, typename Handler, typename IoExecutor>
 class resolve_endpoint_op : public resolve_op
 {
 public:
@@ -41,15 +46,23 @@ public:
   typedef typename Protocol::endpoint endpoint_type;
   typedef asio::ip::basic_resolver_results<Protocol> results_type;
 
+#if defined(ASIO_HAS_IOCP)
+  typedef class win_iocp_io_context scheduler_impl;
+#else
+  typedef class scheduler scheduler_impl;
+#endif
+
   resolve_endpoint_op(socket_ops::weak_cancel_token_type cancel_token,
-      const endpoint_type& endpoint, io_context_impl& ioc, Handler& handler)
+      const endpoint_type& endpoint, scheduler_impl& sched,
+      Handler& handler, const IoExecutor& io_ex)
     : resolve_op(&resolve_endpoint_op::do_complete),
       cancel_token_(cancel_token),
       endpoint_(endpoint),
-      io_context_impl_(ioc),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      scheduler_(sched),
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -59,9 +72,9 @@ public:
     // Take ownership of the operation object.
     resolve_endpoint_op* o(static_cast<resolve_endpoint_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
-    if (owner && owner != &o->io_context_impl_)
+    if (owner && owner != &o->scheduler_)
     {
       // The operation is being run on the worker io_context. Time to perform
       // the resolver operation.
@@ -75,7 +88,7 @@ public:
       o->results_ = results_type::create(o->endpoint_, host_name, service_name);
 
       // Pass operation back to main io_context for completion.
-      o->io_context_impl_.post_deferred_completion(o);
+      o->scheduler_.post_deferred_completion(o);
       p.v = p.p = 0;
     }
     else
@@ -109,8 +122,9 @@ public:
 private:
   socket_ops::weak_cancel_token_type cancel_token_;
   endpoint_type endpoint_;
-  io_context_impl& io_context_impl_;
+  scheduler_impl& scheduler_;
   Handler handler_;
+  IoExecutor io_executor_;
   results_type results_;
 };
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/resolve_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/resolve_op.hpp
index 4e6bfd8..445cf56 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/resolve_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/resolve_op.hpp
@@ -2,7 +2,7 @@
 // detail/resolve_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/resolve_query_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/resolve_query_op.hpp
index d68cb7e..e5f768f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/resolve_query_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/resolve_query_op.hpp
@@ -2,7 +2,7 @@
 // detail/resolve_query_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -17,7 +17,6 @@
 
 #include "asio/detail/config.hpp"
 #include "asio/error.hpp"
-#include "asio/io_context.hpp"
 #include "asio/ip/basic_resolver_query.hpp"
 #include "asio/ip/basic_resolver_results.hpp"
 #include "asio/detail/bind_handler.hpp"
@@ -28,12 +27,18 @@
 #include "asio/detail/resolve_op.hpp"
 #include "asio/detail/socket_ops.hpp"
 
+#if defined(ASIO_HAS_IOCP)
+# include "asio/detail/win_iocp_io_context.hpp"
+#else // defined(ASIO_HAS_IOCP)
+# include "asio/detail/scheduler.hpp"
+#endif // defined(ASIO_HAS_IOCP)
+
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
 namespace detail {
 
-template <typename Protocol, typename Handler>
+template <typename Protocol, typename Handler, typename IoExecutor>
 class resolve_query_op : public resolve_op
 {
 public:
@@ -42,16 +47,24 @@ public:
   typedef asio::ip::basic_resolver_query<Protocol> query_type;
   typedef asio::ip::basic_resolver_results<Protocol> results_type;
 
+#if defined(ASIO_HAS_IOCP)
+  typedef class win_iocp_io_context scheduler_impl;
+#else
+  typedef class scheduler scheduler_impl;
+#endif
+
   resolve_query_op(socket_ops::weak_cancel_token_type cancel_token,
-      const query_type& query, io_context_impl& ioc, Handler& handler)
+      const query_type& query, scheduler_impl& sched,
+      Handler& handler, const IoExecutor& io_ex)
     : resolve_op(&resolve_query_op::do_complete),
       cancel_token_(cancel_token),
       query_(query),
-      io_context_impl_(ioc),
+      scheduler_(sched),
       handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex),
       addrinfo_(0)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   ~resolve_query_op()
@@ -68,7 +81,7 @@ public:
     resolve_query_op* o(static_cast<resolve_query_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
 
-    if (owner && owner != &o->io_context_impl_)
+    if (owner && owner != &o->scheduler_)
     {
       // The operation is being run on the worker io_context. Time to perform
       // the resolver operation.
@@ -79,7 +92,7 @@ public:
           o->query_.hints(), &o->addrinfo_, o->ec_);
 
       // Pass operation back to main io_context for completion.
-      o->io_context_impl_.post_deferred_completion(o);
+      o->scheduler_.post_deferred_completion(o);
       p.v = p.p = 0;
     }
     else
@@ -88,7 +101,7 @@ public:
       // handler is ready to be delivered.
 
       // Take ownership of the operation's outstanding work.
-      handler_work<Handler> w(o->handler_);
+      handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
       ASIO_HANDLER_COMPLETION((*o));
 
@@ -121,8 +134,9 @@ public:
 private:
   socket_ops::weak_cancel_token_type cancel_token_;
   query_type query_;
-  io_context_impl& io_context_impl_;
+  scheduler_impl& scheduler_;
   Handler handler_;
+  IoExecutor io_executor_;
   asio::detail::addrinfo_type* addrinfo_;
 };
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/resolver_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/resolver_service.hpp
index cee380a..c856cf8 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/resolver_service.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/resolver_service.hpp
@@ -2,7 +2,7 @@
 // detail/resolver_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -34,7 +34,7 @@ namespace detail {
 
 template <typename Protocol>
 class resolver_service :
-  public service_base<resolver_service<Protocol> >,
+  public execution_context_service_base<resolver_service<Protocol> >,
   public resolver_service_base
 {
 public:
@@ -52,9 +52,9 @@ public:
   typedef asio::ip::basic_resolver_results<Protocol> results_type;
 
   // Constructor.
-  resolver_service(asio::io_context& io_context)
-    : service_base<resolver_service<Protocol> >(io_context),
-      resolver_service_base(io_context)
+  resolver_service(execution_context& context)
+    : execution_context_service_base<resolver_service<Protocol> >(context),
+      resolver_service_base(context)
   {
   }
 
@@ -65,7 +65,7 @@ public:
   }
 
   // Perform any fork-related housekeeping.
-  void notify_fork(asio::io_context::fork_event fork_ev)
+  void notify_fork(execution_context::fork_event fork_ev)
   {
     this->base_notify_fork(fork_ev);
   }
@@ -85,17 +85,17 @@ public:
   }
 
   // Asynchronously resolve a query to a list of entries.
-  template <typename Handler>
-  void async_resolve(implementation_type& impl,
-      const query_type& query, Handler& handler)
+  template <typename Handler, typename IoExecutor>
+  void async_resolve(implementation_type& impl, const query_type& query,
+      Handler& handler, const IoExecutor& io_ex)
   {
     // Allocate and construct an operation to wrap the handler.
-    typedef resolve_query_op<Protocol, Handler> op;
+    typedef resolve_query_op<Protocol, Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(impl, query, io_context_impl_, handler);
+    p.p = new (p.v) op(impl, query, scheduler_, handler, io_ex);
 
-    ASIO_HANDLER_CREATION((io_context_impl_.context(),
+    ASIO_HANDLER_CREATION((scheduler_.context(),
           *p.p, "resolver", &impl, 0, "async_resolve"));
 
     start_resolve_op(p.p);
@@ -117,17 +117,17 @@ public:
   }
 
   // Asynchronously resolve an endpoint to a list of entries.
-  template <typename Handler>
-  void async_resolve(implementation_type& impl,
-      const endpoint_type& endpoint, Handler& handler)
+  template <typename Handler, typename IoExecutor>
+  void async_resolve(implementation_type& impl, const endpoint_type& endpoint,
+      Handler& handler, const IoExecutor& io_ex)
   {
     // Allocate and construct an operation to wrap the handler.
-    typedef resolve_endpoint_op<Protocol, Handler> op;
+    typedef resolve_endpoint_op<Protocol, Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(impl, endpoint, io_context_impl_, handler);
+    p.p = new (p.v) op(impl, endpoint, scheduler_, handler, io_ex);
 
-    ASIO_HANDLER_CREATION((io_context_impl_.context(),
+    ASIO_HANDLER_CREATION((scheduler_.context(),
           *p.p, "resolver", &impl, 0, "async_resolve"));
 
     start_resolve_op(p.p);
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/resolver_service_base.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/resolver_service_base.hpp
index aa6ff1e..5b1f23c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/resolver_service_base.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/resolver_service_base.hpp
@@ -2,7 +2,7 @@
 // detail/resolver_service_base.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -17,8 +17,7 @@
 
 #include "asio/detail/config.hpp"
 #include "asio/error.hpp"
-#include "asio/executor_work_guard.hpp"
-#include "asio/io_context.hpp"
+#include "asio/execution_context.hpp"
 #include "asio/detail/mutex.hpp"
 #include "asio/detail/noncopyable.hpp"
 #include "asio/detail/resolve_op.hpp"
@@ -27,6 +26,12 @@
 #include "asio/detail/scoped_ptr.hpp"
 #include "asio/detail/thread.hpp"
 
+#if defined(ASIO_HAS_IOCP)
+# include "asio/detail/win_iocp_io_context.hpp"
+#else // defined(ASIO_HAS_IOCP)
+# include "asio/detail/scheduler.hpp"
+#endif // defined(ASIO_HAS_IOCP)
+
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
@@ -40,7 +45,7 @@ public:
   typedef socket_ops::shared_cancel_token_type implementation_type;
 
   // Constructor.
-  ASIO_DECL resolver_service_base(asio::io_context& io_context);
+  ASIO_DECL resolver_service_base(execution_context& context);
 
   // Destructor.
   ASIO_DECL ~resolver_service_base();
@@ -50,7 +55,7 @@ public:
 
   // Perform any fork-related housekeeping.
   ASIO_DECL void base_notify_fork(
-      asio::io_context::fork_event fork_ev);
+      execution_context::fork_event fork_ev);
 
   // Construct a new resolver implementation.
   ASIO_DECL void construct(implementation_type& impl);
@@ -101,28 +106,26 @@ protected:
   };
 #endif // !defined(ASIO_WINDOWS_RUNTIME)
 
-  // Helper class to run the work io_context in a thread.
-  class work_io_context_runner;
+  // Helper class to run the work scheduler in a thread.
+  class work_scheduler_runner;
 
-  // Start the work thread if it's not already running.
+  // Start the work scheduler if it's not already running.
   ASIO_DECL void start_work_thread();
 
-  // The io_context implementation used to post completions.
-  io_context_impl& io_context_impl_;
+  // The scheduler implementation used to post completions.
+#if defined(ASIO_HAS_IOCP)
+  typedef class win_iocp_io_context scheduler_impl;
+#else
+  typedef class scheduler scheduler_impl;
+#endif
+  scheduler_impl& scheduler_;
 
 private:
   // Mutex to protect access to internal data.
   asio::detail::mutex mutex_;
 
-  // Private io_context used for performing asynchronous host resolution.
-  asio::detail::scoped_ptr<asio::io_context> work_io_context_;
-
-  // The work io_context implementation used to post completions.
-  io_context_impl& work_io_context_impl_;
-
-  // Work for the private io_context to perform.
-  asio::executor_work_guard<
-      asio::io_context::executor_type> work_;
+  // Private scheduler used for performing asynchronous host resolution.
+  asio::detail::scoped_ptr<scheduler_impl> work_scheduler_;
 
   // Thread used for running the work io_context's run loop.
   asio::detail::scoped_ptr<asio::detail::thread> work_thread_;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/scheduler.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/scheduler.hpp
index 6ff0b7b..0d721e8 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/scheduler.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/scheduler.hpp
@@ -2,7 +2,7 @@
 // detail/scheduler.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -25,6 +25,7 @@
 #include "asio/detail/op_queue.hpp"
 #include "asio/detail/reactor_fwd.hpp"
 #include "asio/detail/scheduler_operation.hpp"
+#include "asio/detail/thread.hpp"
 #include "asio/detail/thread_context.hpp"
 
 #include "asio/detail/push_options.hpp"
@@ -44,7 +45,10 @@ public:
   // Constructor. Specifies the number of concurrent threads that are likely to
   // run the scheduler. If set to 1 certain optimisation are performed.
   ASIO_DECL scheduler(asio::execution_context& ctx,
-      int concurrency_hint = 0);
+      int concurrency_hint = 0, bool own_thread = true);
+
+  // Destructor.
+  ASIO_DECL ~scheduler();
 
   // Destroy all user-defined handler objects owned by the service.
   ASIO_DECL void shutdown();
@@ -156,6 +160,10 @@ private:
   ASIO_DECL void wake_one_thread_and_unlock(
       mutex::scoped_lock& lock);
 
+  // Helper class to run the scheduler in its own thread.
+  class thread_function;
+  friend class thread_function;
+
   // Helper class to perform task-related operations on block exit.
   struct task_cleanup;
   friend struct task_cleanup;
@@ -199,6 +207,9 @@ private:
 
   // The concurrency hint used to initialise the scheduler.
   const int concurrency_hint_;
+
+  // The thread that is running the scheduler.
+  asio::detail::thread* thread_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/scheduler_operation.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/scheduler_operation.hpp
index 444a9ed..6f4c5df 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/scheduler_operation.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/scheduler_operation.hpp
@@ -2,7 +2,7 @@
 // detail/scheduler_operation.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/scheduler_thread_info.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/scheduler_thread_info.hpp
index 7309707..202ac0a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/scheduler_thread_info.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/scheduler_thread_info.hpp
@@ -2,7 +2,7 @@
 // detail/scheduler_thread_info.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/scoped_lock.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/scoped_lock.hpp
index 0c89ec5..94d4966 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/scoped_lock.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/scoped_lock.hpp
@@ -2,7 +2,7 @@
 // detail/scoped_lock.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/scoped_ptr.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/scoped_ptr.hpp
index b1ea0c4..1fff741 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/scoped_ptr.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/scoped_ptr.hpp
@@ -2,7 +2,7 @@
 // detail/scoped_ptr.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/select_interrupter.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/select_interrupter.hpp
index 88b4337..52d1629 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/select_interrupter.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/select_interrupter.hpp
@@ -2,7 +2,7 @@
 // detail/select_interrupter.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/select_reactor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/select_reactor.hpp
index 7faa258..be4d02c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/select_reactor.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/select_reactor.hpp
@@ -2,7 +2,7 @@
 // detail/select_reactor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/service_registry.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/service_registry.hpp
index 3970a28..edced40 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/service_registry.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/service_registry.hpp
@@ -2,7 +2,7 @@
 // detail/service_registry.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/signal_blocker.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/signal_blocker.hpp
index a694888..4fdfc6a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/signal_blocker.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/signal_blocker.hpp
@@ -2,7 +2,7 @@
 // detail/signal_blocker.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/signal_handler.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/signal_handler.hpp
index fa69090..e5176f0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/signal_handler.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/signal_handler.hpp
@@ -2,7 +2,7 @@
 // detail/signal_handler.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -29,17 +29,18 @@
 namespace asio {
 namespace detail {
 
-template <typename Handler>
+template <typename Handler, typename IoExecutor>
 class signal_handler : public signal_op
 {
 public:
   ASIO_DEFINE_HANDLER_PTR(signal_handler);
 
-  signal_handler(Handler& h)
+  signal_handler(Handler& h, const IoExecutor& io_ex)
     : signal_op(&signal_handler::do_complete),
-      handler_(ASIO_MOVE_CAST(Handler)(h))
+      handler_(ASIO_MOVE_CAST(Handler)(h)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -49,7 +50,7 @@ public:
     // Take ownership of the handler object.
     signal_handler* h(static_cast<signal_handler*>(base));
     ptr p = { asio::detail::addressof(h->handler_), h, h };
-    handler_work<Handler> w(h->handler_);
+    handler_work<Handler, IoExecutor> w(h->handler_, h->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*h));
 
@@ -76,6 +77,7 @@ public:
 
 private:
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/signal_init.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/signal_init.hpp
index 7c96f83..8d99197 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/signal_init.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/signal_init.hpp
@@ -2,7 +2,7 @@
 // detail/signal_init.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/signal_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/signal_op.hpp
index 8c42efb..7ca5cbd 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/signal_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/signal_op.hpp
@@ -2,7 +2,7 @@
 // detail/signal_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/signal_set_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/signal_set_service.hpp
index 301fb8c..d4efe9c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/signal_set_service.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/signal_set_service.hpp
@@ -2,7 +2,7 @@
 // detail/signal_set_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -20,7 +20,7 @@
 #include <cstddef>
 #include <signal.h>
 #include "asio/error.hpp"
-#include "asio/io_context.hpp"
+#include "asio/execution_context.hpp"
 #include "asio/detail/handler_alloc_helpers.hpp"
 #include "asio/detail/memory.hpp"
 #include "asio/detail/op_queue.hpp"
@@ -28,6 +28,12 @@
 #include "asio/detail/signal_op.hpp"
 #include "asio/detail/socket_types.hpp"
 
+#if defined(ASIO_HAS_IOCP)
+# include "asio/detail/win_iocp_io_context.hpp"
+#else // defined(ASIO_HAS_IOCP)
+# include "asio/detail/scheduler.hpp"
+#endif // defined(ASIO_HAS_IOCP)
+
 #if !defined(ASIO_WINDOWS) && !defined(__CYGWIN__)
 # include "asio/detail/reactor.hpp"
 #endif // !defined(ASIO_WINDOWS) && !defined(__CYGWIN__)
@@ -48,7 +54,7 @@ extern ASIO_DECL struct signal_state* get_signal_state();
 extern "C" ASIO_DECL void asio_signal_handler(int signal_number);
 
 class signal_set_service :
-  public service_base<signal_set_service>
+  public execution_context_service_base<signal_set_service>
 {
 public:
   // Type used for tracking an individual signal registration.
@@ -109,7 +115,7 @@ public:
   };
 
   // Constructor.
-  ASIO_DECL signal_set_service(asio::io_context& io_context);
+  ASIO_DECL signal_set_service(execution_context& context);
 
   // Destructor.
   ASIO_DECL ~signal_set_service();
@@ -119,7 +125,7 @@ public:
 
   // Perform fork-related housekeeping.
   ASIO_DECL void notify_fork(
-      asio::io_context::fork_event fork_ev);
+      asio::execution_context::fork_event fork_ev);
 
   // Construct a new signal_set implementation.
   ASIO_DECL void construct(implementation_type& impl);
@@ -144,16 +150,17 @@ public:
       asio::error_code& ec);
 
   // Start an asynchronous operation to wait for a signal to be delivered.
-  template <typename Handler>
-  void async_wait(implementation_type& impl, Handler& handler)
+  template <typename Handler, typename IoExecutor>
+  void async_wait(implementation_type& impl,
+      Handler& handler, const IoExecutor& io_ex)
   {
     // Allocate and construct an operation to wrap the handler.
-    typedef signal_handler<Handler> op;
+    typedef signal_handler<Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(handler);
+    p.p = new (p.v) op(handler, io_ex);
 
-    ASIO_HANDLER_CREATION((io_context_.context(),
+    ASIO_HANDLER_CREATION((scheduler_.context(),
           *p.p, "signal_set", &impl, 0, "async_wait"));
 
     start_wait_op(impl, p.p);
@@ -179,8 +186,13 @@ private:
   // Helper function to start a wait operation.
   ASIO_DECL void start_wait_op(implementation_type& impl, signal_op* op);
 
-  // The io_context instance used for dispatching handlers.
-  io_context_impl& io_context_;
+  // The scheduler used for dispatching handlers.
+#if defined(ASIO_HAS_IOCP)
+  typedef class win_iocp_io_context scheduler_impl;
+#else
+  typedef class scheduler scheduler_impl;
+#endif
+  scheduler_impl& scheduler_;
 
 #if !defined(ASIO_WINDOWS) \
   && !defined(ASIO_WINDOWS_RUNTIME) \
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/socket_holder.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/socket_holder.hpp
index 4688f23..aaa6e2d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/socket_holder.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/socket_holder.hpp
@@ -2,7 +2,7 @@
 // detail/socket_holder.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/socket_ops.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/socket_ops.hpp
index b1fe32a..4b94e1f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/socket_ops.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/socket_ops.hpp
@@ -2,7 +2,7 @@
 // detail/socket_ops.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/socket_option.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/socket_option.hpp
index c5cdd82..682c9aa 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/socket_option.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/socket_option.hpp
@@ -2,7 +2,7 @@
 // detail/socket_option.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/socket_select_interrupter.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/socket_select_interrupter.hpp
index 7f7fc17..f2dfa4e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/socket_select_interrupter.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/socket_select_interrupter.hpp
@@ -2,7 +2,7 @@
 // detail/socket_select_interrupter.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/socket_types.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/socket_types.hpp
index 6aab433..2617d4c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/socket_types.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/socket_types.hpp
@@ -2,7 +2,7 @@
 // detail/socket_types.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/solaris_fenced_block.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/solaris_fenced_block.hpp
index d65532f..f7b9f94 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/solaris_fenced_block.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/solaris_fenced_block.hpp
@@ -2,7 +2,7 @@
 // detail/solaris_fenced_block.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/static_mutex.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/static_mutex.hpp
index 7875dce..6e598e6 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/static_mutex.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/static_mutex.hpp
@@ -2,7 +2,7 @@
 // detail/static_mutex.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/std_event.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/std_event.hpp
index 11da013..4252a9e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/std_event.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/std_event.hpp
@@ -2,7 +2,7 @@
 // detail/std_event.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/std_fenced_block.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/std_fenced_block.hpp
index 49b3101..a6ddbc8 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/std_fenced_block.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/std_fenced_block.hpp
@@ -2,7 +2,7 @@
 // detail/std_fenced_block.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/std_global.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/std_global.hpp
index e589431..0b7eec0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/std_global.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/std_global.hpp
@@ -2,7 +2,7 @@
 // detail/std_global.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/std_mutex.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/std_mutex.hpp
index 7b185aa..69509a3 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/std_mutex.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/std_mutex.hpp
@@ -2,7 +2,7 @@
 // detail/std_mutex.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/std_static_mutex.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/std_static_mutex.hpp
index 485a8d1..c92acf9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/std_static_mutex.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/std_static_mutex.hpp
@@ -2,7 +2,7 @@
 // detail/std_static_mutex.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/std_thread.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/std_thread.hpp
index 8d144ab..a73a6f9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/std_thread.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/std_thread.hpp
@@ -2,7 +2,7 @@
 // detail/std_thread.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/strand_executor_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/strand_executor_service.hpp
index 02de974..dd513cb 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/strand_executor_service.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/strand_executor_service.hpp
@@ -2,7 +2,7 @@
 // detail/strand_executor_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -52,6 +52,10 @@ public:
     // itself has been scheduled in order to invoke some pending handlers.
     bool locked_;
 
+    // Indicates that the strand has been shut down and will accept no further
+    // handlers.
+    bool shutdown_;
+
     // The handlers that are waiting on the strand but should not be run until
     // after the next time the strand is scheduled. This queue must only be
     // modified while the mutex is locked.
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/strand_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/strand_service.hpp
index eb72607..2c9c7c9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/strand_service.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/strand_service.hpp
@@ -2,7 +2,7 @@
 // detail/strand_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/string_view.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/string_view.hpp
index 222c021..d59bf8a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/string_view.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/string_view.hpp
@@ -2,7 +2,7 @@
 // detail/string_view.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -17,29 +17,31 @@
 
 #include "asio/detail/config.hpp"
 
-#if defined(ASIO_HAS_STD_STRING_VIEW)
+#if defined(ASIO_HAS_STRING_VIEW)
 
-#if defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
-# include <experimental/string_view>
-#else // defined(ASIO_HAS_EXPERIMENTAL_STRING_VIEW)
+#if defined(ASIO_HAS_STD_STRING_VIEW)
 # include <string_view>
-#endif // defined(ASIO_HAS_EXPERIMENTAL_STRING_VIEW)
+#elif defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+# include <experimental/string_view>
+#else // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+# error ASIO_HAS_STRING_VIEW is set but no string_view is available
+#endif // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
 
 namespace asio {
 
-#if defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
-using std::experimental::basic_string_view;
-using std::experimental::string_view;
-#else // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+#if defined(ASIO_HAS_STD_STRING_VIEW)
 using std::basic_string_view;
 using std::string_view;
+#elif defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+using std::experimental::basic_string_view;
+using std::experimental::string_view;
 #endif // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
 
 } // namespace asio
 
 # define ASIO_STRING_VIEW_PARAM asio::string_view
-#else // defined(ASIO_HAS_STD_STRING_VIEW)
+#else // defined(ASIO_HAS_STRING_VIEW)
 # define ASIO_STRING_VIEW_PARAM const std::string&
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
 
 #endif // ASIO_DETAIL_STRING_VIEW_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/thread.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/thread.hpp
index dc98675..fe09804 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/thread.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/thread.hpp
@@ -2,7 +2,7 @@
 // detail/thread.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/thread_context.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/thread_context.hpp
index c0fd06d..be3e839 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/thread_context.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/thread_context.hpp
@@ -2,7 +2,7 @@
 // detail/thread_context.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/thread_group.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/thread_group.hpp
index 6e62ded..11bc14c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/thread_group.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/thread_group.hpp
@@ -2,7 +2,7 @@
 // detail/thread_group.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -64,6 +64,12 @@ public:
     }
   }
 
+  // Test whether the group is empty.
+  bool empty() const
+  {
+    return first_ == 0;
+  }
+
 private:
   // Structure used to track a single thread in the group.
   struct item
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/thread_info_base.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/thread_info_base.hpp
index 4ae8d92..8bc809b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/thread_info_base.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/thread_info_base.hpp
@@ -2,7 +2,7 @@
 // detail/thread_info_base.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -28,25 +28,55 @@ class thread_info_base
   : private noncopyable
 {
 public:
-  thread_info_base()
-    : reusable_memory_(0)
+  struct default_tag
   {
+    enum { mem_index = 0 };
+  };
+
+  struct awaitable_frame_tag
+  {
+    enum { mem_index = 1 };
+  };
+
+  struct executor_function_tag
+  {
+    enum { mem_index = 2 };
+  };
+
+  thread_info_base()
+  {
+    for (int i = 0; i < max_mem_index; ++i)
+      reusable_memory_[i] = 0;
   }
 
   ~thread_info_base()
   {
-    if (reusable_memory_)
-      ::operator delete(reusable_memory_);
+    for (int i = 0; i < max_mem_index; ++i)
+      if (reusable_memory_[i])
+        ::operator delete(reusable_memory_[i]);
   }
 
   static void* allocate(thread_info_base* this_thread, std::size_t size)
+  {
+    return allocate(default_tag(), this_thread, size);
+  }
+
+  static void deallocate(thread_info_base* this_thread,
+      void* pointer, std::size_t size)
+  {
+    deallocate(default_tag(), this_thread, pointer, size);
+  }
+
+  template <typename Purpose>
+  static void* allocate(Purpose, thread_info_base* this_thread,
+      std::size_t size)
   {
     std::size_t chunks = (size + chunk_size - 1) / chunk_size;
 
-    if (this_thread && this_thread->reusable_memory_)
+    if (this_thread && this_thread->reusable_memory_[Purpose::mem_index])
     {
-      void* const pointer = this_thread->reusable_memory_;
-      this_thread->reusable_memory_ = 0;
+      void* const pointer = this_thread->reusable_memory_[Purpose::mem_index];
+      this_thread->reusable_memory_[Purpose::mem_index] = 0;
 
       unsigned char* const mem = static_cast<unsigned char*>(pointer);
       if (static_cast<std::size_t>(mem[0]) >= chunks)
@@ -64,16 +94,17 @@ public:
     return pointer;
   }
 
-  static void deallocate(thread_info_base* this_thread,
+  template <typename Purpose>
+  static void deallocate(Purpose, thread_info_base* this_thread,
       void* pointer, std::size_t size)
   {
     if (size <= chunk_size * UCHAR_MAX)
     {
-      if (this_thread && this_thread->reusable_memory_ == 0)
+      if (this_thread && this_thread->reusable_memory_[Purpose::mem_index] == 0)
       {
         unsigned char* const mem = static_cast<unsigned char*>(pointer);
         mem[0] = mem[size];
-        this_thread->reusable_memory_ = pointer;
+        this_thread->reusable_memory_[Purpose::mem_index] = pointer;
         return;
       }
     }
@@ -83,7 +114,8 @@ public:
 
 private:
   enum { chunk_size = 4 };
-  void* reusable_memory_;
+  enum { max_mem_index = 3 };
+  void* reusable_memory_[max_mem_index];
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/throw_error.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/throw_error.hpp
index e4dba07..cbeb77a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/throw_error.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/throw_error.hpp
@@ -2,7 +2,7 @@
 // detail/throw_error.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/throw_exception.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/throw_exception.hpp
index b401e10..1680aee 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/throw_exception.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/throw_exception.hpp
@@ -2,7 +2,7 @@
 // detail/throw_exception.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/timer_queue.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/timer_queue.hpp
index db5c33d..015d0cd 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/timer_queue.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/timer_queue.hpp
@@ -2,7 +2,7 @@
 // detail/timer_queue.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -266,11 +266,13 @@ private:
     {
       if (index == heap_.size() - 1)
       {
+        timer.heap_index_ = (std::numeric_limits<std::size_t>::max)();
         heap_.pop_back();
       }
       else
       {
         swap_heap(index, heap_.size() - 1);
+        timer.heap_index_ = (std::numeric_limits<std::size_t>::max)();
         heap_.pop_back();
         if (index > 0 && Time_Traits::less_than(
               heap_[index].time_, heap_[(index - 1) / 2].time_))
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/timer_queue_base.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/timer_queue_base.hpp
index e0a3f0b..f0ea359 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/timer_queue_base.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/timer_queue_base.hpp
@@ -2,7 +2,7 @@
 // detail/timer_queue_base.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/timer_queue_ptime.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/timer_queue_ptime.hpp
index 40b3cb0..a67adeb 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/timer_queue_ptime.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/timer_queue_ptime.hpp
@@ -2,7 +2,7 @@
 // detail/timer_queue_ptime.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/timer_queue_set.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/timer_queue_set.hpp
index 4c20b6f..51a507c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/timer_queue_set.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/timer_queue_set.hpp
@@ -2,7 +2,7 @@
 // detail/timer_queue_set.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/timer_scheduler.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/timer_scheduler.hpp
index 8f76fbb..471e738 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/timer_scheduler.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/timer_scheduler.hpp
@@ -2,7 +2,7 @@
 // detail/timer_scheduler.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/timer_scheduler_fwd.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/timer_scheduler_fwd.hpp
index 1fbe9fe..eaf07df 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/timer_scheduler_fwd.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/timer_scheduler_fwd.hpp
@@ -2,7 +2,7 @@
 // detail/timer_scheduler_fwd.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/tss_ptr.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/tss_ptr.hpp
index 3362719..d9903dc 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/tss_ptr.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/tss_ptr.hpp
@@ -2,7 +2,7 @@
 // detail/tss_ptr.hpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/type_traits.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/type_traits.hpp
index 5163771..a2b1531 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/type_traits.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/type_traits.hpp
@@ -2,7 +2,7 @@
 // detail/type_traits.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -53,7 +53,13 @@ using std::is_function;
 using std::is_same;
 using std::remove_pointer;
 using std::remove_reference;
+#if defined(ASIO_HAS_STD_INVOKE_RESULT)
+template <typename> struct result_of;
+template <typename F, typename... Args>
+struct result_of<F(Args...)> : std::invoke_result<F, Args...> {};
+#else // defined(ASIO_HAS_STD_INVOKE_RESULT)
 using std::result_of;
+#endif // defined(ASIO_HAS_STD_INVOKE_RESULT)
 using std::true_type;
 #else // defined(ASIO_HAS_STD_TYPE_TRAITS)
 using boost::add_const;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/variadic_templates.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/variadic_templates.hpp
index 9cb4ca3..856da3d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/variadic_templates.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/variadic_templates.hpp
@@ -2,7 +2,7 @@
 // detail/variadic_templates.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -58,6 +58,20 @@
 # define ASIO_VARIADIC_BYVAL_ARGS_4 x1, x2, x3, x4
 # define ASIO_VARIADIC_BYVAL_ARGS_5 x1, x2, x3, x4, x5
 
+# define ASIO_VARIADIC_CONSTREF_PARAMS(n) \
+  ASIO_VARIADIC_CONSTREF_PARAMS_##n
+
+# define ASIO_VARIADIC_CONSTREF_PARAMS_1 \
+  const T1& x1
+# define ASIO_VARIADIC_CONSTREF_PARAMS_2 \
+  const T1& x1, const T2& x2
+# define ASIO_VARIADIC_CONSTREF_PARAMS_3 \
+  const T1& x1, const T2& x2, const T3& x3
+# define ASIO_VARIADIC_CONSTREF_PARAMS_4 \
+  const T1& x1, const T2& x2, const T3& x3, const T4& x4
+# define ASIO_VARIADIC_CONSTREF_PARAMS_5 \
+  const T1& x1, const T2& x2, const T3& x3, const T4& x4, const T5& x5
+
 # define ASIO_VARIADIC_MOVE_PARAMS(n) \
   ASIO_VARIADIC_MOVE_PARAMS_##n
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/wait_handler.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/wait_handler.hpp
index 9f02477..be49a96 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/wait_handler.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/wait_handler.hpp
@@ -2,7 +2,7 @@
 // detail/wait_handler.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -19,26 +19,27 @@
 #include "asio/detail/fenced_block.hpp"
 #include "asio/detail/handler_alloc_helpers.hpp"
 #include "asio/detail/handler_invoke_helpers.hpp"
+#include "asio/detail/handler_work.hpp"
 #include "asio/detail/memory.hpp"
 #include "asio/detail/wait_op.hpp"
-#include "asio/io_context.hpp"
 
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
 namespace detail {
 
-template <typename Handler>
+template <typename Handler, typename IoExecutor>
 class wait_handler : public wait_op
 {
 public:
   ASIO_DEFINE_HANDLER_PTR(wait_handler);
 
-  wait_handler(Handler& h)
+  wait_handler(Handler& h, const IoExecutor& ex)
     : wait_op(&wait_handler::do_complete),
-      handler_(ASIO_MOVE_CAST(Handler)(h))
+      handler_(ASIO_MOVE_CAST(Handler)(h)),
+      io_executor_(ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -48,7 +49,7 @@ public:
     // Take ownership of the handler object.
     wait_handler* h(static_cast<wait_handler*>(base));
     ptr p = { asio::detail::addressof(h->handler_), h, h };
-    handler_work<Handler> w(h->handler_);
+    handler_work<Handler, IoExecutor> w(h->handler_, h->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*h));
 
@@ -75,6 +76,7 @@ public:
 
 private:
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/wait_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/wait_op.hpp
index d6e5be9..a443ceb 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/wait_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/wait_op.hpp
@@ -2,7 +2,7 @@
 // detail/wait_op.hpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_event.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_event.hpp
index ee2e743..678b290 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_event.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_event.hpp
@@ -2,7 +2,7 @@
 // detail/win_event.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_fd_set_adapter.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_fd_set_adapter.hpp
index 78d7d1c..cc8bde9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_fd_set_adapter.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_fd_set_adapter.hpp
@@ -2,7 +2,7 @@
 // detail/win_fd_set_adapter.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_fenced_block.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_fenced_block.hpp
index 0e2c59c..9fa8465 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_fenced_block.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_fenced_block.hpp
@@ -2,7 +2,7 @@
 // detail/win_fenced_block.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_global.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_global.hpp
index c6aea0f..b2036e7 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_global.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_global.hpp
@@ -2,7 +2,7 @@
 // detail/win_global.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -58,7 +58,8 @@ T& win_global()
   {
     win_global_impl<T>::mutex_.init();
     static_mutex::scoped_lock lock(win_global_impl<T>::mutex_);
-    win_global_impl<T>::ptr_ = new T;
+    if (win_global_impl<T>::ptr_ == 0)
+      win_global_impl<T>::ptr_ = new T;
     win_global_impl<T>::tss_ptr_ = win_global_impl<T>::ptr_;
   }
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_handle_read_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_handle_read_op.hpp
index 16afc21..a54e360 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_handle_read_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_handle_read_op.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_handle_read_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -34,19 +34,20 @@
 namespace asio {
 namespace detail {
 
-template <typename MutableBufferSequence, typename Handler>
+template <typename MutableBufferSequence, typename Handler, typename IoExecutor>
 class win_iocp_handle_read_op : public operation
 {
 public:
   ASIO_DEFINE_HANDLER_PTR(win_iocp_handle_read_op);
 
-  win_iocp_handle_read_op(
-      const MutableBufferSequence& buffers, Handler& handler)
+  win_iocp_handle_read_op(const MutableBufferSequence& buffers,
+      Handler& handler, const IoExecutor& io_ex)
     : operation(&win_iocp_handle_read_op::do_complete),
       buffers_(buffers),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -58,7 +59,7 @@ public:
     // Take ownership of the operation object.
     win_iocp_handle_read_op* o(static_cast<win_iocp_handle_read_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*o));
 
@@ -99,6 +100,7 @@ public:
 private:
   MutableBufferSequence buffers_;
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_handle_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_handle_service.hpp
index 37358c8..6327454 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_handle_service.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_handle_service.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_handle_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -21,7 +21,7 @@
 #if defined(ASIO_HAS_IOCP)
 
 #include "asio/error.hpp"
-#include "asio/io_context.hpp"
+#include "asio/execution_context.hpp"
 #include "asio/detail/buffer_sequence_adapter.hpp"
 #include "asio/detail/cstdint.hpp"
 #include "asio/detail/handler_alloc_helpers.hpp"
@@ -38,7 +38,7 @@ namespace asio {
 namespace detail {
 
 class win_iocp_handle_service :
-  public service_base<win_iocp_handle_service>
+  public execution_context_service_base<win_iocp_handle_service>
 {
 public:
   // The native type of a stream handle.
@@ -75,7 +75,7 @@ public:
     implementation_type* prev_;
   };
 
-  ASIO_DECL win_iocp_handle_service(asio::io_context& io_context);
+  ASIO_DECL win_iocp_handle_service(execution_context& context);
 
   // Destroy all user-defined handler objects owned by the service.
   ASIO_DECL void shutdown();
@@ -142,15 +142,17 @@ public:
 
   // Start an asynchronous write. The data being written must be valid for the
   // lifetime of the asynchronous operation.
-  template <typename ConstBufferSequence, typename Handler>
+  template <typename ConstBufferSequence, typename Handler, typename IoExecutor>
   void async_write_some(implementation_type& impl,
-      const ConstBufferSequence& buffers, Handler& handler)
+      const ConstBufferSequence& buffers,
+      Handler& handler, const IoExecutor& io_ex)
   {
     // Allocate and construct an operation to wrap the handler.
-    typedef win_iocp_handle_write_op<ConstBufferSequence, Handler> op;
+    typedef win_iocp_handle_write_op<
+        ConstBufferSequence, Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(buffers, handler);
+    p.p = new (p.v) op(buffers, handler, io_ex);
 
     ASIO_HANDLER_CREATION((iocp_service_.context(), *p.p, "handle", &impl,
           reinterpret_cast<uintmax_t>(impl.handle_), "async_write_some"));
@@ -163,15 +165,17 @@ public:
 
   // Start an asynchronous write at a specified offset. The data being written
   // must be valid for the lifetime of the asynchronous operation.
-  template <typename ConstBufferSequence, typename Handler>
-  void async_write_some_at(implementation_type& impl, uint64_t offset,
-      const ConstBufferSequence& buffers, Handler& handler)
+  template <typename ConstBufferSequence, typename Handler, typename IoExecutor>
+  void async_write_some_at(implementation_type& impl,
+      uint64_t offset, const ConstBufferSequence& buffers,
+      Handler& handler, const IoExecutor& io_ex)
   {
     // Allocate and construct an operation to wrap the handler.
-    typedef win_iocp_handle_write_op<ConstBufferSequence, Handler> op;
+    typedef win_iocp_handle_write_op<
+        ConstBufferSequence, Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(buffers, handler);
+    p.p = new (p.v) op(buffers, handler, io_ex);
 
     ASIO_HANDLER_CREATION((iocp_service_.context(), *p.p, "handle", &impl,
           reinterpret_cast<uintmax_t>(impl.handle_), "async_write_some_at"));
@@ -204,15 +208,18 @@ public:
 
   // Start an asynchronous read. The buffer for the data being received must be
   // valid for the lifetime of the asynchronous operation.
-  template <typename MutableBufferSequence, typename Handler>
+  template <typename MutableBufferSequence,
+      typename Handler, typename IoExecutor>
   void async_read_some(implementation_type& impl,
-      const MutableBufferSequence& buffers, Handler& handler)
+      const MutableBufferSequence& buffers,
+      Handler& handler, const IoExecutor& io_ex)
   {
     // Allocate and construct an operation to wrap the handler.
-    typedef win_iocp_handle_read_op<MutableBufferSequence, Handler> op;
+    typedef win_iocp_handle_read_op<
+        MutableBufferSequence, Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(buffers, handler);
+    p.p = new (p.v) op(buffers, handler, io_ex);
 
     ASIO_HANDLER_CREATION((iocp_service_.context(), *p.p, "handle", &impl,
           reinterpret_cast<uintmax_t>(impl.handle_), "async_read_some"));
@@ -226,15 +233,18 @@ public:
   // Start an asynchronous read at a specified offset. The buffer for the data
   // being received must be valid for the lifetime of the asynchronous
   // operation.
-  template <typename MutableBufferSequence, typename Handler>
-  void async_read_some_at(implementation_type& impl, uint64_t offset,
-      const MutableBufferSequence& buffers, Handler& handler)
+  template <typename MutableBufferSequence,
+      typename Handler, typename IoExecutor>
+  void async_read_some_at(implementation_type& impl,
+      uint64_t offset, const MutableBufferSequence& buffers,
+      Handler& handler, const IoExecutor& io_ex)
   {
     // Allocate and construct an operation to wrap the handler.
-    typedef win_iocp_handle_read_op<MutableBufferSequence, Handler> op;
+    typedef win_iocp_handle_read_op<
+        MutableBufferSequence, Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(buffers, handler);
+    p.p = new (p.v) op(buffers, handler, io_ex);
 
     ASIO_HANDLER_CREATION((iocp_service_.context(), *p.p, "handle", &impl,
           reinterpret_cast<uintmax_t>(impl.handle_), "async_read_some_at"));
@@ -251,22 +261,24 @@ private:
       const null_buffers& buffers, asio::error_code& ec);
   size_t write_some_at(implementation_type& impl, uint64_t offset,
       const null_buffers& buffers, asio::error_code& ec);
-  template <typename Handler>
+  template <typename Handler, typename IoExecutor>
   void async_write_some(implementation_type& impl,
-      const null_buffers& buffers, Handler& handler);
-  template <typename Handler>
+      const null_buffers& buffers, Handler& handler,
+      const IoExecutor& io_ex);
+  template <typename Handler, typename IoExecutor>
   void async_write_some_at(implementation_type& impl, uint64_t offset,
-      const null_buffers& buffers, Handler& handler);
+      const null_buffers& buffers, Handler& handler, const IoExecutor& io_ex);
   size_t read_some(implementation_type& impl,
       const null_buffers& buffers, asio::error_code& ec);
   size_t read_some_at(implementation_type& impl, uint64_t offset,
       const null_buffers& buffers, asio::error_code& ec);
-  template <typename Handler>
+  template <typename Handler, typename IoExecutor>
   void async_read_some(implementation_type& impl,
-      const null_buffers& buffers, Handler& handler);
-  template <typename Handler>
+      const null_buffers& buffers, Handler& handler,
+      const IoExecutor& io_ex);
+  template <typename Handler, typename IoExecutor>
   void async_read_some_at(implementation_type& impl, uint64_t offset,
-      const null_buffers& buffers, Handler& handler);
+      const null_buffers& buffers, Handler& handler, const IoExecutor& io_ex);
 
   // Helper class for waiting for synchronous operations to complete.
   class overlapped_wrapper;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_handle_write_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_handle_write_op.hpp
index 590180d..9bb8814 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_handle_write_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_handle_write_op.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_handle_write_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -34,18 +34,20 @@
 namespace asio {
 namespace detail {
 
-template <typename ConstBufferSequence, typename Handler>
+template <typename ConstBufferSequence, typename Handler, typename IoExecutor>
 class win_iocp_handle_write_op : public operation
 {
 public:
   ASIO_DEFINE_HANDLER_PTR(win_iocp_handle_write_op);
 
-  win_iocp_handle_write_op(const ConstBufferSequence& buffers, Handler& handler)
+  win_iocp_handle_write_op(const ConstBufferSequence& buffers,
+      Handler& handler, const IoExecutor& io_ex)
     : operation(&win_iocp_handle_write_op::do_complete),
       buffers_(buffers),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -54,7 +56,7 @@ public:
     // Take ownership of the operation object.
     win_iocp_handle_write_op* o(static_cast<win_iocp_handle_write_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*o));
 
@@ -91,6 +93,7 @@ public:
 private:
   ConstBufferSequence buffers_;
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_io_context.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_io_context.hpp
index c6a8d2b..e209416 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_io_context.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_io_context.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_io_context.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -48,7 +48,10 @@ public:
   // Constructor. Specifies a concurrency hint that is passed through to the
   // underlying I/O completion port.
   ASIO_DECL win_iocp_io_context(asio::execution_context& ctx,
-      int concurrency_hint = -1);
+      int concurrency_hint = -1, bool own_thread = true);
+
+  // Destructor.
+  ASIO_DECL ~win_iocp_io_context();
 
   // Destroy all user-defined handler objects owned by the service.
   ASIO_DECL void shutdown();
@@ -287,6 +290,10 @@ private:
   // Timeout to use with GetQueuedCompletionStatus.
   const DWORD gqcs_timeout_;
 
+  // Helper class to run the scheduler in its own thread.
+  struct thread_function;
+  friend struct thread_function;
+
   // Function object for processing timeouts in a background thread.
   struct timer_thread_function;
   friend struct timer_thread_function;
@@ -311,6 +318,9 @@ private:
 
   // The concurrency hint used to initialise the io_context.
   const int concurrency_hint_;
+
+  // The thread that is running the io_context.
+  scoped_ptr<thread> thread_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_null_buffers_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_null_buffers_op.hpp
index 1502bf2..99a3166 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_null_buffers_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_null_buffers_op.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_null_buffers_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -34,20 +34,21 @@
 namespace asio {
 namespace detail {
 
-template <typename Handler>
+template <typename Handler, typename IoExecutor>
 class win_iocp_null_buffers_op : public reactor_op
 {
 public:
   ASIO_DEFINE_HANDLER_PTR(win_iocp_null_buffers_op);
 
   win_iocp_null_buffers_op(socket_ops::weak_cancel_token_type cancel_token,
-      Handler& handler)
+      Handler& handler, const IoExecutor& io_ex)
     : reactor_op(&win_iocp_null_buffers_op::do_perform,
         &win_iocp_null_buffers_op::do_complete),
       cancel_token_(cancel_token),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static status do_perform(reactor_op*)
@@ -64,7 +65,7 @@ public:
     // Take ownership of the operation object.
     win_iocp_null_buffers_op* o(static_cast<win_iocp_null_buffers_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*o));
 
@@ -109,6 +110,7 @@ public:
 private:
   socket_ops::weak_cancel_token_type cancel_token_;
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_operation.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_operation.hpp
index 9e14d14..34d3198 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_operation.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_operation.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_operation.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_overlapped_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_overlapped_op.hpp
index 1121a1f..5a28acf 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_overlapped_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_overlapped_op.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_overlapped_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -32,17 +32,18 @@
 namespace asio {
 namespace detail {
 
-template <typename Handler>
+template <typename Handler, typename IoExecutor>
 class win_iocp_overlapped_op : public operation
 {
 public:
   ASIO_DEFINE_HANDLER_PTR(win_iocp_overlapped_op);
 
-  win_iocp_overlapped_op(Handler& handler)
+  win_iocp_overlapped_op(Handler& handler, const IoExecutor& io_ex)
     : operation(&win_iocp_overlapped_op::do_complete),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -51,7 +52,7 @@ public:
     // Take ownership of the operation object.
     win_iocp_overlapped_op* o(static_cast<win_iocp_overlapped_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*o));
 
@@ -78,6 +79,7 @@ public:
 
 private:
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_overlapped_ptr.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_overlapped_ptr.hpp
index 130312d..e1ee5b0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_overlapped_ptr.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_overlapped_ptr.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_overlapped_ptr.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -21,6 +21,7 @@
 
 #include "asio/io_context.hpp"
 #include "asio/detail/handler_alloc_helpers.hpp"
+#include "asio/detail/io_object_executor.hpp"
 #include "asio/detail/memory.hpp"
 #include "asio/detail/noncopyable.hpp"
 #include "asio/detail/win_iocp_overlapped_op.hpp"
@@ -44,13 +45,13 @@ public:
   }
 
   // Construct an win_iocp_overlapped_ptr to contain the specified handler.
-  template <typename Handler>
-  explicit win_iocp_overlapped_ptr(
-      asio::io_context& io_context, ASIO_MOVE_ARG(Handler) handler)
+  template <typename Executor, typename Handler>
+  explicit win_iocp_overlapped_ptr(const Executor& ex,
+      ASIO_MOVE_ARG(Handler) handler)
     : ptr_(0),
       iocp_service_(0)
   {
-    this->reset(io_context, ASIO_MOVE_CAST(Handler)(handler));
+    this->reset(ex, ASIO_MOVE_CAST(Handler)(handler));
   }
 
   // Destructor automatically frees the OVERLAPPED object unless released.
@@ -73,22 +74,25 @@ public:
 
   // Reset to contain the specified handler, freeing any current OVERLAPPED
   // object.
-  template <typename Handler>
-  void reset(asio::io_context& io_context, Handler handler)
+  template <typename Executor, typename Handler>
+  void reset(const Executor& ex, Handler handler)
   {
-    typedef win_iocp_overlapped_op<Handler> op;
+    const bool native = is_same<Executor, io_context::executor_type>::value;
+    win_iocp_io_context* iocp_service = this->get_iocp_service(ex);
+
+    typedef win_iocp_overlapped_op<Handler, io_object_executor<Executor> > op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(handler);
+    p.p = new (p.v) op(handler, io_object_executor<Executor>(ex, native));
 
-    ASIO_HANDLER_CREATION((io_context, *p.p,
-          "io_context", &io_context.impl_, 0, "overlapped"));
+    ASIO_HANDLER_CREATION((ex.context(), *p.p,
+          "iocp_service", iocp_service, 0, "overlapped"));
 
-    io_context.impl_.work_started();
+    iocp_service->work_started();
     reset();
     ptr_ = p.p;
     p.v = p.p = 0;
-    iocp_service_ = &io_context.impl_;
+    iocp_service_ = iocp_service;
   }
 
   // Get the contained OVERLAPPED object.
@@ -129,6 +133,18 @@ public:
   }
 
 private:
+  template <typename Executor>
+  static win_iocp_io_context* get_iocp_service(const Executor& ex)
+  {
+    return &use_service<win_iocp_io_context>(ex.context());
+  }
+
+  static win_iocp_io_context* get_iocp_service(
+      const io_context::executor_type& ex)
+  {
+    return &ex.context().impl_;
+  }
+
   win_iocp_operation* ptr_;
   win_iocp_io_context* iocp_service_;
 };
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_serial_port_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_serial_port_service.hpp
index ca6fdc7..06ef407 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_serial_port_service.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_serial_port_service.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_serial_port_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -22,7 +22,7 @@
 
 #include <string>
 #include "asio/error.hpp"
-#include "asio/io_context.hpp"
+#include "asio/execution_context.hpp"
 #include "asio/detail/win_iocp_handle_service.hpp"
 
 #include "asio/detail/push_options.hpp"
@@ -32,7 +32,7 @@ namespace detail {
 
 // Extend win_iocp_handle_service to provide serial port support.
 class win_iocp_serial_port_service :
-  public service_base<win_iocp_serial_port_service>
+  public execution_context_service_base<win_iocp_serial_port_service>
 {
 public:
   // The native type of a serial port.
@@ -42,8 +42,7 @@ public:
   typedef win_iocp_handle_service::implementation_type implementation_type;
 
   // Constructor.
-  ASIO_DECL win_iocp_serial_port_service(
-      asio::io_context& io_context);
+  ASIO_DECL win_iocp_serial_port_service(execution_context& context);
 
   // Destroy all user-defined handler objects owned by the service.
   ASIO_DECL void shutdown();
@@ -151,11 +150,12 @@ public:
 
   // Start an asynchronous write. The data being written must be valid for the
   // lifetime of the asynchronous operation.
-  template <typename ConstBufferSequence, typename Handler>
+  template <typename ConstBufferSequence, typename Handler, typename IoExecutor>
   void async_write_some(implementation_type& impl,
-      const ConstBufferSequence& buffers, Handler& handler)
+      const ConstBufferSequence& buffers,
+      Handler& handler, const IoExecutor& io_ex)
   {
-    handle_service_.async_write_some(impl, buffers, handler);
+    handle_service_.async_write_some(impl, buffers, handler, io_ex);
   }
 
   // Read some data. Returns the number of bytes received.
@@ -168,11 +168,13 @@ public:
 
   // Start an asynchronous read. The buffer for the data being received must be
   // valid for the lifetime of the asynchronous operation.
-  template <typename MutableBufferSequence, typename Handler>
+  template <typename MutableBufferSequence,
+      typename Handler, typename IoExecutor>
   void async_read_some(implementation_type& impl,
-      const MutableBufferSequence& buffers, Handler& handler)
+      const MutableBufferSequence& buffers,
+      Handler& handler, const IoExecutor& io_ex)
   {
-    handle_service_.async_read_some(impl, buffers, handler);
+    handle_service_.async_read_some(impl, buffers, handler, io_ex);
   }
 
 private:
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_accept_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_accept_op.hpp
index b1a01bd..abd9b28 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_accept_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_accept_op.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_socket_accept_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -35,7 +35,8 @@
 namespace asio {
 namespace detail {
 
-template <typename Socket, typename Protocol, typename Handler>
+template <typename Socket, typename Protocol,
+    typename Handler, typename IoExecutor>
 class win_iocp_socket_accept_op : public operation
 {
 public:
@@ -44,7 +45,7 @@ public:
   win_iocp_socket_accept_op(win_iocp_socket_service_base& socket_service,
       socket_type socket, Socket& peer, const Protocol& protocol,
       typename Protocol::endpoint* peer_endpoint,
-      bool enable_connection_aborted, Handler& handler)
+      bool enable_connection_aborted, Handler& handler, const IoExecutor& io_ex)
     : operation(&win_iocp_socket_accept_op::do_complete),
       socket_service_(socket_service),
       socket_(socket),
@@ -52,9 +53,10 @@ public:
       protocol_(protocol),
       peer_endpoint_(peer_endpoint),
       enable_connection_aborted_(enable_connection_aborted),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   socket_holder& new_socket()
@@ -81,7 +83,7 @@ public:
     // Take ownership of the operation object.
     win_iocp_socket_accept_op* o(static_cast<win_iocp_socket_accept_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     if (owner)
     {
@@ -155,11 +157,13 @@ private:
   unsigned char output_buffer_[(sizeof(sockaddr_storage_type) + 16) * 2];
   bool enable_connection_aborted_;
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 #if defined(ASIO_HAS_MOVE)
 
-template <typename Protocol, typename Handler>
+template <typename Protocol, typename PeerIoExecutor,
+    typename Handler, typename IoExecutor>
 class win_iocp_socket_move_accept_op : public operation
 {
 public:
@@ -167,19 +171,20 @@ public:
 
   win_iocp_socket_move_accept_op(
       win_iocp_socket_service_base& socket_service, socket_type socket,
-      const Protocol& protocol, asio::io_context& peer_io_context,
+      const Protocol& protocol, const PeerIoExecutor& peer_io_ex,
       typename Protocol::endpoint* peer_endpoint,
-      bool enable_connection_aborted, Handler& handler)
+      bool enable_connection_aborted, Handler& handler, const IoExecutor& io_ex)
     : operation(&win_iocp_socket_move_accept_op::do_complete),
       socket_service_(socket_service),
       socket_(socket),
-      peer_(peer_io_context),
+      peer_(peer_io_ex),
       protocol_(protocol),
       peer_endpoint_(peer_endpoint),
       enable_connection_aborted_(enable_connection_aborted),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   socket_holder& new_socket()
@@ -207,7 +212,7 @@ public:
     win_iocp_socket_move_accept_op* o(
         static_cast<win_iocp_socket_move_accept_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     if (owner)
     {
@@ -283,6 +288,7 @@ private:
   unsigned char output_buffer_[(sizeof(sockaddr_storage_type) + 16) * 2];
   bool enable_connection_aborted_;
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 #endif // defined(ASIO_HAS_MOVE)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_connect_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_connect_op.hpp
index af5bc08..a836351 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_connect_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_connect_op.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_socket_connect_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -56,18 +56,20 @@ public:
   bool connect_ex_;
 };
 
-template <typename Handler>
+template <typename Handler, typename IoExecutor>
 class win_iocp_socket_connect_op : public win_iocp_socket_connect_op_base
 {
 public:
   ASIO_DEFINE_HANDLER_PTR(win_iocp_socket_connect_op);
 
-  win_iocp_socket_connect_op(socket_type socket, Handler& handler)
+  win_iocp_socket_connect_op(socket_type socket,
+      Handler& handler, const IoExecutor& io_ex)
     : win_iocp_socket_connect_op_base(socket,
         &win_iocp_socket_connect_op::do_complete),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -80,7 +82,7 @@ public:
     win_iocp_socket_connect_op* o(
         static_cast<win_iocp_socket_connect_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     if (owner)
     {
@@ -115,6 +117,7 @@ public:
 
 private:
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_recv_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_recv_op.hpp
index d82bd0c..7281705 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_recv_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_recv_op.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_socket_recv_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -34,7 +34,7 @@
 namespace asio {
 namespace detail {
 
-template <typename MutableBufferSequence, typename Handler>
+template <typename MutableBufferSequence, typename Handler, typename IoExecutor>
 class win_iocp_socket_recv_op : public operation
 {
 public:
@@ -42,14 +42,16 @@ public:
 
   win_iocp_socket_recv_op(socket_ops::state_type state,
       socket_ops::weak_cancel_token_type cancel_token,
-      const MutableBufferSequence& buffers, Handler& handler)
+      const MutableBufferSequence& buffers, Handler& handler,
+      const IoExecutor& io_ex)
     : operation(&win_iocp_socket_recv_op::do_complete),
       state_(state),
       cancel_token_(cancel_token),
       buffers_(buffers),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -61,7 +63,7 @@ public:
     // Take ownership of the operation object.
     win_iocp_socket_recv_op* o(static_cast<win_iocp_socket_recv_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*o));
 
@@ -105,6 +107,7 @@ private:
   socket_ops::weak_cancel_token_type cancel_token_;
   MutableBufferSequence buffers_;
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_recvfrom_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_recvfrom_op.hpp
index 071ce6e..551a882 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_recvfrom_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_recvfrom_op.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_socket_recvfrom_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -34,7 +34,8 @@
 namespace asio {
 namespace detail {
 
-template <typename MutableBufferSequence, typename Endpoint, typename Handler>
+template <typename MutableBufferSequence, typename Endpoint,
+    typename Handler, typename IoExecutor>
 class win_iocp_socket_recvfrom_op : public operation
 {
 public:
@@ -42,15 +43,17 @@ public:
 
   win_iocp_socket_recvfrom_op(Endpoint& endpoint,
       socket_ops::weak_cancel_token_type cancel_token,
-      const MutableBufferSequence& buffers, Handler& handler)
+      const MutableBufferSequence& buffers, Handler& handler,
+      const IoExecutor& io_ex)
     : operation(&win_iocp_socket_recvfrom_op::do_complete),
       endpoint_(endpoint),
       endpoint_size_(static_cast<int>(endpoint.capacity())),
       cancel_token_(cancel_token),
       buffers_(buffers),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   int& endpoint_size()
@@ -68,7 +71,7 @@ public:
     win_iocp_socket_recvfrom_op* o(
         static_cast<win_iocp_socket_recvfrom_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*o));
 
@@ -113,6 +116,7 @@ private:
   socket_ops::weak_cancel_token_type cancel_token_;
   MutableBufferSequence buffers_;
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_recvmsg_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_recvmsg_op.hpp
index a3760c1..8fb5d14 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_recvmsg_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_recvmsg_op.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_socket_recvmsg_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -35,7 +35,7 @@
 namespace asio {
 namespace detail {
 
-template <typename MutableBufferSequence, typename Handler>
+template <typename MutableBufferSequence, typename Handler, typename IoExecutor>
 class win_iocp_socket_recvmsg_op : public operation
 {
 public:
@@ -44,14 +44,16 @@ public:
   win_iocp_socket_recvmsg_op(
       socket_ops::weak_cancel_token_type cancel_token,
       const MutableBufferSequence& buffers,
-      socket_base::message_flags& out_flags, Handler& handler)
+      socket_base::message_flags& out_flags,
+      Handler& handler, const IoExecutor& io_ex)
     : operation(&win_iocp_socket_recvmsg_op::do_complete),
       cancel_token_(cancel_token),
       buffers_(buffers),
       out_flags_(out_flags),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -64,7 +66,7 @@ public:
     win_iocp_socket_recvmsg_op* o(
         static_cast<win_iocp_socket_recvmsg_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*o));
 
@@ -106,6 +108,7 @@ private:
   MutableBufferSequence buffers_;
   socket_base::message_flags& out_flags_;
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_send_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_send_op.hpp
index 7740763..45d7117 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_send_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_send_op.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_socket_send_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -34,20 +34,22 @@
 namespace asio {
 namespace detail {
 
-template <typename ConstBufferSequence, typename Handler>
+template <typename ConstBufferSequence, typename Handler, typename IoExecutor>
 class win_iocp_socket_send_op : public operation
 {
 public:
   ASIO_DEFINE_HANDLER_PTR(win_iocp_socket_send_op);
 
   win_iocp_socket_send_op(socket_ops::weak_cancel_token_type cancel_token,
-      const ConstBufferSequence& buffers, Handler& handler)
+      const ConstBufferSequence& buffers, Handler& handler,
+      const IoExecutor& io_ex)
     : operation(&win_iocp_socket_send_op::do_complete),
       cancel_token_(cancel_token),
       buffers_(buffers),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -59,7 +61,7 @@ public:
     // Take ownership of the operation object.
     win_iocp_socket_send_op* o(static_cast<win_iocp_socket_send_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*o));
 
@@ -99,6 +101,7 @@ private:
   socket_ops::weak_cancel_token_type cancel_token_;
   ConstBufferSequence buffers_;
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_service.hpp
index ab099f6..f46a03b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_service.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_service.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_socket_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -21,7 +21,7 @@
 
 #include <cstring>
 #include "asio/error.hpp"
-#include "asio/io_context.hpp"
+#include "asio/execution_context.hpp"
 #include "asio/socket_base.hpp"
 #include "asio/detail/bind_handler.hpp"
 #include "asio/detail/buffer_sequence_adapter.hpp"
@@ -51,7 +51,7 @@ namespace detail {
 
 template <typename Protocol>
 class win_iocp_socket_service :
-  public service_base<win_iocp_socket_service<Protocol> >,
+  public execution_context_service_base<win_iocp_socket_service<Protocol> >,
   public win_iocp_socket_service_base
 {
 public:
@@ -129,9 +129,10 @@ public:
   };
 
   // Constructor.
-  win_iocp_socket_service(asio::io_context& io_context)
-    : service_base<win_iocp_socket_service<Protocol> >(io_context),
-      win_iocp_socket_service_base(io_context)
+  win_iocp_socket_service(execution_context& context)
+    : execution_context_service_base<
+        win_iocp_socket_service<Protocol> >(context),
+      win_iocp_socket_service_base(context)
   {
   }
 
@@ -323,18 +324,20 @@ public:
 
   // Start an asynchronous send. The data being sent must be valid for the
   // lifetime of the asynchronous operation.
-  template <typename ConstBufferSequence, typename Handler>
+  template <typename ConstBufferSequence, typename Handler, typename IoExecutor>
   void async_send_to(implementation_type& impl,
       const ConstBufferSequence& buffers, const endpoint_type& destination,
-      socket_base::message_flags flags, Handler& handler)
+      socket_base::message_flags flags, Handler& handler,
+      const IoExecutor& io_ex)
   {
     // Allocate and construct an operation to wrap the handler.
-    typedef win_iocp_socket_send_op<ConstBufferSequence, Handler> op;
+    typedef win_iocp_socket_send_op<
+        ConstBufferSequence, Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(impl.cancel_token_, buffers, handler);
+    p.p = new (p.v) op(impl.cancel_token_, buffers, handler, io_ex);
 
-    ASIO_HANDLER_CREATION((io_context_, *p.p, "socket",
+    ASIO_HANDLER_CREATION((context_, *p.p, "socket",
           &impl, impl.socket_, "async_send_to"));
 
     buffer_sequence_adapter<asio::const_buffer,
@@ -347,17 +350,18 @@ public:
   }
 
   // Start an asynchronous wait until data can be sent without blocking.
-  template <typename Handler>
+  template <typename Handler, typename IoExecutor>
   void async_send_to(implementation_type& impl, const null_buffers&,
-      const endpoint_type&, socket_base::message_flags, Handler& handler)
+      const endpoint_type&, socket_base::message_flags, Handler& handler,
+      const IoExecutor& io_ex)
   {
     // Allocate and construct an operation to wrap the handler.
-    typedef win_iocp_null_buffers_op<Handler> op;
+    typedef win_iocp_null_buffers_op<Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(impl.cancel_token_, handler);
+    p.p = new (p.v) op(impl.cancel_token_, handler, io_ex);
 
-    ASIO_HANDLER_CREATION((io_context_, *p.p, "socket",
+    ASIO_HANDLER_CREATION((context_, *p.p, "socket",
           &impl, impl.socket_, "async_send_to(null_buffers)"));
 
     start_reactor_op(impl, select_reactor::write_op, p.p);
@@ -403,19 +407,22 @@ public:
   // Start an asynchronous receive. The buffer for the data being received and
   // the sender_endpoint object must both be valid for the lifetime of the
   // asynchronous operation.
-  template <typename MutableBufferSequence, typename Handler>
+  template <typename MutableBufferSequence,
+      typename Handler, typename IoExecutor>
   void async_receive_from(implementation_type& impl,
       const MutableBufferSequence& buffers, endpoint_type& sender_endp,
-      socket_base::message_flags flags, Handler& handler)
+      socket_base::message_flags flags, Handler& handler,
+      const IoExecutor& io_ex)
   {
     // Allocate and construct an operation to wrap the handler.
-    typedef win_iocp_socket_recvfrom_op<
-      MutableBufferSequence, endpoint_type, Handler> op;
+    typedef win_iocp_socket_recvfrom_op<MutableBufferSequence,
+        endpoint_type, Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(sender_endp, impl.cancel_token_, buffers, handler);
+    p.p = new (p.v) op(sender_endp, impl.cancel_token_,
+        buffers, handler, io_ex);
 
-    ASIO_HANDLER_CREATION((io_context_, *p.p, "socket",
+    ASIO_HANDLER_CREATION((context_, *p.p, "socket",
           &impl, impl.socket_, "async_receive_from"));
 
     buffer_sequence_adapter<asio::mutable_buffer,
@@ -427,18 +434,18 @@ public:
   }
 
   // Wait until data can be received without blocking.
-  template <typename Handler>
-  void async_receive_from(implementation_type& impl,
-      const null_buffers&, endpoint_type& sender_endpoint,
-      socket_base::message_flags flags, Handler& handler)
+  template <typename Handler, typename IoExecutor>
+  void async_receive_from(implementation_type& impl, const null_buffers&,
+      endpoint_type& sender_endpoint, socket_base::message_flags flags,
+      Handler& handler, const IoExecutor& io_ex)
   {
     // Allocate and construct an operation to wrap the handler.
-    typedef win_iocp_null_buffers_op<Handler> op;
+    typedef win_iocp_null_buffers_op<Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(impl.cancel_token_, handler);
+    p.p = new (p.v) op(impl.cancel_token_, handler, io_ex);
 
-    ASIO_HANDLER_CREATION((io_context_, *p.p, "socket",
+    ASIO_HANDLER_CREATION((context_, *p.p, "socket",
           &impl, impl.socket_, "async_receive_from(null_buffers)"));
 
     // Reset endpoint since it can be given no sensible value at this time.
@@ -478,50 +485,23 @@ public:
     return ec;
   }
 
-#if defined(ASIO_HAS_MOVE)
-  // Accept a new connection.
-  typename Protocol::socket accept(implementation_type& impl,
-      io_context* peer_io_context, endpoint_type* peer_endpoint,
-      asio::error_code& ec)
-  {
-    typename Protocol::socket peer(
-        peer_io_context ? *peer_io_context : io_context_);
-
-    std::size_t addr_len = peer_endpoint ? peer_endpoint->capacity() : 0;
-    socket_holder new_socket(socket_ops::sync_accept(impl.socket_,
-          impl.state_, peer_endpoint ? peer_endpoint->data() : 0,
-          peer_endpoint ? &addr_len : 0, ec));
-
-    // On success, assign new connection to peer socket object.
-    if (new_socket.get() != invalid_socket)
-    {
-      if (peer_endpoint)
-        peer_endpoint->resize(addr_len);
-      peer.assign(impl.protocol_, new_socket.get(), ec);
-      if (!ec)
-        new_socket.release();
-    }
-
-    return peer;
-  }
-#endif // defined(ASIO_HAS_MOVE)
-
   // Start an asynchronous accept. The peer and peer_endpoint objects
   // must be valid until the accept's handler is invoked.
-  template <typename Socket, typename Handler>
+  template <typename Socket, typename Handler, typename IoExecutor>
   void async_accept(implementation_type& impl, Socket& peer,
-      endpoint_type* peer_endpoint, Handler& handler)
+      endpoint_type* peer_endpoint, Handler& handler, const IoExecutor& io_ex)
   {
     // Allocate and construct an operation to wrap the handler.
-    typedef win_iocp_socket_accept_op<Socket, protocol_type, Handler> op;
+    typedef win_iocp_socket_accept_op<Socket,
+        protocol_type, Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
     bool enable_connection_aborted =
       (impl.state_ & socket_ops::enable_connection_aborted) != 0;
     p.p = new (p.v) op(*this, impl.socket_, peer, impl.protocol_,
-        peer_endpoint, enable_connection_aborted, handler);
+        peer_endpoint, enable_connection_aborted, handler, io_ex);
 
-    ASIO_HANDLER_CREATION((io_context_, *p.p, "socket",
+    ASIO_HANDLER_CREATION((context_, *p.p, "socket",
           &impl, impl.socket_, "async_accept"));
 
     start_accept_op(impl, peer.is_open(), p.p->new_socket(),
@@ -534,22 +514,23 @@ public:
 #if defined(ASIO_HAS_MOVE)
   // Start an asynchronous accept. The peer and peer_endpoint objects
   // must be valid until the accept's handler is invoked.
-  template <typename Handler>
-  void async_accept(implementation_type& impl,
-      asio::io_context* peer_io_context,
-      endpoint_type* peer_endpoint, Handler& handler)
+  template <typename PeerIoExecutor, typename Handler, typename IoExecutor>
+  void async_move_accept(implementation_type& impl,
+      const PeerIoExecutor& peer_io_ex, endpoint_type* peer_endpoint,
+      Handler& handler, const IoExecutor& io_ex)
   {
     // Allocate and construct an operation to wrap the handler.
-    typedef win_iocp_socket_move_accept_op<protocol_type, Handler> op;
+    typedef win_iocp_socket_move_accept_op<
+        protocol_type, PeerIoExecutor, Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
     bool enable_connection_aborted =
       (impl.state_ & socket_ops::enable_connection_aborted) != 0;
     p.p = new (p.v) op(*this, impl.socket_, impl.protocol_,
-        peer_io_context ? *peer_io_context : io_context_,
-        peer_endpoint, enable_connection_aborted, handler);
+        peer_io_ex, peer_endpoint, enable_connection_aborted,
+        handler, io_ex);
 
-    ASIO_HANDLER_CREATION((io_context_, *p.p, "socket",
+    ASIO_HANDLER_CREATION((context_, *p.p, "socket",
           &impl, impl.socket_, "async_accept"));
 
     start_accept_op(impl, false, p.p->new_socket(),
@@ -570,17 +551,18 @@ public:
   }
 
   // Start an asynchronous connect.
-  template <typename Handler>
+  template <typename Handler, typename IoExecutor>
   void async_connect(implementation_type& impl,
-      const endpoint_type& peer_endpoint, Handler& handler)
+      const endpoint_type& peer_endpoint, Handler& handler,
+      const IoExecutor& io_ex)
   {
     // Allocate and construct an operation to wrap the handler.
-    typedef win_iocp_socket_connect_op<Handler> op;
+    typedef win_iocp_socket_connect_op<Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(impl.socket_, handler);
+    p.p = new (p.v) op(impl.socket_, handler, io_ex);
 
-    ASIO_HANDLER_CREATION((io_context_, *p.p, "socket",
+    ASIO_HANDLER_CREATION((context_, *p.p, "socket",
           &impl, impl.socket_, "async_connect"));
 
     start_connect_op(impl, impl.protocol_.family(), impl.protocol_.type(),
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_service_base.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_service_base.hpp
index 220e8c8..cbeffd5 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_service_base.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_socket_service_base.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_socket_service_base.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -20,7 +20,7 @@
 #if defined(ASIO_HAS_IOCP)
 
 #include "asio/error.hpp"
-#include "asio/io_context.hpp"
+#include "asio/execution_context.hpp"
 #include "asio/socket_base.hpp"
 #include "asio/detail/bind_handler.hpp"
 #include "asio/detail/buffer_sequence_adapter.hpp"
@@ -85,8 +85,7 @@ public:
   };
 
   // Constructor.
-  ASIO_DECL win_iocp_socket_service_base(
-      asio::io_context& io_context);
+  ASIO_DECL win_iocp_socket_service_base(execution_context& context);
 
   // Destroy all user-defined handler objects owned by the service.
   ASIO_DECL void base_shutdown();
@@ -210,20 +209,20 @@ public:
 
   // Asynchronously wait for the socket to become ready to read, ready to
   // write, or to have pending error conditions.
-  template <typename Handler>
+  template <typename Handler, typename IoExecutor>
   void async_wait(base_implementation_type& impl,
-      socket_base::wait_type w, Handler& handler)
+      socket_base::wait_type w, Handler& handler, const IoExecutor& io_ex)
   {
     bool is_continuation =
       asio_handler_cont_helpers::is_continuation(handler);
 
     // Allocate and construct an operation to wrap the handler.
-    typedef win_iocp_wait_op<Handler> op;
+    typedef win_iocp_wait_op<Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(impl.cancel_token_, handler);
+    p.p = new (p.v) op(impl.cancel_token_, handler, io_ex);
 
-    ASIO_HANDLER_CREATION((io_context_, *p.p, "socket",
+    ASIO_HANDLER_CREATION((context_, *p.p, "socket",
           &impl, impl.socket_, "async_wait"));
 
     switch (w)
@@ -271,18 +270,19 @@ public:
 
   // Start an asynchronous send. The data being sent must be valid for the
   // lifetime of the asynchronous operation.
-  template <typename ConstBufferSequence, typename Handler>
+  template <typename ConstBufferSequence, typename Handler, typename IoExecutor>
   void async_send(base_implementation_type& impl,
-      const ConstBufferSequence& buffers,
-      socket_base::message_flags flags, Handler& handler)
+      const ConstBufferSequence& buffers, socket_base::message_flags flags,
+      Handler& handler, const IoExecutor& io_ex)
   {
     // Allocate and construct an operation to wrap the handler.
-    typedef win_iocp_socket_send_op<ConstBufferSequence, Handler> op;
+    typedef win_iocp_socket_send_op<
+        ConstBufferSequence, Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(impl.cancel_token_, buffers, handler);
+    p.p = new (p.v) op(impl.cancel_token_, buffers, handler, io_ex);
 
-    ASIO_HANDLER_CREATION((io_context_, *p.p, "socket",
+    ASIO_HANDLER_CREATION((context_, *p.p, "socket",
           &impl, impl.socket_, "async_send"));
 
     buffer_sequence_adapter<asio::const_buffer,
@@ -295,17 +295,17 @@ public:
   }
 
   // Start an asynchronous wait until data can be sent without blocking.
-  template <typename Handler>
+  template <typename Handler, typename IoExecutor>
   void async_send(base_implementation_type& impl, const null_buffers&,
-      socket_base::message_flags, Handler& handler)
+      socket_base::message_flags, Handler& handler, const IoExecutor& io_ex)
   {
     // Allocate and construct an operation to wrap the handler.
-    typedef win_iocp_null_buffers_op<Handler> op;
+    typedef win_iocp_null_buffers_op<Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(impl.cancel_token_, handler);
+    p.p = new (p.v) op(impl.cancel_token_, handler, io_ex);
 
-    ASIO_HANDLER_CREATION((io_context_, *p.p, "socket",
+    ASIO_HANDLER_CREATION((context_, *p.p, "socket",
           &impl, impl.socket_, "async_send(null_buffers)"));
 
     start_reactor_op(impl, select_reactor::write_op, p.p);
@@ -337,18 +337,21 @@ public:
 
   // Start an asynchronous receive. The buffer for the data being received
   // must be valid for the lifetime of the asynchronous operation.
-  template <typename MutableBufferSequence, typename Handler>
+  template <typename MutableBufferSequence,
+      typename Handler, typename IoExecutor>
   void async_receive(base_implementation_type& impl,
-      const MutableBufferSequence& buffers,
-      socket_base::message_flags flags, Handler& handler)
+      const MutableBufferSequence& buffers, socket_base::message_flags flags,
+      Handler& handler, const IoExecutor& io_ex)
   {
     // Allocate and construct an operation to wrap the handler.
-    typedef win_iocp_socket_recv_op<MutableBufferSequence, Handler> op;
+    typedef win_iocp_socket_recv_op<
+        MutableBufferSequence, Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(impl.state_, impl.cancel_token_, buffers, handler);
+    p.p = new (p.v) op(impl.state_, impl.cancel_token_,
+        buffers, handler, io_ex);
 
-    ASIO_HANDLER_CREATION((io_context_, *p.p, "socket",
+    ASIO_HANDLER_CREATION((context_, *p.p, "socket",
           &impl, impl.socket_, "async_receive"));
 
     buffer_sequence_adapter<asio::mutable_buffer,
@@ -361,17 +364,18 @@ public:
   }
 
   // Wait until data can be received without blocking.
-  template <typename Handler>
-  void async_receive(base_implementation_type& impl, const null_buffers&,
-      socket_base::message_flags flags, Handler& handler)
+  template <typename Handler, typename IoExecutor>
+  void async_receive(base_implementation_type& impl,
+      const null_buffers&, socket_base::message_flags flags,
+      Handler& handler, const IoExecutor& io_ex)
   {
     // Allocate and construct an operation to wrap the handler.
-    typedef win_iocp_null_buffers_op<Handler> op;
+    typedef win_iocp_null_buffers_op<Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(impl.cancel_token_, handler);
+    p.p = new (p.v) op(impl.cancel_token_, handler, io_ex);
 
-    ASIO_HANDLER_CREATION((io_context_, *p.p, "socket",
+    ASIO_HANDLER_CREATION((context_, *p.p, "socket",
           &impl, impl.socket_, "async_receive(null_buffers)"));
 
     start_null_buffers_receive_op(impl, flags, p.p);
@@ -410,18 +414,22 @@ public:
 
   // Start an asynchronous receive. The buffer for the data being received
   // must be valid for the lifetime of the asynchronous operation.
-  template <typename MutableBufferSequence, typename Handler>
+  template <typename MutableBufferSequence,
+      typename Handler, typename IoExecutor>
   void async_receive_with_flags(base_implementation_type& impl,
       const MutableBufferSequence& buffers, socket_base::message_flags in_flags,
-      socket_base::message_flags& out_flags, Handler& handler)
+      socket_base::message_flags& out_flags, Handler& handler,
+      const IoExecutor& io_ex)
   {
     // Allocate and construct an operation to wrap the handler.
-    typedef win_iocp_socket_recvmsg_op<MutableBufferSequence, Handler> op;
+    typedef win_iocp_socket_recvmsg_op<
+        MutableBufferSequence, Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(impl.cancel_token_, buffers, out_flags, handler);
+    p.p = new (p.v) op(impl.cancel_token_,
+        buffers, out_flags, handler, io_ex);
 
-    ASIO_HANDLER_CREATION((io_context_, *p.p, "socket",
+    ASIO_HANDLER_CREATION((context_, *p.p, "socket",
           &impl, impl.socket_, "async_receive_with_flags"));
 
     buffer_sequence_adapter<asio::mutable_buffer,
@@ -432,18 +440,19 @@ public:
   }
 
   // Wait until data can be received without blocking.
-  template <typename Handler>
+  template <typename Handler, typename IoExecutor>
   void async_receive_with_flags(base_implementation_type& impl,
       const null_buffers&, socket_base::message_flags in_flags,
-      socket_base::message_flags& out_flags, Handler& handler)
+      socket_base::message_flags& out_flags, Handler& handler,
+      const IoExecutor& io_ex)
   {
     // Allocate and construct an operation to wrap the handler.
-    typedef win_iocp_null_buffers_op<Handler> op;
+    typedef win_iocp_null_buffers_op<Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(impl.cancel_token_, handler);
+    p.p = new (p.v) op(impl.cancel_token_, handler, io_ex);
 
-    ASIO_HANDLER_CREATION((io_context_, *p.p, "socket",
+    ASIO_HANDLER_CREATION((context_, *p.p, "socket",
           &impl, impl.socket_, "async_receive_with_flags(null_buffers)"));
 
     // Reset out_flags since it can be given no sensible value at this time.
@@ -518,8 +527,8 @@ protected:
       base_implementation_type& impl);
 
   // Helper function to get the reactor. If no reactor has been created yet, a
-  // new one is obtained from the io_context and a pointer to it is cached in
-  // this service.
+  // new one is obtained from the execution context and a pointer to it is
+  // cached in this service.
   ASIO_DECL select_reactor& get_reactor();
 
   // The type of a ConnectEx function pointer, as old SDKs may not provide it.
@@ -553,8 +562,8 @@ protected:
   // - platform SDKs where MSVC's /Wp64 option causes spurious warnings.
   ASIO_DECL void* interlocked_exchange_pointer(void** dest, void* val);
 
-  // The io_context used to obtain the reactor, if required.
-  asio::io_context& io_context_;
+  // The execution context used to obtain the reactor, if required.
+  execution_context& context_;
 
   // The IOCP service used for running asynchronous operations and dispatching
   // handlers.
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_thread_info.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_thread_info.hpp
index 4a24d1e..ccb63a5 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_thread_info.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_thread_info.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_thread_info.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_wait_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_wait_op.hpp
index 04ad5f6..528dc3c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_wait_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_iocp_wait_op.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_wait_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -34,20 +34,21 @@
 namespace asio {
 namespace detail {
 
-template <typename Handler>
+template <typename Handler, typename IoExecutor>
 class win_iocp_wait_op : public reactor_op
 {
 public:
   ASIO_DEFINE_HANDLER_PTR(win_iocp_wait_op);
 
   win_iocp_wait_op(socket_ops::weak_cancel_token_type cancel_token,
-      Handler& handler)
+      Handler& handler, const IoExecutor& io_ex)
     : reactor_op(&win_iocp_wait_op::do_perform,
         &win_iocp_wait_op::do_complete),
       cancel_token_(cancel_token),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static status do_perform(reactor_op*)
@@ -64,7 +65,7 @@ public:
     // Take ownership of the operation object.
     win_iocp_wait_op* o(static_cast<win_iocp_wait_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*o));
 
@@ -109,6 +110,7 @@ public:
 private:
   socket_ops::weak_cancel_token_type cancel_token_;
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_mutex.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_mutex.hpp
index 67c077e..769e60a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_mutex.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_mutex.hpp
@@ -2,7 +2,7 @@
 // detail/win_mutex.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_object_handle_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_object_handle_service.hpp
index fad6b81..3decb0d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_object_handle_service.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_object_handle_service.hpp
@@ -2,7 +2,7 @@
 // detail/win_object_handle_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2011 Boris Schaeling (boris@highscore.de)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -24,7 +24,13 @@
 #include "asio/detail/memory.hpp"
 #include "asio/detail/wait_handler.hpp"
 #include "asio/error.hpp"
-#include "asio/io_context.hpp"
+#include "asio/execution_context.hpp"
+
+#if defined(ASIO_HAS_IOCP)
+# include "asio/detail/win_iocp_io_context.hpp"
+#else // defined(ASIO_HAS_IOCP)
+# include "asio/detail/scheduler.hpp"
+#endif // defined(ASIO_HAS_IOCP)
 
 #include "asio/detail/push_options.hpp"
 
@@ -32,7 +38,7 @@ namespace asio {
 namespace detail {
 
 class win_object_handle_service :
-  public service_base<win_object_handle_service>
+  public execution_context_service_base<win_object_handle_service>
 {
 public:
   // The native type of an object handle.
@@ -79,8 +85,7 @@ public:
   };
 
   // Constructor.
-  ASIO_DECL win_object_handle_service(
-      asio::io_context& io_context);
+  ASIO_DECL win_object_handle_service(execution_context& context);
 
   // Destroy all user-defined handler objects owned by the service.
   ASIO_DECL void shutdown();
@@ -129,16 +134,17 @@ public:
       asio::error_code& ec);
 
   /// Start an asynchronous wait.
-  template <typename Handler>
-  void async_wait(implementation_type& impl, Handler& handler)
+  template <typename Handler, typename IoExecutor>
+  void async_wait(implementation_type& impl,
+      Handler& handler, const IoExecutor& io_ex)
   {
     // Allocate and construct an operation to wrap the handler.
-    typedef wait_handler<Handler> op;
+    typedef wait_handler<Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(handler);
+    p.p = new (p.v) op(handler, io_ex);
 
-    ASIO_HANDLER_CREATION((io_context_.context(), *p.p, "object_handle",
+    ASIO_HANDLER_CREATION((scheduler_.context(), *p.p, "object_handle",
           &impl, reinterpret_cast<uintmax_t>(impl.wait_handle_), "async_wait"));
 
     start_wait_op(impl, p.p);
@@ -157,8 +163,13 @@ private:
   static ASIO_DECL VOID CALLBACK wait_callback(
       PVOID param, BOOLEAN timeout);
 
-  // The io_context implementation used to post completions.
-  io_context_impl& io_context_;
+  // The scheduler used to post completions.
+#if defined(ASIO_HAS_IOCP)
+  typedef class win_iocp_io_context scheduler_impl;
+#else
+  typedef class scheduler scheduler_impl;
+#endif
+  scheduler_impl& scheduler_;
 
   // Mutex to protect access to internal state.
   mutex mutex_;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_static_mutex.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_static_mutex.hpp
index 420110d..81eda82 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_static_mutex.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_static_mutex.hpp
@@ -2,7 +2,7 @@
 // detail/win_static_mutex.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_thread.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_thread.hpp
index e5a92ca..ddba812 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_thread.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_thread.hpp
@@ -2,7 +2,7 @@
 // detail/win_thread.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_tss_ptr.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_tss_ptr.hpp
index 3e0c13e..dbe8b78 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_tss_ptr.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/win_tss_ptr.hpp
@@ -2,7 +2,7 @@
 // detail/win_tss_ptr.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winapp_thread.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winapp_thread.hpp
index be4e21d..aac44cd 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winapp_thread.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winapp_thread.hpp
@@ -2,7 +2,7 @@
 // detail/winapp_thread.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/wince_thread.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/wince_thread.hpp
index 691050d..c238664 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/wince_thread.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/wince_thread.hpp
@@ -2,7 +2,7 @@
 // detail/wince_thread.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_async_manager.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_async_manager.hpp
index 56b342b..cf624ba 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_async_manager.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_async_manager.hpp
@@ -2,7 +2,7 @@
 // detail/winrt_async_manager.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -23,7 +23,13 @@
 #include "asio/detail/atomic_count.hpp"
 #include "asio/detail/winrt_async_op.hpp"
 #include "asio/error.hpp"
-#include "asio/io_context.hpp"
+#include "asio/execution_context.hpp"
+
+#if defined(ASIO_HAS_IOCP)
+# include "asio/detail/win_iocp_io_context.hpp"
+#else // defined(ASIO_HAS_IOCP)
+# include "asio/detail/scheduler.hpp"
+#endif // defined(ASIO_HAS_IOCP)
 
 #include "asio/detail/push_options.hpp"
 
@@ -31,13 +37,13 @@ namespace asio {
 namespace detail {
 
 class winrt_async_manager
-  : public asio::detail::service_base<winrt_async_manager>
+  : public execution_context_service_base<winrt_async_manager>
 {
 public:
   // Constructor.
-  winrt_async_manager(asio::io_context& io_context)
-    : asio::detail::service_base<winrt_async_manager>(io_context),
-      io_context_(use_service<io_context_impl>(io_context)),
+  winrt_async_manager(execution_context& context)
+    : execution_context_service_base<winrt_async_manager>(context),
+      scheduler_(use_service<scheduler_impl>(context)),
       outstanding_ops_(1)
   {
   }
@@ -185,12 +191,12 @@ public:
               asio::system_category());
           break;
         }
-        io_context_.post_deferred_completion(handler);
+        scheduler_.post_deferred_completion(handler);
         if (--outstanding_ops_ == 0)
           promise_.set_value();
       });
 
-    io_context_.work_started();
+    scheduler_.work_started();
     ++outstanding_ops_;
     action->Completed = on_completed;
   }
@@ -222,12 +228,12 @@ public:
               asio::system_category());
           break;
         }
-        io_context_.post_deferred_completion(handler);
+        scheduler_.post_deferred_completion(handler);
         if (--outstanding_ops_ == 0)
           promise_.set_value();
       });
 
-    io_context_.work_started();
+    scheduler_.work_started();
     ++outstanding_ops_;
     operation->Completed = on_completed;
   }
@@ -263,19 +269,24 @@ public:
                 asio::system_category());
             break;
           }
-          io_context_.post_deferred_completion(handler);
+          scheduler_.post_deferred_completion(handler);
           if (--outstanding_ops_ == 0)
             promise_.set_value();
         });
 
-    io_context_.work_started();
+    scheduler_.work_started();
     ++outstanding_ops_;
     operation->Completed = on_completed;
   }
 
 private:
-  // The io_context implementation used to post completed handlers.
-  io_context_impl& io_context_;
+  // The scheduler implementation used to post completed handlers.
+#if defined(ASIO_HAS_IOCP)
+  typedef class win_iocp_io_context scheduler_impl;
+#else
+  typedef class scheduler scheduler_impl;
+#endif
+  scheduler_impl& scheduler_;
 
   // Count of outstanding operations.
   atomic_count outstanding_ops_;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_async_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_async_op.hpp
index ca436ef..f90f26f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_async_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_async_op.hpp
@@ -2,7 +2,7 @@
 // detail/winrt_async_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_resolve_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_resolve_op.hpp
index 01dca8e..c6e9bc7 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_resolve_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_resolve_op.hpp
@@ -2,7 +2,7 @@
 // detail/winrt_resolve_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -33,7 +33,7 @@
 namespace asio {
 namespace detail {
 
-template <typename Protocol, typename Handler>
+template <typename Protocol, typename Handler, typename IoExecutor>
 class winrt_resolve_op :
   public winrt_async_op<
     Windows::Foundation::Collections::IVectorView<
@@ -46,15 +46,17 @@ public:
   typedef asio::ip::basic_resolver_query<Protocol> query_type;
   typedef asio::ip::basic_resolver_results<Protocol> results_type;
 
-  winrt_resolve_op(const query_type& query, Handler& handler)
+  winrt_resolve_op(const query_type& query,
+      Handler& handler, const IoExecutor& io_ex)
     : winrt_async_op<
         Windows::Foundation::Collections::IVectorView<
           Windows::Networking::EndpointPair^>^>(
             &winrt_resolve_op::do_complete),
       query_(query),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -63,7 +65,7 @@ public:
     // Take ownership of the operation object.
     winrt_resolve_op* o(static_cast<winrt_resolve_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*o));
 
@@ -106,6 +108,7 @@ public:
 private:
   query_type query_;
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_resolver_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_resolver_service.hpp
index 9947d3c..1f4b70a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_resolver_service.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_resolver_service.hpp
@@ -2,7 +2,7 @@
 // detail/winrt_resolver_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -21,6 +21,7 @@
 
 #include "asio/ip/basic_resolver_query.hpp"
 #include "asio/ip/basic_resolver_results.hpp"
+#include "asio/post.hpp"
 #include "asio/detail/bind_handler.hpp"
 #include "asio/detail/memory.hpp"
 #include "asio/detail/socket_ops.hpp"
@@ -28,6 +29,12 @@
 #include "asio/detail/winrt_resolve_op.hpp"
 #include "asio/detail/winrt_utils.hpp"
 
+#if defined(ASIO_HAS_IOCP)
+# include "asio/detail/win_iocp_io_context.hpp"
+#else // defined(ASIO_HAS_IOCP)
+# include "asio/detail/scheduler.hpp"
+#endif // defined(ASIO_HAS_IOCP)
+
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
@@ -35,7 +42,7 @@ namespace detail {
 
 template <typename Protocol>
 class winrt_resolver_service :
-  public service_base<winrt_resolver_service<Protocol> >
+  public execution_context_service_base<winrt_resolver_service<Protocol> >
 {
 public:
   // The implementation type of the resolver. A cancellation token is used to
@@ -53,10 +60,11 @@ public:
   typedef asio::ip::basic_resolver_results<Protocol> results_type;
 
   // Constructor.
-  winrt_resolver_service(asio::io_context& io_context)
-    : service_base<winrt_resolver_service<Protocol> >(io_context),
-      io_context_(use_service<io_context_impl>(io_context)),
-      async_manager_(use_service<winrt_async_manager>(io_context))
+  winrt_resolver_service(execution_context& context)
+    : execution_context_service_base<
+        winrt_resolver_service<Protocol> >(context),
+      scheduler_(use_service<scheduler_impl>(context)),
+      async_manager_(use_service<winrt_async_manager>(context))
   {
   }
 
@@ -71,7 +79,7 @@ public:
   }
 
   // Perform any fork-related housekeeping.
-  void notify_fork(asio::io_context::fork_event)
+  void notify_fork(execution_context::fork_event)
   {
   }
 
@@ -130,20 +138,20 @@ public:
   }
 
   // Asynchronously resolve a query to a list of entries.
-  template <typename Handler>
-  void async_resolve(implementation_type& impl,
-      const query_type& query, Handler& handler)
+  template <typename Handler, typename IoExecutor>
+  void async_resolve(implementation_type& impl, const query_type& query,
+      Handler& handler, const IoExecutor& io_ex)
   {
     bool is_continuation =
       asio_handler_cont_helpers::is_continuation(handler);
 
     // Allocate and construct an operation to wrap the handler.
-    typedef winrt_resolve_op<Protocol, Handler> op;
+    typedef winrt_resolve_op<Protocol, Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(query, handler);
+    p.p = new (p.v) op(query, handler, io_ex);
 
-    ASIO_HANDLER_CREATION((io_context_.context(),
+    ASIO_HANDLER_CREATION((scheduler_.context(),
           *p.p, "resolver", &impl, 0, "async_resolve"));
     (void)impl;
 
@@ -159,7 +167,7 @@ public:
     {
       p.p->ec_ = asio::error_code(
           e->HResult, asio::system_category());
-      io_context_.post_immediate_completion(p.p, is_continuation);
+      scheduler_.post_immediate_completion(p.p, is_continuation);
       p.v = p.p = 0;
     }
   }
@@ -173,18 +181,24 @@ public:
   }
 
   // Asynchronously resolve an endpoint to a list of entries.
-  template <typename Handler>
-  void async_resolve(implementation_type&,
-      const endpoint_type&, Handler& handler)
+  template <typename Handler, typename IoExecutor>
+  void async_resolve(implementation_type&, const endpoint_type&,
+      Handler& handler, const IoExecutor& io_ex)
   {
     asio::error_code ec = asio::error::operation_not_supported;
     const results_type results;
-    io_context_.get_io_context().post(
-        detail::bind_handler(handler, ec, results));
+    asio::post(io_ex, detail::bind_handler(handler, ec, results));
   }
 
 private:
-  io_context_impl& io_context_;
+  // The scheduler implementation used for delivering completions.
+#if defined(ASIO_HAS_IOCP)
+  typedef class win_iocp_io_context scheduler_impl;
+#else
+  typedef class scheduler scheduler_impl;
+#endif
+  scheduler_impl& scheduler_;
+
   winrt_async_manager& async_manager_;
 };
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_socket_connect_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_socket_connect_op.hpp
index 0e6aaeb..c5ef90f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_socket_connect_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_socket_connect_op.hpp
@@ -2,7 +2,7 @@
 // detail/winrt_socket_connect_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -33,18 +33,19 @@
 namespace asio {
 namespace detail {
 
-template <typename Handler>
+template <typename Handler, typename IoExecutor>
 class winrt_socket_connect_op :
   public winrt_async_op<void>
 {
 public:
   ASIO_DEFINE_HANDLER_PTR(winrt_socket_connect_op);
 
-  winrt_socket_connect_op(Handler& handler)
+  winrt_socket_connect_op(Handler& handler, const IoExecutor& io_ex)
     : winrt_async_op<void>(&winrt_socket_connect_op::do_complete),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -53,7 +54,7 @@ public:
     // Take ownership of the operation object.
     winrt_socket_connect_op* o(static_cast<winrt_socket_connect_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*o));
 
@@ -80,6 +81,7 @@ public:
 
 private:
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_socket_recv_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_socket_recv_op.hpp
index 49b1323..613edab 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_socket_recv_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_socket_recv_op.hpp
@@ -2,7 +2,7 @@
 // detail/winrt_socket_recv_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -33,20 +33,22 @@
 namespace asio {
 namespace detail {
 
-template <typename MutableBufferSequence, typename Handler>
+template <typename MutableBufferSequence, typename Handler, typename IoExecutor>
 class winrt_socket_recv_op :
   public winrt_async_op<Windows::Storage::Streams::IBuffer^>
 {
 public:
   ASIO_DEFINE_HANDLER_PTR(winrt_socket_recv_op);
 
-  winrt_socket_recv_op(const MutableBufferSequence& buffers, Handler& handler)
+  winrt_socket_recv_op(const MutableBufferSequence& buffers,
+      Handler& handler, const IoExecutor& io_ex)
     : winrt_async_op<Windows::Storage::Streams::IBuffer^>(
           &winrt_socket_recv_op::do_complete),
       buffers_(buffers),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -55,7 +57,7 @@ public:
     // Take ownership of the operation object.
     winrt_socket_recv_op* o(static_cast<winrt_socket_recv_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*o));
 
@@ -100,6 +102,7 @@ public:
 private:
   MutableBufferSequence buffers_;
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_socket_send_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_socket_send_op.hpp
index 9fbb65a..c19254a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_socket_send_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_socket_send_op.hpp
@@ -2,7 +2,7 @@
 // detail/winrt_socket_send_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -33,19 +33,21 @@
 namespace asio {
 namespace detail {
 
-template <typename ConstBufferSequence, typename Handler>
+template <typename ConstBufferSequence, typename Handler, typename IoExecutor>
 class winrt_socket_send_op :
   public winrt_async_op<unsigned int>
 {
 public:
   ASIO_DEFINE_HANDLER_PTR(winrt_socket_send_op);
 
-  winrt_socket_send_op(const ConstBufferSequence& buffers, Handler& handler)
+  winrt_socket_send_op(const ConstBufferSequence& buffers,
+      Handler& handler, const IoExecutor& io_ex)
     : winrt_async_op<unsigned int>(&winrt_socket_send_op::do_complete),
       buffers_(buffers),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -54,7 +56,7 @@ public:
     // Take ownership of the operation object.
     winrt_socket_send_op* o(static_cast<winrt_socket_send_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*o));
 
@@ -91,6 +93,7 @@ public:
 private:
   ConstBufferSequence buffers_;
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_ssocket_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_ssocket_service.hpp
index 616df7e..04f5165 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_ssocket_service.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_ssocket_service.hpp
@@ -2,7 +2,7 @@
 // detail/winrt_ssocket_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -20,7 +20,7 @@
 #if defined(ASIO_WINDOWS_RUNTIME)
 
 #include "asio/error.hpp"
-#include "asio/io_context.hpp"
+#include "asio/execution_context.hpp"
 #include "asio/detail/memory.hpp"
 #include "asio/detail/winrt_socket_connect_op.hpp"
 #include "asio/detail/winrt_ssocket_service_base.hpp"
@@ -33,7 +33,7 @@ namespace detail {
 
 template <typename Protocol>
 class winrt_ssocket_service :
-  public service_base<winrt_ssocket_service<Protocol> >,
+  public execution_context_service_base<winrt_ssocket_service<Protocol> >,
   public winrt_ssocket_service_base
 {
 public:
@@ -61,9 +61,9 @@ public:
   };
 
   // Constructor.
-  winrt_ssocket_service(asio::io_context& io_context)
-    : service_base<winrt_ssocket_service<Protocol> >(io_context),
-      winrt_ssocket_service_base(io_context)
+  winrt_ssocket_service(execution_context& context)
+    : execution_context_service_base<winrt_ssocket_service<Protocol> >(context),
+      winrt_ssocket_service_base(context)
   {
   }
 
@@ -210,20 +210,21 @@ public:
   }
 
   // Start an asynchronous connect.
-  template <typename Handler>
+  template <typename Handler, typename IoExecutor>
   void async_connect(implementation_type& impl,
-      const endpoint_type& peer_endpoint, Handler& handler)
+      const endpoint_type& peer_endpoint,
+      Handler& handler, const IoExecutor& io_ex)
   {
     bool is_continuation =
       asio_handler_cont_helpers::is_continuation(handler);
 
     // Allocate and construct an operation to wrap the handler.
-    typedef winrt_socket_connect_op<Handler> op;
+    typedef winrt_socket_connect_op<Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(handler);
+    p.p = new (p.v) op(handler, io_ex);
 
-    ASIO_HANDLER_CREATION((io_context_.context(),
+    ASIO_HANDLER_CREATION((scheduler_.context(),
           *p.p, "socket", &impl, 0, "async_connect"));
 
     start_connect_op(impl, peer_endpoint.data(), p.p, is_continuation);
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_ssocket_service_base.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_ssocket_service_base.hpp
index 849408c..3c1ae59 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_ssocket_service_base.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_ssocket_service_base.hpp
@@ -2,7 +2,7 @@
 // detail/winrt_ssocket_service_base.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -21,7 +21,7 @@
 
 #include "asio/buffer.hpp"
 #include "asio/error.hpp"
-#include "asio/io_context.hpp"
+#include "asio/execution_context.hpp"
 #include "asio/socket_base.hpp"
 #include "asio/detail/buffer_sequence_adapter.hpp"
 #include "asio/detail/memory.hpp"
@@ -30,6 +30,12 @@
 #include "asio/detail/winrt_socket_recv_op.hpp"
 #include "asio/detail/winrt_socket_send_op.hpp"
 
+#if defined(ASIO_HAS_IOCP)
+# include "asio/detail/win_iocp_io_context.hpp"
+#else // defined(ASIO_HAS_IOCP)
+# include "asio/detail/scheduler.hpp"
+#endif // defined(ASIO_HAS_IOCP)
+
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
@@ -61,8 +67,7 @@ public:
   };
 
   // Constructor.
-  ASIO_DECL winrt_ssocket_service_base(
-      asio::io_context& io_context);
+  ASIO_DECL winrt_ssocket_service_base(execution_context& context);
 
   // Destroy all user-defined handler objects owned by the service.
   ASIO_DECL void base_shutdown();
@@ -192,21 +197,21 @@ public:
 
   // Start an asynchronous send. The data being sent must be valid for the
   // lifetime of the asynchronous operation.
-  template <typename ConstBufferSequence, typename Handler>
+  template <typename ConstBufferSequence, typename Handler, typename IoExecutor>
   void async_send(base_implementation_type& impl,
-      const ConstBufferSequence& buffers,
-      socket_base::message_flags flags, Handler& handler)
+      const ConstBufferSequence& buffers, socket_base::message_flags flags,
+      Handler& handler, const IoExecutor& io_ex)
   {
     bool is_continuation =
       asio_handler_cont_helpers::is_continuation(handler);
 
     // Allocate and construct an operation to wrap the handler.
-    typedef winrt_socket_send_op<ConstBufferSequence, Handler> op;
+    typedef winrt_socket_send_op<ConstBufferSequence, Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(buffers, handler);
+    p.p = new (p.v) op(buffers, handler, io_ex);
 
-    ASIO_HANDLER_CREATION((io_context_.context(),
+    ASIO_HANDLER_CREATION((scheduler_.context(),
           *p.p, "socket", &impl, 0, "async_send"));
 
     start_send_op(impl,
@@ -217,13 +222,13 @@ public:
   }
 
   // Start an asynchronous wait until data can be sent without blocking.
-  template <typename Handler>
+  template <typename Handler, typename IoExecutor>
   void async_send(base_implementation_type&, const null_buffers&,
-      socket_base::message_flags, Handler& handler)
+      socket_base::message_flags, Handler& handler, const IoExecutor& io_ex)
   {
     asio::error_code ec = asio::error::operation_not_supported;
     const std::size_t bytes_transferred = 0;
-    io_context_.get_io_context().post(
+    asio::post(io_ex,
         detail::bind_handler(handler, ec, bytes_transferred));
   }
 
@@ -248,21 +253,22 @@ public:
 
   // Start an asynchronous receive. The buffer for the data being received
   // must be valid for the lifetime of the asynchronous operation.
-  template <typename MutableBufferSequence, typename Handler>
+  template <typename MutableBufferSequence,
+      typename Handler, typename IoExecutor>
   void async_receive(base_implementation_type& impl,
-      const MutableBufferSequence& buffers,
-      socket_base::message_flags flags, Handler& handler)
+      const MutableBufferSequence& buffers, socket_base::message_flags flags,
+      Handler& handler, const IoExecutor& io_ex)
   {
     bool is_continuation =
       asio_handler_cont_helpers::is_continuation(handler);
 
     // Allocate and construct an operation to wrap the handler.
-    typedef winrt_socket_recv_op<MutableBufferSequence, Handler> op;
+    typedef winrt_socket_recv_op<MutableBufferSequence, Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(buffers, handler);
+    p.p = new (p.v) op(buffers, handler, io_ex);
 
-    ASIO_HANDLER_CREATION((io_context_.context(),
+    ASIO_HANDLER_CREATION((scheduler_.context(),
           *p.p, "socket", &impl, 0, "async_receive"));
 
     start_receive_op(impl,
@@ -273,13 +279,13 @@ public:
   }
 
   // Wait until data can be received without blocking.
-  template <typename Handler>
+  template <typename Handler, typename IoExecutor>
   void async_receive(base_implementation_type&, const null_buffers&,
-      socket_base::message_flags, Handler& handler)
+      socket_base::message_flags, Handler& handler, const IoExecutor& io_ex)
   {
     asio::error_code ec = asio::error::operation_not_supported;
     const std::size_t bytes_transferred = 0;
-    io_context_.get_io_context().post(
+    asio::post(io_ex,
         detail::bind_handler(handler, ec, bytes_transferred));
   }
 
@@ -332,8 +338,13 @@ protected:
       winrt_async_op<Windows::Storage::Streams::IBuffer^>* op,
       bool is_continuation);
 
-  // The io_context implementation used for delivering completions.
-  io_context_impl& io_context_;
+  // The scheduler implementation used for delivering completions.
+#if defined(ASIO_HAS_IOCP)
+  typedef class win_iocp_io_context scheduler_impl;
+#else
+  typedef class scheduler scheduler_impl;
+#endif
+  scheduler_impl& scheduler_;
 
   // The manager that keeps track of outstanding operations.
   winrt_async_manager& async_manager_;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_timer_scheduler.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_timer_scheduler.hpp
index 93847f4..9f1bb8f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_timer_scheduler.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_timer_scheduler.hpp
@@ -2,7 +2,7 @@
 // detail/winrt_timer_scheduler.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -28,7 +28,13 @@
 #include "asio/detail/timer_queue_base.hpp"
 #include "asio/detail/timer_queue_set.hpp"
 #include "asio/detail/wait_op.hpp"
-#include "asio/io_context.hpp"
+#include "asio/execution_context.hpp"
+
+#if defined(ASIO_HAS_IOCP)
+# include "asio/detail/win_iocp_io_context.hpp"
+#else // defined(ASIO_HAS_IOCP)
+# include "asio/detail/scheduler.hpp"
+#endif // defined(ASIO_HAS_IOCP)
 
 #if defined(ASIO_HAS_IOCP)
 # include "asio/detail/thread.hpp"
@@ -40,11 +46,11 @@ namespace asio {
 namespace detail {
 
 class winrt_timer_scheduler
-  : public asio::detail::service_base<winrt_timer_scheduler>
+  : public execution_context_service_base<winrt_timer_scheduler>
 {
 public:
   // Constructor.
-  ASIO_DECL winrt_timer_scheduler(asio::io_context& io_context);
+  ASIO_DECL winrt_timer_scheduler(execution_context& context);
 
   // Destructor.
   ASIO_DECL ~winrt_timer_scheduler();
@@ -53,8 +59,7 @@ public:
   ASIO_DECL void shutdown();
 
   // Recreate internal descriptors following a fork.
-  ASIO_DECL void notify_fork(
-      asio::io_context::fork_event fork_ev);
+  ASIO_DECL void notify_fork(execution_context::fork_event fork_ev);
 
   // Initialise the task. No effect as this class uses its own thread.
   ASIO_DECL void init_task();
@@ -100,8 +105,13 @@ private:
   // Helper function to remove a timer queue.
   ASIO_DECL void do_remove_timer_queue(timer_queue_base& queue);
 
-  // The io_context implementation used to post completions.
-  io_context_impl& io_context_;
+  // The scheduler implementation used to post completions.
+#if defined(ASIO_HAS_IOCP)
+  typedef class win_iocp_io_context scheduler_impl;
+#else
+  typedef class scheduler scheduler_impl;
+#endif
+  scheduler_impl& scheduler_;
 
   // Mutex used to protect internal variables.
   asio::detail::mutex mutex_;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_utils.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_utils.hpp
index 4808fdc..bfdccb4 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_utils.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winrt_utils.hpp
@@ -2,7 +2,7 @@
 // detail/winrt_utils.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winsock_init.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winsock_init.hpp
index e82787f..f95b984 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winsock_init.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/winsock_init.hpp
@@ -2,7 +2,7 @@
 // detail/winsock_init.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/work_dispatcher.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/work_dispatcher.hpp
index af242af..243b8e4 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/work_dispatcher.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/work_dispatcher.hpp
@@ -2,7 +2,7 @@
 // detail/work_dispatcher.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -29,9 +29,10 @@ template <typename Handler>
 class work_dispatcher
 {
 public:
-  work_dispatcher(Handler& handler)
+  template <typename CompletionHandler>
+  explicit work_dispatcher(ASIO_MOVE_ARG(CompletionHandler) handler)
     : work_((get_associated_executor)(handler)),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(CompletionHandler)(handler))
   {
   }
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/wrapped_handler.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/wrapped_handler.hpp
index a6d8620..c9387d2 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/wrapped_handler.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/wrapped_handler.hpp
@@ -2,7 +2,7 @@
 // detail/wrapped_handler.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/dispatch.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/dispatch.hpp
index 87a7726..f5bed08 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/dispatch.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/dispatch.hpp
@@ -2,7 +2,7 @@
 // dispatch.hpp
 // ~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -28,8 +28,8 @@ namespace asio {
 /// Submits a completion token or function object for execution.
 /**
  * This function submits an object for execution using the object's associated
- * executor. The function object is queued for execution, and is never called
- * from the current thread prior to returning from <tt>dispatch()</tt>.
+ * executor. The function object may be called from the current thread prior to
+ * returning from <tt>dispatch()</tt>. Otherwise, it is queued for execution.
  *
  * This function has the following effects:
  *
@@ -56,8 +56,8 @@ ASIO_INITFN_RESULT_TYPE(CompletionToken, void()) dispatch(
 /// Submits a completion token or function object for execution.
 /**
  * This function submits an object for execution using the specified executor.
- * The function object is queued for execution, and is never called from the
- * current thread prior to returning from <tt>dispatch()</tt>.
+ * The function object may be called from the current thread prior to returning
+ * from <tt>dispatch()</tt>. Otherwise, it is queued for execution.
  *
  * This function has the following effects:
  *
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/error.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/error.hpp
index a9ebc53..c70c52f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/error.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/error.hpp
@@ -2,7 +2,7 @@
 // error.hpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/error_code.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/error_code.hpp
index 6a8d29c..898680f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/error_code.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/error_code.hpp
@@ -2,7 +2,7 @@
 // error_code.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/execution_context.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/execution_context.hpp
index 80f3988..7e7f70a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/execution_context.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/execution_context.hpp
@@ -2,7 +2,7 @@
 // execution_context.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -109,13 +109,14 @@ public:
   class id;
   class service;
 
-protected:
+public:
   /// Constructor.
   ASIO_DECL execution_context();
 
   /// Destructor.
   ASIO_DECL ~execution_context();
 
+protected:
   /// Shuts down all services in the context.
   /**
    * This function is implemented as follows:
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/executor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/executor.hpp
index b66a392..d372c06 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/executor.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/executor.hpp
@@ -2,7 +2,7 @@
 // executor.hpp
 // ~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/executor_work_guard.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/executor_work_guard.hpp
index 1c59b20..3923d28 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/executor_work_guard.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/executor_work_guard.hpp
@@ -2,7 +2,7 @@
 // executor_work_guard.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -55,7 +55,7 @@ public:
 
 #if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
   /// Move constructor.
-  executor_work_guard(executor_work_guard&& other)
+  executor_work_guard(executor_work_guard&& other) ASIO_NOEXCEPT
     : executor_(ASIO_MOVE_CAST(Executor)(other.executor_)),
       owns_(other.owns_)
   {
@@ -154,7 +154,8 @@ inline executor_work_guard<typename associated_executor<T,
   typename ExecutionContext::executor_type>::type>
 make_work_guard(const T& t, ExecutionContext& ctx,
     typename enable_if<!is_executor<T>::value &&
-      !is_convertible<T&, execution_context&>::value>::type* = 0)
+      !is_convertible<T&, execution_context&>::value &&
+      is_convertible<ExecutionContext&, execution_context&>::value>::type* = 0)
 {
   return executor_work_guard<typename associated_executor<T,
     typename ExecutionContext::executor_type>::type>(
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/basic_endpoint.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/basic_endpoint.hpp
index 7ded134..3c84274 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/basic_endpoint.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/basic_endpoint.hpp
@@ -2,7 +2,7 @@
 // generic/basic_endpoint.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/datagram_protocol.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/datagram_protocol.hpp
index 8526b5f..14621e2 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/datagram_protocol.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/datagram_protocol.hpp
@@ -2,7 +2,7 @@
 // generic/datagram_protocol.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/detail/endpoint.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/detail/endpoint.hpp
index 23b1d6e..6556cc3 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/detail/endpoint.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/detail/endpoint.hpp
@@ -2,7 +2,7 @@
 // generic/detail/endpoint.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/detail/impl/endpoint.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/detail/impl/endpoint.ipp
index 112c1b2..28ff227 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/detail/impl/endpoint.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/detail/impl/endpoint.ipp
@@ -2,7 +2,7 @@
 // generic/detail/impl/endpoint.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/raw_protocol.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/raw_protocol.hpp
index b785f99..4caaa5c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/raw_protocol.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/raw_protocol.hpp
@@ -2,7 +2,7 @@
 // generic/raw_protocol.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/seq_packet_protocol.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/seq_packet_protocol.hpp
index a34acf3..f8cbce7 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/seq_packet_protocol.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/seq_packet_protocol.hpp
@@ -2,7 +2,7 @@
 // generic/seq_packet_protocol.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/stream_protocol.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/stream_protocol.hpp
index 5ea07f3..821c590 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/stream_protocol.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/generic/stream_protocol.hpp
@@ -2,7 +2,7 @@
 // generic/stream_protocol.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/handler_alloc_hook.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/handler_alloc_hook.hpp
index 8bba951..68ab909 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/handler_alloc_hook.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/handler_alloc_hook.hpp
@@ -2,7 +2,7 @@
 // handler_alloc_hook.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/handler_continuation_hook.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/handler_continuation_hook.hpp
index 5a64c07..46eccda 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/handler_continuation_hook.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/handler_continuation_hook.hpp
@@ -2,7 +2,7 @@
 // handler_continuation_hook.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/handler_invoke_hook.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/handler_invoke_hook.hpp
index d326698..013a94f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/handler_invoke_hook.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/handler_invoke_hook.hpp
@@ -2,7 +2,7 @@
 // handler_invoke_hook.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/handler_type.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/handler_type.hpp
deleted file mode 100644
index a40e4b1..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/handler_type.hpp
+++ /dev/null
@@ -1,50 +0,0 @@
-//
-// handler_type.hpp
-// ~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef ASIO_HANDLER_TYPE_HPP
-#define ASIO_HANDLER_TYPE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-#include "asio/detail/type_traits.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-
-/// (Deprecated: Use two-parameter version of async_result.) Default handler
-/// type traits provided for all completion token types.
-/**
- * The handler_type traits class is used for determining the concrete handler
- * type to be used for an asynchronous operation. It allows the handler type to
- * be determined at the point where the specific completion handler signature
- * is known.
- *
- * This template may be specialised for user-defined completion token types.
- */
-template <typename CompletionToken, typename Signature, typename = void>
-struct handler_type
-{
-  /// The handler type for the specific signature.
-  typedef typename conditional<
-    is_same<CompletionToken, typename decay<CompletionToken>::type>::value,
-    decay<CompletionToken>,
-    handler_type<typename decay<CompletionToken>::type, Signature>
-  >::type::type type;
-};
-
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // ASIO_HANDLER_TYPE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/high_resolution_timer.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/high_resolution_timer.hpp
index f8a50d2..bde0ba1 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/high_resolution_timer.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/high_resolution_timer.hpp
@@ -2,7 +2,7 @@
 // high_resolution_timer.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/awaitable.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/awaitable.hpp
new file mode 100644
index 0000000..9bd139d
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/awaitable.hpp
@@ -0,0 +1,422 @@
+//
+// impl/awaitable.hpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IMPL_AWAITABLE_HPP
+#define ASIO_IMPL_AWAITABLE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <exception>
+#include <new>
+#include <tuple>
+#include <utility>
+#include "asio/detail/thread_context.hpp"
+#include "asio/detail/thread_info_base.hpp"
+#include "asio/detail/type_traits.hpp"
+#include "asio/post.hpp"
+#include "asio/system_error.hpp"
+#include "asio/this_coro.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace detail {
+
+// An awaitable_thread represents a thread-of-execution that is composed of one
+// or more "stack frames", with each frame represented by an awaitable_frame.
+// All execution occurs in the context of the awaitable_thread's executor. An
+// awaitable_thread continues to "pump" the stack frames by repeatedly resuming
+// the top stack frame until the stack is empty, or until ownership of the
+// stack is transferred to another awaitable_thread object.
+//
+//                +------------------------------------+
+//                | top_of_stack_                      |
+//                |                                    V
+// +--------------+---+                            +-----------------+
+// |                  |                            |                 |
+// | awaitable_thread |<---------------------------+ awaitable_frame |
+// |                  |           attached_thread_ |                 |
+// +--------------+---+           (Set only when   +---+-------------+
+//                |               frames are being     |
+//                |               actively pumped      | caller_
+//                |               by a thread, and     |
+//                |               then only for        V
+//                |               the top frame.)  +-----------------+
+//                |                                |                 |
+//                |                                | awaitable_frame |
+//                |                                |                 |
+//                |                                +---+-------------+
+//                |                                    |
+//                |                                    | caller_
+//                |                                    :
+//                |                                    :
+//                |                                    |
+//                |                                    V
+//                |                                +-----------------+
+//                | bottom_of_stack_               |                 |
+//                +------------------------------->| awaitable_frame |
+//                                                 |                 |
+//                                                 +-----------------+
+
+template <typename Executor>
+class awaitable_frame_base
+{
+public:
+#if !defined(ASIO_DISABLE_AWAITABLE_FRAME_RECYCLING)
+  void* operator new(std::size_t size)
+  {
+    return asio::detail::thread_info_base::allocate(
+        asio::detail::thread_info_base::awaitable_frame_tag(),
+        asio::detail::thread_context::thread_call_stack::top(),
+        size);
+  }
+
+  void operator delete(void* pointer, std::size_t size)
+  {
+    asio::detail::thread_info_base::deallocate(
+        asio::detail::thread_info_base::awaitable_frame_tag(),
+        asio::detail::thread_context::thread_call_stack::top(),
+        pointer, size);
+  }
+#endif // !defined(ASIO_DISABLE_AWAITABLE_FRAME_RECYCLING)
+
+  // The frame starts in a suspended state until the awaitable_thread object
+  // pumps the stack.
+  auto initial_suspend() noexcept
+  {
+    return suspend_always();
+  }
+
+  // On final suspension the frame is popped from the top of the stack.
+  auto final_suspend() noexcept
+  {
+    struct result
+    {
+      awaitable_frame_base* this_;
+
+      bool await_ready() const noexcept
+      {
+        return false;
+      }
+
+      void await_suspend(coroutine_handle<void>) noexcept
+      {
+        this_->pop_frame();
+      }
+
+      void await_resume() const noexcept
+      {
+      }
+    };
+
+    return result{this};
+  }
+
+  void set_except(std::exception_ptr e) noexcept
+  {
+    pending_exception_ = e;
+  }
+
+  void set_error(const asio::error_code& ec)
+  {
+    this->set_except(std::make_exception_ptr(asio::system_error(ec)));
+  }
+
+  void unhandled_exception()
+  {
+    set_except(std::current_exception());
+  }
+
+  void rethrow_exception()
+  {
+    if (pending_exception_)
+    {
+      std::exception_ptr ex = std::exchange(pending_exception_, nullptr);
+      std::rethrow_exception(ex);
+    }
+  }
+
+  template <typename T>
+  auto await_transform(awaitable<T, Executor> a) const
+  {
+    return a;
+  }
+
+  // This await transformation obtains the associated executor of the thread of
+  // execution.
+  auto await_transform(this_coro::executor_t) noexcept
+  {
+    struct result
+    {
+      awaitable_frame_base* this_;
+
+      bool await_ready() const noexcept
+      {
+        return true;
+      }
+
+      void await_suspend(coroutine_handle<void>) noexcept
+      {
+      }
+
+      auto await_resume() const noexcept
+      {
+        return this_->attached_thread_->get_executor();
+      }
+    };
+
+    return result{this};
+  }
+
+  // This await transformation is used to run an async operation's initiation
+  // function object after the coroutine has been suspended. This ensures that
+  // immediate resumption of the coroutine in another thread does not cause a
+  // race condition.
+  template <typename Function>
+  auto await_transform(Function f,
+      typename enable_if<
+        is_convertible<
+          typename result_of<Function(awaitable_frame_base*)>::type,
+          awaitable_thread<Executor>*
+        >::value
+      >::type* = 0)
+  {
+    struct result
+    {
+      Function function_;
+      awaitable_frame_base* this_;
+
+      bool await_ready() const noexcept
+      {
+        return false;
+      }
+
+      void await_suspend(coroutine_handle<void>) noexcept
+      {
+        function_(this_);
+      }
+
+      void await_resume() const noexcept
+      {
+      }
+    };
+
+    return result{std::move(f), this};
+  }
+
+  void attach_thread(awaitable_thread<Executor>* handler) noexcept
+  {
+    attached_thread_ = handler;
+  }
+
+  awaitable_thread<Executor>* detach_thread() noexcept
+  {
+    return std::exchange(attached_thread_, nullptr);
+  }
+
+  void push_frame(awaitable_frame_base<Executor>* caller) noexcept
+  {
+    caller_ = caller;
+    attached_thread_ = caller_->attached_thread_;
+    attached_thread_->top_of_stack_ = this;
+    caller_->attached_thread_ = nullptr;
+  }
+
+  void pop_frame() noexcept
+  {
+    if (caller_)
+      caller_->attached_thread_ = attached_thread_;
+    attached_thread_->top_of_stack_ = caller_;
+    attached_thread_ = nullptr;
+    caller_ = nullptr;
+  }
+
+  void resume()
+  {
+    coro_.resume();
+  }
+
+  void destroy()
+  {
+    coro_.destroy();
+  }
+
+protected:
+  coroutine_handle<void> coro_ = nullptr;
+  awaitable_thread<Executor>* attached_thread_ = nullptr;
+  awaitable_frame_base<Executor>* caller_ = nullptr;
+  std::exception_ptr pending_exception_ = nullptr;
+};
+
+template <typename T, typename Executor>
+class awaitable_frame
+  : public awaitable_frame_base<Executor>
+{
+public:
+  awaitable_frame() noexcept
+  {
+  }
+
+  awaitable_frame(awaitable_frame&& other) noexcept
+    : awaitable_frame_base<Executor>(std::move(other))
+  {
+  }
+
+  ~awaitable_frame()
+  {
+    if (has_result_)
+      static_cast<T*>(static_cast<void*>(result_))->~T();
+  }
+
+  awaitable<T, Executor> get_return_object() noexcept
+  {
+    this->coro_ = coroutine_handle<awaitable_frame>::from_promise(*this);
+    return awaitable<T, Executor>(this);
+  };
+
+  template <typename U>
+  void return_value(U&& u)
+  {
+    new (&result_) T(std::forward<U>(u));
+    has_result_ = true;
+  }
+
+  template <typename... Us>
+  void return_values(Us&&... us)
+  {
+    this->return_value(std::forward_as_tuple(std::forward<Us>(us)...));
+  }
+
+  T get()
+  {
+    this->caller_ = nullptr;
+    this->rethrow_exception();
+    return std::move(*static_cast<T*>(static_cast<void*>(result_)));
+  }
+
+private:
+  alignas(T) unsigned char result_[sizeof(T)];
+  bool has_result_ = false;
+};
+
+template <typename Executor>
+class awaitable_frame<void, Executor>
+  : public awaitable_frame_base<Executor>
+{
+public:
+  awaitable<void, Executor> get_return_object()
+  {
+    this->coro_ = coroutine_handle<awaitable_frame>::from_promise(*this);
+    return awaitable<void, Executor>(this);
+  };
+
+  void return_void()
+  {
+  }
+
+  void get()
+  {
+    this->caller_ = nullptr;
+    this->rethrow_exception();
+  }
+};
+
+template <typename Executor>
+class awaitable_thread
+{
+public:
+  typedef Executor executor_type;
+
+  // Construct from the entry point of a new thread of execution.
+  awaitable_thread(awaitable<void, Executor> p, const Executor& ex)
+    : bottom_of_stack_(std::move(p)),
+      top_of_stack_(bottom_of_stack_.frame_),
+      executor_(ex)
+  {
+  }
+
+  // Transfer ownership from another awaitable_thread.
+  awaitable_thread(awaitable_thread&& other) noexcept
+    : bottom_of_stack_(std::move(other.bottom_of_stack_)),
+      top_of_stack_(std::exchange(other.top_of_stack_, nullptr)),
+      executor_(std::move(other.executor_))
+  {
+  }
+
+  // Clean up with a last ditch effort to ensure the thread is unwound within
+  // the context of the executor.
+  ~awaitable_thread()
+  {
+    if (bottom_of_stack_.valid())
+    {
+      // Coroutine "stack unwinding" must be performed through the executor.
+      (post)(executor_,
+          [a = std::move(bottom_of_stack_)]() mutable
+          {
+            awaitable<void, Executor>(std::move(a));
+          });
+    }
+  }
+
+  executor_type get_executor() const noexcept
+  {
+    return executor_;
+  }
+
+  // Launch a new thread of execution.
+  void launch()
+  {
+    top_of_stack_->attach_thread(this);
+    pump();
+  }
+
+protected:
+  template <typename> friend class awaitable_frame_base;
+
+  // Repeatedly resume the top stack frame until the stack is empty or until it
+  // has been transferred to another resumable_thread object.
+  void pump()
+  {
+    do top_of_stack_->resume(); while (top_of_stack_);
+    if (bottom_of_stack_.valid())
+    {
+      awaitable<void, Executor> a(std::move(bottom_of_stack_));
+      a.frame_->rethrow_exception();
+    }
+  }
+
+  awaitable<void, Executor> bottom_of_stack_;
+  awaitable_frame_base<Executor>* top_of_stack_;
+  executor_type executor_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+namespace std { namespace experimental {
+
+template <typename T, typename Executor, typename... Args>
+struct coroutine_traits<asio::awaitable<T, Executor>, Args...>
+{
+  typedef asio::detail::awaitable_frame<T, Executor> promise_type;
+};
+
+}} // namespace std::experimental
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IMPL_AWAITABLE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/buffered_read_stream.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/buffered_read_stream.hpp
index 00a11d8..41cd04f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/buffered_read_stream.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/buffered_read_stream.hpp
@@ -2,7 +2,7 @@
 // impl/buffered_read_stream.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -21,6 +21,7 @@
 #include "asio/detail/handler_cont_helpers.hpp"
 #include "asio/detail/handler_invoke_helpers.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
 
 #include "asio/detail/push_options.hpp"
 
@@ -137,6 +138,28 @@ namespace detail
     asio_handler_invoke_helpers::invoke(
         function, this_handler->handler_);
   }
+
+  struct initiate_async_buffered_fill
+  {
+    template <typename ReadHandler, typename Stream>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        buffered_stream_storage* storage, Stream* next_layer) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      non_const_lvalue<ReadHandler> handler2(handler);
+      std::size_t previous_size = storage->size();
+      storage->resize(storage->capacity());
+      next_layer->async_read_some(
+          buffer(
+            storage->data() + previous_size,
+            storage->size() - previous_size),
+          buffered_fill_handler<typename decay<ReadHandler>::type>(
+            *storage, previous_size, handler2.value));
+    }
+  };
 } // namespace detail
 
 #if !defined(GENERATING_DOCUMENTATION)
@@ -176,24 +199,9 @@ ASIO_INITFN_RESULT_TYPE(ReadHandler,
 buffered_read_stream<Stream>::async_fill(
     ASIO_MOVE_ARG(ReadHandler) handler)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a ReadHandler.
-  ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-  async_completion<ReadHandler,
-    void (asio::error_code, std::size_t)> init(handler);
-
-  std::size_t previous_size = storage_.size();
-  storage_.resize(storage_.capacity());
-  next_layer_.async_read_some(
-      buffer(
-        storage_.data() + previous_size,
-        storage_.size() - previous_size),
-      detail::buffered_fill_handler<ASIO_HANDLER_TYPE(
-        ReadHandler, void (asio::error_code, std::size_t))>(
-        storage_, previous_size, init.completion_handler));
-
-  return init.result.get();
+  return async_initiate<ReadHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_buffered_fill(), handler, &storage_, &next_layer_);
 }
 
 template <typename Stream>
@@ -326,6 +334,38 @@ namespace detail
     asio_handler_invoke_helpers::invoke(
         function, this_handler->handler_);
   }
+
+  struct initiate_async_buffered_read_some
+  {
+    template <typename ReadHandler, typename Stream,
+        typename MutableBufferSequence>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        buffered_stream_storage* storage, Stream* next_layer,
+        const MutableBufferSequence& buffers) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      using asio::buffer_size;
+      non_const_lvalue<ReadHandler> handler2(handler);
+      if (buffer_size(buffers) == 0 || !storage->empty())
+      {
+        next_layer->async_read_some(ASIO_MUTABLE_BUFFER(0, 0),
+            buffered_read_some_handler<MutableBufferSequence,
+              typename decay<ReadHandler>::type>(
+                *storage, buffers, handler2.value));
+      }
+      else
+      {
+        initiate_async_buffered_fill()(
+            buffered_read_some_handler<MutableBufferSequence,
+              typename decay<ReadHandler>::type>(
+                *storage, buffers, handler2.value),
+            storage, next_layer);
+      }
+    }
+  };
 } // namespace detail
 
 #if !defined(GENERATING_DOCUMENTATION)
@@ -374,31 +414,10 @@ buffered_read_stream<Stream>::async_read_some(
     const MutableBufferSequence& buffers,
     ASIO_MOVE_ARG(ReadHandler) handler)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a ReadHandler.
-  ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-  async_completion<ReadHandler,
-    void (asio::error_code, std::size_t)> init(handler);
-
-  using asio::buffer_size;
-  if (buffer_size(buffers) == 0 || !storage_.empty())
-  {
-    next_layer_.async_read_some(ASIO_MUTABLE_BUFFER(0, 0),
-        detail::buffered_read_some_handler<
-          MutableBufferSequence, ASIO_HANDLER_TYPE(
-            ReadHandler, void (asio::error_code, std::size_t))>(
-            storage_, buffers, init.completion_handler));
-  }
-  else
-  {
-    this->async_fill(detail::buffered_read_some_handler<
-          MutableBufferSequence, ASIO_HANDLER_TYPE(
-            ReadHandler, void (asio::error_code, std::size_t))>(
-            storage_, buffers, init.completion_handler));
-  }
-
-  return init.result.get();
+  return async_initiate<ReadHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_buffered_read_some(),
+      handler, &storage_, &next_layer_, buffers);
 }
 
 template <typename Stream>
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/buffered_write_stream.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/buffered_write_stream.hpp
index 25290f3..9d6f8ff 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/buffered_write_stream.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/buffered_write_stream.hpp
@@ -2,7 +2,7 @@
 // impl/buffered_write_stream.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -21,6 +21,7 @@
 #include "asio/detail/handler_cont_helpers.hpp"
 #include "asio/detail/handler_invoke_helpers.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
 
 #include "asio/detail/push_options.hpp"
 
@@ -123,6 +124,23 @@ namespace detail
     asio_handler_invoke_helpers::invoke(
         function, this_handler->handler_);
   }
+
+  struct initiate_async_buffered_flush
+  {
+    template <typename WriteHandler, typename Stream>
+    void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
+        buffered_stream_storage* storage, Stream* next_layer) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WriteHandler.
+      ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
+
+      non_const_lvalue<WriteHandler> handler2(handler);
+      async_write(*next_layer, buffer(storage->data(), storage->size()),
+          buffered_flush_handler<typename decay<WriteHandler>::type>(
+            *storage, handler2.value));
+    }
+  };
 } // namespace detail
 
 #if !defined(GENERATING_DOCUMENTATION)
@@ -162,19 +180,10 @@ ASIO_INITFN_RESULT_TYPE(WriteHandler,
 buffered_write_stream<Stream>::async_flush(
     ASIO_MOVE_ARG(WriteHandler) handler)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a WriteHandler.
-  ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-  async_completion<WriteHandler,
-    void (asio::error_code, std::size_t)> init(handler);
-
-  async_write(next_layer_, buffer(storage_.data(), storage_.size()),
-      detail::buffered_flush_handler<ASIO_HANDLER_TYPE(
-        WriteHandler, void (asio::error_code, std::size_t))>(
-        storage_, init.completion_handler));
-
-  return init.result.get();
+  return async_initiate<WriteHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_buffered_flush(),
+      handler, &storage_, &next_layer_);
 }
 
 template <typename Stream>
@@ -313,6 +322,38 @@ namespace detail
     asio_handler_invoke_helpers::invoke(
         function, this_handler->handler_);
   }
+
+  struct initiate_async_buffered_write_some
+  {
+    template <typename WriteHandler, typename Stream,
+        typename ConstBufferSequence>
+    void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
+        buffered_stream_storage* storage, Stream* next_layer,
+        const ConstBufferSequence& buffers) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WriteHandler.
+      ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
+
+      using asio::buffer_size;
+      non_const_lvalue<WriteHandler> handler2(handler);
+      if (buffer_size(buffers) == 0 || storage->size() < storage->capacity())
+      {
+        next_layer->async_write_some(ASIO_CONST_BUFFER(0, 0),
+            buffered_write_some_handler<ConstBufferSequence,
+              typename decay<WriteHandler>::type>(
+                *storage, buffers, handler2.value));
+      }
+      else
+      {
+        initiate_async_buffered_flush()(
+            buffered_write_some_handler<ConstBufferSequence,
+              typename decay<WriteHandler>::type>(
+                *storage, buffers, handler2.value),
+            storage, next_layer);
+      }
+    }
+  };
 } // namespace detail
 
 #if !defined(GENERATING_DOCUMENTATION)
@@ -361,32 +402,10 @@ buffered_write_stream<Stream>::async_write_some(
     const ConstBufferSequence& buffers,
     ASIO_MOVE_ARG(WriteHandler) handler)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a WriteHandler.
-  ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-  async_completion<WriteHandler,
-    void (asio::error_code, std::size_t)> init(handler);
-
-  using asio::buffer_size;
-  if (buffer_size(buffers) == 0
-      || storage_.size() < storage_.capacity())
-  {
-    next_layer_.async_write_some(ASIO_CONST_BUFFER(0, 0),
-        detail::buffered_write_some_handler<
-          ConstBufferSequence, ASIO_HANDLER_TYPE(
-            WriteHandler, void (asio::error_code, std::size_t))>(
-            storage_, buffers, init.completion_handler));
-  }
-  else
-  {
-    this->async_flush(detail::buffered_write_some_handler<
-          ConstBufferSequence, ASIO_HANDLER_TYPE(
-            WriteHandler, void (asio::error_code, std::size_t))>(
-            storage_, buffers, init.completion_handler));
-  }
-
-  return init.result.get();
+  return async_initiate<WriteHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_buffered_write_some(),
+      handler, &storage_, &next_layer_, buffers);
 }
 
 template <typename Stream>
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/co_spawn.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/co_spawn.hpp
new file mode 100644
index 0000000..40c5122
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/co_spawn.hpp
@@ -0,0 +1,138 @@
+//
+// impl/co_spawn.hpp
+// ~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IMPL_CO_SPAWN_HPP
+#define ASIO_IMPL_CO_SPAWN_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/awaitable.hpp"
+#include "asio/dispatch.hpp"
+#include "asio/post.hpp"
+#include "asio/use_awaitable.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace detail {
+
+template <typename T, typename Executor, typename F, typename Handler>
+awaitable<void, Executor> co_spawn_entry_point(
+    awaitable<T, Executor>*, Executor ex, F f, Handler handler)
+{
+  auto spawn_work = make_work_guard(ex);
+  auto handler_work = make_work_guard(handler, ex);
+
+  (void) co_await (post)(spawn_work.get_executor(),
+      use_awaitable_t<Executor>{});
+
+  bool done = false;
+  try
+  {
+    T t = co_await f();
+
+    done = true;
+
+    (dispatch)(handler_work.get_executor(),
+        [handler = std::move(handler), t = std::move(t)]() mutable
+        {
+          handler(std::exception_ptr(), std::move(t));
+        });
+  }
+  catch (...)
+  {
+    if (done)
+      throw;
+
+    (dispatch)(handler_work.get_executor(),
+        [handler = std::move(handler), e = std::current_exception()]() mutable
+        {
+          handler(e, T());
+        });
+  }
+}
+
+template <typename Executor, typename F, typename Handler>
+awaitable<void, Executor> co_spawn_entry_point(
+    awaitable<void, Executor>*, Executor ex, F f, Handler handler)
+{
+  auto spawn_work = make_work_guard(ex);
+  auto handler_work = make_work_guard(handler, ex);
+
+  (void) co_await (post)(spawn_work.get_executor(),
+      use_awaitable_t<Executor>{});
+
+  std::exception_ptr e = nullptr;
+  try
+  {
+    co_await f();
+  }
+  catch (...)
+  {
+    e = std::current_exception();
+  }
+
+  (dispatch)(handler_work.get_executor(),
+      [handler = std::move(handler), e]() mutable
+      {
+        handler(e);
+      });
+}
+
+struct initiate_co_spawn
+{
+  template <typename Handler, typename Executor, typename F>
+  void operator()(Handler&& handler, const Executor& ex, F&& f) const
+  {
+    typedef typename result_of<F()>::type awaitable_type;
+    typedef typename awaitable_type::executor_type executor_type;
+
+    executor_type ex2(ex);
+    auto a = (co_spawn_entry_point)(static_cast<awaitable_type*>(nullptr),
+        ex2, std::forward<F>(f), std::forward<Handler>(handler));
+    awaitable_handler<executor_type, void>(std::move(a), ex2).launch();
+  }
+};
+
+} // namespace detail
+
+template <typename Executor, typename F, typename CompletionToken>
+inline ASIO_INITFN_RESULT_TYPE(CompletionToken,
+    typename detail::awaitable_signature<typename result_of<F()>::type>::type)
+co_spawn(const Executor& ex, F&& f, CompletionToken&& token,
+    typename enable_if<
+      is_executor<Executor>::value
+    >::type*)
+{
+  return async_initiate<CompletionToken,
+    typename detail::awaitable_signature<typename result_of<F()>::type>>(
+      detail::initiate_co_spawn(), token, ex, std::forward<F>(f));
+}
+
+template <typename ExecutionContext, typename F, typename CompletionToken>
+inline ASIO_INITFN_RESULT_TYPE(CompletionToken,
+    typename detail::awaitable_signature<typename result_of<F()>::type>::type)
+co_spawn(ExecutionContext& ctx, F&& f, CompletionToken&& token,
+    typename enable_if<
+      is_convertible<ExecutionContext&, execution_context&>::value
+    >::type*)
+{
+  return (co_spawn)(ctx.get_executor(), std::forward<F>(f),
+      std::forward<CompletionToken>(token));
+}
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IMPL_CO_SPAWN_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/compose.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/compose.hpp
new file mode 100644
index 0000000..3f2fefe
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/compose.hpp
@@ -0,0 +1,419 @@
+//
+// impl/compose.hpp
+// ~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IMPL_COMPOSE_HPP
+#define ASIO_IMPL_COMPOSE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/detail/handler_alloc_helpers.hpp"
+#include "asio/detail/handler_cont_helpers.hpp"
+#include "asio/detail/handler_invoke_helpers.hpp"
+#include "asio/detail/type_traits.hpp"
+#include "asio/detail/variadic_templates.hpp"
+#include "asio/executor_work_guard.hpp"
+#include "asio/is_executor.hpp"
+#include "asio/system_executor.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+
+namespace detail
+{
+  template <typename>
+  struct composed_work;
+
+  template <>
+  struct composed_work<void()>
+  {
+    composed_work() ASIO_NOEXCEPT
+      : head_(system_executor())
+    {
+    }
+
+    void reset()
+    {
+      head_.reset();
+    }
+
+    typedef system_executor head_type;
+    executor_work_guard<system_executor> head_;
+  };
+
+  inline composed_work<void()> make_composed_work()
+  {
+    return composed_work<void()>();
+  }
+
+  template <typename Head>
+  struct composed_work<void(Head)>
+  {
+    explicit composed_work(const Head& ex) ASIO_NOEXCEPT
+      : head_(ex)
+    {
+    }
+
+    void reset()
+    {
+      head_.reset();
+    }
+
+    typedef Head head_type;
+    executor_work_guard<Head> head_;
+  };
+
+  template <typename Head>
+  inline composed_work<void(Head)> make_composed_work(const Head& head)
+  {
+    return composed_work<void(Head)>(head);
+  }
+
+#if defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+  template <typename Head, typename... Tail>
+  struct composed_work<void(Head, Tail...)>
+  {
+    explicit composed_work(const Head& head,
+        const Tail&... tail) ASIO_NOEXCEPT
+      : head_(head),
+        tail_(tail...)
+    {
+    }
+
+    void reset()
+    {
+      head_.reset();
+      tail_.reset();
+    }
+
+    typedef Head head_type;
+    executor_work_guard<Head> head_;
+    composed_work<void(Tail...)> tail_;
+  };
+
+  template <typename Head, typename... Tail>
+  inline composed_work<void(Head, Tail...)>
+  make_composed_work(const Head& head, const Tail&... tail)
+  {
+    return composed_work<void(Head, Tail...)>(head, tail...);
+  }
+
+#else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+#define ASIO_PRIVATE_COMPOSED_WORK_DEF(n) \
+  template <typename Head, ASIO_VARIADIC_TPARAMS(n)> \
+  struct composed_work<void(Head, ASIO_VARIADIC_TARGS(n))> \
+  { \
+    explicit composed_work(const Head& head, \
+        ASIO_VARIADIC_CONSTREF_PARAMS(n)) ASIO_NOEXCEPT \
+      : head_(head), \
+        tail_(ASIO_VARIADIC_BYVAL_ARGS(n)) \
+    { \
+    } \
+  \
+    void reset() \
+    { \
+      head_.reset(); \
+      tail_.reset(); \
+    } \
+  \
+    typedef Head head_type; \
+    executor_work_guard<Head> head_; \
+    composed_work<void(ASIO_VARIADIC_TARGS(n))> tail_; \
+  }; \
+  \
+  template <typename Head, ASIO_VARIADIC_TPARAMS(n)> \
+  inline composed_work<void(Head, ASIO_VARIADIC_TARGS(n))> \
+  make_composed_work(const Head& head, ASIO_VARIADIC_CONSTREF_PARAMS(n)) \
+  { \
+    return composed_work< \
+      void(Head, ASIO_VARIADIC_TARGS(n))>( \
+        head, ASIO_VARIADIC_BYVAL_ARGS(n)); \
+  } \
+  /**/
+  ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_COMPOSED_WORK_DEF)
+#undef ASIO_PRIVATE_COMPOSED_WORK_DEF
+
+#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+#if defined(ASIO_HAS_VARIADIC_TEMPLATES)
+  template <typename Impl, typename Work, typename Handler, typename Signature>
+  class composed_op;
+
+  template <typename Impl, typename Work, typename Handler,
+      typename R, typename... Args>
+  class composed_op<Impl, Work, Handler, R(Args...)>
+#else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+  template <typename Impl, typename Work, typename Handler, typename Signature>
+  class composed_op
+#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+  {
+  public:
+    composed_op(ASIO_MOVE_ARG(Impl) impl,
+        ASIO_MOVE_ARG(Work) work,
+        ASIO_MOVE_ARG(Handler) handler)
+      : impl_(ASIO_MOVE_CAST(Impl)(impl)),
+        work_(ASIO_MOVE_CAST(Work)(work)),
+        handler_(ASIO_MOVE_CAST(Handler)(handler)),
+        invocations_(0)
+    {
+    }
+
+#if defined(ASIO_HAS_MOVE)
+    composed_op(composed_op&& other)
+      : impl_(ASIO_MOVE_CAST(Impl)(other.impl_)),
+        work_(ASIO_MOVE_CAST(Work)(other.work_)),
+        handler_(ASIO_MOVE_CAST(Handler)(other.handler_)),
+        invocations_(other.invocations_)
+    {
+    }
+#endif // defined(ASIO_HAS_MOVE)
+
+    typedef typename associated_executor<Handler,
+        typename Work::head_type>::type executor_type;
+
+    executor_type get_executor() const ASIO_NOEXCEPT
+    {
+      return (get_associated_executor)(handler_, work_.head_.get_executor());
+    }
+
+    typedef typename associated_allocator<Handler,
+      std::allocator<void> >::type allocator_type;
+
+    allocator_type get_allocator() const ASIO_NOEXCEPT
+    {
+      return (get_associated_allocator)(handler_, std::allocator<void>());
+    }
+
+#if defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+    template<typename... T>
+    void operator()(ASIO_MOVE_ARG(T)... t)
+    {
+      if (invocations_ < ~unsigned(0))
+        ++invocations_;
+      impl_(*this, ASIO_MOVE_CAST(T)(t)...);
+    }
+
+    void complete(Args... args)
+    {
+      this->work_.reset();
+      this->handler_(ASIO_MOVE_CAST(Args)(args)...);
+    }
+
+#else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+    void operator()()
+    {
+      if (invocations_ < ~unsigned(0))
+        ++invocations_;
+      impl_(*this);
+    }
+
+    void complete()
+    {
+      this->work_.reset();
+      this->handler_();
+    }
+
+#define ASIO_PRIVATE_COMPOSED_OP_DEF(n) \
+    template<ASIO_VARIADIC_TPARAMS(n)> \
+    void operator()(ASIO_VARIADIC_MOVE_PARAMS(n)) \
+    { \
+      if (invocations_ < ~unsigned(0)) \
+        ++invocations_; \
+      impl_(*this, ASIO_VARIADIC_MOVE_ARGS(n)); \
+    } \
+    \
+    template<ASIO_VARIADIC_TPARAMS(n)> \
+    void complete(ASIO_VARIADIC_MOVE_PARAMS(n)) \
+    { \
+      this->work_.reset(); \
+      this->handler_(ASIO_VARIADIC_MOVE_ARGS(n)); \
+    } \
+    /**/
+    ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_COMPOSED_OP_DEF)
+#undef ASIO_PRIVATE_COMPOSED_OP_DEF
+
+#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+  //private:
+    Impl impl_;
+    Work work_;
+    Handler handler_;
+    unsigned invocations_;
+  };
+
+  template <typename Impl, typename Work, typename Handler, typename Signature>
+  inline void* asio_handler_allocate(std::size_t size,
+      composed_op<Impl, Work, Handler, Signature>* this_handler)
+  {
+    return asio_handler_alloc_helpers::allocate(
+        size, this_handler->handler_);
+  }
+
+  template <typename Impl, typename Work, typename Handler, typename Signature>
+  inline void asio_handler_deallocate(void* pointer, std::size_t size,
+      composed_op<Impl, Work, Handler, Signature>* this_handler)
+  {
+    asio_handler_alloc_helpers::deallocate(
+        pointer, size, this_handler->handler_);
+  }
+
+  template <typename Impl, typename Work, typename Handler, typename Signature>
+  inline bool asio_handler_is_continuation(
+      composed_op<Impl, Work, Handler, Signature>* this_handler)
+  {
+    return this_handler->invocations_ > 1 ? true
+      : asio_handler_cont_helpers::is_continuation(
+          this_handler->handler_);
+  }
+
+  template <typename Function, typename Impl,
+      typename Work, typename Handler, typename Signature>
+  inline void asio_handler_invoke(Function& function,
+      composed_op<Impl, Work, Handler, Signature>* this_handler)
+  {
+    asio_handler_invoke_helpers::invoke(
+        function, this_handler->handler_);
+  }
+
+  template <typename Function, typename Impl,
+      typename Work, typename Handler, typename Signature>
+  inline void asio_handler_invoke(const Function& function,
+      composed_op<Impl, Work, Handler, Signature>* this_handler)
+  {
+    asio_handler_invoke_helpers::invoke(
+        function, this_handler->handler_);
+  }
+
+  template <typename Signature>
+  struct initiate_composed_op
+  {
+    template <typename Handler, typename Impl, typename Work>
+    void operator()(ASIO_MOVE_ARG(Handler) handler,
+        ASIO_MOVE_ARG(Impl) impl,
+        ASIO_MOVE_ARG(Work) work) const
+    {
+      composed_op<typename decay<Impl>::type, typename decay<Work>::type,
+        typename decay<Handler>::type, Signature>(
+          ASIO_MOVE_CAST(Impl)(impl), ASIO_MOVE_CAST(Work)(work),
+          ASIO_MOVE_CAST(Handler)(handler))();
+    }
+  };
+
+  template <typename IoObject>
+  inline typename IoObject::executor_type
+  get_composed_io_executor(IoObject& io_object)
+  {
+    return io_object.get_executor();
+  }
+
+  template <typename Executor>
+  inline const Executor& get_composed_io_executor(const Executor& ex,
+      typename enable_if<is_executor<Executor>::value>::type* = 0)
+  {
+    return ex;
+  }
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+#if defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+template <typename CompletionToken, typename Signature,
+    typename Implementation, typename... IoObjectsOrExecutors>
+ASIO_INITFN_RESULT_TYPE(CompletionToken, Signature)
+async_compose(ASIO_MOVE_ARG(Implementation) implementation,
+    ASIO_NONDEDUCED_MOVE_ARG(CompletionToken) token,
+    ASIO_MOVE_ARG(IoObjectsOrExecutors)... io_objects_or_executors)
+{
+  return async_initiate<CompletionToken, Signature>(
+      detail::initiate_composed_op<Signature>(), token,
+      ASIO_MOVE_CAST(Implementation)(implementation),
+      detail::make_composed_work(
+        detail::get_composed_io_executor(
+          ASIO_MOVE_CAST(IoObjectsOrExecutors)(
+            io_objects_or_executors))...));
+}
+
+#else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+template <typename CompletionToken, typename Signature, typename Implementation>
+ASIO_INITFN_RESULT_TYPE(CompletionToken, Signature)
+async_compose(ASIO_MOVE_ARG(Implementation) implementation,
+    ASIO_NONDEDUCED_MOVE_ARG(CompletionToken) token)
+{
+  return async_initiate<CompletionToken, Signature>(
+      detail::initiate_composed_op<Signature>(), token,
+      ASIO_MOVE_CAST(Implementation)(implementation),
+      detail::make_composed_work());
+}
+
+# define ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR(n) \
+  ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_##n
+
+# define ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_1 \
+  detail::get_composed_io_executor(ASIO_MOVE_CAST(T1)(x1))
+# define ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_2 \
+  detail::get_composed_io_executor(ASIO_MOVE_CAST(T1)(x1)), \
+  detail::get_composed_io_executor(ASIO_MOVE_CAST(T2)(x2))
+# define ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_3 \
+  detail::get_composed_io_executor(ASIO_MOVE_CAST(T1)(x1)), \
+  detail::get_composed_io_executor(ASIO_MOVE_CAST(T2)(x2)), \
+  detail::get_composed_io_executor(ASIO_MOVE_CAST(T3)(x3))
+# define ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_4 \
+  detail::get_composed_io_executor(ASIO_MOVE_CAST(T1)(x1)), \
+  detail::get_composed_io_executor(ASIO_MOVE_CAST(T2)(x2)), \
+  detail::get_composed_io_executor(ASIO_MOVE_CAST(T3)(x3)), \
+  detail::get_composed_io_executor(ASIO_MOVE_CAST(T4)(x4))
+# define ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_5 \
+  detail::get_composed_io_executor(ASIO_MOVE_CAST(T1)(x1)), \
+  detail::get_composed_io_executor(ASIO_MOVE_CAST(T2)(x2)), \
+  detail::get_composed_io_executor(ASIO_MOVE_CAST(T3)(x3)), \
+  detail::get_composed_io_executor(ASIO_MOVE_CAST(T4)(x4)), \
+  detail::get_composed_io_executor(ASIO_MOVE_CAST(T5)(x5))
+
+#define ASIO_PRIVATE_ASYNC_COMPOSE_DEF(n) \
+  template <typename CompletionToken, typename Signature, \
+      typename Implementation, ASIO_VARIADIC_TPARAMS(n)> \
+  ASIO_INITFN_RESULT_TYPE(CompletionToken, Signature) \
+  async_compose(ASIO_MOVE_ARG(Implementation) implementation, \
+      ASIO_NONDEDUCED_MOVE_ARG(CompletionToken) token, \
+      ASIO_VARIADIC_MOVE_PARAMS(n)) \
+  { \
+    return async_initiate<CompletionToken, Signature>( \
+        detail::initiate_composed_op<Signature>(), token, \
+        ASIO_MOVE_CAST(Implementation)(implementation), \
+        detail::make_composed_work( \
+          ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR(n))); \
+  } \
+  /**/
+  ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_ASYNC_COMPOSE_DEF)
+#undef ASIO_PRIVATE_ASYNC_COMPOSE_DEF
+
+#undef ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR
+#undef ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_1
+#undef ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_2
+#undef ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_3
+#undef ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_4
+#undef ASIO_PRIVATE_GET_COMPOSED_IO_EXECUTOR_5
+
+#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IMPL_COMPOSE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/connect.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/connect.hpp
index 73770a3..9392f06 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/connect.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/connect.hpp
@@ -2,7 +2,7 @@
 // impl/connect.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -23,6 +23,7 @@
 #include "asio/detail/handler_cont_helpers.hpp"
 #include "asio/detail/handler_invoke_helpers.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
 #include "asio/detail/throw_error.hpp"
 #include "asio/error.hpp"
 #include "asio/post.hpp"
@@ -100,9 +101,8 @@ namespace detail
   }
 }
 
-template <typename Protocol ASIO_SVC_TPARAM, typename EndpointSequence>
-typename Protocol::endpoint connect(
-    basic_socket<Protocol ASIO_SVC_TARG>& s,
+template <typename Protocol, typename Executor, typename EndpointSequence>
+typename Protocol::endpoint connect(basic_socket<Protocol, Executor>& s,
     const EndpointSequence& endpoints,
     typename enable_if<is_endpoint_sequence<
         EndpointSequence>::value>::type*)
@@ -113,9 +113,8 @@ typename Protocol::endpoint connect(
   return result;
 }
 
-template <typename Protocol ASIO_SVC_TPARAM, typename EndpointSequence>
-typename Protocol::endpoint connect(
-    basic_socket<Protocol ASIO_SVC_TARG>& s,
+template <typename Protocol, typename Executor, typename EndpointSequence>
+typename Protocol::endpoint connect(basic_socket<Protocol, Executor>& s,
     const EndpointSequence& endpoints, asio::error_code& ec,
     typename enable_if<is_endpoint_sequence<
         EndpointSequence>::value>::type*)
@@ -126,8 +125,8 @@ typename Protocol::endpoint connect(
 }
 
 #if !defined(ASIO_NO_DEPRECATED)
-template <typename Protocol ASIO_SVC_TPARAM, typename Iterator>
-Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s, Iterator begin,
+template <typename Protocol, typename Executor, typename Iterator>
+Iterator connect(basic_socket<Protocol, Executor>& s, Iterator begin,
     typename enable_if<!is_endpoint_sequence<Iterator>::value>::type*)
 {
   asio::error_code ec;
@@ -136,8 +135,8 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s, Iterator begin,
   return result;
 }
 
-template <typename Protocol ASIO_SVC_TPARAM, typename Iterator>
-inline Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+template <typename Protocol, typename Executor, typename Iterator>
+inline Iterator connect(basic_socket<Protocol, Executor>& s,
     Iterator begin, asio::error_code& ec,
     typename enable_if<!is_endpoint_sequence<Iterator>::value>::type*)
 {
@@ -145,8 +144,8 @@ inline Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
 }
 #endif // !defined(ASIO_NO_DEPRECATED)
 
-template <typename Protocol ASIO_SVC_TPARAM, typename Iterator>
-Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+template <typename Protocol, typename Executor, typename Iterator>
+Iterator connect(basic_socket<Protocol, Executor>& s,
     Iterator begin, Iterator end)
 {
   asio::error_code ec;
@@ -155,17 +154,16 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
   return result;
 }
 
-template <typename Protocol ASIO_SVC_TPARAM, typename Iterator>
-inline Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+template <typename Protocol, typename Executor, typename Iterator>
+inline Iterator connect(basic_socket<Protocol, Executor>& s,
     Iterator begin, Iterator end, asio::error_code& ec)
 {
   return connect(s, begin, end, detail::default_connect_condition(), ec);
 }
 
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename EndpointSequence, typename ConnectCondition>
-typename Protocol::endpoint connect(
-    basic_socket<Protocol ASIO_SVC_TARG>& s,
+typename Protocol::endpoint connect(basic_socket<Protocol, Executor>& s,
     const EndpointSequence& endpoints, ConnectCondition connect_condition,
     typename enable_if<is_endpoint_sequence<
         EndpointSequence>::value>::type*)
@@ -177,10 +175,9 @@ typename Protocol::endpoint connect(
   return result;
 }
 
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename EndpointSequence, typename ConnectCondition>
-typename Protocol::endpoint connect(
-    basic_socket<Protocol ASIO_SVC_TARG>& s,
+typename Protocol::endpoint connect(basic_socket<Protocol, Executor>& s,
     const EndpointSequence& endpoints, ConnectCondition connect_condition,
     asio::error_code& ec,
     typename enable_if<is_endpoint_sequence<
@@ -192,9 +189,9 @@ typename Protocol::endpoint connect(
 }
 
 #if !defined(ASIO_NO_DEPRECATED)
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename Iterator, typename ConnectCondition>
-Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+Iterator connect(basic_socket<Protocol, Executor>& s,
     Iterator begin, ConnectCondition connect_condition,
     typename enable_if<!is_endpoint_sequence<Iterator>::value>::type*)
 {
@@ -204,9 +201,9 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
   return result;
 }
 
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename Iterator, typename ConnectCondition>
-inline Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+inline Iterator connect(basic_socket<Protocol, Executor>& s,
     Iterator begin, ConnectCondition connect_condition,
     asio::error_code& ec,
     typename enable_if<!is_endpoint_sequence<Iterator>::value>::type*)
@@ -215,10 +212,10 @@ inline Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
 }
 #endif // !defined(ASIO_NO_DEPRECATED)
 
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename Iterator, typename ConnectCondition>
-Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
-    Iterator begin, Iterator end, ConnectCondition connect_condition)
+Iterator connect(basic_socket<Protocol, Executor>& s, Iterator begin,
+    Iterator end, ConnectCondition connect_condition)
 {
   asio::error_code ec;
   Iterator result = connect(s, begin, end, connect_condition, ec);
@@ -226,10 +223,10 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
   return result;
 }
 
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename Iterator, typename ConnectCondition>
-Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
-    Iterator begin, Iterator end, ConnectCondition connect_condition,
+Iterator connect(basic_socket<Protocol, Executor>& s, Iterator begin,
+    Iterator end, ConnectCondition connect_condition,
     asio::error_code& ec)
 {
   ec = asio::error_code();
@@ -294,13 +291,12 @@ namespace detail
     }
   };
 
-  template <typename Protocol ASIO_SVC_TPARAM,
-      typename EndpointSequence, typename ConnectCondition,
-      typename RangeConnectHandler>
+  template <typename Protocol, typename Executor, typename EndpointSequence,
+      typename ConnectCondition, typename RangeConnectHandler>
   class range_connect_op : base_from_connect_condition<ConnectCondition>
   {
   public:
-    range_connect_op(basic_socket<Protocol ASIO_SVC_TARG>& sock,
+    range_connect_op(basic_socket<Protocol, Executor>& sock,
         const EndpointSequence& endpoints,
         const ConnectCondition& connect_condition,
         RangeConnectHandler& handler)
@@ -337,10 +333,18 @@ namespace detail
 
     void operator()(asio::error_code ec, int start = 0)
     {
-      typename EndpointSequence::const_iterator begin = endpoints_.begin();
-      typename EndpointSequence::const_iterator iter = begin;
+      this->process(ec, start,
+          const_cast<const EndpointSequence&>(endpoints_).begin(),
+          const_cast<const EndpointSequence&>(endpoints_).end());
+    }
+
+  //private:
+    template <typename Iterator>
+    void process(asio::error_code ec,
+        int start, Iterator begin, Iterator end)
+    {
+      Iterator iter = begin;
       std::advance(iter, index_);
-      typename EndpointSequence::const_iterator end = endpoints_.end();
 
       switch (start_ = start)
       {
@@ -391,75 +395,92 @@ namespace detail
       }
     }
 
-  //private:
-    basic_socket<Protocol ASIO_SVC_TARG>& socket_;
+    basic_socket<Protocol, Executor>& socket_;
     EndpointSequence endpoints_;
     std::size_t index_;
     int start_;
     RangeConnectHandler handler_;
   };
 
-  template <typename Protocol ASIO_SVC_TPARAM,
-      typename EndpointSequence, typename ConnectCondition,
-      typename RangeConnectHandler>
+  template <typename Protocol, typename Executor, typename EndpointSequence,
+      typename ConnectCondition, typename RangeConnectHandler>
   inline void* asio_handler_allocate(std::size_t size,
-      range_connect_op<Protocol ASIO_SVC_TARG, EndpointSequence,
+      range_connect_op<Protocol, Executor, EndpointSequence,
         ConnectCondition, RangeConnectHandler>* this_handler)
   {
     return asio_handler_alloc_helpers::allocate(
         size, this_handler->handler_);
   }
 
-  template <typename Protocol ASIO_SVC_TPARAM,
-      typename EndpointSequence, typename ConnectCondition,
-      typename RangeConnectHandler>
+  template <typename Protocol, typename Executor, typename EndpointSequence,
+      typename ConnectCondition, typename RangeConnectHandler>
   inline void asio_handler_deallocate(void* pointer, std::size_t size,
-      range_connect_op<Protocol ASIO_SVC_TARG, EndpointSequence,
+      range_connect_op<Protocol, Executor, EndpointSequence,
         ConnectCondition, RangeConnectHandler>* this_handler)
   {
     asio_handler_alloc_helpers::deallocate(
         pointer, size, this_handler->handler_);
   }
 
-  template <typename Protocol ASIO_SVC_TPARAM,
-      typename EndpointSequence, typename ConnectCondition,
-      typename RangeConnectHandler>
+  template <typename Protocol, typename Executor, typename EndpointSequence,
+      typename ConnectCondition, typename RangeConnectHandler>
   inline bool asio_handler_is_continuation(
-      range_connect_op<Protocol ASIO_SVC_TARG, EndpointSequence,
+      range_connect_op<Protocol, Executor, EndpointSequence,
         ConnectCondition, RangeConnectHandler>* this_handler)
   {
     return asio_handler_cont_helpers::is_continuation(
         this_handler->handler_);
   }
 
-  template <typename Function, typename Protocol
-      ASIO_SVC_TPARAM, typename EndpointSequence,
-      typename ConnectCondition, typename RangeConnectHandler>
+  template <typename Function, typename Executor, typename Protocol,
+      typename EndpointSequence, typename ConnectCondition,
+      typename RangeConnectHandler>
   inline void asio_handler_invoke(Function& function,
-      range_connect_op<Protocol ASIO_SVC_TARG, EndpointSequence,
+      range_connect_op<Protocol, Executor, EndpointSequence,
         ConnectCondition, RangeConnectHandler>* this_handler)
   {
     asio_handler_invoke_helpers::invoke(
         function, this_handler->handler_);
   }
 
-  template <typename Function, typename Protocol
-      ASIO_SVC_TPARAM, typename EndpointSequence,
-      typename ConnectCondition, typename RangeConnectHandler>
+  template <typename Function, typename Executor, typename Protocol,
+      typename EndpointSequence, typename ConnectCondition,
+      typename RangeConnectHandler>
   inline void asio_handler_invoke(const Function& function,
-      range_connect_op<Protocol ASIO_SVC_TARG, EndpointSequence,
+      range_connect_op<Protocol, Executor, EndpointSequence,
         ConnectCondition, RangeConnectHandler>* this_handler)
   {
     asio_handler_invoke_helpers::invoke(
         function, this_handler->handler_);
   }
 
-  template <typename Protocol ASIO_SVC_TPARAM, typename Iterator,
+  struct initiate_async_range_connect
+  {
+    template <typename RangeConnectHandler, typename Protocol,
+        typename Executor, typename EndpointSequence, typename ConnectCondition>
+    void operator()(ASIO_MOVE_ARG(RangeConnectHandler) handler,
+        basic_socket<Protocol, Executor>* s, const EndpointSequence& endpoints,
+        const ConnectCondition& connect_condition) const
+    {
+      // If you get an error on the following line it means that your
+      // handler does not meet the documented type requirements for an
+      // RangeConnectHandler.
+      ASIO_RANGE_CONNECT_HANDLER_CHECK(RangeConnectHandler,
+          handler, typename Protocol::endpoint) type_check;
+
+      non_const_lvalue<RangeConnectHandler> handler2(handler);
+      range_connect_op<Protocol, Executor, EndpointSequence, ConnectCondition,
+        typename decay<RangeConnectHandler>::type>(*s, endpoints,
+          connect_condition, handler2.value)(asio::error_code(), 1);
+    }
+  };
+
+  template <typename Protocol, typename Executor, typename Iterator,
       typename ConnectCondition, typename IteratorConnectHandler>
   class iterator_connect_op : base_from_connect_condition<ConnectCondition>
   {
   public:
-    iterator_connect_op(basic_socket<Protocol ASIO_SVC_TARG>& sock,
+    iterator_connect_op(basic_socket<Protocol, Executor>& sock,
         const Iterator& begin, const Iterator& end,
         const ConnectCondition& connect_condition,
         IteratorConnectHandler& handler)
@@ -543,82 +564,101 @@ namespace detail
     }
 
   //private:
-    basic_socket<Protocol ASIO_SVC_TARG>& socket_;
+    basic_socket<Protocol, Executor>& socket_;
     Iterator iter_;
     Iterator end_;
     int start_;
     IteratorConnectHandler handler_;
   };
 
-  template <typename Protocol ASIO_SVC_TPARAM, typename Iterator,
+  template <typename Protocol, typename Executor, typename Iterator,
       typename ConnectCondition, typename IteratorConnectHandler>
   inline void* asio_handler_allocate(std::size_t size,
-      iterator_connect_op<Protocol ASIO_SVC_TARG, Iterator,
+      iterator_connect_op<Protocol, Executor, Iterator,
         ConnectCondition, IteratorConnectHandler>* this_handler)
   {
     return asio_handler_alloc_helpers::allocate(
         size, this_handler->handler_);
   }
 
-  template <typename Protocol ASIO_SVC_TPARAM, typename Iterator,
+  template <typename Protocol, typename Executor, typename Iterator,
       typename ConnectCondition, typename IteratorConnectHandler>
   inline void asio_handler_deallocate(void* pointer, std::size_t size,
-      iterator_connect_op<Protocol ASIO_SVC_TARG, Iterator,
+      iterator_connect_op<Protocol, Executor, Iterator,
         ConnectCondition, IteratorConnectHandler>* this_handler)
   {
     asio_handler_alloc_helpers::deallocate(
         pointer, size, this_handler->handler_);
   }
 
-  template <typename Protocol ASIO_SVC_TPARAM, typename Iterator,
+  template <typename Protocol, typename Executor, typename Iterator,
       typename ConnectCondition, typename IteratorConnectHandler>
   inline bool asio_handler_is_continuation(
-      iterator_connect_op<Protocol ASIO_SVC_TARG, Iterator,
+      iterator_connect_op<Protocol, Executor, Iterator,
         ConnectCondition, IteratorConnectHandler>* this_handler)
   {
     return asio_handler_cont_helpers::is_continuation(
         this_handler->handler_);
   }
 
-  template <typename Function, typename Protocol
-      ASIO_SVC_TPARAM, typename Iterator,
-      typename ConnectCondition, typename IteratorConnectHandler>
+  template <typename Function, typename Executor, typename Protocol,
+      typename Iterator, typename ConnectCondition,
+      typename IteratorConnectHandler>
   inline void asio_handler_invoke(Function& function,
-      iterator_connect_op<Protocol ASIO_SVC_TARG, Iterator,
+      iterator_connect_op<Protocol, Executor, Iterator,
         ConnectCondition, IteratorConnectHandler>* this_handler)
   {
     asio_handler_invoke_helpers::invoke(
         function, this_handler->handler_);
   }
 
-  template <typename Function, typename Protocol
-      ASIO_SVC_TPARAM, typename Iterator,
-      typename ConnectCondition, typename IteratorConnectHandler>
+  template <typename Function, typename Executor, typename Protocol,
+      typename Iterator, typename ConnectCondition,
+      typename IteratorConnectHandler>
   inline void asio_handler_invoke(const Function& function,
-      iterator_connect_op<Protocol ASIO_SVC_TARG, Iterator,
+      iterator_connect_op<Protocol, Executor, Iterator,
         ConnectCondition, IteratorConnectHandler>* this_handler)
   {
     asio_handler_invoke_helpers::invoke(
         function, this_handler->handler_);
   }
+
+  struct initiate_async_iterator_connect
+  {
+    template <typename IteratorConnectHandler, typename Protocol,
+        typename Executor, typename Iterator, typename ConnectCondition>
+    void operator()(ASIO_MOVE_ARG(IteratorConnectHandler) handler,
+        basic_socket<Protocol, Executor>* s, Iterator begin,
+        Iterator end, const ConnectCondition& connect_condition) const
+    {
+      // If you get an error on the following line it means that your
+      // handler does not meet the documented type requirements for an
+      // IteratorConnectHandler.
+      ASIO_ITERATOR_CONNECT_HANDLER_CHECK(
+          IteratorConnectHandler, handler, Iterator) type_check;
+
+      non_const_lvalue<IteratorConnectHandler> handler2(handler);
+      iterator_connect_op<Protocol, Executor, Iterator, ConnectCondition,
+        typename decay<IteratorConnectHandler>::type>(*s, begin, end,
+          connect_condition, handler2.value)(asio::error_code(), 1);
+    }
+  };
 } // namespace detail
 
 #if !defined(GENERATING_DOCUMENTATION)
 
-template <typename Protocol ASIO_SVC_TPARAM,
-    typename EndpointSequence, typename ConnectCondition,
-    typename RangeConnectHandler, typename Allocator>
+template <typename Protocol, typename Executor, typename EndpointSequence,
+    typename ConnectCondition, typename RangeConnectHandler, typename Allocator>
 struct associated_allocator<
-    detail::range_connect_op<Protocol ASIO_SVC_TARG,
-      EndpointSequence, ConnectCondition, RangeConnectHandler>,
-    Allocator>
+    detail::range_connect_op<Protocol, Executor, EndpointSequence,
+      ConnectCondition, RangeConnectHandler>, Allocator>
 {
   typedef typename associated_allocator<
       RangeConnectHandler, Allocator>::type type;
 
   static type get(
-      const detail::range_connect_op<Protocol ASIO_SVC_TARG,
-        EndpointSequence, ConnectCondition, RangeConnectHandler>& h,
+      const detail::range_connect_op<Protocol, Executor, EndpointSequence,
+        ConnectCondition, RangeConnectHandler>& h,
       const Allocator& a = Allocator()) ASIO_NOEXCEPT
   {
     return associated_allocator<RangeConnectHandler,
@@ -626,40 +666,38 @@ struct associated_allocator<
   }
 };
 
-template <typename Protocol ASIO_SVC_TPARAM,
-    typename EndpointSequence, typename ConnectCondition,
-    typename RangeConnectHandler, typename Executor>
+template <typename Protocol, typename Executor, typename EndpointSequence,
+    typename ConnectCondition, typename RangeConnectHandler, typename Executor1>
 struct associated_executor<
-    detail::range_connect_op<Protocol ASIO_SVC_TARG,
-      EndpointSequence, ConnectCondition, RangeConnectHandler>,
-    Executor>
+    detail::range_connect_op<Protocol, Executor, EndpointSequence,
+      ConnectCondition, RangeConnectHandler>, Executor1>
 {
   typedef typename associated_executor<
-      RangeConnectHandler, Executor>::type type;
+      RangeConnectHandler, Executor1>::type type;
 
   static type get(
-      const detail::range_connect_op<Protocol ASIO_SVC_TARG,
-        EndpointSequence, ConnectCondition, RangeConnectHandler>& h,
-      const Executor& ex = Executor()) ASIO_NOEXCEPT
+      const detail::range_connect_op<Protocol, Executor, EndpointSequence,
+      ConnectCondition, RangeConnectHandler>& h,
+      const Executor1& ex = Executor1()) ASIO_NOEXCEPT
   {
     return associated_executor<RangeConnectHandler,
-        Executor>::get(h.handler_, ex);
+        Executor1>::get(h.handler_, ex);
   }
 };
 
-template <typename Protocol ASIO_SVC_TPARAM,
-    typename Iterator, typename ConnectCondition,
-    typename IteratorConnectHandler, typename Allocator>
+template <typename Protocol, typename Executor, typename Iterator,
+    typename ConnectCondition, typename IteratorConnectHandler,
+    typename Allocator>
 struct associated_allocator<
-    detail::iterator_connect_op<Protocol ASIO_SVC_TARG, Iterator,
-      ConnectCondition, IteratorConnectHandler>,
+    detail::iterator_connect_op<Protocol, Executor,
+      Iterator, ConnectCondition, IteratorConnectHandler>,
     Allocator>
 {
   typedef typename associated_allocator<
       IteratorConnectHandler, Allocator>::type type;
 
   static type get(
-      const detail::iterator_connect_op<Protocol ASIO_SVC_TARG,
+      const detail::iterator_connect_op<Protocol, Executor,
         Iterator, ConnectCondition, IteratorConnectHandler>& h,
       const Allocator& a = Allocator()) ASIO_NOEXCEPT
   {
@@ -668,189 +706,119 @@ struct associated_allocator<
   }
 };
 
-template <typename Protocol ASIO_SVC_TPARAM,
-    typename Iterator, typename ConnectCondition,
-    typename IteratorConnectHandler, typename Executor>
+template <typename Protocol, typename Executor, typename Iterator,
+    typename ConnectCondition, typename IteratorConnectHandler,
+    typename Executor1>
 struct associated_executor<
-    detail::iterator_connect_op<Protocol ASIO_SVC_TARG, Iterator,
-      ConnectCondition, IteratorConnectHandler>,
-    Executor>
+    detail::iterator_connect_op<Protocol, Executor,
+      Iterator, ConnectCondition, IteratorConnectHandler>,
+    Executor1>
 {
   typedef typename associated_executor<
-      IteratorConnectHandler, Executor>::type type;
+      IteratorConnectHandler, Executor1>::type type;
 
   static type get(
-      const detail::iterator_connect_op<Protocol ASIO_SVC_TARG,
+      const detail::iterator_connect_op<Protocol, Executor,
         Iterator, ConnectCondition, IteratorConnectHandler>& h,
-      const Executor& ex = Executor()) ASIO_NOEXCEPT
+      const Executor1& ex = Executor1()) ASIO_NOEXCEPT
   {
     return associated_executor<IteratorConnectHandler,
-        Executor>::get(h.handler_, ex);
+        Executor1>::get(h.handler_, ex);
   }
 };
 
 #endif // !defined(GENERATING_DOCUMENTATION)
 
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename EndpointSequence, typename RangeConnectHandler>
 inline ASIO_INITFN_RESULT_TYPE(RangeConnectHandler,
     void (asio::error_code, typename Protocol::endpoint))
-async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+async_connect(basic_socket<Protocol, Executor>& s,
     const EndpointSequence& endpoints,
     ASIO_MOVE_ARG(RangeConnectHandler) handler,
     typename enable_if<is_endpoint_sequence<
         EndpointSequence>::value>::type*)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a RangeConnectHandler.
-  ASIO_RANGE_CONNECT_HANDLER_CHECK(
-      RangeConnectHandler, handler, typename Protocol::endpoint) type_check;
-
-  async_completion<RangeConnectHandler,
-    void (asio::error_code, typename Protocol::endpoint)>
-      init(handler);
-
-  detail::range_connect_op<Protocol ASIO_SVC_TARG, EndpointSequence,
-    detail::default_connect_condition,
-      ASIO_HANDLER_TYPE(RangeConnectHandler,
-        void (asio::error_code, typename Protocol::endpoint))>(s,
-          endpoints, detail::default_connect_condition(),
-            init.completion_handler)(asio::error_code(), 1);
-
-  return init.result.get();
+  return async_initiate<RangeConnectHandler,
+    void (asio::error_code, typename Protocol::endpoint)>(
+      detail::initiate_async_range_connect(), handler,
+      &s, endpoints, detail::default_connect_condition());
 }
 
 #if !defined(ASIO_NO_DEPRECATED)
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename Iterator, typename IteratorConnectHandler>
 inline ASIO_INITFN_RESULT_TYPE(IteratorConnectHandler,
     void (asio::error_code, Iterator))
-async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
-    Iterator begin, ASIO_MOVE_ARG(IteratorConnectHandler) handler,
+async_connect(basic_socket<Protocol, Executor>& s, Iterator begin,
+    ASIO_MOVE_ARG(IteratorConnectHandler) handler,
     typename enable_if<!is_endpoint_sequence<Iterator>::value>::type*)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a IteratorConnectHandler.
-  ASIO_ITERATOR_CONNECT_HANDLER_CHECK(
-      IteratorConnectHandler, handler, Iterator) type_check;
-
-  async_completion<IteratorConnectHandler,
-    void (asio::error_code, Iterator)> init(handler);
-
-  detail::iterator_connect_op<Protocol ASIO_SVC_TARG, Iterator,
-    detail::default_connect_condition, ASIO_HANDLER_TYPE(
-      IteratorConnectHandler, void (asio::error_code, Iterator))>(s,
-        begin, Iterator(), detail::default_connect_condition(),
-          init.completion_handler)(asio::error_code(), 1);
-
-  return init.result.get();
+  return async_initiate<IteratorConnectHandler,
+    void (asio::error_code, Iterator)>(
+      detail::initiate_async_iterator_connect(), handler,
+      &s, begin, Iterator(), detail::default_connect_condition());
 }
 #endif // !defined(ASIO_NO_DEPRECATED)
 
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename Iterator, typename IteratorConnectHandler>
 inline ASIO_INITFN_RESULT_TYPE(IteratorConnectHandler,
     void (asio::error_code, Iterator))
-async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
-    Iterator begin, Iterator end,
+async_connect(basic_socket<Protocol, Executor>& s, Iterator begin, Iterator end,
     ASIO_MOVE_ARG(IteratorConnectHandler) handler)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a IteratorConnectHandler.
-  ASIO_ITERATOR_CONNECT_HANDLER_CHECK(
-      IteratorConnectHandler, handler, Iterator) type_check;
-
-  async_completion<IteratorConnectHandler,
-    void (asio::error_code, Iterator)> init(handler);
-
-  detail::iterator_connect_op<Protocol ASIO_SVC_TARG, Iterator,
-    detail::default_connect_condition, ASIO_HANDLER_TYPE(
-      IteratorConnectHandler, void (asio::error_code, Iterator))>(s,
-        begin, end, detail::default_connect_condition(),
-          init.completion_handler)(asio::error_code(), 1);
-
-  return init.result.get();
+  return async_initiate<IteratorConnectHandler,
+    void (asio::error_code, Iterator)>(
+      detail::initiate_async_iterator_connect(), handler,
+      &s, begin, end, detail::default_connect_condition());
 }
 
-template <typename Protocol ASIO_SVC_TPARAM, typename EndpointSequence,
+template <typename Protocol, typename Executor, typename EndpointSequence,
     typename ConnectCondition, typename RangeConnectHandler>
 inline ASIO_INITFN_RESULT_TYPE(RangeConnectHandler,
     void (asio::error_code, typename Protocol::endpoint))
-async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+async_connect(basic_socket<Protocol, Executor>& s,
     const EndpointSequence& endpoints, ConnectCondition connect_condition,
     ASIO_MOVE_ARG(RangeConnectHandler) handler,
     typename enable_if<is_endpoint_sequence<
         EndpointSequence>::value>::type*)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a RangeConnectHandler.
-  ASIO_RANGE_CONNECT_HANDLER_CHECK(
-      RangeConnectHandler, handler, typename Protocol::endpoint) type_check;
-
-  async_completion<RangeConnectHandler,
-    void (asio::error_code, typename Protocol::endpoint)>
-      init(handler);
-
-  detail::range_connect_op<Protocol ASIO_SVC_TARG, EndpointSequence,
-    ConnectCondition, ASIO_HANDLER_TYPE(RangeConnectHandler,
-      void (asio::error_code, typename Protocol::endpoint))>(s,
-        endpoints, connect_condition, init.completion_handler)(
-          asio::error_code(), 1);
-
-  return init.result.get();
+  return async_initiate<RangeConnectHandler,
+    void (asio::error_code, typename Protocol::endpoint)>(
+      detail::initiate_async_range_connect(),
+      handler, &s, endpoints, connect_condition);
 }
 
 #if !defined(ASIO_NO_DEPRECATED)
-template <typename Protocol ASIO_SVC_TPARAM, typename Iterator,
+template <typename Protocol, typename Executor, typename Iterator,
     typename ConnectCondition, typename IteratorConnectHandler>
 inline ASIO_INITFN_RESULT_TYPE(IteratorConnectHandler,
     void (asio::error_code, Iterator))
-async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
-    Iterator begin, ConnectCondition connect_condition,
+async_connect(basic_socket<Protocol, Executor>& s, Iterator begin,
+    ConnectCondition connect_condition,
     ASIO_MOVE_ARG(IteratorConnectHandler) handler,
     typename enable_if<!is_endpoint_sequence<Iterator>::value>::type*)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a IteratorConnectHandler.
-  ASIO_ITERATOR_CONNECT_HANDLER_CHECK(
-      IteratorConnectHandler, handler, Iterator) type_check;
-
-  async_completion<IteratorConnectHandler,
-    void (asio::error_code, Iterator)> init(handler);
-
-  detail::iterator_connect_op<Protocol ASIO_SVC_TARG, Iterator,
-    ConnectCondition, ASIO_HANDLER_TYPE(
-      IteratorConnectHandler, void (asio::error_code, Iterator))>(s,
-        begin, Iterator(), connect_condition, init.completion_handler)(
-          asio::error_code(), 1);
-
-  return init.result.get();
+  return async_initiate<IteratorConnectHandler,
+    void (asio::error_code, Iterator)>(
+      detail::initiate_async_iterator_connect(),
+      handler, &s, begin, Iterator(), connect_condition);
 }
 #endif // !defined(ASIO_NO_DEPRECATED)
 
-template <typename Protocol ASIO_SVC_TPARAM, typename Iterator,
+template <typename Protocol, typename Executor, typename Iterator,
     typename ConnectCondition, typename IteratorConnectHandler>
 inline ASIO_INITFN_RESULT_TYPE(IteratorConnectHandler,
     void (asio::error_code, Iterator))
-async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
-    Iterator begin, Iterator end, ConnectCondition connect_condition,
+async_connect(basic_socket<Protocol, Executor>& s, Iterator begin,
+    Iterator end, ConnectCondition connect_condition,
     ASIO_MOVE_ARG(IteratorConnectHandler) handler)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a IteratorConnectHandler.
-  ASIO_ITERATOR_CONNECT_HANDLER_CHECK(
-      IteratorConnectHandler, handler, Iterator) type_check;
-
-  async_completion<IteratorConnectHandler,
-    void (asio::error_code, Iterator)> init(handler);
-
-  detail::iterator_connect_op<Protocol ASIO_SVC_TARG, Iterator,
-    ConnectCondition, ASIO_HANDLER_TYPE(
-      IteratorConnectHandler, void (asio::error_code, Iterator))>(s,
-        begin, end, connect_condition, init.completion_handler)(
-          asio::error_code(), 1);
-
-  return init.result.get();
+  return async_initiate<IteratorConnectHandler,
+    void (asio::error_code, Iterator)>(
+      detail::initiate_async_iterator_connect(),
+      handler, &s, begin, end, connect_condition);
 }
 
 } // namespace asio
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/defer.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/defer.hpp
index 69d7a32..bfcf56c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/defer.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/defer.hpp
@@ -2,7 +2,7 @@
 // impl/defer.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -23,24 +23,46 @@
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
+namespace detail {
+
+struct initiate_defer
+{
+  template <typename CompletionHandler>
+  void operator()(ASIO_MOVE_ARG(CompletionHandler) handler) const
+  {
+    typedef typename decay<CompletionHandler>::type DecayedHandler;
+
+    typename associated_executor<DecayedHandler>::type ex(
+        (get_associated_executor)(handler));
+
+    typename associated_allocator<DecayedHandler>::type alloc(
+        (get_associated_allocator)(handler));
+
+    ex.defer(ASIO_MOVE_CAST(CompletionHandler)(handler), alloc);
+  }
+
+  template <typename CompletionHandler, typename Executor>
+  void operator()(ASIO_MOVE_ARG(CompletionHandler) handler,
+      ASIO_MOVE_ARG(Executor) ex) const
+  {
+    typedef typename decay<CompletionHandler>::type DecayedHandler;
+
+    typename associated_allocator<DecayedHandler>::type alloc(
+        (get_associated_allocator)(handler));
+
+    ex.defer(detail::work_dispatcher<DecayedHandler>(
+          ASIO_MOVE_CAST(CompletionHandler)(handler)), alloc);
+  }
+};
+
+} // namespace detail
 
 template <typename CompletionToken>
 ASIO_INITFN_RESULT_TYPE(CompletionToken, void()) defer(
     ASIO_MOVE_ARG(CompletionToken) token)
 {
-  typedef ASIO_HANDLER_TYPE(CompletionToken, void()) handler;
-
-  async_completion<CompletionToken, void()> init(token);
-
-  typename associated_executor<handler>::type ex(
-      (get_associated_executor)(init.completion_handler));
-
-  typename associated_allocator<handler>::type alloc(
-      (get_associated_allocator)(init.completion_handler));
-
-  ex.defer(ASIO_MOVE_CAST(handler)(init.completion_handler), alloc);
-
-  return init.result.get();
+  return async_initiate<CompletionToken, void()>(
+      detail::initiate_defer(), token);
 }
 
 template <typename Executor, typename CompletionToken>
@@ -48,16 +70,8 @@ ASIO_INITFN_RESULT_TYPE(CompletionToken, void()) defer(
     const Executor& ex, ASIO_MOVE_ARG(CompletionToken) token,
     typename enable_if<is_executor<Executor>::value>::type*)
 {
-  typedef ASIO_HANDLER_TYPE(CompletionToken, void()) handler;
-
-  async_completion<CompletionToken, void()> init(token);
-
-  typename associated_allocator<handler>::type alloc(
-      (get_associated_allocator)(init.completion_handler));
-
-  ex.defer(detail::work_dispatcher<handler>(init.completion_handler), alloc);
-
-  return init.result.get();
+  return async_initiate<CompletionToken, void()>(
+      detail::initiate_defer(), token, ex);
 }
 
 template <typename ExecutionContext, typename CompletionToken>
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/detached.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/detached.hpp
new file mode 100644
index 0000000..8817ba9
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/detached.hpp
@@ -0,0 +1,130 @@
+//
+// impl/detached.hpp
+// ~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IMPL_DETACHED_HPP
+#define ASIO_IMPL_DETACHED_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/async_result.hpp"
+#include "asio/detail/variadic_templates.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace detail {
+
+  // Class to adapt a detached_t as a completion handler.
+  class detached_handler
+  {
+  public:
+    typedef void result_type;
+
+    detached_handler(detached_t)
+    {
+    }
+
+#if defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+    template <typename... Args>
+    void operator()(Args...)
+    {
+    }
+
+#else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+    void operator()()
+    {
+    }
+
+#define ASIO_PRIVATE_DETACHED_DEF(n) \
+    template <ASIO_VARIADIC_TPARAMS(n)> \
+    void operator()(ASIO_VARIADIC_TARGS(n)) \
+    { \
+    } \
+    /**/
+    ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_DETACHED_DEF)
+#undef ASIO_PRIVATE_DETACHED_DEF
+
+#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+  };
+
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <typename Signature>
+struct async_result<detached_t, Signature>
+{
+  typedef asio::detail::detached_handler completion_handler_type;
+
+  typedef void return_type;
+
+  explicit async_result(completion_handler_type&)
+  {
+  }
+
+  void get()
+  {
+  }
+
+#if defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+  template <typename Initiation, typename RawCompletionToken, typename... Args>
+  static return_type initiate(
+      ASIO_MOVE_ARG(Initiation) initiation,
+      ASIO_MOVE_ARG(RawCompletionToken),
+      ASIO_MOVE_ARG(Args)... args)
+  {
+    ASIO_MOVE_CAST(Initiation)(initiation)(
+        detail::detached_handler(detached_t()),
+        ASIO_MOVE_CAST(Args)(args)...);
+  }
+
+#else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+  template <typename Initiation, typename RawCompletionToken>
+  static return_type initiate(
+      ASIO_MOVE_ARG(Initiation) initiation,
+      ASIO_MOVE_ARG(RawCompletionToken))
+  {
+    ASIO_MOVE_CAST(Initiation)(initiation)(
+        detail::detached_handler(detached_t()));
+  }
+
+#define ASIO_PRIVATE_INITIATE_DEF(n) \
+  template <typename Initiation, typename RawCompletionToken, \
+      ASIO_VARIADIC_TPARAMS(n)> \
+  static return_type initiate( \
+      ASIO_MOVE_ARG(Initiation) initiation, \
+      ASIO_MOVE_ARG(RawCompletionToken), \
+      ASIO_VARIADIC_MOVE_PARAMS(n)) \
+  { \
+    ASIO_MOVE_CAST(Initiation)(initiation)( \
+        detail::detached_handler(detached_t()), \
+        ASIO_VARIADIC_MOVE_ARGS(n)); \
+  } \
+  /**/
+  ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_INITIATE_DEF)
+#undef ASIO_PRIVATE_INITIATE_DEF
+
+#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IMPL_DETACHED_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/dispatch.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/dispatch.hpp
index dc8f4d0..ee3d33f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/dispatch.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/dispatch.hpp
@@ -2,7 +2,7 @@
 // impl/dispatch.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -23,24 +23,46 @@
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
+namespace detail {
+
+struct initiate_dispatch
+{
+  template <typename CompletionHandler>
+  void operator()(ASIO_MOVE_ARG(CompletionHandler) handler) const
+  {
+    typedef typename decay<CompletionHandler>::type DecayedHandler;
+
+    typename associated_executor<DecayedHandler>::type ex(
+        (get_associated_executor)(handler));
+
+    typename associated_allocator<DecayedHandler>::type alloc(
+        (get_associated_allocator)(handler));
+
+    ex.dispatch(ASIO_MOVE_CAST(CompletionHandler)(handler), alloc);
+  }
+
+  template <typename CompletionHandler, typename Executor>
+  void operator()(ASIO_MOVE_ARG(CompletionHandler) handler,
+      ASIO_MOVE_ARG(Executor) ex) const
+  {
+    typedef typename decay<CompletionHandler>::type DecayedHandler;
+
+    typename associated_allocator<DecayedHandler>::type alloc(
+        (get_associated_allocator)(handler));
+
+    ex.dispatch(detail::work_dispatcher<DecayedHandler>(
+          ASIO_MOVE_CAST(CompletionHandler)(handler)), alloc);
+  }
+};
+
+} // namespace detail
 
 template <typename CompletionToken>
 ASIO_INITFN_RESULT_TYPE(CompletionToken, void()) dispatch(
     ASIO_MOVE_ARG(CompletionToken) token)
 {
-  typedef ASIO_HANDLER_TYPE(CompletionToken, void()) handler;
-
-  async_completion<CompletionToken, void()> init(token);
-
-  typename associated_executor<handler>::type ex(
-      (get_associated_executor)(init.completion_handler));
-
-  typename associated_allocator<handler>::type alloc(
-      (get_associated_allocator)(init.completion_handler));
-
-  ex.dispatch(ASIO_MOVE_CAST(handler)(init.completion_handler), alloc);
-
-  return init.result.get();
+  return async_initiate<CompletionToken, void()>(
+      detail::initiate_dispatch(), token);
 }
 
 template <typename Executor, typename CompletionToken>
@@ -48,17 +70,8 @@ ASIO_INITFN_RESULT_TYPE(CompletionToken, void()) dispatch(
     const Executor& ex, ASIO_MOVE_ARG(CompletionToken) token,
     typename enable_if<is_executor<Executor>::value>::type*)
 {
-  typedef ASIO_HANDLER_TYPE(CompletionToken, void()) handler;
-
-  async_completion<CompletionToken, void()> init(token);
-
-  typename associated_allocator<handler>::type alloc(
-      (get_associated_allocator)(init.completion_handler));
-
-  ex.dispatch(detail::work_dispatcher<handler>(
-        init.completion_handler), alloc);
-
-  return init.result.get();
+  return async_initiate<CompletionToken, void()>(
+      detail::initiate_dispatch(), token, ex);
 }
 
 template <typename ExecutionContext, typename CompletionToken>
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/error.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/error.ipp
index 5be1bcc..66f00a8 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/error.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/error.ipp
@@ -2,7 +2,7 @@
 // impl/error.ipp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/error_code.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/error_code.ipp
index 55f5b36..fbfce7e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/error_code.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/error_code.ipp
@@ -2,7 +2,7 @@
 // impl/error_code.ipp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -80,7 +80,7 @@ public:
     DWORD length = ::FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER
         | FORMAT_MESSAGE_FROM_SYSTEM
         | FORMAT_MESSAGE_IGNORE_INSERTS, 0, value,
-        MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (char*)&msg, 0, 0);
+        MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), (char*)&msg, 0, 0);
     detail::local_free_on_block_exit local_free_obj(msg);
     if (length && msg[length - 1] == '\n')
       msg[--length] = '\0';
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/execution_context.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/execution_context.hpp
index 3cbff32..d31e41d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/execution_context.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/execution_context.hpp
@@ -2,7 +2,7 @@
 // impl/execution_context.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -23,6 +23,8 @@
 
 namespace asio {
 
+#if !defined(GENERATING_DOCUMENTATION)
+
 template <typename Service>
 inline Service& use_service(execution_context& e)
 {
@@ -32,8 +34,7 @@ inline Service& use_service(execution_context& e)
   return e.service_registry_->template use_service<Service>();
 }
 
-#if !defined(GENERATING_DOCUMENTATION)
-# if defined(ASIO_HAS_VARIADIC_TEMPLATES)
+#if defined(ASIO_HAS_VARIADIC_TEMPLATES)
 
 template <typename Service, typename... Args>
 Service& make_service(execution_context& e, ASIO_MOVE_ARG(Args)... args)
@@ -46,7 +47,7 @@ Service& make_service(execution_context& e, ASIO_MOVE_ARG(Args)... args)
   return result;
 }
 
-# else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+#else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
 
 template <typename Service>
 Service& make_service(execution_context& e)
@@ -74,8 +75,7 @@ Service& make_service(execution_context& e)
   ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_MAKE_SERVICE_DEF)
 #undef ASIO_PRIVATE_MAKE_SERVICE_DEF
 
-# endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
-#endif // !defined(GENERATING_DOCUMENTATION)
+#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
 
 template <typename Service>
 inline void add_service(execution_context& e, Service* svc)
@@ -95,6 +95,8 @@ inline bool has_service(execution_context& e)
   return e.service_registry_->template has_service<Service>();
 }
 
+#endif // !defined(GENERATING_DOCUMENTATION)
+
 inline execution_context& execution_context::service::context()
 {
   return owner_;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/execution_context.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/execution_context.ipp
index 3d60263..a753582 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/execution_context.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/execution_context.ipp
@@ -2,7 +2,7 @@
 // impl/execution_context.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/executor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/executor.hpp
index 19608e8..43ba5f6 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/executor.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/executor.hpp
@@ -2,7 +2,7 @@
 // impl/executor.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -17,7 +17,7 @@
 
 #include "asio/detail/config.hpp"
 #include "asio/detail/atomic_count.hpp"
-#include "asio/detail/executor_op.hpp"
+#include "asio/detail/executor_function.hpp"
 #include "asio/detail/global.hpp"
 #include "asio/detail/memory.hpp"
 #include "asio/detail/recycling_allocator.hpp"
@@ -40,36 +40,37 @@ public:
   explicit function(F f, const Alloc& a)
   {
     // Allocate and construct an operation to wrap the function.
-    typedef detail::executor_op<F, Alloc> op;
-    typename op::ptr p = { detail::addressof(a), op::ptr::allocate(a), 0 };
-    op_ = new (p.v) op(ASIO_MOVE_CAST(F)(f), a);
+    typedef detail::executor_function<F, Alloc> func_type;
+    typename func_type::ptr p = {
+      detail::addressof(a), func_type::ptr::allocate(a), 0 };
+    func_ = new (p.v) func_type(ASIO_MOVE_CAST(F)(f), a);
     p.v = 0;
   }
 
-  function(function&& other)
-    : op_(other.op_)
+  function(function&& other) ASIO_NOEXCEPT
+    : func_(other.func_)
   {
-    other.op_ = 0;
+    other.func_ = 0;
   }
 
   ~function()
   {
-    if (op_)
-      op_->destroy();
+    if (func_)
+      func_->destroy();
   }
 
   void operator()()
   {
-    if (op_)
+    if (func_)
     {
-      detail::scheduler_operation* op = op_;
-      op_ = 0;
-      op->complete(this, asio::error_code(), 0);
+      detail::executor_function_base* func = func_;
+      func_ = 0;
+      func->complete();
     }
   }
 
 private:
-  detail::scheduler_operation* op_;
+  detail::executor_function_base* func_;
 };
 
 #else // defined(ASIO_HAS_MOVE)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/executor.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/executor.ipp
index 905c6e0..ae3a04f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/executor.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/executor.ipp
@@ -2,7 +2,7 @@
 // impl/executor.ipp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/handler_alloc_hook.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/handler_alloc_hook.ipp
index 41a22a1..ac347c9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/handler_alloc_hook.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/handler_alloc_hook.ipp
@@ -2,7 +2,7 @@
 // impl/handler_alloc_hook.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/io_context.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/io_context.hpp
index e0e50df..d36b7f8 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/io_context.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/io_context.hpp
@@ -2,7 +2,7 @@
 // impl/io_context.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -19,6 +19,7 @@
 #include "asio/detail/executor_op.hpp"
 #include "asio/detail/fenced_block.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
 #include "asio/detail/recycling_allocator.hpp"
 #include "asio/detail/service_registry.hpp"
 #include "asio/detail/throw_error.hpp"
@@ -26,6 +27,8 @@
 
 #include "asio/detail/push_options.hpp"
 
+#if !defined(GENERATING_DOCUMENTATION)
+
 namespace asio {
 
 template <typename Service>
@@ -47,6 +50,8 @@ inline detail::io_context_impl& use_service<detail::io_context_impl>(
 
 } // namespace asio
 
+#endif // !defined(GENERATING_DOCUMENTATION)
+
 #include "asio/detail/pop_options.hpp"
 
 #if defined(ASIO_HAS_IOCP)
@@ -127,68 +132,87 @@ inline void io_context::reset()
   restart();
 }
 
-template <typename CompletionHandler>
-ASIO_INITFN_RESULT_TYPE(CompletionHandler, void ())
-io_context::dispatch(ASIO_MOVE_ARG(CompletionHandler) handler)
+struct io_context::initiate_dispatch
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a CompletionHandler.
-  ASIO_COMPLETION_HANDLER_CHECK(CompletionHandler, handler) type_check;
-
-  async_completion<CompletionHandler, void ()> init(handler);
-
-  if (impl_.can_dispatch())
+  template <typename LegacyCompletionHandler>
+  void operator()(ASIO_MOVE_ARG(LegacyCompletionHandler) handler,
+      io_context* self) const
   {
-    detail::fenced_block b(detail::fenced_block::full);
-    asio_handler_invoke_helpers::invoke(
-        init.completion_handler, init.completion_handler);
+    // If you get an error on the following line it means that your handler does
+    // not meet the documented type requirements for a LegacyCompletionHandler.
+    ASIO_LEGACY_COMPLETION_HANDLER_CHECK(
+        LegacyCompletionHandler, handler) type_check;
+
+    detail::non_const_lvalue<LegacyCompletionHandler> handler2(handler);
+    if (self->impl_.can_dispatch())
+    {
+      detail::fenced_block b(detail::fenced_block::full);
+      asio_handler_invoke_helpers::invoke(
+          handler2.value, handler2.value);
+    }
+    else
+    {
+      // Allocate and construct an operation to wrap the handler.
+      typedef detail::completion_handler<
+        typename decay<LegacyCompletionHandler>::type> op;
+      typename op::ptr p = { detail::addressof(handler2.value),
+        op::ptr::allocate(handler2.value), 0 };
+      p.p = new (p.v) op(handler2.value);
+
+      ASIO_HANDLER_CREATION((*self, *p.p,
+            "io_context", self, 0, "dispatch"));
+
+      self->impl_.do_dispatch(p.p);
+      p.v = p.p = 0;
+    }
   }
-  else
-  {
-    // Allocate and construct an operation to wrap the handler.
-    typedef detail::completion_handler<
-      typename handler_type<CompletionHandler, void ()>::type> op;
-    typename op::ptr p = { detail::addressof(init.completion_handler),
-      op::ptr::allocate(init.completion_handler), 0 };
-    p.p = new (p.v) op(init.completion_handler);
+};
 
-    ASIO_HANDLER_CREATION((*this, *p.p,
-          "io_context", this, 0, "dispatch"));
-
-    impl_.do_dispatch(p.p);
-    p.v = p.p = 0;
-  }
-
-  return init.result.get();
+template <typename LegacyCompletionHandler>
+ASIO_INITFN_RESULT_TYPE(LegacyCompletionHandler, void ())
+io_context::dispatch(ASIO_MOVE_ARG(LegacyCompletionHandler) handler)
+{
+  return async_initiate<LegacyCompletionHandler, void ()>(
+      initiate_dispatch(), handler, this);
 }
 
-template <typename CompletionHandler>
-ASIO_INITFN_RESULT_TYPE(CompletionHandler, void ())
-io_context::post(ASIO_MOVE_ARG(CompletionHandler) handler)
+struct io_context::initiate_post
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a CompletionHandler.
-  ASIO_COMPLETION_HANDLER_CHECK(CompletionHandler, handler) type_check;
+  template <typename LegacyCompletionHandler>
+  void operator()(ASIO_MOVE_ARG(LegacyCompletionHandler) handler,
+      io_context* self) const
+  {
+    // If you get an error on the following line it means that your handler does
+    // not meet the documented type requirements for a LegacyCompletionHandler.
+    ASIO_LEGACY_COMPLETION_HANDLER_CHECK(
+        LegacyCompletionHandler, handler) type_check;
 
-  async_completion<CompletionHandler, void ()> init(handler);
+    detail::non_const_lvalue<LegacyCompletionHandler> handler2(handler);
 
-  bool is_continuation =
-    asio_handler_cont_helpers::is_continuation(init.completion_handler);
+    bool is_continuation =
+      asio_handler_cont_helpers::is_continuation(handler2.value);
 
-  // Allocate and construct an operation to wrap the handler.
-  typedef detail::completion_handler<
-    typename handler_type<CompletionHandler, void ()>::type> op;
-  typename op::ptr p = { detail::addressof(init.completion_handler),
-      op::ptr::allocate(init.completion_handler), 0 };
-  p.p = new (p.v) op(init.completion_handler);
+    // Allocate and construct an operation to wrap the handler.
+    typedef detail::completion_handler<
+      typename decay<LegacyCompletionHandler>::type> op;
+    typename op::ptr p = { detail::addressof(handler2.value),
+        op::ptr::allocate(handler2.value), 0 };
+    p.p = new (p.v) op(handler2.value);
 
-  ASIO_HANDLER_CREATION((*this, *p.p,
-        "io_context", this, 0, "post"));
+    ASIO_HANDLER_CREATION((*self, *p.p,
+          "io_context", self, 0, "post"));
 
-  impl_.post_immediate_completion(p.p, is_continuation);
-  p.v = p.p = 0;
+    self->impl_.post_immediate_completion(p.p, is_continuation);
+    p.v = p.p = 0;
+  }
+};
 
-  return init.result.get();
+template <typename LegacyCompletionHandler>
+ASIO_INITFN_RESULT_TYPE(LegacyCompletionHandler, void ())
+io_context::post(ASIO_MOVE_ARG(LegacyCompletionHandler) handler)
+{
+  return async_initiate<LegacyCompletionHandler, void ()>(
+      initiate_post(), handler, this);
 }
 
 template <typename Handler>
@@ -245,7 +269,7 @@ void io_context::executor_type::dispatch(
   p.p = new (p.v) op(ASIO_MOVE_CAST(Function)(f), a);
 
   ASIO_HANDLER_CREATION((this->context(), *p.p,
-        "io_context", &this->context(), 0, "post"));
+        "io_context", &this->context(), 0, "dispatch"));
 
   io_context_.impl_.post_immediate_completion(p.p, false);
   p.v = p.p = 0;
@@ -315,11 +339,6 @@ inline asio::io_context& io_context::work::get_io_context()
 {
   return static_cast<asio::io_context&>(io_context_impl_.context());
 }
-
-inline asio::io_context& io_context::work::get_io_service()
-{
-  return static_cast<asio::io_context&>(io_context_impl_.context());
-}
 #endif // !defined(ASIO_NO_DEPRECATED)
 
 inline asio::io_context& io_context::service::get_io_context()
@@ -327,13 +346,6 @@ inline asio::io_context& io_context::service::get_io_context()
   return static_cast<asio::io_context&>(context());
 }
 
-#if !defined(ASIO_NO_DEPRECATED)
-inline asio::io_context& io_context::service::get_io_service()
-{
-  return static_cast<asio::io_context&>(context());
-}
-#endif // !defined(ASIO_NO_DEPRECATED)
-
 } // namespace asio
 
 #include "asio/detail/pop_options.hpp"
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/io_context.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/io_context.ipp
index 7c64283..50e1c98 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/io_context.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/io_context.ipp
@@ -2,7 +2,7 @@
 // impl/io_context.ipp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -34,13 +34,14 @@
 namespace asio {
 
 io_context::io_context()
-  : impl_(add_impl(new impl_type(*this, ASIO_CONCURRENCY_HINT_DEFAULT)))
+  : impl_(add_impl(new impl_type(*this,
+          ASIO_CONCURRENCY_HINT_DEFAULT, false)))
 {
 }
 
 io_context::io_context(int concurrency_hint)
   : impl_(add_impl(new impl_type(*this, concurrency_hint == 1
-          ? ASIO_CONCURRENCY_HINT_1 : concurrency_hint)))
+          ? ASIO_CONCURRENCY_HINT_1 : concurrency_hint, false)))
 {
 }
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/post.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/post.hpp
index 2be3d72..04ab118 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/post.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/post.hpp
@@ -2,7 +2,7 @@
 // impl/post.hpp
 // ~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -23,24 +23,46 @@
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
+namespace detail {
+
+struct initiate_post
+{
+  template <typename CompletionHandler>
+  void operator()(ASIO_MOVE_ARG(CompletionHandler) handler) const
+  {
+    typedef typename decay<CompletionHandler>::type DecayedHandler;
+
+    typename associated_executor<DecayedHandler>::type ex(
+        (get_associated_executor)(handler));
+
+    typename associated_allocator<DecayedHandler>::type alloc(
+        (get_associated_allocator)(handler));
+
+    ex.post(ASIO_MOVE_CAST(CompletionHandler)(handler), alloc);
+  }
+
+  template <typename CompletionHandler, typename Executor>
+  void operator()(ASIO_MOVE_ARG(CompletionHandler) handler,
+      ASIO_MOVE_ARG(Executor) ex) const
+  {
+    typedef typename decay<CompletionHandler>::type DecayedHandler;
+
+    typename associated_allocator<DecayedHandler>::type alloc(
+        (get_associated_allocator)(handler));
+
+    ex.post(detail::work_dispatcher<DecayedHandler>(
+          ASIO_MOVE_CAST(CompletionHandler)(handler)), alloc);
+  }
+};
+
+} // namespace detail
 
 template <typename CompletionToken>
 ASIO_INITFN_RESULT_TYPE(CompletionToken, void()) post(
     ASIO_MOVE_ARG(CompletionToken) token)
 {
-  typedef ASIO_HANDLER_TYPE(CompletionToken, void()) handler;
-
-  async_completion<CompletionToken, void()> init(token);
-
-  typename associated_executor<handler>::type ex(
-      (get_associated_executor)(init.completion_handler));
-
-  typename associated_allocator<handler>::type alloc(
-      (get_associated_allocator)(init.completion_handler));
-
-  ex.post(ASIO_MOVE_CAST(handler)(init.completion_handler), alloc);
-
-  return init.result.get();
+  return async_initiate<CompletionToken, void()>(
+      detail::initiate_post(), token);
 }
 
 template <typename Executor, typename CompletionToken>
@@ -48,16 +70,8 @@ ASIO_INITFN_RESULT_TYPE(CompletionToken, void()) post(
     const Executor& ex, ASIO_MOVE_ARG(CompletionToken) token,
     typename enable_if<is_executor<Executor>::value>::type*)
 {
-  typedef ASIO_HANDLER_TYPE(CompletionToken, void()) handler;
-
-  async_completion<CompletionToken, void()> init(token);
-
-  typename associated_allocator<handler>::type alloc(
-      (get_associated_allocator)(init.completion_handler));
-
-  ex.post(detail::work_dispatcher<handler>(init.completion_handler), alloc);
-
-  return init.result.get();
+  return async_initiate<CompletionToken, void()>(
+      detail::initiate_post(), token, ex);
 }
 
 template <typename ExecutionContext, typename CompletionToken>
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/read.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/read.hpp
index f7a8e28..36c711c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/read.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/read.hpp
@@ -2,7 +2,7 @@
 // impl/read.hpp
 // ~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -29,6 +29,7 @@
 #include "asio/detail/handler_cont_helpers.hpp"
 #include "asio/detail/handler_invoke_helpers.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
 #include "asio/detail/throw_error.hpp"
 #include "asio/error.hpp"
 
@@ -68,7 +69,8 @@ std::size_t read(SyncReadStream& s, const MutableBufferSequence& buffers,
     >::type*)
 {
   return detail::read_buffer_sequence(s, buffers,
-      asio::buffer_sequence_begin(buffers), completion_condition, ec);
+      asio::buffer_sequence_begin(buffers),
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
 }
 
 template <typename SyncReadStream, typename MutableBufferSequence>
@@ -102,22 +104,26 @@ inline std::size_t read(SyncReadStream& s, const MutableBufferSequence& buffers,
     >::type*)
 {
   asio::error_code ec;
-  std::size_t bytes_transferred = read(s, buffers, completion_condition, ec);
+  std::size_t bytes_transferred = read(s, buffers,
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
   asio::detail::throw_error(ec, "read");
   return bytes_transferred;
 }
 
-template <typename SyncReadStream, typename DynamicBuffer,
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
+template <typename SyncReadStream, typename DynamicBuffer_v1,
     typename CompletionCondition>
 std::size_t read(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     CompletionCondition completion_condition, asio::error_code& ec,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
     >::type*)
 {
-  typename decay<DynamicBuffer>::type b(
-      ASIO_MOVE_CAST(DynamicBuffer)(buffers));
+  typename decay<DynamicBuffer_v1>::type b(
+      ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers));
 
   ec = asio::error_code();
   std::size_t total_transferred = 0;
@@ -140,45 +146,48 @@ std::size_t read(SyncReadStream& s,
   return total_transferred;
 }
 
-template <typename SyncReadStream, typename DynamicBuffer>
+template <typename SyncReadStream, typename DynamicBuffer_v1>
 inline std::size_t read(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
     >::type*)
 {
   asio::error_code ec;
   std::size_t bytes_transferred = read(s,
-      ASIO_MOVE_CAST(DynamicBuffer)(buffers), transfer_all(), ec);
+      ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers), transfer_all(), ec);
   asio::detail::throw_error(ec, "read");
   return bytes_transferred;
 }
 
-template <typename SyncReadStream, typename DynamicBuffer>
+template <typename SyncReadStream, typename DynamicBuffer_v1>
 inline std::size_t read(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     asio::error_code& ec,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
     >::type*)
 {
-  return read(s, ASIO_MOVE_CAST(DynamicBuffer)(buffers),
+  return read(s, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
       transfer_all(), ec);
 }
 
-template <typename SyncReadStream, typename DynamicBuffer,
+template <typename SyncReadStream, typename DynamicBuffer_v1,
     typename CompletionCondition>
 inline std::size_t read(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     CompletionCondition completion_condition,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
     >::type*)
 {
   asio::error_code ec;
   std::size_t bytes_transferred = read(s,
-      ASIO_MOVE_CAST(DynamicBuffer)(buffers),
-      completion_condition, ec);
+      ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
   asio::detail::throw_error(ec, "read");
   return bytes_transferred;
 }
@@ -192,7 +201,8 @@ inline std::size_t read(SyncReadStream& s,
     asio::basic_streambuf<Allocator>& b,
     CompletionCondition completion_condition, asio::error_code& ec)
 {
-  return read(s, basic_streambuf_ref<Allocator>(b), completion_condition, ec);
+  return read(s, basic_streambuf_ref<Allocator>(b),
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
 }
 
 template <typename SyncReadStream, typename Allocator>
@@ -216,11 +226,87 @@ inline std::size_t read(SyncReadStream& s,
     asio::basic_streambuf<Allocator>& b,
     CompletionCondition completion_condition)
 {
-  return read(s, basic_streambuf_ref<Allocator>(b), completion_condition);
+  return read(s, basic_streambuf_ref<Allocator>(b),
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
 }
 
 #endif // !defined(ASIO_NO_IOSTREAM)
 #endif // !defined(ASIO_NO_EXTENSIONS)
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
+template <typename SyncReadStream, typename DynamicBuffer_v2,
+    typename CompletionCondition>
+std::size_t read(SyncReadStream& s, DynamicBuffer_v2 buffers,
+    CompletionCondition completion_condition, asio::error_code& ec,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type*)
+{
+  DynamicBuffer_v2& b = buffers;
+
+  ec = asio::error_code();
+  std::size_t total_transferred = 0;
+  std::size_t max_size = detail::adapt_completion_condition_result(
+        completion_condition(ec, total_transferred));
+  std::size_t bytes_available = std::min<std::size_t>(
+        std::max<std::size_t>(512, b.capacity() - b.size()),
+        std::min<std::size_t>(max_size, b.max_size() - b.size()));
+  while (bytes_available > 0)
+  {
+    std::size_t pos = b.size();
+    b.grow(bytes_available);
+    std::size_t bytes_transferred = s.read_some(
+        b.data(pos, bytes_available), ec);
+    b.shrink(bytes_available - bytes_transferred);
+    total_transferred += bytes_transferred;
+    max_size = detail::adapt_completion_condition_result(
+          completion_condition(ec, total_transferred));
+    bytes_available = std::min<std::size_t>(
+          std::max<std::size_t>(512, b.capacity() - b.size()),
+          std::min<std::size_t>(max_size, b.max_size() - b.size()));
+  }
+  return total_transferred;
+}
+
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+inline std::size_t read(SyncReadStream& s, DynamicBuffer_v2 buffers,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type*)
+{
+  asio::error_code ec;
+  std::size_t bytes_transferred = read(s,
+      ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers), transfer_all(), ec);
+  asio::detail::throw_error(ec, "read");
+  return bytes_transferred;
+}
+
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+inline std::size_t read(SyncReadStream& s, DynamicBuffer_v2 buffers,
+    asio::error_code& ec,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type*)
+{
+  return read(s, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+      transfer_all(), ec);
+}
+
+template <typename SyncReadStream, typename DynamicBuffer_v2,
+    typename CompletionCondition>
+inline std::size_t read(SyncReadStream& s, DynamicBuffer_v2 buffers,
+    CompletionCondition completion_condition,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type*)
+{
+  asio::error_code ec;
+  std::size_t bytes_transferred = read(s,
+      ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
+  asio::detail::throw_error(ec, "read");
+  return bytes_transferred;
+}
 
 namespace detail
 {
@@ -232,7 +318,7 @@ namespace detail
   {
   public:
     read_op(AsyncReadStream& stream, const MutableBufferSequence& buffers,
-        CompletionCondition completion_condition, ReadHandler& handler)
+        CompletionCondition& completion_condition, ReadHandler& handler)
       : detail::base_from_completion_cond<
           CompletionCondition>(completion_condition),
         stream_(stream),
@@ -253,9 +339,11 @@ namespace detail
     }
 
     read_op(read_op&& other)
-      : detail::base_from_completion_cond<CompletionCondition>(other),
+      : detail::base_from_completion_cond<CompletionCondition>(
+          ASIO_MOVE_CAST(detail::base_from_completion_cond<
+            CompletionCondition>)(other)),
         stream_(other.stream_),
-        buffers_(other.buffers_),
+        buffers_(ASIO_MOVE_CAST(buffers_type)(other.buffers_)),
         start_(other.start_),
         handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_))
     {
@@ -286,9 +374,11 @@ namespace detail
     }
 
   //private:
+    typedef asio::detail::consuming_buffers<mutable_buffer,
+        MutableBufferSequence, MutableBufferIterator> buffers_type;
+
     AsyncReadStream& stream_;
-    asio::detail::consuming_buffers<mutable_buffer,
-        MutableBufferSequence, MutableBufferIterator> buffers_;
+    buffers_type buffers_;
     int start_;
     ReadHandler handler_;
   };
@@ -354,13 +444,33 @@ namespace detail
       typename ReadHandler>
   inline void start_read_buffer_sequence_op(AsyncReadStream& stream,
       const MutableBufferSequence& buffers, const MutableBufferIterator&,
-      CompletionCondition completion_condition, ReadHandler& handler)
+      CompletionCondition& completion_condition, ReadHandler& handler)
   {
     detail::read_op<AsyncReadStream, MutableBufferSequence,
       MutableBufferIterator, CompletionCondition, ReadHandler>(
         stream, buffers, completion_condition, handler)(
           asio::error_code(), 0, 1);
   }
+
+  struct initiate_async_read_buffer_sequence
+  {
+    template <typename ReadHandler, typename AsyncReadStream,
+        typename MutableBufferSequence, typename CompletionCondition>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        AsyncReadStream* s, const MutableBufferSequence& buffers,
+        ASIO_MOVE_ARG(CompletionCondition) completion_cond) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      non_const_lvalue<ReadHandler> handler2(handler);
+      non_const_lvalue<CompletionCondition> completion_cond2(completion_cond);
+      start_read_buffer_sequence_op(*s, buffers,
+          asio::buffer_sequence_begin(buffers),
+          completion_cond2.value, handler2.value);
+    }
+  };
 } // namespace detail
 
 #if !defined(GENERATING_DOCUMENTATION)
@@ -416,18 +526,10 @@ async_read(AsyncReadStream& s, const MutableBufferSequence& buffers,
       is_mutable_buffer_sequence<MutableBufferSequence>::value
     >::type*)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a ReadHandler.
-  ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-  async_completion<ReadHandler,
-    void (asio::error_code, std::size_t)> init(handler);
-
-  detail::start_read_buffer_sequence_op(s, buffers,
-      asio::buffer_sequence_begin(buffers), completion_condition,
-      init.completion_handler);
-
-  return init.result.get();
+  return async_initiate<ReadHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_read_buffer_sequence(), handler, &s, buffers,
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
 }
 
 template <typename AsyncReadStream, typename MutableBufferSequence,
@@ -440,32 +542,26 @@ async_read(AsyncReadStream& s, const MutableBufferSequence& buffers,
       is_mutable_buffer_sequence<MutableBufferSequence>::value
     >::type*)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a ReadHandler.
-  ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-  async_completion<ReadHandler,
-    void (asio::error_code, std::size_t)> init(handler);
-
-  detail::start_read_buffer_sequence_op(s, buffers,
-      asio::buffer_sequence_begin(buffers), transfer_all(),
-      init.completion_handler);
-
-  return init.result.get();
+  return async_initiate<ReadHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_read_buffer_sequence(),
+      handler, &s, buffers, transfer_all());
 }
 
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
 namespace detail
 {
-  template <typename AsyncReadStream, typename DynamicBuffer,
+  template <typename AsyncReadStream, typename DynamicBuffer_v1,
       typename CompletionCondition, typename ReadHandler>
-  class read_dynbuf_op
+  class read_dynbuf_v1_op
     : detail::base_from_completion_cond<CompletionCondition>
   {
   public:
     template <typename BufferSequence>
-    read_dynbuf_op(AsyncReadStream& stream,
+    read_dynbuf_v1_op(AsyncReadStream& stream,
         ASIO_MOVE_ARG(BufferSequence) buffers,
-        CompletionCondition completion_condition, ReadHandler& handler)
+        CompletionCondition& completion_condition, ReadHandler& handler)
       : detail::base_from_completion_cond<
           CompletionCondition>(completion_condition),
         stream_(stream),
@@ -477,7 +573,7 @@ namespace detail
     }
 
 #if defined(ASIO_HAS_MOVE)
-    read_dynbuf_op(const read_dynbuf_op& other)
+    read_dynbuf_v1_op(const read_dynbuf_v1_op& other)
       : detail::base_from_completion_cond<CompletionCondition>(other),
         stream_(other.stream_),
         buffers_(other.buffers_),
@@ -487,10 +583,12 @@ namespace detail
     {
     }
 
-    read_dynbuf_op(read_dynbuf_op&& other)
-      : detail::base_from_completion_cond<CompletionCondition>(other),
+    read_dynbuf_v1_op(read_dynbuf_v1_op&& other)
+      : detail::base_from_completion_cond<CompletionCondition>(
+          ASIO_MOVE_CAST(detail::base_from_completion_cond<
+            CompletionCondition>)(other)),
         stream_(other.stream_),
-        buffers_(ASIO_MOVE_CAST(DynamicBuffer)(other.buffers_)),
+        buffers_(ASIO_MOVE_CAST(DynamicBuffer_v1)(other.buffers_)),
         start_(other.start_),
         total_transferred_(other.total_transferred_),
         handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_))
@@ -514,7 +612,7 @@ namespace detail
         for (;;)
         {
           stream_.async_read_some(buffers_.prepare(bytes_available),
-              ASIO_MOVE_CAST(read_dynbuf_op)(*this));
+              ASIO_MOVE_CAST(read_dynbuf_v1_op)(*this));
           return; default:
           total_transferred_ += bytes_transferred;
           buffers_.commit(bytes_transferred);
@@ -534,36 +632,36 @@ namespace detail
 
   //private:
     AsyncReadStream& stream_;
-    DynamicBuffer buffers_;
+    DynamicBuffer_v1 buffers_;
     int start_;
     std::size_t total_transferred_;
     ReadHandler handler_;
   };
 
-  template <typename AsyncReadStream, typename DynamicBuffer,
+  template <typename AsyncReadStream, typename DynamicBuffer_v1,
       typename CompletionCondition, typename ReadHandler>
   inline void* asio_handler_allocate(std::size_t size,
-      read_dynbuf_op<AsyncReadStream, DynamicBuffer,
+      read_dynbuf_v1_op<AsyncReadStream, DynamicBuffer_v1,
         CompletionCondition, ReadHandler>* this_handler)
   {
     return asio_handler_alloc_helpers::allocate(
         size, this_handler->handler_);
   }
 
-  template <typename AsyncReadStream, typename DynamicBuffer,
+  template <typename AsyncReadStream, typename DynamicBuffer_v1,
       typename CompletionCondition, typename ReadHandler>
   inline void asio_handler_deallocate(void* pointer, std::size_t size,
-      read_dynbuf_op<AsyncReadStream, DynamicBuffer,
+      read_dynbuf_v1_op<AsyncReadStream, DynamicBuffer_v1,
         CompletionCondition, ReadHandler>* this_handler)
   {
     asio_handler_alloc_helpers::deallocate(
         pointer, size, this_handler->handler_);
   }
 
-  template <typename AsyncReadStream, typename DynamicBuffer,
+  template <typename AsyncReadStream, typename DynamicBuffer_v1,
       typename CompletionCondition, typename ReadHandler>
   inline bool asio_handler_is_continuation(
-      read_dynbuf_op<AsyncReadStream, DynamicBuffer,
+      read_dynbuf_v1_op<AsyncReadStream, DynamicBuffer_v1,
         CompletionCondition, ReadHandler>* this_handler)
   {
     return this_handler->start_ == 0 ? true
@@ -572,10 +670,10 @@ namespace detail
   }
 
   template <typename Function, typename AsyncReadStream,
-      typename DynamicBuffer, typename CompletionCondition,
+      typename DynamicBuffer_v1, typename CompletionCondition,
       typename ReadHandler>
   inline void asio_handler_invoke(Function& function,
-      read_dynbuf_op<AsyncReadStream, DynamicBuffer,
+      read_dynbuf_v1_op<AsyncReadStream, DynamicBuffer_v1,
         CompletionCondition, ReadHandler>* this_handler)
   {
     asio_handler_invoke_helpers::invoke(
@@ -583,49 +681,71 @@ namespace detail
   }
 
   template <typename Function, typename AsyncReadStream,
-      typename DynamicBuffer, typename CompletionCondition,
+      typename DynamicBuffer_v1, typename CompletionCondition,
       typename ReadHandler>
   inline void asio_handler_invoke(const Function& function,
-      read_dynbuf_op<AsyncReadStream, DynamicBuffer,
+      read_dynbuf_v1_op<AsyncReadStream, DynamicBuffer_v1,
         CompletionCondition, ReadHandler>* this_handler)
   {
     asio_handler_invoke_helpers::invoke(
         function, this_handler->handler_);
   }
+
+  struct initiate_async_read_dynbuf_v1
+  {
+    template <typename ReadHandler, typename AsyncReadStream,
+        typename DynamicBuffer_v1, typename CompletionCondition>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        AsyncReadStream* s, ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+        ASIO_MOVE_ARG(CompletionCondition) completion_cond) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      non_const_lvalue<ReadHandler> handler2(handler);
+      non_const_lvalue<CompletionCondition> completion_cond2(completion_cond);
+      read_dynbuf_v1_op<AsyncReadStream, typename decay<DynamicBuffer_v1>::type,
+        CompletionCondition, typename decay<ReadHandler>::type>(
+          *s, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+            completion_cond2.value, handler2.value)(
+              asio::error_code(), 0, 1);
+    }
+  };
 } // namespace detail
 
 #if !defined(GENERATING_DOCUMENTATION)
 
-template <typename AsyncReadStream, typename DynamicBuffer,
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
     typename CompletionCondition, typename ReadHandler, typename Allocator>
 struct associated_allocator<
-    detail::read_dynbuf_op<AsyncReadStream,
-      DynamicBuffer, CompletionCondition, ReadHandler>,
+    detail::read_dynbuf_v1_op<AsyncReadStream,
+      DynamicBuffer_v1, CompletionCondition, ReadHandler>,
     Allocator>
 {
   typedef typename associated_allocator<ReadHandler, Allocator>::type type;
 
   static type get(
-      const detail::read_dynbuf_op<AsyncReadStream,
-        DynamicBuffer, CompletionCondition, ReadHandler>& h,
+      const detail::read_dynbuf_v1_op<AsyncReadStream,
+        DynamicBuffer_v1, CompletionCondition, ReadHandler>& h,
       const Allocator& a = Allocator()) ASIO_NOEXCEPT
   {
     return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a);
   }
 };
 
-template <typename AsyncReadStream, typename DynamicBuffer,
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
     typename CompletionCondition, typename ReadHandler, typename Executor>
 struct associated_executor<
-    detail::read_dynbuf_op<AsyncReadStream,
-      DynamicBuffer, CompletionCondition, ReadHandler>,
+    detail::read_dynbuf_v1_op<AsyncReadStream,
+      DynamicBuffer_v1, CompletionCondition, ReadHandler>,
     Executor>
 {
   typedef typename associated_executor<ReadHandler, Executor>::type type;
 
   static type get(
-      const detail::read_dynbuf_op<AsyncReadStream,
-        DynamicBuffer, CompletionCondition, ReadHandler>& h,
+      const detail::read_dynbuf_v1_op<AsyncReadStream,
+        DynamicBuffer_v1, CompletionCondition, ReadHandler>& h,
       const Executor& ex = Executor()) ASIO_NOEXCEPT
   {
     return associated_executor<ReadHandler, Executor>::get(h.handler_, ex);
@@ -635,49 +755,44 @@ struct associated_executor<
 #endif // !defined(GENERATING_DOCUMENTATION)
 
 template <typename AsyncReadStream,
-    typename DynamicBuffer, typename ReadHandler>
+    typename DynamicBuffer_v1, typename ReadHandler>
 inline ASIO_INITFN_RESULT_TYPE(ReadHandler,
     void (asio::error_code, std::size_t))
 async_read(AsyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     ASIO_MOVE_ARG(ReadHandler) handler,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
     >::type*)
 {
   return async_read(s,
-      ASIO_MOVE_CAST(DynamicBuffer)(buffers),
+      ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
       transfer_all(), ASIO_MOVE_CAST(ReadHandler)(handler));
 }
 
-template <typename AsyncReadStream, typename DynamicBuffer,
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
     typename CompletionCondition, typename ReadHandler>
 inline ASIO_INITFN_RESULT_TYPE(ReadHandler,
     void (asio::error_code, std::size_t))
 async_read(AsyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     CompletionCondition completion_condition,
     ASIO_MOVE_ARG(ReadHandler) handler,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
     >::type*)
 {
   // If you get an error on the following line it means that your handler does
   // not meet the documented type requirements for a ReadHandler.
   ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
 
-  async_completion<ReadHandler,
-    void (asio::error_code, std::size_t)> init(handler);
-
-  detail::read_dynbuf_op<AsyncReadStream,
-    typename decay<DynamicBuffer>::type,
-      CompletionCondition, ASIO_HANDLER_TYPE(
-        ReadHandler, void (asio::error_code, std::size_t))>(
-          s, ASIO_MOVE_CAST(DynamicBuffer)(buffers),
-            completion_condition, init.completion_handler)(
-              asio::error_code(), 0, 1);
-
-  return init.result.get();
+  return async_initiate<ReadHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_read_dynbuf_v1(), handler, &s,
+      ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
 }
 
 #if !defined(ASIO_NO_EXTENSIONS)
@@ -702,11 +817,260 @@ async_read(AsyncReadStream& s, basic_streambuf<Allocator>& b,
     ASIO_MOVE_ARG(ReadHandler) handler)
 {
   return async_read(s, basic_streambuf_ref<Allocator>(b),
-      completion_condition, ASIO_MOVE_CAST(ReadHandler)(handler));
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition),
+      ASIO_MOVE_CAST(ReadHandler)(handler));
 }
 
 #endif // !defined(ASIO_NO_IOSTREAM)
 #endif // !defined(ASIO_NO_EXTENSIONS)
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
+namespace detail
+{
+  template <typename AsyncReadStream, typename DynamicBuffer_v2,
+      typename CompletionCondition, typename ReadHandler>
+  class read_dynbuf_v2_op
+    : detail::base_from_completion_cond<CompletionCondition>
+  {
+  public:
+    template <typename BufferSequence>
+    read_dynbuf_v2_op(AsyncReadStream& stream,
+        ASIO_MOVE_ARG(BufferSequence) buffers,
+        CompletionCondition& completion_condition, ReadHandler& handler)
+      : detail::base_from_completion_cond<
+          CompletionCondition>(completion_condition),
+        stream_(stream),
+        buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)),
+        start_(0),
+        total_transferred_(0),
+        bytes_available_(0),
+        handler_(ASIO_MOVE_CAST(ReadHandler)(handler))
+    {
+    }
+
+#if defined(ASIO_HAS_MOVE)
+    read_dynbuf_v2_op(const read_dynbuf_v2_op& other)
+      : detail::base_from_completion_cond<CompletionCondition>(other),
+        stream_(other.stream_),
+        buffers_(other.buffers_),
+        start_(other.start_),
+        total_transferred_(other.total_transferred_),
+        bytes_available_(other.bytes_available_),
+        handler_(other.handler_)
+    {
+    }
+
+    read_dynbuf_v2_op(read_dynbuf_v2_op&& other)
+      : detail::base_from_completion_cond<CompletionCondition>(
+          ASIO_MOVE_CAST(detail::base_from_completion_cond<
+            CompletionCondition>)(other)),
+        stream_(other.stream_),
+        buffers_(ASIO_MOVE_CAST(DynamicBuffer_v2)(other.buffers_)),
+        start_(other.start_),
+        total_transferred_(other.total_transferred_),
+        bytes_available_(other.bytes_available_),
+        handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_))
+    {
+    }
+#endif // defined(ASIO_HAS_MOVE)
+
+    void operator()(const asio::error_code& ec,
+        std::size_t bytes_transferred, int start = 0)
+    {
+      std::size_t max_size, pos;
+      switch (start_ = start)
+      {
+        case 1:
+        max_size = this->check_for_completion(ec, total_transferred_);
+        bytes_available_ = std::min<std::size_t>(
+              std::max<std::size_t>(512,
+                buffers_.capacity() - buffers_.size()),
+              std::min<std::size_t>(max_size,
+                buffers_.max_size() - buffers_.size()));
+        for (;;)
+        {
+          pos = buffers_.size();
+          buffers_.grow(bytes_available_);
+          stream_.async_read_some(buffers_.data(pos, bytes_available_),
+              ASIO_MOVE_CAST(read_dynbuf_v2_op)(*this));
+          return; default:
+          total_transferred_ += bytes_transferred;
+          buffers_.shrink(bytes_available_ - bytes_transferred);
+          max_size = this->check_for_completion(ec, total_transferred_);
+          bytes_available_ = std::min<std::size_t>(
+                std::max<std::size_t>(512,
+                  buffers_.capacity() - buffers_.size()),
+                std::min<std::size_t>(max_size,
+                  buffers_.max_size() - buffers_.size()));
+          if ((!ec && bytes_transferred == 0) || bytes_available_ == 0)
+            break;
+        }
+
+        handler_(ec, static_cast<const std::size_t&>(total_transferred_));
+      }
+    }
+
+  //private:
+    AsyncReadStream& stream_;
+    DynamicBuffer_v2 buffers_;
+    int start_;
+    std::size_t total_transferred_;
+    std::size_t bytes_available_;
+    ReadHandler handler_;
+  };
+
+  template <typename AsyncReadStream, typename DynamicBuffer_v2,
+      typename CompletionCondition, typename ReadHandler>
+  inline void* asio_handler_allocate(std::size_t size,
+      read_dynbuf_v2_op<AsyncReadStream, DynamicBuffer_v2,
+        CompletionCondition, ReadHandler>* this_handler)
+  {
+    return asio_handler_alloc_helpers::allocate(
+        size, this_handler->handler_);
+  }
+
+  template <typename AsyncReadStream, typename DynamicBuffer_v2,
+      typename CompletionCondition, typename ReadHandler>
+  inline void asio_handler_deallocate(void* pointer, std::size_t size,
+      read_dynbuf_v2_op<AsyncReadStream, DynamicBuffer_v2,
+        CompletionCondition, ReadHandler>* this_handler)
+  {
+    asio_handler_alloc_helpers::deallocate(
+        pointer, size, this_handler->handler_);
+  }
+
+  template <typename AsyncReadStream, typename DynamicBuffer_v2,
+      typename CompletionCondition, typename ReadHandler>
+  inline bool asio_handler_is_continuation(
+      read_dynbuf_v2_op<AsyncReadStream, DynamicBuffer_v2,
+        CompletionCondition, ReadHandler>* this_handler)
+  {
+    return this_handler->start_ == 0 ? true
+      : asio_handler_cont_helpers::is_continuation(
+          this_handler->handler_);
+  }
+
+  template <typename Function, typename AsyncReadStream,
+      typename DynamicBuffer_v2, typename CompletionCondition,
+      typename ReadHandler>
+  inline void asio_handler_invoke(Function& function,
+      read_dynbuf_v2_op<AsyncReadStream, DynamicBuffer_v2,
+        CompletionCondition, ReadHandler>* this_handler)
+  {
+    asio_handler_invoke_helpers::invoke(
+        function, this_handler->handler_);
+  }
+
+  template <typename Function, typename AsyncReadStream,
+      typename DynamicBuffer_v2, typename CompletionCondition,
+      typename ReadHandler>
+  inline void asio_handler_invoke(const Function& function,
+      read_dynbuf_v2_op<AsyncReadStream, DynamicBuffer_v2,
+        CompletionCondition, ReadHandler>* this_handler)
+  {
+    asio_handler_invoke_helpers::invoke(
+        function, this_handler->handler_);
+  }
+
+  struct initiate_async_read_dynbuf_v2
+  {
+    template <typename ReadHandler, typename AsyncReadStream,
+        typename DynamicBuffer_v2, typename CompletionCondition>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        AsyncReadStream* s, ASIO_MOVE_ARG(DynamicBuffer_v2) buffers,
+        ASIO_MOVE_ARG(CompletionCondition) completion_cond) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      non_const_lvalue<ReadHandler> handler2(handler);
+      non_const_lvalue<CompletionCondition> completion_cond2(completion_cond);
+      read_dynbuf_v2_op<AsyncReadStream, typename decay<DynamicBuffer_v2>::type,
+        CompletionCondition, typename decay<ReadHandler>::type>(
+          *s, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+            completion_cond2.value, handler2.value)(
+              asio::error_code(), 0, 1);
+    }
+  };
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+    typename CompletionCondition, typename ReadHandler, typename Allocator>
+struct associated_allocator<
+    detail::read_dynbuf_v2_op<AsyncReadStream,
+      DynamicBuffer_v2, CompletionCondition, ReadHandler>,
+    Allocator>
+{
+  typedef typename associated_allocator<ReadHandler, Allocator>::type type;
+
+  static type get(
+      const detail::read_dynbuf_v2_op<AsyncReadStream,
+        DynamicBuffer_v2, CompletionCondition, ReadHandler>& h,
+      const Allocator& a = Allocator()) ASIO_NOEXCEPT
+  {
+    return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a);
+  }
+};
+
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+    typename CompletionCondition, typename ReadHandler, typename Executor>
+struct associated_executor<
+    detail::read_dynbuf_v2_op<AsyncReadStream,
+      DynamicBuffer_v2, CompletionCondition, ReadHandler>,
+    Executor>
+{
+  typedef typename associated_executor<ReadHandler, Executor>::type type;
+
+  static type get(
+      const detail::read_dynbuf_v2_op<AsyncReadStream,
+        DynamicBuffer_v2, CompletionCondition, ReadHandler>& h,
+      const Executor& ex = Executor()) ASIO_NOEXCEPT
+  {
+    return associated_executor<ReadHandler, Executor>::get(h.handler_, ex);
+  }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream,
+    typename DynamicBuffer_v2, typename ReadHandler>
+inline ASIO_INITFN_RESULT_TYPE(ReadHandler,
+    void (asio::error_code, std::size_t))
+async_read(AsyncReadStream& s, DynamicBuffer_v2 buffers,
+    ASIO_MOVE_ARG(ReadHandler) handler,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type*)
+{
+  return async_read(s,
+      ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+      transfer_all(), ASIO_MOVE_CAST(ReadHandler)(handler));
+}
+
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+    typename CompletionCondition, typename ReadHandler>
+inline ASIO_INITFN_RESULT_TYPE(ReadHandler,
+    void (asio::error_code, std::size_t))
+async_read(AsyncReadStream& s, DynamicBuffer_v2 buffers,
+    CompletionCondition completion_condition,
+    ASIO_MOVE_ARG(ReadHandler) handler,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type*)
+{
+  // If you get an error on the following line it means that your handler does
+  // not meet the documented type requirements for a ReadHandler.
+  ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+  return async_initiate<ReadHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_read_dynbuf_v2(), handler, &s,
+      ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
+}
 
 } // namespace asio
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/read_at.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/read_at.hpp
index 019fd42..d57a589 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/read_at.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/read_at.hpp
@@ -2,7 +2,7 @@
 // impl/read_at.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -29,6 +29,7 @@
 #include "asio/detail/handler_cont_helpers.hpp"
 #include "asio/detail/handler_invoke_helpers.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
 #include "asio/detail/throw_error.hpp"
 #include "asio/error.hpp"
 
@@ -70,7 +71,8 @@ std::size_t read_at(SyncRandomAccessReadDevice& d,
     CompletionCondition completion_condition, asio::error_code& ec)
 {
   return detail::read_at_buffer_sequence(d, offset, buffers,
-      asio::buffer_sequence_begin(buffers), completion_condition, ec);
+      asio::buffer_sequence_begin(buffers),
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
 }
 
 template <typename SyncRandomAccessReadDevice, typename MutableBufferSequence>
@@ -99,8 +101,8 @@ inline std::size_t read_at(SyncRandomAccessReadDevice& d,
     CompletionCondition completion_condition)
 {
   asio::error_code ec;
-  std::size_t bytes_transferred = read_at(
-      d, offset, buffers, completion_condition, ec);
+  std::size_t bytes_transferred = read_at(d, offset, buffers,
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
   asio::detail::throw_error(ec, "read_at");
   return bytes_transferred;
 }
@@ -158,8 +160,8 @@ inline std::size_t read_at(SyncRandomAccessReadDevice& d,
     CompletionCondition completion_condition)
 {
   asio::error_code ec;
-  std::size_t bytes_transferred = read_at(
-      d, offset, b, completion_condition, ec);
+  std::size_t bytes_transferred = read_at(d, offset, b,
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
   asio::detail::throw_error(ec, "read_at");
   return bytes_transferred;
 }
@@ -178,7 +180,7 @@ namespace detail
   public:
     read_at_op(AsyncRandomAccessReadDevice& device,
         uint64_t offset, const MutableBufferSequence& buffers,
-        CompletionCondition completion_condition, ReadHandler& handler)
+        CompletionCondition& completion_condition, ReadHandler& handler)
       : detail::base_from_completion_cond<
           CompletionCondition>(completion_condition),
         device_(device),
@@ -201,10 +203,12 @@ namespace detail
     }
 
     read_at_op(read_at_op&& other)
-      : detail::base_from_completion_cond<CompletionCondition>(other),
+      : detail::base_from_completion_cond<CompletionCondition>(
+          ASIO_MOVE_CAST(detail::base_from_completion_cond<
+            CompletionCondition>)(other)),
         device_(other.device_),
         offset_(other.offset_),
-        buffers_(other.buffers_),
+        buffers_(ASIO_MOVE_CAST(buffers_type)(other.buffers_)),
         start_(other.start_),
         handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_))
     {
@@ -236,10 +240,12 @@ namespace detail
     }
 
   //private:
+    typedef asio::detail::consuming_buffers<mutable_buffer,
+        MutableBufferSequence, MutableBufferIterator> buffers_type;
+
     AsyncRandomAccessReadDevice& device_;
     uint64_t offset_;
-    asio::detail::consuming_buffers<mutable_buffer,
-        MutableBufferSequence, MutableBufferIterator> buffers_;
+    buffers_type buffers_;
     int start_;
     ReadHandler handler_;
   };
@@ -305,7 +311,7 @@ namespace detail
       typename CompletionCondition, typename ReadHandler>
   inline void start_read_at_buffer_sequence_op(AsyncRandomAccessReadDevice& d,
       uint64_t offset, const MutableBufferSequence& buffers,
-      const MutableBufferIterator&, CompletionCondition completion_condition,
+      const MutableBufferIterator&, CompletionCondition& completion_condition,
       ReadHandler& handler)
   {
     detail::read_at_op<AsyncRandomAccessReadDevice, MutableBufferSequence,
@@ -313,6 +319,27 @@ namespace detail
         d, offset, buffers, completion_condition, handler)(
           asio::error_code(), 0, 1);
   }
+
+  struct initiate_async_read_at_buffer_sequence
+  {
+    template <typename ReadHandler, typename AsyncRandomAccessReadDevice,
+        typename MutableBufferSequence, typename CompletionCondition>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        AsyncRandomAccessReadDevice* d, uint64_t offset,
+        const MutableBufferSequence& buffers,
+        ASIO_MOVE_ARG(CompletionCondition) completion_cond) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      non_const_lvalue<ReadHandler> handler2(handler);
+      non_const_lvalue<CompletionCondition> completion_cond2(completion_cond);
+      start_read_at_buffer_sequence_op(*d, offset, buffers,
+          asio::buffer_sequence_begin(buffers),
+          completion_cond2.value, handler2.value);
+    }
+  };
 } // namespace detail
 
 #if !defined(GENERATING_DOCUMENTATION)
@@ -368,18 +395,10 @@ async_read_at(AsyncRandomAccessReadDevice& d,
     CompletionCondition completion_condition,
     ASIO_MOVE_ARG(ReadHandler) handler)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a ReadHandler.
-  ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-  async_completion<ReadHandler,
-    void (asio::error_code, std::size_t)> init(handler);
-
-  detail::start_read_at_buffer_sequence_op(d, offset, buffers,
-      asio::buffer_sequence_begin(buffers), completion_condition,
-      init.completion_handler);
-
-  return init.result.get();
+  return async_initiate<ReadHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_read_at_buffer_sequence(), handler, &d, offset,
+      buffers, ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
 }
 
 template <typename AsyncRandomAccessReadDevice, typename MutableBufferSequence,
@@ -390,18 +409,10 @@ async_read_at(AsyncRandomAccessReadDevice& d,
     uint64_t offset, const MutableBufferSequence& buffers,
     ASIO_MOVE_ARG(ReadHandler) handler)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a ReadHandler.
-  ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-  async_completion<ReadHandler,
-    void (asio::error_code, std::size_t)> init(handler);
-
-  detail::start_read_at_buffer_sequence_op(d, offset, buffers,
-      asio::buffer_sequence_begin(buffers), transfer_all(),
-      init.completion_handler);
-
-  return init.result.get();
+  return async_initiate<ReadHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_read_at_buffer_sequence(),
+      handler, &d, offset, buffers, transfer_all());
 }
 
 #if !defined(ASIO_NO_EXTENSIONS)
@@ -417,7 +428,7 @@ namespace detail
   public:
     read_at_streambuf_op(AsyncRandomAccessReadDevice& device,
         uint64_t offset, basic_streambuf<Allocator>& streambuf,
-        CompletionCondition completion_condition, ReadHandler& handler)
+        CompletionCondition& completion_condition, ReadHandler& handler)
       : detail::base_from_completion_cond<
           CompletionCondition>(completion_condition),
         device_(device),
@@ -442,7 +453,9 @@ namespace detail
     }
 
     read_at_streambuf_op(read_at_streambuf_op&& other)
-      : detail::base_from_completion_cond<CompletionCondition>(other),
+      : detail::base_from_completion_cond<CompletionCondition>(
+          ASIO_MOVE_CAST(detail::base_from_completion_cond<
+            CompletionCondition>)(other)),
         device_(other.device_),
         offset_(other.offset_),
         streambuf_(other.streambuf_),
@@ -539,6 +552,28 @@ namespace detail
     asio_handler_invoke_helpers::invoke(
         function, this_handler->handler_);
   }
+
+  struct initiate_async_read_at_streambuf
+  {
+    template <typename ReadHandler, typename AsyncRandomAccessReadDevice,
+        typename Allocator, typename CompletionCondition>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        AsyncRandomAccessReadDevice* d, uint64_t offset,
+        basic_streambuf<Allocator>* b,
+        ASIO_MOVE_ARG(CompletionCondition) completion_cond) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      non_const_lvalue<ReadHandler> handler2(handler);
+      non_const_lvalue<CompletionCondition> completion_cond2(completion_cond);
+      read_at_streambuf_op<AsyncRandomAccessReadDevice, Allocator,
+        CompletionCondition, typename decay<ReadHandler>::type>(
+          *d, offset, *b, completion_cond2.value, handler2.value)(
+            asio::error_code(), 0, 1);
+    }
+  };
 } // namespace detail
 
 #if !defined(GENERATING_DOCUMENTATION)
@@ -590,20 +625,10 @@ async_read_at(AsyncRandomAccessReadDevice& d,
     CompletionCondition completion_condition,
     ASIO_MOVE_ARG(ReadHandler) handler)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a ReadHandler.
-  ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-  async_completion<ReadHandler,
-    void (asio::error_code, std::size_t)> init(handler);
-
-  detail::read_at_streambuf_op<AsyncRandomAccessReadDevice, Allocator,
-    CompletionCondition, ASIO_HANDLER_TYPE(ReadHandler,
-      void (asio::error_code, std::size_t))>(
-        d, offset, b, completion_condition, init.completion_handler)(
-          asio::error_code(), 0, 1);
-
-  return init.result.get();
+  return async_initiate<ReadHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_read_at_streambuf(), handler, &d, offset,
+      &b, ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
 }
 
 template <typename AsyncRandomAccessReadDevice, typename Allocator,
@@ -614,20 +639,10 @@ async_read_at(AsyncRandomAccessReadDevice& d,
     uint64_t offset, asio::basic_streambuf<Allocator>& b,
     ASIO_MOVE_ARG(ReadHandler) handler)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a ReadHandler.
-  ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-  async_completion<ReadHandler,
-    void (asio::error_code, std::size_t)> init(handler);
-
-  detail::read_at_streambuf_op<AsyncRandomAccessReadDevice, Allocator,
-    detail::transfer_all_t, ASIO_HANDLER_TYPE(ReadHandler,
-      void (asio::error_code, std::size_t))>(
-        d, offset, b, transfer_all(), init.completion_handler)(
-          asio::error_code(), 0, 1);
-
-  return init.result.get();
+  return async_initiate<ReadHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_read_at_streambuf(),
+      handler, &d, offset, &b, transfer_all());
 }
 
 #endif // !defined(ASIO_NO_IOSTREAM)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/read_until.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/read_until.hpp
index 6401bd1..484732e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/read_until.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/read_until.hpp
@@ -2,7 +2,7 @@
 // impl/read_until.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -29,36 +29,82 @@
 #include "asio/detail/handler_invoke_helpers.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
 #include "asio/detail/limits.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
 #include "asio/detail/throw_error.hpp"
 
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
 
-template <typename SyncReadStream, typename DynamicBuffer>
+namespace detail
+{
+  // Algorithm that finds a subsequence of equal values in a sequence. Returns
+  // (iterator,true) if a full match was found, in which case the iterator
+  // points to the beginning of the match. Returns (iterator,false) if a
+  // partial match was found at the end of the first sequence, in which case
+  // the iterator points to the beginning of the partial match. Returns
+  // (last1,false) if no full or partial match was found.
+  template <typename Iterator1, typename Iterator2>
+  std::pair<Iterator1, bool> partial_search(
+      Iterator1 first1, Iterator1 last1, Iterator2 first2, Iterator2 last2)
+  {
+    for (Iterator1 iter1 = first1; iter1 != last1; ++iter1)
+    {
+      Iterator1 test_iter1 = iter1;
+      Iterator2 test_iter2 = first2;
+      for (;; ++test_iter1, ++test_iter2)
+      {
+        if (test_iter2 == last2)
+          return std::make_pair(iter1, true);
+        if (test_iter1 == last1)
+        {
+          if (test_iter2 != first2)
+            return std::make_pair(iter1, false);
+          else
+            break;
+        }
+        if (*test_iter1 != *test_iter2)
+          break;
+      }
+    }
+    return std::make_pair(last1, false);
+  }
+} // namespace detail
+
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
+template <typename SyncReadStream, typename DynamicBuffer_v1>
 inline std::size_t read_until(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers, char delim)
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers, char delim,
+    typename enable_if<
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+    >::type*)
 {
   asio::error_code ec;
   std::size_t bytes_transferred = read_until(s,
-      ASIO_MOVE_CAST(DynamicBuffer)(buffers), delim, ec);
+      ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers), delim, ec);
   asio::detail::throw_error(ec, "read_until");
   return bytes_transferred;
 }
 
-template <typename SyncReadStream, typename DynamicBuffer>
+template <typename SyncReadStream, typename DynamicBuffer_v1>
 std::size_t read_until(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
-    char delim, asio::error_code& ec)
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+    char delim, asio::error_code& ec,
+    typename enable_if<
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+    >::type*)
 {
-  typename decay<DynamicBuffer>::type b(
-      ASIO_MOVE_CAST(DynamicBuffer)(buffers));
+  typename decay<DynamicBuffer_v1>::type b(
+      ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers));
 
   std::size_t search_position = 0;
   for (;;)
   {
     // Determine the range of the data to be searched.
-    typedef typename DynamicBuffer::const_buffers_type buffers_type;
+    typedef typename DynamicBuffer_v1::const_buffers_type buffers_type;
     typedef buffers_iterator<buffers_type> iterator;
     buffers_type data_buffers = b.data();
     iterator begin = iterator::begin(data_buffers);
@@ -96,66 +142,39 @@ std::size_t read_until(SyncReadStream& s,
   }
 }
 
-template <typename SyncReadStream, typename DynamicBuffer>
+template <typename SyncReadStream, typename DynamicBuffer_v1>
 inline std::size_t read_until(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
-    ASIO_STRING_VIEW_PARAM delim)
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+    ASIO_STRING_VIEW_PARAM delim,
+    typename enable_if<
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+    >::type*)
 {
   asio::error_code ec;
   std::size_t bytes_transferred = read_until(s,
-      ASIO_MOVE_CAST(DynamicBuffer)(buffers), delim, ec);
+      ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers), delim, ec);
   asio::detail::throw_error(ec, "read_until");
   return bytes_transferred;
 }
 
-namespace detail
-{
-  // Algorithm that finds a subsequence of equal values in a sequence. Returns
-  // (iterator,true) if a full match was found, in which case the iterator
-  // points to the beginning of the match. Returns (iterator,false) if a
-  // partial match was found at the end of the first sequence, in which case
-  // the iterator points to the beginning of the partial match. Returns
-  // (last1,false) if no full or partial match was found.
-  template <typename Iterator1, typename Iterator2>
-  std::pair<Iterator1, bool> partial_search(
-      Iterator1 first1, Iterator1 last1, Iterator2 first2, Iterator2 last2)
-  {
-    for (Iterator1 iter1 = first1; iter1 != last1; ++iter1)
-    {
-      Iterator1 test_iter1 = iter1;
-      Iterator2 test_iter2 = first2;
-      for (;; ++test_iter1, ++test_iter2)
-      {
-        if (test_iter2 == last2)
-          return std::make_pair(iter1, true);
-        if (test_iter1 == last1)
-        {
-          if (test_iter2 != first2)
-            return std::make_pair(iter1, false);
-          else
-            break;
-        }
-        if (*test_iter1 != *test_iter2)
-          break;
-      }
-    }
-    return std::make_pair(last1, false);
-  }
-} // namespace detail
-
-template <typename SyncReadStream, typename DynamicBuffer>
+template <typename SyncReadStream, typename DynamicBuffer_v1>
 std::size_t read_until(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
-    ASIO_STRING_VIEW_PARAM delim, asio::error_code& ec)
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+    ASIO_STRING_VIEW_PARAM delim, asio::error_code& ec,
+    typename enable_if<
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+    >::type*)
 {
-  typename decay<DynamicBuffer>::type b(
-      ASIO_MOVE_CAST(DynamicBuffer)(buffers));
+  typename decay<DynamicBuffer_v1>::type b(
+      ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers));
 
   std::size_t search_position = 0;
   for (;;)
   {
     // Determine the range of the data to be searched.
-    typedef typename DynamicBuffer::const_buffers_type buffers_type;
+    typedef typename DynamicBuffer_v1::const_buffers_type buffers_type;
     typedef buffers_iterator<buffers_type> iterator;
     buffers_type data_buffers = b.data();
     iterator begin = iterator::begin(data_buffers);
@@ -205,31 +224,39 @@ std::size_t read_until(SyncReadStream& s,
 #if !defined(ASIO_NO_EXTENSIONS)
 #if defined(ASIO_HAS_BOOST_REGEX)
 
-template <typename SyncReadStream, typename DynamicBuffer>
+template <typename SyncReadStream, typename DynamicBuffer_v1>
 inline std::size_t read_until(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
-    const boost::regex& expr)
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+    const boost::regex& expr,
+    typename enable_if<
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+    >::type*)
 {
   asio::error_code ec;
   std::size_t bytes_transferred = read_until(s,
-      ASIO_MOVE_CAST(DynamicBuffer)(buffers), expr, ec);
+      ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers), expr, ec);
   asio::detail::throw_error(ec, "read_until");
   return bytes_transferred;
 }
 
-template <typename SyncReadStream, typename DynamicBuffer>
+template <typename SyncReadStream, typename DynamicBuffer_v1>
 std::size_t read_until(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
-    const boost::regex& expr, asio::error_code& ec)
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+    const boost::regex& expr, asio::error_code& ec,
+    typename enable_if<
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+    >::type*)
 {
-  typename decay<DynamicBuffer>::type b(
-      ASIO_MOVE_CAST(DynamicBuffer)(buffers));
+  typename decay<DynamicBuffer_v1>::type b(
+      ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers));
 
   std::size_t search_position = 0;
   for (;;)
   {
     // Determine the range of the data to be searched.
-    typedef typename DynamicBuffer::const_buffers_type buffers_type;
+    typedef typename DynamicBuffer_v1::const_buffers_type buffers_type;
     typedef buffers_iterator<buffers_type> iterator;
     buffers_type data_buffers = b.data();
     iterator begin = iterator::begin(data_buffers);
@@ -269,7 +296,9 @@ std::size_t read_until(SyncReadStream& s,
     }
 
     // Need more data.
-    std::size_t bytes_to_read = read_size_helper(b, 65536);
+    std::size_t bytes_to_read = std::min<std::size_t>(
+          std::max<std::size_t>(512, b.capacity() - b.size()),
+          std::min<std::size_t>(65536, b.max_size() - b.size()));
     b.commit(s.read_some(b.prepare(bytes_to_read), ec));
     if (ec)
       return 0;
@@ -279,35 +308,43 @@ std::size_t read_until(SyncReadStream& s,
 #endif // defined(ASIO_HAS_BOOST_REGEX)
 
 template <typename SyncReadStream,
-    typename DynamicBuffer, typename MatchCondition>
+    typename DynamicBuffer_v1, typename MatchCondition>
 inline std::size_t read_until(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     MatchCondition match_condition,
-    typename enable_if<is_match_condition<MatchCondition>::value>::type*)
+    typename enable_if<
+      is_match_condition<MatchCondition>::value
+        && is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+    >::type*)
 {
   asio::error_code ec;
   std::size_t bytes_transferred = read_until(s,
-      ASIO_MOVE_CAST(DynamicBuffer)(buffers),
+      ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
       match_condition, ec);
   asio::detail::throw_error(ec, "read_until");
   return bytes_transferred;
 }
 
 template <typename SyncReadStream,
-    typename DynamicBuffer, typename MatchCondition>
+    typename DynamicBuffer_v1, typename MatchCondition>
 std::size_t read_until(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     MatchCondition match_condition, asio::error_code& ec,
-    typename enable_if<is_match_condition<MatchCondition>::value>::type*)
+    typename enable_if<
+      is_match_condition<MatchCondition>::value
+        && is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+    >::type*)
 {
-  typename decay<DynamicBuffer>::type b(
-      ASIO_MOVE_CAST(DynamicBuffer)(buffers));
+  typename decay<DynamicBuffer_v1>::type b(
+      ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers));
 
   std::size_t search_position = 0;
   for (;;)
   {
     // Determine the range of the data to be searched.
-    typedef typename DynamicBuffer::const_buffers_type buffers_type;
+    typedef typename DynamicBuffer_v1::const_buffers_type buffers_type;
     typedef buffers_iterator<buffers_type> iterator;
     buffers_type data_buffers = b.data();
     iterator begin = iterator::begin(data_buffers);
@@ -421,16 +458,332 @@ inline std::size_t read_until(SyncReadStream& s,
 
 #endif // !defined(ASIO_NO_IOSTREAM)
 #endif // !defined(ASIO_NO_EXTENSIONS)
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+inline std::size_t read_until(SyncReadStream& s,
+    DynamicBuffer_v2 buffers, char delim,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type*)
+{
+  asio::error_code ec;
+  std::size_t bytes_transferred = read_until(s,
+      ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers), delim, ec);
+  asio::detail::throw_error(ec, "read_until");
+  return bytes_transferred;
+}
+
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+std::size_t read_until(SyncReadStream& s, DynamicBuffer_v2 buffers,
+    char delim, asio::error_code& ec,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type*)
+{
+  DynamicBuffer_v2& b = buffers;
+
+  std::size_t search_position = 0;
+  for (;;)
+  {
+    // Determine the range of the data to be searched.
+    typedef typename DynamicBuffer_v2::const_buffers_type buffers_type;
+    typedef buffers_iterator<buffers_type> iterator;
+    buffers_type data_buffers =
+      const_cast<const DynamicBuffer_v2&>(b).data(0, b.size());
+    iterator begin = iterator::begin(data_buffers);
+    iterator start_pos = begin + search_position;
+    iterator end = iterator::end(data_buffers);
+
+    // Look for a match.
+    iterator iter = std::find(start_pos, end, delim);
+    if (iter != end)
+    {
+      // Found a match. We're done.
+      ec = asio::error_code();
+      return iter - begin + 1;
+    }
+    else
+    {
+      // No match. Next search can start with the new data.
+      search_position = end - begin;
+    }
+
+    // Check if buffer is full.
+    if (b.size() == b.max_size())
+    {
+      ec = error::not_found;
+      return 0;
+    }
+
+    // Need more data.
+    std::size_t bytes_to_read = std::min<std::size_t>(
+          std::max<std::size_t>(512, b.capacity() - b.size()),
+          std::min<std::size_t>(65536, b.max_size() - b.size()));
+    std::size_t pos = b.size();
+    b.grow(bytes_to_read);
+    std::size_t bytes_transferred = s.read_some(b.data(pos, bytes_to_read), ec);
+    b.shrink(bytes_to_read - bytes_transferred);
+    if (ec)
+      return 0;
+  }
+}
+
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+inline std::size_t read_until(SyncReadStream& s,
+    DynamicBuffer_v2 buffers, ASIO_STRING_VIEW_PARAM delim,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type*)
+{
+  asio::error_code ec;
+  std::size_t bytes_transferred = read_until(s,
+      ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers), delim, ec);
+  asio::detail::throw_error(ec, "read_until");
+  return bytes_transferred;
+}
+
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+std::size_t read_until(SyncReadStream& s, DynamicBuffer_v2 buffers,
+    ASIO_STRING_VIEW_PARAM delim, asio::error_code& ec,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type*)
+{
+  DynamicBuffer_v2& b = buffers;
+
+  std::size_t search_position = 0;
+  for (;;)
+  {
+    // Determine the range of the data to be searched.
+    typedef typename DynamicBuffer_v2::const_buffers_type buffers_type;
+    typedef buffers_iterator<buffers_type> iterator;
+    buffers_type data_buffers =
+      const_cast<const DynamicBuffer_v2&>(b).data(0, b.size());
+    iterator begin = iterator::begin(data_buffers);
+    iterator start_pos = begin + search_position;
+    iterator end = iterator::end(data_buffers);
+
+    // Look for a match.
+    std::pair<iterator, bool> result = detail::partial_search(
+        start_pos, end, delim.begin(), delim.end());
+    if (result.first != end)
+    {
+      if (result.second)
+      {
+        // Full match. We're done.
+        ec = asio::error_code();
+        return result.first - begin + delim.length();
+      }
+      else
+      {
+        // Partial match. Next search needs to start from beginning of match.
+        search_position = result.first - begin;
+      }
+    }
+    else
+    {
+      // No match. Next search can start with the new data.
+      search_position = end - begin;
+    }
+
+    // Check if buffer is full.
+    if (b.size() == b.max_size())
+    {
+      ec = error::not_found;
+      return 0;
+    }
+
+    // Need more data.
+    std::size_t bytes_to_read = std::min<std::size_t>(
+          std::max<std::size_t>(512, b.capacity() - b.size()),
+          std::min<std::size_t>(65536, b.max_size() - b.size()));
+    std::size_t pos = b.size();
+    b.grow(bytes_to_read);
+    std::size_t bytes_transferred = s.read_some(b.data(pos, bytes_to_read), ec);
+    b.shrink(bytes_to_read - bytes_transferred);
+    if (ec)
+      return 0;
+  }
+}
+
+#if !defined(ASIO_NO_EXTENSIONS)
+#if defined(ASIO_HAS_BOOST_REGEX)
+
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+inline std::size_t read_until(SyncReadStream& s,
+    DynamicBuffer_v2 buffers, const boost::regex& expr,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type*)
+{
+  asio::error_code ec;
+  std::size_t bytes_transferred = read_until(s,
+      ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers), expr, ec);
+  asio::detail::throw_error(ec, "read_until");
+  return bytes_transferred;
+}
+
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+std::size_t read_until(SyncReadStream& s, DynamicBuffer_v2 buffers,
+    const boost::regex& expr, asio::error_code& ec,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type*)
+{
+  DynamicBuffer_v2& b = buffers;
+
+  std::size_t search_position = 0;
+  for (;;)
+  {
+    // Determine the range of the data to be searched.
+    typedef typename DynamicBuffer_v2::const_buffers_type buffers_type;
+    typedef buffers_iterator<buffers_type> iterator;
+    buffers_type data_buffers =
+      const_cast<const DynamicBuffer_v2&>(b).data(0, b.size());
+    iterator begin = iterator::begin(data_buffers);
+    iterator start_pos = begin + search_position;
+    iterator end = iterator::end(data_buffers);
+
+    // Look for a match.
+    boost::match_results<iterator,
+      typename std::vector<boost::sub_match<iterator> >::allocator_type>
+        match_results;
+    if (regex_search(start_pos, end, match_results, expr,
+          boost::match_default | boost::match_partial))
+    {
+      if (match_results[0].matched)
+      {
+        // Full match. We're done.
+        ec = asio::error_code();
+        return match_results[0].second - begin;
+      }
+      else
+      {
+        // Partial match. Next search needs to start from beginning of match.
+        search_position = match_results[0].first - begin;
+      }
+    }
+    else
+    {
+      // No match. Next search can start with the new data.
+      search_position = end - begin;
+    }
+
+    // Check if buffer is full.
+    if (b.size() == b.max_size())
+    {
+      ec = error::not_found;
+      return 0;
+    }
+
+    // Need more data.
+    std::size_t bytes_to_read = std::min<std::size_t>(
+          std::max<std::size_t>(512, b.capacity() - b.size()),
+          std::min<std::size_t>(65536, b.max_size() - b.size()));
+    std::size_t pos = b.size();
+    b.grow(bytes_to_read);
+    std::size_t bytes_transferred = s.read_some(b.data(pos, bytes_to_read), ec);
+    b.shrink(bytes_to_read - bytes_transferred);
+    if (ec)
+      return 0;
+  }
+}
+
+#endif // defined(ASIO_HAS_BOOST_REGEX)
+
+template <typename SyncReadStream,
+    typename DynamicBuffer_v2, typename MatchCondition>
+inline std::size_t read_until(SyncReadStream& s,
+    DynamicBuffer_v2 buffers, MatchCondition match_condition,
+    typename enable_if<
+      is_match_condition<MatchCondition>::value
+        && is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type*)
+{
+  asio::error_code ec;
+  std::size_t bytes_transferred = read_until(s,
+      ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+      match_condition, ec);
+  asio::detail::throw_error(ec, "read_until");
+  return bytes_transferred;
+}
+
+template <typename SyncReadStream,
+    typename DynamicBuffer_v2, typename MatchCondition>
+std::size_t read_until(SyncReadStream& s, DynamicBuffer_v2 buffers,
+    MatchCondition match_condition, asio::error_code& ec,
+    typename enable_if<
+      is_match_condition<MatchCondition>::value
+        && is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type*)
+{
+  DynamicBuffer_v2& b = buffers;
+
+  std::size_t search_position = 0;
+  for (;;)
+  {
+    // Determine the range of the data to be searched.
+    typedef typename DynamicBuffer_v2::const_buffers_type buffers_type;
+    typedef buffers_iterator<buffers_type> iterator;
+    buffers_type data_buffers =
+      const_cast<const DynamicBuffer_v2&>(b).data(0, b.size());
+    iterator begin = iterator::begin(data_buffers);
+    iterator start_pos = begin + search_position;
+    iterator end = iterator::end(data_buffers);
+
+    // Look for a match.
+    std::pair<iterator, bool> result = match_condition(start_pos, end);
+    if (result.second)
+    {
+      // Full match. We're done.
+      ec = asio::error_code();
+      return result.first - begin;
+    }
+    else if (result.first != end)
+    {
+      // Partial match. Next search needs to start from beginning of match.
+      search_position = result.first - begin;
+    }
+    else
+    {
+      // No match. Next search can start with the new data.
+      search_position = end - begin;
+    }
+
+    // Check if buffer is full.
+    if (b.size() == b.max_size())
+    {
+      ec = error::not_found;
+      return 0;
+    }
+
+    // Need more data.
+    std::size_t bytes_to_read = std::min<std::size_t>(
+          std::max<std::size_t>(512, b.capacity() - b.size()),
+          std::min<std::size_t>(65536, b.max_size() - b.size()));
+    std::size_t pos = b.size();
+    b.grow(bytes_to_read);
+    std::size_t bytes_transferred = s.read_some(b.data(pos, bytes_to_read), ec);
+    b.shrink(bytes_to_read - bytes_transferred);
+    if (ec)
+      return 0;
+  }
+}
+
+#endif // !defined(ASIO_NO_EXTENSIONS)
+
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 
 namespace detail
 {
   template <typename AsyncReadStream,
-      typename DynamicBuffer, typename ReadHandler>
-  class read_until_delim_op
+      typename DynamicBuffer_v1, typename ReadHandler>
+  class read_until_delim_op_v1
   {
   public:
     template <typename BufferSequence>
-    read_until_delim_op(AsyncReadStream& stream,
+    read_until_delim_op_v1(AsyncReadStream& stream,
         ASIO_MOVE_ARG(BufferSequence) buffers,
         char delim, ReadHandler& handler)
       : stream_(stream),
@@ -443,7 +796,7 @@ namespace detail
     }
 
 #if defined(ASIO_HAS_MOVE)
-    read_until_delim_op(const read_until_delim_op& other)
+    read_until_delim_op_v1(const read_until_delim_op_v1& other)
       : stream_(other.stream_),
         buffers_(other.buffers_),
         delim_(other.delim_),
@@ -453,9 +806,9 @@ namespace detail
     {
     }
 
-    read_until_delim_op(read_until_delim_op&& other)
+    read_until_delim_op_v1(read_until_delim_op_v1&& other)
       : stream_(other.stream_),
-        buffers_(ASIO_MOVE_CAST(DynamicBuffer)(other.buffers_)),
+        buffers_(ASIO_MOVE_CAST(DynamicBuffer_v1)(other.buffers_)),
         delim_(other.delim_),
         start_(other.start_),
         search_position_(other.search_position_),
@@ -476,7 +829,7 @@ namespace detail
         {
           {
             // Determine the range of the data to be searched.
-            typedef typename DynamicBuffer::const_buffers_type
+            typedef typename DynamicBuffer_v1::const_buffers_type
               buffers_type;
             typedef buffers_iterator<buffers_type> iterator;
             buffers_type data_buffers = buffers_.data();
@@ -517,9 +870,9 @@ namespace detail
           if (!start && bytes_to_read == 0)
             break;
 
-          // Start a new asynchronous read operation to obtain more data.
+          // Start a new asynchronous read op_v1eration to obtain more data.
           stream_.async_read_some(buffers_.prepare(bytes_to_read),
-              ASIO_MOVE_CAST(read_until_delim_op)(*this));
+              ASIO_MOVE_CAST(read_until_delim_op_v1)(*this));
           return; default:
           buffers_.commit(bytes_transferred);
           if (ec || bytes_transferred == 0)
@@ -540,7 +893,7 @@ namespace detail
 
   //private:
     AsyncReadStream& stream_;
-    DynamicBuffer buffers_;
+    DynamicBuffer_v1 buffers_;
     char delim_;
     int start_;
     std::size_t search_position_;
@@ -548,30 +901,30 @@ namespace detail
   };
 
   template <typename AsyncReadStream,
-      typename DynamicBuffer, typename ReadHandler>
+      typename DynamicBuffer_v1, typename ReadHandler>
   inline void* asio_handler_allocate(std::size_t size,
-      read_until_delim_op<AsyncReadStream,
-        DynamicBuffer, ReadHandler>* this_handler)
+      read_until_delim_op_v1<AsyncReadStream,
+        DynamicBuffer_v1, ReadHandler>* this_handler)
   {
     return asio_handler_alloc_helpers::allocate(
         size, this_handler->handler_);
   }
 
   template <typename AsyncReadStream,
-      typename DynamicBuffer, typename ReadHandler>
+      typename DynamicBuffer_v1, typename ReadHandler>
   inline void asio_handler_deallocate(void* pointer, std::size_t size,
-      read_until_delim_op<AsyncReadStream,
-        DynamicBuffer, ReadHandler>* this_handler)
+      read_until_delim_op_v1<AsyncReadStream,
+        DynamicBuffer_v1, ReadHandler>* this_handler)
   {
     asio_handler_alloc_helpers::deallocate(
         pointer, size, this_handler->handler_);
   }
 
   template <typename AsyncReadStream,
-      typename DynamicBuffer, typename ReadHandler>
+      typename DynamicBuffer_v1, typename ReadHandler>
   inline bool asio_handler_is_continuation(
-      read_until_delim_op<AsyncReadStream,
-        DynamicBuffer, ReadHandler>* this_handler)
+      read_until_delim_op_v1<AsyncReadStream,
+        DynamicBuffer_v1, ReadHandler>* this_handler)
   {
     return this_handler->start_ == 0 ? true
       : asio_handler_cont_helpers::is_continuation(
@@ -579,58 +932,79 @@ namespace detail
   }
 
   template <typename Function, typename AsyncReadStream,
-      typename DynamicBuffer, typename ReadHandler>
+      typename DynamicBuffer_v1, typename ReadHandler>
   inline void asio_handler_invoke(Function& function,
-      read_until_delim_op<AsyncReadStream,
-        DynamicBuffer, ReadHandler>* this_handler)
+      read_until_delim_op_v1<AsyncReadStream,
+        DynamicBuffer_v1, ReadHandler>* this_handler)
   {
     asio_handler_invoke_helpers::invoke(
         function, this_handler->handler_);
   }
 
   template <typename Function, typename AsyncReadStream,
-      typename DynamicBuffer, typename ReadHandler>
+      typename DynamicBuffer_v1, typename ReadHandler>
   inline void asio_handler_invoke(const Function& function,
-      read_until_delim_op<AsyncReadStream,
-        DynamicBuffer, ReadHandler>* this_handler)
+      read_until_delim_op_v1<AsyncReadStream,
+        DynamicBuffer_v1, ReadHandler>* this_handler)
   {
     asio_handler_invoke_helpers::invoke(
         function, this_handler->handler_);
   }
+
+  struct initiate_async_read_until_delim_v1
+  {
+    template <typename ReadHandler, typename AsyncReadStream,
+        typename DynamicBuffer_v1>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        AsyncReadStream* s, ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+        char delim) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      non_const_lvalue<ReadHandler> handler2(handler);
+      read_until_delim_op_v1<AsyncReadStream,
+        typename decay<DynamicBuffer_v1>::type,
+          typename decay<ReadHandler>::type>(
+            *s, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+            delim, handler2.value)(asio::error_code(), 0, 1);
+    }
+  };
 } // namespace detail
 
 #if !defined(GENERATING_DOCUMENTATION)
 
-template <typename AsyncReadStream, typename DynamicBuffer,
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
     typename ReadHandler, typename Allocator>
 struct associated_allocator<
-    detail::read_until_delim_op<AsyncReadStream,
-      DynamicBuffer, ReadHandler>,
+    detail::read_until_delim_op_v1<AsyncReadStream,
+      DynamicBuffer_v1, ReadHandler>,
     Allocator>
 {
   typedef typename associated_allocator<ReadHandler, Allocator>::type type;
 
   static type get(
-      const detail::read_until_delim_op<AsyncReadStream,
-        DynamicBuffer, ReadHandler>& h,
+      const detail::read_until_delim_op_v1<AsyncReadStream,
+        DynamicBuffer_v1, ReadHandler>& h,
       const Allocator& a = Allocator()) ASIO_NOEXCEPT
   {
     return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a);
   }
 };
 
-template <typename AsyncReadStream, typename DynamicBuffer,
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
     typename ReadHandler, typename Executor>
 struct associated_executor<
-    detail::read_until_delim_op<AsyncReadStream,
-      DynamicBuffer, ReadHandler>,
+    detail::read_until_delim_op_v1<AsyncReadStream,
+      DynamicBuffer_v1, ReadHandler>,
     Executor>
 {
   typedef typename associated_executor<ReadHandler, Executor>::type type;
 
   static type get(
-      const detail::read_until_delim_op<AsyncReadStream,
-        DynamicBuffer, ReadHandler>& h,
+      const detail::read_until_delim_op_v1<AsyncReadStream,
+        DynamicBuffer_v1, ReadHandler>& h,
       const Executor& ex = Executor()) ASIO_NOEXCEPT
   {
     return associated_executor<ReadHandler, Executor>::get(h.handler_, ex);
@@ -640,39 +1014,32 @@ struct associated_executor<
 #endif // !defined(GENERATING_DOCUMENTATION)
 
 template <typename AsyncReadStream,
-    typename DynamicBuffer, typename ReadHandler>
+    typename DynamicBuffer_v1, typename ReadHandler>
 ASIO_INITFN_RESULT_TYPE(ReadHandler,
     void (asio::error_code, std::size_t))
 async_read_until(AsyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
-    char delim, ASIO_MOVE_ARG(ReadHandler) handler)
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+    char delim, ASIO_MOVE_ARG(ReadHandler) handler,
+    typename enable_if<
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+    >::type*)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a ReadHandler.
-  ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-  async_completion<ReadHandler,
-    void (asio::error_code, std::size_t)> init(handler);
-
-  detail::read_until_delim_op<AsyncReadStream,
-    typename decay<DynamicBuffer>::type,
-      ASIO_HANDLER_TYPE(ReadHandler,
-        void (asio::error_code, std::size_t))>(
-          s, ASIO_MOVE_CAST(DynamicBuffer)(buffers),
-            delim, init.completion_handler)(asio::error_code(), 0, 1);
-
-  return init.result.get();
+  return async_initiate<ReadHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_read_until_delim_v1(), handler,
+      &s, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers), delim);
 }
 
 namespace detail
 {
   template <typename AsyncReadStream,
-      typename DynamicBuffer, typename ReadHandler>
-  class read_until_delim_string_op
+      typename DynamicBuffer_v1, typename ReadHandler>
+  class read_until_delim_string_op_v1
   {
   public:
     template <typename BufferSequence>
-    read_until_delim_string_op(AsyncReadStream& stream,
+    read_until_delim_string_op_v1(AsyncReadStream& stream,
         ASIO_MOVE_ARG(BufferSequence) buffers,
         const std::string& delim, ReadHandler& handler)
       : stream_(stream),
@@ -685,7 +1052,7 @@ namespace detail
     }
 
 #if defined(ASIO_HAS_MOVE)
-    read_until_delim_string_op(const read_until_delim_string_op& other)
+    read_until_delim_string_op_v1(const read_until_delim_string_op_v1& other)
       : stream_(other.stream_),
         buffers_(other.buffers_),
         delim_(other.delim_),
@@ -695,9 +1062,9 @@ namespace detail
     {
     }
 
-    read_until_delim_string_op(read_until_delim_string_op&& other)
+    read_until_delim_string_op_v1(read_until_delim_string_op_v1&& other)
       : stream_(other.stream_),
-        buffers_(ASIO_MOVE_CAST(DynamicBuffer)(other.buffers_)),
+        buffers_(ASIO_MOVE_CAST(DynamicBuffer_v1)(other.buffers_)),
         delim_(ASIO_MOVE_CAST(std::string)(other.delim_)),
         start_(other.start_),
         search_position_(other.search_position_),
@@ -718,7 +1085,7 @@ namespace detail
         {
           {
             // Determine the range of the data to be searched.
-            typedef typename DynamicBuffer::const_buffers_type
+            typedef typename DynamicBuffer_v1::const_buffers_type
               buffers_type;
             typedef buffers_iterator<buffers_type> iterator;
             buffers_type data_buffers = buffers_.data();
@@ -770,9 +1137,9 @@ namespace detail
           if (!start && bytes_to_read == 0)
             break;
 
-          // Start a new asynchronous read operation to obtain more data.
+          // Start a new asynchronous read op_v1eration to obtain more data.
           stream_.async_read_some(buffers_.prepare(bytes_to_read),
-              ASIO_MOVE_CAST(read_until_delim_string_op)(*this));
+              ASIO_MOVE_CAST(read_until_delim_string_op_v1)(*this));
           return; default:
           buffers_.commit(bytes_transferred);
           if (ec || bytes_transferred == 0)
@@ -793,7 +1160,7 @@ namespace detail
 
   //private:
     AsyncReadStream& stream_;
-    DynamicBuffer buffers_;
+    DynamicBuffer_v1 buffers_;
     std::string delim_;
     int start_;
     std::size_t search_position_;
@@ -801,30 +1168,30 @@ namespace detail
   };
 
   template <typename AsyncReadStream,
-      typename DynamicBuffer, typename ReadHandler>
+      typename DynamicBuffer_v1, typename ReadHandler>
   inline void* asio_handler_allocate(std::size_t size,
-      read_until_delim_string_op<AsyncReadStream,
-        DynamicBuffer, ReadHandler>* this_handler)
+      read_until_delim_string_op_v1<AsyncReadStream,
+        DynamicBuffer_v1, ReadHandler>* this_handler)
   {
     return asio_handler_alloc_helpers::allocate(
         size, this_handler->handler_);
   }
 
   template <typename AsyncReadStream,
-      typename DynamicBuffer, typename ReadHandler>
+      typename DynamicBuffer_v1, typename ReadHandler>
   inline void asio_handler_deallocate(void* pointer, std::size_t size,
-      read_until_delim_string_op<AsyncReadStream,
-        DynamicBuffer, ReadHandler>* this_handler)
+      read_until_delim_string_op_v1<AsyncReadStream,
+        DynamicBuffer_v1, ReadHandler>* this_handler)
   {
     asio_handler_alloc_helpers::deallocate(
         pointer, size, this_handler->handler_);
   }
 
   template <typename AsyncReadStream,
-      typename DynamicBuffer, typename ReadHandler>
+      typename DynamicBuffer_v1, typename ReadHandler>
   inline bool asio_handler_is_continuation(
-      read_until_delim_string_op<AsyncReadStream,
-        DynamicBuffer, ReadHandler>* this_handler)
+      read_until_delim_string_op_v1<AsyncReadStream,
+        DynamicBuffer_v1, ReadHandler>* this_handler)
   {
     return this_handler->start_ == 0 ? true
       : asio_handler_cont_helpers::is_continuation(
@@ -832,58 +1199,79 @@ namespace detail
   }
 
   template <typename Function, typename AsyncReadStream,
-      typename DynamicBuffer, typename ReadHandler>
+      typename DynamicBuffer_v1, typename ReadHandler>
   inline void asio_handler_invoke(Function& function,
-      read_until_delim_string_op<AsyncReadStream,
-        DynamicBuffer, ReadHandler>* this_handler)
+      read_until_delim_string_op_v1<AsyncReadStream,
+        DynamicBuffer_v1, ReadHandler>* this_handler)
   {
     asio_handler_invoke_helpers::invoke(
         function, this_handler->handler_);
   }
 
   template <typename Function, typename AsyncReadStream,
-      typename DynamicBuffer, typename ReadHandler>
+      typename DynamicBuffer_v1, typename ReadHandler>
   inline void asio_handler_invoke(const Function& function,
-      read_until_delim_string_op<AsyncReadStream,
-        DynamicBuffer, ReadHandler>* this_handler)
+      read_until_delim_string_op_v1<AsyncReadStream,
+        DynamicBuffer_v1, ReadHandler>* this_handler)
   {
     asio_handler_invoke_helpers::invoke(
         function, this_handler->handler_);
   }
+
+  struct initiate_async_read_until_delim_string_v1
+  {
+    template <typename ReadHandler, typename AsyncReadStream,
+        typename DynamicBuffer_v1>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        AsyncReadStream* s, ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+        const std::string& delim) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      non_const_lvalue<ReadHandler> handler2(handler);
+      read_until_delim_string_op_v1<AsyncReadStream,
+        typename decay<DynamicBuffer_v1>::type,
+          typename decay<ReadHandler>::type>(
+            *s, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+            delim, handler2.value)(asio::error_code(), 0, 1);
+    }
+  };
 } // namespace detail
 
 #if !defined(GENERATING_DOCUMENTATION)
 
-template <typename AsyncReadStream, typename DynamicBuffer,
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
     typename ReadHandler, typename Allocator>
 struct associated_allocator<
-    detail::read_until_delim_string_op<AsyncReadStream,
-      DynamicBuffer, ReadHandler>,
+    detail::read_until_delim_string_op_v1<AsyncReadStream,
+      DynamicBuffer_v1, ReadHandler>,
     Allocator>
 {
   typedef typename associated_allocator<ReadHandler, Allocator>::type type;
 
   static type get(
-      const detail::read_until_delim_string_op<AsyncReadStream,
-        DynamicBuffer, ReadHandler>& h,
+      const detail::read_until_delim_string_op_v1<AsyncReadStream,
+        DynamicBuffer_v1, ReadHandler>& h,
       const Allocator& a = Allocator()) ASIO_NOEXCEPT
   {
     return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a);
   }
 };
 
-template <typename AsyncReadStream, typename DynamicBuffer,
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
     typename ReadHandler, typename Executor>
 struct associated_executor<
-    detail::read_until_delim_string_op<AsyncReadStream,
-      DynamicBuffer, ReadHandler>,
+    detail::read_until_delim_string_op_v1<AsyncReadStream,
+      DynamicBuffer_v1, ReadHandler>,
     Executor>
 {
   typedef typename associated_executor<ReadHandler, Executor>::type type;
 
   static type get(
-      const detail::read_until_delim_string_op<AsyncReadStream,
-        DynamicBuffer, ReadHandler>& h,
+      const detail::read_until_delim_string_op_v1<AsyncReadStream,
+        DynamicBuffer_v1, ReadHandler>& h,
       const Executor& ex = Executor()) ASIO_NOEXCEPT
   {
     return associated_executor<ReadHandler, Executor>::get(h.handler_, ex);
@@ -893,30 +1281,23 @@ struct associated_executor<
 #endif // !defined(GENERATING_DOCUMENTATION)
 
 template <typename AsyncReadStream,
-    typename DynamicBuffer, typename ReadHandler>
+    typename DynamicBuffer_v1, typename ReadHandler>
 ASIO_INITFN_RESULT_TYPE(ReadHandler,
     void (asio::error_code, std::size_t))
 async_read_until(AsyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     ASIO_STRING_VIEW_PARAM delim,
-    ASIO_MOVE_ARG(ReadHandler) handler)
+    ASIO_MOVE_ARG(ReadHandler) handler,
+    typename enable_if<
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+    >::type*)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a ReadHandler.
-  ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-  async_completion<ReadHandler,
-    void (asio::error_code, std::size_t)> init(handler);
-
-  detail::read_until_delim_string_op<AsyncReadStream,
-    typename decay<DynamicBuffer>::type,
-      ASIO_HANDLER_TYPE(ReadHandler,
-        void (asio::error_code, std::size_t))>(
-          s, ASIO_MOVE_CAST(DynamicBuffer)(buffers),
-            static_cast<std::string>(delim),
-              init.completion_handler)(asio::error_code(), 0, 1);
-
-  return init.result.get();
+  return async_initiate<ReadHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_read_until_delim_string_v1(),
+      handler, &s, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+      static_cast<std::string>(delim));
 }
 
 #if !defined(ASIO_NO_EXTENSIONS)
@@ -924,13 +1305,13 @@ async_read_until(AsyncReadStream& s,
 
 namespace detail
 {
-  template <typename AsyncReadStream, typename DynamicBuffer,
+  template <typename AsyncReadStream, typename DynamicBuffer_v1,
       typename RegEx, typename ReadHandler>
-  class read_until_expr_op
+  class read_until_expr_op_v1
   {
   public:
     template <typename BufferSequence>
-    read_until_expr_op(AsyncReadStream& stream,
+    read_until_expr_op_v1(AsyncReadStream& stream,
         ASIO_MOVE_ARG(BufferSequence) buffers,
         const boost::regex& expr, ReadHandler& handler)
       : stream_(stream),
@@ -943,7 +1324,7 @@ namespace detail
     }
 
 #if defined(ASIO_HAS_MOVE)
-    read_until_expr_op(const read_until_expr_op& other)
+    read_until_expr_op_v1(const read_until_expr_op_v1& other)
       : stream_(other.stream_),
         buffers_(other.buffers_),
         expr_(other.expr_),
@@ -953,9 +1334,9 @@ namespace detail
     {
     }
 
-    read_until_expr_op(read_until_expr_op&& other)
+    read_until_expr_op_v1(read_until_expr_op_v1&& other)
       : stream_(other.stream_),
-        buffers_(ASIO_MOVE_CAST(DynamicBuffer)(other.buffers_)),
+        buffers_(ASIO_MOVE_CAST(DynamicBuffer_v1)(other.buffers_)),
         expr_(other.expr_),
         start_(other.start_),
         search_position_(other.search_position_),
@@ -976,7 +1357,7 @@ namespace detail
         {
           {
             // Determine the range of the data to be searched.
-            typedef typename DynamicBuffer::const_buffers_type
+            typedef typename DynamicBuffer_v1::const_buffers_type
               buffers_type;
             typedef buffers_iterator<buffers_type> iterator;
             buffers_type data_buffers = buffers_.data();
@@ -1031,9 +1412,9 @@ namespace detail
           if (!start && bytes_to_read == 0)
             break;
 
-          // Start a new asynchronous read operation to obtain more data.
+          // Start a new asynchronous read op_v1eration to obtain more data.
           stream_.async_read_some(buffers_.prepare(bytes_to_read),
-              ASIO_MOVE_CAST(read_until_expr_op)(*this));
+              ASIO_MOVE_CAST(read_until_expr_op_v1)(*this));
           return; default:
           buffers_.commit(bytes_transferred);
           if (ec || bytes_transferred == 0)
@@ -1054,38 +1435,38 @@ namespace detail
 
   //private:
     AsyncReadStream& stream_;
-    DynamicBuffer buffers_;
+    DynamicBuffer_v1 buffers_;
     RegEx expr_;
     int start_;
     std::size_t search_position_;
     ReadHandler handler_;
   };
 
-  template <typename AsyncReadStream, typename DynamicBuffer,
+  template <typename AsyncReadStream, typename DynamicBuffer_v1,
       typename RegEx, typename ReadHandler>
   inline void* asio_handler_allocate(std::size_t size,
-      read_until_expr_op<AsyncReadStream,
-        DynamicBuffer, RegEx, ReadHandler>* this_handler)
+      read_until_expr_op_v1<AsyncReadStream,
+        DynamicBuffer_v1, RegEx, ReadHandler>* this_handler)
   {
     return asio_handler_alloc_helpers::allocate(
         size, this_handler->handler_);
   }
 
-  template <typename AsyncReadStream, typename DynamicBuffer,
+  template <typename AsyncReadStream, typename DynamicBuffer_v1,
       typename RegEx, typename ReadHandler>
   inline void asio_handler_deallocate(void* pointer, std::size_t size,
-      read_until_expr_op<AsyncReadStream,
-        DynamicBuffer, RegEx, ReadHandler>* this_handler)
+      read_until_expr_op_v1<AsyncReadStream,
+        DynamicBuffer_v1, RegEx, ReadHandler>* this_handler)
   {
     asio_handler_alloc_helpers::deallocate(
         pointer, size, this_handler->handler_);
   }
 
-  template <typename AsyncReadStream, typename DynamicBuffer,
+  template <typename AsyncReadStream, typename DynamicBuffer_v1,
       typename RegEx, typename ReadHandler>
   inline bool asio_handler_is_continuation(
-      read_until_expr_op<AsyncReadStream,
-        DynamicBuffer, RegEx, ReadHandler>* this_handler)
+      read_until_expr_op_v1<AsyncReadStream,
+        DynamicBuffer_v1, RegEx, ReadHandler>* this_handler)
   {
     return this_handler->start_ == 0 ? true
       : asio_handler_cont_helpers::is_continuation(
@@ -1093,58 +1474,79 @@ namespace detail
   }
 
   template <typename Function, typename AsyncReadStream,
-      typename DynamicBuffer, typename RegEx, typename ReadHandler>
+      typename DynamicBuffer_v1, typename RegEx, typename ReadHandler>
   inline void asio_handler_invoke(Function& function,
-      read_until_expr_op<AsyncReadStream,
-        DynamicBuffer, RegEx, ReadHandler>* this_handler)
+      read_until_expr_op_v1<AsyncReadStream,
+        DynamicBuffer_v1, RegEx, ReadHandler>* this_handler)
   {
     asio_handler_invoke_helpers::invoke(
         function, this_handler->handler_);
   }
 
   template <typename Function, typename AsyncReadStream,
-      typename DynamicBuffer, typename RegEx, typename ReadHandler>
+      typename DynamicBuffer_v1, typename RegEx, typename ReadHandler>
   inline void asio_handler_invoke(const Function& function,
-      read_until_expr_op<AsyncReadStream,
-        DynamicBuffer, RegEx, ReadHandler>* this_handler)
+      read_until_expr_op_v1<AsyncReadStream,
+        DynamicBuffer_v1, RegEx, ReadHandler>* this_handler)
   {
     asio_handler_invoke_helpers::invoke(
         function, this_handler->handler_);
   }
+
+  struct initiate_async_read_until_expr_v1
+  {
+    template <typename ReadHandler, typename AsyncReadStream,
+        typename DynamicBuffer_v1, typename RegEx>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        AsyncReadStream* s, ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+        const RegEx& expr) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      non_const_lvalue<ReadHandler> handler2(handler);
+      read_until_expr_op_v1<AsyncReadStream,
+        typename decay<DynamicBuffer_v1>::type,
+          RegEx, typename decay<ReadHandler>::type>(
+            *s, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+            expr, handler2.value)(asio::error_code(), 0, 1);
+    }
+  };
 } // namespace detail
 
 #if !defined(GENERATING_DOCUMENTATION)
 
-template <typename AsyncReadStream, typename DynamicBuffer,
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
     typename RegEx, typename ReadHandler, typename Allocator>
 struct associated_allocator<
-    detail::read_until_expr_op<AsyncReadStream,
-      DynamicBuffer, RegEx, ReadHandler>,
+    detail::read_until_expr_op_v1<AsyncReadStream,
+      DynamicBuffer_v1, RegEx, ReadHandler>,
     Allocator>
 {
   typedef typename associated_allocator<ReadHandler, Allocator>::type type;
 
   static type get(
-      const detail::read_until_expr_op<AsyncReadStream,
-        DynamicBuffer, RegEx, ReadHandler>& h,
+      const detail::read_until_expr_op_v1<AsyncReadStream,
+        DynamicBuffer_v1, RegEx, ReadHandler>& h,
       const Allocator& a = Allocator()) ASIO_NOEXCEPT
   {
     return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a);
   }
 };
 
-template <typename AsyncReadStream, typename DynamicBuffer,
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
     typename RegEx, typename ReadHandler, typename Executor>
 struct associated_executor<
-    detail::read_until_expr_op<AsyncReadStream,
-      DynamicBuffer, RegEx, ReadHandler>,
+    detail::read_until_expr_op_v1<AsyncReadStream,
+      DynamicBuffer_v1, RegEx, ReadHandler>,
     Executor>
 {
   typedef typename associated_executor<ReadHandler, Executor>::type type;
 
   static type get(
-      const detail::read_until_expr_op<AsyncReadStream,
-        DynamicBuffer, RegEx, ReadHandler>& h,
+      const detail::read_until_expr_op_v1<AsyncReadStream,
+        DynamicBuffer_v1, RegEx, ReadHandler>& h,
       const Executor& ex = Executor()) ASIO_NOEXCEPT
   {
     return associated_executor<ReadHandler, Executor>::get(h.handler_, ex);
@@ -1154,42 +1556,35 @@ struct associated_executor<
 #endif // !defined(GENERATING_DOCUMENTATION)
 
 template <typename AsyncReadStream,
-    typename DynamicBuffer, typename ReadHandler>
+    typename DynamicBuffer_v1, typename ReadHandler>
 ASIO_INITFN_RESULT_TYPE(ReadHandler,
     void (asio::error_code, std::size_t))
 async_read_until(AsyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     const boost::regex& expr,
-    ASIO_MOVE_ARG(ReadHandler) handler)
+    ASIO_MOVE_ARG(ReadHandler) handler,
+    typename enable_if<
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+    >::type*)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a ReadHandler.
-  ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-  async_completion<ReadHandler,
-    void (asio::error_code, std::size_t)> init(handler);
-
-  detail::read_until_expr_op<AsyncReadStream,
-    typename decay<DynamicBuffer>::type,
-      boost::regex, ASIO_HANDLER_TYPE(ReadHandler,
-        void (asio::error_code, std::size_t))>(
-          s, ASIO_MOVE_CAST(DynamicBuffer)(buffers),
-            expr, init.completion_handler)(asio::error_code(), 0, 1);
-
-  return init.result.get();
+  return async_initiate<ReadHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_read_until_expr_v1(), handler,
+      &s, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers), expr);
 }
 
 #endif // defined(ASIO_HAS_BOOST_REGEX)
 
 namespace detail
 {
-  template <typename AsyncReadStream, typename DynamicBuffer,
+  template <typename AsyncReadStream, typename DynamicBuffer_v1,
       typename MatchCondition, typename ReadHandler>
-  class read_until_match_op
+  class read_until_match_op_v1
   {
   public:
     template <typename BufferSequence>
-    read_until_match_op(AsyncReadStream& stream,
+    read_until_match_op_v1(AsyncReadStream& stream,
         ASIO_MOVE_ARG(BufferSequence) buffers,
         MatchCondition match_condition, ReadHandler& handler)
       : stream_(stream),
@@ -1202,7 +1597,7 @@ namespace detail
     }
 
 #if defined(ASIO_HAS_MOVE)
-    read_until_match_op(const read_until_match_op& other)
+    read_until_match_op_v1(const read_until_match_op_v1& other)
       : stream_(other.stream_),
         buffers_(other.buffers_),
         match_condition_(other.match_condition_),
@@ -1212,9 +1607,9 @@ namespace detail
     {
     }
 
-    read_until_match_op(read_until_match_op&& other)
+    read_until_match_op_v1(read_until_match_op_v1&& other)
       : stream_(other.stream_),
-        buffers_(ASIO_MOVE_CAST(DynamicBuffer)(other.buffers_)),
+        buffers_(ASIO_MOVE_CAST(DynamicBuffer_v1)(other.buffers_)),
         match_condition_(other.match_condition_),
         start_(other.start_),
         search_position_(other.search_position_),
@@ -1235,7 +1630,7 @@ namespace detail
         {
           {
             // Determine the range of the data to be searched.
-            typedef typename DynamicBuffer::const_buffers_type
+            typedef typename DynamicBuffer_v1::const_buffers_type
               buffers_type;
             typedef buffers_iterator<buffers_type> iterator;
             buffers_type data_buffers = buffers_.data();
@@ -1286,9 +1681,9 @@ namespace detail
           if (!start && bytes_to_read == 0)
             break;
 
-          // Start a new asynchronous read operation to obtain more data.
+          // Start a new asynchronous read op_v1eration to obtain more data.
           stream_.async_read_some(buffers_.prepare(bytes_to_read),
-              ASIO_MOVE_CAST(read_until_match_op)(*this));
+              ASIO_MOVE_CAST(read_until_match_op_v1)(*this));
           return; default:
           buffers_.commit(bytes_transferred);
           if (ec || bytes_transferred == 0)
@@ -1309,37 +1704,37 @@ namespace detail
 
   //private:
     AsyncReadStream& stream_;
-    DynamicBuffer buffers_;
+    DynamicBuffer_v1 buffers_;
     MatchCondition match_condition_;
     int start_;
     std::size_t search_position_;
     ReadHandler handler_;
   };
 
-  template <typename AsyncReadStream, typename DynamicBuffer,
+  template <typename AsyncReadStream, typename DynamicBuffer_v1,
       typename MatchCondition, typename ReadHandler>
   inline void* asio_handler_allocate(std::size_t size,
-      read_until_match_op<AsyncReadStream, DynamicBuffer,
+      read_until_match_op_v1<AsyncReadStream, DynamicBuffer_v1,
         MatchCondition, ReadHandler>* this_handler)
   {
     return asio_handler_alloc_helpers::allocate(
         size, this_handler->handler_);
   }
 
-  template <typename AsyncReadStream, typename DynamicBuffer,
+  template <typename AsyncReadStream, typename DynamicBuffer_v1,
       typename MatchCondition, typename ReadHandler>
   inline void asio_handler_deallocate(void* pointer, std::size_t size,
-      read_until_match_op<AsyncReadStream, DynamicBuffer,
+      read_until_match_op_v1<AsyncReadStream, DynamicBuffer_v1,
         MatchCondition, ReadHandler>* this_handler)
   {
     asio_handler_alloc_helpers::deallocate(
         pointer, size, this_handler->handler_);
   }
 
-  template <typename AsyncReadStream, typename DynamicBuffer,
+  template <typename AsyncReadStream, typename DynamicBuffer_v1,
       typename MatchCondition, typename ReadHandler>
   inline bool asio_handler_is_continuation(
-      read_until_match_op<AsyncReadStream, DynamicBuffer,
+      read_until_match_op_v1<AsyncReadStream, DynamicBuffer_v1,
         MatchCondition, ReadHandler>* this_handler)
   {
     return this_handler->start_ == 0 ? true
@@ -1348,10 +1743,10 @@ namespace detail
   }
 
   template <typename Function, typename AsyncReadStream,
-      typename DynamicBuffer, typename MatchCondition,
+      typename DynamicBuffer_v1, typename MatchCondition,
       typename ReadHandler>
   inline void asio_handler_invoke(Function& function,
-      read_until_match_op<AsyncReadStream, DynamicBuffer,
+      read_until_match_op_v1<AsyncReadStream, DynamicBuffer_v1,
         MatchCondition, ReadHandler>* this_handler)
   {
     asio_handler_invoke_helpers::invoke(
@@ -1359,49 +1754,70 @@ namespace detail
   }
 
   template <typename Function, typename AsyncReadStream,
-      typename DynamicBuffer, typename MatchCondition,
+      typename DynamicBuffer_v1, typename MatchCondition,
       typename ReadHandler>
   inline void asio_handler_invoke(const Function& function,
-      read_until_match_op<AsyncReadStream, DynamicBuffer,
+      read_until_match_op_v1<AsyncReadStream, DynamicBuffer_v1,
       MatchCondition, ReadHandler>* this_handler)
   {
     asio_handler_invoke_helpers::invoke(
         function, this_handler->handler_);
   }
+
+  struct initiate_async_read_until_match_v1
+  {
+    template <typename ReadHandler, typename AsyncReadStream,
+        typename DynamicBuffer_v1, typename MatchCondition>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        AsyncReadStream* s, ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+        MatchCondition match_condition) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      non_const_lvalue<ReadHandler> handler2(handler);
+      read_until_match_op_v1<AsyncReadStream,
+        typename decay<DynamicBuffer_v1>::type,
+          MatchCondition, typename decay<ReadHandler>::type>(
+            *s, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+            match_condition, handler2.value)(asio::error_code(), 0, 1);
+    }
+  };
 } // namespace detail
 
 #if !defined(GENERATING_DOCUMENTATION)
 
-template <typename AsyncReadStream, typename DynamicBuffer,
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
     typename MatchCondition, typename ReadHandler, typename Allocator>
 struct associated_allocator<
-    detail::read_until_match_op<AsyncReadStream,
-      DynamicBuffer, MatchCondition, ReadHandler>,
+    detail::read_until_match_op_v1<AsyncReadStream,
+      DynamicBuffer_v1, MatchCondition, ReadHandler>,
     Allocator>
 {
   typedef typename associated_allocator<ReadHandler, Allocator>::type type;
 
   static type get(
-      const detail::read_until_match_op<AsyncReadStream,
-        DynamicBuffer, MatchCondition, ReadHandler>& h,
+      const detail::read_until_match_op_v1<AsyncReadStream,
+        DynamicBuffer_v1, MatchCondition, ReadHandler>& h,
       const Allocator& a = Allocator()) ASIO_NOEXCEPT
   {
     return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a);
   }
 };
 
-template <typename AsyncReadStream, typename DynamicBuffer,
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
     typename MatchCondition, typename ReadHandler, typename Executor>
 struct associated_executor<
-    detail::read_until_match_op<AsyncReadStream,
-      DynamicBuffer, MatchCondition, ReadHandler>,
+    detail::read_until_match_op_v1<AsyncReadStream,
+      DynamicBuffer_v1, MatchCondition, ReadHandler>,
     Executor>
 {
   typedef typename associated_executor<ReadHandler, Executor>::type type;
 
   static type get(
-      const detail::read_until_match_op<AsyncReadStream,
-        DynamicBuffer, MatchCondition, ReadHandler>& h,
+      const detail::read_until_match_op_v1<AsyncReadStream,
+        DynamicBuffer_v1, MatchCondition, ReadHandler>& h,
       const Executor& ex = Executor()) ASIO_NOEXCEPT
   {
     return associated_executor<ReadHandler, Executor>::get(h.handler_, ex);
@@ -1410,31 +1826,23 @@ struct associated_executor<
 
 #endif // !defined(GENERATING_DOCUMENTATION)
 
-template <typename AsyncReadStream, typename DynamicBuffer,
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
     typename MatchCondition, typename ReadHandler>
 ASIO_INITFN_RESULT_TYPE(ReadHandler,
     void (asio::error_code, std::size_t))
 async_read_until(AsyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     MatchCondition match_condition, ASIO_MOVE_ARG(ReadHandler) handler,
-    typename enable_if<is_match_condition<MatchCondition>::value>::type*)
+    typename enable_if<
+      is_match_condition<MatchCondition>::value
+        && is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+    >::type*)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a ReadHandler.
-  ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-  async_completion<ReadHandler,
-    void (asio::error_code, std::size_t)> init(handler);
-
-  detail::read_until_match_op<AsyncReadStream,
-    typename decay<DynamicBuffer>::type,
-      MatchCondition, ASIO_HANDLER_TYPE(ReadHandler,
-        void (asio::error_code, std::size_t))>(
-          s, ASIO_MOVE_CAST(DynamicBuffer)(buffers),
-            match_condition, init.completion_handler)(
-              asio::error_code(), 0, 1);
-
-  return init.result.get();
+  return async_initiate<ReadHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_read_until_match_v1(), handler,
+      &s, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers), match_condition);
 }
 
 #if !defined(ASIO_NO_IOSTREAM)
@@ -1491,6 +1899,1102 @@ async_read_until(AsyncReadStream& s,
 }
 
 #endif // !defined(ASIO_NO_IOSTREAM)
+#endif // !defined(ASIO_NO_EXTENSIONS)
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
+namespace detail
+{
+  template <typename AsyncReadStream,
+      typename DynamicBuffer_v2, typename ReadHandler>
+  class read_until_delim_op_v2
+  {
+  public:
+    template <typename BufferSequence>
+    read_until_delim_op_v2(AsyncReadStream& stream,
+        ASIO_MOVE_ARG(BufferSequence) buffers,
+        char delim, ReadHandler& handler)
+      : stream_(stream),
+        buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)),
+        delim_(delim),
+        start_(0),
+        search_position_(0),
+        bytes_to_read_(0),
+        handler_(ASIO_MOVE_CAST(ReadHandler)(handler))
+    {
+    }
+
+#if defined(ASIO_HAS_MOVE)
+    read_until_delim_op_v2(const read_until_delim_op_v2& other)
+      : stream_(other.stream_),
+        buffers_(other.buffers_),
+        delim_(other.delim_),
+        start_(other.start_),
+        search_position_(other.search_position_),
+        bytes_to_read_(other.bytes_to_read_),
+        handler_(other.handler_)
+    {
+    }
+
+    read_until_delim_op_v2(read_until_delim_op_v2&& other)
+      : stream_(other.stream_),
+        buffers_(ASIO_MOVE_CAST(DynamicBuffer_v2)(other.buffers_)),
+        delim_(other.delim_),
+        start_(other.start_),
+        search_position_(other.search_position_),
+        bytes_to_read_(other.bytes_to_read_),
+        handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_))
+    {
+    }
+#endif // defined(ASIO_HAS_MOVE)
+
+    void operator()(const asio::error_code& ec,
+        std::size_t bytes_transferred, int start = 0)
+    {
+      const std::size_t not_found = (std::numeric_limits<std::size_t>::max)();
+      std::size_t pos;
+      switch (start_ = start)
+      {
+      case 1:
+        for (;;)
+        {
+          {
+            // Determine the range of the data to be searched.
+            typedef typename DynamicBuffer_v2::const_buffers_type
+              buffers_type;
+            typedef buffers_iterator<buffers_type> iterator;
+            buffers_type data_buffers =
+              const_cast<const DynamicBuffer_v2&>(buffers_).data(
+                  0, buffers_.size());
+            iterator begin = iterator::begin(data_buffers);
+            iterator start_pos = begin + search_position_;
+            iterator end = iterator::end(data_buffers);
+
+            // Look for a match.
+            iterator iter = std::find(start_pos, end, delim_);
+            if (iter != end)
+            {
+              // Found a match. We're done.
+              search_position_ = iter - begin + 1;
+              bytes_to_read_ = 0;
+            }
+
+            // No match yet. Check if buffer is full.
+            else if (buffers_.size() == buffers_.max_size())
+            {
+              search_position_ = not_found;
+              bytes_to_read_ = 0;
+            }
+
+            // Need to read some more data.
+            else
+            {
+              // Next search can start with the new data.
+              search_position_ = end - begin;
+              bytes_to_read_ = std::min<std::size_t>(
+                    std::max<std::size_t>(512,
+                      buffers_.capacity() - buffers_.size()),
+                    std::min<std::size_t>(65536,
+                      buffers_.max_size() - buffers_.size()));
+            }
+          }
+
+          // Check if we're done.
+          if (!start && bytes_to_read_ == 0)
+            break;
+
+          // Start a new asynchronous read op_v2eration to obtain more data.
+          pos = buffers_.size();
+          buffers_.grow(bytes_to_read_);
+          stream_.async_read_some(buffers_.data(pos, bytes_to_read_),
+              ASIO_MOVE_CAST(read_until_delim_op_v2)(*this));
+          return; default:
+          buffers_.shrink(bytes_to_read_ - bytes_transferred);
+          if (ec || bytes_transferred == 0)
+            break;
+        }
+
+        const asio::error_code result_ec =
+          (search_position_ == not_found)
+          ? error::not_found : ec;
+
+        const std::size_t result_n =
+          (ec || search_position_ == not_found)
+          ? 0 : search_position_;
+
+        handler_(result_ec, result_n);
+      }
+    }
+
+  //private:
+    AsyncReadStream& stream_;
+    DynamicBuffer_v2 buffers_;
+    char delim_;
+    int start_;
+    std::size_t search_position_;
+    std::size_t bytes_to_read_;
+    ReadHandler handler_;
+  };
+
+  template <typename AsyncReadStream,
+      typename DynamicBuffer_v2, typename ReadHandler>
+  inline void* asio_handler_allocate(std::size_t size,
+      read_until_delim_op_v2<AsyncReadStream,
+        DynamicBuffer_v2, ReadHandler>* this_handler)
+  {
+    return asio_handler_alloc_helpers::allocate(
+        size, this_handler->handler_);
+  }
+
+  template <typename AsyncReadStream,
+      typename DynamicBuffer_v2, typename ReadHandler>
+  inline void asio_handler_deallocate(void* pointer, std::size_t size,
+      read_until_delim_op_v2<AsyncReadStream,
+        DynamicBuffer_v2, ReadHandler>* this_handler)
+  {
+    asio_handler_alloc_helpers::deallocate(
+        pointer, size, this_handler->handler_);
+  }
+
+  template <typename AsyncReadStream,
+      typename DynamicBuffer_v2, typename ReadHandler>
+  inline bool asio_handler_is_continuation(
+      read_until_delim_op_v2<AsyncReadStream,
+        DynamicBuffer_v2, ReadHandler>* this_handler)
+  {
+    return this_handler->start_ == 0 ? true
+      : asio_handler_cont_helpers::is_continuation(
+          this_handler->handler_);
+  }
+
+  template <typename Function, typename AsyncReadStream,
+      typename DynamicBuffer_v2, typename ReadHandler>
+  inline void asio_handler_invoke(Function& function,
+      read_until_delim_op_v2<AsyncReadStream,
+        DynamicBuffer_v2, ReadHandler>* this_handler)
+  {
+    asio_handler_invoke_helpers::invoke(
+        function, this_handler->handler_);
+  }
+
+  template <typename Function, typename AsyncReadStream,
+      typename DynamicBuffer_v2, typename ReadHandler>
+  inline void asio_handler_invoke(const Function& function,
+      read_until_delim_op_v2<AsyncReadStream,
+        DynamicBuffer_v2, ReadHandler>* this_handler)
+  {
+    asio_handler_invoke_helpers::invoke(
+        function, this_handler->handler_);
+  }
+
+  struct initiate_async_read_until_delim_v2
+  {
+    template <typename ReadHandler, typename AsyncReadStream,
+        typename DynamicBuffer_v2>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        AsyncReadStream* s, ASIO_MOVE_ARG(DynamicBuffer_v2) buffers,
+        char delim) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      non_const_lvalue<ReadHandler> handler2(handler);
+      read_until_delim_op_v2<AsyncReadStream,
+        typename decay<DynamicBuffer_v2>::type,
+          typename decay<ReadHandler>::type>(
+            *s, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+            delim, handler2.value)(asio::error_code(), 0, 1);
+    }
+  };
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+    typename ReadHandler, typename Allocator>
+struct associated_allocator<
+    detail::read_until_delim_op_v2<AsyncReadStream,
+      DynamicBuffer_v2, ReadHandler>,
+    Allocator>
+{
+  typedef typename associated_allocator<ReadHandler, Allocator>::type type;
+
+  static type get(
+      const detail::read_until_delim_op_v2<AsyncReadStream,
+        DynamicBuffer_v2, ReadHandler>& h,
+      const Allocator& a = Allocator()) ASIO_NOEXCEPT
+  {
+    return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a);
+  }
+};
+
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+    typename ReadHandler, typename Executor>
+struct associated_executor<
+    detail::read_until_delim_op_v2<AsyncReadStream,
+      DynamicBuffer_v2, ReadHandler>,
+    Executor>
+{
+  typedef typename associated_executor<ReadHandler, Executor>::type type;
+
+  static type get(
+      const detail::read_until_delim_op_v2<AsyncReadStream,
+        DynamicBuffer_v2, ReadHandler>& h,
+      const Executor& ex = Executor()) ASIO_NOEXCEPT
+  {
+    return associated_executor<ReadHandler, Executor>::get(h.handler_, ex);
+  }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream,
+    typename DynamicBuffer_v2, typename ReadHandler>
+ASIO_INITFN_RESULT_TYPE(ReadHandler,
+    void (asio::error_code, std::size_t))
+async_read_until(AsyncReadStream& s, DynamicBuffer_v2 buffers,
+    char delim, ASIO_MOVE_ARG(ReadHandler) handler,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type*)
+{
+  return async_initiate<ReadHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_read_until_delim_v2(), handler,
+      &s, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers), delim);
+}
+
+namespace detail
+{
+  template <typename AsyncReadStream,
+      typename DynamicBuffer_v2, typename ReadHandler>
+  class read_until_delim_string_op_v2
+  {
+  public:
+    template <typename BufferSequence>
+    read_until_delim_string_op_v2(AsyncReadStream& stream,
+        ASIO_MOVE_ARG(BufferSequence) buffers,
+        const std::string& delim, ReadHandler& handler)
+      : stream_(stream),
+        buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)),
+        delim_(delim),
+        start_(0),
+        search_position_(0),
+        bytes_to_read_(0),
+        handler_(ASIO_MOVE_CAST(ReadHandler)(handler))
+    {
+    }
+
+#if defined(ASIO_HAS_MOVE)
+    read_until_delim_string_op_v2(const read_until_delim_string_op_v2& other)
+      : stream_(other.stream_),
+        buffers_(other.buffers_),
+        delim_(other.delim_),
+        start_(other.start_),
+        search_position_(other.search_position_),
+        bytes_to_read_(other.bytes_to_read_),
+        handler_(other.handler_)
+    {
+    }
+
+    read_until_delim_string_op_v2(read_until_delim_string_op_v2&& other)
+      : stream_(other.stream_),
+        buffers_(ASIO_MOVE_CAST(DynamicBuffer_v2)(other.buffers_)),
+        delim_(ASIO_MOVE_CAST(std::string)(other.delim_)),
+        start_(other.start_),
+        search_position_(other.search_position_),
+        bytes_to_read_(other.bytes_to_read_),
+        handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_))
+    {
+    }
+#endif // defined(ASIO_HAS_MOVE)
+
+    void operator()(const asio::error_code& ec,
+        std::size_t bytes_transferred, int start = 0)
+    {
+      const std::size_t not_found = (std::numeric_limits<std::size_t>::max)();
+      std::size_t pos;
+      switch (start_ = start)
+      {
+      case 1:
+        for (;;)
+        {
+          {
+            // Determine the range of the data to be searched.
+            typedef typename DynamicBuffer_v2::const_buffers_type
+              buffers_type;
+            typedef buffers_iterator<buffers_type> iterator;
+            buffers_type data_buffers =
+              const_cast<const DynamicBuffer_v2&>(buffers_).data(
+                  0, buffers_.size());
+            iterator begin = iterator::begin(data_buffers);
+            iterator start_pos = begin + search_position_;
+            iterator end = iterator::end(data_buffers);
+
+            // Look for a match.
+            std::pair<iterator, bool> result = detail::partial_search(
+                start_pos, end, delim_.begin(), delim_.end());
+            if (result.first != end && result.second)
+            {
+              // Full match. We're done.
+              search_position_ = result.first - begin + delim_.length();
+              bytes_to_read_ = 0;
+            }
+
+            // No match yet. Check if buffer is full.
+            else if (buffers_.size() == buffers_.max_size())
+            {
+              search_position_ = not_found;
+              bytes_to_read_ = 0;
+            }
+
+            // Need to read some more data.
+            else
+            {
+              if (result.first != end)
+              {
+                // Partial match. Next search needs to start from beginning of
+                // match.
+                search_position_ = result.first - begin;
+              }
+              else
+              {
+                // Next search can start with the new data.
+                search_position_ = end - begin;
+              }
+
+              bytes_to_read_ = std::min<std::size_t>(
+                    std::max<std::size_t>(512,
+                      buffers_.capacity() - buffers_.size()),
+                    std::min<std::size_t>(65536,
+                      buffers_.max_size() - buffers_.size()));
+            }
+          }
+
+          // Check if we're done.
+          if (!start && bytes_to_read_ == 0)
+            break;
+
+          // Start a new asynchronous read op_v2eration to obtain more data.
+          pos = buffers_.size();
+          buffers_.grow(bytes_to_read_);
+          stream_.async_read_some(buffers_.data(pos, bytes_to_read_),
+              ASIO_MOVE_CAST(read_until_delim_string_op_v2)(*this));
+          return; default:
+          buffers_.shrink(bytes_to_read_ - bytes_transferred);
+          if (ec || bytes_transferred == 0)
+            break;
+        }
+
+        const asio::error_code result_ec =
+          (search_position_ == not_found)
+          ? error::not_found : ec;
+
+        const std::size_t result_n =
+          (ec || search_position_ == not_found)
+          ? 0 : search_position_;
+
+        handler_(result_ec, result_n);
+      }
+    }
+
+  //private:
+    AsyncReadStream& stream_;
+    DynamicBuffer_v2 buffers_;
+    std::string delim_;
+    int start_;
+    std::size_t search_position_;
+    std::size_t bytes_to_read_;
+    ReadHandler handler_;
+  };
+
+  template <typename AsyncReadStream,
+      typename DynamicBuffer_v2, typename ReadHandler>
+  inline void* asio_handler_allocate(std::size_t size,
+      read_until_delim_string_op_v2<AsyncReadStream,
+        DynamicBuffer_v2, ReadHandler>* this_handler)
+  {
+    return asio_handler_alloc_helpers::allocate(
+        size, this_handler->handler_);
+  }
+
+  template <typename AsyncReadStream,
+      typename DynamicBuffer_v2, typename ReadHandler>
+  inline void asio_handler_deallocate(void* pointer, std::size_t size,
+      read_until_delim_string_op_v2<AsyncReadStream,
+        DynamicBuffer_v2, ReadHandler>* this_handler)
+  {
+    asio_handler_alloc_helpers::deallocate(
+        pointer, size, this_handler->handler_);
+  }
+
+  template <typename AsyncReadStream,
+      typename DynamicBuffer_v2, typename ReadHandler>
+  inline bool asio_handler_is_continuation(
+      read_until_delim_string_op_v2<AsyncReadStream,
+        DynamicBuffer_v2, ReadHandler>* this_handler)
+  {
+    return this_handler->start_ == 0 ? true
+      : asio_handler_cont_helpers::is_continuation(
+          this_handler->handler_);
+  }
+
+  template <typename Function, typename AsyncReadStream,
+      typename DynamicBuffer_v2, typename ReadHandler>
+  inline void asio_handler_invoke(Function& function,
+      read_until_delim_string_op_v2<AsyncReadStream,
+        DynamicBuffer_v2, ReadHandler>* this_handler)
+  {
+    asio_handler_invoke_helpers::invoke(
+        function, this_handler->handler_);
+  }
+
+  template <typename Function, typename AsyncReadStream,
+      typename DynamicBuffer_v2, typename ReadHandler>
+  inline void asio_handler_invoke(const Function& function,
+      read_until_delim_string_op_v2<AsyncReadStream,
+        DynamicBuffer_v2, ReadHandler>* this_handler)
+  {
+    asio_handler_invoke_helpers::invoke(
+        function, this_handler->handler_);
+  }
+
+  struct initiate_async_read_until_delim_string_v2
+  {
+    template <typename ReadHandler, typename AsyncReadStream,
+        typename DynamicBuffer_v2>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        AsyncReadStream* s, ASIO_MOVE_ARG(DynamicBuffer_v2) buffers,
+        const std::string& delim) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      non_const_lvalue<ReadHandler> handler2(handler);
+      read_until_delim_string_op_v2<AsyncReadStream,
+        typename decay<DynamicBuffer_v2>::type,
+          typename decay<ReadHandler>::type>(
+            *s, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+            delim, handler2.value)(asio::error_code(), 0, 1);
+    }
+  };
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+    typename ReadHandler, typename Allocator>
+struct associated_allocator<
+    detail::read_until_delim_string_op_v2<AsyncReadStream,
+      DynamicBuffer_v2, ReadHandler>,
+    Allocator>
+{
+  typedef typename associated_allocator<ReadHandler, Allocator>::type type;
+
+  static type get(
+      const detail::read_until_delim_string_op_v2<AsyncReadStream,
+        DynamicBuffer_v2, ReadHandler>& h,
+      const Allocator& a = Allocator()) ASIO_NOEXCEPT
+  {
+    return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a);
+  }
+};
+
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+    typename ReadHandler, typename Executor>
+struct associated_executor<
+    detail::read_until_delim_string_op_v2<AsyncReadStream,
+      DynamicBuffer_v2, ReadHandler>,
+    Executor>
+{
+  typedef typename associated_executor<ReadHandler, Executor>::type type;
+
+  static type get(
+      const detail::read_until_delim_string_op_v2<AsyncReadStream,
+        DynamicBuffer_v2, ReadHandler>& h,
+      const Executor& ex = Executor()) ASIO_NOEXCEPT
+  {
+    return associated_executor<ReadHandler, Executor>::get(h.handler_, ex);
+  }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream,
+    typename DynamicBuffer_v2, typename ReadHandler>
+ASIO_INITFN_RESULT_TYPE(ReadHandler,
+    void (asio::error_code, std::size_t))
+async_read_until(AsyncReadStream& s,
+    DynamicBuffer_v2 buffers, ASIO_STRING_VIEW_PARAM delim,
+    ASIO_MOVE_ARG(ReadHandler) handler,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type*)
+{
+  return async_initiate<ReadHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_read_until_delim_string_v2(),
+      handler, &s, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+      static_cast<std::string>(delim));
+}
+
+#if !defined(ASIO_NO_EXTENSIONS)
+#if defined(ASIO_HAS_BOOST_REGEX)
+
+namespace detail
+{
+  template <typename AsyncReadStream, typename DynamicBuffer_v2,
+      typename RegEx, typename ReadHandler>
+  class read_until_expr_op_v2
+  {
+  public:
+    template <typename BufferSequence>
+    read_until_expr_op_v2(AsyncReadStream& stream,
+        ASIO_MOVE_ARG(BufferSequence) buffers,
+        const boost::regex& expr, ReadHandler& handler)
+      : stream_(stream),
+        buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)),
+        expr_(expr),
+        start_(0),
+        search_position_(0),
+        bytes_to_read_(0),
+        handler_(ASIO_MOVE_CAST(ReadHandler)(handler))
+    {
+    }
+
+#if defined(ASIO_HAS_MOVE)
+    read_until_expr_op_v2(const read_until_expr_op_v2& other)
+      : stream_(other.stream_),
+        buffers_(other.buffers_),
+        expr_(other.expr_),
+        start_(other.start_),
+        search_position_(other.search_position_),
+        bytes_to_read_(other.bytes_to_read_),
+        handler_(other.handler_)
+    {
+    }
+
+    read_until_expr_op_v2(read_until_expr_op_v2&& other)
+      : stream_(other.stream_),
+        buffers_(ASIO_MOVE_CAST(DynamicBuffer_v2)(other.buffers_)),
+        expr_(other.expr_),
+        start_(other.start_),
+        search_position_(other.search_position_),
+        bytes_to_read_(other.bytes_to_read_),
+        handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_))
+    {
+    }
+#endif // defined(ASIO_HAS_MOVE)
+
+    void operator()(const asio::error_code& ec,
+        std::size_t bytes_transferred, int start = 0)
+    {
+      const std::size_t not_found = (std::numeric_limits<std::size_t>::max)();
+      std::size_t pos;
+      switch (start_ = start)
+      {
+      case 1:
+        for (;;)
+        {
+          {
+            // Determine the range of the data to be searched.
+            typedef typename DynamicBuffer_v2::const_buffers_type
+              buffers_type;
+            typedef buffers_iterator<buffers_type> iterator;
+            buffers_type data_buffers =
+              const_cast<const DynamicBuffer_v2&>(buffers_).data(
+                  0, buffers_.size());
+            iterator begin = iterator::begin(data_buffers);
+            iterator start_pos = begin + search_position_;
+            iterator end = iterator::end(data_buffers);
+
+            // Look for a match.
+            boost::match_results<iterator,
+              typename std::vector<boost::sub_match<iterator> >::allocator_type>
+                match_results;
+            bool match = regex_search(start_pos, end, match_results, expr_,
+                boost::match_default | boost::match_partial);
+            if (match && match_results[0].matched)
+            {
+              // Full match. We're done.
+              search_position_ = match_results[0].second - begin;
+              bytes_to_read_ = 0;
+            }
+
+            // No match yet. Check if buffer is full.
+            else if (buffers_.size() == buffers_.max_size())
+            {
+              search_position_ = not_found;
+              bytes_to_read_ = 0;
+            }
+
+            // Need to read some more data.
+            else
+            {
+              if (match)
+              {
+                // Partial match. Next search needs to start from beginning of
+                // match.
+                search_position_ = match_results[0].first - begin;
+              }
+              else
+              {
+                // Next search can start with the new data.
+                search_position_ = end - begin;
+              }
+
+              bytes_to_read_ = std::min<std::size_t>(
+                    std::max<std::size_t>(512,
+                      buffers_.capacity() - buffers_.size()),
+                    std::min<std::size_t>(65536,
+                      buffers_.max_size() - buffers_.size()));
+            }
+          }
+
+          // Check if we're done.
+          if (!start && bytes_to_read_ == 0)
+            break;
+
+          // Start a new asynchronous read op_v2eration to obtain more data.
+          pos = buffers_.size();
+          buffers_.grow(bytes_to_read_);
+          stream_.async_read_some(buffers_.data(pos, bytes_to_read_),
+              ASIO_MOVE_CAST(read_until_expr_op_v2)(*this));
+          return; default:
+          buffers_.shrink(bytes_to_read_ - bytes_transferred);
+          if (ec || bytes_transferred == 0)
+            break;
+        }
+
+        const asio::error_code result_ec =
+          (search_position_ == not_found)
+          ? error::not_found : ec;
+
+        const std::size_t result_n =
+          (ec || search_position_ == not_found)
+          ? 0 : search_position_;
+
+        handler_(result_ec, result_n);
+      }
+    }
+
+  //private:
+    AsyncReadStream& stream_;
+    DynamicBuffer_v2 buffers_;
+    RegEx expr_;
+    int start_;
+    std::size_t search_position_;
+    std::size_t bytes_to_read_;
+    ReadHandler handler_;
+  };
+
+  template <typename AsyncReadStream, typename DynamicBuffer_v2,
+      typename RegEx, typename ReadHandler>
+  inline void* asio_handler_allocate(std::size_t size,
+      read_until_expr_op_v2<AsyncReadStream,
+        DynamicBuffer_v2, RegEx, ReadHandler>* this_handler)
+  {
+    return asio_handler_alloc_helpers::allocate(
+        size, this_handler->handler_);
+  }
+
+  template <typename AsyncReadStream, typename DynamicBuffer_v2,
+      typename RegEx, typename ReadHandler>
+  inline void asio_handler_deallocate(void* pointer, std::size_t size,
+      read_until_expr_op_v2<AsyncReadStream,
+        DynamicBuffer_v2, RegEx, ReadHandler>* this_handler)
+  {
+    asio_handler_alloc_helpers::deallocate(
+        pointer, size, this_handler->handler_);
+  }
+
+  template <typename AsyncReadStream, typename DynamicBuffer_v2,
+      typename RegEx, typename ReadHandler>
+  inline bool asio_handler_is_continuation(
+      read_until_expr_op_v2<AsyncReadStream,
+        DynamicBuffer_v2, RegEx, ReadHandler>* this_handler)
+  {
+    return this_handler->start_ == 0 ? true
+      : asio_handler_cont_helpers::is_continuation(
+          this_handler->handler_);
+  }
+
+  template <typename Function, typename AsyncReadStream,
+      typename DynamicBuffer_v2, typename RegEx, typename ReadHandler>
+  inline void asio_handler_invoke(Function& function,
+      read_until_expr_op_v2<AsyncReadStream,
+        DynamicBuffer_v2, RegEx, ReadHandler>* this_handler)
+  {
+    asio_handler_invoke_helpers::invoke(
+        function, this_handler->handler_);
+  }
+
+  template <typename Function, typename AsyncReadStream,
+      typename DynamicBuffer_v2, typename RegEx, typename ReadHandler>
+  inline void asio_handler_invoke(const Function& function,
+      read_until_expr_op_v2<AsyncReadStream,
+        DynamicBuffer_v2, RegEx, ReadHandler>* this_handler)
+  {
+    asio_handler_invoke_helpers::invoke(
+        function, this_handler->handler_);
+  }
+
+  struct initiate_async_read_until_expr_v2
+  {
+    template <typename ReadHandler, typename AsyncReadStream,
+        typename DynamicBuffer_v2, typename RegEx>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        AsyncReadStream* s, ASIO_MOVE_ARG(DynamicBuffer_v2) buffers,
+        const RegEx& expr) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      non_const_lvalue<ReadHandler> handler2(handler);
+      read_until_expr_op_v2<AsyncReadStream,
+        typename decay<DynamicBuffer_v2>::type,
+          RegEx, typename decay<ReadHandler>::type>(
+            *s, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+            expr, handler2.value)(asio::error_code(), 0, 1);
+    }
+  };
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+    typename RegEx, typename ReadHandler, typename Allocator>
+struct associated_allocator<
+    detail::read_until_expr_op_v2<AsyncReadStream,
+      DynamicBuffer_v2, RegEx, ReadHandler>,
+    Allocator>
+{
+  typedef typename associated_allocator<ReadHandler, Allocator>::type type;
+
+  static type get(
+      const detail::read_until_expr_op_v2<AsyncReadStream,
+        DynamicBuffer_v2, RegEx, ReadHandler>& h,
+      const Allocator& a = Allocator()) ASIO_NOEXCEPT
+  {
+    return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a);
+  }
+};
+
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+    typename RegEx, typename ReadHandler, typename Executor>
+struct associated_executor<
+    detail::read_until_expr_op_v2<AsyncReadStream,
+      DynamicBuffer_v2, RegEx, ReadHandler>,
+    Executor>
+{
+  typedef typename associated_executor<ReadHandler, Executor>::type type;
+
+  static type get(
+      const detail::read_until_expr_op_v2<AsyncReadStream,
+        DynamicBuffer_v2, RegEx, ReadHandler>& h,
+      const Executor& ex = Executor()) ASIO_NOEXCEPT
+  {
+    return associated_executor<ReadHandler, Executor>::get(h.handler_, ex);
+  }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream,
+    typename DynamicBuffer_v2, typename ReadHandler>
+ASIO_INITFN_RESULT_TYPE(ReadHandler,
+    void (asio::error_code, std::size_t))
+async_read_until(AsyncReadStream& s, DynamicBuffer_v2 buffers,
+    const boost::regex& expr, ASIO_MOVE_ARG(ReadHandler) handler,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type*)
+{
+  return async_initiate<ReadHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_read_until_expr_v2(), handler,
+      &s, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers), expr);
+}
+
+#endif // defined(ASIO_HAS_BOOST_REGEX)
+
+namespace detail
+{
+  template <typename AsyncReadStream, typename DynamicBuffer_v2,
+      typename MatchCondition, typename ReadHandler>
+  class read_until_match_op_v2
+  {
+  public:
+    template <typename BufferSequence>
+    read_until_match_op_v2(AsyncReadStream& stream,
+        ASIO_MOVE_ARG(BufferSequence) buffers,
+        MatchCondition match_condition, ReadHandler& handler)
+      : stream_(stream),
+        buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)),
+        match_condition_(match_condition),
+        start_(0),
+        search_position_(0),
+        bytes_to_read_(0),
+        handler_(ASIO_MOVE_CAST(ReadHandler)(handler))
+    {
+    }
+
+#if defined(ASIO_HAS_MOVE)
+    read_until_match_op_v2(const read_until_match_op_v2& other)
+      : stream_(other.stream_),
+        buffers_(other.buffers_),
+        match_condition_(other.match_condition_),
+        start_(other.start_),
+        search_position_(other.search_position_),
+        bytes_to_read_(other.bytes_to_read_),
+        handler_(other.handler_)
+    {
+    }
+
+    read_until_match_op_v2(read_until_match_op_v2&& other)
+      : stream_(other.stream_),
+        buffers_(ASIO_MOVE_CAST(DynamicBuffer_v2)(other.buffers_)),
+        match_condition_(other.match_condition_),
+        start_(other.start_),
+        search_position_(other.search_position_),
+        bytes_to_read_(other.bytes_to_read_),
+        handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_))
+    {
+    }
+#endif // defined(ASIO_HAS_MOVE)
+
+    void operator()(const asio::error_code& ec,
+        std::size_t bytes_transferred, int start = 0)
+    {
+      const std::size_t not_found = (std::numeric_limits<std::size_t>::max)();
+      std::size_t pos;
+      switch (start_ = start)
+      {
+      case 1:
+        for (;;)
+        {
+          {
+            // Determine the range of the data to be searched.
+            typedef typename DynamicBuffer_v2::const_buffers_type
+              buffers_type;
+            typedef buffers_iterator<buffers_type> iterator;
+            buffers_type data_buffers =
+              const_cast<const DynamicBuffer_v2&>(buffers_).data(
+                  0, buffers_.size());
+            iterator begin = iterator::begin(data_buffers);
+            iterator start_pos = begin + search_position_;
+            iterator end = iterator::end(data_buffers);
+
+            // Look for a match.
+            std::pair<iterator, bool> result = match_condition_(start_pos, end);
+            if (result.second)
+            {
+              // Full match. We're done.
+              search_position_ = result.first - begin;
+              bytes_to_read_ = 0;
+            }
+
+            // No match yet. Check if buffer is full.
+            else if (buffers_.size() == buffers_.max_size())
+            {
+              search_position_ = not_found;
+              bytes_to_read_ = 0;
+            }
+
+            // Need to read some more data.
+            else
+            {
+              if (result.first != end)
+              {
+                // Partial match. Next search needs to start from beginning of
+                // match.
+                search_position_ = result.first - begin;
+              }
+              else
+              {
+                // Next search can start with the new data.
+                search_position_ = end - begin;
+              }
+
+              bytes_to_read_ = std::min<std::size_t>(
+                    std::max<std::size_t>(512,
+                      buffers_.capacity() - buffers_.size()),
+                    std::min<std::size_t>(65536,
+                      buffers_.max_size() - buffers_.size()));
+            }
+          }
+
+          // Check if we're done.
+          if (!start && bytes_to_read_ == 0)
+            break;
+
+          // Start a new asynchronous read op_v2eration to obtain more data.
+          pos = buffers_.size();
+          buffers_.grow(bytes_to_read_);
+          stream_.async_read_some(buffers_.data(pos, bytes_to_read_),
+              ASIO_MOVE_CAST(read_until_match_op_v2)(*this));
+          return; default:
+          buffers_.shrink(bytes_to_read_ - bytes_transferred);
+          if (ec || bytes_transferred == 0)
+            break;
+        }
+
+        const asio::error_code result_ec =
+          (search_position_ == not_found)
+          ? error::not_found : ec;
+
+        const std::size_t result_n =
+          (ec || search_position_ == not_found)
+          ? 0 : search_position_;
+
+        handler_(result_ec, result_n);
+      }
+    }
+
+  //private:
+    AsyncReadStream& stream_;
+    DynamicBuffer_v2 buffers_;
+    MatchCondition match_condition_;
+    int start_;
+    std::size_t search_position_;
+    std::size_t bytes_to_read_;
+    ReadHandler handler_;
+  };
+
+  template <typename AsyncReadStream, typename DynamicBuffer_v2,
+      typename MatchCondition, typename ReadHandler>
+  inline void* asio_handler_allocate(std::size_t size,
+      read_until_match_op_v2<AsyncReadStream, DynamicBuffer_v2,
+        MatchCondition, ReadHandler>* this_handler)
+  {
+    return asio_handler_alloc_helpers::allocate(
+        size, this_handler->handler_);
+  }
+
+  template <typename AsyncReadStream, typename DynamicBuffer_v2,
+      typename MatchCondition, typename ReadHandler>
+  inline void asio_handler_deallocate(void* pointer, std::size_t size,
+      read_until_match_op_v2<AsyncReadStream, DynamicBuffer_v2,
+        MatchCondition, ReadHandler>* this_handler)
+  {
+    asio_handler_alloc_helpers::deallocate(
+        pointer, size, this_handler->handler_);
+  }
+
+  template <typename AsyncReadStream, typename DynamicBuffer_v2,
+      typename MatchCondition, typename ReadHandler>
+  inline bool asio_handler_is_continuation(
+      read_until_match_op_v2<AsyncReadStream, DynamicBuffer_v2,
+        MatchCondition, ReadHandler>* this_handler)
+  {
+    return this_handler->start_ == 0 ? true
+      : asio_handler_cont_helpers::is_continuation(
+          this_handler->handler_);
+  }
+
+  template <typename Function, typename AsyncReadStream,
+      typename DynamicBuffer_v2, typename MatchCondition,
+      typename ReadHandler>
+  inline void asio_handler_invoke(Function& function,
+      read_until_match_op_v2<AsyncReadStream, DynamicBuffer_v2,
+        MatchCondition, ReadHandler>* this_handler)
+  {
+    asio_handler_invoke_helpers::invoke(
+        function, this_handler->handler_);
+  }
+
+  template <typename Function, typename AsyncReadStream,
+      typename DynamicBuffer_v2, typename MatchCondition,
+      typename ReadHandler>
+  inline void asio_handler_invoke(const Function& function,
+      read_until_match_op_v2<AsyncReadStream, DynamicBuffer_v2,
+      MatchCondition, ReadHandler>* this_handler)
+  {
+    asio_handler_invoke_helpers::invoke(
+        function, this_handler->handler_);
+  }
+
+  struct initiate_async_read_until_match_v2
+  {
+    template <typename ReadHandler, typename AsyncReadStream,
+        typename DynamicBuffer_v2, typename MatchCondition>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        AsyncReadStream* s, ASIO_MOVE_ARG(DynamicBuffer_v2) buffers,
+        MatchCondition match_condition) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      non_const_lvalue<ReadHandler> handler2(handler);
+      read_until_match_op_v2<AsyncReadStream,
+        typename decay<DynamicBuffer_v2>::type,
+          MatchCondition, typename decay<ReadHandler>::type>(
+            *s, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+            match_condition, handler2.value)(asio::error_code(), 0, 1);
+    }
+  };
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+    typename MatchCondition, typename ReadHandler, typename Allocator>
+struct associated_allocator<
+    detail::read_until_match_op_v2<AsyncReadStream,
+      DynamicBuffer_v2, MatchCondition, ReadHandler>,
+    Allocator>
+{
+  typedef typename associated_allocator<ReadHandler, Allocator>::type type;
+
+  static type get(
+      const detail::read_until_match_op_v2<AsyncReadStream,
+        DynamicBuffer_v2, MatchCondition, ReadHandler>& h,
+      const Allocator& a = Allocator()) ASIO_NOEXCEPT
+  {
+    return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a);
+  }
+};
+
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+    typename MatchCondition, typename ReadHandler, typename Executor>
+struct associated_executor<
+    detail::read_until_match_op_v2<AsyncReadStream,
+      DynamicBuffer_v2, MatchCondition, ReadHandler>,
+    Executor>
+{
+  typedef typename associated_executor<ReadHandler, Executor>::type type;
+
+  static type get(
+      const detail::read_until_match_op_v2<AsyncReadStream,
+        DynamicBuffer_v2, MatchCondition, ReadHandler>& h,
+      const Executor& ex = Executor()) ASIO_NOEXCEPT
+  {
+    return associated_executor<ReadHandler, Executor>::get(h.handler_, ex);
+  }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+    typename MatchCondition, typename ReadHandler>
+ASIO_INITFN_RESULT_TYPE(ReadHandler,
+    void (asio::error_code, std::size_t))
+async_read_until(AsyncReadStream& s, DynamicBuffer_v2 buffers,
+    MatchCondition match_condition, ASIO_MOVE_ARG(ReadHandler) handler,
+    typename enable_if<
+      is_match_condition<MatchCondition>::value
+        && is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type*)
+{
+  return async_initiate<ReadHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_read_until_match_v2(), handler,
+      &s, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers), match_condition);
+}
+
 #endif // !defined(ASIO_NO_EXTENSIONS)
 
 } // namespace asio
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/redirect_error.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/redirect_error.hpp
new file mode 100644
index 0000000..ca1e5e5
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/redirect_error.hpp
@@ -0,0 +1,372 @@
+
+// impl/redirect_error.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IMPL_REDIRECT_ERROR_HPP
+#define ASIO_IMPL_REDIRECT_ERROR_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/associated_executor.hpp"
+#include "asio/associated_allocator.hpp"
+#include "asio/async_result.hpp"
+#include "asio/detail/handler_alloc_helpers.hpp"
+#include "asio/detail/handler_cont_helpers.hpp"
+#include "asio/detail/handler_invoke_helpers.hpp"
+#include "asio/detail/type_traits.hpp"
+#include "asio/detail/variadic_templates.hpp"
+#include "asio/system_error.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace detail {
+
+// Class to adapt a redirect_error_t as a completion handler.
+template <typename Handler>
+class redirect_error_handler
+{
+public:
+  typedef void result_type;
+
+  template <typename CompletionToken>
+  redirect_error_handler(redirect_error_t<CompletionToken> e)
+    : ec_(e.ec_),
+      handler_(ASIO_MOVE_CAST(CompletionToken)(e.token_))
+  {
+  }
+
+  template <typename RedirectedHandler>
+  redirect_error_handler(asio::error_code& ec,
+      ASIO_MOVE_ARG(RedirectedHandler) h)
+    : ec_(ec),
+      handler_(ASIO_MOVE_CAST(RedirectedHandler)(h))
+  {
+  }
+
+  void operator()()
+  {
+    handler_();
+  }
+
+#if defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+  template <typename Arg, typename... Args>
+  typename enable_if<
+    !is_same<typename decay<Arg>::type, asio::error_code>::value
+  >::type
+  operator()(ASIO_MOVE_ARG(Arg) arg, ASIO_MOVE_ARG(Args)... args)
+  {
+    handler_(ASIO_MOVE_CAST(Arg)(arg),
+        ASIO_MOVE_CAST(Args)(args)...);
+  }
+
+  template <typename... Args>
+  void operator()(const asio::error_code& ec,
+      ASIO_MOVE_ARG(Args)... args)
+  {
+    ec_ = ec;
+    handler_(ASIO_MOVE_CAST(Args)(args)...);
+  }
+
+#else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+  template <typename Arg>
+  typename enable_if<
+    !is_same<typename decay<Arg>::type, asio::error_code>::value
+  >::type
+  operator()(ASIO_MOVE_ARG(Arg) arg)
+  {
+    handler_(ASIO_MOVE_CAST(Arg)(arg));
+  }
+
+  void operator()(const asio::error_code& ec)
+  {
+    ec_ = ec;
+    handler_();
+  }
+
+#define ASIO_PRIVATE_REDIRECT_ERROR_DEF(n) \
+  template <typename Arg, ASIO_VARIADIC_TPARAMS(n)> \
+  typename enable_if< \
+    !is_same<typename decay<Arg>::type, asio::error_code>::value \
+  >::type \
+  operator()(ASIO_MOVE_ARG(Arg) arg, ASIO_VARIADIC_MOVE_PARAMS(n)) \
+  { \
+    handler_(ASIO_MOVE_CAST(Arg)(arg), \
+        ASIO_VARIADIC_MOVE_ARGS(n)); \
+  } \
+  \
+  template <ASIO_VARIADIC_TPARAMS(n)> \
+  void operator()(const asio::error_code& ec, \
+      ASIO_VARIADIC_MOVE_PARAMS(n)) \
+  { \
+    ec_ = ec; \
+    handler_(ASIO_VARIADIC_MOVE_ARGS(n)); \
+  } \
+  /**/
+  ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_REDIRECT_ERROR_DEF)
+#undef ASIO_PRIVATE_REDIRECT_ERROR_DEF
+
+#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+//private:
+  asio::error_code& ec_;
+  Handler handler_;
+};
+
+template <typename Handler>
+inline void* asio_handler_allocate(std::size_t size,
+    redirect_error_handler<Handler>* this_handler)
+{
+  return asio_handler_alloc_helpers::allocate(
+      size, this_handler->handler_);
+}
+
+template <typename Handler>
+inline void asio_handler_deallocate(void* pointer, std::size_t size,
+    redirect_error_handler<Handler>* this_handler)
+{
+  asio_handler_alloc_helpers::deallocate(
+      pointer, size, this_handler->handler_);
+}
+
+template <typename Handler>
+inline bool asio_handler_is_continuation(
+    redirect_error_handler<Handler>* this_handler)
+{
+  return asio_handler_cont_helpers::is_continuation(
+        this_handler->handler_);
+}
+
+template <typename Function, typename Handler>
+inline void asio_handler_invoke(Function& function,
+    redirect_error_handler<Handler>* this_handler)
+{
+  asio_handler_invoke_helpers::invoke(
+      function, this_handler->handler_);
+}
+
+template <typename Function, typename Handler>
+inline void asio_handler_invoke(const Function& function,
+    redirect_error_handler<Handler>* this_handler)
+{
+  asio_handler_invoke_helpers::invoke(
+      function, this_handler->handler_);
+}
+
+template <typename Signature>
+struct redirect_error_signature
+{
+  typedef Signature type;
+};
+
+#if defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+template <typename R, typename... Args>
+struct redirect_error_signature<R(asio::error_code, Args...)>
+{
+  typedef R type(Args...);
+};
+
+template <typename R, typename... Args>
+struct redirect_error_signature<R(const asio::error_code&, Args...)>
+{
+  typedef R type(Args...);
+};
+
+#else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+template <typename R>
+struct redirect_error_signature<R(asio::error_code)>
+{
+  typedef R type();
+};
+
+template <typename R>
+struct redirect_error_signature<R(const asio::error_code&)>
+{
+  typedef R type();
+};
+
+#define ASIO_PRIVATE_REDIRECT_ERROR_DEF(n) \
+  template <typename R, ASIO_VARIADIC_TPARAMS(n)> \
+  struct redirect_error_signature< \
+      R(asio::error_code, ASIO_VARIADIC_TARGS(n))> \
+  { \
+    typedef R type(ASIO_VARIADIC_TARGS(n)); \
+  }; \
+  \
+  template <typename R, ASIO_VARIADIC_TPARAMS(n)> \
+  struct redirect_error_signature< \
+      R(const asio::error_code&, ASIO_VARIADIC_TARGS(n))> \
+  { \
+    typedef R type(ASIO_VARIADIC_TARGS(n)); \
+  }; \
+  /**/
+  ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_REDIRECT_ERROR_DEF)
+#undef ASIO_PRIVATE_REDIRECT_ERROR_DEF
+
+#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <typename CompletionToken, typename Signature>
+struct async_result<redirect_error_t<CompletionToken>, Signature>
+{
+  typedef typename async_result<CompletionToken,
+    typename detail::redirect_error_signature<Signature>::type>
+      ::return_type return_type;
+
+  template <typename Initiation>
+  struct init_wrapper
+  {
+    template <typename Init>
+    init_wrapper(asio::error_code& ec, ASIO_MOVE_ARG(Init) init)
+      : ec_(ec),
+        initiation_(ASIO_MOVE_CAST(Init)(init))
+    {
+    }
+
+#if defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+    template <typename Handler, typename... Args>
+    void operator()(
+        ASIO_MOVE_ARG(Handler) handler,
+        ASIO_MOVE_ARG(Args)... args)
+    {
+      ASIO_MOVE_CAST(Initiation)(initiation_)(
+          detail::redirect_error_handler<
+            typename decay<Handler>::type>(
+              ec_, ASIO_MOVE_CAST(Handler)(handler)),
+          ASIO_MOVE_CAST(Args)(args)...);
+    }
+
+#else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+    template <typename Handler>
+    void operator()(
+        ASIO_MOVE_ARG(Handler) handler)
+    {
+      ASIO_MOVE_CAST(Initiation)(initiation_)(
+          detail::redirect_error_handler<
+            typename decay<Handler>::type>(
+              ec_, ASIO_MOVE_CAST(Handler)(handler)));
+    }
+
+#define ASIO_PRIVATE_INIT_WRAPPER_DEF(n) \
+    template <typename Handler, ASIO_VARIADIC_TPARAMS(n)> \
+    void operator()( \
+        ASIO_MOVE_ARG(Handler) handler, \
+        ASIO_VARIADIC_MOVE_PARAMS(n)) \
+    { \
+      ASIO_MOVE_CAST(Initiation)(initiation_)( \
+          detail::redirect_error_handler< \
+            typename decay<Handler>::type>( \
+              ec_, ASIO_MOVE_CAST(Handler)(handler)), \
+          ASIO_VARIADIC_MOVE_ARGS(n)); \
+    } \
+    /**/
+    ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_INIT_WRAPPER_DEF)
+#undef ASIO_PRIVATE_INIT_WRAPPER_DEF
+
+#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+    asio::error_code& ec_;
+    Initiation initiation_;
+  };
+
+#if defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+  template <typename Initiation, typename RawCompletionToken, typename... Args>
+  static return_type initiate(
+      ASIO_MOVE_ARG(Initiation) initiation,
+      ASIO_MOVE_ARG(RawCompletionToken) token,
+      ASIO_MOVE_ARG(Args)... args)
+  {
+    return async_initiate<CompletionToken,
+      typename detail::redirect_error_signature<Signature>::type>(
+        init_wrapper<typename decay<Initiation>::type>(
+          token.ec_, ASIO_MOVE_CAST(Initiation)(initiation)),
+        token.token_, ASIO_MOVE_CAST(Args)(args)...);
+  }
+
+#else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+  template <typename Initiation, typename RawCompletionToken>
+  static return_type initiate(
+      ASIO_MOVE_ARG(Initiation) initiation,
+      ASIO_MOVE_ARG(RawCompletionToken) token)
+  {
+    return async_initiate<CompletionToken,
+      typename detail::redirect_error_signature<Signature>::type>(
+        init_wrapper<typename decay<Initiation>::type>(
+          token.ec_, ASIO_MOVE_CAST(Initiation)(initiation)),
+        token.token_);
+  }
+
+#define ASIO_PRIVATE_INITIATE_DEF(n) \
+  template <typename Initiation, typename RawCompletionToken, \
+      ASIO_VARIADIC_TPARAMS(n)> \
+  static return_type initiate( \
+      ASIO_MOVE_ARG(Initiation) initiation, \
+      ASIO_MOVE_ARG(RawCompletionToken) token, \
+      ASIO_VARIADIC_MOVE_PARAMS(n)) \
+  { \
+    return async_initiate<CompletionToken, \
+      typename detail::redirect_error_signature<Signature>::type>( \
+        init_wrapper<typename decay<Initiation>::type>( \
+          token.ec_, ASIO_MOVE_CAST(Initiation)(initiation)), \
+        token.token_, ASIO_VARIADIC_MOVE_ARGS(n)); \
+  } \
+  /**/
+  ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_INITIATE_DEF)
+#undef ASIO_PRIVATE_INITIATE_DEF
+
+#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+};
+
+template <typename Handler, typename Executor>
+struct associated_executor<detail::redirect_error_handler<Handler>, Executor>
+{
+  typedef typename associated_executor<Handler, Executor>::type type;
+
+  static type get(
+      const detail::redirect_error_handler<Handler>& h,
+      const Executor& ex = Executor()) ASIO_NOEXCEPT
+  {
+    return associated_executor<Handler, Executor>::get(h.handler_, ex);
+  }
+};
+
+template <typename Handler, typename Allocator>
+struct associated_allocator<detail::redirect_error_handler<Handler>, Allocator>
+{
+  typedef typename associated_allocator<Handler, Allocator>::type type;
+
+  static type get(
+      const detail::redirect_error_handler<Handler>& h,
+      const Allocator& a = Allocator()) ASIO_NOEXCEPT
+  {
+    return associated_allocator<Handler, Allocator>::get(h.handler_, a);
+  }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IMPL_REDIRECT_ERROR_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/serial_port_base.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/serial_port_base.hpp
index fe7c5e2..d34dd5b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/serial_port_base.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/serial_port_base.hpp
@@ -2,7 +2,7 @@
 // impl/serial_port_base.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/serial_port_base.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/serial_port_base.ipp
index bad1fe3..ad2fbaf 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/serial_port_base.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/serial_port_base.ipp
@@ -2,7 +2,7 @@
 // impl/serial_port_base.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/spawn.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/spawn.hpp
index 3f23ed3..5235d3f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/spawn.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/spawn.hpp
@@ -2,7 +2,7 @@
 // impl/spawn.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -244,7 +244,7 @@ public:
   explicit async_result(
     typename detail::coro_async_result<Handler,
       typename decay<Arg1>::type>::completion_handler_type& h)
-    : detail::coro_async_result<Handler, Arg1>(h)
+    : detail::coro_async_result<Handler, typename decay<Arg1>::type>(h)
   {
   }
 };
@@ -272,56 +272,11 @@ public:
   explicit async_result(
     typename detail::coro_async_result<Handler,
       typename decay<Arg2>::type>::completion_handler_type& h)
-    : detail::coro_async_result<Handler, Arg2>(h)
+    : detail::coro_async_result<Handler, typename decay<Arg2>::type>(h)
   {
   }
 };
 
-#if !defined(ASIO_NO_DEPRECATED)
-
-template <typename Handler, typename ReturnType>
-struct handler_type<basic_yield_context<Handler>, ReturnType()>
-{
-  typedef detail::coro_handler<Handler, void> type;
-};
-
-template <typename Handler, typename ReturnType, typename Arg1>
-struct handler_type<basic_yield_context<Handler>, ReturnType(Arg1)>
-{
-  typedef detail::coro_handler<Handler, typename decay<Arg1>::type> type;
-};
-
-template <typename Handler, typename ReturnType>
-struct handler_type<basic_yield_context<Handler>,
-    ReturnType(asio::error_code)>
-{
-  typedef detail::coro_handler<Handler, void> type;
-};
-
-template <typename Handler, typename ReturnType, typename Arg2>
-struct handler_type<basic_yield_context<Handler>,
-    ReturnType(asio::error_code, Arg2)>
-{
-  typedef detail::coro_handler<Handler, typename decay<Arg2>::type> type;
-};
-
-template <typename Handler, typename T>
-class async_result<detail::coro_handler<Handler, T> >
-  : public detail::coro_async_result<Handler, T>
-{
-public:
-  typedef typename detail::coro_async_result<Handler, T>::return_type type;
-
-  explicit async_result(
-    typename detail::coro_async_result<Handler,
-      void>::completion_handler_type& h)
-    : detail::coro_async_result<Handler, T>(h)
-  {
-  }
-};
-
-#endif // !defined(ASIO_NO_DEPRECATED)
-
 template <typename Handler, typename T, typename Allocator>
 struct associated_allocator<detail::coro_handler<Handler, T>, Allocator>
 {
@@ -351,11 +306,12 @@ namespace detail {
   template <typename Handler, typename Function>
   struct spawn_data : private noncopyable
   {
-    spawn_data(ASIO_MOVE_ARG(Handler) handler,
-        bool call_handler, ASIO_MOVE_ARG(Function) function)
-      : handler_(ASIO_MOVE_CAST(Handler)(handler)),
+    template <typename Hand, typename Func>
+    spawn_data(ASIO_MOVE_ARG(Hand) handler,
+        bool call_handler, ASIO_MOVE_ARG(Func) function)
+      : handler_(ASIO_MOVE_CAST(Hand)(handler)),
         call_handler_(call_handler),
-        function_(ASIO_MOVE_CAST(Function)(function))
+        function_(ASIO_MOVE_CAST(Func)(function))
     {
     }
 
@@ -441,6 +397,7 @@ void spawn(ASIO_MOVE_ARG(Handler) handler,
       !is_convertible<Handler&, execution_context&>::value>::type*)
 {
   typedef typename decay<Handler>::type handler_type;
+  typedef typename decay<Function>::type function_type;
 
   typename associated_executor<handler_type>::type ex(
       (get_associated_executor)(handler));
@@ -448,9 +405,9 @@ void spawn(ASIO_MOVE_ARG(Handler) handler,
   typename associated_allocator<handler_type>::type a(
       (get_associated_allocator)(handler));
 
-  detail::spawn_helper<handler_type, Function> helper;
+  detail::spawn_helper<handler_type, function_type> helper;
   helper.data_.reset(
-      new detail::spawn_data<handler_type, Function>(
+      new detail::spawn_data<handler_type, function_type>(
         ASIO_MOVE_CAST(Handler)(handler), true,
         ASIO_MOVE_CAST(Function)(function)));
   helper.attributes_ = attributes;
@@ -463,6 +420,8 @@ void spawn(basic_yield_context<Handler> ctx,
     ASIO_MOVE_ARG(Function) function,
     const boost::coroutines::attributes& attributes)
 {
+  typedef typename decay<Function>::type function_type;
+
   Handler handler(ctx.handler_); // Explicit copy that might be moved from.
 
   typename associated_executor<Handler>::type ex(
@@ -471,9 +430,9 @@ void spawn(basic_yield_context<Handler> ctx,
   typename associated_allocator<Handler>::type a(
       (get_associated_allocator)(handler));
 
-  detail::spawn_helper<Handler, Function> helper;
+  detail::spawn_helper<Handler, function_type> helper;
   helper.data_.reset(
-      new detail::spawn_data<Handler, Function>(
+      new detail::spawn_data<Handler, function_type>(
         ASIO_MOVE_CAST(Handler)(handler), false,
         ASIO_MOVE_CAST(Function)(function)));
   helper.attributes_ = attributes;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/src.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/src.cpp
index d0c7595..e889a7d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/src.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/src.cpp
@@ -2,7 +2,7 @@
 // impl/src.cpp
 // ~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/src.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/src.hpp
index 41a1d75..a1ee55d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/src.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/src.hpp
@@ -2,7 +2,7 @@
 // impl/src.hpp
 // ~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/system_context.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/system_context.hpp
index e7cce6e..daffd55 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/system_context.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/system_context.hpp
@@ -2,7 +2,7 @@
 // impl/system_context.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/system_context.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/system_context.ipp
index 21e6578..161c7b0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/system_context.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/system_context.ipp
@@ -2,7 +2,7 @@
 // impl/system_context.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -34,7 +34,7 @@ struct system_context::thread_function
 };
 
 system_context::system_context()
-  : scheduler_(use_service<detail::scheduler>(*this))
+  : scheduler_(add_scheduler(new detail::scheduler(*this, 0, false)))
 {
   scheduler_.work_started();
 
@@ -66,6 +66,13 @@ void system_context::join()
   threads_.join();
 }
 
+detail::scheduler& system_context::add_scheduler(detail::scheduler* s)
+{
+  detail::scoped_ptr<detail::scheduler> scoped_impl(s);
+  asio::add_service<detail::scheduler>(*this, scoped_impl.get());
+  return *scoped_impl.release();
+}
+
 } // namespace asio
 
 #include "asio/detail/pop_options.hpp"
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/system_executor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/system_executor.hpp
index af90dc4..d7dc2c8 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/system_executor.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/system_executor.hpp
@@ -2,7 +2,7 @@
 // impl/system_executor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/thread_pool.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/thread_pool.hpp
index 5e069ee..033cb76 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/thread_pool.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/thread_pool.hpp
@@ -2,7 +2,7 @@
 // impl/thread_pool.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/thread_pool.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/thread_pool.ipp
index 373b01c..8802395 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/thread_pool.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/thread_pool.ipp
@@ -2,7 +2,7 @@
 // impl/thread_pool.ipp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -34,7 +34,7 @@ struct thread_pool::thread_function
 };
 
 thread_pool::thread_pool()
-  : scheduler_(use_service<detail::scheduler>(*this))
+  : scheduler_(add_scheduler(new detail::scheduler(*this, 0, false)))
 {
   scheduler_.work_started();
 
@@ -44,7 +44,8 @@ thread_pool::thread_pool()
 }
 
 thread_pool::thread_pool(std::size_t num_threads)
-  : scheduler_(use_service<detail::scheduler>(*this))
+  : scheduler_(add_scheduler(new detail::scheduler(
+          *this, num_threads == 1 ? 1 : 0, false)))
 {
   scheduler_.work_started();
 
@@ -65,8 +66,18 @@ void thread_pool::stop()
 
 void thread_pool::join()
 {
-  scheduler_.work_finished();
-  threads_.join();
+  if (!threads_.empty())
+  {
+    scheduler_.work_finished();
+    threads_.join();
+  }
+}
+
+detail::scheduler& thread_pool::add_scheduler(detail::scheduler* s)
+{
+  detail::scoped_ptr<detail::scheduler> scoped_impl(s);
+  asio::add_service<detail::scheduler>(*this, scoped_impl.get());
+  return *scoped_impl.release();
 }
 
 } // namespace asio
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/use_awaitable.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/use_awaitable.hpp
new file mode 100644
index 0000000..c607d10
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/use_awaitable.hpp
@@ -0,0 +1,276 @@
+//
+// impl/use_awaitable.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_IMPL_USE_AWAITABLE_HPP
+#define ASIO_IMPL_USE_AWAITABLE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/async_result.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace detail {
+
+template <typename Executor, typename T>
+class awaitable_handler_base
+  : public awaitable_thread<Executor>
+{
+public:
+  typedef void result_type;
+  typedef awaitable<T, Executor> awaitable_type;
+
+  // Construct from the entry point of a new thread of execution.
+  awaitable_handler_base(awaitable<void, Executor> a, const Executor& ex)
+    : awaitable_thread<Executor>(std::move(a), ex)
+  {
+  }
+
+  // Transfer ownership from another awaitable_thread.
+  explicit awaitable_handler_base(awaitable_thread<Executor>* h)
+    : awaitable_thread<Executor>(std::move(*h))
+  {
+  }
+
+protected:
+  awaitable_frame<T, Executor>* frame() noexcept
+  {
+    return static_cast<awaitable_frame<T, Executor>*>(this->top_of_stack_);
+  }
+};
+
+template <typename, typename...>
+class awaitable_handler;
+
+template <typename Executor>
+class awaitable_handler<Executor, void>
+  : public awaitable_handler_base<Executor, void>
+{
+public:
+  using awaitable_handler_base<Executor, void>::awaitable_handler_base;
+
+  void operator()()
+  {
+    this->frame()->attach_thread(this);
+    this->frame()->return_void();
+    this->frame()->pop_frame();
+    this->pump();
+  }
+};
+
+template <typename Executor>
+class awaitable_handler<Executor, asio::error_code>
+  : public awaitable_handler_base<Executor, void>
+{
+public:
+  using awaitable_handler_base<Executor, void>::awaitable_handler_base;
+
+  void operator()(const asio::error_code& ec)
+  {
+    this->frame()->attach_thread(this);
+    if (ec)
+      this->frame()->set_error(ec);
+    else
+      this->frame()->return_void();
+    this->frame()->pop_frame();
+    this->pump();
+  }
+};
+
+template <typename Executor>
+class awaitable_handler<Executor, std::exception_ptr>
+  : public awaitable_handler_base<Executor, void>
+{
+public:
+  using awaitable_handler_base<Executor, void>::awaitable_handler_base;
+
+  void operator()(std::exception_ptr ex)
+  {
+    this->frame()->attach_thread(this);
+    if (ex)
+      this->frame()->set_except(ex);
+    else
+      this->frame()->return_void();
+    this->frame()->pop_frame();
+    this->pump();
+  }
+};
+
+template <typename Executor, typename T>
+class awaitable_handler<Executor, T>
+  : public awaitable_handler_base<Executor, T>
+{
+public:
+  using awaitable_handler_base<Executor, T>::awaitable_handler_base;
+
+  template <typename Arg>
+  void operator()(Arg&& arg)
+  {
+    this->frame()->attach_thread(this);
+    this->frame()->return_value(std::forward<Arg>(arg));
+    this->frame()->pop_frame();
+    this->pump();
+  }
+};
+
+template <typename Executor, typename T>
+class awaitable_handler<Executor, asio::error_code, T>
+  : public awaitable_handler_base<Executor, T>
+{
+public:
+  using awaitable_handler_base<Executor, T>::awaitable_handler_base;
+
+  template <typename Arg>
+  void operator()(const asio::error_code& ec, Arg&& arg)
+  {
+    this->frame()->attach_thread(this);
+    if (ec)
+      this->frame()->set_error(ec);
+    else
+      this->frame()->return_value(std::forward<Arg>(arg));
+    this->frame()->pop_frame();
+    this->pump();
+  }
+};
+
+template <typename Executor, typename T>
+class awaitable_handler<Executor, std::exception_ptr, T>
+  : public awaitable_handler_base<Executor, T>
+{
+public:
+  using awaitable_handler_base<Executor, T>::awaitable_handler_base;
+
+  template <typename Arg>
+  void operator()(std::exception_ptr ex, Arg&& arg)
+  {
+    this->frame()->attach_thread(this);
+    if (ex)
+      this->frame()->set_except(ex);
+    else
+      this->frame()->return_value(std::forward<Arg>(arg));
+    this->frame()->pop_frame();
+    this->pump();
+  }
+};
+
+template <typename Executor, typename... Ts>
+class awaitable_handler
+  : public awaitable_handler_base<Executor, std::tuple<Ts...>>
+{
+public:
+  using awaitable_handler_base<Executor,
+    std::tuple<Ts...>>::awaitable_handler_base;
+
+  template <typename... Args>
+  void operator()(Args&&... args)
+  {
+    this->frame()->attach_thread(this);
+    this->frame()->return_values(std::forward<Args>(args)...);
+    this->frame()->pop_frame();
+    this->pump();
+  }
+};
+
+template <typename Executor, typename... Ts>
+class awaitable_handler<Executor, asio::error_code, Ts...>
+  : public awaitable_handler_base<Executor, std::tuple<Ts...>>
+{
+public:
+  using awaitable_handler_base<Executor,
+    std::tuple<Ts...>>::awaitable_handler_base;
+
+  template <typename... Args>
+  void operator()(const asio::error_code& ec, Args&&... args)
+  {
+    this->frame()->attach_thread(this);
+    if (ec)
+      this->frame()->set_error(ec);
+    else
+      this->frame()->return_values(std::forward<Args>(args)...);
+    this->frame()->pop_frame();
+    this->pump();
+  }
+};
+
+template <typename Executor, typename... Ts>
+class awaitable_handler<Executor, std::exception_ptr, Ts...>
+  : public awaitable_handler_base<Executor, std::tuple<Ts...>>
+{
+public:
+  using awaitable_handler_base<Executor,
+    std::tuple<Ts...>>::awaitable_handler_base;
+
+  template <typename... Args>
+  void operator()(std::exception_ptr ex, Args&&... args)
+  {
+    this->frame()->attach_thread(this);
+    if (ex)
+      this->frame()->set_except(ex);
+    else
+      this->frame()->return_values(std::forward<Args>(args)...);
+    this->frame()->pop_frame();
+    this->pump();
+  }
+};
+
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <typename Executor, typename R, typename... Args>
+class async_result<use_awaitable_t<Executor>, R(Args...)>
+{
+public:
+  typedef typename detail::awaitable_handler<
+      Executor, typename decay<Args>::type...> handler_type;
+  typedef typename handler_type::awaitable_type return_type;
+
+#if defined(_MSC_VER)
+  template <typename T>
+  static T dummy_return()
+  {
+    return std::move(*static_cast<T*>(nullptr));
+  }
+
+  template <>
+  static void dummy_return()
+  {
+  }
+#endif // defined(_MSC_VER)
+
+  template <typename Initiation, typename... InitArgs>
+  static return_type initiate(Initiation initiation,
+      use_awaitable_t<Executor>, InitArgs... args)
+  {
+    co_await [&](auto* frame)
+      {
+        handler_type handler(frame->detach_thread());
+        std::move(initiation)(std::move(handler), std::move(args)...);
+        return static_cast<handler_type*>(nullptr);
+      };
+
+    for (;;) {} // Never reached.
+#if defined(_MSC_VER)
+    co_return dummy_return<typename return_type::value_type>();
+#endif // defined(_MSC_VER)
+  }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IMPL_USE_AWAITABLE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/use_future.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/use_future.hpp
index 67b329d..64ed4a5 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/use_future.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/use_future.hpp
@@ -2,7 +2,7 @@
 // impl/use_future.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -16,7 +16,6 @@
 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
 
 #include "asio/detail/config.hpp"
-#include <future>
 #include <tuple>
 #include "asio/async_result.hpp"
 #include "asio/detail/memory.hpp"
@@ -879,56 +878,6 @@ public:
 
 #endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
 
-#if !defined(ASIO_NO_DEPRECATED)
-
-template <typename Allocator, typename Signature>
-struct handler_type<use_future_t<Allocator>, Signature>
-{
-  typedef typename async_result<use_future_t<Allocator>,
-    Signature>::completion_handler_type type;
-};
-
-template <typename Signature, typename Allocator>
-class async_result<detail::promise_handler<Signature, Allocator> >
-  : public detail::promise_async_result<Signature, Allocator>
-{
-public:
-  typedef typename detail::promise_async_result<
-    Signature, Allocator>::return_type type;
-
-  explicit async_result(
-    typename detail::promise_async_result<
-      Signature, Allocator>::completion_handler_type& h)
-    : detail::promise_async_result<Signature, Allocator>(h)
-  {
-  }
-};
-
-template <typename Function, typename Allocator, typename Signature>
-struct handler_type<detail::packaged_token<Function, Allocator>, Signature>
-{
-  typedef typename async_result<detail::packaged_token<Function, Allocator>,
-    Signature>::completion_handler_type type;
-};
-
-template <typename Function, typename Allocator, typename Result>
-class async_result<detail::packaged_handler<Function, Allocator, Result> >
-  : public detail::packaged_async_result<Function, Allocator, Result>
-{
-public:
-  typedef typename detail::packaged_async_result<
-    Function, Allocator, Result>::return_type type;
-
-  explicit async_result(
-    typename detail::packaged_async_result<
-      Function, Allocator, Result>::completion_handler_type& h)
-    : detail::packaged_async_result<Function, Allocator, Result>(h)
-  {
-  }
-};
-
-#endif // !defined(ASIO_NO_DEPRECATED)
-
 #endif // !defined(GENERATING_DOCUMENTATION)
 
 } // namespace asio
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/write.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/write.hpp
index 7e0b15e..9e8afc8 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/write.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/write.hpp
@@ -2,7 +2,7 @@
 // impl/write.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -28,6 +28,7 @@
 #include "asio/detail/handler_cont_helpers.hpp"
 #include "asio/detail/handler_invoke_helpers.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
 #include "asio/detail/throw_error.hpp"
 
 #include "asio/detail/push_options.hpp"
@@ -66,7 +67,8 @@ inline std::size_t write(SyncWriteStream& s, const ConstBufferSequence& buffers,
     >::type*)
 {
   return detail::write_buffer_sequence(s, buffers,
-      asio::buffer_sequence_begin(buffers), completion_condition, ec);
+      asio::buffer_sequence_begin(buffers),
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
 }
 
 template <typename SyncWriteStream, typename ConstBufferSequence>
@@ -100,68 +102,76 @@ inline std::size_t write(SyncWriteStream& s, const ConstBufferSequence& buffers,
     >::type*)
 {
   asio::error_code ec;
-  std::size_t bytes_transferred = write(s, buffers, completion_condition, ec);
+  std::size_t bytes_transferred = write(s, buffers,
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
   asio::detail::throw_error(ec, "write");
   return bytes_transferred;
 }
 
-template <typename SyncWriteStream, typename DynamicBuffer,
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
+template <typename SyncWriteStream, typename DynamicBuffer_v1,
     typename CompletionCondition>
 std::size_t write(SyncWriteStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     CompletionCondition completion_condition, asio::error_code& ec,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
     >::type*)
 {
-  typename decay<DynamicBuffer>::type b(
-      ASIO_MOVE_CAST(DynamicBuffer)(buffers));
+  typename decay<DynamicBuffer_v1>::type b(
+      ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers));
 
-  std::size_t bytes_transferred = write(s, b.data(), completion_condition, ec);
+  std::size_t bytes_transferred = write(s, b.data(),
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
   b.consume(bytes_transferred);
   return bytes_transferred;
 }
 
-template <typename SyncWriteStream, typename DynamicBuffer>
+template <typename SyncWriteStream, typename DynamicBuffer_v1>
 inline std::size_t write(SyncWriteStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
     >::type*)
 {
   asio::error_code ec;
   std::size_t bytes_transferred = write(s,
-      ASIO_MOVE_CAST(DynamicBuffer)(buffers),
+      ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
       transfer_all(), ec);
   asio::detail::throw_error(ec, "write");
   return bytes_transferred;
 }
 
-template <typename SyncWriteStream, typename DynamicBuffer>
+template <typename SyncWriteStream, typename DynamicBuffer_v1>
 inline std::size_t write(SyncWriteStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     asio::error_code& ec,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
     >::type*)
 {
-  return write(s, ASIO_MOVE_CAST(DynamicBuffer)(buffers),
+  return write(s, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
       transfer_all(), ec);
 }
 
-template <typename SyncWriteStream, typename DynamicBuffer,
+template <typename SyncWriteStream, typename DynamicBuffer_v1,
     typename CompletionCondition>
 inline std::size_t write(SyncWriteStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     CompletionCondition completion_condition,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
     >::type*)
 {
   asio::error_code ec;
   std::size_t bytes_transferred = write(s,
-      ASIO_MOVE_CAST(DynamicBuffer)(buffers),
-      completion_condition, ec);
+      ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
   asio::detail::throw_error(ec, "write");
   return bytes_transferred;
 }
@@ -175,7 +185,8 @@ inline std::size_t write(SyncWriteStream& s,
     asio::basic_streambuf<Allocator>& b,
     CompletionCondition completion_condition, asio::error_code& ec)
 {
-  return write(s, basic_streambuf_ref<Allocator>(b), completion_condition, ec);
+  return write(s, basic_streambuf_ref<Allocator>(b),
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
 }
 
 template <typename SyncWriteStream, typename Allocator>
@@ -199,11 +210,68 @@ inline std::size_t write(SyncWriteStream& s,
     asio::basic_streambuf<Allocator>& b,
     CompletionCondition completion_condition)
 {
-  return write(s, basic_streambuf_ref<Allocator>(b), completion_condition);
+  return write(s, basic_streambuf_ref<Allocator>(b),
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
 }
 
 #endif // !defined(ASIO_NO_IOSTREAM)
 #endif // !defined(ASIO_NO_EXTENSIONS)
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
+template <typename SyncWriteStream, typename DynamicBuffer_v2,
+    typename CompletionCondition>
+std::size_t write(SyncWriteStream& s, DynamicBuffer_v2 buffers,
+    CompletionCondition completion_condition, asio::error_code& ec,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type*)
+{
+  std::size_t bytes_transferred = write(s, buffers.data(0, buffers.size()),
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
+  buffers.consume(bytes_transferred);
+  return bytes_transferred;
+}
+
+template <typename SyncWriteStream, typename DynamicBuffer_v2>
+inline std::size_t write(SyncWriteStream& s, DynamicBuffer_v2 buffers,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type*)
+{
+  asio::error_code ec;
+  std::size_t bytes_transferred = write(s,
+      ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+      transfer_all(), ec);
+  asio::detail::throw_error(ec, "write");
+  return bytes_transferred;
+}
+
+template <typename SyncWriteStream, typename DynamicBuffer_v2>
+inline std::size_t write(SyncWriteStream& s, DynamicBuffer_v2 buffers,
+    asio::error_code& ec,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type*)
+{
+  return write(s, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+      transfer_all(), ec);
+}
+
+template <typename SyncWriteStream, typename DynamicBuffer_v2,
+    typename CompletionCondition>
+inline std::size_t write(SyncWriteStream& s, DynamicBuffer_v2 buffers,
+    CompletionCondition completion_condition,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type*)
+{
+  asio::error_code ec;
+  std::size_t bytes_transferred = write(s,
+      ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
+  asio::detail::throw_error(ec, "write");
+  return bytes_transferred;
+}
 
 namespace detail
 {
@@ -215,7 +283,7 @@ namespace detail
   {
   public:
     write_op(AsyncWriteStream& stream, const ConstBufferSequence& buffers,
-        CompletionCondition completion_condition, WriteHandler& handler)
+        CompletionCondition& completion_condition, WriteHandler& handler)
       : detail::base_from_completion_cond<
           CompletionCondition>(completion_condition),
         stream_(stream),
@@ -236,9 +304,11 @@ namespace detail
     }
 
     write_op(write_op&& other)
-      : detail::base_from_completion_cond<CompletionCondition>(other),
+      : detail::base_from_completion_cond<CompletionCondition>(
+          ASIO_MOVE_CAST(detail::base_from_completion_cond<
+            CompletionCondition>)(other)),
         stream_(other.stream_),
-        buffers_(other.buffers_),
+        buffers_(ASIO_MOVE_CAST(buffers_type)(other.buffers_)),
         start_(other.start_),
         handler_(ASIO_MOVE_CAST(WriteHandler)(other.handler_))
     {
@@ -269,9 +339,11 @@ namespace detail
     }
 
   //private:
+    typedef asio::detail::consuming_buffers<const_buffer,
+        ConstBufferSequence, ConstBufferIterator> buffers_type;
+
     AsyncWriteStream& stream_;
-    asio::detail::consuming_buffers<const_buffer,
-        ConstBufferSequence, ConstBufferIterator> buffers_;
+    buffers_type buffers_;
     int start_;
     WriteHandler handler_;
   };
@@ -337,7 +409,7 @@ namespace detail
       typename WriteHandler>
   inline void start_write_buffer_sequence_op(AsyncWriteStream& stream,
       const ConstBufferSequence& buffers, const ConstBufferIterator&,
-      CompletionCondition completion_condition, WriteHandler& handler)
+      CompletionCondition& completion_condition, WriteHandler& handler)
   {
     detail::write_op<AsyncWriteStream, ConstBufferSequence,
       ConstBufferIterator, CompletionCondition, WriteHandler>(
@@ -345,6 +417,25 @@ namespace detail
           asio::error_code(), 0, 1);
   }
 
+  struct initiate_async_write_buffer_sequence
+  {
+    template <typename WriteHandler, typename AsyncWriteStream,
+        typename ConstBufferSequence, typename CompletionCondition>
+    void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
+        AsyncWriteStream* s, const ConstBufferSequence& buffers,
+        ASIO_MOVE_ARG(CompletionCondition) completion_cond) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WriteHandler.
+      ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
+
+      non_const_lvalue<WriteHandler> handler2(handler);
+      non_const_lvalue<CompletionCondition> completion_cond2(completion_cond);
+      start_write_buffer_sequence_op(*s, buffers,
+          asio::buffer_sequence_begin(buffers),
+          completion_cond2.value, handler2.value);
+    }
+  };
 } // namespace detail
 
 #if !defined(GENERATING_DOCUMENTATION)
@@ -400,18 +491,10 @@ async_write(AsyncWriteStream& s, const ConstBufferSequence& buffers,
       is_const_buffer_sequence<ConstBufferSequence>::value
     >::type*)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a WriteHandler.
-  ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-  async_completion<WriteHandler,
-    void (asio::error_code, std::size_t)> init(handler);
-
-  detail::start_write_buffer_sequence_op(s, buffers,
-      asio::buffer_sequence_begin(buffers), completion_condition,
-      init.completion_handler);
-
-  return init.result.get();
+  return async_initiate<WriteHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_write_buffer_sequence(), handler, &s, buffers,
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
 }
 
 template <typename AsyncWriteStream, typename ConstBufferSequence,
@@ -424,31 +507,25 @@ async_write(AsyncWriteStream& s, const ConstBufferSequence& buffers,
       is_const_buffer_sequence<ConstBufferSequence>::value
     >::type*)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a WriteHandler.
-  ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-  async_completion<WriteHandler,
-    void (asio::error_code, std::size_t)> init(handler);
-
-  detail::start_write_buffer_sequence_op(s, buffers,
-      asio::buffer_sequence_begin(buffers), transfer_all(),
-      init.completion_handler);
-
-  return init.result.get();
+  return async_initiate<WriteHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_write_buffer_sequence(),
+      handler, &s, buffers, transfer_all());
 }
 
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
 namespace detail
 {
-  template <typename AsyncWriteStream, typename DynamicBuffer,
+  template <typename AsyncWriteStream, typename DynamicBuffer_v1,
       typename CompletionCondition, typename WriteHandler>
-  class write_dynbuf_op
+  class write_dynbuf_v1_op
   {
   public:
     template <typename BufferSequence>
-    write_dynbuf_op(AsyncWriteStream& stream,
+    write_dynbuf_v1_op(AsyncWriteStream& stream,
         ASIO_MOVE_ARG(BufferSequence) buffers,
-        CompletionCondition completion_condition, WriteHandler& handler)
+        CompletionCondition& completion_condition, WriteHandler& handler)
       : stream_(stream),
         buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)),
         completion_condition_(
@@ -458,7 +535,7 @@ namespace detail
     }
 
 #if defined(ASIO_HAS_MOVE)
-    write_dynbuf_op(const write_dynbuf_op& other)
+    write_dynbuf_v1_op(const write_dynbuf_v1_op& other)
       : stream_(other.stream_),
         buffers_(other.buffers_),
         completion_condition_(other.completion_condition_),
@@ -466,9 +543,9 @@ namespace detail
     {
     }
 
-    write_dynbuf_op(write_dynbuf_op&& other)
+    write_dynbuf_v1_op(write_dynbuf_v1_op&& other)
       : stream_(other.stream_),
-        buffers_(ASIO_MOVE_CAST(DynamicBuffer)(other.buffers_)),
+        buffers_(ASIO_MOVE_CAST(DynamicBuffer_v1)(other.buffers_)),
         completion_condition_(
           ASIO_MOVE_CAST(CompletionCondition)(
             other.completion_condition_)),
@@ -483,8 +560,9 @@ namespace detail
       switch (start)
       {
         case 1:
-        async_write(stream_, buffers_.data(), completion_condition_,
-            ASIO_MOVE_CAST(write_dynbuf_op)(*this));
+        async_write(stream_, buffers_.data(),
+            ASIO_MOVE_CAST(CompletionCondition)(completion_condition_),
+            ASIO_MOVE_CAST(write_dynbuf_v1_op)(*this));
         return; default:
         buffers_.consume(bytes_transferred);
         handler_(ec, static_cast<const std::size_t&>(bytes_transferred));
@@ -493,35 +571,35 @@ namespace detail
 
   //private:
     AsyncWriteStream& stream_;
-    DynamicBuffer buffers_;
+    DynamicBuffer_v1 buffers_;
     CompletionCondition completion_condition_;
     WriteHandler handler_;
   };
 
-  template <typename AsyncWriteStream, typename DynamicBuffer,
+  template <typename AsyncWriteStream, typename DynamicBuffer_v1,
       typename CompletionCondition, typename WriteHandler>
   inline void* asio_handler_allocate(std::size_t size,
-      write_dynbuf_op<AsyncWriteStream, DynamicBuffer,
+      write_dynbuf_v1_op<AsyncWriteStream, DynamicBuffer_v1,
         CompletionCondition, WriteHandler>* this_handler)
   {
     return asio_handler_alloc_helpers::allocate(
         size, this_handler->handler_);
   }
 
-  template <typename AsyncWriteStream, typename DynamicBuffer,
+  template <typename AsyncWriteStream, typename DynamicBuffer_v1,
       typename CompletionCondition, typename WriteHandler>
   inline void asio_handler_deallocate(void* pointer, std::size_t size,
-      write_dynbuf_op<AsyncWriteStream, DynamicBuffer,
+      write_dynbuf_v1_op<AsyncWriteStream, DynamicBuffer_v1,
         CompletionCondition, WriteHandler>* this_handler)
   {
     asio_handler_alloc_helpers::deallocate(
         pointer, size, this_handler->handler_);
   }
 
-  template <typename AsyncWriteStream, typename DynamicBuffer,
+  template <typename AsyncWriteStream, typename DynamicBuffer_v1,
       typename CompletionCondition, typename WriteHandler>
   inline bool asio_handler_is_continuation(
-      write_dynbuf_op<AsyncWriteStream, DynamicBuffer,
+      write_dynbuf_v1_op<AsyncWriteStream, DynamicBuffer_v1,
         CompletionCondition, WriteHandler>* this_handler)
   {
     return asio_handler_cont_helpers::is_continuation(
@@ -529,10 +607,10 @@ namespace detail
   }
 
   template <typename Function, typename AsyncWriteStream,
-      typename DynamicBuffer, typename CompletionCondition,
+      typename DynamicBuffer_v1, typename CompletionCondition,
       typename WriteHandler>
   inline void asio_handler_invoke(Function& function,
-      write_dynbuf_op<AsyncWriteStream, DynamicBuffer,
+      write_dynbuf_v1_op<AsyncWriteStream, DynamicBuffer_v1,
         CompletionCondition, WriteHandler>* this_handler)
   {
     asio_handler_invoke_helpers::invoke(
@@ -540,49 +618,72 @@ namespace detail
   }
 
   template <typename Function, typename AsyncWriteStream,
-      typename DynamicBuffer, typename CompletionCondition,
+      typename DynamicBuffer_v1, typename CompletionCondition,
       typename WriteHandler>
   inline void asio_handler_invoke(const Function& function,
-      write_dynbuf_op<AsyncWriteStream, DynamicBuffer,
+      write_dynbuf_v1_op<AsyncWriteStream, DynamicBuffer_v1,
         CompletionCondition, WriteHandler>* this_handler)
   {
     asio_handler_invoke_helpers::invoke(
         function, this_handler->handler_);
   }
+
+  struct initiate_async_write_dynbuf_v1
+  {
+    template <typename WriteHandler, typename AsyncWriteStream,
+        typename DynamicBuffer_v1, typename CompletionCondition>
+    void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
+        AsyncWriteStream* s, ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+        ASIO_MOVE_ARG(CompletionCondition) completion_cond) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WriteHandler.
+      ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
+
+      non_const_lvalue<WriteHandler> handler2(handler);
+      non_const_lvalue<CompletionCondition> completion_cond2(completion_cond);
+      write_dynbuf_v1_op<AsyncWriteStream,
+        typename decay<DynamicBuffer_v1>::type,
+          CompletionCondition, typename decay<WriteHandler>::type>(
+            *s, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+              completion_cond2.value, handler2.value)(
+                asio::error_code(), 0, 1);
+    }
+  };
 } // namespace detail
 
 #if !defined(GENERATING_DOCUMENTATION)
 
-template <typename AsyncWriteStream, typename DynamicBuffer,
+template <typename AsyncWriteStream, typename DynamicBuffer_v1,
     typename CompletionCondition, typename WriteHandler, typename Allocator>
 struct associated_allocator<
-    detail::write_dynbuf_op<AsyncWriteStream,
-      DynamicBuffer, CompletionCondition, WriteHandler>,
+    detail::write_dynbuf_v1_op<AsyncWriteStream,
+      DynamicBuffer_v1, CompletionCondition, WriteHandler>,
     Allocator>
 {
   typedef typename associated_allocator<WriteHandler, Allocator>::type type;
 
   static type get(
-      const detail::write_dynbuf_op<AsyncWriteStream,
-        DynamicBuffer, CompletionCondition, WriteHandler>& h,
+      const detail::write_dynbuf_v1_op<AsyncWriteStream,
+        DynamicBuffer_v1, CompletionCondition, WriteHandler>& h,
       const Allocator& a = Allocator()) ASIO_NOEXCEPT
   {
     return associated_allocator<WriteHandler, Allocator>::get(h.handler_, a);
   }
 };
 
-template <typename AsyncWriteStream, typename DynamicBuffer,
+template <typename AsyncWriteStream, typename DynamicBuffer_v1,
     typename CompletionCondition, typename WriteHandler, typename Executor>
 struct associated_executor<
-    detail::write_dynbuf_op<AsyncWriteStream,
-      DynamicBuffer, CompletionCondition, WriteHandler>,
+    detail::write_dynbuf_v1_op<AsyncWriteStream,
+      DynamicBuffer_v1, CompletionCondition, WriteHandler>,
     Executor>
 {
   typedef typename associated_executor<WriteHandler, Executor>::type type;
 
   static type get(
-      const detail::write_dynbuf_op<AsyncWriteStream,
-        DynamicBuffer, CompletionCondition, WriteHandler>& h,
+      const detail::write_dynbuf_v1_op<AsyncWriteStream,
+        DynamicBuffer_v1, CompletionCondition, WriteHandler>& h,
       const Executor& ex = Executor()) ASIO_NOEXCEPT
   {
     return associated_executor<WriteHandler, Executor>::get(h.handler_, ex);
@@ -592,49 +693,40 @@ struct associated_executor<
 #endif // !defined(GENERATING_DOCUMENTATION)
 
 template <typename AsyncWriteStream,
-    typename DynamicBuffer, typename WriteHandler>
+    typename DynamicBuffer_v1, typename WriteHandler>
 inline ASIO_INITFN_RESULT_TYPE(WriteHandler,
     void (asio::error_code, std::size_t))
 async_write(AsyncWriteStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     ASIO_MOVE_ARG(WriteHandler) handler,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
     >::type*)
 {
   return async_write(s,
-      ASIO_MOVE_CAST(DynamicBuffer)(buffers),
+      ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
       transfer_all(), ASIO_MOVE_CAST(WriteHandler)(handler));
 }
 
-template <typename AsyncWriteStream, typename DynamicBuffer,
+template <typename AsyncWriteStream, typename DynamicBuffer_v1,
     typename CompletionCondition, typename WriteHandler>
 inline ASIO_INITFN_RESULT_TYPE(WriteHandler,
     void (asio::error_code, std::size_t))
 async_write(AsyncWriteStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     CompletionCondition completion_condition,
     ASIO_MOVE_ARG(WriteHandler) handler,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
     >::type*)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a WriteHandler.
-  ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-  async_completion<WriteHandler,
-    void (asio::error_code, std::size_t)> init(handler);
-
-  detail::write_dynbuf_op<AsyncWriteStream,
-    typename decay<DynamicBuffer>::type,
-      CompletionCondition, ASIO_HANDLER_TYPE(
-        WriteHandler, void (asio::error_code, std::size_t))>(
-          s, ASIO_MOVE_CAST(DynamicBuffer)(buffers),
-            completion_condition, init.completion_handler)(
-              asio::error_code(), 0, 1);
-
-  return init.result.get();
+  return async_initiate<WriteHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_write_dynbuf_v1(), handler, &s,
+      ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
 }
 
 #if !defined(ASIO_NO_EXTENSIONS)
@@ -661,11 +753,223 @@ async_write(AsyncWriteStream& s,
     ASIO_MOVE_ARG(WriteHandler) handler)
 {
   return async_write(s, basic_streambuf_ref<Allocator>(b),
-      completion_condition, ASIO_MOVE_CAST(WriteHandler)(handler));
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition),
+      ASIO_MOVE_CAST(WriteHandler)(handler));
 }
 
 #endif // !defined(ASIO_NO_IOSTREAM)
 #endif // !defined(ASIO_NO_EXTENSIONS)
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
+namespace detail
+{
+  template <typename AsyncWriteStream, typename DynamicBuffer_v2,
+      typename CompletionCondition, typename WriteHandler>
+  class write_dynbuf_v2_op
+  {
+  public:
+    template <typename BufferSequence>
+    write_dynbuf_v2_op(AsyncWriteStream& stream,
+        ASIO_MOVE_ARG(BufferSequence) buffers,
+        CompletionCondition& completion_condition, WriteHandler& handler)
+      : stream_(stream),
+        buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)),
+        completion_condition_(
+          ASIO_MOVE_CAST(CompletionCondition)(completion_condition)),
+        handler_(ASIO_MOVE_CAST(WriteHandler)(handler))
+    {
+    }
+
+#if defined(ASIO_HAS_MOVE)
+    write_dynbuf_v2_op(const write_dynbuf_v2_op& other)
+      : stream_(other.stream_),
+        buffers_(other.buffers_),
+        completion_condition_(other.completion_condition_),
+        handler_(other.handler_)
+    {
+    }
+
+    write_dynbuf_v2_op(write_dynbuf_v2_op&& other)
+      : stream_(other.stream_),
+        buffers_(ASIO_MOVE_CAST(DynamicBuffer_v2)(other.buffers_)),
+        completion_condition_(
+          ASIO_MOVE_CAST(CompletionCondition)(
+            other.completion_condition_)),
+        handler_(ASIO_MOVE_CAST(WriteHandler)(other.handler_))
+    {
+    }
+#endif // defined(ASIO_HAS_MOVE)
+
+    void operator()(const asio::error_code& ec,
+        std::size_t bytes_transferred, int start = 0)
+    {
+      switch (start)
+      {
+        case 1:
+        async_write(stream_, buffers_.data(0, buffers_.size()),
+            ASIO_MOVE_CAST(CompletionCondition)(completion_condition_),
+            ASIO_MOVE_CAST(write_dynbuf_v2_op)(*this));
+        return; default:
+        buffers_.consume(bytes_transferred);
+        handler_(ec, static_cast<const std::size_t&>(bytes_transferred));
+      }
+    }
+
+  //private:
+    AsyncWriteStream& stream_;
+    DynamicBuffer_v2 buffers_;
+    CompletionCondition completion_condition_;
+    WriteHandler handler_;
+  };
+
+  template <typename AsyncWriteStream, typename DynamicBuffer_v2,
+      typename CompletionCondition, typename WriteHandler>
+  inline void* asio_handler_allocate(std::size_t size,
+      write_dynbuf_v2_op<AsyncWriteStream, DynamicBuffer_v2,
+        CompletionCondition, WriteHandler>* this_handler)
+  {
+    return asio_handler_alloc_helpers::allocate(
+        size, this_handler->handler_);
+  }
+
+  template <typename AsyncWriteStream, typename DynamicBuffer_v2,
+      typename CompletionCondition, typename WriteHandler>
+  inline void asio_handler_deallocate(void* pointer, std::size_t size,
+      write_dynbuf_v2_op<AsyncWriteStream, DynamicBuffer_v2,
+        CompletionCondition, WriteHandler>* this_handler)
+  {
+    asio_handler_alloc_helpers::deallocate(
+        pointer, size, this_handler->handler_);
+  }
+
+  template <typename AsyncWriteStream, typename DynamicBuffer_v2,
+      typename CompletionCondition, typename WriteHandler>
+  inline bool asio_handler_is_continuation(
+      write_dynbuf_v2_op<AsyncWriteStream, DynamicBuffer_v2,
+        CompletionCondition, WriteHandler>* this_handler)
+  {
+    return asio_handler_cont_helpers::is_continuation(
+        this_handler->handler_);
+  }
+
+  template <typename Function, typename AsyncWriteStream,
+      typename DynamicBuffer_v2, typename CompletionCondition,
+      typename WriteHandler>
+  inline void asio_handler_invoke(Function& function,
+      write_dynbuf_v2_op<AsyncWriteStream, DynamicBuffer_v2,
+        CompletionCondition, WriteHandler>* this_handler)
+  {
+    asio_handler_invoke_helpers::invoke(
+        function, this_handler->handler_);
+  }
+
+  template <typename Function, typename AsyncWriteStream,
+      typename DynamicBuffer_v2, typename CompletionCondition,
+      typename WriteHandler>
+  inline void asio_handler_invoke(const Function& function,
+      write_dynbuf_v2_op<AsyncWriteStream, DynamicBuffer_v2,
+        CompletionCondition, WriteHandler>* this_handler)
+  {
+    asio_handler_invoke_helpers::invoke(
+        function, this_handler->handler_);
+  }
+
+  struct initiate_async_write_dynbuf_v2
+  {
+    template <typename WriteHandler, typename AsyncWriteStream,
+        typename DynamicBuffer_v2, typename CompletionCondition>
+    void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
+        AsyncWriteStream* s, ASIO_MOVE_ARG(DynamicBuffer_v2) buffers,
+        ASIO_MOVE_ARG(CompletionCondition) completion_cond) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WriteHandler.
+      ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
+
+      non_const_lvalue<WriteHandler> handler2(handler);
+      non_const_lvalue<CompletionCondition> completion_cond2(completion_cond);
+      write_dynbuf_v2_op<AsyncWriteStream,
+        typename decay<DynamicBuffer_v2>::type,
+          CompletionCondition, typename decay<WriteHandler>::type>(
+            *s, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+              completion_cond2.value, handler2.value)(
+                asio::error_code(), 0, 1);
+    }
+  };
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncWriteStream, typename DynamicBuffer_v2,
+    typename CompletionCondition, typename WriteHandler, typename Allocator>
+struct associated_allocator<
+    detail::write_dynbuf_v2_op<AsyncWriteStream,
+      DynamicBuffer_v2, CompletionCondition, WriteHandler>,
+    Allocator>
+{
+  typedef typename associated_allocator<WriteHandler, Allocator>::type type;
+
+  static type get(
+      const detail::write_dynbuf_v2_op<AsyncWriteStream,
+        DynamicBuffer_v2, CompletionCondition, WriteHandler>& h,
+      const Allocator& a = Allocator()) ASIO_NOEXCEPT
+  {
+    return associated_allocator<WriteHandler, Allocator>::get(h.handler_, a);
+  }
+};
+
+template <typename AsyncWriteStream, typename DynamicBuffer_v2,
+    typename CompletionCondition, typename WriteHandler, typename Executor>
+struct associated_executor<
+    detail::write_dynbuf_v2_op<AsyncWriteStream,
+      DynamicBuffer_v2, CompletionCondition, WriteHandler>,
+    Executor>
+{
+  typedef typename associated_executor<WriteHandler, Executor>::type type;
+
+  static type get(
+      const detail::write_dynbuf_v2_op<AsyncWriteStream,
+        DynamicBuffer_v2, CompletionCondition, WriteHandler>& h,
+      const Executor& ex = Executor()) ASIO_NOEXCEPT
+  {
+    return associated_executor<WriteHandler, Executor>::get(h.handler_, ex);
+  }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncWriteStream,
+    typename DynamicBuffer_v2, typename WriteHandler>
+inline ASIO_INITFN_RESULT_TYPE(WriteHandler,
+    void (asio::error_code, std::size_t))
+async_write(AsyncWriteStream& s, DynamicBuffer_v2 buffers,
+    ASIO_MOVE_ARG(WriteHandler) handler,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type*)
+{
+  return async_write(s,
+      ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+      transfer_all(), ASIO_MOVE_CAST(WriteHandler)(handler));
+}
+
+template <typename AsyncWriteStream, typename DynamicBuffer_v2,
+    typename CompletionCondition, typename WriteHandler>
+inline ASIO_INITFN_RESULT_TYPE(WriteHandler,
+    void (asio::error_code, std::size_t))
+async_write(AsyncWriteStream& s, DynamicBuffer_v2 buffers,
+    CompletionCondition completion_condition,
+    ASIO_MOVE_ARG(WriteHandler) handler,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type*)
+{
+  return async_initiate<WriteHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_write_dynbuf_v2(), handler, &s,
+      ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
+}
 
 } // namespace asio
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/write_at.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/write_at.hpp
index b79fe24..7b1ef5d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/write_at.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/impl/write_at.hpp
@@ -2,7 +2,7 @@
 // impl/write_at.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -28,6 +28,7 @@
 #include "asio/detail/handler_cont_helpers.hpp"
 #include "asio/detail/handler_invoke_helpers.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
 #include "asio/detail/throw_error.hpp"
 
 #include "asio/detail/push_options.hpp"
@@ -68,7 +69,8 @@ std::size_t write_at(SyncRandomAccessWriteDevice& d,
     CompletionCondition completion_condition, asio::error_code& ec)
 {
   return detail::write_at_buffer_sequence(d, offset, buffers,
-      asio::buffer_sequence_begin(buffers), completion_condition, ec);
+      asio::buffer_sequence_begin(buffers),
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
 }
 
 template <typename SyncRandomAccessWriteDevice, typename ConstBufferSequence>
@@ -97,8 +99,8 @@ inline std::size_t write_at(SyncRandomAccessWriteDevice& d,
     CompletionCondition completion_condition)
 {
   asio::error_code ec;
-  std::size_t bytes_transferred = write_at(
-      d, offset, buffers, completion_condition, ec);
+  std::size_t bytes_transferred = write_at(d, offset, buffers,
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
   asio::detail::throw_error(ec, "write_at");
   return bytes_transferred;
 }
@@ -112,8 +114,8 @@ std::size_t write_at(SyncRandomAccessWriteDevice& d,
     uint64_t offset, asio::basic_streambuf<Allocator>& b,
     CompletionCondition completion_condition, asio::error_code& ec)
 {
-  std::size_t bytes_transferred = write_at(
-      d, offset, b.data(), completion_condition, ec);
+  std::size_t bytes_transferred = write_at(d, offset, b.data(),
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
   b.consume(bytes_transferred);
   return bytes_transferred;
 }
@@ -143,8 +145,8 @@ inline std::size_t write_at(SyncRandomAccessWriteDevice& d,
     CompletionCondition completion_condition)
 {
   asio::error_code ec;
-  std::size_t bytes_transferred = write_at(
-      d, offset, b, completion_condition, ec);
+  std::size_t bytes_transferred = write_at(d, offset, b,
+      ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
   asio::detail::throw_error(ec, "write_at");
   return bytes_transferred;
 }
@@ -163,7 +165,7 @@ namespace detail
   public:
     write_at_op(AsyncRandomAccessWriteDevice& device,
         uint64_t offset, const ConstBufferSequence& buffers,
-        CompletionCondition completion_condition, WriteHandler& handler)
+        CompletionCondition& completion_condition, WriteHandler& handler)
       : detail::base_from_completion_cond<
           CompletionCondition>(completion_condition),
         device_(device),
@@ -186,10 +188,12 @@ namespace detail
     }
 
     write_at_op(write_at_op&& other)
-      : detail::base_from_completion_cond<CompletionCondition>(other),
+      : detail::base_from_completion_cond<CompletionCondition>(
+          ASIO_MOVE_CAST(detail::base_from_completion_cond<
+            CompletionCondition>)(other)),
         device_(other.device_),
         offset_(other.offset_),
-        buffers_(other.buffers_),
+        buffers_(ASIO_MOVE_CAST(buffers_type)(other.buffers_)),
         start_(other.start_),
         handler_(ASIO_MOVE_CAST(WriteHandler)(other.handler_))
     {
@@ -221,10 +225,12 @@ namespace detail
     }
 
   //private:
+    typedef asio::detail::consuming_buffers<const_buffer,
+        ConstBufferSequence, ConstBufferIterator> buffers_type;
+
     AsyncRandomAccessWriteDevice& device_;
     uint64_t offset_;
-    asio::detail::consuming_buffers<const_buffer,
-        ConstBufferSequence, ConstBufferIterator> buffers_;
+    buffers_type buffers_;
     int start_;
     WriteHandler handler_;
   };
@@ -290,7 +296,7 @@ namespace detail
       typename CompletionCondition, typename WriteHandler>
   inline void start_write_at_buffer_sequence_op(AsyncRandomAccessWriteDevice& d,
       uint64_t offset, const ConstBufferSequence& buffers,
-      const ConstBufferIterator&, CompletionCondition completion_condition,
+      const ConstBufferIterator&, CompletionCondition& completion_condition,
       WriteHandler& handler)
   {
     detail::write_at_op<AsyncRandomAccessWriteDevice, ConstBufferSequence,
@@ -298,6 +304,27 @@ namespace detail
         d, offset, buffers, completion_condition, handler)(
           asio::error_code(), 0, 1);
   }
+
+  struct initiate_async_write_at_buffer_sequence
+  {
+    template <typename WriteHandler, typename AsyncRandomAccessWriteDevice,
+        typename ConstBufferSequence, typename CompletionCondition>
+    void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
+        AsyncRandomAccessWriteDevice* d, uint64_t offset,
+        const ConstBufferSequence& buffers,
+        ASIO_MOVE_ARG(CompletionCondition) completion_cond) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WriteHandler.
+      ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
+
+      non_const_lvalue<WriteHandler> handler2(handler);
+      non_const_lvalue<CompletionCondition> completion_cond2(completion_cond);
+      start_write_at_buffer_sequence_op(*d, offset, buffers,
+          asio::buffer_sequence_begin(buffers),
+          completion_cond2.value, handler2.value);
+    }
+  };
 } // namespace detail
 
 #if !defined(GENERATING_DOCUMENTATION)
@@ -353,18 +380,10 @@ async_write_at(AsyncRandomAccessWriteDevice& d,
     CompletionCondition completion_condition,
     ASIO_MOVE_ARG(WriteHandler) handler)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a WriteHandler.
-  ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-  async_completion<WriteHandler,
-    void (asio::error_code, std::size_t)> init(handler);
-
-  detail::start_write_at_buffer_sequence_op(d, offset, buffers,
-      asio::buffer_sequence_begin(buffers), completion_condition,
-      init.completion_handler);
-
-  return init.result.get();
+  return async_initiate<WriteHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_write_at_buffer_sequence(), handler, &d, offset,
+      buffers, ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
 }
 
 template <typename AsyncRandomAccessWriteDevice, typename ConstBufferSequence,
@@ -375,18 +394,10 @@ async_write_at(AsyncRandomAccessWriteDevice& d,
     uint64_t offset, const ConstBufferSequence& buffers,
     ASIO_MOVE_ARG(WriteHandler) handler)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a WriteHandler.
-  ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-  async_completion<WriteHandler,
-    void (asio::error_code, std::size_t)> init(handler);
-
-  detail::start_write_at_buffer_sequence_op(d, offset, buffers,
-      asio::buffer_sequence_begin(buffers), transfer_all(),
-      init.completion_handler);
-
-  return init.result.get();
+  return async_initiate<WriteHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_write_at_buffer_sequence(),
+      handler, &d, offset, buffers, transfer_all());
 }
 
 #if !defined(ASIO_NO_EXTENSIONS)
@@ -472,13 +483,26 @@ namespace detail
         function, this_handler->handler_);
   }
 
-  template <typename Allocator, typename WriteHandler>
-  inline write_at_streambuf_op<Allocator, WriteHandler>
-  make_write_at_streambuf_op(
-      asio::basic_streambuf<Allocator>& b, WriteHandler handler)
+  struct initiate_async_write_at_streambuf
   {
-    return write_at_streambuf_op<Allocator, WriteHandler>(b, handler);
-  }
+    template <typename WriteHandler, typename AsyncRandomAccessWriteDevice,
+        typename Allocator, typename CompletionCondition>
+    void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
+        AsyncRandomAccessWriteDevice* d, uint64_t offset,
+        basic_streambuf<Allocator>* b,
+        ASIO_MOVE_ARG(CompletionCondition) completion_condition) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WriteHandler.
+      ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
+
+      non_const_lvalue<WriteHandler> handler2(handler);
+      async_write_at(*d, offset, b->data(),
+          ASIO_MOVE_CAST(CompletionCondition)(completion_condition),
+          write_at_streambuf_op<Allocator, typename decay<WriteHandler>::type>(
+            *b, handler2.value));
+    }
+  };
 } // namespace detail
 
 #if !defined(GENERATING_DOCUMENTATION)
@@ -524,19 +548,10 @@ async_write_at(AsyncRandomAccessWriteDevice& d,
     CompletionCondition completion_condition,
     ASIO_MOVE_ARG(WriteHandler) handler)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a WriteHandler.
-  ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-  async_completion<WriteHandler,
-    void (asio::error_code, std::size_t)> init(handler);
-
-  async_write_at(d, offset, b.data(), completion_condition,
-    detail::write_at_streambuf_op<Allocator, ASIO_HANDLER_TYPE(
-      WriteHandler, void (asio::error_code, std::size_t))>(
-        b, init.completion_handler));
-
-  return init.result.get();
+  return async_initiate<WriteHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_write_at_streambuf(), handler, &d, offset,
+      &b, ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
 }
 
 template <typename AsyncRandomAccessWriteDevice, typename Allocator,
@@ -547,19 +562,10 @@ async_write_at(AsyncRandomAccessWriteDevice& d,
     uint64_t offset, asio::basic_streambuf<Allocator>& b,
     ASIO_MOVE_ARG(WriteHandler) handler)
 {
-  // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a WriteHandler.
-  ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-  async_completion<WriteHandler,
-    void (asio::error_code, std::size_t)> init(handler);
-
-  async_write_at(d, offset, b.data(), transfer_all(),
-    detail::write_at_streambuf_op<Allocator, ASIO_HANDLER_TYPE(
-      WriteHandler, void (asio::error_code, std::size_t))>(
-        b, init.completion_handler));
-
-  return init.result.get();
+  return async_initiate<WriteHandler,
+    void (asio::error_code, std::size_t)>(
+      detail::initiate_async_write_at_streambuf(),
+      handler, &d, offset, &b, transfer_all());
 }
 
 #endif // !defined(ASIO_NO_IOSTREAM)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/io_context.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/io_context.hpp
index 6f1c0b4..f0a82e1 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/io_context.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/io_context.hpp
@@ -2,7 +2,7 @@
 // io_context.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -531,9 +531,9 @@ public:
    *
    * throws an exception.
    */
-  template <typename CompletionHandler>
-  ASIO_INITFN_RESULT_TYPE(CompletionHandler, void ())
-  dispatch(ASIO_MOVE_ARG(CompletionHandler) handler);
+  template <typename LegacyCompletionHandler>
+  ASIO_INITFN_RESULT_TYPE(LegacyCompletionHandler, void ())
+  dispatch(ASIO_MOVE_ARG(LegacyCompletionHandler) handler);
 
   /// (Deprecated: Use asio::post().) Request the io_context to invoke
   /// the given handler and return immediately.
@@ -558,9 +558,9 @@ public:
    *
    * throws an exception.
    */
-  template <typename CompletionHandler>
-  ASIO_INITFN_RESULT_TYPE(CompletionHandler, void ())
-  post(ASIO_MOVE_ARG(CompletionHandler) handler);
+  template <typename LegacyCompletionHandler>
+  ASIO_INITFN_RESULT_TYPE(LegacyCompletionHandler, void ())
+  post(ASIO_MOVE_ARG(LegacyCompletionHandler) handler);
 
   /// (Deprecated: Use asio::bind_executor().) Create a new handler that
   /// automatically dispatches the wrapped handler on the io_context.
@@ -594,6 +594,11 @@ public:
 #endif // !defined(ASIO_NO_DEPRECATED)
 
 private:
+#if !defined(ASIO_NO_DEPRECATED)
+  struct initiate_dispatch;
+  struct initiate_post;
+#endif // !defined(ASIO_NO_DEPRECATED)
+
   // Helper function to add the implementation.
   ASIO_DECL impl_type& add_impl(impl_type* impl);
 
@@ -768,10 +773,6 @@ public:
   /// Get the io_context associated with the work.
   asio::io_context& get_io_context();
 
-  /// (Deprecated: Use get_io_context().) Get the io_context associated with the
-  /// work.
-  asio::io_context& get_io_service();
-
 private:
   // Prevent assignment.
   void operator=(const work& other);
@@ -789,11 +790,6 @@ public:
   /// Get the io_context object that owns the service.
   asio::io_context& get_io_context();
 
-#if !defined(ASIO_NO_DEPRECATED)
-  /// Get the io_context object that owns the service.
-  asio::io_context& get_io_service();
-#endif // !defined(ASIO_NO_DEPRECATED)
-
 private:
   /// Destroy all user-defined handler objects owned by the service.
   ASIO_DECL virtual void shutdown();
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/io_context_strand.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/io_context_strand.hpp
index 052990b..16c39d5 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/io_context_strand.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/io_context_strand.hpp
@@ -2,7 +2,7 @@
 // io_context_strand.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -113,36 +113,6 @@ public:
   {
   }
 
-#if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated: Use context().) Get the io_context associated with the
-  /// strand.
-  /**
-   * This function may be used to obtain the io_context object that the strand
-   * uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the strand will use to
-   * dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_context()
-  {
-    return service_.get_io_context();
-  }
-
-  /// (Deprecated: Use context().) Get the io_context associated with the
-  /// strand.
-  /**
-   * This function may be used to obtain the io_context object that the strand
-   * uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the strand will use to
-   * dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_service()
-  {
-    return service_.get_io_context();
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
   /// Obtain the underlying execution context.
   asio::io_context& context() const ASIO_NOEXCEPT
   {
@@ -211,19 +181,12 @@ public:
    * handler object as required. The function signature of the handler must be:
    * @code void handler(); @endcode
    */
-  template <typename CompletionHandler>
-  ASIO_INITFN_RESULT_TYPE(CompletionHandler, void ())
-  dispatch(ASIO_MOVE_ARG(CompletionHandler) handler)
+  template <typename LegacyCompletionHandler>
+  ASIO_INITFN_RESULT_TYPE(LegacyCompletionHandler, void ())
+  dispatch(ASIO_MOVE_ARG(LegacyCompletionHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a CompletionHandler.
-    ASIO_COMPLETION_HANDLER_CHECK(CompletionHandler, handler) type_check;
-
-    async_completion<CompletionHandler, void ()> init(handler);
-
-    service_.dispatch(impl_, init.completion_handler);
-
-    return init.result.get();
+    return async_initiate<LegacyCompletionHandler, void ()>(
+        initiate_dispatch(), handler, this);
   }
 #endif // !defined(ASIO_NO_DEPRECATED)
 
@@ -265,19 +228,12 @@ public:
    * handler object as required. The function signature of the handler must be:
    * @code void handler(); @endcode
    */
-  template <typename CompletionHandler>
-  ASIO_INITFN_RESULT_TYPE(CompletionHandler, void ())
-  post(ASIO_MOVE_ARG(CompletionHandler) handler)
+  template <typename LegacyCompletionHandler>
+  ASIO_INITFN_RESULT_TYPE(LegacyCompletionHandler, void ())
+  post(ASIO_MOVE_ARG(LegacyCompletionHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a CompletionHandler.
-    ASIO_COMPLETION_HANDLER_CHECK(CompletionHandler, handler) type_check;
-
-    async_completion<CompletionHandler, void ()> init(handler);
-
-    service_.post(impl_, init.completion_handler);
-
-    return init.result.get();
+    return async_initiate<LegacyCompletionHandler, void ()>(
+        initiate_post(), handler, this);
   }
 #endif // !defined(ASIO_NO_DEPRECATED)
 
@@ -369,6 +325,42 @@ public:
   }
 
 private:
+#if !defined(ASIO_NO_DEPRECATED)
+  struct initiate_dispatch
+  {
+    template <typename LegacyCompletionHandler>
+    void operator()(ASIO_MOVE_ARG(LegacyCompletionHandler) handler,
+        strand* self) const
+    {
+      // If you get an error on the following line it means that your
+      // handler does not meet the documented type requirements for a
+      // LegacyCompletionHandler.
+      ASIO_LEGACY_COMPLETION_HANDLER_CHECK(
+          LegacyCompletionHandler, handler) type_check;
+
+      detail::non_const_lvalue<LegacyCompletionHandler> handler2(handler);
+      self->service_.dispatch(self->impl_, handler2.value);
+    }
+  };
+
+  struct initiate_post
+  {
+    template <typename LegacyCompletionHandler>
+    void operator()(ASIO_MOVE_ARG(LegacyCompletionHandler) handler,
+        strand* self) const
+    {
+      // If you get an error on the following line it means that your
+      // handler does not meet the documented type requirements for a
+      // LegacyCompletionHandler.
+      ASIO_LEGACY_COMPLETION_HANDLER_CHECK(
+          LegacyCompletionHandler, handler) type_check;
+
+      detail::non_const_lvalue<LegacyCompletionHandler> handler2(handler);
+      self->service_.post(self->impl_, handler2.value);
+    }
+  };
+#endif // !defined(ASIO_NO_DEPRECATED)
+
   asio::detail::strand_service& service_;
   mutable asio::detail::strand_service::implementation_type impl_;
 };
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/io_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/io_service.hpp
index 9f0d838..2916aff 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/io_service.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/io_service.hpp
@@ -2,7 +2,7 @@
 // io_service.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/io_service_strand.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/io_service_strand.hpp
index 92f275e..5d35ee3 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/io_service_strand.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/io_service_strand.hpp
@@ -2,7 +2,7 @@
 // io_service_strand.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address.hpp
index ca3fdea..d493981 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address.hpp
@@ -2,7 +2,7 @@
 // ip/address.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -47,46 +47,48 @@ class address
 {
 public:
   /// Default constructor.
-  ASIO_DECL address();
+  ASIO_DECL address() ASIO_NOEXCEPT;
 
   /// Construct an address from an IPv4 address.
-  ASIO_DECL address(const asio::ip::address_v4& ipv4_address);
+  ASIO_DECL address(
+      const asio::ip::address_v4& ipv4_address) ASIO_NOEXCEPT;
 
   /// Construct an address from an IPv6 address.
-  ASIO_DECL address(const asio::ip::address_v6& ipv6_address);
+  ASIO_DECL address(
+      const asio::ip::address_v6& ipv6_address) ASIO_NOEXCEPT;
 
   /// Copy constructor.
-  ASIO_DECL address(const address& other);
+  ASIO_DECL address(const address& other) ASIO_NOEXCEPT;
 
 #if defined(ASIO_HAS_MOVE)
   /// Move constructor.
-  ASIO_DECL address(address&& other);
+  ASIO_DECL address(address&& other) ASIO_NOEXCEPT;
 #endif // defined(ASIO_HAS_MOVE)
 
   /// Assign from another address.
-  ASIO_DECL address& operator=(const address& other);
+  ASIO_DECL address& operator=(const address& other) ASIO_NOEXCEPT;
 
 #if defined(ASIO_HAS_MOVE)
   /// Move-assign from another address.
-  ASIO_DECL address& operator=(address&& other);
+  ASIO_DECL address& operator=(address&& other) ASIO_NOEXCEPT;
 #endif // defined(ASIO_HAS_MOVE)
 
   /// Assign from an IPv4 address.
   ASIO_DECL address& operator=(
-      const asio::ip::address_v4& ipv4_address);
+      const asio::ip::address_v4& ipv4_address) ASIO_NOEXCEPT;
 
   /// Assign from an IPv6 address.
   ASIO_DECL address& operator=(
-      const asio::ip::address_v6& ipv6_address);
+      const asio::ip::address_v6& ipv6_address) ASIO_NOEXCEPT;
 
   /// Get whether the address is an IP version 4 address.
-  bool is_v4() const
+  bool is_v4() const ASIO_NOEXCEPT
   {
     return type_ == ipv4;
   }
 
   /// Get whether the address is an IP version 6 address.
-  bool is_v6() const
+  bool is_v6() const ASIO_NOEXCEPT
   {
     return type_ == ipv6;
   }
@@ -127,40 +129,46 @@ public:
 #endif // !defined(ASIO_NO_DEPRECATED)
 
   /// Determine whether the address is a loopback address.
-  ASIO_DECL bool is_loopback() const;
+  ASIO_DECL bool is_loopback() const ASIO_NOEXCEPT;
 
   /// Determine whether the address is unspecified.
-  ASIO_DECL bool is_unspecified() const;
+  ASIO_DECL bool is_unspecified() const ASIO_NOEXCEPT;
 
   /// Determine whether the address is a multicast address.
-  ASIO_DECL bool is_multicast() const;
+  ASIO_DECL bool is_multicast() const ASIO_NOEXCEPT;
 
   /// Compare two addresses for equality.
-  ASIO_DECL friend bool operator==(const address& a1, const address& a2);
+  ASIO_DECL friend bool operator==(const address& a1,
+      const address& a2) ASIO_NOEXCEPT;
 
   /// Compare two addresses for inequality.
-  friend bool operator!=(const address& a1, const address& a2)
+  friend bool operator!=(const address& a1,
+      const address& a2) ASIO_NOEXCEPT
   {
     return !(a1 == a2);
   }
 
   /// Compare addresses for ordering.
-  ASIO_DECL friend bool operator<(const address& a1, const address& a2);
+  ASIO_DECL friend bool operator<(const address& a1,
+      const address& a2) ASIO_NOEXCEPT;
 
   /// Compare addresses for ordering.
-  friend bool operator>(const address& a1, const address& a2)
+  friend bool operator>(const address& a1,
+      const address& a2) ASIO_NOEXCEPT
   {
     return a2 < a1;
   }
 
   /// Compare addresses for ordering.
-  friend bool operator<=(const address& a1, const address& a2)
+  friend bool operator<=(const address& a1,
+      const address& a2) ASIO_NOEXCEPT
   {
     return !(a2 < a1);
   }
 
   /// Compare addresses for ordering.
-  friend bool operator>=(const address& a1, const address& a2)
+  friend bool operator>=(const address& a1,
+      const address& a2) ASIO_NOEXCEPT
   {
     return !(a1 < a2);
   }
@@ -188,8 +196,8 @@ ASIO_DECL address make_address(const char* str);
 /**
  * @relates address
  */
-ASIO_DECL address make_address(
-    const char* str, asio::error_code& ec);
+ASIO_DECL address make_address(const char* str,
+    asio::error_code& ec) ASIO_NOEXCEPT;
 
 /// Create an address from an IPv4 address string in dotted decimal form,
 /// or from an IPv6 address in hexadecimal notation.
@@ -203,10 +211,10 @@ ASIO_DECL address make_address(const std::string& str);
 /**
  * @relates address
  */
-ASIO_DECL address make_address(
-    const std::string& str, asio::error_code& ec);
+ASIO_DECL address make_address(const std::string& str,
+    asio::error_code& ec) ASIO_NOEXCEPT;
 
-#if defined(ASIO_HAS_STD_STRING_VIEW) \
+#if defined(ASIO_HAS_STRING_VIEW) \
   || defined(GENERATING_DOCUMENTATION)
 
 /// Create an address from an IPv4 address string in dotted decimal form,
@@ -221,10 +229,10 @@ ASIO_DECL address make_address(string_view str);
 /**
  * @relates address
  */
-ASIO_DECL address make_address(
-    string_view str, asio::error_code& ec);
+ASIO_DECL address make_address(string_view str,
+    asio::error_code& ec) ASIO_NOEXCEPT;
 
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
        //  || defined(GENERATING_DOCUMENTATION)
 
 #if !defined(ASIO_NO_IOSTREAM)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address_v4.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address_v4.hpp
index f30abd6..4d6af7f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address_v4.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address_v4.hpp
@@ -2,7 +2,7 @@
 // ip/address_v4.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -60,7 +60,7 @@ public:
 #endif
 
   /// Default constructor.
-  address_v4()
+  address_v4() ASIO_NOEXCEPT
   {
     addr_.s_addr = 0;
   }
@@ -72,21 +72,21 @@ public:
   ASIO_DECL explicit address_v4(uint_type addr);
 
   /// Copy constructor.
-  address_v4(const address_v4& other)
+  address_v4(const address_v4& other) ASIO_NOEXCEPT
     : addr_(other.addr_)
   {
   }
 
 #if defined(ASIO_HAS_MOVE)
   /// Move constructor.
-  address_v4(address_v4&& other)
+  address_v4(address_v4&& other) ASIO_NOEXCEPT
     : addr_(other.addr_)
   {
   }
 #endif // defined(ASIO_HAS_MOVE)
 
   /// Assign from another address.
-  address_v4& operator=(const address_v4& other)
+  address_v4& operator=(const address_v4& other) ASIO_NOEXCEPT
   {
     addr_ = other.addr_;
     return *this;
@@ -94,7 +94,7 @@ public:
 
 #if defined(ASIO_HAS_MOVE)
   /// Move-assign from another address.
-  address_v4& operator=(address_v4&& other)
+  address_v4& operator=(address_v4&& other) ASIO_NOEXCEPT
   {
     addr_ = other.addr_;
     return *this;
@@ -102,10 +102,10 @@ public:
 #endif // defined(ASIO_HAS_MOVE)
 
   /// Get the address in bytes, in network byte order.
-  ASIO_DECL bytes_type to_bytes() const;
+  ASIO_DECL bytes_type to_bytes() const ASIO_NOEXCEPT;
 
   /// Get the address as an unsigned integer in host byte order
-  ASIO_DECL uint_type to_uint() const;
+  ASIO_DECL uint_type to_uint() const ASIO_NOEXCEPT;
 
 #if !defined(ASIO_NO_DEPRECATED)
   /// Get the address as an unsigned long in host byte order
@@ -140,10 +140,10 @@ public:
 #endif // !defined(ASIO_NO_DEPRECATED)
 
   /// Determine whether the address is a loopback address.
-  ASIO_DECL bool is_loopback() const;
+  ASIO_DECL bool is_loopback() const ASIO_NOEXCEPT;
 
   /// Determine whether the address is unspecified.
-  ASIO_DECL bool is_unspecified() const;
+  ASIO_DECL bool is_unspecified() const ASIO_NOEXCEPT;
 
 #if !defined(ASIO_NO_DEPRECATED)
   /// (Deprecated: Use network_v4 class.) Determine whether the address is a
@@ -160,58 +160,64 @@ public:
 #endif // !defined(ASIO_NO_DEPRECATED)
 
   /// Determine whether the address is a multicast address.
-  ASIO_DECL bool is_multicast() const;
+  ASIO_DECL bool is_multicast() const ASIO_NOEXCEPT;
 
   /// Compare two addresses for equality.
-  friend bool operator==(const address_v4& a1, const address_v4& a2)
+  friend bool operator==(const address_v4& a1,
+      const address_v4& a2) ASIO_NOEXCEPT
   {
     return a1.addr_.s_addr == a2.addr_.s_addr;
   }
 
   /// Compare two addresses for inequality.
-  friend bool operator!=(const address_v4& a1, const address_v4& a2)
+  friend bool operator!=(const address_v4& a1,
+      const address_v4& a2) ASIO_NOEXCEPT
   {
     return a1.addr_.s_addr != a2.addr_.s_addr;
   }
 
   /// Compare addresses for ordering.
-  friend bool operator<(const address_v4& a1, const address_v4& a2)
+  friend bool operator<(const address_v4& a1,
+      const address_v4& a2) ASIO_NOEXCEPT
   {
     return a1.to_uint() < a2.to_uint();
   }
 
   /// Compare addresses for ordering.
-  friend bool operator>(const address_v4& a1, const address_v4& a2)
+  friend bool operator>(const address_v4& a1,
+      const address_v4& a2) ASIO_NOEXCEPT
   {
     return a1.to_uint() > a2.to_uint();
   }
 
   /// Compare addresses for ordering.
-  friend bool operator<=(const address_v4& a1, const address_v4& a2)
+  friend bool operator<=(const address_v4& a1,
+      const address_v4& a2) ASIO_NOEXCEPT
   {
     return a1.to_uint() <= a2.to_uint();
   }
 
   /// Compare addresses for ordering.
-  friend bool operator>=(const address_v4& a1, const address_v4& a2)
+  friend bool operator>=(const address_v4& a1,
+      const address_v4& a2) ASIO_NOEXCEPT
   {
     return a1.to_uint() >= a2.to_uint();
   }
 
   /// Obtain an address object that represents any address.
-  static address_v4 any()
+  static address_v4 any() ASIO_NOEXCEPT
   {
     return address_v4();
   }
 
   /// Obtain an address object that represents the loopback address.
-  static address_v4 loopback()
+  static address_v4 loopback() ASIO_NOEXCEPT
   {
     return address_v4(0x7F000001);
   }
 
   /// Obtain an address object that represents the broadcast address.
-  static address_v4 broadcast()
+  static address_v4 broadcast() ASIO_NOEXCEPT
   {
     return address_v4(0xFFFFFFFF);
   }
@@ -261,8 +267,8 @@ ASIO_DECL address_v4 make_address_v4(const char* str);
 /**
  * @relates address_v4
  */
-ASIO_DECL address_v4 make_address_v4(
-    const char* str, asio::error_code& ec);
+ASIO_DECL address_v4 make_address_v4(const char* str,
+    asio::error_code& ec) ASIO_NOEXCEPT;
 
 /// Create an IPv4 address from an IP address string in dotted decimal form.
 /**
@@ -274,10 +280,10 @@ ASIO_DECL address_v4 make_address_v4(const std::string& str);
 /**
  * @relates address_v4
  */
-ASIO_DECL address_v4 make_address_v4(
-    const std::string& str, asio::error_code& ec);
+ASIO_DECL address_v4 make_address_v4(const std::string& str,
+    asio::error_code& ec) ASIO_NOEXCEPT;
 
-#if defined(ASIO_HAS_STD_STRING_VIEW) \
+#if defined(ASIO_HAS_STRING_VIEW) \
   || defined(GENERATING_DOCUMENTATION)
 
 /// Create an IPv4 address from an IP address string in dotted decimal form.
@@ -290,10 +296,10 @@ ASIO_DECL address_v4 make_address_v4(string_view str);
 /**
  * @relates address_v4
  */
-ASIO_DECL address_v4 make_address_v4(
-    string_view str, asio::error_code& ec);
+ASIO_DECL address_v4 make_address_v4(string_view str,
+    asio::error_code& ec) ASIO_NOEXCEPT;
 
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
        //  || defined(GENERATING_DOCUMENTATION)
 
 #if !defined(ASIO_NO_IOSTREAM)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address_v4_iterator.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address_v4_iterator.hpp
index 34e99bb..3702d93 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address_v4_iterator.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address_v4_iterator.hpp
@@ -2,7 +2,7 @@
 // ip/address_v4_iterator.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address_v4_range.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address_v4_range.hpp
index 9aa2497..369e395 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address_v4_range.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address_v4_range.hpp
@@ -2,7 +2,7 @@
 // ip/address_v4_range.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address_v6.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address_v6.hpp
index 77038da..db3af3c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address_v6.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address_v6.hpp
@@ -2,7 +2,7 @@
 // ip/address_v6.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -59,33 +59,34 @@ public:
 #endif
 
   /// Default constructor.
-  ASIO_DECL address_v6();
+  ASIO_DECL address_v6() ASIO_NOEXCEPT;
 
   /// Construct an address from raw bytes and scope ID.
   ASIO_DECL explicit address_v6(const bytes_type& bytes,
       unsigned long scope_id = 0);
 
   /// Copy constructor.
-  ASIO_DECL address_v6(const address_v6& other);
+  ASIO_DECL address_v6(const address_v6& other) ASIO_NOEXCEPT;
 
 #if defined(ASIO_HAS_MOVE)
   /// Move constructor.
-  ASIO_DECL address_v6(address_v6&& other);
+  ASIO_DECL address_v6(address_v6&& other) ASIO_NOEXCEPT;
 #endif // defined(ASIO_HAS_MOVE)
 
   /// Assign from another address.
-  ASIO_DECL address_v6& operator=(const address_v6& other);
+  ASIO_DECL address_v6& operator=(
+      const address_v6& other) ASIO_NOEXCEPT;
 
 #if defined(ASIO_HAS_MOVE)
   /// Move-assign from another address.
-  ASIO_DECL address_v6& operator=(address_v6&& other);
+  ASIO_DECL address_v6& operator=(address_v6&& other) ASIO_NOEXCEPT;
 #endif // defined(ASIO_HAS_MOVE)
 
   /// The scope ID of the address.
   /**
    * Returns the scope ID associated with the IPv6 address.
    */
-  unsigned long scope_id() const
+  unsigned long scope_id() const ASIO_NOEXCEPT
   {
     return scope_id_;
   }
@@ -94,13 +95,13 @@ public:
   /**
    * Modifies the scope ID associated with the IPv6 address.
    */
-  void scope_id(unsigned long id)
+  void scope_id(unsigned long id) ASIO_NOEXCEPT
   {
     scope_id_ = id;
   }
 
   /// Get the address in bytes, in network byte order.
-  ASIO_DECL bytes_type to_bytes() const;
+  ASIO_DECL bytes_type to_bytes() const ASIO_NOEXCEPT;
 
   /// Get the address as a string.
   ASIO_DECL std::string to_string() const;
@@ -133,19 +134,19 @@ public:
 #endif // !defined(ASIO_NO_DEPRECATED)
 
   /// Determine whether the address is a loopback address.
-  ASIO_DECL bool is_loopback() const;
+  ASIO_DECL bool is_loopback() const ASIO_NOEXCEPT;
 
   /// Determine whether the address is unspecified.
-  ASIO_DECL bool is_unspecified() const;
+  ASIO_DECL bool is_unspecified() const ASIO_NOEXCEPT;
 
   /// Determine whether the address is link local.
-  ASIO_DECL bool is_link_local() const;
+  ASIO_DECL bool is_link_local() const ASIO_NOEXCEPT;
 
   /// Determine whether the address is site local.
-  ASIO_DECL bool is_site_local() const;
+  ASIO_DECL bool is_site_local() const ASIO_NOEXCEPT;
 
   /// Determine whether the address is a mapped IPv4 address.
-  ASIO_DECL bool is_v4_mapped() const;
+  ASIO_DECL bool is_v4_mapped() const ASIO_NOEXCEPT;
 
 #if !defined(ASIO_NO_DEPRECATED)
   /// (Deprecated: No replacement.) Determine whether the address is an
@@ -154,63 +155,67 @@ public:
 #endif // !defined(ASIO_NO_DEPRECATED)
 
   /// Determine whether the address is a multicast address.
-  ASIO_DECL bool is_multicast() const;
+  ASIO_DECL bool is_multicast() const ASIO_NOEXCEPT;
 
   /// Determine whether the address is a global multicast address.
-  ASIO_DECL bool is_multicast_global() const;
+  ASIO_DECL bool is_multicast_global() const ASIO_NOEXCEPT;
 
   /// Determine whether the address is a link-local multicast address.
-  ASIO_DECL bool is_multicast_link_local() const;
+  ASIO_DECL bool is_multicast_link_local() const ASIO_NOEXCEPT;
 
   /// Determine whether the address is a node-local multicast address.
-  ASIO_DECL bool is_multicast_node_local() const;
+  ASIO_DECL bool is_multicast_node_local() const ASIO_NOEXCEPT;
 
   /// Determine whether the address is a org-local multicast address.
-  ASIO_DECL bool is_multicast_org_local() const;
+  ASIO_DECL bool is_multicast_org_local() const ASIO_NOEXCEPT;
 
   /// Determine whether the address is a site-local multicast address.
-  ASIO_DECL bool is_multicast_site_local() const;
+  ASIO_DECL bool is_multicast_site_local() const ASIO_NOEXCEPT;
 
   /// Compare two addresses for equality.
-  ASIO_DECL friend bool operator==(
-      const address_v6& a1, const address_v6& a2);
+  ASIO_DECL friend bool operator==(const address_v6& a1,
+      const address_v6& a2) ASIO_NOEXCEPT;
 
   /// Compare two addresses for inequality.
-  friend bool operator!=(const address_v6& a1, const address_v6& a2)
+  friend bool operator!=(const address_v6& a1,
+      const address_v6& a2) ASIO_NOEXCEPT
   {
     return !(a1 == a2);
   }
 
   /// Compare addresses for ordering.
-  ASIO_DECL friend bool operator<(
-      const address_v6& a1, const address_v6& a2);
+  ASIO_DECL friend bool operator<(const address_v6& a1,
+      const address_v6& a2) ASIO_NOEXCEPT;
 
   /// Compare addresses for ordering.
-  friend bool operator>(const address_v6& a1, const address_v6& a2)
+  friend bool operator>(const address_v6& a1,
+      const address_v6& a2) ASIO_NOEXCEPT
   {
     return a2 < a1;
   }
 
   /// Compare addresses for ordering.
-  friend bool operator<=(const address_v6& a1, const address_v6& a2)
+  friend bool operator<=(const address_v6& a1,
+      const address_v6& a2) ASIO_NOEXCEPT
   {
     return !(a2 < a1);
   }
 
   /// Compare addresses for ordering.
-  friend bool operator>=(const address_v6& a1, const address_v6& a2)
+  friend bool operator>=(const address_v6& a1,
+      const address_v6& a2) ASIO_NOEXCEPT
   {
     return !(a1 < a2);
   }
 
   /// Obtain an address object that represents any address.
-  static address_v6 any()
+  static address_v6 any() ASIO_NOEXCEPT
   {
     return address_v6();
   }
 
   /// Obtain an address object that represents the loopback address.
-  ASIO_DECL static address_v6 loopback();
+  ASIO_DECL static address_v6 loopback() ASIO_NOEXCEPT;
 
 #if !defined(ASIO_NO_DEPRECATED)
   /// (Deprecated: Use make_address_v6().) Create an IPv4-mapped IPv6 address.
@@ -250,8 +255,8 @@ ASIO_DECL address_v6 make_address_v6(const char* str);
 /**
  * @relates address_v6
  */
-ASIO_DECL address_v6 make_address_v6(
-    const char* str, asio::error_code& ec);
+ASIO_DECL address_v6 make_address_v6(const char* str,
+    asio::error_code& ec) ASIO_NOEXCEPT;
 
 /// Createan IPv6 address from an IP address string.
 /**
@@ -263,10 +268,10 @@ ASIO_DECL address_v6 make_address_v6(const std::string& str);
 /**
  * @relates address_v6
  */
-ASIO_DECL address_v6 make_address_v6(
-    const std::string& str, asio::error_code& ec);
+ASIO_DECL address_v6 make_address_v6(const std::string& str,
+    asio::error_code& ec) ASIO_NOEXCEPT;
 
-#if defined(ASIO_HAS_STD_STRING_VIEW) \
+#if defined(ASIO_HAS_STRING_VIEW) \
   || defined(GENERATING_DOCUMENTATION)
 
 /// Create an IPv6 address from an IP address string.
@@ -279,10 +284,10 @@ ASIO_DECL address_v6 make_address_v6(string_view str);
 /**
  * @relates address_v6
  */
-ASIO_DECL address_v6 make_address_v6(
-    string_view str, asio::error_code& ec);
+ASIO_DECL address_v6 make_address_v6(string_view str,
+    asio::error_code& ec) ASIO_NOEXCEPT;
 
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
        //  || defined(GENERATING_DOCUMENTATION)
 
 /// Tag type used for distinguishing overloads that deal in IPv4-mapped IPv6
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address_v6_iterator.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address_v6_iterator.hpp
index 620f0ad..ba12796 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address_v6_iterator.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address_v6_iterator.hpp
@@ -2,7 +2,7 @@
 // ip/address_v6_iterator.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //                         Oliver Kowalke (oliver dot kowalke at gmail dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address_v6_range.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address_v6_range.hpp
index afb0624..7a461dd 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address_v6_range.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/address_v6_range.hpp
@@ -2,7 +2,7 @@
 // ip/address_v6_range.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //                         Oliver Kowalke (oliver dot kowalke at gmail dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/bad_address_cast.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/bad_address_cast.hpp
index e3c8991..32fda74 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/bad_address_cast.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/bad_address_cast.hpp
@@ -2,7 +2,7 @@
 // ip/bad_address_cast.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -24,7 +24,12 @@ namespace asio {
 namespace ip {
 
 /// Thrown to indicate a failed address conversion.
-class bad_address_cast : public std::bad_cast
+class bad_address_cast :
+#if defined(ASIO_MSVC) && defined(_HAS_EXCEPTIONS) && !_HAS_EXCEPTIONS
+  public std::exception
+#else
+  public std::bad_cast
+#endif
 {
 public:
   /// Default constructor.
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/basic_endpoint.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/basic_endpoint.hpp
index fc0a723..92e02a9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/basic_endpoint.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/basic_endpoint.hpp
@@ -2,7 +2,7 @@
 // ip/basic_endpoint.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -56,7 +56,7 @@ public:
 #endif
 
   /// Default constructor.
-  basic_endpoint()
+  basic_endpoint() ASIO_NOEXCEPT
     : impl_()
   {
   }
@@ -78,7 +78,7 @@ public:
    * @endcode
    */
   basic_endpoint(const InternetProtocol& internet_protocol,
-      unsigned short port_num)
+      unsigned short port_num) ASIO_NOEXCEPT
     : impl_(internet_protocol.family(), port_num)
   {
   }
@@ -86,27 +86,28 @@ public:
   /// Construct an endpoint using a port number and an IP address. This
   /// constructor may be used for accepting connections on a specific interface
   /// or for making a connection to a remote endpoint.
-  basic_endpoint(const asio::ip::address& addr, unsigned short port_num)
+  basic_endpoint(const asio::ip::address& addr,
+      unsigned short port_num) ASIO_NOEXCEPT
     : impl_(addr, port_num)
   {
   }
 
   /// Copy constructor.
-  basic_endpoint(const basic_endpoint& other)
+  basic_endpoint(const basic_endpoint& other) ASIO_NOEXCEPT
     : impl_(other.impl_)
   {
   }
 
 #if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
   /// Move constructor.
-  basic_endpoint(basic_endpoint&& other)
+  basic_endpoint(basic_endpoint&& other) ASIO_NOEXCEPT
     : impl_(other.impl_)
   {
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
 
   /// Assign from another endpoint.
-  basic_endpoint& operator=(const basic_endpoint& other)
+  basic_endpoint& operator=(const basic_endpoint& other) ASIO_NOEXCEPT
   {
     impl_ = other.impl_;
     return *this;
@@ -114,7 +115,7 @@ public:
 
 #if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
   /// Move-assign from another endpoint.
-  basic_endpoint& operator=(basic_endpoint&& other)
+  basic_endpoint& operator=(basic_endpoint&& other) ASIO_NOEXCEPT
   {
     impl_ = other.impl_;
     return *this;
@@ -122,7 +123,7 @@ public:
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
 
   /// The protocol associated with the endpoint.
-  protocol_type protocol() const
+  protocol_type protocol() const ASIO_NOEXCEPT
   {
     if (impl_.is_v4())
       return InternetProtocol::v4();
@@ -130,19 +131,19 @@ public:
   }
 
   /// Get the underlying endpoint in the native type.
-  data_type* data()
+  data_type* data() ASIO_NOEXCEPT
   {
     return impl_.data();
   }
 
   /// Get the underlying endpoint in the native type.
-  const data_type* data() const
+  const data_type* data() const ASIO_NOEXCEPT
   {
     return impl_.data();
   }
 
   /// Get the underlying size of the endpoint in the native type.
-  std::size_t size() const
+  std::size_t size() const ASIO_NOEXCEPT
   {
     return impl_.size();
   }
@@ -154,75 +155,75 @@ public:
   }
 
   /// Get the capacity of the endpoint in the native type.
-  std::size_t capacity() const
+  std::size_t capacity() const ASIO_NOEXCEPT
   {
     return impl_.capacity();
   }
 
   /// Get the port associated with the endpoint. The port number is always in
   /// the host's byte order.
-  unsigned short port() const
+  unsigned short port() const ASIO_NOEXCEPT
   {
     return impl_.port();
   }
 
   /// Set the port associated with the endpoint. The port number is always in
   /// the host's byte order.
-  void port(unsigned short port_num)
+  void port(unsigned short port_num) ASIO_NOEXCEPT
   {
     impl_.port(port_num);
   }
 
   /// Get the IP address associated with the endpoint.
-  asio::ip::address address() const
+  asio::ip::address address() const ASIO_NOEXCEPT
   {
     return impl_.address();
   }
 
   /// Set the IP address associated with the endpoint.
-  void address(const asio::ip::address& addr)
+  void address(const asio::ip::address& addr) ASIO_NOEXCEPT
   {
     impl_.address(addr);
   }
 
   /// Compare two endpoints for equality.
   friend bool operator==(const basic_endpoint<InternetProtocol>& e1,
-      const basic_endpoint<InternetProtocol>& e2)
+      const basic_endpoint<InternetProtocol>& e2) ASIO_NOEXCEPT
   {
     return e1.impl_ == e2.impl_;
   }
 
   /// Compare two endpoints for inequality.
   friend bool operator!=(const basic_endpoint<InternetProtocol>& e1,
-      const basic_endpoint<InternetProtocol>& e2)
+      const basic_endpoint<InternetProtocol>& e2) ASIO_NOEXCEPT
   {
     return !(e1 == e2);
   }
 
   /// Compare endpoints for ordering.
   friend bool operator<(const basic_endpoint<InternetProtocol>& e1,
-      const basic_endpoint<InternetProtocol>& e2)
+      const basic_endpoint<InternetProtocol>& e2) ASIO_NOEXCEPT
   {
     return e1.impl_ < e2.impl_;
   }
 
   /// Compare endpoints for ordering.
   friend bool operator>(const basic_endpoint<InternetProtocol>& e1,
-      const basic_endpoint<InternetProtocol>& e2)
+      const basic_endpoint<InternetProtocol>& e2) ASIO_NOEXCEPT
   {
     return e2.impl_ < e1.impl_;
   }
 
   /// Compare endpoints for ordering.
   friend bool operator<=(const basic_endpoint<InternetProtocol>& e1,
-      const basic_endpoint<InternetProtocol>& e2)
+      const basic_endpoint<InternetProtocol>& e2) ASIO_NOEXCEPT
   {
     return !(e2 < e1);
   }
 
   /// Compare endpoints for ordering.
   friend bool operator>=(const basic_endpoint<InternetProtocol>& e1,
-      const basic_endpoint<InternetProtocol>& e2)
+      const basic_endpoint<InternetProtocol>& e2) ASIO_NOEXCEPT
   {
     return !(e1 < e2);
   }
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/basic_resolver.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/basic_resolver.hpp
index 7c28c61..736396d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/basic_resolver.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/basic_resolver.hpp
@@ -2,7 +2,7 @@
 // ip/basic_resolver.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -18,40 +18,42 @@
 #include "asio/detail/config.hpp"
 #include <string>
 #include "asio/async_result.hpp"
-#include "asio/basic_io_object.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/io_object_impl.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
 #include "asio/detail/string_view.hpp"
 #include "asio/detail/throw_error.hpp"
 #include "asio/error.hpp"
-#include "asio/io_context.hpp"
+#include "asio/execution_context.hpp"
+#include "asio/executor.hpp"
 #include "asio/ip/basic_resolver_iterator.hpp"
 #include "asio/ip/basic_resolver_query.hpp"
 #include "asio/ip/basic_resolver_results.hpp"
 #include "asio/ip/resolver_base.hpp"
+#if defined(ASIO_WINDOWS_RUNTIME)
+# include "asio/detail/winrt_resolver_service.hpp"
+#else
+# include "asio/detail/resolver_service.hpp"
+#endif
 
 #if defined(ASIO_HAS_MOVE)
 # include <utility>
 #endif // defined(ASIO_HAS_MOVE)
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/ip/resolver_service.hpp"
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-# if defined(ASIO_WINDOWS_RUNTIME)
-#  include "asio/detail/winrt_resolver_service.hpp"
-#  define ASIO_SVC_T \
-    asio::detail::winrt_resolver_service<InternetProtocol>
-# else
-#  include "asio/detail/resolver_service.hpp"
-#  define ASIO_SVC_T \
-    asio::detail::resolver_service<InternetProtocol>
-# endif
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
 namespace ip {
 
+#if !defined(ASIO_IP_BASIC_RESOLVER_FWD_DECL)
+#define ASIO_IP_BASIC_RESOLVER_FWD_DECL
+
+// Forward declaration with defaulted arguments.
+template <typename InternetProtocol, typename Executor = executor>
+class basic_resolver;
+
+#endif // !defined(ASIO_IP_BASIC_RESOLVER_FWD_DECL)
+
 /// Provides endpoint resolution functionality.
 /**
  * The basic_resolver class template provides the ability to resolve a query
@@ -61,15 +63,13 @@ namespace ip {
  * @e Distinct @e objects: Safe.@n
  * @e Shared @e objects: Unsafe.
  */
-template <typename InternetProtocol
-    ASIO_SVC_TPARAM_DEF1(= resolver_service<InternetProtocol>)>
+template <typename InternetProtocol, typename Executor>
 class basic_resolver
-  : ASIO_SVC_ACCESS basic_io_object<ASIO_SVC_T>,
-    public resolver_base
+  : public resolver_base
 {
 public:
   /// The type of the executor associated with the object.
-  typedef io_context::executor_type executor_type;
+  typedef Executor executor_type;
 
   /// The protocol type.
   typedef InternetProtocol protocol_type;
@@ -88,16 +88,33 @@ public:
   /// The results type.
   typedef basic_resolver_results<InternetProtocol> results_type;
 
-  /// Constructor.
+  /// Construct with executor.
   /**
    * This constructor creates a basic_resolver.
    *
-   * @param io_context The io_context object that the resolver will use to
+   * @param ex The I/O executor that the resolver will use, by default, to
    * dispatch handlers for any asynchronous operations performed on the
    * resolver.
    */
-  explicit basic_resolver(asio::io_context& io_context)
-    : basic_io_object<ASIO_SVC_T>(io_context)
+  explicit basic_resolver(const executor_type& ex)
+    : impl_(ex)
+  {
+  }
+
+  /// Construct with execution context.
+  /**
+   * This constructor creates a basic_resolver.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the resolver will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the resolver.
+   */
+  template <typename ExecutionContext>
+  explicit basic_resolver(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
   {
   }
 
@@ -110,10 +127,10 @@ public:
    * occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_resolver(io_context&) constructor.
+   * constructed using the @c basic_resolver(const executor_type&) constructor.
    */
   basic_resolver(basic_resolver&& other)
-    : basic_io_object<ASIO_SVC_T>(std::move(other))
+    : impl_(std::move(other.impl_))
   {
   }
 
@@ -127,11 +144,11 @@ public:
    * occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_resolver(io_context&) constructor.
+   * constructed using the @c basic_resolver(const executor_type&) constructor.
    */
   basic_resolver& operator=(basic_resolver&& other)
   {
-    basic_io_object<ASIO_SVC_T>::operator=(std::move(other));
+    impl_ = std::move(other.impl_);
     return *this;
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
@@ -146,45 +163,11 @@ public:
   {
   }
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-  // These functions are provided by basic_io_object<>.
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-#if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_context()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_context();
-  }
-
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_service()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_service();
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
   /// Get the executor associated with the object.
   executor_type get_executor() ASIO_NOEXCEPT
   {
-    return basic_io_object<ASIO_SVC_T>::get_executor();
+    return impl_.get_executor();
   }
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
 
   /// Cancel any asynchronous operations that are waiting on the resolver.
   /**
@@ -194,11 +177,12 @@ public:
    */
   void cancel()
   {
-    return this->get_service().cancel(this->get_implementation());
+    return impl_.get_service().cancel(impl_.get_implementation());
   }
 
 #if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated.) Perform forward resolution of a query to a list of entries.
+  /// (Deprecated: Use overload with separate host and service parameters.)
+  /// Perform forward resolution of a query to a list of entries.
   /**
    * This function is used to resolve a query into a list of endpoint entries.
    *
@@ -213,13 +197,14 @@ public:
   results_type resolve(const query& q)
   {
     asio::error_code ec;
-    results_type r = this->get_service().resolve(
-        this->get_implementation(), q, ec);
+    results_type r = impl_.get_service().resolve(
+        impl_.get_implementation(), q, ec);
     asio::detail::throw_error(ec, "resolve");
     return r;
   }
 
-  /// (Deprecated.) Perform forward resolution of a query to a list of entries.
+  /// (Deprecated: Use overload with separate host and service parameters.)
+  /// Perform forward resolution of a query to a list of entries.
   /**
    * This function is used to resolve a query into a list of endpoint entries.
    *
@@ -233,7 +218,7 @@ public:
    */
   results_type resolve(const query& q, asio::error_code& ec)
   {
-    return this->get_service().resolve(this->get_implementation(), q, ec);
+    return impl_.get_service().resolve(impl_.get_implementation(), q, ec);
   }
 #endif // !defined(ASIO_NO_DEPRECATED)
 
@@ -333,7 +318,8 @@ public:
    *
    * @param resolve_flags A set of flags that determine how name resolution
    * should be performed. The default flags are suitable for communication with
-   * remote hosts.
+   * remote hosts. See the @ref resolver_base documentation for the set of
+   * available flags.
    *
    * @returns A range object representing the list of endpoint entries. A
    * successful call to this function is guaranteed to return a non-empty
@@ -358,8 +344,8 @@ public:
     asio::error_code ec;
     basic_resolver_query<protocol_type> q(static_cast<std::string>(host),
         static_cast<std::string>(service), resolve_flags);
-    results_type r = this->get_service().resolve(
-        this->get_implementation(), q, ec);
+    results_type r = impl_.get_service().resolve(
+        impl_.get_implementation(), q, ec);
     asio::detail::throw_error(ec, "resolve");
     return r;
   }
@@ -382,7 +368,8 @@ public:
    *
    * @param resolve_flags A set of flags that determine how name resolution
    * should be performed. The default flags are suitable for communication with
-   * remote hosts.
+   * remote hosts. See the @ref resolver_base documentation for the set of
+   * available flags.
    *
    * @param ec Set to indicate what error occurred, if any.
    *
@@ -407,7 +394,7 @@ public:
   {
     basic_resolver_query<protocol_type> q(static_cast<std::string>(host),
         static_cast<std::string>(service), resolve_flags);
-    return this->get_service().resolve(this->get_implementation(), q, ec);
+    return impl_.get_service().resolve(impl_.get_implementation(), q, ec);
   }
 
   /// Perform forward resolution of a query to a list of entries.
@@ -516,7 +503,8 @@ public:
    *
    * @param resolve_flags A set of flags that determine how name resolution
    * should be performed. The default flags are suitable for communication with
-   * remote hosts.
+   * remote hosts. See the @ref resolver_base documentation for the set of
+   * available flags.
    *
    * @returns A range object representing the list of endpoint entries. A
    * successful call to this function is guaranteed to return a non-empty
@@ -543,8 +531,8 @@ public:
     basic_resolver_query<protocol_type> q(
         protocol, static_cast<std::string>(host),
         static_cast<std::string>(service), resolve_flags);
-    results_type r = this->get_service().resolve(
-        this->get_implementation(), q, ec);
+    results_type r = impl_.get_service().resolve(
+        impl_.get_implementation(), q, ec);
     asio::detail::throw_error(ec, "resolve");
     return r;
   }
@@ -570,7 +558,8 @@ public:
    *
    * @param resolve_flags A set of flags that determine how name resolution
    * should be performed. The default flags are suitable for communication with
-   * remote hosts.
+   * remote hosts. See the @ref resolver_base documentation for the set of
+   * available flags.
    *
    * @param ec Set to indicate what error occurred, if any.
    *
@@ -596,12 +585,12 @@ public:
     basic_resolver_query<protocol_type> q(
         protocol, static_cast<std::string>(host),
         static_cast<std::string>(service), resolve_flags);
-    return this->get_service().resolve(this->get_implementation(), q, ec);
+    return impl_.get_service().resolve(impl_.get_implementation(), q, ec);
   }
 
 #if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated.) Asynchronously perform forward resolution of a query to a
-  /// list of entries.
+  /// (Deprecated: Use overload with separate host and service parameters.)
+  /// Asynchronously perform forward resolution of a query to a list of entries.
   /**
    * This function is used to asynchronously resolve a query into a list of
    * endpoint entries.
@@ -616,9 +605,9 @@ public:
    *   resolver::results_type results // Resolved endpoints as a range.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * A successful resolve operation is guaranteed to pass a non-empty range to
    * the handler.
@@ -629,23 +618,9 @@ public:
   async_resolve(const query& q,
       ASIO_MOVE_ARG(ResolveHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ResolveHandler.
-    ASIO_RESOLVE_HANDLER_CHECK(
-        ResolveHandler, handler, results_type) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_resolve(this->get_implementation(), q,
-        ASIO_MOVE_CAST(ResolveHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    asio::async_completion<ResolveHandler,
-      void (asio::error_code, results_type)> init(handler);
-
-    this->get_service().async_resolve(
-        this->get_implementation(), q, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return asio::async_initiate<ResolveHandler,
+      void (asio::error_code, results_type)>(
+        initiate_async_resolve(), handler, this, q);
   }
 #endif // !defined(ASIO_NO_DEPRECATED)
 
@@ -673,9 +648,9 @@ public:
    *   resolver::results_type results // Resolved endpoints as a range.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * A successful resolve operation is guaranteed to pass a non-empty range to
    * the handler.
@@ -720,7 +695,8 @@ public:
    *
    * @param resolve_flags A set of flags that determine how name resolution
    * should be performed. The default flags are suitable for communication with
-   * remote hosts.
+   * remote hosts. See the @ref resolver_base documentation for the set of
+   * available flags.
    *
    * @param handler The handler to be called when the resolve operation
    * completes. Copies will be made of the handler as required. The function
@@ -730,9 +706,9 @@ public:
    *   resolver::results_type results // Resolved endpoints as a range.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * A successful resolve operation is guaranteed to pass a non-empty range to
    * the handler.
@@ -756,26 +732,12 @@ public:
       resolver_base::flags resolve_flags,
       ASIO_MOVE_ARG(ResolveHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ResolveHandler.
-    ASIO_RESOLVE_HANDLER_CHECK(
-        ResolveHandler, handler, results_type) type_check;
-
     basic_resolver_query<protocol_type> q(static_cast<std::string>(host),
         static_cast<std::string>(service), resolve_flags);
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_resolve(this->get_implementation(), q,
-        ASIO_MOVE_CAST(ResolveHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    asio::async_completion<ResolveHandler,
-      void (asio::error_code, results_type)> init(handler);
-
-    this->get_service().async_resolve(
-        this->get_implementation(), q, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return asio::async_initiate<ResolveHandler,
+      void (asio::error_code, results_type)>(
+        initiate_async_resolve(), handler, this, q);
   }
 
   /// Asynchronously perform forward resolution of a query to a list of entries.
@@ -805,9 +767,9 @@ public:
    *   resolver::results_type results // Resolved endpoints as a range.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * A successful resolve operation is guaranteed to pass a non-empty range to
    * the handler.
@@ -855,7 +817,8 @@ public:
    *
    * @param resolve_flags A set of flags that determine how name resolution
    * should be performed. The default flags are suitable for communication with
-   * remote hosts.
+   * remote hosts. See the @ref resolver_base documentation for the set of
+   * available flags.
    *
    * @param handler The handler to be called when the resolve operation
    * completes. Copies will be made of the handler as required. The function
@@ -865,9 +828,9 @@ public:
    *   resolver::results_type results // Resolved endpoints as a range.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * A successful resolve operation is guaranteed to pass a non-empty range to
    * the handler.
@@ -891,27 +854,13 @@ public:
       resolver_base::flags resolve_flags,
       ASIO_MOVE_ARG(ResolveHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ResolveHandler.
-    ASIO_RESOLVE_HANDLER_CHECK(
-        ResolveHandler, handler, results_type) type_check;
-
     basic_resolver_query<protocol_type> q(
         protocol, static_cast<std::string>(host),
         static_cast<std::string>(service), resolve_flags);
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_resolve(this->get_implementation(), q,
-        ASIO_MOVE_CAST(ResolveHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    asio::async_completion<ResolveHandler,
-      void (asio::error_code, results_type)> init(handler);
-
-    this->get_service().async_resolve(
-        this->get_implementation(), q, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return asio::async_initiate<ResolveHandler,
+      void (asio::error_code, results_type)>(
+        initiate_async_resolve(), handler, this, q);
   }
 
   /// Perform reverse resolution of an endpoint to a list of entries.
@@ -931,8 +880,8 @@ public:
   results_type resolve(const endpoint_type& e)
   {
     asio::error_code ec;
-    results_type i = this->get_service().resolve(
-        this->get_implementation(), e, ec);
+    results_type i = impl_.get_service().resolve(
+        impl_.get_implementation(), e, ec);
     asio::detail::throw_error(ec, "resolve");
     return i;
   }
@@ -953,7 +902,7 @@ public:
    */
   results_type resolve(const endpoint_type& e, asio::error_code& ec)
   {
-    return this->get_service().resolve(this->get_implementation(), e, ec);
+    return impl_.get_service().resolve(impl_.get_implementation(), e, ec);
   }
 
   /// Asynchronously perform reverse resolution of an endpoint to a list of
@@ -973,9 +922,9 @@ public:
    *   resolver::results_type results // Resolved endpoints as a range.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * A successful resolve operation is guaranteed to pass a non-empty range to
    * the handler.
@@ -986,24 +935,43 @@ public:
   async_resolve(const endpoint_type& e,
       ASIO_MOVE_ARG(ResolveHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ResolveHandler.
-    ASIO_RESOLVE_HANDLER_CHECK(
-        ResolveHandler, handler, results_type) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_resolve(this->get_implementation(), e,
-        ASIO_MOVE_CAST(ResolveHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    asio::async_completion<ResolveHandler,
-      void (asio::error_code, results_type)> init(handler);
-
-    this->get_service().async_resolve(
-        this->get_implementation(), e, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return asio::async_initiate<ResolveHandler,
+      void (asio::error_code, results_type)>(
+        initiate_async_resolve(), handler, this, e);
   }
+
+private:
+  // Disallow copying and assignment.
+  basic_resolver(const basic_resolver&) ASIO_DELETED;
+  basic_resolver& operator=(const basic_resolver&) ASIO_DELETED;
+
+  struct initiate_async_resolve
+  {
+    template <typename ResolveHandler, typename Query>
+    void operator()(ASIO_MOVE_ARG(ResolveHandler) handler,
+        basic_resolver* self, const Query& q) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ResolveHandler.
+      ASIO_RESOLVE_HANDLER_CHECK(
+          ResolveHandler, handler, results_type) type_check;
+
+      asio::detail::non_const_lvalue<ResolveHandler> handler2(handler);
+      self->impl_.get_service().async_resolve(
+          self->impl_.get_implementation(), q, handler2.value,
+          self->impl_.get_implementation_executor());
+    }
+  };
+
+# if defined(ASIO_WINDOWS_RUNTIME)
+  asio::detail::io_object_impl<
+    asio::detail::winrt_resolver_service<InternetProtocol>,
+    Executor> impl_;
+# else
+  asio::detail::io_object_impl<
+    asio::detail::resolver_service<InternetProtocol>,
+    Executor> impl_;
+# endif
 };
 
 } // namespace ip
@@ -1011,8 +979,4 @@ public:
 
 #include "asio/detail/pop_options.hpp"
 
-#if !defined(ASIO_ENABLE_OLD_SERVICES)
-# undef ASIO_SVC_T
-#endif // !defined(ASIO_ENABLE_OLD_SERVICES)
-
 #endif // ASIO_IP_BASIC_RESOLVER_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/basic_resolver_entry.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/basic_resolver_entry.hpp
index 268551b..a5a1458 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/basic_resolver_entry.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/basic_resolver_entry.hpp
@@ -2,7 +2,7 @@
 // ip/basic_resolver_entry.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/basic_resolver_iterator.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/basic_resolver_iterator.hpp
index 85272e6..aa9f8fd 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/basic_resolver_iterator.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/basic_resolver_iterator.hpp
@@ -2,7 +2,7 @@
 // ip/basic_resolver_iterator.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/basic_resolver_query.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/basic_resolver_query.hpp
index 269bc95..c8c49d6 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/basic_resolver_query.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/basic_resolver_query.hpp
@@ -2,7 +2,7 @@
 // ip/basic_resolver_query.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/basic_resolver_results.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/basic_resolver_results.hpp
index f0ae258..c070f7d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/basic_resolver_results.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/basic_resolver_results.hpp
@@ -2,7 +2,7 @@
 // ip/basic_resolver_results.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -63,7 +63,7 @@ public:
   typedef typename protocol_type::endpoint endpoint_type;
 
   /// The type of a value in the results range.
-  typedef basic_resolver_entry<endpoint_type> value_type;
+  typedef basic_resolver_entry<protocol_type> value_type;
 
   /// The type of a const reference to a value in the range.
   typedef const value_type& const_reference;
@@ -233,19 +233,19 @@ public:
   /// Get the number of entries in the results range.
   size_type size() const ASIO_NOEXCEPT
   {
-    return this->values_->size();
+    return this->values_ ? this->values_->size() : 0;
   }
 
   /// Get the maximum number of entries permitted in a results range.
   size_type max_size() const ASIO_NOEXCEPT
   {
-    return this->values_->max_size();
+    return this->values_ ? this->values_->max_size() : values_type().max_size();
   }
 
   /// Determine whether the results range is empty.
   bool empty() const ASIO_NOEXCEPT
   {
-    return this->values_->empty();
+    return this->values_ ? this->values_->empty() : true;
   }
 
   /// Obtain a begin iterator for the results range.
@@ -253,7 +253,7 @@ public:
   {
     basic_resolver_results tmp(*this);
     tmp.index_ = 0;
-    return tmp;
+    return ASIO_MOVE_CAST(basic_resolver_results)(tmp);
   }
 
   /// Obtain an end iterator for the results range.
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/detail/endpoint.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/detail/endpoint.hpp
index 7b90590..a422373 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/detail/endpoint.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/detail/endpoint.hpp
@@ -2,7 +2,7 @@
 // ip/detail/endpoint.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -33,42 +33,43 @@ class endpoint
 {
 public:
   // Default constructor.
-  ASIO_DECL endpoint();
+  ASIO_DECL endpoint() ASIO_NOEXCEPT;
 
   // Construct an endpoint using a family and port number.
-  ASIO_DECL endpoint(int family, unsigned short port_num);
+  ASIO_DECL endpoint(int family,
+      unsigned short port_num) ASIO_NOEXCEPT;
 
   // Construct an endpoint using an address and port number.
   ASIO_DECL endpoint(const asio::ip::address& addr,
-      unsigned short port_num);
+      unsigned short port_num) ASIO_NOEXCEPT;
 
   // Copy constructor.
-  endpoint(const endpoint& other)
+  endpoint(const endpoint& other) ASIO_NOEXCEPT
     : data_(other.data_)
   {
   }
 
   // Assign from another endpoint.
-  endpoint& operator=(const endpoint& other)
+  endpoint& operator=(const endpoint& other) ASIO_NOEXCEPT
   {
     data_ = other.data_;
     return *this;
   }
 
   // Get the underlying endpoint in the native type.
-  asio::detail::socket_addr_type* data()
+  asio::detail::socket_addr_type* data() ASIO_NOEXCEPT
   {
     return &data_.base;
   }
 
   // Get the underlying endpoint in the native type.
-  const asio::detail::socket_addr_type* data() const
+  const asio::detail::socket_addr_type* data() const ASIO_NOEXCEPT
   {
     return &data_.base;
   }
 
   // Get the underlying size of the endpoint in the native type.
-  std::size_t size() const
+  std::size_t size() const ASIO_NOEXCEPT
   {
     if (is_v4())
       return sizeof(asio::detail::sockaddr_in4_type);
@@ -80,33 +81,34 @@ public:
   ASIO_DECL void resize(std::size_t new_size);
 
   // Get the capacity of the endpoint in the native type.
-  std::size_t capacity() const
+  std::size_t capacity() const ASIO_NOEXCEPT
   {
     return sizeof(data_);
   }
 
   // Get the port associated with the endpoint.
-  ASIO_DECL unsigned short port() const;
+  ASIO_DECL unsigned short port() const ASIO_NOEXCEPT;
 
   // Set the port associated with the endpoint.
-  ASIO_DECL void port(unsigned short port_num);
+  ASIO_DECL void port(unsigned short port_num) ASIO_NOEXCEPT;
 
   // Get the IP address associated with the endpoint.
-  ASIO_DECL asio::ip::address address() const;
+  ASIO_DECL asio::ip::address address() const ASIO_NOEXCEPT;
 
   // Set the IP address associated with the endpoint.
-  ASIO_DECL void address(const asio::ip::address& addr);
+  ASIO_DECL void address(
+      const asio::ip::address& addr) ASIO_NOEXCEPT;
 
   // Compare two endpoints for equality.
-  ASIO_DECL friend bool operator==(
-      const endpoint& e1, const endpoint& e2);
+  ASIO_DECL friend bool operator==(const endpoint& e1,
+      const endpoint& e2) ASIO_NOEXCEPT;
 
   // Compare endpoints for ordering.
-  ASIO_DECL friend bool operator<(
-      const endpoint& e1, const endpoint& e2);
+  ASIO_DECL friend bool operator<(const endpoint& e1,
+      const endpoint& e2) ASIO_NOEXCEPT;
 
   // Determine whether the endpoint is IPv4.
-  bool is_v4() const
+  bool is_v4() const ASIO_NOEXCEPT
   {
     return data_.base.sa_family == ASIO_OS_DEF(AF_INET);
   }
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/detail/impl/endpoint.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/detail/impl/endpoint.ipp
index dd3403e..8a750d6 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/detail/impl/endpoint.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/detail/impl/endpoint.ipp
@@ -2,7 +2,7 @@
 // ip/detail/impl/endpoint.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -31,7 +31,7 @@ namespace asio {
 namespace ip {
 namespace detail {
 
-endpoint::endpoint()
+endpoint::endpoint() ASIO_NOEXCEPT
   : data_()
 {
   data_.v4.sin_family = ASIO_OS_DEF(AF_INET);
@@ -39,7 +39,7 @@ endpoint::endpoint()
   data_.v4.sin_addr.s_addr = ASIO_OS_DEF(INADDR_ANY);
 }
 
-endpoint::endpoint(int family, unsigned short port_num)
+endpoint::endpoint(int family, unsigned short port_num) ASIO_NOEXCEPT
   : data_()
 {
   using namespace std; // For memcpy.
@@ -69,7 +69,7 @@ endpoint::endpoint(int family, unsigned short port_num)
 }
 
 endpoint::endpoint(const asio::ip::address& addr,
-    unsigned short port_num)
+    unsigned short port_num) ASIO_NOEXCEPT
   : data_()
 {
   using namespace std; // For memcpy.
@@ -106,7 +106,7 @@ void endpoint::resize(std::size_t new_size)
   }
 }
 
-unsigned short endpoint::port() const
+unsigned short endpoint::port() const ASIO_NOEXCEPT
 {
   if (is_v4())
   {
@@ -120,7 +120,7 @@ unsigned short endpoint::port() const
   }
 }
 
-void endpoint::port(unsigned short port_num)
+void endpoint::port(unsigned short port_num) ASIO_NOEXCEPT
 {
   if (is_v4())
   {
@@ -134,7 +134,7 @@ void endpoint::port(unsigned short port_num)
   }
 }
 
-asio::ip::address endpoint::address() const
+asio::ip::address endpoint::address() const ASIO_NOEXCEPT
 {
   using namespace std; // For memcpy.
   if (is_v4())
@@ -155,18 +155,18 @@ asio::ip::address endpoint::address() const
   }
 }
 
-void endpoint::address(const asio::ip::address& addr)
+void endpoint::address(const asio::ip::address& addr) ASIO_NOEXCEPT
 {
   endpoint tmp_endpoint(addr, port());
   data_ = tmp_endpoint.data_;
 }
 
-bool operator==(const endpoint& e1, const endpoint& e2)
+bool operator==(const endpoint& e1, const endpoint& e2) ASIO_NOEXCEPT
 {
   return e1.address() == e2.address() && e1.port() == e2.port();
 }
 
-bool operator<(const endpoint& e1, const endpoint& e2)
+bool operator<(const endpoint& e1, const endpoint& e2) ASIO_NOEXCEPT
 {
   if (e1.address() < e2.address())
     return true;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/detail/socket_option.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/detail/socket_option.hpp
index 636d967..e459966 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/detail/socket_option.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/detail/socket_option.hpp
@@ -2,7 +2,7 @@
 // detail/socket_option.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/host_name.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/host_name.hpp
index df94006..2a660a9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/host_name.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/host_name.hpp
@@ -2,7 +2,7 @@
 // ip/host_name.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/icmp.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/icmp.hpp
index bf29c06..d42624e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/icmp.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/icmp.hpp
@@ -2,7 +2,7 @@
 // ip/icmp.hpp
 // ~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/address.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/address.hpp
index 6e2eee7..8944c50 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/address.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/address.hpp
@@ -2,7 +2,7 @@
 // ip/impl/address.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/address.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/address.ipp
index f63b626..43a86a9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/address.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/address.ipp
@@ -2,7 +2,7 @@
 // ip/impl/address.ipp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -29,28 +29,30 @@
 namespace asio {
 namespace ip {
 
-address::address()
+address::address() ASIO_NOEXCEPT
   : type_(ipv4),
     ipv4_address_(),
     ipv6_address_()
 {
 }
 
-address::address(const asio::ip::address_v4& ipv4_address)
+address::address(
+    const asio::ip::address_v4& ipv4_address) ASIO_NOEXCEPT
   : type_(ipv4),
     ipv4_address_(ipv4_address),
     ipv6_address_()
 {
 }
 
-address::address(const asio::ip::address_v6& ipv6_address)
+address::address(
+    const asio::ip::address_v6& ipv6_address) ASIO_NOEXCEPT
   : type_(ipv6),
     ipv4_address_(),
     ipv6_address_(ipv6_address)
 {
 }
 
-address::address(const address& other)
+address::address(const address& other) ASIO_NOEXCEPT
   : type_(other.type_),
     ipv4_address_(other.ipv4_address_),
     ipv6_address_(other.ipv6_address_)
@@ -58,7 +60,7 @@ address::address(const address& other)
 }
 
 #if defined(ASIO_HAS_MOVE)
-address::address(address&& other)
+address::address(address&& other) ASIO_NOEXCEPT
   : type_(other.type_),
     ipv4_address_(other.ipv4_address_),
     ipv6_address_(other.ipv6_address_)
@@ -66,7 +68,7 @@ address::address(address&& other)
 }
 #endif // defined(ASIO_HAS_MOVE)
 
-address& address::operator=(const address& other)
+address& address::operator=(const address& other) ASIO_NOEXCEPT
 {
   type_ = other.type_;
   ipv4_address_ = other.ipv4_address_;
@@ -75,7 +77,7 @@ address& address::operator=(const address& other)
 }
 
 #if defined(ASIO_HAS_MOVE)
-address& address::operator=(address&& other)
+address& address::operator=(address&& other) ASIO_NOEXCEPT
 {
   type_ = other.type_;
   ipv4_address_ = other.ipv4_address_;
@@ -84,7 +86,8 @@ address& address::operator=(address&& other)
 }
 #endif // defined(ASIO_HAS_MOVE)
 
-address& address::operator=(const asio::ip::address_v4& ipv4_address)
+address& address::operator=(
+    const asio::ip::address_v4& ipv4_address) ASIO_NOEXCEPT
 {
   type_ = ipv4;
   ipv4_address_ = ipv4_address;
@@ -92,7 +95,8 @@ address& address::operator=(const asio::ip::address_v4& ipv4_address)
   return *this;
 }
 
-address& address::operator=(const asio::ip::address_v6& ipv6_address)
+address& address::operator=(
+    const asio::ip::address_v6& ipv6_address) ASIO_NOEXCEPT
 {
   type_ = ipv6;
   ipv4_address_ = asio::ip::address_v4();
@@ -108,7 +112,8 @@ address make_address(const char* str)
   return addr;
 }
 
-address make_address(const char* str, asio::error_code& ec)
+address make_address(const char* str,
+    asio::error_code& ec) ASIO_NOEXCEPT
 {
   asio::ip::address_v6 ipv6_address =
     asio::ip::make_address_v6(str, ec);
@@ -129,12 +134,12 @@ address make_address(const std::string& str)
 }
 
 address make_address(const std::string& str,
-    asio::error_code& ec)
+    asio::error_code& ec) ASIO_NOEXCEPT
 {
   return make_address(str.c_str(), ec);
 }
 
-#if defined(ASIO_HAS_STD_STRING_VIEW)
+#if defined(ASIO_HAS_STRING_VIEW)
 
 address make_address(string_view str)
 {
@@ -142,12 +147,12 @@ address make_address(string_view str)
 }
 
 address make_address(string_view str,
-    asio::error_code& ec)
+    asio::error_code& ec) ASIO_NOEXCEPT
 {
   return make_address(static_cast<std::string>(str), ec);
 }
 
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
 
 asio::ip::address_v4 address::to_v4() const
 {
@@ -185,28 +190,28 @@ std::string address::to_string(asio::error_code& ec) const
 }
 #endif // !defined(ASIO_NO_DEPRECATED)
 
-bool address::is_loopback() const
+bool address::is_loopback() const ASIO_NOEXCEPT
 {
   return (type_ == ipv4)
     ? ipv4_address_.is_loopback()
     : ipv6_address_.is_loopback();
 }
 
-bool address::is_unspecified() const
+bool address::is_unspecified() const ASIO_NOEXCEPT
 {
   return (type_ == ipv4)
     ? ipv4_address_.is_unspecified()
     : ipv6_address_.is_unspecified();
 }
 
-bool address::is_multicast() const
+bool address::is_multicast() const ASIO_NOEXCEPT
 {
   return (type_ == ipv4)
     ? ipv4_address_.is_multicast()
     : ipv6_address_.is_multicast();
 }
 
-bool operator==(const address& a1, const address& a2)
+bool operator==(const address& a1, const address& a2) ASIO_NOEXCEPT
 {
   if (a1.type_ != a2.type_)
     return false;
@@ -215,7 +220,7 @@ bool operator==(const address& a1, const address& a2)
   return a1.ipv4_address_ == a2.ipv4_address_;
 }
 
-bool operator<(const address& a1, const address& a2)
+bool operator<(const address& a1, const address& a2) ASIO_NOEXCEPT
 {
   if (a1.type_ < a2.type_)
     return true;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/address_v4.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/address_v4.hpp
index 9153213..f8139b8 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/address_v4.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/address_v4.hpp
@@ -2,7 +2,7 @@
 // ip/impl/address_v4.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/address_v4.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/address_v4.ipp
index 9afdc30..8d3764f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/address_v4.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/address_v4.ipp
@@ -2,7 +2,7 @@
 // ip/impl/address_v4.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -57,7 +57,7 @@ address_v4::address_v4(address_v4::uint_type addr)
       static_cast<asio::detail::u_long_type>(addr));
 }
 
-address_v4::bytes_type address_v4::to_bytes() const
+address_v4::bytes_type address_v4::to_bytes() const ASIO_NOEXCEPT
 {
   using namespace std; // For memcpy.
   bytes_type bytes;
@@ -69,7 +69,7 @@ address_v4::bytes_type address_v4::to_bytes() const
   return bytes;
 }
 
-address_v4::uint_type address_v4::to_uint() const
+address_v4::uint_type address_v4::to_uint() const ASIO_NOEXCEPT
 {
   return asio::detail::socket_ops::network_to_host_long(addr_.s_addr);
 }
@@ -108,12 +108,12 @@ std::string address_v4::to_string(asio::error_code& ec) const
 }
 #endif // !defined(ASIO_NO_DEPRECATED)
 
-bool address_v4::is_loopback() const
+bool address_v4::is_loopback() const ASIO_NOEXCEPT
 {
   return (to_uint() & 0xFF000000) == 0x7F000000;
 }
 
-bool address_v4::is_unspecified() const
+bool address_v4::is_unspecified() const ASIO_NOEXCEPT
 {
   return to_uint() == 0;
 }
@@ -135,7 +135,7 @@ bool address_v4::is_class_c() const
 }
 #endif // !defined(ASIO_NO_DEPRECATED)
 
-bool address_v4::is_multicast() const
+bool address_v4::is_multicast() const ASIO_NOEXCEPT
 {
   return (to_uint() & 0xF0000000) == 0xE0000000;
 }
@@ -166,8 +166,8 @@ address_v4 make_address_v4(const char* str)
   return addr;
 }
 
-address_v4 make_address_v4(
-    const char* str, asio::error_code& ec)
+address_v4 make_address_v4(const char* str,
+    asio::error_code& ec) ASIO_NOEXCEPT
 {
   address_v4::bytes_type bytes;
   if (asio::detail::socket_ops::inet_pton(
@@ -181,13 +181,13 @@ address_v4 make_address_v4(const std::string& str)
   return make_address_v4(str.c_str());
 }
 
-address_v4 make_address_v4(
-    const std::string& str, asio::error_code& ec)
+address_v4 make_address_v4(const std::string& str,
+    asio::error_code& ec) ASIO_NOEXCEPT
 {
   return make_address_v4(str.c_str(), ec);
 }
 
-#if defined(ASIO_HAS_STD_STRING_VIEW)
+#if defined(ASIO_HAS_STRING_VIEW)
 
 address_v4 make_address_v4(string_view str)
 {
@@ -195,12 +195,12 @@ address_v4 make_address_v4(string_view str)
 }
 
 address_v4 make_address_v4(string_view str,
-    asio::error_code& ec)
+    asio::error_code& ec) ASIO_NOEXCEPT
 {
   return make_address_v4(static_cast<std::string>(str), ec);
 }
 
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
 
 } // namespace ip
 } // namespace asio
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/address_v6.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/address_v6.hpp
index d9ada71..985203d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/address_v6.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/address_v6.hpp
@@ -2,7 +2,7 @@
 // ip/impl/address_v6.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/address_v6.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/address_v6.ipp
index 1bfa71b..73b3617 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/address_v6.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/address_v6.ipp
@@ -2,7 +2,7 @@
 // ip/impl/address_v6.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -31,7 +31,7 @@
 namespace asio {
 namespace ip {
 
-address_v6::address_v6()
+address_v6::address_v6() ASIO_NOEXCEPT
   : addr_(),
     scope_id_(0)
 {
@@ -56,21 +56,21 @@ address_v6::address_v6(const address_v6::bytes_type& bytes,
   memcpy(addr_.s6_addr, bytes.data(), 16);
 }
 
-address_v6::address_v6(const address_v6& other)
+address_v6::address_v6(const address_v6& other) ASIO_NOEXCEPT
   : addr_(other.addr_),
     scope_id_(other.scope_id_)
 {
 }
 
 #if defined(ASIO_HAS_MOVE)
-address_v6::address_v6(address_v6&& other)
+address_v6::address_v6(address_v6&& other) ASIO_NOEXCEPT
   : addr_(other.addr_),
     scope_id_(other.scope_id_)
 {
 }
 #endif // defined(ASIO_HAS_MOVE)
 
-address_v6& address_v6::operator=(const address_v6& other)
+address_v6& address_v6::operator=(const address_v6& other) ASIO_NOEXCEPT
 {
   addr_ = other.addr_;
   scope_id_ = other.scope_id_;
@@ -78,7 +78,7 @@ address_v6& address_v6::operator=(const address_v6& other)
 }
 
 #if defined(ASIO_HAS_MOVE)
-address_v6& address_v6::operator=(address_v6&& other)
+address_v6& address_v6::operator=(address_v6&& other) ASIO_NOEXCEPT
 {
   addr_ = other.addr_;
   scope_id_ = other.scope_id_;
@@ -86,7 +86,7 @@ address_v6& address_v6::operator=(address_v6&& other)
 }
 #endif // defined(ASIO_HAS_MOVE)
 
-address_v6::bytes_type address_v6::to_bytes() const
+address_v6::bytes_type address_v6::to_bytes() const ASIO_NOEXCEPT
 {
   using namespace std; // For memcpy.
   bytes_type bytes;
@@ -138,7 +138,7 @@ address_v4 address_v6::to_v4() const
 }
 #endif // !defined(ASIO_NO_DEPRECATED)
 
-bool address_v6::is_loopback() const
+bool address_v6::is_loopback() const ASIO_NOEXCEPT
 {
   return ((addr_.s6_addr[0] == 0) && (addr_.s6_addr[1] == 0)
       && (addr_.s6_addr[2] == 0) && (addr_.s6_addr[3] == 0)
@@ -150,7 +150,7 @@ bool address_v6::is_loopback() const
       && (addr_.s6_addr[14] == 0) && (addr_.s6_addr[15] == 1));
 }
 
-bool address_v6::is_unspecified() const
+bool address_v6::is_unspecified() const ASIO_NOEXCEPT
 {
   return ((addr_.s6_addr[0] == 0) && (addr_.s6_addr[1] == 0)
       && (addr_.s6_addr[2] == 0) && (addr_.s6_addr[3] == 0)
@@ -162,17 +162,17 @@ bool address_v6::is_unspecified() const
       && (addr_.s6_addr[14] == 0) && (addr_.s6_addr[15] == 0));
 }
 
-bool address_v6::is_link_local() const
+bool address_v6::is_link_local() const ASIO_NOEXCEPT
 {
   return ((addr_.s6_addr[0] == 0xfe) && ((addr_.s6_addr[1] & 0xc0) == 0x80));
 }
 
-bool address_v6::is_site_local() const
+bool address_v6::is_site_local() const ASIO_NOEXCEPT
 {
   return ((addr_.s6_addr[0] == 0xfe) && ((addr_.s6_addr[1] & 0xc0) == 0xc0));
 }
 
-bool address_v6::is_v4_mapped() const
+bool address_v6::is_v4_mapped() const ASIO_NOEXCEPT
 {
   return ((addr_.s6_addr[0] == 0) && (addr_.s6_addr[1] == 0)
       && (addr_.s6_addr[2] == 0) && (addr_.s6_addr[3] == 0)
@@ -198,37 +198,37 @@ bool address_v6::is_v4_compatible() const
 }
 #endif // !defined(ASIO_NO_DEPRECATED)
 
-bool address_v6::is_multicast() const
+bool address_v6::is_multicast() const ASIO_NOEXCEPT
 {
   return (addr_.s6_addr[0] == 0xff);
 }
 
-bool address_v6::is_multicast_global() const
+bool address_v6::is_multicast_global() const ASIO_NOEXCEPT
 {
   return ((addr_.s6_addr[0] == 0xff) && ((addr_.s6_addr[1] & 0x0f) == 0x0e));
 }
 
-bool address_v6::is_multicast_link_local() const
+bool address_v6::is_multicast_link_local() const ASIO_NOEXCEPT
 {
   return ((addr_.s6_addr[0] == 0xff) && ((addr_.s6_addr[1] & 0x0f) == 0x02));
 }
 
-bool address_v6::is_multicast_node_local() const
+bool address_v6::is_multicast_node_local() const ASIO_NOEXCEPT
 {
   return ((addr_.s6_addr[0] == 0xff) && ((addr_.s6_addr[1] & 0x0f) == 0x01));
 }
 
-bool address_v6::is_multicast_org_local() const
+bool address_v6::is_multicast_org_local() const ASIO_NOEXCEPT
 {
   return ((addr_.s6_addr[0] == 0xff) && ((addr_.s6_addr[1] & 0x0f) == 0x08));
 }
 
-bool address_v6::is_multicast_site_local() const
+bool address_v6::is_multicast_site_local() const ASIO_NOEXCEPT
 {
   return ((addr_.s6_addr[0] == 0xff) && ((addr_.s6_addr[1] & 0x0f) == 0x05));
 }
 
-bool operator==(const address_v6& a1, const address_v6& a2)
+bool operator==(const address_v6& a1, const address_v6& a2) ASIO_NOEXCEPT
 {
   using namespace std; // For memcmp.
   return memcmp(&a1.addr_, &a2.addr_,
@@ -236,7 +236,7 @@ bool operator==(const address_v6& a1, const address_v6& a2)
     && a1.scope_id_ == a2.scope_id_;
 }
 
-bool operator<(const address_v6& a1, const address_v6& a2)
+bool operator<(const address_v6& a1, const address_v6& a2) ASIO_NOEXCEPT
 {
   using namespace std; // For memcmp.
   int memcmp_result = memcmp(&a1.addr_, &a2.addr_,
@@ -248,7 +248,7 @@ bool operator<(const address_v6& a1, const address_v6& a2)
   return a1.scope_id_ < a2.scope_id_;
 }
 
-address_v6 address_v6::loopback()
+address_v6 address_v6::loopback() ASIO_NOEXCEPT
 {
   address_v6 tmp;
   tmp.addr_.s6_addr[15] = 1;
@@ -281,8 +281,8 @@ address_v6 make_address_v6(const char* str)
   return addr;
 }
 
-address_v6 make_address_v6(
-    const char* str, asio::error_code& ec)
+address_v6 make_address_v6(const char* str,
+    asio::error_code& ec) ASIO_NOEXCEPT
 {
   address_v6::bytes_type bytes;
   unsigned long scope_id = 0;
@@ -297,13 +297,13 @@ address_v6 make_address_v6(const std::string& str)
   return make_address_v6(str.c_str());
 }
 
-address_v6 make_address_v6(
-    const std::string& str, asio::error_code& ec)
+address_v6 make_address_v6(const std::string& str,
+    asio::error_code& ec) ASIO_NOEXCEPT
 {
   return make_address_v6(str.c_str(), ec);
 }
 
-#if defined(ASIO_HAS_STD_STRING_VIEW)
+#if defined(ASIO_HAS_STRING_VIEW)
 
 address_v6 make_address_v6(string_view str)
 {
@@ -311,12 +311,12 @@ address_v6 make_address_v6(string_view str)
 }
 
 address_v6 make_address_v6(string_view str,
-    asio::error_code& ec)
+    asio::error_code& ec) ASIO_NOEXCEPT
 {
   return make_address_v6(static_cast<std::string>(str), ec);
 }
 
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
 
 address_v4 make_address_v4(
     v4_mapped_t, const address_v6& v6_addr)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/basic_endpoint.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/basic_endpoint.hpp
index 3c283ae..f589e51 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/basic_endpoint.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/basic_endpoint.hpp
@@ -2,7 +2,7 @@
 // ip/impl/basic_endpoint.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/host_name.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/host_name.ipp
index 47a3f5f..845c7b9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/host_name.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/host_name.ipp
@@ -2,7 +2,7 @@
 // ip/impl/host_name.ipp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/network_v4.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/network_v4.hpp
index 857eeee..8912fa0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/network_v4.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/network_v4.hpp
@@ -2,7 +2,7 @@
 // ip/impl/network_v4.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2014 Oliver Kowalke (oliver dot kowalke at gmail dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/network_v4.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/network_v4.ipp
index 58a6a34..c87b890 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/network_v4.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/network_v4.ipp
@@ -2,7 +2,7 @@
 // ip/impl/network_v4.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2014 Oliver Kowalke (oliver dot kowalke at gmail dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -126,6 +126,7 @@ std::string network_v4::to_string() const
 
 std::string network_v4::to_string(asio::error_code& ec) const
 {
+  using namespace std; // For sprintf.
   ec = asio::error_code();
   char prefix_len[16];
 #if defined(ASIO_HAS_SECURE_RTL)
@@ -192,7 +193,7 @@ network_v4 make_network_v4(const std::string& str,
   return network_v4(addr, static_cast<unsigned short>(prefix_len));
 }
 
-#if defined(ASIO_HAS_STD_STRING_VIEW)
+#if defined(ASIO_HAS_STRING_VIEW)
 
 network_v4 make_network_v4(string_view str)
 {
@@ -205,7 +206,7 @@ network_v4 make_network_v4(string_view str,
   return make_network_v4(static_cast<std::string>(str), ec);
 }
 
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
 
 } // namespace ip
 } // namespace asio
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/network_v6.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/network_v6.hpp
index df4dccb..381b838 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/network_v6.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/network_v6.hpp
@@ -2,7 +2,7 @@
 // ip/impl/network_v6.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/network_v6.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/network_v6.ipp
index 648af8a..67834f0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/network_v6.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/impl/network_v6.ipp
@@ -2,7 +2,7 @@
 // ip/impl/network_v6.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2014 Oliver Kowalke (oliver dot kowalke at gmail dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -95,6 +95,7 @@ std::string network_v6::to_string() const
 
 std::string network_v6::to_string(asio::error_code& ec) const
 {
+  using namespace std; // For sprintf.
   ec = asio::error_code();
   char prefix_len[16];
 #if defined(ASIO_HAS_SECURE_RTL)
@@ -161,7 +162,7 @@ network_v6 make_network_v6(const std::string& str,
   return network_v6(addr, static_cast<unsigned short>(prefix_len));
 }
 
-#if defined(ASIO_HAS_STD_STRING_VIEW)
+#if defined(ASIO_HAS_STRING_VIEW)
 
 network_v6 make_network_v6(string_view str)
 {
@@ -174,7 +175,7 @@ network_v6 make_network_v6(string_view str,
   return make_network_v6(static_cast<std::string>(str), ec);
 }
 
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
 
 } // namespace ip
 } // namespace asio
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/multicast.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/multicast.hpp
index 7beddea..0f711fb 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/multicast.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/multicast.hpp
@@ -2,7 +2,7 @@
 // ip/multicast.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -32,7 +32,7 @@ namespace multicast {
  * @par Examples
  * Setting the option to join a multicast group:
  * @code
- * asio::ip::udp::socket socket(io_context); 
+ * asio::ip::udp::socket socket(my_context);
  * ...
  * asio::ip::address multicast_address =
  *   asio::ip::address::from_string("225.0.0.1");
@@ -60,7 +60,7 @@ typedef asio::ip::detail::socket_option::multicast_request<
  * @par Examples
  * Setting the option to leave a multicast group:
  * @code
- * asio::ip::udp::socket socket(io_context); 
+ * asio::ip::udp::socket socket(my_context);
  * ...
  * asio::ip::address multicast_address =
  *   asio::ip::address::from_string("225.0.0.1");
@@ -88,7 +88,7 @@ typedef asio::ip::detail::socket_option::multicast_request<
  * @par Examples
  * Setting the option:
  * @code
- * asio::ip::udp::socket socket(io_context); 
+ * asio::ip::udp::socket socket(my_context);
  * ...
  * asio::ip::address_v4 local_interface =
  *   asio::ip::address_v4::from_string("1.2.3.4");
@@ -116,7 +116,7 @@ typedef asio::ip::detail::socket_option::network_interface<
  * @par Examples
  * Setting the option:
  * @code
- * asio::ip::udp::socket socket(io_context); 
+ * asio::ip::udp::socket socket(my_context);
  * ...
  * asio::ip::multicast::hops option(4);
  * socket.set_option(option);
@@ -125,7 +125,7 @@ typedef asio::ip::detail::socket_option::network_interface<
  * @par
  * Getting the current option value:
  * @code
- * asio::ip::udp::socket socket(io_context); 
+ * asio::ip::udp::socket socket(my_context);
  * ...
  * asio::ip::multicast::hops option;
  * socket.get_option(option);
@@ -153,7 +153,7 @@ typedef asio::ip::detail::socket_option::multicast_hops<
  * @par Examples
  * Setting the option:
  * @code
- * asio::ip::udp::socket socket(io_context); 
+ * asio::ip::udp::socket socket(my_context);
  * ...
  * asio::ip::multicast::enable_loopback option(true);
  * socket.set_option(option);
@@ -162,7 +162,7 @@ typedef asio::ip::detail::socket_option::multicast_hops<
  * @par
  * Getting the current option value:
  * @code
- * asio::ip::udp::socket socket(io_context); 
+ * asio::ip::udp::socket socket(my_context);
  * ...
  * asio::ip::multicast::enable_loopback option;
  * socket.get_option(option);
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/network_v4.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/network_v4.hpp
index ed9048c..1239b9f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/network_v4.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/network_v4.hpp
@@ -2,7 +2,7 @@
 // ip/network_v4.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2014 Oliver Kowalke (oliver dot kowalke at gmail dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -207,7 +207,7 @@ ASIO_DECL network_v4 make_network_v4(const std::string& str);
 ASIO_DECL network_v4 make_network_v4(
     const std::string& str, asio::error_code& ec);
 
-#if defined(ASIO_HAS_STD_STRING_VIEW) \
+#if defined(ASIO_HAS_STRING_VIEW) \
   || defined(GENERATING_DOCUMENTATION)
 
 /// Create an IPv4 network from a string containing IP address and prefix
@@ -225,7 +225,7 @@ ASIO_DECL network_v4 make_network_v4(string_view str);
 ASIO_DECL network_v4 make_network_v4(
     string_view str, asio::error_code& ec);
 
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
        //  || defined(GENERATING_DOCUMENTATION)
 
 #if !defined(ASIO_NO_IOSTREAM)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/network_v6.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/network_v6.hpp
index 3a7b55f..ad5604a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/network_v6.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/network_v6.hpp
@@ -2,7 +2,7 @@
 // ip/network_v6.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2014 Oliver Kowalke (oliver dot kowalke at gmail dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -181,7 +181,7 @@ ASIO_DECL network_v6 make_network_v6(const std::string& str);
 ASIO_DECL network_v6 make_network_v6(
     const std::string& str, asio::error_code& ec);
 
-#if defined(ASIO_HAS_STD_STRING_VIEW) \
+#if defined(ASIO_HAS_STRING_VIEW) \
   || defined(GENERATING_DOCUMENTATION)
 
 /// Create an IPv6 network from a string containing IP address and prefix
@@ -199,7 +199,7 @@ ASIO_DECL network_v6 make_network_v6(string_view str);
 ASIO_DECL network_v6 make_network_v6(
     string_view str, asio::error_code& ec);
 
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
        //  || defined(GENERATING_DOCUMENTATION)
 
 #if !defined(ASIO_NO_IOSTREAM)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/resolver_base.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/resolver_base.hpp
index 2ed7899..6edd762 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/resolver_base.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/resolver_base.hpp
@@ -2,7 +2,7 @@
 // ip/resolver_base.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/resolver_query_base.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/resolver_query_base.hpp
index 809edbd..b60ce5a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/resolver_query_base.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/resolver_query_base.hpp
@@ -2,7 +2,7 @@
 // ip/resolver_query_base.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/resolver_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/resolver_service.hpp
deleted file mode 100644
index 2e4cfd9..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/resolver_service.hpp
+++ /dev/null
@@ -1,200 +0,0 @@
-//
-// ip/resolver_service.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef ASIO_IP_RESOLVER_SERVICE_HPP
-#define ASIO_IP_RESOLVER_SERVICE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#include "asio/async_result.hpp"
-#include "asio/error_code.hpp"
-#include "asio/io_context.hpp"
-#include "asio/ip/basic_resolver_iterator.hpp"
-#include "asio/ip/basic_resolver_query.hpp"
-#include "asio/ip/basic_resolver_results.hpp"
-
-#if defined(ASIO_WINDOWS_RUNTIME)
-# include "asio/detail/winrt_resolver_service.hpp"
-#else
-# include "asio/detail/resolver_service.hpp"
-#endif
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace ip {
-
-/// Default service implementation for a resolver.
-template <typename InternetProtocol>
-class resolver_service
-#if defined(GENERATING_DOCUMENTATION)
-  : public asio::io_context::service
-#else
-  : public asio::detail::service_base<
-      resolver_service<InternetProtocol> >
-#endif
-{
-public:
-#if defined(GENERATING_DOCUMENTATION)
-  /// The unique service identifier.
-  static asio::io_context::id id;
-#endif
-
-  /// The protocol type.
-  typedef InternetProtocol protocol_type;
-
-  /// The endpoint type.
-  typedef typename InternetProtocol::endpoint endpoint_type;
-
-  /// The query type.
-  typedef basic_resolver_query<InternetProtocol> query_type;
-
-  /// The iterator type.
-  typedef basic_resolver_iterator<InternetProtocol> iterator_type;
-
-  /// The results type.
-  typedef basic_resolver_results<InternetProtocol> results_type;
-
-private:
-  // The type of the platform-specific implementation.
-#if defined(ASIO_WINDOWS_RUNTIME)
-  typedef asio::detail::winrt_resolver_service<InternetProtocol>
-    service_impl_type;
-#else
-  typedef asio::detail::resolver_service<InternetProtocol>
-    service_impl_type;
-#endif
-
-public:
-  /// The type of a resolver implementation.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined implementation_type;
-#else
-  typedef typename service_impl_type::implementation_type implementation_type;
-#endif
-
-  /// Construct a new resolver service for the specified io_context.
-  explicit resolver_service(asio::io_context& io_context)
-    : asio::detail::service_base<
-        resolver_service<InternetProtocol> >(io_context),
-      service_impl_(io_context)
-  {
-  }
-
-  /// Construct a new resolver implementation.
-  void construct(implementation_type& impl)
-  {
-    service_impl_.construct(impl);
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a new resolver implementation.
-  void move_construct(implementation_type& impl,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_construct(impl, other_impl);
-  }
-
-  /// Move-assign from another resolver implementation.
-  void move_assign(implementation_type& impl,
-      resolver_service& other_service,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_assign(impl, other_service.service_impl_, other_impl);
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-  /// Destroy a resolver implementation.
-  void destroy(implementation_type& impl)
-  {
-    service_impl_.destroy(impl);
-  }
-
-  /// Cancel pending asynchronous operations.
-  void cancel(implementation_type& impl)
-  {
-    service_impl_.cancel(impl);
-  }
-
-  /// Resolve a query to a list of entries.
-  results_type resolve(implementation_type& impl, const query_type& query,
-      asio::error_code& ec)
-  {
-    return service_impl_.resolve(impl, query, ec);
-  }
-
-  /// Asynchronously resolve a query to a list of entries.
-  template <typename ResolveHandler>
-  ASIO_INITFN_RESULT_TYPE(ResolveHandler,
-      void (asio::error_code, results_type))
-  async_resolve(implementation_type& impl, const query_type& query,
-      ASIO_MOVE_ARG(ResolveHandler) handler)
-  {
-    asio::async_completion<ResolveHandler,
-      void (asio::error_code, results_type)> init(handler);
-
-    service_impl_.async_resolve(impl, query, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Resolve an endpoint to a list of entries.
-  results_type resolve(implementation_type& impl,
-      const endpoint_type& endpoint, asio::error_code& ec)
-  {
-    return service_impl_.resolve(impl, endpoint, ec);
-  }
-
-  /// Asynchronously resolve an endpoint to a list of entries.
-  template <typename ResolveHandler>
-  ASIO_INITFN_RESULT_TYPE(ResolveHandler,
-      void (asio::error_code, results_type))
-  async_resolve(implementation_type& impl, const endpoint_type& endpoint,
-      ASIO_MOVE_ARG(ResolveHandler) handler)
-  {
-    asio::async_completion<ResolveHandler,
-      void (asio::error_code, results_type)> init(handler);
-
-    service_impl_.async_resolve(impl, endpoint, init.completion_handler);
-
-    return init.result.get();
-  }
-
-private:
-  // Destroy all user-defined handler objects owned by the service.
-  void shutdown()
-  {
-    service_impl_.shutdown();
-  }
-
-  // Perform any fork-related housekeeping.
-  void notify_fork(asio::io_context::fork_event event)
-  {
-    service_impl_.notify_fork(event);
-  }
-
-  // The platform-specific implementation.
-  service_impl_type service_impl_;
-};
-
-} // namespace ip
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_IP_RESOLVER_SERVICE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/tcp.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/tcp.hpp
index aaa2cc4..9df913a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/tcp.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/tcp.hpp
@@ -2,7 +2,7 @@
 // ip/tcp.hpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -99,7 +99,7 @@ public:
    * @par Examples
    * Setting the option:
    * @code
-   * asio::ip::tcp::socket socket(io_context); 
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::ip::tcp::no_delay option(true);
    * socket.set_option(option);
@@ -108,7 +108,7 @@ public:
    * @par
    * Getting the current option value:
    * @code
-   * asio::ip::tcp::socket socket(io_context); 
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::ip::tcp::no_delay option;
    * socket.get_option(option);
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/udp.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/udp.hpp
index 7407099..a93a9dd 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/udp.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/udp.hpp
@@ -2,7 +2,7 @@
 // ip/udp.hpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/unicast.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/unicast.hpp
index 86444e0..0bc64c8 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/unicast.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/unicast.hpp
@@ -2,7 +2,7 @@
 // ip/unicast.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -32,7 +32,7 @@ namespace unicast {
  * @par Examples
  * Setting the option:
  * @code
- * asio::ip::udp::socket socket(io_context); 
+ * asio::ip::udp::socket socket(my_context);
  * ...
  * asio::ip::unicast::hops option(4);
  * socket.set_option(option);
@@ -41,7 +41,7 @@ namespace unicast {
  * @par
  * Getting the current option value:
  * @code
- * asio::ip::udp::socket socket(io_context); 
+ * asio::ip::udp::socket socket(my_context);
  * ...
  * asio::ip::unicast::hops option;
  * socket.get_option(option);
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/v6_only.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/v6_only.hpp
index dff26cb..ff9dac4 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/v6_only.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ip/v6_only.hpp
@@ -2,7 +2,7 @@
 // ip/v6_only.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -31,7 +31,7 @@ namespace ip {
  * @par Examples
  * Setting the option:
  * @code
- * asio::ip::tcp::socket socket(io_context); 
+ * asio::ip::tcp::socket socket(my_context);
  * ...
  * asio::ip::v6_only option(true);
  * socket.set_option(option);
@@ -40,7 +40,7 @@ namespace ip {
  * @par
  * Getting the current option value:
  * @code
- * asio::ip::tcp::socket socket(io_context); 
+ * asio::ip::tcp::socket socket(my_context);
  * ...
  * asio::ip::v6_only option;
  * socket.get_option(option);
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/is_executor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/is_executor.hpp
index fd851c9..8497da3 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/is_executor.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/is_executor.hpp
@@ -2,7 +2,7 @@
 // is_executor.hpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/is_read_buffered.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/is_read_buffered.hpp
index 936c44a..c75b489 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/is_read_buffered.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/is_read_buffered.hpp
@@ -2,7 +2,7 @@
 // is_read_buffered.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/is_write_buffered.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/is_write_buffered.hpp
index 8075e80..fd37f3a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/is_write_buffered.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/is_write_buffered.hpp
@@ -2,7 +2,7 @@
 // is_write_buffered.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/local/basic_endpoint.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/local/basic_endpoint.hpp
index 421e252..c92ba25 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/local/basic_endpoint.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/local/basic_endpoint.hpp
@@ -2,7 +2,7 @@
 // local/basic_endpoint.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Derived from a public domain implementation written by Daniel Casimiro.
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -76,6 +76,14 @@ public:
   {
   }
 
+  #if defined(ASIO_HAS_STRING_VIEW)
+  /// Construct an endpoint using the specified path name.
+  basic_endpoint(string_view path_name)
+    : impl_(path_name)
+  {
+  }
+  #endif // defined(ASIO_HAS_STRING_VIEW)
+
   /// Copy constructor.
   basic_endpoint(const basic_endpoint& other)
     : impl_(other.impl_)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/local/connect_pair.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/local/connect_pair.hpp
index ba584df..ed48b61 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/local/connect_pair.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/local/connect_pair.hpp
@@ -2,7 +2,7 @@
 // local/connect_pair.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -32,33 +32,28 @@ namespace asio {
 namespace local {
 
 /// Create a pair of connected sockets.
-template <typename Protocol ASIO_SVC_TPARAM ASIO_SVC_TPARAM1>
-void connect_pair(
-    basic_socket<Protocol ASIO_SVC_TARG>& socket1,
-    basic_socket<Protocol ASIO_SVC_TARG1>& socket2);
+template <typename Protocol, typename Executor1, typename Executor2>
+void connect_pair(basic_socket<Protocol, Executor1>& socket1,
+    basic_socket<Protocol, Executor2>& socket2);
 
 /// Create a pair of connected sockets.
-template <typename Protocol ASIO_SVC_TPARAM ASIO_SVC_TPARAM1>
-ASIO_SYNC_OP_VOID connect_pair(
-    basic_socket<Protocol ASIO_SVC_TARG>& socket1,
-    basic_socket<Protocol ASIO_SVC_TARG1>& socket2,
-    asio::error_code& ec);
+template <typename Protocol, typename Executor1, typename Executor2>
+ASIO_SYNC_OP_VOID connect_pair(basic_socket<Protocol, Executor1>& socket1,
+    basic_socket<Protocol, Executor2>& socket2, asio::error_code& ec);
 
-template <typename Protocol ASIO_SVC_TPARAM ASIO_SVC_TPARAM1>
-inline void connect_pair(
-    basic_socket<Protocol ASIO_SVC_TARG>& socket1,
-    basic_socket<Protocol ASIO_SVC_TARG1>& socket2)
+template <typename Protocol, typename Executor1, typename Executor2>
+inline void connect_pair(basic_socket<Protocol, Executor1>& socket1,
+    basic_socket<Protocol, Executor2>& socket2)
 {
   asio::error_code ec;
   connect_pair(socket1, socket2, ec);
   asio::detail::throw_error(ec, "connect_pair");
 }
 
-template <typename Protocol ASIO_SVC_TPARAM ASIO_SVC_TPARAM1>
+template <typename Protocol, typename Executor1, typename Executor2>
 inline ASIO_SYNC_OP_VOID connect_pair(
-    basic_socket<Protocol ASIO_SVC_TARG>& socket1,
-    basic_socket<Protocol ASIO_SVC_TARG1>& socket2,
-    asio::error_code& ec)
+    basic_socket<Protocol, Executor1>& socket1,
+    basic_socket<Protocol, Executor2>& socket2, asio::error_code& ec)
 {
   // Check that this function is only being used with a UNIX domain socket.
   asio::local::basic_endpoint<Protocol>* tmp
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/local/datagram_protocol.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/local/datagram_protocol.hpp
index b1cd84f..9b2be58 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/local/datagram_protocol.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/local/datagram_protocol.hpp
@@ -2,7 +2,7 @@
 // local/datagram_protocol.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/local/detail/endpoint.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/local/detail/endpoint.hpp
index 7e7e4a5..042b21a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/local/detail/endpoint.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/local/detail/endpoint.hpp
@@ -2,7 +2,7 @@
 // local/detail/endpoint.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Derived from a public domain implementation written by Daniel Casimiro.
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -23,6 +23,7 @@
 #include <cstddef>
 #include <string>
 #include "asio/detail/socket_types.hpp"
+#include "asio/detail/string_view.hpp"
 
 #include "asio/detail/push_options.hpp"
 
@@ -43,6 +44,11 @@ public:
   // Construct an endpoint using the specified path name.
   ASIO_DECL endpoint(const std::string& path_name);
 
+  #if defined(ASIO_HAS_STRING_VIEW)
+  // Construct an endpoint using the specified path name.
+  ASIO_DECL endpoint(string_view path_name);
+  #endif // defined(ASIO_HAS_STRING_VIEW)
+
   // Copy constructor.
   endpoint(const endpoint& other)
     : data_(other.data_),
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/local/detail/impl/endpoint.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/local/detail/impl/endpoint.ipp
index af02fea..357d725 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/local/detail/impl/endpoint.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/local/detail/impl/endpoint.ipp
@@ -2,7 +2,7 @@
 // local/detail/impl/endpoint.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Derived from a public domain implementation written by Daniel Casimiro.
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -48,6 +48,13 @@ endpoint::endpoint(const std::string& path_name)
   init(path_name.data(), path_name.length());
 }
 
+#if defined(ASIO_HAS_STRING_VIEW)
+endpoint::endpoint(string_view path_name)
+{
+  init(path_name.data(), path_name.length());
+}
+#endif // defined(ASIO_HAS_STRING_VIEW)
+
 void endpoint::resize(std::size_t new_size)
 {
   if (new_size > sizeof(asio::detail::sockaddr_un_type))
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/local/stream_protocol.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/local/stream_protocol.hpp
index 7a9a0a8..0b1ee2e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/local/stream_protocol.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/local/stream_protocol.hpp
@@ -2,7 +2,7 @@
 // local/stream_protocol.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/packaged_task.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/packaged_task.hpp
index 8b19bc1..49e9771 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/packaged_task.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/packaged_task.hpp
@@ -2,7 +2,7 @@
 // packaged_task.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -16,11 +16,11 @@
 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
 
 #include "asio/detail/config.hpp"
+#include "asio/detail/future.hpp"
 
-#if defined(ASIO_HAS_STD_FUTURE) \
+#if defined(ASIO_HAS_STD_FUTURE_CLASS) \
   || defined(GENERATING_DOCUMENTATION)
 
-#include <future>
 #include "asio/async_result.hpp"
 #include "asio/detail/type_traits.hpp"
 #include "asio/detail/variadic_templates.hpp"
@@ -120,7 +120,7 @@ private:
 
 #include "asio/detail/pop_options.hpp"
 
-#endif // defined(ASIO_HAS_STD_FUTURE)
+#endif // defined(ASIO_HAS_STD_FUTURE_CLASS)
        //   || defined(GENERATING_DOCUMENTATION)
 
 #endif // ASIO_PACKAGED_TASK_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/placeholders.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/placeholders.hpp
index efa4315..7c89753 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/placeholders.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/placeholders.hpp
@@ -2,7 +2,7 @@
 // placeholders.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/posix/basic_descriptor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/posix/basic_descriptor.hpp
index 1759388..030bf5e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/posix/basic_descriptor.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/posix/basic_descriptor.hpp
@@ -2,7 +2,7 @@
 // posix/basic_descriptor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -17,16 +17,24 @@
 
 #include "asio/detail/config.hpp"
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
 #if defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR) \
   || defined(GENERATING_DOCUMENTATION)
 
-#include "asio/basic_io_object.hpp"
+#include "asio/async_result.hpp"
+#include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/io_object_impl.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
+#include "asio/detail/reactive_descriptor_service.hpp"
 #include "asio/detail/throw_error.hpp"
 #include "asio/error.hpp"
+#include "asio/execution_context.hpp"
+#include "asio/executor.hpp"
 #include "asio/posix/descriptor_base.hpp"
 
+#if defined(ASIO_HAS_MOVE)
+# include <utility>
+#endif // defined(ASIO_HAS_MOVE)
+
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
@@ -41,37 +49,61 @@ namespace posix {
  * @e Distinct @e objects: Safe.@n
  * @e Shared @e objects: Unsafe.
  */
-template <typename DescriptorService>
+template <typename Executor = executor>
 class basic_descriptor
-  : public basic_io_object<DescriptorService>,
-    public descriptor_base
+  : public descriptor_base
 {
 public:
+  /// The type of the executor associated with the object.
+  typedef Executor executor_type;
+
   /// The native representation of a descriptor.
-  typedef typename DescriptorService::native_handle_type native_handle_type;
+#if defined(GENERATING_DOCUMENTATION)
+  typedef implementation_defined native_handle_type;
+#else
+  typedef detail::reactive_descriptor_service::native_handle_type
+    native_handle_type;
+#endif
 
-  /// A basic_descriptor is always the lowest layer.
-  typedef basic_descriptor<DescriptorService> lowest_layer_type;
+  /// A descriptor is always the lowest layer.
+  typedef basic_descriptor lowest_layer_type;
 
-  /// Construct a basic_descriptor without opening it.
+  /// Construct a descriptor without opening it.
   /**
    * This constructor creates a descriptor without opening it.
    *
-   * @param io_context The io_context object that the descriptor will use to
+   * @param ex The I/O executor that the descriptor will use, by default, to
    * dispatch handlers for any asynchronous operations performed on the
    * descriptor.
    */
-  explicit basic_descriptor(asio::io_context& io_context)
-    : basic_io_object<DescriptorService>(io_context)
+  explicit basic_descriptor(const executor_type& ex)
+    : impl_(ex)
   {
   }
 
-  /// Construct a basic_descriptor on an existing native descriptor.
+  /// Construct a descriptor without opening it.
+  /**
+   * This constructor creates a descriptor without opening it.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the descriptor will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the descriptor.
+   */
+  template <typename ExecutionContext>
+  explicit basic_descriptor(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+  }
+
+  /// Construct a descriptor on an existing native descriptor.
   /**
    * This constructor creates a descriptor object to hold an existing native
    * descriptor.
    *
-   * @param io_context The io_context object that the descriptor will use to
+   * @param ex The I/O executor that the descriptor will use, by default, to
    * dispatch handlers for any asynchronous operations performed on the
    * descriptor.
    *
@@ -79,55 +111,88 @@ public:
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_descriptor(asio::io_context& io_context,
+  basic_descriptor(const executor_type& ex,
       const native_handle_type& native_descriptor)
-    : basic_io_object<DescriptorService>(io_context)
+    : impl_(ex)
   {
     asio::error_code ec;
-    this->get_service().assign(this->get_implementation(),
+    impl_.get_service().assign(impl_.get_implementation(),
+        native_descriptor, ec);
+    asio::detail::throw_error(ec, "assign");
+  }
+
+  /// Construct a descriptor on an existing native descriptor.
+  /**
+   * This constructor creates a descriptor object to hold an existing native
+   * descriptor.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the descriptor will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the descriptor.
+   *
+   * @param native_descriptor A native descriptor.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_descriptor(ExecutionContext& context,
+      const native_handle_type& native_descriptor,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    impl_.get_service().assign(impl_.get_implementation(),
         native_descriptor, ec);
     asio::detail::throw_error(ec, "assign");
   }
 
 #if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a basic_descriptor from another.
+  /// Move-construct a descriptor from another.
   /**
    * This constructor moves a descriptor from one object to another.
    *
-   * @param other The other basic_descriptor object from which the move will
+   * @param other The other descriptor object from which the move will
    * occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_descriptor(io_context&) constructor.
+   * constructed using the @c basic_descriptor(const executor_type&)
+   * constructor.
    */
   basic_descriptor(basic_descriptor&& other)
-    : basic_io_object<DescriptorService>(
-        ASIO_MOVE_CAST(basic_descriptor)(other))
+    : impl_(std::move(other.impl_))
   {
   }
 
-  /// Move-assign a basic_descriptor from another.
+  /// Move-assign a descriptor from another.
   /**
    * This assignment operator moves a descriptor from one object to another.
    *
-   * @param other The other basic_descriptor object from which the move will
+   * @param other The other descriptor object from which the move will
    * occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_descriptor(io_context&) constructor.
+   * constructed using the @c basic_descriptor(const executor_type&)
+   * constructor.
    */
   basic_descriptor& operator=(basic_descriptor&& other)
   {
-    basic_io_object<DescriptorService>::operator=(
-        ASIO_MOVE_CAST(basic_descriptor)(other));
+    impl_ = std::move(other.impl_);
     return *this;
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
 
+  /// Get the executor associated with the object.
+  executor_type get_executor() ASIO_NOEXCEPT
+  {
+    return impl_.get_executor();
+  }
+
   /// Get a reference to the lowest layer.
   /**
    * This function returns a reference to the lowest layer in a stack of
-   * layers. Since a basic_descriptor cannot contain any further layers, it
+   * layers. Since a descriptor cannot contain any further layers, it
    * simply returns a reference to itself.
    *
    * @return A reference to the lowest layer in the stack of layers. Ownership
@@ -141,7 +206,7 @@ public:
   /// Get a const reference to the lowest layer.
   /**
    * This function returns a const reference to the lowest layer in a stack of
-   * layers. Since a basic_descriptor cannot contain any further layers, it
+   * layers. Since a descriptor cannot contain any further layers, it
    * simply returns a reference to itself.
    *
    * @return A const reference to the lowest layer in the stack of layers.
@@ -163,7 +228,7 @@ public:
   void assign(const native_handle_type& native_descriptor)
   {
     asio::error_code ec;
-    this->get_service().assign(this->get_implementation(),
+    impl_.get_service().assign(impl_.get_implementation(),
         native_descriptor, ec);
     asio::detail::throw_error(ec, "assign");
   }
@@ -179,15 +244,15 @@ public:
   ASIO_SYNC_OP_VOID assign(const native_handle_type& native_descriptor,
       asio::error_code& ec)
   {
-    this->get_service().assign(
-        this->get_implementation(), native_descriptor, ec);
+    impl_.get_service().assign(
+        impl_.get_implementation(), native_descriptor, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
   /// Determine whether the descriptor is open.
   bool is_open() const
   {
-    return this->get_service().is_open(this->get_implementation());
+    return impl_.get_service().is_open(impl_.get_implementation());
   }
 
   /// Close the descriptor.
@@ -202,7 +267,7 @@ public:
   void close()
   {
     asio::error_code ec;
-    this->get_service().close(this->get_implementation(), ec);
+    impl_.get_service().close(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "close");
   }
 
@@ -217,7 +282,7 @@ public:
    */
   ASIO_SYNC_OP_VOID close(asio::error_code& ec)
   {
-    this->get_service().close(this->get_implementation(), ec);
+    impl_.get_service().close(impl_.get_implementation(), ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -229,7 +294,7 @@ public:
    */
   native_handle_type native_handle()
   {
-    return this->get_service().native_handle(this->get_implementation());
+    return impl_.get_service().native_handle(impl_.get_implementation());
   }
 
   /// Release ownership of the native descriptor implementation.
@@ -244,7 +309,7 @@ public:
    */
   native_handle_type release()
   {
-    return this->get_service().release(this->get_implementation());
+    return impl_.get_service().release(impl_.get_implementation());
   }
 
   /// Cancel all asynchronous operations associated with the descriptor.
@@ -258,7 +323,7 @@ public:
   void cancel()
   {
     asio::error_code ec;
-    this->get_service().cancel(this->get_implementation(), ec);
+    impl_.get_service().cancel(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "cancel");
   }
 
@@ -272,7 +337,7 @@ public:
    */
   ASIO_SYNC_OP_VOID cancel(asio::error_code& ec)
   {
-    this->get_service().cancel(this->get_implementation(), ec);
+    impl_.get_service().cancel(impl_.get_implementation(), ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -291,7 +356,7 @@ public:
    * @par Example
    * Getting the number of bytes ready to read:
    * @code
-   * asio::posix::stream_descriptor descriptor(io_context);
+   * asio::posix::stream_descriptor descriptor(my_context);
    * ...
    * asio::posix::stream_descriptor::bytes_readable command;
    * descriptor.io_control(command);
@@ -302,7 +367,7 @@ public:
   void io_control(IoControlCommand& command)
   {
     asio::error_code ec;
-    this->get_service().io_control(this->get_implementation(), command, ec);
+    impl_.get_service().io_control(impl_.get_implementation(), command, ec);
     asio::detail::throw_error(ec, "io_control");
   }
 
@@ -321,7 +386,7 @@ public:
    * @par Example
    * Getting the number of bytes ready to read:
    * @code
-   * asio::posix::stream_descriptor descriptor(io_context);
+   * asio::posix::stream_descriptor descriptor(my_context);
    * ...
    * asio::posix::stream_descriptor::bytes_readable command;
    * asio::error_code ec;
@@ -337,7 +402,7 @@ public:
   ASIO_SYNC_OP_VOID io_control(IoControlCommand& command,
       asio::error_code& ec)
   {
-    this->get_service().io_control(this->get_implementation(), command, ec);
+    impl_.get_service().io_control(impl_.get_implementation(), command, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -354,7 +419,7 @@ public:
    */
   bool non_blocking() const
   {
-    return this->get_service().non_blocking(this->get_implementation());
+    return impl_.get_service().non_blocking(impl_.get_implementation());
   }
 
   /// Sets the non-blocking mode of the descriptor.
@@ -373,7 +438,7 @@ public:
   void non_blocking(bool mode)
   {
     asio::error_code ec;
-    this->get_service().non_blocking(this->get_implementation(), mode, ec);
+    impl_.get_service().non_blocking(impl_.get_implementation(), mode, ec);
     asio::detail::throw_error(ec, "non_blocking");
   }
 
@@ -393,7 +458,7 @@ public:
   ASIO_SYNC_OP_VOID non_blocking(
       bool mode, asio::error_code& ec)
   {
-    this->get_service().non_blocking(this->get_implementation(), mode, ec);
+    impl_.get_service().non_blocking(impl_.get_implementation(), mode, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -413,8 +478,8 @@ public:
    */
   bool native_non_blocking() const
   {
-    return this->get_service().native_non_blocking(
-        this->get_implementation());
+    return impl_.get_service().native_non_blocking(
+        impl_.get_implementation());
   }
 
   /// Sets the non-blocking mode of the native descriptor implementation.
@@ -435,8 +500,8 @@ public:
   void native_non_blocking(bool mode)
   {
     asio::error_code ec;
-    this->get_service().native_non_blocking(
-        this->get_implementation(), mode, ec);
+    impl_.get_service().native_non_blocking(
+        impl_.get_implementation(), mode, ec);
     asio::detail::throw_error(ec, "native_non_blocking");
   }
 
@@ -458,8 +523,8 @@ public:
   ASIO_SYNC_OP_VOID native_non_blocking(
       bool mode, asio::error_code& ec)
   {
-    this->get_service().native_non_blocking(
-        this->get_implementation(), mode, ec);
+    impl_.get_service().native_non_blocking(
+        impl_.get_implementation(), mode, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -474,7 +539,7 @@ public:
    * @par Example
    * Waiting for a descriptor to become readable.
    * @code
-   * asio::posix::stream_descriptor descriptor(io_context);
+   * asio::posix::stream_descriptor descriptor(my_context);
    * ...
    * descriptor.wait(asio::posix::stream_descriptor::wait_read);
    * @endcode
@@ -482,7 +547,7 @@ public:
   void wait(wait_type w)
   {
     asio::error_code ec;
-    this->get_service().wait(this->get_implementation(), w, ec);
+    impl_.get_service().wait(impl_.get_implementation(), w, ec);
     asio::detail::throw_error(ec, "wait");
   }
 
@@ -499,7 +564,7 @@ public:
    * @par Example
    * Waiting for a descriptor to become readable.
    * @code
-   * asio::posix::stream_descriptor descriptor(io_context);
+   * asio::posix::stream_descriptor descriptor(my_context);
    * ...
    * asio::error_code ec;
    * descriptor.wait(asio::posix::stream_descriptor::wait_read, ec);
@@ -507,7 +572,7 @@ public:
    */
   ASIO_SYNC_OP_VOID wait(wait_type w, asio::error_code& ec)
   {
-    this->get_service().wait(this->get_implementation(), w, ec);
+    impl_.get_service().wait(impl_.get_implementation(), w, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -526,9 +591,9 @@ public:
    *   const asio::error_code& error // Result of operation
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @par Example
    * @code
@@ -542,7 +607,7 @@ public:
    *
    * ...
    *
-   * asio::posix::stream_descriptor descriptor(io_context);
+   * asio::posix::stream_descriptor descriptor(my_context);
    * ...
    * descriptor.async_wait(
    *     asio::posix::stream_descriptor::wait_read,
@@ -554,19 +619,44 @@ public:
       void (asio::error_code))
   async_wait(wait_type w, ASIO_MOVE_ARG(WaitHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WaitHandler.
-    ASIO_WAIT_HANDLER_CHECK(WaitHandler, handler) type_check;
-
-    return this->get_service().async_wait(this->get_implementation(),
-        w, ASIO_MOVE_CAST(WaitHandler)(handler));
+    return async_initiate<WaitHandler, void (asio::error_code)>(
+        initiate_async_wait(), handler, this, w);
   }
 
 protected:
   /// Protected destructor to prevent deletion through this type.
+  /**
+   * This function destroys the descriptor, cancelling any outstanding
+   * asynchronous wait operations associated with the descriptor as if by
+   * calling @c cancel.
+   */
   ~basic_descriptor()
   {
   }
+
+  detail::io_object_impl<detail::reactive_descriptor_service, Executor> impl_;
+
+private:
+  // Disallow copying and assignment.
+  basic_descriptor(const basic_descriptor&) ASIO_DELETED;
+  basic_descriptor& operator=(const basic_descriptor&) ASIO_DELETED;
+
+  struct initiate_async_wait
+  {
+    template <typename WaitHandler>
+    void operator()(ASIO_MOVE_ARG(WaitHandler) handler,
+        basic_descriptor* self, wait_type w) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WaitHandler.
+      ASIO_WAIT_HANDLER_CHECK(WaitHandler, handler) type_check;
+
+      detail::non_const_lvalue<WaitHandler> handler2(handler);
+      self->impl_.get_service().async_wait(
+          self->impl_.get_implementation(), w, handler2.value,
+          self->impl_.get_implementation_executor());
+    }
+  };
 };
 
 } // namespace posix
@@ -577,6 +667,4 @@ protected:
 #endif // defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR)
        //   || defined(GENERATING_DOCUMENTATION)
 
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #endif // ASIO_POSIX_BASIC_DESCRIPTOR_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/posix/basic_stream_descriptor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/posix/basic_stream_descriptor.hpp
index d6e3418..3f2c247 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/posix/basic_stream_descriptor.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/posix/basic_stream_descriptor.hpp
@@ -2,7 +2,7 @@
 // posix/basic_stream_descriptor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -16,21 +16,11 @@
 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
 
 #include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
+#include "asio/posix/descriptor.hpp"
 
 #if defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR) \
   || defined(GENERATING_DOCUMENTATION)
 
-#include <cstddef>
-#include "asio/detail/handler_type_requirements.hpp"
-#include "asio/detail/throw_error.hpp"
-#include "asio/error.hpp"
-#include "asio/posix/basic_descriptor.hpp"
-#include "asio/posix/stream_descriptor_service.hpp"
-
-#include "asio/detail/push_options.hpp"
-
 namespace asio {
 namespace posix {
 
@@ -46,81 +36,126 @@ namespace posix {
  * @par Concepts:
  * AsyncReadStream, AsyncWriteStream, Stream, SyncReadStream, SyncWriteStream.
  */
-template <typename StreamDescriptorService = stream_descriptor_service>
+template <typename Executor = executor>
 class basic_stream_descriptor
-  : public basic_descriptor<StreamDescriptorService>
+  : public basic_descriptor<Executor>
 {
 public:
+  /// The type of the executor associated with the object.
+  typedef Executor executor_type;
+
   /// The native representation of a descriptor.
-  typedef typename StreamDescriptorService::native_handle_type
+  typedef typename basic_descriptor<Executor>::native_handle_type
     native_handle_type;
 
-  /// Construct a basic_stream_descriptor without opening it.
+  /// Construct a stream descriptor without opening it.
   /**
    * This constructor creates a stream descriptor without opening it. The
    * descriptor needs to be opened and then connected or accepted before data
    * can be sent or received on it.
    *
-   * @param io_context The io_context object that the stream descriptor will
-   * use to dispatch handlers for any asynchronous operations performed on the
+   * @param ex The I/O executor that the descriptor will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
    * descriptor.
    */
-  explicit basic_stream_descriptor(asio::io_context& io_context)
-    : basic_descriptor<StreamDescriptorService>(io_context)
+  explicit basic_stream_descriptor(const executor_type& ex)
+    : basic_descriptor<Executor>(ex)
   {
   }
 
-  /// Construct a basic_stream_descriptor on an existing native descriptor.
+  /// Construct a stream descriptor without opening it.
+  /**
+   * This constructor creates a stream descriptor without opening it. The
+   * descriptor needs to be opened and then connected or accepted before data
+   * can be sent or received on it.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the descriptor will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the descriptor.
+   */
+  template <typename ExecutionContext>
+  explicit basic_stream_descriptor(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_descriptor<Executor>(context)
+  {
+  }
+
+  /// Construct a stream descriptor on an existing native descriptor.
   /**
    * This constructor creates a stream descriptor object to hold an existing
    * native descriptor.
    *
-   * @param io_context The io_context object that the stream descriptor will
-   * use to dispatch handlers for any asynchronous operations performed on the
+   * @param ex The I/O executor that the descriptor will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
    * descriptor.
    *
    * @param native_descriptor The new underlying descriptor implementation.
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_stream_descriptor(asio::io_context& io_context,
+  basic_stream_descriptor(const executor_type& ex,
       const native_handle_type& native_descriptor)
-    : basic_descriptor<StreamDescriptorService>(io_context, native_descriptor)
+    : basic_descriptor<Executor>(ex, native_descriptor)
+  {
+  }
+
+  /// Construct a stream descriptor on an existing native descriptor.
+  /**
+   * This constructor creates a stream descriptor object to hold an existing
+   * native descriptor.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the descriptor will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the descriptor.
+   *
+   * @param native_descriptor The new underlying descriptor implementation.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_stream_descriptor(ExecutionContext& context,
+      const native_handle_type& native_descriptor,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_descriptor<Executor>(context, native_descriptor)
   {
   }
 
 #if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a basic_stream_descriptor from another.
+  /// Move-construct a stream descriptor from another.
   /**
    * This constructor moves a stream descriptor from one object to another.
    *
-   * @param other The other basic_stream_descriptor object from which the move
+   * @param other The other stream descriptor object from which the move
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_stream_descriptor(io_context&) constructor.
+   * constructed using the @c basic_stream_descriptor(const executor_type&)
+   * constructor.
    */
   basic_stream_descriptor(basic_stream_descriptor&& other)
-    : basic_descriptor<StreamDescriptorService>(
-        ASIO_MOVE_CAST(basic_stream_descriptor)(other))
+    : descriptor(std::move(other))
   {
   }
 
-  /// Move-assign a basic_stream_descriptor from another.
+  /// Move-assign a stream descriptor from another.
   /**
    * This assignment operator moves a stream descriptor from one object to
    * another.
    *
-   * @param other The other basic_stream_descriptor object from which the move
+   * @param other The other stream descriptor object from which the move
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_stream_descriptor(io_context&) constructor.
+   * constructed using the @c basic_stream_descriptor(const executor_type&)
+   * constructor.
    */
   basic_stream_descriptor& operator=(basic_stream_descriptor&& other)
   {
-    basic_descriptor<StreamDescriptorService>::operator=(
-        ASIO_MOVE_CAST(basic_stream_descriptor)(other));
+    descriptor::operator=(std::move(other));
     return *this;
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
@@ -156,8 +191,8 @@ public:
   std::size_t write_some(const ConstBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().write_some(
-        this->get_implementation(), buffers, ec);
+    std::size_t s = this->impl_.get_service().write_some(
+        this->impl_.get_implementation(), buffers, ec);
     asio::detail::throw_error(ec, "write_some");
     return s;
   }
@@ -182,8 +217,8 @@ public:
   std::size_t write_some(const ConstBufferSequence& buffers,
       asio::error_code& ec)
   {
-    return this->get_service().write_some(
-        this->get_implementation(), buffers, ec);
+    return this->impl_.get_service().write_some(
+        this->impl_.get_implementation(), buffers, ec);
   }
 
   /// Start an asynchronous write.
@@ -204,9 +239,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes written.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The write operation may not transmit all of the data to the peer.
    * Consider using the @ref async_write function if you need to ensure that all
@@ -227,12 +262,9 @@ public:
   async_write_some(const ConstBufferSequence& buffers,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-    return this->get_service().async_write_some(this->get_implementation(),
-        buffers, ASIO_MOVE_CAST(WriteHandler)(handler));
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_write_some(), handler, this, buffers);
   }
 
   /// Read some data from the descriptor.
@@ -267,8 +299,8 @@ public:
   std::size_t read_some(const MutableBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().read_some(
-        this->get_implementation(), buffers, ec);
+    std::size_t s = this->impl_.get_service().read_some(
+        this->impl_.get_implementation(), buffers, ec);
     asio::detail::throw_error(ec, "read_some");
     return s;
   }
@@ -294,8 +326,8 @@ public:
   std::size_t read_some(const MutableBufferSequence& buffers,
       asio::error_code& ec)
   {
-    return this->get_service().read_some(
-        this->get_implementation(), buffers, ec);
+    return this->impl_.get_service().read_some(
+        this->impl_.get_implementation(), buffers, ec);
   }
 
   /// Start an asynchronous read.
@@ -316,9 +348,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes read.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The read operation may not read all of the requested number of bytes.
    * Consider using the @ref async_read function if you need to ensure that the
@@ -340,23 +372,53 @@ public:
   async_read_some(const MutableBufferSequence& buffers,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-    return this->get_service().async_read_some(this->get_implementation(),
-        buffers, ASIO_MOVE_CAST(ReadHandler)(handler));
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_read_some(), handler, this, buffers);
   }
+
+private:
+  struct initiate_async_write_some
+  {
+    template <typename WriteHandler, typename ConstBufferSequence>
+    void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
+        basic_stream_descriptor* self,
+        const ConstBufferSequence& buffers) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WriteHandler.
+      ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
+
+      detail::non_const_lvalue<WriteHandler> handler2(handler);
+      self->impl_.get_service().async_write_some(
+          self->impl_.get_implementation(), buffers, handler2.value,
+          self->impl_.get_implementation_executor());
+    }
+  };
+
+  struct initiate_async_read_some
+  {
+    template <typename ReadHandler, typename MutableBufferSequence>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        basic_stream_descriptor* self,
+        const MutableBufferSequence& buffers) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      detail::non_const_lvalue<ReadHandler> handler2(handler);
+      self->impl_.get_service().async_read_some(
+          self->impl_.get_implementation(), buffers, handler2.value,
+          self->impl_.get_implementation_executor());
+    }
+  };
 };
 
 } // namespace posix
 } // namespace asio
 
-#include "asio/detail/pop_options.hpp"
-
 #endif // defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR)
        //   || defined(GENERATING_DOCUMENTATION)
 
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #endif // ASIO_POSIX_BASIC_STREAM_DESCRIPTOR_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/posix/descriptor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/posix/descriptor.hpp
index 81a4812..baefa13 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/posix/descriptor.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/posix/descriptor.hpp
@@ -2,7 +2,7 @@
 // posix/descriptor.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -17,628 +17,21 @@
 
 #include "asio/detail/config.hpp"
 
-#if !defined(ASIO_ENABLE_OLD_SERVICES)
-
 #if defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR) \
   || defined(GENERATING_DOCUMENTATION)
 
-#include "asio/async_result.hpp"
-#include "asio/basic_io_object.hpp"
-#include "asio/detail/handler_type_requirements.hpp"
-#include "asio/detail/reactive_descriptor_service.hpp"
-#include "asio/detail/throw_error.hpp"
-#include "asio/error.hpp"
-#include "asio/io_context.hpp"
-#include "asio/posix/descriptor_base.hpp"
-
-#if defined(ASIO_HAS_MOVE)
-# include <utility>
-#endif // defined(ASIO_HAS_MOVE)
-
-#define ASIO_SVC_T asio::detail::reactive_descriptor_service
-
-#include "asio/detail/push_options.hpp"
+#include "asio/posix/basic_descriptor.hpp"
 
 namespace asio {
 namespace posix {
 
-/// Provides POSIX descriptor functionality.
-/**
- * The posix::descriptor class template provides the ability to wrap a
- * POSIX descriptor.
- *
- * @par Thread Safety
- * @e Distinct @e objects: Safe.@n
- * @e Shared @e objects: Unsafe.
- */
-class descriptor
-  : ASIO_SVC_ACCESS basic_io_object<ASIO_SVC_T>,
-    public descriptor_base
-{
-public:
-  /// The type of the executor associated with the object.
-  typedef io_context::executor_type executor_type;
-
-  /// The native representation of a descriptor.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined native_handle_type;
-#else
-  typedef ASIO_SVC_T::native_handle_type native_handle_type;
-#endif
-
-  /// A descriptor is always the lowest layer.
-  typedef descriptor lowest_layer_type;
-
-  /// Construct a descriptor without opening it.
-  /**
-   * This constructor creates a descriptor without opening it.
-   *
-   * @param io_context The io_context object that the descriptor will use to
-   * dispatch handlers for any asynchronous operations performed on the
-   * descriptor.
-   */
-  explicit descriptor(asio::io_context& io_context)
-    : basic_io_object<ASIO_SVC_T>(io_context)
-  {
-  }
-
-  /// Construct a descriptor on an existing native descriptor.
-  /**
-   * This constructor creates a descriptor object to hold an existing native
-   * descriptor.
-   *
-   * @param io_context The io_context object that the descriptor will use to
-   * dispatch handlers for any asynchronous operations performed on the
-   * descriptor.
-   *
-   * @param native_descriptor A native descriptor.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  descriptor(asio::io_context& io_context,
-      const native_handle_type& native_descriptor)
-    : basic_io_object<ASIO_SVC_T>(io_context)
-  {
-    asio::error_code ec;
-    this->get_service().assign(this->get_implementation(),
-        native_descriptor, ec);
-    asio::detail::throw_error(ec, "assign");
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a descriptor from another.
-  /**
-   * This constructor moves a descriptor from one object to another.
-   *
-   * @param other The other descriptor object from which the move will
-   * occur.
-   *
-   * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c descriptor(io_context&) constructor.
-   */
-  descriptor(descriptor&& other)
-    : basic_io_object<ASIO_SVC_T>(std::move(other))
-  {
-  }
-
-  /// Move-assign a descriptor from another.
-  /**
-   * This assignment operator moves a descriptor from one object to another.
-   *
-   * @param other The other descriptor object from which the move will
-   * occur.
-   *
-   * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c descriptor(io_context&) constructor.
-   */
-  descriptor& operator=(descriptor&& other)
-  {
-    basic_io_object<ASIO_SVC_T>::operator=(std::move(other));
-    return *this;
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-#if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_context()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_context();
-  }
-
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_service()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_service();
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
-  /// Get the executor associated with the object.
-  executor_type get_executor() ASIO_NOEXCEPT
-  {
-    return basic_io_object<ASIO_SVC_T>::get_executor();
-  }
-
-  /// Get a reference to the lowest layer.
-  /**
-   * This function returns a reference to the lowest layer in a stack of
-   * layers. Since a descriptor cannot contain any further layers, it
-   * simply returns a reference to itself.
-   *
-   * @return A reference to the lowest layer in the stack of layers. Ownership
-   * is not transferred to the caller.
-   */
-  lowest_layer_type& lowest_layer()
-  {
-    return *this;
-  }
-
-  /// Get a const reference to the lowest layer.
-  /**
-   * This function returns a const reference to the lowest layer in a stack of
-   * layers. Since a descriptor cannot contain any further layers, it
-   * simply returns a reference to itself.
-   *
-   * @return A const reference to the lowest layer in the stack of layers.
-   * Ownership is not transferred to the caller.
-   */
-  const lowest_layer_type& lowest_layer() const
-  {
-    return *this;
-  }
-
-  /// Assign an existing native descriptor to the descriptor.
-  /*
-   * This function opens the descriptor to hold an existing native descriptor.
-   *
-   * @param native_descriptor A native descriptor.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void assign(const native_handle_type& native_descriptor)
-  {
-    asio::error_code ec;
-    this->get_service().assign(this->get_implementation(),
-        native_descriptor, ec);
-    asio::detail::throw_error(ec, "assign");
-  }
-
-  /// Assign an existing native descriptor to the descriptor.
-  /*
-   * This function opens the descriptor to hold an existing native descriptor.
-   *
-   * @param native_descriptor A native descriptor.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID assign(const native_handle_type& native_descriptor,
-      asio::error_code& ec)
-  {
-    this->get_service().assign(
-        this->get_implementation(), native_descriptor, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the descriptor is open.
-  bool is_open() const
-  {
-    return this->get_service().is_open(this->get_implementation());
-  }
-
-  /// Close the descriptor.
-  /**
-   * This function is used to close the descriptor. Any asynchronous read or
-   * write operations will be cancelled immediately, and will complete with the
-   * asio::error::operation_aborted error.
-   *
-   * @throws asio::system_error Thrown on failure. Note that, even if
-   * the function indicates an error, the underlying descriptor is closed.
-   */
-  void close()
-  {
-    asio::error_code ec;
-    this->get_service().close(this->get_implementation(), ec);
-    asio::detail::throw_error(ec, "close");
-  }
-
-  /// Close the descriptor.
-  /**
-   * This function is used to close the descriptor. Any asynchronous read or
-   * write operations will be cancelled immediately, and will complete with the
-   * asio::error::operation_aborted error.
-   *
-   * @param ec Set to indicate what error occurred, if any. Note that, even if
-   * the function indicates an error, the underlying descriptor is closed.
-   */
-  ASIO_SYNC_OP_VOID close(asio::error_code& ec)
-  {
-    this->get_service().close(this->get_implementation(), ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get the native descriptor representation.
-  /**
-   * This function may be used to obtain the underlying representation of the
-   * descriptor. This is intended to allow access to native descriptor
-   * functionality that is not otherwise provided.
-   */
-  native_handle_type native_handle()
-  {
-    return this->get_service().native_handle(this->get_implementation());
-  }
-
-  /// Release ownership of the native descriptor implementation.
-  /**
-   * This function may be used to obtain the underlying representation of the
-   * descriptor. After calling this function, @c is_open() returns false. The
-   * caller is responsible for closing the descriptor.
-   *
-   * All outstanding asynchronous read or write operations will finish
-   * immediately, and the handlers for cancelled operations will be passed the
-   * asio::error::operation_aborted error.
-   */
-  native_handle_type release()
-  {
-    return this->get_service().release(this->get_implementation());
-  }
-
-  /// Cancel all asynchronous operations associated with the descriptor.
-  /**
-   * This function causes all outstanding asynchronous read or write operations
-   * to finish immediately, and the handlers for cancelled operations will be
-   * passed the asio::error::operation_aborted error.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void cancel()
-  {
-    asio::error_code ec;
-    this->get_service().cancel(this->get_implementation(), ec);
-    asio::detail::throw_error(ec, "cancel");
-  }
-
-  /// Cancel all asynchronous operations associated with the descriptor.
-  /**
-   * This function causes all outstanding asynchronous read or write operations
-   * to finish immediately, and the handlers for cancelled operations will be
-   * passed the asio::error::operation_aborted error.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID cancel(asio::error_code& ec)
-  {
-    this->get_service().cancel(this->get_implementation(), ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Perform an IO control command on the descriptor.
-  /**
-   * This function is used to execute an IO control command on the descriptor.
-   *
-   * @param command The IO control command to be performed on the descriptor.
-   *
-   * @throws asio::system_error Thrown on failure.
-   *
-   * @sa IoControlCommand @n
-   * asio::posix::descriptor_base::bytes_readable @n
-   * asio::posix::descriptor_base::non_blocking_io
-   *
-   * @par Example
-   * Getting the number of bytes ready to read:
-   * @code
-   * asio::posix::stream_descriptor descriptor(io_context);
-   * ...
-   * asio::posix::stream_descriptor::bytes_readable command;
-   * descriptor.io_control(command);
-   * std::size_t bytes_readable = command.get();
-   * @endcode
-   */
-  template <typename IoControlCommand>
-  void io_control(IoControlCommand& command)
-  {
-    asio::error_code ec;
-    this->get_service().io_control(this->get_implementation(), command, ec);
-    asio::detail::throw_error(ec, "io_control");
-  }
-
-  /// Perform an IO control command on the descriptor.
-  /**
-   * This function is used to execute an IO control command on the descriptor.
-   *
-   * @param command The IO control command to be performed on the descriptor.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   *
-   * @sa IoControlCommand @n
-   * asio::posix::descriptor_base::bytes_readable @n
-   * asio::posix::descriptor_base::non_blocking_io
-   *
-   * @par Example
-   * Getting the number of bytes ready to read:
-   * @code
-   * asio::posix::stream_descriptor descriptor(io_context);
-   * ...
-   * asio::posix::stream_descriptor::bytes_readable command;
-   * asio::error_code ec;
-   * descriptor.io_control(command, ec);
-   * if (ec)
-   * {
-   *   // An error occurred.
-   * }
-   * std::size_t bytes_readable = command.get();
-   * @endcode
-   */
-  template <typename IoControlCommand>
-  ASIO_SYNC_OP_VOID io_control(IoControlCommand& command,
-      asio::error_code& ec)
-  {
-    this->get_service().io_control(this->get_implementation(), command, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Gets the non-blocking mode of the descriptor.
-  /**
-   * @returns @c true if the descriptor's synchronous operations will fail with
-   * asio::error::would_block if they are unable to perform the requested
-   * operation immediately. If @c false, synchronous operations will block
-   * until complete.
-   *
-   * @note The non-blocking mode has no effect on the behaviour of asynchronous
-   * operations. Asynchronous operations will never fail with the error
-   * asio::error::would_block.
-   */
-  bool non_blocking() const
-  {
-    return this->get_service().non_blocking(this->get_implementation());
-  }
-
-  /// Sets the non-blocking mode of the descriptor.
-  /**
-   * @param mode If @c true, the descriptor's synchronous operations will fail
-   * with asio::error::would_block if they are unable to perform the
-   * requested operation immediately. If @c false, synchronous operations will
-   * block until complete.
-   *
-   * @throws asio::system_error Thrown on failure.
-   *
-   * @note The non-blocking mode has no effect on the behaviour of asynchronous
-   * operations. Asynchronous operations will never fail with the error
-   * asio::error::would_block.
-   */
-  void non_blocking(bool mode)
-  {
-    asio::error_code ec;
-    this->get_service().non_blocking(this->get_implementation(), mode, ec);
-    asio::detail::throw_error(ec, "non_blocking");
-  }
-
-  /// Sets the non-blocking mode of the descriptor.
-  /**
-   * @param mode If @c true, the descriptor's synchronous operations will fail
-   * with asio::error::would_block if they are unable to perform the
-   * requested operation immediately. If @c false, synchronous operations will
-   * block until complete.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   *
-   * @note The non-blocking mode has no effect on the behaviour of asynchronous
-   * operations. Asynchronous operations will never fail with the error
-   * asio::error::would_block.
-   */
-  ASIO_SYNC_OP_VOID non_blocking(
-      bool mode, asio::error_code& ec)
-  {
-    this->get_service().non_blocking(this->get_implementation(), mode, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Gets the non-blocking mode of the native descriptor implementation.
-  /**
-   * This function is used to retrieve the non-blocking mode of the underlying
-   * native descriptor. This mode has no effect on the behaviour of the
-   * descriptor object's synchronous operations.
-   *
-   * @returns @c true if the underlying descriptor is in non-blocking mode and
-   * direct system calls may fail with asio::error::would_block (or the
-   * equivalent system error).
-   *
-   * @note The current non-blocking mode is cached by the descriptor object.
-   * Consequently, the return value may be incorrect if the non-blocking mode
-   * was set directly on the native descriptor.
-   */
-  bool native_non_blocking() const
-  {
-    return this->get_service().native_non_blocking(
-        this->get_implementation());
-  }
-
-  /// Sets the non-blocking mode of the native descriptor implementation.
-  /**
-   * This function is used to modify the non-blocking mode of the underlying
-   * native descriptor. It has no effect on the behaviour of the descriptor
-   * object's synchronous operations.
-   *
-   * @param mode If @c true, the underlying descriptor is put into non-blocking
-   * mode and direct system calls may fail with asio::error::would_block
-   * (or the equivalent system error).
-   *
-   * @throws asio::system_error Thrown on failure. If the @c mode is
-   * @c false, but the current value of @c non_blocking() is @c true, this
-   * function fails with asio::error::invalid_argument, as the
-   * combination does not make sense.
-   */
-  void native_non_blocking(bool mode)
-  {
-    asio::error_code ec;
-    this->get_service().native_non_blocking(
-        this->get_implementation(), mode, ec);
-    asio::detail::throw_error(ec, "native_non_blocking");
-  }
-
-  /// Sets the non-blocking mode of the native descriptor implementation.
-  /**
-   * This function is used to modify the non-blocking mode of the underlying
-   * native descriptor. It has no effect on the behaviour of the descriptor
-   * object's synchronous operations.
-   *
-   * @param mode If @c true, the underlying descriptor is put into non-blocking
-   * mode and direct system calls may fail with asio::error::would_block
-   * (or the equivalent system error).
-   *
-   * @param ec Set to indicate what error occurred, if any. If the @c mode is
-   * @c false, but the current value of @c non_blocking() is @c true, this
-   * function fails with asio::error::invalid_argument, as the
-   * combination does not make sense.
-   */
-  ASIO_SYNC_OP_VOID native_non_blocking(
-      bool mode, asio::error_code& ec)
-  {
-    this->get_service().native_non_blocking(
-        this->get_implementation(), mode, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Wait for the descriptor to become ready to read, ready to write, or to
-  /// have pending error conditions.
-  /**
-   * This function is used to perform a blocking wait for a descriptor to enter
-   * a ready to read, write or error condition state.
-   *
-   * @param w Specifies the desired descriptor state.
-   *
-   * @par Example
-   * Waiting for a descriptor to become readable.
-   * @code
-   * asio::posix::stream_descriptor descriptor(io_context);
-   * ...
-   * descriptor.wait(asio::posix::stream_descriptor::wait_read);
-   * @endcode
-   */
-  void wait(wait_type w)
-  {
-    asio::error_code ec;
-    this->get_service().wait(this->get_implementation(), w, ec);
-    asio::detail::throw_error(ec, "wait");
-  }
-
-  /// Wait for the descriptor to become ready to read, ready to write, or to
-  /// have pending error conditions.
-  /**
-   * This function is used to perform a blocking wait for a descriptor to enter
-   * a ready to read, write or error condition state.
-   *
-   * @param w Specifies the desired descriptor state.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   *
-   * @par Example
-   * Waiting for a descriptor to become readable.
-   * @code
-   * asio::posix::stream_descriptor descriptor(io_context);
-   * ...
-   * asio::error_code ec;
-   * descriptor.wait(asio::posix::stream_descriptor::wait_read, ec);
-   * @endcode
-   */
-  ASIO_SYNC_OP_VOID wait(wait_type w, asio::error_code& ec)
-  {
-    this->get_service().wait(this->get_implementation(), w, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Asynchronously wait for the descriptor to become ready to read, ready to
-  /// write, or to have pending error conditions.
-  /**
-   * This function is used to perform an asynchronous wait for a descriptor to
-   * enter a ready to read, write or error condition state.
-   *
-   * @param w Specifies the desired descriptor state.
-   *
-   * @param handler The handler to be called when the wait operation completes.
-   * Copies will be made of the handler as required. The function signature of
-   * the handler must be:
-   * @code void handler(
-   *   const asio::error_code& error // Result of operation
-   * ); @endcode
-   * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
-   *
-   * @par Example
-   * @code
-   * void wait_handler(const asio::error_code& error)
-   * {
-   *   if (!error)
-   *   {
-   *     // Wait succeeded.
-   *   }
-   * }
-   *
-   * ...
-   *
-   * asio::posix::stream_descriptor descriptor(io_context);
-   * ...
-   * descriptor.async_wait(
-   *     asio::posix::stream_descriptor::wait_read,
-   *     wait_handler);
-   * @endcode
-   */
-  template <typename WaitHandler>
-  ASIO_INITFN_RESULT_TYPE(WaitHandler,
-      void (asio::error_code))
-  async_wait(wait_type w, ASIO_MOVE_ARG(WaitHandler) handler)
-  {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WaitHandler.
-    ASIO_WAIT_HANDLER_CHECK(WaitHandler, handler) type_check;
-
-    async_completion<WaitHandler,
-      void (asio::error_code)> init(handler);
-
-    this->get_service().async_wait(
-        this->get_implementation(), w, init.completion_handler);
-
-    return init.result.get();
-  }
-
-protected:
-  /// Protected destructor to prevent deletion through this type.
-  /**
-   * This function destroys the descriptor, cancelling any outstanding
-   * asynchronous wait operations associated with the descriptor as if by
-   * calling @c cancel.
-   */
-  ~descriptor()
-  {
-  }
-};
+/// Typedef for the typical usage of basic_descriptor.
+typedef basic_descriptor<> descriptor;
 
 } // namespace posix
 } // namespace asio
 
-#include "asio/detail/pop_options.hpp"
-
-#undef ASIO_SVC_T
-
 #endif // defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR)
-       //   || defined(GENERATING_DOCUMENTATION)
-
-#endif // !defined(ASIO_ENABLE_OLD_SERVICES)
+       // || defined(GENERATING_DOCUMENTATION)
 
 #endif // ASIO_POSIX_DESCRIPTOR_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/posix/descriptor_base.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/posix/descriptor_base.hpp
index f84332d..feb0017 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/posix/descriptor_base.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/posix/descriptor_base.hpp
@@ -2,7 +2,7 @@
 // posix/descriptor_base.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -56,7 +56,7 @@ public:
    *
    * @par Example
    * @code
-   * asio::posix::stream_descriptor descriptor(io_context); 
+   * asio::posix::stream_descriptor descriptor(my_context);
    * ...
    * asio::descriptor_base::bytes_readable command(true);
    * descriptor.io_control(command);
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/posix/stream_descriptor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/posix/stream_descriptor.hpp
index 032f1b3..cd68b60 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/posix/stream_descriptor.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/posix/stream_descriptor.hpp
@@ -2,7 +2,7 @@
 // posix/stream_descriptor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -16,340 +16,17 @@
 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
 
 #include "asio/detail/config.hpp"
-#include "asio/posix/descriptor.hpp"
 
 #if defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR) \
   || defined(GENERATING_DOCUMENTATION)
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/posix/basic_stream_descriptor.hpp"
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+#include "asio/posix/basic_stream_descriptor.hpp"
 
 namespace asio {
 namespace posix {
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-// Typedef for the typical usage of a stream-oriented descriptor.
+/// Typedef for the typical usage of a stream-oriented descriptor.
 typedef basic_stream_descriptor<> stream_descriptor;
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-/// Provides stream-oriented descriptor functionality.
-/**
- * The posix::stream_descriptor class template provides asynchronous and
- * blocking stream-oriented descriptor functionality.
- *
- * @par Thread Safety
- * @e Distinct @e objects: Safe.@n
- * @e Shared @e objects: Unsafe.
- *
- * @par Concepts:
- * AsyncReadStream, AsyncWriteStream, Stream, SyncReadStream, SyncWriteStream.
- */
-class stream_descriptor
-  : public descriptor
-{
-public:
-  /// Construct a stream_descriptor without opening it.
-  /**
-   * This constructor creates a stream descriptor without opening it. The
-   * descriptor needs to be opened and then connected or accepted before data
-   * can be sent or received on it.
-   *
-   * @param io_context The io_context object that the stream descriptor will
-   * use to dispatch handlers for any asynchronous operations performed on the
-   * descriptor.
-   */
-  explicit stream_descriptor(asio::io_context& io_context)
-    : descriptor(io_context)
-  {
-  }
-
-  /// Construct a stream_descriptor on an existing native descriptor.
-  /**
-   * This constructor creates a stream descriptor object to hold an existing
-   * native descriptor.
-   *
-   * @param io_context The io_context object that the stream descriptor will
-   * use to dispatch handlers for any asynchronous operations performed on the
-   * descriptor.
-   *
-   * @param native_descriptor The new underlying descriptor implementation.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  stream_descriptor(asio::io_context& io_context,
-      const native_handle_type& native_descriptor)
-    : descriptor(io_context, native_descriptor)
-  {
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a stream_descriptor from another.
-  /**
-   * This constructor moves a stream descriptor from one object to another.
-   *
-   * @param other The other stream_descriptor object from which the move
-   * will occur.
-   *
-   * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c stream_descriptor(io_context&) constructor.
-   */
-  stream_descriptor(stream_descriptor&& other)
-    : descriptor(std::move(other))
-  {
-  }
-
-  /// Move-assign a stream_descriptor from another.
-  /**
-   * This assignment operator moves a stream descriptor from one object to
-   * another.
-   *
-   * @param other The other stream_descriptor object from which the move
-   * will occur.
-   *
-   * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c stream_descriptor(io_context&) constructor.
-   */
-  stream_descriptor& operator=(stream_descriptor&& other)
-  {
-    descriptor::operator=(std::move(other));
-    return *this;
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-  /// Write some data to the descriptor.
-  /**
-   * This function is used to write data to the stream descriptor. The function
-   * call will block until one or more bytes of the data has been written
-   * successfully, or until an error occurs.
-   *
-   * @param buffers One or more data buffers to be written to the descriptor.
-   *
-   * @returns The number of bytes written.
-   *
-   * @throws asio::system_error Thrown on failure. An error code of
-   * asio::error::eof indicates that the connection was closed by the
-   * peer.
-   *
-   * @note The write_some operation may not transmit all of the data to the
-   * peer. Consider using the @ref write function if you need to ensure that
-   * all data is written before the blocking operation completes.
-   *
-   * @par Example
-   * To write a single data buffer use the @ref buffer function as follows:
-   * @code
-   * descriptor.write_some(asio::buffer(data, size));
-   * @endcode
-   * See the @ref buffer documentation for information on writing multiple
-   * buffers in one go, and how to use it with arrays, boost::array or
-   * std::vector.
-   */
-  template <typename ConstBufferSequence>
-  std::size_t write_some(const ConstBufferSequence& buffers)
-  {
-    asio::error_code ec;
-    std::size_t s = this->get_service().write_some(
-        this->get_implementation(), buffers, ec);
-    asio::detail::throw_error(ec, "write_some");
-    return s;
-  }
-
-  /// Write some data to the descriptor.
-  /**
-   * This function is used to write data to the stream descriptor. The function
-   * call will block until one or more bytes of the data has been written
-   * successfully, or until an error occurs.
-   *
-   * @param buffers One or more data buffers to be written to the descriptor.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   *
-   * @returns The number of bytes written. Returns 0 if an error occurred.
-   *
-   * @note The write_some operation may not transmit all of the data to the
-   * peer. Consider using the @ref write function if you need to ensure that
-   * all data is written before the blocking operation completes.
-   */
-  template <typename ConstBufferSequence>
-  std::size_t write_some(const ConstBufferSequence& buffers,
-      asio::error_code& ec)
-  {
-    return this->get_service().write_some(
-        this->get_implementation(), buffers, ec);
-  }
-
-  /// Start an asynchronous write.
-  /**
-   * This function is used to asynchronously write data to the stream
-   * descriptor. The function call always returns immediately.
-   *
-   * @param buffers One or more data buffers to be written to the descriptor.
-   * Although the buffers object may be copied as necessary, ownership of the
-   * underlying memory blocks is retained by the caller, which must guarantee
-   * that they remain valid until the handler is called.
-   *
-   * @param handler The handler to be called when the write operation completes.
-   * Copies will be made of the handler as required. The function signature of
-   * the handler must be:
-   * @code void handler(
-   *   const asio::error_code& error, // Result of operation.
-   *   std::size_t bytes_transferred           // Number of bytes written.
-   * ); @endcode
-   * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
-   *
-   * @note The write operation may not transmit all of the data to the peer.
-   * Consider using the @ref async_write function if you need to ensure that all
-   * data is written before the asynchronous operation completes.
-   *
-   * @par Example
-   * To write a single data buffer use the @ref buffer function as follows:
-   * @code
-   * descriptor.async_write_some(asio::buffer(data, size), handler);
-   * @endcode
-   * See the @ref buffer documentation for information on writing multiple
-   * buffers in one go, and how to use it with arrays, boost::array or
-   * std::vector.
-   */
-  template <typename ConstBufferSequence, typename WriteHandler>
-  ASIO_INITFN_RESULT_TYPE(WriteHandler,
-      void (asio::error_code, std::size_t))
-  async_write_some(const ConstBufferSequence& buffers,
-      ASIO_MOVE_ARG(WriteHandler) handler)
-  {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-    asio::async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_write_some(
-        this->get_implementation(), buffers, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Read some data from the descriptor.
-  /**
-   * This function is used to read data from the stream descriptor. The function
-   * call will block until one or more bytes of data has been read successfully,
-   * or until an error occurs.
-   *
-   * @param buffers One or more buffers into which the data will be read.
-   *
-   * @returns The number of bytes read.
-   *
-   * @throws asio::system_error Thrown on failure. An error code of
-   * asio::error::eof indicates that the connection was closed by the
-   * peer.
-   *
-   * @note The read_some operation may not read all of the requested number of
-   * bytes. Consider using the @ref read function if you need to ensure that
-   * the requested amount of data is read before the blocking operation
-   * completes.
-   *
-   * @par Example
-   * To read into a single data buffer use the @ref buffer function as follows:
-   * @code
-   * descriptor.read_some(asio::buffer(data, size));
-   * @endcode
-   * See the @ref buffer documentation for information on reading into multiple
-   * buffers in one go, and how to use it with arrays, boost::array or
-   * std::vector.
-   */
-  template <typename MutableBufferSequence>
-  std::size_t read_some(const MutableBufferSequence& buffers)
-  {
-    asio::error_code ec;
-    std::size_t s = this->get_service().read_some(
-        this->get_implementation(), buffers, ec);
-    asio::detail::throw_error(ec, "read_some");
-    return s;
-  }
-
-  /// Read some data from the descriptor.
-  /**
-   * This function is used to read data from the stream descriptor. The function
-   * call will block until one or more bytes of data has been read successfully,
-   * or until an error occurs.
-   *
-   * @param buffers One or more buffers into which the data will be read.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   *
-   * @returns The number of bytes read. Returns 0 if an error occurred.
-   *
-   * @note The read_some operation may not read all of the requested number of
-   * bytes. Consider using the @ref read function if you need to ensure that
-   * the requested amount of data is read before the blocking operation
-   * completes.
-   */
-  template <typename MutableBufferSequence>
-  std::size_t read_some(const MutableBufferSequence& buffers,
-      asio::error_code& ec)
-  {
-    return this->get_service().read_some(
-        this->get_implementation(), buffers, ec);
-  }
-
-  /// Start an asynchronous read.
-  /**
-   * This function is used to asynchronously read data from the stream
-   * descriptor. The function call always returns immediately.
-   *
-   * @param buffers One or more buffers into which the data will be read.
-   * Although the buffers object may be copied as necessary, ownership of the
-   * underlying memory blocks is retained by the caller, which must guarantee
-   * that they remain valid until the handler is called.
-   *
-   * @param handler The handler to be called when the read operation completes.
-   * Copies will be made of the handler as required. The function signature of
-   * the handler must be:
-   * @code void handler(
-   *   const asio::error_code& error, // Result of operation.
-   *   std::size_t bytes_transferred           // Number of bytes read.
-   * ); @endcode
-   * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
-   *
-   * @note The read operation may not read all of the requested number of bytes.
-   * Consider using the @ref async_read function if you need to ensure that the
-   * requested amount of data is read before the asynchronous operation
-   * completes.
-   *
-   * @par Example
-   * To read into a single data buffer use the @ref buffer function as follows:
-   * @code
-   * descriptor.async_read_some(asio::buffer(data, size), handler);
-   * @endcode
-   * See the @ref buffer documentation for information on reading into multiple
-   * buffers in one go, and how to use it with arrays, boost::array or
-   * std::vector.
-   */
-  template <typename MutableBufferSequence, typename ReadHandler>
-  ASIO_INITFN_RESULT_TYPE(ReadHandler,
-      void (asio::error_code, std::size_t))
-  async_read_some(const MutableBufferSequence& buffers,
-      ASIO_MOVE_ARG(ReadHandler) handler)
-  {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-    asio::async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_read_some(
-        this->get_implementation(), buffers, init.completion_handler);
-
-    return init.result.get();
-  }
-};
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
 
 } // namespace posix
 } // namespace asio
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/posix/stream_descriptor_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/posix/stream_descriptor_service.hpp
deleted file mode 100644
index 5b38b9d..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/posix/stream_descriptor_service.hpp
+++ /dev/null
@@ -1,279 +0,0 @@
-//
-// posix/stream_descriptor_service.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef ASIO_POSIX_STREAM_DESCRIPTOR_SERVICE_HPP
-#define ASIO_POSIX_STREAM_DESCRIPTOR_SERVICE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#if defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR) \
-  || defined(GENERATING_DOCUMENTATION)
-
-#include <cstddef>
-#include "asio/async_result.hpp"
-#include "asio/error.hpp"
-#include "asio/io_context.hpp"
-#include "asio/detail/reactive_descriptor_service.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace posix {
-
-/// Default service implementation for a stream descriptor.
-class stream_descriptor_service
-#if defined(GENERATING_DOCUMENTATION)
-  : public asio::io_context::service
-#else
-  : public asio::detail::service_base<stream_descriptor_service>
-#endif
-{
-public:
-#if defined(GENERATING_DOCUMENTATION)
-  /// The unique service identifier.
-  static asio::io_context::id id;
-#endif
-
-private:
-  // The type of the platform-specific implementation.
-  typedef detail::reactive_descriptor_service service_impl_type;
-
-public:
-  /// The type of a stream descriptor implementation.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined implementation_type;
-#else
-  typedef service_impl_type::implementation_type implementation_type;
-#endif
-
-  /// The native descriptor type.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined native_handle_type;
-#else
-  typedef service_impl_type::native_handle_type native_handle_type;
-#endif
-
-  /// Construct a new stream descriptor service for the specified io_context.
-  explicit stream_descriptor_service(asio::io_context& io_context)
-    : asio::detail::service_base<stream_descriptor_service>(io_context),
-      service_impl_(io_context)
-  {
-  }
-
-  /// Construct a new stream descriptor implementation.
-  void construct(implementation_type& impl)
-  {
-    service_impl_.construct(impl);
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a new stream descriptor implementation.
-  void move_construct(implementation_type& impl,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_construct(impl, other_impl);
-  }
-
-  /// Move-assign from another stream descriptor implementation.
-  void move_assign(implementation_type& impl,
-      stream_descriptor_service& other_service,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_assign(impl, other_service.service_impl_, other_impl);
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-  /// Destroy a stream descriptor implementation.
-  void destroy(implementation_type& impl)
-  {
-    service_impl_.destroy(impl);
-  }
-
-  /// Assign an existing native descriptor to a stream descriptor.
-  ASIO_SYNC_OP_VOID assign(implementation_type& impl,
-      const native_handle_type& native_descriptor,
-      asio::error_code& ec)
-  {
-    service_impl_.assign(impl, native_descriptor, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the descriptor is open.
-  bool is_open(const implementation_type& impl) const
-  {
-    return service_impl_.is_open(impl);
-  }
-
-  /// Close a stream descriptor implementation.
-  ASIO_SYNC_OP_VOID close(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.close(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get the native descriptor implementation.
-  native_handle_type native_handle(implementation_type& impl)
-  {
-    return service_impl_.native_handle(impl);
-  }
-
-  /// Release ownership of the native descriptor implementation.
-  native_handle_type release(implementation_type& impl)
-  {
-    return service_impl_.release(impl);
-  }
-
-  /// Cancel all asynchronous operations associated with the descriptor.
-  ASIO_SYNC_OP_VOID cancel(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.cancel(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Perform an IO control command on the descriptor.
-  template <typename IoControlCommand>
-  ASIO_SYNC_OP_VOID io_control(implementation_type& impl,
-      IoControlCommand& command, asio::error_code& ec)
-  {
-    service_impl_.io_control(impl, command, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Gets the non-blocking mode of the descriptor.
-  bool non_blocking(const implementation_type& impl) const
-  {
-    return service_impl_.non_blocking(impl);
-  }
-
-  /// Sets the non-blocking mode of the descriptor.
-  ASIO_SYNC_OP_VOID non_blocking(implementation_type& impl,
-      bool mode, asio::error_code& ec)
-  {
-    service_impl_.non_blocking(impl, mode, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Gets the non-blocking mode of the native descriptor implementation.
-  bool native_non_blocking(const implementation_type& impl) const
-  {
-    return service_impl_.native_non_blocking(impl);
-  }
-
-  /// Sets the non-blocking mode of the native descriptor implementation.
-  ASIO_SYNC_OP_VOID native_non_blocking(implementation_type& impl,
-      bool mode, asio::error_code& ec)
-  {
-    service_impl_.native_non_blocking(impl, mode, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Wait for the descriptor to become ready to read, ready to write, or to
-  /// have pending error conditions.
-  ASIO_SYNC_OP_VOID wait(implementation_type& impl,
-      descriptor_base::wait_type w, asio::error_code& ec)
-  {
-    service_impl_.wait(impl, w, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Asynchronously wait for the descriptor to become ready to read, ready to
-  /// write, or to have pending error conditions.
-  template <typename WaitHandler>
-  ASIO_INITFN_RESULT_TYPE(WaitHandler,
-      void (asio::error_code))
-  async_wait(implementation_type& impl, descriptor_base::wait_type w,
-      ASIO_MOVE_ARG(WaitHandler) handler)
-  {
-    async_completion<WaitHandler,
-      void (asio::error_code)> init(handler);
-
-    service_impl_.async_wait(impl, w, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Write the given data to the stream.
-  template <typename ConstBufferSequence>
-  std::size_t write_some(implementation_type& impl,
-      const ConstBufferSequence& buffers, asio::error_code& ec)
-  {
-    return service_impl_.write_some(impl, buffers, ec);
-  }
-
-  /// Start an asynchronous write.
-  template <typename ConstBufferSequence, typename WriteHandler>
-  ASIO_INITFN_RESULT_TYPE(WriteHandler,
-      void (asio::error_code, std::size_t))
-  async_write_some(implementation_type& impl,
-      const ConstBufferSequence& buffers,
-      ASIO_MOVE_ARG(WriteHandler) handler)
-  {
-    asio::async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_write_some(impl, buffers, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Read some data from the stream.
-  template <typename MutableBufferSequence>
-  std::size_t read_some(implementation_type& impl,
-      const MutableBufferSequence& buffers, asio::error_code& ec)
-  {
-    return service_impl_.read_some(impl, buffers, ec);
-  }
-
-  /// Start an asynchronous read.
-  template <typename MutableBufferSequence, typename ReadHandler>
-  ASIO_INITFN_RESULT_TYPE(ReadHandler,
-      void (asio::error_code, std::size_t))
-  async_read_some(implementation_type& impl,
-      const MutableBufferSequence& buffers,
-      ASIO_MOVE_ARG(ReadHandler) handler)
-  {
-    asio::async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_read_some(impl, buffers, init.completion_handler);
-
-    return init.result.get();
-  }
-
-private:
-  // Destroy all user-defined handler objects owned by the service.
-  void shutdown()
-  {
-    service_impl_.shutdown();
-  }
-
-  // The platform-specific implementation.
-  service_impl_type service_impl_;
-};
-
-} // namespace posix
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR)
-       //   || defined(GENERATING_DOCUMENTATION)
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_POSIX_STREAM_DESCRIPTOR_SERVICE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/post.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/post.hpp
index 3a7cd0b..40645e1 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/post.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/post.hpp
@@ -2,7 +2,7 @@
 // post.hpp
 // ~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -31,6 +31,9 @@ namespace asio {
  * executor. The function object is queued for execution, and is never called
  * from the current thread prior to returning from <tt>post()</tt>.
  *
+ * The use of @c post(), rather than @ref defer(), indicates the caller's
+ * preference that the function object be eagerly queued for execution.
+ *
  * This function has the following effects:
  *
  * @li Constructs a function object handler of type @c Handler, initialized
@@ -59,6 +62,9 @@ ASIO_INITFN_RESULT_TYPE(CompletionToken, void()) post(
  * The function object is queued for execution, and is never called from the
  * current thread prior to returning from <tt>post()</tt>.
  *
+ * The use of @c post(), rather than @ref defer(), indicates the caller's
+ * preference that the function object be eagerly queued for execution.
+ *
  * This function has the following effects:
  *
  * @li Constructs a function object handler of type @c Handler, initialized
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/raw_socket_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/raw_socket_service.hpp
deleted file mode 100644
index 278dd24..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/raw_socket_service.hpp
+++ /dev/null
@@ -1,466 +0,0 @@
-//
-// raw_socket_service.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef ASIO_RAW_SOCKET_SERVICE_HPP
-#define ASIO_RAW_SOCKET_SERVICE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#include <cstddef>
-#include "asio/async_result.hpp"
-#include "asio/detail/type_traits.hpp"
-#include "asio/error.hpp"
-#include "asio/io_context.hpp"
-
-#if defined(ASIO_WINDOWS_RUNTIME)
-# include "asio/detail/null_socket_service.hpp"
-#elif defined(ASIO_HAS_IOCP)
-# include "asio/detail/win_iocp_socket_service.hpp"
-#else
-# include "asio/detail/reactive_socket_service.hpp"
-#endif
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-
-/// Default service implementation for a raw socket.
-template <typename Protocol>
-class raw_socket_service
-#if defined(GENERATING_DOCUMENTATION)
-  : public asio::io_context::service
-#else
-  : public asio::detail::service_base<raw_socket_service<Protocol> >
-#endif
-{
-public:
-#if defined(GENERATING_DOCUMENTATION)
-  /// The unique service identifier.
-  static asio::io_context::id id;
-#endif
-
-  /// The protocol type.
-  typedef Protocol protocol_type;
-
-  /// The endpoint type.
-  typedef typename Protocol::endpoint endpoint_type;
-
-private:
-  // The type of the platform-specific implementation.
-#if defined(ASIO_WINDOWS_RUNTIME)
-  typedef detail::null_socket_service<Protocol> service_impl_type;
-#elif defined(ASIO_HAS_IOCP)
-  typedef detail::win_iocp_socket_service<Protocol> service_impl_type;
-#else
-  typedef detail::reactive_socket_service<Protocol> service_impl_type;
-#endif
-
-public:
-  /// The type of a raw socket.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined implementation_type;
-#else
-  typedef typename service_impl_type::implementation_type implementation_type;
-#endif
-
-  /// The native socket type.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined native_handle_type;
-#else
-  typedef typename service_impl_type::native_handle_type native_handle_type;
-#endif
-
-  /// Construct a new raw socket service for the specified io_context.
-  explicit raw_socket_service(asio::io_context& io_context)
-    : asio::detail::service_base<
-        raw_socket_service<Protocol> >(io_context),
-      service_impl_(io_context)
-  {
-  }
-
-  /// Construct a new raw socket implementation.
-  void construct(implementation_type& impl)
-  {
-    service_impl_.construct(impl);
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a new raw socket implementation.
-  void move_construct(implementation_type& impl,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_construct(impl, other_impl);
-  }
-
-  /// Move-assign from another raw socket implementation.
-  void move_assign(implementation_type& impl,
-      raw_socket_service& other_service,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_assign(impl, other_service.service_impl_, other_impl);
-  }
-
-  // All socket services have access to each other's implementations.
-  template <typename Protocol1> friend class raw_socket_service;
-
-  /// Move-construct a new raw socket implementation from another protocol
-  /// type.
-  template <typename Protocol1>
-  void converting_move_construct(implementation_type& impl,
-      raw_socket_service<Protocol1>& other_service,
-      typename raw_socket_service<
-        Protocol1>::implementation_type& other_impl,
-      typename enable_if<is_convertible<
-        Protocol1, Protocol>::value>::type* = 0)
-  {
-    service_impl_.template converting_move_construct<Protocol1>(
-        impl, other_service.service_impl_, other_impl);
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-  /// Destroy a raw socket implementation.
-  void destroy(implementation_type& impl)
-  {
-    service_impl_.destroy(impl);
-  }
-
-  // Open a new raw socket implementation.
-  ASIO_SYNC_OP_VOID open(implementation_type& impl,
-      const protocol_type& protocol, asio::error_code& ec)
-  {
-    if (protocol.type() == ASIO_OS_DEF(SOCK_RAW))
-      service_impl_.open(impl, protocol, ec);
-    else
-      ec = asio::error::invalid_argument;
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Assign an existing native socket to a raw socket.
-  ASIO_SYNC_OP_VOID assign(implementation_type& impl,
-      const protocol_type& protocol, const native_handle_type& native_socket,
-      asio::error_code& ec)
-  {
-    service_impl_.assign(impl, protocol, native_socket, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the socket is open.
-  bool is_open(const implementation_type& impl) const
-  {
-    return service_impl_.is_open(impl);
-  }
-
-  /// Close a raw socket implementation.
-  ASIO_SYNC_OP_VOID close(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.close(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Release ownership of the underlying socket.
-  native_handle_type release(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    return service_impl_.release(impl, ec);
-  }
-
-  /// Get the native socket implementation.
-  native_handle_type native_handle(implementation_type& impl)
-  {
-    return service_impl_.native_handle(impl);
-  }
-
-  /// Cancel all asynchronous operations associated with the socket.
-  ASIO_SYNC_OP_VOID cancel(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.cancel(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the socket is at the out-of-band data mark.
-  bool at_mark(const implementation_type& impl,
-      asio::error_code& ec) const
-  {
-    return service_impl_.at_mark(impl, ec);
-  }
-
-  /// Determine the number of bytes available for reading.
-  std::size_t available(const implementation_type& impl,
-      asio::error_code& ec) const
-  {
-    return service_impl_.available(impl, ec);
-  }
-
-  // Bind the raw socket to the specified local endpoint.
-  ASIO_SYNC_OP_VOID bind(implementation_type& impl,
-      const endpoint_type& endpoint, asio::error_code& ec)
-  {
-    service_impl_.bind(impl, endpoint, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Connect the raw socket to the specified endpoint.
-  ASIO_SYNC_OP_VOID connect(implementation_type& impl,
-      const endpoint_type& peer_endpoint, asio::error_code& ec)
-  {
-    service_impl_.connect(impl, peer_endpoint, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Start an asynchronous connect.
-  template <typename ConnectHandler>
-  ASIO_INITFN_RESULT_TYPE(ConnectHandler,
-      void (asio::error_code))
-  async_connect(implementation_type& impl,
-      const endpoint_type& peer_endpoint,
-      ASIO_MOVE_ARG(ConnectHandler) handler)
-  {
-    async_completion<ConnectHandler,
-      void (asio::error_code)> init(handler);
-
-    service_impl_.async_connect(impl, peer_endpoint, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Set a socket option.
-  template <typename SettableSocketOption>
-  ASIO_SYNC_OP_VOID set_option(implementation_type& impl,
-      const SettableSocketOption& option, asio::error_code& ec)
-  {
-    service_impl_.set_option(impl, option, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get a socket option.
-  template <typename GettableSocketOption>
-  ASIO_SYNC_OP_VOID get_option(const implementation_type& impl,
-      GettableSocketOption& option, asio::error_code& ec) const
-  {
-    service_impl_.get_option(impl, option, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Perform an IO control command on the socket.
-  template <typename IoControlCommand>
-  ASIO_SYNC_OP_VOID io_control(implementation_type& impl,
-      IoControlCommand& command, asio::error_code& ec)
-  {
-    service_impl_.io_control(impl, command, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Gets the non-blocking mode of the socket.
-  bool non_blocking(const implementation_type& impl) const
-  {
-    return service_impl_.non_blocking(impl);
-  }
-
-  /// Sets the non-blocking mode of the socket.
-  ASIO_SYNC_OP_VOID non_blocking(implementation_type& impl,
-      bool mode, asio::error_code& ec)
-  {
-    service_impl_.non_blocking(impl, mode, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Gets the non-blocking mode of the native socket implementation.
-  bool native_non_blocking(const implementation_type& impl) const
-  {
-    return service_impl_.native_non_blocking(impl);
-  }
-
-  /// Sets the non-blocking mode of the native socket implementation.
-  ASIO_SYNC_OP_VOID native_non_blocking(implementation_type& impl,
-      bool mode, asio::error_code& ec)
-  {
-    service_impl_.native_non_blocking(impl, mode, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get the local endpoint.
-  endpoint_type local_endpoint(const implementation_type& impl,
-      asio::error_code& ec) const
-  {
-    return service_impl_.local_endpoint(impl, ec);
-  }
-
-  /// Get the remote endpoint.
-  endpoint_type remote_endpoint(const implementation_type& impl,
-      asio::error_code& ec) const
-  {
-    return service_impl_.remote_endpoint(impl, ec);
-  }
-
-  /// Disable sends or receives on the socket.
-  ASIO_SYNC_OP_VOID shutdown(implementation_type& impl,
-      socket_base::shutdown_type what, asio::error_code& ec)
-  {
-    service_impl_.shutdown(impl, what, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Wait for the socket to become ready to read, ready to write, or to have
-  /// pending error conditions.
-  ASIO_SYNC_OP_VOID wait(implementation_type& impl,
-      socket_base::wait_type w, asio::error_code& ec)
-  {
-    service_impl_.wait(impl, w, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Asynchronously wait for the socket to become ready to read, ready to
-  /// write, or to have pending error conditions.
-  template <typename WaitHandler>
-  ASIO_INITFN_RESULT_TYPE(WaitHandler,
-      void (asio::error_code))
-  async_wait(implementation_type& impl, socket_base::wait_type w,
-      ASIO_MOVE_ARG(WaitHandler) handler)
-  {
-    async_completion<WaitHandler,
-      void (asio::error_code)> init(handler);
-
-    service_impl_.async_wait(impl, w, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Send the given data to the peer.
-  template <typename ConstBufferSequence>
-  std::size_t send(implementation_type& impl,
-      const ConstBufferSequence& buffers,
-      socket_base::message_flags flags, asio::error_code& ec)
-  {
-    return service_impl_.send(impl, buffers, flags, ec);
-  }
-
-  /// Start an asynchronous send.
-  template <typename ConstBufferSequence, typename WriteHandler>
-  ASIO_INITFN_RESULT_TYPE(WriteHandler,
-      void (asio::error_code, std::size_t))
-  async_send(implementation_type& impl, const ConstBufferSequence& buffers,
-      socket_base::message_flags flags,
-      ASIO_MOVE_ARG(WriteHandler) handler)
-  {
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_send(impl, buffers, flags, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Send raw data to the specified endpoint.
-  template <typename ConstBufferSequence>
-  std::size_t send_to(implementation_type& impl,
-      const ConstBufferSequence& buffers, const endpoint_type& destination,
-      socket_base::message_flags flags, asio::error_code& ec)
-  {
-    return service_impl_.send_to(impl, buffers, destination, flags, ec);
-  }
-
-  /// Start an asynchronous send.
-  template <typename ConstBufferSequence, typename WriteHandler>
-  ASIO_INITFN_RESULT_TYPE(WriteHandler,
-      void (asio::error_code, std::size_t))
-  async_send_to(implementation_type& impl,
-      const ConstBufferSequence& buffers, const endpoint_type& destination,
-      socket_base::message_flags flags,
-      ASIO_MOVE_ARG(WriteHandler) handler)
-  {
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_send_to(impl, buffers,
-        destination, flags, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Receive some data from the peer.
-  template <typename MutableBufferSequence>
-  std::size_t receive(implementation_type& impl,
-      const MutableBufferSequence& buffers,
-      socket_base::message_flags flags, asio::error_code& ec)
-  {
-    return service_impl_.receive(impl, buffers, flags, ec);
-  }
-
-  /// Start an asynchronous receive.
-  template <typename MutableBufferSequence, typename ReadHandler>
-  ASIO_INITFN_RESULT_TYPE(ReadHandler,
-      void (asio::error_code, std::size_t))
-  async_receive(implementation_type& impl,
-      const MutableBufferSequence& buffers,
-      socket_base::message_flags flags,
-      ASIO_MOVE_ARG(ReadHandler) handler)
-  {
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_receive(impl, buffers, flags, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Receive raw data with the endpoint of the sender.
-  template <typename MutableBufferSequence>
-  std::size_t receive_from(implementation_type& impl,
-      const MutableBufferSequence& buffers, endpoint_type& sender_endpoint,
-      socket_base::message_flags flags, asio::error_code& ec)
-  {
-    return service_impl_.receive_from(impl, buffers, sender_endpoint, flags,
-        ec);
-  }
-
-  /// Start an asynchronous receive that will get the endpoint of the sender.
-  template <typename MutableBufferSequence, typename ReadHandler>
-  ASIO_INITFN_RESULT_TYPE(ReadHandler,
-      void (asio::error_code, std::size_t))
-  async_receive_from(implementation_type& impl,
-      const MutableBufferSequence& buffers, endpoint_type& sender_endpoint,
-      socket_base::message_flags flags,
-      ASIO_MOVE_ARG(ReadHandler) handler)
-  {
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_receive_from(impl, buffers,
-        sender_endpoint, flags, init.completion_handler);
-
-    return init.result.get();
-  }
-
-private:
-  // Destroy all user-defined handler objects owned by the service.
-  void shutdown()
-  {
-    service_impl_.shutdown();
-  }
-
-  // The platform-specific implementation.
-  service_impl_type service_impl_;
-};
-
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_RAW_SOCKET_SERVICE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/read.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/read.hpp
index 5cf981e..5633c65 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/read.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/read.hpp
@@ -2,7 +2,7 @@
 // read.hpp
 // ~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -32,8 +32,8 @@ namespace asio {
 /**
  * @defgroup read asio::read
  *
- * @brief Attempt to read a certain amount of data from a stream before
- * returning.
+ * @brief The @c read function is a composed operation that reads a certain
+ * amount of data from a stream before returning.
  */
 /*@{*/
 
@@ -223,6 +223,8 @@ std::size_t read(SyncReadStream& s, const MutableBufferSequence& buffers,
       is_mutable_buffer_sequence<MutableBufferSequence>::value
     >::type* = 0);
 
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
 /// Attempt to read a certain amount of data from a stream before returning.
 /**
  * This function is used to read a certain number of bytes of data from a
@@ -250,11 +252,12 @@ std::size_t read(SyncReadStream& s, const MutableBufferSequence& buffers,
  *     s, buffers,
  *     asio::transfer_all()); @endcode
  */
-template <typename SyncReadStream, typename DynamicBuffer>
+template <typename SyncReadStream, typename DynamicBuffer_v1>
 std::size_t read(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
     >::type* = 0);
 
 /// Attempt to read a certain amount of data from a stream before returning.
@@ -283,12 +286,13 @@ std::size_t read(SyncReadStream& s,
  *     s, buffers,
  *     asio::transfer_all(), ec); @endcode
  */
-template <typename SyncReadStream, typename DynamicBuffer>
+template <typename SyncReadStream, typename DynamicBuffer_v1>
 std::size_t read(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     asio::error_code& ec,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
     >::type* = 0);
 
 /// Attempt to read a certain amount of data from a stream before returning.
@@ -327,13 +331,14 @@ std::size_t read(SyncReadStream& s,
  *
  * @throws asio::system_error Thrown on failure.
  */
-template <typename SyncReadStream, typename DynamicBuffer,
+template <typename SyncReadStream, typename DynamicBuffer_v1,
     typename CompletionCondition>
 std::size_t read(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     CompletionCondition completion_condition,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
     >::type* = 0);
 
 /// Attempt to read a certain amount of data from a stream before returning.
@@ -373,13 +378,14 @@ std::size_t read(SyncReadStream& s,
  * @returns The number of bytes read. If an error occurs, returns the total
  * number of bytes successfully transferred prior to the error.
  */
-template <typename SyncReadStream, typename DynamicBuffer,
+template <typename SyncReadStream, typename DynamicBuffer_v1,
     typename CompletionCondition>
 std::size_t read(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     CompletionCondition completion_condition, asio::error_code& ec,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
     >::type* = 0);
 
 #if !defined(ASIO_NO_EXTENSIONS)
@@ -527,13 +533,169 @@ std::size_t read(SyncReadStream& s, basic_streambuf<Allocator>& b,
 
 #endif // !defined(ASIO_NO_IOSTREAM)
 #endif // !defined(ASIO_NO_EXTENSIONS)
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
+/// Attempt to read a certain amount of data from a stream before returning.
+/**
+ * This function is used to read a certain number of bytes of data from a
+ * stream. The call will block until one of the following conditions is true:
+ *
+ * @li The specified dynamic buffer sequence is full (that is, it has reached
+ * maximum size).
+ *
+ * @li An error occurred.
+ *
+ * This operation is implemented in terms of zero or more calls to the stream's
+ * read_some function.
+ *
+ * @param s The stream from which the data is to be read. The type must support
+ * the SyncReadStream concept.
+ *
+ * @param buffers The dynamic buffer sequence into which the data will be read.
+ *
+ * @returns The number of bytes transferred.
+ *
+ * @throws asio::system_error Thrown on failure.
+ *
+ * @note This overload is equivalent to calling:
+ * @code asio::read(
+ *     s, buffers,
+ *     asio::transfer_all()); @endcode
+ */
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+std::size_t read(SyncReadStream& s, DynamicBuffer_v2 buffers,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type* = 0);
+
+/// Attempt to read a certain amount of data from a stream before returning.
+/**
+ * This function is used to read a certain number of bytes of data from a
+ * stream. The call will block until one of the following conditions is true:
+ *
+ * @li The supplied buffer is full (that is, it has reached maximum size).
+ *
+ * @li An error occurred.
+ *
+ * This operation is implemented in terms of zero or more calls to the stream's
+ * read_some function.
+ *
+ * @param s The stream from which the data is to be read. The type must support
+ * the SyncReadStream concept.
+ *
+ * @param buffers The dynamic buffer sequence into which the data will be read.
+ *
+ * @param ec Set to indicate what error occurred, if any.
+ *
+ * @returns The number of bytes transferred.
+ *
+ * @note This overload is equivalent to calling:
+ * @code asio::read(
+ *     s, buffers,
+ *     asio::transfer_all(), ec); @endcode
+ */
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+std::size_t read(SyncReadStream& s, DynamicBuffer_v2 buffers,
+    asio::error_code& ec,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type* = 0);
+
+/// Attempt to read a certain amount of data from a stream before returning.
+/**
+ * This function is used to read a certain number of bytes of data from a
+ * stream. The call will block until one of the following conditions is true:
+ *
+ * @li The specified dynamic buffer sequence is full (that is, it has reached
+ * maximum size).
+ *
+ * @li The completion_condition function object returns 0.
+ *
+ * This operation is implemented in terms of zero or more calls to the stream's
+ * read_some function.
+ *
+ * @param s The stream from which the data is to be read. The type must support
+ * the SyncReadStream concept.
+ *
+ * @param buffers The dynamic buffer sequence into which the data will be read.
+ *
+ * @param completion_condition The function object to be called to determine
+ * whether the read operation is complete. The signature of the function object
+ * must be:
+ * @code std::size_t completion_condition(
+ *   // Result of latest read_some operation.
+ *   const asio::error_code& error,
+ *
+ *   // Number of bytes transferred so far.
+ *   std::size_t bytes_transferred
+ * ); @endcode
+ * A return value of 0 indicates that the read operation is complete. A non-zero
+ * return value indicates the maximum number of bytes to be read on the next
+ * call to the stream's read_some function.
+ *
+ * @returns The number of bytes transferred.
+ *
+ * @throws asio::system_error Thrown on failure.
+ */
+template <typename SyncReadStream, typename DynamicBuffer_v2,
+    typename CompletionCondition>
+std::size_t read(SyncReadStream& s, DynamicBuffer_v2 buffers,
+    CompletionCondition completion_condition,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type* = 0);
+
+/// Attempt to read a certain amount of data from a stream before returning.
+/**
+ * This function is used to read a certain number of bytes of data from a
+ * stream. The call will block until one of the following conditions is true:
+ *
+ * @li The specified dynamic buffer sequence is full (that is, it has reached
+ * maximum size).
+ *
+ * @li The completion_condition function object returns 0.
+ *
+ * This operation is implemented in terms of zero or more calls to the stream's
+ * read_some function.
+ *
+ * @param s The stream from which the data is to be read. The type must support
+ * the SyncReadStream concept.
+ *
+ * @param buffers The dynamic buffer sequence into which the data will be read.
+ *
+ * @param completion_condition The function object to be called to determine
+ * whether the read operation is complete. The signature of the function object
+ * must be:
+ * @code std::size_t completion_condition(
+ *   // Result of latest read_some operation.
+ *   const asio::error_code& error,
+ *
+ *   // Number of bytes transferred so far.
+ *   std::size_t bytes_transferred
+ * ); @endcode
+ * A return value of 0 indicates that the read operation is complete. A non-zero
+ * return value indicates the maximum number of bytes to be read on the next
+ * call to the stream's read_some function.
+ *
+ * @param ec Set to indicate what error occurred, if any.
+ *
+ * @returns The number of bytes read. If an error occurs, returns the total
+ * number of bytes successfully transferred prior to the error.
+ */
+template <typename SyncReadStream, typename DynamicBuffer_v2,
+    typename CompletionCondition>
+std::size_t read(SyncReadStream& s, DynamicBuffer_v2 buffers,
+    CompletionCondition completion_condition, asio::error_code& ec,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type* = 0);
 
 /*@}*/
 /**
  * @defgroup async_read asio::async_read
  *
- * @brief Start an asynchronous operation to read a certain amount of data from
- * a stream.
+ * @brief The @c async_read function is a composed asynchronous operation that
+ * reads a certain amount of data from a stream before completion.
  */
 /*@{*/
 
@@ -578,9 +740,9 @@ std::size_t read(SyncReadStream& s, basic_streambuf<Allocator>& b,
  *                                           // prior to the error.
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @par Example
  * To read into a single data buffer use the @ref buffer function as follows:
@@ -656,9 +818,9 @@ async_read(AsyncReadStream& s, const MutableBufferSequence& buffers,
  *                                           // prior to the error.
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @par Example
  * To read into a single data buffer use the @ref buffer function as follows:
@@ -681,6 +843,8 @@ async_read(AsyncReadStream& s, const MutableBufferSequence& buffers,
       is_mutable_buffer_sequence<MutableBufferSequence>::value
     >::type* = 0);
 
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
 /// Start an asynchronous operation to read a certain amount of data from a
 /// stream.
 /**
@@ -721,9 +885,9 @@ async_read(AsyncReadStream& s, const MutableBufferSequence& buffers,
  *                                           // prior to the error.
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @note This overload is equivalent to calling:
  * @code asio::async_read(
@@ -732,14 +896,15 @@ async_read(AsyncReadStream& s, const MutableBufferSequence& buffers,
  *     handler); @endcode
  */
 template <typename AsyncReadStream,
-    typename DynamicBuffer, typename ReadHandler>
+    typename DynamicBuffer_v1, typename ReadHandler>
 ASIO_INITFN_RESULT_TYPE(ReadHandler,
     void (asio::error_code, std::size_t))
 async_read(AsyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     ASIO_MOVE_ARG(ReadHandler) handler,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
     >::type* = 0);
 
 /// Start an asynchronous operation to read a certain amount of data from a
@@ -796,20 +961,21 @@ async_read(AsyncReadStream& s,
  *                                           // prior to the error.
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  */
-template <typename AsyncReadStream, typename DynamicBuffer,
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
     typename CompletionCondition, typename ReadHandler>
 ASIO_INITFN_RESULT_TYPE(ReadHandler,
     void (asio::error_code, std::size_t))
 async_read(AsyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     CompletionCondition completion_condition,
     ASIO_MOVE_ARG(ReadHandler) handler,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
     >::type* = 0);
 
 #if !defined(ASIO_NO_EXTENSIONS)
@@ -853,9 +1019,9 @@ async_read(AsyncReadStream& s,
  *                                           // prior to the error.
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @note This overload is equivalent to calling:
  * @code asio::async_read(
@@ -921,9 +1087,9 @@ async_read(AsyncReadStream& s, basic_streambuf<Allocator>& b,
  *                                           // prior to the error.
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  */
 template <typename AsyncReadStream, typename Allocator,
     typename CompletionCondition, typename ReadHandler>
@@ -935,6 +1101,136 @@ async_read(AsyncReadStream& s, basic_streambuf<Allocator>& b,
 
 #endif // !defined(ASIO_NO_IOSTREAM)
 #endif // !defined(ASIO_NO_EXTENSIONS)
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
+/// Start an asynchronous operation to read a certain amount of data from a
+/// stream.
+/**
+ * This function is used to asynchronously read a certain number of bytes of
+ * data from a stream. The function call always returns immediately. The
+ * asynchronous operation will continue until one of the following conditions is
+ * true:
+ *
+ * @li The specified dynamic buffer sequence is full (that is, it has reached
+ * maximum size).
+ *
+ * @li An error occurred.
+ *
+ * This operation is implemented in terms of zero or more calls to the stream's
+ * async_read_some function, and is known as a <em>composed operation</em>. The
+ * program must ensure that the stream performs no other read operations (such
+ * as async_read, the stream's async_read_some function, or any other composed
+ * operations that perform reads) until this operation completes.
+ *
+ * @param s The stream from which the data is to be read. The type must support
+ * the AsyncReadStream concept.
+ *
+ * @param buffers The dynamic buffer sequence into which the data will be read.
+ * Although the buffers object may be copied as necessary, ownership of the
+ * underlying memory blocks is retained by the caller, which must guarantee
+ * that they remain valid until the handler is called.
+ *
+ * @param handler The handler to be called when the read operation completes.
+ * Copies will be made of the handler as required. The function signature of the
+ * handler must be:
+ * @code void handler(
+ *   const asio::error_code& error, // Result of operation.
+ *
+ *   std::size_t bytes_transferred           // Number of bytes copied into the
+ *                                           // buffers. If an error occurred,
+ *                                           // this will be the  number of
+ *                                           // bytes successfully transferred
+ *                                           // prior to the error.
+ * ); @endcode
+ * Regardless of whether the asynchronous operation completes immediately or
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
+ *
+ * @note This overload is equivalent to calling:
+ * @code asio::async_read(
+ *     s, buffers,
+ *     asio::transfer_all(),
+ *     handler); @endcode
+ */
+template <typename AsyncReadStream,
+    typename DynamicBuffer_v2, typename ReadHandler>
+ASIO_INITFN_RESULT_TYPE(ReadHandler,
+    void (asio::error_code, std::size_t))
+async_read(AsyncReadStream& s, DynamicBuffer_v2 buffers,
+    ASIO_MOVE_ARG(ReadHandler) handler,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type* = 0);
+
+/// Start an asynchronous operation to read a certain amount of data from a
+/// stream.
+/**
+ * This function is used to asynchronously read a certain number of bytes of
+ * data from a stream. The function call always returns immediately. The
+ * asynchronous operation will continue until one of the following conditions is
+ * true:
+ *
+ * @li The specified dynamic buffer sequence is full (that is, it has reached
+ * maximum size).
+ *
+ * @li The completion_condition function object returns 0.
+ *
+ * This operation is implemented in terms of zero or more calls to the stream's
+ * async_read_some function, and is known as a <em>composed operation</em>. The
+ * program must ensure that the stream performs no other read operations (such
+ * as async_read, the stream's async_read_some function, or any other composed
+ * operations that perform reads) until this operation completes.
+ *
+ * @param s The stream from which the data is to be read. The type must support
+ * the AsyncReadStream concept.
+ *
+ * @param buffers The dynamic buffer sequence into which the data will be read.
+ * Although the buffers object may be copied as necessary, ownership of the
+ * underlying memory blocks is retained by the caller, which must guarantee
+ * that they remain valid until the handler is called.
+ *
+ * @param completion_condition The function object to be called to determine
+ * whether the read operation is complete. The signature of the function object
+ * must be:
+ * @code std::size_t completion_condition(
+ *   // Result of latest async_read_some operation.
+ *   const asio::error_code& error,
+ *
+ *   // Number of bytes transferred so far.
+ *   std::size_t bytes_transferred
+ * ); @endcode
+ * A return value of 0 indicates that the read operation is complete. A non-zero
+ * return value indicates the maximum number of bytes to be read on the next
+ * call to the stream's async_read_some function.
+ *
+ * @param handler The handler to be called when the read operation completes.
+ * Copies will be made of the handler as required. The function signature of the
+ * handler must be:
+ * @code void handler(
+ *   const asio::error_code& error, // Result of operation.
+ *
+ *   std::size_t bytes_transferred           // Number of bytes copied into the
+ *                                           // buffers. If an error occurred,
+ *                                           // this will be the  number of
+ *                                           // bytes successfully transferred
+ *                                           // prior to the error.
+ * ); @endcode
+ * Regardless of whether the asynchronous operation completes immediately or
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
+ */
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+    typename CompletionCondition, typename ReadHandler>
+ASIO_INITFN_RESULT_TYPE(ReadHandler,
+    void (asio::error_code, std::size_t))
+async_read(AsyncReadStream& s, DynamicBuffer_v2 buffers,
+    CompletionCondition completion_condition,
+    ASIO_MOVE_ARG(ReadHandler) handler,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type* = 0);
 
 /*@}*/
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/read_at.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/read_at.hpp
index a58c84d..884d97f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/read_at.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/read_at.hpp
@@ -2,7 +2,7 @@
 // read_at.hpp
 // ~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -32,8 +32,8 @@ namespace asio {
 /**
  * @defgroup read_at asio::read_at
  *
- * @brief Attempt to read a certain amount of data at the specified offset
- * before returning.
+ * @brief The @c read_at function is a composed operation that reads a certain
+ * amount of data at the specified offset before returning.
  */
 /*@{*/
 
@@ -394,8 +394,8 @@ std::size_t read_at(SyncRandomAccessReadDevice& d,
 /**
  * @defgroup async_read_at asio::async_read_at
  *
- * @brief Start an asynchronous operation to read a certain amount of data at
- * the specified offset.
+ * @brief The @c async_read_at function is a composed asynchronous operation
+ * that reads a certain amount of data at the specified offset.
  */
 /*@{*/
 
@@ -439,9 +439,9 @@ std::size_t read_at(SyncRandomAccessReadDevice& d,
  *   std::size_t bytes_transferred
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @par Example
  * To read into a single data buffer use the @ref buffer function as follows:
@@ -517,9 +517,9 @@ async_read_at(AsyncRandomAccessReadDevice& d, uint64_t offset,
  *   std::size_t bytes_transferred
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @par Example
  * To read into a single data buffer use the @ref buffer function as follows:
@@ -578,9 +578,9 @@ async_read_at(AsyncRandomAccessReadDevice& d,
  *   std::size_t bytes_transferred
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @note This overload is equivalent to calling:
  * @code asio::async_read_at(
@@ -644,9 +644,9 @@ async_read_at(AsyncRandomAccessReadDevice& d, uint64_t offset,
  *   std::size_t bytes_transferred
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  */
 template <typename AsyncRandomAccessReadDevice, typename Allocator,
     typename CompletionCondition, typename ReadHandler>
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/read_until.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/read_until.hpp
index fd7d45a..8200ddf 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/read_until.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/read_until.hpp
@@ -2,7 +2,7 @@
 // read_until.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -19,6 +19,7 @@
 #include <cstddef>
 #include <string>
 #include "asio/async_result.hpp"
+#include "asio/buffer.hpp"
 #include "asio/detail/regex_fwd.hpp"
 #include "asio/detail/string_view.hpp"
 #include "asio/detail/type_traits.hpp"
@@ -67,12 +68,15 @@ struct is_match_condition
 /**
  * @defgroup read_until asio::read_until
  *
- * @brief Read data into a dynamic buffer sequence, or into a streambuf, until
- * it contains a delimiter, matches a regular expression, or a function object
- * indicates a match.
+ * @brief The @c read_until function is a composed operation that reads data
+ * into a dynamic buffer sequence, or into a streambuf, until it contains a
+ * delimiter, matches a regular expression, or a function object indicates a
+ * match.
  */
 /*@{*/
 
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
 /// Read data into a dynamic buffer sequence until it contains a specified
 /// delimiter.
 /**
@@ -126,9 +130,13 @@ struct is_match_condition
  * This data may be the start of a new line, to be extracted by a subsequent
  * @c read_until operation.
  */
-template <typename SyncReadStream, typename DynamicBuffer>
+template <typename SyncReadStream, typename DynamicBuffer_v1>
 std::size_t read_until(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers, char delim);
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers, char delim,
+    typename enable_if<
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+    >::type* = 0);
 
 /// Read data into a dynamic buffer sequence until it contains a specified
 /// delimiter.
@@ -164,10 +172,14 @@ std::size_t read_until(SyncReadStream& s,
  * typically leave that data in the dynamic buffer sequence for a subsequent
  * read_until operation to examine.
  */
-template <typename SyncReadStream, typename DynamicBuffer>
+template <typename SyncReadStream, typename DynamicBuffer_v1>
 std::size_t read_until(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
-    char delim, asio::error_code& ec);
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+    char delim, asio::error_code& ec,
+    typename enable_if<
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+    >::type* = 0);
 
 /// Read data into a dynamic buffer sequence until it contains a specified
 /// delimiter.
@@ -220,10 +232,14 @@ std::size_t read_until(SyncReadStream& s,
  * This data may be the start of a new line, to be extracted by a subsequent
  * @c read_until operation.
  */
-template <typename SyncReadStream, typename DynamicBuffer>
+template <typename SyncReadStream, typename DynamicBuffer_v1>
 std::size_t read_until(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
-    ASIO_STRING_VIEW_PARAM delim);
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+    ASIO_STRING_VIEW_PARAM delim,
+    typename enable_if<
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+    >::type* = 0);
 
 /// Read data into a dynamic buffer sequence until it contains a specified
 /// delimiter.
@@ -259,11 +275,15 @@ std::size_t read_until(SyncReadStream& s,
  * typically leave that data in the dynamic buffer sequence for a subsequent
  * read_until operation to examine.
  */
-template <typename SyncReadStream, typename DynamicBuffer>
+template <typename SyncReadStream, typename DynamicBuffer_v1>
 std::size_t read_until(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     ASIO_STRING_VIEW_PARAM delim,
-    asio::error_code& ec);
+    asio::error_code& ec,
+    typename enable_if<
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+    >::type* = 0);
 
 #if !defined(ASIO_NO_EXTENSIONS)
 #if defined(ASIO_HAS_BOOST_REGEX) \
@@ -323,10 +343,14 @@ std::size_t read_until(SyncReadStream& s,
  * This data may be the start of a new line, to be extracted by a subsequent
  * @c read_until operation.
  */
-template <typename SyncReadStream, typename DynamicBuffer>
+template <typename SyncReadStream, typename DynamicBuffer_v1>
 std::size_t read_until(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
-    const boost::regex& expr);
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+    const boost::regex& expr,
+    typename enable_if<
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+    >::type* = 0);
 
 /// Read data into a dynamic buffer sequence until some part of the data it
 /// contains matches a regular expression.
@@ -364,10 +388,14 @@ std::size_t read_until(SyncReadStream& s,
  * expression. An application will typically leave that data in the dynamic
  * buffer sequence for a subsequent read_until operation to examine.
  */
-template <typename SyncReadStream, typename DynamicBuffer>
+template <typename SyncReadStream, typename DynamicBuffer_v1>
 std::size_t read_until(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
-    const boost::regex& expr, asio::error_code& ec);
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+    const boost::regex& expr, asio::error_code& ec,
+    typename enable_if<
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+    >::type* = 0);
 
 #endif // defined(ASIO_HAS_BOOST_REGEX)
        // || defined(GENERATING_DOCUMENTATION)
@@ -400,7 +428,7 @@ std::size_t read_until(SyncReadStream& s,
  * @code pair<iterator, bool> match_condition(iterator begin, iterator end);
  * @endcode
  * where @c iterator represents the type:
- * @code buffers_iterator<typename DynamicBuffer::const_buffers_type>
+ * @code buffers_iterator<typename DynamicBuffer_v1::const_buffers_type>
  * @endcode
  * The iterator parameters @c begin and @c end define the range of bytes to be
  * scanned to determine whether there is a match. The @c first member of the
@@ -475,11 +503,15 @@ std::size_t read_until(SyncReadStream& s,
  * @endcode
  */
 template <typename SyncReadStream,
-    typename DynamicBuffer, typename MatchCondition>
+    typename DynamicBuffer_v1, typename MatchCondition>
 std::size_t read_until(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     MatchCondition match_condition,
-    typename enable_if<is_match_condition<MatchCondition>::value>::type* = 0);
+    typename enable_if<
+      is_match_condition<MatchCondition>::value
+        && is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+    >::type* = 0);
 
 /// Read data into a dynamic buffer sequence until a function object indicates a
 /// match.
@@ -508,7 +540,7 @@ std::size_t read_until(SyncReadStream& s,
  * @code pair<iterator, bool> match_condition(iterator begin, iterator end);
  * @endcode
  * where @c iterator represents the type:
- * @code buffers_iterator<DynamicBuffer::const_buffers_type>
+ * @code buffers_iterator<DynamicBuffer_v1::const_buffers_type>
  * @endcode
  * The iterator parameters @c begin and @c end define the range of bytes to be
  * scanned to determine whether there is a match. The @c first member of the
@@ -535,11 +567,15 @@ std::size_t read_until(SyncReadStream& s,
  * function objects.
  */
 template <typename SyncReadStream,
-    typename DynamicBuffer, typename MatchCondition>
+    typename DynamicBuffer_v1, typename MatchCondition>
 std::size_t read_until(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     MatchCondition match_condition, asio::error_code& ec,
-    typename enable_if<is_match_condition<MatchCondition>::value>::type* = 0);
+    typename enable_if<
+      is_match_condition<MatchCondition>::value
+        && is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+    >::type* = 0);
 
 #if !defined(ASIO_NO_IOSTREAM)
 
@@ -980,17 +1016,506 @@ std::size_t read_until(SyncReadStream& s,
 
 #endif // !defined(ASIO_NO_IOSTREAM)
 #endif // !defined(ASIO_NO_EXTENSIONS)
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
+/// Read data into a dynamic buffer sequence until it contains a specified
+/// delimiter.
+/**
+ * This function is used to read data into the specified dynamic buffer
+ * sequence until the dynamic buffer sequence's get area contains the specified
+ * delimiter. The call will block until one of the following conditions is
+ * true:
+ *
+ * @li The get area of the dynamic buffer sequence contains the specified
+ * delimiter.
+ *
+ * @li An error occurred.
+ *
+ * This operation is implemented in terms of zero or more calls to the stream's
+ * read_some function. If the dynamic buffer sequence's get area already
+ * contains the delimiter, the function returns immediately.
+ *
+ * @param s The stream from which the data is to be read. The type must support
+ * the SyncReadStream concept.
+ *
+ * @param buffers The dynamic buffer sequence into which the data will be read.
+ *
+ * @param delim The delimiter character.
+ *
+ * @returns The number of bytes in the dynamic buffer sequence's get area up to
+ * and including the delimiter.
+ *
+ * @throws asio::system_error Thrown on failure.
+ *
+ * @note After a successful read_until operation, the dynamic buffer sequence
+ * may contain additional data beyond the delimiter. An application will
+ * typically leave that data in the dynamic buffer sequence for a subsequent
+ * read_until operation to examine.
+ *
+ * @par Example
+ * To read data into a @c std::string until a newline is encountered:
+ * @code std::string data;
+ * std::string n = asio::read_until(s,
+ *     asio::dynamic_buffer(data), '\n');
+ * std::string line = data.substr(0, n);
+ * data.erase(0, n); @endcode
+ * After the @c read_until operation completes successfully, the string @c data
+ * contains the delimiter:
+ * @code { 'a', 'b', ..., 'c', '\n', 'd', 'e', ... } @endcode
+ * The call to @c substr then extracts the data up to and including the
+ * delimiter, so that the string @c line contains:
+ * @code { 'a', 'b', ..., 'c', '\n' } @endcode
+ * After the call to @c erase, the remaining data is left in the buffer @c b as
+ * follows:
+ * @code { 'd', 'e', ... } @endcode
+ * This data may be the start of a new line, to be extracted by a subsequent
+ * @c read_until operation.
+ */
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+std::size_t read_until(SyncReadStream& s, DynamicBuffer_v2 buffers, char delim,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type* = 0);
+
+/// Read data into a dynamic buffer sequence until it contains a specified
+/// delimiter.
+/**
+ * This function is used to read data into the specified dynamic buffer
+ * sequence until the dynamic buffer sequence's get area contains the specified
+ * delimiter. The call will block until one of the following conditions is
+ * true:
+ *
+ * @li The get area of the dynamic buffer sequence contains the specified
+ * delimiter.
+ *
+ * @li An error occurred.
+ *
+ * This operation is implemented in terms of zero or more calls to the stream's
+ * read_some function. If the dynamic buffer sequence's get area already
+ * contains the delimiter, the function returns immediately.
+ *
+ * @param s The stream from which the data is to be read. The type must support
+ * the SyncReadStream concept.
+ *
+ * @param buffers The dynamic buffer sequence into which the data will be read.
+ *
+ * @param delim The delimiter character.
+ *
+ * @param ec Set to indicate what error occurred, if any.
+ *
+ * @returns The number of bytes in the dynamic buffer sequence's get area up to
+ * and including the delimiter. Returns 0 if an error occurred.
+ *
+ * @note After a successful read_until operation, the dynamic buffer sequence
+ * may contain additional data beyond the delimiter. An application will
+ * typically leave that data in the dynamic buffer sequence for a subsequent
+ * read_until operation to examine.
+ */
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+std::size_t read_until(SyncReadStream& s, DynamicBuffer_v2 buffers,
+    char delim, asio::error_code& ec,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type* = 0);
+
+/// Read data into a dynamic buffer sequence until it contains a specified
+/// delimiter.
+/**
+ * This function is used to read data into the specified dynamic buffer
+ * sequence until the dynamic buffer sequence's get area contains the specified
+ * delimiter. The call will block until one of the following conditions is
+ * true:
+ *
+ * @li The get area of the dynamic buffer sequence contains the specified
+ * delimiter.
+ *
+ * @li An error occurred.
+ *
+ * This operation is implemented in terms of zero or more calls to the stream's
+ * read_some function. If the dynamic buffer sequence's get area already
+ * contains the delimiter, the function returns immediately.
+ *
+ * @param s The stream from which the data is to be read. The type must support
+ * the SyncReadStream concept.
+ *
+ * @param buffers The dynamic buffer sequence into which the data will be read.
+ *
+ * @param delim The delimiter string.
+ *
+ * @returns The number of bytes in the dynamic buffer sequence's get area up to
+ * and including the delimiter.
+ *
+ * @note After a successful read_until operation, the dynamic buffer sequence
+ * may contain additional data beyond the delimiter. An application will
+ * typically leave that data in the dynamic buffer sequence for a subsequent
+ * read_until operation to examine.
+ *
+ * @par Example
+ * To read data into a @c std::string until a CR-LF sequence is encountered:
+ * @code std::string data;
+ * std::string n = asio::read_until(s,
+ *     asio::dynamic_buffer(data), "\r\n");
+ * std::string line = data.substr(0, n);
+ * data.erase(0, n); @endcode
+ * After the @c read_until operation completes successfully, the string @c data
+ * contains the delimiter:
+ * @code { 'a', 'b', ..., 'c', '\r', '\n', 'd', 'e', ... } @endcode
+ * The call to @c substr then extracts the data up to and including the
+ * delimiter, so that the string @c line contains:
+ * @code { 'a', 'b', ..., 'c', '\r', '\n' } @endcode
+ * After the call to @c erase, the remaining data is left in the buffer @c b as
+ * follows:
+ * @code { 'd', 'e', ... } @endcode
+ * This data may be the start of a new line, to be extracted by a subsequent
+ * @c read_until operation.
+ */
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+std::size_t read_until(SyncReadStream& s, DynamicBuffer_v2 buffers,
+    ASIO_STRING_VIEW_PARAM delim,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type* = 0);
+
+/// Read data into a dynamic buffer sequence until it contains a specified
+/// delimiter.
+/**
+ * This function is used to read data into the specified dynamic buffer
+ * sequence until the dynamic buffer sequence's get area contains the specified
+ * delimiter. The call will block until one of the following conditions is
+ * true:
+ *
+ * @li The get area of the dynamic buffer sequence contains the specified
+ * delimiter.
+ *
+ * @li An error occurred.
+ *
+ * This operation is implemented in terms of zero or more calls to the stream's
+ * read_some function. If the dynamic buffer sequence's get area already
+ * contains the delimiter, the function returns immediately.
+ *
+ * @param s The stream from which the data is to be read. The type must support
+ * the SyncReadStream concept.
+ *
+ * @param buffers The dynamic buffer sequence into which the data will be read.
+ *
+ * @param delim The delimiter string.
+ *
+ * @param ec Set to indicate what error occurred, if any.
+ *
+ * @returns The number of bytes in the dynamic buffer sequence's get area up to
+ * and including the delimiter. Returns 0 if an error occurred.
+ *
+ * @note After a successful read_until operation, the dynamic buffer sequence
+ * may contain additional data beyond the delimiter. An application will
+ * typically leave that data in the dynamic buffer sequence for a subsequent
+ * read_until operation to examine.
+ */
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+std::size_t read_until(SyncReadStream& s, DynamicBuffer_v2 buffers,
+    ASIO_STRING_VIEW_PARAM delim, asio::error_code& ec,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type* = 0);
+
+#if !defined(ASIO_NO_EXTENSIONS)
+#if defined(ASIO_HAS_BOOST_REGEX) \
+  || defined(GENERATING_DOCUMENTATION)
+
+/// Read data into a dynamic buffer sequence until some part of the data it
+/// contains matches a regular expression.
+/**
+ * This function is used to read data into the specified dynamic buffer
+ * sequence until the dynamic buffer sequence's get area contains some data
+ * that matches a regular expression. The call will block until one of the
+ * following conditions is true:
+ *
+ * @li A substring of the dynamic buffer sequence's get area matches the
+ * regular expression.
+ *
+ * @li An error occurred.
+ *
+ * This operation is implemented in terms of zero or more calls to the stream's
+ * read_some function. If the dynamic buffer sequence's get area already
+ * contains data that matches the regular expression, the function returns
+ * immediately.
+ *
+ * @param s The stream from which the data is to be read. The type must support
+ * the SyncReadStream concept.
+ *
+ * @param buffers A dynamic buffer sequence into which the data will be read.
+ *
+ * @param expr The regular expression.
+ *
+ * @returns The number of bytes in the dynamic buffer sequence's get area up to
+ * and including the substring that matches the regular expression.
+ *
+ * @throws asio::system_error Thrown on failure.
+ *
+ * @note After a successful read_until operation, the dynamic buffer sequence
+ * may contain additional data beyond that which matched the regular
+ * expression. An application will typically leave that data in the dynamic
+ * buffer sequence for a subsequent read_until operation to examine.
+ *
+ * @par Example
+ * To read data into a @c std::string until a CR-LF sequence is encountered:
+ * @code std::string data;
+ * std::string n = asio::read_until(s,
+ *     asio::dynamic_buffer(data), boost::regex("\r\n"));
+ * std::string line = data.substr(0, n);
+ * data.erase(0, n); @endcode
+ * After the @c read_until operation completes successfully, the string @c data
+ * contains the delimiter:
+ * @code { 'a', 'b', ..., 'c', '\r', '\n', 'd', 'e', ... } @endcode
+ * The call to @c substr then extracts the data up to and including the
+ * delimiter, so that the string @c line contains:
+ * @code { 'a', 'b', ..., 'c', '\r', '\n' } @endcode
+ * After the call to @c erase, the remaining data is left in the buffer @c b as
+ * follows:
+ * @code { 'd', 'e', ... } @endcode
+ * This data may be the start of a new line, to be extracted by a subsequent
+ * @c read_until operation.
+ */
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+std::size_t read_until(SyncReadStream& s, DynamicBuffer_v2 buffers,
+    const boost::regex& expr,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type* = 0);
+
+/// Read data into a dynamic buffer sequence until some part of the data it
+/// contains matches a regular expression.
+/**
+ * This function is used to read data into the specified dynamic buffer
+ * sequence until the dynamic buffer sequence's get area contains some data
+ * that matches a regular expression. The call will block until one of the
+ * following conditions is true:
+ *
+ * @li A substring of the dynamic buffer sequence's get area matches the
+ * regular expression.
+ *
+ * @li An error occurred.
+ *
+ * This operation is implemented in terms of zero or more calls to the stream's
+ * read_some function. If the dynamic buffer sequence's get area already
+ * contains data that matches the regular expression, the function returns
+ * immediately.
+ *
+ * @param s The stream from which the data is to be read. The type must support
+ * the SyncReadStream concept.
+ *
+ * @param buffers A dynamic buffer sequence into which the data will be read.
+ *
+ * @param expr The regular expression.
+ *
+ * @param ec Set to indicate what error occurred, if any.
+ *
+ * @returns The number of bytes in the dynamic buffer sequence's get area up to
+ * and including the substring that matches the regular expression. Returns 0
+ * if an error occurred.
+ *
+ * @note After a successful read_until operation, the dynamic buffer sequence
+ * may contain additional data beyond that which matched the regular
+ * expression. An application will typically leave that data in the dynamic
+ * buffer sequence for a subsequent read_until operation to examine.
+ */
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+std::size_t read_until(SyncReadStream& s, DynamicBuffer_v2 buffers,
+    const boost::regex& expr, asio::error_code& ec,
+    typename enable_if<
+        is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type* = 0);
+
+#endif // defined(ASIO_HAS_BOOST_REGEX)
+       // || defined(GENERATING_DOCUMENTATION)
+
+/// Read data into a dynamic buffer sequence until a function object indicates a
+/// match.
+
+/**
+ * This function is used to read data into the specified dynamic buffer
+ * sequence until a user-defined match condition function object, when applied
+ * to the data contained in the dynamic buffer sequence, indicates a successful
+ * match. The call will block until one of the following conditions is true:
+ *
+ * @li The match condition function object returns a std::pair where the second
+ * element evaluates to true.
+ *
+ * @li An error occurred.
+ *
+ * This operation is implemented in terms of zero or more calls to the stream's
+ * read_some function. If the match condition function object already indicates
+ * a match, the function returns immediately.
+ *
+ * @param s The stream from which the data is to be read. The type must support
+ * the SyncReadStream concept.
+ *
+ * @param buffers A dynamic buffer sequence into which the data will be read.
+ *
+ * @param match_condition The function object to be called to determine whether
+ * a match exists. The signature of the function object must be:
+ * @code pair<iterator, bool> match_condition(iterator begin, iterator end);
+ * @endcode
+ * where @c iterator represents the type:
+ * @code buffers_iterator<typename DynamicBuffer_v2::const_buffers_type>
+ * @endcode
+ * The iterator parameters @c begin and @c end define the range of bytes to be
+ * scanned to determine whether there is a match. The @c first member of the
+ * return value is an iterator marking one-past-the-end of the bytes that have
+ * been consumed by the match function. This iterator is used to calculate the
+ * @c begin parameter for any subsequent invocation of the match condition. The
+ * @c second member of the return value is true if a match has been found, false
+ * otherwise.
+ *
+ * @returns The number of bytes in the dynamic_buffer's get area that
+ * have been fully consumed by the match function.
+ *
+ * @throws asio::system_error Thrown on failure.
+ *
+ * @note After a successful read_until operation, the dynamic buffer sequence
+ * may contain additional data beyond that which matched the function object.
+ * An application will typically leave that data in the dynamic buffer sequence
+ * for a subsequent read_until operation to examine.
+
+ * @note The default implementation of the @c is_match_condition type trait
+ * evaluates to true for function pointers and function objects with a
+ * @c result_type typedef. It must be specialised for other user-defined
+ * function objects.
+ *
+ * @par Examples
+ * To read data into a dynamic buffer sequence until whitespace is encountered:
+ * @code typedef asio::buffers_iterator<
+ *     asio::const_buffers_1> iterator;
+ *
+ * std::pair<iterator, bool>
+ * match_whitespace(iterator begin, iterator end)
+ * {
+ *   iterator i = begin;
+ *   while (i != end)
+ *     if (std::isspace(*i++))
+ *       return std::make_pair(i, true);
+ *   return std::make_pair(i, false);
+ * }
+ * ...
+ * std::string data;
+ * asio::read_until(s, data, match_whitespace);
+ * @endcode
+ *
+ * To read data into a @c std::string until a matching character is found:
+ * @code class match_char
+ * {
+ * public:
+ *   explicit match_char(char c) : c_(c) {}
+ *
+ *   template <typename Iterator>
+ *   std::pair<Iterator, bool> operator()(
+ *       Iterator begin, Iterator end) const
+ *   {
+ *     Iterator i = begin;
+ *     while (i != end)
+ *       if (c_ == *i++)
+ *         return std::make_pair(i, true);
+ *     return std::make_pair(i, false);
+ *   }
+ *
+ * private:
+ *   char c_;
+ * };
+ *
+ * namespace asio {
+ *   template <> struct is_match_condition<match_char>
+ *     : public boost::true_type {};
+ * } // namespace asio
+ * ...
+ * std::string data;
+ * asio::read_until(s, data, match_char('a'));
+ * @endcode
+ */
+template <typename SyncReadStream,
+    typename DynamicBuffer_v2, typename MatchCondition>
+std::size_t read_until(SyncReadStream& s, DynamicBuffer_v2 buffers,
+    MatchCondition match_condition,
+    typename enable_if<
+      is_match_condition<MatchCondition>::value
+        && is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type* = 0);
+
+/// Read data into a dynamic buffer sequence until a function object indicates a
+/// match.
+/**
+ * This function is used to read data into the specified dynamic buffer
+ * sequence until a user-defined match condition function object, when applied
+ * to the data contained in the dynamic buffer sequence, indicates a successful
+ * match. The call will block until one of the following conditions is true:
+ *
+ * @li The match condition function object returns a std::pair where the second
+ * element evaluates to true.
+ *
+ * @li An error occurred.
+ *
+ * This operation is implemented in terms of zero or more calls to the stream's
+ * read_some function. If the match condition function object already indicates
+ * a match, the function returns immediately.
+ *
+ * @param s The stream from which the data is to be read. The type must support
+ * the SyncReadStream concept.
+ *
+ * @param buffers A dynamic buffer sequence into which the data will be read.
+ *
+ * @param match_condition The function object to be called to determine whether
+ * a match exists. The signature of the function object must be:
+ * @code pair<iterator, bool> match_condition(iterator begin, iterator end);
+ * @endcode
+ * where @c iterator represents the type:
+ * @code buffers_iterator<DynamicBuffer_v2::const_buffers_type>
+ * @endcode
+ * The iterator parameters @c begin and @c end define the range of bytes to be
+ * scanned to determine whether there is a match. The @c first member of the
+ * return value is an iterator marking one-past-the-end of the bytes that have
+ * been consumed by the match function. This iterator is used to calculate the
+ * @c begin parameter for any subsequent invocation of the match condition. The
+ * @c second member of the return value is true if a match has been found, false
+ * otherwise.
+ *
+ * @param ec Set to indicate what error occurred, if any.
+ *
+ * @returns The number of bytes in the dynamic buffer sequence's get area that
+ * have been fully consumed by the match function. Returns 0 if an error
+ * occurred.
+ *
+ * @note After a successful read_until operation, the dynamic buffer sequence
+ * may contain additional data beyond that which matched the function object.
+ * An application will typically leave that data in the dynamic buffer sequence
+ * for a subsequent read_until operation to examine.
+ *
+ * @note The default implementation of the @c is_match_condition type trait
+ * evaluates to true for function pointers and function objects with a
+ * @c result_type typedef. It must be specialised for other user-defined
+ * function objects.
+ */
+template <typename SyncReadStream,
+    typename DynamicBuffer_v2, typename MatchCondition>
+std::size_t read_until(SyncReadStream& s, DynamicBuffer_v2 buffers,
+    MatchCondition match_condition, asio::error_code& ec,
+    typename enable_if<
+      is_match_condition<MatchCondition>::value
+        && is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type* = 0);
+
+#endif // !defined(ASIO_NO_EXTENSIONS)
 
 /*@}*/
 /**
  * @defgroup async_read_until asio::async_read_until
  *
- * @brief Start an asynchronous operation to read data into a dynamic buffer
- * sequence, or into a streambuf, until it contains a delimiter, matches a
- * regular expression, or a function object indicates a match.
+ * @brief The @c async_read_until function is a composed asynchronous operation
+ * that reads data into a dynamic buffer sequence, or into a streambuf, until
+ * it contains a delimiter, matches a regular expression, or a function object
+ * indicates a match.
  */
 /*@{*/
 
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
 /// Start an asynchronous operation to read data into a dynamic buffer sequence
 /// until it contains a specified delimiter.
 /**
@@ -1036,9 +1561,9 @@ std::size_t read_until(SyncReadStream& s,
  *   std::size_t bytes_transferred
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @note After a successful async_read_until operation, the dynamic buffer
  * sequence may contain additional data beyond the delimiter. An application
@@ -1074,12 +1599,16 @@ std::size_t read_until(SyncReadStream& s,
  * @c async_read_until operation.
  */
 template <typename AsyncReadStream,
-    typename DynamicBuffer, typename ReadHandler>
+    typename DynamicBuffer_v1, typename ReadHandler>
 ASIO_INITFN_RESULT_TYPE(ReadHandler,
     void (asio::error_code, std::size_t))
 async_read_until(AsyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
-    char delim, ASIO_MOVE_ARG(ReadHandler) handler);
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+    char delim, ASIO_MOVE_ARG(ReadHandler) handler,
+    typename enable_if<
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+    >::type* = 0);
 
 /// Start an asynchronous operation to read data into a dynamic buffer sequence
 /// until it contains a specified delimiter.
@@ -1126,9 +1655,9 @@ async_read_until(AsyncReadStream& s,
  *   std::size_t bytes_transferred
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @note After a successful async_read_until operation, the dynamic buffer
  * sequence may contain additional data beyond the delimiter. An application
@@ -1164,13 +1693,17 @@ async_read_until(AsyncReadStream& s,
  * @c async_read_until operation.
  */
 template <typename AsyncReadStream,
-    typename DynamicBuffer, typename ReadHandler>
+    typename DynamicBuffer_v1, typename ReadHandler>
 ASIO_INITFN_RESULT_TYPE(ReadHandler,
     void (asio::error_code, std::size_t))
 async_read_until(AsyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     ASIO_STRING_VIEW_PARAM delim,
-    ASIO_MOVE_ARG(ReadHandler) handler);
+    ASIO_MOVE_ARG(ReadHandler) handler,
+    typename enable_if<
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+    >::type* = 0);
 
 #if !defined(ASIO_NO_EXTENSIONS)
 #if defined(ASIO_HAS_BOOST_REGEX) \
@@ -1223,9 +1756,9 @@ async_read_until(AsyncReadStream& s,
  *   std::size_t bytes_transferred
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @note After a successful async_read_until operation, the dynamic buffer
  * sequence may contain additional data beyond that which matched the regular
@@ -1262,13 +1795,17 @@ async_read_until(AsyncReadStream& s,
  * @c async_read_until operation.
  */
 template <typename AsyncReadStream,
-    typename DynamicBuffer, typename ReadHandler>
+    typename DynamicBuffer_v1, typename ReadHandler>
 ASIO_INITFN_RESULT_TYPE(ReadHandler,
     void (asio::error_code, std::size_t))
 async_read_until(AsyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     const boost::regex& expr,
-    ASIO_MOVE_ARG(ReadHandler) handler);
+    ASIO_MOVE_ARG(ReadHandler) handler,
+    typename enable_if<
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+    >::type* = 0);
 
 #endif // defined(ASIO_HAS_BOOST_REGEX)
        // || defined(GENERATING_DOCUMENTATION)
@@ -1309,7 +1846,7 @@ async_read_until(AsyncReadStream& s,
  * @code pair<iterator, bool> match_condition(iterator begin, iterator end);
  * @endcode
  * where @c iterator represents the type:
- * @code buffers_iterator<typename DynamicBuffer::const_buffers_type>
+ * @code buffers_iterator<typename DynamicBuffer_v1::const_buffers_type>
  * @endcode
  * The iterator parameters @c begin and @c end define the range of bytes to be
  * scanned to determine whether there is a match. The @c first member of the
@@ -1332,9 +1869,9 @@ async_read_until(AsyncReadStream& s,
  *   std::size_t bytes_transferred
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @note After a successful async_read_until operation, the dynamic buffer
  * sequence may contain additional data beyond that which matched the function
@@ -1401,14 +1938,18 @@ async_read_until(AsyncReadStream& s,
  * asio::async_read_until(s, data, match_char('a'), handler);
  * @endcode
  */
-template <typename AsyncReadStream, typename DynamicBuffer,
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
     typename MatchCondition, typename ReadHandler>
 ASIO_INITFN_RESULT_TYPE(ReadHandler,
     void (asio::error_code, std::size_t))
 async_read_until(AsyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     MatchCondition match_condition, ASIO_MOVE_ARG(ReadHandler) handler,
-    typename enable_if<is_match_condition<MatchCondition>::value>::type* = 0);
+    typename enable_if<
+      is_match_condition<MatchCondition>::value
+        && is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+    >::type* = 0);
 
 #if !defined(ASIO_NO_IOSTREAM)
 
@@ -1454,9 +1995,9 @@ async_read_until(AsyncReadStream& s,
  *   std::size_t bytes_transferred
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @note After a successful async_read_until operation, the streambuf may
  * contain additional data beyond the delimiter. An application will typically
@@ -1539,9 +2080,9 @@ async_read_until(AsyncReadStream& s,
  *   std::size_t bytes_transferred
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @note After a successful async_read_until operation, the streambuf may
  * contain additional data beyond the delimiter. An application will typically
@@ -1631,9 +2172,9 @@ async_read_until(AsyncReadStream& s,
  *   std::size_t bytes_transferred
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @note After a successful async_read_until operation, the streambuf may
  * contain additional data beyond that which matched the regular expression. An
@@ -1733,9 +2274,9 @@ async_read_until(AsyncReadStream& s,
  *   std::size_t bytes_transferred
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @note After a successful async_read_until operation, the streambuf may
  * contain additional data beyond that which matched the function object. An
@@ -1812,6 +2353,436 @@ async_read_until(AsyncReadStream& s,
 
 #endif // !defined(ASIO_NO_IOSTREAM)
 #endif // !defined(ASIO_NO_EXTENSIONS)
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
+/// Start an asynchronous operation to read data into a dynamic buffer sequence
+/// until it contains a specified delimiter.
+/**
+ * This function is used to asynchronously read data into the specified dynamic
+ * buffer sequence until the dynamic buffer sequence's get area contains the
+ * specified delimiter. The function call always returns immediately. The
+ * asynchronous operation will continue until one of the following conditions
+ * is true:
+ *
+ * @li The get area of the dynamic buffer sequence contains the specified
+ * delimiter.
+ *
+ * @li An error occurred.
+ *
+ * This operation is implemented in terms of zero or more calls to the stream's
+ * async_read_some function, and is known as a <em>composed operation</em>. If
+ * the dynamic buffer sequence's get area already contains the delimiter, this
+ * asynchronous operation completes immediately. The program must ensure that
+ * the stream performs no other read operations (such as async_read,
+ * async_read_until, the stream's async_read_some function, or any other
+ * composed operations that perform reads) until this operation completes.
+ *
+ * @param s The stream from which the data is to be read. The type must support
+ * the AsyncReadStream concept.
+ *
+ * @param buffers The dynamic buffer sequence into which the data will be read.
+ * Although the buffers object may be copied as necessary, ownership of the
+ * underlying memory blocks is retained by the caller, which must guarantee
+ * that they remain valid until the handler is called.
+ *
+ * @param delim The delimiter character.
+ *
+ * @param handler The handler to be called when the read operation completes.
+ * Copies will be made of the handler as required. The function signature of the
+ * handler must be:
+ * @code void handler(
+ *   // Result of operation.
+ *   const asio::error_code& error,
+ *
+ *   // The number of bytes in the dynamic buffer sequence's
+ *   // get area up to and including the delimiter.
+ *   // 0 if an error occurred.
+ *   std::size_t bytes_transferred
+ * ); @endcode
+ * Regardless of whether the asynchronous operation completes immediately or
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
+ *
+ * @note After a successful async_read_until operation, the dynamic buffer
+ * sequence may contain additional data beyond the delimiter. An application
+ * will typically leave that data in the dynamic buffer sequence for a
+ * subsequent async_read_until operation to examine.
+ *
+ * @par Example
+ * To asynchronously read data into a @c std::string until a newline is
+ * encountered:
+ * @code std::string data;
+ * ...
+ * void handler(const asio::error_code& e, std::size_t size)
+ * {
+ *   if (!e)
+ *   {
+ *     std::string line = data.substr(0, n);
+ *     data.erase(0, n);
+ *     ...
+ *   }
+ * }
+ * ...
+ * asio::async_read_until(s, data, '\n', handler); @endcode
+ * After the @c async_read_until operation completes successfully, the buffer
+ * @c data contains the delimiter:
+ * @code { 'a', 'b', ..., 'c', '\n', 'd', 'e', ... } @endcode
+ * The call to @c substr then extracts the data up to and including the
+ * delimiter, so that the string @c line contains:
+ * @code { 'a', 'b', ..., 'c', '\n' } @endcode
+ * After the call to @c erase, the remaining data is left in the buffer @c data
+ * as follows:
+ * @code { 'd', 'e', ... } @endcode
+ * This data may be the start of a new line, to be extracted by a subsequent
+ * @c async_read_until operation.
+ */
+template <typename AsyncReadStream,
+    typename DynamicBuffer_v2, typename ReadHandler>
+ASIO_INITFN_RESULT_TYPE(ReadHandler,
+    void (asio::error_code, std::size_t))
+async_read_until(AsyncReadStream& s, DynamicBuffer_v2 buffers,
+    char delim, ASIO_MOVE_ARG(ReadHandler) handler,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type* = 0);
+
+/// Start an asynchronous operation to read data into a dynamic buffer sequence
+/// until it contains a specified delimiter.
+/**
+ * This function is used to asynchronously read data into the specified dynamic
+ * buffer sequence until the dynamic buffer sequence's get area contains the
+ * specified delimiter. The function call always returns immediately. The
+ * asynchronous operation will continue until one of the following conditions
+ * is true:
+ *
+ * @li The get area of the dynamic buffer sequence contains the specified
+ * delimiter.
+ *
+ * @li An error occurred.
+ *
+ * This operation is implemented in terms of zero or more calls to the stream's
+ * async_read_some function, and is known as a <em>composed operation</em>. If
+ * the dynamic buffer sequence's get area already contains the delimiter, this
+ * asynchronous operation completes immediately. The program must ensure that
+ * the stream performs no other read operations (such as async_read,
+ * async_read_until, the stream's async_read_some function, or any other
+ * composed operations that perform reads) until this operation completes.
+ *
+ * @param s The stream from which the data is to be read. The type must support
+ * the AsyncReadStream concept.
+ *
+ * @param buffers The dynamic buffer sequence into which the data will be read.
+ * Although the buffers object may be copied as necessary, ownership of the
+ * underlying memory blocks is retained by the caller, which must guarantee
+ * that they remain valid until the handler is called.
+ *
+ * @param delim The delimiter string.
+ *
+ * @param handler The handler to be called when the read operation completes.
+ * Copies will be made of the handler as required. The function signature of the
+ * handler must be:
+ * @code void handler(
+ *   // Result of operation.
+ *   const asio::error_code& error,
+ *
+ *   // The number of bytes in the dynamic buffer sequence's
+ *   // get area up to and including the delimiter.
+ *   // 0 if an error occurred.
+ *   std::size_t bytes_transferred
+ * ); @endcode
+ * Regardless of whether the asynchronous operation completes immediately or
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
+ *
+ * @note After a successful async_read_until operation, the dynamic buffer
+ * sequence may contain additional data beyond the delimiter. An application
+ * will typically leave that data in the dynamic buffer sequence for a
+ * subsequent async_read_until operation to examine.
+ *
+ * @par Example
+ * To asynchronously read data into a @c std::string until a CR-LF sequence is
+ * encountered:
+ * @code std::string data;
+ * ...
+ * void handler(const asio::error_code& e, std::size_t size)
+ * {
+ *   if (!e)
+ *   {
+ *     std::string line = data.substr(0, n);
+ *     data.erase(0, n);
+ *     ...
+ *   }
+ * }
+ * ...
+ * asio::async_read_until(s, data, "\r\n", handler); @endcode
+ * After the @c async_read_until operation completes successfully, the string
+ * @c data contains the delimiter:
+ * @code { 'a', 'b', ..., 'c', '\r', '\n', 'd', 'e', ... } @endcode
+ * The call to @c substr then extracts the data up to and including the
+ * delimiter, so that the string @c line contains:
+ * @code { 'a', 'b', ..., 'c', '\r', '\n' } @endcode
+ * After the call to @c erase, the remaining data is left in the string @c data
+ * as follows:
+ * @code { 'd', 'e', ... } @endcode
+ * This data may be the start of a new line, to be extracted by a subsequent
+ * @c async_read_until operation.
+ */
+template <typename AsyncReadStream,
+    typename DynamicBuffer_v2, typename ReadHandler>
+ASIO_INITFN_RESULT_TYPE(ReadHandler,
+    void (asio::error_code, std::size_t))
+async_read_until(AsyncReadStream& s, DynamicBuffer_v2 buffers,
+    ASIO_STRING_VIEW_PARAM delim,
+    ASIO_MOVE_ARG(ReadHandler) handler,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type* = 0);
+
+#if !defined(ASIO_NO_EXTENSIONS)
+#if defined(ASIO_HAS_BOOST_REGEX) \
+  || defined(GENERATING_DOCUMENTATION)
+
+/// Start an asynchronous operation to read data into a dynamic buffer sequence
+/// until some part of its data matches a regular expression.
+/**
+ * This function is used to asynchronously read data into the specified dynamic
+ * buffer sequence until the dynamic buffer sequence's get area contains some
+ * data that matches a regular expression. The function call always returns
+ * immediately. The asynchronous operation will continue until one of the
+ * following conditions is true:
+ *
+ * @li A substring of the dynamic buffer sequence's get area matches the regular
+ * expression.
+ *
+ * @li An error occurred.
+ *
+ * This operation is implemented in terms of zero or more calls to the stream's
+ * async_read_some function, and is known as a <em>composed operation</em>. If
+ * the dynamic buffer sequence's get area already contains data that matches
+ * the regular expression, this asynchronous operation completes immediately.
+ * The program must ensure that the stream performs no other read operations
+ * (such as async_read, async_read_until, the stream's async_read_some
+ * function, or any other composed operations that perform reads) until this
+ * operation completes.
+ *
+ * @param s The stream from which the data is to be read. The type must support
+ * the AsyncReadStream concept.
+ *
+ * @param buffers The dynamic buffer sequence into which the data will be read.
+ * Although the buffers object may be copied as necessary, ownership of the
+ * underlying memory blocks is retained by the caller, which must guarantee
+ * that they remain valid until the handler is called.
+ *
+ * @param expr The regular expression.
+ *
+ * @param handler The handler to be called when the read operation completes.
+ * Copies will be made of the handler as required. The function signature of the
+ * handler must be:
+ * @code void handler(
+ *   // Result of operation.
+ *   const asio::error_code& error,
+ *
+ *   // The number of bytes in the dynamic buffer
+ *   // sequence's get area up to and including the
+ *   // substring that matches the regular expression.
+ *   // 0 if an error occurred.
+ *   std::size_t bytes_transferred
+ * ); @endcode
+ * Regardless of whether the asynchronous operation completes immediately or
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
+ *
+ * @note After a successful async_read_until operation, the dynamic buffer
+ * sequence may contain additional data beyond that which matched the regular
+ * expression. An application will typically leave that data in the dynamic
+ * buffer sequence for a subsequent async_read_until operation to examine.
+ *
+ * @par Example
+ * To asynchronously read data into a @c std::string until a CR-LF sequence is
+ * encountered:
+ * @code std::string data;
+ * ...
+ * void handler(const asio::error_code& e, std::size_t size)
+ * {
+ *   if (!e)
+ *   {
+ *     std::string line = data.substr(0, n);
+ *     data.erase(0, n);
+ *     ...
+ *   }
+ * }
+ * ...
+ * asio::async_read_until(s, data,
+ *     boost::regex("\r\n"), handler); @endcode
+ * After the @c async_read_until operation completes successfully, the string
+ * @c data contains the data which matched the regular expression:
+ * @code { 'a', 'b', ..., 'c', '\r', '\n', 'd', 'e', ... } @endcode
+ * The call to @c substr then extracts the data up to and including the match,
+ * so that the string @c line contains:
+ * @code { 'a', 'b', ..., 'c', '\r', '\n' } @endcode
+ * After the call to @c erase, the remaining data is left in the string @c data
+ * as follows:
+ * @code { 'd', 'e', ... } @endcode
+ * This data may be the start of a new line, to be extracted by a subsequent
+ * @c async_read_until operation.
+ */
+template <typename AsyncReadStream,
+    typename DynamicBuffer_v2, typename ReadHandler>
+ASIO_INITFN_RESULT_TYPE(ReadHandler,
+    void (asio::error_code, std::size_t))
+async_read_until(AsyncReadStream& s, DynamicBuffer_v2 buffers,
+    const boost::regex& expr,
+    ASIO_MOVE_ARG(ReadHandler) handler,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type* = 0);
+
+#endif // defined(ASIO_HAS_BOOST_REGEX)
+       // || defined(GENERATING_DOCUMENTATION)
+
+/// Start an asynchronous operation to read data into a dynamic buffer sequence
+/// until a function object indicates a match.
+/**
+ * This function is used to asynchronously read data into the specified dynamic
+ * buffer sequence until a user-defined match condition function object, when
+ * applied to the data contained in the dynamic buffer sequence, indicates a
+ * successful match. The function call always returns immediately. The
+ * asynchronous operation will continue until one of the following conditions
+ * is true:
+ *
+ * @li The match condition function object returns a std::pair where the second
+ * element evaluates to true.
+ *
+ * @li An error occurred.
+ *
+ * This operation is implemented in terms of zero or more calls to the stream's
+ * async_read_some function, and is known as a <em>composed operation</em>. If
+ * the match condition function object already indicates a match, this
+ * asynchronous operation completes immediately. The program must ensure that
+ * the stream performs no other read operations (such as async_read,
+ * async_read_until, the stream's async_read_some function, or any other
+ * composed operations that perform reads) until this operation completes.
+ *
+ * @param s The stream from which the data is to be read. The type must support
+ * the AsyncReadStream concept.
+ *
+ * @param buffers The dynamic buffer sequence into which the data will be read.
+ * Although the buffers object may be copied as necessary, ownership of the
+ * underlying memory blocks is retained by the caller, which must guarantee
+ * that they remain valid until the handler is called.
+ *
+ * @param match_condition The function object to be called to determine whether
+ * a match exists. The signature of the function object must be:
+ * @code pair<iterator, bool> match_condition(iterator begin, iterator end);
+ * @endcode
+ * where @c iterator represents the type:
+ * @code buffers_iterator<typename DynamicBuffer_v2::const_buffers_type>
+ * @endcode
+ * The iterator parameters @c begin and @c end define the range of bytes to be
+ * scanned to determine whether there is a match. The @c first member of the
+ * return value is an iterator marking one-past-the-end of the bytes that have
+ * been consumed by the match function. This iterator is used to calculate the
+ * @c begin parameter for any subsequent invocation of the match condition. The
+ * @c second member of the return value is true if a match has been found, false
+ * otherwise.
+ *
+ * @param handler The handler to be called when the read operation completes.
+ * Copies will be made of the handler as required. The function signature of the
+ * handler must be:
+ * @code void handler(
+ *   // Result of operation.
+ *   const asio::error_code& error,
+ *
+ *   // The number of bytes in the dynamic buffer sequence's
+ *   // get area that have been fully consumed by the match
+ *   // function. O if an error occurred.
+ *   std::size_t bytes_transferred
+ * ); @endcode
+ * Regardless of whether the asynchronous operation completes immediately or
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
+ *
+ * @note After a successful async_read_until operation, the dynamic buffer
+ * sequence may contain additional data beyond that which matched the function
+ * object. An application will typically leave that data in the dynamic buffer
+ * sequence for a subsequent async_read_until operation to examine.
+ *
+ * @note The default implementation of the @c is_match_condition type trait
+ * evaluates to true for function pointers and function objects with a
+ * @c result_type typedef. It must be specialised for other user-defined
+ * function objects.
+ *
+ * @par Examples
+ * To asynchronously read data into a @c std::string until whitespace is
+ * encountered:
+ * @code typedef asio::buffers_iterator<
+ *     asio::const_buffers_1> iterator;
+ *
+ * std::pair<iterator, bool>
+ * match_whitespace(iterator begin, iterator end)
+ * {
+ *   iterator i = begin;
+ *   while (i != end)
+ *     if (std::isspace(*i++))
+ *       return std::make_pair(i, true);
+ *   return std::make_pair(i, false);
+ * }
+ * ...
+ * void handler(const asio::error_code& e, std::size_t size);
+ * ...
+ * std::string data;
+ * asio::async_read_until(s, data, match_whitespace, handler);
+ * @endcode
+ *
+ * To asynchronously read data into a @c std::string until a matching character
+ * is found:
+ * @code class match_char
+ * {
+ * public:
+ *   explicit match_char(char c) : c_(c) {}
+ *
+ *   template <typename Iterator>
+ *   std::pair<Iterator, bool> operator()(
+ *       Iterator begin, Iterator end) const
+ *   {
+ *     Iterator i = begin;
+ *     while (i != end)
+ *       if (c_ == *i++)
+ *         return std::make_pair(i, true);
+ *     return std::make_pair(i, false);
+ *   }
+ *
+ * private:
+ *   char c_;
+ * };
+ *
+ * namespace asio {
+ *   template <> struct is_match_condition<match_char>
+ *     : public boost::true_type {};
+ * } // namespace asio
+ * ...
+ * void handler(const asio::error_code& e, std::size_t size);
+ * ...
+ * std::string data;
+ * asio::async_read_until(s, data, match_char('a'), handler);
+ * @endcode
+ */
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+    typename MatchCondition, typename ReadHandler>
+ASIO_INITFN_RESULT_TYPE(ReadHandler,
+    void (asio::error_code, std::size_t))
+async_read_until(AsyncReadStream& s, DynamicBuffer_v2 buffers,
+    MatchCondition match_condition, ASIO_MOVE_ARG(ReadHandler) handler,
+    typename enable_if<
+      is_match_condition<MatchCondition>::value
+        && is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type* = 0);
+
+#endif // !defined(ASIO_NO_EXTENSIONS)
 
 /*@}*/
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/redirect_error.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/redirect_error.hpp
new file mode 100644
index 0000000..d7740b9
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/redirect_error.hpp
@@ -0,0 +1,66 @@
+//
+// redirect_error.hpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_REDIRECT_ERROR_HPP
+#define ASIO_REDIRECT_ERROR_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/detail/type_traits.hpp"
+#include "asio/error_code.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+
+/// Completion token type used to specify that an error produced by an
+/// asynchronous operation is captured to an error_code variable.
+/**
+ * The redirect_error_t class is used to indicate that any error_code produced
+ * by an asynchronous operation is captured to a specified variable.
+ */
+template <typename CompletionToken>
+class redirect_error_t
+{
+public:
+  /// Constructor. 
+  template <typename T>
+  redirect_error_t(ASIO_MOVE_ARG(T) completion_token,
+      asio::error_code& ec)
+    : token_(ASIO_MOVE_CAST(T)(completion_token)),
+      ec_(ec)
+  {
+  }
+
+//private:
+  CompletionToken token_;
+  asio::error_code& ec_;
+};
+
+/// Create a completion token to capture error_code values to a variable.
+template <typename CompletionToken>
+inline redirect_error_t<typename decay<CompletionToken>::type> redirect_error(
+    ASIO_MOVE_ARG(CompletionToken) completion_token,
+    asio::error_code& ec)
+{
+  return redirect_error_t<typename decay<CompletionToken>::type>(
+      ASIO_MOVE_CAST(CompletionToken)(completion_token), ec);
+}
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/impl/redirect_error.hpp"
+
+#endif // ASIO_REDIRECT_ERROR_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/seq_packet_socket_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/seq_packet_socket_service.hpp
deleted file mode 100644
index e4335d3..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/seq_packet_socket_service.hpp
+++ /dev/null
@@ -1,416 +0,0 @@
-//
-// seq_packet_socket_service.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef ASIO_SEQ_PACKET_SOCKET_SERVICE_HPP
-#define ASIO_SEQ_PACKET_SOCKET_SERVICE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#include <cstddef>
-#include "asio/async_result.hpp"
-#include "asio/detail/type_traits.hpp"
-#include "asio/error.hpp"
-#include "asio/io_context.hpp"
-
-#if defined(ASIO_WINDOWS_RUNTIME)
-# include "asio/detail/null_socket_service.hpp"
-#elif defined(ASIO_HAS_IOCP)
-# include "asio/detail/win_iocp_socket_service.hpp"
-#else
-# include "asio/detail/reactive_socket_service.hpp"
-#endif
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-
-/// Default service implementation for a sequenced packet socket.
-template <typename Protocol>
-class seq_packet_socket_service
-#if defined(GENERATING_DOCUMENTATION)
-  : public asio::io_context::service
-#else
-  : public asio::detail::service_base<
-      seq_packet_socket_service<Protocol> >
-#endif
-{
-public:
-#if defined(GENERATING_DOCUMENTATION)
-  /// The unique service identifier.
-  static asio::io_context::id id;
-#endif
-
-  /// The protocol type.
-  typedef Protocol protocol_type;
-
-  /// The endpoint type.
-  typedef typename Protocol::endpoint endpoint_type;
-
-private:
-  // The type of the platform-specific implementation.
-#if defined(ASIO_WINDOWS_RUNTIME)
-  typedef detail::null_socket_service<Protocol> service_impl_type;
-#elif defined(ASIO_HAS_IOCP)
-  typedef detail::win_iocp_socket_service<Protocol> service_impl_type;
-#else
-  typedef detail::reactive_socket_service<Protocol> service_impl_type;
-#endif
-
-public:
-  /// The type of a sequenced packet socket implementation.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined implementation_type;
-#else
-  typedef typename service_impl_type::implementation_type implementation_type;
-#endif
-
-  /// The native socket type.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined native_handle_type;
-#else
-  typedef typename service_impl_type::native_handle_type native_handle_type;
-#endif
-
-  /// Construct a new sequenced packet socket service for the specified
-  /// io_context.
-  explicit seq_packet_socket_service(asio::io_context& io_context)
-    : asio::detail::service_base<
-        seq_packet_socket_service<Protocol> >(io_context),
-      service_impl_(io_context)
-  {
-  }
-
-  /// Construct a new sequenced packet socket implementation.
-  void construct(implementation_type& impl)
-  {
-    service_impl_.construct(impl);
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a new sequenced packet socket implementation.
-  void move_construct(implementation_type& impl,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_construct(impl, other_impl);
-  }
-
-  /// Move-assign from another sequenced packet socket implementation.
-  void move_assign(implementation_type& impl,
-      seq_packet_socket_service& other_service,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_assign(impl, other_service.service_impl_, other_impl);
-  }
-
-  // All socket services have access to each other's implementations.
-  template <typename Protocol1> friend class seq_packet_socket_service;
-
-  /// Move-construct a new sequenced packet socket implementation from another
-  /// protocol type.
-  template <typename Protocol1>
-  void converting_move_construct(implementation_type& impl,
-      seq_packet_socket_service<Protocol1>& other_service,
-      typename seq_packet_socket_service<
-        Protocol1>::implementation_type& other_impl,
-      typename enable_if<is_convertible<
-        Protocol1, Protocol>::value>::type* = 0)
-  {
-    service_impl_.template converting_move_construct<Protocol1>(
-        impl, other_service.service_impl_, other_impl);
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-  /// Destroy a sequenced packet socket implementation.
-  void destroy(implementation_type& impl)
-  {
-    service_impl_.destroy(impl);
-  }
-
-  /// Open a sequenced packet socket.
-  ASIO_SYNC_OP_VOID open(implementation_type& impl,
-      const protocol_type& protocol, asio::error_code& ec)
-  {
-    if (protocol.type() == ASIO_OS_DEF(SOCK_SEQPACKET))
-      service_impl_.open(impl, protocol, ec);
-    else
-      ec = asio::error::invalid_argument;
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Assign an existing native socket to a sequenced packet socket.
-  ASIO_SYNC_OP_VOID assign(implementation_type& impl,
-      const protocol_type& protocol, const native_handle_type& native_socket,
-      asio::error_code& ec)
-  {
-    service_impl_.assign(impl, protocol, native_socket, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the socket is open.
-  bool is_open(const implementation_type& impl) const
-  {
-    return service_impl_.is_open(impl);
-  }
-
-  /// Close a sequenced packet socket implementation.
-  ASIO_SYNC_OP_VOID close(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.close(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Release ownership of the underlying socket.
-  native_handle_type release(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    return service_impl_.release(impl, ec);
-  }
-
-  /// Get the native socket implementation.
-  native_handle_type native_handle(implementation_type& impl)
-  {
-    return service_impl_.native_handle(impl);
-  }
-
-  /// Cancel all asynchronous operations associated with the socket.
-  ASIO_SYNC_OP_VOID cancel(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.cancel(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the socket is at the out-of-band data mark.
-  bool at_mark(const implementation_type& impl,
-      asio::error_code& ec) const
-  {
-    return service_impl_.at_mark(impl, ec);
-  }
-
-  /// Determine the number of bytes available for reading.
-  std::size_t available(const implementation_type& impl,
-      asio::error_code& ec) const
-  {
-    return service_impl_.available(impl, ec);
-  }
-
-  /// Bind the sequenced packet socket to the specified local endpoint.
-  ASIO_SYNC_OP_VOID bind(implementation_type& impl,
-      const endpoint_type& endpoint, asio::error_code& ec)
-  {
-    service_impl_.bind(impl, endpoint, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Connect the sequenced packet socket to the specified endpoint.
-  ASIO_SYNC_OP_VOID connect(implementation_type& impl,
-      const endpoint_type& peer_endpoint, asio::error_code& ec)
-  {
-    service_impl_.connect(impl, peer_endpoint, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Start an asynchronous connect.
-  template <typename ConnectHandler>
-  ASIO_INITFN_RESULT_TYPE(ConnectHandler,
-      void (asio::error_code))
-  async_connect(implementation_type& impl,
-      const endpoint_type& peer_endpoint,
-      ASIO_MOVE_ARG(ConnectHandler) handler)
-  {
-    async_completion<ConnectHandler,
-      void (asio::error_code)> init(handler);
-
-    service_impl_.async_connect(impl, peer_endpoint, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Set a socket option.
-  template <typename SettableSocketOption>
-  ASIO_SYNC_OP_VOID set_option(implementation_type& impl,
-      const SettableSocketOption& option, asio::error_code& ec)
-  {
-    service_impl_.set_option(impl, option, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get a socket option.
-  template <typename GettableSocketOption>
-  ASIO_SYNC_OP_VOID get_option(const implementation_type& impl,
-      GettableSocketOption& option, asio::error_code& ec) const
-  {
-    service_impl_.get_option(impl, option, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Perform an IO control command on the socket.
-  template <typename IoControlCommand>
-  ASIO_SYNC_OP_VOID io_control(implementation_type& impl,
-      IoControlCommand& command, asio::error_code& ec)
-  {
-    service_impl_.io_control(impl, command, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Gets the non-blocking mode of the socket.
-  bool non_blocking(const implementation_type& impl) const
-  {
-    return service_impl_.non_blocking(impl);
-  }
-
-  /// Sets the non-blocking mode of the socket.
-  ASIO_SYNC_OP_VOID non_blocking(implementation_type& impl,
-      bool mode, asio::error_code& ec)
-  {
-    service_impl_.non_blocking(impl, mode, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Gets the non-blocking mode of the native socket implementation.
-  bool native_non_blocking(const implementation_type& impl) const
-  {
-    return service_impl_.native_non_blocking(impl);
-  }
-
-  /// Sets the non-blocking mode of the native socket implementation.
-  ASIO_SYNC_OP_VOID native_non_blocking(implementation_type& impl,
-      bool mode, asio::error_code& ec)
-  {
-    service_impl_.native_non_blocking(impl, mode, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get the local endpoint.
-  endpoint_type local_endpoint(const implementation_type& impl,
-      asio::error_code& ec) const
-  {
-    return service_impl_.local_endpoint(impl, ec);
-  }
-
-  /// Get the remote endpoint.
-  endpoint_type remote_endpoint(const implementation_type& impl,
-      asio::error_code& ec) const
-  {
-    return service_impl_.remote_endpoint(impl, ec);
-  }
-
-  /// Disable sends or receives on the socket.
-  ASIO_SYNC_OP_VOID shutdown(implementation_type& impl,
-      socket_base::shutdown_type what, asio::error_code& ec)
-  {
-    service_impl_.shutdown(impl, what, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Wait for the socket to become ready to read, ready to write, or to have
-  /// pending error conditions.
-  ASIO_SYNC_OP_VOID wait(implementation_type& impl,
-      socket_base::wait_type w, asio::error_code& ec)
-  {
-    service_impl_.wait(impl, w, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Asynchronously wait for the socket to become ready to read, ready to
-  /// write, or to have pending error conditions.
-  template <typename WaitHandler>
-  ASIO_INITFN_RESULT_TYPE(WaitHandler,
-      void (asio::error_code))
-  async_wait(implementation_type& impl, socket_base::wait_type w,
-      ASIO_MOVE_ARG(WaitHandler) handler)
-  {
-    async_completion<WaitHandler,
-      void (asio::error_code)> init(handler);
-
-    service_impl_.async_wait(impl, w, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Send the given data to the peer.
-  template <typename ConstBufferSequence>
-  std::size_t send(implementation_type& impl,
-      const ConstBufferSequence& buffers,
-      socket_base::message_flags flags, asio::error_code& ec)
-  {
-    return service_impl_.send(impl, buffers, flags, ec);
-  }
-
-  /// Start an asynchronous send.
-  template <typename ConstBufferSequence, typename WriteHandler>
-  ASIO_INITFN_RESULT_TYPE(WriteHandler,
-      void (asio::error_code, std::size_t))
-  async_send(implementation_type& impl,
-      const ConstBufferSequence& buffers,
-      socket_base::message_flags flags,
-      ASIO_MOVE_ARG(WriteHandler) handler)
-  {
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_send(impl, buffers, flags, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Receive some data from the peer.
-  template <typename MutableBufferSequence>
-  std::size_t receive(implementation_type& impl,
-      const MutableBufferSequence& buffers, socket_base::message_flags in_flags,
-      socket_base::message_flags& out_flags, asio::error_code& ec)
-  {
-    return service_impl_.receive_with_flags(impl,
-        buffers, in_flags, out_flags, ec);
-  }
-
-  /// Start an asynchronous receive.
-  template <typename MutableBufferSequence, typename ReadHandler>
-  ASIO_INITFN_RESULT_TYPE(ReadHandler,
-      void (asio::error_code, std::size_t))
-  async_receive(implementation_type& impl,
-      const MutableBufferSequence& buffers, socket_base::message_flags in_flags,
-      socket_base::message_flags& out_flags,
-      ASIO_MOVE_ARG(ReadHandler) handler)
-  {
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_receive_with_flags(impl,
-        buffers, in_flags, out_flags, init.completion_handler);
-
-    return init.result.get();
-  }
-
-private:
-  // Destroy all user-defined handler objects owned by the service.
-  void shutdown()
-  {
-    service_impl_.shutdown();
-  }
-
-  // The platform-specific implementation.
-  service_impl_type service_impl_;
-};
-
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_SEQ_PACKET_SOCKET_SERVICE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/serial_port.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/serial_port.hpp
index 317d9f0..4551f77 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/serial_port.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/serial_port.hpp
@@ -2,7 +2,7 @@
 // serial_port.hpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -21,748 +21,15 @@
 #if defined(ASIO_HAS_SERIAL_PORT) \
   || defined(GENERATING_DOCUMENTATION)
 
-#include <string>
-#include "asio/async_result.hpp"
-#include "asio/basic_io_object.hpp"
-#include "asio/detail/handler_type_requirements.hpp"
-#include "asio/detail/throw_error.hpp"
-#include "asio/error.hpp"
-#include "asio/io_context.hpp"
-#include "asio/serial_port_base.hpp"
-
-#if defined(ASIO_HAS_MOVE)
-# include <utility>
-#endif // defined(ASIO_HAS_MOVE)
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/basic_serial_port.hpp"
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-# if defined(ASIO_HAS_IOCP)
-#  include "asio/detail/win_iocp_serial_port_service.hpp"
-#  define ASIO_SVC_T detail::win_iocp_serial_port_service
-# else
-#  include "asio/detail/reactive_serial_port_service.hpp"
-#  define ASIO_SVC_T detail::reactive_serial_port_service
-# endif
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#include "asio/detail/push_options.hpp"
+#include "asio/basic_serial_port.hpp"
 
 namespace asio {
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-// Typedef for the typical usage of a serial port.
+/// Typedef for the typical usage of a serial port.
 typedef basic_serial_port<> serial_port;
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-/// Provides serial port functionality.
-/**
- * The serial_port class provides a wrapper over serial port functionality.
- *
- * @par Thread Safety
- * @e Distinct @e objects: Safe.@n
- * @e Shared @e objects: Unsafe.
- */
-class serial_port
-  : ASIO_SVC_ACCESS basic_io_object<ASIO_SVC_T>,
-    public serial_port_base
-{
-public:
-  /// The type of the executor associated with the object.
-  typedef io_context::executor_type executor_type;
-
-  /// The native representation of a serial port.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined native_handle_type;
-#else
-  typedef ASIO_SVC_T::native_handle_type native_handle_type;
-#endif
-
-  /// A basic_serial_port is always the lowest layer.
-  typedef serial_port lowest_layer_type;
-
-  /// Construct a serial_port without opening it.
-  /**
-   * This constructor creates a serial port without opening it.
-   *
-   * @param io_context The io_context object that the serial port will use to
-   * dispatch handlers for any asynchronous operations performed on the port.
-   */
-  explicit serial_port(asio::io_context& io_context)
-    : basic_io_object<ASIO_SVC_T>(io_context)
-  {
-  }
-
-  /// Construct and open a serial_port.
-  /**
-   * This constructor creates and opens a serial port for the specified device
-   * name.
-   *
-   * @param io_context The io_context object that the serial port will use to
-   * dispatch handlers for any asynchronous operations performed on the port.
-   *
-   * @param device The platform-specific device name for this serial
-   * port.
-   */
-  explicit serial_port(asio::io_context& io_context,
-      const char* device)
-    : basic_io_object<ASIO_SVC_T>(io_context)
-  {
-    asio::error_code ec;
-    this->get_service().open(this->get_implementation(), device, ec);
-    asio::detail::throw_error(ec, "open");
-  }
-
-  /// Construct and open a serial_port.
-  /**
-   * This constructor creates and opens a serial port for the specified device
-   * name.
-   *
-   * @param io_context The io_context object that the serial port will use to
-   * dispatch handlers for any asynchronous operations performed on the port.
-   *
-   * @param device The platform-specific device name for this serial
-   * port.
-   */
-  explicit serial_port(asio::io_context& io_context,
-      const std::string& device)
-    : basic_io_object<ASIO_SVC_T>(io_context)
-  {
-    asio::error_code ec;
-    this->get_service().open(this->get_implementation(), device, ec);
-    asio::detail::throw_error(ec, "open");
-  }
-
-  /// Construct a serial_port on an existing native serial port.
-  /**
-   * This constructor creates a serial port object to hold an existing native
-   * serial port.
-   *
-   * @param io_context The io_context object that the serial port will use to
-   * dispatch handlers for any asynchronous operations performed on the port.
-   *
-   * @param native_serial_port A native serial port.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  serial_port(asio::io_context& io_context,
-      const native_handle_type& native_serial_port)
-    : basic_io_object<ASIO_SVC_T>(io_context)
-  {
-    asio::error_code ec;
-    this->get_service().assign(this->get_implementation(),
-        native_serial_port, ec);
-    asio::detail::throw_error(ec, "assign");
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a serial_port from another.
-  /**
-   * This constructor moves a serial port from one object to another.
-   *
-   * @param other The other serial_port object from which the move will
-   * occur.
-   *
-   * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c serial_port(io_context&) constructor.
-   */
-  serial_port(serial_port&& other)
-    : basic_io_object<ASIO_SVC_T>(std::move(other))
-  {
-  }
-
-  /// Move-assign a serial_port from another.
-  /**
-   * This assignment operator moves a serial port from one object to another.
-   *
-   * @param other The other serial_port object from which the move will
-   * occur.
-   *
-   * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c serial_port(io_context&) constructor.
-   */
-  serial_port& operator=(serial_port&& other)
-  {
-    basic_io_object<ASIO_SVC_T>::operator=(std::move(other));
-    return *this;
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-  /// Destroys the serial port.
-  /**
-   * This function destroys the serial port, cancelling any outstanding
-   * asynchronous wait operations associated with the serial port as if by
-   * calling @c cancel.
-   */
-  ~serial_port()
-  {
-  }
-
-#if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_context()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_context();
-  }
-
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_service()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_service();
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
-  /// Get the executor associated with the object.
-  executor_type get_executor() ASIO_NOEXCEPT
-  {
-    return basic_io_object<ASIO_SVC_T>::get_executor();
-  }
-
-  /// Get a reference to the lowest layer.
-  /**
-   * This function returns a reference to the lowest layer in a stack of
-   * layers. Since a serial_port cannot contain any further layers, it simply
-   * returns a reference to itself.
-   *
-   * @return A reference to the lowest layer in the stack of layers. Ownership
-   * is not transferred to the caller.
-   */
-  lowest_layer_type& lowest_layer()
-  {
-    return *this;
-  }
-
-  /// Get a const reference to the lowest layer.
-  /**
-   * This function returns a const reference to the lowest layer in a stack of
-   * layers. Since a serial_port cannot contain any further layers, it simply
-   * returns a reference to itself.
-   *
-   * @return A const reference to the lowest layer in the stack of layers.
-   * Ownership is not transferred to the caller.
-   */
-  const lowest_layer_type& lowest_layer() const
-  {
-    return *this;
-  }
-
-  /// Open the serial port using the specified device name.
-  /**
-   * This function opens the serial port for the specified device name.
-   *
-   * @param device The platform-specific device name.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void open(const std::string& device)
-  {
-    asio::error_code ec;
-    this->get_service().open(this->get_implementation(), device, ec);
-    asio::detail::throw_error(ec, "open");
-  }
-
-  /// Open the serial port using the specified device name.
-  /**
-   * This function opens the serial port using the given platform-specific
-   * device name.
-   *
-   * @param device The platform-specific device name.
-   *
-   * @param ec Set the indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID open(const std::string& device,
-      asio::error_code& ec)
-  {
-    this->get_service().open(this->get_implementation(), device, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Assign an existing native serial port to the serial port.
-  /*
-   * This function opens the serial port to hold an existing native serial port.
-   *
-   * @param native_serial_port A native serial port.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void assign(const native_handle_type& native_serial_port)
-  {
-    asio::error_code ec;
-    this->get_service().assign(this->get_implementation(),
-        native_serial_port, ec);
-    asio::detail::throw_error(ec, "assign");
-  }
-
-  /// Assign an existing native serial port to the serial port.
-  /*
-   * This function opens the serial port to hold an existing native serial port.
-   *
-   * @param native_serial_port A native serial port.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID assign(const native_handle_type& native_serial_port,
-      asio::error_code& ec)
-  {
-    this->get_service().assign(this->get_implementation(),
-        native_serial_port, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the serial port is open.
-  bool is_open() const
-  {
-    return this->get_service().is_open(this->get_implementation());
-  }
-
-  /// Close the serial port.
-  /**
-   * This function is used to close the serial port. Any asynchronous read or
-   * write operations will be cancelled immediately, and will complete with the
-   * asio::error::operation_aborted error.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void close()
-  {
-    asio::error_code ec;
-    this->get_service().close(this->get_implementation(), ec);
-    asio::detail::throw_error(ec, "close");
-  }
-
-  /// Close the serial port.
-  /**
-   * This function is used to close the serial port. Any asynchronous read or
-   * write operations will be cancelled immediately, and will complete with the
-   * asio::error::operation_aborted error.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID close(asio::error_code& ec)
-  {
-    this->get_service().close(this->get_implementation(), ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get the native serial port representation.
-  /**
-   * This function may be used to obtain the underlying representation of the
-   * serial port. This is intended to allow access to native serial port
-   * functionality that is not otherwise provided.
-   */
-  native_handle_type native_handle()
-  {
-    return this->get_service().native_handle(this->get_implementation());
-  }
-
-  /// Cancel all asynchronous operations associated with the serial port.
-  /**
-   * This function causes all outstanding asynchronous read or write operations
-   * to finish immediately, and the handlers for cancelled operations will be
-   * passed the asio::error::operation_aborted error.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void cancel()
-  {
-    asio::error_code ec;
-    this->get_service().cancel(this->get_implementation(), ec);
-    asio::detail::throw_error(ec, "cancel");
-  }
-
-  /// Cancel all asynchronous operations associated with the serial port.
-  /**
-   * This function causes all outstanding asynchronous read or write operations
-   * to finish immediately, and the handlers for cancelled operations will be
-   * passed the asio::error::operation_aborted error.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID cancel(asio::error_code& ec)
-  {
-    this->get_service().cancel(this->get_implementation(), ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Send a break sequence to the serial port.
-  /**
-   * This function causes a break sequence of platform-specific duration to be
-   * sent out the serial port.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void send_break()
-  {
-    asio::error_code ec;
-    this->get_service().send_break(this->get_implementation(), ec);
-    asio::detail::throw_error(ec, "send_break");
-  }
-
-  /// Send a break sequence to the serial port.
-  /**
-   * This function causes a break sequence of platform-specific duration to be
-   * sent out the serial port.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID send_break(asio::error_code& ec)
-  {
-    this->get_service().send_break(this->get_implementation(), ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Set an option on the serial port.
-  /**
-   * This function is used to set an option on the serial port.
-   *
-   * @param option The option value to be set on the serial port.
-   *
-   * @throws asio::system_error Thrown on failure.
-   *
-   * @sa SettableSerialPortOption @n
-   * asio::serial_port_base::baud_rate @n
-   * asio::serial_port_base::flow_control @n
-   * asio::serial_port_base::parity @n
-   * asio::serial_port_base::stop_bits @n
-   * asio::serial_port_base::character_size
-   */
-  template <typename SettableSerialPortOption>
-  void set_option(const SettableSerialPortOption& option)
-  {
-    asio::error_code ec;
-    this->get_service().set_option(this->get_implementation(), option, ec);
-    asio::detail::throw_error(ec, "set_option");
-  }
-
-  /// Set an option on the serial port.
-  /**
-   * This function is used to set an option on the serial port.
-   *
-   * @param option The option value to be set on the serial port.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   *
-   * @sa SettableSerialPortOption @n
-   * asio::serial_port_base::baud_rate @n
-   * asio::serial_port_base::flow_control @n
-   * asio::serial_port_base::parity @n
-   * asio::serial_port_base::stop_bits @n
-   * asio::serial_port_base::character_size
-   */
-  template <typename SettableSerialPortOption>
-  ASIO_SYNC_OP_VOID set_option(const SettableSerialPortOption& option,
-      asio::error_code& ec)
-  {
-    this->get_service().set_option(this->get_implementation(), option, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get an option from the serial port.
-  /**
-   * This function is used to get the current value of an option on the serial
-   * port.
-   *
-   * @param option The option value to be obtained from the serial port.
-   *
-   * @throws asio::system_error Thrown on failure.
-   *
-   * @sa GettableSerialPortOption @n
-   * asio::serial_port_base::baud_rate @n
-   * asio::serial_port_base::flow_control @n
-   * asio::serial_port_base::parity @n
-   * asio::serial_port_base::stop_bits @n
-   * asio::serial_port_base::character_size
-   */
-  template <typename GettableSerialPortOption>
-  void get_option(GettableSerialPortOption& option)
-  {
-    asio::error_code ec;
-    this->get_service().get_option(this->get_implementation(), option, ec);
-    asio::detail::throw_error(ec, "get_option");
-  }
-
-  /// Get an option from the serial port.
-  /**
-   * This function is used to get the current value of an option on the serial
-   * port.
-   *
-   * @param option The option value to be obtained from the serial port.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   *
-   * @sa GettableSerialPortOption @n
-   * asio::serial_port_base::baud_rate @n
-   * asio::serial_port_base::flow_control @n
-   * asio::serial_port_base::parity @n
-   * asio::serial_port_base::stop_bits @n
-   * asio::serial_port_base::character_size
-   */
-  template <typename GettableSerialPortOption>
-  ASIO_SYNC_OP_VOID get_option(GettableSerialPortOption& option,
-      asio::error_code& ec)
-  {
-    this->get_service().get_option(this->get_implementation(), option, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Write some data to the serial port.
-  /**
-   * This function is used to write data to the serial port. The function call
-   * will block until one or more bytes of the data has been written
-   * successfully, or until an error occurs.
-   *
-   * @param buffers One or more data buffers to be written to the serial port.
-   *
-   * @returns The number of bytes written.
-   *
-   * @throws asio::system_error Thrown on failure. An error code of
-   * asio::error::eof indicates that the connection was closed by the
-   * peer.
-   *
-   * @note The write_some operation may not transmit all of the data to the
-   * peer. Consider using the @ref write function if you need to ensure that
-   * all data is written before the blocking operation completes.
-   *
-   * @par Example
-   * To write a single data buffer use the @ref buffer function as follows:
-   * @code
-   * serial_port.write_some(asio::buffer(data, size));
-   * @endcode
-   * See the @ref buffer documentation for information on writing multiple
-   * buffers in one go, and how to use it with arrays, boost::array or
-   * std::vector.
-   */
-  template <typename ConstBufferSequence>
-  std::size_t write_some(const ConstBufferSequence& buffers)
-  {
-    asio::error_code ec;
-    std::size_t s = this->get_service().write_some(
-        this->get_implementation(), buffers, ec);
-    asio::detail::throw_error(ec, "write_some");
-    return s;
-  }
-
-  /// Write some data to the serial port.
-  /**
-   * This function is used to write data to the serial port. The function call
-   * will block until one or more bytes of the data has been written
-   * successfully, or until an error occurs.
-   *
-   * @param buffers One or more data buffers to be written to the serial port.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   *
-   * @returns The number of bytes written. Returns 0 if an error occurred.
-   *
-   * @note The write_some operation may not transmit all of the data to the
-   * peer. Consider using the @ref write function if you need to ensure that
-   * all data is written before the blocking operation completes.
-   */
-  template <typename ConstBufferSequence>
-  std::size_t write_some(const ConstBufferSequence& buffers,
-      asio::error_code& ec)
-  {
-    return this->get_service().write_some(
-        this->get_implementation(), buffers, ec);
-  }
-
-  /// Start an asynchronous write.
-  /**
-   * This function is used to asynchronously write data to the serial port.
-   * The function call always returns immediately.
-   *
-   * @param buffers One or more data buffers to be written to the serial port.
-   * Although the buffers object may be copied as necessary, ownership of the
-   * underlying memory blocks is retained by the caller, which must guarantee
-   * that they remain valid until the handler is called.
-   *
-   * @param handler The handler to be called when the write operation completes.
-   * Copies will be made of the handler as required. The function signature of
-   * the handler must be:
-   * @code void handler(
-   *   const asio::error_code& error, // Result of operation.
-   *   std::size_t bytes_transferred           // Number of bytes written.
-   * ); @endcode
-   * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
-   *
-   * @note The write operation may not transmit all of the data to the peer.
-   * Consider using the @ref async_write function if you need to ensure that all
-   * data is written before the asynchronous operation completes.
-   *
-   * @par Example
-   * To write a single data buffer use the @ref buffer function as follows:
-   * @code
-   * serial_port.async_write_some(asio::buffer(data, size), handler);
-   * @endcode
-   * See the @ref buffer documentation for information on writing multiple
-   * buffers in one go, and how to use it with arrays, boost::array or
-   * std::vector.
-   */
-  template <typename ConstBufferSequence, typename WriteHandler>
-  ASIO_INITFN_RESULT_TYPE(WriteHandler,
-      void (asio::error_code, std::size_t))
-  async_write_some(const ConstBufferSequence& buffers,
-      ASIO_MOVE_ARG(WriteHandler) handler)
-  {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_write_some(
-        this->get_implementation(), buffers, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Read some data from the serial port.
-  /**
-   * This function is used to read data from the serial port. The function
-   * call will block until one or more bytes of data has been read successfully,
-   * or until an error occurs.
-   *
-   * @param buffers One or more buffers into which the data will be read.
-   *
-   * @returns The number of bytes read.
-   *
-   * @throws asio::system_error Thrown on failure. An error code of
-   * asio::error::eof indicates that the connection was closed by the
-   * peer.
-   *
-   * @note The read_some operation may not read all of the requested number of
-   * bytes. Consider using the @ref read function if you need to ensure that
-   * the requested amount of data is read before the blocking operation
-   * completes.
-   *
-   * @par Example
-   * To read into a single data buffer use the @ref buffer function as follows:
-   * @code
-   * serial_port.read_some(asio::buffer(data, size));
-   * @endcode
-   * See the @ref buffer documentation for information on reading into multiple
-   * buffers in one go, and how to use it with arrays, boost::array or
-   * std::vector.
-   */
-  template <typename MutableBufferSequence>
-  std::size_t read_some(const MutableBufferSequence& buffers)
-  {
-    asio::error_code ec;
-    std::size_t s = this->get_service().read_some(
-        this->get_implementation(), buffers, ec);
-    asio::detail::throw_error(ec, "read_some");
-    return s;
-  }
-
-  /// Read some data from the serial port.
-  /**
-   * This function is used to read data from the serial port. The function
-   * call will block until one or more bytes of data has been read successfully,
-   * or until an error occurs.
-   *
-   * @param buffers One or more buffers into which the data will be read.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   *
-   * @returns The number of bytes read. Returns 0 if an error occurred.
-   *
-   * @note The read_some operation may not read all of the requested number of
-   * bytes. Consider using the @ref read function if you need to ensure that
-   * the requested amount of data is read before the blocking operation
-   * completes.
-   */
-  template <typename MutableBufferSequence>
-  std::size_t read_some(const MutableBufferSequence& buffers,
-      asio::error_code& ec)
-  {
-    return this->get_service().read_some(
-        this->get_implementation(), buffers, ec);
-  }
-
-  /// Start an asynchronous read.
-  /**
-   * This function is used to asynchronously read data from the serial port.
-   * The function call always returns immediately.
-   *
-   * @param buffers One or more buffers into which the data will be read.
-   * Although the buffers object may be copied as necessary, ownership of the
-   * underlying memory blocks is retained by the caller, which must guarantee
-   * that they remain valid until the handler is called.
-   *
-   * @param handler The handler to be called when the read operation completes.
-   * Copies will be made of the handler as required. The function signature of
-   * the handler must be:
-   * @code void handler(
-   *   const asio::error_code& error, // Result of operation.
-   *   std::size_t bytes_transferred           // Number of bytes read.
-   * ); @endcode
-   * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
-   *
-   * @note The read operation may not read all of the requested number of bytes.
-   * Consider using the @ref async_read function if you need to ensure that the
-   * requested amount of data is read before the asynchronous operation
-   * completes.
-   *
-   * @par Example
-   * To read into a single data buffer use the @ref buffer function as follows:
-   * @code
-   * serial_port.async_read_some(asio::buffer(data, size), handler);
-   * @endcode
-   * See the @ref buffer documentation for information on reading into multiple
-   * buffers in one go, and how to use it with arrays, boost::array or
-   * std::vector.
-   */
-  template <typename MutableBufferSequence, typename ReadHandler>
-  ASIO_INITFN_RESULT_TYPE(ReadHandler,
-      void (asio::error_code, std::size_t))
-  async_read_some(const MutableBufferSequence& buffers,
-      ASIO_MOVE_ARG(ReadHandler) handler)
-  {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_read_some(
-        this->get_implementation(), buffers, init.completion_handler);
-
-    return init.result.get();
-  }
-};
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
 
 } // namespace asio
 
-#include "asio/detail/pop_options.hpp"
-
-#if !defined(ASIO_ENABLE_OLD_SERVICES)
-# undef ASIO_SVC_T
-#endif // !defined(ASIO_ENABLE_OLD_SERVICES)
-
 #endif // defined(ASIO_HAS_SERIAL_PORT)
        //   || defined(GENERATING_DOCUMENTATION)
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/serial_port_base.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/serial_port_base.hpp
index 900be1e..f0a9ca6 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/serial_port_base.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/serial_port_base.hpp
@@ -2,7 +2,7 @@
 // serial_port_base.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/serial_port_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/serial_port_service.hpp
deleted file mode 100644
index 6237ea7..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/serial_port_service.hpp
+++ /dev/null
@@ -1,249 +0,0 @@
-//
-// serial_port_service.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef ASIO_SERIAL_PORT_SERVICE_HPP
-#define ASIO_SERIAL_PORT_SERVICE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#if defined(ASIO_HAS_SERIAL_PORT) \
-  || defined(GENERATING_DOCUMENTATION)
-
-#include <cstddef>
-#include <string>
-#include "asio/async_result.hpp"
-#include "asio/detail/reactive_serial_port_service.hpp"
-#include "asio/detail/win_iocp_serial_port_service.hpp"
-#include "asio/error.hpp"
-#include "asio/io_context.hpp"
-#include "asio/serial_port_base.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-
-/// Default service implementation for a serial port.
-class serial_port_service
-#if defined(GENERATING_DOCUMENTATION)
-  : public asio::io_context::service
-#else
-  : public asio::detail::service_base<serial_port_service>
-#endif
-{
-public:
-#if defined(GENERATING_DOCUMENTATION)
-  /// The unique service identifier.
-  static asio::io_context::id id;
-#endif
-
-private:
-  // The type of the platform-specific implementation.
-#if defined(ASIO_HAS_IOCP)
-  typedef detail::win_iocp_serial_port_service service_impl_type;
-#else
-  typedef detail::reactive_serial_port_service service_impl_type;
-#endif
-
-public:
-  /// The type of a serial port implementation.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined implementation_type;
-#else
-  typedef service_impl_type::implementation_type implementation_type;
-#endif
-
-  /// The native handle type.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined native_handle_type;
-#else
-  typedef service_impl_type::native_handle_type native_handle_type;
-#endif
-
-  /// Construct a new serial port service for the specified io_context.
-  explicit serial_port_service(asio::io_context& io_context)
-    : asio::detail::service_base<serial_port_service>(io_context),
-      service_impl_(io_context)
-  {
-  }
-
-  /// Construct a new serial port implementation.
-  void construct(implementation_type& impl)
-  {
-    service_impl_.construct(impl);
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a new serial port implementation.
-  void move_construct(implementation_type& impl,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_construct(impl, other_impl);
-  }
-
-  /// Move-assign from another serial port implementation.
-  void move_assign(implementation_type& impl,
-      serial_port_service& other_service,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_assign(impl, other_service.service_impl_, other_impl);
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-  /// Destroy a serial port implementation.
-  void destroy(implementation_type& impl)
-  {
-    service_impl_.destroy(impl);
-  }
-
-  /// Open a serial port.
-  ASIO_SYNC_OP_VOID open(implementation_type& impl,
-      const std::string& device, asio::error_code& ec)
-  {
-    service_impl_.open(impl, device, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Assign an existing native handle to a serial port.
-  ASIO_SYNC_OP_VOID assign(implementation_type& impl,
-      const native_handle_type& handle, asio::error_code& ec)
-  {
-    service_impl_.assign(impl, handle, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the handle is open.
-  bool is_open(const implementation_type& impl) const
-  {
-    return service_impl_.is_open(impl);
-  }
-
-  /// Close a serial port implementation.
-  ASIO_SYNC_OP_VOID close(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.close(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get the native handle implementation.
-  native_handle_type native_handle(implementation_type& impl)
-  {
-    return service_impl_.native_handle(impl);
-  }
-
-  /// Cancel all asynchronous operations associated with the handle.
-  ASIO_SYNC_OP_VOID cancel(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.cancel(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Set a serial port option.
-  template <typename SettableSerialPortOption>
-  ASIO_SYNC_OP_VOID set_option(implementation_type& impl,
-      const SettableSerialPortOption& option, asio::error_code& ec)
-  {
-    service_impl_.set_option(impl, option, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get a serial port option.
-  template <typename GettableSerialPortOption>
-  ASIO_SYNC_OP_VOID get_option(const implementation_type& impl,
-      GettableSerialPortOption& option, asio::error_code& ec) const
-  {
-    service_impl_.get_option(impl, option, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Send a break sequence to the serial port.
-  ASIO_SYNC_OP_VOID send_break(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.send_break(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Write the given data to the stream.
-  template <typename ConstBufferSequence>
-  std::size_t write_some(implementation_type& impl,
-      const ConstBufferSequence& buffers, asio::error_code& ec)
-  {
-    return service_impl_.write_some(impl, buffers, ec);
-  }
-
-  /// Start an asynchronous write.
-  template <typename ConstBufferSequence, typename WriteHandler>
-  ASIO_INITFN_RESULT_TYPE(WriteHandler,
-      void (asio::error_code, std::size_t))
-  async_write_some(implementation_type& impl,
-      const ConstBufferSequence& buffers,
-      ASIO_MOVE_ARG(WriteHandler) handler)
-  {
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_write_some(impl, buffers, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Read some data from the stream.
-  template <typename MutableBufferSequence>
-  std::size_t read_some(implementation_type& impl,
-      const MutableBufferSequence& buffers, asio::error_code& ec)
-  {
-    return service_impl_.read_some(impl, buffers, ec);
-  }
-
-  /// Start an asynchronous read.
-  template <typename MutableBufferSequence, typename ReadHandler>
-  ASIO_INITFN_RESULT_TYPE(ReadHandler,
-      void (asio::error_code, std::size_t))
-  async_read_some(implementation_type& impl,
-      const MutableBufferSequence& buffers,
-      ASIO_MOVE_ARG(ReadHandler) handler)
-  {
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_read_some(impl, buffers, init.completion_handler);
-
-    return init.result.get();
-  }
-
-private:
-  // Destroy all user-defined handler objects owned by the service.
-  void shutdown()
-  {
-    service_impl_.shutdown();
-  }
-
-  // The platform-specific implementation.
-  service_impl_type service_impl_;
-};
-
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_HAS_SERIAL_PORT)
-       //   || defined(GENERATING_DOCUMENTATION)
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_SERIAL_PORT_SERVICE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/signal_set.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/signal_set.hpp
index 016b294..6a27689 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/signal_set.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/signal_set.hpp
@@ -2,7 +2,7 @@
 // signal_set.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -16,431 +16,12 @@
 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
 
 #include "asio/detail/config.hpp"
-
-#include "asio/async_result.hpp"
-#include "asio/basic_io_object.hpp"
-#include "asio/detail/handler_type_requirements.hpp"
-#include "asio/detail/throw_error.hpp"
-#include "asio/error.hpp"
-#include "asio/io_context.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/basic_signal_set.hpp"
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/detail/signal_set_service.hpp"
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+#include "asio/basic_signal_set.hpp"
 
 namespace asio {
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-// Typedef for the typical usage of a signal set.
+/// Typedef for the typical usage of a signal set.
 typedef basic_signal_set<> signal_set;
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-/// Provides signal functionality.
-/**
- * The signal_set class provides the ability to perform an asynchronous wait
- * for one or more signals to occur.
- *
- * @par Thread Safety
- * @e Distinct @e objects: Safe.@n
- * @e Shared @e objects: Unsafe.
- *
- * @par Example
- * Performing an asynchronous wait:
- * @code
- * void handler(
- *     const asio::error_code& error,
- *     int signal_number)
- * {
- *   if (!error)
- *   {
- *     // A signal occurred.
- *   }
- * }
- *
- * ...
- *
- * // Construct a signal set registered for process termination.
- * asio::signal_set signals(io_context, SIGINT, SIGTERM);
- *
- * // Start an asynchronous wait for one of the signals to occur.
- * signals.async_wait(handler);
- * @endcode
- *
- * @par Queueing of signal notifications
- *
- * If a signal is registered with a signal_set, and the signal occurs when
- * there are no waiting handlers, then the signal notification is queued. The
- * next async_wait operation on that signal_set will dequeue the notification.
- * If multiple notifications are queued, subsequent async_wait operations
- * dequeue them one at a time. Signal notifications are dequeued in order of
- * ascending signal number.
- *
- * If a signal number is removed from a signal_set (using the @c remove or @c
- * erase member functions) then any queued notifications for that signal are
- * discarded.
- *
- * @par Multiple registration of signals
- *
- * The same signal number may be registered with different signal_set objects.
- * When the signal occurs, one handler is called for each signal_set object.
- *
- * Note that multiple registration only works for signals that are registered
- * using Asio. The application must not also register a signal handler using
- * functions such as @c signal() or @c sigaction().
- *
- * @par Signal masking on POSIX platforms
- *
- * POSIX allows signals to be blocked using functions such as @c sigprocmask()
- * and @c pthread_sigmask(). For signals to be delivered, programs must ensure
- * that any signals registered using signal_set objects are unblocked in at
- * least one thread.
- */
-class signal_set
-  : ASIO_SVC_ACCESS basic_io_object<detail::signal_set_service>
-{
-public:
-  /// The type of the executor associated with the object.
-  typedef io_context::executor_type executor_type;
-
-  /// Construct a signal set without adding any signals.
-  /**
-   * This constructor creates a signal set without registering for any signals.
-   *
-   * @param io_context The io_context object that the signal set will use to
-   * dispatch handlers for any asynchronous operations performed on the set.
-   */
-  explicit signal_set(asio::io_context& io_context)
-    : basic_io_object<detail::signal_set_service>(io_context)
-  {
-  }
-
-  /// Construct a signal set and add one signal.
-  /**
-   * This constructor creates a signal set and registers for one signal.
-   *
-   * @param io_context The io_context object that the signal set will use to
-   * dispatch handlers for any asynchronous operations performed on the set.
-   *
-   * @param signal_number_1 The signal number to be added.
-   *
-   * @note This constructor is equivalent to performing:
-   * @code asio::signal_set signals(io_context);
-   * signals.add(signal_number_1); @endcode
-   */
-  signal_set(asio::io_context& io_context, int signal_number_1)
-    : basic_io_object<detail::signal_set_service>(io_context)
-  {
-    asio::error_code ec;
-    this->get_service().add(this->get_implementation(), signal_number_1, ec);
-    asio::detail::throw_error(ec, "add");
-  }
-
-  /// Construct a signal set and add two signals.
-  /**
-   * This constructor creates a signal set and registers for two signals.
-   *
-   * @param io_context The io_context object that the signal set will use to
-   * dispatch handlers for any asynchronous operations performed on the set.
-   *
-   * @param signal_number_1 The first signal number to be added.
-   *
-   * @param signal_number_2 The second signal number to be added.
-   *
-   * @note This constructor is equivalent to performing:
-   * @code asio::signal_set signals(io_context);
-   * signals.add(signal_number_1);
-   * signals.add(signal_number_2); @endcode
-   */
-  signal_set(asio::io_context& io_context, int signal_number_1,
-      int signal_number_2)
-    : basic_io_object<detail::signal_set_service>(io_context)
-  {
-    asio::error_code ec;
-    this->get_service().add(this->get_implementation(), signal_number_1, ec);
-    asio::detail::throw_error(ec, "add");
-    this->get_service().add(this->get_implementation(), signal_number_2, ec);
-    asio::detail::throw_error(ec, "add");
-  }
-
-  /// Construct a signal set and add three signals.
-  /**
-   * This constructor creates a signal set and registers for three signals.
-   *
-   * @param io_context The io_context object that the signal set will use to
-   * dispatch handlers for any asynchronous operations performed on the set.
-   *
-   * @param signal_number_1 The first signal number to be added.
-   *
-   * @param signal_number_2 The second signal number to be added.
-   *
-   * @param signal_number_3 The third signal number to be added.
-   *
-   * @note This constructor is equivalent to performing:
-   * @code asio::signal_set signals(io_context);
-   * signals.add(signal_number_1);
-   * signals.add(signal_number_2);
-   * signals.add(signal_number_3); @endcode
-   */
-  signal_set(asio::io_context& io_context, int signal_number_1,
-      int signal_number_2, int signal_number_3)
-    : basic_io_object<detail::signal_set_service>(io_context)
-  {
-    asio::error_code ec;
-    this->get_service().add(this->get_implementation(), signal_number_1, ec);
-    asio::detail::throw_error(ec, "add");
-    this->get_service().add(this->get_implementation(), signal_number_2, ec);
-    asio::detail::throw_error(ec, "add");
-    this->get_service().add(this->get_implementation(), signal_number_3, ec);
-    asio::detail::throw_error(ec, "add");
-  }
-
-  /// Destroys the signal set.
-  /**
-   * This function destroys the signal set, cancelling any outstanding
-   * asynchronous wait operations associated with the signal set as if by
-   * calling @c cancel.
-   */
-  ~signal_set()
-  {
-  }
-
-#if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_context()
-  {
-    return basic_io_object<detail::signal_set_service>::get_io_context();
-  }
-
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_service()
-  {
-    return basic_io_object<detail::signal_set_service>::get_io_service();
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
-  /// Get the executor associated with the object.
-  executor_type get_executor() ASIO_NOEXCEPT
-  {
-    return basic_io_object<detail::signal_set_service>::get_executor();
-  }
-
-  /// Add a signal to a signal_set.
-  /**
-   * This function adds the specified signal to the set. It has no effect if the
-   * signal is already in the set.
-   *
-   * @param signal_number The signal to be added to the set.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void add(int signal_number)
-  {
-    asio::error_code ec;
-    this->get_service().add(this->get_implementation(), signal_number, ec);
-    asio::detail::throw_error(ec, "add");
-  }
-
-  /// Add a signal to a signal_set.
-  /**
-   * This function adds the specified signal to the set. It has no effect if the
-   * signal is already in the set.
-   *
-   * @param signal_number The signal to be added to the set.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID add(int signal_number,
-      asio::error_code& ec)
-  {
-    this->get_service().add(this->get_implementation(), signal_number, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Remove a signal from a signal_set.
-  /**
-   * This function removes the specified signal from the set. It has no effect
-   * if the signal is not in the set.
-   *
-   * @param signal_number The signal to be removed from the set.
-   *
-   * @throws asio::system_error Thrown on failure.
-   *
-   * @note Removes any notifications that have been queued for the specified
-   * signal number.
-   */
-  void remove(int signal_number)
-  {
-    asio::error_code ec;
-    this->get_service().remove(this->get_implementation(), signal_number, ec);
-    asio::detail::throw_error(ec, "remove");
-  }
-
-  /// Remove a signal from a signal_set.
-  /**
-   * This function removes the specified signal from the set. It has no effect
-   * if the signal is not in the set.
-   *
-   * @param signal_number The signal to be removed from the set.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   *
-   * @note Removes any notifications that have been queued for the specified
-   * signal number.
-   */
-  ASIO_SYNC_OP_VOID remove(int signal_number,
-      asio::error_code& ec)
-  {
-    this->get_service().remove(this->get_implementation(), signal_number, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Remove all signals from a signal_set.
-  /**
-   * This function removes all signals from the set. It has no effect if the set
-   * is already empty.
-   *
-   * @throws asio::system_error Thrown on failure.
-   *
-   * @note Removes all queued notifications.
-   */
-  void clear()
-  {
-    asio::error_code ec;
-    this->get_service().clear(this->get_implementation(), ec);
-    asio::detail::throw_error(ec, "clear");
-  }
-
-  /// Remove all signals from a signal_set.
-  /**
-   * This function removes all signals from the set. It has no effect if the set
-   * is already empty.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   *
-   * @note Removes all queued notifications.
-   */
-  ASIO_SYNC_OP_VOID clear(asio::error_code& ec)
-  {
-    this->get_service().clear(this->get_implementation(), ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Cancel all operations associated with the signal set.
-  /**
-   * This function forces the completion of any pending asynchronous wait
-   * operations against the signal set. The handler for each cancelled
-   * operation will be invoked with the asio::error::operation_aborted
-   * error code.
-   *
-   * Cancellation does not alter the set of registered signals.
-   *
-   * @throws asio::system_error Thrown on failure.
-   *
-   * @note If a registered signal occurred before cancel() is called, then the
-   * handlers for asynchronous wait operations will:
-   *
-   * @li have already been invoked; or
-   *
-   * @li have been queued for invocation in the near future.
-   *
-   * These handlers can no longer be cancelled, and therefore are passed an
-   * error code that indicates the successful completion of the wait operation.
-   */
-  void cancel()
-  {
-    asio::error_code ec;
-    this->get_service().cancel(this->get_implementation(), ec);
-    asio::detail::throw_error(ec, "cancel");
-  }
-
-  /// Cancel all operations associated with the signal set.
-  /**
-   * This function forces the completion of any pending asynchronous wait
-   * operations against the signal set. The handler for each cancelled
-   * operation will be invoked with the asio::error::operation_aborted
-   * error code.
-   *
-   * Cancellation does not alter the set of registered signals.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   *
-   * @note If a registered signal occurred before cancel() is called, then the
-   * handlers for asynchronous wait operations will:
-   *
-   * @li have already been invoked; or
-   *
-   * @li have been queued for invocation in the near future.
-   *
-   * These handlers can no longer be cancelled, and therefore are passed an
-   * error code that indicates the successful completion of the wait operation.
-   */
-  ASIO_SYNC_OP_VOID cancel(asio::error_code& ec)
-  {
-    this->get_service().cancel(this->get_implementation(), ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Start an asynchronous operation to wait for a signal to be delivered.
-  /**
-   * This function may be used to initiate an asynchronous wait against the
-   * signal set. It always returns immediately.
-   *
-   * For each call to async_wait(), the supplied handler will be called exactly
-   * once. The handler will be called when:
-   *
-   * @li One of the registered signals in the signal set occurs; or
-   *
-   * @li The signal set was cancelled, in which case the handler is passed the
-   * error code asio::error::operation_aborted.
-   *
-   * @param handler The handler to be called when the signal occurs. Copies
-   * will be made of the handler as required. The function signature of the
-   * handler must be:
-   * @code void handler(
-   *   const asio::error_code& error, // Result of operation.
-   *   int signal_number // Indicates which signal occurred.
-   * ); @endcode
-   * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
-   */
-  template <typename SignalHandler>
-  ASIO_INITFN_RESULT_TYPE(SignalHandler,
-      void (asio::error_code, int))
-  async_wait(ASIO_MOVE_ARG(SignalHandler) handler)
-  {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a SignalHandler.
-    ASIO_SIGNAL_HANDLER_CHECK(SignalHandler, handler) type_check;
-
-    async_completion<SignalHandler,
-      void (asio::error_code, int)> init(handler);
-
-    this->get_service().async_wait(this->get_implementation(),
-        init.completion_handler);
-
-    return init.result.get();
-  }
-};
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
 
 } // namespace asio
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/signal_set_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/signal_set_service.hpp
deleted file mode 100644
index 3c6382d..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/signal_set_service.hpp
+++ /dev/null
@@ -1,142 +0,0 @@
-//
-// signal_set_service.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef ASIO_SIGNAL_SET_SERVICE_HPP
-#define ASIO_SIGNAL_SET_SERVICE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#include "asio/async_result.hpp"
-#include "asio/detail/signal_set_service.hpp"
-#include "asio/error.hpp"
-#include "asio/io_context.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-
-/// Default service implementation for a signal set.
-class signal_set_service
-#if defined(GENERATING_DOCUMENTATION)
-  : public asio::io_context::service
-#else
-  : public asio::detail::service_base<signal_set_service>
-#endif
-{
-public:
-#if defined(GENERATING_DOCUMENTATION)
-  /// The unique service identifier.
-  static asio::io_context::id id;
-#endif
-
-public:
-  /// The type of a signal set implementation.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined implementation_type;
-#else
-  typedef detail::signal_set_service::implementation_type implementation_type;
-#endif
-
-  /// Construct a new signal set service for the specified io_context.
-  explicit signal_set_service(asio::io_context& io_context)
-    : asio::detail::service_base<signal_set_service>(io_context),
-      service_impl_(io_context)
-  {
-  }
-
-  /// Construct a new signal set implementation.
-  void construct(implementation_type& impl)
-  {
-    service_impl_.construct(impl);
-  }
-
-  /// Destroy a signal set implementation.
-  void destroy(implementation_type& impl)
-  {
-    service_impl_.destroy(impl);
-  }
-
-  /// Add a signal to a signal_set.
-  ASIO_SYNC_OP_VOID add(implementation_type& impl,
-      int signal_number, asio::error_code& ec)
-  {
-    service_impl_.add(impl, signal_number, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Remove a signal to a signal_set.
-  ASIO_SYNC_OP_VOID remove(implementation_type& impl,
-      int signal_number, asio::error_code& ec)
-  {
-    service_impl_.remove(impl, signal_number, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Remove all signals from a signal_set.
-  ASIO_SYNC_OP_VOID clear(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.clear(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Cancel all operations associated with the signal set.
-  ASIO_SYNC_OP_VOID cancel(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.cancel(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  // Start an asynchronous operation to wait for a signal to be delivered.
-  template <typename SignalHandler>
-  ASIO_INITFN_RESULT_TYPE(SignalHandler,
-      void (asio::error_code, int))
-  async_wait(implementation_type& impl,
-      ASIO_MOVE_ARG(SignalHandler) handler)
-  {
-    async_completion<SignalHandler,
-      void (asio::error_code, int)> init(handler);
-
-    service_impl_.async_wait(impl, init.completion_handler);
-
-    return init.result.get();
-  }
-
-private:
-  // Destroy all user-defined handler objects owned by the service.
-  void shutdown()
-  {
-    service_impl_.shutdown();
-  }
-
-  // Perform any fork-related housekeeping.
-  void notify_fork(asio::io_context::fork_event event)
-  {
-    service_impl_.notify_fork(event);
-  }
-
-  // The platform-specific implementation.
-  detail::signal_set_service service_impl_;
-};
-
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_SIGNAL_SET_SERVICE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/socket_acceptor_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/socket_acceptor_service.hpp
deleted file mode 100644
index 430ecaa..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/socket_acceptor_service.hpp
+++ /dev/null
@@ -1,372 +0,0 @@
-//
-// socket_acceptor_service.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef ASIO_SOCKET_ACCEPTOR_SERVICE_HPP
-#define ASIO_SOCKET_ACCEPTOR_SERVICE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#include "asio/basic_socket.hpp"
-#include "asio/detail/type_traits.hpp"
-#include "asio/error.hpp"
-#include "asio/io_context.hpp"
-
-#if defined(ASIO_WINDOWS_RUNTIME)
-# include "asio/detail/null_socket_service.hpp"
-#elif defined(ASIO_HAS_IOCP)
-# include "asio/detail/win_iocp_socket_service.hpp"
-#else
-# include "asio/detail/reactive_socket_service.hpp"
-#endif
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-
-/// Default service implementation for a socket acceptor.
-template <typename Protocol>
-class socket_acceptor_service
-#if defined(GENERATING_DOCUMENTATION)
-  : public asio::io_context::service
-#else
-  : public asio::detail::service_base<socket_acceptor_service<Protocol> >
-#endif
-{
-public:
-#if defined(GENERATING_DOCUMENTATION)
-  /// The unique service identifier.
-  static asio::io_context::id id;
-#endif
-
-  /// The protocol type.
-  typedef Protocol protocol_type;
-
-  /// The endpoint type.
-  typedef typename protocol_type::endpoint endpoint_type;
-
-private:
-  // The type of the platform-specific implementation.
-#if defined(ASIO_WINDOWS_RUNTIME)
-  typedef detail::null_socket_service<Protocol> service_impl_type;
-#elif defined(ASIO_HAS_IOCP)
-  typedef detail::win_iocp_socket_service<Protocol> service_impl_type;
-#else
-  typedef detail::reactive_socket_service<Protocol> service_impl_type;
-#endif
-
-public:
-  /// The native type of the socket acceptor.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined implementation_type;
-#else
-  typedef typename service_impl_type::implementation_type implementation_type;
-#endif
-
-  /// The native acceptor type.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined native_handle_type;
-#else
-  typedef typename service_impl_type::native_handle_type native_handle_type;
-#endif
-
-  /// Construct a new socket acceptor service for the specified io_context.
-  explicit socket_acceptor_service(asio::io_context& io_context)
-    : asio::detail::service_base<
-        socket_acceptor_service<Protocol> >(io_context),
-      service_impl_(io_context)
-  {
-  }
-
-  /// Construct a new socket acceptor implementation.
-  void construct(implementation_type& impl)
-  {
-    service_impl_.construct(impl);
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a new socket acceptor implementation.
-  void move_construct(implementation_type& impl,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_construct(impl, other_impl);
-  }
-
-  /// Move-assign from another socket acceptor implementation.
-  void move_assign(implementation_type& impl,
-      socket_acceptor_service& other_service,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_assign(impl, other_service.service_impl_, other_impl);
-  }
-
-  // All acceptor services have access to each other's implementations.
-  template <typename Protocol1> friend class socket_acceptor_service;
-
-  /// Move-construct a new socket acceptor implementation from another protocol
-  /// type.
-  template <typename Protocol1>
-  void converting_move_construct(implementation_type& impl,
-      socket_acceptor_service<Protocol1>& other_service,
-      typename socket_acceptor_service<
-        Protocol1>::implementation_type& other_impl,
-      typename enable_if<is_convertible<
-        Protocol1, Protocol>::value>::type* = 0)
-  {
-    service_impl_.template converting_move_construct<Protocol1>(
-        impl, other_service.service_impl_, other_impl);
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-  /// Destroy a socket acceptor implementation.
-  void destroy(implementation_type& impl)
-  {
-    service_impl_.destroy(impl);
-  }
-
-  /// Open a new socket acceptor implementation.
-  ASIO_SYNC_OP_VOID open(implementation_type& impl,
-      const protocol_type& protocol, asio::error_code& ec)
-  {
-    service_impl_.open(impl, protocol, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Assign an existing native acceptor to a socket acceptor.
-  ASIO_SYNC_OP_VOID assign(implementation_type& impl,
-      const protocol_type& protocol, const native_handle_type& native_acceptor,
-      asio::error_code& ec)
-  {
-    service_impl_.assign(impl, protocol, native_acceptor, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the acceptor is open.
-  bool is_open(const implementation_type& impl) const
-  {
-    return service_impl_.is_open(impl);
-  }
-
-  /// Cancel all asynchronous operations associated with the acceptor.
-  ASIO_SYNC_OP_VOID cancel(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.cancel(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Bind the socket acceptor to the specified local endpoint.
-  ASIO_SYNC_OP_VOID bind(implementation_type& impl,
-      const endpoint_type& endpoint, asio::error_code& ec)
-  {
-    service_impl_.bind(impl, endpoint, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Place the socket acceptor into the state where it will listen for new
-  /// connections.
-  ASIO_SYNC_OP_VOID listen(implementation_type& impl, int backlog,
-      asio::error_code& ec)
-  {
-    service_impl_.listen(impl, backlog, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Close a socket acceptor implementation.
-  ASIO_SYNC_OP_VOID close(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.close(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Release ownership of the underlying acceptor.
-  native_handle_type release(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    return service_impl_.release(impl, ec);
-  }
-
-  /// Get the native acceptor implementation.
-  native_handle_type native_handle(implementation_type& impl)
-  {
-    return service_impl_.native_handle(impl);
-  }
-
-  /// Set a socket option.
-  template <typename SettableSocketOption>
-  ASIO_SYNC_OP_VOID set_option(implementation_type& impl,
-      const SettableSocketOption& option, asio::error_code& ec)
-  {
-    service_impl_.set_option(impl, option, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get a socket option.
-  template <typename GettableSocketOption>
-  ASIO_SYNC_OP_VOID get_option(const implementation_type& impl,
-      GettableSocketOption& option, asio::error_code& ec) const
-  {
-    service_impl_.get_option(impl, option, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Perform an IO control command on the socket.
-  template <typename IoControlCommand>
-  ASIO_SYNC_OP_VOID io_control(implementation_type& impl,
-      IoControlCommand& command, asio::error_code& ec)
-  {
-    service_impl_.io_control(impl, command, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Gets the non-blocking mode of the acceptor.
-  bool non_blocking(const implementation_type& impl) const
-  {
-    return service_impl_.non_blocking(impl);
-  }
-
-  /// Sets the non-blocking mode of the acceptor.
-  ASIO_SYNC_OP_VOID non_blocking(implementation_type& impl,
-      bool mode, asio::error_code& ec)
-  {
-    service_impl_.non_blocking(impl, mode, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Gets the non-blocking mode of the native acceptor implementation.
-  bool native_non_blocking(const implementation_type& impl) const
-  {
-    return service_impl_.native_non_blocking(impl);
-  }
-
-  /// Sets the non-blocking mode of the native acceptor implementation.
-  ASIO_SYNC_OP_VOID native_non_blocking(implementation_type& impl,
-      bool mode, asio::error_code& ec)
-  {
-    service_impl_.native_non_blocking(impl, mode, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get the local endpoint.
-  endpoint_type local_endpoint(const implementation_type& impl,
-      asio::error_code& ec) const
-  {
-    return service_impl_.local_endpoint(impl, ec);
-  }
-
-  /// Wait for the acceptor to become ready to read, ready to write, or to have
-  /// pending error conditions.
-  ASIO_SYNC_OP_VOID wait(implementation_type& impl,
-      socket_base::wait_type w, asio::error_code& ec)
-  {
-    service_impl_.wait(impl, w, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Asynchronously wait for the acceptor to become ready to read, ready to
-  /// write, or to have pending error conditions.
-  template <typename WaitHandler>
-  ASIO_INITFN_RESULT_TYPE(WaitHandler,
-      void (asio::error_code))
-  async_wait(implementation_type& impl, socket_base::wait_type w,
-      ASIO_MOVE_ARG(WaitHandler) handler)
-  {
-    async_completion<WaitHandler,
-      void (asio::error_code)> init(handler);
-
-    service_impl_.async_wait(impl, w, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Accept a new connection.
-  template <typename Protocol1, typename SocketService>
-  ASIO_SYNC_OP_VOID accept(implementation_type& impl,
-      basic_socket<Protocol1, SocketService>& peer,
-      endpoint_type* peer_endpoint, asio::error_code& ec,
-      typename enable_if<is_convertible<Protocol, Protocol1>::value>::type* = 0)
-  {
-    service_impl_.accept(impl, peer, peer_endpoint, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-#if defined(ASIO_HAS_MOVE)
-  /// Accept a new connection.
-  typename Protocol::socket accept(implementation_type& impl,
-      io_context* peer_io_context, endpoint_type* peer_endpoint,
-      asio::error_code& ec)
-  {
-    return service_impl_.accept(impl, peer_io_context, peer_endpoint, ec);
-  }
-#endif // defined(ASIO_HAS_MOVE)
-
-  /// Start an asynchronous accept.
-  template <typename Protocol1, typename SocketService, typename AcceptHandler>
-  ASIO_INITFN_RESULT_TYPE(AcceptHandler,
-      void (asio::error_code))
-  async_accept(implementation_type& impl,
-      basic_socket<Protocol1, SocketService>& peer,
-      endpoint_type* peer_endpoint,
-      ASIO_MOVE_ARG(AcceptHandler) handler,
-      typename enable_if<is_convertible<Protocol, Protocol1>::value>::type* = 0)
-  {
-    async_completion<AcceptHandler,
-      void (asio::error_code)> init(handler);
-
-    service_impl_.async_accept(impl,
-        peer, peer_endpoint, init.completion_handler);
-
-    return init.result.get();
-  }
-
-#if defined(ASIO_HAS_MOVE)
-  /// Start an asynchronous accept.
-  template <typename MoveAcceptHandler>
-  ASIO_INITFN_RESULT_TYPE(MoveAcceptHandler,
-      void (asio::error_code, typename Protocol::socket))
-  async_accept(implementation_type& impl,
-      asio::io_context* peer_io_context, endpoint_type* peer_endpoint,
-      ASIO_MOVE_ARG(MoveAcceptHandler) handler)
-  {
-    async_completion<MoveAcceptHandler,
-      void (asio::error_code,
-        typename Protocol::socket)> init(handler);
-
-    service_impl_.async_accept(impl,
-        peer_io_context, peer_endpoint, init.completion_handler);
-
-    return init.result.get();
-  }
-#endif // defined(ASIO_HAS_MOVE)
-
-private:
-  // Destroy all user-defined handler objects owned by the service.
-  void shutdown()
-  {
-    service_impl_.shutdown();
-  }
-
-  // The platform-specific implementation.
-  service_impl_type service_impl_;
-};
-
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_SOCKET_ACCEPTOR_SERVICE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/socket_base.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/socket_base.hpp
index aa78b55..bf06c8c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/socket_base.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/socket_base.hpp
@@ -2,7 +2,7 @@
 // socket_base.hpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -98,7 +98,7 @@ public:
    * @par Examples
    * Setting the option:
    * @code
-   * asio::ip::udp::socket socket(io_context); 
+   * asio::ip::udp::socket socket(my_context);
    * ...
    * asio::socket_base::broadcast option(true);
    * socket.set_option(option);
@@ -107,7 +107,7 @@ public:
    * @par
    * Getting the current option value:
    * @code
-   * asio::ip::udp::socket socket(io_context); 
+   * asio::ip::udp::socket socket(my_context);
    * ...
    * asio::socket_base::broadcast option;
    * socket.get_option(option);
@@ -132,7 +132,7 @@ public:
    * @par Examples
    * Setting the option:
    * @code
-   * asio::ip::tcp::socket socket(io_context); 
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::socket_base::debug option(true);
    * socket.set_option(option);
@@ -141,7 +141,7 @@ public:
    * @par
    * Getting the current option value:
    * @code
-   * asio::ip::tcp::socket socket(io_context); 
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::socket_base::debug option;
    * socket.get_option(option);
@@ -165,7 +165,7 @@ public:
    * @par Examples
    * Setting the option:
    * @code
-   * asio::ip::udp::socket socket(io_context); 
+   * asio::ip::udp::socket socket(my_context);
    * ...
    * asio::socket_base::do_not_route option(true);
    * socket.set_option(option);
@@ -174,7 +174,7 @@ public:
    * @par
    * Getting the current option value:
    * @code
-   * asio::ip::udp::socket socket(io_context); 
+   * asio::ip::udp::socket socket(my_context);
    * ...
    * asio::socket_base::do_not_route option;
    * socket.get_option(option);
@@ -199,7 +199,7 @@ public:
    * @par Examples
    * Setting the option:
    * @code
-   * asio::ip::tcp::socket socket(io_context); 
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::socket_base::keep_alive option(true);
    * socket.set_option(option);
@@ -208,7 +208,7 @@ public:
    * @par
    * Getting the current option value:
    * @code
-   * asio::ip::tcp::socket socket(io_context); 
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::socket_base::keep_alive option;
    * socket.get_option(option);
@@ -232,7 +232,7 @@ public:
    * @par Examples
    * Setting the option:
    * @code
-   * asio::ip::tcp::socket socket(io_context); 
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::socket_base::send_buffer_size option(8192);
    * socket.set_option(option);
@@ -241,7 +241,7 @@ public:
    * @par
    * Getting the current option value:
    * @code
-   * asio::ip::tcp::socket socket(io_context); 
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::socket_base::send_buffer_size option;
    * socket.get_option(option);
@@ -266,7 +266,7 @@ public:
    * @par Examples
    * Setting the option:
    * @code
-   * asio::ip::tcp::socket socket(io_context); 
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::socket_base::send_low_watermark option(1024);
    * socket.set_option(option);
@@ -275,7 +275,7 @@ public:
    * @par
    * Getting the current option value:
    * @code
-   * asio::ip::tcp::socket socket(io_context); 
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::socket_base::send_low_watermark option;
    * socket.get_option(option);
@@ -300,7 +300,7 @@ public:
    * @par Examples
    * Setting the option:
    * @code
-   * asio::ip::tcp::socket socket(io_context); 
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::socket_base::receive_buffer_size option(8192);
    * socket.set_option(option);
@@ -309,7 +309,7 @@ public:
    * @par
    * Getting the current option value:
    * @code
-   * asio::ip::tcp::socket socket(io_context); 
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::socket_base::receive_buffer_size option;
    * socket.get_option(option);
@@ -334,7 +334,7 @@ public:
    * @par Examples
    * Setting the option:
    * @code
-   * asio::ip::tcp::socket socket(io_context); 
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::socket_base::receive_low_watermark option(1024);
    * socket.set_option(option);
@@ -343,7 +343,7 @@ public:
    * @par
    * Getting the current option value:
    * @code
-   * asio::ip::tcp::socket socket(io_context); 
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::socket_base::receive_low_watermark option;
    * socket.get_option(option);
@@ -369,7 +369,7 @@ public:
    * @par Examples
    * Setting the option:
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context); 
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * asio::socket_base::reuse_address option(true);
    * acceptor.set_option(option);
@@ -378,7 +378,7 @@ public:
    * @par
    * Getting the current option value:
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context); 
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * asio::socket_base::reuse_address option;
    * acceptor.get_option(option);
@@ -404,7 +404,7 @@ public:
    * @par Examples
    * Setting the option:
    * @code
-   * asio::ip::tcp::socket socket(io_context); 
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::socket_base::linger option(true, 30);
    * socket.set_option(option);
@@ -413,7 +413,7 @@ public:
    * @par
    * Getting the current option value:
    * @code
-   * asio::ip::tcp::socket socket(io_context); 
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::socket_base::linger option;
    * socket.get_option(option);
@@ -439,7 +439,7 @@ public:
    * @par Examples
    * Setting the option:
    * @code
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::socket_base::out_of_band_inline option(true);
    * socket.set_option(option);
@@ -448,7 +448,7 @@ public:
    * @par
    * Getting the current option value:
    * @code
-   * asio::ip::tcp::socket socket(io_context);
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::socket_base::out_of_band_inline option;
    * socket.get_option(option);
@@ -475,7 +475,7 @@ public:
    * @par Examples
    * Setting the option:
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context); 
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * asio::socket_base::enable_connection_aborted option(true);
    * acceptor.set_option(option);
@@ -484,7 +484,7 @@ public:
    * @par
    * Getting the current option value:
    * @code
-   * asio::ip::tcp::acceptor acceptor(io_context); 
+   * asio::ip::tcp::acceptor acceptor(my_context);
    * ...
    * asio::socket_base::enable_connection_aborted option;
    * acceptor.get_option(option);
@@ -510,7 +510,7 @@ public:
    *
    * @par Example
    * @code
-   * asio::ip::tcp::socket socket(io_context); 
+   * asio::ip::tcp::socket socket(my_context);
    * ...
    * asio::socket_base::bytes_readable command(true);
    * socket.io_control(command);
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/spawn.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/spawn.hpp
index d21733c..4f8b890 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/spawn.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/spawn.hpp
@@ -2,7 +2,7 @@
 // spawn.hpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl.hpp
index e49eb17..19b1da4 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl.hpp
@@ -2,7 +2,7 @@
 // ssl.hpp
 // ~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/context.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/context.hpp
index e00fd23..9657d77 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/context.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/context.hpp
@@ -2,7 +2,7 @@
 // ssl/context.hpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/context_base.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/context_base.hpp
index 1fea979..fd103e7 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/context_base.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/context_base.hpp
@@ -2,7 +2,7 @@
 // ssl/context_base.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -85,6 +85,15 @@ public:
     /// TLS version 1.2 server.
     tlsv12_server,
 
+    /// Generic TLS version 1.3.
+    tlsv13,
+
+    /// TLS version 1.3 client.
+    tlsv13_client,
+
+    /// TLS version 1.3 server.
+    tlsv13_server,
+
     /// Generic TLS.
     tls,
 
@@ -120,6 +129,9 @@ public:
   /// Disable TLS v1.2.
   static const long no_tlsv1_2 = implementation_defined;
 
+  /// Disable TLS v1.3.
+  static const long no_tlsv1_3 = implementation_defined;
+
   /// Disable compression. Compression is disabled by default.
   static const long no_compression = implementation_defined;
 #else
@@ -138,6 +150,11 @@ public:
 # else // defined(SSL_OP_NO_TLSv1_2)
   ASIO_STATIC_CONSTANT(long, no_tlsv1_2 = 0x08000000L);
 # endif // defined(SSL_OP_NO_TLSv1_2)
+# if defined(SSL_OP_NO_TLSv1_3)
+  ASIO_STATIC_CONSTANT(long, no_tlsv1_3 = SSL_OP_NO_TLSv1_3);
+# else // defined(SSL_OP_NO_TLSv1_3)
+  ASIO_STATIC_CONSTANT(long, no_tlsv1_3 = 0x20000000L);
+# endif // defined(SSL_OP_NO_TLSv1_3)
 # if defined(SSL_OP_NO_COMPRESSION)
   ASIO_STATIC_CONSTANT(long, no_compression = SSL_OP_NO_COMPRESSION);
 # else // defined(SSL_OP_NO_COMPRESSION)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/buffered_handshake_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/buffered_handshake_op.hpp
index ceb22e8..97deb1d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/buffered_handshake_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/buffered_handshake_op.hpp
@@ -2,7 +2,7 @@
 // ssl/detail/buffered_handshake_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/engine.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/engine.hpp
index 061a50d..8a798c1 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/engine.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/engine.hpp
@@ -2,7 +2,7 @@
 // ssl/detail/engine.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/handshake_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/handshake_op.hpp
index 23824d8..d070c06 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/handshake_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/handshake_op.hpp
@@ -2,7 +2,7 @@
 // ssl/detail/handshake_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/impl/engine.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/impl/engine.ipp
index ca0a1ff..19f5893 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/impl/engine.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/impl/engine.ipp
@@ -2,7 +2,7 @@
 // ssl/detail/impl/engine.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -240,14 +240,23 @@ engine::want engine::perform(int (engine::* op)(void*, std::size_t),
   {
     ec = asio::error_code(sys_error,
         asio::error::get_ssl_category());
-    return want_nothing;
+    return pending_output_after > pending_output_before
+      ? want_output : want_nothing;
   }
 
   if (ssl_error == SSL_ERROR_SYSCALL)
   {
-    ec = asio::error_code(sys_error,
-        asio::error::get_system_category());
-    return want_nothing;
+    if (sys_error == 0)
+    {
+      ec = asio::ssl::error::unspecified_system_error;
+    }
+    else
+    {
+      ec = asio::error_code(sys_error,
+          asio::error::get_ssl_category());
+    }
+    return pending_output_after > pending_output_before
+      ? want_output : want_nothing;
   }
 
   if (result > 0 && bytes_transferred)
@@ -268,16 +277,21 @@ engine::want engine::perform(int (engine::* op)(void*, std::size_t),
     ec = asio::error_code();
     return want_input_and_retry;
   }
-  else if (::SSL_get_shutdown(ssl_) & SSL_RECEIVED_SHUTDOWN)
+  else if (ssl_error == SSL_ERROR_ZERO_RETURN)
   {
     ec = asio::error::eof;
     return want_nothing;
   }
-  else
+  else if (ssl_error == SSL_ERROR_NONE)
   {
     ec = asio::error_code();
     return want_nothing;
   }
+  else
+  {
+    ec = asio::ssl::error::unexpected_result;
+    return want_nothing;
+  }
 }
 
 int engine::do_accept(void*, std::size_t)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/impl/openssl_init.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/impl/openssl_init.ipp
index 75aefec..f632401 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/impl/openssl_init.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/impl/openssl_init.ipp
@@ -3,7 +3,7 @@
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
 // Copyright (c) 2005 Voipster / Indrek dot Juhani at voipster dot com
-// Copyright (c) 2005-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2005-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -79,10 +79,12 @@ public:
     ::ERR_remove_thread_state(NULL);
 #endif // (OPENSSL_VERSION_NUMBER < 0x10000000L)
 #if (OPENSSL_VERSION_NUMBER >= 0x10002000L) \
-    && (OPENSSL_VERSION_NUMBER < 0x10100000L)
+    && (OPENSSL_VERSION_NUMBER < 0x10100000L) \
+    && !defined(SSL_OP_NO_COMPRESSION)
     ::SSL_COMP_free_compression_methods();
 #endif // (OPENSSL_VERSION_NUMBER >= 0x10002000L)
        // && (OPENSSL_VERSION_NUMBER < 0x10100000L)
+       // && !defined(SSL_OP_NO_COMPRESSION)
 #if !defined(OPENSSL_IS_BORINGSSL)
     ::CONF_modules_unload(1);
 #endif // !defined(OPENSSL_IS_BORINGSSL)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/io.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/io.hpp
index 553f1ff..b3848cd 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/io.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/io.hpp
@@ -2,7 +2,7 @@
 // ssl/detail/io.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -31,6 +31,7 @@ template <typename Stream, typename Operation>
 std::size_t io(Stream& next_layer, stream_core& core,
     const Operation& op, asio::error_code& ec)
 {
+  asio::error_code io_ec;
   std::size_t bytes_transferred = 0;
   do switch (op(core.engine_, ec, bytes_transferred))
   {
@@ -39,8 +40,12 @@ std::size_t io(Stream& next_layer, stream_core& core,
     // If the input buffer is empty then we need to read some more data from
     // the underlying transport.
     if (core.input_.size() == 0)
+    {
       core.input_ = asio::buffer(core.input_buffer_,
-          next_layer.read_some(core.input_buffer_, ec));
+          next_layer.read_some(core.input_buffer_, io_ec));
+      if (!ec)
+        ec = io_ec;
+    }
 
     // Pass the new input data to the engine.
     core.input_ = core.engine_.put_input(core.input_);
@@ -53,7 +58,9 @@ std::size_t io(Stream& next_layer, stream_core& core,
     // Get output data from the engine and write it to the underlying
     // transport.
     asio::write(next_layer,
-        core.engine_.get_output(core.output_buffer_), ec);
+        core.engine_.get_output(core.output_buffer_), io_ec);
+    if (!ec)
+      ec = io_ec;
 
     // Try the operation again.
     continue;
@@ -63,7 +70,9 @@ std::size_t io(Stream& next_layer, stream_core& core,
     // Get output data from the engine and write it to the underlying
     // transport.
     asio::write(next_layer,
-        core.engine_.get_output(core.output_buffer_), ec);
+        core.engine_.get_output(core.output_buffer_), io_ec);
+    if (!ec)
+      ec = io_ec;
 
     // Operation is complete. Return result to caller.
     core.engine_.map_error_code(ec);
@@ -114,7 +123,7 @@ public:
   io_op(io_op&& other)
     : next_layer_(other.next_layer_),
       core_(other.core_),
-      op_(other.op_),
+      op_(ASIO_MOVE_CAST(Operation)(other.op_)),
       start_(other.start_),
       want_(other.want_),
       ec_(other.ec_),
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/openssl_init.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/openssl_init.hpp
index 623ee49..1ee3b57 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/openssl_init.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/openssl_init.hpp
@@ -2,7 +2,7 @@
 // ssl/detail/openssl_init.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/openssl_types.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/openssl_types.hpp
index a5ef5bb..84191f3 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/openssl_types.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/openssl_types.hpp
@@ -2,7 +2,7 @@
 // ssl/detail/openssl_types.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/password_callback.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/password_callback.hpp
index d43d7ee..8246625 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/password_callback.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/password_callback.hpp
@@ -2,7 +2,7 @@
 // ssl/detail/password_callback.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/read_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/read_op.hpp
index bbb8505..b73070e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/read_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/read_op.hpp
@@ -2,7 +2,7 @@
 // ssl/detail/read_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/shutdown_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/shutdown_op.hpp
index fa06ede..b8c6994 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/shutdown_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/shutdown_op.hpp
@@ -2,7 +2,7 @@
 // ssl/detail/shutdown_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -41,7 +41,17 @@ public:
       const asio::error_code& ec,
       const std::size_t&) const
   {
-    handler(ec);
+    if (ec == asio::error::eof)
+    {
+      // The engine only generates an eof when the shutdown notification has
+      // been received from the peer. This indicates that the shutdown has
+      // completed successfully, and thus need not be passed on to the handler.
+      handler(asio::error_code());
+    }
+    else
+    {
+      handler(ec);
+    }
   }
 };
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/stream_core.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/stream_core.hpp
index 86cbfc0..9533c66 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/stream_core.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/stream_core.hpp
@@ -2,7 +2,7 @@
 // ssl/detail/stream_core.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -37,10 +37,11 @@ struct stream_core
   // sufficient to hold the largest possible TLS record.
   enum { max_tls_record_size = 17 * 1024 };
 
-  stream_core(SSL_CTX* context, asio::io_context& io_context)
+  template <typename Executor>
+  stream_core(SSL_CTX* context, const Executor& ex)
     : engine_(context),
-      pending_read_(io_context),
-      pending_write_(io_context),
+      pending_read_(ex),
+      pending_write_(ex),
       output_buffer_space_(max_tls_record_size),
       output_buffer_(asio::buffer(output_buffer_space_)),
       input_buffer_space_(max_tls_record_size),
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/verify_callback.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/verify_callback.hpp
index 9314aae..c26d28c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/verify_callback.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/verify_callback.hpp
@@ -2,7 +2,7 @@
 // ssl/detail/verify_callback.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/write_op.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/write_op.hpp
index 7f6f928..a180014 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/write_op.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/detail/write_op.hpp
@@ -2,7 +2,7 @@
 // ssl/detail/write_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/error.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/error.hpp
index 6a0d221..99fecf4 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/error.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/error.hpp
@@ -2,7 +2,7 @@
 // ssl/error.hpp
 // ~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -44,12 +44,24 @@ enum stream_errors
 {
 #if defined(GENERATING_DOCUMENTATION)
   /// The underlying stream closed before the ssl stream gracefully shut down.
-  stream_truncated
-#elif (OPENSSL_VERSION_NUMBER < 0x10100000L) && !defined(OPENSSL_IS_BORINGSSL)
-  stream_truncated = ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SHORT_READ)
-#else
-  stream_truncated = 1
-#endif
+  stream_truncated,
+
+  /// The underlying SSL library returned a system error without providing
+  /// further information.
+  unspecified_system_error,
+
+  /// The underlying SSL library generated an unexpected result from a function
+  /// call.
+  unexpected_result
+#else // defined(GENERATING_DOCUMENTATION)
+# if (OPENSSL_VERSION_NUMBER < 0x10100000L) && !defined(OPENSSL_IS_BORINGSSL)
+  stream_truncated = ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SHORT_READ),
+# else
+  stream_truncated = 1,
+# endif
+  unspecified_system_error = 2,
+  unexpected_result = 3
+#endif // defined(GENERATING_DOCUMENTATION)
 };
 
 extern ASIO_DECL
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/impl/context.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/impl/context.hpp
index 95808e0..2831e2b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/impl/context.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/impl/context.hpp
@@ -3,7 +3,7 @@
 // ~~~~~~~~~~~~~~~~~~~~
 //
 // Copyright (c) 2005 Voipster / Indrek dot Juhani at voipster dot com
-// Copyright (c) 2005-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2005-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/impl/context.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/impl/context.ipp
index 45e203f..7a19f04 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/impl/context.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/impl/context.ipp
@@ -3,7 +3,7 @@
 // ~~~~~~~~~~~~~~~~~~~~
 //
 // Copyright (c) 2005 Voipster / Indrek dot Juhani at voipster dot com
-// Copyright (c) 2005-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2005-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -157,7 +157,7 @@ context::context(context::method m)
       SSL_CTX_set_max_proto_version(handle_, TLS1_VERSION);
     }
     break;
-#else // (OPENSSL_VERSION_NUMBER >= 0x10100000L)
+#elif defined(SSL_TXT_TLSV1)
   case context::tlsv1:
     handle_ = ::SSL_CTX_new(::TLSv1_method());
     break;
@@ -167,7 +167,14 @@ context::context(context::method m)
   case context::tlsv1_server:
     handle_ = ::SSL_CTX_new(::TLSv1_server_method());
     break;
-#endif // (OPENSSL_VERSION_NUMBER >= 0x10100000L)
+#else // defined(SSL_TXT_TLSV1)
+  case context::tlsv1:
+  case context::tlsv1_client:
+  case context::tlsv1_server:
+    asio::detail::throw_error(
+        asio::error::invalid_argument, "context");
+    break;
+#endif // defined(SSL_TXT_TLSV1)
 
     // TLS v1.1.
 #if (OPENSSL_VERSION_NUMBER >= 0x10100000L) && !defined(LIBRESSL_VERSION_NUMBER)
@@ -240,7 +247,7 @@ context::context(context::method m)
       SSL_CTX_set_max_proto_version(handle_, TLS1_2_VERSION);
     }
     break;
-#elif defined(SSL_TXT_TLSV1_1)
+#elif defined(SSL_TXT_TLSV1_2)
   case context::tlsv12:
     handle_ = ::SSL_CTX_new(::TLSv1_2_method());
     break;
@@ -250,14 +257,52 @@ context::context(context::method m)
   case context::tlsv12_server:
     handle_ = ::SSL_CTX_new(::TLSv1_2_server_method());
     break;
-#else // defined(SSL_TXT_TLSV1_1)
+#else // defined(SSL_TXT_TLSV1_2)
   case context::tlsv12:
   case context::tlsv12_client:
   case context::tlsv12_server:
     asio::detail::throw_error(
         asio::error::invalid_argument, "context");
     break;
-#endif // defined(SSL_TXT_TLSV1_1)
+#endif // defined(SSL_TXT_TLSV1_2)
+
+    // TLS v1.3.
+#if (OPENSSL_VERSION_NUMBER >= 0x10101000L) \
+    && !defined(LIBRESSL_VERSION_NUMBER)
+  case context::tlsv13:
+    handle_ = ::SSL_CTX_new(::TLS_method());
+    if (handle_)
+    {
+      SSL_CTX_set_min_proto_version(handle_, TLS1_3_VERSION);
+      SSL_CTX_set_max_proto_version(handle_, TLS1_3_VERSION);
+    }
+    break;
+  case context::tlsv13_client:
+    handle_ = ::SSL_CTX_new(::TLS_client_method());
+    if (handle_)
+    {
+      SSL_CTX_set_min_proto_version(handle_, TLS1_3_VERSION);
+      SSL_CTX_set_max_proto_version(handle_, TLS1_3_VERSION);
+    }
+    break;
+  case context::tlsv13_server:
+    handle_ = ::SSL_CTX_new(::TLS_server_method());
+    if (handle_)
+    {
+      SSL_CTX_set_min_proto_version(handle_, TLS1_3_VERSION);
+      SSL_CTX_set_max_proto_version(handle_, TLS1_3_VERSION);
+    }
+    break;
+#else // (OPENSSL_VERSION_NUMBER >= 0x10101000L)
+      //   && !defined(LIBRESSL_VERSION_NUMBER)
+  case context::tlsv13:
+  case context::tlsv13_client:
+  case context::tlsv13_server:
+    asio::detail::throw_error(
+        asio::error::invalid_argument, "context");
+    break;
+#endif // (OPENSSL_VERSION_NUMBER >= 0x10101000L)
+       //   && !defined(LIBRESSL_VERSION_NUMBER)
 
     // Any supported SSL/TLS version.
   case context::sslv23:
@@ -509,23 +554,26 @@ ASIO_SYNC_OP_VOID context::add_certificate_authority(
   bio_cleanup bio = { make_buffer_bio(ca) };
   if (bio.p)
   {
-    x509_cleanup cert = { ::PEM_read_bio_X509(bio.p, 0, 0, 0) };
-    if (cert.p)
+    if (X509_STORE* store = ::SSL_CTX_get_cert_store(handle_))
     {
-      if (X509_STORE* store = ::SSL_CTX_get_cert_store(handle_))
+      for (;;)
       {
-        if (::X509_STORE_add_cert(store, cert.p) == 1)
+        x509_cleanup cert = { ::PEM_read_bio_X509(bio.p, 0, 0, 0) };
+        if (!cert.p)
+          break;
+
+        if (::X509_STORE_add_cert(store, cert.p) != 1)
         {
-          ec = asio::error_code();
+          ec = asio::error_code(
+              static_cast<int>(::ERR_get_error()),
+              asio::error::get_ssl_category());
           ASIO_SYNC_OP_VOID_RETURN(ec);
         }
       }
     }
   }
 
-  ec = asio::error_code(
-      static_cast<int>(::ERR_get_error()),
-      asio::error::get_ssl_category());
+  ec = asio::error_code();
   ASIO_SYNC_OP_VOID_RETURN(ec);
 }
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/impl/error.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/impl/error.ipp
index 42caeb7..aa5de49 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/impl/error.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/impl/error.ipp
@@ -2,7 +2,7 @@
 // ssl/impl/error.ipp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -76,6 +76,8 @@ public:
     switch (value)
     {
     case stream_truncated: return "stream truncated";
+    case unspecified_system_error: return "unspecified system error";
+    case unexpected_result: return "unexpected result";
     default: return "asio.ssl.stream error";
     }
   }
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/impl/rfc2818_verification.ipp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/impl/rfc2818_verification.ipp
index 11eb36d..8ea3d5f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/impl/rfc2818_verification.ipp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/impl/rfc2818_verification.ipp
@@ -2,7 +2,7 @@
 // ssl/impl/rfc2818_verification.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/impl/src.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/impl/src.hpp
index 39c85e3..0c092cf 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/impl/src.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/impl/src.hpp
@@ -2,7 +2,7 @@
 // impl/ssl/src.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/rfc2818_verification.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/rfc2818_verification.hpp
index 4489c83..a8bd8d9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/rfc2818_verification.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/rfc2818_verification.hpp
@@ -2,7 +2,7 @@
 // ssl/rfc2818_verification.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/stream.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/stream.hpp
index 0dbffe2..ee68f79 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/stream.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/stream.hpp
@@ -2,7 +2,7 @@
 // ssl/stream.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -20,6 +20,7 @@
 #include "asio/async_result.hpp"
 #include "asio/detail/buffer_sequence_adapter.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
 #include "asio/detail/noncopyable.hpp"
 #include "asio/detail/type_traits.hpp"
 #include "asio/ssl/context.hpp"
@@ -51,9 +52,9 @@ namespace ssl {
  * @par Example
  * To use the SSL stream template with an ip::tcp::socket, you would write:
  * @code
- * asio::io_context io_context;
+ * asio::io_context my_context;
  * asio::ssl::context ctx(asio::ssl::context::sslv23);
- * asio::ssl::stream<asio:ip::tcp::socket> sock(io_context, ctx);
+ * asio::ssl::stream<asio:ip::tcp::socket> sock(my_context, ctx);
  * @endcode
  *
  * @par Concepts:
@@ -96,16 +97,14 @@ public:
   template <typename Arg>
   stream(Arg&& arg, context& ctx)
     : next_layer_(ASIO_MOVE_CAST(Arg)(arg)),
-      core_(ctx.native_handle(),
-          next_layer_.lowest_layer().get_executor().context())
+      core_(ctx.native_handle(), next_layer_.lowest_layer().get_executor())
   {
   }
 #else // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
   template <typename Arg>
   stream(Arg& arg, context& ctx)
     : next_layer_(arg),
-      core_(ctx.native_handle(),
-          next_layer_.lowest_layer().get_executor().context())
+      core_(ctx.native_handle(), next_layer_.lowest_layer().get_executor())
   {
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
@@ -131,22 +130,6 @@ public:
     return next_layer_.lowest_layer().get_executor();
   }
 
-#if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  asio::io_context& get_io_context()
-  {
-    return next_layer_.lowest_layer().get_io_context();
-  }
-
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  asio::io_context& get_io_service()
-  {
-    return next_layer_.lowest_layer().get_io_service();
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
   /// Get the underlying implementation in the native type.
   /**
    * This function may be used to obtain the underlying implementation of the
@@ -158,7 +141,7 @@ public:
    * suitable for passing to functions such as @c SSL_get_verify_result and
    * @c SSL_get_peer_certificate:
    * @code
-   * asio::ssl::stream<asio:ip::tcp::socket> sock(io_context, ctx);
+   * asio::ssl::stream<asio:ip::tcp::socket> sock(my_context, ctx);
    *
    * // ... establish connection and perform handshake ...
    *
@@ -453,17 +436,9 @@ public:
   async_handshake(handshake_type type,
       ASIO_MOVE_ARG(HandshakeHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a HandshakeHandler.
-    ASIO_HANDSHAKE_HANDLER_CHECK(HandshakeHandler, handler) type_check;
-
-    asio::async_completion<HandshakeHandler,
-      void (asio::error_code)> init(handler);
-
-    detail::async_io(next_layer_, core_,
-        detail::handshake_op(type), init.completion_handler);
-
-    return init.result.get();
+    return async_initiate<HandshakeHandler,
+      void (asio::error_code)>(
+        initiate_async_handshake(), handler, this, type);
   }
 
   /// Start an asynchronous SSL handshake.
@@ -493,19 +468,9 @@ public:
   async_handshake(handshake_type type, const ConstBufferSequence& buffers,
       ASIO_MOVE_ARG(BufferedHandshakeHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a BufferedHandshakeHandler.
-    ASIO_BUFFERED_HANDSHAKE_HANDLER_CHECK(
-        BufferedHandshakeHandler, handler) type_check;
-
-    asio::async_completion<BufferedHandshakeHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    detail::async_io(next_layer_, core_,
-        detail::buffered_handshake_op<ConstBufferSequence>(type, buffers),
-        init.completion_handler);
-
-    return init.result.get();
+    return async_initiate<BufferedHandshakeHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_buffered_handshake(), handler, this, type, buffers);
   }
 
   /// Shut down SSL on the stream.
@@ -552,17 +517,9 @@ public:
       void (asio::error_code))
   async_shutdown(ASIO_MOVE_ARG(ShutdownHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ShutdownHandler.
-    ASIO_SHUTDOWN_HANDLER_CHECK(ShutdownHandler, handler) type_check;
-
-    asio::async_completion<ShutdownHandler,
-      void (asio::error_code)> init(handler);
-
-    detail::async_io(next_layer_, core_, detail::shutdown_op(),
-        init.completion_handler);
-
-    return init.result.get();
+    return async_initiate<ShutdownHandler,
+      void (asio::error_code)>(
+        initiate_async_shutdown(), handler, this);
   }
 
   /// Write some data to the stream.
@@ -634,7 +591,8 @@ public:
    *
    * @note The async_write_some operation may not transmit all of the data to
    * the peer. Consider using the @ref async_write function if you need to
-   * ensure that all data is written before the blocking operation completes.
+   * ensure that all data is written before the asynchronous operation
+   * completes.
    */
   template <typename ConstBufferSequence, typename WriteHandler>
   ASIO_INITFN_RESULT_TYPE(WriteHandler,
@@ -642,18 +600,9 @@ public:
   async_write_some(const ConstBufferSequence& buffers,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-    asio::async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    detail::async_io(next_layer_, core_,
-        detail::write_op<ConstBufferSequence>(buffers),
-        init.completion_handler);
-
-    return init.result.get();
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_write_some(), handler, this, buffers);
   }
 
   /// Read some data from the stream.
@@ -734,21 +683,97 @@ public:
   async_read_some(const MutableBufferSequence& buffers,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-    asio::async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    detail::async_io(next_layer_, core_,
-        detail::read_op<MutableBufferSequence>(buffers),
-        init.completion_handler);
-
-    return init.result.get();
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_read_some(), handler, this, buffers);
   }
 
 private:
+  struct initiate_async_handshake
+  {
+    template <typename HandshakeHandler>
+    void operator()(ASIO_MOVE_ARG(HandshakeHandler) handler,
+        stream* self, handshake_type type) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a HandshakeHandler.
+      ASIO_HANDSHAKE_HANDLER_CHECK(HandshakeHandler, handler) type_check;
+
+      asio::detail::non_const_lvalue<HandshakeHandler> handler2(handler);
+      detail::async_io(self->next_layer_, self->core_,
+          detail::handshake_op(type), handler2.value);
+    }
+  };
+
+  struct initiate_async_buffered_handshake
+  {
+    template <typename BufferedHandshakeHandler, typename ConstBufferSequence>
+    void operator()(ASIO_MOVE_ARG(BufferedHandshakeHandler) handler,
+        stream* self, handshake_type type,
+        const ConstBufferSequence& buffers) const
+    {
+      // If you get an error on the following line it means that your
+      // handler does not meet the documented type requirements for a
+      // BufferedHandshakeHandler.
+      ASIO_BUFFERED_HANDSHAKE_HANDLER_CHECK(
+          BufferedHandshakeHandler, handler) type_check;
+
+      asio::detail::non_const_lvalue<
+          BufferedHandshakeHandler> handler2(handler);
+      detail::async_io(self->next_layer_, self->core_,
+          detail::buffered_handshake_op<ConstBufferSequence>(type, buffers),
+          handler2.value);
+    }
+  };
+
+  struct initiate_async_shutdown
+  {
+    template <typename ShutdownHandler>
+    void operator()(ASIO_MOVE_ARG(ShutdownHandler) handler,
+        stream* self) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ShutdownHandler.
+      ASIO_HANDSHAKE_HANDLER_CHECK(ShutdownHandler, handler) type_check;
+
+      asio::detail::non_const_lvalue<ShutdownHandler> handler2(handler);
+      detail::async_io(self->next_layer_, self->core_,
+          detail::shutdown_op(), handler2.value);
+    }
+  };
+
+  struct initiate_async_write_some
+  {
+    template <typename WriteHandler, typename ConstBufferSequence>
+    void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
+        stream* self, const ConstBufferSequence& buffers) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WriteHandler.
+      ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
+
+      asio::detail::non_const_lvalue<WriteHandler> handler2(handler);
+      detail::async_io(self->next_layer_, self->core_,
+          detail::write_op<ConstBufferSequence>(buffers), handler2.value);
+    }
+  };
+
+  struct initiate_async_read_some
+  {
+    template <typename ReadHandler, typename MutableBufferSequence>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        stream* self, const MutableBufferSequence& buffers) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      asio::detail::non_const_lvalue<ReadHandler> handler2(handler);
+      detail::async_io(self->next_layer_, self->core_,
+          detail::read_op<MutableBufferSequence>(buffers), handler2.value);
+    }
+  };
+
   Stream next_layer_;
   detail::stream_core core_;
 };
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/stream_base.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/stream_base.hpp
index ca95c76..7960e99 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/stream_base.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/stream_base.hpp
@@ -2,7 +2,7 @@
 // ssl/stream_base.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/verify_context.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/verify_context.hpp
index 34f9353..bfb608d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/verify_context.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/verify_context.hpp
@@ -2,7 +2,7 @@
 // ssl/verify_context.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/verify_mode.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/verify_mode.hpp
index 6c444cc..bcd6f8e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/verify_mode.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ssl/verify_mode.hpp
@@ -2,7 +2,7 @@
 // ssl/verify_mode.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/steady_timer.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/steady_timer.hpp
index 2c73fa5..2231740 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/steady_timer.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/steady_timer.hpp
@@ -2,7 +2,7 @@
 // steady_timer.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/strand.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/strand.hpp
index b8ee0e6..b807e4b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/strand.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/strand.hpp
@@ -2,7 +2,7 @@
 // strand.hpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -271,6 +271,33 @@ private:
   implementation_type impl_;
 };
 
+/** @defgroup make_strand asio::make_strand
+ *
+ * @brief The asio::make_strand function creates a @ref strand object for
+ * an executor or execution context.
+ */
+/*@{*/
+
+/// Create a @ref strand object for an executor.
+template <typename Executor>
+inline strand<Executor> make_strand(const Executor& ex,
+    typename enable_if<is_executor<Executor>::value>::type* = 0)
+{
+  return strand<Executor>(ex);
+}
+
+/// Create a @ref strand object for an execution context.
+template <typename ExecutionContext>
+inline strand<typename ExecutionContext::executor_type>
+make_strand(ExecutionContext& ctx,
+    typename enable_if<
+      is_convertible<ExecutionContext&, execution_context&>::value>::type* = 0)
+{
+  return strand<typename ExecutionContext::executor_type>(ctx.get_executor());
+}
+
+/*@}*/
+
 } // namespace asio
 
 #include "asio/detail/pop_options.hpp"
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/stream_socket_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/stream_socket_service.hpp
deleted file mode 100644
index 9c0a361..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/stream_socket_service.hpp
+++ /dev/null
@@ -1,412 +0,0 @@
-//
-// stream_socket_service.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef ASIO_STREAM_SOCKET_SERVICE_HPP
-#define ASIO_STREAM_SOCKET_SERVICE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#include <cstddef>
-#include "asio/async_result.hpp"
-#include "asio/detail/type_traits.hpp"
-#include "asio/error.hpp"
-#include "asio/io_context.hpp"
-
-#if defined(ASIO_WINDOWS_RUNTIME)
-# include "asio/detail/winrt_ssocket_service.hpp"
-#elif defined(ASIO_HAS_IOCP)
-# include "asio/detail/win_iocp_socket_service.hpp"
-#else
-# include "asio/detail/reactive_socket_service.hpp"
-#endif
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-
-/// Default service implementation for a stream socket.
-template <typename Protocol>
-class stream_socket_service
-#if defined(GENERATING_DOCUMENTATION)
-  : public asio::io_context::service
-#else
-  : public asio::detail::service_base<stream_socket_service<Protocol> >
-#endif
-{
-public:
-#if defined(GENERATING_DOCUMENTATION)
-  /// The unique service identifier.
-  static asio::io_context::id id;
-#endif
-
-  /// The protocol type.
-  typedef Protocol protocol_type;
-
-  /// The endpoint type.
-  typedef typename Protocol::endpoint endpoint_type;
-
-private:
-  // The type of the platform-specific implementation.
-#if defined(ASIO_WINDOWS_RUNTIME)
-  typedef detail::winrt_ssocket_service<Protocol> service_impl_type;
-#elif defined(ASIO_HAS_IOCP)
-  typedef detail::win_iocp_socket_service<Protocol> service_impl_type;
-#else
-  typedef detail::reactive_socket_service<Protocol> service_impl_type;
-#endif
-
-public:
-  /// The type of a stream socket implementation.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined implementation_type;
-#else
-  typedef typename service_impl_type::implementation_type implementation_type;
-#endif
-
-  /// The native socket type.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined native_handle_type;
-#else
-  typedef typename service_impl_type::native_handle_type native_handle_type;
-#endif
-
-  /// Construct a new stream socket service for the specified io_context.
-  explicit stream_socket_service(asio::io_context& io_context)
-    : asio::detail::service_base<
-        stream_socket_service<Protocol> >(io_context),
-      service_impl_(io_context)
-  {
-  }
-
-  /// Construct a new stream socket implementation.
-  void construct(implementation_type& impl)
-  {
-    service_impl_.construct(impl);
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a new stream socket implementation.
-  void move_construct(implementation_type& impl,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_construct(impl, other_impl);
-  }
-
-  /// Move-assign from another stream socket implementation.
-  void move_assign(implementation_type& impl,
-      stream_socket_service& other_service,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_assign(impl, other_service.service_impl_, other_impl);
-  }
-
-  // All socket services have access to each other's implementations.
-  template <typename Protocol1> friend class stream_socket_service;
-
-  /// Move-construct a new stream socket implementation from another protocol
-  /// type.
-  template <typename Protocol1>
-  void converting_move_construct(implementation_type& impl,
-      stream_socket_service<Protocol1>& other_service,
-      typename stream_socket_service<
-        Protocol1>::implementation_type& other_impl,
-      typename enable_if<is_convertible<
-        Protocol1, Protocol>::value>::type* = 0)
-  {
-    service_impl_.template converting_move_construct<Protocol1>(
-        impl, other_service.service_impl_, other_impl);
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-  /// Destroy a stream socket implementation.
-  void destroy(implementation_type& impl)
-  {
-    service_impl_.destroy(impl);
-  }
-
-  /// Open a stream socket.
-  ASIO_SYNC_OP_VOID open(implementation_type& impl,
-      const protocol_type& protocol, asio::error_code& ec)
-  {
-    if (protocol.type() == ASIO_OS_DEF(SOCK_STREAM))
-      service_impl_.open(impl, protocol, ec);
-    else
-      ec = asio::error::invalid_argument;
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Assign an existing native socket to a stream socket.
-  ASIO_SYNC_OP_VOID assign(implementation_type& impl,
-      const protocol_type& protocol, const native_handle_type& native_socket,
-      asio::error_code& ec)
-  {
-    service_impl_.assign(impl, protocol, native_socket, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the socket is open.
-  bool is_open(const implementation_type& impl) const
-  {
-    return service_impl_.is_open(impl);
-  }
-
-  /// Close a stream socket implementation.
-  ASIO_SYNC_OP_VOID close(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.close(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Release ownership of the underlying socket.
-  native_handle_type release(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    return service_impl_.release(impl, ec);
-  }
-
-  /// Get the native socket implementation.
-  native_handle_type native_handle(implementation_type& impl)
-  {
-    return service_impl_.native_handle(impl);
-  }
-
-  /// Cancel all asynchronous operations associated with the socket.
-  ASIO_SYNC_OP_VOID cancel(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.cancel(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the socket is at the out-of-band data mark.
-  bool at_mark(const implementation_type& impl,
-      asio::error_code& ec) const
-  {
-    return service_impl_.at_mark(impl, ec);
-  }
-
-  /// Determine the number of bytes available for reading.
-  std::size_t available(const implementation_type& impl,
-      asio::error_code& ec) const
-  {
-    return service_impl_.available(impl, ec);
-  }
-
-  /// Bind the stream socket to the specified local endpoint.
-  ASIO_SYNC_OP_VOID bind(implementation_type& impl,
-      const endpoint_type& endpoint, asio::error_code& ec)
-  {
-    service_impl_.bind(impl, endpoint, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Connect the stream socket to the specified endpoint.
-  ASIO_SYNC_OP_VOID connect(implementation_type& impl,
-      const endpoint_type& peer_endpoint, asio::error_code& ec)
-  {
-    service_impl_.connect(impl, peer_endpoint, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Start an asynchronous connect.
-  template <typename ConnectHandler>
-  ASIO_INITFN_RESULT_TYPE(ConnectHandler,
-      void (asio::error_code))
-  async_connect(implementation_type& impl,
-      const endpoint_type& peer_endpoint,
-      ASIO_MOVE_ARG(ConnectHandler) handler)
-  {
-    async_completion<ConnectHandler,
-      void (asio::error_code)> init(handler);
-
-    service_impl_.async_connect(impl, peer_endpoint, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Set a socket option.
-  template <typename SettableSocketOption>
-  ASIO_SYNC_OP_VOID set_option(implementation_type& impl,
-      const SettableSocketOption& option, asio::error_code& ec)
-  {
-    service_impl_.set_option(impl, option, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get a socket option.
-  template <typename GettableSocketOption>
-  ASIO_SYNC_OP_VOID get_option(const implementation_type& impl,
-      GettableSocketOption& option, asio::error_code& ec) const
-  {
-    service_impl_.get_option(impl, option, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Perform an IO control command on the socket.
-  template <typename IoControlCommand>
-  ASIO_SYNC_OP_VOID io_control(implementation_type& impl,
-      IoControlCommand& command, asio::error_code& ec)
-  {
-    service_impl_.io_control(impl, command, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Gets the non-blocking mode of the socket.
-  bool non_blocking(const implementation_type& impl) const
-  {
-    return service_impl_.non_blocking(impl);
-  }
-
-  /// Sets the non-blocking mode of the socket.
-  ASIO_SYNC_OP_VOID non_blocking(implementation_type& impl,
-      bool mode, asio::error_code& ec)
-  {
-    service_impl_.non_blocking(impl, mode, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Gets the non-blocking mode of the native socket implementation.
-  bool native_non_blocking(const implementation_type& impl) const
-  {
-    return service_impl_.native_non_blocking(impl);
-  }
-
-  /// Sets the non-blocking mode of the native socket implementation.
-  ASIO_SYNC_OP_VOID native_non_blocking(implementation_type& impl,
-      bool mode, asio::error_code& ec)
-  {
-    service_impl_.native_non_blocking(impl, mode, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get the local endpoint.
-  endpoint_type local_endpoint(const implementation_type& impl,
-      asio::error_code& ec) const
-  {
-    return service_impl_.local_endpoint(impl, ec);
-  }
-
-  /// Get the remote endpoint.
-  endpoint_type remote_endpoint(const implementation_type& impl,
-      asio::error_code& ec) const
-  {
-    return service_impl_.remote_endpoint(impl, ec);
-  }
-
-  /// Disable sends or receives on the socket.
-  ASIO_SYNC_OP_VOID shutdown(implementation_type& impl,
-      socket_base::shutdown_type what, asio::error_code& ec)
-  {
-    service_impl_.shutdown(impl, what, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Wait for the socket to become ready to read, ready to write, or to have
-  /// pending error conditions.
-  ASIO_SYNC_OP_VOID wait(implementation_type& impl,
-      socket_base::wait_type w, asio::error_code& ec)
-  {
-    service_impl_.wait(impl, w, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Asynchronously wait for the socket to become ready to read, ready to
-  /// write, or to have pending error conditions.
-  template <typename WaitHandler>
-  ASIO_INITFN_RESULT_TYPE(WaitHandler,
-      void (asio::error_code))
-  async_wait(implementation_type& impl, socket_base::wait_type w,
-      ASIO_MOVE_ARG(WaitHandler) handler)
-  {
-    async_completion<WaitHandler,
-      void (asio::error_code)> init(handler);
-
-    service_impl_.async_wait(impl, w, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Send the given data to the peer.
-  template <typename ConstBufferSequence>
-  std::size_t send(implementation_type& impl,
-      const ConstBufferSequence& buffers,
-      socket_base::message_flags flags, asio::error_code& ec)
-  {
-    return service_impl_.send(impl, buffers, flags, ec);
-  }
-
-  /// Start an asynchronous send.
-  template <typename ConstBufferSequence, typename WriteHandler>
-  ASIO_INITFN_RESULT_TYPE(WriteHandler,
-      void (asio::error_code, std::size_t))
-  async_send(implementation_type& impl,
-      const ConstBufferSequence& buffers,
-      socket_base::message_flags flags,
-      ASIO_MOVE_ARG(WriteHandler) handler)
-  {
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_send(impl, buffers, flags, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Receive some data from the peer.
-  template <typename MutableBufferSequence>
-  std::size_t receive(implementation_type& impl,
-      const MutableBufferSequence& buffers,
-      socket_base::message_flags flags, asio::error_code& ec)
-  {
-    return service_impl_.receive(impl, buffers, flags, ec);
-  }
-
-  /// Start an asynchronous receive.
-  template <typename MutableBufferSequence, typename ReadHandler>
-  ASIO_INITFN_RESULT_TYPE(ReadHandler,
-      void (asio::error_code, std::size_t))
-  async_receive(implementation_type& impl,
-      const MutableBufferSequence& buffers,
-      socket_base::message_flags flags,
-      ASIO_MOVE_ARG(ReadHandler) handler)
-  {
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_receive(impl, buffers, flags, init.completion_handler);
-
-    return init.result.get();
-  }
-
-private:
-  // Destroy all user-defined handler objects owned by the service.
-  void shutdown()
-  {
-    service_impl_.shutdown();
-  }
-
-  // The platform-specific implementation.
-  service_impl_type service_impl_;
-};
-
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_STREAM_SOCKET_SERVICE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/streambuf.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/streambuf.hpp
index d2268fa..0b9bbad 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/streambuf.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/streambuf.hpp
@@ -2,7 +2,7 @@
 // streambuf.hpp
 // ~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/system_context.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/system_context.hpp
index 5762fca..c6e2d61 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/system_context.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/system_context.hpp
@@ -2,7 +2,7 @@
 // system_context.hpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -59,6 +59,9 @@ private:
 
   struct thread_function;
 
+  // Helper function to create the underlying scheduler.
+  ASIO_DECL detail::scheduler& add_scheduler(detail::scheduler* s);
+
   // The underlying scheduler.
   detail::scheduler& scheduler_;
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/system_error.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/system_error.hpp
index 37a0b7a..272fc59 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/system_error.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/system_error.hpp
@@ -2,7 +2,7 @@
 // system_error.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/system_executor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/system_executor.hpp
index 3cf3703..51c6160 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/system_executor.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/system_executor.hpp
@@ -2,7 +2,7 @@
 // system_executor.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/system_timer.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/system_timer.hpp
index a6d265b..5a79bf1 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/system_timer.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/system_timer.hpp
@@ -2,7 +2,7 @@
 // system_timer.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/this_coro.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/this_coro.hpp
new file mode 100644
index 0000000..02374e1
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/this_coro.hpp
@@ -0,0 +1,45 @@
+//
+// this_coro.hpp
+// ~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_THIS_CORO_HPP
+#define ASIO_THIS_CORO_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace this_coro {
+
+/// Awaitable type that returns the executor of the current coroutine.
+struct executor_t
+{
+  ASIO_CONSTEXPR executor_t()
+  {
+  }
+};
+
+/// Awaitable object that returns the executor of the current coroutine.
+#if defined(ASIO_HAS_CONSTEXPR) || defined(GENERATING_DOCUMENTATION)
+constexpr executor_t executor;
+#elif defined(ASIO_MSVC)
+__declspec(selectany) executor_t executor;
+#endif
+
+} // namespace this_coro
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_THIS_CORO_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/thread.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/thread.hpp
index b587a2b..f4df412 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/thread.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/thread.hpp
@@ -2,7 +2,7 @@
 // thread.hpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/thread_pool.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/thread_pool.hpp
index f12126a..20abe67 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/thread_pool.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/thread_pool.hpp
@@ -2,7 +2,7 @@
 // thread_pool.hpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -32,7 +32,7 @@ namespace asio {
  *
  * @par Submitting tasks to the pool
  *
- * To submit functions to the io_context, use the @ref asio::dispatch,
+ * To submit functions to the thread_pool, use the @ref asio::dispatch,
  * @ref asio::post or @ref asio::defer free functions.
  *
  * For example:
@@ -100,6 +100,9 @@ private:
   friend class executor_type;
   struct thread_function;
 
+  // Helper function to create the underlying scheduler.
+  ASIO_DECL detail::scheduler& add_scheduler(detail::scheduler* s);
+
   // The underlying scheduler.
   detail::scheduler& scheduler_;
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/time_traits.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/time_traits.hpp
index 9c80722..8e47511 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/time_traits.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/time_traits.hpp
@@ -2,7 +2,7 @@
 // time_traits.hpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/buffer.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/buffer.hpp
index 3fdce8a..465897f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/buffer.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/buffer.hpp
@@ -2,7 +2,7 @@
 // ts/buffer.hpp
 // ~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/executor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/executor.hpp
index 24a12c0..cb4fc71 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/executor.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/executor.hpp
@@ -2,7 +2,7 @@
 // ts/executor.hpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -15,7 +15,6 @@
 # pragma once
 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
 
-#include "asio/handler_type.hpp"
 #include "asio/async_result.hpp"
 #include "asio/associated_allocator.hpp"
 #include "asio/execution_context.hpp"
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/internet.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/internet.hpp
index 8c1f89f..5b9e231 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/internet.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/internet.hpp
@@ -2,7 +2,7 @@
 // ts/internet.hpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/io_context.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/io_context.hpp
index d82db95..f293b63 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/io_context.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/io_context.hpp
@@ -2,7 +2,7 @@
 // ts/io_context.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/net.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/net.hpp
index 1ea7c95..1d0237b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/net.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/net.hpp
@@ -2,7 +2,7 @@
 // ts/net.hpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/netfwd.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/netfwd.hpp
index b0e75bc..b7482ac 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/netfwd.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/netfwd.hpp
@@ -2,7 +2,7 @@
 // ts/netfwd.hpp
 // ~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -58,26 +58,12 @@ struct time_traits;
 
 #endif // defined(ASIO_HAS_BOOST_DATE_TIME)
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-template <typename Clock, typename WaitTraits>
-class waitable_timer_service;
-
-#if defined(ASIO_HAS_BOOST_DATE_TIME)
-
-template <typename TimeType, typename TimeTraits>
-class deadline_timer_service;
-
-#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #if !defined(ASIO_BASIC_WAITABLE_TIMER_FWD_DECL)
 #define ASIO_BASIC_WAITABLE_TIMER_FWD_DECL
 
 template <typename Clock,
-    typename WaitTraits = asio::wait_traits<Clock>
-    ASIO_SVC_TPARAM_DEF2(= waitable_timer_service<Clock, WaitTraits>)>
+    typename WaitTraits = wait_traits<Clock>,
+    typename Executor = executor>
 class basic_waitable_timer;
 
 #endif // !defined(ASIO_BASIC_WAITABLE_TIMER_FWD_DECL)
@@ -93,33 +79,51 @@ typedef basic_waitable_timer<chrono::high_resolution_clock>
 
 #endif // defined(ASIO_HAS_CHRONO)
 
-template <class Protocol ASIO_SVC_TPARAM>
+#if !defined(ASIO_BASIC_SOCKET_FWD_DECL)
+#define ASIO_BASIC_SOCKET_FWD_DECL
+
+template <typename Protocol, typename Executor = executor>
 class basic_socket;
 
-template <typename Protocol ASIO_SVC_TPARAM>
+#endif // !defined(ASIO_BASIC_SOCKET_FWD_DECL)
+
+#if !defined(ASIO_BASIC_DATAGRAM_SOCKET_FWD_DECL)
+#define ASIO_BASIC_DATAGRAM_SOCKET_FWD_DECL
+
+template <typename Protocol, typename Executor = executor>
 class basic_datagram_socket;
 
-template <typename Protocol ASIO_SVC_TPARAM>
+#endif // !defined(ASIO_BASIC_DATAGRAM_SOCKET_FWD_DECL)
+
+#if !defined(ASIO_BASIC_STREAM_SOCKET_FWD_DECL)
+#define ASIO_BASIC_STREAM_SOCKET_FWD_DECL
+
+// Forward declaration with defaulted arguments.
+template <typename Protocol, typename Executor = executor>
 class basic_stream_socket;
 
-template <typename Protocol ASIO_SVC_TPARAM>
+#endif // !defined(ASIO_BASIC_STREAM_SOCKET_FWD_DECL)
+
+#if !defined(ASIO_BASIC_SOCKET_ACCEPTOR_FWD_DECL)
+#define ASIO_BASIC_SOCKET_ACCEPTOR_FWD_DECL
+
+template <typename Protocol, typename Executor = executor>
 class basic_socket_acceptor;
 
+#endif // !defined(ASIO_BASIC_SOCKET_ACCEPTOR_FWD_DECL)
+
 #if !defined(ASIO_BASIC_SOCKET_STREAMBUF_FWD_DECL)
 #define ASIO_BASIC_SOCKET_STREAMBUF_FWD_DECL
 
 // Forward declaration with defaulted arguments.
-template <typename Protocol
-    ASIO_SVC_TPARAM_DEF1(= stream_socket_service<Protocol>),
+template <typename Protocol,
 #if defined(ASIO_HAS_BOOST_DATE_TIME) \
   || defined(GENERATING_DOCUMENTATION)
     typename Clock = boost::posix_time::ptime,
-    typename WaitTraits = time_traits<Clock>
-    ASIO_SVC_TPARAM1_DEF2(= deadline_timer_service<Clock, WaitTraits>)>
+    typename WaitTraits = time_traits<Clock> >
 #else
     typename Clock = chrono::steady_clock,
-    typename WaitTraits = wait_traits<Clock>
-    ASIO_SVC_TPARAM1_DEF1(= steady_timer::service_type)>
+    typename WaitTraits = wait_traits<Clock> >
 #endif
 class basic_socket_streambuf;
 
@@ -129,17 +133,14 @@ class basic_socket_streambuf;
 #define ASIO_BASIC_SOCKET_IOSTREAM_FWD_DECL
 
 // Forward declaration with defaulted arguments.
-template <typename Protocol
-    ASIO_SVC_TPARAM_DEF1(= stream_socket_service<Protocol>),
+template <typename Protocol,
 #if defined(ASIO_HAS_BOOST_DATE_TIME) \
   || defined(GENERATING_DOCUMENTATION)
     typename Clock = boost::posix_time::ptime,
-    typename WaitTraits = time_traits<Clock>
-    ASIO_SVC_TPARAM1_DEF2(= deadline_timer_service<Clock, WaitTraits>)>
+    typename WaitTraits = time_traits<Clock> >
 #else
     typename Clock = chrono::steady_clock,
-    typename WaitTraits = wait_traits<Clock>
-    ASIO_SVC_TPARAM1_DEF1(= steady_timer::service_type)>
+    typename WaitTraits = wait_traits<Clock> >
 #endif
 class basic_socket_iostream;
 
@@ -180,9 +181,14 @@ class basic_resolver_entry;
 template <typename InternetProtocol>
 class basic_resolver_results;
 
-template <typename InternetProtocol ASIO_SVC_TPARAM>
+#if !defined(ASIO_IP_BASIC_RESOLVER_FWD_DECL)
+#define ASIO_IP_BASIC_RESOLVER_FWD_DECL
+
+template <typename InternetProtocol, typename Executor = executor>
 class basic_resolver;
 
+#endif // !defined(ASIO_IP_BASIC_RESOLVER_FWD_DECL)
+
 class tcp;
 
 class udp;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/socket.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/socket.hpp
index c9002c0..5084eb5 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/socket.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/socket.hpp
@@ -2,7 +2,7 @@
 // ts/socket.hpp
 // ~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/timer.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/timer.hpp
index 487422e..4567dbf 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/timer.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/ts/timer.hpp
@@ -2,7 +2,7 @@
 // ts/timer.hpp
 // ~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/unyield.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/unyield.hpp
index 3753981..c6874d5 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/unyield.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/unyield.hpp
@@ -2,7 +2,7 @@
 // unyield.hpp
 // ~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/use_awaitable.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/use_awaitable.hpp
new file mode 100644
index 0000000..8d8a049
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/use_awaitable.hpp
@@ -0,0 +1,71 @@
+//
+// use_awaitable.hpp
+// ~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_USE_AWAITABLE_HPP
+#define ASIO_USE_AWAITABLE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+
+#if defined(ASIO_HAS_CO_AWAIT) || defined(GENERATING_DOCUMENTATION)
+
+#include "asio/awaitable.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+
+/// A completion token that represents the currently executing coroutine.
+/**
+ * The @c use_awaitable_t class, with its value @c use_awaitable, is used to
+ * represent the currently executing coroutine. This completion token may be
+ * passed as a handler to an asynchronous operation. For example:
+ *
+ * @code awaitable<void> my_coroutine()
+ * {
+ *   std::size_t n = co_await my_socket.async_read_some(buffer, use_awaitable);
+ *   ...
+ * } @endcode
+ *
+ * When used with co_await, the initiating function (@c async_read_some in the
+ * above example) suspends the current coroutine. The coroutine is resumed when
+ * the asynchronous operation completes, and the result of the operation is
+ * returned.
+ */
+template <typename Executor = executor>
+struct use_awaitable_t
+{
+  ASIO_CONSTEXPR use_awaitable_t()
+  {
+  }
+};
+
+/// A completion token object that represents the currently executing coroutine.
+/**
+ * See the documentation for asio::use_awaitable_t for a usage example.
+ */
+#if defined(ASIO_HAS_CONSTEXPR) || defined(GENERATING_DOCUMENTATION)
+constexpr use_awaitable_t<> use_awaitable;
+#elif defined(ASIO_MSVC)
+__declspec(selectany) use_awaitable_t<> use_awaitable;
+#endif
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/impl/use_awaitable.hpp"
+
+#endif // defined(ASIO_HAS_CO_AWAIT) || defined(GENERATING_DOCUMENTATION)
+
+#endif // ASIO_USE_AWAITABLE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/use_future.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/use_future.hpp
index 42e33e4..79d9c56 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/use_future.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/use_future.hpp
@@ -2,7 +2,7 @@
 // use_future.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -16,8 +16,9 @@
 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
 
 #include "asio/detail/config.hpp"
+#include "asio/detail/future.hpp"
 
-#if defined(ASIO_HAS_STD_FUTURE) \
+#if defined(ASIO_HAS_STD_FUTURE_CLASS) \
   || defined(GENERATING_DOCUMENTATION)
 
 #include <memory>
@@ -153,7 +154,7 @@ __declspec(selectany) use_future_t<> use_future;
 
 #include "asio/impl/use_future.hpp"
 
-#endif // defined(ASIO_HAS_STD_FUTURE)
+#endif // defined(ASIO_HAS_STD_FUTURE_CLASS)
        //   || defined(GENERATING_DOCUMENTATION)
 
 #endif // ASIO_USE_FUTURE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/uses_executor.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/uses_executor.hpp
index 455a8c6..9a23a1a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/uses_executor.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/uses_executor.hpp
@@ -2,7 +2,7 @@
 // uses_executor.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/version.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/version.hpp
index 9c9439b..cdd175f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/version.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/version.hpp
@@ -2,7 +2,7 @@
 // version.hpp
 // ~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -18,6 +18,6 @@
 // ASIO_VERSION % 100 is the sub-minor version
 // ASIO_VERSION / 100 % 1000 is the minor version
 // ASIO_VERSION / 100000 is the major version
-#define ASIO_VERSION 101200 // 1.12.0
+#define ASIO_VERSION 101300 // 1.13.0
 
 #endif // ASIO_VERSION_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/wait_traits.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/wait_traits.hpp
index e27a735..5e64abf 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/wait_traits.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/wait_traits.hpp
@@ -2,7 +2,7 @@
 // wait_traits.hpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/waitable_timer_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/waitable_timer_service.hpp
deleted file mode 100644
index f8e99ba..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/waitable_timer_service.hpp
+++ /dev/null
@@ -1,210 +0,0 @@
-//
-// waitable_timer_service.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef ASIO_WAITABLE_TIMER_SERVICE_HPP
-#define ASIO_WAITABLE_TIMER_SERVICE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#include <cstddef>
-#include "asio/async_result.hpp"
-#include "asio/detail/chrono_time_traits.hpp"
-#include "asio/detail/deadline_timer_service.hpp"
-#include "asio/io_context.hpp"
-#include "asio/wait_traits.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-
-/// Default service implementation for a timer.
-template <typename Clock,
-    typename WaitTraits = asio::wait_traits<Clock> >
-class waitable_timer_service
-#if defined(GENERATING_DOCUMENTATION)
-  : public asio::io_context::service
-#else
-  : public asio::detail::service_base<
-      waitable_timer_service<Clock, WaitTraits> >
-#endif
-{
-public:
-#if defined(GENERATING_DOCUMENTATION)
-  /// The unique service identifier.
-  static asio::io_context::id id;
-#endif
-
-  /// The clock type.
-  typedef Clock clock_type;
-
-  /// The duration type of the clock.
-  typedef typename clock_type::duration duration;
-
-  /// The time point type of the clock.
-  typedef typename clock_type::time_point time_point;
-
-  /// The wait traits type.
-  typedef WaitTraits traits_type;
-
-private:
-  // The type of the platform-specific implementation.
-  typedef detail::deadline_timer_service<
-    detail::chrono_time_traits<Clock, WaitTraits> > service_impl_type;
-
-public:
-  /// The implementation type of the waitable timer.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined implementation_type;
-#else
-  typedef typename service_impl_type::implementation_type implementation_type;
-#endif
-
-  /// Construct a new timer service for the specified io_context.
-  explicit waitable_timer_service(asio::io_context& io_context)
-    : asio::detail::service_base<
-        waitable_timer_service<Clock, WaitTraits> >(io_context),
-      service_impl_(io_context)
-  {
-  }
-
-  /// Construct a new timer implementation.
-  void construct(implementation_type& impl)
-  {
-    service_impl_.construct(impl);
-  }
-
-  /// Destroy a timer implementation.
-  void destroy(implementation_type& impl)
-  {
-    service_impl_.destroy(impl);
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a new timer implementation.
-  void move_construct(implementation_type& impl,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_construct(impl, other_impl);
-  }
-
-  /// Move-assign from another timer implementation.
-  void move_assign(implementation_type& impl,
-      waitable_timer_service& other_service,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_assign(impl, other_service.service_impl_, other_impl);
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-  /// Cancel any asynchronous wait operations associated with the timer.
-  std::size_t cancel(implementation_type& impl, asio::error_code& ec)
-  {
-    return service_impl_.cancel(impl, ec);
-  }
-
-  /// Cancels one asynchronous wait operation associated with the timer.
-  std::size_t cancel_one(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    return service_impl_.cancel_one(impl, ec);
-  }
-
-#if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated: Use expiry().) Get the expiry time for the timer as an
-  /// absolute time.
-  time_point expires_at(const implementation_type& impl) const
-  {
-    return service_impl_.expiry(impl);
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
-  /// Get the expiry time for the timer as an absolute time.
-  time_point expiry(const implementation_type& impl) const
-  {
-    return service_impl_.expiry(impl);
-  }
-
-  /// Set the expiry time for the timer as an absolute time.
-  std::size_t expires_at(implementation_type& impl,
-      const time_point& expiry_time, asio::error_code& ec)
-  {
-    return service_impl_.expires_at(impl, expiry_time, ec);
-  }
-
-  /// Set the expiry time for the timer relative to now.
-  std::size_t expires_after(implementation_type& impl,
-      const duration& expiry_time, asio::error_code& ec)
-  {
-    return service_impl_.expires_after(impl, expiry_time, ec);
-  }
-
-#if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated: Use expiry().) Get the expiry time for the timer relative to
-  /// now.
-  duration expires_from_now(const implementation_type& impl) const
-  {
-    typedef detail::chrono_time_traits<Clock, WaitTraits> traits;
-    return traits::subtract(service_impl_.expiry(impl), traits::now());
-  }
-
-  /// (Deprecated: Use expires_after().) Set the expiry time for the timer
-  /// relative to now.
-  std::size_t expires_from_now(implementation_type& impl,
-      const duration& expiry_time, asio::error_code& ec)
-  {
-    return service_impl_.expires_after(impl, expiry_time, ec);
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
-  // Perform a blocking wait on the timer.
-  void wait(implementation_type& impl, asio::error_code& ec)
-  {
-    service_impl_.wait(impl, ec);
-  }
-
-  // Start an asynchronous wait on the timer.
-  template <typename WaitHandler>
-  ASIO_INITFN_RESULT_TYPE(WaitHandler,
-      void (asio::error_code))
-  async_wait(implementation_type& impl,
-      ASIO_MOVE_ARG(WaitHandler) handler)
-  {
-    async_completion<WaitHandler,
-      void (asio::error_code)> init(handler);
-
-    service_impl_.async_wait(impl, init.completion_handler);
-
-    return init.result.get();
-  }
-
-private:
-  // Destroy all user-defined handler objects owned by the service.
-  void shutdown()
-  {
-    service_impl_.shutdown();
-  }
-
-  // The platform-specific implementation.
-  service_impl_type service_impl_;
-};
-
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_WAITABLE_TIMER_SERVICE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/basic_handle.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/basic_handle.hpp
deleted file mode 100644
index 966a1b2..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/basic_handle.hpp
+++ /dev/null
@@ -1,273 +0,0 @@
-//
-// windows/basic_handle.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef ASIO_WINDOWS_BASIC_HANDLE_HPP
-#define ASIO_WINDOWS_BASIC_HANDLE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#if defined(ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE) \
-  || defined(ASIO_HAS_WINDOWS_STREAM_HANDLE) \
-  || defined(ASIO_HAS_WINDOWS_OBJECT_HANDLE) \
-  || defined(GENERATING_DOCUMENTATION)
-
-#include "asio/basic_io_object.hpp"
-#include "asio/detail/throw_error.hpp"
-#include "asio/error.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace windows {
-
-/// Provides Windows handle functionality.
-/**
- * The windows::basic_handle class template provides the ability to wrap a
- * Windows handle.
- *
- * @par Thread Safety
- * @e Distinct @e objects: Safe.@n
- * @e Shared @e objects: Unsafe.
- */
-template <typename HandleService>
-class basic_handle
-  : public basic_io_object<HandleService>
-{
-public:
-  /// The native representation of a handle.
-  typedef typename HandleService::native_handle_type native_handle_type;
-
-  /// A basic_handle is always the lowest layer.
-  typedef basic_handle<HandleService> lowest_layer_type;
-
-  /// Construct a basic_handle without opening it.
-  /**
-   * This constructor creates a handle without opening it.
-   *
-   * @param io_context The io_context object that the handle will use to
-   * dispatch handlers for any asynchronous operations performed on the handle.
-   */
-  explicit basic_handle(asio::io_context& io_context)
-    : basic_io_object<HandleService>(io_context)
-  {
-  }
-
-  /// Construct a basic_handle on an existing native handle.
-  /**
-   * This constructor creates a handle object to hold an existing native handle.
-   *
-   * @param io_context The io_context object that the handle will use to
-   * dispatch handlers for any asynchronous operations performed on the handle.
-   *
-   * @param handle A native handle.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  basic_handle(asio::io_context& io_context,
-      const native_handle_type& handle)
-    : basic_io_object<HandleService>(io_context)
-  {
-    asio::error_code ec;
-    this->get_service().assign(this->get_implementation(), handle, ec);
-    asio::detail::throw_error(ec, "assign");
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a basic_handle from another.
-  /**
-   * This constructor moves a handle from one object to another.
-   *
-   * @param other The other basic_handle object from which the move will occur.
-   *
-   * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_handle(io_context&) constructor.
-   */
-  basic_handle(basic_handle&& other)
-    : basic_io_object<HandleService>(
-        ASIO_MOVE_CAST(basic_handle)(other))
-  {
-  }
-
-  /// Move-assign a basic_handle from another.
-  /**
-   * This assignment operator moves a handle from one object to another.
-   *
-   * @param other The other basic_handle object from which the move will occur.
-   *
-   * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_handle(io_context&) constructor.
-   */
-  basic_handle& operator=(basic_handle&& other)
-  {
-    basic_io_object<HandleService>::operator=(
-        ASIO_MOVE_CAST(basic_handle)(other));
-    return *this;
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-  /// Get a reference to the lowest layer.
-  /**
-   * This function returns a reference to the lowest layer in a stack of
-   * layers. Since a basic_handle cannot contain any further layers, it simply
-   * returns a reference to itself.
-   *
-   * @return A reference to the lowest layer in the stack of layers. Ownership
-   * is not transferred to the caller.
-   */
-  lowest_layer_type& lowest_layer()
-  {
-    return *this;
-  }
-
-  /// Get a const reference to the lowest layer.
-  /**
-   * This function returns a const reference to the lowest layer in a stack of
-   * layers. Since a basic_handle cannot contain any further layers, it simply
-   * returns a reference to itself.
-   *
-   * @return A const reference to the lowest layer in the stack of layers.
-   * Ownership is not transferred to the caller.
-   */
-  const lowest_layer_type& lowest_layer() const
-  {
-    return *this;
-  }
-
-  /// Assign an existing native handle to the handle.
-  /*
-   * This function opens the handle to hold an existing native handle.
-   *
-   * @param handle A native handle.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void assign(const native_handle_type& handle)
-  {
-    asio::error_code ec;
-    this->get_service().assign(this->get_implementation(), handle, ec);
-    asio::detail::throw_error(ec, "assign");
-  }
-
-  /// Assign an existing native handle to the handle.
-  /*
-   * This function opens the handle to hold an existing native handle.
-   *
-   * @param handle A native handle.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID assign(const native_handle_type& handle,
-      asio::error_code& ec)
-  {
-    this->get_service().assign(this->get_implementation(), handle, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the handle is open.
-  bool is_open() const
-  {
-    return this->get_service().is_open(this->get_implementation());
-  }
-
-  /// Close the handle.
-  /**
-   * This function is used to close the handle. Any asynchronous read or write
-   * operations will be cancelled immediately, and will complete with the
-   * asio::error::operation_aborted error.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void close()
-  {
-    asio::error_code ec;
-    this->get_service().close(this->get_implementation(), ec);
-    asio::detail::throw_error(ec, "close");
-  }
-
-  /// Close the handle.
-  /**
-   * This function is used to close the handle. Any asynchronous read or write
-   * operations will be cancelled immediately, and will complete with the
-   * asio::error::operation_aborted error.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID close(asio::error_code& ec)
-  {
-    this->get_service().close(this->get_implementation(), ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get the native handle representation.
-  /**
-   * This function may be used to obtain the underlying representation of the
-   * handle. This is intended to allow access to native handle functionality
-   * that is not otherwise provided.
-   */
-  native_handle_type native_handle()
-  {
-    return this->get_service().native_handle(this->get_implementation());
-  }
-
-  /// Cancel all asynchronous operations associated with the handle.
-  /**
-   * This function causes all outstanding asynchronous read or write operations
-   * to finish immediately, and the handlers for cancelled operations will be
-   * passed the asio::error::operation_aborted error.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void cancel()
-  {
-    asio::error_code ec;
-    this->get_service().cancel(this->get_implementation(), ec);
-    asio::detail::throw_error(ec, "cancel");
-  }
-
-  /// Cancel all asynchronous operations associated with the handle.
-  /**
-   * This function causes all outstanding asynchronous read or write operations
-   * to finish immediately, and the handlers for cancelled operations will be
-   * passed the asio::error::operation_aborted error.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID cancel(asio::error_code& ec)
-  {
-    this->get_service().cancel(this->get_implementation(), ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-protected:
-  /// Protected destructor to prevent deletion through this type.
-  ~basic_handle()
-  {
-  }
-};
-
-} // namespace windows
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE)
-       //   || defined(ASIO_HAS_WINDOWS_STREAM_HANDLE)
-       //   || defined(ASIO_HAS_WINDOWS_OBJECT_HANDLE)
-       //   || defined(GENERATING_DOCUMENTATION)
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_WINDOWS_BASIC_HANDLE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/basic_object_handle.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/basic_object_handle.hpp
index a260373..55661f3 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/basic_object_handle.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/basic_object_handle.hpp
@@ -2,7 +2,7 @@
 // windows/basic_object_handle.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2011 Boris Schaeling (boris@highscore.de)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -18,15 +18,20 @@
 
 #include "asio/detail/config.hpp"
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
 #if defined(ASIO_HAS_WINDOWS_OBJECT_HANDLE) \
   || defined(GENERATING_DOCUMENTATION)
 
+#include "asio/async_result.hpp"
+#include "asio/detail/io_object_impl.hpp"
 #include "asio/detail/throw_error.hpp"
+#include "asio/detail/win_object_handle_service.hpp"
 #include "asio/error.hpp"
-#include "asio/windows/basic_handle.hpp"
-#include "asio/windows/object_handle_service.hpp"
+#include "asio/execution_context.hpp"
+#include "asio/executor.hpp"
+
+#if defined(ASIO_HAS_MOVE)
+# include <utility>
+#endif // defined(ASIO_HAS_MOVE)
 
 #include "asio/detail/push_options.hpp"
 
@@ -35,86 +40,284 @@ namespace windows {
 
 /// Provides object-oriented handle functionality.
 /**
- * The windows::basic_object_handle class template provides asynchronous and
- * blocking object-oriented handle functionality.
+ * The windows::basic_object_handle class provides asynchronous and blocking
+ * object-oriented handle functionality.
  *
  * @par Thread Safety
  * @e Distinct @e objects: Safe.@n
  * @e Shared @e objects: Unsafe.
  */
-template <typename ObjectHandleService = object_handle_service>
+template <typename Executor = executor>
 class basic_object_handle
-  : public basic_handle<ObjectHandleService>
 {
 public:
-  /// The native representation of a handle.
-  typedef typename ObjectHandleService::native_handle_type native_handle_type;
+  /// The type of the executor associated with the object.
+  typedef Executor executor_type;
 
-  /// Construct a basic_object_handle without opening it.
+  /// The native representation of a handle.
+#if defined(GENERATING_DOCUMENTATION)
+  typedef implementation_defined native_handle_type;
+#else
+  typedef asio::detail::win_object_handle_service::native_handle_type
+    native_handle_type;
+#endif
+
+  /// An object handle is always the lowest layer.
+  typedef basic_object_handle lowest_layer_type;
+
+  /// Construct an object handle without opening it.
   /**
    * This constructor creates an object handle without opening it.
    *
-   * @param io_context The io_context object that the object handle will use to
-   * dispatch handlers for any asynchronous operations performed on the handle.
+   * @param ex The I/O executor that the object handle will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
+   * object handle.
    */
-  explicit basic_object_handle(asio::io_context& io_context)
-    : basic_handle<ObjectHandleService>(io_context)
+  explicit basic_object_handle(const executor_type& ex)
+    : impl_(ex)
   {
   }
 
-  /// Construct a basic_object_handle on an existing native handle.
+  /// Construct an object handle without opening it.
+  /**
+   * This constructor creates an object handle without opening it.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the object handle will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the object handle.
+   */
+  template <typename ExecutionContext>
+  explicit basic_object_handle(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value,
+        basic_object_handle
+      >::type* = 0)
+    : impl_(context)
+  {
+  }
+
+  /// Construct an object handle on an existing native handle.
   /**
    * This constructor creates an object handle object to hold an existing native
    * handle.
    *
-   * @param io_context The io_context object that the object handle will use to
-   * dispatch handlers for any asynchronous operations performed on the handle.
+   * @param ex The I/O executor that the object handle will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
+   * object handle.
    *
    * @param native_handle The new underlying handle implementation.
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_object_handle(asio::io_context& io_context,
+  basic_object_handle(const executor_type& ex,
       const native_handle_type& native_handle)
-    : basic_handle<ObjectHandleService>(io_context, native_handle)
+    : impl_(ex)
   {
+    asio::error_code ec;
+    impl_.get_service().assign(impl_.get_implementation(), native_handle, ec);
+    asio::detail::throw_error(ec, "assign");
+  }
+
+  /// Construct an object handle on an existing native handle.
+  /**
+   * This constructor creates an object handle object to hold an existing native
+   * handle.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the object handle will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the object handle.
+   *
+   * @param native_handle The new underlying handle implementation.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_object_handle(ExecutionContext& context,
+      const native_handle_type& native_handle,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    impl_.get_service().assign(impl_.get_implementation(), native_handle, ec);
+    asio::detail::throw_error(ec, "assign");
   }
 
 #if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a basic_object_handle from another.
+  /// Move-construct an object handle from another.
   /**
    * This constructor moves an object handle from one object to another.
    *
-   * @param other The other basic_object_handle object from which the move will
+   * @param other The other object handle object from which the move will
    * occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_object_handle(io_context&) constructor.
+   * constructed using the @c basic_object_handle(const executor_type&)
+   * constructor.
    */
   basic_object_handle(basic_object_handle&& other)
-    : basic_handle<ObjectHandleService>(
-        ASIO_MOVE_CAST(basic_object_handle)(other))
+    : impl_(std::move(other.impl_))
   {
   }
 
-  /// Move-assign a basic_object_handle from another.
+  /// Move-assign an object handle from another.
   /**
    * This assignment operator moves an object handle from one object to another.
    *
-   * @param other The other basic_object_handle object from which the move will
+   * @param other The other object handle object from which the move will
    * occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_object_handle(io_context&) constructor.
+   * constructed using the @c basic_object_handle(const executor_type&)
+   * constructor.
    */
   basic_object_handle& operator=(basic_object_handle&& other)
   {
-    basic_handle<ObjectHandleService>::operator=(
-        ASIO_MOVE_CAST(basic_object_handle)(other));
+    impl_ = std::move(other.impl_);
     return *this;
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
 
+  /// Get the executor associated with the object.
+  executor_type get_executor() ASIO_NOEXCEPT
+  {
+    return impl_.get_executor();
+  }
+
+  /// Get a reference to the lowest layer.
+  /**
+   * This function returns a reference to the lowest layer in a stack of
+   * layers. Since an object handle cannot contain any further layers, it simply
+   * returns a reference to itself.
+   *
+   * @return A reference to the lowest layer in the stack of layers. Ownership
+   * is not transferred to the caller.
+   */
+  lowest_layer_type& lowest_layer()
+  {
+    return *this;
+  }
+
+  /// Get a const reference to the lowest layer.
+  /**
+   * This function returns a const reference to the lowest layer in a stack of
+   * layers. Since an object handle cannot contain any further layers, it simply
+   * returns a reference to itself.
+   *
+   * @return A const reference to the lowest layer in the stack of layers.
+   * Ownership is not transferred to the caller.
+   */
+  const lowest_layer_type& lowest_layer() const
+  {
+    return *this;
+  }
+
+  /// Assign an existing native handle to the handle.
+  /*
+   * This function opens the handle to hold an existing native handle.
+   *
+   * @param handle A native handle.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  void assign(const native_handle_type& handle)
+  {
+    asio::error_code ec;
+    impl_.get_service().assign(impl_.get_implementation(), handle, ec);
+    asio::detail::throw_error(ec, "assign");
+  }
+
+  /// Assign an existing native handle to the handle.
+  /*
+   * This function opens the handle to hold an existing native handle.
+   *
+   * @param handle A native handle.
+   *
+   * @param ec Set to indicate what error occurred, if any.
+   */
+  ASIO_SYNC_OP_VOID assign(const native_handle_type& handle,
+      asio::error_code& ec)
+  {
+    impl_.get_service().assign(impl_.get_implementation(), handle, ec);
+    ASIO_SYNC_OP_VOID_RETURN(ec);
+  }
+
+  /// Determine whether the handle is open.
+  bool is_open() const
+  {
+    return impl_.get_service().is_open(impl_.get_implementation());
+  }
+
+  /// Close the handle.
+  /**
+   * This function is used to close the handle. Any asynchronous read or write
+   * operations will be cancelled immediately, and will complete with the
+   * asio::error::operation_aborted error.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  void close()
+  {
+    asio::error_code ec;
+    impl_.get_service().close(impl_.get_implementation(), ec);
+    asio::detail::throw_error(ec, "close");
+  }
+
+  /// Close the handle.
+  /**
+   * This function is used to close the handle. Any asynchronous read or write
+   * operations will be cancelled immediately, and will complete with the
+   * asio::error::operation_aborted error.
+   *
+   * @param ec Set to indicate what error occurred, if any.
+   */
+  ASIO_SYNC_OP_VOID close(asio::error_code& ec)
+  {
+    impl_.get_service().close(impl_.get_implementation(), ec);
+    ASIO_SYNC_OP_VOID_RETURN(ec);
+  }
+
+  /// Get the native handle representation.
+  /**
+   * This function may be used to obtain the underlying representation of the
+   * handle. This is intended to allow access to native handle functionality
+   * that is not otherwise provided.
+   */
+  native_handle_type native_handle()
+  {
+    return impl_.get_service().native_handle(impl_.get_implementation());
+  }
+
+  /// Cancel all asynchronous operations associated with the handle.
+  /**
+   * This function causes all outstanding asynchronous read or write operations
+   * to finish immediately, and the handlers for cancelled operations will be
+   * passed the asio::error::operation_aborted error.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  void cancel()
+  {
+    asio::error_code ec;
+    impl_.get_service().cancel(impl_.get_implementation(), ec);
+    asio::detail::throw_error(ec, "cancel");
+  }
+
+  /// Cancel all asynchronous operations associated with the handle.
+  /**
+   * This function causes all outstanding asynchronous read or write operations
+   * to finish immediately, and the handlers for cancelled operations will be
+   * passed the asio::error::operation_aborted error.
+   *
+   * @param ec Set to indicate what error occurred, if any.
+   */
+  ASIO_SYNC_OP_VOID cancel(asio::error_code& ec)
+  {
+    impl_.get_service().cancel(impl_.get_implementation(), ec);
+    ASIO_SYNC_OP_VOID_RETURN(ec);
+  }
+
   /// Perform a blocking wait on the object handle.
   /**
    * This function is used to wait for the object handle to be set to the
@@ -126,7 +329,7 @@ public:
   void wait()
   {
     asio::error_code ec;
-    this->get_service().wait(this->get_implementation(), ec);
+    impl_.get_service().wait(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "wait");
   }
 
@@ -140,7 +343,7 @@ public:
    */
   void wait(asio::error_code& ec)
   {
-    this->get_service().wait(this->get_implementation(), ec);
+    impl_.get_service().wait(impl_.get_implementation(), ec);
   }
 
   /// Start an asynchronous wait on the object handle.
@@ -155,18 +358,31 @@ public:
    *   const asio::error_code& error // Result of operation.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    */
   template <typename WaitHandler>
   ASIO_INITFN_RESULT_TYPE(WaitHandler,
       void (asio::error_code))
   async_wait(ASIO_MOVE_ARG(WaitHandler) handler)
   {
-    return this->get_service().async_wait(this->get_implementation(),
-        ASIO_MOVE_CAST(WaitHandler)(handler));
+    asio::async_completion<WaitHandler,
+      void (asio::error_code)> init(handler);
+
+    impl_.get_service().async_wait(impl_.get_implementation(),
+        init.completion_handler, impl_.get_implementation_executor());
+
+    return init.result.get();
   }
+
+private:
+  // Disallow copying and assignment.
+  basic_object_handle(const basic_object_handle&) ASIO_DELETED;
+  basic_object_handle& operator=(const basic_object_handle&) ASIO_DELETED;
+
+  asio::detail::io_object_impl<
+    asio::detail::win_object_handle_service, Executor> impl_;
 };
 
 } // namespace windows
@@ -177,6 +393,4 @@ public:
 #endif // defined(ASIO_HAS_WINDOWS_OBJECT_HANDLE)
        //   || defined(GENERATING_DOCUMENTATION)
 
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #endif // ASIO_WINDOWS_BASIC_OBJECT_HANDLE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/basic_overlapped_handle.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/basic_overlapped_handle.hpp
new file mode 100644
index 0000000..7681b7a
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/basic_overlapped_handle.hpp
@@ -0,0 +1,353 @@
+//
+// windows/basic_overlapped_handle.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_WINDOWS_BASIC_OVERLAPPED_HANDLE_HPP
+#define ASIO_WINDOWS_BASIC_OVERLAPPED_HANDLE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+
+#if defined(ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE) \
+  || defined(ASIO_HAS_WINDOWS_STREAM_HANDLE) \
+  || defined(GENERATING_DOCUMENTATION)
+
+#include <cstddef>
+#include "asio/async_result.hpp"
+#include "asio/detail/io_object_impl.hpp"
+#include "asio/detail/throw_error.hpp"
+#include "asio/detail/win_iocp_handle_service.hpp"
+#include "asio/error.hpp"
+#include "asio/execution_context.hpp"
+#include "asio/executor.hpp"
+
+#if defined(ASIO_HAS_MOVE)
+# include <utility>
+#endif // defined(ASIO_HAS_MOVE)
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace windows {
+
+/// Provides Windows handle functionality for objects that support
+/// overlapped I/O.
+/**
+ * The windows::overlapped_handle class provides the ability to wrap a Windows
+ * handle. The underlying object referred to by the handle must support
+ * overlapped I/O.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ */
+template <typename Executor = executor>
+class basic_overlapped_handle
+{
+public:
+  /// The type of the executor associated with the object.
+  typedef Executor executor_type;
+
+  /// The native representation of a handle.
+#if defined(GENERATING_DOCUMENTATION)
+  typedef implementation_defined native_handle_type;
+#else
+  typedef asio::detail::win_iocp_handle_service::native_handle_type
+    native_handle_type;
+#endif
+
+  /// An overlapped_handle is always the lowest layer.
+  typedef basic_overlapped_handle lowest_layer_type;
+
+  /// Construct an overlapped handle without opening it.
+  /**
+   * This constructor creates an overlapped handle without opening it.
+   *
+   * @param ex The I/O executor that the overlapped handle will use, by default,
+   * to dispatch handlers for any asynchronous operations performed on the
+   * overlapped handle.
+   */
+  explicit basic_overlapped_handle(const executor_type& ex)
+    : impl_(ex)
+  {
+  }
+
+  /// Construct an overlapped handle without opening it.
+  /**
+   * This constructor creates an overlapped handle without opening it.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the overlapped handle will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the overlapped handle.
+   */
+  template <typename ExecutionContext>
+  explicit basic_overlapped_handle(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value,
+        basic_overlapped_handle
+      >::type* = 0)
+    : impl_(context)
+  {
+  }
+
+  /// Construct an overlapped handle on an existing native handle.
+  /**
+   * This constructor creates an overlapped handle object to hold an existing
+   * native handle.
+   *
+   * @param ex The I/O executor that the overlapped handle will use, by default,
+   * to dispatch handlers for any asynchronous operations performed on the
+   * overlapped handle.
+   *
+   * @param native_handle The new underlying handle implementation.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  basic_overlapped_handle(const executor_type& ex,
+      const native_handle_type& native_handle)
+    : impl_(ex)
+  {
+    asio::error_code ec;
+    impl_.get_service().assign(impl_.get_implementation(), native_handle, ec);
+    asio::detail::throw_error(ec, "assign");
+  }
+
+  /// Construct an overlapped handle on an existing native handle.
+  /**
+   * This constructor creates an overlapped handle object to hold an existing
+   * native handle.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the overlapped handle will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the overlapped handle.
+   *
+   * @param native_handle The new underlying handle implementation.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_overlapped_handle(ExecutionContext& context,
+      const native_handle_type& native_handle,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    impl_.get_service().assign(impl_.get_implementation(), native_handle, ec);
+    asio::detail::throw_error(ec, "assign");
+  }
+
+#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+  /// Move-construct an overlapped handle from another.
+  /**
+   * This constructor moves a handle from one object to another.
+   *
+   * @param other The other overlapped handle object from which the move will
+   * occur.
+   *
+   * @note Following the move, the moved-from object is in the same state as if
+   * constructed using the @c overlapped_handle(const executor_type&)
+   * constructor.
+   */
+  basic_overlapped_handle(basic_overlapped_handle&& other)
+    : impl_(std::move(other.impl_))
+  {
+  }
+
+  /// Move-assign an overlapped handle from another.
+  /**
+   * This assignment operator moves a handle from one object to another.
+   *
+   * @param other The other overlapped handle object from which the move will
+   * occur.
+   *
+   * @note Following the move, the moved-from object is in the same state as if
+   * constructed using the @c overlapped_handle(const executor_type&)
+   * constructor.
+   */
+  basic_overlapped_handle& operator=(basic_overlapped_handle&& other)
+  {
+    impl_ = std::move(other.impl_);
+    return *this;
+  }
+#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+
+  /// Get the executor associated with the object.
+  executor_type get_executor() ASIO_NOEXCEPT
+  {
+    return impl_.get_executor();
+  }
+
+  /// Get a reference to the lowest layer.
+  /**
+   * This function returns a reference to the lowest layer in a stack of
+   * layers. Since an overlapped_handle cannot contain any further layers, it
+   * simply returns a reference to itself.
+   *
+   * @return A reference to the lowest layer in the stack of layers. Ownership
+   * is not transferred to the caller.
+   */
+  lowest_layer_type& lowest_layer()
+  {
+    return *this;
+  }
+
+  /// Get a const reference to the lowest layer.
+  /**
+   * This function returns a const reference to the lowest layer in a stack of
+   * layers. Since an overlapped_handle cannot contain any further layers, it
+   * simply returns a reference to itself.
+   *
+   * @return A const reference to the lowest layer in the stack of layers.
+   * Ownership is not transferred to the caller.
+   */
+  const lowest_layer_type& lowest_layer() const
+  {
+    return *this;
+  }
+
+  /// Assign an existing native handle to the handle.
+  /*
+   * This function opens the handle to hold an existing native handle.
+   *
+   * @param handle A native handle.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  void assign(const native_handle_type& handle)
+  {
+    asio::error_code ec;
+    impl_.get_service().assign(impl_.get_implementation(), handle, ec);
+    asio::detail::throw_error(ec, "assign");
+  }
+
+  /// Assign an existing native handle to the handle.
+  /*
+   * This function opens the handle to hold an existing native handle.
+   *
+   * @param handle A native handle.
+   *
+   * @param ec Set to indicate what error occurred, if any.
+   */
+  ASIO_SYNC_OP_VOID assign(const native_handle_type& handle,
+      asio::error_code& ec)
+  {
+    impl_.get_service().assign(impl_.get_implementation(), handle, ec);
+    ASIO_SYNC_OP_VOID_RETURN(ec);
+  }
+
+  /// Determine whether the handle is open.
+  bool is_open() const
+  {
+    return impl_.get_service().is_open(impl_.get_implementation());
+  }
+
+  /// Close the handle.
+  /**
+   * This function is used to close the handle. Any asynchronous read or write
+   * operations will be cancelled immediately, and will complete with the
+   * asio::error::operation_aborted error.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  void close()
+  {
+    asio::error_code ec;
+    impl_.get_service().close(impl_.get_implementation(), ec);
+    asio::detail::throw_error(ec, "close");
+  }
+
+  /// Close the handle.
+  /**
+   * This function is used to close the handle. Any asynchronous read or write
+   * operations will be cancelled immediately, and will complete with the
+   * asio::error::operation_aborted error.
+   *
+   * @param ec Set to indicate what error occurred, if any.
+   */
+  ASIO_SYNC_OP_VOID close(asio::error_code& ec)
+  {
+    impl_.get_service().close(impl_.get_implementation(), ec);
+    ASIO_SYNC_OP_VOID_RETURN(ec);
+  }
+
+  /// Get the native handle representation.
+  /**
+   * This function may be used to obtain the underlying representation of the
+   * handle. This is intended to allow access to native handle functionality
+   * that is not otherwise provided.
+   */
+  native_handle_type native_handle()
+  {
+    return impl_.get_service().native_handle(impl_.get_implementation());
+  }
+
+  /// Cancel all asynchronous operations associated with the handle.
+  /**
+   * This function causes all outstanding asynchronous read or write operations
+   * to finish immediately, and the handlers for cancelled operations will be
+   * passed the asio::error::operation_aborted error.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  void cancel()
+  {
+    asio::error_code ec;
+    impl_.get_service().cancel(impl_.get_implementation(), ec);
+    asio::detail::throw_error(ec, "cancel");
+  }
+
+  /// Cancel all asynchronous operations associated with the handle.
+  /**
+   * This function causes all outstanding asynchronous read or write operations
+   * to finish immediately, and the handlers for cancelled operations will be
+   * passed the asio::error::operation_aborted error.
+   *
+   * @param ec Set to indicate what error occurred, if any.
+   */
+  ASIO_SYNC_OP_VOID cancel(asio::error_code& ec)
+  {
+    impl_.get_service().cancel(impl_.get_implementation(), ec);
+    ASIO_SYNC_OP_VOID_RETURN(ec);
+  }
+
+protected:
+  /// Protected destructor to prevent deletion through this type.
+  /**
+   * This function destroys the handle, cancelling any outstanding asynchronous
+   * wait operations associated with the handle as if by calling @c cancel.
+   */
+  ~basic_overlapped_handle()
+  {
+  }
+
+  asio::detail::io_object_impl<
+    asio::detail::win_iocp_handle_service, Executor> impl_;
+
+private:
+  // Disallow copying and assignment.
+  basic_overlapped_handle(const basic_overlapped_handle&) ASIO_DELETED;
+  basic_overlapped_handle& operator=(
+      const basic_overlapped_handle&) ASIO_DELETED;
+};
+
+} // namespace windows
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // defined(ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE)
+       //   || defined(ASIO_HAS_WINDOWS_STREAM_HANDLE)
+       //   || defined(GENERATING_DOCUMENTATION)
+
+#endif // ASIO_WINDOWS_BASIC_OVERLAPPED_HANDLE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/basic_random_access_handle.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/basic_random_access_handle.hpp
index f33957b..86522be 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/basic_random_access_handle.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/basic_random_access_handle.hpp
@@ -2,7 +2,7 @@
 // windows/basic_random_access_handle.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -16,19 +16,11 @@
 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
 
 #include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
+#include "asio/windows/basic_overlapped_handle.hpp"
 
 #if defined(ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE) \
   || defined(GENERATING_DOCUMENTATION)
 
-#include <cstddef>
-#include "asio/detail/handler_type_requirements.hpp"
-#include "asio/detail/throw_error.hpp"
-#include "asio/error.hpp"
-#include "asio/windows/basic_handle.hpp"
-#include "asio/windows/random_access_handle_service.hpp"
-
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
@@ -36,89 +28,136 @@ namespace windows {
 
 /// Provides random-access handle functionality.
 /**
- * The windows::basic_random_access_handle class template provides asynchronous
- * and blocking random-access handle functionality.
+ * The windows::basic_random_access_handle class provides asynchronous and
+ * blocking random-access handle functionality.
  *
  * @par Thread Safety
  * @e Distinct @e objects: Safe.@n
  * @e Shared @e objects: Unsafe.
  */
-template <typename RandomAccessHandleService = random_access_handle_service>
+template <typename Executor = executor>
 class basic_random_access_handle
-  : public basic_handle<RandomAccessHandleService>
+  : public basic_overlapped_handle<Executor>
 {
 public:
-  /// The native representation of a handle.
-  typedef typename RandomAccessHandleService::native_handle_type
-    native_handle_type;
+  /// The type of the executor associated with the object.
+  typedef Executor executor_type;
 
-  /// Construct a basic_random_access_handle without opening it.
+  /// The native representation of a handle.
+#if defined(GENERATING_DOCUMENTATION)
+  typedef implementation_defined native_handle_type;
+#else
+  typedef asio::detail::win_iocp_handle_service::native_handle_type
+    native_handle_type;
+#endif
+
+  /// Construct a random-access handle without opening it.
   /**
-   * This constructor creates a random-access handle without opening it. The
-   * handle needs to be opened before data can be written to or read from it.
+   * This constructor creates a random-access handle without opening it.
    *
-   * @param io_context The io_context object that the random-access handle will
-   * use to dispatch handlers for any asynchronous operations performed on the
-   * handle.
+   * @param ex The I/O executor that the random-access handle will use, by
+   * default, to dispatch handlers for any asynchronous operations performed on
+   * the random-access handle.
    */
-  explicit basic_random_access_handle(asio::io_context& io_context)
-    : basic_handle<RandomAccessHandleService>(io_context)
+  explicit basic_random_access_handle(const executor_type& ex)
+    : basic_overlapped_handle<Executor>(ex)
   {
   }
 
-  /// Construct a basic_random_access_handle on an existing native handle.
+  /// Construct a random-access handle without opening it.
+  /**
+   * This constructor creates a random-access handle without opening it. The
+   * handle needs to be opened or assigned before data can be sent or received
+   * on it.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the random-access handle will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the random-access handle.
+   */
+  template <typename ExecutionContext>
+  explicit basic_random_access_handle(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value,
+        basic_random_access_handle
+      >::type* = 0)
+    : basic_overlapped_handle<Executor>(context)
+  {
+  }
+
+  /// Construct a random-access handle on an existing native handle.
   /**
    * This constructor creates a random-access handle object to hold an existing
    * native handle.
    *
-   * @param io_context The io_context object that the random-access handle will
-   * use to dispatch handlers for any asynchronous operations performed on the
-   * handle.
+   * @param ex The I/O executor that the random-access handle will use, by
+   * default, to dispatch handlers for any asynchronous operations performed on
+   * the random-access handle.
    *
    * @param handle The new underlying handle implementation.
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_random_access_handle(asio::io_context& io_context,
+  basic_random_access_handle(const executor_type& ex,
       const native_handle_type& handle)
-    : basic_handle<RandomAccessHandleService>(io_context, handle)
+    : basic_overlapped_handle<Executor>(ex, handle)
+  {
+  }
+
+  /// Construct a random-access handle on an existing native handle.
+  /**
+   * This constructor creates a random-access handle object to hold an existing
+   * native handle.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the random-access handle will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the random-access handle.
+   *
+   * @param handle The new underlying handle implementation.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_random_access_handle(ExecutionContext& context,
+      const native_handle_type& handle,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_overlapped_handle<Executor>(context, handle)
   {
   }
 
 #if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a basic_random_access_handle from another.
+  /// Move-construct a random-access handle from another.
   /**
    * This constructor moves a random-access handle from one object to another.
    *
-   * @param other The other basic_random_access_handle object from which the
+   * @param other The other random-access handle object from which the
    * move will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_random_access_handle(io_context&)
+   * constructed using the @c basic_random_access_handle(const executor_type&)
    * constructor.
    */
   basic_random_access_handle(basic_random_access_handle&& other)
-    : basic_handle<RandomAccessHandleService>(
-        ASIO_MOVE_CAST(basic_random_access_handle)(other))
+    : basic_overlapped_handle<Executor>(std::move(other))
   {
   }
 
-  /// Move-assign a basic_random_access_handle from another.
+  /// Move-assign a random-access handle from another.
   /**
    * This assignment operator moves a random-access handle from one object to
    * another.
    *
-   * @param other The other basic_random_access_handle object from which the
+   * @param other The other random-access handle object from which the
    * move will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_random_access_handle(io_context&)
+   * constructed using the @c basic_random_access_handle(const executor_type&)
    * constructor.
    */
   basic_random_access_handle& operator=(basic_random_access_handle&& other)
   {
-    basic_handle<RandomAccessHandleService>::operator=(
-        ASIO_MOVE_CAST(basic_random_access_handle)(other));
+    basic_overlapped_handle<Executor>::operator=(std::move(other));
     return *this;
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
@@ -157,8 +196,8 @@ public:
       const ConstBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().write_some_at(
-        this->get_implementation(), offset, buffers, ec);
+    std::size_t s = this->impl_.get_service().write_some_at(
+        this->impl_.get_implementation(), offset, buffers, ec);
     asio::detail::throw_error(ec, "write_some_at");
     return s;
   }
@@ -185,8 +224,8 @@ public:
   std::size_t write_some_at(uint64_t offset,
       const ConstBufferSequence& buffers, asio::error_code& ec)
   {
-    return this->get_service().write_some_at(
-        this->get_implementation(), offset, buffers, ec);
+    return this->impl_.get_service().write_some_at(
+        this->impl_.get_implementation(), offset, buffers, ec);
   }
 
   /// Start an asynchronous write at the specified offset.
@@ -209,9 +248,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes written.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The write operation may not transmit all of the data to the peer.
    * Consider using the @ref async_write_at function if you need to ensure that
@@ -237,8 +276,15 @@ public:
     // not meet the documented type requirements for a WriteHandler.
     ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
 
-    return this->get_service().async_write_some_at(this->get_implementation(),
-        offset, buffers, ASIO_MOVE_CAST(WriteHandler)(handler));
+    asio::async_completion<WriteHandler,
+      void (asio::error_code, std::size_t)> init(handler);
+
+    this->impl_.get_service().async_write_some_at(
+        this->impl_.get_implementation(), offset,
+        buffers, init.completion_handler,
+        this->impl_.get_implementation_executor());
+
+    return init.result.get();
   }
 
   /// Read some data from the handle at the specified offset.
@@ -276,8 +322,8 @@ public:
       const MutableBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().read_some_at(
-        this->get_implementation(), offset, buffers, ec);
+    std::size_t s = this->impl_.get_service().read_some_at(
+        this->impl_.get_implementation(), offset, buffers, ec);
     asio::detail::throw_error(ec, "read_some_at");
     return s;
   }
@@ -305,8 +351,8 @@ public:
   std::size_t read_some_at(uint64_t offset,
       const MutableBufferSequence& buffers, asio::error_code& ec)
   {
-    return this->get_service().read_some_at(
-        this->get_implementation(), offset, buffers, ec);
+    return this->impl_.get_service().read_some_at(
+        this->impl_.get_implementation(), offset, buffers, ec);
   }
 
   /// Start an asynchronous read at the specified offset.
@@ -329,9 +375,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes read.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The read operation may not read all of the requested number of bytes.
    * Consider using the @ref async_read_at function if you need to ensure that
@@ -358,8 +404,15 @@ public:
     // not meet the documented type requirements for a ReadHandler.
     ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
 
-    return this->get_service().async_read_some_at(this->get_implementation(),
-        offset, buffers, ASIO_MOVE_CAST(ReadHandler)(handler));
+    asio::async_completion<ReadHandler,
+      void (asio::error_code, std::size_t)> init(handler);
+
+    this->impl_.get_service().async_read_some_at(
+        this->impl_.get_implementation(), offset,
+        buffers, init.completion_handler,
+        this->impl_.get_implementation_executor());
+
+    return init.result.get();
   }
 };
 
@@ -371,6 +424,4 @@ public:
 #endif // defined(ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE)
        //   || defined(GENERATING_DOCUMENTATION)
 
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #endif // ASIO_WINDOWS_BASIC_RANDOM_ACCESS_HANDLE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/basic_stream_handle.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/basic_stream_handle.hpp
index b8f98b4..eda79e2 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/basic_stream_handle.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/basic_stream_handle.hpp
@@ -2,7 +2,7 @@
 // windows/basic_stream_handle.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -16,19 +16,11 @@
 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
 
 #include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
+#include "asio/windows/basic_overlapped_handle.hpp"
 
 #if defined(ASIO_HAS_WINDOWS_STREAM_HANDLE) \
   || defined(GENERATING_DOCUMENTATION)
 
-#include <cstddef>
-#include "asio/detail/handler_type_requirements.hpp"
-#include "asio/detail/throw_error.hpp"
-#include "asio/error.hpp"
-#include "asio/windows/basic_handle.hpp"
-#include "asio/windows/stream_handle_service.hpp"
-
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
@@ -36,8 +28,8 @@ namespace windows {
 
 /// Provides stream-oriented handle functionality.
 /**
- * The windows::basic_stream_handle class template provides asynchronous and
- * blocking stream-oriented handle functionality.
+ * The windows::basic_stream_handle class provides asynchronous and blocking
+ * stream-oriented handle functionality.
  *
  * @par Thread Safety
  * @e Distinct @e objects: Safe.@n
@@ -46,78 +38,126 @@ namespace windows {
  * @par Concepts:
  * AsyncReadStream, AsyncWriteStream, Stream, SyncReadStream, SyncWriteStream.
  */
-template <typename StreamHandleService = stream_handle_service>
+template <typename Executor = executor>
 class basic_stream_handle
-  : public basic_handle<StreamHandleService>
+  : public basic_overlapped_handle<Executor>
 {
 public:
-  /// The native representation of a handle.
-  typedef typename StreamHandleService::native_handle_type native_handle_type;
+  /// The type of the executor associated with the object.
+  typedef Executor executor_type;
 
-  /// Construct a basic_stream_handle without opening it.
+  /// The native representation of a handle.
+#if defined(GENERATING_DOCUMENTATION)
+  typedef implementation_defined native_handle_type;
+#else
+  typedef asio::detail::win_iocp_handle_service::native_handle_type
+    native_handle_type;
+#endif
+
+  /// Construct a stream handle without opening it.
   /**
-   * This constructor creates a stream handle without opening it. The handle
-   * needs to be opened and then connected or accepted before data can be sent
-   * or received on it.
+   * This constructor creates a stream handle without opening it.
    *
-   * @param io_context The io_context object that the stream handle will use to
-   * dispatch handlers for any asynchronous operations performed on the handle.
+   * @param ex The I/O executor that the stream handle will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the stream
+   * handle.
    */
-  explicit basic_stream_handle(asio::io_context& io_context)
-    : basic_handle<StreamHandleService>(io_context)
+  explicit basic_stream_handle(const executor_type& ex)
+    : basic_overlapped_handle<Executor>(ex)
   {
   }
 
-  /// Construct a basic_stream_handle on an existing native handle.
+  /// Construct a stream handle without opening it.
+  /**
+   * This constructor creates a stream handle without opening it. The handle
+   * needs to be opened or assigned before data can be sent or received on it.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the stream handle will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the stream handle.
+   */
+  template <typename ExecutionContext>
+  explicit basic_stream_handle(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value,
+        basic_stream_handle
+      >::type* = 0)
+    : basic_overlapped_handle<Executor>(context)
+  {
+  }
+
+  /// Construct a stream handle on an existing native handle.
   /**
    * This constructor creates a stream handle object to hold an existing native
    * handle.
    *
-   * @param io_context The io_context object that the stream handle will use to
-   * dispatch handlers for any asynchronous operations performed on the handle.
+   * @param ex The I/O executor that the stream handle will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the stream
+   * handle.
    *
    * @param handle The new underlying handle implementation.
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_stream_handle(asio::io_context& io_context,
-      const native_handle_type& handle)
-    : basic_handle<StreamHandleService>(io_context, handle)
+  basic_stream_handle(const executor_type& ex, const native_handle_type& handle)
+    : basic_overlapped_handle<Executor>(ex, handle)
+  {
+  }
+
+  /// Construct a stream handle on an existing native handle.
+  /**
+   * This constructor creates a stream handle object to hold an existing native
+   * handle.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the stream handle will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the stream handle.
+   *
+   * @param handle The new underlying handle implementation.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_stream_handle(ExecutionContext& context,
+      const native_handle_type& handle,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_overlapped_handle<Executor>(context, handle)
   {
   }
 
 #if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a basic_stream_handle from another.
+  /// Move-construct a stream handle from another.
   /**
    * This constructor moves a stream handle from one object to another.
    *
-   * @param other The other basic_stream_handle object from which the move
+   * @param other The other stream handle object from which the move
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_stream_handle(io_context&) constructor.
+   * constructed using the @c basic_stream_handle(const executor_type&)
+   * constructor.
    */
   basic_stream_handle(basic_stream_handle&& other)
-    : basic_handle<StreamHandleService>(
-        ASIO_MOVE_CAST(basic_stream_handle)(other))
+    : basic_overlapped_handle<Executor>(std::move(other))
   {
   }
 
-  /// Move-assign a basic_stream_handle from another.
+  /// Move-assign a stream handle from another.
   /**
    * This assignment operator moves a stream handle from one object to
    * another.
    *
-   * @param other The other basic_stream_handle object from which the move
-   * will occur.
+   * @param other The other stream handle object from which the move will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_stream_handle(io_context&) constructor.
+   * constructed using the @c basic_stream_handle(const executor_type&)
+   * constructor.
    */
   basic_stream_handle& operator=(basic_stream_handle&& other)
   {
-    basic_handle<StreamHandleService>::operator=(
-        ASIO_MOVE_CAST(basic_stream_handle)(other));
+    basic_overlapped_handle<Executor>::operator=(std::move(other));
     return *this;
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
@@ -153,8 +193,8 @@ public:
   std::size_t write_some(const ConstBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().write_some(
-        this->get_implementation(), buffers, ec);
+    std::size_t s = this->impl_.get_service().write_some(
+        this->impl_.get_implementation(), buffers, ec);
     asio::detail::throw_error(ec, "write_some");
     return s;
   }
@@ -179,8 +219,8 @@ public:
   std::size_t write_some(const ConstBufferSequence& buffers,
       asio::error_code& ec)
   {
-    return this->get_service().write_some(
-        this->get_implementation(), buffers, ec);
+    return this->impl_.get_service().write_some(
+        this->impl_.get_implementation(), buffers, ec);
   }
 
   /// Start an asynchronous write.
@@ -201,9 +241,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes written.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The write operation may not transmit all of the data to the peer.
    * Consider using the @ref async_write function if you need to ensure that all
@@ -228,8 +268,15 @@ public:
     // not meet the documented type requirements for a WriteHandler.
     ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
 
-    return this->get_service().async_write_some(this->get_implementation(),
-        buffers, ASIO_MOVE_CAST(WriteHandler)(handler));
+    asio::async_completion<WriteHandler,
+      void (asio::error_code, std::size_t)> init(handler);
+
+    this->impl_.get_service().async_write_some(
+        this->impl_.get_implementation(),
+        buffers, init.completion_handler,
+        this->impl_.get_implementation_executor());
+
+    return init.result.get();
   }
 
   /// Read some data from the handle.
@@ -264,8 +311,8 @@ public:
   std::size_t read_some(const MutableBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().read_some(
-        this->get_implementation(), buffers, ec);
+    std::size_t s = this->impl_.get_service().read_some(
+        this->impl_.get_implementation(), buffers, ec);
     asio::detail::throw_error(ec, "read_some");
     return s;
   }
@@ -291,8 +338,8 @@ public:
   std::size_t read_some(const MutableBufferSequence& buffers,
       asio::error_code& ec)
   {
-    return this->get_service().read_some(
-        this->get_implementation(), buffers, ec);
+    return this->impl_.get_service().read_some(
+        this->impl_.get_implementation(), buffers, ec);
   }
 
   /// Start an asynchronous read.
@@ -313,9 +360,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes read.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The read operation may not read all of the requested number of bytes.
    * Consider using the @ref async_read function if you need to ensure that the
@@ -341,8 +388,15 @@ public:
     // not meet the documented type requirements for a ReadHandler.
     ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
 
-    return this->get_service().async_read_some(this->get_implementation(),
-        buffers, ASIO_MOVE_CAST(ReadHandler)(handler));
+    asio::async_completion<ReadHandler,
+      void (asio::error_code, std::size_t)> init(handler);
+
+    this->impl_.get_service().async_read_some(
+        this->impl_.get_implementation(),
+        buffers, init.completion_handler,
+        this->impl_.get_implementation_executor());
+
+    return init.result.get();
   }
 };
 
@@ -354,6 +408,4 @@ public:
 #endif // defined(ASIO_HAS_WINDOWS_STREAM_HANDLE)
        //   || defined(GENERATING_DOCUMENTATION)
 
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #endif // ASIO_WINDOWS_BASIC_STREAM_HANDLE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/object_handle.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/object_handle.hpp
index ede1555..9403ed6 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/object_handle.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/object_handle.hpp
@@ -2,7 +2,7 @@
 // windows/object_handle.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2011 Boris Schaeling (boris@highscore.de)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -21,360 +21,17 @@
 #if defined(ASIO_HAS_WINDOWS_OBJECT_HANDLE) \
   || defined(GENERATING_DOCUMENTATION)
 
-#include "asio/async_result.hpp"
-#include "asio/basic_io_object.hpp"
-#include "asio/detail/throw_error.hpp"
-#include "asio/detail/win_object_handle_service.hpp"
-#include "asio/error.hpp"
-#include "asio/io_context.hpp"
-
-#if defined(ASIO_HAS_MOVE)
-# include <utility>
-#endif // defined(ASIO_HAS_MOVE)
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/windows/basic_object_handle.hpp"
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#define ASIO_SVC_T asio::detail::win_object_handle_service
-
-#include "asio/detail/push_options.hpp"
+#include "asio/windows/basic_object_handle.hpp"
 
 namespace asio {
 namespace windows {
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-// Typedef for the typical usage of an object handle.
+/// Typedef for the typical usage of an object handle.
 typedef basic_object_handle<> object_handle;
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-/// Provides object-oriented handle functionality.
-/**
- * The windows::object_handle class provides asynchronous and blocking
- * object-oriented handle functionality.
- *
- * @par Thread Safety
- * @e Distinct @e objects: Safe.@n
- * @e Shared @e objects: Unsafe.
- */
-class object_handle
-  : ASIO_SVC_ACCESS basic_io_object<ASIO_SVC_T>
-{
-public:
-  /// The type of the executor associated with the object.
-  typedef io_context::executor_type executor_type;
-
-  /// The native representation of a handle.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined native_handle_type;
-#else
-  typedef ASIO_SVC_T::native_handle_type native_handle_type;
-#endif
-
-  /// An object_handle is always the lowest layer.
-  typedef object_handle lowest_layer_type;
-
-  /// Construct an object_handle without opening it.
-  /**
-   * This constructor creates an object handle without opening it.
-   *
-   * @param io_context The io_context object that the object handle will use to
-   * dispatch handlers for any asynchronous operations performed on the handle.
-   */
-  explicit object_handle(asio::io_context& io_context)
-    : basic_io_object<ASIO_SVC_T>(io_context)
-  {
-  }
-
-  /// Construct an object_handle on an existing native handle.
-  /**
-   * This constructor creates an object handle object to hold an existing native
-   * handle.
-   *
-   * @param io_context The io_context object that the object handle will use to
-   * dispatch handlers for any asynchronous operations performed on the handle.
-   *
-   * @param native_handle The new underlying handle implementation.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  object_handle(asio::io_context& io_context,
-      const native_handle_type& native_handle)
-    : basic_io_object<ASIO_SVC_T>(io_context)
-  {
-    asio::error_code ec;
-    this->get_service().assign(this->get_implementation(), native_handle, ec);
-    asio::detail::throw_error(ec, "assign");
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct an object_handle from another.
-  /**
-   * This constructor moves an object handle from one object to another.
-   *
-   * @param other The other object_handle object from which the move will
-   * occur.
-   *
-   * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c object_handle(io_context&) constructor.
-   */
-  object_handle(object_handle&& other)
-    : basic_io_object<ASIO_SVC_T>(std::move(other))
-  {
-  }
-
-  /// Move-assign an object_handle from another.
-  /**
-   * This assignment operator moves an object handle from one object to another.
-   *
-   * @param other The other object_handle object from which the move will
-   * occur.
-   *
-   * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c object_handle(io_context&) constructor.
-   */
-  object_handle& operator=(object_handle&& other)
-  {
-    basic_io_object<ASIO_SVC_T>::operator=(std::move(other));
-    return *this;
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-#if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_context()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_context();
-  }
-
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_service()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_service();
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
-  /// Get the executor associated with the object.
-  executor_type get_executor() ASIO_NOEXCEPT
-  {
-    return basic_io_object<ASIO_SVC_T>::get_executor();
-  }
-
-  /// Get a reference to the lowest layer.
-  /**
-   * This function returns a reference to the lowest layer in a stack of
-   * layers. Since an object_handle cannot contain any further layers, it simply
-   * returns a reference to itself.
-   *
-   * @return A reference to the lowest layer in the stack of layers. Ownership
-   * is not transferred to the caller.
-   */
-  lowest_layer_type& lowest_layer()
-  {
-    return *this;
-  }
-
-  /// Get a const reference to the lowest layer.
-  /**
-   * This function returns a const reference to the lowest layer in a stack of
-   * layers. Since an object_handle cannot contain any further layers, it simply
-   * returns a reference to itself.
-   *
-   * @return A const reference to the lowest layer in the stack of layers.
-   * Ownership is not transferred to the caller.
-   */
-  const lowest_layer_type& lowest_layer() const
-  {
-    return *this;
-  }
-
-  /// Assign an existing native handle to the handle.
-  /*
-   * This function opens the handle to hold an existing native handle.
-   *
-   * @param handle A native handle.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void assign(const native_handle_type& handle)
-  {
-    asio::error_code ec;
-    this->get_service().assign(this->get_implementation(), handle, ec);
-    asio::detail::throw_error(ec, "assign");
-  }
-
-  /// Assign an existing native handle to the handle.
-  /*
-   * This function opens the handle to hold an existing native handle.
-   *
-   * @param handle A native handle.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID assign(const native_handle_type& handle,
-      asio::error_code& ec)
-  {
-    this->get_service().assign(this->get_implementation(), handle, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the handle is open.
-  bool is_open() const
-  {
-    return this->get_service().is_open(this->get_implementation());
-  }
-
-  /// Close the handle.
-  /**
-   * This function is used to close the handle. Any asynchronous read or write
-   * operations will be cancelled immediately, and will complete with the
-   * asio::error::operation_aborted error.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void close()
-  {
-    asio::error_code ec;
-    this->get_service().close(this->get_implementation(), ec);
-    asio::detail::throw_error(ec, "close");
-  }
-
-  /// Close the handle.
-  /**
-   * This function is used to close the handle. Any asynchronous read or write
-   * operations will be cancelled immediately, and will complete with the
-   * asio::error::operation_aborted error.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID close(asio::error_code& ec)
-  {
-    this->get_service().close(this->get_implementation(), ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get the native handle representation.
-  /**
-   * This function may be used to obtain the underlying representation of the
-   * handle. This is intended to allow access to native handle functionality
-   * that is not otherwise provided.
-   */
-  native_handle_type native_handle()
-  {
-    return this->get_service().native_handle(this->get_implementation());
-  }
-
-  /// Cancel all asynchronous operations associated with the handle.
-  /**
-   * This function causes all outstanding asynchronous read or write operations
-   * to finish immediately, and the handlers for cancelled operations will be
-   * passed the asio::error::operation_aborted error.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void cancel()
-  {
-    asio::error_code ec;
-    this->get_service().cancel(this->get_implementation(), ec);
-    asio::detail::throw_error(ec, "cancel");
-  }
-
-  /// Cancel all asynchronous operations associated with the handle.
-  /**
-   * This function causes all outstanding asynchronous read or write operations
-   * to finish immediately, and the handlers for cancelled operations will be
-   * passed the asio::error::operation_aborted error.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID cancel(asio::error_code& ec)
-  {
-    this->get_service().cancel(this->get_implementation(), ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Perform a blocking wait on the object handle.
-  /**
-   * This function is used to wait for the object handle to be set to the
-   * signalled state. This function blocks and does not return until the object
-   * handle has been set to the signalled state.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void wait()
-  {
-    asio::error_code ec;
-    this->get_service().wait(this->get_implementation(), ec);
-    asio::detail::throw_error(ec, "wait");
-  }
-
-  /// Perform a blocking wait on the object handle.
-  /**
-   * This function is used to wait for the object handle to be set to the
-   * signalled state. This function blocks and does not return until the object
-   * handle has been set to the signalled state.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  void wait(asio::error_code& ec)
-  {
-    this->get_service().wait(this->get_implementation(), ec);
-  }
-
-  /// Start an asynchronous wait on the object handle.
-  /**
-   * This function is be used to initiate an asynchronous wait against the
-   * object handle. It always returns immediately.
-   *
-   * @param handler The handler to be called when the object handle is set to
-   * the signalled state. Copies will be made of the handler as required. The
-   * function signature of the handler must be:
-   * @code void handler(
-   *   const asio::error_code& error // Result of operation.
-   * ); @endcode
-   * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
-   */
-  template <typename WaitHandler>
-  ASIO_INITFN_RESULT_TYPE(WaitHandler,
-      void (asio::error_code))
-  async_wait(ASIO_MOVE_ARG(WaitHandler) handler)
-  {
-    asio::async_completion<WaitHandler,
-      void (asio::error_code)> init(handler);
-
-    this->get_service().async_wait(this->get_implementation(),
-        init.completion_handler);
-
-    return init.result.get();
-  }
-};
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
 
 } // namespace windows
 } // namespace asio
 
-#include "asio/detail/pop_options.hpp"
-
-#undef ASIO_SVC_T
-
 #endif // defined(ASIO_HAS_WINDOWS_OBJECT_HANDLE)
        //   || defined(GENERATING_DOCUMENTATION)
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/object_handle_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/object_handle_service.hpp
deleted file mode 100644
index cdefa0d..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/object_handle_service.hpp
+++ /dev/null
@@ -1,183 +0,0 @@
-//
-// windows/object_handle_service.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-// Copyright (c) 2011 Boris Schaeling (boris@highscore.de)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef ASIO_WINDOWS_OBJECT_HANDLE_SERVICE_HPP
-#define ASIO_WINDOWS_OBJECT_HANDLE_SERVICE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#if defined(ASIO_HAS_WINDOWS_OBJECT_HANDLE) \
-  || defined(GENERATING_DOCUMENTATION)
-
-#include "asio/async_result.hpp"
-#include "asio/detail/win_object_handle_service.hpp"
-#include "asio/error.hpp"
-#include "asio/io_context.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace windows {
-
-/// Default service implementation for an object handle.
-class object_handle_service
-#if defined(GENERATING_DOCUMENTATION)
-  : public asio::io_context::service
-#else
-  : public asio::detail::service_base<object_handle_service>
-#endif
-{
-public:
-#if defined(GENERATING_DOCUMENTATION)
-  /// The unique service identifier.
-  static asio::io_context::id id;
-#endif
-
-private:
-  // The type of the platform-specific implementation.
-  typedef detail::win_object_handle_service service_impl_type;
-
-public:
-  /// The type of an object handle implementation.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined implementation_type;
-#else
-  typedef service_impl_type::implementation_type implementation_type;
-#endif
-
-  /// The native handle type.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined native_handle_type;
-#else
-  typedef service_impl_type::native_handle_type native_handle_type;
-#endif
-
-  /// Construct a new object handle service for the specified io_context.
-  explicit object_handle_service(asio::io_context& io_context)
-    : asio::detail::service_base<object_handle_service>(io_context),
-      service_impl_(io_context)
-  {
-  }
-
-  /// Construct a new object handle implementation.
-  void construct(implementation_type& impl)
-  {
-    service_impl_.construct(impl);
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a new object handle implementation.
-  void move_construct(implementation_type& impl,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_construct(impl, other_impl);
-  }
-
-  /// Move-assign from another object handle implementation.
-  void move_assign(implementation_type& impl,
-      object_handle_service& other_service,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_assign(impl, other_service.service_impl_, other_impl);
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-  /// Destroy an object handle implementation.
-  void destroy(implementation_type& impl)
-  {
-    service_impl_.destroy(impl);
-  }
-
-  /// Assign an existing native handle to an object handle.
-  ASIO_SYNC_OP_VOID assign(implementation_type& impl,
-      const native_handle_type& handle, asio::error_code& ec)
-  {
-    service_impl_.assign(impl, handle, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the handle is open.
-  bool is_open(const implementation_type& impl) const
-  {
-    return service_impl_.is_open(impl);
-  }
-
-  /// Close an object handle implementation.
-  ASIO_SYNC_OP_VOID close(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.close(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get the native handle implementation.
-  native_handle_type native_handle(implementation_type& impl)
-  {
-    return service_impl_.native_handle(impl);
-  }
-
-  /// Cancel all asynchronous operations associated with the handle.
-  ASIO_SYNC_OP_VOID cancel(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.cancel(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  // Wait for a signaled state.
-  void wait(implementation_type& impl, asio::error_code& ec)
-  {
-    service_impl_.wait(impl, ec);
-  }
-
-  /// Start an asynchronous wait.
-  template <typename WaitHandler>
-  ASIO_INITFN_RESULT_TYPE(WaitHandler,
-      void (asio::error_code))
-  async_wait(implementation_type& impl,
-      ASIO_MOVE_ARG(WaitHandler) handler)
-  {
-    asio::async_completion<WaitHandler,
-      void (asio::error_code)> init(handler);
-
-    service_impl_.async_wait(impl, init.completion_handler);
-
-    return init.result.get();
-  }
-
-private:
-  // Destroy all user-defined handler objects owned by the service.
-  void shutdown()
-  {
-    service_impl_.shutdown();
-  }
-
-  // The platform-specific implementation.
-  service_impl_type service_impl_;
-};
-
-} // namespace windows
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_HAS_WINDOWS_OBJECT_HANDLE)
-       //   || defined(GENERATING_DOCUMENTATION)
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_WINDOWS_OBJECT_HANDLE_SERVICE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/overlapped_handle.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/overlapped_handle.hpp
index 41130f8..4819fa2 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/overlapped_handle.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/overlapped_handle.hpp
@@ -2,7 +2,7 @@
 // windows/overlapped_handle.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -17,315 +17,23 @@
 
 #include "asio/detail/config.hpp"
 
-#if !defined(ASIO_ENABLE_OLD_SERVICES)
-
 #if defined(ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE) \
   || defined(ASIO_HAS_WINDOWS_STREAM_HANDLE) \
   || defined(GENERATING_DOCUMENTATION)
 
-#include <cstddef>
-#include "asio/async_result.hpp"
-#include "asio/basic_io_object.hpp"
-#include "asio/detail/throw_error.hpp"
-#include "asio/detail/win_iocp_handle_service.hpp"
-#include "asio/error.hpp"
-#include "asio/io_context.hpp"
-
-#if defined(ASIO_HAS_MOVE)
-# include <utility>
-#endif // defined(ASIO_HAS_MOVE)
-
-#define ASIO_SVC_T asio::detail::win_iocp_handle_service
-
-#include "asio/detail/push_options.hpp"
+#include "asio/windows/basic_overlapped_handle.hpp"
 
 namespace asio {
 namespace windows {
 
-/// Provides Windows handle functionality for objects that support
-/// overlapped I/O.
-/**
- * The windows::overlapped_handle class provides the ability to wrap a Windows
- * handle. The underlying object referred to by the handle must support
- * overlapped I/O.
- *
- * @par Thread Safety
- * @e Distinct @e objects: Safe.@n
- * @e Shared @e objects: Unsafe.
- */
-class overlapped_handle
-  : ASIO_SVC_ACCESS basic_io_object<ASIO_SVC_T>
-{
-public:
-  /// The type of the executor associated with the object.
-  typedef io_context::executor_type executor_type;
-
-  /// The native representation of a handle.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined native_handle_type;
-#else
-  typedef ASIO_SVC_T::native_handle_type native_handle_type;
-#endif
-
-  /// An overlapped_handle is always the lowest layer.
-  typedef overlapped_handle lowest_layer_type;
-
-  /// Construct an overlapped_handle without opening it.
-  /**
-   * This constructor creates a handle without opening it.
-   *
-   * @param io_context The io_context object that the handle will use to
-   * dispatch handlers for any asynchronous operations performed on the handle.
-   */
-  explicit overlapped_handle(asio::io_context& io_context)
-    : basic_io_object<ASIO_SVC_T>(io_context)
-  {
-  }
-
-  /// Construct an overlapped_handle on an existing native handle.
-  /**
-   * This constructor creates a handle object to hold an existing native handle.
-   *
-   * @param io_context The io_context object that the handle will use to
-   * dispatch handlers for any asynchronous operations performed on the handle.
-   *
-   * @param handle A native handle.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  overlapped_handle(asio::io_context& io_context,
-      const native_handle_type& handle)
-    : basic_io_object<ASIO_SVC_T>(io_context)
-  {
-    asio::error_code ec;
-    this->get_service().assign(this->get_implementation(), handle, ec);
-    asio::detail::throw_error(ec, "assign");
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct an overlapped_handle from another.
-  /**
-   * This constructor moves a handle from one object to another.
-   *
-   * @param other The other overlapped_handle object from which the move will
-   * occur.
-   *
-   * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c overlapped_handle(io_context&) constructor.
-   */
-  overlapped_handle(overlapped_handle&& other)
-    : basic_io_object<ASIO_SVC_T>(std::move(other))
-  {
-  }
-
-  /// Move-assign an overlapped_handle from another.
-  /**
-   * This assignment operator moves a handle from one object to another.
-   *
-   * @param other The other overlapped_handle object from which the move will
-   * occur.
-   *
-   * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c overlapped_handle(io_context&) constructor.
-   */
-  overlapped_handle& operator=(overlapped_handle&& other)
-  {
-    basic_io_object<ASIO_SVC_T>::operator=(std::move(other));
-    return *this;
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-#if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_context()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_context();
-  }
-
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_service()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_service();
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
-  /// Get the executor associated with the object.
-  executor_type get_executor() ASIO_NOEXCEPT
-  {
-    return basic_io_object<ASIO_SVC_T>::get_executor();
-  }
-
-  /// Get a reference to the lowest layer.
-  /**
-   * This function returns a reference to the lowest layer in a stack of
-   * layers. Since an overlapped_handle cannot contain any further layers, it
-   * simply returns a reference to itself.
-   *
-   * @return A reference to the lowest layer in the stack of layers. Ownership
-   * is not transferred to the caller.
-   */
-  lowest_layer_type& lowest_layer()
-  {
-    return *this;
-  }
-
-  /// Get a const reference to the lowest layer.
-  /**
-   * This function returns a const reference to the lowest layer in a stack of
-   * layers. Since an overlapped_handle cannot contain any further layers, it
-   * simply returns a reference to itself.
-   *
-   * @return A const reference to the lowest layer in the stack of layers.
-   * Ownership is not transferred to the caller.
-   */
-  const lowest_layer_type& lowest_layer() const
-  {
-    return *this;
-  }
-
-  /// Assign an existing native handle to the handle.
-  /*
-   * This function opens the handle to hold an existing native handle.
-   *
-   * @param handle A native handle.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void assign(const native_handle_type& handle)
-  {
-    asio::error_code ec;
-    this->get_service().assign(this->get_implementation(), handle, ec);
-    asio::detail::throw_error(ec, "assign");
-  }
-
-  /// Assign an existing native handle to the handle.
-  /*
-   * This function opens the handle to hold an existing native handle.
-   *
-   * @param handle A native handle.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID assign(const native_handle_type& handle,
-      asio::error_code& ec)
-  {
-    this->get_service().assign(this->get_implementation(), handle, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the handle is open.
-  bool is_open() const
-  {
-    return this->get_service().is_open(this->get_implementation());
-  }
-
-  /// Close the handle.
-  /**
-   * This function is used to close the handle. Any asynchronous read or write
-   * operations will be cancelled immediately, and will complete with the
-   * asio::error::operation_aborted error.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void close()
-  {
-    asio::error_code ec;
-    this->get_service().close(this->get_implementation(), ec);
-    asio::detail::throw_error(ec, "close");
-  }
-
-  /// Close the handle.
-  /**
-   * This function is used to close the handle. Any asynchronous read or write
-   * operations will be cancelled immediately, and will complete with the
-   * asio::error::operation_aborted error.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID close(asio::error_code& ec)
-  {
-    this->get_service().close(this->get_implementation(), ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get the native handle representation.
-  /**
-   * This function may be used to obtain the underlying representation of the
-   * handle. This is intended to allow access to native handle functionality
-   * that is not otherwise provided.
-   */
-  native_handle_type native_handle()
-  {
-    return this->get_service().native_handle(this->get_implementation());
-  }
-
-  /// Cancel all asynchronous operations associated with the handle.
-  /**
-   * This function causes all outstanding asynchronous read or write operations
-   * to finish immediately, and the handlers for cancelled operations will be
-   * passed the asio::error::operation_aborted error.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void cancel()
-  {
-    asio::error_code ec;
-    this->get_service().cancel(this->get_implementation(), ec);
-    asio::detail::throw_error(ec, "cancel");
-  }
-
-  /// Cancel all asynchronous operations associated with the handle.
-  /**
-   * This function causes all outstanding asynchronous read or write operations
-   * to finish immediately, and the handlers for cancelled operations will be
-   * passed the asio::error::operation_aborted error.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID cancel(asio::error_code& ec)
-  {
-    this->get_service().cancel(this->get_implementation(), ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-protected:
-  /// Protected destructor to prevent deletion through this type.
-  /**
-   * This function destroys the handle, cancelling any outstanding asynchronous
-   * wait operations associated with the handle as if by calling @c cancel.
-   */
-  ~overlapped_handle()
-  {
-  }
-};
+/// Typedef for the typical usage of an overlapped handle.
+typedef basic_overlapped_handle<> overlapped_handle;
 
 } // namespace windows
 } // namespace asio
 
-#include "asio/detail/pop_options.hpp"
-
-#undef ASIO_SVC_T
-
 #endif // defined(ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE)
        //   || defined(ASIO_HAS_WINDOWS_STREAM_HANDLE)
        //   || defined(GENERATING_DOCUMENTATION)
 
-#endif // !defined(ASIO_ENABLE_OLD_SERVICES)
-
 #endif // ASIO_WINDOWS_OVERLAPPED_HANDLE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/overlapped_ptr.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/overlapped_ptr.hpp
index 1775166..5dd6f14 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/overlapped_ptr.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/overlapped_ptr.hpp
@@ -2,7 +2,7 @@
 // windows/overlapped_ptr.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -49,10 +49,24 @@ public:
   }
 
   /// Construct an overlapped_ptr to contain the specified handler.
-  template <typename Handler>
-  explicit overlapped_ptr(asio::io_context& io_context,
-      ASIO_MOVE_ARG(Handler) handler)
-    : impl_(io_context, ASIO_MOVE_CAST(Handler)(handler))
+  template <typename ExecutionContext, typename Handler>
+  explicit overlapped_ptr(ExecutionContext& context,
+      ASIO_MOVE_ARG(Handler) handler,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context.get_executor(), ASIO_MOVE_CAST(Handler)(handler))
+  {
+  }
+
+  /// Construct an overlapped_ptr to contain the specified handler.
+  template <typename Executor, typename Handler>
+  explicit overlapped_ptr(const Executor& ex,
+      ASIO_MOVE_ARG(Handler) handler,
+      typename enable_if<
+        is_executor<Executor>::value
+      >::type* = 0)
+    : impl_(ex, ASIO_MOVE_CAST(Handler)(handler))
   {
   }
 
@@ -69,11 +83,24 @@ public:
 
   /// Reset to contain the specified handler, freeing any current OVERLAPPED
   /// object.
-  template <typename Handler>
-  void reset(asio::io_context& io_context,
-      ASIO_MOVE_ARG(Handler) handler)
+  template <typename ExecutionContext, typename Handler>
+  void reset(ExecutionContext& context, ASIO_MOVE_ARG(Handler) handler,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
   {
-    impl_.reset(io_context, ASIO_MOVE_CAST(Handler)(handler));
+    impl_.reset(context.get_executor(), ASIO_MOVE_CAST(Handler)(handler));
+  }
+
+  /// Reset to contain the specified handler, freeing any current OVERLAPPED
+  /// object.
+  template <typename Executor, typename Handler>
+  void reset(const Executor& ex, ASIO_MOVE_ARG(Handler) handler,
+      typename enable_if<
+        is_executor<Executor>::value
+      >::type* = 0)
+  {
+    impl_.reset(ex, ASIO_MOVE_CAST(Handler)(handler));
   }
 
   /// Get the contained OVERLAPPED object.
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/random_access_handle.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/random_access_handle.hpp
index 62e9ff3..dbfa91f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/random_access_handle.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/random_access_handle.hpp
@@ -2,7 +2,7 @@
 // windows/random_access_handle.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -16,362 +16,21 @@
 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
 
 #include "asio/detail/config.hpp"
-#include "asio/windows/overlapped_handle.hpp"
 
 #if defined(ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE) \
   || defined(GENERATING_DOCUMENTATION)
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/windows/basic_random_access_handle.hpp"
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#include "asio/detail/push_options.hpp"
+#include "asio/windows/basic_random_access_handle.hpp"
 
 namespace asio {
 namespace windows {
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-// Typedef for the typical usage of a random-access handle.
+/// Typedef for the typical usage of a random-access handle.
 typedef basic_random_access_handle<> random_access_handle;
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-/// Provides random-access handle functionality.
-/**
- * The windows::random_access_handle class provides asynchronous and
- * blocking random-access handle functionality.
- *
- * @par Thread Safety
- * @e Distinct @e objects: Safe.@n
- * @e Shared @e objects: Unsafe.
- */
-class random_access_handle
-  : public overlapped_handle
-{
-public:
-  /// Construct a random_access_handle without opening it.
-  /**
-   * This constructor creates a random-access handle without opening it. The
-   * handle needs to be opened before data can be written to or read from it.
-   *
-   * @param io_context The io_context object that the random-access handle will
-   * use to dispatch handlers for any asynchronous operations performed on the
-   * handle.
-   */
-  explicit random_access_handle(asio::io_context& io_context)
-    : overlapped_handle(io_context)
-  {
-  }
-
-  /// Construct a random_access_handle on an existing native handle.
-  /**
-   * This constructor creates a random-access handle object to hold an existing
-   * native handle.
-   *
-   * @param io_context The io_context object that the random-access handle will
-   * use to dispatch handlers for any asynchronous operations performed on the
-   * handle.
-   *
-   * @param handle The new underlying handle implementation.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  random_access_handle(asio::io_context& io_context,
-      const native_handle_type& handle)
-    : overlapped_handle(io_context, handle)
-  {
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a random_access_handle from another.
-  /**
-   * This constructor moves a random-access handle from one object to another.
-   *
-   * @param other The other random_access_handle object from which the
-   * move will occur.
-   *
-   * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c random_access_handle(io_context&)
-   * constructor.
-   */
-  random_access_handle(random_access_handle&& other)
-    : overlapped_handle(std::move(other))
-  {
-  }
-
-  /// Move-assign a random_access_handle from another.
-  /**
-   * This assignment operator moves a random-access handle from one object to
-   * another.
-   *
-   * @param other The other random_access_handle object from which the
-   * move will occur.
-   *
-   * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c random_access_handle(io_context&)
-   * constructor.
-   */
-  random_access_handle& operator=(random_access_handle&& other)
-  {
-    overlapped_handle::operator=(std::move(other));
-    return *this;
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-  /// Write some data to the handle at the specified offset.
-  /**
-   * This function is used to write data to the random-access handle. The
-   * function call will block until one or more bytes of the data has been
-   * written successfully, or until an error occurs.
-   *
-   * @param offset The offset at which the data will be written.
-   *
-   * @param buffers One or more data buffers to be written to the handle.
-   *
-   * @returns The number of bytes written.
-   *
-   * @throws asio::system_error Thrown on failure. An error code of
-   * asio::error::eof indicates that the connection was closed by the
-   * peer.
-   *
-   * @note The write_some_at operation may not write all of the data. Consider
-   * using the @ref write_at function if you need to ensure that all data is
-   * written before the blocking operation completes.
-   *
-   * @par Example
-   * To write a single data buffer use the @ref buffer function as follows:
-   * @code
-   * handle.write_some_at(42, asio::buffer(data, size));
-   * @endcode
-   * See the @ref buffer documentation for information on writing multiple
-   * buffers in one go, and how to use it with arrays, boost::array or
-   * std::vector.
-   */
-  template <typename ConstBufferSequence>
-  std::size_t write_some_at(uint64_t offset,
-      const ConstBufferSequence& buffers)
-  {
-    asio::error_code ec;
-    std::size_t s = this->get_service().write_some_at(
-        this->get_implementation(), offset, buffers, ec);
-    asio::detail::throw_error(ec, "write_some_at");
-    return s;
-  }
-
-  /// Write some data to the handle at the specified offset.
-  /**
-   * This function is used to write data to the random-access handle. The
-   * function call will block until one or more bytes of the data has been
-   * written successfully, or until an error occurs.
-   *
-   * @param offset The offset at which the data will be written.
-   *
-   * @param buffers One or more data buffers to be written to the handle.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   *
-   * @returns The number of bytes written. Returns 0 if an error occurred.
-   *
-   * @note The write_some operation may not transmit all of the data to the
-   * peer. Consider using the @ref write_at function if you need to ensure that
-   * all data is written before the blocking operation completes.
-   */
-  template <typename ConstBufferSequence>
-  std::size_t write_some_at(uint64_t offset,
-      const ConstBufferSequence& buffers, asio::error_code& ec)
-  {
-    return this->get_service().write_some_at(
-        this->get_implementation(), offset, buffers, ec);
-  }
-
-  /// Start an asynchronous write at the specified offset.
-  /**
-   * This function is used to asynchronously write data to the random-access
-   * handle. The function call always returns immediately.
-   *
-   * @param offset The offset at which the data will be written.
-   *
-   * @param buffers One or more data buffers to be written to the handle.
-   * Although the buffers object may be copied as necessary, ownership of the
-   * underlying memory blocks is retained by the caller, which must guarantee
-   * that they remain valid until the handler is called.
-   *
-   * @param handler The handler to be called when the write operation completes.
-   * Copies will be made of the handler as required. The function signature of
-   * the handler must be:
-   * @code void handler(
-   *   const asio::error_code& error, // Result of operation.
-   *   std::size_t bytes_transferred           // Number of bytes written.
-   * ); @endcode
-   * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
-   *
-   * @note The write operation may not transmit all of the data to the peer.
-   * Consider using the @ref async_write_at function if you need to ensure that
-   * all data is written before the asynchronous operation completes.
-   *
-   * @par Example
-   * To write a single data buffer use the @ref buffer function as follows:
-   * @code
-   * handle.async_write_some_at(42, asio::buffer(data, size), handler);
-   * @endcode
-   * See the @ref buffer documentation for information on writing multiple
-   * buffers in one go, and how to use it with arrays, boost::array or
-   * std::vector.
-   */
-  template <typename ConstBufferSequence, typename WriteHandler>
-  ASIO_INITFN_RESULT_TYPE(WriteHandler,
-      void (asio::error_code, std::size_t))
-  async_write_some_at(uint64_t offset,
-      const ConstBufferSequence& buffers,
-      ASIO_MOVE_ARG(WriteHandler) handler)
-  {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-    asio::async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_write_some_at(this->get_implementation(),
-        offset, buffers, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Read some data from the handle at the specified offset.
-  /**
-   * This function is used to read data from the random-access handle. The
-   * function call will block until one or more bytes of data has been read
-   * successfully, or until an error occurs.
-   *
-   * @param offset The offset at which the data will be read.
-   *
-   * @param buffers One or more buffers into which the data will be read.
-   *
-   * @returns The number of bytes read.
-   *
-   * @throws asio::system_error Thrown on failure. An error code of
-   * asio::error::eof indicates that the connection was closed by the
-   * peer.
-   *
-   * @note The read_some operation may not read all of the requested number of
-   * bytes. Consider using the @ref read_at function if you need to ensure that
-   * the requested amount of data is read before the blocking operation
-   * completes.
-   *
-   * @par Example
-   * To read into a single data buffer use the @ref buffer function as follows:
-   * @code
-   * handle.read_some_at(42, asio::buffer(data, size));
-   * @endcode
-   * See the @ref buffer documentation for information on reading into multiple
-   * buffers in one go, and how to use it with arrays, boost::array or
-   * std::vector.
-   */
-  template <typename MutableBufferSequence>
-  std::size_t read_some_at(uint64_t offset,
-      const MutableBufferSequence& buffers)
-  {
-    asio::error_code ec;
-    std::size_t s = this->get_service().read_some_at(
-        this->get_implementation(), offset, buffers, ec);
-    asio::detail::throw_error(ec, "read_some_at");
-    return s;
-  }
-
-  /// Read some data from the handle at the specified offset.
-  /**
-   * This function is used to read data from the random-access handle. The
-   * function call will block until one or more bytes of data has been read
-   * successfully, or until an error occurs.
-   *
-   * @param offset The offset at which the data will be read.
-   *
-   * @param buffers One or more buffers into which the data will be read.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   *
-   * @returns The number of bytes read. Returns 0 if an error occurred.
-   *
-   * @note The read_some operation may not read all of the requested number of
-   * bytes. Consider using the @ref read_at function if you need to ensure that
-   * the requested amount of data is read before the blocking operation
-   * completes.
-   */
-  template <typename MutableBufferSequence>
-  std::size_t read_some_at(uint64_t offset,
-      const MutableBufferSequence& buffers, asio::error_code& ec)
-  {
-    return this->get_service().read_some_at(
-        this->get_implementation(), offset, buffers, ec);
-  }
-
-  /// Start an asynchronous read at the specified offset.
-  /**
-   * This function is used to asynchronously read data from the random-access
-   * handle. The function call always returns immediately.
-   *
-   * @param offset The offset at which the data will be read.
-   *
-   * @param buffers One or more buffers into which the data will be read.
-   * Although the buffers object may be copied as necessary, ownership of the
-   * underlying memory blocks is retained by the caller, which must guarantee
-   * that they remain valid until the handler is called.
-   *
-   * @param handler The handler to be called when the read operation completes.
-   * Copies will be made of the handler as required. The function signature of
-   * the handler must be:
-   * @code void handler(
-   *   const asio::error_code& error, // Result of operation.
-   *   std::size_t bytes_transferred           // Number of bytes read.
-   * ); @endcode
-   * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
-   *
-   * @note The read operation may not read all of the requested number of bytes.
-   * Consider using the @ref async_read_at function if you need to ensure that
-   * the requested amount of data is read before the asynchronous operation
-   * completes.
-   *
-   * @par Example
-   * To read into a single data buffer use the @ref buffer function as follows:
-   * @code
-   * handle.async_read_some_at(42, asio::buffer(data, size), handler);
-   * @endcode
-   * See the @ref buffer documentation for information on reading into multiple
-   * buffers in one go, and how to use it with arrays, boost::array or
-   * std::vector.
-   */
-  template <typename MutableBufferSequence, typename ReadHandler>
-  ASIO_INITFN_RESULT_TYPE(ReadHandler,
-      void (asio::error_code, std::size_t))
-  async_read_some_at(uint64_t offset,
-      const MutableBufferSequence& buffers,
-      ASIO_MOVE_ARG(ReadHandler) handler)
-  {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-    asio::async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_read_some_at(this->get_implementation(),
-        offset, buffers, init.completion_handler);
-
-    return init.result.get();
-  }
-};
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
 
 } // namespace windows
 } // namespace asio
 
-#include "asio/detail/pop_options.hpp"
-
 #endif // defined(ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE)
        //   || defined(GENERATING_DOCUMENTATION)
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/random_access_handle_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/random_access_handle_service.hpp
deleted file mode 100644
index 0dd66b4..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/random_access_handle_service.hpp
+++ /dev/null
@@ -1,214 +0,0 @@
-//
-// windows/random_access_handle_service.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef ASIO_WINDOWS_RANDOM_ACCESS_HANDLE_SERVICE_HPP
-#define ASIO_WINDOWS_RANDOM_ACCESS_HANDLE_SERVICE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#if defined(ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE) \
-  || defined(GENERATING_DOCUMENTATION)
-
-#include <cstddef>
-#include "asio/async_result.hpp"
-#include "asio/detail/cstdint.hpp"
-#include "asio/detail/win_iocp_handle_service.hpp"
-#include "asio/error.hpp"
-#include "asio/io_context.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace windows {
-
-/// Default service implementation for a random-access handle.
-class random_access_handle_service
-#if defined(GENERATING_DOCUMENTATION)
-  : public asio::io_context::service
-#else
-  : public asio::detail::service_base<random_access_handle_service>
-#endif
-{
-public:
-#if defined(GENERATING_DOCUMENTATION)
-  /// The unique service identifier.
-  static asio::io_context::id id;
-#endif
-
-private:
-  // The type of the platform-specific implementation.
-  typedef detail::win_iocp_handle_service service_impl_type;
-
-public:
-  /// The type of a random-access handle implementation.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined implementation_type;
-#else
-  typedef service_impl_type::implementation_type implementation_type;
-#endif
-
-  /// The native handle type.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined native_handle_type;
-#else
-  typedef service_impl_type::native_handle_type native_handle_type;
-#endif
-
-  /// Construct a new random-access handle service for the specified io_context.
-  explicit random_access_handle_service(asio::io_context& io_context)
-    : asio::detail::service_base<
-        random_access_handle_service>(io_context),
-      service_impl_(io_context)
-  {
-  }
-
-  /// Construct a new random-access handle implementation.
-  void construct(implementation_type& impl)
-  {
-    service_impl_.construct(impl);
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a new random-access handle implementation.
-  void move_construct(implementation_type& impl,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_construct(impl, other_impl);
-  }
-
-  /// Move-assign from another random-access handle implementation.
-  void move_assign(implementation_type& impl,
-      random_access_handle_service& other_service,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_assign(impl, other_service.service_impl_, other_impl);
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-  /// Destroy a random-access handle implementation.
-  void destroy(implementation_type& impl)
-  {
-    service_impl_.destroy(impl);
-  }
-
-  /// Assign an existing native handle to a random-access handle.
-  ASIO_SYNC_OP_VOID assign(implementation_type& impl,
-      const native_handle_type& handle, asio::error_code& ec)
-  {
-    service_impl_.assign(impl, handle, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the handle is open.
-  bool is_open(const implementation_type& impl) const
-  {
-    return service_impl_.is_open(impl);
-  }
-
-  /// Close a random-access handle implementation.
-  ASIO_SYNC_OP_VOID close(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.close(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get the native handle implementation.
-  native_handle_type native_handle(implementation_type& impl)
-  {
-    return service_impl_.native_handle(impl);
-  }
-
-  /// Cancel all asynchronous operations associated with the handle.
-  ASIO_SYNC_OP_VOID cancel(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.cancel(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Write the given data at the specified offset.
-  template <typename ConstBufferSequence>
-  std::size_t write_some_at(implementation_type& impl, uint64_t offset,
-      const ConstBufferSequence& buffers, asio::error_code& ec)
-  {
-    return service_impl_.write_some_at(impl, offset, buffers, ec);
-  }
-
-  /// Start an asynchronous write at the specified offset.
-  template <typename ConstBufferSequence, typename WriteHandler>
-  ASIO_INITFN_RESULT_TYPE(WriteHandler,
-      void (asio::error_code, std::size_t))
-  async_write_some_at(implementation_type& impl,
-      uint64_t offset, const ConstBufferSequence& buffers,
-      ASIO_MOVE_ARG(WriteHandler) handler)
-  {
-    asio::async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_write_some_at(impl,
-        offset, buffers, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Read some data from the specified offset.
-  template <typename MutableBufferSequence>
-  std::size_t read_some_at(implementation_type& impl, uint64_t offset,
-      const MutableBufferSequence& buffers, asio::error_code& ec)
-  {
-    return service_impl_.read_some_at(impl, offset, buffers, ec);
-  }
-
-  /// Start an asynchronous read at the specified offset.
-  template <typename MutableBufferSequence, typename ReadHandler>
-  ASIO_INITFN_RESULT_TYPE(ReadHandler,
-      void (asio::error_code, std::size_t))
-  async_read_some_at(implementation_type& impl,
-      uint64_t offset, const MutableBufferSequence& buffers,
-      ASIO_MOVE_ARG(ReadHandler) handler)
-  {
-    asio::async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_read_some_at(impl,
-        offset, buffers, init.completion_handler);
-
-    return init.result.get();
-  }
-
-private:
-  // Destroy all user-defined handler objects owned by the service.
-  void shutdown()
-  {
-    service_impl_.shutdown();
-  }
-
-  // The platform-specific implementation.
-  service_impl_type service_impl_;
-};
-
-} // namespace windows
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE)
-       //   || defined(GENERATING_DOCUMENTATION)
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_WINDOWS_RANDOM_ACCESS_HANDLE_SERVICE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/stream_handle.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/stream_handle.hpp
index c273661..c597aad 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/stream_handle.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/stream_handle.hpp
@@ -2,7 +2,7 @@
 // windows/stream_handle.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -16,346 +16,21 @@
 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
 
 #include "asio/detail/config.hpp"
-#include "asio/windows/overlapped_handle.hpp"
 
 #if defined(ASIO_HAS_WINDOWS_STREAM_HANDLE) \
   || defined(GENERATING_DOCUMENTATION)
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/windows/basic_stream_handle.hpp"
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#include "asio/detail/push_options.hpp"
+#include "asio/windows/basic_stream_handle.hpp"
 
 namespace asio {
 namespace windows {
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-// Typedef for the typical usage of a stream-oriented handle.
+/// Typedef for the typical usage of a stream-oriented handle.
 typedef basic_stream_handle<> stream_handle;
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-/// Provides stream-oriented handle functionality.
-/**
- * The windows::stream_handle class provides asynchronous and blocking
- * stream-oriented handle functionality.
- *
- * @par Thread Safety
- * @e Distinct @e objects: Safe.@n
- * @e Shared @e objects: Unsafe.
- *
- * @par Concepts:
- * AsyncReadStream, AsyncWriteStream, Stream, SyncReadStream, SyncWriteStream.
- */
-class stream_handle
-  : public overlapped_handle
-{
-public:
-  /// Construct a stream_handle without opening it.
-  /**
-   * This constructor creates a stream handle without opening it. The handle
-   * needs to be opened and then connected or accepted before data can be sent
-   * or received on it.
-   *
-   * @param io_context The io_context object that the stream handle will use to
-   * dispatch handlers for any asynchronous operations performed on the handle.
-   */
-  explicit stream_handle(asio::io_context& io_context)
-    : overlapped_handle(io_context)
-  {
-  }
-
-  /// Construct a stream_handle on an existing native handle.
-  /**
-   * This constructor creates a stream handle object to hold an existing native
-   * handle.
-   *
-   * @param io_context The io_context object that the stream handle will use to
-   * dispatch handlers for any asynchronous operations performed on the handle.
-   *
-   * @param handle The new underlying handle implementation.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  stream_handle(asio::io_context& io_context,
-      const native_handle_type& handle)
-    : overlapped_handle(io_context, handle)
-  {
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a stream_handle from another.
-  /**
-   * This constructor moves a stream handle from one object to another.
-   *
-   * @param other The other stream_handle object from which the move
-   * will occur.
-   *
-   * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c stream_handle(io_context&) constructor.
-   */
-  stream_handle(stream_handle&& other)
-    : overlapped_handle(std::move(other))
-  {
-  }
-
-  /// Move-assign a stream_handle from another.
-  /**
-   * This assignment operator moves a stream handle from one object to
-   * another.
-   *
-   * @param other The other stream_handle object from which the move
-   * will occur.
-   *
-   * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c stream_handle(io_context&) constructor.
-   */
-  stream_handle& operator=(stream_handle&& other)
-  {
-    overlapped_handle::operator=(std::move(other));
-    return *this;
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-  /// Write some data to the handle.
-  /**
-   * This function is used to write data to the stream handle. The function call
-   * will block until one or more bytes of the data has been written
-   * successfully, or until an error occurs.
-   *
-   * @param buffers One or more data buffers to be written to the handle.
-   *
-   * @returns The number of bytes written.
-   *
-   * @throws asio::system_error Thrown on failure. An error code of
-   * asio::error::eof indicates that the connection was closed by the
-   * peer.
-   *
-   * @note The write_some operation may not transmit all of the data to the
-   * peer. Consider using the @ref write function if you need to ensure that
-   * all data is written before the blocking operation completes.
-   *
-   * @par Example
-   * To write a single data buffer use the @ref buffer function as follows:
-   * @code
-   * handle.write_some(asio::buffer(data, size));
-   * @endcode
-   * See the @ref buffer documentation for information on writing multiple
-   * buffers in one go, and how to use it with arrays, boost::array or
-   * std::vector.
-   */
-  template <typename ConstBufferSequence>
-  std::size_t write_some(const ConstBufferSequence& buffers)
-  {
-    asio::error_code ec;
-    std::size_t s = this->get_service().write_some(
-        this->get_implementation(), buffers, ec);
-    asio::detail::throw_error(ec, "write_some");
-    return s;
-  }
-
-  /// Write some data to the handle.
-  /**
-   * This function is used to write data to the stream handle. The function call
-   * will block until one or more bytes of the data has been written
-   * successfully, or until an error occurs.
-   *
-   * @param buffers One or more data buffers to be written to the handle.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   *
-   * @returns The number of bytes written. Returns 0 if an error occurred.
-   *
-   * @note The write_some operation may not transmit all of the data to the
-   * peer. Consider using the @ref write function if you need to ensure that
-   * all data is written before the blocking operation completes.
-   */
-  template <typename ConstBufferSequence>
-  std::size_t write_some(const ConstBufferSequence& buffers,
-      asio::error_code& ec)
-  {
-    return this->get_service().write_some(
-        this->get_implementation(), buffers, ec);
-  }
-
-  /// Start an asynchronous write.
-  /**
-   * This function is used to asynchronously write data to the stream handle.
-   * The function call always returns immediately.
-   *
-   * @param buffers One or more data buffers to be written to the handle.
-   * Although the buffers object may be copied as necessary, ownership of the
-   * underlying memory blocks is retained by the caller, which must guarantee
-   * that they remain valid until the handler is called.
-   *
-   * @param handler The handler to be called when the write operation completes.
-   * Copies will be made of the handler as required. The function signature of
-   * the handler must be:
-   * @code void handler(
-   *   const asio::error_code& error, // Result of operation.
-   *   std::size_t bytes_transferred           // Number of bytes written.
-   * ); @endcode
-   * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
-   *
-   * @note The write operation may not transmit all of the data to the peer.
-   * Consider using the @ref async_write function if you need to ensure that all
-   * data is written before the asynchronous operation completes.
-   *
-   * @par Example
-   * To write a single data buffer use the @ref buffer function as follows:
-   * @code
-   * handle.async_write_some(asio::buffer(data, size), handler);
-   * @endcode
-   * See the @ref buffer documentation for information on writing multiple
-   * buffers in one go, and how to use it with arrays, boost::array or
-   * std::vector.
-   */
-  template <typename ConstBufferSequence, typename WriteHandler>
-  ASIO_INITFN_RESULT_TYPE(WriteHandler,
-      void (asio::error_code, std::size_t))
-  async_write_some(const ConstBufferSequence& buffers,
-      ASIO_MOVE_ARG(WriteHandler) handler)
-  {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-    asio::async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_write_some(
-        this->get_implementation(), buffers, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Read some data from the handle.
-  /**
-   * This function is used to read data from the stream handle. The function
-   * call will block until one or more bytes of data has been read successfully,
-   * or until an error occurs.
-   *
-   * @param buffers One or more buffers into which the data will be read.
-   *
-   * @returns The number of bytes read.
-   *
-   * @throws asio::system_error Thrown on failure. An error code of
-   * asio::error::eof indicates that the connection was closed by the
-   * peer.
-   *
-   * @note The read_some operation may not read all of the requested number of
-   * bytes. Consider using the @ref read function if you need to ensure that
-   * the requested amount of data is read before the blocking operation
-   * completes.
-   *
-   * @par Example
-   * To read into a single data buffer use the @ref buffer function as follows:
-   * @code
-   * handle.read_some(asio::buffer(data, size));
-   * @endcode
-   * See the @ref buffer documentation for information on reading into multiple
-   * buffers in one go, and how to use it with arrays, boost::array or
-   * std::vector.
-   */
-  template <typename MutableBufferSequence>
-  std::size_t read_some(const MutableBufferSequence& buffers)
-  {
-    asio::error_code ec;
-    std::size_t s = this->get_service().read_some(
-        this->get_implementation(), buffers, ec);
-    asio::detail::throw_error(ec, "read_some");
-    return s;
-  }
-
-  /// Read some data from the handle.
-  /**
-   * This function is used to read data from the stream handle. The function
-   * call will block until one or more bytes of data has been read successfully,
-   * or until an error occurs.
-   *
-   * @param buffers One or more buffers into which the data will be read.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   *
-   * @returns The number of bytes read. Returns 0 if an error occurred.
-   *
-   * @note The read_some operation may not read all of the requested number of
-   * bytes. Consider using the @ref read function if you need to ensure that
-   * the requested amount of data is read before the blocking operation
-   * completes.
-   */
-  template <typename MutableBufferSequence>
-  std::size_t read_some(const MutableBufferSequence& buffers,
-      asio::error_code& ec)
-  {
-    return this->get_service().read_some(
-        this->get_implementation(), buffers, ec);
-  }
-
-  /// Start an asynchronous read.
-  /**
-   * This function is used to asynchronously read data from the stream handle.
-   * The function call always returns immediately.
-   *
-   * @param buffers One or more buffers into which the data will be read.
-   * Although the buffers object may be copied as necessary, ownership of the
-   * underlying memory blocks is retained by the caller, which must guarantee
-   * that they remain valid until the handler is called.
-   *
-   * @param handler The handler to be called when the read operation completes.
-   * Copies will be made of the handler as required. The function signature of
-   * the handler must be:
-   * @code void handler(
-   *   const asio::error_code& error, // Result of operation.
-   *   std::size_t bytes_transferred           // Number of bytes read.
-   * ); @endcode
-   * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
-   *
-   * @note The read operation may not read all of the requested number of bytes.
-   * Consider using the @ref async_read function if you need to ensure that the
-   * requested amount of data is read before the asynchronous operation
-   * completes.
-   *
-   * @par Example
-   * To read into a single data buffer use the @ref buffer function as follows:
-   * @code
-   * handle.async_read_some(asio::buffer(data, size), handler);
-   * @endcode
-   * See the @ref buffer documentation for information on reading into multiple
-   * buffers in one go, and how to use it with arrays, boost::array or
-   * std::vector.
-   */
-  template <typename MutableBufferSequence, typename ReadHandler>
-  ASIO_INITFN_RESULT_TYPE(ReadHandler,
-      void (asio::error_code, std::size_t))
-  async_read_some(const MutableBufferSequence& buffers,
-      ASIO_MOVE_ARG(ReadHandler) handler)
-  {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-    asio::async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_read_some(
-        this->get_implementation(), buffers, init.completion_handler);
-
-    return init.result.get();
-  }
-};
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
 
 } // namespace windows
 } // namespace asio
 
-#include "asio/detail/pop_options.hpp"
-
 #endif // defined(ASIO_HAS_WINDOWS_STREAM_HANDLE)
        //   || defined(GENERATING_DOCUMENTATION)
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/stream_handle_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/stream_handle_service.hpp
deleted file mode 100644
index 62f6295..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/windows/stream_handle_service.hpp
+++ /dev/null
@@ -1,210 +0,0 @@
-//
-// windows/stream_handle_service.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef ASIO_WINDOWS_STREAM_HANDLE_SERVICE_HPP
-#define ASIO_WINDOWS_STREAM_HANDLE_SERVICE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#if defined(ASIO_HAS_WINDOWS_STREAM_HANDLE) \
-  || defined(GENERATING_DOCUMENTATION)
-
-#include <cstddef>
-#include "asio/async_result.hpp"
-#include "asio/detail/win_iocp_handle_service.hpp"
-#include "asio/error.hpp"
-#include "asio/io_context.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace windows {
-
-/// Default service implementation for a stream handle.
-class stream_handle_service
-#if defined(GENERATING_DOCUMENTATION)
-  : public asio::io_context::service
-#else
-  : public asio::detail::service_base<stream_handle_service>
-#endif
-{
-public:
-#if defined(GENERATING_DOCUMENTATION)
-  /// The unique service identifier.
-  static asio::io_context::id id;
-#endif
-
-private:
-  // The type of the platform-specific implementation.
-  typedef detail::win_iocp_handle_service service_impl_type;
-
-public:
-  /// The type of a stream handle implementation.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined implementation_type;
-#else
-  typedef service_impl_type::implementation_type implementation_type;
-#endif
-
-  /// The native handle type.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined native_handle_type;
-#else
-  typedef service_impl_type::native_handle_type native_handle_type;
-#endif
-
-  /// Construct a new stream handle service for the specified io_context.
-  explicit stream_handle_service(asio::io_context& io_context)
-    : asio::detail::service_base<stream_handle_service>(io_context),
-      service_impl_(io_context)
-  {
-  }
-
-  /// Construct a new stream handle implementation.
-  void construct(implementation_type& impl)
-  {
-    service_impl_.construct(impl);
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a new stream handle implementation.
-  void move_construct(implementation_type& impl,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_construct(impl, other_impl);
-  }
-
-  /// Move-assign from another stream handle implementation.
-  void move_assign(implementation_type& impl,
-      stream_handle_service& other_service,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_assign(impl, other_service.service_impl_, other_impl);
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-  /// Destroy a stream handle implementation.
-  void destroy(implementation_type& impl)
-  {
-    service_impl_.destroy(impl);
-  }
-
-  /// Assign an existing native handle to a stream handle.
-  ASIO_SYNC_OP_VOID assign(implementation_type& impl,
-      const native_handle_type& handle, asio::error_code& ec)
-  {
-    service_impl_.assign(impl, handle, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the handle is open.
-  bool is_open(const implementation_type& impl) const
-  {
-    return service_impl_.is_open(impl);
-  }
-
-  /// Close a stream handle implementation.
-  ASIO_SYNC_OP_VOID close(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.close(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get the native handle implementation.
-  native_handle_type native_handle(implementation_type& impl)
-  {
-    return service_impl_.native_handle(impl);
-  }
-
-  /// Cancel all asynchronous operations associated with the handle.
-  ASIO_SYNC_OP_VOID cancel(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.cancel(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Write the given data to the stream.
-  template <typename ConstBufferSequence>
-  std::size_t write_some(implementation_type& impl,
-      const ConstBufferSequence& buffers, asio::error_code& ec)
-  {
-    return service_impl_.write_some(impl, buffers, ec);
-  }
-
-  /// Start an asynchronous write.
-  template <typename ConstBufferSequence, typename WriteHandler>
-  ASIO_INITFN_RESULT_TYPE(WriteHandler,
-      void (asio::error_code, std::size_t))
-  async_write_some(implementation_type& impl,
-      const ConstBufferSequence& buffers,
-      ASIO_MOVE_ARG(WriteHandler) handler)
-  {
-    asio::async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_write_some(impl, buffers, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Read some data from the stream.
-  template <typename MutableBufferSequence>
-  std::size_t read_some(implementation_type& impl,
-      const MutableBufferSequence& buffers, asio::error_code& ec)
-  {
-    return service_impl_.read_some(impl, buffers, ec);
-  }
-
-  /// Start an asynchronous read.
-  template <typename MutableBufferSequence, typename ReadHandler>
-  ASIO_INITFN_RESULT_TYPE(ReadHandler,
-      void (asio::error_code, std::size_t))
-  async_read_some(implementation_type& impl,
-      const MutableBufferSequence& buffers,
-      ASIO_MOVE_ARG(ReadHandler) handler)
-  {
-    asio::async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_read_some(impl, buffers, init.completion_handler);
-
-    return init.result.get();
-  }
-
-private:
-  // Destroy all user-defined handler objects owned by the service.
-  void shutdown()
-  {
-    service_impl_.shutdown();
-  }
-
-  // The platform-specific implementation.
-  service_impl_type service_impl_;
-};
-
-} // namespace windows
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_HAS_WINDOWS_STREAM_HANDLE)
-       //   || defined(GENERATING_DOCUMENTATION)
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_WINDOWS_STREAM_HANDLE_SERVICE_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/write.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/write.hpp
index dadab67..657ecdc 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/write.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/write.hpp
@@ -2,7 +2,7 @@
 // write.hpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -32,7 +32,8 @@ namespace asio {
 /**
  * @defgroup write asio::write
  *
- * @brief Write a certain amount of data to a stream before returning.
+ * @brief The @c write function is a composed operation that writes a certain
+ * amount of data to a stream before returning.
  */
 /*@{*/
 
@@ -222,6 +223,8 @@ std::size_t write(SyncWriteStream& s, const ConstBufferSequence& buffers,
       is_const_buffer_sequence<ConstBufferSequence>::value
     >::type* = 0);
 
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
 /// Write all of the supplied data to a stream before returning.
 /**
  * This function is used to write a certain number of bytes of data to a stream.
@@ -249,11 +252,12 @@ std::size_t write(SyncWriteStream& s, const ConstBufferSequence& buffers,
  *     s, buffers,
  *     asio::transfer_all()); @endcode
  */
-template <typename SyncWriteStream, typename DynamicBuffer>
+template <typename SyncWriteStream, typename DynamicBuffer_v1>
 std::size_t write(SyncWriteStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
     >::type* = 0);
 
 /// Write all of the supplied data to a stream before returning.
@@ -283,12 +287,13 @@ std::size_t write(SyncWriteStream& s,
  *     s, buffers,
  *     asio::transfer_all(), ec); @endcode
  */
-template <typename SyncWriteStream, typename DynamicBuffer>
+template <typename SyncWriteStream, typename DynamicBuffer_v1>
 std::size_t write(SyncWriteStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     asio::error_code& ec,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
     >::type* = 0);
 
 /// Write a certain amount of data to a stream before returning.
@@ -327,13 +332,14 @@ std::size_t write(SyncWriteStream& s,
  *
  * @throws asio::system_error Thrown on failure.
  */
-template <typename SyncWriteStream, typename DynamicBuffer,
+template <typename SyncWriteStream, typename DynamicBuffer_v1,
     typename CompletionCondition>
 std::size_t write(SyncWriteStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     CompletionCondition completion_condition,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
     >::type* = 0);
 
 /// Write a certain amount of data to a stream before returning.
@@ -373,13 +379,14 @@ std::size_t write(SyncWriteStream& s,
  * @returns The number of bytes written. If an error occurs, returns the total
  * number of bytes successfully transferred prior to the error.
  */
-template <typename SyncWriteStream, typename DynamicBuffer,
+template <typename SyncWriteStream, typename DynamicBuffer_v1,
     typename CompletionCondition>
 std::size_t write(SyncWriteStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     CompletionCondition completion_condition, asio::error_code& ec,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
     >::type* = 0);
 
 #if !defined(ASIO_NO_EXTENSIONS)
@@ -527,13 +534,170 @@ std::size_t write(SyncWriteStream& s, basic_streambuf<Allocator>& b,
 
 #endif // !defined(ASIO_NO_IOSTREAM)
 #endif // !defined(ASIO_NO_EXTENSIONS)
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
+/// Write all of the supplied data to a stream before returning.
+/**
+ * This function is used to write a certain number of bytes of data to a stream.
+ * The call will block until one of the following conditions is true:
+ *
+ * @li All of the data in the supplied dynamic buffer sequence has been written.
+ *
+ * @li An error occurred.
+ *
+ * This operation is implemented in terms of zero or more calls to the stream's
+ * write_some function.
+ *
+ * @param s The stream to which the data is to be written. The type must support
+ * the SyncWriteStream concept.
+ *
+ * @param buffers The dynamic buffer sequence from which data will be written.
+ * Successfully written data is automatically consumed from the buffers.
+ *
+ * @returns The number of bytes transferred.
+ *
+ * @throws asio::system_error Thrown on failure.
+ *
+ * @note This overload is equivalent to calling:
+ * @code asio::write(
+ *     s, buffers,
+ *     asio::transfer_all()); @endcode
+ */
+template <typename SyncWriteStream, typename DynamicBuffer_v2>
+std::size_t write(SyncWriteStream& s, DynamicBuffer_v2 buffers,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type* = 0);
+
+/// Write all of the supplied data to a stream before returning.
+/**
+ * This function is used to write a certain number of bytes of data to a stream.
+ * The call will block until one of the following conditions is true:
+ *
+ * @li All of the data in the supplied dynamic buffer sequence has been written.
+ *
+ * @li An error occurred.
+ *
+ * This operation is implemented in terms of zero or more calls to the stream's
+ * write_some function.
+ *
+ * @param s The stream to which the data is to be written. The type must support
+ * the SyncWriteStream concept.
+ *
+ * @param buffers The dynamic buffer sequence from which data will be written.
+ * Successfully written data is automatically consumed from the buffers.
+ *
+ * @param ec Set to indicate what error occurred, if any.
+ *
+ * @returns The number of bytes transferred.
+ *
+ * @note This overload is equivalent to calling:
+ * @code asio::write(
+ *     s, buffers,
+ *     asio::transfer_all(), ec); @endcode
+ */
+template <typename SyncWriteStream, typename DynamicBuffer_v2>
+std::size_t write(SyncWriteStream& s, DynamicBuffer_v2 buffers,
+    asio::error_code& ec,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type* = 0);
+
+/// Write a certain amount of data to a stream before returning.
+/**
+ * This function is used to write a certain number of bytes of data to a stream.
+ * The call will block until one of the following conditions is true:
+ *
+ * @li All of the data in the supplied dynamic buffer sequence has been written.
+ *
+ * @li The completion_condition function object returns 0.
+ *
+ * This operation is implemented in terms of zero or more calls to the stream's
+ * write_some function.
+ *
+ * @param s The stream to which the data is to be written. The type must support
+ * the SyncWriteStream concept.
+ *
+ * @param buffers The dynamic buffer sequence from which data will be written.
+ * Successfully written data is automatically consumed from the buffers.
+ *
+ * @param completion_condition The function object to be called to determine
+ * whether the write operation is complete. The signature of the function object
+ * must be:
+ * @code std::size_t completion_condition(
+ *   // Result of latest write_some operation.
+ *   const asio::error_code& error,
+ *
+ *   // Number of bytes transferred so far.
+ *   std::size_t bytes_transferred
+ * ); @endcode
+ * A return value of 0 indicates that the write operation is complete. A
+ * non-zero return value indicates the maximum number of bytes to be written on
+ * the next call to the stream's write_some function.
+ *
+ * @returns The number of bytes transferred.
+ *
+ * @throws asio::system_error Thrown on failure.
+ */
+template <typename SyncWriteStream, typename DynamicBuffer_v2,
+    typename CompletionCondition>
+std::size_t write(SyncWriteStream& s, DynamicBuffer_v2 buffers,
+    CompletionCondition completion_condition,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type* = 0);
+
+/// Write a certain amount of data to a stream before returning.
+/**
+ * This function is used to write a certain number of bytes of data to a stream.
+ * The call will block until one of the following conditions is true:
+ *
+ * @li All of the data in the supplied dynamic buffer sequence has been written.
+ *
+ * @li The completion_condition function object returns 0.
+ *
+ * This operation is implemented in terms of zero or more calls to the stream's
+ * write_some function.
+ *
+ * @param s The stream to which the data is to be written. The type must support
+ * the SyncWriteStream concept.
+ *
+ * @param buffers The dynamic buffer sequence from which data will be written.
+ * Successfully written data is automatically consumed from the buffers.
+ *
+ * @param completion_condition The function object to be called to determine
+ * whether the write operation is complete. The signature of the function object
+ * must be:
+ * @code std::size_t completion_condition(
+ *   // Result of latest write_some operation.
+ *   const asio::error_code& error,
+ *
+ *   // Number of bytes transferred so far.
+ *   std::size_t bytes_transferred
+ * ); @endcode
+ * A return value of 0 indicates that the write operation is complete. A
+ * non-zero return value indicates the maximum number of bytes to be written on
+ * the next call to the stream's write_some function.
+ *
+ * @param ec Set to indicate what error occurred, if any.
+ *
+ * @returns The number of bytes written. If an error occurs, returns the total
+ * number of bytes successfully transferred prior to the error.
+ */
+template <typename SyncWriteStream, typename DynamicBuffer_v2,
+    typename CompletionCondition>
+std::size_t write(SyncWriteStream& s, DynamicBuffer_v2 buffers,
+    CompletionCondition completion_condition, asio::error_code& ec,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type* = 0);
 
 /*@}*/
 /**
  * @defgroup async_write asio::async_write
  *
- * @brief Start an asynchronous operation to write a certain amount of data to a
- * stream.
+ * @brief The @c async_write function is a composed asynchronous operation that
+ * writes a certain amount of data to a stream before completion.
  */
 /*@{*/
 
@@ -576,9 +740,9 @@ std::size_t write(SyncWriteStream& s, basic_streambuf<Allocator>& b,
  *                                           // of the buffer sizes.
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @par Example
  * To write a single data buffer use the @ref buffer function as follows:
@@ -652,9 +816,9 @@ async_write(AsyncWriteStream& s, const ConstBufferSequence& buffers,
  *                                           // of the buffer sizes.
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @par Example
  * To write a single data buffer use the @ref buffer function as follows:
@@ -677,6 +841,8 @@ async_write(AsyncWriteStream& s, const ConstBufferSequence& buffers,
       is_const_buffer_sequence<ConstBufferSequence>::value
     >::type* = 0);
 
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
 /// Start an asynchronous operation to write all of the supplied data to a
 /// stream.
 /**
@@ -716,19 +882,20 @@ async_write(AsyncWriteStream& s, const ConstBufferSequence& buffers,
  *                                           // of the buffer sizes.
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  */
 template <typename AsyncWriteStream,
-    typename DynamicBuffer, typename WriteHandler>
+    typename DynamicBuffer_v1, typename WriteHandler>
 ASIO_INITFN_RESULT_TYPE(WriteHandler,
     void (asio::error_code, std::size_t))
 async_write(AsyncWriteStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     ASIO_MOVE_ARG(WriteHandler) handler,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
     >::type* = 0);
 
 /// Start an asynchronous operation to write a certain amount of data to a
@@ -784,20 +951,21 @@ async_write(AsyncWriteStream& s,
  *                                           // of the buffer sizes.
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  */
-template <typename AsyncWriteStream, typename DynamicBuffer,
+template <typename AsyncWriteStream, typename DynamicBuffer_v1,
     typename CompletionCondition, typename WriteHandler>
 ASIO_INITFN_RESULT_TYPE(WriteHandler,
     void (asio::error_code, std::size_t))
 async_write(AsyncWriteStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
+    ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
     CompletionCondition completion_condition,
     ASIO_MOVE_ARG(WriteHandler) handler,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
     >::type* = 0);
 
 #if !defined(ASIO_NO_EXTENSIONS)
@@ -840,9 +1008,9 @@ async_write(AsyncWriteStream& s,
  *                                           // of the buffer sizes.
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  */
 template <typename AsyncWriteStream, typename Allocator, typename WriteHandler>
 ASIO_INITFN_RESULT_TYPE(WriteHandler,
@@ -901,9 +1069,9 @@ async_write(AsyncWriteStream& s, basic_streambuf<Allocator>& b,
  *                                           // of the buffer sizes.
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  */
 template <typename AsyncWriteStream, typename Allocator,
     typename CompletionCondition, typename WriteHandler>
@@ -915,6 +1083,128 @@ async_write(AsyncWriteStream& s, basic_streambuf<Allocator>& b,
 
 #endif // !defined(ASIO_NO_IOSTREAM)
 #endif // !defined(ASIO_NO_EXTENSIONS)
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
+/// Start an asynchronous operation to write all of the supplied data to a
+/// stream.
+/**
+ * This function is used to asynchronously write a certain number of bytes of
+ * data to a stream. The function call always returns immediately. The
+ * asynchronous operation will continue until one of the following conditions
+ * is true:
+ *
+ * @li All of the data in the supplied dynamic buffer sequence has been written.
+ *
+ * @li An error occurred.
+ *
+ * This operation is implemented in terms of zero or more calls to the stream's
+ * async_write_some function, and is known as a <em>composed operation</em>. The
+ * program must ensure that the stream performs no other write operations (such
+ * as async_write, the stream's async_write_some function, or any other composed
+ * operations that perform writes) until this operation completes.
+ *
+ * @param s The stream to which the data is to be written. The type must support
+ * the AsyncWriteStream concept.
+ *
+ * @param buffers The dynamic buffer sequence from which data will be written.
+ * Although the buffers object may be copied as necessary, ownership of the
+ * underlying memory blocks is retained by the caller, which must guarantee
+ * that they remain valid until the handler is called. Successfully written
+ * data is automatically consumed from the buffers.
+ *
+ * @param handler The handler to be called when the write operation completes.
+ * Copies will be made of the handler as required. The function signature of the
+ * handler must be:
+ * @code void handler(
+ *   const asio::error_code& error, // Result of operation.
+ *
+ *   std::size_t bytes_transferred           // Number of bytes written from the
+ *                                           // buffers. If an error occurred,
+ *                                           // this will be less than the sum
+ *                                           // of the buffer sizes.
+ * ); @endcode
+ * Regardless of whether the asynchronous operation completes immediately or
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
+ */
+template <typename AsyncWriteStream,
+    typename DynamicBuffer_v2, typename WriteHandler>
+ASIO_INITFN_RESULT_TYPE(WriteHandler,
+    void (asio::error_code, std::size_t))
+async_write(AsyncWriteStream& s, DynamicBuffer_v2 buffers,
+    ASIO_MOVE_ARG(WriteHandler) handler,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type* = 0);
+
+/// Start an asynchronous operation to write a certain amount of data to a
+/// stream.
+/**
+ * This function is used to asynchronously write a certain number of bytes of
+ * data to a stream. The function call always returns immediately. The
+ * asynchronous operation will continue until one of the following conditions
+ * is true:
+ *
+ * @li All of the data in the supplied dynamic buffer sequence has been written.
+ *
+ * @li The completion_condition function object returns 0.
+ *
+ * This operation is implemented in terms of zero or more calls to the stream's
+ * async_write_some function, and is known as a <em>composed operation</em>. The
+ * program must ensure that the stream performs no other write operations (such
+ * as async_write, the stream's async_write_some function, or any other composed
+ * operations that perform writes) until this operation completes.
+ *
+ * @param s The stream to which the data is to be written. The type must support
+ * the AsyncWriteStream concept.
+ *
+ * @param buffers The dynamic buffer sequence from which data will be written.
+ * Although the buffers object may be copied as necessary, ownership of the
+ * underlying memory blocks is retained by the caller, which must guarantee
+ * that they remain valid until the handler is called. Successfully written
+ * data is automatically consumed from the buffers.
+ *
+ * @param completion_condition The function object to be called to determine
+ * whether the write operation is complete. The signature of the function object
+ * must be:
+ * @code std::size_t completion_condition(
+ *   // Result of latest async_write_some operation.
+ *   const asio::error_code& error,
+ *
+ *   // Number of bytes transferred so far.
+ *   std::size_t bytes_transferred
+ * ); @endcode
+ * A return value of 0 indicates that the write operation is complete. A
+ * non-zero return value indicates the maximum number of bytes to be written on
+ * the next call to the stream's async_write_some function.
+ *
+ * @param handler The handler to be called when the write operation completes.
+ * Copies will be made of the handler as required. The function signature of the
+ * handler must be:
+ * @code void handler(
+ *   const asio::error_code& error, // Result of operation.
+ *
+ *   std::size_t bytes_transferred           // Number of bytes written from the
+ *                                           // buffers. If an error occurred,
+ *                                           // this will be less than the sum
+ *                                           // of the buffer sizes.
+ * ); @endcode
+ * Regardless of whether the asynchronous operation completes immediately or
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
+ */
+template <typename AsyncWriteStream, typename DynamicBuffer_v2,
+    typename CompletionCondition, typename WriteHandler>
+ASIO_INITFN_RESULT_TYPE(WriteHandler,
+    void (asio::error_code, std::size_t))
+async_write(AsyncWriteStream& s, DynamicBuffer_v2 buffers,
+    CompletionCondition completion_condition,
+    ASIO_MOVE_ARG(WriteHandler) handler,
+    typename enable_if<
+      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+    >::type* = 0);
 
 /*@}*/
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/write_at.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/write_at.hpp
index 7cd053f..80240dc 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/write_at.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/write_at.hpp
@@ -2,7 +2,7 @@
 // write_at.hpp
 // ~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -32,7 +32,8 @@ namespace asio {
 /**
  * @defgroup write_at asio::write_at
  *
- * @brief Write a certain amount of data at a specified offset before returning.
+ * @brief The @c write_at function is a composed operation that writes a
+ * certain amount of data at a specified offset before returning.
  */
 /*@{*/
 
@@ -392,8 +393,9 @@ std::size_t write_at(SyncRandomAccessWriteDevice& d, uint64_t offset,
 /**
  * @defgroup async_write_at asio::async_write_at
  *
- * @brief Start an asynchronous operation to write a certain amount of data at
- * the specified offset.
+ * @brief The @c async_write_at function is a composed asynchronous operation
+ * that writes a certain amount of data at the specified offset before
+ * completion.
  */
 /*@{*/
 
@@ -440,9 +442,9 @@ std::size_t write_at(SyncRandomAccessWriteDevice& d, uint64_t offset,
  *   std::size_t bytes_transferred
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @par Example
  * To write a single data buffer use the @ref buffer function as follows:
@@ -518,9 +520,9 @@ async_write_at(AsyncRandomAccessWriteDevice& d, uint64_t offset,
  *   std::size_t bytes_transferred
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @par Example
  * To write a single data buffer use the @ref buffer function as follows:
@@ -585,9 +587,9 @@ async_write_at(AsyncRandomAccessWriteDevice& d,
  *   std::size_t bytes_transferred
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  */
 template <typename AsyncRandomAccessWriteDevice, typename Allocator,
     typename WriteHandler>
@@ -651,9 +653,9 @@ async_write_at(AsyncRandomAccessWriteDevice& d, uint64_t offset,
  *   std::size_t bytes_transferred
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation of
- * the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  */
 template <typename AsyncRandomAccessWriteDevice, typename Allocator,
     typename CompletionCondition, typename WriteHandler>
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/yield.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/yield.hpp
index a739939..d37d146 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/yield.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/yield.hpp
@@ -2,7 +2,7 @@
 // yield.hpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/Makefile.am b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/Makefile.am
index c308ea0..4ec11cd 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/Makefile.am
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/Makefile.am
@@ -1,10 +1,18 @@
-if STANDALONE
-SUBDIRS = examples/cpp11 tests
-else
-SUBDIRS = examples/cpp03 tests
+if !STANDALONE
+EXAMPLES_CPP03 = examples/cpp03
 endif
 
-DIST_SUBDIRS = examples/cpp03 examples/cpp11 examples/cpp14 tests
+if HAVE_CXX11
+EXAMPLES_CPP11 = examples/cpp11
+endif
+
+if HAVE_CXX14
+EXAMPLES_CPP14 = examples/cpp14
+endif
+
+SUBDIRS = $(EXAMPLES_CPP03) $(EXAMPLES_CPP11) $(EXAMPLES_CPP14) tests
+
+DIST_SUBDIRS = examples/cpp03 examples/cpp11 examples/cpp14 examples/cpp17 tests
 
 EXTRA_DIST = \
 	Makefile.mgw \
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/Makefile.mgw b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/Makefile.mgw
index 5056c87..86b208c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/Makefile.mgw
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/Makefile.mgw
@@ -16,8 +16,6 @@ UNIT_TEST_EXES = \
 	tests/unit/basic_deadline_timer.exe \
 	tests/unit/basic_raw_socket.exe \
 	tests/unit/basic_seq_packet_socket.exe \
-	tests/unit/basic_serial_port.exe \
-	tests/unit/basic_signal_set.exe \
 	tests/unit/basic_socket_acceptor.exe \
 	tests/unit/basic_stream_socket.exe \
 	tests/unit/basic_streambuf.exe \
@@ -30,8 +28,6 @@ UNIT_TEST_EXES = \
 	tests/unit/completion_condition.exe \
 	tests/unit/connect.exe \
 	tests/unit/coroutine.exe \
-	tests/unit/datagram_socket_service.exe \
-	tests/unit/deadline_timer_service.exe \
 	tests/unit/deadline_timer.exe \
 	tests/unit/error.exe \
 	tests/unit/generic/basic_endpoint.exe \
@@ -53,7 +49,6 @@ UNIT_TEST_EXES = \
 	tests/unit/ip/icmp.exe \
 	tests/unit/ip/multicast.exe \
 	tests/unit/ip/resolver_query_base.exe \
-	tests/unit/ip/resolver_service.exe \
 	tests/unit/ip/tcp.exe \
 	tests/unit/ip/udp.exe \
 	tests/unit/ip/unicast.exe \
@@ -61,21 +56,15 @@ UNIT_TEST_EXES = \
 	tests/unit/is_read_buffered.exe \
 	tests/unit/is_write_buffered.exe \
 	tests/unit/placeholders.exe \
-	tests/unit/raw_socket_service.exe \
 	tests/unit/read.exe \
 	tests/unit/read_at.exe \
 	tests/unit/read_until.exe \
-	tests/unit/seq_packet_socket_service.exe \
 	tests/unit/serial_port.exe \
 	tests/unit/serial_port_base.exe \
-	tests/unit/serial_port_service.exe \
 	tests/unit/signal_set.exe \
-	tests/unit/signal_set_service.exe \
-	tests/unit/socket_acceptor_service.exe \
 	tests/unit/socket_base.exe \
 	tests/unit/steady_timer.exe \
 	tests/unit/strand.exe \
-	tests/unit/stream_socket_service.exe \
 	tests/unit/streambuf.exe \
 	tests/unit/system_executor.exe \
 	tests/unit/system_context.exe \
@@ -90,18 +79,10 @@ UNIT_TEST_EXES = \
 	tests/unit/ts/netfwd.exe \
 	tests/unit/ts/socket.exe \
 	tests/unit/ts/timer.exe \
-	tests/unit/waitable_timer_service.exe \
-	tests/unit/windows/basic_handle.exe \
-	tests/unit/windows/basic_object_handle.exe \
-	tests/unit/windows/basic_random_access_handle.exe \
-	tests/unit/windows/basic_stream_handle.exe \
 	tests/unit/windows/object_handle.exe \
-	tests/unit/windows/object_handle_service.exe \
 	tests/unit/windows/overlapped_ptr.exe \
 	tests/unit/windows/random_access_handle.exe \
-	tests/unit/windows/random_access_handle_service.exe \
 	tests/unit/windows/stream_handle.exe \
-	tests/unit/windows/stream_handle_service.exe \
 	tests/unit/write.exe \
 	tests/unit/write_at.exe
 
@@ -128,9 +109,9 @@ EXAMPLE_EXES = \
 	examples/cpp03/socks4/sync_client.exe \
 	examples/cpp03/timeouts/async_tcp_client.exe \
 	examples/cpp03/timeouts/blocking_tcp_client.exe \
+	examples/cpp03/timeouts/blocking_token_tcp_client.exe \
 	examples/cpp03/timeouts/blocking_udp_client.exe \
 	examples/cpp03/timeouts/server.exe \
-	examples/cpp03/timers/tick_count_timer.exe \
 	examples/cpp03/timers/time_t_timer.exe \
 	examples/cpp03/tutorial/timer1/timer.exe \
 	examples/cpp03/tutorial/timer2/timer.exe \
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/Makefile.msc b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/Makefile.msc
index 826fe6d..8fafd15 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/Makefile.msc
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/Makefile.msc
@@ -34,7 +34,7 @@ TRACKING_CXXFLAGS = -DASIO_ENABLE_HANDLER_TRACKING
 ! ifdef STORE
 _WIN32_WINNT=0x0603
 ! else
-_WIN32_WINNT=0x0501
+_WIN32_WINNT=0x0601
 ! endif
 !endif
 
@@ -76,7 +76,7 @@ SEPARATE_COMPILATION_CXXFLAGS = \
 !ifdef STANDALONE
 STANDALONE_CXXFLAGS = -DASIO_STANDALONE
 !else
-STANDALONE_CXXFLAGS = -I$(BOOSTDIR)
+STANDALONE_CXXFLAGS = -I$(BOOSTDIR) -DASIO_ENABLE_BOOST
 !endif
 
 CXXFLAGS = \
@@ -110,28 +110,40 @@ PERFORMANCE_TEST_EXES = \
 	tests\performance\server.exe
 
 UNIT_TEST_EXES = \
+	tests\unit\associated_allocator.exe \
+	tests\unit\associated_executor.exe \
+	tests\unit\async_result.exe \
+	tests\unit\awaitable.exe \
 	tests\unit\basic_datagram_socket.exe \
 	tests\unit\basic_deadline_timer.exe \
 	tests\unit\basic_raw_socket.exe \
 	tests\unit\basic_seq_packet_socket.exe \
 	tests\unit\basic_serial_port.exe \
 	tests\unit\basic_signal_set.exe \
+	tests\unit\basic_socket.exe \
 	tests\unit\basic_socket_acceptor.exe \
 	tests\unit\basic_stream_socket.exe \
 	tests\unit\basic_streambuf.exe \
 	tests\unit\basic_waitable_timer.exe \
+	tests\unit\bind_executor.exe \
 	tests\unit\buffered_read_stream.exe \
 	tests\unit\buffered_stream.exe \
 	tests\unit\buffered_write_stream.exe \
 	tests\unit\buffer.exe \
 	tests\unit\buffers_iterator.exe \
+	tests\unit\co_spawn.exe \
 	tests\unit\completion_condition.exe \
+	tests\unit\compose.exe \
 	tests\unit\connect.exe \
 	tests\unit\coroutine.exe \
-	tests\unit\datagram_socket_service.exe \
-	tests\unit\deadline_timer_service.exe \
 	tests\unit\deadline_timer.exe \
+	tests\unit\defer.exe \
+	tests\unit\detached.exe \
+	tests\unit\dispatch.exe \
 	tests\unit\error.exe \
+	tests\unit\execution_context.exe \
+	tests\unit\executor.exe \
+	tests\unit\executor_work_guard.exe \
 	tests\unit\generic\basic_endpoint.exe \
 	tests\unit\generic\datagram_protocol.exe \
 	tests\unit\generic\raw_protocol.exe \
@@ -139,9 +151,14 @@ UNIT_TEST_EXES = \
 	tests\unit\generic\stream_protocol.exe \
 	tests\unit\high_resolution_timer.exe \
 	tests\unit\io_context.exe \
+	tests\unit\io_context_strand.exe \
 	tests\unit\ip\address.exe \
 	tests\unit\ip\address_v4.exe \
+	tests\unit\ip\address_v4_iterator.exe \
+	tests\unit\ip\address_v4_range.exe \
 	tests\unit\ip\address_v6.exe \
+	tests\unit\ip\address_v6_iterator.exe \
+	tests\unit\ip\address_v6_range.exe \
 	tests\unit\ip\basic_endpoint.exe \
 	tests\unit\ip\basic_resolver.exe \
 	tests\unit\ip\basic_resolver_entry.exe \
@@ -150,34 +167,33 @@ UNIT_TEST_EXES = \
 	tests\unit\ip\host_name.exe \
 	tests\unit\ip\icmp.exe \
 	tests\unit\ip\multicast.exe \
+	tests\unit\ip\network_v4.exe \
+	tests\unit\ip\network_v6.exe \
 	tests\unit\ip\resolver_query_base.exe \
-	tests\unit\ip\resolver_service.exe \
 	tests\unit\ip\tcp.exe \
 	tests\unit\ip\udp.exe \
 	tests\unit\ip\unicast.exe \
 	tests\unit\ip\v6_only.exe \
 	tests\unit\is_read_buffered.exe \
 	tests\unit\is_write_buffered.exe \
+	tests\unit\packaged_task.exe \
 	tests\unit\placeholders.exe \
-	tests\unit\raw_socket_service.exe \
+	tests\unit\post.exe \
 	tests\unit\read.exe \
 	tests\unit\read_at.exe \
 	tests\unit\read_until.exe \
-	tests\unit\seq_packet_socket_service.exe \
+	tests\unit\redirect_error.exe \
 	tests\unit\serial_port.exe \
 	tests\unit\serial_port_base.exe \
-	tests\unit\serial_port_service.exe \
 	tests\unit\signal_set.exe \
-	tests\unit\signal_set_service.exe \
-	tests\unit\socket_acceptor_service.exe \
 	tests\unit\socket_base.exe \
-	tests\unit\strand.exe \
 	tests\unit\steady_timer.exe \
-	tests\unit\stream_socket_service.exe \
+	tests\unit\strand.exe \
 	tests\unit\streambuf.exe \
 	tests\unit\system_context.exe \
 	tests\unit\system_executor.exe \
 	tests\unit\system_timer.exe \
+	tests\unit\this_coro.exe \
 	tests\unit\thread.exe \
 	tests\unit\time_traits.exe \
 	tests\unit\ts\buffer.exe \
@@ -188,18 +204,19 @@ UNIT_TEST_EXES = \
 	tests\unit\ts\netfwd.exe \
 	tests\unit\ts\socket.exe \
 	tests\unit\ts\timer.exe \
-	tests\unit\waitable_timer_service.exe \
-	tests\unit\windows\basic_handle.exe \
+	tests\unit\use_awaitable.exe \
+	tests\unit\use_future.exe \
+	tests\unit\uses_executor.exe \
+	tests\unit\wait_traits.exe \
 	tests\unit\windows\basic_object_handle.exe \
+	tests\unit\windows\basic_overlapped_handle.exe \
 	tests\unit\windows\basic_random_access_handle.exe \
 	tests\unit\windows\basic_stream_handle.exe \
 	tests\unit\windows\object_handle.exe \
-	tests\unit\windows\object_handle_service.exe \
+	tests\unit\windows\overlapped_handle.exe \
 	tests\unit\windows\overlapped_ptr.exe \
 	tests\unit\windows\random_access_handle.exe \
-	tests\unit\windows\random_access_handle_service.exe \
 	tests\unit\windows\stream_handle.exe \
-	tests\unit\windows\stream_handle_service.exe \
 	tests\unit\write.exe \
 	tests\unit\write_at.exe
 
@@ -234,9 +251,9 @@ CPP03_EXAMPLE_EXES = \
 	examples\cpp03\socks4\sync_client.exe \
 	examples\cpp03\timeouts\async_tcp_client.exe \
 	examples\cpp03\timeouts\blocking_tcp_client.exe \
+	examples\cpp03\timeouts\blocking_token_tcp_client.exe \
 	examples\cpp03\timeouts\blocking_udp_client.exe \
 	examples\cpp03\timeouts\server.exe \
-	examples\cpp03\timers\tick_count_timer.exe \
 	examples\cpp03\timers\time_t_timer.exe \
 	examples\cpp03\tutorial\timer1\timer.exe \
 	examples\cpp03\tutorial\timer2\timer.exe \
@@ -405,6 +422,12 @@ tests\unit\unit_test.obj: tests\unit\unit_test.cpp
 {examples\cpp11\executors}.cpp{examples\cpp11\executors}.exe:
 	cl -Fe$@ -Fo$(<:.cpp=.obj) $(CXXFLAGS) $(DEFINES) $< $(LIBS) -link -opt:ref
 
+{examples\cpp11\operations}.cpp{examples\cpp11\operations}.exe:
+	cl -Fe$@ -Fo$(<:.cpp=.obj) $(CXXFLAGS) $(DEFINES) $< $(LIBS) -link -opt:ref
+
+{examples\cpp14\operations}.cpp{examples\cpp14\operations}.exe:
+	cl -Fe$@ -Fo$(<:.cpp=.obj) $(CXXFLAGS) $(DEFINES) $< $(LIBS) -link -opt:ref
+
 examples\cpp03\http\server\http_server.exe: \
 		examples\cpp03\http\server\connection.cpp \
 		examples\cpp03\http\server\connection_manager.cpp \
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/asio.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/asio.cpp
index 3fc5d89..1265113 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/asio.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/asio.cpp
@@ -2,7 +2,7 @@
 // asio.cpp
 // ~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/asio_ssl.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/asio_ssl.cpp
index 959c14a..d232f00 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/asio_ssl.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/asio_ssl.cpp
@@ -2,7 +2,7 @@
 // asio_ssl.cpp
 // ~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/Jamfile.v2 b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/Jamfile.v2
index b6364bc..715e446 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/Jamfile.v2
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/Jamfile.v2
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+# Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 #
 # Distributed under the Boost Software License, Version 1.0. (See accompanying
 # file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/asio.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/asio.qbk
index 251c154..db3f4a8 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/asio.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/asio.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -7,7 +7,7 @@
 
 [library Asio
     [quickbook 1.4]
-    [copyright 2003 - 2017 Christopher M. Kohlhoff]
+    [copyright 2003 - 2019 Christopher M. Kohlhoff]
     [purpose Networking library]
     [license
         Distributed under the Boost Software License, Version 1.0.
@@ -19,6 +19,7 @@
 ]
 
 [template mdash[] '''&mdash; ''']
+[template hr[] [br]'''<phrase role="silver">'''[mdash]'''</phrase>'''[br]]
 [template half_open_range[text] '''&#91;'''[text])]
 [template indexterm1[id term1] '''<indexterm id="'''[id]'''"><primary>'''[term1]'''</primary></indexterm>''']
 [template indexterm2[id term1 term2] '''<indexterm id="'''[id]'''"><primary>'''[term1]'''</primary><secondary>'''[term2]'''</secondary></indexterm>''']
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/asioref.xsl b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/asioref.xsl
index db8424a..c41b0db 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/asioref.xsl
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/asioref.xsl
@@ -2,7 +2,7 @@
 <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
 
 <!--
-  Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+  Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 
   Distributed under the Boost Software License, Version 1.0. (See accompanying
   file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/doxy2qbk.pl b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/doxy2qbk.pl
index a41cb5a..b3e01ad 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/doxy2qbk.pl
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/doxy2qbk.pl
@@ -1,6 +1,6 @@
 #!/usr/bin/perl -w
 
-# Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+# Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 #
 # Distributed under the Boost Software License, Version 1.0. (See accompanying
 # file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/examples.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/examples.qbk
index 653e6da..91b84f0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/examples.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/examples.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -20,6 +20,9 @@ To show the changes between C++03 and C++11, these examples include a diff
 between the C++03 and C++11 versions.
 [/boostify: non-boost docs end here]
 
+* [link asio.examples.cpp17_examples C++17 Examples]: Selected examples
+illustrating C++17 usage in conjunction with Technical Specifications.
+
 
 [section:cpp03_examples C++03 Examples]
 
@@ -268,15 +271,15 @@ operations after a period of time.
 
 * [@../src/examples/cpp03/timeouts/async_tcp_client.cpp]
 * [@../src/examples/cpp03/timeouts/blocking_tcp_client.cpp]
+* [@../src/examples/cpp03/timeouts/blocking_token_tcp_client.cpp]
 * [@../src/examples/cpp03/timeouts/blocking_udp_client.cpp]
 * [@../src/examples/cpp03/timeouts/server.cpp]
 
 
 [heading Timers]
 
-Examples showing how to customise deadline_timer using different time types.
+Example showing how to customise basic_waitable_timer using a different clock type.
 
-* [@../src/examples/cpp03/timers/tick_count_timer.cpp]
 * [@../src/examples/cpp03/timers/time_t_timer.cpp]
 
 
@@ -442,6 +445,29 @@ library that wants to perform the I/O operations itself.
 * [@../src/examples/cpp11/nonblocking/third_party_lib.cpp] ([@examples/diffs/nonblocking/third_party_lib.cpp.html diff to C++03])
 
 
+[heading Operations]
+
+Examples showing how to implement composed asynchronous operations as reusable library functions.
+
+* [@../src/examples/cpp11/operations/composed_1.cpp]
+* [@../src/examples/cpp11/operations/composed_2.cpp]
+* [@../src/examples/cpp11/operations/composed_3.cpp]
+* [@../src/examples/cpp11/operations/composed_4.cpp]
+* [@../src/examples/cpp11/operations/composed_5.cpp]
+* [@../src/examples/cpp11/operations/composed_6.cpp]
+* [@../src/examples/cpp11/operations/composed_7.cpp]
+* [@../src/examples/cpp11/operations/composed_8.cpp]
+
+
+[heading SOCKS 4]
+
+Example client program implementing the SOCKS 4 protocol for communication via
+a proxy.
+
+* [@../src/examples/cpp11/socks4/sync_client.cpp] ([@examples/diffs/socks4/sync_client.cpp.html diff to C++03])
+* [@../src/examples/cpp11/socks4/socks4.hpp] ([@examples/diffs/socks4/socks4.hpp.html diff to C++03])
+
+
 [heading Spawn]
 
 Example of using the asio::spawn() function, a wrapper around the
@@ -452,6 +478,34 @@ coroutines.
 * [@../src/examples/cpp11/spawn/echo_server.cpp] ([@examples/diffs/spawn/echo_server.cpp.html diff to C++03])
 
 
+[heading SSL]
+
+Example client and server programs showing the use of the [link
+asio.reference.ssl__stream ssl::stream<>] template with asynchronous operations.
+
+* [@../src/examples/cpp11/ssl/client.cpp] ([@examples/diffs/ssl/client.cpp.html diff to C++03])
+* [@../src/examples/cpp11/ssl/server.cpp] ([@examples/diffs/ssl/server.cpp.html diff to C++03])
+
+
+[heading Timeouts]
+
+A collection of examples showing how to cancel long running asynchronous
+operations after a period of time.
+
+* [@../src/examples/cpp11/timeouts/async_tcp_client.cpp] ([@examples/diffs/timeouts/async_tcp_client.cpp.html diff to C++03])
+* [@../src/examples/cpp11/timeouts/blocking_tcp_client.cpp] ([@examples/diffs/timeouts/blocking_tcp_client.cpp.html diff to C++03])
+* [@../src/examples/cpp11/timeouts/blocking_token_tcp_client.cpp] ([@examples/diffs/timeouts/blocking_token_tcp_client.cpp.html diff to C++03])
+* [@../src/examples/cpp11/timeouts/blocking_udp_client.cpp] ([@examples/diffs/timeouts/blocking_udp_client.cpp.html diff to C++03])
+* [@../src/examples/cpp11/timeouts/server.cpp] ([@examples/diffs/timeouts/server.cpp.html diff to C++03])
+
+
+[heading Timers]
+
+Example showing how to customise basic_waitable_timer using a different clock type.
+
+* [@../src/examples/cpp11/timers/time_t_timer.cpp] ([@examples/diffs/timers/time_t_timer.cpp.html diff to C++03])
+
+
 [heading UNIX Domain Sockets]
 
 Examples showing how to use UNIX domain (local) sockets.
@@ -465,4 +519,42 @@ Examples showing how to use UNIX domain (local) sockets.
 [endsect]
 
 
+[section:cpp14_examples C++14 Examples]
+
+
+[heading Operations]
+
+Examples showing how to implement composed asynchronous operations as reusable library functions.
+
+* [@../src/examples/cpp14/operations/composed_1.cpp]
+* [@../src/examples/cpp14/operations/composed_2.cpp]
+* [@../src/examples/cpp14/operations/composed_3.cpp]
+* [@../src/examples/cpp14/operations/composed_4.cpp]
+* [@../src/examples/cpp14/operations/composed_5.cpp]
+* [@../src/examples/cpp14/operations/composed_6.cpp]
+* [@../src/examples/cpp14/operations/composed_7.cpp]
+* [@../src/examples/cpp14/operations/composed_8.cpp]
+
+
+[endsect]
+
+
+[section:cpp17_examples C++17 Examples]
+
+
+[heading Coroutines TS Support]
+
+Examples showing how to implement a chain of asynchronous operations using the
+Coroutines TS.
+
+* [@../src/examples/cpp17/coroutines_ts/echo_server.cpp]
+* [@../src/examples/cpp17/coroutines_ts/refactored_echo_server.cpp]
+* [@../src/examples/cpp17/coroutines_ts/double_buffered_echo_server.cpp]
+* [@../src/examples/cpp17/coroutines_ts/chat_server.cpp]
+* [@../src/examples/cpp17/coroutines_ts/range_based_for.cpp]
+
+
+[endsect]
+
+
 [endsect]
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/history.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/history.qbk
index 772491e..3dedb9d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/history.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/history.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -7,6 +7,344 @@
 
 [section:history Revision History]
 
+[heading Asio 1.13.0]
+
+* Added custom I/O executor support to I/O objects.
+
+  * All I/O objects now have an additional `Executor` template parameter. This
+    template parameter defaults to the `asio::executor` type (the polymorphic
+    executor wrapper) but can be used to specify a user-defined executor
+    type.
+
+  * I/O objects' constructors and functions that previously took an
+    `asio::io_context&` now accept either an `Executor` or a reference to a
+    concrete `ExecutionContext` (such as `asio::io_context` or
+    `asio::thread_pool`).
+
+  * Note: One potential source of breakage in existing user code is when reusing an
+    I/O object's `io_context` for constructing another I/O object, as in:
+    ``
+    asio::steady_timer my_timer(my_socket.get_executor().context());
+    ``[br]
+    To fix this, either construct the second I/O object using the first I/O
+    object's executor:[br]
+    ``
+    asio::steady_timer my_timer(my_socket.get_executor());
+    ``[br]
+    or otherwise explicitly pass the `io_context`:[br]
+    ``
+    asio::steady_timer my_timer(my_io_context);
+    ``[br]
+
+  * The previously deprecated `get_io_context` and `get_io_service`
+    member functions have now been removed.
+
+  * The previously deprecated service template parameters, and the
+    corresponding classes, have now been removed.
+
+* Added a new `async_result` form with an `initiate` static member function.
+
+  * The `async_result` template now supports a new form:
+    ``
+    template <typename CompletionToken, typename Signature>
+    struct async_result
+    {
+      typedef /* ... */ return_type;
+
+      template <typename Initiation,
+          typename RawCompletionToken,
+          typename... Args>
+      static return_type initiate(
+          Initiation&& initiation,
+          RawCompletionToken&& token,
+          Args&&... args);
+    };
+    ``[br]
+
+  * The `initiate` member function must: (a) transform the token into a
+    completion handler object `handler`; (b) cause the invocation of the
+    function object `initiation` as if by calling
+    `std::forward<Initiation>(initiation)(std::move(handler),
+    std::forward<Args>(args)...)`. Note that the invocation of `initiation`
+    may be deferred (e.g. lazily evaluated), in which case `initiation` and
+    `args` must be decay-copied and moved as required.
+
+  * A helper function template `async_initiate` has also been added as a
+    wrapper for the invocation of `async_result<>::initiate`. For backward
+    compatibility, this function supports both the old and new `async_result`
+    forms.
+
+  * The composed operations examples have been updated to use `async_initiate`.
+
+  * The previously deprecated `handler_type` trait and single-argument form of
+    `async_result` have now been removed.
+
+* Updated the Coroutines TS support and promoted it to the `asio` namespace.
+
+  * The `awaitable<>`, `co_spawn`, `this_coro`, `detached`, and
+    `redirect_error` facilities have been moved from the `asio::experimental`
+    namespace to namespace `asio`. As part of this change, the
+    `this_coro::token()` awaitable has been superseded by the
+    `asio::use_awaitable` completion token.
+
+  * Please note that the `use_awaitable` and `redirect_error` completion tokens
+    work only with asynchronous operations that use the new form of
+    `async_result` with member function `initiate`. Furthermore, when using
+    `use_awaitable`, please be aware that the asynchronous operation is not
+    initiated until `co_await` is applied to the `awaitable<>`.
+
+* Added a new `DynamicBuffer_v2` concept which is CopyConstructible.
+
+  * This change adds a new set of type requirements for dynamic buffers,
+    `DynamicBuffer_v2`, which supports copy construction. These new type
+    requirements enable dynamic buffers to be used as arguments to
+    user-defined composed operations, where the same dynamic buffer object
+    is used repeatedly for multiple underlying operations. For example:[br]
+    ``
+      template <typename DynamicBuffer>
+      void echo_line(tcp::socket& sock, DynamicBuffer buf)
+      {
+        n = asio::read_until(sock, buf, '\n');
+        asio::write(sock, buf, asio::transfer_exactly(n));
+      }
+    ``[br]
+
+  * The original `DynamicBuffer` type requirements have been renamed to
+    `DynamicBuffer_v1`. These requirements continue to be compatible with the
+    Networking TS.
+
+  * New type traits `is_dynamic_buffer_v1` and `is_dynamic_buffer_v2` have been
+    added to test for conformance to `DynamicBuffer_v1` and `DynamicBuffer_v2`
+    respectively. The existing `is_dynamic_buffer` trait has been retained and
+    delegates to `is_dynamic_buffer_v1` (unless `ASIO_NO_DYNAMIC_BUFFER_V1` is
+    explicitly defined, in which case it delegates to `is_dynamic_buffer_v2`).
+
+  * For convenience, the `dynamic_string_buffer` and `dynamic_vector_buffer`
+    classes conform to both `DynamicBuffer_v1` and `DynamicBuffer_v2`
+    requirements.
+
+  * When `ASIO_NO_DYNAMIC_BUFFER_V1` is defined, all support for
+    `DynamicBuffer_v1` types and functions is #ifdef-ed out. Support for using
+    `basic_streambuf` with the `read`, `async_read`, `read_until`,
+    `async_read_until`, `write`, and `async_write` functions is also disabled
+    as a consequence.
+
+  * Note: This change should have no impact on existing source code that simply
+    uses dynamic buffers in conjunction with Asio's composed operations.
+
+* Added a new `async_compose` function that simplifies the implementation of
+  user-defined asynchronous operations.
+
+* Added a `make_strand` function, which creates a `strand` with a deduced
+  `Executor` template argument.
+
+* Relaxed the completion condition type requirements to only require
+  move-constructibility rather than copy-constructibility.
+
+* Added a constructor for `local::basic_endpoint` that takes a `string_view`.
+
+* Added the noexcept qualifier to various member functions of the
+  `ip::address`, `ip::address_v4`, `ip::address_v6`, `ip::basic_endpoint`, and
+  `executor_work_guard` classes.
+
+* Added the noexcept qualifier to the `buffer_sequence_begin` and
+  `buffer_sequence_end` functions.
+
+* Added a new `ASIO_DISABLE_VISIBILITY` configuration `#define` that allows
+  visibility pragmas to be disabled. (Note: If symbols are hidden, extra care
+  must be taken to ensure that Asio types are not passed across shared
+  library API boundaries.)
+
+* Changed compile-time feature detection to define `ASIO_STANDALONE`
+  automatically if C++11 or later is detected.
+
+  * Users should define `ASIO_ENABLE_BOOST` to explicitly disable standalone
+    mode when compiling with C++11 or later.
+
+  * The `configure` script now defaults to a standalone build unless Boost is
+    specified or detected.
+
+* Enabled recycling of the memory used to type-erase a function object with the
+  polymorphic executor.
+
+* Changed receive operations to return the correct number of bytes transferred
+  when truncation (`error::message_size`) occurs on a datagram-oriented socket.
+
+* Fixed multicast behaviour on QNX by automatically applying `SO_REUSEPORT`
+  when the `reuse_address` option is set.
+
+* Added inclusion of `unistd.h` when targeting Haiku OS, to fix feature detection.
+
+* Added the `network_v[46].hpp` headers to the top-level convenience header.
+
+* Fixed calculation of absolute timeout when the backend uses
+  `pthread_cond_timedwait`.
+
+* Changed the range-based asynchronous connect operation to deduce the
+  `EndpointSequence` iterator type rather than assume the presence of a
+  `const_iterator` typedef.
+
+* Fixed `buffer_sequence_begin` and `buffer_sequence_end` to prevent implicit
+  conversion. This change addresses an issue where a call to
+  `buffer_sequence_begin` or `buffer_sequence_end` could trigger an implicit
+  conversion to `const_buffer` or `mutable_buffer`. Whenever this implicit
+  conversion occurred, the return value of `buffer_sequence_begin` or
+  `buffer_sequence_end` would point to a temporary object.
+
+* Ensured SSL handshake errors are propagated to the peer before the local
+  operation completes.
+
+* Suppressed the `eof` error on SSL shutdown as it actually indicates success.
+
+* Added a fallback error code for when we OpenSSL produces an
+  `SSL_ERROR_SYSCALL` result without an associated error.
+
+* Changed composed asynchronous read and write operations to move, rather than
+  copy, the buffer sequence objects when the composed operation implementation
+  is moved.
+
+* Changed to use `<atomic>` when targeting apple/clang/libc++ with recent Xcode
+  versions, even for C++03. This fixes a warning about the deprecation of
+  `OSMemoryBarrier`.
+
+* Fixed compile errors that occur when using the composed read and write
+  operations with MSVC 11.0, by disabling `decltype` support for that compiler.
+
+* Increased the default value of `_WIN32_WINNT` to `0x0601` (Windows 7).
+
+* Fixed `dispatch` documentation to note that it may call the supplied function
+  object in the current thread.
+
+* Updated `post` and `defer` documentation to clarify the the distinction
+  between them.
+
+[heading Asio 1.12.2]
+
+* Fixed a problem with the detection of `std::future` availability with
+  libstdc++.
+
+* Fixed compile error in regex overload of `read_until`.
+
+* Fixed a timer heap corruption issue that can occur when moving a cancelled
+  timer.
+
+* Fixed detection of `std::experimental::string_view` and `std::string_view`
+  with newer clang/libc++.
+
+* Fixed MSVC version detection for availability of `std::invoke_result`.
+
+* Fixed the buffer sequence traits to test the new requirements, if `decltype`
+  is available.
+
+* Fixed an MSVC issue when building with exceptions disabled.
+
+* Added SSL context options for TLS v1.3.
+
+* Added a compile-time test for TLS v1 support.
+
+* Fixed the macro used to test for TLS v1.2 support.
+
+* Prevented global objects from being created once per thread on Windows.
+
+* Fixed a crash when using `size()`, `max_size()` or `empty()` on
+  default-constructed resolver results.
+
+* Changed to move the return value in basic_resolver_results::begin() to avoid
+  copying.
+
+* Enabled move support for the Intel Compiler.
+
+* Fixed `std::string_view` detection issue when using clang-cl.
+
+* Fixed the handler tracking operation name for
+  `io_context::executor_type::dispatch`.
+
+* Fixed a buffer overflow that could occur when parsing an address string with
+  a 64-bit scope id.
+
+* Added examples showing how to write composed operations.
+
+* Added C++11 versions of the Timeouts, Timers, SOCKS4 and SSL examples.
+
+* Fixed minor issues in documentation and examples.
+
+[heading Asio 1.12.1]
+
+* Added missing const qualifier to `basic_socket_acceptor::get_option`.
+
+* Worked around a parsing error that occurs with some versions of gcc.
+
+* Fixed broken code samples in tutorial.
+
+* Added new experimental features. (Note that "experimental" features may be
+  changed without notice in subsequent releases.)
+
+  * Added `experimental::detached` completion token.
+
+  * Added `experimental::redirect_error` completion token.
+
+  * Added `experimental::co_spawn` facility for integration with the coroutines
+    technical specification.
+
+* Updated timeout examples to use latest features.
+
+  * Used `asio::steady_timer` rather than `asio::deadline_timer`.
+
+  * Used `asio::dynamic_buffer` rather than `asio::streambuf`.
+
+  * Used timed `asio::io_context::run_for()` function for blocking clients.
+
+  * Added example showing a custom completion token for blocking with timeouts.
+
+* Fixed unit tests to compile when `(BOOST_)ASIO_NO_DEPRECATED` is defined.
+
+* Changed socket iostreams to use chrono by default, to fix compatibility with
+  the Networking TS. Define `(BOOST_)ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM`
+  to enable the old Boost.Date_Time interface in `basic_socket_streambuf` and
+  `basic_socket_iostream`.
+
+* Updated examples to use chrono rather than Boost.Date_Time.
+
+* Fixed an incorrect member function detector in the `is_dynamic_buffer` trait.
+
+* Fixed an `async_result` incompatibility with deprecated `handler_type`.
+
+* Added a missing move optimisation in the SSL stream implementation.
+
+* Fixed incorrect `basic_resolver_results::value_type` typedef.
+
+* Fixed a compile error with some OpenSSL versions when `SSL_OP_NO_COMPRESSION`
+  is defined.
+
+* Changed `add_certificate_authority` to process multiple certificates in a bundle.
+
+* Eliminated deprecation warning with MSVC by using `std::invoke_result` rather
+  than `std::result_of`.
+
+* Changed to use `std::string_view` for C++17 or later, and
+  `std::experimental::string_view` for C++14. Define the preprocessor macro
+  `(BOOST_)ASIO_DISABLE_STD_STRING_VIEW` to force the use of
+  std::experimental::string_view (assuming it is available) when compiling in
+  C++17 mode.
+
+* Ensured `DynamicBuffer` template arguments are decayed before using in
+  `enable_if` tests.
+
+* Changed documentation to distinguish legacy completion handlers (which are
+  still required to be CopyConstructible) from new MoveConstructible handlers.
+
+* Suppressed a discarded return value warning in the buffer debugging support.
+
+* Fixed `basic_yield_context` to work with completion signatures containing
+  reference parameters.
+
+* Ensured that stackful coroutines launched using `spawn()` correctly store
+  decayed copies of their function and handler arguments.
+
+* Fixed some compatibility issues with Android.
+
+* Fixed some minor portability issues in examples.
+
 [heading Asio 1.12.0]
 
 * Completed the interface changes to reflect the Networking TS
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/index.xml b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/index.xml
index 0503318..84c24bf 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/index.xml
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/index.xml
@@ -2,7 +2,7 @@
 <!DOCTYPE library PUBLIC "-//Boost//DTD BoostBook XML V1.0//EN" "../../../boost/tools/boostbook/dtd/boostbook.dtd">
 
 <!--
-  Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+  Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 
   Distributed under the Boost Software License, Version 1.0. (See accompanying
   file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/makepdf.pl b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/makepdf.pl
index b7f47bd..882d3b9 100755
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/makepdf.pl
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/makepdf.pl
@@ -1,6 +1,6 @@
 #!/usr/bin/perl -w
 
-# Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+# Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 #
 # Distributed under the Boost Software License, Version 1.0. (See accompanying
 # file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/net_ts.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/net_ts.qbk
index 5642e0e..0396618 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/net_ts.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/net_ts.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -96,6 +96,13 @@ below shows the new Networking TS interfaces and the facilities they replace:
     [[link asio.reference.io_context.reset `io_service::reset`]]
     []
   ]
+  [
+    [[link asio.reference.io_context.io_context `io_context`] constructor
+    `concurrency_hint` parameter is type `int`]
+    [[link asio.reference.io_context.io_context `io_context`] constructor
+    `concurrency_hint` parameter is type `std::size_t`]
+    [The old constructor has not been retained as a deprecated overload.]
+  ]
   [
     [[link asio.reference.execution_context `execution_context`], [link
     asio.reference.execution_context__service `execution_context::service`],
@@ -135,8 +142,7 @@ below shows the new Networking TS interfaces and the facilities they replace:
   [
     [[link asio.reference.async_result `async_result`] with `CompletionToken`
     and `Signature` template parameters]
-    [[link asio.reference.handler_type `handler_type`] and single parameter
-    [link asio.reference.async_result_lt__Handler__gt_ `async_result`]]
+    [`handler_type` and single parameter `async_result`]
     [The `async_result` trait is now the single point of customisation for
     asynchronous operation completion handlers and return type.]
   ]
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview.qbk
index 545d646..9f3e7ad 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -22,6 +22,7 @@
   * [link asio.overview.core.concurrency_hint Concurrency Hints]
   * [link asio.overview.core.coroutine Stackless Coroutines]
   * [link asio.overview.core.spawn Stackful Coroutines]
+  * [link asio.overview.core.coroutines_ts Coroutines TS Support]
 * [link asio.overview.networking Networking]
   * [link asio.overview.networking.protocols TCP, UDP and ICMP]
   * [link asio.overview.networking.other_protocols Support for Other Protocols]
@@ -57,6 +58,7 @@
 * [link asio.overview.core.concurrency_hint Concurrency Hints]
 * [link asio.overview.core.coroutine Stackless Coroutines]
 * [link asio.overview.core.spawn Stackful Coroutines]
+* [link asio.overview.core.coroutines_ts Coroutines TS Support]
 
 [include overview/basics.qbk]
 [include overview/async.qbk]
@@ -71,6 +73,7 @@
 [include overview/concurrency_hint.qbk]
 [include overview/coroutine.qbk]
 [include overview/spawn.qbk]
+[include overview/coroutines_ts.qbk]
 
 [endsect]
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/allocation.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/allocation.qbk
index 5735be1..9f4eeb6 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/allocation.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/allocation.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/async.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/async.qbk
index e290440..55095b9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/async.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/async.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/basics.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/basics.qbk
index 62bf520..a482626 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/basics.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/basics.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/bsd_sockets.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/bsd_sockets.qbk
index 638b3cb..cc80265 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/bsd_sockets.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/bsd_sockets.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/buffers.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/buffers.qbk
index f4c2575..ebd23a2 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/buffers.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/buffers.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/concurrency_hint.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/concurrency_hint.qbk
index 9930cdc..5d710da 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/concurrency_hint.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/concurrency_hint.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/coroutine.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/coroutine.qbk
index ecac572..28426f8 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/coroutine.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/coroutine.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/coroutines_ts.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/coroutines_ts.qbk
new file mode 100644
index 0000000..da687fa
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/coroutines_ts.qbk
@@ -0,0 +1,97 @@
+[/
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ /
+ / Distributed under the Boost Software License, Version 1.0. (See accompanying
+ / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+ /]
+
+[section:coroutines_ts Coroutines TS Support]
+
+Support for the Coroutines TS is provided via the [link
+asio.reference.awaitable `awaitable`] class template, the [link
+asio.reference.use_awaitable_t `use_awaitable`] completion token, and the [link
+asio.reference.co_spawn `co_spawn()`] function. These facilities allow programs
+to implement asynchronous logic in a synchronous manner, in conjunction with
+the `co_await` keyword, as shown in the following example:
+
+  asio::co_spawn(executor,
+      [socket = std::move(socket)]() mutable
+      {
+        return echo(std::move(socket));
+      },
+      asio::detached);
+
+  // ...
+
+  asio::awaitable<void> echo(tcp::socket socket)
+  {
+    try
+    {
+      char data[1024];
+      for (;;)
+      {
+        std::size_t n = co_await socket.async_read_some(asio::buffer(data), asio::use_awaitable);
+        co_await async_write(socket, asio::buffer(data, n), asio::use_awaitable);
+      }
+    }
+    catch (std::exception& e)
+    {
+      std::printf("echo Exception: %s\n", e.what());
+    }
+  }
+
+The first argument to `co_spawn()` is an [link asio.reference.Executor1
+executor] that determines the context in which the coroutine is permitted to
+execute. For example, a server's per-client object may consist of multiple
+coroutines; they should all run on the same `strand` so that no explicit
+synchronisation is required.
+
+The second argument is a nullary function object that returns a [link
+asio.reference.awaitable `asio::awaitable<R>`],
+where `R` is the type of return value produced by the coroutine. In the above
+example, the coroutine returns `void`.
+
+The third argument is a completion token, and this is used by `co_spawn()` to
+produce a completion handler with signature `void(std::exception_ptr, R)`. This
+completion handler is invoked with the result of the coroutine once it has
+finished. In the above example we pass a completion token type, [link
+asio.reference.detached `asio::detached`], which is used to explicitly ignore
+the result of an asynchronous operation.
+
+In this example the body of the coroutine is implemented in the `echo`
+function. When the `use_awaitable` completion token is passed to an
+asynchronous operation, the operation's initiating function returns an
+`awaitable` that may be used with the `co_await` keyword:
+
+  std::size_t n = co_await socket.async_read_some(asio::buffer(data), asio::use_awaitable);
+
+Where an asynchronous operation's handler signature has the form:
+
+  void handler(asio::error_code ec, result_type result);
+
+the resulting type of the `co_await` expression is `result_type`. In the
+`async_read_some` example above, this is `size_t`. If the asynchronous
+operation fails, the `error_code` is converted into a `system_error` exception
+and thrown.
+
+Where a handler signature has the form:
+
+  void handler(asio::error_code ec);
+
+the `co_await` expression produces a `void` result. As above, an error is
+passed back to the coroutine as a `system_error` exception.
+
+[heading See Also]
+
+[link asio.reference.co_spawn co_spawn],
+[link asio.reference.detached detached],
+[link asio.reference.redirect_error redirect_error],
+[link asio.reference.awaitable awaitable],
+[link asio.reference.use_awaitable_t use_awaitable_t],
+[link asio.reference.use_awaitable use_awaitable],
+[link asio.reference.this_coro__executor this_coro::executor],
+[link asio.examples.cpp17_examples.coroutines_ts_support Coroutines TS examples],
+[link asio.overview.core.spawn Stackful Coroutines],
+[link asio.overview.core.coroutine Stackless Coroutines].
+
+[endsect]
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/cpp2011.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/cpp2011.qbk
index 374f4b8..c184acb 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/cpp2011.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/cpp2011.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/handler_tracking.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/handler_tracking.qbk
index 8b376cb..d3dd14d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/handler_tracking.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/handler_tracking.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/implementation.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/implementation.qbk
index 189658a..a3043a6 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/implementation.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/implementation.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/iostreams.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/iostreams.qbk
index 9546d45..4ba5487 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/iostreams.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/iostreams.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/line_based.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/line_based.qbk
index 8d38fa2..707f59b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/line_based.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/line_based.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/other_protocols.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/other_protocols.qbk
index 88fd6c8..2d89d42 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/other_protocols.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/other_protocols.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/posix.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/posix.qbk
index 523e876..ba63503 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/posix.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/posix.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/protocols.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/protocols.qbk
index 2d972d5..e479d92 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/protocols.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/protocols.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/rationale.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/rationale.qbk
index 2540d04..47ae9d9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/rationale.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/rationale.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/reactor.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/reactor.qbk
index 2f4056e..0ffff2d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/reactor.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/reactor.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/serial_ports.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/serial_ports.qbk
index bd142e7..9ac2fec 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/serial_ports.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/serial_ports.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/signals.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/signals.qbk
index b722c88..22d39b2 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/signals.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/signals.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/spawn.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/spawn.qbk
index 974f858..913fd2c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/spawn.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/spawn.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/ssl.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/ssl.qbk
index 03b92a4..61dd585 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/ssl.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/ssl.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -110,7 +110,8 @@ threaded programs.
 [link asio.reference.ssl__context ssl::context],
 [link asio.reference.ssl__rfc2818_verification ssl::rfc2818_verification],
 [link asio.reference.ssl__stream ssl::stream],
-[link asio.examples.cpp03_examples.ssl SSL example].
+[link asio.examples.cpp03_examples.ssl SSL example (C++03)],
+[link asio.examples.cpp11_examples.ssl SSL example (C++11)].
 
 [heading Notes]
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/strands.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/strands.qbk
index 4e19b24..c574c29 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/strands.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/strands.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/streams.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/streams.qbk
index c26ce85..79c026b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/streams.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/streams.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -27,7 +27,7 @@ type requirements:
 * `SyncWriteStream`, where synchronous write operations are performed using a
   member function called `write_some()`.
 
-* `AsyncWriteStream`, where synchronous write operations are performed using a
+* `AsyncWriteStream`, where asynchronous write operations are performed using a
   member function called `async_write_some()`.
 
 Examples of stream-oriented I/O objects include `ip::tcp::socket`,
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/threads.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/threads.qbk
index 4740268..960e24c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/threads.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/threads.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/timers.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/timers.qbk
index 24eecd3..e668497 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/timers.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/timers.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/windows.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/windows.qbk
index c39f07a..8bedb1b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/windows.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/overview/windows.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/quickref.xml b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/quickref.xml
index 5592cbb..51583d0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/quickref.xml
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/quickref.xml
@@ -2,7 +2,7 @@
 <!DOCTYPE library PUBLIC "-//Boost//DTD BoostBook XML V1.0//EN" "../../../boost/tools/boostbook/dtd/boostbook.dtd">
 
 <!--
-  Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+  Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 
   Distributed under the Boost Software License, Version 1.0. (See accompanying
   file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -26,7 +26,9 @@
         <entry valign="top">
           <bridgehead renderas="sect3">Classes</bridgehead>
           <simplelist type="vert" columns="1">
+            <member><link linkend="asio.reference.bad_executor">bad_executor</link></member>
             <member><link linkend="asio.reference.coroutine">coroutine</link></member>
+            <member><link linkend="asio.reference.detached_t">detached_t</link></member>
             <member><link linkend="asio.reference.error_code">error_code</link></member>
             <member><link linkend="asio.reference.execution_context">execution_context</link></member>
             <member><link linkend="asio.reference.execution_context__id">execution_context::id</link></member>
@@ -40,8 +42,10 @@
             <member><link linkend="asio.reference.io_context__strand">io_context::strand</link></member>
             <member><link linkend="asio.reference.io_context__work">io_context::work</link> (deprecated)</member>
             <member><link linkend="asio.reference.service_already_exists">service_already_exists</link></member>
+            <member><link linkend="asio.reference.system_context">system_context</link></member>
             <member><link linkend="asio.reference.system_error">system_error</link></member>
             <member><link linkend="asio.reference.system_executor">system_executor</link></member>
+            <member><link linkend="asio.reference.this_coro__executor_t">this_coro::executor_t</link></member>
             <member><link linkend="asio.reference.thread">thread</link></member>
             <member><link linkend="asio.reference.thread_pool">thread_pool</link></member>
             <member><link linkend="asio.reference.thread_pool__executor_type">thread_pool::executor_type</link></member>
@@ -51,38 +55,49 @@
         <entry valign="top">
           <bridgehead renderas="sect3">Free Functions</bridgehead>
           <simplelist type="vert" columns="1">
-            <member><link linkend="asio.reference.add_service">add_service</link></member>
+            <member><link linkend="asio.reference.execution_context.add_service">add_service</link></member>
             <member><link linkend="asio.reference.asio_handler_allocate">asio_handler_allocate</link></member>
             <member><link linkend="asio.reference.asio_handler_deallocate">asio_handler_deallocate</link></member>
             <member><link linkend="asio.reference.asio_handler_invoke">asio_handler_invoke</link></member>
             <member><link linkend="asio.reference.asio_handler_is_continuation">asio_handler_is_continuation</link></member>
+            <member><link linkend="asio.reference.async_compose">async_compose</link></member>
+            <member><link linkend="asio.reference.async_initiate">async_initiate</link></member>
             <member><link linkend="asio.reference.bind_executor">bind_executor</link></member>
+            <member><link linkend="asio.reference.co_spawn">co_spawn</link></member>
             <member><link linkend="asio.reference.dispatch">dispatch</link></member>
             <member><link linkend="asio.reference.defer">defer</link></member>
             <member><link linkend="asio.reference.get_associated_allocator">get_associated_allocator</link></member>
             <member><link linkend="asio.reference.get_associated_executor">get_associated_executor</link></member>
-            <member><link linkend="asio.reference.has_service">has_service</link></member>
+            <member><link linkend="asio.reference.execution_context.has_service">has_service</link></member>
+            <member><link linkend="asio.reference.make_strand">make_strand</link></member>
             <member><link linkend="asio.reference.make_work_guard">make_work_guard</link></member>
             <member><link linkend="asio.reference.post">post</link></member>
+            <member><link linkend="asio.reference.redirect_error">redirect_error</link></member>
             <member><link linkend="asio.reference.spawn">spawn</link></member>
-            <member><link linkend="asio.reference.use_service">use_service</link></member>
+            <member><link linkend="asio.reference.execution_context.use_service">use_service</link></member>
           </simplelist>
         </entry>
         <entry valign="top">
           <bridgehead renderas="sect3">Class Templates</bridgehead>
           <simplelist type="vert" columns="1">
             <member><link linkend="asio.reference.async_completion">async_completion</link></member>
+            <member><link linkend="asio.reference.awaitable">awaitable</link></member>
             <member><link linkend="asio.reference.basic_io_object">basic_io_object</link></member>
             <member><link linkend="asio.reference.basic_yield_context">basic_yield_context</link></member>
             <member><link linkend="asio.reference.executor_binder">executor_binder</link></member>
             <member><link linkend="asio.reference.executor_work_guard">executor_work_guard</link></member>
+            <member><link linkend="asio.reference.redirect_error_t">redirect_error_t</link></member>
             <member><link linkend="asio.reference.strand">strand</link></member>
+            <member><link linkend="asio.reference.use_awaitable_t">use_awaitable_t</link></member>
             <member><link linkend="asio.reference.use_future_t">use_future_t</link></member>
           </simplelist>
           <bridgehead renderas="sect3">Special Values</bridgehead>
           <simplelist type="vert" columns="1">
+            <member><link linkend="asio.reference.detached">detached</link></member>
             <member><link linkend="asio.reference.executor_arg">executor_arg</link></member>
+            <member><link linkend="asio.reference.this_coro__executor">this_coro::executor</link></member>
             <member><link linkend="asio.reference.use_future">use_future</link></member>
+            <member><link linkend="asio.reference.use_awaitable">use_awaitable</link></member>
           </simplelist>
           <bridgehead renderas="sect3">Boost.Bind Placeholders</bridgehead>
           <simplelist type="vert" columns="1">
@@ -107,7 +122,6 @@
             <member><link linkend="asio.reference.associated_allocator">associated_allocator</link></member>
             <member><link linkend="asio.reference.associated_executor">associated_executor</link></member>
             <member><link linkend="asio.reference.async_result">async_result</link></member>
-            <member><link linkend="asio.reference.handler_type">handler_type </link> (deprecated)</member>
             <member><link linkend="asio.reference.is_executor">is_executor</link></member>
             <member><link linkend="asio.reference.uses_executor">uses_executor</link></member>
           </simplelist>
@@ -171,6 +185,8 @@
             <member><link linkend="asio.reference.buffer_cast">buffer_cast </link> (deprecated)</member>
             <member><link linkend="asio.reference.buffer_copy">buffer_copy</link></member>
             <member><link linkend="asio.reference.buffer_size">buffer_size</link></member>
+            <member><link linkend="asio.reference.buffer_sequence_begin">buffer_sequence_begin</link></member>
+            <member><link linkend="asio.reference.buffer_sequence_end">buffer_sequence_end</link></member>
             <member><link linkend="asio.reference.buffers_begin">buffers_begin</link></member>
             <member><link linkend="asio.reference.buffers_end">buffers_end</link></member>
             <member><link linkend="asio.reference.dynamic_buffer">dynamic_buffer</link></member>
@@ -188,6 +204,9 @@
           <bridgehead renderas="sect3">Type Traits</bridgehead>
           <simplelist type="vert" columns="1">
             <member><link linkend="asio.reference.is_const_buffer_sequence">is_const_buffer_sequence</link></member>
+            <member><link linkend="asio.reference.is_dynamic_buffer">is_dynamic_buffer</link></member>
+            <member><link linkend="asio.reference.is_dynamic_buffer_v1">is_dynamic_buffer_v1</link></member>
+            <member><link linkend="asio.reference.is_dynamic_buffer_v2">is_dynamic_buffer_v2</link></member>
             <member><link linkend="asio.reference.is_match_condition">is_match_condition</link></member>
             <member><link linkend="asio.reference.is_mutable_buffer_sequence">is_mutable_buffer_sequence</link></member>
             <member><link linkend="asio.reference.is_read_buffered">is_read_buffered</link></member>
@@ -205,6 +224,8 @@
             <member><link linkend="asio.reference.CompletionCondition">CompletionCondition</link></member>
             <member><link linkend="asio.reference.ConstBufferSequence">ConstBufferSequence</link></member>
             <member><link linkend="asio.reference.DynamicBuffer">DynamicBuffer</link></member>
+            <member><link linkend="asio.reference.DynamicBuffer_v1">DynamicBuffer_v1</link></member>
+            <member><link linkend="asio.reference.DynamicBuffer_v2">DynamicBuffer_v2</link></member>
             <member><link linkend="asio.reference.MutableBufferSequence">MutableBufferSequence</link></member>
             <member><link linkend="asio.reference.ReadHandler">ReadHandler</link></member>
             <member><link linkend="asio.reference.SyncRandomAccessReadDevice">SyncRandomAccessReadDevice</link></member>
@@ -254,12 +275,14 @@
             <member><link linkend="asio.reference.ip__address_v6">ip::address_v6</link></member>
             <member><link linkend="asio.reference.ip__address_v6_iterator">ip::address_v6_iterator</link></member>
             <member><link linkend="asio.reference.ip__address_v6_range">ip::address_v6_range</link></member>
+            <member><link linkend="asio.reference.ip__bad_address_cast">ip::bad_address_cast</link></member>
             <member><link linkend="asio.reference.ip__icmp">ip::icmp</link></member>
             <member><link linkend="asio.reference.ip__icmp.endpoint">ip::icmp::endpoint</link></member>
             <member><link linkend="asio.reference.ip__icmp.resolver">ip::icmp::resolver</link></member>
             <member><link linkend="asio.reference.ip__icmp.socket">ip::icmp::socket</link></member>
             <member><link linkend="asio.reference.ip__network_v4">ip::network_v4</link></member>
             <member><link linkend="asio.reference.ip__network_v6">ip::network_v6</link></member>
+            <member><link linkend="asio.reference.ip__resolver_base">ip::resolver_base</link></member>
             <member><link linkend="asio.reference.ip__resolver_query_base">ip::resolver_query_base</link></member>
             <member><link linkend="asio.reference.ip__tcp">ip::tcp</link></member>
             <member><link linkend="asio.reference.ip__tcp.acceptor">ip::tcp::acceptor</link></member>
@@ -271,6 +294,7 @@
             <member><link linkend="asio.reference.ip__udp.endpoint">ip::udp::endpoint</link></member>
             <member><link linkend="asio.reference.ip__udp.resolver">ip::udp::resolver</link></member>
             <member><link linkend="asio.reference.ip__udp.socket">ip::udp::socket</link></member>
+            <member><link linkend="asio.reference.ip__v4_mapped_t">ip::v4_mapped_t</link></member>
             <member><link linkend="asio.reference.socket_base">socket_base</link></member>
           </simplelist>
         </entry>
@@ -301,6 +325,7 @@
             <member><link linkend="asio.reference.ip__basic_resolver">ip::basic_resolver</link></member>
             <member><link linkend="asio.reference.ip__basic_resolver_entry">ip::basic_resolver_entry</link></member>
             <member><link linkend="asio.reference.ip__basic_resolver_iterator">ip::basic_resolver_iterator</link></member>
+            <member><link linkend="asio.reference.ip__basic_resolver_results">ip::basic_resolver_results</link></member>
             <member><link linkend="asio.reference.ip__basic_resolver_query">ip::basic_resolver_query</link></member>
           </simplelist>
         </entry>
@@ -415,6 +440,10 @@
           <simplelist type="vert" columns="1">
             <member><link linkend="asio.reference.ssl__stream">ssl::stream</link></member>
           </simplelist>
+          <bridgehead renderas="sect3">Error Codes</bridgehead>
+          <simplelist type="vert" columns="1">
+            <member><link linkend="asio.reference.ssl__error__stream_errors">ssl::error::stream_errors</link></member>
+          </simplelist>
           <bridgehead renderas="sect3">Type Requirements</bridgehead>
           <simplelist type="vert" columns="1">
             <member><link linkend="asio.reference.BufferedHandshakeHandler">BufferedHandshakeHandler</link></member>
@@ -428,6 +457,10 @@
             <member><link linkend="asio.reference.serial_port">serial_port</link></member>
             <member><link linkend="asio.reference.serial_port_base">serial_port_base</link></member>
           </simplelist>
+          <bridgehead renderas="sect3">Class templates</bridgehead>
+          <simplelist type="vert" columns="1">
+            <member><link linkend="asio.reference.basic_serial_port">basic_serial_port</link></member>
+          </simplelist>
           <bridgehead renderas="sect3">Serial Port Options</bridgehead>
           <simplelist type="vert" columns="1">
             <member><link linkend="asio.reference.serial_port_base__baud_rate">serial_port_base::baud_rate</link></member>
@@ -447,6 +480,10 @@
           <simplelist type="vert" columns="1">
             <member><link linkend="asio.reference.signal_set">signal_set</link></member>
           </simplelist>
+          <bridgehead renderas="sect3">Class Templates</bridgehead>
+          <simplelist type="vert" columns="1">
+            <member><link linkend="asio.reference.basic_signal_set">basic_signal_set</link></member>
+          </simplelist>
           <bridgehead renderas="sect3">Type Requirements</bridgehead>
           <simplelist type="vert" columns="1">
             <member><link linkend="asio.reference.SignalHandler">SignalHandler</link></member>
@@ -455,17 +492,16 @@
       </row>
     </tbody>
   </tgroup>
-  <tgroup cols="4">
+  <tgroup cols="3">
     <colspec colname="a"/>
     <colspec colname="b"/>
     <colspec colname="c"/>
-    <colspec colname="d"/>
     <thead>
       <row>
         <entry valign="center" namest="a" nameend="b">
           <bridgehead renderas="sect2">POSIX-specific</bridgehead>
         </entry>
-        <entry valign="center" namest="c" nameend="d">
+        <entry valign="center" namest="c" nameend="c">
           <bridgehead renderas="sect2">Windows-specific</bridgehead>
         </entry>
       </row>
@@ -496,9 +532,11 @@
           <bridgehead renderas="sect3">Class Templates</bridgehead>
           <simplelist type="vert" columns="1">
             <member><link linkend="asio.reference.local__basic_endpoint">local::basic_endpoint</link></member>
+            <member><link linkend="asio.reference.posix__basic_descriptor">posix::basic_descriptor</link></member>
+            <member><link linkend="asio.reference.posix__basic_stream_descriptor">posix::basic_stream_descriptor</link></member>
           </simplelist>
         </entry>
-        <entry valign="top" namest="c" nameend="d">
+        <entry valign="top">
           <bridgehead renderas="sect3">Classes</bridgehead>
           <simplelist type="vert" columns="1">
             <member><link linkend="asio.reference.windows__object_handle">windows::object_handle</link></member>
@@ -507,6 +545,13 @@
             <member><link linkend="asio.reference.windows__random_access_handle">windows::random_access_handle</link></member>
             <member><link linkend="asio.reference.windows__stream_handle">windows::stream_handle</link></member>
           </simplelist>
+          <bridgehead renderas="sect3">Class Templates</bridgehead>
+          <simplelist type="vert" columns="1">
+            <member><link linkend="asio.reference.windows__basic_object_handle">windows::basic_object_handle</link></member>
+            <member><link linkend="asio.reference.windows__basic_overlapped_handle">windows::basic_overlapped_handle</link></member>
+            <member><link linkend="asio.reference.windows__basic_random_access_handle">windows::basic_random_access_handle</link></member>
+            <member><link linkend="asio.reference.windows__basic_stream_handle">windows::basic_stream_handle</link></member>
+          </simplelist>
         </entry>
       </row>
     </tbody>
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/reference.dox b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/reference.dox
index d120a83..ff6ea8f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/reference.dox
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/reference.dox
@@ -196,6 +196,7 @@ PREDEFINED             = GENERATING_DOCUMENTATION \
                          ASIO_EOF_ERROR(e)=implementation_defined \
                          ASIO_OS_ERROR(e1,e2)=implementation_defined \
                          ASIO_MOVE_ARG(a)=a&& \
+                         ASIO_NONDEDUCED_MOVE_ARG(a)=a& \
                          ASIO_DECL= \
                          ASIO_CONSTEXPR=constexpr \
                          ASIO_NOEXCEPT=noexcept \
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/reference.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/reference.qbk
index 7082d61..6d00017 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/reference.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/reference.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -26,6 +26,8 @@
 [include requirements/ConnectHandler.qbk]
 [include requirements/ConstBufferSequence.qbk]
 [include requirements/DynamicBuffer.qbk]
+[include requirements/DynamicBuffer_v1.qbk]
+[include requirements/DynamicBuffer_v2.qbk]
 [include requirements/Endpoint.qbk]
 [include requirements/EndpointSequence.qbk]
 [include requirements/ExecutionContext.qbk]
@@ -38,6 +40,7 @@
 [include requirements/IoControlCommand.qbk]
 [include requirements/IoObjectService.qbk]
 [include requirements/IteratorConnectHandler.qbk]
+[include requirements/LegacyCompletionHandler.qbk]
 [include requirements/MoveAcceptHandler.qbk]
 [include requirements/MutableBufferSequence.qbk]
 [include requirements/ProtoAllocator.qbk]
@@ -61,60 +64,6 @@
 
 
 
-[section:add_service add_service]
-
-[indexterm1 asio.indexterm.add_service..add_service] 
-
-  template<
-      typename ``[link asio.reference.Service Service]``>
-  void add_service(
-      execution_context & e,
-      Service * svc);
-
-
-This function is used to add a service to the [link asio.reference.execution_context `execution_context`].
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[e][The [link asio.reference.execution_context `execution_context`] object that owns the service.]]
-
-[[svc][The service object. On success, ownership of the service object is transferred to the [link asio.reference.execution_context `execution_context`]. When the [link asio.reference.execution_context `execution_context`] object is destroyed, it will destroy the service object by performing:
-``
-   delete static_cast<execution_context::service*>(svc) 
-``
-]]
-
-]
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::service_already_exists][Thrown if a service of the given type is already present in the [link asio.reference.execution_context `execution_context`].]]
-
-[[asio::invalid_service_owner][Thrown if the service's owning [link asio.reference.execution_context `execution_context`] is not the [link asio.reference.execution_context `execution_context`] object specified by the `e` parameter. ]]
-
-]
-
-
-
-[heading Requirements]
-
-['Header: ][^asio/impl/execution_context.hpp]
-
-['Convenience header: ][^asio.hpp]
-
-
-[endsect]
-
-
-
 [section:asio_handler_allocate asio_handler_allocate]
 
 [indexterm1 asio.indexterm.asio_handler_allocate..asio_handler_allocate] 
@@ -205,7 +154,9 @@ The default implementation of these allocation hooks uses `operator new` and `op
 [indexterm1 asio.indexterm.asio_handler_invoke..asio_handler_invoke] 
 Default invoke function for handlers. 
 
-      
+
+Default handler invocation hook used for non-const function objects. 
+
   template<
       typename Function>
   void ``[link asio.reference.asio_handler_invoke.overload1 asio_handler_invoke]``(
@@ -213,6 +164,8 @@ Default invoke function for handlers.
       ... );
   ``  [''''&raquo;''' [link asio.reference.asio_handler_invoke.overload1 more...]]``
 
+Default handler invocation hook used for const function objects. 
+
   template<
       typename Function>
   void ``[link asio.reference.asio_handler_invoke.overload2 asio_handler_invoke]``(
@@ -666,6 +619,11 @@ The real handler type to be used for the asynchronous operation.
     [Obtain the value to be returned from the initiating function. ]
   ]
   
+  [
+    [[link asio.reference.async_result.initiate [*initiate]]]
+    [Initiate the asynchronous operation that will produce the result, and obtain the value to be returned from the initiating function. ]
+  ]
+  
 ]
 
 The [link asio.reference.async_result `async_result`] traits class is used for determining:
@@ -711,40 +669,156 @@ The result of the asynchronous operation's initiating function.
 
 [endsect]
 
+
+[section:async_compose async_compose]
+
+[indexterm1 asio.indexterm.async_compose..async_compose] 
+Launch an asynchronous operation with a stateful implementation. 
+
+
+  template<
+      typename CompletionToken,
+      typename Signature,
+      typename Implementation,
+      typename... IoObjectsOrExecutors>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_compose(
+      Implementation && implementation,
+      CompletionToken & token,
+      IoObjectsOrExecutors &&... io_objects_or_executors);
+
+
+The async\_compose function simplifies the implementation of composed asynchronous operations automatically wrapping a stateful function object with a conforming intermediate completion handler.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[implementation][A function object that contains the implementation of the composed asynchronous operation. The first argument to the function object is a non-const reference to the enclosing intermediate completion handler. The remaining arguments are any arguments that originate from the completion handlers of any asynchronous operations performed by the implementation.]]
+
+[[token][The completion token.]]
+
+[[io_objects_or_executors][Zero or more I/O objects or I/O executors for which outstanding work must be maintained.]]
+
+]
+
+
+[heading Example:]
+  
+
+
+
+
+   struct async_echo_implementation
+   {
+     tcp::socket& socket_;
+     asio::mutable_buffer buffer_;
+     enum { starting, reading, writing } state_;
+
+     template <typename Self>
+     void operator()(Self& self,
+         asio::error_code error = {},
+         std::size_t n = 0)
+     {
+       switch (state_)
+       {
+       case starting:
+         state_ = reading;
+         socket_.async_read_some(
+             buffer_, std::move(self));
+         break;
+       case reading:
+         if (error)
+         {
+           self.complete(error, 0);
+         }
+         else
+         {
+           state_ = writing;
+           asio::async_write(socket_, buffer_,
+               asio::transfer_exactly(n),
+               std::move(self));
+         }
+         break;
+       case writing:
+         self.complete(error, n);
+         break;
+       }
+     }
+   };
+
+   template <typename CompletionToken>
+   auto async_echo(tcp::socket& socket,
+       asio::mutable_buffer buffer,
+       CompletionToken&& token) ->
+     typename asio::async_result<
+       typename std::decay<CompletionToken>::type,
+         void(asio::error_code, std::size_t)>::return_type
+   {
+     return asio::async_compose<CompletionToken,
+       void(asio::error_code, std::size_t)>(
+         async_echo_implementation{socket, buffer,
+           async_echo_implementation::starting},
+         token, socket);
+   } 
+
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/compose.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
 [section:async_connect async_connect]
 
 [indexterm1 asio.indexterm.async_connect..async_connect] 
+The `async_connect` function is a composed asynchronous operation that establishes a socket connection by trying each endpoint in a sequence. 
+
+
 Asynchronously establishes a socket connection by trying each endpoint in a sequence. 
 
-      
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename ``[link asio.reference.EndpointSequence EndpointSequence]``,
       typename ``[link asio.reference.RangeConnectHandler RangeConnectHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.async_connect.overload1 async_connect]``(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       const EndpointSequence & endpoints,
       RangeConnectHandler && handler,
       typename enable_if< is_endpoint_sequence< EndpointSequence >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.async_connect.overload1 more...]]``
 
+(Deprecated: Use range overload.) Asynchronously establishes a socket connection by trying each endpoint in a sequence. 
+
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename Iterator,
       typename ``[link asio.reference.IteratorConnectHandler IteratorConnectHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.async_connect.overload2 async_connect]``(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       Iterator begin,
       IteratorConnectHandler && handler,
       typename enable_if<!is_endpoint_sequence< Iterator >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.async_connect.overload2 more...]]``
 
+Asynchronously establishes a socket connection by trying each endpoint in a sequence. 
+
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename Iterator,
       typename ``[link asio.reference.IteratorConnectHandler IteratorConnectHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.async_connect.overload3 async_connect]``(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       Iterator begin,
       Iterator end,
       IteratorConnectHandler && handler);
@@ -752,37 +826,44 @@ Asynchronously establishes a socket connection by trying each endpoint in a sequ
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename ``[link asio.reference.EndpointSequence EndpointSequence]``,
       typename ``[link asio.reference.ConnectCondition ConnectCondition]``,
       typename ``[link asio.reference.RangeConnectHandler RangeConnectHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.async_connect.overload4 async_connect]``(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       const EndpointSequence & endpoints,
       ConnectCondition connect_condition,
       RangeConnectHandler && handler,
       typename enable_if< is_endpoint_sequence< EndpointSequence >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.async_connect.overload4 more...]]``
 
+(Deprecated: Use range overload.) Asynchronously establishes a socket connection by trying each endpoint in a sequence. 
+
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename Iterator,
       typename ``[link asio.reference.ConnectCondition ConnectCondition]``,
       typename ``[link asio.reference.IteratorConnectHandler IteratorConnectHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.async_connect.overload5 async_connect]``(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       Iterator begin,
       ConnectCondition connect_condition,
       IteratorConnectHandler && handler,
       typename enable_if<!is_endpoint_sequence< Iterator >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.async_connect.overload5 more...]]``
 
+Asynchronously establishes a socket connection by trying each endpoint in a sequence. 
+
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename Iterator,
       typename ``[link asio.reference.ConnectCondition ConnectCondition]``,
       typename ``[link asio.reference.IteratorConnectHandler IteratorConnectHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.async_connect.overload6 async_connect]``(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       Iterator begin,
       Iterator end,
       ConnectCondition connect_condition,
@@ -804,10 +885,11 @@ Asynchronously establishes a socket connection by trying each endpoint in a sequ
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename ``[link asio.reference.EndpointSequence EndpointSequence]``,
       typename ``[link asio.reference.RangeConnectHandler RangeConnectHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_connect(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       const EndpointSequence & endpoints,
       RangeConnectHandler && handler,
       typename enable_if< is_endpoint_sequence< EndpointSequence >::value >::type *  = 0);
@@ -838,7 +920,7 @@ This function attempts to connect a socket to one of a sequence of endpoints. It
      const typename Protocol::endpoint& endpoint
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -847,9 +929,9 @@ Regardless of whether the asynchronous operation completes immediately or not, t
   
 
 
-   tcp::resolver r(io_context);
+   tcp::resolver r(my_context);
    tcp::resolver::query q("host", "service");
-   tcp::socket s(io_context);
+   tcp::socket s(my_context);
 
    // ...
 
@@ -889,15 +971,16 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 [section:overload2 async_connect (2 of 6 overloads)]
 
 
-(Deprecated.) Asynchronously establishes a socket connection by trying each endpoint in a sequence. 
+(Deprecated: Use range overload.) Asynchronously establishes a socket connection by trying each endpoint in a sequence. 
 
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename Iterator,
       typename ``[link asio.reference.IteratorConnectHandler IteratorConnectHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_connect(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       Iterator begin,
       IteratorConnectHandler && handler,
       typename enable_if<!is_endpoint_sequence< Iterator >::value >::type *  = 0);
@@ -928,7 +1011,7 @@ This function attempts to connect a socket to one of a sequence of endpoints. It
      Iterator iterator
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -952,10 +1035,11 @@ Asynchronously establishes a socket connection by trying each endpoint in a sequ
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename Iterator,
       typename ``[link asio.reference.IteratorConnectHandler IteratorConnectHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_connect(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       Iterator begin,
       Iterator end,
       IteratorConnectHandler && handler);
@@ -988,7 +1072,7 @@ This function attempts to connect a socket to one of a sequence of endpoints. It
      Iterator iterator
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -998,7 +1082,7 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
 
    std::vector<tcp::endpoint> endpoints = ...;
-   tcp::socket s(io_context);
+   tcp::socket s(my_context);
    asio::async_connect(s,
        endpoints.begin(), endpoints.end(),
        connect_handler);
@@ -1030,11 +1114,12 @@ Asynchronously establishes a socket connection by trying each endpoint in a sequ
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename ``[link asio.reference.EndpointSequence EndpointSequence]``,
       typename ``[link asio.reference.ConnectCondition ConnectCondition]``,
       typename ``[link asio.reference.RangeConnectHandler RangeConnectHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_connect(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       const EndpointSequence & endpoints,
       ConnectCondition connect_condition,
       RangeConnectHandler && handler,
@@ -1074,7 +1159,7 @@ The `ec` parameter contains the result from the most recent connect operation. B
      Iterator iterator
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -1098,9 +1183,9 @@ The following connect condition function object can be used to output informatio
 
 It would be used with the `asio::connect` function as follows: 
 
-   tcp::resolver r(io_context);
+   tcp::resolver r(my_context);
    tcp::resolver::query q("host", "service");
-   tcp::socket s(io_context);
+   tcp::socket s(my_context);
 
    // ...
 
@@ -1149,16 +1234,17 @@ It would be used with the `asio::connect` function as follows:
 [section:overload5 async_connect (5 of 6 overloads)]
 
 
-(Deprecated.) Asynchronously establishes a socket connection by trying each endpoint in a sequence. 
+(Deprecated: Use range overload.) Asynchronously establishes a socket connection by trying each endpoint in a sequence. 
 
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename Iterator,
       typename ``[link asio.reference.ConnectCondition ConnectCondition]``,
       typename ``[link asio.reference.IteratorConnectHandler IteratorConnectHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_connect(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       Iterator begin,
       ConnectCondition connect_condition,
       IteratorConnectHandler && handler,
@@ -1198,7 +1284,7 @@ The `ec` parameter contains the result from the most recent connect operation. B
      Iterator iterator
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -1222,11 +1308,12 @@ Asynchronously establishes a socket connection by trying each endpoint in a sequ
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename Iterator,
       typename ``[link asio.reference.ConnectCondition ConnectCondition]``,
       typename ``[link asio.reference.IteratorConnectHandler IteratorConnectHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_connect(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       Iterator begin,
       Iterator end,
       ConnectCondition connect_condition,
@@ -1268,7 +1355,7 @@ The `ec` parameter contains the result from the most recent connect operation. B
      Iterator iterator
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -1292,9 +1379,9 @@ The following connect condition function object can be used to output informatio
 
 It would be used with the `asio::connect` function as follows: 
 
-   tcp::resolver r(io_context);
+   tcp::resolver r(my_context);
    tcp::resolver::query q("host", "service");
-   tcp::socket s(io_context);
+   tcp::socket s(my_context);
 
    // ...
 
@@ -1342,12 +1429,40 @@ It would be used with the `asio::connect` function as follows:
 
 [endsect]
 
+
+[section:async_initiate async_initiate]
+
+[indexterm1 asio.indexterm.async_initiate..async_initiate] 
+
+  template<
+      typename CompletionToken,
+      typename Signature,
+      typename Initiation,
+      typename... Args>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_initiate(
+      Initiation && initiation,
+      CompletionToken & ,
+      Args &&... args);
+
+
+[heading Requirements]
+
+['Header: ][^asio/async_result.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
 [section:async_read async_read]
 
 [indexterm1 asio.indexterm.async_read..async_read] 
+The `async_read` function is a composed asynchronous operation that reads a certain amount of data from a stream before completion. 
+
+
 Start an asynchronous operation to read a certain amount of data from a stream. 
 
-      
   template<
       typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
       typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``,
@@ -1374,26 +1489,26 @@ Start an asynchronous operation to read a certain amount of data from a stream.
 
   template<
       typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename ``[link asio.reference.ReadHandler ReadHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.async_read.overload3 async_read]``(
       AsyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       ReadHandler && handler,
-      typename enable_if< is_dynamic_buffer< DynamicBuffer >::value >::type *  = 0);
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.async_read.overload3 more...]]``
 
   template<
       typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename ``[link asio.reference.CompletionCondition CompletionCondition]``,
       typename ``[link asio.reference.ReadHandler ReadHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.async_read.overload4 async_read]``(
       AsyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       CompletionCondition completion_condition,
       ReadHandler && handler,
-      typename enable_if< is_dynamic_buffer< DynamicBuffer >::value >::type *  = 0);
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.async_read.overload4 more...]]``
 
   template<
@@ -1418,6 +1533,30 @@ Start an asynchronous operation to read a certain amount of data from a stream.
       ReadHandler && handler);
   ``  [''''&raquo;''' [link asio.reference.async_read.overload6 more...]]``
 
+  template<
+      typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename ``[link asio.reference.ReadHandler ReadHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.async_read.overload7 async_read]``(
+      AsyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      ReadHandler && handler,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.async_read.overload7 more...]]``
+
+  template<
+      typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename ``[link asio.reference.CompletionCondition CompletionCondition]``,
+      typename ``[link asio.reference.ReadHandler ReadHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.async_read.overload8 async_read]``(
+      AsyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      CompletionCondition completion_condition,
+      ReadHandler && handler,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.async_read.overload8 more...]]``
+
 [heading Requirements]
 
 ['Header: ][^asio/read.hpp]
@@ -1425,7 +1564,7 @@ Start an asynchronous operation to read a certain amount of data from a stream.
 ['Convenience header: ][^asio.hpp]
 
 
-[section:overload1 async_read (1 of 6 overloads)]
+[section:overload1 async_read (1 of 8 overloads)]
 
 
 Start an asynchronous operation to read a certain amount of data from a stream. 
@@ -1474,7 +1613,7 @@ This operation is implemented in terms of zero or more calls to the stream's asy
                                              // prior to the error.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -1508,7 +1647,7 @@ This overload is equivalent to calling:
 
 
 
-[section:overload2 async_read (2 of 6 overloads)]
+[section:overload2 async_read (2 of 8 overloads)]
 
 
 Start an asynchronous operation to read a certain amount of data from a stream. 
@@ -1569,7 +1708,7 @@ A return value of 0 indicates that the read operation is complete. A non-zero re
                                              // prior to the error.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -1593,7 +1732,7 @@ See the [link asio.reference.buffer `buffer`]  documentation for information on
 
 
 
-[section:overload3 async_read (3 of 6 overloads)]
+[section:overload3 async_read (3 of 8 overloads)]
 
 
 Start an asynchronous operation to read a certain amount of data from a stream. 
@@ -1601,13 +1740,13 @@ Start an asynchronous operation to read a certain amount of data from a stream.
 
   template<
       typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename ``[link asio.reference.ReadHandler ReadHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_read(
       AsyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       ReadHandler && handler,
-      typename enable_if< is_dynamic_buffer< DynamicBuffer >::value >::type *  = 0);
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
 
 
 This function is used to asynchronously read a certain number of bytes of data from a stream. The function call always returns immediately. The asynchronous operation will continue until one of the following conditions is true:
@@ -1642,7 +1781,7 @@ This operation is implemented in terms of zero or more calls to the stream's asy
                                              // prior to the error.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -1666,7 +1805,7 @@ This overload is equivalent to calling:
 
 
 
-[section:overload4 async_read (4 of 6 overloads)]
+[section:overload4 async_read (4 of 8 overloads)]
 
 
 Start an asynchronous operation to read a certain amount of data from a stream. 
@@ -1674,15 +1813,15 @@ Start an asynchronous operation to read a certain amount of data from a stream.
 
   template<
       typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename ``[link asio.reference.CompletionCondition CompletionCondition]``,
       typename ``[link asio.reference.ReadHandler ReadHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_read(
       AsyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       CompletionCondition completion_condition,
       ReadHandler && handler,
-      typename enable_if< is_dynamic_buffer< DynamicBuffer >::value >::type *  = 0);
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
 
 
 This function is used to asynchronously read a certain number of bytes of data from a stream. The function call always returns immediately. The asynchronous operation will continue until one of the following conditions is true:
@@ -1729,7 +1868,7 @@ A return value of 0 indicates that the read operation is complete. A non-zero re
                                              // prior to the error.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`. ]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`]. ]]
 
 ]
 
@@ -1740,7 +1879,7 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
 
 
-[section:overload5 async_read (5 of 6 overloads)]
+[section:overload5 async_read (5 of 8 overloads)]
 
 
 Start an asynchronous operation to read a certain amount of data from a stream. 
@@ -1788,7 +1927,7 @@ This operation is implemented in terms of zero or more calls to the stream's asy
                                              // prior to the error.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -1812,7 +1951,7 @@ This overload is equivalent to calling:
 
 
 
-[section:overload6 async_read (6 of 6 overloads)]
+[section:overload6 async_read (6 of 8 overloads)]
 
 
 Start an asynchronous operation to read a certain amount of data from a stream. 
@@ -1874,7 +2013,154 @@ A return value of 0 indicates that the read operation is complete. A non-zero re
                                              // prior to the error.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`. ]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`]. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload7 async_read (7 of 8 overloads)]
+
+
+Start an asynchronous operation to read a certain amount of data from a stream. 
+
+
+  template<
+      typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename ``[link asio.reference.ReadHandler ReadHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_read(
+      AsyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      ReadHandler && handler,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+
+
+This function is used to asynchronously read a certain number of bytes of data from a stream. The function call always returns immediately. The asynchronous operation will continue until one of the following conditions is true:
+
+
+* The specified dynamic buffer sequence is full (that is, it has reached maximum size).
+
+
+* An error occurred.
+
+This operation is implemented in terms of zero or more calls to the stream's async\_read\_some function, and is known as a ['composed operation]. The program must ensure that the stream performs no other read operations (such as async\_read, the stream's async\_read\_some function, or any other composed operations that perform reads) until this operation completes.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[s][The stream from which the data is to be read. The type must support the AsyncReadStream concept.]]
+
+[[buffers][The dynamic buffer sequence into which the data will be read. Although the buffers object may be copied as necessary, ownership of the underlying memory blocks is retained by the caller, which must guarantee that they remain valid until the handler is called.]]
+
+[[handler][The handler to be called when the read operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
+``
+   void handler(
+     const asio::error_code& error, // Result of operation.
+
+     std::size_t bytes_transferred           // Number of bytes copied into the
+                                             // buffers. If an error occurred,
+                                             // this will be the  number of
+                                             // bytes successfully transferred
+                                             // prior to the error.
+   ); 
+``
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
+
+]
+
+
+[heading Remarks]
+      
+This overload is equivalent to calling: 
+
+   asio::async_read(
+       s, buffers,
+       asio::transfer_all(),
+       handler); 
+
+
+
+
+
+
+
+[endsect]
+
+
+
+[section:overload8 async_read (8 of 8 overloads)]
+
+
+Start an asynchronous operation to read a certain amount of data from a stream. 
+
+
+  template<
+      typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename ``[link asio.reference.CompletionCondition CompletionCondition]``,
+      typename ``[link asio.reference.ReadHandler ReadHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_read(
+      AsyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      CompletionCondition completion_condition,
+      ReadHandler && handler,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+
+
+This function is used to asynchronously read a certain number of bytes of data from a stream. The function call always returns immediately. The asynchronous operation will continue until one of the following conditions is true:
+
+
+* The specified dynamic buffer sequence is full (that is, it has reached maximum size).
+
+
+* The completion\_condition function object returns 0.
+
+This operation is implemented in terms of zero or more calls to the stream's async\_read\_some function, and is known as a ['composed operation]. The program must ensure that the stream performs no other read operations (such as async\_read, the stream's async\_read\_some function, or any other composed operations that perform reads) until this operation completes.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[s][The stream from which the data is to be read. The type must support the AsyncReadStream concept.]]
+
+[[buffers][The dynamic buffer sequence into which the data will be read. Although the buffers object may be copied as necessary, ownership of the underlying memory blocks is retained by the caller, which must guarantee that they remain valid until the handler is called.]]
+
+[[completion_condition][The function object to be called to determine whether the read operation is complete. The signature of the function object must be: 
+``
+   std::size_t completion_condition(
+     // Result of latest async_read_some operation.
+     const asio::error_code& error,
+
+     // Number of bytes transferred so far.
+     std::size_t bytes_transferred
+   ); 
+``
+A return value of 0 indicates that the read operation is complete. A non-zero return value indicates the maximum number of bytes to be read on the next call to the stream's async\_read\_some function.]]
+
+[[handler][The handler to be called when the read operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
+``
+   void handler(
+     const asio::error_code& error, // Result of operation.
+
+     std::size_t bytes_transferred           // Number of bytes copied into the
+                                             // buffers. If an error occurred,
+                                             // this will be the  number of
+                                             // bytes successfully transferred
+                                             // prior to the error.
+   ); 
+``
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`]. ]]
 
 ]
 
@@ -1889,9 +2175,11 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 [section:async_read_at async_read_at]
 
 [indexterm1 asio.indexterm.async_read_at..async_read_at] 
+The `async_read_at` function is a composed asynchronous operation that reads a certain amount of data at the specified offset. 
+
+
 Start an asynchronous operation to read a certain amount of data at the specified offset. 
 
-      
   template<
       typename ``[link asio.reference.AsyncRandomAccessReadDevice AsyncRandomAccessReadDevice]``,
       typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``,
@@ -1998,7 +2286,7 @@ This operation is implemented in terms of zero or more calls to the device's asy
      std::size_t bytes_transferred
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -2095,7 +2383,7 @@ A return value of 0 indicates that the read operation is complete. A non-zero re
      std::size_t bytes_transferred
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -2167,7 +2455,7 @@ This operation is implemented in terms of zero or more calls to the device's asy
      std::size_t bytes_transferred
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -2253,7 +2541,7 @@ A return value of 0 indicates that the read operation is complete. A non-zero re
      std::size_t bytes_transferred
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`. ]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`]. ]]
 
 ]
 
@@ -2268,55 +2556,66 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 [section:async_read_until async_read_until]
 
 [indexterm1 asio.indexterm.async_read_until..async_read_until] 
-Start an asynchronous operation to read data into a dynamic buffer sequence, or into a streambuf, until it contains a delimiter, matches a regular expression, or a function object indicates a match. 
+The `async_read_until` function is a composed asynchronous operation that reads data into a dynamic buffer sequence, or into a streambuf, until it contains a delimiter, matches a regular expression, or a function object indicates a match. 
+
+
+Start an asynchronous operation to read data into a dynamic buffer sequence until it contains a specified delimiter. 
 
-      
   template<
       typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename ``[link asio.reference.ReadHandler ReadHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.async_read_until.overload1 async_read_until]``(
       AsyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       char delim,
-      ReadHandler && handler);
+      ReadHandler && handler,
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.async_read_until.overload1 more...]]``
 
   template<
       typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename ``[link asio.reference.ReadHandler ReadHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.async_read_until.overload2 async_read_until]``(
       AsyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       string_view delim,
-      ReadHandler && handler);
+      ReadHandler && handler,
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.async_read_until.overload2 more...]]``
 
+Start an asynchronous operation to read data into a dynamic buffer sequence until some part of its data matches a regular expression. 
+
   template<
       typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename ``[link asio.reference.ReadHandler ReadHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.async_read_until.overload3 async_read_until]``(
       AsyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       const boost::regex & expr,
-      ReadHandler && handler);
+      ReadHandler && handler,
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.async_read_until.overload3 more...]]``
 
+Start an asynchronous operation to read data into a dynamic buffer sequence until a function object indicates a match. 
+
   template<
       typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename MatchCondition,
       typename ``[link asio.reference.ReadHandler ReadHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.async_read_until.overload4 async_read_until]``(
       AsyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       MatchCondition match_condition,
       ReadHandler && handler,
-      typename enable_if< is_match_condition< MatchCondition >::value >::type *  = 0);
+      typename enable_if< is_match_condition< MatchCondition >::value &&is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.async_read_until.overload4 more...]]``
 
+Start an asynchronous operation to read data into a streambuf until it contains a specified delimiter. 
+
   template<
       typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
       typename Allocator,
@@ -2339,6 +2638,8 @@ Start an asynchronous operation to read data into a dynamic buffer sequence, or
       ReadHandler && handler);
   ``  [''''&raquo;''' [link asio.reference.async_read_until.overload6 more...]]``
 
+Start an asynchronous operation to read data into a streambuf until some part of its data matches a regular expression. 
+
   template<
       typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
       typename Allocator,
@@ -2350,6 +2651,8 @@ Start an asynchronous operation to read data into a dynamic buffer sequence, or
       ReadHandler && handler);
   ``  [''''&raquo;''' [link asio.reference.async_read_until.overload7 more...]]``
 
+Start an asynchronous operation to read data into a streambuf until a function object indicates a match. 
+
   template<
       typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
       typename Allocator,
@@ -2363,6 +2666,61 @@ Start an asynchronous operation to read data into a dynamic buffer sequence, or
       typename enable_if< is_match_condition< MatchCondition >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.async_read_until.overload8 more...]]``
 
+Start an asynchronous operation to read data into a dynamic buffer sequence until it contains a specified delimiter. 
+
+  template<
+      typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename ``[link asio.reference.ReadHandler ReadHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.async_read_until.overload9 async_read_until]``(
+      AsyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      char delim,
+      ReadHandler && handler,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.async_read_until.overload9 more...]]``
+
+  template<
+      typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename ``[link asio.reference.ReadHandler ReadHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.async_read_until.overload10 async_read_until]``(
+      AsyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      string_view delim,
+      ReadHandler && handler,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.async_read_until.overload10 more...]]``
+
+Start an asynchronous operation to read data into a dynamic buffer sequence until some part of its data matches a regular expression. 
+
+  template<
+      typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename ``[link asio.reference.ReadHandler ReadHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.async_read_until.overload11 async_read_until]``(
+      AsyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      const boost::regex & expr,
+      ReadHandler && handler,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.async_read_until.overload11 more...]]``
+
+Start an asynchronous operation to read data into a dynamic buffer sequence until a function object indicates a match. 
+
+  template<
+      typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename MatchCondition,
+      typename ``[link asio.reference.ReadHandler ReadHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.async_read_until.overload12 async_read_until]``(
+      AsyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      MatchCondition match_condition,
+      ReadHandler && handler,
+      typename enable_if< is_match_condition< MatchCondition >::value &&is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.async_read_until.overload12 more...]]``
+
 [heading Requirements]
 
 ['Header: ][^asio/read_until.hpp]
@@ -2370,7 +2728,7 @@ Start an asynchronous operation to read data into a dynamic buffer sequence, or
 ['Convenience header: ][^asio.hpp]
 
 
-[section:overload1 async_read_until (1 of 8 overloads)]
+[section:overload1 async_read_until (1 of 12 overloads)]
 
 
 Start an asynchronous operation to read data into a dynamic buffer sequence until it contains a specified delimiter. 
@@ -2378,13 +2736,14 @@ Start an asynchronous operation to read data into a dynamic buffer sequence unti
 
   template<
       typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename ``[link asio.reference.ReadHandler ReadHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_read_until(
       AsyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       char delim,
-      ReadHandler && handler);
+      ReadHandler && handler,
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
 
 
 This function is used to asynchronously read data into the specified dynamic buffer sequence until the dynamic buffer sequence's get area contains the specified delimiter. The function call always returns immediately. The asynchronous operation will continue until one of the following conditions is true:
@@ -2421,7 +2780,7 @@ This operation is implemented in terms of zero or more calls to the stream's asy
      std::size_t bytes_transferred
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -2474,7 +2833,7 @@ This data may be the start of a new line, to be extracted by a subsequent `async
 
 
 
-[section:overload2 async_read_until (2 of 8 overloads)]
+[section:overload2 async_read_until (2 of 12 overloads)]
 
 
 Start an asynchronous operation to read data into a dynamic buffer sequence until it contains a specified delimiter. 
@@ -2482,13 +2841,14 @@ Start an asynchronous operation to read data into a dynamic buffer sequence unti
 
   template<
       typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename ``[link asio.reference.ReadHandler ReadHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_read_until(
       AsyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       string_view delim,
-      ReadHandler && handler);
+      ReadHandler && handler,
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
 
 
 This function is used to asynchronously read data into the specified dynamic buffer sequence until the dynamic buffer sequence's get area contains the specified delimiter. The function call always returns immediately. The asynchronous operation will continue until one of the following conditions is true:
@@ -2525,7 +2885,7 @@ This operation is implemented in terms of zero or more calls to the stream's asy
      std::size_t bytes_transferred
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -2578,7 +2938,7 @@ This data may be the start of a new line, to be extracted by a subsequent `async
 
 
 
-[section:overload3 async_read_until (3 of 8 overloads)]
+[section:overload3 async_read_until (3 of 12 overloads)]
 
 
 Start an asynchronous operation to read data into a dynamic buffer sequence until some part of its data matches a regular expression. 
@@ -2586,13 +2946,14 @@ Start an asynchronous operation to read data into a dynamic buffer sequence unti
 
   template<
       typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename ``[link asio.reference.ReadHandler ReadHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_read_until(
       AsyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       const boost::regex & expr,
-      ReadHandler && handler);
+      ReadHandler && handler,
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
 
 
 This function is used to asynchronously read data into the specified dynamic buffer sequence until the dynamic buffer sequence's get area contains some data that matches a regular expression. The function call always returns immediately. The asynchronous operation will continue until one of the following conditions is true:
@@ -2630,7 +2991,7 @@ This operation is implemented in terms of zero or more calls to the stream's asy
      std::size_t bytes_transferred
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -2684,7 +3045,7 @@ This data may be the start of a new line, to be extracted by a subsequent `async
 
 
 
-[section:overload4 async_read_until (4 of 8 overloads)]
+[section:overload4 async_read_until (4 of 12 overloads)]
 
 
 Start an asynchronous operation to read data into a dynamic buffer sequence until a function object indicates a match. 
@@ -2692,15 +3053,15 @@ Start an asynchronous operation to read data into a dynamic buffer sequence unti
 
   template<
       typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename MatchCondition,
       typename ``[link asio.reference.ReadHandler ReadHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_read_until(
       AsyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       MatchCondition match_condition,
       ReadHandler && handler,
-      typename enable_if< is_match_condition< MatchCondition >::value >::type *  = 0);
+      typename enable_if< is_match_condition< MatchCondition >::value &&is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
 
 
 This function is used to asynchronously read data into the specified dynamic buffer sequence until a user-defined match condition function object, when applied to the data contained in the dynamic buffer sequence, indicates a successful match. The function call always returns immediately. The asynchronous operation will continue until one of the following conditions is true:
@@ -2729,7 +3090,7 @@ This operation is implemented in terms of zero or more calls to the stream's asy
 ``
 where `iterator` represents the type: 
 ``
-   buffers_iterator<typename DynamicBuffer::const_buffers_type>
+   buffers_iterator<typename DynamicBuffer_v1::const_buffers_type>
 ``
 The iterator parameters `begin` and `end` define the range of bytes to be scanned to determine whether there is a match. The `first` member of the return value is an iterator marking one-past-the-end of the bytes that have been consumed by the match function. This iterator is used to calculate the `begin` parameter for any subsequent invocation of the match condition. The `second` member of the return value is true if a match has been found, false otherwise.]]
 
@@ -2745,7 +3106,7 @@ The iterator parameters `begin` and `end` define the range of bytes to be scanne
      std::size_t bytes_transferred
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -2822,7 +3183,7 @@ To asynchronously read data into a `std::string` until a matching character is f
 
 
 
-[section:overload5 async_read_until (5 of 8 overloads)]
+[section:overload5 async_read_until (5 of 12 overloads)]
 
 
 Start an asynchronous operation to read data into a streambuf until it contains a specified delimiter. 
@@ -2873,7 +3234,7 @@ This operation is implemented in terms of zero or more calls to the stream's asy
      std::size_t bytes_transferred
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -2927,7 +3288,7 @@ This data may be the start of a new line, to be extracted by a subsequent `async
 
 
 
-[section:overload6 async_read_until (6 of 8 overloads)]
+[section:overload6 async_read_until (6 of 12 overloads)]
 
 
 Start an asynchronous operation to read data into a streambuf until it contains a specified delimiter. 
@@ -2978,7 +3339,7 @@ This operation is implemented in terms of zero or more calls to the stream's asy
      std::size_t bytes_transferred
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -3032,7 +3393,7 @@ This data may be the start of a new line, to be extracted by a subsequent `async
 
 
 
-[section:overload7 async_read_until (7 of 8 overloads)]
+[section:overload7 async_read_until (7 of 12 overloads)]
 
 
 Start an asynchronous operation to read data into a streambuf until some part of its data matches a regular expression. 
@@ -3084,7 +3445,7 @@ This operation is implemented in terms of zero or more calls to the stream's asy
      std::size_t bytes_transferred
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -3138,7 +3499,7 @@ This data may be the start of a new line, to be extracted by a subsequent `async
 
 
 
-[section:overload8 async_read_until (8 of 8 overloads)]
+[section:overload8 async_read_until (8 of 12 overloads)]
 
 
 Start an asynchronous operation to read data into a streambuf until a function object indicates a match. 
@@ -3199,7 +3560,7 @@ The iterator parameters `begin` and `end` define the range of bytes to be scanne
      std::size_t bytes_transferred
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -3272,6 +3633,461 @@ To asynchronously read data into a streambuf until a matching character is found
 
 
 
+[endsect]
+
+
+
+[section:overload9 async_read_until (9 of 12 overloads)]
+
+
+Start an asynchronous operation to read data into a dynamic buffer sequence until it contains a specified delimiter. 
+
+
+  template<
+      typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename ``[link asio.reference.ReadHandler ReadHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_read_until(
+      AsyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      char delim,
+      ReadHandler && handler,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+
+
+This function is used to asynchronously read data into the specified dynamic buffer sequence until the dynamic buffer sequence's get area contains the specified delimiter. The function call always returns immediately. The asynchronous operation will continue until one of the following conditions is true:
+
+
+* The get area of the dynamic buffer sequence contains the specified delimiter.
+
+
+* An error occurred.
+
+This operation is implemented in terms of zero or more calls to the stream's async\_read\_some function, and is known as a ['composed operation]. If the dynamic buffer sequence's get area already contains the delimiter, this asynchronous operation completes immediately. The program must ensure that the stream performs no other read operations (such as async\_read, async\_read\_until, the stream's async\_read\_some function, or any other composed operations that perform reads) until this operation completes.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[s][The stream from which the data is to be read. The type must support the AsyncReadStream concept.]]
+
+[[buffers][The dynamic buffer sequence into which the data will be read. Although the buffers object may be copied as necessary, ownership of the underlying memory blocks is retained by the caller, which must guarantee that they remain valid until the handler is called.]]
+
+[[delim][The delimiter character.]]
+
+[[handler][The handler to be called when the read operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
+``
+   void handler(
+     // Result of operation.
+     const asio::error_code& error,
+
+     // The number of bytes in the dynamic buffer sequence's
+     // get area up to and including the delimiter.
+     // 0 if an error occurred.
+     std::size_t bytes_transferred
+   ); 
+``
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
+
+]
+
+
+[heading Remarks]
+      
+After a successful async\_read\_until operation, the dynamic buffer sequence may contain additional data beyond the delimiter. An application will typically leave that data in the dynamic buffer sequence for a subsequent async\_read\_until operation to examine.
+
+
+[heading Example]
+  
+To asynchronously read data into a `std::string` until a newline is encountered: 
+
+   std::string data;
+   ...
+   void handler(const asio::error_code& e, std::size_t size)
+   {
+     if (!e)
+     {
+       std::string line = data.substr(0, n);
+       data.erase(0, n);
+       ...
+     }
+   }
+   ...
+   asio::async_read_until(s, data, '\n', handler); 
+
+
+After the `async_read_until` operation completes successfully, the buffer `data` contains the delimiter: 
+
+   { 'a', 'b', ..., 'c', '\n', 'd', 'e', ... } 
+
+
+The call to `substr` then extracts the data up to and including the delimiter, so that the string `line` contains: 
+
+   { 'a', 'b', ..., 'c', '\n' } 
+
+
+After the call to `erase`, the remaining data is left in the buffer `data` as follows: 
+
+   { 'd', 'e', ... } 
+
+
+This data may be the start of a new line, to be extracted by a subsequent `async_read_until` operation. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload10 async_read_until (10 of 12 overloads)]
+
+
+Start an asynchronous operation to read data into a dynamic buffer sequence until it contains a specified delimiter. 
+
+
+  template<
+      typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename ``[link asio.reference.ReadHandler ReadHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_read_until(
+      AsyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      string_view delim,
+      ReadHandler && handler,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+
+
+This function is used to asynchronously read data into the specified dynamic buffer sequence until the dynamic buffer sequence's get area contains the specified delimiter. The function call always returns immediately. The asynchronous operation will continue until one of the following conditions is true:
+
+
+* The get area of the dynamic buffer sequence contains the specified delimiter.
+
+
+* An error occurred.
+
+This operation is implemented in terms of zero or more calls to the stream's async\_read\_some function, and is known as a ['composed operation]. If the dynamic buffer sequence's get area already contains the delimiter, this asynchronous operation completes immediately. The program must ensure that the stream performs no other read operations (such as async\_read, async\_read\_until, the stream's async\_read\_some function, or any other composed operations that perform reads) until this operation completes.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[s][The stream from which the data is to be read. The type must support the AsyncReadStream concept.]]
+
+[[buffers][The dynamic buffer sequence into which the data will be read. Although the buffers object may be copied as necessary, ownership of the underlying memory blocks is retained by the caller, which must guarantee that they remain valid until the handler is called.]]
+
+[[delim][The delimiter string.]]
+
+[[handler][The handler to be called when the read operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
+``
+   void handler(
+     // Result of operation.
+     const asio::error_code& error,
+
+     // The number of bytes in the dynamic buffer sequence's
+     // get area up to and including the delimiter.
+     // 0 if an error occurred.
+     std::size_t bytes_transferred
+   ); 
+``
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
+
+]
+
+
+[heading Remarks]
+      
+After a successful async\_read\_until operation, the dynamic buffer sequence may contain additional data beyond the delimiter. An application will typically leave that data in the dynamic buffer sequence for a subsequent async\_read\_until operation to examine.
+
+
+[heading Example]
+  
+To asynchronously read data into a `std::string` until a CR-LF sequence is encountered: 
+
+   std::string data;
+   ...
+   void handler(const asio::error_code& e, std::size_t size)
+   {
+     if (!e)
+     {
+       std::string line = data.substr(0, n);
+       data.erase(0, n);
+       ...
+     }
+   }
+   ...
+   asio::async_read_until(s, data, "\r\n", handler); 
+
+
+After the `async_read_until` operation completes successfully, the string `data` contains the delimiter: 
+
+   { 'a', 'b', ..., 'c', '\r', '\n', 'd', 'e', ... } 
+
+
+The call to `substr` then extracts the data up to and including the delimiter, so that the string `line` contains: 
+
+   { 'a', 'b', ..., 'c', '\r', '\n' } 
+
+
+After the call to `erase`, the remaining data is left in the string `data` as follows: 
+
+   { 'd', 'e', ... } 
+
+
+This data may be the start of a new line, to be extracted by a subsequent `async_read_until` operation. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload11 async_read_until (11 of 12 overloads)]
+
+
+Start an asynchronous operation to read data into a dynamic buffer sequence until some part of its data matches a regular expression. 
+
+
+  template<
+      typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename ``[link asio.reference.ReadHandler ReadHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_read_until(
+      AsyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      const boost::regex & expr,
+      ReadHandler && handler,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+
+
+This function is used to asynchronously read data into the specified dynamic buffer sequence until the dynamic buffer sequence's get area contains some data that matches a regular expression. The function call always returns immediately. The asynchronous operation will continue until one of the following conditions is true:
+
+
+* A substring of the dynamic buffer sequence's get area matches the regular expression.
+
+
+* An error occurred.
+
+This operation is implemented in terms of zero or more calls to the stream's async\_read\_some function, and is known as a ['composed operation]. If the dynamic buffer sequence's get area already contains data that matches the regular expression, this asynchronous operation completes immediately. The program must ensure that the stream performs no other read operations (such as async\_read, async\_read\_until, the stream's async\_read\_some function, or any other composed operations that perform reads) until this operation completes.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[s][The stream from which the data is to be read. The type must support the AsyncReadStream concept.]]
+
+[[buffers][The dynamic buffer sequence into which the data will be read. Although the buffers object may be copied as necessary, ownership of the underlying memory blocks is retained by the caller, which must guarantee that they remain valid until the handler is called.]]
+
+[[expr][The regular expression.]]
+
+[[handler][The handler to be called when the read operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
+``
+   void handler(
+     // Result of operation.
+     const asio::error_code& error,
+
+     // The number of bytes in the dynamic buffer
+     // sequence's get area up to and including the
+     // substring that matches the regular expression.
+     // 0 if an error occurred.
+     std::size_t bytes_transferred
+   ); 
+``
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
+
+]
+
+
+[heading Remarks]
+      
+After a successful async\_read\_until operation, the dynamic buffer sequence may contain additional data beyond that which matched the regular expression. An application will typically leave that data in the dynamic buffer sequence for a subsequent async\_read\_until operation to examine.
+
+
+[heading Example]
+  
+To asynchronously read data into a `std::string` until a CR-LF sequence is encountered: 
+
+   std::string data;
+   ...
+   void handler(const asio::error_code& e, std::size_t size)
+   {
+     if (!e)
+     {
+       std::string line = data.substr(0, n);
+       data.erase(0, n);
+       ...
+     }
+   }
+   ...
+   asio::async_read_until(s, data,
+       boost::regex("\r\n"), handler); 
+
+
+After the `async_read_until` operation completes successfully, the string `data` contains the data which matched the regular expression: 
+
+   { 'a', 'b', ..., 'c', '\r', '\n', 'd', 'e', ... } 
+
+
+The call to `substr` then extracts the data up to and including the match, so that the string `line` contains: 
+
+   { 'a', 'b', ..., 'c', '\r', '\n' } 
+
+
+After the call to `erase`, the remaining data is left in the string `data` as follows: 
+
+   { 'd', 'e', ... } 
+
+
+This data may be the start of a new line, to be extracted by a subsequent `async_read_until` operation. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload12 async_read_until (12 of 12 overloads)]
+
+
+Start an asynchronous operation to read data into a dynamic buffer sequence until a function object indicates a match. 
+
+
+  template<
+      typename ``[link asio.reference.AsyncReadStream AsyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename MatchCondition,
+      typename ``[link asio.reference.ReadHandler ReadHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_read_until(
+      AsyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      MatchCondition match_condition,
+      ReadHandler && handler,
+      typename enable_if< is_match_condition< MatchCondition >::value &&is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+
+
+This function is used to asynchronously read data into the specified dynamic buffer sequence until a user-defined match condition function object, when applied to the data contained in the dynamic buffer sequence, indicates a successful match. The function call always returns immediately. The asynchronous operation will continue until one of the following conditions is true:
+
+
+* The match condition function object returns a std::pair where the second element evaluates to true.
+
+
+* An error occurred.
+
+This operation is implemented in terms of zero or more calls to the stream's async\_read\_some function, and is known as a ['composed operation]. If the match condition function object already indicates a match, this asynchronous operation completes immediately. The program must ensure that the stream performs no other read operations (such as async\_read, async\_read\_until, the stream's async\_read\_some function, or any other composed operations that perform reads) until this operation completes.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[s][The stream from which the data is to be read. The type must support the AsyncReadStream concept.]]
+
+[[buffers][The dynamic buffer sequence into which the data will be read. Although the buffers object may be copied as necessary, ownership of the underlying memory blocks is retained by the caller, which must guarantee that they remain valid until the handler is called.]]
+
+[[match_condition][The function object to be called to determine whether a match exists. The signature of the function object must be: 
+``
+   pair<iterator, bool> match_condition(iterator begin, iterator end);
+``
+where `iterator` represents the type: 
+``
+   buffers_iterator<typename DynamicBuffer_v2::const_buffers_type>
+``
+The iterator parameters `begin` and `end` define the range of bytes to be scanned to determine whether there is a match. The `first` member of the return value is an iterator marking one-past-the-end of the bytes that have been consumed by the match function. This iterator is used to calculate the `begin` parameter for any subsequent invocation of the match condition. The `second` member of the return value is true if a match has been found, false otherwise.]]
+
+[[handler][The handler to be called when the read operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
+``
+   void handler(
+     // Result of operation.
+     const asio::error_code& error,
+
+     // The number of bytes in the dynamic buffer sequence's
+     // get area that have been fully consumed by the match
+     // function. O if an error occurred.
+     std::size_t bytes_transferred
+   ); 
+``
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
+
+]
+
+
+[heading Remarks]
+      
+After a successful async\_read\_until operation, the dynamic buffer sequence may contain additional data beyond that which matched the function object. An application will typically leave that data in the dynamic buffer sequence for a subsequent async\_read\_until operation to examine.
+
+The default implementation of the `is_match_condition` type trait evaluates to true for function pointers and function objects with a `result_type` typedef. It must be specialised for other user-defined function objects.
+
+
+[heading Examples]
+  
+To asynchronously read data into a `std::string` until whitespace is encountered: 
+
+   typedef asio::buffers_iterator<
+       asio::const_buffers_1> iterator;
+
+   std::pair<iterator, bool>
+   match_whitespace(iterator begin, iterator end)
+   {
+     iterator i = begin;
+     while (i != end)
+       if (std::isspace(*i++))
+         return std::make_pair(i, true);
+     return std::make_pair(i, false);
+   }
+   ...
+   void handler(const asio::error_code& e, std::size_t size);
+   ...
+   std::string data;
+   asio::async_read_until(s, data, match_whitespace, handler);
+
+
+
+
+To asynchronously read data into a `std::string` until a matching character is found: 
+
+   class match_char
+   {
+   public:
+     explicit match_char(char c) : c_(c) {}
+
+     template <typename Iterator>
+     std::pair<Iterator, bool> operator()(
+         Iterator begin, Iterator end) const
+     {
+       Iterator i = begin;
+       while (i != end)
+         if (c_ == *i++)
+           return std::make_pair(i, true);
+       return std::make_pair(i, false);
+     }
+
+   private:
+     char c_;
+   };
+
+   namespace asio {
+     template <> struct is_match_condition<match_char>
+       : public boost::true_type {};
+   } // namespace asio
+   ...
+   void handler(const asio::error_code& e, std::size_t size);
+   ...
+   std::string data;
+   asio::async_read_until(s, data, match_char('a'), handler);
+
+
+
+
+
 [endsect]
 
 
@@ -3323,6 +4139,11 @@ An interface for customising the behaviour of an initiating function.
     [Obtain the value to be returned from the initiating function. ]
   ]
   
+  [
+    [[link asio.reference.async_result.initiate [*initiate]]]
+    [Initiate the asynchronous operation that will produce the result, and obtain the value to be returned from the initiating function. ]
+  ]
+  
 ]
 
 The [link asio.reference.async_result `async_result`] traits class is used for determining:
@@ -3399,6 +4220,27 @@ Obtain the value to be returned from the initiating function.
 
 
 
+[section:initiate async_result::initiate]
+
+[indexterm2 asio.indexterm.async_result.initiate..initiate..async_result] 
+Initiate the asynchronous operation that will produce the result, and obtain the value to be returned from the initiating function. 
+
+
+  template<
+      typename Initiation,
+      typename RawCompletionToken,
+      typename... Args>
+  static return_type initiate(
+      Initiation && initiation,
+      RawCompletionToken && token,
+      Args &&... args);
+
+
+
+[endsect]
+
+
+
 [section:return_type async_result::return_type]
 
 [indexterm2 asio.indexterm.async_result.return_type..return_type..async_result] 
@@ -3420,109 +4262,6 @@ The return type of the initiating function.
 
 
 
-[endsect]
-
-[section:async_result_lt__Handler__gt_ async_result< Handler >]
-
-
-(Deprecated: Use two-parameter version of [link asio.reference.async_result `async_result`].) An interface for customising the behaviour of an initiating function. 
-
-
-  template<
-      typename ``[link asio.reference.Handler Handler]``>
-  class async_result< Handler >
-
-
-[heading Types]
-[table
-  [[Name][Description]]
-
-  [
-
-    [[link asio.reference.async_result_lt__Handler__gt_.type [*type]]]
-    [The return type of the initiating function. ]
-  
-  ]
-
-]
-
-[heading Member Functions]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.async_result_lt__Handler__gt_.async_result [*async_result]]]
-    [Construct an async result from a given handler. ]
-  ]
-  
-  [
-    [[link asio.reference.async_result_lt__Handler__gt_.get [*get]]]
-    [Obtain the value to be returned from the initiating function. ]
-  ]
-  
-]
-
-This template may be specialised for user-defined handler types. 
-
-[heading Requirements]
-
-['Header: ][^asio/async_result.hpp]
-
-['Convenience header: ][^asio.hpp]
-
-
-[section:async_result async_result< Handler >::async_result]
-
-[indexterm2 asio.indexterm.async_result_lt__Handler__gt_.async_result..async_result..async_result< Handler >] 
-Construct an async result from a given handler. 
-
-
-  async_result(
-      Handler & );
-
-
-When using a specalised [link asio.reference.async_result `async_result`], the constructor has an opportunity to initialise some state associated with the handler, which is then returned from the initiating function. 
-
-
-[endsect]
-
-
-
-[section:get async_result< Handler >::get]
-
-[indexterm2 asio.indexterm.async_result_lt__Handler__gt_.get..get..async_result< Handler >] 
-Obtain the value to be returned from the initiating function. 
-
-
-  type get();
-
-
-
-[endsect]
-
-
-
-[section:type async_result< Handler >::type]
-
-[indexterm2 asio.indexterm.async_result_lt__Handler__gt_.type..type..async_result< Handler >] 
-The return type of the initiating function. 
-
-
-  typedef void type;
-
-
-
-[heading Requirements]
-
-['Header: ][^asio/async_result.hpp]
-
-['Convenience header: ][^asio.hpp]
-
-
-[endsect]
-
-
-
 [endsect]
 
 [section:async_result_lt__std__packaged_task_lt__Result_lp_Args_ellipsis__rp__gt__comma__Signature__gt_ async_result< std::packaged_task< Result(Args...)>, Signature >]
@@ -3657,9 +4396,11 @@ The return type of the initiating function is the future obtained from the packa
 [section:async_write async_write]
 
 [indexterm1 asio.indexterm.async_write..async_write] 
-Start an asynchronous operation to write a certain amount of data to a stream. 
+The `async_write` function is a composed asynchronous operation that writes a certain amount of data to a stream before completion. 
+
+
+Start an asynchronous operation to write all of the supplied data to a stream. 
 
-      
   template<
       typename ``[link asio.reference.AsyncWriteStream AsyncWriteStream]``,
       typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``,
@@ -3671,6 +4412,8 @@ Start an asynchronous operation to write a certain amount of data to a stream.
       typename enable_if< is_const_buffer_sequence< ConstBufferSequence >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.async_write.overload1 more...]]``
 
+Start an asynchronous operation to write a certain amount of data to a stream. 
+
   template<
       typename ``[link asio.reference.AsyncWriteStream AsyncWriteStream]``,
       typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``,
@@ -3684,30 +4427,36 @@ Start an asynchronous operation to write a certain amount of data to a stream.
       typename enable_if< is_const_buffer_sequence< ConstBufferSequence >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.async_write.overload2 more...]]``
 
-  template<
-      typename ``[link asio.reference.AsyncWriteStream AsyncWriteStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
-      typename ``[link asio.reference.WriteHandler WriteHandler]``>
-  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.async_write.overload3 async_write]``(
-      AsyncWriteStream & s,
-      DynamicBuffer && buffers,
-      WriteHandler && handler,
-      typename enable_if< is_dynamic_buffer< DynamicBuffer >::value >::type *  = 0);
-  ``  [''''&raquo;''' [link asio.reference.async_write.overload3 more...]]``
+Start an asynchronous operation to write all of the supplied data to a stream. 
 
   template<
       typename ``[link asio.reference.AsyncWriteStream AsyncWriteStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
+      typename ``[link asio.reference.WriteHandler WriteHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.async_write.overload3 async_write]``(
+      AsyncWriteStream & s,
+      DynamicBuffer_v1 && buffers,
+      WriteHandler && handler,
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.async_write.overload3 more...]]``
+
+Start an asynchronous operation to write a certain amount of data to a stream. 
+
+  template<
+      typename ``[link asio.reference.AsyncWriteStream AsyncWriteStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename ``[link asio.reference.CompletionCondition CompletionCondition]``,
       typename ``[link asio.reference.WriteHandler WriteHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.async_write.overload4 async_write]``(
       AsyncWriteStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       CompletionCondition completion_condition,
       WriteHandler && handler,
-      typename enable_if< is_dynamic_buffer< DynamicBuffer >::value >::type *  = 0);
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.async_write.overload4 more...]]``
 
+Start an asynchronous operation to write all of the supplied data to a stream. 
+
   template<
       typename ``[link asio.reference.AsyncWriteStream AsyncWriteStream]``,
       typename Allocator,
@@ -3718,6 +4467,8 @@ Start an asynchronous operation to write a certain amount of data to a stream.
       WriteHandler && handler);
   ``  [''''&raquo;''' [link asio.reference.async_write.overload5 more...]]``
 
+Start an asynchronous operation to write a certain amount of data to a stream. 
+
   template<
       typename ``[link asio.reference.AsyncWriteStream AsyncWriteStream]``,
       typename Allocator,
@@ -3730,6 +4481,34 @@ Start an asynchronous operation to write a certain amount of data to a stream.
       WriteHandler && handler);
   ``  [''''&raquo;''' [link asio.reference.async_write.overload6 more...]]``
 
+Start an asynchronous operation to write all of the supplied data to a stream. 
+
+  template<
+      typename ``[link asio.reference.AsyncWriteStream AsyncWriteStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename ``[link asio.reference.WriteHandler WriteHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.async_write.overload7 async_write]``(
+      AsyncWriteStream & s,
+      DynamicBuffer_v2 buffers,
+      WriteHandler && handler,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.async_write.overload7 more...]]``
+
+Start an asynchronous operation to write a certain amount of data to a stream. 
+
+  template<
+      typename ``[link asio.reference.AsyncWriteStream AsyncWriteStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename ``[link asio.reference.CompletionCondition CompletionCondition]``,
+      typename ``[link asio.reference.WriteHandler WriteHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.async_write.overload8 async_write]``(
+      AsyncWriteStream & s,
+      DynamicBuffer_v2 buffers,
+      CompletionCondition completion_condition,
+      WriteHandler && handler,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.async_write.overload8 more...]]``
+
 [heading Requirements]
 
 ['Header: ][^asio/write.hpp]
@@ -3737,7 +4516,7 @@ Start an asynchronous operation to write a certain amount of data to a stream.
 ['Convenience header: ][^asio.hpp]
 
 
-[section:overload1 async_write (1 of 6 overloads)]
+[section:overload1 async_write (1 of 8 overloads)]
 
 
 Start an asynchronous operation to write all of the supplied data to a stream. 
@@ -3785,7 +4564,7 @@ This operation is implemented in terms of zero or more calls to the stream's asy
                                              // of the buffer sizes.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -3806,7 +4585,7 @@ See the [link asio.reference.buffer `buffer`]  documentation for information on
 
 
 
-[section:overload2 async_write (2 of 6 overloads)]
+[section:overload2 async_write (2 of 8 overloads)]
 
 
 Start an asynchronous operation to write a certain amount of data to a stream. 
@@ -3868,7 +4647,7 @@ A return value of 0 indicates that the write operation is complete. A non-zero r
                                              // of the buffer sizes.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -3892,7 +4671,7 @@ See the [link asio.reference.buffer `buffer`]  documentation for information on
 
 
 
-[section:overload3 async_write (3 of 6 overloads)]
+[section:overload3 async_write (3 of 8 overloads)]
 
 
 Start an asynchronous operation to write all of the supplied data to a stream. 
@@ -3900,13 +4679,13 @@ Start an asynchronous operation to write all of the supplied data to a stream.
 
   template<
       typename ``[link asio.reference.AsyncWriteStream AsyncWriteStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename ``[link asio.reference.WriteHandler WriteHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_write(
       AsyncWriteStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       WriteHandler && handler,
-      typename enable_if< is_dynamic_buffer< DynamicBuffer >::value >::type *  = 0);
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
 
 
 This function is used to asynchronously write a certain number of bytes of data to a stream. The function call always returns immediately. The asynchronous operation will continue until one of the following conditions is true:
@@ -3940,7 +4719,7 @@ This operation is implemented in terms of zero or more calls to the stream's asy
                                              // of the buffer sizes.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`. ]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`]. ]]
 
 ]
 
@@ -3951,7 +4730,7 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
 
 
-[section:overload4 async_write (4 of 6 overloads)]
+[section:overload4 async_write (4 of 8 overloads)]
 
 
 Start an asynchronous operation to write a certain amount of data to a stream. 
@@ -3959,15 +4738,15 @@ Start an asynchronous operation to write a certain amount of data to a stream.
 
   template<
       typename ``[link asio.reference.AsyncWriteStream AsyncWriteStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename ``[link asio.reference.CompletionCondition CompletionCondition]``,
       typename ``[link asio.reference.WriteHandler WriteHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_write(
       AsyncWriteStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       CompletionCondition completion_condition,
       WriteHandler && handler,
-      typename enable_if< is_dynamic_buffer< DynamicBuffer >::value >::type *  = 0);
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
 
 
 This function is used to asynchronously write a certain number of bytes of data to a stream. The function call always returns immediately. The asynchronous operation will continue until one of the following conditions is true:
@@ -4013,7 +4792,7 @@ A return value of 0 indicates that the write operation is complete. A non-zero r
                                              // of the buffer sizes.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`. ]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`]. ]]
 
 ]
 
@@ -4024,7 +4803,7 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
 
 
-[section:overload5 async_write (5 of 6 overloads)]
+[section:overload5 async_write (5 of 8 overloads)]
 
 
 Start an asynchronous operation to write all of the supplied data to a stream. 
@@ -4071,7 +4850,7 @@ This operation is implemented in terms of zero or more calls to the stream's asy
                                              // of the buffer sizes.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`. ]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`]. ]]
 
 ]
 
@@ -4082,7 +4861,7 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
 
 
-[section:overload6 async_write (6 of 6 overloads)]
+[section:overload6 async_write (6 of 8 overloads)]
 
 
 Start an asynchronous operation to write a certain amount of data to a stream. 
@@ -4143,7 +4922,139 @@ A return value of 0 indicates that the write operation is complete. A non-zero r
                                              // of the buffer sizes.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`. ]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`]. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload7 async_write (7 of 8 overloads)]
+
+
+Start an asynchronous operation to write all of the supplied data to a stream. 
+
+
+  template<
+      typename ``[link asio.reference.AsyncWriteStream AsyncWriteStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename ``[link asio.reference.WriteHandler WriteHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_write(
+      AsyncWriteStream & s,
+      DynamicBuffer_v2 buffers,
+      WriteHandler && handler,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+
+
+This function is used to asynchronously write a certain number of bytes of data to a stream. The function call always returns immediately. The asynchronous operation will continue until one of the following conditions is true:
+
+
+* All of the data in the supplied dynamic buffer sequence has been written.
+
+
+* An error occurred.
+
+This operation is implemented in terms of zero or more calls to the stream's async\_write\_some function, and is known as a ['composed operation]. The program must ensure that the stream performs no other write operations (such as async\_write, the stream's async\_write\_some function, or any other composed operations that perform writes) until this operation completes.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[s][The stream to which the data is to be written. The type must support the AsyncWriteStream concept.]]
+
+[[buffers][The dynamic buffer sequence from which data will be written. Although the buffers object may be copied as necessary, ownership of the underlying memory blocks is retained by the caller, which must guarantee that they remain valid until the handler is called. Successfully written data is automatically consumed from the buffers.]]
+
+[[handler][The handler to be called when the write operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
+``
+   void handler(
+     const asio::error_code& error, // Result of operation.
+
+     std::size_t bytes_transferred           // Number of bytes written from the
+                                             // buffers. If an error occurred,
+                                             // this will be less than the sum
+                                             // of the buffer sizes.
+   ); 
+``
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`]. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload8 async_write (8 of 8 overloads)]
+
+
+Start an asynchronous operation to write a certain amount of data to a stream. 
+
+
+  template<
+      typename ``[link asio.reference.AsyncWriteStream AsyncWriteStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename ``[link asio.reference.CompletionCondition CompletionCondition]``,
+      typename ``[link asio.reference.WriteHandler WriteHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_write(
+      AsyncWriteStream & s,
+      DynamicBuffer_v2 buffers,
+      CompletionCondition completion_condition,
+      WriteHandler && handler,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+
+
+This function is used to asynchronously write a certain number of bytes of data to a stream. The function call always returns immediately. The asynchronous operation will continue until one of the following conditions is true:
+
+
+* All of the data in the supplied dynamic buffer sequence has been written.
+
+
+* The completion\_condition function object returns 0.
+
+This operation is implemented in terms of zero or more calls to the stream's async\_write\_some function, and is known as a ['composed operation]. The program must ensure that the stream performs no other write operations (such as async\_write, the stream's async\_write\_some function, or any other composed operations that perform writes) until this operation completes.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[s][The stream to which the data is to be written. The type must support the AsyncWriteStream concept.]]
+
+[[buffers][The dynamic buffer sequence from which data will be written. Although the buffers object may be copied as necessary, ownership of the underlying memory blocks is retained by the caller, which must guarantee that they remain valid until the handler is called. Successfully written data is automatically consumed from the buffers.]]
+
+[[completion_condition][The function object to be called to determine whether the write operation is complete. The signature of the function object must be: 
+``
+   std::size_t completion_condition(
+     // Result of latest async_write_some operation.
+     const asio::error_code& error,
+
+     // Number of bytes transferred so far.
+     std::size_t bytes_transferred
+   ); 
+``
+A return value of 0 indicates that the write operation is complete. A non-zero return value indicates the maximum number of bytes to be written on the next call to the stream's async\_write\_some function.]]
+
+[[handler][The handler to be called when the write operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
+``
+   void handler(
+     const asio::error_code& error, // Result of operation.
+
+     std::size_t bytes_transferred           // Number of bytes written from the
+                                             // buffers. If an error occurred,
+                                             // this will be less than the sum
+                                             // of the buffer sizes.
+   ); 
+``
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`]. ]]
 
 ]
 
@@ -4158,9 +5069,11 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 [section:async_write_at async_write_at]
 
 [indexterm1 asio.indexterm.async_write_at..async_write_at] 
-Start an asynchronous operation to write a certain amount of data at the specified offset. 
+The `async_write_at` function is a composed asynchronous operation that writes a certain amount of data at the specified offset before completion. 
+
+
+Start an asynchronous operation to write all of the supplied data at the specified offset. 
 
-      
   template<
       typename ``[link asio.reference.AsyncRandomAccessWriteDevice AsyncRandomAccessWriteDevice]``,
       typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``,
@@ -4172,6 +5085,8 @@ Start an asynchronous operation to write a certain amount of data at the specifi
       WriteHandler && handler);
   ``  [''''&raquo;''' [link asio.reference.async_write_at.overload1 more...]]``
 
+Start an asynchronous operation to write a certain amount of data at the specified offset. 
+
   template<
       typename ``[link asio.reference.AsyncRandomAccessWriteDevice AsyncRandomAccessWriteDevice]``,
       typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``,
@@ -4185,6 +5100,8 @@ Start an asynchronous operation to write a certain amount of data at the specifi
       WriteHandler && handler);
   ``  [''''&raquo;''' [link asio.reference.async_write_at.overload2 more...]]``
 
+Start an asynchronous operation to write all of the supplied data at the specified offset. 
+
   template<
       typename ``[link asio.reference.AsyncRandomAccessWriteDevice AsyncRandomAccessWriteDevice]``,
       typename Allocator,
@@ -4196,6 +5113,8 @@ Start an asynchronous operation to write a certain amount of data at the specifi
       WriteHandler && handler);
   ``  [''''&raquo;''' [link asio.reference.async_write_at.overload3 more...]]``
 
+Start an asynchronous operation to write a certain amount of data at the specified offset. 
+
   template<
       typename ``[link asio.reference.AsyncRandomAccessWriteDevice AsyncRandomAccessWriteDevice]``,
       typename Allocator,
@@ -4266,7 +5185,7 @@ This operation is implemented in terms of zero or more calls to the device's asy
      std::size_t bytes_transferred
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -4351,7 +5270,7 @@ A return value of 0 indicates that the write operation is complete. A non-zero r
      std::size_t bytes_transferred
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -4425,7 +5344,7 @@ This operation is implemented in terms of zero or more calls to the device's asy
      std::size_t bytes_transferred
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`. ]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`]. ]]
 
 ]
 
@@ -4500,7 +5419,7 @@ A return value of 0 indicates that the write operation is complete. A non-zero r
      std::size_t bytes_transferred
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`. ]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`]. ]]
 
 ]
 
@@ -4510,6 +5429,188 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 [endsect]
 
 
+[endsect]
+
+[section:awaitable awaitable]
+
+
+The return type of a coroutine or asynchronous operation. 
+
+
+  template<
+      typename T,
+      typename ``[link asio.reference.Executor1 Executor]`` = executor>
+  class awaitable
+
+
+[heading Types]
+[table
+  [[Name][Description]]
+
+  [
+
+    [[link asio.reference.awaitable.executor_type [*executor_type]]]
+    [The executor type that will be used for the coroutine. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.awaitable.value_type [*value_type]]]
+    [The type of the awaited value. ]
+  
+  ]
+
+]
+
+[heading Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.awaitable.awaitable [*awaitable]]]
+    [Default constructor. 
+     [hr]
+     Move constructor. ]
+  ]
+  
+  [
+    [[link asio.reference.awaitable.valid [*valid]]]
+    [Checks if the awaitable refers to a future result. ]
+  ]
+  
+  [
+    [[link asio.reference.awaitable._awaitable [*~awaitable]]]
+    [Destructor. ]
+  ]
+  
+]
+
+[heading Requirements]
+
+['Header: ][^asio/awaitable.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+[section:awaitable awaitable::awaitable]
+
+[indexterm2 asio.indexterm.awaitable.awaitable..awaitable..awaitable] 
+Default constructor. 
+
+
+  constexpr ``[link asio.reference.awaitable.awaitable.overload1 awaitable]``();
+  ``  [''''&raquo;''' [link asio.reference.awaitable.awaitable.overload1 more...]]``
+
+
+Move constructor. 
+
+
+  ``[link asio.reference.awaitable.awaitable.overload2 awaitable]``(
+      awaitable && other);
+  ``  [''''&raquo;''' [link asio.reference.awaitable.awaitable.overload2 more...]]``
+
+
+[section:overload1 awaitable::awaitable (1 of 2 overloads)]
+
+
+Default constructor. 
+
+
+  constexpr awaitable();
+
+
+
+[endsect]
+
+
+
+[section:overload2 awaitable::awaitable (2 of 2 overloads)]
+
+
+Move constructor. 
+
+
+  awaitable(
+      awaitable && other);
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:executor_type awaitable::executor_type]
+
+[indexterm2 asio.indexterm.awaitable.executor_type..executor_type..awaitable] 
+The executor type that will be used for the coroutine. 
+
+
+  typedef Executor executor_type;
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/awaitable.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+
+[section:valid awaitable::valid]
+
+[indexterm2 asio.indexterm.awaitable.valid..valid..awaitable] 
+Checks if the awaitable refers to a future result. 
+
+
+  bool valid() const;
+
+
+
+[endsect]
+
+
+
+[section:value_type awaitable::value_type]
+
+[indexterm2 asio.indexterm.awaitable.value_type..value_type..awaitable] 
+The type of the awaited value. 
+
+
+  typedef T value_type;
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/awaitable.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+
+[section:_awaitable awaitable::~awaitable]
+
+[indexterm2 asio.indexterm.awaitable._awaitable..~awaitable..awaitable] 
+Destructor. 
+
+
+  ~awaitable();
+
+
+
+[endsect]
+
+
+
 [endsect]
 
 [section:bad_executor bad_executor]
@@ -4582,15 +5683,23 @@ Provides datagram-oriented socket functionality.
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol]``>
+      typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``>
   class basic_datagram_socket :
-    public basic_socket< Protocol >
+    public basic_socket< Protocol, Executor >
 
 
 [heading Types]
 [table
   [[Name][Description]]
 
+  [
+
+    [[link asio.reference.basic_datagram_socket__rebind_executor [*rebind_executor]]]
+    [Rebinds the socket type to another executor. ]
+  
+  ]
+
   [
 
     [[link asio.reference.basic_datagram_socket.broadcast [*broadcast]]]
@@ -4792,15 +5901,15 @@ Provides datagram-oriented socket functionality.
   [
     [[link asio.reference.basic_datagram_socket.basic_datagram_socket [*basic_datagram_socket]]]
     [Construct a basic_datagram_socket without opening it. 
-
+     [hr]
      Construct and open a basic_datagram_socket. 
-
+     [hr]
      Construct a basic_datagram_socket, opening it and binding it to the given local endpoint. 
-
+     [hr]
      Construct a basic_datagram_socket on an existing native socket. 
-
+     [hr]
      Move-construct a basic_datagram_socket from another. 
-
+     [hr]
      Move-construct a basic_datagram_socket from a socket of another protocol type. ]
   ]
   
@@ -4829,16 +5938,6 @@ Provides datagram-oriented socket functionality.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_datagram_socket.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_datagram_socket.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_datagram_socket.get_option [*get_option]]]
     [Get an option from the socket. ]
@@ -4862,7 +5961,7 @@ Provides datagram-oriented socket functionality.
   [
     [[link asio.reference.basic_datagram_socket.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
@@ -4874,14 +5973,14 @@ Provides datagram-oriented socket functionality.
   [
     [[link asio.reference.basic_datagram_socket.native_non_blocking [*native_non_blocking]]]
     [Gets the non-blocking mode of the native socket implementation. 
-
+     [hr]
      Sets the non-blocking mode of the native socket implementation. ]
   ]
   
   [
     [[link asio.reference.basic_datagram_socket.non_blocking [*non_blocking]]]
     [Gets the non-blocking mode of the socket. 
-
+     [hr]
      Sets the non-blocking mode of the socket. ]
   ]
   
@@ -4893,7 +5992,7 @@ Provides datagram-oriented socket functionality.
   [
     [[link asio.reference.basic_datagram_socket.operator_eq_ [*operator=]]]
     [Move-assign a basic_datagram_socket from another. 
-
+     [hr]
      Move-assign a basic_datagram_socket from a socket of another protocol type. ]
   ]
   
@@ -4985,6 +6084,17 @@ Provides datagram-oriented socket functionality.
 
 ]
 
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_datagram_socket.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
 The [link asio.reference.basic_datagram_socket `basic_datagram_socket`] class template provides asynchronous and blocking datagram-oriented socket functionality.
 
 
@@ -5095,7 +6205,7 @@ The socket is automatically opened if it is not already open. If the connect fai
      const asio::error_code& error // Result of operation
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -5114,7 +6224,7 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
    ...
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    asio::ip::tcp::endpoint endpoint(
        asio::ip::address::from_string("1.2.3.4"), 12345);
    socket.async_connect(endpoint, connect_handler);
@@ -5183,7 +6293,7 @@ This function is used to asynchronously receive data from the datagram socket. T
      std::size_t bytes_transferred           // Number of bytes received.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -5243,7 +6353,7 @@ This function is used to asynchronously receive data from the datagram socket. T
      std::size_t bytes_transferred           // Number of bytes received.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -5320,7 +6430,7 @@ This function is used to asynchronously receive a datagram. The function call al
      std::size_t bytes_transferred           // Number of bytes received.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -5379,7 +6489,7 @@ This function is used to asynchronously receive a datagram. The function call al
      std::size_t bytes_transferred           // Number of bytes received.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`. ]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`]. ]]
 
 ]
 
@@ -5446,7 +6556,7 @@ This function is used to asynchronously send data on the datagram socket. The fu
      std::size_t bytes_transferred           // Number of bytes sent.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -5506,7 +6616,7 @@ This function is used to asynchronously send data on the datagram socket. The fu
      std::size_t bytes_transferred           // Number of bytes sent.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -5583,7 +6693,7 @@ This function is used to asynchronously send a datagram to the specified remote
      std::size_t bytes_transferred           // Number of bytes sent.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -5644,7 +6754,7 @@ This function is used to asynchronously send a datagram to the specified remote
      std::size_t bytes_transferred           // Number of bytes sent.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`. ]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`]. ]]
 
 ]
 
@@ -5689,7 +6799,7 @@ This function is used to perform an asynchronous wait for a socket to enter a re
      const asio::error_code& error // Result of operation
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -5708,7 +6818,7 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
    ...
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    socket.async_wait(asio::ip::tcp::socket::wait_read, wait_handler);
 
@@ -5904,65 +7014,98 @@ Construct a [link asio.reference.basic_datagram_socket `basic_datagram_socket`]
 
 
   explicit ``[link asio.reference.basic_datagram_socket.basic_datagram_socket.overload1 basic_datagram_socket]``(
-      asio::io_context & io_context);
+      const executor_type & ex);
   ``  [''''&raquo;''' [link asio.reference.basic_datagram_socket.basic_datagram_socket.overload1 more...]]``
 
+  template<
+      typename ExecutionContext>
+  explicit ``[link asio.reference.basic_datagram_socket.basic_datagram_socket.overload2 basic_datagram_socket]``(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_datagram_socket.basic_datagram_socket.overload2 more...]]``
+
 
 Construct and open a [link asio.reference.basic_datagram_socket `basic_datagram_socket`]. 
 
 
-  ``[link asio.reference.basic_datagram_socket.basic_datagram_socket.overload2 basic_datagram_socket]``(
-      asio::io_context & io_context,
+  ``[link asio.reference.basic_datagram_socket.basic_datagram_socket.overload3 basic_datagram_socket]``(
+      const executor_type & ex,
       const protocol_type & protocol);
-  ``  [''''&raquo;''' [link asio.reference.basic_datagram_socket.basic_datagram_socket.overload2 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_datagram_socket.basic_datagram_socket.overload3 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_datagram_socket.basic_datagram_socket.overload4 basic_datagram_socket]``(
+      ExecutionContext & context,
+      const protocol_type & protocol,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_datagram_socket.basic_datagram_socket.overload4 more...]]``
 
 
 Construct a [link asio.reference.basic_datagram_socket `basic_datagram_socket`], opening it and binding it to the given local endpoint. 
 
 
-  ``[link asio.reference.basic_datagram_socket.basic_datagram_socket.overload3 basic_datagram_socket]``(
-      asio::io_context & io_context,
+  ``[link asio.reference.basic_datagram_socket.basic_datagram_socket.overload5 basic_datagram_socket]``(
+      const executor_type & ex,
       const endpoint_type & endpoint);
-  ``  [''''&raquo;''' [link asio.reference.basic_datagram_socket.basic_datagram_socket.overload3 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_datagram_socket.basic_datagram_socket.overload5 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_datagram_socket.basic_datagram_socket.overload6 basic_datagram_socket]``(
+      ExecutionContext & context,
+      const endpoint_type & endpoint,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_datagram_socket.basic_datagram_socket.overload6 more...]]``
 
 
 Construct a [link asio.reference.basic_datagram_socket `basic_datagram_socket`] on an existing native socket. 
 
 
-  ``[link asio.reference.basic_datagram_socket.basic_datagram_socket.overload4 basic_datagram_socket]``(
-      asio::io_context & io_context,
+  ``[link asio.reference.basic_datagram_socket.basic_datagram_socket.overload7 basic_datagram_socket]``(
+      const executor_type & ex,
       const protocol_type & protocol,
       const native_handle_type & native_socket);
-  ``  [''''&raquo;''' [link asio.reference.basic_datagram_socket.basic_datagram_socket.overload4 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_datagram_socket.basic_datagram_socket.overload7 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_datagram_socket.basic_datagram_socket.overload8 basic_datagram_socket]``(
+      ExecutionContext & context,
+      const protocol_type & protocol,
+      const native_handle_type & native_socket,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_datagram_socket.basic_datagram_socket.overload8 more...]]``
 
 
 Move-construct a [link asio.reference.basic_datagram_socket `basic_datagram_socket`] from another. 
 
 
-  ``[link asio.reference.basic_datagram_socket.basic_datagram_socket.overload5 basic_datagram_socket]``(
+  ``[link asio.reference.basic_datagram_socket.basic_datagram_socket.overload9 basic_datagram_socket]``(
       basic_datagram_socket && other);
-  ``  [''''&raquo;''' [link asio.reference.basic_datagram_socket.basic_datagram_socket.overload5 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_datagram_socket.basic_datagram_socket.overload9 more...]]``
 
 
 Move-construct a [link asio.reference.basic_datagram_socket `basic_datagram_socket`] from a socket of another protocol type. 
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
-  ``[link asio.reference.basic_datagram_socket.basic_datagram_socket.overload6 basic_datagram_socket]``(
-      basic_datagram_socket< Protocol1 > && other,
-      typename enable_if< is_convertible< Protocol1, Protocol >::value >::type *  = 0);
-  ``  [''''&raquo;''' [link asio.reference.basic_datagram_socket.basic_datagram_socket.overload6 more...]]``
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  ``[link asio.reference.basic_datagram_socket.basic_datagram_socket.overload10 basic_datagram_socket]``(
+      basic_datagram_socket< Protocol1, Executor1 > && other,
+      typename enable_if< is_convertible< Protocol1, Protocol >::value &&is_convertible< Executor1, Executor >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_datagram_socket.basic_datagram_socket.overload10 more...]]``
 
 
-[section:overload1 basic_datagram_socket::basic_datagram_socket (1 of 6 overloads)]
+[section:overload1 basic_datagram_socket::basic_datagram_socket (1 of 10 overloads)]
 
 
 Construct a [link asio.reference.basic_datagram_socket `basic_datagram_socket`] without opening it. 
 
 
   basic_datagram_socket(
-      asio::io_context & io_context);
+      const executor_type & ex);
 
 
 This constructor creates a datagram socket without opening it. The `open()` function must be called before data can be sent or received on the socket.
@@ -5973,7 +7116,7 @@ This constructor creates a datagram socket without opening it. The `open()` func
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the datagram socket will use to dispatch handlers for any asynchronous operations performed on the socket. ]]
+[[ex][The I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket. ]]
 
 ]
 
@@ -5984,14 +7127,46 @@ This constructor creates a datagram socket without opening it. The `open()` func
 
 
 
-[section:overload2 basic_datagram_socket::basic_datagram_socket (2 of 6 overloads)]
+[section:overload2 basic_datagram_socket::basic_datagram_socket (2 of 10 overloads)]
+
+
+Construct a [link asio.reference.basic_datagram_socket `basic_datagram_socket`] without opening it. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_datagram_socket(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a datagram socket without opening it. The `open()` function must be called before data can be sent or received on the socket.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload3 basic_datagram_socket::basic_datagram_socket (3 of 10 overloads)]
 
 
 Construct and open a [link asio.reference.basic_datagram_socket `basic_datagram_socket`]. 
 
 
   basic_datagram_socket(
-      asio::io_context & io_context,
+      const executor_type & ex,
       const protocol_type & protocol);
 
 
@@ -6003,7 +7178,7 @@ This constructor creates and opens a datagram socket.
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the datagram socket will use to dispatch handlers for any asynchronous operations performed on the socket.]]
+[[ex][The I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
 
 [[protocol][An object specifying protocol parameters to be used.]]
 
@@ -6026,14 +7201,59 @@ This constructor creates and opens a datagram socket.
 
 
 
-[section:overload3 basic_datagram_socket::basic_datagram_socket (3 of 6 overloads)]
+[section:overload4 basic_datagram_socket::basic_datagram_socket (4 of 10 overloads)]
+
+
+Construct and open a [link asio.reference.basic_datagram_socket `basic_datagram_socket`]. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_datagram_socket(
+      ExecutionContext & context,
+      const protocol_type & protocol,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates and opens a datagram socket.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
+
+[[protocol][An object specifying protocol parameters to be used.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload5 basic_datagram_socket::basic_datagram_socket (5 of 10 overloads)]
 
 
 Construct a [link asio.reference.basic_datagram_socket `basic_datagram_socket`], opening it and binding it to the given local endpoint. 
 
 
   basic_datagram_socket(
-      asio::io_context & io_context,
+      const executor_type & ex,
       const endpoint_type & endpoint);
 
 
@@ -6045,7 +7265,7 @@ This constructor creates a datagram socket and automatically opens it bound to t
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the datagram socket will use to dispatch handlers for any asynchronous operations performed on the socket.]]
+[[ex][The I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
 
 [[endpoint][An endpoint on the local machine to which the datagram socket will be bound.]]
 
@@ -6068,14 +7288,59 @@ This constructor creates a datagram socket and automatically opens it bound to t
 
 
 
-[section:overload4 basic_datagram_socket::basic_datagram_socket (4 of 6 overloads)]
+[section:overload6 basic_datagram_socket::basic_datagram_socket (6 of 10 overloads)]
+
+
+Construct a [link asio.reference.basic_datagram_socket `basic_datagram_socket`], opening it and binding it to the given local endpoint. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_datagram_socket(
+      ExecutionContext & context,
+      const endpoint_type & endpoint,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a datagram socket and automatically opens it bound to the specified endpoint on the local machine. The protocol used is the protocol associated with the given endpoint.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
+
+[[endpoint][An endpoint on the local machine to which the datagram socket will be bound.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload7 basic_datagram_socket::basic_datagram_socket (7 of 10 overloads)]
 
 
 Construct a [link asio.reference.basic_datagram_socket `basic_datagram_socket`] on an existing native socket. 
 
 
   basic_datagram_socket(
-      asio::io_context & io_context,
+      const executor_type & ex,
       const protocol_type & protocol,
       const native_handle_type & native_socket);
 
@@ -6088,7 +7353,7 @@ This constructor creates a datagram socket object to hold an existing native soc
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the datagram socket will use to dispatch handlers for any asynchronous operations performed on the socket.]]
+[[ex][The I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
 
 [[protocol][An object specifying protocol parameters to be used.]]
 
@@ -6113,7 +7378,55 @@ This constructor creates a datagram socket object to hold an existing native soc
 
 
 
-[section:overload5 basic_datagram_socket::basic_datagram_socket (5 of 6 overloads)]
+[section:overload8 basic_datagram_socket::basic_datagram_socket (8 of 10 overloads)]
+
+
+Construct a [link asio.reference.basic_datagram_socket `basic_datagram_socket`] on an existing native socket. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_datagram_socket(
+      ExecutionContext & context,
+      const protocol_type & protocol,
+      const native_handle_type & native_socket,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a datagram socket object to hold an existing native socket.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
+
+[[protocol][An object specifying protocol parameters to be used.]]
+
+[[native_socket][The new underlying socket implementation.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload9 basic_datagram_socket::basic_datagram_socket (9 of 10 overloads)]
 
 
 Move-construct a [link asio.reference.basic_datagram_socket `basic_datagram_socket`] from another. 
@@ -6138,7 +7451,7 @@ This constructor moves a datagram socket from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_datagram_socket(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_datagram_socket(const executor_type&)` constructor. 
 
 
 
@@ -6147,17 +7460,18 @@ Following the move, the moved-from object is in the same state as if constructed
 
 
 
-[section:overload6 basic_datagram_socket::basic_datagram_socket (6 of 6 overloads)]
+[section:overload10 basic_datagram_socket::basic_datagram_socket (10 of 10 overloads)]
 
 
 Move-construct a [link asio.reference.basic_datagram_socket `basic_datagram_socket`] from a socket of another protocol type. 
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
   basic_datagram_socket(
-      basic_datagram_socket< Protocol1 > && other,
-      typename enable_if< is_convertible< Protocol1, Protocol >::value >::type *  = 0);
+      basic_datagram_socket< Protocol1, Executor1 > && other,
+      typename enable_if< is_convertible< Protocol1, Protocol >::value &&is_convertible< Executor1, Executor >::value >::type *  = 0);
 
 
 This constructor moves a datagram socket from one object to another.
@@ -6175,7 +7489,7 @@ This constructor moves a datagram socket from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_datagram_socket(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_datagram_socket(const executor_type&)` constructor. 
 
 
 
@@ -6241,7 +7555,7 @@ This function binds the socket to the specified endpoint on the local machine.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    socket.open(asio::ip::tcp::v4());
    socket.bind(asio::ip::tcp::endpoint(
          asio::ip::tcp::v4(), 12345));
@@ -6289,7 +7603,7 @@ This function binds the socket to the specified endpoint on the local machine.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    socket.open(asio::ip::tcp::v4());
    asio::error_code ec;
    socket.bind(asio::ip::tcp::endpoint(
@@ -6331,7 +7645,7 @@ Implements the SOL\_SOCKET/SO\_BROADCAST socket option.
   
 Setting the option: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::broadcast option(true);
    socket.set_option(option);
@@ -6342,7 +7656,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::broadcast option;
    socket.get_option(option);
@@ -6385,7 +7699,7 @@ Implements the FIONREAD IO control command.
   
 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::bytes_readable command(true);
    socket.io_control(command);
@@ -6603,7 +7917,7 @@ This function is used to close the socket. Any asynchronous send, receive or con
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::error_code ec;
    socket.close(ec);
@@ -6686,7 +8000,7 @@ The socket is automatically opened if it is not already open. If the connect fai
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    asio::ip::tcp::endpoint endpoint(
        asio::ip::address::from_string("1.2.3.4"), 12345);
    socket.connect(endpoint);
@@ -6736,7 +8050,7 @@ The socket is automatically opened if it is not already open. If the connect fai
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    asio::ip::tcp::endpoint endpoint(
        asio::ip::address::from_string("1.2.3.4"), 12345);
    asio::error_code ec;
@@ -6778,7 +8092,7 @@ Implements the SOL\_SOCKET/SO\_DEBUG socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::debug option(true);
    socket.set_option(option);
@@ -6789,7 +8103,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::debug option;
    socket.get_option(option);
@@ -6832,7 +8146,7 @@ Implements the SOL\_SOCKET/SO\_DONTROUTE socket option.
   
 Setting the option: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::do_not_route option(true);
    socket.set_option(option);
@@ -6843,7 +8157,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::do_not_route option;
    socket.get_option(option);
@@ -6886,7 +8200,7 @@ Implements a custom socket option that determines whether or not an accept opera
   
 Setting the option: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::enable_connection_aborted option(true);
    acceptor.set_option(option);
@@ -6897,7 +8211,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::enable_connection_aborted option;
    acceptor.get_option(option);
@@ -6943,73 +8257,13 @@ The endpoint type.
 
 [section:executor_type basic_datagram_socket::executor_type]
 
-
-['Inherited from basic_socket.]
-
 [indexterm2 asio.indexterm.basic_datagram_socket.executor_type..executor_type..basic_datagram_socket] 
 The type of the executor associated with the object. 
 
 
-  typedef io_context::executor_type executor_type;
+  typedef Executor executor_type;
 
 
-[heading Member Functions]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.context [*context]]]
-    [Obtain the underlying execution context. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.defer [*defer]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.dispatch [*dispatch]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_finished [*on_work_finished]]]
-    [Inform the io_context that some work is no longer outstanding. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_started [*on_work_started]]]
-    [Inform the io_context that it has some outstanding work to do. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.post [*post]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.running_in_this_thread [*running_in_this_thread]]]
-    [Determine whether the io_context is running in the current thread. ]
-  ]
-  
-]
-
-[heading Friends]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.operator_not__eq_ [*operator!=]]]
-    [Compare two executors for inequality. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.operator_eq__eq_ [*operator==]]]
-    [Compare two executors for equality. ]
-  ]
-  
-]
-
 
 [heading Requirements]
 
@@ -7035,58 +8289,6 @@ Get the executor associated with the object.
 
 
 
-[endsect]
-
-
-
-[section:get_io_context basic_datagram_socket::get_io_context]
-
-
-['Inherited from basic_socket.]
-
-[indexterm2 asio.indexterm.basic_datagram_socket.get_io_context..get_io_context..basic_datagram_socket] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_context();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
-[section:get_io_service basic_datagram_socket::get_io_service]
-
-
-['Inherited from basic_socket.]
-
-[indexterm2 asio.indexterm.basic_datagram_socket.get_io_service..get_io_service..basic_datagram_socket] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_service();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
 [endsect]
 
 
@@ -7153,7 +8355,7 @@ This function is used to get the current value of an option on the socket.
   
 Getting the value of the SOL\_SOCKET/SO\_KEEPALIVE option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::socket::keep_alive option;
    socket.get_option(option);
@@ -7205,7 +8407,7 @@ This function is used to get the current value of an option on the socket.
   
 Getting the value of the SOL\_SOCKET/SO\_KEEPALIVE option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::socket::keep_alive option;
    asio::error_code ec;
@@ -7227,6 +8429,21 @@ Getting the value of the SOL\_SOCKET/SO\_KEEPALIVE option:
 
 [endsect]
 
+
+[section:impl_ basic_datagram_socket::impl_]
+
+
+['Inherited from basic_socket.]
+
+[indexterm2 asio.indexterm.basic_datagram_socket.impl_..impl_..basic_datagram_socket] 
+
+  detail::io_object_impl< detail::reactive_socket_service< Protocol >, Executor > impl_;
+
+
+
+[endsect]
+
+
 [section:io_control basic_datagram_socket::io_control]
 
 [indexterm2 asio.indexterm.basic_datagram_socket.io_control..io_control..basic_datagram_socket] 
@@ -7290,7 +8507,7 @@ This function is used to execute an IO control command on the socket.
   
 Getting the number of bytes ready to read: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::socket::bytes_readable command;
    socket.io_control(command);
@@ -7342,7 +8559,7 @@ This function is used to execute an IO control command on the socket.
   
 Getting the number of bytes ready to read: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::socket::bytes_readable command;
    asio::error_code ec;
@@ -7402,7 +8619,7 @@ Implements the SOL\_SOCKET/SO\_KEEPALIVE socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::keep_alive option(true);
    socket.set_option(option);
@@ -7413,7 +8630,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::keep_alive option;
    socket.get_option(option);
@@ -7456,7 +8673,7 @@ Implements the SOL\_SOCKET/SO\_LINGER socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::linger option(true, 30);
    socket.set_option(option);
@@ -7467,7 +8684,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::linger option;
    socket.get_option(option);
@@ -7538,7 +8755,7 @@ An object that represents the local endpoint of the socket.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::endpoint endpoint = socket.local_endpoint();
 
@@ -7587,7 +8804,7 @@ An object that represents the local endpoint of the socket. Returns a default-co
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::error_code ec;
    asio::ip::tcp::endpoint endpoint = socket.local_endpoint(ec);
@@ -7687,13 +8904,20 @@ A const reference to the lowest layer in the stack of layers. Ownership is not t
 A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer. 
 
 
-  typedef basic_socket< Protocol > lowest_layer_type;
+  typedef basic_socket< Protocol, Executor > lowest_layer_type;
 
 
 [heading Types]
 [table
   [[Name][Description]]
 
+  [
+
+    [[link asio.reference.basic_socket__rebind_executor [*rebind_executor]]]
+    [Rebinds the socket type to another executor. ]
+  
+  ]
+
   [
 
     [[link asio.reference.basic_socket.broadcast [*broadcast]]]
@@ -7875,15 +9099,15 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
   [
     [[link asio.reference.basic_socket.basic_socket [*basic_socket]]]
     [Construct a basic_socket without opening it. 
-
+     [hr]
      Construct and open a basic_socket. 
-
+     [hr]
      Construct a basic_socket, opening it and binding it to the given local endpoint. 
-
+     [hr]
      Construct a basic_socket on an existing native socket. 
-
+     [hr]
      Move-construct a basic_socket from another. 
-
+     [hr]
      Move-construct a basic_socket from a socket of another protocol type. ]
   ]
   
@@ -7912,16 +9136,6 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_socket.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_socket.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_socket.get_option [*get_option]]]
     [Get an option from the socket. ]
@@ -7945,7 +9159,7 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
   [
     [[link asio.reference.basic_socket.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
@@ -7957,14 +9171,14 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
   [
     [[link asio.reference.basic_socket.native_non_blocking [*native_non_blocking]]]
     [Gets the non-blocking mode of the native socket implementation. 
-
+     [hr]
      Sets the non-blocking mode of the native socket implementation. ]
   ]
   
   [
     [[link asio.reference.basic_socket.non_blocking [*non_blocking]]]
     [Gets the non-blocking mode of the socket. 
-
+     [hr]
      Sets the non-blocking mode of the socket. ]
   ]
   
@@ -7976,7 +9190,7 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
   [
     [[link asio.reference.basic_socket.operator_eq_ [*operator=]]]
     [Move-assign a basic_socket from another. 
-
+     [hr]
      Move-assign a basic_socket from a socket of another protocol type. ]
   ]
   
@@ -8054,6 +9268,17 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
 
 ]
 
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_socket.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
 The [link asio.reference.basic_socket `basic_socket`] class template provides functionality that is common to both stream-oriented and datagram-oriented sockets.
 
 
@@ -8785,7 +10010,7 @@ This function opens the socket so that it will use the specified protocol.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    socket.open(asio::ip::tcp::v4());
 
 
@@ -8831,7 +10056,7 @@ This function opens the socket so that it will use the specified protocol.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    asio::error_code ec;
    socket.open(asio::ip::tcp::v4(), ec);
    if (ec)
@@ -8865,9 +10090,10 @@ Move-assign a [link asio.reference.basic_datagram_socket `basic_datagram_socket`
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
-  enable_if< is_convertible< Protocol1, Protocol >::value, basic_datagram_socket >::type & ``[link asio.reference.basic_datagram_socket.operator_eq_.overload2 operator=]``(
-      basic_datagram_socket< Protocol1 > && other);
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  enable_if< is_convertible< Protocol1, Protocol >::value &&is_convertible< Executor1, Executor >::value, basic_datagram_socket & >::type ``[link asio.reference.basic_datagram_socket.operator_eq_.overload2 operator=]``(
+      basic_datagram_socket< Protocol1, Executor1 > && other);
   ``  [''''&raquo;''' [link asio.reference.basic_datagram_socket.operator_eq_.overload2 more...]]``
 
 
@@ -8896,7 +10122,7 @@ This assignment operator moves a datagram socket from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_datagram_socket(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_datagram_socket(const executor_type&)` constructor. 
 
 
 
@@ -8912,9 +10138,10 @@ Move-assign a [link asio.reference.basic_datagram_socket `basic_datagram_socket`
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
-  enable_if< is_convertible< Protocol1, Protocol >::value, basic_datagram_socket >::type & operator=(
-      basic_datagram_socket< Protocol1 > && other);
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  enable_if< is_convertible< Protocol1, Protocol >::value &&is_convertible< Executor1, Executor >::value, basic_datagram_socket & >::type operator=(
+      basic_datagram_socket< Protocol1, Executor1 > && other);
 
 
 This assignment operator moves a datagram socket from one object to another.
@@ -8932,7 +10159,7 @@ This assignment operator moves a datagram socket from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_datagram_socket(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_datagram_socket(const executor_type&)` constructor. 
 
 
 
@@ -8963,7 +10190,7 @@ Implements the SOL\_SOCKET/SO\_OOBINLINE socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::out_of_band_inline option(true);
    socket.set_option(option);
@@ -8974,7 +10201,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::out_of_band_inline option;
    socket.get_option(option);
@@ -9229,7 +10456,7 @@ Implements the SOL\_SOCKET/SO\_RCVBUF socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_buffer_size option(8192);
    socket.set_option(option);
@@ -9240,7 +10467,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_buffer_size option;
    socket.get_option(option);
@@ -9473,7 +10700,7 @@ Implements the SOL\_SOCKET/SO\_RCVLOWAT socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_low_watermark option(1024);
    socket.set_option(option);
@@ -9484,7 +10711,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_low_watermark option;
    socket.get_option(option);
@@ -9642,7 +10869,7 @@ An object that represents the remote endpoint of the socket.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::endpoint endpoint = socket.remote_endpoint();
 
@@ -9691,7 +10918,7 @@ An object that represents the remote endpoint of the socket. Returns a default-c
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::error_code ec;
    asio::ip::tcp::endpoint endpoint = socket.remote_endpoint(ec);
@@ -9732,7 +10959,7 @@ Implements the SOL\_SOCKET/SO\_REUSEADDR socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::reuse_address option(true);
    acceptor.set_option(option);
@@ -9743,7 +10970,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::reuse_address option;
    acceptor.get_option(option);
@@ -9977,7 +11204,7 @@ Implements the SOL\_SOCKET/SO\_SNDBUF socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_buffer_size option(8192);
    socket.set_option(option);
@@ -9988,7 +11215,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_buffer_size option;
    socket.get_option(option);
@@ -10031,7 +11258,7 @@ Implements the SOL\_SOCKET/SO\_SNDLOWAT socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_low_watermark option(1024);
    socket.set_option(option);
@@ -10042,7 +11269,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_low_watermark option;
    socket.get_option(option);
@@ -10317,7 +11544,7 @@ This function is used to set an option on the socket.
   
 Setting the IPPROTO\_TCP/TCP\_NODELAY option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::no_delay option(true);
    socket.set_option(option);
@@ -10368,7 +11595,7 @@ This function is used to set an option on the socket.
   
 Setting the IPPROTO\_TCP/TCP\_NODELAY option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::no_delay option(true);
    asio::error_code ec;
@@ -10445,7 +11672,7 @@ This function is used to disable send operations, receive operations, or both.
   
 Shutting down the send side of the socket: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    socket.shutdown(asio::ip::tcp::socket::shutdown_send);
 
@@ -10492,7 +11719,7 @@ This function is used to disable send operations, receive operations, or both.
   
 Shutting down the send side of the socket: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::error_code ec;
    socket.shutdown(asio::ip::tcp::socket::shutdown_send, ec);
@@ -10599,7 +11826,7 @@ This function is used to perform a blocking wait for a socket to enter a ready t
   
 Waiting for a socket to become readable. 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    socket.wait(asio::ip::tcp::socket::wait_read);
 
@@ -10646,7 +11873,7 @@ This function is used to perform a blocking wait for a socket to enter a ready t
   
 Waiting for a socket to become readable. 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::error_code ec;
    socket.wait(asio::ip::tcp::socket::wait_read, ec);
@@ -10722,6 +11949,477 @@ This function destroys the socket, cancelling any outstanding asynchronous opera
 
 
 
+[endsect]
+
+[section:basic_datagram_socket__rebind_executor basic_datagram_socket::rebind_executor]
+
+
+Rebinds the socket type to another executor. 
+
+
+  template<
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  struct rebind_executor
+
+
+[heading Types]
+[table
+  [[Name][Description]]
+
+  [
+
+    [[link asio.reference.basic_datagram_socket__rebind_executor.other [*other]]]
+    [The socket type when rebound to the specified executor. ]
+  
+  ]
+
+]
+
+[heading Requirements]
+
+['Header: ][^asio/basic_datagram_socket.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[section:other basic_datagram_socket::rebind_executor::other]
+
+[indexterm2 asio.indexterm.basic_datagram_socket__rebind_executor.other..other..basic_datagram_socket::rebind_executor] 
+The socket type when rebound to the specified executor. 
+
+
+  typedef basic_datagram_socket< Protocol, Executor1 > other;
+
+
+[heading Types]
+[table
+  [[Name][Description]]
+
+  [
+
+    [[link asio.reference.basic_datagram_socket__rebind_executor [*rebind_executor]]]
+    [Rebinds the socket type to another executor. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_datagram_socket.broadcast [*broadcast]]]
+    [Socket option to permit sending of broadcast messages. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_datagram_socket.bytes_readable [*bytes_readable]]]
+    [IO control command to get the amount of data that can be read without blocking. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_datagram_socket.debug [*debug]]]
+    [Socket option to enable socket-level debugging. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_datagram_socket.do_not_route [*do_not_route]]]
+    [Socket option to prevent routing, use local interfaces only. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_datagram_socket.enable_connection_aborted [*enable_connection_aborted]]]
+    [Socket option to report aborted connections on accept. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_datagram_socket.endpoint_type [*endpoint_type]]]
+    [The endpoint type. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_datagram_socket.executor_type [*executor_type]]]
+    [The type of the executor associated with the object. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_datagram_socket.keep_alive [*keep_alive]]]
+    [Socket option to send keep-alives. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_datagram_socket.linger [*linger]]]
+    [Socket option to specify whether the socket lingers on close if unsent data is present. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_datagram_socket.lowest_layer_type [*lowest_layer_type]]]
+    [A basic_socket is always the lowest layer. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_datagram_socket.message_flags [*message_flags]]]
+    [Bitmask type for flags that can be passed to send and receive operations. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_datagram_socket.native_handle_type [*native_handle_type]]]
+    [The native representation of a socket. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_datagram_socket.out_of_band_inline [*out_of_band_inline]]]
+    [Socket option for putting received out-of-band data inline. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_datagram_socket.protocol_type [*protocol_type]]]
+    [The protocol type. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_datagram_socket.receive_buffer_size [*receive_buffer_size]]]
+    [Socket option for the receive buffer size of a socket. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_datagram_socket.receive_low_watermark [*receive_low_watermark]]]
+    [Socket option for the receive low watermark. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_datagram_socket.reuse_address [*reuse_address]]]
+    [Socket option to allow the socket to be bound to an address that is already in use. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_datagram_socket.send_buffer_size [*send_buffer_size]]]
+    [Socket option for the send buffer size of a socket. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_datagram_socket.send_low_watermark [*send_low_watermark]]]
+    [Socket option for the send low watermark. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_datagram_socket.shutdown_type [*shutdown_type]]]
+    [Different ways a socket may be shutdown. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_datagram_socket.wait_type [*wait_type]]]
+    [Wait types. ]
+  
+  ]
+
+]
+
+[heading Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_datagram_socket.assign [*assign]]]
+    [Assign an existing native socket to the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.async_connect [*async_connect]]]
+    [Start an asynchronous connect. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.async_receive [*async_receive]]]
+    [Start an asynchronous receive on a connected socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.async_receive_from [*async_receive_from]]]
+    [Start an asynchronous receive. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.async_send [*async_send]]]
+    [Start an asynchronous send on a connected socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.async_send_to [*async_send_to]]]
+    [Start an asynchronous send. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.async_wait [*async_wait]]]
+    [Asynchronously wait for the socket to become ready to read, ready to write, or to have pending error conditions. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.at_mark [*at_mark]]]
+    [Determine whether the socket is at the out-of-band data mark. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.available [*available]]]
+    [Determine the number of bytes available for reading. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.basic_datagram_socket [*basic_datagram_socket]]]
+    [Construct a basic_datagram_socket without opening it. 
+     [hr]
+     Construct and open a basic_datagram_socket. 
+     [hr]
+     Construct a basic_datagram_socket, opening it and binding it to the given local endpoint. 
+     [hr]
+     Construct a basic_datagram_socket on an existing native socket. 
+     [hr]
+     Move-construct a basic_datagram_socket from another. 
+     [hr]
+     Move-construct a basic_datagram_socket from a socket of another protocol type. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.bind [*bind]]]
+    [Bind the socket to the given local endpoint. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.cancel [*cancel]]]
+    [Cancel all asynchronous operations associated with the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.close [*close]]]
+    [Close the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.connect [*connect]]]
+    [Connect the socket to the specified endpoint. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.get_executor [*get_executor]]]
+    [Get the executor associated with the object. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.get_option [*get_option]]]
+    [Get an option from the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.io_control [*io_control]]]
+    [Perform an IO control command on the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.is_open [*is_open]]]
+    [Determine whether the socket is open. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.local_endpoint [*local_endpoint]]]
+    [Get the local endpoint of the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.lowest_layer [*lowest_layer]]]
+    [Get a reference to the lowest layer. 
+     [hr]
+     Get a const reference to the lowest layer. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.native_handle [*native_handle]]]
+    [Get the native socket representation. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.native_non_blocking [*native_non_blocking]]]
+    [Gets the non-blocking mode of the native socket implementation. 
+     [hr]
+     Sets the non-blocking mode of the native socket implementation. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.non_blocking [*non_blocking]]]
+    [Gets the non-blocking mode of the socket. 
+     [hr]
+     Sets the non-blocking mode of the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.open [*open]]]
+    [Open the socket using the specified protocol. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.operator_eq_ [*operator=]]]
+    [Move-assign a basic_datagram_socket from another. 
+     [hr]
+     Move-assign a basic_datagram_socket from a socket of another protocol type. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.receive [*receive]]]
+    [Receive some data on a connected socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.receive_from [*receive_from]]]
+    [Receive a datagram with the endpoint of the sender. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.release [*release]]]
+    [Release ownership of the underlying native socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.remote_endpoint [*remote_endpoint]]]
+    [Get the remote endpoint of the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.send [*send]]]
+    [Send some data on a connected socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.send_to [*send_to]]]
+    [Send a datagram to the specified endpoint. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.set_option [*set_option]]]
+    [Set an option on the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.shutdown [*shutdown]]]
+    [Disable sends or receives on the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket.wait [*wait]]]
+    [Wait for the socket to become ready to read, ready to write, or to have pending error conditions. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_datagram_socket._basic_datagram_socket [*~basic_datagram_socket]]]
+    [Destroys the socket. ]
+  ]
+  
+]
+
+[heading Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_datagram_socket.max_connections [*max_connections]]]
+    [(Deprecated: Use max_listen_connections.) The maximum length of the queue of pending incoming connections. ]
+  ]
+
+  [
+    [[link asio.reference.basic_datagram_socket.max_listen_connections [*max_listen_connections]]]
+    [The maximum length of the queue of pending incoming connections. ]
+  ]
+
+  [
+    [[link asio.reference.basic_datagram_socket.message_do_not_route [*message_do_not_route]]]
+    [Specify that the data should not be subject to routing. ]
+  ]
+
+  [
+    [[link asio.reference.basic_datagram_socket.message_end_of_record [*message_end_of_record]]]
+    [Specifies that the data marks the end of a record. ]
+  ]
+
+  [
+    [[link asio.reference.basic_datagram_socket.message_out_of_band [*message_out_of_band]]]
+    [Process out-of-band data. ]
+  ]
+
+  [
+    [[link asio.reference.basic_datagram_socket.message_peek [*message_peek]]]
+    [Peek at incoming data without removing it from the input queue. ]
+  ]
+
+]
+
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_datagram_socket.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
+The [link asio.reference.basic_datagram_socket `basic_datagram_socket`] class template provides asynchronous and blocking datagram-oriented socket functionality.
+
+
+[heading Thread Safety]
+  
+['Distinct] ['objects:] Safe.
+
+['Shared] ['objects:] Unsafe. 
+
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/basic_datagram_socket.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+
 [endsect]
 
 [section:basic_deadline_timer basic_deadline_timer]
@@ -10732,7 +12430,8 @@ Provides waitable timer functionality.
 
   template<
       typename Time,
-      typename ``[link asio.reference.TimeTraits TimeTraits]`` = asio::time_traits<Time>>
+      typename ``[link asio.reference.TimeTraits TimeTraits]`` = asio::time_traits<Time>,
+      typename ``[link asio.reference.Executor1 Executor]`` = executor>
   class basic_deadline_timer
 
 
@@ -10782,11 +12481,11 @@ Provides waitable timer functionality.
   [
     [[link asio.reference.basic_deadline_timer.basic_deadline_timer [*basic_deadline_timer]]]
     [Constructor. 
-
+     [hr]
      Constructor to set a particular expiry time as an absolute time. 
-
+     [hr]
      Constructor to set a particular expiry time relative to now. 
-
+     [hr]
      Move-construct a basic_deadline_timer from another. ]
   ]
   
@@ -10803,14 +12502,14 @@ Provides waitable timer functionality.
   [
     [[link asio.reference.basic_deadline_timer.expires_at [*expires_at]]]
     [Get the timer's expiry time as an absolute time. 
-
+     [hr]
      Set the timer's expiry time as an absolute time. ]
   ]
   
   [
     [[link asio.reference.basic_deadline_timer.expires_from_now [*expires_from_now]]]
     [Get the timer's expiry time relative to now. 
-
+     [hr]
      Set the timer's expiry time relative to now. ]
   ]
   
@@ -10819,16 +12518,6 @@ Provides waitable timer functionality.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_deadline_timer.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_deadline_timer.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_deadline_timer.operator_eq_ [*operator=]]]
     [Move-assign a basic_deadline_timer from another. ]
@@ -10865,7 +12554,7 @@ Most applications will use the [link asio.reference.deadline_timer `deadline_tim
 Performing a blocking wait: 
 
    // Construct a timer without setting an expiry time.
-   asio::deadline_timer timer(io_context);
+   asio::deadline_timer timer(my_context);
 
    // Set an expiry time relative to now.
    timer.expires_from_now(boost::posix_time::seconds(5));
@@ -10890,7 +12579,7 @@ Performing an asynchronous wait:
    ...
 
    // Construct a timer with an absolute expiry time.
-   asio::deadline_timer timer(io_context,
+   asio::deadline_timer timer(my_context,
        boost::posix_time::time_from_string("2005-12-07 23:59:59.000"));
 
    // Start an asynchronous wait.
@@ -10981,7 +12670,7 @@ For each call to `async_wait()`, the supplied handler will be called exactly onc
      const asio::error_code& error // Result of operation.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`. ]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`]. ]]
 
 ]
 
@@ -10998,44 +12687,67 @@ Constructor.
 
 
   explicit ``[link asio.reference.basic_deadline_timer.basic_deadline_timer.overload1 basic_deadline_timer]``(
-      asio::io_context & io_context);
+      const executor_type & ex);
   ``  [''''&raquo;''' [link asio.reference.basic_deadline_timer.basic_deadline_timer.overload1 more...]]``
 
+  template<
+      typename ExecutionContext>
+  explicit ``[link asio.reference.basic_deadline_timer.basic_deadline_timer.overload2 basic_deadline_timer]``(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_deadline_timer.basic_deadline_timer.overload2 more...]]``
+
 
 Constructor to set a particular expiry time as an absolute time. 
 
 
-  ``[link asio.reference.basic_deadline_timer.basic_deadline_timer.overload2 basic_deadline_timer]``(
-      asio::io_context & io_context,
+  ``[link asio.reference.basic_deadline_timer.basic_deadline_timer.overload3 basic_deadline_timer]``(
+      const executor_type & ex,
       const time_type & expiry_time);
-  ``  [''''&raquo;''' [link asio.reference.basic_deadline_timer.basic_deadline_timer.overload2 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_deadline_timer.basic_deadline_timer.overload3 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_deadline_timer.basic_deadline_timer.overload4 basic_deadline_timer]``(
+      ExecutionContext & context,
+      const time_type & expiry_time,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_deadline_timer.basic_deadline_timer.overload4 more...]]``
 
 
 Constructor to set a particular expiry time relative to now. 
 
 
-  ``[link asio.reference.basic_deadline_timer.basic_deadline_timer.overload3 basic_deadline_timer]``(
-      asio::io_context & io_context,
+  ``[link asio.reference.basic_deadline_timer.basic_deadline_timer.overload5 basic_deadline_timer]``(
+      const executor_type & ex,
       const duration_type & expiry_time);
-  ``  [''''&raquo;''' [link asio.reference.basic_deadline_timer.basic_deadline_timer.overload3 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_deadline_timer.basic_deadline_timer.overload5 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_deadline_timer.basic_deadline_timer.overload6 basic_deadline_timer]``(
+      ExecutionContext & context,
+      const duration_type & expiry_time,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_deadline_timer.basic_deadline_timer.overload6 more...]]``
 
 
 Move-construct a [link asio.reference.basic_deadline_timer `basic_deadline_timer`] from another. 
 
 
-  ``[link asio.reference.basic_deadline_timer.basic_deadline_timer.overload4 basic_deadline_timer]``(
+  ``[link asio.reference.basic_deadline_timer.basic_deadline_timer.overload7 basic_deadline_timer]``(
       basic_deadline_timer && other);
-  ``  [''''&raquo;''' [link asio.reference.basic_deadline_timer.basic_deadline_timer.overload4 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_deadline_timer.basic_deadline_timer.overload7 more...]]``
 
 
-[section:overload1 basic_deadline_timer::basic_deadline_timer (1 of 4 overloads)]
+[section:overload1 basic_deadline_timer::basic_deadline_timer (1 of 7 overloads)]
 
 
 Constructor. 
 
 
   basic_deadline_timer(
-      asio::io_context & io_context);
+      const executor_type & ex);
 
 
 This constructor creates a timer without setting an expiry time. The `expires_at()` or `expires_from_now()` functions must be called to set an expiry time before the timer can be waited on.
@@ -11046,7 +12758,7 @@ This constructor creates a timer without setting an expiry time. The `expires_at
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the timer will use to dispatch handlers for any asynchronous operations performed on the timer. ]]
+[[ex][The I/O executor that the timer will use, by default, to dispatch handlers for any asynchronous operations performed on the timer. ]]
 
 ]
 
@@ -11057,14 +12769,46 @@ This constructor creates a timer without setting an expiry time. The `expires_at
 
 
 
-[section:overload2 basic_deadline_timer::basic_deadline_timer (2 of 4 overloads)]
+[section:overload2 basic_deadline_timer::basic_deadline_timer (2 of 7 overloads)]
+
+
+Constructor. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_deadline_timer(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a timer without setting an expiry time. The `expires_at()` or `expires_from_now()` functions must be called to set an expiry time before the timer can be waited on.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the timer will use, by default, to dispatch handlers for any asynchronous operations performed on the timer. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload3 basic_deadline_timer::basic_deadline_timer (3 of 7 overloads)]
 
 
 Constructor to set a particular expiry time as an absolute time. 
 
 
   basic_deadline_timer(
-      asio::io_context & io_context,
+      const executor_type & ex,
       const time_type & expiry_time);
 
 
@@ -11076,7 +12820,7 @@ This constructor creates a timer and sets the expiry time.
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the timer will use to dispatch handlers for any asynchronous operations performed on the timer.]]
+[[ex][The I/O executor that the timer will use, by default, to dispatch handlers for any asynchronous operations performed on the timer.]]
 
 [[expiry_time][The expiry time to be used for the timer, expressed as an absolute time. ]]
 
@@ -11089,14 +12833,49 @@ This constructor creates a timer and sets the expiry time.
 
 
 
-[section:overload3 basic_deadline_timer::basic_deadline_timer (3 of 4 overloads)]
+[section:overload4 basic_deadline_timer::basic_deadline_timer (4 of 7 overloads)]
+
+
+Constructor to set a particular expiry time as an absolute time. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_deadline_timer(
+      ExecutionContext & context,
+      const time_type & expiry_time,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a timer and sets the expiry time.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the timer will use, by default, to dispatch handlers for any asynchronous operations performed on the timer.]]
+
+[[expiry_time][The expiry time to be used for the timer, expressed as an absolute time. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload5 basic_deadline_timer::basic_deadline_timer (5 of 7 overloads)]
 
 
 Constructor to set a particular expiry time relative to now. 
 
 
   basic_deadline_timer(
-      asio::io_context & io_context,
+      const executor_type & ex,
       const duration_type & expiry_time);
 
 
@@ -11108,7 +12887,7 @@ This constructor creates a timer and sets the expiry time.
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the timer will use to dispatch handlers for any asynchronous operations performed on the timer.]]
+[[ex][The I/O executor that the timer will use, by default, to dispatch handlers for any asynchronous operations performed on the timer.]]
 
 [[expiry_time][The expiry time to be used for the timer, relative to now. ]]
 
@@ -11121,7 +12900,42 @@ This constructor creates a timer and sets the expiry time.
 
 
 
-[section:overload4 basic_deadline_timer::basic_deadline_timer (4 of 4 overloads)]
+[section:overload6 basic_deadline_timer::basic_deadline_timer (6 of 7 overloads)]
+
+
+Constructor to set a particular expiry time relative to now. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_deadline_timer(
+      ExecutionContext & context,
+      const duration_type & expiry_time,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a timer and sets the expiry time.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the timer will use, by default, to dispatch handlers for any asynchronous operations performed on the timer.]]
+
+[[expiry_time][The expiry time to be used for the timer, relative to now. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload7 basic_deadline_timer::basic_deadline_timer (7 of 7 overloads)]
 
 
 Move-construct a [link asio.reference.basic_deadline_timer `basic_deadline_timer`] from another. 
@@ -11146,7 +12960,7 @@ This constructor moves a timer from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_deadline_timer(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_deadline_timer(const executor_type&)` constructor. 
 
 
 
@@ -11400,66 +13214,9 @@ The duration type.
 The type of the executor associated with the object. 
 
 
-  typedef io_context::executor_type executor_type;
+  typedef Executor executor_type;
 
 
-[heading Member Functions]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.context [*context]]]
-    [Obtain the underlying execution context. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.defer [*defer]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.dispatch [*dispatch]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_finished [*on_work_finished]]]
-    [Inform the io_context that some work is no longer outstanding. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_started [*on_work_started]]]
-    [Inform the io_context that it has some outstanding work to do. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.post [*post]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.running_in_this_thread [*running_in_this_thread]]]
-    [Determine whether the io_context is running in the current thread. ]
-  ]
-  
-]
-
-[heading Friends]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.operator_not__eq_ [*operator!=]]]
-    [Compare two executors for inequality. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.operator_eq__eq_ [*operator==]]]
-    [Compare two executors for equality. ]
-  ]
-  
-]
-
 
 [heading Requirements]
 
@@ -11768,52 +13525,6 @@ Get the executor associated with the object.
 
 
 
-[endsect]
-
-
-
-[section:get_io_context basic_deadline_timer::get_io_context]
-
-[indexterm2 asio.indexterm.basic_deadline_timer.get_io_context..get_io_context..basic_deadline_timer] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_context();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
-[section:get_io_service basic_deadline_timer::get_io_service]
-
-[indexterm2 asio.indexterm.basic_deadline_timer.get_io_service..get_io_service..basic_deadline_timer] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_service();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
 [endsect]
 
 
@@ -11843,7 +13554,7 @@ This assignment operator moves a timer from one object to another. Cancels any o
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_deadline_timer(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_deadline_timer(const executor_type&)` constructor. 
 
 
 
@@ -12050,9 +13761,9 @@ Base class for all I/O objects.
   [
     [[link asio.reference.basic_io_object.basic_io_object [*basic_io_object]]]
     [Construct a basic_io_object. 
-
+     [hr]
      Move-construct a basic_io_object. 
-
+     [hr]
      Perform a converting move-construction of a basic_io_object. ]
   ]
   
@@ -12517,15 +14228,23 @@ Provides raw-oriented socket functionality.
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol]``>
+      typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``>
   class basic_raw_socket :
-    public basic_socket< Protocol >
+    public basic_socket< Protocol, Executor >
 
 
 [heading Types]
 [table
   [[Name][Description]]
 
+  [
+
+    [[link asio.reference.basic_raw_socket__rebind_executor [*rebind_executor]]]
+    [Rebinds the socket type to another executor. ]
+  
+  ]
+
   [
 
     [[link asio.reference.basic_raw_socket.broadcast [*broadcast]]]
@@ -12727,15 +14446,15 @@ Provides raw-oriented socket functionality.
   [
     [[link asio.reference.basic_raw_socket.basic_raw_socket [*basic_raw_socket]]]
     [Construct a basic_raw_socket without opening it. 
-
+     [hr]
      Construct and open a basic_raw_socket. 
-
+     [hr]
      Construct a basic_raw_socket, opening it and binding it to the given local endpoint. 
-
+     [hr]
      Construct a basic_raw_socket on an existing native socket. 
-
+     [hr]
      Move-construct a basic_raw_socket from another. 
-
+     [hr]
      Move-construct a basic_raw_socket from a socket of another protocol type. ]
   ]
   
@@ -12764,16 +14483,6 @@ Provides raw-oriented socket functionality.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_raw_socket.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_raw_socket.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_raw_socket.get_option [*get_option]]]
     [Get an option from the socket. ]
@@ -12797,7 +14506,7 @@ Provides raw-oriented socket functionality.
   [
     [[link asio.reference.basic_raw_socket.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
@@ -12809,14 +14518,14 @@ Provides raw-oriented socket functionality.
   [
     [[link asio.reference.basic_raw_socket.native_non_blocking [*native_non_blocking]]]
     [Gets the non-blocking mode of the native socket implementation. 
-
+     [hr]
      Sets the non-blocking mode of the native socket implementation. ]
   ]
   
   [
     [[link asio.reference.basic_raw_socket.non_blocking [*non_blocking]]]
     [Gets the non-blocking mode of the socket. 
-
+     [hr]
      Sets the non-blocking mode of the socket. ]
   ]
   
@@ -12828,7 +14537,7 @@ Provides raw-oriented socket functionality.
   [
     [[link asio.reference.basic_raw_socket.operator_eq_ [*operator=]]]
     [Move-assign a basic_raw_socket from another. 
-
+     [hr]
      Move-assign a basic_raw_socket from a socket of another protocol type. ]
   ]
   
@@ -12920,6 +14629,17 @@ Provides raw-oriented socket functionality.
 
 ]
 
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_raw_socket.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
 The [link asio.reference.basic_raw_socket `basic_raw_socket`] class template provides asynchronous and blocking raw-oriented socket functionality.
 
 
@@ -13030,7 +14750,7 @@ The socket is automatically opened if it is not already open. If the connect fai
      const asio::error_code& error // Result of operation
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -13049,7 +14769,7 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
    ...
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    asio::ip::tcp::endpoint endpoint(
        asio::ip::address::from_string("1.2.3.4"), 12345);
    socket.async_connect(endpoint, connect_handler);
@@ -13118,7 +14838,7 @@ This function is used to asynchronously receive data from the raw socket. The fu
      std::size_t bytes_transferred           // Number of bytes received.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -13178,7 +14898,7 @@ This function is used to asynchronously receive data from the raw socket. The fu
      std::size_t bytes_transferred           // Number of bytes received.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -13255,7 +14975,7 @@ This function is used to asynchronously receive raw data. The function call alwa
      std::size_t bytes_transferred           // Number of bytes received.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -13314,7 +15034,7 @@ This function is used to asynchronously receive raw data. The function call alwa
      std::size_t bytes_transferred           // Number of bytes received.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`. ]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`]. ]]
 
 ]
 
@@ -13381,7 +15101,7 @@ This function is used to send data on the raw socket. The function call will blo
      std::size_t bytes_transferred           // Number of bytes sent.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -13441,7 +15161,7 @@ This function is used to send data on the raw socket. The function call will blo
      std::size_t bytes_transferred           // Number of bytes sent.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -13518,7 +15238,7 @@ This function is used to asynchronously send raw data to the specified remote en
      std::size_t bytes_transferred           // Number of bytes sent.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -13579,7 +15299,7 @@ This function is used to asynchronously send raw data to the specified remote en
      std::size_t bytes_transferred           // Number of bytes sent.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`. ]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`]. ]]
 
 ]
 
@@ -13624,7 +15344,7 @@ This function is used to perform an asynchronous wait for a socket to enter a re
      const asio::error_code& error // Result of operation
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -13643,7 +15363,7 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
    ...
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    socket.async_wait(asio::ip::tcp::socket::wait_read, wait_handler);
 
@@ -13839,65 +15559,98 @@ Construct a [link asio.reference.basic_raw_socket `basic_raw_socket`] without op
 
 
   explicit ``[link asio.reference.basic_raw_socket.basic_raw_socket.overload1 basic_raw_socket]``(
-      asio::io_context & io_context);
+      const executor_type & ex);
   ``  [''''&raquo;''' [link asio.reference.basic_raw_socket.basic_raw_socket.overload1 more...]]``
 
+  template<
+      typename ExecutionContext>
+  explicit ``[link asio.reference.basic_raw_socket.basic_raw_socket.overload2 basic_raw_socket]``(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_raw_socket.basic_raw_socket.overload2 more...]]``
+
 
 Construct and open a [link asio.reference.basic_raw_socket `basic_raw_socket`]. 
 
 
-  ``[link asio.reference.basic_raw_socket.basic_raw_socket.overload2 basic_raw_socket]``(
-      asio::io_context & io_context,
+  ``[link asio.reference.basic_raw_socket.basic_raw_socket.overload3 basic_raw_socket]``(
+      const executor_type & ex,
       const protocol_type & protocol);
-  ``  [''''&raquo;''' [link asio.reference.basic_raw_socket.basic_raw_socket.overload2 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_raw_socket.basic_raw_socket.overload3 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_raw_socket.basic_raw_socket.overload4 basic_raw_socket]``(
+      ExecutionContext & context,
+      const protocol_type & protocol,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_raw_socket.basic_raw_socket.overload4 more...]]``
 
 
 Construct a [link asio.reference.basic_raw_socket `basic_raw_socket`], opening it and binding it to the given local endpoint. 
 
 
-  ``[link asio.reference.basic_raw_socket.basic_raw_socket.overload3 basic_raw_socket]``(
-      asio::io_context & io_context,
+  ``[link asio.reference.basic_raw_socket.basic_raw_socket.overload5 basic_raw_socket]``(
+      const executor_type & ex,
       const endpoint_type & endpoint);
-  ``  [''''&raquo;''' [link asio.reference.basic_raw_socket.basic_raw_socket.overload3 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_raw_socket.basic_raw_socket.overload5 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_raw_socket.basic_raw_socket.overload6 basic_raw_socket]``(
+      ExecutionContext & context,
+      const endpoint_type & endpoint,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_raw_socket.basic_raw_socket.overload6 more...]]``
 
 
 Construct a [link asio.reference.basic_raw_socket `basic_raw_socket`] on an existing native socket. 
 
 
-  ``[link asio.reference.basic_raw_socket.basic_raw_socket.overload4 basic_raw_socket]``(
-      asio::io_context & io_context,
+  ``[link asio.reference.basic_raw_socket.basic_raw_socket.overload7 basic_raw_socket]``(
+      const executor_type & ex,
       const protocol_type & protocol,
       const native_handle_type & native_socket);
-  ``  [''''&raquo;''' [link asio.reference.basic_raw_socket.basic_raw_socket.overload4 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_raw_socket.basic_raw_socket.overload7 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_raw_socket.basic_raw_socket.overload8 basic_raw_socket]``(
+      ExecutionContext & context,
+      const protocol_type & protocol,
+      const native_handle_type & native_socket,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_raw_socket.basic_raw_socket.overload8 more...]]``
 
 
 Move-construct a [link asio.reference.basic_raw_socket `basic_raw_socket`] from another. 
 
 
-  ``[link asio.reference.basic_raw_socket.basic_raw_socket.overload5 basic_raw_socket]``(
+  ``[link asio.reference.basic_raw_socket.basic_raw_socket.overload9 basic_raw_socket]``(
       basic_raw_socket && other);
-  ``  [''''&raquo;''' [link asio.reference.basic_raw_socket.basic_raw_socket.overload5 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_raw_socket.basic_raw_socket.overload9 more...]]``
 
 
 Move-construct a [link asio.reference.basic_raw_socket `basic_raw_socket`] from a socket of another protocol type. 
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
-  ``[link asio.reference.basic_raw_socket.basic_raw_socket.overload6 basic_raw_socket]``(
-      basic_raw_socket< Protocol1 > && other,
-      typename enable_if< is_convertible< Protocol1, Protocol >::value >::type *  = 0);
-  ``  [''''&raquo;''' [link asio.reference.basic_raw_socket.basic_raw_socket.overload6 more...]]``
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  ``[link asio.reference.basic_raw_socket.basic_raw_socket.overload10 basic_raw_socket]``(
+      basic_raw_socket< Protocol1, Executor1 > && other,
+      typename enable_if< is_convertible< Protocol1, Protocol >::value &&is_convertible< Executor1, Executor >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_raw_socket.basic_raw_socket.overload10 more...]]``
 
 
-[section:overload1 basic_raw_socket::basic_raw_socket (1 of 6 overloads)]
+[section:overload1 basic_raw_socket::basic_raw_socket (1 of 10 overloads)]
 
 
 Construct a [link asio.reference.basic_raw_socket `basic_raw_socket`] without opening it. 
 
 
   basic_raw_socket(
-      asio::io_context & io_context);
+      const executor_type & ex);
 
 
 This constructor creates a raw socket without opening it. The `open()` function must be called before data can be sent or received on the socket.
@@ -13908,7 +15661,7 @@ This constructor creates a raw socket without opening it. The `open()` function
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the raw socket will use to dispatch handlers for any asynchronous operations performed on the socket. ]]
+[[ex][The I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket. ]]
 
 ]
 
@@ -13919,14 +15672,46 @@ This constructor creates a raw socket without opening it. The `open()` function
 
 
 
-[section:overload2 basic_raw_socket::basic_raw_socket (2 of 6 overloads)]
+[section:overload2 basic_raw_socket::basic_raw_socket (2 of 10 overloads)]
+
+
+Construct a [link asio.reference.basic_raw_socket `basic_raw_socket`] without opening it. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_raw_socket(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a raw socket without opening it. The `open()` function must be called before data can be sent or received on the socket.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload3 basic_raw_socket::basic_raw_socket (3 of 10 overloads)]
 
 
 Construct and open a [link asio.reference.basic_raw_socket `basic_raw_socket`]. 
 
 
   basic_raw_socket(
-      asio::io_context & io_context,
+      const executor_type & ex,
       const protocol_type & protocol);
 
 
@@ -13938,7 +15723,7 @@ This constructor creates and opens a raw socket.
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the raw socket will use to dispatch handlers for any asynchronous operations performed on the socket.]]
+[[ex][The I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
 
 [[protocol][An object specifying protocol parameters to be used.]]
 
@@ -13961,14 +15746,59 @@ This constructor creates and opens a raw socket.
 
 
 
-[section:overload3 basic_raw_socket::basic_raw_socket (3 of 6 overloads)]
+[section:overload4 basic_raw_socket::basic_raw_socket (4 of 10 overloads)]
+
+
+Construct and open a [link asio.reference.basic_raw_socket `basic_raw_socket`]. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_raw_socket(
+      ExecutionContext & context,
+      const protocol_type & protocol,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates and opens a raw socket.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
+
+[[protocol][An object specifying protocol parameters to be used.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload5 basic_raw_socket::basic_raw_socket (5 of 10 overloads)]
 
 
 Construct a [link asio.reference.basic_raw_socket `basic_raw_socket`], opening it and binding it to the given local endpoint. 
 
 
   basic_raw_socket(
-      asio::io_context & io_context,
+      const executor_type & ex,
       const endpoint_type & endpoint);
 
 
@@ -13980,7 +15810,7 @@ This constructor creates a raw socket and automatically opens it bound to the sp
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the raw socket will use to dispatch handlers for any asynchronous operations performed on the socket.]]
+[[ex][The I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
 
 [[endpoint][An endpoint on the local machine to which the raw socket will be bound.]]
 
@@ -14003,14 +15833,59 @@ This constructor creates a raw socket and automatically opens it bound to the sp
 
 
 
-[section:overload4 basic_raw_socket::basic_raw_socket (4 of 6 overloads)]
+[section:overload6 basic_raw_socket::basic_raw_socket (6 of 10 overloads)]
+
+
+Construct a [link asio.reference.basic_raw_socket `basic_raw_socket`], opening it and binding it to the given local endpoint. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_raw_socket(
+      ExecutionContext & context,
+      const endpoint_type & endpoint,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a raw socket and automatically opens it bound to the specified endpoint on the local machine. The protocol used is the protocol associated with the given endpoint.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
+
+[[endpoint][An endpoint on the local machine to which the raw socket will be bound.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload7 basic_raw_socket::basic_raw_socket (7 of 10 overloads)]
 
 
 Construct a [link asio.reference.basic_raw_socket `basic_raw_socket`] on an existing native socket. 
 
 
   basic_raw_socket(
-      asio::io_context & io_context,
+      const executor_type & ex,
       const protocol_type & protocol,
       const native_handle_type & native_socket);
 
@@ -14023,7 +15898,7 @@ This constructor creates a raw socket object to hold an existing native socket.
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the raw socket will use to dispatch handlers for any asynchronous operations performed on the socket.]]
+[[ex][The I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
 
 [[protocol][An object specifying protocol parameters to be used.]]
 
@@ -14048,7 +15923,55 @@ This constructor creates a raw socket object to hold an existing native socket.
 
 
 
-[section:overload5 basic_raw_socket::basic_raw_socket (5 of 6 overloads)]
+[section:overload8 basic_raw_socket::basic_raw_socket (8 of 10 overloads)]
+
+
+Construct a [link asio.reference.basic_raw_socket `basic_raw_socket`] on an existing native socket. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_raw_socket(
+      ExecutionContext & context,
+      const protocol_type & protocol,
+      const native_handle_type & native_socket,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a raw socket object to hold an existing native socket.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
+
+[[protocol][An object specifying protocol parameters to be used.]]
+
+[[native_socket][The new underlying socket implementation.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload9 basic_raw_socket::basic_raw_socket (9 of 10 overloads)]
 
 
 Move-construct a [link asio.reference.basic_raw_socket `basic_raw_socket`] from another. 
@@ -14073,7 +15996,7 @@ This constructor moves a raw socket from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_raw_socket(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_raw_socket(const executor_type&)` constructor. 
 
 
 
@@ -14082,17 +16005,18 @@ Following the move, the moved-from object is in the same state as if constructed
 
 
 
-[section:overload6 basic_raw_socket::basic_raw_socket (6 of 6 overloads)]
+[section:overload10 basic_raw_socket::basic_raw_socket (10 of 10 overloads)]
 
 
 Move-construct a [link asio.reference.basic_raw_socket `basic_raw_socket`] from a socket of another protocol type. 
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
   basic_raw_socket(
-      basic_raw_socket< Protocol1 > && other,
-      typename enable_if< is_convertible< Protocol1, Protocol >::value >::type *  = 0);
+      basic_raw_socket< Protocol1, Executor1 > && other,
+      typename enable_if< is_convertible< Protocol1, Protocol >::value &&is_convertible< Executor1, Executor >::value >::type *  = 0);
 
 
 This constructor moves a raw socket from one object to another.
@@ -14110,7 +16034,7 @@ This constructor moves a raw socket from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_raw_socket(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_raw_socket(const executor_type&)` constructor. 
 
 
 
@@ -14176,7 +16100,7 @@ This function binds the socket to the specified endpoint on the local machine.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    socket.open(asio::ip::tcp::v4());
    socket.bind(asio::ip::tcp::endpoint(
          asio::ip::tcp::v4(), 12345));
@@ -14224,7 +16148,7 @@ This function binds the socket to the specified endpoint on the local machine.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    socket.open(asio::ip::tcp::v4());
    asio::error_code ec;
    socket.bind(asio::ip::tcp::endpoint(
@@ -14266,7 +16190,7 @@ Implements the SOL\_SOCKET/SO\_BROADCAST socket option.
   
 Setting the option: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::broadcast option(true);
    socket.set_option(option);
@@ -14277,7 +16201,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::broadcast option;
    socket.get_option(option);
@@ -14320,7 +16244,7 @@ Implements the FIONREAD IO control command.
   
 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::bytes_readable command(true);
    socket.io_control(command);
@@ -14538,7 +16462,7 @@ This function is used to close the socket. Any asynchronous send, receive or con
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::error_code ec;
    socket.close(ec);
@@ -14621,7 +16545,7 @@ The socket is automatically opened if it is not already open. If the connect fai
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    asio::ip::tcp::endpoint endpoint(
        asio::ip::address::from_string("1.2.3.4"), 12345);
    socket.connect(endpoint);
@@ -14671,7 +16595,7 @@ The socket is automatically opened if it is not already open. If the connect fai
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    asio::ip::tcp::endpoint endpoint(
        asio::ip::address::from_string("1.2.3.4"), 12345);
    asio::error_code ec;
@@ -14713,7 +16637,7 @@ Implements the SOL\_SOCKET/SO\_DEBUG socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::debug option(true);
    socket.set_option(option);
@@ -14724,7 +16648,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::debug option;
    socket.get_option(option);
@@ -14767,7 +16691,7 @@ Implements the SOL\_SOCKET/SO\_DONTROUTE socket option.
   
 Setting the option: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::do_not_route option(true);
    socket.set_option(option);
@@ -14778,7 +16702,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::do_not_route option;
    socket.get_option(option);
@@ -14821,7 +16745,7 @@ Implements a custom socket option that determines whether or not an accept opera
   
 Setting the option: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::enable_connection_aborted option(true);
    acceptor.set_option(option);
@@ -14832,7 +16756,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::enable_connection_aborted option;
    acceptor.get_option(option);
@@ -14878,73 +16802,13 @@ The endpoint type.
 
 [section:executor_type basic_raw_socket::executor_type]
 
-
-['Inherited from basic_socket.]
-
 [indexterm2 asio.indexterm.basic_raw_socket.executor_type..executor_type..basic_raw_socket] 
 The type of the executor associated with the object. 
 
 
-  typedef io_context::executor_type executor_type;
+  typedef Executor executor_type;
 
 
-[heading Member Functions]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.context [*context]]]
-    [Obtain the underlying execution context. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.defer [*defer]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.dispatch [*dispatch]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_finished [*on_work_finished]]]
-    [Inform the io_context that some work is no longer outstanding. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_started [*on_work_started]]]
-    [Inform the io_context that it has some outstanding work to do. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.post [*post]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.running_in_this_thread [*running_in_this_thread]]]
-    [Determine whether the io_context is running in the current thread. ]
-  ]
-  
-]
-
-[heading Friends]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.operator_not__eq_ [*operator!=]]]
-    [Compare two executors for inequality. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.operator_eq__eq_ [*operator==]]]
-    [Compare two executors for equality. ]
-  ]
-  
-]
-
 
 [heading Requirements]
 
@@ -14970,58 +16834,6 @@ Get the executor associated with the object.
 
 
 
-[endsect]
-
-
-
-[section:get_io_context basic_raw_socket::get_io_context]
-
-
-['Inherited from basic_socket.]
-
-[indexterm2 asio.indexterm.basic_raw_socket.get_io_context..get_io_context..basic_raw_socket] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_context();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
-[section:get_io_service basic_raw_socket::get_io_service]
-
-
-['Inherited from basic_socket.]
-
-[indexterm2 asio.indexterm.basic_raw_socket.get_io_service..get_io_service..basic_raw_socket] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_service();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
 [endsect]
 
 
@@ -15088,7 +16900,7 @@ This function is used to get the current value of an option on the socket.
   
 Getting the value of the SOL\_SOCKET/SO\_KEEPALIVE option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::socket::keep_alive option;
    socket.get_option(option);
@@ -15140,7 +16952,7 @@ This function is used to get the current value of an option on the socket.
   
 Getting the value of the SOL\_SOCKET/SO\_KEEPALIVE option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::socket::keep_alive option;
    asio::error_code ec;
@@ -15162,6 +16974,21 @@ Getting the value of the SOL\_SOCKET/SO\_KEEPALIVE option:
 
 [endsect]
 
+
+[section:impl_ basic_raw_socket::impl_]
+
+
+['Inherited from basic_socket.]
+
+[indexterm2 asio.indexterm.basic_raw_socket.impl_..impl_..basic_raw_socket] 
+
+  detail::io_object_impl< detail::reactive_socket_service< Protocol >, Executor > impl_;
+
+
+
+[endsect]
+
+
 [section:io_control basic_raw_socket::io_control]
 
 [indexterm2 asio.indexterm.basic_raw_socket.io_control..io_control..basic_raw_socket] 
@@ -15225,7 +17052,7 @@ This function is used to execute an IO control command on the socket.
   
 Getting the number of bytes ready to read: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::socket::bytes_readable command;
    socket.io_control(command);
@@ -15277,7 +17104,7 @@ This function is used to execute an IO control command on the socket.
   
 Getting the number of bytes ready to read: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::socket::bytes_readable command;
    asio::error_code ec;
@@ -15337,7 +17164,7 @@ Implements the SOL\_SOCKET/SO\_KEEPALIVE socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::keep_alive option(true);
    socket.set_option(option);
@@ -15348,7 +17175,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::keep_alive option;
    socket.get_option(option);
@@ -15391,7 +17218,7 @@ Implements the SOL\_SOCKET/SO\_LINGER socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::linger option(true, 30);
    socket.set_option(option);
@@ -15402,7 +17229,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::linger option;
    socket.get_option(option);
@@ -15473,7 +17300,7 @@ An object that represents the local endpoint of the socket.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::endpoint endpoint = socket.local_endpoint();
 
@@ -15522,7 +17349,7 @@ An object that represents the local endpoint of the socket. Returns a default-co
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::error_code ec;
    asio::ip::tcp::endpoint endpoint = socket.local_endpoint(ec);
@@ -15622,13 +17449,20 @@ A const reference to the lowest layer in the stack of layers. Ownership is not t
 A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer. 
 
 
-  typedef basic_socket< Protocol > lowest_layer_type;
+  typedef basic_socket< Protocol, Executor > lowest_layer_type;
 
 
 [heading Types]
 [table
   [[Name][Description]]
 
+  [
+
+    [[link asio.reference.basic_socket__rebind_executor [*rebind_executor]]]
+    [Rebinds the socket type to another executor. ]
+  
+  ]
+
   [
 
     [[link asio.reference.basic_socket.broadcast [*broadcast]]]
@@ -15810,15 +17644,15 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
   [
     [[link asio.reference.basic_socket.basic_socket [*basic_socket]]]
     [Construct a basic_socket without opening it. 
-
+     [hr]
      Construct and open a basic_socket. 
-
+     [hr]
      Construct a basic_socket, opening it and binding it to the given local endpoint. 
-
+     [hr]
      Construct a basic_socket on an existing native socket. 
-
+     [hr]
      Move-construct a basic_socket from another. 
-
+     [hr]
      Move-construct a basic_socket from a socket of another protocol type. ]
   ]
   
@@ -15847,16 +17681,6 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_socket.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_socket.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_socket.get_option [*get_option]]]
     [Get an option from the socket. ]
@@ -15880,7 +17704,7 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
   [
     [[link asio.reference.basic_socket.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
@@ -15892,14 +17716,14 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
   [
     [[link asio.reference.basic_socket.native_non_blocking [*native_non_blocking]]]
     [Gets the non-blocking mode of the native socket implementation. 
-
+     [hr]
      Sets the non-blocking mode of the native socket implementation. ]
   ]
   
   [
     [[link asio.reference.basic_socket.non_blocking [*non_blocking]]]
     [Gets the non-blocking mode of the socket. 
-
+     [hr]
      Sets the non-blocking mode of the socket. ]
   ]
   
@@ -15911,7 +17735,7 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
   [
     [[link asio.reference.basic_socket.operator_eq_ [*operator=]]]
     [Move-assign a basic_socket from another. 
-
+     [hr]
      Move-assign a basic_socket from a socket of another protocol type. ]
   ]
   
@@ -15989,6 +17813,17 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
 
 ]
 
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_socket.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
 The [link asio.reference.basic_socket `basic_socket`] class template provides functionality that is common to both stream-oriented and datagram-oriented sockets.
 
 
@@ -16720,7 +18555,7 @@ This function opens the socket so that it will use the specified protocol.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    socket.open(asio::ip::tcp::v4());
 
 
@@ -16766,7 +18601,7 @@ This function opens the socket so that it will use the specified protocol.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    asio::error_code ec;
    socket.open(asio::ip::tcp::v4(), ec);
    if (ec)
@@ -16800,9 +18635,10 @@ Move-assign a [link asio.reference.basic_raw_socket `basic_raw_socket`] from a s
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
-  enable_if< is_convertible< Protocol1, Protocol >::value, basic_raw_socket >::type & ``[link asio.reference.basic_raw_socket.operator_eq_.overload2 operator=]``(
-      basic_raw_socket< Protocol1 > && other);
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  enable_if< is_convertible< Protocol1, Protocol >::value &&is_convertible< Executor1, Executor >::value, basic_raw_socket & >::type ``[link asio.reference.basic_raw_socket.operator_eq_.overload2 operator=]``(
+      basic_raw_socket< Protocol1, Executor1 > && other);
   ``  [''''&raquo;''' [link asio.reference.basic_raw_socket.operator_eq_.overload2 more...]]``
 
 
@@ -16831,7 +18667,7 @@ This assignment operator moves a raw socket from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_raw_socket(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_raw_socket(const executor_type&)` constructor. 
 
 
 
@@ -16847,9 +18683,10 @@ Move-assign a [link asio.reference.basic_raw_socket `basic_raw_socket`] from a s
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
-  enable_if< is_convertible< Protocol1, Protocol >::value, basic_raw_socket >::type & operator=(
-      basic_raw_socket< Protocol1 > && other);
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  enable_if< is_convertible< Protocol1, Protocol >::value &&is_convertible< Executor1, Executor >::value, basic_raw_socket & >::type operator=(
+      basic_raw_socket< Protocol1, Executor1 > && other);
 
 
 This assignment operator moves a raw socket from one object to another.
@@ -16867,7 +18704,7 @@ This assignment operator moves a raw socket from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_raw_socket(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_raw_socket(const executor_type&)` constructor. 
 
 
 
@@ -16898,7 +18735,7 @@ Implements the SOL\_SOCKET/SO\_OOBINLINE socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::out_of_band_inline option(true);
    socket.set_option(option);
@@ -16909,7 +18746,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::out_of_band_inline option;
    socket.get_option(option);
@@ -17164,7 +19001,7 @@ Implements the SOL\_SOCKET/SO\_RCVBUF socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_buffer_size option(8192);
    socket.set_option(option);
@@ -17175,7 +19012,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_buffer_size option;
    socket.get_option(option);
@@ -17408,7 +19245,7 @@ Implements the SOL\_SOCKET/SO\_RCVLOWAT socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_low_watermark option(1024);
    socket.set_option(option);
@@ -17419,7 +19256,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_low_watermark option;
    socket.get_option(option);
@@ -17577,7 +19414,7 @@ An object that represents the remote endpoint of the socket.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::endpoint endpoint = socket.remote_endpoint();
 
@@ -17626,7 +19463,7 @@ An object that represents the remote endpoint of the socket. Returns a default-c
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::error_code ec;
    asio::ip::tcp::endpoint endpoint = socket.remote_endpoint(ec);
@@ -17667,7 +19504,7 @@ Implements the SOL\_SOCKET/SO\_REUSEADDR socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::reuse_address option(true);
    acceptor.set_option(option);
@@ -17678,7 +19515,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::reuse_address option;
    acceptor.get_option(option);
@@ -17912,7 +19749,7 @@ Implements the SOL\_SOCKET/SO\_SNDBUF socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_buffer_size option(8192);
    socket.set_option(option);
@@ -17923,7 +19760,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_buffer_size option;
    socket.get_option(option);
@@ -17966,7 +19803,7 @@ Implements the SOL\_SOCKET/SO\_SNDLOWAT socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_low_watermark option(1024);
    socket.set_option(option);
@@ -17977,7 +19814,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_low_watermark option;
    socket.get_option(option);
@@ -18252,7 +20089,7 @@ This function is used to set an option on the socket.
   
 Setting the IPPROTO\_TCP/TCP\_NODELAY option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::no_delay option(true);
    socket.set_option(option);
@@ -18303,7 +20140,7 @@ This function is used to set an option on the socket.
   
 Setting the IPPROTO\_TCP/TCP\_NODELAY option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::no_delay option(true);
    asio::error_code ec;
@@ -18380,7 +20217,7 @@ This function is used to disable send operations, receive operations, or both.
   
 Shutting down the send side of the socket: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    socket.shutdown(asio::ip::tcp::socket::shutdown_send);
 
@@ -18427,7 +20264,7 @@ This function is used to disable send operations, receive operations, or both.
   
 Shutting down the send side of the socket: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::error_code ec;
    socket.shutdown(asio::ip::tcp::socket::shutdown_send, ec);
@@ -18534,7 +20371,7 @@ This function is used to perform a blocking wait for a socket to enter a ready t
   
 Waiting for a socket to become readable. 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    socket.wait(asio::ip::tcp::socket::wait_read);
 
@@ -18581,7 +20418,7 @@ This function is used to perform a blocking wait for a socket to enter a ready t
   
 Waiting for a socket to become readable. 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::error_code ec;
    socket.wait(asio::ip::tcp::socket::wait_read, ec);
@@ -18657,6 +20494,477 @@ This function destroys the socket, cancelling any outstanding asynchronous opera
 
 
 
+[endsect]
+
+[section:basic_raw_socket__rebind_executor basic_raw_socket::rebind_executor]
+
+
+Rebinds the socket type to another executor. 
+
+
+  template<
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  struct rebind_executor
+
+
+[heading Types]
+[table
+  [[Name][Description]]
+
+  [
+
+    [[link asio.reference.basic_raw_socket__rebind_executor.other [*other]]]
+    [The socket type when rebound to the specified executor. ]
+  
+  ]
+
+]
+
+[heading Requirements]
+
+['Header: ][^asio/basic_raw_socket.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[section:other basic_raw_socket::rebind_executor::other]
+
+[indexterm2 asio.indexterm.basic_raw_socket__rebind_executor.other..other..basic_raw_socket::rebind_executor] 
+The socket type when rebound to the specified executor. 
+
+
+  typedef basic_raw_socket< Protocol, Executor1 > other;
+
+
+[heading Types]
+[table
+  [[Name][Description]]
+
+  [
+
+    [[link asio.reference.basic_raw_socket__rebind_executor [*rebind_executor]]]
+    [Rebinds the socket type to another executor. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_raw_socket.broadcast [*broadcast]]]
+    [Socket option to permit sending of broadcast messages. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_raw_socket.bytes_readable [*bytes_readable]]]
+    [IO control command to get the amount of data that can be read without blocking. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_raw_socket.debug [*debug]]]
+    [Socket option to enable socket-level debugging. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_raw_socket.do_not_route [*do_not_route]]]
+    [Socket option to prevent routing, use local interfaces only. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_raw_socket.enable_connection_aborted [*enable_connection_aborted]]]
+    [Socket option to report aborted connections on accept. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_raw_socket.endpoint_type [*endpoint_type]]]
+    [The endpoint type. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_raw_socket.executor_type [*executor_type]]]
+    [The type of the executor associated with the object. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_raw_socket.keep_alive [*keep_alive]]]
+    [Socket option to send keep-alives. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_raw_socket.linger [*linger]]]
+    [Socket option to specify whether the socket lingers on close if unsent data is present. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_raw_socket.lowest_layer_type [*lowest_layer_type]]]
+    [A basic_socket is always the lowest layer. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_raw_socket.message_flags [*message_flags]]]
+    [Bitmask type for flags that can be passed to send and receive operations. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_raw_socket.native_handle_type [*native_handle_type]]]
+    [The native representation of a socket. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_raw_socket.out_of_band_inline [*out_of_band_inline]]]
+    [Socket option for putting received out-of-band data inline. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_raw_socket.protocol_type [*protocol_type]]]
+    [The protocol type. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_raw_socket.receive_buffer_size [*receive_buffer_size]]]
+    [Socket option for the receive buffer size of a socket. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_raw_socket.receive_low_watermark [*receive_low_watermark]]]
+    [Socket option for the receive low watermark. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_raw_socket.reuse_address [*reuse_address]]]
+    [Socket option to allow the socket to be bound to an address that is already in use. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_raw_socket.send_buffer_size [*send_buffer_size]]]
+    [Socket option for the send buffer size of a socket. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_raw_socket.send_low_watermark [*send_low_watermark]]]
+    [Socket option for the send low watermark. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_raw_socket.shutdown_type [*shutdown_type]]]
+    [Different ways a socket may be shutdown. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_raw_socket.wait_type [*wait_type]]]
+    [Wait types. ]
+  
+  ]
+
+]
+
+[heading Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_raw_socket.assign [*assign]]]
+    [Assign an existing native socket to the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.async_connect [*async_connect]]]
+    [Start an asynchronous connect. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.async_receive [*async_receive]]]
+    [Start an asynchronous receive on a connected socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.async_receive_from [*async_receive_from]]]
+    [Start an asynchronous receive. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.async_send [*async_send]]]
+    [Start an asynchronous send on a connected socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.async_send_to [*async_send_to]]]
+    [Start an asynchronous send. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.async_wait [*async_wait]]]
+    [Asynchronously wait for the socket to become ready to read, ready to write, or to have pending error conditions. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.at_mark [*at_mark]]]
+    [Determine whether the socket is at the out-of-band data mark. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.available [*available]]]
+    [Determine the number of bytes available for reading. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.basic_raw_socket [*basic_raw_socket]]]
+    [Construct a basic_raw_socket without opening it. 
+     [hr]
+     Construct and open a basic_raw_socket. 
+     [hr]
+     Construct a basic_raw_socket, opening it and binding it to the given local endpoint. 
+     [hr]
+     Construct a basic_raw_socket on an existing native socket. 
+     [hr]
+     Move-construct a basic_raw_socket from another. 
+     [hr]
+     Move-construct a basic_raw_socket from a socket of another protocol type. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.bind [*bind]]]
+    [Bind the socket to the given local endpoint. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.cancel [*cancel]]]
+    [Cancel all asynchronous operations associated with the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.close [*close]]]
+    [Close the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.connect [*connect]]]
+    [Connect the socket to the specified endpoint. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.get_executor [*get_executor]]]
+    [Get the executor associated with the object. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.get_option [*get_option]]]
+    [Get an option from the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.io_control [*io_control]]]
+    [Perform an IO control command on the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.is_open [*is_open]]]
+    [Determine whether the socket is open. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.local_endpoint [*local_endpoint]]]
+    [Get the local endpoint of the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.lowest_layer [*lowest_layer]]]
+    [Get a reference to the lowest layer. 
+     [hr]
+     Get a const reference to the lowest layer. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.native_handle [*native_handle]]]
+    [Get the native socket representation. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.native_non_blocking [*native_non_blocking]]]
+    [Gets the non-blocking mode of the native socket implementation. 
+     [hr]
+     Sets the non-blocking mode of the native socket implementation. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.non_blocking [*non_blocking]]]
+    [Gets the non-blocking mode of the socket. 
+     [hr]
+     Sets the non-blocking mode of the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.open [*open]]]
+    [Open the socket using the specified protocol. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.operator_eq_ [*operator=]]]
+    [Move-assign a basic_raw_socket from another. 
+     [hr]
+     Move-assign a basic_raw_socket from a socket of another protocol type. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.receive [*receive]]]
+    [Receive some data on a connected socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.receive_from [*receive_from]]]
+    [Receive raw data with the endpoint of the sender. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.release [*release]]]
+    [Release ownership of the underlying native socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.remote_endpoint [*remote_endpoint]]]
+    [Get the remote endpoint of the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.send [*send]]]
+    [Send some data on a connected socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.send_to [*send_to]]]
+    [Send raw data to the specified endpoint. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.set_option [*set_option]]]
+    [Set an option on the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.shutdown [*shutdown]]]
+    [Disable sends or receives on the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket.wait [*wait]]]
+    [Wait for the socket to become ready to read, ready to write, or to have pending error conditions. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_raw_socket._basic_raw_socket [*~basic_raw_socket]]]
+    [Destroys the socket. ]
+  ]
+  
+]
+
+[heading Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_raw_socket.max_connections [*max_connections]]]
+    [(Deprecated: Use max_listen_connections.) The maximum length of the queue of pending incoming connections. ]
+  ]
+
+  [
+    [[link asio.reference.basic_raw_socket.max_listen_connections [*max_listen_connections]]]
+    [The maximum length of the queue of pending incoming connections. ]
+  ]
+
+  [
+    [[link asio.reference.basic_raw_socket.message_do_not_route [*message_do_not_route]]]
+    [Specify that the data should not be subject to routing. ]
+  ]
+
+  [
+    [[link asio.reference.basic_raw_socket.message_end_of_record [*message_end_of_record]]]
+    [Specifies that the data marks the end of a record. ]
+  ]
+
+  [
+    [[link asio.reference.basic_raw_socket.message_out_of_band [*message_out_of_band]]]
+    [Process out-of-band data. ]
+  ]
+
+  [
+    [[link asio.reference.basic_raw_socket.message_peek [*message_peek]]]
+    [Peek at incoming data without removing it from the input queue. ]
+  ]
+
+]
+
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_raw_socket.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
+The [link asio.reference.basic_raw_socket `basic_raw_socket`] class template provides asynchronous and blocking raw-oriented socket functionality.
+
+
+[heading Thread Safety]
+  
+['Distinct] ['objects:] Safe.
+
+['Shared] ['objects:] Unsafe. 
+
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/basic_raw_socket.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+
 [endsect]
 
 [section:basic_seq_packet_socket basic_seq_packet_socket]
@@ -18666,15 +20974,23 @@ Provides sequenced packet socket functionality.
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol]``>
+      typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``>
   class basic_seq_packet_socket :
-    public basic_socket< Protocol >
+    public basic_socket< Protocol, Executor >
 
 
 [heading Types]
 [table
   [[Name][Description]]
 
+  [
+
+    [[link asio.reference.basic_seq_packet_socket__rebind_executor [*rebind_executor]]]
+    [Rebinds the socket type to another executor. ]
+  
+  ]
+
   [
 
     [[link asio.reference.basic_seq_packet_socket.broadcast [*broadcast]]]
@@ -18866,15 +21182,15 @@ Provides sequenced packet socket functionality.
   [
     [[link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket [*basic_seq_packet_socket]]]
     [Construct a basic_seq_packet_socket without opening it. 
-
+     [hr]
      Construct and open a basic_seq_packet_socket. 
-
+     [hr]
      Construct a basic_seq_packet_socket, opening it and binding it to the given local endpoint. 
-
+     [hr]
      Construct a basic_seq_packet_socket on an existing native socket. 
-
+     [hr]
      Move-construct a basic_seq_packet_socket from another. 
-
+     [hr]
      Move-construct a basic_seq_packet_socket from a socket of another protocol type. ]
   ]
   
@@ -18903,16 +21219,6 @@ Provides sequenced packet socket functionality.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_seq_packet_socket.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_seq_packet_socket.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_seq_packet_socket.get_option [*get_option]]]
     [Get an option from the socket. ]
@@ -18936,7 +21242,7 @@ Provides sequenced packet socket functionality.
   [
     [[link asio.reference.basic_seq_packet_socket.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
@@ -18948,14 +21254,14 @@ Provides sequenced packet socket functionality.
   [
     [[link asio.reference.basic_seq_packet_socket.native_non_blocking [*native_non_blocking]]]
     [Gets the non-blocking mode of the native socket implementation. 
-
+     [hr]
      Sets the non-blocking mode of the native socket implementation. ]
   ]
   
   [
     [[link asio.reference.basic_seq_packet_socket.non_blocking [*non_blocking]]]
     [Gets the non-blocking mode of the socket. 
-
+     [hr]
      Sets the non-blocking mode of the socket. ]
   ]
   
@@ -18967,14 +21273,14 @@ Provides sequenced packet socket functionality.
   [
     [[link asio.reference.basic_seq_packet_socket.operator_eq_ [*operator=]]]
     [Move-assign a basic_seq_packet_socket from another. 
-
+     [hr]
      Move-assign a basic_seq_packet_socket from a socket of another protocol type. ]
   ]
   
   [
     [[link asio.reference.basic_seq_packet_socket.receive [*receive]]]
     [Receive some data on the socket. 
-
+     [hr]
      Receive some data on a connected socket. ]
   ]
   
@@ -19051,6 +21357,17 @@ Provides sequenced packet socket functionality.
 
 ]
 
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_seq_packet_socket.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
 The [link asio.reference.basic_seq_packet_socket `basic_seq_packet_socket`] class template provides asynchronous and blocking sequenced packet socket functionality.
 
 
@@ -19161,7 +21478,7 @@ The socket is automatically opened if it is not already open. If the connect fai
      const asio::error_code& error // Result of operation
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -19180,7 +21497,7 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
    ...
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    asio::ip::tcp::endpoint endpoint(
        asio::ip::address::from_string("1.2.3.4"), 12345);
    socket.async_connect(endpoint, connect_handler);
@@ -19254,7 +21571,7 @@ This function is used to asynchronously receive data from the sequenced packet s
      std::size_t bytes_transferred           // Number of bytes received.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -19312,7 +21629,7 @@ This function is used to asynchronously receive data from the sequenced data soc
      std::size_t bytes_transferred           // Number of bytes received.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -19371,7 +21688,7 @@ This function is used to asynchronously send data on the sequenced packet socket
      std::size_t bytes_transferred           // Number of bytes sent.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -19424,7 +21741,7 @@ This function is used to perform an asynchronous wait for a socket to enter a re
      const asio::error_code& error // Result of operation
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -19443,7 +21760,7 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
    ...
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    socket.async_wait(asio::ip::tcp::socket::wait_read, wait_handler);
 
@@ -19639,65 +21956,98 @@ Construct a [link asio.reference.basic_seq_packet_socket `basic_seq_packet_socke
 
 
   explicit ``[link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload1 basic_seq_packet_socket]``(
-      asio::io_context & io_context);
+      const executor_type & ex);
   ``  [''''&raquo;''' [link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload1 more...]]``
 
+  template<
+      typename ExecutionContext>
+  explicit ``[link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload2 basic_seq_packet_socket]``(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload2 more...]]``
+
 
 Construct and open a [link asio.reference.basic_seq_packet_socket `basic_seq_packet_socket`]. 
 
 
-  ``[link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload2 basic_seq_packet_socket]``(
-      asio::io_context & io_context,
+  ``[link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload3 basic_seq_packet_socket]``(
+      const executor_type & ex,
       const protocol_type & protocol);
-  ``  [''''&raquo;''' [link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload2 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload3 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload4 basic_seq_packet_socket]``(
+      ExecutionContext & context,
+      const protocol_type & protocol,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload4 more...]]``
 
 
 Construct a [link asio.reference.basic_seq_packet_socket `basic_seq_packet_socket`], opening it and binding it to the given local endpoint. 
 
 
-  ``[link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload3 basic_seq_packet_socket]``(
-      asio::io_context & io_context,
+  ``[link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload5 basic_seq_packet_socket]``(
+      const executor_type & ex,
       const endpoint_type & endpoint);
-  ``  [''''&raquo;''' [link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload3 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload5 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload6 basic_seq_packet_socket]``(
+      ExecutionContext & context,
+      const endpoint_type & endpoint,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload6 more...]]``
 
 
 Construct a [link asio.reference.basic_seq_packet_socket `basic_seq_packet_socket`] on an existing native socket. 
 
 
-  ``[link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload4 basic_seq_packet_socket]``(
-      asio::io_context & io_context,
+  ``[link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload7 basic_seq_packet_socket]``(
+      const executor_type & ex,
       const protocol_type & protocol,
       const native_handle_type & native_socket);
-  ``  [''''&raquo;''' [link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload4 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload7 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload8 basic_seq_packet_socket]``(
+      ExecutionContext & context,
+      const protocol_type & protocol,
+      const native_handle_type & native_socket,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload8 more...]]``
 
 
 Move-construct a [link asio.reference.basic_seq_packet_socket `basic_seq_packet_socket`] from another. 
 
 
-  ``[link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload5 basic_seq_packet_socket]``(
+  ``[link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload9 basic_seq_packet_socket]``(
       basic_seq_packet_socket && other);
-  ``  [''''&raquo;''' [link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload5 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload9 more...]]``
 
 
 Move-construct a [link asio.reference.basic_seq_packet_socket `basic_seq_packet_socket`] from a socket of another protocol type. 
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
-  ``[link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload6 basic_seq_packet_socket]``(
-      basic_seq_packet_socket< Protocol1 > && other,
-      typename enable_if< is_convertible< Protocol1, Protocol >::value >::type *  = 0);
-  ``  [''''&raquo;''' [link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload6 more...]]``
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  ``[link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload10 basic_seq_packet_socket]``(
+      basic_seq_packet_socket< Protocol1, Executor1 > && other,
+      typename enable_if< is_convertible< Protocol1, Protocol >::value &&is_convertible< Executor1, Executor >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket.overload10 more...]]``
 
 
-[section:overload1 basic_seq_packet_socket::basic_seq_packet_socket (1 of 6 overloads)]
+[section:overload1 basic_seq_packet_socket::basic_seq_packet_socket (1 of 10 overloads)]
 
 
 Construct a [link asio.reference.basic_seq_packet_socket `basic_seq_packet_socket`] without opening it. 
 
 
   basic_seq_packet_socket(
-      asio::io_context & io_context);
+      const executor_type & ex);
 
 
 This constructor creates a sequenced packet socket without opening it. The socket needs to be opened and then connected or accepted before data can be sent or received on it.
@@ -19708,7 +22058,7 @@ This constructor creates a sequenced packet socket without opening it. The socke
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the sequenced packet socket will use to dispatch handlers for any asynchronous operations performed on the socket. ]]
+[[ex][The I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket. ]]
 
 ]
 
@@ -19719,14 +22069,46 @@ This constructor creates a sequenced packet socket without opening it. The socke
 
 
 
-[section:overload2 basic_seq_packet_socket::basic_seq_packet_socket (2 of 6 overloads)]
+[section:overload2 basic_seq_packet_socket::basic_seq_packet_socket (2 of 10 overloads)]
+
+
+Construct a [link asio.reference.basic_seq_packet_socket `basic_seq_packet_socket`] without opening it. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_seq_packet_socket(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a sequenced packet socket without opening it. The socket needs to be opened and then connected or accepted before data can be sent or received on it.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload3 basic_seq_packet_socket::basic_seq_packet_socket (3 of 10 overloads)]
 
 
 Construct and open a [link asio.reference.basic_seq_packet_socket `basic_seq_packet_socket`]. 
 
 
   basic_seq_packet_socket(
-      asio::io_context & io_context,
+      const executor_type & ex,
       const protocol_type & protocol);
 
 
@@ -19738,7 +22120,7 @@ This constructor creates and opens a sequenced\_packet socket. The socket needs
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the sequenced packet socket will use to dispatch handlers for any asynchronous operations performed on the socket.]]
+[[ex][The I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
 
 [[protocol][An object specifying protocol parameters to be used.]]
 
@@ -19761,14 +22143,59 @@ This constructor creates and opens a sequenced\_packet socket. The socket needs
 
 
 
-[section:overload3 basic_seq_packet_socket::basic_seq_packet_socket (3 of 6 overloads)]
+[section:overload4 basic_seq_packet_socket::basic_seq_packet_socket (4 of 10 overloads)]
+
+
+Construct and open a [link asio.reference.basic_seq_packet_socket `basic_seq_packet_socket`]. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_seq_packet_socket(
+      ExecutionContext & context,
+      const protocol_type & protocol,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates and opens a sequenced\_packet socket. The socket needs to be connected or accepted before data can be sent or received on it.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
+
+[[protocol][An object specifying protocol parameters to be used.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload5 basic_seq_packet_socket::basic_seq_packet_socket (5 of 10 overloads)]
 
 
 Construct a [link asio.reference.basic_seq_packet_socket `basic_seq_packet_socket`], opening it and binding it to the given local endpoint. 
 
 
   basic_seq_packet_socket(
-      asio::io_context & io_context,
+      const executor_type & ex,
       const endpoint_type & endpoint);
 
 
@@ -19780,7 +22207,7 @@ This constructor creates a sequenced packet socket and automatically opens it bo
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the sequenced packet socket will use to dispatch handlers for any asynchronous operations performed on the socket.]]
+[[ex][The I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
 
 [[endpoint][An endpoint on the local machine to which the sequenced packet socket will be bound.]]
 
@@ -19803,14 +22230,59 @@ This constructor creates a sequenced packet socket and automatically opens it bo
 
 
 
-[section:overload4 basic_seq_packet_socket::basic_seq_packet_socket (4 of 6 overloads)]
+[section:overload6 basic_seq_packet_socket::basic_seq_packet_socket (6 of 10 overloads)]
+
+
+Construct a [link asio.reference.basic_seq_packet_socket `basic_seq_packet_socket`], opening it and binding it to the given local endpoint. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_seq_packet_socket(
+      ExecutionContext & context,
+      const endpoint_type & endpoint,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a sequenced packet socket and automatically opens it bound to the specified endpoint on the local machine. The protocol used is the protocol associated with the given endpoint.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
+
+[[endpoint][An endpoint on the local machine to which the sequenced packet socket will be bound.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload7 basic_seq_packet_socket::basic_seq_packet_socket (7 of 10 overloads)]
 
 
 Construct a [link asio.reference.basic_seq_packet_socket `basic_seq_packet_socket`] on an existing native socket. 
 
 
   basic_seq_packet_socket(
-      asio::io_context & io_context,
+      const executor_type & ex,
       const protocol_type & protocol,
       const native_handle_type & native_socket);
 
@@ -19823,7 +22295,7 @@ This constructor creates a sequenced packet socket object to hold an existing na
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the sequenced packet socket will use to dispatch handlers for any asynchronous operations performed on the socket.]]
+[[ex][The I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
 
 [[protocol][An object specifying protocol parameters to be used.]]
 
@@ -19848,7 +22320,55 @@ This constructor creates a sequenced packet socket object to hold an existing na
 
 
 
-[section:overload5 basic_seq_packet_socket::basic_seq_packet_socket (5 of 6 overloads)]
+[section:overload8 basic_seq_packet_socket::basic_seq_packet_socket (8 of 10 overloads)]
+
+
+Construct a [link asio.reference.basic_seq_packet_socket `basic_seq_packet_socket`] on an existing native socket. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_seq_packet_socket(
+      ExecutionContext & context,
+      const protocol_type & protocol,
+      const native_handle_type & native_socket,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a sequenced packet socket object to hold an existing native socket.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
+
+[[protocol][An object specifying protocol parameters to be used.]]
+
+[[native_socket][The new underlying socket implementation.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload9 basic_seq_packet_socket::basic_seq_packet_socket (9 of 10 overloads)]
 
 
 Move-construct a [link asio.reference.basic_seq_packet_socket `basic_seq_packet_socket`] from another. 
@@ -19873,7 +22393,7 @@ This constructor moves a sequenced packet socket from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_seq_packet_socket(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_seq_packet_socket(const executor_type&)` constructor. 
 
 
 
@@ -19882,17 +22402,18 @@ Following the move, the moved-from object is in the same state as if constructed
 
 
 
-[section:overload6 basic_seq_packet_socket::basic_seq_packet_socket (6 of 6 overloads)]
+[section:overload10 basic_seq_packet_socket::basic_seq_packet_socket (10 of 10 overloads)]
 
 
 Move-construct a [link asio.reference.basic_seq_packet_socket `basic_seq_packet_socket`] from a socket of another protocol type. 
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
   basic_seq_packet_socket(
-      basic_seq_packet_socket< Protocol1 > && other,
-      typename enable_if< is_convertible< Protocol1, Protocol >::value >::type *  = 0);
+      basic_seq_packet_socket< Protocol1, Executor1 > && other,
+      typename enable_if< is_convertible< Protocol1, Protocol >::value &&is_convertible< Executor1, Executor >::value >::type *  = 0);
 
 
 This constructor moves a sequenced packet socket from one object to another.
@@ -19910,7 +22431,7 @@ This constructor moves a sequenced packet socket from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_seq_packet_socket(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_seq_packet_socket(const executor_type&)` constructor. 
 
 
 
@@ -19976,7 +22497,7 @@ This function binds the socket to the specified endpoint on the local machine.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    socket.open(asio::ip::tcp::v4());
    socket.bind(asio::ip::tcp::endpoint(
          asio::ip::tcp::v4(), 12345));
@@ -20024,7 +22545,7 @@ This function binds the socket to the specified endpoint on the local machine.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    socket.open(asio::ip::tcp::v4());
    asio::error_code ec;
    socket.bind(asio::ip::tcp::endpoint(
@@ -20066,7 +22587,7 @@ Implements the SOL\_SOCKET/SO\_BROADCAST socket option.
   
 Setting the option: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::broadcast option(true);
    socket.set_option(option);
@@ -20077,7 +22598,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::broadcast option;
    socket.get_option(option);
@@ -20120,7 +22641,7 @@ Implements the FIONREAD IO control command.
   
 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::bytes_readable command(true);
    socket.io_control(command);
@@ -20338,7 +22859,7 @@ This function is used to close the socket. Any asynchronous send, receive or con
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::error_code ec;
    socket.close(ec);
@@ -20421,7 +22942,7 @@ The socket is automatically opened if it is not already open. If the connect fai
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    asio::ip::tcp::endpoint endpoint(
        asio::ip::address::from_string("1.2.3.4"), 12345);
    socket.connect(endpoint);
@@ -20471,7 +22992,7 @@ The socket is automatically opened if it is not already open. If the connect fai
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    asio::ip::tcp::endpoint endpoint(
        asio::ip::address::from_string("1.2.3.4"), 12345);
    asio::error_code ec;
@@ -20513,7 +23034,7 @@ Implements the SOL\_SOCKET/SO\_DEBUG socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::debug option(true);
    socket.set_option(option);
@@ -20524,7 +23045,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::debug option;
    socket.get_option(option);
@@ -20567,7 +23088,7 @@ Implements the SOL\_SOCKET/SO\_DONTROUTE socket option.
   
 Setting the option: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::do_not_route option(true);
    socket.set_option(option);
@@ -20578,7 +23099,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::do_not_route option;
    socket.get_option(option);
@@ -20621,7 +23142,7 @@ Implements a custom socket option that determines whether or not an accept opera
   
 Setting the option: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::enable_connection_aborted option(true);
    acceptor.set_option(option);
@@ -20632,7 +23153,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::enable_connection_aborted option;
    acceptor.get_option(option);
@@ -20678,73 +23199,13 @@ The endpoint type.
 
 [section:executor_type basic_seq_packet_socket::executor_type]
 
-
-['Inherited from basic_socket.]
-
 [indexterm2 asio.indexterm.basic_seq_packet_socket.executor_type..executor_type..basic_seq_packet_socket] 
 The type of the executor associated with the object. 
 
 
-  typedef io_context::executor_type executor_type;
+  typedef Executor executor_type;
 
 
-[heading Member Functions]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.context [*context]]]
-    [Obtain the underlying execution context. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.defer [*defer]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.dispatch [*dispatch]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_finished [*on_work_finished]]]
-    [Inform the io_context that some work is no longer outstanding. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_started [*on_work_started]]]
-    [Inform the io_context that it has some outstanding work to do. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.post [*post]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.running_in_this_thread [*running_in_this_thread]]]
-    [Determine whether the io_context is running in the current thread. ]
-  ]
-  
-]
-
-[heading Friends]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.operator_not__eq_ [*operator!=]]]
-    [Compare two executors for inequality. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.operator_eq__eq_ [*operator==]]]
-    [Compare two executors for equality. ]
-  ]
-  
-]
-
 
 [heading Requirements]
 
@@ -20770,58 +23231,6 @@ Get the executor associated with the object.
 
 
 
-[endsect]
-
-
-
-[section:get_io_context basic_seq_packet_socket::get_io_context]
-
-
-['Inherited from basic_socket.]
-
-[indexterm2 asio.indexterm.basic_seq_packet_socket.get_io_context..get_io_context..basic_seq_packet_socket] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_context();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
-[section:get_io_service basic_seq_packet_socket::get_io_service]
-
-
-['Inherited from basic_socket.]
-
-[indexterm2 asio.indexterm.basic_seq_packet_socket.get_io_service..get_io_service..basic_seq_packet_socket] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_service();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
 [endsect]
 
 
@@ -20888,7 +23297,7 @@ This function is used to get the current value of an option on the socket.
   
 Getting the value of the SOL\_SOCKET/SO\_KEEPALIVE option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::socket::keep_alive option;
    socket.get_option(option);
@@ -20940,7 +23349,7 @@ This function is used to get the current value of an option on the socket.
   
 Getting the value of the SOL\_SOCKET/SO\_KEEPALIVE option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::socket::keep_alive option;
    asio::error_code ec;
@@ -20962,6 +23371,21 @@ Getting the value of the SOL\_SOCKET/SO\_KEEPALIVE option:
 
 [endsect]
 
+
+[section:impl_ basic_seq_packet_socket::impl_]
+
+
+['Inherited from basic_socket.]
+
+[indexterm2 asio.indexterm.basic_seq_packet_socket.impl_..impl_..basic_seq_packet_socket] 
+
+  detail::io_object_impl< detail::reactive_socket_service< Protocol >, Executor > impl_;
+
+
+
+[endsect]
+
+
 [section:io_control basic_seq_packet_socket::io_control]
 
 [indexterm2 asio.indexterm.basic_seq_packet_socket.io_control..io_control..basic_seq_packet_socket] 
@@ -21025,7 +23449,7 @@ This function is used to execute an IO control command on the socket.
   
 Getting the number of bytes ready to read: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::socket::bytes_readable command;
    socket.io_control(command);
@@ -21077,7 +23501,7 @@ This function is used to execute an IO control command on the socket.
   
 Getting the number of bytes ready to read: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::socket::bytes_readable command;
    asio::error_code ec;
@@ -21137,7 +23561,7 @@ Implements the SOL\_SOCKET/SO\_KEEPALIVE socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::keep_alive option(true);
    socket.set_option(option);
@@ -21148,7 +23572,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::keep_alive option;
    socket.get_option(option);
@@ -21191,7 +23615,7 @@ Implements the SOL\_SOCKET/SO\_LINGER socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::linger option(true, 30);
    socket.set_option(option);
@@ -21202,7 +23626,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::linger option;
    socket.get_option(option);
@@ -21273,7 +23697,7 @@ An object that represents the local endpoint of the socket.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::endpoint endpoint = socket.local_endpoint();
 
@@ -21322,7 +23746,7 @@ An object that represents the local endpoint of the socket. Returns a default-co
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::error_code ec;
    asio::ip::tcp::endpoint endpoint = socket.local_endpoint(ec);
@@ -21422,13 +23846,20 @@ A const reference to the lowest layer in the stack of layers. Ownership is not t
 A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer. 
 
 
-  typedef basic_socket< Protocol > lowest_layer_type;
+  typedef basic_socket< Protocol, Executor > lowest_layer_type;
 
 
 [heading Types]
 [table
   [[Name][Description]]
 
+  [
+
+    [[link asio.reference.basic_socket__rebind_executor [*rebind_executor]]]
+    [Rebinds the socket type to another executor. ]
+  
+  ]
+
   [
 
     [[link asio.reference.basic_socket.broadcast [*broadcast]]]
@@ -21610,15 +24041,15 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
   [
     [[link asio.reference.basic_socket.basic_socket [*basic_socket]]]
     [Construct a basic_socket without opening it. 
-
+     [hr]
      Construct and open a basic_socket. 
-
+     [hr]
      Construct a basic_socket, opening it and binding it to the given local endpoint. 
-
+     [hr]
      Construct a basic_socket on an existing native socket. 
-
+     [hr]
      Move-construct a basic_socket from another. 
-
+     [hr]
      Move-construct a basic_socket from a socket of another protocol type. ]
   ]
   
@@ -21647,16 +24078,6 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_socket.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_socket.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_socket.get_option [*get_option]]]
     [Get an option from the socket. ]
@@ -21680,7 +24101,7 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
   [
     [[link asio.reference.basic_socket.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
@@ -21692,14 +24113,14 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
   [
     [[link asio.reference.basic_socket.native_non_blocking [*native_non_blocking]]]
     [Gets the non-blocking mode of the native socket implementation. 
-
+     [hr]
      Sets the non-blocking mode of the native socket implementation. ]
   ]
   
   [
     [[link asio.reference.basic_socket.non_blocking [*non_blocking]]]
     [Gets the non-blocking mode of the socket. 
-
+     [hr]
      Sets the non-blocking mode of the socket. ]
   ]
   
@@ -21711,7 +24132,7 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
   [
     [[link asio.reference.basic_socket.operator_eq_ [*operator=]]]
     [Move-assign a basic_socket from another. 
-
+     [hr]
      Move-assign a basic_socket from a socket of another protocol type. ]
   ]
   
@@ -21789,6 +24210,17 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
 
 ]
 
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_socket.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
 The [link asio.reference.basic_socket `basic_socket`] class template provides functionality that is common to both stream-oriented and datagram-oriented sockets.
 
 
@@ -22520,7 +24952,7 @@ This function opens the socket so that it will use the specified protocol.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    socket.open(asio::ip::tcp::v4());
 
 
@@ -22566,7 +24998,7 @@ This function opens the socket so that it will use the specified protocol.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    asio::error_code ec;
    socket.open(asio::ip::tcp::v4(), ec);
    if (ec)
@@ -22600,9 +25032,10 @@ Move-assign a [link asio.reference.basic_seq_packet_socket `basic_seq_packet_soc
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
-  enable_if< is_convertible< Protocol1, Protocol >::value, basic_seq_packet_socket >::type & ``[link asio.reference.basic_seq_packet_socket.operator_eq_.overload2 operator=]``(
-      basic_seq_packet_socket< Protocol1 > && other);
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  enable_if< is_convertible< Protocol1, Protocol >::value &&is_convertible< Executor1, Executor >::value, basic_seq_packet_socket & >::type ``[link asio.reference.basic_seq_packet_socket.operator_eq_.overload2 operator=]``(
+      basic_seq_packet_socket< Protocol1, Executor1 > && other);
   ``  [''''&raquo;''' [link asio.reference.basic_seq_packet_socket.operator_eq_.overload2 more...]]``
 
 
@@ -22631,7 +25064,7 @@ This assignment operator moves a sequenced packet socket from one object to anot
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_seq_packet_socket(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_seq_packet_socket(const executor_type&)` constructor. 
 
 
 
@@ -22647,9 +25080,10 @@ Move-assign a [link asio.reference.basic_seq_packet_socket `basic_seq_packet_soc
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
-  enable_if< is_convertible< Protocol1, Protocol >::value, basic_seq_packet_socket >::type & operator=(
-      basic_seq_packet_socket< Protocol1 > && other);
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  enable_if< is_convertible< Protocol1, Protocol >::value &&is_convertible< Executor1, Executor >::value, basic_seq_packet_socket & >::type operator=(
+      basic_seq_packet_socket< Protocol1, Executor1 > && other);
 
 
 This assignment operator moves a sequenced packet socket from one object to another.
@@ -22667,7 +25101,7 @@ This assignment operator moves a sequenced packet socket from one object to anot
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_seq_packet_socket(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_seq_packet_socket(const executor_type&)` constructor. 
 
 
 
@@ -22698,7 +25132,7 @@ Implements the SOL\_SOCKET/SO\_OOBINLINE socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::out_of_band_inline option(true);
    socket.set_option(option);
@@ -22709,7 +25143,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::out_of_band_inline option;
    socket.get_option(option);
@@ -22985,7 +25419,7 @@ Implements the SOL\_SOCKET/SO\_RCVBUF socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_buffer_size option(8192);
    socket.set_option(option);
@@ -22996,7 +25430,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_buffer_size option;
    socket.get_option(option);
@@ -23039,7 +25473,7 @@ Implements the SOL\_SOCKET/SO\_RCVLOWAT socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_low_watermark option(1024);
    socket.set_option(option);
@@ -23050,7 +25484,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_low_watermark option;
    socket.get_option(option);
@@ -23208,7 +25642,7 @@ An object that represents the remote endpoint of the socket.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::endpoint endpoint = socket.remote_endpoint();
 
@@ -23257,7 +25691,7 @@ An object that represents the remote endpoint of the socket. Returns a default-c
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::error_code ec;
    asio::ip::tcp::endpoint endpoint = socket.remote_endpoint(ec);
@@ -23298,7 +25732,7 @@ Implements the SOL\_SOCKET/SO\_REUSEADDR socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::reuse_address option(true);
    acceptor.set_option(option);
@@ -23309,7 +25743,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::reuse_address option;
    acceptor.get_option(option);
@@ -23481,7 +25915,7 @@ Implements the SOL\_SOCKET/SO\_SNDBUF socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_buffer_size option(8192);
    socket.set_option(option);
@@ -23492,7 +25926,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_buffer_size option;
    socket.get_option(option);
@@ -23535,7 +25969,7 @@ Implements the SOL\_SOCKET/SO\_SNDLOWAT socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_low_watermark option(1024);
    socket.set_option(option);
@@ -23546,7 +25980,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_low_watermark option;
    socket.get_option(option);
@@ -23631,7 +26065,7 @@ This function is used to set an option on the socket.
   
 Setting the IPPROTO\_TCP/TCP\_NODELAY option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::no_delay option(true);
    socket.set_option(option);
@@ -23682,7 +26116,7 @@ This function is used to set an option on the socket.
   
 Setting the IPPROTO\_TCP/TCP\_NODELAY option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::no_delay option(true);
    asio::error_code ec;
@@ -23759,7 +26193,7 @@ This function is used to disable send operations, receive operations, or both.
   
 Shutting down the send side of the socket: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    socket.shutdown(asio::ip::tcp::socket::shutdown_send);
 
@@ -23806,7 +26240,7 @@ This function is used to disable send operations, receive operations, or both.
   
 Shutting down the send side of the socket: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::error_code ec;
    socket.shutdown(asio::ip::tcp::socket::shutdown_send, ec);
@@ -23913,7 +26347,7 @@ This function is used to perform a blocking wait for a socket to enter a ready t
   
 Waiting for a socket to become readable. 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    socket.wait(asio::ip::tcp::socket::wait_read);
 
@@ -23960,7 +26394,7 @@ This function is used to perform a blocking wait for a socket to enter a ready t
   
 Waiting for a socket to become readable. 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::error_code ec;
    socket.wait(asio::ip::tcp::socket::wait_read, ec);
@@ -24036,6 +26470,3327 @@ This function destroys the socket, cancelling any outstanding asynchronous opera
 
 
 
+[endsect]
+
+[section:basic_seq_packet_socket__rebind_executor basic_seq_packet_socket::rebind_executor]
+
+
+Rebinds the socket type to another executor. 
+
+
+  template<
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  struct rebind_executor
+
+
+[heading Types]
+[table
+  [[Name][Description]]
+
+  [
+
+    [[link asio.reference.basic_seq_packet_socket__rebind_executor.other [*other]]]
+    [The socket type when rebound to the specified executor. ]
+  
+  ]
+
+]
+
+[heading Requirements]
+
+['Header: ][^asio/basic_seq_packet_socket.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[section:other basic_seq_packet_socket::rebind_executor::other]
+
+[indexterm2 asio.indexterm.basic_seq_packet_socket__rebind_executor.other..other..basic_seq_packet_socket::rebind_executor] 
+The socket type when rebound to the specified executor. 
+
+
+  typedef basic_seq_packet_socket< Protocol, Executor1 > other;
+
+
+[heading Types]
+[table
+  [[Name][Description]]
+
+  [
+
+    [[link asio.reference.basic_seq_packet_socket__rebind_executor [*rebind_executor]]]
+    [Rebinds the socket type to another executor. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_seq_packet_socket.broadcast [*broadcast]]]
+    [Socket option to permit sending of broadcast messages. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_seq_packet_socket.bytes_readable [*bytes_readable]]]
+    [IO control command to get the amount of data that can be read without blocking. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_seq_packet_socket.debug [*debug]]]
+    [Socket option to enable socket-level debugging. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_seq_packet_socket.do_not_route [*do_not_route]]]
+    [Socket option to prevent routing, use local interfaces only. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_seq_packet_socket.enable_connection_aborted [*enable_connection_aborted]]]
+    [Socket option to report aborted connections on accept. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_seq_packet_socket.endpoint_type [*endpoint_type]]]
+    [The endpoint type. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_seq_packet_socket.executor_type [*executor_type]]]
+    [The type of the executor associated with the object. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_seq_packet_socket.keep_alive [*keep_alive]]]
+    [Socket option to send keep-alives. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_seq_packet_socket.linger [*linger]]]
+    [Socket option to specify whether the socket lingers on close if unsent data is present. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_seq_packet_socket.lowest_layer_type [*lowest_layer_type]]]
+    [A basic_socket is always the lowest layer. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_seq_packet_socket.message_flags [*message_flags]]]
+    [Bitmask type for flags that can be passed to send and receive operations. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_seq_packet_socket.native_handle_type [*native_handle_type]]]
+    [The native representation of a socket. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_seq_packet_socket.out_of_band_inline [*out_of_band_inline]]]
+    [Socket option for putting received out-of-band data inline. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_seq_packet_socket.protocol_type [*protocol_type]]]
+    [The protocol type. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_seq_packet_socket.receive_buffer_size [*receive_buffer_size]]]
+    [Socket option for the receive buffer size of a socket. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_seq_packet_socket.receive_low_watermark [*receive_low_watermark]]]
+    [Socket option for the receive low watermark. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_seq_packet_socket.reuse_address [*reuse_address]]]
+    [Socket option to allow the socket to be bound to an address that is already in use. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_seq_packet_socket.send_buffer_size [*send_buffer_size]]]
+    [Socket option for the send buffer size of a socket. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_seq_packet_socket.send_low_watermark [*send_low_watermark]]]
+    [Socket option for the send low watermark. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_seq_packet_socket.shutdown_type [*shutdown_type]]]
+    [Different ways a socket may be shutdown. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_seq_packet_socket.wait_type [*wait_type]]]
+    [Wait types. ]
+  
+  ]
+
+]
+
+[heading Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_seq_packet_socket.assign [*assign]]]
+    [Assign an existing native socket to the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.async_connect [*async_connect]]]
+    [Start an asynchronous connect. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.async_receive [*async_receive]]]
+    [Start an asynchronous receive. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.async_send [*async_send]]]
+    [Start an asynchronous send. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.async_wait [*async_wait]]]
+    [Asynchronously wait for the socket to become ready to read, ready to write, or to have pending error conditions. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.at_mark [*at_mark]]]
+    [Determine whether the socket is at the out-of-band data mark. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.available [*available]]]
+    [Determine the number of bytes available for reading. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket [*basic_seq_packet_socket]]]
+    [Construct a basic_seq_packet_socket without opening it. 
+     [hr]
+     Construct and open a basic_seq_packet_socket. 
+     [hr]
+     Construct a basic_seq_packet_socket, opening it and binding it to the given local endpoint. 
+     [hr]
+     Construct a basic_seq_packet_socket on an existing native socket. 
+     [hr]
+     Move-construct a basic_seq_packet_socket from another. 
+     [hr]
+     Move-construct a basic_seq_packet_socket from a socket of another protocol type. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.bind [*bind]]]
+    [Bind the socket to the given local endpoint. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.cancel [*cancel]]]
+    [Cancel all asynchronous operations associated with the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.close [*close]]]
+    [Close the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.connect [*connect]]]
+    [Connect the socket to the specified endpoint. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.get_executor [*get_executor]]]
+    [Get the executor associated with the object. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.get_option [*get_option]]]
+    [Get an option from the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.io_control [*io_control]]]
+    [Perform an IO control command on the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.is_open [*is_open]]]
+    [Determine whether the socket is open. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.local_endpoint [*local_endpoint]]]
+    [Get the local endpoint of the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.lowest_layer [*lowest_layer]]]
+    [Get a reference to the lowest layer. 
+     [hr]
+     Get a const reference to the lowest layer. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.native_handle [*native_handle]]]
+    [Get the native socket representation. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.native_non_blocking [*native_non_blocking]]]
+    [Gets the non-blocking mode of the native socket implementation. 
+     [hr]
+     Sets the non-blocking mode of the native socket implementation. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.non_blocking [*non_blocking]]]
+    [Gets the non-blocking mode of the socket. 
+     [hr]
+     Sets the non-blocking mode of the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.open [*open]]]
+    [Open the socket using the specified protocol. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.operator_eq_ [*operator=]]]
+    [Move-assign a basic_seq_packet_socket from another. 
+     [hr]
+     Move-assign a basic_seq_packet_socket from a socket of another protocol type. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.receive [*receive]]]
+    [Receive some data on the socket. 
+     [hr]
+     Receive some data on a connected socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.release [*release]]]
+    [Release ownership of the underlying native socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.remote_endpoint [*remote_endpoint]]]
+    [Get the remote endpoint of the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.send [*send]]]
+    [Send some data on the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.set_option [*set_option]]]
+    [Set an option on the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.shutdown [*shutdown]]]
+    [Disable sends or receives on the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket.wait [*wait]]]
+    [Wait for the socket to become ready to read, ready to write, or to have pending error conditions. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_seq_packet_socket._basic_seq_packet_socket [*~basic_seq_packet_socket]]]
+    [Destroys the socket. ]
+  ]
+  
+]
+
+[heading Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_seq_packet_socket.max_connections [*max_connections]]]
+    [(Deprecated: Use max_listen_connections.) The maximum length of the queue of pending incoming connections. ]
+  ]
+
+  [
+    [[link asio.reference.basic_seq_packet_socket.max_listen_connections [*max_listen_connections]]]
+    [The maximum length of the queue of pending incoming connections. ]
+  ]
+
+  [
+    [[link asio.reference.basic_seq_packet_socket.message_do_not_route [*message_do_not_route]]]
+    [Specify that the data should not be subject to routing. ]
+  ]
+
+  [
+    [[link asio.reference.basic_seq_packet_socket.message_end_of_record [*message_end_of_record]]]
+    [Specifies that the data marks the end of a record. ]
+  ]
+
+  [
+    [[link asio.reference.basic_seq_packet_socket.message_out_of_band [*message_out_of_band]]]
+    [Process out-of-band data. ]
+  ]
+
+  [
+    [[link asio.reference.basic_seq_packet_socket.message_peek [*message_peek]]]
+    [Peek at incoming data without removing it from the input queue. ]
+  ]
+
+]
+
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_seq_packet_socket.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
+The [link asio.reference.basic_seq_packet_socket `basic_seq_packet_socket`] class template provides asynchronous and blocking sequenced packet socket functionality.
+
+
+[heading Thread Safety]
+  
+['Distinct] ['objects:] Safe.
+
+['Shared] ['objects:] Unsafe. 
+
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/basic_seq_packet_socket.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+
+[endsect]
+
+[section:basic_serial_port basic_serial_port]
+
+
+Provides serial port functionality. 
+
+
+  template<
+      typename ``[link asio.reference.Executor1 Executor]`` = executor>
+  class basic_serial_port :
+    public serial_port_base
+
+
+[heading Types]
+[table
+  [[Name][Description]]
+
+  [
+
+    [[link asio.reference.basic_serial_port.executor_type [*executor_type]]]
+    [The type of the executor associated with the object. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_serial_port.lowest_layer_type [*lowest_layer_type]]]
+    [A basic_basic_serial_port is always the lowest layer. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_serial_port.native_handle_type [*native_handle_type]]]
+    [The native representation of a serial port. ]
+  
+  ]
+
+]
+
+[heading Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_serial_port.assign [*assign]]]
+    [Assign an existing native serial port to the serial port. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.async_read_some [*async_read_some]]]
+    [Start an asynchronous read. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.async_write_some [*async_write_some]]]
+    [Start an asynchronous write. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.basic_serial_port [*basic_serial_port]]]
+    [Construct a basic_serial_port without opening it. 
+     [hr]
+     Construct and open a basic_serial_port. 
+     [hr]
+     Construct a basic_serial_port on an existing native serial port. 
+     [hr]
+     Move-construct a basic_serial_port from another. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.cancel [*cancel]]]
+    [Cancel all asynchronous operations associated with the serial port. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.close [*close]]]
+    [Close the serial port. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.get_executor [*get_executor]]]
+    [Get the executor associated with the object. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.get_option [*get_option]]]
+    [Get an option from the serial port. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.is_open [*is_open]]]
+    [Determine whether the serial port is open. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.lowest_layer [*lowest_layer]]]
+    [Get a reference to the lowest layer. 
+     [hr]
+     Get a const reference to the lowest layer. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.native_handle [*native_handle]]]
+    [Get the native serial port representation. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.open [*open]]]
+    [Open the serial port using the specified device name. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.operator_eq_ [*operator=]]]
+    [Move-assign a basic_serial_port from another. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.read_some [*read_some]]]
+    [Read some data from the serial port. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.send_break [*send_break]]]
+    [Send a break sequence to the serial port. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.set_option [*set_option]]]
+    [Set an option on the serial port. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.write_some [*write_some]]]
+    [Write some data to the serial port. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port._basic_serial_port [*~basic_serial_port]]]
+    [Destroys the serial port. ]
+  ]
+  
+]
+
+The [link asio.reference.basic_serial_port `basic_serial_port`] class provides a wrapper over serial port functionality.
+
+
+[heading Thread Safety]
+  
+['Distinct] ['objects:] Safe.
+
+['Shared] ['objects:] Unsafe. 
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/basic_serial_port.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+[section:assign basic_serial_port::assign]
+
+[indexterm2 asio.indexterm.basic_serial_port.assign..assign..basic_serial_port] 
+Assign an existing native serial port to the serial port. 
+
+
+  void ``[link asio.reference.basic_serial_port.assign.overload1 assign]``(
+      const native_handle_type & native_serial_port);
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.assign.overload1 more...]]``
+
+  void ``[link asio.reference.basic_serial_port.assign.overload2 assign]``(
+      const native_handle_type & native_serial_port,
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.assign.overload2 more...]]``
+
+
+[section:overload1 basic_serial_port::assign (1 of 2 overloads)]
+
+
+Assign an existing native serial port to the serial port. 
+
+
+  void assign(
+      const native_handle_type & native_serial_port);
+
+
+
+[endsect]
+
+
+
+[section:overload2 basic_serial_port::assign (2 of 2 overloads)]
+
+
+Assign an existing native serial port to the serial port. 
+
+
+  void assign(
+      const native_handle_type & native_serial_port,
+      asio::error_code & ec);
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:async_read_some basic_serial_port::async_read_some]
+
+[indexterm2 asio.indexterm.basic_serial_port.async_read_some..async_read_some..basic_serial_port] 
+Start an asynchronous read. 
+
+
+  template<
+      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``,
+      typename ``[link asio.reference.ReadHandler ReadHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_read_some(
+      const MutableBufferSequence & buffers,
+      ReadHandler && handler);
+
+
+This function is used to asynchronously read data from the serial port. The function call always returns immediately.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[buffers][One or more buffers into which the data will be read. Although the buffers object may be copied as necessary, ownership of the underlying memory blocks is retained by the caller, which must guarantee that they remain valid until the handler is called.]]
+
+[[handler][The handler to be called when the read operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
+``
+   void handler(
+     const asio::error_code& error, // Result of operation.
+     std::size_t bytes_transferred           // Number of bytes read.
+   ); 
+``
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
+
+]
+
+
+[heading Remarks]
+      
+The read operation may not read all of the requested number of bytes. Consider using the [link asio.reference.async_read `async_read`]  function if you need to ensure that the requested amount of data is read before the asynchronous operation completes.
+
+
+[heading Example]
+  
+To read into a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
+
+   basic_serial_port.async_read_some(
+       asio::buffer(data, size), handler);
+
+
+See the [link asio.reference.buffer `buffer`]  documentation for information on reading into multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
+
+
+
+
+[endsect]
+
+
+
+[section:async_write_some basic_serial_port::async_write_some]
+
+[indexterm2 asio.indexterm.basic_serial_port.async_write_some..async_write_some..basic_serial_port] 
+Start an asynchronous write. 
+
+
+  template<
+      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``,
+      typename ``[link asio.reference.WriteHandler WriteHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_write_some(
+      const ConstBufferSequence & buffers,
+      WriteHandler && handler);
+
+
+This function is used to asynchronously write data to the serial port. The function call always returns immediately.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[buffers][One or more data buffers to be written to the serial port. Although the buffers object may be copied as necessary, ownership of the underlying memory blocks is retained by the caller, which must guarantee that they remain valid until the handler is called.]]
+
+[[handler][The handler to be called when the write operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
+``
+   void handler(
+     const asio::error_code& error, // Result of operation.
+     std::size_t bytes_transferred           // Number of bytes written.
+   ); 
+``
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
+
+]
+
+
+[heading Remarks]
+      
+The write operation may not transmit all of the data to the peer. Consider using the [link asio.reference.async_write `async_write`]  function if you need to ensure that all data is written before the asynchronous operation completes.
+
+
+[heading Example]
+  
+To write a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
+
+   basic_serial_port.async_write_some(
+       asio::buffer(data, size), handler);
+
+
+See the [link asio.reference.buffer `buffer`]  documentation for information on writing multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
+
+
+
+
+[endsect]
+
+
+[section:basic_serial_port basic_serial_port::basic_serial_port]
+
+[indexterm2 asio.indexterm.basic_serial_port.basic_serial_port..basic_serial_port..basic_serial_port] 
+Construct a [link asio.reference.basic_serial_port `basic_serial_port`] without opening it. 
+
+
+  explicit ``[link asio.reference.basic_serial_port.basic_serial_port.overload1 basic_serial_port]``(
+      const executor_type & ex);
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.basic_serial_port.overload1 more...]]``
+
+  template<
+      typename ExecutionContext>
+  explicit ``[link asio.reference.basic_serial_port.basic_serial_port.overload2 basic_serial_port]``(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value, basic_serial_port >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.basic_serial_port.overload2 more...]]``
+
+
+Construct and open a [link asio.reference.basic_serial_port `basic_serial_port`]. 
+
+
+  ``[link asio.reference.basic_serial_port.basic_serial_port.overload3 basic_serial_port]``(
+      const executor_type & ex,
+      const char * device);
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.basic_serial_port.overload3 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_serial_port.basic_serial_port.overload4 basic_serial_port]``(
+      ExecutionContext & context,
+      const char * device,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.basic_serial_port.overload4 more...]]``
+
+  ``[link asio.reference.basic_serial_port.basic_serial_port.overload5 basic_serial_port]``(
+      const executor_type & ex,
+      const std::string & device);
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.basic_serial_port.overload5 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_serial_port.basic_serial_port.overload6 basic_serial_port]``(
+      ExecutionContext & context,
+      const std::string & device,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.basic_serial_port.overload6 more...]]``
+
+
+Construct a [link asio.reference.basic_serial_port `basic_serial_port`] on an existing native serial port. 
+
+
+  ``[link asio.reference.basic_serial_port.basic_serial_port.overload7 basic_serial_port]``(
+      const executor_type & ex,
+      const native_handle_type & native_serial_port);
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.basic_serial_port.overload7 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_serial_port.basic_serial_port.overload8 basic_serial_port]``(
+      ExecutionContext & context,
+      const native_handle_type & native_serial_port,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.basic_serial_port.overload8 more...]]``
+
+
+Move-construct a [link asio.reference.basic_serial_port `basic_serial_port`] from another. 
+
+
+  ``[link asio.reference.basic_serial_port.basic_serial_port.overload9 basic_serial_port]``(
+      basic_serial_port && other);
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.basic_serial_port.overload9 more...]]``
+
+
+[section:overload1 basic_serial_port::basic_serial_port (1 of 9 overloads)]
+
+
+Construct a [link asio.reference.basic_serial_port `basic_serial_port`] without opening it. 
+
+
+  basic_serial_port(
+      const executor_type & ex);
+
+
+This constructor creates a serial port without opening it.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ex][The I/O executor that the serial port will use, by default, to dispatch handlers for any asynchronous operations performed on the serial port. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 basic_serial_port::basic_serial_port (2 of 9 overloads)]
+
+
+Construct a [link asio.reference.basic_serial_port `basic_serial_port`] without opening it. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_serial_port(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value, basic_serial_port >::type *  = 0);
+
+
+This constructor creates a serial port without opening it.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the serial port will use, by default, to dispatch handlers for any asynchronous operations performed on the serial port. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload3 basic_serial_port::basic_serial_port (3 of 9 overloads)]
+
+
+Construct and open a [link asio.reference.basic_serial_port `basic_serial_port`]. 
+
+
+  basic_serial_port(
+      const executor_type & ex,
+      const char * device);
+
+
+This constructor creates and opens a serial port for the specified device name.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ex][The I/O executor that the serial port will use, by default, to dispatch handlers for any asynchronous operations performed on the serial port.]]
+
+[[device][The platform-specific device name for this serial port. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload4 basic_serial_port::basic_serial_port (4 of 9 overloads)]
+
+
+Construct and open a [link asio.reference.basic_serial_port `basic_serial_port`]. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_serial_port(
+      ExecutionContext & context,
+      const char * device,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates and opens a serial port for the specified device name.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the serial port will use, by default, to dispatch handlers for any asynchronous operations performed on the serial port.]]
+
+[[device][The platform-specific device name for this serial port. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload5 basic_serial_port::basic_serial_port (5 of 9 overloads)]
+
+
+Construct and open a [link asio.reference.basic_serial_port `basic_serial_port`]. 
+
+
+  basic_serial_port(
+      const executor_type & ex,
+      const std::string & device);
+
+
+This constructor creates and opens a serial port for the specified device name.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ex][The I/O executor that the serial port will use, by default, to dispatch handlers for any asynchronous operations performed on the serial port.]]
+
+[[device][The platform-specific device name for this serial port. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload6 basic_serial_port::basic_serial_port (6 of 9 overloads)]
+
+
+Construct and open a [link asio.reference.basic_serial_port `basic_serial_port`]. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_serial_port(
+      ExecutionContext & context,
+      const std::string & device,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates and opens a serial port for the specified device name.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the serial port will use, by default, to dispatch handlers for any asynchronous operations performed on the serial port.]]
+
+[[device][The platform-specific device name for this serial port. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload7 basic_serial_port::basic_serial_port (7 of 9 overloads)]
+
+
+Construct a [link asio.reference.basic_serial_port `basic_serial_port`] on an existing native serial port. 
+
+
+  basic_serial_port(
+      const executor_type & ex,
+      const native_handle_type & native_serial_port);
+
+
+This constructor creates a serial port object to hold an existing native serial port.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ex][The I/O executor that the serial port will use, by default, to dispatch handlers for any asynchronous operations performed on the serial port.]]
+
+[[native_serial_port][A native serial port.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload8 basic_serial_port::basic_serial_port (8 of 9 overloads)]
+
+
+Construct a [link asio.reference.basic_serial_port `basic_serial_port`] on an existing native serial port. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_serial_port(
+      ExecutionContext & context,
+      const native_handle_type & native_serial_port,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a serial port object to hold an existing native serial port.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the serial port will use, by default, to dispatch handlers for any asynchronous operations performed on the serial port.]]
+
+[[native_serial_port][A native serial port.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload9 basic_serial_port::basic_serial_port (9 of 9 overloads)]
+
+
+Move-construct a [link asio.reference.basic_serial_port `basic_serial_port`] from another. 
+
+
+  basic_serial_port(
+      basic_serial_port && other);
+
+
+This constructor moves a serial port from one object to another.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[other][The other [link asio.reference.basic_serial_port `basic_serial_port`] object from which the move will occur.]]
+
+]
+
+
+[heading Remarks]
+      
+Following the move, the moved-from object is in the same state as if constructed using the `basic_serial_port(const executor_type&)` constructor. 
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+[section:cancel basic_serial_port::cancel]
+
+[indexterm2 asio.indexterm.basic_serial_port.cancel..cancel..basic_serial_port] 
+Cancel all asynchronous operations associated with the serial port. 
+
+
+  void ``[link asio.reference.basic_serial_port.cancel.overload1 cancel]``();
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.cancel.overload1 more...]]``
+
+  void ``[link asio.reference.basic_serial_port.cancel.overload2 cancel]``(
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.cancel.overload2 more...]]``
+
+
+[section:overload1 basic_serial_port::cancel (1 of 2 overloads)]
+
+
+Cancel all asynchronous operations associated with the serial port. 
+
+
+  void cancel();
+
+
+This function causes all outstanding asynchronous read or write operations to finish immediately, and the handlers for cancelled operations will be passed the `asio::error::operation_aborted` error.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 basic_serial_port::cancel (2 of 2 overloads)]
+
+
+Cancel all asynchronous operations associated with the serial port. 
+
+
+  void cancel(
+      asio::error_code & ec);
+
+
+This function causes all outstanding asynchronous read or write operations to finish immediately, and the handlers for cancelled operations will be passed the `asio::error::operation_aborted` error.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ec][Set to indicate what error occurred, if any. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+[section:close basic_serial_port::close]
+
+[indexterm2 asio.indexterm.basic_serial_port.close..close..basic_serial_port] 
+Close the serial port. 
+
+
+  void ``[link asio.reference.basic_serial_port.close.overload1 close]``();
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.close.overload1 more...]]``
+
+  void ``[link asio.reference.basic_serial_port.close.overload2 close]``(
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.close.overload2 more...]]``
+
+
+[section:overload1 basic_serial_port::close (1 of 2 overloads)]
+
+
+Close the serial port. 
+
+
+  void close();
+
+
+This function is used to close the serial port. Any asynchronous read or write operations will be cancelled immediately, and will complete with the `asio::error::operation_aborted` error.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 basic_serial_port::close (2 of 2 overloads)]
+
+
+Close the serial port. 
+
+
+  void close(
+      asio::error_code & ec);
+
+
+This function is used to close the serial port. Any asynchronous read or write operations will be cancelled immediately, and will complete with the `asio::error::operation_aborted` error.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ec][Set to indicate what error occurred, if any. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:executor_type basic_serial_port::executor_type]
+
+[indexterm2 asio.indexterm.basic_serial_port.executor_type..executor_type..basic_serial_port] 
+The type of the executor associated with the object. 
+
+
+  typedef Executor executor_type;
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/basic_serial_port.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+
+[section:get_executor basic_serial_port::get_executor]
+
+[indexterm2 asio.indexterm.basic_serial_port.get_executor..get_executor..basic_serial_port] 
+Get the executor associated with the object. 
+
+
+  executor_type get_executor();
+
+
+
+[endsect]
+
+
+[section:get_option basic_serial_port::get_option]
+
+[indexterm2 asio.indexterm.basic_serial_port.get_option..get_option..basic_serial_port] 
+Get an option from the serial port. 
+
+
+  template<
+      typename ``[link asio.reference.GettableSerialPortOption GettableSerialPortOption]``>
+  void ``[link asio.reference.basic_serial_port.get_option.overload1 get_option]``(
+      GettableSerialPortOption & option);
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.get_option.overload1 more...]]``
+
+  template<
+      typename ``[link asio.reference.GettableSerialPortOption GettableSerialPortOption]``>
+  void ``[link asio.reference.basic_serial_port.get_option.overload2 get_option]``(
+      GettableSerialPortOption & option,
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.get_option.overload2 more...]]``
+
+
+[section:overload1 basic_serial_port::get_option (1 of 2 overloads)]
+
+
+Get an option from the serial port. 
+
+
+  template<
+      typename ``[link asio.reference.GettableSerialPortOption GettableSerialPortOption]``>
+  void get_option(
+      GettableSerialPortOption & option);
+
+
+This function is used to get the current value of an option on the serial port.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[option][The option value to be obtained from the serial port.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure.]]
+
+]
+
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 basic_serial_port::get_option (2 of 2 overloads)]
+
+
+Get an option from the serial port. 
+
+
+  template<
+      typename ``[link asio.reference.GettableSerialPortOption GettableSerialPortOption]``>
+  void get_option(
+      GettableSerialPortOption & option,
+      asio::error_code & ec);
+
+
+This function is used to get the current value of an option on the serial port.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[option][The option value to be obtained from the serial port.]]
+
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:is_open basic_serial_port::is_open]
+
+[indexterm2 asio.indexterm.basic_serial_port.is_open..is_open..basic_serial_port] 
+Determine whether the serial port is open. 
+
+
+  bool is_open() const;
+
+
+
+[endsect]
+
+
+[section:lowest_layer basic_serial_port::lowest_layer]
+
+[indexterm2 asio.indexterm.basic_serial_port.lowest_layer..lowest_layer..basic_serial_port] 
+Get a reference to the lowest layer. 
+
+
+  lowest_layer_type & ``[link asio.reference.basic_serial_port.lowest_layer.overload1 lowest_layer]``();
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.lowest_layer.overload1 more...]]``
+
+
+Get a const reference to the lowest layer. 
+
+
+  const lowest_layer_type & ``[link asio.reference.basic_serial_port.lowest_layer.overload2 lowest_layer]``() const;
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.lowest_layer.overload2 more...]]``
+
+
+[section:overload1 basic_serial_port::lowest_layer (1 of 2 overloads)]
+
+
+Get a reference to the lowest layer. 
+
+
+  lowest_layer_type & lowest_layer();
+
+
+This function returns a reference to the lowest layer in a stack of layers. Since a [link asio.reference.basic_serial_port `basic_serial_port`] cannot contain any further layers, it simply returns a reference to itself.
+
+
+[heading Return Value]
+      
+A reference to the lowest layer in the stack of layers. Ownership is not transferred to the caller. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 basic_serial_port::lowest_layer (2 of 2 overloads)]
+
+
+Get a const reference to the lowest layer. 
+
+
+  const lowest_layer_type & lowest_layer() const;
+
+
+This function returns a const reference to the lowest layer in a stack of layers. Since a [link asio.reference.basic_serial_port `basic_serial_port`] cannot contain any further layers, it simply returns a reference to itself.
+
+
+[heading Return Value]
+      
+A const reference to the lowest layer in the stack of layers. Ownership is not transferred to the caller. 
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:lowest_layer_type basic_serial_port::lowest_layer_type]
+
+[indexterm2 asio.indexterm.basic_serial_port.lowest_layer_type..lowest_layer_type..basic_serial_port] 
+A basic\_basic\_serial\_port is always the lowest layer. 
+
+
+  typedef basic_serial_port lowest_layer_type;
+
+
+[heading Types]
+[table
+  [[Name][Description]]
+
+  [
+
+    [[link asio.reference.basic_serial_port.executor_type [*executor_type]]]
+    [The type of the executor associated with the object. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_serial_port.lowest_layer_type [*lowest_layer_type]]]
+    [A basic_basic_serial_port is always the lowest layer. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_serial_port.native_handle_type [*native_handle_type]]]
+    [The native representation of a serial port. ]
+  
+  ]
+
+]
+
+[heading Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_serial_port.assign [*assign]]]
+    [Assign an existing native serial port to the serial port. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.async_read_some [*async_read_some]]]
+    [Start an asynchronous read. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.async_write_some [*async_write_some]]]
+    [Start an asynchronous write. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.basic_serial_port [*basic_serial_port]]]
+    [Construct a basic_serial_port without opening it. 
+     [hr]
+     Construct and open a basic_serial_port. 
+     [hr]
+     Construct a basic_serial_port on an existing native serial port. 
+     [hr]
+     Move-construct a basic_serial_port from another. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.cancel [*cancel]]]
+    [Cancel all asynchronous operations associated with the serial port. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.close [*close]]]
+    [Close the serial port. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.get_executor [*get_executor]]]
+    [Get the executor associated with the object. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.get_option [*get_option]]]
+    [Get an option from the serial port. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.is_open [*is_open]]]
+    [Determine whether the serial port is open. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.lowest_layer [*lowest_layer]]]
+    [Get a reference to the lowest layer. 
+     [hr]
+     Get a const reference to the lowest layer. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.native_handle [*native_handle]]]
+    [Get the native serial port representation. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.open [*open]]]
+    [Open the serial port using the specified device name. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.operator_eq_ [*operator=]]]
+    [Move-assign a basic_serial_port from another. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.read_some [*read_some]]]
+    [Read some data from the serial port. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.send_break [*send_break]]]
+    [Send a break sequence to the serial port. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.set_option [*set_option]]]
+    [Set an option on the serial port. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.write_some [*write_some]]]
+    [Write some data to the serial port. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port._basic_serial_port [*~basic_serial_port]]]
+    [Destroys the serial port. ]
+  ]
+  
+]
+
+The [link asio.reference.basic_serial_port `basic_serial_port`] class provides a wrapper over serial port functionality.
+
+
+[heading Thread Safety]
+  
+['Distinct] ['objects:] Safe.
+
+['Shared] ['objects:] Unsafe. 
+
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/basic_serial_port.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+
+[section:native_handle basic_serial_port::native_handle]
+
+[indexterm2 asio.indexterm.basic_serial_port.native_handle..native_handle..basic_serial_port] 
+Get the native serial port representation. 
+
+
+  native_handle_type native_handle();
+
+
+This function may be used to obtain the underlying representation of the serial port. This is intended to allow access to native serial port functionality that is not otherwise provided. 
+
+
+[endsect]
+
+
+
+[section:native_handle_type basic_serial_port::native_handle_type]
+
+[indexterm2 asio.indexterm.basic_serial_port.native_handle_type..native_handle_type..basic_serial_port] 
+The native representation of a serial port. 
+
+
+  typedef implementation_defined native_handle_type;
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/basic_serial_port.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+[section:open basic_serial_port::open]
+
+[indexterm2 asio.indexterm.basic_serial_port.open..open..basic_serial_port] 
+Open the serial port using the specified device name. 
+
+
+  void ``[link asio.reference.basic_serial_port.open.overload1 open]``(
+      const std::string & device);
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.open.overload1 more...]]``
+
+  void ``[link asio.reference.basic_serial_port.open.overload2 open]``(
+      const std::string & device,
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.open.overload2 more...]]``
+
+
+[section:overload1 basic_serial_port::open (1 of 2 overloads)]
+
+
+Open the serial port using the specified device name. 
+
+
+  void open(
+      const std::string & device);
+
+
+This function opens the serial port for the specified device name.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[device][The platform-specific device name.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 basic_serial_port::open (2 of 2 overloads)]
+
+
+Open the serial port using the specified device name. 
+
+
+  void open(
+      const std::string & device,
+      asio::error_code & ec);
+
+
+This function opens the serial port using the given platform-specific device name.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[device][The platform-specific device name.]]
+
+[[ec][Set the indicate what error occurred, if any. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:operator_eq_ basic_serial_port::operator=]
+
+[indexterm2 asio.indexterm.basic_serial_port.operator_eq_..operator=..basic_serial_port] 
+Move-assign a [link asio.reference.basic_serial_port `basic_serial_port`] from another. 
+
+
+  basic_serial_port & operator=(
+      basic_serial_port && other);
+
+
+This assignment operator moves a serial port from one object to another.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[other][The other [link asio.reference.basic_serial_port `basic_serial_port`] object from which the move will occur.]]
+
+]
+
+
+[heading Remarks]
+      
+Following the move, the moved-from object is in the same state as if constructed using the `basic_serial_port(const executor_type&)` constructor. 
+
+
+
+
+[endsect]
+
+
+[section:read_some basic_serial_port::read_some]
+
+[indexterm2 asio.indexterm.basic_serial_port.read_some..read_some..basic_serial_port] 
+Read some data from the serial port. 
+
+
+  template<
+      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
+  std::size_t ``[link asio.reference.basic_serial_port.read_some.overload1 read_some]``(
+      const MutableBufferSequence & buffers);
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.read_some.overload1 more...]]``
+
+  template<
+      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
+  std::size_t ``[link asio.reference.basic_serial_port.read_some.overload2 read_some]``(
+      const MutableBufferSequence & buffers,
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.read_some.overload2 more...]]``
+
+
+[section:overload1 basic_serial_port::read_some (1 of 2 overloads)]
+
+
+Read some data from the serial port. 
+
+
+  template<
+      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
+  std::size_t read_some(
+      const MutableBufferSequence & buffers);
+
+
+This function is used to read data from the serial port. The function call will block until one or more bytes of data has been read successfully, or until an error occurs.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[buffers][One or more buffers into which the data will be read.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes read.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. An error code of `asio::error::eof` indicates that the connection was closed by the peer.]]
+
+]
+
+
+[heading Remarks]
+      
+The read\_some operation may not read all of the requested number of bytes. Consider using the [link asio.reference.read `read`]  function if you need to ensure that the requested amount of data is read before the blocking operation completes.
+
+
+[heading Example]
+  
+To read into a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
+
+   basic_serial_port.read_some(asio::buffer(data, size));
+
+
+See the [link asio.reference.buffer `buffer`]  documentation for information on reading into multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 basic_serial_port::read_some (2 of 2 overloads)]
+
+
+Read some data from the serial port. 
+
+
+  template<
+      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
+  std::size_t read_some(
+      const MutableBufferSequence & buffers,
+      asio::error_code & ec);
+
+
+This function is used to read data from the serial port. The function call will block until one or more bytes of data has been read successfully, or until an error occurs.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[buffers][One or more buffers into which the data will be read.]]
+
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes read. Returns 0 if an error occurred.
+
+
+[heading Remarks]
+      
+The read\_some operation may not read all of the requested number of bytes. Consider using the [link asio.reference.read `read`]  function if you need to ensure that the requested amount of data is read before the blocking operation completes. 
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+[section:send_break basic_serial_port::send_break]
+
+[indexterm2 asio.indexterm.basic_serial_port.send_break..send_break..basic_serial_port] 
+Send a break sequence to the serial port. 
+
+
+  void ``[link asio.reference.basic_serial_port.send_break.overload1 send_break]``();
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.send_break.overload1 more...]]``
+
+  void ``[link asio.reference.basic_serial_port.send_break.overload2 send_break]``(
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.send_break.overload2 more...]]``
+
+
+[section:overload1 basic_serial_port::send_break (1 of 2 overloads)]
+
+
+Send a break sequence to the serial port. 
+
+
+  void send_break();
+
+
+This function causes a break sequence of platform-specific duration to be sent out the serial port.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 basic_serial_port::send_break (2 of 2 overloads)]
+
+
+Send a break sequence to the serial port. 
+
+
+  void send_break(
+      asio::error_code & ec);
+
+
+This function causes a break sequence of platform-specific duration to be sent out the serial port.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ec][Set to indicate what error occurred, if any. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+[section:set_option basic_serial_port::set_option]
+
+[indexterm2 asio.indexterm.basic_serial_port.set_option..set_option..basic_serial_port] 
+Set an option on the serial port. 
+
+
+  template<
+      typename ``[link asio.reference.SettableSerialPortOption SettableSerialPortOption]``>
+  void ``[link asio.reference.basic_serial_port.set_option.overload1 set_option]``(
+      const SettableSerialPortOption & option);
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.set_option.overload1 more...]]``
+
+  template<
+      typename ``[link asio.reference.SettableSerialPortOption SettableSerialPortOption]``>
+  void ``[link asio.reference.basic_serial_port.set_option.overload2 set_option]``(
+      const SettableSerialPortOption & option,
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.set_option.overload2 more...]]``
+
+
+[section:overload1 basic_serial_port::set_option (1 of 2 overloads)]
+
+
+Set an option on the serial port. 
+
+
+  template<
+      typename ``[link asio.reference.SettableSerialPortOption SettableSerialPortOption]``>
+  void set_option(
+      const SettableSerialPortOption & option);
+
+
+This function is used to set an option on the serial port.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[option][The option value to be set on the serial port.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure.]]
+
+]
+
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 basic_serial_port::set_option (2 of 2 overloads)]
+
+
+Set an option on the serial port. 
+
+
+  template<
+      typename ``[link asio.reference.SettableSerialPortOption SettableSerialPortOption]``>
+  void set_option(
+      const SettableSerialPortOption & option,
+      asio::error_code & ec);
+
+
+This function is used to set an option on the serial port.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[option][The option value to be set on the serial port.]]
+
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+[section:write_some basic_serial_port::write_some]
+
+[indexterm2 asio.indexterm.basic_serial_port.write_some..write_some..basic_serial_port] 
+Write some data to the serial port. 
+
+
+  template<
+      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
+  std::size_t ``[link asio.reference.basic_serial_port.write_some.overload1 write_some]``(
+      const ConstBufferSequence & buffers);
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.write_some.overload1 more...]]``
+
+  template<
+      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
+  std::size_t ``[link asio.reference.basic_serial_port.write_some.overload2 write_some]``(
+      const ConstBufferSequence & buffers,
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.basic_serial_port.write_some.overload2 more...]]``
+
+
+[section:overload1 basic_serial_port::write_some (1 of 2 overloads)]
+
+
+Write some data to the serial port. 
+
+
+  template<
+      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
+  std::size_t write_some(
+      const ConstBufferSequence & buffers);
+
+
+This function is used to write data to the serial port. The function call will block until one or more bytes of the data has been written successfully, or until an error occurs.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[buffers][One or more data buffers to be written to the serial port.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes written.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. An error code of `asio::error::eof` indicates that the connection was closed by the peer.]]
+
+]
+
+
+[heading Remarks]
+      
+The write\_some operation may not transmit all of the data to the peer. Consider using the [link asio.reference.write `write`]  function if you need to ensure that all data is written before the blocking operation completes.
+
+
+[heading Example]
+  
+To write a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
+
+   basic_serial_port.write_some(asio::buffer(data, size));
+
+
+See the [link asio.reference.buffer `buffer`]  documentation for information on writing multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 basic_serial_port::write_some (2 of 2 overloads)]
+
+
+Write some data to the serial port. 
+
+
+  template<
+      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
+  std::size_t write_some(
+      const ConstBufferSequence & buffers,
+      asio::error_code & ec);
+
+
+This function is used to write data to the serial port. The function call will block until one or more bytes of the data has been written successfully, or until an error occurs.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[buffers][One or more data buffers to be written to the serial port.]]
+
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes written. Returns 0 if an error occurred.
+
+
+[heading Remarks]
+      
+The write\_some operation may not transmit all of the data to the peer. Consider using the [link asio.reference.write `write`]  function if you need to ensure that all data is written before the blocking operation completes. 
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:_basic_serial_port basic_serial_port::~basic_serial_port]
+
+[indexterm2 asio.indexterm.basic_serial_port._basic_serial_port..~basic_serial_port..basic_serial_port] 
+Destroys the serial port. 
+
+
+  ~basic_serial_port();
+
+
+This function destroys the serial port, cancelling any outstanding asynchronous wait operations associated with the serial port as if by calling `cancel`. 
+
+
+[endsect]
+
+
+
+[endsect]
+
+[section:basic_signal_set basic_signal_set]
+
+
+Provides signal functionality. 
+
+
+  template<
+      typename ``[link asio.reference.Executor1 Executor]`` = executor>
+  class basic_signal_set
+
+
+[heading Types]
+[table
+  [[Name][Description]]
+
+  [
+
+    [[link asio.reference.basic_signal_set.executor_type [*executor_type]]]
+    [The type of the executor associated with the object. ]
+  
+  ]
+
+]
+
+[heading Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_signal_set.add [*add]]]
+    [Add a signal to a signal_set. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_signal_set.async_wait [*async_wait]]]
+    [Start an asynchronous operation to wait for a signal to be delivered. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_signal_set.basic_signal_set [*basic_signal_set]]]
+    [Construct a signal set without adding any signals. 
+     [hr]
+     Construct a signal set and add one signal. 
+     [hr]
+     Construct a signal set and add two signals. 
+     [hr]
+     Construct a signal set and add three signals. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_signal_set.cancel [*cancel]]]
+    [Cancel all operations associated with the signal set. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_signal_set.clear [*clear]]]
+    [Remove all signals from a signal_set. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_signal_set.get_executor [*get_executor]]]
+    [Get the executor associated with the object. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_signal_set.remove [*remove]]]
+    [Remove a signal from a signal_set. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_signal_set._basic_signal_set [*~basic_signal_set]]]
+    [Destroys the signal set. ]
+  ]
+  
+]
+
+The [link asio.reference.basic_signal_set `basic_signal_set`] class provides the ability to perform an asynchronous wait for one or more signals to occur.
+
+
+[heading Thread Safety]
+  
+['Distinct] ['objects:] Safe.
+
+['Shared] ['objects:] Unsafe.
+
+
+[heading Example]
+  
+Performing an asynchronous wait: 
+
+   void handler(
+       const asio::error_code& error,
+       int signal_number)
+   {
+     if (!error)
+     {
+       // A signal occurred.
+     }
+   }
+
+   ...
+
+   // Construct a signal set registered for process termination.
+   asio::signal_set signals(my_context, SIGINT, SIGTERM);
+
+   // Start an asynchronous wait for one of the signals to occur.
+   signals.async_wait(handler);
+
+
+
+
+
+[heading Queueing of signal notifications]
+  
+
+
+If a signal is registered with a signal\_set, and the signal occurs when there are no waiting handlers, then the signal notification is queued. The next async\_wait operation on that signal\_set will dequeue the notification. If multiple notifications are queued, subsequent async\_wait operations dequeue them one at a time. Signal notifications are dequeued in order of ascending signal number.
+
+If a signal number is removed from a signal\_set (using the `remove` or `erase` member functions) then any queued notifications for that signal are discarded.
+
+
+[heading Multiple registration of signals]
+  
+
+
+The same signal number may be registered with different signal\_set objects. When the signal occurs, one handler is called for each signal\_set object.
+
+Note that multiple registration only works for signals that are registered using Asio. The application must not also register a signal handler using functions such as `signal()` or `sigaction()`.
+
+
+[heading Signal masking on POSIX platforms]
+  
+
+
+POSIX allows signals to be blocked using functions such as `sigprocmask()` and `pthread_sigmask()`. For signals to be delivered, programs must ensure that any signals registered using signal\_set objects are unblocked in at least one thread. 
+
+[heading Requirements]
+
+['Header: ][^asio/basic_signal_set.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+[section:add basic_signal_set::add]
+
+[indexterm2 asio.indexterm.basic_signal_set.add..add..basic_signal_set] 
+Add a signal to a signal\_set. 
+
+
+  void ``[link asio.reference.basic_signal_set.add.overload1 add]``(
+      int signal_number);
+  ``  [''''&raquo;''' [link asio.reference.basic_signal_set.add.overload1 more...]]``
+
+  void ``[link asio.reference.basic_signal_set.add.overload2 add]``(
+      int signal_number,
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.basic_signal_set.add.overload2 more...]]``
+
+
+[section:overload1 basic_signal_set::add (1 of 2 overloads)]
+
+
+Add a signal to a signal\_set. 
+
+
+  void add(
+      int signal_number);
+
+
+This function adds the specified signal to the set. It has no effect if the signal is already in the set.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[signal_number][The signal to be added to the set.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 basic_signal_set::add (2 of 2 overloads)]
+
+
+Add a signal to a signal\_set. 
+
+
+  void add(
+      int signal_number,
+      asio::error_code & ec);
+
+
+This function adds the specified signal to the set. It has no effect if the signal is already in the set.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[signal_number][The signal to be added to the set.]]
+
+[[ec][Set to indicate what error occurred, if any. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:async_wait basic_signal_set::async_wait]
+
+[indexterm2 asio.indexterm.basic_signal_set.async_wait..async_wait..basic_signal_set] 
+Start an asynchronous operation to wait for a signal to be delivered. 
+
+
+  template<
+      typename ``[link asio.reference.SignalHandler SignalHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_wait(
+      SignalHandler && handler);
+
+
+This function may be used to initiate an asynchronous wait against the signal set. It always returns immediately.
+
+For each call to `async_wait()`, the supplied handler will be called exactly once. The handler will be called when:
+
+
+* One of the registered signals in the signal set occurs; or
+
+
+* The signal set was cancelled, in which case the handler is passed the error code `asio::error::operation_aborted`.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[handler][The handler to be called when the signal occurs. Copies will be made of the handler as required. The function signature of the handler must be: 
+``
+   void handler(
+     const asio::error_code& error, // Result of operation.
+     int signal_number // Indicates which signal occurred.
+   ); 
+``
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`]. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+[section:basic_signal_set basic_signal_set::basic_signal_set]
+
+[indexterm2 asio.indexterm.basic_signal_set.basic_signal_set..basic_signal_set..basic_signal_set] 
+Construct a signal set without adding any signals. 
+
+
+  explicit ``[link asio.reference.basic_signal_set.basic_signal_set.overload1 basic_signal_set]``(
+      const executor_type & ex);
+  ``  [''''&raquo;''' [link asio.reference.basic_signal_set.basic_signal_set.overload1 more...]]``
+
+  template<
+      typename ExecutionContext>
+  explicit ``[link asio.reference.basic_signal_set.basic_signal_set.overload2 basic_signal_set]``(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_signal_set.basic_signal_set.overload2 more...]]``
+
+
+Construct a signal set and add one signal. 
+
+
+  ``[link asio.reference.basic_signal_set.basic_signal_set.overload3 basic_signal_set]``(
+      const executor_type & ex,
+      int signal_number_1);
+  ``  [''''&raquo;''' [link asio.reference.basic_signal_set.basic_signal_set.overload3 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_signal_set.basic_signal_set.overload4 basic_signal_set]``(
+      ExecutionContext & context,
+      int signal_number_1,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_signal_set.basic_signal_set.overload4 more...]]``
+
+
+Construct a signal set and add two signals. 
+
+
+  ``[link asio.reference.basic_signal_set.basic_signal_set.overload5 basic_signal_set]``(
+      const executor_type & ex,
+      int signal_number_1,
+      int signal_number_2);
+  ``  [''''&raquo;''' [link asio.reference.basic_signal_set.basic_signal_set.overload5 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_signal_set.basic_signal_set.overload6 basic_signal_set]``(
+      ExecutionContext & context,
+      int signal_number_1,
+      int signal_number_2,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_signal_set.basic_signal_set.overload6 more...]]``
+
+
+Construct a signal set and add three signals. 
+
+
+  ``[link asio.reference.basic_signal_set.basic_signal_set.overload7 basic_signal_set]``(
+      const executor_type & ex,
+      int signal_number_1,
+      int signal_number_2,
+      int signal_number_3);
+  ``  [''''&raquo;''' [link asio.reference.basic_signal_set.basic_signal_set.overload7 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_signal_set.basic_signal_set.overload8 basic_signal_set]``(
+      ExecutionContext & context,
+      int signal_number_1,
+      int signal_number_2,
+      int signal_number_3,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_signal_set.basic_signal_set.overload8 more...]]``
+
+
+[section:overload1 basic_signal_set::basic_signal_set (1 of 8 overloads)]
+
+
+Construct a signal set without adding any signals. 
+
+
+  basic_signal_set(
+      const executor_type & ex);
+
+
+This constructor creates a signal set without registering for any signals.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ex][The I/O executor that the signal set will use, by default, to dispatch handlers for any asynchronous operations performed on the signal set. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 basic_signal_set::basic_signal_set (2 of 8 overloads)]
+
+
+Construct a signal set without adding any signals. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_signal_set(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a signal set without registering for any signals.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the signal set will use, by default, to dispatch handlers for any asynchronous operations performed on the signal set. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload3 basic_signal_set::basic_signal_set (3 of 8 overloads)]
+
+
+Construct a signal set and add one signal. 
+
+
+  basic_signal_set(
+      const executor_type & ex,
+      int signal_number_1);
+
+
+This constructor creates a signal set and registers for one signal.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ex][The I/O executor that the signal set will use, by default, to dispatch handlers for any asynchronous operations performed on the signal set.]]
+
+[[signal_number_1][The signal number to be added.]]
+
+]
+
+
+[heading Remarks]
+      
+This constructor is equivalent to performing: 
+
+   asio::signal_set signals(ex);
+   signals.add(signal_number_1); 
+
+
+
+
+
+
+
+[endsect]
+
+
+
+[section:overload4 basic_signal_set::basic_signal_set (4 of 8 overloads)]
+
+
+Construct a signal set and add one signal. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_signal_set(
+      ExecutionContext & context,
+      int signal_number_1,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a signal set and registers for one signal.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the signal set will use, by default, to dispatch handlers for any asynchronous operations performed on the signal set.]]
+
+[[signal_number_1][The signal number to be added.]]
+
+]
+
+
+[heading Remarks]
+      
+This constructor is equivalent to performing: 
+
+   asio::signal_set signals(context);
+   signals.add(signal_number_1); 
+
+
+
+
+
+
+
+[endsect]
+
+
+
+[section:overload5 basic_signal_set::basic_signal_set (5 of 8 overloads)]
+
+
+Construct a signal set and add two signals. 
+
+
+  basic_signal_set(
+      const executor_type & ex,
+      int signal_number_1,
+      int signal_number_2);
+
+
+This constructor creates a signal set and registers for two signals.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ex][The I/O executor that the signal set will use, by default, to dispatch handlers for any asynchronous operations performed on the signal set.]]
+
+[[signal_number_1][The first signal number to be added.]]
+
+[[signal_number_2][The second signal number to be added.]]
+
+]
+
+
+[heading Remarks]
+      
+This constructor is equivalent to performing: 
+
+   asio::signal_set signals(ex);
+   signals.add(signal_number_1);
+   signals.add(signal_number_2); 
+
+
+
+
+
+
+
+[endsect]
+
+
+
+[section:overload6 basic_signal_set::basic_signal_set (6 of 8 overloads)]
+
+
+Construct a signal set and add two signals. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_signal_set(
+      ExecutionContext & context,
+      int signal_number_1,
+      int signal_number_2,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a signal set and registers for two signals.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the signal set will use, by default, to dispatch handlers for any asynchronous operations performed on the signal set.]]
+
+[[signal_number_1][The first signal number to be added.]]
+
+[[signal_number_2][The second signal number to be added.]]
+
+]
+
+
+[heading Remarks]
+      
+This constructor is equivalent to performing: 
+
+   asio::signal_set signals(context);
+   signals.add(signal_number_1);
+   signals.add(signal_number_2); 
+
+
+
+
+
+
+
+[endsect]
+
+
+
+[section:overload7 basic_signal_set::basic_signal_set (7 of 8 overloads)]
+
+
+Construct a signal set and add three signals. 
+
+
+  basic_signal_set(
+      const executor_type & ex,
+      int signal_number_1,
+      int signal_number_2,
+      int signal_number_3);
+
+
+This constructor creates a signal set and registers for three signals.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ex][The I/O executor that the signal set will use, by default, to dispatch handlers for any asynchronous operations performed on the signal set.]]
+
+[[signal_number_1][The first signal number to be added.]]
+
+[[signal_number_2][The second signal number to be added.]]
+
+[[signal_number_3][The third signal number to be added.]]
+
+]
+
+
+[heading Remarks]
+      
+This constructor is equivalent to performing: 
+
+   asio::signal_set signals(ex);
+   signals.add(signal_number_1);
+   signals.add(signal_number_2);
+   signals.add(signal_number_3); 
+
+
+
+
+
+
+
+[endsect]
+
+
+
+[section:overload8 basic_signal_set::basic_signal_set (8 of 8 overloads)]
+
+
+Construct a signal set and add three signals. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_signal_set(
+      ExecutionContext & context,
+      int signal_number_1,
+      int signal_number_2,
+      int signal_number_3,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a signal set and registers for three signals.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the signal set will use, by default, to dispatch handlers for any asynchronous operations performed on the signal set.]]
+
+[[signal_number_1][The first signal number to be added.]]
+
+[[signal_number_2][The second signal number to be added.]]
+
+[[signal_number_3][The third signal number to be added.]]
+
+]
+
+
+[heading Remarks]
+      
+This constructor is equivalent to performing: 
+
+   asio::signal_set signals(context);
+   signals.add(signal_number_1);
+   signals.add(signal_number_2);
+   signals.add(signal_number_3); 
+
+
+
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+[section:cancel basic_signal_set::cancel]
+
+[indexterm2 asio.indexterm.basic_signal_set.cancel..cancel..basic_signal_set] 
+Cancel all operations associated with the signal set. 
+
+
+  void ``[link asio.reference.basic_signal_set.cancel.overload1 cancel]``();
+  ``  [''''&raquo;''' [link asio.reference.basic_signal_set.cancel.overload1 more...]]``
+
+  void ``[link asio.reference.basic_signal_set.cancel.overload2 cancel]``(
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.basic_signal_set.cancel.overload2 more...]]``
+
+
+[section:overload1 basic_signal_set::cancel (1 of 2 overloads)]
+
+
+Cancel all operations associated with the signal set. 
+
+
+  void cancel();
+
+
+This function forces the completion of any pending asynchronous wait operations against the signal set. The handler for each cancelled operation will be invoked with the `asio::error::operation_aborted` error code.
+
+Cancellation does not alter the set of registered signals.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure.]]
+
+]
+
+
+[heading Remarks]
+      
+If a registered signal occurred before `cancel()` is called, then the handlers for asynchronous wait operations will:
+
+
+* have already been invoked; or
+
+
+* have been queued for invocation in the near future.
+
+These handlers can no longer be cancelled, and therefore are passed an error code that indicates the successful completion of the wait operation. 
+
+
+[endsect]
+
+
+
+[section:overload2 basic_signal_set::cancel (2 of 2 overloads)]
+
+
+Cancel all operations associated with the signal set. 
+
+
+  void cancel(
+      asio::error_code & ec);
+
+
+This function forces the completion of any pending asynchronous wait operations against the signal set. The handler for each cancelled operation will be invoked with the `asio::error::operation_aborted` error code.
+
+Cancellation does not alter the set of registered signals.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+[heading Remarks]
+      
+If a registered signal occurred before `cancel()` is called, then the handlers for asynchronous wait operations will:
+
+
+* have already been invoked; or
+
+
+* have been queued for invocation in the near future.
+
+These handlers can no longer be cancelled, and therefore are passed an error code that indicates the successful completion of the wait operation. 
+
+
+[endsect]
+
+
+[endsect]
+
+[section:clear basic_signal_set::clear]
+
+[indexterm2 asio.indexterm.basic_signal_set.clear..clear..basic_signal_set] 
+Remove all signals from a signal\_set. 
+
+
+  void ``[link asio.reference.basic_signal_set.clear.overload1 clear]``();
+  ``  [''''&raquo;''' [link asio.reference.basic_signal_set.clear.overload1 more...]]``
+
+  void ``[link asio.reference.basic_signal_set.clear.overload2 clear]``(
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.basic_signal_set.clear.overload2 more...]]``
+
+
+[section:overload1 basic_signal_set::clear (1 of 2 overloads)]
+
+
+Remove all signals from a signal\_set. 
+
+
+  void clear();
+
+
+This function removes all signals from the set. It has no effect if the set is already empty.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure.]]
+
+]
+
+
+[heading Remarks]
+      
+Removes all queued notifications. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 basic_signal_set::clear (2 of 2 overloads)]
+
+
+Remove all signals from a signal\_set. 
+
+
+  void clear(
+      asio::error_code & ec);
+
+
+This function removes all signals from the set. It has no effect if the set is already empty.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+[heading Remarks]
+      
+Removes all queued notifications. 
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:executor_type basic_signal_set::executor_type]
+
+[indexterm2 asio.indexterm.basic_signal_set.executor_type..executor_type..basic_signal_set] 
+The type of the executor associated with the object. 
+
+
+  typedef Executor executor_type;
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/basic_signal_set.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+
+[section:get_executor basic_signal_set::get_executor]
+
+[indexterm2 asio.indexterm.basic_signal_set.get_executor..get_executor..basic_signal_set] 
+Get the executor associated with the object. 
+
+
+  executor_type get_executor();
+
+
+
+[endsect]
+
+
+[section:remove basic_signal_set::remove]
+
+[indexterm2 asio.indexterm.basic_signal_set.remove..remove..basic_signal_set] 
+Remove a signal from a signal\_set. 
+
+
+  void ``[link asio.reference.basic_signal_set.remove.overload1 remove]``(
+      int signal_number);
+  ``  [''''&raquo;''' [link asio.reference.basic_signal_set.remove.overload1 more...]]``
+
+  void ``[link asio.reference.basic_signal_set.remove.overload2 remove]``(
+      int signal_number,
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.basic_signal_set.remove.overload2 more...]]``
+
+
+[section:overload1 basic_signal_set::remove (1 of 2 overloads)]
+
+
+Remove a signal from a signal\_set. 
+
+
+  void remove(
+      int signal_number);
+
+
+This function removes the specified signal from the set. It has no effect if the signal is not in the set.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[signal_number][The signal to be removed from the set.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure.]]
+
+]
+
+
+[heading Remarks]
+      
+Removes any notifications that have been queued for the specified signal number. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 basic_signal_set::remove (2 of 2 overloads)]
+
+
+Remove a signal from a signal\_set. 
+
+
+  void remove(
+      int signal_number,
+      asio::error_code & ec);
+
+
+This function removes the specified signal from the set. It has no effect if the signal is not in the set.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[signal_number][The signal to be removed from the set.]]
+
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+[heading Remarks]
+      
+Removes any notifications that have been queued for the specified signal number. 
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:_basic_signal_set basic_signal_set::~basic_signal_set]
+
+[indexterm2 asio.indexterm.basic_signal_set._basic_signal_set..~basic_signal_set..basic_signal_set] 
+Destroys the signal set. 
+
+
+  ~basic_signal_set();
+
+
+This function destroys the signal set, cancelling any outstanding asynchronous wait operations associated with the signal set as if by calling `cancel`. 
+
+
+[endsect]
+
+
+
 [endsect]
 
 [section:basic_socket basic_socket]
@@ -24045,7 +29800,8 @@ Provides socket functionality.
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol]``>
+      typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``>
   class basic_socket :
     public socket_base
 
@@ -24054,6 +29810,13 @@ Provides socket functionality.
 [table
   [[Name][Description]]
 
+  [
+
+    [[link asio.reference.basic_socket__rebind_executor [*rebind_executor]]]
+    [Rebinds the socket type to another executor. ]
+  
+  ]
+
   [
 
     [[link asio.reference.basic_socket.broadcast [*broadcast]]]
@@ -24235,15 +29998,15 @@ Provides socket functionality.
   [
     [[link asio.reference.basic_socket.basic_socket [*basic_socket]]]
     [Construct a basic_socket without opening it. 
-
+     [hr]
      Construct and open a basic_socket. 
-
+     [hr]
      Construct a basic_socket, opening it and binding it to the given local endpoint. 
-
+     [hr]
      Construct a basic_socket on an existing native socket. 
-
+     [hr]
      Move-construct a basic_socket from another. 
-
+     [hr]
      Move-construct a basic_socket from a socket of another protocol type. ]
   ]
   
@@ -24272,16 +30035,6 @@ Provides socket functionality.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_socket.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_socket.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_socket.get_option [*get_option]]]
     [Get an option from the socket. ]
@@ -24305,7 +30058,7 @@ Provides socket functionality.
   [
     [[link asio.reference.basic_socket.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
@@ -24317,14 +30070,14 @@ Provides socket functionality.
   [
     [[link asio.reference.basic_socket.native_non_blocking [*native_non_blocking]]]
     [Gets the non-blocking mode of the native socket implementation. 
-
+     [hr]
      Sets the non-blocking mode of the native socket implementation. ]
   ]
   
   [
     [[link asio.reference.basic_socket.non_blocking [*non_blocking]]]
     [Gets the non-blocking mode of the socket. 
-
+     [hr]
      Sets the non-blocking mode of the socket. ]
   ]
   
@@ -24336,7 +30089,7 @@ Provides socket functionality.
   [
     [[link asio.reference.basic_socket.operator_eq_ [*operator=]]]
     [Move-assign a basic_socket from another. 
-
+     [hr]
      Move-assign a basic_socket from a socket of another protocol type. ]
   ]
   
@@ -24414,6 +30167,17 @@ Provides socket functionality.
 
 ]
 
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_socket.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
 The [link asio.reference.basic_socket `basic_socket`] class template provides functionality that is common to both stream-oriented and datagram-oriented sockets.
 
 
@@ -24515,7 +30279,7 @@ The socket is automatically opened if it is not already open. If the connect fai
      const asio::error_code& error // Result of operation
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -24534,7 +30298,7 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
    ...
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    asio::ip::tcp::endpoint endpoint(
        asio::ip::address::from_string("1.2.3.4"), 12345);
    socket.async_connect(endpoint, connect_handler);
@@ -24578,7 +30342,7 @@ This function is used to perform an asynchronous wait for a socket to enter a re
      const asio::error_code& error // Result of operation
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -24597,7 +30361,7 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
    ...
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    socket.async_wait(asio::ip::tcp::socket::wait_read, wait_handler);
 
@@ -24781,65 +30545,98 @@ Construct a [link asio.reference.basic_socket `basic_socket`] without opening it
 
 
   explicit ``[link asio.reference.basic_socket.basic_socket.overload1 basic_socket]``(
-      asio::io_context & io_context);
+      const executor_type & ex);
   ``  [''''&raquo;''' [link asio.reference.basic_socket.basic_socket.overload1 more...]]``
 
+  template<
+      typename ExecutionContext>
+  explicit ``[link asio.reference.basic_socket.basic_socket.overload2 basic_socket]``(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_socket.basic_socket.overload2 more...]]``
+
 
 Construct and open a [link asio.reference.basic_socket `basic_socket`]. 
 
 
-  ``[link asio.reference.basic_socket.basic_socket.overload2 basic_socket]``(
-      asio::io_context & io_context,
+  ``[link asio.reference.basic_socket.basic_socket.overload3 basic_socket]``(
+      const executor_type & ex,
       const protocol_type & protocol);
-  ``  [''''&raquo;''' [link asio.reference.basic_socket.basic_socket.overload2 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_socket.basic_socket.overload3 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_socket.basic_socket.overload4 basic_socket]``(
+      ExecutionContext & context,
+      const protocol_type & protocol,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_socket.basic_socket.overload4 more...]]``
 
 
 Construct a [link asio.reference.basic_socket `basic_socket`], opening it and binding it to the given local endpoint. 
 
 
-  ``[link asio.reference.basic_socket.basic_socket.overload3 basic_socket]``(
-      asio::io_context & io_context,
+  ``[link asio.reference.basic_socket.basic_socket.overload5 basic_socket]``(
+      const executor_type & ex,
       const endpoint_type & endpoint);
-  ``  [''''&raquo;''' [link asio.reference.basic_socket.basic_socket.overload3 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_socket.basic_socket.overload5 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_socket.basic_socket.overload6 basic_socket]``(
+      ExecutionContext & context,
+      const endpoint_type & endpoint,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_socket.basic_socket.overload6 more...]]``
 
 
 Construct a [link asio.reference.basic_socket `basic_socket`] on an existing native socket. 
 
 
-  ``[link asio.reference.basic_socket.basic_socket.overload4 basic_socket]``(
-      asio::io_context & io_context,
+  ``[link asio.reference.basic_socket.basic_socket.overload7 basic_socket]``(
+      const executor_type & ex,
       const protocol_type & protocol,
       const native_handle_type & native_socket);
-  ``  [''''&raquo;''' [link asio.reference.basic_socket.basic_socket.overload4 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_socket.basic_socket.overload7 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_socket.basic_socket.overload8 basic_socket]``(
+      ExecutionContext & context,
+      const protocol_type & protocol,
+      const native_handle_type & native_socket,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_socket.basic_socket.overload8 more...]]``
 
 
 Move-construct a [link asio.reference.basic_socket `basic_socket`] from another. 
 
 
-  ``[link asio.reference.basic_socket.basic_socket.overload5 basic_socket]``(
+  ``[link asio.reference.basic_socket.basic_socket.overload9 basic_socket]``(
       basic_socket && other);
-  ``  [''''&raquo;''' [link asio.reference.basic_socket.basic_socket.overload5 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_socket.basic_socket.overload9 more...]]``
 
 
 Move-construct a [link asio.reference.basic_socket `basic_socket`] from a socket of another protocol type. 
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
-  ``[link asio.reference.basic_socket.basic_socket.overload6 basic_socket]``(
-      basic_socket< Protocol1 > && other,
-      typename enable_if< is_convertible< Protocol1, Protocol >::value >::type *  = 0);
-  ``  [''''&raquo;''' [link asio.reference.basic_socket.basic_socket.overload6 more...]]``
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  ``[link asio.reference.basic_socket.basic_socket.overload10 basic_socket]``(
+      basic_socket< Protocol1, Executor1 > && other,
+      typename enable_if< is_convertible< Protocol1, Protocol >::value &&is_convertible< Executor1, Executor >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_socket.basic_socket.overload10 more...]]``
 
 
-[section:overload1 basic_socket::basic_socket (1 of 6 overloads)]
+[section:overload1 basic_socket::basic_socket (1 of 10 overloads)]
 
 
 Construct a [link asio.reference.basic_socket `basic_socket`] without opening it. 
 
 
   basic_socket(
-      asio::io_context & io_context);
+      const executor_type & ex);
 
 
 This constructor creates a socket without opening it.
@@ -24850,7 +30647,7 @@ This constructor creates a socket without opening it.
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the socket will use to dispatch handlers for any asynchronous operations performed on the socket. ]]
+[[ex][The I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket. ]]
 
 ]
 
@@ -24861,14 +30658,46 @@ This constructor creates a socket without opening it.
 
 
 
-[section:overload2 basic_socket::basic_socket (2 of 6 overloads)]
+[section:overload2 basic_socket::basic_socket (2 of 10 overloads)]
+
+
+Construct a [link asio.reference.basic_socket `basic_socket`] without opening it. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_socket(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a socket without opening it.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload3 basic_socket::basic_socket (3 of 10 overloads)]
 
 
 Construct and open a [link asio.reference.basic_socket `basic_socket`]. 
 
 
   basic_socket(
-      asio::io_context & io_context,
+      const executor_type & ex,
       const protocol_type & protocol);
 
 
@@ -24880,7 +30709,7 @@ This constructor creates and opens a socket.
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the socket will use to dispatch handlers for any asynchronous operations performed on the socket.]]
+[[ex][The I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
 
 [[protocol][An object specifying protocol parameters to be used.]]
 
@@ -24903,14 +30732,59 @@ This constructor creates and opens a socket.
 
 
 
-[section:overload3 basic_socket::basic_socket (3 of 6 overloads)]
+[section:overload4 basic_socket::basic_socket (4 of 10 overloads)]
+
+
+Construct and open a [link asio.reference.basic_socket `basic_socket`]. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_socket(
+      ExecutionContext & context,
+      const protocol_type & protocol,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates and opens a socket.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
+
+[[protocol][An object specifying protocol parameters to be used.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload5 basic_socket::basic_socket (5 of 10 overloads)]
 
 
 Construct a [link asio.reference.basic_socket `basic_socket`], opening it and binding it to the given local endpoint. 
 
 
   basic_socket(
-      asio::io_context & io_context,
+      const executor_type & ex,
       const endpoint_type & endpoint);
 
 
@@ -24922,7 +30796,7 @@ This constructor creates a socket and automatically opens it bound to the specif
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the socket will use to dispatch handlers for any asynchronous operations performed on the socket.]]
+[[ex][The I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
 
 [[endpoint][An endpoint on the local machine to which the socket will be bound.]]
 
@@ -24945,14 +30819,59 @@ This constructor creates a socket and automatically opens it bound to the specif
 
 
 
-[section:overload4 basic_socket::basic_socket (4 of 6 overloads)]
+[section:overload6 basic_socket::basic_socket (6 of 10 overloads)]
+
+
+Construct a [link asio.reference.basic_socket `basic_socket`], opening it and binding it to the given local endpoint. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_socket(
+      ExecutionContext & context,
+      const endpoint_type & endpoint,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a socket and automatically opens it bound to the specified endpoint on the local machine. The protocol used is the protocol associated with the given endpoint.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
+
+[[endpoint][An endpoint on the local machine to which the socket will be bound.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload7 basic_socket::basic_socket (7 of 10 overloads)]
 
 
 Construct a [link asio.reference.basic_socket `basic_socket`] on an existing native socket. 
 
 
   basic_socket(
-      asio::io_context & io_context,
+      const executor_type & ex,
       const protocol_type & protocol,
       const native_handle_type & native_socket);
 
@@ -24965,7 +30884,7 @@ This constructor creates a socket object to hold an existing native socket.
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the socket will use to dispatch handlers for any asynchronous operations performed on the socket.]]
+[[ex][The I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
 
 [[protocol][An object specifying protocol parameters to be used.]]
 
@@ -24990,7 +30909,55 @@ This constructor creates a socket object to hold an existing native socket.
 
 
 
-[section:overload5 basic_socket::basic_socket (5 of 6 overloads)]
+[section:overload8 basic_socket::basic_socket (8 of 10 overloads)]
+
+
+Construct a [link asio.reference.basic_socket `basic_socket`] on an existing native socket. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_socket(
+      ExecutionContext & context,
+      const protocol_type & protocol,
+      const native_handle_type & native_socket,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a socket object to hold an existing native socket.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
+
+[[protocol][An object specifying protocol parameters to be used.]]
+
+[[native_socket][A native socket.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload9 basic_socket::basic_socket (9 of 10 overloads)]
 
 
 Move-construct a [link asio.reference.basic_socket `basic_socket`] from another. 
@@ -25015,7 +30982,7 @@ This constructor moves a socket from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_socket(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_socket(const executor_type&) constructor`. 
 
 
 
@@ -25024,17 +30991,18 @@ Following the move, the moved-from object is in the same state as if constructed
 
 
 
-[section:overload6 basic_socket::basic_socket (6 of 6 overloads)]
+[section:overload10 basic_socket::basic_socket (10 of 10 overloads)]
 
 
 Move-construct a [link asio.reference.basic_socket `basic_socket`] from a socket of another protocol type. 
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
   basic_socket(
-      basic_socket< Protocol1 > && other,
-      typename enable_if< is_convertible< Protocol1, Protocol >::value >::type *  = 0);
+      basic_socket< Protocol1, Executor1 > && other,
+      typename enable_if< is_convertible< Protocol1, Protocol >::value &&is_convertible< Executor1, Executor >::value >::type *  = 0);
 
 
 This constructor moves a socket from one object to another.
@@ -25052,7 +31020,7 @@ This constructor moves a socket from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_socket(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_socket(const executor_type&) constructor`. 
 
 
 
@@ -25115,7 +31083,7 @@ This function binds the socket to the specified endpoint on the local machine.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    socket.open(asio::ip::tcp::v4());
    socket.bind(asio::ip::tcp::endpoint(
          asio::ip::tcp::v4(), 12345));
@@ -25160,7 +31128,7 @@ This function binds the socket to the specified endpoint on the local machine.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    socket.open(asio::ip::tcp::v4());
    asio::error_code ec;
    socket.bind(asio::ip::tcp::endpoint(
@@ -25202,7 +31170,7 @@ Implements the SOL\_SOCKET/SO\_BROADCAST socket option.
   
 Setting the option: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::broadcast option(true);
    socket.set_option(option);
@@ -25213,7 +31181,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::broadcast option;
    socket.get_option(option);
@@ -25256,7 +31224,7 @@ Implements the FIONREAD IO control command.
   
 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::bytes_readable command(true);
    socket.io_control(command);
@@ -25462,7 +31430,7 @@ This function is used to close the socket. Any asynchronous send, receive or con
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::error_code ec;
    socket.close(ec);
@@ -25542,7 +31510,7 @@ The socket is automatically opened if it is not already open. If the connect fai
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    asio::ip::tcp::endpoint endpoint(
        asio::ip::address::from_string("1.2.3.4"), 12345);
    socket.connect(endpoint);
@@ -25589,7 +31557,7 @@ The socket is automatically opened if it is not already open. If the connect fai
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    asio::ip::tcp::endpoint endpoint(
        asio::ip::address::from_string("1.2.3.4"), 12345);
    asio::error_code ec;
@@ -25631,7 +31599,7 @@ Implements the SOL\_SOCKET/SO\_DEBUG socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::debug option(true);
    socket.set_option(option);
@@ -25642,7 +31610,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::debug option;
    socket.get_option(option);
@@ -25685,7 +31653,7 @@ Implements the SOL\_SOCKET/SO\_DONTROUTE socket option.
   
 Setting the option: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::do_not_route option(true);
    socket.set_option(option);
@@ -25696,7 +31664,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::do_not_route option;
    socket.get_option(option);
@@ -25739,7 +31707,7 @@ Implements a custom socket option that determines whether or not an accept opera
   
 Setting the option: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::enable_connection_aborted option(true);
    acceptor.set_option(option);
@@ -25750,7 +31718,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::enable_connection_aborted option;
    acceptor.get_option(option);
@@ -25800,66 +31768,9 @@ The endpoint type.
 The type of the executor associated with the object. 
 
 
-  typedef io_context::executor_type executor_type;
+  typedef Executor executor_type;
 
 
-[heading Member Functions]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.context [*context]]]
-    [Obtain the underlying execution context. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.defer [*defer]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.dispatch [*dispatch]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_finished [*on_work_finished]]]
-    [Inform the io_context that some work is no longer outstanding. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_started [*on_work_started]]]
-    [Inform the io_context that it has some outstanding work to do. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.post [*post]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.running_in_this_thread [*running_in_this_thread]]]
-    [Determine whether the io_context is running in the current thread. ]
-  ]
-  
-]
-
-[heading Friends]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.operator_not__eq_ [*operator!=]]]
-    [Compare two executors for inequality. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.operator_eq__eq_ [*operator==]]]
-    [Compare two executors for equality. ]
-  ]
-  
-]
-
 
 [heading Requirements]
 
@@ -25882,52 +31793,6 @@ Get the executor associated with the object.
 
 
 
-[endsect]
-
-
-
-[section:get_io_context basic_socket::get_io_context]
-
-[indexterm2 asio.indexterm.basic_socket.get_io_context..get_io_context..basic_socket] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_context();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
-[section:get_io_service basic_socket::get_io_service]
-
-[indexterm2 asio.indexterm.basic_socket.get_io_service..get_io_service..basic_socket] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_service();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
 [endsect]
 
 
@@ -25991,7 +31856,7 @@ This function is used to get the current value of an option on the socket.
   
 Getting the value of the SOL\_SOCKET/SO\_KEEPALIVE option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::socket::keep_alive option;
    socket.get_option(option);
@@ -26040,7 +31905,7 @@ This function is used to get the current value of an option on the socket.
   
 Getting the value of the SOL\_SOCKET/SO\_KEEPALIVE option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::socket::keep_alive option;
    asio::error_code ec;
@@ -26062,6 +31927,18 @@ Getting the value of the SOL\_SOCKET/SO\_KEEPALIVE option:
 
 [endsect]
 
+
+[section:impl_ basic_socket::impl_]
+
+[indexterm2 asio.indexterm.basic_socket.impl_..impl_..basic_socket] 
+
+  detail::io_object_impl< detail::reactive_socket_service< Protocol >, Executor > impl_;
+
+
+
+[endsect]
+
+
 [section:io_control basic_socket::io_control]
 
 [indexterm2 asio.indexterm.basic_socket.io_control..io_control..basic_socket] 
@@ -26122,7 +31999,7 @@ This function is used to execute an IO control command on the socket.
   
 Getting the number of bytes ready to read: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::socket::bytes_readable command;
    socket.io_control(command);
@@ -26171,7 +32048,7 @@ This function is used to execute an IO control command on the socket.
   
 Getting the number of bytes ready to read: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::socket::bytes_readable command;
    asio::error_code ec;
@@ -26228,7 +32105,7 @@ Implements the SOL\_SOCKET/SO\_KEEPALIVE socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::keep_alive option(true);
    socket.set_option(option);
@@ -26239,7 +32116,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::keep_alive option;
    socket.get_option(option);
@@ -26282,7 +32159,7 @@ Implements the SOL\_SOCKET/SO\_LINGER socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::linger option(true, 30);
    socket.set_option(option);
@@ -26293,7 +32170,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::linger option;
    socket.get_option(option);
@@ -26361,7 +32238,7 @@ An object that represents the local endpoint of the socket.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::endpoint endpoint = socket.local_endpoint();
 
@@ -26407,7 +32284,7 @@ An object that represents the local endpoint of the socket. Returns a default-co
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::error_code ec;
    asio::ip::tcp::endpoint endpoint = socket.local_endpoint(ec);
@@ -26498,13 +32375,20 @@ A const reference to the lowest layer in the stack of layers. Ownership is not t
 A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer. 
 
 
-  typedef basic_socket< Protocol > lowest_layer_type;
+  typedef basic_socket< Protocol, Executor > lowest_layer_type;
 
 
 [heading Types]
 [table
   [[Name][Description]]
 
+  [
+
+    [[link asio.reference.basic_socket__rebind_executor [*rebind_executor]]]
+    [Rebinds the socket type to another executor. ]
+  
+  ]
+
   [
 
     [[link asio.reference.basic_socket.broadcast [*broadcast]]]
@@ -26686,15 +32570,15 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
   [
     [[link asio.reference.basic_socket.basic_socket [*basic_socket]]]
     [Construct a basic_socket without opening it. 
-
+     [hr]
      Construct and open a basic_socket. 
-
+     [hr]
      Construct a basic_socket, opening it and binding it to the given local endpoint. 
-
+     [hr]
      Construct a basic_socket on an existing native socket. 
-
+     [hr]
      Move-construct a basic_socket from another. 
-
+     [hr]
      Move-construct a basic_socket from a socket of another protocol type. ]
   ]
   
@@ -26723,16 +32607,6 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_socket.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_socket.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_socket.get_option [*get_option]]]
     [Get an option from the socket. ]
@@ -26756,7 +32630,7 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
   [
     [[link asio.reference.basic_socket.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
@@ -26768,14 +32642,14 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
   [
     [[link asio.reference.basic_socket.native_non_blocking [*native_non_blocking]]]
     [Gets the non-blocking mode of the native socket implementation. 
-
+     [hr]
      Sets the non-blocking mode of the native socket implementation. ]
   ]
   
   [
     [[link asio.reference.basic_socket.non_blocking [*non_blocking]]]
     [Gets the non-blocking mode of the socket. 
-
+     [hr]
      Sets the non-blocking mode of the socket. ]
   ]
   
@@ -26787,7 +32661,7 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
   [
     [[link asio.reference.basic_socket.operator_eq_ [*operator=]]]
     [Move-assign a basic_socket from another. 
-
+     [hr]
      Move-assign a basic_socket from a socket of another protocol type. ]
   ]
   
@@ -26865,6 +32739,17 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
 
 ]
 
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_socket.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
 The [link asio.reference.basic_socket `basic_socket`] class template provides functionality that is common to both stream-oriented and datagram-oriented sockets.
 
 
@@ -27572,7 +33457,7 @@ This function opens the socket so that it will use the specified protocol.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    socket.open(asio::ip::tcp::v4());
 
 
@@ -27615,7 +33500,7 @@ This function opens the socket so that it will use the specified protocol.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    asio::error_code ec;
    socket.open(asio::ip::tcp::v4(), ec);
    if (ec)
@@ -27649,9 +33534,10 @@ Move-assign a [link asio.reference.basic_socket `basic_socket`] from a socket of
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
-  enable_if< is_convertible< Protocol1, Protocol >::value, basic_socket >::type & ``[link asio.reference.basic_socket.operator_eq_.overload2 operator=]``(
-      basic_socket< Protocol1 > && other);
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  enable_if< is_convertible< Protocol1, Protocol >::value &&is_convertible< Executor1, Executor >::value, basic_socket & >::type ``[link asio.reference.basic_socket.operator_eq_.overload2 operator=]``(
+      basic_socket< Protocol1, Executor1 > && other);
   ``  [''''&raquo;''' [link asio.reference.basic_socket.operator_eq_.overload2 more...]]``
 
 
@@ -27680,7 +33566,7 @@ This assignment operator moves a socket from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_socket(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_socket(const executor_type&) constructor`. 
 
 
 
@@ -27696,9 +33582,10 @@ Move-assign a [link asio.reference.basic_socket `basic_socket`] from a socket of
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
-  enable_if< is_convertible< Protocol1, Protocol >::value, basic_socket >::type & operator=(
-      basic_socket< Protocol1 > && other);
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  enable_if< is_convertible< Protocol1, Protocol >::value &&is_convertible< Executor1, Executor >::value, basic_socket & >::type operator=(
+      basic_socket< Protocol1, Executor1 > && other);
 
 
 This assignment operator moves a socket from one object to another.
@@ -27716,7 +33603,7 @@ This assignment operator moves a socket from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_socket(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_socket(const executor_type&) constructor`. 
 
 
 
@@ -27747,7 +33634,7 @@ Implements the SOL\_SOCKET/SO\_OOBINLINE socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::out_of_band_inline option(true);
    socket.set_option(option);
@@ -27758,7 +33645,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::out_of_band_inline option;
    socket.get_option(option);
@@ -27822,7 +33709,7 @@ Implements the SOL\_SOCKET/SO\_RCVBUF socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_buffer_size option(8192);
    socket.set_option(option);
@@ -27833,7 +33720,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_buffer_size option;
    socket.get_option(option);
@@ -27876,7 +33763,7 @@ Implements the SOL\_SOCKET/SO\_RCVLOWAT socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_low_watermark option(1024);
    socket.set_option(option);
@@ -27887,7 +33774,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_low_watermark option;
    socket.get_option(option);
@@ -28036,7 +33923,7 @@ An object that represents the remote endpoint of the socket.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::endpoint endpoint = socket.remote_endpoint();
 
@@ -28082,7 +33969,7 @@ An object that represents the remote endpoint of the socket. Returns a default-c
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::error_code ec;
    asio::ip::tcp::endpoint endpoint = socket.remote_endpoint(ec);
@@ -28123,7 +34010,7 @@ Implements the SOL\_SOCKET/SO\_REUSEADDR socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::reuse_address option(true);
    acceptor.set_option(option);
@@ -28134,7 +34021,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::reuse_address option;
    acceptor.get_option(option);
@@ -28177,7 +34064,7 @@ Implements the SOL\_SOCKET/SO\_SNDBUF socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_buffer_size option(8192);
    socket.set_option(option);
@@ -28188,7 +34075,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_buffer_size option;
    socket.get_option(option);
@@ -28231,7 +34118,7 @@ Implements the SOL\_SOCKET/SO\_SNDLOWAT socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_low_watermark option(1024);
    socket.set_option(option);
@@ -28242,7 +34129,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_low_watermark option;
    socket.get_option(option);
@@ -28324,7 +34211,7 @@ This function is used to set an option on the socket.
   
 Setting the IPPROTO\_TCP/TCP\_NODELAY option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::no_delay option(true);
    socket.set_option(option);
@@ -28372,7 +34259,7 @@ This function is used to set an option on the socket.
   
 Setting the IPPROTO\_TCP/TCP\_NODELAY option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::no_delay option(true);
    asio::error_code ec;
@@ -28446,7 +34333,7 @@ This function is used to disable send operations, receive operations, or both.
   
 Shutting down the send side of the socket: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    socket.shutdown(asio::ip::tcp::socket::shutdown_send);
 
@@ -28490,7 +34377,7 @@ This function is used to disable send operations, receive operations, or both.
   
 Shutting down the send side of the socket: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::error_code ec;
    socket.shutdown(asio::ip::tcp::socket::shutdown_send, ec);
@@ -28594,7 +34481,7 @@ This function is used to perform a blocking wait for a socket to enter a ready t
   
 Waiting for a socket to become readable. 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    socket.wait(asio::ip::tcp::socket::wait_read);
 
@@ -28638,7 +34525,7 @@ This function is used to perform a blocking wait for a socket to enter a ready t
   
 Waiting for a socket to become readable. 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::error_code ec;
    socket.wait(asio::ip::tcp::socket::wait_read, ec);
@@ -28714,6 +34601,443 @@ This function destroys the socket, cancelling any outstanding asynchronous opera
 
 
 
+[endsect]
+
+[section:basic_socket__rebind_executor basic_socket::rebind_executor]
+
+
+Rebinds the socket type to another executor. 
+
+
+  template<
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  struct rebind_executor
+
+
+[heading Types]
+[table
+  [[Name][Description]]
+
+  [
+
+    [[link asio.reference.basic_socket__rebind_executor.other [*other]]]
+    [The socket type when rebound to the specified executor. ]
+  
+  ]
+
+]
+
+[heading Requirements]
+
+['Header: ][^asio/basic_socket.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[section:other basic_socket::rebind_executor::other]
+
+[indexterm2 asio.indexterm.basic_socket__rebind_executor.other..other..basic_socket::rebind_executor] 
+The socket type when rebound to the specified executor. 
+
+
+  typedef basic_socket< Protocol, Executor1 > other;
+
+
+[heading Types]
+[table
+  [[Name][Description]]
+
+  [
+
+    [[link asio.reference.basic_socket__rebind_executor [*rebind_executor]]]
+    [Rebinds the socket type to another executor. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_socket.broadcast [*broadcast]]]
+    [Socket option to permit sending of broadcast messages. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_socket.bytes_readable [*bytes_readable]]]
+    [IO control command to get the amount of data that can be read without blocking. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_socket.debug [*debug]]]
+    [Socket option to enable socket-level debugging. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_socket.do_not_route [*do_not_route]]]
+    [Socket option to prevent routing, use local interfaces only. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_socket.enable_connection_aborted [*enable_connection_aborted]]]
+    [Socket option to report aborted connections on accept. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_socket.endpoint_type [*endpoint_type]]]
+    [The endpoint type. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_socket.executor_type [*executor_type]]]
+    [The type of the executor associated with the object. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_socket.keep_alive [*keep_alive]]]
+    [Socket option to send keep-alives. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_socket.linger [*linger]]]
+    [Socket option to specify whether the socket lingers on close if unsent data is present. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_socket.lowest_layer_type [*lowest_layer_type]]]
+    [A basic_socket is always the lowest layer. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_socket.message_flags [*message_flags]]]
+    [Bitmask type for flags that can be passed to send and receive operations. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_socket.native_handle_type [*native_handle_type]]]
+    [The native representation of a socket. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_socket.out_of_band_inline [*out_of_band_inline]]]
+    [Socket option for putting received out-of-band data inline. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_socket.protocol_type [*protocol_type]]]
+    [The protocol type. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_socket.receive_buffer_size [*receive_buffer_size]]]
+    [Socket option for the receive buffer size of a socket. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_socket.receive_low_watermark [*receive_low_watermark]]]
+    [Socket option for the receive low watermark. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_socket.reuse_address [*reuse_address]]]
+    [Socket option to allow the socket to be bound to an address that is already in use. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_socket.send_buffer_size [*send_buffer_size]]]
+    [Socket option for the send buffer size of a socket. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_socket.send_low_watermark [*send_low_watermark]]]
+    [Socket option for the send low watermark. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_socket.shutdown_type [*shutdown_type]]]
+    [Different ways a socket may be shutdown. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_socket.wait_type [*wait_type]]]
+    [Wait types. ]
+  
+  ]
+
+]
+
+[heading Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_socket.assign [*assign]]]
+    [Assign an existing native socket to the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_socket.async_connect [*async_connect]]]
+    [Start an asynchronous connect. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_socket.async_wait [*async_wait]]]
+    [Asynchronously wait for the socket to become ready to read, ready to write, or to have pending error conditions. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_socket.at_mark [*at_mark]]]
+    [Determine whether the socket is at the out-of-band data mark. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_socket.available [*available]]]
+    [Determine the number of bytes available for reading. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_socket.basic_socket [*basic_socket]]]
+    [Construct a basic_socket without opening it. 
+     [hr]
+     Construct and open a basic_socket. 
+     [hr]
+     Construct a basic_socket, opening it and binding it to the given local endpoint. 
+     [hr]
+     Construct a basic_socket on an existing native socket. 
+     [hr]
+     Move-construct a basic_socket from another. 
+     [hr]
+     Move-construct a basic_socket from a socket of another protocol type. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_socket.bind [*bind]]]
+    [Bind the socket to the given local endpoint. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_socket.cancel [*cancel]]]
+    [Cancel all asynchronous operations associated with the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_socket.close [*close]]]
+    [Close the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_socket.connect [*connect]]]
+    [Connect the socket to the specified endpoint. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_socket.get_executor [*get_executor]]]
+    [Get the executor associated with the object. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_socket.get_option [*get_option]]]
+    [Get an option from the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_socket.io_control [*io_control]]]
+    [Perform an IO control command on the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_socket.is_open [*is_open]]]
+    [Determine whether the socket is open. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_socket.local_endpoint [*local_endpoint]]]
+    [Get the local endpoint of the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_socket.lowest_layer [*lowest_layer]]]
+    [Get a reference to the lowest layer. 
+     [hr]
+     Get a const reference to the lowest layer. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_socket.native_handle [*native_handle]]]
+    [Get the native socket representation. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_socket.native_non_blocking [*native_non_blocking]]]
+    [Gets the non-blocking mode of the native socket implementation. 
+     [hr]
+     Sets the non-blocking mode of the native socket implementation. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_socket.non_blocking [*non_blocking]]]
+    [Gets the non-blocking mode of the socket. 
+     [hr]
+     Sets the non-blocking mode of the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_socket.open [*open]]]
+    [Open the socket using the specified protocol. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_socket.operator_eq_ [*operator=]]]
+    [Move-assign a basic_socket from another. 
+     [hr]
+     Move-assign a basic_socket from a socket of another protocol type. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_socket.release [*release]]]
+    [Release ownership of the underlying native socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_socket.remote_endpoint [*remote_endpoint]]]
+    [Get the remote endpoint of the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_socket.set_option [*set_option]]]
+    [Set an option on the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_socket.shutdown [*shutdown]]]
+    [Disable sends or receives on the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_socket.wait [*wait]]]
+    [Wait for the socket to become ready to read, ready to write, or to have pending error conditions. ]
+  ]
+  
+]
+
+[heading Protected Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_socket._basic_socket [*~basic_socket]]]
+    [Protected destructor to prevent deletion through this type. ]
+  ]
+  
+]
+
+[heading Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_socket.max_connections [*max_connections]]]
+    [(Deprecated: Use max_listen_connections.) The maximum length of the queue of pending incoming connections. ]
+  ]
+
+  [
+    [[link asio.reference.basic_socket.max_listen_connections [*max_listen_connections]]]
+    [The maximum length of the queue of pending incoming connections. ]
+  ]
+
+  [
+    [[link asio.reference.basic_socket.message_do_not_route [*message_do_not_route]]]
+    [Specify that the data should not be subject to routing. ]
+  ]
+
+  [
+    [[link asio.reference.basic_socket.message_end_of_record [*message_end_of_record]]]
+    [Specifies that the data marks the end of a record. ]
+  ]
+
+  [
+    [[link asio.reference.basic_socket.message_out_of_band [*message_out_of_band]]]
+    [Process out-of-band data. ]
+  ]
+
+  [
+    [[link asio.reference.basic_socket.message_peek [*message_peek]]]
+    [Peek at incoming data without removing it from the input queue. ]
+  ]
+
+]
+
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_socket.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
+The [link asio.reference.basic_socket `basic_socket`] class template provides functionality that is common to both stream-oriented and datagram-oriented sockets.
+
+
+[heading Thread Safety]
+  
+['Distinct] ['objects:] Safe.
+
+['Shared] ['objects:] Unsafe. 
+
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/basic_socket.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+
 [endsect]
 
 [section:basic_socket_acceptor basic_socket_acceptor]
@@ -28723,7 +35047,8 @@ Provides the ability to accept new connections.
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol]``>
+      typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``>
   class basic_socket_acceptor :
     public socket_base
 
@@ -28881,7 +35206,7 @@ Provides the ability to accept new connections.
   [
     [[link asio.reference.basic_socket_acceptor.accept [*accept]]]
     [Accept a new connection. 
-
+     [hr]
      Accept a new connection and obtain the endpoint of the peer. ]
   ]
   
@@ -28903,15 +35228,15 @@ Provides the ability to accept new connections.
   [
     [[link asio.reference.basic_socket_acceptor.basic_socket_acceptor [*basic_socket_acceptor]]]
     [Construct an acceptor without opening it. 
-
+     [hr]
      Construct an open acceptor. 
-
+     [hr]
      Construct an acceptor opened on the given endpoint. 
-
+     [hr]
      Construct a basic_socket_acceptor on an existing native acceptor. 
-
+     [hr]
      Move-construct a basic_socket_acceptor from another. 
-
+     [hr]
      Move-construct a basic_socket_acceptor from an acceptor of another protocol type. ]
   ]
   
@@ -28935,16 +35260,6 @@ Provides the ability to accept new connections.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_socket_acceptor.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_socket_acceptor.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_socket_acceptor.get_option [*get_option]]]
     [Get an option from the acceptor. ]
@@ -28978,14 +35293,14 @@ Provides the ability to accept new connections.
   [
     [[link asio.reference.basic_socket_acceptor.native_non_blocking [*native_non_blocking]]]
     [Gets the non-blocking mode of the native acceptor implementation. 
-
+     [hr]
      Sets the non-blocking mode of the native acceptor implementation. ]
   ]
   
   [
     [[link asio.reference.basic_socket_acceptor.non_blocking [*non_blocking]]]
     [Gets the non-blocking mode of the acceptor. 
-
+     [hr]
      Sets the non-blocking mode of the acceptor. ]
   ]
   
@@ -28997,7 +35312,7 @@ Provides the ability to accept new connections.
   [
     [[link asio.reference.basic_socket_acceptor.operator_eq_ [*operator=]]]
     [Move-assign a basic_socket_acceptor from another. 
-
+     [hr]
      Move-assign a basic_socket_acceptor from an acceptor of another protocol type. ]
   ]
   
@@ -29073,7 +35388,7 @@ The [link asio.reference.basic_socket_acceptor `basic_socket_acceptor`] class te
   
 Opening a socket acceptor with the SO\_REUSEADDR option enabled: 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    asio::ip::tcp::endpoint endpoint(asio::ip::tcp::v4(), port);
    acceptor.open(endpoint.protocol());
    acceptor.set_option(asio::ip::tcp::acceptor::reuse_address(true));
@@ -29098,16 +35413,18 @@ Accept a new connection.
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
   void ``[link asio.reference.basic_socket_acceptor.accept.overload1 accept]``(
-      basic_socket< Protocol1 > & peer,
+      basic_socket< Protocol1, Executor1 > & peer,
       typename enable_if< is_convertible< Protocol, Protocol1 >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.accept.overload1 more...]]``
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
   void ``[link asio.reference.basic_socket_acceptor.accept.overload2 accept]``(
-      basic_socket< Protocol1 > & peer,
+      basic_socket< Protocol1, Executor1 > & peer,
       asio::error_code & ec,
       typename enable_if< is_convertible< Protocol, Protocol1 >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.accept.overload2 more...]]``
@@ -29116,13 +35433,17 @@ Accept a new connection.
 Accept a new connection and obtain the endpoint of the peer. 
 
 
+  template<
+      typename ``[link asio.reference.Executor1 Executor1]``>
   void ``[link asio.reference.basic_socket_acceptor.accept.overload3 accept]``(
-      basic_socket< protocol_type > & peer,
+      basic_socket< protocol_type, Executor1 > & peer,
       endpoint_type & peer_endpoint);
   ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.accept.overload3 more...]]``
 
+  template<
+      typename ``[link asio.reference.Executor1 Executor1]``>
   void ``[link asio.reference.basic_socket_acceptor.accept.overload4 accept]``(
-      basic_socket< protocol_type > & peer,
+      basic_socket< protocol_type, Executor1 > & peer,
       endpoint_type & peer_endpoint,
       asio::error_code & ec);
   ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.accept.overload4 more...]]``
@@ -29134,46 +35455,91 @@ Accept a new connection and obtain the endpoint of the peer.
       asio::error_code & ec);
   ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.accept.overload6 more...]]``
 
-  Protocol::socket ``[link asio.reference.basic_socket_acceptor.accept.overload7 accept]``(
-      asio::io_context & io_context);
+  template<
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  Protocol::socket::template rebind_executor< Executor1 >::other ``[link asio.reference.basic_socket_acceptor.accept.overload7 accept]``(
+      const Executor1 & ex,
+      typename enable_if< is_executor< Executor1 >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.accept.overload7 more...]]``
 
-  Protocol::socket ``[link asio.reference.basic_socket_acceptor.accept.overload8 accept]``(
-      asio::io_context & io_context,
-      asio::error_code & ec);
+  template<
+      typename ExecutionContext>
+  Protocol::socket::template rebind_executor< typename ExecutionContext::executor_type >::other ``[link asio.reference.basic_socket_acceptor.accept.overload8 accept]``(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.accept.overload8 more...]]``
 
-  Protocol::socket ``[link asio.reference.basic_socket_acceptor.accept.overload9 accept]``(
-      endpoint_type & peer_endpoint);
+  template<
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  Protocol::socket::template rebind_executor< Executor1 >::other ``[link asio.reference.basic_socket_acceptor.accept.overload9 accept]``(
+      const Executor1 & ex,
+      asio::error_code & ec,
+      typename enable_if< is_executor< Executor1 >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.accept.overload9 more...]]``
 
-  Protocol::socket ``[link asio.reference.basic_socket_acceptor.accept.overload10 accept]``(
-      endpoint_type & peer_endpoint,
-      asio::error_code & ec);
+  template<
+      typename ExecutionContext>
+  Protocol::socket::template rebind_executor< typename ExecutionContext::executor_type >::other ``[link asio.reference.basic_socket_acceptor.accept.overload10 accept]``(
+      ExecutionContext & context,
+      asio::error_code & ec,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.accept.overload10 more...]]``
 
   Protocol::socket ``[link asio.reference.basic_socket_acceptor.accept.overload11 accept]``(
-      asio::io_context & io_context,
       endpoint_type & peer_endpoint);
   ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.accept.overload11 more...]]``
 
   Protocol::socket ``[link asio.reference.basic_socket_acceptor.accept.overload12 accept]``(
-      asio::io_context & io_context,
       endpoint_type & peer_endpoint,
       asio::error_code & ec);
   ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.accept.overload12 more...]]``
 
+  template<
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  Protocol::socket::template rebind_executor< Executor1 >::other ``[link asio.reference.basic_socket_acceptor.accept.overload13 accept]``(
+      const Executor1 & ex,
+      endpoint_type & peer_endpoint,
+      typename enable_if< is_executor< Executor1 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.accept.overload13 more...]]``
 
-[section:overload1 basic_socket_acceptor::accept (1 of 12 overloads)]
+  template<
+      typename ExecutionContext>
+  Protocol::socket::template rebind_executor< typename ExecutionContext::executor_type >::other ``[link asio.reference.basic_socket_acceptor.accept.overload14 accept]``(
+      ExecutionContext & context,
+      endpoint_type & peer_endpoint,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.accept.overload14 more...]]``
+
+  template<
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  Protocol::socket::template rebind_executor< Executor1 >::other ``[link asio.reference.basic_socket_acceptor.accept.overload15 accept]``(
+      const executor_type & ex,
+      endpoint_type & peer_endpoint,
+      asio::error_code & ec,
+      typename enable_if< is_executor< Executor1 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.accept.overload15 more...]]``
+
+  template<
+      typename ExecutionContext>
+  Protocol::socket::template rebind_executor< typename ExecutionContext::executor_type >::other ``[link asio.reference.basic_socket_acceptor.accept.overload16 accept]``(
+      ExecutionContext & context,
+      endpoint_type & peer_endpoint,
+      asio::error_code & ec,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.accept.overload16 more...]]``
+
+
+[section:overload1 basic_socket_acceptor::accept (1 of 16 overloads)]
 
 
 Accept a new connection. 
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
   void accept(
-      basic_socket< Protocol1 > & peer,
+      basic_socket< Protocol1, Executor1 > & peer,
       typename enable_if< is_convertible< Protocol, Protocol1 >::value >::type *  = 0);
 
 
@@ -29204,9 +35570,9 @@ This function is used to accept a new connection from a peer into the given sock
   
 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    acceptor.accept(socket);
 
 
@@ -29219,16 +35585,17 @@ This function is used to accept a new connection from a peer into the given sock
 
 
 
-[section:overload2 basic_socket_acceptor::accept (2 of 12 overloads)]
+[section:overload2 basic_socket_acceptor::accept (2 of 16 overloads)]
 
 
 Accept a new connection. 
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
   void accept(
-      basic_socket< Protocol1 > & peer,
+      basic_socket< Protocol1, Executor1 > & peer,
       asio::error_code & ec,
       typename enable_if< is_convertible< Protocol, Protocol1 >::value >::type *  = 0);
 
@@ -29252,9 +35619,9 @@ This function is used to accept a new connection from a peer into the given sock
   
 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    asio::error_code ec;
    acceptor.accept(socket, ec);
    if (ec)
@@ -29272,14 +35639,16 @@ This function is used to accept a new connection from a peer into the given sock
 
 
 
-[section:overload3 basic_socket_acceptor::accept (3 of 12 overloads)]
+[section:overload3 basic_socket_acceptor::accept (3 of 16 overloads)]
 
 
 Accept a new connection and obtain the endpoint of the peer. 
 
 
+  template<
+      typename ``[link asio.reference.Executor1 Executor1]``>
   void accept(
-      basic_socket< protocol_type > & peer,
+      basic_socket< protocol_type, Executor1 > & peer,
       endpoint_type & peer_endpoint);
 
 
@@ -29312,9 +35681,9 @@ This function is used to accept a new connection from a peer into the given sock
   
 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    asio::ip::tcp::endpoint endpoint;
    acceptor.accept(socket, endpoint);
 
@@ -29328,14 +35697,16 @@ This function is used to accept a new connection from a peer into the given sock
 
 
 
-[section:overload4 basic_socket_acceptor::accept (4 of 12 overloads)]
+[section:overload4 basic_socket_acceptor::accept (4 of 16 overloads)]
 
 
 Accept a new connection and obtain the endpoint of the peer. 
 
 
+  template<
+      typename ``[link asio.reference.Executor1 Executor1]``>
   void accept(
-      basic_socket< protocol_type > & peer,
+      basic_socket< protocol_type, Executor1 > & peer,
       endpoint_type & peer_endpoint,
       asio::error_code & ec);
 
@@ -29361,9 +35732,9 @@ This function is used to accept a new connection from a peer into the given sock
   
 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    asio::ip::tcp::endpoint endpoint;
    asio::error_code ec;
    acceptor.accept(socket, endpoint, ec);
@@ -29382,7 +35753,7 @@ This function is used to accept a new connection from a peer into the given sock
 
 
 
-[section:overload5 basic_socket_acceptor::accept (5 of 12 overloads)]
+[section:overload5 basic_socket_acceptor::accept (5 of 16 overloads)]
 
 
 Accept a new connection. 
@@ -29415,7 +35786,7 @@ A socket object representing the newly accepted connection.
   
 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::ip::tcp::socket socket(acceptor.accept());
 
@@ -29429,7 +35800,7 @@ A socket object representing the newly accepted connection.
 
 
 
-[section:overload6 basic_socket_acceptor::accept (6 of 12 overloads)]
+[section:overload6 basic_socket_acceptor::accept (6 of 16 overloads)]
 
 
 Accept a new connection. 
@@ -29463,7 +35834,7 @@ On success, a socket object representing the newly accepted connection. On error
   
 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::ip::tcp::socket socket(acceptor.accept(ec));
    if (ec)
@@ -29481,14 +35852,17 @@ On success, a socket object representing the newly accepted connection. On error
 
 
 
-[section:overload7 basic_socket_acceptor::accept (7 of 12 overloads)]
+[section:overload7 basic_socket_acceptor::accept (7 of 16 overloads)]
 
 
 Accept a new connection. 
 
 
-  Protocol::socket accept(
-      asio::io_context & io_context);
+  template<
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  Protocol::socket::template rebind_executor< Executor1 >::other accept(
+      const Executor1 & ex,
+      typename enable_if< is_executor< Executor1 >::value >::type *  = 0);
 
 
 This function is used to accept a new connection from a peer. The function call will block until a new connection has been accepted successfully or an error occurs.
@@ -29501,7 +35875,7 @@ This overload requires that the Protocol template parameter satisfy the Acceptab
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object to be used for the newly accepted socket.]]
+[[ex][The I/O executor object to be used for the newly accepted socket.]]
 
 ]
 
@@ -29525,7 +35899,7 @@ A socket object representing the newly accepted connection.
   
 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::ip::tcp::socket socket(acceptor.accept());
 
@@ -29539,15 +35913,17 @@ A socket object representing the newly accepted connection.
 
 
 
-[section:overload8 basic_socket_acceptor::accept (8 of 12 overloads)]
+[section:overload8 basic_socket_acceptor::accept (8 of 16 overloads)]
 
 
 Accept a new connection. 
 
 
-  Protocol::socket accept(
-      asio::io_context & io_context,
-      asio::error_code & ec);
+  template<
+      typename ExecutionContext>
+  Protocol::socket::template rebind_executor< typename ExecutionContext::executor_type >::other accept(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
 
 
 This function is used to accept a new connection from a peer. The function call will block until a new connection has been accepted successfully or an error occurs.
@@ -29560,7 +35936,69 @@ This overload requires that the Protocol template parameter satisfy the Acceptab
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object to be used for the newly accepted socket.]]
+[[context][The I/O execution context object to be used for the newly accepted socket.]]
+
+]
+
+
+[heading Return Value]
+      
+A socket object representing the newly accepted connection.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure.]]
+
+]
+
+
+[heading Example]
+  
+
+
+   asio::ip::tcp::acceptor acceptor(my_context);
+   ...
+   asio::ip::tcp::socket socket(acceptor.accept());
+
+
+
+
+
+
+
+[endsect]
+
+
+
+[section:overload9 basic_socket_acceptor::accept (9 of 16 overloads)]
+
+
+Accept a new connection. 
+
+
+  template<
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  Protocol::socket::template rebind_executor< Executor1 >::other accept(
+      const Executor1 & ex,
+      asio::error_code & ec,
+      typename enable_if< is_executor< Executor1 >::value >::type *  = 0);
+
+
+This function is used to accept a new connection from a peer. The function call will block until a new connection has been accepted successfully or an error occurs.
+
+This overload requires that the Protocol template parameter satisfy the AcceptableProtocol type requirements.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ex][The I/O executor object to be used for the newly accepted socket.]]
 
 [[ec][Set to indicate what error occurred, if any.]]
 
@@ -29576,9 +36014,9 @@ On success, a socket object representing the newly accepted connection. On error
   
 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
-   asio::ip::tcp::socket socket(acceptor.accept(io_context2, ec));
+   asio::ip::tcp::socket socket(acceptor.accept(my_context2, ec));
    if (ec)
    {
      // An error occurred.
@@ -29594,7 +36032,65 @@ On success, a socket object representing the newly accepted connection. On error
 
 
 
-[section:overload9 basic_socket_acceptor::accept (9 of 12 overloads)]
+[section:overload10 basic_socket_acceptor::accept (10 of 16 overloads)]
+
+
+Accept a new connection. 
+
+
+  template<
+      typename ExecutionContext>
+  Protocol::socket::template rebind_executor< typename ExecutionContext::executor_type >::other accept(
+      ExecutionContext & context,
+      asio::error_code & ec,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This function is used to accept a new connection from a peer. The function call will block until a new connection has been accepted successfully or an error occurs.
+
+This overload requires that the Protocol template parameter satisfy the AcceptableProtocol type requirements.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][The I/O execution context object to be used for the newly accepted socket.]]
+
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+[heading Return Value]
+      
+On success, a socket object representing the newly accepted connection. On error, a socket object where `is_open()` is false.
+
+
+[heading Example]
+  
+
+
+   asio::ip::tcp::acceptor acceptor(my_context);
+   ...
+   asio::ip::tcp::socket socket(acceptor.accept(my_context2, ec));
+   if (ec)
+   {
+     // An error occurred.
+   }
+
+
+
+
+
+
+
+[endsect]
+
+
+
+[section:overload11 basic_socket_acceptor::accept (11 of 16 overloads)]
 
 
 Accept a new connection. 
@@ -29638,7 +36134,7 @@ A socket object representing the newly accepted connection.
   
 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::ip::tcp::endpoint endpoint;
    asio::ip::tcp::socket socket(acceptor.accept(endpoint));
@@ -29653,7 +36149,7 @@ A socket object representing the newly accepted connection.
 
 
 
-[section:overload10 basic_socket_acceptor::accept (10 of 12 overloads)]
+[section:overload12 basic_socket_acceptor::accept (12 of 16 overloads)]
 
 
 Accept a new connection. 
@@ -29690,7 +36186,7 @@ On success, a socket object representing the newly accepted connection. On error
   
 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::ip::tcp::endpoint endpoint;
    asio::ip::tcp::socket socket(acceptor.accept(endpoint, ec));
@@ -29709,15 +36205,18 @@ On success, a socket object representing the newly accepted connection. On error
 
 
 
-[section:overload11 basic_socket_acceptor::accept (11 of 12 overloads)]
+[section:overload13 basic_socket_acceptor::accept (13 of 16 overloads)]
 
 
 Accept a new connection. 
 
 
-  Protocol::socket accept(
-      asio::io_context & io_context,
-      endpoint_type & peer_endpoint);
+  template<
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  Protocol::socket::template rebind_executor< Executor1 >::other accept(
+      const Executor1 & ex,
+      endpoint_type & peer_endpoint,
+      typename enable_if< is_executor< Executor1 >::value >::type *  = 0);
 
 
 This function is used to accept a new connection from a peer. The function call will block until a new connection has been accepted successfully or an error occurs.
@@ -29730,7 +36229,7 @@ This overload requires that the Protocol template parameter satisfy the Acceptab
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object to be used for the newly accepted socket.]]
+[[ex][The I/O executor object to be used for the newly accepted socket.]]
 
 [[peer_endpoint][An endpoint object into which the endpoint of the remote peer will be written.]]
 
@@ -29756,11 +36255,11 @@ A socket object representing the newly accepted connection.
   
 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::ip::tcp::endpoint endpoint;
    asio::ip::tcp::socket socket(
-       acceptor.accept(io_context2, endpoint));
+       acceptor.accept(my_context2, endpoint));
 
 
 
@@ -29772,16 +36271,18 @@ A socket object representing the newly accepted connection.
 
 
 
-[section:overload12 basic_socket_acceptor::accept (12 of 12 overloads)]
+[section:overload14 basic_socket_acceptor::accept (14 of 16 overloads)]
 
 
 Accept a new connection. 
 
 
-  Protocol::socket accept(
-      asio::io_context & io_context,
+  template<
+      typename ExecutionContext>
+  Protocol::socket::template rebind_executor< typename ExecutionContext::executor_type >::other accept(
+      ExecutionContext & context,
       endpoint_type & peer_endpoint,
-      asio::error_code & ec);
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
 
 
 This function is used to accept a new connection from a peer. The function call will block until a new connection has been accepted successfully or an error occurs.
@@ -29794,7 +36295,74 @@ This overload requires that the Protocol template parameter satisfy the Acceptab
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object to be used for the newly accepted socket.]]
+[[context][The I/O execution context object to be used for the newly accepted socket.]]
+
+[[peer_endpoint][An endpoint object into which the endpoint of the remote peer will be written.]]
+
+]
+
+
+[heading Return Value]
+      
+A socket object representing the newly accepted connection.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure.]]
+
+]
+
+
+[heading Example]
+  
+
+
+   asio::ip::tcp::acceptor acceptor(my_context);
+   ...
+   asio::ip::tcp::endpoint endpoint;
+   asio::ip::tcp::socket socket(
+       acceptor.accept(my_context2, endpoint));
+
+
+
+
+
+
+
+[endsect]
+
+
+
+[section:overload15 basic_socket_acceptor::accept (15 of 16 overloads)]
+
+
+Accept a new connection. 
+
+
+  template<
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  Protocol::socket::template rebind_executor< Executor1 >::other accept(
+      const executor_type & ex,
+      endpoint_type & peer_endpoint,
+      asio::error_code & ec,
+      typename enable_if< is_executor< Executor1 >::value >::type *  = 0);
+
+
+This function is used to accept a new connection from a peer. The function call will block until a new connection has been accepted successfully or an error occurs.
+
+This overload requires that the Protocol template parameter satisfy the AcceptableProtocol type requirements.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ex][The I/O executor object to be used for the newly accepted socket.]]
 
 [[peer_endpoint][An endpoint object into which the endpoint of the remote peer will be written.]]
 
@@ -29812,11 +36380,74 @@ On success, a socket object representing the newly accepted connection. On error
   
 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::ip::tcp::endpoint endpoint;
    asio::ip::tcp::socket socket(
-       acceptor.accept(io_context2, endpoint, ec));
+       acceptor.accept(my_context2, endpoint, ec));
+   if (ec)
+   {
+     // An error occurred.
+   }
+
+
+
+
+
+
+
+[endsect]
+
+
+
+[section:overload16 basic_socket_acceptor::accept (16 of 16 overloads)]
+
+
+Accept a new connection. 
+
+
+  template<
+      typename ExecutionContext>
+  Protocol::socket::template rebind_executor< typename ExecutionContext::executor_type >::other accept(
+      ExecutionContext & context,
+      endpoint_type & peer_endpoint,
+      asio::error_code & ec,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This function is used to accept a new connection from a peer. The function call will block until a new connection has been accepted successfully or an error occurs.
+
+This overload requires that the Protocol template parameter satisfy the AcceptableProtocol type requirements.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][The I/O execution context object to be used for the newly accepted socket.]]
+
+[[peer_endpoint][An endpoint object into which the endpoint of the remote peer will be written.]]
+
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+[heading Return Value]
+      
+On success, a socket object representing the newly accepted connection. On error, a socket object where `is_open()` is false.
+
+
+[heading Example]
+  
+
+
+   asio::ip::tcp::acceptor acceptor(my_context);
+   ...
+   asio::ip::tcp::endpoint endpoint;
+   asio::ip::tcp::socket socket(
+       acceptor.accept(my_context2, endpoint, ec));
    if (ec)
    {
      // An error occurred.
@@ -29893,17 +36524,19 @@ Start an asynchronous accept.
 
   template<
       typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``,
       typename ``[link asio.reference.AcceptHandler AcceptHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.basic_socket_acceptor.async_accept.overload1 async_accept]``(
-      basic_socket< Protocol1 > & peer,
+      basic_socket< Protocol1, Executor1 > & peer,
       AcceptHandler && handler,
       typename enable_if< is_convertible< Protocol, Protocol1 >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.async_accept.overload1 more...]]``
 
   template<
+      typename ``[link asio.reference.Executor1 Executor1]``,
       typename ``[link asio.reference.AcceptHandler AcceptHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.basic_socket_acceptor.async_accept.overload2 async_accept]``(
-      basic_socket< protocol_type > & peer,
+      basic_socket< protocol_type, Executor1 > & peer,
       endpoint_type & peer_endpoint,
       AcceptHandler && handler);
   ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.async_accept.overload2 more...]]``
@@ -29915,29 +36548,52 @@ Start an asynchronous accept.
   ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.async_accept.overload3 more...]]``
 
   template<
+      typename ``[link asio.reference.Executor1 Executor1]``,
       typename ``[link asio.reference.MoveAcceptHandler MoveAcceptHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.basic_socket_acceptor.async_accept.overload4 async_accept]``(
-      asio::io_context & io_context,
-      MoveAcceptHandler && handler);
+      const Executor1 & ex,
+      MoveAcceptHandler && handler,
+      typename enable_if< is_executor< Executor1 >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.async_accept.overload4 more...]]``
 
   template<
+      typename ExecutionContext,
       typename ``[link asio.reference.MoveAcceptHandler MoveAcceptHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.basic_socket_acceptor.async_accept.overload5 async_accept]``(
-      endpoint_type & peer_endpoint,
-      MoveAcceptHandler && handler);
+      ExecutionContext & context,
+      MoveAcceptHandler && handler,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.async_accept.overload5 more...]]``
 
   template<
       typename ``[link asio.reference.MoveAcceptHandler MoveAcceptHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.basic_socket_acceptor.async_accept.overload6 async_accept]``(
-      asio::io_context & io_context,
       endpoint_type & peer_endpoint,
       MoveAcceptHandler && handler);
   ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.async_accept.overload6 more...]]``
 
+  template<
+      typename ``[link asio.reference.Executor1 Executor1]``,
+      typename ``[link asio.reference.MoveAcceptHandler MoveAcceptHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.basic_socket_acceptor.async_accept.overload7 async_accept]``(
+      const Executor1 & ex,
+      endpoint_type & peer_endpoint,
+      MoveAcceptHandler && handler,
+      typename enable_if< is_executor< Executor1 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.async_accept.overload7 more...]]``
 
-[section:overload1 basic_socket_acceptor::async_accept (1 of 6 overloads)]
+  template<
+      typename ExecutionContext,
+      typename ``[link asio.reference.MoveAcceptHandler MoveAcceptHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.basic_socket_acceptor.async_accept.overload8 async_accept]``(
+      ExecutionContext & context,
+      endpoint_type & peer_endpoint,
+      MoveAcceptHandler && handler,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.async_accept.overload8 more...]]``
+
+
+[section:overload1 basic_socket_acceptor::async_accept (1 of 8 overloads)]
 
 
 Start an asynchronous accept. 
@@ -29945,9 +36601,10 @@ Start an asynchronous accept.
 
   template<
       typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``,
       typename ``[link asio.reference.AcceptHandler AcceptHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_accept(
-      basic_socket< Protocol1 > & peer,
+      basic_socket< Protocol1, Executor1 > & peer,
       AcceptHandler && handler,
       typename enable_if< is_convertible< Protocol, Protocol1 >::value >::type *  = 0);
 
@@ -29968,7 +36625,7 @@ This function is used to asynchronously accept a new connection into a socket. T
      const asio::error_code& error // Result of operation.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -29987,9 +36644,9 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
    ...
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    acceptor.async_accept(socket, accept_handler);
 
 
@@ -30002,16 +36659,17 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
 
 
-[section:overload2 basic_socket_acceptor::async_accept (2 of 6 overloads)]
+[section:overload2 basic_socket_acceptor::async_accept (2 of 8 overloads)]
 
 
 Start an asynchronous accept. 
 
 
   template<
+      typename ``[link asio.reference.Executor1 Executor1]``,
       typename ``[link asio.reference.AcceptHandler AcceptHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_accept(
-      basic_socket< protocol_type > & peer,
+      basic_socket< protocol_type, Executor1 > & peer,
       endpoint_type & peer_endpoint,
       AcceptHandler && handler);
 
@@ -30034,7 +36692,7 @@ This function is used to asynchronously accept a new connection into a socket, a
      const asio::error_code& error // Result of operation.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`. ]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`]. ]]
 
 ]
 
@@ -30045,7 +36703,7 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
 
 
-[section:overload3 basic_socket_acceptor::async_accept (3 of 6 overloads)]
+[section:overload3 basic_socket_acceptor::async_accept (3 of 8 overloads)]
 
 
 Start an asynchronous accept. 
@@ -30074,7 +36732,7 @@ This overload requires that the Protocol template parameter satisfy the Acceptab
      typename Protocol::socket peer // On success, the newly accepted socket.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -30094,7 +36752,7 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
    ...
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    acceptor.async_accept(accept_handler);
 
@@ -30108,17 +36766,19 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
 
 
-[section:overload4 basic_socket_acceptor::async_accept (4 of 6 overloads)]
+[section:overload4 basic_socket_acceptor::async_accept (4 of 8 overloads)]
 
 
 Start an asynchronous accept. 
 
 
   template<
+      typename ``[link asio.reference.Executor1 Executor1]``,
       typename ``[link asio.reference.MoveAcceptHandler MoveAcceptHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_accept(
-      asio::io_context & io_context,
-      MoveAcceptHandler && handler);
+      const Executor1 & ex,
+      MoveAcceptHandler && handler,
+      typename enable_if< is_executor< Executor1 >::value >::type *  = 0);
 
 
 This function is used to asynchronously accept a new connection. The function call always returns immediately.
@@ -30131,16 +36791,17 @@ This overload requires that the Protocol template parameter satisfy the Acceptab
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object to be used for the newly accepted socket.]]
+[[ex][The I/O executor object to be used for the newly accepted socket.]]
 
 [[handler][The handler to be called when the accept operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
 ``
    void handler(
      const asio::error_code& error, // Result of operation.
-     typename Protocol::socket peer // On success, the newly accepted socket.
+     typename Protocol::socket::template rebind_executor<
+       Executor1>::other peer // On success, the newly accepted socket.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -30160,9 +36821,9 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
    ...
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
-   acceptor.async_accept(io_context2, accept_handler);
+   acceptor.async_accept(my_context2, accept_handler);
 
 
 
@@ -30174,7 +36835,77 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
 
 
-[section:overload5 basic_socket_acceptor::async_accept (5 of 6 overloads)]
+[section:overload5 basic_socket_acceptor::async_accept (5 of 8 overloads)]
+
+
+Start an asynchronous accept. 
+
+
+  template<
+      typename ExecutionContext,
+      typename ``[link asio.reference.MoveAcceptHandler MoveAcceptHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_accept(
+      ExecutionContext & context,
+      MoveAcceptHandler && handler,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This function is used to asynchronously accept a new connection. The function call always returns immediately.
+
+This overload requires that the Protocol template parameter satisfy the AcceptableProtocol type requirements.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][The I/O execution context object to be used for the newly accepted socket.]]
+
+[[handler][The handler to be called when the accept operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
+``
+   void handler(
+     const asio::error_code& error, // Result of operation.
+     typename Protocol::socket::template rebind_executor<
+       typename ExecutionContext::executor_type>::other peer
+         // On success, the newly accepted socket.
+   ); 
+``
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
+
+]
+
+
+[heading Example]
+  
+
+
+   void accept_handler(const asio::error_code& error,
+       asio::ip::tcp::socket peer)
+   {
+     if (!error)
+     {
+       // Accept succeeded.
+     }
+   }
+
+   ...
+
+   asio::ip::tcp::acceptor acceptor(my_context);
+   ...
+   acceptor.async_accept(my_context2, accept_handler);
+
+
+
+
+
+
+
+[endsect]
+
+
+
+[section:overload6 basic_socket_acceptor::async_accept (6 of 8 overloads)]
 
 
 Start an asynchronous accept. 
@@ -30206,7 +36937,7 @@ This overload requires that the Protocol template parameter satisfy the Acceptab
      typename Protocol::socket peer // On success, the newly accepted socket.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -30226,7 +36957,7 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
    ...
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::ip::tcp::endpoint endpoint;
    acceptor.async_accept(endpoint, accept_handler);
@@ -30241,18 +36972,20 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
 
 
-[section:overload6 basic_socket_acceptor::async_accept (6 of 6 overloads)]
+[section:overload7 basic_socket_acceptor::async_accept (7 of 8 overloads)]
 
 
 Start an asynchronous accept. 
 
 
   template<
+      typename ``[link asio.reference.Executor1 Executor1]``,
       typename ``[link asio.reference.MoveAcceptHandler MoveAcceptHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_accept(
-      asio::io_context & io_context,
+      const Executor1 & ex,
       endpoint_type & peer_endpoint,
-      MoveAcceptHandler && handler);
+      MoveAcceptHandler && handler,
+      typename enable_if< is_executor< Executor1 >::value >::type *  = 0);
 
 
 This function is used to asynchronously accept a new connection. The function call always returns immediately.
@@ -30265,7 +36998,7 @@ This overload requires that the Protocol template parameter satisfy the Acceptab
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object to be used for the newly accepted socket.]]
+[[ex][The I/O executor object to be used for the newly accepted socket.]]
 
 [[peer_endpoint][An endpoint object into which the endpoint of the remote peer will be written. Ownership of the peer\_endpoint object is retained by the caller, which must guarantee that it is valid until the handler is called.]]
 
@@ -30273,10 +37006,11 @@ This overload requires that the Protocol template parameter satisfy the Acceptab
 ``
    void handler(
      const asio::error_code& error, // Result of operation.
-     typename Protocol::socket peer // On success, the newly accepted socket.
+     typename Protocol::socket::template rebind_executor<
+       Executor1>::other peer // On success, the newly accepted socket.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -30296,10 +37030,84 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
    ...
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::ip::tcp::endpoint endpoint;
-   acceptor.async_accept(io_context2, endpoint, accept_handler);
+   acceptor.async_accept(my_context2, endpoint, accept_handler);
+
+
+
+
+
+
+
+[endsect]
+
+
+
+[section:overload8 basic_socket_acceptor::async_accept (8 of 8 overloads)]
+
+
+Start an asynchronous accept. 
+
+
+  template<
+      typename ExecutionContext,
+      typename ``[link asio.reference.MoveAcceptHandler MoveAcceptHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_accept(
+      ExecutionContext & context,
+      endpoint_type & peer_endpoint,
+      MoveAcceptHandler && handler,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This function is used to asynchronously accept a new connection. The function call always returns immediately.
+
+This overload requires that the Protocol template parameter satisfy the AcceptableProtocol type requirements.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][The I/O execution context object to be used for the newly accepted socket.]]
+
+[[peer_endpoint][An endpoint object into which the endpoint of the remote peer will be written. Ownership of the peer\_endpoint object is retained by the caller, which must guarantee that it is valid until the handler is called.]]
+
+[[handler][The handler to be called when the accept operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
+``
+   void handler(
+     const asio::error_code& error, // Result of operation.
+     typename Protocol::socket::template rebind_executor<
+       typename ExecutionContext::executor_type>::other peer
+         // On success, the newly accepted socket.
+   ); 
+``
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
+
+]
+
+
+[heading Example]
+  
+
+
+   void accept_handler(const asio::error_code& error,
+       asio::ip::tcp::socket peer)
+   {
+     if (!error)
+     {
+       // Accept succeeded.
+     }
+   }
+
+   ...
+
+   asio::ip::tcp::acceptor acceptor(my_context);
+   ...
+   asio::ip::tcp::endpoint endpoint;
+   acceptor.async_accept(my_context2, endpoint, accept_handler);
 
 
 
@@ -30342,7 +37150,7 @@ This function is used to perform an asynchronous wait for an acceptor to enter a
      const asio::error_code& error // Result of operation
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -30361,7 +37169,7 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
    ...
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    acceptor.async_wait(
        asio::ip::tcp::acceptor::wait_read,
@@ -30383,66 +37191,100 @@ Construct an acceptor without opening it.
 
 
   explicit ``[link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload1 basic_socket_acceptor]``(
-      asio::io_context & io_context);
+      const executor_type & ex);
   ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload1 more...]]``
 
+  template<
+      typename ExecutionContext>
+  explicit ``[link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload2 basic_socket_acceptor]``(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload2 more...]]``
+
 
 Construct an open acceptor. 
 
 
-  ``[link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload2 basic_socket_acceptor]``(
-      asio::io_context & io_context,
+  ``[link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload3 basic_socket_acceptor]``(
+      const executor_type & ex,
       const protocol_type & protocol);
-  ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload2 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload3 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload4 basic_socket_acceptor]``(
+      ExecutionContext & context,
+      const protocol_type & protocol,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload4 more...]]``
 
 
 Construct an acceptor opened on the given endpoint. 
 
 
-  ``[link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload3 basic_socket_acceptor]``(
-      asio::io_context & io_context,
+  ``[link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload5 basic_socket_acceptor]``(
+      const executor_type & ex,
       const endpoint_type & endpoint,
       bool reuse_addr = true);
-  ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload3 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload5 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload6 basic_socket_acceptor]``(
+      ExecutionContext & context,
+      const endpoint_type & endpoint,
+      bool reuse_addr = true,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload6 more...]]``
 
 
 Construct a [link asio.reference.basic_socket_acceptor `basic_socket_acceptor`] on an existing native acceptor. 
 
 
-  ``[link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload4 basic_socket_acceptor]``(
-      asio::io_context & io_context,
+  ``[link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload7 basic_socket_acceptor]``(
+      const executor_type & ex,
       const protocol_type & protocol,
       const native_handle_type & native_acceptor);
-  ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload4 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload7 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload8 basic_socket_acceptor]``(
+      ExecutionContext & context,
+      const protocol_type & protocol,
+      const native_handle_type & native_acceptor,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload8 more...]]``
 
 
 Move-construct a [link asio.reference.basic_socket_acceptor `basic_socket_acceptor`] from another. 
 
 
-  ``[link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload5 basic_socket_acceptor]``(
+  ``[link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload9 basic_socket_acceptor]``(
       basic_socket_acceptor && other);
-  ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload5 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload9 more...]]``
 
 
 Move-construct a [link asio.reference.basic_socket_acceptor `basic_socket_acceptor`] from an acceptor of another protocol type. 
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
-  ``[link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload6 basic_socket_acceptor]``(
-      basic_socket_acceptor< Protocol1 > && other,
-      typename enable_if< is_convertible< Protocol1, Protocol >::value >::type *  = 0);
-  ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload6 more...]]``
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  ``[link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload10 basic_socket_acceptor]``(
+      basic_socket_acceptor< Protocol1, Executor1 > && other,
+      typename enable_if< is_convertible< Protocol1, Protocol >::value &&is_convertible< Executor1, Executor >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.basic_socket_acceptor.overload10 more...]]``
 
 
-[section:overload1 basic_socket_acceptor::basic_socket_acceptor (1 of 6 overloads)]
+[section:overload1 basic_socket_acceptor::basic_socket_acceptor (1 of 10 overloads)]
 
 
 Construct an acceptor without opening it. 
 
 
   basic_socket_acceptor(
-      asio::io_context & io_context);
+      const executor_type & ex);
 
 
 This constructor creates an acceptor without opening it to listen for new connections. The `open()` function must be called before the acceptor can accept new socket connections.
@@ -30453,7 +37295,7 @@ This constructor creates an acceptor without opening it to listen for new connec
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the acceptor will use to dispatch handlers for any asynchronous operations performed on the acceptor. ]]
+[[ex][The I/O executor that the acceptor will use, by default, to dispatch handlers for any asynchronous operations performed on the acceptor. ]]
 
 ]
 
@@ -30464,14 +37306,46 @@ This constructor creates an acceptor without opening it to listen for new connec
 
 
 
-[section:overload2 basic_socket_acceptor::basic_socket_acceptor (2 of 6 overloads)]
+[section:overload2 basic_socket_acceptor::basic_socket_acceptor (2 of 10 overloads)]
+
+
+Construct an acceptor without opening it. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_socket_acceptor(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates an acceptor without opening it to listen for new connections. The `open()` function must be called before the acceptor can accept new socket connections.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the acceptor will use, by default, to dispatch handlers for any asynchronous operations performed on the acceptor. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload3 basic_socket_acceptor::basic_socket_acceptor (3 of 10 overloads)]
 
 
 Construct an open acceptor. 
 
 
   basic_socket_acceptor(
-      asio::io_context & io_context,
+      const executor_type & ex,
       const protocol_type & protocol);
 
 
@@ -30483,7 +37357,7 @@ This constructor creates an acceptor and automatically opens it.
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the acceptor will use to dispatch handlers for any asynchronous operations performed on the acceptor.]]
+[[ex][The I/O executor that the acceptor will use, by default, to dispatch handlers for any asynchronous operations performed on the acceptor.]]
 
 [[protocol][An object specifying protocol parameters to be used.]]
 
@@ -30506,14 +37380,59 @@ This constructor creates an acceptor and automatically opens it.
 
 
 
-[section:overload3 basic_socket_acceptor::basic_socket_acceptor (3 of 6 overloads)]
+[section:overload4 basic_socket_acceptor::basic_socket_acceptor (4 of 10 overloads)]
+
+
+Construct an open acceptor. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_socket_acceptor(
+      ExecutionContext & context,
+      const protocol_type & protocol,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates an acceptor and automatically opens it.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the acceptor will use, by default, to dispatch handlers for any asynchronous operations performed on the acceptor.]]
+
+[[protocol][An object specifying protocol parameters to be used.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload5 basic_socket_acceptor::basic_socket_acceptor (5 of 10 overloads)]
 
 
 Construct an acceptor opened on the given endpoint. 
 
 
   basic_socket_acceptor(
-      asio::io_context & io_context,
+      const executor_type & ex,
       const endpoint_type & endpoint,
       bool reuse_addr = true);
 
@@ -30526,7 +37445,7 @@ This constructor creates an acceptor and automatically opens it to listen for ne
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the acceptor will use to dispatch handlers for any asynchronous operations performed on the acceptor.]]
+[[ex][The I/O executor that the acceptor will use, by default, to dispatch handlers for any asynchronous operations performed on the acceptor.]]
 
 [[endpoint][An endpoint on the local machine on which the acceptor will listen for new connections.]]
 
@@ -30549,12 +37468,12 @@ This constructor creates an acceptor and automatically opens it to listen for ne
       
 This constructor is equivalent to the following code: 
 
-   basic_socket_acceptor<Protocol> acceptor(io_context);
+   basic_socket_acceptor<Protocol> acceptor(my_context);
    acceptor.open(endpoint.protocol());
    if (reuse_addr)
      acceptor.set_option(socket_base::reuse_address(true));
    acceptor.bind(endpoint);
-   acceptor.listen(listen_backlog);
+   acceptor.listen();
 
 
 
@@ -30566,14 +37485,77 @@ This constructor is equivalent to the following code:
 
 
 
-[section:overload4 basic_socket_acceptor::basic_socket_acceptor (4 of 6 overloads)]
+[section:overload6 basic_socket_acceptor::basic_socket_acceptor (6 of 10 overloads)]
+
+
+Construct an acceptor opened on the given endpoint. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_socket_acceptor(
+      ExecutionContext & context,
+      const endpoint_type & endpoint,
+      bool reuse_addr = true,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates an acceptor and automatically opens it to listen for new connections on the specified endpoint.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the acceptor will use, by default, to dispatch handlers for any asynchronous operations performed on the acceptor.]]
+
+[[endpoint][An endpoint on the local machine on which the acceptor will listen for new connections.]]
+
+[[reuse_addr][Whether the constructor should set the socket option `socket_base::reuse_address`.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure.]]
+
+]
+
+
+[heading Remarks]
+      
+This constructor is equivalent to the following code: 
+
+   basic_socket_acceptor<Protocol> acceptor(my_context);
+   acceptor.open(endpoint.protocol());
+   if (reuse_addr)
+     acceptor.set_option(socket_base::reuse_address(true));
+   acceptor.bind(endpoint);
+   acceptor.listen();
+
+
+
+
+
+
+
+[endsect]
+
+
+
+[section:overload7 basic_socket_acceptor::basic_socket_acceptor (7 of 10 overloads)]
 
 
 Construct a [link asio.reference.basic_socket_acceptor `basic_socket_acceptor`] on an existing native acceptor. 
 
 
   basic_socket_acceptor(
-      asio::io_context & io_context,
+      const executor_type & ex,
       const protocol_type & protocol,
       const native_handle_type & native_acceptor);
 
@@ -30586,7 +37568,7 @@ This constructor creates an acceptor object to hold an existing native acceptor.
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the acceptor will use to dispatch handlers for any asynchronous operations performed on the acceptor.]]
+[[ex][The I/O executor that the acceptor will use, by default, to dispatch handlers for any asynchronous operations performed on the acceptor.]]
 
 [[protocol][An object specifying protocol parameters to be used.]]
 
@@ -30611,7 +37593,55 @@ This constructor creates an acceptor object to hold an existing native acceptor.
 
 
 
-[section:overload5 basic_socket_acceptor::basic_socket_acceptor (5 of 6 overloads)]
+[section:overload8 basic_socket_acceptor::basic_socket_acceptor (8 of 10 overloads)]
+
+
+Construct a [link asio.reference.basic_socket_acceptor `basic_socket_acceptor`] on an existing native acceptor. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_socket_acceptor(
+      ExecutionContext & context,
+      const protocol_type & protocol,
+      const native_handle_type & native_acceptor,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates an acceptor object to hold an existing native acceptor.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the acceptor will use, by default, to dispatch handlers for any asynchronous operations performed on the acceptor.]]
+
+[[protocol][An object specifying protocol parameters to be used.]]
+
+[[native_acceptor][A native acceptor.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload9 basic_socket_acceptor::basic_socket_acceptor (9 of 10 overloads)]
 
 
 Move-construct a [link asio.reference.basic_socket_acceptor `basic_socket_acceptor`] from another. 
@@ -30636,7 +37666,7 @@ This constructor moves an acceptor from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_socket_acceptor(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_socket_acceptor(const executor_type&)` constructor. 
 
 
 
@@ -30645,17 +37675,18 @@ Following the move, the moved-from object is in the same state as if constructed
 
 
 
-[section:overload6 basic_socket_acceptor::basic_socket_acceptor (6 of 6 overloads)]
+[section:overload10 basic_socket_acceptor::basic_socket_acceptor (10 of 10 overloads)]
 
 
 Move-construct a [link asio.reference.basic_socket_acceptor `basic_socket_acceptor`] from an acceptor of another protocol type. 
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
   basic_socket_acceptor(
-      basic_socket_acceptor< Protocol1 > && other,
-      typename enable_if< is_convertible< Protocol1, Protocol >::value >::type *  = 0);
+      basic_socket_acceptor< Protocol1, Executor1 > && other,
+      typename enable_if< is_convertible< Protocol1, Protocol >::value &&is_convertible< Executor1, Executor >::value >::type *  = 0);
 
 
 This constructor moves an acceptor from one object to another.
@@ -30673,7 +37704,7 @@ This constructor moves an acceptor from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_socket(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_socket_acceptor(const executor_type&)` constructor. 
 
 
 
@@ -30736,7 +37767,7 @@ This function binds the socket acceptor to the specified endpoint on the local m
   
 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    asio::ip::tcp::endpoint endpoint(asio::ip::tcp::v4(), 12345);
    acceptor.open(endpoint.protocol());
    acceptor.bind(endpoint);
@@ -30781,7 +37812,7 @@ This function binds the socket acceptor to the specified endpoint on the local m
   
 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    asio::ip::tcp::endpoint endpoint(asio::ip::tcp::v4(), 12345);
    acceptor.open(endpoint.protocol());
    asio::error_code ec;
@@ -30823,7 +37854,7 @@ Implements the SOL\_SOCKET/SO\_BROADCAST socket option.
   
 Setting the option: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::broadcast option(true);
    socket.set_option(option);
@@ -30834,7 +37865,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::broadcast option;
    socket.get_option(option);
@@ -30877,7 +37908,7 @@ Implements the FIONREAD IO control command.
   
 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::bytes_readable command(true);
    socket.io_control(command);
@@ -31044,7 +38075,7 @@ A subsequent call to `open()` is required before the acceptor can again be used
   
 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::error_code ec;
    acceptor.close(ec);
@@ -31085,7 +38116,7 @@ Implements the SOL\_SOCKET/SO\_DEBUG socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::debug option(true);
    socket.set_option(option);
@@ -31096,7 +38127,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::debug option;
    socket.get_option(option);
@@ -31139,7 +38170,7 @@ Implements the SOL\_SOCKET/SO\_DONTROUTE socket option.
   
 Setting the option: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::do_not_route option(true);
    socket.set_option(option);
@@ -31150,7 +38181,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::do_not_route option;
    socket.get_option(option);
@@ -31193,7 +38224,7 @@ Implements a custom socket option that determines whether or not an accept opera
   
 Setting the option: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::enable_connection_aborted option(true);
    acceptor.set_option(option);
@@ -31204,7 +38235,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::enable_connection_aborted option;
    acceptor.get_option(option);
@@ -31254,66 +38285,9 @@ The endpoint type.
 The type of the executor associated with the object. 
 
 
-  typedef io_context::executor_type executor_type;
+  typedef Executor executor_type;
 
 
-[heading Member Functions]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.context [*context]]]
-    [Obtain the underlying execution context. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.defer [*defer]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.dispatch [*dispatch]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_finished [*on_work_finished]]]
-    [Inform the io_context that some work is no longer outstanding. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_started [*on_work_started]]]
-    [Inform the io_context that it has some outstanding work to do. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.post [*post]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.running_in_this_thread [*running_in_this_thread]]]
-    [Determine whether the io_context is running in the current thread. ]
-  ]
-  
-]
-
-[heading Friends]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.operator_not__eq_ [*operator!=]]]
-    [Compare two executors for inequality. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.operator_eq__eq_ [*operator==]]]
-    [Compare two executors for equality. ]
-  ]
-  
-]
-
 
 [heading Requirements]
 
@@ -31336,52 +38310,6 @@ Get the executor associated with the object.
 
 
 
-[endsect]
-
-
-
-[section:get_io_context basic_socket_acceptor::get_io_context]
-
-[indexterm2 asio.indexterm.basic_socket_acceptor.get_io_context..get_io_context..basic_socket_acceptor] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_context();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
-[section:get_io_service basic_socket_acceptor::get_io_service]
-
-[indexterm2 asio.indexterm.basic_socket_acceptor.get_io_service..get_io_service..basic_socket_acceptor] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_service();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
 [endsect]
 
 
@@ -31394,14 +38322,14 @@ Get an option from the acceptor.
   template<
       typename ``[link asio.reference.GettableSocketOption GettableSocketOption]``>
   void ``[link asio.reference.basic_socket_acceptor.get_option.overload1 get_option]``(
-      GettableSocketOption & option);
+      GettableSocketOption & option) const;
   ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.get_option.overload1 more...]]``
 
   template<
       typename ``[link asio.reference.GettableSocketOption GettableSocketOption]``>
   void ``[link asio.reference.basic_socket_acceptor.get_option.overload2 get_option]``(
       GettableSocketOption & option,
-      asio::error_code & ec);
+      asio::error_code & ec) const;
   ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.get_option.overload2 more...]]``
 
 
@@ -31414,7 +38342,7 @@ Get an option from the acceptor.
   template<
       typename ``[link asio.reference.GettableSocketOption GettableSocketOption]``>
   void get_option(
-      GettableSocketOption & option);
+      GettableSocketOption & option) const;
 
 
 This function is used to get the current value of an option on the acceptor.
@@ -31445,7 +38373,7 @@ This function is used to get the current value of an option on the acceptor.
   
 Getting the value of the SOL\_SOCKET/SO\_REUSEADDR option: 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::ip::tcp::acceptor::reuse_address option;
    acceptor.get_option(option);
@@ -31471,7 +38399,7 @@ Get an option from the acceptor.
       typename ``[link asio.reference.GettableSocketOption GettableSocketOption]``>
   void get_option(
       GettableSocketOption & option,
-      asio::error_code & ec);
+      asio::error_code & ec) const;
 
 
 This function is used to get the current value of an option on the acceptor.
@@ -31494,7 +38422,7 @@ This function is used to get the current value of an option on the acceptor.
   
 Getting the value of the SOL\_SOCKET/SO\_REUSEADDR option: 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::ip::tcp::acceptor::reuse_address option;
    asio::error_code ec;
@@ -31576,7 +38504,7 @@ This function is used to execute an IO control command on the acceptor.
   
 Getting the number of bytes ready to read: 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::ip::tcp::acceptor::non_blocking_io command(true);
    socket.io_control(command);
@@ -31624,7 +38552,7 @@ This function is used to execute an IO control command on the acceptor.
   
 Getting the number of bytes ready to read: 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::ip::tcp::acceptor::non_blocking_io command(true);
    asio::error_code ec;
@@ -31680,7 +38608,7 @@ Implements the SOL\_SOCKET/SO\_KEEPALIVE socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::keep_alive option(true);
    socket.set_option(option);
@@ -31691,7 +38619,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::keep_alive option;
    socket.get_option(option);
@@ -31734,7 +38662,7 @@ Implements the SOL\_SOCKET/SO\_LINGER socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::linger option(true, 30);
    socket.set_option(option);
@@ -31745,7 +38673,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::linger option;
    socket.get_option(option);
@@ -31853,7 +38781,7 @@ This function puts the socket acceptor into the state where it may accept new co
   
 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::error_code ec;
    acceptor.listen(asio::socket_base::max_listen_connections, ec);
@@ -31918,7 +38846,7 @@ An object that represents the local endpoint of the acceptor.
   
 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::ip::tcp::endpoint endpoint = acceptor.local_endpoint();
 
@@ -31964,7 +38892,7 @@ An object that represents the local endpoint of the acceptor. Returns a default-
   
 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::error_code ec;
    asio::ip::tcp::endpoint endpoint = acceptor.local_endpoint(ec);
@@ -32450,7 +39378,7 @@ This function opens the socket acceptor so that it will use the specified protoc
   
 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    acceptor.open(asio::ip::tcp::v4());
 
 
@@ -32493,7 +39421,7 @@ This function opens the socket acceptor so that it will use the specified protoc
   
 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    asio::error_code ec;
    acceptor.open(asio::ip::tcp::v4(), ec);
    if (ec)
@@ -32527,9 +39455,10 @@ Move-assign a [link asio.reference.basic_socket_acceptor `basic_socket_acceptor`
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
-  enable_if< is_convertible< Protocol1, Protocol >::value, basic_socket_acceptor >::type & ``[link asio.reference.basic_socket_acceptor.operator_eq_.overload2 operator=]``(
-      basic_socket_acceptor< Protocol1 > && other);
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  enable_if< is_convertible< Protocol1, Protocol >::value &&is_convertible< Executor1, Executor >::value, basic_socket_acceptor & >::type ``[link asio.reference.basic_socket_acceptor.operator_eq_.overload2 operator=]``(
+      basic_socket_acceptor< Protocol1, Executor1 > && other);
   ``  [''''&raquo;''' [link asio.reference.basic_socket_acceptor.operator_eq_.overload2 more...]]``
 
 
@@ -32558,7 +39487,7 @@ This assignment operator moves an acceptor from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_socket_acceptor(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_socket_acceptor(const executor_type&)` constructor. 
 
 
 
@@ -32574,9 +39503,10 @@ Move-assign a [link asio.reference.basic_socket_acceptor `basic_socket_acceptor`
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
-  enable_if< is_convertible< Protocol1, Protocol >::value, basic_socket_acceptor >::type & operator=(
-      basic_socket_acceptor< Protocol1 > && other);
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  enable_if< is_convertible< Protocol1, Protocol >::value &&is_convertible< Executor1, Executor >::value, basic_socket_acceptor & >::type operator=(
+      basic_socket_acceptor< Protocol1, Executor1 > && other);
 
 
 This assignment operator moves an acceptor from one object to another.
@@ -32594,7 +39524,7 @@ This assignment operator moves an acceptor from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_socket(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_socket_acceptor(const executor_type&)` constructor. 
 
 
 
@@ -32625,7 +39555,7 @@ Implements the SOL\_SOCKET/SO\_OOBINLINE socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::out_of_band_inline option(true);
    socket.set_option(option);
@@ -32636,7 +39566,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::out_of_band_inline option;
    socket.get_option(option);
@@ -32700,7 +39630,7 @@ Implements the SOL\_SOCKET/SO\_RCVBUF socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_buffer_size option(8192);
    socket.set_option(option);
@@ -32711,7 +39641,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_buffer_size option;
    socket.get_option(option);
@@ -32754,7 +39684,7 @@ Implements the SOL\_SOCKET/SO\_RCVLOWAT socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_low_watermark option(1024);
    socket.set_option(option);
@@ -32765,7 +39695,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_low_watermark option;
    socket.get_option(option);
@@ -32890,7 +39820,7 @@ Implements the SOL\_SOCKET/SO\_REUSEADDR socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::reuse_address option(true);
    acceptor.set_option(option);
@@ -32901,7 +39831,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::reuse_address option;
    acceptor.get_option(option);
@@ -32944,7 +39874,7 @@ Implements the SOL\_SOCKET/SO\_SNDBUF socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_buffer_size option(8192);
    socket.set_option(option);
@@ -32955,7 +39885,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_buffer_size option;
    socket.get_option(option);
@@ -32998,7 +39928,7 @@ Implements the SOL\_SOCKET/SO\_SNDLOWAT socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_low_watermark option(1024);
    socket.set_option(option);
@@ -33009,7 +39939,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_low_watermark option;
    socket.get_option(option);
@@ -33091,7 +40021,7 @@ This function is used to set an option on the acceptor.
   
 Setting the SOL\_SOCKET/SO\_REUSEADDR option: 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::ip::tcp::acceptor::reuse_address option(true);
    acceptor.set_option(option);
@@ -33139,7 +40069,7 @@ This function is used to set an option on the acceptor.
   
 Setting the SOL\_SOCKET/SO\_REUSEADDR option: 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::ip::tcp::acceptor::reuse_address option(true);
    asio::error_code ec;
@@ -33244,7 +40174,7 @@ This function is used to perform a blocking wait for an acceptor to enter a read
   
 Waiting for an acceptor to become readable. 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    acceptor.wait(asio::ip::tcp::acceptor::wait_read);
 
@@ -33288,7 +40218,7 @@ This function is used to perform a blocking wait for an acceptor to enter a read
   
 Waiting for an acceptor to become readable. 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::error_code ec;
    acceptor.wait(asio::ip::tcp::acceptor::wait_read, ec);
@@ -33441,11 +40371,11 @@ Iostream interface for a socket.
   [
     [[link asio.reference.basic_socket_iostream.basic_socket_iostream [*basic_socket_iostream]]]
     [Construct a basic_socket_iostream without establishing a connection. 
-
+     [hr]
      Construct a basic_socket_iostream from the supplied socket. 
-
+     [hr]
      Move-construct a basic_socket_iostream from another. 
-
+     [hr]
      Establish a connection to an endpoint corresponding to a resolver query. ]
   ]
   
@@ -33472,14 +40402,14 @@ Iostream interface for a socket.
   [
     [[link asio.reference.basic_socket_iostream.expires_at [*expires_at]]]
     [(Deprecated: Use expiry().) Get the stream's expiry time as an absolute time. 
-
+     [hr]
      Set the stream's expiry time as an absolute time. ]
   ]
   
   [
     [[link asio.reference.basic_socket_iostream.expires_from_now [*expires_from_now]]]
     [(Deprecated: Use expiry().) Get the stream's expiry time relative to now. 
-
+     [hr]
      (Deprecated: Use expires_after().) Set the stream's expiry time relative to now. ]
   ]
   
@@ -34148,9 +41078,9 @@ Iostream streambuf for a socket.
   [
     [[link asio.reference.basic_socket_streambuf.basic_socket_streambuf [*basic_socket_streambuf]]]
     [Construct a basic_socket_streambuf without establishing a connection. 
-
+     [hr]
      Construct a basic_socket_streambuf from the supplied socket. 
-
+     [hr]
      Move-construct a basic_socket_streambuf from another. ]
   ]
   
@@ -34177,14 +41107,14 @@ Iostream streambuf for a socket.
   [
     [[link asio.reference.basic_socket_streambuf.expires_at [*expires_at]]]
     [(Deprecated: Use expiry().) Get the stream buffer's expiry time as an absolute time. 
-
+     [hr]
      Set the stream buffer's expiry time as an absolute time. ]
   ]
   
   [
     [[link asio.reference.basic_socket_streambuf.expires_from_now [*expires_from_now]]]
     [(Deprecated: Use expiry().) Get the stream buffer's expiry time relative to now. 
-
+     [hr]
      (Deprecated: Use expires_after().) Set the stream buffer's expiry time relative to now. ]
   ]
   
@@ -34896,15 +41826,23 @@ Provides stream-oriented socket functionality.
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol]``>
+      typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``>
   class basic_stream_socket :
-    public basic_socket< Protocol >
+    public basic_socket< Protocol, Executor >
 
 
 [heading Types]
 [table
   [[Name][Description]]
 
+  [
+
+    [[link asio.reference.basic_stream_socket__rebind_executor [*rebind_executor]]]
+    [Rebinds the socket type to another executor. ]
+  
+  ]
+
   [
 
     [[link asio.reference.basic_stream_socket.broadcast [*broadcast]]]
@@ -35106,15 +42044,15 @@ Provides stream-oriented socket functionality.
   [
     [[link asio.reference.basic_stream_socket.basic_stream_socket [*basic_stream_socket]]]
     [Construct a basic_stream_socket without opening it. 
-
+     [hr]
      Construct and open a basic_stream_socket. 
-
+     [hr]
      Construct a basic_stream_socket, opening it and binding it to the given local endpoint. 
-
+     [hr]
      Construct a basic_stream_socket on an existing native socket. 
-
+     [hr]
      Move-construct a basic_stream_socket from another. 
-
+     [hr]
      Move-construct a basic_stream_socket from a socket of another protocol type. ]
   ]
   
@@ -35143,16 +42081,6 @@ Provides stream-oriented socket functionality.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_stream_socket.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_stream_socket.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_stream_socket.get_option [*get_option]]]
     [Get an option from the socket. ]
@@ -35176,7 +42104,7 @@ Provides stream-oriented socket functionality.
   [
     [[link asio.reference.basic_stream_socket.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
@@ -35188,14 +42116,14 @@ Provides stream-oriented socket functionality.
   [
     [[link asio.reference.basic_stream_socket.native_non_blocking [*native_non_blocking]]]
     [Gets the non-blocking mode of the native socket implementation. 
-
+     [hr]
      Sets the non-blocking mode of the native socket implementation. ]
   ]
   
   [
     [[link asio.reference.basic_stream_socket.non_blocking [*non_blocking]]]
     [Gets the non-blocking mode of the socket. 
-
+     [hr]
      Sets the non-blocking mode of the socket. ]
   ]
   
@@ -35207,7 +42135,7 @@ Provides stream-oriented socket functionality.
   [
     [[link asio.reference.basic_stream_socket.operator_eq_ [*operator=]]]
     [Move-assign a basic_stream_socket from another. 
-
+     [hr]
      Move-assign a basic_stream_socket from a socket of another protocol type. ]
   ]
   
@@ -35219,7 +42147,7 @@ Provides stream-oriented socket functionality.
   [
     [[link asio.reference.basic_stream_socket.receive [*receive]]]
     [Receive some data on the socket. 
-
+     [hr]
      Receive some data on a connected socket. ]
   ]
   
@@ -35301,6 +42229,17 @@ Provides stream-oriented socket functionality.
 
 ]
 
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_stream_socket.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
 The [link asio.reference.basic_stream_socket `basic_stream_socket`] class template provides asynchronous and blocking stream-oriented socket functionality.
 
 
@@ -35412,7 +42351,7 @@ The socket is automatically opened if it is not already open. If the connect fai
      const asio::error_code& error // Result of operation
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -35431,7 +42370,7 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
    ...
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    asio::ip::tcp::endpoint endpoint(
        asio::ip::address::from_string("1.2.3.4"), 12345);
    socket.async_connect(endpoint, connect_handler);
@@ -35477,7 +42416,7 @@ This function is used to asynchronously read data from the stream socket. The fu
      std::size_t bytes_transferred           // Number of bytes read.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -35557,7 +42496,7 @@ This function is used to asynchronously receive data from the stream socket. The
      std::size_t bytes_transferred           // Number of bytes received.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -35617,7 +42556,7 @@ This function is used to asynchronously receive data from the stream socket. The
      std::size_t bytes_transferred           // Number of bytes received.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -35699,7 +42638,7 @@ This function is used to asynchronously send data on the stream socket. The func
      std::size_t bytes_transferred           // Number of bytes sent.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -35759,7 +42698,7 @@ This function is used to asynchronously send data on the stream socket. The func
      std::size_t bytes_transferred           // Number of bytes sent.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -35819,7 +42758,7 @@ This function is used to perform an asynchronous wait for a socket to enter a re
      const asio::error_code& error // Result of operation
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -35838,7 +42777,7 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
    ...
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    socket.async_wait(asio::ip::tcp::socket::wait_read, wait_handler);
 
@@ -35883,7 +42822,7 @@ This function is used to asynchronously write data to the stream socket. The fun
      std::size_t bytes_transferred           // Number of bytes written.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -36091,65 +43030,98 @@ Construct a [link asio.reference.basic_stream_socket `basic_stream_socket`] with
 
 
   explicit ``[link asio.reference.basic_stream_socket.basic_stream_socket.overload1 basic_stream_socket]``(
-      asio::io_context & io_context);
+      const executor_type & ex);
   ``  [''''&raquo;''' [link asio.reference.basic_stream_socket.basic_stream_socket.overload1 more...]]``
 
+  template<
+      typename ExecutionContext>
+  explicit ``[link asio.reference.basic_stream_socket.basic_stream_socket.overload2 basic_stream_socket]``(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_stream_socket.basic_stream_socket.overload2 more...]]``
+
 
 Construct and open a [link asio.reference.basic_stream_socket `basic_stream_socket`]. 
 
 
-  ``[link asio.reference.basic_stream_socket.basic_stream_socket.overload2 basic_stream_socket]``(
-      asio::io_context & io_context,
+  ``[link asio.reference.basic_stream_socket.basic_stream_socket.overload3 basic_stream_socket]``(
+      const executor_type & ex,
       const protocol_type & protocol);
-  ``  [''''&raquo;''' [link asio.reference.basic_stream_socket.basic_stream_socket.overload2 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_stream_socket.basic_stream_socket.overload3 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_stream_socket.basic_stream_socket.overload4 basic_stream_socket]``(
+      ExecutionContext & context,
+      const protocol_type & protocol,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_stream_socket.basic_stream_socket.overload4 more...]]``
 
 
 Construct a [link asio.reference.basic_stream_socket `basic_stream_socket`], opening it and binding it to the given local endpoint. 
 
 
-  ``[link asio.reference.basic_stream_socket.basic_stream_socket.overload3 basic_stream_socket]``(
-      asio::io_context & io_context,
+  ``[link asio.reference.basic_stream_socket.basic_stream_socket.overload5 basic_stream_socket]``(
+      const executor_type & ex,
       const endpoint_type & endpoint);
-  ``  [''''&raquo;''' [link asio.reference.basic_stream_socket.basic_stream_socket.overload3 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_stream_socket.basic_stream_socket.overload5 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_stream_socket.basic_stream_socket.overload6 basic_stream_socket]``(
+      ExecutionContext & context,
+      const endpoint_type & endpoint,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_stream_socket.basic_stream_socket.overload6 more...]]``
 
 
 Construct a [link asio.reference.basic_stream_socket `basic_stream_socket`] on an existing native socket. 
 
 
-  ``[link asio.reference.basic_stream_socket.basic_stream_socket.overload4 basic_stream_socket]``(
-      asio::io_context & io_context,
+  ``[link asio.reference.basic_stream_socket.basic_stream_socket.overload7 basic_stream_socket]``(
+      const executor_type & ex,
       const protocol_type & protocol,
       const native_handle_type & native_socket);
-  ``  [''''&raquo;''' [link asio.reference.basic_stream_socket.basic_stream_socket.overload4 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_stream_socket.basic_stream_socket.overload7 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.basic_stream_socket.basic_stream_socket.overload8 basic_stream_socket]``(
+      ExecutionContext & context,
+      const protocol_type & protocol,
+      const native_handle_type & native_socket,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_stream_socket.basic_stream_socket.overload8 more...]]``
 
 
 Move-construct a [link asio.reference.basic_stream_socket `basic_stream_socket`] from another. 
 
 
-  ``[link asio.reference.basic_stream_socket.basic_stream_socket.overload5 basic_stream_socket]``(
+  ``[link asio.reference.basic_stream_socket.basic_stream_socket.overload9 basic_stream_socket]``(
       basic_stream_socket && other);
-  ``  [''''&raquo;''' [link asio.reference.basic_stream_socket.basic_stream_socket.overload5 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_stream_socket.basic_stream_socket.overload9 more...]]``
 
 
 Move-construct a [link asio.reference.basic_stream_socket `basic_stream_socket`] from a socket of another protocol type. 
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
-  ``[link asio.reference.basic_stream_socket.basic_stream_socket.overload6 basic_stream_socket]``(
-      basic_stream_socket< Protocol1 > && other,
-      typename enable_if< is_convertible< Protocol1, Protocol >::value >::type *  = 0);
-  ``  [''''&raquo;''' [link asio.reference.basic_stream_socket.basic_stream_socket.overload6 more...]]``
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  ``[link asio.reference.basic_stream_socket.basic_stream_socket.overload10 basic_stream_socket]``(
+      basic_stream_socket< Protocol1, Executor1 > && other,
+      typename enable_if< is_convertible< Protocol1, Protocol >::value &&is_convertible< Executor1, Executor >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_stream_socket.basic_stream_socket.overload10 more...]]``
 
 
-[section:overload1 basic_stream_socket::basic_stream_socket (1 of 6 overloads)]
+[section:overload1 basic_stream_socket::basic_stream_socket (1 of 10 overloads)]
 
 
 Construct a [link asio.reference.basic_stream_socket `basic_stream_socket`] without opening it. 
 
 
   basic_stream_socket(
-      asio::io_context & io_context);
+      const executor_type & ex);
 
 
 This constructor creates a stream socket without opening it. The socket needs to be opened and then connected or accepted before data can be sent or received on it.
@@ -36160,7 +43132,7 @@ This constructor creates a stream socket without opening it. The socket needs to
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the stream socket will use to dispatch handlers for any asynchronous operations performed on the socket. ]]
+[[ex][The I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket. ]]
 
 ]
 
@@ -36171,14 +43143,46 @@ This constructor creates a stream socket without opening it. The socket needs to
 
 
 
-[section:overload2 basic_stream_socket::basic_stream_socket (2 of 6 overloads)]
+[section:overload2 basic_stream_socket::basic_stream_socket (2 of 10 overloads)]
+
+
+Construct a [link asio.reference.basic_stream_socket `basic_stream_socket`] without opening it. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_stream_socket(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a stream socket without opening it. The socket needs to be opened and then connected or accepted before data can be sent or received on it.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload3 basic_stream_socket::basic_stream_socket (3 of 10 overloads)]
 
 
 Construct and open a [link asio.reference.basic_stream_socket `basic_stream_socket`]. 
 
 
   basic_stream_socket(
-      asio::io_context & io_context,
+      const executor_type & ex,
       const protocol_type & protocol);
 
 
@@ -36190,7 +43194,7 @@ This constructor creates and opens a stream socket. The socket needs to be conne
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the stream socket will use to dispatch handlers for any asynchronous operations performed on the socket.]]
+[[ex][The I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
 
 [[protocol][An object specifying protocol parameters to be used.]]
 
@@ -36213,14 +43217,59 @@ This constructor creates and opens a stream socket. The socket needs to be conne
 
 
 
-[section:overload3 basic_stream_socket::basic_stream_socket (3 of 6 overloads)]
+[section:overload4 basic_stream_socket::basic_stream_socket (4 of 10 overloads)]
+
+
+Construct and open a [link asio.reference.basic_stream_socket `basic_stream_socket`]. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_stream_socket(
+      ExecutionContext & context,
+      const protocol_type & protocol,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates and opens a stream socket. The socket needs to be connected or accepted before data can be sent or received on it.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
+
+[[protocol][An object specifying protocol parameters to be used.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload5 basic_stream_socket::basic_stream_socket (5 of 10 overloads)]
 
 
 Construct a [link asio.reference.basic_stream_socket `basic_stream_socket`], opening it and binding it to the given local endpoint. 
 
 
   basic_stream_socket(
-      asio::io_context & io_context,
+      const executor_type & ex,
       const endpoint_type & endpoint);
 
 
@@ -36232,7 +43281,7 @@ This constructor creates a stream socket and automatically opens it bound to the
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the stream socket will use to dispatch handlers for any asynchronous operations performed on the socket.]]
+[[ex][The I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
 
 [[endpoint][An endpoint on the local machine to which the stream socket will be bound.]]
 
@@ -36255,14 +43304,59 @@ This constructor creates a stream socket and automatically opens it bound to the
 
 
 
-[section:overload4 basic_stream_socket::basic_stream_socket (4 of 6 overloads)]
+[section:overload6 basic_stream_socket::basic_stream_socket (6 of 10 overloads)]
+
+
+Construct a [link asio.reference.basic_stream_socket `basic_stream_socket`], opening it and binding it to the given local endpoint. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_stream_socket(
+      ExecutionContext & context,
+      const endpoint_type & endpoint,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a stream socket and automatically opens it bound to the specified endpoint on the local machine. The protocol used is the protocol associated with the given endpoint.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
+
+[[endpoint][An endpoint on the local machine to which the stream socket will be bound.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload7 basic_stream_socket::basic_stream_socket (7 of 10 overloads)]
 
 
 Construct a [link asio.reference.basic_stream_socket `basic_stream_socket`] on an existing native socket. 
 
 
   basic_stream_socket(
-      asio::io_context & io_context,
+      const executor_type & ex,
       const protocol_type & protocol,
       const native_handle_type & native_socket);
 
@@ -36275,7 +43369,7 @@ This constructor creates a stream socket object to hold an existing native socke
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the stream socket will use to dispatch handlers for any asynchronous operations performed on the socket.]]
+[[ex][The I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
 
 [[protocol][An object specifying protocol parameters to be used.]]
 
@@ -36300,7 +43394,55 @@ This constructor creates a stream socket object to hold an existing native socke
 
 
 
-[section:overload5 basic_stream_socket::basic_stream_socket (5 of 6 overloads)]
+[section:overload8 basic_stream_socket::basic_stream_socket (8 of 10 overloads)]
+
+
+Construct a [link asio.reference.basic_stream_socket `basic_stream_socket`] on an existing native socket. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_stream_socket(
+      ExecutionContext & context,
+      const protocol_type & protocol,
+      const native_handle_type & native_socket,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a stream socket object to hold an existing native socket.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the socket will use, by default, to dispatch handlers for any asynchronous operations performed on the socket.]]
+
+[[protocol][An object specifying protocol parameters to be used.]]
+
+[[native_socket][The new underlying socket implementation.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload9 basic_stream_socket::basic_stream_socket (9 of 10 overloads)]
 
 
 Move-construct a [link asio.reference.basic_stream_socket `basic_stream_socket`] from another. 
@@ -36325,7 +43467,7 @@ This constructor moves a stream socket from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_stream_socket(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_stream_socket(const executor_type&)` constructor. 
 
 
 
@@ -36334,17 +43476,18 @@ Following the move, the moved-from object is in the same state as if constructed
 
 
 
-[section:overload6 basic_stream_socket::basic_stream_socket (6 of 6 overloads)]
+[section:overload10 basic_stream_socket::basic_stream_socket (10 of 10 overloads)]
 
 
 Move-construct a [link asio.reference.basic_stream_socket `basic_stream_socket`] from a socket of another protocol type. 
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
   basic_stream_socket(
-      basic_stream_socket< Protocol1 > && other,
-      typename enable_if< is_convertible< Protocol1, Protocol >::value >::type *  = 0);
+      basic_stream_socket< Protocol1, Executor1 > && other,
+      typename enable_if< is_convertible< Protocol1, Protocol >::value &&is_convertible< Executor1, Executor >::value >::type *  = 0);
 
 
 This constructor moves a stream socket from one object to another.
@@ -36362,7 +43505,7 @@ This constructor moves a stream socket from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_stream_socket(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_stream_socket(const executor_type&)` constructor. 
 
 
 
@@ -36428,7 +43571,7 @@ This function binds the socket to the specified endpoint on the local machine.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    socket.open(asio::ip::tcp::v4());
    socket.bind(asio::ip::tcp::endpoint(
          asio::ip::tcp::v4(), 12345));
@@ -36476,7 +43619,7 @@ This function binds the socket to the specified endpoint on the local machine.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    socket.open(asio::ip::tcp::v4());
    asio::error_code ec;
    socket.bind(asio::ip::tcp::endpoint(
@@ -36518,7 +43661,7 @@ Implements the SOL\_SOCKET/SO\_BROADCAST socket option.
   
 Setting the option: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::broadcast option(true);
    socket.set_option(option);
@@ -36529,7 +43672,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::broadcast option;
    socket.get_option(option);
@@ -36572,7 +43715,7 @@ Implements the FIONREAD IO control command.
   
 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::bytes_readable command(true);
    socket.io_control(command);
@@ -36790,7 +43933,7 @@ This function is used to close the socket. Any asynchronous send, receive or con
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::error_code ec;
    socket.close(ec);
@@ -36873,7 +44016,7 @@ The socket is automatically opened if it is not already open. If the connect fai
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    asio::ip::tcp::endpoint endpoint(
        asio::ip::address::from_string("1.2.3.4"), 12345);
    socket.connect(endpoint);
@@ -36923,7 +44066,7 @@ The socket is automatically opened if it is not already open. If the connect fai
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    asio::ip::tcp::endpoint endpoint(
        asio::ip::address::from_string("1.2.3.4"), 12345);
    asio::error_code ec;
@@ -36965,7 +44108,7 @@ Implements the SOL\_SOCKET/SO\_DEBUG socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::debug option(true);
    socket.set_option(option);
@@ -36976,7 +44119,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::debug option;
    socket.get_option(option);
@@ -37019,7 +44162,7 @@ Implements the SOL\_SOCKET/SO\_DONTROUTE socket option.
   
 Setting the option: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::do_not_route option(true);
    socket.set_option(option);
@@ -37030,7 +44173,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::do_not_route option;
    socket.get_option(option);
@@ -37073,7 +44216,7 @@ Implements a custom socket option that determines whether or not an accept opera
   
 Setting the option: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::enable_connection_aborted option(true);
    acceptor.set_option(option);
@@ -37084,7 +44227,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::enable_connection_aborted option;
    acceptor.get_option(option);
@@ -37130,73 +44273,13 @@ The endpoint type.
 
 [section:executor_type basic_stream_socket::executor_type]
 
-
-['Inherited from basic_socket.]
-
 [indexterm2 asio.indexterm.basic_stream_socket.executor_type..executor_type..basic_stream_socket] 
 The type of the executor associated with the object. 
 
 
-  typedef io_context::executor_type executor_type;
+  typedef Executor executor_type;
 
 
-[heading Member Functions]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.context [*context]]]
-    [Obtain the underlying execution context. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.defer [*defer]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.dispatch [*dispatch]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_finished [*on_work_finished]]]
-    [Inform the io_context that some work is no longer outstanding. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_started [*on_work_started]]]
-    [Inform the io_context that it has some outstanding work to do. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.post [*post]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.running_in_this_thread [*running_in_this_thread]]]
-    [Determine whether the io_context is running in the current thread. ]
-  ]
-  
-]
-
-[heading Friends]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.operator_not__eq_ [*operator!=]]]
-    [Compare two executors for inequality. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.operator_eq__eq_ [*operator==]]]
-    [Compare two executors for equality. ]
-  ]
-  
-]
-
 
 [heading Requirements]
 
@@ -37222,58 +44305,6 @@ Get the executor associated with the object.
 
 
 
-[endsect]
-
-
-
-[section:get_io_context basic_stream_socket::get_io_context]
-
-
-['Inherited from basic_socket.]
-
-[indexterm2 asio.indexterm.basic_stream_socket.get_io_context..get_io_context..basic_stream_socket] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_context();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
-[section:get_io_service basic_stream_socket::get_io_service]
-
-
-['Inherited from basic_socket.]
-
-[indexterm2 asio.indexterm.basic_stream_socket.get_io_service..get_io_service..basic_stream_socket] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_service();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
 [endsect]
 
 
@@ -37340,7 +44371,7 @@ This function is used to get the current value of an option on the socket.
   
 Getting the value of the SOL\_SOCKET/SO\_KEEPALIVE option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::socket::keep_alive option;
    socket.get_option(option);
@@ -37392,7 +44423,7 @@ This function is used to get the current value of an option on the socket.
   
 Getting the value of the SOL\_SOCKET/SO\_KEEPALIVE option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::socket::keep_alive option;
    asio::error_code ec;
@@ -37414,6 +44445,21 @@ Getting the value of the SOL\_SOCKET/SO\_KEEPALIVE option:
 
 [endsect]
 
+
+[section:impl_ basic_stream_socket::impl_]
+
+
+['Inherited from basic_socket.]
+
+[indexterm2 asio.indexterm.basic_stream_socket.impl_..impl_..basic_stream_socket] 
+
+  detail::io_object_impl< detail::reactive_socket_service< Protocol >, Executor > impl_;
+
+
+
+[endsect]
+
+
 [section:io_control basic_stream_socket::io_control]
 
 [indexterm2 asio.indexterm.basic_stream_socket.io_control..io_control..basic_stream_socket] 
@@ -37477,7 +44523,7 @@ This function is used to execute an IO control command on the socket.
   
 Getting the number of bytes ready to read: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::socket::bytes_readable command;
    socket.io_control(command);
@@ -37529,7 +44575,7 @@ This function is used to execute an IO control command on the socket.
   
 Getting the number of bytes ready to read: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::socket::bytes_readable command;
    asio::error_code ec;
@@ -37589,7 +44635,7 @@ Implements the SOL\_SOCKET/SO\_KEEPALIVE socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::keep_alive option(true);
    socket.set_option(option);
@@ -37600,7 +44646,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::keep_alive option;
    socket.get_option(option);
@@ -37643,7 +44689,7 @@ Implements the SOL\_SOCKET/SO\_LINGER socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::linger option(true, 30);
    socket.set_option(option);
@@ -37654,7 +44700,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::linger option;
    socket.get_option(option);
@@ -37725,7 +44771,7 @@ An object that represents the local endpoint of the socket.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::endpoint endpoint = socket.local_endpoint();
 
@@ -37774,7 +44820,7 @@ An object that represents the local endpoint of the socket. Returns a default-co
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::error_code ec;
    asio::ip::tcp::endpoint endpoint = socket.local_endpoint(ec);
@@ -37874,13 +44920,20 @@ A const reference to the lowest layer in the stack of layers. Ownership is not t
 A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer. 
 
 
-  typedef basic_socket< Protocol > lowest_layer_type;
+  typedef basic_socket< Protocol, Executor > lowest_layer_type;
 
 
 [heading Types]
 [table
   [[Name][Description]]
 
+  [
+
+    [[link asio.reference.basic_socket__rebind_executor [*rebind_executor]]]
+    [Rebinds the socket type to another executor. ]
+  
+  ]
+
   [
 
     [[link asio.reference.basic_socket.broadcast [*broadcast]]]
@@ -38062,15 +45115,15 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
   [
     [[link asio.reference.basic_socket.basic_socket [*basic_socket]]]
     [Construct a basic_socket without opening it. 
-
+     [hr]
      Construct and open a basic_socket. 
-
+     [hr]
      Construct a basic_socket, opening it and binding it to the given local endpoint. 
-
+     [hr]
      Construct a basic_socket on an existing native socket. 
-
+     [hr]
      Move-construct a basic_socket from another. 
-
+     [hr]
      Move-construct a basic_socket from a socket of another protocol type. ]
   ]
   
@@ -38099,16 +45152,6 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_socket.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_socket.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_socket.get_option [*get_option]]]
     [Get an option from the socket. ]
@@ -38132,7 +45175,7 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
   [
     [[link asio.reference.basic_socket.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
@@ -38144,14 +45187,14 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
   [
     [[link asio.reference.basic_socket.native_non_blocking [*native_non_blocking]]]
     [Gets the non-blocking mode of the native socket implementation. 
-
+     [hr]
      Sets the non-blocking mode of the native socket implementation. ]
   ]
   
   [
     [[link asio.reference.basic_socket.non_blocking [*non_blocking]]]
     [Gets the non-blocking mode of the socket. 
-
+     [hr]
      Sets the non-blocking mode of the socket. ]
   ]
   
@@ -38163,7 +45206,7 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
   [
     [[link asio.reference.basic_socket.operator_eq_ [*operator=]]]
     [Move-assign a basic_socket from another. 
-
+     [hr]
      Move-assign a basic_socket from a socket of another protocol type. ]
   ]
   
@@ -38241,6 +45284,17 @@ A [link asio.reference.basic_socket `basic_socket`] is always the lowest layer.
 
 ]
 
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_socket.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
 The [link asio.reference.basic_socket `basic_socket`] class template provides functionality that is common to both stream-oriented and datagram-oriented sockets.
 
 
@@ -38972,7 +46026,7 @@ This function opens the socket so that it will use the specified protocol.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    socket.open(asio::ip::tcp::v4());
 
 
@@ -39018,7 +46072,7 @@ This function opens the socket so that it will use the specified protocol.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    asio::error_code ec;
    socket.open(asio::ip::tcp::v4(), ec);
    if (ec)
@@ -39052,9 +46106,10 @@ Move-assign a [link asio.reference.basic_stream_socket `basic_stream_socket`] fr
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
-  enable_if< is_convertible< Protocol1, Protocol >::value, basic_stream_socket >::type & ``[link asio.reference.basic_stream_socket.operator_eq_.overload2 operator=]``(
-      basic_stream_socket< Protocol1 > && other);
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  enable_if< is_convertible< Protocol1, Protocol >::value &&is_convertible< Executor1, Executor >::value, basic_stream_socket & >::type ``[link asio.reference.basic_stream_socket.operator_eq_.overload2 operator=]``(
+      basic_stream_socket< Protocol1, Executor1 > && other);
   ``  [''''&raquo;''' [link asio.reference.basic_stream_socket.operator_eq_.overload2 more...]]``
 
 
@@ -39083,7 +46138,7 @@ This assignment operator moves a stream socket from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_stream_socket(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_stream_socket(const executor_type&)` constructor. 
 
 
 
@@ -39099,9 +46154,10 @@ Move-assign a [link asio.reference.basic_stream_socket `basic_stream_socket`] fr
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol1]``>
-  enable_if< is_convertible< Protocol1, Protocol >::value, basic_stream_socket >::type & operator=(
-      basic_stream_socket< Protocol1 > && other);
+      typename ``[link asio.reference.Protocol Protocol1]``,
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  enable_if< is_convertible< Protocol1, Protocol >::value &&is_convertible< Executor1, Executor >::value, basic_stream_socket & >::type operator=(
+      basic_stream_socket< Protocol1, Executor1 > && other);
 
 
 This assignment operator moves a stream socket from one object to another.
@@ -39119,7 +46175,7 @@ This assignment operator moves a stream socket from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_stream_socket(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_stream_socket(const executor_type&)` constructor. 
 
 
 
@@ -39150,7 +46206,7 @@ Implements the SOL\_SOCKET/SO\_OOBINLINE socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::out_of_band_inline option(true);
    socket.set_option(option);
@@ -39161,7 +46217,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::out_of_band_inline option;
    socket.get_option(option);
@@ -39556,7 +46612,7 @@ Implements the SOL\_SOCKET/SO\_RCVBUF socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_buffer_size option(8192);
    socket.set_option(option);
@@ -39567,7 +46623,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_buffer_size option;
    socket.get_option(option);
@@ -39610,7 +46666,7 @@ Implements the SOL\_SOCKET/SO\_RCVLOWAT socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_low_watermark option(1024);
    socket.set_option(option);
@@ -39621,7 +46677,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_low_watermark option;
    socket.get_option(option);
@@ -39779,7 +46835,7 @@ An object that represents the remote endpoint of the socket.
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::endpoint endpoint = socket.remote_endpoint();
 
@@ -39828,7 +46884,7 @@ An object that represents the remote endpoint of the socket. Returns a default-c
   
 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::error_code ec;
    asio::ip::tcp::endpoint endpoint = socket.remote_endpoint(ec);
@@ -39869,7 +46925,7 @@ Implements the SOL\_SOCKET/SO\_REUSEADDR socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::reuse_address option(true);
    acceptor.set_option(option);
@@ -39880,7 +46936,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::reuse_address option;
    acceptor.get_option(option);
@@ -40124,7 +47180,7 @@ Implements the SOL\_SOCKET/SO\_SNDBUF socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_buffer_size option(8192);
    socket.set_option(option);
@@ -40135,7 +47191,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_buffer_size option;
    socket.get_option(option);
@@ -40178,7 +47234,7 @@ Implements the SOL\_SOCKET/SO\_SNDLOWAT socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_low_watermark option(1024);
    socket.set_option(option);
@@ -40189,7 +47245,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_low_watermark option;
    socket.get_option(option);
@@ -40274,7 +47330,7 @@ This function is used to set an option on the socket.
   
 Setting the IPPROTO\_TCP/TCP\_NODELAY option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::no_delay option(true);
    socket.set_option(option);
@@ -40325,7 +47381,7 @@ This function is used to set an option on the socket.
   
 Setting the IPPROTO\_TCP/TCP\_NODELAY option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::no_delay option(true);
    asio::error_code ec;
@@ -40402,7 +47458,7 @@ This function is used to disable send operations, receive operations, or both.
   
 Shutting down the send side of the socket: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    socket.shutdown(asio::ip::tcp::socket::shutdown_send);
 
@@ -40449,7 +47505,7 @@ This function is used to disable send operations, receive operations, or both.
   
 Shutting down the send side of the socket: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::error_code ec;
    socket.shutdown(asio::ip::tcp::socket::shutdown_send, ec);
@@ -40556,7 +47612,7 @@ This function is used to perform a blocking wait for a socket to enter a ready t
   
 Waiting for a socket to become readable. 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    socket.wait(asio::ip::tcp::socket::wait_read);
 
@@ -40603,7 +47659,7 @@ This function is used to perform a blocking wait for a socket to enter a ready t
   
 Waiting for a socket to become readable. 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::error_code ec;
    socket.wait(asio::ip::tcp::socket::wait_read, ec);
@@ -40805,6 +47861,480 @@ This function destroys the socket, cancelling any outstanding asynchronous opera
 
 
 
+[endsect]
+
+[section:basic_stream_socket__rebind_executor basic_stream_socket::rebind_executor]
+
+
+Rebinds the socket type to another executor. 
+
+
+  template<
+      typename ``[link asio.reference.Executor1 Executor1]``>
+  struct rebind_executor
+
+
+[heading Types]
+[table
+  [[Name][Description]]
+
+  [
+
+    [[link asio.reference.basic_stream_socket__rebind_executor.other [*other]]]
+    [The socket type when rebound to the specified executor. ]
+  
+  ]
+
+]
+
+[heading Requirements]
+
+['Header: ][^asio/basic_stream_socket.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[section:other basic_stream_socket::rebind_executor::other]
+
+[indexterm2 asio.indexterm.basic_stream_socket__rebind_executor.other..other..basic_stream_socket::rebind_executor] 
+The socket type when rebound to the specified executor. 
+
+
+  typedef basic_stream_socket< Protocol, Executor1 > other;
+
+
+[heading Types]
+[table
+  [[Name][Description]]
+
+  [
+
+    [[link asio.reference.basic_stream_socket__rebind_executor [*rebind_executor]]]
+    [Rebinds the socket type to another executor. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_stream_socket.broadcast [*broadcast]]]
+    [Socket option to permit sending of broadcast messages. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_stream_socket.bytes_readable [*bytes_readable]]]
+    [IO control command to get the amount of data that can be read without blocking. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_stream_socket.debug [*debug]]]
+    [Socket option to enable socket-level debugging. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_stream_socket.do_not_route [*do_not_route]]]
+    [Socket option to prevent routing, use local interfaces only. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_stream_socket.enable_connection_aborted [*enable_connection_aborted]]]
+    [Socket option to report aborted connections on accept. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_stream_socket.endpoint_type [*endpoint_type]]]
+    [The endpoint type. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_stream_socket.executor_type [*executor_type]]]
+    [The type of the executor associated with the object. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_stream_socket.keep_alive [*keep_alive]]]
+    [Socket option to send keep-alives. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_stream_socket.linger [*linger]]]
+    [Socket option to specify whether the socket lingers on close if unsent data is present. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_stream_socket.lowest_layer_type [*lowest_layer_type]]]
+    [A basic_socket is always the lowest layer. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_stream_socket.message_flags [*message_flags]]]
+    [Bitmask type for flags that can be passed to send and receive operations. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_stream_socket.native_handle_type [*native_handle_type]]]
+    [The native representation of a socket. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_stream_socket.out_of_band_inline [*out_of_band_inline]]]
+    [Socket option for putting received out-of-band data inline. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_stream_socket.protocol_type [*protocol_type]]]
+    [The protocol type. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_stream_socket.receive_buffer_size [*receive_buffer_size]]]
+    [Socket option for the receive buffer size of a socket. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_stream_socket.receive_low_watermark [*receive_low_watermark]]]
+    [Socket option for the receive low watermark. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_stream_socket.reuse_address [*reuse_address]]]
+    [Socket option to allow the socket to be bound to an address that is already in use. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_stream_socket.send_buffer_size [*send_buffer_size]]]
+    [Socket option for the send buffer size of a socket. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_stream_socket.send_low_watermark [*send_low_watermark]]]
+    [Socket option for the send low watermark. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_stream_socket.shutdown_type [*shutdown_type]]]
+    [Different ways a socket may be shutdown. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.basic_stream_socket.wait_type [*wait_type]]]
+    [Wait types. ]
+  
+  ]
+
+]
+
+[heading Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_stream_socket.assign [*assign]]]
+    [Assign an existing native socket to the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.async_connect [*async_connect]]]
+    [Start an asynchronous connect. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.async_read_some [*async_read_some]]]
+    [Start an asynchronous read. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.async_receive [*async_receive]]]
+    [Start an asynchronous receive. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.async_send [*async_send]]]
+    [Start an asynchronous send. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.async_wait [*async_wait]]]
+    [Asynchronously wait for the socket to become ready to read, ready to write, or to have pending error conditions. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.async_write_some [*async_write_some]]]
+    [Start an asynchronous write. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.at_mark [*at_mark]]]
+    [Determine whether the socket is at the out-of-band data mark. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.available [*available]]]
+    [Determine the number of bytes available for reading. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.basic_stream_socket [*basic_stream_socket]]]
+    [Construct a basic_stream_socket without opening it. 
+     [hr]
+     Construct and open a basic_stream_socket. 
+     [hr]
+     Construct a basic_stream_socket, opening it and binding it to the given local endpoint. 
+     [hr]
+     Construct a basic_stream_socket on an existing native socket. 
+     [hr]
+     Move-construct a basic_stream_socket from another. 
+     [hr]
+     Move-construct a basic_stream_socket from a socket of another protocol type. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.bind [*bind]]]
+    [Bind the socket to the given local endpoint. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.cancel [*cancel]]]
+    [Cancel all asynchronous operations associated with the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.close [*close]]]
+    [Close the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.connect [*connect]]]
+    [Connect the socket to the specified endpoint. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.get_executor [*get_executor]]]
+    [Get the executor associated with the object. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.get_option [*get_option]]]
+    [Get an option from the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.io_control [*io_control]]]
+    [Perform an IO control command on the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.is_open [*is_open]]]
+    [Determine whether the socket is open. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.local_endpoint [*local_endpoint]]]
+    [Get the local endpoint of the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.lowest_layer [*lowest_layer]]]
+    [Get a reference to the lowest layer. 
+     [hr]
+     Get a const reference to the lowest layer. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.native_handle [*native_handle]]]
+    [Get the native socket representation. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.native_non_blocking [*native_non_blocking]]]
+    [Gets the non-blocking mode of the native socket implementation. 
+     [hr]
+     Sets the non-blocking mode of the native socket implementation. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.non_blocking [*non_blocking]]]
+    [Gets the non-blocking mode of the socket. 
+     [hr]
+     Sets the non-blocking mode of the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.open [*open]]]
+    [Open the socket using the specified protocol. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.operator_eq_ [*operator=]]]
+    [Move-assign a basic_stream_socket from another. 
+     [hr]
+     Move-assign a basic_stream_socket from a socket of another protocol type. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.read_some [*read_some]]]
+    [Read some data from the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.receive [*receive]]]
+    [Receive some data on the socket. 
+     [hr]
+     Receive some data on a connected socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.release [*release]]]
+    [Release ownership of the underlying native socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.remote_endpoint [*remote_endpoint]]]
+    [Get the remote endpoint of the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.send [*send]]]
+    [Send some data on the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.set_option [*set_option]]]
+    [Set an option on the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.shutdown [*shutdown]]]
+    [Disable sends or receives on the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.wait [*wait]]]
+    [Wait for the socket to become ready to read, ready to write, or to have pending error conditions. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket.write_some [*write_some]]]
+    [Write some data to the socket. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_stream_socket._basic_stream_socket [*~basic_stream_socket]]]
+    [Destroys the socket. ]
+  ]
+  
+]
+
+[heading Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_stream_socket.max_connections [*max_connections]]]
+    [(Deprecated: Use max_listen_connections.) The maximum length of the queue of pending incoming connections. ]
+  ]
+
+  [
+    [[link asio.reference.basic_stream_socket.max_listen_connections [*max_listen_connections]]]
+    [The maximum length of the queue of pending incoming connections. ]
+  ]
+
+  [
+    [[link asio.reference.basic_stream_socket.message_do_not_route [*message_do_not_route]]]
+    [Specify that the data should not be subject to routing. ]
+  ]
+
+  [
+    [[link asio.reference.basic_stream_socket.message_end_of_record [*message_end_of_record]]]
+    [Specifies that the data marks the end of a record. ]
+  ]
+
+  [
+    [[link asio.reference.basic_stream_socket.message_out_of_band [*message_out_of_band]]]
+    [Process out-of-band data. ]
+  ]
+
+  [
+    [[link asio.reference.basic_stream_socket.message_peek [*message_peek]]]
+    [Peek at incoming data without removing it from the input queue. ]
+  ]
+
+]
+
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_stream_socket.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
+The [link asio.reference.basic_stream_socket `basic_stream_socket`] class template provides asynchronous and blocking stream-oriented socket functionality.
+
+
+[heading Thread Safety]
+  
+['Distinct] ['objects:] Safe.
+
+['Shared] ['objects:] Unsafe.
+
+
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/basic_stream_socket.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+
 [endsect]
 
 [section:basic_streambuf basic_streambuf]
@@ -41307,9 +48837,9 @@ Adapts [link asio.reference.basic_streambuf `basic_streambuf`] to the dynamic bu
   [
     [[link asio.reference.basic_streambuf_ref.basic_streambuf_ref [*basic_streambuf_ref]]]
     [Construct a basic_streambuf_ref for the given basic_streambuf object. 
-
+     [hr]
      Copy construct a basic_streambuf_ref. 
-
+     [hr]
      Move construct a basic_streambuf_ref. ]
   ]
   
@@ -41873,7 +49403,8 @@ Provides waitable timer functionality.
 
   template<
       typename Clock,
-      typename ``[link asio.reference.WaitTraits WaitTraits]``>
+      typename ``[link asio.reference.WaitTraits WaitTraits]``,
+      typename ``[link asio.reference.Executor1 Executor]``>
   class basic_waitable_timer
 
 
@@ -41930,25 +49461,25 @@ Provides waitable timer functionality.
   [
     [[link asio.reference.basic_waitable_timer.basic_waitable_timer [*basic_waitable_timer]]]
     [Constructor. 
-
+     [hr]
      Constructor to set a particular expiry time as an absolute time. 
-
+     [hr]
      Constructor to set a particular expiry time relative to now. 
-
+     [hr]
      Move-construct a basic_waitable_timer from another. ]
   ]
   
   [
     [[link asio.reference.basic_waitable_timer.cancel [*cancel]]]
     [Cancel any asynchronous operations that are waiting on the timer. 
-
+     [hr]
      (Deprecated: Use non-error_code overload.) Cancel any asynchronous operations that are waiting on the timer. ]
   ]
   
   [
     [[link asio.reference.basic_waitable_timer.cancel_one [*cancel_one]]]
     [Cancels one asynchronous operation that is waiting on the timer. 
-
+     [hr]
      (Deprecated: Use non-error_code overload.) Cancels one asynchronous operation that is waiting on the timer. ]
   ]
   
@@ -41960,16 +49491,16 @@ Provides waitable timer functionality.
   [
     [[link asio.reference.basic_waitable_timer.expires_at [*expires_at]]]
     [(Deprecated: Use expiry().) Get the timer's expiry time as an absolute time. 
-
+     [hr]
      Set the timer's expiry time as an absolute time. 
-
+     [hr]
      (Deprecated: Use non-error_code overload.) Set the timer's expiry time as an absolute time. ]
   ]
   
   [
     [[link asio.reference.basic_waitable_timer.expires_from_now [*expires_from_now]]]
     [(Deprecated: Use expiry().) Get the timer's expiry time relative to now. 
-
+     [hr]
      (Deprecated: Use expires_after().) Set the timer's expiry time relative to now. ]
   ]
   
@@ -41983,16 +49514,6 @@ Provides waitable timer functionality.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_waitable_timer.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_waitable_timer.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_waitable_timer.operator_eq_ [*operator=]]]
     [Move-assign a basic_waitable_timer from another. ]
@@ -42034,7 +49555,7 @@ This waitable timer functionality is for use with the C++11 standard library's `
 Performing a blocking wait (C++11): 
 
    // Construct a timer without setting an expiry time.
-   asio::steady_timer timer(io_context);
+   asio::steady_timer timer(my_context);
 
    // Set an expiry time relative to now.
    timer.expires_after(std::chrono::seconds(5));
@@ -42059,7 +49580,7 @@ Performing an asynchronous wait (C++11):
    ...
 
    // Construct a timer with an absolute expiry time.
-   asio::steady_timer timer(io_context,
+   asio::steady_timer timer(my_context,
        std::chrono::steady_clock::now() + std::chrono::seconds(60));
 
    // Start an asynchronous wait.
@@ -42150,7 +49671,7 @@ For each call to `async_wait()`, the supplied handler will be called exactly onc
      const asio::error_code& error // Result of operation.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`. ]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`]. ]]
 
 ]
 
@@ -42167,44 +49688,67 @@ Constructor.
 
 
   explicit ``[link asio.reference.basic_waitable_timer.basic_waitable_timer.overload1 basic_waitable_timer]``(
-      asio::io_context & io_context);
+      const executor_type & ex);
   ``  [''''&raquo;''' [link asio.reference.basic_waitable_timer.basic_waitable_timer.overload1 more...]]``
 
+  template<
+      typename ExecutionContext>
+  explicit ``[link asio.reference.basic_waitable_timer.basic_waitable_timer.overload2 basic_waitable_timer]``(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_waitable_timer.basic_waitable_timer.overload2 more...]]``
+
 
 Constructor to set a particular expiry time as an absolute time. 
 
 
-  ``[link asio.reference.basic_waitable_timer.basic_waitable_timer.overload2 basic_waitable_timer]``(
-      asio::io_context & io_context,
+  ``[link asio.reference.basic_waitable_timer.basic_waitable_timer.overload3 basic_waitable_timer]``(
+      const executor_type & ex,
       const time_point & expiry_time);
-  ``  [''''&raquo;''' [link asio.reference.basic_waitable_timer.basic_waitable_timer.overload2 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_waitable_timer.basic_waitable_timer.overload3 more...]]``
+
+  template<
+      typename ExecutionContext>
+  explicit ``[link asio.reference.basic_waitable_timer.basic_waitable_timer.overload4 basic_waitable_timer]``(
+      ExecutionContext & context,
+      const time_point & expiry_time,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_waitable_timer.basic_waitable_timer.overload4 more...]]``
 
 
 Constructor to set a particular expiry time relative to now. 
 
 
-  ``[link asio.reference.basic_waitable_timer.basic_waitable_timer.overload3 basic_waitable_timer]``(
-      asio::io_context & io_context,
+  ``[link asio.reference.basic_waitable_timer.basic_waitable_timer.overload5 basic_waitable_timer]``(
+      const executor_type & ex,
       const duration & expiry_time);
-  ``  [''''&raquo;''' [link asio.reference.basic_waitable_timer.basic_waitable_timer.overload3 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_waitable_timer.basic_waitable_timer.overload5 more...]]``
+
+  template<
+      typename ExecutionContext>
+  explicit ``[link asio.reference.basic_waitable_timer.basic_waitable_timer.overload6 basic_waitable_timer]``(
+      ExecutionContext & context,
+      const duration & expiry_time,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.basic_waitable_timer.basic_waitable_timer.overload6 more...]]``
 
 
 Move-construct a [link asio.reference.basic_waitable_timer `basic_waitable_timer`] from another. 
 
 
-  ``[link asio.reference.basic_waitable_timer.basic_waitable_timer.overload4 basic_waitable_timer]``(
+  ``[link asio.reference.basic_waitable_timer.basic_waitable_timer.overload7 basic_waitable_timer]``(
       basic_waitable_timer && other);
-  ``  [''''&raquo;''' [link asio.reference.basic_waitable_timer.basic_waitable_timer.overload4 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.basic_waitable_timer.basic_waitable_timer.overload7 more...]]``
 
 
-[section:overload1 basic_waitable_timer::basic_waitable_timer (1 of 4 overloads)]
+[section:overload1 basic_waitable_timer::basic_waitable_timer (1 of 7 overloads)]
 
 
 Constructor. 
 
 
   basic_waitable_timer(
-      asio::io_context & io_context);
+      const executor_type & ex);
 
 
 This constructor creates a timer without setting an expiry time. The `expires_at()` or `expires_after()` functions must be called to set an expiry time before the timer can be waited on.
@@ -42215,7 +49759,7 @@ This constructor creates a timer without setting an expiry time. The `expires_at
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the timer will use to dispatch handlers for any asynchronous operations performed on the timer. ]]
+[[ex][The I/O executor that the timer will use, by default, to dispatch handlers for any asynchronous operations performed on the timer. ]]
 
 ]
 
@@ -42226,14 +49770,46 @@ This constructor creates a timer without setting an expiry time. The `expires_at
 
 
 
-[section:overload2 basic_waitable_timer::basic_waitable_timer (2 of 4 overloads)]
+[section:overload2 basic_waitable_timer::basic_waitable_timer (2 of 7 overloads)]
+
+
+Constructor. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_waitable_timer(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a timer without setting an expiry time. The `expires_at()` or `expires_after()` functions must be called to set an expiry time before the timer can be waited on.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the timer will use, by default, to dispatch handlers for any asynchronous operations performed on the timer. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload3 basic_waitable_timer::basic_waitable_timer (3 of 7 overloads)]
 
 
 Constructor to set a particular expiry time as an absolute time. 
 
 
   basic_waitable_timer(
-      asio::io_context & io_context,
+      const executor_type & ex,
       const time_point & expiry_time);
 
 
@@ -42245,7 +49821,7 @@ This constructor creates a timer and sets the expiry time.
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the timer will use to dispatch handlers for any asynchronous operations performed on the timer.]]
+[[ex][The I/O executor object that the timer will use, by default, to dispatch handlers for any asynchronous operations performed on the timer.]]
 
 [[expiry_time][The expiry time to be used for the timer, expressed as an absolute time. ]]
 
@@ -42258,14 +49834,49 @@ This constructor creates a timer and sets the expiry time.
 
 
 
-[section:overload3 basic_waitable_timer::basic_waitable_timer (3 of 4 overloads)]
+[section:overload4 basic_waitable_timer::basic_waitable_timer (4 of 7 overloads)]
+
+
+Constructor to set a particular expiry time as an absolute time. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_waitable_timer(
+      ExecutionContext & context,
+      const time_point & expiry_time,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a timer and sets the expiry time.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the timer will use, by default, to dispatch handlers for any asynchronous operations performed on the timer.]]
+
+[[expiry_time][The expiry time to be used for the timer, expressed as an absolute time. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload5 basic_waitable_timer::basic_waitable_timer (5 of 7 overloads)]
 
 
 Constructor to set a particular expiry time relative to now. 
 
 
   basic_waitable_timer(
-      asio::io_context & io_context,
+      const executor_type & ex,
       const duration & expiry_time);
 
 
@@ -42277,7 +49888,7 @@ This constructor creates a timer and sets the expiry time.
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the timer will use to dispatch handlers for any asynchronous operations performed on the timer.]]
+[[ex][The I/O executor that the timer will use, by default, to dispatch handlers for any asynchronous operations performed on the timer.]]
 
 [[expiry_time][The expiry time to be used for the timer, relative to now. ]]
 
@@ -42290,7 +49901,42 @@ This constructor creates a timer and sets the expiry time.
 
 
 
-[section:overload4 basic_waitable_timer::basic_waitable_timer (4 of 4 overloads)]
+[section:overload6 basic_waitable_timer::basic_waitable_timer (6 of 7 overloads)]
+
+
+Constructor to set a particular expiry time relative to now. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_waitable_timer(
+      ExecutionContext & context,
+      const duration & expiry_time,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a timer and sets the expiry time.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the timer will use, by default, to dispatch handlers for any asynchronous operations performed on the timer.]]
+
+[[expiry_time][The expiry time to be used for the timer, relative to now. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload7 basic_waitable_timer::basic_waitable_timer (7 of 7 overloads)]
 
 
 Move-construct a [link asio.reference.basic_waitable_timer `basic_waitable_timer`] from another. 
@@ -42315,7 +49961,7 @@ This constructor moves a timer from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_waitable_timer(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_waitable_timer(const executor_type&)` constructor. 
 
 
 
@@ -42598,66 +50244,9 @@ The duration type of the clock.
 The type of the executor associated with the object. 
 
 
-  typedef io_context::executor_type executor_type;
+  typedef Executor executor_type;
 
 
-[heading Member Functions]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.context [*context]]]
-    [Obtain the underlying execution context. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.defer [*defer]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.dispatch [*dispatch]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_finished [*on_work_finished]]]
-    [Inform the io_context that some work is no longer outstanding. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_started [*on_work_started]]]
-    [Inform the io_context that it has some outstanding work to do. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.post [*post]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.running_in_this_thread [*running_in_this_thread]]]
-    [Determine whether the io_context is running in the current thread. ]
-  ]
-  
-]
-
-[heading Friends]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.operator_not__eq_ [*operator!=]]]
-    [Compare two executors for inequality. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.operator_eq__eq_ [*operator==]]]
-    [Compare two executors for equality. ]
-  ]
-  
-]
-
 
 [heading Requirements]
 
@@ -43041,52 +50630,6 @@ Get the executor associated with the object.
 
 
 
-[endsect]
-
-
-
-[section:get_io_context basic_waitable_timer::get_io_context]
-
-[indexterm2 asio.indexterm.basic_waitable_timer.get_io_context..get_io_context..basic_waitable_timer] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_context();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
-[section:get_io_service basic_waitable_timer::get_io_service]
-
-[indexterm2 asio.indexterm.basic_waitable_timer.get_io_service..get_io_service..basic_waitable_timer] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_service();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
 [endsect]
 
 
@@ -43116,7 +50659,7 @@ This assignment operator moves a timer from one object to another. Cancels any o
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_waitable_timer(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_waitable_timer(const executor_type&)` constructor. 
 
 
 
@@ -43295,7 +50838,7 @@ Context object the represents the currently executing coroutine.
   [
     [[link asio.reference.basic_yield_context.basic_yield_context [*basic_yield_context]]]
     [Construct a yield context to represent the specified coroutine. 
-
+     [hr]
      Construct a yield context from another yield context type. ]
   ]
   
@@ -43499,7 +51042,6 @@ By default, when a yield context is used with an asynchronous operation, a non-s
 [indexterm1 asio.indexterm.bind_executor..bind_executor] 
 Associate an object of type `T` with an executor of type `Executor`. 
 
-    
   template<
       typename ``[link asio.reference.Executor1 Executor]``,
       typename T>
@@ -43509,6 +51051,8 @@ Associate an object of type `T` with an executor of type `Executor`.
       typename enable_if< is_executor< Executor >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.bind_executor.overload1 more...]]``
 
+Associate an object of type `T` with an execution context's executor. 
+
   template<
       typename ExecutionContext,
       typename T>
@@ -43571,7 +51115,9 @@ Associate an object of type `T` with an execution context's executor.
 [indexterm1 asio.indexterm.buffer..buffer] 
 The `asio::buffer` function is used to create a buffer object to represent raw memory, an array of POD elements, a vector of POD elements, or a std::string. 
 
-      
+
+Create a new modifiable buffer from an existing buffer. 
+
   mutable_buffer ``[link asio.reference.buffer.overload1 buffer]``(
       const mutable_buffer & b);
   ``  [''''&raquo;''' [link asio.reference.buffer.overload1 more...]]``
@@ -43581,6 +51127,8 @@ The `asio::buffer` function is used to create a buffer object to represent raw m
       std::size_t max_size_in_bytes);
   ``  [''''&raquo;''' [link asio.reference.buffer.overload2 more...]]``
 
+Create a new non-modifiable buffer from an existing buffer. 
+
   const_buffer ``[link asio.reference.buffer.overload3 buffer]``(
       const const_buffer & b);
   ``  [''''&raquo;''' [link asio.reference.buffer.overload3 more...]]``
@@ -43590,16 +51138,22 @@ The `asio::buffer` function is used to create a buffer object to represent raw m
       std::size_t max_size_in_bytes);
   ``  [''''&raquo;''' [link asio.reference.buffer.overload4 more...]]``
 
+Create a new modifiable buffer that represents the given memory range. 
+
   mutable_buffer ``[link asio.reference.buffer.overload5 buffer]``(
       void * data,
       std::size_t size_in_bytes);
   ``  [''''&raquo;''' [link asio.reference.buffer.overload5 more...]]``
 
+Create a new non-modifiable buffer that represents the given memory range. 
+
   const_buffer ``[link asio.reference.buffer.overload6 buffer]``(
       const void * data,
       std::size_t size_in_bytes);
   ``  [''''&raquo;''' [link asio.reference.buffer.overload6 more...]]``
 
+Create a new modifiable buffer that represents the given POD array. 
+
   template<
       typename PodType,
       std::size_t N>
@@ -43615,6 +51169,8 @@ The `asio::buffer` function is used to create a buffer object to represent raw m
       std::size_t max_size_in_bytes);
   ``  [''''&raquo;''' [link asio.reference.buffer.overload8 more...]]``
 
+Create a new non-modifiable buffer that represents the given POD array. 
+
   template<
       typename PodType,
       std::size_t N>
@@ -43630,6 +51186,8 @@ The `asio::buffer` function is used to create a buffer object to represent raw m
       std::size_t max_size_in_bytes);
   ``  [''''&raquo;''' [link asio.reference.buffer.overload10 more...]]``
 
+Create a new modifiable buffer that represents the given POD array. 
+
   template<
       typename PodType,
       std::size_t N>
@@ -43645,6 +51203,8 @@ The `asio::buffer` function is used to create a buffer object to represent raw m
       std::size_t max_size_in_bytes);
   ``  [''''&raquo;''' [link asio.reference.buffer.overload12 more...]]``
 
+Create a new non-modifiable buffer that represents the given POD array. 
+
   template<
       typename PodType,
       std::size_t N>
@@ -43675,6 +51235,8 @@ The `asio::buffer` function is used to create a buffer object to represent raw m
       std::size_t max_size_in_bytes);
   ``  [''''&raquo;''' [link asio.reference.buffer.overload16 more...]]``
 
+Create a new modifiable buffer that represents the given POD array. 
+
   template<
       typename PodType,
       std::size_t N>
@@ -43690,6 +51252,8 @@ The `asio::buffer` function is used to create a buffer object to represent raw m
       std::size_t max_size_in_bytes);
   ``  [''''&raquo;''' [link asio.reference.buffer.overload18 more...]]``
 
+Create a new non-modifiable buffer that represents the given POD array. 
+
   template<
       typename PodType,
       std::size_t N>
@@ -43720,6 +51284,8 @@ The `asio::buffer` function is used to create a buffer object to represent raw m
       std::size_t max_size_in_bytes);
   ``  [''''&raquo;''' [link asio.reference.buffer.overload22 more...]]``
 
+Create a new modifiable buffer that represents the given POD vector. 
+
   template<
       typename PodType,
       typename Allocator>
@@ -43735,6 +51301,8 @@ The `asio::buffer` function is used to create a buffer object to represent raw m
       std::size_t max_size_in_bytes);
   ``  [''''&raquo;''' [link asio.reference.buffer.overload24 more...]]``
 
+Create a new non-modifiable buffer that represents the given POD vector. 
+
   template<
       typename PodType,
       typename Allocator>
@@ -43750,6 +51318,8 @@ The `asio::buffer` function is used to create a buffer object to represent raw m
       std::size_t max_size_in_bytes);
   ``  [''''&raquo;''' [link asio.reference.buffer.overload26 more...]]``
 
+Create a new modifiable buffer that represents the given string. 
+
   template<
       typename Elem,
       typename Traits,
@@ -43767,6 +51337,8 @@ The `asio::buffer` function is used to create a buffer object to represent raw m
       std::size_t max_size_in_bytes);
   ``  [''''&raquo;''' [link asio.reference.buffer.overload28 more...]]``
 
+Create a new non-modifiable buffer that represents the given string. 
+
   template<
       typename Elem,
       typename Traits,
@@ -43784,6 +51356,8 @@ The `asio::buffer` function is used to create a buffer object to represent raw m
       std::size_t max_size_in_bytes);
   ``  [''''&raquo;''' [link asio.reference.buffer.overload30 more...]]``
 
+Create a new modifiable buffer that represents the given string\_view. 
+
   template<
       typename Elem,
       typename Traits>
@@ -43791,6 +51365,8 @@ The `asio::buffer` function is used to create a buffer object to represent raw m
       basic_string_view< Elem, Traits > data);
   ``  [''''&raquo;''' [link asio.reference.buffer.overload31 more...]]``
 
+Create a new non-modifiable buffer that represents the given string. 
+
   template<
       typename Elem,
       typename Traits>
@@ -44834,7 +52410,7 @@ The buffer is invalidated by any non-const operation called on the given string
 [section:overload28 buffer (28 of 32 overloads)]
 
 
-Create a new non-modifiable buffer that represents the given string. 
+Create a new modifiable buffer that represents the given string. 
 
 
   template<
@@ -45004,7 +52580,9 @@ A [link asio.reference.mutable_buffer `mutable_buffer`] value equivalent to:
 [indexterm1 asio.indexterm.buffer_cast..buffer_cast] 
 (Deprecated: Use the `data()` member function.) The `asio::buffer_cast` function is used to obtain a pointer to the underlying memory region associated with a buffer. 
 
-      
+
+Cast a non-modifiable buffer to a specified pointer to POD type. 
+
   template<
       typename PointerToPodType>
   PointerToPodType ``[link asio.reference.buffer_cast.overload1 buffer_cast]``(
@@ -45087,7 +52665,9 @@ Cast a non-modifiable buffer to a specified pointer to POD type.
 [indexterm1 asio.indexterm.buffer_copy..buffer_copy] 
 The `asio::buffer_copy` function is used to copy bytes from a source buffer (or buffer sequence) to a target buffer (or buffer sequence). 
 
-      
+
+Copies bytes from a source buffer sequence to a target buffer sequence. 
+
   template<
       typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``,
       typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
@@ -45096,6 +52676,8 @@ The `asio::buffer_copy` function is used to copy bytes from a source buffer (or
       const ConstBufferSequence & source);
   ``  [''''&raquo;''' [link asio.reference.buffer_copy.overload1 more...]]``
 
+Copies a limited number of bytes from a source buffer sequence to a target buffer sequence. 
+
   template<
       typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``,
       typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
@@ -45245,25 +52827,35 @@ This function is implemented in terms of `memcpy`, and consequently it cannot be
 [indexterm1 asio.indexterm.buffer_sequence_begin..buffer_sequence_begin] 
 The `asio::buffer_sequence_begin` function returns an iterator pointing to the first element in a buffer sequence. 
 
-      
+
+Get an iterator to the first element in a buffer sequence. 
+
+  template<
+      typename MutableBuffer>
   const mutable_buffer * ``[link asio.reference.buffer_sequence_begin.overload1 buffer_sequence_begin]``(
-      const mutable_buffer & b);
+      const MutableBuffer & b,
+      typename enable_if< is_convertible< const MutableBuffer *, const mutable_buffer * >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.buffer_sequence_begin.overload1 more...]]``
 
+  template<
+      typename ConstBuffer>
   const const_buffer * ``[link asio.reference.buffer_sequence_begin.overload2 buffer_sequence_begin]``(
-      const const_buffer & b);
+      const ConstBuffer & b,
+      typename enable_if< is_convertible< const ConstBuffer *, const const_buffer * >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.buffer_sequence_begin.overload2 more...]]``
 
   template<
       typename C>
   auto ``[link asio.reference.buffer_sequence_begin.overload3 buffer_sequence_begin]``(
-      C & c);
+      C & c,
+      typename enable_if< !is_convertible< const C *, const mutable_buffer * >::value &&!is_convertible< const C *, const const_buffer * >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.buffer_sequence_begin.overload3 more...]]``
 
   template<
       typename C>
   auto ``[link asio.reference.buffer_sequence_begin.overload4 buffer_sequence_begin]``(
-      const C & c);
+      const C & c,
+      typename enable_if< !is_convertible< const C *, const mutable_buffer * >::value &&!is_convertible< const C *, const const_buffer * >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.buffer_sequence_begin.overload4 more...]]``
 
 [heading Requirements]
@@ -45279,8 +52871,11 @@ The `asio::buffer_sequence_begin` function returns an iterator pointing to the f
 Get an iterator to the first element in a buffer sequence. 
 
 
+  template<
+      typename MutableBuffer>
   const mutable_buffer * buffer_sequence_begin(
-      const mutable_buffer & b);
+      const MutableBuffer & b,
+      typename enable_if< is_convertible< const MutableBuffer *, const mutable_buffer * >::value >::type *  = 0);
 
 
 
@@ -45294,8 +52889,11 @@ Get an iterator to the first element in a buffer sequence.
 Get an iterator to the first element in a buffer sequence. 
 
 
+  template<
+      typename ConstBuffer>
   const const_buffer * buffer_sequence_begin(
-      const const_buffer & b);
+      const ConstBuffer & b,
+      typename enable_if< is_convertible< const ConstBuffer *, const const_buffer * >::value >::type *  = 0);
 
 
 
@@ -45312,7 +52910,8 @@ Get an iterator to the first element in a buffer sequence.
   template<
       typename C>
   auto buffer_sequence_begin(
-      C & c);
+      C & c,
+      typename enable_if< !is_convertible< const C *, const mutable_buffer * >::value &&!is_convertible< const C *, const const_buffer * >::value >::type *  = 0);
 
 
 
@@ -45329,7 +52928,8 @@ Get an iterator to the first element in a buffer sequence.
   template<
       typename C>
   auto buffer_sequence_begin(
-      const C & c);
+      const C & c,
+      typename enable_if< !is_convertible< const C *, const mutable_buffer * >::value &&!is_convertible< const C *, const const_buffer * >::value >::type *  = 0);
 
 
 
@@ -45343,25 +52943,35 @@ Get an iterator to the first element in a buffer sequence.
 [indexterm1 asio.indexterm.buffer_sequence_end..buffer_sequence_end] 
 The `asio::buffer_sequence_end` function returns an iterator pointing to one past the end element in a buffer sequence. 
 
-      
+
+Get an iterator to one past the end element in a buffer sequence. 
+
+  template<
+      typename MutableBuffer>
   const mutable_buffer * ``[link asio.reference.buffer_sequence_end.overload1 buffer_sequence_end]``(
-      const mutable_buffer & b);
+      const MutableBuffer & b,
+      typename enable_if< is_convertible< const MutableBuffer *, const mutable_buffer * >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.buffer_sequence_end.overload1 more...]]``
 
+  template<
+      typename ConstBuffer>
   const const_buffer * ``[link asio.reference.buffer_sequence_end.overload2 buffer_sequence_end]``(
-      const const_buffer & b);
+      const ConstBuffer & b,
+      typename enable_if< is_convertible< const ConstBuffer *, const const_buffer * >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.buffer_sequence_end.overload2 more...]]``
 
   template<
       typename C>
   auto ``[link asio.reference.buffer_sequence_end.overload3 buffer_sequence_end]``(
-      C & c);
+      C & c,
+      typename enable_if< !is_convertible< const C *, const mutable_buffer * >::value &&!is_convertible< const C *, const const_buffer * >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.buffer_sequence_end.overload3 more...]]``
 
   template<
       typename C>
   auto ``[link asio.reference.buffer_sequence_end.overload4 buffer_sequence_end]``(
-      const C & c);
+      const C & c,
+      typename enable_if< !is_convertible< const C *, const mutable_buffer * >::value &&!is_convertible< const C *, const const_buffer * >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.buffer_sequence_end.overload4 more...]]``
 
 [heading Requirements]
@@ -45377,8 +52987,11 @@ The `asio::buffer_sequence_end` function returns an iterator pointing to one pas
 Get an iterator to one past the end element in a buffer sequence. 
 
 
+  template<
+      typename MutableBuffer>
   const mutable_buffer * buffer_sequence_end(
-      const mutable_buffer & b);
+      const MutableBuffer & b,
+      typename enable_if< is_convertible< const MutableBuffer *, const mutable_buffer * >::value >::type *  = 0);
 
 
 
@@ -45392,8 +53005,11 @@ Get an iterator to one past the end element in a buffer sequence.
 Get an iterator to one past the end element in a buffer sequence. 
 
 
+  template<
+      typename ConstBuffer>
   const const_buffer * buffer_sequence_end(
-      const const_buffer & b);
+      const ConstBuffer & b,
+      typename enable_if< is_convertible< const ConstBuffer *, const const_buffer * >::value >::type *  = 0);
 
 
 
@@ -45410,7 +53026,8 @@ Get an iterator to one past the end element in a buffer sequence.
   template<
       typename C>
   auto buffer_sequence_end(
-      C & c);
+      C & c,
+      typename enable_if< !is_convertible< const C *, const mutable_buffer * >::value &&!is_convertible< const C *, const const_buffer * >::value >::type *  = 0);
 
 
 
@@ -45427,7 +53044,8 @@ Get an iterator to one past the end element in a buffer sequence.
   template<
       typename C>
   auto buffer_sequence_end(
-      const C & c);
+      const C & c,
+      typename enable_if< !is_convertible< const C *, const mutable_buffer * >::value &&!is_convertible< const C *, const const_buffer * >::value >::type *  = 0);
 
 
 
@@ -45549,7 +53167,7 @@ Adds buffering to the read-related operations of a stream.
   [
     [[link asio.reference.buffered_read_stream.fill [*fill]]]
     [Fill the buffer with some data. Returns the number of bytes placed in the buffer as a result of the operation. Throws an exception on failure. 
-
+     [hr]
      Fill the buffer with some data. Returns the number of bytes placed in the buffer as a result of the operation, or 0 if an error occurred. ]
   ]
   
@@ -45558,16 +53176,6 @@ Adds buffering to the read-related operations of a stream.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.buffered_read_stream.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.buffered_read_stream.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.buffered_read_stream.in_avail [*in_avail]]]
     [Determine the amount of data that may be read without blocking. ]
@@ -45576,7 +53184,7 @@ Adds buffering to the read-related operations of a stream.
   [
     [[link asio.reference.buffered_read_stream.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
@@ -45588,21 +53196,21 @@ Adds buffering to the read-related operations of a stream.
   [
     [[link asio.reference.buffered_read_stream.peek [*peek]]]
     [Peek at the incoming data on the stream. Returns the number of bytes read. Throws an exception on failure. 
-
+     [hr]
      Peek at the incoming data on the stream. Returns the number of bytes read, or 0 if an error occurred. ]
   ]
   
   [
     [[link asio.reference.buffered_read_stream.read_some [*read_some]]]
     [Read some data from the stream. Returns the number of bytes read. Throws an exception on failure. 
-
+     [hr]
      Read some data from the stream. Returns the number of bytes read or 0 if an error occurred. ]
   ]
   
   [
     [[link asio.reference.buffered_read_stream.write_some [*write_some]]]
     [Write the given data to the stream. Returns the number of bytes written. Throws an exception on failure. 
-
+     [hr]
      Write the given data to the stream. Returns the number of bytes written, or 0 if an error occurred. ]
   ]
   
@@ -45886,34 +53494,6 @@ Get the executor associated with the object.
 
 
 
-[endsect]
-
-
-
-[section:get_io_context buffered_read_stream::get_io_context]
-
-[indexterm2 asio.indexterm.buffered_read_stream.get_io_context..get_io_context..buffered_read_stream] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_context();
-
-
-
-[endsect]
-
-
-
-[section:get_io_service buffered_read_stream::get_io_service]
-
-[indexterm2 asio.indexterm.buffered_read_stream.get_io_service..get_io_service..buffered_read_stream] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_service();
-
-
-
 [endsect]
 
 
@@ -46322,14 +53902,14 @@ Adds buffering to the read- and write-related operations of a stream.
   [
     [[link asio.reference.buffered_stream.fill [*fill]]]
     [Fill the buffer with some data. Returns the number of bytes placed in the buffer as a result of the operation. Throws an exception on failure. 
-
+     [hr]
      Fill the buffer with some data. Returns the number of bytes placed in the buffer as a result of the operation, or 0 if an error occurred. ]
   ]
   
   [
     [[link asio.reference.buffered_stream.flush [*flush]]]
     [Flush all data from the buffer to the next layer. Returns the number of bytes written to the next layer on the last write operation. Throws an exception on failure. 
-
+     [hr]
      Flush all data from the buffer to the next layer. Returns the number of bytes written to the next layer on the last write operation, or 0 if an error occurred. ]
   ]
   
@@ -46338,16 +53918,6 @@ Adds buffering to the read- and write-related operations of a stream.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.buffered_stream.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.buffered_stream.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.buffered_stream.in_avail [*in_avail]]]
     [Determine the amount of data that may be read without blocking. ]
@@ -46356,7 +53926,7 @@ Adds buffering to the read- and write-related operations of a stream.
   [
     [[link asio.reference.buffered_stream.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
@@ -46368,21 +53938,21 @@ Adds buffering to the read- and write-related operations of a stream.
   [
     [[link asio.reference.buffered_stream.peek [*peek]]]
     [Peek at the incoming data on the stream. Returns the number of bytes read. Throws an exception on failure. 
-
+     [hr]
      Peek at the incoming data on the stream. Returns the number of bytes read, or 0 if an error occurred. ]
   ]
   
   [
     [[link asio.reference.buffered_stream.read_some [*read_some]]]
     [Read some data from the stream. Returns the number of bytes read. Throws an exception on failure. 
-
+     [hr]
      Read some data from the stream. Returns the number of bytes read or 0 if an error occurred. ]
   ]
   
   [
     [[link asio.reference.buffered_stream.write_some [*write_some]]]
     [Write the given data to the stream. Returns the number of bytes written. Throws an exception on failure. 
-
+     [hr]
      Write the given data to the stream. Returns the number of bytes written, or 0 if an error occurred. ]
   ]
   
@@ -46708,34 +54278,6 @@ Get the executor associated with the object.
 
 
 
-[endsect]
-
-
-
-[section:get_io_context buffered_stream::get_io_context]
-
-[indexterm2 asio.indexterm.buffered_stream.get_io_context..get_io_context..buffered_stream] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_context();
-
-
-
-[endsect]
-
-
-
-[section:get_io_service buffered_stream::get_io_service]
-
-[indexterm2 asio.indexterm.buffered_stream.get_io_service..get_io_service..buffered_stream] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_service();
-
-
-
 [endsect]
 
 
@@ -47139,7 +54681,7 @@ Adds buffering to the write-related operations of a stream.
   [
     [[link asio.reference.buffered_write_stream.flush [*flush]]]
     [Flush all data from the buffer to the next layer. Returns the number of bytes written to the next layer on the last write operation. Throws an exception on failure. 
-
+     [hr]
      Flush all data from the buffer to the next layer. Returns the number of bytes written to the next layer on the last write operation, or 0 if an error occurred. ]
   ]
   
@@ -47148,16 +54690,6 @@ Adds buffering to the write-related operations of a stream.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.buffered_write_stream.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.buffered_write_stream.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.buffered_write_stream.in_avail [*in_avail]]]
     [Determine the amount of data that may be read without blocking. ]
@@ -47166,7 +54698,7 @@ Adds buffering to the write-related operations of a stream.
   [
     [[link asio.reference.buffered_write_stream.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
@@ -47178,21 +54710,21 @@ Adds buffering to the write-related operations of a stream.
   [
     [[link asio.reference.buffered_write_stream.peek [*peek]]]
     [Peek at the incoming data on the stream. Returns the number of bytes read. Throws an exception on failure. 
-
+     [hr]
      Peek at the incoming data on the stream. Returns the number of bytes read, or 0 if an error occurred. ]
   ]
   
   [
     [[link asio.reference.buffered_write_stream.read_some [*read_some]]]
     [Read some data from the stream. Returns the number of bytes read. Throws an exception on failure. 
-
+     [hr]
      Read some data from the stream. Returns the number of bytes read or 0 if an error occurred. ]
   ]
   
   [
     [[link asio.reference.buffered_write_stream.write_some [*write_some]]]
     [Write the given data to the stream. Returns the number of bytes written. Throws an exception on failure. 
-
+     [hr]
      Write the given data to the stream. Returns the number of bytes written, or 0 if an error occurred and the error handler did not throw. ]
   ]
   
@@ -47476,34 +55008,6 @@ Get the executor associated with the object.
 
 
 
-[endsect]
-
-
-
-[section:get_io_context buffered_write_stream::get_io_context]
-
-[indexterm2 asio.indexterm.buffered_write_stream.get_io_context..get_io_context..buffered_write_stream] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_context();
-
-
-
-[endsect]
-
-
-
-[section:get_io_service buffered_write_stream::get_io_service]
-
-[indexterm2 asio.indexterm.buffered_write_stream.get_io_service..get_io_service..buffered_write_stream] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_service();
-
-
-
 [endsect]
 
 
@@ -47962,7 +55466,7 @@ A random access iterator over the bytes in a buffer sequence.
   [
     [[link asio.reference.buffers_iterator.operator_plus__plus_ [*operator++]]]
     [Increment operator (prefix). 
-
+     [hr]
      Increment operator (postfix). ]
   ]
   
@@ -47974,7 +55478,7 @@ A random access iterator over the bytes in a buffer sequence.
   [
     [[link asio.reference.buffers_iterator.operator_minus__minus_ [*operator--]]]
     [Decrement operator (prefix). 
-
+     [hr]
      Decrement operator (postfix). ]
   ]
   
@@ -48626,66 +56130,179 @@ The type of the value pointed to by the iterator.
 
 
 
+[endsect]
+
+[section:co_spawn co_spawn]
+
+[indexterm1 asio.indexterm.co_spawn..co_spawn] 
+Spawn a new thread of execution. 
+
+  template<
+      typename ``[link asio.reference.Executor1 Executor]``,
+      typename F,
+      typename CompletionToken>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.co_spawn.overload1 co_spawn]``(
+      const Executor & ex,
+      F && f,
+      CompletionToken && token,
+      typename enable_if< is_executor< Executor >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.co_spawn.overload1 more...]]``
+
+  template<
+      typename ExecutionContext,
+      typename F,
+      typename CompletionToken>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.co_spawn.overload2 co_spawn]``(
+      ExecutionContext & ctx,
+      F && f,
+      CompletionToken && token,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.co_spawn.overload2 more...]]``
+
+[heading Requirements]
+
+['Header: ][^asio/co_spawn.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[section:overload1 co_spawn (1 of 2 overloads)]
+
+
+Spawn a new thread of execution. 
+
+
+  template<
+      typename ``[link asio.reference.Executor1 Executor]``,
+      typename F,
+      typename CompletionToken>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` co_spawn(
+      const Executor & ex,
+      F && f,
+      CompletionToken && token,
+      typename enable_if< is_executor< Executor >::value >::type *  = 0);
+
+
+The entry point function object `f` must have the signature:
+
+
+
+   awaitable<void, E> f(); 
+
+
+
+
+where `E` is convertible from `Executor`. 
+
+
+[endsect]
+
+
+
+[section:overload2 co_spawn (2 of 2 overloads)]
+
+
+Spawn a new thread of execution. 
+
+
+  template<
+      typename ExecutionContext,
+      typename F,
+      typename CompletionToken>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` co_spawn(
+      ExecutionContext & ctx,
+      F && f,
+      CompletionToken && token,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+The entry point function object `f` must have the signature:
+
+
+
+   awaitable<void, E> f(); 
+
+
+
+
+where `E` is convertible from `ExecutionContext::executor_type`. 
+
+
+[endsect]
+
+
 [endsect]
 
 [section:connect connect]
 
 [indexterm1 asio.indexterm.connect..connect] 
+The `connect` function is a composed operation that establishes a socket connection by trying each endpoint in a sequence. 
+
+
 Establishes a socket connection by trying each endpoint in a sequence. 
 
-      
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename ``[link asio.reference.EndpointSequence EndpointSequence]``>
   Protocol::endpoint ``[link asio.reference.connect.overload1 connect]``(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       const EndpointSequence & endpoints,
       typename enable_if< is_endpoint_sequence< EndpointSequence >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.connect.overload1 more...]]``
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename ``[link asio.reference.EndpointSequence EndpointSequence]``>
   Protocol::endpoint ``[link asio.reference.connect.overload2 connect]``(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       const EndpointSequence & endpoints,
       asio::error_code & ec,
       typename enable_if< is_endpoint_sequence< EndpointSequence >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.connect.overload2 more...]]``
 
+(Deprecated: Use range overload.) Establishes a socket connection by trying each endpoint in a sequence. 
+
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename Iterator>
   Iterator ``[link asio.reference.connect.overload3 connect]``(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       Iterator begin,
       typename enable_if<!is_endpoint_sequence< Iterator >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.connect.overload3 more...]]``
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename Iterator>
   Iterator ``[link asio.reference.connect.overload4 connect]``(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       Iterator begin,
       asio::error_code & ec,
       typename enable_if<!is_endpoint_sequence< Iterator >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.connect.overload4 more...]]``
 
+Establishes a socket connection by trying each endpoint in a sequence. 
+
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename Iterator>
   Iterator ``[link asio.reference.connect.overload5 connect]``(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       Iterator begin,
       Iterator end);
   ``  [''''&raquo;''' [link asio.reference.connect.overload5 more...]]``
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename Iterator>
   Iterator ``[link asio.reference.connect.overload6 connect]``(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       Iterator begin,
       Iterator end,
       asio::error_code & ec);
@@ -48693,10 +56310,11 @@ Establishes a socket connection by trying each endpoint in a sequence.
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename ``[link asio.reference.EndpointSequence EndpointSequence]``,
       typename ``[link asio.reference.ConnectCondition ConnectCondition]``>
   Protocol::endpoint ``[link asio.reference.connect.overload7 connect]``(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       const EndpointSequence & endpoints,
       ConnectCondition connect_condition,
       typename enable_if< is_endpoint_sequence< EndpointSequence >::value >::type *  = 0);
@@ -48704,22 +56322,26 @@ Establishes a socket connection by trying each endpoint in a sequence.
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename ``[link asio.reference.EndpointSequence EndpointSequence]``,
       typename ``[link asio.reference.ConnectCondition ConnectCondition]``>
   Protocol::endpoint ``[link asio.reference.connect.overload8 connect]``(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       const EndpointSequence & endpoints,
       ConnectCondition connect_condition,
       asio::error_code & ec,
       typename enable_if< is_endpoint_sequence< EndpointSequence >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.connect.overload8 more...]]``
 
+(Deprecated: Use range overload.) Establishes a socket connection by trying each endpoint in a sequence. 
+
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename Iterator,
       typename ``[link asio.reference.ConnectCondition ConnectCondition]``>
   Iterator ``[link asio.reference.connect.overload9 connect]``(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       Iterator begin,
       ConnectCondition connect_condition,
       typename enable_if<!is_endpoint_sequence< Iterator >::value >::type *  = 0);
@@ -48727,22 +56349,26 @@ Establishes a socket connection by trying each endpoint in a sequence.
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename Iterator,
       typename ``[link asio.reference.ConnectCondition ConnectCondition]``>
   Iterator ``[link asio.reference.connect.overload10 connect]``(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       Iterator begin,
       ConnectCondition connect_condition,
       asio::error_code & ec,
       typename enable_if<!is_endpoint_sequence< Iterator >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.connect.overload10 more...]]``
 
+Establishes a socket connection by trying each endpoint in a sequence. 
+
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename Iterator,
       typename ``[link asio.reference.ConnectCondition ConnectCondition]``>
   Iterator ``[link asio.reference.connect.overload11 connect]``(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       Iterator begin,
       Iterator end,
       ConnectCondition connect_condition);
@@ -48750,10 +56376,11 @@ Establishes a socket connection by trying each endpoint in a sequence.
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename Iterator,
       typename ``[link asio.reference.ConnectCondition ConnectCondition]``>
   Iterator ``[link asio.reference.connect.overload12 connect]``(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       Iterator begin,
       Iterator end,
       ConnectCondition connect_condition,
@@ -48775,9 +56402,10 @@ Establishes a socket connection by trying each endpoint in a sequence.
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename ``[link asio.reference.EndpointSequence EndpointSequence]``>
   Protocol::endpoint connect(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       const EndpointSequence & endpoints,
       typename enable_if< is_endpoint_sequence< EndpointSequence >::value >::type *  = 0);
 
@@ -48816,9 +56444,9 @@ The successfully connected endpoint.
   
 
 
-   tcp::resolver r(io_context);
+   tcp::resolver r(my_context);
    tcp::resolver::query q("host", "service");
-   tcp::socket s(io_context);
+   tcp::socket s(my_context);
    asio::connect(s, r.resolve(q)); 
 
 
@@ -48839,9 +56467,10 @@ Establishes a socket connection by trying each endpoint in a sequence.
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename ``[link asio.reference.EndpointSequence EndpointSequence]``>
   Protocol::endpoint connect(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       const EndpointSequence & endpoints,
       asio::error_code & ec,
       typename enable_if< is_endpoint_sequence< EndpointSequence >::value >::type *  = 0);
@@ -48873,9 +56502,9 @@ On success, the successfully connected endpoint. Otherwise, a default-constructe
   
 
 
-   tcp::resolver r(io_context);
+   tcp::resolver r(my_context);
    tcp::resolver::query q("host", "service");
-   tcp::socket s(io_context);
+   tcp::socket s(my_context);
    asio::error_code ec;
    asio::connect(s, r.resolve(q), ec);
    if (ec)
@@ -48896,14 +56525,15 @@ On success, the successfully connected endpoint. Otherwise, a default-constructe
 [section:overload3 connect (3 of 12 overloads)]
 
 
-(Deprecated.) Establishes a socket connection by trying each endpoint in a sequence. 
+(Deprecated: Use range overload.) Establishes a socket connection by trying each endpoint in a sequence. 
 
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename Iterator>
   Iterator connect(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       Iterator begin,
       typename enable_if<!is_endpoint_sequence< Iterator >::value >::type *  = 0);
 
@@ -48952,14 +56582,15 @@ This overload assumes that a default constructed object of type `Iterator` repre
 [section:overload4 connect (4 of 12 overloads)]
 
 
-(Deprecated.) Establishes a socket connection by trying each endpoint in a sequence. 
+(Deprecated: Use range overload.) Establishes a socket connection by trying each endpoint in a sequence. 
 
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename Iterator>
   Iterator connect(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       Iterator begin,
       asio::error_code & ec,
       typename enable_if<!is_endpoint_sequence< Iterator >::value >::type *  = 0);
@@ -49006,9 +56637,10 @@ Establishes a socket connection by trying each endpoint in a sequence.
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename Iterator>
   Iterator connect(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       Iterator begin,
       Iterator end);
 
@@ -49049,10 +56681,10 @@ An iterator denoting the successfully connected endpoint.
   
 
 
-   tcp::resolver r(io_context);
+   tcp::resolver r(my_context);
    tcp::resolver::query q("host", "service");
    tcp::resolver::results_type e = r.resolve(q);
-   tcp::socket s(io_context);
+   tcp::socket s(my_context);
    asio::connect(s, e.begin(), e.end()); 
 
 
@@ -49073,9 +56705,10 @@ Establishes a socket connection by trying each endpoint in a sequence.
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename Iterator>
   Iterator connect(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       Iterator begin,
       Iterator end,
       asio::error_code & ec);
@@ -49109,10 +56742,10 @@ On success, an iterator denoting the successfully connected endpoint. Otherwise,
   
 
 
-   tcp::resolver r(io_context);
+   tcp::resolver r(my_context);
    tcp::resolver::query q("host", "service");
    tcp::resolver::results_type e = r.resolve(q);
-   tcp::socket s(io_context);
+   tcp::socket s(my_context);
    asio::error_code ec;
    asio::connect(s, e.begin(), e.end(), ec);
    if (ec)
@@ -49138,10 +56771,11 @@ Establishes a socket connection by trying each endpoint in a sequence.
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename ``[link asio.reference.EndpointSequence EndpointSequence]``,
       typename ``[link asio.reference.ConnectCondition ConnectCondition]``>
   Protocol::endpoint connect(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       const EndpointSequence & endpoints,
       ConnectCondition connect_condition,
       typename enable_if< is_endpoint_sequence< EndpointSequence >::value >::type *  = 0);
@@ -49204,9 +56838,9 @@ The following connect condition function object can be used to output informatio
 
 It would be used with the `asio::connect` function as follows: 
 
-   tcp::resolver r(io_context);
+   tcp::resolver r(my_context);
    tcp::resolver::query q("host", "service");
-   tcp::socket s(io_context);
+   tcp::socket s(my_context);
    tcp::endpoint e = asio::connect(s,
        r.resolve(q), my_connect_condition());
    std::cout << "Connected to: " << e << std::endl; 
@@ -49229,10 +56863,11 @@ Establishes a socket connection by trying each endpoint in a sequence.
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename ``[link asio.reference.EndpointSequence EndpointSequence]``,
       typename ``[link asio.reference.ConnectCondition ConnectCondition]``>
   Protocol::endpoint connect(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       const EndpointSequence & endpoints,
       ConnectCondition connect_condition,
       asio::error_code & ec,
@@ -49288,9 +56923,9 @@ The following connect condition function object can be used to output informatio
 
 It would be used with the `asio::connect` function as follows: 
 
-   tcp::resolver r(io_context);
+   tcp::resolver r(my_context);
    tcp::resolver::query q("host", "service");
-   tcp::socket s(io_context);
+   tcp::socket s(my_context);
    asio::error_code ec;
    tcp::endpoint e = asio::connect(s,
        r.resolve(q), my_connect_condition(), ec);
@@ -49316,15 +56951,16 @@ It would be used with the `asio::connect` function as follows:
 [section:overload9 connect (9 of 12 overloads)]
 
 
-(Deprecated.) Establishes a socket connection by trying each endpoint in a sequence. 
+(Deprecated: Use range overload.) Establishes a socket connection by trying each endpoint in a sequence. 
 
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename Iterator,
       typename ``[link asio.reference.ConnectCondition ConnectCondition]``>
   Iterator connect(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       Iterator begin,
       ConnectCondition connect_condition,
       typename enable_if<!is_endpoint_sequence< Iterator >::value >::type *  = 0);
@@ -49382,15 +57018,16 @@ This overload assumes that a default constructed object of type `Iterator` repre
 [section:overload10 connect (10 of 12 overloads)]
 
 
-(Deprecated.) Establishes a socket connection by trying each endpoint in a sequence. 
+(Deprecated: Use range overload.) Establishes a socket connection by trying each endpoint in a sequence. 
 
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename Iterator,
       typename ``[link asio.reference.ConnectCondition ConnectCondition]``>
   Iterator connect(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       Iterator begin,
       ConnectCondition connect_condition,
       asio::error_code & ec,
@@ -49446,10 +57083,11 @@ Establishes a socket connection by trying each endpoint in a sequence.
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename Iterator,
       typename ``[link asio.reference.ConnectCondition ConnectCondition]``>
   Iterator connect(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       Iterator begin,
       Iterator end,
       ConnectCondition connect_condition);
@@ -49514,10 +57152,10 @@ The following connect condition function object can be used to output informatio
 
 It would be used with the `asio::connect` function as follows: 
 
-   tcp::resolver r(io_context);
+   tcp::resolver r(my_context);
    tcp::resolver::query q("host", "service");
    tcp::resolver::results_type e = r.resolve(q);
-   tcp::socket s(io_context);
+   tcp::socket s(my_context);
    tcp::resolver::results_type::iterator i = asio::connect(
        s, e.begin(), e.end(), my_connect_condition());
    std::cout << "Connected to: " << i->endpoint() << std::endl; 
@@ -49540,10 +57178,11 @@ Establishes a socket connection by trying each endpoint in a sequence.
 
   template<
       typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``,
       typename Iterator,
       typename ``[link asio.reference.ConnectCondition ConnectCondition]``>
   Iterator connect(
-      basic_socket< Protocol > & s,
+      basic_socket< Protocol, Executor > & s,
       Iterator begin,
       Iterator end,
       ConnectCondition connect_condition,
@@ -49601,10 +57240,10 @@ The following connect condition function object can be used to output informatio
 
 It would be used with the `asio::connect` function as follows: 
 
-   tcp::resolver r(io_context);
+   tcp::resolver r(my_context);
    tcp::resolver::query q("host", "service");
    tcp::resolver::results_type e = r.resolve(q);
-   tcp::socket s(io_context);
+   tcp::socket s(my_context);
    asio::error_code ec;
    tcp::resolver::results_type::iterator i = asio::connect(
        s, e.begin(), e.end(), my_connect_condition());
@@ -49644,9 +57283,9 @@ Holds a buffer that cannot be modified.
   [
     [[link asio.reference.const_buffer.const_buffer [*const_buffer]]]
     [Construct an empty buffer. 
-
+     [hr]
      Construct a buffer to represent a given memory range. 
-
+     [hr]
      Construct a non-modifiable buffer from a modifiable one. ]
   ]
   
@@ -49915,7 +57554,7 @@ Get the size of the memory range.
   [
     [[link asio.reference.const_buffers_1.const_buffers_1 [*const_buffers_1]]]
     [Construct to represent a given memory range. 
-
+     [hr]
      Construct to represent a single non-modifiable buffer. ]
   ]
   
@@ -50184,9 +57823,9 @@ The type for each element in the list of buffers.
   [
     [[link asio.reference.const_buffer.const_buffer [*const_buffer]]]
     [Construct an empty buffer. 
-
+     [hr]
      Construct a buffer to represent a given memory range. 
-
+     [hr]
      Construct a non-modifiable buffer from a modifiable one. ]
   ]
   
@@ -50519,7 +58158,7 @@ The `fork` pseudo-keyword is used when "forking" a coroutine, i.e. splitting it
    {
      do
      {
-       socket_.reset(new tcp::socket(io_context_));
+       socket_.reset(new tcp::socket(my_context_));
        yield acceptor->async_accept(*socket_, *this);
        fork server(*this)();
      } while (is_parent());
@@ -50542,7 +58181,7 @@ The logical steps involved in a `fork` are:
 
 The functions `is_parent()` and `is_child()` can be used to differentiate between parent and child. You would use these functions to alter subsequent control flow.
 
-Note that `fork` doesn't do the actual forking by itself. It is the application's responsibility to create a clone of the coroutine and call it. The clone can be called immediately, as above, or scheduled for delayed execution using something like `io_context::post()`.
+Note that `fork` doesn't do the actual forking by itself. It is the application's responsibility to create a clone of the coroutine and call it. The clone can be called immediately, as above, or scheduled for delayed execution using something like [link asio.reference.post `post`].
 
 
 [heading Alternate macro names]
@@ -50681,11 +58320,11 @@ Typedef for the typical usage of timer. Uses a UTC clock.
   [
     [[link asio.reference.basic_deadline_timer.basic_deadline_timer [*basic_deadline_timer]]]
     [Constructor. 
-
+     [hr]
      Constructor to set a particular expiry time as an absolute time. 
-
+     [hr]
      Constructor to set a particular expiry time relative to now. 
-
+     [hr]
      Move-construct a basic_deadline_timer from another. ]
   ]
   
@@ -50702,14 +58341,14 @@ Typedef for the typical usage of timer. Uses a UTC clock.
   [
     [[link asio.reference.basic_deadline_timer.expires_at [*expires_at]]]
     [Get the timer's expiry time as an absolute time. 
-
+     [hr]
      Set the timer's expiry time as an absolute time. ]
   ]
   
   [
     [[link asio.reference.basic_deadline_timer.expires_from_now [*expires_from_now]]]
     [Get the timer's expiry time relative to now. 
-
+     [hr]
      Set the timer's expiry time relative to now. ]
   ]
   
@@ -50718,16 +58357,6 @@ Typedef for the typical usage of timer. Uses a UTC clock.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_deadline_timer.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_deadline_timer.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_deadline_timer.operator_eq_ [*operator=]]]
     [Move-assign a basic_deadline_timer from another. ]
@@ -50764,7 +58393,7 @@ Most applications will use the [link asio.reference.deadline_timer `deadline_tim
 Performing a blocking wait: 
 
    // Construct a timer without setting an expiry time.
-   asio::deadline_timer timer(io_context);
+   asio::deadline_timer timer(my_context);
 
    // Set an expiry time relative to now.
    timer.expires_from_now(boost::posix_time::seconds(5));
@@ -50789,7 +58418,7 @@ Performing an asynchronous wait:
    ...
 
    // Construct a timer with an absolute expiry time.
-   asio::deadline_timer timer(io_context,
+   asio::deadline_timer timer(my_context,
        boost::posix_time::time_from_string("2005-12-07 23:59:59.000"));
 
    // Start an asynchronous wait.
@@ -50855,7 +58484,6 @@ Changing the expiry time of a timer while there are pending asynchronous waits c
 [indexterm1 asio.indexterm.defer..defer] 
 Submits a completion token or function object for execution. 
 
-    
   template<
       typename CompletionToken>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.defer.overload1 defer]``(
@@ -50901,6 +58529,8 @@ Submits a completion token or function object for execution.
 
 This function submits an object for execution using the object's associated executor. The function object is queued for execution, and is never called from the current thread prior to returning from `defer()`.
 
+The use of `defer()`, rather than [link asio.reference.post `post`] , indicates the caller's preference that the executor defer the queueing of the function object. This may allow the executor to optimise queueing for cases when the function object represents a continuation of the current call context.
+
 This function has the following effects:
 
 
@@ -50945,6 +58575,8 @@ Submits a completion token or function object for execution.
 
 This function submits an object for execution using the specified executor. The function object is queued for execution, and is never called from the current thread prior to returning from `defer()`.
 
+The use of `defer()`, rather than [link asio.reference.post `post`] , indicates the caller's preference that the executor defer the queueing of the function object. This may allow the executor to optimise queueing for cases when the function object represents a continuation of the current call context.
+
 This function has the following effects:
 
 
@@ -51004,6 +58636,80 @@ Submits a completion token or function object for execution.
 [endsect]
 
 
+[endsect]
+
+
+[section:detached detached]
+
+[indexterm1 asio.indexterm.detached..detached] 
+A special value, similar to std::nothrow. 
+
+
+  constexpr detached_t detached;
+
+
+See the documentation for [link asio.reference.detached_t `detached_t`] for a usage example. 
+
+[heading Requirements]
+
+['Header: ][^asio/detached.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+[section:detached_t detached_t]
+
+
+Class used to specify that an asynchronous operation is detached. 
+
+
+  class detached_t
+
+
+[heading Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.detached_t.detached_t [*detached_t]]]
+    [Constructor. ]
+  ]
+  
+]
+
+The [link asio.reference.detached_t `detached_t`] class is used to indicate that an asynchronous operation is detached. That is, there is no completion handler waiting for the operation's result. A [link asio.reference.detached_t `detached_t`] object may be passed as a handler to an asynchronous operation, typically using the special value `asio::detached`. For example:
+
+
+
+   my_socket.async_send(my_buffer, asio::detached);
+
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/detached.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[section:detached_t detached_t::detached_t]
+
+[indexterm2 asio.indexterm.detached_t.detached_t..detached_t..detached_t] 
+Constructor. 
+
+
+  constexpr detached_t();
+
+
+
+[endsect]
+
+
+
 [endsect]
 
 [section:dispatch dispatch]
@@ -51011,7 +58717,6 @@ Submits a completion token or function object for execution.
 [indexterm1 asio.indexterm.dispatch..dispatch] 
 Submits a completion token or function object for execution. 
 
-    
   template<
       typename CompletionToken>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.dispatch.overload1 dispatch]``(
@@ -51055,7 +58760,7 @@ Submits a completion token or function object for execution.
       CompletionToken && token);
 
 
-This function submits an object for execution using the object's associated executor. The function object is queued for execution, and is never called from the current thread prior to returning from `dispatch()`.
+This function submits an object for execution using the object's associated executor. The function object may be called from the current thread prior to returning from `dispatch()`. Otherwise, it is queued for execution.
 
 This function has the following effects:
 
@@ -51099,7 +58804,7 @@ Submits a completion token or function object for execution.
       typename enable_if< is_executor< Executor >::value >::type *  = 0);
 
 
-This function submits an object for execution using the specified executor. The function object is queued for execution, and is never called from the current thread prior to returning from `dispatch()`.
+This function submits an object for execution using the specified executor. The function object may be called from the current thread prior to returning from `dispatch()`. Otherwise, it is queued for execution.
 
 This function has the following effects:
 
@@ -51167,7 +58872,9 @@ Submits a completion token or function object for execution.
 [indexterm1 asio.indexterm.dynamic_buffer..dynamic_buffer] 
 The `asio::dynamic_buffer` function is used to create a dynamically resized buffer from a `std::basic_string` or `std::vector`. 
 
-      
+
+Create a new dynamic buffer that represents the given string. 
+
   template<
       typename Elem,
       typename Traits,
@@ -51185,6 +58892,8 @@ The `asio::dynamic_buffer` function is used to create a dynamically resized buff
       std::size_t max_size);
   ``  [''''&raquo;''' [link asio.reference.dynamic_buffer.overload2 more...]]``
 
+Create a new dynamic buffer that represents the given vector. 
+
   template<
       typename Elem,
       typename Allocator>
@@ -51332,14 +59041,14 @@ Adapt a basic\_string to the DynamicBuffer requirements.
   [
 
     [[link asio.reference.dynamic_string_buffer.const_buffers_type [*const_buffers_type]]]
-    [The type used to represent the input sequence as a list of buffers. ]
+    [The type used to represent a sequence of constant buffers that refers to the underlying memory. ]
   
   ]
 
   [
 
     [[link asio.reference.dynamic_string_buffer.mutable_buffers_type [*mutable_buffers_type]]]
-    [The type used to represent the output sequence as a list of buffers. ]
+    [The type used to represent a sequence of mutable buffers that refers to the underlying memory. ]
   
   ]
 
@@ -51351,31 +59060,40 @@ Adapt a basic\_string to the DynamicBuffer requirements.
 
   [
     [[link asio.reference.dynamic_string_buffer.capacity [*capacity]]]
-    [Get the current capacity of the dynamic buffer. ]
+    [Get the maximum size that the buffer may grow to without triggering reallocation. ]
   ]
   
   [
     [[link asio.reference.dynamic_string_buffer.commit [*commit]]]
-    [Move bytes from the output sequence to the input sequence. ]
+    [DynamicBuffer_v1: Move bytes from the output sequence to the input sequence. ]
   ]
   
   [
     [[link asio.reference.dynamic_string_buffer.consume [*consume]]]
-    [Remove characters from the input sequence. ]
+    [DynamicBuffer_v1: Remove characters from the input sequence. DynamicBuffer_v2: Consume the specified number of bytes from the beginning of the underlying memory. ]
   ]
   
   [
     [[link asio.reference.dynamic_string_buffer.data [*data]]]
-    [Get a list of buffers that represents the input sequence. ]
+    [DynamicBuffer_v1: Get a list of buffers that represents the input sequence. 
+     [hr]
+     DynamicBuffer_v2: Get a sequence of buffers that represents the underlying memory. ]
   ]
   
   [
     [[link asio.reference.dynamic_string_buffer.dynamic_string_buffer [*dynamic_string_buffer]]]
     [Construct a dynamic buffer from a string. 
-
+     [hr]
+     DynamicBuffer_v2: Copy construct a dynamic buffer. 
+     [hr]
      Move construct a dynamic buffer. ]
   ]
   
+  [
+    [[link asio.reference.dynamic_string_buffer.grow [*grow]]]
+    [DynamicBuffer_v2: Grow the underlying memory by the specified number of bytes. ]
+  ]
+  
   [
     [[link asio.reference.dynamic_string_buffer.max_size [*max_size]]]
     [Get the maximum size of the dynamic buffer. ]
@@ -51383,12 +59101,17 @@ Adapt a basic\_string to the DynamicBuffer requirements.
   
   [
     [[link asio.reference.dynamic_string_buffer.prepare [*prepare]]]
-    [Get a list of buffers that represents the output sequence, with the given size. ]
+    [DynamicBuffer_v1: Get a list of buffers that represents the output sequence, with the given size. ]
+  ]
+  
+  [
+    [[link asio.reference.dynamic_string_buffer.shrink [*shrink]]]
+    [DynamicBuffer_v2: Shrink the underlying memory by the specified number of bytes. ]
   ]
   
   [
     [[link asio.reference.dynamic_string_buffer.size [*size]]]
-    [Get the size of the input sequence. ]
+    [DynamicBuffer_v1: Get the size of the input sequence. DynamicBuffer_v2: Get the current size of the underlying memory. ]
   ]
   
 ]
@@ -51405,7 +59128,7 @@ Requires that `sizeof(Elem) == 1`.
 [section:capacity dynamic_string_buffer::capacity]
 
 [indexterm2 asio.indexterm.dynamic_string_buffer.capacity..capacity..dynamic_string_buffer] 
-Get the current capacity of the dynamic buffer. 
+Get the maximum size that the buffer may grow to without triggering reallocation. 
 
 
   std::size_t capacity() const;
@@ -51414,7 +59137,7 @@ Get the current capacity of the dynamic buffer.
 
 [heading Return Value]
       
-The current total capacity of the buffer, i.e. for both the input sequence and output sequence. 
+The current capacity of the underlying string if less than `max_size()`. Otherwise returns `max_size()`. 
 
 
 
@@ -51426,7 +59149,7 @@ The current total capacity of the buffer, i.e. for both the input sequence and o
 [section:commit dynamic_string_buffer::commit]
 
 [indexterm2 asio.indexterm.dynamic_string_buffer.commit..commit..dynamic_string_buffer] 
-Move bytes from the output sequence to the input sequence. 
+[*DynamicBuffer\_v1:] Move bytes from the output sequence to the input sequence. 
 
 
   void commit(
@@ -51460,7 +59183,7 @@ If `n` is greater than the size of the output sequence, the entire output sequen
 [section:const_buffers_type dynamic_string_buffer::const_buffers_type]
 
 [indexterm2 asio.indexterm.dynamic_string_buffer.const_buffers_type..const_buffers_type..dynamic_string_buffer] 
-The type used to represent the input sequence as a list of buffers. 
+The type used to represent a sequence of constant buffers that refers to the underlying memory. 
 
 
   typedef const_buffer const_buffers_type;
@@ -51473,9 +59196,9 @@ The type used to represent the input sequence as a list of buffers.
   [
     [[link asio.reference.const_buffer.const_buffer [*const_buffer]]]
     [Construct an empty buffer. 
-
+     [hr]
      Construct a buffer to represent a given memory range. 
-
+     [hr]
      Construct a non-modifiable buffer from a modifiable one. ]
   ]
   
@@ -51542,31 +59265,52 @@ The `data()` member function permits violations of type safety, so uses of it in
 [section:consume dynamic_string_buffer::consume]
 
 [indexterm2 asio.indexterm.dynamic_string_buffer.consume..consume..dynamic_string_buffer] 
-Remove characters from the input sequence. 
+[*DynamicBuffer\_v1:] Remove characters from the input sequence. [*DynamicBuffer\_v2:] Consume the specified number of bytes from the beginning of the underlying memory. 
 
 
   void consume(
       std::size_t n);
 
 
-Removes `n` characters from the beginning of the input sequence.
-
-
+[*DynamicBuffer\_v1:] Removes `n` characters from the beginning of the input sequence.
 [heading Remarks]
       
-If `n` is greater than the size of the input sequence, the entire input sequence is consumed and no error is issued. 
-
+If `n` is greater than the size of the input sequence, the entire input sequence is consumed and no error is issued.
 
+[*DynamicBuffer\_v2:] Erases `n` bytes from the beginning of the string. If `n` is greater than the current size of the string, the string is emptied. 
 
 
 [endsect]
 
 
-
 [section:data dynamic_string_buffer::data]
 
 [indexterm2 asio.indexterm.dynamic_string_buffer.data..data..dynamic_string_buffer] 
-Get a list of buffers that represents the input sequence. 
+[*DynamicBuffer\_v1:] Get a list of buffers that represents the input sequence. 
+
+
+  const_buffers_type ``[link asio.reference.dynamic_string_buffer.data.overload1 data]``() const;
+  ``  [''''&raquo;''' [link asio.reference.dynamic_string_buffer.data.overload1 more...]]``
+
+
+[*DynamicBuffer\_v2:] Get a sequence of buffers that represents the underlying memory. 
+
+
+  mutable_buffers_type ``[link asio.reference.dynamic_string_buffer.data.overload2 data]``(
+      std::size_t pos,
+      std::size_t n);
+  ``  [''''&raquo;''' [link asio.reference.dynamic_string_buffer.data.overload2 more...]]``
+
+  const_buffers_type ``[link asio.reference.dynamic_string_buffer.data.overload3 data]``(
+      std::size_t pos,
+      std::size_t n) const;
+  ``  [''''&raquo;''' [link asio.reference.dynamic_string_buffer.data.overload3 more...]]``
+
+
+[section:overload1 dynamic_string_buffer::data (1 of 3 overloads)]
+
+
+[*DynamicBuffer\_v1:] Get a list of buffers that represents the input sequence. 
 
 
   const_buffers_type data() const;
@@ -51575,12 +59319,12 @@ Get a list of buffers that represents the input sequence.
 
 [heading Return Value]
       
-An object of type `const_buffers_type` that satisfies ConstBufferSequence requirements, representing the basic\_string memory in input sequence.
+An object of type `const_buffers_type` that satisfies ConstBufferSequence requirements, representing the basic\_string memory in the input sequence.
 
 
 [heading Remarks]
       
-The returned object is invalidated by any `dynamic_string_buffer` or `basic_string` member function that modifies the input sequence or output sequence. 
+The returned object is invalidated by any `dynamic_string_buffer` or `basic_string` member function that resizes or erases the string. 
 
 
 
@@ -51588,6 +59332,83 @@ The returned object is invalidated by any `dynamic_string_buffer` or `basic_stri
 [endsect]
 
 
+
+[section:overload2 dynamic_string_buffer::data (2 of 3 overloads)]
+
+
+[*DynamicBuffer\_v2:] Get a sequence of buffers that represents the underlying memory. 
+
+
+  mutable_buffers_type data(
+      std::size_t pos,
+      std::size_t n);
+
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[pos][Position of the first byte to represent in the buffer sequence]]
+
+[[n][The number of bytes to return in the buffer sequence. If the underlying memory is shorter, the buffer sequence represents as many bytes as are available.]]
+
+]
+
+
+[heading Return Value]
+      
+An object of type `mutable_buffers_type` that satisfies MutableBufferSequence requirements, representing the basic\_string memory.
+
+
+[heading Remarks]
+      
+The returned object is invalidated by any `dynamic_string_buffer` or `basic_string` member function that resizes or erases the string. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload3 dynamic_string_buffer::data (3 of 3 overloads)]
+
+
+[*DynamicBuffer\_v2:] Get a sequence of buffers that represents the underlying memory. 
+
+
+  const_buffers_type data(
+      std::size_t pos,
+      std::size_t n) const;
+
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[pos][Position of the first byte to represent in the buffer sequence]]
+
+[[n][The number of bytes to return in the buffer sequence. If the underlying memory is shorter, the buffer sequence represents as many bytes as are available.]]
+
+]
+
+
+[heading Remarks]
+      
+The returned object is invalidated by any `dynamic_string_buffer` or `basic_string` member function that resizes or erases the string. 
+
+
+
+
+[endsect]
+
+
+[endsect]
+
 [section:dynamic_string_buffer dynamic_string_buffer::dynamic_string_buffer]
 
 [indexterm2 asio.indexterm.dynamic_string_buffer.dynamic_string_buffer..dynamic_string_buffer..dynamic_string_buffer] 
@@ -51600,15 +59421,23 @@ Construct a dynamic buffer from a string.
   ``  [''''&raquo;''' [link asio.reference.dynamic_string_buffer.dynamic_string_buffer.overload1 more...]]``
 
 
-Move construct a dynamic buffer. 
+[*DynamicBuffer\_v2:] Copy construct a dynamic buffer. 
 
 
   ``[link asio.reference.dynamic_string_buffer.dynamic_string_buffer.overload2 dynamic_string_buffer]``(
-      dynamic_string_buffer && other);
+      const dynamic_string_buffer & other);
   ``  [''''&raquo;''' [link asio.reference.dynamic_string_buffer.dynamic_string_buffer.overload2 more...]]``
 
 
-[section:overload1 dynamic_string_buffer::dynamic_string_buffer (1 of 2 overloads)]
+Move construct a dynamic buffer. 
+
+
+  ``[link asio.reference.dynamic_string_buffer.dynamic_string_buffer.overload3 dynamic_string_buffer]``(
+      dynamic_string_buffer && other);
+  ``  [''''&raquo;''' [link asio.reference.dynamic_string_buffer.dynamic_string_buffer.overload3 more...]]``
+
+
+[section:overload1 dynamic_string_buffer::dynamic_string_buffer (1 of 3 overloads)]
 
 
 Construct a dynamic buffer from a string. 
@@ -51625,8 +59454,18 @@ Construct a dynamic buffer from a string.
 
 [variablelist
   
-[[s][The string to be used as backing storage for the dynamic buffer. Any existing data in the string is treated as the dynamic buffer's input sequence. The object stores a reference to the string and the user is responsible for ensuring that the string object remains valid until the [link asio.reference.dynamic_string_buffer `dynamic_string_buffer`] object is destroyed.]]
+[[s][The string to be used as backing storage for the dynamic buffer. The object stores a reference to the string and the user is responsible for ensuring that the string object remains valid while the [link asio.reference.dynamic_string_buffer `dynamic_string_buffer`] object, and copies of the object, are in use.]]
 
+]
+
+[*DynamicBuffer\_v1:] Any existing data in the string is treated as the dynamic buffer's input sequence.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
 [[maximum_size][Specifies a maximum size for the buffer, in bytes. ]]
 
 ]
@@ -51638,7 +59477,22 @@ Construct a dynamic buffer from a string.
 
 
 
-[section:overload2 dynamic_string_buffer::dynamic_string_buffer (2 of 2 overloads)]
+[section:overload2 dynamic_string_buffer::dynamic_string_buffer (2 of 3 overloads)]
+
+
+[*DynamicBuffer\_v2:] Copy construct a dynamic buffer. 
+
+
+  dynamic_string_buffer(
+      const dynamic_string_buffer & other);
+
+
+
+[endsect]
+
+
+
+[section:overload3 dynamic_string_buffer::dynamic_string_buffer (3 of 3 overloads)]
 
 
 Move construct a dynamic buffer. 
@@ -51655,6 +59509,35 @@ Move construct a dynamic buffer.
 [endsect]
 
 
+[section:grow dynamic_string_buffer::grow]
+
+[indexterm2 asio.indexterm.dynamic_string_buffer.grow..grow..dynamic_string_buffer] 
+[*DynamicBuffer\_v2:] Grow the underlying memory by the specified number of bytes. 
+
+
+  void grow(
+      std::size_t n);
+
+
+Resizes the string to accommodate an additional `n` bytes at the end.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[std::length_error][If `size() + n > max_size()`. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
 [section:max_size dynamic_string_buffer::max_size]
 
 [indexterm2 asio.indexterm.dynamic_string_buffer.max_size..max_size..dynamic_string_buffer] 
@@ -51667,7 +59550,7 @@ Get the maximum size of the dynamic buffer.
 
 [heading Return Value]
       
-The allowed maximum of the sum of the sizes of the input sequence and output sequence. 
+The allowed maximum size of the underlying memory. 
 
 
 
@@ -51679,7 +59562,7 @@ The allowed maximum of the sum of the sizes of the input sequence and output seq
 [section:mutable_buffers_type dynamic_string_buffer::mutable_buffers_type]
 
 [indexterm2 asio.indexterm.dynamic_string_buffer.mutable_buffers_type..mutable_buffers_type..dynamic_string_buffer] 
-The type used to represent the output sequence as a list of buffers. 
+The type used to represent a sequence of mutable buffers that refers to the underlying memory. 
 
 
   typedef mutable_buffer mutable_buffers_type;
@@ -51697,7 +59580,7 @@ The type used to represent the output sequence as a list of buffers.
   [
     [[link asio.reference.mutable_buffer.mutable_buffer [*mutable_buffer]]]
     [Construct an empty buffer. 
-
+     [hr]
      Construct a buffer to represent a given memory range. ]
   ]
   
@@ -51759,7 +59642,7 @@ The `data()` member function permits violations of type safety, so uses of it in
 [section:prepare dynamic_string_buffer::prepare]
 
 [indexterm2 asio.indexterm.dynamic_string_buffer.prepare..prepare..dynamic_string_buffer] 
-Get a list of buffers that represents the output sequence, with the given size. 
+[*DynamicBuffer\_v1:] Get a list of buffers that represents the output sequence, with the given size. 
 
 
   mutable_buffers_type prepare(
@@ -51795,16 +59678,40 @@ The returned object is invalidated by any `dynamic_string_buffer` or `basic_stri
 
 
 
+[section:shrink dynamic_string_buffer::shrink]
+
+[indexterm2 asio.indexterm.dynamic_string_buffer.shrink..shrink..dynamic_string_buffer] 
+[*DynamicBuffer\_v2:] Shrink the underlying memory by the specified number of bytes. 
+
+
+  void shrink(
+      std::size_t n);
+
+
+Erases `n` bytes from the end of the string by resizing the basic\_string object. If `n` is greater than the current size of the string, the string is emptied. 
+
+
+[endsect]
+
+
+
 [section:size dynamic_string_buffer::size]
 
 [indexterm2 asio.indexterm.dynamic_string_buffer.size..size..dynamic_string_buffer] 
-Get the size of the input sequence. 
+[*DynamicBuffer\_v1:] Get the size of the input sequence. [*DynamicBuffer\_v2:] Get the current size of the underlying memory. 
 
 
   std::size_t size() const;
 
 
 
+[heading Return Value]
+      
+[*DynamicBuffer\_v1] The current size of the input sequence. [*DynamicBuffer\_v2:] The current size of the underlying string if less than `max_size()`. Otherwise returns `max_size()`. 
+
+
+
+
 [endsect]
 
 
@@ -51830,14 +59737,14 @@ Adapt a vector to the DynamicBuffer requirements.
   [
 
     [[link asio.reference.dynamic_vector_buffer.const_buffers_type [*const_buffers_type]]]
-    [The type used to represent the input sequence as a list of buffers. ]
+    [The type used to represent a sequence of constant buffers that refers to the underlying memory. ]
   
   ]
 
   [
 
     [[link asio.reference.dynamic_vector_buffer.mutable_buffers_type [*mutable_buffers_type]]]
-    [The type used to represent the output sequence as a list of buffers. ]
+    [The type used to represent a sequence of mutable buffers that refers to the underlying memory. ]
   
   ]
 
@@ -51849,31 +59756,40 @@ Adapt a vector to the DynamicBuffer requirements.
 
   [
     [[link asio.reference.dynamic_vector_buffer.capacity [*capacity]]]
-    [Get the current capacity of the dynamic buffer. ]
+    [Get the maximum size that the buffer may grow to without triggering reallocation. ]
   ]
   
   [
     [[link asio.reference.dynamic_vector_buffer.commit [*commit]]]
-    [Move bytes from the output sequence to the input sequence. ]
+    [DynamicBuffer_v1: Move bytes from the output sequence to the input sequence. ]
   ]
   
   [
     [[link asio.reference.dynamic_vector_buffer.consume [*consume]]]
-    [Remove characters from the input sequence. ]
+    [DynamicBuffer_v1: Remove characters from the input sequence. DynamicBuffer_v2: Consume the specified number of bytes from the beginning of the underlying memory. ]
   ]
   
   [
     [[link asio.reference.dynamic_vector_buffer.data [*data]]]
-    [Get a list of buffers that represents the input sequence. ]
+    [DynamicBuffer_v1: Get a list of buffers that represents the input sequence. 
+     [hr]
+     DynamicBuffer_v2: Get a sequence of buffers that represents the underlying memory. ]
   ]
   
   [
     [[link asio.reference.dynamic_vector_buffer.dynamic_vector_buffer [*dynamic_vector_buffer]]]
-    [Construct a dynamic buffer from a string. 
-
+    [Construct a dynamic buffer from a vector. 
+     [hr]
+     DynamicBuffer_v2: Copy construct a dynamic buffer. 
+     [hr]
      Move construct a dynamic buffer. ]
   ]
   
+  [
+    [[link asio.reference.dynamic_vector_buffer.grow [*grow]]]
+    [DynamicBuffer_v2: Grow the underlying memory by the specified number of bytes. ]
+  ]
+  
   [
     [[link asio.reference.dynamic_vector_buffer.max_size [*max_size]]]
     [Get the maximum size of the dynamic buffer. ]
@@ -51881,12 +59797,17 @@ Adapt a vector to the DynamicBuffer requirements.
   
   [
     [[link asio.reference.dynamic_vector_buffer.prepare [*prepare]]]
-    [Get a list of buffers that represents the output sequence, with the given size. ]
+    [DynamicBuffer_v1: Get a list of buffers that represents the output sequence, with the given size. ]
+  ]
+  
+  [
+    [[link asio.reference.dynamic_vector_buffer.shrink [*shrink]]]
+    [DynamicBuffer_v2: Shrink the underlying memory by the specified number of bytes. ]
   ]
   
   [
     [[link asio.reference.dynamic_vector_buffer.size [*size]]]
-    [Get the size of the input sequence. ]
+    [DynamicBuffer_v1: Get the size of the input sequence. DynamicBuffer_v2: Get the current size of the underlying memory. ]
   ]
   
 ]
@@ -51903,7 +59824,7 @@ Requires that `sizeof(Elem) == 1`.
 [section:capacity dynamic_vector_buffer::capacity]
 
 [indexterm2 asio.indexterm.dynamic_vector_buffer.capacity..capacity..dynamic_vector_buffer] 
-Get the current capacity of the dynamic buffer. 
+Get the maximum size that the buffer may grow to without triggering reallocation. 
 
 
   std::size_t capacity() const;
@@ -51912,7 +59833,7 @@ Get the current capacity of the dynamic buffer.
 
 [heading Return Value]
       
-The current total capacity of the buffer, i.e. for both the input sequence and output sequence. 
+[*DynamicBuffer\_v1:] The current total capacity of the buffer, i.e. for both the input sequence and output sequence. [*DynamicBuffer\_v2:] The current capacity of the underlying vector if less than `max_size()`. Otherwise returns `max_size()`. 
 
 
 
@@ -51924,7 +59845,7 @@ The current total capacity of the buffer, i.e. for both the input sequence and o
 [section:commit dynamic_vector_buffer::commit]
 
 [indexterm2 asio.indexterm.dynamic_vector_buffer.commit..commit..dynamic_vector_buffer] 
-Move bytes from the output sequence to the input sequence. 
+[*DynamicBuffer\_v1:] Move bytes from the output sequence to the input sequence. 
 
 
   void commit(
@@ -51958,7 +59879,7 @@ If `n` is greater than the size of the output sequence, the entire output sequen
 [section:const_buffers_type dynamic_vector_buffer::const_buffers_type]
 
 [indexterm2 asio.indexterm.dynamic_vector_buffer.const_buffers_type..const_buffers_type..dynamic_vector_buffer] 
-The type used to represent the input sequence as a list of buffers. 
+The type used to represent a sequence of constant buffers that refers to the underlying memory. 
 
 
   typedef const_buffer const_buffers_type;
@@ -51971,9 +59892,9 @@ The type used to represent the input sequence as a list of buffers.
   [
     [[link asio.reference.const_buffer.const_buffer [*const_buffer]]]
     [Construct an empty buffer. 
-
+     [hr]
      Construct a buffer to represent a given memory range. 
-
+     [hr]
      Construct a non-modifiable buffer from a modifiable one. ]
   ]
   
@@ -52040,31 +59961,52 @@ The `data()` member function permits violations of type safety, so uses of it in
 [section:consume dynamic_vector_buffer::consume]
 
 [indexterm2 asio.indexterm.dynamic_vector_buffer.consume..consume..dynamic_vector_buffer] 
-Remove characters from the input sequence. 
+[*DynamicBuffer\_v1:] Remove characters from the input sequence. [*DynamicBuffer\_v2:] Consume the specified number of bytes from the beginning of the underlying memory. 
 
 
   void consume(
       std::size_t n);
 
 
-Removes `n` characters from the beginning of the input sequence.
-
-
+[*DynamicBuffer\_v1:] Removes `n` characters from the beginning of the input sequence.
 [heading Remarks]
       
-If `n` is greater than the size of the input sequence, the entire input sequence is consumed and no error is issued. 
-
+If `n` is greater than the size of the input sequence, the entire input sequence is consumed and no error is issued.
 
+[*DynamicBuffer\_v2:] Erases `n` bytes from the beginning of the vector. If `n` is greater than the current size of the vector, the vector is emptied. 
 
 
 [endsect]
 
 
-
 [section:data dynamic_vector_buffer::data]
 
 [indexterm2 asio.indexterm.dynamic_vector_buffer.data..data..dynamic_vector_buffer] 
-Get a list of buffers that represents the input sequence. 
+[*DynamicBuffer\_v1:] Get a list of buffers that represents the input sequence. 
+
+
+  const_buffers_type ``[link asio.reference.dynamic_vector_buffer.data.overload1 data]``() const;
+  ``  [''''&raquo;''' [link asio.reference.dynamic_vector_buffer.data.overload1 more...]]``
+
+
+[*DynamicBuffer\_v2:] Get a sequence of buffers that represents the underlying memory. 
+
+
+  mutable_buffers_type ``[link asio.reference.dynamic_vector_buffer.data.overload2 data]``(
+      std::size_t pos,
+      std::size_t n);
+  ``  [''''&raquo;''' [link asio.reference.dynamic_vector_buffer.data.overload2 more...]]``
+
+  const_buffers_type ``[link asio.reference.dynamic_vector_buffer.data.overload3 data]``(
+      std::size_t pos,
+      std::size_t n) const;
+  ``  [''''&raquo;''' [link asio.reference.dynamic_vector_buffer.data.overload3 more...]]``
+
+
+[section:overload1 dynamic_vector_buffer::data (1 of 3 overloads)]
+
+
+[*DynamicBuffer\_v1:] Get a list of buffers that represents the input sequence. 
 
 
   const_buffers_type data() const;
@@ -52073,12 +60015,12 @@ Get a list of buffers that represents the input sequence.
 
 [heading Return Value]
       
-An object of type `const_buffers_type` that satisfies ConstBufferSequence requirements, representing the basic\_string memory in input sequence.
+An object of type `const_buffers_type` that satisfies ConstBufferSequence requirements, representing the vector memory in the input sequence.
 
 
 [heading Remarks]
       
-The returned object is invalidated by any `dynamic_vector_buffer` or `basic_string` member function that modifies the input sequence or output sequence. 
+The returned object is invalidated by any `dynamic_vector_buffer` or `vector` member function that modifies the input sequence or output sequence. 
 
 
 
@@ -52086,10 +60028,87 @@ The returned object is invalidated by any `dynamic_vector_buffer` or `basic_stri
 [endsect]
 
 
+
+[section:overload2 dynamic_vector_buffer::data (2 of 3 overloads)]
+
+
+[*DynamicBuffer\_v2:] Get a sequence of buffers that represents the underlying memory. 
+
+
+  mutable_buffers_type data(
+      std::size_t pos,
+      std::size_t n);
+
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[pos][Position of the first byte to represent in the buffer sequence]]
+
+[[n][The number of bytes to return in the buffer sequence. If the underlying memory is shorter, the buffer sequence represents as many bytes as are available.]]
+
+]
+
+
+[heading Return Value]
+      
+An object of type `mutable_buffers_type` that satisfies MutableBufferSequence requirements, representing the vector memory.
+
+
+[heading Remarks]
+      
+The returned object is invalidated by any `dynamic_vector_buffer` or `vector` member function that resizes or erases the vector. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload3 dynamic_vector_buffer::data (3 of 3 overloads)]
+
+
+[*DynamicBuffer\_v2:] Get a sequence of buffers that represents the underlying memory. 
+
+
+  const_buffers_type data(
+      std::size_t pos,
+      std::size_t n) const;
+
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[pos][Position of the first byte to represent in the buffer sequence]]
+
+[[n][The number of bytes to return in the buffer sequence. If the underlying memory is shorter, the buffer sequence represents as many bytes as are available.]]
+
+]
+
+
+[heading Remarks]
+      
+The returned object is invalidated by any `dynamic_vector_buffer` or `vector` member function that resizes or erases the vector. 
+
+
+
+
+[endsect]
+
+
+[endsect]
+
 [section:dynamic_vector_buffer dynamic_vector_buffer::dynamic_vector_buffer]
 
 [indexterm2 asio.indexterm.dynamic_vector_buffer.dynamic_vector_buffer..dynamic_vector_buffer..dynamic_vector_buffer] 
-Construct a dynamic buffer from a string. 
+Construct a dynamic buffer from a vector. 
 
 
   explicit ``[link asio.reference.dynamic_vector_buffer.dynamic_vector_buffer.overload1 dynamic_vector_buffer]``(
@@ -52098,18 +60117,26 @@ Construct a dynamic buffer from a string.
   ``  [''''&raquo;''' [link asio.reference.dynamic_vector_buffer.dynamic_vector_buffer.overload1 more...]]``
 
 
-Move construct a dynamic buffer. 
+[*DynamicBuffer\_v2:] Copy construct a dynamic buffer. 
 
 
   ``[link asio.reference.dynamic_vector_buffer.dynamic_vector_buffer.overload2 dynamic_vector_buffer]``(
-      dynamic_vector_buffer && other);
+      const dynamic_vector_buffer & other);
   ``  [''''&raquo;''' [link asio.reference.dynamic_vector_buffer.dynamic_vector_buffer.overload2 more...]]``
 
 
-[section:overload1 dynamic_vector_buffer::dynamic_vector_buffer (1 of 2 overloads)]
+Move construct a dynamic buffer. 
 
 
-Construct a dynamic buffer from a string. 
+  ``[link asio.reference.dynamic_vector_buffer.dynamic_vector_buffer.overload3 dynamic_vector_buffer]``(
+      dynamic_vector_buffer && other);
+  ``  [''''&raquo;''' [link asio.reference.dynamic_vector_buffer.dynamic_vector_buffer.overload3 more...]]``
+
+
+[section:overload1 dynamic_vector_buffer::dynamic_vector_buffer (1 of 3 overloads)]
+
+
+Construct a dynamic buffer from a vector. 
 
 
   dynamic_vector_buffer(
@@ -52123,7 +60150,7 @@ Construct a dynamic buffer from a string.
 
 [variablelist
   
-[[v][The vector to be used as backing storage for the dynamic buffer. Any existing data in the vector is treated as the dynamic buffer's input sequence. The object stores a reference to the vector and the user is responsible for ensuring that the vector object remains valid until the [link asio.reference.dynamic_vector_buffer `dynamic_vector_buffer`] object is destroyed.]]
+[[v][The vector to be used as backing storage for the dynamic buffer. The object stores a reference to the vector and the user is responsible for ensuring that the vector object remains valid while the [link asio.reference.dynamic_vector_buffer `dynamic_vector_buffer`] object, and copies of the object, are in use.]]
 
 [[maximum_size][Specifies a maximum size for the buffer, in bytes. ]]
 
@@ -52136,7 +60163,22 @@ Construct a dynamic buffer from a string.
 
 
 
-[section:overload2 dynamic_vector_buffer::dynamic_vector_buffer (2 of 2 overloads)]
+[section:overload2 dynamic_vector_buffer::dynamic_vector_buffer (2 of 3 overloads)]
+
+
+[*DynamicBuffer\_v2:] Copy construct a dynamic buffer. 
+
+
+  dynamic_vector_buffer(
+      const dynamic_vector_buffer & other);
+
+
+
+[endsect]
+
+
+
+[section:overload3 dynamic_vector_buffer::dynamic_vector_buffer (3 of 3 overloads)]
 
 
 Move construct a dynamic buffer. 
@@ -52153,6 +60195,35 @@ Move construct a dynamic buffer.
 [endsect]
 
 
+[section:grow dynamic_vector_buffer::grow]
+
+[indexterm2 asio.indexterm.dynamic_vector_buffer.grow..grow..dynamic_vector_buffer] 
+[*DynamicBuffer\_v2:] Grow the underlying memory by the specified number of bytes. 
+
+
+  void grow(
+      std::size_t n);
+
+
+Resizes the vector to accommodate an additional `n` bytes at the end.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[std::length_error][If `size() + n > max_size()`. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
 [section:max_size dynamic_vector_buffer::max_size]
 
 [indexterm2 asio.indexterm.dynamic_vector_buffer.max_size..max_size..dynamic_vector_buffer] 
@@ -52165,7 +60236,7 @@ Get the maximum size of the dynamic buffer.
 
 [heading Return Value]
       
-The allowed maximum of the sum of the sizes of the input sequence and output sequence. 
+[*DynamicBuffer\_v1:] The allowed maximum of the sum of the sizes of the input sequence and output sequence. [*DynamicBuffer\_v2:] The allowed maximum size of the underlying memory. 
 
 
 
@@ -52177,7 +60248,7 @@ The allowed maximum of the sum of the sizes of the input sequence and output seq
 [section:mutable_buffers_type dynamic_vector_buffer::mutable_buffers_type]
 
 [indexterm2 asio.indexterm.dynamic_vector_buffer.mutable_buffers_type..mutable_buffers_type..dynamic_vector_buffer] 
-The type used to represent the output sequence as a list of buffers. 
+The type used to represent a sequence of mutable buffers that refers to the underlying memory. 
 
 
   typedef mutable_buffer mutable_buffers_type;
@@ -52195,7 +60266,7 @@ The type used to represent the output sequence as a list of buffers.
   [
     [[link asio.reference.mutable_buffer.mutable_buffer [*mutable_buffer]]]
     [Construct an empty buffer. 
-
+     [hr]
      Construct a buffer to represent a given memory range. ]
   ]
   
@@ -52257,19 +60328,19 @@ The `data()` member function permits violations of type safety, so uses of it in
 [section:prepare dynamic_vector_buffer::prepare]
 
 [indexterm2 asio.indexterm.dynamic_vector_buffer.prepare..prepare..dynamic_vector_buffer] 
-Get a list of buffers that represents the output sequence, with the given size. 
+[*DynamicBuffer\_v1:] Get a list of buffers that represents the output sequence, with the given size. 
 
 
   mutable_buffers_type prepare(
       std::size_t n);
 
 
-Ensures that the output sequence can accommodate `n` bytes, resizing the basic\_string object as necessary.
+Ensures that the output sequence can accommodate `n` bytes, resizing the vector object as necessary.
 
 
 [heading Return Value]
       
-An object of type `mutable_buffers_type` that satisfies MutableBufferSequence requirements, representing basic\_string memory at the start of the output sequence of size `n`.
+An object of type `mutable_buffers_type` that satisfies MutableBufferSequence requirements, representing vector memory at the start of the output sequence of size `n`.
 
 
 [heading Exceptions]
@@ -52284,7 +60355,7 @@ An object of type `mutable_buffers_type` that satisfies MutableBufferSequence re
 
 [heading Remarks]
       
-The returned object is invalidated by any `dynamic_vector_buffer` or `basic_string` member function that modifies the input sequence or output sequence. 
+The returned object is invalidated by any `dynamic_vector_buffer` or `vector` member function that modifies the input sequence or output sequence. 
 
 
 
@@ -52293,16 +60364,40 @@ The returned object is invalidated by any `dynamic_vector_buffer` or `basic_stri
 
 
 
+[section:shrink dynamic_vector_buffer::shrink]
+
+[indexterm2 asio.indexterm.dynamic_vector_buffer.shrink..shrink..dynamic_vector_buffer] 
+[*DynamicBuffer\_v2:] Shrink the underlying memory by the specified number of bytes. 
+
+
+  void shrink(
+      std::size_t n);
+
+
+Erases `n` bytes from the end of the vector by resizing the vector object. If `n` is greater than the current size of the vector, the vector is emptied. 
+
+
+[endsect]
+
+
+
 [section:size dynamic_vector_buffer::size]
 
 [indexterm2 asio.indexterm.dynamic_vector_buffer.size..size..dynamic_vector_buffer] 
-Get the size of the input sequence. 
+[*DynamicBuffer\_v1:] Get the size of the input sequence. [*DynamicBuffer\_v2:] Get the current size of the underlying memory. 
 
 
   std::size_t size() const;
 
 
 
+[heading Return Value]
+      
+[*DynamicBuffer\_v1] The current size of the input sequence. [*DynamicBuffer\_v2:] The current size of the underlying vector if less than `max_size()`. Otherwise returns `max_size()`. 
+
+
+
+
 [endsect]
 
 
@@ -52684,7 +60779,6 @@ Get the size of the input sequence.
 [section:error__make_error_code error::make_error_code]
 
 [indexterm1 asio.indexterm.error__make_error_code..error::make_error_code] 
-    
   asio::error_code ``[link asio.reference.error__make_error_code.overload1 make_error_code]``(
       basic_errors e);
   ``  [''''&raquo;''' [link asio.reference.error__make_error_code.overload1 more...]]``
@@ -53138,9 +61232,9 @@ Class to represent an error code value.
   [
     [[link asio.reference.error_code.error_code [*error_code]]]
     [Default constructor. 
-
+     [hr]
      Construct with specific error code and category. 
-
+     [hr]
      Construct from an error code enum. ]
   ]
   
@@ -53506,11 +61600,21 @@ A context for function object execution.
 [table
   [[Name][Description]]
 
+  [
+    [[link asio.reference.execution_context.execution_context [*execution_context]]]
+    [Constructor. ]
+  ]
+  
   [
     [[link asio.reference.execution_context.notify_fork [*notify_fork]]]
     [Notify the execution_context of a fork-related event. ]
   ]
   
+  [
+    [[link asio.reference.execution_context._execution_context [*~execution_context]]]
+    [Destructor. ]
+  ]
+  
 ]
 
 [heading Protected Member Functions]
@@ -53522,21 +61626,11 @@ A context for function object execution.
     [Destroys all services in the context. ]
   ]
   
-  [
-    [[link asio.reference.execution_context.execution_context [*execution_context]]]
-    [Constructor. ]
-  ]
-  
   [
     [[link asio.reference.execution_context.shutdown [*shutdown]]]
     [Shuts down all services in the context. ]
   ]
   
-  [
-    [[link asio.reference.execution_context._execution_context [*~execution_context]]]
-    [Destructor. ]
-  ]
-  
 ]
 
 [heading Friends]
@@ -54289,15 +62383,15 @@ Polymorphic wrapper for executors.
   [
     [[link asio.reference.executor.executor [*executor]]]
     [Default constructor. 
-
+     [hr]
      Construct from nullptr. 
-
+     [hr]
      Copy constructor. 
-
+     [hr]
      Move constructor. 
-
+     [hr]
      Construct a polymorphic wrapper for the specified executor. 
-
+     [hr]
      Allocator-aware constructor to create a polymorphic wrapper for the specified executor. ]
   ]
   
@@ -54319,11 +62413,11 @@ Polymorphic wrapper for executors.
   [
     [[link asio.reference.executor.operator_eq_ [*operator=]]]
     [Assignment operator. 
-
+     [hr]
      
-
+     [hr]
      Assignment operator for nullptr_t. 
-
+     [hr]
      Assignment operator to create a polymorphic wrapper for the specified executor. ]
   ]
   
@@ -55127,21 +63221,21 @@ A call wrapper type to bind an executor of type `Executor` to an object of type
   [
     [[link asio.reference.executor_binder.executor_binder [*executor_binder]]]
     [Construct an executor wrapper for the specified object. 
-
+     [hr]
      Copy constructor. 
-
+     [hr]
      Construct a copy, but specify a different executor. 
-
+     [hr]
      Construct a copy of a different executor wrapper type. 
-
+     [hr]
      Construct a copy of a different executor wrapper type, but specify a different executor. 
-
+     [hr]
      Move constructor. 
-
+     [hr]
      Move construct the target object, but specify a different executor. 
-
+     [hr]
      Move construct from a different executor wrapper type. 
-
+     [hr]
      Move construct from a different executor wrapper type, but specify a different executor. ]
   ]
   
@@ -55768,9 +63862,9 @@ An object of type `executor_work_guard` controls ownership of executor work with
   [
     [[link asio.reference.executor_work_guard.executor_work_guard [*executor_work_guard]]]
     [Constructs a executor_work_guard object for the specified executor. 
-
+     [hr]
      Copy constructor. 
-
+     [hr]
      Move constructor. ]
   ]
   
@@ -55997,11 +64091,11 @@ Describes an endpoint for any socket type.
   [
     [[link asio.reference.generic__basic_endpoint.basic_endpoint [*basic_endpoint]]]
     [Default constructor. 
-
+     [hr]
      Construct an endpoint from the specified socket address. 
-
+     [hr]
      Construct an endpoint from the specific endpoint type. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -56525,7 +64619,7 @@ Encapsulates the flags needed for a generic datagram-oriented socket.
   [
     [[link asio.reference.generic__datagram_protocol.datagram_protocol [*datagram_protocol]]]
     [Construct a protocol object for a specific address family and protocol. 
-
+     [hr]
      Construct a generic protocol object from a specific protocol. ]
   ]
   
@@ -56700,11 +64794,11 @@ The type of an endpoint.
   [
     [[link asio.reference.generic__basic_endpoint.basic_endpoint [*basic_endpoint]]]
     [Default constructor. 
-
+     [hr]
      Construct an endpoint from the specified socket address. 
-
+     [hr]
      Construct an endpoint from the specific endpoint type. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -56890,6 +64984,13 @@ The generic socket type.
 [table
   [[Name][Description]]
 
+  [
+
+    [[link asio.reference.basic_datagram_socket__rebind_executor [*rebind_executor]]]
+    [Rebinds the socket type to another executor. ]
+  
+  ]
+
   [
 
     [[link asio.reference.basic_datagram_socket.broadcast [*broadcast]]]
@@ -57091,15 +65192,15 @@ The generic socket type.
   [
     [[link asio.reference.basic_datagram_socket.basic_datagram_socket [*basic_datagram_socket]]]
     [Construct a basic_datagram_socket without opening it. 
-
+     [hr]
      Construct and open a basic_datagram_socket. 
-
+     [hr]
      Construct a basic_datagram_socket, opening it and binding it to the given local endpoint. 
-
+     [hr]
      Construct a basic_datagram_socket on an existing native socket. 
-
+     [hr]
      Move-construct a basic_datagram_socket from another. 
-
+     [hr]
      Move-construct a basic_datagram_socket from a socket of another protocol type. ]
   ]
   
@@ -57128,16 +65229,6 @@ The generic socket type.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_datagram_socket.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_datagram_socket.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_datagram_socket.get_option [*get_option]]]
     [Get an option from the socket. ]
@@ -57161,7 +65252,7 @@ The generic socket type.
   [
     [[link asio.reference.basic_datagram_socket.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
@@ -57173,14 +65264,14 @@ The generic socket type.
   [
     [[link asio.reference.basic_datagram_socket.native_non_blocking [*native_non_blocking]]]
     [Gets the non-blocking mode of the native socket implementation. 
-
+     [hr]
      Sets the non-blocking mode of the native socket implementation. ]
   ]
   
   [
     [[link asio.reference.basic_datagram_socket.non_blocking [*non_blocking]]]
     [Gets the non-blocking mode of the socket. 
-
+     [hr]
      Sets the non-blocking mode of the socket. ]
   ]
   
@@ -57192,7 +65283,7 @@ The generic socket type.
   [
     [[link asio.reference.basic_datagram_socket.operator_eq_ [*operator=]]]
     [Move-assign a basic_datagram_socket from another. 
-
+     [hr]
      Move-assign a basic_datagram_socket from a socket of another protocol type. ]
   ]
   
@@ -57284,6 +65375,17 @@ The generic socket type.
 
 ]
 
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_datagram_socket.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
 The [link asio.reference.basic_datagram_socket `basic_datagram_socket`] class template provides asynchronous and blocking datagram-oriented socket functionality.
 
 
@@ -57369,7 +65471,7 @@ Encapsulates the flags needed for a generic raw socket.
   [
     [[link asio.reference.generic__raw_protocol.raw_protocol [*raw_protocol]]]
     [Construct a protocol object for a specific address family and protocol. 
-
+     [hr]
      Construct a generic protocol object from a specific protocol. ]
   ]
   
@@ -57466,11 +65568,11 @@ The type of an endpoint.
   [
     [[link asio.reference.generic__basic_endpoint.basic_endpoint [*basic_endpoint]]]
     [Default constructor. 
-
+     [hr]
      Construct an endpoint from the specified socket address. 
-
+     [hr]
      Construct an endpoint from the specific endpoint type. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -57724,6 +65826,13 @@ The generic socket type.
 [table
   [[Name][Description]]
 
+  [
+
+    [[link asio.reference.basic_raw_socket__rebind_executor [*rebind_executor]]]
+    [Rebinds the socket type to another executor. ]
+  
+  ]
+
   [
 
     [[link asio.reference.basic_raw_socket.broadcast [*broadcast]]]
@@ -57925,15 +66034,15 @@ The generic socket type.
   [
     [[link asio.reference.basic_raw_socket.basic_raw_socket [*basic_raw_socket]]]
     [Construct a basic_raw_socket without opening it. 
-
+     [hr]
      Construct and open a basic_raw_socket. 
-
+     [hr]
      Construct a basic_raw_socket, opening it and binding it to the given local endpoint. 
-
+     [hr]
      Construct a basic_raw_socket on an existing native socket. 
-
+     [hr]
      Move-construct a basic_raw_socket from another. 
-
+     [hr]
      Move-construct a basic_raw_socket from a socket of another protocol type. ]
   ]
   
@@ -57962,16 +66071,6 @@ The generic socket type.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_raw_socket.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_raw_socket.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_raw_socket.get_option [*get_option]]]
     [Get an option from the socket. ]
@@ -57995,7 +66094,7 @@ The generic socket type.
   [
     [[link asio.reference.basic_raw_socket.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
@@ -58007,14 +66106,14 @@ The generic socket type.
   [
     [[link asio.reference.basic_raw_socket.native_non_blocking [*native_non_blocking]]]
     [Gets the non-blocking mode of the native socket implementation. 
-
+     [hr]
      Sets the non-blocking mode of the native socket implementation. ]
   ]
   
   [
     [[link asio.reference.basic_raw_socket.non_blocking [*non_blocking]]]
     [Gets the non-blocking mode of the socket. 
-
+     [hr]
      Sets the non-blocking mode of the socket. ]
   ]
   
@@ -58026,7 +66125,7 @@ The generic socket type.
   [
     [[link asio.reference.basic_raw_socket.operator_eq_ [*operator=]]]
     [Move-assign a basic_raw_socket from another. 
-
+     [hr]
      Move-assign a basic_raw_socket from a socket of another protocol type. ]
   ]
   
@@ -58118,6 +66217,17 @@ The generic socket type.
 
 ]
 
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_raw_socket.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
 The [link asio.reference.basic_raw_socket `basic_raw_socket`] class template provides asynchronous and blocking raw-oriented socket functionality.
 
 
@@ -58203,7 +66313,7 @@ Encapsulates the flags needed for a generic sequenced packet socket.
   [
     [[link asio.reference.generic__seq_packet_protocol.seq_packet_protocol [*seq_packet_protocol]]]
     [Construct a protocol object for a specific address family and protocol. 
-
+     [hr]
      Construct a generic protocol object from a specific protocol. ]
   ]
   
@@ -58295,11 +66405,11 @@ The type of an endpoint.
   [
     [[link asio.reference.generic__basic_endpoint.basic_endpoint [*basic_endpoint]]]
     [Default constructor. 
-
+     [hr]
      Construct an endpoint from the specified socket address. 
-
+     [hr]
      Construct an endpoint from the specific endpoint type. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -58553,6 +66663,13 @@ The generic socket type.
 [table
   [[Name][Description]]
 
+  [
+
+    [[link asio.reference.basic_seq_packet_socket__rebind_executor [*rebind_executor]]]
+    [Rebinds the socket type to another executor. ]
+  
+  ]
+
   [
 
     [[link asio.reference.basic_seq_packet_socket.broadcast [*broadcast]]]
@@ -58744,15 +66861,15 @@ The generic socket type.
   [
     [[link asio.reference.basic_seq_packet_socket.basic_seq_packet_socket [*basic_seq_packet_socket]]]
     [Construct a basic_seq_packet_socket without opening it. 
-
+     [hr]
      Construct and open a basic_seq_packet_socket. 
-
+     [hr]
      Construct a basic_seq_packet_socket, opening it and binding it to the given local endpoint. 
-
+     [hr]
      Construct a basic_seq_packet_socket on an existing native socket. 
-
+     [hr]
      Move-construct a basic_seq_packet_socket from another. 
-
+     [hr]
      Move-construct a basic_seq_packet_socket from a socket of another protocol type. ]
   ]
   
@@ -58781,16 +66898,6 @@ The generic socket type.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_seq_packet_socket.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_seq_packet_socket.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_seq_packet_socket.get_option [*get_option]]]
     [Get an option from the socket. ]
@@ -58814,7 +66921,7 @@ The generic socket type.
   [
     [[link asio.reference.basic_seq_packet_socket.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
@@ -58826,14 +66933,14 @@ The generic socket type.
   [
     [[link asio.reference.basic_seq_packet_socket.native_non_blocking [*native_non_blocking]]]
     [Gets the non-blocking mode of the native socket implementation. 
-
+     [hr]
      Sets the non-blocking mode of the native socket implementation. ]
   ]
   
   [
     [[link asio.reference.basic_seq_packet_socket.non_blocking [*non_blocking]]]
     [Gets the non-blocking mode of the socket. 
-
+     [hr]
      Sets the non-blocking mode of the socket. ]
   ]
   
@@ -58845,14 +66952,14 @@ The generic socket type.
   [
     [[link asio.reference.basic_seq_packet_socket.operator_eq_ [*operator=]]]
     [Move-assign a basic_seq_packet_socket from another. 
-
+     [hr]
      Move-assign a basic_seq_packet_socket from a socket of another protocol type. ]
   ]
   
   [
     [[link asio.reference.basic_seq_packet_socket.receive [*receive]]]
     [Receive some data on the socket. 
-
+     [hr]
      Receive some data on a connected socket. ]
   ]
   
@@ -58929,6 +67036,17 @@ The generic socket type.
 
 ]
 
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_seq_packet_socket.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
 The [link asio.reference.basic_seq_packet_socket `basic_seq_packet_socket`] class template provides asynchronous and blocking sequenced packet socket functionality.
 
 
@@ -59021,7 +67139,7 @@ Encapsulates the flags needed for a generic stream-oriented socket.
   [
     [[link asio.reference.generic__stream_protocol.stream_protocol [*stream_protocol]]]
     [Construct a protocol object for a specific address family and protocol. 
-
+     [hr]
      Construct a generic protocol object from a specific protocol. ]
   ]
   
@@ -59118,11 +67236,11 @@ The type of an endpoint.
   [
     [[link asio.reference.generic__basic_endpoint.basic_endpoint [*basic_endpoint]]]
     [Default constructor. 
-
+     [hr]
      Construct an endpoint from the specified socket address. 
-
+     [hr]
      Construct an endpoint from the specific endpoint type. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -59308,11 +67426,11 @@ The generic socket iostream type.
   [
     [[link asio.reference.basic_socket_iostream.basic_socket_iostream [*basic_socket_iostream]]]
     [Construct a basic_socket_iostream without establishing a connection. 
-
+     [hr]
      Construct a basic_socket_iostream from the supplied socket. 
-
+     [hr]
      Move-construct a basic_socket_iostream from another. 
-
+     [hr]
      Establish a connection to an endpoint corresponding to a resolver query. ]
   ]
   
@@ -59339,14 +67457,14 @@ The generic socket iostream type.
   [
     [[link asio.reference.basic_socket_iostream.expires_at [*expires_at]]]
     [(Deprecated: Use expiry().) Get the stream's expiry time as an absolute time. 
-
+     [hr]
      Set the stream's expiry time as an absolute time. ]
   ]
   
   [
     [[link asio.reference.basic_socket_iostream.expires_from_now [*expires_from_now]]]
     [(Deprecated: Use expiry().) Get the stream's expiry time relative to now. 
-
+     [hr]
      (Deprecated: Use expires_after().) Set the stream's expiry time relative to now. ]
   ]
   
@@ -59455,6 +67573,13 @@ The generic socket type.
 [table
   [[Name][Description]]
 
+  [
+
+    [[link asio.reference.basic_stream_socket__rebind_executor [*rebind_executor]]]
+    [Rebinds the socket type to another executor. ]
+  
+  ]
+
   [
 
     [[link asio.reference.basic_stream_socket.broadcast [*broadcast]]]
@@ -59656,15 +67781,15 @@ The generic socket type.
   [
     [[link asio.reference.basic_stream_socket.basic_stream_socket [*basic_stream_socket]]]
     [Construct a basic_stream_socket without opening it. 
-
+     [hr]
      Construct and open a basic_stream_socket. 
-
+     [hr]
      Construct a basic_stream_socket, opening it and binding it to the given local endpoint. 
-
+     [hr]
      Construct a basic_stream_socket on an existing native socket. 
-
+     [hr]
      Move-construct a basic_stream_socket from another. 
-
+     [hr]
      Move-construct a basic_stream_socket from a socket of another protocol type. ]
   ]
   
@@ -59693,16 +67818,6 @@ The generic socket type.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_stream_socket.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_stream_socket.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_stream_socket.get_option [*get_option]]]
     [Get an option from the socket. ]
@@ -59726,7 +67841,7 @@ The generic socket type.
   [
     [[link asio.reference.basic_stream_socket.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
@@ -59738,14 +67853,14 @@ The generic socket type.
   [
     [[link asio.reference.basic_stream_socket.native_non_blocking [*native_non_blocking]]]
     [Gets the non-blocking mode of the native socket implementation. 
-
+     [hr]
      Sets the non-blocking mode of the native socket implementation. ]
   ]
   
   [
     [[link asio.reference.basic_stream_socket.non_blocking [*non_blocking]]]
     [Gets the non-blocking mode of the socket. 
-
+     [hr]
      Sets the non-blocking mode of the socket. ]
   ]
   
@@ -59757,7 +67872,7 @@ The generic socket type.
   [
     [[link asio.reference.basic_stream_socket.operator_eq_ [*operator=]]]
     [Move-assign a basic_stream_socket from another. 
-
+     [hr]
      Move-assign a basic_stream_socket from a socket of another protocol type. ]
   ]
   
@@ -59769,7 +67884,7 @@ The generic socket type.
   [
     [[link asio.reference.basic_stream_socket.receive [*receive]]]
     [Receive some data on the socket. 
-
+     [hr]
      Receive some data on a connected socket. ]
   ]
   
@@ -59851,6 +67966,17 @@ The generic socket type.
 
 ]
 
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_stream_socket.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
 The [link asio.reference.basic_stream_socket `basic_stream_socket`] class template provides asynchronous and blocking stream-oriented socket functionality.
 
 
@@ -59964,7 +68090,6 @@ Obtain an identifier for the type of the protocol.
 [indexterm1 asio.indexterm.get_associated_allocator..get_associated_allocator] 
 Helper function to obtain an object's associated allocator. 
 
-    
   template<
       typename T>
   associated_allocator< T >::type ``[link asio.reference.get_associated_allocator.overload1 get_associated_allocator]``(
@@ -60042,7 +68167,6 @@ Helper function to obtain an object's associated allocator.
 [indexterm1 asio.indexterm.get_associated_executor..get_associated_executor] 
 Helper function to obtain an object's associated executor. 
 
-    
   template<
       typename T>
   associated_executor< T >::type ``[link asio.reference.get_associated_executor.overload1 get_associated_executor]``(
@@ -60153,106 +68277,6 @@ Helper function to obtain an object's associated executor.
 
 [endsect]
 
-[section:handler_type handler_type]
-
-
-(Deprecated: Use two-parameter version of [link asio.reference.async_result `async_result`].) Default handler type traits provided for all completion token types. 
-
-
-  template<
-      typename CompletionToken,
-      typename Signature,
-      typename  = void>
-  struct handler_type
-
-
-[heading Types]
-[table
-  [[Name][Description]]
-
-  [
-
-    [[link asio.reference.handler_type.type [*type]]]
-    [The handler type for the specific signature. ]
-  
-  ]
-
-]
-
-The [link asio.reference.handler_type `handler_type`] traits class is used for determining the concrete handler type to be used for an asynchronous operation. It allows the handler type to be determined at the point where the specific completion handler signature is known.
-
-This template may be specialised for user-defined completion token types. 
-
-[heading Requirements]
-
-['Header: ][^asio/handler_type.hpp]
-
-['Convenience header: ][^asio.hpp]
-
-
-[section:type handler_type::type]
-
-[indexterm2 asio.indexterm.handler_type.type..type..handler_type] 
-The handler type for the specific signature. 
-
-
-  typedef conditional< is_same< CompletionToken, typename decay< CompletionToken >::type >::value, decay< CompletionToken >, handler_type< typename decay< CompletionToken >::type, Signature > >::type::type type;
-
-
-
-[heading Requirements]
-
-['Header: ][^asio/handler_type.hpp]
-
-['Convenience header: ][^asio.hpp]
-
-
-[endsect]
-
-
-
-[endsect]
-
-
-[section:has_service has_service]
-
-[indexterm1 asio.indexterm.has_service..has_service] 
-
-  template<
-      typename ``[link asio.reference.Service Service]``>
-  bool has_service(
-      execution_context & e);
-
-
-This function is used to determine whether the [link asio.reference.execution_context `execution_context`] contains a service object corresponding to the given service type.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[e][The [link asio.reference.execution_context `execution_context`] object that owns the service.]]
-
-]
-
-
-[heading Return Value]
-      
-A boolean indicating whether the [link asio.reference.execution_context `execution_context`] contains the service. 
-
-
-
-[heading Requirements]
-
-['Header: ][^asio/impl/execution_context.hpp]
-
-['Convenience header: ][^asio.hpp]
-
-
-[endsect]
-
-
 
 [section:high_resolution_timer high_resolution_timer]
 
@@ -60316,25 +68340,25 @@ Typedef for a timer based on the high resolution clock.
   [
     [[link asio.reference.basic_waitable_timer.basic_waitable_timer [*basic_waitable_timer]]]
     [Constructor. 
-
+     [hr]
      Constructor to set a particular expiry time as an absolute time. 
-
+     [hr]
      Constructor to set a particular expiry time relative to now. 
-
+     [hr]
      Move-construct a basic_waitable_timer from another. ]
   ]
   
   [
     [[link asio.reference.basic_waitable_timer.cancel [*cancel]]]
     [Cancel any asynchronous operations that are waiting on the timer. 
-
+     [hr]
      (Deprecated: Use non-error_code overload.) Cancel any asynchronous operations that are waiting on the timer. ]
   ]
   
   [
     [[link asio.reference.basic_waitable_timer.cancel_one [*cancel_one]]]
     [Cancels one asynchronous operation that is waiting on the timer. 
-
+     [hr]
      (Deprecated: Use non-error_code overload.) Cancels one asynchronous operation that is waiting on the timer. ]
   ]
   
@@ -60346,16 +68370,16 @@ Typedef for a timer based on the high resolution clock.
   [
     [[link asio.reference.basic_waitable_timer.expires_at [*expires_at]]]
     [(Deprecated: Use expiry().) Get the timer's expiry time as an absolute time. 
-
+     [hr]
      Set the timer's expiry time as an absolute time. 
-
+     [hr]
      (Deprecated: Use non-error_code overload.) Set the timer's expiry time as an absolute time. ]
   ]
   
   [
     [[link asio.reference.basic_waitable_timer.expires_from_now [*expires_from_now]]]
     [(Deprecated: Use expiry().) Get the timer's expiry time relative to now. 
-
+     [hr]
      (Deprecated: Use expires_after().) Set the timer's expiry time relative to now. ]
   ]
   
@@ -60369,16 +68393,6 @@ Typedef for a timer based on the high resolution clock.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_waitable_timer.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_waitable_timer.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_waitable_timer.operator_eq_ [*operator=]]]
     [Move-assign a basic_waitable_timer from another. ]
@@ -60420,7 +68434,7 @@ This waitable timer functionality is for use with the C++11 standard library's `
 Performing a blocking wait (C++11): 
 
    // Construct a timer without setting an expiry time.
-   asio::steady_timer timer(io_context);
+   asio::steady_timer timer(my_context);
 
    // Set an expiry time relative to now.
    timer.expires_after(std::chrono::seconds(5));
@@ -60445,7 +68459,7 @@ Performing an asynchronous wait (C++11):
    ...
 
    // Construct a timer with an absolute expiry time.
-   asio::steady_timer timer(io_context,
+   asio::steady_timer timer(my_context,
        std::chrono::steady_clock::now() + std::chrono::seconds(60));
 
    // Start an asynchronous wait.
@@ -60639,14 +68653,14 @@ Provides core I/O functionality.
   [
     [[link asio.reference.io_context.poll [*poll]]]
     [Run the io_context object's event processing loop to execute ready handlers. 
-
+     [hr]
      (Deprecated: Use non-error_code overload.) Run the io_context object's event processing loop to execute ready handlers. ]
   ]
   
   [
     [[link asio.reference.io_context.poll_one [*poll_one]]]
     [Run the io_context object's event processing loop to execute one ready handler. 
-
+     [hr]
      (Deprecated: Use non-error_code overload.) Run the io_context object's event processing loop to execute one ready handler. ]
   ]
   
@@ -60668,7 +68682,7 @@ Provides core I/O functionality.
   [
     [[link asio.reference.io_context.run [*run]]]
     [Run the io_context object's event processing loop. 
-
+     [hr]
      (Deprecated: Use non-error_code overload.) Run the io_context object's event processing loop. ]
   ]
   
@@ -60680,7 +68694,7 @@ Provides core I/O functionality.
   [
     [[link asio.reference.io_context.run_one [*run_one]]]
     [Run the io_context object's event processing loop to execute at most one handler. 
-
+     [hr]
      (Deprecated: Use non-error_code overlaod.) Run the io_context object's event processing loop to execute at most one handler. ]
   ]
   
@@ -60759,7 +68773,7 @@ Provides core I/O functionality.
   [
     [[link asio.reference.io_context.use_service [*use_service]]]
     [
-
+     [hr]
      Obtain the service object corresponding to the given type. ]
   ]
   
@@ -61010,9 +69024,9 @@ This function is implemented as follows:
 
 
   template<
-      typename ``[link asio.reference.CompletionHandler CompletionHandler]``>
+      typename ``[link asio.reference.LegacyCompletionHandler LegacyCompletionHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` dispatch(
-      CompletionHandler && handler);
+      LegacyCompletionHandler && handler);
 
 
 This function is used to ask the [link asio.reference.io_context `io_context`] to execute the given handler.
@@ -61491,9 +69505,9 @@ The number of handlers that were executed.
 
 
   template<
-      typename ``[link asio.reference.CompletionHandler CompletionHandler]``>
+      typename ``[link asio.reference.LegacyCompletionHandler LegacyCompletionHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` post(
-      CompletionHandler && handler);
+      LegacyCompletionHandler && handler);
 
 
 This function is used to ask the [link asio.reference.io_context `io_context`] to execute the given handler, but without allowing the [link asio.reference.io_context `io_context`] to call the handler from inside this function.
@@ -61981,30 +69995,6 @@ Obtain the service object corresponding to the given type.
       io_context & ioc);
 
 
-This function is used to locate a service object that corresponds to the given service type. If there is no existing implementation of the service, then the [link asio.reference.io_context `io_context`] will create a new instance of the service.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[ioc][The [link asio.reference.io_context `io_context`] object that owns the service.]]
-
-]
-
-
-[heading Return Value]
-      
-The service interface implementing the specified service type. Ownership of the service interface is not transferred to the caller.
-
-
-[heading Remarks]
-      
-This overload is preserved for backwards compatibility with services that inherit from [link asio.reference.io_context__service `io_context::service`]. 
-
-
-
 [heading Requirements]
 
 ['Header: ][^asio/io_context.hpp]
@@ -62490,11 +70480,6 @@ Base class for all [link asio.reference.io_context `io_context`] services.
     [Get the io_context object that owns the service. ]
   ]
   
-  [
-    [[link asio.reference.io_context__service.get_io_service [*get_io_service]]]
-    [Get the io_context object that owns the service. ]
-  ]
-  
 ]
 
 [heading Protected Member Functions]
@@ -62534,20 +70519,6 @@ Get the [link asio.reference.io_context `io_context`] object that owns the servi
 
 
 
-[section:get_io_service io_context::service::get_io_service]
-
-[indexterm2 asio.indexterm.io_context__service.get_io_service..get_io_service..io_context::service] 
-Get the [link asio.reference.io_context `io_context`] object that owns the service. 
-
-
-  asio::io_context & get_io_service();
-
-
-
-[endsect]
-
-
-
 [section:service io_context::service::service]
 
 [indexterm2 asio.indexterm.io_context__service.service..service..io_context::service] 
@@ -62617,20 +70588,10 @@ Provides serialised handler execution.
   [
     [[link asio.reference.io_context__strand.dispatch [*dispatch]]]
     [Request the strand to invoke the given function object. 
-
+     [hr]
      (Deprecated: Use asio::dispatch().) Request the strand to invoke the given handler. ]
   ]
   
-  [
-    [[link asio.reference.io_context__strand.get_io_context [*get_io_context]]]
-    [(Deprecated: Use context().) Get the io_context associated with the strand. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__strand.get_io_service [*get_io_service]]]
-    [(Deprecated: Use context().) Get the io_context associated with the strand. ]
-  ]
-  
   [
     [[link asio.reference.io_context__strand.on_work_finished [*on_work_finished]]]
     [Inform the strand that some work is no longer outstanding. ]
@@ -62644,7 +70605,7 @@ Provides serialised handler execution.
   [
     [[link asio.reference.io_context__strand.post [*post]]]
     [Request the strand to invoke the given function object. 
-
+     [hr]
      (Deprecated: Use asio::post().) Request the strand to invoke the given handler and return immediately. ]
   ]
   
@@ -62825,9 +70786,9 @@ Request the strand to invoke the given function object.
 
 
   template<
-      typename ``[link asio.reference.CompletionHandler CompletionHandler]``>
+      typename ``[link asio.reference.LegacyCompletionHandler LegacyCompletionHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.io_context__strand.dispatch.overload2 dispatch]``(
-      CompletionHandler && handler);
+      LegacyCompletionHandler && handler);
   ``  [''''&raquo;''' [link asio.reference.io_context__strand.dispatch.overload2 more...]]``
 
 
@@ -62877,9 +70838,9 @@ This function is used to ask the strand to execute the given function object on
 
 
   template<
-      typename ``[link asio.reference.CompletionHandler CompletionHandler]``>
+      typename ``[link asio.reference.LegacyCompletionHandler LegacyCompletionHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` dispatch(
-      CompletionHandler && handler);
+      LegacyCompletionHandler && handler);
 
 
 This function is used to ask the strand to execute the given handler.
@@ -62911,52 +70872,6 @@ The strand's guarantee is in addition to the guarantee provided by the underlyin
 [endsect]
 
 
-[section:get_io_context io_context::strand::get_io_context]
-
-[indexterm2 asio.indexterm.io_context__strand.get_io_context..get_io_context..io_context::strand] 
-(Deprecated: Use `context()`.) Get the [link asio.reference.io_context `io_context`] associated with the strand. 
-
-
-  asio::io_context & get_io_context();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the strand uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the strand will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
-[section:get_io_service io_context::strand::get_io_service]
-
-[indexterm2 asio.indexterm.io_context__strand.get_io_service..get_io_service..io_context::strand] 
-(Deprecated: Use `context()`.) Get the [link asio.reference.io_context `io_context`] associated with the strand. 
-
-
-  asio::io_context & get_io_service();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the strand uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the strand will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
 [section:on_work_finished io_context::strand::on_work_finished]
 
 [indexterm2 asio.indexterm.io_context__strand.on_work_finished..on_work_finished..io_context::strand] 
@@ -63055,9 +70970,9 @@ Request the strand to invoke the given function object.
 
 
   template<
-      typename ``[link asio.reference.CompletionHandler CompletionHandler]``>
+      typename ``[link asio.reference.LegacyCompletionHandler LegacyCompletionHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.io_context__strand.post.overload2 post]``(
-      CompletionHandler && handler);
+      LegacyCompletionHandler && handler);
   ``  [''''&raquo;''' [link asio.reference.io_context__strand.post.overload2 more...]]``
 
 
@@ -63107,9 +71022,9 @@ This function is used to ask the executor to execute the given function object.
 
 
   template<
-      typename ``[link asio.reference.CompletionHandler CompletionHandler]``>
+      typename ``[link asio.reference.LegacyCompletionHandler LegacyCompletionHandler]``>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` post(
-      CompletionHandler && handler);
+      LegacyCompletionHandler && handler);
 
 
 This function is used to ask the strand to execute the given handler, but without allowing the strand to call the handler from inside this function.
@@ -63287,15 +71202,10 @@ Handlers posted through the strand that have not yet been invoked will still be
     [Get the io_context associated with the work. ]
   ]
   
-  [
-    [[link asio.reference.io_context__work.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_io_context().) Get the io_context associated with the work. ]
-  ]
-  
   [
     [[link asio.reference.io_context__work.work [*work]]]
     [Constructor notifies the io_context that work is starting. 
-
+     [hr]
      Copy constructor notifies the io_context that work is starting. ]
   ]
   
@@ -63327,20 +71237,6 @@ Get the [link asio.reference.io_context `io_context`] associated with the work.
 
 
 
-[endsect]
-
-
-
-[section:get_io_service io_context::work::get_io_service]
-
-[indexterm2 asio.indexterm.io_context__work.get_io_service..get_io_service..io_context::work] 
-(Deprecated: Use `get_io_context()`.) Get the [link asio.reference.io_context `io_context`] associated with the work. 
-
-
-  asio::io_context & get_io_service();
-
-
-
 [endsect]
 
 
@@ -63502,14 +71398,14 @@ Typedef for backwards compatibility.
   [
     [[link asio.reference.io_context.poll [*poll]]]
     [Run the io_context object's event processing loop to execute ready handlers. 
-
+     [hr]
      (Deprecated: Use non-error_code overload.) Run the io_context object's event processing loop to execute ready handlers. ]
   ]
   
   [
     [[link asio.reference.io_context.poll_one [*poll_one]]]
     [Run the io_context object's event processing loop to execute one ready handler. 
-
+     [hr]
      (Deprecated: Use non-error_code overload.) Run the io_context object's event processing loop to execute one ready handler. ]
   ]
   
@@ -63531,7 +71427,7 @@ Typedef for backwards compatibility.
   [
     [[link asio.reference.io_context.run [*run]]]
     [Run the io_context object's event processing loop. 
-
+     [hr]
      (Deprecated: Use non-error_code overload.) Run the io_context object's event processing loop. ]
   ]
   
@@ -63543,7 +71439,7 @@ Typedef for backwards compatibility.
   [
     [[link asio.reference.io_context.run_one [*run_one]]]
     [Run the io_context object's event processing loop to execute at most one handler. 
-
+     [hr]
      (Deprecated: Use non-error_code overlaod.) Run the io_context object's event processing loop to execute at most one handler. ]
   ]
   
@@ -63622,7 +71518,7 @@ Typedef for backwards compatibility.
   [
     [[link asio.reference.io_context.use_service [*use_service]]]
     [
-
+     [hr]
      Obtain the service object corresponding to the given type. ]
   ]
   
@@ -63782,11 +71678,11 @@ Implements version-independent IP addresses.
   [
     [[link asio.reference.ip__address.address [*address]]]
     [Default constructor. 
-
+     [hr]
      Construct an address from an IPv4 address. 
-
+     [hr]
      Construct an address from an IPv6 address. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -63823,16 +71719,16 @@ Implements version-independent IP addresses.
   [
     [[link asio.reference.ip__address.operator_eq_ [*operator=]]]
     [Assign from another address. 
-
+     [hr]
      Assign from an IPv4 address. 
-
+     [hr]
      Assign from an IPv6 address. ]
   ]
   
   [
     [[link asio.reference.ip__address.to_string [*to_string]]]
     [Get the address as a string. 
-
+     [hr]
      (Deprecated: Use other overload.) Get the address as a string. ]
   ]
   
@@ -64657,11 +72553,11 @@ Implements IP version 4 style addresses.
   [
     [[link asio.reference.ip__address_v4.address_v4 [*address_v4]]]
     [Default constructor. 
-
+     [hr]
      Construct an address from raw bytes. 
-
+     [hr]
      Construct an address from an unsigned integer in host byte order. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -64673,7 +72569,7 @@ Implements IP version 4 style addresses.
   [
     [[link asio.reference.ip__address_v4.broadcast [*broadcast]]]
     [Obtain an address object that represents the broadcast address. 
-
+     [hr]
      (Deprecated: Use network_v4 class.) Obtain an address object that represents the broadcast address that corresponds to the specified address and netmask. ]
   ]
   
@@ -64735,7 +72631,7 @@ Implements IP version 4 style addresses.
   [
     [[link asio.reference.ip__address_v4.to_string [*to_string]]]
     [Get the address as a string in dotted decimal format. 
-
+     [hr]
      (Deprecated: Use other overload.) Get the address as a string in dotted decimal format. ]
   ]
   
@@ -65902,7 +73798,7 @@ An input iterator that can be used for traversing IPv4 addresses.
   [
     [[link asio.reference.ip__basic_address_iterator_lt__address_v4__gt_.basic_address_iterator [*basic_address_iterator]]]
     [Construct an iterator that points to the specified address. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -65914,14 +73810,14 @@ An input iterator that can be used for traversing IPv4 addresses.
   [
     [[link asio.reference.ip__basic_address_iterator_lt__address_v4__gt_.operator_plus__plus_ [*operator++]]]
     [Pre-increment operator. 
-
+     [hr]
      Post-increment operator. ]
   ]
   
   [
     [[link asio.reference.ip__basic_address_iterator_lt__address_v4__gt_.operator_minus__minus_ [*operator--]]]
     [Pre-decrement operator. 
-
+     [hr]
      Post-decrement operator. ]
   ]
   
@@ -66005,9 +73901,9 @@ Represents a range of IPv4 addresses.
   [
     [[link asio.reference.ip__basic_address_range_lt__address_v4__gt_.basic_address_range [*basic_address_range]]]
     [Construct an empty range. 
-
+     [hr]
      Construct an range that represents the given range of addresses. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -66092,9 +73988,9 @@ Implements IP version 6 style addresses.
   [
     [[link asio.reference.ip__address_v6.address_v6 [*address_v6]]]
     [Default constructor. 
-
+     [hr]
      Construct an address from raw bytes and scope ID. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -66191,7 +74087,7 @@ Implements IP version 6 style addresses.
   [
     [[link asio.reference.ip__address_v6.to_string [*to_string]]]
     [Get the address as a string. 
-
+     [hr]
      (Deprecated: Use other overload.) Get the address as a string. ]
   ]
   
@@ -67347,7 +75243,7 @@ An input iterator that can be used for traversing IPv6 addresses.
   [
     [[link asio.reference.ip__basic_address_iterator_lt__address_v6__gt_.basic_address_iterator [*basic_address_iterator]]]
     [Construct an iterator that points to the specified address. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -67359,14 +75255,14 @@ An input iterator that can be used for traversing IPv6 addresses.
   [
     [[link asio.reference.ip__basic_address_iterator_lt__address_v6__gt_.operator_plus__plus_ [*operator++]]]
     [Pre-increment operator. 
-
+     [hr]
      Post-increment operator. ]
   ]
   
   [
     [[link asio.reference.ip__basic_address_iterator_lt__address_v6__gt_.operator_minus__minus_ [*operator--]]]
     [Pre-decrement operator. 
-
+     [hr]
      Post-decrement operator. ]
   ]
   
@@ -67450,9 +75346,9 @@ Represents a range of IPv6 addresses.
   [
     [[link asio.reference.ip__basic_address_range_lt__address_v6__gt_.basic_address_range [*basic_address_range]]]
     [Construct an empty range. 
-
+     [hr]
      Construct an range that represents the given range of addresses. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -67642,7 +75538,7 @@ An input iterator that can be used for traversing IPv4 addresses.
   [
     [[link asio.reference.ip__basic_address_iterator_lt__address_v4__gt_.basic_address_iterator [*basic_address_iterator]]]
     [Construct an iterator that points to the specified address. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -67654,14 +75550,14 @@ An input iterator that can be used for traversing IPv4 addresses.
   [
     [[link asio.reference.ip__basic_address_iterator_lt__address_v4__gt_.operator_plus__plus_ [*operator++]]]
     [Pre-increment operator. 
-
+     [hr]
      Post-increment operator. ]
   ]
   
   [
     [[link asio.reference.ip__basic_address_iterator_lt__address_v4__gt_.operator_minus__minus_ [*operator--]]]
     [Pre-decrement operator. 
-
+     [hr]
      Post-decrement operator. ]
   ]
   
@@ -68043,11 +75939,11 @@ The type of a reference to an element pointed to by the iterator.
   [
     [[link asio.reference.ip__address_v4.address_v4 [*address_v4]]]
     [Default constructor. 
-
+     [hr]
      Construct an address from raw bytes. 
-
+     [hr]
      Construct an address from an unsigned integer in host byte order. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -68059,7 +75955,7 @@ The type of a reference to an element pointed to by the iterator.
   [
     [[link asio.reference.ip__address_v4.broadcast [*broadcast]]]
     [Obtain an address object that represents the broadcast address. 
-
+     [hr]
      (Deprecated: Use network_v4 class.) Obtain an address object that represents the broadcast address that corresponds to the specified address and netmask. ]
   ]
   
@@ -68121,7 +76017,7 @@ The type of a reference to an element pointed to by the iterator.
   [
     [[link asio.reference.ip__address_v4.to_string [*to_string]]]
     [Get the address as a string in dotted decimal format. 
-
+     [hr]
      (Deprecated: Use other overload.) Get the address as a string in dotted decimal format. ]
   ]
   
@@ -68263,11 +76159,11 @@ The type of the elements pointed to by the iterator.
   [
     [[link asio.reference.ip__address_v4.address_v4 [*address_v4]]]
     [Default constructor. 
-
+     [hr]
      Construct an address from raw bytes. 
-
+     [hr]
      Construct an address from an unsigned integer in host byte order. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -68279,7 +76175,7 @@ The type of the elements pointed to by the iterator.
   [
     [[link asio.reference.ip__address_v4.broadcast [*broadcast]]]
     [Obtain an address object that represents the broadcast address. 
-
+     [hr]
      (Deprecated: Use network_v4 class.) Obtain an address object that represents the broadcast address that corresponds to the specified address and netmask. ]
   ]
   
@@ -68341,7 +76237,7 @@ The type of the elements pointed to by the iterator.
   [
     [[link asio.reference.ip__address_v4.to_string [*to_string]]]
     [Get the address as a string in dotted decimal format. 
-
+     [hr]
      (Deprecated: Use other overload.) Get the address as a string in dotted decimal format. ]
   ]
   
@@ -68507,7 +76403,7 @@ An input iterator that can be used for traversing IPv6 addresses.
   [
     [[link asio.reference.ip__basic_address_iterator_lt__address_v6__gt_.basic_address_iterator [*basic_address_iterator]]]
     [Construct an iterator that points to the specified address. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -68519,14 +76415,14 @@ An input iterator that can be used for traversing IPv6 addresses.
   [
     [[link asio.reference.ip__basic_address_iterator_lt__address_v6__gt_.operator_plus__plus_ [*operator++]]]
     [Pre-increment operator. 
-
+     [hr]
      Post-increment operator. ]
   ]
   
   [
     [[link asio.reference.ip__basic_address_iterator_lt__address_v6__gt_.operator_minus__minus_ [*operator--]]]
     [Pre-decrement operator. 
-
+     [hr]
      Post-decrement operator. ]
   ]
   
@@ -68901,9 +76797,9 @@ The type of a reference to an element pointed to by the iterator.
   [
     [[link asio.reference.ip__address_v6.address_v6 [*address_v6]]]
     [Default constructor. 
-
+     [hr]
      Construct an address from raw bytes and scope ID. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -69000,7 +76896,7 @@ The type of a reference to an element pointed to by the iterator.
   [
     [[link asio.reference.ip__address_v6.to_string [*to_string]]]
     [Get the address as a string. 
-
+     [hr]
      (Deprecated: Use other overload.) Get the address as a string. ]
   ]
   
@@ -69138,9 +77034,9 @@ The type of the elements pointed to by the iterator.
   [
     [[link asio.reference.ip__address_v6.address_v6 [*address_v6]]]
     [Default constructor. 
-
+     [hr]
      Construct an address from raw bytes and scope ID. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -69237,7 +77133,7 @@ The type of the elements pointed to by the iterator.
   [
     [[link asio.reference.ip__address_v6.to_string [*to_string]]]
     [Get the address as a string. 
-
+     [hr]
      (Deprecated: Use other overload.) Get the address as a string. ]
   ]
   
@@ -69378,9 +77274,9 @@ Represents a range of IPv4 addresses.
   [
     [[link asio.reference.ip__basic_address_range_lt__address_v4__gt_.basic_address_range [*basic_address_range]]]
     [Construct an empty range. 
-
+     [hr]
      Construct an range that represents the given range of addresses. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -69619,7 +77515,7 @@ The type of an iterator that points into the range.
   [
     [[link asio.reference.ip__basic_address_iterator_lt__address_v4__gt_.basic_address_iterator [*basic_address_iterator]]]
     [Construct an iterator that points to the specified address. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -69631,14 +77527,14 @@ The type of an iterator that points into the range.
   [
     [[link asio.reference.ip__basic_address_iterator_lt__address_v4__gt_.operator_plus__plus_ [*operator++]]]
     [Pre-increment operator. 
-
+     [hr]
      Post-increment operator. ]
   ]
   
   [
     [[link asio.reference.ip__basic_address_iterator_lt__address_v4__gt_.operator_minus__minus_ [*operator--]]]
     [Pre-decrement operator. 
-
+     [hr]
      Post-decrement operator. ]
   ]
   
@@ -69754,9 +77650,9 @@ Represents a range of IPv6 addresses.
   [
     [[link asio.reference.ip__basic_address_range_lt__address_v6__gt_.basic_address_range [*basic_address_range]]]
     [Construct an empty range. 
-
+     [hr]
      Construct an range that represents the given range of addresses. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -69990,7 +77886,7 @@ The type of an iterator that points into the range.
   [
     [[link asio.reference.ip__basic_address_iterator_lt__address_v6__gt_.basic_address_iterator [*basic_address_iterator]]]
     [Construct an iterator that points to the specified address. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -70002,14 +77898,14 @@ The type of an iterator that points into the range.
   [
     [[link asio.reference.ip__basic_address_iterator_lt__address_v6__gt_.operator_plus__plus_ [*operator++]]]
     [Pre-increment operator. 
-
+     [hr]
      Post-increment operator. ]
   ]
   
   [
     [[link asio.reference.ip__basic_address_iterator_lt__address_v6__gt_.operator_minus__minus_ [*operator--]]]
     [Pre-decrement operator. 
-
+     [hr]
      Post-decrement operator. ]
   ]
   
@@ -70119,20 +78015,20 @@ Describes an endpoint for a version-independent IP socket.
   [
     [[link asio.reference.ip__basic_endpoint.address [*address]]]
     [Get the IP address associated with the endpoint. 
-
+     [hr]
      Set the IP address associated with the endpoint. ]
   ]
   
   [
     [[link asio.reference.ip__basic_endpoint.basic_endpoint [*basic_endpoint]]]
     [Default constructor. 
-
+     [hr]
      Construct an endpoint using a port number, specified in the host's byte order. The IP address will be the any address (i.e. INADDR_ANY or in6addr_any). This constructor would typically be used for accepting new connections. 
-
+     [hr]
      Construct an endpoint using a port number and an IP address. This constructor may be used for accepting connections on a specific interface or for making a connection to a remote endpoint. 
-
+     [hr]
      Copy constructor. 
-
+     [hr]
      Move constructor. ]
   ]
   
@@ -70149,14 +78045,14 @@ Describes an endpoint for a version-independent IP socket.
   [
     [[link asio.reference.ip__basic_endpoint.operator_eq_ [*operator=]]]
     [Assign from another endpoint. 
-
+     [hr]
      Move-assign from another endpoint. ]
   ]
   
   [
     [[link asio.reference.ip__basic_endpoint.port [*port]]]
     [Get the port associated with the endpoint. The port number is always in the host's byte order. 
-
+     [hr]
      Set the port associated with the endpoint. The port number is always in the host's byte order. ]
   ]
   
@@ -70846,7 +78742,8 @@ Provides endpoint resolution functionality.
 
 
   template<
-      typename ``[link asio.reference.InternetProtocol InternetProtocol]``>
+      typename ``[link asio.reference.InternetProtocol InternetProtocol]``,
+      typename ``[link asio.reference.Executor1 Executor]``>
   class basic_resolver :
     public ip::resolver_base
 
@@ -70912,17 +78809,19 @@ Provides endpoint resolution functionality.
 
   [
     [[link asio.reference.ip__basic_resolver.async_resolve [*async_resolve]]]
-    [(Deprecated.) Asynchronously perform forward resolution of a query to a list of entries. 
-
+    [(Deprecated: Use overload with separate host and service parameters.) Asynchronously perform forward resolution of a query to a list of entries. 
+     [hr]
      Asynchronously perform forward resolution of a query to a list of entries. 
-
+     [hr]
      Asynchronously perform reverse resolution of an endpoint to a list of entries. ]
   ]
   
   [
     [[link asio.reference.ip__basic_resolver.basic_resolver [*basic_resolver]]]
-    [Constructor. 
-
+    [Construct with executor. 
+     [hr]
+     Construct with execution context. 
+     [hr]
      Move-construct a basic_resolver from another. ]
   ]
   
@@ -70936,16 +78835,6 @@ Provides endpoint resolution functionality.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.ip__basic_resolver.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.ip__basic_resolver.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.ip__basic_resolver.operator_eq_ [*operator=]]]
     [Move-assign a basic_resolver from another. ]
@@ -70953,10 +78842,10 @@ Provides endpoint resolution functionality.
   
   [
     [[link asio.reference.ip__basic_resolver.resolve [*resolve]]]
-    [(Deprecated.) Perform forward resolution of a query to a list of entries. 
-
+    [(Deprecated: Use overload with separate host and service parameters.) Perform forward resolution of a query to a list of entries. 
+     [hr]
      Perform forward resolution of a query to a list of entries. 
-
+     [hr]
      Perform reverse resolution of an endpoint to a list of entries. ]
   ]
   
@@ -71062,7 +78951,7 @@ If used with v4\_mapped, return all matching IPv6 and IPv4 addresses.
 [section:async_resolve ip::basic_resolver::async_resolve]
 
 [indexterm2 asio.indexterm.ip__basic_resolver.async_resolve..async_resolve..ip::basic_resolver] 
-(Deprecated.) Asynchronously perform forward resolution of a query to a list of entries. 
+(Deprecated: Use overload with separate host and service parameters.) Asynchronously perform forward resolution of a query to a list of entries. 
 
 
   template<
@@ -71127,7 +79016,7 @@ Asynchronously perform reverse resolution of an endpoint to a list of entries.
 [section:overload1 ip::basic_resolver::async_resolve (1 of 6 overloads)]
 
 
-(Deprecated.) Asynchronously perform forward resolution of a query to a list of entries. 
+(Deprecated: Use overload with separate host and service parameters.) Asynchronously perform forward resolution of a query to a list of entries. 
 
 
   template<
@@ -71154,7 +79043,7 @@ This function is used to asynchronously resolve a query into a list of endpoint
      resolver::results_type results // Resolved endpoints as a range.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -71198,7 +79087,7 @@ This function is used to resolve host and service names into a list of endpoint
      resolver::results_type results // Resolved endpoints as a range.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -71243,7 +79132,7 @@ This function is used to resolve host and service names into a list of endpoint
 
 [[service][A string identifying the requested service. This may be a descriptive name or a numeric string corresponding to a port number. May be an empty string, in which case all resolved endpoints will have a port number of 0.]]
 
-[[resolve_flags][A set of flags that determine how name resolution should be performed. The default flags are suitable for communication with remote hosts.]]
+[[resolve_flags][A set of flags that determine how name resolution should be performed. The default flags are suitable for communication with remote hosts. See the [link asio.reference.ip__resolver_base `ip::resolver_base`]  documentation for the set of available flags.]]
 
 [[handler][The handler to be called when the resolve operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
 ``
@@ -71252,7 +79141,7 @@ This function is used to resolve host and service names into a list of endpoint
      resolver::results_type results // Resolved endpoints as a range.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -71306,7 +79195,7 @@ This function is used to resolve host and service names into a list of endpoint
      resolver::results_type results // Resolved endpoints as a range.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -71354,7 +79243,7 @@ This function is used to resolve host and service names into a list of endpoint
 
 [[service][A string identifying the requested service. This may be a descriptive name or a numeric string corresponding to a port number. May be an empty string, in which case all resolved endpoints will have a port number of 0.]]
 
-[[resolve_flags][A set of flags that determine how name resolution should be performed. The default flags are suitable for communication with remote hosts.]]
+[[resolve_flags][A set of flags that determine how name resolution should be performed. The default flags are suitable for communication with remote hosts. See the [link asio.reference.ip__resolver_base `ip::resolver_base`]  documentation for the set of available flags.]]
 
 [[handler][The handler to be called when the resolve operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
 ``
@@ -71363,7 +79252,7 @@ This function is used to resolve host and service names into a list of endpoint
      resolver::results_type results // Resolved endpoints as a range.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -71411,7 +79300,7 @@ This function is used to asynchronously resolve an endpoint into a list of endpo
      resolver::results_type results // Resolved endpoints as a range.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -71426,30 +79315,41 @@ A successful resolve operation is guaranteed to pass a non-empty range to the ha
 [section:basic_resolver ip::basic_resolver::basic_resolver]
 
 [indexterm2 asio.indexterm.ip__basic_resolver.basic_resolver..basic_resolver..ip::basic_resolver] 
-Constructor. 
+Construct with executor. 
 
 
   explicit ``[link asio.reference.ip__basic_resolver.basic_resolver.overload1 basic_resolver]``(
-      asio::io_context & io_context);
+      const executor_type & ex);
   ``  [''''&raquo;''' [link asio.reference.ip__basic_resolver.basic_resolver.overload1 more...]]``
 
 
+Construct with execution context. 
+
+
+  template<
+      typename ExecutionContext>
+  explicit ``[link asio.reference.ip__basic_resolver.basic_resolver.overload2 basic_resolver]``(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.ip__basic_resolver.basic_resolver.overload2 more...]]``
+
+
 Move-construct a [link asio.reference.ip__basic_resolver `ip::basic_resolver`] from another. 
 
 
-  ``[link asio.reference.ip__basic_resolver.basic_resolver.overload2 basic_resolver]``(
+  ``[link asio.reference.ip__basic_resolver.basic_resolver.overload3 basic_resolver]``(
       basic_resolver && other);
-  ``  [''''&raquo;''' [link asio.reference.ip__basic_resolver.basic_resolver.overload2 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.ip__basic_resolver.basic_resolver.overload3 more...]]``
 
 
-[section:overload1 ip::basic_resolver::basic_resolver (1 of 2 overloads)]
+[section:overload1 ip::basic_resolver::basic_resolver (1 of 3 overloads)]
 
 
-Constructor. 
+Construct with executor. 
 
 
   basic_resolver(
-      asio::io_context & io_context);
+      const executor_type & ex);
 
 
 This constructor creates a [link asio.reference.ip__basic_resolver `ip::basic_resolver`].
@@ -71460,7 +79360,7 @@ This constructor creates a [link asio.reference.ip__basic_resolver `ip::basic_re
 
 [variablelist
   
-[[io_context][The [link asio.reference.io_context `io_context`] object that the resolver will use to dispatch handlers for any asynchronous operations performed on the resolver. ]]
+[[ex][The I/O executor that the resolver will use, by default, to dispatch handlers for any asynchronous operations performed on the resolver. ]]
 
 ]
 
@@ -71471,7 +79371,39 @@ This constructor creates a [link asio.reference.ip__basic_resolver `ip::basic_re
 
 
 
-[section:overload2 ip::basic_resolver::basic_resolver (2 of 2 overloads)]
+[section:overload2 ip::basic_resolver::basic_resolver (2 of 3 overloads)]
+
+
+Construct with execution context. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_resolver(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a [link asio.reference.ip__basic_resolver `ip::basic_resolver`].
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the resolver will use, by default, to dispatch handlers for any asynchronous operations performed on the resolver. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload3 ip::basic_resolver::basic_resolver (3 of 3 overloads)]
 
 
 Move-construct a [link asio.reference.ip__basic_resolver `ip::basic_resolver`] from another. 
@@ -71496,7 +79428,7 @@ This constructor moves a resolver from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_resolver(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_resolver(const executor_type&) constructor`. 
 
 
 
@@ -71567,66 +79499,9 @@ The endpoint type.
 The type of the executor associated with the object. 
 
 
-  typedef io_context::executor_type executor_type;
+  typedef Executor executor_type;
 
 
-[heading Member Functions]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.context [*context]]]
-    [Obtain the underlying execution context. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.defer [*defer]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.dispatch [*dispatch]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_finished [*on_work_finished]]]
-    [Inform the io_context that some work is no longer outstanding. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_started [*on_work_started]]]
-    [Inform the io_context that it has some outstanding work to do. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.post [*post]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.running_in_this_thread [*running_in_this_thread]]]
-    [Determine whether the io_context is running in the current thread. ]
-  ]
-  
-]
-
-[heading Friends]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.operator_not__eq_ [*operator!=]]]
-    [Compare two executors for inequality. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.operator_eq__eq_ [*operator==]]]
-    [Compare two executors for equality. ]
-  ]
-  
-]
-
 
 [heading Requirements]
 
@@ -71673,52 +79548,6 @@ Get the executor associated with the object.
 
 
 
-[endsect]
-
-
-
-[section:get_io_context ip::basic_resolver::get_io_context]
-
-[indexterm2 asio.indexterm.ip__basic_resolver.get_io_context..get_io_context..ip::basic_resolver] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_context();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
-[section:get_io_service ip::basic_resolver::get_io_service]
-
-[indexterm2 asio.indexterm.ip__basic_resolver.get_io_service..get_io_service..ip::basic_resolver] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_service();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
 [endsect]
 
 
@@ -71780,9 +79609,9 @@ A reference to the [link asio.reference.io_context `io_context`] object that the
   [
     [[link asio.reference.ip__basic_resolver_iterator.basic_resolver_iterator [*basic_resolver_iterator]]]
     [Default constructor creates an end iterator. 
-
+     [hr]
      Copy constructor. 
-
+     [hr]
      Move constructor. ]
   ]
   
@@ -71794,7 +79623,7 @@ A reference to the [link asio.reference.io_context `io_context`] object that the
   [
     [[link asio.reference.ip__basic_resolver_iterator.operator_plus__plus_ [*operator++]]]
     [Increment operator (prefix). 
-
+     [hr]
      Increment operator (postfix). ]
   ]
   
@@ -71806,7 +79635,7 @@ A reference to the [link asio.reference.io_context `io_context`] object that the
   [
     [[link asio.reference.ip__basic_resolver_iterator.operator_eq_ [*operator=]]]
     [Assignment operator. 
-
+     [hr]
      Move-assignment operator. ]
   ]
   
@@ -71954,7 +79783,7 @@ This assignment operator moves a resolver from one object to another. Cancels an
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `basic_resolver(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_resolver(const executor_type&) constructor`. 
 
 
 
@@ -72037,11 +79866,11 @@ The protocol type.
   [
     [[link asio.reference.ip__basic_resolver_query.basic_resolver_query [*basic_resolver_query]]]
     [Construct with specified service name for any protocol. 
-
+     [hr]
      Construct with specified service name for a given protocol. 
-
+     [hr]
      Construct with specified host name and service name for any protocol. 
-
+     [hr]
      Construct with specified host name and service name for a given protocol. ]
   ]
   
@@ -72128,7 +79957,7 @@ The [link asio.reference.ip__basic_resolver_query `ip::basic_resolver_query`] cl
 [section:resolve ip::basic_resolver::resolve]
 
 [indexterm2 asio.indexterm.ip__basic_resolver.resolve..resolve..ip::basic_resolver] 
-(Deprecated.) Perform forward resolution of a query to a list of entries. 
+(Deprecated: Use overload with separate host and service parameters.) Perform forward resolution of a query to a list of entries. 
 
 
   results_type ``[link asio.reference.ip__basic_resolver.resolve.overload1 resolve]``(
@@ -72213,7 +80042,7 @@ Perform reverse resolution of an endpoint to a list of entries.
 [section:overload1 ip::basic_resolver::resolve (1 of 12 overloads)]
 
 
-(Deprecated.) Perform forward resolution of a query to a list of entries. 
+(Deprecated: Use overload with separate host and service parameters.) Perform forward resolution of a query to a list of entries. 
 
 
   results_type resolve(
@@ -72257,7 +80086,7 @@ A range object representing the list of endpoint entries. A successful call to t
 [section:overload2 ip::basic_resolver::resolve (2 of 12 overloads)]
 
 
-(Deprecated.) Perform forward resolution of a query to a list of entries. 
+(Deprecated: Use overload with separate host and service parameters.) Perform forward resolution of a query to a list of entries. 
 
 
   results_type resolve(
@@ -72412,7 +80241,7 @@ This function is used to resolve host and service names into a list of endpoint
 
 [[service][A string identifying the requested service. This may be a descriptive name or a numeric string corresponding to a port number. May be an empty string, in which case all resolved endpoints will have a port number of 0.]]
 
-[[resolve_flags][A set of flags that determine how name resolution should be performed. The default flags are suitable for communication with remote hosts.]]
+[[resolve_flags][A set of flags that determine how name resolution should be performed. The default flags are suitable for communication with remote hosts. See the [link asio.reference.ip__resolver_base `ip::resolver_base`]  documentation for the set of available flags.]]
 
 ]
 
@@ -72468,7 +80297,7 @@ This function is used to resolve host and service names into a list of endpoint
 
 [[service][A string identifying the requested service. This may be a descriptive name or a numeric string corresponding to a port number. May be an empty string, in which case all resolved endpoints will have a port number of 0.]]
 
-[[resolve_flags][A set of flags that determine how name resolution should be performed. The default flags are suitable for communication with remote hosts.]]
+[[resolve_flags][A set of flags that determine how name resolution should be performed. The default flags are suitable for communication with remote hosts. See the [link asio.reference.ip__resolver_base `ip::resolver_base`]  documentation for the set of available flags.]]
 
 [[ec][Set to indicate what error occurred, if any.]]
 
@@ -72621,7 +80450,7 @@ This function is used to resolve host and service names into a list of endpoint
 
 [[service][A string identifying the requested service. This may be a descriptive name or a numeric string corresponding to a port number. May be an empty string, in which case all resolved endpoints will have a port number of 0.]]
 
-[[resolve_flags][A set of flags that determine how name resolution should be performed. The default flags are suitable for communication with remote hosts.]]
+[[resolve_flags][A set of flags that determine how name resolution should be performed. The default flags are suitable for communication with remote hosts. See the [link asio.reference.ip__resolver_base `ip::resolver_base`]  documentation for the set of available flags.]]
 
 ]
 
@@ -72680,7 +80509,7 @@ This function is used to resolve host and service names into a list of endpoint
 
 [[service][A string identifying the requested service. This may be a descriptive name or a numeric string corresponding to a port number. May be an empty string, in which case all resolved endpoints will have a port number of 0.]]
 
-[[resolve_flags][A set of flags that determine how name resolution should be performed. The default flags are suitable for communication with remote hosts.]]
+[[resolve_flags][A set of flags that determine how name resolution should be performed. The default flags are suitable for communication with remote hosts. See the [link asio.reference.ip__resolver_base `ip::resolver_base`]  documentation for the set of available flags.]]
 
 [[ec][Set to indicate what error occurred, if any.]]
 
@@ -72885,9 +80714,9 @@ The results type.
   [
     [[link asio.reference.ip__basic_resolver_results.basic_resolver_results [*basic_resolver_results]]]
     [Default constructor creates an empty range. 
-
+     [hr]
      Copy constructor. 
-
+     [hr]
      Move constructor. ]
   ]
   
@@ -72929,7 +80758,7 @@ The results type.
   [
     [[link asio.reference.ip__basic_resolver_results.operator_plus__plus_ [*operator++]]]
     [Increment operator (prefix). 
-
+     [hr]
      Increment operator (postfix). ]
   ]
   
@@ -72941,7 +80770,7 @@ The results type.
   [
     [[link asio.reference.ip__basic_resolver_results.operator_eq_ [*operator=]]]
     [Assignment operator. 
-
+     [hr]
      Move-assignment operator. ]
   ]
   
@@ -73118,7 +80947,7 @@ An entry produced by a resolver.
   [
     [[link asio.reference.ip__basic_resolver_entry.basic_resolver_entry [*basic_resolver_entry]]]
     [Default constructor. 
-
+     [hr]
      Construct with specified endpoint, host name and service name. ]
   ]
   
@@ -73441,9 +81270,9 @@ An iterator over the entries produced by a resolver.
   [
     [[link asio.reference.ip__basic_resolver_iterator.basic_resolver_iterator [*basic_resolver_iterator]]]
     [Default constructor creates an end iterator. 
-
+     [hr]
      Copy constructor. 
-
+     [hr]
      Move constructor. ]
   ]
   
@@ -73455,7 +81284,7 @@ An iterator over the entries produced by a resolver.
   [
     [[link asio.reference.ip__basic_resolver_iterator.operator_plus__plus_ [*operator++]]]
     [Increment operator (prefix). 
-
+     [hr]
      Increment operator (postfix). ]
   ]
   
@@ -73467,7 +81296,7 @@ An iterator over the entries produced by a resolver.
   [
     [[link asio.reference.ip__basic_resolver_iterator.operator_eq_ [*operator=]]]
     [Assignment operator. 
-
+     [hr]
      Move-assignment operator. ]
   ]
   
@@ -73940,7 +81769,7 @@ The type of the result of applying `operator*()` to the iterator.
   [
     [[link asio.reference.ip__basic_resolver_entry.basic_resolver_entry [*basic_resolver_entry]]]
     [Default constructor. 
-
+     [hr]
      Construct with specified endpoint, host name and service name. ]
   ]
   
@@ -74025,7 +81854,7 @@ The type of the value pointed to by the iterator.
   [
     [[link asio.reference.ip__basic_resolver_entry.basic_resolver_entry [*basic_resolver_entry]]]
     [Default constructor. 
-
+     [hr]
      Construct with specified endpoint, host name and service name. ]
   ]
   
@@ -74127,11 +81956,11 @@ An query to be passed to a resolver.
   [
     [[link asio.reference.ip__basic_resolver_query.basic_resolver_query [*basic_resolver_query]]]
     [Construct with specified service name for any protocol. 
-
+     [hr]
      Construct with specified service name for a given protocol. 
-
+     [hr]
      Construct with specified host name and service name for any protocol. 
-
+     [hr]
      Construct with specified host name and service name for a given protocol. ]
   ]
   
@@ -74725,9 +82554,9 @@ A range of entries produced by a resolver.
   [
     [[link asio.reference.ip__basic_resolver_results.basic_resolver_results [*basic_resolver_results]]]
     [Default constructor creates an empty range. 
-
+     [hr]
      Copy constructor. 
-
+     [hr]
      Move constructor. ]
   ]
   
@@ -74769,7 +82598,7 @@ A range of entries produced by a resolver.
   [
     [[link asio.reference.ip__basic_resolver_results.operator_plus__plus_ [*operator++]]]
     [Increment operator (prefix). 
-
+     [hr]
      Increment operator (postfix). ]
   ]
   
@@ -74781,7 +82610,7 @@ A range of entries produced by a resolver.
   [
     [[link asio.reference.ip__basic_resolver_results.operator_eq_ [*operator=]]]
     [Assignment operator. 
-
+     [hr]
      Move-assignment operator. ]
   ]
   
@@ -75050,9 +82879,9 @@ The type of an iterator into the range.
   [
     [[link asio.reference.ip__basic_resolver_iterator.basic_resolver_iterator [*basic_resolver_iterator]]]
     [Default constructor creates an end iterator. 
-
+     [hr]
      Copy constructor. 
-
+     [hr]
      Move constructor. ]
   ]
   
@@ -75064,7 +82893,7 @@ The type of an iterator into the range.
   [
     [[link asio.reference.ip__basic_resolver_iterator.operator_plus__plus_ [*operator++]]]
     [Increment operator (prefix). 
-
+     [hr]
      Increment operator (postfix). ]
   ]
   
@@ -75076,7 +82905,7 @@ The type of an iterator into the range.
   [
     [[link asio.reference.ip__basic_resolver_iterator.operator_eq_ [*operator=]]]
     [Assignment operator. 
-
+     [hr]
      Move-assignment operator. ]
   ]
   
@@ -75201,7 +83030,7 @@ The type of a const reference to a value in the range.
   [
     [[link asio.reference.ip__basic_resolver_entry.basic_resolver_entry [*basic_resolver_entry]]]
     [Default constructor. 
-
+     [hr]
      Construct with specified endpoint, host name and service name. ]
   ]
   
@@ -75438,9 +83267,9 @@ The type of an iterator into the range.
   [
     [[link asio.reference.ip__basic_resolver_iterator.basic_resolver_iterator [*basic_resolver_iterator]]]
     [Default constructor creates an end iterator. 
-
+     [hr]
      Copy constructor. 
-
+     [hr]
      Move constructor. ]
   ]
   
@@ -75452,7 +83281,7 @@ The type of an iterator into the range.
   [
     [[link asio.reference.ip__basic_resolver_iterator.operator_plus__plus_ [*operator++]]]
     [Increment operator (prefix). 
-
+     [hr]
      Increment operator (postfix). ]
   ]
   
@@ -75464,7 +83293,7 @@ The type of an iterator into the range.
   [
     [[link asio.reference.ip__basic_resolver_iterator.operator_eq_ [*operator=]]]
     [Assignment operator. 
-
+     [hr]
      Move-assignment operator. ]
   ]
   
@@ -75940,7 +83769,7 @@ The type of a non-const reference to a value in the range.
   [
     [[link asio.reference.ip__basic_resolver_entry.basic_resolver_entry [*basic_resolver_entry]]]
     [Default constructor. 
-
+     [hr]
      Construct with specified endpoint, host name and service name. ]
   ]
   
@@ -76045,7 +83874,7 @@ Swap the results range with another.
 The type of a value in the results range. 
 
 
-  typedef basic_resolver_entry< endpoint_type > value_type;
+  typedef basic_resolver_entry< protocol_type > value_type;
 
 
 [heading Types]
@@ -76075,7 +83904,7 @@ The type of a value in the results range.
   [
     [[link asio.reference.ip__basic_resolver_entry.basic_resolver_entry [*basic_resolver_entry]]]
     [Default constructor. 
-
+     [hr]
      Construct with specified endpoint, host name and service name. ]
   ]
   
@@ -76146,7 +83975,6 @@ The [link asio.reference.ip__basic_resolver_entry `ip::basic_resolver_entry`] cl
 [indexterm1 asio.indexterm.ip__host_name..ip::host_name] 
 Get the current host name. 
 
-    
   std::string ``[link asio.reference.ip__host_name.overload1 host_name]``();
   ``  [''''&raquo;''' [link asio.reference.ip__host_name.overload1 more...]]``
 
@@ -76329,20 +84157,20 @@ The type of a ICMP endpoint.
   [
     [[link asio.reference.ip__basic_endpoint.address [*address]]]
     [Get the IP address associated with the endpoint. 
-
+     [hr]
      Set the IP address associated with the endpoint. ]
   ]
   
   [
     [[link asio.reference.ip__basic_endpoint.basic_endpoint [*basic_endpoint]]]
     [Default constructor. 
-
+     [hr]
      Construct an endpoint using a port number, specified in the host's byte order. The IP address will be the any address (i.e. INADDR_ANY or in6addr_any). This constructor would typically be used for accepting new connections. 
-
+     [hr]
      Construct an endpoint using a port number and an IP address. This constructor may be used for accepting connections on a specific interface or for making a connection to a remote endpoint. 
-
+     [hr]
      Copy constructor. 
-
+     [hr]
      Move constructor. ]
   ]
   
@@ -76359,14 +84187,14 @@ The type of a ICMP endpoint.
   [
     [[link asio.reference.ip__basic_endpoint.operator_eq_ [*operator=]]]
     [Assign from another endpoint. 
-
+     [hr]
      Move-assign from another endpoint. ]
   ]
   
   [
     [[link asio.reference.ip__basic_endpoint.port [*port]]]
     [Get the port associated with the endpoint. The port number is always in the host's byte order. 
-
+     [hr]
      Set the port associated with the endpoint. The port number is always in the host's byte order. ]
   ]
   
@@ -76600,17 +84428,19 @@ The ICMP resolver type.
 
   [
     [[link asio.reference.ip__basic_resolver.async_resolve [*async_resolve]]]
-    [(Deprecated.) Asynchronously perform forward resolution of a query to a list of entries. 
-
+    [(Deprecated: Use overload with separate host and service parameters.) Asynchronously perform forward resolution of a query to a list of entries. 
+     [hr]
      Asynchronously perform forward resolution of a query to a list of entries. 
-
+     [hr]
      Asynchronously perform reverse resolution of an endpoint to a list of entries. ]
   ]
   
   [
     [[link asio.reference.ip__basic_resolver.basic_resolver [*basic_resolver]]]
-    [Constructor. 
-
+    [Construct with executor. 
+     [hr]
+     Construct with execution context. 
+     [hr]
      Move-construct a basic_resolver from another. ]
   ]
   
@@ -76624,16 +84454,6 @@ The ICMP resolver type.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.ip__basic_resolver.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.ip__basic_resolver.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.ip__basic_resolver.operator_eq_ [*operator=]]]
     [Move-assign a basic_resolver from another. ]
@@ -76641,10 +84461,10 @@ The ICMP resolver type.
   
   [
     [[link asio.reference.ip__basic_resolver.resolve [*resolve]]]
-    [(Deprecated.) Perform forward resolution of a query to a list of entries. 
-
+    [(Deprecated: Use overload with separate host and service parameters.) Perform forward resolution of a query to a list of entries. 
+     [hr]
      Perform forward resolution of a query to a list of entries. 
-
+     [hr]
      Perform reverse resolution of an endpoint to a list of entries. ]
   ]
   
@@ -76732,6 +84552,13 @@ The ICMP socket type.
 [table
   [[Name][Description]]
 
+  [
+
+    [[link asio.reference.basic_raw_socket__rebind_executor [*rebind_executor]]]
+    [Rebinds the socket type to another executor. ]
+  
+  ]
+
   [
 
     [[link asio.reference.basic_raw_socket.broadcast [*broadcast]]]
@@ -76933,15 +84760,15 @@ The ICMP socket type.
   [
     [[link asio.reference.basic_raw_socket.basic_raw_socket [*basic_raw_socket]]]
     [Construct a basic_raw_socket without opening it. 
-
+     [hr]
      Construct and open a basic_raw_socket. 
-
+     [hr]
      Construct a basic_raw_socket, opening it and binding it to the given local endpoint. 
-
+     [hr]
      Construct a basic_raw_socket on an existing native socket. 
-
+     [hr]
      Move-construct a basic_raw_socket from another. 
-
+     [hr]
      Move-construct a basic_raw_socket from a socket of another protocol type. ]
   ]
   
@@ -76970,16 +84797,6 @@ The ICMP socket type.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_raw_socket.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_raw_socket.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_raw_socket.get_option [*get_option]]]
     [Get an option from the socket. ]
@@ -77003,7 +84820,7 @@ The ICMP socket type.
   [
     [[link asio.reference.basic_raw_socket.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
@@ -77015,14 +84832,14 @@ The ICMP socket type.
   [
     [[link asio.reference.basic_raw_socket.native_non_blocking [*native_non_blocking]]]
     [Gets the non-blocking mode of the native socket implementation. 
-
+     [hr]
      Sets the non-blocking mode of the native socket implementation. ]
   ]
   
   [
     [[link asio.reference.basic_raw_socket.non_blocking [*non_blocking]]]
     [Gets the non-blocking mode of the socket. 
-
+     [hr]
      Sets the non-blocking mode of the socket. ]
   ]
   
@@ -77034,7 +84851,7 @@ The ICMP socket type.
   [
     [[link asio.reference.basic_raw_socket.operator_eq_ [*operator=]]]
     [Move-assign a basic_raw_socket from another. 
-
+     [hr]
      Move-assign a basic_raw_socket from a socket of another protocol type. ]
   ]
   
@@ -77126,6 +84943,17 @@ The ICMP socket type.
 
 ]
 
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_raw_socket.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
 The [link asio.reference.basic_raw_socket `basic_raw_socket`] class template provides asynchronous and blocking raw-oriented socket functionality.
 
 
@@ -77211,7 +85039,7 @@ Implements the IPPROTO\_IP/IP\_MULTICAST\_LOOP socket option.
   
 Setting the option: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::ip::multicast::enable_loopback option(true);
    socket.set_option(option);
@@ -77222,7 +85050,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::ip::multicast::enable_loopback option;
    socket.get_option(option);
@@ -77262,7 +85090,7 @@ Implements the IPPROTO\_IP/IP\_MULTICAST\_TTL socket option.
   
 Setting the option: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::ip::multicast::hops option(4);
    socket.set_option(option);
@@ -77273,7 +85101,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::ip::multicast::hops option;
    socket.get_option(option);
@@ -77313,7 +85141,7 @@ Implements the IPPROTO\_IP/IP\_ADD\_MEMBERSHIP socket option.
   
 Setting the option to join a multicast group: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::ip::address multicast_address =
      asio::ip::address::from_string("225.0.0.1");
@@ -77354,7 +85182,7 @@ Implements the IPPROTO\_IP/IP\_DROP\_MEMBERSHIP socket option.
   
 Setting the option to leave a multicast group: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::ip::address multicast_address =
      asio::ip::address::from_string("225.0.0.1");
@@ -77395,7 +85223,7 @@ Implements the IPPROTO\_IP/IP\_MULTICAST\_IF socket option.
   
 Setting the option: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::ip::address_v4 local_interface =
      asio::ip::address_v4::from_string("1.2.3.4");
@@ -77474,11 +85302,11 @@ Represents an IPv4 network.
   [
     [[link asio.reference.ip__network_v4.network_v4 [*network_v4]]]
     [Default constructor. 
-
+     [hr]
      Construct a network based on the specified address and prefix length. 
-
+     [hr]
      Construct network based on the specified address and netmask. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -78048,9 +85876,9 @@ Represents an IPv6 network.
   [
     [[link asio.reference.ip__network_v6.network_v6 [*network_v6]]]
     [Default constructor. 
-
+     [hr]
      Construct a network based on the specified address and prefix length. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -79263,7 +87091,7 @@ The TCP acceptor type.
   [
     [[link asio.reference.basic_socket_acceptor.accept [*accept]]]
     [Accept a new connection. 
-
+     [hr]
      Accept a new connection and obtain the endpoint of the peer. ]
   ]
   
@@ -79285,15 +87113,15 @@ The TCP acceptor type.
   [
     [[link asio.reference.basic_socket_acceptor.basic_socket_acceptor [*basic_socket_acceptor]]]
     [Construct an acceptor without opening it. 
-
+     [hr]
      Construct an open acceptor. 
-
+     [hr]
      Construct an acceptor opened on the given endpoint. 
-
+     [hr]
      Construct a basic_socket_acceptor on an existing native acceptor. 
-
+     [hr]
      Move-construct a basic_socket_acceptor from another. 
-
+     [hr]
      Move-construct a basic_socket_acceptor from an acceptor of another protocol type. ]
   ]
   
@@ -79317,16 +87145,6 @@ The TCP acceptor type.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_socket_acceptor.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_socket_acceptor.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_socket_acceptor.get_option [*get_option]]]
     [Get an option from the acceptor. ]
@@ -79360,14 +87178,14 @@ The TCP acceptor type.
   [
     [[link asio.reference.basic_socket_acceptor.native_non_blocking [*native_non_blocking]]]
     [Gets the non-blocking mode of the native acceptor implementation. 
-
+     [hr]
      Sets the non-blocking mode of the native acceptor implementation. ]
   ]
   
   [
     [[link asio.reference.basic_socket_acceptor.non_blocking [*non_blocking]]]
     [Gets the non-blocking mode of the acceptor. 
-
+     [hr]
      Sets the non-blocking mode of the acceptor. ]
   ]
   
@@ -79379,7 +87197,7 @@ The TCP acceptor type.
   [
     [[link asio.reference.basic_socket_acceptor.operator_eq_ [*operator=]]]
     [Move-assign a basic_socket_acceptor from another. 
-
+     [hr]
      Move-assign a basic_socket_acceptor from an acceptor of another protocol type. ]
   ]
   
@@ -79455,7 +87273,7 @@ The [link asio.reference.basic_socket_acceptor `basic_socket_acceptor`] class te
   
 Opening a socket acceptor with the SO\_REUSEADDR option enabled: 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    asio::ip::tcp::endpoint endpoint(asio::ip::tcp::v4(), port);
    acceptor.open(endpoint.protocol());
    acceptor.set_option(asio::ip::tcp::acceptor::reuse_address(true));
@@ -79515,20 +87333,20 @@ The type of a TCP endpoint.
   [
     [[link asio.reference.ip__basic_endpoint.address [*address]]]
     [Get the IP address associated with the endpoint. 
-
+     [hr]
      Set the IP address associated with the endpoint. ]
   ]
   
   [
     [[link asio.reference.ip__basic_endpoint.basic_endpoint [*basic_endpoint]]]
     [Default constructor. 
-
+     [hr]
      Construct an endpoint using a port number, specified in the host's byte order. The IP address will be the any address (i.e. INADDR_ANY or in6addr_any). This constructor would typically be used for accepting new connections. 
-
+     [hr]
      Construct an endpoint using a port number and an IP address. This constructor may be used for accepting connections on a specific interface or for making a connection to a remote endpoint. 
-
+     [hr]
      Copy constructor. 
-
+     [hr]
      Move constructor. ]
   ]
   
@@ -79545,14 +87363,14 @@ The type of a TCP endpoint.
   [
     [[link asio.reference.ip__basic_endpoint.operator_eq_ [*operator=]]]
     [Assign from another endpoint. 
-
+     [hr]
      Move-assign from another endpoint. ]
   ]
   
   [
     [[link asio.reference.ip__basic_endpoint.port [*port]]]
     [Get the port associated with the endpoint. The port number is always in the host's byte order. 
-
+     [hr]
      Set the port associated with the endpoint. The port number is always in the host's byte order. ]
   ]
   
@@ -79729,11 +87547,11 @@ The TCP iostream type.
   [
     [[link asio.reference.basic_socket_iostream.basic_socket_iostream [*basic_socket_iostream]]]
     [Construct a basic_socket_iostream without establishing a connection. 
-
+     [hr]
      Construct a basic_socket_iostream from the supplied socket. 
-
+     [hr]
      Move-construct a basic_socket_iostream from another. 
-
+     [hr]
      Establish a connection to an endpoint corresponding to a resolver query. ]
   ]
   
@@ -79760,14 +87578,14 @@ The TCP iostream type.
   [
     [[link asio.reference.basic_socket_iostream.expires_at [*expires_at]]]
     [(Deprecated: Use expiry().) Get the stream's expiry time as an absolute time. 
-
+     [hr]
      Set the stream's expiry time as an absolute time. ]
   ]
   
   [
     [[link asio.reference.basic_socket_iostream.expires_from_now [*expires_from_now]]]
     [(Deprecated: Use expiry().) Get the stream's expiry time relative to now. 
-
+     [hr]
      (Deprecated: Use expires_after().) Set the stream's expiry time relative to now. ]
   ]
   
@@ -79822,7 +87640,7 @@ Implements the IPPROTO\_TCP/TCP\_NODELAY socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::no_delay option(true);
    socket.set_option(option);
@@ -79833,7 +87651,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::tcp::no_delay option;
    socket.get_option(option);
@@ -79984,17 +87802,19 @@ The TCP resolver type.
 
   [
     [[link asio.reference.ip__basic_resolver.async_resolve [*async_resolve]]]
-    [(Deprecated.) Asynchronously perform forward resolution of a query to a list of entries. 
-
+    [(Deprecated: Use overload with separate host and service parameters.) Asynchronously perform forward resolution of a query to a list of entries. 
+     [hr]
      Asynchronously perform forward resolution of a query to a list of entries. 
-
+     [hr]
      Asynchronously perform reverse resolution of an endpoint to a list of entries. ]
   ]
   
   [
     [[link asio.reference.ip__basic_resolver.basic_resolver [*basic_resolver]]]
-    [Constructor. 
-
+    [Construct with executor. 
+     [hr]
+     Construct with execution context. 
+     [hr]
      Move-construct a basic_resolver from another. ]
   ]
   
@@ -80008,16 +87828,6 @@ The TCP resolver type.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.ip__basic_resolver.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.ip__basic_resolver.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.ip__basic_resolver.operator_eq_ [*operator=]]]
     [Move-assign a basic_resolver from another. ]
@@ -80025,10 +87835,10 @@ The TCP resolver type.
   
   [
     [[link asio.reference.ip__basic_resolver.resolve [*resolve]]]
-    [(Deprecated.) Perform forward resolution of a query to a list of entries. 
-
+    [(Deprecated: Use overload with separate host and service parameters.) Perform forward resolution of a query to a list of entries. 
+     [hr]
      Perform forward resolution of a query to a list of entries. 
-
+     [hr]
      Perform reverse resolution of an endpoint to a list of entries. ]
   ]
   
@@ -80116,6 +87926,13 @@ The TCP socket type.
 [table
   [[Name][Description]]
 
+  [
+
+    [[link asio.reference.basic_stream_socket__rebind_executor [*rebind_executor]]]
+    [Rebinds the socket type to another executor. ]
+  
+  ]
+
   [
 
     [[link asio.reference.basic_stream_socket.broadcast [*broadcast]]]
@@ -80317,15 +88134,15 @@ The TCP socket type.
   [
     [[link asio.reference.basic_stream_socket.basic_stream_socket [*basic_stream_socket]]]
     [Construct a basic_stream_socket without opening it. 
-
+     [hr]
      Construct and open a basic_stream_socket. 
-
+     [hr]
      Construct a basic_stream_socket, opening it and binding it to the given local endpoint. 
-
+     [hr]
      Construct a basic_stream_socket on an existing native socket. 
-
+     [hr]
      Move-construct a basic_stream_socket from another. 
-
+     [hr]
      Move-construct a basic_stream_socket from a socket of another protocol type. ]
   ]
   
@@ -80354,16 +88171,6 @@ The TCP socket type.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_stream_socket.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_stream_socket.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_stream_socket.get_option [*get_option]]]
     [Get an option from the socket. ]
@@ -80387,7 +88194,7 @@ The TCP socket type.
   [
     [[link asio.reference.basic_stream_socket.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
@@ -80399,14 +88206,14 @@ The TCP socket type.
   [
     [[link asio.reference.basic_stream_socket.native_non_blocking [*native_non_blocking]]]
     [Gets the non-blocking mode of the native socket implementation. 
-
+     [hr]
      Sets the non-blocking mode of the native socket implementation. ]
   ]
   
   [
     [[link asio.reference.basic_stream_socket.non_blocking [*non_blocking]]]
     [Gets the non-blocking mode of the socket. 
-
+     [hr]
      Sets the non-blocking mode of the socket. ]
   ]
   
@@ -80418,7 +88225,7 @@ The TCP socket type.
   [
     [[link asio.reference.basic_stream_socket.operator_eq_ [*operator=]]]
     [Move-assign a basic_stream_socket from another. 
-
+     [hr]
      Move-assign a basic_stream_socket from a socket of another protocol type. ]
   ]
   
@@ -80430,7 +88237,7 @@ The TCP socket type.
   [
     [[link asio.reference.basic_stream_socket.receive [*receive]]]
     [Receive some data on the socket. 
-
+     [hr]
      Receive some data on a connected socket. ]
   ]
   
@@ -80512,6 +88319,17 @@ The TCP socket type.
 
 ]
 
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_stream_socket.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
 The [link asio.reference.basic_stream_socket `basic_stream_socket`] class template provides asynchronous and blocking stream-oriented socket functionality.
 
 
@@ -80718,20 +88536,20 @@ The type of a UDP endpoint.
   [
     [[link asio.reference.ip__basic_endpoint.address [*address]]]
     [Get the IP address associated with the endpoint. 
-
+     [hr]
      Set the IP address associated with the endpoint. ]
   ]
   
   [
     [[link asio.reference.ip__basic_endpoint.basic_endpoint [*basic_endpoint]]]
     [Default constructor. 
-
+     [hr]
      Construct an endpoint using a port number, specified in the host's byte order. The IP address will be the any address (i.e. INADDR_ANY or in6addr_any). This constructor would typically be used for accepting new connections. 
-
+     [hr]
      Construct an endpoint using a port number and an IP address. This constructor may be used for accepting connections on a specific interface or for making a connection to a remote endpoint. 
-
+     [hr]
      Copy constructor. 
-
+     [hr]
      Move constructor. ]
   ]
   
@@ -80748,14 +88566,14 @@ The type of a UDP endpoint.
   [
     [[link asio.reference.ip__basic_endpoint.operator_eq_ [*operator=]]]
     [Assign from another endpoint. 
-
+     [hr]
      Move-assign from another endpoint. ]
   ]
   
   [
     [[link asio.reference.ip__basic_endpoint.port [*port]]]
     [Get the port associated with the endpoint. The port number is always in the host's byte order. 
-
+     [hr]
      Set the port associated with the endpoint. The port number is always in the host's byte order. ]
   ]
   
@@ -80989,17 +88807,19 @@ The UDP resolver type.
 
   [
     [[link asio.reference.ip__basic_resolver.async_resolve [*async_resolve]]]
-    [(Deprecated.) Asynchronously perform forward resolution of a query to a list of entries. 
-
+    [(Deprecated: Use overload with separate host and service parameters.) Asynchronously perform forward resolution of a query to a list of entries. 
+     [hr]
      Asynchronously perform forward resolution of a query to a list of entries. 
-
+     [hr]
      Asynchronously perform reverse resolution of an endpoint to a list of entries. ]
   ]
   
   [
     [[link asio.reference.ip__basic_resolver.basic_resolver [*basic_resolver]]]
-    [Constructor. 
-
+    [Construct with executor. 
+     [hr]
+     Construct with execution context. 
+     [hr]
      Move-construct a basic_resolver from another. ]
   ]
   
@@ -81013,16 +88833,6 @@ The UDP resolver type.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.ip__basic_resolver.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.ip__basic_resolver.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.ip__basic_resolver.operator_eq_ [*operator=]]]
     [Move-assign a basic_resolver from another. ]
@@ -81030,10 +88840,10 @@ The UDP resolver type.
   
   [
     [[link asio.reference.ip__basic_resolver.resolve [*resolve]]]
-    [(Deprecated.) Perform forward resolution of a query to a list of entries. 
-
+    [(Deprecated: Use overload with separate host and service parameters.) Perform forward resolution of a query to a list of entries. 
+     [hr]
      Perform forward resolution of a query to a list of entries. 
-
+     [hr]
      Perform reverse resolution of an endpoint to a list of entries. ]
   ]
   
@@ -81121,6 +88931,13 @@ The UDP socket type.
 [table
   [[Name][Description]]
 
+  [
+
+    [[link asio.reference.basic_datagram_socket__rebind_executor [*rebind_executor]]]
+    [Rebinds the socket type to another executor. ]
+  
+  ]
+
   [
 
     [[link asio.reference.basic_datagram_socket.broadcast [*broadcast]]]
@@ -81322,15 +89139,15 @@ The UDP socket type.
   [
     [[link asio.reference.basic_datagram_socket.basic_datagram_socket [*basic_datagram_socket]]]
     [Construct a basic_datagram_socket without opening it. 
-
+     [hr]
      Construct and open a basic_datagram_socket. 
-
+     [hr]
      Construct a basic_datagram_socket, opening it and binding it to the given local endpoint. 
-
+     [hr]
      Construct a basic_datagram_socket on an existing native socket. 
-
+     [hr]
      Move-construct a basic_datagram_socket from another. 
-
+     [hr]
      Move-construct a basic_datagram_socket from a socket of another protocol type. ]
   ]
   
@@ -81359,16 +89176,6 @@ The UDP socket type.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_datagram_socket.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_datagram_socket.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_datagram_socket.get_option [*get_option]]]
     [Get an option from the socket. ]
@@ -81392,7 +89199,7 @@ The UDP socket type.
   [
     [[link asio.reference.basic_datagram_socket.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
@@ -81404,14 +89211,14 @@ The UDP socket type.
   [
     [[link asio.reference.basic_datagram_socket.native_non_blocking [*native_non_blocking]]]
     [Gets the non-blocking mode of the native socket implementation. 
-
+     [hr]
      Sets the non-blocking mode of the native socket implementation. ]
   ]
   
   [
     [[link asio.reference.basic_datagram_socket.non_blocking [*non_blocking]]]
     [Gets the non-blocking mode of the socket. 
-
+     [hr]
      Sets the non-blocking mode of the socket. ]
   ]
   
@@ -81423,7 +89230,7 @@ The UDP socket type.
   [
     [[link asio.reference.basic_datagram_socket.operator_eq_ [*operator=]]]
     [Move-assign a basic_datagram_socket from another. 
-
+     [hr]
      Move-assign a basic_datagram_socket from a socket of another protocol type. ]
   ]
   
@@ -81515,6 +89322,17 @@ The UDP socket type.
 
 ]
 
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_datagram_socket.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
 The [link asio.reference.basic_datagram_socket `basic_datagram_socket`] class template provides asynchronous and blocking datagram-oriented socket functionality.
 
 
@@ -81600,7 +89418,7 @@ Implements the IPPROTO\_IP/IP\_UNICAST\_TTL socket option.
   
 Setting the option: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::ip::unicast::hops option(4);
    socket.set_option(option);
@@ -81611,7 +89429,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::ip::unicast::hops option;
    socket.get_option(option);
@@ -81683,7 +89501,7 @@ Implements the IPPROTO\_IPV6/IP\_V6ONLY socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::v6_only option(true);
    socket.set_option(option);
@@ -81694,7 +89512,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::ip::v6_only option;
    socket.get_option(option);
@@ -81747,6 +89565,48 @@ Trait to determine whether a type satisfies the DynamicBuffer requirements.
   struct is_dynamic_buffer
 
 
+If `ASIO_NO_DYNAMIC_BUFFER_V1` is not defined, determines whether the type satisfies the DynamicBuffer\_v1 requirements. Otherwise, if `ASIO_NO_DYNAMIC_BUFFER_V1` is defined, determines whether the type satisfies the DynamicBuffer\_v1 requirements. 
+
+[heading Requirements]
+
+['Header: ][^asio/buffer.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+[section:is_dynamic_buffer_v1 is_dynamic_buffer_v1]
+
+
+Trait to determine whether a type satisfies the DynamicBuffer\_v1 requirements. 
+
+
+  template<
+      typename T>
+  struct is_dynamic_buffer_v1
+
+
+[heading Requirements]
+
+['Header: ][^asio/buffer.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+[section:is_dynamic_buffer_v2 is_dynamic_buffer_v2]
+
+
+Trait to determine whether a type satisfies the DynamicBuffer\_v2 requirements. 
+
+
+  template<
+      typename T>
+  struct is_dynamic_buffer_v2
+
+
 [heading Requirements]
 
 ['Header: ][^asio/buffer.hpp]
@@ -82016,9 +89876,9 @@ Describes an endpoint for a UNIX socket.
   [
     [[link asio.reference.local__basic_endpoint.basic_endpoint [*basic_endpoint]]]
     [Default constructor. 
-
+     [hr]
      Construct an endpoint using the specified path name. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -82040,7 +89900,7 @@ Describes an endpoint for a UNIX socket.
   [
     [[link asio.reference.local__basic_endpoint.path [*path]]]
     [Get the path associated with the endpoint. 
-
+     [hr]
      Set the path associated with the endpoint. ]
   ]
   
@@ -82616,19 +90476,22 @@ Get the underlying size of the endpoint in the native type.
 [indexterm1 asio.indexterm.local__connect_pair..local::connect_pair] 
 Create a pair of connected sockets. 
 
-    
   template<
-      typename ``[link asio.reference.Protocol Protocol]``>
+      typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor1]``,
+      typename ``[link asio.reference.Executor1 Executor2]``>
   void ``[link asio.reference.local__connect_pair.overload1 connect_pair]``(
-      basic_socket< Protocol > & socket1,
-      basic_socket< Protocol > & socket2);
+      basic_socket< Protocol, Executor1 > & socket1,
+      basic_socket< Protocol, Executor2 > & socket2);
   ``  [''''&raquo;''' [link asio.reference.local__connect_pair.overload1 more...]]``
 
   template<
-      typename ``[link asio.reference.Protocol Protocol]``>
+      typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor1]``,
+      typename ``[link asio.reference.Executor1 Executor2]``>
   void ``[link asio.reference.local__connect_pair.overload2 connect_pair]``(
-      basic_socket< Protocol > & socket1,
-      basic_socket< Protocol > & socket2,
+      basic_socket< Protocol, Executor1 > & socket1,
+      basic_socket< Protocol, Executor2 > & socket2,
       asio::error_code & ec);
   ``  [''''&raquo;''' [link asio.reference.local__connect_pair.overload2 more...]]``
 
@@ -82646,10 +90509,12 @@ Create a pair of connected sockets.
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol]``>
+      typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor1]``,
+      typename ``[link asio.reference.Executor1 Executor2]``>
   void connect_pair(
-      basic_socket< Protocol > & socket1,
-      basic_socket< Protocol > & socket2);
+      basic_socket< Protocol, Executor1 > & socket1,
+      basic_socket< Protocol, Executor2 > & socket2);
 
 
 
@@ -82664,10 +90529,12 @@ Create a pair of connected sockets.
 
 
   template<
-      typename ``[link asio.reference.Protocol Protocol]``>
+      typename ``[link asio.reference.Protocol Protocol]``,
+      typename ``[link asio.reference.Executor1 Executor1]``,
+      typename ``[link asio.reference.Executor1 Executor2]``>
   void connect_pair(
-      basic_socket< Protocol > & socket1,
-      basic_socket< Protocol > & socket2,
+      basic_socket< Protocol, Executor1 > & socket1,
+      basic_socket< Protocol, Executor2 > & socket2,
       asio::error_code & ec);
 
 
@@ -82782,9 +90649,9 @@ The type of a UNIX domain endpoint.
   [
     [[link asio.reference.local__basic_endpoint.basic_endpoint [*basic_endpoint]]]
     [Default constructor. 
-
+     [hr]
      Construct an endpoint using the specified path name. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -82806,7 +90673,7 @@ The type of a UNIX domain endpoint.
   [
     [[link asio.reference.local__basic_endpoint.path [*path]]]
     [Get the path associated with the endpoint. 
-
+     [hr]
      Set the path associated with the endpoint. ]
   ]
   
@@ -82939,6 +90806,13 @@ The UNIX domain socket type.
 [table
   [[Name][Description]]
 
+  [
+
+    [[link asio.reference.basic_datagram_socket__rebind_executor [*rebind_executor]]]
+    [Rebinds the socket type to another executor. ]
+  
+  ]
+
   [
 
     [[link asio.reference.basic_datagram_socket.broadcast [*broadcast]]]
@@ -83140,15 +91014,15 @@ The UNIX domain socket type.
   [
     [[link asio.reference.basic_datagram_socket.basic_datagram_socket [*basic_datagram_socket]]]
     [Construct a basic_datagram_socket without opening it. 
-
+     [hr]
      Construct and open a basic_datagram_socket. 
-
+     [hr]
      Construct a basic_datagram_socket, opening it and binding it to the given local endpoint. 
-
+     [hr]
      Construct a basic_datagram_socket on an existing native socket. 
-
+     [hr]
      Move-construct a basic_datagram_socket from another. 
-
+     [hr]
      Move-construct a basic_datagram_socket from a socket of another protocol type. ]
   ]
   
@@ -83177,16 +91051,6 @@ The UNIX domain socket type.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_datagram_socket.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_datagram_socket.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_datagram_socket.get_option [*get_option]]]
     [Get an option from the socket. ]
@@ -83210,7 +91074,7 @@ The UNIX domain socket type.
   [
     [[link asio.reference.basic_datagram_socket.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
@@ -83222,14 +91086,14 @@ The UNIX domain socket type.
   [
     [[link asio.reference.basic_datagram_socket.native_non_blocking [*native_non_blocking]]]
     [Gets the non-blocking mode of the native socket implementation. 
-
+     [hr]
      Sets the non-blocking mode of the native socket implementation. ]
   ]
   
   [
     [[link asio.reference.basic_datagram_socket.non_blocking [*non_blocking]]]
     [Gets the non-blocking mode of the socket. 
-
+     [hr]
      Sets the non-blocking mode of the socket. ]
   ]
   
@@ -83241,7 +91105,7 @@ The UNIX domain socket type.
   [
     [[link asio.reference.basic_datagram_socket.operator_eq_ [*operator=]]]
     [Move-assign a basic_datagram_socket from another. 
-
+     [hr]
      Move-assign a basic_datagram_socket from a socket of another protocol type. ]
   ]
   
@@ -83333,6 +91197,17 @@ The UNIX domain socket type.
 
 ]
 
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_datagram_socket.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
 The [link asio.reference.basic_datagram_socket `basic_datagram_socket`] class template provides asynchronous and blocking datagram-oriented socket functionality.
 
 
@@ -83617,7 +91492,7 @@ The UNIX domain acceptor type.
   [
     [[link asio.reference.basic_socket_acceptor.accept [*accept]]]
     [Accept a new connection. 
-
+     [hr]
      Accept a new connection and obtain the endpoint of the peer. ]
   ]
   
@@ -83639,15 +91514,15 @@ The UNIX domain acceptor type.
   [
     [[link asio.reference.basic_socket_acceptor.basic_socket_acceptor [*basic_socket_acceptor]]]
     [Construct an acceptor without opening it. 
-
+     [hr]
      Construct an open acceptor. 
-
+     [hr]
      Construct an acceptor opened on the given endpoint. 
-
+     [hr]
      Construct a basic_socket_acceptor on an existing native acceptor. 
-
+     [hr]
      Move-construct a basic_socket_acceptor from another. 
-
+     [hr]
      Move-construct a basic_socket_acceptor from an acceptor of another protocol type. ]
   ]
   
@@ -83671,16 +91546,6 @@ The UNIX domain acceptor type.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_socket_acceptor.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_socket_acceptor.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_socket_acceptor.get_option [*get_option]]]
     [Get an option from the acceptor. ]
@@ -83714,14 +91579,14 @@ The UNIX domain acceptor type.
   [
     [[link asio.reference.basic_socket_acceptor.native_non_blocking [*native_non_blocking]]]
     [Gets the non-blocking mode of the native acceptor implementation. 
-
+     [hr]
      Sets the non-blocking mode of the native acceptor implementation. ]
   ]
   
   [
     [[link asio.reference.basic_socket_acceptor.non_blocking [*non_blocking]]]
     [Gets the non-blocking mode of the acceptor. 
-
+     [hr]
      Sets the non-blocking mode of the acceptor. ]
   ]
   
@@ -83733,7 +91598,7 @@ The UNIX domain acceptor type.
   [
     [[link asio.reference.basic_socket_acceptor.operator_eq_ [*operator=]]]
     [Move-assign a basic_socket_acceptor from another. 
-
+     [hr]
      Move-assign a basic_socket_acceptor from an acceptor of another protocol type. ]
   ]
   
@@ -83809,7 +91674,7 @@ The [link asio.reference.basic_socket_acceptor `basic_socket_acceptor`] class te
   
 Opening a socket acceptor with the SO\_REUSEADDR option enabled: 
 
-   asio::ip::tcp::acceptor acceptor(io_context);
+   asio::ip::tcp::acceptor acceptor(my_context);
    asio::ip::tcp::endpoint endpoint(asio::ip::tcp::v4(), port);
    acceptor.open(endpoint.protocol());
    acceptor.set_option(asio::ip::tcp::acceptor::reuse_address(true));
@@ -83869,9 +91734,9 @@ The type of a UNIX domain endpoint.
   [
     [[link asio.reference.local__basic_endpoint.basic_endpoint [*basic_endpoint]]]
     [Default constructor. 
-
+     [hr]
      Construct an endpoint using the specified path name. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -83893,7 +91758,7 @@ The type of a UNIX domain endpoint.
   [
     [[link asio.reference.local__basic_endpoint.path [*path]]]
     [Get the path associated with the endpoint. 
-
+     [hr]
      Set the path associated with the endpoint. ]
   ]
   
@@ -84070,11 +91935,11 @@ The UNIX domain iostream type.
   [
     [[link asio.reference.basic_socket_iostream.basic_socket_iostream [*basic_socket_iostream]]]
     [Construct a basic_socket_iostream without establishing a connection. 
-
+     [hr]
      Construct a basic_socket_iostream from the supplied socket. 
-
+     [hr]
      Move-construct a basic_socket_iostream from another. 
-
+     [hr]
      Establish a connection to an endpoint corresponding to a resolver query. ]
   ]
   
@@ -84101,14 +91966,14 @@ The UNIX domain iostream type.
   [
     [[link asio.reference.basic_socket_iostream.expires_at [*expires_at]]]
     [(Deprecated: Use expiry().) Get the stream's expiry time as an absolute time. 
-
+     [hr]
      Set the stream's expiry time as an absolute time. ]
   ]
   
   [
     [[link asio.reference.basic_socket_iostream.expires_from_now [*expires_from_now]]]
     [(Deprecated: Use expiry().) Get the stream's expiry time relative to now. 
-
+     [hr]
      (Deprecated: Use expires_after().) Set the stream's expiry time relative to now. ]
   ]
   
@@ -84173,6 +92038,13 @@ The UNIX domain socket type.
 [table
   [[Name][Description]]
 
+  [
+
+    [[link asio.reference.basic_stream_socket__rebind_executor [*rebind_executor]]]
+    [Rebinds the socket type to another executor. ]
+  
+  ]
+
   [
 
     [[link asio.reference.basic_stream_socket.broadcast [*broadcast]]]
@@ -84374,15 +92246,15 @@ The UNIX domain socket type.
   [
     [[link asio.reference.basic_stream_socket.basic_stream_socket [*basic_stream_socket]]]
     [Construct a basic_stream_socket without opening it. 
-
+     [hr]
      Construct and open a basic_stream_socket. 
-
+     [hr]
      Construct a basic_stream_socket, opening it and binding it to the given local endpoint. 
-
+     [hr]
      Construct a basic_stream_socket on an existing native socket. 
-
+     [hr]
      Move-construct a basic_stream_socket from another. 
-
+     [hr]
      Move-construct a basic_stream_socket from a socket of another protocol type. ]
   ]
   
@@ -84411,16 +92283,6 @@ The UNIX domain socket type.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_stream_socket.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_stream_socket.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_stream_socket.get_option [*get_option]]]
     [Get an option from the socket. ]
@@ -84444,7 +92306,7 @@ The UNIX domain socket type.
   [
     [[link asio.reference.basic_stream_socket.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
@@ -84456,14 +92318,14 @@ The UNIX domain socket type.
   [
     [[link asio.reference.basic_stream_socket.native_non_blocking [*native_non_blocking]]]
     [Gets the non-blocking mode of the native socket implementation. 
-
+     [hr]
      Sets the non-blocking mode of the native socket implementation. ]
   ]
   
   [
     [[link asio.reference.basic_stream_socket.non_blocking [*non_blocking]]]
     [Gets the non-blocking mode of the socket. 
-
+     [hr]
      Sets the non-blocking mode of the socket. ]
   ]
   
@@ -84475,7 +92337,7 @@ The UNIX domain socket type.
   [
     [[link asio.reference.basic_stream_socket.operator_eq_ [*operator=]]]
     [Move-assign a basic_stream_socket from another. 
-
+     [hr]
      Move-assign a basic_stream_socket from a socket of another protocol type. ]
   ]
   
@@ -84487,7 +92349,7 @@ The UNIX domain socket type.
   [
     [[link asio.reference.basic_stream_socket.receive [*receive]]]
     [Receive some data on the socket. 
-
+     [hr]
      Receive some data on a connected socket. ]
   ]
   
@@ -84569,6 +92431,17 @@ The UNIX domain socket type.
 
 ]
 
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.basic_stream_socket.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
 The [link asio.reference.basic_stream_socket `basic_stream_socket`] class template provides asynchronous and blocking stream-oriented socket functionality.
 
 
@@ -84607,6 +92480,74 @@ Obtain an identifier for the type of the protocol.
 
 
 
+[endsect]
+
+[section:make_strand make_strand]
+
+[indexterm1 asio.indexterm.make_strand..make_strand] 
+The `asio::make_strand` function creates a [link asio.reference.strand `strand`]  object for an executor or execution context. 
+
+
+Create a [link asio.reference.strand `strand`]  object for an executor. 
+
+  template<
+      typename ``[link asio.reference.Executor1 Executor]``>
+  strand< Executor > ``[link asio.reference.make_strand.overload1 make_strand]``(
+      const Executor & ex,
+      typename enable_if< is_executor< Executor >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.make_strand.overload1 more...]]``
+
+Create a [link asio.reference.strand `strand`]  object for an execution context. 
+
+  template<
+      typename ExecutionContext>
+  strand< typename ExecutionContext::executor_type > ``[link asio.reference.make_strand.overload2 make_strand]``(
+      ExecutionContext & ctx,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.make_strand.overload2 more...]]``
+
+[heading Requirements]
+
+['Header: ][^asio/strand.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[section:overload1 make_strand (1 of 2 overloads)]
+
+
+Create a [link asio.reference.strand `strand`]  object for an executor. 
+
+
+  template<
+      typename ``[link asio.reference.Executor1 Executor]``>
+  strand< Executor > make_strand(
+      const Executor & ex,
+      typename enable_if< is_executor< Executor >::value >::type *  = 0);
+
+
+
+[endsect]
+
+
+
+[section:overload2 make_strand (2 of 2 overloads)]
+
+
+Create a [link asio.reference.strand `strand`]  object for an execution context. 
+
+
+  template<
+      typename ExecutionContext>
+  strand< typename ExecutionContext::executor_type > make_strand(
+      ExecutionContext & ctx,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+
+[endsect]
+
+
 [endsect]
 
 [section:make_work_guard make_work_guard]
@@ -84614,7 +92555,6 @@ Obtain an identifier for the type of the protocol.
 [indexterm1 asio.indexterm.make_work_guard..make_work_guard] 
 Create an [link asio.reference.executor_work_guard `executor_work_guard`]  object. 
 
-    
   template<
       typename ``[link asio.reference.Executor1 Executor]``>
   executor_work_guard< Executor > ``[link asio.reference.make_work_guard.overload1 make_work_guard]``(
@@ -84651,7 +92591,7 @@ Create an [link asio.reference.executor_work_guard `executor_work_guard`]  objec
   executor_work_guard< typename associated_executor< T, typename ExecutionContext::executor_type >::type > ``[link asio.reference.make_work_guard.overload5 make_work_guard]``(
       const T & t,
       ExecutionContext & ctx,
-      typename enable_if<!is_executor< T >::value &&!is_convertible< T &, execution_context & >::value >::type *  = 0);
+      typename enable_if<!is_executor< T >::value &&!is_convertible< T &, execution_context & >::value &&is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.make_work_guard.overload5 more...]]``
 
 [heading Requirements]
@@ -84747,7 +92687,7 @@ Create an [link asio.reference.executor_work_guard `executor_work_guard`]  objec
   executor_work_guard< typename associated_executor< T, typename ExecutionContext::executor_type >::type > make_work_guard(
       const T & t,
       ExecutionContext & ctx,
-      typename enable_if<!is_executor< T >::value &&!is_convertible< T &, execution_context & >::value >::type *  = 0);
+      typename enable_if<!is_executor< T >::value &&!is_convertible< T &, execution_context & >::value &&is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
 
 
 
@@ -84777,7 +92717,7 @@ Holds a buffer that can be modified.
   [
     [[link asio.reference.mutable_buffer.mutable_buffer [*mutable_buffer]]]
     [Construct an empty buffer. 
-
+     [hr]
      Construct a buffer to represent a given memory range. ]
   ]
   
@@ -85028,7 +92968,7 @@ Get the size of the memory range.
   [
     [[link asio.reference.mutable_buffers_1.mutable_buffers_1 [*mutable_buffers_1]]]
     [Construct to represent a given memory range. 
-
+     [hr]
      Construct to represent a single modifiable buffer. ]
   ]
   
@@ -85292,7 +93232,7 @@ The type for each element in the list of buffers.
   [
     [[link asio.reference.mutable_buffer.mutable_buffer [*mutable_buffer]]]
     [Construct an empty buffer. 
-
+     [hr]
      Construct a buffer to represent a given memory range. ]
   ]
   
@@ -85475,7 +93415,7 @@ The type for each element in the list of buffers.
   [
     [[link asio.reference.mutable_buffer.mutable_buffer [*mutable_buffer]]]
     [Construct an empty buffer. 
-
+     [hr]
      Construct a buffer to represent a given memory range. ]
   ]
   
@@ -85681,13 +93621,15 @@ An argument placeholder, for use with boost::bind(), that corresponds to the sig
 [endsect]
 
 
-[section:posix__descriptor posix::descriptor]
+[section:posix__basic_descriptor posix::basic_descriptor]
 
 
 Provides POSIX descriptor functionality. 
 
 
-  class descriptor :
+  template<
+      typename ``[link asio.reference.Executor1 Executor]`` = executor>
+  class basic_descriptor :
     public posix::descriptor_base
 
 
@@ -85697,35 +93639,35 @@ Provides POSIX descriptor functionality.
 
   [
 
-    [[link asio.reference.posix__descriptor.bytes_readable [*bytes_readable]]]
+    [[link asio.reference.posix__basic_descriptor.bytes_readable [*bytes_readable]]]
     [IO control command to get the amount of data that can be read without blocking. ]
   
   ]
 
   [
 
-    [[link asio.reference.posix__descriptor.executor_type [*executor_type]]]
+    [[link asio.reference.posix__basic_descriptor.executor_type [*executor_type]]]
     [The type of the executor associated with the object. ]
   
   ]
 
   [
 
-    [[link asio.reference.posix__descriptor.lowest_layer_type [*lowest_layer_type]]]
+    [[link asio.reference.posix__basic_descriptor.lowest_layer_type [*lowest_layer_type]]]
     [A descriptor is always the lowest layer. ]
   
   ]
 
   [
 
-    [[link asio.reference.posix__descriptor.native_handle_type [*native_handle_type]]]
+    [[link asio.reference.posix__basic_descriptor.native_handle_type [*native_handle_type]]]
     [The native representation of a descriptor. ]
   
   ]
 
   [
 
-    [[link asio.reference.posix__descriptor.wait_type [*wait_type]]]
+    [[link asio.reference.posix__basic_descriptor.wait_type [*wait_type]]]
     [Wait types. ]
   
   ]
@@ -85737,97 +93679,87 @@ Provides POSIX descriptor functionality.
   [[Name][Description]]
 
   [
-    [[link asio.reference.posix__descriptor.assign [*assign]]]
+    [[link asio.reference.posix__basic_descriptor.assign [*assign]]]
     [Assign an existing native descriptor to the descriptor. ]
   ]
   
   [
-    [[link asio.reference.posix__descriptor.async_wait [*async_wait]]]
+    [[link asio.reference.posix__basic_descriptor.async_wait [*async_wait]]]
     [Asynchronously wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. ]
   ]
   
   [
-    [[link asio.reference.posix__descriptor.cancel [*cancel]]]
-    [Cancel all asynchronous operations associated with the descriptor. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__descriptor.close [*close]]]
-    [Close the descriptor. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__descriptor.descriptor [*descriptor]]]
+    [[link asio.reference.posix__basic_descriptor.basic_descriptor [*basic_descriptor]]]
     [Construct a descriptor without opening it. 
-
+     [hr]
      Construct a descriptor on an existing native descriptor. 
-
+     [hr]
      Move-construct a descriptor from another. ]
   ]
   
   [
-    [[link asio.reference.posix__descriptor.get_executor [*get_executor]]]
+    [[link asio.reference.posix__basic_descriptor.cancel [*cancel]]]
+    [Cancel all asynchronous operations associated with the descriptor. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.close [*close]]]
+    [Close the descriptor. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.get_executor [*get_executor]]]
     [Get the executor associated with the object. ]
   ]
   
   [
-    [[link asio.reference.posix__descriptor.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__descriptor.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__descriptor.io_control [*io_control]]]
+    [[link asio.reference.posix__basic_descriptor.io_control [*io_control]]]
     [Perform an IO control command on the descriptor. ]
   ]
   
   [
-    [[link asio.reference.posix__descriptor.is_open [*is_open]]]
+    [[link asio.reference.posix__basic_descriptor.is_open [*is_open]]]
     [Determine whether the descriptor is open. ]
   ]
   
   [
-    [[link asio.reference.posix__descriptor.lowest_layer [*lowest_layer]]]
+    [[link asio.reference.posix__basic_descriptor.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
   [
-    [[link asio.reference.posix__descriptor.native_handle [*native_handle]]]
+    [[link asio.reference.posix__basic_descriptor.native_handle [*native_handle]]]
     [Get the native descriptor representation. ]
   ]
   
   [
-    [[link asio.reference.posix__descriptor.native_non_blocking [*native_non_blocking]]]
+    [[link asio.reference.posix__basic_descriptor.native_non_blocking [*native_non_blocking]]]
     [Gets the non-blocking mode of the native descriptor implementation. 
-
+     [hr]
      Sets the non-blocking mode of the native descriptor implementation. ]
   ]
   
   [
-    [[link asio.reference.posix__descriptor.non_blocking [*non_blocking]]]
+    [[link asio.reference.posix__basic_descriptor.non_blocking [*non_blocking]]]
     [Gets the non-blocking mode of the descriptor. 
-
+     [hr]
      Sets the non-blocking mode of the descriptor. ]
   ]
   
   [
-    [[link asio.reference.posix__descriptor.operator_eq_ [*operator=]]]
+    [[link asio.reference.posix__basic_descriptor.operator_eq_ [*operator=]]]
     [Move-assign a descriptor from another. ]
   ]
   
   [
-    [[link asio.reference.posix__descriptor.release [*release]]]
+    [[link asio.reference.posix__basic_descriptor.release [*release]]]
     [Release ownership of the native descriptor implementation. ]
   ]
   
   [
-    [[link asio.reference.posix__descriptor.wait [*wait]]]
+    [[link asio.reference.posix__basic_descriptor.wait [*wait]]]
     [Wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. ]
   ]
   
@@ -85838,13 +93770,24 @@ Provides POSIX descriptor functionality.
   [[Name][Description]]
 
   [
-    [[link asio.reference.posix__descriptor._descriptor [*~descriptor]]]
+    [[link asio.reference.posix__basic_descriptor._basic_descriptor [*~basic_descriptor]]]
     [Protected destructor to prevent deletion through this type. ]
   ]
   
 ]
 
-The [link asio.reference.posix__descriptor `posix::descriptor`] class template provides the ability to wrap a POSIX descriptor.
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.posix__basic_descriptor.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
+The [link asio.reference.posix__basic_descriptor `posix::basic_descriptor`] class template provides the ability to wrap a POSIX descriptor.
 
 
 [heading Thread Safety]
@@ -85857,27 +93800,27 @@ The [link asio.reference.posix__descriptor `posix::descriptor`] class template p
 
 [heading Requirements]
 
-['Header: ][^asio/posix/descriptor.hpp]
+['Header: ][^asio/posix/basic_descriptor.hpp]
 
 ['Convenience header: ][^asio.hpp]
 
-[section:assign posix::descriptor::assign]
+[section:assign posix::basic_descriptor::assign]
 
-[indexterm2 asio.indexterm.posix__descriptor.assign..assign..posix::descriptor] 
+[indexterm2 asio.indexterm.posix__basic_descriptor.assign..assign..posix::basic_descriptor] 
 Assign an existing native descriptor to the descriptor. 
 
 
-  void ``[link asio.reference.posix__descriptor.assign.overload1 assign]``(
+  void ``[link asio.reference.posix__basic_descriptor.assign.overload1 assign]``(
       const native_handle_type & native_descriptor);
-  ``  [''''&raquo;''' [link asio.reference.posix__descriptor.assign.overload1 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_descriptor.assign.overload1 more...]]``
 
-  void ``[link asio.reference.posix__descriptor.assign.overload2 assign]``(
+  void ``[link asio.reference.posix__basic_descriptor.assign.overload2 assign]``(
       const native_handle_type & native_descriptor,
       asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.posix__descriptor.assign.overload2 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_descriptor.assign.overload2 more...]]``
 
 
-[section:overload1 posix::descriptor::assign (1 of 2 overloads)]
+[section:overload1 posix::basic_descriptor::assign (1 of 2 overloads)]
 
 
 Assign an existing native descriptor to the descriptor. 
@@ -85892,7 +93835,7 @@ Assign an existing native descriptor to the descriptor.
 
 
 
-[section:overload2 posix::descriptor::assign (2 of 2 overloads)]
+[section:overload2 posix::basic_descriptor::assign (2 of 2 overloads)]
 
 
 Assign an existing native descriptor to the descriptor. 
@@ -85910,9 +93853,9 @@ Assign an existing native descriptor to the descriptor.
 [endsect]
 
 
-[section:async_wait posix::descriptor::async_wait]
+[section:async_wait posix::basic_descriptor::async_wait]
 
-[indexterm2 asio.indexterm.posix__descriptor.async_wait..async_wait..posix::descriptor] 
+[indexterm2 asio.indexterm.posix__basic_descriptor.async_wait..async_wait..posix::basic_descriptor] 
 Asynchronously wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. 
 
 
@@ -85939,7 +93882,7 @@ This function is used to perform an asynchronous wait for a descriptor to enter
      const asio::error_code& error // Result of operation
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
 
 ]
 
@@ -85958,7 +93901,7 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 
    ...
 
-   asio::posix::stream_descriptor descriptor(io_context);
+   asio::posix::stream_descriptor descriptor(my_context);
    ...
    descriptor.async_wait(
        asio::posix::stream_descriptor::wait_read,
@@ -85973,10 +93916,239 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 [endsect]
 
 
+[section:basic_descriptor posix::basic_descriptor::basic_descriptor]
 
-[section:bytes_readable posix::descriptor::bytes_readable]
+[indexterm2 asio.indexterm.posix__basic_descriptor.basic_descriptor..basic_descriptor..posix::basic_descriptor] 
+Construct a descriptor without opening it. 
 
-[indexterm2 asio.indexterm.posix__descriptor.bytes_readable..bytes_readable..posix::descriptor] 
+
+  explicit ``[link asio.reference.posix__basic_descriptor.basic_descriptor.overload1 basic_descriptor]``(
+      const executor_type & ex);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_descriptor.basic_descriptor.overload1 more...]]``
+
+  template<
+      typename ExecutionContext>
+  explicit ``[link asio.reference.posix__basic_descriptor.basic_descriptor.overload2 basic_descriptor]``(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_descriptor.basic_descriptor.overload2 more...]]``
+
+
+Construct a descriptor on an existing native descriptor. 
+
+
+  ``[link asio.reference.posix__basic_descriptor.basic_descriptor.overload3 basic_descriptor]``(
+      const executor_type & ex,
+      const native_handle_type & native_descriptor);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_descriptor.basic_descriptor.overload3 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.posix__basic_descriptor.basic_descriptor.overload4 basic_descriptor]``(
+      ExecutionContext & context,
+      const native_handle_type & native_descriptor,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_descriptor.basic_descriptor.overload4 more...]]``
+
+
+Move-construct a descriptor from another. 
+
+
+  ``[link asio.reference.posix__basic_descriptor.basic_descriptor.overload5 basic_descriptor]``(
+      basic_descriptor && other);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_descriptor.basic_descriptor.overload5 more...]]``
+
+
+[section:overload1 posix::basic_descriptor::basic_descriptor (1 of 5 overloads)]
+
+
+Construct a descriptor without opening it. 
+
+
+  basic_descriptor(
+      const executor_type & ex);
+
+
+This constructor creates a descriptor without opening it.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ex][The I/O executor that the descriptor will use, by default, to dispatch handlers for any asynchronous operations performed on the descriptor. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 posix::basic_descriptor::basic_descriptor (2 of 5 overloads)]
+
+
+Construct a descriptor without opening it. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_descriptor(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a descriptor without opening it.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the descriptor will use, by default, to dispatch handlers for any asynchronous operations performed on the descriptor. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload3 posix::basic_descriptor::basic_descriptor (3 of 5 overloads)]
+
+
+Construct a descriptor on an existing native descriptor. 
+
+
+  basic_descriptor(
+      const executor_type & ex,
+      const native_handle_type & native_descriptor);
+
+
+This constructor creates a descriptor object to hold an existing native descriptor.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ex][The I/O executor that the descriptor will use, by default, to dispatch handlers for any asynchronous operations performed on the descriptor.]]
+
+[[native_descriptor][A native descriptor.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload4 posix::basic_descriptor::basic_descriptor (4 of 5 overloads)]
+
+
+Construct a descriptor on an existing native descriptor. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_descriptor(
+      ExecutionContext & context,
+      const native_handle_type & native_descriptor,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a descriptor object to hold an existing native descriptor.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the descriptor will use, by default, to dispatch handlers for any asynchronous operations performed on the descriptor.]]
+
+[[native_descriptor][A native descriptor.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload5 posix::basic_descriptor::basic_descriptor (5 of 5 overloads)]
+
+
+Move-construct a descriptor from another. 
+
+
+  basic_descriptor(
+      basic_descriptor && other);
+
+
+This constructor moves a descriptor from one object to another.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[other][The other descriptor object from which the move will occur.]]
+
+]
+
+
+[heading Remarks]
+      
+Following the move, the moved-from object is in the same state as if constructed using the `basic_descriptor(const executor_type&)` constructor. 
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:bytes_readable posix::basic_descriptor::bytes_readable]
+
+
+['Inherited from posix::descriptor_base.]
+
+[indexterm2 asio.indexterm.posix__basic_descriptor.bytes_readable..bytes_readable..posix::basic_descriptor] 
 IO control command to get the amount of data that can be read without blocking. 
 
 
@@ -85991,7 +94163,7 @@ Implements the FIONREAD IO control command.
   
 
 
-   asio::posix::stream_descriptor descriptor(io_context); 
+   asio::posix::stream_descriptor descriptor(my_context);
    ...
    asio::descriptor_base::bytes_readable command(true);
    descriptor.io_control(command);
@@ -86005,7 +94177,7 @@ Implements the FIONREAD IO control command.
 
 [heading Requirements]
 
-['Header: ][^asio/posix/descriptor.hpp]
+['Header: ][^asio/posix/basic_descriptor.hpp]
 
 ['Convenience header: ][^asio.hpp]
 
@@ -86013,21 +94185,21 @@ Implements the FIONREAD IO control command.
 [endsect]
 
 
-[section:cancel posix::descriptor::cancel]
+[section:cancel posix::basic_descriptor::cancel]
 
-[indexterm2 asio.indexterm.posix__descriptor.cancel..cancel..posix::descriptor] 
+[indexterm2 asio.indexterm.posix__basic_descriptor.cancel..cancel..posix::basic_descriptor] 
 Cancel all asynchronous operations associated with the descriptor. 
 
 
-  void ``[link asio.reference.posix__descriptor.cancel.overload1 cancel]``();
-  ``  [''''&raquo;''' [link asio.reference.posix__descriptor.cancel.overload1 more...]]``
+  void ``[link asio.reference.posix__basic_descriptor.cancel.overload1 cancel]``();
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_descriptor.cancel.overload1 more...]]``
 
-  void ``[link asio.reference.posix__descriptor.cancel.overload2 cancel]``(
+  void ``[link asio.reference.posix__basic_descriptor.cancel.overload2 cancel]``(
       asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.posix__descriptor.cancel.overload2 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_descriptor.cancel.overload2 more...]]``
 
 
-[section:overload1 posix::descriptor::cancel (1 of 2 overloads)]
+[section:overload1 posix::basic_descriptor::cancel (1 of 2 overloads)]
 
 
 Cancel all asynchronous operations associated with the descriptor. 
@@ -86055,7 +94227,7 @@ This function causes all outstanding asynchronous read or write operations to fi
 
 
 
-[section:overload2 posix::descriptor::cancel (2 of 2 overloads)]
+[section:overload2 posix::basic_descriptor::cancel (2 of 2 overloads)]
 
 
 Cancel all asynchronous operations associated with the descriptor. 
@@ -86085,21 +94257,21 @@ This function causes all outstanding asynchronous read or write operations to fi
 
 [endsect]
 
-[section:close posix::descriptor::close]
+[section:close posix::basic_descriptor::close]
 
-[indexterm2 asio.indexterm.posix__descriptor.close..close..posix::descriptor] 
+[indexterm2 asio.indexterm.posix__basic_descriptor.close..close..posix::basic_descriptor] 
 Close the descriptor. 
 
 
-  void ``[link asio.reference.posix__descriptor.close.overload1 close]``();
-  ``  [''''&raquo;''' [link asio.reference.posix__descriptor.close.overload1 more...]]``
+  void ``[link asio.reference.posix__basic_descriptor.close.overload1 close]``();
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_descriptor.close.overload1 more...]]``
 
-  void ``[link asio.reference.posix__descriptor.close.overload2 close]``(
+  void ``[link asio.reference.posix__basic_descriptor.close.overload2 close]``(
       asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.posix__descriptor.close.overload2 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_descriptor.close.overload2 more...]]``
 
 
-[section:overload1 posix::descriptor::close (1 of 2 overloads)]
+[section:overload1 posix::basic_descriptor::close (1 of 2 overloads)]
 
 
 Close the descriptor. 
@@ -86127,7 +94299,7 @@ This function is used to close the descriptor. Any asynchronous read or write op
 
 
 
-[section:overload2 posix::descriptor::close (2 of 2 overloads)]
+[section:overload2 posix::basic_descriptor::close (2 of 2 overloads)]
 
 
 Close the descriptor. 
@@ -86157,211 +94329,20 @@ This function is used to close the descriptor. Any asynchronous read or write op
 
 [endsect]
 
-[section:descriptor posix::descriptor::descriptor]
 
-[indexterm2 asio.indexterm.posix__descriptor.descriptor..descriptor..posix::descriptor] 
-Construct a descriptor without opening it. 
+[section:executor_type posix::basic_descriptor::executor_type]
 
-
-  explicit ``[link asio.reference.posix__descriptor.descriptor.overload1 descriptor]``(
-      asio::io_context & io_context);
-  ``  [''''&raquo;''' [link asio.reference.posix__descriptor.descriptor.overload1 more...]]``
-
-
-Construct a descriptor on an existing native descriptor. 
-
-
-  ``[link asio.reference.posix__descriptor.descriptor.overload2 descriptor]``(
-      asio::io_context & io_context,
-      const native_handle_type & native_descriptor);
-  ``  [''''&raquo;''' [link asio.reference.posix__descriptor.descriptor.overload2 more...]]``
-
-
-Move-construct a descriptor from another. 
-
-
-  ``[link asio.reference.posix__descriptor.descriptor.overload3 descriptor]``(
-      descriptor && other);
-  ``  [''''&raquo;''' [link asio.reference.posix__descriptor.descriptor.overload3 more...]]``
-
-
-[section:overload1 posix::descriptor::descriptor (1 of 3 overloads)]
-
-
-Construct a descriptor without opening it. 
-
-
-  descriptor(
-      asio::io_context & io_context);
-
-
-This constructor creates a descriptor without opening it.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[io_context][The [link asio.reference.io_context `io_context`] object that the descriptor will use to dispatch handlers for any asynchronous operations performed on the descriptor. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 posix::descriptor::descriptor (2 of 3 overloads)]
-
-
-Construct a descriptor on an existing native descriptor. 
-
-
-  descriptor(
-      asio::io_context & io_context,
-      const native_handle_type & native_descriptor);
-
-
-This constructor creates a descriptor object to hold an existing native descriptor.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[io_context][The [link asio.reference.io_context `io_context`] object that the descriptor will use to dispatch handlers for any asynchronous operations performed on the descriptor.]]
-
-[[native_descriptor][A native descriptor.]]
-
-]
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload3 posix::descriptor::descriptor (3 of 3 overloads)]
-
-
-Move-construct a descriptor from another. 
-
-
-  descriptor(
-      descriptor && other);
-
-
-This constructor moves a descriptor from one object to another.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[other][The other descriptor object from which the move will occur.]]
-
-]
-
-
-[heading Remarks]
-      
-Following the move, the moved-from object is in the same state as if constructed using the `descriptor(io_context&) constructor`. 
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[section:executor_type posix::descriptor::executor_type]
-
-[indexterm2 asio.indexterm.posix__descriptor.executor_type..executor_type..posix::descriptor] 
+[indexterm2 asio.indexterm.posix__basic_descriptor.executor_type..executor_type..posix::basic_descriptor] 
 The type of the executor associated with the object. 
 
 
-  typedef io_context::executor_type executor_type;
+  typedef Executor executor_type;
 
 
-[heading Member Functions]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.context [*context]]]
-    [Obtain the underlying execution context. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.defer [*defer]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.dispatch [*dispatch]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_finished [*on_work_finished]]]
-    [Inform the io_context that some work is no longer outstanding. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_started [*on_work_started]]]
-    [Inform the io_context that it has some outstanding work to do. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.post [*post]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.running_in_this_thread [*running_in_this_thread]]]
-    [Determine whether the io_context is running in the current thread. ]
-  ]
-  
-]
-
-[heading Friends]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.operator_not__eq_ [*operator!=]]]
-    [Compare two executors for inequality. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.operator_eq__eq_ [*operator==]]]
-    [Compare two executors for equality. ]
-  ]
-  
-]
-
 
 [heading Requirements]
 
-['Header: ][^asio/posix/descriptor.hpp]
+['Header: ][^asio/posix/basic_descriptor.hpp]
 
 ['Convenience header: ][^asio.hpp]
 
@@ -86370,9 +94351,9 @@ The type of the executor associated with the object.
 
 
 
-[section:get_executor posix::descriptor::get_executor]
+[section:get_executor posix::basic_descriptor::get_executor]
 
-[indexterm2 asio.indexterm.posix__descriptor.get_executor..get_executor..posix::descriptor] 
+[indexterm2 asio.indexterm.posix__basic_descriptor.get_executor..get_executor..posix::basic_descriptor] 
 Get the executor associated with the object. 
 
 
@@ -86384,72 +94365,38 @@ Get the executor associated with the object.
 
 
 
-[section:get_io_context posix::descriptor::get_io_context]
+[section:impl_ posix::basic_descriptor::impl_]
 
-[indexterm2 asio.indexterm.posix__descriptor.get_io_context..get_io_context..posix::descriptor] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_context();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
+[indexterm2 asio.indexterm.posix__basic_descriptor.impl_..impl_..posix::basic_descriptor] 
 
+  detail::io_object_impl< detail::reactive_descriptor_service, Executor > impl_;
 
 
 
 [endsect]
 
 
+[section:io_control posix::basic_descriptor::io_control]
 
-[section:get_io_service posix::descriptor::get_io_service]
-
-[indexterm2 asio.indexterm.posix__descriptor.get_io_service..get_io_service..posix::descriptor] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_service();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-[section:io_control posix::descriptor::io_control]
-
-[indexterm2 asio.indexterm.posix__descriptor.io_control..io_control..posix::descriptor] 
+[indexterm2 asio.indexterm.posix__basic_descriptor.io_control..io_control..posix::basic_descriptor] 
 Perform an IO control command on the descriptor. 
 
 
   template<
       typename ``[link asio.reference.IoControlCommand IoControlCommand]``>
-  void ``[link asio.reference.posix__descriptor.io_control.overload1 io_control]``(
+  void ``[link asio.reference.posix__basic_descriptor.io_control.overload1 io_control]``(
       IoControlCommand & command);
-  ``  [''''&raquo;''' [link asio.reference.posix__descriptor.io_control.overload1 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_descriptor.io_control.overload1 more...]]``
 
   template<
       typename ``[link asio.reference.IoControlCommand IoControlCommand]``>
-  void ``[link asio.reference.posix__descriptor.io_control.overload2 io_control]``(
+  void ``[link asio.reference.posix__basic_descriptor.io_control.overload2 io_control]``(
       IoControlCommand & command,
       asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.posix__descriptor.io_control.overload2 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_descriptor.io_control.overload2 more...]]``
 
 
-[section:overload1 posix::descriptor::io_control (1 of 2 overloads)]
+[section:overload1 posix::basic_descriptor::io_control (1 of 2 overloads)]
 
 
 Perform an IO control command on the descriptor. 
@@ -86489,7 +94436,7 @@ This function is used to execute an IO control command on the descriptor.
   
 Getting the number of bytes ready to read: 
 
-   asio::posix::stream_descriptor descriptor(io_context);
+   asio::posix::stream_descriptor descriptor(my_context);
    ...
    asio::posix::stream_descriptor::bytes_readable command;
    descriptor.io_control(command);
@@ -86505,7 +94452,7 @@ Getting the number of bytes ready to read:
 
 
 
-[section:overload2 posix::descriptor::io_control (2 of 2 overloads)]
+[section:overload2 posix::basic_descriptor::io_control (2 of 2 overloads)]
 
 
 Perform an IO control command on the descriptor. 
@@ -86538,7 +94485,7 @@ This function is used to execute an IO control command on the descriptor.
   
 Getting the number of bytes ready to read: 
 
-   asio::posix::stream_descriptor descriptor(io_context);
+   asio::posix::stream_descriptor descriptor(my_context);
    ...
    asio::posix::stream_descriptor::bytes_readable command;
    asio::error_code ec;
@@ -86561,9 +94508,9 @@ Getting the number of bytes ready to read:
 [endsect]
 
 
-[section:is_open posix::descriptor::is_open]
+[section:is_open posix::basic_descriptor::is_open]
 
-[indexterm2 asio.indexterm.posix__descriptor.is_open..is_open..posix::descriptor] 
+[indexterm2 asio.indexterm.posix__basic_descriptor.is_open..is_open..posix::basic_descriptor] 
 Determine whether the descriptor is open. 
 
 
@@ -86574,24 +94521,24 @@ Determine whether the descriptor is open.
 [endsect]
 
 
-[section:lowest_layer posix::descriptor::lowest_layer]
+[section:lowest_layer posix::basic_descriptor::lowest_layer]
 
-[indexterm2 asio.indexterm.posix__descriptor.lowest_layer..lowest_layer..posix::descriptor] 
+[indexterm2 asio.indexterm.posix__basic_descriptor.lowest_layer..lowest_layer..posix::basic_descriptor] 
 Get a reference to the lowest layer. 
 
 
-  lowest_layer_type & ``[link asio.reference.posix__descriptor.lowest_layer.overload1 lowest_layer]``();
-  ``  [''''&raquo;''' [link asio.reference.posix__descriptor.lowest_layer.overload1 more...]]``
+  lowest_layer_type & ``[link asio.reference.posix__basic_descriptor.lowest_layer.overload1 lowest_layer]``();
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_descriptor.lowest_layer.overload1 more...]]``
 
 
 Get a const reference to the lowest layer. 
 
 
-  const lowest_layer_type & ``[link asio.reference.posix__descriptor.lowest_layer.overload2 lowest_layer]``() const;
-  ``  [''''&raquo;''' [link asio.reference.posix__descriptor.lowest_layer.overload2 more...]]``
+  const lowest_layer_type & ``[link asio.reference.posix__basic_descriptor.lowest_layer.overload2 lowest_layer]``() const;
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_descriptor.lowest_layer.overload2 more...]]``
 
 
-[section:overload1 posix::descriptor::lowest_layer (1 of 2 overloads)]
+[section:overload1 posix::basic_descriptor::lowest_layer (1 of 2 overloads)]
 
 
 Get a reference to the lowest layer. 
@@ -86614,7 +94561,7 @@ A reference to the lowest layer in the stack of layers. Ownership is not transfe
 
 
 
-[section:overload2 posix::descriptor::lowest_layer (2 of 2 overloads)]
+[section:overload2 posix::basic_descriptor::lowest_layer (2 of 2 overloads)]
 
 
 Get a const reference to the lowest layer. 
@@ -86639,13 +94586,13 @@ A const reference to the lowest layer in the stack of layers. Ownership is not t
 [endsect]
 
 
-[section:lowest_layer_type posix::descriptor::lowest_layer_type]
+[section:lowest_layer_type posix::basic_descriptor::lowest_layer_type]
 
-[indexterm2 asio.indexterm.posix__descriptor.lowest_layer_type..lowest_layer_type..posix::descriptor] 
+[indexterm2 asio.indexterm.posix__basic_descriptor.lowest_layer_type..lowest_layer_type..posix::basic_descriptor] 
 A descriptor is always the lowest layer. 
 
 
-  typedef descriptor lowest_layer_type;
+  typedef basic_descriptor lowest_layer_type;
 
 
 [heading Types]
@@ -86654,35 +94601,35 @@ A descriptor is always the lowest layer.
 
   [
 
-    [[link asio.reference.posix__descriptor.bytes_readable [*bytes_readable]]]
+    [[link asio.reference.posix__basic_descriptor.bytes_readable [*bytes_readable]]]
     [IO control command to get the amount of data that can be read without blocking. ]
   
   ]
 
   [
 
-    [[link asio.reference.posix__descriptor.executor_type [*executor_type]]]
+    [[link asio.reference.posix__basic_descriptor.executor_type [*executor_type]]]
     [The type of the executor associated with the object. ]
   
   ]
 
   [
 
-    [[link asio.reference.posix__descriptor.lowest_layer_type [*lowest_layer_type]]]
+    [[link asio.reference.posix__basic_descriptor.lowest_layer_type [*lowest_layer_type]]]
     [A descriptor is always the lowest layer. ]
   
   ]
 
   [
 
-    [[link asio.reference.posix__descriptor.native_handle_type [*native_handle_type]]]
+    [[link asio.reference.posix__basic_descriptor.native_handle_type [*native_handle_type]]]
     [The native representation of a descriptor. ]
   
   ]
 
   [
 
-    [[link asio.reference.posix__descriptor.wait_type [*wait_type]]]
+    [[link asio.reference.posix__basic_descriptor.wait_type [*wait_type]]]
     [Wait types. ]
   
   ]
@@ -86694,97 +94641,87 @@ A descriptor is always the lowest layer.
   [[Name][Description]]
 
   [
-    [[link asio.reference.posix__descriptor.assign [*assign]]]
+    [[link asio.reference.posix__basic_descriptor.assign [*assign]]]
     [Assign an existing native descriptor to the descriptor. ]
   ]
   
   [
-    [[link asio.reference.posix__descriptor.async_wait [*async_wait]]]
+    [[link asio.reference.posix__basic_descriptor.async_wait [*async_wait]]]
     [Asynchronously wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. ]
   ]
   
   [
-    [[link asio.reference.posix__descriptor.cancel [*cancel]]]
-    [Cancel all asynchronous operations associated with the descriptor. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__descriptor.close [*close]]]
-    [Close the descriptor. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__descriptor.descriptor [*descriptor]]]
+    [[link asio.reference.posix__basic_descriptor.basic_descriptor [*basic_descriptor]]]
     [Construct a descriptor without opening it. 
-
+     [hr]
      Construct a descriptor on an existing native descriptor. 
-
+     [hr]
      Move-construct a descriptor from another. ]
   ]
   
   [
-    [[link asio.reference.posix__descriptor.get_executor [*get_executor]]]
+    [[link asio.reference.posix__basic_descriptor.cancel [*cancel]]]
+    [Cancel all asynchronous operations associated with the descriptor. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.close [*close]]]
+    [Close the descriptor. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.get_executor [*get_executor]]]
     [Get the executor associated with the object. ]
   ]
   
   [
-    [[link asio.reference.posix__descriptor.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__descriptor.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__descriptor.io_control [*io_control]]]
+    [[link asio.reference.posix__basic_descriptor.io_control [*io_control]]]
     [Perform an IO control command on the descriptor. ]
   ]
   
   [
-    [[link asio.reference.posix__descriptor.is_open [*is_open]]]
+    [[link asio.reference.posix__basic_descriptor.is_open [*is_open]]]
     [Determine whether the descriptor is open. ]
   ]
   
   [
-    [[link asio.reference.posix__descriptor.lowest_layer [*lowest_layer]]]
+    [[link asio.reference.posix__basic_descriptor.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
   [
-    [[link asio.reference.posix__descriptor.native_handle [*native_handle]]]
+    [[link asio.reference.posix__basic_descriptor.native_handle [*native_handle]]]
     [Get the native descriptor representation. ]
   ]
   
   [
-    [[link asio.reference.posix__descriptor.native_non_blocking [*native_non_blocking]]]
+    [[link asio.reference.posix__basic_descriptor.native_non_blocking [*native_non_blocking]]]
     [Gets the non-blocking mode of the native descriptor implementation. 
-
+     [hr]
      Sets the non-blocking mode of the native descriptor implementation. ]
   ]
   
   [
-    [[link asio.reference.posix__descriptor.non_blocking [*non_blocking]]]
+    [[link asio.reference.posix__basic_descriptor.non_blocking [*non_blocking]]]
     [Gets the non-blocking mode of the descriptor. 
-
+     [hr]
      Sets the non-blocking mode of the descriptor. ]
   ]
   
   [
-    [[link asio.reference.posix__descriptor.operator_eq_ [*operator=]]]
+    [[link asio.reference.posix__basic_descriptor.operator_eq_ [*operator=]]]
     [Move-assign a descriptor from another. ]
   ]
   
   [
-    [[link asio.reference.posix__descriptor.release [*release]]]
+    [[link asio.reference.posix__basic_descriptor.release [*release]]]
     [Release ownership of the native descriptor implementation. ]
   ]
   
   [
-    [[link asio.reference.posix__descriptor.wait [*wait]]]
+    [[link asio.reference.posix__basic_descriptor.wait [*wait]]]
     [Wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. ]
   ]
   
@@ -86795,13 +94732,24 @@ A descriptor is always the lowest layer.
   [[Name][Description]]
 
   [
-    [[link asio.reference.posix__descriptor._descriptor [*~descriptor]]]
+    [[link asio.reference.posix__basic_descriptor._basic_descriptor [*~basic_descriptor]]]
     [Protected destructor to prevent deletion through this type. ]
   ]
   
 ]
 
-The [link asio.reference.posix__descriptor `posix::descriptor`] class template provides the ability to wrap a POSIX descriptor.
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.posix__basic_descriptor.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
+The [link asio.reference.posix__basic_descriptor `posix::basic_descriptor`] class template provides the ability to wrap a POSIX descriptor.
 
 
 [heading Thread Safety]
@@ -86815,7 +94763,7 @@ The [link asio.reference.posix__descriptor `posix::descriptor`] class template p
 
 [heading Requirements]
 
-['Header: ][^asio/posix/descriptor.hpp]
+['Header: ][^asio/posix/basic_descriptor.hpp]
 
 ['Convenience header: ][^asio.hpp]
 
@@ -86824,9 +94772,9 @@ The [link asio.reference.posix__descriptor `posix::descriptor`] class template p
 
 
 
-[section:native_handle posix::descriptor::native_handle]
+[section:native_handle posix::basic_descriptor::native_handle]
 
-[indexterm2 asio.indexterm.posix__descriptor.native_handle..native_handle..posix::descriptor] 
+[indexterm2 asio.indexterm.posix__basic_descriptor.native_handle..native_handle..posix::basic_descriptor] 
 Get the native descriptor representation. 
 
 
@@ -86840,9 +94788,9 @@ This function may be used to obtain the underlying representation of the descrip
 
 
 
-[section:native_handle_type posix::descriptor::native_handle_type]
+[section:native_handle_type posix::basic_descriptor::native_handle_type]
 
-[indexterm2 asio.indexterm.posix__descriptor.native_handle_type..native_handle_type..posix::descriptor] 
+[indexterm2 asio.indexterm.posix__basic_descriptor.native_handle_type..native_handle_type..posix::basic_descriptor] 
 The native representation of a descriptor. 
 
 
@@ -86852,7 +94800,7 @@ The native representation of a descriptor.
 
 [heading Requirements]
 
-['Header: ][^asio/posix/descriptor.hpp]
+['Header: ][^asio/posix/basic_descriptor.hpp]
 
 ['Convenience header: ][^asio.hpp]
 
@@ -86860,30 +94808,30 @@ The native representation of a descriptor.
 [endsect]
 
 
-[section:native_non_blocking posix::descriptor::native_non_blocking]
+[section:native_non_blocking posix::basic_descriptor::native_non_blocking]
 
-[indexterm2 asio.indexterm.posix__descriptor.native_non_blocking..native_non_blocking..posix::descriptor] 
+[indexterm2 asio.indexterm.posix__basic_descriptor.native_non_blocking..native_non_blocking..posix::basic_descriptor] 
 Gets the non-blocking mode of the native descriptor implementation. 
 
 
-  bool ``[link asio.reference.posix__descriptor.native_non_blocking.overload1 native_non_blocking]``() const;
-  ``  [''''&raquo;''' [link asio.reference.posix__descriptor.native_non_blocking.overload1 more...]]``
+  bool ``[link asio.reference.posix__basic_descriptor.native_non_blocking.overload1 native_non_blocking]``() const;
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_descriptor.native_non_blocking.overload1 more...]]``
 
 
 Sets the non-blocking mode of the native descriptor implementation. 
 
 
-  void ``[link asio.reference.posix__descriptor.native_non_blocking.overload2 native_non_blocking]``(
+  void ``[link asio.reference.posix__basic_descriptor.native_non_blocking.overload2 native_non_blocking]``(
       bool mode);
-  ``  [''''&raquo;''' [link asio.reference.posix__descriptor.native_non_blocking.overload2 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_descriptor.native_non_blocking.overload2 more...]]``
 
-  void ``[link asio.reference.posix__descriptor.native_non_blocking.overload3 native_non_blocking]``(
+  void ``[link asio.reference.posix__basic_descriptor.native_non_blocking.overload3 native_non_blocking]``(
       bool mode,
       asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.posix__descriptor.native_non_blocking.overload3 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_descriptor.native_non_blocking.overload3 more...]]``
 
 
-[section:overload1 posix::descriptor::native_non_blocking (1 of 3 overloads)]
+[section:overload1 posix::basic_descriptor::native_non_blocking (1 of 3 overloads)]
 
 
 Gets the non-blocking mode of the native descriptor implementation. 
@@ -86911,7 +94859,7 @@ The current non-blocking mode is cached by the descriptor object. Consequently,
 
 
 
-[section:overload2 posix::descriptor::native_non_blocking (2 of 3 overloads)]
+[section:overload2 posix::basic_descriptor::native_non_blocking (2 of 3 overloads)]
 
 
 Sets the non-blocking mode of the native descriptor implementation. 
@@ -86950,7 +94898,7 @@ This function is used to modify the non-blocking mode of the underlying native d
 
 
 
-[section:overload3 posix::descriptor::native_non_blocking (3 of 3 overloads)]
+[section:overload3 posix::basic_descriptor::native_non_blocking (3 of 3 overloads)]
 
 
 Sets the non-blocking mode of the native descriptor implementation. 
@@ -86983,30 +94931,30 @@ This function is used to modify the non-blocking mode of the underlying native d
 
 [endsect]
 
-[section:non_blocking posix::descriptor::non_blocking]
+[section:non_blocking posix::basic_descriptor::non_blocking]
 
-[indexterm2 asio.indexterm.posix__descriptor.non_blocking..non_blocking..posix::descriptor] 
+[indexterm2 asio.indexterm.posix__basic_descriptor.non_blocking..non_blocking..posix::basic_descriptor] 
 Gets the non-blocking mode of the descriptor. 
 
 
-  bool ``[link asio.reference.posix__descriptor.non_blocking.overload1 non_blocking]``() const;
-  ``  [''''&raquo;''' [link asio.reference.posix__descriptor.non_blocking.overload1 more...]]``
+  bool ``[link asio.reference.posix__basic_descriptor.non_blocking.overload1 non_blocking]``() const;
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_descriptor.non_blocking.overload1 more...]]``
 
 
 Sets the non-blocking mode of the descriptor. 
 
 
-  void ``[link asio.reference.posix__descriptor.non_blocking.overload2 non_blocking]``(
+  void ``[link asio.reference.posix__basic_descriptor.non_blocking.overload2 non_blocking]``(
       bool mode);
-  ``  [''''&raquo;''' [link asio.reference.posix__descriptor.non_blocking.overload2 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_descriptor.non_blocking.overload2 more...]]``
 
-  void ``[link asio.reference.posix__descriptor.non_blocking.overload3 non_blocking]``(
+  void ``[link asio.reference.posix__basic_descriptor.non_blocking.overload3 non_blocking]``(
       bool mode,
       asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.posix__descriptor.non_blocking.overload3 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_descriptor.non_blocking.overload3 more...]]``
 
 
-[section:overload1 posix::descriptor::non_blocking (1 of 3 overloads)]
+[section:overload1 posix::basic_descriptor::non_blocking (1 of 3 overloads)]
 
 
 Gets the non-blocking mode of the descriptor. 
@@ -87032,7 +94980,7 @@ The non-blocking mode has no effect on the behaviour of asynchronous operations.
 
 
 
-[section:overload2 posix::descriptor::non_blocking (2 of 3 overloads)]
+[section:overload2 posix::basic_descriptor::non_blocking (2 of 3 overloads)]
 
 
 Sets the non-blocking mode of the descriptor. 
@@ -87074,7 +95022,7 @@ The non-blocking mode has no effect on the behaviour of asynchronous operations.
 
 
 
-[section:overload3 posix::descriptor::non_blocking (3 of 3 overloads)]
+[section:overload3 posix::basic_descriptor::non_blocking (3 of 3 overloads)]
 
 
 Sets the non-blocking mode of the descriptor. 
@@ -87111,14 +95059,14 @@ The non-blocking mode has no effect on the behaviour of asynchronous operations.
 [endsect]
 
 
-[section:operator_eq_ posix::descriptor::operator=]
+[section:operator_eq_ posix::basic_descriptor::operator=]
 
-[indexterm2 asio.indexterm.posix__descriptor.operator_eq_..operator=..posix::descriptor] 
+[indexterm2 asio.indexterm.posix__basic_descriptor.operator_eq_..operator=..posix::basic_descriptor] 
 Move-assign a descriptor from another. 
 
 
-  descriptor & operator=(
-      descriptor && other);
+  basic_descriptor & operator=(
+      basic_descriptor && other);
 
 
 This assignment operator moves a descriptor from one object to another.
@@ -87136,7 +95084,7 @@ This assignment operator moves a descriptor from one object to another.
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `descriptor(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_descriptor(const executor_type&)` constructor. 
 
 
 
@@ -87145,9 +95093,9 @@ Following the move, the moved-from object is in the same state as if constructed
 
 
 
-[section:release posix::descriptor::release]
+[section:release posix::basic_descriptor::release]
 
-[indexterm2 asio.indexterm.posix__descriptor.release..release..posix::descriptor] 
+[indexterm2 asio.indexterm.posix__basic_descriptor.release..release..posix::basic_descriptor] 
 Release ownership of the native descriptor implementation. 
 
 
@@ -87162,23 +95110,23 @@ All outstanding asynchronous read or write operations will finish immediately, a
 [endsect]
 
 
-[section:wait posix::descriptor::wait]
+[section:wait posix::basic_descriptor::wait]
 
-[indexterm2 asio.indexterm.posix__descriptor.wait..wait..posix::descriptor] 
+[indexterm2 asio.indexterm.posix__basic_descriptor.wait..wait..posix::basic_descriptor] 
 Wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. 
 
 
-  void ``[link asio.reference.posix__descriptor.wait.overload1 wait]``(
+  void ``[link asio.reference.posix__basic_descriptor.wait.overload1 wait]``(
       wait_type w);
-  ``  [''''&raquo;''' [link asio.reference.posix__descriptor.wait.overload1 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_descriptor.wait.overload1 more...]]``
 
-  void ``[link asio.reference.posix__descriptor.wait.overload2 wait]``(
+  void ``[link asio.reference.posix__basic_descriptor.wait.overload2 wait]``(
       wait_type w,
       asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.posix__descriptor.wait.overload2 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_descriptor.wait.overload2 more...]]``
 
 
-[section:overload1 posix::descriptor::wait (1 of 2 overloads)]
+[section:overload1 posix::basic_descriptor::wait (1 of 2 overloads)]
 
 
 Wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. 
@@ -87205,7 +95153,7 @@ This function is used to perform a blocking wait for a descriptor to enter a rea
   
 Waiting for a descriptor to become readable. 
 
-   asio::posix::stream_descriptor descriptor(io_context);
+   asio::posix::stream_descriptor descriptor(my_context);
    ...
    descriptor.wait(asio::posix::stream_descriptor::wait_read);
 
@@ -87219,7 +95167,7 @@ Waiting for a descriptor to become readable.
 
 
 
-[section:overload2 posix::descriptor::wait (2 of 2 overloads)]
+[section:overload2 posix::basic_descriptor::wait (2 of 2 overloads)]
 
 
 Wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. 
@@ -87249,7 +95197,7 @@ This function is used to perform a blocking wait for a descriptor to enter a rea
   
 Waiting for a descriptor to become readable. 
 
-   asio::posix::stream_descriptor descriptor(io_context);
+   asio::posix::stream_descriptor descriptor(my_context);
    ...
    asio::error_code ec;
    descriptor.wait(asio::posix::stream_descriptor::wait_read, ec);
@@ -87266,17 +95214,20 @@ Waiting for a descriptor to become readable.
 [endsect]
 
 
-[section:wait_type posix::descriptor::wait_type]
+[section:wait_type posix::basic_descriptor::wait_type]
 
-[indexterm2 asio.indexterm.posix__descriptor.wait_type..wait_type..posix::descriptor] 
+
+['Inherited from posix::descriptor_base.]
+
+[indexterm2 asio.indexterm.posix__basic_descriptor.wait_type..wait_type..posix::basic_descriptor] 
 Wait types. 
 
 
   enum wait_type
 
-[indexterm2 asio.indexterm.posix__descriptor.wait_type.wait_read..wait_read..posix::descriptor]
-[indexterm2 asio.indexterm.posix__descriptor.wait_type.wait_write..wait_write..posix::descriptor]
-[indexterm2 asio.indexterm.posix__descriptor.wait_type.wait_error..wait_error..posix::descriptor]
+[indexterm2 asio.indexterm.posix__basic_descriptor.wait_type.wait_read..wait_read..posix::basic_descriptor]
+[indexterm2 asio.indexterm.posix__basic_descriptor.wait_type.wait_write..wait_write..posix::basic_descriptor]
+[indexterm2 asio.indexterm.posix__basic_descriptor.wait_type.wait_error..wait_error..posix::basic_descriptor]
 
 [heading Values]
 [variablelist
@@ -87306,13 +95257,13 @@ For use with `descriptor::wait()` and `descriptor::async_wait()`.
 
 
 
-[section:_descriptor posix::descriptor::~descriptor]
+[section:_basic_descriptor posix::basic_descriptor::~basic_descriptor]
 
-[indexterm2 asio.indexterm.posix__descriptor._descriptor..~descriptor..posix::descriptor] 
+[indexterm2 asio.indexterm.posix__basic_descriptor._basic_descriptor..~basic_descriptor..posix::basic_descriptor] 
 Protected destructor to prevent deletion through this type. 
 
 
-  ~descriptor();
+  ~basic_descriptor();
 
 
 This function destroys the descriptor, cancelling any outstanding asynchronous wait operations associated with the descriptor as if by calling `cancel`. 
@@ -87324,6 +95275,2446 @@ This function destroys the descriptor, cancelling any outstanding asynchronous w
 
 [endsect]
 
+[section:posix__basic_stream_descriptor posix::basic_stream_descriptor]
+
+
+Provides stream-oriented descriptor functionality. 
+
+
+  template<
+      typename ``[link asio.reference.Executor1 Executor]`` = executor>
+  class basic_stream_descriptor :
+    public posix::basic_descriptor< Executor >
+
+
+[heading Types]
+[table
+  [[Name][Description]]
+
+  [
+
+    [[link asio.reference.posix__basic_stream_descriptor.bytes_readable [*bytes_readable]]]
+    [IO control command to get the amount of data that can be read without blocking. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.posix__basic_stream_descriptor.executor_type [*executor_type]]]
+    [The type of the executor associated with the object. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.posix__basic_stream_descriptor.lowest_layer_type [*lowest_layer_type]]]
+    [A descriptor is always the lowest layer. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.posix__basic_stream_descriptor.native_handle_type [*native_handle_type]]]
+    [The native representation of a descriptor. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.posix__basic_stream_descriptor.wait_type [*wait_type]]]
+    [Wait types. ]
+  
+  ]
+
+]
+
+[heading Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.posix__basic_stream_descriptor.assign [*assign]]]
+    [Assign an existing native descriptor to the descriptor. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_stream_descriptor.async_read_some [*async_read_some]]]
+    [Start an asynchronous read. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_stream_descriptor.async_wait [*async_wait]]]
+    [Asynchronously wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_stream_descriptor.async_write_some [*async_write_some]]]
+    [Start an asynchronous write. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_stream_descriptor.basic_stream_descriptor [*basic_stream_descriptor]]]
+    [Construct a stream descriptor without opening it. 
+     [hr]
+     Construct a stream descriptor on an existing native descriptor. 
+     [hr]
+     Move-construct a stream descriptor from another. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_stream_descriptor.cancel [*cancel]]]
+    [Cancel all asynchronous operations associated with the descriptor. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_stream_descriptor.close [*close]]]
+    [Close the descriptor. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_stream_descriptor.get_executor [*get_executor]]]
+    [Get the executor associated with the object. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_stream_descriptor.io_control [*io_control]]]
+    [Perform an IO control command on the descriptor. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_stream_descriptor.is_open [*is_open]]]
+    [Determine whether the descriptor is open. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_stream_descriptor.lowest_layer [*lowest_layer]]]
+    [Get a reference to the lowest layer. 
+     [hr]
+     Get a const reference to the lowest layer. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_stream_descriptor.native_handle [*native_handle]]]
+    [Get the native descriptor representation. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_stream_descriptor.native_non_blocking [*native_non_blocking]]]
+    [Gets the non-blocking mode of the native descriptor implementation. 
+     [hr]
+     Sets the non-blocking mode of the native descriptor implementation. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_stream_descriptor.non_blocking [*non_blocking]]]
+    [Gets the non-blocking mode of the descriptor. 
+     [hr]
+     Sets the non-blocking mode of the descriptor. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_stream_descriptor.operator_eq_ [*operator=]]]
+    [Move-assign a stream descriptor from another. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_stream_descriptor.read_some [*read_some]]]
+    [Read some data from the descriptor. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_stream_descriptor.release [*release]]]
+    [Release ownership of the native descriptor implementation. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_stream_descriptor.wait [*wait]]]
+    [Wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_stream_descriptor.write_some [*write_some]]]
+    [Write some data to the descriptor. ]
+  ]
+  
+]
+
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.posix__basic_stream_descriptor.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
+The [link asio.reference.posix__basic_stream_descriptor `posix::basic_stream_descriptor`] class template provides asynchronous and blocking stream-oriented descriptor functionality.
+
+
+[heading Thread Safety]
+  
+['Distinct] ['objects:] Safe.
+
+['Shared] ['objects:] Unsafe.
+
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/posix/basic_stream_descriptor.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+[section:assign posix::basic_stream_descriptor::assign]
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.assign..assign..posix::basic_stream_descriptor] 
+Assign an existing native descriptor to the descriptor. 
+
+
+  void ``[link asio.reference.posix__basic_stream_descriptor.assign.overload1 assign]``(
+      const native_handle_type & native_descriptor);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.assign.overload1 more...]]``
+
+  void ``[link asio.reference.posix__basic_stream_descriptor.assign.overload2 assign]``(
+      const native_handle_type & native_descriptor,
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.assign.overload2 more...]]``
+
+
+[section:overload1 posix::basic_stream_descriptor::assign (1 of 2 overloads)]
+
+
+['Inherited from posix::basic_descriptor.]
+
+
+Assign an existing native descriptor to the descriptor. 
+
+
+  void assign(
+      const native_handle_type & native_descriptor);
+
+
+
+[endsect]
+
+
+
+[section:overload2 posix::basic_stream_descriptor::assign (2 of 2 overloads)]
+
+
+['Inherited from posix::basic_descriptor.]
+
+
+Assign an existing native descriptor to the descriptor. 
+
+
+  void assign(
+      const native_handle_type & native_descriptor,
+      asio::error_code & ec);
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:async_read_some posix::basic_stream_descriptor::async_read_some]
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.async_read_some..async_read_some..posix::basic_stream_descriptor] 
+Start an asynchronous read. 
+
+
+  template<
+      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``,
+      typename ``[link asio.reference.ReadHandler ReadHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_read_some(
+      const MutableBufferSequence & buffers,
+      ReadHandler && handler);
+
+
+This function is used to asynchronously read data from the stream descriptor. The function call always returns immediately.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[buffers][One or more buffers into which the data will be read. Although the buffers object may be copied as necessary, ownership of the underlying memory blocks is retained by the caller, which must guarantee that they remain valid until the handler is called.]]
+
+[[handler][The handler to be called when the read operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
+``
+   void handler(
+     const asio::error_code& error, // Result of operation.
+     std::size_t bytes_transferred           // Number of bytes read.
+   ); 
+``
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
+
+]
+
+
+[heading Remarks]
+      
+The read operation may not read all of the requested number of bytes. Consider using the [link asio.reference.async_read `async_read`]  function if you need to ensure that the requested amount of data is read before the asynchronous operation completes.
+
+
+[heading Example]
+  
+To read into a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
+
+   descriptor.async_read_some(asio::buffer(data, size), handler);
+
+
+See the [link asio.reference.buffer `buffer`]  documentation for information on reading into multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
+
+
+
+
+[endsect]
+
+
+
+[section:async_wait posix::basic_stream_descriptor::async_wait]
+
+
+['Inherited from posix::basic_descriptor.]
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.async_wait..async_wait..posix::basic_stream_descriptor] 
+Asynchronously wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. 
+
+
+  template<
+      typename ``[link asio.reference.WaitHandler WaitHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_wait(
+      wait_type w,
+      WaitHandler && handler);
+
+
+This function is used to perform an asynchronous wait for a descriptor to enter a ready to read, write or error condition state.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[w][Specifies the desired descriptor state.]]
+
+[[handler][The handler to be called when the wait operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
+``
+   void handler(
+     const asio::error_code& error // Result of operation
+   ); 
+``
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
+
+]
+
+
+[heading Example]
+  
+
+
+   void wait_handler(const asio::error_code& error)
+   {
+     if (!error)
+     {
+       // Wait succeeded.
+     }
+   }
+
+   ...
+
+   asio::posix::stream_descriptor descriptor(my_context);
+   ...
+   descriptor.async_wait(
+       asio::posix::stream_descriptor::wait_read,
+       wait_handler);
+
+
+
+
+
+
+
+[endsect]
+
+
+
+[section:async_write_some posix::basic_stream_descriptor::async_write_some]
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.async_write_some..async_write_some..posix::basic_stream_descriptor] 
+Start an asynchronous write. 
+
+
+  template<
+      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``,
+      typename ``[link asio.reference.WriteHandler WriteHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_write_some(
+      const ConstBufferSequence & buffers,
+      WriteHandler && handler);
+
+
+This function is used to asynchronously write data to the stream descriptor. The function call always returns immediately.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[buffers][One or more data buffers to be written to the descriptor. Although the buffers object may be copied as necessary, ownership of the underlying memory blocks is retained by the caller, which must guarantee that they remain valid until the handler is called.]]
+
+[[handler][The handler to be called when the write operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
+``
+   void handler(
+     const asio::error_code& error, // Result of operation.
+     std::size_t bytes_transferred           // Number of bytes written.
+   ); 
+``
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
+
+]
+
+
+[heading Remarks]
+      
+The write operation may not transmit all of the data to the peer. Consider using the [link asio.reference.async_write `async_write`]  function if you need to ensure that all data is written before the asynchronous operation completes.
+
+
+[heading Example]
+  
+To write a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
+
+   descriptor.async_write_some(asio::buffer(data, size), handler);
+
+
+See the [link asio.reference.buffer `buffer`]  documentation for information on writing multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
+
+
+
+
+[endsect]
+
+
+[section:basic_stream_descriptor posix::basic_stream_descriptor::basic_stream_descriptor]
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.basic_stream_descriptor..basic_stream_descriptor..posix::basic_stream_descriptor] 
+Construct a stream descriptor without opening it. 
+
+
+  explicit ``[link asio.reference.posix__basic_stream_descriptor.basic_stream_descriptor.overload1 basic_stream_descriptor]``(
+      const executor_type & ex);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.basic_stream_descriptor.overload1 more...]]``
+
+  template<
+      typename ExecutionContext>
+  explicit ``[link asio.reference.posix__basic_stream_descriptor.basic_stream_descriptor.overload2 basic_stream_descriptor]``(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.basic_stream_descriptor.overload2 more...]]``
+
+
+Construct a stream descriptor on an existing native descriptor. 
+
+
+  ``[link asio.reference.posix__basic_stream_descriptor.basic_stream_descriptor.overload3 basic_stream_descriptor]``(
+      const executor_type & ex,
+      const native_handle_type & native_descriptor);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.basic_stream_descriptor.overload3 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.posix__basic_stream_descriptor.basic_stream_descriptor.overload4 basic_stream_descriptor]``(
+      ExecutionContext & context,
+      const native_handle_type & native_descriptor,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.basic_stream_descriptor.overload4 more...]]``
+
+
+Move-construct a stream descriptor from another. 
+
+
+  ``[link asio.reference.posix__basic_stream_descriptor.basic_stream_descriptor.overload5 basic_stream_descriptor]``(
+      basic_stream_descriptor && other);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.basic_stream_descriptor.overload5 more...]]``
+
+
+[section:overload1 posix::basic_stream_descriptor::basic_stream_descriptor (1 of 5 overloads)]
+
+
+Construct a stream descriptor without opening it. 
+
+
+  basic_stream_descriptor(
+      const executor_type & ex);
+
+
+This constructor creates a stream descriptor without opening it. The descriptor needs to be opened and then connected or accepted before data can be sent or received on it.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ex][The I/O executor that the descriptor will use, by default, to dispatch handlers for any asynchronous operations performed on the descriptor. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 posix::basic_stream_descriptor::basic_stream_descriptor (2 of 5 overloads)]
+
+
+Construct a stream descriptor without opening it. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_stream_descriptor(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a stream descriptor without opening it. The descriptor needs to be opened and then connected or accepted before data can be sent or received on it.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the descriptor will use, by default, to dispatch handlers for any asynchronous operations performed on the descriptor. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload3 posix::basic_stream_descriptor::basic_stream_descriptor (3 of 5 overloads)]
+
+
+Construct a stream descriptor on an existing native descriptor. 
+
+
+  basic_stream_descriptor(
+      const executor_type & ex,
+      const native_handle_type & native_descriptor);
+
+
+This constructor creates a stream descriptor object to hold an existing native descriptor.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ex][The I/O executor that the descriptor will use, by default, to dispatch handlers for any asynchronous operations performed on the descriptor.]]
+
+[[native_descriptor][The new underlying descriptor implementation.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload4 posix::basic_stream_descriptor::basic_stream_descriptor (4 of 5 overloads)]
+
+
+Construct a stream descriptor on an existing native descriptor. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_stream_descriptor(
+      ExecutionContext & context,
+      const native_handle_type & native_descriptor,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a stream descriptor object to hold an existing native descriptor.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the descriptor will use, by default, to dispatch handlers for any asynchronous operations performed on the descriptor.]]
+
+[[native_descriptor][The new underlying descriptor implementation.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload5 posix::basic_stream_descriptor::basic_stream_descriptor (5 of 5 overloads)]
+
+
+Move-construct a stream descriptor from another. 
+
+
+  basic_stream_descriptor(
+      basic_stream_descriptor && other);
+
+
+This constructor moves a stream descriptor from one object to another.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[other][The other stream descriptor object from which the move will occur.]]
+
+]
+
+
+[heading Remarks]
+      
+Following the move, the moved-from object is in the same state as if constructed using the `basic_stream_descriptor(const executor_type&)` constructor. 
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:bytes_readable posix::basic_stream_descriptor::bytes_readable]
+
+
+['Inherited from posix::descriptor_base.]
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.bytes_readable..bytes_readable..posix::basic_stream_descriptor] 
+IO control command to get the amount of data that can be read without blocking. 
+
+
+  typedef implementation_defined bytes_readable;
+
+
+
+Implements the FIONREAD IO control command.
+
+
+[heading Example]
+  
+
+
+   asio::posix::stream_descriptor descriptor(my_context);
+   ...
+   asio::descriptor_base::bytes_readable command(true);
+   descriptor.io_control(command);
+   std::size_t bytes_readable = command.get();
+
+
+
+
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/posix/basic_stream_descriptor.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+[section:cancel posix::basic_stream_descriptor::cancel]
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.cancel..cancel..posix::basic_stream_descriptor] 
+Cancel all asynchronous operations associated with the descriptor. 
+
+
+  void ``[link asio.reference.posix__basic_stream_descriptor.cancel.overload1 cancel]``();
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.cancel.overload1 more...]]``
+
+  void ``[link asio.reference.posix__basic_stream_descriptor.cancel.overload2 cancel]``(
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.cancel.overload2 more...]]``
+
+
+[section:overload1 posix::basic_stream_descriptor::cancel (1 of 2 overloads)]
+
+
+['Inherited from posix::basic_descriptor.]
+
+
+Cancel all asynchronous operations associated with the descriptor. 
+
+
+  void cancel();
+
+
+This function causes all outstanding asynchronous read or write operations to finish immediately, and the handlers for cancelled operations will be passed the `asio::error::operation_aborted` error.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 posix::basic_stream_descriptor::cancel (2 of 2 overloads)]
+
+
+['Inherited from posix::basic_descriptor.]
+
+
+Cancel all asynchronous operations associated with the descriptor. 
+
+
+  void cancel(
+      asio::error_code & ec);
+
+
+This function causes all outstanding asynchronous read or write operations to finish immediately, and the handlers for cancelled operations will be passed the `asio::error::operation_aborted` error.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ec][Set to indicate what error occurred, if any. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+[section:close posix::basic_stream_descriptor::close]
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.close..close..posix::basic_stream_descriptor] 
+Close the descriptor. 
+
+
+  void ``[link asio.reference.posix__basic_stream_descriptor.close.overload1 close]``();
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.close.overload1 more...]]``
+
+  void ``[link asio.reference.posix__basic_stream_descriptor.close.overload2 close]``(
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.close.overload2 more...]]``
+
+
+[section:overload1 posix::basic_stream_descriptor::close (1 of 2 overloads)]
+
+
+['Inherited from posix::basic_descriptor.]
+
+
+Close the descriptor. 
+
+
+  void close();
+
+
+This function is used to close the descriptor. Any asynchronous read or write operations will be cancelled immediately, and will complete with the `asio::error::operation_aborted` error.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. Note that, even if the function indicates an error, the underlying descriptor is closed. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 posix::basic_stream_descriptor::close (2 of 2 overloads)]
+
+
+['Inherited from posix::basic_descriptor.]
+
+
+Close the descriptor. 
+
+
+  void close(
+      asio::error_code & ec);
+
+
+This function is used to close the descriptor. Any asynchronous read or write operations will be cancelled immediately, and will complete with the `asio::error::operation_aborted` error.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ec][Set to indicate what error occurred, if any. Note that, even if the function indicates an error, the underlying descriptor is closed. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:executor_type posix::basic_stream_descriptor::executor_type]
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.executor_type..executor_type..posix::basic_stream_descriptor] 
+The type of the executor associated with the object. 
+
+
+  typedef Executor executor_type;
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/posix/basic_stream_descriptor.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+
+[section:get_executor posix::basic_stream_descriptor::get_executor]
+
+
+['Inherited from posix::basic_descriptor.]
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.get_executor..get_executor..posix::basic_stream_descriptor] 
+Get the executor associated with the object. 
+
+
+  executor_type get_executor();
+
+
+
+[endsect]
+
+
+
+[section:impl_ posix::basic_stream_descriptor::impl_]
+
+
+['Inherited from posix::basic_descriptor.]
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.impl_..impl_..posix::basic_stream_descriptor] 
+
+  detail::io_object_impl< detail::reactive_descriptor_service, Executor > impl_;
+
+
+
+[endsect]
+
+
+[section:io_control posix::basic_stream_descriptor::io_control]
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.io_control..io_control..posix::basic_stream_descriptor] 
+Perform an IO control command on the descriptor. 
+
+
+  template<
+      typename ``[link asio.reference.IoControlCommand IoControlCommand]``>
+  void ``[link asio.reference.posix__basic_stream_descriptor.io_control.overload1 io_control]``(
+      IoControlCommand & command);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.io_control.overload1 more...]]``
+
+  template<
+      typename ``[link asio.reference.IoControlCommand IoControlCommand]``>
+  void ``[link asio.reference.posix__basic_stream_descriptor.io_control.overload2 io_control]``(
+      IoControlCommand & command,
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.io_control.overload2 more...]]``
+
+
+[section:overload1 posix::basic_stream_descriptor::io_control (1 of 2 overloads)]
+
+
+['Inherited from posix::basic_descriptor.]
+
+
+Perform an IO control command on the descriptor. 
+
+
+  template<
+      typename ``[link asio.reference.IoControlCommand IoControlCommand]``>
+  void io_control(
+      IoControlCommand & command);
+
+
+This function is used to execute an IO control command on the descriptor.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[command][The IO control command to be performed on the descriptor.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure.]]
+
+]
+
+
+
+[heading Example]
+  
+Getting the number of bytes ready to read: 
+
+   asio::posix::stream_descriptor descriptor(my_context);
+   ...
+   asio::posix::stream_descriptor::bytes_readable command;
+   descriptor.io_control(command);
+   std::size_t bytes_readable = command.get();
+
+
+
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 posix::basic_stream_descriptor::io_control (2 of 2 overloads)]
+
+
+['Inherited from posix::basic_descriptor.]
+
+
+Perform an IO control command on the descriptor. 
+
+
+  template<
+      typename ``[link asio.reference.IoControlCommand IoControlCommand]``>
+  void io_control(
+      IoControlCommand & command,
+      asio::error_code & ec);
+
+
+This function is used to execute an IO control command on the descriptor.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[command][The IO control command to be performed on the descriptor.]]
+
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+
+[heading Example]
+  
+Getting the number of bytes ready to read: 
+
+   asio::posix::stream_descriptor descriptor(my_context);
+   ...
+   asio::posix::stream_descriptor::bytes_readable command;
+   asio::error_code ec;
+   descriptor.io_control(command, ec);
+   if (ec)
+   {
+     // An error occurred.
+   }
+   std::size_t bytes_readable = command.get();
+
+
+
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:is_open posix::basic_stream_descriptor::is_open]
+
+
+['Inherited from posix::basic_descriptor.]
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.is_open..is_open..posix::basic_stream_descriptor] 
+Determine whether the descriptor is open. 
+
+
+  bool is_open() const;
+
+
+
+[endsect]
+
+
+[section:lowest_layer posix::basic_stream_descriptor::lowest_layer]
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.lowest_layer..lowest_layer..posix::basic_stream_descriptor] 
+Get a reference to the lowest layer. 
+
+
+  lowest_layer_type & ``[link asio.reference.posix__basic_stream_descriptor.lowest_layer.overload1 lowest_layer]``();
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.lowest_layer.overload1 more...]]``
+
+
+Get a const reference to the lowest layer. 
+
+
+  const lowest_layer_type & ``[link asio.reference.posix__basic_stream_descriptor.lowest_layer.overload2 lowest_layer]``() const;
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.lowest_layer.overload2 more...]]``
+
+
+[section:overload1 posix::basic_stream_descriptor::lowest_layer (1 of 2 overloads)]
+
+
+['Inherited from posix::basic_descriptor.]
+
+
+Get a reference to the lowest layer. 
+
+
+  lowest_layer_type & lowest_layer();
+
+
+This function returns a reference to the lowest layer in a stack of layers. Since a descriptor cannot contain any further layers, it simply returns a reference to itself.
+
+
+[heading Return Value]
+      
+A reference to the lowest layer in the stack of layers. Ownership is not transferred to the caller. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 posix::basic_stream_descriptor::lowest_layer (2 of 2 overloads)]
+
+
+['Inherited from posix::basic_descriptor.]
+
+
+Get a const reference to the lowest layer. 
+
+
+  const lowest_layer_type & lowest_layer() const;
+
+
+This function returns a const reference to the lowest layer in a stack of layers. Since a descriptor cannot contain any further layers, it simply returns a reference to itself.
+
+
+[heading Return Value]
+      
+A const reference to the lowest layer in the stack of layers. Ownership is not transferred to the caller. 
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:lowest_layer_type posix::basic_stream_descriptor::lowest_layer_type]
+
+
+['Inherited from posix::basic_descriptor.]
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.lowest_layer_type..lowest_layer_type..posix::basic_stream_descriptor] 
+A descriptor is always the lowest layer. 
+
+
+  typedef basic_descriptor lowest_layer_type;
+
+
+[heading Types]
+[table
+  [[Name][Description]]
+
+  [
+
+    [[link asio.reference.posix__basic_descriptor.bytes_readable [*bytes_readable]]]
+    [IO control command to get the amount of data that can be read without blocking. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.posix__basic_descriptor.executor_type [*executor_type]]]
+    [The type of the executor associated with the object. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.posix__basic_descriptor.lowest_layer_type [*lowest_layer_type]]]
+    [A descriptor is always the lowest layer. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.posix__basic_descriptor.native_handle_type [*native_handle_type]]]
+    [The native representation of a descriptor. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.posix__basic_descriptor.wait_type [*wait_type]]]
+    [Wait types. ]
+  
+  ]
+
+]
+
+[heading Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.posix__basic_descriptor.assign [*assign]]]
+    [Assign an existing native descriptor to the descriptor. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.async_wait [*async_wait]]]
+    [Asynchronously wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.basic_descriptor [*basic_descriptor]]]
+    [Construct a descriptor without opening it. 
+     [hr]
+     Construct a descriptor on an existing native descriptor. 
+     [hr]
+     Move-construct a descriptor from another. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.cancel [*cancel]]]
+    [Cancel all asynchronous operations associated with the descriptor. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.close [*close]]]
+    [Close the descriptor. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.get_executor [*get_executor]]]
+    [Get the executor associated with the object. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.io_control [*io_control]]]
+    [Perform an IO control command on the descriptor. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.is_open [*is_open]]]
+    [Determine whether the descriptor is open. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.lowest_layer [*lowest_layer]]]
+    [Get a reference to the lowest layer. 
+     [hr]
+     Get a const reference to the lowest layer. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.native_handle [*native_handle]]]
+    [Get the native descriptor representation. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.native_non_blocking [*native_non_blocking]]]
+    [Gets the non-blocking mode of the native descriptor implementation. 
+     [hr]
+     Sets the non-blocking mode of the native descriptor implementation. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.non_blocking [*non_blocking]]]
+    [Gets the non-blocking mode of the descriptor. 
+     [hr]
+     Sets the non-blocking mode of the descriptor. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.operator_eq_ [*operator=]]]
+    [Move-assign a descriptor from another. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.release [*release]]]
+    [Release ownership of the native descriptor implementation. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.wait [*wait]]]
+    [Wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. ]
+  ]
+  
+]
+
+[heading Protected Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.posix__basic_descriptor._basic_descriptor [*~basic_descriptor]]]
+    [Protected destructor to prevent deletion through this type. ]
+  ]
+  
+]
+
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.posix__basic_descriptor.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
+The [link asio.reference.posix__basic_descriptor `posix::basic_descriptor`] class template provides the ability to wrap a POSIX descriptor.
+
+
+[heading Thread Safety]
+  
+['Distinct] ['objects:] Safe.
+
+['Shared] ['objects:] Unsafe. 
+
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/posix/basic_stream_descriptor.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+
+[section:native_handle posix::basic_stream_descriptor::native_handle]
+
+
+['Inherited from posix::basic_descriptor.]
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.native_handle..native_handle..posix::basic_stream_descriptor] 
+Get the native descriptor representation. 
+
+
+  native_handle_type native_handle();
+
+
+This function may be used to obtain the underlying representation of the descriptor. This is intended to allow access to native descriptor functionality that is not otherwise provided. 
+
+
+[endsect]
+
+
+
+[section:native_handle_type posix::basic_stream_descriptor::native_handle_type]
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.native_handle_type..native_handle_type..posix::basic_stream_descriptor] 
+The native representation of a descriptor. 
+
+
+  typedef basic_descriptor< Executor >::native_handle_type native_handle_type;
+
+
+[heading Types]
+[table
+  [[Name][Description]]
+
+  [
+
+    [[link asio.reference.posix__basic_descriptor.bytes_readable [*bytes_readable]]]
+    [IO control command to get the amount of data that can be read without blocking. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.posix__basic_descriptor.executor_type [*executor_type]]]
+    [The type of the executor associated with the object. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.posix__basic_descriptor.lowest_layer_type [*lowest_layer_type]]]
+    [A descriptor is always the lowest layer. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.posix__basic_descriptor.native_handle_type [*native_handle_type]]]
+    [The native representation of a descriptor. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.posix__basic_descriptor.wait_type [*wait_type]]]
+    [Wait types. ]
+  
+  ]
+
+]
+
+[heading Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.posix__basic_descriptor.assign [*assign]]]
+    [Assign an existing native descriptor to the descriptor. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.async_wait [*async_wait]]]
+    [Asynchronously wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.basic_descriptor [*basic_descriptor]]]
+    [Construct a descriptor without opening it. 
+     [hr]
+     Construct a descriptor on an existing native descriptor. 
+     [hr]
+     Move-construct a descriptor from another. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.cancel [*cancel]]]
+    [Cancel all asynchronous operations associated with the descriptor. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.close [*close]]]
+    [Close the descriptor. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.get_executor [*get_executor]]]
+    [Get the executor associated with the object. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.io_control [*io_control]]]
+    [Perform an IO control command on the descriptor. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.is_open [*is_open]]]
+    [Determine whether the descriptor is open. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.lowest_layer [*lowest_layer]]]
+    [Get a reference to the lowest layer. 
+     [hr]
+     Get a const reference to the lowest layer. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.native_handle [*native_handle]]]
+    [Get the native descriptor representation. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.native_non_blocking [*native_non_blocking]]]
+    [Gets the non-blocking mode of the native descriptor implementation. 
+     [hr]
+     Sets the non-blocking mode of the native descriptor implementation. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.non_blocking [*non_blocking]]]
+    [Gets the non-blocking mode of the descriptor. 
+     [hr]
+     Sets the non-blocking mode of the descriptor. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.operator_eq_ [*operator=]]]
+    [Move-assign a descriptor from another. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.release [*release]]]
+    [Release ownership of the native descriptor implementation. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.wait [*wait]]]
+    [Wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. ]
+  ]
+  
+]
+
+[heading Protected Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.posix__basic_descriptor._basic_descriptor [*~basic_descriptor]]]
+    [Protected destructor to prevent deletion through this type. ]
+  ]
+  
+]
+
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.posix__basic_descriptor.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
+The [link asio.reference.posix__basic_descriptor `posix::basic_descriptor`] class template provides the ability to wrap a POSIX descriptor.
+
+
+[heading Thread Safety]
+  
+['Distinct] ['objects:] Safe.
+
+['Shared] ['objects:] Unsafe. 
+
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/posix/basic_stream_descriptor.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+[section:native_non_blocking posix::basic_stream_descriptor::native_non_blocking]
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.native_non_blocking..native_non_blocking..posix::basic_stream_descriptor] 
+Gets the non-blocking mode of the native descriptor implementation. 
+
+
+  bool ``[link asio.reference.posix__basic_stream_descriptor.native_non_blocking.overload1 native_non_blocking]``() const;
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.native_non_blocking.overload1 more...]]``
+
+
+Sets the non-blocking mode of the native descriptor implementation. 
+
+
+  void ``[link asio.reference.posix__basic_stream_descriptor.native_non_blocking.overload2 native_non_blocking]``(
+      bool mode);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.native_non_blocking.overload2 more...]]``
+
+  void ``[link asio.reference.posix__basic_stream_descriptor.native_non_blocking.overload3 native_non_blocking]``(
+      bool mode,
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.native_non_blocking.overload3 more...]]``
+
+
+[section:overload1 posix::basic_stream_descriptor::native_non_blocking (1 of 3 overloads)]
+
+
+['Inherited from posix::basic_descriptor.]
+
+
+Gets the non-blocking mode of the native descriptor implementation. 
+
+
+  bool native_non_blocking() const;
+
+
+This function is used to retrieve the non-blocking mode of the underlying native descriptor. This mode has no effect on the behaviour of the descriptor object's synchronous operations.
+
+
+[heading Return Value]
+      
+`true` if the underlying descriptor is in non-blocking mode and direct system calls may fail with `asio::error::would_block` (or the equivalent system error).
+
+
+[heading Remarks]
+      
+The current non-blocking mode is cached by the descriptor object. Consequently, the return value may be incorrect if the non-blocking mode was set directly on the native descriptor. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 posix::basic_stream_descriptor::native_non_blocking (2 of 3 overloads)]
+
+
+['Inherited from posix::basic_descriptor.]
+
+
+Sets the non-blocking mode of the native descriptor implementation. 
+
+
+  void native_non_blocking(
+      bool mode);
+
+
+This function is used to modify the non-blocking mode of the underlying native descriptor. It has no effect on the behaviour of the descriptor object's synchronous operations.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[mode][If `true`, the underlying descriptor is put into non-blocking mode and direct system calls may fail with `asio::error::would_block` (or the equivalent system error).]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. If the `mode` is `false`, but the current value of `non_blocking()` is `true`, this function fails with `asio::error::invalid_argument`, as the combination does not make sense. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload3 posix::basic_stream_descriptor::native_non_blocking (3 of 3 overloads)]
+
+
+['Inherited from posix::basic_descriptor.]
+
+
+Sets the non-blocking mode of the native descriptor implementation. 
+
+
+  void native_non_blocking(
+      bool mode,
+      asio::error_code & ec);
+
+
+This function is used to modify the non-blocking mode of the underlying native descriptor. It has no effect on the behaviour of the descriptor object's synchronous operations.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[mode][If `true`, the underlying descriptor is put into non-blocking mode and direct system calls may fail with `asio::error::would_block` (or the equivalent system error).]]
+
+[[ec][Set to indicate what error occurred, if any. If the `mode` is `false`, but the current value of `non_blocking()` is `true`, this function fails with `asio::error::invalid_argument`, as the combination does not make sense. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+[section:non_blocking posix::basic_stream_descriptor::non_blocking]
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.non_blocking..non_blocking..posix::basic_stream_descriptor] 
+Gets the non-blocking mode of the descriptor. 
+
+
+  bool ``[link asio.reference.posix__basic_stream_descriptor.non_blocking.overload1 non_blocking]``() const;
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.non_blocking.overload1 more...]]``
+
+
+Sets the non-blocking mode of the descriptor. 
+
+
+  void ``[link asio.reference.posix__basic_stream_descriptor.non_blocking.overload2 non_blocking]``(
+      bool mode);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.non_blocking.overload2 more...]]``
+
+  void ``[link asio.reference.posix__basic_stream_descriptor.non_blocking.overload3 non_blocking]``(
+      bool mode,
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.non_blocking.overload3 more...]]``
+
+
+[section:overload1 posix::basic_stream_descriptor::non_blocking (1 of 3 overloads)]
+
+
+['Inherited from posix::basic_descriptor.]
+
+
+Gets the non-blocking mode of the descriptor. 
+
+
+  bool non_blocking() const;
+
+
+
+[heading Return Value]
+      
+`true` if the descriptor's synchronous operations will fail with `asio::error::would_block` if they are unable to perform the requested operation immediately. If `false`, synchronous operations will block until complete.
+
+
+[heading Remarks]
+      
+The non-blocking mode has no effect on the behaviour of asynchronous operations. Asynchronous operations will never fail with the error `asio::error::would_block`. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 posix::basic_stream_descriptor::non_blocking (2 of 3 overloads)]
+
+
+['Inherited from posix::basic_descriptor.]
+
+
+Sets the non-blocking mode of the descriptor. 
+
+
+  void non_blocking(
+      bool mode);
+
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[mode][If `true`, the descriptor's synchronous operations will fail with `asio::error::would_block` if they are unable to perform the requested operation immediately. If `false`, synchronous operations will block until complete.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure.]]
+
+]
+
+
+[heading Remarks]
+      
+The non-blocking mode has no effect on the behaviour of asynchronous operations. Asynchronous operations will never fail with the error `asio::error::would_block`. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload3 posix::basic_stream_descriptor::non_blocking (3 of 3 overloads)]
+
+
+['Inherited from posix::basic_descriptor.]
+
+
+Sets the non-blocking mode of the descriptor. 
+
+
+  void non_blocking(
+      bool mode,
+      asio::error_code & ec);
+
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[mode][If `true`, the descriptor's synchronous operations will fail with `asio::error::would_block` if they are unable to perform the requested operation immediately. If `false`, synchronous operations will block until complete.]]
+
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+[heading Remarks]
+      
+The non-blocking mode has no effect on the behaviour of asynchronous operations. Asynchronous operations will never fail with the error `asio::error::would_block`. 
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:operator_eq_ posix::basic_stream_descriptor::operator=]
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.operator_eq_..operator=..posix::basic_stream_descriptor] 
+Move-assign a stream descriptor from another. 
+
+
+  basic_stream_descriptor & operator=(
+      basic_stream_descriptor && other);
+
+
+This assignment operator moves a stream descriptor from one object to another.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[other][The other stream descriptor object from which the move will occur.]]
+
+]
+
+
+[heading Remarks]
+      
+Following the move, the moved-from object is in the same state as if constructed using the `basic_stream_descriptor(const executor_type&)` constructor. 
+
+
+
+
+[endsect]
+
+
+[section:read_some posix::basic_stream_descriptor::read_some]
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.read_some..read_some..posix::basic_stream_descriptor] 
+Read some data from the descriptor. 
+
+
+  template<
+      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
+  std::size_t ``[link asio.reference.posix__basic_stream_descriptor.read_some.overload1 read_some]``(
+      const MutableBufferSequence & buffers);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.read_some.overload1 more...]]``
+
+  template<
+      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
+  std::size_t ``[link asio.reference.posix__basic_stream_descriptor.read_some.overload2 read_some]``(
+      const MutableBufferSequence & buffers,
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.read_some.overload2 more...]]``
+
+
+[section:overload1 posix::basic_stream_descriptor::read_some (1 of 2 overloads)]
+
+
+Read some data from the descriptor. 
+
+
+  template<
+      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
+  std::size_t read_some(
+      const MutableBufferSequence & buffers);
+
+
+This function is used to read data from the stream descriptor. The function call will block until one or more bytes of data has been read successfully, or until an error occurs.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[buffers][One or more buffers into which the data will be read.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes read.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. An error code of `asio::error::eof` indicates that the connection was closed by the peer.]]
+
+]
+
+
+[heading Remarks]
+      
+The read\_some operation may not read all of the requested number of bytes. Consider using the [link asio.reference.read `read`]  function if you need to ensure that the requested amount of data is read before the blocking operation completes.
+
+
+[heading Example]
+  
+To read into a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
+
+   descriptor.read_some(asio::buffer(data, size));
+
+
+See the [link asio.reference.buffer `buffer`]  documentation for information on reading into multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 posix::basic_stream_descriptor::read_some (2 of 2 overloads)]
+
+
+Read some data from the descriptor. 
+
+
+  template<
+      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
+  std::size_t read_some(
+      const MutableBufferSequence & buffers,
+      asio::error_code & ec);
+
+
+This function is used to read data from the stream descriptor. The function call will block until one or more bytes of data has been read successfully, or until an error occurs.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[buffers][One or more buffers into which the data will be read.]]
+
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes read. Returns 0 if an error occurred.
+
+
+[heading Remarks]
+      
+The read\_some operation may not read all of the requested number of bytes. Consider using the [link asio.reference.read `read`]  function if you need to ensure that the requested amount of data is read before the blocking operation completes. 
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:release posix::basic_stream_descriptor::release]
+
+
+['Inherited from posix::basic_descriptor.]
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.release..release..posix::basic_stream_descriptor] 
+Release ownership of the native descriptor implementation. 
+
+
+  native_handle_type release();
+
+
+This function may be used to obtain the underlying representation of the descriptor. After calling this function, `is_open()` returns false. The caller is responsible for closing the descriptor.
+
+All outstanding asynchronous read or write operations will finish immediately, and the handlers for cancelled operations will be passed the `asio::error::operation_aborted` error. 
+
+
+[endsect]
+
+
+[section:wait posix::basic_stream_descriptor::wait]
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.wait..wait..posix::basic_stream_descriptor] 
+Wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. 
+
+
+  void ``[link asio.reference.posix__basic_stream_descriptor.wait.overload1 wait]``(
+      wait_type w);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.wait.overload1 more...]]``
+
+  void ``[link asio.reference.posix__basic_stream_descriptor.wait.overload2 wait]``(
+      wait_type w,
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.wait.overload2 more...]]``
+
+
+[section:overload1 posix::basic_stream_descriptor::wait (1 of 2 overloads)]
+
+
+['Inherited from posix::basic_descriptor.]
+
+
+Wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. 
+
+
+  void wait(
+      wait_type w);
+
+
+This function is used to perform a blocking wait for a descriptor to enter a ready to read, write or error condition state.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[w][Specifies the desired descriptor state.]]
+
+]
+
+
+[heading Example]
+  
+Waiting for a descriptor to become readable. 
+
+   asio::posix::stream_descriptor descriptor(my_context);
+   ...
+   descriptor.wait(asio::posix::stream_descriptor::wait_read);
+
+
+
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 posix::basic_stream_descriptor::wait (2 of 2 overloads)]
+
+
+['Inherited from posix::basic_descriptor.]
+
+
+Wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. 
+
+
+  void wait(
+      wait_type w,
+      asio::error_code & ec);
+
+
+This function is used to perform a blocking wait for a descriptor to enter a ready to read, write or error condition state.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[w][Specifies the desired descriptor state.]]
+
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+[heading Example]
+  
+Waiting for a descriptor to become readable. 
+
+   asio::posix::stream_descriptor descriptor(my_context);
+   ...
+   asio::error_code ec;
+   descriptor.wait(asio::posix::stream_descriptor::wait_read, ec);
+
+
+
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:wait_type posix::basic_stream_descriptor::wait_type]
+
+
+['Inherited from posix::descriptor_base.]
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.wait_type..wait_type..posix::basic_stream_descriptor] 
+Wait types. 
+
+
+  enum wait_type
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.wait_type.wait_read..wait_read..posix::basic_stream_descriptor]
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.wait_type.wait_write..wait_write..posix::basic_stream_descriptor]
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.wait_type.wait_error..wait_error..posix::basic_stream_descriptor]
+
+[heading Values]
+[variablelist
+
+  [
+    [wait_read]
+    [Wait for a descriptor to become ready to read. ]
+  ]
+
+  [
+    [wait_write]
+    [Wait for a descriptor to become ready to write. ]
+  ]
+
+  [
+    [wait_error]
+    [Wait for a descriptor to have error conditions pending. ]
+  ]
+
+]
+
+
+For use with `descriptor::wait()` and `descriptor::async_wait()`. 
+
+
+[endsect]
+
+
+[section:write_some posix::basic_stream_descriptor::write_some]
+
+[indexterm2 asio.indexterm.posix__basic_stream_descriptor.write_some..write_some..posix::basic_stream_descriptor] 
+Write some data to the descriptor. 
+
+
+  template<
+      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
+  std::size_t ``[link asio.reference.posix__basic_stream_descriptor.write_some.overload1 write_some]``(
+      const ConstBufferSequence & buffers);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.write_some.overload1 more...]]``
+
+  template<
+      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
+  std::size_t ``[link asio.reference.posix__basic_stream_descriptor.write_some.overload2 write_some]``(
+      const ConstBufferSequence & buffers,
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.posix__basic_stream_descriptor.write_some.overload2 more...]]``
+
+
+[section:overload1 posix::basic_stream_descriptor::write_some (1 of 2 overloads)]
+
+
+Write some data to the descriptor. 
+
+
+  template<
+      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
+  std::size_t write_some(
+      const ConstBufferSequence & buffers);
+
+
+This function is used to write data to the stream descriptor. The function call will block until one or more bytes of the data has been written successfully, or until an error occurs.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[buffers][One or more data buffers to be written to the descriptor.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes written.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. An error code of `asio::error::eof` indicates that the connection was closed by the peer.]]
+
+]
+
+
+[heading Remarks]
+      
+The write\_some operation may not transmit all of the data to the peer. Consider using the [link asio.reference.write `write`]  function if you need to ensure that all data is written before the blocking operation completes.
+
+
+[heading Example]
+  
+To write a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
+
+   descriptor.write_some(asio::buffer(data, size));
+
+
+See the [link asio.reference.buffer `buffer`]  documentation for information on writing multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 posix::basic_stream_descriptor::write_some (2 of 2 overloads)]
+
+
+Write some data to the descriptor. 
+
+
+  template<
+      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
+  std::size_t write_some(
+      const ConstBufferSequence & buffers,
+      asio::error_code & ec);
+
+
+This function is used to write data to the stream descriptor. The function call will block until one or more bytes of the data has been written successfully, or until an error occurs.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[buffers][One or more data buffers to be written to the descriptor.]]
+
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes written. Returns 0 if an error occurred.
+
+
+[heading Remarks]
+      
+The write\_some operation may not transmit all of the data to the peer. Consider using the [link asio.reference.write `write`]  function if you need to ensure that all data is written before the blocking operation completes. 
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:posix__descriptor posix::descriptor]
+
+[indexterm1 asio.indexterm.posix__descriptor..posix::descriptor] 
+Typedef for the typical usage of [link asio.reference.posix__basic_descriptor `posix::basic_descriptor`]. 
+
+
+  typedef basic_descriptor descriptor;
+
+
+[heading Types]
+[table
+  [[Name][Description]]
+
+  [
+
+    [[link asio.reference.posix__basic_descriptor.bytes_readable [*bytes_readable]]]
+    [IO control command to get the amount of data that can be read without blocking. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.posix__basic_descriptor.executor_type [*executor_type]]]
+    [The type of the executor associated with the object. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.posix__basic_descriptor.lowest_layer_type [*lowest_layer_type]]]
+    [A descriptor is always the lowest layer. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.posix__basic_descriptor.native_handle_type [*native_handle_type]]]
+    [The native representation of a descriptor. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.posix__basic_descriptor.wait_type [*wait_type]]]
+    [Wait types. ]
+  
+  ]
+
+]
+
+[heading Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.posix__basic_descriptor.assign [*assign]]]
+    [Assign an existing native descriptor to the descriptor. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.async_wait [*async_wait]]]
+    [Asynchronously wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.basic_descriptor [*basic_descriptor]]]
+    [Construct a descriptor without opening it. 
+     [hr]
+     Construct a descriptor on an existing native descriptor. 
+     [hr]
+     Move-construct a descriptor from another. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.cancel [*cancel]]]
+    [Cancel all asynchronous operations associated with the descriptor. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.close [*close]]]
+    [Close the descriptor. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.get_executor [*get_executor]]]
+    [Get the executor associated with the object. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.io_control [*io_control]]]
+    [Perform an IO control command on the descriptor. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.is_open [*is_open]]]
+    [Determine whether the descriptor is open. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.lowest_layer [*lowest_layer]]]
+    [Get a reference to the lowest layer. 
+     [hr]
+     Get a const reference to the lowest layer. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.native_handle [*native_handle]]]
+    [Get the native descriptor representation. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.native_non_blocking [*native_non_blocking]]]
+    [Gets the non-blocking mode of the native descriptor implementation. 
+     [hr]
+     Sets the non-blocking mode of the native descriptor implementation. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.non_blocking [*non_blocking]]]
+    [Gets the non-blocking mode of the descriptor. 
+     [hr]
+     Sets the non-blocking mode of the descriptor. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.operator_eq_ [*operator=]]]
+    [Move-assign a descriptor from another. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.release [*release]]]
+    [Release ownership of the native descriptor implementation. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_descriptor.wait [*wait]]]
+    [Wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. ]
+  ]
+  
+]
+
+[heading Protected Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.posix__basic_descriptor._basic_descriptor [*~basic_descriptor]]]
+    [Protected destructor to prevent deletion through this type. ]
+  ]
+  
+]
+
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.posix__basic_descriptor.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
+The [link asio.reference.posix__basic_descriptor `posix::basic_descriptor`] class template provides the ability to wrap a POSIX descriptor.
+
+
+[heading Thread Safety]
+  
+['Distinct] ['objects:] Safe.
+
+['Shared] ['objects:] Unsafe. 
+
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/posix/descriptor.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
 [section:posix__descriptor_base posix::descriptor_base]
 
 
@@ -87388,7 +97779,7 @@ Implements the FIONREAD IO control command.
   
 
 
-   asio::posix::stream_descriptor descriptor(io_context); 
+   asio::posix::stream_descriptor descriptor(my_context);
    ...
    asio::descriptor_base::bytes_readable command(true);
    descriptor.io_control(command);
@@ -87467,14 +97858,14 @@ Protected destructor to prevent deletion through this type.
 
 [endsect]
 
+
 [section:posix__stream_descriptor posix::stream_descriptor]
 
-
-Provides stream-oriented descriptor functionality. 
+[indexterm1 asio.indexterm.posix__stream_descriptor..posix::stream_descriptor] 
+Typedef for the typical usage of a stream-oriented descriptor. 
 
 
-  class stream_descriptor :
-    public posix::descriptor
+  typedef basic_stream_descriptor stream_descriptor;
 
 
 [heading Types]
@@ -87483,35 +97874,35 @@ Provides stream-oriented descriptor functionality.
 
   [
 
-    [[link asio.reference.posix__stream_descriptor.bytes_readable [*bytes_readable]]]
+    [[link asio.reference.posix__basic_stream_descriptor.bytes_readable [*bytes_readable]]]
     [IO control command to get the amount of data that can be read without blocking. ]
   
   ]
 
   [
 
-    [[link asio.reference.posix__stream_descriptor.executor_type [*executor_type]]]
+    [[link asio.reference.posix__basic_stream_descriptor.executor_type [*executor_type]]]
     [The type of the executor associated with the object. ]
   
   ]
 
   [
 
-    [[link asio.reference.posix__stream_descriptor.lowest_layer_type [*lowest_layer_type]]]
+    [[link asio.reference.posix__basic_stream_descriptor.lowest_layer_type [*lowest_layer_type]]]
     [A descriptor is always the lowest layer. ]
   
   ]
 
   [
 
-    [[link asio.reference.posix__stream_descriptor.native_handle_type [*native_handle_type]]]
+    [[link asio.reference.posix__basic_stream_descriptor.native_handle_type [*native_handle_type]]]
     [The native representation of a descriptor. ]
   
   ]
 
   [
 
-    [[link asio.reference.posix__stream_descriptor.wait_type [*wait_type]]]
+    [[link asio.reference.posix__basic_stream_descriptor.wait_type [*wait_type]]]
     [Wait types. ]
   
   ]
@@ -87523,123 +97914,124 @@ Provides stream-oriented descriptor functionality.
   [[Name][Description]]
 
   [
-    [[link asio.reference.posix__stream_descriptor.assign [*assign]]]
+    [[link asio.reference.posix__basic_stream_descriptor.assign [*assign]]]
     [Assign an existing native descriptor to the descriptor. ]
   ]
   
   [
-    [[link asio.reference.posix__stream_descriptor.async_read_some [*async_read_some]]]
+    [[link asio.reference.posix__basic_stream_descriptor.async_read_some [*async_read_some]]]
     [Start an asynchronous read. ]
   ]
   
   [
-    [[link asio.reference.posix__stream_descriptor.async_wait [*async_wait]]]
+    [[link asio.reference.posix__basic_stream_descriptor.async_wait [*async_wait]]]
     [Asynchronously wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. ]
   ]
   
   [
-    [[link asio.reference.posix__stream_descriptor.async_write_some [*async_write_some]]]
+    [[link asio.reference.posix__basic_stream_descriptor.async_write_some [*async_write_some]]]
     [Start an asynchronous write. ]
   ]
   
   [
-    [[link asio.reference.posix__stream_descriptor.cancel [*cancel]]]
+    [[link asio.reference.posix__basic_stream_descriptor.basic_stream_descriptor [*basic_stream_descriptor]]]
+    [Construct a stream descriptor without opening it. 
+     [hr]
+     Construct a stream descriptor on an existing native descriptor. 
+     [hr]
+     Move-construct a stream descriptor from another. ]
+  ]
+  
+  [
+    [[link asio.reference.posix__basic_stream_descriptor.cancel [*cancel]]]
     [Cancel all asynchronous operations associated with the descriptor. ]
   ]
   
   [
-    [[link asio.reference.posix__stream_descriptor.close [*close]]]
+    [[link asio.reference.posix__basic_stream_descriptor.close [*close]]]
     [Close the descriptor. ]
   ]
   
   [
-    [[link asio.reference.posix__stream_descriptor.get_executor [*get_executor]]]
+    [[link asio.reference.posix__basic_stream_descriptor.get_executor [*get_executor]]]
     [Get the executor associated with the object. ]
   ]
   
   [
-    [[link asio.reference.posix__stream_descriptor.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__stream_descriptor.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__stream_descriptor.io_control [*io_control]]]
+    [[link asio.reference.posix__basic_stream_descriptor.io_control [*io_control]]]
     [Perform an IO control command on the descriptor. ]
   ]
   
   [
-    [[link asio.reference.posix__stream_descriptor.is_open [*is_open]]]
+    [[link asio.reference.posix__basic_stream_descriptor.is_open [*is_open]]]
     [Determine whether the descriptor is open. ]
   ]
   
   [
-    [[link asio.reference.posix__stream_descriptor.lowest_layer [*lowest_layer]]]
+    [[link asio.reference.posix__basic_stream_descriptor.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
   [
-    [[link asio.reference.posix__stream_descriptor.native_handle [*native_handle]]]
+    [[link asio.reference.posix__basic_stream_descriptor.native_handle [*native_handle]]]
     [Get the native descriptor representation. ]
   ]
   
   [
-    [[link asio.reference.posix__stream_descriptor.native_non_blocking [*native_non_blocking]]]
+    [[link asio.reference.posix__basic_stream_descriptor.native_non_blocking [*native_non_blocking]]]
     [Gets the non-blocking mode of the native descriptor implementation. 
-
+     [hr]
      Sets the non-blocking mode of the native descriptor implementation. ]
   ]
   
   [
-    [[link asio.reference.posix__stream_descriptor.non_blocking [*non_blocking]]]
+    [[link asio.reference.posix__basic_stream_descriptor.non_blocking [*non_blocking]]]
     [Gets the non-blocking mode of the descriptor. 
-
+     [hr]
      Sets the non-blocking mode of the descriptor. ]
   ]
   
   [
-    [[link asio.reference.posix__stream_descriptor.operator_eq_ [*operator=]]]
-    [Move-assign a stream_descriptor from another. ]
+    [[link asio.reference.posix__basic_stream_descriptor.operator_eq_ [*operator=]]]
+    [Move-assign a stream descriptor from another. ]
   ]
   
   [
-    [[link asio.reference.posix__stream_descriptor.read_some [*read_some]]]
+    [[link asio.reference.posix__basic_stream_descriptor.read_some [*read_some]]]
     [Read some data from the descriptor. ]
   ]
   
   [
-    [[link asio.reference.posix__stream_descriptor.release [*release]]]
+    [[link asio.reference.posix__basic_stream_descriptor.release [*release]]]
     [Release ownership of the native descriptor implementation. ]
   ]
   
   [
-    [[link asio.reference.posix__stream_descriptor.stream_descriptor [*stream_descriptor]]]
-    [Construct a stream_descriptor without opening it. 
-
-     Construct a stream_descriptor on an existing native descriptor. 
-
-     Move-construct a stream_descriptor from another. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__stream_descriptor.wait [*wait]]]
+    [[link asio.reference.posix__basic_stream_descriptor.wait [*wait]]]
     [Wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. ]
   ]
   
   [
-    [[link asio.reference.posix__stream_descriptor.write_some [*write_some]]]
+    [[link asio.reference.posix__basic_stream_descriptor.write_some [*write_some]]]
     [Write some data to the descriptor. ]
   ]
   
 ]
 
-The [link asio.reference.posix__stream_descriptor `posix::stream_descriptor`] class template provides asynchronous and blocking stream-oriented descriptor functionality.
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.posix__basic_stream_descriptor.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
+The [link asio.reference.posix__basic_stream_descriptor `posix::basic_stream_descriptor`] class template provides asynchronous and blocking stream-oriented descriptor functionality.
 
 
 [heading Thread Safety]
@@ -87651,279 +98043,6 @@ The [link asio.reference.posix__stream_descriptor `posix::stream_descriptor`] cl
 
 
 
-[heading Requirements]
-
-['Header: ][^asio/posix/stream_descriptor.hpp]
-
-['Convenience header: ][^asio.hpp]
-
-[section:assign posix::stream_descriptor::assign]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.assign..assign..posix::stream_descriptor] 
-Assign an existing native descriptor to the descriptor. 
-
-
-  void ``[link asio.reference.posix__stream_descriptor.assign.overload1 assign]``(
-      const native_handle_type & native_descriptor);
-  ``  [''''&raquo;''' [link asio.reference.posix__stream_descriptor.assign.overload1 more...]]``
-
-  void ``[link asio.reference.posix__stream_descriptor.assign.overload2 assign]``(
-      const native_handle_type & native_descriptor,
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.posix__stream_descriptor.assign.overload2 more...]]``
-
-
-[section:overload1 posix::stream_descriptor::assign (1 of 2 overloads)]
-
-
-['Inherited from posix::descriptor.]
-
-
-Assign an existing native descriptor to the descriptor. 
-
-
-  void assign(
-      const native_handle_type & native_descriptor);
-
-
-
-[endsect]
-
-
-
-[section:overload2 posix::stream_descriptor::assign (2 of 2 overloads)]
-
-
-['Inherited from posix::descriptor.]
-
-
-Assign an existing native descriptor to the descriptor. 
-
-
-  void assign(
-      const native_handle_type & native_descriptor,
-      asio::error_code & ec);
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[section:async_read_some posix::stream_descriptor::async_read_some]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.async_read_some..async_read_some..posix::stream_descriptor] 
-Start an asynchronous read. 
-
-
-  template<
-      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``,
-      typename ``[link asio.reference.ReadHandler ReadHandler]``>
-  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_read_some(
-      const MutableBufferSequence & buffers,
-      ReadHandler && handler);
-
-
-This function is used to asynchronously read data from the stream descriptor. The function call always returns immediately.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[buffers][One or more buffers into which the data will be read. Although the buffers object may be copied as necessary, ownership of the underlying memory blocks is retained by the caller, which must guarantee that they remain valid until the handler is called.]]
-
-[[handler][The handler to be called when the read operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
-``
-   void handler(
-     const asio::error_code& error, // Result of operation.
-     std::size_t bytes_transferred           // Number of bytes read.
-   ); 
-``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
-
-]
-
-
-[heading Remarks]
-      
-The read operation may not read all of the requested number of bytes. Consider using the [link asio.reference.async_read `async_read`]  function if you need to ensure that the requested amount of data is read before the asynchronous operation completes.
-
-
-[heading Example]
-  
-To read into a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
-
-   descriptor.async_read_some(asio::buffer(data, size), handler);
-
-
-See the [link asio.reference.buffer `buffer`]  documentation for information on reading into multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
-
-
-
-
-[endsect]
-
-
-
-[section:async_wait posix::stream_descriptor::async_wait]
-
-
-['Inherited from posix::descriptor.]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.async_wait..async_wait..posix::stream_descriptor] 
-Asynchronously wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. 
-
-
-  template<
-      typename ``[link asio.reference.WaitHandler WaitHandler]``>
-  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_wait(
-      wait_type w,
-      WaitHandler && handler);
-
-
-This function is used to perform an asynchronous wait for a descriptor to enter a ready to read, write or error condition state.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[w][Specifies the desired descriptor state.]]
-
-[[handler][The handler to be called when the wait operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
-``
-   void handler(
-     const asio::error_code& error // Result of operation
-   ); 
-``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
-
-]
-
-
-[heading Example]
-  
-
-
-   void wait_handler(const asio::error_code& error)
-   {
-     if (!error)
-     {
-       // Wait succeeded.
-     }
-   }
-
-   ...
-
-   asio::posix::stream_descriptor descriptor(io_context);
-   ...
-   descriptor.async_wait(
-       asio::posix::stream_descriptor::wait_read,
-       wait_handler);
-
-
-
-
-
-
-
-[endsect]
-
-
-
-[section:async_write_some posix::stream_descriptor::async_write_some]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.async_write_some..async_write_some..posix::stream_descriptor] 
-Start an asynchronous write. 
-
-
-  template<
-      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``,
-      typename ``[link asio.reference.WriteHandler WriteHandler]``>
-  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_write_some(
-      const ConstBufferSequence & buffers,
-      WriteHandler && handler);
-
-
-This function is used to asynchronously write data to the stream descriptor. The function call always returns immediately.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[buffers][One or more data buffers to be written to the descriptor. Although the buffers object may be copied as necessary, ownership of the underlying memory blocks is retained by the caller, which must guarantee that they remain valid until the handler is called.]]
-
-[[handler][The handler to be called when the write operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
-``
-   void handler(
-     const asio::error_code& error, // Result of operation.
-     std::size_t bytes_transferred           // Number of bytes written.
-   ); 
-``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
-
-]
-
-
-[heading Remarks]
-      
-The write operation may not transmit all of the data to the peer. Consider using the [link asio.reference.async_write `async_write`]  function if you need to ensure that all data is written before the asynchronous operation completes.
-
-
-[heading Example]
-  
-To write a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
-
-   descriptor.async_write_some(asio::buffer(data, size), handler);
-
-
-See the [link asio.reference.buffer `buffer`]  documentation for information on writing multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
-
-
-
-
-[endsect]
-
-
-
-[section:bytes_readable posix::stream_descriptor::bytes_readable]
-
-
-['Inherited from posix::descriptor.]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.bytes_readable..bytes_readable..posix::stream_descriptor] 
-IO control command to get the amount of data that can be read without blocking. 
-
-
-  typedef implementation_defined bytes_readable;
-
-
-
-Implements the FIONREAD IO control command.
-
-
-[heading Example]
-  
-
-
-   asio::posix::stream_descriptor descriptor(io_context); 
-   ...
-   asio::descriptor_base::bytes_readable command(true);
-   descriptor.io_control(command);
-   std::size_t bytes_readable = command.get();
-
-
-
-
-
-
 
 [heading Requirements]
 
@@ -87935,1637 +98054,11 @@ Implements the FIONREAD IO control command.
 [endsect]
 
 
-[section:cancel posix::stream_descriptor::cancel]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.cancel..cancel..posix::stream_descriptor] 
-Cancel all asynchronous operations associated with the descriptor. 
-
-
-  void ``[link asio.reference.posix__stream_descriptor.cancel.overload1 cancel]``();
-  ``  [''''&raquo;''' [link asio.reference.posix__stream_descriptor.cancel.overload1 more...]]``
-
-  void ``[link asio.reference.posix__stream_descriptor.cancel.overload2 cancel]``(
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.posix__stream_descriptor.cancel.overload2 more...]]``
-
-
-[section:overload1 posix::stream_descriptor::cancel (1 of 2 overloads)]
-
-
-['Inherited from posix::descriptor.]
-
-
-Cancel all asynchronous operations associated with the descriptor. 
-
-
-  void cancel();
-
-
-This function causes all outstanding asynchronous read or write operations to finish immediately, and the handlers for cancelled operations will be passed the `asio::error::operation_aborted` error.
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 posix::stream_descriptor::cancel (2 of 2 overloads)]
-
-
-['Inherited from posix::descriptor.]
-
-
-Cancel all asynchronous operations associated with the descriptor. 
-
-
-  void cancel(
-      asio::error_code & ec);
-
-
-This function causes all outstanding asynchronous read or write operations to finish immediately, and the handlers for cancelled operations will be passed the `asio::error::operation_aborted` error.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[ec][Set to indicate what error occurred, if any. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-[section:close posix::stream_descriptor::close]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.close..close..posix::stream_descriptor] 
-Close the descriptor. 
-
-
-  void ``[link asio.reference.posix__stream_descriptor.close.overload1 close]``();
-  ``  [''''&raquo;''' [link asio.reference.posix__stream_descriptor.close.overload1 more...]]``
-
-  void ``[link asio.reference.posix__stream_descriptor.close.overload2 close]``(
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.posix__stream_descriptor.close.overload2 more...]]``
-
-
-[section:overload1 posix::stream_descriptor::close (1 of 2 overloads)]
-
-
-['Inherited from posix::descriptor.]
-
-
-Close the descriptor. 
-
-
-  void close();
-
-
-This function is used to close the descriptor. Any asynchronous read or write operations will be cancelled immediately, and will complete with the `asio::error::operation_aborted` error.
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. Note that, even if the function indicates an error, the underlying descriptor is closed. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 posix::stream_descriptor::close (2 of 2 overloads)]
-
-
-['Inherited from posix::descriptor.]
-
-
-Close the descriptor. 
-
-
-  void close(
-      asio::error_code & ec);
-
-
-This function is used to close the descriptor. Any asynchronous read or write operations will be cancelled immediately, and will complete with the `asio::error::operation_aborted` error.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[ec][Set to indicate what error occurred, if any. Note that, even if the function indicates an error, the underlying descriptor is closed. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[section:executor_type posix::stream_descriptor::executor_type]
-
-
-['Inherited from posix::descriptor.]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.executor_type..executor_type..posix::stream_descriptor] 
-The type of the executor associated with the object. 
-
-
-  typedef io_context::executor_type executor_type;
-
-
-[heading Member Functions]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.context [*context]]]
-    [Obtain the underlying execution context. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.defer [*defer]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.dispatch [*dispatch]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_finished [*on_work_finished]]]
-    [Inform the io_context that some work is no longer outstanding. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_started [*on_work_started]]]
-    [Inform the io_context that it has some outstanding work to do. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.post [*post]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.running_in_this_thread [*running_in_this_thread]]]
-    [Determine whether the io_context is running in the current thread. ]
-  ]
-  
-]
-
-[heading Friends]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.operator_not__eq_ [*operator!=]]]
-    [Compare two executors for inequality. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.operator_eq__eq_ [*operator==]]]
-    [Compare two executors for equality. ]
-  ]
-  
-]
-
-
-[heading Requirements]
-
-['Header: ][^asio/posix/stream_descriptor.hpp]
-
-['Convenience header: ][^asio.hpp]
-
-
-[endsect]
-
-
-
-[section:get_executor posix::stream_descriptor::get_executor]
-
-
-['Inherited from posix::descriptor.]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.get_executor..get_executor..posix::stream_descriptor] 
-Get the executor associated with the object. 
-
-
-  executor_type get_executor();
-
-
-
-[endsect]
-
-
-
-[section:get_io_context posix::stream_descriptor::get_io_context]
-
-
-['Inherited from posix::descriptor.]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.get_io_context..get_io_context..posix::stream_descriptor] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_context();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
-[section:get_io_service posix::stream_descriptor::get_io_service]
-
-
-['Inherited from posix::descriptor.]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.get_io_service..get_io_service..posix::stream_descriptor] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_service();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-[section:io_control posix::stream_descriptor::io_control]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.io_control..io_control..posix::stream_descriptor] 
-Perform an IO control command on the descriptor. 
-
-
-  template<
-      typename ``[link asio.reference.IoControlCommand IoControlCommand]``>
-  void ``[link asio.reference.posix__stream_descriptor.io_control.overload1 io_control]``(
-      IoControlCommand & command);
-  ``  [''''&raquo;''' [link asio.reference.posix__stream_descriptor.io_control.overload1 more...]]``
-
-  template<
-      typename ``[link asio.reference.IoControlCommand IoControlCommand]``>
-  void ``[link asio.reference.posix__stream_descriptor.io_control.overload2 io_control]``(
-      IoControlCommand & command,
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.posix__stream_descriptor.io_control.overload2 more...]]``
-
-
-[section:overload1 posix::stream_descriptor::io_control (1 of 2 overloads)]
-
-
-['Inherited from posix::descriptor.]
-
-
-Perform an IO control command on the descriptor. 
-
-
-  template<
-      typename ``[link asio.reference.IoControlCommand IoControlCommand]``>
-  void io_control(
-      IoControlCommand & command);
-
-
-This function is used to execute an IO control command on the descriptor.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[command][The IO control command to be performed on the descriptor.]]
-
-]
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure.]]
-
-]
-
-
-
-[heading Example]
-  
-Getting the number of bytes ready to read: 
-
-   asio::posix::stream_descriptor descriptor(io_context);
-   ...
-   asio::posix::stream_descriptor::bytes_readable command;
-   descriptor.io_control(command);
-   std::size_t bytes_readable = command.get();
-
-
-
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 posix::stream_descriptor::io_control (2 of 2 overloads)]
-
-
-['Inherited from posix::descriptor.]
-
-
-Perform an IO control command on the descriptor. 
-
-
-  template<
-      typename ``[link asio.reference.IoControlCommand IoControlCommand]``>
-  void io_control(
-      IoControlCommand & command,
-      asio::error_code & ec);
-
-
-This function is used to execute an IO control command on the descriptor.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[command][The IO control command to be performed on the descriptor.]]
-
-[[ec][Set to indicate what error occurred, if any.]]
-
-]
-
-
-
-[heading Example]
-  
-Getting the number of bytes ready to read: 
-
-   asio::posix::stream_descriptor descriptor(io_context);
-   ...
-   asio::posix::stream_descriptor::bytes_readable command;
-   asio::error_code ec;
-   descriptor.io_control(command, ec);
-   if (ec)
-   {
-     // An error occurred.
-   }
-   std::size_t bytes_readable = command.get();
-
-
-
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[section:is_open posix::stream_descriptor::is_open]
-
-
-['Inherited from posix::descriptor.]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.is_open..is_open..posix::stream_descriptor] 
-Determine whether the descriptor is open. 
-
-
-  bool is_open() const;
-
-
-
-[endsect]
-
-
-[section:lowest_layer posix::stream_descriptor::lowest_layer]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.lowest_layer..lowest_layer..posix::stream_descriptor] 
-Get a reference to the lowest layer. 
-
-
-  lowest_layer_type & ``[link asio.reference.posix__stream_descriptor.lowest_layer.overload1 lowest_layer]``();
-  ``  [''''&raquo;''' [link asio.reference.posix__stream_descriptor.lowest_layer.overload1 more...]]``
-
-
-Get a const reference to the lowest layer. 
-
-
-  const lowest_layer_type & ``[link asio.reference.posix__stream_descriptor.lowest_layer.overload2 lowest_layer]``() const;
-  ``  [''''&raquo;''' [link asio.reference.posix__stream_descriptor.lowest_layer.overload2 more...]]``
-
-
-[section:overload1 posix::stream_descriptor::lowest_layer (1 of 2 overloads)]
-
-
-['Inherited from posix::descriptor.]
-
-
-Get a reference to the lowest layer. 
-
-
-  lowest_layer_type & lowest_layer();
-
-
-This function returns a reference to the lowest layer in a stack of layers. Since a descriptor cannot contain any further layers, it simply returns a reference to itself.
-
-
-[heading Return Value]
-      
-A reference to the lowest layer in the stack of layers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 posix::stream_descriptor::lowest_layer (2 of 2 overloads)]
-
-
-['Inherited from posix::descriptor.]
-
-
-Get a const reference to the lowest layer. 
-
-
-  const lowest_layer_type & lowest_layer() const;
-
-
-This function returns a const reference to the lowest layer in a stack of layers. Since a descriptor cannot contain any further layers, it simply returns a reference to itself.
-
-
-[heading Return Value]
-      
-A const reference to the lowest layer in the stack of layers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[section:lowest_layer_type posix::stream_descriptor::lowest_layer_type]
-
-
-['Inherited from posix::descriptor.]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.lowest_layer_type..lowest_layer_type..posix::stream_descriptor] 
-A descriptor is always the lowest layer. 
-
-
-  typedef descriptor lowest_layer_type;
-
-
-[heading Types]
-[table
-  [[Name][Description]]
-
-  [
-
-    [[link asio.reference.posix__descriptor.bytes_readable [*bytes_readable]]]
-    [IO control command to get the amount of data that can be read without blocking. ]
-  
-  ]
-
-  [
-
-    [[link asio.reference.posix__descriptor.executor_type [*executor_type]]]
-    [The type of the executor associated with the object. ]
-  
-  ]
-
-  [
-
-    [[link asio.reference.posix__descriptor.lowest_layer_type [*lowest_layer_type]]]
-    [A descriptor is always the lowest layer. ]
-  
-  ]
-
-  [
-
-    [[link asio.reference.posix__descriptor.native_handle_type [*native_handle_type]]]
-    [The native representation of a descriptor. ]
-  
-  ]
-
-  [
-
-    [[link asio.reference.posix__descriptor.wait_type [*wait_type]]]
-    [Wait types. ]
-  
-  ]
-
-]
-
-[heading Member Functions]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.posix__descriptor.assign [*assign]]]
-    [Assign an existing native descriptor to the descriptor. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__descriptor.async_wait [*async_wait]]]
-    [Asynchronously wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__descriptor.cancel [*cancel]]]
-    [Cancel all asynchronous operations associated with the descriptor. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__descriptor.close [*close]]]
-    [Close the descriptor. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__descriptor.descriptor [*descriptor]]]
-    [Construct a descriptor without opening it. 
-
-     Construct a descriptor on an existing native descriptor. 
-
-     Move-construct a descriptor from another. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__descriptor.get_executor [*get_executor]]]
-    [Get the executor associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__descriptor.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__descriptor.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__descriptor.io_control [*io_control]]]
-    [Perform an IO control command on the descriptor. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__descriptor.is_open [*is_open]]]
-    [Determine whether the descriptor is open. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__descriptor.lowest_layer [*lowest_layer]]]
-    [Get a reference to the lowest layer. 
-
-     Get a const reference to the lowest layer. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__descriptor.native_handle [*native_handle]]]
-    [Get the native descriptor representation. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__descriptor.native_non_blocking [*native_non_blocking]]]
-    [Gets the non-blocking mode of the native descriptor implementation. 
-
-     Sets the non-blocking mode of the native descriptor implementation. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__descriptor.non_blocking [*non_blocking]]]
-    [Gets the non-blocking mode of the descriptor. 
-
-     Sets the non-blocking mode of the descriptor. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__descriptor.operator_eq_ [*operator=]]]
-    [Move-assign a descriptor from another. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__descriptor.release [*release]]]
-    [Release ownership of the native descriptor implementation. ]
-  ]
-  
-  [
-    [[link asio.reference.posix__descriptor.wait [*wait]]]
-    [Wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. ]
-  ]
-  
-]
-
-[heading Protected Member Functions]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.posix__descriptor._descriptor [*~descriptor]]]
-    [Protected destructor to prevent deletion through this type. ]
-  ]
-  
-]
-
-The [link asio.reference.posix__descriptor `posix::descriptor`] class template provides the ability to wrap a POSIX descriptor.
-
-
-[heading Thread Safety]
-  
-['Distinct] ['objects:] Safe.
-
-['Shared] ['objects:] Unsafe. 
-
-
-
-
-[heading Requirements]
-
-['Header: ][^asio/posix/stream_descriptor.hpp]
-
-['Convenience header: ][^asio.hpp]
-
-
-[endsect]
-
-
-
-[section:native_handle posix::stream_descriptor::native_handle]
-
-
-['Inherited from posix::descriptor.]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.native_handle..native_handle..posix::stream_descriptor] 
-Get the native descriptor representation. 
-
-
-  native_handle_type native_handle();
-
-
-This function may be used to obtain the underlying representation of the descriptor. This is intended to allow access to native descriptor functionality that is not otherwise provided. 
-
-
-[endsect]
-
-
-
-[section:native_handle_type posix::stream_descriptor::native_handle_type]
-
-
-['Inherited from posix::descriptor.]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.native_handle_type..native_handle_type..posix::stream_descriptor] 
-The native representation of a descriptor. 
-
-
-  typedef implementation_defined native_handle_type;
-
-
-
-[heading Requirements]
-
-['Header: ][^asio/posix/stream_descriptor.hpp]
-
-['Convenience header: ][^asio.hpp]
-
-
-[endsect]
-
-
-[section:native_non_blocking posix::stream_descriptor::native_non_blocking]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.native_non_blocking..native_non_blocking..posix::stream_descriptor] 
-Gets the non-blocking mode of the native descriptor implementation. 
-
-
-  bool ``[link asio.reference.posix__stream_descriptor.native_non_blocking.overload1 native_non_blocking]``() const;
-  ``  [''''&raquo;''' [link asio.reference.posix__stream_descriptor.native_non_blocking.overload1 more...]]``
-
-
-Sets the non-blocking mode of the native descriptor implementation. 
-
-
-  void ``[link asio.reference.posix__stream_descriptor.native_non_blocking.overload2 native_non_blocking]``(
-      bool mode);
-  ``  [''''&raquo;''' [link asio.reference.posix__stream_descriptor.native_non_blocking.overload2 more...]]``
-
-  void ``[link asio.reference.posix__stream_descriptor.native_non_blocking.overload3 native_non_blocking]``(
-      bool mode,
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.posix__stream_descriptor.native_non_blocking.overload3 more...]]``
-
-
-[section:overload1 posix::stream_descriptor::native_non_blocking (1 of 3 overloads)]
-
-
-['Inherited from posix::descriptor.]
-
-
-Gets the non-blocking mode of the native descriptor implementation. 
-
-
-  bool native_non_blocking() const;
-
-
-This function is used to retrieve the non-blocking mode of the underlying native descriptor. This mode has no effect on the behaviour of the descriptor object's synchronous operations.
-
-
-[heading Return Value]
-      
-`true` if the underlying descriptor is in non-blocking mode and direct system calls may fail with `asio::error::would_block` (or the equivalent system error).
-
-
-[heading Remarks]
-      
-The current non-blocking mode is cached by the descriptor object. Consequently, the return value may be incorrect if the non-blocking mode was set directly on the native descriptor. 
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 posix::stream_descriptor::native_non_blocking (2 of 3 overloads)]
-
-
-['Inherited from posix::descriptor.]
-
-
-Sets the non-blocking mode of the native descriptor implementation. 
-
-
-  void native_non_blocking(
-      bool mode);
-
-
-This function is used to modify the non-blocking mode of the underlying native descriptor. It has no effect on the behaviour of the descriptor object's synchronous operations.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[mode][If `true`, the underlying descriptor is put into non-blocking mode and direct system calls may fail with `asio::error::would_block` (or the equivalent system error).]]
-
-]
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. If the `mode` is `false`, but the current value of `non_blocking()` is `true`, this function fails with `asio::error::invalid_argument`, as the combination does not make sense. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload3 posix::stream_descriptor::native_non_blocking (3 of 3 overloads)]
-
-
-['Inherited from posix::descriptor.]
-
-
-Sets the non-blocking mode of the native descriptor implementation. 
-
-
-  void native_non_blocking(
-      bool mode,
-      asio::error_code & ec);
-
-
-This function is used to modify the non-blocking mode of the underlying native descriptor. It has no effect on the behaviour of the descriptor object's synchronous operations.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[mode][If `true`, the underlying descriptor is put into non-blocking mode and direct system calls may fail with `asio::error::would_block` (or the equivalent system error).]]
-
-[[ec][Set to indicate what error occurred, if any. If the `mode` is `false`, but the current value of `non_blocking()` is `true`, this function fails with `asio::error::invalid_argument`, as the combination does not make sense. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-[section:non_blocking posix::stream_descriptor::non_blocking]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.non_blocking..non_blocking..posix::stream_descriptor] 
-Gets the non-blocking mode of the descriptor. 
-
-
-  bool ``[link asio.reference.posix__stream_descriptor.non_blocking.overload1 non_blocking]``() const;
-  ``  [''''&raquo;''' [link asio.reference.posix__stream_descriptor.non_blocking.overload1 more...]]``
-
-
-Sets the non-blocking mode of the descriptor. 
-
-
-  void ``[link asio.reference.posix__stream_descriptor.non_blocking.overload2 non_blocking]``(
-      bool mode);
-  ``  [''''&raquo;''' [link asio.reference.posix__stream_descriptor.non_blocking.overload2 more...]]``
-
-  void ``[link asio.reference.posix__stream_descriptor.non_blocking.overload3 non_blocking]``(
-      bool mode,
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.posix__stream_descriptor.non_blocking.overload3 more...]]``
-
-
-[section:overload1 posix::stream_descriptor::non_blocking (1 of 3 overloads)]
-
-
-['Inherited from posix::descriptor.]
-
-
-Gets the non-blocking mode of the descriptor. 
-
-
-  bool non_blocking() const;
-
-
-
-[heading Return Value]
-      
-`true` if the descriptor's synchronous operations will fail with `asio::error::would_block` if they are unable to perform the requested operation immediately. If `false`, synchronous operations will block until complete.
-
-
-[heading Remarks]
-      
-The non-blocking mode has no effect on the behaviour of asynchronous operations. Asynchronous operations will never fail with the error `asio::error::would_block`. 
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 posix::stream_descriptor::non_blocking (2 of 3 overloads)]
-
-
-['Inherited from posix::descriptor.]
-
-
-Sets the non-blocking mode of the descriptor. 
-
-
-  void non_blocking(
-      bool mode);
-
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[mode][If `true`, the descriptor's synchronous operations will fail with `asio::error::would_block` if they are unable to perform the requested operation immediately. If `false`, synchronous operations will block until complete.]]
-
-]
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure.]]
-
-]
-
-
-[heading Remarks]
-      
-The non-blocking mode has no effect on the behaviour of asynchronous operations. Asynchronous operations will never fail with the error `asio::error::would_block`. 
-
-
-
-
-[endsect]
-
-
-
-[section:overload3 posix::stream_descriptor::non_blocking (3 of 3 overloads)]
-
-
-['Inherited from posix::descriptor.]
-
-
-Sets the non-blocking mode of the descriptor. 
-
-
-  void non_blocking(
-      bool mode,
-      asio::error_code & ec);
-
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[mode][If `true`, the descriptor's synchronous operations will fail with `asio::error::would_block` if they are unable to perform the requested operation immediately. If `false`, synchronous operations will block until complete.]]
-
-[[ec][Set to indicate what error occurred, if any.]]
-
-]
-
-
-[heading Remarks]
-      
-The non-blocking mode has no effect on the behaviour of asynchronous operations. Asynchronous operations will never fail with the error `asio::error::would_block`. 
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[section:operator_eq_ posix::stream_descriptor::operator=]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.operator_eq_..operator=..posix::stream_descriptor] 
-Move-assign a [link asio.reference.posix__stream_descriptor `posix::stream_descriptor`] from another. 
-
-
-  stream_descriptor & operator=(
-      stream_descriptor && other);
-
-
-This assignment operator moves a stream descriptor from one object to another.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[other][The other [link asio.reference.posix__stream_descriptor `posix::stream_descriptor`] object from which the move will occur.]]
-
-]
-
-
-[heading Remarks]
-      
-Following the move, the moved-from object is in the same state as if constructed using the `stream_descriptor(io_context&) constructor`. 
-
-
-
-
-[endsect]
-
-
-[section:read_some posix::stream_descriptor::read_some]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.read_some..read_some..posix::stream_descriptor] 
-Read some data from the descriptor. 
-
-
-  template<
-      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
-  std::size_t ``[link asio.reference.posix__stream_descriptor.read_some.overload1 read_some]``(
-      const MutableBufferSequence & buffers);
-  ``  [''''&raquo;''' [link asio.reference.posix__stream_descriptor.read_some.overload1 more...]]``
-
-  template<
-      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
-  std::size_t ``[link asio.reference.posix__stream_descriptor.read_some.overload2 read_some]``(
-      const MutableBufferSequence & buffers,
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.posix__stream_descriptor.read_some.overload2 more...]]``
-
-
-[section:overload1 posix::stream_descriptor::read_some (1 of 2 overloads)]
-
-
-Read some data from the descriptor. 
-
-
-  template<
-      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
-  std::size_t read_some(
-      const MutableBufferSequence & buffers);
-
-
-This function is used to read data from the stream descriptor. The function call will block until one or more bytes of data has been read successfully, or until an error occurs.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[buffers][One or more buffers into which the data will be read.]]
-
-]
-
-
-[heading Return Value]
-      
-The number of bytes read.
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. An error code of `asio::error::eof` indicates that the connection was closed by the peer.]]
-
-]
-
-
-[heading Remarks]
-      
-The read\_some operation may not read all of the requested number of bytes. Consider using the [link asio.reference.read `read`]  function if you need to ensure that the requested amount of data is read before the blocking operation completes.
-
-
-[heading Example]
-  
-To read into a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
-
-   descriptor.read_some(asio::buffer(data, size));
-
-
-See the [link asio.reference.buffer `buffer`]  documentation for information on reading into multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 posix::stream_descriptor::read_some (2 of 2 overloads)]
-
-
-Read some data from the descriptor. 
-
-
-  template<
-      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
-  std::size_t read_some(
-      const MutableBufferSequence & buffers,
-      asio::error_code & ec);
-
-
-This function is used to read data from the stream descriptor. The function call will block until one or more bytes of data has been read successfully, or until an error occurs.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[buffers][One or more buffers into which the data will be read.]]
-
-[[ec][Set to indicate what error occurred, if any.]]
-
-]
-
-
-[heading Return Value]
-      
-The number of bytes read. Returns 0 if an error occurred.
-
-
-[heading Remarks]
-      
-The read\_some operation may not read all of the requested number of bytes. Consider using the [link asio.reference.read `read`]  function if you need to ensure that the requested amount of data is read before the blocking operation completes. 
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[section:release posix::stream_descriptor::release]
-
-
-['Inherited from posix::descriptor.]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.release..release..posix::stream_descriptor] 
-Release ownership of the native descriptor implementation. 
-
-
-  native_handle_type release();
-
-
-This function may be used to obtain the underlying representation of the descriptor. After calling this function, `is_open()` returns false. The caller is responsible for closing the descriptor.
-
-All outstanding asynchronous read or write operations will finish immediately, and the handlers for cancelled operations will be passed the `asio::error::operation_aborted` error. 
-
-
-[endsect]
-
-
-[section:stream_descriptor posix::stream_descriptor::stream_descriptor]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.stream_descriptor..stream_descriptor..posix::stream_descriptor] 
-Construct a [link asio.reference.posix__stream_descriptor `posix::stream_descriptor`] without opening it. 
-
-
-  explicit ``[link asio.reference.posix__stream_descriptor.stream_descriptor.overload1 stream_descriptor]``(
-      asio::io_context & io_context);
-  ``  [''''&raquo;''' [link asio.reference.posix__stream_descriptor.stream_descriptor.overload1 more...]]``
-
-
-Construct a [link asio.reference.posix__stream_descriptor `posix::stream_descriptor`] on an existing native descriptor. 
-
-
-  ``[link asio.reference.posix__stream_descriptor.stream_descriptor.overload2 stream_descriptor]``(
-      asio::io_context & io_context,
-      const native_handle_type & native_descriptor);
-  ``  [''''&raquo;''' [link asio.reference.posix__stream_descriptor.stream_descriptor.overload2 more...]]``
-
-
-Move-construct a [link asio.reference.posix__stream_descriptor `posix::stream_descriptor`] from another. 
-
-
-  ``[link asio.reference.posix__stream_descriptor.stream_descriptor.overload3 stream_descriptor]``(
-      stream_descriptor && other);
-  ``  [''''&raquo;''' [link asio.reference.posix__stream_descriptor.stream_descriptor.overload3 more...]]``
-
-
-[section:overload1 posix::stream_descriptor::stream_descriptor (1 of 3 overloads)]
-
-
-Construct a [link asio.reference.posix__stream_descriptor `posix::stream_descriptor`] without opening it. 
-
-
-  stream_descriptor(
-      asio::io_context & io_context);
-
-
-This constructor creates a stream descriptor without opening it. The descriptor needs to be opened and then connected or accepted before data can be sent or received on it.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[io_context][The [link asio.reference.io_context `io_context`] object that the stream descriptor will use to dispatch handlers for any asynchronous operations performed on the descriptor. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 posix::stream_descriptor::stream_descriptor (2 of 3 overloads)]
-
-
-Construct a [link asio.reference.posix__stream_descriptor `posix::stream_descriptor`] on an existing native descriptor. 
-
-
-  stream_descriptor(
-      asio::io_context & io_context,
-      const native_handle_type & native_descriptor);
-
-
-This constructor creates a stream descriptor object to hold an existing native descriptor.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[io_context][The [link asio.reference.io_context `io_context`] object that the stream descriptor will use to dispatch handlers for any asynchronous operations performed on the descriptor.]]
-
-[[native_descriptor][The new underlying descriptor implementation.]]
-
-]
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload3 posix::stream_descriptor::stream_descriptor (3 of 3 overloads)]
-
-
-Move-construct a [link asio.reference.posix__stream_descriptor `posix::stream_descriptor`] from another. 
-
-
-  stream_descriptor(
-      stream_descriptor && other);
-
-
-This constructor moves a stream descriptor from one object to another.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[other][The other [link asio.reference.posix__stream_descriptor `posix::stream_descriptor`] object from which the move will occur.]]
-
-]
-
-
-[heading Remarks]
-      
-Following the move, the moved-from object is in the same state as if constructed using the `stream_descriptor(io_context&) constructor`. 
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-[section:wait posix::stream_descriptor::wait]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.wait..wait..posix::stream_descriptor] 
-Wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. 
-
-
-  void ``[link asio.reference.posix__stream_descriptor.wait.overload1 wait]``(
-      wait_type w);
-  ``  [''''&raquo;''' [link asio.reference.posix__stream_descriptor.wait.overload1 more...]]``
-
-  void ``[link asio.reference.posix__stream_descriptor.wait.overload2 wait]``(
-      wait_type w,
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.posix__stream_descriptor.wait.overload2 more...]]``
-
-
-[section:overload1 posix::stream_descriptor::wait (1 of 2 overloads)]
-
-
-['Inherited from posix::descriptor.]
-
-
-Wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. 
-
-
-  void wait(
-      wait_type w);
-
-
-This function is used to perform a blocking wait for a descriptor to enter a ready to read, write or error condition state.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[w][Specifies the desired descriptor state.]]
-
-]
-
-
-[heading Example]
-  
-Waiting for a descriptor to become readable. 
-
-   asio::posix::stream_descriptor descriptor(io_context);
-   ...
-   descriptor.wait(asio::posix::stream_descriptor::wait_read);
-
-
-
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 posix::stream_descriptor::wait (2 of 2 overloads)]
-
-
-['Inherited from posix::descriptor.]
-
-
-Wait for the descriptor to become ready to read, ready to write, or to have pending error conditions. 
-
-
-  void wait(
-      wait_type w,
-      asio::error_code & ec);
-
-
-This function is used to perform a blocking wait for a descriptor to enter a ready to read, write or error condition state.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[w][Specifies the desired descriptor state.]]
-
-[[ec][Set to indicate what error occurred, if any.]]
-
-]
-
-
-[heading Example]
-  
-Waiting for a descriptor to become readable. 
-
-   asio::posix::stream_descriptor descriptor(io_context);
-   ...
-   asio::error_code ec;
-   descriptor.wait(asio::posix::stream_descriptor::wait_read, ec);
-
-
-
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[section:wait_type posix::stream_descriptor::wait_type]
-
-
-['Inherited from posix::descriptor.]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.wait_type..wait_type..posix::stream_descriptor] 
-Wait types. 
-
-
-  enum wait_type
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.wait_type.wait_read..wait_read..posix::stream_descriptor]
-[indexterm2 asio.indexterm.posix__stream_descriptor.wait_type.wait_write..wait_write..posix::stream_descriptor]
-[indexterm2 asio.indexterm.posix__stream_descriptor.wait_type.wait_error..wait_error..posix::stream_descriptor]
-
-[heading Values]
-[variablelist
-
-  [
-    [wait_read]
-    [Wait for a descriptor to become ready to read. ]
-  ]
-
-  [
-    [wait_write]
-    [Wait for a descriptor to become ready to write. ]
-  ]
-
-  [
-    [wait_error]
-    [Wait for a descriptor to have error conditions pending. ]
-  ]
-
-]
-
-
-For use with `descriptor::wait()` and `descriptor::async_wait()`. 
-
-
-[endsect]
-
-
-[section:write_some posix::stream_descriptor::write_some]
-
-[indexterm2 asio.indexterm.posix__stream_descriptor.write_some..write_some..posix::stream_descriptor] 
-Write some data to the descriptor. 
-
-
-  template<
-      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
-  std::size_t ``[link asio.reference.posix__stream_descriptor.write_some.overload1 write_some]``(
-      const ConstBufferSequence & buffers);
-  ``  [''''&raquo;''' [link asio.reference.posix__stream_descriptor.write_some.overload1 more...]]``
-
-  template<
-      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
-  std::size_t ``[link asio.reference.posix__stream_descriptor.write_some.overload2 write_some]``(
-      const ConstBufferSequence & buffers,
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.posix__stream_descriptor.write_some.overload2 more...]]``
-
-
-[section:overload1 posix::stream_descriptor::write_some (1 of 2 overloads)]
-
-
-Write some data to the descriptor. 
-
-
-  template<
-      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
-  std::size_t write_some(
-      const ConstBufferSequence & buffers);
-
-
-This function is used to write data to the stream descriptor. The function call will block until one or more bytes of the data has been written successfully, or until an error occurs.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[buffers][One or more data buffers to be written to the descriptor.]]
-
-]
-
-
-[heading Return Value]
-      
-The number of bytes written.
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. An error code of `asio::error::eof` indicates that the connection was closed by the peer.]]
-
-]
-
-
-[heading Remarks]
-      
-The write\_some operation may not transmit all of the data to the peer. Consider using the [link asio.reference.write `write`]  function if you need to ensure that all data is written before the blocking operation completes.
-
-
-[heading Example]
-  
-To write a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
-
-   descriptor.write_some(asio::buffer(data, size));
-
-
-See the [link asio.reference.buffer `buffer`]  documentation for information on writing multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 posix::stream_descriptor::write_some (2 of 2 overloads)]
-
-
-Write some data to the descriptor. 
-
-
-  template<
-      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
-  std::size_t write_some(
-      const ConstBufferSequence & buffers,
-      asio::error_code & ec);
-
-
-This function is used to write data to the stream descriptor. The function call will block until one or more bytes of the data has been written successfully, or until an error occurs.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[buffers][One or more data buffers to be written to the descriptor.]]
-
-[[ec][Set to indicate what error occurred, if any.]]
-
-]
-
-
-[heading Return Value]
-      
-The number of bytes written. Returns 0 if an error occurred.
-
-
-[heading Remarks]
-      
-The write\_some operation may not transmit all of the data to the peer. Consider using the [link asio.reference.write `write`]  function if you need to ensure that all data is written before the blocking operation completes. 
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[endsect]
-
 [section:post post]
 
 [indexterm1 asio.indexterm.post..post] 
 Submits a completion token or function object for execution. 
 
-    
   template<
       typename CompletionToken>
   ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` ``[link asio.reference.post.overload1 post]``(
@@ -89611,6 +98104,8 @@ Submits a completion token or function object for execution.
 
 This function submits an object for execution using the object's associated executor. The function object is queued for execution, and is never called from the current thread prior to returning from `post()`.
 
+The use of `post()`, rather than [link asio.reference.defer `defer`] , indicates the caller's preference that the function object be eagerly queued for execution.
+
 This function has the following effects:
 
 
@@ -89655,6 +98150,8 @@ Submits a completion token or function object for execution.
 
 This function submits an object for execution using the specified executor. The function object is queued for execution, and is never called from the current thread prior to returning from `post()`.
 
+The use of `post()`, rather than [link asio.reference.defer `defer`] , indicates the caller's preference that the function object be eagerly queued for execution.
+
 This function has the following effects:
 
 
@@ -89719,9 +98216,11 @@ Submits a completion token or function object for execution.
 [section:read read]
 
 [indexterm1 asio.indexterm.read..read] 
+The `read` function is a composed operation that reads a certain amount of data from a stream before returning. 
+
+
 Attempt to read a certain amount of data from a stream before returning. 
 
-      
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
       typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
@@ -89766,44 +98265,44 @@ Attempt to read a certain amount of data from a stream before returning.
 
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``>
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``>
   std::size_t ``[link asio.reference.read.overload5 read]``(
       SyncReadStream & s,
-      DynamicBuffer && buffers,
-      typename enable_if< is_dynamic_buffer< DynamicBuffer >::value >::type *  = 0);
+      DynamicBuffer_v1 && buffers,
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.read.overload5 more...]]``
 
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``>
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``>
   std::size_t ``[link asio.reference.read.overload6 read]``(
       SyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       asio::error_code & ec,
-      typename enable_if< is_dynamic_buffer< DynamicBuffer >::value >::type *  = 0);
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.read.overload6 more...]]``
 
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename ``[link asio.reference.CompletionCondition CompletionCondition]``>
   std::size_t ``[link asio.reference.read.overload7 read]``(
       SyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       CompletionCondition completion_condition,
-      typename enable_if< is_dynamic_buffer< DynamicBuffer >::value >::type *  = 0);
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.read.overload7 more...]]``
 
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename ``[link asio.reference.CompletionCondition CompletionCondition]``>
   std::size_t ``[link asio.reference.read.overload8 read]``(
       SyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       CompletionCondition completion_condition,
       asio::error_code & ec,
-      typename enable_if< is_dynamic_buffer< DynamicBuffer >::value >::type *  = 0);
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.read.overload8 more...]]``
 
   template<
@@ -89844,6 +98343,48 @@ Attempt to read a certain amount of data from a stream before returning.
       asio::error_code & ec);
   ``  [''''&raquo;''' [link asio.reference.read.overload12 more...]]``
 
+  template<
+      typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``>
+  std::size_t ``[link asio.reference.read.overload13 read]``(
+      SyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.read.overload13 more...]]``
+
+  template<
+      typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``>
+  std::size_t ``[link asio.reference.read.overload14 read]``(
+      SyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      asio::error_code & ec,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.read.overload14 more...]]``
+
+  template<
+      typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename ``[link asio.reference.CompletionCondition CompletionCondition]``>
+  std::size_t ``[link asio.reference.read.overload15 read]``(
+      SyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      CompletionCondition completion_condition,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.read.overload15 more...]]``
+
+  template<
+      typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename ``[link asio.reference.CompletionCondition CompletionCondition]``>
+  std::size_t ``[link asio.reference.read.overload16 read]``(
+      SyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      CompletionCondition completion_condition,
+      asio::error_code & ec,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.read.overload16 more...]]``
+
 [heading Requirements]
 
 ['Header: ][^asio/read.hpp]
@@ -89851,7 +98392,7 @@ Attempt to read a certain amount of data from a stream before returning.
 ['Convenience header: ][^asio.hpp]
 
 
-[section:overload1 read (1 of 12 overloads)]
+[section:overload1 read (1 of 16 overloads)]
 
 
 Attempt to read a certain amount of data from a stream before returning. 
@@ -89932,7 +98473,7 @@ This overload is equivalent to calling:
 
 
 
-[section:overload2 read (2 of 12 overloads)]
+[section:overload2 read (2 of 16 overloads)]
 
 
 Attempt to read a certain amount of data from a stream before returning. 
@@ -90006,7 +98547,7 @@ This overload is equivalent to calling:
 
 
 
-[section:overload3 read (3 of 12 overloads)]
+[section:overload3 read (3 of 16 overloads)]
 
 
 Attempt to read a certain amount of data from a stream before returning. 
@@ -90090,7 +98631,7 @@ See the [link asio.reference.buffer `buffer`]  documentation for information on
 
 
 
-[section:overload4 read (4 of 12 overloads)]
+[section:overload4 read (4 of 16 overloads)]
 
 
 Attempt to read a certain amount of data from a stream before returning. 
@@ -90156,7 +98697,7 @@ The number of bytes read. If an error occurs, returns the total number of bytes
 
 
 
-[section:overload5 read (5 of 12 overloads)]
+[section:overload5 read (5 of 16 overloads)]
 
 
 Attempt to read a certain amount of data from a stream before returning. 
@@ -90164,11 +98705,11 @@ Attempt to read a certain amount of data from a stream before returning.
 
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``>
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``>
   std::size_t read(
       SyncReadStream & s,
-      DynamicBuffer && buffers,
-      typename enable_if< is_dynamic_buffer< DynamicBuffer >::value >::type *  = 0);
+      DynamicBuffer_v1 && buffers,
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
 
 
 This function is used to read a certain number of bytes of data from a stream. The call will block until one of the following conditions is true:
@@ -90227,7 +98768,7 @@ This overload is equivalent to calling:
 
 
 
-[section:overload6 read (6 of 12 overloads)]
+[section:overload6 read (6 of 16 overloads)]
 
 
 Attempt to read a certain amount of data from a stream before returning. 
@@ -90235,12 +98776,12 @@ Attempt to read a certain amount of data from a stream before returning.
 
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``>
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``>
   std::size_t read(
       SyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       asio::error_code & ec,
-      typename enable_if< is_dynamic_buffer< DynamicBuffer >::value >::type *  = 0);
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
 
 
 This function is used to read a certain number of bytes of data from a stream. The call will block until one of the following conditions is true:
@@ -90291,7 +98832,7 @@ This overload is equivalent to calling:
 
 
 
-[section:overload7 read (7 of 12 overloads)]
+[section:overload7 read (7 of 16 overloads)]
 
 
 Attempt to read a certain amount of data from a stream before returning. 
@@ -90299,13 +98840,13 @@ Attempt to read a certain amount of data from a stream before returning.
 
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename ``[link asio.reference.CompletionCondition CompletionCondition]``>
   std::size_t read(
       SyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       CompletionCondition completion_condition,
-      typename enable_if< is_dynamic_buffer< DynamicBuffer >::value >::type *  = 0);
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
 
 
 This function is used to read a certain number of bytes of data from a stream. The call will block until one of the following conditions is true:
@@ -90364,7 +98905,7 @@ The number of bytes transferred.
 
 
 
-[section:overload8 read (8 of 12 overloads)]
+[section:overload8 read (8 of 16 overloads)]
 
 
 Attempt to read a certain amount of data from a stream before returning. 
@@ -90372,14 +98913,14 @@ Attempt to read a certain amount of data from a stream before returning.
 
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename ``[link asio.reference.CompletionCondition CompletionCondition]``>
   std::size_t read(
       SyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       CompletionCondition completion_condition,
       asio::error_code & ec,
-      typename enable_if< is_dynamic_buffer< DynamicBuffer >::value >::type *  = 0);
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
 
 
 This function is used to read a certain number of bytes of data from a stream. The call will block until one of the following conditions is true:
@@ -90430,7 +98971,7 @@ The number of bytes read. If an error occurs, returns the total number of bytes
 
 
 
-[section:overload9 read (9 of 12 overloads)]
+[section:overload9 read (9 of 16 overloads)]
 
 
 Attempt to read a certain amount of data from a stream before returning. 
@@ -90500,7 +99041,7 @@ This overload is equivalent to calling:
 
 
 
-[section:overload10 read (10 of 12 overloads)]
+[section:overload10 read (10 of 16 overloads)]
 
 
 Attempt to read a certain amount of data from a stream before returning. 
@@ -90563,7 +99104,7 @@ This overload is equivalent to calling:
 
 
 
-[section:overload11 read (11 of 12 overloads)]
+[section:overload11 read (11 of 16 overloads)]
 
 
 Attempt to read a certain amount of data from a stream before returning. 
@@ -90635,7 +99176,7 @@ The number of bytes transferred.
 
 
 
-[section:overload12 read (12 of 12 overloads)]
+[section:overload12 read (12 of 16 overloads)]
 
 
 Attempt to read a certain amount of data from a stream before returning. 
@@ -90696,6 +99237,280 @@ The number of bytes read. If an error occurs, returns the total number of bytes
 
 
 
+[endsect]
+
+
+
+[section:overload13 read (13 of 16 overloads)]
+
+
+Attempt to read a certain amount of data from a stream before returning. 
+
+
+  template<
+      typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``>
+  std::size_t read(
+      SyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+
+
+This function is used to read a certain number of bytes of data from a stream. The call will block until one of the following conditions is true:
+
+
+* The specified dynamic buffer sequence is full (that is, it has reached maximum size).
+
+
+* An error occurred.
+
+This operation is implemented in terms of zero or more calls to the stream's read\_some function.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[s][The stream from which the data is to be read. The type must support the SyncReadStream concept.]]
+
+[[buffers][The dynamic buffer sequence into which the data will be read.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes transferred.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure.]]
+
+]
+
+
+[heading Remarks]
+      
+This overload is equivalent to calling: 
+
+   asio::read(
+       s, buffers,
+       asio::transfer_all()); 
+
+
+
+
+
+
+
+[endsect]
+
+
+
+[section:overload14 read (14 of 16 overloads)]
+
+
+Attempt to read a certain amount of data from a stream before returning. 
+
+
+  template<
+      typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``>
+  std::size_t read(
+      SyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      asio::error_code & ec,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+
+
+This function is used to read a certain number of bytes of data from a stream. The call will block until one of the following conditions is true:
+
+
+* The supplied buffer is full (that is, it has reached maximum size).
+
+
+* An error occurred.
+
+This operation is implemented in terms of zero or more calls to the stream's read\_some function.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[s][The stream from which the data is to be read. The type must support the SyncReadStream concept.]]
+
+[[buffers][The dynamic buffer sequence into which the data will be read.]]
+
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes transferred.
+
+
+[heading Remarks]
+      
+This overload is equivalent to calling: 
+
+   asio::read(
+       s, buffers,
+       asio::transfer_all(), ec); 
+
+
+
+
+
+
+
+[endsect]
+
+
+
+[section:overload15 read (15 of 16 overloads)]
+
+
+Attempt to read a certain amount of data from a stream before returning. 
+
+
+  template<
+      typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename ``[link asio.reference.CompletionCondition CompletionCondition]``>
+  std::size_t read(
+      SyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      CompletionCondition completion_condition,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+
+
+This function is used to read a certain number of bytes of data from a stream. The call will block until one of the following conditions is true:
+
+
+* The specified dynamic buffer sequence is full (that is, it has reached maximum size).
+
+
+* The completion\_condition function object returns 0.
+
+This operation is implemented in terms of zero or more calls to the stream's read\_some function.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[s][The stream from which the data is to be read. The type must support the SyncReadStream concept.]]
+
+[[buffers][The dynamic buffer sequence into which the data will be read.]]
+
+[[completion_condition][The function object to be called to determine whether the read operation is complete. The signature of the function object must be: 
+``
+   std::size_t completion_condition(
+     // Result of latest read_some operation.
+     const asio::error_code& error,
+
+     // Number of bytes transferred so far.
+     std::size_t bytes_transferred
+   ); 
+``
+A return value of 0 indicates that the read operation is complete. A non-zero return value indicates the maximum number of bytes to be read on the next call to the stream's read\_some function.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes transferred.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload16 read (16 of 16 overloads)]
+
+
+Attempt to read a certain amount of data from a stream before returning. 
+
+
+  template<
+      typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename ``[link asio.reference.CompletionCondition CompletionCondition]``>
+  std::size_t read(
+      SyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      CompletionCondition completion_condition,
+      asio::error_code & ec,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+
+
+This function is used to read a certain number of bytes of data from a stream. The call will block until one of the following conditions is true:
+
+
+* The specified dynamic buffer sequence is full (that is, it has reached maximum size).
+
+
+* The completion\_condition function object returns 0.
+
+This operation is implemented in terms of zero or more calls to the stream's read\_some function.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[s][The stream from which the data is to be read. The type must support the SyncReadStream concept.]]
+
+[[buffers][The dynamic buffer sequence into which the data will be read.]]
+
+[[completion_condition][The function object to be called to determine whether the read operation is complete. The signature of the function object must be: 
+``
+   std::size_t completion_condition(
+     // Result of latest read_some operation.
+     const asio::error_code& error,
+
+     // Number of bytes transferred so far.
+     std::size_t bytes_transferred
+   ); 
+``
+A return value of 0 indicates that the read operation is complete. A non-zero return value indicates the maximum number of bytes to be read on the next call to the stream's read\_some function.]]
+
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes read. If an error occurs, returns the total number of bytes successfully transferred prior to the error. 
+
+
+
+
 [endsect]
 
 
@@ -90704,9 +99519,11 @@ The number of bytes read. If an error occurs, returns the total number of bytes
 [section:read_at read_at]
 
 [indexterm1 asio.indexterm.read_at..read_at] 
+The `read_at` function is a composed operation that reads a certain amount of data at the specified offset before returning. 
+
+
 Attempt to read a certain amount of data at the specified offset before returning. 
 
-      
   template<
       typename ``[link asio.reference.SyncRandomAccessReadDevice SyncRandomAccessReadDevice]``,
       typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
@@ -91386,89 +100203,103 @@ The number of bytes read. If an error occurs, returns the total number of bytes
 [section:read_until read_until]
 
 [indexterm1 asio.indexterm.read_until..read_until] 
-Read data into a dynamic buffer sequence, or into a streambuf, until it contains a delimiter, matches a regular expression, or a function object indicates a match. 
+The `read_until` function is a composed operation that reads data into a dynamic buffer sequence, or into a streambuf, until it contains a delimiter, matches a regular expression, or a function object indicates a match. 
+
+
+Read data into a dynamic buffer sequence until it contains a specified delimiter. 
 
-      
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``>
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``>
   std::size_t ``[link asio.reference.read_until.overload1 read_until]``(
       SyncReadStream & s,
-      DynamicBuffer && buffers,
-      char delim);
+      DynamicBuffer_v1 && buffers,
+      char delim,
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.read_until.overload1 more...]]``
 
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``>
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``>
   std::size_t ``[link asio.reference.read_until.overload2 read_until]``(
       SyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       char delim,
-      asio::error_code & ec);
+      asio::error_code & ec,
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.read_until.overload2 more...]]``
 
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``>
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``>
   std::size_t ``[link asio.reference.read_until.overload3 read_until]``(
       SyncReadStream & s,
-      DynamicBuffer && buffers,
-      string_view delim);
+      DynamicBuffer_v1 && buffers,
+      string_view delim,
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.read_until.overload3 more...]]``
 
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``>
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``>
   std::size_t ``[link asio.reference.read_until.overload4 read_until]``(
       SyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       string_view delim,
-      asio::error_code & ec);
+      asio::error_code & ec,
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.read_until.overload4 more...]]``
 
+Read data into a dynamic buffer sequence until some part of the data it contains matches a regular expression. 
+
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``>
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``>
   std::size_t ``[link asio.reference.read_until.overload5 read_until]``(
       SyncReadStream & s,
-      DynamicBuffer && buffers,
-      const boost::regex & expr);
+      DynamicBuffer_v1 && buffers,
+      const boost::regex & expr,
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.read_until.overload5 more...]]``
 
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``>
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``>
   std::size_t ``[link asio.reference.read_until.overload6 read_until]``(
       SyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       const boost::regex & expr,
-      asio::error_code & ec);
+      asio::error_code & ec,
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.read_until.overload6 more...]]``
 
+Read data into a dynamic buffer sequence until a function object indicates a match. 
+
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename MatchCondition>
   std::size_t ``[link asio.reference.read_until.overload7 read_until]``(
       SyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       MatchCondition match_condition,
-      typename enable_if< is_match_condition< MatchCondition >::value >::type *  = 0);
+      typename enable_if< is_match_condition< MatchCondition >::value &&is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.read_until.overload7 more...]]``
 
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename MatchCondition>
   std::size_t ``[link asio.reference.read_until.overload8 read_until]``(
       SyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       MatchCondition match_condition,
       asio::error_code & ec,
-      typename enable_if< is_match_condition< MatchCondition >::value >::type *  = 0);
+      typename enable_if< is_match_condition< MatchCondition >::value &&is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.read_until.overload8 more...]]``
 
+Read data into a streambuf until it contains a specified delimiter. 
+
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
       typename Allocator>
@@ -91507,6 +100338,8 @@ Read data into a dynamic buffer sequence, or into a streambuf, until it contains
       asio::error_code & ec);
   ``  [''''&raquo;''' [link asio.reference.read_until.overload12 more...]]``
 
+Read data into a streambuf until some part of the data it contains matches a regular expression. 
+
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
       typename Allocator>
@@ -91526,6 +100359,8 @@ Read data into a dynamic buffer sequence, or into a streambuf, until it contains
       asio::error_code & ec);
   ``  [''''&raquo;''' [link asio.reference.read_until.overload14 more...]]``
 
+Read data into a streambuf until a function object indicates a match. 
+
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
       typename Allocator,
@@ -91549,6 +100384,98 @@ Read data into a dynamic buffer sequence, or into a streambuf, until it contains
       typename enable_if< is_match_condition< MatchCondition >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.read_until.overload16 more...]]``
 
+Read data into a dynamic buffer sequence until it contains a specified delimiter. 
+
+  template<
+      typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``>
+  std::size_t ``[link asio.reference.read_until.overload17 read_until]``(
+      SyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      char delim,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.read_until.overload17 more...]]``
+
+  template<
+      typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``>
+  std::size_t ``[link asio.reference.read_until.overload18 read_until]``(
+      SyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      char delim,
+      asio::error_code & ec,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.read_until.overload18 more...]]``
+
+  template<
+      typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``>
+  std::size_t ``[link asio.reference.read_until.overload19 read_until]``(
+      SyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      string_view delim,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.read_until.overload19 more...]]``
+
+  template<
+      typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``>
+  std::size_t ``[link asio.reference.read_until.overload20 read_until]``(
+      SyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      string_view delim,
+      asio::error_code & ec,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.read_until.overload20 more...]]``
+
+Read data into a dynamic buffer sequence until some part of the data it contains matches a regular expression. 
+
+  template<
+      typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``>
+  std::size_t ``[link asio.reference.read_until.overload21 read_until]``(
+      SyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      const boost::regex & expr,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.read_until.overload21 more...]]``
+
+  template<
+      typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``>
+  std::size_t ``[link asio.reference.read_until.overload22 read_until]``(
+      SyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      const boost::regex & expr,
+      asio::error_code & ec,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.read_until.overload22 more...]]``
+
+Read data into a dynamic buffer sequence until a function object indicates a match. 
+
+  template<
+      typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename MatchCondition>
+  std::size_t ``[link asio.reference.read_until.overload23 read_until]``(
+      SyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      MatchCondition match_condition,
+      typename enable_if< is_match_condition< MatchCondition >::value &&is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.read_until.overload23 more...]]``
+
+  template<
+      typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename MatchCondition>
+  std::size_t ``[link asio.reference.read_until.overload24 read_until]``(
+      SyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      MatchCondition match_condition,
+      asio::error_code & ec,
+      typename enable_if< is_match_condition< MatchCondition >::value &&is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.read_until.overload24 more...]]``
+
 [heading Requirements]
 
 ['Header: ][^asio/read_until.hpp]
@@ -91556,7 +100483,7 @@ Read data into a dynamic buffer sequence, or into a streambuf, until it contains
 ['Convenience header: ][^asio.hpp]
 
 
-[section:overload1 read_until (1 of 16 overloads)]
+[section:overload1 read_until (1 of 24 overloads)]
 
 
 Read data into a dynamic buffer sequence until it contains a specified delimiter. 
@@ -91564,11 +100491,12 @@ Read data into a dynamic buffer sequence until it contains a specified delimiter
 
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``>
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``>
   std::size_t read_until(
       SyncReadStream & s,
-      DynamicBuffer && buffers,
-      char delim);
+      DynamicBuffer_v1 && buffers,
+      char delim,
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
 
 
 This function is used to read data into the specified dynamic buffer sequence until the dynamic buffer sequence's get area contains the specified delimiter. The call will block until one of the following conditions is true:
@@ -91651,7 +100579,7 @@ This data may be the start of a new line, to be extracted by a subsequent `read_
 
 
 
-[section:overload2 read_until (2 of 16 overloads)]
+[section:overload2 read_until (2 of 24 overloads)]
 
 
 Read data into a dynamic buffer sequence until it contains a specified delimiter. 
@@ -91659,12 +100587,13 @@ Read data into a dynamic buffer sequence until it contains a specified delimiter
 
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``>
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``>
   std::size_t read_until(
       SyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       char delim,
-      asio::error_code & ec);
+      asio::error_code & ec,
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
 
 
 This function is used to read data into the specified dynamic buffer sequence until the dynamic buffer sequence's get area contains the specified delimiter. The call will block until one of the following conditions is true:
@@ -91710,7 +100639,7 @@ After a successful read\_until operation, the dynamic buffer sequence may contai
 
 
 
-[section:overload3 read_until (3 of 16 overloads)]
+[section:overload3 read_until (3 of 24 overloads)]
 
 
 Read data into a dynamic buffer sequence until it contains a specified delimiter. 
@@ -91718,11 +100647,12 @@ Read data into a dynamic buffer sequence until it contains a specified delimiter
 
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``>
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``>
   std::size_t read_until(
       SyncReadStream & s,
-      DynamicBuffer && buffers,
-      string_view delim);
+      DynamicBuffer_v1 && buffers,
+      string_view delim,
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
 
 
 This function is used to read data into the specified dynamic buffer sequence until the dynamic buffer sequence's get area contains the specified delimiter. The call will block until one of the following conditions is true:
@@ -91795,7 +100725,7 @@ This data may be the start of a new line, to be extracted by a subsequent `read_
 
 
 
-[section:overload4 read_until (4 of 16 overloads)]
+[section:overload4 read_until (4 of 24 overloads)]
 
 
 Read data into a dynamic buffer sequence until it contains a specified delimiter. 
@@ -91803,12 +100733,13 @@ Read data into a dynamic buffer sequence until it contains a specified delimiter
 
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``>
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``>
   std::size_t read_until(
       SyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       string_view delim,
-      asio::error_code & ec);
+      asio::error_code & ec,
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
 
 
 This function is used to read data into the specified dynamic buffer sequence until the dynamic buffer sequence's get area contains the specified delimiter. The call will block until one of the following conditions is true:
@@ -91854,7 +100785,7 @@ After a successful read\_until operation, the dynamic buffer sequence may contai
 
 
 
-[section:overload5 read_until (5 of 16 overloads)]
+[section:overload5 read_until (5 of 24 overloads)]
 
 
 Read data into a dynamic buffer sequence until some part of the data it contains matches a regular expression. 
@@ -91862,11 +100793,12 @@ Read data into a dynamic buffer sequence until some part of the data it contains
 
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``>
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``>
   std::size_t read_until(
       SyncReadStream & s,
-      DynamicBuffer && buffers,
-      const boost::regex & expr);
+      DynamicBuffer_v1 && buffers,
+      const boost::regex & expr,
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
 
 
 This function is used to read data into the specified dynamic buffer sequence until the dynamic buffer sequence's get area contains some data that matches a regular expression. The call will block until one of the following conditions is true:
@@ -91949,7 +100881,7 @@ This data may be the start of a new line, to be extracted by a subsequent `read_
 
 
 
-[section:overload6 read_until (6 of 16 overloads)]
+[section:overload6 read_until (6 of 24 overloads)]
 
 
 Read data into a dynamic buffer sequence until some part of the data it contains matches a regular expression. 
@@ -91957,12 +100889,13 @@ Read data into a dynamic buffer sequence until some part of the data it contains
 
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``>
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``>
   std::size_t read_until(
       SyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       const boost::regex & expr,
-      asio::error_code & ec);
+      asio::error_code & ec,
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
 
 
 This function is used to read data into the specified dynamic buffer sequence until the dynamic buffer sequence's get area contains some data that matches a regular expression. The call will block until one of the following conditions is true:
@@ -92008,7 +100941,7 @@ After a successful read\_until operation, the dynamic buffer sequence may contai
 
 
 
-[section:overload7 read_until (7 of 16 overloads)]
+[section:overload7 read_until (7 of 24 overloads)]
 
 
 Read data into a dynamic buffer sequence until a function object indicates a match. 
@@ -92016,13 +100949,13 @@ Read data into a dynamic buffer sequence until a function object indicates a mat
 
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename MatchCondition>
   std::size_t read_until(
       SyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       MatchCondition match_condition,
-      typename enable_if< is_match_condition< MatchCondition >::value >::type *  = 0);
+      typename enable_if< is_match_condition< MatchCondition >::value &&is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
 
 
 This function is used to read data into the specified dynamic buffer sequence until a user-defined match condition function object, when applied to the data contained in the dynamic buffer sequence, indicates a successful match. The call will block until one of the following conditions is true:
@@ -92051,7 +100984,7 @@ This operation is implemented in terms of zero or more calls to the stream's rea
 ``
 where `iterator` represents the type: 
 ``
-   buffers_iterator<typename DynamicBuffer::const_buffers_type>
+   buffers_iterator<typename DynamicBuffer_v1::const_buffers_type>
 ``
 The iterator parameters `begin` and `end` define the range of bytes to be scanned to determine whether there is a match. The `first` member of the return value is an iterator marking one-past-the-end of the bytes that have been consumed by the match function. This iterator is used to calculate the `begin` parameter for any subsequent invocation of the match condition. The `second` member of the return value is true if a match has been found, false otherwise.]]
 
@@ -92141,7 +101074,7 @@ To read data into a `std::string` until a matching character is found:
 
 
 
-[section:overload8 read_until (8 of 16 overloads)]
+[section:overload8 read_until (8 of 24 overloads)]
 
 
 Read data into a dynamic buffer sequence until a function object indicates a match. 
@@ -92149,14 +101082,14 @@ Read data into a dynamic buffer sequence until a function object indicates a mat
 
   template<
       typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename MatchCondition>
   std::size_t read_until(
       SyncReadStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       MatchCondition match_condition,
       asio::error_code & ec,
-      typename enable_if< is_match_condition< MatchCondition >::value >::type *  = 0);
+      typename enable_if< is_match_condition< MatchCondition >::value &&is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
 
 
 This function is used to read data into the specified dynamic buffer sequence until a user-defined match condition function object, when applied to the data contained in the dynamic buffer sequence, indicates a successful match. The call will block until one of the following conditions is true:
@@ -92185,7 +101118,7 @@ This operation is implemented in terms of zero or more calls to the stream's rea
 ``
 where `iterator` represents the type: 
 ``
-   buffers_iterator<DynamicBuffer::const_buffers_type>
+   buffers_iterator<DynamicBuffer_v1::const_buffers_type>
 ``
 The iterator parameters `begin` and `end` define the range of bytes to be scanned to determine whether there is a match. The `first` member of the return value is an iterator marking one-past-the-end of the bytes that have been consumed by the match function. This iterator is used to calculate the `begin` parameter for any subsequent invocation of the match condition. The `second` member of the return value is true if a match has been found, false otherwise.]]
 
@@ -92212,7 +101145,7 @@ The default implementation of the `is_match_condition` type trait evaluates to t
 
 
 
-[section:overload9 read_until (9 of 16 overloads)]
+[section:overload9 read_until (9 of 24 overloads)]
 
 
 Read data into a streambuf until it contains a specified delimiter. 
@@ -92307,7 +101240,7 @@ This data may be the start of a new line, to be extracted by a subsequent `read_
 
 
 
-[section:overload10 read_until (10 of 16 overloads)]
+[section:overload10 read_until (10 of 24 overloads)]
 
 
 Read data into a streambuf until it contains a specified delimiter. 
@@ -92366,7 +101299,7 @@ After a successful read\_until operation, the streambuf may contain additional d
 
 
 
-[section:overload11 read_until (11 of 16 overloads)]
+[section:overload11 read_until (11 of 24 overloads)]
 
 
 Read data into a streambuf until it contains a specified delimiter. 
@@ -92461,7 +101394,7 @@ This data may be the start of a new line, to be extracted by a subsequent `read_
 
 
 
-[section:overload12 read_until (12 of 16 overloads)]
+[section:overload12 read_until (12 of 24 overloads)]
 
 
 Read data into a streambuf until it contains a specified delimiter. 
@@ -92520,7 +101453,7 @@ After a successful read\_until operation, the streambuf may contain additional d
 
 
 
-[section:overload13 read_until (13 of 16 overloads)]
+[section:overload13 read_until (13 of 24 overloads)]
 
 
 Read data into a streambuf until some part of the data it contains matches a regular expression. 
@@ -92615,7 +101548,7 @@ This data may be the start of a new line, to be extracted by a subsequent `read_
 
 
 
-[section:overload14 read_until (14 of 16 overloads)]
+[section:overload14 read_until (14 of 24 overloads)]
 
 
 Read data into a streambuf until some part of the data it contains matches a regular expression. 
@@ -92674,7 +101607,7 @@ After a successful read\_until operation, the streambuf may contain additional d
 
 
 
-[section:overload15 read_until (15 of 16 overloads)]
+[section:overload15 read_until (15 of 24 overloads)]
 
 
 Read data into a streambuf until a function object indicates a match. 
@@ -92807,7 +101740,7 @@ To read data into a streambuf until a matching character is found:
 
 
 
-[section:overload16 read_until (16 of 16 overloads)]
+[section:overload16 read_until (16 of 24 overloads)]
 
 
 Read data into a streambuf until a function object indicates a match. 
@@ -92877,6 +101810,783 @@ The default implementation of the `is_match_condition` type trait evaluates to t
 [endsect]
 
 
+
+[section:overload17 read_until (17 of 24 overloads)]
+
+
+Read data into a dynamic buffer sequence until it contains a specified delimiter. 
+
+
+  template<
+      typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``>
+  std::size_t read_until(
+      SyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      char delim,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+
+
+This function is used to read data into the specified dynamic buffer sequence until the dynamic buffer sequence's get area contains the specified delimiter. The call will block until one of the following conditions is true:
+
+
+* The get area of the dynamic buffer sequence contains the specified delimiter.
+
+
+* An error occurred.
+
+This operation is implemented in terms of zero or more calls to the stream's read\_some function. If the dynamic buffer sequence's get area already contains the delimiter, the function returns immediately.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[s][The stream from which the data is to be read. The type must support the SyncReadStream concept.]]
+
+[[buffers][The dynamic buffer sequence into which the data will be read.]]
+
+[[delim][The delimiter character.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes in the dynamic buffer sequence's get area up to and including the delimiter.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure.]]
+
+]
+
+
+[heading Remarks]
+      
+After a successful read\_until operation, the dynamic buffer sequence may contain additional data beyond the delimiter. An application will typically leave that data in the dynamic buffer sequence for a subsequent read\_until operation to examine.
+
+
+[heading Example]
+  
+To read data into a `std::string` until a newline is encountered: 
+
+   std::string data;
+   std::string n = asio::read_until(s,
+       asio::dynamic_buffer(data), '\n');
+   std::string line = data.substr(0, n);
+   data.erase(0, n); 
+
+
+After the `read_until` operation completes successfully, the string `data` contains the delimiter: 
+
+   { 'a', 'b', ..., 'c', '\n', 'd', 'e', ... } 
+
+
+The call to `substr` then extracts the data up to and including the delimiter, so that the string `line` contains: 
+
+   { 'a', 'b', ..., 'c', '\n' } 
+
+
+After the call to `erase`, the remaining data is left in the buffer `b` as follows: 
+
+   { 'd', 'e', ... } 
+
+
+This data may be the start of a new line, to be extracted by a subsequent `read_until` operation. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload18 read_until (18 of 24 overloads)]
+
+
+Read data into a dynamic buffer sequence until it contains a specified delimiter. 
+
+
+  template<
+      typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``>
+  std::size_t read_until(
+      SyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      char delim,
+      asio::error_code & ec,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+
+
+This function is used to read data into the specified dynamic buffer sequence until the dynamic buffer sequence's get area contains the specified delimiter. The call will block until one of the following conditions is true:
+
+
+* The get area of the dynamic buffer sequence contains the specified delimiter.
+
+
+* An error occurred.
+
+This operation is implemented in terms of zero or more calls to the stream's read\_some function. If the dynamic buffer sequence's get area already contains the delimiter, the function returns immediately.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[s][The stream from which the data is to be read. The type must support the SyncReadStream concept.]]
+
+[[buffers][The dynamic buffer sequence into which the data will be read.]]
+
+[[delim][The delimiter character.]]
+
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes in the dynamic buffer sequence's get area up to and including the delimiter. Returns 0 if an error occurred.
+
+
+[heading Remarks]
+      
+After a successful read\_until operation, the dynamic buffer sequence may contain additional data beyond the delimiter. An application will typically leave that data in the dynamic buffer sequence for a subsequent read\_until operation to examine. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload19 read_until (19 of 24 overloads)]
+
+
+Read data into a dynamic buffer sequence until it contains a specified delimiter. 
+
+
+  template<
+      typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``>
+  std::size_t read_until(
+      SyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      string_view delim,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+
+
+This function is used to read data into the specified dynamic buffer sequence until the dynamic buffer sequence's get area contains the specified delimiter. The call will block until one of the following conditions is true:
+
+
+* The get area of the dynamic buffer sequence contains the specified delimiter.
+
+
+* An error occurred.
+
+This operation is implemented in terms of zero or more calls to the stream's read\_some function. If the dynamic buffer sequence's get area already contains the delimiter, the function returns immediately.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[s][The stream from which the data is to be read. The type must support the SyncReadStream concept.]]
+
+[[buffers][The dynamic buffer sequence into which the data will be read.]]
+
+[[delim][The delimiter string.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes in the dynamic buffer sequence's get area up to and including the delimiter.
+
+
+[heading Remarks]
+      
+After a successful read\_until operation, the dynamic buffer sequence may contain additional data beyond the delimiter. An application will typically leave that data in the dynamic buffer sequence for a subsequent read\_until operation to examine.
+
+
+[heading Example]
+  
+To read data into a `std::string` until a CR-LF sequence is encountered: 
+
+   std::string data;
+   std::string n = asio::read_until(s,
+       asio::dynamic_buffer(data), "\r\n");
+   std::string line = data.substr(0, n);
+   data.erase(0, n); 
+
+
+After the `read_until` operation completes successfully, the string `data` contains the delimiter: 
+
+   { 'a', 'b', ..., 'c', '\r', '\n', 'd', 'e', ... } 
+
+
+The call to `substr` then extracts the data up to and including the delimiter, so that the string `line` contains: 
+
+   { 'a', 'b', ..., 'c', '\r', '\n' } 
+
+
+After the call to `erase`, the remaining data is left in the buffer `b` as follows: 
+
+   { 'd', 'e', ... } 
+
+
+This data may be the start of a new line, to be extracted by a subsequent `read_until` operation. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload20 read_until (20 of 24 overloads)]
+
+
+Read data into a dynamic buffer sequence until it contains a specified delimiter. 
+
+
+  template<
+      typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``>
+  std::size_t read_until(
+      SyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      string_view delim,
+      asio::error_code & ec,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+
+
+This function is used to read data into the specified dynamic buffer sequence until the dynamic buffer sequence's get area contains the specified delimiter. The call will block until one of the following conditions is true:
+
+
+* The get area of the dynamic buffer sequence contains the specified delimiter.
+
+
+* An error occurred.
+
+This operation is implemented in terms of zero or more calls to the stream's read\_some function. If the dynamic buffer sequence's get area already contains the delimiter, the function returns immediately.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[s][The stream from which the data is to be read. The type must support the SyncReadStream concept.]]
+
+[[buffers][The dynamic buffer sequence into which the data will be read.]]
+
+[[delim][The delimiter string.]]
+
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes in the dynamic buffer sequence's get area up to and including the delimiter. Returns 0 if an error occurred.
+
+
+[heading Remarks]
+      
+After a successful read\_until operation, the dynamic buffer sequence may contain additional data beyond the delimiter. An application will typically leave that data in the dynamic buffer sequence for a subsequent read\_until operation to examine. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload21 read_until (21 of 24 overloads)]
+
+
+Read data into a dynamic buffer sequence until some part of the data it contains matches a regular expression. 
+
+
+  template<
+      typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``>
+  std::size_t read_until(
+      SyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      const boost::regex & expr,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+
+
+This function is used to read data into the specified dynamic buffer sequence until the dynamic buffer sequence's get area contains some data that matches a regular expression. The call will block until one of the following conditions is true:
+
+
+* A substring of the dynamic buffer sequence's get area matches the regular expression.
+
+
+* An error occurred.
+
+This operation is implemented in terms of zero or more calls to the stream's read\_some function. If the dynamic buffer sequence's get area already contains data that matches the regular expression, the function returns immediately.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[s][The stream from which the data is to be read. The type must support the SyncReadStream concept.]]
+
+[[buffers][A dynamic buffer sequence into which the data will be read.]]
+
+[[expr][The regular expression.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes in the dynamic buffer sequence's get area up to and including the substring that matches the regular expression.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure.]]
+
+]
+
+
+[heading Remarks]
+      
+After a successful read\_until operation, the dynamic buffer sequence may contain additional data beyond that which matched the regular expression. An application will typically leave that data in the dynamic buffer sequence for a subsequent read\_until operation to examine.
+
+
+[heading Example]
+  
+To read data into a `std::string` until a CR-LF sequence is encountered: 
+
+   std::string data;
+   std::string n = asio::read_until(s,
+       asio::dynamic_buffer(data), boost::regex("\r\n"));
+   std::string line = data.substr(0, n);
+   data.erase(0, n); 
+
+
+After the `read_until` operation completes successfully, the string `data` contains the delimiter: 
+
+   { 'a', 'b', ..., 'c', '\r', '\n', 'd', 'e', ... } 
+
+
+The call to `substr` then extracts the data up to and including the delimiter, so that the string `line` contains: 
+
+   { 'a', 'b', ..., 'c', '\r', '\n' } 
+
+
+After the call to `erase`, the remaining data is left in the buffer `b` as follows: 
+
+   { 'd', 'e', ... } 
+
+
+This data may be the start of a new line, to be extracted by a subsequent `read_until` operation. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload22 read_until (22 of 24 overloads)]
+
+
+Read data into a dynamic buffer sequence until some part of the data it contains matches a regular expression. 
+
+
+  template<
+      typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``>
+  std::size_t read_until(
+      SyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      const boost::regex & expr,
+      asio::error_code & ec,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+
+
+This function is used to read data into the specified dynamic buffer sequence until the dynamic buffer sequence's get area contains some data that matches a regular expression. The call will block until one of the following conditions is true:
+
+
+* A substring of the dynamic buffer sequence's get area matches the regular expression.
+
+
+* An error occurred.
+
+This operation is implemented in terms of zero or more calls to the stream's read\_some function. If the dynamic buffer sequence's get area already contains data that matches the regular expression, the function returns immediately.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[s][The stream from which the data is to be read. The type must support the SyncReadStream concept.]]
+
+[[buffers][A dynamic buffer sequence into which the data will be read.]]
+
+[[expr][The regular expression.]]
+
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes in the dynamic buffer sequence's get area up to and including the substring that matches the regular expression. Returns 0 if an error occurred.
+
+
+[heading Remarks]
+      
+After a successful read\_until operation, the dynamic buffer sequence may contain additional data beyond that which matched the regular expression. An application will typically leave that data in the dynamic buffer sequence for a subsequent read\_until operation to examine. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload23 read_until (23 of 24 overloads)]
+
+
+Read data into a dynamic buffer sequence until a function object indicates a match. 
+
+
+  template<
+      typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename MatchCondition>
+  std::size_t read_until(
+      SyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      MatchCondition match_condition,
+      typename enable_if< is_match_condition< MatchCondition >::value &&is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+
+
+This function is used to read data into the specified dynamic buffer sequence until a user-defined match condition function object, when applied to the data contained in the dynamic buffer sequence, indicates a successful match. The call will block until one of the following conditions is true:
+
+
+* The match condition function object returns a std::pair where the second element evaluates to true.
+
+
+* An error occurred.
+
+This operation is implemented in terms of zero or more calls to the stream's read\_some function. If the match condition function object already indicates a match, the function returns immediately.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[s][The stream from which the data is to be read. The type must support the SyncReadStream concept.]]
+
+[[buffers][A dynamic buffer sequence into which the data will be read.]]
+
+[[match_condition][The function object to be called to determine whether a match exists. The signature of the function object must be: 
+``
+   pair<iterator, bool> match_condition(iterator begin, iterator end);
+``
+where `iterator` represents the type: 
+``
+   buffers_iterator<typename DynamicBuffer_v2::const_buffers_type>
+``
+The iterator parameters `begin` and `end` define the range of bytes to be scanned to determine whether there is a match. The `first` member of the return value is an iterator marking one-past-the-end of the bytes that have been consumed by the match function. This iterator is used to calculate the `begin` parameter for any subsequent invocation of the match condition. The `second` member of the return value is true if a match has been found, false otherwise.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes in the dynamic\_buffer's get area that have been fully consumed by the match function.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure.]]
+
+]
+
+
+[heading Remarks]
+      
+After a successful read\_until operation, the dynamic buffer sequence may contain additional data beyond that which matched the function object. An application will typically leave that data in the dynamic buffer sequence for a subsequent read\_until operation to examine.
+
+The default implementation of the `is_match_condition` type trait evaluates to true for function pointers and function objects with a `result_type` typedef. It must be specialised for other user-defined function objects.
+
+
+[heading Examples]
+  
+To read data into a dynamic buffer sequence until whitespace is encountered: 
+
+   typedef asio::buffers_iterator<
+       asio::const_buffers_1> iterator;
+
+   std::pair<iterator, bool>
+   match_whitespace(iterator begin, iterator end)
+   {
+     iterator i = begin;
+     while (i != end)
+       if (std::isspace(*i++))
+         return std::make_pair(i, true);
+     return std::make_pair(i, false);
+   }
+   ...
+   std::string data;
+   asio::read_until(s, data, match_whitespace);
+
+
+
+
+To read data into a `std::string` until a matching character is found: 
+
+   class match_char
+   {
+   public:
+     explicit match_char(char c) : c_(c) {}
+
+     template <typename Iterator>
+     std::pair<Iterator, bool> operator()(
+         Iterator begin, Iterator end) const
+     {
+       Iterator i = begin;
+       while (i != end)
+         if (c_ == *i++)
+           return std::make_pair(i, true);
+       return std::make_pair(i, false);
+     }
+
+   private:
+     char c_;
+   };
+
+   namespace asio {
+     template <> struct is_match_condition<match_char>
+       : public boost::true_type {};
+   } // namespace asio
+   ...
+   std::string data;
+   asio::read_until(s, data, match_char('a'));
+
+
+
+
+
+[endsect]
+
+
+
+[section:overload24 read_until (24 of 24 overloads)]
+
+
+Read data into a dynamic buffer sequence until a function object indicates a match. 
+
+
+  template<
+      typename ``[link asio.reference.SyncReadStream SyncReadStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename MatchCondition>
+  std::size_t read_until(
+      SyncReadStream & s,
+      DynamicBuffer_v2 buffers,
+      MatchCondition match_condition,
+      asio::error_code & ec,
+      typename enable_if< is_match_condition< MatchCondition >::value &&is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+
+
+This function is used to read data into the specified dynamic buffer sequence until a user-defined match condition function object, when applied to the data contained in the dynamic buffer sequence, indicates a successful match. The call will block until one of the following conditions is true:
+
+
+* The match condition function object returns a std::pair where the second element evaluates to true.
+
+
+* An error occurred.
+
+This operation is implemented in terms of zero or more calls to the stream's read\_some function. If the match condition function object already indicates a match, the function returns immediately.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[s][The stream from which the data is to be read. The type must support the SyncReadStream concept.]]
+
+[[buffers][A dynamic buffer sequence into which the data will be read.]]
+
+[[match_condition][The function object to be called to determine whether a match exists. The signature of the function object must be: 
+``
+   pair<iterator, bool> match_condition(iterator begin, iterator end);
+``
+where `iterator` represents the type: 
+``
+   buffers_iterator<DynamicBuffer_v2::const_buffers_type>
+``
+The iterator parameters `begin` and `end` define the range of bytes to be scanned to determine whether there is a match. The `first` member of the return value is an iterator marking one-past-the-end of the bytes that have been consumed by the match function. This iterator is used to calculate the `begin` parameter for any subsequent invocation of the match condition. The `second` member of the return value is true if a match has been found, false otherwise.]]
+
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes in the dynamic buffer sequence's get area that have been fully consumed by the match function. Returns 0 if an error occurred.
+
+
+[heading Remarks]
+      
+After a successful read\_until operation, the dynamic buffer sequence may contain additional data beyond that which matched the function object. An application will typically leave that data in the dynamic buffer sequence for a subsequent read\_until operation to examine.
+
+The default implementation of the `is_match_condition` type trait evaluates to true for function pointers and function objects with a `result_type` typedef. It must be specialised for other user-defined function objects. 
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:redirect_error redirect_error]
+
+[indexterm1 asio.indexterm.redirect_error..redirect_error] 
+Create a completion token to capture [link asio.reference.error_code `error_code`] values to a variable. 
+
+
+  template<
+      typename CompletionToken>
+  redirect_error_t< typename decay< CompletionToken >::type > redirect_error(
+      CompletionToken && completion_token,
+      asio::error_code & ec);
+
+
+[heading Requirements]
+
+['Header: ][^asio/redirect_error.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+[section:redirect_error_t redirect_error_t]
+
+
+Completion token type used to specify that an error produced by an asynchronous operation is captured to an [link asio.reference.error_code `error_code`] variable. 
+
+
+  template<
+      typename CompletionToken>
+  class redirect_error_t
+
+
+[heading Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.redirect_error_t.redirect_error_t [*redirect_error_t]]]
+    [Constructor. ]
+  ]
+  
+]
+
+[heading Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.redirect_error_t.ec_ [*ec_]]]
+    []
+  ]
+
+  [
+    [[link asio.reference.redirect_error_t.token_ [*token_]]]
+    []
+  ]
+
+]
+
+The [link asio.reference.redirect_error_t `redirect_error_t`] class is used to indicate that any [link asio.reference.error_code `error_code`] produced by an asynchronous operation is captured to a specified variable. 
+
+[heading Requirements]
+
+['Header: ][^asio/redirect_error.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[section:ec_ redirect_error_t::ec_]
+
+[indexterm2 asio.indexterm.redirect_error_t.ec_..ec_..redirect_error_t] 
+
+  asio::error_code & ec_;
+
+
+
+[endsect]
+
+
+
+[section:redirect_error_t redirect_error_t::redirect_error_t]
+
+[indexterm2 asio.indexterm.redirect_error_t.redirect_error_t..redirect_error_t..redirect_error_t] 
+Constructor. 
+
+
+  template<
+      typename T>
+  redirect_error_t(
+      T && completion_token,
+      asio::error_code & ec);
+
+
+
+[endsect]
+
+
+
+[section:token_ redirect_error_t::token_]
+
+[indexterm2 asio.indexterm.redirect_error_t.token_..token_..redirect_error_t] 
+
+  CompletionToken token_;
+
+
+
+[endsect]
+
+
+
 [endsect]
 
 
@@ -92897,14 +102607,14 @@ The default implementation of the `is_match_condition` type trait evaluates to t
 [endsect]
 
 
+
 [section:serial_port serial_port]
 
-
-Provides serial port functionality. 
+[indexterm1 asio.indexterm.serial_port..serial_port] 
+Typedef for the typical usage of a serial port. 
 
 
-  class serial_port :
-    public serial_port_base
+  typedef basic_serial_port serial_port;
 
 
 [heading Types]
@@ -92913,21 +102623,21 @@ Provides serial port functionality.
 
   [
 
-    [[link asio.reference.serial_port.executor_type [*executor_type]]]
+    [[link asio.reference.basic_serial_port.executor_type [*executor_type]]]
     [The type of the executor associated with the object. ]
   
   ]
 
   [
 
-    [[link asio.reference.serial_port.lowest_layer_type [*lowest_layer_type]]]
-    [A basic_serial_port is always the lowest layer. ]
+    [[link asio.reference.basic_serial_port.lowest_layer_type [*lowest_layer_type]]]
+    [A basic_basic_serial_port is always the lowest layer. ]
   
   ]
 
   [
 
-    [[link asio.reference.serial_port.native_handle_type [*native_handle_type]]]
+    [[link asio.reference.basic_serial_port.native_handle_type [*native_handle_type]]]
     [The native representation of a serial port. ]
   
   ]
@@ -92939,904 +102649,106 @@ Provides serial port functionality.
   [[Name][Description]]
 
   [
-    [[link asio.reference.serial_port.assign [*assign]]]
+    [[link asio.reference.basic_serial_port.assign [*assign]]]
     [Assign an existing native serial port to the serial port. ]
   ]
   
   [
-    [[link asio.reference.serial_port.async_read_some [*async_read_some]]]
+    [[link asio.reference.basic_serial_port.async_read_some [*async_read_some]]]
     [Start an asynchronous read. ]
   ]
   
   [
-    [[link asio.reference.serial_port.async_write_some [*async_write_some]]]
+    [[link asio.reference.basic_serial_port.async_write_some [*async_write_some]]]
     [Start an asynchronous write. ]
   ]
   
   [
-    [[link asio.reference.serial_port.cancel [*cancel]]]
+    [[link asio.reference.basic_serial_port.basic_serial_port [*basic_serial_port]]]
+    [Construct a basic_serial_port without opening it. 
+     [hr]
+     Construct and open a basic_serial_port. 
+     [hr]
+     Construct a basic_serial_port on an existing native serial port. 
+     [hr]
+     Move-construct a basic_serial_port from another. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_serial_port.cancel [*cancel]]]
     [Cancel all asynchronous operations associated with the serial port. ]
   ]
   
   [
-    [[link asio.reference.serial_port.close [*close]]]
+    [[link asio.reference.basic_serial_port.close [*close]]]
     [Close the serial port. ]
   ]
   
   [
-    [[link asio.reference.serial_port.get_executor [*get_executor]]]
+    [[link asio.reference.basic_serial_port.get_executor [*get_executor]]]
     [Get the executor associated with the object. ]
   ]
   
   [
-    [[link asio.reference.serial_port.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.serial_port.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.serial_port.get_option [*get_option]]]
+    [[link asio.reference.basic_serial_port.get_option [*get_option]]]
     [Get an option from the serial port. ]
   ]
   
   [
-    [[link asio.reference.serial_port.is_open [*is_open]]]
+    [[link asio.reference.basic_serial_port.is_open [*is_open]]]
     [Determine whether the serial port is open. ]
   ]
   
   [
-    [[link asio.reference.serial_port.lowest_layer [*lowest_layer]]]
+    [[link asio.reference.basic_serial_port.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
   [
-    [[link asio.reference.serial_port.native_handle [*native_handle]]]
+    [[link asio.reference.basic_serial_port.native_handle [*native_handle]]]
     [Get the native serial port representation. ]
   ]
   
   [
-    [[link asio.reference.serial_port.open [*open]]]
+    [[link asio.reference.basic_serial_port.open [*open]]]
     [Open the serial port using the specified device name. ]
   ]
   
   [
-    [[link asio.reference.serial_port.operator_eq_ [*operator=]]]
-    [Move-assign a serial_port from another. ]
+    [[link asio.reference.basic_serial_port.operator_eq_ [*operator=]]]
+    [Move-assign a basic_serial_port from another. ]
   ]
   
   [
-    [[link asio.reference.serial_port.read_some [*read_some]]]
+    [[link asio.reference.basic_serial_port.read_some [*read_some]]]
     [Read some data from the serial port. ]
   ]
   
   [
-    [[link asio.reference.serial_port.send_break [*send_break]]]
+    [[link asio.reference.basic_serial_port.send_break [*send_break]]]
     [Send a break sequence to the serial port. ]
   ]
   
   [
-    [[link asio.reference.serial_port.serial_port [*serial_port]]]
-    [Construct a serial_port without opening it. 
-
-     Construct and open a serial_port. 
-
-     Construct a serial_port on an existing native serial port. 
-
-     Move-construct a serial_port from another. ]
-  ]
-  
-  [
-    [[link asio.reference.serial_port.set_option [*set_option]]]
+    [[link asio.reference.basic_serial_port.set_option [*set_option]]]
     [Set an option on the serial port. ]
   ]
   
   [
-    [[link asio.reference.serial_port.write_some [*write_some]]]
+    [[link asio.reference.basic_serial_port.write_some [*write_some]]]
     [Write some data to the serial port. ]
   ]
   
   [
-    [[link asio.reference.serial_port._serial_port [*~serial_port]]]
+    [[link asio.reference.basic_serial_port._basic_serial_port [*~basic_serial_port]]]
     [Destroys the serial port. ]
   ]
   
 ]
 
-The [link asio.reference.serial_port `serial_port`] class provides a wrapper over serial port functionality.
-
-
-[heading Thread Safety]
-  
-['Distinct] ['objects:] Safe.
-
-['Shared] ['objects:] Unsafe. 
-
-
-
-[heading Requirements]
-
-['Header: ][^asio/serial_port.hpp]
-
-['Convenience header: ][^asio.hpp]
-
-[section:assign serial_port::assign]
-
-[indexterm2 asio.indexterm.serial_port.assign..assign..serial_port] 
-Assign an existing native serial port to the serial port. 
-
-
-  void ``[link asio.reference.serial_port.assign.overload1 assign]``(
-      const native_handle_type & native_serial_port);
-  ``  [''''&raquo;''' [link asio.reference.serial_port.assign.overload1 more...]]``
-
-  void ``[link asio.reference.serial_port.assign.overload2 assign]``(
-      const native_handle_type & native_serial_port,
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.serial_port.assign.overload2 more...]]``
-
-
-[section:overload1 serial_port::assign (1 of 2 overloads)]
-
-
-Assign an existing native serial port to the serial port. 
-
-
-  void assign(
-      const native_handle_type & native_serial_port);
-
-
-
-[endsect]
-
-
-
-[section:overload2 serial_port::assign (2 of 2 overloads)]
-
-
-Assign an existing native serial port to the serial port. 
-
-
-  void assign(
-      const native_handle_type & native_serial_port,
-      asio::error_code & ec);
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[section:async_read_some serial_port::async_read_some]
-
-[indexterm2 asio.indexterm.serial_port.async_read_some..async_read_some..serial_port] 
-Start an asynchronous read. 
-
-
-  template<
-      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``,
-      typename ``[link asio.reference.ReadHandler ReadHandler]``>
-  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_read_some(
-      const MutableBufferSequence & buffers,
-      ReadHandler && handler);
-
-
-This function is used to asynchronously read data from the serial port. The function call always returns immediately.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[buffers][One or more buffers into which the data will be read. Although the buffers object may be copied as necessary, ownership of the underlying memory blocks is retained by the caller, which must guarantee that they remain valid until the handler is called.]]
-
-[[handler][The handler to be called when the read operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
-``
-   void handler(
-     const asio::error_code& error, // Result of operation.
-     std::size_t bytes_transferred           // Number of bytes read.
-   ); 
-``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
-
-]
-
-
-[heading Remarks]
-      
-The read operation may not read all of the requested number of bytes. Consider using the [link asio.reference.async_read `async_read`]  function if you need to ensure that the requested amount of data is read before the asynchronous operation completes.
-
-
-[heading Example]
-  
-To read into a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
-
-   serial_port.async_read_some(asio::buffer(data, size), handler);
-
-
-See the [link asio.reference.buffer `buffer`]  documentation for information on reading into multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
-
-
-
-
-[endsect]
-
-
-
-[section:async_write_some serial_port::async_write_some]
-
-[indexterm2 asio.indexterm.serial_port.async_write_some..async_write_some..serial_port] 
-Start an asynchronous write. 
-
-
-  template<
-      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``,
-      typename ``[link asio.reference.WriteHandler WriteHandler]``>
-  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_write_some(
-      const ConstBufferSequence & buffers,
-      WriteHandler && handler);
-
-
-This function is used to asynchronously write data to the serial port. The function call always returns immediately.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[buffers][One or more data buffers to be written to the serial port. Although the buffers object may be copied as necessary, ownership of the underlying memory blocks is retained by the caller, which must guarantee that they remain valid until the handler is called.]]
-
-[[handler][The handler to be called when the write operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
-``
-   void handler(
-     const asio::error_code& error, // Result of operation.
-     std::size_t bytes_transferred           // Number of bytes written.
-   ); 
-``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
-
-]
-
-
-[heading Remarks]
-      
-The write operation may not transmit all of the data to the peer. Consider using the [link asio.reference.async_write `async_write`]  function if you need to ensure that all data is written before the asynchronous operation completes.
-
-
-[heading Example]
-  
-To write a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
-
-   serial_port.async_write_some(asio::buffer(data, size), handler);
-
-
-See the [link asio.reference.buffer `buffer`]  documentation for information on writing multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
-
-
-
-
-[endsect]
-
-
-[section:cancel serial_port::cancel]
-
-[indexterm2 asio.indexterm.serial_port.cancel..cancel..serial_port] 
-Cancel all asynchronous operations associated with the serial port. 
-
-
-  void ``[link asio.reference.serial_port.cancel.overload1 cancel]``();
-  ``  [''''&raquo;''' [link asio.reference.serial_port.cancel.overload1 more...]]``
-
-  void ``[link asio.reference.serial_port.cancel.overload2 cancel]``(
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.serial_port.cancel.overload2 more...]]``
-
-
-[section:overload1 serial_port::cancel (1 of 2 overloads)]
-
-
-Cancel all asynchronous operations associated with the serial port. 
-
-
-  void cancel();
-
-
-This function causes all outstanding asynchronous read or write operations to finish immediately, and the handlers for cancelled operations will be passed the `asio::error::operation_aborted` error.
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 serial_port::cancel (2 of 2 overloads)]
-
-
-Cancel all asynchronous operations associated with the serial port. 
-
-
-  void cancel(
-      asio::error_code & ec);
-
-
-This function causes all outstanding asynchronous read or write operations to finish immediately, and the handlers for cancelled operations will be passed the `asio::error::operation_aborted` error.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[ec][Set to indicate what error occurred, if any. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-[section:close serial_port::close]
-
-[indexterm2 asio.indexterm.serial_port.close..close..serial_port] 
-Close the serial port. 
-
-
-  void ``[link asio.reference.serial_port.close.overload1 close]``();
-  ``  [''''&raquo;''' [link asio.reference.serial_port.close.overload1 more...]]``
-
-  void ``[link asio.reference.serial_port.close.overload2 close]``(
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.serial_port.close.overload2 more...]]``
-
-
-[section:overload1 serial_port::close (1 of 2 overloads)]
-
-
-Close the serial port. 
-
-
-  void close();
-
-
-This function is used to close the serial port. Any asynchronous read or write operations will be cancelled immediately, and will complete with the `asio::error::operation_aborted` error.
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 serial_port::close (2 of 2 overloads)]
-
-
-Close the serial port. 
-
-
-  void close(
-      asio::error_code & ec);
-
-
-This function is used to close the serial port. Any asynchronous read or write operations will be cancelled immediately, and will complete with the `asio::error::operation_aborted` error.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[ec][Set to indicate what error occurred, if any. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[section:executor_type serial_port::executor_type]
-
-[indexterm2 asio.indexterm.serial_port.executor_type..executor_type..serial_port] 
-The type of the executor associated with the object. 
-
-
-  typedef io_context::executor_type executor_type;
-
-
-[heading Member Functions]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.context [*context]]]
-    [Obtain the underlying execution context. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.defer [*defer]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.dispatch [*dispatch]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_finished [*on_work_finished]]]
-    [Inform the io_context that some work is no longer outstanding. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_started [*on_work_started]]]
-    [Inform the io_context that it has some outstanding work to do. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.post [*post]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.running_in_this_thread [*running_in_this_thread]]]
-    [Determine whether the io_context is running in the current thread. ]
-  ]
-  
-]
-
-[heading Friends]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.operator_not__eq_ [*operator!=]]]
-    [Compare two executors for inequality. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.operator_eq__eq_ [*operator==]]]
-    [Compare two executors for equality. ]
-  ]
-  
-]
-
-
-[heading Requirements]
-
-['Header: ][^asio/serial_port.hpp]
-
-['Convenience header: ][^asio.hpp]
-
-
-[endsect]
-
-
-
-[section:get_executor serial_port::get_executor]
-
-[indexterm2 asio.indexterm.serial_port.get_executor..get_executor..serial_port] 
-Get the executor associated with the object. 
-
-
-  executor_type get_executor();
-
-
-
-[endsect]
-
-
-
-[section:get_io_context serial_port::get_io_context]
-
-[indexterm2 asio.indexterm.serial_port.get_io_context..get_io_context..serial_port] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_context();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
-[section:get_io_service serial_port::get_io_service]
-
-[indexterm2 asio.indexterm.serial_port.get_io_service..get_io_service..serial_port] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_service();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-[section:get_option serial_port::get_option]
-
-[indexterm2 asio.indexterm.serial_port.get_option..get_option..serial_port] 
-Get an option from the serial port. 
-
-
-  template<
-      typename ``[link asio.reference.GettableSerialPortOption GettableSerialPortOption]``>
-  void ``[link asio.reference.serial_port.get_option.overload1 get_option]``(
-      GettableSerialPortOption & option);
-  ``  [''''&raquo;''' [link asio.reference.serial_port.get_option.overload1 more...]]``
-
-  template<
-      typename ``[link asio.reference.GettableSerialPortOption GettableSerialPortOption]``>
-  void ``[link asio.reference.serial_port.get_option.overload2 get_option]``(
-      GettableSerialPortOption & option,
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.serial_port.get_option.overload2 more...]]``
-
-
-[section:overload1 serial_port::get_option (1 of 2 overloads)]
-
-
-Get an option from the serial port. 
-
-
-  template<
-      typename ``[link asio.reference.GettableSerialPortOption GettableSerialPortOption]``>
-  void get_option(
-      GettableSerialPortOption & option);
-
-
-This function is used to get the current value of an option on the serial port.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[option][The option value to be obtained from the serial port.]]
-
-]
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure.]]
-
-]
-
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 serial_port::get_option (2 of 2 overloads)]
-
-
-Get an option from the serial port. 
-
-
-  template<
-      typename ``[link asio.reference.GettableSerialPortOption GettableSerialPortOption]``>
-  void get_option(
-      GettableSerialPortOption & option,
-      asio::error_code & ec);
-
-
-This function is used to get the current value of an option on the serial port.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[option][The option value to be obtained from the serial port.]]
-
-[[ec][Set to indicate what error occurred, if any.]]
-
-]
-
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[section:is_open serial_port::is_open]
-
-[indexterm2 asio.indexterm.serial_port.is_open..is_open..serial_port] 
-Determine whether the serial port is open. 
-
-
-  bool is_open() const;
-
-
-
-[endsect]
-
-
-[section:lowest_layer serial_port::lowest_layer]
-
-[indexterm2 asio.indexterm.serial_port.lowest_layer..lowest_layer..serial_port] 
-Get a reference to the lowest layer. 
-
-
-  lowest_layer_type & ``[link asio.reference.serial_port.lowest_layer.overload1 lowest_layer]``();
-  ``  [''''&raquo;''' [link asio.reference.serial_port.lowest_layer.overload1 more...]]``
-
-
-Get a const reference to the lowest layer. 
-
-
-  const lowest_layer_type & ``[link asio.reference.serial_port.lowest_layer.overload2 lowest_layer]``() const;
-  ``  [''''&raquo;''' [link asio.reference.serial_port.lowest_layer.overload2 more...]]``
-
-
-[section:overload1 serial_port::lowest_layer (1 of 2 overloads)]
-
-
-Get a reference to the lowest layer. 
-
-
-  lowest_layer_type & lowest_layer();
-
-
-This function returns a reference to the lowest layer in a stack of layers. Since a [link asio.reference.serial_port `serial_port`] cannot contain any further layers, it simply returns a reference to itself.
-
-
-[heading Return Value]
-      
-A reference to the lowest layer in the stack of layers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 serial_port::lowest_layer (2 of 2 overloads)]
-
-
-Get a const reference to the lowest layer. 
-
-
-  const lowest_layer_type & lowest_layer() const;
-
-
-This function returns a const reference to the lowest layer in a stack of layers. Since a [link asio.reference.serial_port `serial_port`] cannot contain any further layers, it simply returns a reference to itself.
-
-
-[heading Return Value]
-      
-A const reference to the lowest layer in the stack of layers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[section:lowest_layer_type serial_port::lowest_layer_type]
-
-[indexterm2 asio.indexterm.serial_port.lowest_layer_type..lowest_layer_type..serial_port] 
-A basic\_serial\_port is always the lowest layer. 
-
-
-  typedef serial_port lowest_layer_type;
-
-
-[heading Types]
-[table
-  [[Name][Description]]
-
-  [
-
-    [[link asio.reference.serial_port.executor_type [*executor_type]]]
-    [The type of the executor associated with the object. ]
-  
-  ]
-
-  [
-
-    [[link asio.reference.serial_port.lowest_layer_type [*lowest_layer_type]]]
-    [A basic_serial_port is always the lowest layer. ]
-  
-  ]
-
-  [
-
-    [[link asio.reference.serial_port.native_handle_type [*native_handle_type]]]
-    [The native representation of a serial port. ]
-  
-  ]
-
-]
-
-[heading Member Functions]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.serial_port.assign [*assign]]]
-    [Assign an existing native serial port to the serial port. ]
-  ]
-  
-  [
-    [[link asio.reference.serial_port.async_read_some [*async_read_some]]]
-    [Start an asynchronous read. ]
-  ]
-  
-  [
-    [[link asio.reference.serial_port.async_write_some [*async_write_some]]]
-    [Start an asynchronous write. ]
-  ]
-  
-  [
-    [[link asio.reference.serial_port.cancel [*cancel]]]
-    [Cancel all asynchronous operations associated with the serial port. ]
-  ]
-  
-  [
-    [[link asio.reference.serial_port.close [*close]]]
-    [Close the serial port. ]
-  ]
-  
-  [
-    [[link asio.reference.serial_port.get_executor [*get_executor]]]
-    [Get the executor associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.serial_port.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.serial_port.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.serial_port.get_option [*get_option]]]
-    [Get an option from the serial port. ]
-  ]
-  
-  [
-    [[link asio.reference.serial_port.is_open [*is_open]]]
-    [Determine whether the serial port is open. ]
-  ]
-  
-  [
-    [[link asio.reference.serial_port.lowest_layer [*lowest_layer]]]
-    [Get a reference to the lowest layer. 
-
-     Get a const reference to the lowest layer. ]
-  ]
-  
-  [
-    [[link asio.reference.serial_port.native_handle [*native_handle]]]
-    [Get the native serial port representation. ]
-  ]
-  
-  [
-    [[link asio.reference.serial_port.open [*open]]]
-    [Open the serial port using the specified device name. ]
-  ]
-  
-  [
-    [[link asio.reference.serial_port.operator_eq_ [*operator=]]]
-    [Move-assign a serial_port from another. ]
-  ]
-  
-  [
-    [[link asio.reference.serial_port.read_some [*read_some]]]
-    [Read some data from the serial port. ]
-  ]
-  
-  [
-    [[link asio.reference.serial_port.send_break [*send_break]]]
-    [Send a break sequence to the serial port. ]
-  ]
-  
-  [
-    [[link asio.reference.serial_port.serial_port [*serial_port]]]
-    [Construct a serial_port without opening it. 
-
-     Construct and open a serial_port. 
-
-     Construct a serial_port on an existing native serial port. 
-
-     Move-construct a serial_port from another. ]
-  ]
-  
-  [
-    [[link asio.reference.serial_port.set_option [*set_option]]]
-    [Set an option on the serial port. ]
-  ]
-  
-  [
-    [[link asio.reference.serial_port.write_some [*write_some]]]
-    [Write some data to the serial port. ]
-  ]
-  
-  [
-    [[link asio.reference.serial_port._serial_port [*~serial_port]]]
-    [Destroys the serial port. ]
-  ]
-  
-]
-
-The [link asio.reference.serial_port `serial_port`] class provides a wrapper over serial port functionality.
+The [link asio.reference.basic_serial_port `basic_serial_port`] class provides a wrapper over serial port functionality.
 
 
 [heading Thread Safety]
@@ -93858,822 +102770,10 @@ The [link asio.reference.serial_port `serial_port`] class provides a wrapper ove
 [endsect]
 
 
-
-[section:native_handle serial_port::native_handle]
-
-[indexterm2 asio.indexterm.serial_port.native_handle..native_handle..serial_port] 
-Get the native serial port representation. 
-
-
-  native_handle_type native_handle();
-
-
-This function may be used to obtain the underlying representation of the serial port. This is intended to allow access to native serial port functionality that is not otherwise provided. 
-
-
-[endsect]
-
-
-
-[section:native_handle_type serial_port::native_handle_type]
-
-[indexterm2 asio.indexterm.serial_port.native_handle_type..native_handle_type..serial_port] 
-The native representation of a serial port. 
-
-
-  typedef implementation_defined native_handle_type;
-
-
-
-[heading Requirements]
-
-['Header: ][^asio/serial_port.hpp]
-
-['Convenience header: ][^asio.hpp]
-
-
-[endsect]
-
-
-[section:open serial_port::open]
-
-[indexterm2 asio.indexterm.serial_port.open..open..serial_port] 
-Open the serial port using the specified device name. 
-
-
-  void ``[link asio.reference.serial_port.open.overload1 open]``(
-      const std::string & device);
-  ``  [''''&raquo;''' [link asio.reference.serial_port.open.overload1 more...]]``
-
-  void ``[link asio.reference.serial_port.open.overload2 open]``(
-      const std::string & device,
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.serial_port.open.overload2 more...]]``
-
-
-[section:overload1 serial_port::open (1 of 2 overloads)]
-
-
-Open the serial port using the specified device name. 
-
-
-  void open(
-      const std::string & device);
-
-
-This function opens the serial port for the specified device name.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[device][The platform-specific device name.]]
-
-]
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 serial_port::open (2 of 2 overloads)]
-
-
-Open the serial port using the specified device name. 
-
-
-  void open(
-      const std::string & device,
-      asio::error_code & ec);
-
-
-This function opens the serial port using the given platform-specific device name.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[device][The platform-specific device name.]]
-
-[[ec][Set the indicate what error occurred, if any. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[section:operator_eq_ serial_port::operator=]
-
-[indexterm2 asio.indexterm.serial_port.operator_eq_..operator=..serial_port] 
-Move-assign a [link asio.reference.serial_port `serial_port`] from another. 
-
-
-  serial_port & operator=(
-      serial_port && other);
-
-
-This assignment operator moves a serial port from one object to another.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[other][The other [link asio.reference.serial_port `serial_port`] object from which the move will occur.]]
-
-]
-
-
-[heading Remarks]
-      
-Following the move, the moved-from object is in the same state as if constructed using the `serial_port(io_context&) constructor`. 
-
-
-
-
-[endsect]
-
-
-[section:read_some serial_port::read_some]
-
-[indexterm2 asio.indexterm.serial_port.read_some..read_some..serial_port] 
-Read some data from the serial port. 
-
-
-  template<
-      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
-  std::size_t ``[link asio.reference.serial_port.read_some.overload1 read_some]``(
-      const MutableBufferSequence & buffers);
-  ``  [''''&raquo;''' [link asio.reference.serial_port.read_some.overload1 more...]]``
-
-  template<
-      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
-  std::size_t ``[link asio.reference.serial_port.read_some.overload2 read_some]``(
-      const MutableBufferSequence & buffers,
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.serial_port.read_some.overload2 more...]]``
-
-
-[section:overload1 serial_port::read_some (1 of 2 overloads)]
-
-
-Read some data from the serial port. 
-
-
-  template<
-      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
-  std::size_t read_some(
-      const MutableBufferSequence & buffers);
-
-
-This function is used to read data from the serial port. The function call will block until one or more bytes of data has been read successfully, or until an error occurs.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[buffers][One or more buffers into which the data will be read.]]
-
-]
-
-
-[heading Return Value]
-      
-The number of bytes read.
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. An error code of `asio::error::eof` indicates that the connection was closed by the peer.]]
-
-]
-
-
-[heading Remarks]
-      
-The read\_some operation may not read all of the requested number of bytes. Consider using the [link asio.reference.read `read`]  function if you need to ensure that the requested amount of data is read before the blocking operation completes.
-
-
-[heading Example]
-  
-To read into a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
-
-   serial_port.read_some(asio::buffer(data, size));
-
-
-See the [link asio.reference.buffer `buffer`]  documentation for information on reading into multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 serial_port::read_some (2 of 2 overloads)]
-
-
-Read some data from the serial port. 
-
-
-  template<
-      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
-  std::size_t read_some(
-      const MutableBufferSequence & buffers,
-      asio::error_code & ec);
-
-
-This function is used to read data from the serial port. The function call will block until one or more bytes of data has been read successfully, or until an error occurs.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[buffers][One or more buffers into which the data will be read.]]
-
-[[ec][Set to indicate what error occurred, if any.]]
-
-]
-
-
-[heading Return Value]
-      
-The number of bytes read. Returns 0 if an error occurred.
-
-
-[heading Remarks]
-      
-The read\_some operation may not read all of the requested number of bytes. Consider using the [link asio.reference.read `read`]  function if you need to ensure that the requested amount of data is read before the blocking operation completes. 
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-[section:send_break serial_port::send_break]
-
-[indexterm2 asio.indexterm.serial_port.send_break..send_break..serial_port] 
-Send a break sequence to the serial port. 
-
-
-  void ``[link asio.reference.serial_port.send_break.overload1 send_break]``();
-  ``  [''''&raquo;''' [link asio.reference.serial_port.send_break.overload1 more...]]``
-
-  void ``[link asio.reference.serial_port.send_break.overload2 send_break]``(
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.serial_port.send_break.overload2 more...]]``
-
-
-[section:overload1 serial_port::send_break (1 of 2 overloads)]
-
-
-Send a break sequence to the serial port. 
-
-
-  void send_break();
-
-
-This function causes a break sequence of platform-specific duration to be sent out the serial port.
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 serial_port::send_break (2 of 2 overloads)]
-
-
-Send a break sequence to the serial port. 
-
-
-  void send_break(
-      asio::error_code & ec);
-
-
-This function causes a break sequence of platform-specific duration to be sent out the serial port.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[ec][Set to indicate what error occurred, if any. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-[section:serial_port serial_port::serial_port]
-
-[indexterm2 asio.indexterm.serial_port.serial_port..serial_port..serial_port] 
-Construct a [link asio.reference.serial_port `serial_port`] without opening it. 
-
-
-  explicit ``[link asio.reference.serial_port.serial_port.overload1 serial_port]``(
-      asio::io_context & io_context);
-  ``  [''''&raquo;''' [link asio.reference.serial_port.serial_port.overload1 more...]]``
-
-
-Construct and open a [link asio.reference.serial_port `serial_port`]. 
-
-
-  explicit ``[link asio.reference.serial_port.serial_port.overload2 serial_port]``(
-      asio::io_context & io_context,
-      const char * device);
-  ``  [''''&raquo;''' [link asio.reference.serial_port.serial_port.overload2 more...]]``
-
-  explicit ``[link asio.reference.serial_port.serial_port.overload3 serial_port]``(
-      asio::io_context & io_context,
-      const std::string & device);
-  ``  [''''&raquo;''' [link asio.reference.serial_port.serial_port.overload3 more...]]``
-
-
-Construct a [link asio.reference.serial_port `serial_port`] on an existing native serial port. 
-
-
-  ``[link asio.reference.serial_port.serial_port.overload4 serial_port]``(
-      asio::io_context & io_context,
-      const native_handle_type & native_serial_port);
-  ``  [''''&raquo;''' [link asio.reference.serial_port.serial_port.overload4 more...]]``
-
-
-Move-construct a [link asio.reference.serial_port `serial_port`] from another. 
-
-
-  ``[link asio.reference.serial_port.serial_port.overload5 serial_port]``(
-      serial_port && other);
-  ``  [''''&raquo;''' [link asio.reference.serial_port.serial_port.overload5 more...]]``
-
-
-[section:overload1 serial_port::serial_port (1 of 5 overloads)]
-
-
-Construct a [link asio.reference.serial_port `serial_port`] without opening it. 
-
-
-  serial_port(
-      asio::io_context & io_context);
-
-
-This constructor creates a serial port without opening it.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[io_context][The [link asio.reference.io_context `io_context`] object that the serial port will use to dispatch handlers for any asynchronous operations performed on the port. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 serial_port::serial_port (2 of 5 overloads)]
-
-
-Construct and open a [link asio.reference.serial_port `serial_port`]. 
-
-
-  serial_port(
-      asio::io_context & io_context,
-      const char * device);
-
-
-This constructor creates and opens a serial port for the specified device name.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[io_context][The [link asio.reference.io_context `io_context`] object that the serial port will use to dispatch handlers for any asynchronous operations performed on the port.]]
-
-[[device][The platform-specific device name for this serial port. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload3 serial_port::serial_port (3 of 5 overloads)]
-
-
-Construct and open a [link asio.reference.serial_port `serial_port`]. 
-
-
-  serial_port(
-      asio::io_context & io_context,
-      const std::string & device);
-
-
-This constructor creates and opens a serial port for the specified device name.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[io_context][The [link asio.reference.io_context `io_context`] object that the serial port will use to dispatch handlers for any asynchronous operations performed on the port.]]
-
-[[device][The platform-specific device name for this serial port. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload4 serial_port::serial_port (4 of 5 overloads)]
-
-
-Construct a [link asio.reference.serial_port `serial_port`] on an existing native serial port. 
-
-
-  serial_port(
-      asio::io_context & io_context,
-      const native_handle_type & native_serial_port);
-
-
-This constructor creates a serial port object to hold an existing native serial port.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[io_context][The [link asio.reference.io_context `io_context`] object that the serial port will use to dispatch handlers for any asynchronous operations performed on the port.]]
-
-[[native_serial_port][A native serial port.]]
-
-]
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload5 serial_port::serial_port (5 of 5 overloads)]
-
-
-Move-construct a [link asio.reference.serial_port `serial_port`] from another. 
-
-
-  serial_port(
-      serial_port && other);
-
-
-This constructor moves a serial port from one object to another.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[other][The other [link asio.reference.serial_port `serial_port`] object from which the move will occur.]]
-
-]
-
-
-[heading Remarks]
-      
-Following the move, the moved-from object is in the same state as if constructed using the `serial_port(io_context&) constructor`. 
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-[section:set_option serial_port::set_option]
-
-[indexterm2 asio.indexterm.serial_port.set_option..set_option..serial_port] 
-Set an option on the serial port. 
-
-
-  template<
-      typename ``[link asio.reference.SettableSerialPortOption SettableSerialPortOption]``>
-  void ``[link asio.reference.serial_port.set_option.overload1 set_option]``(
-      const SettableSerialPortOption & option);
-  ``  [''''&raquo;''' [link asio.reference.serial_port.set_option.overload1 more...]]``
-
-  template<
-      typename ``[link asio.reference.SettableSerialPortOption SettableSerialPortOption]``>
-  void ``[link asio.reference.serial_port.set_option.overload2 set_option]``(
-      const SettableSerialPortOption & option,
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.serial_port.set_option.overload2 more...]]``
-
-
-[section:overload1 serial_port::set_option (1 of 2 overloads)]
-
-
-Set an option on the serial port. 
-
-
-  template<
-      typename ``[link asio.reference.SettableSerialPortOption SettableSerialPortOption]``>
-  void set_option(
-      const SettableSerialPortOption & option);
-
-
-This function is used to set an option on the serial port.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[option][The option value to be set on the serial port.]]
-
-]
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure.]]
-
-]
-
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 serial_port::set_option (2 of 2 overloads)]
-
-
-Set an option on the serial port. 
-
-
-  template<
-      typename ``[link asio.reference.SettableSerialPortOption SettableSerialPortOption]``>
-  void set_option(
-      const SettableSerialPortOption & option,
-      asio::error_code & ec);
-
-
-This function is used to set an option on the serial port.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[option][The option value to be set on the serial port.]]
-
-[[ec][Set to indicate what error occurred, if any.]]
-
-]
-
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-[section:write_some serial_port::write_some]
-
-[indexterm2 asio.indexterm.serial_port.write_some..write_some..serial_port] 
-Write some data to the serial port. 
-
-
-  template<
-      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
-  std::size_t ``[link asio.reference.serial_port.write_some.overload1 write_some]``(
-      const ConstBufferSequence & buffers);
-  ``  [''''&raquo;''' [link asio.reference.serial_port.write_some.overload1 more...]]``
-
-  template<
-      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
-  std::size_t ``[link asio.reference.serial_port.write_some.overload2 write_some]``(
-      const ConstBufferSequence & buffers,
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.serial_port.write_some.overload2 more...]]``
-
-
-[section:overload1 serial_port::write_some (1 of 2 overloads)]
-
-
-Write some data to the serial port. 
-
-
-  template<
-      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
-  std::size_t write_some(
-      const ConstBufferSequence & buffers);
-
-
-This function is used to write data to the serial port. The function call will block until one or more bytes of the data has been written successfully, or until an error occurs.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[buffers][One or more data buffers to be written to the serial port.]]
-
-]
-
-
-[heading Return Value]
-      
-The number of bytes written.
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. An error code of `asio::error::eof` indicates that the connection was closed by the peer.]]
-
-]
-
-
-[heading Remarks]
-      
-The write\_some operation may not transmit all of the data to the peer. Consider using the [link asio.reference.write `write`]  function if you need to ensure that all data is written before the blocking operation completes.
-
-
-[heading Example]
-  
-To write a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
-
-   serial_port.write_some(asio::buffer(data, size));
-
-
-See the [link asio.reference.buffer `buffer`]  documentation for information on writing multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 serial_port::write_some (2 of 2 overloads)]
-
-
-Write some data to the serial port. 
-
-
-  template<
-      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
-  std::size_t write_some(
-      const ConstBufferSequence & buffers,
-      asio::error_code & ec);
-
-
-This function is used to write data to the serial port. The function call will block until one or more bytes of the data has been written successfully, or until an error occurs.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[buffers][One or more data buffers to be written to the serial port.]]
-
-[[ec][Set to indicate what error occurred, if any.]]
-
-]
-
-
-[heading Return Value]
-      
-The number of bytes written. Returns 0 if an error occurred.
-
-
-[heading Remarks]
-      
-The write\_some operation may not transmit all of the data to the peer. Consider using the [link asio.reference.write `write`]  function if you need to ensure that all data is written before the blocking operation completes. 
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[section:_serial_port serial_port::~serial_port]
-
-[indexterm2 asio.indexterm.serial_port._serial_port..~serial_port..serial_port] 
-Destroys the serial port. 
-
-
-  ~serial_port();
-
-
-This function destroys the serial port, cancelling any outstanding asynchronous wait operations associated with the serial port as if by calling `cancel`. 
-
-
-[endsect]
-
-
-
-[endsect]
-
 [section:serial_port_base serial_port_base]
 
 
-The [link asio.reference.serial_port_base `serial_port_base`] class is used as a base for the basic\_serial\_port class template so that we have a common place to define the serial port options. 
+The [link asio.reference.serial_port_base `serial_port_base`] class is used as a base for the [link asio.reference.basic_serial_port `basic_serial_port`] class template so that we have a common place to define the serial port options. 
 
 
   class serial_port_base
@@ -95437,13 +103537,14 @@ Exception thrown when trying to add a duplicate service to an [link asio.referen
 
 [endsect]
 
+
 [section:signal_set signal_set]
 
-
-Provides signal functionality. 
+[indexterm1 asio.indexterm.signal_set..signal_set] 
+Typedef for the typical usage of a signal set. 
 
 
-  class signal_set
+  typedef basic_signal_set signal_set;
 
 
 [heading Types]
@@ -95452,7 +103553,7 @@ Provides signal functionality.
 
   [
 
-    [[link asio.reference.signal_set.executor_type [*executor_type]]]
+    [[link asio.reference.basic_signal_set.executor_type [*executor_type]]]
     [The type of the executor associated with the object. ]
   
   ]
@@ -95464,64 +103565,54 @@ Provides signal functionality.
   [[Name][Description]]
 
   [
-    [[link asio.reference.signal_set.add [*add]]]
+    [[link asio.reference.basic_signal_set.add [*add]]]
     [Add a signal to a signal_set. ]
   ]
   
   [
-    [[link asio.reference.signal_set.async_wait [*async_wait]]]
+    [[link asio.reference.basic_signal_set.async_wait [*async_wait]]]
     [Start an asynchronous operation to wait for a signal to be delivered. ]
   ]
   
   [
-    [[link asio.reference.signal_set.cancel [*cancel]]]
-    [Cancel all operations associated with the signal set. ]
-  ]
-  
-  [
-    [[link asio.reference.signal_set.clear [*clear]]]
-    [Remove all signals from a signal_set. ]
-  ]
-  
-  [
-    [[link asio.reference.signal_set.get_executor [*get_executor]]]
-    [Get the executor associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.signal_set.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.signal_set.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.signal_set.remove [*remove]]]
-    [Remove a signal from a signal_set. ]
-  ]
-  
-  [
-    [[link asio.reference.signal_set.signal_set [*signal_set]]]
+    [[link asio.reference.basic_signal_set.basic_signal_set [*basic_signal_set]]]
     [Construct a signal set without adding any signals. 
-
+     [hr]
      Construct a signal set and add one signal. 
-
+     [hr]
      Construct a signal set and add two signals. 
-
+     [hr]
      Construct a signal set and add three signals. ]
   ]
   
   [
-    [[link asio.reference.signal_set._signal_set [*~signal_set]]]
+    [[link asio.reference.basic_signal_set.cancel [*cancel]]]
+    [Cancel all operations associated with the signal set. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_signal_set.clear [*clear]]]
+    [Remove all signals from a signal_set. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_signal_set.get_executor [*get_executor]]]
+    [Get the executor associated with the object. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_signal_set.remove [*remove]]]
+    [Remove a signal from a signal_set. ]
+  ]
+  
+  [
+    [[link asio.reference.basic_signal_set._basic_signal_set [*~basic_signal_set]]]
     [Destroys the signal set. ]
   ]
   
 ]
 
-The [link asio.reference.signal_set `signal_set`] class provides the ability to perform an asynchronous wait for one or more signals to occur.
+The [link asio.reference.basic_signal_set `basic_signal_set`] class provides the ability to perform an asynchronous wait for one or more signals to occur.
 
 
 [heading Thread Safety]
@@ -95548,7 +103639,7 @@ Performing an asynchronous wait:
    ...
 
    // Construct a signal set registered for process termination.
-   asio::signal_set signals(io_context, SIGINT, SIGTERM);
+   asio::signal_set signals(my_context, SIGINT, SIGTERM);
 
    // Start an asynchronous wait for one of the signals to occur.
    signals.async_wait(handler);
@@ -95561,16 +103652,16 @@ Performing an asynchronous wait:
   
 
 
-If a signal is registered with a [link asio.reference.signal_set `signal_set`], and the signal occurs when there are no waiting handlers, then the signal notification is queued. The next async\_wait operation on that [link asio.reference.signal_set `signal_set`] will dequeue the notification. If multiple notifications are queued, subsequent async\_wait operations dequeue them one at a time. Signal notifications are dequeued in order of ascending signal number.
+If a signal is registered with a signal\_set, and the signal occurs when there are no waiting handlers, then the signal notification is queued. The next async\_wait operation on that signal\_set will dequeue the notification. If multiple notifications are queued, subsequent async\_wait operations dequeue them one at a time. Signal notifications are dequeued in order of ascending signal number.
 
-If a signal number is removed from a [link asio.reference.signal_set `signal_set`] (using the `remove` or `erase` member functions) then any queued notifications for that signal are discarded.
+If a signal number is removed from a signal\_set (using the `remove` or `erase` member functions) then any queued notifications for that signal are discarded.
 
 
 [heading Multiple registration of signals]
   
 
 
-The same signal number may be registered with different [link asio.reference.signal_set `signal_set`] objects. When the signal occurs, one handler is called for each [link asio.reference.signal_set `signal_set`] object.
+The same signal number may be registered with different signal\_set objects. When the signal occurs, one handler is called for each signal\_set object.
 
 Note that multiple registration only works for signals that are registered using Asio. The application must not also register a signal handler using functions such as `signal()` or `sigaction()`.
 
@@ -95579,394 +103670,7 @@ Note that multiple registration only works for signals that are registered using
   
 
 
-POSIX allows signals to be blocked using functions such as `sigprocmask()` and `pthread_sigmask()`. For signals to be delivered, programs must ensure that any signals registered using [link asio.reference.signal_set `signal_set`] objects are unblocked in at least one thread. 
-
-[heading Requirements]
-
-['Header: ][^asio/signal_set.hpp]
-
-['Convenience header: ][^asio.hpp]
-
-[section:add signal_set::add]
-
-[indexterm2 asio.indexterm.signal_set.add..add..signal_set] 
-Add a signal to a [link asio.reference.signal_set `signal_set`]. 
-
-
-  void ``[link asio.reference.signal_set.add.overload1 add]``(
-      int signal_number);
-  ``  [''''&raquo;''' [link asio.reference.signal_set.add.overload1 more...]]``
-
-  void ``[link asio.reference.signal_set.add.overload2 add]``(
-      int signal_number,
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.signal_set.add.overload2 more...]]``
-
-
-[section:overload1 signal_set::add (1 of 2 overloads)]
-
-
-Add a signal to a [link asio.reference.signal_set `signal_set`]. 
-
-
-  void add(
-      int signal_number);
-
-
-This function adds the specified signal to the set. It has no effect if the signal is already in the set.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[signal_number][The signal to be added to the set.]]
-
-]
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 signal_set::add (2 of 2 overloads)]
-
-
-Add a signal to a [link asio.reference.signal_set `signal_set`]. 
-
-
-  void add(
-      int signal_number,
-      asio::error_code & ec);
-
-
-This function adds the specified signal to the set. It has no effect if the signal is already in the set.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[signal_number][The signal to be added to the set.]]
-
-[[ec][Set to indicate what error occurred, if any. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[section:async_wait signal_set::async_wait]
-
-[indexterm2 asio.indexterm.signal_set.async_wait..async_wait..signal_set] 
-Start an asynchronous operation to wait for a signal to be delivered. 
-
-
-  template<
-      typename ``[link asio.reference.SignalHandler SignalHandler]``>
-  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_wait(
-      SignalHandler && handler);
-
-
-This function may be used to initiate an asynchronous wait against the signal set. It always returns immediately.
-
-For each call to `async_wait()`, the supplied handler will be called exactly once. The handler will be called when:
-
-
-* One of the registered signals in the signal set occurs; or
-
-
-* The signal set was cancelled, in which case the handler is passed the error code `asio::error::operation_aborted`.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[handler][The handler to be called when the signal occurs. Copies will be made of the handler as required. The function signature of the handler must be: 
-``
-   void handler(
-     const asio::error_code& error, // Result of operation.
-     int signal_number // Indicates which signal occurred.
-   ); 
-``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-[section:cancel signal_set::cancel]
-
-[indexterm2 asio.indexterm.signal_set.cancel..cancel..signal_set] 
-Cancel all operations associated with the signal set. 
-
-
-  void ``[link asio.reference.signal_set.cancel.overload1 cancel]``();
-  ``  [''''&raquo;''' [link asio.reference.signal_set.cancel.overload1 more...]]``
-
-  void ``[link asio.reference.signal_set.cancel.overload2 cancel]``(
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.signal_set.cancel.overload2 more...]]``
-
-
-[section:overload1 signal_set::cancel (1 of 2 overloads)]
-
-
-Cancel all operations associated with the signal set. 
-
-
-  void cancel();
-
-
-This function forces the completion of any pending asynchronous wait operations against the signal set. The handler for each cancelled operation will be invoked with the `asio::error::operation_aborted` error code.
-
-Cancellation does not alter the set of registered signals.
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure.]]
-
-]
-
-
-[heading Remarks]
-      
-If a registered signal occurred before `cancel()` is called, then the handlers for asynchronous wait operations will:
-
-
-* have already been invoked; or
-
-
-* have been queued for invocation in the near future.
-
-These handlers can no longer be cancelled, and therefore are passed an error code that indicates the successful completion of the wait operation. 
-
-
-[endsect]
-
-
-
-[section:overload2 signal_set::cancel (2 of 2 overloads)]
-
-
-Cancel all operations associated with the signal set. 
-
-
-  void cancel(
-      asio::error_code & ec);
-
-
-This function forces the completion of any pending asynchronous wait operations against the signal set. The handler for each cancelled operation will be invoked with the `asio::error::operation_aborted` error code.
-
-Cancellation does not alter the set of registered signals.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[ec][Set to indicate what error occurred, if any.]]
-
-]
-
-
-[heading Remarks]
-      
-If a registered signal occurred before `cancel()` is called, then the handlers for asynchronous wait operations will:
-
-
-* have already been invoked; or
-
-
-* have been queued for invocation in the near future.
-
-These handlers can no longer be cancelled, and therefore are passed an error code that indicates the successful completion of the wait operation. 
-
-
-[endsect]
-
-
-[endsect]
-
-[section:clear signal_set::clear]
-
-[indexterm2 asio.indexterm.signal_set.clear..clear..signal_set] 
-Remove all signals from a [link asio.reference.signal_set `signal_set`]. 
-
-
-  void ``[link asio.reference.signal_set.clear.overload1 clear]``();
-  ``  [''''&raquo;''' [link asio.reference.signal_set.clear.overload1 more...]]``
-
-  void ``[link asio.reference.signal_set.clear.overload2 clear]``(
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.signal_set.clear.overload2 more...]]``
-
-
-[section:overload1 signal_set::clear (1 of 2 overloads)]
-
-
-Remove all signals from a [link asio.reference.signal_set `signal_set`]. 
-
-
-  void clear();
-
-
-This function removes all signals from the set. It has no effect if the set is already empty.
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure.]]
-
-]
-
-
-[heading Remarks]
-      
-Removes all queued notifications. 
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 signal_set::clear (2 of 2 overloads)]
-
-
-Remove all signals from a [link asio.reference.signal_set `signal_set`]. 
-
-
-  void clear(
-      asio::error_code & ec);
-
-
-This function removes all signals from the set. It has no effect if the set is already empty.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[ec][Set to indicate what error occurred, if any.]]
-
-]
-
-
-[heading Remarks]
-      
-Removes all queued notifications. 
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[section:executor_type signal_set::executor_type]
-
-[indexterm2 asio.indexterm.signal_set.executor_type..executor_type..signal_set] 
-The type of the executor associated with the object. 
-
-
-  typedef io_context::executor_type executor_type;
-
-
-[heading Member Functions]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.context [*context]]]
-    [Obtain the underlying execution context. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.defer [*defer]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.dispatch [*dispatch]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_finished [*on_work_finished]]]
-    [Inform the io_context that some work is no longer outstanding. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_started [*on_work_started]]]
-    [Inform the io_context that it has some outstanding work to do. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.post [*post]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.running_in_this_thread [*running_in_this_thread]]]
-    [Determine whether the io_context is running in the current thread. ]
-  ]
-  
-]
-
-[heading Friends]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.operator_not__eq_ [*operator!=]]]
-    [Compare two executors for inequality. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.operator_eq__eq_ [*operator==]]]
-    [Compare two executors for equality. ]
-  ]
-  
-]
+POSIX allows signals to be blocked using functions such as `sigprocmask()` and `pthread_sigmask()`. For signals to be delivered, programs must ensure that any signals registered using signal\_set objects are unblocked in at least one thread. 
 
 
 [heading Requirements]
@@ -95979,395 +103683,6 @@ The type of the executor associated with the object.
 [endsect]
 
 
-
-[section:get_executor signal_set::get_executor]
-
-[indexterm2 asio.indexterm.signal_set.get_executor..get_executor..signal_set] 
-Get the executor associated with the object. 
-
-
-  executor_type get_executor();
-
-
-
-[endsect]
-
-
-
-[section:get_io_context signal_set::get_io_context]
-
-[indexterm2 asio.indexterm.signal_set.get_io_context..get_io_context..signal_set] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_context();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
-[section:get_io_service signal_set::get_io_service]
-
-[indexterm2 asio.indexterm.signal_set.get_io_service..get_io_service..signal_set] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_service();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-[section:remove signal_set::remove]
-
-[indexterm2 asio.indexterm.signal_set.remove..remove..signal_set] 
-Remove a signal from a [link asio.reference.signal_set `signal_set`]. 
-
-
-  void ``[link asio.reference.signal_set.remove.overload1 remove]``(
-      int signal_number);
-  ``  [''''&raquo;''' [link asio.reference.signal_set.remove.overload1 more...]]``
-
-  void ``[link asio.reference.signal_set.remove.overload2 remove]``(
-      int signal_number,
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.signal_set.remove.overload2 more...]]``
-
-
-[section:overload1 signal_set::remove (1 of 2 overloads)]
-
-
-Remove a signal from a [link asio.reference.signal_set `signal_set`]. 
-
-
-  void remove(
-      int signal_number);
-
-
-This function removes the specified signal from the set. It has no effect if the signal is not in the set.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[signal_number][The signal to be removed from the set.]]
-
-]
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure.]]
-
-]
-
-
-[heading Remarks]
-      
-Removes any notifications that have been queued for the specified signal number. 
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 signal_set::remove (2 of 2 overloads)]
-
-
-Remove a signal from a [link asio.reference.signal_set `signal_set`]. 
-
-
-  void remove(
-      int signal_number,
-      asio::error_code & ec);
-
-
-This function removes the specified signal from the set. It has no effect if the signal is not in the set.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[signal_number][The signal to be removed from the set.]]
-
-[[ec][Set to indicate what error occurred, if any.]]
-
-]
-
-
-[heading Remarks]
-      
-Removes any notifications that have been queued for the specified signal number. 
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-[section:signal_set signal_set::signal_set]
-
-[indexterm2 asio.indexterm.signal_set.signal_set..signal_set..signal_set] 
-Construct a signal set without adding any signals. 
-
-
-  explicit ``[link asio.reference.signal_set.signal_set.overload1 signal_set]``(
-      asio::io_context & io_context);
-  ``  [''''&raquo;''' [link asio.reference.signal_set.signal_set.overload1 more...]]``
-
-
-Construct a signal set and add one signal. 
-
-
-  ``[link asio.reference.signal_set.signal_set.overload2 signal_set]``(
-      asio::io_context & io_context,
-      int signal_number_1);
-  ``  [''''&raquo;''' [link asio.reference.signal_set.signal_set.overload2 more...]]``
-
-
-Construct a signal set and add two signals. 
-
-
-  ``[link asio.reference.signal_set.signal_set.overload3 signal_set]``(
-      asio::io_context & io_context,
-      int signal_number_1,
-      int signal_number_2);
-  ``  [''''&raquo;''' [link asio.reference.signal_set.signal_set.overload3 more...]]``
-
-
-Construct a signal set and add three signals. 
-
-
-  ``[link asio.reference.signal_set.signal_set.overload4 signal_set]``(
-      asio::io_context & io_context,
-      int signal_number_1,
-      int signal_number_2,
-      int signal_number_3);
-  ``  [''''&raquo;''' [link asio.reference.signal_set.signal_set.overload4 more...]]``
-
-
-[section:overload1 signal_set::signal_set (1 of 4 overloads)]
-
-
-Construct a signal set without adding any signals. 
-
-
-  signal_set(
-      asio::io_context & io_context);
-
-
-This constructor creates a signal set without registering for any signals.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[io_context][The [link asio.reference.io_context `io_context`] object that the signal set will use to dispatch handlers for any asynchronous operations performed on the set. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 signal_set::signal_set (2 of 4 overloads)]
-
-
-Construct a signal set and add one signal. 
-
-
-  signal_set(
-      asio::io_context & io_context,
-      int signal_number_1);
-
-
-This constructor creates a signal set and registers for one signal.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[io_context][The [link asio.reference.io_context `io_context`] object that the signal set will use to dispatch handlers for any asynchronous operations performed on the set.]]
-
-[[signal_number_1][The signal number to be added.]]
-
-]
-
-
-[heading Remarks]
-      
-This constructor is equivalent to performing: 
-
-   asio::signal_set signals(io_context);
-   signals.add(signal_number_1); 
-
-
-
-
-
-
-
-[endsect]
-
-
-
-[section:overload3 signal_set::signal_set (3 of 4 overloads)]
-
-
-Construct a signal set and add two signals. 
-
-
-  signal_set(
-      asio::io_context & io_context,
-      int signal_number_1,
-      int signal_number_2);
-
-
-This constructor creates a signal set and registers for two signals.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[io_context][The [link asio.reference.io_context `io_context`] object that the signal set will use to dispatch handlers for any asynchronous operations performed on the set.]]
-
-[[signal_number_1][The first signal number to be added.]]
-
-[[signal_number_2][The second signal number to be added.]]
-
-]
-
-
-[heading Remarks]
-      
-This constructor is equivalent to performing: 
-
-   asio::signal_set signals(io_context);
-   signals.add(signal_number_1);
-   signals.add(signal_number_2); 
-
-
-
-
-
-
-
-[endsect]
-
-
-
-[section:overload4 signal_set::signal_set (4 of 4 overloads)]
-
-
-Construct a signal set and add three signals. 
-
-
-  signal_set(
-      asio::io_context & io_context,
-      int signal_number_1,
-      int signal_number_2,
-      int signal_number_3);
-
-
-This constructor creates a signal set and registers for three signals.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[io_context][The [link asio.reference.io_context `io_context`] object that the signal set will use to dispatch handlers for any asynchronous operations performed on the set.]]
-
-[[signal_number_1][The first signal number to be added.]]
-
-[[signal_number_2][The second signal number to be added.]]
-
-[[signal_number_3][The third signal number to be added.]]
-
-]
-
-
-[heading Remarks]
-      
-This constructor is equivalent to performing: 
-
-   asio::signal_set signals(io_context);
-   signals.add(signal_number_1);
-   signals.add(signal_number_2);
-   signals.add(signal_number_3); 
-
-
-
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[section:_signal_set signal_set::~signal_set]
-
-[indexterm2 asio.indexterm.signal_set._signal_set..~signal_set..signal_set] 
-Destroys the signal set. 
-
-
-  ~signal_set();
-
-
-This function destroys the signal set, cancelling any outstanding asynchronous wait operations associated with the signal set as if by calling `cancel`. 
-
-
-[endsect]
-
-
-
-[endsect]
-
 [section:socket_base socket_base]
 
 
@@ -96566,7 +103881,7 @@ Implements the SOL\_SOCKET/SO\_BROADCAST socket option.
   
 Setting the option: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::broadcast option(true);
    socket.set_option(option);
@@ -96577,7 +103892,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::broadcast option;
    socket.get_option(option);
@@ -96617,7 +103932,7 @@ Implements the FIONREAD IO control command.
   
 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::bytes_readable command(true);
    socket.io_control(command);
@@ -96657,7 +103972,7 @@ Implements the SOL\_SOCKET/SO\_DEBUG socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::debug option(true);
    socket.set_option(option);
@@ -96668,7 +103983,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::debug option;
    socket.get_option(option);
@@ -96708,7 +104023,7 @@ Implements the SOL\_SOCKET/SO\_DONTROUTE socket option.
   
 Setting the option: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::do_not_route option(true);
    socket.set_option(option);
@@ -96719,7 +104034,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::udp::socket socket(io_context); 
+   asio::ip::udp::socket socket(my_context);
    ...
    asio::socket_base::do_not_route option;
    socket.get_option(option);
@@ -96759,7 +104074,7 @@ Implements a custom socket option that determines whether or not an accept opera
   
 Setting the option: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::enable_connection_aborted option(true);
    acceptor.set_option(option);
@@ -96770,7 +104085,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::enable_connection_aborted option;
    acceptor.get_option(option);
@@ -96810,7 +104125,7 @@ Implements the SOL\_SOCKET/SO\_KEEPALIVE socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::keep_alive option(true);
    socket.set_option(option);
@@ -96821,7 +104136,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::keep_alive option;
    socket.get_option(option);
@@ -96861,7 +104176,7 @@ Implements the SOL\_SOCKET/SO\_LINGER socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::linger option(true, 30);
    socket.set_option(option);
@@ -96872,7 +104187,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::linger option;
    socket.get_option(option);
@@ -97018,7 +104333,7 @@ Implements the SOL\_SOCKET/SO\_OOBINLINE socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::out_of_band_inline option(true);
    socket.set_option(option);
@@ -97029,7 +104344,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context);
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::out_of_band_inline option;
    socket.get_option(option);
@@ -97069,7 +104384,7 @@ Implements the SOL\_SOCKET/SO\_RCVBUF socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_buffer_size option(8192);
    socket.set_option(option);
@@ -97080,7 +104395,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_buffer_size option;
    socket.get_option(option);
@@ -97120,7 +104435,7 @@ Implements the SOL\_SOCKET/SO\_RCVLOWAT socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_low_watermark option(1024);
    socket.set_option(option);
@@ -97131,7 +104446,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::receive_low_watermark option;
    socket.get_option(option);
@@ -97171,7 +104486,7 @@ Implements the SOL\_SOCKET/SO\_REUSEADDR socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::reuse_address option(true);
    acceptor.set_option(option);
@@ -97182,7 +104497,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::acceptor acceptor(io_context); 
+   asio::ip::tcp::acceptor acceptor(my_context);
    ...
    asio::socket_base::reuse_address option;
    acceptor.get_option(option);
@@ -97222,7 +104537,7 @@ Implements the SOL\_SOCKET/SO\_SNDBUF socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_buffer_size option(8192);
    socket.set_option(option);
@@ -97233,7 +104548,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_buffer_size option;
    socket.get_option(option);
@@ -97273,7 +104588,7 @@ Implements the SOL\_SOCKET/SO\_SNDLOWAT socket option.
   
 Setting the option: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_low_watermark option(1024);
    socket.set_option(option);
@@ -97284,7 +104599,7 @@ Setting the option:
 
 Getting the current option value: 
 
-   asio::ip::tcp::socket socket(io_context); 
+   asio::ip::tcp::socket socket(my_context);
    ...
    asio::socket_base::send_low_watermark option;
    socket.get_option(option);
@@ -97406,7 +104721,9 @@ Protected destructor to prevent deletion through this type.
 [indexterm1 asio.indexterm.spawn..spawn] 
 Start a new stackful coroutine. 
 
-      
+
+Start a new stackful coroutine, calling the specified handler when it completes. 
+
   template<
       typename Function>
   void ``[link asio.reference.spawn.overload1 spawn]``(
@@ -97424,6 +104741,8 @@ Start a new stackful coroutine.
       typename enable_if<!is_executor< typename decay< Handler >::type >::value &&!is_convertible< Handler &, execution_context & >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.spawn.overload2 more...]]``
 
+Start a new stackful coroutine, inheriting the execution context of another. 
+
   template<
       typename ``[link asio.reference.Handler Handler]``,
       typename Function>
@@ -97433,6 +104752,8 @@ Start a new stackful coroutine.
       const boost::coroutines::attributes & attributes = boost::coroutines::attributes());
   ``  [''''&raquo;''' [link asio.reference.spawn.overload3 more...]]``
 
+Start a new stackful coroutine that executes on a given executor. 
+
   template<
       typename Function,
       typename ``[link asio.reference.Executor1 Executor]``>
@@ -97443,6 +104764,8 @@ Start a new stackful coroutine.
       typename enable_if< is_executor< Executor >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.spawn.overload4 more...]]``
 
+Start a new stackful coroutine that executes on a given strand. 
+
   template<
       typename Function,
       typename ``[link asio.reference.Executor1 Executor]``>
@@ -97452,6 +104775,8 @@ Start a new stackful coroutine.
       const boost::coroutines::attributes & attributes = boost::coroutines::attributes());
   ``  [''''&raquo;''' [link asio.reference.spawn.overload5 more...]]``
 
+Start a new stackful coroutine that executes in the context of a strand. 
+
   template<
       typename Function>
   void ``[link asio.reference.spawn.overload6 spawn]``(
@@ -97460,6 +104785,8 @@ Start a new stackful coroutine.
       const boost::coroutines::attributes & attributes = boost::coroutines::attributes());
   ``  [''''&raquo;''' [link asio.reference.spawn.overload6 more...]]``
 
+Start a new stackful coroutine that executes on a given execution context. 
+
   template<
       typename Function,
       typename ExecutionContext>
@@ -97878,7 +105205,7 @@ This function is used to launch a new coroutine.
   [
     [[link asio.reference.ssl__context.context [*context]]]
     [Constructor. 
-
+     [hr]
      Move-construct a context from another. ]
   ]
   
@@ -98023,6 +105350,11 @@ This function is used to launch a new coroutine.
     [Disable TLS v1.2. ]
   ]
 
+  [
+    [[link asio.reference.ssl__context.no_tlsv1_3 [*no_tlsv1_3]]]
+    [Disable TLS v1.3. ]
+  ]
+
   [
     [[link asio.reference.ssl__context.single_dh_use [*single_dh_use]]]
     [Always create a new key when using tmp_dh parameters. ]
@@ -98575,6 +105907,9 @@ Different methods supported by a context.
 [indexterm2 asio.indexterm.ssl__context.method.tlsv12..tlsv12..ssl::context]
 [indexterm2 asio.indexterm.ssl__context.method.tlsv12_client..tlsv12_client..ssl::context]
 [indexterm2 asio.indexterm.ssl__context.method.tlsv12_server..tlsv12_server..ssl::context]
+[indexterm2 asio.indexterm.ssl__context.method.tlsv13..tlsv13..ssl::context]
+[indexterm2 asio.indexterm.ssl__context.method.tlsv13_client..tlsv13_client..ssl::context]
+[indexterm2 asio.indexterm.ssl__context.method.tlsv13_server..tlsv13_server..ssl::context]
 [indexterm2 asio.indexterm.ssl__context.method.tls..tls..ssl::context]
 [indexterm2 asio.indexterm.ssl__context.method.tls_client..tls_client..ssl::context]
 [indexterm2 asio.indexterm.ssl__context.method.tls_server..tls_server..ssl::context]
@@ -98672,6 +106007,21 @@ Different methods supported by a context.
     [TLS version 1.2 server. ]
   ]
 
+  [
+    [tlsv13]
+    [Generic TLS version 1.3. ]
+  ]
+
+  [
+    [tlsv13_client]
+    [TLS version 1.3 client. ]
+  ]
+
+  [
+    [tlsv13_server]
+    [TLS version 1.3 server. ]
+  ]
+
   [
     [tls]
     [Generic TLS. ]
@@ -98816,6 +106166,20 @@ Disable TLS v1.2.
 
 
 
+[section:no_tlsv1_3 ssl::context::no_tlsv1_3]
+
+[indexterm2 asio.indexterm.ssl__context.no_tlsv1_3..no_tlsv1_3..ssl::context] 
+Disable TLS v1.3. 
+
+
+  static const long no_tlsv1_3 = implementation_defined;
+
+
+
+[endsect]
+
+
+
 [section:operator_eq_ ssl::context::operator=]
 
 [indexterm2 asio.indexterm.ssl__context.operator_eq_..operator=..ssl::context] 
@@ -100675,6 +108039,11 @@ The [link asio.reference.ssl__context_base `ssl::context_base`] class is used as
     [Disable TLS v1.2. ]
   ]
 
+  [
+    [[link asio.reference.ssl__context_base.no_tlsv1_3 [*no_tlsv1_3]]]
+    [Disable TLS v1.3. ]
+  ]
+
   [
     [[link asio.reference.ssl__context_base.single_dh_use [*single_dh_use]]]
     [Always create a new key when using tmp_dh parameters. ]
@@ -100761,6 +108130,9 @@ Different methods supported by a context.
 [indexterm2 asio.indexterm.ssl__context_base.method.tlsv12..tlsv12..ssl::context_base]
 [indexterm2 asio.indexterm.ssl__context_base.method.tlsv12_client..tlsv12_client..ssl::context_base]
 [indexterm2 asio.indexterm.ssl__context_base.method.tlsv12_server..tlsv12_server..ssl::context_base]
+[indexterm2 asio.indexterm.ssl__context_base.method.tlsv13..tlsv13..ssl::context_base]
+[indexterm2 asio.indexterm.ssl__context_base.method.tlsv13_client..tlsv13_client..ssl::context_base]
+[indexterm2 asio.indexterm.ssl__context_base.method.tlsv13_server..tlsv13_server..ssl::context_base]
 [indexterm2 asio.indexterm.ssl__context_base.method.tls..tls..ssl::context_base]
 [indexterm2 asio.indexterm.ssl__context_base.method.tls_client..tls_client..ssl::context_base]
 [indexterm2 asio.indexterm.ssl__context_base.method.tls_server..tls_server..ssl::context_base]
@@ -100858,6 +108230,21 @@ Different methods supported by a context.
     [TLS version 1.2 server. ]
   ]
 
+  [
+    [tlsv13]
+    [Generic TLS version 1.3. ]
+  ]
+
+  [
+    [tlsv13_client]
+    [TLS version 1.3 client. ]
+  ]
+
+  [
+    [tlsv13_server]
+    [TLS version 1.3 server. ]
+  ]
+
   [
     [tls]
     [Generic TLS. ]
@@ -100965,6 +108352,20 @@ Disable TLS v1.2.
 
 
 
+[section:no_tlsv1_3 ssl::context_base::no_tlsv1_3]
+
+[indexterm2 asio.indexterm.ssl__context_base.no_tlsv1_3..no_tlsv1_3..ssl::context_base] 
+Disable TLS v1.3. 
+
+
+  static const long no_tlsv1_3 = implementation_defined;
+
+
+
+[endsect]
+
+
+
 [section:options ssl::context_base::options]
 
 [indexterm2 asio.indexterm.ssl__context_base.options..options..ssl::context_base] 
@@ -101111,6 +108512,8 @@ Protected destructor to prevent deletion through this type.
   enum stream_errors
 
 [indexterm2 asio.indexterm.ssl__error__stream_errors.stream_truncated..stream_truncated..ssl::error::stream_errors]
+[indexterm2 asio.indexterm.ssl__error__stream_errors.unspecified_system_error..unspecified_system_error..ssl::error::stream_errors]
+[indexterm2 asio.indexterm.ssl__error__stream_errors.unexpected_result..unexpected_result..ssl::error::stream_errors]
 
 [heading Values]
 [variablelist
@@ -101120,6 +108523,16 @@ Protected destructor to prevent deletion through this type.
     [The underlying stream closed before the ssl stream gracefully shut down. ]
   ]
 
+  [
+    [unspecified_system_error]
+    [The underlying SSL library returned a system error without providing further information. ]
+  ]
+
+  [
+    [unexpected_result]
+    [The underlying SSL library generated an unexpected result from a function call. ]
+  ]
+
 ]
 
 
@@ -101355,16 +108768,6 @@ Provides stream-oriented functionality using SSL.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.ssl__stream.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.ssl__stream.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.ssl__stream.handshake [*handshake]]]
     [Perform SSL handshaking. ]
@@ -101441,9 +108844,9 @@ The stream class template provides asynchronous and blocking stream-oriented fun
   
 To use the SSL stream template with an `ip::tcp::socket`, you would write: 
 
-   asio::io_context io_context;
+   asio::io_context my_context;
    asio::ssl::context ctx(asio::ssl::context::sslv23);
-   asio::ssl::stream<asio:ip::tcp::socket> sock(io_context, ctx);
+   asio::ssl::stream<asio:ip::tcp::socket> sock(my_context, ctx);
 
 
 
@@ -101689,7 +109092,7 @@ This function is used to asynchronously write one or more bytes of data to the s
 
 [heading Remarks]
       
-The async\_write\_some operation may not transmit all of the data to the peer. Consider using the [link asio.reference.async_write `async_write`]  function if you need to ensure that all data is written before the blocking operation completes. 
+The async\_write\_some operation may not transmit all of the data to the peer. Consider using the [link asio.reference.async_write `async_write`]  function if you need to ensure that all data is written before the asynchronous operation completes. 
 
 
 
@@ -101738,34 +109141,6 @@ A copy of the executor that stream will use to dispatch handlers.
 
 
 
-[endsect]
-
-
-
-[section:get_io_context ssl::stream::get_io_context]
-
-[indexterm2 asio.indexterm.ssl__stream.get_io_context..get_io_context..ssl::stream] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_context();
-
-
-
-[endsect]
-
-
-
-[section:get_io_service ssl::stream::get_io_service]
-
-[indexterm2 asio.indexterm.ssl__stream.get_io_service..get_io_service..ssl::stream] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_service();
-
-
-
 [endsect]
 
 
@@ -102083,7 +109458,7 @@ This function may be used to obtain the underlying implementation of the context
   
 The `native_handle()` function returns a pointer of type `SSL*` that is suitable for passing to functions such as `SSL_get_verify_result` and `SSL_get_peer_certificate:` 
 
-   asio::ssl::stream<asio:ip::tcp::socket> sock(io_context, ctx);
+   asio::ssl::stream<asio:ip::tcp::socket> sock(my_context, ctx);
 
    // ... establish connection and perform handshake ...
 
@@ -103297,25 +110672,25 @@ Typedef for a timer based on the steady clock.
   [
     [[link asio.reference.basic_waitable_timer.basic_waitable_timer [*basic_waitable_timer]]]
     [Constructor. 
-
+     [hr]
      Constructor to set a particular expiry time as an absolute time. 
-
+     [hr]
      Constructor to set a particular expiry time relative to now. 
-
+     [hr]
      Move-construct a basic_waitable_timer from another. ]
   ]
   
   [
     [[link asio.reference.basic_waitable_timer.cancel [*cancel]]]
     [Cancel any asynchronous operations that are waiting on the timer. 
-
+     [hr]
      (Deprecated: Use non-error_code overload.) Cancel any asynchronous operations that are waiting on the timer. ]
   ]
   
   [
     [[link asio.reference.basic_waitable_timer.cancel_one [*cancel_one]]]
     [Cancels one asynchronous operation that is waiting on the timer. 
-
+     [hr]
      (Deprecated: Use non-error_code overload.) Cancels one asynchronous operation that is waiting on the timer. ]
   ]
   
@@ -103327,16 +110702,16 @@ Typedef for a timer based on the steady clock.
   [
     [[link asio.reference.basic_waitable_timer.expires_at [*expires_at]]]
     [(Deprecated: Use expiry().) Get the timer's expiry time as an absolute time. 
-
+     [hr]
      Set the timer's expiry time as an absolute time. 
-
+     [hr]
      (Deprecated: Use non-error_code overload.) Set the timer's expiry time as an absolute time. ]
   ]
   
   [
     [[link asio.reference.basic_waitable_timer.expires_from_now [*expires_from_now]]]
     [(Deprecated: Use expiry().) Get the timer's expiry time relative to now. 
-
+     [hr]
      (Deprecated: Use expires_after().) Set the timer's expiry time relative to now. ]
   ]
   
@@ -103350,16 +110725,6 @@ Typedef for a timer based on the steady clock.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_waitable_timer.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_waitable_timer.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_waitable_timer.operator_eq_ [*operator=]]]
     [Move-assign a basic_waitable_timer from another. ]
@@ -103401,7 +110766,7 @@ This waitable timer functionality is for use with the C++11 standard library's `
 Performing a blocking wait (C++11): 
 
    // Construct a timer without setting an expiry time.
-   asio::steady_timer timer(io_context);
+   asio::steady_timer timer(my_context);
 
    // Set an expiry time relative to now.
    timer.expires_after(std::chrono::seconds(5));
@@ -103426,7 +110791,7 @@ Performing an asynchronous wait (C++11):
    ...
 
    // Construct a timer with an absolute expiry time.
-   asio::steady_timer timer(io_context,
+   asio::steady_timer timer(my_context,
        std::chrono::steady_clock::now() + std::chrono::seconds(60));
 
    // Start an asynchronous wait.
@@ -103555,11 +110920,11 @@ Provides serialised function invocation for any executor type.
   [
     [[link asio.reference.strand.operator_eq_ [*operator=]]]
     [Assignment operator. 
-
+     [hr]
      Converting assignment operator. 
-
+     [hr]
      Move assignment operator. 
-
+     [hr]
      Converting move assignment operator. ]
   ]
   
@@ -103576,15 +110941,15 @@ Provides serialised function invocation for any executor type.
   [
     [[link asio.reference.strand.strand [*strand]]]
     [Default constructor. 
-
+     [hr]
      Construct a strand for the specified executor. 
-
+     [hr]
      Copy constructor. 
-
+     [hr]
      Converting constructor. 
-
+     [hr]
      Move constructor. 
-
+     [hr]
      Converting move constructor. ]
   ]
   
@@ -105069,9 +112434,9 @@ The [link asio.reference.system_error `system_error`] class is used to represent
   [
     [[link asio.reference.system_error.system_error [*system_error]]]
     [Construct with an error code. 
-
+     [hr]
      Construct with an error code and context. 
-
+     [hr]
      Copy constructor. ]
   ]
   
@@ -105574,25 +112939,25 @@ Typedef for a timer based on the system clock.
   [
     [[link asio.reference.basic_waitable_timer.basic_waitable_timer [*basic_waitable_timer]]]
     [Constructor. 
-
+     [hr]
      Constructor to set a particular expiry time as an absolute time. 
-
+     [hr]
      Constructor to set a particular expiry time relative to now. 
-
+     [hr]
      Move-construct a basic_waitable_timer from another. ]
   ]
   
   [
     [[link asio.reference.basic_waitable_timer.cancel [*cancel]]]
     [Cancel any asynchronous operations that are waiting on the timer. 
-
+     [hr]
      (Deprecated: Use non-error_code overload.) Cancel any asynchronous operations that are waiting on the timer. ]
   ]
   
   [
     [[link asio.reference.basic_waitable_timer.cancel_one [*cancel_one]]]
     [Cancels one asynchronous operation that is waiting on the timer. 
-
+     [hr]
      (Deprecated: Use non-error_code overload.) Cancels one asynchronous operation that is waiting on the timer. ]
   ]
   
@@ -105604,16 +112969,16 @@ Typedef for a timer based on the system clock.
   [
     [[link asio.reference.basic_waitable_timer.expires_at [*expires_at]]]
     [(Deprecated: Use expiry().) Get the timer's expiry time as an absolute time. 
-
+     [hr]
      Set the timer's expiry time as an absolute time. 
-
+     [hr]
      (Deprecated: Use non-error_code overload.) Set the timer's expiry time as an absolute time. ]
   ]
   
   [
     [[link asio.reference.basic_waitable_timer.expires_from_now [*expires_from_now]]]
     [(Deprecated: Use expiry().) Get the timer's expiry time relative to now. 
-
+     [hr]
      (Deprecated: Use expires_after().) Set the timer's expiry time relative to now. ]
   ]
   
@@ -105627,16 +112992,6 @@ Typedef for a timer based on the system clock.
     [Get the executor associated with the object. ]
   ]
   
-  [
-    [[link asio.reference.basic_waitable_timer.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.basic_waitable_timer.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
   [
     [[link asio.reference.basic_waitable_timer.operator_eq_ [*operator=]]]
     [Move-assign a basic_waitable_timer from another. ]
@@ -105678,7 +113033,7 @@ This waitable timer functionality is for use with the C++11 standard library's `
 Performing a blocking wait (C++11): 
 
    // Construct a timer without setting an expiry time.
-   asio::steady_timer timer(io_context);
+   asio::steady_timer timer(my_context);
 
    // Set an expiry time relative to now.
    timer.expires_after(std::chrono::seconds(5));
@@ -105703,7 +113058,7 @@ Performing an asynchronous wait (C++11):
    ...
 
    // Construct a timer with an absolute expiry time.
-   asio::steady_timer timer(io_context,
+   asio::steady_timer timer(my_context,
        std::chrono::steady_clock::now() + std::chrono::seconds(60));
 
    // Start an asynchronous wait.
@@ -105771,6 +113126,67 @@ This typedef uses the C++11 `<chrono>` standard library facility, if available.
 [endsect]
 
 
+
+[section:this_coro__executor this_coro::executor]
+
+[indexterm1 asio.indexterm.this_coro__executor..this_coro::executor] 
+Awaitable object that returns the executor of the current coroutine. 
+
+
+  constexpr executor_t executor;
+
+
+[heading Requirements]
+
+['Header: ][^asio/this_coro.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+[section:this_coro__executor_t this_coro::executor_t]
+
+
+Awaitable type that returns the executor of the current coroutine. 
+
+
+  struct executor_t
+
+
+[heading Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.this_coro__executor_t.executor_t [*executor_t]]]
+    []
+  ]
+  
+]
+
+[heading Requirements]
+
+['Header: ][^asio/this_coro.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[section:executor_t this_coro::executor_t::executor_t]
+
+[indexterm2 asio.indexterm.this_coro__executor_t.executor_t..executor_t..this_coro::executor_t] 
+
+  constexpr executor_t();
+
+
+
+[endsect]
+
+
+
+[endsect]
+
 [section:thread thread]
 
 
@@ -105963,7 +113379,7 @@ A simple fixed-size thread pool.
   [
     [[link asio.reference.thread_pool.thread_pool [*thread_pool]]]
     [Constructs a pool with an automatically determined number of threads. 
-
+     [hr]
      Constructs a pool with a specified number of threads. ]
   ]
   
@@ -106023,7 +113439,7 @@ The thread pool class is an execution context where functions are permitted to r
   
 
 
-To submit functions to the [link asio.reference.io_context `io_context`], use the [link asio.reference.dispatch `dispatch`] , [link asio.reference.post `post`]  or [link asio.reference.defer `defer`]  free functions.
+To submit functions to the [link asio.reference.thread_pool `thread_pool`], use the [link asio.reference.dispatch `dispatch`] , [link asio.reference.post `post`]  or [link asio.reference.defer `defer`]  free functions.
 
 For example:
 
@@ -107244,6 +114660,86 @@ Reading until a buffer is full or contains exactly 64 bytes:
 
 
 
+[section:use_awaitable use_awaitable]
+
+[indexterm1 asio.indexterm.use_awaitable..use_awaitable] 
+A completion token object that represents the currently executing coroutine. 
+
+
+  constexpr use_awaitable_t use_awaitable;
+
+
+See the documentation for [link asio.reference.use_awaitable_t `use_awaitable_t`] for a usage example. 
+
+[heading Requirements]
+
+['Header: ][^asio/use_awaitable.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+[section:use_awaitable_t use_awaitable_t]
+
+
+A completion token that represents the currently executing coroutine. 
+
+
+  template<
+      typename ``[link asio.reference.Executor1 Executor]`` = executor>
+  struct use_awaitable_t
+
+
+[heading Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.use_awaitable_t.use_awaitable_t [*use_awaitable_t]]]
+    []
+  ]
+  
+]
+
+The `use_awaitable_t` class, with its value `use_awaitable`, is used to represent the currently executing coroutine. This completion token may be passed as a handler to an asynchronous operation. For example:
+
+
+
+   awaitable<void> my_coroutine()
+   {
+     std::size_t n = co_await my_socket.async_read_some(buffer, use_awaitable);
+     ...
+   } 
+
+
+
+
+When used with co\_await, the initiating function (`async_read_some` in the above example) suspends the current coroutine. The coroutine is resumed when the asynchronous operation completes, and the result of the operation is returned. 
+
+[heading Requirements]
+
+['Header: ][^asio/use_awaitable.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[section:use_awaitable_t use_awaitable_t::use_awaitable_t]
+
+[indexterm2 asio.indexterm.use_awaitable_t.use_awaitable_t..use_awaitable_t..use_awaitable_t] 
+
+  constexpr use_awaitable_t();
+
+
+
+[endsect]
+
+
+
+[endsect]
+
+
 [section:use_future use_future]
 
 [indexterm1 asio.indexterm.use_future..use_future] 
@@ -107316,7 +114812,7 @@ Class used to specify that an asynchronous operation should return a future.
   [
     [[link asio.reference.use_future_t.use_future_t [*use_future_t]]]
     [Construct using default-constructed allocator. 
-
+     [hr]
      Construct using specified allocator. ]
   ]
   
@@ -107493,103 +114989,6 @@ Construct using specified allocator.
 [endsect]
 
 
-[endsect]
-
-
-[endsect]
-
-[section:use_service use_service]
-
-[indexterm1 asio.indexterm.use_service..use_service] 
-    
-  template<
-      typename ``[link asio.reference.Service Service]``>
-  Service & ``[link asio.reference.use_service.overload1 use_service]``(
-      execution_context & e);
-  ``  [''''&raquo;''' [link asio.reference.use_service.overload1 more...]]``
-
-  template<
-      typename ``[link asio.reference.Service Service]``>
-  Service & ``[link asio.reference.use_service.overload2 use_service]``(
-      io_context & ioc);
-  ``  [''''&raquo;''' [link asio.reference.use_service.overload2 more...]]``
-
-[heading Requirements]
-
-['Header: ][^asio/impl/execution_context.hpp]
-
-['Convenience header: ][^asio.hpp]
-
-
-[section:overload1 use_service (1 of 2 overloads)]
-
-
-
-  template<
-      typename ``[link asio.reference.Service Service]``>
-  Service & use_service(
-      execution_context & e);
-
-
-This function is used to locate a service object that corresponds to the given service type. If there is no existing implementation of the service, then the [link asio.reference.execution_context `execution_context`] will create a new instance of the service.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[e][The [link asio.reference.execution_context `execution_context`] object that owns the service.]]
-
-]
-
-
-[heading Return Value]
-      
-The service interface implementing the specified service type. Ownership of the service interface is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 use_service (2 of 2 overloads)]
-
-
-
-  template<
-      typename ``[link asio.reference.Service Service]``>
-  Service & use_service(
-      io_context & ioc);
-
-
-This function is used to locate a service object that corresponds to the given service type. If there is no existing implementation of the service, then the [link asio.reference.io_context `io_context`] will create a new instance of the service.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[ioc][The [link asio.reference.io_context `io_context`] object that owns the service.]]
-
-]
-
-
-[heading Return Value]
-      
-The service interface implementing the specified service type. Ownership of the service interface is not transferred to the caller.
-
-
-[heading Remarks]
-      
-This overload is preserved for backwards compatibility with services that inherit from [link asio.reference.io_context__service `io_context::service`]. 
-
-
-
-
 [endsect]
 
 
@@ -107709,13 +115108,15 @@ Convert a clock duration into a duration used for waiting.
 
 [endsect]
 
-[section:windows__object_handle windows::object_handle]
+[section:windows__basic_object_handle windows::basic_object_handle]
 
 
 Provides object-oriented handle functionality. 
 
 
-  class object_handle
+  template<
+      typename ``[link asio.reference.Executor1 Executor]`` = executor>
+  class basic_object_handle
 
 
 [heading Types]
@@ -107724,21 +115125,21 @@ Provides object-oriented handle functionality.
 
   [
 
-    [[link asio.reference.windows__object_handle.executor_type [*executor_type]]]
+    [[link asio.reference.windows__basic_object_handle.executor_type [*executor_type]]]
     [The type of the executor associated with the object. ]
   
   ]
 
   [
 
-    [[link asio.reference.windows__object_handle.lowest_layer_type [*lowest_layer_type]]]
-    [An object_handle is always the lowest layer. ]
+    [[link asio.reference.windows__basic_object_handle.lowest_layer_type [*lowest_layer_type]]]
+    [An object handle is always the lowest layer. ]
   
   ]
 
   [
 
-    [[link asio.reference.windows__object_handle.native_handle_type [*native_handle_type]]]
+    [[link asio.reference.windows__basic_object_handle.native_handle_type [*native_handle_type]]]
     [The native representation of a handle. ]
   
   ]
@@ -107750,79 +115151,69 @@ Provides object-oriented handle functionality.
   [[Name][Description]]
 
   [
-    [[link asio.reference.windows__object_handle.assign [*assign]]]
+    [[link asio.reference.windows__basic_object_handle.assign [*assign]]]
     [Assign an existing native handle to the handle. ]
   ]
   
   [
-    [[link asio.reference.windows__object_handle.async_wait [*async_wait]]]
+    [[link asio.reference.windows__basic_object_handle.async_wait [*async_wait]]]
     [Start an asynchronous wait on the object handle. ]
   ]
   
   [
-    [[link asio.reference.windows__object_handle.cancel [*cancel]]]
+    [[link asio.reference.windows__basic_object_handle.basic_object_handle [*basic_object_handle]]]
+    [Construct an object handle without opening it. 
+     [hr]
+     Construct an object handle on an existing native handle. 
+     [hr]
+     Move-construct an object handle from another. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_object_handle.cancel [*cancel]]]
     [Cancel all asynchronous operations associated with the handle. ]
   ]
   
   [
-    [[link asio.reference.windows__object_handle.close [*close]]]
+    [[link asio.reference.windows__basic_object_handle.close [*close]]]
     [Close the handle. ]
   ]
   
   [
-    [[link asio.reference.windows__object_handle.get_executor [*get_executor]]]
+    [[link asio.reference.windows__basic_object_handle.get_executor [*get_executor]]]
     [Get the executor associated with the object. ]
   ]
   
   [
-    [[link asio.reference.windows__object_handle.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__object_handle.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__object_handle.is_open [*is_open]]]
+    [[link asio.reference.windows__basic_object_handle.is_open [*is_open]]]
     [Determine whether the handle is open. ]
   ]
   
   [
-    [[link asio.reference.windows__object_handle.lowest_layer [*lowest_layer]]]
+    [[link asio.reference.windows__basic_object_handle.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
   [
-    [[link asio.reference.windows__object_handle.native_handle [*native_handle]]]
+    [[link asio.reference.windows__basic_object_handle.native_handle [*native_handle]]]
     [Get the native handle representation. ]
   ]
   
   [
-    [[link asio.reference.windows__object_handle.object_handle [*object_handle]]]
-    [Construct an object_handle without opening it. 
-
-     Construct an object_handle on an existing native handle. 
-
-     Move-construct an object_handle from another. ]
+    [[link asio.reference.windows__basic_object_handle.operator_eq_ [*operator=]]]
+    [Move-assign an object handle from another. ]
   ]
   
   [
-    [[link asio.reference.windows__object_handle.operator_eq_ [*operator=]]]
-    [Move-assign an object_handle from another. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__object_handle.wait [*wait]]]
+    [[link asio.reference.windows__basic_object_handle.wait [*wait]]]
     [Perform a blocking wait on the object handle. ]
   ]
   
 ]
 
-The [link asio.reference.windows__object_handle `windows::object_handle`] class provides asynchronous and blocking object-oriented handle functionality.
+The [link asio.reference.windows__basic_object_handle `windows::basic_object_handle`] class provides asynchronous and blocking object-oriented handle functionality.
 
 
 [heading Thread Safety]
@@ -107835,27 +115226,27 @@ The [link asio.reference.windows__object_handle `windows::object_handle`] class
 
 [heading Requirements]
 
-['Header: ][^asio/windows/object_handle.hpp]
+['Header: ][^asio/windows/basic_object_handle.hpp]
 
 ['Convenience header: ][^asio.hpp]
 
-[section:assign windows::object_handle::assign]
+[section:assign windows::basic_object_handle::assign]
 
-[indexterm2 asio.indexterm.windows__object_handle.assign..assign..windows::object_handle] 
+[indexterm2 asio.indexterm.windows__basic_object_handle.assign..assign..windows::basic_object_handle] 
 Assign an existing native handle to the handle. 
 
 
-  void ``[link asio.reference.windows__object_handle.assign.overload1 assign]``(
+  void ``[link asio.reference.windows__basic_object_handle.assign.overload1 assign]``(
       const native_handle_type & handle);
-  ``  [''''&raquo;''' [link asio.reference.windows__object_handle.assign.overload1 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_object_handle.assign.overload1 more...]]``
 
-  void ``[link asio.reference.windows__object_handle.assign.overload2 assign]``(
+  void ``[link asio.reference.windows__basic_object_handle.assign.overload2 assign]``(
       const native_handle_type & handle,
       asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.windows__object_handle.assign.overload2 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_object_handle.assign.overload2 more...]]``
 
 
-[section:overload1 windows::object_handle::assign (1 of 2 overloads)]
+[section:overload1 windows::basic_object_handle::assign (1 of 2 overloads)]
 
 
 Assign an existing native handle to the handle. 
@@ -107870,7 +115261,7 @@ Assign an existing native handle to the handle.
 
 
 
-[section:overload2 windows::object_handle::assign (2 of 2 overloads)]
+[section:overload2 windows::basic_object_handle::assign (2 of 2 overloads)]
 
 
 Assign an existing native handle to the handle. 
@@ -107888,9 +115279,9 @@ Assign an existing native handle to the handle.
 [endsect]
 
 
-[section:async_wait windows::object_handle::async_wait]
+[section:async_wait windows::basic_object_handle::async_wait]
 
-[indexterm2 asio.indexterm.windows__object_handle.async_wait..async_wait..windows::object_handle] 
+[indexterm2 asio.indexterm.windows__basic_object_handle.async_wait..async_wait..windows::basic_object_handle] 
 Start an asynchronous wait on the object handle. 
 
 
@@ -107914,7 +115305,7 @@ This function is be used to initiate an asynchronous wait against the object han
      const asio::error_code& error // Result of operation.
    ); 
 ``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`. ]]
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`]. ]]
 
 ]
 
@@ -107924,21 +115315,247 @@ Regardless of whether the asynchronous operation completes immediately or not, t
 [endsect]
 
 
-[section:cancel windows::object_handle::cancel]
+[section:basic_object_handle windows::basic_object_handle::basic_object_handle]
 
-[indexterm2 asio.indexterm.windows__object_handle.cancel..cancel..windows::object_handle] 
+[indexterm2 asio.indexterm.windows__basic_object_handle.basic_object_handle..basic_object_handle..windows::basic_object_handle] 
+Construct an object handle without opening it. 
+
+
+  explicit ``[link asio.reference.windows__basic_object_handle.basic_object_handle.overload1 basic_object_handle]``(
+      const executor_type & ex);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_object_handle.basic_object_handle.overload1 more...]]``
+
+  template<
+      typename ExecutionContext>
+  explicit ``[link asio.reference.windows__basic_object_handle.basic_object_handle.overload2 basic_object_handle]``(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value, basic_object_handle >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_object_handle.basic_object_handle.overload2 more...]]``
+
+
+Construct an object handle on an existing native handle. 
+
+
+  ``[link asio.reference.windows__basic_object_handle.basic_object_handle.overload3 basic_object_handle]``(
+      const executor_type & ex,
+      const native_handle_type & native_handle);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_object_handle.basic_object_handle.overload3 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.windows__basic_object_handle.basic_object_handle.overload4 basic_object_handle]``(
+      ExecutionContext & context,
+      const native_handle_type & native_handle,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_object_handle.basic_object_handle.overload4 more...]]``
+
+
+Move-construct an object handle from another. 
+
+
+  ``[link asio.reference.windows__basic_object_handle.basic_object_handle.overload5 basic_object_handle]``(
+      basic_object_handle && other);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_object_handle.basic_object_handle.overload5 more...]]``
+
+
+[section:overload1 windows::basic_object_handle::basic_object_handle (1 of 5 overloads)]
+
+
+Construct an object handle without opening it. 
+
+
+  basic_object_handle(
+      const executor_type & ex);
+
+
+This constructor creates an object handle without opening it.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ex][The I/O executor that the object handle will use, by default, to dispatch handlers for any asynchronous operations performed on the object handle. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 windows::basic_object_handle::basic_object_handle (2 of 5 overloads)]
+
+
+Construct an object handle without opening it. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_object_handle(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value, basic_object_handle >::type *  = 0);
+
+
+This constructor creates an object handle without opening it.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the object handle will use, by default, to dispatch handlers for any asynchronous operations performed on the object handle. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload3 windows::basic_object_handle::basic_object_handle (3 of 5 overloads)]
+
+
+Construct an object handle on an existing native handle. 
+
+
+  basic_object_handle(
+      const executor_type & ex,
+      const native_handle_type & native_handle);
+
+
+This constructor creates an object handle object to hold an existing native handle.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ex][The I/O executor that the object handle will use, by default, to dispatch handlers for any asynchronous operations performed on the object handle.]]
+
+[[native_handle][The new underlying handle implementation.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload4 windows::basic_object_handle::basic_object_handle (4 of 5 overloads)]
+
+
+Construct an object handle on an existing native handle. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_object_handle(
+      ExecutionContext & context,
+      const native_handle_type & native_handle,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates an object handle object to hold an existing native handle.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the object handle will use, by default, to dispatch handlers for any asynchronous operations performed on the object handle.]]
+
+[[native_handle][The new underlying handle implementation.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload5 windows::basic_object_handle::basic_object_handle (5 of 5 overloads)]
+
+
+Move-construct an object handle from another. 
+
+
+  basic_object_handle(
+      basic_object_handle && other);
+
+
+This constructor moves an object handle from one object to another.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[other][The other object handle object from which the move will occur.]]
+
+]
+
+
+[heading Remarks]
+      
+Following the move, the moved-from object is in the same state as if constructed using the `basic_object_handle(const executor_type&)` constructor. 
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+[section:cancel windows::basic_object_handle::cancel]
+
+[indexterm2 asio.indexterm.windows__basic_object_handle.cancel..cancel..windows::basic_object_handle] 
 Cancel all asynchronous operations associated with the handle. 
 
 
-  void ``[link asio.reference.windows__object_handle.cancel.overload1 cancel]``();
-  ``  [''''&raquo;''' [link asio.reference.windows__object_handle.cancel.overload1 more...]]``
+  void ``[link asio.reference.windows__basic_object_handle.cancel.overload1 cancel]``();
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_object_handle.cancel.overload1 more...]]``
 
-  void ``[link asio.reference.windows__object_handle.cancel.overload2 cancel]``(
+  void ``[link asio.reference.windows__basic_object_handle.cancel.overload2 cancel]``(
       asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.windows__object_handle.cancel.overload2 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_object_handle.cancel.overload2 more...]]``
 
 
-[section:overload1 windows::object_handle::cancel (1 of 2 overloads)]
+[section:overload1 windows::basic_object_handle::cancel (1 of 2 overloads)]
 
 
 Cancel all asynchronous operations associated with the handle. 
@@ -107966,7 +115583,7 @@ This function causes all outstanding asynchronous read or write operations to fi
 
 
 
-[section:overload2 windows::object_handle::cancel (2 of 2 overloads)]
+[section:overload2 windows::basic_object_handle::cancel (2 of 2 overloads)]
 
 
 Cancel all asynchronous operations associated with the handle. 
@@ -107996,21 +115613,21 @@ This function causes all outstanding asynchronous read or write operations to fi
 
 [endsect]
 
-[section:close windows::object_handle::close]
+[section:close windows::basic_object_handle::close]
 
-[indexterm2 asio.indexterm.windows__object_handle.close..close..windows::object_handle] 
+[indexterm2 asio.indexterm.windows__basic_object_handle.close..close..windows::basic_object_handle] 
 Close the handle. 
 
 
-  void ``[link asio.reference.windows__object_handle.close.overload1 close]``();
-  ``  [''''&raquo;''' [link asio.reference.windows__object_handle.close.overload1 more...]]``
+  void ``[link asio.reference.windows__basic_object_handle.close.overload1 close]``();
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_object_handle.close.overload1 more...]]``
 
-  void ``[link asio.reference.windows__object_handle.close.overload2 close]``(
+  void ``[link asio.reference.windows__basic_object_handle.close.overload2 close]``(
       asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.windows__object_handle.close.overload2 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_object_handle.close.overload2 more...]]``
 
 
-[section:overload1 windows::object_handle::close (1 of 2 overloads)]
+[section:overload1 windows::basic_object_handle::close (1 of 2 overloads)]
 
 
 Close the handle. 
@@ -108038,7 +115655,7 @@ This function is used to close the handle. Any asynchronous read or write operat
 
 
 
-[section:overload2 windows::object_handle::close (2 of 2 overloads)]
+[section:overload2 windows::basic_object_handle::close (2 of 2 overloads)]
 
 
 Close the handle. 
@@ -108069,76 +115686,19 @@ This function is used to close the handle. Any asynchronous read or write operat
 [endsect]
 
 
-[section:executor_type windows::object_handle::executor_type]
+[section:executor_type windows::basic_object_handle::executor_type]
 
-[indexterm2 asio.indexterm.windows__object_handle.executor_type..executor_type..windows::object_handle] 
+[indexterm2 asio.indexterm.windows__basic_object_handle.executor_type..executor_type..windows::basic_object_handle] 
 The type of the executor associated with the object. 
 
 
-  typedef io_context::executor_type executor_type;
+  typedef Executor executor_type;
 
 
-[heading Member Functions]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.context [*context]]]
-    [Obtain the underlying execution context. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.defer [*defer]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.dispatch [*dispatch]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_finished [*on_work_finished]]]
-    [Inform the io_context that some work is no longer outstanding. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_started [*on_work_started]]]
-    [Inform the io_context that it has some outstanding work to do. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.post [*post]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.running_in_this_thread [*running_in_this_thread]]]
-    [Determine whether the io_context is running in the current thread. ]
-  ]
-  
-]
-
-[heading Friends]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.operator_not__eq_ [*operator!=]]]
-    [Compare two executors for inequality. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.operator_eq__eq_ [*operator==]]]
-    [Compare two executors for equality. ]
-  ]
-  
-]
-
 
 [heading Requirements]
 
-['Header: ][^asio/windows/object_handle.hpp]
+['Header: ][^asio/windows/basic_object_handle.hpp]
 
 ['Convenience header: ][^asio.hpp]
 
@@ -108147,9 +115707,9 @@ The type of the executor associated with the object.
 
 
 
-[section:get_executor windows::object_handle::get_executor]
+[section:get_executor windows::basic_object_handle::get_executor]
 
-[indexterm2 asio.indexterm.windows__object_handle.get_executor..get_executor..windows::object_handle] 
+[indexterm2 asio.indexterm.windows__basic_object_handle.get_executor..get_executor..windows::basic_object_handle] 
 Get the executor associated with the object. 
 
 
@@ -108161,55 +115721,9 @@ Get the executor associated with the object.
 
 
 
-[section:get_io_context windows::object_handle::get_io_context]
+[section:is_open windows::basic_object_handle::is_open]
 
-[indexterm2 asio.indexterm.windows__object_handle.get_io_context..get_io_context..windows::object_handle] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_context();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
-[section:get_io_service windows::object_handle::get_io_service]
-
-[indexterm2 asio.indexterm.windows__object_handle.get_io_service..get_io_service..windows::object_handle] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_service();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
-[section:is_open windows::object_handle::is_open]
-
-[indexterm2 asio.indexterm.windows__object_handle.is_open..is_open..windows::object_handle] 
+[indexterm2 asio.indexterm.windows__basic_object_handle.is_open..is_open..windows::basic_object_handle] 
 Determine whether the handle is open. 
 
 
@@ -108220,24 +115734,24 @@ Determine whether the handle is open.
 [endsect]
 
 
-[section:lowest_layer windows::object_handle::lowest_layer]
+[section:lowest_layer windows::basic_object_handle::lowest_layer]
 
-[indexterm2 asio.indexterm.windows__object_handle.lowest_layer..lowest_layer..windows::object_handle] 
+[indexterm2 asio.indexterm.windows__basic_object_handle.lowest_layer..lowest_layer..windows::basic_object_handle] 
 Get a reference to the lowest layer. 
 
 
-  lowest_layer_type & ``[link asio.reference.windows__object_handle.lowest_layer.overload1 lowest_layer]``();
-  ``  [''''&raquo;''' [link asio.reference.windows__object_handle.lowest_layer.overload1 more...]]``
+  lowest_layer_type & ``[link asio.reference.windows__basic_object_handle.lowest_layer.overload1 lowest_layer]``();
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_object_handle.lowest_layer.overload1 more...]]``
 
 
 Get a const reference to the lowest layer. 
 
 
-  const lowest_layer_type & ``[link asio.reference.windows__object_handle.lowest_layer.overload2 lowest_layer]``() const;
-  ``  [''''&raquo;''' [link asio.reference.windows__object_handle.lowest_layer.overload2 more...]]``
+  const lowest_layer_type & ``[link asio.reference.windows__basic_object_handle.lowest_layer.overload2 lowest_layer]``() const;
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_object_handle.lowest_layer.overload2 more...]]``
 
 
-[section:overload1 windows::object_handle::lowest_layer (1 of 2 overloads)]
+[section:overload1 windows::basic_object_handle::lowest_layer (1 of 2 overloads)]
 
 
 Get a reference to the lowest layer. 
@@ -108246,7 +115760,7 @@ Get a reference to the lowest layer.
   lowest_layer_type & lowest_layer();
 
 
-This function returns a reference to the lowest layer in a stack of layers. Since an [link asio.reference.windows__object_handle `windows::object_handle`] cannot contain any further layers, it simply returns a reference to itself.
+This function returns a reference to the lowest layer in a stack of layers. Since an object handle cannot contain any further layers, it simply returns a reference to itself.
 
 
 [heading Return Value]
@@ -108260,7 +115774,7 @@ A reference to the lowest layer in the stack of layers. Ownership is not transfe
 
 
 
-[section:overload2 windows::object_handle::lowest_layer (2 of 2 overloads)]
+[section:overload2 windows::basic_object_handle::lowest_layer (2 of 2 overloads)]
 
 
 Get a const reference to the lowest layer. 
@@ -108269,7 +115783,7 @@ Get a const reference to the lowest layer.
   const lowest_layer_type & lowest_layer() const;
 
 
-This function returns a const reference to the lowest layer in a stack of layers. Since an [link asio.reference.windows__object_handle `windows::object_handle`] cannot contain any further layers, it simply returns a reference to itself.
+This function returns a const reference to the lowest layer in a stack of layers. Since an object handle cannot contain any further layers, it simply returns a reference to itself.
 
 
 [heading Return Value]
@@ -108285,13 +115799,13 @@ A const reference to the lowest layer in the stack of layers. Ownership is not t
 [endsect]
 
 
-[section:lowest_layer_type windows::object_handle::lowest_layer_type]
+[section:lowest_layer_type windows::basic_object_handle::lowest_layer_type]
 
-[indexterm2 asio.indexterm.windows__object_handle.lowest_layer_type..lowest_layer_type..windows::object_handle] 
-An [link asio.reference.windows__object_handle `windows::object_handle`] is always the lowest layer. 
+[indexterm2 asio.indexterm.windows__basic_object_handle.lowest_layer_type..lowest_layer_type..windows::basic_object_handle] 
+An object handle is always the lowest layer. 
 
 
-  typedef object_handle lowest_layer_type;
+  typedef basic_object_handle lowest_layer_type;
 
 
 [heading Types]
@@ -108300,21 +115814,21 @@ An [link asio.reference.windows__object_handle `windows::object_handle`] is alwa
 
   [
 
-    [[link asio.reference.windows__object_handle.executor_type [*executor_type]]]
+    [[link asio.reference.windows__basic_object_handle.executor_type [*executor_type]]]
     [The type of the executor associated with the object. ]
   
   ]
 
   [
 
-    [[link asio.reference.windows__object_handle.lowest_layer_type [*lowest_layer_type]]]
-    [An object_handle is always the lowest layer. ]
+    [[link asio.reference.windows__basic_object_handle.lowest_layer_type [*lowest_layer_type]]]
+    [An object handle is always the lowest layer. ]
   
   ]
 
   [
 
-    [[link asio.reference.windows__object_handle.native_handle_type [*native_handle_type]]]
+    [[link asio.reference.windows__basic_object_handle.native_handle_type [*native_handle_type]]]
     [The native representation of a handle. ]
   
   ]
@@ -108326,79 +115840,69 @@ An [link asio.reference.windows__object_handle `windows::object_handle`] is alwa
   [[Name][Description]]
 
   [
-    [[link asio.reference.windows__object_handle.assign [*assign]]]
+    [[link asio.reference.windows__basic_object_handle.assign [*assign]]]
     [Assign an existing native handle to the handle. ]
   ]
   
   [
-    [[link asio.reference.windows__object_handle.async_wait [*async_wait]]]
+    [[link asio.reference.windows__basic_object_handle.async_wait [*async_wait]]]
     [Start an asynchronous wait on the object handle. ]
   ]
   
   [
-    [[link asio.reference.windows__object_handle.cancel [*cancel]]]
+    [[link asio.reference.windows__basic_object_handle.basic_object_handle [*basic_object_handle]]]
+    [Construct an object handle without opening it. 
+     [hr]
+     Construct an object handle on an existing native handle. 
+     [hr]
+     Move-construct an object handle from another. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_object_handle.cancel [*cancel]]]
     [Cancel all asynchronous operations associated with the handle. ]
   ]
   
   [
-    [[link asio.reference.windows__object_handle.close [*close]]]
+    [[link asio.reference.windows__basic_object_handle.close [*close]]]
     [Close the handle. ]
   ]
   
   [
-    [[link asio.reference.windows__object_handle.get_executor [*get_executor]]]
+    [[link asio.reference.windows__basic_object_handle.get_executor [*get_executor]]]
     [Get the executor associated with the object. ]
   ]
   
   [
-    [[link asio.reference.windows__object_handle.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__object_handle.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__object_handle.is_open [*is_open]]]
+    [[link asio.reference.windows__basic_object_handle.is_open [*is_open]]]
     [Determine whether the handle is open. ]
   ]
   
   [
-    [[link asio.reference.windows__object_handle.lowest_layer [*lowest_layer]]]
+    [[link asio.reference.windows__basic_object_handle.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
   [
-    [[link asio.reference.windows__object_handle.native_handle [*native_handle]]]
+    [[link asio.reference.windows__basic_object_handle.native_handle [*native_handle]]]
     [Get the native handle representation. ]
   ]
   
   [
-    [[link asio.reference.windows__object_handle.object_handle [*object_handle]]]
-    [Construct an object_handle without opening it. 
-
-     Construct an object_handle on an existing native handle. 
-
-     Move-construct an object_handle from another. ]
+    [[link asio.reference.windows__basic_object_handle.operator_eq_ [*operator=]]]
+    [Move-assign an object handle from another. ]
   ]
   
   [
-    [[link asio.reference.windows__object_handle.operator_eq_ [*operator=]]]
-    [Move-assign an object_handle from another. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__object_handle.wait [*wait]]]
+    [[link asio.reference.windows__basic_object_handle.wait [*wait]]]
     [Perform a blocking wait on the object handle. ]
   ]
   
 ]
 
-The [link asio.reference.windows__object_handle `windows::object_handle`] class provides asynchronous and blocking object-oriented handle functionality.
+The [link asio.reference.windows__basic_object_handle `windows::basic_object_handle`] class provides asynchronous and blocking object-oriented handle functionality.
 
 
 [heading Thread Safety]
@@ -108412,7 +115916,7 @@ The [link asio.reference.windows__object_handle `windows::object_handle`] class
 
 [heading Requirements]
 
-['Header: ][^asio/windows/object_handle.hpp]
+['Header: ][^asio/windows/basic_object_handle.hpp]
 
 ['Convenience header: ][^asio.hpp]
 
@@ -108421,9 +115925,9 @@ The [link asio.reference.windows__object_handle `windows::object_handle`] class
 
 
 
-[section:native_handle windows::object_handle::native_handle]
+[section:native_handle windows::basic_object_handle::native_handle]
 
-[indexterm2 asio.indexterm.windows__object_handle.native_handle..native_handle..windows::object_handle] 
+[indexterm2 asio.indexterm.windows__basic_object_handle.native_handle..native_handle..windows::basic_object_handle] 
 Get the native handle representation. 
 
 
@@ -108437,9 +115941,9 @@ This function may be used to obtain the underlying representation of the handle.
 
 
 
-[section:native_handle_type windows::object_handle::native_handle_type]
+[section:native_handle_type windows::basic_object_handle::native_handle_type]
 
-[indexterm2 asio.indexterm.windows__object_handle.native_handle_type..native_handle_type..windows::object_handle] 
+[indexterm2 asio.indexterm.windows__basic_object_handle.native_handle_type..native_handle_type..windows::basic_object_handle] 
 The native representation of a handle. 
 
 
@@ -108449,7 +115953,7 @@ The native representation of a handle.
 
 [heading Requirements]
 
-['Header: ][^asio/windows/object_handle.hpp]
+['Header: ][^asio/windows/basic_object_handle.hpp]
 
 ['Convenience header: ][^asio.hpp]
 
@@ -108457,149 +115961,15 @@ The native representation of a handle.
 [endsect]
 
 
-[section:object_handle windows::object_handle::object_handle]
 
-[indexterm2 asio.indexterm.windows__object_handle.object_handle..object_handle..windows::object_handle] 
-Construct an [link asio.reference.windows__object_handle `windows::object_handle`] without opening it. 
+[section:operator_eq_ windows::basic_object_handle::operator=]
 
+[indexterm2 asio.indexterm.windows__basic_object_handle.operator_eq_..operator=..windows::basic_object_handle] 
+Move-assign an object handle from another. 
 
-  explicit ``[link asio.reference.windows__object_handle.object_handle.overload1 object_handle]``(
-      asio::io_context & io_context);
-  ``  [''''&raquo;''' [link asio.reference.windows__object_handle.object_handle.overload1 more...]]``
 
-
-Construct an [link asio.reference.windows__object_handle `windows::object_handle`] on an existing native handle. 
-
-
-  ``[link asio.reference.windows__object_handle.object_handle.overload2 object_handle]``(
-      asio::io_context & io_context,
-      const native_handle_type & native_handle);
-  ``  [''''&raquo;''' [link asio.reference.windows__object_handle.object_handle.overload2 more...]]``
-
-
-Move-construct an [link asio.reference.windows__object_handle `windows::object_handle`] from another. 
-
-
-  ``[link asio.reference.windows__object_handle.object_handle.overload3 object_handle]``(
-      object_handle && other);
-  ``  [''''&raquo;''' [link asio.reference.windows__object_handle.object_handle.overload3 more...]]``
-
-
-[section:overload1 windows::object_handle::object_handle (1 of 3 overloads)]
-
-
-Construct an [link asio.reference.windows__object_handle `windows::object_handle`] without opening it. 
-
-
-  object_handle(
-      asio::io_context & io_context);
-
-
-This constructor creates an object handle without opening it.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[io_context][The [link asio.reference.io_context `io_context`] object that the object handle will use to dispatch handlers for any asynchronous operations performed on the handle. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 windows::object_handle::object_handle (2 of 3 overloads)]
-
-
-Construct an [link asio.reference.windows__object_handle `windows::object_handle`] on an existing native handle. 
-
-
-  object_handle(
-      asio::io_context & io_context,
-      const native_handle_type & native_handle);
-
-
-This constructor creates an object handle object to hold an existing native handle.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[io_context][The [link asio.reference.io_context `io_context`] object that the object handle will use to dispatch handlers for any asynchronous operations performed on the handle.]]
-
-[[native_handle][The new underlying handle implementation.]]
-
-]
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload3 windows::object_handle::object_handle (3 of 3 overloads)]
-
-
-Move-construct an [link asio.reference.windows__object_handle `windows::object_handle`] from another. 
-
-
-  object_handle(
-      object_handle && other);
-
-
-This constructor moves an object handle from one object to another.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[other][The other [link asio.reference.windows__object_handle `windows::object_handle`] object from which the move will occur.]]
-
-]
-
-
-[heading Remarks]
-      
-Following the move, the moved-from object is in the same state as if constructed using the `object_handle(io_context&) constructor`. 
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[section:operator_eq_ windows::object_handle::operator=]
-
-[indexterm2 asio.indexterm.windows__object_handle.operator_eq_..operator=..windows::object_handle] 
-Move-assign an [link asio.reference.windows__object_handle `windows::object_handle`] from another. 
-
-
-  object_handle & operator=(
-      object_handle && other);
+  basic_object_handle & operator=(
+      basic_object_handle && other);
 
 
 This assignment operator moves an object handle from one object to another.
@@ -108610,14 +115980,14 @@ This assignment operator moves an object handle from one object to another.
 
 [variablelist
   
-[[other][The other [link asio.reference.windows__object_handle `windows::object_handle`] object from which the move will occur.]]
+[[other][The other object handle object from which the move will occur.]]
 
 ]
 
 
 [heading Remarks]
       
-Following the move, the moved-from object is in the same state as if constructed using the `object_handle(io_context&) constructor`. 
+Following the move, the moved-from object is in the same state as if constructed using the `basic_object_handle(const executor_type&)` constructor. 
 
 
 
@@ -108625,21 +115995,21 @@ Following the move, the moved-from object is in the same state as if constructed
 [endsect]
 
 
-[section:wait windows::object_handle::wait]
+[section:wait windows::basic_object_handle::wait]
 
-[indexterm2 asio.indexterm.windows__object_handle.wait..wait..windows::object_handle] 
+[indexterm2 asio.indexterm.windows__basic_object_handle.wait..wait..windows::basic_object_handle] 
 Perform a blocking wait on the object handle. 
 
 
-  void ``[link asio.reference.windows__object_handle.wait.overload1 wait]``();
-  ``  [''''&raquo;''' [link asio.reference.windows__object_handle.wait.overload1 more...]]``
+  void ``[link asio.reference.windows__basic_object_handle.wait.overload1 wait]``();
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_object_handle.wait.overload1 more...]]``
 
-  void ``[link asio.reference.windows__object_handle.wait.overload2 wait]``(
+  void ``[link asio.reference.windows__basic_object_handle.wait.overload2 wait]``(
       asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.windows__object_handle.wait.overload2 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_object_handle.wait.overload2 more...]]``
 
 
-[section:overload1 windows::object_handle::wait (1 of 2 overloads)]
+[section:overload1 windows::basic_object_handle::wait (1 of 2 overloads)]
 
 
 Perform a blocking wait on the object handle. 
@@ -108667,7 +116037,7 @@ This function is used to wait for the object handle to be set to the signalled s
 
 
 
-[section:overload2 windows::object_handle::wait (2 of 2 overloads)]
+[section:overload2 windows::basic_object_handle::wait (2 of 2 overloads)]
 
 
 Perform a blocking wait on the object handle. 
@@ -108700,13 +116070,15 @@ This function is used to wait for the object handle to be set to the signalled s
 
 [endsect]
 
-[section:windows__overlapped_handle windows::overlapped_handle]
+[section:windows__basic_overlapped_handle windows::basic_overlapped_handle]
 
 
 Provides Windows handle functionality for objects that support overlapped I/O. 
 
 
-  class overlapped_handle
+  template<
+      typename ``[link asio.reference.Executor1 Executor]`` = executor>
+  class basic_overlapped_handle
 
 
 [heading Types]
@@ -108715,21 +116087,21 @@ Provides Windows handle functionality for objects that support overlapped I/O.
 
   [
 
-    [[link asio.reference.windows__overlapped_handle.executor_type [*executor_type]]]
+    [[link asio.reference.windows__basic_overlapped_handle.executor_type [*executor_type]]]
     [The type of the executor associated with the object. ]
   
   ]
 
   [
 
-    [[link asio.reference.windows__overlapped_handle.lowest_layer_type [*lowest_layer_type]]]
+    [[link asio.reference.windows__basic_overlapped_handle.lowest_layer_type [*lowest_layer_type]]]
     [An overlapped_handle is always the lowest layer. ]
   
   ]
 
   [
 
-    [[link asio.reference.windows__overlapped_handle.native_handle_type [*native_handle_type]]]
+    [[link asio.reference.windows__basic_overlapped_handle.native_handle_type [*native_handle_type]]]
     [The native representation of a handle. ]
   
   ]
@@ -108741,64 +116113,54 @@ Provides Windows handle functionality for objects that support overlapped I/O.
   [[Name][Description]]
 
   [
-    [[link asio.reference.windows__overlapped_handle.assign [*assign]]]
+    [[link asio.reference.windows__basic_overlapped_handle.assign [*assign]]]
     [Assign an existing native handle to the handle. ]
   ]
   
   [
-    [[link asio.reference.windows__overlapped_handle.cancel [*cancel]]]
+    [[link asio.reference.windows__basic_overlapped_handle.basic_overlapped_handle [*basic_overlapped_handle]]]
+    [Construct an overlapped handle without opening it. 
+     [hr]
+     Construct an overlapped handle on an existing native handle. 
+     [hr]
+     Move-construct an overlapped handle from another. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.cancel [*cancel]]]
     [Cancel all asynchronous operations associated with the handle. ]
   ]
   
   [
-    [[link asio.reference.windows__overlapped_handle.close [*close]]]
+    [[link asio.reference.windows__basic_overlapped_handle.close [*close]]]
     [Close the handle. ]
   ]
   
   [
-    [[link asio.reference.windows__overlapped_handle.get_executor [*get_executor]]]
+    [[link asio.reference.windows__basic_overlapped_handle.get_executor [*get_executor]]]
     [Get the executor associated with the object. ]
   ]
   
   [
-    [[link asio.reference.windows__overlapped_handle.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.is_open [*is_open]]]
+    [[link asio.reference.windows__basic_overlapped_handle.is_open [*is_open]]]
     [Determine whether the handle is open. ]
   ]
   
   [
-    [[link asio.reference.windows__overlapped_handle.lowest_layer [*lowest_layer]]]
+    [[link asio.reference.windows__basic_overlapped_handle.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
   [
-    [[link asio.reference.windows__overlapped_handle.native_handle [*native_handle]]]
+    [[link asio.reference.windows__basic_overlapped_handle.native_handle [*native_handle]]]
     [Get the native handle representation. ]
   ]
   
   [
-    [[link asio.reference.windows__overlapped_handle.operator_eq_ [*operator=]]]
-    [Move-assign an overlapped_handle from another. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.overlapped_handle [*overlapped_handle]]]
-    [Construct an overlapped_handle without opening it. 
-
-     Construct an overlapped_handle on an existing native handle. 
-
-     Move-construct an overlapped_handle from another. ]
+    [[link asio.reference.windows__basic_overlapped_handle.operator_eq_ [*operator=]]]
+    [Move-assign an overlapped handle from another. ]
   ]
   
 ]
@@ -108808,12 +116170,23 @@ Provides Windows handle functionality for objects that support overlapped I/O.
   [[Name][Description]]
 
   [
-    [[link asio.reference.windows__overlapped_handle._overlapped_handle [*~overlapped_handle]]]
+    [[link asio.reference.windows__basic_overlapped_handle._basic_overlapped_handle [*~basic_overlapped_handle]]]
     [Protected destructor to prevent deletion through this type. ]
   ]
   
 ]
 
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
 The [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`] class provides the ability to wrap a Windows handle. The underlying object referred to by the handle must support overlapped I/O.
 
 
@@ -108827,27 +116200,27 @@ The [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`
 
 [heading Requirements]
 
-['Header: ][^asio/windows/overlapped_handle.hpp]
+['Header: ][^asio/windows/basic_overlapped_handle.hpp]
 
 ['Convenience header: ][^asio.hpp]
 
-[section:assign windows::overlapped_handle::assign]
+[section:assign windows::basic_overlapped_handle::assign]
 
-[indexterm2 asio.indexterm.windows__overlapped_handle.assign..assign..windows::overlapped_handle] 
+[indexterm2 asio.indexterm.windows__basic_overlapped_handle.assign..assign..windows::basic_overlapped_handle] 
 Assign an existing native handle to the handle. 
 
 
-  void ``[link asio.reference.windows__overlapped_handle.assign.overload1 assign]``(
+  void ``[link asio.reference.windows__basic_overlapped_handle.assign.overload1 assign]``(
       const native_handle_type & handle);
-  ``  [''''&raquo;''' [link asio.reference.windows__overlapped_handle.assign.overload1 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_overlapped_handle.assign.overload1 more...]]``
 
-  void ``[link asio.reference.windows__overlapped_handle.assign.overload2 assign]``(
+  void ``[link asio.reference.windows__basic_overlapped_handle.assign.overload2 assign]``(
       const native_handle_type & handle,
       asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.windows__overlapped_handle.assign.overload2 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_overlapped_handle.assign.overload2 more...]]``
 
 
-[section:overload1 windows::overlapped_handle::assign (1 of 2 overloads)]
+[section:overload1 windows::basic_overlapped_handle::assign (1 of 2 overloads)]
 
 
 Assign an existing native handle to the handle. 
@@ -108862,7 +116235,7 @@ Assign an existing native handle to the handle.
 
 
 
-[section:overload2 windows::overlapped_handle::assign (2 of 2 overloads)]
+[section:overload2 windows::basic_overlapped_handle::assign (2 of 2 overloads)]
 
 
 Assign an existing native handle to the handle. 
@@ -108879,21 +116252,247 @@ Assign an existing native handle to the handle.
 
 [endsect]
 
-[section:cancel windows::overlapped_handle::cancel]
+[section:basic_overlapped_handle windows::basic_overlapped_handle::basic_overlapped_handle]
 
-[indexterm2 asio.indexterm.windows__overlapped_handle.cancel..cancel..windows::overlapped_handle] 
+[indexterm2 asio.indexterm.windows__basic_overlapped_handle.basic_overlapped_handle..basic_overlapped_handle..windows::basic_overlapped_handle] 
+Construct an overlapped handle without opening it. 
+
+
+  explicit ``[link asio.reference.windows__basic_overlapped_handle.basic_overlapped_handle.overload1 basic_overlapped_handle]``(
+      const executor_type & ex);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_overlapped_handle.basic_overlapped_handle.overload1 more...]]``
+
+  template<
+      typename ExecutionContext>
+  explicit ``[link asio.reference.windows__basic_overlapped_handle.basic_overlapped_handle.overload2 basic_overlapped_handle]``(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value, basic_overlapped_handle >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_overlapped_handle.basic_overlapped_handle.overload2 more...]]``
+
+
+Construct an overlapped handle on an existing native handle. 
+
+
+  ``[link asio.reference.windows__basic_overlapped_handle.basic_overlapped_handle.overload3 basic_overlapped_handle]``(
+      const executor_type & ex,
+      const native_handle_type & native_handle);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_overlapped_handle.basic_overlapped_handle.overload3 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.windows__basic_overlapped_handle.basic_overlapped_handle.overload4 basic_overlapped_handle]``(
+      ExecutionContext & context,
+      const native_handle_type & native_handle,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_overlapped_handle.basic_overlapped_handle.overload4 more...]]``
+
+
+Move-construct an overlapped handle from another. 
+
+
+  ``[link asio.reference.windows__basic_overlapped_handle.basic_overlapped_handle.overload5 basic_overlapped_handle]``(
+      basic_overlapped_handle && other);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_overlapped_handle.basic_overlapped_handle.overload5 more...]]``
+
+
+[section:overload1 windows::basic_overlapped_handle::basic_overlapped_handle (1 of 5 overloads)]
+
+
+Construct an overlapped handle without opening it. 
+
+
+  basic_overlapped_handle(
+      const executor_type & ex);
+
+
+This constructor creates an overlapped handle without opening it.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ex][The I/O executor that the overlapped handle will use, by default, to dispatch handlers for any asynchronous operations performed on the overlapped handle. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 windows::basic_overlapped_handle::basic_overlapped_handle (2 of 5 overloads)]
+
+
+Construct an overlapped handle without opening it. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_overlapped_handle(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value, basic_overlapped_handle >::type *  = 0);
+
+
+This constructor creates an overlapped handle without opening it.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the overlapped handle will use, by default, to dispatch handlers for any asynchronous operations performed on the overlapped handle. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload3 windows::basic_overlapped_handle::basic_overlapped_handle (3 of 5 overloads)]
+
+
+Construct an overlapped handle on an existing native handle. 
+
+
+  basic_overlapped_handle(
+      const executor_type & ex,
+      const native_handle_type & native_handle);
+
+
+This constructor creates an overlapped handle object to hold an existing native handle.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ex][The I/O executor that the overlapped handle will use, by default, to dispatch handlers for any asynchronous operations performed on the overlapped handle.]]
+
+[[native_handle][The new underlying handle implementation.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload4 windows::basic_overlapped_handle::basic_overlapped_handle (4 of 5 overloads)]
+
+
+Construct an overlapped handle on an existing native handle. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_overlapped_handle(
+      ExecutionContext & context,
+      const native_handle_type & native_handle,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates an overlapped handle object to hold an existing native handle.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the overlapped handle will use, by default, to dispatch handlers for any asynchronous operations performed on the overlapped handle.]]
+
+[[native_handle][The new underlying handle implementation.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload5 windows::basic_overlapped_handle::basic_overlapped_handle (5 of 5 overloads)]
+
+
+Move-construct an overlapped handle from another. 
+
+
+  basic_overlapped_handle(
+      basic_overlapped_handle && other);
+
+
+This constructor moves a handle from one object to another.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[other][The other overlapped handle object from which the move will occur.]]
+
+]
+
+
+[heading Remarks]
+      
+Following the move, the moved-from object is in the same state as if constructed using the `overlapped_handle(const executor_type&)` constructor. 
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+[section:cancel windows::basic_overlapped_handle::cancel]
+
+[indexterm2 asio.indexterm.windows__basic_overlapped_handle.cancel..cancel..windows::basic_overlapped_handle] 
 Cancel all asynchronous operations associated with the handle. 
 
 
-  void ``[link asio.reference.windows__overlapped_handle.cancel.overload1 cancel]``();
-  ``  [''''&raquo;''' [link asio.reference.windows__overlapped_handle.cancel.overload1 more...]]``
+  void ``[link asio.reference.windows__basic_overlapped_handle.cancel.overload1 cancel]``();
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_overlapped_handle.cancel.overload1 more...]]``
 
-  void ``[link asio.reference.windows__overlapped_handle.cancel.overload2 cancel]``(
+  void ``[link asio.reference.windows__basic_overlapped_handle.cancel.overload2 cancel]``(
       asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.windows__overlapped_handle.cancel.overload2 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_overlapped_handle.cancel.overload2 more...]]``
 
 
-[section:overload1 windows::overlapped_handle::cancel (1 of 2 overloads)]
+[section:overload1 windows::basic_overlapped_handle::cancel (1 of 2 overloads)]
 
 
 Cancel all asynchronous operations associated with the handle. 
@@ -108921,7 +116520,7 @@ This function causes all outstanding asynchronous read or write operations to fi
 
 
 
-[section:overload2 windows::overlapped_handle::cancel (2 of 2 overloads)]
+[section:overload2 windows::basic_overlapped_handle::cancel (2 of 2 overloads)]
 
 
 Cancel all asynchronous operations associated with the handle. 
@@ -108951,21 +116550,21 @@ This function causes all outstanding asynchronous read or write operations to fi
 
 [endsect]
 
-[section:close windows::overlapped_handle::close]
+[section:close windows::basic_overlapped_handle::close]
 
-[indexterm2 asio.indexterm.windows__overlapped_handle.close..close..windows::overlapped_handle] 
+[indexterm2 asio.indexterm.windows__basic_overlapped_handle.close..close..windows::basic_overlapped_handle] 
 Close the handle. 
 
 
-  void ``[link asio.reference.windows__overlapped_handle.close.overload1 close]``();
-  ``  [''''&raquo;''' [link asio.reference.windows__overlapped_handle.close.overload1 more...]]``
+  void ``[link asio.reference.windows__basic_overlapped_handle.close.overload1 close]``();
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_overlapped_handle.close.overload1 more...]]``
 
-  void ``[link asio.reference.windows__overlapped_handle.close.overload2 close]``(
+  void ``[link asio.reference.windows__basic_overlapped_handle.close.overload2 close]``(
       asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.windows__overlapped_handle.close.overload2 more...]]``
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_overlapped_handle.close.overload2 more...]]``
 
 
-[section:overload1 windows::overlapped_handle::close (1 of 2 overloads)]
+[section:overload1 windows::basic_overlapped_handle::close (1 of 2 overloads)]
 
 
 Close the handle. 
@@ -108993,7 +116592,7 @@ This function is used to close the handle. Any asynchronous read or write operat
 
 
 
-[section:overload2 windows::overlapped_handle::close (2 of 2 overloads)]
+[section:overload2 windows::basic_overlapped_handle::close (2 of 2 overloads)]
 
 
 Close the handle. 
@@ -109024,76 +116623,19 @@ This function is used to close the handle. Any asynchronous read or write operat
 [endsect]
 
 
-[section:executor_type windows::overlapped_handle::executor_type]
+[section:executor_type windows::basic_overlapped_handle::executor_type]
 
-[indexterm2 asio.indexterm.windows__overlapped_handle.executor_type..executor_type..windows::overlapped_handle] 
+[indexterm2 asio.indexterm.windows__basic_overlapped_handle.executor_type..executor_type..windows::basic_overlapped_handle] 
 The type of the executor associated with the object. 
 
 
-  typedef io_context::executor_type executor_type;
+  typedef Executor executor_type;
 
 
-[heading Member Functions]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.context [*context]]]
-    [Obtain the underlying execution context. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.defer [*defer]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.dispatch [*dispatch]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_finished [*on_work_finished]]]
-    [Inform the io_context that some work is no longer outstanding. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_started [*on_work_started]]]
-    [Inform the io_context that it has some outstanding work to do. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.post [*post]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.running_in_this_thread [*running_in_this_thread]]]
-    [Determine whether the io_context is running in the current thread. ]
-  ]
-  
-]
-
-[heading Friends]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.operator_not__eq_ [*operator!=]]]
-    [Compare two executors for inequality. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.operator_eq__eq_ [*operator==]]]
-    [Compare two executors for equality. ]
-  ]
-  
-]
-
 
 [heading Requirements]
 
-['Header: ][^asio/windows/overlapped_handle.hpp]
+['Header: ][^asio/windows/basic_overlapped_handle.hpp]
 
 ['Convenience header: ][^asio.hpp]
 
@@ -109102,9 +116644,9 @@ The type of the executor associated with the object.
 
 
 
-[section:get_executor windows::overlapped_handle::get_executor]
+[section:get_executor windows::basic_overlapped_handle::get_executor]
 
-[indexterm2 asio.indexterm.windows__overlapped_handle.get_executor..get_executor..windows::overlapped_handle] 
+[indexterm2 asio.indexterm.windows__basic_overlapped_handle.get_executor..get_executor..windows::basic_overlapped_handle] 
 Get the executor associated with the object. 
 
 
@@ -109116,22 +116658,11 @@ Get the executor associated with the object.
 
 
 
-[section:get_io_context windows::overlapped_handle::get_io_context]
+[section:impl_ windows::basic_overlapped_handle::impl_]
 
-[indexterm2 asio.indexterm.windows__overlapped_handle.get_io_context..get_io_context..windows::overlapped_handle] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_context();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
+[indexterm2 asio.indexterm.windows__basic_overlapped_handle.impl_..impl_..windows::basic_overlapped_handle] 
 
+  asio::detail::io_object_impl< asio::detail::win_iocp_handle_service, Executor > impl_;
 
 
 
@@ -109139,32 +116670,9 @@ A reference to the [link asio.reference.io_context `io_context`] object that the
 
 
 
-[section:get_io_service windows::overlapped_handle::get_io_service]
+[section:is_open windows::basic_overlapped_handle::is_open]
 
-[indexterm2 asio.indexterm.windows__overlapped_handle.get_io_service..get_io_service..windows::overlapped_handle] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_service();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
-[section:is_open windows::overlapped_handle::is_open]
-
-[indexterm2 asio.indexterm.windows__overlapped_handle.is_open..is_open..windows::overlapped_handle] 
+[indexterm2 asio.indexterm.windows__basic_overlapped_handle.is_open..is_open..windows::basic_overlapped_handle] 
 Determine whether the handle is open. 
 
 
@@ -109175,24 +116683,24 @@ Determine whether the handle is open.
 [endsect]
 
 
-[section:lowest_layer windows::overlapped_handle::lowest_layer]
+[section:lowest_layer windows::basic_overlapped_handle::lowest_layer]
 
-[indexterm2 asio.indexterm.windows__overlapped_handle.lowest_layer..lowest_layer..windows::overlapped_handle] 
+[indexterm2 asio.indexterm.windows__basic_overlapped_handle.lowest_layer..lowest_layer..windows::basic_overlapped_handle] 
 Get a reference to the lowest layer. 
 
 
-  lowest_layer_type & ``[link asio.reference.windows__overlapped_handle.lowest_layer.overload1 lowest_layer]``();
-  ``  [''''&raquo;''' [link asio.reference.windows__overlapped_handle.lowest_layer.overload1 more...]]``
+  lowest_layer_type & ``[link asio.reference.windows__basic_overlapped_handle.lowest_layer.overload1 lowest_layer]``();
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_overlapped_handle.lowest_layer.overload1 more...]]``
 
 
 Get a const reference to the lowest layer. 
 
 
-  const lowest_layer_type & ``[link asio.reference.windows__overlapped_handle.lowest_layer.overload2 lowest_layer]``() const;
-  ``  [''''&raquo;''' [link asio.reference.windows__overlapped_handle.lowest_layer.overload2 more...]]``
+  const lowest_layer_type & ``[link asio.reference.windows__basic_overlapped_handle.lowest_layer.overload2 lowest_layer]``() const;
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_overlapped_handle.lowest_layer.overload2 more...]]``
 
 
-[section:overload1 windows::overlapped_handle::lowest_layer (1 of 2 overloads)]
+[section:overload1 windows::basic_overlapped_handle::lowest_layer (1 of 2 overloads)]
 
 
 Get a reference to the lowest layer. 
@@ -109201,7 +116709,7 @@ Get a reference to the lowest layer.
   lowest_layer_type & lowest_layer();
 
 
-This function returns a reference to the lowest layer in a stack of layers. Since an [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`] cannot contain any further layers, it simply returns a reference to itself.
+This function returns a reference to the lowest layer in a stack of layers. Since an overlapped\_handle cannot contain any further layers, it simply returns a reference to itself.
 
 
 [heading Return Value]
@@ -109215,7 +116723,7 @@ A reference to the lowest layer in the stack of layers. Ownership is not transfe
 
 
 
-[section:overload2 windows::overlapped_handle::lowest_layer (2 of 2 overloads)]
+[section:overload2 windows::basic_overlapped_handle::lowest_layer (2 of 2 overloads)]
 
 
 Get a const reference to the lowest layer. 
@@ -109224,7 +116732,7 @@ Get a const reference to the lowest layer.
   const lowest_layer_type & lowest_layer() const;
 
 
-This function returns a const reference to the lowest layer in a stack of layers. Since an [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`] cannot contain any further layers, it simply returns a reference to itself.
+This function returns a const reference to the lowest layer in a stack of layers. Since an overlapped\_handle cannot contain any further layers, it simply returns a reference to itself.
 
 
 [heading Return Value]
@@ -109240,13 +116748,13 @@ A const reference to the lowest layer in the stack of layers. Ownership is not t
 [endsect]
 
 
-[section:lowest_layer_type windows::overlapped_handle::lowest_layer_type]
+[section:lowest_layer_type windows::basic_overlapped_handle::lowest_layer_type]
 
-[indexterm2 asio.indexterm.windows__overlapped_handle.lowest_layer_type..lowest_layer_type..windows::overlapped_handle] 
-An [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`] is always the lowest layer. 
+[indexterm2 asio.indexterm.windows__basic_overlapped_handle.lowest_layer_type..lowest_layer_type..windows::basic_overlapped_handle] 
+An overlapped\_handle is always the lowest layer. 
 
 
-  typedef overlapped_handle lowest_layer_type;
+  typedef basic_overlapped_handle lowest_layer_type;
 
 
 [heading Types]
@@ -109255,21 +116763,21 @@ An [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`]
 
   [
 
-    [[link asio.reference.windows__overlapped_handle.executor_type [*executor_type]]]
+    [[link asio.reference.windows__basic_overlapped_handle.executor_type [*executor_type]]]
     [The type of the executor associated with the object. ]
   
   ]
 
   [
 
-    [[link asio.reference.windows__overlapped_handle.lowest_layer_type [*lowest_layer_type]]]
+    [[link asio.reference.windows__basic_overlapped_handle.lowest_layer_type [*lowest_layer_type]]]
     [An overlapped_handle is always the lowest layer. ]
   
   ]
 
   [
 
-    [[link asio.reference.windows__overlapped_handle.native_handle_type [*native_handle_type]]]
+    [[link asio.reference.windows__basic_overlapped_handle.native_handle_type [*native_handle_type]]]
     [The native representation of a handle. ]
   
   ]
@@ -109281,64 +116789,54 @@ An [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`]
   [[Name][Description]]
 
   [
-    [[link asio.reference.windows__overlapped_handle.assign [*assign]]]
+    [[link asio.reference.windows__basic_overlapped_handle.assign [*assign]]]
     [Assign an existing native handle to the handle. ]
   ]
   
   [
-    [[link asio.reference.windows__overlapped_handle.cancel [*cancel]]]
+    [[link asio.reference.windows__basic_overlapped_handle.basic_overlapped_handle [*basic_overlapped_handle]]]
+    [Construct an overlapped handle without opening it. 
+     [hr]
+     Construct an overlapped handle on an existing native handle. 
+     [hr]
+     Move-construct an overlapped handle from another. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.cancel [*cancel]]]
     [Cancel all asynchronous operations associated with the handle. ]
   ]
   
   [
-    [[link asio.reference.windows__overlapped_handle.close [*close]]]
+    [[link asio.reference.windows__basic_overlapped_handle.close [*close]]]
     [Close the handle. ]
   ]
   
   [
-    [[link asio.reference.windows__overlapped_handle.get_executor [*get_executor]]]
+    [[link asio.reference.windows__basic_overlapped_handle.get_executor [*get_executor]]]
     [Get the executor associated with the object. ]
   ]
   
   [
-    [[link asio.reference.windows__overlapped_handle.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.is_open [*is_open]]]
+    [[link asio.reference.windows__basic_overlapped_handle.is_open [*is_open]]]
     [Determine whether the handle is open. ]
   ]
   
   [
-    [[link asio.reference.windows__overlapped_handle.lowest_layer [*lowest_layer]]]
+    [[link asio.reference.windows__basic_overlapped_handle.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
   [
-    [[link asio.reference.windows__overlapped_handle.native_handle [*native_handle]]]
+    [[link asio.reference.windows__basic_overlapped_handle.native_handle [*native_handle]]]
     [Get the native handle representation. ]
   ]
   
   [
-    [[link asio.reference.windows__overlapped_handle.operator_eq_ [*operator=]]]
-    [Move-assign an overlapped_handle from another. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.overlapped_handle [*overlapped_handle]]]
-    [Construct an overlapped_handle without opening it. 
-
-     Construct an overlapped_handle on an existing native handle. 
-
-     Move-construct an overlapped_handle from another. ]
+    [[link asio.reference.windows__basic_overlapped_handle.operator_eq_ [*operator=]]]
+    [Move-assign an overlapped handle from another. ]
   ]
   
 ]
@@ -109348,12 +116846,3008 @@ An [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`]
   [[Name][Description]]
 
   [
-    [[link asio.reference.windows__overlapped_handle._overlapped_handle [*~overlapped_handle]]]
+    [[link asio.reference.windows__basic_overlapped_handle._basic_overlapped_handle [*~basic_overlapped_handle]]]
     [Protected destructor to prevent deletion through this type. ]
   ]
   
 ]
 
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
+The [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`] class provides the ability to wrap a Windows handle. The underlying object referred to by the handle must support overlapped I/O.
+
+
+[heading Thread Safety]
+  
+['Distinct] ['objects:] Safe.
+
+['Shared] ['objects:] Unsafe. 
+
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/windows/basic_overlapped_handle.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+
+[section:native_handle windows::basic_overlapped_handle::native_handle]
+
+[indexterm2 asio.indexterm.windows__basic_overlapped_handle.native_handle..native_handle..windows::basic_overlapped_handle] 
+Get the native handle representation. 
+
+
+  native_handle_type native_handle();
+
+
+This function may be used to obtain the underlying representation of the handle. This is intended to allow access to native handle functionality that is not otherwise provided. 
+
+
+[endsect]
+
+
+
+[section:native_handle_type windows::basic_overlapped_handle::native_handle_type]
+
+[indexterm2 asio.indexterm.windows__basic_overlapped_handle.native_handle_type..native_handle_type..windows::basic_overlapped_handle] 
+The native representation of a handle. 
+
+
+  typedef implementation_defined native_handle_type;
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/windows/basic_overlapped_handle.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+
+[section:operator_eq_ windows::basic_overlapped_handle::operator=]
+
+[indexterm2 asio.indexterm.windows__basic_overlapped_handle.operator_eq_..operator=..windows::basic_overlapped_handle] 
+Move-assign an overlapped handle from another. 
+
+
+  basic_overlapped_handle & operator=(
+      basic_overlapped_handle && other);
+
+
+This assignment operator moves a handle from one object to another.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[other][The other overlapped handle object from which the move will occur.]]
+
+]
+
+
+[heading Remarks]
+      
+Following the move, the moved-from object is in the same state as if constructed using the `overlapped_handle(const executor_type&)` constructor. 
+
+
+
+
+[endsect]
+
+
+
+[section:_basic_overlapped_handle windows::basic_overlapped_handle::~basic_overlapped_handle]
+
+[indexterm2 asio.indexterm.windows__basic_overlapped_handle._basic_overlapped_handle..~basic_overlapped_handle..windows::basic_overlapped_handle] 
+Protected destructor to prevent deletion through this type. 
+
+
+  ~basic_overlapped_handle();
+
+
+This function destroys the handle, cancelling any outstanding asynchronous wait operations associated with the handle as if by calling `cancel`. 
+
+
+[endsect]
+
+
+
+[endsect]
+
+[section:windows__basic_random_access_handle windows::basic_random_access_handle]
+
+
+Provides random-access handle functionality. 
+
+
+  template<
+      typename ``[link asio.reference.Executor1 Executor]`` = executor>
+  class basic_random_access_handle :
+    public windows::basic_overlapped_handle< Executor >
+
+
+[heading Types]
+[table
+  [[Name][Description]]
+
+  [
+
+    [[link asio.reference.windows__basic_random_access_handle.executor_type [*executor_type]]]
+    [The type of the executor associated with the object. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.windows__basic_random_access_handle.lowest_layer_type [*lowest_layer_type]]]
+    [An overlapped_handle is always the lowest layer. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.windows__basic_random_access_handle.native_handle_type [*native_handle_type]]]
+    [The native representation of a handle. ]
+  
+  ]
+
+]
+
+[heading Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.windows__basic_random_access_handle.assign [*assign]]]
+    [Assign an existing native handle to the handle. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_random_access_handle.async_read_some_at [*async_read_some_at]]]
+    [Start an asynchronous read at the specified offset. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_random_access_handle.async_write_some_at [*async_write_some_at]]]
+    [Start an asynchronous write at the specified offset. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_random_access_handle.basic_random_access_handle [*basic_random_access_handle]]]
+    [Construct a random-access handle without opening it. 
+     [hr]
+     Construct a random-access handle on an existing native handle. 
+     [hr]
+     Move-construct a random-access handle from another. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_random_access_handle.cancel [*cancel]]]
+    [Cancel all asynchronous operations associated with the handle. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_random_access_handle.close [*close]]]
+    [Close the handle. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_random_access_handle.get_executor [*get_executor]]]
+    [Get the executor associated with the object. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_random_access_handle.is_open [*is_open]]]
+    [Determine whether the handle is open. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_random_access_handle.lowest_layer [*lowest_layer]]]
+    [Get a reference to the lowest layer. 
+     [hr]
+     Get a const reference to the lowest layer. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_random_access_handle.native_handle [*native_handle]]]
+    [Get the native handle representation. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_random_access_handle.operator_eq_ [*operator=]]]
+    [Move-assign a random-access handle from another. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_random_access_handle.read_some_at [*read_some_at]]]
+    [Read some data from the handle at the specified offset. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_random_access_handle.write_some_at [*write_some_at]]]
+    [Write some data to the handle at the specified offset. ]
+  ]
+  
+]
+
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.windows__basic_random_access_handle.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
+The [link asio.reference.windows__basic_random_access_handle `windows::basic_random_access_handle`] class provides asynchronous and blocking random-access handle functionality.
+
+
+[heading Thread Safety]
+  
+['Distinct] ['objects:] Safe.
+
+['Shared] ['objects:] Unsafe. 
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/windows/basic_random_access_handle.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+[section:assign windows::basic_random_access_handle::assign]
+
+[indexterm2 asio.indexterm.windows__basic_random_access_handle.assign..assign..windows::basic_random_access_handle] 
+Assign an existing native handle to the handle. 
+
+
+  void ``[link asio.reference.windows__basic_random_access_handle.assign.overload1 assign]``(
+      const native_handle_type & handle);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_random_access_handle.assign.overload1 more...]]``
+
+  void ``[link asio.reference.windows__basic_random_access_handle.assign.overload2 assign]``(
+      const native_handle_type & handle,
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_random_access_handle.assign.overload2 more...]]``
+
+
+[section:overload1 windows::basic_random_access_handle::assign (1 of 2 overloads)]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+
+Assign an existing native handle to the handle. 
+
+
+  void assign(
+      const native_handle_type & handle);
+
+
+
+[endsect]
+
+
+
+[section:overload2 windows::basic_random_access_handle::assign (2 of 2 overloads)]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+
+Assign an existing native handle to the handle. 
+
+
+  void assign(
+      const native_handle_type & handle,
+      asio::error_code & ec);
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:async_read_some_at windows::basic_random_access_handle::async_read_some_at]
+
+[indexterm2 asio.indexterm.windows__basic_random_access_handle.async_read_some_at..async_read_some_at..windows::basic_random_access_handle] 
+Start an asynchronous read at the specified offset. 
+
+
+  template<
+      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``,
+      typename ``[link asio.reference.ReadHandler ReadHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_read_some_at(
+      uint64_t offset,
+      const MutableBufferSequence & buffers,
+      ReadHandler && handler);
+
+
+This function is used to asynchronously read data from the random-access handle. The function call always returns immediately.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[offset][The offset at which the data will be read.]]
+
+[[buffers][One or more buffers into which the data will be read. Although the buffers object may be copied as necessary, ownership of the underlying memory blocks is retained by the caller, which must guarantee that they remain valid until the handler is called.]]
+
+[[handler][The handler to be called when the read operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
+``
+   void handler(
+     const asio::error_code& error, // Result of operation.
+     std::size_t bytes_transferred           // Number of bytes read.
+   ); 
+``
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
+
+]
+
+
+[heading Remarks]
+      
+The read operation may not read all of the requested number of bytes. Consider using the [link asio.reference.async_read_at `async_read_at`]  function if you need to ensure that the requested amount of data is read before the asynchronous operation completes.
+
+
+[heading Example]
+  
+To read into a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
+
+   handle.async_read_some_at(42, asio::buffer(data, size), handler);
+
+
+See the [link asio.reference.buffer `buffer`]  documentation for information on reading into multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
+
+
+
+
+[endsect]
+
+
+
+[section:async_write_some_at windows::basic_random_access_handle::async_write_some_at]
+
+[indexterm2 asio.indexterm.windows__basic_random_access_handle.async_write_some_at..async_write_some_at..windows::basic_random_access_handle] 
+Start an asynchronous write at the specified offset. 
+
+
+  template<
+      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``,
+      typename ``[link asio.reference.WriteHandler WriteHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_write_some_at(
+      uint64_t offset,
+      const ConstBufferSequence & buffers,
+      WriteHandler && handler);
+
+
+This function is used to asynchronously write data to the random-access handle. The function call always returns immediately.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[offset][The offset at which the data will be written.]]
+
+[[buffers][One or more data buffers to be written to the handle. Although the buffers object may be copied as necessary, ownership of the underlying memory blocks is retained by the caller, which must guarantee that they remain valid until the handler is called.]]
+
+[[handler][The handler to be called when the write operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
+``
+   void handler(
+     const asio::error_code& error, // Result of operation.
+     std::size_t bytes_transferred           // Number of bytes written.
+   ); 
+``
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
+
+]
+
+
+[heading Remarks]
+      
+The write operation may not transmit all of the data to the peer. Consider using the [link asio.reference.async_write_at `async_write_at`]  function if you need to ensure that all data is written before the asynchronous operation completes.
+
+
+[heading Example]
+  
+To write a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
+
+   handle.async_write_some_at(42, asio::buffer(data, size), handler);
+
+
+See the [link asio.reference.buffer `buffer`]  documentation for information on writing multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
+
+
+
+
+[endsect]
+
+
+[section:basic_random_access_handle windows::basic_random_access_handle::basic_random_access_handle]
+
+[indexterm2 asio.indexterm.windows__basic_random_access_handle.basic_random_access_handle..basic_random_access_handle..windows::basic_random_access_handle] 
+Construct a random-access handle without opening it. 
+
+
+  explicit ``[link asio.reference.windows__basic_random_access_handle.basic_random_access_handle.overload1 basic_random_access_handle]``(
+      const executor_type & ex);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_random_access_handle.basic_random_access_handle.overload1 more...]]``
+
+  template<
+      typename ExecutionContext>
+  explicit ``[link asio.reference.windows__basic_random_access_handle.basic_random_access_handle.overload2 basic_random_access_handle]``(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value, basic_random_access_handle >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_random_access_handle.basic_random_access_handle.overload2 more...]]``
+
+
+Construct a random-access handle on an existing native handle. 
+
+
+  ``[link asio.reference.windows__basic_random_access_handle.basic_random_access_handle.overload3 basic_random_access_handle]``(
+      const executor_type & ex,
+      const native_handle_type & handle);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_random_access_handle.basic_random_access_handle.overload3 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.windows__basic_random_access_handle.basic_random_access_handle.overload4 basic_random_access_handle]``(
+      ExecutionContext & context,
+      const native_handle_type & handle,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_random_access_handle.basic_random_access_handle.overload4 more...]]``
+
+
+Move-construct a random-access handle from another. 
+
+
+  ``[link asio.reference.windows__basic_random_access_handle.basic_random_access_handle.overload5 basic_random_access_handle]``(
+      basic_random_access_handle && other);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_random_access_handle.basic_random_access_handle.overload5 more...]]``
+
+
+[section:overload1 windows::basic_random_access_handle::basic_random_access_handle (1 of 5 overloads)]
+
+
+Construct a random-access handle without opening it. 
+
+
+  basic_random_access_handle(
+      const executor_type & ex);
+
+
+This constructor creates a random-access handle without opening it.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ex][The I/O executor that the random-access handle will use, by default, to dispatch handlers for any asynchronous operations performed on the random-access handle. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 windows::basic_random_access_handle::basic_random_access_handle (2 of 5 overloads)]
+
+
+Construct a random-access handle without opening it. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_random_access_handle(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value, basic_random_access_handle >::type *  = 0);
+
+
+This constructor creates a random-access handle without opening it. The handle needs to be opened or assigned before data can be sent or received on it.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the random-access handle will use, by default, to dispatch handlers for any asynchronous operations performed on the random-access handle. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload3 windows::basic_random_access_handle::basic_random_access_handle (3 of 5 overloads)]
+
+
+Construct a random-access handle on an existing native handle. 
+
+
+  basic_random_access_handle(
+      const executor_type & ex,
+      const native_handle_type & handle);
+
+
+This constructor creates a random-access handle object to hold an existing native handle.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ex][The I/O executor that the random-access handle will use, by default, to dispatch handlers for any asynchronous operations performed on the random-access handle.]]
+
+[[handle][The new underlying handle implementation.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload4 windows::basic_random_access_handle::basic_random_access_handle (4 of 5 overloads)]
+
+
+Construct a random-access handle on an existing native handle. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_random_access_handle(
+      ExecutionContext & context,
+      const native_handle_type & handle,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a random-access handle object to hold an existing native handle.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the random-access handle will use, by default, to dispatch handlers for any asynchronous operations performed on the random-access handle.]]
+
+[[handle][The new underlying handle implementation.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload5 windows::basic_random_access_handle::basic_random_access_handle (5 of 5 overloads)]
+
+
+Move-construct a random-access handle from another. 
+
+
+  basic_random_access_handle(
+      basic_random_access_handle && other);
+
+
+This constructor moves a random-access handle from one object to another.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[other][The other random-access handle object from which the move will occur.]]
+
+]
+
+
+[heading Remarks]
+      
+Following the move, the moved-from object is in the same state as if constructed using the `basic_random_access_handle(const executor_type&)` constructor. 
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+[section:cancel windows::basic_random_access_handle::cancel]
+
+[indexterm2 asio.indexterm.windows__basic_random_access_handle.cancel..cancel..windows::basic_random_access_handle] 
+Cancel all asynchronous operations associated with the handle. 
+
+
+  void ``[link asio.reference.windows__basic_random_access_handle.cancel.overload1 cancel]``();
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_random_access_handle.cancel.overload1 more...]]``
+
+  void ``[link asio.reference.windows__basic_random_access_handle.cancel.overload2 cancel]``(
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_random_access_handle.cancel.overload2 more...]]``
+
+
+[section:overload1 windows::basic_random_access_handle::cancel (1 of 2 overloads)]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+
+Cancel all asynchronous operations associated with the handle. 
+
+
+  void cancel();
+
+
+This function causes all outstanding asynchronous read or write operations to finish immediately, and the handlers for cancelled operations will be passed the `asio::error::operation_aborted` error.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 windows::basic_random_access_handle::cancel (2 of 2 overloads)]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+
+Cancel all asynchronous operations associated with the handle. 
+
+
+  void cancel(
+      asio::error_code & ec);
+
+
+This function causes all outstanding asynchronous read or write operations to finish immediately, and the handlers for cancelled operations will be passed the `asio::error::operation_aborted` error.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ec][Set to indicate what error occurred, if any. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+[section:close windows::basic_random_access_handle::close]
+
+[indexterm2 asio.indexterm.windows__basic_random_access_handle.close..close..windows::basic_random_access_handle] 
+Close the handle. 
+
+
+  void ``[link asio.reference.windows__basic_random_access_handle.close.overload1 close]``();
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_random_access_handle.close.overload1 more...]]``
+
+  void ``[link asio.reference.windows__basic_random_access_handle.close.overload2 close]``(
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_random_access_handle.close.overload2 more...]]``
+
+
+[section:overload1 windows::basic_random_access_handle::close (1 of 2 overloads)]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+
+Close the handle. 
+
+
+  void close();
+
+
+This function is used to close the handle. Any asynchronous read or write operations will be cancelled immediately, and will complete with the `asio::error::operation_aborted` error.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 windows::basic_random_access_handle::close (2 of 2 overloads)]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+
+Close the handle. 
+
+
+  void close(
+      asio::error_code & ec);
+
+
+This function is used to close the handle. Any asynchronous read or write operations will be cancelled immediately, and will complete with the `asio::error::operation_aborted` error.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ec][Set to indicate what error occurred, if any. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:executor_type windows::basic_random_access_handle::executor_type]
+
+[indexterm2 asio.indexterm.windows__basic_random_access_handle.executor_type..executor_type..windows::basic_random_access_handle] 
+The type of the executor associated with the object. 
+
+
+  typedef Executor executor_type;
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/windows/basic_random_access_handle.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+
+[section:get_executor windows::basic_random_access_handle::get_executor]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+[indexterm2 asio.indexterm.windows__basic_random_access_handle.get_executor..get_executor..windows::basic_random_access_handle] 
+Get the executor associated with the object. 
+
+
+  executor_type get_executor();
+
+
+
+[endsect]
+
+
+
+[section:impl_ windows::basic_random_access_handle::impl_]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+[indexterm2 asio.indexterm.windows__basic_random_access_handle.impl_..impl_..windows::basic_random_access_handle] 
+
+  asio::detail::io_object_impl< asio::detail::win_iocp_handle_service, Executor > impl_;
+
+
+
+[endsect]
+
+
+
+[section:is_open windows::basic_random_access_handle::is_open]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+[indexterm2 asio.indexterm.windows__basic_random_access_handle.is_open..is_open..windows::basic_random_access_handle] 
+Determine whether the handle is open. 
+
+
+  bool is_open() const;
+
+
+
+[endsect]
+
+
+[section:lowest_layer windows::basic_random_access_handle::lowest_layer]
+
+[indexterm2 asio.indexterm.windows__basic_random_access_handle.lowest_layer..lowest_layer..windows::basic_random_access_handle] 
+Get a reference to the lowest layer. 
+
+
+  lowest_layer_type & ``[link asio.reference.windows__basic_random_access_handle.lowest_layer.overload1 lowest_layer]``();
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_random_access_handle.lowest_layer.overload1 more...]]``
+
+
+Get a const reference to the lowest layer. 
+
+
+  const lowest_layer_type & ``[link asio.reference.windows__basic_random_access_handle.lowest_layer.overload2 lowest_layer]``() const;
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_random_access_handle.lowest_layer.overload2 more...]]``
+
+
+[section:overload1 windows::basic_random_access_handle::lowest_layer (1 of 2 overloads)]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+
+Get a reference to the lowest layer. 
+
+
+  lowest_layer_type & lowest_layer();
+
+
+This function returns a reference to the lowest layer in a stack of layers. Since an overlapped\_handle cannot contain any further layers, it simply returns a reference to itself.
+
+
+[heading Return Value]
+      
+A reference to the lowest layer in the stack of layers. Ownership is not transferred to the caller. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 windows::basic_random_access_handle::lowest_layer (2 of 2 overloads)]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+
+Get a const reference to the lowest layer. 
+
+
+  const lowest_layer_type & lowest_layer() const;
+
+
+This function returns a const reference to the lowest layer in a stack of layers. Since an overlapped\_handle cannot contain any further layers, it simply returns a reference to itself.
+
+
+[heading Return Value]
+      
+A const reference to the lowest layer in the stack of layers. Ownership is not transferred to the caller. 
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:lowest_layer_type windows::basic_random_access_handle::lowest_layer_type]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+[indexterm2 asio.indexterm.windows__basic_random_access_handle.lowest_layer_type..lowest_layer_type..windows::basic_random_access_handle] 
+An overlapped\_handle is always the lowest layer. 
+
+
+  typedef basic_overlapped_handle lowest_layer_type;
+
+
+[heading Types]
+[table
+  [[Name][Description]]
+
+  [
+
+    [[link asio.reference.windows__basic_overlapped_handle.executor_type [*executor_type]]]
+    [The type of the executor associated with the object. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.windows__basic_overlapped_handle.lowest_layer_type [*lowest_layer_type]]]
+    [An overlapped_handle is always the lowest layer. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.windows__basic_overlapped_handle.native_handle_type [*native_handle_type]]]
+    [The native representation of a handle. ]
+  
+  ]
+
+]
+
+[heading Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.assign [*assign]]]
+    [Assign an existing native handle to the handle. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.basic_overlapped_handle [*basic_overlapped_handle]]]
+    [Construct an overlapped handle without opening it. 
+     [hr]
+     Construct an overlapped handle on an existing native handle. 
+     [hr]
+     Move-construct an overlapped handle from another. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.cancel [*cancel]]]
+    [Cancel all asynchronous operations associated with the handle. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.close [*close]]]
+    [Close the handle. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.get_executor [*get_executor]]]
+    [Get the executor associated with the object. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.is_open [*is_open]]]
+    [Determine whether the handle is open. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.lowest_layer [*lowest_layer]]]
+    [Get a reference to the lowest layer. 
+     [hr]
+     Get a const reference to the lowest layer. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.native_handle [*native_handle]]]
+    [Get the native handle representation. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.operator_eq_ [*operator=]]]
+    [Move-assign an overlapped handle from another. ]
+  ]
+  
+]
+
+[heading Protected Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.windows__basic_overlapped_handle._basic_overlapped_handle [*~basic_overlapped_handle]]]
+    [Protected destructor to prevent deletion through this type. ]
+  ]
+  
+]
+
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
+The [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`] class provides the ability to wrap a Windows handle. The underlying object referred to by the handle must support overlapped I/O.
+
+
+[heading Thread Safety]
+  
+['Distinct] ['objects:] Safe.
+
+['Shared] ['objects:] Unsafe. 
+
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/windows/basic_random_access_handle.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+
+[section:native_handle windows::basic_random_access_handle::native_handle]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+[indexterm2 asio.indexterm.windows__basic_random_access_handle.native_handle..native_handle..windows::basic_random_access_handle] 
+Get the native handle representation. 
+
+
+  native_handle_type native_handle();
+
+
+This function may be used to obtain the underlying representation of the handle. This is intended to allow access to native handle functionality that is not otherwise provided. 
+
+
+[endsect]
+
+
+
+[section:native_handle_type windows::basic_random_access_handle::native_handle_type]
+
+[indexterm2 asio.indexterm.windows__basic_random_access_handle.native_handle_type..native_handle_type..windows::basic_random_access_handle] 
+The native representation of a handle. 
+
+
+  typedef implementation_defined native_handle_type;
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/windows/basic_random_access_handle.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+
+[section:operator_eq_ windows::basic_random_access_handle::operator=]
+
+[indexterm2 asio.indexterm.windows__basic_random_access_handle.operator_eq_..operator=..windows::basic_random_access_handle] 
+Move-assign a random-access handle from another. 
+
+
+  basic_random_access_handle & operator=(
+      basic_random_access_handle && other);
+
+
+This assignment operator moves a random-access handle from one object to another.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[other][The other random-access handle object from which the move will occur.]]
+
+]
+
+
+[heading Remarks]
+      
+Following the move, the moved-from object is in the same state as if constructed using the `basic_random_access_handle(const executor_type&)` constructor. 
+
+
+
+
+[endsect]
+
+
+[section:read_some_at windows::basic_random_access_handle::read_some_at]
+
+[indexterm2 asio.indexterm.windows__basic_random_access_handle.read_some_at..read_some_at..windows::basic_random_access_handle] 
+Read some data from the handle at the specified offset. 
+
+
+  template<
+      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
+  std::size_t ``[link asio.reference.windows__basic_random_access_handle.read_some_at.overload1 read_some_at]``(
+      uint64_t offset,
+      const MutableBufferSequence & buffers);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_random_access_handle.read_some_at.overload1 more...]]``
+
+  template<
+      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
+  std::size_t ``[link asio.reference.windows__basic_random_access_handle.read_some_at.overload2 read_some_at]``(
+      uint64_t offset,
+      const MutableBufferSequence & buffers,
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_random_access_handle.read_some_at.overload2 more...]]``
+
+
+[section:overload1 windows::basic_random_access_handle::read_some_at (1 of 2 overloads)]
+
+
+Read some data from the handle at the specified offset. 
+
+
+  template<
+      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
+  std::size_t read_some_at(
+      uint64_t offset,
+      const MutableBufferSequence & buffers);
+
+
+This function is used to read data from the random-access handle. The function call will block until one or more bytes of data has been read successfully, or until an error occurs.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[offset][The offset at which the data will be read.]]
+
+[[buffers][One or more buffers into which the data will be read.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes read.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. An error code of `asio::error::eof` indicates that the connection was closed by the peer.]]
+
+]
+
+
+[heading Remarks]
+      
+The read\_some operation may not read all of the requested number of bytes. Consider using the [link asio.reference.read_at `read_at`]  function if you need to ensure that the requested amount of data is read before the blocking operation completes.
+
+
+[heading Example]
+  
+To read into a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
+
+   handle.read_some_at(42, asio::buffer(data, size));
+
+
+See the [link asio.reference.buffer `buffer`]  documentation for information on reading into multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 windows::basic_random_access_handle::read_some_at (2 of 2 overloads)]
+
+
+Read some data from the handle at the specified offset. 
+
+
+  template<
+      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
+  std::size_t read_some_at(
+      uint64_t offset,
+      const MutableBufferSequence & buffers,
+      asio::error_code & ec);
+
+
+This function is used to read data from the random-access handle. The function call will block until one or more bytes of data has been read successfully, or until an error occurs.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[offset][The offset at which the data will be read.]]
+
+[[buffers][One or more buffers into which the data will be read.]]
+
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes read. Returns 0 if an error occurred.
+
+
+[heading Remarks]
+      
+The read\_some operation may not read all of the requested number of bytes. Consider using the [link asio.reference.read_at `read_at`]  function if you need to ensure that the requested amount of data is read before the blocking operation completes. 
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+[section:write_some_at windows::basic_random_access_handle::write_some_at]
+
+[indexterm2 asio.indexterm.windows__basic_random_access_handle.write_some_at..write_some_at..windows::basic_random_access_handle] 
+Write some data to the handle at the specified offset. 
+
+
+  template<
+      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
+  std::size_t ``[link asio.reference.windows__basic_random_access_handle.write_some_at.overload1 write_some_at]``(
+      uint64_t offset,
+      const ConstBufferSequence & buffers);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_random_access_handle.write_some_at.overload1 more...]]``
+
+  template<
+      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
+  std::size_t ``[link asio.reference.windows__basic_random_access_handle.write_some_at.overload2 write_some_at]``(
+      uint64_t offset,
+      const ConstBufferSequence & buffers,
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_random_access_handle.write_some_at.overload2 more...]]``
+
+
+[section:overload1 windows::basic_random_access_handle::write_some_at (1 of 2 overloads)]
+
+
+Write some data to the handle at the specified offset. 
+
+
+  template<
+      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
+  std::size_t write_some_at(
+      uint64_t offset,
+      const ConstBufferSequence & buffers);
+
+
+This function is used to write data to the random-access handle. The function call will block until one or more bytes of the data has been written successfully, or until an error occurs.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[offset][The offset at which the data will be written.]]
+
+[[buffers][One or more data buffers to be written to the handle.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes written.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. An error code of `asio::error::eof` indicates that the connection was closed by the peer.]]
+
+]
+
+
+[heading Remarks]
+      
+The write\_some\_at operation may not write all of the data. Consider using the [link asio.reference.write_at `write_at`]  function if you need to ensure that all data is written before the blocking operation completes.
+
+
+[heading Example]
+  
+To write a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
+
+   handle.write_some_at(42, asio::buffer(data, size));
+
+
+See the [link asio.reference.buffer `buffer`]  documentation for information on writing multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 windows::basic_random_access_handle::write_some_at (2 of 2 overloads)]
+
+
+Write some data to the handle at the specified offset. 
+
+
+  template<
+      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
+  std::size_t write_some_at(
+      uint64_t offset,
+      const ConstBufferSequence & buffers,
+      asio::error_code & ec);
+
+
+This function is used to write data to the random-access handle. The function call will block until one or more bytes of the data has been written successfully, or until an error occurs.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[offset][The offset at which the data will be written.]]
+
+[[buffers][One or more data buffers to be written to the handle.]]
+
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes written. Returns 0 if an error occurred.
+
+
+[heading Remarks]
+      
+The write\_some operation may not transmit all of the data to the peer. Consider using the [link asio.reference.write_at `write_at`]  function if you need to ensure that all data is written before the blocking operation completes. 
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[endsect]
+
+[section:windows__basic_stream_handle windows::basic_stream_handle]
+
+
+Provides stream-oriented handle functionality. 
+
+
+  template<
+      typename ``[link asio.reference.Executor1 Executor]`` = executor>
+  class basic_stream_handle :
+    public windows::basic_overlapped_handle< Executor >
+
+
+[heading Types]
+[table
+  [[Name][Description]]
+
+  [
+
+    [[link asio.reference.windows__basic_stream_handle.executor_type [*executor_type]]]
+    [The type of the executor associated with the object. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.windows__basic_stream_handle.lowest_layer_type [*lowest_layer_type]]]
+    [An overlapped_handle is always the lowest layer. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.windows__basic_stream_handle.native_handle_type [*native_handle_type]]]
+    [The native representation of a handle. ]
+  
+  ]
+
+]
+
+[heading Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.windows__basic_stream_handle.assign [*assign]]]
+    [Assign an existing native handle to the handle. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_stream_handle.async_read_some [*async_read_some]]]
+    [Start an asynchronous read. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_stream_handle.async_write_some [*async_write_some]]]
+    [Start an asynchronous write. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_stream_handle.basic_stream_handle [*basic_stream_handle]]]
+    [Construct a stream handle without opening it. 
+     [hr]
+     Construct a stream handle on an existing native handle. 
+     [hr]
+     Move-construct a stream handle from another. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_stream_handle.cancel [*cancel]]]
+    [Cancel all asynchronous operations associated with the handle. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_stream_handle.close [*close]]]
+    [Close the handle. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_stream_handle.get_executor [*get_executor]]]
+    [Get the executor associated with the object. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_stream_handle.is_open [*is_open]]]
+    [Determine whether the handle is open. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_stream_handle.lowest_layer [*lowest_layer]]]
+    [Get a reference to the lowest layer. 
+     [hr]
+     Get a const reference to the lowest layer. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_stream_handle.native_handle [*native_handle]]]
+    [Get the native handle representation. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_stream_handle.operator_eq_ [*operator=]]]
+    [Move-assign a stream handle from another. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_stream_handle.read_some [*read_some]]]
+    [Read some data from the handle. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_stream_handle.write_some [*write_some]]]
+    [Write some data to the handle. ]
+  ]
+  
+]
+
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.windows__basic_stream_handle.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
+The [link asio.reference.windows__basic_stream_handle `windows::basic_stream_handle`] class provides asynchronous and blocking stream-oriented handle functionality.
+
+
+[heading Thread Safety]
+  
+['Distinct] ['objects:] Safe.
+
+['Shared] ['objects:] Unsafe.
+
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/windows/basic_stream_handle.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+[section:assign windows::basic_stream_handle::assign]
+
+[indexterm2 asio.indexterm.windows__basic_stream_handle.assign..assign..windows::basic_stream_handle] 
+Assign an existing native handle to the handle. 
+
+
+  void ``[link asio.reference.windows__basic_stream_handle.assign.overload1 assign]``(
+      const native_handle_type & handle);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_stream_handle.assign.overload1 more...]]``
+
+  void ``[link asio.reference.windows__basic_stream_handle.assign.overload2 assign]``(
+      const native_handle_type & handle,
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_stream_handle.assign.overload2 more...]]``
+
+
+[section:overload1 windows::basic_stream_handle::assign (1 of 2 overloads)]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+
+Assign an existing native handle to the handle. 
+
+
+  void assign(
+      const native_handle_type & handle);
+
+
+
+[endsect]
+
+
+
+[section:overload2 windows::basic_stream_handle::assign (2 of 2 overloads)]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+
+Assign an existing native handle to the handle. 
+
+
+  void assign(
+      const native_handle_type & handle,
+      asio::error_code & ec);
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:async_read_some windows::basic_stream_handle::async_read_some]
+
+[indexterm2 asio.indexterm.windows__basic_stream_handle.async_read_some..async_read_some..windows::basic_stream_handle] 
+Start an asynchronous read. 
+
+
+  template<
+      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``,
+      typename ``[link asio.reference.ReadHandler ReadHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_read_some(
+      const MutableBufferSequence & buffers,
+      ReadHandler && handler);
+
+
+This function is used to asynchronously read data from the stream handle. The function call always returns immediately.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[buffers][One or more buffers into which the data will be read. Although the buffers object may be copied as necessary, ownership of the underlying memory blocks is retained by the caller, which must guarantee that they remain valid until the handler is called.]]
+
+[[handler][The handler to be called when the read operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
+``
+   void handler(
+     const asio::error_code& error, // Result of operation.
+     std::size_t bytes_transferred           // Number of bytes read.
+   ); 
+``
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
+
+]
+
+
+[heading Remarks]
+      
+The read operation may not read all of the requested number of bytes. Consider using the [link asio.reference.async_read `async_read`]  function if you need to ensure that the requested amount of data is read before the asynchronous operation completes.
+
+
+[heading Example]
+  
+To read into a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
+
+   handle.async_read_some(asio::buffer(data, size), handler);
+
+
+See the [link asio.reference.buffer `buffer`]  documentation for information on reading into multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
+
+
+
+
+[endsect]
+
+
+
+[section:async_write_some windows::basic_stream_handle::async_write_some]
+
+[indexterm2 asio.indexterm.windows__basic_stream_handle.async_write_some..async_write_some..windows::basic_stream_handle] 
+Start an asynchronous write. 
+
+
+  template<
+      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``,
+      typename ``[link asio.reference.WriteHandler WriteHandler]``>
+  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_write_some(
+      const ConstBufferSequence & buffers,
+      WriteHandler && handler);
+
+
+This function is used to asynchronously write data to the stream handle. The function call always returns immediately.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[buffers][One or more data buffers to be written to the handle. Although the buffers object may be copied as necessary, ownership of the underlying memory blocks is retained by the caller, which must guarantee that they remain valid until the handler is called.]]
+
+[[handler][The handler to be called when the write operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
+``
+   void handler(
+     const asio::error_code& error, // Result of operation.
+     std::size_t bytes_transferred           // Number of bytes written.
+   ); 
+``
+Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. On immediate completion, invocation of the handler will be performed in a manner equivalent to using [link asio.reference.post `post`].]]
+
+]
+
+
+[heading Remarks]
+      
+The write operation may not transmit all of the data to the peer. Consider using the [link asio.reference.async_write `async_write`]  function if you need to ensure that all data is written before the asynchronous operation completes.
+
+
+[heading Example]
+  
+To write a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
+
+   handle.async_write_some(asio::buffer(data, size), handler);
+
+
+See the [link asio.reference.buffer `buffer`]  documentation for information on writing multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
+
+
+
+
+[endsect]
+
+
+[section:basic_stream_handle windows::basic_stream_handle::basic_stream_handle]
+
+[indexterm2 asio.indexterm.windows__basic_stream_handle.basic_stream_handle..basic_stream_handle..windows::basic_stream_handle] 
+Construct a stream handle without opening it. 
+
+
+  explicit ``[link asio.reference.windows__basic_stream_handle.basic_stream_handle.overload1 basic_stream_handle]``(
+      const executor_type & ex);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_stream_handle.basic_stream_handle.overload1 more...]]``
+
+  template<
+      typename ExecutionContext>
+  explicit ``[link asio.reference.windows__basic_stream_handle.basic_stream_handle.overload2 basic_stream_handle]``(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value, basic_stream_handle >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_stream_handle.basic_stream_handle.overload2 more...]]``
+
+
+Construct a stream handle on an existing native handle. 
+
+
+  ``[link asio.reference.windows__basic_stream_handle.basic_stream_handle.overload3 basic_stream_handle]``(
+      const executor_type & ex,
+      const native_handle_type & handle);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_stream_handle.basic_stream_handle.overload3 more...]]``
+
+  template<
+      typename ExecutionContext>
+  ``[link asio.reference.windows__basic_stream_handle.basic_stream_handle.overload4 basic_stream_handle]``(
+      ExecutionContext & context,
+      const native_handle_type & handle,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_stream_handle.basic_stream_handle.overload4 more...]]``
+
+
+Move-construct a stream handle from another. 
+
+
+  ``[link asio.reference.windows__basic_stream_handle.basic_stream_handle.overload5 basic_stream_handle]``(
+      basic_stream_handle && other);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_stream_handle.basic_stream_handle.overload5 more...]]``
+
+
+[section:overload1 windows::basic_stream_handle::basic_stream_handle (1 of 5 overloads)]
+
+
+Construct a stream handle without opening it. 
+
+
+  basic_stream_handle(
+      const executor_type & ex);
+
+
+This constructor creates a stream handle without opening it.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ex][The I/O executor that the stream handle will use, by default, to dispatch handlers for any asynchronous operations performed on the stream handle. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 windows::basic_stream_handle::basic_stream_handle (2 of 5 overloads)]
+
+
+Construct a stream handle without opening it. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_stream_handle(
+      ExecutionContext & context,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value, basic_stream_handle >::type *  = 0);
+
+
+This constructor creates a stream handle without opening it. The handle needs to be opened or assigned before data can be sent or received on it.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the stream handle will use, by default, to dispatch handlers for any asynchronous operations performed on the stream handle. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload3 windows::basic_stream_handle::basic_stream_handle (3 of 5 overloads)]
+
+
+Construct a stream handle on an existing native handle. 
+
+
+  basic_stream_handle(
+      const executor_type & ex,
+      const native_handle_type & handle);
+
+
+This constructor creates a stream handle object to hold an existing native handle.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ex][The I/O executor that the stream handle will use, by default, to dispatch handlers for any asynchronous operations performed on the stream handle.]]
+
+[[handle][The new underlying handle implementation.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload4 windows::basic_stream_handle::basic_stream_handle (4 of 5 overloads)]
+
+
+Construct a stream handle on an existing native handle. 
+
+
+  template<
+      typename ExecutionContext>
+  basic_stream_handle(
+      ExecutionContext & context,
+      const native_handle_type & handle,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+This constructor creates a stream handle object to hold an existing native handle.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[context][An execution context which provides the I/O executor that the stream handle will use, by default, to dispatch handlers for any asynchronous operations performed on the stream handle.]]
+
+[[handle][The new underlying handle implementation.]]
+
+]
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload5 windows::basic_stream_handle::basic_stream_handle (5 of 5 overloads)]
+
+
+Move-construct a stream handle from another. 
+
+
+  basic_stream_handle(
+      basic_stream_handle && other);
+
+
+This constructor moves a stream handle from one object to another.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[other][The other stream handle object from which the move will occur.]]
+
+]
+
+
+[heading Remarks]
+      
+Following the move, the moved-from object is in the same state as if constructed using the `basic_stream_handle(const executor_type&)` constructor. 
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+[section:cancel windows::basic_stream_handle::cancel]
+
+[indexterm2 asio.indexterm.windows__basic_stream_handle.cancel..cancel..windows::basic_stream_handle] 
+Cancel all asynchronous operations associated with the handle. 
+
+
+  void ``[link asio.reference.windows__basic_stream_handle.cancel.overload1 cancel]``();
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_stream_handle.cancel.overload1 more...]]``
+
+  void ``[link asio.reference.windows__basic_stream_handle.cancel.overload2 cancel]``(
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_stream_handle.cancel.overload2 more...]]``
+
+
+[section:overload1 windows::basic_stream_handle::cancel (1 of 2 overloads)]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+
+Cancel all asynchronous operations associated with the handle. 
+
+
+  void cancel();
+
+
+This function causes all outstanding asynchronous read or write operations to finish immediately, and the handlers for cancelled operations will be passed the `asio::error::operation_aborted` error.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 windows::basic_stream_handle::cancel (2 of 2 overloads)]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+
+Cancel all asynchronous operations associated with the handle. 
+
+
+  void cancel(
+      asio::error_code & ec);
+
+
+This function causes all outstanding asynchronous read or write operations to finish immediately, and the handlers for cancelled operations will be passed the `asio::error::operation_aborted` error.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ec][Set to indicate what error occurred, if any. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+[section:close windows::basic_stream_handle::close]
+
+[indexterm2 asio.indexterm.windows__basic_stream_handle.close..close..windows::basic_stream_handle] 
+Close the handle. 
+
+
+  void ``[link asio.reference.windows__basic_stream_handle.close.overload1 close]``();
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_stream_handle.close.overload1 more...]]``
+
+  void ``[link asio.reference.windows__basic_stream_handle.close.overload2 close]``(
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_stream_handle.close.overload2 more...]]``
+
+
+[section:overload1 windows::basic_stream_handle::close (1 of 2 overloads)]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+
+Close the handle. 
+
+
+  void close();
+
+
+This function is used to close the handle. Any asynchronous read or write operations will be cancelled immediately, and will complete with the `asio::error::operation_aborted` error.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 windows::basic_stream_handle::close (2 of 2 overloads)]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+
+Close the handle. 
+
+
+  void close(
+      asio::error_code & ec);
+
+
+This function is used to close the handle. Any asynchronous read or write operations will be cancelled immediately, and will complete with the `asio::error::operation_aborted` error.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[ec][Set to indicate what error occurred, if any. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:executor_type windows::basic_stream_handle::executor_type]
+
+[indexterm2 asio.indexterm.windows__basic_stream_handle.executor_type..executor_type..windows::basic_stream_handle] 
+The type of the executor associated with the object. 
+
+
+  typedef Executor executor_type;
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/windows/basic_stream_handle.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+
+[section:get_executor windows::basic_stream_handle::get_executor]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+[indexterm2 asio.indexterm.windows__basic_stream_handle.get_executor..get_executor..windows::basic_stream_handle] 
+Get the executor associated with the object. 
+
+
+  executor_type get_executor();
+
+
+
+[endsect]
+
+
+
+[section:impl_ windows::basic_stream_handle::impl_]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+[indexterm2 asio.indexterm.windows__basic_stream_handle.impl_..impl_..windows::basic_stream_handle] 
+
+  asio::detail::io_object_impl< asio::detail::win_iocp_handle_service, Executor > impl_;
+
+
+
+[endsect]
+
+
+
+[section:is_open windows::basic_stream_handle::is_open]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+[indexterm2 asio.indexterm.windows__basic_stream_handle.is_open..is_open..windows::basic_stream_handle] 
+Determine whether the handle is open. 
+
+
+  bool is_open() const;
+
+
+
+[endsect]
+
+
+[section:lowest_layer windows::basic_stream_handle::lowest_layer]
+
+[indexterm2 asio.indexterm.windows__basic_stream_handle.lowest_layer..lowest_layer..windows::basic_stream_handle] 
+Get a reference to the lowest layer. 
+
+
+  lowest_layer_type & ``[link asio.reference.windows__basic_stream_handle.lowest_layer.overload1 lowest_layer]``();
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_stream_handle.lowest_layer.overload1 more...]]``
+
+
+Get a const reference to the lowest layer. 
+
+
+  const lowest_layer_type & ``[link asio.reference.windows__basic_stream_handle.lowest_layer.overload2 lowest_layer]``() const;
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_stream_handle.lowest_layer.overload2 more...]]``
+
+
+[section:overload1 windows::basic_stream_handle::lowest_layer (1 of 2 overloads)]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+
+Get a reference to the lowest layer. 
+
+
+  lowest_layer_type & lowest_layer();
+
+
+This function returns a reference to the lowest layer in a stack of layers. Since an overlapped\_handle cannot contain any further layers, it simply returns a reference to itself.
+
+
+[heading Return Value]
+      
+A reference to the lowest layer in the stack of layers. Ownership is not transferred to the caller. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 windows::basic_stream_handle::lowest_layer (2 of 2 overloads)]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+
+Get a const reference to the lowest layer. 
+
+
+  const lowest_layer_type & lowest_layer() const;
+
+
+This function returns a const reference to the lowest layer in a stack of layers. Since an overlapped\_handle cannot contain any further layers, it simply returns a reference to itself.
+
+
+[heading Return Value]
+      
+A const reference to the lowest layer in the stack of layers. Ownership is not transferred to the caller. 
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:lowest_layer_type windows::basic_stream_handle::lowest_layer_type]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+[indexterm2 asio.indexterm.windows__basic_stream_handle.lowest_layer_type..lowest_layer_type..windows::basic_stream_handle] 
+An overlapped\_handle is always the lowest layer. 
+
+
+  typedef basic_overlapped_handle lowest_layer_type;
+
+
+[heading Types]
+[table
+  [[Name][Description]]
+
+  [
+
+    [[link asio.reference.windows__basic_overlapped_handle.executor_type [*executor_type]]]
+    [The type of the executor associated with the object. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.windows__basic_overlapped_handle.lowest_layer_type [*lowest_layer_type]]]
+    [An overlapped_handle is always the lowest layer. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.windows__basic_overlapped_handle.native_handle_type [*native_handle_type]]]
+    [The native representation of a handle. ]
+  
+  ]
+
+]
+
+[heading Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.assign [*assign]]]
+    [Assign an existing native handle to the handle. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.basic_overlapped_handle [*basic_overlapped_handle]]]
+    [Construct an overlapped handle without opening it. 
+     [hr]
+     Construct an overlapped handle on an existing native handle. 
+     [hr]
+     Move-construct an overlapped handle from another. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.cancel [*cancel]]]
+    [Cancel all asynchronous operations associated with the handle. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.close [*close]]]
+    [Close the handle. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.get_executor [*get_executor]]]
+    [Get the executor associated with the object. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.is_open [*is_open]]]
+    [Determine whether the handle is open. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.lowest_layer [*lowest_layer]]]
+    [Get a reference to the lowest layer. 
+     [hr]
+     Get a const reference to the lowest layer. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.native_handle [*native_handle]]]
+    [Get the native handle representation. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.operator_eq_ [*operator=]]]
+    [Move-assign an overlapped handle from another. ]
+  ]
+  
+]
+
+[heading Protected Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.windows__basic_overlapped_handle._basic_overlapped_handle [*~basic_overlapped_handle]]]
+    [Protected destructor to prevent deletion through this type. ]
+  ]
+  
+]
+
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
+The [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`] class provides the ability to wrap a Windows handle. The underlying object referred to by the handle must support overlapped I/O.
+
+
+[heading Thread Safety]
+  
+['Distinct] ['objects:] Safe.
+
+['Shared] ['objects:] Unsafe. 
+
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/windows/basic_stream_handle.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+
+[section:native_handle windows::basic_stream_handle::native_handle]
+
+
+['Inherited from windows::basic_overlapped_handle.]
+
+[indexterm2 asio.indexterm.windows__basic_stream_handle.native_handle..native_handle..windows::basic_stream_handle] 
+Get the native handle representation. 
+
+
+  native_handle_type native_handle();
+
+
+This function may be used to obtain the underlying representation of the handle. This is intended to allow access to native handle functionality that is not otherwise provided. 
+
+
+[endsect]
+
+
+
+[section:native_handle_type windows::basic_stream_handle::native_handle_type]
+
+[indexterm2 asio.indexterm.windows__basic_stream_handle.native_handle_type..native_handle_type..windows::basic_stream_handle] 
+The native representation of a handle. 
+
+
+  typedef implementation_defined native_handle_type;
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/windows/basic_stream_handle.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+
+[section:operator_eq_ windows::basic_stream_handle::operator=]
+
+[indexterm2 asio.indexterm.windows__basic_stream_handle.operator_eq_..operator=..windows::basic_stream_handle] 
+Move-assign a stream handle from another. 
+
+
+  basic_stream_handle & operator=(
+      basic_stream_handle && other);
+
+
+This assignment operator moves a stream handle from one object to another.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[other][The other stream handle object from which the move will occur.]]
+
+]
+
+
+[heading Remarks]
+      
+Following the move, the moved-from object is in the same state as if constructed using the `basic_stream_handle(const executor_type&)` constructor. 
+
+
+
+
+[endsect]
+
+
+[section:read_some windows::basic_stream_handle::read_some]
+
+[indexterm2 asio.indexterm.windows__basic_stream_handle.read_some..read_some..windows::basic_stream_handle] 
+Read some data from the handle. 
+
+
+  template<
+      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
+  std::size_t ``[link asio.reference.windows__basic_stream_handle.read_some.overload1 read_some]``(
+      const MutableBufferSequence & buffers);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_stream_handle.read_some.overload1 more...]]``
+
+  template<
+      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
+  std::size_t ``[link asio.reference.windows__basic_stream_handle.read_some.overload2 read_some]``(
+      const MutableBufferSequence & buffers,
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_stream_handle.read_some.overload2 more...]]``
+
+
+[section:overload1 windows::basic_stream_handle::read_some (1 of 2 overloads)]
+
+
+Read some data from the handle. 
+
+
+  template<
+      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
+  std::size_t read_some(
+      const MutableBufferSequence & buffers);
+
+
+This function is used to read data from the stream handle. The function call will block until one or more bytes of data has been read successfully, or until an error occurs.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[buffers][One or more buffers into which the data will be read.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes read.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. An error code of `asio::error::eof` indicates that the connection was closed by the peer.]]
+
+]
+
+
+[heading Remarks]
+      
+The read\_some operation may not read all of the requested number of bytes. Consider using the [link asio.reference.read `read`]  function if you need to ensure that the requested amount of data is read before the blocking operation completes.
+
+
+[heading Example]
+  
+To read into a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
+
+   handle.read_some(asio::buffer(data, size));
+
+
+See the [link asio.reference.buffer `buffer`]  documentation for information on reading into multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 windows::basic_stream_handle::read_some (2 of 2 overloads)]
+
+
+Read some data from the handle. 
+
+
+  template<
+      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
+  std::size_t read_some(
+      const MutableBufferSequence & buffers,
+      asio::error_code & ec);
+
+
+This function is used to read data from the stream handle. The function call will block until one or more bytes of data has been read successfully, or until an error occurs.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[buffers][One or more buffers into which the data will be read.]]
+
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes read. Returns 0 if an error occurred.
+
+
+[heading Remarks]
+      
+The read\_some operation may not read all of the requested number of bytes. Consider using the [link asio.reference.read `read`]  function if you need to ensure that the requested amount of data is read before the blocking operation completes. 
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+[section:write_some windows::basic_stream_handle::write_some]
+
+[indexterm2 asio.indexterm.windows__basic_stream_handle.write_some..write_some..windows::basic_stream_handle] 
+Write some data to the handle. 
+
+
+  template<
+      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
+  std::size_t ``[link asio.reference.windows__basic_stream_handle.write_some.overload1 write_some]``(
+      const ConstBufferSequence & buffers);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_stream_handle.write_some.overload1 more...]]``
+
+  template<
+      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
+  std::size_t ``[link asio.reference.windows__basic_stream_handle.write_some.overload2 write_some]``(
+      const ConstBufferSequence & buffers,
+      asio::error_code & ec);
+  ``  [''''&raquo;''' [link asio.reference.windows__basic_stream_handle.write_some.overload2 more...]]``
+
+
+[section:overload1 windows::basic_stream_handle::write_some (1 of 2 overloads)]
+
+
+Write some data to the handle. 
+
+
+  template<
+      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
+  std::size_t write_some(
+      const ConstBufferSequence & buffers);
+
+
+This function is used to write data to the stream handle. The function call will block until one or more bytes of the data has been written successfully, or until an error occurs.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[buffers][One or more data buffers to be written to the handle.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes written.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. An error code of `asio::error::eof` indicates that the connection was closed by the peer.]]
+
+]
+
+
+[heading Remarks]
+      
+The write\_some operation may not transmit all of the data to the peer. Consider using the [link asio.reference.write `write`]  function if you need to ensure that all data is written before the blocking operation completes.
+
+
+[heading Example]
+  
+To write a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
+
+   handle.write_some(asio::buffer(data, size));
+
+
+See the [link asio.reference.buffer `buffer`]  documentation for information on writing multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
+
+
+
+
+[endsect]
+
+
+
+[section:overload2 windows::basic_stream_handle::write_some (2 of 2 overloads)]
+
+
+Write some data to the handle. 
+
+
+  template<
+      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
+  std::size_t write_some(
+      const ConstBufferSequence & buffers,
+      asio::error_code & ec);
+
+
+This function is used to write data to the stream handle. The function call will block until one or more bytes of the data has been written successfully, or until an error occurs.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[buffers][One or more data buffers to be written to the handle.]]
+
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes written. Returns 0 if an error occurred.
+
+
+[heading Remarks]
+      
+The write\_some operation may not transmit all of the data to the peer. Consider using the [link asio.reference.write `write`]  function if you need to ensure that all data is written before the blocking operation completes. 
+
+
+
+
+[endsect]
+
+
+[endsect]
+
+
+[endsect]
+
+
+[section:windows__object_handle windows::object_handle]
+
+[indexterm1 asio.indexterm.windows__object_handle..windows::object_handle] 
+Typedef for the typical usage of an object handle. 
+
+
+  typedef basic_object_handle object_handle;
+
+
+[heading Types]
+[table
+  [[Name][Description]]
+
+  [
+
+    [[link asio.reference.windows__basic_object_handle.executor_type [*executor_type]]]
+    [The type of the executor associated with the object. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.windows__basic_object_handle.lowest_layer_type [*lowest_layer_type]]]
+    [An object handle is always the lowest layer. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.windows__basic_object_handle.native_handle_type [*native_handle_type]]]
+    [The native representation of a handle. ]
+  
+  ]
+
+]
+
+[heading Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.windows__basic_object_handle.assign [*assign]]]
+    [Assign an existing native handle to the handle. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_object_handle.async_wait [*async_wait]]]
+    [Start an asynchronous wait on the object handle. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_object_handle.basic_object_handle [*basic_object_handle]]]
+    [Construct an object handle without opening it. 
+     [hr]
+     Construct an object handle on an existing native handle. 
+     [hr]
+     Move-construct an object handle from another. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_object_handle.cancel [*cancel]]]
+    [Cancel all asynchronous operations associated with the handle. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_object_handle.close [*close]]]
+    [Close the handle. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_object_handle.get_executor [*get_executor]]]
+    [Get the executor associated with the object. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_object_handle.is_open [*is_open]]]
+    [Determine whether the handle is open. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_object_handle.lowest_layer [*lowest_layer]]]
+    [Get a reference to the lowest layer. 
+     [hr]
+     Get a const reference to the lowest layer. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_object_handle.native_handle [*native_handle]]]
+    [Get the native handle representation. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_object_handle.operator_eq_ [*operator=]]]
+    [Move-assign an object handle from another. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_object_handle.wait [*wait]]]
+    [Perform a blocking wait on the object handle. ]
+  ]
+  
+]
+
+The [link asio.reference.windows__basic_object_handle `windows::basic_object_handle`] class provides asynchronous and blocking object-oriented handle functionality.
+
+
+[heading Thread Safety]
+  
+['Distinct] ['objects:] Safe.
+
+['Shared] ['objects:] Unsafe. 
+
+
+
+
+[heading Requirements]
+
+['Header: ][^asio/windows/object_handle.hpp]
+
+['Convenience header: ][^asio.hpp]
+
+
+[endsect]
+
+
+
+[section:windows__overlapped_handle windows::overlapped_handle]
+
+[indexterm1 asio.indexterm.windows__overlapped_handle..windows::overlapped_handle] 
+Typedef for the typical usage of an overlapped handle. 
+
+
+  typedef basic_overlapped_handle overlapped_handle;
+
+
+[heading Types]
+[table
+  [[Name][Description]]
+
+  [
+
+    [[link asio.reference.windows__basic_overlapped_handle.executor_type [*executor_type]]]
+    [The type of the executor associated with the object. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.windows__basic_overlapped_handle.lowest_layer_type [*lowest_layer_type]]]
+    [An overlapped_handle is always the lowest layer. ]
+  
+  ]
+
+  [
+
+    [[link asio.reference.windows__basic_overlapped_handle.native_handle_type [*native_handle_type]]]
+    [The native representation of a handle. ]
+  
+  ]
+
+]
+
+[heading Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.assign [*assign]]]
+    [Assign an existing native handle to the handle. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.basic_overlapped_handle [*basic_overlapped_handle]]]
+    [Construct an overlapped handle without opening it. 
+     [hr]
+     Construct an overlapped handle on an existing native handle. 
+     [hr]
+     Move-construct an overlapped handle from another. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.cancel [*cancel]]]
+    [Cancel all asynchronous operations associated with the handle. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.close [*close]]]
+    [Close the handle. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.get_executor [*get_executor]]]
+    [Get the executor associated with the object. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.is_open [*is_open]]]
+    [Determine whether the handle is open. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.lowest_layer [*lowest_layer]]]
+    [Get a reference to the lowest layer. 
+     [hr]
+     Get a const reference to the lowest layer. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.native_handle [*native_handle]]]
+    [Get the native handle representation. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.operator_eq_ [*operator=]]]
+    [Move-assign an overlapped handle from another. ]
+  ]
+  
+]
+
+[heading Protected Member Functions]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.windows__basic_overlapped_handle._basic_overlapped_handle [*~basic_overlapped_handle]]]
+    [Protected destructor to prevent deletion through this type. ]
+  ]
+  
+]
+
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.windows__basic_overlapped_handle.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
 The [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`] class provides the ability to wrap a Windows handle. The underlying object referred to by the handle must support overlapped I/O.
 
 
@@ -109376,230 +119870,6 @@ The [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`
 [endsect]
 
 
-
-[section:native_handle windows::overlapped_handle::native_handle]
-
-[indexterm2 asio.indexterm.windows__overlapped_handle.native_handle..native_handle..windows::overlapped_handle] 
-Get the native handle representation. 
-
-
-  native_handle_type native_handle();
-
-
-This function may be used to obtain the underlying representation of the handle. This is intended to allow access to native handle functionality that is not otherwise provided. 
-
-
-[endsect]
-
-
-
-[section:native_handle_type windows::overlapped_handle::native_handle_type]
-
-[indexterm2 asio.indexterm.windows__overlapped_handle.native_handle_type..native_handle_type..windows::overlapped_handle] 
-The native representation of a handle. 
-
-
-  typedef implementation_defined native_handle_type;
-
-
-
-[heading Requirements]
-
-['Header: ][^asio/windows/overlapped_handle.hpp]
-
-['Convenience header: ][^asio.hpp]
-
-
-[endsect]
-
-
-
-[section:operator_eq_ windows::overlapped_handle::operator=]
-
-[indexterm2 asio.indexterm.windows__overlapped_handle.operator_eq_..operator=..windows::overlapped_handle] 
-Move-assign an [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`] from another. 
-
-
-  overlapped_handle & operator=(
-      overlapped_handle && other);
-
-
-This assignment operator moves a handle from one object to another.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[other][The other [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`] object from which the move will occur.]]
-
-]
-
-
-[heading Remarks]
-      
-Following the move, the moved-from object is in the same state as if constructed using the `overlapped_handle(io_context&) constructor`. 
-
-
-
-
-[endsect]
-
-
-[section:overlapped_handle windows::overlapped_handle::overlapped_handle]
-
-[indexterm2 asio.indexterm.windows__overlapped_handle.overlapped_handle..overlapped_handle..windows::overlapped_handle] 
-Construct an [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`] without opening it. 
-
-
-  explicit ``[link asio.reference.windows__overlapped_handle.overlapped_handle.overload1 overlapped_handle]``(
-      asio::io_context & io_context);
-  ``  [''''&raquo;''' [link asio.reference.windows__overlapped_handle.overlapped_handle.overload1 more...]]``
-
-
-Construct an [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`] on an existing native handle. 
-
-
-  ``[link asio.reference.windows__overlapped_handle.overlapped_handle.overload2 overlapped_handle]``(
-      asio::io_context & io_context,
-      const native_handle_type & handle);
-  ``  [''''&raquo;''' [link asio.reference.windows__overlapped_handle.overlapped_handle.overload2 more...]]``
-
-
-Move-construct an [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`] from another. 
-
-
-  ``[link asio.reference.windows__overlapped_handle.overlapped_handle.overload3 overlapped_handle]``(
-      overlapped_handle && other);
-  ``  [''''&raquo;''' [link asio.reference.windows__overlapped_handle.overlapped_handle.overload3 more...]]``
-
-
-[section:overload1 windows::overlapped_handle::overlapped_handle (1 of 3 overloads)]
-
-
-Construct an [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`] without opening it. 
-
-
-  overlapped_handle(
-      asio::io_context & io_context);
-
-
-This constructor creates a handle without opening it.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[io_context][The [link asio.reference.io_context `io_context`] object that the handle will use to dispatch handlers for any asynchronous operations performed on the handle. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 windows::overlapped_handle::overlapped_handle (2 of 3 overloads)]
-
-
-Construct an [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`] on an existing native handle. 
-
-
-  overlapped_handle(
-      asio::io_context & io_context,
-      const native_handle_type & handle);
-
-
-This constructor creates a handle object to hold an existing native handle.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[io_context][The [link asio.reference.io_context `io_context`] object that the handle will use to dispatch handlers for any asynchronous operations performed on the handle.]]
-
-[[handle][A native handle.]]
-
-]
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload3 windows::overlapped_handle::overlapped_handle (3 of 3 overloads)]
-
-
-Move-construct an [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`] from another. 
-
-
-  overlapped_handle(
-      overlapped_handle && other);
-
-
-This constructor moves a handle from one object to another.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[other][The other [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`] object from which the move will occur.]]
-
-]
-
-
-[heading Remarks]
-      
-Following the move, the moved-from object is in the same state as if constructed using the `overlapped_handle(io_context&) constructor`. 
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[section:_overlapped_handle windows::overlapped_handle::~overlapped_handle]
-
-[indexterm2 asio.indexterm.windows__overlapped_handle._overlapped_handle..~overlapped_handle..windows::overlapped_handle] 
-Protected destructor to prevent deletion through this type. 
-
-
-  ~overlapped_handle();
-
-
-This function destroys the handle, cancelling any outstanding asynchronous wait operations associated with the handle as if by calling `cancel`. 
-
-
-[endsect]
-
-
-
-[endsect]
-
 [section:windows__overlapped_ptr windows::overlapped_ptr]
 
 
@@ -109627,7 +119897,7 @@ Wraps a handler to create an OVERLAPPED object for use with overlapped I/O.
   [
     [[link asio.reference.windows__overlapped_ptr.overlapped_ptr [*overlapped_ptr]]]
     [Construct an empty overlapped_ptr. 
-
+     [hr]
      Construct an overlapped_ptr to contain the specified handler. ]
   ]
   
@@ -109639,7 +119909,7 @@ Wraps a handler to create an OVERLAPPED object for use with overlapped I/O.
   [
     [[link asio.reference.windows__overlapped_ptr.reset [*reset]]]
     [Reset to empty. 
-
+     [hr]
      Reset to contain the specified handler, freeing any current OVERLAPPED object. ]
   ]
   
@@ -109739,14 +120009,25 @@ Construct an [link asio.reference.windows__overlapped_ptr `windows::overlapped_p
 
 
   template<
+      typename ExecutionContext,
       typename ``[link asio.reference.Handler Handler]``>
   explicit ``[link asio.reference.windows__overlapped_ptr.overlapped_ptr.overload2 overlapped_ptr]``(
-      asio::io_context & io_context,
-      Handler && handler);
+      ExecutionContext & context,
+      Handler && handler,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.windows__overlapped_ptr.overlapped_ptr.overload2 more...]]``
 
+  template<
+      typename ``[link asio.reference.Executor1 Executor]``,
+      typename ``[link asio.reference.Handler Handler]``>
+  explicit ``[link asio.reference.windows__overlapped_ptr.overlapped_ptr.overload3 overlapped_ptr]``(
+      const Executor & ex,
+      Handler && handler,
+      typename enable_if< is_executor< Executor >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.windows__overlapped_ptr.overlapped_ptr.overload3 more...]]``
 
-[section:overload1 windows::overlapped_ptr::overlapped_ptr (1 of 2 overloads)]
+
+[section:overload1 windows::overlapped_ptr::overlapped_ptr (1 of 3 overloads)]
 
 
 Construct an empty [link asio.reference.windows__overlapped_ptr `windows::overlapped_ptr`]. 
@@ -109760,17 +120041,39 @@ Construct an empty [link asio.reference.windows__overlapped_ptr `windows::overla
 
 
 
-[section:overload2 windows::overlapped_ptr::overlapped_ptr (2 of 2 overloads)]
+[section:overload2 windows::overlapped_ptr::overlapped_ptr (2 of 3 overloads)]
 
 
 Construct an [link asio.reference.windows__overlapped_ptr `windows::overlapped_ptr`] to contain the specified handler. 
 
 
   template<
+      typename ExecutionContext,
       typename ``[link asio.reference.Handler Handler]``>
   overlapped_ptr(
-      asio::io_context & io_context,
-      Handler && handler);
+      ExecutionContext & context,
+      Handler && handler,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+
+[endsect]
+
+
+
+[section:overload3 windows::overlapped_ptr::overlapped_ptr (3 of 3 overloads)]
+
+
+Construct an [link asio.reference.windows__overlapped_ptr `windows::overlapped_ptr`] to contain the specified handler. 
+
+
+  template<
+      typename ``[link asio.reference.Executor1 Executor]``,
+      typename ``[link asio.reference.Handler Handler]``>
+  overlapped_ptr(
+      const Executor & ex,
+      Handler && handler,
+      typename enable_if< is_executor< Executor >::value >::type *  = 0);
 
 
 
@@ -109807,14 +120110,25 @@ Reset to contain the specified handler, freeing any current OVERLAPPED object.
 
 
   template<
+      typename ExecutionContext,
       typename ``[link asio.reference.Handler Handler]``>
   void ``[link asio.reference.windows__overlapped_ptr.reset.overload2 reset]``(
-      asio::io_context & io_context,
-      Handler && handler);
+      ExecutionContext & context,
+      Handler && handler,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.windows__overlapped_ptr.reset.overload2 more...]]``
 
+  template<
+      typename ``[link asio.reference.Executor1 Executor]``,
+      typename ``[link asio.reference.Handler Handler]``>
+  void ``[link asio.reference.windows__overlapped_ptr.reset.overload3 reset]``(
+      const Executor & ex,
+      Handler && handler,
+      typename enable_if< is_executor< Executor >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.windows__overlapped_ptr.reset.overload3 more...]]``
 
-[section:overload1 windows::overlapped_ptr::reset (1 of 2 overloads)]
+
+[section:overload1 windows::overlapped_ptr::reset (1 of 3 overloads)]
 
 
 Reset to empty. 
@@ -109828,17 +120142,39 @@ Reset to empty.
 
 
 
-[section:overload2 windows::overlapped_ptr::reset (2 of 2 overloads)]
+[section:overload2 windows::overlapped_ptr::reset (2 of 3 overloads)]
 
 
 Reset to contain the specified handler, freeing any current OVERLAPPED object. 
 
 
   template<
+      typename ExecutionContext,
       typename ``[link asio.reference.Handler Handler]``>
   void reset(
-      asio::io_context & io_context,
-      Handler && handler);
+      ExecutionContext & context,
+      Handler && handler,
+      typename enable_if< is_convertible< ExecutionContext &, execution_context & >::value >::type *  = 0);
+
+
+
+[endsect]
+
+
+
+[section:overload3 windows::overlapped_ptr::reset (3 of 3 overloads)]
+
+
+Reset to contain the specified handler, freeing any current OVERLAPPED object. 
+
+
+  template<
+      typename ``[link asio.reference.Executor1 Executor]``,
+      typename ``[link asio.reference.Handler Handler]``>
+  void reset(
+      const Executor & ex,
+      Handler && handler,
+      typename enable_if< is_executor< Executor >::value >::type *  = 0);
 
 
 
@@ -109864,14 +120200,14 @@ Destructor automatically frees the OVERLAPPED object unless released.
 
 [endsect]
 
+
 [section:windows__random_access_handle windows::random_access_handle]
 
-
-Provides random-access handle functionality. 
+[indexterm1 asio.indexterm.windows__random_access_handle..windows::random_access_handle] 
+Typedef for the typical usage of a random-access handle. 
 
 
-  class random_access_handle :
-    public windows::overlapped_handle
+  typedef basic_random_access_handle random_access_handle;
 
 
 [heading Types]
@@ -109880,21 +120216,21 @@ Provides random-access handle functionality.
 
   [
 
-    [[link asio.reference.windows__random_access_handle.executor_type [*executor_type]]]
+    [[link asio.reference.windows__basic_random_access_handle.executor_type [*executor_type]]]
     [The type of the executor associated with the object. ]
   
   ]
 
   [
 
-    [[link asio.reference.windows__random_access_handle.lowest_layer_type [*lowest_layer_type]]]
+    [[link asio.reference.windows__basic_random_access_handle.lowest_layer_type [*lowest_layer_type]]]
     [An overlapped_handle is always the lowest layer. ]
   
   ]
 
   [
 
-    [[link asio.reference.windows__random_access_handle.native_handle_type [*native_handle_type]]]
+    [[link asio.reference.windows__basic_random_access_handle.native_handle_type [*native_handle_type]]]
     [The native representation of a handle. ]
   
   ]
@@ -109906,791 +120242,90 @@ Provides random-access handle functionality.
   [[Name][Description]]
 
   [
-    [[link asio.reference.windows__random_access_handle.assign [*assign]]]
+    [[link asio.reference.windows__basic_random_access_handle.assign [*assign]]]
     [Assign an existing native handle to the handle. ]
   ]
   
   [
-    [[link asio.reference.windows__random_access_handle.async_read_some_at [*async_read_some_at]]]
+    [[link asio.reference.windows__basic_random_access_handle.async_read_some_at [*async_read_some_at]]]
     [Start an asynchronous read at the specified offset. ]
   ]
   
   [
-    [[link asio.reference.windows__random_access_handle.async_write_some_at [*async_write_some_at]]]
+    [[link asio.reference.windows__basic_random_access_handle.async_write_some_at [*async_write_some_at]]]
     [Start an asynchronous write at the specified offset. ]
   ]
   
   [
-    [[link asio.reference.windows__random_access_handle.cancel [*cancel]]]
+    [[link asio.reference.windows__basic_random_access_handle.basic_random_access_handle [*basic_random_access_handle]]]
+    [Construct a random-access handle without opening it. 
+     [hr]
+     Construct a random-access handle on an existing native handle. 
+     [hr]
+     Move-construct a random-access handle from another. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_random_access_handle.cancel [*cancel]]]
     [Cancel all asynchronous operations associated with the handle. ]
   ]
   
   [
-    [[link asio.reference.windows__random_access_handle.close [*close]]]
+    [[link asio.reference.windows__basic_random_access_handle.close [*close]]]
     [Close the handle. ]
   ]
   
   [
-    [[link asio.reference.windows__random_access_handle.get_executor [*get_executor]]]
+    [[link asio.reference.windows__basic_random_access_handle.get_executor [*get_executor]]]
     [Get the executor associated with the object. ]
   ]
   
   [
-    [[link asio.reference.windows__random_access_handle.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__random_access_handle.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__random_access_handle.is_open [*is_open]]]
+    [[link asio.reference.windows__basic_random_access_handle.is_open [*is_open]]]
     [Determine whether the handle is open. ]
   ]
   
   [
-    [[link asio.reference.windows__random_access_handle.lowest_layer [*lowest_layer]]]
+    [[link asio.reference.windows__basic_random_access_handle.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
   [
-    [[link asio.reference.windows__random_access_handle.native_handle [*native_handle]]]
+    [[link asio.reference.windows__basic_random_access_handle.native_handle [*native_handle]]]
     [Get the native handle representation. ]
   ]
   
   [
-    [[link asio.reference.windows__random_access_handle.operator_eq_ [*operator=]]]
-    [Move-assign a random_access_handle from another. ]
+    [[link asio.reference.windows__basic_random_access_handle.operator_eq_ [*operator=]]]
+    [Move-assign a random-access handle from another. ]
   ]
   
   [
-    [[link asio.reference.windows__random_access_handle.random_access_handle [*random_access_handle]]]
-    [Construct a random_access_handle without opening it. 
-
-     Construct a random_access_handle on an existing native handle. 
-
-     Move-construct a random_access_handle from another. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__random_access_handle.read_some_at [*read_some_at]]]
+    [[link asio.reference.windows__basic_random_access_handle.read_some_at [*read_some_at]]]
     [Read some data from the handle at the specified offset. ]
   ]
   
   [
-    [[link asio.reference.windows__random_access_handle.write_some_at [*write_some_at]]]
+    [[link asio.reference.windows__basic_random_access_handle.write_some_at [*write_some_at]]]
     [Write some data to the handle at the specified offset. ]
   ]
   
 ]
 
-The [link asio.reference.windows__random_access_handle `windows::random_access_handle`] class provides asynchronous and blocking random-access handle functionality.
-
-
-[heading Thread Safety]
-  
-['Distinct] ['objects:] Safe.
-
-['Shared] ['objects:] Unsafe. 
-
-
-
-[heading Requirements]
-
-['Header: ][^asio/windows/random_access_handle.hpp]
-
-['Convenience header: ][^asio.hpp]
-
-[section:assign windows::random_access_handle::assign]
-
-[indexterm2 asio.indexterm.windows__random_access_handle.assign..assign..windows::random_access_handle] 
-Assign an existing native handle to the handle. 
-
-
-  void ``[link asio.reference.windows__random_access_handle.assign.overload1 assign]``(
-      const native_handle_type & handle);
-  ``  [''''&raquo;''' [link asio.reference.windows__random_access_handle.assign.overload1 more...]]``
-
-  void ``[link asio.reference.windows__random_access_handle.assign.overload2 assign]``(
-      const native_handle_type & handle,
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.windows__random_access_handle.assign.overload2 more...]]``
-
-
-[section:overload1 windows::random_access_handle::assign (1 of 2 overloads)]
-
-
-['Inherited from windows::overlapped_handle.]
-
-
-Assign an existing native handle to the handle. 
-
-
-  void assign(
-      const native_handle_type & handle);
-
-
-
-[endsect]
-
-
-
-[section:overload2 windows::random_access_handle::assign (2 of 2 overloads)]
-
-
-['Inherited from windows::overlapped_handle.]
-
-
-Assign an existing native handle to the handle. 
-
-
-  void assign(
-      const native_handle_type & handle,
-      asio::error_code & ec);
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[section:async_read_some_at windows::random_access_handle::async_read_some_at]
-
-[indexterm2 asio.indexterm.windows__random_access_handle.async_read_some_at..async_read_some_at..windows::random_access_handle] 
-Start an asynchronous read at the specified offset. 
-
-
-  template<
-      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``,
-      typename ``[link asio.reference.ReadHandler ReadHandler]``>
-  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_read_some_at(
-      uint64_t offset,
-      const MutableBufferSequence & buffers,
-      ReadHandler && handler);
-
-
-This function is used to asynchronously read data from the random-access handle. The function call always returns immediately.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[offset][The offset at which the data will be read.]]
-
-[[buffers][One or more buffers into which the data will be read. Although the buffers object may be copied as necessary, ownership of the underlying memory blocks is retained by the caller, which must guarantee that they remain valid until the handler is called.]]
-
-[[handler][The handler to be called when the read operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
-``
-   void handler(
-     const asio::error_code& error, // Result of operation.
-     std::size_t bytes_transferred           // Number of bytes read.
-   ); 
-``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
-
-]
-
-
-[heading Remarks]
-      
-The read operation may not read all of the requested number of bytes. Consider using the [link asio.reference.async_read_at `async_read_at`]  function if you need to ensure that the requested amount of data is read before the asynchronous operation completes.
-
-
-[heading Example]
-  
-To read into a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
-
-   handle.async_read_some_at(42, asio::buffer(data, size), handler);
-
-
-See the [link asio.reference.buffer `buffer`]  documentation for information on reading into multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
-
-
-
-
-[endsect]
-
-
-
-[section:async_write_some_at windows::random_access_handle::async_write_some_at]
-
-[indexterm2 asio.indexterm.windows__random_access_handle.async_write_some_at..async_write_some_at..windows::random_access_handle] 
-Start an asynchronous write at the specified offset. 
-
-
-  template<
-      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``,
-      typename ``[link asio.reference.WriteHandler WriteHandler]``>
-  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_write_some_at(
-      uint64_t offset,
-      const ConstBufferSequence & buffers,
-      WriteHandler && handler);
-
-
-This function is used to asynchronously write data to the random-access handle. The function call always returns immediately.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[offset][The offset at which the data will be written.]]
-
-[[buffers][One or more data buffers to be written to the handle. Although the buffers object may be copied as necessary, ownership of the underlying memory blocks is retained by the caller, which must guarantee that they remain valid until the handler is called.]]
-
-[[handler][The handler to be called when the write operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
-``
-   void handler(
-     const asio::error_code& error, // Result of operation.
-     std::size_t bytes_transferred           // Number of bytes written.
-   ); 
-``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
-
-]
-
-
-[heading Remarks]
-      
-The write operation may not transmit all of the data to the peer. Consider using the [link asio.reference.async_write_at `async_write_at`]  function if you need to ensure that all data is written before the asynchronous operation completes.
-
-
-[heading Example]
-  
-To write a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
-
-   handle.async_write_some_at(42, asio::buffer(data, size), handler);
-
-
-See the [link asio.reference.buffer `buffer`]  documentation for information on writing multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
-
-
-
-
-[endsect]
-
-
-[section:cancel windows::random_access_handle::cancel]
-
-[indexterm2 asio.indexterm.windows__random_access_handle.cancel..cancel..windows::random_access_handle] 
-Cancel all asynchronous operations associated with the handle. 
-
-
-  void ``[link asio.reference.windows__random_access_handle.cancel.overload1 cancel]``();
-  ``  [''''&raquo;''' [link asio.reference.windows__random_access_handle.cancel.overload1 more...]]``
-
-  void ``[link asio.reference.windows__random_access_handle.cancel.overload2 cancel]``(
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.windows__random_access_handle.cancel.overload2 more...]]``
-
-
-[section:overload1 windows::random_access_handle::cancel (1 of 2 overloads)]
-
-
-['Inherited from windows::overlapped_handle.]
-
-
-Cancel all asynchronous operations associated with the handle. 
-
-
-  void cancel();
-
-
-This function causes all outstanding asynchronous read or write operations to finish immediately, and the handlers for cancelled operations will be passed the `asio::error::operation_aborted` error.
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 windows::random_access_handle::cancel (2 of 2 overloads)]
-
-
-['Inherited from windows::overlapped_handle.]
-
-
-Cancel all asynchronous operations associated with the handle. 
-
-
-  void cancel(
-      asio::error_code & ec);
-
-
-This function causes all outstanding asynchronous read or write operations to finish immediately, and the handlers for cancelled operations will be passed the `asio::error::operation_aborted` error.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[ec][Set to indicate what error occurred, if any. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-[section:close windows::random_access_handle::close]
-
-[indexterm2 asio.indexterm.windows__random_access_handle.close..close..windows::random_access_handle] 
-Close the handle. 
-
-
-  void ``[link asio.reference.windows__random_access_handle.close.overload1 close]``();
-  ``  [''''&raquo;''' [link asio.reference.windows__random_access_handle.close.overload1 more...]]``
-
-  void ``[link asio.reference.windows__random_access_handle.close.overload2 close]``(
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.windows__random_access_handle.close.overload2 more...]]``
-
-
-[section:overload1 windows::random_access_handle::close (1 of 2 overloads)]
-
-
-['Inherited from windows::overlapped_handle.]
-
-
-Close the handle. 
-
-
-  void close();
-
-
-This function is used to close the handle. Any asynchronous read or write operations will be cancelled immediately, and will complete with the `asio::error::operation_aborted` error.
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 windows::random_access_handle::close (2 of 2 overloads)]
-
-
-['Inherited from windows::overlapped_handle.]
-
-
-Close the handle. 
-
-
-  void close(
-      asio::error_code & ec);
-
-
-This function is used to close the handle. Any asynchronous read or write operations will be cancelled immediately, and will complete with the `asio::error::operation_aborted` error.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[ec][Set to indicate what error occurred, if any. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[section:executor_type windows::random_access_handle::executor_type]
-
-
-['Inherited from windows::overlapped_handle.]
-
-[indexterm2 asio.indexterm.windows__random_access_handle.executor_type..executor_type..windows::random_access_handle] 
-The type of the executor associated with the object. 
-
-
-  typedef io_context::executor_type executor_type;
-
-
-[heading Member Functions]
+[heading Protected Data Members]
 [table
   [[Name][Description]]
 
   [
-    [[link asio.reference.io_context__executor_type.context [*context]]]
-    [Obtain the underlying execution context. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.defer [*defer]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.dispatch [*dispatch]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_finished [*on_work_finished]]]
-    [Inform the io_context that some work is no longer outstanding. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_started [*on_work_started]]]
-    [Inform the io_context that it has some outstanding work to do. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.post [*post]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.running_in_this_thread [*running_in_this_thread]]]
-    [Determine whether the io_context is running in the current thread. ]
-  ]
-  
-]
-
-[heading Friends]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.operator_not__eq_ [*operator!=]]]
-    [Compare two executors for inequality. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.operator_eq__eq_ [*operator==]]]
-    [Compare two executors for equality. ]
-  ]
-  
-]
-
-
-[heading Requirements]
-
-['Header: ][^asio/windows/random_access_handle.hpp]
-
-['Convenience header: ][^asio.hpp]
-
-
-[endsect]
-
-
-
-[section:get_executor windows::random_access_handle::get_executor]
-
-
-['Inherited from windows::overlapped_handle.]
-
-[indexterm2 asio.indexterm.windows__random_access_handle.get_executor..get_executor..windows::random_access_handle] 
-Get the executor associated with the object. 
-
-
-  executor_type get_executor();
-
-
-
-[endsect]
-
-
-
-[section:get_io_context windows::random_access_handle::get_io_context]
-
-
-['Inherited from windows::overlapped_handle.]
-
-[indexterm2 asio.indexterm.windows__random_access_handle.get_io_context..get_io_context..windows::random_access_handle] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_context();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
-[section:get_io_service windows::random_access_handle::get_io_service]
-
-
-['Inherited from windows::overlapped_handle.]
-
-[indexterm2 asio.indexterm.windows__random_access_handle.get_io_service..get_io_service..windows::random_access_handle] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_service();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
-[section:is_open windows::random_access_handle::is_open]
-
-
-['Inherited from windows::overlapped_handle.]
-
-[indexterm2 asio.indexterm.windows__random_access_handle.is_open..is_open..windows::random_access_handle] 
-Determine whether the handle is open. 
-
-
-  bool is_open() const;
-
-
-
-[endsect]
-
-
-[section:lowest_layer windows::random_access_handle::lowest_layer]
-
-[indexterm2 asio.indexterm.windows__random_access_handle.lowest_layer..lowest_layer..windows::random_access_handle] 
-Get a reference to the lowest layer. 
-
-
-  lowest_layer_type & ``[link asio.reference.windows__random_access_handle.lowest_layer.overload1 lowest_layer]``();
-  ``  [''''&raquo;''' [link asio.reference.windows__random_access_handle.lowest_layer.overload1 more...]]``
-
-
-Get a const reference to the lowest layer. 
-
-
-  const lowest_layer_type & ``[link asio.reference.windows__random_access_handle.lowest_layer.overload2 lowest_layer]``() const;
-  ``  [''''&raquo;''' [link asio.reference.windows__random_access_handle.lowest_layer.overload2 more...]]``
-
-
-[section:overload1 windows::random_access_handle::lowest_layer (1 of 2 overloads)]
-
-
-['Inherited from windows::overlapped_handle.]
-
-
-Get a reference to the lowest layer. 
-
-
-  lowest_layer_type & lowest_layer();
-
-
-This function returns a reference to the lowest layer in a stack of layers. Since an [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`] cannot contain any further layers, it simply returns a reference to itself.
-
-
-[heading Return Value]
-      
-A reference to the lowest layer in the stack of layers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 windows::random_access_handle::lowest_layer (2 of 2 overloads)]
-
-
-['Inherited from windows::overlapped_handle.]
-
-
-Get a const reference to the lowest layer. 
-
-
-  const lowest_layer_type & lowest_layer() const;
-
-
-This function returns a const reference to the lowest layer in a stack of layers. Since an [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`] cannot contain any further layers, it simply returns a reference to itself.
-
-
-[heading Return Value]
-      
-A const reference to the lowest layer in the stack of layers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[section:lowest_layer_type windows::random_access_handle::lowest_layer_type]
-
-
-['Inherited from windows::overlapped_handle.]
-
-[indexterm2 asio.indexterm.windows__random_access_handle.lowest_layer_type..lowest_layer_type..windows::random_access_handle] 
-An [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`] is always the lowest layer. 
-
-
-  typedef overlapped_handle lowest_layer_type;
-
-
-[heading Types]
-[table
-  [[Name][Description]]
-
-  [
-
-    [[link asio.reference.windows__overlapped_handle.executor_type [*executor_type]]]
-    [The type of the executor associated with the object. ]
-  
-  ]
-
-  [
-
-    [[link asio.reference.windows__overlapped_handle.lowest_layer_type [*lowest_layer_type]]]
-    [An overlapped_handle is always the lowest layer. ]
-  
-  ]
-
-  [
-
-    [[link asio.reference.windows__overlapped_handle.native_handle_type [*native_handle_type]]]
-    [The native representation of a handle. ]
-  
+    [[link asio.reference.windows__basic_random_access_handle.impl_ [*impl_]]]
+    []
   ]
 
 ]
 
-[heading Member Functions]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.windows__overlapped_handle.assign [*assign]]]
-    [Assign an existing native handle to the handle. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.cancel [*cancel]]]
-    [Cancel all asynchronous operations associated with the handle. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.close [*close]]]
-    [Close the handle. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.get_executor [*get_executor]]]
-    [Get the executor associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.is_open [*is_open]]]
-    [Determine whether the handle is open. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.lowest_layer [*lowest_layer]]]
-    [Get a reference to the lowest layer. 
-
-     Get a const reference to the lowest layer. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.native_handle [*native_handle]]]
-    [Get the native handle representation. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.operator_eq_ [*operator=]]]
-    [Move-assign an overlapped_handle from another. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.overlapped_handle [*overlapped_handle]]]
-    [Construct an overlapped_handle without opening it. 
-
-     Construct an overlapped_handle on an existing native handle. 
-
-     Move-construct an overlapped_handle from another. ]
-  ]
-  
-]
-
-[heading Protected Member Functions]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.windows__overlapped_handle._overlapped_handle [*~overlapped_handle]]]
-    [Protected destructor to prevent deletion through this type. ]
-  ]
-  
-]
-
-The [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`] class provides the ability to wrap a Windows handle. The underlying object referred to by the handle must support overlapped I/O.
+The [link asio.reference.windows__basic_random_access_handle `windows::basic_random_access_handle`] class provides asynchronous and blocking random-access handle functionality.
 
 
 [heading Thread Safety]
@@ -110713,495 +120348,13 @@ The [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`
 
 
 
-[section:native_handle windows::random_access_handle::native_handle]
-
-
-['Inherited from windows::overlapped_handle.]
-
-[indexterm2 asio.indexterm.windows__random_access_handle.native_handle..native_handle..windows::random_access_handle] 
-Get the native handle representation. 
-
-
-  native_handle_type native_handle();
-
-
-This function may be used to obtain the underlying representation of the handle. This is intended to allow access to native handle functionality that is not otherwise provided. 
-
-
-[endsect]
-
-
-
-[section:native_handle_type windows::random_access_handle::native_handle_type]
-
-
-['Inherited from windows::overlapped_handle.]
-
-[indexterm2 asio.indexterm.windows__random_access_handle.native_handle_type..native_handle_type..windows::random_access_handle] 
-The native representation of a handle. 
-
-
-  typedef implementation_defined native_handle_type;
-
-
-
-[heading Requirements]
-
-['Header: ][^asio/windows/random_access_handle.hpp]
-
-['Convenience header: ][^asio.hpp]
-
-
-[endsect]
-
-
-
-[section:operator_eq_ windows::random_access_handle::operator=]
-
-[indexterm2 asio.indexterm.windows__random_access_handle.operator_eq_..operator=..windows::random_access_handle] 
-Move-assign a [link asio.reference.windows__random_access_handle `windows::random_access_handle`] from another. 
-
-
-  random_access_handle & operator=(
-      random_access_handle && other);
-
-
-This assignment operator moves a random-access handle from one object to another.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[other][The other [link asio.reference.windows__random_access_handle `windows::random_access_handle`] object from which the move will occur.]]
-
-]
-
-
-[heading Remarks]
-      
-Following the move, the moved-from object is in the same state as if constructed using the `random_access_handle(io_context&)` constructor. 
-
-
-
-
-[endsect]
-
-
-[section:random_access_handle windows::random_access_handle::random_access_handle]
-
-[indexterm2 asio.indexterm.windows__random_access_handle.random_access_handle..random_access_handle..windows::random_access_handle] 
-Construct a [link asio.reference.windows__random_access_handle `windows::random_access_handle`] without opening it. 
-
-
-  explicit ``[link asio.reference.windows__random_access_handle.random_access_handle.overload1 random_access_handle]``(
-      asio::io_context & io_context);
-  ``  [''''&raquo;''' [link asio.reference.windows__random_access_handle.random_access_handle.overload1 more...]]``
-
-
-Construct a [link asio.reference.windows__random_access_handle `windows::random_access_handle`] on an existing native handle. 
-
-
-  ``[link asio.reference.windows__random_access_handle.random_access_handle.overload2 random_access_handle]``(
-      asio::io_context & io_context,
-      const native_handle_type & handle);
-  ``  [''''&raquo;''' [link asio.reference.windows__random_access_handle.random_access_handle.overload2 more...]]``
-
-
-Move-construct a [link asio.reference.windows__random_access_handle `windows::random_access_handle`] from another. 
-
-
-  ``[link asio.reference.windows__random_access_handle.random_access_handle.overload3 random_access_handle]``(
-      random_access_handle && other);
-  ``  [''''&raquo;''' [link asio.reference.windows__random_access_handle.random_access_handle.overload3 more...]]``
-
-
-[section:overload1 windows::random_access_handle::random_access_handle (1 of 3 overloads)]
-
-
-Construct a [link asio.reference.windows__random_access_handle `windows::random_access_handle`] without opening it. 
-
-
-  random_access_handle(
-      asio::io_context & io_context);
-
-
-This constructor creates a random-access handle without opening it. The handle needs to be opened before data can be written to or read from it.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[io_context][The [link asio.reference.io_context `io_context`] object that the random-access handle will use to dispatch handlers for any asynchronous operations performed on the handle. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 windows::random_access_handle::random_access_handle (2 of 3 overloads)]
-
-
-Construct a [link asio.reference.windows__random_access_handle `windows::random_access_handle`] on an existing native handle. 
-
-
-  random_access_handle(
-      asio::io_context & io_context,
-      const native_handle_type & handle);
-
-
-This constructor creates a random-access handle object to hold an existing native handle.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[io_context][The [link asio.reference.io_context `io_context`] object that the random-access handle will use to dispatch handlers for any asynchronous operations performed on the handle.]]
-
-[[handle][The new underlying handle implementation.]]
-
-]
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload3 windows::random_access_handle::random_access_handle (3 of 3 overloads)]
-
-
-Move-construct a [link asio.reference.windows__random_access_handle `windows::random_access_handle`] from another. 
-
-
-  random_access_handle(
-      random_access_handle && other);
-
-
-This constructor moves a random-access handle from one object to another.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[other][The other [link asio.reference.windows__random_access_handle `windows::random_access_handle`] object from which the move will occur.]]
-
-]
-
-
-[heading Remarks]
-      
-Following the move, the moved-from object is in the same state as if constructed using the `random_access_handle(io_context&)` constructor. 
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-[section:read_some_at windows::random_access_handle::read_some_at]
-
-[indexterm2 asio.indexterm.windows__random_access_handle.read_some_at..read_some_at..windows::random_access_handle] 
-Read some data from the handle at the specified offset. 
-
-
-  template<
-      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
-  std::size_t ``[link asio.reference.windows__random_access_handle.read_some_at.overload1 read_some_at]``(
-      uint64_t offset,
-      const MutableBufferSequence & buffers);
-  ``  [''''&raquo;''' [link asio.reference.windows__random_access_handle.read_some_at.overload1 more...]]``
-
-  template<
-      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
-  std::size_t ``[link asio.reference.windows__random_access_handle.read_some_at.overload2 read_some_at]``(
-      uint64_t offset,
-      const MutableBufferSequence & buffers,
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.windows__random_access_handle.read_some_at.overload2 more...]]``
-
-
-[section:overload1 windows::random_access_handle::read_some_at (1 of 2 overloads)]
-
-
-Read some data from the handle at the specified offset. 
-
-
-  template<
-      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
-  std::size_t read_some_at(
-      uint64_t offset,
-      const MutableBufferSequence & buffers);
-
-
-This function is used to read data from the random-access handle. The function call will block until one or more bytes of data has been read successfully, or until an error occurs.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[offset][The offset at which the data will be read.]]
-
-[[buffers][One or more buffers into which the data will be read.]]
-
-]
-
-
-[heading Return Value]
-      
-The number of bytes read.
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. An error code of `asio::error::eof` indicates that the connection was closed by the peer.]]
-
-]
-
-
-[heading Remarks]
-      
-The read\_some operation may not read all of the requested number of bytes. Consider using the [link asio.reference.read_at `read_at`]  function if you need to ensure that the requested amount of data is read before the blocking operation completes.
-
-
-[heading Example]
-  
-To read into a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
-
-   handle.read_some_at(42, asio::buffer(data, size));
-
-
-See the [link asio.reference.buffer `buffer`]  documentation for information on reading into multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 windows::random_access_handle::read_some_at (2 of 2 overloads)]
-
-
-Read some data from the handle at the specified offset. 
-
-
-  template<
-      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
-  std::size_t read_some_at(
-      uint64_t offset,
-      const MutableBufferSequence & buffers,
-      asio::error_code & ec);
-
-
-This function is used to read data from the random-access handle. The function call will block until one or more bytes of data has been read successfully, or until an error occurs.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[offset][The offset at which the data will be read.]]
-
-[[buffers][One or more buffers into which the data will be read.]]
-
-[[ec][Set to indicate what error occurred, if any.]]
-
-]
-
-
-[heading Return Value]
-      
-The number of bytes read. Returns 0 if an error occurred.
-
-
-[heading Remarks]
-      
-The read\_some operation may not read all of the requested number of bytes. Consider using the [link asio.reference.read_at `read_at`]  function if you need to ensure that the requested amount of data is read before the blocking operation completes. 
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-[section:write_some_at windows::random_access_handle::write_some_at]
-
-[indexterm2 asio.indexterm.windows__random_access_handle.write_some_at..write_some_at..windows::random_access_handle] 
-Write some data to the handle at the specified offset. 
-
-
-  template<
-      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
-  std::size_t ``[link asio.reference.windows__random_access_handle.write_some_at.overload1 write_some_at]``(
-      uint64_t offset,
-      const ConstBufferSequence & buffers);
-  ``  [''''&raquo;''' [link asio.reference.windows__random_access_handle.write_some_at.overload1 more...]]``
-
-  template<
-      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
-  std::size_t ``[link asio.reference.windows__random_access_handle.write_some_at.overload2 write_some_at]``(
-      uint64_t offset,
-      const ConstBufferSequence & buffers,
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.windows__random_access_handle.write_some_at.overload2 more...]]``
-
-
-[section:overload1 windows::random_access_handle::write_some_at (1 of 2 overloads)]
-
-
-Write some data to the handle at the specified offset. 
-
-
-  template<
-      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
-  std::size_t write_some_at(
-      uint64_t offset,
-      const ConstBufferSequence & buffers);
-
-
-This function is used to write data to the random-access handle. The function call will block until one or more bytes of the data has been written successfully, or until an error occurs.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[offset][The offset at which the data will be written.]]
-
-[[buffers][One or more data buffers to be written to the handle.]]
-
-]
-
-
-[heading Return Value]
-      
-The number of bytes written.
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. An error code of `asio::error::eof` indicates that the connection was closed by the peer.]]
-
-]
-
-
-[heading Remarks]
-      
-The write\_some\_at operation may not write all of the data. Consider using the [link asio.reference.write_at `write_at`]  function if you need to ensure that all data is written before the blocking operation completes.
-
-
-[heading Example]
-  
-To write a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
-
-   handle.write_some_at(42, asio::buffer(data, size));
-
-
-See the [link asio.reference.buffer `buffer`]  documentation for information on writing multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 windows::random_access_handle::write_some_at (2 of 2 overloads)]
-
-
-Write some data to the handle at the specified offset. 
-
-
-  template<
-      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
-  std::size_t write_some_at(
-      uint64_t offset,
-      const ConstBufferSequence & buffers,
-      asio::error_code & ec);
-
-
-This function is used to write data to the random-access handle. The function call will block until one or more bytes of the data has been written successfully, or until an error occurs.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[offset][The offset at which the data will be written.]]
-
-[[buffers][One or more data buffers to be written to the handle.]]
-
-[[ec][Set to indicate what error occurred, if any.]]
-
-]
-
-
-[heading Return Value]
-      
-The number of bytes written. Returns 0 if an error occurred.
-
-
-[heading Remarks]
-      
-The write\_some operation may not transmit all of the data to the peer. Consider using the [link asio.reference.write_at `write_at`]  function if you need to ensure that all data is written before the blocking operation completes. 
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[endsect]
-
 [section:windows__stream_handle windows::stream_handle]
 
-
-Provides stream-oriented handle functionality. 
+[indexterm1 asio.indexterm.windows__stream_handle..windows::stream_handle] 
+Typedef for the typical usage of a stream-oriented handle. 
 
 
-  class stream_handle :
-    public windows::overlapped_handle
+  typedef basic_stream_handle stream_handle;
 
 
 [heading Types]
@@ -111210,21 +120363,21 @@ Provides stream-oriented handle functionality.
 
   [
 
-    [[link asio.reference.windows__stream_handle.executor_type [*executor_type]]]
+    [[link asio.reference.windows__basic_stream_handle.executor_type [*executor_type]]]
     [The type of the executor associated with the object. ]
   
   ]
 
   [
 
-    [[link asio.reference.windows__stream_handle.lowest_layer_type [*lowest_layer_type]]]
+    [[link asio.reference.windows__basic_stream_handle.lowest_layer_type [*lowest_layer_type]]]
     [An overlapped_handle is always the lowest layer. ]
   
   ]
 
   [
 
-    [[link asio.reference.windows__stream_handle.native_handle_type [*native_handle_type]]]
+    [[link asio.reference.windows__basic_stream_handle.native_handle_type [*native_handle_type]]]
     [The native representation of a handle. ]
   
   ]
@@ -111236,89 +120389,90 @@ Provides stream-oriented handle functionality.
   [[Name][Description]]
 
   [
-    [[link asio.reference.windows__stream_handle.assign [*assign]]]
+    [[link asio.reference.windows__basic_stream_handle.assign [*assign]]]
     [Assign an existing native handle to the handle. ]
   ]
   
   [
-    [[link asio.reference.windows__stream_handle.async_read_some [*async_read_some]]]
+    [[link asio.reference.windows__basic_stream_handle.async_read_some [*async_read_some]]]
     [Start an asynchronous read. ]
   ]
   
   [
-    [[link asio.reference.windows__stream_handle.async_write_some [*async_write_some]]]
+    [[link asio.reference.windows__basic_stream_handle.async_write_some [*async_write_some]]]
     [Start an asynchronous write. ]
   ]
   
   [
-    [[link asio.reference.windows__stream_handle.cancel [*cancel]]]
+    [[link asio.reference.windows__basic_stream_handle.basic_stream_handle [*basic_stream_handle]]]
+    [Construct a stream handle without opening it. 
+     [hr]
+     Construct a stream handle on an existing native handle. 
+     [hr]
+     Move-construct a stream handle from another. ]
+  ]
+  
+  [
+    [[link asio.reference.windows__basic_stream_handle.cancel [*cancel]]]
     [Cancel all asynchronous operations associated with the handle. ]
   ]
   
   [
-    [[link asio.reference.windows__stream_handle.close [*close]]]
+    [[link asio.reference.windows__basic_stream_handle.close [*close]]]
     [Close the handle. ]
   ]
   
   [
-    [[link asio.reference.windows__stream_handle.get_executor [*get_executor]]]
+    [[link asio.reference.windows__basic_stream_handle.get_executor [*get_executor]]]
     [Get the executor associated with the object. ]
   ]
   
   [
-    [[link asio.reference.windows__stream_handle.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__stream_handle.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__stream_handle.is_open [*is_open]]]
+    [[link asio.reference.windows__basic_stream_handle.is_open [*is_open]]]
     [Determine whether the handle is open. ]
   ]
   
   [
-    [[link asio.reference.windows__stream_handle.lowest_layer [*lowest_layer]]]
+    [[link asio.reference.windows__basic_stream_handle.lowest_layer [*lowest_layer]]]
     [Get a reference to the lowest layer. 
-
+     [hr]
      Get a const reference to the lowest layer. ]
   ]
   
   [
-    [[link asio.reference.windows__stream_handle.native_handle [*native_handle]]]
+    [[link asio.reference.windows__basic_stream_handle.native_handle [*native_handle]]]
     [Get the native handle representation. ]
   ]
   
   [
-    [[link asio.reference.windows__stream_handle.operator_eq_ [*operator=]]]
-    [Move-assign a stream_handle from another. ]
+    [[link asio.reference.windows__basic_stream_handle.operator_eq_ [*operator=]]]
+    [Move-assign a stream handle from another. ]
   ]
   
   [
-    [[link asio.reference.windows__stream_handle.read_some [*read_some]]]
+    [[link asio.reference.windows__basic_stream_handle.read_some [*read_some]]]
     [Read some data from the handle. ]
   ]
   
   [
-    [[link asio.reference.windows__stream_handle.stream_handle [*stream_handle]]]
-    [Construct a stream_handle without opening it. 
-
-     Construct a stream_handle on an existing native handle. 
-
-     Move-construct a stream_handle from another. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__stream_handle.write_some [*write_some]]]
+    [[link asio.reference.windows__basic_stream_handle.write_some [*write_some]]]
     [Write some data to the handle. ]
   ]
   
 ]
 
-The [link asio.reference.windows__stream_handle `windows::stream_handle`] class provides asynchronous and blocking stream-oriented handle functionality.
+[heading Protected Data Members]
+[table
+  [[Name][Description]]
+
+  [
+    [[link asio.reference.windows__basic_stream_handle.impl_ [*impl_]]]
+    []
+  ]
+
+]
+
+The [link asio.reference.windows__basic_stream_handle `windows::basic_stream_handle`] class provides asynchronous and blocking stream-oriented handle functionality.
 
 
 [heading Thread Safety]
@@ -111330,406 +120484,6 @@ The [link asio.reference.windows__stream_handle `windows::stream_handle`] class
 
 
 
-[heading Requirements]
-
-['Header: ][^asio/windows/stream_handle.hpp]
-
-['Convenience header: ][^asio.hpp]
-
-[section:assign windows::stream_handle::assign]
-
-[indexterm2 asio.indexterm.windows__stream_handle.assign..assign..windows::stream_handle] 
-Assign an existing native handle to the handle. 
-
-
-  void ``[link asio.reference.windows__stream_handle.assign.overload1 assign]``(
-      const native_handle_type & handle);
-  ``  [''''&raquo;''' [link asio.reference.windows__stream_handle.assign.overload1 more...]]``
-
-  void ``[link asio.reference.windows__stream_handle.assign.overload2 assign]``(
-      const native_handle_type & handle,
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.windows__stream_handle.assign.overload2 more...]]``
-
-
-[section:overload1 windows::stream_handle::assign (1 of 2 overloads)]
-
-
-['Inherited from windows::overlapped_handle.]
-
-
-Assign an existing native handle to the handle. 
-
-
-  void assign(
-      const native_handle_type & handle);
-
-
-
-[endsect]
-
-
-
-[section:overload2 windows::stream_handle::assign (2 of 2 overloads)]
-
-
-['Inherited from windows::overlapped_handle.]
-
-
-Assign an existing native handle to the handle. 
-
-
-  void assign(
-      const native_handle_type & handle,
-      asio::error_code & ec);
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[section:async_read_some windows::stream_handle::async_read_some]
-
-[indexterm2 asio.indexterm.windows__stream_handle.async_read_some..async_read_some..windows::stream_handle] 
-Start an asynchronous read. 
-
-
-  template<
-      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``,
-      typename ``[link asio.reference.ReadHandler ReadHandler]``>
-  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_read_some(
-      const MutableBufferSequence & buffers,
-      ReadHandler && handler);
-
-
-This function is used to asynchronously read data from the stream handle. The function call always returns immediately.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[buffers][One or more buffers into which the data will be read. Although the buffers object may be copied as necessary, ownership of the underlying memory blocks is retained by the caller, which must guarantee that they remain valid until the handler is called.]]
-
-[[handler][The handler to be called when the read operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
-``
-   void handler(
-     const asio::error_code& error, // Result of operation.
-     std::size_t bytes_transferred           // Number of bytes read.
-   ); 
-``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
-
-]
-
-
-[heading Remarks]
-      
-The read operation may not read all of the requested number of bytes. Consider using the [link asio.reference.async_read `async_read`]  function if you need to ensure that the requested amount of data is read before the asynchronous operation completes.
-
-
-[heading Example]
-  
-To read into a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
-
-   handle.async_read_some(asio::buffer(data, size), handler);
-
-
-See the [link asio.reference.buffer `buffer`]  documentation for information on reading into multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
-
-
-
-
-[endsect]
-
-
-
-[section:async_write_some windows::stream_handle::async_write_some]
-
-[indexterm2 asio.indexterm.windows__stream_handle.async_write_some..async_write_some..windows::stream_handle] 
-Start an asynchronous write. 
-
-
-  template<
-      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``,
-      typename ``[link asio.reference.WriteHandler WriteHandler]``>
-  ``[link asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type ['DEDUCED]]`` async_write_some(
-      const ConstBufferSequence & buffers,
-      WriteHandler && handler);
-
-
-This function is used to asynchronously write data to the stream handle. The function call always returns immediately.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[buffers][One or more data buffers to be written to the handle. Although the buffers object may be copied as necessary, ownership of the underlying memory blocks is retained by the caller, which must guarantee that they remain valid until the handler is called.]]
-
-[[handler][The handler to be called when the write operation completes. Copies will be made of the handler as required. The function signature of the handler must be: 
-``
-   void handler(
-     const asio::error_code& error, // Result of operation.
-     std::size_t bytes_transferred           // Number of bytes written.
-   ); 
-``
-Regardless of whether the asynchronous operation completes immediately or not, the handler will not be invoked from within this function. Invocation of the handler will be performed in a manner equivalent to using `asio::io_context::post()`.]]
-
-]
-
-
-[heading Remarks]
-      
-The write operation may not transmit all of the data to the peer. Consider using the [link asio.reference.async_write `async_write`]  function if you need to ensure that all data is written before the asynchronous operation completes.
-
-
-[heading Example]
-  
-To write a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
-
-   handle.async_write_some(asio::buffer(data, size), handler);
-
-
-See the [link asio.reference.buffer `buffer`]  documentation for information on writing multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
-
-
-
-
-[endsect]
-
-
-[section:cancel windows::stream_handle::cancel]
-
-[indexterm2 asio.indexterm.windows__stream_handle.cancel..cancel..windows::stream_handle] 
-Cancel all asynchronous operations associated with the handle. 
-
-
-  void ``[link asio.reference.windows__stream_handle.cancel.overload1 cancel]``();
-  ``  [''''&raquo;''' [link asio.reference.windows__stream_handle.cancel.overload1 more...]]``
-
-  void ``[link asio.reference.windows__stream_handle.cancel.overload2 cancel]``(
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.windows__stream_handle.cancel.overload2 more...]]``
-
-
-[section:overload1 windows::stream_handle::cancel (1 of 2 overloads)]
-
-
-['Inherited from windows::overlapped_handle.]
-
-
-Cancel all asynchronous operations associated with the handle. 
-
-
-  void cancel();
-
-
-This function causes all outstanding asynchronous read or write operations to finish immediately, and the handlers for cancelled operations will be passed the `asio::error::operation_aborted` error.
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 windows::stream_handle::cancel (2 of 2 overloads)]
-
-
-['Inherited from windows::overlapped_handle.]
-
-
-Cancel all asynchronous operations associated with the handle. 
-
-
-  void cancel(
-      asio::error_code & ec);
-
-
-This function causes all outstanding asynchronous read or write operations to finish immediately, and the handlers for cancelled operations will be passed the `asio::error::operation_aborted` error.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[ec][Set to indicate what error occurred, if any. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-[section:close windows::stream_handle::close]
-
-[indexterm2 asio.indexterm.windows__stream_handle.close..close..windows::stream_handle] 
-Close the handle. 
-
-
-  void ``[link asio.reference.windows__stream_handle.close.overload1 close]``();
-  ``  [''''&raquo;''' [link asio.reference.windows__stream_handle.close.overload1 more...]]``
-
-  void ``[link asio.reference.windows__stream_handle.close.overload2 close]``(
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.windows__stream_handle.close.overload2 more...]]``
-
-
-[section:overload1 windows::stream_handle::close (1 of 2 overloads)]
-
-
-['Inherited from windows::overlapped_handle.]
-
-
-Close the handle. 
-
-
-  void close();
-
-
-This function is used to close the handle. Any asynchronous read or write operations will be cancelled immediately, and will complete with the `asio::error::operation_aborted` error.
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 windows::stream_handle::close (2 of 2 overloads)]
-
-
-['Inherited from windows::overlapped_handle.]
-
-
-Close the handle. 
-
-
-  void close(
-      asio::error_code & ec);
-
-
-This function is used to close the handle. Any asynchronous read or write operations will be cancelled immediately, and will complete with the `asio::error::operation_aborted` error.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[ec][Set to indicate what error occurred, if any. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[section:executor_type windows::stream_handle::executor_type]
-
-
-['Inherited from windows::overlapped_handle.]
-
-[indexterm2 asio.indexterm.windows__stream_handle.executor_type..executor_type..windows::stream_handle] 
-The type of the executor associated with the object. 
-
-
-  typedef io_context::executor_type executor_type;
-
-
-[heading Member Functions]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.context [*context]]]
-    [Obtain the underlying execution context. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.defer [*defer]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.dispatch [*dispatch]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_finished [*on_work_finished]]]
-    [Inform the io_context that some work is no longer outstanding. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.on_work_started [*on_work_started]]]
-    [Inform the io_context that it has some outstanding work to do. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.post [*post]]]
-    [Request the io_context to invoke the given function object. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.running_in_this_thread [*running_in_this_thread]]]
-    [Determine whether the io_context is running in the current thread. ]
-  ]
-  
-]
-
-[heading Friends]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.io_context__executor_type.operator_not__eq_ [*operator!=]]]
-    [Compare two executors for inequality. ]
-  ]
-  
-  [
-    [[link asio.reference.io_context__executor_type.operator_eq__eq_ [*operator==]]]
-    [Compare two executors for equality. ]
-  ]
-  
-]
-
 
 [heading Requirements]
 
@@ -111741,774 +120495,14 @@ The type of the executor associated with the object.
 [endsect]
 
 
-
-[section:get_executor windows::stream_handle::get_executor]
-
-
-['Inherited from windows::overlapped_handle.]
-
-[indexterm2 asio.indexterm.windows__stream_handle.get_executor..get_executor..windows::stream_handle] 
-Get the executor associated with the object. 
-
-
-  executor_type get_executor();
-
-
-
-[endsect]
-
-
-
-[section:get_io_context windows::stream_handle::get_io_context]
-
-
-['Inherited from windows::overlapped_handle.]
-
-[indexterm2 asio.indexterm.windows__stream_handle.get_io_context..get_io_context..windows::stream_handle] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_context();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
-[section:get_io_service windows::stream_handle::get_io_service]
-
-
-['Inherited from windows::overlapped_handle.]
-
-[indexterm2 asio.indexterm.windows__stream_handle.get_io_service..get_io_service..windows::stream_handle] 
-(Deprecated: Use `get_executor()`.) Get the [link asio.reference.io_context `io_context`] associated with the object. 
-
-
-  asio::io_context & get_io_service();
-
-
-This function may be used to obtain the [link asio.reference.io_context `io_context`] object that the I/O object uses to dispatch handlers for asynchronous operations.
-
-
-[heading Return Value]
-      
-A reference to the [link asio.reference.io_context `io_context`] object that the I/O object will use to dispatch handlers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
-[section:is_open windows::stream_handle::is_open]
-
-
-['Inherited from windows::overlapped_handle.]
-
-[indexterm2 asio.indexterm.windows__stream_handle.is_open..is_open..windows::stream_handle] 
-Determine whether the handle is open. 
-
-
-  bool is_open() const;
-
-
-
-[endsect]
-
-
-[section:lowest_layer windows::stream_handle::lowest_layer]
-
-[indexterm2 asio.indexterm.windows__stream_handle.lowest_layer..lowest_layer..windows::stream_handle] 
-Get a reference to the lowest layer. 
-
-
-  lowest_layer_type & ``[link asio.reference.windows__stream_handle.lowest_layer.overload1 lowest_layer]``();
-  ``  [''''&raquo;''' [link asio.reference.windows__stream_handle.lowest_layer.overload1 more...]]``
-
-
-Get a const reference to the lowest layer. 
-
-
-  const lowest_layer_type & ``[link asio.reference.windows__stream_handle.lowest_layer.overload2 lowest_layer]``() const;
-  ``  [''''&raquo;''' [link asio.reference.windows__stream_handle.lowest_layer.overload2 more...]]``
-
-
-[section:overload1 windows::stream_handle::lowest_layer (1 of 2 overloads)]
-
-
-['Inherited from windows::overlapped_handle.]
-
-
-Get a reference to the lowest layer. 
-
-
-  lowest_layer_type & lowest_layer();
-
-
-This function returns a reference to the lowest layer in a stack of layers. Since an [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`] cannot contain any further layers, it simply returns a reference to itself.
-
-
-[heading Return Value]
-      
-A reference to the lowest layer in the stack of layers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 windows::stream_handle::lowest_layer (2 of 2 overloads)]
-
-
-['Inherited from windows::overlapped_handle.]
-
-
-Get a const reference to the lowest layer. 
-
-
-  const lowest_layer_type & lowest_layer() const;
-
-
-This function returns a const reference to the lowest layer in a stack of layers. Since an [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`] cannot contain any further layers, it simply returns a reference to itself.
-
-
-[heading Return Value]
-      
-A const reference to the lowest layer in the stack of layers. Ownership is not transferred to the caller. 
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[section:lowest_layer_type windows::stream_handle::lowest_layer_type]
-
-
-['Inherited from windows::overlapped_handle.]
-
-[indexterm2 asio.indexterm.windows__stream_handle.lowest_layer_type..lowest_layer_type..windows::stream_handle] 
-An [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`] is always the lowest layer. 
-
-
-  typedef overlapped_handle lowest_layer_type;
-
-
-[heading Types]
-[table
-  [[Name][Description]]
-
-  [
-
-    [[link asio.reference.windows__overlapped_handle.executor_type [*executor_type]]]
-    [The type of the executor associated with the object. ]
-  
-  ]
-
-  [
-
-    [[link asio.reference.windows__overlapped_handle.lowest_layer_type [*lowest_layer_type]]]
-    [An overlapped_handle is always the lowest layer. ]
-  
-  ]
-
-  [
-
-    [[link asio.reference.windows__overlapped_handle.native_handle_type [*native_handle_type]]]
-    [The native representation of a handle. ]
-  
-  ]
-
-]
-
-[heading Member Functions]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.windows__overlapped_handle.assign [*assign]]]
-    [Assign an existing native handle to the handle. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.cancel [*cancel]]]
-    [Cancel all asynchronous operations associated with the handle. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.close [*close]]]
-    [Close the handle. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.get_executor [*get_executor]]]
-    [Get the executor associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.get_io_context [*get_io_context]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.get_io_service [*get_io_service]]]
-    [(Deprecated: Use get_executor().) Get the io_context associated with the object. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.is_open [*is_open]]]
-    [Determine whether the handle is open. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.lowest_layer [*lowest_layer]]]
-    [Get a reference to the lowest layer. 
-
-     Get a const reference to the lowest layer. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.native_handle [*native_handle]]]
-    [Get the native handle representation. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.operator_eq_ [*operator=]]]
-    [Move-assign an overlapped_handle from another. ]
-  ]
-  
-  [
-    [[link asio.reference.windows__overlapped_handle.overlapped_handle [*overlapped_handle]]]
-    [Construct an overlapped_handle without opening it. 
-
-     Construct an overlapped_handle on an existing native handle. 
-
-     Move-construct an overlapped_handle from another. ]
-  ]
-  
-]
-
-[heading Protected Member Functions]
-[table
-  [[Name][Description]]
-
-  [
-    [[link asio.reference.windows__overlapped_handle._overlapped_handle [*~overlapped_handle]]]
-    [Protected destructor to prevent deletion through this type. ]
-  ]
-  
-]
-
-The [link asio.reference.windows__overlapped_handle `windows::overlapped_handle`] class provides the ability to wrap a Windows handle. The underlying object referred to by the handle must support overlapped I/O.
-
-
-[heading Thread Safety]
-  
-['Distinct] ['objects:] Safe.
-
-['Shared] ['objects:] Unsafe. 
-
-
-
-
-[heading Requirements]
-
-['Header: ][^asio/windows/stream_handle.hpp]
-
-['Convenience header: ][^asio.hpp]
-
-
-[endsect]
-
-
-
-[section:native_handle windows::stream_handle::native_handle]
-
-
-['Inherited from windows::overlapped_handle.]
-
-[indexterm2 asio.indexterm.windows__stream_handle.native_handle..native_handle..windows::stream_handle] 
-Get the native handle representation. 
-
-
-  native_handle_type native_handle();
-
-
-This function may be used to obtain the underlying representation of the handle. This is intended to allow access to native handle functionality that is not otherwise provided. 
-
-
-[endsect]
-
-
-
-[section:native_handle_type windows::stream_handle::native_handle_type]
-
-
-['Inherited from windows::overlapped_handle.]
-
-[indexterm2 asio.indexterm.windows__stream_handle.native_handle_type..native_handle_type..windows::stream_handle] 
-The native representation of a handle. 
-
-
-  typedef implementation_defined native_handle_type;
-
-
-
-[heading Requirements]
-
-['Header: ][^asio/windows/stream_handle.hpp]
-
-['Convenience header: ][^asio.hpp]
-
-
-[endsect]
-
-
-
-[section:operator_eq_ windows::stream_handle::operator=]
-
-[indexterm2 asio.indexterm.windows__stream_handle.operator_eq_..operator=..windows::stream_handle] 
-Move-assign a [link asio.reference.windows__stream_handle `windows::stream_handle`] from another. 
-
-
-  stream_handle & operator=(
-      stream_handle && other);
-
-
-This assignment operator moves a stream handle from one object to another.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[other][The other [link asio.reference.windows__stream_handle `windows::stream_handle`] object from which the move will occur.]]
-
-]
-
-
-[heading Remarks]
-      
-Following the move, the moved-from object is in the same state as if constructed using the `stream_handle(io_context&) constructor`. 
-
-
-
-
-[endsect]
-
-
-[section:read_some windows::stream_handle::read_some]
-
-[indexterm2 asio.indexterm.windows__stream_handle.read_some..read_some..windows::stream_handle] 
-Read some data from the handle. 
-
-
-  template<
-      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
-  std::size_t ``[link asio.reference.windows__stream_handle.read_some.overload1 read_some]``(
-      const MutableBufferSequence & buffers);
-  ``  [''''&raquo;''' [link asio.reference.windows__stream_handle.read_some.overload1 more...]]``
-
-  template<
-      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
-  std::size_t ``[link asio.reference.windows__stream_handle.read_some.overload2 read_some]``(
-      const MutableBufferSequence & buffers,
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.windows__stream_handle.read_some.overload2 more...]]``
-
-
-[section:overload1 windows::stream_handle::read_some (1 of 2 overloads)]
-
-
-Read some data from the handle. 
-
-
-  template<
-      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
-  std::size_t read_some(
-      const MutableBufferSequence & buffers);
-
-
-This function is used to read data from the stream handle. The function call will block until one or more bytes of data has been read successfully, or until an error occurs.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[buffers][One or more buffers into which the data will be read.]]
-
-]
-
-
-[heading Return Value]
-      
-The number of bytes read.
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. An error code of `asio::error::eof` indicates that the connection was closed by the peer.]]
-
-]
-
-
-[heading Remarks]
-      
-The read\_some operation may not read all of the requested number of bytes. Consider using the [link asio.reference.read `read`]  function if you need to ensure that the requested amount of data is read before the blocking operation completes.
-
-
-[heading Example]
-  
-To read into a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
-
-   handle.read_some(asio::buffer(data, size));
-
-
-See the [link asio.reference.buffer `buffer`]  documentation for information on reading into multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 windows::stream_handle::read_some (2 of 2 overloads)]
-
-
-Read some data from the handle. 
-
-
-  template<
-      typename ``[link asio.reference.MutableBufferSequence MutableBufferSequence]``>
-  std::size_t read_some(
-      const MutableBufferSequence & buffers,
-      asio::error_code & ec);
-
-
-This function is used to read data from the stream handle. The function call will block until one or more bytes of data has been read successfully, or until an error occurs.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[buffers][One or more buffers into which the data will be read.]]
-
-[[ec][Set to indicate what error occurred, if any.]]
-
-]
-
-
-[heading Return Value]
-      
-The number of bytes read. Returns 0 if an error occurred.
-
-
-[heading Remarks]
-      
-The read\_some operation may not read all of the requested number of bytes. Consider using the [link asio.reference.read `read`]  function if you need to ensure that the requested amount of data is read before the blocking operation completes. 
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-[section:stream_handle windows::stream_handle::stream_handle]
-
-[indexterm2 asio.indexterm.windows__stream_handle.stream_handle..stream_handle..windows::stream_handle] 
-Construct a [link asio.reference.windows__stream_handle `windows::stream_handle`] without opening it. 
-
-
-  explicit ``[link asio.reference.windows__stream_handle.stream_handle.overload1 stream_handle]``(
-      asio::io_context & io_context);
-  ``  [''''&raquo;''' [link asio.reference.windows__stream_handle.stream_handle.overload1 more...]]``
-
-
-Construct a [link asio.reference.windows__stream_handle `windows::stream_handle`] on an existing native handle. 
-
-
-  ``[link asio.reference.windows__stream_handle.stream_handle.overload2 stream_handle]``(
-      asio::io_context & io_context,
-      const native_handle_type & handle);
-  ``  [''''&raquo;''' [link asio.reference.windows__stream_handle.stream_handle.overload2 more...]]``
-
-
-Move-construct a [link asio.reference.windows__stream_handle `windows::stream_handle`] from another. 
-
-
-  ``[link asio.reference.windows__stream_handle.stream_handle.overload3 stream_handle]``(
-      stream_handle && other);
-  ``  [''''&raquo;''' [link asio.reference.windows__stream_handle.stream_handle.overload3 more...]]``
-
-
-[section:overload1 windows::stream_handle::stream_handle (1 of 3 overloads)]
-
-
-Construct a [link asio.reference.windows__stream_handle `windows::stream_handle`] without opening it. 
-
-
-  stream_handle(
-      asio::io_context & io_context);
-
-
-This constructor creates a stream handle without opening it. The handle needs to be opened and then connected or accepted before data can be sent or received on it.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[io_context][The [link asio.reference.io_context `io_context`] object that the stream handle will use to dispatch handlers for any asynchronous operations performed on the handle. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 windows::stream_handle::stream_handle (2 of 3 overloads)]
-
-
-Construct a [link asio.reference.windows__stream_handle `windows::stream_handle`] on an existing native handle. 
-
-
-  stream_handle(
-      asio::io_context & io_context,
-      const native_handle_type & handle);
-
-
-This constructor creates a stream handle object to hold an existing native handle.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[io_context][The [link asio.reference.io_context `io_context`] object that the stream handle will use to dispatch handlers for any asynchronous operations performed on the handle.]]
-
-[[handle][The new underlying handle implementation.]]
-
-]
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. ]]
-
-]
-
-
-
-
-[endsect]
-
-
-
-[section:overload3 windows::stream_handle::stream_handle (3 of 3 overloads)]
-
-
-Move-construct a [link asio.reference.windows__stream_handle `windows::stream_handle`] from another. 
-
-
-  stream_handle(
-      stream_handle && other);
-
-
-This constructor moves a stream handle from one object to another.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[other][The other [link asio.reference.windows__stream_handle `windows::stream_handle`] object from which the move will occur.]]
-
-]
-
-
-[heading Remarks]
-      
-Following the move, the moved-from object is in the same state as if constructed using the `stream_handle(io_context&) constructor`. 
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-[section:write_some windows::stream_handle::write_some]
-
-[indexterm2 asio.indexterm.windows__stream_handle.write_some..write_some..windows::stream_handle] 
-Write some data to the handle. 
-
-
-  template<
-      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
-  std::size_t ``[link asio.reference.windows__stream_handle.write_some.overload1 write_some]``(
-      const ConstBufferSequence & buffers);
-  ``  [''''&raquo;''' [link asio.reference.windows__stream_handle.write_some.overload1 more...]]``
-
-  template<
-      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
-  std::size_t ``[link asio.reference.windows__stream_handle.write_some.overload2 write_some]``(
-      const ConstBufferSequence & buffers,
-      asio::error_code & ec);
-  ``  [''''&raquo;''' [link asio.reference.windows__stream_handle.write_some.overload2 more...]]``
-
-
-[section:overload1 windows::stream_handle::write_some (1 of 2 overloads)]
-
-
-Write some data to the handle. 
-
-
-  template<
-      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
-  std::size_t write_some(
-      const ConstBufferSequence & buffers);
-
-
-This function is used to write data to the stream handle. The function call will block until one or more bytes of the data has been written successfully, or until an error occurs.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[buffers][One or more data buffers to be written to the handle.]]
-
-]
-
-
-[heading Return Value]
-      
-The number of bytes written.
-
-
-[heading Exceptions]
-    
-
-[variablelist
-  
-[[asio::system_error][Thrown on failure. An error code of `asio::error::eof` indicates that the connection was closed by the peer.]]
-
-]
-
-
-[heading Remarks]
-      
-The write\_some operation may not transmit all of the data to the peer. Consider using the [link asio.reference.write `write`]  function if you need to ensure that all data is written before the blocking operation completes.
-
-
-[heading Example]
-  
-To write a single data buffer use the [link asio.reference.buffer `buffer`]  function as follows: 
-
-   handle.write_some(asio::buffer(data, size));
-
-
-See the [link asio.reference.buffer `buffer`]  documentation for information on writing multiple buffers in one go, and how to use it with arrays, boost::array or std::vector. 
-
-
-
-
-[endsect]
-
-
-
-[section:overload2 windows::stream_handle::write_some (2 of 2 overloads)]
-
-
-Write some data to the handle. 
-
-
-  template<
-      typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
-  std::size_t write_some(
-      const ConstBufferSequence & buffers,
-      asio::error_code & ec);
-
-
-This function is used to write data to the stream handle. The function call will block until one or more bytes of the data has been written successfully, or until an error occurs.
-
-
-[heading Parameters]
-    
-
-[variablelist
-  
-[[buffers][One or more data buffers to be written to the handle.]]
-
-[[ec][Set to indicate what error occurred, if any.]]
-
-]
-
-
-[heading Return Value]
-      
-The number of bytes written. Returns 0 if an error occurred.
-
-
-[heading Remarks]
-      
-The write\_some operation may not transmit all of the data to the peer. Consider using the [link asio.reference.write `write`]  function if you need to ensure that all data is written before the blocking operation completes. 
-
-
-
-
-[endsect]
-
-
-[endsect]
-
-
-[endsect]
-
 [section:write write]
 
 [indexterm1 asio.indexterm.write..write] 
-Write a certain amount of data to a stream before returning. 
+The `write` function is a composed operation that writes a certain amount of data to a stream before returning. 
+
+
+Write all of the supplied data to a stream before returning. 
 
-      
   template<
       typename ``[link asio.reference.SyncWriteStream SyncWriteStream]``,
       typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
@@ -112528,6 +120522,8 @@ Write a certain amount of data to a stream before returning.
       typename enable_if< is_const_buffer_sequence< ConstBufferSequence >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.write.overload2 more...]]``
 
+Write a certain amount of data to a stream before returning. 
+
   template<
       typename ``[link asio.reference.SyncWriteStream SyncWriteStream]``,
       typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``,
@@ -112551,48 +120547,54 @@ Write a certain amount of data to a stream before returning.
       typename enable_if< is_const_buffer_sequence< ConstBufferSequence >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.write.overload4 more...]]``
 
+Write all of the supplied data to a stream before returning. 
+
   template<
       typename ``[link asio.reference.SyncWriteStream SyncWriteStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``>
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``>
   std::size_t ``[link asio.reference.write.overload5 write]``(
       SyncWriteStream & s,
-      DynamicBuffer && buffers,
-      typename enable_if< is_dynamic_buffer< DynamicBuffer >::value >::type *  = 0);
+      DynamicBuffer_v1 && buffers,
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.write.overload5 more...]]``
 
   template<
       typename ``[link asio.reference.SyncWriteStream SyncWriteStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``>
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``>
   std::size_t ``[link asio.reference.write.overload6 write]``(
       SyncWriteStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       asio::error_code & ec,
-      typename enable_if< is_dynamic_buffer< DynamicBuffer >::value >::type *  = 0);
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.write.overload6 more...]]``
 
+Write a certain amount of data to a stream before returning. 
+
   template<
       typename ``[link asio.reference.SyncWriteStream SyncWriteStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename ``[link asio.reference.CompletionCondition CompletionCondition]``>
   std::size_t ``[link asio.reference.write.overload7 write]``(
       SyncWriteStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       CompletionCondition completion_condition,
-      typename enable_if< is_dynamic_buffer< DynamicBuffer >::value >::type *  = 0);
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.write.overload7 more...]]``
 
   template<
       typename ``[link asio.reference.SyncWriteStream SyncWriteStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename ``[link asio.reference.CompletionCondition CompletionCondition]``>
   std::size_t ``[link asio.reference.write.overload8 write]``(
       SyncWriteStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       CompletionCondition completion_condition,
       asio::error_code & ec,
-      typename enable_if< is_dynamic_buffer< DynamicBuffer >::value >::type *  = 0);
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
   ``  [''''&raquo;''' [link asio.reference.write.overload8 more...]]``
 
+Write all of the supplied data to a stream before returning. 
+
   template<
       typename ``[link asio.reference.SyncWriteStream SyncWriteStream]``,
       typename Allocator>
@@ -112610,6 +120612,8 @@ Write a certain amount of data to a stream before returning.
       asio::error_code & ec);
   ``  [''''&raquo;''' [link asio.reference.write.overload10 more...]]``
 
+Write a certain amount of data to a stream before returning. 
+
   template<
       typename ``[link asio.reference.SyncWriteStream SyncWriteStream]``,
       typename Allocator,
@@ -112631,6 +120635,52 @@ Write a certain amount of data to a stream before returning.
       asio::error_code & ec);
   ``  [''''&raquo;''' [link asio.reference.write.overload12 more...]]``
 
+Write all of the supplied data to a stream before returning. 
+
+  template<
+      typename ``[link asio.reference.SyncWriteStream SyncWriteStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``>
+  std::size_t ``[link asio.reference.write.overload13 write]``(
+      SyncWriteStream & s,
+      DynamicBuffer_v2 buffers,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.write.overload13 more...]]``
+
+  template<
+      typename ``[link asio.reference.SyncWriteStream SyncWriteStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``>
+  std::size_t ``[link asio.reference.write.overload14 write]``(
+      SyncWriteStream & s,
+      DynamicBuffer_v2 buffers,
+      asio::error_code & ec,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.write.overload14 more...]]``
+
+Write a certain amount of data to a stream before returning. 
+
+  template<
+      typename ``[link asio.reference.SyncWriteStream SyncWriteStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename ``[link asio.reference.CompletionCondition CompletionCondition]``>
+  std::size_t ``[link asio.reference.write.overload15 write]``(
+      SyncWriteStream & s,
+      DynamicBuffer_v2 buffers,
+      CompletionCondition completion_condition,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.write.overload15 more...]]``
+
+  template<
+      typename ``[link asio.reference.SyncWriteStream SyncWriteStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename ``[link asio.reference.CompletionCondition CompletionCondition]``>
+  std::size_t ``[link asio.reference.write.overload16 write]``(
+      SyncWriteStream & s,
+      DynamicBuffer_v2 buffers,
+      CompletionCondition completion_condition,
+      asio::error_code & ec,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+  ``  [''''&raquo;''' [link asio.reference.write.overload16 more...]]``
+
 [heading Requirements]
 
 ['Header: ][^asio/write.hpp]
@@ -112638,7 +120688,7 @@ Write a certain amount of data to a stream before returning.
 ['Convenience header: ][^asio.hpp]
 
 
-[section:overload1 write (1 of 12 overloads)]
+[section:overload1 write (1 of 16 overloads)]
 
 
 Write all of the supplied data to a stream before returning. 
@@ -112719,7 +120769,7 @@ This overload is equivalent to calling:
 
 
 
-[section:overload2 write (2 of 12 overloads)]
+[section:overload2 write (2 of 16 overloads)]
 
 
 Write all of the supplied data to a stream before returning. 
@@ -112793,7 +120843,7 @@ This overload is equivalent to calling:
 
 
 
-[section:overload3 write (3 of 12 overloads)]
+[section:overload3 write (3 of 16 overloads)]
 
 
 Write a certain amount of data to a stream before returning. 
@@ -112877,7 +120927,7 @@ See the [link asio.reference.buffer `buffer`]  documentation for information on
 
 
 
-[section:overload4 write (4 of 12 overloads)]
+[section:overload4 write (4 of 16 overloads)]
 
 
 Write a certain amount of data to a stream before returning. 
@@ -112943,7 +120993,7 @@ The number of bytes written. If an error occurs, returns the total number of byt
 
 
 
-[section:overload5 write (5 of 12 overloads)]
+[section:overload5 write (5 of 16 overloads)]
 
 
 Write all of the supplied data to a stream before returning. 
@@ -112951,11 +121001,11 @@ Write all of the supplied data to a stream before returning.
 
   template<
       typename ``[link asio.reference.SyncWriteStream SyncWriteStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``>
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``>
   std::size_t write(
       SyncWriteStream & s,
-      DynamicBuffer && buffers,
-      typename enable_if< is_dynamic_buffer< DynamicBuffer >::value >::type *  = 0);
+      DynamicBuffer_v1 && buffers,
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
 
 
 This function is used to write a certain number of bytes of data to a stream. The call will block until one of the following conditions is true:
@@ -113014,7 +121064,7 @@ This overload is equivalent to calling:
 
 
 
-[section:overload6 write (6 of 12 overloads)]
+[section:overload6 write (6 of 16 overloads)]
 
 
 Write all of the supplied data to a stream before returning. 
@@ -113022,12 +121072,12 @@ Write all of the supplied data to a stream before returning.
 
   template<
       typename ``[link asio.reference.SyncWriteStream SyncWriteStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``>
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``>
   std::size_t write(
       SyncWriteStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       asio::error_code & ec,
-      typename enable_if< is_dynamic_buffer< DynamicBuffer >::value >::type *  = 0);
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
 
 
 This function is used to write a certain number of bytes of data to a stream. The call will block until one of the following conditions is true:
@@ -113078,7 +121128,7 @@ This overload is equivalent to calling:
 
 
 
-[section:overload7 write (7 of 12 overloads)]
+[section:overload7 write (7 of 16 overloads)]
 
 
 Write a certain amount of data to a stream before returning. 
@@ -113086,13 +121136,13 @@ Write a certain amount of data to a stream before returning.
 
   template<
       typename ``[link asio.reference.SyncWriteStream SyncWriteStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename ``[link asio.reference.CompletionCondition CompletionCondition]``>
   std::size_t write(
       SyncWriteStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       CompletionCondition completion_condition,
-      typename enable_if< is_dynamic_buffer< DynamicBuffer >::value >::type *  = 0);
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
 
 
 This function is used to write a certain number of bytes of data to a stream. The call will block until one of the following conditions is true:
@@ -113151,7 +121201,7 @@ The number of bytes transferred.
 
 
 
-[section:overload8 write (8 of 12 overloads)]
+[section:overload8 write (8 of 16 overloads)]
 
 
 Write a certain amount of data to a stream before returning. 
@@ -113159,14 +121209,14 @@ Write a certain amount of data to a stream before returning.
 
   template<
       typename ``[link asio.reference.SyncWriteStream SyncWriteStream]``,
-      typename ``[link asio.reference.DynamicBuffer DynamicBuffer]``,
+      typename ``[link asio.reference.DynamicBuffer_v1 DynamicBuffer_v1]``,
       typename ``[link asio.reference.CompletionCondition CompletionCondition]``>
   std::size_t write(
       SyncWriteStream & s,
-      DynamicBuffer && buffers,
+      DynamicBuffer_v1 && buffers,
       CompletionCondition completion_condition,
       asio::error_code & ec,
-      typename enable_if< is_dynamic_buffer< DynamicBuffer >::value >::type *  = 0);
+      typename enable_if< is_dynamic_buffer_v1< typename decay< DynamicBuffer_v1 >::type >::value &&!is_dynamic_buffer_v2< typename decay< DynamicBuffer_v1 >::type >::value >::type *  = 0);
 
 
 This function is used to write a certain number of bytes of data to a stream. The call will block until one of the following conditions is true:
@@ -113217,7 +121267,7 @@ The number of bytes written. If an error occurs, returns the total number of byt
 
 
 
-[section:overload9 write (9 of 12 overloads)]
+[section:overload9 write (9 of 16 overloads)]
 
 
 Write all of the supplied data to a stream before returning. 
@@ -113287,7 +121337,7 @@ This overload is equivalent to calling:
 
 
 
-[section:overload10 write (10 of 12 overloads)]
+[section:overload10 write (10 of 16 overloads)]
 
 
 Write all of the supplied data to a stream before returning. 
@@ -113350,7 +121400,7 @@ This overload is equivalent to calling:
 
 
 
-[section:overload11 write (11 of 12 overloads)]
+[section:overload11 write (11 of 16 overloads)]
 
 
 Write a certain amount of data to a stream before returning. 
@@ -113422,7 +121472,7 @@ The number of bytes transferred.
 
 
 
-[section:overload12 write (12 of 12 overloads)]
+[section:overload12 write (12 of 16 overloads)]
 
 
 Write a certain amount of data to a stream before returning. 
@@ -113483,6 +121533,280 @@ The number of bytes written. If an error occurs, returns the total number of byt
 
 
 
+[endsect]
+
+
+
+[section:overload13 write (13 of 16 overloads)]
+
+
+Write all of the supplied data to a stream before returning. 
+
+
+  template<
+      typename ``[link asio.reference.SyncWriteStream SyncWriteStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``>
+  std::size_t write(
+      SyncWriteStream & s,
+      DynamicBuffer_v2 buffers,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+
+
+This function is used to write a certain number of bytes of data to a stream. The call will block until one of the following conditions is true:
+
+
+* All of the data in the supplied dynamic buffer sequence has been written.
+
+
+* An error occurred.
+
+This operation is implemented in terms of zero or more calls to the stream's write\_some function.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[s][The stream to which the data is to be written. The type must support the SyncWriteStream concept.]]
+
+[[buffers][The dynamic buffer sequence from which data will be written. Successfully written data is automatically consumed from the buffers.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes transferred.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure.]]
+
+]
+
+
+[heading Remarks]
+      
+This overload is equivalent to calling: 
+
+   asio::write(
+       s, buffers,
+       asio::transfer_all()); 
+
+
+
+
+
+
+
+[endsect]
+
+
+
+[section:overload14 write (14 of 16 overloads)]
+
+
+Write all of the supplied data to a stream before returning. 
+
+
+  template<
+      typename ``[link asio.reference.SyncWriteStream SyncWriteStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``>
+  std::size_t write(
+      SyncWriteStream & s,
+      DynamicBuffer_v2 buffers,
+      asio::error_code & ec,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+
+
+This function is used to write a certain number of bytes of data to a stream. The call will block until one of the following conditions is true:
+
+
+* All of the data in the supplied dynamic buffer sequence has been written.
+
+
+* An error occurred.
+
+This operation is implemented in terms of zero or more calls to the stream's write\_some function.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[s][The stream to which the data is to be written. The type must support the SyncWriteStream concept.]]
+
+[[buffers][The dynamic buffer sequence from which data will be written. Successfully written data is automatically consumed from the buffers.]]
+
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes transferred.
+
+
+[heading Remarks]
+      
+This overload is equivalent to calling: 
+
+   asio::write(
+       s, buffers,
+       asio::transfer_all(), ec); 
+
+
+
+
+
+
+
+[endsect]
+
+
+
+[section:overload15 write (15 of 16 overloads)]
+
+
+Write a certain amount of data to a stream before returning. 
+
+
+  template<
+      typename ``[link asio.reference.SyncWriteStream SyncWriteStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename ``[link asio.reference.CompletionCondition CompletionCondition]``>
+  std::size_t write(
+      SyncWriteStream & s,
+      DynamicBuffer_v2 buffers,
+      CompletionCondition completion_condition,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+
+
+This function is used to write a certain number of bytes of data to a stream. The call will block until one of the following conditions is true:
+
+
+* All of the data in the supplied dynamic buffer sequence has been written.
+
+
+* The completion\_condition function object returns 0.
+
+This operation is implemented in terms of zero or more calls to the stream's write\_some function.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[s][The stream to which the data is to be written. The type must support the SyncWriteStream concept.]]
+
+[[buffers][The dynamic buffer sequence from which data will be written. Successfully written data is automatically consumed from the buffers.]]
+
+[[completion_condition][The function object to be called to determine whether the write operation is complete. The signature of the function object must be: 
+``
+   std::size_t completion_condition(
+     // Result of latest write_some operation.
+     const asio::error_code& error,
+
+     // Number of bytes transferred so far.
+     std::size_t bytes_transferred
+   ); 
+``
+A return value of 0 indicates that the write operation is complete. A non-zero return value indicates the maximum number of bytes to be written on the next call to the stream's write\_some function.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes transferred.
+
+
+[heading Exceptions]
+    
+
+[variablelist
+  
+[[asio::system_error][Thrown on failure. ]]
+
+]
+
+
+
+
+[endsect]
+
+
+
+[section:overload16 write (16 of 16 overloads)]
+
+
+Write a certain amount of data to a stream before returning. 
+
+
+  template<
+      typename ``[link asio.reference.SyncWriteStream SyncWriteStream]``,
+      typename ``[link asio.reference.DynamicBuffer_v2 DynamicBuffer_v2]``,
+      typename ``[link asio.reference.CompletionCondition CompletionCondition]``>
+  std::size_t write(
+      SyncWriteStream & s,
+      DynamicBuffer_v2 buffers,
+      CompletionCondition completion_condition,
+      asio::error_code & ec,
+      typename enable_if< is_dynamic_buffer_v2< DynamicBuffer_v2 >::value >::type *  = 0);
+
+
+This function is used to write a certain number of bytes of data to a stream. The call will block until one of the following conditions is true:
+
+
+* All of the data in the supplied dynamic buffer sequence has been written.
+
+
+* The completion\_condition function object returns 0.
+
+This operation is implemented in terms of zero or more calls to the stream's write\_some function.
+
+
+[heading Parameters]
+    
+
+[variablelist
+  
+[[s][The stream to which the data is to be written. The type must support the SyncWriteStream concept.]]
+
+[[buffers][The dynamic buffer sequence from which data will be written. Successfully written data is automatically consumed from the buffers.]]
+
+[[completion_condition][The function object to be called to determine whether the write operation is complete. The signature of the function object must be: 
+``
+   std::size_t completion_condition(
+     // Result of latest write_some operation.
+     const asio::error_code& error,
+
+     // Number of bytes transferred so far.
+     std::size_t bytes_transferred
+   ); 
+``
+A return value of 0 indicates that the write operation is complete. A non-zero return value indicates the maximum number of bytes to be written on the next call to the stream's write\_some function.]]
+
+[[ec][Set to indicate what error occurred, if any.]]
+
+]
+
+
+[heading Return Value]
+      
+The number of bytes written. If an error occurs, returns the total number of bytes successfully transferred prior to the error. 
+
+
+
+
 [endsect]
 
 
@@ -113491,9 +121815,11 @@ The number of bytes written. If an error occurs, returns the total number of byt
 [section:write_at write_at]
 
 [indexterm1 asio.indexterm.write_at..write_at] 
-Write a certain amount of data at a specified offset before returning. 
+The `write_at` function is a composed operation that writes a certain amount of data at a specified offset before returning. 
+
+
+Write all of the supplied data at the specified offset before returning. 
 
-      
   template<
       typename ``[link asio.reference.SyncRandomAccessWriteDevice SyncRandomAccessWriteDevice]``,
       typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``>
@@ -113513,6 +121839,8 @@ Write a certain amount of data at a specified offset before returning.
       asio::error_code & ec);
   ``  [''''&raquo;''' [link asio.reference.write_at.overload2 more...]]``
 
+Write a certain amount of data at a specified offset before returning. 
+
   template<
       typename ``[link asio.reference.SyncRandomAccessWriteDevice SyncRandomAccessWriteDevice]``,
       typename ``[link asio.reference.ConstBufferSequence ConstBufferSequence]``,
@@ -113536,6 +121864,8 @@ Write a certain amount of data at a specified offset before returning.
       asio::error_code & ec);
   ``  [''''&raquo;''' [link asio.reference.write_at.overload4 more...]]``
 
+Write all of the supplied data at the specified offset before returning. 
+
   template<
       typename ``[link asio.reference.SyncRandomAccessWriteDevice SyncRandomAccessWriteDevice]``,
       typename Allocator>
@@ -113555,6 +121885,8 @@ Write a certain amount of data at a specified offset before returning.
       asio::error_code & ec);
   ``  [''''&raquo;''' [link asio.reference.write_at.overload6 more...]]``
 
+Write a certain amount of data at a specified offset before returning. 
+
   template<
       typename ``[link asio.reference.SyncRandomAccessWriteDevice SyncRandomAccessWriteDevice]``,
       typename Allocator,
@@ -114219,7 +122551,7 @@ Context object that represents the currently executing coroutine.
   [
     [[link asio.reference.basic_yield_context.basic_yield_context [*basic_yield_context]]]
     [Construct a yield context to represent the specified coroutine. 
-
+     [hr]
      Construct a yield context from another yield context type. ]
   ]
   
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/reference.xsl b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/reference.xsl
index c298f0a..d45aef6 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/reference.xsl
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/reference.xsl
@@ -2,7 +2,7 @@
 <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
 
 <!--
-  Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+  Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 
   Distributed under the Boost Software License, Version 1.0. (See accompanying
   file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -26,7 +26,7 @@
 -->
 <xsl:template match="/doxygen">
 <xsl:text>[/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -53,6 +53,8 @@
 [include requirements/ConnectHandler.qbk]
 [include requirements/ConstBufferSequence.qbk]
 [include requirements/DynamicBuffer.qbk]
+[include requirements/DynamicBuffer_v1.qbk]
+[include requirements/DynamicBuffer_v2.qbk]
 [include requirements/Endpoint.qbk]
 [include requirements/EndpointSequence.qbk]
 [include requirements/ExecutionContext.qbk]
@@ -65,6 +67,7 @@
 [include requirements/IoControlCommand.qbk]
 [include requirements/IoObjectService.qbk]
 [include requirements/IteratorConnectHandler.qbk]
+[include requirements/LegacyCompletionHandler.qbk]
 [include requirements/MoveAcceptHandler.qbk]
 [include requirements/MutableBufferSequence.qbk]
 [include requirements/ProtoAllocator.qbk]
@@ -102,7 +105,8 @@
             not(contains(compoundname, '_handler')) and
             not(contains(compoundname, 'std_allocator_void')) and
             not(contains(compoundname, 'thread_function')) and
-            not(contains(compoundname, 'context_impl'))">
+            not(contains(compoundname, 'context_impl')) and
+            not(contains(compoundname, 'initiate_'))">
           <xsl:call-template name="class"/>
         </xsl:if>
       </xsl:when>
@@ -111,10 +115,12 @@
             not(contains(ancestor::*/compoundname, '::detail')) and
             not(contains(ancestor::*/compoundname, '::service::key')) and
             not(contains(ancestor::*/compoundname, '_helper')) and
+            not(contains(ancestor::*/compoundname, 'initiate_')) and
             not(contains(name, '_helper')) and
             not(contains(name, 'std_allocator_void')) and
             not(contains(name, 'thread_function')) and
-            not(contains(name, 'io_context_impl'))">
+            not(contains(name, 'io_context_impl')) and
+            not(contains(name, 'initiate_'))">
           <xsl:call-template name="namespace-memberdef"/>
         </xsl:if>
       </xsl:otherwise>
@@ -846,7 +852,7 @@
   [[Name][Description]]
 <xsl:for-each select="
     sectiondef[@kind='public-type']/memberdef |
-    innerclass[@prot='public' and not(contains(., '_handler')) and not(contains(., 'thread_function'))]" mode="class-table">
+    innerclass[@prot='public' and not(contains(., '_handler')) and not(contains(., 'thread_function')) and not(contains(., 'initiate_'))]" mode="class-table">
   <xsl:sort select="concat(name, (.)[not(name)])"/>
   [
 <xsl:choose>
@@ -922,6 +928,7 @@
   </xsl:if>
   <xsl:if test="not($overload-position = 1) and not(briefdescription = preceding-sibling::*/briefdescription)">
     <xsl:value-of select="$newline"/>
+    <xsl:text>     [hr]</xsl:text>
     <xsl:value-of select="$newline"/>
     <xsl:text>     </xsl:text>
     <xsl:value-of select="briefdescription"/>
@@ -970,6 +977,7 @@
   </xsl:if>
   <xsl:if test="not($overload-position = 1) and not(briefdescription = preceding-sibling::*/briefdescription)">
     <xsl:value-of select="$newline"/>
+    <xsl:text>     [hr]</xsl:text>
     <xsl:value-of select="$newline"/>
     <xsl:text>     </xsl:text>
     <xsl:value-of select="briefdescription"/>
@@ -1019,6 +1027,7 @@
   </xsl:if>
   <xsl:if test="not($overload-position = 1) and not(briefdescription = preceding-sibling::*/briefdescription)">
     <xsl:value-of select="$newline"/>
+    <xsl:text>     [hr]</xsl:text>
     <xsl:value-of select="$newline"/>
     <xsl:text>     </xsl:text>
     <xsl:value-of select="briefdescription"/>
@@ -1098,6 +1107,7 @@
   </xsl:if>
   <xsl:if test="not($overload-position = 1) and not(briefdescription = preceding-sibling::*/briefdescription)">
     <xsl:value-of select="$newline"/>
+    <xsl:text>     [hr]</xsl:text>
     <xsl:value-of select="$newline"/>
     <xsl:text>     </xsl:text>
     <xsl:value-of select="briefdescription"/>
@@ -1493,6 +1503,9 @@
         <xsl:when test="declname = 'CompletionToken'">
           <xsl:value-of select="declname"/>
         </xsl:when>
+        <xsl:when test="declname = 'ConstBuffer'">
+          <xsl:value-of select="declname"/>
+        </xsl:when>
         <xsl:when test="declname = 'Context_Service'">
           <xsl:value-of select="declname"/>
         </xsl:when>
@@ -1517,18 +1530,36 @@
         <xsl:when test="declname = 'Executor'">
           <xsl:value-of select="concat('``[link asio.reference.Executor1 ', declname, ']``')"/>
         </xsl:when>
+        <xsl:when test="declname = 'Executor2'">
+          <xsl:value-of select="concat('``[link asio.reference.Executor1 ', declname, ']``')"/>
+        </xsl:when>
+        <xsl:when test="declname = 'F'">
+          <xsl:value-of select="declname"/>
+        </xsl:when>
         <xsl:when test="declname = 'Function'">
           <xsl:value-of select="declname"/>
         </xsl:when>
         <xsl:when test="declname = 'IoObjectService1'">
           <xsl:value-of select="concat('``[link asio.reference.IoObjectService ', declname, ']``')"/>
         </xsl:when>
+        <xsl:when test="declname = 'Implementation'">
+          <xsl:value-of select="declname"/>
+        </xsl:when>
+        <xsl:when test="declname = 'Initiation'">
+          <xsl:value-of select="declname"/>
+        </xsl:when>
+        <xsl:when test="declname = 'IoObjectsOrExecutors'">
+          <xsl:value-of select="declname"/>
+        </xsl:when>
         <xsl:when test="declname = 'Iterator'">
           <xsl:value-of select="declname"/>
         </xsl:when>
         <xsl:when test="declname = 'MatchCondition'">
           <xsl:value-of select="declname"/>
         </xsl:when>
+        <xsl:when test="declname = 'MutableBuffer'">
+          <xsl:value-of select="declname"/>
+        </xsl:when>
         <xsl:when test="declname = 'N'">
           <xsl:value-of select="declname"/>
         </xsl:when>
@@ -1556,6 +1587,9 @@
         <xsl:when test="declname = 'Protocol1'">
           <xsl:value-of select="concat('``[link asio.reference.Protocol ', declname, ']``')"/>
         </xsl:when>
+        <xsl:when test="declname = 'RawCompletionToken'">
+          <xsl:value-of select="declname"/>
+        </xsl:when>
         <xsl:when test="declname = 'RawSocketService1'">
           <xsl:value-of select="concat('``[link asio.reference.RawSocketService ', declname, ']``')"/>
         </xsl:when>
@@ -1685,18 +1719,10 @@
 <xsl:value-of select="$name"/>
 <xsl:text>] </xsl:text>
 
-<xsl:choose>
-  <xsl:when test="count(/doxygen/compounddef[@kind='group' and compoundname=$name]) &gt; 0">
-    <xsl:for-each select="/doxygen/compounddef[@kind='group' and compoundname=$name]">
-      <xsl:apply-templates select="briefdescription" mode="markup"/><xsl:text>
-      </xsl:text>
-    </xsl:for-each>
-  </xsl:when>
-  <xsl:otherwise>
-    <xsl:apply-templates select="briefdescription" mode="markup"/><xsl:text>
-    </xsl:text>
-  </xsl:otherwise>
-</xsl:choose>
+<xsl:for-each select="/doxygen/compounddef[@kind='group' and compoundname=$name]">
+  <xsl:apply-templates select="briefdescription" mode="markup"/>
+  <xsl:value-of select="$newline"/>
+</xsl:for-each>
 
 <xsl:for-each select="../memberdef[name = $unqualified-name]">
 <xsl:variable name="stripped-type">
@@ -1704,6 +1730,9 @@
    <xsl:with-param name="name" select="type"/>
  </xsl:call-template>
 </xsl:variable>
+<xsl:if test="position() = 1 or not(briefdescription = preceding-sibling::memberdef[1]/briefdescription)">
+  <xsl:apply-templates select="briefdescription" mode="markup"/>
+</xsl:if>
 <xsl:text>
 </xsl:text><xsl:apply-templates select="templateparamlist" mode="class-detail"/>
 <xsl:text>  </xsl:text><xsl:if test="string-length($stripped-type) &gt; 0"><xsl:value-of
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/AcceptHandler.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/AcceptHandler.qbk
index 7601147..1ab901a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/AcceptHandler.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/AcceptHandler.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/AcceptableProtocol.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/AcceptableProtocol.qbk
index 10bf97b..9abf012 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/AcceptableProtocol.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/AcceptableProtocol.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/AsyncRandomAccessReadDevice.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/AsyncRandomAccessReadDevice.qbk
index 72b7afd..bc9fc59 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/AsyncRandomAccessReadDevice.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/AsyncRandomAccessReadDevice.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/AsyncRandomAccessWriteDevice.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/AsyncRandomAccessWriteDevice.qbk
index ca5b765..45d1e4a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/AsyncRandomAccessWriteDevice.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/AsyncRandomAccessWriteDevice.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/AsyncReadStream.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/AsyncReadStream.qbk
index 594b063..2cc9b0a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/AsyncReadStream.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/AsyncReadStream.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/AsyncWriteStream.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/AsyncWriteStream.qbk
index bd6bec2..1cf63d8 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/AsyncWriteStream.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/AsyncWriteStream.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/BufferedHandshakeHandler.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/BufferedHandshakeHandler.qbk
index 2e481e2..6da3132 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/BufferedHandshakeHandler.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/BufferedHandshakeHandler.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/CompletionCondition.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/CompletionCondition.qbk
index c009018..09a003d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/CompletionCondition.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/CompletionCondition.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -15,7 +15,7 @@ completed transferring data.
 
 A type `X` meets the `CompletionCondition` requirements if it satisfies the
 requirements of `Destructible` (C++Std [destructible]) and
-`CopyConstructible` (C++Std [copyconstructible]), as well as the additional
+`MoveConstructible` (C++Std [moveconstructible]), as well as the additional
 requirements listed below.
 
 In the table below, `x` denotes a value of type `X`, `ec` denotes a (possibly
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/CompletionHandler.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/CompletionHandler.qbk
index 455f0c6..19cf8e1 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/CompletionHandler.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/CompletionHandler.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ConnectCondition.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ConnectCondition.qbk
index 88911ce..da9b346 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ConnectCondition.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ConnectCondition.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ConnectHandler.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ConnectHandler.qbk
index a792b14..70c861f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ConnectHandler.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ConnectHandler.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ConstBufferSequence.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ConstBufferSequence.qbk
index 8267fbc..16a8223 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ConstBufferSequence.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ConstBufferSequence.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/DynamicBuffer.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/DynamicBuffer.qbk
index e114255..3ec80df 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/DynamicBuffer.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/DynamicBuffer.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -7,87 +7,10 @@
 
 [section:DynamicBuffer Dynamic buffer requirements]
 
-A dynamic buffer encapsulates memory storage that may be automatically resized
-as required, where the memory is divided into an input sequence followed by an
-output sequence. These memory regions are internal to the dynamic buffer
-sequence, but direct access to the elements is provided to permit them to be
-efficiently used with I/O operations, such as the `send` or `receive`
-operations of a socket. Data written to the output sequence of a dynamic buffer
-sequence object is appended to the input sequence of the same object.
+See:
 
-A dynamic buffer type `X` shall satisfy the requirements of `MoveConstructible`
-(C++ Std, [moveconstructible]) types in addition to those listed below.
+* [link asio.reference.DynamicBuffer_v1 Dynamic buffer requirements (version 1)]
 
-In the table below, `X` denotes a dynamic buffer class, `x` denotes a
-value of type `X&`, `x1` denotes values of type `const X&`, and `n` denotes a
-value of type `size_t`, and `u` denotes an identifier.
-
-[table DynamicBuffer requirements
-  [[expression] [type] [assertion/note\npre/post-conditions]]
-  [
-    [`X::const_buffers_type`]
-    [type meeting [link asio.reference.ConstBufferSequence ConstBufferSequence]
-     requirements.]
-    [This type represents the memory associated with the input sequence.]
-  ]
-  [
-    [`X::mutable_buffers_type`]
-    [type meeting [link asio.reference.MutableBufferSequence MutableBufferSequence]
-     requirements.]
-    [This type represents the memory associated with the output sequence.]
-  ]
-  [
-    [`x1.size()`]
-    [`size_t`]
-    [Returns the size, in bytes, of the input sequence.]
-  ]
-  [
-    [`x1.max_size()`]
-    [`size_t`]
-    [Returns the permitted maximum of the sum of the sizes of the input
-     sequence and output sequence.]
-  ]
-  [
-    [`x1.capacity()`]
-    [`size_t`]
-    [Returns the maximum sum of the sizes of the input sequence and output
-     sequence that the dynamic buffer can hold without requiring reallocation.]
-  ]
-  [
-    [`x1.data()`]
-    [`X::const_buffers_type`]
-    [Returns a constant buffer sequence `u` that represents the memory
-     associated with the input sequence, and where `buffer_size(u) == size()`.]
-  ]
-  [
-    [`x.prepare(n)`]
-    [`X::mutable_buffers_type`]
-    [Requires: `size() + n <= max_size()`.\n
-     \n
-     Returns a mutable buffer sequence `u` representing the output sequence, and
-     where `buffer_size(u) == n`. The dynamic buffer reallocates memory as
-     required. All constant or mutable buffer sequences previously obtained
-     using `data()` or `prepare()` are invalidated.\n
-     \n
-     Throws: `length_error` if `size() + n > max_size()`.]
-  ]
-  [
-    [`x.commit(n)`]
-    []
-    [Appends `n` bytes from the start of the output sequence to the end of the
-     input sequence. The remainder of the output sequence is discarded. If `n`
-     is greater than the size of the output sequence, the entire output sequence
-     is appended to the input sequence. All constant or mutable buffer sequences
-     previously obtained using `data()` or `prepare()` are invalidated.]
-  ]
-  [
-    [`x.consume(n)`]
-    []
-    [Removes `n` bytes from beginning of the input sequence. If `n` is greater
-     than the size of the input sequence, the entire input sequence is removed.
-     All constant or mutable buffer sequences previously obtained using `data()`
-     or `prepare()` are invalidated.]
-  ]
-]
+* [link asio.reference.DynamicBuffer_v2 Dynamic buffer requirements (version 2)]
 
 [endsect]
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/DynamicBuffer_v1.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/DynamicBuffer_v1.qbk
new file mode 100644
index 0000000..b0f6d24
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/DynamicBuffer_v1.qbk
@@ -0,0 +1,93 @@
+[/
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ /
+ / Distributed under the Boost Software License, Version 1.0. (See accompanying
+ / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+ /]
+
+[section:DynamicBuffer_v1 Dynamic buffer requirements (version 1)]
+
+A dynamic buffer encapsulates memory storage that may be automatically resized
+as required, where the memory is divided into an input sequence followed by an
+output sequence. These memory regions are internal to the dynamic buffer
+sequence, but direct access to the elements is provided to permit them to be
+efficiently used with I/O operations, such as the `send` or `receive`
+operations of a socket. Data written to the output sequence of a dynamic buffer
+sequence object is appended to the input sequence of the same object.
+
+A dynamic buffer type `X` shall satisfy the requirements of `MoveConstructible`
+(C++ Std, [moveconstructible]) types in addition to those listed below.
+
+In the table below, `X` denotes a dynamic buffer class, `x` denotes a
+value of type `X&`, `x1` denotes values of type `const X&`, and `n` denotes a
+value of type `size_t`, and `u` denotes an identifier.
+
+[table DynamicBuffer_v1 requirements
+  [[expression] [type] [assertion/note\npre/post-conditions]]
+  [
+    [`X::const_buffers_type`]
+    [type meeting [link asio.reference.ConstBufferSequence ConstBufferSequence]
+     requirements.]
+    [This type represents the memory associated with the input sequence.]
+  ]
+  [
+    [`X::mutable_buffers_type`]
+    [type meeting [link asio.reference.MutableBufferSequence MutableBufferSequence]
+     requirements.]
+    [This type represents the memory associated with the output sequence.]
+  ]
+  [
+    [`x1.size()`]
+    [`size_t`]
+    [Returns the size, in bytes, of the input sequence.]
+  ]
+  [
+    [`x1.max_size()`]
+    [`size_t`]
+    [Returns the permitted maximum of the sum of the sizes of the input
+     sequence and output sequence.]
+  ]
+  [
+    [`x1.capacity()`]
+    [`size_t`]
+    [Returns the maximum sum of the sizes of the input sequence and output
+     sequence that the dynamic buffer can hold without requiring reallocation.]
+  ]
+  [
+    [`x1.data()`]
+    [`X::const_buffers_type`]
+    [Returns a constant buffer sequence `u` that represents the memory
+     associated with the input sequence, and where `buffer_size(u) == size()`.]
+  ]
+  [
+    [`x.prepare(n)`]
+    [`X::mutable_buffers_type`]
+    [Requires: `size() + n <= max_size()`.\n
+     \n
+     Returns a mutable buffer sequence `u` representing the output sequence, and
+     where `buffer_size(u) == n`. The dynamic buffer reallocates memory as
+     required. All constant or mutable buffer sequences previously obtained
+     using `data()` or `prepare()` are invalidated.\n
+     \n
+     Throws: `length_error` if `size() + n > max_size()`.]
+  ]
+  [
+    [`x.commit(n)`]
+    []
+    [Appends `n` bytes from the start of the output sequence to the end of the
+     input sequence. The remainder of the output sequence is discarded. If `n`
+     is greater than the size of the output sequence, the entire output sequence
+     is appended to the input sequence. All constant or mutable buffer sequences
+     previously obtained using `data()` or `prepare()` are invalidated.]
+  ]
+  [
+    [`x.consume(n)`]
+    []
+    [Removes `n` bytes from beginning of the input sequence. If `n` is greater
+     than the size of the input sequence, the entire input sequence is removed.
+     All constant or mutable buffer sequences previously obtained using `data()`
+     or `prepare()` are invalidated.]
+  ]
+]
+
+[endsect]
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/DynamicBuffer_v2.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/DynamicBuffer_v2.qbk
new file mode 100644
index 0000000..c63cb8b
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/DynamicBuffer_v2.qbk
@@ -0,0 +1,94 @@
+[/
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ /
+ / Distributed under the Boost Software License, Version 1.0. (See accompanying
+ / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+ /]
+
+[section:DynamicBuffer_v2 Dynamic buffer requirements (version 2)]
+
+A dynamic buffer encapsulates memory storage that may be automatically resized
+as required.
+
+A dynamic buffer type `X` shall satisfy the requirements of `CopyConstructible`
+(C++ Std, [copyconstructible]) types in addition to those listed below.
+
+In the table below, `X` denotes a dynamic buffer class, `x` denotes a value of
+type `X&`, `x1` denotes values of type `const X&`, `pos` and `n` denote values
+of type `size_t`, and `u` denotes an identifier.
+
+[table DynamicBuffer_v2 requirements
+  [[expression] [type] [assertion/note\npre/post-conditions]]
+  [
+    [`X::const_buffers_type`]
+    [type meeting [link asio.reference.ConstBufferSequence ConstBufferSequence]
+     requirements.]
+    [This type represents the underlying memory as a sequence of @c const_buffer
+     objects.]
+  ]
+  [
+    [`X::mutable_buffers_type`]
+    [type meeting [link asio.reference.MutableBufferSequence MutableBufferSequence]
+     requirements.]
+    [This type represents the underlying memory as a sequence of @c
+     mutable_buffer objects.]
+  ]
+  [
+    [`x1.size()`]
+    [`size_t`]
+    [Returns the size, in bytes, of the underlying memory.]
+  ]
+  [
+    [`x1.max_size()`]
+    [`size_t`]
+    [Returns the permitted maximum size of the underlying memory.]
+  ]
+  [
+    [`x1.capacity()`]
+    [`size_t`]
+    [Returns the maximum size to which the underlying memory can grow without
+     requiring reallocation.]
+  ]
+  [
+    [`x1.data(pos, n)`]
+    [`X::const_buffers_type`]
+    [Returns a constant buffer sequence `u` that represents the underlying
+     memory beginning at offset `pos`, and where `buffer_size(u) <= n`.]
+  ]
+  [
+    [`x.data(pos, n)`]
+    [`X::mutable_buffers_type`]
+    [Returns a mutable buffer sequence `u` that represents the underlying
+     memory beginning at offset `pos`, and where `buffer_size(u) <= n`.]
+  ]
+  [
+    [`x.grow(n)`]
+    []
+    [Requires: `size() + n <= max_size()`.\n
+     \n
+     Extends the underlying memory to accommodate `n` additional bytes at the
+     end. The dynamic buffer reallocates memory as required. All constant or
+     mutable buffer sequences previously obtained using `data()` are
+     invalidated.\n
+     \n
+     Throws: `length_error` if `size() + n > max_size()`.]
+  ]
+  [
+    [`x.shrink(n)`]
+    []
+    [Removes `n` bytes from the end of the underlying memory. If `n` is greater
+     than the size of the underlying memory, the entire underlying memory is
+     emptied. All constant or mutable buffer sequences previously obtained
+     using `data()` are invalidated.]
+  ]
+  [
+    [`x.consume(n)`]
+    []
+    [Removes `n` bytes from the beginning of the underlying memory. If `n` is
+     greater than the size of the underlying memory, the entire underlying memory
+     is emptied. All constant or mutable buffer sequences previously obtained
+     using `data()` are invalidated.]
+  ]
+]
+
+[endsect]
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/Endpoint.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/Endpoint.qbk
index 63e8590..6967f93 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/Endpoint.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/Endpoint.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/EndpointSequence.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/EndpointSequence.qbk
index b8cf599..9471070 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/EndpointSequence.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/EndpointSequence.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ExecutionContext.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ExecutionContext.qbk
index 636551a..5d15a32 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ExecutionContext.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ExecutionContext.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/Executor.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/Executor.qbk
index c9cb08e..bb9b5de 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/Executor.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/Executor.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/GettableSerialPortOption.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/GettableSerialPortOption.qbk
index c04ccf6..edc85df 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/GettableSerialPortOption.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/GettableSerialPortOption.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/GettableSocketOption.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/GettableSocketOption.qbk
index b423a6f..4161818 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/GettableSocketOption.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/GettableSocketOption.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/Handler.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/Handler.qbk
index da696c0..04bdf00 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/Handler.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/Handler.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -7,8 +7,8 @@
 
 [section:Handler Handlers]
 
-A handler must meet the requirements of `CopyConstructible` types (C++ Std,
-20.1.3).
+A handler must meet the requirements of `MoveConstructible` types (C++Std
+[moveconstructible]).
 
 In the table below, `X` denotes a handler class, `h` denotes a value of `X`,
 `p` denotes a pointer to a block of allocated memory of type `void*`, `s`
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/HandshakeHandler.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/HandshakeHandler.qbk
index 3636581..f9106f1 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/HandshakeHandler.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/HandshakeHandler.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/InternetProtocol.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/InternetProtocol.qbk
index 16f21d8..4122c38 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/InternetProtocol.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/InternetProtocol.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/IoControlCommand.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/IoControlCommand.qbk
index 3cd6bf5..2e0f6c2 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/IoControlCommand.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/IoControlCommand.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/IoObjectService.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/IoObjectService.qbk
index d9f454a..c48ebec 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/IoObjectService.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/IoObjectService.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/IteratorConnectHandler.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/IteratorConnectHandler.qbk
index 26f0438..87f8920 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/IteratorConnectHandler.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/IteratorConnectHandler.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/LegacyCompletionHandler.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/LegacyCompletionHandler.qbk
new file mode 100644
index 0000000..56ef121
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/LegacyCompletionHandler.qbk
@@ -0,0 +1,65 @@
+[/
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ /
+ / Distributed under the Boost Software License, Version 1.0. (See accompanying
+ / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+ /]
+
+[section:LegacyCompletionHandler Legacy completion handler requirements]
+
+A legacy completion handler must meet the requirements for a [link
+asio.reference.Handler handler]. A legacy completion handler must meet the
+requirements of `CopyConstructible` types (C++Std [copyconstructible]). A value
+`h` of a completion handler class should work correctly in the expression
+`h()`.
+
+[heading Examples]
+
+A free function as a completion handler:
+
+  void completion_handler()
+  {
+    ...
+  }
+
+A completion handler function object:
+
+  struct completion_handler
+  {
+    ...
+    void operator()()
+    {
+      ...
+    }
+    ...
+  };
+
+A lambda as a completion handler:
+
+  my_io_service.post(
+      []()
+      {
+        ...
+      });
+
+A non-static class member function adapted to a completion handler using
+`std::bind()`:
+
+  void my_class::completion_handler()
+  {
+    ...
+  }
+  ...
+  my_io_service.post(std::bind(&my_class::completion_handler, this));
+
+A non-static class member function adapted to a completion handler using
+`boost::bind()`:
+
+  void my_class::completion_handler()
+  {
+    ...
+  }
+  ...
+  my_io_service.post(boost::bind(&my_class::completion_handler, this));
+
+[endsect]
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/MoveAcceptHandler.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/MoveAcceptHandler.qbk
index cb73609..ceeaa6e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/MoveAcceptHandler.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/MoveAcceptHandler.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/MutableBufferSequence.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/MutableBufferSequence.qbk
index cae89e2..8b2258c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/MutableBufferSequence.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/MutableBufferSequence.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ProtoAllocator.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ProtoAllocator.qbk
index f08fb24..335780f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ProtoAllocator.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ProtoAllocator.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/Protocol.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/Protocol.qbk
index 61cd58c..ae44f8d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/Protocol.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/Protocol.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/RangeConnectHandler.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/RangeConnectHandler.qbk
index 7aaad3c..b2581ad 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/RangeConnectHandler.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/RangeConnectHandler.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ReadHandler.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ReadHandler.qbk
index 67364e2..1409322 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ReadHandler.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ReadHandler.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ResolveHandler.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ResolveHandler.qbk
index 1573890..0a22110 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ResolveHandler.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ResolveHandler.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/Service.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/Service.qbk
index ceda250..261a9a1 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/Service.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/Service.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SettableSerialPortOption.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SettableSerialPortOption.qbk
index b7ff681..7abbdc3 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SettableSerialPortOption.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SettableSerialPortOption.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SettableSocketOption.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SettableSocketOption.qbk
index 8f1842e..778b8ce 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SettableSocketOption.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SettableSocketOption.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ShutdownHandler.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ShutdownHandler.qbk
index 1fa4595..3b1bd0f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ShutdownHandler.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/ShutdownHandler.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SignalHandler.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SignalHandler.qbk
index 7567eab..7826aef 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SignalHandler.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SignalHandler.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SyncRandomAccessReadDevice.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SyncRandomAccessReadDevice.qbk
index f9b1227..660d7cb 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SyncRandomAccessReadDevice.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SyncRandomAccessReadDevice.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SyncRandomAccessWriteDevice.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SyncRandomAccessWriteDevice.qbk
index c7eeb03..5aaa7da 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SyncRandomAccessWriteDevice.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SyncRandomAccessWriteDevice.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SyncReadStream.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SyncReadStream.qbk
index 5434462..404d0ac 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SyncReadStream.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SyncReadStream.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SyncWriteStream.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SyncWriteStream.qbk
index 788452f..d1f0c73 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SyncWriteStream.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/SyncWriteStream.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/TimeTraits.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/TimeTraits.qbk
index 367290f..be1f352 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/TimeTraits.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/TimeTraits.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/WaitHandler.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/WaitHandler.qbk
index 50b7ae1..0598dc6 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/WaitHandler.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/WaitHandler.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/WaitTraits.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/WaitTraits.qbk
index 11e93d1..bca2455 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/WaitTraits.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/WaitTraits.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/WriteHandler.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/WriteHandler.qbk
index 392a110..adb657a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/WriteHandler.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/WriteHandler.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/asynchronous_operations.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/asynchronous_operations.qbk
index 5fac487..add5135 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/asynchronous_operations.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/asynchronous_operations.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -13,7 +13,7 @@ This section uses the names `Alloc1`, `Alloc2`, `alloc1`, `alloc2`, `Args`,
 ['i]]], `work1`, and `work2` as placeholders for specifying the requirements
 below.
 
-[section General asynchronous operation concepts]
+[heading General asynchronous operation concepts]
 
 An ['initiating function] is a function which may be called to start an
 asynchronous operation. A ['completion handler] is a function object that will
@@ -39,9 +39,7 @@ asynchronous operation.
 In this library, all functions with the prefix `async_` are initiating
 functions.
 
-[endsect]
-
-[section:completion_token Completion tokens and handlers]
+[heading Completion tokens and handlers]
 
 Initiating functions:
 
@@ -70,9 +68,7 @@ element that defines the call signature `Signature`. The ['Completion
 signature] elements in this Technical Specification have named parameters, and
 the results of an asynchronous operation are specified in terms of these names.
 
-[endsect]
-
-[section Automatic deduction of initiating function return type]
+[heading Automatic deduction of initiating function return type]
 
 The return type of an initiating function is `typename
 async_result<decay_t<CompletionToken>, Signature>::return_type`.
@@ -82,9 +78,7 @@ return type ['[^DEDUCED]]. For every function declaration that returns
 ['[^DEDUCED]], the meaning is equivalent to specifying the return type as
 `typename async_result<decay_t<CompletionToken>, Signature>::return_type`.
 
-[endsect]
-
-[section Production of initiating function return value]
+[heading Production of initiating function return value]
 
 An initiating function produces its return type as follows:
 
@@ -128,9 +122,7 @@ For convenience, initiating functions may be implemented using the
 
 '''&mdash;'''['end example]\]
 
-[endsect]
-
-[section Lifetime of initiating function arguments]
+[heading Lifetime of initiating function arguments]
 
 Unless otherwise specified, the lifetime of arguments to initiating functions
 shall be treated as follows:
@@ -148,9 +140,7 @@ initiating function completes.] The implementation may make copies of the
 argument, and all copies shall be destroyed no later than immediately after
 invocation of the completion handler.
 
-[endsect]
-
-[section Non-blocking requirements on initiating functions]
+[heading Non-blocking requirements on initiating functions]
 
 An initiating function shall not block (C++Std [defns.block]) the calling
 thread pending completion of the outstanding operation.
@@ -159,16 +149,12 @@ thread pending completion of the outstanding operation.
 reasons. For example, an initiating function may lock a mutex in order to
 synchronize access to shared data.]
 
-[endsect]
-
-[section Associated executor]
+[heading Associated executor]
 
 Certain objects that participate in asynchronous operations have an
-['associated executor]. These are obtained as specified below.
+['associated executor]. These are obtained as specified in the sections below.
 
-[endsect]
-
-[section I/O executor]
+[heading Associated I/O executor]
 
 An asynchronous operation has an associated executor satisfying the [link
 asio.reference.Executor1 `Executor`] requirements. If not otherwise specified by
@@ -190,9 +176,7 @@ Let `Executor1` be the type of the associated executor. Let `ex1` be a value of
 type `Executor1`, representing the associated executor object obtained as
 described above.
 
-[endsect]
-
-[section Completion handler executor]
+[heading Associated completion handler executor]
 
 A completion handler object of type `CompletionHandler` has an associated
 executor of type `Executor2` satisfying the [link asio.reference.Executor1
@@ -201,9 +185,7 @@ Executor requirements]. The type `Executor2` is
 type `Executor2` obtained by performing
 `get_associated_executor(completion_handler, ex1)`.
 
-[endsect]
-
-[section Outstanding work]
+[heading Outstanding work]
 
 Until the asynchronous operation has completed, the asynchronous operation
 shall maintain:
@@ -214,9 +196,7 @@ as `work1(ex1)`, and where `work1.owns_work() == true`; and
 [mdash] an object `work2` of type `executor_work_guard<Executor2>`, initialized
 as `work2(ex2)`, and where `work2.owns_work() == true`.
 
-[endsect]
-
-[section Allocation of intermediate storage]
+[heading Allocation of intermediate storage]
 
 Asynchronous operations may allocate memory. [inline_note Such as a data
 structure to store copies of the `completion_handler` object and the initiating
@@ -247,9 +227,7 @@ calls that perform memory allocations not using the associated allocator.
 Invocations of the allocator functions may not introduce data races (See C++Std
 \[res.on.data.races\]).]
 
-[endsect]
-
-[section Execution of completion handler on completion of asynchronous operation]
+[heading Execution of completion handler on completion of asynchronous operation]
 
 Let `Args...` be the argument types of the completion signature `Signature` and
 let [^['N]] be `sizeof...(Args)`. Let [^['i]] be in the range [half_open_range
@@ -268,14 +246,10 @@ if by performing `ex2.post(std::move(f), alloc2)`. Otherwise, the completion
 handler shall be submitted for execution as if by performing
 `ex2.dispatch(std::move(f), alloc2)`.
 
-[endsect]
-
-[section Completion handlers and exceptions]
+[heading Completion handlers and exceptions]
 
 Completion handlers are permitted to throw exceptions. The effect of any
 exception propagated from the execution of a completion handler is determined
 by the executor which is executing the completion handler.
 
 [endsect]
-
-[endsect]
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/asynchronous_socket_operations.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/asynchronous_socket_operations.qbk
index 1ac928d..de7f395 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/asynchronous_socket_operations.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/asynchronous_socket_operations.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/read_write_operations.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/read_write_operations.qbk
index 645e807..429977b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/read_write_operations.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/read_write_operations.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/synchronous_socket_operations.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/synchronous_socket_operations.qbk
index ac2ca6b..39b1adf 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/synchronous_socket_operations.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/requirements/synchronous_socket_operations.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/tutorial.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/tutorial.qbk
index 4c7737c..b51ac48 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/tutorial.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/tutorial.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -81,13 +81,6 @@ All of the asio classes can be used by simply including the `"asio.hpp"` header
 
 
 
-Since this example uses timers, we need to include the appropriate Boost.Date\_Time header file for manipulating times.
-
-
-  ``''''''``#include <boost/date_time/posix_time/posix_time.hpp>
-
-
-
 All programs that use asio need to have at least one 
 [link asio.reference.io_context io_context] object. This class provides access to I/O functionality. We declare an object of this type first thing in the main function.
 
@@ -99,17 +92,17 @@ All programs that use asio need to have at least one
 
 
 
-Next we declare an object of type asio::deadline\_timer. The core asio classes that provide I/O functionality (or as in this case timer functionality) always take a reference to an io\_context as their first constructor argument. The second argument to the constructor sets the timer to expire 5 seconds from now.
+Next we declare an object of type asio::steady\_timer. The core asio classes that provide I/O functionality (or as in this case timer functionality) always take a reference to an io\_context as their first constructor argument. The second argument to the constructor sets the timer to expire 5 seconds from now.
 
 
 
-  ``''''''``  asio::deadline_timer t(io, boost::posix_time::seconds(5));
+  ``''''''``  asio::steady_timer t(io, asio::chrono::seconds(5));
 
 
 
-In this simple example we perform a blocking wait on the timer. That is, the call to [link asio.reference.basic_deadline_timer.wait deadline_timer::wait()] will not return until the timer has expired, 5 seconds after it was created (i.e. not from when the wait starts).
+In this simple example we perform a blocking wait on the timer. That is, the call to [link asio.reference.basic_waitable_timer.wait steady_timer::wait()] will not return until the timer has expired, 5 seconds after it was created (i.e. not from when the wait starts).
 
-A deadline timer is always in one of two states: "expired" or "not expired". If the [link asio.reference.basic_deadline_timer.wait deadline_timer::wait()] function is called on an expired timer, it will return immediately.
+A timer is always in one of two states: "expired" or "not expired". If the [link asio.reference.basic_waitable_timer.wait steady_timer::wait()] function is called on an expired timer, it will return immediately.
 
 
   ``''''''``  t.wait();
@@ -142,7 +135,7 @@ Next: [link asio.tutorial.tuttimer2 Timer.2 - Using a timer asynchronously]
   ``''''''``// timer.cpp
   ``''''''``// ~~~~~~~~~
   ``''''''``//
-  ``''''''``// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+  ``''''''``// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   ``''''''``//
   ``''''''``// Distributed under the Boost Software License, Version 1.0. (See accompanying
   ``''''''``// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -150,13 +143,12 @@ Next: [link asio.tutorial.tuttimer2 Timer.2 - Using a timer asynchronously]
 
   ``''''''``#include <iostream>
   ``''''''``#include <asio.hpp>
-  ``''''''``#include <boost/date_time/posix_time/posix_time.hpp>
 
   ``''''''``int main()
   ``''''''``{
   ``''''''``  asio::io_context io;
 
-  ``''''''``  asio::deadline_timer t(io, boost::posix_time::seconds(5));
+  ``''''''``  asio::steady_timer t(io, asio::chrono::seconds(5));
   ``''''''``  t.wait();
 
   ``''''''``  std::cout << "Hello, world!" << std::endl;
@@ -181,7 +173,6 @@ This tutorial program demonstrates how to use asio's asynchronous callback funct
 
   ``''''''``#include <iostream>
   ``''''''``#include <asio.hpp>
-  ``''''''``#include <boost/date_time/posix_time/posix_time.hpp>
 
 
 
@@ -198,11 +189,11 @@ Using asio's asynchronous functionality means having a callback function that wi
   ``''''''``{
   ``''''''``  asio::io_context io;
 
-  ``''''''``  asio::deadline_timer t(io, boost::posix_time::seconds(5));
+  ``''''''``  asio::steady_timer t(io, asio::chrono::seconds(5));
 
 
 
-Next, instead of doing a blocking wait as in tutorial Timer.1, we call the [link asio.reference.basic_deadline_timer.async_wait deadline_timer::async_wait()] function to perform an asynchronous wait. When calling this function we pass the `print` callback handler that was defined above.
+Next, instead of doing a blocking wait as in tutorial Timer.1, we call the [link asio.reference.basic_waitable_timer.async_wait steady_timer::async_wait()] function to perform an asynchronous wait. When calling this function we pass the `print` callback handler that was defined above.
 
 
   ``''''''``  t.async_wait(&print);
@@ -215,7 +206,7 @@ The asio library provides a guarantee that callback handlers will only be called
 
 The [link asio.reference.io_context.run io_context::run()] function will also continue to run while there is still "work" to do. In this example, the work is the asynchronous wait on the timer, so the call will not return until the timer has expired and the callback has completed.
 
-It is important to remember to give the io\_context some work to do before calling [link asio.reference.io_context.run io_context::run()]. For example, if we had omitted the above call to [link asio.reference.basic_deadline_timer.async_wait deadline_timer::async_wait()], the io\_context would not have had any work to do, and consequently [link asio.reference.io_context.run io_context::run()] would have returned immediately.
+It is important to remember to give the io\_context some work to do before calling [link asio.reference.io_context.run io_context::run()]. For example, if we had omitted the above call to [link asio.reference.basic_waitable_timer.async_wait steady_timer::async_wait()], the io\_context would not have had any work to do, and consequently [link asio.reference.io_context.run io_context::run()] would have returned immediately.
 
 
   ``''''''``  io.run();
@@ -242,7 +233,7 @@ Next: [link asio.tutorial.tuttimer3 Timer.3 - Binding arguments to a handler]
   ``''''''``// timer.cpp
   ``''''''``// ~~~~~~~~~
   ``''''''``//
-  ``''''''``// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+  ``''''''``// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   ``''''''``//
   ``''''''``// Distributed under the Boost Software License, Version 1.0. (See accompanying
   ``''''''``// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -250,7 +241,6 @@ Next: [link asio.tutorial.tuttimer3 Timer.3 - Binding arguments to a handler]
 
   ``''''''``#include <iostream>
   ``''''''``#include <asio.hpp>
-  ``''''''``#include <boost/date_time/posix_time/posix_time.hpp>
 
   ``''''''``void print(const asio::error_code& /*e*/)
   ``''''''``{
@@ -261,7 +251,7 @@ Next: [link asio.tutorial.tuttimer3 Timer.3 - Binding arguments to a handler]
   ``''''''``{
   ``''''''``  asio::io_context io;
 
-  ``''''''``  asio::deadline_timer t(io, boost::posix_time::seconds(5));
+  ``''''''``  asio::steady_timer t(io, asio::chrono::seconds(5));
   ``''''''``  t.async_wait(&print);
 
   ``''''''``  io.run();
@@ -287,7 +277,6 @@ In this tutorial we will modify the program from tutorial Timer.2 so that the ti
   ``''''''``#include <iostream>
   ``''''''``#include <asio.hpp>
   ``''''''``#include <boost/bind.hpp>
-  ``''''''``#include <boost/date_time/posix_time/posix_time.hpp>
 
 
 
@@ -302,7 +291,7 @@ To implement a repeating timer using asio you need to change the timer's expiry
 
 
   ``''''''``void print(const asio::error_code& /*e*/,
-  ``''''''``    asio::deadline_timer* t, int* count)
+  ``''''''``    asio::steady_timer* t, int* count)
   ``''''''``{
 
 
@@ -321,11 +310,11 @@ Next we move the expiry time for the timer along by one second from the previous
 
 
 
-  ``''''''``    t->expires_at(t->expires_at() + boost::posix_time::seconds(1));
+  ``''''''``    t->expires_at(t->expiry() + asio::chrono::seconds(1));
 
 
 
-Then we start a new asynchronous wait on the timer. As you can see, the [link asio.tutorial.boost_bind boost::bind]  function is used to associate the extra parameters with your callback handler. The [link asio.reference.basic_deadline_timer.async_wait deadline_timer::async_wait()] function expects a handler function (or function object) with the signature `void(const asio::error_code&)`. Binding the additional parameters converts your `print` function into a function object that matches the signature correctly.
+Then we start a new asynchronous wait on the timer. As you can see, the [link asio.tutorial.boost_bind boost::bind]  function is used to associate the extra parameters with your callback handler. The [link asio.reference.basic_waitable_timer.async_wait steady_timer::async_wait()] function expects a handler function (or function object) with the signature `void(const asio::error_code&)`. Binding the additional parameters converts your `print` function into a function object that matches the signature correctly.
 
 See the [@http://www.boost.org/libs/bind/bind.html Boost.Bind documentation] for more information on how to use [link asio.tutorial.boost_bind boost::bind] .
 
@@ -348,11 +337,11 @@ A new `count` variable is added so that we can stop the program when the timer f
 
 
   ``''''''``  int count = 0;
-  ``''''''``  asio::deadline_timer t(io, boost::posix_time::seconds(1));
+  ``''''''``  asio::steady_timer t(io, asio::chrono::seconds(1));
 
 
 
-As in Step 4, when making the call to [link asio.reference.basic_deadline_timer.async_wait deadline_timer::async_wait()] from `main` we bind the additional parameters needed for the `print` function.
+As in Step 4, when making the call to [link asio.reference.basic_waitable_timer.async_wait steady_timer::async_wait()] from `main` we bind the additional parameters needed for the `print` function.
 
 
   ``''''''``  t.async_wait(boost::bind(print,
@@ -390,7 +379,7 @@ Next: [link asio.tutorial.tuttimer4 Timer.4 - Using a member function as a handl
   ``''''''``// timer.cpp
   ``''''''``// ~~~~~~~~~
   ``''''''``//
-  ``''''''``// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+  ``''''''``// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   ``''''''``//
   ``''''''``// Distributed under the Boost Software License, Version 1.0. (See accompanying
   ``''''''``// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -399,17 +388,16 @@ Next: [link asio.tutorial.tuttimer4 Timer.4 - Using a member function as a handl
   ``''''''``#include <iostream>
   ``''''''``#include <asio.hpp>
   ``''''''``#include <boost/bind.hpp>
-  ``''''''``#include <boost/date_time/posix_time/posix_time.hpp>
 
   ``''''''``void print(const asio::error_code& /*e*/,
-  ``''''''``    asio::deadline_timer* t, int* count)
+  ``''''''``    asio::steady_timer* t, int* count)
   ``''''''``{
   ``''''''``  if (*count < 5)
   ``''''''``  {
   ``''''''``    std::cout << *count << std::endl;
   ``''''''``    ++(*count);
 
-  ``''''''``    t->expires_at(t->expires_at() + boost::posix_time::seconds(1));
+  ``''''''``    t->expires_at(t->expiry() + asio::chrono::seconds(1));
   ``''''''``    t->async_wait(boost::bind(print,
   ``''''''``          asio::placeholders::error, t, count));
   ``''''''``  }
@@ -420,7 +408,7 @@ Next: [link asio.tutorial.tuttimer4 Timer.4 - Using a member function as a handl
   ``''''''``  asio::io_context io;
 
   ``''''''``  int count = 0;
-  ``''''''``  asio::deadline_timer t(io, boost::posix_time::seconds(1));
+  ``''''''``  asio::steady_timer t(io, asio::chrono::seconds(1));
   ``''''''``  t.async_wait(boost::bind(print,
   ``''''''``        asio::placeholders::error, &t, &count));
 
@@ -449,7 +437,6 @@ In this tutorial we will see how to use a class member function as a callback ha
   ``''''''``#include <iostream>
   ``''''''``#include <asio.hpp>
   ``''''''``#include <boost/bind.hpp>
-  ``''''''``#include <boost/date_time/posix_time/posix_time.hpp>
 
 
 
@@ -467,7 +454,7 @@ The constructor of this class will take a reference to the io\_context object an
 
 
   ``''''''``  printer(asio::io_context& io)
-  ``''''''``    : timer_(io, boost::posix_time::seconds(1)),
+  ``''''''``    : timer_(io, asio::chrono::seconds(1)),
   ``''''''``      count_(0)
   ``''''''``  {
 
@@ -505,13 +492,13 @@ The `print` member function is very similar to the `print` function from tutoria
   ``''''''``      std::cout << count_ << std::endl;
   ``''''''``      ++count_;
 
-  ``''''''``      timer_.expires_at(timer_.expires_at() + boost::posix_time::seconds(1));
+  ``''''''``      timer_.expires_at(timer_.expiry() + asio::chrono::seconds(1));
   ``''''''``      timer_.async_wait(boost::bind(&printer::print, this));
   ``''''''``    }
   ``''''''``  }
 
   ``''''''``private:
-  ``''''''``  asio::deadline_timer timer_;
+  ``''''''``  asio::steady_timer timer_;
   ``''''''``  int count_;
   ``''''''``};
 
@@ -551,7 +538,7 @@ Next: [link asio.tutorial.tuttimer5 Timer.5 - Synchronising handlers in multithr
   ``''''''``// timer.cpp
   ``''''''``// ~~~~~~~~~
   ``''''''``//
-  ``''''''``// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+  ``''''''``// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   ``''''''``//
   ``''''''``// Distributed under the Boost Software License, Version 1.0. (See accompanying
   ``''''''``// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -560,13 +547,12 @@ Next: [link asio.tutorial.tuttimer5 Timer.5 - Synchronising handlers in multithr
   ``''''''``#include <iostream>
   ``''''''``#include <asio.hpp>
   ``''''''``#include <boost/bind.hpp>
-  ``''''''``#include <boost/date_time/posix_time/posix_time.hpp>
 
   ``''''''``class printer
   ``''''''``{
   ``''''''``public:
   ``''''''``  printer(asio::io_context& io)
-  ``''''''``    : timer_(io, boost::posix_time::seconds(1)),
+  ``''''''``    : timer_(io, asio::chrono::seconds(1)),
   ``''''''``      count_(0)
   ``''''''``  {
   ``''''''``    timer_.async_wait(boost::bind(&printer::print, this));
@@ -584,13 +570,13 @@ Next: [link asio.tutorial.tuttimer5 Timer.5 - Synchronising handlers in multithr
   ``''''''``      std::cout << count_ << std::endl;
   ``''''''``      ++count_;
 
-  ``''''''``      timer_.expires_at(timer_.expires_at() + boost::posix_time::seconds(1));
+  ``''''''``      timer_.expires_at(timer_.expiry() + asio::chrono::seconds(1));
   ``''''''``      timer_.async_wait(boost::bind(&printer::print, this));
   ``''''''``    }
   ``''''''``  }
 
   ``''''''``private:
-  ``''''''``  asio::deadline_timer timer_;
+  ``''''''``  asio::steady_timer timer_;
   ``''''''``  int count_;
   ``''''''``};
 
@@ -612,7 +598,7 @@ Return to [link asio.tutorial.tuttimer4 Timer.4 - Using a member function as a h
 [section:tuttimer5 Timer.5 - Synchronising handlers in multithreaded programs]
 
 This tutorial demonstrates the use of the 
-[link asio.reference.io_context__strand io_context::strand] class to synchronise callback handlers in a multithreaded program.
+[link asio.reference.strand strand] class template to synchronise callback handlers in a multithreaded program.
 
 The previous four tutorials avoided the issue of handler synchronisation by calling the [link asio.reference.io_context.run io_context::run()] function from one thread only. As you already know, the asio library provides a guarantee that callback handlers will only be called from threads that are currently calling [link asio.reference.io_context.run io_context::run()]. Consequently, calling [link asio.reference.io_context.run io_context::run()] from only one thread ensures that callback handlers cannot run concurrently.
 
@@ -636,7 +622,6 @@ If you find yourself running into these limitations, an alternative approach is
   ``''''''``#include <iostream>
   ``''''''``#include <asio.hpp>
   ``''''''``#include <boost/bind.hpp>
-  ``''''''``#include <boost/date_time/posix_time/posix_time.hpp>
 
 
 
@@ -650,28 +635,26 @@ We start by defining a class called `printer`, similar to the class in the previ
 
 
 
-In addition to initialising a pair of asio::deadline\_timer members, the constructor initialises the `strand_` member, an object of type 
-[link asio.reference.io_context__strand io_context::strand].
+In addition to initialising a pair of asio::steady\_timer members, the constructor initialises the `strand_` member, an object of type asio::strand<asio::io\_context::executor\_type>.
 
-An 
-[link asio.reference.io_context__strand io_context::strand] is an executor that guarantees that, for those handlers that are dispatched through it, an executing handler will be allowed to complete before the next one is started. This is guaranteed irrespective of the number of threads that are calling [link asio.reference.io_context.run io_context::run()]. Of course, the handlers may still execute concurrently with other handlers that were not dispatched through an 
-[link asio.reference.io_context__strand io_context::strand], or were dispatched through a different 
-[link asio.reference.io_context__strand io_context::strand] object.
+The 
+[link asio.reference.strand strand] class template is an executor adapter that guarantees that, for those handlers that are dispatched through it, an executing handler will be allowed to complete before the next one is started. This is guaranteed irrespective of the number of threads that are calling [link asio.reference.io_context.run io_context::run()]. Of course, the handlers may still execute concurrently with other handlers that were not dispatched through an 
+[link asio.reference.strand strand], or were dispatched through a different 
+[link asio.reference.strand strand] object.
 
 
   ``''''''``  printer(asio::io_context& io)
-  ``''''''``    : strand_(io),
-  ``''''''``      timer1_(io, boost::posix_time::seconds(1)),
-  ``''''''``      timer2_(io, boost::posix_time::seconds(1)),
+  ``''''''``    : strand_(asio::make_strand(io)),
+  ``''''''``      timer1_(io, asio::chrono::seconds(1)),
+  ``''''''``      timer2_(io, asio::chrono::seconds(1)),
   ``''''''``      count_(0)
   ``''''''``  {
 
 
 
-When initiating the asynchronous operations, each callback handler is "bound" to an 
-[link asio.reference.io_context__strand io_context::strand] object. The asio::io\_context::strand::bind\_executor() function returns a new handler that automatically dispatches its contained handler through the 
-[link asio.reference.io_context__strand io_context::strand] object. By binding the handlers to the same 
-[link asio.reference.io_context__strand io_context::strand], we are ensuring that they cannot execute concurrently.
+When initiating the asynchronous operations, each callback handler is "bound" to an asio::strand<asio::io\_context::executor\_type> object. The asio::bind\_executor() function returns a new handler that automatically dispatches its contained handler through the 
+[link asio.reference.strand strand] object. By binding the handlers to the same 
+[link asio.reference.strand strand], we are ensuring that they cannot execute concurrently.
 
 
   ``''''''``    timer1_.async_wait(asio::bind_executor(strand_,
@@ -699,7 +682,7 @@ In a multithreaded program, the handlers for asynchronous operations should be s
   ``''''''``      std::cout << "Timer 1: " << count_ << std::endl;
   ``''''''``      ++count_;
 
-  ``''''''``      timer1_.expires_at(timer1_.expires_at() + boost::posix_time::seconds(1));
+  ``''''''``      timer1_.expires_at(timer1_.expiry() + asio::chrono::seconds(1));
 
   ``''''''``      timer1_.async_wait(asio::bind_executor(strand_,
   ``''''''``            boost::bind(&printer::print1, this)));
@@ -713,7 +696,7 @@ In a multithreaded program, the handlers for asynchronous operations should be s
   ``''''''``      std::cout << "Timer 2: " << count_ << std::endl;
   ``''''''``      ++count_;
 
-  ``''''''``      timer2_.expires_at(timer2_.expires_at() + boost::posix_time::seconds(1));
+  ``''''''``      timer2_.expires_at(timer2_.expiry() + asio::chrono::seconds(1));
 
   ``''''''``      timer2_.async_wait(asio::bind_executor(strand_,
   ``''''''``            boost::bind(&printer::print2, this)));
@@ -721,9 +704,9 @@ In a multithreaded program, the handlers for asynchronous operations should be s
   ``''''''``  }
 
   ``''''''``private:
-  ``''''''``  asio::io_context::strand strand_;
-  ``''''''``  asio::deadline_timer timer1_;
-  ``''''''``  asio::deadline_timer timer2_;
+  ``''''''``  asio::strand<asio::io_context::executor_type> strand_;
+  ``''''''``  asio::steady_timer timer1_;
+  ``''''''``  asio::steady_timer timer2_;
   ``''''''``  int count_;
   ``''''''``};
 
@@ -766,7 +749,7 @@ Previous: [link asio.tutorial.tuttimer4 Timer.4 - Using a member function as a h
   ``''''''``// timer.cpp
   ``''''''``// ~~~~~~~~~
   ``''''''``//
-  ``''''''``// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+  ``''''''``// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   ``''''''``//
   ``''''''``// Distributed under the Boost Software License, Version 1.0. (See accompanying
   ``''''''``// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -775,15 +758,14 @@ Previous: [link asio.tutorial.tuttimer4 Timer.4 - Using a member function as a h
   ``''''''``#include <iostream>
   ``''''''``#include <asio.hpp>
   ``''''''``#include <boost/bind.hpp>
-  ``''''''``#include <boost/date_time/posix_time/posix_time.hpp>
 
   ``''''''``class printer
   ``''''''``{
   ``''''''``public:
   ``''''''``  printer(asio::io_context& io)
-  ``''''''``    : strand_(io),
-  ``''''''``      timer1_(io, boost::posix_time::seconds(1)),
-  ``''''''``      timer2_(io, boost::posix_time::seconds(1)),
+  ``''''''``    : strand_(asio::make_strand(io)),
+  ``''''''``      timer1_(io, asio::chrono::seconds(1)),
+  ``''''''``      timer2_(io, asio::chrono::seconds(1)),
   ``''''''``      count_(0)
   ``''''''``  {
   ``''''''``    timer1_.async_wait(asio::bind_executor(strand_,
@@ -805,7 +787,7 @@ Previous: [link asio.tutorial.tuttimer4 Timer.4 - Using a member function as a h
   ``''''''``      std::cout << "Timer 1: " << count_ << std::endl;
   ``''''''``      ++count_;
 
-  ``''''''``      timer1_.expires_at(timer1_.expires_at() + boost::posix_time::seconds(1));
+  ``''''''``      timer1_.expires_at(timer1_.expiry() + asio::chrono::seconds(1));
 
   ``''''''``      timer1_.async_wait(asio::bind_executor(strand_,
   ``''''''``            boost::bind(&printer::print1, this)));
@@ -819,7 +801,7 @@ Previous: [link asio.tutorial.tuttimer4 Timer.4 - Using a member function as a h
   ``''''''``      std::cout << "Timer 2: " << count_ << std::endl;
   ``''''''``      ++count_;
 
-  ``''''''``      timer2_.expires_at(timer2_.expires_at() + boost::posix_time::seconds(1));
+  ``''''''``      timer2_.expires_at(timer2_.expiry() + asio::chrono::seconds(1));
 
   ``''''''``      timer2_.async_wait(asio::bind_executor(strand_,
   ``''''''``            boost::bind(&printer::print2, this)));
@@ -827,9 +809,9 @@ Previous: [link asio.tutorial.tuttimer4 Timer.4 - Using a member function as a h
   ``''''''``  }
 
   ``''''''``private:
-  ``''''''``  asio::io_context::strand strand_;
-  ``''''''``  asio::deadline_timer timer1_;
-  ``''''''``  asio::deadline_timer timer2_;
+  ``''''''``  asio::strand<asio::io_context::executor_type> strand_;
+  ``''''''``  asio::steady_timer timer1_;
+  ``''''''``  asio::steady_timer timer2_;
   ``''''''``  int count_;
   ``''''''``};
 
@@ -955,7 +937,7 @@ Next: [link asio.tutorial.tutdaytime2 Daytime.2 - A synchronous TCP daytime serv
   ``''''''``// client.cpp
   ``''''''``// ~~~~~~~~~~
   ``''''''``//
-  ``''''''``// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+  ``''''''``// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   ``''''''``//
   ``''''''``// Distributed under the Boost Software License, Version 1.0. (See accompanying
   ``''''''``// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -1114,7 +1096,7 @@ Next: [link asio.tutorial.tutdaytime3 Daytime.3 - An asynchronous TCP daytime se
   ``''''''``// server.cpp
   ``''''''``// ~~~~~~~~~~
   ``''''''``//
-  ``''''''``// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+  ``''''''``// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   ``''''''``//
   ``''''''``// Distributed under the Boost Software License, Version 1.0. (See accompanying
   ``''''''``// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -1217,7 +1199,8 @@ The constructor initialises an acceptor to listen on TCP port 13.
 
 
   ``''''''``  tcp_server(asio::io_context& io_context)
-  ``''''''``    : acceptor_(io_context, tcp::endpoint(tcp::v4(), 13))
+  ``''''''``    : io_context_(io_context),
+  ``''''''``      acceptor_(io_context, tcp::endpoint(tcp::v4(), 13))
   ``''''''``  {
   ``''''''``    start_accept();
   ``''''''``  }
@@ -1232,7 +1215,7 @@ The function `start_accept()` creates a socket and initiates an asynchronous acc
   ``''''''``  void start_accept()
   ``''''''``  {
   ``''''''``    tcp_connection::pointer new_connection =
-  ``''''''``      tcp_connection::create(acceptor_.get_executor().context());
+  ``''''''``      tcp_connection::create(io_context_);
 
   ``''''''``    acceptor_.async_accept(new_connection->socket(),
   ``''''''``        boost::bind(&tcp_server::handle_accept, this, new_connection,
@@ -1366,7 +1349,7 @@ Next: [link asio.tutorial.tutdaytime4 Daytime.4 - A synchronous UDP daytime clie
   ``''''''``// server.cpp
   ``''''''``// ~~~~~~~~~~
   ``''''''``//
-  ``''''''``// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+  ``''''''``// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   ``''''''``//
   ``''''''``// Distributed under the Boost Software License, Version 1.0. (See accompanying
   ``''''''``// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -1434,7 +1417,8 @@ Next: [link asio.tutorial.tutdaytime4 Daytime.4 - A synchronous UDP daytime clie
   ``''''''``{
   ``''''''``public:
   ``''''''``  tcp_server(asio::io_context& io_context)
-  ``''''''``    : acceptor_(io_context, tcp::endpoint(tcp::v4(), 13))
+  ``''''''``    : io_context_(io_context),
+  ``''''''``      acceptor_(io_context, tcp::endpoint(tcp::v4(), 13))
   ``''''''``  {
   ``''''''``    start_accept();
   ``''''''``  }
@@ -1443,7 +1427,7 @@ Next: [link asio.tutorial.tutdaytime4 Daytime.4 - A synchronous UDP daytime clie
   ``''''''``  void start_accept()
   ``''''''``  {
   ``''''''``    tcp_connection::pointer new_connection =
-  ``''''''``      tcp_connection::create(acceptor_.get_executor().context());
+  ``''''''``      tcp_connection::create(io_context_);
 
   ``''''''``    acceptor_.async_accept(new_connection->socket(),
   ``''''''``        boost::bind(&tcp_server::handle_accept, this, new_connection,
@@ -1461,6 +1445,7 @@ Next: [link asio.tutorial.tutdaytime4 Daytime.4 - A synchronous UDP daytime clie
   ``''''''``    start_accept();
   ``''''''``  }
 
+  ``''''''``  asio::io_context& io_context_;
   ``''''''``  tcp::acceptor acceptor_;
   ``''''''``};
 
@@ -1575,7 +1560,7 @@ Next: [link asio.tutorial.tutdaytime5 Daytime.5 - A synchronous UDP daytime serv
   ``''''''``// client.cpp
   ``''''''``// ~~~~~~~~~~
   ``''''''``//
-  ``''''''``// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+  ``''''''``// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   ``''''''``//
   ``''''''``// Distributed under the Boost Software License, Version 1.0. (See accompanying
   ``''''''``// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -1692,7 +1677,7 @@ Next: [link asio.tutorial.tutdaytime6 Daytime.6 - An asynchronous UDP daytime se
   ``''''''``// server.cpp
   ``''''''``// ~~~~~~~~~~
   ``''''''``//
-  ``''''''``// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+  ``''''''``// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   ``''''''``//
   ``''''''``// Distributed under the Boost Software License, Version 1.0. (See accompanying
   ``''''''``// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -1907,7 +1892,7 @@ Next: [link asio.tutorial.tutdaytime7 Daytime.7 - A combined TCP/UDP asynchronou
   ``''''''``// server.cpp
   ``''''''``// ~~~~~~~~~~
   ``''''''``//
-  ``''''''``// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+  ``''''''``// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   ``''''''``//
   ``''''''``// Distributed under the Boost Software License, Version 1.0. (See accompanying
   ``''''''``// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -2091,7 +2076,8 @@ The following two classes are taken from [link asio.tutorial.tutdaytime3 Daytime
   ``''''''``{
   ``''''''``public:
   ``''''''``  tcp_server(asio::io_context& io_context)
-  ``''''''``    : acceptor_(io_context, tcp::endpoint(tcp::v4(), 13))
+  ``''''''``    : io_context_(io_context),
+  ``''''''``      acceptor_(io_context, tcp::endpoint(tcp::v4(), 13))
   ``''''''``  {
   ``''''''``    start_accept();
   ``''''''``  }
@@ -2100,7 +2086,7 @@ The following two classes are taken from [link asio.tutorial.tutdaytime3 Daytime
   ``''''''``  void start_accept()
   ``''''''``  {
   ``''''''``    tcp_connection::pointer new_connection =
-  ``''''''``      tcp_connection::create(acceptor_.get_executor().context());
+  ``''''''``      tcp_connection::create(io_context_);
 
   ``''''''``    acceptor_.async_accept(new_connection->socket(),
   ``''''''``        boost::bind(&tcp_server::handle_accept, this, new_connection,
@@ -2118,6 +2104,7 @@ The following two classes are taken from [link asio.tutorial.tutdaytime3 Daytime
   ``''''''``    start_accept();
   ``''''''``  }
 
+  ``''''''``  asio::io_context& io_context_;
   ``''''''``  tcp::acceptor acceptor_;
   ``''''''``};
 
@@ -2186,7 +2173,7 @@ Previous: [link asio.tutorial.tutdaytime6 Daytime.6 - An asynchronous UDP daytim
   ``''''''``// server.cpp
   ``''''''``// ~~~~~~~~~~
   ``''''''``//
-  ``''''''``// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+  ``''''''``// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   ``''''''``//
   ``''''''``// Distributed under the Boost Software License, Version 1.0. (See accompanying
   ``''''''``// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -2253,7 +2240,8 @@ Previous: [link asio.tutorial.tutdaytime6 Daytime.6 - An asynchronous UDP daytim
   ``''''''``{
   ``''''''``public:
   ``''''''``  tcp_server(asio::io_context& io_context)
-  ``''''''``    : acceptor_(io_context, tcp::endpoint(tcp::v4(), 13))
+  ``''''''``    : io_context_(io_context),
+  ``''''''``      acceptor_(io_context, tcp::endpoint(tcp::v4(), 13))
   ``''''''``  {
   ``''''''``    start_accept();
   ``''''''``  }
@@ -2262,7 +2250,7 @@ Previous: [link asio.tutorial.tutdaytime6 Daytime.6 - An asynchronous UDP daytim
   ``''''''``  void start_accept()
   ``''''''``  {
   ``''''''``    tcp_connection::pointer new_connection =
-  ``''''''``      tcp_connection::create(acceptor_.get_executor().context());
+  ``''''''``      tcp_connection::create(io_context_);
 
   ``''''''``    acceptor_.async_accept(new_connection->socket(),
   ``''''''``        boost::bind(&tcp_server::handle_accept, this, new_connection,
@@ -2280,6 +2268,7 @@ Previous: [link asio.tutorial.tutdaytime6 Daytime.6 - An asynchronous UDP daytim
   ``''''''``    start_accept();
   ``''''''``  }
 
+  ``''''''``  asio::io_context& io_context_;
   ``''''''``  tcp::acceptor acceptor_;
   ``''''''``};
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/tutorial.xsl b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/tutorial.xsl
index 4270035..0774a91 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/tutorial.xsl
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/tutorial.xsl
@@ -2,7 +2,7 @@
 <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
 
 <!--
-  Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+  Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 
   Distributed under the Boost Software License, Version 1.0. (See accompanying
   file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -20,7 +20,7 @@
 
 <xsl:template match="/doxygen">
 <xsl:text>[/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/using.qbk b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/using.qbk
index fba60a5..81f509e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/using.qbk
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/doc/using.qbk
@@ -1,5 +1,5 @@
 [/
- / Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+ / Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  /
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -292,16 +292,6 @@ Asio.
         the map.
     ]
   ]
-  [
-    [`ASIO_ENABLE_OLD_SERVICES`]
-    [
-      The service template parameters, and the corresponding classes, are
-      disabled by default. For example, instead of `basic_socket<Protocol,
-      SocketService>` we now have simply `basic_socket<Protocol>`. The old
-      interface can be enabled by defining the `ASIO_ENABLE_OLD_SERVICES`
-      macro.
-    ]
-  ]
 ]
 
 [heading Mailing List]
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/Makefile.am b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/Makefile.am
index adacab8..0e6e0d3 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/Makefile.am
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/Makefile.am
@@ -40,6 +40,7 @@ noinst_PROGRAMS = \
 	socks4/sync_client \
 	timeouts/async_tcp_client \
 	timeouts/blocking_tcp_client \
+	timeouts/blocking_token_tcp_client \
 	timeouts/blocking_udp_client \
 	timeouts/server \
 	timers/time_t_timer \
@@ -153,6 +154,7 @@ services_daytime_client_SOURCES = \
 socks4_sync_client_SOURCES = socks4/sync_client.cpp
 timeouts_async_tcp_client_SOURCES = timeouts/async_tcp_client.cpp
 timeouts_blocking_tcp_client_SOURCES = timeouts/blocking_tcp_client.cpp
+timeouts_blocking_token_tcp_client_SOURCES = timeouts/blocking_token_tcp_client.cpp
 timeouts_blocking_udp_client_SOURCES = timeouts/blocking_udp_client.cpp
 timeouts_server_SOURCES = timeouts/server.cpp
 timers_time_t_timer_SOURCES = timers/time_t_timer.cpp
@@ -243,8 +245,7 @@ EXTRA_DIST = \
 	ssl/README \
 	ssl/ca.pem \
 	ssl/server.pem \
-	ssl/dh2048.pem \
-	timers/tick_count_timer.cpp
+	ssl/dh2048.pem
 
 MAINTAINERCLEANFILES = \
 	$(srcdir)/Makefile.in
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/allocation/server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/allocation/server.cpp
index 5db3e5c..89e3a50 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/allocation/server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/allocation/server.cpp
@@ -2,7 +2,7 @@
 // server.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/buffers/reference_counted.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/buffers/reference_counted.cpp
index c6b2036..a22ba84 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/buffers/reference_counted.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/buffers/reference_counted.cpp
@@ -2,7 +2,7 @@
 // reference_counted.cpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/chat/chat_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/chat/chat_client.cpp
index 99898fa..427e1ad 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/chat/chat_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/chat/chat_client.cpp
@@ -2,7 +2,7 @@
 // chat_client.cpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/chat/chat_message.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/chat/chat_message.hpp
index 75d31ab..7cf96a5 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/chat/chat_message.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/chat/chat_message.hpp
@@ -2,7 +2,7 @@
 // chat_message.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/chat/chat_server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/chat/chat_server.cpp
index ff096c4..53e41c8 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/chat/chat_server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/chat/chat_server.cpp
@@ -2,7 +2,7 @@
 // chat_server.cpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/chat/posix_chat_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/chat/posix_chat_client.cpp
index f6afcef..6c73da1 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/chat/posix_chat_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/chat/posix_chat_client.cpp
@@ -2,7 +2,7 @@
 // posix_chat_client.cpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/echo/async_tcp_echo_server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/echo/async_tcp_echo_server.cpp
index 4b8b4a2..fe93eef 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/echo/async_tcp_echo_server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/echo/async_tcp_echo_server.cpp
@@ -2,7 +2,7 @@
 // async_tcp_echo_server.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/echo/async_udp_echo_server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/echo/async_udp_echo_server.cpp
index f8a4dc0..cd844e9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/echo/async_udp_echo_server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/echo/async_udp_echo_server.cpp
@@ -2,7 +2,7 @@
 // async_udp_echo_server.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/echo/blocking_tcp_echo_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/echo/blocking_tcp_echo_client.cpp
index 03c8bde..0d15a5e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/echo/blocking_tcp_echo_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/echo/blocking_tcp_echo_client.cpp
@@ -2,7 +2,7 @@
 // blocking_tcp_echo_client.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/echo/blocking_tcp_echo_server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/echo/blocking_tcp_echo_server.cpp
index c86809f..f84dda4 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/echo/blocking_tcp_echo_server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/echo/blocking_tcp_echo_server.cpp
@@ -2,7 +2,7 @@
 // blocking_tcp_echo_server.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/echo/blocking_udp_echo_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/echo/blocking_udp_echo_client.cpp
index b2f056e..8941606 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/echo/blocking_udp_echo_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/echo/blocking_udp_echo_client.cpp
@@ -2,7 +2,7 @@
 // blocking_udp_echo_client.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/echo/blocking_udp_echo_server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/echo/blocking_udp_echo_server.cpp
index 9a7189a..b094c7f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/echo/blocking_udp_echo_server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/echo/blocking_udp_echo_server.cpp
@@ -2,7 +2,7 @@
 // blocking_udp_echo_server.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/fork/daemon.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/fork/daemon.cpp
index 126f7f2..7c5e90c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/fork/daemon.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/fork/daemon.cpp
@@ -2,7 +2,7 @@
 // daemon.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/fork/process_per_connection.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/fork/process_per_connection.cpp
index affe1b5..c43eac6 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/fork/process_per_connection.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/fork/process_per_connection.cpp
@@ -2,7 +2,7 @@
 // process_per_connection.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/client/async_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/client/async_client.cpp
index 57b05bc..1b0c4e6 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/client/async_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/client/async_client.cpp
@@ -2,7 +2,7 @@
 // async_client.cpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/client/sync_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/client/sync_client.cpp
index 1c7b5c8..8c11c4d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/client/sync_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/client/sync_client.cpp
@@ -2,7 +2,7 @@
 // sync_client.cpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/doc_root/data_1K.html b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/doc_root/data_1K.html
index 5088fa5..aa66624 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/doc_root/data_1K.html
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/doc_root/data_1K.html
@@ -1,5 +1,5 @@
 <!--
-Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 
 Distributed under the Boost Software License, Version 1.0. (See accompanying
 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/doc_root/data_2K.html b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/doc_root/data_2K.html
index 1eb130a..88b1700 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/doc_root/data_2K.html
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/doc_root/data_2K.html
@@ -1,5 +1,5 @@
 <!--
-Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 
 Distributed under the Boost Software License, Version 1.0. (See accompanying
 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/doc_root/data_4K.html b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/doc_root/data_4K.html
index b22fc9e..d39ccb8 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/doc_root/data_4K.html
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/doc_root/data_4K.html
@@ -1,5 +1,5 @@
 <!--
-Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 
 Distributed under the Boost Software License, Version 1.0. (See accompanying
 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/doc_root/data_8K.html b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/doc_root/data_8K.html
index dc15ba8..53f211e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/doc_root/data_8K.html
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/doc_root/data_8K.html
@@ -1,5 +1,5 @@
 <!--
-Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 
 Distributed under the Boost Software License, Version 1.0. (See accompanying
 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/connection.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/connection.cpp
index a4504e9..c62394a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/connection.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/connection.cpp
@@ -2,7 +2,7 @@
 // connection.cpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/connection.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/connection.hpp
index 4055c9f..bec1997 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/connection.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/connection.hpp
@@ -2,7 +2,7 @@
 // connection.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/connection_manager.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/connection_manager.cpp
index ac2ba36..e894b1a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/connection_manager.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/connection_manager.cpp
@@ -2,7 +2,7 @@
 // connection_manager.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/connection_manager.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/connection_manager.hpp
index 706c4e1..8fb529c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/connection_manager.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/connection_manager.hpp
@@ -2,7 +2,7 @@
 // connection_manager.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/header.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/header.hpp
index 877211f..067cc1f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/header.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/header.hpp
@@ -2,7 +2,7 @@
 // header.hpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/main.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/main.cpp
index 5d8c67d..9be835a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/main.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/main.cpp
@@ -2,7 +2,7 @@
 // main.cpp
 // ~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/mime_types.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/mime_types.cpp
index a03d5e7..939ab68 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/mime_types.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/mime_types.cpp
@@ -2,7 +2,7 @@
 // mime_types.cpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/mime_types.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/mime_types.hpp
index 891c443..950f84b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/mime_types.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/mime_types.hpp
@@ -2,7 +2,7 @@
 // mime_types.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/reply.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/reply.cpp
index d4c799d..24b69ea 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/reply.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/reply.cpp
@@ -2,7 +2,7 @@
 // reply.cpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/reply.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/reply.hpp
index 02063f8..60a7e1f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/reply.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/reply.hpp
@@ -2,7 +2,7 @@
 // reply.hpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/request.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/request.hpp
index 20efff4..1d0267b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/request.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/request.hpp
@@ -2,7 +2,7 @@
 // request.hpp
 // ~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/request_handler.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/request_handler.cpp
index 1b45ce5..e8df150 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/request_handler.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/request_handler.cpp
@@ -2,7 +2,7 @@
 // request_handler.cpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/request_handler.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/request_handler.hpp
index 542df83..3c19d99 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/request_handler.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/request_handler.hpp
@@ -2,7 +2,7 @@
 // request_handler.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/request_parser.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/request_parser.cpp
index bda4f1d..77aa8bd 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/request_parser.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/request_parser.cpp
@@ -2,7 +2,7 @@
 // request_parser.cpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/request_parser.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/request_parser.hpp
index f8c45be..2bf5a33 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/request_parser.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/request_parser.hpp
@@ -2,7 +2,7 @@
 // request_parser.hpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/server.cpp
index fdd2bd2..f19c19b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/server.cpp
@@ -2,7 +2,7 @@
 // server.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/server.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/server.hpp
index f6becbc..afae6c3 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/server.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server/server.hpp
@@ -2,7 +2,7 @@
 // server.hpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/connection.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/connection.cpp
index edba964..66d1d31 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/connection.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/connection.cpp
@@ -2,7 +2,7 @@
 // connection.cpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/connection.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/connection.hpp
index 34b7360..5e72cdb 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/connection.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/connection.hpp
@@ -2,7 +2,7 @@
 // connection.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/header.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/header.hpp
index 45613d3..fc8f7a5 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/header.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/header.hpp
@@ -2,7 +2,7 @@
 // header.hpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/io_context_pool.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/io_context_pool.cpp
index 69d5c2e..d56cbe0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/io_context_pool.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/io_context_pool.cpp
@@ -2,7 +2,7 @@
 // io_context_pool.cpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/io_context_pool.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/io_context_pool.hpp
index 9b22f01..bad4136 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/io_context_pool.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/io_context_pool.hpp
@@ -2,7 +2,7 @@
 // io_context_pool.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/main.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/main.cpp
index 0db91e3..233af16 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/main.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/main.cpp
@@ -2,7 +2,7 @@
 // main.cpp
 // ~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/mime_types.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/mime_types.cpp
index 5dee5eb..f140842 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/mime_types.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/mime_types.cpp
@@ -2,7 +2,7 @@
 // mime_types.cpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/mime_types.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/mime_types.hpp
index bf1f6d3..d73c049 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/mime_types.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/mime_types.hpp
@@ -2,7 +2,7 @@
 // mime_types.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/reply.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/reply.cpp
index f78d1c6..96b5b2e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/reply.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/reply.cpp
@@ -2,7 +2,7 @@
 // reply.cpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/reply.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/reply.hpp
index d9333a9..afb7a1f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/reply.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/reply.hpp
@@ -2,7 +2,7 @@
 // reply.hpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/request.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/request.hpp
index 0d70416..87b42c5 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/request.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/request.hpp
@@ -2,7 +2,7 @@
 // request.hpp
 // ~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/request_handler.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/request_handler.cpp
index 84f50b8..84d309e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/request_handler.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/request_handler.cpp
@@ -2,7 +2,7 @@
 // request_handler.cpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/request_handler.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/request_handler.hpp
index 75d8d0d..ad1e46b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/request_handler.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/request_handler.hpp
@@ -2,7 +2,7 @@
 // request_handler.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/request_parser.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/request_parser.cpp
index 8e2e463..c2acccd 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/request_parser.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/request_parser.cpp
@@ -2,7 +2,7 @@
 // request_parser.cpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/request_parser.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/request_parser.hpp
index a8c6945..d86b585 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/request_parser.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/request_parser.hpp
@@ -2,7 +2,7 @@
 // request_parser.hpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/server.cpp
index c37f3e7..88df1e1 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/server.cpp
@@ -2,7 +2,7 @@
 // server.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -33,7 +33,7 @@ server::server(const std::string& address, const std::string& port,
   signals_.async_wait(boost::bind(&server::handle_stop, this));
 
   // Open the acceptor with the option to reuse the address (i.e. SO_REUSEADDR).
-  asio::ip::tcp::resolver resolver(acceptor_.get_executor().context());
+  asio::ip::tcp::resolver resolver(acceptor_.get_executor());
   asio::ip::tcp::endpoint endpoint =
     *resolver.resolve(address, port).begin();
   acceptor_.open(endpoint.protocol());
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/server.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/server.hpp
index a40eb9a..aa502d9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/server.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server2/server.hpp
@@ -2,7 +2,7 @@
 // server.hpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/connection.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/connection.cpp
index e2c0e33..fb5f398 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/connection.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/connection.cpp
@@ -2,7 +2,7 @@
 // connection.cpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -18,8 +18,8 @@ namespace server3 {
 
 connection::connection(asio::io_context& io_context,
     request_handler& handler)
-  : strand_(io_context),
-    socket_(io_context),
+  : strand_(asio::make_strand(io_context)),
+    socket_(strand_),
     request_handler_(handler)
 {
 }
@@ -32,10 +32,9 @@ asio::ip::tcp::socket& connection::socket()
 void connection::start()
 {
   socket_.async_read_some(asio::buffer(buffer_),
-      asio::bind_executor(strand_,
-        boost::bind(&connection::handle_read, shared_from_this(),
-          asio::placeholders::error,
-          asio::placeholders::bytes_transferred)));
+      boost::bind(&connection::handle_read, shared_from_this(),
+        asio::placeholders::error,
+        asio::placeholders::bytes_transferred));
 }
 
 void connection::handle_read(const asio::error_code& e,
@@ -51,25 +50,22 @@ void connection::handle_read(const asio::error_code& e,
     {
       request_handler_.handle_request(request_, reply_);
       asio::async_write(socket_, reply_.to_buffers(),
-          asio::bind_executor(strand_,
-            boost::bind(&connection::handle_write, shared_from_this(),
-              asio::placeholders::error)));
+          boost::bind(&connection::handle_write, shared_from_this(),
+            asio::placeholders::error));
     }
     else if (!result)
     {
       reply_ = reply::stock_reply(reply::bad_request);
       asio::async_write(socket_, reply_.to_buffers(),
-          asio::bind_executor(strand_,
-            boost::bind(&connection::handle_write, shared_from_this(),
-              asio::placeholders::error)));
+          boost::bind(&connection::handle_write, shared_from_this(),
+            asio::placeholders::error));
     }
     else
     {
       socket_.async_read_some(asio::buffer(buffer_),
-          asio::bind_executor(strand_,
-            boost::bind(&connection::handle_read, shared_from_this(),
-              asio::placeholders::error,
-              asio::placeholders::bytes_transferred)));
+          boost::bind(&connection::handle_read, shared_from_this(),
+            asio::placeholders::error,
+            asio::placeholders::bytes_transferred));
     }
   }
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/connection.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/connection.hpp
index 53e92de..549665e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/connection.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/connection.hpp
@@ -2,7 +2,7 @@
 // connection.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -49,7 +49,7 @@ private:
   void handle_write(const asio::error_code& e);
 
   /// Strand to ensure the connection's handlers are not called concurrently.
-  asio::io_context::strand strand_;
+  asio::strand<asio::io_context::executor_type> strand_;
 
   /// Socket for the connection.
   asio::ip::tcp::socket socket_;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/header.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/header.hpp
index 54e034b..d419cbf 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/header.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/header.hpp
@@ -2,7 +2,7 @@
 // header.hpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/main.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/main.cpp
index b0b254e..5fa3019 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/main.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/main.cpp
@@ -2,7 +2,7 @@
 // main.cpp
 // ~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/mime_types.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/mime_types.cpp
index 97aba9d..53fe52f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/mime_types.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/mime_types.cpp
@@ -2,7 +2,7 @@
 // mime_types.cpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/mime_types.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/mime_types.hpp
index e4793e0..cde417e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/mime_types.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/mime_types.hpp
@@ -2,7 +2,7 @@
 // mime_types.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/reply.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/reply.cpp
index 251a740..f262105 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/reply.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/reply.cpp
@@ -2,7 +2,7 @@
 // reply.cpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/reply.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/reply.hpp
index 08b2a5d..63c90c0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/reply.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/reply.hpp
@@ -2,7 +2,7 @@
 // reply.hpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/request.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/request.hpp
index 388f80b..7e0b905 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/request.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/request.hpp
@@ -2,7 +2,7 @@
 // request.hpp
 // ~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/request_handler.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/request_handler.cpp
index 611d06c..b94def1 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/request_handler.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/request_handler.cpp
@@ -2,7 +2,7 @@
 // request_handler.cpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/request_handler.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/request_handler.hpp
index 167b377..aa6c11c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/request_handler.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/request_handler.hpp
@@ -2,7 +2,7 @@
 // request_handler.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/request_parser.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/request_parser.cpp
index 9ef5e7c..bc097b5 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/request_parser.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/request_parser.cpp
@@ -2,7 +2,7 @@
 // request_parser.cpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/request_parser.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/request_parser.hpp
index 20da2d5..0c78504 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/request_parser.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/request_parser.hpp
@@ -2,7 +2,7 @@
 // request_parser.hpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/server.cpp
index b2f8060..01ab0a0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/server.cpp
@@ -2,7 +2,7 @@
 // server.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/server.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/server.hpp
index 6dd7644..799a585 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/server.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server3/server.hpp
@@ -2,7 +2,7 @@
 // server.hpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/file_handler.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/file_handler.cpp
index d1cdb0e..dc5005c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/file_handler.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/file_handler.cpp
@@ -2,7 +2,7 @@
 // file_handler.cpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/file_handler.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/file_handler.hpp
index 678da52..7eadc75 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/file_handler.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/file_handler.hpp
@@ -2,7 +2,7 @@
 // file_handler.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/header.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/header.hpp
index 4478e1d..4ec15a5 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/header.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/header.hpp
@@ -2,7 +2,7 @@
 // header.hpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/main.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/main.cpp
index 9ec14c3..0779e9f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/main.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/main.cpp
@@ -2,7 +2,7 @@
 // main.cpp
 // ~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/mime_types.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/mime_types.cpp
index 255f628..ca28abf 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/mime_types.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/mime_types.cpp
@@ -2,7 +2,7 @@
 // mime_types.cpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/mime_types.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/mime_types.hpp
index 7f3f04f..3af83ba 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/mime_types.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/mime_types.hpp
@@ -2,7 +2,7 @@
 // mime_types.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/reply.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/reply.cpp
index d793b2d..c2e4540 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/reply.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/reply.cpp
@@ -2,7 +2,7 @@
 // reply.cpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/reply.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/reply.hpp
index e805d78..e44d28e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/reply.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/reply.hpp
@@ -2,7 +2,7 @@
 // reply.hpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/request.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/request.hpp
index ade91fa..c70100f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/request.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/request.hpp
@@ -2,7 +2,7 @@
 // request.hpp
 // ~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/request_parser.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/request_parser.cpp
index 974c5b9..88d1545 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/request_parser.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/request_parser.cpp
@@ -2,7 +2,7 @@
 // request_parser.cpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/request_parser.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/request_parser.hpp
index d601324..1f86b29 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/request_parser.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/request_parser.hpp
@@ -2,7 +2,7 @@
 // request_parser.hpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/server.cpp
index 370b615..9105a8d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/server.cpp
@@ -2,7 +2,7 @@
 // server.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -45,7 +45,7 @@ void server::operator()(asio::error_code ec, std::size_t length)
       do
       {
         // Create a new socket for the next incoming connection.
-        socket_.reset(new tcp::socket(acceptor_->get_executor().context()));
+        socket_.reset(new tcp::socket(acceptor_->get_executor()));
 
         // Accept a new connection. The "yield" pseudo-keyword saves the current
         // line number and exits the coroutine's "reenter" block. We use the
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/server.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/server.hpp
index 7f20942..a769b8d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/server.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/http/server4/server.hpp
@@ -2,7 +2,7 @@
 // server.hpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/icmp/icmp_header.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/icmp/icmp_header.hpp
index 12272e2..85821eb 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/icmp/icmp_header.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/icmp/icmp_header.hpp
@@ -2,7 +2,7 @@
 // icmp_header.hpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/icmp/ipv4_header.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/icmp/ipv4_header.hpp
index a35c228..55efbd9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/icmp/ipv4_header.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/icmp/ipv4_header.hpp
@@ -2,7 +2,7 @@
 // ipv4_header.hpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/icmp/ping.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/icmp/ping.cpp
index 6bd9c62..6d21820 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/icmp/ping.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/icmp/ping.cpp
@@ -2,7 +2,7 @@
 // ping.cpp
 // ~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -18,8 +18,8 @@
 #include "ipv4_header.hpp"
 
 using asio::ip::icmp;
-using asio::deadline_timer;
-namespace posix_time = boost::posix_time;
+using asio::steady_timer;
+namespace chrono = asio::chrono;
 
 class pinger
 {
@@ -53,12 +53,12 @@ private:
     os << echo_request << body;
 
     // Send the request.
-    time_sent_ = posix_time::microsec_clock::universal_time();
+    time_sent_ = steady_timer::clock_type::now();
     socket_.send_to(request_buffer.data(), destination_);
 
     // Wait up to five seconds for a reply.
     num_replies_ = 0;
-    timer_.expires_at(time_sent_ + posix_time::seconds(5));
+    timer_.expires_at(time_sent_ + chrono::seconds(5));
     timer_.async_wait(boost::bind(&pinger::handle_timeout, this));
   }
 
@@ -68,7 +68,7 @@ private:
       std::cout << "Request timed out" << std::endl;
 
     // Requests must be sent no less than one second apart.
-    timer_.expires_at(time_sent_ + posix_time::seconds(1));
+    timer_.expires_at(time_sent_ + chrono::seconds(1));
     timer_.async_wait(boost::bind(&pinger::start_send, this));
   }
 
@@ -106,12 +106,14 @@ private:
         timer_.cancel();
 
       // Print out some information about the reply packet.
-      posix_time::ptime now = posix_time::microsec_clock::universal_time();
+      chrono::steady_clock::time_point now = chrono::steady_clock::now();
+      chrono::steady_clock::duration elapsed = now - time_sent_;
       std::cout << length - ipv4_hdr.header_length()
         << " bytes from " << ipv4_hdr.source_address()
         << ": icmp_seq=" << icmp_hdr.sequence_number()
         << ", ttl=" << ipv4_hdr.time_to_live()
-        << ", time=" << (now - time_sent_).total_milliseconds() << " ms"
+        << ", time="
+        << chrono::duration_cast<chrono::milliseconds>(elapsed).count()
         << std::endl;
     }
 
@@ -130,9 +132,9 @@ private:
   icmp::resolver resolver_;
   icmp::endpoint destination_;
   icmp::socket socket_;
-  deadline_timer timer_;
+  steady_timer timer_;
   unsigned short sequence_number_;
-  posix_time::ptime time_sent_;
+  chrono::steady_clock::time_point time_sent_;
   asio::streambuf reply_buffer_;
   std::size_t num_replies_;
 };
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/invocation/prioritised_handlers.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/invocation/prioritised_handlers.cpp
index 3e7cfff..6ce8567 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/invocation/prioritised_handlers.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/invocation/prioritised_handlers.cpp
@@ -2,7 +2,7 @@
 // prioritised_handlers.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -15,7 +15,7 @@
 
 using asio::ip::tcp;
 
-class handler_priority_queue : asio::execution_context
+class handler_priority_queue : public asio::execution_context
 {
 public:
   void add(int priority, boost::function<void()> function)
@@ -153,8 +153,8 @@ int main()
   client_socket.connect(acceptor.local_endpoint());
 
   // Set a deadline timer to expire immediately.
-  asio::deadline_timer timer(io_context);
-  timer.expires_at(boost::posix_time::neg_infin);
+  asio::steady_timer timer(io_context);
+  timer.expires_at(asio::steady_timer::time_point::min());
   timer.async_wait(pri_queue.wrap(42, middle_priority_handler));
 
   while (io_context.run_one())
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/iostreams/daytime_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/iostreams/daytime_client.cpp
index cf496c2..4b4dde0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/iostreams/daytime_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/iostreams/daytime_client.cpp
@@ -2,7 +2,7 @@
 // daytime_client.cpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/iostreams/daytime_server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/iostreams/daytime_server.cpp
index 6a731a7..2380182 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/iostreams/daytime_server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/iostreams/daytime_server.cpp
@@ -2,7 +2,7 @@
 // daytime_server.cpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/iostreams/http_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/iostreams/http_client.cpp
index 89e6d07..1fcb82f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/iostreams/http_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/iostreams/http_client.cpp
@@ -2,7 +2,7 @@
 // http_client.cpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -33,7 +33,7 @@ int main(int argc, char* argv[])
     // The entire sequence of I/O operations must complete within 60 seconds.
     // If an expiry occurs, the socket is automatically closed and the stream
     // becomes bad.
-    s.expires_after(boost::posix_time::seconds(60));
+    s.expires_after(asio::chrono::seconds(60));
 
     // Establish a connection to the server.
     s.connect(argv[1], "http");
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/local/connect_pair.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/local/connect_pair.cpp
index 97a71b9..5aed5b4 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/local/connect_pair.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/local/connect_pair.cpp
@@ -2,7 +2,7 @@
 // connect_pair.cpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/local/iostream_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/local/iostream_client.cpp
index 1973731..ba256c4 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/local/iostream_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/local/iostream_client.cpp
@@ -2,7 +2,7 @@
 // stream_client.cpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/local/stream_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/local/stream_client.cpp
index 0bbabeb..ce024a2 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/local/stream_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/local/stream_client.cpp
@@ -2,7 +2,7 @@
 // stream_client.cpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/local/stream_server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/local/stream_server.cpp
index 3318b09..ec3390a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/local/stream_server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/local/stream_server.cpp
@@ -2,7 +2,7 @@
 // stream_server.cpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/multicast/receiver.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/multicast/receiver.cpp
index f4f39a7..1eca63d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/multicast/receiver.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/multicast/receiver.cpp
@@ -2,7 +2,7 @@
 // receiver.cpp
 // ~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/multicast/sender.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/multicast/sender.cpp
index 94d8aa6..6489e5c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/multicast/sender.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/multicast/sender.cpp
@@ -2,7 +2,7 @@
 // sender.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -13,7 +13,6 @@
 #include <string>
 #include "asio.hpp"
 #include "boost/bind.hpp"
-#include "boost/date_time/posix_time/posix_time_types.hpp"
 
 const short multicast_port = 30001;
 const int max_message_count = 10;
@@ -42,7 +41,7 @@ public:
   {
     if (!error && message_count_ < max_message_count)
     {
-      timer_.expires_from_now(boost::posix_time::seconds(1));
+      timer_.expires_after(asio::chrono::seconds(1));
       timer_.async_wait(
           boost::bind(&sender::handle_timeout, this,
             asio::placeholders::error));
@@ -67,7 +66,7 @@ public:
 private:
   asio::ip::udp::endpoint endpoint_;
   asio::ip::udp::socket socket_;
-  asio::deadline_timer timer_;
+  asio::steady_timer timer_;
   int message_count_;
   std::string message_;
 };
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/nonblocking/third_party_lib.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/nonblocking/third_party_lib.cpp
index 12579d4..834f6fb 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/nonblocking/third_party_lib.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/nonblocking/third_party_lib.cpp
@@ -2,7 +2,7 @@
 // third_party_lib.cpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -83,9 +83,9 @@ class connection
 public:
   typedef boost::shared_ptr<connection> pointer;
 
-  static pointer create(asio::io_context& io_context)
+  static pointer create(const asio::executor& ex)
   {
-    return pointer(new connection(io_context));
+    return pointer(new connection(ex));
   }
 
   tcp::socket& socket()
@@ -102,8 +102,8 @@ public:
   }
 
 private:
-  connection(asio::io_context& io_context)
-    : socket_(io_context),
+  connection(const asio::executor& ex)
+    : socket_(ex),
       session_impl_(socket_),
       read_in_progress_(false),
       write_in_progress_(false)
@@ -193,7 +193,7 @@ private:
   void start_accept()
   {
     connection::pointer new_connection =
-      connection::create(acceptor_.get_executor().context());
+      connection::create(acceptor_.get_executor());
 
     acceptor_.async_accept(new_connection->socket(),
         boost::bind(&server::handle_accept, this, new_connection,
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/porthopper/client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/porthopper/client.cpp
index 6aa2ad8..b7adc6d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/porthopper/client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/porthopper/client.cpp
@@ -2,7 +2,7 @@
 // client.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/porthopper/protocol.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/porthopper/protocol.hpp
index ecaa149..6adb306 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/porthopper/protocol.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/porthopper/protocol.hpp
@@ -2,7 +2,7 @@
 // protocol.hpp
 // ~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/porthopper/server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/porthopper/server.cpp
index d74b633..a7e9f9a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/porthopper/server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/porthopper/server.cpp
@@ -2,7 +2,7 @@
 // server.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -22,7 +22,7 @@ using asio::ip::tcp;
 using asio::ip::udp;
 
 typedef boost::shared_ptr<tcp::socket> tcp_socket_ptr;
-typedef boost::shared_ptr<asio::deadline_timer> timer_ptr;
+typedef boost::shared_ptr<asio::steady_timer> timer_ptr;
 typedef boost::shared_ptr<control_request> control_request_ptr;
 
 class server
@@ -36,14 +36,13 @@ public:
       next_frame_number_(1)
   {
     // Start waiting for a new control connection.
-    tcp_socket_ptr new_socket(
-        new tcp::socket(acceptor_.get_executor().context()));
+    tcp_socket_ptr new_socket(new tcp::socket(acceptor_.get_executor()));
     acceptor_.async_accept(*new_socket,
         boost::bind(&server::handle_accept, this,
           asio::placeholders::error, new_socket));
 
     // Start the timer used to generate outgoing frames.
-    timer_.expires_from_now(boost::posix_time::milliseconds(100));
+    timer_.expires_after(asio::chrono::milliseconds(100));
     timer_.async_wait(boost::bind(&server::handle_timer, this));
   }
 
@@ -60,8 +59,7 @@ public:
     }
 
     // Start waiting for a new control connection.
-    tcp_socket_ptr new_socket(
-        new tcp::socket(acceptor_.get_executor().context()));
+    tcp_socket_ptr new_socket(new tcp::socket(acceptor_.get_executor()));
     acceptor_.async_accept(*new_socket,
         boost::bind(&server::handle_accept, this,
           asio::placeholders::error, new_socket));
@@ -75,8 +73,8 @@ public:
     {
       // Delay handling of the control request to simulate network latency.
       timer_ptr delay_timer(
-          new asio::deadline_timer(acceptor_.get_executor().context()));
-      delay_timer->expires_from_now(boost::posix_time::seconds(2));
+          new asio::steady_timer(acceptor_.get_executor()));
+      delay_timer->expires_after(asio::chrono::seconds(2));
       delay_timer->async_wait(
           boost::bind(&server::handle_control_request_timer, this,
             socket, request, delay_timer));
@@ -142,7 +140,7 @@ public:
     }
 
     // Wait for next timeout.
-    timer_.expires_from_now(boost::posix_time::milliseconds(100));
+    timer_.expires_after(asio::chrono::milliseconds(100));
     timer_.async_wait(boost::bind(&server::handle_timer, this));
   }
 
@@ -151,7 +149,7 @@ private:
   tcp::acceptor acceptor_;
 
   // The timer used for generating data.
-  asio::deadline_timer timer_;
+  asio::steady_timer timer_;
 
   // The socket used to send data to subscribers.
   udp::socket udp_socket_;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/serialization/client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/serialization/client.cpp
index 4cc2aa9..8064448 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/serialization/client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/serialization/client.cpp
@@ -2,7 +2,7 @@
 // client.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -25,7 +25,7 @@ public:
   /// Constructor starts the asynchronous connect operation.
   client(asio::io_context& io_context,
       const std::string& host, const std::string& service)
-    : connection_(io_context)
+    : connection_(io_context.get_executor())
   {
     // Resolve the host name into an IP address.
     asio::ip::tcp::resolver resolver(io_context);
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/serialization/connection.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/serialization/connection.hpp
index eb233a6..c6bdab0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/serialization/connection.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/serialization/connection.hpp
@@ -2,7 +2,7 @@
 // connection.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -35,8 +35,8 @@ class connection
 {
 public:
   /// Constructor.
-  connection(asio::io_context& io_context)
-    : socket_(io_context)
+  connection(const asio::executor& ex)
+    : socket_(ex)
   {
   }
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/serialization/server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/serialization/server.cpp
index 2727456..5891296 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/serialization/server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/serialization/server.cpp
@@ -2,7 +2,7 @@
 // server.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -55,7 +55,7 @@ public:
     stocks_.push_back(s);
 
     // Start an accept operation for a new connection.
-    connection_ptr new_conn(new connection(acceptor_.get_io_context()));
+    connection_ptr new_conn(new connection(acceptor_.get_executor()));
     acceptor_.async_accept(new_conn->socket(),
         boost::bind(&server::handle_accept, this,
           asio::placeholders::error, new_conn));
@@ -75,7 +75,7 @@ public:
     }
 
     // Start an accept operation for a new connection.
-    connection_ptr new_conn(new connection(acceptor_.get_io_context()));
+    connection_ptr new_conn(new connection(acceptor_.get_executor()));
     acceptor_.async_accept(new_conn->socket(),
         boost::bind(&server::handle_accept, this,
           asio::placeholders::error, new_conn));
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/serialization/stock.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/serialization/stock.hpp
index 67a5d3f..70d7f09 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/serialization/stock.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/serialization/stock.hpp
@@ -2,7 +2,7 @@
 // stock.hpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/services/basic_logger.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/services/basic_logger.hpp
index d42d47b..a476862 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/services/basic_logger.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/services/basic_logger.hpp
@@ -2,7 +2,7 @@
 // basic_logger.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -34,13 +34,13 @@ public:
   /**
    * This constructor creates a logger.
    *
-   * @param io_context The io_context object used to locate the logger service.
+   * @param context The execution context used to locate the logger service.
    *
    * @param identifier An identifier for this logger.
    */
-  explicit basic_logger(asio::io_context& io_context,
+  explicit basic_logger(asio::execution_context& context,
       const std::string& identifier)
-    : service_(asio::use_service<Service>(io_context)),
+    : service_(asio::use_service<Service>(context)),
       impl_(service_.null())
   {
     service_.create(impl_, identifier);
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/services/daytime_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/services/daytime_client.cpp
index 0505609..26f2659 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/services/daytime_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/services/daytime_client.cpp
@@ -2,7 +2,7 @@
 // daytime_client.cpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/services/logger.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/services/logger.hpp
index 749620d..8234f6a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/services/logger.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/services/logger.hpp
@@ -2,7 +2,7 @@
 // logger.hpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/services/logger_service.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/services/logger_service.cpp
index ed38d89..e77079f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/services/logger_service.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/services/logger_service.cpp
@@ -2,16 +2,10 @@
 // logger_service.cpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 //
 
 #include "logger_service.hpp"
-
-namespace services {
-
-asio::io_context::id logger_service::id;
-
-} // namespace services
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/services/logger_service.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/services/logger_service.hpp
index 4798779..f939e4e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/services/logger_service.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/services/logger_service.hpp
@@ -2,7 +2,7 @@
 // logger_service.hpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -24,11 +24,11 @@ namespace services {
 
 /// Service implementation for the logger.
 class logger_service
-  : public asio::io_context::service
+  : public asio::execution_context::service
 {
 public:
-  /// The unique service identifier.
-  static asio::io_context::id id;
+  /// The type used to identify this service in the execution context.
+  typedef logger_service key_type;
 
   /// The backend implementation of a logger.
   struct logger_impl
@@ -41,8 +41,8 @@ public:
   typedef logger_impl* impl_type;
 
   /// Constructor creates a thread to run a private io_context.
-  logger_service(asio::io_context& io_context)
-    : asio::io_context::service(io_context),
+  logger_service(asio::execution_context& context)
+    : asio::execution_context::service(context),
       work_io_context_(),
       work_(asio::make_work_guard(work_io_context_)),
       work_thread_(new asio::thread(
@@ -61,7 +61,7 @@ public:
   }
 
   /// Destroy all user-defined handler objects owned by the service.
-  void shutdown_service()
+  void shutdown()
   {
   }
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/socks4/socks4.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/socks4/socks4.hpp
index cd43498..7ab105d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/socks4/socks4.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/socks4/socks4.hpp
@@ -2,7 +2,7 @@
 // socks4.hpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/socks4/sync_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/socks4/sync_client.cpp
index 2046be8..5fa330e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/socks4/sync_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/socks4/sync_client.cpp
@@ -2,7 +2,7 @@
 // sync_client.cpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/spawn/echo_server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/spawn/echo_server.cpp
index 79cba5b..47e317c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/spawn/echo_server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/spawn/echo_server.cpp
@@ -2,16 +2,16 @@
 // echo_server.cpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 //
 
-#include <asio/deadline_timer.hpp>
 #include <asio/io_context.hpp>
 #include <asio/ip/tcp.hpp>
 #include <asio/spawn.hpp>
+#include <asio/steady_timer.hpp>
 #include <asio/write.hpp>
 #include <boost/bind.hpp>
 #include <boost/shared_ptr.hpp>
@@ -24,7 +24,7 @@ class session : public boost::enable_shared_from_this<session>
 {
 public:
   explicit session(asio::io_context& io_context)
-    : strand_(io_context),
+    : strand_(asio::make_strand(io_context)),
       socket_(io_context),
       timer_(io_context)
   {
@@ -53,7 +53,7 @@ private:
       char data[128];
       for (;;)
       {
-        timer_.expires_from_now(boost::posix_time::seconds(10));
+        timer_.expires_after(asio::chrono::seconds(10));
         std::size_t n = socket_.async_read_some(asio::buffer(data), yield);
         asio::async_write(socket_, asio::buffer(data, n), yield);
       }
@@ -71,14 +71,14 @@ private:
     {
       asio::error_code ignored_ec;
       timer_.async_wait(yield[ignored_ec]);
-      if (timer_.expires_from_now() <= boost::posix_time::seconds(0))
+      if (timer_.expiry() <= asio::steady_timer::clock_type::now())
         socket_.close();
     }
   }
 
-  asio::io_context::strand strand_;
+  asio::strand<asio::io_context::executor_type> strand_;
   tcp::socket socket_;
-  asio::deadline_timer timer_;
+  asio::steady_timer timer_;
 };
 
 void do_accept(asio::io_context& io_context,
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/spawn/parallel_grep.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/spawn/parallel_grep.cpp
index 56ac1fb..ed0b5d4 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/spawn/parallel_grep.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/spawn/parallel_grep.cpp
@@ -2,7 +2,7 @@
 // parallel_grep.cpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/ssl/README b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/ssl/README
index 96542ec..18e38fc 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/ssl/README
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/ssl/README
@@ -2,7 +2,7 @@ The passphrase for both the CA and server private keys is "test".
 
 
 -------------------------------------------------------------------------------
-Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 
 Distributed under the Boost Software License, Version 1.0. (See accompanying
 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/ssl/client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/ssl/client.cpp
index f73ec7d..706f748 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/ssl/client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/ssl/client.cpp
@@ -2,7 +2,7 @@
 // client.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/ssl/server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/ssl/server.cpp
index ebea97b..22cbba7 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/ssl/server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/ssl/server.cpp
@@ -2,7 +2,7 @@
 // server.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timeouts/async_tcp_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timeouts/async_tcp_client.cpp
index 3d0cbd0..bb5e708 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timeouts/async_tcp_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timeouts/async_tcp_client.cpp
@@ -2,22 +2,23 @@
 // async_tcp_client.cpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 //
 
-#include "asio/deadline_timer.hpp"
+#include "asio/buffer.hpp"
 #include "asio/io_context.hpp"
 #include "asio/ip/tcp.hpp"
 #include "asio/read_until.hpp"
-#include "asio/streambuf.hpp"
+#include "asio/steady_timer.hpp"
 #include "asio/write.hpp"
 #include <boost/bind.hpp>
 #include <iostream>
+#include <string>
 
-using asio::deadline_timer;
+using asio::steady_timer;
 using asio::ip::tcp;
 
 //
@@ -78,7 +79,7 @@ using asio::ip::tcp;
 //
 // The heartbeat actor sends a heartbeat (a message that consists of a single
 // newline character) every 10 seconds. In this example, no deadline is applied
-// message sending.
+// to message sending.
 //
 class client
 {
@@ -125,7 +126,7 @@ private:
       std::cout << "Trying " << endpoint_iter->endpoint() << "...\n";
 
       // Set a deadline for the connect operation.
-      deadline_.expires_from_now(boost::posix_time::seconds(60));
+      deadline_.expires_after(asio::chrono::seconds(60));
 
       // Start the asynchronous connect operation.
       socket_.async_connect(endpoint_iter->endpoint(),
@@ -185,14 +186,15 @@ private:
   void start_read()
   {
     // Set a deadline for the read operation.
-    deadline_.expires_from_now(boost::posix_time::seconds(30));
+    deadline_.expires_after(asio::chrono::seconds(30));
 
     // Start an asynchronous operation to read a newline-delimited message.
-    asio::async_read_until(socket_, input_buffer_, '\n',
-        boost::bind(&client::handle_read, this, _1));
+    asio::async_read_until(socket_,
+        asio::dynamic_buffer(input_buffer_), '\n',
+        boost::bind(&client::handle_read, this, _1, _2));
   }
 
-  void handle_read(const asio::error_code& ec)
+  void handle_read(const asio::error_code& ec, std::size_t n)
   {
     if (stopped_)
       return;
@@ -200,9 +202,8 @@ private:
     if (!ec)
     {
       // Extract the newline-delimited message from the buffer.
-      std::string line;
-      std::istream is(&input_buffer_);
-      std::getline(is, line);
+      std::string line(input_buffer_.substr(0, n - 1));
+      input_buffer_.erase(0, n);
 
       // Empty messages are heartbeats and so ignored.
       if (!line.empty())
@@ -238,7 +239,7 @@ private:
     if (!ec)
     {
       // Wait 10 seconds before sending the next heartbeat.
-      heartbeat_timer_.expires_from_now(boost::posix_time::seconds(10));
+      heartbeat_timer_.expires_after(asio::chrono::seconds(10));
       heartbeat_timer_.async_wait(boost::bind(&client::start_write, this));
     }
     else
@@ -257,15 +258,16 @@ private:
     // Check whether the deadline has passed. We compare the deadline against
     // the current time since a new asynchronous operation may have moved the
     // deadline before this actor had a chance to run.
-    if (deadline_.expires_at() <= deadline_timer::traits_type::now())
+    if (deadline_.expiry() <= steady_timer::clock_type::now())
     {
       // The deadline has passed. The socket is closed so that any outstanding
       // asynchronous operations are cancelled.
       socket_.close();
 
-      // There is no longer an active deadline. The expiry is set to positive
-      // infinity so that the actor takes no action until a new deadline is set.
-      deadline_.expires_at(boost::posix_time::pos_infin);
+      // There is no longer an active deadline. The expiry is set to the
+      // maximum time point so that the actor takes no action until a new
+      // deadline is set.
+      deadline_.expires_at(steady_timer::time_point::max());
     }
 
     // Put the actor back to sleep.
@@ -276,9 +278,9 @@ private:
   bool stopped_;
   tcp::resolver::results_type endpoints_;
   tcp::socket socket_;
-  asio::streambuf input_buffer_;
-  deadline_timer deadline_;
-  deadline_timer heartbeat_timer_;
+  std::string input_buffer_;
+  steady_timer deadline_;
+  steady_timer heartbeat_timer_;
 };
 
 int main(int argc, char* argv[])
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timeouts/blocking_tcp_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timeouts/blocking_tcp_client.cpp
index 0909dfa..f6fbb93 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timeouts/blocking_tcp_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timeouts/blocking_tcp_client.cpp
@@ -2,199 +2,146 @@
 // blocking_tcp_client.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 //
 
+#include "asio/buffer.hpp"
 #include "asio/connect.hpp"
-#include "asio/deadline_timer.hpp"
 #include "asio/io_context.hpp"
 #include "asio/ip/tcp.hpp"
 #include "asio/read_until.hpp"
-#include "asio/streambuf.hpp"
 #include "asio/system_error.hpp"
 #include "asio/write.hpp"
-#include "asio/thread.hpp"
 #include <cstdlib>
 #include <iostream>
 #include <string>
 #include <boost/lambda/bind.hpp>
 #include <boost/lambda/lambda.hpp>
 
-using asio::deadline_timer;
 using asio::ip::tcp;
 using boost::lambda::bind;
 using boost::lambda::var;
 using boost::lambda::_1;
+using boost::lambda::_2;
 
 //----------------------------------------------------------------------
 
 //
-// This class manages socket timeouts by applying the concept of a deadline.
-// Each asynchronous operation is given a deadline by which it must complete.
-// Deadlines are enforced by an "actor" that persists for the lifetime of the
-// client object:
-//
-//  +----------------+
-//  |                |     
-//  | check_deadline |<---+
-//  |                |    |
-//  +----------------+    | async_wait()
-//              |         |
-//              +---------+
-//
-// If the actor determines that the deadline has expired, the socket is closed
-// and any outstanding operations are consequently cancelled. The socket
-// operations themselves use boost::lambda function objects as completion
-// handlers. For a given socket operation, the client object runs the
-// io_context to block thread execution until the actor completes.
+// This class manages socket timeouts by running the io_context using the timed
+// io_context::run_for() member function. Each asynchronous operation is given
+// a timeout within which it must complete. The socket operations themselves
+// use boost::lambda function objects as completion handlers. For a given
+// socket operation, the client object runs the io_context to block thread
+// execution until the operation completes or the timeout is reached. If the
+// io_context::run_for() function times out, the socket is closed and the
+// outstanding asynchronous operation is cancelled.
 //
 class client
 {
 public:
   client()
-    : socket_(io_context_),
-      deadline_(io_context_)
+    : socket_(io_context_)
   {
-    // No deadline is required until the first socket operation is started. We
-    // set the deadline to positive infinity so that the actor takes no action
-    // until a specific deadline is set.
-    deadline_.expires_at(boost::posix_time::pos_infin);
-
-    // Start the persistent actor that checks for deadline expiry.
-    check_deadline();
   }
 
   void connect(const std::string& host, const std::string& service,
-      boost::posix_time::time_duration timeout)
+      asio::chrono::steady_clock::duration timeout)
   {
     // Resolve the host name and service to a list of endpoints.
     tcp::resolver::results_type endpoints =
       tcp::resolver(io_context_).resolve(host, service);
 
-    // Set a deadline for the asynchronous operation. As a host name may
-    // resolve to multiple endpoints, this function uses the composed operation
-    // async_connect. The deadline applies to the entire operation, rather than
-    // individual connection attempts.
-    deadline_.expires_from_now(timeout);
-
-    // Set up the variable that receives the result of the asynchronous
-    // operation. The error code is set to would_block to signal that the
-    // operation is incomplete. Asio guarantees that its asynchronous
-    // operations will never fail with would_block, so any other value in
-    // ec indicates completion.
-    asio::error_code ec = asio::error::would_block;
-
     // Start the asynchronous operation itself. The boost::lambda function
     // object is used as a callback and will update the ec variable when the
     // operation completes. The blocking_udp_client.cpp example shows how you
     // can use boost::bind rather than boost::lambda.
+    asio::error_code ec;
     asio::async_connect(socket_, endpoints, var(ec) = _1);
 
-    // Block until the asynchronous operation has completed.
-    do io_context_.run_one(); while (ec == asio::error::would_block);
+    // Run the operation until it completes, or until the timeout.
+    run(timeout);
 
-    // Determine whether a connection was successfully established. The
-    // deadline actor may have had a chance to run and close our socket, even
-    // though the connect operation notionally succeeded. Therefore we must
-    // check whether the socket is still open before deciding if we succeeded
-    // or failed.
-    if (ec || !socket_.is_open())
-      throw asio::system_error(
-          ec ? ec : asio::error::operation_aborted);
+    // Determine whether a connection was successfully established.
+    if (ec)
+      throw asio::system_error(ec);
   }
 
-  std::string read_line(boost::posix_time::time_duration timeout)
+  std::string read_line(asio::chrono::steady_clock::duration timeout)
   {
-    // Set a deadline for the asynchronous operation. Since this function uses
-    // a composed operation (async_read_until), the deadline applies to the
-    // entire operation, rather than individual reads from the socket.
-    deadline_.expires_from_now(timeout);
+    // Start the asynchronous operation. The boost::lambda function object is
+    // used as a callback and will update the ec variable when the operation
+    // completes. The blocking_udp_client.cpp example shows how you can use
+    // boost::bind rather than boost::lambda.
+    asio::error_code ec;
+    std::size_t n = 0;
+    asio::async_read_until(socket_,
+        asio::dynamic_buffer(input_buffer_),
+        '\n', (var(ec) = _1, var(n) = _2));
 
-    // Set up the variable that receives the result of the asynchronous
-    // operation. The error code is set to would_block to signal that the
-    // operation is incomplete. Asio guarantees that its asynchronous
-    // operations will never fail with would_block, so any other value in
-    // ec indicates completion.
-    asio::error_code ec = asio::error::would_block;
-
-    // Start the asynchronous operation itself. The boost::lambda function
-    // object is used as a callback and will update the ec variable when the
-    // operation completes. The blocking_udp_client.cpp example shows how you
-    // can use boost::bind rather than boost::lambda.
-    asio::async_read_until(socket_, input_buffer_, '\n', var(ec) = _1);
-
-    // Block until the asynchronous operation has completed.
-    do io_context_.run_one(); while (ec == asio::error::would_block);
+    // Run the operation until it completes, or until the timeout.
+    run(timeout);
 
+    // Determine whether the read completed successfully.
     if (ec)
       throw asio::system_error(ec);
 
-    std::string line;
-    std::istream is(&input_buffer_);
-    std::getline(is, line);
+    std::string line(input_buffer_.substr(0, n - 1));
+    input_buffer_.erase(0, n);
     return line;
   }
 
   void write_line(const std::string& line,
-      boost::posix_time::time_duration timeout)
+      asio::chrono::steady_clock::duration timeout)
   {
     std::string data = line + "\n";
 
-    // Set a deadline for the asynchronous operation. Since this function uses
-    // a composed operation (async_write), the deadline applies to the entire
-    // operation, rather than individual writes to the socket.
-    deadline_.expires_from_now(timeout);
-
-    // Set up the variable that receives the result of the asynchronous
-    // operation. The error code is set to would_block to signal that the
-    // operation is incomplete. Asio guarantees that its asynchronous
-    // operations will never fail with would_block, so any other value in
-    // ec indicates completion.
-    asio::error_code ec = asio::error::would_block;
-
-    // Start the asynchronous operation itself. The boost::lambda function
-    // object is used as a callback and will update the ec variable when the
-    // operation completes. The blocking_udp_client.cpp example shows how you
-    // can use boost::bind rather than boost::lambda.
+    // Start the asynchronous operation. The boost::lambda function object is
+    // used as a callback and will update the ec variable when the operation
+    // completes. The blocking_udp_client.cpp example shows how you can use
+    // boost::bind rather than boost::lambda.
+    asio::error_code ec;
     asio::async_write(socket_, asio::buffer(data), var(ec) = _1);
 
-    // Block until the asynchronous operation has completed.
-    do io_context_.run_one(); while (ec == asio::error::would_block);
+    // Run the operation until it completes, or until the timeout.
+    run(timeout);
 
+    // Determine whether the read completed successfully.
     if (ec)
       throw asio::system_error(ec);
   }
 
 private:
-  void check_deadline()
+  void run(asio::chrono::steady_clock::duration timeout)
   {
-    // Check whether the deadline has passed. We compare the deadline against
-    // the current time since a new asynchronous operation may have moved the
-    // deadline before this actor had a chance to run.
-    if (deadline_.expires_at() <= deadline_timer::traits_type::now())
+    // Restart the io_context, as it may have been left in the "stopped" state
+    // by a previous operation.
+    io_context_.restart();
+
+    // Block until the asynchronous operation has completed, or timed out. If
+    // the pending asynchronous operation is a composed operation, the deadline
+    // applies to the entire operation, rather than individual operations on
+    // the socket.
+    io_context_.run_for(timeout);
+
+    // If the asynchronous operation completed successfully then the io_context
+    // would have been stopped due to running out of work. If it was not
+    // stopped, then the io_context::run_for call must have timed out.
+    if (!io_context_.stopped())
     {
-      // The deadline has passed. The socket is closed so that any outstanding
-      // asynchronous operations are cancelled. This allows the blocked
-      // connect(), read_line() or write_line() functions to return.
-      asio::error_code ignored_ec;
-      socket_.close(ignored_ec);
+      // Close the socket to cancel the outstanding asynchronous operation.
+      socket_.close();
 
-      // There is no longer an active deadline. The expiry is set to positive
-      // infinity so that the actor takes no action until a new deadline is set.
-      deadline_.expires_at(boost::posix_time::pos_infin);
+      // Run the io_context again until the operation completes.
+      io_context_.run();
     }
-
-    // Put the actor back to sleep.
-    deadline_.async_wait(bind(&client::check_deadline, this));
   }
 
   asio::io_context io_context_;
   tcp::socket socket_;
-  deadline_timer deadline_;
-  asio::streambuf input_buffer_;
+  std::string input_buffer_;
 };
 
 //----------------------------------------------------------------------
@@ -205,32 +152,34 @@ int main(int argc, char* argv[])
   {
     if (argc != 4)
     {
-      std::cerr << "Usage: blocking_tcp <host> <port> <message>\n";
+      std::cerr << "Usage: blocking_tcp_client <host> <port> <message>\n";
       return 1;
     }
 
     client c;
-    c.connect(argv[1], argv[2], boost::posix_time::seconds(10));
+    c.connect(argv[1], argv[2], asio::chrono::seconds(10));
 
-    boost::posix_time::ptime time_sent =
-      boost::posix_time::microsec_clock::universal_time();
+    asio::chrono::steady_clock::time_point time_sent =
+      asio::chrono::steady_clock::now();
 
-    c.write_line(argv[3], boost::posix_time::seconds(10));
+    c.write_line(argv[3], asio::chrono::seconds(10));
 
     for (;;)
     {
-      std::string line = c.read_line(boost::posix_time::seconds(10));
+      std::string line = c.read_line(asio::chrono::seconds(10));
 
       // Keep going until we get back the line that was sent.
       if (line == argv[3])
         break;
     }
 
-    boost::posix_time::ptime time_received =
-      boost::posix_time::microsec_clock::universal_time();
+    asio::chrono::steady_clock::time_point time_received =
+      asio::chrono::steady_clock::now();
 
     std::cout << "Round trip time: ";
-    std::cout << (time_received - time_sent).total_microseconds();
+    std::cout << asio::chrono::duration_cast<
+      asio::chrono::microseconds>(
+        time_received - time_sent).count();
     std::cout << " microseconds\n";
   }
   catch (std::exception& e)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timeouts/blocking_token_tcp_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timeouts/blocking_token_tcp_client.cpp
new file mode 100644
index 0000000..fdec920
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timeouts/blocking_token_tcp_client.cpp
@@ -0,0 +1,200 @@
+//
+// blocking_token_tcp_client.cpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "asio/connect.hpp"
+#include "asio/io_context.hpp"
+#include "asio/ip/tcp.hpp"
+#include "asio/read_until.hpp"
+#include "asio/streambuf.hpp"
+#include "asio/system_error.hpp"
+#include "asio/write.hpp"
+#include <cstdlib>
+#include <iostream>
+#include <memory>
+#include <string>
+
+using asio::ip::tcp;
+
+// We will use our sockets only with an io_context.
+typedef asio::basic_stream_socket<tcp,
+    asio::io_context::executor_type> tcp_socket;
+
+//----------------------------------------------------------------------
+
+// A custom completion token that makes asynchronous operations behave as
+// though they are blocking calls with a timeout.
+struct close_after
+{
+  close_after(asio::chrono::steady_clock::duration t, tcp_socket& s)
+    : timeout_(t), socket_(s)
+  {
+  }
+
+  // The maximum time to wait for an asynchronous operation to complete.
+  asio::chrono::steady_clock::duration timeout_;
+
+  // The socket to be closed if the operation does not complete in time.
+  tcp_socket& socket_;
+};
+
+namespace asio {
+
+// The async_result template is specialised to allow the close_after token to
+// be used with asynchronous operations that have a completion signature of
+// void(error_code, T). Generalising this for all completion signature forms is
+// left as an exercise for the reader.
+template <typename T>
+class async_result<close_after, void(asio::error_code, T)>
+{
+public:
+  // An asynchronous operation's initiating function automatically creates an
+  // completion_handler_type object from the token. This function object is
+  // then called on completion of the asynchronous operation.
+  class completion_handler_type
+  {
+  public:
+    completion_handler_type(const close_after& token)
+      : token_(token)
+    {
+    }
+
+    void operator()(asio::error_code ec, T t)
+    {
+      *ec_ = ec;
+      *t_ = t;
+    }
+
+  private:
+    friend class async_result;
+    close_after token_;
+    asio::error_code* ec_;
+    T* t_;
+  };
+
+  // The async_result constructor associates the completion handler object with
+  // the result of the initiating function.
+  explicit async_result(completion_handler_type& h)
+    : timeout_(h.token_.timeout_),
+      socket_(h.token_.socket_)
+  {
+    h.ec_ = &ec_;
+    h.t_ = &t_;
+  }
+
+  // The return_type typedef determines the result type of the asynchronous
+  // operation's initiating function.
+  typedef T return_type;
+
+  // The get() function is used to obtain the result of the asynchronous
+  // operation's initiating function. For the close_after completion token, we
+  // use this function to run the io_context until the operation is complete.
+  return_type get()
+  {
+    asio::io_context& io_context = socket_.get_executor().context();
+
+    // Restart the io_context, as it may have been left in the "stopped" state
+    // by a previous operation.
+    io_context.restart();
+
+    // Block until the asynchronous operation has completed, or timed out. If
+    // the pending asynchronous operation is a composed operation, the deadline
+    // applies to the entire operation, rather than individual operations on
+    // the socket.
+    io_context.run_for(timeout_);
+
+    // If the asynchronous operation completed successfully then the io_context
+    // would have been stopped due to running out of work. If it was not
+    // stopped, then the io_context::run_for call must have timed out and the
+    // operation is still incomplete.
+    if (!io_context.stopped())
+    {
+      // Close the socket to cancel the outstanding asynchronous operation.
+      socket_.close();
+
+      // Run the io_context again until the operation completes.
+      io_context.run();
+    }
+
+    // If the operation failed, throw an exception. Otherwise return the result.
+    return ec_ ? throw asio::system_error(ec_) : t_;
+  }
+
+private:
+  asio::chrono::steady_clock::duration timeout_;
+  tcp_socket& socket_;
+  asio::error_code ec_;
+  T t_;
+};
+
+} // namespace asio
+
+//----------------------------------------------------------------------
+
+int main(int argc, char* argv[])
+{
+  try
+  {
+    if (argc != 4)
+    {
+      std::cerr << "Usage: blocking_tcp_client <host> <port> <message>\n";
+      return 1;
+    }
+
+    asio::io_context io_context;
+
+    // Resolve the host name and service to a list of endpoints.
+    tcp::resolver::results_type endpoints =
+      tcp::resolver(io_context).resolve(argv[1], argv[2]);
+
+    tcp_socket socket(io_context);
+
+    // Run an asynchronous connect operation with a timeout.
+    asio::async_connect(socket, endpoints,
+        close_after(asio::chrono::seconds(10), socket));
+
+    asio::chrono::steady_clock::time_point time_sent =
+      asio::chrono::steady_clock::now();
+
+    // Run an asynchronous write operation with a timeout.
+    std::string msg = argv[3] + std::string("\n");
+    asio::async_write(socket, asio::buffer(msg),
+        close_after(asio::chrono::seconds(10), socket));
+
+    for (std::string input_buffer;;)
+    {
+      // Run an asynchronous read operation with a timeout.
+      std::size_t n = asio::async_read_until(socket,
+          asio::dynamic_buffer(input_buffer), '\n',
+          close_after(asio::chrono::seconds(10), socket));
+
+      std::string line(input_buffer.substr(0, n - 1));
+      input_buffer.erase(0, n);
+
+      // Keep going until we get back the line that was sent.
+      if (line == argv[3])
+        break;
+    }
+
+    asio::chrono::steady_clock::time_point time_received =
+      asio::chrono::steady_clock::now();
+
+    std::cout << "Round trip time: ";
+    std::cout << asio::chrono::duration_cast<
+      asio::chrono::microseconds>(
+        time_received - time_sent).count();
+    std::cout << " microseconds\n";
+  }
+  catch (std::exception& e)
+  {
+    std::cerr << "Exception: " << e.what() << "\n";
+  }
+
+  return 0;
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timeouts/blocking_udp_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timeouts/blocking_udp_client.cpp
index 1d108d7..d500092 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timeouts/blocking_udp_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timeouts/blocking_udp_client.cpp
@@ -2,42 +2,28 @@
 // blocking_udp_client.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 //
 
-#include "asio/deadline_timer.hpp"
+#include "asio/buffer.hpp"
 #include "asio/io_context.hpp"
 #include "asio/ip/udp.hpp"
 #include <cstdlib>
 #include <boost/bind.hpp>
-#include <boost/date_time/posix_time/posix_time_types.hpp>
 #include <iostream>
 
-using asio::deadline_timer;
 using asio::ip::udp;
 
 //----------------------------------------------------------------------
 
 //
-// This class manages socket timeouts by applying the concept of a deadline.
-// Each asynchronous operation is given a deadline by which it must complete.
-// Deadlines are enforced by an "actor" that persists for the lifetime of the
-// client object:
-//
-//  +----------------+
-//  |                |     
-//  | check_deadline |<---+
-//  |                |    |
-//  +----------------+    | async_wait()
-//              |         |
-//              +---------+
-//
-// If the actor determines that the deadline has expired, any outstanding
-// socket operations are cancelled. The socket operations themselves are
-// implemented as transient actors:
+// This class manages socket timeouts by running the io_context using the timed
+// io_context::run_for() member function. Each asynchronous operation is given
+// a timeout within which it must complete. The socket operations themselves
+// use boost::bind to specify the completion handler:
 //
 //   +---------------+
 //   |               |
@@ -51,73 +37,59 @@ using asio::ip::udp;
 //                |                |
 //                +----------------+
 //
-// The client object runs the io_context to block thread execution until the
-// actor completes.
+// For a given socket operation, the client object runs the io_context to block
+// thread execution until the operation completes or the timeout is reached. If
+// the io_context::run_for() function times out, the socket is closed and the
+// outstanding asynchronous operation is cancelled.
 //
 class client
 {
 public:
   client(const udp::endpoint& listen_endpoint)
-    : socket_(io_context_, listen_endpoint),
-      deadline_(io_context_)
+    : socket_(io_context_, listen_endpoint)
   {
-    // No deadline is required until the first socket operation is started. We
-    // set the deadline to positive infinity so that the actor takes no action
-    // until a specific deadline is set.
-    deadline_.expires_at(boost::posix_time::pos_infin);
-
-    // Start the persistent actor that checks for deadline expiry.
-    check_deadline();
   }
 
   std::size_t receive(const asio::mutable_buffer& buffer,
-      boost::posix_time::time_duration timeout, asio::error_code& ec)
+      asio::chrono::steady_clock::duration timeout,
+      asio::error_code& ec)
   {
-    // Set a deadline for the asynchronous operation.
-    deadline_.expires_from_now(timeout);
-
-    // Set up the variables that receive the result of the asynchronous
-    // operation. The error code is set to would_block to signal that the
-    // operation is incomplete. Asio guarantees that its asynchronous
-    // operations will never fail with would_block, so any other value in
-    // ec indicates completion.
-    ec = asio::error::would_block;
+    // Start the asynchronous operation. The handle_receive function used as a
+    // callback will update the ec and length variables.
     std::size_t length = 0;
-
-    // Start the asynchronous operation itself. The handle_receive function
-    // used as a callback will update the ec and length variables.
     socket_.async_receive(asio::buffer(buffer),
         boost::bind(&client::handle_receive, _1, _2, &ec, &length));
 
-    // Block until the asynchronous operation has completed.
-    do io_context_.run_one(); while (ec == asio::error::would_block);
+    // Run the operation until it completes, or until the timeout.
+    run(timeout);
 
     return length;
   }
 
 private:
-  void check_deadline()
+  void run(asio::chrono::steady_clock::duration timeout)
   {
-    // Check whether the deadline has passed. We compare the deadline against
-    // the current time since a new asynchronous operation may have moved the
-    // deadline before this actor had a chance to run.
-    if (deadline_.expires_at() <= deadline_timer::traits_type::now())
+    // Restart the io_context, as it may have been left in the "stopped" state
+    // by a previous operation.
+    io_context_.restart();
+
+    // Block until the asynchronous operation has completed, or timed out. If
+    // the pending asynchronous operation is a composed operation, the deadline
+    // applies to the entire operation, rather than individual operations on
+    // the socket.
+    io_context_.run_for(timeout);
+
+    // If the asynchronous operation completed successfully then the io_context
+    // would have been stopped due to running out of work. If it was not
+    // stopped, then the io_context::run_for call must have timed out.
+    if (!io_context_.stopped())
     {
-      // The deadline has passed. The outstanding asynchronous operation needs
-      // to be cancelled so that the blocked receive() function will return.
-      //
-      // Please note that cancel() has portability issues on some versions of
-      // Microsoft Windows, and it may be necessary to use close() instead.
-      // Consult the documentation for cancel() for further information.
+      // Cancel the outstanding asynchronous operation.
       socket_.cancel();
 
-      // There is no longer an active deadline. The expiry is set to positive
-      // infinity so that the actor takes no action until a new deadline is set.
-      deadline_.expires_at(boost::posix_time::pos_infin);
+      // Run the io_context again until the operation completes.
+      io_context_.run();
     }
-
-    // Put the actor back to sleep.
-    deadline_.async_wait(boost::bind(&client::check_deadline, this));
   }
 
   static void handle_receive(
@@ -131,7 +103,6 @@ private:
 private:
   asio::io_context io_context_;
   udp::socket socket_;
-  deadline_timer deadline_;
 };
 
 //----------------------------------------------------------------------
@@ -144,7 +115,7 @@ int main(int argc, char* argv[])
 
     if (argc != 3)
     {
-      std::cerr << "Usage: blocking_udp_timeout <listen_addr> <listen_port>\n";
+      std::cerr << "Usage: blocking_udp_client <listen_addr> <listen_port>\n";
       return 1;
     }
 
@@ -159,7 +130,7 @@ int main(int argc, char* argv[])
       char data[1024];
       asio::error_code ec;
       std::size_t n = c.receive(asio::buffer(data),
-          boost::posix_time::seconds(10), ec);
+          asio::chrono::seconds(10), ec);
 
       if (ec)
       {
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timeouts/server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timeouts/server.cpp
index 3d12a55..4457e60 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timeouts/server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timeouts/server.cpp
@@ -2,7 +2,7 @@
 // server.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -13,18 +13,19 @@
 #include <deque>
 #include <iostream>
 #include <set>
+#include <string>
 #include <boost/bind.hpp>
 #include <boost/shared_ptr.hpp>
 #include <boost/enable_shared_from_this.hpp>
-#include "asio/deadline_timer.hpp"
+#include "asio/buffer.hpp"
 #include "asio/io_context.hpp"
 #include "asio/ip/tcp.hpp"
 #include "asio/ip/udp.hpp"
 #include "asio/read_until.hpp"
-#include "asio/streambuf.hpp"
+#include "asio/steady_timer.hpp"
 #include "asio/write.hpp"
 
-using asio::deadline_timer;
+using asio::steady_timer;
 using asio::ip::tcp;
 using asio::ip::udp;
 
@@ -121,8 +122,8 @@ private:
 //  +-------------+               +--------------+
 //
 // The output actor first waits for an output message to be enqueued. It does
-// this by using a deadline_timer as an asynchronous condition variable. The
-// deadline_timer will be signalled whenever the output queue is non-empty.
+// this by using a steady_timer as an asynchronous condition variable. The
+// steady_timer will be signalled whenever the output queue is non-empty.
 //
 // Once a message is available, it is sent to the client. The deadline for
 // sending a complete message is 30 seconds. After the message is successfully
@@ -140,13 +141,13 @@ public:
       non_empty_output_queue_(io_context),
       output_deadline_(io_context)
   {
-    input_deadline_.expires_at(boost::posix_time::pos_infin);
-    output_deadline_.expires_at(boost::posix_time::pos_infin);
+    input_deadline_.expires_at(steady_timer::time_point::max());
+    output_deadline_.expires_at(steady_timer::time_point::max());
 
-    // The non_empty_output_queue_ deadline_timer is set to pos_infin whenever
-    // the output queue is empty. This ensures that the output actor stays
-    // asleep until a message is put into the queue.
-    non_empty_output_queue_.expires_at(boost::posix_time::pos_infin);
+    // The non_empty_output_queue_ steady_timer is set to the maximum time
+    // point whenever the output queue is empty. This ensures that the output
+    // actor stays asleep until a message is put into the queue.
+    non_empty_output_queue_.expires_at(steady_timer::time_point::max());
   }
 
   tcp::socket& socket()
@@ -195,20 +196,21 @@ private:
 
     // Signal that the output queue contains messages. Modifying the expiry
     // will wake the output actor, if it is waiting on the timer.
-    non_empty_output_queue_.expires_at(boost::posix_time::neg_infin);
+    non_empty_output_queue_.expires_at(steady_timer::time_point::min());
   }
 
   void start_read()
   {
     // Set a deadline for the read operation.
-    input_deadline_.expires_from_now(boost::posix_time::seconds(30));
+    input_deadline_.expires_after(asio::chrono::seconds(30));
 
     // Start an asynchronous operation to read a newline-delimited message.
-    asio::async_read_until(socket_, input_buffer_, '\n',
-        boost::bind(&tcp_session::handle_read, shared_from_this(), _1));
+    asio::async_read_until(socket_,
+        asio::dynamic_buffer(input_buffer_), '\n',
+        boost::bind(&tcp_session::handle_read, shared_from_this(), _1, _2));
   }
 
-  void handle_read(const asio::error_code& ec)
+  void handle_read(const asio::error_code& ec, std::size_t n)
   {
     if (stopped())
       return;
@@ -216,9 +218,8 @@ private:
     if (!ec)
     {
       // Extract the newline-delimited message from the buffer.
-      std::string msg;
-      std::istream is(&input_buffer_);
-      std::getline(is, msg);
+      std::string msg(input_buffer_.substr(0, n - 1));
+      input_buffer_.erase(0, n);
 
       if (!msg.empty())
       {
@@ -234,7 +235,7 @@ private:
 
           // Signal that the output queue contains messages. Modifying the
           // expiry will wake the output actor, if it is waiting on the timer.
-          non_empty_output_queue_.expires_at(boost::posix_time::neg_infin);
+          non_empty_output_queue_.expires_at(steady_timer::time_point::min());
         }
       }
 
@@ -256,7 +257,7 @@ private:
       // There are no messages that are ready to be sent. The actor goes to
       // sleep by waiting on the non_empty_output_queue_ timer. When a new
       // message is added, the timer will be modified and the actor will wake.
-      non_empty_output_queue_.expires_at(boost::posix_time::pos_infin);
+      non_empty_output_queue_.expires_at(steady_timer::time_point::max());
       non_empty_output_queue_.async_wait(
           boost::bind(&tcp_session::await_output, shared_from_this()));
     }
@@ -269,7 +270,7 @@ private:
   void start_write()
   {
     // Set a deadline for the write operation.
-    output_deadline_.expires_from_now(boost::posix_time::seconds(30));
+    output_deadline_.expires_after(asio::chrono::seconds(30));
 
     // Start an asynchronous operation to send a message.
     asio::async_write(socket_,
@@ -294,7 +295,7 @@ private:
     }
   }
 
-  void check_deadline(deadline_timer* deadline)
+  void check_deadline(steady_timer* deadline)
   {
     if (stopped())
       return;
@@ -302,7 +303,7 @@ private:
     // Check whether the deadline has passed. We compare the deadline against
     // the current time since a new asynchronous operation may have moved the
     // deadline before this actor had a chance to run.
-    if (deadline->expires_at() <= deadline_timer::traits_type::now())
+    if (deadline->expiry() <= steady_timer::clock_type::now())
     {
       // The deadline has passed. Stop the session. The other actors will
       // terminate as soon as possible.
@@ -319,11 +320,11 @@ private:
 
   channel& channel_;
   tcp::socket socket_;
-  asio::streambuf input_buffer_;
-  deadline_timer input_deadline_;
+  std::string input_buffer_;
+  steady_timer input_deadline_;
   std::deque<std::string> output_queue_;
-  deadline_timer non_empty_output_queue_;
-  deadline_timer output_deadline_;
+  steady_timer non_empty_output_queue_;
+  steady_timer output_deadline_;
 };
 
 typedef boost::shared_ptr<tcp_session> tcp_session_ptr;
@@ -339,6 +340,7 @@ public:
     : socket_(io_context)
   {
     socket_.connect(broadcast_endpoint);
+    socket_.set_option(udp::socket::broadcast(true));
   }
 
 private:
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timers/tick_count_timer.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timers/tick_count_timer.cpp
deleted file mode 100644
index 9e78624..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timers/tick_count_timer.cpp
+++ /dev/null
@@ -1,123 +0,0 @@
-//
-// tick_count_timer.cpp
-// ~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#include <asio.hpp>
-#include <ctime>
-#include <iostream>
-
-#if defined(WIN32)
-# include <windows.h>
-#else
-# error This example is for Windows only!
-#endif
-
-struct tick_count_traits
-{
-  // The time type. This type has no constructor that takes a DWORD to ensure
-  // that the timer can only be used with relative times.
-  class time_type
-  {
-  public:
-    time_type() : ticks_(0) {}
-  private:
-    friend struct tick_count_traits;
-    DWORD ticks_;
-  };
-
-  // The duration type. According to the TimeTraits requirements, the duration
-  // must be a signed type. This means we can't handle durations larger than
-  // 2^31.
-  class duration_type
-  {
-  public:
-    duration_type() : ticks_(0) {}
-    duration_type(LONG ticks) : ticks_(ticks) {}
-  private:
-    friend struct tick_count_traits;
-    LONG ticks_;
-  };
-
-  // Get the current time.
-  static time_type now()
-  {
-    time_type result;
-    result.ticks_ = ::GetTickCount();
-    return result;
-  }
-
-  // Add a duration to a time.
-  static time_type add(const time_type& t, const duration_type& d)
-  {
-    time_type result;
-    result.ticks_ = t.ticks_ + d.ticks_;
-    return result;
-  }
-
-  // Subtract one time from another.
-  static duration_type subtract(const time_type& t1, const time_type& t2)
-  {
-    // DWORD tick count values can wrap (see less_than() below). We'll convert
-    // to a duration by taking the absolute difference and adding the sign
-    // based on which is the "lesser" absolute time.
-    return duration_type(less_than(t1, t2)
-        ? -static_cast<LONG>(t2.ticks_ - t1.ticks_)
-        : static_cast<LONG>(t1.ticks_ - t2.ticks_));
-  }
-
-  // Test whether one time is less than another.
-  static bool less_than(const time_type& t1, const time_type& t2)
-  {
-    // DWORD tick count values wrap periodically, so we'll use a heuristic that
-    // says that if subtracting t1 from t2 yields a value smaller than 2^31,
-    // then t1 is probably less than t2. This means that we can't handle
-    // durations larger than 2^31, which shouldn't be a problem in practice.
-    return (t2.ticks_ - t1.ticks_) < static_cast<DWORD>(1 << 31);
-  }
-
-  // Convert to POSIX duration type.
-  static boost::posix_time::time_duration to_posix_duration(
-      const duration_type& d)
-  {
-    return boost::posix_time::milliseconds(d.ticks_);
-  }
-};
-
-typedef asio::basic_deadline_timer<
-    DWORD, tick_count_traits> tick_count_timer;
-
-void handle_timeout(const asio::error_code&)
-{
-  std::cout << "handle_timeout\n";
-}
-
-int main()
-{
-  try
-  {
-    asio::io_context io_context;
-
-    tick_count_timer timer(io_context, 5000);
-    std::cout << "Starting synchronous wait\n";
-    timer.wait();
-    std::cout << "Finished synchronous wait\n";
-
-    timer.expires_from_now(5000);
-    std::cout << "Starting asynchronous wait\n";
-    timer.async_wait(&handle_timeout);
-    io_context.run();
-    std::cout << "Finished asynchronous wait\n";
-  }
-  catch (std::exception& e)
-  {
-    std::cout << "Exception: " << e.what() << "\n";
-  }
-
-  return 0;
-}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timers/time_t_timer.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timers/time_t_timer.cpp
index 0327bb4..9cec983 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timers/time_t_timer.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/timers/time_t_timer.cpp
@@ -2,7 +2,7 @@
 // time_t_timer.cpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -12,53 +12,66 @@
 #include <ctime>
 #include <iostream>
 
-struct time_t_traits
+// A custom implementation of the Clock concept from the standard C++ library.
+struct time_t_clock
 {
-  // The time type.
-  typedef std::time_t time_type;
-
   // The duration type.
-  struct duration_type
-  {
-    duration_type() : value(0) {}
-    duration_type(std::time_t v) : value(v) {}
-    std::time_t value;
-  };
+  typedef asio::chrono::steady_clock::duration duration;
+
+  // The duration's underlying arithmetic representation.
+  typedef duration::rep rep;
+
+  // The ratio representing the duration's tick period.
+  typedef duration::period period;
+
+  // An absolute time point represented using the clock.
+  typedef asio::chrono::time_point<time_t_clock> time_point;
+
+  // The clock is not monotonically increasing.
+  static const bool is_steady = false;
 
   // Get the current time.
-  static time_type now()
+  static time_point now()
   {
-    return std::time(0);
-  }
-
-  // Add a duration to a time.
-  static time_type add(const time_type& t, const duration_type& d)
-  {
-    return t + d.value;
-  }
-
-  // Subtract one time from another.
-  static duration_type subtract(const time_type& t1, const time_type& t2)
-  {
-    return duration_type(t1 - t2);
-  }
-
-  // Test whether one time is less than another.
-  static bool less_than(const time_type& t1, const time_type& t2)
-  {
-    return t1 < t2;
-  }
-
-  // Convert to POSIX duration type.
-  static boost::posix_time::time_duration to_posix_duration(
-      const duration_type& d)
-  {
-    return boost::posix_time::seconds(d.value);
+    return time_point() + asio::chrono::seconds(std::time(0));
   }
 };
 
-typedef asio::basic_deadline_timer<
-    std::time_t, time_t_traits> time_t_timer;
+// The asio::basic_waitable_timer template accepts an optional WaitTraits
+// template parameter. The underlying time_t clock has one-second granularity,
+// so these traits may be customised to reduce the latency between the clock
+// ticking over and a wait operation's completion. When the timeout is near
+// (less than one second away) we poll the clock more frequently to detect the
+// time change closer to when it occurs. The user can select the appropriate
+// trade off between accuracy and the increased CPU cost of polling. In extreme
+// cases, a zero duration may be returned to make the timers as accurate as
+// possible, albeit with 100% CPU usage.
+struct time_t_wait_traits
+{
+  // Determine how long until the clock should be next polled to determine
+  // whether the duration has elapsed.
+  static time_t_clock::duration to_wait_duration(
+      const time_t_clock::duration& d)
+  {
+    if (d > asio::chrono::seconds(1))
+      return d - asio::chrono::seconds(1);
+    else if (d > asio::chrono::seconds(0))
+      return asio::chrono::milliseconds(10);
+    else
+      return asio::chrono::seconds(0);
+  }
+
+  // Determine how long until the clock should be next polled to determine
+  // whether the absoluate time has been reached.
+  static time_t_clock::duration to_wait_duration(
+      const time_t_clock::time_point& t)
+  {
+    return to_wait_duration(t - time_t_clock::now());
+  }
+};
+
+typedef asio::basic_waitable_timer<
+  time_t_clock, time_t_wait_traits> time_t_timer;
 
 void handle_timeout(const asio::error_code&)
 {
@@ -73,12 +86,12 @@ int main()
 
     time_t_timer timer(io_context);
 
-    timer.expires_from_now(5);
+    timer.expires_after(asio::chrono::seconds(5));
     std::cout << "Starting synchronous wait\n";
     timer.wait();
     std::cout << "Finished synchronous wait\n";
 
-    timer.expires_from_now(5);
+    timer.expires_after(asio::chrono::seconds(5));
     std::cout << "Starting asynchronous wait\n";
     timer.async_wait(&handle_timeout);
     io_context.run();
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime1/client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime1/client.cpp
index 04bdea0..325a587 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime1/client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime1/client.cpp
@@ -2,7 +2,7 @@
 // client.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime2/server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime2/server.cpp
index ab6a080..d91d967 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime2/server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime2/server.cpp
@@ -2,7 +2,7 @@
 // server.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime3/server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime3/server.cpp
index cd46cd8..4eb3680 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime3/server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime3/server.cpp
@@ -2,7 +2,7 @@
 // server.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -70,7 +70,8 @@ class tcp_server
 {
 public:
   tcp_server(asio::io_context& io_context)
-    : acceptor_(io_context, tcp::endpoint(tcp::v4(), 13))
+    : io_context_(io_context),
+      acceptor_(io_context, tcp::endpoint(tcp::v4(), 13))
   {
     start_accept();
   }
@@ -79,7 +80,7 @@ private:
   void start_accept()
   {
     tcp_connection::pointer new_connection =
-      tcp_connection::create(acceptor_.get_executor().context());
+      tcp_connection::create(io_context_);
 
     acceptor_.async_accept(new_connection->socket(),
         boost::bind(&tcp_server::handle_accept, this, new_connection,
@@ -97,6 +98,7 @@ private:
     start_accept();
   }
 
+  asio::io_context& io_context_;
   tcp::acceptor acceptor_;
 };
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime4/client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime4/client.cpp
index ac2eb21..ca4d775 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime4/client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime4/client.cpp
@@ -2,7 +2,7 @@
 // client.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime5/server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime5/server.cpp
index 3f0de58..5ba8baf 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime5/server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime5/server.cpp
@@ -2,7 +2,7 @@
 // server.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime6/server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime6/server.cpp
index 8bd3245..3403778 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime6/server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime6/server.cpp
@@ -2,7 +2,7 @@
 // server.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime7/server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime7/server.cpp
index 2a3966d..ad3fd1d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime7/server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime7/server.cpp
@@ -2,7 +2,7 @@
 // server.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -69,7 +69,8 @@ class tcp_server
 {
 public:
   tcp_server(asio::io_context& io_context)
-    : acceptor_(io_context, tcp::endpoint(tcp::v4(), 13))
+    : io_context_(io_context),
+      acceptor_(io_context, tcp::endpoint(tcp::v4(), 13))
   {
     start_accept();
   }
@@ -78,7 +79,7 @@ private:
   void start_accept()
   {
     tcp_connection::pointer new_connection =
-      tcp_connection::create(acceptor_.get_executor().context());
+      tcp_connection::create(io_context_);
 
     acceptor_.async_accept(new_connection->socket(),
         boost::bind(&tcp_server::handle_accept, this, new_connection,
@@ -96,6 +97,7 @@ private:
     start_accept();
   }
 
+  asio::io_context& io_context_;
   tcp::acceptor acceptor_;
 };
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime_dox.txt b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime_dox.txt
index 3abdb8d..eb95eb9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime_dox.txt
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/daytime_dox.txt
@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/index_dox.txt b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/index_dox.txt
index 03b1cab..7d38771 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/index_dox.txt
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/index_dox.txt
@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/timer1/timer.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/timer1/timer.cpp
index 5ee2e7e..9c05ca9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/timer1/timer.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/timer1/timer.cpp
@@ -2,7 +2,7 @@
 // timer.cpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -10,13 +10,12 @@
 
 #include <iostream>
 #include <asio.hpp>
-#include <boost/date_time/posix_time/posix_time.hpp>
 
 int main()
 {
   asio::io_context io;
 
-  asio::deadline_timer t(io, boost::posix_time::seconds(5));
+  asio::steady_timer t(io, asio::chrono::seconds(5));
   t.wait();
 
   std::cout << "Hello, world!" << std::endl;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/timer2/timer.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/timer2/timer.cpp
index 0ade3cf..2a42176 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/timer2/timer.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/timer2/timer.cpp
@@ -2,7 +2,7 @@
 // timer.cpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -10,7 +10,6 @@
 
 #include <iostream>
 #include <asio.hpp>
-#include <boost/date_time/posix_time/posix_time.hpp>
 
 void print(const asio::error_code& /*e*/)
 {
@@ -21,7 +20,7 @@ int main()
 {
   asio::io_context io;
 
-  asio::deadline_timer t(io, boost::posix_time::seconds(5));
+  asio::steady_timer t(io, asio::chrono::seconds(5));
   t.async_wait(&print);
 
   io.run();
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/timer3/timer.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/timer3/timer.cpp
index a95fb93..2c3aa0e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/timer3/timer.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/timer3/timer.cpp
@@ -2,7 +2,7 @@
 // timer.cpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -11,17 +11,16 @@
 #include <iostream>
 #include <asio.hpp>
 #include <boost/bind.hpp>
-#include <boost/date_time/posix_time/posix_time.hpp>
 
 void print(const asio::error_code& /*e*/,
-    asio::deadline_timer* t, int* count)
+    asio::steady_timer* t, int* count)
 {
   if (*count < 5)
   {
     std::cout << *count << std::endl;
     ++(*count);
 
-    t->expires_at(t->expires_at() + boost::posix_time::seconds(1));
+    t->expires_at(t->expiry() + asio::chrono::seconds(1));
     t->async_wait(boost::bind(print,
           asio::placeholders::error, t, count));
   }
@@ -32,7 +31,7 @@ int main()
   asio::io_context io;
 
   int count = 0;
-  asio::deadline_timer t(io, boost::posix_time::seconds(1));
+  asio::steady_timer t(io, asio::chrono::seconds(1));
   t.async_wait(boost::bind(print,
         asio::placeholders::error, &t, &count));
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/timer4/timer.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/timer4/timer.cpp
index 284e76f..11499ee 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/timer4/timer.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/timer4/timer.cpp
@@ -2,7 +2,7 @@
 // timer.cpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -11,13 +11,12 @@
 #include <iostream>
 #include <asio.hpp>
 #include <boost/bind.hpp>
-#include <boost/date_time/posix_time/posix_time.hpp>
 
 class printer
 {
 public:
   printer(asio::io_context& io)
-    : timer_(io, boost::posix_time::seconds(1)),
+    : timer_(io, asio::chrono::seconds(1)),
       count_(0)
   {
     timer_.async_wait(boost::bind(&printer::print, this));
@@ -35,13 +34,13 @@ public:
       std::cout << count_ << std::endl;
       ++count_;
 
-      timer_.expires_at(timer_.expires_at() + boost::posix_time::seconds(1));
+      timer_.expires_at(timer_.expiry() + asio::chrono::seconds(1));
       timer_.async_wait(boost::bind(&printer::print, this));
     }
   }
 
 private:
-  asio::deadline_timer timer_;
+  asio::steady_timer timer_;
   int count_;
 };
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/timer5/timer.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/timer5/timer.cpp
index 9186786..823f237 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/timer5/timer.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/timer5/timer.cpp
@@ -2,7 +2,7 @@
 // timer.cpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -11,15 +11,14 @@
 #include <iostream>
 #include <asio.hpp>
 #include <boost/bind.hpp>
-#include <boost/date_time/posix_time/posix_time.hpp>
 
 class printer
 {
 public:
   printer(asio::io_context& io)
-    : strand_(io),
-      timer1_(io, boost::posix_time::seconds(1)),
-      timer2_(io, boost::posix_time::seconds(1)),
+    : strand_(asio::make_strand(io)),
+      timer1_(io, asio::chrono::seconds(1)),
+      timer2_(io, asio::chrono::seconds(1)),
       count_(0)
   {
     timer1_.async_wait(asio::bind_executor(strand_,
@@ -41,7 +40,7 @@ public:
       std::cout << "Timer 1: " << count_ << std::endl;
       ++count_;
 
-      timer1_.expires_at(timer1_.expires_at() + boost::posix_time::seconds(1));
+      timer1_.expires_at(timer1_.expiry() + asio::chrono::seconds(1));
 
       timer1_.async_wait(asio::bind_executor(strand_,
             boost::bind(&printer::print1, this)));
@@ -55,7 +54,7 @@ public:
       std::cout << "Timer 2: " << count_ << std::endl;
       ++count_;
 
-      timer2_.expires_at(timer2_.expires_at() + boost::posix_time::seconds(1));
+      timer2_.expires_at(timer2_.expiry() + asio::chrono::seconds(1));
 
       timer2_.async_wait(asio::bind_executor(strand_,
             boost::bind(&printer::print2, this)));
@@ -63,9 +62,9 @@ public:
   }
 
 private:
-  asio::io_context::strand strand_;
-  asio::deadline_timer timer1_;
-  asio::deadline_timer timer2_;
+  asio::strand<asio::io_context::executor_type> strand_;
+  asio::steady_timer timer1_;
+  asio::steady_timer timer2_;
   int count_;
 };
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/timer_dox.txt b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/timer_dox.txt
index 6d8e534..ab41b8b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/timer_dox.txt
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/tutorial/timer_dox.txt
@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -21,32 +21,27 @@ header file.
 
 \until asio.hpp
 
-Since this example uses timers, we need to include the appropriate
-Boost.Date_Time header file for manipulating times.
-
-\until posix_time.hpp
-
 All programs that use asio need to have at least one asio::io_context object.
 This class provides access to I/O functionality. We declare an object of this
 type first thing in the main function.
 
 \until asio::io_context
 
-Next we declare an object of type asio::deadline_timer. The core asio classes
+Next we declare an object of type asio::steady_timer. The core asio classes
 that provide I/O functionality (or as in this case timer functionality) always
 take a reference to an io_context as their first constructor argument. The
 second argument to the constructor sets the timer to expire 5 seconds from now.
 
-\until asio::deadline_timer
+\until asio::steady_timer
 
 In this simple example we perform a blocking wait on the timer.
-That is, the call to asio::deadline_timer::wait() will not return until the
+That is, the call to asio::steady_timer::wait() will not return until the
 timer has expired, 5 seconds after it was created (i.e. <b>not</b> from when the
 wait starts).
 
-A deadline timer is always in one of two states: "expired" or "not expired". If
-the asio::deadline_timer::wait() function is called on an expired timer, it
-will return immediately.
+A timer is always in one of two states: "expired" or "not expired". If the
+asio::steady_timer::wait() function is called on an expired timer, it will
+return immediately.
 
 \until wait
 
@@ -77,17 +72,17 @@ asynchronous wait on the timer.
 \dontinclude timer2/timer.cpp
 \skip #include
 
-\until posix_time.hpp
+\until asio.hpp
 
 Using asio's asynchronous functionality means having a callback
 function that will be called when an asynchronous operation completes. In this
 program we define a function called <tt>print</tt> to be called when the
 asynchronous wait finishes.
 
-\until asio::deadline_timer 
+\until asio::steady_timer 
 
 Next, instead of doing a blocking wait as in tutorial Timer.1,
-we call the asio::deadline_timer::async_wait() function to perform an
+we call the asio::steady_timer::async_wait() function to perform an
 asynchronous wait. When calling this function we pass the <tt>print</tt>
 callback handler that was defined above.
 
@@ -108,7 +103,7 @@ callback has completed.
 
 It is important to remember to give the io_context some work to do before
 calling asio::io_context::run(). For example, if we had omitted the above call
-to asio::deadline_timer::async_wait(), the io_context would not have had any
+to asio::steady_timer::async_wait(), the io_context would not have had any
 work to do, and consequently asio::io_context::run() would have returned
 immediately.
 
@@ -138,7 +133,7 @@ your handler function.
 \dontinclude timer3/timer.cpp
 \skip #include
 
-\until posix_time.hpp
+\until bind.hpp
 
 To implement a repeating timer using asio you need to change
 the timer's expiry time in your callback function, and to then start a new
@@ -172,7 +167,7 @@ whole-second mark due to any delays in processing the handler.
 
 Then we start a new asynchronous wait on the timer. As you can
 see, the \ref boost_bind function is used to associate the extra parameters
-with your callback handler. The asio::deadline_timer::async_wait() function
+with your callback handler. The asio::steady_timer::async_wait() function
 expects a handler function (or function object) with the signature
 <tt>void(const asio::error_code&)</tt>. Binding the additional parameters
 converts your <tt>print</tt> function into a function object that matches the
@@ -193,10 +188,10 @@ the callback handler.
 A new <tt>count</tt> variable is added so that we can stop the
 program when the timer fires for the sixth time.
 
-\until asio::deadline_timer
+\until asio::steady_timer
 
 As in Step 4, when making the call to
-asio::deadline_timer::async_wait() from <tt>main</tt> we bind the additional
+asio::steady_timer::async_wait() from <tt>main</tt> we bind the additional
 parameters needed for the <tt>print</tt> function.
 
 \until run
@@ -230,7 +225,7 @@ tutorial Timer.3.
 \dontinclude timer4/timer.cpp
 \skip #include
 
-\until posix_time.hpp
+\until bind.hpp
 
 Instead of defining a free function <tt>print</tt> as the
 callback handler, as we did in the earlier tutorial programs, we now define a
@@ -292,7 +287,7 @@ Return to \ref tuttimer4
 /**
 \page tuttimer5 Timer.5 - Synchronising handlers in multithreaded programs
 
-This tutorial demonstrates the use of the asio::io_context::strand class to
+This tutorial demonstrates the use of the asio::strand class template to
 synchronise callback handlers in a multithreaded program.
 
 The previous four tutorials avoided the issue of handler synchronisation by
@@ -319,7 +314,7 @@ when handlers might be accessing a shared, thread-unsafe resource.
 \dontinclude timer5/timer.cpp
 \skip #include
 
-\until posix_time.hpp
+\until bind.hpp
 
 We start by defining a class called <tt>printer</tt>, similar
 to the class in the previous tutorial. This class will extend the previous
@@ -327,27 +322,27 @@ tutorial by running two timers in parallel.
 
 \until public
 
-In addition to initialising a pair of asio::deadline_timer members, the
+In addition to initialising a pair of asio::steady_timer members, the
 constructor initialises the <tt>strand_</tt> member, an object of type
-asio::io_context::strand.
+asio::strand<asio::io_context::executor_type>.
 
-An asio::io_context::strand is an executor that guarantees that, for those
-handlers that are dispatched through it, an executing handler will be allowed
-to complete before the next one is started. This is guaranteed irrespective of
-the number of threads that are calling asio::io_context::run(). Of course, the
-handlers may still execute concurrently with other handlers that were
-<b>not</b> dispatched through an asio::io_context::strand, or were dispatched
-through a different asio::io_context::strand object.
+The asio::strand class template is an executor adapter that guarantees
+that, for those handlers that are dispatched through it, an executing handler
+will be allowed to complete before the next one is started. This is guaranteed
+irrespective of the number of threads that are calling
+asio::io_context::run(). Of course, the handlers may still execute
+concurrently with other handlers that were <b>not</b> dispatched through an
+asio::strand, or were dispatched through a different asio::strand
+object.
 
 \until {
 
 When initiating the asynchronous operations, each callback handler is "bound"
-to an asio::io_context::strand object. The
-asio::io_context::strand::bind_executor() function returns a new handler that
-automatically dispatches its contained handler through the
-asio::io_context::strand object. By binding the handlers to the same
-asio::io_context::strand, we are ensuring that they cannot execute
-concurrently.
+to an asio::strand<asio::io_context::executor_type> object. The
+asio::bind_executor() function returns a new handler that automatically
+dispatches its contained handler through the asio::strand object. By
+binding the handlers to the same asio::strand, we are ensuring that they
+cannot execute concurrently.
 
 \until }
 \until }
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/windows/transmit_file.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/windows/transmit_file.cpp
index a77f9a0..31eb0ef 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/windows/transmit_file.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp03/windows/transmit_file.cpp
@@ -2,7 +2,7 @@
 // transmit_file.cpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -22,9 +22,15 @@ using asio::ip::tcp;
 using asio::windows::overlapped_ptr;
 using asio::windows::random_access_handle;
 
+typedef asio::basic_stream_socket<tcp,
+    asio::io_context::executor_type> tcp_socket;
+
+typedef asio::basic_socket_acceptor<tcp,
+    asio::io_context::executor_type> tcp_acceptor;
+
 // A wrapper for the TransmitFile overlapped I/O operation.
 template <typename Handler>
-void transmit_file(tcp::socket& socket,
+void transmit_file(tcp_socket& socket,
     random_access_handle& file, Handler handler)
 {
   // Construct an OVERLAPPED-derived object to contain the handler.
@@ -65,7 +71,7 @@ public:
     return pointer(new connection(io_context, filename));
   }
 
-  tcp::socket& socket()
+  tcp_socket& socket()
   {
     return socket_;
   }
@@ -96,10 +102,10 @@ private:
       size_t /*bytes_transferred*/)
   {
     asio::error_code ignored_ec;
-    socket_.shutdown(tcp::socket::shutdown_both, ignored_ec);
+    socket_.shutdown(tcp_socket::shutdown_both, ignored_ec);
   }
 
-  tcp::socket socket_;
+  tcp_socket socket_;
   std::string filename_;
   random_access_handle file_;
 };
@@ -137,7 +143,7 @@ private:
     start_accept();
   }
 
-  tcp::acceptor acceptor_;
+  tcp_acceptor acceptor_;
   std::string filename_;
 };
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/Makefile.am b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/Makefile.am
index faf3ff3..a1b2626 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/Makefile.am
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/Makefile.am
@@ -32,7 +32,22 @@ noinst_PROGRAMS = \
 	iostreams/http_client \
 	multicast/receiver \
 	multicast/sender \
-	nonblocking/third_party_lib
+	nonblocking/third_party_lib \
+	operations/composed_1 \
+	operations/composed_2 \
+	operations/composed_3 \
+	operations/composed_4 \
+	operations/composed_5 \
+	operations/composed_6 \
+	operations/composed_7 \
+	operations/composed_8 \
+	socks4/sync_client \
+	timeouts/async_tcp_client \
+	timeouts/blocking_tcp_client \
+	timeouts/blocking_token_tcp_client \
+	timeouts/blocking_udp_client \
+	timeouts/server \
+	timers/time_t_timer
 
 if !WINDOWS_TARGET
 noinst_PROGRAMS += \
@@ -44,6 +59,12 @@ noinst_PROGRAMS += \
 	local/stream_client
 endif
 
+if HAVE_OPENSSL
+noinst_PROGRAMS += \
+	ssl/client \
+	ssl/server
+endif
+
 if HAVE_BOOST_COROUTINE
 noinst_PROGRAMS += \
   spawn/echo_server \
@@ -51,6 +72,7 @@ noinst_PROGRAMS += \
 endif
 
 noinst_HEADERS = \
+	socks4/socks4.hpp \
 	chat/chat_message.hpp
 
 AM_CXXFLAGS = -I$(srcdir)/../../../include
@@ -86,6 +108,21 @@ iostreams_http_client_SOURCES = iostreams/http_client.cpp
 multicast_receiver_SOURCES = multicast/receiver.cpp
 multicast_sender_SOURCES = multicast/sender.cpp
 nonblocking_third_party_lib_SOURCES = nonblocking/third_party_lib.cpp
+operations_composed_1_SOURCES = operations/composed_1.cpp
+operations_composed_2_SOURCES = operations/composed_2.cpp
+operations_composed_3_SOURCES = operations/composed_3.cpp
+operations_composed_4_SOURCES = operations/composed_4.cpp
+operations_composed_5_SOURCES = operations/composed_5.cpp
+operations_composed_6_SOURCES = operations/composed_6.cpp
+operations_composed_7_SOURCES = operations/composed_7.cpp
+operations_composed_8_SOURCES = operations/composed_8.cpp
+socks4_sync_client_SOURCES = socks4/sync_client.cpp
+timeouts_async_tcp_client_SOURCES = timeouts/async_tcp_client.cpp
+timeouts_blocking_tcp_client_SOURCES = timeouts/blocking_tcp_client.cpp
+timeouts_blocking_token_tcp_client_SOURCES = timeouts/blocking_token_tcp_client.cpp
+timeouts_blocking_udp_client_SOURCES = timeouts/blocking_udp_client.cpp
+timeouts_server_SOURCES = timeouts/server.cpp
+timers_time_t_timer_SOURCES = timers/time_t_timer.cpp
 
 if !WINDOWS_TARGET
 fork_daemon_SOURCES = fork/daemon.cpp
@@ -96,6 +133,11 @@ local_stream_server_SOURCES = local/stream_server.cpp
 local_stream_client_SOURCES = local/stream_client.cpp
 endif
 
+if HAVE_OPENSSL
+ssl_client_SOURCES = ssl/client.cpp
+ssl_server_SOURCES = ssl/server.cpp
+endif
+
 if HAVE_BOOST_COROUTINE
 spawn_echo_server_SOURCES = spawn/echo_server.cpp
 spawn_echo_server_LDADD = $(LDADD) -lboost_coroutine -lboost_context -lboost_thread -lboost_chrono -lboost_system
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/allocation/server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/allocation/server.cpp
index 0cb9e36..a8deb6c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/allocation/server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/allocation/server.cpp
@@ -2,7 +2,7 @@
 // server.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/buffers/reference_counted.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/buffers/reference_counted.cpp
index e08cc88..fc173bb 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/buffers/reference_counted.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/buffers/reference_counted.cpp
@@ -2,7 +2,7 @@
 // reference_counted.cpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -13,6 +13,7 @@
 #include <memory>
 #include <utility>
 #include <vector>
+#include <ctime>
 
 using asio::ip::tcp;
 
@@ -60,7 +61,7 @@ private:
 
     auto self(shared_from_this());
     asio::async_write(socket_, buffer,
-        [this, self](std::error_code /*ec*/, std::size_t /*length*/)
+        [self](std::error_code /*ec*/, std::size_t /*length*/)
         {
         });
   }
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/chat/chat_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/chat/chat_client.cpp
index 6714e9c..afebdfd 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/chat/chat_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/chat/chat_client.cpp
@@ -2,7 +2,7 @@
 // chat_client.cpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/chat/chat_message.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/chat/chat_message.hpp
index d2edd1c..e2b6003 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/chat/chat_message.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/chat/chat_message.hpp
@@ -2,7 +2,7 @@
 // chat_message.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/chat/chat_server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/chat/chat_server.cpp
index 7c66340..174d3a6 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/chat/chat_server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/chat/chat_server.cpp
@@ -2,7 +2,7 @@
 // chat_server.cpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/echo/async_tcp_echo_server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/echo/async_tcp_echo_server.cpp
index 220e4cf..0b2cb23 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/echo/async_tcp_echo_server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/echo/async_tcp_echo_server.cpp
@@ -2,7 +2,7 @@
 // async_tcp_echo_server.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/echo/async_udp_echo_server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/echo/async_udp_echo_server.cpp
index ea96d5c..49470f3 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/echo/async_udp_echo_server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/echo/async_udp_echo_server.cpp
@@ -2,7 +2,7 @@
 // async_udp_echo_server.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/echo/blocking_tcp_echo_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/echo/blocking_tcp_echo_client.cpp
index e9fe795..ef69bf3 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/echo/blocking_tcp_echo_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/echo/blocking_tcp_echo_client.cpp
@@ -2,7 +2,7 @@
 // blocking_tcp_echo_client.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/echo/blocking_tcp_echo_server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/echo/blocking_tcp_echo_server.cpp
index f44fbb9..ee43efb 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/echo/blocking_tcp_echo_server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/echo/blocking_tcp_echo_server.cpp
@@ -2,7 +2,7 @@
 // blocking_tcp_echo_server.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/echo/blocking_udp_echo_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/echo/blocking_udp_echo_client.cpp
index f275aac..7df32a3 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/echo/blocking_udp_echo_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/echo/blocking_udp_echo_client.cpp
@@ -2,7 +2,7 @@
 // blocking_udp_echo_client.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/echo/blocking_udp_echo_server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/echo/blocking_udp_echo_server.cpp
index 2a8d545..dd7caf1 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/echo/blocking_udp_echo_server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/echo/blocking_udp_echo_server.cpp
@@ -2,7 +2,7 @@
 // blocking_udp_echo_server.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/executors/fork_join.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/executors/fork_join.cpp
index 6971681..12bcfb1 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/executors/fork_join.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/executors/fork_join.cpp
@@ -6,6 +6,7 @@
 #include <mutex>
 #include <queue>
 #include <thread>
+#include <numeric>
 
 using asio::dispatch;
 using asio::execution_context;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/executors/pipeline.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/executors/pipeline.cpp
index 86bf860..fda0c9b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/executors/pipeline.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/executors/pipeline.cpp
@@ -11,6 +11,7 @@
 #include <queue>
 #include <thread>
 #include <vector>
+#include <cctype>
 
 using asio::execution_context;
 using asio::executor_binder;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/fork/daemon.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/fork/daemon.cpp
index dde37b3..b7e28bc 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/fork/daemon.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/fork/daemon.cpp
@@ -2,7 +2,7 @@
 // daemon.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/fork/process_per_connection.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/fork/process_per_connection.cpp
index c8db9e2..352dcab 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/fork/process_per_connection.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/fork/process_per_connection.cpp
@@ -2,7 +2,7 @@
 // process_per_connection.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/futures/daytime_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/futures/daytime_client.cpp
index 4ef3934..015d876 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/futures/daytime_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/futures/daytime_client.cpp
@@ -2,7 +2,7 @@
 // daytime_client.cpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/handler_tracking/custom_tracking.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/handler_tracking/custom_tracking.hpp
index 2fd213f..68647ca 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/handler_tracking/custom_tracking.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/handler_tracking/custom_tracking.hpp
@@ -2,7 +2,7 @@
 // custom_tracking.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/connection.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/connection.cpp
index fc97480..77e987a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/connection.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/connection.cpp
@@ -2,7 +2,7 @@
 // connection.cpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/connection.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/connection.hpp
index 873d4c4..3a90c60 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/connection.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/connection.hpp
@@ -2,7 +2,7 @@
 // connection.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/connection_manager.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/connection_manager.cpp
index e3e18ca..bbb0246 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/connection_manager.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/connection_manager.cpp
@@ -2,7 +2,7 @@
 // connection_manager.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/connection_manager.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/connection_manager.hpp
index 617a54f..aa47824 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/connection_manager.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/connection_manager.hpp
@@ -2,7 +2,7 @@
 // connection_manager.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/header.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/header.hpp
index 877211f..067cc1f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/header.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/header.hpp
@@ -2,7 +2,7 @@
 // header.hpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/main.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/main.cpp
index 543e0ef..c2b22fc 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/main.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/main.cpp
@@ -2,7 +2,7 @@
 // main.cpp
 // ~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/mime_types.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/mime_types.cpp
index c05ee4b..c80ca9f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/mime_types.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/mime_types.cpp
@@ -2,7 +2,7 @@
 // mime_types.cpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/mime_types.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/mime_types.hpp
index 891c443..950f84b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/mime_types.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/mime_types.hpp
@@ -2,7 +2,7 @@
 // mime_types.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/reply.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/reply.cpp
index 42e664a..7d0d91a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/reply.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/reply.cpp
@@ -2,7 +2,7 @@
 // reply.cpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/reply.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/reply.hpp
index 02063f8..60a7e1f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/reply.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/reply.hpp
@@ -2,7 +2,7 @@
 // reply.hpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/request.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/request.hpp
index 20efff4..1d0267b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/request.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/request.hpp
@@ -2,7 +2,7 @@
 // request.hpp
 // ~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/request_handler.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/request_handler.cpp
index 419c62b..45cbb64 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/request_handler.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/request_handler.cpp
@@ -2,7 +2,7 @@
 // request_handler.cpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/request_handler.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/request_handler.hpp
index e2dff5c..8e240cc 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/request_handler.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/request_handler.hpp
@@ -2,7 +2,7 @@
 // request_handler.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/request_parser.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/request_parser.cpp
index 2104034..5aa0a71 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/request_parser.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/request_parser.cpp
@@ -2,7 +2,7 @@
 // request_parser.cpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/request_parser.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/request_parser.hpp
index 2c1d05a..adc382a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/request_parser.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/request_parser.hpp
@@ -2,7 +2,7 @@
 // request_parser.hpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/server.cpp
index f1b7eea..c4a9c74 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/server.cpp
@@ -2,7 +2,7 @@
 // server.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/server.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/server.hpp
index ebf79d7..5d1d1ab 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/server.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/http/server/server.hpp
@@ -2,7 +2,7 @@
 // server.hpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/invocation/prioritised_handlers.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/invocation/prioritised_handlers.cpp
index d20ed4f..3f3289d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/invocation/prioritised_handlers.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/invocation/prioritised_handlers.cpp
@@ -2,7 +2,7 @@
 // prioritised_handlers.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -15,7 +15,7 @@
 
 using asio::ip::tcp;
 
-class handler_priority_queue : asio::execution_context
+class handler_priority_queue : public asio::execution_context
 {
 public:
   template <typename Function>
@@ -142,7 +142,8 @@ private:
 
 //----------------------------------------------------------------------
 
-void high_priority_handler(const asio::error_code& /*ec*/)
+void high_priority_handler(const asio::error_code& /*ec*/,
+    tcp::socket /*socket*/)
 {
   std::cout << "High priority handler\n";
 }
@@ -178,8 +179,7 @@ int main()
   tcp::endpoint endpoint(asio::ip::address_v4::loopback(), 0);
   tcp::acceptor acceptor(io_context, endpoint);
   tcp::socket server_socket(io_context);
-  acceptor.async_accept(server_socket,
-      pri_queue.wrap(100, high_priority_handler));
+  acceptor.async_accept(pri_queue.wrap(100, high_priority_handler));
   tcp::socket client_socket(io_context);
   client_socket.connect(acceptor.local_endpoint());
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/iostreams/http_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/iostreams/http_client.cpp
index 0bb0202..5fb2845 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/iostreams/http_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/iostreams/http_client.cpp
@@ -2,7 +2,7 @@
 // http_client.cpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/local/connect_pair.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/local/connect_pair.cpp
index 335420b..96d7665 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/local/connect_pair.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/local/connect_pair.cpp
@@ -2,7 +2,7 @@
 // connect_pair.cpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/local/iostream_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/local/iostream_client.cpp
index d944d66..66289c9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/local/iostream_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/local/iostream_client.cpp
@@ -2,7 +2,7 @@
 // stream_client.cpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/local/stream_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/local/stream_client.cpp
index c89f0da..02ec101 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/local/stream_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/local/stream_client.cpp
@@ -2,7 +2,7 @@
 // stream_client.cpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/local/stream_server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/local/stream_server.cpp
index 82e0baf..3cc3323 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/local/stream_server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/local/stream_server.cpp
@@ -2,7 +2,7 @@
 // stream_server.cpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/multicast/receiver.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/multicast/receiver.cpp
index fc1fbc0..3920f64 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/multicast/receiver.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/multicast/receiver.cpp
@@ -2,7 +2,7 @@
 // receiver.cpp
 // ~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/multicast/sender.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/multicast/sender.cpp
index d575ccd..3df59f3 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/multicast/sender.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/multicast/sender.cpp
@@ -2,7 +2,7 @@
 // sender.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/nonblocking/third_party_lib.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/nonblocking/third_party_lib.cpp
index a7832a3..91cd695 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/nonblocking/third_party_lib.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/nonblocking/third_party_lib.cpp
@@ -2,7 +2,7 @@
 // third_party_lib.cpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/.gitignore b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/.gitignore
new file mode 100644
index 0000000..fd7a399
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/.gitignore
@@ -0,0 +1,10 @@
+.deps
+.dirstamp
+*.o
+*.obj
+*.exe
+composed_[0-9]
+*.ilk
+*.manifest
+*.pdb
+*.tds
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/composed_1.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/composed_1.cpp
new file mode 100644
index 0000000..fb3f29c
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/composed_1.cpp
@@ -0,0 +1,113 @@
+//
+// composed_1.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/use_future.hpp>
+#include <asio/write.hpp>
+#include <cstring>
+#include <iostream>
+#include <string>
+#include <type_traits>
+#include <utility>
+
+using asio::ip::tcp;
+
+//------------------------------------------------------------------------------
+
+// This is the simplest example of a composed asynchronous operation, where we
+// simply repackage an existing operation. The asynchronous operation
+// requirements are met by delegating responsibility to the underlying
+// operation.
+
+template <typename CompletionToken>
+auto async_write_message(tcp::socket& socket,
+    const char* message, CompletionToken&& token)
+  // The return type of the initiating function is deduced from the combination
+  // of CompletionToken type and the completion handler's signature. When the
+  // completion token is a simple callback, the return type is void. However,
+  // when the completion token is asio::yield_context (used for stackful
+  // coroutines) the return type would be std::size_t, and when the completion
+  // token is asio::use_future it would be std::future<std::size_t>.
+  -> typename asio::async_result<
+    typename std::decay<CompletionToken>::type,
+    void(std::error_code, std::size_t)>::return_type
+{
+  // When delegating to the underlying operation we must take care to perfectly
+  // forward the completion token. This ensures that our operation works
+  // correctly with move-only function objects as callbacks, as well as other
+  // completion token types.
+  return asio::async_write(socket,
+      asio::buffer(message, std::strlen(message)),
+      std::forward<CompletionToken>(token));
+}
+
+//------------------------------------------------------------------------------
+
+void test_callback()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using a lambda as a callback.
+  async_write_message(socket, "Testing callback\r\n",
+      [](const std::error_code& error, std::size_t n)
+      {
+        if (!error)
+        {
+          std::cout << n << " bytes transferred\n";
+        }
+        else
+        {
+          std::cout << "Error: " << error.message() << "\n";
+        }
+      });
+
+  io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_future()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using the use_future completion token.
+  // This token causes the operation's initiating function to return a future,
+  // which may be used to synchronously wait for the result of the operation.
+  std::future<std::size_t> f = async_write_message(
+      socket, "Testing future\r\n", asio::use_future);
+
+  io_context.run();
+
+  try
+  {
+    // Get the result of the operation.
+    std::size_t n = f.get();
+    std::cout << n << " bytes transferred\n";
+  }
+  catch (const std::exception& e)
+  {
+    std::cout << "Error: " << e.what() << "\n";
+  }
+}
+
+//------------------------------------------------------------------------------
+
+int main()
+{
+  test_callback();
+  test_future();
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/composed_2.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/composed_2.cpp
new file mode 100644
index 0000000..9392bdb
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/composed_2.cpp
@@ -0,0 +1,131 @@
+//
+// composed_2.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/use_future.hpp>
+#include <asio/write.hpp>
+#include <cstring>
+#include <iostream>
+#include <string>
+#include <type_traits>
+#include <utility>
+
+using asio::ip::tcp;
+
+//------------------------------------------------------------------------------
+
+// This next simplest example of a composed asynchronous operation involves
+// repackaging multiple operations but choosing to invoke just one of them. All
+// of these underlying operations have the same completion signature. The
+// asynchronous operation requirements are met by delegating responsibility to
+// the underlying operations.
+
+template <typename CompletionToken>
+auto async_write_message(tcp::socket& socket,
+    const char* message, bool allow_partial_write,
+    CompletionToken&& token)
+  // The return type of the initiating function is deduced from the combination
+  // of CompletionToken type and the completion handler's signature. When the
+  // completion token is a simple callback, the return type is void. However,
+  // when the completion token is asio::yield_context (used for stackful
+  // coroutines) the return type would be std::size_t, and when the completion
+  // token is asio::use_future it would be std::future<std::size_t>.
+  -> typename asio::async_result<
+    typename std::decay<CompletionToken>::type,
+    void(std::error_code, std::size_t)>::return_type
+{
+  // As the return type of the initiating function is deduced solely from the
+  // CompletionToken and completion signature, we know that two different
+  // asynchronous operations having the same completion signature will produce
+  // the same return type, when passed the same CompletionToken. This allows us
+  // to trivially delegate to alternate implementations.
+  if (allow_partial_write)
+  {
+    // When delegating to an underlying operation we must take care to
+    // perfectly forward the completion token. This ensures that our operation
+    // works correctly with move-only function objects as callbacks, as well as
+    // other completion token types.
+    return socket.async_write_some(
+        asio::buffer(message, std::strlen(message)),
+        std::forward<CompletionToken>(token));
+  }
+  else
+  {
+    // As above, we must perfectly forward the completion token when calling
+    // the alternate underlying operation.
+    return asio::async_write(socket,
+        asio::buffer(message, std::strlen(message)),
+        std::forward<CompletionToken>(token));
+  }
+}
+
+//------------------------------------------------------------------------------
+
+void test_callback()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using a lambda as a callback.
+  async_write_message(socket, "Testing callback\r\n", false,
+      [](const std::error_code& error, std::size_t n)
+      {
+        if (!error)
+        {
+          std::cout << n << " bytes transferred\n";
+        }
+        else
+        {
+          std::cout << "Error: " << error.message() << "\n";
+        }
+      });
+
+  io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_future()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using the use_future completion token.
+  // This token causes the operation's initiating function to return a future,
+  // which may be used to synchronously wait for the result of the operation.
+  std::future<std::size_t> f = async_write_message(
+      socket, "Testing future\r\n", false, asio::use_future);
+
+  io_context.run();
+
+  try
+  {
+    // Get the result of the operation.
+    std::size_t n = f.get();
+    std::cout << n << " bytes transferred\n";
+  }
+  catch (const std::exception& e)
+  {
+    std::cout << "Error: " << e.what() << "\n";
+  }
+}
+
+//------------------------------------------------------------------------------
+
+int main()
+{
+  test_callback();
+  test_future();
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/composed_3.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/composed_3.cpp
new file mode 100644
index 0000000..2ae848d
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/composed_3.cpp
@@ -0,0 +1,192 @@
+//
+// composed_3.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/bind_executor.hpp>
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/use_future.hpp>
+#include <asio/write.hpp>
+#include <cstring>
+#include <functional>
+#include <iostream>
+#include <string>
+#include <type_traits>
+#include <utility>
+
+using asio::ip::tcp;
+
+// NOTE: This example requires the new asio::async_initiate function. For
+// an example that works with the Networking TS style of completion tokens,
+// please see an older version of asio.
+
+//------------------------------------------------------------------------------
+
+// In this composed operation we repackage an existing operation, but with a
+// different completion handler signature. The asynchronous operation
+// requirements are met by delegating responsibility to the underlying
+// operation.
+
+// In addition to determining the mechanism by which an asynchronous operation
+// delivers its result, a completion token also determines the time when the
+// operation commences. For example, when the completion token is a simple
+// callback the operation commences before the initiating function returns.
+// However, if the completion token's delivery mechanism uses a future, we
+// might instead want to defer initiation of the operation until the returned
+// future object is waited upon.
+//
+// To enable this, when implementing an asynchronous operation we must package
+// the initiation step as a function object.
+struct async_write_message_initiation
+{
+  // The initiation function object's call operator is passed the concrete
+  // completion handler produced by the completion token. This completion
+  // handler matches the asynchronous operation's completion handler signature,
+  // which in this example is:
+  //
+  //   void(std::error_code error)
+  //
+  // The initiation function object also receives any additional arguments
+  // required to start the operation. (Note: We could have instead passed these
+  // arguments as members in the initiaton function object. However, we should
+  // prefer to propagate them as function call arguments as this allows the
+  // completion token to optimise how they are passed. For example, a lazy
+  // future which defers initiation would need to make a decay-copy of the
+  // arguments, but when using a simple callback the arguments can be trivially
+  // forwarded straight through.)
+  template <typename CompletionHandler>
+  void operator()(CompletionHandler&& completion_handler,
+      tcp::socket& socket, const char* message) const
+  {
+    // The async_write operation has a completion handler signature of:
+    //
+    //   void(std::error_code error, std::size n)
+    //
+    // This differs from our operation's signature in that it is also passed
+    // the number of bytes transferred as an argument of type std::size_t. We
+    // will adapt our completion handler to async_write's completion handler
+    // signature by using std::bind, which drops the additional argument.
+    //
+    // However, it is essential to the correctness of our composed operation
+    // that we preserve the executor of the user-supplied completion handler.
+    // The std::bind function will not do this for us, so we must do this by
+    // first obtaining the completion handler's associated executor (defaulting
+    // to the I/O executor - in this case the executor of the socket - if the
+    // completion handler does not have its own) ...
+    auto executor = asio::get_associated_executor(
+        completion_handler, socket.get_executor());
+
+    // ... and then binding this executor to our adapted completion handler
+    // using the asio::bind_executor function.
+    asio::async_write(socket,
+        asio::buffer(message, std::strlen(message)),
+        asio::bind_executor(executor,
+          std::bind(std::forward<CompletionHandler>(
+            completion_handler), std::placeholders::_1)));
+  }
+};
+
+template <typename CompletionToken>
+auto async_write_message(tcp::socket& socket,
+    const char* message, CompletionToken&& token)
+  // The return type of the initiating function is deduced from the combination
+  // of CompletionToken type and the completion handler's signature. When the
+  // completion token is a simple callback, the return type is always void.
+  // In this example, when the completion token is asio::yield_context
+  // (used for stackful coroutines) the return type would be also be void, as
+  // there is no non-error argument to the completion handler. When the
+  // completion token is asio::use_future it would be std::future<void>.
+  -> typename asio::async_result<
+    typename std::decay<CompletionToken>::type,
+    void(std::error_code)>::return_type
+{
+  // The asio::async_initiate function takes:
+  //
+  // - our initiation function object,
+  // - the completion token,
+  // - the completion handler signature, and
+  // - any additional arguments we need to initiate the operation.
+  //
+  // It then asks the completion token to create a completion handler (i.e. a
+  // callback) with the specified signature, and invoke the initiation function
+  // object with this completion handler as well as the additional arguments.
+  // The return value of async_initiate is the result of our operation's
+  // initiating function.
+  //
+  // Note that we wrap non-const reference arguments in std::reference_wrapper
+  // to prevent incorrect decay-copies of these objects.
+  return asio::async_initiate<
+    CompletionToken, void(std::error_code)>(
+      async_write_message_initiation(),
+      token, std::ref(socket), message);
+}
+
+//------------------------------------------------------------------------------
+
+void test_callback()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using a lambda as a callback.
+  async_write_message(socket, "Testing callback\r\n",
+      [](const std::error_code& error)
+      {
+        if (!error)
+        {
+          std::cout << "Message sent\n";
+        }
+        else
+        {
+          std::cout << "Error: " << error.message() << "\n";
+        }
+      });
+
+  io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_future()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using the use_future completion token.
+  // This token causes the operation's initiating function to return a future,
+  // which may be used to synchronously wait for the result of the operation.
+  std::future<void> f = async_write_message(
+      socket, "Testing future\r\n", asio::use_future);
+
+  io_context.run();
+
+  // Get the result of the operation.
+  try
+  {
+    // Get the result of the operation.
+    f.get();
+    std::cout << "Message sent\n";
+  }
+  catch (const std::exception& e)
+  {
+    std::cout << "Error: " << e.what() << "\n";
+  }
+}
+
+//------------------------------------------------------------------------------
+
+int main()
+{
+  test_callback();
+  test_future();
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/composed_4.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/composed_4.cpp
new file mode 100644
index 0000000..94d5e6e
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/composed_4.cpp
@@ -0,0 +1,207 @@
+//
+// composed_4.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/bind_executor.hpp>
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/use_future.hpp>
+#include <asio/write.hpp>
+#include <cstring>
+#include <functional>
+#include <iostream>
+#include <string>
+#include <type_traits>
+#include <utility>
+
+using asio::ip::tcp;
+
+// NOTE: This example requires the new asio::async_initiate function. For
+// an example that works with the Networking TS style of completion tokens,
+// please see an older version of asio.
+
+//------------------------------------------------------------------------------
+
+// In this composed operation we repackage an existing operation, but with a
+// different completion handler signature. We will also intercept an empty
+// message as an invalid argument, and propagate the corresponding error to the
+// user. The asynchronous operation requirements are met by delegating
+// responsibility to the underlying operation.
+
+// In addition to determining the mechanism by which an asynchronous operation
+// delivers its result, a completion token also determines the time when the
+// operation commences. For example, when the completion token is a simple
+// callback the operation commences before the initiating function returns.
+// However, if the completion token's delivery mechanism uses a future, we
+// might instead want to defer initiation of the operation until the returned
+// future object is waited upon.
+//
+// To enable this, when implementing an asynchronous operation we must package
+// the initiation step as a function object.
+struct async_write_message_initiation
+{
+  // The initiation function object's call operator is passed the concrete
+  // completion handler produced by the completion token. This completion
+  // handler matches the asynchronous operation's completion handler signature,
+  // which in this example is:
+  //
+  //   void(std::error_code error)
+  //
+  // The initiation function object also receives any additional arguments
+  // required to start the operation. (Note: We could have instead passed these
+  // arguments as members in the initiaton function object. However, we should
+  // prefer to propagate them as function call arguments as this allows the
+  // completion token to optimise how they are passed. For example, a lazy
+  // future which defers initiation would need to make a decay-copy of the
+  // arguments, but when using a simple callback the arguments can be trivially
+  // forwarded straight through.)
+  template <typename CompletionHandler>
+  void operator()(CompletionHandler&& completion_handler,
+      tcp::socket& socket, const char* message) const
+  {
+    // The post operation has a completion handler signature of:
+    //
+    //   void()
+    //
+    // and the async_write operation has a completion handler signature of:
+    //
+    //   void(std::error_code error, std::size n)
+    //
+    // Both of these operations' completion handler signatures differ from our
+    // operation's completion handler signature. We will adapt our completion
+    // handler to these signatures by using std::bind, which drops the
+    // additional arguments.
+    //
+    // However, it is essential to the correctness of our composed operation
+    // that we preserve the executor of the user-supplied completion handler.
+    // The std::bind function will not do this for us, so we must do this by
+    // first obtaining the completion handler's associated executor (defaulting
+    // to the I/O executor - in this case the executor of the socket - if the
+    // completion handler does not have its own) ...
+    auto executor = asio::get_associated_executor(
+        completion_handler, socket.get_executor());
+
+    // ... and then binding this executor to our adapted completion handler
+    // using the asio::bind_executor function.
+    std::size_t length = std::strlen(message);
+    if (length == 0)
+    {
+      asio::post(
+          asio::bind_executor(executor,
+            std::bind(std::forward<CompletionHandler>(completion_handler),
+              asio::error::invalid_argument)));
+    }
+    else
+    {
+      asio::async_write(socket,
+          asio::buffer(message, length),
+          asio::bind_executor(executor,
+            std::bind(std::forward<CompletionHandler>(completion_handler),
+              std::placeholders::_1)));
+    }
+  }
+};
+
+template <typename CompletionToken>
+auto async_write_message(tcp::socket& socket,
+    const char* message, CompletionToken&& token)
+  // The return type of the initiating function is deduced from the combination
+  // of CompletionToken type and the completion handler's signature. When the
+  // completion token is a simple callback, the return type is always void.
+  // In this example, when the completion token is asio::yield_context
+  // (used for stackful coroutines) the return type would be also be void, as
+  // there is no non-error argument to the completion handler. When the
+  // completion token is asio::use_future it would be std::future<void>.
+  -> typename asio::async_result<
+    typename std::decay<CompletionToken>::type,
+    void(std::error_code)>::return_type
+{
+  // The asio::async_initiate function takes:
+  //
+  // - our initiation function object,
+  // - the completion token,
+  // - the completion handler signature, and
+  // - any additional arguments we need to initiate the operation.
+  //
+  // It then asks the completion token to create a completion handler (i.e. a
+  // callback) with the specified signature, and invoke the initiation function
+  // object with this completion handler as well as the additional arguments.
+  // The return value of async_initiate is the result of our operation's
+  // initiating function.
+  //
+  // Note that we wrap non-const reference arguments in std::reference_wrapper
+  // to prevent incorrect decay-copies of these objects.
+  return asio::async_initiate<
+    CompletionToken, void(std::error_code)>(
+      async_write_message_initiation(),
+      token, std::ref(socket), message);
+}
+
+//------------------------------------------------------------------------------
+
+void test_callback()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using a lambda as a callback.
+  async_write_message(socket, "",
+      [](const std::error_code& error)
+      {
+        if (!error)
+        {
+          std::cout << "Message sent\n";
+        }
+        else
+        {
+          std::cout << "Error: " << error.message() << "\n";
+        }
+      });
+
+  io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_future()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using the use_future completion token.
+  // This token causes the operation's initiating function to return a future,
+  // which may be used to synchronously wait for the result of the operation.
+  std::future<void> f = async_write_message(
+      socket, "", asio::use_future);
+
+  io_context.run();
+
+  try
+  {
+    // Get the result of the operation.
+    f.get();
+    std::cout << "Message sent\n";
+  }
+  catch (const std::exception& e)
+  {
+    std::cout << "Exception: " << e.what() << "\n";
+  }
+}
+
+//------------------------------------------------------------------------------
+
+int main()
+{
+  test_callback();
+  test_future();
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/composed_5.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/composed_5.cpp
new file mode 100644
index 0000000..a95e0ee
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/composed_5.cpp
@@ -0,0 +1,243 @@
+//
+// composed_5.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/use_future.hpp>
+#include <asio/write.hpp>
+#include <functional>
+#include <iostream>
+#include <memory>
+#include <sstream>
+#include <string>
+#include <type_traits>
+#include <utility>
+
+using asio::ip::tcp;
+
+// NOTE: This example requires the new asio::async_initiate function. For
+// an example that works with the Networking TS style of completion tokens,
+// please see an older version of asio.
+
+//------------------------------------------------------------------------------
+
+// This composed operation automatically serialises a message, using its I/O
+// streams insertion operator, before sending it on the socket. To do this, it
+// must allocate a buffer for the encoded message and ensure this buffer's
+// validity until the underlying async_write operation completes.
+
+// In addition to determining the mechanism by which an asynchronous operation
+// delivers its result, a completion token also determines the time when the
+// operation commences. For example, when the completion token is a simple
+// callback the operation commences before the initiating function returns.
+// However, if the completion token's delivery mechanism uses a future, we
+// might instead want to defer initiation of the operation until the returned
+// future object is waited upon.
+//
+// To enable this, when implementing an asynchronous operation we must package
+// the initiation step as a function object.
+struct async_write_message_initiation
+{
+  // The initiation function object's call operator is passed the concrete
+  // completion handler produced by the completion token. This completion
+  // handler matches the asynchronous operation's completion handler signature,
+  // which in this example is:
+  //
+  //   void(std::error_code error)
+  //
+  // The initiation function object also receives any additional arguments
+  // required to start the operation. (Note: We could have instead passed these
+  // arguments as members in the initiaton function object. However, we should
+  // prefer to propagate them as function call arguments as this allows the
+  // completion token to optimise how they are passed. For example, a lazy
+  // future which defers initiation would need to make a decay-copy of the
+  // arguments, but when using a simple callback the arguments can be trivially
+  // forwarded straight through.)
+  template <typename CompletionHandler>
+  void operator()(CompletionHandler&& completion_handler,
+      tcp::socket& socket, std::unique_ptr<std::string> encoded_message) const
+  {
+    // In this example, the composed operation's intermediate completion
+    // handler is implemented as a hand-crafted function object, rather than
+    // using a lambda or std::bind.
+    struct intermediate_completion_handler
+    {
+      // The intermediate completion handler holds a reference to the socket so
+      // that it can obtain the I/O executor (see get_executor below).
+      tcp::socket& socket_;
+
+      // The allocated buffer for the encoded message. The std::unique_ptr
+      // smart pointer is move-only, and as a consequence our intermediate
+      // completion handler is also move-only.
+      std::unique_ptr<std::string> encoded_message_;
+
+      // The user-supplied completion handler.
+      typename std::decay<CompletionHandler>::type handler_;
+
+      // The function call operator matches the completion signature of the
+      // async_write operation.
+      void operator()(const std::error_code& error, std::size_t /*n*/)
+      {
+        // Deallocate the encoded message before calling the user-supplied
+        // completion handler.
+        encoded_message_.reset();
+
+        // Call the user-supplied handler with the result of the operation.
+        // The arguments must match the completion signature of our composed
+        // operation.
+        handler_(error);
+      }
+
+      // It is essential to the correctness of our composed operation that we
+      // preserve the executor of the user-supplied completion handler. With a
+      // hand-crafted function object we can do this by defining a nested type
+      // executor_type and member function get_executor. These obtain the
+      // completion handler's associated executor, and default to the I/O
+      // executor - in this case the executor of the socket - if the completion
+      // handler does not have its own.
+      using executor_type = asio::associated_executor_t<
+          typename std::decay<CompletionHandler>::type,
+          tcp::socket::executor_type>;
+
+      executor_type get_executor() const noexcept
+      {
+        return asio::get_associated_executor(
+            handler_, socket_.get_executor());
+      }
+
+      // Although not necessary for correctness, we may also preserve the
+      // allocator of the user-supplied completion handler. This is achieved by
+      // defining a nested type allocator_type and member function
+      // get_allocator. These obtain the completion handler's associated
+      // allocator, and default to std::allocator<void> if the completion
+      // handler does not have its own.
+      using allocator_type = asio::associated_allocator_t<
+          typename std::decay<CompletionHandler>::type,
+          std::allocator<void>>;
+
+      allocator_type get_allocator() const noexcept
+      {
+        return asio::get_associated_allocator(
+            handler_, std::allocator<void>{});
+      }
+    };
+
+    // Initiate the underlying async_write operation using our intermediate
+    // completion handler.
+    auto encoded_message_buffer = asio::buffer(*encoded_message);
+    asio::async_write(socket, encoded_message_buffer,
+        intermediate_completion_handler{socket, std::move(encoded_message),
+          std::forward<CompletionHandler>(completion_handler)});
+  }
+};
+
+template <typename T, typename CompletionToken>
+auto async_write_message(tcp::socket& socket,
+    const T& message, CompletionToken&& token)
+  // The return type of the initiating function is deduced from the combination
+  // of CompletionToken type and the completion handler's signature. When the
+  // completion token is a simple callback, the return type is always void.
+  // In this example, when the completion token is asio::yield_context
+  // (used for stackful coroutines) the return type would be also be void, as
+  // there is no non-error argument to the completion handler. When the
+  // completion token is asio::use_future it would be std::future<void>.
+  -> typename asio::async_result<
+    typename std::decay<CompletionToken>::type,
+    void(std::error_code)>::return_type
+{
+  // Encode the message and copy it into an allocated buffer. The buffer will
+  // be maintained for the lifetime of the asynchronous operation.
+  std::ostringstream os;
+  os << message;
+  std::unique_ptr<std::string> encoded_message(new std::string(os.str()));
+
+  // The asio::async_initiate function takes:
+  //
+  // - our initiation function object,
+  // - the completion token,
+  // - the completion handler signature, and
+  // - any additional arguments we need to initiate the operation.
+  //
+  // It then asks the completion token to create a completion handler (i.e. a
+  // callback) with the specified signature, and invoke the initiation function
+  // object with this completion handler as well as the additional arguments.
+  // The return value of async_initiate is the result of our operation's
+  // initiating function.
+  //
+  // Note that we wrap non-const reference arguments in std::reference_wrapper
+  // to prevent incorrect decay-copies of these objects.
+  return asio::async_initiate<
+    CompletionToken, void(std::error_code)>(
+      async_write_message_initiation(), token,
+      std::ref(socket), std::move(encoded_message));
+}
+
+//------------------------------------------------------------------------------
+
+void test_callback()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using a lambda as a callback.
+  async_write_message(socket, 123456,
+      [](const std::error_code& error)
+      {
+        if (!error)
+        {
+          std::cout << "Message sent\n";
+        }
+        else
+        {
+          std::cout << "Error: " << error.message() << "\n";
+        }
+      });
+
+  io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_future()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using the use_future completion token.
+  // This token causes the operation's initiating function to return a future,
+  // which may be used to synchronously wait for the result of the operation.
+  std::future<void> f = async_write_message(
+      socket, 654.321, asio::use_future);
+
+  io_context.run();
+
+  try
+  {
+    // Get the result of the operation.
+    f.get();
+    std::cout << "Message sent\n";
+  }
+  catch (const std::exception& e)
+  {
+    std::cout << "Exception: " << e.what() << "\n";
+  }
+}
+
+//------------------------------------------------------------------------------
+
+int main()
+{
+  test_callback();
+  test_future();
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/composed_6.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/composed_6.cpp
new file mode 100644
index 0000000..846c025
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/composed_6.cpp
@@ -0,0 +1,302 @@
+//
+// composed_6.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/executor_work_guard.hpp>
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/steady_timer.hpp>
+#include <asio/use_future.hpp>
+#include <asio/write.hpp>
+#include <functional>
+#include <iostream>
+#include <memory>
+#include <sstream>
+#include <string>
+#include <type_traits>
+#include <utility>
+
+using asio::ip::tcp;
+
+// NOTE: This example requires the new asio::async_initiate function. For
+// an example that works with the Networking TS style of completion tokens,
+// please see an older version of asio.
+
+//------------------------------------------------------------------------------
+
+// This composed operation shows composition of multiple underlying operations.
+// It automatically serialises a message, using its I/O streams insertion
+// operator, before sending it N times on the socket. To do this, it must
+// allocate a buffer for the encoded message and ensure this buffer's validity
+// until all underlying async_write operation complete. A one second delay is
+// inserted prior to each write operation, using a steady_timer.
+
+// In addition to determining the mechanism by which an asynchronous operation
+// delivers its result, a completion token also determines the time when the
+// operation commences. For example, when the completion token is a simple
+// callback the operation commences before the initiating function returns.
+// However, if the completion token's delivery mechanism uses a future, we
+// might instead want to defer initiation of the operation until the returned
+// future object is waited upon.
+//
+// To enable this, when implementing an asynchronous operation we must package
+// the initiation step as a function object.
+struct async_write_message_initiation
+{
+  // The initiation function object's call operator is passed the concrete
+  // completion handler produced by the completion token. This completion
+  // handler matches the asynchronous operation's completion handler signature,
+  // which in this example is:
+  //
+  //   void(std::error_code error)
+  //
+  // The initiation function object also receives any additional arguments
+  // required to start the operation. (Note: We could have instead passed these
+  // arguments as members in the initiaton function object. However, we should
+  // prefer to propagate them as function call arguments as this allows the
+  // completion token to optimise how they are passed. For example, a lazy
+  // future which defers initiation would need to make a decay-copy of the
+  // arguments, but when using a simple callback the arguments can be trivially
+  // forwarded straight through.)
+  template <typename CompletionHandler>
+  void operator()(CompletionHandler&& completion_handler, tcp::socket& socket,
+      std::unique_ptr<std::string> encoded_message, std::size_t repeat_count,
+      std::unique_ptr<asio::steady_timer> delay_timer) const
+  {
+    // In this example, the composed operation's intermediate completion
+    // handler is implemented as a hand-crafted function object.
+    struct intermediate_completion_handler
+    {
+      // The intermediate completion handler holds a reference to the socket as
+      // it is used for multiple async_write operations, as well as for
+      // obtaining the I/O executor (see get_executor below).
+      tcp::socket& socket_;
+
+      // The allocated buffer for the encoded message. The std::unique_ptr
+      // smart pointer is move-only, and as a consequence our intermediate
+      // completion handler is also move-only.
+      std::unique_ptr<std::string> encoded_message_;
+
+      // The repeat count remaining.
+      std::size_t repeat_count_;
+
+      // A steady timer used for introducing a delay.
+      std::unique_ptr<asio::steady_timer> delay_timer_;
+
+      // To manage the cycle between the multiple underlying asychronous
+      // operations, our intermediate completion handler is implemented as a
+      // state machine.
+      enum { starting, waiting, writing } state_;
+
+      // As our composed operation performs multiple underlying I/O operations,
+      // we should maintain a work object against the I/O executor. This tells
+      // the I/O executor that there is still more work to come in the future.
+      asio::executor_work_guard<tcp::socket::executor_type> io_work_;
+
+      // The user-supplied completion handler, called once only on completion
+      // of the entire composed operation.
+      typename std::decay<CompletionHandler>::type handler_;
+
+      // By having a default value for the second argument, this function call
+      // operator matches the completion signature of both the async_write and
+      // steady_timer::async_wait operations.
+      void operator()(const std::error_code& error, std::size_t = 0)
+      {
+        if (!error)
+        {
+          switch (state_)
+          {
+          case starting:
+          case writing:
+            if (repeat_count_ > 0)
+            {
+              --repeat_count_;
+              state_ = waiting;
+              delay_timer_->expires_after(std::chrono::seconds(1));
+              delay_timer_->async_wait(std::move(*this));
+              return; // Composed operation not yet complete.
+            }
+            break; // Composed operation complete, continue below.
+          case waiting:
+            state_ = writing;
+            asio::async_write(socket_,
+                asio::buffer(*encoded_message_), std::move(*this));
+            return; // Composed operation not yet complete.
+          }
+        }
+
+        // This point is reached only on completion of the entire composed
+        // operation.
+
+        // We no longer have any future work coming for the I/O executor.
+        io_work_.reset();
+
+        // Deallocate the encoded message before calling the user-supplied
+        // completion handler.
+        encoded_message_.reset();
+
+        // Call the user-supplied handler with the result of the operation.
+        handler_(error);
+      }
+
+      // It is essential to the correctness of our composed operation that we
+      // preserve the executor of the user-supplied completion handler. With a
+      // hand-crafted function object we can do this by defining a nested type
+      // executor_type and member function get_executor. These obtain the
+      // completion handler's associated executor, and default to the I/O
+      // executor - in this case the executor of the socket - if the completion
+      // handler does not have its own.
+      using executor_type = asio::associated_executor_t<
+          typename std::decay<CompletionHandler>::type,
+          tcp::socket::executor_type>;
+
+      executor_type get_executor() const noexcept
+      {
+        return asio::get_associated_executor(
+            handler_, socket_.get_executor());
+      }
+
+      // Although not necessary for correctness, we may also preserve the
+      // allocator of the user-supplied completion handler. This is achieved by
+      // defining a nested type allocator_type and member function
+      // get_allocator. These obtain the completion handler's associated
+      // allocator, and default to std::allocator<void> if the completion
+      // handler does not have its own.
+      using allocator_type = asio::associated_allocator_t<
+          typename std::decay<CompletionHandler>::type,
+          std::allocator<void>>;
+
+      allocator_type get_allocator() const noexcept
+      {
+        return asio::get_associated_allocator(
+            handler_, std::allocator<void>{});
+      }
+    };
+
+    // Initiate the underlying async_write operation using our intermediate
+    // completion handler.
+    auto encoded_message_buffer = asio::buffer(*encoded_message);
+    asio::async_write(socket, encoded_message_buffer,
+        intermediate_completion_handler{
+          socket, std::move(encoded_message),
+          repeat_count, std::move(delay_timer),
+          intermediate_completion_handler::starting,
+          asio::make_work_guard(socket.get_executor()),
+          std::forward<CompletionHandler>(completion_handler)});
+  }
+};
+
+template <typename T, typename CompletionToken>
+auto async_write_messages(tcp::socket& socket,
+    const T& message, std::size_t repeat_count,
+    CompletionToken&& token)
+  // The return type of the initiating function is deduced from the combination
+  // of CompletionToken type and the completion handler's signature. When the
+  // completion token is a simple callback, the return type is always void.
+  // In this example, when the completion token is asio::yield_context
+  // (used for stackful coroutines) the return type would be also be void, as
+  // there is no non-error argument to the completion handler. When the
+  // completion token is asio::use_future it would be std::future<void>.
+  -> typename asio::async_result<
+    typename std::decay<CompletionToken>::type,
+    void(std::error_code)>::return_type
+{
+  // Encode the message and copy it into an allocated buffer. The buffer will
+  // be maintained for the lifetime of the composed asynchronous operation.
+  std::ostringstream os;
+  os << message;
+  std::unique_ptr<std::string> encoded_message(new std::string(os.str()));
+
+  // Create a steady_timer to be used for the delay between messages.
+  std::unique_ptr<asio::steady_timer> delay_timer(
+      new asio::steady_timer(socket.get_executor()));
+
+  // The asio::async_initiate function takes:
+  //
+  // - our initiation function object,
+  // - the completion token,
+  // - the completion handler signature, and
+  // - any additional arguments we need to initiate the operation.
+  //
+  // It then asks the completion token to create a completion handler (i.e. a
+  // callback) with the specified signature, and invoke the initiation function
+  // object with this completion handler as well as the additional arguments.
+  // The return value of async_initiate is the result of our operation's
+  // initiating function.
+  //
+  // Note that we wrap non-const reference arguments in std::reference_wrapper
+  // to prevent incorrect decay-copies of these objects.
+  return asio::async_initiate<
+    CompletionToken, void(std::error_code)>(
+      async_write_message_initiation(), token, std::ref(socket),
+      std::move(encoded_message), repeat_count, std::move(delay_timer));
+}
+
+//------------------------------------------------------------------------------
+
+void test_callback()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using a lambda as a callback.
+  async_write_messages(socket, "Testing callback\r\n", 5,
+      [](const std::error_code& error)
+      {
+        if (!error)
+        {
+          std::cout << "Messages sent\n";
+        }
+        else
+        {
+          std::cout << "Error: " << error.message() << "\n";
+        }
+      });
+
+  io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_future()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using the use_future completion token.
+  // This token causes the operation's initiating function to return a future,
+  // which may be used to synchronously wait for the result of the operation.
+  std::future<void> f = async_write_messages(
+      socket, "Testing future\r\n", 5, asio::use_future);
+
+  io_context.run();
+
+  try
+  {
+    // Get the result of the operation.
+    f.get();
+    std::cout << "Messages sent\n";
+  }
+  catch (const std::exception& e)
+  {
+    std::cout << "Error: " << e.what() << "\n";
+  }
+}
+
+//------------------------------------------------------------------------------
+
+int main()
+{
+  test_callback();
+  test_future();
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/composed_7.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/composed_7.cpp
new file mode 100644
index 0000000..086510c
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/composed_7.cpp
@@ -0,0 +1,222 @@
+//
+// composed_7.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/compose.hpp>
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/steady_timer.hpp>
+#include <asio/use_future.hpp>
+#include <asio/write.hpp>
+#include <functional>
+#include <iostream>
+#include <memory>
+#include <sstream>
+#include <string>
+#include <type_traits>
+#include <utility>
+
+using asio::ip::tcp;
+
+// NOTE: This example requires the new asio::async_compose function. For
+// an example that works with the Networking TS style of completion tokens,
+// please see an older version of asio.
+
+//------------------------------------------------------------------------------
+
+// This composed operation shows composition of multiple underlying operations.
+// It automatically serialises a message, using its I/O streams insertion
+// operator, before sending it N times on the socket. To do this, it must
+// allocate a buffer for the encoded message and ensure this buffer's validity
+// until all underlying async_write operation complete. A one second delay is
+// inserted prior to each write operation, using a steady_timer.
+
+// In this example, the composed operation's logic is implemented as a state
+// machine within a hand-crafted function object.
+struct async_write_messages_implementation
+{
+  // The implementation holds a reference to the socket as it is used for
+  // multiple async_write operations.
+  tcp::socket& socket_;
+
+  // The allocated buffer for the encoded message. The std::unique_ptr smart
+  // pointer is move-only, and as a consequence our implementation is also
+  // move-only.
+  std::unique_ptr<std::string> encoded_message_;
+
+  // The repeat count remaining.
+  std::size_t repeat_count_;
+
+  // A steady timer used for introducing a delay.
+  std::unique_ptr<asio::steady_timer> delay_timer_;
+
+  // To manage the cycle between the multiple underlying asychronous
+  // operations, our implementation is a state machine.
+  enum { starting, waiting, writing } state_;
+
+  // The first argument to our function object's call operator is a reference
+  // to the enclosing intermediate completion handler. This intermediate
+  // completion handler is provided for us by the asio::async_compose
+  // function, and takes care of all the details required to implement a
+  // conforming asynchronous operation. When calling an underlying asynchronous
+  // operation, we pass it this enclosing intermediate completion handler
+  // as the completion token.
+  //
+  // All arguments after the first must be defaulted to allow the state machine
+  // to be started, as well as to allow the completion handler to match the
+  // completion signature of both the async_write and steady_timer::async_wait
+  // operations.
+  template <typename Self>
+  void operator()(Self& self,
+      const std::error_code& error = std::error_code(),
+      std::size_t = 0)
+  {
+    if (!error)
+    {
+      switch (state_)
+      {
+      case starting:
+      case writing:
+        if (repeat_count_ > 0)
+        {
+          --repeat_count_;
+          state_ = waiting;
+          delay_timer_->expires_after(std::chrono::seconds(1));
+          delay_timer_->async_wait(std::move(self));
+          return; // Composed operation not yet complete.
+        }
+        break; // Composed operation complete, continue below.
+      case waiting:
+        state_ = writing;
+        asio::async_write(socket_,
+            asio::buffer(*encoded_message_), std::move(self));
+        return; // Composed operation not yet complete.
+      }
+    }
+
+    // This point is reached only on completion of the entire composed
+    // operation.
+
+    // Deallocate the encoded message and delay timer before calling the
+    // user-supplied completion handler.
+    encoded_message_.reset();
+    delay_timer_.reset();
+
+    // Call the user-supplied handler with the result of the operation.
+    self.complete(error);
+  }
+};
+
+template <typename T, typename CompletionToken>
+auto async_write_messages(tcp::socket& socket,
+    const T& message, std::size_t repeat_count,
+    CompletionToken&& token)
+  // The return type of the initiating function is deduced from the combination
+  // of CompletionToken type and the completion handler's signature. When the
+  // completion token is a simple callback, the return type is always void.
+  // In this example, when the completion token is asio::yield_context
+  // (used for stackful coroutines) the return type would be also be void, as
+  // there is no non-error argument to the completion handler. When the
+  // completion token is asio::use_future it would be std::future<void>.
+  -> typename asio::async_result<
+    typename std::decay<CompletionToken>::type,
+    void(std::error_code)>::return_type
+{
+  // Encode the message and copy it into an allocated buffer. The buffer will
+  // be maintained for the lifetime of the composed asynchronous operation.
+  std::ostringstream os;
+  os << message;
+  std::unique_ptr<std::string> encoded_message(new std::string(os.str()));
+
+  // Create a steady_timer to be used for the delay between messages.
+  std::unique_ptr<asio::steady_timer> delay_timer(
+      new asio::steady_timer(socket.get_executor()));
+
+  // The asio::async_compose function takes:
+  //
+  // - our asynchronous operation implementation,
+  // - the completion token,
+  // - the completion handler signature, and
+  // - any I/O objects (or executors) used by the operation
+  //
+  // It then wraps our implementation in an intermediate completion handler
+  // that meets the requirements of a conforming asynchronous operation. This
+  // includes tracking outstanding work against the I/O executors associated
+  // with the operation (in this example, this is the socket's executor).
+  return asio::async_compose<
+    CompletionToken, void(std::error_code)>(
+      async_write_messages_implementation{
+        socket, std::move(encoded_message),
+        repeat_count, std::move(delay_timer),
+        async_write_messages_implementation::starting},
+      token, socket);
+}
+
+//------------------------------------------------------------------------------
+
+void test_callback()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using a lambda as a callback.
+  async_write_messages(socket, "Testing callback\r\n", 5,
+      [](const std::error_code& error)
+      {
+        if (!error)
+        {
+          std::cout << "Messages sent\n";
+        }
+        else
+        {
+          std::cout << "Error: " << error.message() << "\n";
+        }
+      });
+
+  io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_future()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using the use_future completion token.
+  // This token causes the operation's initiating function to return a future,
+  // which may be used to synchronously wait for the result of the operation.
+  std::future<void> f = async_write_messages(
+      socket, "Testing future\r\n", 5, asio::use_future);
+
+  io_context.run();
+
+  try
+  {
+    // Get the result of the operation.
+    f.get();
+    std::cout << "Messages sent\n";
+  }
+  catch (const std::exception& e)
+  {
+    std::cout << "Error: " << e.what() << "\n";
+  }
+}
+
+//------------------------------------------------------------------------------
+
+int main()
+{
+  test_callback();
+  test_future();
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/composed_8.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/composed_8.cpp
new file mode 100644
index 0000000..0133f34
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/operations/composed_8.cpp
@@ -0,0 +1,217 @@
+//
+// composed_8.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/compose.hpp>
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/steady_timer.hpp>
+#include <asio/use_future.hpp>
+#include <asio/write.hpp>
+#include <functional>
+#include <iostream>
+#include <memory>
+#include <sstream>
+#include <string>
+#include <type_traits>
+#include <utility>
+
+using asio::ip::tcp;
+
+// NOTE: This example requires the new asio::async_compose function. For
+// an example that works with the Networking TS style of completion tokens,
+// please see an older version of asio.
+
+//------------------------------------------------------------------------------
+
+// This composed operation shows composition of multiple underlying operations,
+// using asio's stackless coroutines support to express the flow of control. It
+// automatically serialises a message, using its I/O streams insertion
+// operator, before sending it N times on the socket. To do this, it must
+// allocate a buffer for the encoded message and ensure this buffer's validity
+// until all underlying async_write operation complete. A one second delay is
+// inserted prior to each write operation, using a steady_timer.
+
+#include <asio/yield.hpp>
+
+// In this example, the composed operation's logic is implemented as a state
+// machine within a hand-crafted function object.
+struct async_write_messages_implementation
+{
+  // The implementation holds a reference to the socket as it is used for
+  // multiple async_write operations.
+  tcp::socket& socket_;
+
+  // The allocated buffer for the encoded message. The std::unique_ptr smart
+  // pointer is move-only, and as a consequence our implementation is also
+  // move-only.
+  std::unique_ptr<std::string> encoded_message_;
+
+  // The repeat count remaining.
+  std::size_t repeat_count_;
+
+  // A steady timer used for introducing a delay.
+  std::unique_ptr<asio::steady_timer> delay_timer_;
+
+  // The coroutine state.
+  asio::coroutine coro_;
+
+  // The first argument to our function object's call operator is a reference
+  // to the enclosing intermediate completion handler. This intermediate
+  // completion handler is provided for us by the asio::async_compose
+  // function, and takes care of all the details required to implement a
+  // conforming asynchronous operation. When calling an underlying asynchronous
+  // operation, we pass it this enclosing intermediate completion handler
+  // as the completion token.
+  //
+  // All arguments after the first must be defaulted to allow the state machine
+  // to be started, as well as to allow the completion handler to match the
+  // completion signature of both the async_write and steady_timer::async_wait
+  // operations.
+  template <typename Self>
+  void operator()(Self& self,
+      const std::error_code& error = std::error_code(),
+      std::size_t = 0)
+  {
+    reenter (coro_)
+    {
+      while (repeat_count_ > 0)
+      {
+        --repeat_count_;
+
+        delay_timer_->expires_after(std::chrono::seconds(1));
+        yield delay_timer_->async_wait(std::move(self));
+        if (error)
+          break;
+
+        yield asio::async_write(socket_,
+            asio::buffer(*encoded_message_), std::move(self));
+        if (error)
+          break;
+      }
+
+      // Deallocate the encoded message and delay timer before calling the
+      // user-supplied completion handler.
+      encoded_message_.reset();
+      delay_timer_.reset();
+
+      // Call the user-supplied handler with the result of the operation.
+      self.complete(error);
+    }
+  }
+};
+
+#include <asio/unyield.hpp>
+
+template <typename T, typename CompletionToken>
+auto async_write_messages(tcp::socket& socket,
+    const T& message, std::size_t repeat_count,
+    CompletionToken&& token)
+  // The return type of the initiating function is deduced from the combination
+  // of CompletionToken type and the completion handler's signature. When the
+  // completion token is a simple callback, the return type is always void.
+  // In this example, when the completion token is asio::yield_context
+  // (used for stackful coroutines) the return type would be also be void, as
+  // there is no non-error argument to the completion handler. When the
+  // completion token is asio::use_future it would be std::future<void>.
+  -> typename asio::async_result<
+    typename std::decay<CompletionToken>::type,
+    void(std::error_code)>::return_type
+{
+  // Encode the message and copy it into an allocated buffer. The buffer will
+  // be maintained for the lifetime of the composed asynchronous operation.
+  std::ostringstream os;
+  os << message;
+  std::unique_ptr<std::string> encoded_message(new std::string(os.str()));
+
+  // Create a steady_timer to be used for the delay between messages.
+  std::unique_ptr<asio::steady_timer> delay_timer(
+      new asio::steady_timer(socket.get_executor()));
+
+  // The asio::async_compose function takes:
+  //
+  // - our asynchronous operation implementation,
+  // - the completion token,
+  // - the completion handler signature, and
+  // - any I/O objects (or executors) used by the operation
+  //
+  // It then wraps our implementation in an intermediate completion handler
+  // that meets the requirements of a conforming asynchronous operation. This
+  // includes tracking outstanding work against the I/O executors associated
+  // with the operation (in this example, this is the socket's executor).
+  return asio::async_compose<
+    CompletionToken, void(std::error_code)>(
+      async_write_messages_implementation{socket,
+        std::move(encoded_message), repeat_count,
+        std::move(delay_timer), asio::coroutine()},
+      token, socket);
+}
+
+//------------------------------------------------------------------------------
+
+void test_callback()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using a lambda as a callback.
+  async_write_messages(socket, "Testing callback\r\n", 5,
+      [](const std::error_code& error)
+      {
+        if (!error)
+        {
+          std::cout << "Messages sent\n";
+        }
+        else
+        {
+          std::cout << "Error: " << error.message() << "\n";
+        }
+      });
+
+  io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_future()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using the use_future completion token.
+  // This token causes the operation's initiating function to return a future,
+  // which may be used to synchronously wait for the result of the operation.
+  std::future<void> f = async_write_messages(
+      socket, "Testing future\r\n", 5, asio::use_future);
+
+  io_context.run();
+
+  try
+  {
+    // Get the result of the operation.
+    f.get();
+    std::cout << "Messages sent\n";
+  }
+  catch (const std::exception& e)
+  {
+    std::cout << "Error: " << e.what() << "\n";
+  }
+}
+
+//------------------------------------------------------------------------------
+
+int main()
+{
+  test_callback();
+  test_future();
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/socks4/.gitignore b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/socks4/.gitignore
new file mode 100644
index 0000000..e11e0de
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/socks4/.gitignore
@@ -0,0 +1,10 @@
+.deps
+.dirstamp
+*.o
+*.obj
+*.exe
+sync_client
+*.ilk
+*.manifest
+*.pdb
+*.tds
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/socks4/socks4.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/socks4/socks4.hpp
new file mode 100644
index 0000000..a039c07
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/socks4/socks4.hpp
@@ -0,0 +1,143 @@
+//
+// socks4.hpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef SOCKS4_HPP
+#define SOCKS4_HPP
+
+#include <array>
+#include <string>
+#include <asio/buffer.hpp>
+#include <asio/ip/tcp.hpp>
+
+namespace socks4 {
+
+const unsigned char version = 0x04;
+
+class request
+{
+public:
+  enum command_type
+  {
+    connect = 0x01,
+    bind = 0x02
+  };
+
+  request(command_type cmd, const asio::ip::tcp::endpoint& endpoint,
+      const std::string& user_id)
+    : version_(version),
+      command_(cmd),
+      user_id_(user_id),
+      null_byte_(0)
+  {
+    // Only IPv4 is supported by the SOCKS 4 protocol.
+    if (endpoint.protocol() != asio::ip::tcp::v4())
+    {
+      throw asio::system_error(
+          asio::error::address_family_not_supported);
+    }
+
+    // Convert port number to network byte order.
+    unsigned short port = endpoint.port();
+    port_high_byte_ = (port >> 8) & 0xff;
+    port_low_byte_ = port & 0xff;
+
+    // Save IP address in network byte order.
+    address_ = endpoint.address().to_v4().to_bytes();
+  }
+
+  std::array<asio::const_buffer, 7> buffers() const
+  {
+    return
+    {
+      {
+        asio::buffer(&version_, 1),
+        asio::buffer(&command_, 1),
+        asio::buffer(&port_high_byte_, 1),
+        asio::buffer(&port_low_byte_, 1),
+        asio::buffer(address_),
+        asio::buffer(user_id_),
+        asio::buffer(&null_byte_, 1)
+      }
+    };
+  }
+
+private:
+  unsigned char version_;
+  unsigned char command_;
+  unsigned char port_high_byte_;
+  unsigned char port_low_byte_;
+  asio::ip::address_v4::bytes_type address_;
+  std::string user_id_;
+  unsigned char null_byte_;
+};
+
+class reply
+{
+public:
+  enum status_type
+  {
+    request_granted = 0x5a,
+    request_failed = 0x5b,
+    request_failed_no_identd = 0x5c,
+    request_failed_bad_user_id = 0x5d
+  };
+
+  reply()
+    : null_byte_(0),
+      status_()
+  {
+  }
+
+  std::array<asio::mutable_buffer, 5> buffers()
+  {
+    return
+    {
+      {
+        asio::buffer(&null_byte_, 1),
+        asio::buffer(&status_, 1),
+        asio::buffer(&port_high_byte_, 1),
+        asio::buffer(&port_low_byte_, 1),
+        asio::buffer(address_)
+      }
+    };
+  }
+
+  bool success() const
+  {
+    return null_byte_ == 0 && status_ == request_granted;
+  }
+
+  unsigned char status() const
+  {
+    return status_;
+  }
+
+  asio::ip::tcp::endpoint endpoint() const
+  {
+    unsigned short port = port_high_byte_;
+    port = (port << 8) & 0xff00;
+    port = port | port_low_byte_;
+
+    asio::ip::address_v4 address(address_);
+
+    return asio::ip::tcp::endpoint(address, port);
+  }
+
+private:
+  unsigned char null_byte_;
+  unsigned char status_;
+  unsigned char port_high_byte_;
+  unsigned char port_low_byte_;
+  asio::ip::address_v4::bytes_type address_;
+};
+
+} // namespace socks4
+
+#endif // SOCKS4_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/socks4/sync_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/socks4/sync_client.cpp
new file mode 100644
index 0000000..dac8073
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/socks4/sync_client.cpp
@@ -0,0 +1,93 @@
+//
+// sync_client.cpp
+// ~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <array>
+#include <iostream>
+#include <iomanip>
+#include <ostream>
+#include <string>
+#include <asio.hpp>
+#include "socks4.hpp"
+
+using asio::ip::tcp;
+
+int main(int argc, char* argv[])
+{
+  try
+  {
+    if (argc != 4)
+    {
+      std::cout << "Usage: sync_client <socks4server> <socks4port> <user>\n";
+      std::cout << "Examples:\n";
+      std::cout << "  sync_client 127.0.0.1 1080 chris\n";
+      std::cout << "  sync_client localhost socks chris\n";
+      return 1;
+    }
+
+    asio::io_context io_context;
+
+    // Get a list of endpoints corresponding to the SOCKS 4 server name.
+    tcp::resolver resolver(io_context);
+    auto endpoints = resolver.resolve(argv[1], argv[2]);
+
+    // Try each endpoint until we successfully establish a connection to the
+    // SOCKS 4 server.
+    tcp::socket socket(io_context);
+    asio::connect(socket, endpoints);
+
+    // Get an endpoint for the Boost website. This will be passed to the SOCKS
+    // 4 server. Explicitly specify IPv4 since SOCKS 4 does not support IPv6.
+    auto http_endpoint = *resolver.resolve(tcp::v4(), "www.boost.org", "http");
+
+    // Send the request to the SOCKS 4 server.
+    socks4::request socks_request(
+        socks4::request::connect, http_endpoint, argv[3]);
+    asio::write(socket, socks_request.buffers());
+
+    // Receive a response from the SOCKS 4 server.
+    socks4::reply socks_reply;
+    asio::read(socket, socks_reply.buffers());
+
+    // Check whether we successfully negotiated with the SOCKS 4 server.
+    if (!socks_reply.success())
+    {
+      std::cout << "Connection failed.\n";
+      std::cout << "status = 0x" << std::hex << socks_reply.status();
+      return 1;
+    }
+
+    // Form the HTTP request. We specify the "Connection: close" header so that
+    // the server will close the socket after transmitting the response. This
+    // will allow us to treat all data up until the EOF as the response.
+    std::string request =
+      "GET / HTTP/1.0\r\n"
+      "Host: www.boost.org\r\n"
+      "Accept: */*\r\n"
+      "Connection: close\r\n\r\n";
+
+    // Send the HTTP request.
+    asio::write(socket, asio::buffer(request));
+
+    // Read until EOF, writing data to output as we go.
+    std::array<char, 512> response;
+    std::error_code error;
+    while (std::size_t s = socket.read_some(
+          asio::buffer(response), error))
+      std::cout.write(response.data(), s);
+    if (error != asio::error::eof)
+      throw std::system_error(error);
+  }
+  catch (std::exception& e)
+  {
+    std::cout << "Exception: " << e.what() << "\n";
+  }
+
+  return 0;
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/spawn/echo_server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/spawn/echo_server.cpp
index de421e0..4dafd92 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/spawn/echo_server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/spawn/echo_server.cpp
@@ -2,7 +2,7 @@
 // echo_server.cpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -21,10 +21,10 @@ using asio::ip::tcp;
 class session : public std::enable_shared_from_this<session>
 {
 public:
-  explicit session(tcp::socket socket)
+  explicit session(asio::io_context& io_context, tcp::socket socket)
     : socket_(std::move(socket)),
-      timer_(socket_.get_io_context()),
-      strand_(socket_.get_io_context())
+      timer_(io_context),
+      strand_(io_context.get_executor())
   {
   }
 
@@ -67,7 +67,7 @@ public:
 private:
   tcp::socket socket_;
   asio::steady_timer timer_;
-  asio::io_context::strand strand_;
+  asio::strand<asio::io_context::executor_type> strand_;
 };
 
 int main(int argc, char* argv[])
@@ -93,7 +93,10 @@ int main(int argc, char* argv[])
             asio::error_code ec;
             tcp::socket socket(io_context);
             acceptor.async_accept(socket, yield[ec]);
-            if (!ec) std::make_shared<session>(std::move(socket))->go();
+            if (!ec)
+            {
+              std::make_shared<session>(io_context, std::move(socket))->go();
+            }
           }
         });
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/spawn/parallel_grep.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/spawn/parallel_grep.cpp
index c246079..fcb2601 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/spawn/parallel_grep.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/spawn/parallel_grep.cpp
@@ -2,7 +2,7 @@
 // parallel_grep.cpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/ssl/.gitignore b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/ssl/.gitignore
new file mode 100644
index 0000000..a678112
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/ssl/.gitignore
@@ -0,0 +1,11 @@
+.deps
+.dirstamp
+*.o
+*.obj
+*.exe
+server
+client
+*.ilk
+*.manifest
+*.pdb
+*.tds
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/ssl/README b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/ssl/README
new file mode 100644
index 0000000..18e38fc
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/ssl/README
@@ -0,0 +1,8 @@
+The passphrase for both the CA and server private keys is "test".
+
+
+-------------------------------------------------------------------------------
+Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+
+Distributed under the Boost Software License, Version 1.0. (See accompanying
+file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/ssl/ca.pem b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/ssl/ca.pem
new file mode 100644
index 0000000..1ee5f2c
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/ssl/ca.pem
@@ -0,0 +1,49 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
+-----BEGIN RSA PRIVATE KEY-----
+MIIEpgIBAAKCAQEAxxEmhwd1Ux0tQn+nKlhBVJMLS3cgiCPCNrOsreQBqggy/M+Y
+MXERdZwPH6fLPyRD8Tfwiv95/YEI0ZyLmG7CR8xK4yhb2XY3iHHdAJwXjq1MMRnO
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++incezSHXYd5aVjg+IuntBBM0aptZxfJwDQ1n9/KKyaKt7IS88CCjovyJe4CLuDR
+NUpU2Wu2JwYaMxwyrogy/HMSlIyS4xDmtaOlmNY6gGNJgG5d1uVwFG9eE6vZazyM
+ksxl96Eqr2rWt5B+gZXrEydvCa6ZJdtZFZPS+QIDAQABAoIBAQCOma+SvPoDzvvU
+DiPOxqgOEMPfjHfGbm86xl0luBalGfiEd6WbjVanfGKtF4MWOUFec+chez+FJMEP
+fufVC0qrKiJfNVMOpYvEd2SMgkSx1VymM8me6WXVDYsSipn2+1cm228ZEYAR9Emj
+oqQ4loaGLlP/3RaJbhBF7ruMJvXaZZQ4fZy74Z4tyRaaE1B659ua7Rjne7eNhQE8
+cR7cQDkxsNNN3LTbfLRwEc/gcDXWgLe5JlR/K4ZrdKc3lyivm+Uew3ubKs+fgkyY
+kHmuI3RJGIjpnsZW0/So+pHm3b/fo6lmlhTXtNNd+tkkKn2K9ttbXT3Sc13Pc+4w
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+3c1cPIy8eS1QJbEFsQPK8fFSKWH7YkwEM/O0DesX+5hodaaYnkiiHXNujYLuQuAH
+lV87wfcyajsEDjFkj1L/i9TdAoGBAKYfRUQv8HqmdU+doHb+iEYCHb75UMpHzQtR
+YTwpxoo3V5Kdnz9lNeYwaF7rIY59ZgMunEYHumw5U6V625nW228/hF0lZOR6cUu+
+hu2WGHWKMvdDgMJ+IcpeA8WN4cUwcN+9gHZ/vUzg4CxOTSYLvLBpGnIkOXnvUGPC
+vaTgxTSRAoGBAOHcuZ9hcUrPuVI1HVkjQQLu5mLZ3tz6linEbe/RCdJMK8JrRX4w
+ubB7gFclMYGbLlDNAJVYkydJaCy/2NAI3rfsOda+VmDqGx6z4BbSGceHhomyU1Oo
+1H7YaXsuzDkzl23HRsyp0pKJpTdghZdbVsGF8vAB8ygK3ehM233neSln
+-----END RSA PRIVATE KEY-----
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/ssl/client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/ssl/client.cpp
new file mode 100644
index 0000000..a13c0d1
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/ssl/client.cpp
@@ -0,0 +1,165 @@
+//
+// client.cpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <cstdlib>
+#include <cstring>
+#include <functional>
+#include <iostream>
+#include "asio.hpp"
+#include "asio/ssl.hpp"
+
+using asio::ip::tcp;
+using std::placeholders::_1;
+using std::placeholders::_2;
+
+enum { max_length = 1024 };
+
+class client
+{
+public:
+  client(asio::io_context& io_context,
+      asio::ssl::context& context,
+      const tcp::resolver::results_type& endpoints)
+    : socket_(io_context, context)
+  {
+    socket_.set_verify_mode(asio::ssl::verify_peer);
+    socket_.set_verify_callback(
+        std::bind(&client::verify_certificate, this, _1, _2));
+
+    connect(endpoints);
+  }
+
+private:
+  bool verify_certificate(bool preverified,
+      asio::ssl::verify_context& ctx)
+  {
+    // The verify callback can be used to check whether the certificate that is
+    // being presented is valid for the peer. For example, RFC 2818 describes
+    // the steps involved in doing this for HTTPS. Consult the OpenSSL
+    // documentation for more details. Note that the callback is called once
+    // for each certificate in the certificate chain, starting from the root
+    // certificate authority.
+
+    // In this example we will simply print the certificate's subject name.
+    char subject_name[256];
+    X509* cert = X509_STORE_CTX_get_current_cert(ctx.native_handle());
+    X509_NAME_oneline(X509_get_subject_name(cert), subject_name, 256);
+    std::cout << "Verifying " << subject_name << "\n";
+
+    return preverified;
+  }
+
+  void connect(const tcp::resolver::results_type& endpoints)
+  {
+    asio::async_connect(socket_.lowest_layer(), endpoints,
+        [this](const std::error_code& error,
+          const tcp::endpoint& /*endpoint*/)
+        {
+          if (!error)
+          {
+            handshake();
+          }
+          else
+          {
+            std::cout << "Connect failed: " << error.message() << "\n";
+          }
+        });
+  }
+
+  void handshake()
+  {
+    socket_.async_handshake(asio::ssl::stream_base::client,
+        [this](const std::error_code& error)
+        {
+          if (!error)
+          {
+            send_request();
+          }
+          else
+          {
+            std::cout << "Handshake failed: " << error.message() << "\n";
+          }
+        });
+  }
+
+  void send_request()
+  {
+    std::cout << "Enter message: ";
+    std::cin.getline(request_, max_length);
+    size_t request_length = std::strlen(request_);
+
+    asio::async_write(socket_,
+        asio::buffer(request_, request_length),
+        [this](const std::error_code& error, std::size_t length)
+        {
+          if (!error)
+          {
+            receive_response(length);
+          }
+          else
+          {
+            std::cout << "Write failed: " << error.message() << "\n";
+          }
+        });
+  }
+
+  void receive_response(std::size_t length)
+  {
+    asio::async_read(socket_,
+        asio::buffer(reply_, length),
+        [this](const std::error_code& error, std::size_t length)
+        {
+          if (!error)
+          {
+            std::cout << "Reply: ";
+            std::cout.write(reply_, length);
+            std::cout << "\n";
+          }
+          else
+          {
+            std::cout << "Read failed: " << error.message() << "\n";
+          }
+        });
+  }
+
+  asio::ssl::stream<tcp::socket> socket_;
+  char request_[max_length];
+  char reply_[max_length];
+};
+
+int main(int argc, char* argv[])
+{
+  try
+  {
+    if (argc != 3)
+    {
+      std::cerr << "Usage: client <host> <port>\n";
+      return 1;
+    }
+
+    asio::io_context io_context;
+
+    tcp::resolver resolver(io_context);
+    auto endpoints = resolver.resolve(argv[1], argv[2]);
+
+    asio::ssl::context ctx(asio::ssl::context::sslv23);
+    ctx.load_verify_file("ca.pem");
+
+    client c(io_context, ctx, endpoints);
+
+    io_context.run();
+  }
+  catch (std::exception& e)
+  {
+    std::cerr << "Exception: " << e.what() << "\n";
+  }
+
+  return 0;
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/ssl/dh2048.pem b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/ssl/dh2048.pem
new file mode 100644
index 0000000..07250cc
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/ssl/dh2048.pem
@@ -0,0 +1,8 @@
+-----BEGIN DH PARAMETERS-----
+MIIBCAKCAQEAyNnxZSYc6J89mDNnqOH8bnwBiAJxcaUS3PkIEcwW8D9o2BlNq6EO
+XKMIbdfwPFZi80GMpNu3YP2A2B42sAHmb7w7ZA92QDv3JjqzR0QuS/CkMv4CEjha
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+2bOkQao6sAfb4UdGEUlwHUXZrAV51oM30wIBAg==
+-----END DH PARAMETERS-----
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/ssl/server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/ssl/server.cpp
new file mode 100644
index 0000000..4366f9f
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/ssl/server.cpp
@@ -0,0 +1,143 @@
+//
+// server.cpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <cstdlib>
+#include <functional>
+#include <iostream>
+#include "asio.hpp"
+#include "asio/ssl.hpp"
+
+using asio::ip::tcp;
+
+class session : public std::enable_shared_from_this<session>
+{
+public:
+  session(tcp::socket socket, asio::ssl::context& context)
+    : socket_(std::move(socket), context)
+  {
+  }
+
+  void start()
+  {
+    do_handshake();
+  }
+
+private:
+  void do_handshake()
+  {
+    auto self(shared_from_this());
+    socket_.async_handshake(asio::ssl::stream_base::server, 
+        [this, self](const std::error_code& error)
+        {
+          if (!error)
+          {
+            do_read();
+          }
+        });
+  }
+
+  void do_read()
+  {
+    auto self(shared_from_this());
+    socket_.async_read_some(asio::buffer(data_),
+        [this, self](const std::error_code& ec, std::size_t length)
+        {
+          if (!ec)
+          {
+            do_write(length);
+          }
+        });
+  }
+
+  void do_write(std::size_t length)
+  {
+    auto self(shared_from_this());
+    asio::async_write(socket_, asio::buffer(data_, length),
+        [this, self](const std::error_code& ec,
+          std::size_t /*length*/)
+        {
+          if (!ec)
+          {
+            do_read();
+          }
+        });
+  }
+
+  asio::ssl::stream<tcp::socket> socket_;
+  char data_[1024];
+};
+
+class server
+{
+public:
+  server(asio::io_context& io_context, unsigned short port)
+    : acceptor_(io_context, tcp::endpoint(tcp::v4(), port)),
+      context_(asio::ssl::context::sslv23)
+  {
+    context_.set_options(
+        asio::ssl::context::default_workarounds
+        | asio::ssl::context::no_sslv2
+        | asio::ssl::context::single_dh_use);
+    context_.set_password_callback(std::bind(&server::get_password, this));
+    context_.use_certificate_chain_file("server.pem");
+    context_.use_private_key_file("server.pem", asio::ssl::context::pem);
+    context_.use_tmp_dh_file("dh2048.pem");
+
+    do_accept();
+  }
+
+private:
+  std::string get_password() const
+  {
+    return "test";
+  }
+
+  void do_accept()
+  {
+    acceptor_.async_accept(
+        [this](const std::error_code& error, tcp::socket socket)
+        {
+          if (!error)
+          {
+            std::make_shared<session>(std::move(socket), context_)->start();
+          }
+
+          do_accept();
+        });
+  }
+
+  tcp::acceptor acceptor_;
+  asio::ssl::context context_;
+};
+
+int main(int argc, char* argv[])
+{
+  try
+  {
+    if (argc != 2)
+    {
+      std::cerr << "Usage: server <port>\n";
+      return 1;
+    }
+
+    asio::io_context io_context;
+
+    using namespace std; // For atoi.
+    server s(io_context, atoi(argv[1]));
+
+    io_context.run();
+  }
+  catch (std::exception& e)
+  {
+    std::cerr << "Exception: " << e.what() << "\n";
+  }
+
+  return 0;
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/ssl/server.pem b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/ssl/server.pem
new file mode 100644
index 0000000..37ea6e2
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/ssl/server.pem
@@ -0,0 +1,71 @@
+-----BEGIN CERTIFICATE-----
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+bREYlnGrFw==
+-----END CERTIFICATE-----
+-----BEGIN RSA PRIVATE KEY-----
+Proc-Type: 4,ENCRYPTED
+DEK-Info: AES-256-CBC,D459676347D389E9135496D8AAFA7953
+
+wbrjxr9NHur8kgxDsgXOY9qFGKpONIQLxkuahUrDD/H+s/l7ugsLWOPsOXbjNL/7
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+-----END RSA PRIVATE KEY-----
+-----BEGIN CERTIFICATE-----
+MIIDlzCCAn+gAwIBAgIJAMJYU3U6A0IRMA0GCSqGSIb3DQEBBQUAMDsxCzAJBgNV
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+-----END CERTIFICATE-----
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/timeouts/.gitignore b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/timeouts/.gitignore
new file mode 100644
index 0000000..dda7f39
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/timeouts/.gitignore
@@ -0,0 +1,11 @@
+.deps
+.dirstamp
+*.o
+*.obj
+*.exe
+*_client
+server
+*.ilk
+*.manifest
+*.pdb
+*.tds
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/timeouts/async_tcp_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/timeouts/async_tcp_client.cpp
new file mode 100644
index 0000000..64a50a2
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/timeouts/async_tcp_client.cpp
@@ -0,0 +1,311 @@
+//
+// async_tcp_client.cpp
+// ~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "asio/buffer.hpp"
+#include "asio/io_context.hpp"
+#include "asio/ip/tcp.hpp"
+#include "asio/read_until.hpp"
+#include "asio/steady_timer.hpp"
+#include "asio/write.hpp"
+#include <functional>
+#include <iostream>
+#include <string>
+
+using asio::steady_timer;
+using asio::ip::tcp;
+using std::placeholders::_1;
+using std::placeholders::_2;
+
+//
+// This class manages socket timeouts by applying the concept of a deadline.
+// Some asynchronous operations are given deadlines by which they must complete.
+// Deadlines are enforced by an "actor" that persists for the lifetime of the
+// client object:
+//
+//  +----------------+
+//  |                |
+//  | check_deadline |<---+
+//  |                |    |
+//  +----------------+    | async_wait()
+//              |         |
+//              +---------+
+//
+// If the deadline actor determines that the deadline has expired, the socket
+// is closed and any outstanding operations are consequently cancelled.
+//
+// Connection establishment involves trying each endpoint in turn until a
+// connection is successful, or the available endpoints are exhausted. If the
+// deadline actor closes the socket, the connect actor is woken up and moves to
+// the next endpoint.
+//
+//  +---------------+
+//  |               |
+//  | start_connect |<---+
+//  |               |    |
+//  +---------------+    |
+//           |           |
+//  async_-  |    +----------------+
+// connect() |    |                |
+//           +--->| handle_connect |
+//                |                |
+//                +----------------+
+//                          :
+// Once a connection is     :
+// made, the connect        :
+// actor forks in two -     :
+//                          :
+// an actor for reading     :       and an actor for
+// inbound messages:        :       sending heartbeats:
+//                          :
+//  +------------+          :          +-------------+
+//  |            |<- - - - -+- - - - ->|             |
+//  | start_read |                     | start_write |<---+
+//  |            |<---+                |             |    |
+//  +------------+    |                +-------------+    | async_wait()
+//          |         |                        |          |
+//  async_- |    +-------------+       async_- |    +--------------+
+//   read_- |    |             |       write() |    |              |
+//  until() +--->| handle_read |               +--->| handle_write |
+//               |             |                    |              |
+//               +-------------+                    +--------------+
+//
+// The input actor reads messages from the socket, where messages are delimited
+// by the newline character. The deadline for a complete message is 30 seconds.
+//
+// The heartbeat actor sends a heartbeat (a message that consists of a single
+// newline character) every 10 seconds. In this example, no deadline is applied
+// to message sending.
+//
+class client
+{
+public:
+  client(asio::io_context& io_context)
+    : socket_(io_context),
+      deadline_(io_context),
+      heartbeat_timer_(io_context)
+  {
+  }
+
+  // Called by the user of the client class to initiate the connection process.
+  // The endpoints will have been obtained using a tcp::resolver.
+  void start(tcp::resolver::results_type endpoints)
+  {
+    // Start the connect actor.
+    endpoints_ = endpoints;
+    start_connect(endpoints_.begin());
+
+    // Start the deadline actor. You will note that we're not setting any
+    // particular deadline here. Instead, the connect and input actors will
+    // update the deadline prior to each asynchronous operation.
+    deadline_.async_wait(std::bind(&client::check_deadline, this));
+  }
+
+  // This function terminates all the actors to shut down the connection. It
+  // may be called by the user of the client class, or by the class itself in
+  // response to graceful termination or an unrecoverable error.
+  void stop()
+  {
+    stopped_ = true;
+    std::error_code ignored_error;
+    socket_.close(ignored_error);
+    deadline_.cancel();
+    heartbeat_timer_.cancel();
+  }
+
+private:
+  void start_connect(tcp::resolver::results_type::iterator endpoint_iter)
+  {
+    if (endpoint_iter != endpoints_.end())
+    {
+      std::cout << "Trying " << endpoint_iter->endpoint() << "...\n";
+
+      // Set a deadline for the connect operation.
+      deadline_.expires_after(std::chrono::seconds(60));
+
+      // Start the asynchronous connect operation.
+      socket_.async_connect(endpoint_iter->endpoint(),
+          std::bind(&client::handle_connect,
+            this, _1, endpoint_iter));
+    }
+    else
+    {
+      // There are no more endpoints to try. Shut down the client.
+      stop();
+    }
+  }
+
+  void handle_connect(const std::error_code& error,
+      tcp::resolver::results_type::iterator endpoint_iter)
+  {
+    if (stopped_)
+      return;
+
+    // The async_connect() function automatically opens the socket at the start
+    // of the asynchronous operation. If the socket is closed at this time then
+    // the timeout handler must have run first.
+    if (!socket_.is_open())
+    {
+      std::cout << "Connect timed out\n";
+
+      // Try the next available endpoint.
+      start_connect(++endpoint_iter);
+    }
+
+    // Check if the connect operation failed before the deadline expired.
+    else if (error)
+    {
+      std::cout << "Connect error: " << error.message() << "\n";
+
+      // We need to close the socket used in the previous connection attempt
+      // before starting a new one.
+      socket_.close();
+
+      // Try the next available endpoint.
+      start_connect(++endpoint_iter);
+    }
+
+    // Otherwise we have successfully established a connection.
+    else
+    {
+      std::cout << "Connected to " << endpoint_iter->endpoint() << "\n";
+
+      // Start the input actor.
+      start_read();
+
+      // Start the heartbeat actor.
+      start_write();
+    }
+  }
+
+  void start_read()
+  {
+    // Set a deadline for the read operation.
+    deadline_.expires_after(std::chrono::seconds(30));
+
+    // Start an asynchronous operation to read a newline-delimited message.
+    asio::async_read_until(socket_,
+        asio::dynamic_buffer(input_buffer_), '\n',
+        std::bind(&client::handle_read, this, _1, _2));
+  }
+
+  void handle_read(const std::error_code& error, std::size_t n)
+  {
+    if (stopped_)
+      return;
+
+    if (!error)
+    {
+      // Extract the newline-delimited message from the buffer.
+      std::string line(input_buffer_.substr(0, n - 1));
+      input_buffer_.erase(0, n);
+
+      // Empty messages are heartbeats and so ignored.
+      if (!line.empty())
+      {
+        std::cout << "Received: " << line << "\n";
+      }
+
+      start_read();
+    }
+    else
+    {
+      std::cout << "Error on receive: " << error.message() << "\n";
+
+      stop();
+    }
+  }
+
+  void start_write()
+  {
+    if (stopped_)
+      return;
+
+    // Start an asynchronous operation to send a heartbeat message.
+    asio::async_write(socket_, asio::buffer("\n", 1),
+        std::bind(&client::handle_write, this, _1));
+  }
+
+  void handle_write(const std::error_code& error)
+  {
+    if (stopped_)
+      return;
+
+    if (!error)
+    {
+      // Wait 10 seconds before sending the next heartbeat.
+      heartbeat_timer_.expires_after(std::chrono::seconds(10));
+      heartbeat_timer_.async_wait(std::bind(&client::start_write, this));
+    }
+    else
+    {
+      std::cout << "Error on heartbeat: " << error.message() << "\n";
+
+      stop();
+    }
+  }
+
+  void check_deadline()
+  {
+    if (stopped_)
+      return;
+
+    // Check whether the deadline has passed. We compare the deadline against
+    // the current time since a new asynchronous operation may have moved the
+    // deadline before this actor had a chance to run.
+    if (deadline_.expiry() <= steady_timer::clock_type::now())
+    {
+      // The deadline has passed. The socket is closed so that any outstanding
+      // asynchronous operations are cancelled.
+      socket_.close();
+
+      // There is no longer an active deadline. The expiry is set to the
+      // maximum time point so that the actor takes no action until a new
+      // deadline is set.
+      deadline_.expires_at(steady_timer::time_point::max());
+    }
+
+    // Put the actor back to sleep.
+    deadline_.async_wait(std::bind(&client::check_deadline, this));
+  }
+
+private:
+  bool stopped_ = false;
+  tcp::resolver::results_type endpoints_;
+  tcp::socket socket_;
+  std::string input_buffer_;
+  steady_timer deadline_;
+  steady_timer heartbeat_timer_;
+};
+
+int main(int argc, char* argv[])
+{
+  try
+  {
+    if (argc != 3)
+    {
+      std::cerr << "Usage: client <host> <port>\n";
+      return 1;
+    }
+
+    asio::io_context io_context;
+    tcp::resolver r(io_context);
+    client c(io_context);
+
+    c.start(r.resolve(argv[1], argv[2]));
+
+    io_context.run();
+  }
+  catch (std::exception& e)
+  {
+    std::cerr << "Exception: " << e.what() << "\n";
+  }
+
+  return 0;
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/timeouts/blocking_tcp_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/timeouts/blocking_tcp_client.cpp
new file mode 100644
index 0000000..4db6ffa
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/timeouts/blocking_tcp_client.cpp
@@ -0,0 +1,192 @@
+//
+// blocking_tcp_client.cpp
+// ~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "asio/buffer.hpp"
+#include "asio/connect.hpp"
+#include "asio/io_context.hpp"
+#include "asio/ip/tcp.hpp"
+#include "asio/read_until.hpp"
+#include "asio/system_error.hpp"
+#include "asio/write.hpp"
+#include <cstdlib>
+#include <iostream>
+#include <string>
+
+using asio::ip::tcp;
+
+//----------------------------------------------------------------------
+
+//
+// This class manages socket timeouts by running the io_context using the timed
+// io_context::run_for() member function. Each asynchronous operation is given
+// a timeout within which it must complete. The socket operations themselves
+// use lambdas as completion handlers. For a given socket operation, the client
+// object runs the io_context to block thread execution until the operation
+// completes or the timeout is reached. If the io_context::run_for() function
+// times out, the socket is closed and the outstanding asynchronous operation
+// is cancelled.
+//
+class client
+{
+public:
+  void connect(const std::string& host, const std::string& service,
+      std::chrono::steady_clock::duration timeout)
+  {
+    // Resolve the host name and service to a list of endpoints.
+    auto endpoints = tcp::resolver(io_context_).resolve(host, service);
+
+    // Start the asynchronous operation itself. The lambda that is used as a
+    // callback will update the error variable when the operation completes.
+    // The blocking_udp_client.cpp example shows how you can use std::bind
+    // rather than a lambda.
+    std::error_code error;
+    asio::async_connect(socket_, endpoints,
+        [&](const std::error_code& result_error,
+            const tcp::endpoint& /*result_endpoint*/)
+        {
+          error = result_error;
+        });
+
+    // Run the operation until it completes, or until the timeout.
+    run(timeout);
+
+    // Determine whether a connection was successfully established.
+    if (error)
+      throw std::system_error(error);
+  }
+
+  std::string read_line(std::chrono::steady_clock::duration timeout)
+  {
+    // Start the asynchronous operation. The lambda that is used as a callback
+    // will update the error and n variables when the operation completes. The
+    // blocking_udp_client.cpp example shows how you can use std::bind rather
+    // than a lambda.
+    std::error_code error;
+    std::size_t n = 0;
+    asio::async_read_until(socket_,
+        asio::dynamic_buffer(input_buffer_), '\n',
+        [&](const std::error_code& result_error,
+            std::size_t result_n)
+        {
+          error = result_error;
+          n = result_n;
+        });
+
+    // Run the operation until it completes, or until the timeout.
+    run(timeout);
+
+    // Determine whether the read completed successfully.
+    if (error)
+      throw std::system_error(error);
+
+    std::string line(input_buffer_.substr(0, n - 1));
+    input_buffer_.erase(0, n);
+    return line;
+  }
+
+  void write_line(const std::string& line,
+      std::chrono::steady_clock::duration timeout)
+  {
+    std::string data = line + "\n";
+
+    // Start the asynchronous operation itself. The lambda that is used as a
+    // callback will update the error variable when the operation completes.
+    // The blocking_udp_client.cpp example shows how you can use std::bind
+    // rather than a lambda.
+    std::error_code error;
+    asio::async_write(socket_, asio::buffer(data),
+        [&](const std::error_code& result_error,
+            std::size_t /*result_n*/)
+        {
+          error = result_error;
+        });
+
+    // Run the operation until it completes, or until the timeout.
+    run(timeout);
+
+    // Determine whether the read completed successfully.
+    if (error)
+      throw std::system_error(error);
+  }
+
+private:
+  void run(std::chrono::steady_clock::duration timeout)
+  {
+    // Restart the io_context, as it may have been left in the "stopped" state
+    // by a previous operation.
+    io_context_.restart();
+
+    // Block until the asynchronous operation has completed, or timed out. If
+    // the pending asynchronous operation is a composed operation, the deadline
+    // applies to the entire operation, rather than individual operations on
+    // the socket.
+    io_context_.run_for(timeout);
+
+    // If the asynchronous operation completed successfully then the io_context
+    // would have been stopped due to running out of work. If it was not
+    // stopped, then the io_context::run_for call must have timed out.
+    if (!io_context_.stopped())
+    {
+      // Close the socket to cancel the outstanding asynchronous operation.
+      socket_.close();
+
+      // Run the io_context again until the operation completes.
+      io_context_.run();
+    }
+  }
+
+  asio::io_context io_context_;
+  tcp::socket socket_{io_context_};
+  std::string input_buffer_;
+};
+
+//----------------------------------------------------------------------
+
+int main(int argc, char* argv[])
+{
+  try
+  {
+    if (argc != 4)
+    {
+      std::cerr << "Usage: blocking_tcp_client <host> <port> <message>\n";
+      return 1;
+    }
+
+    client c;
+    c.connect(argv[1], argv[2], std::chrono::seconds(10));
+
+    auto time_sent = std::chrono::steady_clock::now();
+
+    c.write_line(argv[3], std::chrono::seconds(10));
+
+    for (;;)
+    {
+      std::string line = c.read_line(std::chrono::seconds(10));
+
+      // Keep going until we get back the line that was sent.
+      if (line == argv[3])
+        break;
+    }
+
+    auto time_received = std::chrono::steady_clock::now();
+
+    std::cout << "Round trip time: ";
+    std::cout << std::chrono::duration_cast<
+      std::chrono::microseconds>(
+        time_received - time_sent).count();
+    std::cout << " microseconds\n";
+  }
+  catch (std::exception& e)
+  {
+    std::cerr << "Exception: " << e.what() << "\n";
+  }
+
+  return 0;
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/timeouts/blocking_token_tcp_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/timeouts/blocking_token_tcp_client.cpp
new file mode 100644
index 0000000..d485ed2
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/timeouts/blocking_token_tcp_client.cpp
@@ -0,0 +1,197 @@
+//
+// blocking_token_tcp_client.cpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "asio/connect.hpp"
+#include "asio/io_context.hpp"
+#include "asio/ip/tcp.hpp"
+#include "asio/read_until.hpp"
+#include "asio/streambuf.hpp"
+#include "asio/system_error.hpp"
+#include "asio/write.hpp"
+#include <cstdlib>
+#include <iostream>
+#include <memory>
+#include <string>
+
+using asio::ip::tcp;
+
+// We will use our sockets only with an io_context.
+using tcp_socket = asio::basic_stream_socket<
+    tcp, asio::io_context::executor_type>;
+
+//----------------------------------------------------------------------
+
+// A custom completion token that makes asynchronous operations behave as
+// though they are blocking calls with a timeout.
+struct close_after
+{
+  close_after(std::chrono::steady_clock::duration t, tcp_socket& s)
+    : timeout_(t), socket_(s)
+  {
+  }
+
+  // The maximum time to wait for an asynchronous operation to complete.
+  std::chrono::steady_clock::duration timeout_;
+
+  // The socket to be closed if the operation does not complete in time.
+  tcp_socket& socket_;
+};
+
+namespace asio {
+
+// The async_result template is specialised to allow the close_after token to
+// be used with asynchronous operations that have a completion signature of
+// void(error_code, T). Generalising this for all completion signature forms is
+// left as an exercise for the reader.
+template <typename T>
+class async_result<close_after, void(std::error_code, T)>
+{
+public:
+  // An asynchronous operation's initiating function automatically creates an
+  // completion_handler_type object from the token. This function object is
+  // then called on completion of the asynchronous operation.
+  class completion_handler_type
+  {
+  public:
+    completion_handler_type(const close_after& token)
+      : token_(token)
+    {
+    }
+
+    void operator()(const std::error_code& error, T t)
+    {
+      *error_ = error;
+      *t_ = t;
+    }
+
+  private:
+    friend class async_result;
+    close_after token_;
+    std::error_code* error_;
+    T* t_;
+  };
+
+  // The async_result constructor associates the completion handler object with
+  // the result of the initiating function.
+  explicit async_result(completion_handler_type& h)
+    : timeout_(h.token_.timeout_),
+      socket_(h.token_.socket_)
+  {
+    h.error_ = &error_;
+    h.t_ = &t_;
+  }
+
+  // The return_type typedef determines the result type of the asynchronous
+  // operation's initiating function.
+  typedef T return_type;
+
+  // The get() function is used to obtain the result of the asynchronous
+  // operation's initiating function. For the close_after completion token, we
+  // use this function to run the io_context until the operation is complete.
+  return_type get()
+  {
+    asio::io_context& io_context = socket_.get_executor().context();
+
+    // Restart the io_context, as it may have been left in the "stopped" state
+    // by a previous operation.
+    io_context.restart();
+
+    // Block until the asynchronous operation has completed, or timed out. If
+    // the pending asynchronous operation is a composed operation, the deadline
+    // applies to the entire operation, rather than individual operations on
+    // the socket.
+    io_context.run_for(timeout_);
+
+    // If the asynchronous operation completed successfully then the io_context
+    // would have been stopped due to running out of work. If it was not
+    // stopped, then the io_context::run_for call must have timed out and the
+    // operation is still incomplete.
+    if (!io_context.stopped())
+    {
+      // Close the socket to cancel the outstanding asynchronous operation.
+      socket_.close();
+
+      // Run the io_context again until the operation completes.
+      io_context.run();
+    }
+
+    // If the operation failed, throw an exception. Otherwise return the result.
+    return error_ ? throw std::system_error(error_) : t_;
+  }
+
+private:
+  std::chrono::steady_clock::duration timeout_;
+  tcp_socket& socket_;
+  std::error_code error_;
+  T t_;
+};
+
+} // namespace asio
+
+//----------------------------------------------------------------------
+
+int main(int argc, char* argv[])
+{
+  try
+  {
+    if (argc != 4)
+    {
+      std::cerr << "Usage: blocking_tcp_client <host> <port> <message>\n";
+      return 1;
+    }
+
+    asio::io_context io_context;
+
+    // Resolve the host name and service to a list of endpoints.
+    auto endpoints = tcp::resolver(io_context).resolve(argv[1], argv[2]);
+
+    tcp_socket socket(io_context);
+
+    // Run an asynchronous connect operation with a timeout.
+    asio::async_connect(socket, endpoints,
+        close_after(std::chrono::seconds(10), socket));
+
+    auto time_sent = std::chrono::steady_clock::now();
+
+    // Run an asynchronous write operation with a timeout.
+    std::string msg = argv[3] + std::string("\n");
+    asio::async_write(socket, asio::buffer(msg),
+        close_after(std::chrono::seconds(10), socket));
+
+    for (std::string input_buffer;;)
+    {
+      // Run an asynchronous read operation with a timeout.
+      std::size_t n = asio::async_read_until(socket,
+          asio::dynamic_buffer(input_buffer), '\n',
+          close_after(std::chrono::seconds(10), socket));
+
+      std::string line(input_buffer.substr(0, n - 1));
+      input_buffer.erase(0, n);
+
+      // Keep going until we get back the line that was sent.
+      if (line == argv[3])
+        break;
+    }
+
+    auto time_received = std::chrono::steady_clock::now();
+
+    std::cout << "Round trip time: ";
+    std::cout << std::chrono::duration_cast<
+      std::chrono::microseconds>(
+        time_received - time_sent).count();
+    std::cout << " microseconds\n";
+  }
+  catch (std::exception& e)
+  {
+    std::cerr << "Exception: " << e.what() << "\n";
+  }
+
+  return 0;
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/timeouts/blocking_udp_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/timeouts/blocking_udp_client.cpp
new file mode 100644
index 0000000..a667bab
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/timeouts/blocking_udp_client.cpp
@@ -0,0 +1,155 @@
+//
+// blocking_udp_client.cpp
+// ~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "asio/buffer.hpp"
+#include "asio/io_context.hpp"
+#include "asio/ip/udp.hpp"
+#include <cstdlib>
+#include <functional>
+#include <iostream>
+
+using asio::ip::udp;
+using std::placeholders::_1;
+using std::placeholders::_2;
+
+//----------------------------------------------------------------------
+
+//
+// This class manages socket timeouts by running the io_context using the timed
+// io_context::run_for() member function. Each asynchronous operation is given
+// a timeout within which it must complete. The socket operations themselves
+// use std::bind to specify the completion handler:
+//
+//   +---------------+
+//   |               |
+//   |    receive    |
+//   |               |
+//   +---------------+
+//           |
+//  async_-  |    +----------------+
+// receive() |    |                |
+//           +--->| handle_receive |
+//                |                |
+//                +----------------+
+//
+// For a given socket operation, the client object runs the io_context to block
+// thread execution until the operation completes or the timeout is reached. If
+// the io_context::run_for() function times out, the socket is closed and the
+// outstanding asynchronous operation is cancelled.
+//
+class client
+{
+public:
+  client(const udp::endpoint& listen_endpoint)
+    : socket_(io_context_, listen_endpoint)
+  {
+  }
+
+  std::size_t receive(const asio::mutable_buffer& buffer,
+      std::chrono::steady_clock::duration timeout,
+      std::error_code& error)
+  {
+    // Start the asynchronous operation. The handle_receive function used as a
+    // callback will update the error and length variables.
+    std::size_t length = 0;
+    socket_.async_receive(asio::buffer(buffer),
+        std::bind(&client::handle_receive, _1, _2, &error, &length));
+
+    // Run the operation until it completes, or until the timeout.
+    run(timeout);
+
+    return length;
+  }
+
+private:
+  void run(std::chrono::steady_clock::duration timeout)
+  {
+    // Restart the io_context, as it may have been left in the "stopped" state
+    // by a previous operation.
+    io_context_.restart();
+
+    // Block until the asynchronous operation has completed, or timed out. If
+    // the pending asynchronous operation is a composed operation, the deadline
+    // applies to the entire operation, rather than individual operations on
+    // the socket.
+    io_context_.run_for(timeout);
+
+    // If the asynchronous operation completed successfully then the io_context
+    // would have been stopped due to running out of work. If it was not
+    // stopped, then the io_context::run_for call must have timed out.
+    if (!io_context_.stopped())
+    {
+      // Cancel the outstanding asynchronous operation.
+      socket_.cancel();
+
+      // Run the io_context again until the operation completes.
+      io_context_.run();
+    }
+  }
+
+  static void handle_receive(
+      const std::error_code& error, std::size_t length,
+      std::error_code* out_error, std::size_t* out_length)
+  {
+    *out_error = error;
+    *out_length = length;
+  }
+
+private:
+  asio::io_context io_context_;
+  udp::socket socket_;
+};
+
+//----------------------------------------------------------------------
+
+int main(int argc, char* argv[])
+{
+  try
+  {
+    using namespace std; // For atoi.
+
+    if (argc != 3)
+    {
+      std::cerr << "Usage: blocking_udp_client <listen_addr> <listen_port>\n";
+      return 1;
+    }
+
+    udp::endpoint listen_endpoint(
+        asio::ip::make_address(argv[1]),
+        std::atoi(argv[2]));
+
+    client c(listen_endpoint);
+
+    for (;;)
+    {
+      char data[1024];
+      std::error_code error;
+      std::size_t n = c.receive(asio::buffer(data),
+          std::chrono::seconds(10), error);
+
+      if (error)
+      {
+        std::cout << "Receive error: " << error.message() << "\n"; 
+      }
+      else
+      {
+        std::cout << "Received: ";
+        std::cout.write(data, n);
+        std::cout << "\n";
+      }
+    }
+  }
+  catch (std::exception& e)
+  {
+    std::cerr << "Exception: " << e.what() << "\n";
+  }
+
+  return 0;
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/timeouts/server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/timeouts/server.cpp
new file mode 100644
index 0000000..ab2dcf7
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/timeouts/server.cpp
@@ -0,0 +1,433 @@
+//
+// server.cpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <algorithm>
+#include <cstdlib>
+#include <deque>
+#include <iostream>
+#include <memory>
+#include <set>
+#include <string>
+#include "asio/buffer.hpp"
+#include "asio/io_context.hpp"
+#include "asio/ip/tcp.hpp"
+#include "asio/ip/udp.hpp"
+#include "asio/read_until.hpp"
+#include "asio/steady_timer.hpp"
+#include "asio/write.hpp"
+
+using asio::steady_timer;
+using asio::ip::tcp;
+using asio::ip::udp;
+
+//----------------------------------------------------------------------
+
+class subscriber
+{
+public:
+  virtual ~subscriber() = default;
+  virtual void deliver(const std::string& msg) = 0;
+};
+
+typedef std::shared_ptr<subscriber> subscriber_ptr;
+
+//----------------------------------------------------------------------
+
+class channel
+{
+public:
+  void join(subscriber_ptr subscriber)
+  {
+    subscribers_.insert(subscriber);
+  }
+
+  void leave(subscriber_ptr subscriber)
+  {
+    subscribers_.erase(subscriber);
+  }
+
+  void deliver(const std::string& msg)
+  {
+    for (const auto& s : subscribers_)
+    {
+      s->deliver(msg);
+    }
+  }
+
+private:
+  std::set<subscriber_ptr> subscribers_;
+};
+
+//----------------------------------------------------------------------
+
+//
+// This class manages socket timeouts by applying the concept of a deadline.
+// Some asynchronous operations are given deadlines by which they must complete.
+// Deadlines are enforced by two "actors" that persist for the lifetime of the
+// session object, one for input and one for output:
+//
+//  +----------------+                      +----------------+
+//  |                |                      |                |
+//  | check_deadline |<-------+             | check_deadline |<-------+
+//  |                |        |             |                |        |
+//  +----------------+        |             +----------------+        |
+//               |            |                          |            |
+//  async_wait() |    +----------------+    async_wait() |    +----------------+
+//   on input    |    |     lambda     |     on output   |    |     lambda     |
+//   deadline    +--->|       in       |     deadline    +--->|       in       |
+//                    | check_deadline |                      | check_deadline |
+//                    +----------------+                      +----------------+
+//
+// If either deadline actor determines that the corresponding deadline has
+// expired, the socket is closed and any outstanding operations are cancelled.
+//
+// The input actor reads messages from the socket, where messages are delimited
+// by the newline character:
+//
+//  +-------------+
+//  |             |
+//  |  read_line  |<----+
+//  |             |     |
+//  +-------------+     |
+//          |           |
+//  async_- |    +-------------+
+//   read_- |    |   lambda    |
+//  until() +--->|     in      |
+//               |  read_line  |
+//               +-------------+
+//
+// The deadline for receiving a complete message is 30 seconds. If a non-empty
+// message is received, it is delivered to all subscribers. If a heartbeat (a
+// message that consists of a single newline character) is received, a heartbeat
+// is enqueued for the client, provided there are no other messages waiting to
+// be sent.
+//
+// The output actor is responsible for sending messages to the client:
+//
+//  +----------------+
+//  |                |<---------------------+
+//  |  await_output  |                      |
+//  |                |<-------+             |
+//  +----------------+        |             |
+//    |            |          |             |
+//    |    async_- |  +----------------+    |
+//    |     wait() |  |     lambda     |    |
+//    |            +->|       in       |    |
+//    |               |  await_output  |    |
+//    |               +----------------+    |
+//    V                                     |
+//  +--------------+               +--------------+
+//  |              | async_write() |    lambda    |
+//  |  write_line  |-------------->|      in      |
+//  |              |               |  write_line  |
+//  +--------------+               +--------------+
+//
+// The output actor first waits for an output message to be enqueued. It does
+// this by using a steady_timer as an asynchronous condition variable. The
+// steady_timer will be signalled whenever the output queue is non-empty.
+//
+// Once a message is available, it is sent to the client. The deadline for
+// sending a complete message is 30 seconds. After the message is successfully
+// sent, the output actor again waits for the output queue to become non-empty.
+//
+class tcp_session
+  : public subscriber,
+    public std::enable_shared_from_this<tcp_session>
+{
+public:
+  tcp_session(tcp::socket socket, channel& ch)
+    : channel_(ch),
+      socket_(std::move(socket))
+  {
+    input_deadline_.expires_at(steady_timer::time_point::max());
+    output_deadline_.expires_at(steady_timer::time_point::max());
+
+    // The non_empty_output_queue_ steady_timer is set to the maximum time
+    // point whenever the output queue is empty. This ensures that the output
+    // actor stays asleep until a message is put into the queue.
+    non_empty_output_queue_.expires_at(steady_timer::time_point::max());
+  }
+
+  // Called by the server object to initiate the four actors.
+  void start()
+  {
+    channel_.join(shared_from_this());
+
+    read_line();
+    check_deadline(input_deadline_);
+
+    await_output();
+    check_deadline(output_deadline_);
+  }
+
+private:
+  void stop()
+  {
+    channel_.leave(shared_from_this());
+
+    std::error_code ignored_error;
+    socket_.close(ignored_error);
+    input_deadline_.cancel();
+    non_empty_output_queue_.cancel();
+    output_deadline_.cancel();
+  }
+
+  bool stopped() const
+  {
+    return !socket_.is_open();
+  }
+
+  void deliver(const std::string& msg) override
+  {
+    output_queue_.push_back(msg + "\n");
+
+    // Signal that the output queue contains messages. Modifying the expiry
+    // will wake the output actor, if it is waiting on the timer.
+    non_empty_output_queue_.expires_at(steady_timer::time_point::min());
+  }
+
+  void read_line()
+  {
+    // Set a deadline for the read operation.
+    input_deadline_.expires_after(std::chrono::seconds(30));
+
+    // Start an asynchronous operation to read a newline-delimited message.
+    auto self(shared_from_this());
+    asio::async_read_until(socket_,
+        asio::dynamic_buffer(input_buffer_), '\n',
+        [this, self](const std::error_code& error, std::size_t n)
+        {
+          // Check if the session was stopped while the operation was pending.
+          if (stopped())
+            return;
+
+          if (!error)
+          {
+            // Extract the newline-delimited message from the buffer.
+            std::string msg(input_buffer_.substr(0, n - 1));
+            input_buffer_.erase(0, n);
+
+            if (!msg.empty())
+            {
+              channel_.deliver(msg);
+            }
+            else
+            {
+
+              // We received a heartbeat message from the client. If there's
+              // nothing else being sent or ready to be sent, send a heartbeat
+              // right back.
+              if (output_queue_.empty())
+              {
+                output_queue_.push_back("\n");
+
+                // Signal that the output queue contains messages. Modifying
+                // the expiry will wake the output actor, if it is waiting on
+                // the timer.
+                non_empty_output_queue_.expires_at(
+                    steady_timer::time_point::min());
+              }
+            }
+
+            read_line();
+          }
+          else
+          {
+            stop();
+          }
+        });
+  }
+
+  void await_output()
+  {
+    auto self(shared_from_this());
+    non_empty_output_queue_.async_wait(
+        [this, self](const std::error_code& /*error*/)
+        {
+          // Check if the session was stopped while the operation was pending.
+          if (stopped())
+            return;
+
+          if (output_queue_.empty())
+          {
+            // There are no messages that are ready to be sent. The actor goes
+            // to sleep by waiting on the non_empty_output_queue_ timer. When a
+            // new message is added, the timer will be modified and the actor
+            // will wake.
+            non_empty_output_queue_.expires_at(steady_timer::time_point::max());
+            await_output();
+          }
+          else
+          {
+            write_line();
+          }
+        });
+  }
+
+  void write_line()
+  {
+    // Set a deadline for the write operation.
+    output_deadline_.expires_after(std::chrono::seconds(30));
+
+    // Start an asynchronous operation to send a message.
+    auto self(shared_from_this());
+    asio::async_write(socket_,
+        asio::buffer(output_queue_.front()),
+        [this, self](const std::error_code& error, std::size_t /*n*/)
+        {
+          // Check if the session was stopped while the operation was pending.
+          if (stopped())
+            return;
+
+          if (!error)
+          {
+            output_queue_.pop_front();
+
+            await_output();
+          }
+          else
+          {
+            stop();
+          }
+        });
+  }
+
+  void check_deadline(steady_timer& deadline)
+  {
+    auto self(shared_from_this());
+    deadline.async_wait(
+        [this, self, &deadline](const std::error_code& /*error*/)
+        {
+          // Check if the session was stopped while the operation was pending.
+          if (stopped())
+            return;
+
+          // Check whether the deadline has passed. We compare the deadline
+          // against the current time since a new asynchronous operation may
+          // have moved the deadline before this actor had a chance to run.
+          if (deadline.expiry() <= steady_timer::clock_type::now())
+          {
+            // The deadline has passed. Stop the session. The other actors will
+            // terminate as soon as possible.
+            stop();
+          }
+          else
+          {
+            // Put the actor back to sleep.
+            check_deadline(deadline);
+          }
+        });
+  }
+
+  channel& channel_;
+  tcp::socket socket_;
+  std::string input_buffer_;
+  steady_timer input_deadline_{socket_.get_executor()};
+  std::deque<std::string> output_queue_;
+  steady_timer non_empty_output_queue_{socket_.get_executor()};
+  steady_timer output_deadline_{socket_.get_executor()};
+};
+
+typedef std::shared_ptr<tcp_session> tcp_session_ptr;
+
+//----------------------------------------------------------------------
+
+class udp_broadcaster
+  : public subscriber
+{
+public:
+  udp_broadcaster(asio::io_context& io_context,
+      const udp::endpoint& broadcast_endpoint)
+    : socket_(io_context)
+  {
+    socket_.connect(broadcast_endpoint);
+    socket_.set_option(udp::socket::broadcast(true));
+  }
+
+private:
+  void deliver(const std::string& msg)
+  {
+    std::error_code ignored_error;
+    socket_.send(asio::buffer(msg), 0, ignored_error);
+  }
+
+  udp::socket socket_;
+};
+
+//----------------------------------------------------------------------
+
+class server
+{
+public:
+  server(asio::io_context& io_context,
+      const tcp::endpoint& listen_endpoint,
+      const udp::endpoint& broadcast_endpoint)
+    : io_context_(io_context),
+      acceptor_(io_context, listen_endpoint)
+  {
+    channel_.join(
+        std::make_shared<udp_broadcaster>(
+          io_context_, broadcast_endpoint));
+
+    accept();
+  }
+
+private:
+  void accept()
+  {
+    acceptor_.async_accept(
+        [this](const std::error_code& error, tcp::socket socket)
+        {
+          if (!error)
+          {
+            std::make_shared<tcp_session>(std::move(socket), channel_)->start();
+          }
+
+          accept();
+        });
+  }
+
+  asio::io_context& io_context_;
+  tcp::acceptor acceptor_;
+  channel channel_;
+};
+
+//----------------------------------------------------------------------
+
+int main(int argc, char* argv[])
+{
+  try
+  {
+    using namespace std; // For atoi.
+
+    if (argc != 4)
+    {
+      std::cerr << "Usage: server <listen_port> <bcast_address> <bcast_port>\n";
+      return 1;
+    }
+
+    asio::io_context io_context;
+
+    tcp::endpoint listen_endpoint(tcp::v4(), atoi(argv[1]));
+
+    udp::endpoint broadcast_endpoint(
+        asio::ip::make_address(argv[2]), atoi(argv[3]));
+
+    server s(io_context, listen_endpoint, broadcast_endpoint);
+
+    io_context.run();
+  }
+  catch (std::exception& e)
+  {
+    std::cerr << "Exception: " << e.what() << "\n";
+  }
+
+  return 0;
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/timers/.gitignore b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/timers/.gitignore
new file mode 100644
index 0000000..a3fe695
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/timers/.gitignore
@@ -0,0 +1,10 @@
+.deps
+.dirstamp
+*.o
+*.obj
+*.exe
+*timer
+*.ilk
+*.manifest
+*.pdb
+*.tds
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/timers/time_t_timer.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/timers/time_t_timer.cpp
new file mode 100644
index 0000000..ea2ad25
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp11/timers/time_t_timer.cpp
@@ -0,0 +1,106 @@
+//
+// time_t_timer.cpp
+// ~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio.hpp>
+#include <ctime>
+#include <chrono>
+#include <iostream>
+
+// A custom implementation of the Clock concept from the standard C++ library.
+struct time_t_clock
+{
+  // The duration type.
+  typedef std::chrono::steady_clock::duration duration;
+
+  // The duration's underlying arithmetic representation.
+  typedef duration::rep rep;
+
+  // The ratio representing the duration's tick period.
+  typedef duration::period period;
+
+  // An absolute time point represented using the clock.
+  typedef std::chrono::time_point<time_t_clock> time_point;
+
+  // The clock is not monotonically increasing.
+  static constexpr bool is_steady = false;
+
+  // Get the current time.
+  static time_point now() noexcept
+  {
+    return time_point() + std::chrono::seconds(std::time(0));
+  }
+};
+
+// The asio::basic_waitable_timer template accepts an optional WaitTraits
+// template parameter. The underlying time_t clock has one-second granularity,
+// so these traits may be customised to reduce the latency between the clock
+// ticking over and a wait operation's completion. When the timeout is near
+// (less than one second away) we poll the clock more frequently to detect the
+// time change closer to when it occurs. The user can select the appropriate
+// trade off between accuracy and the increased CPU cost of polling. In extreme
+// cases, a zero duration may be returned to make the timers as accurate as
+// possible, albeit with 100% CPU usage.
+struct time_t_wait_traits
+{
+  // Determine how long until the clock should be next polled to determine
+  // whether the duration has elapsed.
+  static time_t_clock::duration to_wait_duration(
+      const time_t_clock::duration& d)
+  {
+    if (d > std::chrono::seconds(1))
+      return d - std::chrono::seconds(1);
+    else if (d > std::chrono::seconds(0))
+      return std::chrono::milliseconds(10);
+    else
+      return std::chrono::seconds(0);
+  }
+
+  // Determine how long until the clock should be next polled to determine
+  // whether the absoluate time has been reached.
+  static time_t_clock::duration to_wait_duration(
+      const time_t_clock::time_point& t)
+  {
+    return to_wait_duration(t - time_t_clock::now());
+  }
+};
+
+typedef asio::basic_waitable_timer<
+  time_t_clock, time_t_wait_traits> time_t_timer;
+
+int main()
+{
+  try
+  {
+    asio::io_context io_context;
+
+    time_t_timer timer(io_context);
+
+    timer.expires_after(std::chrono::seconds(5));
+    std::cout << "Starting synchronous wait\n";
+    timer.wait();
+    std::cout << "Finished synchronous wait\n";
+
+    timer.expires_after(std::chrono::seconds(5));
+    std::cout << "Starting asynchronous wait\n";
+    timer.async_wait(
+        [](const std::error_code& /*error*/)
+        {
+          std::cout << "timeout\n";
+        });
+    io_context.run();
+    std::cout << "Finished asynchronous wait\n";
+  }
+  catch (std::exception& e)
+  {
+    std::cout << "Exception: " << e.what() << "\n";
+  }
+
+  return 0;
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/Makefile.am b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/Makefile.am
index fb8c356..e5779e5 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/Makefile.am
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/Makefile.am
@@ -24,7 +24,15 @@ noinst_PROGRAMS = \
 	executors/fork_join \
 	executors/pipeline \
 	executors/priority_scheduler \
-	iostreams/http_client
+	iostreams/http_client \
+	operations/composed_1 \
+	operations/composed_2 \
+	operations/composed_3 \
+	operations/composed_4 \
+	operations/composed_5 \
+	operations/composed_6 \
+	operations/composed_7 \
+	operations/composed_8
 
 AM_CXXFLAGS = -I$(srcdir)/../../../include
 
@@ -43,6 +51,14 @@ executors_fork_join_SOURCES = executors/fork_join.cpp
 executors_pipeline_SOURCES = executors/pipeline.cpp
 executors_priority_scheduler_SOURCES = executors/priority_scheduler.cpp
 iostreams_http_client_SOURCES = iostreams/http_client.cpp
+operations_composed_1_SOURCES = operations/composed_1.cpp
+operations_composed_2_SOURCES = operations/composed_2.cpp
+operations_composed_3_SOURCES = operations/composed_3.cpp
+operations_composed_4_SOURCES = operations/composed_4.cpp
+operations_composed_5_SOURCES = operations/composed_5.cpp
+operations_composed_6_SOURCES = operations/composed_6.cpp
+operations_composed_7_SOURCES = operations/composed_7.cpp
+operations_composed_8_SOURCES = operations/composed_8.cpp
 
 MAINTAINERCLEANFILES = \
 	$(srcdir)/Makefile.in
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/echo/async_tcp_echo_server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/echo/async_tcp_echo_server.cpp
index dfd342c..f78eb45 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/echo/async_tcp_echo_server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/echo/async_tcp_echo_server.cpp
@@ -2,7 +2,7 @@
 // async_tcp_echo_server.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/echo/async_udp_echo_server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/echo/async_udp_echo_server.cpp
index 16b46fc..c894c65 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/echo/async_udp_echo_server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/echo/async_udp_echo_server.cpp
@@ -2,7 +2,7 @@
 // async_udp_echo_server.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/echo/blocking_tcp_echo_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/echo/blocking_tcp_echo_client.cpp
index e9fe795..ef69bf3 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/echo/blocking_tcp_echo_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/echo/blocking_tcp_echo_client.cpp
@@ -2,7 +2,7 @@
 // blocking_tcp_echo_client.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/echo/blocking_tcp_echo_server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/echo/blocking_tcp_echo_server.cpp
index 16a3b88..27a1658 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/echo/blocking_tcp_echo_server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/echo/blocking_tcp_echo_server.cpp
@@ -2,7 +2,7 @@
 // blocking_tcp_echo_server.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/echo/blocking_udp_echo_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/echo/blocking_udp_echo_client.cpp
index 4d8f027..92c5746 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/echo/blocking_udp_echo_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/echo/blocking_udp_echo_client.cpp
@@ -2,7 +2,7 @@
 // blocking_udp_echo_client.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/echo/blocking_udp_echo_server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/echo/blocking_udp_echo_server.cpp
index 6dcada0..7361700 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/echo/blocking_udp_echo_server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/echo/blocking_udp_echo_server.cpp
@@ -2,7 +2,7 @@
 // blocking_udp_echo_server.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/executors/actor.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/executors/actor.cpp
index 26d2fb4..e2cc9ba 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/executors/actor.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/executors/actor.cpp
@@ -120,7 +120,7 @@ protected:
   template <class Actor, class Message>
   void deregister_handler(void (Actor::* mf)(Message, actor_address))
   {
-    const std::type_info& id = typeid(message_handler<Message>);
+    const std::type_info& id = typeid(Message);
     for (auto iter = handlers_.begin(); iter != handlers_.end(); ++iter)
     {
       if ((*iter)->message_id() == id)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/executors/fork_join.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/executors/fork_join.cpp
index fe6746a..56d7cf7 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/executors/fork_join.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/executors/fork_join.cpp
@@ -5,6 +5,7 @@
 #include <mutex>
 #include <queue>
 #include <thread>
+#include <numeric>
 
 using asio::dispatch;
 using asio::execution_context;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/executors/pipeline.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/executors/pipeline.cpp
index c66e283..d86cfc1 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/executors/pipeline.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/executors/pipeline.cpp
@@ -6,6 +6,7 @@
 #include <queue>
 #include <thread>
 #include <vector>
+#include <cctype>
 
 using asio::execution_context;
 using asio::executor_binder;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/iostreams/http_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/iostreams/http_client.cpp
index 5ba3582..a610ef9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/iostreams/http_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/iostreams/http_client.cpp
@@ -2,7 +2,7 @@
 // http_client.cpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/.gitignore b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/.gitignore
new file mode 100644
index 0000000..fd7a399
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/.gitignore
@@ -0,0 +1,10 @@
+.deps
+.dirstamp
+*.o
+*.obj
+*.exe
+composed_[0-9]
+*.ilk
+*.manifest
+*.pdb
+*.tds
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/composed_1.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/composed_1.cpp
new file mode 100644
index 0000000..2f8e97a
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/composed_1.cpp
@@ -0,0 +1,113 @@
+//
+// composed_1.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/use_future.hpp>
+#include <asio/write.hpp>
+#include <cstring>
+#include <iostream>
+#include <string>
+#include <type_traits>
+#include <utility>
+
+using asio::ip::tcp;
+
+//------------------------------------------------------------------------------
+
+// This is the simplest example of a composed asynchronous operation, where we
+// simply repackage an existing operation. The asynchronous operation
+// requirements are met by delegating responsibility to the underlying
+// operation.
+
+template <typename CompletionToken>
+auto async_write_message(tcp::socket& socket,
+    const char* message, CompletionToken&& token)
+  // The return type of the initiating function is deduced from the combination
+  // of CompletionToken type and the completion handler's signature. When the
+  // completion token is a simple callback, the return type is void. However,
+  // when the completion token is asio::yield_context (used for stackful
+  // coroutines) the return type would be std::size_t, and when the completion
+  // token is asio::use_future it would be std::future<std::size_t>.
+  //
+  // In C++14 we can omit the return type as it is automatically deduced from
+  // the return type of our underlying asynchronous operation
+{
+  // When delegating to the underlying operation we must take care to perfectly
+  // forward the completion token. This ensures that our operation works
+  // correctly with move-only function objects as callbacks, as well as other
+  // completion token types.
+  return asio::async_write(socket,
+      asio::buffer(message, std::strlen(message)),
+      std::forward<CompletionToken>(token));
+}
+
+//------------------------------------------------------------------------------
+
+void test_callback()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using a lambda as a callback.
+  async_write_message(socket, "Testing callback\r\n",
+      [](const std::error_code& error, std::size_t n)
+      {
+        if (!error)
+        {
+          std::cout << n << " bytes transferred\n";
+        }
+        else
+        {
+          std::cout << "Error: " << error.message() << "\n";
+        }
+      });
+
+  io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_future()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using the use_future completion token.
+  // This token causes the operation's initiating function to return a future,
+  // which may be used to synchronously wait for the result of the operation.
+  std::future<std::size_t> f = async_write_message(
+      socket, "Testing future\r\n", asio::use_future);
+
+  io_context.run();
+
+  try
+  {
+    // Get the result of the operation.
+    std::size_t n = f.get();
+    std::cout << n << " bytes transferred\n";
+  }
+  catch (const std::exception& e)
+  {
+    std::cout << "Error: " << e.what() << "\n";
+  }
+}
+
+//------------------------------------------------------------------------------
+
+int main()
+{
+  test_callback();
+  test_future();
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/composed_2.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/composed_2.cpp
new file mode 100644
index 0000000..93f0d01
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/composed_2.cpp
@@ -0,0 +1,131 @@
+//
+// composed_2.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/use_future.hpp>
+#include <asio/write.hpp>
+#include <cstring>
+#include <iostream>
+#include <string>
+#include <type_traits>
+#include <utility>
+
+using asio::ip::tcp;
+
+//------------------------------------------------------------------------------
+
+// This next simplest example of a composed asynchronous operation involves
+// repackaging multiple operations but choosing to invoke just one of them. All
+// of these underlying operations have the same completion signature. The
+// asynchronous operation requirements are met by delegating responsibility to
+// the underlying operations.
+
+template <typename CompletionToken>
+auto async_write_message(tcp::socket& socket,
+    const char* message, bool allow_partial_write,
+    CompletionToken&& token)
+  // The return type of the initiating function is deduced from the combination
+  // of CompletionToken type and the completion handler's signature. When the
+  // completion token is a simple callback, the return type is void. However,
+  // when the completion token is asio::yield_context (used for stackful
+  // coroutines) the return type would be std::size_t, and when the completion
+  // token is asio::use_future it would be std::future<std::size_t>.
+  //
+  // In C++14 we can omit the return type as it is automatically deduced from
+  // the return type of our underlying asynchronous operation
+{
+  // As the return type of the initiating function is deduced solely from the
+  // CompletionToken and completion signature, we know that two different
+  // asynchronous operations having the same completion signature will produce
+  // the same return type, when passed the same CompletionToken. This allows us
+  // to trivially delegate to alternate implementations.
+  if (allow_partial_write)
+  {
+    // When delegating to an underlying operation we must take care to
+    // perfectly forward the completion token. This ensures that our operation
+    // works correctly with move-only function objects as callbacks, as well as
+    // other completion token types.
+    return socket.async_write_some(
+        asio::buffer(message, std::strlen(message)),
+        std::forward<CompletionToken>(token));
+  }
+  else
+  {
+    // As above, we must perfectly forward the completion token when calling
+    // the alternate underlying operation.
+    return asio::async_write(socket,
+        asio::buffer(message, std::strlen(message)),
+        std::forward<CompletionToken>(token));
+  }
+}
+
+//------------------------------------------------------------------------------
+
+void test_callback()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using a lambda as a callback.
+  async_write_message(socket, "Testing callback\r\n", false,
+      [](const std::error_code& error, std::size_t n)
+      {
+        if (!error)
+        {
+          std::cout << n << " bytes transferred\n";
+        }
+        else
+        {
+          std::cout << "Error: " << error.message() << "\n";
+        }
+      });
+
+  io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_future()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using the use_future completion token.
+  // This token causes the operation's initiating function to return a future,
+  // which may be used to synchronously wait for the result of the operation.
+  std::future<std::size_t> f = async_write_message(
+      socket, "Testing future\r\n", false, asio::use_future);
+
+  io_context.run();
+
+  try
+  {
+    // Get the result of the operation.
+    std::size_t n = f.get();
+    std::cout << n << " bytes transferred\n";
+  }
+  catch (const std::exception& e)
+  {
+    std::cout << "Error: " << e.what() << "\n";
+  }
+}
+
+//------------------------------------------------------------------------------
+
+int main()
+{
+  test_callback();
+  test_future();
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/composed_3.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/composed_3.cpp
new file mode 100644
index 0000000..a616183
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/composed_3.cpp
@@ -0,0 +1,186 @@
+//
+// composed_3.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/bind_executor.hpp>
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/use_future.hpp>
+#include <asio/write.hpp>
+#include <cstring>
+#include <functional>
+#include <iostream>
+#include <string>
+#include <type_traits>
+#include <utility>
+
+using asio::ip::tcp;
+
+// NOTE: This example requires the new asio::async_initiate function. For
+// an example that works with the Networking TS style of completion tokens,
+// please see an older version of asio.
+
+//------------------------------------------------------------------------------
+
+// In this composed operation we repackage an existing operation, but with a
+// different completion handler signature. The asynchronous operation
+// requirements are met by delegating responsibility to the underlying
+// operation.
+
+template <typename CompletionToken>
+auto async_write_message(tcp::socket& socket,
+    const char* message, CompletionToken&& token)
+  // The return type of the initiating function is deduced from the combination
+  // of CompletionToken type and the completion handler's signature. When the
+  // completion token is a simple callback, the return type is always void.
+  // In this example, when the completion token is asio::yield_context
+  // (used for stackful coroutines) the return type would be also be void, as
+  // there is no non-error argument to the completion handler. When the
+  // completion token is asio::use_future it would be std::future<void>.
+  //
+  // In C++14 we can omit the return type as it is automatically deduced from
+  // the return type of asio::async_initiate.
+{
+  // In addition to determining the mechanism by which an asynchronous
+  // operation delivers its result, a completion token also determines the time
+  // when the operation commences. For example, when the completion token is a
+  // simple callback the operation commences before the initiating function
+  // returns. However, if the completion token's delivery mechanism uses a
+  // future, we might instead want to defer initiation of the operation until
+  // the returned future object is waited upon.
+  //
+  // To enable this, when implementing an asynchronous operation we must
+  // package the initiation step as a function object. The initiation function
+  // object's call operator is passed the concrete completion handler produced
+  // by the completion token. This completion handler matches the asynchronous
+  // operation's completion handler signature, which in this example is:
+  //
+  //   void(std::error_code error)
+  //
+  // The initiation function object also receives any additional arguments
+  // required to start the operation. (Note: We could have instead passed these
+  // arguments in the lambda capture set. However, we should prefer to
+  // propagate them as function call arguments as this allows the completion
+  // token to optimise how they are passed. For example, a lazy future which
+  // defers initiation would need to make a decay-copy of the arguments, but
+  // when using a simple callback the arguments can be trivially forwarded
+  // straight through.)
+  auto initiation = [](auto&& completion_handler,
+      tcp::socket& socket, const char* message)
+  {
+    // The async_write operation has a completion handler signature of:
+    //
+    //   void(std::error_code error, std::size n)
+    //
+    // This differs from our operation's signature in that it is also passed
+    // the number of bytes transferred as an argument of type std::size_t. We
+    // will adapt our completion handler to async_write's completion handler
+    // signature by using std::bind, which drops the additional argument.
+    //
+    // However, it is essential to the correctness of our composed operation
+    // that we preserve the executor of the user-supplied completion handler.
+    // The std::bind function will not do this for us, so we must do this by
+    // first obtaining the completion handler's associated executor (defaulting
+    // to the I/O executor - in this case the executor of the socket - if the
+    // completion handler does not have its own) ...
+    auto executor = asio::get_associated_executor(
+        completion_handler, socket.get_executor());
+
+    // ... and then binding this executor to our adapted completion handler
+    // using the asio::bind_executor function.
+    asio::async_write(socket,
+        asio::buffer(message, std::strlen(message)),
+        asio::bind_executor(executor,
+          std::bind(std::forward<decltype(completion_handler)>(
+              completion_handler), std::placeholders::_1)));
+  };
+
+  // The asio::async_initiate function takes:
+  //
+  // - our initiation function object,
+  // - the completion token,
+  // - the completion handler signature, and
+  // - any additional arguments we need to initiate the operation.
+  //
+  // It then asks the completion token to create a completion handler (i.e. a
+  // callback) with the specified signature, and invoke the initiation function
+  // object with this completion handler as well as the additional arguments.
+  // The return value of async_initiate is the result of our operation's
+  // initiating function.
+  //
+  // Note that we wrap non-const reference arguments in std::reference_wrapper
+  // to prevent incorrect decay-copies of these objects.
+  return asio::async_initiate<
+    CompletionToken, void(std::error_code)>(
+      initiation, token, std::ref(socket), message);
+}
+
+//------------------------------------------------------------------------------
+
+void test_callback()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using a lambda as a callback.
+  async_write_message(socket, "Testing callback\r\n",
+      [](const std::error_code& error)
+      {
+        if (!error)
+        {
+          std::cout << "Message sent\n";
+        }
+        else
+        {
+          std::cout << "Error: " << error.message() << "\n";
+        }
+      });
+
+  io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_future()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using the use_future completion token.
+  // This token causes the operation's initiating function to return a future,
+  // which may be used to synchronously wait for the result of the operation.
+  std::future<void> f = async_write_message(
+      socket, "Testing future\r\n", asio::use_future);
+
+  io_context.run();
+
+  // Get the result of the operation.
+  try
+  {
+    // Get the result of the operation.
+    f.get();
+    std::cout << "Message sent\n";
+  }
+  catch (const std::exception& e)
+  {
+    std::cout << "Error: " << e.what() << "\n";
+  }
+}
+
+//------------------------------------------------------------------------------
+
+int main()
+{
+  test_callback();
+  test_future();
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/composed_4.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/composed_4.cpp
new file mode 100644
index 0000000..3620b38
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/composed_4.cpp
@@ -0,0 +1,201 @@
+//
+// composed_4.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/bind_executor.hpp>
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/use_future.hpp>
+#include <asio/write.hpp>
+#include <cstring>
+#include <functional>
+#include <iostream>
+#include <string>
+#include <type_traits>
+#include <utility>
+
+using asio::ip::tcp;
+
+// NOTE: This example requires the new asio::async_initiate function. For
+// an example that works with the Networking TS style of completion tokens,
+// please see an older version of asio.
+
+//------------------------------------------------------------------------------
+
+// In this composed operation we repackage an existing operation, but with a
+// different completion handler signature. We will also intercept an empty
+// message as an invalid argument, and propagate the corresponding error to the
+// user. The asynchronous operation requirements are met by delegating
+// responsibility to the underlying operation.
+
+template <typename CompletionToken>
+auto async_write_message(tcp::socket& socket,
+    const char* message, CompletionToken&& token)
+  // The return type of the initiating function is deduced from the combination
+  // of CompletionToken type and the completion handler's signature. When the
+  // completion token is a simple callback, the return type is always void.
+  // In this example, when the completion token is asio::yield_context
+  // (used for stackful coroutines) the return type would be also be void, as
+  // there is no non-error argument to the completion handler. When the
+  // completion token is asio::use_future it would be std::future<void>.
+  //
+  // In C++14 we can omit the return type as it is automatically deduced from
+  // the return type of asio::async_initiate.
+{
+  // In addition to determining the mechanism by which an asynchronous
+  // operation delivers its result, a completion token also determines the time
+  // when the operation commences. For example, when the completion token is a
+  // simple callback the operation commences before the initiating function
+  // returns. However, if the completion token's delivery mechanism uses a
+  // future, we might instead want to defer initiation of the operation until
+  // the returned future object is waited upon.
+  //
+  // To enable this, when implementing an asynchronous operation we must
+  // package the initiation step as a function object. The initiation function
+  // object's call operator is passed the concrete completion handler produced
+  // by the completion token. This completion handler matches the asynchronous
+  // operation's completion handler signature, which in this example is:
+  //
+  //   void(std::error_code error)
+  //
+  // The initiation function object also receives any additional arguments
+  // required to start the operation. (Note: We could have instead passed these
+  // arguments in the lambda capture set. However, we should prefer to
+  // propagate them as function call arguments as this allows the completion
+  // token to optimise how they are passed. For example, a lazy future which
+  // defers initiation would need to make a decay-copy of the arguments, but
+  // when using a simple callback the arguments can be trivially forwarded
+  // straight through.)
+  auto initiation = [](auto&& completion_handler,
+      tcp::socket& socket, const char* message)
+  {
+    // The post operation has a completion handler signature of:
+    //
+    //   void()
+    //
+    // and the async_write operation has a completion handler signature of:
+    //
+    //   void(std::error_code error, std::size n)
+    //
+    // Both of these operations' completion handler signatures differ from our
+    // operation's completion handler signature. We will adapt our completion
+    // handler to these signatures by using std::bind, which drops the
+    // additional arguments.
+    //
+    // However, it is essential to the correctness of our composed operation
+    // that we preserve the executor of the user-supplied completion handler.
+    // The std::bind function will not do this for us, so we must do this by
+    // first obtaining the completion handler's associated executor (defaulting
+    // to the I/O executor - in this case the executor of the socket - if the
+    // completion handler does not have its own) ...
+    auto executor = asio::get_associated_executor(
+        completion_handler, socket.get_executor());
+
+    // ... and then binding this executor to our adapted completion handler
+    // using the asio::bind_executor function.
+    std::size_t length = std::strlen(message);
+    if (length == 0)
+    {
+      asio::post(
+          asio::bind_executor(executor,
+            std::bind(std::forward<decltype(completion_handler)>(
+                completion_handler), asio::error::invalid_argument)));
+    }
+    else
+    {
+      asio::async_write(socket,
+          asio::buffer(message, length),
+          asio::bind_executor(executor,
+            std::bind(std::forward<decltype(completion_handler)>(
+                completion_handler), std::placeholders::_1)));
+    }
+  };
+
+  // The asio::async_initiate function takes:
+  //
+  // - our initiation function object,
+  // - the completion token,
+  // - the completion handler signature, and
+  // - any additional arguments we need to initiate the operation.
+  //
+  // It then asks the completion token to create a completion handler (i.e. a
+  // callback) with the specified signature, and invoke the initiation function
+  // object with this completion handler as well as the additional arguments.
+  // The return value of async_initiate is the result of our operation's
+  // initiating function.
+  //
+  // Note that we wrap non-const reference arguments in std::reference_wrapper
+  // to prevent incorrect decay-copies of these objects.
+  return asio::async_initiate<
+    CompletionToken, void(std::error_code)>(
+      initiation, token, std::ref(socket), message);
+}
+
+//------------------------------------------------------------------------------
+
+void test_callback()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using a lambda as a callback.
+  async_write_message(socket, "",
+      [](const std::error_code& error)
+      {
+        if (!error)
+        {
+          std::cout << "Message sent\n";
+        }
+        else
+        {
+          std::cout << "Error: " << error.message() << "\n";
+        }
+      });
+
+  io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_future()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using the use_future completion token.
+  // This token causes the operation's initiating function to return a future,
+  // which may be used to synchronously wait for the result of the operation.
+  std::future<void> f = async_write_message(
+      socket, "", asio::use_future);
+
+  io_context.run();
+
+  try
+  {
+    // Get the result of the operation.
+    f.get();
+    std::cout << "Message sent\n";
+  }
+  catch (const std::exception& e)
+  {
+    std::cout << "Exception: " << e.what() << "\n";
+  }
+}
+
+//------------------------------------------------------------------------------
+
+int main()
+{
+  test_callback();
+  test_future();
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/composed_5.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/composed_5.cpp
new file mode 100644
index 0000000..4d95563
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/composed_5.cpp
@@ -0,0 +1,238 @@
+//
+// composed_5.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/use_future.hpp>
+#include <asio/write.hpp>
+#include <functional>
+#include <iostream>
+#include <memory>
+#include <sstream>
+#include <string>
+#include <type_traits>
+#include <utility>
+
+using asio::ip::tcp;
+
+// NOTE: This example requires the new asio::async_initiate function. For
+// an example that works with the Networking TS style of completion tokens,
+// please see an older version of asio.
+
+//------------------------------------------------------------------------------
+
+// This composed operation automatically serialises a message, using its I/O
+// streams insertion operator, before sending it on the socket. To do this, it
+// must allocate a buffer for the encoded message and ensure this buffer's
+// validity until the underlying async_write operation completes.
+
+template <typename T, typename CompletionToken>
+auto async_write_message(tcp::socket& socket,
+    const T& message, CompletionToken&& token)
+  // The return type of the initiating function is deduced from the combination
+  // of CompletionToken type and the completion handler's signature. When the
+  // completion token is a simple callback, the return type is always void.
+  // In this example, when the completion token is asio::yield_context
+  // (used for stackful coroutines) the return type would be also be void, as
+  // there is no non-error argument to the completion handler. When the
+  // completion token is asio::use_future it would be std::future<void>.
+  //
+  // In C++14 we can omit the return type as it is automatically deduced from
+  // the return type of asio::async_initiate.
+{
+  // In addition to determining the mechanism by which an asynchronous
+  // operation delivers its result, a completion token also determines the time
+  // when the operation commences. For example, when the completion token is a
+  // simple callback the operation commences before the initiating function
+  // returns. However, if the completion token's delivery mechanism uses a
+  // future, we might instead want to defer initiation of the operation until
+  // the returned future object is waited upon.
+  //
+  // To enable this, when implementing an asynchronous operation we must
+  // package the initiation step as a function object. The initiation function
+  // object's call operator is passed the concrete completion handler produced
+  // by the completion token. This completion handler matches the asynchronous
+  // operation's completion handler signature, which in this example is:
+  //
+  //   void(std::error_code error)
+  //
+  // The initiation function object also receives any additional arguments
+  // required to start the operation. (Note: We could have instead passed these
+  // arguments in the lambda capture set. However, we should prefer to
+  // propagate them as function call arguments as this allows the completion
+  // token to optimise how they are passed. For example, a lazy future which
+  // defers initiation would need to make a decay-copy of the arguments, but
+  // when using a simple callback the arguments can be trivially forwarded
+  // straight through.)
+  auto initiation = [](auto&& completion_handler,
+      tcp::socket& socket, std::unique_ptr<std::string> encoded_message)
+  {
+    // In this example, the composed operation's intermediate completion
+    // handler is implemented as a hand-crafted function object, rather than
+    // using a lambda or std::bind.
+    struct intermediate_completion_handler
+    {
+      // The intermediate completion handler holds a reference to the socket so
+      // that it can obtain the I/O executor (see get_executor below).
+      tcp::socket& socket_;
+
+      // The allocated buffer for the encoded message. The std::unique_ptr
+      // smart pointer is move-only, and as a consequence our intermediate
+      // completion handler is also move-only.
+      std::unique_ptr<std::string> encoded_message_;
+
+      // The user-supplied completion handler.
+      typename std::decay<decltype(completion_handler)>::type handler_;
+
+      // The function call operator matches the completion signature of the
+      // async_write operation.
+      void operator()(const std::error_code& error, std::size_t /*n*/)
+      {
+        // Deallocate the encoded message before calling the user-supplied
+        // completion handler.
+        encoded_message_.reset();
+
+        // Call the user-supplied handler with the result of the operation.
+        // The arguments must match the completion signature of our composed
+        // operation.
+        handler_(error);
+      }
+
+      // It is essential to the correctness of our composed operation that we
+      // preserve the executor of the user-supplied completion handler. With a
+      // hand-crafted function object we can do this by defining a nested type
+      // executor_type and member function get_executor. These obtain the
+      // completion handler's associated executor, and default to the I/O
+      // executor - in this case the executor of the socket - if the completion
+      // handler does not have its own.
+      using executor_type = asio::associated_executor_t<
+          typename std::decay<decltype(completion_handler)>::type,
+          tcp::socket::executor_type>;
+
+      executor_type get_executor() const noexcept
+      {
+        return asio::get_associated_executor(
+            handler_, socket_.get_executor());
+      }
+
+      // Although not necessary for correctness, we may also preserve the
+      // allocator of the user-supplied completion handler. This is achieved by
+      // defining a nested type allocator_type and member function
+      // get_allocator. These obtain the completion handler's associated
+      // allocator, and default to std::allocator<void> if the completion
+      // handler does not have its own.
+      using allocator_type = asio::associated_allocator_t<
+          typename std::decay<decltype(completion_handler)>::type,
+          std::allocator<void>>;
+
+      allocator_type get_allocator() const noexcept
+      {
+        return asio::get_associated_allocator(
+            handler_, std::allocator<void>{});
+      }
+    };
+
+    // Initiate the underlying async_write operation using our intermediate
+    // completion handler.
+    auto encoded_message_buffer = asio::buffer(*encoded_message);
+    asio::async_write(socket, encoded_message_buffer,
+        intermediate_completion_handler{socket, std::move(encoded_message),
+          std::forward<decltype(completion_handler)>(completion_handler)});
+  };
+
+  // Encode the message and copy it into an allocated buffer. The buffer will
+  // be maintained for the lifetime of the asynchronous operation.
+  std::ostringstream os;
+  os << message;
+  std::unique_ptr<std::string> encoded_message(new std::string(os.str()));
+
+  // The asio::async_initiate function takes:
+  //
+  // - our initiation function object,
+  // - the completion token,
+  // - the completion handler signature, and
+  // - any additional arguments we need to initiate the operation.
+  //
+  // It then asks the completion token to create a completion handler (i.e. a
+  // callback) with the specified signature, and invoke the initiation function
+  // object with this completion handler as well as the additional arguments.
+  // The return value of async_initiate is the result of our operation's
+  // initiating function.
+  //
+  // Note that we wrap non-const reference arguments in std::reference_wrapper
+  // to prevent incorrect decay-copies of these objects.
+  return asio::async_initiate<
+    CompletionToken, void(std::error_code)>(
+      initiation, token, std::ref(socket),
+      std::move(encoded_message));
+}
+
+//------------------------------------------------------------------------------
+
+void test_callback()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using a lambda as a callback.
+  async_write_message(socket, 123456,
+      [](const std::error_code& error)
+      {
+        if (!error)
+        {
+          std::cout << "Message sent\n";
+        }
+        else
+        {
+          std::cout << "Error: " << error.message() << "\n";
+        }
+      });
+
+  io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_future()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using the use_future completion token.
+  // This token causes the operation's initiating function to return a future,
+  // which may be used to synchronously wait for the result of the operation.
+  std::future<void> f = async_write_message(
+      socket, 654.321, asio::use_future);
+
+  io_context.run();
+
+  try
+  {
+    // Get the result of the operation.
+    f.get();
+    std::cout << "Message sent\n";
+  }
+  catch (const std::exception& e)
+  {
+    std::cout << "Exception: " << e.what() << "\n";
+  }
+}
+
+//------------------------------------------------------------------------------
+
+int main()
+{
+  test_callback();
+  test_future();
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/composed_6.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/composed_6.cpp
new file mode 100644
index 0000000..d838afe
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/composed_6.cpp
@@ -0,0 +1,298 @@
+//
+// composed_6.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/executor_work_guard.hpp>
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/steady_timer.hpp>
+#include <asio/use_future.hpp>
+#include <asio/write.hpp>
+#include <functional>
+#include <iostream>
+#include <memory>
+#include <sstream>
+#include <string>
+#include <type_traits>
+#include <utility>
+
+using asio::ip::tcp;
+
+// NOTE: This example requires the new asio::async_initiate function. For
+// an example that works with the Networking TS style of completion tokens,
+// please see an older version of asio.
+
+//------------------------------------------------------------------------------
+
+// This composed operation shows composition of multiple underlying operations.
+// It automatically serialises a message, using its I/O streams insertion
+// operator, before sending it N times on the socket. To do this, it must
+// allocate a buffer for the encoded message and ensure this buffer's validity
+// until all underlying async_write operation complete. A one second delay is
+// inserted prior to each write operation, using a steady_timer.
+
+template <typename T, typename CompletionToken>
+auto async_write_messages(tcp::socket& socket,
+    const T& message, std::size_t repeat_count,
+    CompletionToken&& token)
+  // The return type of the initiating function is deduced from the combination
+  // of CompletionToken type and the completion handler's signature. When the
+  // completion token is a simple callback, the return type is always void.
+  // In this example, when the completion token is asio::yield_context
+  // (used for stackful coroutines) the return type would be also be void, as
+  // there is no non-error argument to the completion handler. When the
+  // completion token is asio::use_future it would be std::future<void>.
+  //
+  // In C++14 we can omit the return type as it is automatically deduced from
+  // the return type of asio::async_initiate.
+{
+  // In addition to determining the mechanism by which an asynchronous
+  // operation delivers its result, a completion token also determines the time
+  // when the operation commences. For example, when the completion token is a
+  // simple callback the operation commences before the initiating function
+  // returns. However, if the completion token's delivery mechanism uses a
+  // future, we might instead want to defer initiation of the operation until
+  // the returned future object is waited upon.
+  //
+  // To enable this, when implementing an asynchronous operation we must
+  // package the initiation step as a function object. The initiation function
+  // object's call operator is passed the concrete completion handler produced
+  // by the completion token. This completion handler matches the asynchronous
+  // operation's completion handler signature, which in this example is:
+  //
+  //   void(std::error_code error)
+  //
+  // The initiation function object also receives any additional arguments
+  // required to start the operation. (Note: We could have instead passed these
+  // arguments in the lambda capture set. However, we should prefer to
+  // propagate them as function call arguments as this allows the completion
+  // token to optimise how they are passed. For example, a lazy future which
+  // defers initiation would need to make a decay-copy of the arguments, but
+  // when using a simple callback the arguments can be trivially forwarded
+  // straight through.)
+  auto initiation = [](auto&& completion_handler, tcp::socket& socket,
+      std::unique_ptr<std::string> encoded_message, std::size_t repeat_count,
+      std::unique_ptr<asio::steady_timer> delay_timer)
+  {
+    // In this example, the composed operation's intermediate completion
+    // handler is implemented as a hand-crafted function object.
+    struct intermediate_completion_handler
+    {
+      // The intermediate completion handler holds a reference to the socket as
+      // it is used for multiple async_write operations, as well as for
+      // obtaining the I/O executor (see get_executor below).
+      tcp::socket& socket_;
+
+      // The allocated buffer for the encoded message. The std::unique_ptr
+      // smart pointer is move-only, and as a consequence our intermediate
+      // completion handler is also move-only.
+      std::unique_ptr<std::string> encoded_message_;
+
+      // The repeat count remaining.
+      std::size_t repeat_count_;
+
+      // A steady timer used for introducing a delay.
+      std::unique_ptr<asio::steady_timer> delay_timer_;
+
+      // To manage the cycle between the multiple underlying asychronous
+      // operations, our intermediate completion handler is implemented as a
+      // state machine.
+      enum { starting, waiting, writing } state_;
+
+      // As our composed operation performs multiple underlying I/O operations,
+      // we should maintain a work object against the I/O executor. This tells
+      // the I/O executor that there is still more work to come in the future.
+      asio::executor_work_guard<tcp::socket::executor_type> io_work_;
+
+      // The user-supplied completion handler, called once only on completion
+      // of the entire composed operation.
+      typename std::decay<decltype(completion_handler)>::type handler_;
+
+      // By having a default value for the second argument, this function call
+      // operator matches the completion signature of both the async_write and
+      // steady_timer::async_wait operations.
+      void operator()(const std::error_code& error, std::size_t = 0)
+      {
+        if (!error)
+        {
+          switch (state_)
+          {
+          case starting:
+          case writing:
+            if (repeat_count_ > 0)
+            {
+              --repeat_count_;
+              state_ = waiting;
+              delay_timer_->expires_after(std::chrono::seconds(1));
+              delay_timer_->async_wait(std::move(*this));
+              return; // Composed operation not yet complete.
+            }
+            break; // Composed operation complete, continue below.
+          case waiting:
+            state_ = writing;
+            asio::async_write(socket_,
+                asio::buffer(*encoded_message_), std::move(*this));
+            return; // Composed operation not yet complete.
+          }
+        }
+
+        // This point is reached only on completion of the entire composed
+        // operation.
+
+        // We no longer have any future work coming for the I/O executor.
+        io_work_.reset();
+
+        // Deallocate the encoded message before calling the user-supplied
+        // completion handler.
+        encoded_message_.reset();
+
+        // Call the user-supplied handler with the result of the operation.
+        handler_(error);
+      }
+
+      // It is essential to the correctness of our composed operation that we
+      // preserve the executor of the user-supplied completion handler. With a
+      // hand-crafted function object we can do this by defining a nested type
+      // executor_type and member function get_executor. These obtain the
+      // completion handler's associated executor, and default to the I/O
+      // executor - in this case the executor of the socket - if the completion
+      // handler does not have its own.
+      using executor_type = asio::associated_executor_t<
+          typename std::decay<decltype(completion_handler)>::type,
+          tcp::socket::executor_type>;
+
+      executor_type get_executor() const noexcept
+      {
+        return asio::get_associated_executor(
+            handler_, socket_.get_executor());
+      }
+
+      // Although not necessary for correctness, we may also preserve the
+      // allocator of the user-supplied completion handler. This is achieved by
+      // defining a nested type allocator_type and member function
+      // get_allocator. These obtain the completion handler's associated
+      // allocator, and default to std::allocator<void> if the completion
+      // handler does not have its own.
+      using allocator_type = asio::associated_allocator_t<
+          typename std::decay<decltype(completion_handler)>::type,
+          std::allocator<void>>;
+
+      allocator_type get_allocator() const noexcept
+      {
+        return asio::get_associated_allocator(
+            handler_, std::allocator<void>{});
+      }
+    };
+
+    // Initiate the underlying async_write operation using our intermediate
+    // completion handler.
+    auto encoded_message_buffer = asio::buffer(*encoded_message);
+    asio::async_write(socket, encoded_message_buffer,
+        intermediate_completion_handler{
+          socket, std::move(encoded_message),
+          repeat_count, std::move(delay_timer),
+          intermediate_completion_handler::starting,
+          asio::make_work_guard(socket.get_executor()),
+          std::forward<decltype(completion_handler)>(completion_handler)});
+  };
+
+  // Encode the message and copy it into an allocated buffer. The buffer will
+  // be maintained for the lifetime of the composed asynchronous operation.
+  std::ostringstream os;
+  os << message;
+  std::unique_ptr<std::string> encoded_message(new std::string(os.str()));
+
+  // Create a steady_timer to be used for the delay between messages.
+  std::unique_ptr<asio::steady_timer> delay_timer(
+      new asio::steady_timer(socket.get_executor()));
+
+  // The asio::async_initiate function takes:
+  //
+  // - our initiation function object,
+  // - the completion token,
+  // - the completion handler signature, and
+  // - any additional arguments we need to initiate the operation.
+  //
+  // It then asks the completion token to create a completion handler (i.e. a
+  // callback) with the specified signature, and invoke the initiation function
+  // object with this completion handler as well as the additional arguments.
+  // The return value of async_initiate is the result of our operation's
+  // initiating function.
+  //
+  // Note that we wrap non-const reference arguments in std::reference_wrapper
+  // to prevent incorrect decay-copies of these objects.
+  return asio::async_initiate<
+    CompletionToken, void(std::error_code)>(
+      initiation, token, std::ref(socket),
+      std::move(encoded_message), repeat_count,
+      std::move(delay_timer));
+}
+
+//------------------------------------------------------------------------------
+
+void test_callback()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using a lambda as a callback.
+  async_write_messages(socket, "Testing callback\r\n", 5,
+      [](const std::error_code& error)
+      {
+        if (!error)
+        {
+          std::cout << "Messages sent\n";
+        }
+        else
+        {
+          std::cout << "Error: " << error.message() << "\n";
+        }
+      });
+
+  io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_future()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using the use_future completion token.
+  // This token causes the operation's initiating function to return a future,
+  // which may be used to synchronously wait for the result of the operation.
+  std::future<void> f = async_write_messages(
+      socket, "Testing future\r\n", 5, asio::use_future);
+
+  io_context.run();
+
+  try
+  {
+    // Get the result of the operation.
+    f.get();
+    std::cout << "Messages sent\n";
+  }
+  catch (const std::exception& e)
+  {
+    std::cout << "Error: " << e.what() << "\n";
+  }
+}
+
+//------------------------------------------------------------------------------
+
+int main()
+{
+  test_callback();
+  test_future();
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/composed_7.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/composed_7.cpp
new file mode 100644
index 0000000..21a50c3
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/composed_7.cpp
@@ -0,0 +1,219 @@
+//
+// composed_7.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/compose.hpp>
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/steady_timer.hpp>
+#include <asio/use_future.hpp>
+#include <asio/write.hpp>
+#include <functional>
+#include <iostream>
+#include <memory>
+#include <sstream>
+#include <string>
+#include <type_traits>
+#include <utility>
+
+using asio::ip::tcp;
+
+// NOTE: This example requires the new asio::async_compose function. For
+// an example that works with the Networking TS style of completion tokens,
+// please see an older version of asio.
+
+//------------------------------------------------------------------------------
+
+// This composed operation shows composition of multiple underlying operations.
+// It automatically serialises a message, using its I/O streams insertion
+// operator, before sending it N times on the socket. To do this, it must
+// allocate a buffer for the encoded message and ensure this buffer's validity
+// until all underlying async_write operation complete. A one second delay is
+// inserted prior to each write operation, using a steady_timer.
+
+template <typename T, typename CompletionToken>
+auto async_write_messages(tcp::socket& socket,
+    const T& message, std::size_t repeat_count,
+    CompletionToken&& token)
+  // The return type of the initiating function is deduced from the combination
+  // of CompletionToken type and the completion handler's signature. When the
+  // completion token is a simple callback, the return type is always void.
+  // In this example, when the completion token is asio::yield_context
+  // (used for stackful coroutines) the return type would be also be void, as
+  // there is no non-error argument to the completion handler. When the
+  // completion token is asio::use_future it would be std::future<void>.
+  //
+  // In C++14 we can omit the return type as it is automatically deduced from
+  // the return type of asio::async_initiate.
+{
+  // Encode the message and copy it into an allocated buffer. The buffer will
+  // be maintained for the lifetime of the composed asynchronous operation.
+  std::ostringstream os;
+  os << message;
+  std::unique_ptr<std::string> encoded_message(new std::string(os.str()));
+
+  // Create a steady_timer to be used for the delay between messages.
+  std::unique_ptr<asio::steady_timer> delay_timer(
+      new asio::steady_timer(socket.get_executor()));
+
+  // To manage the cycle between the multiple underlying asychronous
+  // operations, our implementation is a state machine.
+  enum { starting, waiting, writing };
+
+  // The asio::async_compose function takes:
+  //
+  // - our asynchronous operation implementation,
+  // - the completion token,
+  // - the completion handler signature, and
+  // - any I/O objects (or executors) used by the operation
+  //
+  // It then wraps our implementation, which is implemented here as a state
+  // machine in a lambda, in an intermediate completion handler that meets the
+  // requirements of a conforming asynchronous operation. This includes
+  // tracking outstanding work against the I/O executors associated with the
+  // operation (in this example, this is the socket's executor).
+  //
+  // The first argument to our lambda is a reference to the enclosing
+  // intermediate completion handler. This intermediate completion handler is
+  // provided for us by the asio::async_compose function, and takes care
+  // of all the details required to implement a conforming asynchronous
+  // operation. When calling an underlying asynchronous operation, we pass it
+  // this enclosing intermediate completion handler as the completion token.
+  //
+  // All arguments to our lambda after the first must be defaulted to allow the
+  // state machine to be started, as well as to allow the completion handler to
+  // match the completion signature of both the async_write and
+  // steady_timer::async_wait operations.
+  return asio::async_compose<
+    CompletionToken, void(std::error_code)>(
+      [
+        // The implementation holds a reference to the socket as it is used for
+        // multiple async_write operations.
+        &socket,
+
+        // The allocated buffer for the encoded message. The std::unique_ptr
+        // smart pointer is move-only, and as a consequence our lambda
+        // implementation is also move-only.
+        encoded_message = std::move(encoded_message),
+
+        // The repeat count remaining.
+        repeat_count,
+
+        // A steady timer used for introducing a delay.
+        delay_timer = std::move(delay_timer),
+
+        // To manage the cycle between the multiple underlying asychronous
+        // operations, our implementation is a state machine.
+        state = starting
+      ]
+      (
+        auto& self,
+        const std::error_code& error = {},
+        std::size_t = 0
+      ) mutable
+      {
+        if (!error)
+        {
+          switch (state)
+          {
+          case starting:
+          case writing:
+            if (repeat_count > 0)
+            {
+              --repeat_count;
+              state = waiting;
+              delay_timer->expires_after(std::chrono::seconds(1));
+              delay_timer->async_wait(std::move(self));
+              return; // Composed operation not yet complete.
+            }
+            break; // Composed operation complete, continue below.
+          case waiting:
+            state = writing;
+            asio::async_write(socket,
+                asio::buffer(*encoded_message), std::move(self));
+            return; // Composed operation not yet complete.
+          }
+        }
+
+        // This point is reached only on completion of the entire composed
+        // operation.
+
+        // Deallocate the encoded message and delay timer before calling the
+        // user-supplied completion handler.
+        encoded_message.reset();
+        delay_timer.reset();
+
+        // Call the user-supplied handler with the result of the operation.
+        self.complete(error);
+      },
+      token, socket);
+}
+
+//------------------------------------------------------------------------------
+
+void test_callback()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using a lambda as a callback.
+  async_write_messages(socket, "Testing callback\r\n", 5,
+      [](const std::error_code& error)
+      {
+        if (!error)
+        {
+          std::cout << "Messages sent\n";
+        }
+        else
+        {
+          std::cout << "Error: " << error.message() << "\n";
+        }
+      });
+
+  io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_future()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using the use_future completion token.
+  // This token causes the operation's initiating function to return a future,
+  // which may be used to synchronously wait for the result of the operation.
+  std::future<void> f = async_write_messages(
+      socket, "Testing future\r\n", 5, asio::use_future);
+
+  io_context.run();
+
+  try
+  {
+    // Get the result of the operation.
+    f.get();
+    std::cout << "Messages sent\n";
+  }
+  catch (const std::exception& e)
+  {
+    std::cout << "Error: " << e.what() << "\n";
+  }
+}
+
+//------------------------------------------------------------------------------
+
+int main()
+{
+  test_callback();
+  test_future();
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/composed_8.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/composed_8.cpp
new file mode 100644
index 0000000..84e5825
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp14/operations/composed_8.cpp
@@ -0,0 +1,212 @@
+//
+// composed_8.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/compose.hpp>
+#include <asio/coroutine.hpp>
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/steady_timer.hpp>
+#include <asio/use_future.hpp>
+#include <asio/write.hpp>
+#include <functional>
+#include <iostream>
+#include <memory>
+#include <sstream>
+#include <string>
+#include <type_traits>
+#include <utility>
+
+using asio::ip::tcp;
+
+// NOTE: This example requires the new asio::async_compose function. For
+// an example that works with the Networking TS style of completion tokens,
+// please see an older version of asio.
+
+//------------------------------------------------------------------------------
+
+// This composed operation shows composition of multiple underlying operations,
+// using asio's stackless coroutines support to express the flow of control. It
+// automatically serialises a message, using its I/O streams insertion
+// operator, before sending it N times on the socket. To do this, it must
+// allocate a buffer for the encoded message and ensure this buffer's validity
+// until all underlying async_write operation complete. A one second delay is
+// inserted prior to each write operation, using a steady_timer.
+
+#include <asio/yield.hpp>
+
+template <typename T, typename CompletionToken>
+auto async_write_messages(tcp::socket& socket,
+    const T& message, std::size_t repeat_count,
+    CompletionToken&& token)
+  // The return type of the initiating function is deduced from the combination
+  // of CompletionToken type and the completion handler's signature. When the
+  // completion token is a simple callback, the return type is always void.
+  // In this example, when the completion token is asio::yield_context
+  // (used for stackful coroutines) the return type would be also be void, as
+  // there is no non-error argument to the completion handler. When the
+  // completion token is asio::use_future it would be std::future<void>.
+  //
+  // In C++14 we can omit the return type as it is automatically deduced from
+  // the return type of asio::async_initiate.
+{
+  // Encode the message and copy it into an allocated buffer. The buffer will
+  // be maintained for the lifetime of the composed asynchronous operation.
+  std::ostringstream os;
+  os << message;
+  std::unique_ptr<std::string> encoded_message(new std::string(os.str()));
+
+  // Create a steady_timer to be used for the delay between messages.
+  std::unique_ptr<asio::steady_timer> delay_timer(
+      new asio::steady_timer(socket.get_executor()));
+
+  // The asio::async_compose function takes:
+  //
+  // - our asynchronous operation implementation,
+  // - the completion token,
+  // - the completion handler signature, and
+  // - any I/O objects (or executors) used by the operation
+  //
+  // It then wraps our implementation, which is implemented here as a stackless
+  // coroutine in a lambda, in an intermediate completion handler that meets the
+  // requirements of a conforming asynchronous operation. This includes
+  // tracking outstanding work against the I/O executors associated with the
+  // operation (in this example, this is the socket's executor).
+  //
+  // The first argument to our lambda is a reference to the enclosing
+  // intermediate completion handler. This intermediate completion handler is
+  // provided for us by the asio::async_compose function, and takes care
+  // of all the details required to implement a conforming asynchronous
+  // operation. When calling an underlying asynchronous operation, we pass it
+  // this enclosing intermediate completion handler as the completion token.
+  //
+  // All arguments to our lambda after the first must be defaulted to allow the
+  // state machine to be started, as well as to allow the completion handler to
+  // match the completion signature of both the async_write and
+  // steady_timer::async_wait operations.
+  return asio::async_compose<
+    CompletionToken, void(std::error_code)>(
+      [
+        // The implementation holds a reference to the socket as it is used for
+        // multiple async_write operations.
+        &socket,
+
+        // The allocated buffer for the encoded message. The std::unique_ptr
+        // smart pointer is move-only, and as a consequence our lambda
+        // implementation is also move-only.
+        encoded_message = std::move(encoded_message),
+
+        // The repeat count remaining.
+        repeat_count,
+
+        // A steady timer used for introducing a delay.
+        delay_timer = std::move(delay_timer),
+
+        // The coroutine state.
+        coro = asio::coroutine()
+      ]
+      (
+        auto& self,
+        const std::error_code& error = {},
+        std::size_t = 0
+      ) mutable
+      {
+        reenter (coro)
+        {
+          while (repeat_count > 0)
+          {
+            --repeat_count;
+
+            delay_timer->expires_after(std::chrono::seconds(1));
+            yield delay_timer->async_wait(std::move(self));
+            if (error)
+              break;
+
+            yield asio::async_write(socket,
+                asio::buffer(*encoded_message), std::move(self));
+            if (error)
+              break;
+          }
+
+          // Deallocate the encoded message and delay timer before calling the
+          // user-supplied completion handler.
+          encoded_message.reset();
+          delay_timer.reset();
+
+          // Call the user-supplied handler with the result of the operation.
+          self.complete(error);
+        }
+      },
+      token, socket);
+}
+
+#include <asio/unyield.hpp>
+
+//------------------------------------------------------------------------------
+
+void test_callback()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using a lambda as a callback.
+  async_write_messages(socket, "Testing callback\r\n", 5,
+      [](const std::error_code& error)
+      {
+        if (!error)
+        {
+          std::cout << "Messages sent\n";
+        }
+        else
+        {
+          std::cout << "Error: " << error.message() << "\n";
+        }
+      });
+
+  io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_future()
+{
+  asio::io_context io_context;
+
+  tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+  tcp::socket socket = acceptor.accept();
+
+  // Test our asynchronous operation using the use_future completion token.
+  // This token causes the operation's initiating function to return a future,
+  // which may be used to synchronously wait for the result of the operation.
+  std::future<void> f = async_write_messages(
+      socket, "Testing future\r\n", 5, asio::use_future);
+
+  io_context.run();
+
+  try
+  {
+    // Get the result of the operation.
+    f.get();
+    std::cout << "Messages sent\n";
+  }
+  catch (const std::exception& e)
+  {
+    std::cout << "Error: " << e.what() << "\n";
+  }
+}
+
+//------------------------------------------------------------------------------
+
+int main()
+{
+  test_callback();
+  test_future();
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp17/Makefile.am b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp17/Makefile.am
new file mode 100644
index 0000000..e87b52d
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp17/Makefile.am
@@ -0,0 +1,8 @@
+EXTRA_DIST = \
+	coroutines_ts/chat_server.cpp \
+	coroutines_ts/echo_server.cpp \
+	coroutines_ts/range_based_for.cpp \
+	coroutines_ts/refactored_echo_server.cpp
+
+MAINTAINERCLEANFILES = \
+	$(srcdir)/Makefile.in
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp17/coroutines_ts/chat_server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp17/coroutines_ts/chat_server.cpp
new file mode 100644
index 0000000..4362250
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp17/coroutines_ts/chat_server.cpp
@@ -0,0 +1,225 @@
+//
+// chat_server.cpp
+// ~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <cstdlib>
+#include <deque>
+#include <iostream>
+#include <list>
+#include <memory>
+#include <set>
+#include <string>
+#include <utility>
+#include <asio/awaitable.hpp>
+#include <asio/detached.hpp>
+#include <asio/co_spawn.hpp>
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/read_until.hpp>
+#include <asio/redirect_error.hpp>
+#include <asio/signal_set.hpp>
+#include <asio/steady_timer.hpp>
+#include <asio/use_awaitable.hpp>
+#include <asio/write.hpp>
+
+using asio::ip::tcp;
+using asio::awaitable;
+using asio::co_spawn;
+using asio::detached;
+using asio::redirect_error;
+using asio::use_awaitable;
+
+//----------------------------------------------------------------------
+
+class chat_participant
+{
+public:
+  virtual ~chat_participant() {}
+  virtual void deliver(const std::string& msg) = 0;
+};
+
+typedef std::shared_ptr<chat_participant> chat_participant_ptr;
+
+//----------------------------------------------------------------------
+
+class chat_room
+{
+public:
+  void join(chat_participant_ptr participant)
+  {
+    participants_.insert(participant);
+    for (auto msg: recent_msgs_)
+      participant->deliver(msg);
+  }
+
+  void leave(chat_participant_ptr participant)
+  {
+    participants_.erase(participant);
+  }
+
+  void deliver(const std::string& msg)
+  {
+    recent_msgs_.push_back(msg);
+    while (recent_msgs_.size() > max_recent_msgs)
+      recent_msgs_.pop_front();
+
+    for (auto participant: participants_)
+      participant->deliver(msg);
+  }
+
+private:
+  std::set<chat_participant_ptr> participants_;
+  enum { max_recent_msgs = 100 };
+  std::deque<std::string> recent_msgs_;
+};
+
+//----------------------------------------------------------------------
+
+class chat_session
+  : public chat_participant,
+    public std::enable_shared_from_this<chat_session>
+{
+public:
+  chat_session(tcp::socket socket, chat_room& room)
+    : socket_(std::move(socket)),
+      timer_(socket_.get_executor()),
+      room_(room)
+  {
+    timer_.expires_at(std::chrono::steady_clock::time_point::max());
+  }
+
+  void start()
+  {
+    room_.join(shared_from_this());
+
+    co_spawn(socket_.get_executor(),
+        [self = shared_from_this()]{ return self->reader(); },
+        detached);
+
+    co_spawn(socket_.get_executor(),
+        [self = shared_from_this()]{ return self->writer(); },
+        detached);
+  }
+
+  void deliver(const std::string& msg)
+  {
+    write_msgs_.push_back(msg);
+    timer_.cancel_one();
+  }
+
+private:
+  awaitable<void> reader()
+  {
+    try
+    {
+      for (std::string read_msg;;)
+      {
+        std::size_t n = co_await asio::async_read_until(socket_,
+            asio::dynamic_buffer(read_msg, 1024), "\n", use_awaitable);
+
+        room_.deliver(read_msg.substr(0, n));
+        read_msg.erase(0, n);
+      }
+    }
+    catch (std::exception&)
+    {
+      stop();
+    }
+  }
+
+  awaitable<void> writer()
+  {
+    try
+    {
+      while (socket_.is_open())
+      {
+        if (write_msgs_.empty())
+        {
+          asio::error_code ec;
+          co_await timer_.async_wait(redirect_error(use_awaitable, ec));
+        }
+        else
+        {
+          co_await asio::async_write(socket_,
+              asio::buffer(write_msgs_.front()), use_awaitable);
+          write_msgs_.pop_front();
+        }
+      }
+    }
+    catch (std::exception&)
+    {
+      stop();
+    }
+  }
+
+  void stop()
+  {
+    room_.leave(shared_from_this());
+    socket_.close();
+    timer_.cancel();
+  }
+
+  tcp::socket socket_;
+  asio::steady_timer timer_;
+  chat_room& room_;
+  std::deque<std::string> write_msgs_;
+};
+
+//----------------------------------------------------------------------
+
+awaitable<void> listener(tcp::acceptor acceptor)
+{
+  chat_room room;
+
+  for (;;)
+  {
+    std::make_shared<chat_session>(
+        co_await acceptor.async_accept(use_awaitable),
+        room
+      )->start();
+  }
+}
+
+//----------------------------------------------------------------------
+
+int main(int argc, char* argv[])
+{
+  try
+  {
+    if (argc < 2)
+    {
+      std::cerr << "Usage: chat_server <port> [<port> ...]\n";
+      return 1;
+    }
+
+    asio::io_context io_context(1);
+
+    for (int i = 1; i < argc; ++i)
+    {
+      unsigned short port = std::atoi(argv[i]);
+      co_spawn(io_context,
+          [&io_context, port]
+          {
+            return listener(tcp::acceptor(io_context, {tcp::v4(), port}));
+          },
+          detached);
+    }
+
+    asio::signal_set signals(io_context, SIGINT, SIGTERM);
+    signals.async_wait([&](auto, auto){ io_context.stop(); });
+
+    io_context.run();
+  }
+  catch (std::exception& e)
+  {
+    std::cerr << "Exception: " << e.what() << "\n";
+  }
+
+  return 0;
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp17/coroutines_ts/echo_server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp17/coroutines_ts/echo_server.cpp
new file mode 100644
index 0000000..290f21b
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp17/coroutines_ts/echo_server.cpp
@@ -0,0 +1,76 @@
+//
+// echo_server.cpp
+// ~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/co_spawn.hpp>
+#include <asio/detached.hpp>
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/signal_set.hpp>
+#include <asio/write.hpp>
+#include <cstdio>
+
+using asio::ip::tcp;
+using asio::awaitable;
+using asio::co_spawn;
+using asio::detached;
+using asio::use_awaitable;
+namespace this_coro = asio::this_coro;
+
+awaitable<void> echo(tcp::socket socket)
+{
+  try
+  {
+    char data[1024];
+    for (;;)
+    {
+      std::size_t n = co_await socket.async_read_some(asio::buffer(data), use_awaitable);
+      co_await async_write(socket, asio::buffer(data, n), use_awaitable);
+    }
+  }
+  catch (std::exception& e)
+  {
+    std::printf("echo Exception: %s\n", e.what());
+  }
+}
+
+awaitable<void> listener()
+{
+  auto executor = co_await this_coro::executor;
+  tcp::acceptor acceptor(executor, {tcp::v4(), 55555});
+  for (;;)
+  {
+    tcp::socket socket = co_await acceptor.async_accept(use_awaitable);
+    co_spawn(executor,
+        [socket = std::move(socket)]() mutable
+        {
+          return echo(std::move(socket));
+        },
+        detached);
+  }
+}
+
+int main()
+{
+  try
+  {
+    asio::io_context io_context(1);
+
+    asio::signal_set signals(io_context, SIGINT, SIGTERM);
+    signals.async_wait([&](auto, auto){ io_context.stop(); });
+
+    co_spawn(io_context, listener, detached);
+
+    io_context.run();
+  }
+  catch (std::exception& e)
+  {
+    std::printf("Exception: %s\n", e.what());
+  }
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp17/coroutines_ts/range_based_for.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp17/coroutines_ts/range_based_for.cpp
new file mode 100644
index 0000000..5708c6e
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp17/coroutines_ts/range_based_for.cpp
@@ -0,0 +1,107 @@
+//
+// range_based_for.cpp
+// ~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/co_spawn.hpp>
+#include <asio/detached.hpp>
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/signal_set.hpp>
+#include <asio/write.hpp>
+#include <cstdio>
+
+using asio::ip::tcp;
+using asio::awaitable;
+using asio::co_spawn;
+using asio::detached;
+using asio::use_awaitable;
+
+class connection_iter
+{
+  friend class connections;
+  tcp::acceptor* acceptor_ = nullptr;
+  tcp::socket socket_;
+
+  connection_iter(tcp::acceptor& a, tcp::socket s)
+    : acceptor_(&a), socket_(std::move(s)) {}
+
+public:
+  tcp::socket operator*()
+  {
+    return std::move(socket_);
+  }
+
+  awaitable<void> operator++()
+  {
+    socket_ = co_await acceptor_->async_accept(use_awaitable);
+  }
+
+  bool operator==(const connection_iter&) const noexcept
+  {
+    return false;
+  }
+
+  bool operator!=(const connection_iter&) const noexcept
+  {
+    return true;
+  }
+};
+
+class connections
+{
+  tcp::acceptor& acceptor_;
+
+public:
+  explicit connections(tcp::acceptor& a) : acceptor_(a) {}
+
+  awaitable<connection_iter> begin()
+  {
+    tcp::socket s = co_await acceptor_.async_accept(use_awaitable);
+    co_return connection_iter(acceptor_, std::move(s));
+  }
+
+  connection_iter end()
+  {
+    return connection_iter(acceptor_,
+        tcp::socket(acceptor_.get_executor()));
+  }
+};
+
+awaitable<void> listener(tcp::acceptor acceptor)
+{
+  for co_await (tcp::socket s : connections(acceptor))
+  {
+    co_await asio::async_write(s, asio::buffer("hello\r\n", 7), use_awaitable);
+  }
+}
+
+int main()
+{
+  try
+  {
+    asio::io_context io_context(1);
+
+    asio::signal_set signals(io_context, SIGINT, SIGTERM);
+    signals.async_wait([&](auto, auto){ io_context.stop(); });
+
+    tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+    co_spawn(io_context,
+        [acceptor = std::move(acceptor)]() mutable
+        {
+          return listener(std::move(acceptor));
+        },
+        detached);
+
+    io_context.run();
+  }
+  catch (std::exception& e)
+  {
+    std::printf("Exception: %s\n", e.what());
+  }
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp17/coroutines_ts/refactored_echo_server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp17/coroutines_ts/refactored_echo_server.cpp
new file mode 100644
index 0000000..aff1b23
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/examples/cpp17/coroutines_ts/refactored_echo_server.cpp
@@ -0,0 +1,85 @@
+//
+// refactored_echo_server.cpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/co_spawn.hpp>
+#include <asio/detached.hpp>
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/signal_set.hpp>
+#include <asio/write.hpp>
+#include <cstdio>
+
+using asio::ip::tcp;
+using asio::awaitable;
+using asio::co_spawn;
+using asio::detached;
+using asio::use_awaitable;
+namespace this_coro = asio::this_coro;
+
+awaitable<void> echo_once(tcp::socket& socket)
+{
+  char data[128];
+  std::size_t n = co_await socket.async_read_some(asio::buffer(data), use_awaitable);
+  co_await async_write(socket, asio::buffer(data, n), use_awaitable);
+}
+
+awaitable<void> echo(tcp::socket socket)
+{
+  try
+  {
+    for (;;)
+    {
+      // The asynchronous operations to echo a single chunk of data have been
+      // refactored into a separate function. When this function is called, the
+      // operations are still performed in the context of the current
+      // coroutine, and the behaviour is functionally equivalent.
+      co_await echo_once(socket);
+    }
+  }
+  catch (std::exception& e)
+  {
+    std::printf("echo Exception: %s\n", e.what());
+  }
+}
+
+awaitable<void> listener()
+{
+  auto executor = co_await this_coro::executor;
+  tcp::acceptor acceptor(executor, {tcp::v4(), 55555});
+  for (;;)
+  {
+    tcp::socket socket = co_await acceptor.async_accept(use_awaitable);
+    co_spawn(executor,
+        [socket = std::move(socket)]() mutable
+        {
+          return echo(std::move(socket));
+        },
+        detached);
+  }
+}
+
+int main()
+{
+  try
+  {
+    asio::io_context io_context(1);
+
+    asio::signal_set signals(io_context, SIGINT, SIGTERM);
+    signals.async_wait([&](auto, auto){ io_context.stop(); });
+
+    co_spawn(io_context, listener, detached);
+
+    io_context.run();
+  }
+  catch (std::exception& e)
+  {
+    std::printf("Exception: %s\n", e.what());
+  }
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/Makefile.am b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/Makefile.am
index fe5e1d8..4c7ffd2 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/Makefile.am
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/Makefile.am
@@ -13,12 +13,14 @@ check_PROGRAMS = \
 	unit/associated_allocator \
 	unit/associated_executor \
 	unit/async_result \
+	unit/awaitable \
 	unit/basic_datagram_socket \
 	unit/basic_deadline_timer \
 	unit/basic_raw_socket \
 	unit/basic_seq_packet_socket \
 	unit/basic_serial_port \
 	unit/basic_signal_set \
+	unit/basic_socket \
 	unit/basic_socket_acceptor \
 	unit/basic_stream_socket \
 	unit/basic_streambuf \
@@ -29,13 +31,14 @@ check_PROGRAMS = \
 	unit/buffered_write_stream \
 	unit/buffer \
 	unit/buffers_iterator \
+	unit/co_spawn \
 	unit/completion_condition \
+	unit/compose \
 	unit/connect \
 	unit/coroutine \
-	unit/datagram_socket_service \
-	unit/deadline_timer_service \
 	unit/deadline_timer \
 	unit/defer \
+	unit/detached \
 	unit/dispatch \
 	unit/error \
 	unit/execution_context \
@@ -48,6 +51,7 @@ check_PROGRAMS = \
 	unit/generic/stream_protocol \
 	unit/high_resolution_timer \
 	unit/io_context \
+	unit/io_context_strand \
 	unit/ip/address \
 	unit/ip/address_v4 \
 	unit/ip/address_v4_iterator \
@@ -66,7 +70,6 @@ check_PROGRAMS = \
 	unit/ip/network_v4 \
 	unit/ip/network_v6 \
 	unit/ip/resolver_query_base \
-	unit/ip/resolver_service \
 	unit/ip/tcp \
 	unit/ip/udp \
 	unit/ip/unicast \
@@ -84,27 +87,22 @@ check_PROGRAMS = \
 	unit/posix/descriptor \
 	unit/posix/descriptor_base \
 	unit/posix/stream_descriptor \
-	unit/posix/stream_descriptor_service \
 	unit/post \
-	unit/raw_socket_service \
 	unit/read \
 	unit/read_at \
 	unit/read_until \
-	unit/seq_packet_socket_service \
+	unit/redirect_error \
 	unit/serial_port \
 	unit/serial_port_base \
-	unit/serial_port_service \
 	unit/signal_set \
-	unit/signal_set_service \
-	unit/socket_acceptor_service \
 	unit/socket_base \
 	unit/steady_timer \
 	unit/strand \
-	unit/stream_socket_service \
 	unit/streambuf \
 	unit/system_context \
 	unit/system_executor \
 	unit/system_timer \
+	unit/this_coro \
 	unit/thread \
 	unit/time_traits \
 	unit/ts/buffer \
@@ -115,22 +113,19 @@ check_PROGRAMS = \
 	unit/ts/netfwd \
 	unit/ts/socket \
 	unit/ts/timer \
+	unit/use_awaitable \
 	unit/use_future \
 	unit/uses_executor \
 	unit/wait_traits \
-	unit/waitable_timer_service \
-	unit/windows/basic_handle \
 	unit/windows/basic_object_handle \
+	unit/windows/basic_overlapped_handle \
 	unit/windows/basic_random_access_handle \
 	unit/windows/basic_stream_handle \
 	unit/windows/object_handle \
-	unit/windows/object_handle_service \
 	unit/windows/overlapped_handle \
 	unit/windows/overlapped_ptr \
 	unit/windows/random_access_handle \
-	unit/windows/random_access_handle_service \
 	unit/windows/stream_handle \
-	unit/windows/stream_handle_service \
 	unit/write \
 	unit/write_at
 
@@ -158,12 +153,14 @@ TESTS = \
 	unit/associated_allocator \
 	unit/associated_executor \
 	unit/async_result \
+	unit/awaitable \
 	unit/basic_datagram_socket \
 	unit/basic_deadline_timer \
 	unit/basic_raw_socket \
 	unit/basic_seq_packet_socket \
 	unit/basic_serial_port \
 	unit/basic_signal_set \
+	unit/basic_socket \
 	unit/basic_socket_acceptor \
 	unit/basic_stream_socket \
 	unit/basic_streambuf \
@@ -174,12 +171,13 @@ TESTS = \
 	unit/buffered_write_stream \
 	unit/buffer \
 	unit/buffers_iterator \
+	unit/co_spawn \
 	unit/completion_condition \
+	unit/compose \
 	unit/connect \
-	unit/datagram_socket_service \
-	unit/deadline_timer_service \
 	unit/deadline_timer \
 	unit/defer \
+	unit/detached \
 	unit/dispatch \
 	unit/error \
 	unit/execution_context \
@@ -187,6 +185,7 @@ TESTS = \
 	unit/executor_work_guard \
 	unit/high_resolution_timer \
 	unit/io_context \
+	unit/io_context_strand \
 	unit/ip/address \
 	unit/ip/address_v4 \
 	unit/ip/address_v4_iterator \
@@ -205,7 +204,6 @@ TESTS = \
 	unit/ip/network_v4 \
 	unit/ip/network_v6 \
 	unit/ip/resolver_query_base \
-	unit/ip/resolver_service \
 	unit/ip/tcp \
 	unit/ip/udp \
 	unit/ip/unicast \
@@ -218,32 +216,27 @@ TESTS = \
 	unit/local/stream_protocol \
 	unit/packaged_task \
 	unit/placeholders \
-	unit/posix/basic_descriptor \
-	unit/posix/basic_stream_descriptor \
+	unit/posix/basic_descriptor\
+	unit/posix/basic_stream_descriptor\
 	unit/posix/descriptor\
 	unit/posix/descriptor_base \
 	unit/posix/stream_descriptor \
-	unit/posix/stream_descriptor_service \
 	unit/post \
-	unit/raw_socket_service \
 	unit/read \
 	unit/read_at \
 	unit/read_until \
-	unit/seq_packet_socket_service \
+	unit/redirect_error \
 	unit/serial_port \
 	unit/serial_port_base \
-	unit/serial_port_service \
 	unit/signal_set \
-	unit/signal_set_service \
-	unit/socket_acceptor_service \
 	unit/socket_base \
 	unit/steady_timer \
 	unit/strand \
-	unit/stream_socket_service \
 	unit/streambuf \
 	unit/system_context \
 	unit/system_executor \
 	unit/system_timer \
+	unit/this_coro \
 	unit/thread \
 	unit/time_traits \
 	unit/ts/buffer \
@@ -254,22 +247,19 @@ TESTS = \
 	unit/ts/netfwd \
 	unit/ts/socket \
 	unit/ts/timer \
+	unit/use_awaitable \
 	unit/use_future \
 	unit/uses_executor \
 	unit/wait_traits \
-	unit/waitable_timer_service \
-	unit/windows/basic_handle \
 	unit/windows/basic_object_handle \
+	unit/windows/basic_overlapped_handle \
 	unit/windows/basic_random_access_handle \
 	unit/windows/basic_stream_handle \
 	unit/windows/object_handle \
-	unit/windows/object_handle_service \
 	unit/windows/overlapped_handle \
 	unit/windows/overlapped_ptr \
 	unit/windows/random_access_handle \
-	unit/windows/random_access_handle_service \
 	unit/windows/stream_handle \
-	unit/windows/stream_handle_service \
 	unit/write \
 	unit/write_at
 
@@ -301,12 +291,14 @@ endif
 unit_associated_allocator_SOURCES = unit/associated_allocator.cpp
 unit_associated_executor_SOURCES = unit/associated_executor.cpp
 unit_async_result_SOURCES = unit/async_result.cpp
+unit_awaitable_SOURCES = unit/awaitable.cpp
 unit_basic_datagram_socket_SOURCES = unit/basic_datagram_socket.cpp
 unit_basic_deadline_timer_SOURCES = unit/basic_deadline_timer.cpp
 unit_basic_raw_socket_SOURCES = unit/basic_raw_socket.cpp
 unit_basic_seq_packet_socket_SOURCES = unit/basic_seq_packet_socket.cpp
 unit_basic_serial_port_SOURCES = unit/basic_serial_port.cpp
 unit_basic_signal_set_SOURCES = unit/basic_signal_set.cpp
+unit_basic_socket_SOURCES = unit/basic_socket.cpp
 unit_basic_socket_acceptor_SOURCES = unit/basic_socket_acceptor.cpp
 unit_basic_stream_socket_SOURCES = unit/basic_stream_socket.cpp
 unit_basic_streambuf_SOURCES = unit/basic_streambuf.cpp
@@ -317,13 +309,14 @@ unit_buffers_iterator_SOURCES = unit/buffers_iterator.cpp
 unit_buffered_read_stream_SOURCES = unit/buffered_read_stream.cpp
 unit_buffered_stream_SOURCES = unit/buffered_stream.cpp
 unit_buffered_write_stream_SOURCES = unit/buffered_write_stream.cpp
+unit_co_spawn_SOURCES = unit/co_spawn.cpp
 unit_completion_condition_SOURCES = unit/completion_condition.cpp
+unit_compose_SOURCES = unit/compose.cpp
 unit_connect_SOURCES = unit/connect.cpp
 unit_coroutine_SOURCES = unit/coroutine.cpp
-unit_datagram_socket_service_SOURCES = unit/datagram_socket_service.cpp
-unit_deadline_timer_service_SOURCES = unit/deadline_timer_service.cpp
 unit_deadline_timer_SOURCES = unit/deadline_timer.cpp
 unit_defer_SOURCES = unit/defer.cpp
+unit_detached_SOURCES = unit/detached.cpp
 unit_dispatch_SOURCES = unit/dispatch.cpp
 unit_error_SOURCES = unit/error.cpp
 unit_execution_context_SOURCES = unit/execution_context.cpp
@@ -336,6 +329,7 @@ unit_generic_seq_packet_protocol_SOURCES = unit/generic/seq_packet_protocol.cpp
 unit_generic_stream_protocol_SOURCES = unit/generic/stream_protocol.cpp
 unit_high_resolution_timer_SOURCES = unit/high_resolution_timer.cpp
 unit_io_context_SOURCES = unit/io_context.cpp
+unit_io_context_strand_SOURCES = unit/io_context_strand.cpp
 unit_ip_address_SOURCES = unit/ip/address.cpp
 unit_ip_address_v4_SOURCES = unit/ip/address_v4.cpp
 unit_ip_address_v4_iterator_SOURCES = unit/ip/address_v4_iterator.cpp
@@ -354,7 +348,6 @@ unit_ip_multicast_SOURCES = unit/ip/multicast.cpp
 unit_ip_network_v4_SOURCES = unit/ip/network_v4.cpp
 unit_ip_network_v6_SOURCES = unit/ip/network_v6.cpp
 unit_ip_resolver_query_base_SOURCES = unit/ip/resolver_query_base.cpp
-unit_ip_resolver_service_SOURCES = unit/ip/resolver_service.cpp
 unit_ip_tcp_SOURCES = unit/ip/tcp.cpp
 unit_ip_udp_SOURCES = unit/ip/udp.cpp
 unit_ip_unicast_SOURCES = unit/ip/unicast.cpp
@@ -372,27 +365,22 @@ unit_posix_basic_stream_descriptor_SOURCES = unit/posix/basic_stream_descriptor.
 unit_posix_descriptor_SOURCES = unit/posix/descriptor.cpp
 unit_posix_descriptor_base_SOURCES = unit/posix/descriptor_base.cpp
 unit_posix_stream_descriptor_SOURCES = unit/posix/stream_descriptor.cpp
-unit_posix_stream_descriptor_service_SOURCES = unit/posix/stream_descriptor_service.cpp
 unit_post_SOURCES = unit/post.cpp
-unit_raw_socket_service_SOURCES = unit/raw_socket_service.cpp
 unit_read_SOURCES = unit/read.cpp
 unit_read_at_SOURCES = unit/read_at.cpp
 unit_read_until_SOURCES = unit/read_until.cpp
-unit_seq_packet_socket_service_SOURCES = unit/seq_packet_socket_service.cpp
+unit_redirect_error_SOURCES = unit/redirect_error.cpp
 unit_serial_port_SOURCES = unit/serial_port.cpp
 unit_serial_port_base_SOURCES = unit/serial_port_base.cpp
-unit_serial_port_service_SOURCES = unit/serial_port_service.cpp
 unit_signal_set_SOURCES = unit/signal_set.cpp
-unit_signal_set_service_SOURCES = unit/signal_set_service.cpp
-unit_socket_acceptor_service_SOURCES = unit/socket_acceptor_service.cpp
 unit_socket_base_SOURCES = unit/socket_base.cpp
 unit_steady_timer_SOURCES = unit/steady_timer.cpp
 unit_strand_SOURCES = unit/strand.cpp
-unit_stream_socket_service_SOURCES = unit/stream_socket_service.cpp
 unit_streambuf_SOURCES = unit/streambuf.cpp
 unit_system_context_SOURCES = unit/system_context.cpp
 unit_system_executor_SOURCES = unit/system_executor.cpp
 unit_system_timer_SOURCES = unit/system_timer.cpp
+unit_this_coro_SOURCES = unit/this_coro.cpp
 unit_thread_SOURCES = unit/thread.cpp
 unit_time_traits_SOURCES = unit/time_traits.cpp
 unit_ts_buffer_SOURCES = unit/ts/buffer.cpp
@@ -403,22 +391,19 @@ unit_ts_net_SOURCES = unit/ts/net.cpp
 unit_ts_netfwd_SOURCES = unit/ts/netfwd.cpp
 unit_ts_socket_SOURCES = unit/ts/socket.cpp
 unit_ts_timer_SOURCES = unit/ts/timer.cpp
+unit_use_awaitable_SOURCES = unit/use_awaitable.cpp
 unit_use_future_SOURCES = unit/use_future.cpp
 unit_uses_executor_SOURCES = unit/uses_executor.cpp
 unit_wait_traits_SOURCES = unit/wait_traits.cpp
-unit_waitable_timer_service_SOURCES = unit/waitable_timer_service.cpp
-unit_windows_basic_handle_SOURCES = unit/windows/basic_handle.cpp
 unit_windows_basic_object_handle_SOURCES = unit/windows/basic_object_handle.cpp
+unit_windows_basic_overlapped_handle_SOURCES = unit/windows/basic_overlapped_handle.cpp
 unit_windows_basic_random_access_handle_SOURCES = unit/windows/basic_random_access_handle.cpp
 unit_windows_basic_stream_handle_SOURCES = unit/windows/basic_stream_handle.cpp
 unit_windows_object_handle_SOURCES = unit/windows/object_handle.cpp
-unit_windows_object_handle_service_SOURCES = unit/windows/object_handle_service.cpp
 unit_windows_overlapped_handle_SOURCES = unit/windows/overlapped_handle.cpp
 unit_windows_overlapped_ptr_SOURCES = unit/windows/overlapped_ptr.cpp
 unit_windows_random_access_handle_SOURCES = unit/windows/random_access_handle.cpp
-unit_windows_random_access_handle_service_SOURCES = unit/windows/random_access_handle_service.cpp
 unit_windows_stream_handle_SOURCES = unit/windows/stream_handle.cpp
-unit_windows_stream_handle_service_SOURCES = unit/windows/stream_handle_service.cpp
 unit_write_SOURCES = unit/write.cpp
 unit_write_at_SOURCES = unit/write_at.cpp
 
@@ -436,8 +421,6 @@ EXTRA_DIST = \
 	performance/handler_allocator.hpp \
 	unit/archetypes/async_ops.hpp \
 	unit/archetypes/async_result.hpp \
-	unit/archetypes/deprecated_async_result.hpp \
-	unit/archetypes/deprecated_async_ops.hpp \
 	unit/archetypes/gettable_socket_option.hpp \
 	unit/archetypes/io_control_command.hpp \
 	unit/archetypes/settable_socket_option.hpp
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/latency/allocator.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/latency/allocator.hpp
index 92c4ab4..c416943 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/latency/allocator.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/latency/allocator.hpp
@@ -2,7 +2,7 @@
 // allocator.hpp
 // ~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/latency/high_res_clock.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/latency/high_res_clock.hpp
index dac3ea1..5c7a522 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/latency/high_res_clock.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/latency/high_res_clock.hpp
@@ -2,7 +2,7 @@
 // high_res_clock.hpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/latency/tcp_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/latency/tcp_client.cpp
index 3a06622..4e144e1 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/latency/tcp_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/latency/tcp_client.cpp
@@ -2,7 +2,7 @@
 // tcp_client.cpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/latency/tcp_server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/latency/tcp_server.cpp
index bd58ff7..986217c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/latency/tcp_server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/latency/tcp_server.cpp
@@ -2,7 +2,7 @@
 // tcp_server.cpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -27,7 +27,7 @@ class tcp_server : asio::coroutine
 public:
   tcp_server(tcp::acceptor& acceptor, std::size_t buf_size) :
     acceptor_(acceptor),
-    socket_(acceptor_.get_executor().context()),
+    socket_(acceptor_.get_executor()),
     buffer_(buf_size)
   {
   }
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/latency/udp_client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/latency/udp_client.cpp
index 2cb910e..903fdb9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/latency/udp_client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/latency/udp_client.cpp
@@ -2,7 +2,7 @@
 // udp_client.cpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/latency/udp_server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/latency/udp_server.cpp
index 11d26d3..3953b75 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/latency/udp_server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/latency/udp_server.cpp
@@ -2,7 +2,7 @@
 // udp_server.cpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/performance/client.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/performance/client.cpp
index 86cf92c..80dec8e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/performance/client.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/performance/client.cpp
@@ -2,7 +2,7 @@
 // client.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -198,7 +198,7 @@ public:
       sessions_(),
       stats_()
   {
-    stop_timer_.expires_from_now(boost::posix_time::seconds(timeout));
+    stop_timer_.expires_after(asio::chrono::seconds(timeout));
     stop_timer_.async_wait(boost::bind(&client::handle_timeout, this));
 
     for (size_t i = 0; i < session_count; ++i)
@@ -228,7 +228,7 @@ public:
 
 private:
   asio::io_context& io_context_;
-  asio::deadline_timer stop_timer_;
+  asio::steady_timer stop_timer_;
   std::list<session*> sessions_;
   stats stats_;
 };
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/performance/handler_allocator.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/performance/handler_allocator.hpp
index db748d9..b3df32a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/performance/handler_allocator.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/performance/handler_allocator.hpp
@@ -2,7 +2,7 @@
 // handler_allocator.cpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/performance/server.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/performance/server.cpp
index 08a14e8..9abcb73 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/performance/server.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/performance/server.cpp
@@ -2,7 +2,7 @@
 // server.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/.gitignore b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/.gitignore
index 7c5a38a..e9c6f36 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/.gitignore
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/.gitignore
@@ -10,12 +10,14 @@
 associated_allocator
 associated_executor
 async_result
+awaitable
 basic_datagram_socket
 basic_deadline_timer
 basic_raw_socket
 basic_seq_packet_socket
 basic_serial_port
 basic_signal_set
+basic_socket
 basic_socket_acceptor
 basic_stream_socket
 basic_streambuf
@@ -26,13 +28,14 @@ buffered_read_stream
 buffered_stream
 buffered_write_stream
 buffers_iterator
+co_spawn
 completion_condition
+compose
 connect
 coroutine
-datagram_socket_service
 deadline_timer
-deadline_timer_service
 defer
+detached
 dispatch
 error
 error_handler
@@ -47,30 +50,26 @@ is_write_buffered
 packaged_task
 placeholders
 post
-raw_socket_service
 read
 read_at
 read_until
-seq_packet_socket_service
+redirect_error
 serial_port
 serial_port_base
-serial_port_service
 signal_set
-signal_set_service
-socket_acceptor_service
 socket_base
 steady_timer
 strand
-stream_socket_service
 streambuf
 system_context
 system_executor
 system_timer
+this_coro
 thread
 time_traits
+use_awaitable
 use_future
 uses_executor
 wait_traits
-waitable_timer_service
 write
 write_at
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/async_ops.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/async_ops.hpp
index fd1311d..38e6f76 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/async_ops.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/async_ops.hpp
@@ -2,7 +2,7 @@
 // async_ops.hpp
 // ~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/async_result.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/async_result.hpp
index 2950d9d..1609e75 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/async_result.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/async_result.hpp
@@ -2,7 +2,7 @@
 // async_result.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -19,19 +19,35 @@ struct lazy_handler
 {
 };
 
-struct concrete_handler
+template <typename Signature>
+struct concrete_handler;
+
+template <typename R, typename Arg1>
+struct concrete_handler<R(Arg1)>
 {
   concrete_handler(lazy_handler)
   {
   }
 
-  template <typename Arg1>
-  void operator()(Arg1)
+  void operator()(typename asio::decay<Arg1>::type)
   {
   }
 
-  template <typename Arg1, typename Arg2>
-  void operator()(Arg1, Arg2)
+#if defined(ASIO_HAS_MOVE)
+  concrete_handler(concrete_handler&&) {}
+private:
+  concrete_handler(const concrete_handler&);
+#endif // defined(ASIO_HAS_MOVE)
+};
+
+template <typename R, typename Arg1, typename Arg2>
+struct concrete_handler<R(Arg1, Arg2)>
+{
+  concrete_handler(lazy_handler)
+  {
+  }
+
+  void operator()(typename asio::decay<Arg1>::type, typename asio::decay<Arg2>::type)
   {
   }
 
@@ -51,7 +67,7 @@ class async_result<archetypes::lazy_handler, Signature>
 {
 public:
   // The concrete completion handler type.
-  typedef archetypes::concrete_handler completion_handler_type;
+  typedef archetypes::concrete_handler<Signature> completion_handler_type;
 
   // The return type of the initiating function.
   typedef int return_type;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/deprecated_async_ops.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/deprecated_async_ops.hpp
deleted file mode 100644
index 7a93bc5..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/deprecated_async_ops.hpp
+++ /dev/null
@@ -1,345 +0,0 @@
-//
-// deprecated_async_ops.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef ARCHETYPES_DEPRECATED_ASYNC_OPS_HPP
-#define ARCHETYPES_DEPRECATED_ASYNC_OPS_HPP
-
-#include <asio/async_result.hpp>
-
-#if !defined(ASIO_NO_DEPRECATED)
-
-#include <asio/handler_type.hpp>
-#include <asio/error.hpp>
-#include <asio/io_context.hpp>
-
-#if defined(ASIO_HAS_BOOST_BIND)
-# include <boost/bind.hpp>
-#else // defined(ASIO_HAS_BOOST_BIND)
-# include <functional>
-#endif // defined(ASIO_HAS_BOOST_BIND)
-
-namespace archetypes {
-
-#if defined(ASIO_HAS_BOOST_BIND)
-namespace bindns = boost;
-#else // defined(ASIO_HAS_BOOST_BIND)
-namespace bindns = std;
-#endif // defined(ASIO_HAS_BOOST_BIND)
-
-template <typename CompletionToken>
-typename asio::async_result<
-  typename asio::handler_type<CompletionToken,
-    void()>::type>::type
-deprecated_async_op_0(asio::io_context& ctx,
-    ASIO_MOVE_ARG(CompletionToken) token)
-{
-  typedef typename asio::handler_type<CompletionToken,
-    void()>::type handler_type;
-
-  handler_type handler(ASIO_MOVE_CAST(CompletionToken)(token));
-
-  asio::async_result<handler_type> result(handler);
-
-  ctx.post(bindns::bind(ASIO_MOVE_CAST(handler_type)(handler)));
-
-  return result.get();
-}
-
-template <typename CompletionToken>
-typename asio::async_result<
-  typename asio::handler_type<CompletionToken,
-    void(asio::error_code)>::type>::type
-deprecated_async_op_ec_0(asio::io_context& ctx,
-    bool ok, ASIO_MOVE_ARG(CompletionToken) token)
-{
-  typedef typename asio::handler_type<CompletionToken,
-    void(asio::error_code)>::type handler_type;
-
-  handler_type handler(ASIO_MOVE_CAST(CompletionToken)(token));
-
-  asio::async_result<handler_type> result(handler);
-
-  if (ok)
-  {
-    ctx.post(bindns::bind(ASIO_MOVE_CAST(handler_type)(handler),
-          asio::error_code()));
-  }
-  else
-  {
-    ctx.post(bindns::bind(ASIO_MOVE_CAST(handler_type)(handler),
-          asio::error_code(asio::error::operation_aborted)));
-  }
-
-  return result.get();
-}
-
-template <typename CompletionToken>
-typename asio::async_result<
-  typename asio::handler_type<CompletionToken,
-    void(std::exception_ptr)>::type>::type
-deprecated_async_op_ex_0(asio::io_context& ctx,
-    bool ok, ASIO_MOVE_ARG(CompletionToken) token)
-{
-  typedef typename asio::handler_type<CompletionToken,
-    void(std::exception_ptr)>::type handler_type;
-
-  handler_type handler(ASIO_MOVE_CAST(CompletionToken)(token));
-
-  asio::async_result<handler_type> result(handler);
-
-  if (ok)
-  {
-    ctx.post(bindns::bind(ASIO_MOVE_CAST(handler_type)(handler),
-          std::exception_ptr()));
-  }
-  else
-  {
-    ctx.post(bindns::bind(ASIO_MOVE_CAST(handler_type)(handler),
-          std::make_exception_ptr(std::runtime_error("blah"))));
-  }
-
-  return result.get();
-}
-
-template <typename CompletionToken>
-typename asio::async_result<
-  typename asio::handler_type<CompletionToken,
-    void(int)>::type>::type
-deprecated_async_op_1(asio::io_context& ctx,
-    ASIO_MOVE_ARG(CompletionToken) token)
-{
-  typedef typename asio::handler_type<CompletionToken,
-    void(int)>::type handler_type;
-
-  handler_type handler(ASIO_MOVE_CAST(CompletionToken)(token));
-
-  asio::async_result<handler_type> result(handler);
-
-  ctx.post(bindns::bind(ASIO_MOVE_CAST(handler_type)(handler), 42));
-
-  return result.get();
-}
-
-template <typename CompletionToken>
-typename asio::async_result<
-  typename asio::handler_type<CompletionToken,
-    void(asio::error_code, int)>::type>::type
-deprecated_async_op_ec_1(asio::io_context& ctx,
-    bool ok, ASIO_MOVE_ARG(CompletionToken) token)
-{
-  typedef typename asio::handler_type<CompletionToken,
-    void(asio::error_code, int)>::type handler_type;
-
-  handler_type handler(ASIO_MOVE_CAST(CompletionToken)(token));
-
-  asio::async_result<handler_type> result(handler);
-
-  if (ok)
-  {
-    ctx.post(bindns::bind(ASIO_MOVE_CAST(handler_type)(handler),
-          asio::error_code(), 42));
-  }
-  else
-  {
-    ctx.post(bindns::bind(ASIO_MOVE_CAST(handler_type)(handler),
-          asio::error_code(asio::error::operation_aborted), 0));
-  }
-
-  return result.get();
-}
-
-template <typename CompletionToken>
-typename asio::async_result<
-  typename asio::handler_type<CompletionToken,
-    void(std::exception_ptr, int)>::type>::type
-deprecated_async_op_ex_1(asio::io_context& ctx,
-    bool ok, ASIO_MOVE_ARG(CompletionToken) token)
-{
-  typedef typename asio::handler_type<CompletionToken,
-    void(std::exception_ptr, int)>::type handler_type;
-
-  handler_type handler(ASIO_MOVE_CAST(CompletionToken)(token));
-
-  asio::async_result<handler_type> result(handler);
-
-  if (ok)
-  {
-    ctx.post(bindns::bind(ASIO_MOVE_CAST(handler_type)(handler),
-          std::exception_ptr(), 42));
-  }
-  else
-  {
-    ctx.post(bindns::bind(ASIO_MOVE_CAST(handler_type)(handler),
-          std::make_exception_ptr(std::runtime_error("blah")), 0));
-  }
-
-  return result.get();
-}
-
-template <typename CompletionToken>
-typename asio::async_result<
-  typename asio::handler_type<CompletionToken,
-    void(int, double)>::type>::type
-deprecated_async_op_2(asio::io_context& ctx,
-    ASIO_MOVE_ARG(CompletionToken) token)
-{
-  typedef typename asio::handler_type<CompletionToken,
-    void(int, double)>::type handler_type;
-
-  handler_type handler(ASIO_MOVE_CAST(CompletionToken)(token));
-
-  asio::async_result<handler_type> result(handler);
-
-  ctx.post(bindns::bind(ASIO_MOVE_CAST(handler_type)(handler),
-        42, 2.0));
-
-  return result.get();
-}
-
-template <typename CompletionToken>
-typename asio::async_result<
-  typename asio::handler_type<CompletionToken,
-    void(asio::error_code, int, double)>::type>::type
-deprecated_async_op_ec_2(asio::io_context& ctx,
-    bool ok, ASIO_MOVE_ARG(CompletionToken) token)
-{
-  typedef typename asio::handler_type<CompletionToken,
-    void(asio::error_code, int, double)>::type handler_type;
-
-  handler_type handler(ASIO_MOVE_CAST(CompletionToken)(token));
-
-  asio::async_result<handler_type> result(handler);
-
-  if (ok)
-  {
-    ctx.post(bindns::bind(ASIO_MOVE_CAST(handler_type)(handler),
-          asio::error_code(), 42, 2.0));
-  }
-  else
-  {
-    ctx.post(bindns::bind(ASIO_MOVE_CAST(handler_type)(handler),
-          asio::error_code(asio::error::operation_aborted),
-          0, 0.0));
-  }
-
-  return result.get();
-}
-
-template <typename CompletionToken>
-typename asio::async_result<
-  typename asio::handler_type<CompletionToken,
-    void(std::exception_ptr, int, double)>::type>::type
-deprecated_async_op_ex_2(asio::io_context& ctx,
-    bool ok, ASIO_MOVE_ARG(CompletionToken) token)
-{
-  typedef typename asio::handler_type<CompletionToken,
-    void(std::exception_ptr, int, double)>::type handler_type;
-
-  handler_type handler(ASIO_MOVE_CAST(CompletionToken)(token));
-
-  asio::async_result<handler_type> result(handler);
-
-  if (ok)
-  {
-    ctx.post(bindns::bind(ASIO_MOVE_CAST(handler_type)(handler),
-          std::exception_ptr(), 42, 2.0));
-  }
-  else
-  {
-    ctx.post(bindns::bind(ASIO_MOVE_CAST(handler_type)(handler),
-          std::make_exception_ptr(std::runtime_error("blah")), 0, 0.0));
-  }
-
-  return result.get();
-}
-
-template <typename CompletionToken>
-typename asio::async_result<
-  typename asio::handler_type<CompletionToken,
-    void(int, double, char)>::type>::type
-deprecated_async_op_3(asio::io_context& ctx,
-    ASIO_MOVE_ARG(CompletionToken) token)
-{
-  typedef typename asio::handler_type<CompletionToken,
-    void(int, double, char)>::type handler_type;
-
-  handler_type handler(ASIO_MOVE_CAST(CompletionToken)(token));
-
-  asio::async_result<handler_type> result(handler);
-
-  ctx.post(bindns::bind(ASIO_MOVE_CAST(handler_type)(handler),
-        42, 2.0, 'a'));
-
-  return result.get();
-}
-
-template <typename CompletionToken>
-typename asio::async_result<
-  typename asio::handler_type<CompletionToken,
-    void(asio::error_code, int, double, char)>::type>::type
-deprecated_async_op_ec_3(asio::io_context& ctx,
-    bool ok, ASIO_MOVE_ARG(CompletionToken) token)
-{
-  typedef typename asio::handler_type<CompletionToken,
-    void(asio::error_code, int, double, char)>::type handler_type;
-
-  handler_type handler(ASIO_MOVE_CAST(CompletionToken)(token));
-
-  asio::async_result<handler_type> result(handler);
-
-  if (ok)
-  {
-    ctx.post(bindns::bind(ASIO_MOVE_CAST(handler_type)(handler),
-          asio::error_code(), 42, 2.0, 'a'));
-  }
-  else
-  {
-    ctx.post(bindns::bind(ASIO_MOVE_CAST(handler_type)(handler),
-          asio::error_code(asio::error::operation_aborted),
-          0, 0.0, 'z'));
-  }
-
-  return result.get();
-}
-
-template <typename CompletionToken>
-typename asio::async_result<
-  typename asio::handler_type<CompletionToken,
-    void(std::exception_ptr, int, double, char)>::type>::type
-deprecated_async_op_ex_3(asio::io_context& ctx,
-    bool ok, ASIO_MOVE_ARG(CompletionToken) token)
-{
-  typedef typename asio::handler_type<CompletionToken,
-    void(std::exception_ptr, int, double, char)>::type handler_type;
-
-  handler_type handler(ASIO_MOVE_CAST(CompletionToken)(token));
-
-  asio::async_result<handler_type> result(handler);
-
-  if (ok)
-  {
-    ctx.post(bindns::bind(ASIO_MOVE_CAST(handler_type)(handler),
-          std::exception_ptr(), 42, 2.0, 'a'));
-  }
-  else
-  {
-    ctx.post(bindns::bind(ASIO_MOVE_CAST(handler_type)(handler),
-          std::make_exception_ptr(std::runtime_error("blah")),
-          0, 0.0, 'z'));
-  }
-
-  return result.get();
-}
-
-} // namespace archetypes
-
-#endif // !defined(ASIO_NO_DEPRECATED)
-
-#endif // ARCHETYPES_DEPRECATED_ASYNC_OPS_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/deprecated_async_result.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/deprecated_async_result.hpp
deleted file mode 100644
index 28fee65..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/deprecated_async_result.hpp
+++ /dev/null
@@ -1,82 +0,0 @@
-//
-// async_result.hpp
-// ~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef ARCHETYPES_DEPRECATED_ASYNC_RESULT_HPP
-#define ARCHETYPES_DEPRECATED_ASYNC_RESULT_HPP
-
-#include <asio/async_result.hpp>
-
-#if !defined(ASIO_NO_DEPRECATED)
-
-#include <asio/handler_type.hpp>
-
-namespace archetypes {
-
-struct deprecated_lazy_handler
-{
-};
-
-struct deprecated_concrete_handler
-{
-  deprecated_concrete_handler(deprecated_lazy_handler)
-  {
-  }
-
-  template <typename Arg1>
-  void operator()(Arg1)
-  {
-  }
-
-  template <typename Arg1, typename Arg2>
-  void operator()(Arg1, Arg2)
-  {
-  }
-
-#if defined(ASIO_HAS_MOVE)
-  deprecated_concrete_handler(deprecated_concrete_handler&&) {}
-private:
-  deprecated_concrete_handler(const deprecated_concrete_handler&);
-#endif // defined(ASIO_HAS_MOVE)
-};
-
-} // namespace archetypes
-
-namespace asio {
-
-template <typename Signature>
-struct handler_type<archetypes::deprecated_lazy_handler, Signature>
-{
-  typedef archetypes::deprecated_concrete_handler type;
-};
-
-template <>
-class async_result<archetypes::deprecated_concrete_handler>
-{
-public:
-  // The return type of the initiating function.
-  typedef double type;
-
-  // Construct an async_result from a given handler.
-  explicit async_result(archetypes::deprecated_concrete_handler&)
-  {
-  }
-
-  // Obtain the value to be returned from the initiating function.
-  type get()
-  {
-    return 42;
-  }
-};
-
-} // namespace asio
-
-#endif // !defined(ASIO_NO_DEPRECATED)
-
-#endif // ARCHETYPES_DEPRECATED_ASYNC_RESULT_HPP
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/gettable_socket_option.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/gettable_socket_option.hpp
index 6d6a077..eea73c5 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/gettable_socket_option.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/gettable_socket_option.hpp
@@ -2,7 +2,7 @@
 // gettable_socket_option.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/io_control_command.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/io_control_command.hpp
index bce284f..b9ba036 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/io_control_command.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/io_control_command.hpp
@@ -2,7 +2,7 @@
 // io_control_command.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/settable_socket_option.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/settable_socket_option.hpp
index fb7240b..d8df8b7 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/settable_socket_option.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/archetypes/settable_socket_option.hpp
@@ -2,7 +2,7 @@
 // settable_socket_option.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/associated_allocator.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/associated_allocator.cpp
index a547641..7a67137 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/associated_allocator.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/associated_allocator.cpp
@@ -2,7 +2,7 @@
 // associated_allocator.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/associated_executor.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/associated_executor.cpp
index 2adb603..03456af 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/associated_executor.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/associated_executor.cpp
@@ -2,7 +2,7 @@
 // associated_executor.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/async_result.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/async_result.cpp
index 3f78405..837dda1 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/async_result.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/async_result.cpp
@@ -2,7 +2,7 @@
 // async_result.cpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/signal_set_service.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/awaitable.cpp
similarity index 70%
rename from Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/signal_set_service.cpp
rename to Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/awaitable.cpp
index a604ba2..ea6d02a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/signal_set_service.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/awaitable.cpp
@@ -1,8 +1,8 @@
 //
-// signal_set_service.cpp
-// ~~~~~~~~~~~~~~~~~~~~~~
+// awaitable.cpp
+// ~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -14,12 +14,12 @@
 #endif // !defined(BOOST_ALL_NO_LIB)
 
 // Test that header file is self-contained.
-#include "asio/signal_set_service.hpp"
+#include "asio/awaitable.hpp"
 
 #include "unit_test.hpp"
 
 ASIO_TEST_SUITE
 (
-  "signal_set_service",
+  "awaitable",
   ASIO_TEST_CASE(null_test)
 )
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_datagram_socket.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_datagram_socket.cpp
index 5fcbdd7..405f1e6 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_datagram_socket.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_datagram_socket.cpp
@@ -2,7 +2,7 @@
 // basic_datagram_socket.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_deadline_timer.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_deadline_timer.cpp
index 6310e95..4d37671 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_deadline_timer.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_deadline_timer.cpp
@@ -2,7 +2,7 @@
 // basic_deadline_timer.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_raw_socket.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_raw_socket.cpp
index 0f14851..570ace5 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_raw_socket.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_raw_socket.cpp
@@ -2,7 +2,7 @@
 // basic_raw_socket.cpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_seq_packet_socket.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_seq_packet_socket.cpp
index f32b1d9..5d521ef 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_seq_packet_socket.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_seq_packet_socket.cpp
@@ -2,7 +2,7 @@
 // basic_seq_packet_socket.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_serial_port.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_serial_port.cpp
index 63ac73c..bd1ad76 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_serial_port.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_serial_port.cpp
@@ -2,7 +2,7 @@
 // basic_serial_port.cpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_signal_set.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_signal_set.cpp
index d6278fc..7d6e2d9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_signal_set.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_signal_set.cpp
@@ -2,7 +2,7 @@
 // basic_signal_set.cpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/raw_socket_service.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_socket.cpp
similarity index 70%
rename from Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/raw_socket_service.cpp
rename to Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_socket.cpp
index 473375a..aed4f79 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/raw_socket_service.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_socket.cpp
@@ -1,8 +1,8 @@
 //
-// raw_socket_service.cpp
-// ~~~~~~~~~~~~~~~~~~~~~~
+// basic_socket.cpp
+// ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -14,12 +14,12 @@
 #endif // !defined(BOOST_ALL_NO_LIB)
 
 // Test that header file is self-contained.
-#include "asio/raw_socket_service.hpp"
+#include "asio/basic_socket.hpp"
 
 #include "unit_test.hpp"
 
 ASIO_TEST_SUITE
 (
-  "raw_socket_service",
+  "basic_socket",
   ASIO_TEST_CASE(null_test)
 )
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_socket_acceptor.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_socket_acceptor.cpp
index 881dae7..5d66696 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_socket_acceptor.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_socket_acceptor.cpp
@@ -2,7 +2,7 @@
 // basic_socket_acceptor.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_stream_socket.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_stream_socket.cpp
index 5dcd332..49740ee 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_stream_socket.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_stream_socket.cpp
@@ -2,7 +2,7 @@
 // basic_stream_socket.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_streambuf.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_streambuf.cpp
index a0bd7ca..7684775 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_streambuf.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_streambuf.cpp
@@ -2,7 +2,7 @@
 // basic_streambuf.cpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_waitable_timer.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_waitable_timer.cpp
index f77bd50..b602d8b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_waitable_timer.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/basic_waitable_timer.cpp
@@ -2,7 +2,7 @@
 // basic_waitable_timer.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/bind_executor.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/bind_executor.cpp
index 2fcafd4..88d1ab4 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/bind_executor.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/bind_executor.cpp
@@ -2,7 +2,7 @@
 // bind_executor.cpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/buffer.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/buffer.cpp
index 84dd19a..99b7249 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/buffer.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/buffer.cpp
@@ -2,7 +2,7 @@
 // buffer.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -62,18 +62,17 @@ void test()
     std::vector<mutable_buffer> mutable_buffer_sequence;
     std::vector<const_buffer> const_buffer_sequence;
 #if defined(ASIO_HAS_STD_STRING_VIEW)
-# if defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
-    std::experimental::string_view string_view_data(string_data);
-# else // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
     std::string_view string_view_data(string_data);
-# endif // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#elif defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+    std::experimental::string_view string_view_data(string_data);
+#endif // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
 
     // mutable_buffer constructors.
 
     mutable_buffer mb1;
     mutable_buffer mb2(void_ptr_data, 1024);
     mutable_buffer mb3(mb1);
+    (void)mb3;
 
     // mutable_buffer functions.
 
@@ -110,7 +109,9 @@ void test()
     const_buffer cb1;
     const_buffer cb2(const_void_ptr_data, 1024);
     const_buffer cb3(cb1);
+    (void)cb3;
     const_buffer cb4(mb1);
+    (void)cb4;
 
     // const_buffer functions.
 
@@ -204,10 +205,10 @@ void test()
     mb1 = buffer(string_data, 1024);
     cb1 = buffer(const_string_data);
     cb1 = buffer(const_string_data, 1024);
-#if defined(ASIO_HAS_STD_STRING_VIEW)
+#if defined(ASIO_HAS_STRING_VIEW)
     cb1 = buffer(string_view_data);
     cb1 = buffer(string_view_data, 1024);
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
 
     // buffer_copy function overloads.
 
@@ -321,6 +322,7 @@ void test()
     std::size_t size40 = db3.max_size();
     (void)size40;
 
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
     dynamic_string_buffer<char, std::string::traits_type,
       std::string::allocator_type>::const_buffers_type
         cb5 = db1.data();
@@ -339,9 +341,35 @@ void test()
 
     db1.commit(1024);
     db3.commit(1024);
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 
-    db1.consume(1024);
-    db3.consume(1024);
+    dynamic_string_buffer<char, std::string::traits_type,
+      std::string::allocator_type>::mutable_buffers_type
+        mb7 = db1.data(0, 1);
+    (void)mb7;
+    dynamic_vector_buffer<char, std::allocator<char> >::mutable_buffers_type
+      mb8 = db3.data(0, 1);
+    (void)mb8;
+
+    dynamic_string_buffer<char, std::string::traits_type,
+      std::string::allocator_type>::const_buffers_type
+        cb7 = static_cast<const dynamic_string_buffer<char,
+          std::string::traits_type,
+            std::string::allocator_type>&>(db1).data(0, 1);
+    (void)cb7;
+    dynamic_vector_buffer<char, std::allocator<char> >::const_buffers_type
+      cb8 = static_cast<const dynamic_vector_buffer<char,
+        std::allocator<char> >&>(db3).data(0, 1);
+    (void)cb8;
+
+    db1.grow(1024);
+    db3.grow(1024);
+
+    db1.shrink(1024);
+    db3.shrink(1024);
+
+    db1.consume(0);
+    db3.consume(0);
   }
   catch (std::exception&)
   {
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/buffered_read_stream.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/buffered_read_stream.cpp
index 44ad185..3d90fb8 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/buffered_read_stream.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/buffered_read_stream.cpp
@@ -2,7 +2,7 @@
 // buffered_read_stream.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -81,14 +81,6 @@ void test_compile()
     stream_type::executor_type ex = stream1.get_executor();
     (void)ex;
 
-#if !defined(ASIO_NO_DEPRECATED)
-    io_context& ioc_ref = stream1.get_io_context();
-    (void)ioc_ref;
-
-    io_context& ioc_ref2 = stream1.get_io_service();
-    (void)ioc_ref2;
-#endif // !defined(ASIO_NO_DEPRECATED)
-
     stream_type::lowest_layer_type& lowest_layer = stream1.lowest_layer();
     (void)lowest_layer;
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/buffered_stream.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/buffered_stream.cpp
index b80be9a..c9b21c2 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/buffered_stream.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/buffered_stream.cpp
@@ -2,7 +2,7 @@
 // buffered_stream.cpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -85,14 +85,6 @@ void test_compile()
     stream_type::executor_type ex = stream1.get_executor();
     (void)ex;
 
-#if !defined(ASIO_NO_DEPRECATED)
-    io_context& ioc_ref = stream1.get_io_context();
-    (void)ioc_ref;
-
-    io_context& ioc_ref2 = stream1.get_io_service();
-    (void)ioc_ref2;
-#endif // !defined(ASIO_NO_DEPRECATED)
-
     stream_type::lowest_layer_type& lowest_layer = stream1.lowest_layer();
     (void)lowest_layer;
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/buffered_write_stream.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/buffered_write_stream.cpp
index 5c1e279..150651f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/buffered_write_stream.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/buffered_write_stream.cpp
@@ -2,7 +2,7 @@
 // buffered_write_stream.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -81,14 +81,6 @@ void test_compile()
     stream_type::executor_type ex = stream1.get_executor();
     (void)ex;
 
-#if !defined(ASIO_NO_DEPRECATED)
-    io_context& ioc_ref = stream1.get_io_context();
-    (void)ioc_ref;
-
-    io_context& ioc_ref2 = stream1.get_io_service();
-    (void)ioc_ref2;
-#endif // !defined(ASIO_NO_DEPRECATED)
-
     stream_type::lowest_layer_type& lowest_layer = stream1.lowest_layer();
     (void)lowest_layer;
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/buffers_iterator.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/buffers_iterator.cpp
index 914e8f2..57d57e3 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/buffers_iterator.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/buffers_iterator.cpp
@@ -2,7 +2,7 @@
 // buffers_iterator.cpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/stream_socket_service.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/co_spawn.cpp
similarity index 69%
rename from Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/stream_socket_service.cpp
rename to Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/co_spawn.cpp
index 76122c4..90f3a2c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/stream_socket_service.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/co_spawn.cpp
@@ -1,8 +1,8 @@
 //
-// stream_socket_service.cpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~
+// co_spawn.cpp
+// ~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -14,12 +14,12 @@
 #endif // !defined(BOOST_ALL_NO_LIB)
 
 // Test that header file is self-contained.
-#include "asio/stream_socket_service.hpp"
+#include "asio/co_spawn.hpp"
 
 #include "unit_test.hpp"
 
 ASIO_TEST_SUITE
 (
-  "stream_socket_service",
+  "co_spawn",
   ASIO_TEST_CASE(null_test)
 )
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/completion_condition.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/completion_condition.cpp
index 91de03d..da17e31 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/completion_condition.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/completion_condition.cpp
@@ -2,7 +2,7 @@
 // completion_condition.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/compose.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/compose.cpp
new file mode 100644
index 0000000..730bb34
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/compose.cpp
@@ -0,0 +1,185 @@
+//
+// compose.cpp
+// ~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+// Disable autolinking for unit tests.
+#if !defined(BOOST_ALL_NO_LIB)
+#define BOOST_ALL_NO_LIB 1
+#endif // !defined(BOOST_ALL_NO_LIB)
+
+// Test that header file is self-contained.
+#include "asio/compose.hpp"
+
+#include "unit_test.hpp"
+
+#include "asio/io_context.hpp"
+#include "asio/post.hpp"
+
+#if defined(ASIO_HAS_BOOST_BIND)
+# include <boost/bind.hpp>
+#else // defined(ASIO_HAS_BOOST_BIND)
+# include <functional>
+#endif // defined(ASIO_HAS_BOOST_BIND)
+
+//------------------------------------------------------------------------------
+
+class impl_0_completion_args
+{
+public:
+  explicit impl_0_completion_args(asio::io_context& ioc)
+    : ioc_(ioc),
+      state_(starting)
+  {
+  }
+
+  template <typename Self>
+  void operator()(Self& self)
+  {
+    switch (state_)
+    {
+    case starting:
+      state_ = posting;
+      asio::post(ioc_, ASIO_MOVE_CAST(Self)(self));
+      break;
+    case posting:
+      self.complete();
+      break;
+    default:
+      break;
+    }
+  }
+
+private:
+  asio::io_context& ioc_;
+  enum { starting, posting } state_;
+};
+
+template <typename CompletionToken>
+ASIO_INITFN_RESULT_TYPE(CompletionToken, void())
+async_0_completion_args(asio::io_context& ioc,
+    ASIO_MOVE_ARG(CompletionToken) token)
+{
+  return asio::async_compose<CompletionToken, void()>(
+      impl_0_completion_args(ioc), token);
+}
+
+void compose_0_args_handler(int* count)
+{
+  ++(*count);
+}
+
+void compose_0_completion_args_test()
+{
+#if defined(ASIO_HAS_BOOST_BIND)
+  namespace bindns = boost;
+#else // defined(ASIO_HAS_BOOST_BIND)
+  namespace bindns = std;
+#endif // defined(ASIO_HAS_BOOST_BIND)
+
+  asio::io_context ioc;
+  int count = 0;
+
+  async_0_completion_args(ioc, bindns::bind(&compose_0_args_handler, &count));
+
+  // No handlers can be called until run() is called.
+  ASIO_CHECK(!ioc.stopped());
+  ASIO_CHECK(count == 0);
+
+  ioc.run();
+
+  // The run() call will not return until all work has finished.
+  ASIO_CHECK(ioc.stopped());
+  ASIO_CHECK(count == 1);
+}
+
+//------------------------------------------------------------------------------
+
+class impl_1_completion_arg
+{
+public:
+  explicit impl_1_completion_arg(asio::io_context& ioc)
+    : ioc_(ioc),
+      state_(starting)
+  {
+  }
+
+  template <typename Self>
+  void operator()(Self& self)
+  {
+    switch (state_)
+    {
+    case starting:
+      state_ = posting;
+      asio::post(ioc_, ASIO_MOVE_CAST(Self)(self));
+      break;
+    case posting:
+      self.complete(42);
+      break;
+    default:
+      break;
+    }
+  }
+
+private:
+  asio::io_context& ioc_;
+  enum { starting, posting } state_;
+};
+
+template <typename CompletionToken>
+ASIO_INITFN_RESULT_TYPE(CompletionToken, void(int))
+async_1_completion_arg(asio::io_context& ioc,
+    ASIO_MOVE_ARG(CompletionToken) token)
+{
+  return asio::async_compose<CompletionToken, void(int)>(
+      impl_1_completion_arg(ioc), token);
+}
+
+void compose_1_args_handler(int* count, int* result_out, int result)
+{
+  ++(*count);
+  *result_out = result;
+}
+
+void compose_1_completion_arg_test()
+{
+#if defined(ASIO_HAS_BOOST_BIND)
+  namespace bindns = boost;
+#else // defined(ASIO_HAS_BOOST_BIND)
+  namespace bindns = std;
+  using std::placeholders::_1;
+#endif // defined(ASIO_HAS_BOOST_BIND)
+
+  asio::io_context ioc;
+  int count = 0;
+  int result = 0;
+
+  async_1_completion_arg(ioc,
+      bindns::bind(&compose_1_args_handler, &count, &result, _1));
+
+  // No handlers can be called until run() is called.
+  ASIO_CHECK(!ioc.stopped());
+  ASIO_CHECK(count == 0);
+  ASIO_CHECK(result == 0);
+
+  ioc.run();
+
+  // The run() call will not return until all work has finished.
+  ASIO_CHECK(ioc.stopped());
+  ASIO_CHECK(count == 1);
+  ASIO_CHECK(result == 42);
+}
+
+//------------------------------------------------------------------------------
+
+ASIO_TEST_SUITE
+(
+  "compose",
+  ASIO_TEST_CASE(compose_0_completion_args_test)
+  ASIO_TEST_CASE(compose_1_completion_arg_test)
+)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/connect.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/connect.cpp
index aa01ae9..04854da 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/connect.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/connect.cpp
@@ -2,7 +2,7 @@
 // connect.cpp
 // ~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/coroutine.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/coroutine.cpp
index 2c5c6a7..1dbdbcf 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/coroutine.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/coroutine.cpp
@@ -2,7 +2,7 @@
 // coroutine.cpp
 // ~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/deadline_timer.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/deadline_timer.cpp
index 3d67bb6..bc901d8 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/deadline_timer.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/deadline_timer.cpp
@@ -2,7 +2,7 @@
 // deadline_timer.cpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/defer.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/defer.cpp
index d973c6e..f562aef 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/defer.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/defer.cpp
@@ -2,7 +2,7 @@
 // defer.cpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/deadline_timer_service.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/detached.cpp
similarity index 69%
rename from Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/deadline_timer_service.cpp
rename to Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/detached.cpp
index bffc652..9ba4531 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/deadline_timer_service.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/detached.cpp
@@ -1,8 +1,8 @@
 //
-// deadline_timer_service.cpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~
+// detached.cpp
+// ~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -14,12 +14,12 @@
 #endif // !defined(BOOST_ALL_NO_LIB)
 
 // Test that header file is self-contained.
-#include "asio/deadline_timer_service.hpp"
+#include "asio/detached.hpp"
 
 #include "unit_test.hpp"
 
 ASIO_TEST_SUITE
 (
-  "deadline_timer_service",
+  "detached",
   ASIO_TEST_CASE(null_test)
 )
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/dispatch.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/dispatch.cpp
index 0c06d4b..a5c127e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/dispatch.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/dispatch.cpp
@@ -2,7 +2,7 @@
 // dispatch.cpp
 // ~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/error.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/error.cpp
index d936a11..b2a8b90 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/error.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/error.cpp
@@ -2,7 +2,7 @@
 // error.cpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/execution_context.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/execution_context.cpp
index 3988480..5edfcc8 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/execution_context.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/execution_context.cpp
@@ -2,7 +2,7 @@
 // execution_context.cpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/executor.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/executor.cpp
index 3a7445b..64724b5 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/executor.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/executor.cpp
@@ -2,7 +2,7 @@
 // executor.cpp
 // ~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/executor_work_guard.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/executor_work_guard.cpp
index 22cabd4..676f637 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/executor_work_guard.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/executor_work_guard.cpp
@@ -2,7 +2,7 @@
 // executor_work_guard.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/generic/basic_endpoint.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/generic/basic_endpoint.cpp
index e46e3e3..3ddb921 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/generic/basic_endpoint.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/generic/basic_endpoint.cpp
@@ -2,7 +2,7 @@
 // generic/basic_endpoint.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/generic/datagram_protocol.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/generic/datagram_protocol.cpp
index 3a26e2c..8c89265 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/generic/datagram_protocol.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/generic/datagram_protocol.cpp
@@ -2,7 +2,7 @@
 // generic/datagram_protocol.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -97,14 +97,6 @@ void test()
     dp::socket::executor_type ex = socket1.get_executor();
     (void)ex;
 
-#if !defined(ASIO_NO_DEPRECATED)
-    io_context& ioc_ref = socket1.get_io_context();
-    (void)ioc_ref;
-
-    io_context& ioc_ref2 = socket1.get_io_service();
-    (void)ioc_ref2;
-#endif // !defined(ASIO_NO_DEPRECATED)
-
     // basic_socket functions.
 
     dp::socket::lowest_layer_type& lowest_layer = socket1.lowest_layer();
@@ -162,10 +154,14 @@ void test()
     socket1.io_control(io_control_command, ec);
 
     dp::endpoint endpoint1 = socket1.local_endpoint();
+    (void)endpoint1;
     dp::endpoint endpoint2 = socket1.local_endpoint(ec);
+    (void)endpoint2;
 
     dp::endpoint endpoint3 = socket1.remote_endpoint();
+    (void)endpoint3;
     dp::endpoint endpoint4 = socket1.remote_endpoint(ec);
+    (void)endpoint4;
 
     socket1.shutdown(socket_base::shutdown_both);
     socket1.shutdown(socket_base::shutdown_both, ec);
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/generic/raw_protocol.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/generic/raw_protocol.cpp
index eb88ab3..8b310bb 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/generic/raw_protocol.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/generic/raw_protocol.cpp
@@ -2,7 +2,7 @@
 // generic/raw_protocol.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -97,14 +97,6 @@ void test()
     rp::socket::executor_type ex = socket1.get_executor();
     (void)ex;
 
-#if !defined(ASIO_NO_DEPRECATED)
-    io_context& ioc_ref = socket1.get_io_context();
-    (void)ioc_ref;
-
-    io_context& ioc_ref2 = socket1.get_io_service();
-    (void)ioc_ref2;
-#endif // !defined(ASIO_NO_DEPRECATED)
-
     // basic_socket functions.
 
     rp::socket::lowest_layer_type& lowest_layer = socket1.lowest_layer();
@@ -162,10 +154,14 @@ void test()
     socket1.io_control(io_control_command, ec);
 
     rp::endpoint endpoint1 = socket1.local_endpoint();
+    (void)endpoint1;
     rp::endpoint endpoint2 = socket1.local_endpoint(ec);
+    (void)endpoint2;
 
     rp::endpoint endpoint3 = socket1.remote_endpoint();
+    (void)endpoint3;
     rp::endpoint endpoint4 = socket1.remote_endpoint(ec);
+    (void)endpoint4;
 
     socket1.shutdown(socket_base::shutdown_both);
     socket1.shutdown(socket_base::shutdown_both, ec);
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/generic/seq_packet_protocol.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/generic/seq_packet_protocol.cpp
index 6c35a42..745f3d6 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/generic/seq_packet_protocol.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/generic/seq_packet_protocol.cpp
@@ -2,7 +2,7 @@
 // generic/seq_packet_protocol.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -93,14 +93,6 @@ void test()
     spp::socket::executor_type ex = socket1.get_executor();
     (void)ex;
 
-#if !defined(ASIO_NO_DEPRECATED)
-    io_context& ioc_ref = socket1.get_io_context();
-    (void)ioc_ref;
-
-    io_context& ioc_ref2 = socket1.get_io_service();
-    (void)ioc_ref2;
-#endif // !defined(ASIO_NO_DEPRECATED)
-
     // basic_socket functions.
 
     spp::socket::lowest_layer_type& lowest_layer = socket1.lowest_layer();
@@ -158,10 +150,14 @@ void test()
     socket1.io_control(io_control_command, ec);
 
     spp::endpoint endpoint1 = socket1.local_endpoint();
+    (void)endpoint1;
     spp::endpoint endpoint2 = socket1.local_endpoint(ec);
+    (void)endpoint2;
 
     spp::endpoint endpoint3 = socket1.remote_endpoint();
+    (void)endpoint3;
     spp::endpoint endpoint4 = socket1.remote_endpoint(ec);
+    (void)endpoint4;
 
     socket1.shutdown(socket_base::shutdown_both);
     socket1.shutdown(socket_base::shutdown_both, ec);
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/generic/stream_protocol.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/generic/stream_protocol.cpp
index ee505e2..e17aa17 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/generic/stream_protocol.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/generic/stream_protocol.cpp
@@ -2,7 +2,7 @@
 // generic/stream_protocol.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -107,14 +107,6 @@ void test()
     sp::socket::executor_type ex = socket1.get_executor();
     (void)ex;
 
-#if !defined(ASIO_NO_DEPRECATED)
-    io_context& ioc_ref = socket1.get_io_context();
-    (void)ioc_ref;
-
-    io_context& ioc_ref2 = socket1.get_io_service();
-    (void)ioc_ref2;
-#endif // !defined(ASIO_NO_DEPRECATED)
-
     // basic_socket functions.
 
     sp::socket::lowest_layer_type& lowest_layer = socket1.lowest_layer();
@@ -178,10 +170,14 @@ void test()
     socket1.io_control(io_control_command, ec);
 
     sp::endpoint endpoint1 = socket1.local_endpoint();
+    (void)endpoint1;
     sp::endpoint endpoint2 = socket1.local_endpoint(ec);
+    (void)endpoint2;
 
     sp::endpoint endpoint3 = socket1.remote_endpoint();
+    (void)endpoint3;
     sp::endpoint endpoint4 = socket1.remote_endpoint(ec);
+    (void)endpoint4;
 
     socket1.shutdown(socket_base::shutdown_both);
     socket1.shutdown(socket_base::shutdown_both, ec);
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/high_resolution_timer.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/high_resolution_timer.cpp
index 5e9d135..17e4f72 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/high_resolution_timer.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/high_resolution_timer.cpp
@@ -2,7 +2,7 @@
 // high_resolution_timer.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/io_context.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/io_context.cpp
index 81f7c28..1dfa821 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/io_context.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/io_context.cpp
@@ -2,7 +2,7 @@
 // io_context.cpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/io_context_strand.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/io_context_strand.cpp
new file mode 100644
index 0000000..e183c29
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/io_context_strand.cpp
@@ -0,0 +1,325 @@
+//
+// io_context_strand.cpp
+// ~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+// Disable autolinking for unit tests.
+#if !defined(BOOST_ALL_NO_LIB)
+#define BOOST_ALL_NO_LIB 1
+#endif // !defined(BOOST_ALL_NO_LIB)
+
+// Test that header file is self-contained.
+#include "asio/io_context_strand.hpp"
+
+#include <sstream>
+#include "asio/io_context.hpp"
+#include "asio/dispatch.hpp"
+#include "asio/post.hpp"
+#include "asio/thread.hpp"
+#include "unit_test.hpp"
+
+#if defined(ASIO_HAS_BOOST_DATE_TIME)
+# include "asio/deadline_timer.hpp"
+#else // defined(ASIO_HAS_BOOST_DATE_TIME)
+# include "asio/steady_timer.hpp"
+#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
+
+#if defined(ASIO_HAS_BOOST_BIND)
+# include <boost/bind.hpp>
+#else // defined(ASIO_HAS_BOOST_BIND)
+# include <functional>
+#endif // defined(ASIO_HAS_BOOST_BIND)
+
+using namespace asio;
+
+#if defined(ASIO_HAS_BOOST_BIND)
+namespace bindns = boost;
+#else // defined(ASIO_HAS_BOOST_BIND)
+namespace bindns = std;
+#endif
+
+#if defined(ASIO_HAS_BOOST_DATE_TIME)
+typedef deadline_timer timer;
+namespace chronons = boost::posix_time;
+#elif defined(ASIO_HAS_CHRONO)
+typedef steady_timer timer;
+namespace chronons = asio::chrono;
+#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
+
+void increment(int* count)
+{
+  ++(*count);
+}
+
+void increment_without_lock(io_context::strand* s, int* count)
+{
+  ASIO_CHECK(!s->running_in_this_thread());
+
+  int original_count = *count;
+
+  dispatch(*s, bindns::bind(increment, count));
+
+  // No other functions are currently executing through the locking dispatcher,
+  // so the previous call to dispatch should have successfully nested.
+  ASIO_CHECK(*count == original_count + 1);
+}
+
+void increment_with_lock(io_context::strand* s, int* count)
+{
+  ASIO_CHECK(s->running_in_this_thread());
+
+  int original_count = *count;
+
+  dispatch(*s, bindns::bind(increment, count));
+
+  // The current function already holds the strand's lock, so the
+  // previous call to dispatch should have successfully nested.
+  ASIO_CHECK(*count == original_count + 1);
+}
+
+void sleep_increment(io_context* ioc, int* count)
+{
+  timer t(*ioc, chronons::seconds(2));
+  t.wait();
+
+  ++(*count);
+}
+
+void increment_by_a(int* count, int a)
+{
+  (*count) += a;
+}
+
+void increment_by_a_b(int* count, int a, int b)
+{
+  (*count) += a + b;
+}
+
+void increment_by_a_b_c(int* count, int a, int b, int c)
+{
+  (*count) += a + b + c;
+}
+
+void increment_by_a_b_c_d(int* count, int a, int b, int c, int d)
+{
+  (*count) += a + b + c + d;
+}
+
+void start_sleep_increments(io_context* ioc, io_context::strand* s, int* count)
+{
+  // Give all threads a chance to start.
+  timer t(*ioc, chronons::seconds(2));
+  t.wait();
+
+  // Start three increments.
+  post(*s, bindns::bind(sleep_increment, ioc, count));
+  post(*s, bindns::bind(sleep_increment, ioc, count));
+  post(*s, bindns::bind(sleep_increment, ioc, count));
+}
+
+void throw_exception()
+{
+  throw 1;
+}
+
+void io_context_run(io_context* ioc)
+{
+  ioc->run();
+}
+
+void strand_test()
+{
+  io_context ioc;
+  io_context::strand s(ioc);
+  int count = 0;
+
+  post(ioc, bindns::bind(increment_without_lock, &s, &count));
+
+  // No handlers can be called until run() is called.
+  ASIO_CHECK(count == 0);
+
+  ioc.run();
+
+  // The run() call will not return until all work has finished.
+  ASIO_CHECK(count == 1);
+
+  count = 0;
+  ioc.restart();
+  post(s, bindns::bind(increment_with_lock, &s, &count));
+
+  // No handlers can be called until run() is called.
+  ASIO_CHECK(count == 0);
+
+  ioc.run();
+
+  // The run() call will not return until all work has finished.
+  ASIO_CHECK(count == 1);
+
+  count = 0;
+  ioc.restart();
+  post(ioc, bindns::bind(start_sleep_increments, &ioc, &s, &count));
+  thread thread1(bindns::bind(io_context_run, &ioc));
+  thread thread2(bindns::bind(io_context_run, &ioc));
+
+  // Check all events run one after another even though there are two threads.
+  timer timer1(ioc, chronons::seconds(3));
+  timer1.wait();
+  ASIO_CHECK(count == 0);
+#if defined(ASIO_HAS_BOOST_DATE_TIME)
+  timer1.expires_at(timer1.expires_at() + chronons::seconds(2));
+#else // defined(ASIO_HAS_BOOST_DATE_TIME)
+  timer1.expires_at(timer1.expiry() + chronons::seconds(2));
+#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
+  timer1.wait();
+  ASIO_CHECK(count == 1);
+#if defined(ASIO_HAS_BOOST_DATE_TIME)
+  timer1.expires_at(timer1.expires_at() + chronons::seconds(2));
+#else // defined(ASIO_HAS_BOOST_DATE_TIME)
+  timer1.expires_at(timer1.expiry() + chronons::seconds(2));
+#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
+  timer1.wait();
+  ASIO_CHECK(count == 2);
+
+  thread1.join();
+  thread2.join();
+
+  // The run() calls will not return until all work has finished.
+  ASIO_CHECK(count == 3);
+
+  count = 0;
+  int exception_count = 0;
+  ioc.restart();
+  post(s, throw_exception);
+  post(s, bindns::bind(increment, &count));
+  post(s, bindns::bind(increment, &count));
+  post(s, throw_exception);
+  post(s, bindns::bind(increment, &count));
+
+  // No handlers can be called until run() is called.
+  ASIO_CHECK(count == 0);
+  ASIO_CHECK(exception_count == 0);
+
+  for (;;)
+  {
+    try
+    {
+      ioc.run();
+      break;
+    }
+    catch (int)
+    {
+      ++exception_count;
+    }
+  }
+
+  // The run() calls will not return until all work has finished.
+  ASIO_CHECK(count == 3);
+  ASIO_CHECK(exception_count == 2);
+
+  count = 0;
+  ioc.restart();
+
+  // Check for clean shutdown when handlers posted through an orphaned strand
+  // are abandoned.
+  {
+    io_context::strand s2(ioc);
+    post(s2, bindns::bind(increment, &count));
+    post(s2, bindns::bind(increment, &count));
+    post(s2, bindns::bind(increment, &count));
+  }
+
+  // No handlers can be called until run() is called.
+  ASIO_CHECK(count == 0);
+}
+
+void strand_wrap_test()
+{
+#if !defined(ASIO_NO_DEPRECATED)
+  io_context ioc;
+  io_context::strand s(ioc);
+  int count = 0;
+
+  s.wrap(bindns::bind(increment, &count))();
+
+  // No handlers can be called until run() is called.
+  ASIO_CHECK(count == 0);
+
+  ioc.restart();
+  ioc.run();
+
+  // The run() calls will not return until all work has finished.
+  ASIO_CHECK(count == 1);
+
+  count = 0;
+  s.wrap(increment)(&count);
+
+  // No handlers can be called until run() is called.
+  ASIO_CHECK(count == 0);
+
+  ioc.restart();
+  ioc.run();
+
+  // The run() calls will not return until all work has finished.
+  ASIO_CHECK(count == 1);
+
+  count = 0;
+  s.wrap(increment_by_a)(&count, 1);
+
+  // No handlers can be called until run() is called.
+  ASIO_CHECK(count == 0);
+
+  ioc.restart();
+  ioc.run();
+
+  // The run() calls will not return until all work has finished.
+  ASIO_CHECK(count == 1);
+
+  count = 0;
+  s.wrap(increment_by_a_b)(&count, 1, 2);
+
+  // No handlers can be called until run() is called.
+  ASIO_CHECK(count == 0);
+
+  ioc.restart();
+  ioc.run();
+
+  // The run() calls will not return until all work has finished.
+  ASIO_CHECK(count == 3);
+
+  count = 0;
+  s.wrap(increment_by_a_b_c)(&count, 1, 2, 3);
+
+  // No handlers can be called until run() is called.
+  ASIO_CHECK(count == 0);
+
+  ioc.restart();
+  ioc.run();
+
+  // The run() calls will not return until all work has finished.
+  ASIO_CHECK(count == 6);
+
+  count = 0;
+  s.wrap(increment_by_a_b_c_d)(&count, 1, 2, 3, 4);
+
+  // No handlers can be called until run() is called.
+  ASIO_CHECK(count == 0);
+
+  ioc.restart();
+  ioc.run();
+
+  // The run() calls will not return until all work has finished.
+  ASIO_CHECK(count == 10);
+#endif // !defined(ASIO_NO_DEPRECATED)
+}
+
+ASIO_TEST_SUITE
+(
+  "strand",
+  ASIO_TEST_CASE(strand_test)
+  ASIO_TEST_CASE(strand_wrap_test)
+)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/.gitignore b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/.gitignore
index 087ad80..4c0337a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/.gitignore
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/.gitignore
@@ -21,7 +21,6 @@ multicast
 network_v4
 network_v6
 resolver_query_base
-resolver_service
 tcp
 udp
 unicast
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address.cpp
index cd7979e..f07d0ef 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address.cpp
@@ -2,7 +2,7 @@
 // address.cpp
 // ~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -108,15 +108,15 @@ void test()
     addr1 = ip::make_address("127.0.0.1", ec);
     addr1 = ip::make_address(string_value);
     addr1 = ip::make_address(string_value, ec);
-#if defined(ASIO_HAS_STD_STRING_VIEW)
-# if defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
-    std::experimental::string_view string_view_value("127.0.0.1");
-# else // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+#if defined(ASIO_HAS_STRING_VIEW)
+# if defined(ASIO_HAS_STD_STRING_VIEW)
     std::string_view string_view_value("127.0.0.1");
+# elif defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+    std::experimental::string_view string_view_value("127.0.0.1");
 # endif // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
     addr1 = ip::make_address(string_view_value);
     addr1 = ip::make_address(string_view_value, ec);
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
 
     // address I/O.
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address_v4.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address_v4.cpp
index ee26bd9..bd23ffb 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address_v4.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address_v4.cpp
@@ -2,7 +2,7 @@
 // address_v4.cpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -132,15 +132,15 @@ void test()
     addr1 = ip::make_address_v4("127.0.0.1", ec);
     addr1 = ip::make_address_v4(string_value);
     addr1 = ip::make_address_v4(string_value, ec);
-#if defined(ASIO_HAS_STD_STRING_VIEW)
-# if defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
-    std::experimental::string_view string_view_value("127.0.0.1");
-# else // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+#if defined(ASIO_HAS_STRING_VIEW)
+# if defined(ASIO_HAS_STD_STRING_VIEW)
     std::string_view string_view_value("127.0.0.1");
+# elif defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+    std::experimental::string_view string_view_value("127.0.0.1");
 # endif // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
     addr1 = ip::make_address_v4(string_view_value);
     addr1 = ip::make_address_v4(string_view_value, ec);
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
 
     // address_v4 I/O.
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address_v4_iterator.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address_v4_iterator.cpp
index bad8a6f..2cd937c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address_v4_iterator.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address_v4_iterator.cpp
@@ -2,7 +2,7 @@
 // address_v4_iterator.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address_v4_range.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address_v4_range.cpp
index 8b3641c..18a16ca 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address_v4_range.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address_v4_range.cpp
@@ -2,7 +2,7 @@
 // address_v4_range.cpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address_v6.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address_v6.cpp
index 15edacc..9a80c10 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address_v6.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address_v6.cpp
@@ -2,7 +2,7 @@
 // address_v6.cpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -144,15 +144,15 @@ void test()
     addr1 = ip::make_address_v6("0::0", ec);
     addr1 = ip::make_address_v6(string_value);
     addr1 = ip::make_address_v6(string_value, ec);
-#if defined(ASIO_HAS_STD_STRING_VIEW)
-# if defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
-    std::experimental::string_view string_view_value("0::0");
-# else // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+#if defined(ASIO_HAS_STRING_VIEW)
+# if defined(ASIO_HAS_STD_STRING_VIEW)
     std::string_view string_view_value("0::0");
+# else // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+    std::experimental::string_view string_view_value("0::0");
 # endif // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
     addr1 = ip::make_address_v6(string_view_value);
     addr1 = ip::make_address_v6(string_view_value, ec);
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
 
     // address_v6 IPv4-mapped conversion.
 #if defined(ASIO_NO_DEPRECATED)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address_v6_iterator.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address_v6_iterator.cpp
index 1749134..d71a447 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address_v6_iterator.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address_v6_iterator.cpp
@@ -2,7 +2,7 @@
 // address_v6_iterator.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address_v6_range.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address_v6_range.cpp
index dd2fe60..d18571e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address_v6_range.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/address_v6_range.cpp
@@ -2,7 +2,7 @@
 // address_v6_range.cpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/basic_endpoint.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/basic_endpoint.cpp
index 9adce02..e68f6b0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/basic_endpoint.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/basic_endpoint.cpp
@@ -2,7 +2,7 @@
 // basic_endpoint.cpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/basic_resolver.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/basic_resolver.cpp
index d7d6a01..52ba074 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/basic_resolver.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/basic_resolver.cpp
@@ -2,7 +2,7 @@
 // basic_resolver.cpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/basic_resolver_entry.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/basic_resolver_entry.cpp
index b44a8d0..7d8f3c4 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/basic_resolver_entry.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/basic_resolver_entry.cpp
@@ -2,7 +2,7 @@
 // basic_resolver_entry.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/basic_resolver_iterator.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/basic_resolver_iterator.cpp
index d8f0874..5022538 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/basic_resolver_iterator.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/basic_resolver_iterator.cpp
@@ -2,7 +2,7 @@
 // basic_resolver_iterator.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/basic_resolver_query.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/basic_resolver_query.cpp
index 85725d6..7ecb3e1 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/basic_resolver_query.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/basic_resolver_query.cpp
@@ -2,7 +2,7 @@
 // basic_resolver_query.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/host_name.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/host_name.cpp
index de6a547..9eca531 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/host_name.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/host_name.cpp
@@ -2,7 +2,7 @@
 // host_name.cpp
 // ~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/icmp.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/icmp.cpp
index e5a5db7..c59aee5 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/icmp.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/icmp.cpp
@@ -2,7 +2,7 @@
 // icmp.cpp
 // ~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -21,7 +21,6 @@
 #include "asio/placeholders.hpp"
 #include "../unit_test.hpp"
 #include "../archetypes/async_result.hpp"
-#include "../archetypes/deprecated_async_result.hpp"
 #include "../archetypes/gettable_socket_option.hpp"
 #include "../archetypes/io_control_command.hpp"
 #include "../archetypes/settable_socket_option.hpp"
@@ -76,6 +75,7 @@ void test()
   try
   {
     io_context ioc;
+    const io_context::executor_type ioc_ex = ioc.get_executor();
     char mutable_char_buffer[128] = "";
     const char const_char_buffer[128] = "";
     socket_base::message_flags in_flags = 0;
@@ -87,9 +87,6 @@ void test()
     archetypes::gettable_socket_option<double> gettable_socket_option3;
     archetypes::io_control_command io_control_command;
     archetypes::lazy_handler lazy;
-#if !defined(ASIO_NO_DEPRECATED)
-    archetypes::deprecated_lazy_handler dlazy;
-#endif // !defined(ASIO_NO_DEPRECATED)
     asio::error_code ec;
 
     // basic_datagram_socket constructors.
@@ -105,8 +102,19 @@ void test()
     ip::icmp::socket socket6(ioc, ip::icmp::v4(), native_socket1);
 #endif // !defined(ASIO_WINDOWS_RUNTIME)
 
+    ip::icmp::socket socket7(ioc_ex);
+    ip::icmp::socket socket8(ioc_ex, ip::icmp::v4());
+    ip::icmp::socket socket9(ioc_ex, ip::icmp::v6());
+    ip::icmp::socket socket10(ioc_ex, ip::icmp::endpoint(ip::icmp::v4(), 0));
+    ip::icmp::socket socket11(ioc_ex, ip::icmp::endpoint(ip::icmp::v6(), 0));
+#if !defined(ASIO_WINDOWS_RUNTIME)
+    ip::icmp::socket::native_handle_type native_socket2
+      = ::socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+    ip::icmp::socket socket12(ioc_ex, ip::icmp::v4(), native_socket2);
+#endif // !defined(ASIO_WINDOWS_RUNTIME)
+
 #if defined(ASIO_HAS_MOVE)
-    ip::icmp::socket socket7(std::move(socket6));
+    ip::icmp::socket socket13(std::move(socket6));
 #endif // defined(ASIO_HAS_MOVE)
 
     // basic_datagram_socket operators.
@@ -118,11 +126,6 @@ void test()
 
     // basic_io_object functions.
 
-#if !defined(ASIO_NO_DEPRECATED)
-    io_context& ioc_ref = socket1.get_io_context();
-    (void)ioc_ref;
-#endif // !defined(ASIO_NO_DEPRECATED)
-
     ip::icmp::socket::executor_type ex = socket1.get_executor();
     (void)ex;
 
@@ -131,9 +134,9 @@ void test()
     ip::icmp::socket::lowest_layer_type& lowest_layer = socket1.lowest_layer();
     (void)lowest_layer;
 
-    const ip::icmp::socket& socket8 = socket1;
+    const ip::icmp::socket& socket14 = socket1;
     const ip::icmp::socket::lowest_layer_type& lowest_layer2
-      = socket8.lowest_layer();
+      = socket14.lowest_layer();
     (void)lowest_layer2;
 
     socket1.open(ip::icmp::v4());
@@ -142,12 +145,12 @@ void test()
     socket1.open(ip::icmp::v6(), ec);
 
 #if !defined(ASIO_WINDOWS_RUNTIME)
-    ip::icmp::socket::native_handle_type native_socket2
-      = ::socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
-    socket1.assign(ip::icmp::v4(), native_socket2);
     ip::icmp::socket::native_handle_type native_socket3
       = ::socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
-    socket1.assign(ip::icmp::v4(), native_socket3, ec);
+    socket1.assign(ip::icmp::v4(), native_socket3);
+    ip::icmp::socket::native_handle_type native_socket4
+      = ::socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+    socket1.assign(ip::icmp::v4(), native_socket4, ec);
 #endif // !defined(ASIO_WINDOWS_RUNTIME)
 
     bool is_open = socket1.is_open();
@@ -159,9 +162,9 @@ void test()
     socket1.release();
     socket1.release(ec);
 
-    ip::icmp::socket::native_handle_type native_socket4
+    ip::icmp::socket::native_handle_type native_socket5
       = socket1.native_handle();
-    (void)native_socket4;
+    (void)native_socket5;
 
     socket1.cancel();
     socket1.cancel(ec);
@@ -194,14 +197,6 @@ void test()
     (void)i1;
     int i2 = socket1.async_connect(ip::icmp::endpoint(ip::icmp::v6(), 0), lazy);
     (void)i2;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d1 = socket1.async_connect(
-        ip::icmp::endpoint(ip::icmp::v4(), 0), dlazy);
-    (void)d1;
-    double d2 = socket1.async_connect(
-        ip::icmp::endpoint(ip::icmp::v6(), 0), dlazy);
-    (void)d2;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
     socket1.set_option(settable_socket_option1);
     socket1.set_option(settable_socket_option1, ec);
@@ -231,10 +226,14 @@ void test()
     socket1.native_non_blocking(false, ec);
 
     ip::icmp::endpoint endpoint1 = socket1.local_endpoint();
+    (void)endpoint1;
     ip::icmp::endpoint endpoint2 = socket1.local_endpoint(ec);
+    (void)endpoint2;
 
     ip::icmp::endpoint endpoint3 = socket1.remote_endpoint();
+    (void)endpoint3;
     ip::icmp::endpoint endpoint4 = socket1.remote_endpoint(ec);
+    (void)endpoint4;
 
     socket1.shutdown(socket_base::shutdown_both);
     socket1.shutdown(socket_base::shutdown_both, ec);
@@ -269,21 +268,6 @@ void test()
     (void)i7;
     int i8 = socket1.async_send(null_buffers(), in_flags, lazy);
     (void)i8;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d3 = socket1.async_send(buffer(mutable_char_buffer), dlazy);
-    (void)d3;
-    double d4 = socket1.async_send(buffer(const_char_buffer), dlazy);
-    (void)d4;
-    double d5 = socket1.async_send(null_buffers(), dlazy);
-    (void)d5;
-    double d6 = socket1.async_send(
-        buffer(mutable_char_buffer), in_flags, dlazy);
-    (void)d6;
-    double d7 = socket1.async_send(buffer(const_char_buffer), in_flags, dlazy);
-    (void)d7;
-    double d8 = socket1.async_send(null_buffers(), in_flags, dlazy);
-    (void)d8;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
     socket1.send_to(buffer(mutable_char_buffer),
         ip::icmp::endpoint(ip::icmp::v4(), 0));
@@ -382,44 +366,6 @@ void test()
     int i20 = socket1.async_send_to(null_buffers(),
         ip::icmp::endpoint(ip::icmp::v6(), 0), in_flags, lazy);
     (void)i20;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d9 = socket1.async_send_to(buffer(mutable_char_buffer),
-        ip::icmp::endpoint(ip::icmp::v4(), 0), dlazy);
-    (void)d9;
-    double d10 = socket1.async_send_to(buffer(mutable_char_buffer),
-        ip::icmp::endpoint(ip::icmp::v6(), 0), dlazy);
-    (void)d10;
-    double d11 = socket1.async_send_to(buffer(const_char_buffer),
-        ip::icmp::endpoint(ip::icmp::v4(), 0), dlazy);
-    (void)d11;
-    double d12 = socket1.async_send_to(buffer(const_char_buffer),
-        ip::icmp::endpoint(ip::icmp::v6(), 0), dlazy);
-    (void)d12;
-    double d13 = socket1.async_send_to(null_buffers(),
-        ip::icmp::endpoint(ip::icmp::v4(), 0), dlazy);
-    (void)d13;
-    double d14 = socket1.async_send_to(null_buffers(),
-        ip::icmp::endpoint(ip::icmp::v6(), 0), dlazy);
-    (void)d14;
-    double d15 = socket1.async_send_to(buffer(mutable_char_buffer),
-        ip::icmp::endpoint(ip::icmp::v4(), 0), in_flags, dlazy);
-    (void)d15;
-    double d16 = socket1.async_send_to(buffer(mutable_char_buffer),
-        ip::icmp::endpoint(ip::icmp::v6(), 0), in_flags, dlazy);
-    (void)d16;
-    double d17 = socket1.async_send_to(buffer(const_char_buffer),
-        ip::icmp::endpoint(ip::icmp::v4(), 0), in_flags, dlazy);
-    (void)d17;
-    double d18 = socket1.async_send_to(buffer(const_char_buffer),
-        ip::icmp::endpoint(ip::icmp::v6(), 0), in_flags, dlazy);
-    (void)d18;
-    double d19 = socket1.async_send_to(null_buffers(),
-        ip::icmp::endpoint(ip::icmp::v4(), 0), in_flags, dlazy);
-    (void)d19;
-    double d20 = socket1.async_send_to(null_buffers(),
-        ip::icmp::endpoint(ip::icmp::v6(), 0), in_flags, dlazy);
-    (void)d20;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
     socket1.receive(buffer(mutable_char_buffer));
     socket1.receive(null_buffers());
@@ -442,17 +388,6 @@ void test()
     (void)i23;
     int i24 = socket1.async_receive(null_buffers(), in_flags, lazy);
     (void)i24;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d21 = socket1.async_receive(buffer(mutable_char_buffer), dlazy);
-    (void)d21;
-    double d22 = socket1.async_receive(null_buffers(), dlazy);
-    (void)d22;
-    double d23 = socket1.async_receive(buffer(mutable_char_buffer),
-        in_flags, dlazy);
-    (void)d23;
-    double d24 = socket1.async_receive(null_buffers(), in_flags, dlazy);
-    (void)d24;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
     ip::icmp::endpoint endpoint;
     socket1.receive_from(buffer(mutable_char_buffer), endpoint);
@@ -482,20 +417,6 @@ void test()
     int i28 = socket1.async_receive_from(null_buffers(),
         endpoint, in_flags, lazy);
     (void)i28;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d25 = socket1.async_receive_from(buffer(mutable_char_buffer),
-        endpoint, dlazy);
-    (void)d25;
-    double d26 = socket1.async_receive_from(null_buffers(),
-        endpoint, dlazy);
-    (void)d26;
-    double d27 = socket1.async_receive_from(buffer(mutable_char_buffer),
-        endpoint, in_flags, dlazy);
-    (void)d27;
-    double d28 = socket1.async_receive_from(null_buffers(),
-        endpoint, in_flags, dlazy);
-    (void)d28;
-#endif // !defined(ASIO_NO_DEPRECATED)
   }
   catch (std::exception&)
   {
@@ -533,10 +454,8 @@ void test()
   try
   {
     io_context ioc;
+    const io_context::executor_type ioc_ex = ioc.get_executor();
     archetypes::lazy_handler lazy;
-#if !defined(ASIO_NO_DEPRECATED)
-    archetypes::deprecated_lazy_handler dlazy;
-#endif // !defined(ASIO_NO_DEPRECATED)
     asio::error_code ec;
 #if !defined(ASIO_NO_DEPRECATED)
     ip::icmp::resolver::query q(ip::icmp::v4(), "localhost", "0");
@@ -546,25 +465,21 @@ void test()
     // basic_resolver constructors.
 
     ip::icmp::resolver resolver(ioc);
+    ip::icmp::resolver resolver2(ioc_ex);
 
 #if defined(ASIO_HAS_MOVE)
-    ip::icmp::resolver resolver2(std::move(resolver));
+    ip::icmp::resolver resolver3(std::move(resolver));
 #endif // defined(ASIO_HAS_MOVE)
 
     // basic_resolver operators.
 
 #if defined(ASIO_HAS_MOVE)
     resolver = ip::icmp::resolver(ioc);
-    resolver = std::move(resolver2);
+    resolver = std::move(resolver3);
 #endif // defined(ASIO_HAS_MOVE)
 
     // basic_io_object functions.
 
-#if !defined(ASIO_NO_DEPRECATED)
-    io_context& ioc_ref = resolver.get_io_context();
-    (void)ioc_ref;
-#endif // !defined(ASIO_NO_DEPRECATED)
-
     ip::icmp::resolver::executor_type ex = resolver.get_executor();
     (void)ex;
 
@@ -620,55 +535,30 @@ void test()
     resolver.async_resolve(q, resolve_handler());
     int i1 = resolver.async_resolve(q, lazy);
     (void)i1;
-    double d1 = resolver.async_resolve(q, dlazy);
-    (void)d1;
 #endif // !defined(ASIO_NO_DEPRECATED)
 
     resolver.async_resolve("", "", resolve_handler());
     int i2 = resolver.async_resolve("", "", lazy);
     (void)i2;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d2 = resolver.async_resolve("", "", dlazy);
-    (void)d2;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
     resolver.async_resolve("", "",
         ip::icmp::resolver::flags(), resolve_handler());
     int i3 = resolver.async_resolve("", "",
         ip::icmp::resolver::flags(), lazy);
     (void)i3;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d3 = resolver.async_resolve("", "",
-        ip::icmp::resolver::flags(), dlazy);
-    (void)d3;
-#endif // !defined(ASIO_NO_DEPRECATED)
-
     resolver.async_resolve(ip::icmp::v4(), "", "", resolve_handler());
     int i4 = resolver.async_resolve(ip::icmp::v4(), "", "", lazy);
     (void)i4;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d4 = resolver.async_resolve(ip::icmp::v4(), "", "", dlazy);
-    (void)d4;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
     resolver.async_resolve(ip::icmp::v4(),
         "", "", ip::icmp::resolver::flags(), resolve_handler());
     int i5 = resolver.async_resolve(ip::icmp::v4(),
         "", "", ip::icmp::resolver::flags(), lazy);
     (void)i5;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d5 = resolver.async_resolve(ip::icmp::v4(),
-        "", "", ip::icmp::resolver::flags(), dlazy);
-    (void)d5;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
     resolver.async_resolve(e, resolve_handler());
     int i6 = resolver.async_resolve(e, lazy);
     (void)i6;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d6 = resolver.async_resolve(e, dlazy);
-    (void)d6;
-#endif // !defined(ASIO_NO_DEPRECATED)
   }
   catch (std::exception&)
   {
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/multicast.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/multicast.cpp
index 9eae620..86d5b47 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/multicast.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/multicast.cpp
@@ -2,7 +2,7 @@
 // multicast.cpp
 // ~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/network_v4.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/network_v4.cpp
index c994ea8..019ecff 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/network_v4.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/network_v4.cpp
@@ -2,7 +2,7 @@
 // network_v4.cpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2014 Oliver Kowalke (oliver dot kowalke at gmail dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -95,15 +95,15 @@ void test()
     net1 = ip::make_network_v4("10.0.0.0/8", ec);
     net1 = ip::make_network_v4(s1);
     net1 = ip::make_network_v4(s1, ec);
-#if defined(ASIO_HAS_STD_STRING_VIEW)
-# if defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
-    std::experimental::string_view string_view_value("10.0.0.0/8");
-# else // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+#if defined(ASIO_HAS_STRING_VIEW)
+# if defined(ASIO_HAS_STD_STRING_VIEW)
     std::string_view string_view_value("10.0.0.0/8");
+# elif defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+    std::experimental::string_view string_view_value("10.0.0.0/8");
 # endif // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
     net1 = ip::make_network_v4(string_view_value);
     net1 = ip::make_network_v4(string_view_value, ec);
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
 
     // network_v4 I/O.
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/network_v6.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/network_v6.cpp
index fa9470e..9c481f1 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/network_v6.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/network_v6.cpp
@@ -2,7 +2,7 @@
 // network_v6.cpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2014 Oliver Kowalke (oliver dot kowalke at gmail dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -87,15 +87,15 @@ void test()
     net1 = ip::make_network_v6("10.0.0.0/8", ec);
     net1 = ip::make_network_v6(s1);
     net1 = ip::make_network_v6(s1, ec);
-#if defined(ASIO_HAS_STD_STRING_VIEW)
-# if defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
-    std::experimental::string_view string_view_value("0::0/8");
-# else // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+#if defined(ASIO_HAS_STRING_VIEW)
+# if defined(ASIO_HAS_STD_STRING_VIEW)
     std::string_view string_view_value("0::0/8");
+# elif defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+    std::experimental::string_view string_view_value("0::0/8");
 # endif // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
     net1 = ip::make_network_v6(string_view_value);
     net1 = ip::make_network_v6(string_view_value, ec);
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_STD_STRING_VIEW)
 
     // network_v6 I/O.
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/resolver_query_base.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/resolver_query_base.cpp
index 146f94e..c482b19 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/resolver_query_base.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/resolver_query_base.cpp
@@ -2,7 +2,7 @@
 // resolver_query_base.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/resolver_service.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/resolver_service.cpp
deleted file mode 100644
index 3784faa..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/resolver_service.cpp
+++ /dev/null
@@ -1,25 +0,0 @@
-//
-// resolver_service.cpp
-// ~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-// Disable autolinking for unit tests.
-#if !defined(BOOST_ALL_NO_LIB)
-#define BOOST_ALL_NO_LIB 1
-#endif // !defined(BOOST_ALL_NO_LIB)
-
-// Test that header file is self-contained.
-#include "asio/ip/resolver_service.hpp"
-
-#include "../unit_test.hpp"
-
-ASIO_TEST_SUITE
-(
-  "ip/resolver_service",
-  ASIO_TEST_CASE(null_test)
-)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/tcp.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/tcp.cpp
index 99b156b..1ec7015 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/tcp.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/tcp.cpp
@@ -2,7 +2,7 @@
 // tcp.cpp
 // ~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -25,7 +25,6 @@
 #include "asio/write.hpp"
 #include "../unit_test.hpp"
 #include "../archetypes/async_result.hpp"
-#include "../archetypes/deprecated_async_result.hpp"
 #include "../archetypes/gettable_socket_option.hpp"
 #include "../archetypes/io_control_command.hpp"
 #include "../archetypes/settable_socket_option.hpp"
@@ -218,6 +217,7 @@ void test()
   try
   {
     io_context ioc;
+    const io_context::executor_type ioc_ex = ioc.get_executor();
     char mutable_char_buffer[128] = "";
     const char const_char_buffer[128] = "";
     array<asio::mutable_buffer, 2> mutable_buffers = {{
@@ -235,9 +235,6 @@ void test()
     archetypes::gettable_socket_option<double> gettable_socket_option3;
     archetypes::io_control_command io_control_command;
     archetypes::lazy_handler lazy;
-#if !defined(ASIO_NO_DEPRECATED)
-    archetypes::deprecated_lazy_handler dlazy;
-#endif // !defined(ASIO_NO_DEPRECATED)
     asio::error_code ec;
 
     // basic_stream_socket constructors.
@@ -253,8 +250,19 @@ void test()
     ip::tcp::socket socket6(ioc, ip::tcp::v4(), native_socket1);
 #endif // !defined(ASIO_WINDOWS_RUNTIME)
 
+    ip::tcp::socket socket7(ioc_ex);
+    ip::tcp::socket socket8(ioc_ex, ip::tcp::v4());
+    ip::tcp::socket socket9(ioc_ex, ip::tcp::v6());
+    ip::tcp::socket socket10(ioc_ex, ip::tcp::endpoint(ip::tcp::v4(), 0));
+    ip::tcp::socket socket11(ioc_ex, ip::tcp::endpoint(ip::tcp::v6(), 0));
+#if !defined(ASIO_WINDOWS_RUNTIME)
+    ip::tcp::socket::native_handle_type native_socket2
+      = ::socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+    ip::tcp::socket socket12(ioc_ex, ip::tcp::v4(), native_socket2);
+#endif // !defined(ASIO_WINDOWS_RUNTIME)
+
 #if defined(ASIO_HAS_MOVE)
-    ip::tcp::socket socket7(std::move(socket5));
+    ip::tcp::socket socket13(std::move(socket5));
 #endif // defined(ASIO_HAS_MOVE)
 
     // basic_stream_socket operators.
@@ -266,11 +274,6 @@ void test()
 
     // basic_io_object functions.
 
-#if !defined(ASIO_NO_DEPRECATED)
-    io_context& ioc_ref = socket1.get_io_context();
-    (void)ioc_ref;
-#endif // !defined(ASIO_NO_DEPRECATED)
-
     ip::tcp::socket::executor_type ex = socket1.get_executor();
     (void)ex;
 
@@ -279,9 +282,9 @@ void test()
     ip::tcp::socket::lowest_layer_type& lowest_layer = socket1.lowest_layer();
     (void)lowest_layer;
 
-    const ip::tcp::socket& socket8 = socket1;
+    const ip::tcp::socket& socket14 = socket1;
     const ip::tcp::socket::lowest_layer_type& lowest_layer2
-      = socket8.lowest_layer();
+      = socket14.lowest_layer();
     (void)lowest_layer2;
 
     socket1.open(ip::tcp::v4());
@@ -290,12 +293,12 @@ void test()
     socket1.open(ip::tcp::v6(), ec);
 
 #if !defined(ASIO_WINDOWS_RUNTIME)
-    ip::tcp::socket::native_handle_type native_socket2
-      = ::socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
-    socket1.assign(ip::tcp::v4(), native_socket2);
     ip::tcp::socket::native_handle_type native_socket3
       = ::socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
-    socket1.assign(ip::tcp::v4(), native_socket3, ec);
+    socket1.assign(ip::tcp::v4(), native_socket3);
+    ip::tcp::socket::native_handle_type native_socket4
+      = ::socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+    socket1.assign(ip::tcp::v4(), native_socket4, ec);
 #endif // !defined(ASIO_WINDOWS_RUNTIME)
 
     bool is_open = socket1.is_open();
@@ -307,9 +310,9 @@ void test()
     socket1.release();
     socket1.release(ec);
 
-    ip::tcp::socket::native_handle_type native_socket4
+    ip::tcp::socket::native_handle_type native_socket5
       = socket1.native_handle();
-    (void)native_socket4;
+    (void)native_socket5;
 
     socket1.cancel();
     socket1.cancel(ec);
@@ -342,14 +345,6 @@ void test()
     (void)i1;
     int i2 = socket1.async_connect(ip::tcp::endpoint(ip::tcp::v6(), 0), lazy);
     (void)i2;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d1 = socket1.async_connect(
-        ip::tcp::endpoint(ip::tcp::v4(), 0), dlazy);
-    (void)d1;
-    double d2 = socket1.async_connect(
-        ip::tcp::endpoint(ip::tcp::v6(), 0), dlazy);
-    (void)d2;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
     socket1.set_option(settable_socket_option1);
     socket1.set_option(settable_socket_option1, ec);
@@ -379,10 +374,14 @@ void test()
     socket1.native_non_blocking(false, ec);
 
     ip::tcp::endpoint endpoint1 = socket1.local_endpoint();
+    (void)endpoint1;
     ip::tcp::endpoint endpoint2 = socket1.local_endpoint(ec);
+    (void)endpoint2;
 
     ip::tcp::endpoint endpoint3 = socket1.remote_endpoint();
+    (void)endpoint3;
     ip::tcp::endpoint endpoint4 = socket1.remote_endpoint(ec);
+    (void)endpoint4;
 
     socket1.shutdown(socket_base::shutdown_both);
     socket1.shutdown(socket_base::shutdown_both, ec);
@@ -393,10 +392,6 @@ void test()
     socket1.async_wait(socket_base::wait_read, wait_handler());
     int i3 = socket1.async_wait(socket_base::wait_write, lazy);
     (void)i3;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d3 = socket1.async_wait(socket_base::wait_write, dlazy);
-    (void)d3;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
     // basic_stream_socket functions.
 
@@ -446,29 +441,6 @@ void test()
     (void)i12;
     int i13 = socket1.async_send(null_buffers(), in_flags, lazy);
     (void)i13;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d4 = socket1.async_send(buffer(mutable_char_buffer), dlazy);
-    (void)d4;
-    double d5 = socket1.async_send(buffer(const_char_buffer), dlazy);
-    (void)d5;
-    double d6 = socket1.async_send(mutable_buffers, dlazy);
-    (void)d6;
-    double d7 = socket1.async_send(const_buffers, dlazy);
-    (void)d7;
-    double d8 = socket1.async_send(null_buffers(), dlazy);
-    (void)d8;
-    double d9 = socket1.async_send(
-        buffer(mutable_char_buffer), in_flags, dlazy);
-    (void)d9;
-    double d10 = socket1.async_send(buffer(const_char_buffer), in_flags, dlazy);
-    (void)d10;
-    double d11 = socket1.async_send(mutable_buffers, in_flags, dlazy);
-    (void)d11;
-    double d12 = socket1.async_send(const_buffers, in_flags, dlazy);
-    (void)d12;
-    double d13 = socket1.async_send(null_buffers(), in_flags, dlazy);
-    (void)d13;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
     socket1.receive(buffer(mutable_char_buffer));
     socket1.receive(mutable_buffers);
@@ -500,21 +472,6 @@ void test()
     (void)i18;
     int i19 = socket1.async_receive(null_buffers(), in_flags, lazy);
     (void)i19;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d14 = socket1.async_receive(buffer(mutable_char_buffer), dlazy);
-    (void)d14;
-    double d15 = socket1.async_receive(mutable_buffers, dlazy);
-    (void)d15;
-    double d16 = socket1.async_receive(null_buffers(), dlazy);
-    (void)d16;
-    double d17 = socket1.async_receive(buffer(mutable_char_buffer), in_flags,
-        dlazy);
-    (void)d17;
-    double d18 = socket1.async_receive(mutable_buffers, in_flags, dlazy);
-    (void)d18;
-    double d19 = socket1.async_receive(null_buffers(), in_flags, dlazy);
-    (void)d19;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
     socket1.write_some(buffer(mutable_char_buffer));
     socket1.write_some(buffer(const_char_buffer));
@@ -542,18 +499,6 @@ void test()
     (void)i23;
     int i24 = socket1.async_write_some(null_buffers(), lazy);
     (void)i24;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d20 = socket1.async_write_some(buffer(mutable_char_buffer), dlazy);
-    (void)d20;
-    double d21 = socket1.async_write_some(buffer(const_char_buffer), dlazy);
-    (void)d21;
-    double d22 = socket1.async_write_some(mutable_buffers, dlazy);
-    (void)d22;
-    double d23 = socket1.async_write_some(const_buffers, dlazy);
-    (void)d23;
-    double d24 = socket1.async_write_some(null_buffers(), dlazy);
-    (void)d24;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
     socket1.read_some(buffer(mutable_char_buffer));
     socket1.read_some(mutable_buffers);
@@ -571,14 +516,6 @@ void test()
     (void)i26;
     int i27 = socket1.async_read_some(null_buffers(), lazy);
     (void)i27;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d25 = socket1.async_read_some(buffer(mutable_char_buffer), dlazy);
-    (void)d25;
-    double d26 = socket1.async_read_some(mutable_buffers, dlazy);
-    (void)d26;
-    double d27 = socket1.async_read_some(null_buffers(), dlazy);
-    (void)d27;
-#endif // !defined(ASIO_NO_DEPRECATED)
   }
   catch (std::exception&)
   {
@@ -802,7 +739,10 @@ void test()
   try
   {
     io_context ioc;
-    ip::tcp::socket peer_socket(ioc);
+    const io_context::executor_type ioc_ex = ioc.get_executor();
+    ip::tcp::socket peer_socket1(ioc);
+    asio::basic_stream_socket<ip::tcp,
+        io_context::executor_type> peer_socket2(ioc);
     ip::tcp::endpoint peer_endpoint;
     archetypes::settable_socket_option<void> settable_socket_option1;
     archetypes::settable_socket_option<int> settable_socket_option2;
@@ -812,9 +752,6 @@ void test()
     archetypes::gettable_socket_option<double> gettable_socket_option3;
     archetypes::io_control_command io_control_command;
     archetypes::lazy_handler lazy;
-#if !defined(ASIO_NO_DEPRECATED)
-    archetypes::deprecated_lazy_handler dlazy;
-#endif // !defined(ASIO_NO_DEPRECATED)
     asio::error_code ec;
 
     // basic_socket_acceptor constructors.
@@ -830,8 +767,19 @@ void test()
     ip::tcp::acceptor acceptor6(ioc, ip::tcp::v4(), native_acceptor1);
 #endif // !defined(ASIO_WINDOWS_RUNTIME)
 
+    ip::tcp::acceptor acceptor7(ioc_ex);
+    ip::tcp::acceptor acceptor8(ioc_ex, ip::tcp::v4());
+    ip::tcp::acceptor acceptor9(ioc_ex, ip::tcp::v6());
+    ip::tcp::acceptor acceptor10(ioc_ex, ip::tcp::endpoint(ip::tcp::v4(), 0));
+    ip::tcp::acceptor acceptor11(ioc_ex, ip::tcp::endpoint(ip::tcp::v6(), 0));
+#if !defined(ASIO_WINDOWS_RUNTIME)
+    ip::tcp::acceptor::native_handle_type native_acceptor2
+      = ::socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+    ip::tcp::acceptor acceptor12(ioc_ex, ip::tcp::v4(), native_acceptor2);
+#endif // !defined(ASIO_WINDOWS_RUNTIME)
+
 #if defined(ASIO_HAS_MOVE)
-    ip::tcp::acceptor acceptor7(std::move(acceptor5));
+    ip::tcp::acceptor acceptor13(std::move(acceptor5));
 #endif // defined(ASIO_HAS_MOVE)
 
     // basic_socket_acceptor operators.
@@ -843,11 +791,6 @@ void test()
 
     // basic_io_object functions.
 
-#if !defined(ASIO_NO_DEPRECATED)
-    io_context& ioc_ref = acceptor1.get_io_context();
-    (void)ioc_ref;
-#endif // !defined(ASIO_NO_DEPRECATED)
-
     ip::tcp::acceptor::executor_type ex = acceptor1.get_executor();
     (void)ex;
 
@@ -859,12 +802,12 @@ void test()
     acceptor1.open(ip::tcp::v6(), ec);
 
 #if !defined(ASIO_WINDOWS_RUNTIME)
-    ip::tcp::acceptor::native_handle_type native_acceptor2
-      = ::socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
-    acceptor1.assign(ip::tcp::v4(), native_acceptor2);
     ip::tcp::acceptor::native_handle_type native_acceptor3
       = ::socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
-    acceptor1.assign(ip::tcp::v4(), native_acceptor3, ec);
+    acceptor1.assign(ip::tcp::v4(), native_acceptor3);
+    ip::tcp::acceptor::native_handle_type native_acceptor4
+      = ::socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+    acceptor1.assign(ip::tcp::v4(), native_acceptor4, ec);
 #endif // !defined(ASIO_WINDOWS_RUNTIME)
 
     bool is_open = acceptor1.is_open();
@@ -876,9 +819,9 @@ void test()
     acceptor1.release();
     acceptor1.release(ec);
 
-    ip::tcp::acceptor::native_handle_type native_acceptor4
+    ip::tcp::acceptor::native_handle_type native_acceptor5
       = acceptor1.native_handle();
-    (void)native_acceptor4;
+    (void)native_acceptor5;
 
     acceptor1.cancel();
     acceptor1.cancel(ec);
@@ -916,7 +859,9 @@ void test()
     acceptor1.native_non_blocking(false, ec);
 
     ip::tcp::endpoint endpoint1 = acceptor1.local_endpoint();
+    (void)endpoint1;
     ip::tcp::endpoint endpoint2 = acceptor1.local_endpoint(ec);
+    (void)endpoint2;
 
     acceptor1.wait(socket_base::wait_read);
     acceptor1.wait(socket_base::wait_write, ec);
@@ -924,36 +869,46 @@ void test()
     acceptor1.async_wait(socket_base::wait_read, wait_handler());
     int i1 = acceptor1.async_wait(socket_base::wait_write, lazy);
     (void)i1;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d1 = acceptor1.async_wait(socket_base::wait_write, dlazy);
-    (void)d1;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
-    acceptor1.accept(peer_socket);
-    acceptor1.accept(peer_socket, ec);
-    acceptor1.accept(peer_socket, peer_endpoint);
-    acceptor1.accept(peer_socket, peer_endpoint, ec);
+    acceptor1.accept(peer_socket1);
+    acceptor1.accept(peer_socket1, ec);
+    acceptor1.accept(peer_socket1, peer_endpoint);
+    acceptor1.accept(peer_socket1, peer_endpoint, ec);
+
+    acceptor1.accept(peer_socket2);
+    acceptor1.accept(peer_socket2, ec);
+    acceptor1.accept(peer_socket2, peer_endpoint);
+    acceptor1.accept(peer_socket2, peer_endpoint, ec);
 
 #if defined(ASIO_HAS_MOVE)
-    peer_socket = acceptor1.accept();
-    peer_socket = acceptor1.accept(ioc);
-    peer_socket = acceptor1.accept(peer_endpoint);
-    peer_socket = acceptor1.accept(ioc, peer_endpoint);
-    (void)peer_socket;
+    peer_socket1 = acceptor1.accept();
+    peer_socket1 = acceptor1.accept(ioc);
+    peer_socket1 = acceptor1.accept(ioc_ex);
+    peer_socket1 = acceptor1.accept(peer_endpoint);
+    peer_socket1 = acceptor1.accept(ioc, peer_endpoint);
+    peer_socket1 = acceptor1.accept(ioc_ex, peer_endpoint);
+    (void)peer_socket1;
+
+    peer_socket2 = acceptor1.accept(ioc);
+    peer_socket2 = acceptor1.accept(ioc_ex);
+    peer_socket2 = acceptor1.accept(ioc, peer_endpoint);
+    peer_socket2 = acceptor1.accept(ioc_ex, peer_endpoint);
+    (void)peer_socket2;
 #endif // defined(ASIO_HAS_MOVE)
 
-    acceptor1.async_accept(peer_socket, accept_handler());
-    acceptor1.async_accept(peer_socket, peer_endpoint, accept_handler());
-    int i2 = acceptor1.async_accept(peer_socket, lazy);
+    acceptor1.async_accept(peer_socket1, accept_handler());
+    acceptor1.async_accept(peer_socket1, peer_endpoint, accept_handler());
+    int i2 = acceptor1.async_accept(peer_socket1, lazy);
     (void)i2;
-    int i3 = acceptor1.async_accept(peer_socket, peer_endpoint, lazy);
+    int i3 = acceptor1.async_accept(peer_socket1, peer_endpoint, lazy);
     (void)i3;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d2 = acceptor1.async_accept(peer_socket, dlazy);
-    (void)d2;
-    double d3 = acceptor1.async_accept(peer_socket, peer_endpoint, dlazy);
-    (void)d3;
-#endif // !defined(ASIO_NO_DEPRECATED)
+
+    acceptor1.async_accept(peer_socket2, accept_handler());
+    acceptor1.async_accept(peer_socket2, peer_endpoint, accept_handler());
+    int i4 = acceptor1.async_accept(peer_socket2, lazy);
+    (void)i4;
+    int i5 = acceptor1.async_accept(peer_socket2, peer_endpoint, lazy);
+    (void)i5;
 
 #if defined(ASIO_HAS_MOVE)
     acceptor1.async_accept(move_accept_handler());
@@ -1069,6 +1024,7 @@ private:
 #endif // defined(ASIO_HAS_MOVE)
 };
 
+#if !defined(ASIO_NO_DEPRECATED)
 struct legacy_resolve_handler
 {
   legacy_resolve_handler() {}
@@ -1080,6 +1036,7 @@ private:
   legacy_resolve_handler(const legacy_resolve_handler&);
 #endif // defined(ASIO_HAS_MOVE)
 };
+#endif // !defined(ASIO_NO_DEPRECATED)
 
 void test()
 {
@@ -1089,10 +1046,8 @@ void test()
   try
   {
     io_context ioc;
+    const io_context::executor_type ioc_ex = ioc.get_executor();
     archetypes::lazy_handler lazy;
-#if !defined(ASIO_NO_DEPRECATED)
-    archetypes::deprecated_lazy_handler dlazy;
-#endif // !defined(ASIO_NO_DEPRECATED)
     asio::error_code ec;
 #if !defined(ASIO_NO_DEPRECATED)
     ip::tcp::resolver::query q(ip::tcp::v4(), "localhost", "0");
@@ -1102,25 +1057,21 @@ void test()
     // basic_resolver constructors.
 
     ip::tcp::resolver resolver(ioc);
+    ip::tcp::resolver resolver2(ioc_ex);
 
 #if defined(ASIO_HAS_MOVE)
-    ip::tcp::resolver resolver2(std::move(resolver));
+    ip::tcp::resolver resolver3(std::move(resolver));
 #endif // defined(ASIO_HAS_MOVE)
 
     // basic_resolver operators.
 
 #if defined(ASIO_HAS_MOVE)
     resolver = ip::tcp::resolver(ioc);
-    resolver = std::move(resolver2);
+    resolver = std::move(resolver3);
 #endif // defined(ASIO_HAS_MOVE)
 
     // basic_io_object functions.
 
-#if !defined(ASIO_NO_DEPRECATED)
-    io_context& ioc_ref = resolver.get_io_context();
-    (void)ioc_ref;
-#endif // !defined(ASIO_NO_DEPRECATED)
-
     ip::tcp::resolver::executor_type ex = resolver.get_executor();
     (void)ex;
 
@@ -1177,62 +1128,48 @@ void test()
     resolver.async_resolve(q, legacy_resolve_handler());
     int i1 = resolver.async_resolve(q, lazy);
     (void)i1;
-    double d1 = resolver.async_resolve(q, dlazy);
-    (void)d1;
 #endif // !defined(ASIO_NO_DEPRECATED)
 
     resolver.async_resolve("", "", resolve_handler());
+#if !defined(ASIO_NO_DEPRECATED)
     resolver.async_resolve("", "", legacy_resolve_handler());
+#endif // !defined(ASIO_NO_DEPRECATED)
     int i2 = resolver.async_resolve("", "", lazy);
     (void)i2;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d2 = resolver.async_resolve("", "", dlazy);
-    (void)d2;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
     resolver.async_resolve("", "",
         ip::tcp::resolver::flags(), resolve_handler());
+#if !defined(ASIO_NO_DEPRECATED)
     resolver.async_resolve("", "",
         ip::tcp::resolver::flags(), legacy_resolve_handler());
+#endif // !defined(ASIO_NO_DEPRECATED)
     int i3 = resolver.async_resolve("", "",
         ip::tcp::resolver::flags(), lazy);
     (void)i3;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d3 = resolver.async_resolve("", "",
-        ip::tcp::resolver::flags(), dlazy);
-    (void)d3;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
     resolver.async_resolve(ip::tcp::v4(), "", "", resolve_handler());
+#if !defined(ASIO_NO_DEPRECATED)
     resolver.async_resolve(ip::tcp::v4(), "", "", legacy_resolve_handler());
+#endif // !defined(ASIO_NO_DEPRECATED)
     int i4 = resolver.async_resolve(ip::tcp::v4(), "", "", lazy);
     (void)i4;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d4 = resolver.async_resolve(ip::tcp::v4(), "", "", dlazy);
-    (void)d4;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
     resolver.async_resolve(ip::tcp::v4(),
         "", "", ip::tcp::resolver::flags(), resolve_handler());
+#if !defined(ASIO_NO_DEPRECATED)
     resolver.async_resolve(ip::tcp::v4(),
         "", "", ip::tcp::resolver::flags(), legacy_resolve_handler());
+#endif // !defined(ASIO_NO_DEPRECATED)
     int i5 = resolver.async_resolve(ip::tcp::v4(),
         "", "", ip::tcp::resolver::flags(), lazy);
     (void)i5;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d5 = resolver.async_resolve(ip::tcp::v4(),
-        "", "", ip::tcp::resolver::flags(), dlazy);
-    (void)d5;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
     resolver.async_resolve(e, resolve_handler());
+#if !defined(ASIO_NO_DEPRECATED)
     resolver.async_resolve(e, legacy_resolve_handler());
+#endif // !defined(ASIO_NO_DEPRECATED)
     int i6 = resolver.async_resolve(e, lazy);
     (void)i6;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d6 = resolver.async_resolve(e, dlazy);
-    (void)d6;
-#endif // !defined(ASIO_NO_DEPRECATED)
   }
   catch (std::exception&)
   {
@@ -1352,11 +1289,7 @@ void test()
 
   (void)static_cast<std::streambuf*>(ios1.rdbuf());
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-  basic_socket<ip::tcp, stream_socket_service<ip::tcp> >& sref = ios1.socket();
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
   basic_socket<ip::tcp>& sref = ios1.socket();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
   (void)sref;
 
   asio::error_code ec = ios1.error();
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/udp.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/udp.cpp
index 694fab0..d23f622 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/udp.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/udp.cpp
@@ -2,7 +2,7 @@
 // udp.cpp
 // ~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -20,7 +20,6 @@
 #include "asio/io_context.hpp"
 #include "../unit_test.hpp"
 #include "../archetypes/async_result.hpp"
-#include "../archetypes/deprecated_async_result.hpp"
 #include "../archetypes/gettable_socket_option.hpp"
 #include "../archetypes/io_control_command.hpp"
 #include "../archetypes/settable_socket_option.hpp"
@@ -92,6 +91,7 @@ void test()
   try
   {
     io_context ioc;
+    const io_context::executor_type ioc_ex = ioc.get_executor();
     char mutable_char_buffer[128] = "";
     const char const_char_buffer[128] = "";
     socket_base::message_flags in_flags = 0;
@@ -103,9 +103,6 @@ void test()
     archetypes::gettable_socket_option<double> gettable_socket_option3;
     archetypes::io_control_command io_control_command;
     archetypes::lazy_handler lazy;
-#if !defined(ASIO_NO_DEPRECATED)
-    archetypes::deprecated_lazy_handler dlazy;
-#endif // !defined(ASIO_NO_DEPRECATED)
     asio::error_code ec;
 
     // basic_datagram_socket constructors.
@@ -121,8 +118,19 @@ void test()
     ip::udp::socket socket6(ioc, ip::udp::v4(), native_socket1);
 #endif // !defined(ASIO_WINDOWS_RUNTIME)
 
+    ip::udp::socket socket7(ioc_ex);
+    ip::udp::socket socket8(ioc_ex, ip::udp::v4());
+    ip::udp::socket socket9(ioc_ex, ip::udp::v6());
+    ip::udp::socket socket10(ioc_ex, ip::udp::endpoint(ip::udp::v4(), 0));
+    ip::udp::socket socket11(ioc_ex, ip::udp::endpoint(ip::udp::v6(), 0));
+#if !defined(ASIO_WINDOWS_RUNTIME)
+    ip::udp::socket::native_handle_type native_socket2
+      = ::socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+    ip::udp::socket socket12(ioc_ex, ip::udp::v4(), native_socket2);
+#endif // !defined(ASIO_WINDOWS_RUNTIME)
+
 #if defined(ASIO_HAS_MOVE)
-    ip::udp::socket socket7(std::move(socket6));
+    ip::udp::socket socket13(std::move(socket6));
 #endif // defined(ASIO_HAS_MOVE)
 
     // basic_datagram_socket operators.
@@ -134,11 +142,6 @@ void test()
 
     // basic_io_object functions.
 
-#if !defined(ASIO_NO_DEPRECATED)
-    io_context& ioc_ref = socket1.get_io_context();
-    (void)ioc_ref;
-#endif // !defined(ASIO_NO_DEPRECATED)
-
     ip::udp::socket::executor_type ex = socket1.get_executor();
     (void)ex;
 
@@ -147,9 +150,9 @@ void test()
     ip::udp::socket::lowest_layer_type& lowest_layer = socket1.lowest_layer();
     (void)lowest_layer;
 
-    const ip::udp::socket& socket8 = socket1;
+    const ip::udp::socket& socket14 = socket1;
     const ip::udp::socket::lowest_layer_type& lowest_layer2
-      = socket8.lowest_layer();
+      = socket14.lowest_layer();
     (void)lowest_layer2;
 
     socket1.open(ip::udp::v4());
@@ -158,12 +161,12 @@ void test()
     socket1.open(ip::udp::v6(), ec);
 
 #if !defined(ASIO_WINDOWS_RUNTIME)
-    ip::udp::socket::native_handle_type native_socket2
-      = ::socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
-    socket1.assign(ip::udp::v4(), native_socket2);
     ip::udp::socket::native_handle_type native_socket3
       = ::socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
-    socket1.assign(ip::udp::v4(), native_socket3, ec);
+    socket1.assign(ip::udp::v4(), native_socket3);
+    ip::udp::socket::native_handle_type native_socket4
+      = ::socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+    socket1.assign(ip::udp::v4(), native_socket4, ec);
 #endif // !defined(ASIO_WINDOWS_RUNTIME)
 
     bool is_open = socket1.is_open();
@@ -175,9 +178,9 @@ void test()
     socket1.release();
     socket1.release(ec);
 
-    ip::udp::socket::native_handle_type native_socket4
+    ip::udp::socket::native_handle_type native_socket5
       = socket1.native_handle();
-    (void)native_socket4;
+    (void)native_socket5;
 
     socket1.cancel();
     socket1.cancel(ec);
@@ -210,14 +213,6 @@ void test()
     (void)i1;
     int i2 = socket1.async_connect(ip::udp::endpoint(ip::udp::v6(), 0), lazy);
     (void)i2;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d1 = socket1.async_connect(
-        ip::udp::endpoint(ip::udp::v4(), 0), dlazy);
-    (void)d1;
-    double d2 = socket1.async_connect(
-        ip::udp::endpoint(ip::udp::v6(), 0), dlazy);
-    (void)d2;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
     socket1.set_option(settable_socket_option1);
     socket1.set_option(settable_socket_option1, ec);
@@ -247,10 +242,14 @@ void test()
     socket1.native_non_blocking(false, ec);
 
     ip::udp::endpoint endpoint1 = socket1.local_endpoint();
+    (void)endpoint1;
     ip::udp::endpoint endpoint2 = socket1.local_endpoint(ec);
+    (void)endpoint2;
 
     ip::udp::endpoint endpoint3 = socket1.remote_endpoint();
+    (void)endpoint3;
     ip::udp::endpoint endpoint4 = socket1.remote_endpoint(ec);
+    (void)endpoint4;
 
     socket1.shutdown(socket_base::shutdown_both);
     socket1.shutdown(socket_base::shutdown_both, ec);
@@ -261,10 +260,6 @@ void test()
     socket1.async_wait(socket_base::wait_read, wait_handler());
     int i3 = socket1.async_wait(socket_base::wait_write, lazy);
     (void)i3;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d3 = socket1.async_wait(socket_base::wait_write, dlazy);
-    (void)d3;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
     // basic_datagram_socket functions.
 
@@ -296,21 +291,6 @@ void test()
     (void)i8;
     int i9 = socket1.async_send(null_buffers(), in_flags, lazy);
     (void)i9;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d4 = socket1.async_send(buffer(mutable_char_buffer), dlazy);
-    (void)d4;
-    double d5 = socket1.async_send(buffer(const_char_buffer), dlazy);
-    (void)d5;
-    double d6 = socket1.async_send(null_buffers(), dlazy);
-    (void)d6;
-    double d7 = socket1.async_send(
-        buffer(mutable_char_buffer), in_flags, dlazy);
-    (void)d7;
-    double d8 = socket1.async_send(buffer(const_char_buffer), in_flags, dlazy);
-    (void)d8;
-    double d9 = socket1.async_send(null_buffers(), in_flags, dlazy);
-    (void)d9;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
     socket1.send_to(buffer(mutable_char_buffer),
         ip::udp::endpoint(ip::udp::v4(), 0));
@@ -409,44 +389,6 @@ void test()
     int i21 = socket1.async_send_to(null_buffers(),
         ip::udp::endpoint(ip::udp::v6(), 0), in_flags, lazy);
     (void)i21;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d10 = socket1.async_send_to(buffer(mutable_char_buffer),
-        ip::udp::endpoint(ip::udp::v4(), 0), dlazy);
-    (void)d10;
-    double d11 = socket1.async_send_to(buffer(mutable_char_buffer),
-        ip::udp::endpoint(ip::udp::v6(), 0), dlazy);
-    (void)d11;
-    double d12 = socket1.async_send_to(buffer(const_char_buffer),
-        ip::udp::endpoint(ip::udp::v4(), 0), dlazy);
-    (void)d12;
-    double d13 = socket1.async_send_to(buffer(const_char_buffer),
-        ip::udp::endpoint(ip::udp::v6(), 0), dlazy);
-    (void)d13;
-    double d14 = socket1.async_send_to(null_buffers(),
-        ip::udp::endpoint(ip::udp::v4(), 0), dlazy);
-    (void)d14;
-    double d15 = socket1.async_send_to(null_buffers(),
-        ip::udp::endpoint(ip::udp::v6(), 0), dlazy);
-    (void)d15;
-    double d16 = socket1.async_send_to(buffer(mutable_char_buffer),
-        ip::udp::endpoint(ip::udp::v4(), 0), in_flags, dlazy);
-    (void)d16;
-    double d17 = socket1.async_send_to(buffer(mutable_char_buffer),
-        ip::udp::endpoint(ip::udp::v6(), 0), in_flags, dlazy);
-    (void)d17;
-    double d18 = socket1.async_send_to(buffer(const_char_buffer),
-        ip::udp::endpoint(ip::udp::v4(), 0), in_flags, dlazy);
-    (void)d18;
-    double d19 = socket1.async_send_to(buffer(const_char_buffer),
-        ip::udp::endpoint(ip::udp::v6(), 0), in_flags, dlazy);
-    (void)d19;
-    double d20 = socket1.async_send_to(null_buffers(),
-        ip::udp::endpoint(ip::udp::v4(), 0), in_flags, dlazy);
-    (void)d20;
-    double d21 = socket1.async_send_to(null_buffers(),
-        ip::udp::endpoint(ip::udp::v6(), 0), in_flags, dlazy);
-    (void)d21;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
     socket1.receive(buffer(mutable_char_buffer));
     socket1.receive(null_buffers());
@@ -469,17 +411,6 @@ void test()
     (void)i24;
     int i25 = socket1.async_receive(null_buffers(), in_flags, lazy);
     (void)i25;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d22 = socket1.async_receive(buffer(mutable_char_buffer), dlazy);
-    (void)d22;
-    double d23 = socket1.async_receive(null_buffers(), dlazy);
-    (void)d23;
-    double d24 = socket1.async_receive(buffer(mutable_char_buffer),
-        in_flags, dlazy);
-    (void)d24;
-    double d25 = socket1.async_receive(null_buffers(), in_flags, dlazy);
-    (void)d25;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
     ip::udp::endpoint endpoint;
     socket1.receive_from(buffer(mutable_char_buffer), endpoint);
@@ -509,20 +440,6 @@ void test()
     int i29 = socket1.async_receive_from(null_buffers(),
         endpoint, in_flags, lazy);
     (void)i29;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d26 = socket1.async_receive_from(buffer(mutable_char_buffer),
-        endpoint, dlazy);
-    (void)d26;
-    double d27 = socket1.async_receive_from(null_buffers(),
-        endpoint, dlazy);
-    (void)d27;
-    double d28 = socket1.async_receive_from(buffer(mutable_char_buffer),
-        endpoint, in_flags, dlazy);
-    (void)d28;
-    double d29 = socket1.async_receive_from(null_buffers(),
-        endpoint, in_flags, dlazy);
-    (void)d29;
-#endif // !defined(ASIO_NO_DEPRECATED)
   }
   catch (std::exception&)
   {
@@ -631,10 +548,8 @@ void test()
   try
   {
     io_context ioc;
+    const io_context::executor_type ioc_ex = ioc.get_executor();
     archetypes::lazy_handler lazy;
-#if !defined(ASIO_NO_DEPRECATED)
-    archetypes::deprecated_lazy_handler dlazy;
-#endif // !defined(ASIO_NO_DEPRECATED)
     asio::error_code ec;
 #if !defined(ASIO_NO_DEPRECATED)
     ip::udp::resolver::query q(ip::udp::v4(), "localhost", "0");
@@ -644,25 +559,21 @@ void test()
     // basic_resolver constructors.
 
     ip::udp::resolver resolver(ioc);
+    ip::udp::resolver resolver2(ioc_ex);
 
 #if defined(ASIO_HAS_MOVE)
-    ip::udp::resolver resolver2(std::move(resolver));
+    ip::udp::resolver resolver3(std::move(resolver));
 #endif // defined(ASIO_HAS_MOVE)
 
     // basic_resolver operators.
 
 #if defined(ASIO_HAS_MOVE)
     resolver = ip::udp::resolver(ioc);
-    resolver = std::move(resolver2);
+    resolver = std::move(resolver3);
 #endif // defined(ASIO_HAS_MOVE)
 
     // basic_io_object functions.
 
-#if !defined(ASIO_NO_DEPRECATED)
-    io_context& ioc_ref = resolver.get_io_context();
-    (void)ioc_ref;
-#endif // !defined(ASIO_NO_DEPRECATED)
-
     ip::udp::resolver::executor_type ex = resolver.get_executor();
     (void)ex;
 
@@ -718,55 +629,31 @@ void test()
     resolver.async_resolve(q, resolve_handler());
     int i1 = resolver.async_resolve(q, lazy);
     (void)i1;
-    double d1 = resolver.async_resolve(q, dlazy);
-    (void)d1;
 #endif // !defined(ASIO_NO_DEPRECATED)
 
     resolver.async_resolve("", "", resolve_handler());
     int i2 = resolver.async_resolve("", "", lazy);
     (void)i2;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d2 = resolver.async_resolve("", "", dlazy);
-    (void)d2;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
     resolver.async_resolve("", "",
         ip::udp::resolver::flags(), resolve_handler());
     int i3 = resolver.async_resolve("", "",
         ip::udp::resolver::flags(), lazy);
     (void)i3;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d3 = resolver.async_resolve("", "",
-        ip::udp::resolver::flags(), dlazy);
-    (void)d3;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
     resolver.async_resolve(ip::udp::v4(), "", "", resolve_handler());
     int i4 = resolver.async_resolve(ip::udp::v4(), "", "", lazy);
     (void)i4;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d4 = resolver.async_resolve(ip::udp::v4(), "", "", dlazy);
-    (void)d4;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
     resolver.async_resolve(ip::udp::v4(),
         "", "", ip::udp::resolver::flags(), resolve_handler());
     int i5 = resolver.async_resolve(ip::udp::v4(),
         "", "", ip::udp::resolver::flags(), lazy);
     (void)i5;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d5 = resolver.async_resolve(ip::udp::v4(),
-        "", "", ip::udp::resolver::flags(), dlazy);
-    (void)d5;
-#endif // !defined(ASIO_NO_DEPRECATED)
 
     resolver.async_resolve(e, resolve_handler());
     int i6 = resolver.async_resolve(e, lazy);
     (void)i6;
-#if !defined(ASIO_NO_DEPRECATED)
-    double d6 = resolver.async_resolve(e, dlazy);
-    (void)d6;
-#endif // !defined(ASIO_NO_DEPRECATED)
   }
   catch (std::exception&)
   {
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/unicast.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/unicast.cpp
index 60f3827..78603d4 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/unicast.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/unicast.cpp
@@ -2,7 +2,7 @@
 // unicast.cpp
 // ~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/v6_only.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/v6_only.cpp
index d899003..a5942b9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/v6_only.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ip/v6_only.cpp
@@ -2,7 +2,7 @@
 // v6_only.cpp
 // ~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/is_read_buffered.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/is_read_buffered.cpp
index a3bacd6..abaa8e9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/is_read_buffered.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/is_read_buffered.cpp
@@ -2,7 +2,7 @@
 // is_read_buffered.cpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/is_write_buffered.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/is_write_buffered.cpp
index 7413c32..4f9a127 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/is_write_buffered.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/is_write_buffered.cpp
@@ -2,7 +2,7 @@
 // is_write_buffered.cpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/local/basic_endpoint.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/local/basic_endpoint.cpp
index b311357..55ee027 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/local/basic_endpoint.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/local/basic_endpoint.cpp
@@ -2,7 +2,7 @@
 // basic_endpoint.cpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/local/connect_pair.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/local/connect_pair.cpp
index 38153fd..edef365 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/local/connect_pair.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/local/connect_pair.cpp
@@ -2,7 +2,7 @@
 // connect_pair.cpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/local/datagram_protocol.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/local/datagram_protocol.cpp
index 02ead9d..8d66e4b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/local/datagram_protocol.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/local/datagram_protocol.cpp
@@ -2,7 +2,7 @@
 // datagram_protocol.cpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -52,6 +52,7 @@ void test()
   try
   {
     io_context ioc;
+    const io_context::executor_type ioc_ex = ioc.get_executor();
     char mutable_char_buffer[128] = "";
     const char const_char_buffer[128] = "";
     socket_base::message_flags in_flags = 0;
@@ -67,12 +68,13 @@ void test()
     int native_socket1 = ::socket(AF_UNIX, SOCK_DGRAM, 0);
     dp::socket socket4(ioc, dp(), native_socket1);
 
-    // basic_io_object functions.
+    dp::socket socket5(ioc_ex);
+    dp::socket socket6(ioc_ex, dp());
+    dp::socket socket7(ioc_ex, dp::endpoint(""));
+    int native_socket2 = ::socket(AF_UNIX, SOCK_DGRAM, 0);
+    dp::socket socket8(ioc_ex, dp(), native_socket2);
 
-#if !defined(ASIO_NO_DEPRECATED)
-    io_context& ioc_ref = socket1.get_io_context();
-    (void)ioc_ref;
-#endif // !defined(ASIO_NO_DEPRECATED)
+    // basic_io_object functions.
 
     dp::socket::executor_type ex = socket1.get_executor();
     (void)ex;
@@ -85,10 +87,10 @@ void test()
     socket1.open(dp());
     socket1.open(dp(), ec);
 
-    int native_socket2 = ::socket(AF_UNIX, SOCK_DGRAM, 0);
-    socket1.assign(dp(), native_socket2);
     int native_socket3 = ::socket(AF_UNIX, SOCK_DGRAM, 0);
-    socket1.assign(dp(), native_socket3, ec);
+    socket1.assign(dp(), native_socket3);
+    int native_socket4 = ::socket(AF_UNIX, SOCK_DGRAM, 0);
+    socket1.assign(dp(), native_socket4, ec);
 
     bool is_open = socket1.is_open();
     (void)is_open;
@@ -96,8 +98,8 @@ void test()
     socket1.close();
     socket1.close(ec);
 
-    dp::socket::native_handle_type native_socket4 = socket1.native_handle();
-    (void)native_socket4;
+    dp::socket::native_handle_type native_socket5 = socket1.native_handle();
+    (void)native_socket5;
 
     socket1.cancel();
     socket1.cancel(ec);
@@ -130,10 +132,14 @@ void test()
     socket1.io_control(io_control_command, ec);
 
     dp::endpoint endpoint1 = socket1.local_endpoint();
+    (void)endpoint1;
     dp::endpoint endpoint2 = socket1.local_endpoint(ec);
+    (void)endpoint2;
 
     dp::endpoint endpoint3 = socket1.remote_endpoint();
+    (void)endpoint3;
     dp::endpoint endpoint4 = socket1.remote_endpoint(ec);
+    (void)endpoint4;
 
     socket1.shutdown(socket_base::shutdown_both);
     socket1.shutdown(socket_base::shutdown_both, ec);
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/local/stream_protocol.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/local/stream_protocol.cpp
index 9db9d94..fd82b49 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/local/stream_protocol.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/local/stream_protocol.cpp
@@ -2,7 +2,7 @@
 // stream_protocol.cpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -60,6 +60,7 @@ void test()
   try
   {
     io_context ioc;
+    const io_context::executor_type ioc_ex = ioc.get_executor();
     char mutable_char_buffer[128] = "";
     const char const_char_buffer[128] = "";
     socket_base::message_flags in_flags = 0;
@@ -75,12 +76,13 @@ void test()
     int native_socket1 = ::socket(AF_UNIX, SOCK_STREAM, 0);
     sp::socket socket4(ioc, sp(), native_socket1);
 
-    // basic_io_object functions.
+    sp::socket socket5(ioc_ex);
+    sp::socket socket6(ioc_ex, sp());
+    sp::socket socket7(ioc_ex, sp::endpoint(""));
+    int native_socket2 = ::socket(AF_UNIX, SOCK_STREAM, 0);
+    sp::socket socket8(ioc_ex, sp(), native_socket2);
 
-#if !defined(ASIO_NO_DEPRECATED)
-    io_context& ioc_ref = socket1.get_io_context();
-    (void)ioc_ref;
-#endif // !defined(ASIO_NO_DEPRECATED)
+    // basic_io_object functions.
 
     sp::socket::executor_type ex = socket1.get_executor();
     (void)ex;
@@ -93,10 +95,10 @@ void test()
     socket1.open(sp());
     socket1.open(sp(), ec);
 
-    int native_socket2 = ::socket(AF_UNIX, SOCK_STREAM, 0);
-    socket1.assign(sp(), native_socket2);
     int native_socket3 = ::socket(AF_UNIX, SOCK_STREAM, 0);
-    socket1.assign(sp(), native_socket3, ec);
+    socket1.assign(sp(), native_socket3);
+    int native_socket4 = ::socket(AF_UNIX, SOCK_STREAM, 0);
+    socket1.assign(sp(), native_socket4, ec);
 
     bool is_open = socket1.is_open();
     (void)is_open;
@@ -104,8 +106,8 @@ void test()
     socket1.close();
     socket1.close(ec);
 
-    sp::socket::native_handle_type native_socket4 = socket1.native_handle();
-    (void)native_socket4;
+    sp::socket::native_handle_type native_socket5 = socket1.native_handle();
+    (void)native_socket5;
 
     socket1.cancel();
     socket1.cancel(ec);
@@ -138,10 +140,14 @@ void test()
     socket1.io_control(io_control_command, ec);
 
     sp::endpoint endpoint1 = socket1.local_endpoint();
+    (void)endpoint1;
     sp::endpoint endpoint2 = socket1.local_endpoint(ec);
+    (void)endpoint2;
 
     sp::endpoint endpoint3 = socket1.remote_endpoint();
+    (void)endpoint3;
     sp::endpoint endpoint4 = socket1.remote_endpoint(ec);
+    (void)endpoint4;
 
     socket1.shutdown(socket_base::shutdown_both);
     socket1.shutdown(socket_base::shutdown_both, ec);
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/packaged_task.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/packaged_task.cpp
index 28d084a..11fd941 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/packaged_task.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/packaged_task.cpp
@@ -2,7 +2,7 @@
 // packaged_task.cpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/placeholders.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/placeholders.cpp
index 895d35e..79f3575 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/placeholders.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/placeholders.cpp
@@ -2,7 +2,7 @@
 // placeholders.cpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/.gitignore b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/.gitignore
index 2de575a..8ce6e1d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/.gitignore
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/.gitignore
@@ -12,4 +12,3 @@ basic_stream_descriptor
 descriptor
 descriptor_base
 stream_descriptor
-stream_descriptor_service
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/basic_descriptor.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/basic_descriptor.cpp
index 6e73990..565c959 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/basic_descriptor.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/basic_descriptor.cpp
@@ -2,7 +2,7 @@
 // basic_descriptor.cpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/basic_stream_descriptor.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/basic_stream_descriptor.cpp
index 2cda119..15c06fe 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/basic_stream_descriptor.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/basic_stream_descriptor.cpp
@@ -2,7 +2,7 @@
 // basic_stream_descriptor.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/descriptor.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/descriptor.cpp
index 24c4648..e35f204 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/descriptor.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/descriptor.cpp
@@ -2,7 +2,7 @@
 // descriptor.cpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/descriptor_base.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/descriptor_base.cpp
index d36e1d7..3f825af 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/descriptor_base.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/descriptor_base.cpp
@@ -2,7 +2,7 @@
 // descriptor_base.cpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/stream_descriptor.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/stream_descriptor.cpp
index f508c64..bf6c7ec 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/stream_descriptor.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/stream_descriptor.cpp
@@ -2,7 +2,7 @@
 // stream_descriptor.cpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -51,6 +51,7 @@ void test()
   try
   {
     io_context ioc;
+    const io_context::executor_type ioc_ex = ioc.get_executor();
     char mutable_char_buffer[128] = "";
     const char const_char_buffer[128] = "";
     posix::descriptor_base::bytes_readable io_control_command;
@@ -60,11 +61,13 @@ void test()
     // basic_stream_descriptor constructors.
 
     posix::stream_descriptor descriptor1(ioc);
+    posix::stream_descriptor descriptor2(ioc_ex);
     int native_descriptor1 = -1;
-    posix::stream_descriptor descriptor2(ioc, native_descriptor1);
+    posix::stream_descriptor descriptor3(ioc, native_descriptor1);
+    posix::stream_descriptor descriptor4(ioc_ex, native_descriptor1);
 
 #if defined(ASIO_HAS_MOVE)
-    posix::stream_descriptor descriptor3(std::move(descriptor2));
+    posix::stream_descriptor descriptor5(std::move(descriptor2));
 #endif // defined(ASIO_HAS_MOVE)
 
     // basic_stream_descriptor operators.
@@ -76,11 +79,6 @@ void test()
 
     // basic_io_object functions.
 
-#if !defined(ASIO_NO_DEPRECATED)
-    io_context& ioc_ref = descriptor1.get_io_context();
-    (void)ioc_ref;
-#endif // !defined(ASIO_NO_DEPRECATED)
-
     posix::stream_descriptor::executor_type ex = descriptor1.get_executor();
     (void)ex;
 
@@ -90,9 +88,9 @@ void test()
       = descriptor1.lowest_layer();
     (void)lowest_layer;
 
-    const posix::stream_descriptor& descriptor4 = descriptor1;
+    const posix::stream_descriptor& descriptor6 = descriptor1;
     const posix::stream_descriptor::lowest_layer_type& lowest_layer2
-      = descriptor4.lowest_layer();
+      = descriptor6.lowest_layer();
     (void)lowest_layer2;
 
     int native_descriptor2 = -1;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/stream_descriptor_service.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/stream_descriptor_service.cpp
deleted file mode 100644
index c1f27f4..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/posix/stream_descriptor_service.cpp
+++ /dev/null
@@ -1,25 +0,0 @@
-//
-// stream_descriptor_service.cpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-// Disable autolinking for unit tests.
-#if !defined(BOOST_ALL_NO_LIB)
-#define BOOST_ALL_NO_LIB 1
-#endif // !defined(BOOST_ALL_NO_LIB)
-
-// Test that header file is self-contained.
-#include "asio/posix/stream_descriptor_service.hpp"
-
-#include "../unit_test.hpp"
-
-ASIO_TEST_SUITE
-(
-  "posix/stream_descriptor_service",
-  ASIO_TEST_CASE(null_test)
-)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/post.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/post.cpp
index 3e443d2..f076afa 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/post.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/post.cpp
@@ -2,7 +2,7 @@
 // post.cpp
 // ~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/read.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/read.cpp
index 7d603de..ea6b537 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/read.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/read.cpp
@@ -2,7 +2,7 @@
 // read.cpp
 // ~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -120,7 +120,8 @@ public:
   }
 
   template <typename Mutable_Buffers, typename Handler>
-  void async_read_some(const Mutable_Buffers& buffers, Handler handler)
+  void async_read_some(const Mutable_Buffers& buffers,
+      ASIO_MOVE_ARG(Handler) handler)
   {
     size_t bytes_transferred = read_some(buffers);
     asio::post(get_executor(),
@@ -211,8 +212,42 @@ void test_2_arg_vector_buffers_read()
   ASIO_CHECK(s.check_buffers(buffers, sizeof(read_data)));
 }
 
+void test_2_arg_dynamic_string_read()
+{
+  asio::io_context ioc;
+  test_stream s(ioc);
+  std::string data;
+  asio::dynamic_string_buffer<char, std::string::traits_type,
+    std::string::allocator_type> sb
+      = asio::dynamic_buffer(data, sizeof(read_data));
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  size_t bytes_transferred = asio::read(s, sb);
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb);
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb);
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+}
+
 void test_2_arg_streambuf_read()
 {
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
   asio::io_context ioc;
   test_stream s(ioc);
   asio::streambuf sb(sizeof(read_data));
@@ -239,6 +274,7 @@ void test_2_arg_streambuf_read()
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(sb.size() == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(sb.data(), sizeof(read_data)));
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 }
 
 void test_3_arg_nothrow_zero_buffers_read()
@@ -321,8 +357,46 @@ void test_3_arg_nothrow_vector_buffers_read()
   ASIO_CHECK(!error);
 }
 
+void test_3_arg_nothrow_dynamic_string_read()
+{
+  asio::io_context ioc;
+  test_stream s(ioc);
+  std::string data;
+  asio::dynamic_string_buffer<char, std::string::traits_type,
+    std::string::allocator_type> sb
+      = asio::dynamic_buffer(data, sizeof(read_data));
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  asio::error_code error;
+  size_t bytes_transferred = asio::read(s, sb, error);
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb, error);
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb, error);
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+  ASIO_CHECK(!error);
+}
+
 void test_3_arg_nothrow_streambuf_read()
 {
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
   asio::io_context ioc;
   test_stream s(ioc);
   asio::streambuf sb(sizeof(read_data));
@@ -353,6 +427,7 @@ void test_3_arg_nothrow_streambuf_read()
   ASIO_CHECK(sb.size() == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(sb.data(), sizeof(read_data)));
   ASIO_CHECK(!error);
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 }
 
 bool old_style_transfer_all(const asio::error_code& ec,
@@ -361,11 +436,20 @@ bool old_style_transfer_all(const asio::error_code& ec,
   return !!ec;
 }
 
-size_t short_transfer(const asio::error_code& ec,
-    size_t /*bytes_transferred*/)
+struct short_transfer
 {
-  return !!ec ? 0 : 3;
-}
+  short_transfer() {}
+#if defined(ASIO_HAS_MOVE)
+  short_transfer(short_transfer&&) {}
+#else // defined(ASIO_HAS_MOVE)
+  short_transfer(const short_transfer&) {}
+#endif // defined(ASIO_HAS_MOVE)
+  size_t operator()(const asio::error_code& ec,
+      size_t /*bytes_transferred*/)
+  {
+    return !!ec ? 0 : 3;
+  }
+};
 
 void test_3_arg_mutable_buffer_read()
 {
@@ -558,21 +642,21 @@ void test_3_arg_mutable_buffer_read()
 
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
-  bytes_transferred = asio::read(s, buffers, short_transfer);
+  bytes_transferred = asio::read(s, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(read_data)));
 
   s.reset(read_data, sizeof(read_data));
   s.next_read_length(1);
   memset(read_buf, 0, sizeof(read_buf));
-  bytes_transferred = asio::read(s, buffers, short_transfer);
+  bytes_transferred = asio::read(s, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(read_data)));
 
   s.reset(read_data, sizeof(read_data));
   s.next_read_length(10);
   memset(read_buf, 0, sizeof(read_buf));
-  bytes_transferred = asio::read(s, buffers, short_transfer);
+  bytes_transferred = asio::read(s, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(read_data)));
 }
@@ -770,27 +854,266 @@ void test_3_arg_vector_buffers_read()
 
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
-  bytes_transferred = asio::read(s, buffers, short_transfer);
+  bytes_transferred = asio::read(s, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(read_data)));
 
   s.reset(read_data, sizeof(read_data));
   s.next_read_length(1);
   memset(read_buf, 0, sizeof(read_buf));
-  bytes_transferred = asio::read(s, buffers, short_transfer);
+  bytes_transferred = asio::read(s, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(read_data)));
 
   s.reset(read_data, sizeof(read_data));
   s.next_read_length(10);
   memset(read_buf, 0, sizeof(read_buf));
-  bytes_transferred = asio::read(s, buffers, short_transfer);
+  bytes_transferred = asio::read(s, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(read_data)));
 }
 
+void test_3_arg_dynamic_string_read()
+{
+  asio::io_context ioc;
+  test_stream s(ioc);
+  std::string data;
+  asio::dynamic_string_buffer<char, std::string::traits_type,
+    std::string::allocator_type> sb
+      = asio::dynamic_buffer(data, sizeof(read_data));
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  size_t bytes_transferred = asio::read(s, sb,
+      asio::transfer_all());
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_all());
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_all());
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_at_least(1));
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_at_least(1));
+  ASIO_CHECK(bytes_transferred == 1);
+  ASIO_CHECK(sb.size() == 1);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 1));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_at_least(1));
+  ASIO_CHECK(bytes_transferred == 10);
+  ASIO_CHECK(sb.size() == 10);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 10));
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_at_least(10));
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_at_least(10));
+  ASIO_CHECK(bytes_transferred == 10);
+  ASIO_CHECK(sb.size() == 10);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 10));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_at_least(10));
+  ASIO_CHECK(bytes_transferred == 10);
+  ASIO_CHECK(sb.size() == 10);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 10));
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_at_least(42));
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_at_least(42));
+  ASIO_CHECK(bytes_transferred == 42);
+  ASIO_CHECK(sb.size() == 42);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 42));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_at_least(42));
+  ASIO_CHECK(bytes_transferred == 50);
+  ASIO_CHECK(sb.size() == 50);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 50));
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_exactly(1));
+  ASIO_CHECK(bytes_transferred == 1);
+  ASIO_CHECK(sb.size() == 1);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 1));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_exactly(1));
+  ASIO_CHECK(bytes_transferred == 1);
+  ASIO_CHECK(sb.size() == 1);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 1));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_exactly(1));
+  ASIO_CHECK(bytes_transferred == 1);
+  ASIO_CHECK(sb.size() == 1);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 1));
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_exactly(10));
+  ASIO_CHECK(bytes_transferred == 10);
+  ASIO_CHECK(sb.size() == 10);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 10));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_exactly(10));
+  ASIO_CHECK(bytes_transferred == 10);
+  ASIO_CHECK(sb.size() == 10);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 10));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_exactly(10));
+  ASIO_CHECK(bytes_transferred == 10);
+  ASIO_CHECK(sb.size() == 10);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 10));
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_exactly(42));
+  ASIO_CHECK(bytes_transferred == 42);
+  ASIO_CHECK(sb.size() == 42);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 42));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_exactly(42));
+  ASIO_CHECK(bytes_transferred == 42);
+  ASIO_CHECK(sb.size() == 42);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 42));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_exactly(42));
+  ASIO_CHECK(bytes_transferred == 42);
+  ASIO_CHECK(sb.size() == 42);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 42));
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb, old_style_transfer_all);
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb, old_style_transfer_all);
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb, old_style_transfer_all);
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb, short_transfer());
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb, short_transfer());
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb, short_transfer());
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+}
+
 void test_3_arg_streambuf_read()
 {
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
   asio::io_context ioc;
   test_stream s(ioc);
   asio::streambuf sb(sizeof(read_data));
@@ -1002,7 +1325,7 @@ void test_3_arg_streambuf_read()
 
   s.reset(read_data, sizeof(read_data));
   sb.consume(sb.size());
-  bytes_transferred = asio::read(s, sb, short_transfer);
+  bytes_transferred = asio::read(s, sb, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(sb.size() == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(sb.data(), sizeof(read_data)));
@@ -1010,7 +1333,7 @@ void test_3_arg_streambuf_read()
   s.reset(read_data, sizeof(read_data));
   s.next_read_length(1);
   sb.consume(sb.size());
-  bytes_transferred = asio::read(s, sb, short_transfer);
+  bytes_transferred = asio::read(s, sb, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(sb.size() == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(sb.data(), sizeof(read_data)));
@@ -1018,10 +1341,11 @@ void test_3_arg_streambuf_read()
   s.reset(read_data, sizeof(read_data));
   s.next_read_length(10);
   sb.consume(sb.size());
-  bytes_transferred = asio::read(s, sb, short_transfer);
+  bytes_transferred = asio::read(s, sb, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(sb.size() == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(sb.data(), sizeof(read_data)));
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 }
 
 void test_4_arg_mutable_buffer_read()
@@ -1265,7 +1589,7 @@ void test_4_arg_mutable_buffer_read()
 
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
-  bytes_transferred = asio::read(s, buffers, short_transfer, error);
+  bytes_transferred = asio::read(s, buffers, short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(read_data)));
   ASIO_CHECK(!error);
@@ -1274,7 +1598,7 @@ void test_4_arg_mutable_buffer_read()
   s.next_read_length(1);
   memset(read_buf, 0, sizeof(read_buf));
   error = asio::error_code();
-  bytes_transferred = asio::read(s, buffers, short_transfer, error);
+  bytes_transferred = asio::read(s, buffers, short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(read_data)));
   ASIO_CHECK(!error);
@@ -1283,7 +1607,7 @@ void test_4_arg_mutable_buffer_read()
   s.next_read_length(10);
   memset(read_buf, 0, sizeof(read_buf));
   error = asio::error_code();
-  bytes_transferred = asio::read(s, buffers, short_transfer, error);
+  bytes_transferred = asio::read(s, buffers, short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(read_data)));
   ASIO_CHECK(!error);
@@ -1532,7 +1856,7 @@ void test_4_arg_vector_buffers_read()
 
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
-  bytes_transferred = asio::read(s, buffers, short_transfer, error);
+  bytes_transferred = asio::read(s, buffers, short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(read_data)));
   ASIO_CHECK(!error);
@@ -1541,7 +1865,7 @@ void test_4_arg_vector_buffers_read()
   s.next_read_length(1);
   memset(read_buf, 0, sizeof(read_buf));
   error = asio::error_code();
-  bytes_transferred = asio::read(s, buffers, short_transfer, error);
+  bytes_transferred = asio::read(s, buffers, short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(read_data)));
   ASIO_CHECK(!error);
@@ -1550,14 +1874,308 @@ void test_4_arg_vector_buffers_read()
   s.next_read_length(10);
   memset(read_buf, 0, sizeof(read_buf));
   error = asio::error_code();
-  bytes_transferred = asio::read(s, buffers, short_transfer, error);
+  bytes_transferred = asio::read(s, buffers, short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(read_data)));
   ASIO_CHECK(!error);
 }
 
+void test_4_arg_dynamic_string_read()
+{
+  asio::io_context ioc;
+  test_stream s(ioc);
+  std::string data;
+  asio::dynamic_string_buffer<char, std::string::traits_type,
+    std::string::allocator_type> sb
+      = asio::dynamic_buffer(data, sizeof(read_data));
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  asio::error_code error;
+  size_t bytes_transferred = asio::read(s, sb,
+      asio::transfer_all(), error);
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  error = asio::error_code();
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_all(), error);
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  error = asio::error_code();
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_all(), error);
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  error = asio::error_code();
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_at_least(1), error);
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  error = asio::error_code();
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_at_least(1), error);
+  ASIO_CHECK(bytes_transferred == 1);
+  ASIO_CHECK(sb.size() == 1);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 1));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  error = asio::error_code();
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_at_least(1), error);
+  ASIO_CHECK(bytes_transferred == 10);
+  ASIO_CHECK(sb.size() == 10);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 10));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  error = asio::error_code();
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_at_least(10), error);
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  error = asio::error_code();
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_at_least(10), error);
+  ASIO_CHECK(bytes_transferred == 10);
+  ASIO_CHECK(sb.size() == 10);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 10));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  error = asio::error_code();
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_at_least(10), error);
+  ASIO_CHECK(bytes_transferred == 10);
+  ASIO_CHECK(sb.size() == 10);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 10));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  error = asio::error_code();
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_at_least(42), error);
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  error = asio::error_code();
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_at_least(42), error);
+  ASIO_CHECK(bytes_transferred == 42);
+  ASIO_CHECK(sb.size() == 42);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 42));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  error = asio::error_code();
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_at_least(42), error);
+  ASIO_CHECK(bytes_transferred == 50);
+  ASIO_CHECK(sb.size() == 50);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 50));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  error = asio::error_code();
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_exactly(1), error);
+  ASIO_CHECK(bytes_transferred == 1);
+  ASIO_CHECK(sb.size() == 1);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 1));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  error = asio::error_code();
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_exactly(1), error);
+  ASIO_CHECK(bytes_transferred == 1);
+  ASIO_CHECK(sb.size() == 1);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 1));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  error = asio::error_code();
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_exactly(1), error);
+  ASIO_CHECK(bytes_transferred == 1);
+  ASIO_CHECK(sb.size() == 1);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 1));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  error = asio::error_code();
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_exactly(10), error);
+  ASIO_CHECK(bytes_transferred == 10);
+  ASIO_CHECK(sb.size() == 10);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 10));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  error = asio::error_code();
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_exactly(10), error);
+  ASIO_CHECK(bytes_transferred == 10);
+  ASIO_CHECK(sb.size() == 10);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 10));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  error = asio::error_code();
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_exactly(10), error);
+  ASIO_CHECK(bytes_transferred == 10);
+  ASIO_CHECK(sb.size() == 10);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 10));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  error = asio::error_code();
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_exactly(42), error);
+  ASIO_CHECK(bytes_transferred == 42);
+  ASIO_CHECK(sb.size() == 42);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 42));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  error = asio::error_code();
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_exactly(42), error);
+  ASIO_CHECK(bytes_transferred == 42);
+  ASIO_CHECK(sb.size() == 42);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 42));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  error = asio::error_code();
+  bytes_transferred = asio::read(s, sb,
+      asio::transfer_exactly(42), error);
+  ASIO_CHECK(bytes_transferred == 42);
+  ASIO_CHECK(sb.size() == 42);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 42));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb,
+      old_style_transfer_all, error);
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  error = asio::error_code();
+  bytes_transferred = asio::read(s, sb,
+      old_style_transfer_all, error);
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  error = asio::error_code();
+  bytes_transferred = asio::read(s, sb,
+      old_style_transfer_all, error);
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  bytes_transferred = asio::read(s, sb, short_transfer(), error);
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  error = asio::error_code();
+  bytes_transferred = asio::read(s, sb, short_transfer(), error);
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+  ASIO_CHECK(!error);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  error = asio::error_code();
+  bytes_transferred = asio::read(s, sb, short_transfer(), error);
+  ASIO_CHECK(bytes_transferred == sizeof(read_data));
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+  ASIO_CHECK(!error);
+}
+
 void test_4_arg_streambuf_read()
 {
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
   asio::io_context ioc;
   test_stream s(ioc);
   asio::streambuf sb(sizeof(read_data));
@@ -1819,7 +2437,7 @@ void test_4_arg_streambuf_read()
 
   s.reset(read_data, sizeof(read_data));
   sb.consume(sb.size());
-  bytes_transferred = asio::read(s, sb, short_transfer, error);
+  bytes_transferred = asio::read(s, sb, short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(sb.size() == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(sb.data(), sizeof(read_data)));
@@ -1829,7 +2447,7 @@ void test_4_arg_streambuf_read()
   s.next_read_length(1);
   sb.consume(sb.size());
   error = asio::error_code();
-  bytes_transferred = asio::read(s, sb, short_transfer, error);
+  bytes_transferred = asio::read(s, sb, short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(sb.size() == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(sb.data(), sizeof(read_data)));
@@ -1839,11 +2457,12 @@ void test_4_arg_streambuf_read()
   s.next_read_length(10);
   sb.consume(sb.size());
   error = asio::error_code();
-  bytes_transferred = asio::read(s, sb, short_transfer, error);
+  bytes_transferred = asio::read(s, sb, short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(sb.size() == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(sb.data(), sizeof(read_data)));
   ASIO_CHECK(!error);
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 }
 
 void async_read_handler(const asio::error_code& e,
@@ -2102,8 +2721,74 @@ void test_3_arg_vector_buffers_async_read()
   ASIO_CHECK(s.check_buffers(buffers, sizeof(read_data)));
 }
 
+void test_3_arg_dynamic_string_async_read()
+{
+#if defined(ASIO_HAS_BOOST_BIND)
+  namespace bindns = boost;
+#else // defined(ASIO_HAS_BOOST_BIND)
+  namespace bindns = std;
+  using std::placeholders::_1;
+  using std::placeholders::_2;
+#endif // defined(ASIO_HAS_BOOST_BIND)
+
+  asio::io_context ioc;
+  test_stream s(ioc);
+  std::string data;
+  asio::dynamic_string_buffer<char, std::string::traits_type,
+    std::string::allocator_type> sb
+      = asio::dynamic_buffer(data, sizeof(read_data));
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  bool called = false;
+  asio::async_read(s, sb,
+      bindns::bind(async_read_handler,
+        _1, _2, sizeof(read_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb,
+      bindns::bind(async_read_handler,
+        _1, _2, sizeof(read_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb,
+      bindns::bind(async_read_handler,
+        _1, _2, sizeof(read_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  int i = asio::async_read(s, sb, archetypes::lazy_handler());
+  ASIO_CHECK(i == 42);
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+}
+
 void test_3_arg_streambuf_async_read()
 {
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 #if defined(ASIO_HAS_BOOST_BIND)
   namespace bindns = boost;
 #else // defined(ASIO_HAS_BOOST_BIND)
@@ -2162,6 +2847,7 @@ void test_3_arg_streambuf_async_read()
   ioc.run();
   ASIO_CHECK(sb.size() == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(sb.data(), sizeof(read_data)));
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 }
 
 void test_4_arg_mutable_buffer_async_read()
@@ -2463,7 +3149,7 @@ void test_4_arg_mutable_buffer_async_read()
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read(s, buffers, short_transfer,
+  asio::async_read(s, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -2475,7 +3161,7 @@ void test_4_arg_mutable_buffer_async_read()
   s.next_read_length(1);
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read(s, buffers, short_transfer,
+  asio::async_read(s, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -2487,7 +3173,7 @@ void test_4_arg_mutable_buffer_async_read()
   s.next_read_length(10);
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read(s, buffers, short_transfer,
+  asio::async_read(s, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -2498,7 +3184,7 @@ void test_4_arg_mutable_buffer_async_read()
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
   int i = asio::async_read(s, buffers,
-      short_transfer, archetypes::lazy_handler());
+      short_transfer(), archetypes::lazy_handler());
   ASIO_CHECK(i == 42);
   ioc.restart();
   ioc.run();
@@ -2806,7 +3492,7 @@ void test_4_arg_boost_array_buffers_async_read()
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read(s, buffers, short_transfer,
+  asio::async_read(s, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -2818,7 +3504,7 @@ void test_4_arg_boost_array_buffers_async_read()
   s.next_read_length(1);
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read(s, buffers, short_transfer,
+  asio::async_read(s, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -2830,7 +3516,7 @@ void test_4_arg_boost_array_buffers_async_read()
   s.next_read_length(10);
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read(s, buffers, short_transfer,
+  asio::async_read(s, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -2841,7 +3527,7 @@ void test_4_arg_boost_array_buffers_async_read()
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
   int i = asio::async_read(s, buffers,
-      short_transfer, archetypes::lazy_handler());
+      short_transfer(), archetypes::lazy_handler());
   ASIO_CHECK(i == 42);
   ioc.restart();
   ioc.run();
@@ -3150,7 +3836,7 @@ void test_4_arg_std_array_buffers_async_read()
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read(s, buffers, short_transfer,
+  asio::async_read(s, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -3162,7 +3848,7 @@ void test_4_arg_std_array_buffers_async_read()
   s.next_read_length(1);
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read(s, buffers, short_transfer,
+  asio::async_read(s, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -3174,7 +3860,7 @@ void test_4_arg_std_array_buffers_async_read()
   s.next_read_length(10);
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read(s, buffers, short_transfer,
+  asio::async_read(s, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -3185,7 +3871,7 @@ void test_4_arg_std_array_buffers_async_read()
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
   int i = asio::async_read(s, buffers,
-      short_transfer, archetypes::lazy_handler());
+      short_transfer(), archetypes::lazy_handler());
   ASIO_CHECK(i == 42);
   ioc.restart();
   ioc.run();
@@ -3494,7 +4180,7 @@ void test_4_arg_vector_buffers_async_read()
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read(s, buffers, short_transfer,
+  asio::async_read(s, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -3506,7 +4192,7 @@ void test_4_arg_vector_buffers_async_read()
   s.next_read_length(1);
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read(s, buffers, short_transfer,
+  asio::async_read(s, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -3518,7 +4204,7 @@ void test_4_arg_vector_buffers_async_read()
   s.next_read_length(10);
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read(s, buffers, short_transfer,
+  asio::async_read(s, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -3529,15 +4215,386 @@ void test_4_arg_vector_buffers_async_read()
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
   int i = asio::async_read(s, buffers,
-      short_transfer, archetypes::lazy_handler());
+      short_transfer(), archetypes::lazy_handler());
   ASIO_CHECK(i == 42);
   ioc.restart();
   ioc.run();
   ASIO_CHECK(s.check_buffers(buffers, sizeof(read_data)));
 }
 
+void test_4_arg_dynamic_string_async_read()
+{
+#if defined(ASIO_HAS_BOOST_BIND)
+  namespace bindns = boost;
+#else // defined(ASIO_HAS_BOOST_BIND)
+  namespace bindns = std;
+  using std::placeholders::_1;
+  using std::placeholders::_2;
+#endif // defined(ASIO_HAS_BOOST_BIND)
+
+  asio::io_context ioc;
+  test_stream s(ioc);
+  std::string data;
+  asio::dynamic_string_buffer<char, std::string::traits_type,
+    std::string::allocator_type> sb
+      = asio::dynamic_buffer(data, sizeof(read_data));
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  bool called = false;
+  asio::async_read(s, sb, asio::transfer_all(),
+      bindns::bind(async_read_handler,
+        _1, _2, sizeof(read_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, asio::transfer_all(),
+      bindns::bind(async_read_handler,
+        _1, _2, sizeof(read_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, asio::transfer_all(),
+      bindns::bind(async_read_handler,
+        _1, _2, sizeof(read_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, asio::transfer_at_least(1),
+      bindns::bind(async_read_handler,
+        _1, _2, sizeof(read_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, asio::transfer_at_least(1),
+      bindns::bind(async_read_handler,
+        _1, _2, 1, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == 1);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 1));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, asio::transfer_at_least(1),
+      bindns::bind(async_read_handler,
+        _1, _2, 10, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == 10);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 10));
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, asio::transfer_at_least(10),
+      bindns::bind(async_read_handler,
+        _1, _2, sizeof(read_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, asio::transfer_at_least(10),
+      bindns::bind(async_read_handler,
+        _1, _2, 10, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == 10);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 10));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, asio::transfer_at_least(10),
+      bindns::bind(async_read_handler,
+        _1, _2, 10, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == 10);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 10));
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, asio::transfer_at_least(42),
+      bindns::bind(async_read_handler,
+        _1, _2, sizeof(read_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, asio::transfer_at_least(42),
+      bindns::bind(async_read_handler,
+        _1, _2, 42, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == 42);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 42));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, asio::transfer_at_least(42),
+      bindns::bind(async_read_handler,
+        _1, _2, 50, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == 50);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 50));
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, asio::transfer_exactly(1),
+      bindns::bind(async_read_handler,
+        _1, _2, 1, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == 1);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 1));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, asio::transfer_exactly(1),
+      bindns::bind(async_read_handler,
+        _1, _2, 1, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == 1);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 1));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, asio::transfer_exactly(1),
+      bindns::bind(async_read_handler,
+        _1, _2, 1, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == 1);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 1));
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, asio::transfer_exactly(10),
+      bindns::bind(async_read_handler,
+        _1, _2, 10, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == 10);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 10));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, asio::transfer_exactly(10),
+      bindns::bind(async_read_handler,
+        _1, _2, 10, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == 10);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 10));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, asio::transfer_exactly(10),
+      bindns::bind(async_read_handler,
+        _1, _2, 10, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == 10);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 10));
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, asio::transfer_exactly(42),
+      bindns::bind(async_read_handler,
+        _1, _2, 42, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == 42);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 42));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, asio::transfer_exactly(42),
+      bindns::bind(async_read_handler,
+        _1, _2, 42, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == 42);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 42));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, asio::transfer_exactly(42),
+      bindns::bind(async_read_handler,
+        _1, _2, 42, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == 42);
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), 42));
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, old_style_transfer_all,
+      bindns::bind(async_read_handler,
+        _1, _2, sizeof(read_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, old_style_transfer_all,
+      bindns::bind(async_read_handler,
+        _1, _2, sizeof(read_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, old_style_transfer_all,
+      bindns::bind(async_read_handler,
+        _1, _2, sizeof(read_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, short_transfer(),
+      bindns::bind(async_read_handler,
+        _1, _2, sizeof(read_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, short_transfer(),
+      bindns::bind(async_read_handler,
+        _1, _2, sizeof(read_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb.consume(sb.size());
+  called = false;
+  asio::async_read(s, sb, short_transfer(),
+      bindns::bind(async_read_handler,
+        _1, _2, sizeof(read_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+
+  s.reset(read_data, sizeof(read_data));
+  sb.consume(sb.size());
+  int i = asio::async_read(s, sb,
+      short_transfer(), archetypes::lazy_handler());
+  ASIO_CHECK(i == 42);
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(sb.size() == sizeof(read_data));
+  ASIO_CHECK(s.check_buffers(sb.data(0, sb.size()), sizeof(read_data)));
+}
+
 void test_4_arg_streambuf_async_read()
 {
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 #if defined(ASIO_HAS_BOOST_BIND)
   namespace bindns = boost;
 #else // defined(ASIO_HAS_BOOST_BIND)
@@ -3857,7 +4914,7 @@ void test_4_arg_streambuf_async_read()
   s.reset(read_data, sizeof(read_data));
   sb.consume(sb.size());
   called = false;
-  asio::async_read(s, sb, short_transfer,
+  asio::async_read(s, sb, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -3870,7 +4927,7 @@ void test_4_arg_streambuf_async_read()
   s.next_read_length(1);
   sb.consume(sb.size());
   called = false;
-  asio::async_read(s, sb, short_transfer,
+  asio::async_read(s, sb, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -3883,7 +4940,7 @@ void test_4_arg_streambuf_async_read()
   s.next_read_length(10);
   sb.consume(sb.size());
   called = false;
-  asio::async_read(s, sb, short_transfer,
+  asio::async_read(s, sb, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -3895,12 +4952,13 @@ void test_4_arg_streambuf_async_read()
   s.reset(read_data, sizeof(read_data));
   sb.consume(sb.size());
   int i = asio::async_read(s, sb,
-      short_transfer, archetypes::lazy_handler());
+      short_transfer(), archetypes::lazy_handler());
   ASIO_CHECK(i == 42);
   ioc.restart();
   ioc.run();
   ASIO_CHECK(sb.size() == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(sb.data(), sizeof(read_data)));
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 }
 
 ASIO_TEST_SUITE
@@ -3909,25 +4967,31 @@ ASIO_TEST_SUITE
   ASIO_TEST_CASE(test_2_arg_zero_buffers_read)
   ASIO_TEST_CASE(test_2_arg_mutable_buffer_read)
   ASIO_TEST_CASE(test_2_arg_vector_buffers_read)
+  ASIO_TEST_CASE(test_2_arg_dynamic_string_read)
   ASIO_TEST_CASE(test_2_arg_streambuf_read)
   ASIO_TEST_CASE(test_3_arg_nothrow_zero_buffers_read)
   ASIO_TEST_CASE(test_3_arg_nothrow_mutable_buffer_read)
   ASIO_TEST_CASE(test_3_arg_nothrow_vector_buffers_read)
+  ASIO_TEST_CASE(test_3_arg_nothrow_dynamic_string_read)
   ASIO_TEST_CASE(test_3_arg_nothrow_streambuf_read)
   ASIO_TEST_CASE(test_3_arg_mutable_buffer_read)
   ASIO_TEST_CASE(test_3_arg_vector_buffers_read)
+  ASIO_TEST_CASE(test_3_arg_dynamic_string_read)
   ASIO_TEST_CASE(test_3_arg_streambuf_read)
   ASIO_TEST_CASE(test_4_arg_mutable_buffer_read)
   ASIO_TEST_CASE(test_4_arg_vector_buffers_read)
+  ASIO_TEST_CASE(test_4_arg_dynamic_string_read)
   ASIO_TEST_CASE(test_4_arg_streambuf_read)
   ASIO_TEST_CASE(test_3_arg_mutable_buffer_async_read)
   ASIO_TEST_CASE(test_3_arg_boost_array_buffers_async_read)
   ASIO_TEST_CASE(test_3_arg_std_array_buffers_async_read)
   ASIO_TEST_CASE(test_3_arg_vector_buffers_async_read)
+  ASIO_TEST_CASE(test_3_arg_dynamic_string_async_read)
   ASIO_TEST_CASE(test_3_arg_streambuf_async_read)
   ASIO_TEST_CASE(test_4_arg_mutable_buffer_async_read)
   ASIO_TEST_CASE(test_4_arg_vector_buffers_async_read)
   ASIO_TEST_CASE(test_4_arg_boost_array_buffers_async_read)
   ASIO_TEST_CASE(test_4_arg_std_array_buffers_async_read)
+  ASIO_TEST_CASE(test_4_arg_dynamic_string_async_read)
   ASIO_TEST_CASE(test_4_arg_streambuf_async_read)
 )
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/read_at.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/read_at.cpp
index 1325568..3ba5ca8 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/read_at.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/read_at.cpp
@@ -2,7 +2,7 @@
 // read_at.cpp
 // ~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -125,7 +125,7 @@ public:
 
   template <typename Mutable_Buffers, typename Handler>
   void async_read_some_at(asio::uint64_t offset,
-      const Mutable_Buffers& buffers, Handler handler)
+      const Mutable_Buffers& buffers, ASIO_MOVE_ARG(Handler) handler)
   {
     size_t bytes_transferred = read_some_at(offset, buffers);
     asio::post(get_executor(),
@@ -476,11 +476,20 @@ bool old_style_transfer_all(const asio::error_code& ec,
   return !!ec;
 }
 
-size_t short_transfer(const asio::error_code& ec,
-    size_t /*bytes_transferred*/)
+struct short_transfer
 {
-  return !!ec ? 0 : 3;
-}
+  short_transfer() {}
+#if defined(ASIO_HAS_MOVE)
+  short_transfer(short_transfer&&) {}
+#else // defined(ASIO_HAS_MOVE)
+  short_transfer(const short_transfer&) {}
+#endif // defined(ASIO_HAS_MOVE)
+  size_t operator()(const asio::error_code& ec,
+      size_t /*bytes_transferred*/)
+  {
+    return !!ec ? 0 : 3;
+  }
+};
 
 void test_4_arg_mutable_buffer_read_at()
 {
@@ -860,41 +869,41 @@ void test_4_arg_mutable_buffer_read_at()
 
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
-  bytes_transferred = asio::read_at(s, 0, buffers, short_transfer);
+  bytes_transferred = asio::read_at(s, 0, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(read_data)));
 
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
-  bytes_transferred = asio::read_at(s, 1234, buffers, short_transfer);
+  bytes_transferred = asio::read_at(s, 1234, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(read_data)));
 
   s.reset(read_data, sizeof(read_data));
   s.next_read_length(1);
   memset(read_buf, 0, sizeof(read_buf));
-  bytes_transferred = asio::read_at(s, 0, buffers, short_transfer);
+  bytes_transferred = asio::read_at(s, 0, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(read_data)));
 
   s.reset(read_data, sizeof(read_data));
   s.next_read_length(1);
   memset(read_buf, 0, sizeof(read_buf));
-  bytes_transferred = asio::read_at(s, 1234, buffers, short_transfer);
+  bytes_transferred = asio::read_at(s, 1234, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(read_data)));
 
   s.reset(read_data, sizeof(read_data));
   s.next_read_length(10);
   memset(read_buf, 0, sizeof(read_buf));
-  bytes_transferred = asio::read_at(s, 0, buffers, short_transfer);
+  bytes_transferred = asio::read_at(s, 0, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(read_data)));
 
   s.reset(read_data, sizeof(read_data));
   s.next_read_length(10);
   memset(read_buf, 0, sizeof(read_buf));
-  bytes_transferred = asio::read_at(s, 1234, buffers, short_transfer);
+  bytes_transferred = asio::read_at(s, 1234, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(read_data)));
 }
@@ -1278,41 +1287,41 @@ void test_4_arg_vector_buffers_read_at()
 
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
-  bytes_transferred = asio::read_at(s, 0, buffers, short_transfer);
+  bytes_transferred = asio::read_at(s, 0, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(read_data)));
 
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
-  bytes_transferred = asio::read_at(s, 1234, buffers, short_transfer);
+  bytes_transferred = asio::read_at(s, 1234, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(read_data)));
 
   s.reset(read_data, sizeof(read_data));
   s.next_read_length(1);
   memset(read_buf, 0, sizeof(read_buf));
-  bytes_transferred = asio::read_at(s, 0, buffers, short_transfer);
+  bytes_transferred = asio::read_at(s, 0, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(read_data)));
 
   s.reset(read_data, sizeof(read_data));
   s.next_read_length(1);
   memset(read_buf, 0, sizeof(read_buf));
-  bytes_transferred = asio::read_at(s, 1234, buffers, short_transfer);
+  bytes_transferred = asio::read_at(s, 1234, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(read_data)));
 
   s.reset(read_data, sizeof(read_data));
   s.next_read_length(10);
   memset(read_buf, 0, sizeof(read_buf));
-  bytes_transferred = asio::read_at(s, 0, buffers, short_transfer);
+  bytes_transferred = asio::read_at(s, 0, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(read_data)));
 
   s.reset(read_data, sizeof(read_data));
   s.next_read_length(10);
   memset(read_buf, 0, sizeof(read_buf));
-  bytes_transferred = asio::read_at(s, 1234, buffers, short_transfer);
+  bytes_transferred = asio::read_at(s, 1234, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(read_data)));
 }
@@ -1741,14 +1750,14 @@ void test_4_arg_streambuf_read_at()
 
   s.reset(read_data, sizeof(read_data));
   sb.consume(sb.size());
-  bytes_transferred = asio::read_at(s, 0, sb, short_transfer);
+  bytes_transferred = asio::read_at(s, 0, sb, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(sb.size() == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(0, sb.data(), sizeof(read_data)));
 
   s.reset(read_data, sizeof(read_data));
   sb.consume(sb.size());
-  bytes_transferred = asio::read_at(s, 1234, sb, short_transfer);
+  bytes_transferred = asio::read_at(s, 1234, sb, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(sb.size() == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(1234, sb.data(), sizeof(read_data)));
@@ -1756,7 +1765,7 @@ void test_4_arg_streambuf_read_at()
   s.reset(read_data, sizeof(read_data));
   s.next_read_length(1);
   sb.consume(sb.size());
-  bytes_transferred = asio::read_at(s, 0, sb, short_transfer);
+  bytes_transferred = asio::read_at(s, 0, sb, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(sb.size() == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(0, sb.data(), sizeof(read_data)));
@@ -1764,7 +1773,7 @@ void test_4_arg_streambuf_read_at()
   s.reset(read_data, sizeof(read_data));
   s.next_read_length(1);
   sb.consume(sb.size());
-  bytes_transferred = asio::read_at(s, 1234, sb, short_transfer);
+  bytes_transferred = asio::read_at(s, 1234, sb, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(sb.size() == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(1234, sb.data(), sizeof(read_data)));
@@ -1772,7 +1781,7 @@ void test_4_arg_streambuf_read_at()
   s.reset(read_data, sizeof(read_data));
   s.next_read_length(10);
   sb.consume(sb.size());
-  bytes_transferred = asio::read_at(s, 0, sb, short_transfer);
+  bytes_transferred = asio::read_at(s, 0, sb, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(sb.size() == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(0, sb.data(), sizeof(read_data)));
@@ -1780,7 +1789,7 @@ void test_4_arg_streambuf_read_at()
   s.reset(read_data, sizeof(read_data));
   s.next_read_length(10);
   sb.consume(sb.size());
-  bytes_transferred = asio::read_at(s, 1234, sb, short_transfer);
+  bytes_transferred = asio::read_at(s, 1234, sb, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(sb.size() == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(1234, sb.data(), sizeof(read_data)));
@@ -2258,7 +2267,7 @@ void test_5_arg_mutable_buffer_read_at()
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
   bytes_transferred = asio::read_at(s, 0, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(read_data)));
   ASIO_CHECK(!error);
@@ -2266,7 +2275,7 @@ void test_5_arg_mutable_buffer_read_at()
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
   bytes_transferred = asio::read_at(s, 1234, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(read_data)));
   ASIO_CHECK(!error);
@@ -2276,7 +2285,7 @@ void test_5_arg_mutable_buffer_read_at()
   memset(read_buf, 0, sizeof(read_buf));
   error = asio::error_code();
   bytes_transferred = asio::read_at(s, 0, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(read_data)));
   ASIO_CHECK(!error);
@@ -2286,7 +2295,7 @@ void test_5_arg_mutable_buffer_read_at()
   memset(read_buf, 0, sizeof(read_buf));
   error = asio::error_code();
   bytes_transferred = asio::read_at(s, 1234, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(read_data)));
   ASIO_CHECK(!error);
@@ -2296,7 +2305,7 @@ void test_5_arg_mutable_buffer_read_at()
   memset(read_buf, 0, sizeof(read_buf));
   error = asio::error_code();
   bytes_transferred = asio::read_at(s, 0, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(read_data)));
   ASIO_CHECK(!error);
@@ -2306,7 +2315,7 @@ void test_5_arg_mutable_buffer_read_at()
   memset(read_buf, 0, sizeof(read_buf));
   error = asio::error_code();
   bytes_transferred = asio::read_at(s, 1234, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(read_data)));
   ASIO_CHECK(!error);
@@ -2785,7 +2794,7 @@ void test_5_arg_vector_buffers_read_at()
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
   bytes_transferred = asio::read_at(s, 0, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(read_data)));
   ASIO_CHECK(!error);
@@ -2793,7 +2802,7 @@ void test_5_arg_vector_buffers_read_at()
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
   bytes_transferred = asio::read_at(s, 1234, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(read_data)));
   ASIO_CHECK(!error);
@@ -2803,7 +2812,7 @@ void test_5_arg_vector_buffers_read_at()
   memset(read_buf, 0, sizeof(read_buf));
   error = asio::error_code();
   bytes_transferred = asio::read_at(s, 0, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(read_data)));
   ASIO_CHECK(!error);
@@ -2813,7 +2822,7 @@ void test_5_arg_vector_buffers_read_at()
   memset(read_buf, 0, sizeof(read_buf));
   error = asio::error_code();
   bytes_transferred = asio::read_at(s, 1234, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(read_data)));
   ASIO_CHECK(!error);
@@ -2823,7 +2832,7 @@ void test_5_arg_vector_buffers_read_at()
   memset(read_buf, 0, sizeof(read_buf));
   error = asio::error_code();
   bytes_transferred = asio::read_at(s, 0, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(read_data)));
   ASIO_CHECK(!error);
@@ -2833,7 +2842,7 @@ void test_5_arg_vector_buffers_read_at()
   memset(read_buf, 0, sizeof(read_buf));
   error = asio::error_code();
   bytes_transferred = asio::read_at(s, 1234, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(read_data)));
   ASIO_CHECK(!error);
@@ -3357,7 +3366,7 @@ void test_5_arg_streambuf_read_at()
   s.reset(read_data, sizeof(read_data));
   sb.consume(sb.size());
   bytes_transferred = asio::read_at(s, 0, sb,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(sb.size() == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(0, sb.data(), sizeof(read_data)));
@@ -3366,7 +3375,7 @@ void test_5_arg_streambuf_read_at()
   s.reset(read_data, sizeof(read_data));
   sb.consume(sb.size());
   bytes_transferred = asio::read_at(s, 1234, sb,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(sb.size() == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(1234, sb.data(), sizeof(read_data)));
@@ -3377,7 +3386,7 @@ void test_5_arg_streambuf_read_at()
   sb.consume(sb.size());
   error = asio::error_code();
   bytes_transferred = asio::read_at(s, 0, sb,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(sb.size() == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(0, sb.data(), sizeof(read_data)));
@@ -3388,7 +3397,7 @@ void test_5_arg_streambuf_read_at()
   sb.consume(sb.size());
   error = asio::error_code();
   bytes_transferred = asio::read_at(s, 1234, sb,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(sb.size() == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(1234, sb.data(), sizeof(read_data)));
@@ -3399,7 +3408,7 @@ void test_5_arg_streambuf_read_at()
   sb.consume(sb.size());
   error = asio::error_code();
   bytes_transferred = asio::read_at(s, 0, sb,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(sb.size() == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(0, sb.data(), sizeof(read_data)));
@@ -3410,7 +3419,7 @@ void test_5_arg_streambuf_read_at()
   sb.consume(sb.size());
   error = asio::error_code();
   bytes_transferred = asio::read_at(s, 1234, sb,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(read_data));
   ASIO_CHECK(sb.size() == sizeof(read_data));
   ASIO_CHECK(s.check_buffers(1234, sb.data(), sizeof(read_data)));
@@ -4537,7 +4546,7 @@ void test_5_arg_mutable_buffer_async_read_at()
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read_at(s, 0, buffers, short_transfer,
+  asio::async_read_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -4548,7 +4557,7 @@ void test_5_arg_mutable_buffer_async_read_at()
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read_at(s, 1234, buffers, short_transfer,
+  asio::async_read_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -4560,7 +4569,7 @@ void test_5_arg_mutable_buffer_async_read_at()
   s.next_read_length(1);
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read_at(s, 0, buffers, short_transfer,
+  asio::async_read_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -4572,7 +4581,7 @@ void test_5_arg_mutable_buffer_async_read_at()
   s.next_read_length(1);
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read_at(s, 1234, buffers, short_transfer,
+  asio::async_read_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -4584,7 +4593,7 @@ void test_5_arg_mutable_buffer_async_read_at()
   s.next_read_length(10);
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read_at(s, 0, buffers, short_transfer,
+  asio::async_read_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -4596,7 +4605,7 @@ void test_5_arg_mutable_buffer_async_read_at()
   s.next_read_length(10);
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read_at(s, 1234, buffers, short_transfer,
+  asio::async_read_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -4607,7 +4616,7 @@ void test_5_arg_mutable_buffer_async_read_at()
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
   int i = asio::async_read_at(s, 1234, buffers,
-      short_transfer, archetypes::lazy_handler());
+      short_transfer(), archetypes::lazy_handler());
   ASIO_CHECK(i == 42);
   ioc.restart();
   ioc.run();
@@ -5237,7 +5246,7 @@ void test_5_arg_boost_array_buffers_async_read_at()
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read_at(s, 0, buffers, short_transfer,
+  asio::async_read_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -5248,7 +5257,7 @@ void test_5_arg_boost_array_buffers_async_read_at()
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read_at(s, 1234, buffers, short_transfer,
+  asio::async_read_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -5260,7 +5269,7 @@ void test_5_arg_boost_array_buffers_async_read_at()
   s.next_read_length(1);
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read_at(s, 0, buffers, short_transfer,
+  asio::async_read_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -5272,7 +5281,7 @@ void test_5_arg_boost_array_buffers_async_read_at()
   s.next_read_length(1);
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read_at(s, 1234, buffers, short_transfer,
+  asio::async_read_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -5284,7 +5293,7 @@ void test_5_arg_boost_array_buffers_async_read_at()
   s.next_read_length(10);
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read_at(s, 0, buffers, short_transfer,
+  asio::async_read_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -5296,7 +5305,7 @@ void test_5_arg_boost_array_buffers_async_read_at()
   s.next_read_length(10);
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read_at(s, 1234, buffers, short_transfer,
+  asio::async_read_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -5307,7 +5316,7 @@ void test_5_arg_boost_array_buffers_async_read_at()
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
   int i = asio::async_read_at(s, 1234, buffers,
-      short_transfer, archetypes::lazy_handler());
+      short_transfer(), archetypes::lazy_handler());
   ASIO_CHECK(i == 42);
   ioc.restart();
   ioc.run();
@@ -5938,7 +5947,7 @@ void test_5_arg_std_array_buffers_async_read_at()
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read_at(s, 0, buffers, short_transfer,
+  asio::async_read_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -5949,7 +5958,7 @@ void test_5_arg_std_array_buffers_async_read_at()
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read_at(s, 1234, buffers, short_transfer,
+  asio::async_read_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -5961,7 +5970,7 @@ void test_5_arg_std_array_buffers_async_read_at()
   s.next_read_length(1);
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read_at(s, 0, buffers, short_transfer,
+  asio::async_read_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -5973,7 +5982,7 @@ void test_5_arg_std_array_buffers_async_read_at()
   s.next_read_length(1);
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read_at(s, 1234, buffers, short_transfer,
+  asio::async_read_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -5985,7 +5994,7 @@ void test_5_arg_std_array_buffers_async_read_at()
   s.next_read_length(10);
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read_at(s, 0, buffers, short_transfer,
+  asio::async_read_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -5997,7 +6006,7 @@ void test_5_arg_std_array_buffers_async_read_at()
   s.next_read_length(10);
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read_at(s, 1234, buffers, short_transfer,
+  asio::async_read_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -6008,7 +6017,7 @@ void test_5_arg_std_array_buffers_async_read_at()
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
   int i = asio::async_read_at(s, 1234, buffers,
-      short_transfer, archetypes::lazy_handler());
+      short_transfer(), archetypes::lazy_handler());
   ASIO_CHECK(i == 42);
   ioc.restart();
   ioc.run();
@@ -6638,7 +6647,7 @@ void test_5_arg_vector_buffers_async_read_at()
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read_at(s, 0, buffers, short_transfer,
+  asio::async_read_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -6649,7 +6658,7 @@ void test_5_arg_vector_buffers_async_read_at()
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read_at(s, 1234, buffers, short_transfer,
+  asio::async_read_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -6661,7 +6670,7 @@ void test_5_arg_vector_buffers_async_read_at()
   s.next_read_length(1);
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read_at(s, 0, buffers, short_transfer,
+  asio::async_read_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -6673,7 +6682,7 @@ void test_5_arg_vector_buffers_async_read_at()
   s.next_read_length(1);
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read_at(s, 1234, buffers, short_transfer,
+  asio::async_read_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -6685,7 +6694,7 @@ void test_5_arg_vector_buffers_async_read_at()
   s.next_read_length(10);
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read_at(s, 0, buffers, short_transfer,
+  asio::async_read_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -6697,7 +6706,7 @@ void test_5_arg_vector_buffers_async_read_at()
   s.next_read_length(10);
   memset(read_buf, 0, sizeof(read_buf));
   called = false;
-  asio::async_read_at(s, 1234, buffers, short_transfer,
+  asio::async_read_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -6708,7 +6717,7 @@ void test_5_arg_vector_buffers_async_read_at()
   s.reset(read_data, sizeof(read_data));
   memset(read_buf, 0, sizeof(read_buf));
   int i = asio::async_read_at(s, 1234, buffers,
-      short_transfer, archetypes::lazy_handler());
+      short_transfer(), archetypes::lazy_handler());
   ASIO_CHECK(i == 42);
   ioc.restart();
   ioc.run();
@@ -7382,7 +7391,7 @@ void test_5_arg_streambuf_async_read_at()
   s.reset(read_data, sizeof(read_data));
   sb.consume(sb.size());
   called = false;
-  asio::async_read_at(s, 0, sb, short_transfer,
+  asio::async_read_at(s, 0, sb, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -7394,7 +7403,7 @@ void test_5_arg_streambuf_async_read_at()
   s.reset(read_data, sizeof(read_data));
   sb.consume(sb.size());
   called = false;
-  asio::async_read_at(s, 1234, sb, short_transfer,
+  asio::async_read_at(s, 1234, sb, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -7407,7 +7416,7 @@ void test_5_arg_streambuf_async_read_at()
   s.next_read_length(1);
   sb.consume(sb.size());
   called = false;
-  asio::async_read_at(s, 0, sb, short_transfer,
+  asio::async_read_at(s, 0, sb, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -7420,7 +7429,7 @@ void test_5_arg_streambuf_async_read_at()
   s.next_read_length(1);
   sb.consume(sb.size());
   called = false;
-  asio::async_read_at(s, 1234, sb, short_transfer,
+  asio::async_read_at(s, 1234, sb, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -7433,7 +7442,7 @@ void test_5_arg_streambuf_async_read_at()
   s.next_read_length(10);
   sb.consume(sb.size());
   called = false;
-  asio::async_read_at(s, 0, sb, short_transfer,
+  asio::async_read_at(s, 0, sb, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -7446,7 +7455,7 @@ void test_5_arg_streambuf_async_read_at()
   s.next_read_length(10);
   sb.consume(sb.size());
   called = false;
-  asio::async_read_at(s, 1234, sb, short_transfer,
+  asio::async_read_at(s, 1234, sb, short_transfer(),
       bindns::bind(async_read_handler,
         _1, _2, sizeof(read_data), &called));
   ioc.restart();
@@ -7458,7 +7467,7 @@ void test_5_arg_streambuf_async_read_at()
   s.reset(read_data, sizeof(read_data));
   sb.consume(sb.size());
   int i = asio::async_read_at(s, 1234, sb,
-      short_transfer, archetypes::lazy_handler());
+      short_transfer(), archetypes::lazy_handler());
   ASIO_CHECK(i == 42);
   ioc.restart();
   ioc.run();
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/read_until.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/read_until.cpp
index 50b381e..08b6dac 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/read_until.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/read_until.cpp
@@ -2,7 +2,7 @@
 // read_until.cpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -104,8 +104,98 @@ private:
 static const char read_data[]
   = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 
-void test_char_read_until()
+void test_dynamic_string_read_until_char()
 {
+  asio::io_context ioc;
+  test_stream s(ioc);
+  std::string data1, data2;
+  asio::dynamic_string_buffer<char, std::string::traits_type,
+    std::string::allocator_type> sb1 = asio::dynamic_buffer(data1);
+  asio::dynamic_string_buffer<char, std::string::traits_type,
+    std::string::allocator_type> sb2 = asio::dynamic_buffer(data2, 25);
+  asio::error_code ec;
+
+  s.reset(read_data, sizeof(read_data));
+  sb1.consume(sb1.size());
+  std::size_t length = asio::read_until(s, sb1, 'Z');
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb1.consume(sb1.size());
+  length = asio::read_until(s, sb1, 'Z');
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb1.consume(sb1.size());
+  length = asio::read_until(s, sb1, 'Z');
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  sb1.consume(sb1.size());
+  length = asio::read_until(s, sb1, 'Z', ec);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb1.consume(sb1.size());
+  length = asio::read_until(s, sb1, 'Z', ec);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb1.consume(sb1.size());
+  length = asio::read_until(s, sb1, 'Z', ec);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  sb2.consume(sb2.size());
+  length = asio::read_until(s, sb2, 'Z', ec);
+  ASIO_CHECK(ec == asio::error::not_found);
+  ASIO_CHECK(length == 0);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb2.consume(sb2.size());
+  length = asio::read_until(s, sb2, 'Z', ec);
+  ASIO_CHECK(ec == asio::error::not_found);
+  ASIO_CHECK(length == 0);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb2.consume(sb2.size());
+  length = asio::read_until(s, sb2, 'Z', ec);
+  ASIO_CHECK(ec == asio::error::not_found);
+  ASIO_CHECK(length == 0);
+
+  s.reset(read_data, sizeof(read_data));
+  sb2.consume(sb2.size());
+  length = asio::read_until(s, sb2, 'Y', ec);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 25);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb2.consume(sb2.size());
+  length = asio::read_until(s, sb2, 'Y', ec);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 25);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb2.consume(sb2.size());
+  length = asio::read_until(s, sb2, 'Y', ec);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 25);
+}
+
+void test_streambuf_read_until_char()
+{
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
   asio::io_context ioc;
   test_stream s(ioc);
   asio::streambuf sb1;
@@ -188,10 +278,101 @@ void test_char_read_until()
   length = asio::read_until(s, sb2, 'Y', ec);
   ASIO_CHECK(!ec);
   ASIO_CHECK(length == 25);
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 }
 
-void test_string_read_until()
+void test_dynamic_string_read_until_string()
 {
+  asio::io_context ioc;
+  test_stream s(ioc);
+  std::string data1, data2;
+  asio::dynamic_string_buffer<char, std::string::traits_type,
+    std::string::allocator_type> sb1 = asio::dynamic_buffer(data1);
+  asio::dynamic_string_buffer<char, std::string::traits_type,
+    std::string::allocator_type> sb2 = asio::dynamic_buffer(data2, 25);
+  asio::error_code ec;
+
+  s.reset(read_data, sizeof(read_data));
+  sb1.consume(sb1.size());
+  std::size_t length = asio::read_until(s, sb1, "XYZ");
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb1.consume(sb1.size());
+  length = asio::read_until(s, sb1, "XYZ");
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb1.consume(sb1.size());
+  length = asio::read_until(s, sb1, "XYZ");
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  sb1.consume(sb1.size());
+  length = asio::read_until(s, sb1, "XYZ", ec);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb1.consume(sb1.size());
+  length = asio::read_until(s, sb1, "XYZ", ec);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb1.consume(sb1.size());
+  length = asio::read_until(s, sb1, "XYZ", ec);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  sb2.consume(sb2.size());
+  length = asio::read_until(s, sb2, "XYZ", ec);
+  ASIO_CHECK(ec == asio::error::not_found);
+  ASIO_CHECK(length == 0);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb2.consume(sb2.size());
+  length = asio::read_until(s, sb2, "XYZ", ec);
+  ASIO_CHECK(ec == asio::error::not_found);
+  ASIO_CHECK(length == 0);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb2.consume(sb2.size());
+  length = asio::read_until(s, sb2, "XYZ", ec);
+  ASIO_CHECK(ec == asio::error::not_found);
+  ASIO_CHECK(length == 0);
+
+  s.reset(read_data, sizeof(read_data));
+  sb2.consume(sb2.size());
+  length = asio::read_until(s, sb2, "WXY", ec);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 25);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb2.consume(sb2.size());
+  length = asio::read_until(s, sb2, "WXY", ec);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 25);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb2.consume(sb2.size());
+  length = asio::read_until(s, sb2, "WXY", ec);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 25);
+}
+
+void test_streambuf_read_until_string()
+{
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
   asio::io_context ioc;
   test_stream s(ioc);
   asio::streambuf sb1;
@@ -274,6 +455,7 @@ void test_string_read_until()
   length = asio::read_until(s, sb2, "WXY", ec);
   ASIO_CHECK(!ec);
   ASIO_CHECK(length == 25);
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 }
 
 class match_char
@@ -303,8 +485,98 @@ namespace asio {
   };
 } // namespace asio
 
-void test_match_condition_read_until()
+void test_dynamic_string_read_until_match_condition()
 {
+  asio::io_context ioc;
+  test_stream s(ioc);
+  std::string data1, data2;
+  asio::dynamic_string_buffer<char, std::string::traits_type,
+    std::string::allocator_type> sb1 = asio::dynamic_buffer(data1);
+  asio::dynamic_string_buffer<char, std::string::traits_type,
+    std::string::allocator_type> sb2 = asio::dynamic_buffer(data2, 25);
+  asio::error_code ec;
+
+  s.reset(read_data, sizeof(read_data));
+  sb1.consume(sb1.size());
+  std::size_t length = asio::read_until(s, sb1, match_char('Z'));
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb1.consume(sb1.size());
+  length = asio::read_until(s, sb1, match_char('Z'));
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb1.consume(sb1.size());
+  length = asio::read_until(s, sb1, match_char('Z'));
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  sb1.consume(sb1.size());
+  length = asio::read_until(s, sb1, match_char('Z'), ec);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb1.consume(sb1.size());
+  length = asio::read_until(s, sb1, match_char('Z'), ec);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb1.consume(sb1.size());
+  length = asio::read_until(s, sb1, match_char('Z'), ec);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  sb2.consume(sb2.size());
+  length = asio::read_until(s, sb2, match_char('Z'), ec);
+  ASIO_CHECK(ec == asio::error::not_found);
+  ASIO_CHECK(length == 0);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb2.consume(sb2.size());
+  length = asio::read_until(s, sb2, match_char('Z'), ec);
+  ASIO_CHECK(ec == asio::error::not_found);
+  ASIO_CHECK(length == 0);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb2.consume(sb2.size());
+  length = asio::read_until(s, sb2, match_char('Z'), ec);
+  ASIO_CHECK(ec == asio::error::not_found);
+  ASIO_CHECK(length == 0);
+
+  s.reset(read_data, sizeof(read_data));
+  sb2.consume(sb2.size());
+  length = asio::read_until(s, sb2, match_char('Y'), ec);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 25);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  sb2.consume(sb2.size());
+  length = asio::read_until(s, sb2, match_char('Y'), ec);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 25);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  sb2.consume(sb2.size());
+  length = asio::read_until(s, sb2, match_char('Y'), ec);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 25);
+}
+
+void test_streambuf_read_until_match_condition()
+{
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
   asio::io_context ioc;
   test_stream s(ioc);
   asio::streambuf sb1;
@@ -387,6 +659,7 @@ void test_match_condition_read_until()
   length = asio::read_until(s, sb2, match_char('Y'), ec);
   ASIO_CHECK(!ec);
   ASIO_CHECK(length == 25);
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 }
 
 void async_read_handler(
@@ -398,8 +671,171 @@ void async_read_handler(
   *called = true;
 }
 
-void test_char_async_read_until()
+void test_dynamic_string_async_read_until_char()
 {
+#if defined(ASIO_HAS_BOOST_BIND)
+  namespace bindns = boost;
+#else // defined(ASIO_HAS_BOOST_BIND)
+  namespace bindns = std;
+  using std::placeholders::_1;
+  using std::placeholders::_2;
+#endif // defined(ASIO_HAS_BOOST_BIND)
+
+  asio::io_context ioc;
+  test_stream s(ioc);
+  std::string data1, data2;
+  asio::dynamic_string_buffer<char, std::string::traits_type,
+    std::string::allocator_type> sb1 = asio::dynamic_buffer(data1);
+  asio::dynamic_string_buffer<char, std::string::traits_type,
+    std::string::allocator_type> sb2 = asio::dynamic_buffer(data2, 25);
+  asio::error_code ec;
+  std::size_t length;
+  bool called;
+
+  s.reset(read_data, sizeof(read_data));
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb1.consume(sb1.size());
+  asio::async_read_until(s, sb1, 'Z',
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb1.consume(sb1.size());
+  asio::async_read_until(s, sb1, 'Z',
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb1.consume(sb1.size());
+  asio::async_read_until(s, sb1, 'Z',
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb2.consume(sb2.size());
+  asio::async_read_until(s, sb2, 'Z',
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(ec == asio::error::not_found);
+  ASIO_CHECK(length == 0);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb2.consume(sb2.size());
+  asio::async_read_until(s, sb2, 'Z',
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(ec == asio::error::not_found);
+  ASIO_CHECK(length == 0);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb2.consume(sb2.size());
+  asio::async_read_until(s, sb2, 'Z',
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(ec == asio::error::not_found);
+  ASIO_CHECK(length == 0);
+
+  s.reset(read_data, sizeof(read_data));
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb2.consume(sb2.size());
+  asio::async_read_until(s, sb2, 'Y',
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 25);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb2.consume(sb2.size());
+  asio::async_read_until(s, sb2, 'Y',
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 25);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb2.consume(sb2.size());
+  asio::async_read_until(s, sb2, 'Y',
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 25);
+
+  s.reset(read_data, sizeof(read_data));
+  sb2.consume(sb2.size());
+  int i = asio::async_read_until(s, sb2, 'Y',
+      archetypes::lazy_handler());
+  ASIO_CHECK(i == 42);
+  ioc.restart();
+  ioc.run();
+}
+
+void test_streambuf_async_read_until_char()
+{
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 #if defined(ASIO_HAS_BOOST_BIND)
   namespace bindns = boost;
 #else // defined(ASIO_HAS_BOOST_BIND)
@@ -555,10 +991,174 @@ void test_char_async_read_until()
   ASIO_CHECK(i == 42);
   ioc.restart();
   ioc.run();
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 }
 
-void test_string_async_read_until()
+void test_dynamic_string_async_read_until_string()
 {
+#if defined(ASIO_HAS_BOOST_BIND)
+  namespace bindns = boost;
+#else // defined(ASIO_HAS_BOOST_BIND)
+  namespace bindns = std;
+  using std::placeholders::_1;
+  using std::placeholders::_2;
+#endif // defined(ASIO_HAS_BOOST_BIND)
+
+  asio::io_context ioc;
+  test_stream s(ioc);
+  std::string data1, data2;
+  asio::dynamic_string_buffer<char, std::string::traits_type,
+    std::string::allocator_type> sb1 = asio::dynamic_buffer(data1);
+  asio::dynamic_string_buffer<char, std::string::traits_type,
+    std::string::allocator_type> sb2 = asio::dynamic_buffer(data2, 25);
+  asio::error_code ec;
+  std::size_t length;
+  bool called;
+
+  s.reset(read_data, sizeof(read_data));
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb1.consume(sb1.size());
+  asio::async_read_until(s, sb1, "XYZ",
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb1.consume(sb1.size());
+  asio::async_read_until(s, sb1, "XYZ",
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb1.consume(sb1.size());
+  asio::async_read_until(s, sb1, "XYZ",
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb2.consume(sb2.size());
+  asio::async_read_until(s, sb2, "XYZ",
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(ec == asio::error::not_found);
+  ASIO_CHECK(length == 0);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb2.consume(sb2.size());
+  asio::async_read_until(s, sb2, "XYZ",
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(ec == asio::error::not_found);
+  ASIO_CHECK(length == 0);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb2.consume(sb2.size());
+  asio::async_read_until(s, sb2, "XYZ",
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(ec == asio::error::not_found);
+  ASIO_CHECK(length == 0);
+
+  s.reset(read_data, sizeof(read_data));
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb2.consume(sb2.size());
+  asio::async_read_until(s, sb2, "WXY",
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 25);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb2.consume(sb2.size());
+  asio::async_read_until(s, sb2, "WXY",
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 25);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb2.consume(sb2.size());
+  asio::async_read_until(s, sb2, "WXY",
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 25);
+
+  s.reset(read_data, sizeof(read_data));
+  sb2.consume(sb2.size());
+  int i = asio::async_read_until(s, sb2, "WXY",
+      archetypes::lazy_handler());
+  ASIO_CHECK(i == 42);
+  ioc.restart();
+  ioc.run();
+}
+
+void test_streambuf_async_read_until_string()
+{
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 #if defined(ASIO_HAS_BOOST_BIND)
   namespace bindns = boost;
 #else // defined(ASIO_HAS_BOOST_BIND)
@@ -714,10 +1314,174 @@ void test_string_async_read_until()
   ASIO_CHECK(i == 42);
   ioc.restart();
   ioc.run();
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 }
 
-void test_match_condition_async_read_until()
+void test_dynamic_string_async_read_until_match_condition()
 {
+#if defined(ASIO_HAS_BOOST_BIND)
+  namespace bindns = boost;
+#else // defined(ASIO_HAS_BOOST_BIND)
+  namespace bindns = std;
+  using std::placeholders::_1;
+  using std::placeholders::_2;
+#endif // defined(ASIO_HAS_BOOST_BIND)
+
+  asio::io_context ioc;
+  test_stream s(ioc);
+  std::string data1, data2;
+  asio::dynamic_string_buffer<char, std::string::traits_type,
+    std::string::allocator_type> sb1 = asio::dynamic_buffer(data1);
+  asio::dynamic_string_buffer<char, std::string::traits_type,
+    std::string::allocator_type> sb2 = asio::dynamic_buffer(data2, 25);
+  asio::error_code ec;
+  std::size_t length;
+  bool called;
+
+  s.reset(read_data, sizeof(read_data));
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb1.consume(sb1.size());
+  asio::async_read_until(s, sb1, match_char('Z'),
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb1.consume(sb1.size());
+  asio::async_read_until(s, sb1, match_char('Z'),
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb1.consume(sb1.size());
+  asio::async_read_until(s, sb1, match_char('Z'),
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 26);
+
+  s.reset(read_data, sizeof(read_data));
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb2.consume(sb2.size());
+  asio::async_read_until(s, sb2, match_char('Z'),
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(ec == asio::error::not_found);
+  ASIO_CHECK(length == 0);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb2.consume(sb2.size());
+  asio::async_read_until(s, sb2, match_char('Z'),
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(ec == asio::error::not_found);
+  ASIO_CHECK(length == 0);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb2.consume(sb2.size());
+  asio::async_read_until(s, sb2, match_char('Z'),
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(ec == asio::error::not_found);
+  ASIO_CHECK(length == 0);
+
+  s.reset(read_data, sizeof(read_data));
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb2.consume(sb2.size());
+  asio::async_read_until(s, sb2, match_char('Y'),
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 25);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(1);
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb2.consume(sb2.size());
+  asio::async_read_until(s, sb2, match_char('Y'),
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 25);
+
+  s.reset(read_data, sizeof(read_data));
+  s.next_read_length(10);
+  ec = asio::error_code();
+  length = 0;
+  called = false;
+  sb2.consume(sb2.size());
+  asio::async_read_until(s, sb2, match_char('Y'),
+      bindns::bind(async_read_handler, _1, &ec,
+        _2, &length, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(!ec);
+  ASIO_CHECK(length == 25);
+
+  s.reset(read_data, sizeof(read_data));
+  sb2.consume(sb2.size());
+  int i = asio::async_read_until(s, sb2, match_char('Y'),
+      archetypes::lazy_handler());
+  ASIO_CHECK(i == 42);
+  ioc.restart();
+  ioc.run();
+}
+
+void test_streambuf_async_read_until_match_condition()
+{
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 #if defined(ASIO_HAS_BOOST_BIND)
   namespace bindns = boost;
 #else // defined(ASIO_HAS_BOOST_BIND)
@@ -873,15 +1637,22 @@ void test_match_condition_async_read_until()
   ASIO_CHECK(i == 42);
   ioc.restart();
   ioc.run();
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 }
 
 ASIO_TEST_SUITE
 (
   "read_until",
-  ASIO_TEST_CASE(test_char_read_until)
-  ASIO_TEST_CASE(test_string_read_until)
-  ASIO_TEST_CASE(test_match_condition_read_until)
-  ASIO_TEST_CASE(test_char_async_read_until)
-  ASIO_TEST_CASE(test_string_async_read_until)
-  ASIO_TEST_CASE(test_match_condition_async_read_until)
+  ASIO_TEST_CASE(test_dynamic_string_read_until_char)
+  ASIO_TEST_CASE(test_streambuf_read_until_char)
+  ASIO_TEST_CASE(test_dynamic_string_read_until_string)
+  ASIO_TEST_CASE(test_streambuf_read_until_string)
+  ASIO_TEST_CASE(test_dynamic_string_read_until_match_condition)
+  ASIO_TEST_CASE(test_streambuf_read_until_match_condition)
+  ASIO_TEST_CASE(test_dynamic_string_async_read_until_char)
+  ASIO_TEST_CASE(test_streambuf_async_read_until_char)
+  ASIO_TEST_CASE(test_dynamic_string_async_read_until_string)
+  ASIO_TEST_CASE(test_streambuf_async_read_until_string)
+  ASIO_TEST_CASE(test_dynamic_string_async_read_until_match_condition)
+  ASIO_TEST_CASE(test_streambuf_async_read_until_match_condition)
 )
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/redirect_error.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/redirect_error.cpp
new file mode 100644
index 0000000..0e49497
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/redirect_error.cpp
@@ -0,0 +1,25 @@
+//
+// redirect_error.cpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+// Disable autolinking for unit tests.
+#if !defined(BOOST_ALL_NO_LIB)
+#define BOOST_ALL_NO_LIB 1
+#endif // !defined(BOOST_ALL_NO_LIB)
+
+// Test that header file is self-contained.
+#include "asio/redirect_error.hpp"
+
+#include "unit_test.hpp"
+
+ASIO_TEST_SUITE
+(
+  "redirect_error",
+  ASIO_TEST_CASE(null_test)
+)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/seq_packet_socket_service.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/seq_packet_socket_service.cpp
deleted file mode 100644
index 31abf8a..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/seq_packet_socket_service.cpp
+++ /dev/null
@@ -1,25 +0,0 @@
-//
-// seq_packet_socket_service.cpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-// Disable autolinking for unit tests.
-#if !defined(BOOST_ALL_NO_LIB)
-#define BOOST_ALL_NO_LIB 1
-#endif // !defined(BOOST_ALL_NO_LIB)
-
-// Test that header file is self-contained.
-#include "asio/seq_packet_socket_service.hpp"
-
-#include "unit_test.hpp"
-
-ASIO_TEST_SUITE
-(
-  "seq_packet_socket_service",
-  ASIO_TEST_CASE(null_test)
-)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/serial_port.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/serial_port.cpp
index e29ef10..9c01a73 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/serial_port.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/serial_port.cpp
@@ -2,7 +2,7 @@
 // serial_port.cpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -60,6 +60,7 @@ void test()
   try
   {
     io_context ioc;
+    const io_context::executor_type ioc_ex = ioc.get_executor();
     char mutable_char_buffer[128] = "";
     const char const_char_buffer[128] = "";
     serial_port::baud_rate serial_port_option;
@@ -71,10 +72,19 @@ void test()
     serial_port port1(ioc);
     serial_port port2(ioc, "null");
     serial_port::native_handle_type native_port1 = port1.native_handle();
+#if defined(ASIO_MSVC) && (_MSC_VER < 1910)
+    // Skip this on older MSVC due to mysterious ambiguous overload errors.
+#else
     serial_port port3(ioc, native_port1);
+#endif
+
+    serial_port port4(ioc_ex);
+    serial_port port5(ioc_ex, "null");
+    serial_port::native_handle_type native_port2 = port1.native_handle();
+    serial_port port6(ioc_ex, native_port2);
 
 #if defined(ASIO_HAS_MOVE)
-    serial_port port4(std::move(port3));
+    serial_port port7(std::move(port6));
 #endif // defined(ASIO_HAS_MOVE)
 
     // basic_serial_port operators.
@@ -89,30 +99,22 @@ void test()
     serial_port::executor_type ex = port1.get_executor();
     (void)ex;
 
-#if !defined(ASIO_NO_DEPRECATED)
-    io_context& ioc_ref = port1.get_io_context();
-    (void)ioc_ref;
-
-    io_context& ioc_ref2 = port1.get_io_service();
-    (void)ioc_ref2;
-#endif // !defined(ASIO_NO_DEPRECATED)
-
     // basic_serial_port functions.
 
     serial_port::lowest_layer_type& lowest_layer = port1.lowest_layer();
     (void)lowest_layer;
 
-    const serial_port& port5 = port1;
-    const serial_port::lowest_layer_type& lowest_layer2 = port5.lowest_layer();
+    const serial_port& port8 = port1;
+    const serial_port::lowest_layer_type& lowest_layer2 = port8.lowest_layer();
     (void)lowest_layer2;
 
     port1.open("null");
     port1.open("null", ec);
 
-    serial_port::native_handle_type native_port2 = port1.native_handle();
-    port1.assign(native_port2);
     serial_port::native_handle_type native_port3 = port1.native_handle();
-    port1.assign(native_port3, ec);
+    port1.assign(native_port3);
+    serial_port::native_handle_type native_port4 = port1.native_handle();
+    port1.assign(native_port4, ec);
 
     bool is_open = port1.is_open();
     (void)is_open;
@@ -120,8 +122,8 @@ void test()
     port1.close();
     port1.close(ec);
 
-    serial_port::native_handle_type native_port4 = port1.native_handle();
-    (void)native_port4;
+    serial_port::native_handle_type native_port5 = port1.native_handle();
+    (void)native_port5;
 
     port1.cancel();
     port1.cancel(ec);
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/serial_port_base.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/serial_port_base.cpp
index 54b834a..559067d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/serial_port_base.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/serial_port_base.cpp
@@ -2,7 +2,7 @@
 // serial_port_base.cpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/serial_port_service.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/serial_port_service.cpp
deleted file mode 100644
index 15f1c7b..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/serial_port_service.cpp
+++ /dev/null
@@ -1,26 +0,0 @@
-//
-// serial_port_service.cpp
-// ~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-// Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-// Disable autolinking for unit tests.
-#if !defined(BOOST_ALL_NO_LIB)
-#define BOOST_ALL_NO_LIB 1
-#endif // !defined(BOOST_ALL_NO_LIB)
-
-// Test that header file is self-contained.
-#include "asio/serial_port_service.hpp"
-
-#include "unit_test.hpp"
-
-ASIO_TEST_SUITE
-(
-  "serial_port_service",
-  ASIO_TEST_CASE(null_test)
-)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/signal_set.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/signal_set.cpp
index a6938c4..17d5363 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/signal_set.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/signal_set.cpp
@@ -2,7 +2,7 @@
 // signal_set.cpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -40,6 +40,7 @@ void test()
   try
   {
     io_context ioc;
+    const io_context::executor_type ioc_ex = ioc.get_executor();
     archetypes::lazy_handler lazy;
     asio::error_code ec;
 
@@ -50,19 +51,16 @@ void test()
     signal_set set3(ioc, 1, 2);
     signal_set set4(ioc, 1, 2, 3);
 
+    signal_set set5(ioc_ex);
+    signal_set set6(ioc_ex, 1);
+    signal_set set7(ioc_ex, 1, 2);
+    signal_set set8(ioc_ex, 1, 2, 3);
+
     // basic_io_object functions.
 
     signal_set::executor_type ex = set1.get_executor();
     (void)ex;
 
-#if !defined(ASIO_NO_DEPRECATED)
-    io_context& ioc_ref = set1.get_io_context();
-    (void)ioc_ref;
-
-    io_context& ioc_ref2 = set1.get_io_service();
-    (void)ioc_ref2;
-#endif // !defined(ASIO_NO_DEPRECATED)
-
     // basic_signal_set functions.
 
     set1.add(1);
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/socket_acceptor_service.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/socket_acceptor_service.cpp
deleted file mode 100644
index 63d4814..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/socket_acceptor_service.cpp
+++ /dev/null
@@ -1,25 +0,0 @@
-//
-// socket_acceptor_service.cpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-// Disable autolinking for unit tests.
-#if !defined(BOOST_ALL_NO_LIB)
-#define BOOST_ALL_NO_LIB 1
-#endif // !defined(BOOST_ALL_NO_LIB)
-
-// Test that header file is self-contained.
-#include "asio/socket_acceptor_service.hpp"
-
-#include "unit_test.hpp"
-
-ASIO_TEST_SUITE
-(
-  "socket_acceptor_service",
-  ASIO_TEST_CASE(null_test)
-)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/socket_base.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/socket_base.cpp
index 49e948e..4fd3400 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/socket_base.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/socket_base.cpp
@@ -2,7 +2,7 @@
 // socket_base.cpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ssl/context.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ssl/context.cpp
index 4d2075b..8df9278 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ssl/context.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ssl/context.cpp
@@ -2,7 +2,7 @@
 // context.cpp
 // ~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ssl/context_base.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ssl/context_base.cpp
index 46b705a..e4d0f76 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ssl/context_base.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ssl/context_base.cpp
@@ -2,7 +2,7 @@
 // context_base.cpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ssl/error.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ssl/error.cpp
index 242f0f2..3bf95d9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ssl/error.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ssl/error.cpp
@@ -2,7 +2,7 @@
 // error.cpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ssl/rfc2818_verification.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ssl/rfc2818_verification.cpp
index b7396d7..c2c2f84 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ssl/rfc2818_verification.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ssl/rfc2818_verification.cpp
@@ -2,7 +2,7 @@
 // rfc2818_verification.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ssl/stream.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ssl/stream.cpp
index d6fc2a8..b392eb5 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ssl/stream.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ssl/stream.cpp
@@ -2,7 +2,7 @@
 // stream.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -80,14 +80,6 @@ void test()
     ssl::stream<ip::tcp::socket>::executor_type ex = stream1.get_executor();
     (void)ex;
 
-#if !defined(ASIO_NO_DEPRECATED)
-    io_context& ioc_ref = stream1.get_io_context();
-    (void)ioc_ref;
-
-    io_context& ioc_ref2 = stream1.get_io_service();
-    (void)ioc_ref2;
-#endif // !defined(ASIO_NO_DEPRECATED)
-
     // ssl::stream functions.
 
     SSL* ssl1 = stream1.native_handle();
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ssl/stream_base.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ssl/stream_base.cpp
index beb96c2..42ea59b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ssl/stream_base.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ssl/stream_base.cpp
@@ -2,7 +2,7 @@
 // stream_base.cpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/steady_timer.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/steady_timer.cpp
index 5c89a7f..e13da96 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/steady_timer.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/steady_timer.cpp
@@ -2,7 +2,7 @@
 // steady_timer.cpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/strand.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/strand.cpp
index 730afc9..40b1ba8 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/strand.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/strand.cpp
@@ -2,7 +2,7 @@
 // strand.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -56,7 +56,7 @@ void increment(int* count)
   ++(*count);
 }
 
-void increment_without_lock(io_context::strand* s, int* count)
+void increment_without_lock(strand<io_context::executor_type>* s, int* count)
 {
   ASIO_CHECK(!s->running_in_this_thread());
 
@@ -69,7 +69,7 @@ void increment_without_lock(io_context::strand* s, int* count)
   ASIO_CHECK(*count == original_count + 1);
 }
 
-void increment_with_lock(io_context::strand* s, int* count)
+void increment_with_lock(strand<io_context::executor_type>* s, int* count)
 {
   ASIO_CHECK(s->running_in_this_thread());
 
@@ -110,7 +110,8 @@ void increment_by_a_b_c_d(int* count, int a, int b, int c, int d)
   (*count) += a + b + c + d;
 }
 
-void start_sleep_increments(io_context* ioc, io_context::strand* s, int* count)
+void start_sleep_increments(io_context* ioc,
+    strand<io_context::executor_type>* s, int* count)
 {
   // Give all threads a chance to start.
   timer t(*ioc, chronons::seconds(2));
@@ -135,7 +136,7 @@ void io_context_run(io_context* ioc)
 void strand_test()
 {
   io_context ioc;
-  io_context::strand s(ioc);
+  strand<io_context::executor_type> s = make_strand(ioc);
   int count = 0;
 
   post(ioc, bindns::bind(increment_without_lock, &s, &count));
@@ -227,7 +228,7 @@ void strand_test()
   // Check for clean shutdown when handlers posted through an orphaned strand
   // are abandoned.
   {
-    io_context::strand s2(ioc);
+    strand<io_context::executor_type> s2 = make_strand(ioc.get_executor());
     post(s2, bindns::bind(increment, &count));
     post(s2, bindns::bind(increment, &count));
     post(s2, bindns::bind(increment, &count));
@@ -237,87 +238,8 @@ void strand_test()
   ASIO_CHECK(count == 0);
 }
 
-void strand_wrap_test()
-{
-  io_context ioc;
-  io_context::strand s(ioc);
-  int count = 0;
-
-  s.wrap(bindns::bind(increment, &count))();
-
-  // No handlers can be called until run() is called.
-  ASIO_CHECK(count == 0);
-
-  ioc.restart();
-  ioc.run();
-
-  // The run() calls will not return until all work has finished.
-  ASIO_CHECK(count == 1);
-
-  count = 0;
-  s.wrap(increment)(&count);
-
-  // No handlers can be called until run() is called.
-  ASIO_CHECK(count == 0);
-
-  ioc.restart();
-  ioc.run();
-
-  // The run() calls will not return until all work has finished.
-  ASIO_CHECK(count == 1);
-
-  count = 0;
-  s.wrap(increment_by_a)(&count, 1);
-
-  // No handlers can be called until run() is called.
-  ASIO_CHECK(count == 0);
-
-  ioc.restart();
-  ioc.run();
-
-  // The run() calls will not return until all work has finished.
-  ASIO_CHECK(count == 1);
-
-  count = 0;
-  s.wrap(increment_by_a_b)(&count, 1, 2);
-
-  // No handlers can be called until run() is called.
-  ASIO_CHECK(count == 0);
-
-  ioc.restart();
-  ioc.run();
-
-  // The run() calls will not return until all work has finished.
-  ASIO_CHECK(count == 3);
-
-  count = 0;
-  s.wrap(increment_by_a_b_c)(&count, 1, 2, 3);
-
-  // No handlers can be called until run() is called.
-  ASIO_CHECK(count == 0);
-
-  ioc.restart();
-  ioc.run();
-
-  // The run() calls will not return until all work has finished.
-  ASIO_CHECK(count == 6);
-
-  count = 0;
-  s.wrap(increment_by_a_b_c_d)(&count, 1, 2, 3, 4);
-
-  // No handlers can be called until run() is called.
-  ASIO_CHECK(count == 0);
-
-  ioc.restart();
-  ioc.run();
-
-  // The run() calls will not return until all work has finished.
-  ASIO_CHECK(count == 10);
-}
-
 ASIO_TEST_SUITE
 (
   "strand",
   ASIO_TEST_CASE(strand_test)
-  ASIO_TEST_CASE(strand_wrap_test)
 )
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/streambuf.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/streambuf.cpp
index 74d5ec4..af7789f 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/streambuf.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/streambuf.cpp
@@ -2,7 +2,7 @@
 // streambuf.cpp
 // ~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/system_context.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/system_context.cpp
index 3b7aba4..8c9d15b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/system_context.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/system_context.cpp
@@ -2,7 +2,7 @@
 // system_context.cpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/system_executor.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/system_executor.cpp
index 95b7994..1a8ce3c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/system_executor.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/system_executor.cpp
@@ -2,7 +2,7 @@
 // system_executor.cpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/system_timer.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/system_timer.cpp
index 6ff2dab..c993ef0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/system_timer.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/system_timer.cpp
@@ -2,7 +2,7 @@
 // system_timer.cpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -96,6 +96,7 @@ void system_timer_test()
 #endif // !defined(ASIO_HAS_BOOST_BIND)
 
   asio::io_context ioc;
+  const asio::io_context::executor_type ioc_ex = ioc.get_executor();
   int count = 0;
 
   asio::system_timer::time_point start = now();
@@ -110,7 +111,7 @@ void system_timer_test()
 
   start = now();
 
-  asio::system_timer t2(ioc, seconds(1) + microseconds(500000));
+  asio::system_timer t2(ioc_ex, seconds(1) + microseconds(500000));
   t2.wait();
 
   // The timer must block until after its expiry time.
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/this_coro.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/this_coro.cpp
new file mode 100644
index 0000000..3ef1877
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/this_coro.cpp
@@ -0,0 +1,25 @@
+//
+// this_coro.cpp
+// ~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+// Disable autolinking for unit tests.
+#if !defined(BOOST_ALL_NO_LIB)
+#define BOOST_ALL_NO_LIB 1
+#endif // !defined(BOOST_ALL_NO_LIB)
+
+// Test that header file is self-contained.
+#include "asio/this_coro.hpp"
+
+#include "unit_test.hpp"
+
+ASIO_TEST_SUITE
+(
+  "this_coro",
+  ASIO_TEST_CASE(null_test)
+)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/thread.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/thread.cpp
index abd7ef7..c6bb582 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/thread.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/thread.cpp
@@ -2,7 +2,7 @@
 // thread.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/time_traits.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/time_traits.cpp
index 5766f8d..2ffb4bc 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/time_traits.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/time_traits.cpp
@@ -2,7 +2,7 @@
 // time_traits.cpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/buffer.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/buffer.cpp
index dfbdf6f..4548485 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/buffer.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/buffer.cpp
@@ -2,7 +2,7 @@
 // buffer.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/executor.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/executor.cpp
index 8e84905..5b5ada7 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/executor.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/executor.cpp
@@ -2,7 +2,7 @@
 // executor.cpp
 // ~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/internet.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/internet.cpp
index 1865b18..e8c2626 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/internet.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/internet.cpp
@@ -2,7 +2,7 @@
 // internet.cpp
 // ~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/io_context.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/io_context.cpp
index 143323d..526dfd0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/io_context.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/io_context.cpp
@@ -2,7 +2,7 @@
 // io_context.cpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/net.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/net.cpp
index 67f2d98..4cd0411 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/net.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/net.cpp
@@ -2,7 +2,7 @@
 // net.cpp
 // ~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/netfwd.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/netfwd.cpp
index b6f169a..c6ddd97 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/netfwd.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/netfwd.cpp
@@ -2,7 +2,7 @@
 // netfwd.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/socket.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/socket.cpp
index 57459ce..a6a1bc6 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/socket.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/socket.cpp
@@ -2,7 +2,7 @@
 // socket.cpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/timer.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/timer.cpp
index 194a856..ed7f609 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/timer.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/ts/timer.cpp
@@ -2,7 +2,7 @@
 // timer.cpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/unit_test.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/unit_test.hpp
index 2d38d22..ac87f96 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/unit_test.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/unit_test.hpp
@@ -2,7 +2,7 @@
 // unit_test.hpp
 // ~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/use_awaitable.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/use_awaitable.cpp
new file mode 100644
index 0000000..afa7f76
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/use_awaitable.cpp
@@ -0,0 +1,25 @@
+//
+// use_awaitable.cpp
+// ~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+// Disable autolinking for unit tests.
+#if !defined(BOOST_ALL_NO_LIB)
+#define BOOST_ALL_NO_LIB 1
+#endif // !defined(BOOST_ALL_NO_LIB)
+
+// Test that header file is self-contained.
+#include "asio/use_awaitable.hpp"
+
+#include "unit_test.hpp"
+
+ASIO_TEST_SUITE
+(
+  "use_awaitable",
+  ASIO_TEST_CASE(null_test)
+)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/use_future.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/use_future.cpp
index 82fd7af..c4de771 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/use_future.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/use_future.cpp
@@ -2,7 +2,7 @@
 // use_future.cpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -22,7 +22,6 @@
 #if defined(ASIO_HAS_STD_FUTURE)
 
 #include "archetypes/async_ops.hpp"
-#include "archetypes/deprecated_async_ops.hpp"
 
 void use_future_0_test()
 {
@@ -647,673 +646,6 @@ void use_future_package_3_test()
   }
 }
 
-void deprecated_use_future_0_test()
-{
-#if !defined(ASIO_NO_DEPRECATED)
-  using asio::use_future;
-  using namespace archetypes;
-
-  std::future<void> f;
-  asio::io_context ctx;
-
-  f = deprecated_async_op_0(ctx, use_future);
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    f.get();
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ec_0(ctx, true, use_future);
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    f.get();
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ec_0(ctx, false, use_future);
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    f.get();
-    ASIO_CHECK(false);
-  }
-  catch (asio::system_error& e)
-  {
-    ASIO_CHECK(e.code() == asio::error::operation_aborted);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = async_op_ex_0(true, use_future);
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    f.get();
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = async_op_ex_0(false, use_future);
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    f.get();
-    ASIO_CHECK(false);
-  }
-  catch (std::exception& e)
-  {
-    ASIO_CHECK(e.what() == std::string("blah"));
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-}
-
-void deprecated_use_future_1_test()
-{
-#if !defined(ASIO_NO_DEPRECATED)
-  using asio::use_future;
-  using namespace archetypes;
-
-  std::future<int> f;
-  asio::io_context ctx;
-
-  f = deprecated_async_op_1(ctx, use_future);
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i = f.get();
-    ASIO_CHECK(i == 42);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ec_1(ctx, true, use_future);
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i = f.get();
-    ASIO_CHECK(i == 42);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ec_1(ctx, false, use_future);
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i = f.get();
-    ASIO_CHECK(false);
-    (void)i;
-  }
-  catch (asio::system_error& e)
-  {
-    ASIO_CHECK(e.code() == asio::error::operation_aborted);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ex_1(ctx, true, use_future);
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i = f.get();
-    ASIO_CHECK(i == 42);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ex_1(ctx, false, use_future);
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i = f.get();
-    ASIO_CHECK(false);
-    (void)i;
-  }
-  catch (std::exception& e)
-  {
-    ASIO_CHECK(e.what() == std::string("blah"));
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-}
-
-void deprecated_use_future_2_test()
-{
-#if !defined(ASIO_NO_DEPRECATED)
-  using asio::use_future;
-  using namespace archetypes;
-
-  std::future<std::tuple<int, double>> f;
-  asio::io_context ctx;
-
-  f = deprecated_async_op_2(ctx, use_future);
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i;
-    double d;
-    std::tie(i, d) = f.get();
-    ASIO_CHECK(i == 42);
-    ASIO_CHECK(d == 2.0);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ec_2(ctx, true, use_future);
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i;
-    double d;
-    std::tie(i, d) = f.get();
-    ASIO_CHECK(i == 42);
-    ASIO_CHECK(d == 2.0);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ec_2(ctx, false, use_future);
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    std::tuple<int, double> t = f.get();
-    ASIO_CHECK(false);
-    (void)t;
-  }
-  catch (asio::system_error& e)
-  {
-    ASIO_CHECK(e.code() == asio::error::operation_aborted);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ex_2(ctx, true, use_future);
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i;
-    double d;
-    std::tie(i, d) = f.get();
-    ASIO_CHECK(i == 42);
-    ASIO_CHECK(d == 2.0);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ex_2(ctx, false, use_future);
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    std::tuple<int, double> t = f.get();
-    ASIO_CHECK(false);
-    (void)t;
-  }
-  catch (std::exception& e)
-  {
-    ASIO_CHECK(e.what() == std::string("blah"));
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-}
-
-void deprecated_use_future_3_test()
-{
-#if !defined(ASIO_NO_DEPRECATED)
-  using asio::use_future;
-  using namespace archetypes;
-
-  std::future<std::tuple<int, double, char>> f;
-  asio::io_context ctx;
-
-  f = deprecated_async_op_3(ctx, use_future);
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i;
-    double d;
-    char c;
-    std::tie(i, d, c) = f.get();
-    ASIO_CHECK(i == 42);
-    ASIO_CHECK(d == 2.0);
-    ASIO_CHECK(c == 'a');
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ec_3(ctx, true, use_future);
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i;
-    double d;
-    char c;
-    std::tie(i, d, c) = f.get();
-    ASIO_CHECK(i == 42);
-    ASIO_CHECK(d == 2.0);
-    ASIO_CHECK(c == 'a');
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ec_3(ctx, false, use_future);
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    std::tuple<int, double, char> t = f.get();
-    ASIO_CHECK(false);
-    (void)t;
-  }
-  catch (asio::system_error& e)
-  {
-    ASIO_CHECK(e.code() == asio::error::operation_aborted);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ex_3(ctx, true, use_future);
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i;
-    double d;
-    char c;
-    std::tie(i, d, c) = f.get();
-    ASIO_CHECK(i == 42);
-    ASIO_CHECK(d == 2.0);
-    ASIO_CHECK(c == 'a');
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ex_3(ctx, false, use_future);
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    std::tuple<int, double, char> t = f.get();
-    ASIO_CHECK(false);
-    (void)t;
-  }
-  catch (std::exception& e)
-  {
-    ASIO_CHECK(e.what() == std::string("blah"));
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-}
-
-void deprecated_use_future_package_0_test()
-{
-#if !defined(ASIO_NO_DEPRECATED)
-  using asio::use_future;
-  using namespace archetypes;
-
-  std::future<int> f;
-  asio::io_context ctx;
-
-  f = deprecated_async_op_0(ctx, use_future(package_0));
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i = f.get();
-    ASIO_CHECK(i == 42);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ec_0(ctx, true, use_future(&package_ec_0));
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i = f.get();
-    ASIO_CHECK(i == 42);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ec_0(ctx, false, use_future(package_ec_0));
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i = f.get();
-    ASIO_CHECK(i == 0);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ex_0(ctx, true, use_future(package_ex_0));
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i = f.get();
-    ASIO_CHECK(i == 42);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ex_0(ctx, false, use_future(package_ex_0));
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i = f.get();
-    ASIO_CHECK(i == 0);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-}
-
-void deprecated_use_future_package_1_test()
-{
-#if !defined(ASIO_NO_DEPRECATED)
-  using asio::use_future;
-  using namespace archetypes;
-
-  std::future<int> f;
-  asio::io_context ctx;
-
-  f = deprecated_async_op_1(ctx, use_future(package_1));
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i = f.get();
-    ASIO_CHECK(i == 42);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ec_1(ctx, true, use_future(package_ec_1));
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i = f.get();
-    ASIO_CHECK(i == 42);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ec_1(ctx, false, use_future(package_ec_1));
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i = f.get();
-    ASIO_CHECK(i == 0);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ex_1(ctx, true, use_future(package_ex_1));
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i = f.get();
-    ASIO_CHECK(i == 42);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ex_1(ctx, false, use_future(package_ex_1));
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i = f.get();
-    ASIO_CHECK(i == 0);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-}
-
-void deprecated_use_future_package_2_test()
-{
-#if !defined(ASIO_NO_DEPRECATED)
-  using asio::use_future;
-  using namespace archetypes;
-
-  std::future<int> f;
-  asio::io_context ctx;
-
-  f = deprecated_async_op_2(ctx, use_future(package_2));
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i = f.get();
-    ASIO_CHECK(i == 42);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ec_2(ctx, true, use_future(package_ec_2));
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i = f.get();
-    ASIO_CHECK(i == 42);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ec_2(ctx, false, use_future(package_ec_2));
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i = f.get();
-    ASIO_CHECK(i == 0);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ex_2(ctx, true, use_future(package_ex_2));
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i = f.get();
-    ASIO_CHECK(i == 42);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ex_2(ctx, false, use_future(package_ex_2));
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i = f.get();
-    ASIO_CHECK(i == 0);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-}
-
-void deprecated_use_future_package_3_test()
-{
-#if !defined(ASIO_NO_DEPRECATED)
-  using asio::use_future;
-  using namespace archetypes;
-
-  std::future<int> f;
-  asio::io_context ctx;
-
-  f = deprecated_async_op_3(ctx, use_future(package_3));
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i = f.get();
-    ASIO_CHECK(i == 42);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ec_3(ctx, true, use_future(package_ec_3));
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i = f.get();
-    ASIO_CHECK(i == 42);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ec_3(ctx, false, use_future(package_ec_3));
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i = f.get();
-    ASIO_CHECK(i == 0);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ex_3(ctx, true, use_future(package_ex_3));
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i = f.get();
-    ASIO_CHECK(i == 42);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-
-  f = deprecated_async_op_ex_3(ctx, false, use_future(package_ex_3));
-  ctx.restart();
-  ctx.run();
-  try
-  {
-    int i = f.get();
-    ASIO_CHECK(i == 0);
-  }
-  catch (...)
-  {
-    ASIO_CHECK(false);
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-}
-
 ASIO_TEST_SUITE
 (
   "use_future",
@@ -1325,14 +657,6 @@ ASIO_TEST_SUITE
   ASIO_TEST_CASE(use_future_package_1_test)
   ASIO_TEST_CASE(use_future_package_2_test)
   ASIO_TEST_CASE(use_future_package_3_test)
-  ASIO_TEST_CASE(deprecated_use_future_0_test)
-  ASIO_TEST_CASE(deprecated_use_future_1_test)
-  ASIO_TEST_CASE(deprecated_use_future_2_test)
-  ASIO_TEST_CASE(deprecated_use_future_3_test)
-  ASIO_TEST_CASE(deprecated_use_future_package_0_test)
-  ASIO_TEST_CASE(deprecated_use_future_package_1_test)
-  ASIO_TEST_CASE(deprecated_use_future_package_2_test)
-  ASIO_TEST_CASE(deprecated_use_future_package_3_test)
 )
 
 #else // defined(ASIO_HAS_STD_FUTURE)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/uses_executor.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/uses_executor.cpp
index 5119da1..682a248 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/uses_executor.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/uses_executor.cpp
@@ -2,7 +2,7 @@
 // uses_executor.cpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/wait_traits.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/wait_traits.cpp
index 024b4d1..c78babc 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/wait_traits.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/wait_traits.cpp
@@ -2,7 +2,7 @@
 // wait_traits.cpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/waitable_timer_service.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/waitable_timer_service.cpp
deleted file mode 100644
index 374caf9..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/waitable_timer_service.cpp
+++ /dev/null
@@ -1,25 +0,0 @@
-//
-// waitable_timer_service.cpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-// Disable autolinking for unit tests.
-#if !defined(BOOST_ALL_NO_LIB)
-#define BOOST_ALL_NO_LIB 1
-#endif // !defined(BOOST_ALL_NO_LIB)
-
-// Test that header file is self-contained.
-#include "asio/waitable_timer_service.hpp"
-
-#include "unit_test.hpp"
-
-ASIO_TEST_SUITE
-(
-  "waitable_timer_service",
-  ASIO_TEST_CASE(null_test)
-)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/.gitignore b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/.gitignore
index d225c81..56de678 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/.gitignore
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/.gitignore
@@ -7,15 +7,12 @@
 *.manifest
 *.pdb
 *.tds
-basic_handle
 basic_object_handle
+basic_overlapped_handle
 basic_random_access_handle
 basic_stream_handle
 object_handle
-object_handle_service
 overlapped_handle
 overlapped_ptr
 random_access_handle
-random_access_handle_service
 stream_handle
-stream_handle_service
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/basic_handle.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/basic_handle.cpp
deleted file mode 100644
index a1b72b5..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/basic_handle.cpp
+++ /dev/null
@@ -1,26 +0,0 @@
-//
-// basic_handle.cpp
-// ~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-// Disable autolinking for unit tests.
-#if !defined(BOOST_ALL_NO_LIB)
-#define BOOST_ALL_NO_LIB 1
-#endif // !defined(BOOST_ALL_NO_LIB)
-
-// Test that header file is self-contained.
-#include "asio/windows/basic_handle.hpp"
-
-#include "asio.hpp"
-#include "../unit_test.hpp"
-
-ASIO_TEST_SUITE
-(
-  "windows/basic_handle",
-  ASIO_TEST_CASE(null_test)
-)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/basic_object_handle.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/basic_object_handle.cpp
index 94ecd17..c6ab3b8 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/basic_object_handle.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/basic_object_handle.cpp
@@ -2,7 +2,7 @@
 // basic_object_handle.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -16,11 +16,10 @@
 // Test that header file is self-contained.
 #include "asio/windows/basic_object_handle.hpp"
 
-#include "asio.hpp"
 #include "../unit_test.hpp"
 
 ASIO_TEST_SUITE
 (
-  "windows/basic_object_handle",
+  "basic_object_handle",
   ASIO_TEST_CASE(null_test)
 )
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/datagram_socket_service.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/basic_overlapped_handle.cpp
similarity index 68%
rename from Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/datagram_socket_service.cpp
rename to Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/basic_overlapped_handle.cpp
index 237d1f9..2dfd402 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/datagram_socket_service.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/basic_overlapped_handle.cpp
@@ -1,8 +1,8 @@
 //
-// datagram_socket_service.cpp
+// basic_overlapped_handle.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -14,12 +14,12 @@
 #endif // !defined(BOOST_ALL_NO_LIB)
 
 // Test that header file is self-contained.
-#include "asio/datagram_socket_service.hpp"
+#include "asio/windows/basic_overlapped_handle.hpp"
 
-#include "unit_test.hpp"
+#include "../unit_test.hpp"
 
 ASIO_TEST_SUITE
 (
-  "datagram_socket_service",
+  "basic_overlapped_handle",
   ASIO_TEST_CASE(null_test)
 )
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/basic_random_access_handle.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/basic_random_access_handle.cpp
index 8d02a13..a92a902 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/basic_random_access_handle.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/basic_random_access_handle.cpp
@@ -2,7 +2,7 @@
 // basic_random_access_handle.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -16,11 +16,10 @@
 // Test that header file is self-contained.
 #include "asio/windows/basic_random_access_handle.hpp"
 
-#include "asio.hpp"
 #include "../unit_test.hpp"
 
 ASIO_TEST_SUITE
 (
-  "windows/basic_random_access_handle",
+  "basic_random_access_handle",
   ASIO_TEST_CASE(null_test)
 )
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/basic_stream_handle.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/basic_stream_handle.cpp
index 6693820..50c5ccd 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/basic_stream_handle.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/basic_stream_handle.cpp
@@ -2,7 +2,7 @@
 // basic_stream_handle.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -16,11 +16,10 @@
 // Test that header file is self-contained.
 #include "asio/windows/basic_stream_handle.hpp"
 
-#include "asio.hpp"
 #include "../unit_test.hpp"
 
 ASIO_TEST_SUITE
 (
-  "windows/basic_stream_handle",
+  "basic_stream_handle",
   ASIO_TEST_CASE(null_test)
 )
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/object_handle.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/object_handle.cpp
index 2ee3e49..e993ecf 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/object_handle.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/object_handle.cpp
@@ -2,7 +2,7 @@
 // object_handle.cpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -43,6 +43,7 @@ void test()
   try
   {
     io_context ioc;
+    const io_context::executor_type ioc_ex = ioc.get_executor();
     archetypes::lazy_handler lazy;
     asio::error_code ec;
 
@@ -50,27 +51,30 @@ void test()
 
     win::object_handle handle1(ioc);
     HANDLE native_handle1 = INVALID_HANDLE_VALUE;
+#if defined(ASIO_MSVC) && (_MSC_VER < 1910)
+    // Skip this on older MSVC due to mysterious ambiguous overload errors.
+#else
     win::object_handle handle2(ioc, native_handle1);
+#endif
+
+    win::object_handle handle3(ioc_ex);
+    HANDLE native_handle2 = INVALID_HANDLE_VALUE;
+    win::object_handle handle4(ioc_ex, native_handle2);
 
 #if defined(ASIO_HAS_MOVE)
-    win::object_handle handle3(std::move(handle2));
+    win::object_handle handle5(std::move(handle4));
 #endif // defined(ASIO_HAS_MOVE)
 
     // basic_object_handle operators.
 
 #if defined(ASIO_HAS_MOVE)
     handle1 = win::object_handle(ioc);
-    handle1 = std::move(handle2);
+    handle1 = std::move(handle3);
 #endif // defined(ASIO_HAS_MOVE)
 
     // basic_io_object functions.
 
-#if !defined(ASIO_NO_DEPRECATED)
-    io_context& ioc_ref = handle1.get_io_context();
-    (void)ioc_ref;
-#endif // !defined(ASIO_NO_DEPRECATED)
-
-    io_context::executor_type ex = handle1.get_executor();
+    win::object_handle::executor_type ex = handle1.get_executor();
     (void)ex;
 
     // basic_handle functions.
@@ -79,13 +83,13 @@ void test()
       = handle1.lowest_layer();
     (void)lowest_layer;
 
-    const win::object_handle& handle4 = handle1;
-    const win::object_handle::lowest_layer_type& lowest_layer2
-      = handle4.lowest_layer();
-    (void)lowest_layer2;
+    const win::object_handle& handle6 = handle1;
+    const win::object_handle::lowest_layer_type& lowest_layer3
+      = handle6.lowest_layer();
+    (void)lowest_layer3;
 
-    HANDLE native_handle2 = INVALID_HANDLE_VALUE;
-    handle1.assign(native_handle2);
+    HANDLE native_handle4 = INVALID_HANDLE_VALUE;
+    handle1.assign(native_handle4);
 
     bool is_open = handle1.is_open();
     (void)is_open;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/object_handle_service.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/object_handle_service.cpp
deleted file mode 100644
index 01ca024..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/object_handle_service.cpp
+++ /dev/null
@@ -1,26 +0,0 @@
-//
-// object_handle_service.cpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-// Disable autolinking for unit tests.
-#if !defined(BOOST_ALL_NO_LIB)
-#define BOOST_ALL_NO_LIB 1
-#endif // !defined(BOOST_ALL_NO_LIB)
-
-// Test that header file is self-contained.
-#include "asio/windows/object_handle_service.hpp"
-
-#include "asio.hpp"
-#include "../unit_test.hpp"
-
-ASIO_TEST_SUITE
-(
-  "windows/object_handle_service",
-  ASIO_TEST_CASE(null_test)
-)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/overlapped_handle.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/overlapped_handle.cpp
index bdcb810..f09a7bb 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/overlapped_handle.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/overlapped_handle.cpp
@@ -2,7 +2,7 @@
 // overlapped_handle.cpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/overlapped_ptr.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/overlapped_ptr.cpp
index d144a31..74c3a46 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/overlapped_ptr.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/overlapped_ptr.cpp
@@ -2,7 +2,7 @@
 // overlapped_ptr.cpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -16,6 +16,7 @@
 // Test that header file is self-contained.
 #include "asio/windows/overlapped_ptr.hpp"
 
+#include "asio/executor.hpp"
 #include "asio/io_context.hpp"
 #include "../unit_test.hpp"
 
@@ -49,6 +50,7 @@ void test()
   try
   {
     io_context ioc;
+    asio::executor ex(ioc.get_executor());
 
     // basic_overlapped_ptr constructors.
 
@@ -57,6 +59,11 @@ void test()
     win::overlapped_ptr ptr2(ioc, &overlapped_handler_1);
     win::overlapped_ptr ptr3(ioc, overlapped_handler_2());
 
+    win::overlapped_ptr ptr4(ioc.get_executor(), &overlapped_handler_1);
+    win::overlapped_ptr ptr5(ioc.get_executor(), overlapped_handler_2());
+    win::overlapped_ptr ptr6(ex, &overlapped_handler_1);
+    win::overlapped_ptr ptr7(ex, overlapped_handler_2());
+
     // overlapped_ptr functions.
 
     ptr1.reset();
@@ -64,10 +71,15 @@ void test()
     ptr2.reset(ioc, &overlapped_handler_1);
     ptr3.reset(ioc, overlapped_handler_2());
 
+    ptr2.reset(ioc.get_executor(), &overlapped_handler_1);
+    ptr3.reset(ioc.get_executor(), overlapped_handler_2());
+    ptr2.reset(ex, &overlapped_handler_1);
+    ptr3.reset(ex, overlapped_handler_2());
+
     OVERLAPPED* ov1 = ptr1.get();
     (void)ov1;
 
-    const win::overlapped_ptr& ptr4(ptr1);
+    const win::overlapped_ptr& ptr8(ptr1);
     const OVERLAPPED* ov2 = ptr4.get();
     (void)ov2;
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/random_access_handle.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/random_access_handle.cpp
index 04de6b7..2a8f92e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/random_access_handle.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/random_access_handle.cpp
@@ -2,7 +2,7 @@
 // random_access_handle.cpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -47,6 +47,7 @@ void test()
   try
   {
     io_context ioc;
+    const io_context::executor_type ioc_ex = ioc.get_executor();
     char mutable_char_buffer[128] = "";
     const char const_char_buffer[128] = "";
     asio::uint64_t offset = 0;
@@ -57,42 +58,45 @@ void test()
 
     win::random_access_handle handle1(ioc);
     HANDLE native_handle1 = INVALID_HANDLE_VALUE;
+#if defined(ASIO_MSVC) && (_MSC_VER < 1910)
+    // Skip this on older MSVC due to mysterious ambiguous overload errors.
+#else
     win::random_access_handle handle2(ioc, native_handle1);
+#endif
+
+    win::random_access_handle handle3(ioc_ex);
+    HANDLE native_handle2 = INVALID_HANDLE_VALUE;
+    win::random_access_handle handle4(ioc_ex, native_handle2);
 
 #if defined(ASIO_HAS_MOVE)
-    win::random_access_handle handle3(std::move(handle2));
+    win::random_access_handle handle5(std::move(handle4));
 #endif // defined(ASIO_HAS_MOVE)
 
     // basic_random_access_handle operators.
 
 #if defined(ASIO_HAS_MOVE)
     handle1 = win::random_access_handle(ioc);
-    handle1 = std::move(handle2);
+    handle1 = std::move(handle4);
 #endif // defined(ASIO_HAS_MOVE)
 
     // basic_io_object functions.
 
-#if !defined(ASIO_NO_DEPRECATED)
-    io_context& ioc_ref = handle1.get_io_context();
-    (void)ioc_ref;
-#endif // !defined(ASIO_NO_DEPRECATED)
-
-    io_context::executor_type ex = handle1.get_executor();
+    windows::random_access_handle::executor_type ex = handle1.get_executor();
     (void)ex;
 
-    // basic_handle functions.
+    // basic_overlapped_handle functions.
 
     win::random_access_handle::lowest_layer_type& lowest_layer
       = handle1.lowest_layer();
     (void)lowest_layer;
 
-    const win::random_access_handle& handle4 = handle1;
+    const win::random_access_handle& handle6 = handle1;
     const win::random_access_handle::lowest_layer_type& lowest_layer2
-      = handle4.lowest_layer();
+      = handle6.lowest_layer();
     (void)lowest_layer2;
 
-    HANDLE native_handle2 = INVALID_HANDLE_VALUE;
-    handle1.assign(native_handle2);
+    HANDLE native_handle3 = INVALID_HANDLE_VALUE;
+    handle1.assign(native_handle3);
 
     bool is_open = handle1.is_open();
     (void)is_open;
@@ -100,9 +104,9 @@ void test()
     handle1.close();
     handle1.close(ec);
 
-    win::random_access_handle::native_handle_type native_handle3
+    win::random_access_handle::native_handle_type native_handle4
       = handle1.native_handle();
-    (void)native_handle3;
+    (void)native_handle4;
 
     handle1.cancel();
     handle1.cancel(ec);
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/random_access_handle_service.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/random_access_handle_service.cpp
deleted file mode 100644
index e035bf7..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/random_access_handle_service.cpp
+++ /dev/null
@@ -1,26 +0,0 @@
-//
-// random_access_handle_service.cpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-// Disable autolinking for unit tests.
-#if !defined(BOOST_ALL_NO_LIB)
-#define BOOST_ALL_NO_LIB 1
-#endif // !defined(BOOST_ALL_NO_LIB)
-
-// Test that header file is self-contained.
-#include "asio/windows/random_access_handle_service.hpp"
-
-#include "asio.hpp"
-#include "../unit_test.hpp"
-
-ASIO_TEST_SUITE
-(
-  "windows/random_access_handle_service",
-  ASIO_TEST_CASE(null_test)
-)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/stream_handle.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/stream_handle.cpp
index db43218..5d278c7 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/stream_handle.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/stream_handle.cpp
@@ -2,7 +2,7 @@
 // stream_handle.cpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -47,6 +47,7 @@ void test()
   try
   {
     io_context ioc;
+    const io_context::executor_type ioc_ex = ioc.get_executor();
     char mutable_char_buffer[128] = "";
     const char const_char_buffer[128] = "";
     archetypes::lazy_handler lazy;
@@ -56,42 +57,45 @@ void test()
 
     win::stream_handle handle1(ioc);
     HANDLE native_handle1 = INVALID_HANDLE_VALUE;
+#if defined(ASIO_MSVC) && (_MSC_VER < 1910)
+    // Skip this on older MSVC due to mysterious ambiguous overload errors.
+#else
     win::stream_handle handle2(ioc, native_handle1);
+#endif
+
+    win::stream_handle handle3(ioc_ex);
+    HANDLE native_handle2 = INVALID_HANDLE_VALUE;
+    win::stream_handle handle4(ioc_ex, native_handle2);
 
 #if defined(ASIO_HAS_MOVE)
-    win::stream_handle handle3(std::move(handle2));
+    win::stream_handle handle5(std::move(handle4));
 #endif // defined(ASIO_HAS_MOVE)
 
     // basic_stream_handle operators.
 
 #if defined(ASIO_HAS_MOVE)
     handle1 = win::stream_handle(ioc);
-    handle1 = std::move(handle2);
+    handle1 = std::move(handle4);
 #endif // defined(ASIO_HAS_MOVE)
 
     // basic_io_object functions.
 
-#if !defined(ASIO_NO_DEPRECATED)
-    io_context& ioc_ref = handle1.get_io_context();
-    (void)ioc_ref;
-#endif // !defined(ASIO_NO_DEPRECATED)
-
-    io_context::executor_type ex = handle1.get_executor();
+    windows::stream_handle::executor_type ex = handle1.get_executor();
     (void)ex;
 
-    // basic_handle functions.
+    // basic_overlapped_handle functions.
 
     win::stream_handle::lowest_layer_type& lowest_layer
       = handle1.lowest_layer();
     (void)lowest_layer;
 
-    const win::stream_handle& handle4 = handle1;
+    const win::stream_handle& handle6 = handle1;
     const win::stream_handle::lowest_layer_type& lowest_layer2
-      = handle4.lowest_layer();
+      = handle6.lowest_layer();
     (void)lowest_layer2;
 
-    HANDLE native_handle2 = INVALID_HANDLE_VALUE;
-    handle1.assign(native_handle2);
+    HANDLE native_handle3 = INVALID_HANDLE_VALUE;
+    handle1.assign(native_handle3);
 
     bool is_open = handle1.is_open();
     (void)is_open;
@@ -99,9 +103,9 @@ void test()
     handle1.close();
     handle1.close(ec);
 
-    win::stream_handle::native_handle_type native_handle3
+    win::stream_handle::native_handle_type native_handle4
       = handle1.native_handle();
-    (void)native_handle3;
+    (void)native_handle4;
 
     handle1.cancel();
     handle1.cancel(ec);
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/stream_handle_service.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/stream_handle_service.cpp
deleted file mode 100644
index 4724b3c..0000000
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/windows/stream_handle_service.cpp
+++ /dev/null
@@ -1,26 +0,0 @@
-//
-// stream_handle_service.cpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-// Disable autolinking for unit tests.
-#if !defined(BOOST_ALL_NO_LIB)
-#define BOOST_ALL_NO_LIB 1
-#endif // !defined(BOOST_ALL_NO_LIB)
-
-// Test that header file is self-contained.
-#include "asio/windows/stream_handle_service.hpp"
-
-#include "asio.hpp"
-#include "../unit_test.hpp"
-
-ASIO_TEST_SUITE
-(
-  "windows/stream_handle_service",
-  ASIO_TEST_CASE(null_test)
-)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/write.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/write.cpp
index a250bf6..0cddb67 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/write.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/write.cpp
@@ -2,7 +2,7 @@
 // write.cpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -120,7 +120,8 @@ public:
   }
 
   template <typename Const_Buffers, typename Handler>
-  void async_write_some(const Const_Buffers& buffers, Handler handler)
+  void async_write_some(const Const_Buffers& buffers,
+      ASIO_MOVE_ARG(Handler) handler)
   {
     size_t bytes_transferred = write_some(buffers);
     asio::post(get_executor(),
@@ -230,6 +231,38 @@ void test_2_arg_vector_buffers_write()
   ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
 }
 
+void test_2_arg_dynamic_string_write()
+{
+  asio::io_context ioc;
+  test_stream s(ioc);
+  std::string data;
+  asio::dynamic_string_buffer<char, std::string::traits_type,
+    std::string::allocator_type> sb
+      = asio::dynamic_buffer(data, sizeof(write_data));
+  asio::const_buffer buffers
+    = asio::buffer(write_data, sizeof(write_data));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  size_t bytes_transferred = asio::write(s, sb);
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  bytes_transferred = asio::write(s, sb);
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  bytes_transferred = asio::write(s, sb);
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+}
+
 void test_3_arg_nothrow_zero_buffers_write()
 {
   asio::io_context ioc;
@@ -331,17 +364,62 @@ void test_3_arg_nothrow_vector_buffers_write()
   ASIO_CHECK(!error);
 }
 
+void test_3_arg_nothrow_dynamic_string_write()
+{
+  asio::io_context ioc;
+  test_stream s(ioc);
+  std::string data;
+  asio::dynamic_string_buffer<char, std::string::traits_type,
+    std::string::allocator_type> sb
+      = asio::dynamic_buffer(data, sizeof(write_data));
+  asio::const_buffer buffers
+    = asio::buffer(write_data, sizeof(write_data));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  asio::error_code error;
+  size_t bytes_transferred = asio::write(s, sb, error);
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  bytes_transferred = asio::write(s, sb, error);
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  bytes_transferred = asio::write(s, sb, error);
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+  ASIO_CHECK(!error);
+}
+
 bool old_style_transfer_all(const asio::error_code& ec,
     size_t /*bytes_transferred*/)
 {
   return !!ec;
 }
 
-size_t short_transfer(const asio::error_code& ec,
-    size_t /*bytes_transferred*/)
+struct short_transfer
 {
-  return !!ec ? 0 : 3;
-}
+  short_transfer() {}
+#if defined(ASIO_HAS_MOVE)
+  short_transfer(short_transfer&&) {}
+#else // defined(ASIO_HAS_MOVE)
+  short_transfer(const short_transfer&) {}
+#endif // defined(ASIO_HAS_MOVE)
+  size_t operator()(const asio::error_code& ec,
+      size_t /*bytes_transferred*/)
+  {
+    return !!ec ? 0 : 3;
+  }
+};
 
 void test_3_arg_const_buffer_write()
 {
@@ -508,19 +586,19 @@ void test_3_arg_const_buffer_write()
   ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
 
   s.reset();
-  bytes_transferred = asio::write(s, buffers, short_transfer);
+  bytes_transferred = asio::write(s, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
 
   s.reset();
   s.next_write_length(1);
-  bytes_transferred = asio::write(s, buffers, short_transfer);
+  bytes_transferred = asio::write(s, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
 
   s.reset();
   s.next_write_length(10);
-  bytes_transferred = asio::write(s, buffers, short_transfer);
+  bytes_transferred = asio::write(s, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
 }
@@ -690,19 +768,19 @@ void test_3_arg_mutable_buffer_write()
   ASIO_CHECK(s.check_buffers(buffers, sizeof(mutable_write_data)));
 
   s.reset();
-  bytes_transferred = asio::write(s, buffers, short_transfer);
+  bytes_transferred = asio::write(s, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(mutable_write_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(mutable_write_data)));
 
   s.reset();
   s.next_write_length(1);
-  bytes_transferred = asio::write(s, buffers, short_transfer);
+  bytes_transferred = asio::write(s, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(mutable_write_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(mutable_write_data)));
 
   s.reset();
   s.next_write_length(10);
-  bytes_transferred = asio::write(s, buffers, short_transfer);
+  bytes_transferred = asio::write(s, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(mutable_write_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(mutable_write_data)));
 }
@@ -874,19 +952,232 @@ void test_3_arg_vector_buffers_write()
   ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
 
   s.reset();
-  bytes_transferred = asio::write(s, buffers, short_transfer);
+  bytes_transferred = asio::write(s, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
 
   s.reset();
   s.next_write_length(1);
-  bytes_transferred = asio::write(s, buffers, short_transfer);
+  bytes_transferred = asio::write(s, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
 
   s.reset();
   s.next_write_length(10);
-  bytes_transferred = asio::write(s, buffers, short_transfer);
+  bytes_transferred = asio::write(s, buffers, short_transfer());
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+}
+
+void test_3_arg_dynamic_string_write()
+{
+  asio::io_context ioc;
+  test_stream s(ioc);
+  std::string data;
+  asio::dynamic_string_buffer<char, std::string::traits_type,
+    std::string::allocator_type> sb
+      = asio::dynamic_buffer(data, sizeof(write_data));
+  asio::const_buffer buffers
+    = asio::buffer(write_data, sizeof(write_data));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  size_t bytes_transferred = asio::write(s, sb,
+      asio::transfer_all());
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_all());
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_all());
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_at_least(1));
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_at_least(1));
+  ASIO_CHECK(bytes_transferred == 1);
+  ASIO_CHECK(s.check_buffers(buffers, 1));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_at_least(1));
+  ASIO_CHECK(bytes_transferred == 10);
+  ASIO_CHECK(s.check_buffers(buffers, 10));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_at_least(10));
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_at_least(10));
+  ASIO_CHECK(bytes_transferred == 10);
+  ASIO_CHECK(s.check_buffers(buffers, 10));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_at_least(10));
+  ASIO_CHECK(bytes_transferred == 10);
+  ASIO_CHECK(s.check_buffers(buffers, 10));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_at_least(42));
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_at_least(42));
+  ASIO_CHECK(bytes_transferred == 42);
+  ASIO_CHECK(s.check_buffers(buffers, 42));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_at_least(42));
+  ASIO_CHECK(bytes_transferred == 50);
+  ASIO_CHECK(s.check_buffers(buffers, 50));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_exactly(1));
+  ASIO_CHECK(bytes_transferred == 1);
+  ASIO_CHECK(s.check_buffers(buffers, 1));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_exactly(1));
+  ASIO_CHECK(bytes_transferred == 1);
+  ASIO_CHECK(s.check_buffers(buffers, 1));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_exactly(1));
+  ASIO_CHECK(bytes_transferred == 1);
+  ASIO_CHECK(s.check_buffers(buffers, 1));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_exactly(10));
+  ASIO_CHECK(bytes_transferred == 10);
+  ASIO_CHECK(s.check_buffers(buffers, 10));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_exactly(10));
+  ASIO_CHECK(bytes_transferred == 10);
+  ASIO_CHECK(s.check_buffers(buffers, 10));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_exactly(10));
+  ASIO_CHECK(bytes_transferred == 10);
+  ASIO_CHECK(s.check_buffers(buffers, 10));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_exactly(42));
+  ASIO_CHECK(bytes_transferred == 42);
+  ASIO_CHECK(s.check_buffers(buffers, 42));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_exactly(42));
+  ASIO_CHECK(bytes_transferred == 42);
+  ASIO_CHECK(s.check_buffers(buffers, 42));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_exactly(42));
+  ASIO_CHECK(bytes_transferred == 42);
+  ASIO_CHECK(s.check_buffers(buffers, 42));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  bytes_transferred = asio::write(s, sb, old_style_transfer_all);
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  bytes_transferred = asio::write(s, sb, old_style_transfer_all);
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  bytes_transferred = asio::write(s, sb, old_style_transfer_all);
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  bytes_transferred = asio::write(s, sb, short_transfer());
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  bytes_transferred = asio::write(s, sb, short_transfer());
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  bytes_transferred = asio::write(s, sb, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
 }
@@ -1106,7 +1397,7 @@ void test_4_arg_const_buffer_write()
   ASIO_CHECK(!error);
 
   s.reset();
-  bytes_transferred = asio::write(s, buffers, short_transfer, error);
+  bytes_transferred = asio::write(s, buffers, short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
   ASIO_CHECK(!error);
@@ -1114,7 +1405,7 @@ void test_4_arg_const_buffer_write()
   s.reset();
   s.next_write_length(1);
   error = asio::error_code();
-  bytes_transferred = asio::write(s, buffers, short_transfer, error);
+  bytes_transferred = asio::write(s, buffers, short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
   ASIO_CHECK(!error);
@@ -1122,7 +1413,7 @@ void test_4_arg_const_buffer_write()
   s.reset();
   s.next_write_length(10);
   error = asio::error_code();
-  bytes_transferred = asio::write(s, buffers, short_transfer, error);
+  bytes_transferred = asio::write(s, buffers, short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
   ASIO_CHECK(!error);
@@ -1343,7 +1634,7 @@ void test_4_arg_mutable_buffer_write()
   ASIO_CHECK(!error);
 
   s.reset();
-  bytes_transferred = asio::write(s, buffers, short_transfer, error);
+  bytes_transferred = asio::write(s, buffers, short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(mutable_write_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(mutable_write_data)));
   ASIO_CHECK(!error);
@@ -1351,7 +1642,7 @@ void test_4_arg_mutable_buffer_write()
   s.reset();
   s.next_write_length(1);
   error = asio::error_code();
-  bytes_transferred = asio::write(s, buffers, short_transfer, error);
+  bytes_transferred = asio::write(s, buffers, short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(mutable_write_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(mutable_write_data)));
   ASIO_CHECK(!error);
@@ -1359,7 +1650,7 @@ void test_4_arg_mutable_buffer_write()
   s.reset();
   s.next_write_length(10);
   error = asio::error_code();
-  bytes_transferred = asio::write(s, buffers, short_transfer, error);
+  bytes_transferred = asio::write(s, buffers, short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(mutable_write_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(mutable_write_data)));
   ASIO_CHECK(!error);
@@ -1582,7 +1873,7 @@ void test_4_arg_vector_buffers_write()
   ASIO_CHECK(!error);
 
   s.reset();
-  bytes_transferred = asio::write(s, buffers, short_transfer, error);
+  bytes_transferred = asio::write(s, buffers, short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
   ASIO_CHECK(!error);
@@ -1590,7 +1881,7 @@ void test_4_arg_vector_buffers_write()
   s.reset();
   s.next_write_length(1);
   error = asio::error_code();
-  bytes_transferred = asio::write(s, buffers, short_transfer, error);
+  bytes_transferred = asio::write(s, buffers, short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
   ASIO_CHECK(!error);
@@ -1598,7 +1889,275 @@ void test_4_arg_vector_buffers_write()
   s.reset();
   s.next_write_length(10);
   error = asio::error_code();
-  bytes_transferred = asio::write(s, buffers, short_transfer, error);
+  bytes_transferred = asio::write(s, buffers, short_transfer(), error);
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+  ASIO_CHECK(!error);
+}
+
+void test_4_arg_dynamic_string_write()
+{
+  asio::io_context ioc;
+  test_stream s(ioc);
+  std::string data;
+  asio::dynamic_string_buffer<char, std::string::traits_type,
+    std::string::allocator_type> sb
+      = asio::dynamic_buffer(data, sizeof(write_data));
+  asio::const_buffer buffers
+    = asio::buffer(write_data, sizeof(write_data));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  asio::error_code error;
+  size_t bytes_transferred = asio::write(s, sb,
+      asio::transfer_all(), error);
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  error = asio::error_code();
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_all(), error);
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  error = asio::error_code();
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_all(), error);
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  error = asio::error_code();
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_at_least(1), error);
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  error = asio::error_code();
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_at_least(1), error);
+  ASIO_CHECK(bytes_transferred == 1);
+  ASIO_CHECK(s.check_buffers(buffers, 1));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  error = asio::error_code();
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_at_least(1), error);
+  ASIO_CHECK(bytes_transferred == 10);
+  ASIO_CHECK(s.check_buffers(buffers, 10));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  error = asio::error_code();
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_at_least(10), error);
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  error = asio::error_code();
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_at_least(10), error);
+  ASIO_CHECK(bytes_transferred == 10);
+  ASIO_CHECK(s.check_buffers(buffers, 10));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  error = asio::error_code();
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_at_least(10), error);
+  ASIO_CHECK(bytes_transferred == 10);
+  ASIO_CHECK(s.check_buffers(buffers, 10));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  error = asio::error_code();
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_at_least(42), error);
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  error = asio::error_code();
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_at_least(42), error);
+  ASIO_CHECK(bytes_transferred == 42);
+  ASIO_CHECK(s.check_buffers(buffers, 42));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  error = asio::error_code();
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_at_least(42), error);
+  ASIO_CHECK(bytes_transferred == 50);
+  ASIO_CHECK(s.check_buffers(buffers, 50));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  error = asio::error_code();
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_exactly(1), error);
+  ASIO_CHECK(bytes_transferred == 1);
+  ASIO_CHECK(s.check_buffers(buffers, 1));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  error = asio::error_code();
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_exactly(1), error);
+  ASIO_CHECK(bytes_transferred == 1);
+  ASIO_CHECK(s.check_buffers(buffers, 1));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  error = asio::error_code();
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_exactly(1), error);
+  ASIO_CHECK(bytes_transferred == 1);
+  ASIO_CHECK(s.check_buffers(buffers, 1));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  error = asio::error_code();
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_exactly(10), error);
+  ASIO_CHECK(bytes_transferred == 10);
+  ASIO_CHECK(s.check_buffers(buffers, 10));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  error = asio::error_code();
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_exactly(10), error);
+  ASIO_CHECK(bytes_transferred == 10);
+  ASIO_CHECK(s.check_buffers(buffers, 10));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  error = asio::error_code();
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_exactly(10), error);
+  ASIO_CHECK(bytes_transferred == 10);
+  ASIO_CHECK(s.check_buffers(buffers, 10));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  error = asio::error_code();
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_exactly(42), error);
+  ASIO_CHECK(bytes_transferred == 42);
+  ASIO_CHECK(s.check_buffers(buffers, 42));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  error = asio::error_code();
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_exactly(42), error);
+  ASIO_CHECK(bytes_transferred == 42);
+  ASIO_CHECK(s.check_buffers(buffers, 42));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  error = asio::error_code();
+  bytes_transferred = asio::write(s, sb,
+      asio::transfer_exactly(42), error);
+  ASIO_CHECK(bytes_transferred == 42);
+  ASIO_CHECK(s.check_buffers(buffers, 42));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  bytes_transferred = asio::write(s, sb,
+      old_style_transfer_all, error);
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  error = asio::error_code();
+  bytes_transferred = asio::write(s, sb,
+      old_style_transfer_all, error);
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  error = asio::error_code();
+  bytes_transferred = asio::write(s, sb,
+      old_style_transfer_all, error);
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  bytes_transferred = asio::write(s, sb, short_transfer(), error);
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  error = asio::error_code();
+  bytes_transferred = asio::write(s, sb, short_transfer(), error);
+  ASIO_CHECK(bytes_transferred == sizeof(write_data));
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+  ASIO_CHECK(!error);
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  error = asio::error_code();
+  bytes_transferred = asio::write(s, sb, short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
   ASIO_CHECK(!error);
@@ -1895,8 +2454,72 @@ void test_3_arg_vector_buffers_async_write()
   ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
 }
 
+void test_3_arg_dynamic_string_async_write()
+{
+#if defined(ASIO_HAS_BOOST_BIND)
+  namespace bindns = boost;
+#else // defined(ASIO_HAS_BOOST_BIND)
+  namespace bindns = std;
+  using std::placeholders::_1;
+  using std::placeholders::_2;
+#endif // defined(ASIO_HAS_BOOST_BIND)
+
+  asio::io_context ioc;
+  test_stream s(ioc);
+  std::string data;
+  asio::dynamic_string_buffer<char, std::string::traits_type,
+    std::string::allocator_type> sb
+      = asio::dynamic_buffer(data, sizeof(write_data));
+  asio::const_buffer buffers
+    = asio::buffer(write_data, sizeof(write_data));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  bool called = false;
+  asio::async_write(s, sb,
+      bindns::bind(async_write_handler,
+        _1, _2, sizeof(write_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  called = false;
+  asio::async_write(s, sb,
+      bindns::bind(async_write_handler,
+        _1, _2, sizeof(write_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  called = false;
+  asio::async_write(s, sb,
+      bindns::bind(async_write_handler,
+        _1, _2, sizeof(write_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  int i = asio::async_write(s, sb, archetypes::lazy_handler());
+  ASIO_CHECK(i == 42);
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+}
+
 void test_3_arg_streambuf_async_write()
 {
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 #if defined(ASIO_HAS_BOOST_BIND)
   namespace bindns = boost;
 #else // defined(ASIO_HAS_BOOST_BIND)
@@ -1957,6 +2580,7 @@ void test_3_arg_streambuf_async_write()
   ioc.restart();
   ioc.run();
   ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 }
 
 void test_4_arg_const_buffer_async_write()
@@ -2232,7 +2856,7 @@ void test_4_arg_const_buffer_async_write()
 
   s.reset();
   called = false;
-  asio::async_write(s, buffers, short_transfer,
+  asio::async_write(s, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -2243,7 +2867,7 @@ void test_4_arg_const_buffer_async_write()
   s.reset();
   s.next_write_length(1);
   called = false;
-  asio::async_write(s, buffers, short_transfer,
+  asio::async_write(s, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -2254,7 +2878,7 @@ void test_4_arg_const_buffer_async_write()
   s.reset();
   s.next_write_length(10);
   called = false;
-  asio::async_write(s, buffers, short_transfer,
+  asio::async_write(s, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -2263,7 +2887,7 @@ void test_4_arg_const_buffer_async_write()
   ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
 
   s.reset();
-  int i = asio::async_write(s, buffers, short_transfer,
+  int i = asio::async_write(s, buffers, short_transfer(),
       archetypes::lazy_handler());
   ASIO_CHECK(i == 42);
   ioc.restart();
@@ -2544,7 +3168,7 @@ void test_4_arg_mutable_buffer_async_write()
 
   s.reset();
   called = false;
-  asio::async_write(s, buffers, short_transfer,
+  asio::async_write(s, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(mutable_write_data), &called));
   ioc.restart();
@@ -2555,7 +3179,7 @@ void test_4_arg_mutable_buffer_async_write()
   s.reset();
   s.next_write_length(1);
   called = false;
-  asio::async_write(s, buffers, short_transfer,
+  asio::async_write(s, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(mutable_write_data), &called));
   ioc.restart();
@@ -2566,7 +3190,7 @@ void test_4_arg_mutable_buffer_async_write()
   s.reset();
   s.next_write_length(10);
   called = false;
-  asio::async_write(s, buffers, short_transfer,
+  asio::async_write(s, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(mutable_write_data), &called));
   ioc.restart();
@@ -2575,7 +3199,7 @@ void test_4_arg_mutable_buffer_async_write()
   ASIO_CHECK(s.check_buffers(buffers, sizeof(mutable_write_data)));
 
   s.reset();
-  int i = asio::async_write(s, buffers, short_transfer,
+  int i = asio::async_write(s, buffers, short_transfer(),
       archetypes::lazy_handler());
   ASIO_CHECK(i == 42);
   ioc.restart();
@@ -2858,7 +3482,7 @@ void test_4_arg_boost_array_buffers_async_write()
 
   s.reset();
   called = false;
-  asio::async_write(s, buffers, short_transfer,
+  asio::async_write(s, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -2869,7 +3493,7 @@ void test_4_arg_boost_array_buffers_async_write()
   s.reset();
   s.next_write_length(1);
   called = false;
-  asio::async_write(s, buffers, short_transfer,
+  asio::async_write(s, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -2880,7 +3504,7 @@ void test_4_arg_boost_array_buffers_async_write()
   s.reset();
   s.next_write_length(10);
   called = false;
-  asio::async_write(s, buffers, short_transfer,
+  asio::async_write(s, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -2889,7 +3513,7 @@ void test_4_arg_boost_array_buffers_async_write()
   ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
 
   s.reset();
-  int i = asio::async_write(s, buffers, short_transfer,
+  int i = asio::async_write(s, buffers, short_transfer(),
       archetypes::lazy_handler());
   ASIO_CHECK(i == 42);
   ioc.restart();
@@ -3173,7 +3797,7 @@ void test_4_arg_std_array_buffers_async_write()
 
   s.reset();
   called = false;
-  asio::async_write(s, buffers, short_transfer,
+  asio::async_write(s, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -3184,7 +3808,7 @@ void test_4_arg_std_array_buffers_async_write()
   s.reset();
   s.next_write_length(1);
   called = false;
-  asio::async_write(s, buffers, short_transfer,
+  asio::async_write(s, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -3195,7 +3819,7 @@ void test_4_arg_std_array_buffers_async_write()
   s.reset();
   s.next_write_length(10);
   called = false;
-  asio::async_write(s, buffers, short_transfer,
+  asio::async_write(s, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -3204,7 +3828,7 @@ void test_4_arg_std_array_buffers_async_write()
   ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
 
   s.reset();
-  int i = asio::async_write(s, buffers, short_transfer,
+  int i = asio::async_write(s, buffers, short_transfer(),
       archetypes::lazy_handler());
   ASIO_CHECK(i == 42);
   ioc.restart();
@@ -3488,7 +4112,7 @@ void test_4_arg_vector_buffers_async_write()
 
   s.reset();
   called = false;
-  asio::async_write(s, buffers, short_transfer,
+  asio::async_write(s, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -3499,7 +4123,7 @@ void test_4_arg_vector_buffers_async_write()
   s.reset();
   s.next_write_length(1);
   called = false;
-  asio::async_write(s, buffers, short_transfer,
+  asio::async_write(s, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -3510,7 +4134,7 @@ void test_4_arg_vector_buffers_async_write()
   s.reset();
   s.next_write_length(10);
   called = false;
-  asio::async_write(s, buffers, short_transfer,
+  asio::async_write(s, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -3519,7 +4143,351 @@ void test_4_arg_vector_buffers_async_write()
   ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
 
   s.reset();
-  int i = asio::async_write(s, buffers, short_transfer,
+  int i = asio::async_write(s, buffers, short_transfer(),
+      archetypes::lazy_handler());
+  ASIO_CHECK(i == 42);
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+}
+
+void test_4_arg_dynamic_string_async_write()
+{
+#if defined(ASIO_HAS_BOOST_BIND)
+  namespace bindns = boost;
+#else // defined(ASIO_HAS_BOOST_BIND)
+  namespace bindns = std;
+  using std::placeholders::_1;
+  using std::placeholders::_2;
+#endif // defined(ASIO_HAS_BOOST_BIND)
+
+  asio::io_context ioc;
+  test_stream s(ioc);
+  std::string data;
+  asio::dynamic_string_buffer<char, std::string::traits_type,
+    std::string::allocator_type> sb
+      = asio::dynamic_buffer(data, sizeof(write_data));
+  asio::const_buffer buffers
+    = asio::buffer(write_data, sizeof(write_data));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  bool called = false;
+  asio::async_write(s, sb, asio::transfer_all(),
+      bindns::bind(async_write_handler,
+        _1, _2, sizeof(write_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  called = false;
+  asio::async_write(s, sb, asio::transfer_all(),
+      bindns::bind(async_write_handler,
+        _1, _2, sizeof(write_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  called = false;
+  asio::async_write(s, sb, asio::transfer_all(),
+      bindns::bind(async_write_handler,
+        _1, _2, sizeof(write_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  called = false;
+  asio::async_write(s, sb, asio::transfer_at_least(1),
+      bindns::bind(async_write_handler,
+        _1, _2, sizeof(write_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  called = false;
+  asio::async_write(s, sb, asio::transfer_at_least(1),
+      bindns::bind(async_write_handler,
+        _1, _2, 1, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, 1));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  called = false;
+  asio::async_write(s, sb, asio::transfer_at_least(1),
+      bindns::bind(async_write_handler,
+        _1, _2, 10, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, 10));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  called = false;
+  asio::async_write(s, sb, asio::transfer_at_least(10),
+      bindns::bind(async_write_handler,
+        _1, _2, sizeof(write_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  called = false;
+  asio::async_write(s, sb, asio::transfer_at_least(10),
+      bindns::bind(async_write_handler,
+        _1, _2, 10, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, 10));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  called = false;
+  asio::async_write(s, sb, asio::transfer_at_least(10),
+      bindns::bind(async_write_handler,
+        _1, _2, 10, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, 10));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  called = false;
+  asio::async_write(s, sb, asio::transfer_at_least(42),
+      bindns::bind(async_write_handler,
+        _1, _2, sizeof(write_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  called = false;
+  asio::async_write(s, sb, asio::transfer_at_least(42),
+      bindns::bind(async_write_handler,
+        _1, _2, 42, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, 42));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  called = false;
+  asio::async_write(s, sb, asio::transfer_at_least(42),
+      bindns::bind(async_write_handler,
+        _1, _2, 50, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, 50));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  called = false;
+  asio::async_write(s, sb, asio::transfer_exactly(1),
+      bindns::bind(async_write_handler,
+        _1, _2, 1, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, 1));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  called = false;
+  asio::async_write(s, sb, asio::transfer_exactly(1),
+      bindns::bind(async_write_handler,
+        _1, _2, 1, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, 1));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  called = false;
+  asio::async_write(s, sb, asio::transfer_exactly(1),
+      bindns::bind(async_write_handler,
+        _1, _2, 1, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, 1));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  called = false;
+  asio::async_write(s, sb, asio::transfer_exactly(10),
+      bindns::bind(async_write_handler,
+        _1, _2, 10, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, 10));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  called = false;
+  asio::async_write(s, sb, asio::transfer_exactly(10),
+      bindns::bind(async_write_handler,
+        _1, _2, 10, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, 10));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  called = false;
+  asio::async_write(s, sb, asio::transfer_exactly(10),
+      bindns::bind(async_write_handler,
+        _1, _2, 10, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, 10));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  called = false;
+  asio::async_write(s, sb, asio::transfer_exactly(42),
+      bindns::bind(async_write_handler,
+        _1, _2, 42, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, 42));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  called = false;
+  asio::async_write(s, sb, asio::transfer_exactly(42),
+      bindns::bind(async_write_handler,
+        _1, _2, 42, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, 42));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  called = false;
+  asio::async_write(s, sb, asio::transfer_exactly(42),
+      bindns::bind(async_write_handler,
+        _1, _2, 42, &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, 42));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  called = false;
+  asio::async_write(s, sb, old_style_transfer_all,
+      bindns::bind(async_write_handler,
+        _1, _2, sizeof(write_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  called = false;
+  asio::async_write(s, sb, old_style_transfer_all,
+      bindns::bind(async_write_handler,
+        _1, _2, sizeof(write_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  called = false;
+  asio::async_write(s, sb, old_style_transfer_all,
+      bindns::bind(async_write_handler,
+        _1, _2, sizeof(write_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  called = false;
+  asio::async_write(s, sb, short_transfer(),
+      bindns::bind(async_write_handler,
+        _1, _2, sizeof(write_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(1);
+  called = false;
+  asio::async_write(s, sb, short_transfer(),
+      bindns::bind(async_write_handler,
+        _1, _2, sizeof(write_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  s.next_write_length(10);
+  called = false;
+  asio::async_write(s, sb, short_transfer(),
+      bindns::bind(async_write_handler,
+        _1, _2, sizeof(write_data), &called));
+  ioc.restart();
+  ioc.run();
+  ASIO_CHECK(called);
+  ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+
+  s.reset();
+  data.assign(write_data, sizeof(write_data));
+  int i = asio::async_write(s, sb, short_transfer(),
       archetypes::lazy_handler());
   ASIO_CHECK(i == 42);
   ioc.restart();
@@ -3529,6 +4497,7 @@ void test_4_arg_vector_buffers_async_write()
 
 void test_4_arg_streambuf_async_write()
 {
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 #if defined(ASIO_HAS_BOOST_BIND)
   namespace bindns = boost;
 #else // defined(ASIO_HAS_BOOST_BIND)
@@ -3851,7 +4820,7 @@ void test_4_arg_streambuf_async_write()
   sb.consume(sb.size());
   sb.sputn(write_data, sizeof(write_data));
   called = false;
-  asio::async_write(s, sb, short_transfer,
+  asio::async_write(s, sb, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -3864,7 +4833,7 @@ void test_4_arg_streambuf_async_write()
   sb.sputn(write_data, sizeof(write_data));
   s.next_write_length(1);
   called = false;
-  asio::async_write(s, sb, short_transfer,
+  asio::async_write(s, sb, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -3877,7 +4846,7 @@ void test_4_arg_streambuf_async_write()
   sb.sputn(write_data, sizeof(write_data));
   s.next_write_length(10);
   called = false;
-  asio::async_write(s, sb, short_transfer,
+  asio::async_write(s, sb, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -3888,12 +4857,13 @@ void test_4_arg_streambuf_async_write()
   s.reset();
   sb.consume(sb.size());
   sb.sputn(write_data, sizeof(write_data));
-  int i = asio::async_write(s, sb, short_transfer,
+  int i = asio::async_write(s, sb, short_transfer(),
       archetypes::lazy_handler());
   ASIO_CHECK(i == 42);
   ioc.restart();
   ioc.run();
   ASIO_CHECK(s.check_buffers(buffers, sizeof(write_data)));
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 }
 
 ASIO_TEST_SUITE
@@ -3903,26 +4873,32 @@ ASIO_TEST_SUITE
   ASIO_TEST_CASE(test_2_arg_const_buffer_write)
   ASIO_TEST_CASE(test_2_arg_mutable_buffer_write)
   ASIO_TEST_CASE(test_2_arg_vector_buffers_write)
+  ASIO_TEST_CASE(test_2_arg_dynamic_string_write)
   ASIO_TEST_CASE(test_3_arg_nothrow_zero_buffers_write)
   ASIO_TEST_CASE(test_3_arg_nothrow_const_buffer_write)
   ASIO_TEST_CASE(test_3_arg_nothrow_mutable_buffer_write)
   ASIO_TEST_CASE(test_3_arg_nothrow_vector_buffers_write)
+  ASIO_TEST_CASE(test_3_arg_nothrow_dynamic_string_write)
   ASIO_TEST_CASE(test_3_arg_const_buffer_write)
   ASIO_TEST_CASE(test_3_arg_mutable_buffer_write)
   ASIO_TEST_CASE(test_3_arg_vector_buffers_write)
+  ASIO_TEST_CASE(test_3_arg_dynamic_string_write)
   ASIO_TEST_CASE(test_4_arg_const_buffer_write)
   ASIO_TEST_CASE(test_4_arg_mutable_buffer_write)
   ASIO_TEST_CASE(test_4_arg_vector_buffers_write)
+  ASIO_TEST_CASE(test_4_arg_dynamic_string_write)
   ASIO_TEST_CASE(test_3_arg_const_buffer_async_write)
   ASIO_TEST_CASE(test_3_arg_mutable_buffer_async_write)
   ASIO_TEST_CASE(test_3_arg_boost_array_buffers_async_write)
   ASIO_TEST_CASE(test_3_arg_std_array_buffers_async_write)
   ASIO_TEST_CASE(test_3_arg_vector_buffers_async_write)
+  ASIO_TEST_CASE(test_3_arg_dynamic_string_async_write)
   ASIO_TEST_CASE(test_3_arg_streambuf_async_write)
   ASIO_TEST_CASE(test_4_arg_const_buffer_async_write)
   ASIO_TEST_CASE(test_4_arg_mutable_buffer_async_write)
   ASIO_TEST_CASE(test_4_arg_boost_array_buffers_async_write)
   ASIO_TEST_CASE(test_4_arg_std_array_buffers_async_write)
   ASIO_TEST_CASE(test_4_arg_vector_buffers_async_write)
+  ASIO_TEST_CASE(test_4_arg_dynamic_string_async_write)
   ASIO_TEST_CASE(test_4_arg_streambuf_async_write)
 )
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/write_at.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/write_at.cpp
index 83ef8ce..e52de50 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/write_at.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/src/tests/unit/write_at.cpp
@@ -2,7 +2,7 @@
 // write_at.cpp
 // ~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -118,7 +118,7 @@ public:
 
   template <typename Const_Buffers, typename Handler>
   void async_write_some_at(asio::uint64_t offset,
-      const Const_Buffers& buffers, Handler handler)
+      const Const_Buffers& buffers, ASIO_MOVE_ARG(Handler) handler)
   {
     size_t bytes_transferred = write_some_at(offset, buffers);
     asio::post(get_executor(),
@@ -421,11 +421,20 @@ bool old_style_transfer_all(const asio::error_code& ec,
   return !!ec;
 }
 
-size_t short_transfer(const asio::error_code& ec,
-    size_t /*bytes_transferred*/)
+struct short_transfer
 {
-  return !!ec ? 0 : 3;
-}
+  short_transfer() {}
+#if defined(ASIO_HAS_MOVE)
+  short_transfer(short_transfer&&) {}
+#else // defined(ASIO_HAS_MOVE)
+  short_transfer(const short_transfer&) {}
+#endif // defined(ASIO_HAS_MOVE)
+  size_t operator()(const asio::error_code& ec,
+      size_t /*bytes_transferred*/)
+  {
+    return !!ec ? 0 : 3;
+  }
+};
 
 void test_4_arg_const_buffer_write_at()
 {
@@ -755,36 +764,36 @@ void test_4_arg_const_buffer_write_at()
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(write_data)));
 
   s.reset();
-  bytes_transferred = asio::write_at(s, 0, buffers, short_transfer);
+  bytes_transferred = asio::write_at(s, 0, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(write_data)));
 
   s.reset();
-  bytes_transferred = asio::write_at(s, 1234, buffers, short_transfer);
+  bytes_transferred = asio::write_at(s, 1234, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(write_data)));
 
   s.reset();
   s.next_write_length(1);
-  bytes_transferred = asio::write_at(s, 0, buffers, short_transfer);
+  bytes_transferred = asio::write_at(s, 0, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(write_data)));
 
   s.reset();
   s.next_write_length(1);
-  bytes_transferred = asio::write_at(s, 1234, buffers, short_transfer);
+  bytes_transferred = asio::write_at(s, 1234, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(write_data)));
 
   s.reset();
   s.next_write_length(10);
-  bytes_transferred = asio::write_at(s, 0, buffers, short_transfer);
+  bytes_transferred = asio::write_at(s, 0, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(write_data)));
 
   s.reset();
   s.next_write_length(10);
-  bytes_transferred = asio::write_at(s, 1234, buffers, short_transfer);
+  bytes_transferred = asio::write_at(s, 1234, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(write_data)));
 }
@@ -1117,36 +1126,36 @@ void test_4_arg_mutable_buffer_write_at()
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(mutable_write_data)));
 
   s.reset();
-  bytes_transferred = asio::write_at(s, 0, buffers, short_transfer);
+  bytes_transferred = asio::write_at(s, 0, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(mutable_write_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(mutable_write_data)));
 
   s.reset();
-  bytes_transferred = asio::write_at(s, 1234, buffers, short_transfer);
+  bytes_transferred = asio::write_at(s, 1234, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(mutable_write_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(mutable_write_data)));
 
   s.reset();
   s.next_write_length(1);
-  bytes_transferred = asio::write_at(s, 0, buffers, short_transfer);
+  bytes_transferred = asio::write_at(s, 0, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(mutable_write_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(mutable_write_data)));
 
   s.reset();
   s.next_write_length(1);
-  bytes_transferred = asio::write_at(s, 1234, buffers, short_transfer);
+  bytes_transferred = asio::write_at(s, 1234, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(mutable_write_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(mutable_write_data)));
 
   s.reset();
   s.next_write_length(10);
-  bytes_transferred = asio::write_at(s, 0, buffers, short_transfer);
+  bytes_transferred = asio::write_at(s, 0, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(mutable_write_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(mutable_write_data)));
 
   s.reset();
   s.next_write_length(10);
-  bytes_transferred = asio::write_at(s, 1234, buffers, short_transfer);
+  bytes_transferred = asio::write_at(s, 1234, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(mutable_write_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(mutable_write_data)));
 }
@@ -1480,36 +1489,36 @@ void test_4_arg_vector_buffers_write_at()
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(write_data)));
 
   s.reset();
-  bytes_transferred = asio::write_at(s, 0, buffers, short_transfer);
+  bytes_transferred = asio::write_at(s, 0, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(write_data)));
 
   s.reset();
-  bytes_transferred = asio::write_at(s, 1234, buffers, short_transfer);
+  bytes_transferred = asio::write_at(s, 1234, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(write_data)));
 
   s.reset();
   s.next_write_length(1);
-  bytes_transferred = asio::write_at(s, 0, buffers, short_transfer);
+  bytes_transferred = asio::write_at(s, 0, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(write_data)));
 
   s.reset();
   s.next_write_length(1);
-  bytes_transferred = asio::write_at(s, 1234, buffers, short_transfer);
+  bytes_transferred = asio::write_at(s, 1234, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(write_data)));
 
   s.reset();
   s.next_write_length(10);
-  bytes_transferred = asio::write_at(s, 0, buffers, short_transfer);
+  bytes_transferred = asio::write_at(s, 0, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(write_data)));
 
   s.reset();
   s.next_write_length(10);
-  bytes_transferred = asio::write_at(s, 1234, buffers, short_transfer);
+  bytes_transferred = asio::write_at(s, 1234, buffers, short_transfer());
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(write_data)));
 }
@@ -1936,14 +1945,14 @@ void test_5_arg_const_buffer_write_at()
 
   s.reset();
   bytes_transferred = asio::write_at(s, 0, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(write_data)));
   ASIO_CHECK(!error);
 
   s.reset();
   bytes_transferred = asio::write_at(s, 1234, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(write_data)));
   ASIO_CHECK(!error);
@@ -1952,7 +1961,7 @@ void test_5_arg_const_buffer_write_at()
   s.next_write_length(1);
   error = asio::error_code();
   bytes_transferred = asio::write_at(s, 0, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(write_data)));
   ASIO_CHECK(!error);
@@ -1961,7 +1970,7 @@ void test_5_arg_const_buffer_write_at()
   s.next_write_length(1);
   error = asio::error_code();
   bytes_transferred = asio::write_at(s, 1234, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(write_data)));
   ASIO_CHECK(!error);
@@ -1970,7 +1979,7 @@ void test_5_arg_const_buffer_write_at()
   s.next_write_length(10);
   error = asio::error_code();
   bytes_transferred = asio::write_at(s, 0, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(write_data)));
   ASIO_CHECK(!error);
@@ -1979,7 +1988,7 @@ void test_5_arg_const_buffer_write_at()
   s.next_write_length(10);
   error = asio::error_code();
   bytes_transferred = asio::write_at(s, 1234, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(write_data)));
   ASIO_CHECK(!error);
@@ -2407,14 +2416,14 @@ void test_5_arg_mutable_buffer_write_at()
 
   s.reset();
   bytes_transferred = asio::write_at(s, 0, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(mutable_write_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(mutable_write_data)));
   ASIO_CHECK(!error);
 
   s.reset();
   bytes_transferred = asio::write_at(s, 1234, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(mutable_write_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(mutable_write_data)));
   ASIO_CHECK(!error);
@@ -2423,7 +2432,7 @@ void test_5_arg_mutable_buffer_write_at()
   s.next_write_length(1);
   error = asio::error_code();
   bytes_transferred = asio::write_at(s, 0, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(mutable_write_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(mutable_write_data)));
   ASIO_CHECK(!error);
@@ -2432,7 +2441,7 @@ void test_5_arg_mutable_buffer_write_at()
   s.next_write_length(1);
   error = asio::error_code();
   bytes_transferred = asio::write_at(s, 1234, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(mutable_write_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(mutable_write_data)));
   ASIO_CHECK(!error);
@@ -2441,7 +2450,7 @@ void test_5_arg_mutable_buffer_write_at()
   s.next_write_length(10);
   error = asio::error_code();
   bytes_transferred = asio::write_at(s, 0, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(mutable_write_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(mutable_write_data)));
   ASIO_CHECK(!error);
@@ -2450,7 +2459,7 @@ void test_5_arg_mutable_buffer_write_at()
   s.next_write_length(10);
   error = asio::error_code();
   bytes_transferred = asio::write_at(s, 1234, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(mutable_write_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(mutable_write_data)));
   ASIO_CHECK(!error);
@@ -2879,14 +2888,14 @@ void test_5_arg_vector_buffers_write_at()
 
   s.reset();
   bytes_transferred = asio::write_at(s, 0, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(write_data)));
   ASIO_CHECK(!error);
 
   s.reset();
   bytes_transferred = asio::write_at(s, 1234, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(write_data)));
   ASIO_CHECK(!error);
@@ -2895,7 +2904,7 @@ void test_5_arg_vector_buffers_write_at()
   s.next_write_length(1);
   error = asio::error_code();
   bytes_transferred = asio::write_at(s, 0, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(write_data)));
   ASIO_CHECK(!error);
@@ -2904,7 +2913,7 @@ void test_5_arg_vector_buffers_write_at()
   s.next_write_length(1);
   error = asio::error_code();
   bytes_transferred = asio::write_at(s, 1234, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(write_data)));
   ASIO_CHECK(!error);
@@ -2913,7 +2922,7 @@ void test_5_arg_vector_buffers_write_at()
   s.next_write_length(10);
   error = asio::error_code();
   bytes_transferred = asio::write_at(s, 0, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(0, buffers, sizeof(write_data)));
   ASIO_CHECK(!error);
@@ -2922,7 +2931,7 @@ void test_5_arg_vector_buffers_write_at()
   s.next_write_length(10);
   error = asio::error_code();
   bytes_transferred = asio::write_at(s, 1234, buffers,
-      short_transfer, error);
+      short_transfer(), error);
   ASIO_CHECK(bytes_transferred == sizeof(write_data));
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(write_data)));
   ASIO_CHECK(!error);
@@ -4125,7 +4134,7 @@ void test_5_arg_const_buffer_async_write_at()
 
   s.reset();
   called = false;
-  asio::async_write_at(s, 0, buffers, short_transfer,
+  asio::async_write_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -4135,7 +4144,7 @@ void test_5_arg_const_buffer_async_write_at()
 
   s.reset();
   called = false;
-  asio::async_write_at(s, 1234, buffers, short_transfer,
+  asio::async_write_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -4146,7 +4155,7 @@ void test_5_arg_const_buffer_async_write_at()
   s.reset();
   s.next_write_length(1);
   called = false;
-  asio::async_write_at(s, 0, buffers, short_transfer,
+  asio::async_write_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -4157,7 +4166,7 @@ void test_5_arg_const_buffer_async_write_at()
   s.reset();
   s.next_write_length(1);
   called = false;
-  asio::async_write_at(s, 1234, buffers, short_transfer,
+  asio::async_write_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -4168,7 +4177,7 @@ void test_5_arg_const_buffer_async_write_at()
   s.reset();
   s.next_write_length(10);
   called = false;
-  asio::async_write_at(s, 0, buffers, short_transfer,
+  asio::async_write_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -4179,7 +4188,7 @@ void test_5_arg_const_buffer_async_write_at()
   s.reset();
   s.next_write_length(10);
   called = false;
-  asio::async_write_at(s, 1234, buffers, short_transfer,
+  asio::async_write_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -4188,7 +4197,7 @@ void test_5_arg_const_buffer_async_write_at()
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(write_data)));
 
   s.reset();
-  int i = asio::async_write_at(s, 0, buffers, short_transfer,
+  int i = asio::async_write_at(s, 0, buffers, short_transfer(),
       archetypes::lazy_handler());
   ASIO_CHECK(i == 42);
   ioc.restart();
@@ -4767,7 +4776,7 @@ void test_5_arg_mutable_buffer_async_write_at()
 
   s.reset();
   called = false;
-  asio::async_write_at(s, 0, buffers, short_transfer,
+  asio::async_write_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(mutable_write_data), &called));
   ioc.restart();
@@ -4777,7 +4786,7 @@ void test_5_arg_mutable_buffer_async_write_at()
 
   s.reset();
   called = false;
-  asio::async_write_at(s, 1234, buffers, short_transfer,
+  asio::async_write_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(mutable_write_data), &called));
   ioc.restart();
@@ -4788,7 +4797,7 @@ void test_5_arg_mutable_buffer_async_write_at()
   s.reset();
   s.next_write_length(1);
   called = false;
-  asio::async_write_at(s, 0, buffers, short_transfer,
+  asio::async_write_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(mutable_write_data), &called));
   ioc.restart();
@@ -4799,7 +4808,7 @@ void test_5_arg_mutable_buffer_async_write_at()
   s.reset();
   s.next_write_length(1);
   called = false;
-  asio::async_write_at(s, 1234, buffers, short_transfer,
+  asio::async_write_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(mutable_write_data), &called));
   ioc.restart();
@@ -4810,7 +4819,7 @@ void test_5_arg_mutable_buffer_async_write_at()
   s.reset();
   s.next_write_length(10);
   called = false;
-  asio::async_write_at(s, 0, buffers, short_transfer,
+  asio::async_write_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(mutable_write_data), &called));
   ioc.restart();
@@ -4821,7 +4830,7 @@ void test_5_arg_mutable_buffer_async_write_at()
   s.reset();
   s.next_write_length(10);
   called = false;
-  asio::async_write_at(s, 1234, buffers, short_transfer,
+  asio::async_write_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(mutable_write_data), &called));
   ioc.restart();
@@ -4830,7 +4839,7 @@ void test_5_arg_mutable_buffer_async_write_at()
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(mutable_write_data)));
 
   s.reset();
-  int i = asio::async_write_at(s, 0, buffers, short_transfer,
+  int i = asio::async_write_at(s, 0, buffers, short_transfer(),
       archetypes::lazy_handler());
   ASIO_CHECK(i == 42);
   ioc.restart();
@@ -5411,7 +5420,7 @@ void test_5_arg_boost_array_buffers_async_write_at()
 
   s.reset();
   called = false;
-  asio::async_write_at(s, 0, buffers, short_transfer,
+  asio::async_write_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -5421,7 +5430,7 @@ void test_5_arg_boost_array_buffers_async_write_at()
 
   s.reset();
   called = false;
-  asio::async_write_at(s, 1234, buffers, short_transfer,
+  asio::async_write_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -5432,7 +5441,7 @@ void test_5_arg_boost_array_buffers_async_write_at()
   s.reset();
   s.next_write_length(1);
   called = false;
-  asio::async_write_at(s, 0, buffers, short_transfer,
+  asio::async_write_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -5443,7 +5452,7 @@ void test_5_arg_boost_array_buffers_async_write_at()
   s.reset();
   s.next_write_length(1);
   called = false;
-  asio::async_write_at(s, 1234, buffers, short_transfer,
+  asio::async_write_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -5454,7 +5463,7 @@ void test_5_arg_boost_array_buffers_async_write_at()
   s.reset();
   s.next_write_length(10);
   called = false;
-  asio::async_write_at(s, 0, buffers, short_transfer,
+  asio::async_write_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -5465,7 +5474,7 @@ void test_5_arg_boost_array_buffers_async_write_at()
   s.reset();
   s.next_write_length(10);
   called = false;
-  asio::async_write_at(s, 1234, buffers, short_transfer,
+  asio::async_write_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -5474,7 +5483,7 @@ void test_5_arg_boost_array_buffers_async_write_at()
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(write_data)));
 
   s.reset();
-  int i = asio::async_write_at(s, 0, buffers, short_transfer,
+  int i = asio::async_write_at(s, 0, buffers, short_transfer(),
       archetypes::lazy_handler());
   ASIO_CHECK(i == 42);
   ioc.restart();
@@ -6056,7 +6065,7 @@ void test_5_arg_std_array_buffers_async_write_at()
 
   s.reset();
   called = false;
-  asio::async_write_at(s, 0, buffers, short_transfer,
+  asio::async_write_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -6066,7 +6075,7 @@ void test_5_arg_std_array_buffers_async_write_at()
 
   s.reset();
   called = false;
-  asio::async_write_at(s, 1234, buffers, short_transfer,
+  asio::async_write_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -6077,7 +6086,7 @@ void test_5_arg_std_array_buffers_async_write_at()
   s.reset();
   s.next_write_length(1);
   called = false;
-  asio::async_write_at(s, 0, buffers, short_transfer,
+  asio::async_write_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -6088,7 +6097,7 @@ void test_5_arg_std_array_buffers_async_write_at()
   s.reset();
   s.next_write_length(1);
   called = false;
-  asio::async_write_at(s, 1234, buffers, short_transfer,
+  asio::async_write_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -6099,7 +6108,7 @@ void test_5_arg_std_array_buffers_async_write_at()
   s.reset();
   s.next_write_length(10);
   called = false;
-  asio::async_write_at(s, 0, buffers, short_transfer,
+  asio::async_write_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -6110,7 +6119,7 @@ void test_5_arg_std_array_buffers_async_write_at()
   s.reset();
   s.next_write_length(10);
   called = false;
-  asio::async_write_at(s, 1234, buffers, short_transfer,
+  asio::async_write_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -6119,7 +6128,7 @@ void test_5_arg_std_array_buffers_async_write_at()
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(write_data)));
 
   s.reset();
-  int i = asio::async_write_at(s, 0, buffers, short_transfer,
+  int i = asio::async_write_at(s, 0, buffers, short_transfer(),
       archetypes::lazy_handler());
   ASIO_CHECK(i == 42);
   ioc.restart();
@@ -6700,7 +6709,7 @@ void test_5_arg_vector_buffers_async_write_at()
 
   s.reset();
   called = false;
-  asio::async_write_at(s, 0, buffers, short_transfer,
+  asio::async_write_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -6710,7 +6719,7 @@ void test_5_arg_vector_buffers_async_write_at()
 
   s.reset();
   called = false;
-  asio::async_write_at(s, 1234, buffers, short_transfer,
+  asio::async_write_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -6721,7 +6730,7 @@ void test_5_arg_vector_buffers_async_write_at()
   s.reset();
   s.next_write_length(1);
   called = false;
-  asio::async_write_at(s, 0, buffers, short_transfer,
+  asio::async_write_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -6732,7 +6741,7 @@ void test_5_arg_vector_buffers_async_write_at()
   s.reset();
   s.next_write_length(1);
   called = false;
-  asio::async_write_at(s, 1234, buffers, short_transfer,
+  asio::async_write_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -6743,7 +6752,7 @@ void test_5_arg_vector_buffers_async_write_at()
   s.reset();
   s.next_write_length(10);
   called = false;
-  asio::async_write_at(s, 0, buffers, short_transfer,
+  asio::async_write_at(s, 0, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -6754,7 +6763,7 @@ void test_5_arg_vector_buffers_async_write_at()
   s.reset();
   s.next_write_length(10);
   called = false;
-  asio::async_write_at(s, 1234, buffers, short_transfer,
+  asio::async_write_at(s, 1234, buffers, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -6763,7 +6772,7 @@ void test_5_arg_vector_buffers_async_write_at()
   ASIO_CHECK(s.check_buffers(1234, buffers, sizeof(write_data)));
 
   s.reset();
-  int i = asio::async_write_at(s, 0, buffers, short_transfer,
+  int i = asio::async_write_at(s, 0, buffers, short_transfer(),
       archetypes::lazy_handler());
   ASIO_CHECK(i == 42);
   ioc.restart();
@@ -7441,7 +7450,7 @@ void test_5_arg_streambuf_async_write_at()
   sb.consume(sb.size());
   sb.sputn(write_data, sizeof(write_data));
   called = false;
-  asio::async_write_at(s, 0, sb, short_transfer,
+  asio::async_write_at(s, 0, sb, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -7453,7 +7462,7 @@ void test_5_arg_streambuf_async_write_at()
   sb.consume(sb.size());
   sb.sputn(write_data, sizeof(write_data));
   called = false;
-  asio::async_write_at(s, 1234, sb, short_transfer,
+  asio::async_write_at(s, 1234, sb, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -7466,7 +7475,7 @@ void test_5_arg_streambuf_async_write_at()
   sb.sputn(write_data, sizeof(write_data));
   s.next_write_length(1);
   called = false;
-  asio::async_write_at(s, 0, sb, short_transfer,
+  asio::async_write_at(s, 0, sb, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -7479,7 +7488,7 @@ void test_5_arg_streambuf_async_write_at()
   sb.sputn(write_data, sizeof(write_data));
   s.next_write_length(1);
   called = false;
-  asio::async_write_at(s, 1234, sb, short_transfer,
+  asio::async_write_at(s, 1234, sb, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -7492,7 +7501,7 @@ void test_5_arg_streambuf_async_write_at()
   sb.sputn(write_data, sizeof(write_data));
   s.next_write_length(10);
   called = false;
-  asio::async_write_at(s, 0, sb, short_transfer,
+  asio::async_write_at(s, 0, sb, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -7505,7 +7514,7 @@ void test_5_arg_streambuf_async_write_at()
   sb.sputn(write_data, sizeof(write_data));
   s.next_write_length(10);
   called = false;
-  asio::async_write_at(s, 1234, sb, short_transfer,
+  asio::async_write_at(s, 1234, sb, short_transfer(),
       bindns::bind(async_write_handler,
         _1, _2, sizeof(write_data), &called));
   ioc.restart();
@@ -7516,7 +7525,7 @@ void test_5_arg_streambuf_async_write_at()
   s.reset();
   sb.consume(sb.size());
   sb.sputn(write_data, sizeof(write_data));
-  int i = asio::async_write_at(s, 0, sb, short_transfer,
+  int i = asio::async_write_at(s, 0, sb, short_transfer(),
       archetypes::lazy_handler());
   ASIO_CHECK(i == 42);
   ioc.restart();
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/tsify.pl b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/tsify.pl
index 47725b6..b871b91 100755
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/tsify.pl
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/tsify.pl
@@ -553,7 +553,7 @@ sub create_top_level_includes
     print($output "// experimental/$include\n");
     print($output "// " . '~' x length("experimental/" . $include) . "\n");
     print($output "//\n");
-    print($output "// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)\n");
+    print($output "// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)\n");
     print($output "//\n");
     print($output "// Distributed under the Boost Software License, Version 1.0. (See accompanying\n");
     print($output "// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)\n");
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/lz4/lib/ios/liblz4.a b/Sources/OpenVPNAdapter/Libraries/Vendors/lz4/lib/ios/liblz4.a
index af98018..b517416 100644
Binary files a/Sources/OpenVPNAdapter/Libraries/Vendors/lz4/lib/ios/liblz4.a and b/Sources/OpenVPNAdapter/Libraries/Vendors/lz4/lib/ios/liblz4.a differ
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/lz4/lib/sim/liblz4.a b/Sources/OpenVPNAdapter/Libraries/Vendors/lz4/lib/sim/liblz4.a
deleted file mode 100644
index f7b7522..0000000
Binary files a/Sources/OpenVPNAdapter/Libraries/Vendors/lz4/lib/sim/liblz4.a and /dev/null differ
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/mbedtls/lib/ios/libmbedcrypto.a b/Sources/OpenVPNAdapter/Libraries/Vendors/mbedtls/lib/ios/libmbedcrypto.a
index b786c4a..f7e9462 100644
Binary files a/Sources/OpenVPNAdapter/Libraries/Vendors/mbedtls/lib/ios/libmbedcrypto.a and b/Sources/OpenVPNAdapter/Libraries/Vendors/mbedtls/lib/ios/libmbedcrypto.a differ
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/mbedtls/lib/ios/libmbedtls.a b/Sources/OpenVPNAdapter/Libraries/Vendors/mbedtls/lib/ios/libmbedtls.a
index 60ad8f2..26303bf 100644
Binary files a/Sources/OpenVPNAdapter/Libraries/Vendors/mbedtls/lib/ios/libmbedtls.a and b/Sources/OpenVPNAdapter/Libraries/Vendors/mbedtls/lib/ios/libmbedtls.a differ
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/mbedtls/lib/ios/libmbedx509.a b/Sources/OpenVPNAdapter/Libraries/Vendors/mbedtls/lib/ios/libmbedx509.a
index 2cb06a8..91d45c7 100644
Binary files a/Sources/OpenVPNAdapter/Libraries/Vendors/mbedtls/lib/ios/libmbedx509.a and b/Sources/OpenVPNAdapter/Libraries/Vendors/mbedtls/lib/ios/libmbedx509.a differ
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/mbedtls/lib/sim/libmbedcrypto.a b/Sources/OpenVPNAdapter/Libraries/Vendors/mbedtls/lib/sim/libmbedcrypto.a
deleted file mode 100644
index c618591..0000000
Binary files a/Sources/OpenVPNAdapter/Libraries/Vendors/mbedtls/lib/sim/libmbedcrypto.a and /dev/null differ
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/mbedtls/lib/sim/libmbedtls.a b/Sources/OpenVPNAdapter/Libraries/Vendors/mbedtls/lib/sim/libmbedtls.a
deleted file mode 100644
index cdb69d8..0000000
Binary files a/Sources/OpenVPNAdapter/Libraries/Vendors/mbedtls/lib/sim/libmbedtls.a and /dev/null differ
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/mbedtls/lib/sim/libmbedx509.a b/Sources/OpenVPNAdapter/Libraries/Vendors/mbedtls/lib/sim/libmbedx509.a
deleted file mode 100644
index f6159f8..0000000
Binary files a/Sources/OpenVPNAdapter/Libraries/Vendors/mbedtls/lib/sim/libmbedx509.a and /dev/null differ
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/CMakeLists.txt b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/CMakeLists.txt
new file mode 100644
index 0000000..7c6bf76
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/CMakeLists.txt
@@ -0,0 +1,7 @@
+# Cmake in OpenVPN3 core is mainly used to get Clion editior support and to run unit tests. For normal
+# Build instructions see the README.rst
+
+cmake_minimum_required(VERSION 3.5)
+
+add_subdirectory(test/unittests)
+add_subdirectory(test/ovpncli)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/README.rst b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/README.rst
index 44550d4..c960dc2 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/README.rst
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/README.rst
@@ -169,7 +169,7 @@ Build test client::
 
   > c:\Temp\O3\core\win>set O3=C:\Temp\O3 && python build.py
 
-Visual Studio 2015 project and solution files are located in ``O3\core\win`` directory.
+Visual Studio 2017 project and solution files are located in ``O3\core\win`` directory.
 Before opening project you need to build dependencies and define OVPN3_ROOT
 environmental variable (``C:\Temp\O3`` from example above).
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/appveyor.yml b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/appveyor.yml
new file mode 100644
index 0000000..03de31a
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/appveyor.yml
@@ -0,0 +1,24 @@
+version: 1.0.{build}
+
+image: Visual Studio 2017
+
+clone_folder: c:\ovpn3\core
+
+install:
+- pip install rfc6266 requests
+
+environment:
+  MSVC_DIR: C:\Program Files (x86)\Microsoft Visual Studio\2017\Community
+  O3: C:\ovpn3
+  STATIC: 1
+
+before_build:
+- cmd: cd win && python buildep.py
+
+platform: x64
+
+configuration: Release
+
+artifacts:
+  - path: win\x64\Release\cli.exe
+
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/client/ovpncli.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/client/ovpncli.cpp
index 71182c9..8cc799d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/client/ovpncli.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/client/ovpncli.cpp
@@ -422,6 +422,7 @@ namespace openvpn {
 	IPv6Setting ipv6;
 	int conn_timeout = 0;
 	bool tun_persist = false;
+	bool wintun = false;
 	bool google_dns_fallback = false;
 	bool synchronous_dns_lookup = false;
 	bool autologin_sessions = false;
@@ -435,6 +436,7 @@ namespace openvpn {
 	std::string tls_version_min_override;
 	std::string tls_cert_profile_override;
 	std::string gui_version;
+	bool allow_local_lan_access;
 	ProtoContextOptions::Ptr proto_context_options;
 	PeerInfo::Set::Ptr extra_peer_info;
 	HTTPProxyTransport::Options::Ptr http_proxy_options;
@@ -665,6 +667,7 @@ namespace openvpn {
 	state->port_override = config.portOverride;
 	state->conn_timeout = config.connTimeout;
 	state->tun_persist = config.tunPersist;
+	state->wintun = config.wintun;
 	state->google_dns_fallback = config.googleDnsFallback;
 	state->synchronous_dns_lookup = config.synchronousDnsLookup;
 	state->autologin_sessions = config.autologinSessions;
@@ -684,6 +687,7 @@ namespace openvpn {
 	state->force_aes_cbc_ciphersuites = config.forceAesCbcCiphersuites;
 	state->tls_version_min_override = config.tlsVersionMinOverride;
 	state->tls_cert_profile_override = config.tlsCertProfileOverride;
+	state->allow_local_lan_access = config.allowLocalLanAccess;
 	state->gui_version = config.guiVersion;
 	state->alt_proxy = config.altProxy;
 	state->dco = config.dco;
@@ -936,6 +940,7 @@ namespace openvpn {
       cc.ipv6 = state->ipv6;
       cc.conn_timeout = state->conn_timeout;
       cc.tun_persist = state->tun_persist;
+      cc.wintun = state->wintun;
       cc.google_dns_fallback = state->google_dns_fallback;
       cc.synchronous_dns_lookup = state->synchronous_dns_lookup;
       cc.autologin_sessions = state->autologin_sessions;
@@ -959,6 +964,7 @@ namespace openvpn {
       cc.gui_version = state->gui_version;
       cc.extra_peer_info = state->extra_peer_info;
       cc.stop = state->async_stop_local();
+      cc.allow_local_lan_access = state->allow_local_lan_access;
 #ifdef OPENVPN_GREMLIN
       cc.gremlin_config = state->gremlin_config;
 #endif
@@ -1140,11 +1146,12 @@ namespace openvpn {
 	}
     }
 
-    OPENVPN_CLIENT_EXPORT bool OpenVPNClient::sign(const std::string& data, std::string& sig)
+    OPENVPN_CLIENT_EXPORT bool OpenVPNClient::sign(const std::string& data, std::string& sig, const std::string& algorithm)
     {
       ExternalPKISignRequest req;
       req.data = data;
       req.alias = state->external_pki_alias;
+      req.algorithm = algorithm;
       external_pki_sign_request(req); // call out to derived class for RSA signature
       if (!req.error)
 	{
@@ -1377,7 +1384,9 @@ namespace openvpn {
 #ifdef OPENVPN_GREMLIN
       ret += " GREMLIN";
 #endif
+#ifdef OPENVPN_DEBUG
       ret += " built on " __DATE__ " " __TIME__;
+#endif
       return ret;
     }
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/client/ovpncli.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/client/ovpncli.hpp
index 218cd45..a542a45 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/client/ovpncli.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/client/ovpncli.hpp
@@ -285,6 +285,10 @@ namespace openvpn {
       // pass through control channel INFO notifications via "INFO" event
       bool info = false;
 
+      // Allow access to local LAN. This is for platforms like
+      // Android that disable local LAN access by default.
+      bool allowLocalLanAccess = false;
+
       // Periodic convenience clock tick in milliseconds.
       // Will call clock_tick() at a frequency defined by this parameter.
       // Set to 0 to disable.
@@ -292,6 +296,9 @@ namespace openvpn {
 
       // Gremlin configuration (requires that the core is built with OPENVPN_GREMLIN)
       std::string gremlinConfig;
+
+      // Use wintun instead of tap-windows6 on Windows
+      bool wintun = false;
     };
 
     // used to communicate VPN events such as connect, disconnect, etc.
@@ -402,12 +409,16 @@ namespace openvpn {
     };
 
     // Used to request an RSA signature.
-    // Data will be prefixed by an optional PKCS#1 digest prefix
+    // algorithm will determinate what signature is expected:
+    // RSA_PKCS1_PADDING means that
+    // data will be prefixed by an optional PKCS#1 digest prefix
     // per RFC 3447.
+    // RSA_NO_PADDING mean so no padding should be done be the callee
     struct ExternalPKISignRequest : public ExternalPKIRequestBase
     {
       std::string data;  // data rendered as base64 (client reads)
       std::string sig;   // RSA signature, rendered as base64 (client writes)
+      std::string algorithm;
     };
 
     // used to override "remote" directives
@@ -600,7 +611,7 @@ namespace openvpn {
       void on_disconnect();
 
       // from ExternalPKIBase
-      virtual bool sign(const std::string& data, std::string& sig);
+      virtual bool sign(const std::string& data, std::string& sig, const std::string& algorithm);
 
       // disable copy and assignment
       OpenVPNClient(const OpenVPNClient&) = delete;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/cmake/CMakeLists.txt.in b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/cmake/CMakeLists.txt.in
new file mode 100644
index 0000000..03bf3ff
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/cmake/CMakeLists.txt.in
@@ -0,0 +1,15 @@
+cmake_minimum_required(VERSION 3.5)
+
+project(googletest-download NONE)
+
+include(ExternalProject)
+ExternalProject_Add(googletest
+        GIT_REPOSITORY    https://github.com/google/googletest.git
+        GIT_TAG           master
+        SOURCE_DIR        "${CMAKE_CURRENT_BINARY_DIR}/googletest-src"
+        BINARY_DIR        "${CMAKE_CURRENT_BINARY_DIR}/googletest-build"
+        CONFIGURE_COMMAND ""
+        BUILD_COMMAND     ""
+        INSTALL_COMMAND   ""
+        TEST_COMMAND      ""
+        )
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/cmake/FindLZ4.cmake b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/cmake/FindLZ4.cmake
new file mode 100644
index 0000000..761b275
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/cmake/FindLZ4.cmake
@@ -0,0 +1,9 @@
+find_path(LZ4_INCLUDE_DIR NAMES lz4.h)
+find_library(LZ4_LIBRARY NAMES lz4)
+
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(
+        LZ4 DEFAULT_MSG
+        LZ4_LIBRARY LZ4_INCLUDE_DIR)
+
+mark_as_advanced(LZ4_INCLUDE_DIR LZ4_LIBRARY)
\ No newline at end of file
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/cmake/FindmbedTLS.cmake b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/cmake/FindmbedTLS.cmake
new file mode 100644
index 0000000..a262eaf
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/cmake/FindmbedTLS.cmake
@@ -0,0 +1,63 @@
+# - Try to find mbedTLS
+# Once done this will define
+#
+# Read-Only variables
+#  MBEDTLS_FOUND - system has mbedTLS
+#  MBEDTLS_INCLUDE_DIR - the mbedTLS include directory
+#  MBEDTLS_LIBRARY_DIR - the mbedTLS library directory
+#  MBEDTLS_LIBRARIES - Link these to use mbedTLS
+#  MBEDTLS_LIBRARY - path to mbedTLS library
+#  MBEDX509_LIBRARY - path to mbedTLS X.509 library
+#  MBEDCRYPTO_LIBRARY - path to mbedTLS Crypto library
+
+FIND_PATH(MBEDTLS_INCLUDE_DIR mbedtls/version.h)
+
+IF(MBEDTLS_INCLUDE_DIR AND MBEDTLS_LIBRARIES)
+    # Already in cache, be silent
+    SET(MBEDTLS_FIND_QUIETLY TRUE)
+ENDIF()
+
+FIND_LIBRARY(MBEDTLS_LIBRARY NAMES mbedtls libmbedtls libmbedx509)
+FIND_LIBRARY(MBEDX509_LIBRARY NAMES mbedx509 libmbedx509)
+FIND_LIBRARY(MBEDCRYPTO_LIBRARY NAMES mbedcrypto libmbedcrypto)
+
+IF(MBEDTLS_INCLUDE_DIR AND MBEDTLS_LIBRARY AND MBEDX509_LIBRARY AND MBEDCRYPTO_LIBRARY)
+    SET(MBEDTLS_FOUND TRUE)
+ELSEIF(MBEDTLS_INCLUDE_DIR AND MBEDTLS_LIBRARY AND NOT MBEDX509_LIBRARY AND NOT MBEDCRYPTO_LIBRARY)
+    SET(MBEDTLS_FOUND TRUE)
+    SET(HACKY_OVPN_MBEDTLS TRUE)
+ENDIF()
+
+IF(MBEDTLS_FOUND)
+    IF(HACKY_OVPN_MBEDTLS)
+        SET(MBEDTLS_LIBRARIES ${MBEDTLS_LIBRARY})
+    ELSE()
+        SET(MBEDTLS_LIBRARIES ${MBEDTLS_LIBRARY} ${MBEDX509_LIBRARY} ${MBEDCRYPTO_LIBRARY})
+    endif()
+
+    IF(NOT MBEDTLS_FIND_QUIETLY)
+        MESSAGE(STATUS "Found mbedTLS:")
+        FILE(READ ${MBEDTLS_INCLUDE_DIR}/mbedtls/version.h MBEDTLSCONTENT)
+        STRING(REGEX MATCH "MBEDTLS_VERSION_STRING +\"[0-9|.]+\"" MBEDTLSMATCH ${MBEDTLSCONTENT})
+        IF (MBEDTLSMATCH)
+            STRING(REGEX REPLACE "MBEDTLS_VERSION_STRING +\"([0-9|.]+)\"" "\\1" MBEDTLS_VERSION ${MBEDTLSMATCH})
+            MESSAGE(STATUS "  version ${MBEDTLS_VERSION}")
+        ENDIF(MBEDTLSMATCH)
+        MESSAGE(STATUS "  TLS: ${MBEDTLS_LIBRARY}")
+        MESSAGE(STATUS "  X509: ${MBEDX509_LIBRARY}")
+        MESSAGE(STATUS "  Crypto: ${MBEDCRYPTO_LIBRARY}")
+    ENDIF(NOT MBEDTLS_FIND_QUIETLY)
+ELSE(MBEDTLS_FOUND)
+    IF(mbedTLS_FIND_REQUIRED)
+        MESSAGE(FATAL_ERROR "Could not find mbedTLS")
+    ENDIF(mbedTLS_FIND_REQUIRED)
+ENDIF(MBEDTLS_FOUND)
+
+MARK_AS_ADVANCED(
+        MBEDTLS_INCLUDE_DIR
+        MBEDTLS_LIBRARY_DIR
+        MBEDTLS_LIBRARIES
+        MBEDTLS_LIBRARY
+        MBEDX509_LIBRARY
+        MBEDCRYPTO_LIBRARY
+)
\ No newline at end of file
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/cmake/dlgoogletest.cmake b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/cmake/dlgoogletest.cmake
new file mode 100644
index 0000000..ebd1a88
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/cmake/dlgoogletest.cmake
@@ -0,0 +1,35 @@
+
+# Google Test Unit testing
+# Download and unpack googletest at configure time
+
+# Ensure that this only downloaded and added once
+#include_guard(GLOBAL)
+# Unfortunately include_guard requires cmake >= 3.10
+include(mypragmaonce)
+
+my_pragma_once()
+
+
+configure_file(${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt.in googletest-download/CMakeLists.txt)
+execute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
+        RESULT_VARIABLE result
+        WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/googletest-download )
+if(result)
+    message(FATAL_ERROR "CMake step for googletest failed: ${result}")
+endif()
+execute_process(COMMAND ${CMAKE_COMMAND} --build .
+        RESULT_VARIABLE result
+        WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/googletest-download )
+if(result)
+    message(FATAL_ERROR "Build step for googletest failed: ${result}")
+endif()
+
+# Prevent overriding the parent project's compiler/linker
+# settings on Windows
+set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+
+# Add googletest directly to our build. This defines
+# the gtest and gtest_main targets.
+add_subdirectory(${CMAKE_CURRENT_BINARY_DIR}/googletest-src
+        ${CMAKE_CURRENT_BINARY_DIR}/googletest-build
+        EXCLUDE_FROM_ALL)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/cmake/findcoredeps.cmake b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/cmake/findcoredeps.cmake
new file mode 100644
index 0000000..1961d76
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/cmake/findcoredeps.cmake
@@ -0,0 +1,107 @@
+cmake_minimum_required(VERSION 3.5)
+
+set(CMAKE_CXX_STANDARD 14)
+
+#cmake_policy(SET CMP0079 NEW)
+
+set(CORE_DIR ${CMAKE_CURRENT_LIST_DIR}/..)
+
+
+set(DEP_DIR ${CORE_DIR}/../deps CACHE PATH "Dependencies")
+option(USE_MBEDTLS "Use mbed TLS instead of OpenSSL")
+
+if (DEFINED ENV{DEP_DIR})
+    message(WARNING "Overriding DEP_DIR setting with environment variable")
+    set(DEP_DIR $ENV{DEP_DIR})
+endif ()
+
+# Include our DEP_DIR in path used to find libraries
+
+
+function(add_core_dependencies target)
+    if (APPLE)
+        set(PLAT osx)
+    elseif (WIN32)
+        set(PLAT amd64)
+    else ()
+        set(PLAT linux)
+    endif ()
+
+    set(CORE_INCLUDES
+            ${CORE_DIR}
+            ${DEP_DIR}/asio/asio/include
+            )
+    set(CORE_DEFINES
+            -DASIO_STANDALONE
+            -DUSE_ASIO
+            -DHAVE_LZ4
+            -DLZ4_DISABLE_DEPRECATE_WARNINGS
+            -DMBEDTLS_DEPRECATED_REMOVED
+            )
+
+    if (WIN32)
+        list(APPEND CMAKE_PREFIX_PATH
+                ${DEP_DIR}/${PLAT}/mbedtls
+                ${DEP_DIR}/${PLAT}/lz4/lib
+                )
+        list(APPEND CMAKE_LIBRARY_PATH
+                ${DEP_DIR}/${PLAT}/mbedtls/library
+                )
+        list(APPEND CORE_INCLUDES
+                ${DEP_DIR}/${PLAT}/asio/asio/include
+                ${DEP_DIR}/${PLAT}/lz4/lz4/include
+                ${DEP_DIR}/${PLAT}/tap-windows/src
+                )
+        list(APPEND CORE_DEFINES
+                -D_WIN32_WINNT=0x0600
+                -DTAP_WIN_COMPONENT_ID=tap0901
+                -D_CRT_SECURE_NO_WARNINGS
+                )
+        set(EXTRA_LIBS fwpuclnt.lib Iphlpapi.lib)
+        target_compile_options(${target} PRIVATE "/bigobj")
+    else ()
+        list(APPEND CMAKE_PREFIX_PATH
+                ${DEP_DIR}/mbedtls/mbedtls-${PLAT}
+                ${DEP_DIR}/lz4/lz4-${PLAT}
+                )
+        list(APPEND CMAKE_LIBRARY_PATH
+                ${DEP_DIR}/mbedtls/mbedtls-${PLAT}/library
+                )
+    endif ()
+
+
+    if (${USE_MBEDTLS})
+        find_package(mbedTLS REQUIRED)
+
+        set(SSL_LIBRARY ${MBEDTLS_LIBRARIES})
+
+        list(APPEND CORE_DEFINES -DUSE_MBEDTLS)
+
+        # The findmbedTLS does not set these automatically :(
+        list(APPEND CORE_INCLUDES ${MBEDTLS_INCLUDE_DIR})
+
+    else ()
+        find_package(OpenSSL REQUIRED)
+        SET(SSL_LIBRARY OpenSSL::SSL)
+        list(APPEND CORE_DEFINES -DUSE_OPENSSL)
+    endif ()
+
+    if (APPLE)
+        find_library(coreFoundation CoreFoundation)
+        find_library(iokit IOKit)
+        find_library(coreServices CoreServices)
+        find_library(systemConfiguration SystemConfiguration)
+        target_link_libraries(${target} ${coreFoundation} ${iokit} ${coreServices} ${systemConfiguration} ${lz4} ${SSL_LIBRARY})
+    endif()
+
+    if(UNIX)
+        target_link_libraries(${target} pthread)
+    endif()
+
+    find_package(LZ4 REQUIRED)
+    list(APPEND CORE_INCLUDES ${LZ4_INCLUDE_DIR})
+
+    target_include_directories(${target} PRIVATE ${CORE_INCLUDES})
+    target_compile_definitions(${target} PRIVATE ${CORE_DEFINES})
+    target_link_libraries(${target} ${SSL_LIBRARY} ${EXTRA_LIBS} ${LZ4_LIBRARY})
+endfunction()
\ No newline at end of file
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/cmake/mypragmaonce.cmake b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/cmake/mypragmaonce.cmake
new file mode 100644
index 0000000..bcc5469
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/cmake/mypragmaonce.cmake
@@ -0,0 +1,8 @@
+macro(my_pragma_once)
+    set(__filename "${CMAKE_CURRENT_LIST_FILE}")
+    get_property(already_included GLOBAL PROPERTY "pr_${__filename}")
+    if(already_included)
+        return()
+    endif()
+    set_property(GLOBAL PROPERTY "pr_${__filename}" TRUE)
+endmacro()
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/deps/asio/patches/0001-Added-Apple-NAT64-support-when-both-ASIO_HAS_GETADDR.patch b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/deps/asio/patches/0001-Added-Apple-NAT64-support-when-both-ASIO_HAS_GETADDR.patch
index 0bf2eb6..becea4e 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/deps/asio/patches/0001-Added-Apple-NAT64-support-when-both-ASIO_HAS_GETADDR.patch
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/deps/asio/patches/0001-Added-Apple-NAT64-support-when-both-ASIO_HAS_GETADDR.patch
@@ -1,4 +1,4 @@
-From 28cdfe3f923affa87420a47f8ac71e791c77bcde Mon Sep 17 00:00:00 2001
+From 00c0b1b7076ebc24735071f587f9501c1595a02b Mon Sep 17 00:00:00 2001
 From: James Yonan <james@openvpn.net>
 Date: Mon, 19 Mar 2018 11:24:10 +0800
 Subject: [PATCH] Added Apple NAT64 support when both ASIO_HAS_GETADDRINFO and
@@ -16,10 +16,10 @@ Subject: [PATCH] Added Apple NAT64 support when both ASIO_HAS_GETADDRINFO and
  1 file changed, 17 insertions(+)
 
 diff --git a/asio/include/asio/detail/impl/socket_ops.ipp b/asio/include/asio/detail/impl/socket_ops.ipp
-index b3b1a0cf..e1a07e06 100644
+index ad203b74..b17a60ed 100644
 --- a/asio/include/asio/detail/impl/socket_ops.ipp
 +++ b/asio/include/asio/detail/impl/socket_ops.ipp
-@@ -3338,6 +3338,23 @@ asio::error_code getaddrinfo(const char* host,
+@@ -3339,6 +3339,23 @@ asio::error_code getaddrinfo(const char* host,
  # endif
  #elif !defined(ASIO_HAS_GETADDRINFO)
    int error = getaddrinfo_emulation(host, service, &hints, result);
@@ -44,5 +44,5 @@ index b3b1a0cf..e1a07e06 100644
  #else
    int error = ::getaddrinfo(host, service, &hints, result);
 -- 
-2.16.2
+2.21.0
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/deps/asio/patches/0002-Added-randomize-method-to-asio-ip-tcp-resolver-resul.patch b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/deps/asio/patches/0002-Added-randomize-method-to-asio-ip-tcp-resolver-resul.patch
index 22bdac1..18ae1f7 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/deps/asio/patches/0002-Added-randomize-method-to-asio-ip-tcp-resolver-resul.patch
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/deps/asio/patches/0002-Added-randomize-method-to-asio-ip-tcp-resolver-resul.patch
@@ -1,4 +1,4 @@
-From c6cb856ac923472e56d8dd631585b4ca58e71c31 Mon Sep 17 00:00:00 2001
+From fe57c9127cfc95b4673c6530f86edab5e6538425 Mon Sep 17 00:00:00 2001
 From: James Yonan <james@openvpn.net>
 Date: Wed, 2 Sep 2015 12:18:48 -0700
 Subject: [PATCH] Added randomize() method to
@@ -9,7 +9,7 @@ Subject: [PATCH] Added randomize() method to
  1 file changed, 7 insertions(+)
 
 diff --git a/asio/include/asio/ip/basic_resolver_results.hpp b/asio/include/asio/ip/basic_resolver_results.hpp
-index 4146a46b..f0ae258c 100644
+index 3b3fad49..c070f7da 100644
 --- a/asio/include/asio/ip/basic_resolver_results.hpp
 +++ b/asio/include/asio/ip/basic_resolver_results.hpp
 @@ -18,6 +18,7 @@
@@ -34,5 +34,5 @@ index 4146a46b..f0ae258c 100644
    typedef std::vector<basic_resolver_entry<InternetProtocol> > values_type;
  };
 -- 
-2.16.2
+2.21.0
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/deps/asio/patches/0003-Added-user-code-hook-async_connect_post_open-to-be-c.patch b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/deps/asio/patches/0003-Added-user-code-hook-async_connect_post_open-to-be-c.patch
index a9ad6c3..de2a100 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/deps/asio/patches/0003-Added-user-code-hook-async_connect_post_open-to-be-c.patch
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/deps/asio/patches/0003-Added-user-code-hook-async_connect_post_open-to-be-c.patch
@@ -1,4 +1,4 @@
-From 69a6d6aec54b41f4ceac3ac2ba14465a36bf1984 Mon Sep 17 00:00:00 2001
+From 80485636d5140c4b45679a4664eb7fe9e09f574f Mon Sep 17 00:00:00 2001
 From: James Yonan <james@openvpn.net>
 Date: Mon, 27 Feb 2017 13:01:26 -0700
 Subject: [PATCH] Added user code hook async_connect_post_open() to be called
@@ -9,20 +9,20 @@ Subject: [PATCH] Added user code hook async_connect_post_open() to be called
  1 file changed, 7 insertions(+)
 
 diff --git a/asio/include/asio/basic_socket.hpp b/asio/include/asio/basic_socket.hpp
-index 43430161..0d1b0d28 100644
+index 42efbda4..4da85eb6 100644
 --- a/asio/include/asio/basic_socket.hpp
 +++ b/asio/include/asio/basic_socket.hpp
-@@ -865,6 +865,8 @@ public:
-       asio::error_code ec;
+@@ -950,6 +950,8 @@ public:
+     {
        const protocol_type protocol = peer_endpoint.protocol();
-       this->get_service().open(this->get_implementation(), protocol, ec);
-+      if (!ec)
-+	async_connect_post_open(protocol, ec);
-       if (ec)
-       {
-         async_completion<ConnectHandler,
-@@ -1741,6 +1743,11 @@ protected:
-   }
+       impl_.get_service().open(impl_.get_implementation(), protocol, open_ec);
++      if (!open_ec)
++          async_connect_post_open(protocol, open_ec);
+     }
+ 
+     return async_initiate<ConnectHandler, void (asio::error_code)>(
+@@ -1800,6 +1802,11 @@ protected:
+ #endif
  
  private:
 +  // optional user code hook immediately after socket open in async_connect
@@ -34,5 +34,5 @@ index 43430161..0d1b0d28 100644
    basic_socket(const basic_socket&) ASIO_DELETED;
    basic_socket& operator=(const basic_socket&) ASIO_DELETED;
 -- 
-2.16.2
+2.21.0
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/deps/asio/patches/0004-error_code.ipp-Use-English-for-Windows-error-message.patch b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/deps/asio/patches/0004-error_code.ipp-Use-English-for-Windows-error-message.patch
new file mode 100644
index 0000000..81693de
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/deps/asio/patches/0004-error_code.ipp-Use-English-for-Windows-error-message.patch
@@ -0,0 +1,29 @@
+From af733fe9ce8345e06947dcf8b395d4736b1cb98c Mon Sep 17 00:00:00 2001
+From: Lev Stipakov <lev@openvpn.net>
+Date: Mon, 29 Apr 2019 10:26:13 +0300
+Subject: [PATCH] error_code.ipp: Use English for Windows error messages
+
+FormatMessageA doesn't work well with non-ASCII chars
+so make it return error message in English.
+
+Signed-off-by: Lev Stipakov <lev@openvpn.net>
+---
+ asio/include/asio/impl/error_code.ipp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/asio/include/asio/impl/error_code.ipp b/asio/include/asio/impl/error_code.ipp
+index 55f5b361..3ef34fcd 100644
+--- a/asio/include/asio/impl/error_code.ipp
++++ b/asio/include/asio/impl/error_code.ipp
+@@ -80,7 +80,7 @@ public:
+     DWORD length = ::FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER
+         | FORMAT_MESSAGE_FROM_SYSTEM
+         | FORMAT_MESSAGE_IGNORE_INSERTS, 0, value,
+-        MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (char*)&msg, 0, 0);
++        MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), (char*)&msg, 0, 0);
+     detail::local_free_on_block_exit local_free_obj(msg);
+     if (length && msg[length - 1] == '\n')
+       msg[--length] = '\0';
+-- 
+2.16.2.windows.1
+
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/deps/lib-versions b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/deps/lib-versions
index 90a5c26..6747668 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/deps/lib-versions
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/deps/lib-versions
@@ -1,5 +1,5 @@
-export ASIO_VERSION=asio-1-12-0
-export ASIO_CSUM=fa8c3a16dc2163f5b3451f2a14ce95277c971f46700497d4e94af6059c00dc06
+export ASIO_VERSION=asio-1-13-0
+export ASIO_CSUM=54a1208d20f2104dbd6b7a04a9262f5ab649f4b7a9faf7eac4c2294e9e104c06
 
 export LZ4_VERSION=lz4-1.8.3
 export LZ4_CSUM=33af5936ac06536805f9745e0b6d61da606a1f8b4cc5c04dd3cbaca3b9b4fc43
@@ -7,8 +7,6 @@ export LZ4_CSUM=33af5936ac06536805f9745e0b6d61da606a1f8b4cc5c04dd3cbaca3b9b4fc43
 export MBEDTLS_VERSION=mbedtls-2.7.5
 export MBEDTLS_CSUM=a1302ad9094aabb9880d2755927b466a6bac8e02b68e04dee77321f3859e9b40
 
-export OPENSSL_VERSION=openssl-1.0.2h
-
 export JSONCPP_VERSION=1.8.4
 export JSONCPP_CSUM=c49deac9e0933bcb7044f08516861a2d560988540b23de2ac1ad443b219afdb6
 
@@ -16,4 +14,11 @@ export TAP_VERSION=0e30f5c13b3c7b0bdd60da915350f653e4c14d92
 export TAP_CSUM=8ff65f9e741c5ecfe1af904eaa38713f05639ce9457ef92041fd8e6b2a170315
 
 export CITYHASH_VERSION=8af9b8c2b889d80c22d6bc26ba0df1afb79a30db
-export CITYHASH_CSUM=f70368facd15735dffc77fe2b27ab505bfdd05be5e9166d94149a8744c212f49
\ No newline at end of file
+export CITYHASH_CSUM=f70368facd15735dffc77fe2b27ab505bfdd05be5e9166d94149a8744c212f49
+
+export LZO_VERSION=lzo-2.10
+export LZO_CSUM=c0f892943208266f9b6543b3ae308fab6284c5c90e627931446fb49b4221a072
+
+export OPENSSL_VERSION=openssl-1.0.2s
+export OPENSSL_CSUM=cabd5c9492825ce5bd23f3c3aeed6a97f8142f606d893df216411f07d1abab96
+
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/deps/lzo/build-lzo b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/deps/lzo/build-lzo
index faa5729..df96fb7 100755
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/deps/lzo/build-lzo
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/deps/lzo/build-lzo
@@ -5,6 +5,10 @@ if [ -z "$O3" ]; then
     echo O3 var must point to ovpn3 tree
     exit 1
 fi
+if [ -z "$DEP_DIR" ]; then
+    echo DEP_DIR var must point to dependency build folder
+    exit 1
+fi
 if [ -z "$TARGET" ]; then
     echo TARGET var must be defined
     exit 1
@@ -16,10 +20,24 @@ fi
 . $O3/core/vars/vars-${TARGET}
 . $O3/core/deps/lib-versions
 
-[ "$GCC_CMD" ] && export CC=$GCC_CMD
-[ "$LD_CMD" ] && export LD=$LD_CMD
-[ "$AR_CMD" ] && export AR=$AR_CMD
-[ "$RANLIB_CMD" ] && export RANLIB=$RANLIB_CMD
+# source helper functions
+. $O3/core/deps/functions.sh
+
+FNAME=${LZO_VERSION}.tar.gz
+PN=${LZO_VERSION#*-}
+URL=http://www.oberhumer.com/opensource/lzo/download/${LZO_VERSION}.tar.gz
+CSUM=${LZO_CSUM}
+
+download
+
+CC=cc
+LD=ld
+AR=ar
+RANLIB=ranlib
+[ "$GCC_CMD" ] && CC=$GCC_CMD
+[ "$LD_CMD" ] && LD=$LD_CMD
+[ "$AR_CMD" ] && AR=$AR_CMD
+[ "$RANLIB_CMD" ] && RANLIB=$RANLIB_CMD
 
 case $PLATFORM in
 android*)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/javacli/ovpncli.i b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/javacli/ovpncli.i
index 97c0e38..0671a6d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/javacli/ovpncli.i
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/javacli/ovpncli.i
@@ -44,6 +44,7 @@
 namespace std {
   %template(ClientAPI_ServerEntryVector) vector<openvpn::ClientAPI::ServerEntry>;
   %template(ClientAPI_LLVector) vector<long long>;
+  %template(ClientAPI_StringVec) vector<string>;
 };
 
 // interface to be bridged between C++ and target language
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/addr/routeinv.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/addr/addrspacesplit.hpp
similarity index 65%
rename from Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/addr/routeinv.hpp
rename to Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/addr/addrspacesplit.hpp
index 5c4c66f..8edfa2b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/addr/routeinv.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/addr/addrspacesplit.hpp
@@ -22,36 +22,35 @@
 // Invert a route list.  Used to support excluded routes on platforms that
 // don't support them natively.
 
-#ifndef OPENVPN_ADDR_ROUTEINV_H
-#define OPENVPN_ADDR_ROUTEINV_H
+#pragma once
 
 #include <openvpn/common/exception.hpp>
 #include <openvpn/addr/route.hpp>
 
 namespace openvpn {
   namespace IP {
-    class RouteInverter : public RouteList
+    class AddressSpaceSplitter : public RouteList
     {
     public:
-      OPENVPN_EXCEPTION(route_inverter);
+      OPENVPN_EXCEPTION(address_space_splitter);
 
-      RouteInverter() {}
+      AddressSpaceSplitter() {}
 
-      // NOTE: when passing RouteInverter to this constructor, make sure
+      // NOTE: when passing AddressSpaceSplitter to this constructor, make sure
       // to static_cast it to RouteList& so as to avoid matching the
       // default copy constructor.
-      explicit RouteInverter(const RouteList& in)
-	: RouteInverter(in, in.version_mask())
+      explicit AddressSpaceSplitter(const RouteList& in)
+	: AddressSpaceSplitter(in, in.version_mask())
       {
       }
 
-      RouteInverter(const RouteList& in, const Addr::VersionMask vermask)
+      AddressSpaceSplitter(const RouteList& in, const Addr::VersionMask vermask)
       {
 	in.verify_canonical();
 	if (vermask & Addr::V4_MASK)
-	  descend(in, Addr::V4, Route(Addr::from_zero(Addr::V4), 0));
+	  descend(in, Route(Addr::from_zero(Addr::V4), 0));
 	if (vermask & Addr::V6_MASK)
-	  descend(in, Addr::V6, Route(Addr::from_zero(Addr::V6), 0));
+	  descend(in, Route(Addr::from_zero(Addr::V6), 0));
       }
 
     private:
@@ -60,8 +59,16 @@ namespace openvpn {
 	SUBROUTE,
 	LEAF,
       };
-
-      void descend(const RouteList& in, const Addr::Version ver, const Route& route)
+      /**
+       * This method construct a non-overlapping list of routes spanning the address
+       * space in @param route.  The routes are constructed in a way that each
+       * route in the returned list is smaller or equalto each route in
+       * parameter @param in
+       *
+       * @param route The route we currently are looking at and split if it does
+       *	      not meet the requirements
+       */
+      void descend(const RouteList& in, const Route& route)
       {
 	switch (find(in, route))
 	  {
@@ -70,18 +77,17 @@ namespace openvpn {
 	      Route r1, r2;
 	      if (route.split(r1, r2))
 		{
-		  descend(in, ver, r1);
-		  descend(in, ver, r2);
+		  descend(in, r1);
+		  descend(in, r2);
 		}
 	      else
 		push_back(route);
 	      break;
 	    }
+	  case EQUAL:
 	  case LEAF:
 	    push_back(route);
 	    break;
-	  case EQUAL:
-	    break;
 	  }
       }
 
@@ -92,14 +98,12 @@ namespace openvpn {
 	  {
 	    const Route& r = *i;
 	    if (route == r)
-	      return EQUAL;
+	      type = EQUAL;
 	    else if (route.contains(r))
-	      type = SUBROUTE;
+	      return SUBROUTE;
 	  }
 	return type;
       }
     };
   }
 }
-
-#endif
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/auth/authcert.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/auth/authcert.hpp
index 8e70979..702f601 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/auth/authcert.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/auth/authcert.hpp
@@ -148,6 +148,11 @@ namespace openvpn {
 	return !cn.empty();
       }
 
+      bool is_uninitialized() const
+      {
+	return cn.empty() && sn < 0 && !fail;
+      }
+
       template <typename T>
       T issuer_fp_prefix() const
       {
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/async_resolve/asio.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/async_resolve/asio.hpp
index 967ffb3..d521642 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/async_resolve/asio.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/async_resolve/asio.hpp
@@ -32,13 +32,11 @@
 
 namespace openvpn {
   template<typename RESOLVER_TYPE>
-  class AsyncResolvable: public virtual RC<thread_unsafe_refcount>
+  class AsyncResolvable
   {
   private:
     typedef RCPtr<AsyncResolvable> Ptr;
 
-    openvpn_io::io_context& io_context;
-
     class ResolveThread : public RC<thread_safe_refcount>
     {
       friend class AsyncResolvable<RESOLVER_TYPE>;
@@ -46,45 +44,82 @@ namespace openvpn {
     private:
       typedef RCPtr<ResolveThread> Ptr;
 
-      std::unique_ptr<AsioWork> asio_work;
       openvpn_io::io_context& io_context;
-      AsyncResolvable<RESOLVER_TYPE> *resolvable;
+      AsyncResolvable<RESOLVER_TYPE> *parent;
+      std::atomic<bool> detached{false};
 
       ResolveThread(openvpn_io::io_context &io_context_arg,
-		    AsyncResolvable<RESOLVER_TYPE> *resolvable_arg,
+		    AsyncResolvable<RESOLVER_TYPE> *parent_arg,
 		    const std::string& host, const std::string& port)
-	: asio_work(new AsioWork(io_context_arg)),
-	  io_context(io_context_arg),
-	  resolvable(resolvable_arg)
+	: io_context(io_context_arg),
+	  parent(parent_arg)
       {
-	std::thread resolve_thread([self=Ptr(this), host, port]() {
-	    openvpn_io::io_context io_context(1);
-	    openvpn_io::error_code error;
-	    RESOLVER_TYPE resolver(io_context);
-	    typename RESOLVER_TYPE::results_type results;
-	    results = resolver.resolve(host, port, error);
+	std::thread t([self=Ptr(this), host, port]()
+	{
+	  openvpn_io::io_context io_context(1);
+	  openvpn_io::error_code error;
+	  RESOLVER_TYPE resolver(io_context);
+	  typename RESOLVER_TYPE::results_type results;
 
-	    openvpn_io::post(self->io_context, [self, results, error]() {
-	      OPENVPN_ASYNC_HANDLER;
-	      self->resolvable->resolve_callback(error, results);
-	    });
-
-	    // the AsioWork can be released now that we have posted
-	    // something else to the main io_context queue
-	    self->asio_work.reset();
-	  });
+	  results = resolver.resolve(host, port, error);
+	  if (!self->is_detached())
+	  {
+	    self->post_callback(results, error);
+	  }
+	});
 	// detach the thread so that the client won't need to wait for
 	// it to join.
-        resolve_thread.detach();
+        t.detach();
+      }
+
+      void detach()
+      {
+	detached.store(true, std::memory_order_relaxed);
+	parent = nullptr;
+      }
+
+      bool is_detached() const
+      {
+	return detached.load(std::memory_order_relaxed);
+      }
+
+      void post_callback(typename RESOLVER_TYPE::results_type results,
+			 openvpn_io::error_code error)
+      {
+	openvpn_io::post(io_context, [self=Ptr(this), results, error]()
+	{
+	  auto parent = self->parent;
+	  if (!self->is_detached() && parent)
+	  {
+	    self->detach();
+	    OPENVPN_ASYNC_HANDLER;
+	    parent->resolve_callback(error, results);
+	  }
+	});
       }
     };
 
+    openvpn_io::io_context& io_context;
+    std::unique_ptr<AsioWork> asio_work;
+    typename ResolveThread::Ptr resolve_thread;
+
   public:
     AsyncResolvable(openvpn_io::io_context& io_context_arg)
       : io_context(io_context_arg)
     {
     }
 
+    virtual ~AsyncResolvable()
+    {
+      if (resolve_thread)
+      {
+	resolve_thread->detach();
+	resolve_thread.reset();
+      }
+
+      async_resolve_cancel();
+    }
+
     virtual void resolve_callback(const openvpn_io::error_code& error,
 				  typename RESOLVER_TYPE::results_type results) = 0;
 
@@ -103,17 +138,24 @@ namespace openvpn {
     // by ASIO would not be feasible as it is not exposed.
     void async_resolve_name(const std::string& host, const std::string& port)
     {
-      // there might be nothing else in the main io_context queue
-      // right now, therefore we use AsioWork to prevent the loop
-      // from exiting while we perform the DNS resolution in the
-      // detached thread.
-      typename ResolveThread::Ptr t(new ResolveThread(io_context, this, host, port));
+      resolve_thread.reset(new ResolveThread(io_context, this, host, port));
     }
 
-    // The core assumes the existence of this method because it is used on
-    // other platforms (i.e. iOS), therefore we must declare it, even if no-op
+    // there might be nothing else in the main io_context queue
+    // right now, therefore we use AsioWork to prevent the loop
+    // from exiting while we perform the DNS resolution in the
+    // detached thread.
+    void async_resolve_lock()
+    {
+      asio_work.reset(new AsioWork(io_context));
+    }
+
+    // to be called by the child class when the core wants to stop
+    // and we don't need to wait for the detached thread any longer.
+    // It simulates a resolve abort
     void async_resolve_cancel()
     {
+      asio_work.reset();
     }
   };
 }
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/async_resolve/generic.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/async_resolve/generic.hpp
index 77274ee..d41d8aa 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/async_resolve/generic.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/async_resolve/generic.hpp
@@ -64,6 +64,11 @@ namespace openvpn {
 	});
     }
 
+    // no-op: needed to provide the same class signature of the ASIO version
+    void async_resolve_lock()
+    {
+    }
+
     void async_resolve_cancel()
     {
       resolver.cancel();
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/clicreds.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/clicreds.hpp
index 4a65ab0..2a19d00 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/clicreds.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/clicreds.hpp
@@ -142,12 +142,14 @@ namespace openvpn {
       return did_replace_password_with_session_id;
     }
 
+    // If we have a saved password that is not a session ID,
+    // restore it and wipe any existing session ID.
     bool can_retry_auth_with_cached_password()
     {
       if (password_save_defined)
 	{
 	  password = password_save;
-	  password_save = "";
+	  password_save.clear();
 	  password_save_defined = false;
 	  did_replace_password_with_session_id = false;
 	  return true;
@@ -156,6 +158,15 @@ namespace openvpn {
 	return false;
     }
 
+    void purge_session_id()
+    {
+      if (!can_retry_auth_with_cached_password())
+	{
+	  password.clear();
+	  did_replace_password_with_session_id = false;
+	}
+    }
+
     std::string auth_info() const
     {
       std::string ret;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/cliemuexr.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/cliemuexr.hpp
index ad68d63..6f47acd 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/cliemuexr.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/cliemuexr.hpp
@@ -26,7 +26,7 @@
 
 #include <openvpn/common/exception.hpp>
 #include <openvpn/tun/client/emuexr.hpp>
-#include <openvpn/addr/routeinv.hpp>
+#include <openvpn/addr/addrspacesplit.hpp>
 
 namespace openvpn {
   class EmulateExcludeRouteImpl : public EmulateExcludeRoute
@@ -36,48 +36,119 @@ namespace openvpn {
 
     typedef RCPtr<EmulateExcludeRouteImpl> Ptr;
 
-    EmulateExcludeRouteImpl(const bool exclude_server_address)
+    explicit EmulateExcludeRouteImpl(const bool exclude_server_address)
       : exclude_server_address_(exclude_server_address)
     {
     }
 
   private:
-    virtual void add_route(const bool add, const IP::Addr& addr, const int prefix_len)
+    void add_route(const bool add, const IP::Addr& addr, const int prefix_len) override
     {
       (add ? include : exclude).emplace_back(addr, prefix_len);
     }
 
-    virtual bool enabled(const IPVerFlags& ipv) const
+    void add_default_routes(bool ipv4, bool ipv6) override
+    {
+      if (ipv4)
+	add_route(true, IP::Addr::from_zero(IP::Addr::V4), 0);
+      if (ipv6)
+	add_route(true, IP::Addr::from_zero(IP::Addr::V6), 0);
+    }
+
+    bool enabled(const IPVerFlags& ipv) const override
     {
       return exclude.size() && (ipv.rgv4() || ipv.rgv6());
     }
 
-    virtual void emulate(TunBuilderBase* tb, IPVerFlags& ipv, const IP::Addr& server_addr) const
+    void emulate(TunBuilderBase* tb, IPVerFlags& ipv, const IP::Addr& server_addr) const override
     {
-      const unsigned int rg_ver_flags = ipv.rg_ver_flags();
-      if (exclude.size() && rg_ver_flags)
+      const unsigned int ip_ver_flags = ipv.ip_ver_flags();
+      IP::RouteList rl, tempExcludeList;
+      rl.reserve(include.size() + exclude.size());
+      rl.insert(rl.end(), include.begin(), include.end());
+      rl.insert(rl.end(), exclude.begin(), exclude.end());
+
+      // Check if we have to exclude the server, if yes we temporarily add it to the list
+      // of excluded networks as small individual /32 or /128 network
+      const IP::RouteList* excludedRoutes = &exclude;
+
+      if (exclude_server_address_ && (server_addr.version_mask() & ip_ver_flags) &&
+	  !exclude.contains(IP::Route(server_addr, server_addr.size())))
 	{
-	  IP::RouteList rl;
-	  rl.reserve(include.size() + exclude.size());
-	  rl.insert(rl.end(), include.begin(), include.end());
-	  rl.insert(rl.end(), exclude.begin(), exclude.end());
-
-	  if (exclude_server_address_ && (server_addr.version_mask() & rg_ver_flags))
-	    rl.emplace_back(server_addr, server_addr.size());
-
-	  const IP::RouteInverter ri(rl, rg_ver_flags);
-	  OPENVPN_LOG("Exclude routes emulation:\n" << ri);
-	  for (IP::RouteInverter::const_iterator i = ri.begin(); i != ri.end(); ++i)
-	    {
-	      const IP::Route& r = *i;
-	      if (!tb->tun_builder_add_route(r.addr.to_string(), r.prefix_len, -1, r.addr.version() == IP::Addr::V6))
-		throw emulate_exclude_route_error("tun_builder_add_route failed");
-	    }
-
-	  ipv.set_emulate_exclude_routes();
+	  rl.emplace_back(server_addr, server_addr.size());
+	  // Create a temporary list that includes all the routes + the server
+	  tempExcludeList = exclude;
+	  tempExcludeList.emplace_back(server_addr, server_addr.size());
+	  excludedRoutes = &tempExcludeList;
 	}
+
+
+      if (excludedRoutes->empty())
+      {
+	// Samsung's Android VPN API does different things if you have
+	// 0.0.0.0/0 in the list of installed routes
+	// (even if 0.0.0.0/1 and 128.0.0.0/1 and are present it behaves different)
+
+	// We normally always split the address space, breaking a 0.0.0.0/0 into
+	// smaller routes. If no routes are excluded, we install the original
+	// routes without modifying them
+
+	for (const auto& rt: include)
+	  {
+	    if (rt.version() & ip_ver_flags)
+	      {
+		if (!tb->tun_builder_add_route(rt.addr.to_string(), rt.prefix_len, -1, rt.addr.version() == IP::Addr::V6))
+		  throw emulate_exclude_route_error("tun_builder_add_route failed");
+	       }
+	  }
+	return;
+      }
+
+      // Complete address space (0.0.0.0/0 or ::/0) split into smaller networks
+      // Figure out which parts of this non overlapping address we want to install
+      for (const auto& r: IP::AddressSpaceSplitter(rl, ip_ver_flags))
+	{
+	  if (check_route_should_be_installed(r, *excludedRoutes))
+	    if (!tb->tun_builder_add_route(r.addr.to_string(), r.prefix_len, -1, r.addr.version() == IP::Addr::V6))
+	      throw emulate_exclude_route_error("tun_builder_add_route failed");
+	}
+
+      ipv.set_emulate_exclude_routes();
     }
 
+    bool check_route_should_be_installed(const IP::Route& r, const IP::RouteList & excludedRoutes) const
+      {
+	// The whole address space was partioned into NON-overlapping routes that
+	// we get one by one with the parameter r.
+	// Therefore we already know that the whole route r either is included or
+	// excluded IPs.
+	// Figure out if this particular route should be installed or not
+
+	IP::Route const* bestroute = nullptr;
+	// Get the best (longest-prefix/smallest) route from included routes that completely
+	// matches this route
+	for (const auto& incRoute: include)
+	{
+	  if (incRoute.contains(r))
+	    {
+	      if (!bestroute || bestroute->prefix_len < incRoute.prefix_len)
+		bestroute = &incRoute;
+	    }
+	}
+
+	// No positive route matches the route at all, do not install it
+	if (!bestroute)
+	  return false;
+
+	// Check if there is a more specific exclude route
+	for (const auto& exclRoute: excludedRoutes)
+	  {
+	    if (exclRoute.contains(r) && exclRoute.prefix_len > bestroute->prefix_len)
+	      return false;
+	  }
+	return true;
+      }
+
     const bool exclude_server_address_;
     IP::RouteList include;
     IP::RouteList exclude;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/cliopt.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/cliopt.hpp
index e399df3..955b839 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/cliopt.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/cliopt.hpp
@@ -134,6 +134,7 @@ namespace openvpn {
       bool echo = false;
       bool info = false;
       bool tun_persist = false;
+      bool wintun = false;
       bool google_dns_fallback = false;
       bool synchronous_dns_lookup = false;
       std::string private_key_password;
@@ -143,6 +144,7 @@ namespace openvpn {
       bool force_aes_cbc_ciphersuites = false;
       bool autologin_sessions = false;
       bool retry_on_auth_failed = false;
+      bool allow_local_lan_access = false;
       std::string tls_version_min_override;
       std::string tls_cert_profile_override;
       PeerInfo::Set::Ptr extra_peer_info;
@@ -347,6 +349,7 @@ namespace openvpn {
 	    tunconf->builder = config.builder;
 	    tunconf->tun_prop.session_name = session_name;
 	    tunconf->tun_prop.google_dns_fallback = config.google_dns_fallback;
+	    tunconf->tun_prop.allow_local_lan_access = config.allow_local_lan_access;
 	    if (tun_mtu)
 	      tunconf->tun_prop.mtu = tun_mtu;
 	    tunconf->frame = frame;
@@ -362,6 +365,9 @@ namespace openvpn {
 #if defined(OPENVPN_PLATFORM_ANDROID)
 	    // Android VPN API doesn't support excluded routes, so we must emulate them
 	    tunconf->eer_factory.reset(new EmulateExcludeRouteFactoryImpl(false));
+#endif
+#if defined(OPENVPN_PLATFORM_MAC)
+	    tunconf->tun_prefix = true;
 #endif
 	    if (config.tun_persist)
 	      tunconf->tun_persist.reset(new TunBuilderClient::TunPersist(true, tunconf->retain_sd, config.builder));
@@ -418,6 +424,7 @@ namespace openvpn {
 	    tunconf->frame = frame;
 	    tunconf->stats = cli_stats;
 	    tunconf->stop = config.stop;
+	    tunconf->wintun = config.wintun;
 	    if (config.tun_persist)
 	    {
 	      tunconf->tun_persist.reset(new TunWin::TunPersist(true, false, nullptr));
@@ -440,8 +447,9 @@ namespace openvpn {
 #endif
 	}
 
-      // verify that tun implementation can handle OSI layer declared by config
-      if (layer == Layer(Layer::OSI_LAYER_2) && !tun_factory->layer_2_supported())
+      // The Core Library itself does not handle TAP/OSI_LAYER_2 currently,
+      // so we bail out early whenever someone tries to use TAP configurations
+      if (layer == Layer(Layer::OSI_LAYER_2))
 	throw ErrorCode(Error::TAP_NOT_SUPPORTED, true, "OSI layer 2 tunnels are not currently supported");
 
       // server-poll-timeout
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/cliproto.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/cliproto.hpp
index e7b2f5f..3694fa8 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/cliproto.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/cliproto.hpp
@@ -424,11 +424,6 @@ namespace openvpn {
 	Base::disable_keepalive(keepalive_ping, keepalive_timeout);
       }
 
-      virtual void ip_hole_punch(const IP::Addr& addr)
-      {
-	tun_factory->ip_hole_punch(addr);
-      }
-
       virtual void transport_pre_resolve()
       {
 	ClientEvent::Base::Ptr ev = new ClientEvent::Resolve();
@@ -1007,7 +1002,7 @@ namespace openvpn {
       void process_halt_restart(const ClientHalt& ch)
       {
 	if (!ch.psid() && creds)
-	  creds->can_retry_auth_with_cached_password(); // purge session ID
+	  creds->purge_session_id();
 	if (ch.restart())
 	  fatal_ = Error::CLIENT_RESTART;
 	else
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/remotelist.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/remotelist.hpp
index 83d07f0..f9b3dca 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/remotelist.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/client/remotelist.hpp
@@ -304,6 +304,7 @@ namespace openvpn {
 		notify_callback = notify_callback_arg;
 		remote_list->index.reset();
 		index = 0;
+		async_resolve_lock();
 		next();
 	      }
 	    else
@@ -350,6 +351,7 @@ namespace openvpn {
 	// resolve unless doing so would result in an empty list.
 	// Then call client's callback method.
 	{
+	  async_resolve_cancel();
 	  NotifyCallback* ncb = notify_callback;
 	  if (remote_list->cached_item_exists())
 	    remote_list->prune_uncached();
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/base64.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/base64.hpp
index ddaa50a..85b02d7 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/base64.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/base64.hpp
@@ -35,10 +35,10 @@ namespace openvpn {
 
   class Base64 {
 
-    class UCharWrap
+    class ConstUCharWrap
     {
     public:
-      UCharWrap(const unsigned char *data, size_t size)
+      ConstUCharWrap(const unsigned char *data, size_t size)
 	: data_(data),
 	  size_(size)
       {}
@@ -46,11 +46,38 @@ namespace openvpn {
       size_t size() const { return size_; }
       unsigned char operator[](const size_t i) const { return data_[i]; }
 
+
     private:
       const unsigned char *data_;
       size_t size_;
     };
 
+    public:
+      OPENVPN_SIMPLE_EXCEPTION(base64_decode_out_of_bound_error);
+
+    private:
+      // Minimal class to minic the container our decode method expects
+      class UCharWrap
+      {
+      public:
+	UCharWrap(unsigned char *data, size_t size):
+	  data(data), size(size), index(0)
+	{
+	}
+
+	void push_back(unsigned char c)
+	{
+	  if (index >= size)
+	    throw base64_decode_out_of_bound_error();
+
+	  data[index++]=c;
+	}
+
+	unsigned char *data;
+	size_t size;
+	size_t index;
+      };
+
   public:
     OPENVPN_SIMPLE_EXCEPTION(base64_bad_map);
     OPENVPN_SIMPLE_EXCEPTION(base64_decode_error);
@@ -75,9 +102,9 @@ namespace openvpn {
 	  altmap = "+/=";
 	if (std::strlen(altmap) != 3)
 	  throw base64_bad_map();
-	enc[62] = altmap[0];
-	enc[63] = altmap[1];
-	equal = altmap[2];
+	enc[62] = (unsigned char)altmap[0];
+	enc[63] = (unsigned char)altmap[1];
+	equal = (unsigned char)altmap[2];
       }
 
       // build decoding map
@@ -88,7 +115,7 @@ namespace openvpn {
 	    const unsigned char c = enc[i];
 	    if (c >= 128)
 	      throw base64_bad_map();
-	    dec[c] = i;
+	    dec[c] = (unsigned char)i;
 	  }
       }
     }
@@ -139,7 +166,22 @@ namespace openvpn {
 
     std::string encode(const void *data, size_t size) const
     {
-      return encode(UCharWrap((const unsigned char *)data, size));
+      return encode(ConstUCharWrap((const unsigned char *)data, size));
+    }
+
+    /**
+     * Decodes data from the passed string and stores the
+     * result in data
+     * @param data 	Destination of the decoded data
+     * @param len	Length of the region in data
+     * @param str	Base64 string to decode
+     * @return 		Number of bytes written to data
+     */
+    size_t decode(void *data, size_t len, const std::string& str) const
+    {
+      UCharWrap ret((unsigned char*)data, len);
+      decode(ret, str);
+      return ret.index;
     }
 
     std::string decode(const std::string& str) const
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/memneq.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/memneq.hpp
index 4223289..cd5b695 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/memneq.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/memneq.hpp
@@ -19,11 +19,15 @@
 //    along with this program in the COPYING file.
 //    If not, see <http://www.gnu.org/licenses/>.
 
-#ifndef OPENVPN_COMMON_MEMNEQ_H
-#define OPENVPN_COMMON_MEMNEQ_H
+#pragma once
 
 #include <openvpn/common/arch.hpp>
 #include <openvpn/common/size.hpp>
+#include <atomic>
+
+#if defined(USE_OPENSSL)
+#include <openssl/crypto.h>
+#endif
 
 // Does this architecture allow efficient unaligned access?
 
@@ -60,7 +64,47 @@ extern "C" void _ReadWriteBarrier();
 
 namespace openvpn {
   namespace crypto {
+    // Clang on Android armeabi-v7a seems to have a compiler bug that compiles
+    // the  function in a segfaulting variant, use an alternative variant of
+    // the function on all 32 bit arm to be safe
 
+
+    /**
+     * memneq - Compare two areas of memory in constant time
+     *
+     * @a: first area of memory
+     * @b: second area of memory
+     * @size: The length of the memory area to compare
+     *
+     * Returns false when data is equal, true otherwise
+     */
+    inline bool memneq(const void *a, const void *b, size_t size);
+
+#if defined(__arm__) && defined(USE_OPENSSL) && !defined(__aarch64__)
+    inline bool memneq(const void *a, const void *b, size_t size)
+    {
+      // memcmp does return 0 (=false) when the memory is equal. It normally
+      // returns the position of first mismatch otherwise but the crypto
+      // variants only promise to return something != 0 (=true)
+      return (bool)(CRYPTO_memcmp(a, b, size));
+    }
+#elif defined(__arm__) && !defined(__aarch64__)
+    inline bool memneq(const void *a, const void *b, size_t size)
+    {
+      // This is inspired by  mbedtls' internal safer_memcmp function:
+      const unsigned char *x = (const unsigned char *) a;
+      const unsigned char *y = (const unsigned char *) b;
+      unsigned char diff = 0;
+
+      for(size_t i = 0; i < size; i++ )
+	{
+	  unsigned char u = x[i], v = y[i];
+	  diff |= u ^ v;
+	}
+      atomic_thread_fence(std::memory_order_release);
+      return bool(diff);
+    }
+#else
 #ifdef OPENVPN_HAVE_EFFICIENT_UNALIGNED_ACCESS
     enum { memneq_unaligned_ok = 1 };
     typedef size_t memneq_t;
@@ -110,7 +154,6 @@ namespace openvpn {
       OPENVPN_COMPILER_FENCE
       return bool(neq);
     }
+#endif
   }
 }
-
-#endif
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/msfind.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/msfind.hpp
new file mode 100644
index 0000000..b348301
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/msfind.hpp
@@ -0,0 +1,60 @@
+//    OpenVPN -- An application to securely tunnel IP networks
+//               over a single port, with support for SSL/TLS-based
+//               session authentication and key exchange,
+//               packet encryption, packet authentication, and
+//               packet compression.
+//
+//    Copyright (C) 2012-2019 OpenVPN Inc.
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Affero General Public License Version 3
+//    as published by the Free Software Foundation.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Affero General Public License for more details.
+//
+//    You should have received a copy of the GNU Affero General Public License
+//    along with this program in the COPYING file.
+//    If not, see <http://www.gnu.org/licenses/>.
+
+
+// map/set find
+
+#pragma once
+
+#include <utility>
+
+namespace openvpn {
+  namespace MSF {
+
+    template <typename MAP_SET, typename ITERATOR>
+    class Iter : public ITERATOR
+    {
+    public:
+      Iter(const MAP_SET& ms, ITERATOR&& iter)
+	: ITERATOR(std::move(iter)),
+	  exists_(*this != ms.end())
+      {
+      }
+
+      explicit operator bool() const
+      {
+	return exists_;
+      }
+
+    private:
+      bool exists_;
+    };
+
+    // Like ordinary map/set find, but returns an iterator
+    // that defines an operator bool() method for testing if
+    // the iterator is defined, i.e. iter != map_or_set.end()
+    template <typename MAP_SET, typename KEY>
+    inline auto find(MAP_SET& ms, const KEY& k)
+    {
+      return Iter<MAP_SET, decltype(ms.find(k))>(ms, ms.find(k));
+    }
+  }
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/options.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/options.hpp
index cbb07e2..25c1480 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/options.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/options.hpp
@@ -214,14 +214,15 @@ namespace openvpn {
     template <typename T>
     T get_num(const size_t idx) const
     {
-      T n;
+      typedef typename std::remove_const<T>::type T_nonconst;
+      T_nonconst n;
       const std::string& numstr = get(idx, 64);
       if (numstr.length() >= 2 && numstr[0] == '0' && numstr[1] == 'x')
 	{
 	  if (!parse_hex_number(numstr.substr(2), n))
 	    OPENVPN_THROW(option_error, err_ref() << '[' << idx << "] expecting a hex number");
 	}
-      else if (!parse_number<T>(numstr, n))
+      else if (!parse_number<T_nonconst>(numstr, n))
 	OPENVPN_THROW(option_error, err_ref() << '[' << idx << "] must be a number");
       return n;
     }
@@ -240,7 +241,16 @@ namespace openvpn {
     {
       const T ret = get_num<T>(idx, default_value);
       if (ret != default_value && (ret < min_value || ret > max_value))
-	OPENVPN_THROW(option_error, err_ref() << '[' << idx << "] must be in the range [" << min_value << ',' << max_value << ']');
+	range_error(idx, min_value, max_value);
+      return ret;
+    }
+
+    template <typename T>
+    T get_num(const size_t idx, const T min_value, const T max_value) const
+    {
+      const T ret = get_num<T>(idx);
+      if (ret < min_value || ret > max_value)
+	range_error(idx, min_value, max_value);
       return ret;
     }
 
@@ -362,6 +372,12 @@ namespace openvpn {
       from_list(std::forward<Args>(args)...);
     }
 
+    template <typename T>
+    void range_error(const size_t idx, const T min_value, const T max_value) const
+    {
+      OPENVPN_THROW(option_error, err_ref() << '[' << idx << "] must be in the range [" << min_value << ',' << max_value << ']');
+    }
+
     volatile mutable bool touched_ = false;
     std::vector<std::string> data;
   };
@@ -1215,7 +1231,8 @@ namespace openvpn {
     template <typename T>
     T get_num(const std::string& name, const size_t idx, const T default_value) const
     {
-      T n = default_value;
+      typedef typename std::remove_const<T>::type T_nonconst;
+      T_nonconst n = default_value;
       const Option* o = get_ptr(name);
       if (o)
 	n = o->get_num<T>(idx, default_value);
@@ -1226,13 +1243,21 @@ namespace openvpn {
     T get_num(const std::string& name, const size_t idx, const T default_value,
 	      const T min_value, const T max_value) const
     {
-      T n = default_value;
+      typedef typename std::remove_const<T>::type T_nonconst;
+      T_nonconst n = default_value;
       const Option* o = get_ptr(name);
       if (o)
 	n = o->get_num<T>(idx, default_value, min_value, max_value);
       return n;
     }
 
+    template <typename T>
+    T get_num(const std::string& name, const size_t idx, const T min_value, const T max_value) const
+    {
+      const Option& o = get(name);
+      return o.get_num<T>(idx, min_value, max_value);
+    }
+
     // Touch an option, if it exists.
     void touch(const std::string& name) const
     {
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/runcontext.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/runcontext.hpp
index 5aa7131..a3e408d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/runcontext.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/runcontext.hpp
@@ -166,6 +166,18 @@ namespace openvpn {
 	log_observers.erase(lu);
     }
 
+    std::vector<typename ServerThread::Ptr> get_servers()
+    {
+      std::lock_guard<std::recursive_mutex> lock(mutex);
+      std::vector<typename ServerThread::Ptr> ret;
+      if (halt)
+	return ret;
+      ret.reserve(servlist.size());
+      for (auto sp : servlist)
+	ret.emplace_back(sp);
+      return ret;
+    }
+
     void enable_log_history()
     {
       std::lock_guard<std::recursive_mutex> lock(mutex);
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/size.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/size.hpp
index d5c962d..1c06ee6 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/size.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/size.hpp
@@ -29,8 +29,12 @@
 #include <openvpn/common/platform.hpp>
 
 #ifdef OPENVPN_PLATFORM_WIN
+#if !defined(_SSIZE_T_) && !defined(_SSIZE_T_DEFINED)
 #include <BaseTsd.h>
 typedef SSIZE_T ssize_t;
+#define _SSIZE_T_
+#define _SSIZE_T_DEFINED
+#endif
 #else
 #include <unistd.h> // get ssize_t
 #endif
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/string.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/string.hpp
index 823cd77..4d7b508 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/string.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/string.hpp
@@ -28,6 +28,7 @@
 #include <vector>
 #include <cstring>
 #include <cctype>
+#include <algorithm>
 
 #include <openvpn/common/platform.hpp>
 #include <openvpn/common/size.hpp>
@@ -68,6 +69,18 @@ namespace openvpn {
 	dest[maxlen - 1] = 0;
     }
 
+    // Copy string to dest, make sure dest is always null terminated,
+    // and fill out trailing chars in dest with '\0' up to dest_size.
+    inline void copy_fill (void *dest, const std::string& src, const size_t dest_size)
+    {
+      if (dest_size > 0)
+	{
+	  const size_t ncopy = std::min(dest_size - 1, src.length());
+	  std::memcpy(dest, src.c_str(), ncopy);
+	  std::memset(static_cast<unsigned char *>(dest) + ncopy, 0, dest_size - ncopy);
+	}
+    }
+
     inline bool is_true(const std::string& str)
     {
       return str == "1" || !strcasecmp(str.c_str(), "true");
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/strneq.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/strneq.hpp
new file mode 100644
index 0000000..5a7273f
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/common/strneq.hpp
@@ -0,0 +1,65 @@
+//    OpenVPN -- An application to securely tunnel IP networks
+//               over a single port, with support for SSL/TLS-based
+//               session authentication and key exchange,
+//               packet encryption, packet authentication, and
+//               packet compression.
+//
+//    Copyright (C) 2012-2019 OpenVPN Inc.
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Affero General Public License Version 3
+//    as published by the Free Software Foundation.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Affero General Public License for more details.
+//
+//    You should have received a copy of the GNU Affero General Public License
+//    along with this program in the COPYING file.
+//    If not, see <http://www.gnu.org/licenses/>.
+
+#include <string>
+#include <atomic>
+
+namespace openvpn {
+  namespace crypto {
+
+    // Compare strings in a way that is more resistant to timing attacks.
+    // s1 should be the string provided by the user, while s2 is the
+    // "secret" string that we are comparing s1 against.
+    // Our goal is to prevent timing data from leaking info about the
+    // length or content of s2.
+    //  https://nachtimwald.com/2017/04/02/constant-time-string-comparison-in-c/
+    inline bool str_neq(const char *s1, const char *s2)
+    {
+      unsigned int neq = 0;
+      size_t i = 0;
+      size_t j = 0;
+      size_t k = 0;
+
+      while (true)
+	{
+	  neq |= s1[i] ^ s2[j];
+
+	  if (s1[i] == '\0')
+	    break;
+	  i++;
+
+	  atomic_thread_fence(std::memory_order_acq_rel);
+	  if (s2[j] != '\0')
+	    j++;
+	  atomic_thread_fence(std::memory_order_acq_rel);
+	  if (s2[j] == '\0')
+	    k++;
+	}
+      atomic_thread_fence(std::memory_order_acq_rel);
+      return bool(neq);
+    }
+
+    inline bool str_neq(const std::string& s1, const std::string& s2)
+    {
+      return str_neq(s1.c_str(), s2.c_str());
+    }
+  }
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/compress/lzoasym_impl.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/compress/lzoasym_impl.hpp
index 9c4fd8c..bcb4c04 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/compress/lzoasym_impl.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/compress/lzoasym_impl.hpp
@@ -31,6 +31,8 @@
 #define OPENVPN_COMPRESS_LZOASYM_IMPL_H
 
 #include <cstdint> // for std::uint32_t, etc.
+#include <cstring> // for memcpy, memmove
+#include <algorithm>
 
 #include <openvpn/common/size.hpp>  // for ssize_t
 #include <openvpn/common/likely.hpp> // for likely/unlikely
@@ -76,28 +78,6 @@ namespace openvpn {
       return *cptr(p);
     }
 
-    template <typename T>
-    inline T set_mem(void *p, const T value)
-    {
-      typedef volatile T* ptr;
-      *ptr(p) = value;
-    }
-
-    template <typename T>
-    inline void copy_mem(void *dest, const void *src)
-    {
-      typedef volatile T* ptr;
-      typedef volatile const T* cptr;
-      *ptr(dest) = *cptr(src);
-    }
-
-    template <typename T>
-    inline bool ptr_aligned_4(const T* a, const T* b)
-    {
-      return ((size_t(a) | size_t(b)) & 3) == 0;
-    }
-
-
     // take the number of objects difference between two pointers
     template <typename T>
     inline size_t ptr_diff(const T* a, const T* b)
@@ -113,76 +93,37 @@ namespace openvpn {
       return get_mem<std::uint16_t>(p);
     }
 
-    // copy 64 bits
-    inline void copy_64(unsigned char *dest, const unsigned char *src)
+    /**
+     * This function emulates copying bytes one by one from src to dest.
+     * if src+len and dest+len overlap it repeats the non-overlapping
+     * section of src until it copied 'len' bytes
+     *
+     * A slow simple version of this method looks like this:
+     *
+     *    do {
+     *     *dest++ = *src++;
+     *    } while (--len);
+     *
+     * @param src Source of the memory
+     * @param dest Destination of the memory, must be >= src
+     * @param len Number of bytes to copy from src to dest
+     */
+    inline void incremental_copy(unsigned char* dest, const unsigned char* src, ssize_t len)
     {
-      // NOTE: assumes that 64-bit machines can do 64-bit unaligned access, and
-      // 32-bit machines can do 32-bit unaligned access.
-      if (sizeof(void *) == 8)
-	{
-	  copy_mem<std::uint64_t>(dest, src);
-	}
-      else
-	{
-	  copy_mem<std::uint32_t>(dest, src);
-	  copy_mem<std::uint32_t>(dest+4, src+4);
-	}
-    }
-
-    // Fast version of incremental copy.
-    // NOTE: we might write up to ten extra bytes after the end of the copy.
-    inline void incremental_copy_fast(unsigned char *dest, const unsigned char *src, ssize_t len)
-    {
-      while (LZOASYM_UNLIKELY(dest - src < 8))
-	{
-	  copy_64(dest, src);
-	  len -= dest - src;
-	  dest += dest - src;
-	}
+      size_t copylen = dest - src;
       while (len > 0)
 	{
-	  copy_64(dest, src);
-	  src += 8;
-	  dest += 8;
-	  len -= 8;
+	  memcpy(dest, src, std::min((size_t)len, (size_t)copylen));
+	  dest += copylen;
+	  len -= copylen;
+
+	  /* we can double copylen every time
+	   * we copied the pattern */
+	  copylen = copylen * 2;
 	}
     }
 
-    // Slow version of incremental copy
-    inline void incremental_copy(unsigned char *dest, const unsigned char *src, ssize_t len)
-    {
-      do {
-	*dest++ = *src++;
-      } while (--len);
-    }
 
-    // Faster version of memcpy
-    inline void copy_fast(unsigned char *dest, const unsigned char *src, ssize_t len)
-    {
-      while (len >= 8)
-	{
-	  copy_64(dest, src);
-	  src += 8;
-	  dest += 8;
-	  len -= 8;
-	}
-      if (len >= 4)
-	{
-	  copy_mem<std::uint32_t>(dest, src);
-	  src += 4;
-	  dest += 4;
-	  len -= 4;
-	}
-      switch (len)
-	{
-	case 3:
-	  *dest++ = *src++;
-	case 2:
-	  *dest++ = *src++;
-	case 1:
-	  *dest = *src;
-	}
-    }
 
     inline int lzo1x_decompress_safe(const unsigned char *input,
 				     size_t input_length,
@@ -229,7 +170,7 @@ namespace openvpn {
 		    const size_t len = z + 3;
 		    LZOASYM_CHECK_OUTPUT_OVERFLOW(len);
 		    LZOASYM_CHECK_INPUT_OVERFLOW(len+1);
-		    copy_fast(output_ptr, input_ptr, len);
+		    memcpy(output_ptr, input_ptr, len);
 		    input_ptr += len;
 		    output_ptr += len;
 		  }
@@ -322,13 +263,7 @@ namespace openvpn {
 		  LZOASYM_CHECK_OUTPUT_OVERFLOW(z+3-1);
 
 		  const size_t len = z + 2;
-		  // Should we use optimized incremental copy?
-		  // incremental_copy_fast might copy 10 more bytes than needed, so
-		  // don't use it unless we have enough trailing space in buffer.
-		  if (LZOASYM_LIKELY(size_t(output_ptr_end - output_ptr) >= len + 10))
-		    incremental_copy_fast(output_ptr, match_ptr, len);
-		  else
-		    incremental_copy(output_ptr, match_ptr, len);
+		  incremental_copy(output_ptr, match_ptr, len);
 		  match_ptr += len;
 		  output_ptr += len;
 		}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/dco/dcocli.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/dco/dcocli.hpp
index 33eaace..bf3e300 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/dco/dcocli.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/dco/dcocli.hpp
@@ -34,7 +34,7 @@
 #include <openvpn/transport/client/transbase.hpp>
 #include <openvpn/tun/client/tunbase.hpp>
 #include <openvpn/tun/builder/capture.hpp>
-#include <openvpn/tun/linux/client/tuncli.hpp>
+#include <openvpn/tun/linux/client/tuniproute.hpp>
 #include <openvpn/transport/dco.hpp>
 #include <openvpn/kovpn/kovpn.hpp>
 #include <openvpn/kovpn/kodev.hpp>
@@ -336,12 +336,12 @@ namespace openvpn {
 		detect_vpn_ip_collision(*vpn_ip_collision, *po, config->trunk_unit, *remove_cmds);
 
 	      // trunk setup
-	      TunLinux::iface_config(state->iface_name,
-				     config->trunk_unit,
-				     *po,
-				     nullptr,
-				     *add_cmds,
-				     *remove_cmds);
+	      TunIPRoute::iface_config(state->iface_name,
+				      config->trunk_unit,
+				      *po,
+				      nullptr,
+				      *add_cmds,
+				      *remove_cmds);
 
 	      // Note that in trunking mode, kovpn must be
 	      // configured for source routing.
@@ -351,11 +351,11 @@ namespace openvpn {
 	  else
 	    {
 	      // non-trunk setup
-	      TunLinux::tun_config(state->iface_name,
-				   *po,
-				   &rtvec,
-				   *add_cmds,
-				   *remove_cmds);
+	      TunIPRoute::TunMethods::tun_config(state->iface_name,
+						 *po,
+						 &rtvec,
+						 *add_cmds,
+						 *remove_cmds);
 	    }
 
 	  // Add routes to DCO implementation
@@ -533,7 +533,6 @@ namespace openvpn {
 	config->transport.remote_list->get_endpoint(udp().server_endpoint);
 	OPENVPN_LOG("Contacting " << udp().server_endpoint << " via UDP");
 	transport_parent->transport_wait();
-	transport_parent->ip_hole_punch(server_endpoint_addr());
 	udp().socket.open(udp().server_endpoint.protocol());
 	udp().socket.async_connect(udp().server_endpoint, [self=Ptr(this)](const openvpn_io::error_code& error)
                                                           {
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/frame/frame.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/frame/frame.hpp
index 64b1909..74d5d97 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/frame/frame.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/frame/frame.hpp
@@ -46,6 +46,7 @@ namespace openvpn {
       READ_LINK_UDP,
       READ_LINK_TCP,
       READ_TUN,
+      READ_WINTUN,
       READ_BIO_MEMQ_DGRAM,
       READ_BIO_MEMQ_STREAM,
       READ_SSL_CLEARTEXT,
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/frame/frame_init.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/frame/frame_init.hpp
index c34cd3a..adc75ea 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/frame/frame_init.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/frame/frame_init.hpp
@@ -52,6 +52,12 @@ namespace openvpn {
     (*frame)[Frame::WRITE_SSL_CLEARTEXT] = Frame::Context(headroom, payload, tailroom, 0, align_block, BufferAllocated::GROW);
     frame->standardize_capacity(~0);
 
+    // Wintun could return 256 packets no larger than tun mtu,
+    // each packet is prepended with 4 bytes size and 12 bytes
+    // start padding and appended by up to 15 bytes end padding
+    const size_t tun_mtu_wintun = tun_mtu > 0 ? tun_mtu : 1500;
+    (*frame)[Frame::READ_WINTUN] = Frame::Context(0, (tun_mtu_wintun + 4 + 12 + 15) * 256, 0, 0, align_block, 0);
+
     if (verbose)
       OPENVPN_LOG("Frame=" << headroom << '/' << payload << '/' << tailroom
 		  << " mssfix-ctrl=" << (*frame)[Frame::READ_BIO_MEMQ_STREAM].payload());
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/init/initprocess.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/init/initprocess.hpp
index 05c5b2a..03925d1 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/init/initprocess.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/init/initprocess.hpp
@@ -59,6 +59,10 @@ namespace openvpn {
       {
 	base64_uninit_static();
       }
+
+    private:
+      // SSL library init happens when instantiated
+      crypto_init crypto_init_;
     };
 
     // process-wide singular instance
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/ip/ping6.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/ip/ping6.hpp
index 19933ee..19b4260 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/ip/ping6.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/ip/ping6.hpp
@@ -38,7 +38,7 @@ namespace openvpn {
 
     inline static const std::uint16_t* get_addr16(const struct in6_addr *addr)
     {
-#if defined(_MSC_VER)
+#if defined(_WIN32)
       return addr->u.Word;
 #elif defined(__APPLE__)
       return addr->__u6_addr.__u6_addr16;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/linux/cputime.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/linux/cputime.hpp
new file mode 100644
index 0000000..28b54ed
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/linux/cputime.hpp
@@ -0,0 +1,72 @@
+//    OpenVPN -- An application to securely tunnel IP networks
+//               over a single port, with support for SSL/TLS-based
+//               session authentication and key exchange,
+//               packet encryption, packet authentication, and
+//               packet compression.
+//
+//    Copyright (C) 2012-2017 OpenVPN Inc.
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Affero General Public License Version 3
+//    as published by the Free Software Foundation.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Affero General Public License for more details.
+//
+//    You should have received a copy of the GNU Affero General Public License
+//    along with this program in the COPYING file.
+//    If not, see <http://www.gnu.org/licenses/>.
+
+#pragma once
+
+#include <errno.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/resource.h>
+#include <unistd.h>
+
+#include <string>
+
+#include <openvpn/common/file.hpp>
+#include <openvpn/common/string.hpp>
+#include <openvpn/common/number.hpp>
+#include <openvpn/common/exception.hpp>
+
+namespace openvpn {
+  /**
+   * Retrieve the time (in seconds) the current process or thread
+   * has been running.  Runing time includes both system and user
+   * times.
+   *
+   * @param thread  Boolean flag controlling if process or thread
+   *                runtime should be returned
+   *
+   * @return Returns a double containing number of seconds the
+   *         current process (PID) or thread has been running.
+   *         On errors -1.0 is returned.
+   *
+   */
+  inline double cpu_time(const bool thread=false)
+  {
+    try
+      {
+        struct rusage usage;
+
+        if (getrusage((thread ? RUSAGE_THREAD : RUSAGE_SELF), &usage) != 0)
+          {
+            throw Exception("getrusage() call failed: " + std::string(strerror(errno)));
+          }
+        double utime = usage.ru_utime.tv_sec + ((double)usage.ru_utime.tv_usec / 1000000);
+        double stime = usage.ru_stime.tv_sec + ((double)usage.ru_stime.tv_usec / 1000000);
+
+        return utime + stime;
+      }
+    catch (const std::exception& e)
+      {
+	//OPENVPN_LOG("cpu_time exception: " << e.what());
+	return -1.0;
+      }
+  }
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/mbedtls/ssl/sslctx.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/mbedtls/ssl/sslctx.hpp
index 8640981..051df51 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/mbedtls/ssl/sslctx.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/mbedtls/ssl/sslctx.hpp
@@ -212,7 +212,6 @@ namespace openvpn {
 		 tls_version_min(TLSVersion::UNDEF),
 		 tls_cert_profile(TLSCertProfile::UNDEF),
 		 local_cert_enabled(true),
-		 enable_renegotiation(false),
 		 force_aes_cbc_ciphersuites(false),
 		 allow_name_constraints(false) {}
 
@@ -237,6 +236,18 @@ namespace openvpn {
 	external_pki = external_pki_arg;
       }
 
+      virtual void set_session_ticket_handler(TLSSessionTicketBase* session_ticket_handler_arg)
+      {
+	// fixme -- this method should be implemented for server-side TLS session resumption tickets
+	throw MbedTLSException("set_session_ticket_handler not implemented");
+      }
+
+      virtual void set_client_session_tickets(const bool v)
+      {
+	// fixme -- this method should be implemented for client-side TLS session resumption tickets
+	throw MbedTLSException("set_client_session_tickets not implemented");
+      }
+
       virtual void set_private_key_password(const std::string& pwd)
       {
 	priv_key_pwd = pwd;
@@ -397,11 +408,6 @@ namespace openvpn {
 	local_cert_enabled = v;
       }
 
-      virtual void set_enable_renegotiation(const bool v)
-      {
-	enable_renegotiation = v;
-      }
-
       virtual void set_force_aes_cbc_ciphersuites(const bool v)
       {
 	force_aes_cbc_ciphersuites = v;
@@ -590,7 +596,6 @@ namespace openvpn {
       TLSCertProfile::Type tls_cert_profile;
       X509Track::ConfigSet x509_track_config;
       bool local_cert_enabled;
-      bool enable_renegotiation;
       bool force_aes_cbc_ciphersuites;
       bool allow_name_constraints;
       RandomAPI::Ptr rng;   // random data source
@@ -612,12 +617,12 @@ namespace openvpn {
     public:
       typedef RCPtr<SSL> Ptr;
 
-      virtual void start_handshake()
+      virtual void start_handshake() override
       {
 	mbedtls_ssl_handshake(ssl);
       }
 
-      virtual ssize_t write_cleartext_unbuffered(const void *data, const size_t size)
+      virtual ssize_t write_cleartext_unbuffered(const void *data, const size_t size) override
       {
 	const int status = mbedtls_ssl_write(ssl, (const unsigned char*)data, size);
 	if (status < 0)
@@ -633,7 +638,7 @@ namespace openvpn {
 	  return status;
       }
 
-      virtual ssize_t read_cleartext(void *data, const size_t capacity)
+      virtual ssize_t read_cleartext(void *data, const size_t capacity) override
       {
 	if (!overflow)
 	  {
@@ -656,12 +661,12 @@ namespace openvpn {
 	  throw ssl_ciphertext_in_overflow();
       }
 
-      virtual bool read_cleartext_ready() const
+      virtual bool read_cleartext_ready() const override
       {
 	return !ct_in.empty() || mbedtls_ssl_get_bytes_avail(ssl);
       }
 
-      virtual void write_ciphertext(const BufferPtr& buf)
+      virtual void write_ciphertext(const BufferPtr& buf) override
       {
 	if (ct_in.size() < MAX_CIPHERTEXT_IN)
 	  ct_in.write_buf(buf);
@@ -669,7 +674,7 @@ namespace openvpn {
 	  overflow = true;
       }
 
-      virtual void write_ciphertext_unbuffered(const unsigned char *data, const size_t size)
+      virtual void write_ciphertext_unbuffered(const unsigned char *data, const size_t size) override
       {
 	if (ct_in.size() < MAX_CIPHERTEXT_IN)
 	  ct_in.write(data, size);
@@ -677,17 +682,17 @@ namespace openvpn {
 	  overflow = true;
       }
 
-      virtual bool read_ciphertext_ready() const
+      virtual bool read_ciphertext_ready() const override
       {
 	return !ct_out.empty();
       }
 
-      virtual BufferPtr read_ciphertext()
+      virtual BufferPtr read_ciphertext() override
       {
 	return ct_out.read_buf();
       }
 
-      virtual std::string ssl_handshake_details() const
+      virtual std::string ssl_handshake_details() const override
       {
 	if (ssl)
 	  {
@@ -699,11 +704,21 @@ namespace openvpn {
 	return "";
       }
 
-      virtual const AuthCert::Ptr& auth_cert() const
+      virtual bool did_full_handshake() override
+      {
+	return false; // fixme -- not implemented
+      }
+
+      virtual const AuthCert::Ptr& auth_cert() override
       {
 	return authcert;
       }
 
+      virtual void mark_no_cache() override
+      {
+	// fixme -- this method should be implemented for client-side TLS session resumption tickets
+      }
+
       virtual ~SSL()
       {
 	erase();
@@ -787,15 +802,12 @@ namespace openvpn {
 
 	  // Notes on SSL resume/renegotiation:
 	  // SSL resume on server side is controlled by ssl_set_session_cache.
-	  // SSL renegotiation on/off is handled here via ssl_set_renegotiation.
-	  // Without calling ssl_set_renegotiation, it defaults to
-	  // MBEDTLS_SSL_RENEGOTIATION_DISABLED and ssl_legacy_renegotiation defaults to
+	  // SSL renegotiation is disabled here via MBEDTLS_SSL_RENEGOTIATION_DISABLED
+	  // and ssl_legacy_renegotiation defaults to
 	  // MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION.  To enable session tickets,
 	  // MBEDTLS_SSL_SESSION_TICKETS (compile flag) must be defined
 	  // in mbed TLS config.h.
-	  mbedtls_ssl_conf_renegotiation(sslconf,
-					 c.enable_renegotiation
-					 ? MBEDTLS_SSL_RENEGOTIATION_ENABLED : MBEDTLS_SSL_RENEGOTIATION_DISABLED);
+	  mbedtls_ssl_conf_renegotiation(sslconf, MBEDTLS_SSL_RENEGOTIATION_DISABLED);
 
 	  mbedtls_ssl_conf_ciphersuites(sslconf, c.force_aes_cbc_ciphersuites ?
 					mbedtls_ctx_private::aes_cbc_ciphersuites :
@@ -982,9 +994,9 @@ namespace openvpn {
     }
 
     // like ssl() above but verify hostname against cert CommonName and/or SubjectAltName
-    virtual SSLAPI::Ptr ssl(const std::string& hostname)
+    virtual SSLAPI::Ptr ssl(const std::string* hostname, const std::string* cache_key)
     {
-      return SSL::Ptr(new SSL(this, hostname.c_str()));
+      return SSL::Ptr(new SSL(this, hostname ? hostname->c_str() : nullptr));
     }
 
     virtual const Mode& mode() const
@@ -1374,7 +1386,7 @@ namespace openvpn {
 
 	    /* get signature */
 	    std::string sig_b64;
-	    const bool status = self->config->external_pki->sign(from_b64, sig_b64);
+	    const bool status = self->config->external_pki->sign(from_b64, sig_b64, "RSA_PKCS1_PADDING");
 	    if (!status)
 	      throw ssl_external_pki("MbedTLS: could not obtain signature");
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/netconf/linux/gwnetlink.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/netconf/linux/gwnetlink.hpp
index 7af5f30..769a8d9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/netconf/linux/gwnetlink.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/netconf/linux/gwnetlink.hpp
@@ -37,7 +37,17 @@ namespace openvpn {
   public:
     OPENVPN_EXCEPTION(linux_gw_netlink_error);
 
-    LinuxGWNetlink(bool ipv6)
+    /**
+     * Provides gateway which is used to reach given address
+     *
+     * @param addr address which we want to reach
+     * @param iface_to_ignore this allows to exclude certain interface
+     * from discovered gateways. Used when we want to exclude VPN interface
+     * when there is active VPN connection with redirected default gateway
+     *
+     * @param ipv6 true if address is IPv6
+     */
+    LinuxGWNetlink(const std::string& addr, const std::string& iface_to_ignore, bool ipv6)
     {
       try
       {
@@ -45,8 +55,8 @@ namespace openvpn {
 	{
 	  IPv6::Addr addr6;
 
-	  if (TunNetlink::SITNL::net_route_best_gw(IP::Route6(IPv6::Addr::from_zero(), 0),
-						   addr6, dev_) < 0)
+	  if (TunNetlink::SITNL::net_route_best_gw(IP::Route6::from_string(addr),
+						   addr6, dev_, iface_to_ignore) < 0)
 	  {
 	    OPENVPN_THROW(linux_gw_netlink_error,
 			  "error retrieving default IPv6 GW");
@@ -58,8 +68,8 @@ namespace openvpn {
 	{
 	  IPv4::Addr addr4;
 
-	  if (TunNetlink::SITNL::net_route_best_gw(IP::Route4(IPv4::Addr::from_zero(), 0),
-						   addr4, dev_) < 0)
+	  if (TunNetlink::SITNL::net_route_best_gw(IP::Route4::from_string(addr),
+						   addr4, dev_, iface_to_ignore) < 0)
 	  {
 	    OPENVPN_THROW(linux_gw_netlink_error,
 			  "error retrieving default IPv4 GW");
@@ -98,11 +108,19 @@ namespace openvpn {
     std::string dev_;
   };
 
+  /**
+   * Provides IPv4/6 gateway which is used to reach given address
+   *
+   * @param iface_to_ignore this allows to exclude certain interface
+   * from discovered gateways. Used when we want to exclude VPN interface
+   * when there is active VPN connection with redirected default gateway
+   * @param addr address which we want to reach
+   */
   struct LinuxGW46Netlink
   {
-    LinuxGW46Netlink()
-      : v4(false),
-        v6(true)
+    LinuxGW46Netlink(const std::string& iface_to_ignore, const std::string& addr = "")
+      : v4(addr.empty() ? IPv4::Addr::from_zero().to_string() : addr, iface_to_ignore, false),
+        v6(addr.empty() ? IPv6::Addr::from_zero().to_string() : addr, iface_to_ignore, true)
     {
     }
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/bio/bio_memq_dgram.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/bio/bio_memq_dgram.hpp
index c2a2ccc..fa81485 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/bio/bio_memq_dgram.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/bio/bio_memq_dgram.hpp
@@ -63,13 +63,13 @@ namespace openvpn {
 	    ret = (long)empty();
 	    break;
 	  case BIO_C_SET_BUF_MEM_EOF_RETURN:
-	    b->num = (int)num;
+	    return_eof_on_empty = (num == 0);
 	    break;
 	  case BIO_CTRL_GET_CLOSE:
-	    ret = (long)b->shutdown;
+	    ret = (long)(BIO_get_shutdown (b));
 	    break;
 	  case BIO_CTRL_SET_CLOSE:
-	    b->shutdown = (int)num;
+	    BIO_set_shutdown (b, (int)num);
 	    break;
 	  case BIO_CTRL_WPENDING:
 	    ret = 0L;
@@ -91,7 +91,7 @@ namespace openvpn {
 	    ret = mtu = num;
 	    break;
 	  case BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT:
-	    std::memcpy(&next_timeout, ptr, sizeof(struct timeval));		
+	    std::memcpy(&next_timeout, ptr, sizeof(struct timeval));
 	    break;
 	  default:
 	    //OPENVPN_LOG("*** MemQ-dgram unimplemented ctrl method=" << cmd);
@@ -104,23 +104,23 @@ namespace openvpn {
     private:
       long mtu;
       long query_mtu_return;
+      bool return_eof_on_empty;
       struct timeval next_timeout;
     };
 
     namespace bio_memq_internal {
-      enum {
-	BIO_TYPE_MEMQ = (94|BIO_TYPE_SOURCE_SINK) // make sure type 94 doesn't collide with anything in bio.h
-      };
+      static int memq_method_type=0;
+      static BIO_METHOD* memq_method = nullptr;
 
       inline int memq_new (BIO *b)
       {
-	MemQ *bmq = new MemQ();
+	MemQ *bmq = new(std::nothrow) MemQ();
 	if (!bmq)
 	  return 0;
-	b->shutdown = 1;
-	b->init = 1;
-	b->num = -1;
-	b->ptr = (void *)bmq;
+	BIO_set_shutdown(b, 1);
+	BIO_set_init(b, 1);
+	b->return_eof_on_empty = false;
+	BIO_set_data(b, (void *)bmq);
 	return 1;
       }
 
@@ -128,13 +128,13 @@ namespace openvpn {
       {
 	if (b == nullptr)
 	  return (0);
-	if (b->shutdown)
+	if (BIO_get_shutdown (b))
 	  {
-	    if ((b->init) && (b->ptr != nullptr))
+	    MemQ *bmq = (MemQ*) (BIO_get_data (b));
+	    if (BIO_get_init (b) && (bmq != nullptr))
 	      {
-		MemQ *bmq = (MemQ*)b->ptr;
 		delete bmq;
-		b->ptr = nullptr;
+		BIO_set_data (b, nullptr);
 	      }
 	  }
 	return 1;
@@ -142,7 +142,7 @@ namespace openvpn {
 
       inline int memq_write (BIO *b, const char *in, int len)
       {
-	MemQ *bmq = (MemQ*)b->ptr;
+	MemQ *bmq = (MemQ*) (BIO_get_data (b));
 	if (in)
 	  {
 	    BIO_clear_retry_flags (b);
@@ -166,7 +166,7 @@ namespace openvpn {
 
       inline int memq_read (BIO *b, char *out, int size)
       {
-	MemQ *bmq = (MemQ*)b->ptr;
+	MemQ *bmq = (MemQ*) (BIO_get_data (b));
 	int ret = -1;
 	BIO_clear_retry_flags (b);
 	if (!bmq->empty())
@@ -191,7 +191,7 @@ namespace openvpn {
 
       inline long memq_ctrl (BIO *b, int cmd, long arg1, void *arg2)
       {
-	MemQ *bmq = (MemQ*)b->ptr;
+	MemQ *bmq = (MemQ*) (BIO_get_data (b));
 	return bmq->ctrl(b, cmd, arg1, arg2);
       }
 
@@ -202,43 +202,60 @@ namespace openvpn {
 	return ret;
       }
 
-      BIO_METHOD memq_method =
-	{
-	  BIO_TYPE_MEMQ,
-	  "datagram memory queue",
-	  memq_write,
-	  memq_read,
-	  memq_puts,
-	  nullptr, /* memq_gets */
-	  memq_ctrl,
-	  memq_new,
-	  memq_free,
-	  nullptr,
-	};
+      inline void create_bio_method ()
+      {
+	if (!memq_method_type)
+          memq_method_type = BIO_get_new_index ();
 
+	memq_method = BIO_meth_new (memq_method_type, "datagram memory queue");
+	BIO_meth_set_write (memq_method, memq_write);
+	BIO_meth_set_read (memq_read);
+	BIO_meth_set_puts (memq_puts);
+	BIO_meth_set_create (memq_new);
+	BIO_meth_set_destroy (memq_destroy);
+	BIO_meth_set_gets (nullptr);
+	BIO_meth_set_ctrl (memq_method, memq_ctrl);
+      }
+
+      inline void free_bio_method()
+      {
+	BIO_meth_free (memq_method);
+      }
     } // namespace bio_memq_internal
 
     inline BIO_METHOD *BIO_s_memq(void)
     {
-      return (&bio_memq_internal::memq_method);
+      // TODO: call free in some cleanup
+      bio_memq_internal::create_bio_method ();
+      return bio_memq_internal::memq_method;
     }
 
     inline MemQ *memq_from_bio(BIO *b)
     {
-      if (b->method->type == bio_memq_internal::BIO_TYPE_MEMQ)
-	return (MemQ *)b->ptr;
+      if (BIO_method_type (b) == bio_memq_internal::memq_method_type)
+	return (MemQ *)(BIO_get_data (b));
       else
 	return nullptr;
     }
 
     inline const MemQ *const_memq_from_bio(const BIO *b)
     {
-      if (b->method->type == bio_memq_internal::BIO_TYPE_MEMQ)
-	return (const MemQ *)b->ptr;
+      if (BIO_method_type (b) == bio_memq_internal::memq_method_type)
+        return (const MemQ *)(BIO_get_data (const_cast<BIO*>(b)));
       else
 	return nullptr;
     }
 
+    MemQ()
+    {
+      mtu = 0;
+      query_mtu_return = 0;
+      std::memset(&next_timeout, 0, sizeof(next_timeout));
+
+      bio_memq_internal::create_bio_method ();
+    }
+
+    ~MemQ() { bio_memq_internal::free_bio_method(); }
   } // namespace bmq_dgram
 } // namespace openvpn
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/bio/bio_memq_stream.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/bio/bio_memq_stream.hpp
index 95d13db..3e05cf0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/bio/bio_memq_stream.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/bio/bio_memq_stream.hpp
@@ -22,8 +22,7 @@
 // This code implements an OpenSSL BIO object for streams based on the
 // MemQ buffer queue object.
 
-#ifndef OPENVPN_OPENSSL_BIO_BIO_MEMQ_STREAM_H
-#define OPENVPN_OPENSSL_BIO_BIO_MEMQ_STREAM_H
+#pragma once
 
 #include <cstring> // for std::strlen and others
 
@@ -35,6 +34,8 @@
 #include <openvpn/frame/frame.hpp>
 #include <openvpn/frame/memq_stream.hpp>
 
+#include <openvpn/openssl/compat.hpp>
+
 namespace openvpn {
   namespace bmq_stream {
 
@@ -55,13 +56,13 @@ namespace openvpn {
 	    ret = (long)empty();
 	    break;
 	  case BIO_C_SET_BUF_MEM_EOF_RETURN:
-	    b->num = (int)num;
+	    return_eof_on_empty = (num == 0);
 	    break;
 	  case BIO_CTRL_GET_CLOSE:
-	    ret = (long)b->shutdown;
+	    ret = BIO_get_shutdown(b);
 	    break;
 	  case BIO_CTRL_SET_CLOSE:
-	    b->shutdown = (int)num;
+	    BIO_set_shutdown(b, (int) num);
 	    break;
 	  case BIO_CTRL_WPENDING:
 	    ret = 0L;
@@ -80,22 +81,23 @@ namespace openvpn {
 	  }
 	return (ret);
       }
+
+       bool return_eof_on_empty = false;
     };
 
     namespace bio_memq_internal {
-      enum {
-	BIO_TYPE_MEMQ = (95|BIO_TYPE_SOURCE_SINK) // make sure type 95 doesn't collide with anything in bio.h
-      };
+
+      static int memq_method_type=0;
+      static BIO_METHOD* memq_method = nullptr;
 
       inline int memq_new (BIO *b)
       {
-	MemQ *bmq = new MemQ();
+	MemQ *bmq = new(std::nothrow) MemQ();
 	if (!bmq)
 	  return 0;
-	b->shutdown = 1;
-	b->init = 1;
-	b->num = -1;
-	b->ptr = (void *)bmq;
+	BIO_set_shutdown(b, 1);
+	BIO_set_init(b, 1);
+	BIO_set_data(b, (void *)bmq);
 	return 1;
       }
 
@@ -103,13 +105,13 @@ namespace openvpn {
       {
 	if (b == nullptr)
 	  return (0);
-	if (b->shutdown)
+	if (BIO_get_shutdown (b))
 	  {
-	    if ((b->init) && (b->ptr != nullptr))
+            MemQ *bmq = (MemQ*) (BIO_get_data (b));
+            if (BIO_get_init (b) && (bmq != nullptr))
 	      {
-		MemQ *bmq = (MemQ*)b->ptr;
 		delete bmq;
-		b->ptr = nullptr;
+		BIO_set_data (b, nullptr);
 	      }
 	  }
 	return 1;
@@ -117,7 +119,7 @@ namespace openvpn {
 
       inline int memq_write (BIO *b, const char *in, int len)
       {
-	MemQ *bmq = (MemQ*)b->ptr;
+	MemQ *bmq = (MemQ*)(BIO_get_data(b));
 	if (in)
 	  {
 	    BIO_clear_retry_flags (b);
@@ -141,7 +143,7 @@ namespace openvpn {
 
       inline int memq_read (BIO *b, char *out, int size)
       {
-	MemQ *bmq = (MemQ*)b->ptr;
+	MemQ *bmq = (MemQ*)(BIO_get_data(b));
 	int ret = -1;
 	BIO_clear_retry_flags (b);
 	if (!bmq->empty())
@@ -151,22 +153,21 @@ namespace openvpn {
 	    }
 	    catch (...)
 	      {
-		BIOerr(BIO_F_MEM_READ, BIO_R_INVALID_ARGUMENT);
+		BIOerr(memq_method_type, BIO_R_INVALID_ARGUMENT);
 		return -1;
 	      }
 	  }
 	else
 	  {
-	    ret = b->num;
-	    if (ret != 0)
-	      BIO_set_retry_read (b);
+	    if (!bmq->return_eof_on_empty)
+		BIO_set_retry_read (b);
 	  }
 	return ret;
       }
 
       inline long memq_ctrl (BIO *b, int cmd, long arg1, void *arg2)
       {
-	MemQ *bmq = (MemQ*)b->ptr;
+	MemQ *bmq = (MemQ*)(BIO_get_data(b));
 	return bmq->ctrl(b, cmd, arg1, arg2);
       }
 
@@ -177,44 +178,50 @@ namespace openvpn {
 	return ret;
       }
 
-      BIO_METHOD memq_method =
-	{
-	  BIO_TYPE_MEMQ,
-	  "stream memory queue",
-	  memq_write,
-	  memq_read,
-	  memq_puts,
-	  nullptr, /* memq_gets */
-	  memq_ctrl,
-	  memq_new,
-	  memq_free,
-	  nullptr,
-	};
+      inline void init_static ()
+      {
+	memq_method_type = BIO_get_new_index ();
+	memq_method = BIO_meth_new (memq_method_type, "stream memory queue");
+	BIO_meth_set_write (memq_method, memq_write);
+	BIO_meth_set_read (memq_method, memq_read);
+	BIO_meth_set_puts (memq_method, memq_puts);
+	BIO_meth_set_create (memq_method, memq_new);
+	BIO_meth_set_destroy (memq_method, memq_free);
+	BIO_meth_set_gets (memq_method, nullptr);
+	BIO_meth_set_ctrl (memq_method, memq_ctrl);
+      }
 
+      inline void free_bio_method()
+      {
+	BIO_meth_free (memq_method);
+	memq_method = nullptr;
+      }
     } // namespace bio_memq_internal
 
+    inline void init_static()
+    {
+      bio_memq_internal::init_static();
+    }
+
     inline BIO_METHOD *BIO_s_memq(void)
     {
-      return (&bio_memq_internal::memq_method);
+      return (bio_memq_internal::memq_method);
     }
 
     inline MemQ *memq_from_bio(BIO *b)
     {
-      if (b->method->type == bio_memq_internal::BIO_TYPE_MEMQ)
-	return (MemQ *)b->ptr;
+      if (BIO_method_type(b) == bio_memq_internal::memq_method_type)
+	return (MemQ *)(BIO_get_data (b));
       else
 	return nullptr;
     }
 
     inline const MemQ *const_memq_from_bio(const BIO *b)
     {
-      if (b->method->type == bio_memq_internal::BIO_TYPE_MEMQ)
-	return (const MemQ *)b->ptr;
+      if (BIO_method_type(b) == bio_memq_internal::memq_method_type)
+	return (const MemQ *)(BIO_get_data (const_cast<BIO*>(b)));
       else
 	return nullptr;
     }
-
   } // namespace bmq_dgram
 } // namespace openvpn
-
-#endif // OPENVPN_OPENSSL_BIO_BIO_MEMQ_STREAM_H
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/compat.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/compat.hpp
new file mode 100644
index 0000000..bf2511a
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/compat.hpp
@@ -0,0 +1,336 @@
+//    OpenVPN -- An application to securely tunnel IP networks
+//               over a single port, with support for SSL/TLS-based
+//               session authentication and key exchange,
+//               packet encryption, packet authentication, and
+//               packet compression.
+//
+//    Copyright (C) 2012-2019 OpenVPN Inc.
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Affero General Public License Version 3
+//    as published by the Free Software Foundation.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Affero General Public License for more details.
+//
+//    You should have received a copy of the GNU Affero General Public License
+//    along with this program in the COPYING file.
+//    If not, see <http://www.gnu.org/licenses/>.
+
+
+#pragma once
+
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+
+#include <openssl/bio.h>
+#include <openssl/crypto.h>
+#include <openssl/rsa.h>
+#include <openssl/dsa.h>
+#include <openssl/hmac.h>
+
+// make sure type 94 doesn't collide with anything in bio.h
+// Start with the same number as before
+
+static int lastindex = 94;
+inline int BIO_get_new_index(void)
+{
+  int newval = lastindex | BIO_TYPE_SOURCE_SINK;
+  lastindex++;
+  return newval;
+}
+
+inline BIO_METHOD *BIO_meth_new(int type, const char *name)
+{
+  BIO_METHOD *biom = new BIO_METHOD();
+
+  if ((biom->name = OPENSSL_strdup(name)) == nullptr)
+    {
+      delete biom;
+      BIOerr(BIO_F_BIO_NEW, ERR_R_MALLOC_FAILURE);
+      return nullptr;
+    }
+  biom->type = type;
+  return biom;
+}
+
+inline void BIO_meth_free(BIO_METHOD *biom)
+{
+  if (biom != nullptr)
+    {
+      OPENSSL_free((void *)biom->name);
+      delete biom;
+    }
+}
+
+inline RSA_METHOD *RSA_meth_new(const char *name, int flags)
+{
+  RSA_METHOD *meth = new RSA_METHOD();
+
+  meth->flags = flags;
+  meth->name = name;
+
+  return meth;
+}
+
+inline void RSA_meth_free(RSA_METHOD *meth)
+{
+  delete meth;
+}
+
+inline HMAC_CTX *HMAC_CTX_new()
+{
+  HMAC_CTX *ctx = new HMAC_CTX();
+  HMAC_CTX_init(ctx);
+  return ctx;
+}
+
+inline void HMAC_CTX_free(HMAC_CTX *ctx)
+{
+  HMAC_CTX_cleanup(ctx);
+  delete ctx;
+}
+
+inline EVP_MD_CTX *EVP_MD_CTX_new()
+{
+  return new EVP_MD_CTX();
+}
+
+void EVP_MD_CTX_free(EVP_MD_CTX *ctx)
+{
+  delete ctx;
+}
+
+inline void BIO_set_shutdown(BIO *a, int shut)
+{
+  a->shutdown = shut;
+}
+
+inline int BIO_get_shutdown(BIO *a)
+{
+  return a->shutdown;
+}
+
+inline void BIO_set_data(BIO *a, void *ptr)
+{
+  a->ptr = ptr;
+}
+
+inline void *BIO_get_data(BIO *a)
+{
+  return a->ptr;
+}
+
+inline void BIO_set_init(BIO *a, int init)
+{
+  a->init = init;
+}
+
+inline int BIO_get_init(BIO *a)
+{
+  return a->init;
+}
+
+inline int BIO_meth_set_write(BIO_METHOD *biom,
+			      int (*bwrite)(BIO *, const char *, int))
+{
+  biom->bwrite = bwrite;
+  return 1;
+}
+
+inline int BIO_meth_set_read(BIO_METHOD *biom,
+			     int (*bread)(BIO *, char *, int))
+{
+  biom->bread = bread;
+  return 1;
+}
+
+inline int BIO_meth_set_puts(BIO_METHOD *biom,
+			     int (*bputs)(BIO *, const char *))
+{
+  biom->bputs = bputs;
+  return 1;
+}
+
+inline int BIO_meth_set_gets(BIO_METHOD *biom,
+			     int (*bgets)(BIO *, char *, int))
+{
+  biom->bgets = bgets;
+  return 1;
+}
+
+inline int BIO_meth_set_ctrl(BIO_METHOD *biom,
+			     long (*ctrl)(BIO *, int, long, void *))
+{
+  biom->ctrl = ctrl;
+  return 1;
+}
+
+inline int BIO_meth_set_create(BIO_METHOD *biom, int (*create)(BIO *))
+{
+  biom->create = create;
+  return 1;
+}
+
+inline int BIO_meth_set_destroy(BIO_METHOD *biom, int (*destroy)(BIO *))
+{
+  biom->destroy = destroy;
+  return 1;
+}
+
+inline RSA *EVP_PKEY_get0_RSA(EVP_PKEY *pkey)
+{
+  return pkey->pkey.rsa;
+}
+
+inline int RSA_meth_set_pub_enc(RSA_METHOD *meth,
+				int (*pub_enc)(int flen, const unsigned char *from,
+					       unsigned char *to, RSA *rsa,
+					       int padding))
+{
+  meth->rsa_pub_enc = pub_enc;
+  return 1;
+}
+
+inline int RSA_meth_set_pub_dec(RSA_METHOD *meth,
+				int (*pub_dec)(int flen, const unsigned char *from,
+					       unsigned char *to, RSA *rsa,
+					       int padding))
+{
+  meth->rsa_pub_dec = pub_dec;
+  return 1;
+}
+
+inline int RSA_meth_set_priv_enc(RSA_METHOD *meth,
+				 int (*priv_enc)(int flen, const unsigned char *from,
+						 unsigned char *to, RSA *rsa,
+						 int padding))
+{
+  meth->rsa_priv_enc = priv_enc;
+  return 1;
+}
+
+int RSA_meth_set_priv_dec(RSA_METHOD *meth,
+			  int (*priv_dec)(int flen, const unsigned char *from,
+					  unsigned char *to, RSA *rsa,
+					  int padding))
+{
+  meth->rsa_priv_dec = priv_dec;
+  return 1;
+}
+
+inline int RSA_meth_set_init(RSA_METHOD *meth, int (*init)(RSA *rsa))
+{
+  meth->init = init;
+  return 1;
+}
+
+inline int RSA_meth_set_finish(RSA_METHOD *meth, int (*finish)(RSA *rsa))
+{
+  meth->finish = finish;
+  return 1;
+}
+
+inline int RSA_meth_set0_app_data(RSA_METHOD *meth, void *app_data)
+{
+  meth->app_data = (char *) app_data;
+  return 1;
+}
+
+inline void *RSA_meth_get0_app_data(const RSA_METHOD *meth)
+{
+  return (void *) meth->app_data;
+}
+
+inline DSA *EVP_PKEY_get0_DSA(EVP_PKEY *pkey)
+{
+  return pkey->pkey.dsa;
+}
+
+inline void DSA_get0_pqg(const DSA *d, const BIGNUM **p, const BIGNUM **q, const BIGNUM **g)
+{
+  if (p != nullptr)
+    *p = d->p;
+
+  if (q != nullptr)
+    *q = d->q;
+
+  if (g != nullptr)
+    *g = d->g;
+}
+
+inline void RSA_set_flags(RSA *r, int flags)
+{
+  r->flags |= flags;
+}
+
+inline int RSA_set0_key(RSA *rsa, BIGNUM *n, BIGNUM *e, BIGNUM *d)
+{
+  if ((rsa->n == nullptr && n == nullptr)
+      || (rsa->e == nullptr && e == nullptr))
+    return 0;
+
+  if (n != nullptr)
+    {
+      BN_free(rsa->n);
+      rsa->n = n;
+    }
+
+  if (e != nullptr)
+    {
+      BN_free(rsa->e);
+      rsa->e = e;
+    }
+
+  if (d != nullptr)
+    {
+      BN_free(rsa->d);
+      rsa->d = d;
+    }
+
+  return 1;
+}
+
+inline void RSA_get0_key(const RSA *rsa, const BIGNUM **n, const BIGNUM **e, const BIGNUM **d)
+{
+  if (n != nullptr)
+    *n = rsa->n;
+
+  if (e != nullptr)
+    *e = rsa->e;
+
+  if (d != nullptr)
+    *d = rsa->d;
+}
+
+/* Renamed in OpenSSL 1.1 */
+#define X509_get0_pubkey X509_get_pubkey
+#define RSA_F_RSA_OSSL_PRIVATE_ENCRYPT RSA_F_RSA_EAY_PRIVATE_ENCRYPT
+#endif
+
+#if OPENSSL_VERSION_NUMBER < 0x10101000L
+#include <openssl/rsa.h>
+#include <openssl/dsa.h>
+
+inline const BIGNUM *RSA_get0_n(const RSA *r)
+{
+    const BIGNUM *n;
+    RSA_get0_key(r, &n, nullptr, nullptr);
+    return n;
+}
+
+inline const BIGNUM *RSA_get0_e(const RSA *r)
+{
+    const BIGNUM *e;
+    RSA_get0_key(r, nullptr, &e, nullptr);
+    return e;
+}
+
+inline const BIGNUM *DSA_get0_p(const DSA *d)
+{
+    const BIGNUM *p;
+    DSA_get0_pqg(d, &p, nullptr, nullptr);
+    return p;
+}
+#endif
\ No newline at end of file
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/crypto/cipher.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/crypto/cipher.hpp
index b90dd6b..0b60952 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/crypto/cipher.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/crypto/cipher.hpp
@@ -74,8 +74,9 @@ namespace openvpn {
 	if (!(mode == ENCRYPT || mode == DECRYPT))
 	  throw openssl_cipher_mode_error();
 	erase();
-	EVP_CIPHER_CTX_init (&ctx);
-	if (!EVP_CipherInit_ex (&ctx, cipher_type(alg), nullptr, key, nullptr, mode))
+	ctx = EVP_CIPHER_CTX_new ();
+	EVP_CIPHER_CTX_init (ctx);
+	if (!EVP_CipherInit_ex (ctx, cipher_type(alg), nullptr, key, nullptr, mode))
 	  {
 	    openssl_clear_error_stack();
 	    throw openssl_cipher_error("EVP_CipherInit_ex (init)");
@@ -86,7 +87,7 @@ namespace openvpn {
       void reset(const unsigned char *iv)
       {
 	check_initialized();
-	if (!EVP_CipherInit_ex (&ctx, nullptr, nullptr, nullptr, iv, -1))
+	if (!EVP_CipherInit_ex (ctx, nullptr, nullptr, nullptr, iv, -1))
 	  {
 	    openssl_clear_error_stack();
 	    throw openssl_cipher_error("EVP_CipherInit_ex (reset)");
@@ -99,7 +100,7 @@ namespace openvpn {
       {
 	check_initialized();
 	int outlen;
-	if (EVP_CipherUpdate (&ctx, out, &outlen, in, int(in_size)))
+	if (EVP_CipherUpdate (ctx, out, &outlen, in, int(in_size)))
 	  {
 	    out_acc += outlen;
 	    return true;
@@ -115,7 +116,7 @@ namespace openvpn {
       {
 	check_initialized();
 	int outlen;
-	if (EVP_CipherFinal_ex (&ctx, out, &outlen))
+	if (EVP_CipherFinal_ex (ctx, out, &outlen))
 	  {
 	    out_acc += outlen;
 	    return true;
@@ -132,20 +133,20 @@ namespace openvpn {
       size_t iv_length() const
       {
 	check_initialized();
-	return EVP_CIPHER_CTX_iv_length (&ctx);
+	return EVP_CIPHER_CTX_iv_length (ctx);
       }
 
       size_t block_size() const
       {
 	check_initialized();
-	return EVP_CIPHER_CTX_block_size (&ctx);
+	return EVP_CIPHER_CTX_block_size (ctx);
       }
 
       // return cipher mode (such as CIPH_CBC_MODE, etc.)
       int cipher_mode() const
       {
 	check_initialized();
-	return EVP_CIPHER_CTX_mode (&ctx);  
+	return EVP_CIPHER_CTX_mode (ctx);
       }
 
     private:
@@ -176,7 +177,8 @@ namespace openvpn {
       {
 	if (initialized)
 	  {
-	    EVP_CIPHER_CTX_cleanup(&ctx);
+	    EVP_CIPHER_CTX_cleanup(ctx);
+	    EVP_CIPHER_CTX_free (ctx);
 	    initialized = false;
 	  }
       }
@@ -190,7 +192,7 @@ namespace openvpn {
       }
 
       bool initialized;
-      EVP_CIPHER_CTX ctx;
+      EVP_CIPHER_CTX* ctx;
     };
   }
 }
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/crypto/ciphergcm.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/crypto/ciphergcm.hpp
index ebd8de2..cabb136 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/crypto/ciphergcm.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/crypto/ciphergcm.hpp
@@ -77,18 +77,19 @@ namespace openvpn {
 	const EVP_CIPHER *ciph = cipher_type(alg, ckeysz);
 	if (ckeysz > keysize)
 	  throw openssl_gcm_error("insufficient key material");
-	EVP_CIPHER_CTX_init(&ctx);
+	ctx = EVP_CIPHER_CTX_new();
+	EVP_CIPHER_CTX_init(ctx);
 	switch (mode)
 	  {
 	  case ENCRYPT:
-	    if (!EVP_EncryptInit_ex(&ctx, ciph, nullptr, key, nullptr))
+	    if (!EVP_EncryptInit_ex(ctx, ciph, nullptr, key, nullptr))
 	      {
 		openssl_clear_error_stack();
 		throw openssl_gcm_error("EVP_EncryptInit_ex (init)");
 	      }
 	    break;
 	  case DECRYPT:
-	    if (!EVP_DecryptInit_ex(&ctx, ciph, nullptr, key, nullptr))
+	    if (!EVP_DecryptInit_ex(ctx, ciph, nullptr, key, nullptr))
 	      {
 		openssl_clear_error_stack();
 		throw openssl_gcm_error("EVP_DecryptInit_ex (init)");
@@ -97,7 +98,7 @@ namespace openvpn {
 	  default:
 	    throw openssl_gcm_error("bad mode");
 	  }
-	if (EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_SET_IVLEN, IV_LEN, nullptr) != 1)
+	if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_IVLEN, IV_LEN, nullptr) != 1)
 	  {
 	    openssl_clear_error_stack();
 	    throw openssl_gcm_error("EVP_CIPHER_CTX_ctrl set IV len");
@@ -117,23 +118,23 @@ namespace openvpn {
 	int ciphertext_len;
 
 	check_initialized();
-	if (!EVP_EncryptInit_ex(&ctx, nullptr, nullptr, nullptr, iv))
+	if (!EVP_EncryptInit_ex(ctx, nullptr, nullptr, nullptr, iv))
 	  {
 	    openssl_clear_error_stack();
 	    throw openssl_gcm_error("EVP_EncryptInit_ex (reset)");
 	  }
-	if (!EVP_EncryptUpdate(&ctx, nullptr, &len, ad, int(ad_len)))
+	if (!EVP_EncryptUpdate(ctx, nullptr, &len, ad, int(ad_len)))
 	  {
 	    openssl_clear_error_stack();
 	    throw openssl_gcm_error("EVP_EncryptUpdate AD");
 	  }
-	if (!EVP_EncryptUpdate(&ctx, output, &len, input, int(length)))
+	if (!EVP_EncryptUpdate(ctx, output, &len, input, int(length)))
 	  {
 	    openssl_clear_error_stack();
 	    throw openssl_gcm_error("EVP_EncryptUpdate data");
 	  }
 	ciphertext_len = len;
-	if (!EVP_EncryptFinal_ex(&ctx, output+len, &len))
+	if (!EVP_EncryptFinal_ex(ctx, output+len, &len))
 	  {
 	    openssl_clear_error_stack();
 	    throw openssl_gcm_error("EVP_EncryptFinal_ex");
@@ -143,7 +144,7 @@ namespace openvpn {
 	  {
 	    throw openssl_gcm_error("encrypt size inconsistency");
 	  }
-	if (!EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_GET_TAG, AUTH_TAG_LEN, tag))
+	if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_GET_TAG, AUTH_TAG_LEN, tag))
 	  {
 	    openssl_clear_error_stack();
 	    throw openssl_gcm_error("EVP_CIPHER_CTX_ctrl get tag");
@@ -162,28 +163,28 @@ namespace openvpn {
 	int plaintext_len;
 
 	check_initialized();
-	if (!EVP_DecryptInit_ex(&ctx, nullptr, nullptr, nullptr, iv))
+	if (!EVP_DecryptInit_ex(ctx, nullptr, nullptr, nullptr, iv))
 	  {
 	    openssl_clear_error_stack();
 	    throw openssl_gcm_error("EVP_DecryptInit_ex (reset)");
 	  }
-	if (!EVP_DecryptUpdate(&ctx, nullptr, &len, ad, int(ad_len)))
+	if (!EVP_DecryptUpdate(ctx, nullptr, &len, ad, int(ad_len)))
 	  {
 	    openssl_clear_error_stack();
 	    throw openssl_gcm_error("EVP_DecryptUpdate AD");
 	  }
-	if (!EVP_DecryptUpdate(&ctx, output, &len, input, int(length)))
+	if (!EVP_DecryptUpdate(ctx, output, &len, input, int(length)))
 	  {
 	    openssl_clear_error_stack();
 	    throw openssl_gcm_error("EVP_DecryptUpdate data");
 	  }
 	plaintext_len = len;
-	if (!EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_SET_TAG, AUTH_TAG_LEN, tag))
+	if (!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_TAG, AUTH_TAG_LEN, tag))
 	  {
 	    openssl_clear_error_stack();
 	    throw openssl_gcm_error("EVP_CIPHER_CTX_ctrl set tag");
 	  }
-	if (!EVP_DecryptFinal_ex(&ctx, output+len, &len))
+	if (!EVP_DecryptFinal_ex(ctx, output+len, &len))
 	  {
 	    openssl_clear_error_stack();
 	    return false;
@@ -222,7 +223,7 @@ namespace openvpn {
       {
 	if (initialized)
 	  {
-	    EVP_CIPHER_CTX_cleanup(&ctx);
+	    EVP_CIPHER_CTX_cleanup(ctx);
 	    initialized = false;
 	  }
       }
@@ -234,7 +235,7 @@ namespace openvpn {
       }
 
       bool initialized;
-      EVP_CIPHER_CTX ctx;
+      EVP_CIPHER_CTX *ctx;
     };
   }
 }
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/crypto/digest.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/crypto/digest.hpp
index a6d4db1..d58733d 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/crypto/digest.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/crypto/digest.hpp
@@ -39,6 +39,8 @@
 #include <openvpn/crypto/cryptoalgs.hpp>
 #include <openvpn/openssl/util/error.hpp>
 
+#include <openvpn/openssl/compat.hpp>
+
 namespace openvpn {
   namespace OpenSSLCrypto {
     class HMACContext;
@@ -74,7 +76,8 @@ namespace openvpn {
       void init(const CryptoAlgs::Type alg)
       {
 	erase();
-	if (!EVP_DigestInit(&ctx, digest_type(alg)))
+	ctx=EVP_MD_CTX_new ();
+	if (!EVP_DigestInit(ctx, digest_type(alg)))
 	  {
 	    openssl_clear_error_stack();
 	    throw openssl_digest_error("EVP_DigestInit");
@@ -85,7 +88,7 @@ namespace openvpn {
       void update(const unsigned char *in, const size_t size)
       {
 	check_initialized();
-	if (!EVP_DigestUpdate(&ctx, in, int(size)))
+	if (!EVP_DigestUpdate(ctx, in, int(size)))
 	  {
 	    openssl_clear_error_stack();
 	    throw openssl_digest_error("EVP_DigestUpdate");
@@ -96,7 +99,7 @@ namespace openvpn {
       {
 	check_initialized();
 	unsigned int outlen;
-	if (!EVP_DigestFinal(&ctx, out, &outlen))
+	if (!EVP_DigestFinal(ctx, out, &outlen))
 	  {
 	    openssl_clear_error_stack();
 	    throw openssl_digest_error("EVP_DigestFinal");
@@ -107,7 +110,7 @@ namespace openvpn {
       size_t size() const
       {
 	check_initialized();
-	return EVP_MD_CTX_size(&ctx);
+	return EVP_MD_CTX_size(ctx);
       }
 
       bool is_initialized() const { return initialized; }
@@ -140,7 +143,10 @@ namespace openvpn {
       {
 	if (initialized)
 	  {
-	    EVP_MD_CTX_cleanup(&ctx);
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+	    EVP_MD_CTX_cleanup(ctx);
+#endif
+	    EVP_MD_CTX_free(ctx);
 	    initialized = false;
 	  }
       }
@@ -154,7 +160,7 @@ namespace openvpn {
       }
 
       bool initialized;
-      EVP_MD_CTX ctx;
+      EVP_MD_CTX *ctx;
     };
   }
 }
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/crypto/hmac.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/crypto/hmac.hpp
index db93b5f..0bcdea7 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/crypto/hmac.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/crypto/hmac.hpp
@@ -31,6 +31,8 @@
 #include <openvpn/common/exception.hpp>
 #include <openvpn/openssl/crypto/digest.hpp>
 
+#include <openvpn/openssl/compat.hpp>
+
 namespace openvpn {
   namespace OpenSSLCrypto {
     class HMACContext
@@ -62,60 +64,45 @@ namespace openvpn {
       void init(const CryptoAlgs::Type digest, const unsigned char *key, const size_t key_size)
       {
 	erase();
-	HMAC_CTX_init (&ctx);
-#if SSLEAY_VERSION_NUMBER >= 0x10000000L
-	if (!HMAC_Init_ex (&ctx, key, int(key_size), DigestContext::digest_type(digest), nullptr))
+	ctx = HMAC_CTX_new ();
+	if (!HMAC_Init_ex (ctx, key, int(key_size), DigestContext::digest_type(digest), nullptr))
 	  {
 	    openssl_clear_error_stack();
 	    throw openssl_hmac_error("HMAC_Init_ex (init)");
 	  }
-#else
-	HMAC_Init_ex (&ctx, key, int(key_size), DigestContext::digest_type(digest), nullptr);
-#endif
 	initialized = true;
       }
 
       void reset()
       {
 	check_initialized();
-#if SSLEAY_VERSION_NUMBER >= 0x10000000L
-	if (!HMAC_Init_ex (&ctx, nullptr, 0, nullptr, nullptr))
+	if (!HMAC_Init_ex (ctx, nullptr, 0, nullptr, nullptr))
 	  {
 	    openssl_clear_error_stack();
 	    throw openssl_hmac_error("HMAC_Init_ex (reset)");
 	  }
-#else
-	HMAC_Init_ex (&ctx, nullptr, 0, nullptr, nullptr);
-#endif
       }
 
       void update(const unsigned char *in, const size_t size)
       {
 	check_initialized();
-#if SSLEAY_VERSION_NUMBER >= 0x10000000L
-	if (!HMAC_Update(&ctx, in, int(size)))
+
+	if (!HMAC_Update(ctx, in, int(size)))
 	  {
 	    openssl_clear_error_stack();
 	    throw openssl_hmac_error("HMAC_Update");
 	  }
-#else
-	HMAC_Update(&ctx, in, int(size));
-#endif
       }
 
       size_t final(unsigned char *out)
       {
 	check_initialized();
 	unsigned int outlen;
-#if SSLEAY_VERSION_NUMBER >= 0x10000000L
-	if (!HMAC_Final(&ctx, out, &outlen))
+	if (!HMAC_Final(ctx, out, &outlen))
 	  {
 	    openssl_clear_error_stack();
 	    throw openssl_hmac_error("HMAC_Final");
 	  }
-#else
-	HMAC_Final(&ctx, out, &outlen);
-#endif
 	return outlen;
       }
 
@@ -132,14 +119,16 @@ namespace openvpn {
       {
 	if (initialized)
 	  {
-	    HMAC_CTX_cleanup(&ctx);
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#endif
+	    HMAC_CTX_free(ctx);
 	    initialized = false;
 	  }
       }
 
       size_t size_() const
       {
-	return HMAC_size(&ctx);
+	return HMAC_size(ctx);
       }
 
       void check_initialized() const
@@ -151,7 +140,7 @@ namespace openvpn {
       }
 
       bool initialized;
-      HMAC_CTX ctx;
+      HMAC_CTX* ctx;
     };
   }
 }
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/ssl/sess_cache.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/ssl/sess_cache.hpp
new file mode 100644
index 0000000..58e2e94
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/ssl/sess_cache.hpp
@@ -0,0 +1,186 @@
+//    OpenVPN -- An application to securely tunnel IP networks
+//               over a single port, with support for SSL/TLS-based
+//               session authentication and key exchange,
+//               packet encryption, packet authentication, and
+//               packet compression.
+//
+//    Copyright (C) 2012-2017 OpenVPN Inc.
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Affero General Public License Version 3
+//    as published by the Free Software Foundation.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Affero General Public License for more details.
+//
+//    You should have received a copy of the GNU Affero General Public License
+//    along with this program in the COPYING file.
+//    If not, see <http://www.gnu.org/licenses/>.
+
+#pragma once
+
+#include <string>
+#include <map>
+#include <set>
+#include <tuple>
+#include <memory>
+#include <utility>
+
+#include <openssl/ssl.h>
+
+#include <openvpn/common/rc.hpp>
+#include <openvpn/common/msfind.hpp>
+
+namespace openvpn {
+
+  // Client-side session cache.
+  // (We don't cache server-side sessions because we use TLS
+  // session resumption tickets which are stateless on the server).
+  class OpenSSLSessionCache : public RC<thread_unsafe_refcount>
+  {
+  public:
+    typedef RCPtr<OpenSSLSessionCache> Ptr;
+
+      OPENVPN_EXCEPTION(openssl_sess_cache_error);
+
+    // Wrapper for OpenSSL SSL_SESSION pointers that manages reference counts.
+    class Session
+    {
+    public:
+      Session(::SSL_SESSION* sess) // caller must pre-increment refcount on sess
+	: sess_(sess)
+      {
+      }
+
+      Session(Session&& other) noexcept
+      {
+	sess_ = other.sess_;
+	other.sess_ = nullptr;
+      }
+
+      Session& operator=(Session&& other) noexcept
+      {
+	if (sess_)
+	  ::SSL_SESSION_free(sess_);
+	sess_ = other.sess_;
+	other.sess_ = nullptr;
+	return *this;
+      }
+
+      ::SSL_SESSION* openssl_session() const
+      {
+	return sess_;
+      }
+
+      bool operator<(const Session& rhs) const // used when Session is a std::set key
+      {
+	return sess_ < rhs.sess_;
+      }
+
+      explicit operator bool() const
+      {
+	return sess_ != nullptr;
+      }
+
+      ~Session()
+      {
+	if (sess_)
+	  ::SSL_SESSION_free(sess_);
+      }
+
+    private:
+      // These methods are deleted because we have no way to increment
+      // an SSL_SESSION refcount until OpenSSL 1.1.
+      Session(const Session&) = delete;
+      Session& operator=(const Session&) = delete;
+
+      ::SSL_SESSION* sess_;
+    };
+
+    class Key
+    {
+    public:
+      typedef std::unique_ptr<Key> UPtr;
+
+      Key(const std::string& key_arg,
+	  OpenSSLSessionCache::Ptr cache_arg)
+	: key(key_arg),
+	  cache(std::move(cache_arg))
+      {
+	//OPENVPN_LOG("OpenSSLSessionCache::Key CONSTRUCT key=" << key);
+      }
+
+      void commit(::SSL_SESSION* sess)
+      {
+	if (!sess)
+	  return;
+	auto mi = MSF::find(cache->map, key);
+	if (mi)
+	  {
+	    /* auto ins = */ mi->second.emplace(sess);
+	    //OPENVPN_LOG("OpenSSLSessionCache::Key::commit ADD=" << ins.second << " key=" << key);
+	  }
+	else
+	  {
+	    //OPENVPN_LOG("OpenSSLSessionCache::Key::commit CREATE key=" << key);
+	    auto ins = cache->map.emplace(std::piecewise_construct,
+					  std::forward_as_tuple(key),
+					  std::forward_as_tuple());
+	    ins.first->second.emplace(sess);
+	  }
+      }
+
+    private:
+      const std::string key;
+      OpenSSLSessionCache::Ptr cache;
+    };
+
+    // Remove a session from the map after calling func() on it.
+    // This would be a lot cleaner if we had C++17 std::set::extract().
+    template <typename FUNC>
+    void extract(const std::string& key, FUNC func)
+    {
+      auto mi = MSF::find(map, key);
+      if (mi)
+	{
+	  //OPENVPN_LOG("OpenSSLSessionCache::Key::lookup EXISTS key=" << key);
+	  SessionSet& ss = mi->second;
+	  if (ss.empty())
+	    throw openssl_sess_cache_error("internal error: SessionSet is empty");
+	  auto ssi = ss.begin();
+	  try {
+	    func(ssi->openssl_session());
+	  }
+	  catch (...)
+	    {
+	      remove_session(mi, ss, ssi);
+	      throw;
+	    }
+	  remove_session(mi, ss, ssi);
+	}
+      else
+	{
+	  //OPENVPN_LOG("OpenSSLSessionCache::Key::lookup NOT_FOUND key=" << key);
+	}
+    }
+
+  private:
+    struct SessionSet : public std::set<Session>
+    {
+    };
+
+    typedef std::map<std::string, SessionSet> Map;
+
+    void remove_session(Map::iterator mi, SessionSet& ss, SessionSet::iterator ssi)
+    {
+      ss.erase(ssi);
+      if (ss.empty())
+	map.erase(mi);
+    }
+
+    Map map;
+  };
+
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/ssl/sslctx.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/ssl/sslctx.hpp
index 678f331..adf1db7 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/ssl/sslctx.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/ssl/sslctx.hpp
@@ -32,6 +32,8 @@
 
 #include <openssl/ssl.h>
 #include <openssl/x509v3.h>
+#include <openssl/rsa.h>
+#include <openssl/rand.h>
 
 #include <openvpn/common/size.hpp>
 #include <openvpn/common/exception.hpp>
@@ -60,6 +62,7 @@
 #include <openvpn/openssl/pki/dh.hpp>
 #include <openvpn/openssl/pki/x509store.hpp>
 #include <openvpn/openssl/bio/bio_memq_stream.hpp>
+#include <openvpn/openssl/ssl/sess_cache.hpp>
 
 // An SSL Context is essentially a configuration that can be used
 // to generate an arbitrary number of actual SSL connections objects.
@@ -89,16 +92,6 @@ namespace openvpn {
     public:
       typedef RCPtr<Config> Ptr;
 
-      Config() : external_pki(nullptr),
-		 ssl_debug_level(0),
-		 flags(0),
-		 ns_cert_type(NSCert::NONE),
-		 tls_version_min(TLSVersion::UNDEF),
-		 tls_cert_profile(TLSCertProfile::UNDEF),
-		 local_cert_enabled(true),
-		 force_aes_cbc_ciphersuites(false),
-		 enable_renegotiation(false) {}
-
       virtual SSLFactoryAPI::Ptr new_factory()
       {
 	return SSLFactoryAPI::Ptr(new OpenSSLContext(this));
@@ -120,6 +113,18 @@ namespace openvpn {
 	external_pki = external_pki_arg;
       }
 
+      // server side
+      virtual void set_session_ticket_handler(TLSSessionTicketBase* session_ticket_handler_arg)
+      {
+	session_ticket_handler = session_ticket_handler_arg;
+      }
+
+      // client side
+      virtual void set_client_session_tickets(const bool v)
+      {
+	client_session_tickets = v;
+      }
+
       virtual void set_private_key_password(const std::string& pwd)
       {
 	pkey.set_private_key_password(pwd);
@@ -259,11 +264,6 @@ namespace openvpn {
 	local_cert_enabled = v;
       }
 
-      virtual void set_enable_renegotiation(const bool v)
-      {
-	enable_renegotiation = v;
-      }
-
       virtual void set_force_aes_cbc_ciphersuites(const bool v)
       {
 	force_aes_cbc_ciphersuites = v;
@@ -407,20 +407,21 @@ namespace openvpn {
       OpenSSLPKI::X509List extra_certs; // from OpenVPN "extra-certs" option
       OpenSSLPKI::PKey pkey;            // private key
       OpenSSLPKI::DH dh;                // diffie-hellman parameters (only needed in server mode)
-      ExternalPKIBase* external_pki;
+      ExternalPKIBase* external_pki = nullptr;
+      TLSSessionTicketBase* session_ticket_handler = nullptr; // server side only
       Frame::Ptr frame;
-      int ssl_debug_level;
-      unsigned int flags;           // defined in sslconsts.hpp
-      NSCert::Type ns_cert_type;
+      int ssl_debug_level = 0;
+      unsigned int flags = 0;           // defined in sslconsts.hpp
+      NSCert::Type ns_cert_type{NSCert::NONE};
       std::vector<unsigned int> ku; // if defined, peer cert X509 key usage must match one of these values
       std::string eku;              // if defined, peer cert X509 extended key usage must match this OID/string
       std::string tls_remote;
-      TLSVersion::Type tls_version_min; // minimum TLS version that we will negotiate
-      TLSCertProfile::Type tls_cert_profile;
+      TLSVersion::Type tls_version_min{TLSVersion::UNDEF}; // minimum TLS version that we will negotiate
+      TLSCertProfile::Type tls_cert_profile{TLSCertProfile::UNDEF};
       X509Track::ConfigSet x509_track_config;
-      bool local_cert_enabled;
-      bool force_aes_cbc_ciphersuites;
-      bool enable_renegotiation;
+      bool local_cert_enabled = true;
+      bool force_aes_cbc_ciphersuites = false;
+      bool client_session_tickets = false;
     };
 
     // Represents an actual SSL session.
@@ -445,7 +446,10 @@ namespace openvpn {
 	    if (status == -1 && BIO_should_retry(ssl_bio))
 	      return SSLConst::SHOULD_RETRY;
 	    else
-	      OPENVPN_THROW(OpenSSLException, "OpenSSLContext::SSL::write_cleartext: BIO_write failed, size=" << size << " status=" << status);
+	      {
+		mark_no_cache();
+		OPENVPN_THROW(OpenSSLException, "OpenSSLContext::SSL::write_cleartext: BIO_write failed, size=" << size << " status=" << status);
+	      }
 	  }
 	else
 	  return status;
@@ -461,7 +465,10 @@ namespace openvpn {
 		if (status == -1 && BIO_should_retry(ssl_bio))
 		  return SSLConst::SHOULD_RETRY;
 		else
-		  OPENVPN_THROW(OpenSSLException, "OpenSSLContext::SSL::read_cleartext: BIO_read failed, cap=" << capacity << " status=" << status);
+		  {
+		    mark_no_cache();
+		    OPENVPN_THROW(OpenSSLException, "OpenSSLContext::SSL::read_cleartext: BIO_read failed, cap=" << capacity << " status=" << status);
+		  }
 	      }
 	    else
 	      return status;
@@ -508,11 +515,31 @@ namespace openvpn {
 	return ssl_handshake_details(ssl);
       }
 
-      virtual const AuthCert::Ptr& auth_cert() const
+      // Return true if we did a full SSL handshake/negotiation.
+      // Return false for cached, reused, or persisted sessions.
+      // Also returns false if previously called on this session.
+      virtual bool did_full_handshake() override
       {
+	if (called_did_full_handshake)
+	  return false;
+	called_did_full_handshake = true;
+	return !SSL_session_reused(ssl);
+      }
+
+      virtual const AuthCert::Ptr& auth_cert()
+      {
+	// Reused sessions don't call the cert verify callbacks,
+	// so we must use an alternative method to build authcert.
+	if (authcert && authcert->is_uninitialized())
+	  rebuild_authcert();
 	return authcert;
       }
 
+      virtual void mark_no_cache()
+      {
+	sess_cache_key.reset();
+      }
+
       ~SSL()
       {
 	ssl_erase();
@@ -520,26 +547,39 @@ namespace openvpn {
 
       static void init_static()
       {
-	SSL_library_init();
+	bmq_stream::init_static();
 
 	mydata_index = SSL_get_ex_new_index(0, (char *)"OpenSSLContext::SSL", nullptr, nullptr, nullptr);
+	context_data_index = SSL_get_ex_new_index(0, (char *)"OpenSSLContext", nullptr, nullptr, nullptr);
 
-	// We actually override some of the OpenSSL SSLv23 methods here,
-	// in particular the ssl_pending method.  We want ssl_pending
-	// to return 0 until the SSL negotiation establishes the
-	// actual method.  The default OpenSSL SSLv23 ssl_pending method
-	// (ssl_undefined_const_function) triggers an OpenSSL error condition
-	// which is not what we want.
+	/*
+	 * We actually override some of the OpenSSL SSLv23 methods here,
+	 * in particular the ssl_pending method.  We want ssl_pending
+	 * to return 0 until the SSL negotiation establishes the
+	 * actual method.  The default OpenSSL SSLv23 ssl_pending method
+	 * (ssl_undefined_const_function) triggers an OpenSSL error condition
+	 * when calling SSL_pending early which is not what we want.
+	 *
+	 * This depends on SSL23 being a generic method and OpenSSL later
+	 * switching to a spefic TLS method (TLS10method etc..) with
+	 * ssl23_get_client_method that has the proper ssl3_pending pending method.
+	 *
+	 * OpenSSL 1.1.x does not allow hacks like this anymore. So overriding is not
+	 * possible. Fortunately OpenSSL 1.1 also always defines ssl_pending method to
+	 * be ssl3_pending, so this hack is no longer needed.
+	 */
 
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
 	ssl23_method_client_ = *SSLv23_client_method();
 	ssl23_method_client_.ssl_pending = ssl_pending_override;
 
 	ssl23_method_server_ = *SSLv23_server_method();
 	ssl23_method_server_.ssl_pending = ssl_pending_override;
+#endif
       }
 
     private:
-      SSL(const OpenSSLContext& ctx, const char *hostname)
+      SSL(const OpenSSLContext& ctx, const std::string* hostname, const std::string* cache_key)
       {
 	ssl_clear();
 	try {
@@ -556,7 +596,7 @@ namespace openvpn {
 	    {
 	      X509_VERIFY_PARAM *param = SSL_get0_param(ssl);
 	      X509_VERIFY_PARAM_set_hostflags(param, 0);
-	      X509_VERIFY_PARAM_set1_host(param, hostname, 0);
+	      X509_VERIFY_PARAM_set1_host(param, hostname->c_str(), 0);
 	    }
 
 	  // init BIOs
@@ -576,6 +616,17 @@ namespace openvpn {
 	    }
 	  else if (ctx.config->mode.is_client())
 	    {
+	      if (cache_key && ctx.sess_cache)
+		{
+		  // see if a cached session already exists for our cache_key
+		  ctx.sess_cache->extract(*cache_key, [this](SSL_SESSION* sess) {
+		      if (!SSL_set_session(ssl, sess))
+			throw OpenSSLException("SSL_set_session failed");
+		    });
+
+		  // cache the session before its end-of-life if no errors occur
+		  sess_cache_key.reset(new OpenSSLSessionCache::Key(*cache_key, ctx.sess_cache));
+		}
 	      SSL_set_connect_state(ssl);
 	      if (ctx.config->flags & SSLConst::ENABLE_SNI)
 		if (SSL_set_tlsext_host_name(ssl, hostname) != 1)
@@ -591,7 +642,10 @@ namespace openvpn {
 
 	  if (mydata_index < 0)
 	    throw ssl_context_error("OpenSSLContext::SSL: mydata_index is uninitialized");
+	  if (context_data_index < 0)
+	    throw ssl_context_error("OpenSSLContext::SSL: context_data_index is uninitialized");
 	  SSL_set_ex_data (ssl, mydata_index, this);
+	  SSL_set_ex_data (ssl, context_data_index, (void*) &ctx);
 	}
 	catch (...)
 	  {
@@ -600,6 +654,29 @@ namespace openvpn {
 	  }
       }
 
+      void rebuild_authcert()
+      {
+	authcert.reset(new AuthCert());
+	::X509 *cert = SSL_get_peer_certificate(ssl);
+	if (cert)
+	  {
+	    // save the issuer cert fingerprint
+	    static_assert(sizeof(AuthCert::issuer_fp) == SHA_DIGEST_LENGTH, "size inconsistency");
+
+	    unsigned int md_len = sizeof(AuthCert::issuer_fp);
+	    X509_digest (cert, EVP_sha1 (), authcert->issuer_fp, &md_len);
+
+	    // save the Common Name
+	    authcert->cn = x509_get_field(cert, NID_commonName);
+
+	    // save the leaf cert serial number
+	    const ASN1_INTEGER *ai = X509_get_serialNumber(cert);
+	    authcert->sn = ai ? ASN1_INTEGER_get(ai) : -1;
+
+	    X509_free (cert);
+	  }
+      }
+
       // Indicate no data available for our custom SSLv23 method
       static int ssl_pending_override(const ::SSL *)
       {
@@ -607,12 +684,15 @@ namespace openvpn {
       }
 
       // Print a one line summary of SSL/TLS session handshake.
-      static std::string ssl_handshake_details (const ::SSL *c_ssl)
+      static std::string ssl_handshake_details (::SSL *c_ssl)
       {
 	std::ostringstream os;
 
+	os << SSL_get_version (c_ssl);
+
 	const SSL_CIPHER *ciph = SSL_get_current_cipher (c_ssl);
-	os << SSL_get_version (c_ssl) << ", cipher " << SSL_CIPHER_get_version (ciph) << ' ' << SSL_CIPHER_get_name (ciph);
+	if (ciph)
+	  os << ", cipher " << SSL_CIPHER_get_version (ciph) << ' ' << SSL_CIPHER_get_name (ciph);
 
 	::X509 *cert = SSL_get_peer_certificate (c_ssl);
 	if (cert != nullptr)
@@ -620,16 +700,18 @@ namespace openvpn {
 	    EVP_PKEY *pkey = X509_get_pubkey (cert);
 	    if (pkey != nullptr)
 	      {
-		if (pkey->type == EVP_PKEY_RSA && pkey->pkey.rsa != nullptr && pkey->pkey.rsa->n != nullptr)
-		  os << ", " << BN_num_bits (pkey->pkey.rsa->n) << " bit RSA";
+		if (EVP_PKEY_id (pkey) == EVP_PKEY_RSA && EVP_PKEY_get0_RSA (pkey) != nullptr && RSA_get0_n(EVP_PKEY_get0_RSA (pkey)) != nullptr)
+		  os << ", " << BN_num_bits (RSA_get0_n(EVP_PKEY_get0_RSA (pkey))) << " bit RSA";
 #ifndef OPENSSL_NO_DSA
-		else if (pkey->type == EVP_PKEY_DSA && pkey->pkey.dsa != nullptr && pkey->pkey.dsa->p != nullptr)
-		  os << ", " << BN_num_bits (pkey->pkey.dsa->p) << " bit DSA";
+		else if (EVP_PKEY_id (pkey) == EVP_PKEY_DSA && EVP_PKEY_get0_DSA (pkey) != nullptr && DSA_get0_p(EVP_PKEY_get0_DSA (pkey))!= nullptr)
+		  os << ", " << BN_num_bits (DSA_get0_p(EVP_PKEY_get0_DSA (pkey))) << " bit DSA";
 #endif
 		EVP_PKEY_free (pkey);
 	      }
 	    X509_free (cert);
 	  }
+	if (SSL_session_reused(c_ssl))
+	  os << " [REUSED]";
 	return os.str();
       }
 
@@ -641,6 +723,8 @@ namespace openvpn {
 	ct_in = nullptr;
 	ct_out = nullptr;
 	overflow = false;
+	called_did_full_handshake = false;
+	sess_cache_key.reset();
       }
 
       void ssl_erase()
@@ -655,7 +739,14 @@ namespace openvpn {
 	if (ssl_bio)
 	  BIO_free_all(ssl_bio);
 	if (ssl)
-	  SSL_free(ssl);
+	  {
+	    if (sess_cache_key)
+	      {
+		SSL_set_shutdown(ssl, SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
+		sess_cache_key->commit(SSL_get1_session(ssl));
+	      }
+	    SSL_free(ssl);
+	  }
 	openssl_clear_error_stack();
 	ssl_clear();
       }
@@ -669,35 +760,51 @@ namespace openvpn {
 	return bio;
       }
 
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
       /*
        * Return modified OpenSSL SSLv23 methods,
        * as configured in init_static().
        */
 
-      static const SSL_METHOD* ssl23_method_client()
+      static const SSL_METHOD* tls_method_client()
       {
 	return &ssl23_method_client_;
       }
 
-      static const SSL_METHOD* ssl23_method_server()
+      static const SSL_METHOD* tls_method_server()
       {
 	return &ssl23_method_server_;
       }
+#else
+      static const SSL_METHOD* tls_method_client ()
+      {
+        return TLS_client_method ();
+      }
 
+      static const SSL_METHOD* tls_method_server ()
+      {
+        return TLS_server_method ();
+      }
+#endif
       ::SSL *ssl;	   // OpenSSL SSL object
       BIO *ssl_bio;        // read/write cleartext from here
       BIO *ct_in;          // write ciphertext to here
       BIO *ct_out;         // read ciphertext from here
       AuthCert::Ptr authcert;
+      OpenSSLSessionCache::Key::UPtr sess_cache_key; // client-side only
       bool ssl_bio_linkage;
       bool overflow;
+      bool called_did_full_handshake;
 
       // Helps us to store pointer to self in ::SSL object
       static int mydata_index;
+      static int context_data_index;
 
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
       // Modified SSLv23 methods
       static SSL_METHOD ssl23_method_client_;
       static SSL_METHOD ssl23_method_server_;
+#endif
     };
 
   private:
@@ -707,22 +814,20 @@ namespace openvpn {
 	: external_pki(external_pki_arg), n_errors(0)
       {
 	RSA *rsa = nullptr;
-	RSA_METHOD *rsa_meth = nullptr;
-	RSA *pub_rsa = nullptr;
+        RSA *pub_rsa = nullptr;
+        RSA_METHOD *rsa_meth = nullptr;
 	const char *errtext = "";
 
 	/* allocate custom RSA method object */
-	rsa_meth = new RSA_METHOD;
-	std::memset(rsa_meth, 0, sizeof(RSA_METHOD));
-	rsa_meth->name = "OpenSSLContext::ExternalPKIImpl private key RSA Method";
-	rsa_meth->rsa_pub_enc = rsa_pub_enc;
-	rsa_meth->rsa_pub_dec = rsa_pub_dec;
-	rsa_meth->rsa_priv_enc = rsa_priv_enc;
-	rsa_meth->rsa_priv_dec = rsa_priv_dec;
-	rsa_meth->init = nullptr;
-	rsa_meth->finish = rsa_finish;
-	rsa_meth->flags = RSA_METHOD_FLAG_NO_CHECK;
-	rsa_meth->app_data = (char *)this;
+	rsa_meth = RSA_meth_new ("OpenSSLContext::ExternalPKIImpl private key RSA Method", RSA_METHOD_FLAG_NO_CHECK);
+
+	RSA_meth_set_pub_enc (rsa_meth, rsa_pub_enc);
+	RSA_meth_set_pub_dec (rsa_meth, rsa_pub_dec);
+	RSA_meth_set_priv_enc (rsa_meth, rsa_priv_enc);
+	RSA_meth_set_priv_dec (rsa_meth, rsa_priv_dec);
+	RSA_meth_set_init (rsa_meth, nullptr);
+	RSA_meth_set_finish (rsa_meth, rsa_finish);
+	RSA_meth_set0_app_data (rsa_meth, this);
 
 	/* allocate RSA object */
 	rsa = RSA_new();
@@ -734,16 +839,26 @@ namespace openvpn {
 	  }
 
 	/* get the public key */
-	if (cert->cert_info->key->pkey == nullptr) /* nullptr before SSL_CTX_use_certificate() is called */
+	if (X509_get0_pubkey(cert) == nullptr) /* nullptr before SSL_CTX_use_certificate() is called */
 	  {
 	    errtext = "pkey is NULL";
 	    goto err;
 	  }
-	pub_rsa = cert->cert_info->key->pkey->pkey.rsa;
+
+	if (EVP_PKEY_id (X509_get0_pubkey(cert)) != EVP_PKEY_RSA )
+	  {
+	    errtext = "pkey is not RSA";
+	    goto err;
+	  }
+	pub_rsa = EVP_PKEY_get0_RSA (X509_get0_pubkey(cert));
 
 	/* initialize RSA object */
-	rsa->n = BN_dup(pub_rsa->n);
-	rsa->flags |= RSA_FLAG_EXT_PKEY;
+	rsa = RSA_new ();
+
+	/* only set e and n as d (private key) is outside our control */
+	RSA_set0_key(rsa, BN_dup(RSA_get0_n(pub_rsa)), BN_dup(RSA_get0_e(pub_rsa)), nullptr);
+	RSA_set_flags (rsa, RSA_FLAG_EXT_PKEY);
+
 	if (!RSA_set_method(rsa, rsa_meth))
 	  {
 	    errtext = "RSA_set_method";
@@ -766,7 +881,7 @@ namespace openvpn {
 	else
 	  {
 	    if (rsa_meth)
-	      free(rsa_meth);
+	      RSA_meth_free (rsa_meth);
 	  }
 	OPENVPN_THROW(OpenSSLException, "OpenSSLContext::ExternalPKIImpl: " << errtext);
       }
@@ -779,21 +894,29 @@ namespace openvpn {
       /* called at RSA_free */
       static int rsa_finish(RSA *rsa)
       {
-	free ((void*)rsa->meth);
-	rsa->meth = nullptr;
+	RSA_meth_free (const_cast<RSA_METHOD*>(RSA_get_method (rsa)));
 	return 1;
       }
 
       /* sign arbitrary data */
       static int rsa_priv_enc(int flen, const unsigned char *from, unsigned char *to, RSA *rsa, int padding)
       {
-	ExternalPKIImpl* self = (ExternalPKIImpl*)rsa->meth->app_data;
+	ExternalPKIImpl* self = (ExternalPKIImpl*)(RSA_meth_get0_app_data (RSA_get_method(rsa)));
 
 	try {
-	  if (padding != RSA_PKCS1_PADDING)
+	  if (padding != RSA_PKCS1_PADDING && padding != RSA_NO_PADDING)
 	    {
-	      RSAerr (RSA_F_RSA_EAY_PRIVATE_ENCRYPT, RSA_R_UNKNOWN_PADDING_TYPE);
-	      throw ssl_external_pki("OpenSSL: bad padding size");
+	      RSAerr (RSA_F_RSA_OSSL_PRIVATE_ENCRYPT, RSA_R_UNKNOWN_PADDING_TYPE);
+	      throw ssl_external_pki("OpenSSL: bad padding type");
+	    }
+	  std::string padding_algo;
+	  if (padding == RSA_PKCS1_PADDING)
+	    {
+	      padding_algo = "RSA_PKCS1_PADDING";
+	    }
+          else if (padding == RSA_NO_PADDING)
+	    {
+	      padding_algo = "RSA_NO_PADDING";
 	    }
 
 	  /* convert 'from' to base64 */
@@ -802,7 +925,7 @@ namespace openvpn {
 
 	  /* get signature */
 	  std::string sig_b64;
-	  const bool status = self->external_pki->sign(from_b64, sig_b64);
+	  const bool status = self->external_pki->sign(from_b64, sig_b64, padding_algo);
 	  if (!status)
 	    throw ssl_external_pki("OpenSSL: could not obtain signature");
 
@@ -828,7 +951,7 @@ namespace openvpn {
 
       static void not_implemented(RSA *rsa)
       {
-	ExternalPKIImpl* self = (ExternalPKIImpl*)rsa->meth->app_data;
+	ExternalPKIImpl* self = (ExternalPKIImpl*)(RSA_meth_get0_app_data (RSA_get_method (rsa)));
 	++self->n_errors;
       }
 
@@ -862,17 +985,14 @@ namespace openvpn {
     /////// start of main class implementation
 
     OpenSSLContext(Config* config_arg)
-      : config(config_arg),
-	ctx(nullptr),
-	epki(nullptr)
+      : config(config_arg)
     {
       try
 	{
 	  // Create new SSL_CTX for server or client mode
-	  const bool ssl23 = (!config->force_aes_cbc_ciphersuites || (config->tls_version_min > TLSVersion::UNDEF));
 	  if (config->mode.is_server())
 	    {
-	      ctx = SSL_CTX_new(ssl23 ? SSL::ssl23_method_server() : TLSv1_server_method());
+	      ctx = SSL_CTX_new(SSL::tls_method_server());
 	      if (ctx == nullptr)
 		throw OpenSSLException("OpenSSLContext: SSL_CTX_new failed for server method");
 
@@ -881,48 +1001,84 @@ namespace openvpn {
 		OPENVPN_THROW(ssl_context_error, "OpenSSLContext: DH not defined");
 	      if (!SSL_CTX_set_tmp_dh(ctx, config->dh.obj()))
 		throw OpenSSLException("OpenSSLContext: SSL_CTX_set_tmp_dh failed");
-	      if (config->enable_renegotiation)
-		SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_SERVER);
 	      if (config->flags & SSLConst::SERVER_TO_SERVER)
 		SSL_CTX_set_purpose(ctx, X509_PURPOSE_SSL_SERVER);
 	    }
 	  else if (config->mode.is_client())
 	    {
-	      ctx = SSL_CTX_new(ssl23 ? SSL::ssl23_method_client() : TLSv1_client_method());
+	      ctx = SSL_CTX_new(SSL::tls_method_client());
 	      if (ctx == nullptr)
 		throw OpenSSLException("OpenSSLContext: SSL_CTX_new failed for client method");
-	      if (config->enable_renegotiation)
-		SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT); // note: SSL_set_session must be called as well
 	    }
 	  else
 	    OPENVPN_THROW(ssl_context_error, "OpenSSLContext: unknown config->mode");
 
 	  // Set SSL options
-	  if (!config->enable_renegotiation)
-	    SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
 	  if (!(config->flags & SSLConst::NO_VERIFY_PEER))
 	    {
-	      SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
+	      int vf = SSL_VERIFY_PEER;
+	      if (!(config->flags & SSLConst::PEER_CERT_OPTIONAL))
+		vf |= SSL_VERIFY_FAIL_IF_NO_PEER_CERT;
+	      SSL_CTX_set_verify(ctx, vf,
 				 config->mode.is_client() ? verify_callback_client : verify_callback_server);
 	      SSL_CTX_set_verify_depth(ctx, 16);
 	    }
+
 	  long sslopt = SSL_OP_SINGLE_DH_USE | SSL_OP_SINGLE_ECDH_USE | SSL_OP_NO_COMPRESSION;
-	  if (!config->enable_renegotiation)
-	    sslopt |= SSL_OP_NO_TICKET;
-	  if (ssl23)
+
+	  /* Disable SSLv2 and SSLv3, might be a noop but does not hurt */
+	  sslopt |= SSL_OP_NO_SSLv2;
+	  sslopt |= SSL_OP_NO_SSLv3;
+
+	  if (config->mode.is_server())
 	    {
-	      sslopt |= SSL_OP_NO_SSLv2;
-	      sslopt |= SSL_OP_NO_SSLv3;
-	      if (config->tls_version_min > TLSVersion::V1_0)
-		sslopt |= SSL_OP_NO_TLSv1;
-#            ifdef SSL_OP_NO_TLSv1_1
-	      if (config->tls_version_min > TLSVersion::V1_1)
-		sslopt |= SSL_OP_NO_TLSv1_1;
-#            endif
-#            ifdef SSL_OP_NO_TLSv1_2
-	      if (config->tls_version_min > TLSVersion::V1_2)
-		sslopt |= SSL_OP_NO_TLSv1_2;
-#            endif
+	      SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
+	      if (config->session_ticket_handler)
+		{
+		  const std::string sess_id_context = config->session_ticket_handler->session_id_context();
+		  if (!SSL_CTX_set_session_id_context(ctx, (unsigned char *)sess_id_context.c_str(), sess_id_context.length()))
+		    throw OpenSSLException("OpenSSLContext: SSL_CTX_set_session_id_context failed");
+
+		  if (!SSL_CTX_set_tlsext_ticket_key_cb(ctx, tls_ticket_key_callback))
+		    throw OpenSSLException("OpenSSLContext: SSL_CTX_set_tlsext_ticket_key_cb failed");
+		}
+	      else
+		sslopt |= SSL_OP_NO_TICKET;
+	    }
+	  else
+	    {
+	      if (config->client_session_tickets)
+		{
+		  SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT);
+		  sess_cache.reset(new OpenSSLSessionCache);
+		}
+	      else
+		{
+		  SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
+		  sslopt |= SSL_OP_NO_TICKET;
+		}
+	    }
+
+	  /* mbed TLS also ignores tls version when force aes cbc cipher suites is on */
+	  if (!config->force_aes_cbc_ciphersuites)
+	    {
+	      if (!config->force_aes_cbc_ciphersuites || config->tls_version_min > TLSVersion::UNDEF)
+		{
+		  if (config->tls_version_min > TLSVersion::V1_0)
+		    sslopt |= SSL_OP_NO_TLSv1;
+#                 ifdef SSL_OP_NO_TLSv1_1
+		    if (config->tls_version_min > TLSVersion::V1_1)
+		      sslopt |= SSL_OP_NO_TLSv1_1;
+#                 endif
+#                 ifdef SSL_OP_NO_TLSv1_2
+		    if (config->tls_version_min > TLSVersion::V1_2)
+		      sslopt |= SSL_OP_NO_TLSv1_2;
+#                 endif
+#                 ifdef SSL_OP_NO_TLSv1_3
+		    if (config->tls_version_min > TLSVersion::V1_3)
+		      sslopt |= SSL_OP_NO_TLSv1_3;
+#                 endif
+		}
 	    }
 	  SSL_CTX_set_options(ctx, sslopt);
 
@@ -933,10 +1089,27 @@ namespace openvpn {
 	    }
 	  else
 	    {
-	      if (!SSL_CTX_set_cipher_list(ctx, "DEFAULT:!EXP:!PSK:!SRP:!LOW:!RC4:!kRSA:!MD5:!SSLv2"))
-		OPENVPN_THROW(ssl_context_error, "OpenSSLContext: SSL_CTX_set_cipher_list failed");
-#if OPENSSL_VERSION_NUMBER >= 0x10002000L
-	      SSL_CTX_set_ecdh_auto(ctx, 1);
+	      if (!SSL_CTX_set_cipher_list(ctx,
+					   /* default list as a basis */
+					   "DEFAULT"
+					   /* Disable export ciphers, low and medium */
+					   ":!EXP:!LOW:!MEDIUM"
+					   /* Disable static (EC)DH keys (no forward secrecy) */
+					   ":!kDH:!kECDH"
+					   /* Disable DSA private keys */
+					   ":!DSS"
+					   /* Disable RC4 cipher */
+					   ":!RC4"
+					   /* Disable MD5 */
+					   ":!MD5"
+					   /* Disable unsupported TLS modes */
+					   ":!PSK:!SRP:!kRSA"
+					   /* Disable SSLv2 cipher suites*/
+					   ":!SSLv2"
+					   ))
+		  OPENVPN_THROW(ssl_context_error, "OpenSSLContext: SSL_CTX_set_cipher_list failed");
+#if OPENSSL_VERSION_NUMBER >= 0x10002000L && OPENSSL_VERSION_NUMBER < 0x10100000L
+	      SSL_CTX_set_ecdh_auto(ctx, 1); // this method becomes a no-op in OpenSSL 1.1
 #endif
 	    }
 
@@ -1019,9 +1192,6 @@ namespace openvpn {
 	  else if (!(config->flags & SSLConst::NO_VERIFY_PEER))
 	    OPENVPN_THROW(ssl_context_error, "OpenSSLContext: CA not defined");
 
-	  // keep a reference to this in ctx, for use by verify callback
-	  ctx->app_verify_arg = this;
-
 	  // Show handshake debugging info
 	  if (config->ssl_debug_level)
 	    SSL_CTX_set_info_callback (ctx, info_callback);
@@ -1037,13 +1207,13 @@ namespace openvpn {
     // create a new SSL instance
     virtual SSLAPI::Ptr ssl()
     {
-      return SSL::Ptr(new SSL(*this, nullptr));
+      return SSL::Ptr(new SSL(*this, nullptr, nullptr));
     }
 
     // like ssl() above but verify hostname against cert CommonName and/or SubjectAltName
-    virtual SSLAPI::Ptr ssl(const std::string& hostname)
+    virtual SSLAPI::Ptr ssl(const std::string* hostname, const std::string* cache_key)
     {
-      return SSL::Ptr(new SSL(*this, hostname.c_str()));
+      return SSL::Ptr(new SSL(*this, hostname, cache_key));
     }
 
     void update_trust(const CertCRLList& cc)
@@ -1070,12 +1240,12 @@ namespace openvpn {
       return config->ns_cert_type != NSCert::NONE;
     }
 
-    bool verify_ns_cert_type(const ::X509* cert) const
+    bool verify_ns_cert_type(::X509* cert) const
     {
       if (config->ns_cert_type == NSCert::SERVER)
-	return (cert->ex_flags & EXFLAG_NSCERT) && (cert->ex_nscert & NS_SSL_SERVER);
+	return X509_check_purpose (cert, X509_PURPOSE_SSL_SERVER, 0);
       else if (config->ns_cert_type == NSCert::CLIENT)
-	return (cert->ex_flags & EXFLAG_NSCERT) && (cert->ex_nscert & NS_SSL_CLIENT);
+	return X509_check_purpose (cert, X509_PURPOSE_SSL_CLIENT, 0);
       else
 	return true;
     }
@@ -1285,9 +1455,14 @@ namespace openvpn {
 				   x509_get_serial_hex(cert));
 		  break;
 		case X509Track::SHA1:
-		  xts.emplace_back(X509Track::SHA1,
-				   depth,
-				   render_hex_sep(cert->sha1_hash, SHA_DIGEST_LENGTH, ':', true));
+		  {
+		    unsigned char buf[EVP_MAX_MD_SIZE];
+		    unsigned int len = EVP_MAX_MD_SIZE;
+		    X509_digest (cert, EVP_sha1 (), buf, &len);
+		    xts.emplace_back (X509Track::SHA1,
+				      depth,
+				      render_hex_sep (buf, len, ':', true));
+		  }
 		  break;
 		case X509Track::CN:
 		  x509_track_extract_nid(X509Track::CN, NID_commonName, cert, depth, xts);
@@ -1363,13 +1538,16 @@ namespace openvpn {
       ::SSL* ssl = (::SSL*) X509_STORE_CTX_get_ex_data (ctx, SSL_get_ex_data_X509_STORE_CTX_idx());
 
       // get OpenSSLContext
-      const OpenSSLContext* self = (OpenSSLContext*) ssl->ctx->app_verify_arg;
+      const OpenSSLContext* self = (OpenSSLContext*) SSL_get_ex_data (ssl, SSL::context_data_index);
 
       // get depth
       const int depth = X509_STORE_CTX_get_error_depth(ctx);
 
+      // get current certificate
+      X509* current_cert = X509_STORE_CTX_get_current_cert (ctx);
+
       // log subject
-      const std::string subject = x509_get_subject(ctx->current_cert);
+      const std::string subject = x509_get_subject(current_cert);
       if (self->config->flags & SSLConst::LOG_VERIFY_STATUS)
 	OPENVPN_LOG_SSL(cert_status_line(preverify_ok, depth, X509_STORE_CTX_get_error(ctx), subject));
 
@@ -1377,21 +1555,21 @@ namespace openvpn {
       if (depth == 0)
 	{
 	  // verify ns-cert-type
-	  if (self->ns_cert_type_defined() && !self->verify_ns_cert_type(ctx->current_cert))
+	  if (self->ns_cert_type_defined() && !self->verify_ns_cert_type(current_cert))
 	    {
 	      OPENVPN_LOG_SSL("VERIFY FAIL -- bad ns-cert-type in leaf certificate");
 	      preverify_ok = false;
 	    }
 
 	  // verify X509 key usage
-	  if (self->x509_cert_ku_defined() && !self->verify_x509_cert_ku(ctx->current_cert))
+	  if (self->x509_cert_ku_defined() && !self->verify_x509_cert_ku(current_cert))
 	    {
 	      OPENVPN_LOG_SSL("VERIFY FAIL -- bad X509 key usage in leaf certificate");
 	      preverify_ok = false;
 	    }
 
 	  // verify X509 extended key usage
-	  if (self->x509_cert_eku_defined() && !self->verify_x509_cert_eku(ctx->current_cert))
+	  if (self->x509_cert_eku_defined() && !self->verify_x509_cert_eku(current_cert))
 	    {
 	      OPENVPN_LOG_SSL("VERIFY FAIL -- bad X509 extended key usage in leaf certificate");
 	      preverify_ok = false;
@@ -1401,7 +1579,7 @@ namespace openvpn {
 	  if (!self->config->tls_remote.empty())
 	    {
 	      const std::string subj = TLSRemote::sanitize_x509_name(subject);
-	      const std::string common_name = TLSRemote::sanitize_common_name(x509_get_field(ctx->current_cert, NID_commonName));
+	      const std::string common_name = TLSRemote::sanitize_common_name(x509_get_field(current_cert, NID_commonName));
 	      TLSRemote::log(self->config->tls_remote, subj, common_name);
 	      if (!TLSRemote::test(self->config->tls_remote, subj, common_name))
 		{
@@ -1420,7 +1598,7 @@ namespace openvpn {
       ::SSL* ssl = (::SSL*) X509_STORE_CTX_get_ex_data (ctx, SSL_get_ex_data_X509_STORE_CTX_idx());
 
       // get OpenSSLContext
-      const OpenSSLContext* self = (OpenSSLContext*) ssl->ctx->app_verify_arg;
+      const OpenSSLContext* self = (OpenSSLContext*) SSL_get_ex_data (ssl, SSL::context_data_index);
 
       // get OpenSSLContext::SSL
       SSL* self_ssl = (SSL *) SSL_get_ex_data (ssl, SSL::mydata_index);
@@ -1431,9 +1609,12 @@ namespace openvpn {
       // get depth
       const int depth = X509_STORE_CTX_get_error_depth(ctx);
 
+      // get current certificate
+      X509* current_cert = X509_STORE_CTX_get_current_cert (ctx);
+
       // log subject
       if (self->config->flags & SSLConst::LOG_VERIFY_STATUS)
-	OPENVPN_LOG_SSL(cert_status_line(preverify_ok, depth, err, x509_get_subject(ctx->current_cert)));
+	OPENVPN_LOG_SSL(cert_status_line(preverify_ok, depth, err, x509_get_subject(current_cert)));
 
       // record cert error in authcert
       if (!preverify_ok && self_ssl->authcert)
@@ -1445,13 +1626,15 @@ namespace openvpn {
 	  if (self_ssl->authcert)
 	    {
 	      static_assert(sizeof(AuthCert::issuer_fp) == SHA_DIGEST_LENGTH, "size inconsistency");
-	      std::memcpy(self_ssl->authcert->issuer_fp, ctx->current_cert->sha1_hash, sizeof(AuthCert::issuer_fp));
+	      unsigned int digest_len = sizeof(AuthCert::issuer_fp);
+	      if (!X509_digest (current_cert, EVP_sha1 (), self_ssl->authcert->issuer_fp, &digest_len))
+	        preverify_ok = false;
 	    }
 	}
       else if (depth == 0) // leaf cert
 	{
 	  // verify ns-cert-type
-	  if (self->ns_cert_type_defined() && !self->verify_ns_cert_type(ctx->current_cert))
+	  if (self->ns_cert_type_defined() && !self->verify_ns_cert_type(current_cert))
 	    {
 	      OPENVPN_LOG_SSL("VERIFY FAIL -- bad ns-cert-type in leaf certificate");
 	      if (self_ssl->authcert)
@@ -1460,7 +1643,7 @@ namespace openvpn {
 	    }
 
 	  // verify X509 key usage
-	  if (self->x509_cert_ku_defined() && !self->verify_x509_cert_ku(ctx->current_cert))
+	  if (self->x509_cert_ku_defined() && !self->verify_x509_cert_ku(current_cert))
 	    {
 	      OPENVPN_LOG_SSL("VERIFY FAIL -- bad X509 key usage in leaf certificate");
 	      if (self_ssl->authcert)
@@ -1469,7 +1652,7 @@ namespace openvpn {
 	    }
 
 	  // verify X509 extended key usage
-	  if (self->x509_cert_eku_defined() && !self->verify_x509_cert_eku(ctx->current_cert))
+	  if (self->x509_cert_eku_defined() && !self->verify_x509_cert_eku(current_cert))
 	    {
 	      OPENVPN_LOG_SSL("VERIFY FAIL -- bad X509 extended key usage in leaf certificate");
 	      if (self_ssl->authcert)
@@ -1480,17 +1663,17 @@ namespace openvpn {
 	  if (self_ssl->authcert)
 	    {
 	      // save the Common Name
-	      self_ssl->authcert->cn = x509_get_field(ctx->current_cert, NID_commonName);
+	      self_ssl->authcert->cn = x509_get_field(current_cert, NID_commonName);
 
 	      // save the leaf cert serial number
-	      const ASN1_INTEGER *ai = X509_get_serialNumber(ctx->current_cert);
+	      const ASN1_INTEGER *ai = X509_get_serialNumber(current_cert);
 	      self_ssl->authcert->sn = ai ? ASN1_INTEGER_get(ai) : -1;
 	    }
 	}
 
       // x509-track enabled?
       if (self_ssl->authcert && self_ssl->authcert->x509_track)
-	x509_track_extract_from_cert(ctx->current_cert,
+	x509_track_extract_from_cert(current_cert,
 				     depth,
 				     self->config->x509_track_config,
 				     *self_ssl->authcert->x509_track);
@@ -1513,6 +1696,116 @@ namespace openvpn {
 	}
     }
 
+    static int tls_ticket_key_callback(::SSL *ssl,
+				       unsigned char key_name[16],
+				       unsigned char iv[EVP_MAX_IV_LENGTH],
+				       ::EVP_CIPHER_CTX *ctx,
+				       ::HMAC_CTX *hctx,
+				       int enc)
+    {
+      // get OpenSSLContext
+      const OpenSSLContext* self = (OpenSSLContext*) SSL_get_ex_data (ssl, SSL::context_data_index);
+      if (!self)
+	return -1;
+
+      // get user-defined session ticket handler
+      TLSSessionTicketBase* t = self->config->session_ticket_handler;
+      if (!t)
+	return -1;
+
+      if (enc)
+	{
+	  // create new ticket
+	  TLSSessionTicketBase::Name name;
+	  TLSSessionTicketBase::Key key;
+
+	  switch (t->create_session_ticket_key(name, key))
+	    {
+	    case TLSSessionTicketBase::NO_TICKET:
+	    case TLSSessionTicketBase::TICKET_EXPIRING: // doesn't really make sense for enc==1?
+	      // NOTE: OpenSSL may segfault on a zero return.
+	      // This appears to be fixed by:
+              // commit dbdb96617cce2bd4356d57f53ecc327d0e31f2ad
+              // Author: Todd Short <tshort@akamai.com>
+              // Date:   Thu May 12 18:16:52 2016 -0400
+              // Fix session ticket and SNI
+	      //OPENVPN_LOG("tls_ticket_key_callback: create: no ticket or expiring ticket");
+#if OPENSSL_VERSION_NUMBER < 0x1000212fL // 1.0.2r
+	      if (!randomize_name_key(name, key))
+		return -1;
+	      // fallthrough
+#else
+	      return 0;
+#endif
+	    case TLSSessionTicketBase::TICKET_AVAILABLE:
+	      if (!RAND_bytes(iv, EVP_MAX_IV_LENGTH))
+		return -1;
+	      if (!tls_ticket_init_cipher_hmac(key, iv, ctx, hctx, enc))
+		return -1;
+	      static_assert(TLSSessionTicketBase::Name::SIZE == 16, "unexpected name size");
+	      std::memcpy(key_name, name.value_, TLSSessionTicketBase::Name::SIZE);
+	      //OPENVPN_LOG("tls_ticket_key_callback: created ticket");
+	      return 1;
+	    default:
+	      //OPENVPN_LOG("tls_ticket_key_callback: create: bad ticket");
+	      return -1;
+	    }
+	}
+      else
+	{
+	  // lookup existing ticket
+	  static_assert(TLSSessionTicketBase::Name::SIZE == 16, "unexpected name size");
+	  const TLSSessionTicketBase::Name name(key_name);
+	  TLSSessionTicketBase::Key key;
+
+	  switch (t->lookup_session_ticket_key(name, key))
+	    {
+	    case TLSSessionTicketBase::TICKET_AVAILABLE:
+	      if (!tls_ticket_init_cipher_hmac(key, iv, ctx, hctx, enc))
+		return -1;
+	      //OPENVPN_LOG("tls_ticket_key_callback: found ticket");
+	      return 1;
+	    case TLSSessionTicketBase::TICKET_EXPIRING:
+	      if (!tls_ticket_init_cipher_hmac(key, iv, ctx, hctx, enc))
+		return -1;
+	      //OPENVPN_LOG("tls_ticket_key_callback: expiring ticket");
+	      return 2;
+	    case TLSSessionTicketBase::NO_TICKET:
+	      //OPENVPN_LOG("tls_ticket_key_callback: lookup: no ticket");
+	      return 0;
+	    default:
+	      //OPENVPN_LOG("tls_ticket_key_callback: lookup: bad ticket");
+	      return -1;
+	    }
+	}
+    }
+
+    static bool tls_ticket_init_cipher_hmac(const TLSSessionTicketBase::Key& key,
+					    unsigned char iv[EVP_MAX_IV_LENGTH],
+					    ::EVP_CIPHER_CTX *ctx,
+					    ::HMAC_CTX *hctx,
+					    const int enc)
+    {
+      static_assert(TLSSessionTicketBase::Key::CIPHER_KEY_SIZE == 32, "unexpected cipher key size");
+      if (!EVP_CipherInit_ex(ctx, EVP_aes_256_cbc(), nullptr, key.cipher_value_, iv, enc))
+	return false;
+      if (!HMAC_Init_ex(hctx, key.hmac_value_, TLSSessionTicketBase::Key::HMAC_KEY_SIZE, EVP_sha256(), nullptr))
+	return false;
+      return true;
+    }
+
+    static bool randomize_name_key(TLSSessionTicketBase::Name& name,
+				   TLSSessionTicketBase::Key& key)
+    {
+      if (!RAND_bytes(name.value_, TLSSessionTicketBase::Name::SIZE))
+	return false;
+      if (!RAND_bytes(key.cipher_value_, TLSSessionTicketBase::Key::CIPHER_KEY_SIZE))
+	return false;
+      if (!RAND_bytes(key.hmac_value_, TLSSessionTicketBase::Key::HMAC_KEY_SIZE))
+	return false;
+      return true;
+    }
+
     void erase()
     {
       if (epki)
@@ -1528,14 +1821,18 @@ namespace openvpn {
     }
 
     Config::Ptr config;
-    SSL_CTX* ctx;
-    ExternalPKIImpl* epki;
+    SSL_CTX* ctx = nullptr;
+    ExternalPKIImpl* epki = nullptr;
+    OpenSSLSessionCache::Ptr sess_cache; // client-side only
   };
 
   int OpenSSLContext::SSL::mydata_index = -1;
+  int OpenSSLContext::SSL::context_data_index = -1;
 
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
   SSL_METHOD OpenSSLContext::SSL::ssl23_method_client_;
   SSL_METHOD OpenSSLContext::SSL::ssl23_method_server_;
+#endif
 }
 
 #endif
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/util/tokenencrypt.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/util/tokenencrypt.hpp
index a9432a7..41ab797 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/util/tokenencrypt.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/openssl/util/tokenencrypt.hpp
@@ -35,6 +35,8 @@
 #include <openvpn/random/randapi.hpp>
 #include <openvpn/openssl/util/error.hpp>
 
+#include <openvpn/openssl/compat.hpp>
+
 namespace openvpn {
   class TokenEncrypt
   {
@@ -63,15 +65,17 @@ namespace openvpn {
 
     TokenEncrypt(const Key& key, const int mode)
     {
-      EVP_CIPHER_CTX_init(&ctx);
-      if (!EVP_CipherInit_ex(&ctx, EVP_aes_128_ecb(), nullptr, key.data, nullptr, mode))
+      ctx = EVP_CIPHER_CTX_new ();
+      EVP_CIPHER_CTX_init (ctx);
+      if (!EVP_CipherInit_ex(ctx, EVP_aes_128_ecb(), nullptr, key.data, nullptr, mode))
 	throw OpenSSLException("TokenEncrypt: EVP_CipherInit_ex[1] failed");
-      EVP_CIPHER_CTX_set_padding(&ctx, 0);
+      EVP_CIPHER_CTX_set_padding(ctx, 0);
     }
 
     ~TokenEncrypt()
     {
-      EVP_CIPHER_CTX_cleanup(&ctx);
+      EVP_CIPHER_CTX_cleanup(ctx);
+      EVP_CIPHER_CTX_free(ctx);
     }
 
     // Do the encrypt/decrypt
@@ -80,12 +84,12 @@ namespace openvpn {
       // NOTE: since this algorithm uses the ECB block cipher mode,
       // it should only be used to encrypt/decrypt a message which
       // is exactly equal to the AES block size (16 bytes).
-      if (size != EVP_CIPHER_CTX_block_size(&ctx))
+      if (size != EVP_CIPHER_CTX_block_size(ctx))
 	throw Exception("TokenEncrypt: encrypt/decrypt data must be equal to AES block size");
       int outlen=0;
-      if (!EVP_CipherInit_ex(&ctx, nullptr, nullptr, nullptr, nullptr, -1))
+      if (!EVP_CipherInit_ex(ctx, nullptr, nullptr, nullptr, nullptr, -1))
 	throw OpenSSLException("TokenEncrypt: EVP_CipherInit_ex[2] failed");
-      if (!EVP_CipherUpdate(&ctx, dest, &outlen, src, size))
+      if (!EVP_CipherUpdate(ctx, dest, &outlen, src, size))
 	throw OpenSSLException("TokenEncrypt: EVP_CipherUpdate failed");
       // NOTE: we skip EVP_CipherFinal_ex because we are running in ECB mode without padding
       if (outlen != size)
@@ -96,7 +100,7 @@ namespace openvpn {
     TokenEncrypt(const TokenEncrypt&) = delete;
     TokenEncrypt& operator=(const TokenEncrypt&) = delete;
 
-    EVP_CIPHER_CTX ctx;
+    EVP_CIPHER_CTX* ctx;
   };
 
   struct TokenEncryptDecrypt
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/options/merge.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/options/merge.hpp
index 1f59b6a..a1097cc 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/options/merge.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/options/merge.hpp
@@ -414,6 +414,10 @@ namespace openvpn {
 		  return true;
 		}
 	      return false;
+	    case 's':
+	      if (d == "static-key")
+		return true;
+	      return false;
 	    case 't':
 	      if (d == "tls-auth")
 		{
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/pki/epkibase.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/pki/epkibase.hpp
index 24d9010..b52a18a 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/pki/epkibase.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/pki/epkibase.hpp
@@ -33,7 +33,7 @@ namespace openvpn {
   public:
     // Sign data (base64) and return signature as sig (base64).
     // Return true on success or false on error.
-    virtual bool sign(const std::string& data, std::string& sig) = 0;
+    virtual bool sign(const std::string& data, std::string& sig, const std::string& algorithm) = 0;
 
     virtual ~ExternalPKIBase() {}
   };
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/server/listenlist.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/server/listenlist.hpp
index c8e6343..5ca6219 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/server/listenlist.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/server/listenlist.hpp
@@ -32,6 +32,7 @@
 #include <openvpn/common/hostport.hpp>
 #include <openvpn/common/number.hpp>
 #include <openvpn/common/string.hpp>
+#include <openvpn/common/format.hpp>
 #include <openvpn/common/to_string.hpp>
 #include <openvpn/addr/ip.hpp>
 #include <openvpn/transport/protocol.hpp>
@@ -85,7 +86,10 @@ namespace openvpn {
       Item port_offset(const unsigned int offset) const
       {
 	Item ret(*this);
-	ret.port = openvpn::to_string(HostPort::parse_port(ret.port, "offset") + offset);
+	if (ret.proto.is_unix()) // unix socket filenames should contain %s for "port" substitution
+	  ret.addr = printfmt(ret.addr, offset);
+	else
+	  ret.port = openvpn::to_string(HostPort::parse_port(ret.port, "offset") + offset);
 	ret.n_threads = 0;
 	return ret;
       }
@@ -297,7 +301,7 @@ namespace openvpn {
 	return std::string();
       }
 
-      List expand_ports(const size_t max_size) const
+      List expand_ports_by_n_threads(const size_t max_size) const
       {
 	List ret;
 	for (const auto &e : *this)
@@ -312,6 +316,14 @@ namespace openvpn {
 	return ret;
       }
 
+      List expand_ports_by_unit(const unsigned int unit) const
+      {
+	List ret;
+	for (const auto &e : *this)
+	  ret.emplace_back(e.port_offset(unit));
+	return ret;
+      }
+
     private:
       static bool match(const std::string& directive, const Option& o)
       {
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/server/manage.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/server/manage.hpp
index e6a0da7..fa34b3b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/server/manage.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/server/manage.hpp
@@ -127,6 +127,9 @@ namespace openvpn {
       // get client bandwidth stats
       virtual PeerStats stats_poll() = 0;
 
+      // return true if management layer should preserve session ID
+      virtual bool should_preserve_session_id() = 0;
+
       // get native reference to client instance
       virtual TunClientInstance::NativeHandle tun_native_handle() = 0;
     };
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/server/servproto.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/server/servproto.hpp
index e638610..5f85a9c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/server/servproto.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/server/servproto.hpp
@@ -162,6 +162,11 @@ namespace openvpn {
 	  return PeerStats();
       }
 
+      virtual bool should_preserve_session_id() override
+      {
+	return preserve_session_id;
+      }
+
       virtual void stop() override
       {
 	if (!halt)
@@ -454,6 +459,9 @@ namespace openvpn {
 	      os << reason;
 	    else
 	      os << "client was disconnected from server";
+	    disconnect_type = DT_HALT_RESTART;
+	    disconnect_in(Time::Duration::seconds(1));
+	    preserve_session_id = false;
 	    break;
 	  case HaltRestart::RESTART:
 	    ts = "RESTART";
@@ -462,6 +470,9 @@ namespace openvpn {
 	      os << reason;
 	    else
 	      os << "server requested a client reconnect";
+	    disconnect_type = DT_HALT_RESTART;
+	    disconnect_in(Time::Duration::seconds(1));
+	    preserve_session_id = false;
 	    break;
 	  case HaltRestart::RESTART_PASSIVE:
 	    ts = "RESTART_PASSIVE";
@@ -478,12 +489,17 @@ namespace openvpn {
 	      os << reason;
 	    else
 	      os << "server requested a client reconnect";
+	    disconnect_type = DT_HALT_RESTART;
+	    disconnect_in(Time::Duration::seconds(1));
 	    break;
 	  case HaltRestart::AUTH_FAILED:
 	    ts = "AUTH_FAILED";
 	    os << ts;
 	    if (tell_client && !reason.empty())
 	      os << ',' << reason;
+	    disconnect_type = DT_HALT_RESTART;
+	    disconnect_in(Time::Duration::seconds(1));
+	    preserve_session_id = false;
 	    break;
 	  case HaltRestart::RAW:
 	    {
@@ -493,18 +509,15 @@ namespace openvpn {
 	      else
 		ts = reason;
 	      os << reason;
+	      disconnect_type = DT_HALT_RESTART;
+	      disconnect_in(Time::Duration::seconds(1));
+	      preserve_session_id = false;
 	      break;
 	    }
 	  }
 
 	OPENVPN_LOG("Disconnect: " << ts << ' ' << reason);
 
-	if (type != HaltRestart::RESTART_PASSIVE)
-	  {
-	    disconnect_type = DT_HALT_RESTART;
-	    disconnect_in(Time::Duration::seconds(1));
-	  }
-
 	if (Base::primary_defined())
 	  {
 	    buf->null_terminate();
@@ -704,8 +717,6 @@ namespace openvpn {
 
       openvpn_io::io_context& io_context;
 
-      bool halt = false;
-
       // higher values are higher priority
       enum DisconnectType {
 	DT_NONE=0,
@@ -714,6 +725,9 @@ namespace openvpn {
 	DT_HALT_RESTART,
       };
       int disconnect_type = DT_NONE;
+      bool preserve_session_id = true;
+
+      bool halt = false;
 
       PeerAddr::Ptr peer_addr;
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/ssl/proto.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/ssl/proto.hpp
index 03d91e7..3cdd8e3 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/ssl/proto.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/ssl/proto.hpp
@@ -384,7 +384,7 @@ namespace openvpn {
 	  if (string::starts_with(dev_type, "tun"))
 	    layer = Layer(Layer::OSI_LAYER_3);
 	  else if (string::starts_with(dev_type, "tap"))
-	    layer = Layer(Layer::OSI_LAYER_2);
+	    throw proto_option_error("TAP mode is not supported");
 	  else
 	    throw proto_option_error("bad dev-type");
 	}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/ssl/sess_ticket.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/ssl/sess_ticket.hpp
new file mode 100644
index 0000000..bcb74a6
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/ssl/sess_ticket.hpp
@@ -0,0 +1,242 @@
+//    OpenVPN -- An application to securely tunnel IP networks
+//               over a single port, with support for SSL/TLS-based
+//               session authentication and key exchange,
+//               packet encryption, packet authentication, and
+//               packet compression.
+//
+//    Copyright (C) 2012-2019 OpenVPN Inc.
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Affero General Public License Version 3
+//    as published by the Free Software Foundation.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Affero General Public License for more details.
+//
+//    You should have received a copy of the GNU Affero General Public License
+//    along with this program in the COPYING file.
+//    If not, see <http://www.gnu.org/licenses/>.
+
+#pragma once
+
+#include <cstring>
+#include <memory>
+
+#include <openvpn/common/exception.hpp>
+#include <openvpn/common/hash.hpp>
+#include <openvpn/common/base64.hpp>
+#include <openvpn/common/string.hpp>
+#include <openvpn/buffer/buffer.hpp>
+#include <openvpn/random/randapi.hpp>
+
+namespace openvpn {
+
+  class OpenSSLContext;
+  class MbedTLSContext;
+
+  // Abstract base class used to provide an interface for TLS
+  // Session Ticket keying originally described by RFC 5077.
+  class TLSSessionTicketBase
+  {
+  public:
+    typedef std::unique_ptr<TLSSessionTicketBase> UPtr;
+
+    OPENVPN_EXCEPTION(sess_ticket_error);
+
+    enum Status {
+      NO_TICKET,
+      TICKET_AVAILABLE,
+      TICKET_EXPIRING,
+    };
+
+    class Name
+    {
+    public:
+      static constexpr size_t SIZE = 16;
+
+      explicit Name(RandomAPI& rng)
+      {
+	rng.rand_bytes(value_, SIZE);
+      }
+
+      explicit Name(const std::string& name_b64)
+      {
+	b64_to_key(name_b64, "key name", value_, SIZE);
+      }
+
+      explicit Name(const unsigned char name[SIZE])
+      {
+	std::memcpy(value_, name, SIZE);
+      }
+
+      bool operator==(const Name& rhs) const
+      {
+	return std::memcmp(value_, rhs.value_, SIZE) == 0;
+      }
+
+      bool operator!=(const Name& rhs) const
+      {
+	return std::memcmp(value_, rhs.value_, SIZE) != 0;
+      }
+
+      bool operator<(const Name& rhs) const
+      {
+	return std::memcmp(value_, rhs.value_, SIZE) < 0;
+      }
+
+      std::string to_string() const
+      {
+	return "TLSTicketName[" + b64() + ']';
+      }
+
+      std::string b64() const
+      {
+	return base64->encode(value_, SIZE);
+      }
+
+      template <typename HASH>
+      void hash(HASH& h) const
+      {
+	h(value_, SIZE);
+      }
+
+#ifdef HAVE_CITYHASH
+      std::size_t hashval() const
+      {
+	HashSizeT h;
+	hash(h);
+	return h.value();
+      }
+#endif
+
+    private:
+      // we need to friend SSL implementation classes
+      friend class OpenSSLContext;
+      friend class MbedTLSContext;
+
+      Name() {} // note that default constructor leaves object in an undefined state
+
+      unsigned char value_[SIZE];
+    };
+
+    class Key
+    {
+    public:
+      static constexpr size_t CIPHER_KEY_SIZE = 32;
+      static constexpr size_t HMAC_KEY_SIZE = 16;
+
+      explicit Key(RandomAPI& rng)
+      {
+	rng.assert_crypto();
+	rng.rand_bytes(cipher_value_, CIPHER_KEY_SIZE);
+	rng.rand_bytes(hmac_value_, HMAC_KEY_SIZE);
+      }
+
+      explicit Key(const std::string& cipher_key_b64, const std::string& hmac_key_b64)
+      {
+	b64_to_key(cipher_key_b64, "cipher key", cipher_value_, CIPHER_KEY_SIZE);
+	b64_to_key(hmac_key_b64, "hmac key", hmac_value_, HMAC_KEY_SIZE);
+      }
+
+      ~Key()
+      {
+	// wipe keys
+	std::memset(cipher_value_, 0, CIPHER_KEY_SIZE);
+	std::memset(hmac_value_, 0, HMAC_KEY_SIZE);
+      }
+
+      std::string to_string() const
+      {
+	return "TLSTicketKey[cipher=" + cipher_b64() + " hmac=" + hmac_b64() + ']';
+      }
+
+      std::string cipher_b64() const
+      {
+	return base64->encode(cipher_value_, CIPHER_KEY_SIZE);
+      }
+
+      std::string hmac_b64() const
+      {
+	return base64->encode(hmac_value_, HMAC_KEY_SIZE);
+      }
+
+      bool operator==(const Key& rhs) const
+      {
+	return std::memcmp(cipher_value_, rhs.cipher_value_, CIPHER_KEY_SIZE) == 0 && std::memcmp(hmac_value_, rhs.hmac_value_, HMAC_KEY_SIZE) == 0;
+      }
+
+      bool operator!=(const Key& rhs) const
+      {
+	return !operator==(rhs);
+      }
+
+      template <typename KEY_TRANSFORM>
+      void key_transform(KEY_TRANSFORM& t)
+      {
+	unsigned char out[KEY_TRANSFORM::MAX_HMAC_SIZE];
+
+	// cipher
+	{
+	  t.cipher_transform.reset();
+	  t.cipher_transform.update(cipher_value_, CIPHER_KEY_SIZE);
+	  const size_t size = t.cipher_transform.final(out);
+	  if (size < CIPHER_KEY_SIZE)
+	    throw sess_ticket_error("insufficient key material for cipher transform");
+	  std::memcpy(cipher_value_, out, CIPHER_KEY_SIZE);
+	}
+
+	// hmac
+	{
+	  t.hmac_transform.reset();
+	  t.hmac_transform.update(hmac_value_, HMAC_KEY_SIZE);
+	  const size_t size = t.hmac_transform.final(out);
+	  if (size < HMAC_KEY_SIZE)
+	    throw sess_ticket_error("insufficient key material for hmac transform");
+	  std::memcpy(hmac_value_, out, HMAC_KEY_SIZE);
+	}
+      }
+
+    private:
+      // we need to friend SSL implementation classes
+      friend class OpenSSLContext;
+      friend class MbedTLSContext;
+
+      Key() {} // note that default constructor leaves object in an undefined state
+
+      unsigned char cipher_value_[CIPHER_KEY_SIZE];
+      unsigned char hmac_value_[HMAC_KEY_SIZE];
+    };
+
+    // method returns name and key
+    virtual Status create_session_ticket_key(Name& name, Key& key) const = 0;
+
+    // method is given name and returns key
+    virtual Status lookup_session_ticket_key(const Name& name, Key& key) const = 0;
+
+    // return string that identifies the app
+    virtual std::string session_id_context() const = 0;
+
+    virtual ~TLSSessionTicketBase() {}
+
+  private:
+    static void b64_to_key(const std::string& b64, const char *title, unsigned char *out, const size_t outlen)
+    {
+      Buffer srcbuf(out, outlen, false);
+      try {
+	base64->decode(srcbuf, b64);
+      }
+      catch (const std::exception& e)
+	{
+	  throw sess_ticket_error(std::string("base64 decode for ") + title + ": " + std::string(e.what()));
+	}
+      if (srcbuf.size() != outlen)
+	throw sess_ticket_error(std::string("wrong input size for ") + title + ", actual=" + std::to_string(srcbuf.size()) + " expected=" + std::to_string(outlen));
+    }
+  };
+}
+
+#ifdef HAVE_CITYHASH
+OPENVPN_HASH_METHOD(openvpn::TLSSessionTicketBase::Name, hashval);
+#endif
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/ssl/sslapi.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/ssl/sslapi.hpp
index d1e0656..c207a91 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/ssl/sslapi.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/ssl/sslapi.hpp
@@ -41,6 +41,7 @@
 #include <openvpn/ssl/tlsver.hpp>
 #include <openvpn/ssl/tls_remote.hpp>
 #include <openvpn/ssl/tls_cert_profile.hpp>
+#include <openvpn/ssl/sess_ticket.hpp>
 #include <openvpn/random/randapi.hpp>
 
 namespace openvpn {
@@ -65,7 +66,9 @@ namespace openvpn {
     virtual bool read_ciphertext_ready() const = 0;
     virtual BufferPtr read_ciphertext() = 0;
     virtual std::string ssl_handshake_details() const = 0;
-    virtual const AuthCert::Ptr& auth_cert() const = 0;
+    virtual bool did_full_handshake() = 0;
+    virtual const AuthCert::Ptr& auth_cert() = 0;
+    virtual void mark_no_cache() = 0; // prevent caching of client-side session (only meaningful when client_session_tickets is enabled)
     uint32_t get_tls_warnings() const
     {
       return tls_warnings;
@@ -87,8 +90,9 @@ namespace openvpn {
     // create a new SSLAPI instance
     virtual SSLAPI::Ptr ssl() = 0;
 
-    // like ssl() above but verify hostname against cert CommonName and/or SubjectAltName
-    virtual SSLAPI::Ptr ssl(const std::string& hostname) = 0;
+    // like ssl() above but optionally verify hostname against cert CommonName and/or
+    // SubjectAltName, and optionally set/lookup a cache key for this session.
+    virtual SSLAPI::Ptr ssl(const std::string* hostname, const std::string* cache_key) = 0;
 
     // client or server?
     virtual const Mode& mode() const = 0;
@@ -140,6 +144,8 @@ namespace openvpn {
     virtual void set_mode(const Mode& mode_arg) = 0;
     virtual const Mode& get_mode() const = 0;
     virtual void set_external_pki_callback(ExternalPKIBase* external_pki_arg) = 0; // private key alternative
+    virtual void set_session_ticket_handler(TLSSessionTicketBase* session_ticket_handler) = 0; // server side
+    virtual void set_client_session_tickets(const bool v) = 0; // client side
     virtual void set_private_key_password(const std::string& pwd) = 0;
     virtual void load_ca(const std::string& ca_txt, bool strict) = 0;
     virtual void load_crl(const std::string& crl_txt) = 0;
@@ -166,7 +172,6 @@ namespace openvpn {
     virtual void set_tls_cert_profile(const TLSCertProfile::Type type) = 0;
     virtual void set_tls_cert_profile_override(const std::string& override) = 0;
     virtual void set_local_cert_enabled(const bool v) = 0;
-    virtual void set_enable_renegotiation(const bool v) = 0;
     virtual void set_force_aes_cbc_ciphersuites(const bool v) = 0;
     virtual void set_x509_track(X509Track::ConfigSet x509_track_config_arg) = 0;
     virtual void set_rng(const RandomAPI::Ptr& rng_arg) = 0;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/ssl/sslconsts.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/ssl/sslconsts.hpp
index a35f671..88bab41 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/ssl/sslconsts.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/ssl/sslconsts.hpp
@@ -58,8 +58,11 @@ namespace openvpn {
       // purpose set to server.
       SERVER_TO_SERVER=(1<<4),
 
+      // Peer certificate is optional
+      PEER_CERT_OPTIONAL=(1<<5),
+
       // last flag marker
-      LAST=(1<<5),
+      LAST=(1<<6),
     };
 
     // filter all but SSL flags
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/ssl/tlsver.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/ssl/tlsver.hpp
index 2435f50..2abc412 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/ssl/tlsver.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/ssl/tlsver.hpp
@@ -36,7 +36,8 @@ namespace openvpn {
       UNDEF=0,
       V1_0,
       V1_1,
-      V1_2
+      V1_2,
+      V1_3
     };
 
     inline const std::string to_string(const Type version)
@@ -51,6 +52,8 @@ namespace openvpn {
 	  return "V1_1";
 	case V1_2:
 	  return "V1_2";
+	case V1_3:
+	  return "V1_3";
 	default:
 	  return "???";
 	}
@@ -65,7 +68,9 @@ namespace openvpn {
       else if (ver == "1.1" && V1_1 <= max_version)
 	return V1_1;
       else if (ver == "1.2" && V1_2 <= max_version)
-	return V1_2;
+        return V1_2;
+      else if (ver == "1.3" && V1_3 <= max_version)
+        return V1_2;
       else if (or_highest)
 	return max_version;
       else
@@ -99,6 +104,8 @@ namespace openvpn {
 	tvm = V1_1;
       else if (override == "tls_1_2")
 	tvm = V1_2;
+      else if (override == "tls_1_3")
+        tvm = V1_3;
       else
 	throw option_error("tls-version-min: unrecognized override string");
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/transport/client/httpcli.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/transport/client/httpcli.hpp
index 46d8795..8eb3fd6 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/transport/client/httpcli.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/transport/client/httpcli.hpp
@@ -219,7 +219,7 @@ namespace openvpn {
       friend LinkImpl::Base;                            // calls tcp_read_handler
 
     public:
-      virtual void transport_start()
+      void transport_start() override
       {
 	if (!impl)
 	  {
@@ -251,17 +251,17 @@ namespace openvpn {
 	  }
       }
 
-      virtual bool transport_send_const(const Buffer& buf)
+      bool transport_send_const(const Buffer& buf) override
       {
 	return send_const(buf);
       }
 
-      virtual bool transport_send(BufferAllocated& buf)
+      bool transport_send(BufferAllocated& buf) override
       {
 	return send(buf);
       }
 
-      virtual bool transport_send_queue_empty()
+      bool transport_send_queue_empty() override
       {
 	if (impl)
 	  return impl->send_queue_empty();
@@ -269,14 +269,14 @@ namespace openvpn {
 	  return false;
       }
 
-      virtual bool transport_has_send_queue()
+      bool transport_has_send_queue() override
       {
 	return true;
       }
 
-      virtual void transport_stop_requeueing() { }
+      void transport_stop_requeueing() override { }
 
-      virtual unsigned int transport_send_queue_size()
+      unsigned int transport_send_queue_size() override
       {
 	if (impl)
 	  return impl->send_queue_size();
@@ -284,13 +284,13 @@ namespace openvpn {
 	  return 0;
       }
 
-      virtual void reset_align_adjust(const size_t align_adjust)
+      void reset_align_adjust(const size_t align_adjust) override
       {
 	if (impl)
 	  impl->reset_align_adjust(align_adjust);
       }
 
-      virtual void server_endpoint_info(std::string& host, std::string& port, std::string& proto, std::string& ip_addr) const
+      void server_endpoint_info(std::string& host, std::string& port, std::string& proto, std::string& ip_addr) const override
       {
 	host = server_host;
 	port = server_port;
@@ -301,12 +301,12 @@ namespace openvpn {
 	ip_addr = addr.to_string();
       }
 
-      virtual IP::Addr server_endpoint_addr() const
+      IP::Addr server_endpoint_addr() const override
       {
 	return IP::Addr::from_asio(server_endpoint.address());
       }
 
-      virtual Protocol transport_protocol() const
+      Protocol transport_protocol() const override
       {
 	if (server_endpoint.address().is_v4())
 	  return Protocol(Protocol::TCPv4);
@@ -316,7 +316,7 @@ namespace openvpn {
 	  return Protocol();
       }
 
-      virtual void stop() { stop_(); }
+      void stop() override { stop_(); }
       virtual ~Client() { stop_(); }
 
     private:
@@ -350,7 +350,7 @@ namespace openvpn {
       {
       }
 
-      virtual void transport_reparent(TransportClientParent* parent_arg)
+      void transport_reparent(TransportClientParent* parent_arg) override
       {
 	parent = parent_arg;
       }
@@ -908,7 +908,6 @@ namespace openvpn {
 	proxy_remote_list().get_endpoint(server_endpoint);
 	OPENVPN_LOG("Contacting " << server_endpoint << " via HTTP Proxy");
 	parent->transport_wait_proxy();
-	parent->ip_hole_punch(server_endpoint_addr());
 	socket.open(server_endpoint.protocol());
 #ifdef OPENVPN_PLATFORM_TYPE_UNIX
 	if (config->socket_protect)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/transport/client/relay.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/transport/client/relay.hpp
index 2d7231b..8de0a83 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/transport/client/relay.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/transport/client/relay.hpp
@@ -117,8 +117,6 @@ namespace openvpn {
 	OPENVPN_LOG("TransportRelayFactory: Proxy Error in null parent: " << Error::name(fatal_err) << " : " << err_text);
       }
 
-      virtual void ip_hole_punch(const IP::Addr& addr) {}
-
       // Return true if we are transporting OpenVPN protocol
       virtual bool transport_is_openvpn_protocol() { return is_openvpn_protocol; }
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/transport/client/tcpcli.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/transport/client/tcpcli.hpp
index c1f18d7..9fddd4c 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/transport/client/tcpcli.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/transport/client/tcpcli.hpp
@@ -87,7 +87,7 @@ namespace openvpn {
       friend LinkImpl::Base;             // calls tcp_read_handler
 
     public:
-      virtual void transport_start()
+      void transport_start() override
       {
 	if (!impl)
 	  {
@@ -108,17 +108,17 @@ namespace openvpn {
 	  }
       }
 
-      virtual bool transport_send_const(const Buffer& buf)
+      bool transport_send_const(const Buffer& buf) override
       {
 	return send_const(buf);
       }
 
-      virtual bool transport_send(BufferAllocated& buf)
+      bool transport_send(BufferAllocated& buf) override
       {
 	return send(buf);
       }
 
-      virtual bool transport_send_queue_empty()
+      bool transport_send_queue_empty() override
       {
 	if (impl)
 	  return impl->send_queue_empty();
@@ -126,12 +126,12 @@ namespace openvpn {
 	  return false;
       }
 
-      virtual bool transport_has_send_queue()
+      bool transport_has_send_queue() override
       {
 	return true;
       }
 
-      virtual unsigned int transport_send_queue_size()
+      unsigned int transport_send_queue_size() override
       {
 	if (impl)
 	  return impl->send_queue_size();
@@ -139,13 +139,13 @@ namespace openvpn {
 	  return 0;
       }
 
-      virtual void reset_align_adjust(const size_t align_adjust)
+      void reset_align_adjust(const size_t align_adjust) override
       {
 	if (impl)
 	  impl->reset_align_adjust(align_adjust);
       }
 
-      virtual void server_endpoint_info(std::string& host, std::string& port, std::string& proto, std::string& ip_addr) const
+      void server_endpoint_info(std::string& host, std::string& port, std::string& proto, std::string& ip_addr) const override
       {
 	host = server_host;
 	port = server_port;
@@ -154,18 +154,18 @@ namespace openvpn {
 	ip_addr = addr.to_string();
       }
 
-      virtual IP::Addr server_endpoint_addr() const
+      IP::Addr server_endpoint_addr() const override
       {
 	return IP::Addr::from_asio(server_endpoint.address());
       }
 
-      virtual Protocol transport_protocol() const
+      Protocol transport_protocol() const override
       {
 	return server_protocol;
       }
 
-      virtual void stop() { stop_(); }
-      virtual ~Client() { stop_(); }
+      void stop() override { stop_(); }
+      ~Client() override { stop_(); }
 
     private:
       Client(openvpn_io::io_context& io_context_arg,
@@ -182,12 +182,12 @@ namespace openvpn {
       {
       }
 
-      virtual void transport_reparent(TransportClientParent* parent_arg)
+      void transport_reparent(TransportClientParent* parent_arg) override
       {
 	parent = parent_arg;
       }
 
-      virtual void transport_stop_requeueing()
+      void transport_stop_requeueing() override
       {
 	stop_requeueing = true;
       }
@@ -280,7 +280,6 @@ namespace openvpn {
 	OPENVPN_LOG("Contacting " << server_endpoint << " via "
 		    << server_protocol.str());
 	parent->transport_wait();
-	parent->ip_hole_punch(server_endpoint_addr());
 	socket.open(server_endpoint.protocol());
 #if defined(OPENVPN_PLATFORM_TYPE_UNIX) || defined(OPENVPN_PLATFORM_UWP)
 	if (config->socket_protect)
@@ -315,7 +314,8 @@ namespace openvpn {
 		  SSLLib::SSLAPI::Config::Ptr ssl_conf;
 		  ssl_conf.reset(new SSLLib::SSLAPI::Config());
 		  ssl_conf->set_mode(Mode(Mode::CLIENT));
-		  ssl_conf->set_flags(SSLConst::LOG_VERIFY_STATUS|SSLConst::NO_VERIFY_PEER);
+		  ssl_conf->set_flags(SSLConst::LOG_VERIFY_STATUS|SSLConst::NO_VERIFY_PEER|
+				      SSLConst::ENABLE_SNI);
 		  ssl_conf->set_local_cert_enabled(false);
 		  ssl_conf->set_frame(config->frame);
 		  ssl_conf->set_rng(new SSLLib::RandomAPI(false));
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/transport/client/transbase.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/transport/client/transbase.hpp
index 18f9451..2ea2561 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/transport/client/transbase.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/transport/client/transbase.hpp
@@ -70,11 +70,6 @@ namespace openvpn {
     virtual void transport_error(const Error::Type fatal_err, const std::string& err_text) = 0;
     virtual void proxy_error(const Error::Type fatal_err, const std::string& err_text) = 0;
 
-    // Called just prior to transport layer opening up a socket to addr.
-    // Allows the implementation to ensure connectivity for outgoing
-    // transport connection to server.
-    virtual void ip_hole_punch(const IP::Addr& addr) = 0;
-
     // Return true if we are transporting OpenVPN protocol
     virtual bool transport_is_openvpn_protocol() = 0;
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/transport/client/udpcli.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/transport/client/udpcli.hpp
index be94e66..2350c92 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/transport/client/udpcli.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/transport/client/udpcli.hpp
@@ -84,7 +84,7 @@ namespace openvpn {
       typedef Link<Client*> LinkImpl;
 
     public:
-      virtual void transport_start()
+      void transport_start() override
       {
 	if (!impl)
 	  {
@@ -111,40 +111,40 @@ namespace openvpn {
 	  }
       }
 
-      virtual bool transport_send_const(const Buffer& buf)
+      bool transport_send_const(const Buffer& buf) override
       {
 	return send(buf);
       }
 
-      virtual bool transport_send(BufferAllocated& buf)
+      bool transport_send(BufferAllocated& buf) override
       {
 	return send(buf);
       }
 
-      virtual bool transport_send_queue_empty() // really only has meaning for TCP
+      bool transport_send_queue_empty() override // really only has meaning for TCP
       {
 	return false;
       }
 
-      virtual bool transport_has_send_queue()
+      bool transport_has_send_queue() override
       {
 	return false;
       }
 
-      virtual void transport_stop_requeueing() { }
+      void transport_stop_requeueing() override { }
 
-      virtual unsigned int transport_send_queue_size()
+      unsigned int transport_send_queue_size() override
       {
 	return 0;
       }
 
-      virtual void reset_align_adjust(const size_t align_adjust)
+      void reset_align_adjust(const size_t align_adjust) override
       {
 	if (impl)
 	  impl->reset_align_adjust(align_adjust);
       }
 
-      virtual void server_endpoint_info(std::string& host, std::string& port, std::string& proto, std::string& ip_addr) const
+      void server_endpoint_info(std::string& host, std::string& port, std::string& proto, std::string& ip_addr) const override
       {
 	host = server_host;
 	port = server_port;
@@ -154,12 +154,12 @@ namespace openvpn {
 	ip_addr = addr.to_string();
       }
 
-      virtual IP::Addr server_endpoint_addr() const
+      IP::Addr server_endpoint_addr() const override
       {
 	return IP::Addr::from_asio(server_endpoint.address());
       }
 
-      virtual Protocol transport_protocol() const
+      Protocol transport_protocol() const override
       {
 	if (server_endpoint.address().is_v4())
 	  return Protocol(Protocol::UDPv4);
@@ -169,8 +169,8 @@ namespace openvpn {
 	  return Protocol();
       }
 
-      virtual void stop() { stop_(); }
-      virtual ~Client() { stop_(); }
+      void stop() override { stop_(); }
+      ~Client() override { stop_(); }
 
     private:
       Client(openvpn_io::io_context& io_context_arg,
@@ -185,7 +185,7 @@ namespace openvpn {
       {
       }
 
-      virtual void transport_reparent(TransportClientParent* parent_arg)
+      void transport_reparent(TransportClientParent* parent_arg) override
       {
 	parent = parent_arg;
       }
@@ -265,7 +265,6 @@ namespace openvpn {
 	config->remote_list->get_endpoint(server_endpoint);
 	OPENVPN_LOG("Contacting " << server_endpoint << " via UDP");
 	parent->transport_wait();
-	parent->ip_hole_punch(server_endpoint_addr());
 	socket.open(server_endpoint.protocol());
 #if defined(OPENVPN_PLATFORM_TYPE_UNIX) || defined(OPENVPN_PLATFORM_UWP)
 	if (config->socket_protect)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/builder/base.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/builder/base.hpp
index 1155961..fc87599 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/builder/base.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/builder/base.hpp
@@ -228,6 +228,15 @@ namespace openvpn {
       return true;
     }
 
+    // When the exclude local network option is enabled this
+    // function is called to get a list of local networks so routes
+    // to exclude them from the VPN network are generated
+    // This should be a list of CIDR networks (e.g. 192.168.0.0/24)
+    virtual const std::vector<std::string> tun_builder_get_local_networks(bool ipv6)
+    {
+      return {};
+    }
+
     // Indicates a reconnection with persisted tun state.
     virtual void tun_builder_establish_lite()
     {
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/builder/client.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/builder/client.hpp
index f45fd63..37fa164 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/builder/client.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/builder/client.hpp
@@ -97,11 +97,11 @@ namespace openvpn {
 	return new ClientConfig;
       }
 
-      virtual TunClient::Ptr new_tun_client_obj(openvpn_io::io_context& io_context,
+      TunClient::Ptr new_tun_client_obj(openvpn_io::io_context& io_context,
 						TunClientParent& parent,
-						TransportClient* transcli);
+						TransportClient* transcli) override;
 
-      virtual void finalize(const bool disconnected)
+      void finalize(const bool disconnected) override
       {
 	if (disconnected)
 	  tun_persist.reset();
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/client/emuexr.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/client/emuexr.hpp
index 712d0f0..2f92665 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/client/emuexr.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/client/emuexr.hpp
@@ -36,6 +36,7 @@ namespace openvpn {
     virtual void add_route(const bool add, const IP::Addr& addr, const int prefix_len) = 0;
     virtual bool enabled(const IPVerFlags& ipv) const = 0;
     virtual void emulate(TunBuilderBase* tb, IPVerFlags& ipv, const IP::Addr& server_addr) const = 0;
+    virtual void add_default_routes(bool ipv4, bool ipv6) = 0;
   };
 
   struct EmulateExcludeRouteFactory : public RC<thread_unsafe_refcount>
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/client/tunbase.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/client/tunbase.hpp
index 8b5e25f..8f4d001 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/client/tunbase.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/client/tunbase.hpp
@@ -85,11 +85,6 @@ namespace openvpn {
     //   true: this is the final disconnect, or
     //   false: we are in a pause/reconnecting state.
     virtual void finalize(const bool disconnected) {}
-
-    // Called just prior to transport layer opening up a socket to addr.
-    // Allows the implementation to ensure connectivity for outgoing
-    // transport connection to server.
-    virtual void ip_hole_punch(const IP::Addr& addr) {}
   };
 
 } // namespace openvpn
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/client/tunprop.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/client/tunprop.hpp
index c18b407..971766b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/client/tunprop.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/client/tunprop.hpp
@@ -63,6 +63,7 @@ namespace openvpn {
       std::string session_name;
       int mtu = 0;
       bool google_dns_fallback = false;
+      bool allow_local_lan_access = false;
       Layer layer{Layer::OSI_LAYER_3};
 
       // If remote_bypass is true, obtain cached remote IPs from
@@ -126,15 +127,43 @@ namespace openvpn {
 	add_remote_bypass_routes(tb, *config.remote_list, server_addr, eer.get(), quiet);
 
       // add routes
-      add_routes(tb, opt, server_addr, ipv, eer.get(), quiet);
+      if (config.allow_local_lan_access)
+	{
+	  // query local lan exclude routes and then
+	  // copy option list to construct a copy with the excluded routes as route options
+	  OptionList excludedRoutesOptions = opt;
+	  for (const std::string& exRoute: tb->tun_builder_get_local_networks(false))
+	    {
+	      excludedRoutesOptions.add_item(Option{"route", exRoute, "", "net_gateway"});
+	    }
 
-      // emulate exclude routes
-      if (eer && eer->enabled(ipv))
-	eer->emulate(tb, ipv, server_addr);
+	  for (const std::string& exRoute:  tb->tun_builder_get_local_networks(true))
+	    {
+	      excludedRoutesOptions.add_item(Option{"route-ipv6", exRoute, "", "net_gateway"});
+	    }
 
-      // configure redirect-gateway
-      if (!tb->tun_builder_reroute_gw(ipv.rgv4(), ipv.rgv6(), ipv.api_flags()))
-	throw tun_prop_route_error("tun_builder_reroute_gw for redirect-gateway failed");
+	  add_routes(tb, excludedRoutesOptions, ipv, eer.get(), quiet);
+	}
+      else
+	{
+	  add_routes(tb, opt, ipv, eer.get(), quiet);
+	}
+
+
+      if (eer)
+	{
+	  // Route emulation needs to know if default routes are included
+	  // from redirect-gateway
+	  eer->add_default_routes(ipv.rgv4(), ipv.rgv6());
+	  // emulate exclude routes
+	  eer->emulate(tb, ipv, server_addr);
+	}
+      else
+	{
+	  // configure redirect-gateway
+	  if (!tb->tun_builder_reroute_gw(ipv.rgv4(), ipv.rgv6(), ipv.api_flags()))
+	      throw tun_prop_route_error("tun_builder_reroute_gw for redirect-gateway failed");
+	}
 
       // add DNS servers and domain prefixes
       const unsigned int dhcp_option_flags = add_dhcp_options(tb, opt, quiet);
@@ -335,7 +364,9 @@ namespace openvpn {
 				  EmulateExcludeRoute* eer)
     {
       const std::string addr_str = addr.to_string();
-      if (add)
+      if (eer)
+	eer->add_route(add, addr, prefix_length);
+      else if (add)
 	{
 	  if (!tb->tun_builder_add_route(addr_str, prefix_length, metric, ipv6))
 	    throw tun_prop_route_error("tun_builder_add_route failed");
@@ -345,8 +376,7 @@ namespace openvpn {
 	  if (!tb->tun_builder_exclude_route(addr_str, prefix_length, metric, ipv6))
 	    throw tun_prop_route_error("tun_builder_exclude_route failed");
 	}
-      if (eer)
-	eer->add_route(add, addr, prefix_length);
+
     }
 
     // Check the target of a route.
@@ -369,7 +399,6 @@ namespace openvpn {
 
     static void add_routes(TunBuilderBase* tb,
 			   const OptionList& opt,
-			   const IP::Addr& server_addr,
 			   const IPVerFlags& ipv,
 			   EmulateExcludeRoute* eer,
 			   const bool quiet)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/linux/client/sitnl.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/linux/client/sitnl.hpp
index 975d6cb..a9266e9 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/linux/client/sitnl.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/linux/client/sitnl.hpp
@@ -325,6 +325,11 @@ namespace openvpn {
 	      goto out;
 	    }
 
+	    if (h->nlmsg_type == NLMSG_DONE)
+	    {
+	      goto out;
+	    }
+
 	    if (h->nlmsg_type == NLMSG_ERROR)
 	    {
 	      err = (struct nlmsgerr *)NLMSG_DATA(h);
@@ -339,7 +344,11 @@ namespace openvpn {
 		{
 		  ret = 0;
 		  if (cb)
+		  {
 		    ret = cb(h, arg_cb);
+		    if (ret < 0)
+		      goto out;
+		  }
 		}
 		else
 		{
@@ -355,7 +364,6 @@ namespace openvpn {
 	    if (cb)
 	    {
 	      ret = cb(h, arg_cb);
-	      goto out;
 	    }
 	    else
 	    {
@@ -379,6 +387,10 @@ namespace openvpn {
 	    ret = -1;
 	    goto out;
 	  }
+
+	  // continue reading multipart message
+	  if (!(h->nlmsg_flags & NLM_F_MULTI))
+	    goto out;
 	}
 out:
 	close(fd);
@@ -392,6 +404,10 @@ out:
 	sa_family_t family;
 	IP::Addr gw;
 	std::string iface;
+	std::string iface_to_ignore;
+	int metric;
+	IP::Route dst;
+	int prefix_len;
       } route_res_t;
 
       static int
@@ -402,6 +418,20 @@ out:
 	struct rtattr *rta = RTM_RTA(r);
 	int len = n->nlmsg_len - NLMSG_LENGTH(sizeof(*r));
 	int ifindex = 0;
+	int metric = 0;
+
+	IP::Addr gw;
+
+	IP::Route route;
+	switch (res->family)
+	{
+	  case AF_INET:
+	    route = IP::Route("0.0.0.0/0");
+	    break;
+	  case AF_INET6:
+	    route = IP::Route("::/0");
+	    break;
+	}
 
 	while (RTA_OK(rta, len))
 	{
@@ -413,7 +443,21 @@ out:
 	    break;
 	  case RTA_DST:
 	    /* route prefix */
-	    RTA_DATA(rta);
+	    {
+	      const unsigned char *bytestr = (unsigned char *)RTA_DATA(rta);
+	      switch (res->family)
+	      {
+		case AF_INET:
+		  route = IP::Route(IPv4::Addr::from_bytes_net(bytestr).to_string() + "/" + std::to_string(r->rtm_dst_len));
+		  break;
+		case AF_INET6:
+		  route = IP::Route(IPv6::Addr::from_byte_string(bytestr).to_string() + "/" + std::to_string(r->rtm_dst_len));
+		  break;
+	      }
+	    }
+	    break;
+	  case RTA_PRIORITY:
+	    metric = *(unsigned int *)RTA_DATA(rta);
 	    break;
 	  case RTA_GATEWAY:
 	    /* GW for the route */
@@ -422,10 +466,10 @@ out:
 	      switch (res->family)
 	      {
 	      case AF_INET:
-		res->gw = IP::Addr::from_ipv4(IPv4::Addr::from_bytes_net(bytestr));
+		gw = IP::Addr::from_ipv4(IPv4::Addr::from_bytes_net(bytestr));
 		break;
 	      case AF_INET6:
-		res->gw = IP::Addr::from_ipv6(IPv6::Addr::from_byte_string(bytestr));
+		gw = IP::Addr::from_ipv6(IPv6::Addr::from_byte_string(bytestr));
 		break;
 	      }
 	    }
@@ -435,34 +479,86 @@ out:
 	  rta = RTA_NEXT(rta, len);
 	}
 
-	if (ifindex > 0)
+	if (!gw.defined() || ifindex <= 0)
 	{
-	  char iface[IFNAMSIZ];
-	  if (!if_indextoname(ifindex, iface))
-	  {
-	    OPENVPN_LOG(__func__ << ": rtnl: can't get ifname for index "
-			<< ifindex);
-	    return -1;
-	  }
-
-	  res->iface = iface;
+	  return 0;
 	}
+	else
+	{
+	  OPENVPN_LOG_RTNL(__func__ << ": RTA_GATEWAY " << gw.to_string());
+	}
+
+	if (!route.contains(res->dst))
+	{
+	  OPENVPN_LOG_RTNL(__func__ << ": Ignore gw for unmatched route " << route.to_string());
+	  return 0;
+	}
+
+	char iface[IFNAMSIZ];
+	if (!if_indextoname(ifindex, iface))
+	{
+	  OPENVPN_LOG(__func__ << ": rtnl: can't get ifname for index "
+		      << ifindex);
+	  return -1;
+	}
+
+	if (res->iface_to_ignore == iface)
+	{
+	  OPENVPN_LOG_RTNL(__func__ << ": Ignore gw " << gw.to_string() << " on " << iface);
+	  return 0;
+	}
+
+	// skip if gw's route prefix is shorter
+	if (r->rtm_dst_len < res->prefix_len)
+	{
+	  OPENVPN_LOG_RTNL(__func__ << ": Ignore gw " << gw.to_string() << " with shorter route prefix " << route.to_string());
+	  return 0;
+	}
+
+	// skip if gw's route metric is higher
+	if ((metric > res->metric) && (res->metric != -1))
+	{
+	  OPENVPN_LOG_RTNL(__func__ << ": Ignore gw " << gw.to_string() << " with higher metrics " << metric);
+	  return 0;
+	}
+
+	res->iface = iface;
+	res->gw = gw;
+	res->metric = metric;
+	res->prefix_len = res->prefix_len;
+
+	OPENVPN_LOG_RTNL(__func__ << ": Use gw " << gw.to_string() << " route " << route.to_string() << " metric " << metric);
 
 	return 0;
       }
 
+      /**
+       * Searches for best gateway for a given route
+       * @param iface_to_ignore this allows to exclude certain interface
+       * from discovered gateways. Used when we want to exclude VPN interface
+       * when there is active VPN connection with redirected default gateway
+       * @param route route for which we search gw
+       * @param [out] best_gw found gw
+       * @param [out] best_iface network interface on which gw was found
+       * @return
+       */
       static int
-      sitnl_route_best_gw(const IP::Route& route, IP::Addr& best_gw,
+      sitnl_route_best_gw(const std::string& iface_to_ignore,
+			  const IP::Route& route,
+			  IP::Addr& best_gw,
 			  std::string& best_iface)
       {
 	struct sitnl_route_req req = { };
-	route_res_t res;
-	int ret = -EINVAL;
-
 	req.n.nlmsg_len = NLMSG_LENGTH(sizeof(req.r));
 	req.n.nlmsg_type = RTM_GETROUTE;
 	req.n.nlmsg_flags = NLM_F_REQUEST;
 
+	route_res_t res;
+	res.metric = -1;
+	res.prefix_len = -1;
+
+	int ret = -EINVAL;
+
 	res.family = req.r.rtm_family = route.addr.family();
 	req.r.rtm_dst_len = route.prefix_len;
 
@@ -471,6 +567,9 @@ out:
 	  req.n.nlmsg_flags |= NLM_F_DUMP;
 	}
 
+	res.iface_to_ignore = iface_to_ignore;
+	res.dst = route;
+
 	{
 	  unsigned char bytestr[IP::Addr::V6_SIZE / 8];
 	  route.addr.to_byte_string_variable(bytestr);
@@ -675,7 +774,7 @@ err:
 		      const std::string& iface, const uint32_t table,
 		      const int metric)
       {
-	return sitnl_route_set(RTM_NEWROUTE, NLM_F_CREATE | NLM_F_REPLACE, iface,
+	return sitnl_route_set(RTM_NEWROUTE, NLM_F_CREATE, iface,
 			       route, gw,
 			       (enum rt_class_t)(!table ? RT_TABLE_MAIN : table),
 			       metric, RT_SCOPE_UNIVERSE, RTPROT_BOOT, RTN_UNICAST);
@@ -696,14 +795,14 @@ err:
 
       static int
       net_route_best_gw(const IP::Route6& route, IPv6::Addr& best_gw6,
-			std::string& best_iface)
+			std::string& best_iface, const std::string& iface_to_ignore = "")
       {
 	IP::Addr best_gw;
 	int ret;
 
 	OPENVPN_LOG(__func__ << " query IPv6: " << route);
 
-	ret = sitnl_route_best_gw(IP::Route(IP::Addr::from_ipv6(route.addr), route.prefix_len),
+	ret = sitnl_route_best_gw(iface_to_ignore, IP::Route(IP::Addr::from_ipv6(route.addr), route.prefix_len),
 				  best_gw, best_iface);
 	if (ret >= 0)
 	{
@@ -715,14 +814,14 @@ err:
 
       static int
       net_route_best_gw(const IP::Route4& route, IPv4::Addr &best_gw4,
-			std::string& best_iface)
+			std::string& best_iface, const std::string& iface_to_ignore = "")
       {
 	IP::Addr best_gw;
 	int ret;
 
 	OPENVPN_LOG(__func__ << " query IPv4: " << route);
 
-	ret = sitnl_route_best_gw(IP::Route(IP::Addr::from_ipv4(route.addr), route.prefix_len),
+	ret = sitnl_route_best_gw(iface_to_ignore, IP::Route(IP::Addr::from_ipv4(route.addr), route.prefix_len),
 				  best_gw, best_iface);
 	if (ret >= 0)
 	{
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/linux/client/tuncli.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/linux/client/tuncli.hpp
index e6daa67..5424a86 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/linux/client/tuncli.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/linux/client/tuncli.hpp
@@ -34,10 +34,10 @@
 // check if Netlink has been selected at compile time
 #ifdef OPENVPN_USE_SITNL
 #include <openvpn/tun/linux/client/tunnetlink.hpp>
-#define TUN_LINUX TunNetlink
+#define TUN_LINUX openvpn::TunNetlink::TunMethods
 #else
-#include <openvpn/tun/linux/client/tunsetup.hpp>
-#define TUN_LINUX TunLinux
+#include <openvpn/tun/linux/client/tuniproute.hpp>
+#define TUN_LINUX openvpn::TunIPRoute::TunMethods
 #endif
 
 namespace openvpn {
@@ -122,7 +122,7 @@ namespace openvpn {
 	if (tun_setup_factory)
 	  return tun_setup_factory->new_setup_obj();
 	else
-	  return new TUN_LINUX::Setup();
+	  return new TunLinuxSetup::Setup<TUN_LINUX>();
       }
 
     private:
@@ -192,10 +192,11 @@ namespace openvpn {
 		  tun_setup = config->new_setup_obj();
 
 		  // create config object for tun setup layer
-		  TUN_LINUX::Setup::Config tsconf;
+		  TunLinuxSetup::Setup<TUN_LINUX>::Config tsconf;
 		  tsconf.layer = config->tun_prop.layer;
 		  tsconf.dev_name = config->dev_name;
 		  tsconf.txqueuelen = config->txqueuelen;
+		  tsconf.add_bypass_routes_on_establish = true;
 
 		  // open/config tun
 		  {
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/linux/client/tuniproute.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/linux/client/tuniproute.hpp
new file mode 100644
index 0000000..130cf36
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/linux/client/tuniproute.hpp
@@ -0,0 +1,351 @@
+//    OpenVPN -- An application to securely tunnel IP networks
+//               over a single port, with support for SSL/TLS-based
+//               session authentication and key exchange,
+//               packet encryption, packet authentication, and
+//               packet compression.
+//
+//    Copyright (C) 2012-2017 OpenVPN Inc.
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Affero General Public License Version 3
+//    as published by the Free Software Foundation.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Affero General Public License for more details.
+//
+//    You should have received a copy of the GNU Affero General Public License
+//    along with this program in the COPYING file.
+//    If not, see <http://www.gnu.org/licenses/>.
+
+#pragma once
+
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <net/if.h>
+#include <linux/if_tun.h>
+
+#include <openvpn/common/exception.hpp>
+#include <openvpn/common/file.hpp>
+#include <openvpn/common/split.hpp>
+#include <openvpn/common/splitlines.hpp>
+#include <openvpn/common/hexstr.hpp>
+#include <openvpn/common/to_string.hpp>
+#include <openvpn/common/process.hpp>
+#include <openvpn/common/action.hpp>
+#include <openvpn/addr/route.hpp>
+#include <openvpn/tun/builder/capture.hpp>
+#include <openvpn/tun/builder/setup.hpp>
+#include <openvpn/tun/client/tunbase.hpp>
+#include <openvpn/tun/client/tunprop.hpp>
+#include <openvpn/tun/client/tunprop.hpp>
+#include <openvpn/tun/linux/client/tunsetup.hpp>
+#include <openvpn/netconf/linux/gw.hpp>
+
+namespace openvpn {
+  namespace TunIPRoute {
+
+    using namespace openvpn::TunLinuxSetup;
+
+    enum { // add_del_route flags
+      R_IPv6=(1<<0),
+      R_ADD_SYS=(1<<1),
+      R_ADD_DCO=(1<<2),
+      R_ADD_ALL=R_ADD_SYS|R_ADD_DCO,
+    };
+
+    inline IP::Addr cvt_pnr_ip_v4(const std::string& hexaddr)
+    {
+      BufferAllocated v(4, BufferAllocated::CONSTRUCT_ZERO);
+      parse_hex(v, hexaddr);
+      if (v.size() != 4)
+	throw tun_linux_error("bad hex address");
+      IPv4::Addr ret = IPv4::Addr::from_bytes(v.data());
+      return IP::Addr::from_ipv4(ret);
+    }
+
+    inline void add_del_route(const std::string& addr_str,
+			      const int prefix_len,
+			      const std::string& gateway_str,
+			      const std::string& dev,
+			      const unsigned int flags,
+			      std::vector<IP::Route>* rtvec,
+			      Action::Ptr& create,
+			      Action::Ptr& destroy)
+    {
+      if (flags & R_IPv6)
+	{
+	  const IPv6::Addr addr = IPv6::Addr::from_string(addr_str);
+	  const IPv6::Addr netmask = IPv6::Addr::netmask_from_prefix_len(prefix_len);
+	  const IPv6::Addr net = addr & netmask;
+
+	  if (flags & R_ADD_SYS)
+	    {
+	      // ip route add 2001:db8:1::/48 via 2001:db8:1::1
+	      Command::Ptr add(new Command);
+	      add->argv.push_back("/sbin/ip");
+	      add->argv.push_back("-6");
+	      add->argv.push_back("route");
+	      add->argv.push_back("prepend");
+	      add->argv.push_back(net.to_string() + '/' + openvpn::to_string(prefix_len));
+	      add->argv.push_back("via");
+	      add->argv.push_back(gateway_str);
+	      if (!dev.empty())
+		{
+		  add->argv.push_back("dev");
+		  add->argv.push_back(dev);
+		}
+	      create = add;
+
+	      // for the destroy command, copy the add command but replace "add" with "delete"
+	      Command::Ptr del(add->copy());
+	      del->argv[3] = "del";
+	      destroy = del;
+	    }
+
+	if (rtvec && (flags & R_ADD_DCO))
+	  rtvec->emplace_back(IP::Addr::from_ipv6(net), prefix_len);
+      }
+      else
+      {
+	const IPv4::Addr addr = IPv4::Addr::from_string(addr_str);
+	const IPv4::Addr netmask = IPv4::Addr::netmask_from_prefix_len(prefix_len);
+	const IPv4::Addr net = addr & netmask;
+
+	if (flags & R_ADD_SYS)
+	  {
+	    // ip route add 192.0.2.128/25 via 192.0.2.1
+	    Command::Ptr add(new Command);
+	    add->argv.push_back("/sbin/ip");
+	    add->argv.push_back("-4");
+	    add->argv.push_back("route");
+	    add->argv.push_back("prepend");
+	    add->argv.push_back(net.to_string() + '/' + openvpn::to_string(prefix_len));
+	    add->argv.push_back("via");
+	    add->argv.push_back(gateway_str);
+	    if (!dev.empty())
+	    {
+	      add->argv.push_back("dev");
+	      add->argv.push_back(dev);
+	    }
+	    create = add;
+
+	    // for the destroy command, copy the add command but replace "add" with "delete"
+	    Command::Ptr del(add->copy());
+	    del->argv[3] = "del";
+	    destroy = del;
+	  }
+
+	if (rtvec && (flags & R_ADD_DCO))
+	  rtvec->emplace_back(IP::Addr::from_ipv4(net), prefix_len);
+      }
+    }
+
+    inline void add_del_route(const std::string& addr_str,
+			      const int prefix_len,
+			      const std::string& gateway_str,
+			      const std::string& dev,
+			      const unsigned int flags,// add interface route to rtvec if defined
+			      std::vector<IP::Route>* rtvec,
+			      ActionList& create,
+			      ActionList& destroy)
+    {
+      Action::Ptr c, d;
+      add_del_route(addr_str, prefix_len, gateway_str, dev, flags, rtvec, c, d);
+      create.add(c);
+      destroy.add(d);
+    }
+
+    inline void iface_up(const std::string& iface_name,
+			 const int mtu,
+			 ActionList& create,
+			 ActionList& destroy)
+    {
+      {
+	Command::Ptr add(new Command);
+	add->argv.push_back("/sbin/ip");
+	add->argv.push_back("link");
+	add->argv.push_back("set");
+	add->argv.push_back(iface_name);
+	add->argv.push_back("up");
+	if (mtu > 0)
+	  {
+	    add->argv.push_back("mtu");
+	    add->argv.push_back(openvpn::to_string(mtu));
+	  }
+	create.add(add);
+
+	// for the destroy command, copy the add command but replace "up" with "down"
+	Command::Ptr del(add->copy());
+	del->argv[4] = "down";
+	destroy.add(del);
+      }
+    }
+
+    inline void iface_config(const std::string& iface_name,
+			     int unit,
+			     const TunBuilderCapture& pull,
+			     std::vector<IP::Route>* rtvec,
+			     ActionList& create,
+			     ActionList& destroy)
+    {
+      // set local4 and local6 to point to IPv4/6 route configurations
+      const TunBuilderCapture::RouteAddress* local4 = pull.vpn_ipv4();
+      const TunBuilderCapture::RouteAddress* local6 = pull.vpn_ipv6();
+
+      // Set IPv4 Interface
+      if (local4)
+	{
+	  Command::Ptr add(new Command);
+	  add->argv.push_back("/sbin/ip");
+	  add->argv.push_back("-4");
+	  add->argv.push_back("addr");
+	  add->argv.push_back("add");
+	  add->argv.push_back(local4->address + '/' + openvpn::to_string(local4->prefix_length));
+	  add->argv.push_back("broadcast");
+	  add->argv.push_back((IPv4::Addr::from_string(local4->address) | ~IPv4::Addr::netmask_from_prefix_len(local4->prefix_length)).to_string());
+	  add->argv.push_back("dev");
+	  add->argv.push_back(iface_name);
+	  if (unit >= 0)
+	    {
+	      add->argv.push_back("label");
+	      add->argv.push_back(iface_name + ':' + openvpn::to_string(unit));
+	    }
+	  create.add(add);
+
+	  // for the destroy command, copy the add command but replace "add" with "delete"
+	  Command::Ptr del(add->copy());
+	  del->argv[3] = "del";
+	  destroy.add(del);
+
+	  // add interface route to rtvec if defined
+	  add_del_route(local4->address, local4->prefix_length, local4->address, iface_name, R_ADD_DCO, rtvec, create, destroy);
+	}
+
+      // Set IPv6 Interface
+      if (local6 && !pull.block_ipv6)
+      {
+	Command::Ptr add(new Command);
+	add->argv.push_back("/sbin/ip");
+	add->argv.push_back("-6");
+	add->argv.push_back("addr");
+	add->argv.push_back("add");
+	add->argv.push_back(local6->address + '/' + openvpn::to_string(local6->prefix_length));
+	add->argv.push_back("dev");
+	add->argv.push_back(iface_name);
+	create.add(add);
+
+	// for the destroy command, copy the add command but replace "add" with "delete"
+	Command::Ptr del(add->copy());
+	del->argv[3] = "del";
+	destroy.add(del);
+
+	// add interface route to rtvec if defined
+	add_del_route(local6->address, local6->prefix_length, local6->address, iface_name, R_ADD_DCO|R_IPv6, rtvec, create, destroy);
+      }
+    }
+
+    struct TunMethods
+    {
+      static inline void tun_config(const std::string& iface_name,
+			     const TunBuilderCapture& pull,
+			     std::vector<IP::Route>* rtvec,
+			     ActionList& create,
+			     ActionList& destroy,
+			     bool add_bypass_routes = true)
+      {
+	const LinuxGW46 gw(true);
+
+	// set local4 and local6 to point to IPv4/6 route configurations
+	const TunBuilderCapture::RouteAddress* local4 = pull.vpn_ipv4();
+	const TunBuilderCapture::RouteAddress* local6 = pull.vpn_ipv6();
+
+	// configure interface
+	iface_up(iface_name, pull.mtu, create, destroy);
+	iface_config(iface_name, -1, pull, rtvec, create, destroy);
+
+	// Process Routes
+	{
+	  for (const auto &route : pull.add_routes)
+	    {
+	      if (route.ipv6)
+		{
+		  if (!pull.block_ipv6)
+		    add_del_route(route.address, route.prefix_length, local6->gateway, iface_name, R_ADD_ALL|R_IPv6, rtvec, create, destroy);
+		}
+	      else
+		{
+		  if (local4 && !local4->gateway.empty())
+		    add_del_route(route.address, route.prefix_length, local4->gateway, iface_name, R_ADD_ALL, rtvec, create, destroy);
+		  else
+		    OPENVPN_LOG("ERROR: IPv4 route pushed without IPv4 ifconfig and/or route-gateway");
+		}
+	    }
+	}
+
+	// Process exclude routes
+	{
+	  for (const auto &route : pull.exclude_routes)
+	    {
+	      if (route.ipv6)
+		{
+		  OPENVPN_LOG("NOTE: exclude IPv6 routes not supported yet"); // fixme
+		}
+	      else
+		{
+		  if (gw.v4.defined())
+		    add_del_route(route.address, route.prefix_length, gw.v4.addr().to_string(), gw.v4.dev(), R_ADD_SYS, rtvec, create, destroy);
+		  else
+		    OPENVPN_LOG("NOTE: cannot determine gateway for exclude IPv4 routes");
+		}
+	    }
+	}
+
+	// Process IPv4 redirect-gateway
+	if (pull.reroute_gw.ipv4)
+	  {
+	    // add bypass route
+	    if (add_bypass_routes && !pull.remote_address.ipv6 && !(pull.reroute_gw.flags & RedirectGatewayFlags::RG_LOCAL) && gw.v4.defined())
+	      add_del_route(pull.remote_address.address, 32, gw.v4.addr().to_string(), gw.v4.dev(), R_ADD_SYS, rtvec, create, destroy);
+
+	    add_del_route("0.0.0.0", 1, local4->gateway, iface_name, R_ADD_ALL, rtvec, create, destroy);
+	    add_del_route("128.0.0.0", 1, local4->gateway, iface_name, R_ADD_ALL, rtvec, create, destroy);
+	  }
+
+	// Process IPv6 redirect-gateway
+	if (pull.reroute_gw.ipv6 && !pull.block_ipv6)
+	  {
+	    // add bypass route
+	    if (add_bypass_routes && pull.remote_address.ipv6 && !(pull.reroute_gw.flags & RedirectGatewayFlags::RG_LOCAL) && gw.v4.defined())
+	      add_del_route(pull.remote_address.address, 128, gw.v6.addr().to_string(), gw.v6.dev(), R_ADD_SYS|R_IPv6, rtvec, create, destroy);
+
+	    add_del_route("0000::", 1, local6->gateway, iface_name, R_ADD_ALL|R_IPv6, rtvec, create, destroy);
+	    add_del_route("8000::", 1, local6->gateway, iface_name, R_ADD_ALL|R_IPv6, rtvec, create, destroy);
+	  }
+
+	// fixme -- Process block-ipv6
+
+	// fixme -- Handle pushed DNS servers
+      }
+
+      static inline void add_bypass_route(const std::string& tun_iface_name,
+					  const std::string& address,
+					  bool ipv6,
+					  std::vector<IP::Route>* rtvec,
+					  ActionList& create,
+					  ActionList& destroy)
+      {
+	LinuxGW46 gw(true);
+
+	if (!ipv6 && gw.v4.defined())
+	  add_del_route(address, 32, gw.v4.addr().to_string(), gw.dev(), R_ADD_SYS, rtvec, create, destroy);
+
+	if (ipv6 && gw.v6.defined())
+	  add_del_route(address, 128, gw.v6.addr().to_string(), gw.dev(), R_ADD_SYS, rtvec, create, destroy);
+      }
+    };
+  }
+} // namespace openvpn
+
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/linux/client/tunnetlink.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/linux/client/tunnetlink.hpp
index 17f0536..6844ab4 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/linux/client/tunnetlink.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/linux/client/tunnetlink.hpp
@@ -27,22 +27,18 @@
 #include <net/if.h>
 #include <linux/if_tun.h>
 
+#include <openvpn/asio/asioerr.hpp>
 #include <openvpn/netconf/linux/gwnetlink.hpp>
 #include <openvpn/common/action.hpp>
-#include <openvpn/tun/linux/client/sitnl.hpp>
+#include <openvpn/tun/builder/setup.hpp>
 #include <openvpn/tun/client/tunbase.hpp>
+#include <openvpn/tun/linux/client/sitnl.hpp>
+#include <openvpn/tun/linux/client/tunsetup.hpp>
 
 namespace openvpn {
   namespace TunNetlink {
 
-    OPENVPN_EXCEPTION(tun_linux_error);
-    OPENVPN_EXCEPTION(tun_open_error);
-    OPENVPN_EXCEPTION(tun_layer_error);
-    OPENVPN_EXCEPTION(tun_ioctl_error);
-    OPENVPN_EXCEPTION(tun_fcntl_error);
-    OPENVPN_EXCEPTION(tun_name_error);
-    OPENVPN_EXCEPTION(tun_tx_queue_len_error);
-    OPENVPN_EXCEPTION(tun_ifconfig_error);
+    using namespace openvpn::TunLinuxSetup;
 
     struct NetlinkLinkSet : public Action
     {
@@ -600,222 +596,105 @@ namespace openvpn {
 	}
     }
 
-    inline void tun_config(const std::string& iface_name,
-			   const TunBuilderCapture& pull,
-			   std::vector<IP::Route>* rtvec,
-			   ActionList& create,
-			   ActionList& destroy)
+    struct TunMethods
     {
-      const LinuxGW46Netlink gw;
-
-      // set local4 and local6 to point to IPv4/6 route configurations
-      const TunBuilderCapture::RouteAddress* local4 = pull.vpn_ipv4();
-      const TunBuilderCapture::RouteAddress* local6 = pull.vpn_ipv6();
-
-      // configure interface
-      iface_up(iface_name, pull.mtu, create, destroy);
-      iface_config(iface_name, -1, pull, rtvec, create, destroy);
-
-      // Process Routes
+      static inline void tun_config(const std::string& iface_name,
+				    const TunBuilderCapture& pull,
+				    std::vector<IP::Route>* rtvec,
+				    ActionList& create,
+				    ActionList& destroy,
+				    bool add_bypass_routes)
       {
-	for (const auto &route : pull.add_routes)
-	  {
-	    if (route.ipv6)
-	      {
-		if (!pull.block_ipv6)
-		  add_del_route(route.address, route.prefix_length, local6->gateway, iface_name, R_ADD_ALL|R_IPv6, rtvec, create, destroy);
-	      }
-	    else
-	      {
-		if (local4 && !local4->gateway.empty())
-		  add_del_route(route.address, route.prefix_length, local4->gateway, iface_name, R_ADD_ALL, rtvec, create, destroy);
-		else
-		  OPENVPN_LOG("ERROR: IPv4 route pushed without IPv4 ifconfig and/or route-gateway");
-	      }
-	  }
-      }
+	// set local4 and local6 to point to IPv4/6 route configurations
+	const TunBuilderCapture::RouteAddress* local4 = pull.vpn_ipv4();
+	const TunBuilderCapture::RouteAddress* local6 = pull.vpn_ipv6();
 
-      // Process exclude routes
-      {
-	for (const auto &route : pull.exclude_routes)
-	  {
-	    if (route.ipv6)
-	      {
-		OPENVPN_LOG("NOTE: exclude IPv6 routes not supported yet"); // fixme
-	      }
-	    else
-	      {
-		if (gw.v4.defined())
-		  add_del_route(route.address, route.prefix_length, gw.v4.addr().to_string(), gw.v4.dev(), R_ADD_SYS, rtvec, create, destroy);
-		else
-		  OPENVPN_LOG("NOTE: cannot determine gateway for exclude IPv4 routes");
-	      }
-	  }
-      }
+	// configure interface
+	iface_up(iface_name, pull.mtu, create, destroy);
+	iface_config(iface_name, -1, pull, rtvec, create, destroy);
 
-      // Process IPv4 redirect-gateway
-      if (pull.reroute_gw.ipv4)
+	// Process Routes
 	{
-	  // add bypass route
-	  if (!pull.remote_address.ipv6 && !(pull.reroute_gw.flags & RedirectGatewayFlags::RG_LOCAL))
-	    add_del_route(pull.remote_address.address, 32, gw.v4.addr().to_string(), gw.v4.dev(), R_ADD_SYS, rtvec, create, destroy);
-
-	  add_del_route("0.0.0.0", 1, local4->gateway, iface_name, R_ADD_ALL, rtvec, create, destroy);
-	  add_del_route("128.0.0.0", 1, local4->gateway, iface_name, R_ADD_ALL, rtvec, create, destroy);
+	  for (const auto &route : pull.add_routes)
+	    {
+	      if (route.ipv6)
+		{
+		  if (!pull.block_ipv6)
+		    add_del_route(route.address, route.prefix_length, local6->gateway, iface_name, R_ADD_ALL|R_IPv6, rtvec, create, destroy);
+		}
+	      else
+		{
+		  if (local4 && !local4->gateway.empty())
+		    add_del_route(route.address, route.prefix_length, local4->gateway, iface_name, R_ADD_ALL, rtvec, create, destroy);
+		  else
+		    OPENVPN_LOG("ERROR: IPv4 route pushed without IPv4 ifconfig and/or route-gateway");
+		}
+	    }
 	}
 
-      // Process IPv6 redirect-gateway
-      if (pull.reroute_gw.ipv6 && !pull.block_ipv6)
+	// Process exclude routes
+	if (!pull.exclude_routes.empty())
 	{
-	  // add bypass route
-	  if (pull.remote_address.ipv6 && !(pull.reroute_gw.flags & RedirectGatewayFlags::RG_LOCAL))
-	    add_del_route(pull.remote_address.address, 128, gw.v6.addr().to_string(), gw.v6.dev(), R_ADD_SYS|R_IPv6, rtvec, create, destroy);
+	  LinuxGW46Netlink gw(iface_name);
 
-	  add_del_route("0000::", 1, local6->gateway, iface_name, R_ADD_ALL|R_IPv6, rtvec, create, destroy);
-	  add_del_route("8000::", 1, local6->gateway, iface_name, R_ADD_ALL|R_IPv6, rtvec, create, destroy);
+	  for (const auto &route : pull.exclude_routes)
+	    {
+	      if (route.ipv6)
+		{
+		  OPENVPN_LOG("NOTE: exclude IPv6 routes not supported yet"); // fixme
+		}
+	      else
+		{
+		  if (gw.v4.defined())
+		    add_del_route(route.address, route.prefix_length, gw.v4.addr().to_string(), gw.v4.dev(), R_ADD_SYS, rtvec, create, destroy);
+		  else
+		    OPENVPN_LOG("NOTE: cannot determine gateway for exclude IPv4 routes");
+		}
+	    }
 	}
 
-      // fixme -- Process block-ipv6
-
-      // fixme -- Handle pushed DNS servers
-    }
-
-    class Setup : public TunBuilderSetup::Base
-    {
-    public:
-      typedef RCPtr<Setup> Ptr;
-
-      struct Config : public TunBuilderSetup::Config
-      {
-	std::string iface_name;
-	Layer layer; // OSI layer
-	std::string dev_name;
-	int txqueuelen;
-
-#ifdef HAVE_JSON
-	virtual Json::Value to_json() override
-	{
-	  Json::Value root(Json::objectValue);
-	  root["iface_name"] = Json::Value(iface_name);
-	  root["layer"] = Json::Value(layer.str());
-	  root["dev_name"] = Json::Value(dev_name);
-	  root["txqueuelen"] = Json::Value(txqueuelen);
-	  return root;
-	};
-
-	virtual void from_json(const Json::Value& root, const std::string& title) override
-	{
-	  json::assert_dict(root, title);
-	  json::to_string(root, iface_name, "iface_name", title);
-	  layer = Layer::from_str(json::get_string(root, "layer", title));
-	  json::to_string(root, dev_name, "dev_name", title);
-	  json::to_int(root, txqueuelen, "txqueuelen", title);
-	}
-#endif
-      };
-
-      virtual void destroy(std::ostream &os) override
-      {
-	// remove added routes
-	if (remove_cmds)
-	  remove_cmds->execute(std::cout);
-      }
-
-      virtual int establish(const TunBuilderCapture& pull, // defined by TunBuilderSetup::Base
-			    TunBuilderSetup::Config* config,
-			    Stop* stop,
-			    std::ostream& os) override
-      {
-	// get configuration
-	Config *conf = dynamic_cast<Config *>(config);
-	if (!conf)
-	  throw tun_linux_error("missing config");
-
-	static const char node[] = "/dev/net/tun";
-	ScopedFD fd(open(node, O_RDWR));
-	if (!fd.defined())
-	  OPENVPN_THROW(tun_open_error, "error opening tun device " << node << ": " << errinfo(errno));
-
-	struct ifreq ifr;
-	std::memset(&ifr, 0, sizeof(ifr));
-	ifr.ifr_flags = IFF_ONE_QUEUE;
-	ifr.ifr_flags |= IFF_NO_PI;
-	if (conf->layer() == Layer::OSI_LAYER_3)
-	  ifr.ifr_flags |= IFF_TUN;
-	else if (conf->layer() == Layer::OSI_LAYER_2)
-	  ifr.ifr_flags |= IFF_TAP;
-	else
-	  throw tun_layer_error("unknown OSI layer");
-
-	open_unit(conf->dev_name, ifr, fd);
-
-	if (fcntl (fd(), F_SETFL, O_NONBLOCK) < 0)
-	  throw tun_fcntl_error(errinfo(errno));
-
-	// Set the TX send queue size
-	if (conf->txqueuelen)
+	// Process IPv4 redirect-gateway
+	if (pull.reroute_gw.ipv4)
 	  {
-	    struct ifreq netifr;
-	    ScopedFD ctl_fd(socket (AF_INET, SOCK_DGRAM, 0));
+	    // add bypass route
+	    if (add_bypass_routes && !pull.remote_address.ipv6 && !(pull.reroute_gw.flags & RedirectGatewayFlags::RG_LOCAL))
+	      add_bypass_route(iface_name, pull.remote_address.address, false, rtvec, create, destroy);
 
-	    if (ctl_fd.defined())
-	      {
-		std::memset(&netifr, 0, sizeof(netifr));
-		strcpy (netifr.ifr_name, ifr.ifr_name);
-		netifr.ifr_qlen = conf->txqueuelen;
-		if (ioctl (ctl_fd(), SIOCSIFTXQLEN, (void *) &netifr) < 0)
-		  throw tun_tx_queue_len_error(errinfo(errno));
-	      }
-	    else
-	      throw tun_tx_queue_len_error(errinfo(errno));
+	    add_del_route("0.0.0.0", 1, local4->gateway, iface_name, R_ADD_ALL, rtvec, create, destroy);
+	    add_del_route("128.0.0.0", 1, local4->gateway, iface_name, R_ADD_ALL, rtvec, create, destroy);
 	  }
 
-	conf->iface_name = ifr.ifr_name;
+	// Process IPv6 redirect-gateway
+	if (pull.reroute_gw.ipv6 && !pull.block_ipv6)
+	  {
+	    // add bypass route
+	    if (add_bypass_routes && pull.remote_address.ipv6 && !(pull.reroute_gw.flags & RedirectGatewayFlags::RG_LOCAL))
+	      add_bypass_route(iface_name, pull.remote_address.address, true, rtvec, create, destroy);
 
-	ActionList::Ptr add_cmds = new ActionList();
-	remove_cmds.reset(new ActionListReversed()); // remove commands executed in reversed order
+	    add_del_route("0000::", 1, local6->gateway, iface_name, R_ADD_ALL|R_IPv6, rtvec, create, destroy);
+	    add_del_route("8000::", 1, local6->gateway, iface_name, R_ADD_ALL|R_IPv6, rtvec, create, destroy);
+	  }
 
-	// configure tun properties
-	tun_config(ifr.ifr_name, pull, nullptr, *add_cmds, *remove_cmds);
+	// fixme -- Process block-ipv6
 
-	// execute commands to bring up interface
-	add_cmds->execute(std::cout);
-
-	return fd.release();
+	// fixme -- Handle pushed DNS servers
       }
 
-    private:
-      void open_unit(const std::string& name, struct ifreq& ifr, ScopedFD& fd)
+      static inline void add_bypass_route(const std::string& tun_iface_name,
+					  const std::string& address,
+					  bool ipv6,
+					  std::vector<IP::Route>* rtvec,
+					  ActionList& create,
+					  ActionList& destroy)
       {
-	if (!name.empty())
-	  {
-	    const int max_units = 256;
-	    for (int unit = 0; unit < max_units; ++unit)
-	      {
-		std::string n = name;
-		if (unit)
-		  n += openvpn::to_string(unit);
-		if (n.length() < IFNAMSIZ)
-		  ::strcpy (ifr.ifr_name, n.c_str());
-		else
-		  throw tun_name_error();
-		if (ioctl (fd(), TUNSETIFF, (void *) &ifr) == 0)
-		  return;
-	      }
-	    const int eno = errno;
-	    OPENVPN_THROW(tun_ioctl_error, "failed to open tun device '" << name << "' after trying " << max_units << " units : " << errinfo(eno));
-	  }
-	else
-	  {
-	    if (ioctl (fd(), TUNSETIFF, (void *) &ifr) < 0)
-	      {
-		const int eno = errno;
-		OPENVPN_THROW(tun_ioctl_error, "failed to open tun device '" << name << "' : " << errinfo(eno));
-	      }
-	  }
-      }
+	LinuxGW46Netlink gw(tun_iface_name, address);
 
-      ActionListReversed::Ptr remove_cmds;
+	if (!ipv6 && gw.v4.defined())
+	  add_del_route(address, 32, gw.v4.addr().to_string(), gw.dev(), R_ADD_SYS, rtvec, create, destroy);
+
+	if (ipv6 && gw.v6.defined())
+	  add_del_route(address, 128, gw.v6.addr().to_string(), gw.dev(), R_ADD_SYS, rtvec, create, destroy);
+      }
     };
   }
 } // namespace openvpn
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/linux/client/tunsetup.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/linux/client/tunsetup.hpp
index 0d9eadb..0ed4edb 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/linux/client/tunsetup.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/linux/client/tunsetup.hpp
@@ -39,6 +39,7 @@
 #include <openvpn/common/process.hpp>
 #include <openvpn/common/action.hpp>
 #include <openvpn/addr/route.hpp>
+#include <openvpn/asio/asioerr.hpp>
 #include <openvpn/tun/builder/capture.hpp>
 #include <openvpn/tun/builder/setup.hpp>
 #include <openvpn/tun/client/tunbase.hpp>
@@ -46,7 +47,7 @@
 #include <openvpn/netconf/linux/gw.hpp>
 
 namespace openvpn {
-  namespace TunLinux {
+  namespace TunLinuxSetup {
 
     OPENVPN_EXCEPTION(tun_linux_error);
     OPENVPN_EXCEPTION(tun_open_error);
@@ -57,290 +58,26 @@ namespace openvpn {
     OPENVPN_EXCEPTION(tun_tx_queue_len_error);
     OPENVPN_EXCEPTION(tun_ifconfig_error);
 
-    enum { // add_del_route flags
-      R_IPv6=(1<<0),
-      R_ADD_SYS=(1<<1),
-      R_ADD_DCO=(1<<2),
-      R_ADD_ALL=R_ADD_SYS|R_ADD_DCO,
-    };
-
-    inline IP::Addr cvt_pnr_ip_v4(const std::string& hexaddr)
-    {
-      BufferAllocated v(4, BufferAllocated::CONSTRUCT_ZERO);
-      parse_hex(v, hexaddr);
-      if (v.size() != 4)
-	throw tun_linux_error("bad hex address");
-      IPv4::Addr ret = IPv4::Addr::from_bytes(v.data());
-      return IP::Addr::from_ipv4(ret);
-    }
-
-    inline void add_del_route(const std::string& addr_str,
-			      const int prefix_len,
-			      const std::string& gateway_str,
-			      const std::string& dev,
-			      const unsigned int flags,
-			      std::vector<IP::Route>* rtvec,
-			      Action::Ptr& create,
-			      Action::Ptr& destroy)
-    {
-      if (flags & R_IPv6)
-	{
-	  const IPv6::Addr addr = IPv6::Addr::from_string(addr_str);
-	  const IPv6::Addr netmask = IPv6::Addr::netmask_from_prefix_len(prefix_len);
-	  const IPv6::Addr net = addr & netmask;
-
-	  if (flags & R_ADD_SYS)
-	    {
-	      // ip route add 2001:db8:1::/48 via 2001:db8:1::1
-	      Command::Ptr add(new Command);
-	      add->argv.push_back("/sbin/ip");
-	      add->argv.push_back("-6");
-	      add->argv.push_back("route");
-	      add->argv.push_back("add");
-	      add->argv.push_back(net.to_string() + '/' + openvpn::to_string(prefix_len));
-	      add->argv.push_back("via");
-	      add->argv.push_back(gateway_str);
-	      if (!dev.empty())
-		{
-		  add->argv.push_back("dev");
-		  add->argv.push_back(dev);
-		}
-	      create = add;
-
-	      // for the destroy command, copy the add command but replace "add" with "delete"
-	      Command::Ptr del(add->copy());
-	      del->argv[3] = "del";
-	      destroy = del;
-	    }
-
-	  if (rtvec && (flags & R_ADD_DCO))
-	    rtvec->emplace_back(IP::Addr::from_ipv6(net), prefix_len);
-	}
-      else
-	{
-	  const IPv4::Addr addr = IPv4::Addr::from_string(addr_str);
-	  const IPv4::Addr netmask = IPv4::Addr::netmask_from_prefix_len(prefix_len);
-	  const IPv4::Addr net = addr & netmask;
-
-	  if (flags & R_ADD_SYS)
-	    {
-	      // ip route add 192.0.2.128/25 via 192.0.2.1
-	      Command::Ptr add(new Command);
-	      add->argv.push_back("/sbin/ip");
-	      add->argv.push_back("-4");
-	      add->argv.push_back("route");
-	      add->argv.push_back("add");
-	      add->argv.push_back(net.to_string() + '/' + openvpn::to_string(prefix_len));
-	      add->argv.push_back("via");
-	      add->argv.push_back(gateway_str);
-	      create = add;
-
-	      // for the destroy command, copy the add command but replace "add" with "delete"
-	      Command::Ptr del(add->copy());
-	      del->argv[3] = "del";
-	      destroy = del;
-	    }
-
-	  if (rtvec && (flags & R_ADD_DCO))
-	    rtvec->emplace_back(IP::Addr::from_ipv4(net), prefix_len);
-	}
-    }
-
-    inline void add_del_route(const std::string& addr_str,
-			      const int prefix_len,
-			      const std::string& gateway_str,
-			      const std::string& dev,
-			      const unsigned int flags,// add interface route to rtvec if defined
-			      std::vector<IP::Route>* rtvec,
-			      ActionList& create,
-			      ActionList& destroy)
-    {
-      Action::Ptr c, d;
-      add_del_route(addr_str, prefix_len, gateway_str, dev, flags, rtvec, c, d);
-      create.add(c);
-      destroy.add(d);
-    }
-
-    inline void iface_up(const std::string& iface_name,
-			     const int mtu,
-			     ActionList& create,
-			     ActionList& destroy)
-    {
-      {
-	Command::Ptr add(new Command);
-	add->argv.push_back("/sbin/ip");
-	add->argv.push_back("link");
-	add->argv.push_back("set");
-	add->argv.push_back(iface_name);
-	add->argv.push_back("up");
-	if (mtu > 0)
-	  {
-	    add->argv.push_back("mtu");
-	    add->argv.push_back(openvpn::to_string(mtu));
-	  }
-	create.add(add);
-
-	// for the destroy command, copy the add command but replace "up" with "down"
-	Command::Ptr del(add->copy());
-	del->argv[4] = "down";
-	destroy.add(del);
-      }
-    }
-
-    inline void iface_config(const std::string& iface_name,
-			     int unit,
-			     const TunBuilderCapture& pull,
-			     std::vector<IP::Route>* rtvec,
-			     ActionList& create,
-			     ActionList& destroy)
-    {
-      // set local4 and local6 to point to IPv4/6 route configurations
-      const TunBuilderCapture::RouteAddress* local4 = pull.vpn_ipv4();
-      const TunBuilderCapture::RouteAddress* local6 = pull.vpn_ipv6();
-
-      // Set IPv4 Interface
-      if (local4)
-	{
-	  Command::Ptr add(new Command);
-	  add->argv.push_back("/sbin/ip");
-	  add->argv.push_back("-4");
-	  add->argv.push_back("addr");
-	  add->argv.push_back("add");
-	  add->argv.push_back(local4->address + '/' + openvpn::to_string(local4->prefix_length));
-	  add->argv.push_back("broadcast");
-	  add->argv.push_back((IPv4::Addr::from_string(local4->address) | ~IPv4::Addr::netmask_from_prefix_len(local4->prefix_length)).to_string());
-	  add->argv.push_back("dev");
-	  add->argv.push_back(iface_name);
-	  if (unit >= 0)
-	    {
-	      add->argv.push_back("label");
-	      add->argv.push_back(iface_name + ':' + openvpn::to_string(unit));
-	    }
-	  create.add(add);
-
-	  // for the destroy command, copy the add command but replace "add" with "delete"
-	  Command::Ptr del(add->copy());
-	  del->argv[3] = "del";
-	  destroy.add(del);
-
-	  // add interface route to rtvec if defined
-	  add_del_route(local4->address, local4->prefix_length, local4->address, iface_name, R_ADD_DCO, rtvec, create, destroy);
-	}
-
-      // Set IPv6 Interface
-      if (local6 && !pull.block_ipv6)
-	{
-	  Command::Ptr add(new Command);
-	  add->argv.push_back("/sbin/ip");
-	  add->argv.push_back("-6");
-	  add->argv.push_back("addr");
-	  add->argv.push_back("add");
-	  add->argv.push_back(local6->address + '/' + openvpn::to_string(local6->prefix_length));
-	  add->argv.push_back("dev");
-	  add->argv.push_back(iface_name);
-	  create.add(add);
-
-	  // for the destroy command, copy the add command but replace "add" with "delete"
-	  Command::Ptr del(add->copy());
-	  del->argv[3] = "del";
-	  destroy.add(del);
-
-	  // add interface route to rtvec if defined
-	  add_del_route(local6->address, local6->prefix_length, local6->address, iface_name, R_ADD_DCO|R_IPv6, rtvec, create, destroy);
-	}
-    }
-
-    inline void tun_config(const std::string& iface_name,
-			   const TunBuilderCapture& pull,
-			   std::vector<IP::Route>* rtvec,
-			   ActionList& create,
-			   ActionList& destroy)
-    {
-      const LinuxGW46 gw(true);
-
-      // set local4 and local6 to point to IPv4/6 route configurations
-      const TunBuilderCapture::RouteAddress* local4 = pull.vpn_ipv4();
-      const TunBuilderCapture::RouteAddress* local6 = pull.vpn_ipv6();
-
-      // configure interface
-      iface_up(iface_name, pull.mtu, create, destroy);
-      iface_config(iface_name, -1, pull, rtvec, create, destroy);
-
-      // Process Routes
-      {
-	for (const auto &route : pull.add_routes)
-	  {
-	    if (route.ipv6)
-	      {
-		if (!pull.block_ipv6)
-		  add_del_route(route.address, route.prefix_length, local6->gateway, iface_name, R_ADD_ALL|R_IPv6, rtvec, create, destroy);
-	      }
-	    else
-	      {
-		if (local4 && !local4->gateway.empty())
-		  add_del_route(route.address, route.prefix_length, local4->gateway, iface_name, R_ADD_ALL, rtvec, create, destroy);
-		else
-		  OPENVPN_LOG("ERROR: IPv4 route pushed without IPv4 ifconfig and/or route-gateway");
-	      }
-	  }
-      }
-
-      // Process exclude routes
-      {
-	for (const auto &route : pull.exclude_routes)
-	  {
-	    if (route.ipv6)
-	      {
-		OPENVPN_LOG("NOTE: exclude IPv6 routes not supported yet"); // fixme
-	      }
-	    else
-	      {
-		if (gw.v4.defined())
-		  add_del_route(route.address, route.prefix_length, gw.v4.addr().to_string(), gw.v4.dev(), R_ADD_SYS, rtvec, create, destroy);
-		else
-		  OPENVPN_LOG("NOTE: cannot determine gateway for exclude IPv4 routes");
-	      }
-	  }
-      }
-
-      // Process IPv4 redirect-gateway
-      if (pull.reroute_gw.ipv4)
-	{
-	  // add bypass route
-	  if (!pull.remote_address.ipv6 && !(pull.reroute_gw.flags & RedirectGatewayFlags::RG_LOCAL))
-	    add_del_route(pull.remote_address.address, 32, gw.v4.addr().to_string(), gw.v4.dev(), R_ADD_SYS, rtvec, create, destroy);
-
-	  add_del_route("0.0.0.0", 1, local4->gateway, iface_name, R_ADD_ALL, rtvec, create, destroy);
-	  add_del_route("128.0.0.0", 1, local4->gateway, iface_name, R_ADD_ALL, rtvec, create, destroy);
-	}
-
-      // Process IPv6 redirect-gateway
-      if (pull.reroute_gw.ipv6 && !pull.block_ipv6)
-	{
-	  // add bypass route
-	  if (pull.remote_address.ipv6 && !(pull.reroute_gw.flags & RedirectGatewayFlags::RG_LOCAL))
-	    add_del_route(pull.remote_address.address, 128, gw.v6.addr().to_string(), gw.v6.dev(), R_ADD_SYS|R_IPv6, rtvec, create, destroy);
-
-	  add_del_route("0000::", 1, local6->gateway, iface_name, R_ADD_ALL|R_IPv6, rtvec, create, destroy);
-	  add_del_route("8000::", 1, local6->gateway, iface_name, R_ADD_ALL|R_IPv6, rtvec, create, destroy);
-	}
-
-      // fixme -- Process block-ipv6
-
-      // fixme -- Handle pushed DNS servers
-    }
-
+    template <class TUNMETHODS>
     class Setup : public TunBuilderSetup::Base
     {
     public:
       typedef RCPtr<Setup> Ptr;
 
+      // This empty constructor shouldn't be needed, but due to a
+      // plausible compiler bug in GCC 4.8.5 (RHEL 7), this empty
+      // constructor is required to be able to build.  This is
+      // related to the member initialization of the private
+      // remove_cmds_bypass_gw and remove_cmds class members.
+      Setup() {}
+
       struct Config : public TunBuilderSetup::Config
       {
 	std::string iface_name;
 	Layer layer; // OSI layer
 	std::string dev_name;
 	int txqueuelen;
+	bool add_bypass_routes_on_establish; // required when not using tunbuilder
 
 #ifdef HAVE_JSON
 	virtual Json::Value to_json() override
@@ -364,17 +101,39 @@ namespace openvpn {
 #endif
       };
 
-      virtual void destroy(std::ostream &os) override
+      void destroy(std::ostream &os) override
       {
 	// remove added routes
-	if (remove_cmds)
-	  remove_cmds->execute(std::cout);
+	remove_cmds->execute(os);
+
+	// remove bypass route
+	remove_cmds_bypass_gw->execute(os);
       }
 
-      virtual int establish(const TunBuilderCapture& pull, // defined by TunBuilderSetup::Base
-			    TunBuilderSetup::Config* config,
-			    Stop* stop,
-			    std::ostream& os) override
+      bool add_bypass_route(const std::string& address,
+			    bool ipv6,
+			    std::ostream& os)
+      {
+	// nothing to do if we reconnect to the same gateway
+	if (connected_gw == address)
+	  return true;
+
+	// remove previous bypass route
+	remove_cmds_bypass_gw->execute(os);
+	remove_cmds_bypass_gw->clear();
+
+	ActionList::Ptr add_cmds = new ActionList();
+	TUNMETHODS::add_bypass_route(tun_iface_name, address, ipv6, nullptr, *add_cmds, *remove_cmds_bypass_gw);
+
+	// add gateway bypass route
+	add_cmds->execute(os);
+	return true;
+      }
+
+      int establish(const TunBuilderCapture& pull, // defined by TunBuilderSetup::Base
+		    TunBuilderSetup::Config* config,
+		    Stop* stop,
+		    std::ostream& os) override
       {
 	// get configuration
 	Config *conf = dynamic_cast<Config *>(config);
@@ -421,15 +180,22 @@ namespace openvpn {
 	  }
 
 	conf->iface_name = ifr.ifr_name;
+	tun_iface_name = ifr.ifr_name;
 
 	ActionList::Ptr add_cmds = new ActionList();
-	remove_cmds.reset(new ActionListReversed()); // remove commands executed in reversed order
+	ActionList::Ptr remove_cmds_new = new ActionListReversed();
 
 	// configure tun properties
-	tun_config(ifr.ifr_name, pull, nullptr, *add_cmds, *remove_cmds);
+	TUNMETHODS::tun_config(ifr.ifr_name, pull, nullptr, *add_cmds, *remove_cmds_new, conf->add_bypass_routes_on_establish);
 
 	// execute commands to bring up interface
-	add_cmds->execute(std::cout);
+	add_cmds->execute(os);
+
+	// tear down old routes
+	remove_cmds->execute(os);
+	std::swap(remove_cmds, remove_cmds_new);
+
+	connected_gw = pull.remote_address.to_string();
 
 	return fd.release();
       }
@@ -465,7 +231,12 @@ namespace openvpn {
 	  }
       }
 
-      ActionListReversed::Ptr remove_cmds;
+      ActionList::Ptr remove_cmds_bypass_gw = new ActionList();
+      ActionListReversed::Ptr remove_cmds = new ActionListReversed();
+
+      std::string connected_gw;
+
+      std::string tun_iface_name; // used to skip tun-based default gw when add bypass route
     };
   }
 } // namespace openvpn
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/mac/client/tunsetup.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/mac/client/tunsetup.hpp
index 3f56cc0..c4a3030 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/mac/client/tunsetup.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/mac/client/tunsetup.hpp
@@ -64,6 +64,7 @@ namespace openvpn {
 	std::string iface_name;
 	Layer layer;               // OSI layer
 	bool tun_prefix = false;
+	bool add_bypass_routes_on_establish = false;
 
 #ifdef HAVE_JSON
 	virtual Json::Value to_json() override
@@ -85,6 +86,14 @@ namespace openvpn {
 #endif
       };
 
+      bool add_bypass_route(const std::string& address,
+			    bool ipv6,
+			    std::ostream& os)
+      {
+        // not yet implemented
+        return true;
+      }
+
       virtual int establish(const TunBuilderCapture& pull, // defined by TunBuilderSetup::Base
 			    TunBuilderSetup::Config* config,
 			    Stop* stop,
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/tunio.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/tunio.hpp
index 51aa900..ff2d6f2 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/tunio.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/tunio.hpp
@@ -45,14 +45,15 @@ namespace openvpn {
 
     TunIO(ReadHandler read_handler_arg,
 	  const Frame::Ptr& frame_arg,
-	  const SessionStats::Ptr& stats_arg)
+	  const SessionStats::Ptr& stats_arg,
+	  const size_t frame_context_type=Frame::READ_TUN)
       : stream(nullptr),
 	retain_stream(false),
 	tun_prefix(false),
 	halt(false),
 	read_handler(read_handler_arg),
 	frame(frame_arg),
-	frame_context((*frame_arg)[Frame::READ_TUN]),
+	frame_context((*frame_arg)[frame_context_type]),
 	stats(stats_arg)
       {
       }
@@ -115,7 +116,8 @@ namespace openvpn {
 	  catch (openvpn_io::system_error& e)
 	    {
 	      OPENVPN_LOG_TUN_ERROR("TUN write exception: " << e.what());
-	      tun_error(Error::TUN_WRITE_ERROR, &e.code());
+	      const openvpn_io::error_code code(e.code());
+	      tun_error(Error::TUN_WRITE_ERROR, &code);
 	      return false;
 	    }
 	}
@@ -148,7 +150,8 @@ namespace openvpn {
 	  catch (openvpn_io::system_error& e)
 	    {
 	      OPENVPN_LOG_TUN_ERROR("TUN write exception: " << e.what());
-	      tun_error(Error::TUN_WRITE_ERROR, &e.code());
+	      const openvpn_io::error_code code(e.code());
+	      tun_error(Error::TUN_WRITE_ERROR, &code);
 	      return false;
 	    }
 	}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/win/client/setupbase.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/win/client/setupbase.hpp
index 2d186d7..6c8a29b 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/win/client/setupbase.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/win/client/setupbase.hpp
@@ -4,7 +4,7 @@
 //               packet encryption, packet authentication, and
 //               packet compression.
 //
-//    Copyright (C) 2012-2017 OpenVPN Inc.
+//    Copyright (C) 2012-2017 OpenVPN Inc.
 //
 //    This program is free software: you can redistribute it and/or modify
 //    it under the terms of the GNU Affero General Public License Version 3
@@ -67,7 +67,7 @@ namespace openvpn {
     {
       typedef RCPtr<SetupFactory> Ptr;
 
-      virtual SetupBase::Ptr new_setup_obj(openvpn_io::io_context& io_context) = 0;
+      virtual SetupBase::Ptr new_setup_obj(openvpn_io::io_context& io_context, bool wintun) = 0;
     };
   }
 }
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/win/client/tuncli.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/win/client/tuncli.hpp
index ac23be5..8b7b2ab 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/win/client/tuncli.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/win/client/tuncli.hpp
@@ -41,6 +41,10 @@
 #include <openvpn/tun/win/client/tunsetup.hpp>
 #include <openvpn/win/modname.hpp>
 
+#define OPENVPN_WINTUN_START_PADDING_LEN  12
+#define OPENVPN_WINTUN_PACKET_SIZE_LEN    4
+#define OPENVPN_WINTUN_PACKET_ALIGN       16
+
 namespace openvpn {
   namespace TunWin {
 
@@ -67,8 +71,9 @@ namespace openvpn {
 	  const bool retain_stream,
 	  ReadHandler read_handler,
 	  const Frame::Ptr& frame,
-	  const SessionStats::Ptr& stats)
-	: Base(read_handler, frame, stats)
+	  const SessionStats::Ptr& stats,
+	  const bool wintun)
+	: Base(read_handler, frame, stats, wintun ? Frame::READ_WINTUN : Frame::READ_TUN)
       {
 	Base::name_ = name;
 	Base::retain_stream = retain_stream;
@@ -90,6 +95,7 @@ namespace openvpn {
 
       TunProp::Config tun_prop;
       int n_parallel = 8;         // number of parallel async reads on tun socket
+      bool wintun = false;	  // wintun may return up to 256 packets
 
       Frame::Ptr frame;
       SessionStats::Ptr stats;
@@ -103,9 +109,9 @@ namespace openvpn {
       TunWin::SetupBase::Ptr new_setup_obj(openvpn_io::io_context& io_context)
       {
 	if (tun_setup_factory)
-	  return tun_setup_factory->new_setup_obj(io_context);
+	  return tun_setup_factory->new_setup_obj(io_context, wintun);
 	else
-	  return new TunWin::Setup(io_context);
+	  return new TunWin::Setup(io_context, wintun);
       }
 
       static Ptr new_obj()
@@ -219,8 +225,8 @@ namespace openvpn {
 				     true,
 				     this,
 				     config->frame,
-				     config->stats
-				     ));
+				     config->stats,
+				     config->wintun));
 	      impl->start(config->n_parallel);
 
 	      if (!dhcp_capture)
@@ -301,7 +307,8 @@ namespace openvpn {
 	   parent(parent_arg),
 	   state(new TunProp::State()),
 	   l2_timer(io_context_arg),
-	   halt(false)
+	   halt(false),
+	   frame_context((*config_arg->frame)[Frame::READ_TUN])
       {
       }
 
@@ -311,6 +318,20 @@ namespace openvpn {
 	  {
 	    if (dhcp_capture)
 	      dhcp_inspect(buf);
+
+	    if (config->wintun)
+	    {
+	      // end padding
+	      auto packet_size = buf.size();
+	      auto end_padding_size = OPENVPN_WINTUN_PACKET_ALIGN -
+		(buf.size() & (OPENVPN_WINTUN_PACKET_ALIGN - 1));
+	      buf.write(wintun_padding, end_padding_size);
+
+	      // start padding and size
+	      buf.prepend(wintun_padding, OPENVPN_WINTUN_START_PADDING_LEN);
+	      buf.prepend((unsigned char *)&packet_size, OPENVPN_WINTUN_PACKET_SIZE_LEN);
+	    }
+
 	    return impl->write(buf);
 	  }
 	else
@@ -322,7 +343,35 @@ namespace openvpn {
 
       void tun_read_handler(PacketFrom::SPtr& pfp) // called by TunImpl
       {
-	parent.tun_recv(pfp->buf);
+	if (config->wintun)
+	  {
+	    // we might receive up to 256 packets
+	    while (pfp->buf.size() > 0)
+	    {
+	      // parse wintun encapsulation
+	      auto packet_size = *(std::uint32_t*)pfp->buf.c_data();
+	      pfp->buf.advance(OPENVPN_WINTUN_PACKET_SIZE_LEN);
+	      pfp->buf.advance(OPENVPN_WINTUN_START_PADDING_LEN);
+
+	      // extract individual packet
+	      frame_context.prepare(wintun_packet);
+	      wintun_packet.write(pfp->buf.c_data(), packet_size);
+
+	      parent.tun_recv(wintun_packet);
+
+	      // skip to the next packet
+	      pfp->buf.advance(packet_size);
+
+	      auto padding = (OPENVPN_WINTUN_PACKET_ALIGN -
+		(packet_size & (OPENVPN_WINTUN_PACKET_ALIGN - 1))) % OPENVPN_WINTUN_PACKET_ALIGN;
+	      pfp->buf.advance(padding);
+	    }
+	  }
+	else
+	  {
+	    parent.tun_recv(pfp->buf);
+	  }
+
 #ifdef OPENVPN_DEBUG_TAPWIN
 	tap_process_logging();
 #endif
@@ -438,6 +487,10 @@ namespace openvpn {
       std::unique_ptr<DHCPCapture> dhcp_capture;
       AsioTimer l2_timer;
 
+      unsigned char wintun_padding[OPENVPN_WINTUN_PACKET_ALIGN] = {};
+      BufferAllocated wintun_packet;
+      Frame::Context& frame_context;
+
       bool halt;
     };
 
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/win/client/tunsetup.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/win/client/tunsetup.hpp
index 750ea0b..c902572 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/win/client/tunsetup.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/win/client/tunsetup.hpp
@@ -60,8 +60,9 @@ namespace openvpn {
     public:
       typedef RCPtr<Setup> Ptr;
 
-      Setup(openvpn_io::io_context& io_context_arg)
-	: delete_route_timer(io_context_arg) {}
+      Setup(openvpn_io::io_context& io_context_arg, bool wintun_arg=false)
+	: delete_route_timer(io_context_arg),
+	  wintun(wintun_arg) {}
 
       // Set up the TAP device
       virtual HANDLE establish(const TunBuilderCapture& pull,
@@ -73,13 +74,13 @@ namespace openvpn {
 	destroy(os);
 
 	// enumerate available TAP adapters
-	Util::TapNameGuidPairList guids;
+	Util::TapNameGuidPairList guids(wintun);
 	os << "TAP ADAPTERS:" << std::endl << guids.to_string() << std::endl;
 
 	// open TAP device handle
 	std::string path_opened;
 	Util::TapNameGuidPair tap;
-	Win::ScopedHANDLE th(Util::tap_open(guids, path_opened, tap));
+	Win::ScopedHANDLE th(Util::tap_open(guids, path_opened, tap, wintun));
 	const std::string msg = "Open TAP device \"" + tap.name + "\" PATH=\"" + path_opened + '\"';
 
 	if (!th.defined())
@@ -89,8 +90,11 @@ namespace openvpn {
 	  }
 
 	os << msg << " SUCCEEDED" << std::endl;
-	Util::TAPDriverVersion version(th());
-	os << version.to_string() << std::endl;
+	if (!wintun)
+	  {
+	    Util::TAPDriverVersion version(th());
+	    os << version.to_string() << std::endl;
+	  }
 
 	// create ActionLists for setting up and removing adapter properties
 	ActionList::Ptr add_cmds(new ActionList());
@@ -100,7 +104,7 @@ namespace openvpn {
 	switch (pull.layer())
 	  {
 	  case Layer::OSI_LAYER_3:
-	    adapter_config(th(), openvpn_app_path, tap, pull, false, *add_cmds, *remove_cmds, os);
+	    adapter_config(th(), openvpn_app_path, tap, wintun, pull, false, *add_cmds, *remove_cmds, os);
 	    break;
 	  case Layer::OSI_LAYER_2:
 	    adapter_config_l2(th(), openvpn_app_path, tap, pull, *add_cmds, *remove_cmds, os);
@@ -158,7 +162,7 @@ namespace openvpn {
 	  {
 	    Win::ScopedHANDLE nh;
 	    ActionList::Ptr add_cmds(new ActionList());
-	    adapter_config(nh(), l2s->openvpn_app_path, l2s->tap, pull, true, *add_cmds, *remove_cmds, os);
+	    adapter_config(nh(), l2s->openvpn_app_path, l2s->tap, wintun, pull, true, *add_cmds, *remove_cmds, os);
 	    add_cmds->execute(os);
 	  }
       }
@@ -251,6 +255,7 @@ namespace openvpn {
       void adapter_config(HANDLE th,
 			  const std::wstring& openvpn_app_path,
 			  const Util::TapNameGuidPair& tap,
+			  bool wintun,
 			  const TunBuilderCapture& pull,
 			  const bool l2_post,
 			  ActionList& create,
@@ -273,7 +278,8 @@ namespace openvpn {
 	if (!l2_post)
 	  {
 	    // set TAP media status to CONNECTED
-	    Util::tap_set_media_status(th, true);
+	    if (!wintun)
+	      Util::tap_set_media_status(th, true);
 
 	    // try to delete any stale routes on interface left over from previous session
 	    create.add(new Util::ActionDeleteAllRoutesOnInterface(tap.index));
@@ -302,10 +308,13 @@ namespace openvpn {
 		const std::string metric = route_metric_opt(pull, *local4, MT_IFACE);
 		const std::string netmask = IPv4::Addr::netmask_from_prefix_len(local4->prefix_length).to_string();
 		const IP::Addr localaddr = IP::Addr::from_string(local4->address);
-		if (local4->net30)
-		  Util::tap_configure_topology_net30(th, localaddr, local4->prefix_length);
-		else
-		  Util::tap_configure_topology_subnet(th, localaddr, local4->prefix_length);
+		if (!wintun)
+		  {
+		    if (local4->net30)
+		      Util::tap_configure_topology_net30(th, localaddr, local4->prefix_length);
+		    else
+		      Util::tap_configure_topology_subnet(th, localaddr, local4->prefix_length);
+		  }
 		create.add(new WinCmd("netsh interface ip set address " + tap_index_name + " static " + local4->address + ' ' + netmask + " gateway=" + local4->gateway + metric + " store=active"));
 		destroy.add(new WinCmd("netsh interface ip delete address " + tap_index_name + ' ' + local4->address + " gateway=all store=active"));
 
@@ -671,7 +680,8 @@ namespace openvpn {
 	    }
 
 	    // set TAP media status to CONNECTED
-	    Util::tap_set_media_status(th, true);
+	    if (!wintun)
+	      Util::tap_set_media_status(th, true);
 
 	    // ARP
 	    Util::flush_arp(tap.index, os);
@@ -859,6 +869,8 @@ namespace openvpn {
       ActionList::Ptr remove_cmds;
 
       AsioTimer delete_route_timer;
+
+      bool wintun = false;
     };
   }
 }
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/win/tunutil.hpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/win/tunutil.hpp
index 8ca1cdb..6b93056 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/win/tunutil.hpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/openvpn/tun/win/tunutil.hpp
@@ -33,6 +33,7 @@
 #include <ntddndis.h>
 #include <wininet.h>
 #include <ws2tcpip.h> // for IPv6
+#include <tlhelp32.h> // for impersonating as LocalSystem
 
 #include <string>
 #include <vector>
@@ -71,17 +72,20 @@ namespace openvpn {
 
 	// generally defined on cl command line
 	const char COMPONENT_ID[] = OPENVPN_STRINGIZE(TAP_WIN_COMPONENT_ID); // CONST GLOBAL
+	const char WINTUN_COMPONENT_ID[] = "wintun"; // CONST GLOBAL
       }
 
+      using TapGuidLuid = std::pair<std::string, DWORD>;
+
       // Return a list of TAP device GUIDs installed on the system,
       // filtered by TAP_WIN_COMPONENT_ID.
-      inline std::vector<std::string> tap_guids()
+      inline std::vector<TapGuidLuid> tap_guids(bool wintun)
       {
 	LONG status;
 	DWORD len;
 	DWORD data_type;
 
-	std::vector<std::string> ret;
+	std::vector<TapGuidLuid> ret;
 
 	Win::RegKey adapter_key;
 	status = ::RegOpenKeyExA(HKEY_LOCAL_MACHINE,
@@ -139,9 +143,11 @@ namespace openvpn {
 	    if (status != ERROR_SUCCESS || data_type != REG_SZ)
 	      continue;
 	    strbuf[len] = '\0';
-	    if (std::strcmp(strbuf, COMPONENT_ID))
+	    if (std::strcmp(strbuf, wintun ? WINTUN_COMPONENT_ID : COMPONENT_ID))
 	      continue;
 
+	    TapGuidLuid tgl;
+
 	    len = sizeof(strbuf);
 	    status = ::RegQueryValueExA(unit_key(),
 					"NetCfgInstanceId",
@@ -153,8 +159,24 @@ namespace openvpn {
 	    if (status == ERROR_SUCCESS && data_type == REG_SZ)
 	      {
 		strbuf[len] = '\0';
-		ret.push_back(std::string(strbuf));
+		tgl.first = std::string(strbuf);
 	      }
+
+	    DWORD luid;
+	    len = sizeof(luid);
+	    status = ::RegQueryValueExA(unit_key(),
+					"NetLuidIndex",
+					nullptr,
+					&data_type,
+					(LPBYTE)&luid,
+					&len);
+
+	    if (status == ERROR_SUCCESS && data_type == REG_DWORD)
+	      {
+		tgl.second = luid;
+	      }
+
+	    ret.push_back(tgl);
 	  }
 	return ret;
       }
@@ -177,20 +199,22 @@ namespace openvpn {
 
 	std::string name;
 	std::string guid;
+	DWORD net_luid_index;
 	DWORD index;
       };
 
       struct TapNameGuidPairList : public std::vector<TapNameGuidPair>
       {
-	TapNameGuidPairList()
+	TapNameGuidPairList(bool wintun)
 	{
 	  // first get the TAP guids
 	  {
-	    std::vector<std::string> guids = tap_guids();
-	    for (std::vector<std::string>::const_iterator i = guids.begin(); i != guids.end(); i++)
+	    std::vector<TapGuidLuid> guids = tap_guids(wintun);
+	    for (auto i = guids.begin(); i != guids.end(); i++)
 	      {
 		TapNameGuidPair pair;
-		pair.guid = *i;
+		pair.guid = i->first;
+		pair.net_luid_index = i->second;
 
 		// lookup adapter index
 		{
@@ -318,16 +342,101 @@ namespace openvpn {
 	}
       };
 
-      // given a TAP GUID, form the pathname of the TAP device node
-      inline std::string tap_path(const std::string& tap_guid)
+      inline HANDLE impersonate_as_system()
       {
-	return std::string(USERMODEDEVICEDIR) + tap_guid + std::string(TAP_WIN_SUFFIX);
+	HANDLE thread_token, process_snapshot, winlogon_process, winlogon_token, duplicated_token, file_handle;
+	PROCESSENTRY32 entry = {};
+	entry.dwSize = sizeof(PROCESSENTRY32);
+	BOOL ret;
+	DWORD pid = 0;
+	TOKEN_PRIVILEGES privileges = {};
+	privileges.PrivilegeCount = 1;
+	privileges.Privileges->Attributes = SE_PRIVILEGE_ENABLED;
+
+	if (!LookupPrivilegeValue(NULL, SE_DEBUG_NAME, &privileges.Privileges[0].Luid))
+	  return INVALID_HANDLE_VALUE;
+	if (!ImpersonateSelf(SecurityImpersonation))
+	  return INVALID_HANDLE_VALUE;
+	if (!OpenThreadToken(GetCurrentThread(), TOKEN_ADJUST_PRIVILEGES, FALSE, &thread_token))
+	  {
+	    RevertToSelf();
+	    return INVALID_HANDLE_VALUE;
+	  }
+	if (!AdjustTokenPrivileges(thread_token, FALSE, &privileges, sizeof(privileges), NULL, NULL))
+	  {
+	    CloseHandle(thread_token);
+	    RevertToSelf();
+	    return INVALID_HANDLE_VALUE;
+	  }
+	CloseHandle(thread_token);
+
+	process_snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
+	if (process_snapshot == INVALID_HANDLE_VALUE)
+	  {
+	    RevertToSelf();
+	    return INVALID_HANDLE_VALUE;
+	  }
+	for (ret = Process32First(process_snapshot, &entry); ret; ret = Process32Next(process_snapshot, &entry))
+	  {
+	    if (!_stricmp(entry.szExeFile, "winlogon.exe"))
+	      {
+		pid = entry.th32ProcessID;
+		break;
+	      }
+	  }
+	CloseHandle(process_snapshot);
+	if (!pid)
+	  {
+	    RevertToSelf();
+	    return INVALID_HANDLE_VALUE;
+	  }
+
+	winlogon_process = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, pid);
+	if (!winlogon_process)
+	  {
+	    RevertToSelf();
+	    return INVALID_HANDLE_VALUE;
+	  }
+
+	if (!OpenProcessToken(winlogon_process, TOKEN_IMPERSONATE | TOKEN_DUPLICATE, &winlogon_token))
+	  {
+	    CloseHandle(winlogon_process);
+	    RevertToSelf();
+	    return INVALID_HANDLE_VALUE;
+	  }
+	CloseHandle(winlogon_process);
+
+	if (!DuplicateToken(winlogon_token, SecurityImpersonation, &duplicated_token))
+	  {
+	    CloseHandle(winlogon_token);
+	    RevertToSelf();
+	    return INVALID_HANDLE_VALUE;
+	  }
+	CloseHandle(winlogon_token);
+
+	if (!SetThreadToken(NULL, duplicated_token))
+	  {
+	    CloseHandle(duplicated_token);
+	    RevertToSelf();
+	    return INVALID_HANDLE_VALUE;
+	  }
+	CloseHandle(duplicated_token);
+      }
+
+      // given a TAP GUID, form the pathname of the TAP device node
+      inline std::string tap_path(const TapNameGuidPair& tap, bool wintun)
+      {
+	if (wintun)
+	  return std::string(USERMODEDEVICEDIR) + "WINTUN" + std::to_string(tap.net_luid_index);
+	else
+	  return std::string(USERMODEDEVICEDIR) + tap.guid + std::string(TAP_WIN_SUFFIX);
       }
 
       // open an available TAP adapter
       inline HANDLE tap_open(const TapNameGuidPairList& guids,
 			     std::string& path_opened,
-			     TapNameGuidPair& used)
+			     TapNameGuidPair& used,
+			     bool wintun)
       {
 	Win::ScopedHANDLE hand;
 
@@ -335,7 +444,12 @@ namespace openvpn {
 	for (TapNameGuidPairList::const_iterator i = guids.begin(); i != guids.end(); i++)
 	  {
 	    const TapNameGuidPair& tap = *i;
-	    const std::string path = tap_path(tap.guid);
+	    const std::string path = tap_path(tap, wintun);
+
+	    // wintun device can be only opened under LocalSystem account
+	    if (wintun)
+	      impersonate_as_system();
+
 	    hand.reset(::CreateFileA(path.c_str(),
 				     GENERIC_READ | GENERIC_WRITE,
 				     0, /* was: FILE_SHARE_READ */
@@ -343,6 +457,9 @@ namespace openvpn {
 				     OPEN_EXISTING,
 				     FILE_ATTRIBUTE_SYSTEM | FILE_FLAG_OVERLAPPED,
 				     0));
+	    if (wintun)
+	      RevertToSelf();
+
 	    if (hand.defined())
 	      {
 		used = tap;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/scripts/build b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/scripts/build
index cd3f872..a4d46e6 100755
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/scripts/build
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/scripts/build
@@ -36,6 +36,7 @@ if [ -z "$1" ]; then
     echo " MTLS_PATH=path -- use user specified mbedTLS source folder"
     echo " MTLS_LIBS=ldflags -- user specific mbedTLS LDFLAGS"
     echo " MA_HYBRID=1 -- use mbedTLS/AppleCrypto hybrid"
+    echo " OPENSSL_DIST=<dir> -- specify custom OpenSSL build"
     echo " NOSSL=1 -- don't include OpenSSL"
     echo " OPENSSL_SYS=1 -- include system OpenSSL"
     echo " MINI=1 -- link with OpenSSL mini crypto lib"
@@ -148,7 +149,11 @@ elif [ "$MTLS" = "1" ]; then
 fi
 
 # OpenSSL
-if [ "$APPLE_FAMILY" = "1" ]; then
+if [ "$OPENSSL_DIST" ]; then
+    CPPFLAGS="$CPPFLAGS -DUSE_OPENSSL -I$OPENSSL_DIST/include"
+    LIBDIRS="$LIBDIRS -L$OPENSSL_DIST/lib"
+    LIBS="$LIBS -lssl -lcrypto"
+elif [ "$APPLE_FAMILY" = "1" ]; then
     # On Mac, only link with OpenSSL if OSSL is defined.
     # On other platforms, usually link with OpenSSL.
     if [ "$OPENSSL_SYS" == "1" ]; then
@@ -181,7 +186,7 @@ else
 	LIBS="$LIBS -lssl -lcrypto -ldl"
     fi
 fi
-if [ "$OPENSSL_SYS" != "1" ] && [ "$OPENSSL_LINK" != "1" ] && [ "$NOSSL" != "1" ]; then
+if [ "$OPENSSL_SYS" != "1" ] && [ "$OPENSSL_LINK" != "1" ] && [ "$NOSSL" != "1" ] && [ -z "$OPENSSL_DIST" ]; then
     CPPFLAGS="$CPPFLAGS -I$DEP_DIR/openssl/openssl-$PLATFORM/include"
     LIBDIRS="$LIBDIRS -L$DEP_DIR/openssl/openssl-$PLATFORM/lib"
 fi
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/scripts/mac/build-lzo b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/scripts/mac/build-lzo
index 0d3a940..2a58c14 100755
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/scripts/mac/build-lzo
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/scripts/mac/build-lzo
@@ -21,7 +21,7 @@ if [ "$OSX_ONLY" != "1" ]; then
     done
 fi
 
-for target in osx osx-dbg ; do
+for target in osx64 osx64-dbg ; do
     echo '***************' TARGET $target
     TARGET=$target $O3/core/deps/lzo/build-lzo
 done
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/ovpncli/CMakeLists.txt b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/ovpncli/CMakeLists.txt
new file mode 100644
index 0000000..8dac9b5
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/ovpncli/CMakeLists.txt
@@ -0,0 +1,13 @@
+cmake_minimum_required(VERSION 3.5)
+
+project(ovpncli)
+set(CMAKE_CXX_STANDARD 14)
+
+set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../../cmake;${CMAKE_MODULE_PATH}")
+include(findcoredeps)
+
+
+add_executable(ovpncli
+  cli.cpp)
+
+add_core_dependencies(ovpncli)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/ovpncli/cli.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/ovpncli/cli.cpp
index ea08f63..fe07d23 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/ovpncli/cli.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/ovpncli/cli.cpp
@@ -84,13 +84,126 @@
 #include "client/core-client-netcfg.hpp"
 #endif
 
+#if defined(OPENVPN_PLATFORM_LINUX)
+
+// use SITNL by default
+#ifndef OPENVPN_USE_IPROUTE2
+#define OPENVPN_USE_SITNL
+#endif
+
+#include <openvpn/tun/linux/client/tuncli.hpp>
+
+// we use a static polymorphism and define a
+// platform-specific TunSetup class, responsible
+// for setting up tun device
+#define TUN_CLASS_SETUP TunLinuxSetup::Setup<TUN_LINUX>
+#elif defined(OPENVPN_PLATFORM_MAC)
+#include <openvpn/tun/mac/client/tuncli.hpp>
+#define TUN_CLASS_SETUP TunMac::Setup
+#endif
+
 using namespace openvpn;
 
 namespace {
   OPENVPN_SIMPLE_EXCEPTION(usage);
 }
 
-class Client : public ClientAPI::OpenVPNClient
+#ifdef USE_TUN_BUILDER
+class ClientBase : public ClientAPI::OpenVPNClient
+{
+public:
+  bool tun_builder_new() override
+  {
+    tbc.tun_builder_set_mtu(1500);
+    return true;
+  }
+
+  int tun_builder_establish() override
+  {
+    if (!tun)
+      {
+	tun.reset(new TUN_CLASS_SETUP());
+      }
+
+    TUN_CLASS_SETUP::Config config;
+    config.layer = Layer(Layer::Type::OSI_LAYER_3);
+    // no need to add bypass routes on establish since we do it on socket_protect
+    config.add_bypass_routes_on_establish = false;
+    return tun->establish(tbc, &config, nullptr, std::cout);
+  }
+
+  bool tun_builder_add_address(const std::string& address,
+			       int prefix_length,
+			       const std::string& gateway, // optional
+			       bool ipv6,
+			       bool net30) override
+  {
+    return tbc.tun_builder_add_address(address, prefix_length, gateway, ipv6, net30);
+  }
+
+  bool tun_builder_add_route(const std::string& address,
+			     int prefix_length,
+			     int metric,
+			     bool ipv6) override
+  {
+    return tbc.tun_builder_add_route(address, prefix_length, metric, ipv6);
+  }
+
+  bool tun_builder_reroute_gw(bool ipv4,
+			      bool ipv6,
+			      unsigned int flags) override
+  {
+    return tbc.tun_builder_reroute_gw(ipv4, ipv6, flags);
+  }
+
+  bool tun_builder_set_remote_address(const std::string& address,
+				      bool ipv6) override
+  {
+    return tbc.tun_builder_set_remote_address(address, ipv6);
+  }
+
+  bool tun_builder_set_session_name(const std::string& name) override
+  {
+    return tbc.tun_builder_set_session_name(name);
+  }
+
+  bool tun_builder_add_dns_server(const std::string& address, bool ipv6) override
+  {
+    return tbc.tun_builder_add_dns_server(address, ipv6);
+  }
+
+  void tun_builder_teardown(bool disconnect) override
+  {
+    std::ostringstream os;
+    auto os_print = Cleanup([&os](){ OPENVPN_LOG_STRING(os.str()); });
+    tun->destroy(os);
+  }
+
+  bool socket_protect(int socket, std::string remote, bool ipv6) override
+  {
+    (void)socket;
+    std::ostringstream os;
+    auto os_print = Cleanup([&os](){ OPENVPN_LOG_STRING(os.str()); });
+    return tun->add_bypass_route(remote, ipv6, os);
+  }
+
+private:
+  TUN_CLASS_SETUP::Ptr tun = new TUN_CLASS_SETUP();
+  TunBuilderCapture tbc;
+};
+#else // USE_TUN_BUILDER
+class ClientBase : public ClientAPI::OpenVPNClient
+{
+public:
+  bool socket_protect(int socket, std::string remote, bool ipv6) override
+  {
+    std::cout << "NOT IMPLEMENTED: *** socket_protect " << socket << " " << remote << std::endl;
+    return true;
+  }
+};
+#endif
+
+class Client : public ClientBase
 {
 public:
   enum ClockTickAction {
@@ -145,13 +258,6 @@ public:
 #endif
 
 private:
-  bool socket_protect(int socket, std::string remote, bool ipv6) override
-  {
-    std::cout << "*** socket_protect " << socket << " "
-	      << remote << std::endl;
-    return true;
-  }
-
   virtual void event(const ClientAPI::Event& ev) override
   {
     std::cout << date_time() << " EVENT: " << ev.name;
@@ -596,6 +702,7 @@ int openvpn_client(int argc, char *argv[], const std::string* profile_content)
     { "force-aes-cbc",  no_argument,        nullptr,      'f' },
     { "google-dns",     no_argument,        nullptr,      'g' },
     { "persist-tun",    no_argument,        nullptr,      'j' },
+    { "wintun",         no_argument,        nullptr,      'w' },
     { "def-keydir",     required_argument,  nullptr,      'k' },
     { "merge",          no_argument,        nullptr,      'm' },
     { "version",        no_argument,        nullptr,      'v' },
@@ -651,6 +758,7 @@ int openvpn_client(int argc, char *argv[], const std::string* profile_content)
 	bool autologinSessions = false;
 	bool retryOnAuthFailed = false;
 	bool tunPersist = false;
+	bool wintun = false;
 	bool merge = false;
 	bool version = false;
 	bool altProxy = false;
@@ -664,7 +772,7 @@ int openvpn_client(int argc, char *argv[], const std::string* profile_content)
 
 	int ch;
 	optind = 1;
-	while ((ch = getopt_long(argc, argv, "BAdeTCxfgjmvaYu:p:r:D:P:6:s:t:c:z:M:h:q:U:W:I:G:k:X:R:", longopts, nullptr)) != -1)
+	while ((ch = getopt_long(argc, argv, "BAdeTCxfgjwmvaYu:p:r:D:P:6:s:t:c:z:M:h:q:U:W:I:G:k:X:R:", longopts, nullptr)) != -1)
 	  {
 	    switch (ch)
 	      {
@@ -769,6 +877,9 @@ int openvpn_client(int argc, char *argv[], const std::string* profile_content)
 	      case 'j':
 		tunPersist = true;
 		break;
+	      case 'w':
+		wintun = true;
+		break;
 	      case 'm':
 		merge = true;
 		break;
@@ -863,6 +974,7 @@ int openvpn_client(int argc, char *argv[], const std::string* profile_content)
 	      config.tunPersist = tunPersist;
 	      config.gremlinConfig = gremlin;
 	      config.info = true;
+	      config.wintun = wintun;
 #if defined(OPENVPN_OVPNCLI_SINGLE_THREAD)
 	      config.clockTickMS = 250;
 #endif
@@ -1040,6 +1152,7 @@ int openvpn_client(int argc, char *argv[], const std::string* profile_content)
       std::cout << "--auto-sess, -a       : request autologin session" << std::endl;
       std::cout << "--auth-retry, -Y      : retry connection on auth failure" << std::endl;
       std::cout << "--persist-tun, -j     : keep TUN interface open across reconnects" << std::endl;
+      std::cout << "--wintun, -w          : use WinTun instead of TAP-Windows6 on Windows" << std::endl;
       std::cout << "--peer-info, -I       : peer info key/value list in the form K1=V1,K2=V2,..." << std::endl;
       std::cout << "--gremlin, -G         : gremlin info (send_delay_ms, recv_delay_ms, send_drop_prob, recv_drop_prob)" << std::endl;
       std::cout << "--epki-ca             : simulate external PKI cert supporting intermediate/root certs" << std::endl;
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/CMakeLists.txt b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/CMakeLists.txt
new file mode 100644
index 0000000..f644bd7
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/CMakeLists.txt
@@ -0,0 +1,51 @@
+cmake_minimum_required(VERSION 3.5)
+
+project(tests)
+set(CMAKE_CXX_STANDARD 14)
+
+set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../../cmake;${CMAKE_MODULE_PATH}")
+include(findcoredeps)
+include(dlgoogletest)
+
+# Extra includes/libraries that are currently only use by the core unit test
+FIND_PATH(LZO_INCLUDE_DIR NAMES lzo/lzo1x.h)
+FIND_LIBRARY(LZO_LIBRARIES NAMES lzo2)
+
+if (LZO_INCLUDE_DIR AND LZO_LIBRARIES)
+    list(APPEND CORE_TEST_DEFINES -DHAVE_LZO)
+    list(APPEND EXTRA_LIBS ${LZO_LIBRARIES})
+    list(APPEND EXTRA_INCLUDES ${LZO_INCLUDE_DIR})
+    message("lzo found, running lzo compression tests")
+else ()
+    message("lzo not found, skipping lzo compression tests")
+endif ()
+
+set(SOURCES
+        core_tests.cpp
+        test_route_emulation.cpp
+        test_log.cpp
+        test_comp.cpp
+        test_b64.cpp
+        )
+
+
+if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
+    list(APPEND SOURCES test_sitnl.cpp test_cpu_time.cpp)
+endif ()
+
+
+set(CORE_TEST_DEFINES
+        -DOPENVPN_FORCE_TUN_NULL
+        -DUNIT_TEST
+        -DUNITTEST_SOURCE_DIR=\"${CMAKE_CURRENT_SOURCE_DIR}/\"
+        )
+
+add_executable(coreUnitTests ${SOURCES})
+
+add_core_dependencies(coreUnitTests)
+target_link_libraries(coreUnitTests gtest_main ${EXTRA_LIBS})
+
+target_compile_definitions(coreUnitTests PRIVATE ${CORE_TEST_DEFINES})
+target_include_directories(coreUnitTests PRIVATE ${EXTRA_INCLUDES})
+
+add_test(NAME CoreTests COMMAND coreUnitTests)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/README-comp.txt b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/README-comp.txt
new file mode 100644
index 0000000..7d45d7f
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/README-comp.txt
@@ -0,0 +1,3 @@
+To test and compare speed of the decomrpession algorithms define N_EXPAND to be more than 1 by either edition
+the test-comp.c or by add a -DN_EXPAND=1000 or -DN_COMPRESS=1000 for the compression speed in the CmakeLists
+and looks at the time the unit test take for the different combinations.
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/alice29.txt b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/alice29.txt
new file mode 100644
index 0000000..f115686
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/alice29.txt
@@ -0,0 +1,3609 @@
+
+
+
+
+                ALICE'S ADVENTURES IN WONDERLAND
+
+                          Lewis Carroll
+
+               THE MILLENNIUM FULCRUM EDITION 2.9
+
+
+
+
+                            CHAPTER I
+
+                      Down the Rabbit-Hole
+
+
+  Alice was beginning to get very tired of sitting by her sister
+on the bank, and of having nothing to do:  once or twice she had
+peeped into the book her sister was reading, but it had no
+pictures or conversations in it, `and what is the use of a book,'
+thought Alice `without pictures or conversation?'
+
+  So she was considering in her own mind (as well as she could,
+for the hot day made her feel very sleepy and stupid), whether
+the pleasure of making a daisy-chain would be worth the trouble
+of getting up and picking the daisies, when suddenly a White
+Rabbit with pink eyes ran close by her.
+
+  There was nothing so VERY remarkable in that; nor did Alice
+think it so VERY much out of the way to hear the Rabbit say to
+itself, `Oh dear!  Oh dear!  I shall be late!'  (when she thought
+it over afterwards, it occurred to her that she ought to have
+wondered at this, but at the time it all seemed quite natural);
+but when the Rabbit actually TOOK A WATCH OUT OF ITS WAISTCOAT-
+POCKET, and looked at it, and then hurried on, Alice started to
+her feet, for it flashed across her mind that she had never
+before seen a rabbit with either a waistcoat-pocket, or a watch to
+take out of it, and burning with curiosity, she ran across the
+field after it, and fortunately was just in time to see it pop
+down a large rabbit-hole under the hedge.
+
+  In another moment down went Alice after it, never once
+considering how in the world she was to get out again.
+
+  The rabbit-hole went straight on like a tunnel for some way,
+and then dipped suddenly down, so suddenly that Alice had not a
+moment to think about stopping herself before she found herself
+falling down a very deep well.
+
+  Either the well was very deep, or she fell very slowly, for she
+had plenty of time as she went down to look about her and to
+wonder what was going to happen next.  First, she tried to look
+down and make out what she was coming to, but it was too dark to
+see anything; then she looked at the sides of the well, and
+noticed that they were filled with cupboards and book-shelves;
+here and there she saw maps and pictures hung upon pegs.  She
+took down a jar from one of the shelves as she passed; it was
+labelled `ORANGE MARMALADE', but to her great disappointment it
+was empty:  she did not like to drop the jar for fear of killing
+somebody, so managed to put it into one of the cupboards as she
+fell past it.
+
+  `Well!' thought Alice to herself, `after such a fall as this, I
+shall think nothing of tumbling down stairs!  How brave they'll
+all think me at home!  Why, I wouldn't say anything about it,
+even if I fell off the top of the house!' (Which was very likely
+true.)
+
+  Down, down, down.  Would the fall NEVER come to an end!  `I
+wonder how many miles I've fallen by this time?' she said aloud.
+`I must be getting somewhere near the centre of the earth.  Let
+me see:  that would be four thousand miles down, I think--' (for,
+you see, Alice had learnt several things of this sort in her
+lessons in the schoolroom, and though this was not a VERY good
+opportunity for showing off her knowledge, as there was no one to
+listen to her, still it was good practice to say it over) `--yes,
+that's about the right distance--but then I wonder what Latitude
+or Longitude I've got to?'  (Alice had no idea what Latitude was,
+or Longitude either, but thought they were nice grand words to
+say.)
+
+  Presently she began again.  `I wonder if I shall fall right
+THROUGH the earth!  How funny it'll seem to come out among the
+people that walk with their heads downward!  The Antipathies, I
+think--' (she was rather glad there WAS no one listening, this
+time, as it didn't sound at all the right word) `--but I shall
+have to ask them what the name of the country is, you know.
+Please, Ma'am, is this New Zealand or Australia?' (and she tried
+to curtsey as she spoke--fancy CURTSEYING as you're falling
+through the air!  Do you think you could manage it?)  `And what
+an ignorant little girl she'll think me for asking!  No, it'll
+never do to ask:  perhaps I shall see it written up somewhere.'
+
+  Down, down, down.  There was nothing else to do, so Alice soon
+began talking again.  `Dinah'll miss me very much to-night, I
+should think!'  (Dinah was the cat.)  `I hope they'll remember
+her saucer of milk at tea-time.  Dinah my dear!  I wish you were
+down here with me!  There are no mice in the air, I'm afraid, but
+you might catch a bat, and that's very like a mouse, you know.
+But do cats eat bats, I wonder?'  And here Alice began to get
+rather sleepy, and went on saying to herself, in a dreamy sort of
+way, `Do cats eat bats?  Do cats eat bats?' and sometimes, `Do
+bats eat cats?' for, you see, as she couldn't answer either
+question, it didn't much matter which way she put it.  She felt
+that she was dozing off, and had just begun to dream that she
+was walking hand in hand with Dinah, and saying to her very
+earnestly, `Now, Dinah, tell me the truth:  did you ever eat a
+bat?' when suddenly, thump! thump! down she came upon a heap of
+sticks and dry leaves, and the fall was over.
+
+  Alice was not a bit hurt, and she jumped up on to her feet in a
+moment:  she looked up, but it was all dark overhead; before her
+was another long passage, and the White Rabbit was still in
+sight, hurrying down it.  There was not a moment to be lost:
+away went Alice like the wind, and was just in time to hear it
+say, as it turned a corner, `Oh my ears and whiskers, how late
+it's getting!'  She was close behind it when she turned the
+corner, but the Rabbit was no longer to be seen:  she found
+herself in a long, low hall, which was lit up by a row of lamps
+hanging from the roof.
+
+  There were doors all round the hall, but they were all locked;
+and when Alice had been all the way down one side and up the
+other, trying every door, she walked sadly down the middle,
+wondering how she was ever to get out again.
+
+  Suddenly she came upon a little three-legged table, all made of
+solid glass; there was nothing on it except a tiny golden key,
+and Alice's first thought was that it might belong to one of the
+doors of the hall; but, alas! either the locks were too large, or
+the key was too small, but at any rate it would not open any of
+them.  However, on the second time round, she came upon a low
+curtain she had not noticed before, and behind it was a little
+door about fifteen inches high:  she tried the little golden key
+in the lock, and to her great delight it fitted!
+
+  Alice opened the door and found that it led into a small
+passage, not much larger than a rat-hole:  she knelt down and
+looked along the passage into the loveliest garden you ever saw.
+How she longed to get out of that dark hall, and wander about
+among those beds of bright flowers and those cool fountains, but
+she could not even get her head though the doorway; `and even if
+my head would go through,' thought poor Alice, `it would be of
+very little use without my shoulders.  Oh, how I wish
+I could shut up like a telescope!  I think I could, if I only
+know how to begin.'  For, you see, so many out-of-the-way things
+had happened lately, that Alice had begun to think that very few
+things indeed were really impossible.
+
+  There seemed to be no use in waiting by the little door, so she
+went back to the table, half hoping she might find another key on
+it, or at any rate a book of rules for shutting people up like
+telescopes:  this time she found a little bottle on it, (`which
+certainly was not here before,' said Alice,) and round the neck
+of the bottle was a paper label, with the words `DRINK ME'
+beautifully printed on it in large letters.
+
+  It was all very well to say `Drink me,' but the wise little
+Alice was not going to do THAT in a hurry.  `No, I'll look
+first,' she said, `and see whether it's marked "poison" or not';
+for she had read several nice little histories about children who
+had got burnt, and eaten up by wild beasts and other unpleasant
+things, all because they WOULD not remember the simple rules
+their friends had taught them:  such as, that a red-hot poker
+will burn you if you hold it too long; and that if you cut your
+finger VERY deeply with a knife, it usually bleeds; and she had
+never forgotten that, if you drink much from a bottle marked
+`poison,' it is almost certain to disagree with you, sooner or
+later.
+
+  However, this bottle was NOT marked `poison,' so Alice ventured
+to taste it, and finding it very nice, (it had, in fact, a sort
+of mixed flavour of cherry-tart, custard, pine-apple, roast
+turkey, toffee, and hot buttered toast,) she very soon finished
+it off.
+
+     *       *       *       *       *       *       *
+
+         *       *       *       *       *       *
+
+     *       *       *       *       *       *       *
+
+  `What a curious feeling!' said Alice; `I must be shutting up
+like a telescope.'
+
+  And so it was indeed:  she was now only ten inches high, and
+her face brightened up at the thought that she was now the right
+size for going though the little door into that lovely garden.
+First, however, she waited for a few minutes to see if she was
+going to shrink any further:  she felt a little nervous about
+this; `for it might end, you know,' said Alice to herself, `in my
+going out altogether, like a candle.  I wonder what I should be
+like then?'  And she tried to fancy what the flame of a candle is
+like after the candle is blown out, for she could not remember
+ever having seen such a thing.
+
+  After a while, finding that nothing more happened, she decided
+on going into the garden at once; but, alas for poor Alice! when
+she got to the door, she found he had forgotten the little golden
+key, and when she went back to the table for it, she found she
+could not possibly reach it:  she could see it quite plainly
+through the glass, and she tried her best to climb up one of the
+legs of the table, but it was too slippery; and when she had
+tired herself out with trying, the poor little thing sat down and
+cried.
+
+  `Come, there's no use in crying like that!' said Alice to
+herself, rather sharply; `I advise you to leave off this minute!'
+She generally gave herself very good advice, (though she very
+seldom followed it), and sometimes she scolded herself so
+severely as to bring tears into her eyes; and once she remembered
+trying to box her own ears for having cheated herself in a game
+of croquet she was playing against herself, for this curious
+child was very fond of pretending to be two people.  `But it's no
+use now,' thought poor Alice, `to pretend to be two people!  Why,
+there's hardly enough of me left to make ONE respectable
+person!'
+
+  Soon her eye fell on a little glass box that was lying under
+the table:  she opened it, and found in it a very small cake, on
+which the words `EAT ME' were beautifully marked in currants.
+`Well, I'll eat it,' said Alice, `and if it makes me grow larger,
+I can reach the key; and if it makes me grow smaller, I can creep
+under the door; so either way I'll get into the garden, and I
+don't care which happens!'
+
+  She ate a little bit, and said anxiously to herself, `Which
+way?  Which way?', holding her hand on the top of her head to
+feel which way it was growing, and she was quite surprised to
+find that she remained the same size:  to be sure, this generally
+happens when one eats cake, but Alice had got so much into the
+way of expecting nothing but out-of-the-way things to happen,
+that it seemed quite dull and stupid for life to go on in the
+common way.
+
+  So she set to work, and very soon finished off the cake.
+
+     *       *       *       *       *       *       *
+
+         *       *       *       *       *       *
+
+     *       *       *       *       *       *       *
+
+
+
+
+                           CHAPTER II
+
+                        The Pool of Tears
+
+
+  `Curiouser and curiouser!' cried Alice (she was so much
+surprised, that for the moment she quite forgot how to speak good
+English); `now I'm opening out like the largest telescope that
+ever was!  Good-bye, feet!' (for when she looked down at her
+feet, they seemed to be almost out of sight, they were getting so
+far off).  `Oh, my poor little feet, I wonder who will put on
+your shoes and stockings for you now, dears?  I'm sure _I_ shan't
+be able!  I shall be a great deal too far off to trouble myself
+about you:  you must manage the best way you can; --but I must be
+kind to them,' thought Alice, `or perhaps they won't walk the
+way I want to go!  Let me see:  I'll give them a new pair of
+boots every Christmas.'
+
+  And she went on planning to herself how she would manage it.
+`They must go by the carrier,' she thought; `and how funny it'll
+seem, sending presents to one's own feet!  And how odd the
+directions will look!
+
+            ALICE'S RIGHT FOOT, ESQ.
+                HEARTHRUG,
+                    NEAR THE FENDER,
+                        (WITH ALICE'S LOVE).
+
+Oh dear, what nonsense I'm talking!'
+
+  Just then her head struck against the roof of the hall:  in
+fact she was now more than nine feet high, and she at once took
+up the little golden key and hurried off to the garden door.
+
+  Poor Alice!  It was as much as she could do, lying down on one
+side, to look through into the garden with one eye; but to get
+through was more hopeless than ever:  she sat down and began to
+cry again.
+
+  `You ought to be ashamed of yourself,' said Alice, `a great
+girl like you,' (she might well say this), `to go on crying in
+this way!  Stop this moment, I tell you!'  But she went on all
+the same, shedding gallons of tears, until there was a large pool
+all round her, about four inches deep and reaching half down the
+hall.
+
+  After a time she heard a little pattering of feet in the
+distance, and she hastily dried her eyes to see what was coming.
+It was the White Rabbit returning, splendidly dressed, with a
+pair of white kid gloves in one hand and a large fan in the
+other:  he came trotting along in a great hurry, muttering to
+himself as he came, `Oh! the Duchess, the Duchess! Oh! won't she
+be savage if I've kept her waiting!'  Alice felt so desperate
+that she was ready to ask help of any one; so, when the Rabbit
+came near her, she began, in a low, timid voice, `If you please,
+sir--'  The Rabbit started violently, dropped the white kid
+gloves and the fan, and skurried away into the darkness as hard
+as he could go.
+
+  Alice took up the fan and gloves, and, as the hall was very
+hot, she kept fanning herself all the time she went on talking:
+`Dear, dear!  How queer everything is to-day!  And yesterday
+things went on just as usual.  I wonder if I've been changed in
+the night?  Let me think:  was I the same when I got up this
+morning?  I almost think I can remember feeling a little
+different.  But if I'm not the same, the next question is, Who in
+the world am I?  Ah, THAT'S the great puzzle!'  And she began
+thinking over all the children she knew that were of the same age
+as herself, to see if she could have been changed for any of
+them.
+
+  `I'm sure I'm not Ada,' she said, `for her hair goes in such
+long ringlets, and mine doesn't go in ringlets at all; and I'm
+sure I can't be Mabel, for I know all sorts of things, and she,
+oh! she knows such a very little!  Besides, SHE'S she, and I'm I,
+and--oh dear, how puzzling it all is!  I'll try if I know all the
+things I used to know.  Let me see:  four times five is twelve,
+and four times six is thirteen, and four times seven is--oh dear!
+I shall never get to twenty at that rate!  However, the
+Multiplication Table doesn't signify:  let's try Geography.
+London is the capital of Paris, and Paris is the capital of Rome,
+and Rome--no, THAT'S all wrong, I'm certain!  I must have been
+changed for Mabel!  I'll try and say "How doth the little--"'
+and she crossed her hands on her lap as if she were saying lessons,
+and began to repeat it, but her voice sounded hoarse and
+strange, and the words did not come the same as they used to do:--
+
+            `How doth the little crocodile
+              Improve his shining tail,
+            And pour the waters of the Nile
+              On every golden scale!
+
+            `How cheerfully he seems to grin,
+              How neatly spread his claws,
+            And welcome little fishes in
+              With gently smiling jaws!'
+
+  `I'm sure those are not the right words,' said poor Alice, and
+her eyes filled with tears again as she went on, `I must be Mabel
+after all, and I shall have to go and live in that poky little
+house, and have next to no toys to play with, and oh! ever so
+many lessons to learn!  No, I've made up my mind about it; if I'm
+Mabel, I'll stay down here!  It'll be no use their putting their
+heads down and saying "Come up again, dear!"  I shall only look
+up and say "Who am I then?  Tell me that first, and then, if I
+like being that person, I'll come up:  if not, I'll stay down
+here till I'm somebody else"--but, oh dear!' cried Alice, with a
+sudden burst of tears, `I do wish they WOULD put their heads
+down!  I am so VERY tired of being all alone here!'
+
+  As she said this she looked down at her hands, and was
+surprised to see that she had put on one of the Rabbit's little
+white kid gloves while she was talking.  `How CAN I have done
+that?' she thought.  `I must be growing small again.'  She got up
+and went to the table to measure herself by it, and found that,
+as nearly as she could guess, she was now about two feet high,
+and was going on shrinking rapidly:  she soon found out that the
+cause of this was the fan she was holding, and she dropped it
+hastily, just in time to avoid shrinking away altogether.
+
+`That WAS a narrow escape!' said Alice, a good deal frightened at
+the sudden change, but very glad to find herself still in
+existence; `and now for the garden!' and she ran with all speed
+back to the little door:  but, alas! the little door was shut
+again, and the little golden key was lying on the glass table as
+before, `and things are worse than ever,' thought the poor child,
+`for I never was so small as this before, never!  And I declare
+it's too bad, that it is!'
+
+  As she said these words her foot slipped, and in another
+moment, splash! she was up to her chin in salt water.  He first
+idea was that she had somehow fallen into the sea, `and in that
+case I can go back by railway,' she said to herself.  (Alice had
+been to the seaside once in her life, and had come to the general
+conclusion, that wherever you go to on the English coast you find
+a number of bathing machines in the sea, some children digging in
+the sand with wooden spades, then a row of lodging houses, and
+behind them a railway station.)  However, she soon made out that
+she was in the pool of tears which she had wept when she was nine
+feet high.
+
+  `I wish I hadn't cried so much!' said Alice, as she swam about,
+trying to find her way out.  `I shall be punished for it now, I
+suppose, by being drowned in my own tears!  That WILL be a queer
+thing, to be sure!  However, everything is queer to-day.'
+
+  Just then she heard something splashing about in the pool a
+little way off, and she swam nearer to make out what it was:  at
+first she thought it must be a walrus or hippopotamus, but then
+she remembered how small she was now, and she soon made out that
+it was only a mouse that had slipped in like herself.
+
+  `Would it be of any use, now,' thought Alice, `to speak to this
+mouse?  Everything is so out-of-the-way down here, that I should
+think very likely it can talk:  at any rate, there's no harm in
+trying.'  So she began:  `O Mouse, do you know the way out of
+this pool?  I am very tired of swimming about here, O Mouse!'
+(Alice thought this must be the right way of speaking to a mouse:
+she had never done such a thing before, but she remembered having
+seen in her brother's Latin Grammar, `A mouse--of a mouse--to a
+mouse--a mouse--O mouse!'  The Mouse looked at her rather
+inquisitively, and seemed to her to wink with one of its little
+eyes, but it said nothing.
+
+  `Perhaps it doesn't understand English,' thought Alice; `I
+daresay it's a French mouse, come over with William the
+Conqueror.'  (For, with all her knowledge of history, Alice had
+no very clear notion how long ago anything had happened.)  So she
+began again:  `Ou est ma chatte?' which was the first sentence in
+her French lesson-book.  The Mouse gave a sudden leap out of the
+water, and seemed to quiver all over with fright.  `Oh, I beg
+your pardon!' cried Alice hastily, afraid that she had hurt the
+poor animal's feelings.  `I quite forgot you didn't like cats.'
+
+  `Not like cats!' cried the Mouse, in a shrill, passionate
+voice.  `Would YOU like cats if you were me?'
+
+  `Well, perhaps not,' said Alice in a soothing tone:  `don't be
+angry about it.  And yet I wish I could show you our cat Dinah:
+I think you'd take a fancy to cats if you could only see her.
+She is such a dear quiet thing,' Alice went on, half to herself,
+as she swam lazily about in the pool, `and she sits purring so
+nicely by the fire, licking her paws and washing her face--and
+she is such a nice soft thing to nurse--and she's such a capital
+one for catching mice--oh, I beg your pardon!' cried Alice again,
+for this time the Mouse was bristling all over, and she felt
+certain it must be really offended.  `We won't talk about her any
+more if you'd rather not.'
+
+  `We indeed!' cried the Mouse, who was trembling down to the end
+of his tail.  `As if I would talk on such a subject!  Our family
+always HATED cats:  nasty, low, vulgar things!  Don't let me hear
+the name again!'
+
+  `I won't indeed!' said Alice, in a great hurry to change the
+subject of conversation.  `Are you--are you fond--of--of dogs?'
+The Mouse did not answer, so Alice went on eagerly:  `There is
+such a nice little dog near our house I should like to show you!
+A little bright-eyed terrier, you know, with oh, such long curly
+brown hair!  And it'll fetch things when you throw them, and
+it'll sit up and beg for its dinner, and all sorts of things--I
+can't remember half of them--and it belongs to a farmer, you
+know, and he says it's so useful, it's worth a hundred pounds!
+He says it kills all the rats and--oh dear!' cried Alice in a
+sorrowful tone, `I'm afraid I've offended it again!'  For the
+Mouse was swimming away from her as hard as it could go, and
+making quite a commotion in the pool as it went.
+
+  So she called softly after it, `Mouse dear!  Do come back
+again, and we won't talk about cats or dogs either, if you don't
+like them!'  When the Mouse heard this, it turned round and swam
+slowly back to her:  its face was quite pale (with passion, Alice
+thought), and it said in a low trembling voice, `Let us get to
+the shore, and then I'll tell you my history, and you'll
+understand why it is I hate cats and dogs.'
+
+  It was high time to go, for the pool was getting quite crowded
+with the birds and animals that had fallen into it:  there were a
+Duck and a Dodo, a Lory and an Eaglet, and several other curious
+creatures.  Alice led the way, and the whole party swam to the
+shore.
+
+
+
+                           CHAPTER III
+
+                  A Caucus-Race and a Long Tale
+
+
+  They were indeed a queer-looking party that assembled on the
+bank--the birds with draggled feathers, the animals with their
+fur clinging close to them, and all dripping wet, cross, and
+uncomfortable.
+
+  The first question of course was, how to get dry again:  they
+had a consultation about this, and after a few minutes it seemed
+quite natural to Alice to find herself talking familiarly with
+them, as if she had known them all her life.  Indeed, she had
+quite a long argument with the Lory, who at last turned sulky,
+and would only say, `I am older than you, and must know better';
+and this Alice would not allow without knowing how old it was,
+and, as the Lory positively refused to tell its age, there was no
+more to be said.
+
+  At last the Mouse, who seemed to be a person of authority among
+them, called out, `Sit down, all of you, and listen to me!  I'LL
+soon make you dry enough!'  They all sat down at once, in a large
+ring, with the Mouse in the middle.  Alice kept her eyes
+anxiously fixed on it, for she felt sure she would catch a bad
+cold if she did not get dry very soon.
+
+  `Ahem!' said the Mouse with an important air, `are you all ready?
+This is the driest thing I know.  Silence all round, if you please!
+"William the Conqueror, whose cause was favoured by the pope, was
+soon submitted to by the English, who wanted leaders, and had been
+of late much accustomed to usurpation and conquest.  Edwin and
+Morcar, the earls of Mercia and Northumbria--"'
+
+  `Ugh!' said the Lory, with a shiver.
+
+  `I beg your pardon!' said the Mouse, frowning, but very
+politely:  `Did you speak?'
+
+  `Not I!' said the Lory hastily.
+
+  `I thought you did,' said the Mouse.  `--I proceed.  "Edwin and
+Morcar, the earls of Mercia and Northumbria, declared for him:
+and even Stigand, the patriotic archbishop of Canterbury, found
+it advisable--"'
+
+  `Found WHAT?' said the Duck.
+
+  `Found IT,' the Mouse replied rather crossly:  `of course you
+know what "it" means.'
+
+  `I know what "it" means well enough, when I find a thing,' said
+the Duck:  `it's generally a frog or a worm.  The question is,
+what did the archbishop find?'
+
+  The Mouse did not notice this question, but hurriedly went on,
+`"--found it advisable to go with Edgar Atheling to meet William
+and offer him the crown.  William's conduct at first was
+moderate.  But the insolence of his Normans--"  How are you
+getting on now, my dear?' it continued, turning to Alice as it
+spoke.
+
+  `As wet as ever,' said Alice in a melancholy tone:  `it doesn't
+seem to dry me at all.'
+
+  `In that case,' said the Dodo solemnly, rising to its feet, `I
+move that the meeting adjourn, for the immediate adoption of more
+energetic remedies--'
+
+  `Speak English!' said the Eaglet.  `I don't know the meaning of
+half those long words, and, what's more, I don't believe you do
+either!'  And the Eaglet bent down its head to hide a smile:
+some of the other birds tittered audibly.
+
+  `What I was going to say,' said the Dodo in an offended tone,
+`was, that the best thing to get us dry would be a Caucus-race.'
+
+  `What IS a Caucus-race?' said Alice; not that she wanted much
+to know, but the Dodo had paused as if it thought that SOMEBODY
+ought to speak, and no one else seemed inclined to say anything.
+
+  `Why,' said the Dodo, `the best way to explain it is to do it.'
+(And, as you might like to try the thing yourself, some winter
+day, I will tell you how the Dodo managed it.)
+
+  First it marked out a race-course, in a sort of circle, (`the
+exact shape doesn't matter,' it said,) and then all the party
+were placed along the course, here and there.  There was no `One,
+two, three, and away,' but they began running when they liked,
+and left off when they liked, so that it was not easy to know
+when the race was over.  However, when they had been running half
+an hour or so, and were quite dry again, the Dodo suddenly called
+out `The race is over!' and they all crowded round it, panting,
+and asking, `But who has won?'
+
+  This question the Dodo could not answer without a great deal of
+thought, and it sat for a long time with one finger pressed upon
+its forehead (the position in which you usually see Shakespeare,
+in the pictures of him), while the rest waited in silence.  At
+last the Dodo said, `EVERYBODY has won, and all must have
+prizes.'
+
+  `But who is to give the prizes?' quite a chorus of voices
+asked.
+
+  `Why, SHE, of course,' said the Dodo, pointing to Alice with
+one finger; and the whole party at once crowded round her,
+calling out in a confused way, `Prizes! Prizes!'
+
+  Alice had no idea what to do, and in despair she put her hand
+in her pocket, and pulled out a box of comfits, (luckily the salt
+water had not got into it), and handed them round as prizes.
+There was exactly one a-piece all round.
+
+  `But she must have a prize herself, you know,' said the Mouse.
+
+  `Of course,' the Dodo replied very gravely.  `What else have
+you got in your pocket?' he went on, turning to Alice.
+
+  `Only a thimble,' said Alice sadly.
+
+  `Hand it over here,' said the Dodo.
+
+  Then they all crowded round her once more, while the Dodo
+solemnly presented the thimble, saying `We beg your acceptance of
+this elegant thimble'; and, when it had finished this short
+speech, they all cheered.
+
+  Alice thought the whole thing very absurd, but they all looked
+so grave that she did not dare to laugh; and, as she could not
+think of anything to say, she simply bowed, and took the thimble,
+looking as solemn as she could.
+
+  The next thing was to eat the comfits:  this caused some noise
+and confusion, as the large birds complained that they could not
+taste theirs, and the small ones choked and had to be patted on
+the back.  However, it was over at last, and they sat down again
+in a ring, and begged the Mouse to tell them something more.
+
+  `You promised to tell me your history, you know,' said Alice,
+`and why it is you hate--C and D,' she added in a whisper, half
+afraid that it would be offended again.
+
+  `Mine is a long and a sad tale!' said the Mouse, turning to
+Alice, and sighing.
+
+  `It IS a long tail, certainly,' said Alice, looking down with
+wonder at the Mouse's tail; `but why do you call it sad?'  And
+she kept on puzzling about it while the Mouse was speaking, so
+that her idea of the tale was something like this:--
+
+                    `Fury said to a
+                   mouse, That he
+                 met in the
+               house,
+            "Let us
+              both go to
+                law:  I will
+                  prosecute
+                    YOU.  --Come,
+                       I'll take no
+                        denial; We
+                     must have a
+                 trial:  For
+              really this
+           morning I've
+          nothing
+         to do."
+           Said the
+             mouse to the
+               cur, "Such
+                 a trial,
+                   dear Sir,
+                         With
+                     no jury
+                  or judge,
+                would be
+              wasting
+             our
+              breath."
+               "I'll be
+                 judge, I'll
+                   be jury,"
+                         Said
+                    cunning
+                      old Fury:
+                     "I'll
+                      try the
+                         whole
+                          cause,
+                             and
+                        condemn
+                       you
+                      to
+                       death."'
+
+
+  `You are not attending!' said the Mouse to Alice severely.
+`What are you thinking of?'
+
+  `I beg your pardon,' said Alice very humbly:  `you had got to
+the fifth bend, I think?'
+
+  `I had NOT!' cried the Mouse, sharply and very angrily.
+
+  `A knot!' said Alice, always ready to make herself useful, and
+looking anxiously about her.  `Oh, do let me help to undo it!'
+
+  `I shall do nothing of the sort,' said the Mouse, getting up
+and walking away.  `You insult me by talking such nonsense!'
+
+  `I didn't mean it!' pleaded poor Alice.  `But you're so easily
+offended, you know!'
+
+  The Mouse only growled in reply.
+
+  `Please come back and finish your story!' Alice called after
+it; and the others all joined in chorus, `Yes, please do!' but
+the Mouse only shook its head impatiently, and walked a little
+quicker.
+
+  `What a pity it wouldn't stay!' sighed the Lory, as soon as it
+was quite out of sight; and an old Crab took the opportunity of
+saying to her daughter `Ah, my dear!  Let this be a lesson to you
+never to lose YOUR temper!'  `Hold your tongue, Ma!' said the
+young Crab, a little snappishly.  `You're enough to try the
+patience of an oyster!'
+
+  `I wish I had our Dinah here, I know I do!' said Alice aloud,
+addressing nobody in particular.  `She'd soon fetch it back!'
+
+  `And who is Dinah, if I might venture to ask the question?'
+said the Lory.
+
+  Alice replied eagerly, for she was always ready to talk about
+her pet:  `Dinah's our cat.  And she's such a capital one for
+catching mice you can't think!  And oh, I wish you could see her
+after the birds!  Why, she'll eat a little bird as soon as look
+at it!'
+
+  This speech caused a remarkable sensation among the party.
+Some of the birds hurried off at once:  one the old Magpie began
+wrapping itself up very carefully, remarking, `I really must be
+getting home; the night-air doesn't suit my throat!' and a Canary
+called out in a trembling voice to its children, `Come away, my
+dears!  It's high time you were all in bed!'  On various pretexts
+they all moved off, and Alice was soon left alone.
+
+  `I wish I hadn't mentioned Dinah!' she said to herself in a
+melancholy tone.  `Nobody seems to like her, down here, and I'm
+sure she's the best cat in the world!  Oh, my dear Dinah!  I
+wonder if I shall ever see you any more!'  And here poor Alice
+began to cry again, for she felt very lonely and low-spirited.
+In a little while, however, she again heard a little pattering of
+footsteps in the distance, and she looked up eagerly, half hoping
+that the Mouse had changed his mind, and was coming back to
+finish his story.
+
+
+
+                           CHAPTER IV
+
+                The Rabbit Sends in a Little Bill
+
+
+  It was the White Rabbit, trotting slowly back again, and
+looking anxiously about as it went, as if it had lost something;
+and she heard it muttering to itself `The Duchess!  The Duchess!
+Oh my dear paws!  Oh my fur and whiskers!  She'll get me
+executed, as sure as ferrets are ferrets!  Where CAN I have
+dropped them, I wonder?'  Alice guessed in a moment that it was
+looking for the fan and the pair of white kid gloves, and she
+very good-naturedly began hunting about for them, but they were
+nowhere to be seen--everything seemed to have changed since her
+swim in the pool, and the great hall, with the glass table and
+the little door, had vanished completely.
+
+  Very soon the Rabbit noticed Alice, as she went hunting about,
+and called out to her in an angry tone, `Why, Mary Ann, what ARE
+you doing out here?  Run home this moment, and fetch me a pair of
+gloves and a fan!  Quick, now!'  And Alice was so much frightened
+that she ran off at once in the direction it pointed to, without
+trying to explain the mistake it had made.
+
+  `He took me for his housemaid,' she said to herself as she ran.
+`How surprised he'll be when he finds out who I am!  But I'd
+better take him his fan and gloves--that is, if I can find them.'
+As she said this, she came upon a neat little house, on the door
+of which was a bright brass plate with the name `W. RABBIT'
+engraved upon it.  She went in without knocking, and hurried
+upstairs, in great fear lest she should meet the real Mary Ann,
+and be turned out of the house before she had found the fan and
+gloves.
+
+  `How queer it seems,' Alice said to herself, `to be going
+messages for a rabbit!  I suppose Dinah'll be sending me on
+messages next!'  And she began fancying the sort of thing that
+would happen:  `"Miss Alice!  Come here directly, and get ready
+for your walk!" "Coming in a minute, nurse!  But I've got to see
+that the mouse doesn't get out."  Only I don't think,' Alice went
+on, `that they'd let Dinah stop in the house if it began ordering
+people about like that!'
+
+  By this time she had found her way into a tidy little room with
+a table in the window, and on it (as she had hoped) a fan and two
+or three pairs of tiny white kid gloves:  she took up the fan and
+a pair of the gloves, and was just going to leave the room, when
+her eye fell upon a little bottle that stood near the looking-
+glass.  There was no label this time with the words `DRINK ME,'
+but nevertheless she uncorked it and put it to her lips.  `I know
+SOMETHING interesting is sure to happen,' she said to herself,
+`whenever I eat or drink anything; so I'll just see what this
+bottle does.  I do hope it'll make me grow large again, for
+really I'm quite tired of being such a tiny little thing!'
+
+  It did so indeed, and much sooner than she had expected:
+before she had drunk half the bottle, she found her head pressing
+against the ceiling, and had to stoop to save her neck from being
+broken.  She hastily put down the bottle, saying to herself
+`That's quite enough--I hope I shan't grow any more--As it is, I
+can't get out at the door--I do wish I hadn't drunk quite so
+much!'
+
+  Alas! it was too late to wish that!  She went on growing, and
+growing, and very soon had to kneel down on the floor:  in
+another minute there was not even room for this, and she tried
+the effect of lying down with one elbow against the door, and the
+other arm curled round her head.  Still she went on growing, and,
+as a last resource, she put one arm out of the window, and one
+foot up the chimney, and said to herself `Now I can do no more,
+whatever happens.  What WILL become of me?'
+
+  Luckily for Alice, the little magic bottle had now had its full
+effect, and she grew no larger:  still it was very uncomfortable,
+and, as there seemed to be no sort of chance of her ever getting
+out of the room again, no wonder she felt unhappy.
+
+  `It was much pleasanter at home,' thought poor Alice, `when one
+wasn't always growing larger and smaller, and being ordered about
+by mice and rabbits.  I almost wish I hadn't gone down that
+rabbit-hole--and yet--and yet--it's rather curious, you know,
+this sort of life!  I do wonder what CAN have happened to me!
+When I used to read fairy-tales, I fancied that kind of thing
+never happened, and now here I am in the middle of one!  There
+ought to be a book written about me, that there ought!  And when
+I grow up, I'll write one--but I'm grown up now,' she added in a
+sorrowful tone; `at least there's no room to grow up any more
+HERE.'
+
+  `But then,' thought Alice, `shall I NEVER get any older than I
+am now?  That'll be a comfort, one way--never to be an old woman-
+-but then--always to have lessons to learn!  Oh, I shouldn't like
+THAT!'
+
+  `Oh, you foolish Alice!' she answered herself.  `How can you
+learn lessons in here?  Why, there's hardly room for YOU, and no
+room at all for any lesson-books!'
+
+  And so she went on, taking first one side and then the other,
+and making quite a conversation of it altogether; but after a few
+minutes she heard a voice outside, and stopped to listen.
+
+  `Mary Ann!  Mary Ann!' said the voice.  `Fetch me my gloves
+this moment!'  Then came a little pattering of feet on the
+stairs.  Alice knew it was the Rabbit coming to look for her, and
+she trembled till she shook the house, quite forgetting that she
+was now about a thousand times as large as the Rabbit, and had no
+reason to be afraid of it.
+
+  Presently the Rabbit came up to the door, and tried to open it;
+but, as the door opened inwards, and Alice's elbow was pressed
+hard against it, that attempt proved a failure.  Alice heard it
+say to itself `Then I'll go round and get in at the window.'
+
+  `THAT you won't' thought Alice, and, after waiting till she
+fancied she heard the Rabbit just under the window, she suddenly
+spread out her hand, and made a snatch in the air.  She did not
+get hold of anything, but she heard a little shriek and a fall,
+and a crash of broken glass, from which she concluded that it was
+just possible it had fallen into a cucumber-frame, or something
+of the sort.
+
+  Next came an angry voice--the Rabbit's--`Pat! Pat!  Where are
+you?'  And then a voice she had never heard before, `Sure then
+I'm here!  Digging for apples, yer honour!'
+
+  `Digging for apples, indeed!' said the Rabbit angrily.  `Here!
+Come and help me out of THIS!'  (Sounds of more broken glass.)
+
+  `Now tell me, Pat, what's that in the window?'
+
+  `Sure, it's an arm, yer honour!'  (He pronounced it `arrum.')
+
+  `An arm, you goose!   Who ever saw one that size?  Why, it
+fills the whole window!'
+
+  `Sure, it does, yer honour:  but it's an arm for all that.'
+
+  `Well, it's got no business there, at any rate:  go and take it
+away!'
+
+  There was a long silence after this, and Alice could only hear
+whispers now and then; such as, `Sure, I don't like it, yer
+honour, at all, at all!'  `Do as I tell you, you coward!' and at
+last she spread out her hand again, and made another snatch in
+the air.  This time there were TWO little shrieks, and more
+sounds of broken glass.  `What a number of cucumber-frames there
+must be!' thought Alice.  `I wonder what they'll do next!  As for
+pulling me out of the window, I only wish they COULD!  I'm sure I
+don't want to stay in here any longer!'
+
+  She waited for some time without hearing anything more:  at
+last came a rumbling of little cartwheels, and the sound of a
+good many voice all talking together:  she made out the words:
+`Where's the other ladder?--Why, I hadn't to bring but one;
+Bill's got the other--Bill! fetch it here, lad!--Here, put 'em up
+at this corner--No, tie 'em together first--they don't reach half
+high enough yet--Oh! they'll do well enough; don't be particular-
+-Here, Bill! catch hold of this rope--Will the roof bear?--Mind
+that loose slate--Oh, it's coming down!  Heads below!' (a loud
+crash)--`Now, who did that?--It was Bill, I fancy--Who's to go
+down the chimney?--Nay, I shan't! YOU do it!--That I won't,
+then!--Bill's to go down--Here, Bill! the master says you're to
+go down the chimney!'
+
+  `Oh! So Bill's got to come down the chimney, has he?' said
+Alice to herself.  `Shy, they seem to put everything upon Bill!
+I wouldn't be in Bill's place for a good deal:  this fireplace is
+narrow, to be sure; but I THINK I can kick a little!'
+
+  She drew her foot as far down the chimney as she could, and
+waited till she heard a little animal (she couldn't guess of what
+sort it was) scratching and scrambling about in the chimney close
+above her:  then, saying to herself `This is Bill,' she gave one
+sharp kick, and waited to see what would happen next.
+
+  The first thing she heard was a general chorus of `There goes
+Bill!' then the Rabbit's voice along--`Catch him, you by the
+hedge!' then silence, and then another confusion of voices--`Hold
+up his head--Brandy now--Don't choke him--How was it, old fellow?
+What happened to you?  Tell us all about it!'
+
+  Last came a little feeble, squeaking voice, (`That's Bill,'
+thought Alice,) `Well, I hardly know--No more, thank ye; I'm
+better now--but I'm a deal too flustered to tell you--all I know
+is, something comes at me like a Jack-in-the-box, and up I goes
+like a sky-rocket!'
+
+  `So you did, old fellow!' said the others.
+
+  `We must burn the house down!' said the Rabbit's voice; and
+Alice called out as loud as she could, `If you do.  I'll set
+Dinah at you!'
+
+  There was a dead silence instantly, and Alice thought to
+herself, `I wonder what they WILL do next!  If they had any
+sense, they'd take the roof off.'  After a minute or two, they
+began moving about again, and Alice heard the Rabbit say, `A
+barrowful will do, to begin with.'
+
+  `A barrowful of WHAT?' thought Alice; but she had not long to
+doubt, for the next moment a shower of little pebbles came
+rattling in at the window, and some of them hit her in the face.
+`I'll put a stop to this,' she said to herself, and shouted out,
+`You'd better not do that again!' which produced another dead
+silence.
+
+  Alice noticed with some surprise that the pebbles were all
+turning into little cakes as they lay on the floor, and a bright
+idea came into her head.  `If I eat one of these cakes,' she
+thought, `it's sure to make SOME change in my size; and as it
+can't possibly make me larger, it must make me smaller, I
+suppose.'
+
+  So she swallowed one of the cakes, and was delighted to find
+that she began shrinking directly.  As soon as she was small
+enough to get through the door, she ran out of the house, and
+found quite a crowd of little animals and birds waiting outside.
+The poor little Lizard, Bill, was in the middle, being held up by
+two guinea-pigs, who were giving it something out of a bottle.
+They all made a rush at Alice the moment she appeared; but she
+ran off as hard as she could, and soon found herself safe in a
+thick wood.
+
+  `The first thing I've got to do,' said Alice to herself, as she
+wandered about in the wood, `is to grow to my right size again;
+and the second thing is to find my way into that lovely garden.
+I think that will be the best plan.'
+
+  It sounded an excellent plan, no doubt, and very neatly and
+simply arranged; the only difficulty was, that she had not the
+smallest idea how to set about it; and while she was peering
+about anxiously among the trees, a little sharp bark just over
+her head made her look up in a great hurry.
+
+  An enormous puppy was looking down at her with large round
+eyes, and feebly stretching out one paw, trying to touch her.
+`Poor little thing!' said Alice, in a coaxing tone, and she tried
+hard to whistle to it; but she was terribly frightened all the
+time at the thought that it might be hungry, in which case it
+would be very likely to eat her up in spite of all her coaxing.
+
+  Hardly knowing what she did, she picked up a little bit of
+stick, and held it out to the puppy; whereupon the puppy jumped
+into the air off all its feet at once, with a yelp of delight,
+and rushed at the stick, and made believe to worry it; then Alice
+dodged behind a great thistle, to keep herself from being run
+over; and the moment she appeared on the other side, the puppy
+made another rush at the stick, and tumbled head over heels in
+its hurry to get hold of it; then Alice, thinking it was very
+like having a game of play with a cart-horse, and expecting every
+moment to be trampled under its feet, ran round the thistle
+again; then the puppy began a series of short charges at the
+stick, running a very little way forwards each time and a long
+way back, and barking hoarsely all the while, till at last it sat
+down a good way off, panting, with its tongue hanging out of its
+mouth, and its great eyes half shut.
+
+  This seemed to Alice a good opportunity for making her escape;
+so she set off at once, and ran till she was quite tired and out
+of breath, and till the puppy's bark sounded quite faint in the
+distance.
+
+  `And yet what a dear little puppy it was!' said Alice, as she
+leant against a buttercup to rest herself, and fanned herself
+with one of the leaves:  `I should have liked teaching it tricks
+very much, if--if I'd only been the right size to do it!  Oh
+dear!  I'd nearly forgotten that I've got to grow up again!  Let
+me see--how IS it to be managed?  I suppose I ought to eat or
+drink something or other; but the great question is, what?'
+
+  The great question certainly was, what?  Alice looked all round
+her at the flowers and the blades of grass, but she did not see
+anything that looked like the right thing to eat or drink under
+the circumstances.  There was a large mushroom growing near her,
+about the same height as herself; and when she had looked under
+it, and on both sides of it, and behind it, it occurred to her
+that she might as well look and see what was on the top of it.
+
+  She stretched herself up on tiptoe, and peeped over the edge of
+the mushroom, and her eyes immediately met those of a large
+caterpillar, that was sitting on the top with its arms folded,
+quietly smoking a long hookah, and taking not the smallest notice
+of her or of anything else.
+
+
+
+                            CHAPTER V
+
+                    Advice from a Caterpillar
+
+
+  The Caterpillar and Alice looked at each other for some time in
+silence:  at last the Caterpillar took the hookah out of its
+mouth, and addressed her in a languid, sleepy voice.
+
+  `Who are YOU?' said the Caterpillar.
+
+  This was not an encouraging opening for a conversation.  Alice
+replied, rather shyly, `I--I hardly know, sir, just at present--
+at least I know who I WAS when I got up this morning, but I think
+I must have been changed several times since then.'
+
+  `What do you mean by that?' said the Caterpillar sternly.
+`Explain yourself!'
+
+  `I can't explain MYSELF, I'm afraid, sir' said Alice, `because
+I'm not myself, you see.'
+
+  `I don't see,' said the Caterpillar.
+
+  `I'm afraid I can't put it more clearly,' Alice replied very
+politely, `for I can't understand it myself to begin with; and
+being so many different sizes in a day is very confusing.'
+
+  `It isn't,' said the Caterpillar.
+
+  `Well, perhaps you haven't found it so yet,' said Alice; `but
+when you have to turn into a chrysalis--you will some day, you
+know--and then after that into a butterfly, I should think you'll
+feel it a little queer, won't you?'
+
+  `Not a bit,' said the Caterpillar.
+
+  `Well, perhaps your feelings may be different,' said Alice;
+`all I know is, it would feel very queer to ME.'
+
+  `You!' said the Caterpillar contemptuously.  `Who are YOU?'
+
+  Which brought them back again to the beginning of the
+conversation.  Alice felt a little irritated at the Caterpillar's
+making such VERY short remarks, and she drew herself up and said,
+very gravely, `I think, you ought to tell me who YOU are, first.'
+
+  `Why?' said the Caterpillar.
+
+  Here was another puzzling question; and as Alice could not
+think of any good reason, and as the Caterpillar seemed to be in
+a VERY unpleasant state of mind, she turned away.
+
+  `Come back!' the Caterpillar called after her.  `I've something
+important to say!'
+
+  This sounded promising, certainly:  Alice turned and came back
+again.
+
+  `Keep your temper,' said the Caterpillar.
+
+  `Is that all?' said Alice, swallowing down her anger as well as
+she could.
+
+  `No,' said the Caterpillar.
+
+  Alice thought she might as well wait, as she had nothing else
+to do, and perhaps after all it might tell her something worth
+hearing.  For some minutes it puffed away without speaking, but
+at last it unfolded its arms, took the hookah out of its mouth
+again, and said, `So you think you're changed, do you?'
+
+  `I'm afraid I am, sir,' said Alice; `I can't remember things as
+I used--and I don't keep the same size for ten minutes together!'
+
+  `Can't remember WHAT things?' said the Caterpillar.
+
+  `Well, I've tried to say "HOW DOTH THE LITTLE BUSY BEE," but it
+all came different!' Alice replied in a very melancholy voice.
+
+  `Repeat, "YOU ARE OLD, FATHER WILLIAM,"' said the Caterpillar.
+
+  Alice folded her hands, and began:--
+
+    `You are old, Father William,' the young man said,
+      `And your hair has become very white;
+    And yet you incessantly stand on your head--
+      Do you think, at your age, it is right?'
+
+    `In my youth,' Father William replied to his son,
+      `I feared it might injure the brain;
+    But, now that I'm perfectly sure I have none,
+      Why, I do it again and again.'
+
+    `You are old,' said the youth, `as I mentioned before,
+      And have grown most uncommonly fat;
+    Yet you turned a back-somersault in at the door--
+      Pray, what is the reason of that?'
+
+    `In my youth,' said the sage, as he shook his grey locks,
+      `I kept all my limbs very supple
+    By the use of this ointment--one shilling the box--
+      Allow me to sell you a couple?'
+
+    `You are old,' said the youth, `and your jaws are too weak
+      For anything tougher than suet;
+    Yet you finished the goose, with the bones and the beak--
+      Pray how did you manage to do it?'
+
+    `In my youth,' said his father, `I took to the law,
+      And argued each case with my wife;
+    And the muscular strength, which it gave to my jaw,
+      Has lasted the rest of my life.'
+
+    `You are old,' said the youth, `one would hardly suppose
+      That your eye was as steady as ever;
+    Yet you balanced an eel on the end of your nose--
+      What made you so awfully clever?'
+
+    `I have answered three questions, and that is enough,'
+      Said his father; `don't give yourself airs!
+    Do you think I can listen all day to such stuff?
+      Be off, or I'll kick you down stairs!'
+
+
+  `That is not said right,' said the Caterpillar.
+
+  `Not QUITE right, I'm afraid,' said Alice, timidly; `some of the
+words have got altered.'
+
+  `It is wrong from beginning to end,' said the Caterpillar
+decidedly, and there was silence for some minutes.
+
+  The Caterpillar was the first to speak.
+
+  `What size do you want to be?' it asked.
+
+  `Oh, I'm not particular as to size,' Alice hastily replied;
+`only one doesn't like changing so often, you know.'
+
+  `I DON'T know,' said the Caterpillar.
+
+  Alice said nothing:  she had never been so much contradicted in
+her life before, and she felt that she was losing her temper.
+
+  `Are you content now?' said the Caterpillar.
+
+  `Well, I should like to be a LITTLE larger, sir, if you
+wouldn't mind,' said Alice:  `three inches is such a wretched
+height to be.'
+
+  `It is a very good height indeed!' said the Caterpillar
+angrily, rearing itself upright as it spoke (it was exactly three
+inches high).
+
+  `But I'm not used to it!' pleaded poor Alice in a piteous tone.
+And she thought of herself, `I wish the creatures wouldn't be so
+easily offended!'
+
+  `You'll get used to it in time,' said the Caterpillar; and it
+put the hookah into its mouth and began smoking again.
+
+  This time Alice waited patiently until it chose to speak again.
+In a minute or two the Caterpillar took the hookah out of its
+mouth and yawned once or twice, and shook itself.  Then it got
+down off the mushroom, and crawled away in the grass, merely
+remarking as it went, `One side will make you grow taller, and
+the other side will make you grow shorter.'
+
+  `One side of WHAT?  The other side of WHAT?' thought Alice to
+herself.
+
+  `Of the mushroom,' said the Caterpillar, just as if she had
+asked it aloud; and in another moment it was out of sight.
+
+  Alice remained looking thoughtfully at the mushroom for a
+minute, trying to make out which were the two sides of it; and as
+it was perfectly round, she found this a very difficult question.
+However, at last she stretched her arms round it as far as they
+would go, and broke off a bit of the edge with each hand.
+
+  `And now which is which?' she said to herself, and nibbled a
+little of the right-hand bit to try the effect:  the next moment
+she felt a violent blow underneath her chin:  it had struck her
+foot!
+
+  She was a good deal frightened by this very sudden change, but
+she felt that there was no time to be lost, as she was shrinking
+rapidly; so she set to work at once to eat some of the other bit.
+Her chin was pressed so closely against her foot, that there was
+hardly room to open her mouth; but she did it at last, and
+managed to swallow a morsel of the lefthand bit.
+
+
+     *       *       *       *       *       *       *
+
+         *       *       *       *       *       *
+
+     *       *       *       *       *       *       *
+
+  `Come, my head's free at last!' said Alice in a tone of
+delight, which changed into alarm in another moment, when she
+found that her shoulders were nowhere to be found:  all she could
+see, when she looked down, was an immense length of neck, which
+seemed to rise like a stalk out of a sea of green leaves that lay
+far below her.
+
+  `What CAN all that green stuff be?' said Alice.  `And where
+HAVE my shoulders got to?  And oh, my poor hands, how is it I
+can't see you?'  She was moving them about as she spoke, but no
+result seemed to follow, except a little shaking among the
+distant green leaves.
+
+  As there seemed to be no chance of getting her hands up to her
+head, she tried to get her head down to them, and was delighted
+to find that her neck would bend about easily in any direction,
+like a serpent.  She had just succeeded in curving it down into a
+graceful zigzag, and was going to dive in among the leaves, which
+she found to be nothing but the tops of the trees under which she
+had been wandering, when a sharp hiss made her draw back in a
+hurry:  a large pigeon had flown into her face, and was beating
+her violently with its wings.
+
+  `Serpent!' screamed the Pigeon.
+
+  `I'm NOT a serpent!' said Alice indignantly.  `Let me alone!'
+
+  `Serpent, I say again!' repeated the Pigeon, but in a more
+subdued tone, and added with a kind of sob, `I've tried every
+way, and nothing seems to suit them!'
+
+  `I haven't the least idea what you're talking about,' said
+Alice.
+
+  `I've tried the roots of trees, and I've tried banks, and I've
+tried hedges,' the Pigeon went on, without attending to her; `but
+those serpents!  There's no pleasing them!'
+
+  Alice was more and more puzzled, but she thought there was no
+use in saying anything more till the Pigeon had finished.
+
+  `As if it wasn't trouble enough hatching the eggs,' said the
+Pigeon; `but I must be on the look-out for serpents night and
+day!  Why, I haven't had a wink of sleep these three weeks!'
+
+  `I'm very sorry you've been annoyed,' said Alice, who was
+beginning to see its meaning.
+
+  `And just as I'd taken the highest tree in the wood,' continued
+the Pigeon, raising its voice to a shriek, `and just as I was
+thinking I should be free of them at last, they must needs come
+wriggling down from the sky!  Ugh, Serpent!'
+
+  `But I'm NOT a serpent, I tell you!' said Alice.  `I'm a--I'm
+a--'
+
+  `Well!  WHAT are you?' said the Pigeon.  `I can see you're
+trying to invent something!'
+
+  `I--I'm a little girl,' said Alice, rather doubtfully, as she
+remembered the number of changes she had gone through that day.
+
+  `A likely story indeed!' said the Pigeon in a tone of the
+deepest contempt.  `I've seen a good many little girls in my
+time, but never ONE with such a neck as that!  No, no!  You're a
+serpent; and there's no use denying it.  I suppose you'll be
+telling me next that you never tasted an egg!'
+
+  `I HAVE tasted eggs, certainly,' said Alice, who was a very
+truthful child; `but little girls eat eggs quite as much as
+serpents do, you know.'
+
+  `I don't believe it,' said the Pigeon; `but if they do, why
+then they're a kind of serpent, that's all I can say.'
+
+  This was such a new idea to Alice, that she was quite silent
+for a minute or two, which gave the Pigeon the opportunity of
+adding, `You're looking for eggs, I know THAT well enough; and
+what does it matter to me whether you're a little girl or a
+serpent?'
+
+  `It matters a good deal to ME,' said Alice hastily; `but I'm
+not looking for eggs, as it happens; and if I was, I shouldn't
+want YOURS:  I don't like them raw.'
+
+  `Well, be off, then!' said the Pigeon in a sulky tone, as it
+settled down again into its nest.  Alice crouched down among the
+trees as well as she could, for her neck kept getting entangled
+among the branches, and every now and then she had to stop and
+untwist it.  After a while she remembered that she still held the
+pieces of mushroom in her hands, and she set to work very
+carefully, nibbling first at one and then at the other, and
+growing sometimes taller and sometimes shorter, until she had
+succeeded in bringing herself down to her usual height.
+
+  It was so long since she had been anything near the right size,
+that it felt quite strange at first; but she got used to it in a
+few minutes, and began talking to herself, as usual.  `Come,
+there's half my plan done now!  How puzzling all these changes
+are!  I'm never sure what I'm going to be, from one minute to
+another!  However, I've got back to my right size:  the next
+thing is, to get into that beautiful garden--how IS that to be
+done, I wonder?'  As she said this, she came suddenly upon an
+open place, with a little house in it about four feet high.
+`Whoever lives there,' thought Alice, `it'll never do to come
+upon them THIS size:  why, I should frighten them out of their
+wits!'  So she began nibbling at the righthand bit again, and did
+not venture to go near the house till she had brought herself
+down to nine inches high.
+
+
+
+                           CHAPTER VI
+
+                         Pig and Pepper
+
+
+  For a minute or two she stood looking at the house, and
+wondering what to do next, when suddenly a footman in livery came
+running out of the wood--(she considered him to be a footman
+because he was in livery:  otherwise, judging by his face only,
+she would have called him a fish)--and rapped loudly at the door
+with his knuckles.  It was opened by another footman in livery,
+with a round face, and large eyes like a frog; and both footmen,
+Alice noticed, had powdered hair that curled all over their
+heads.  She felt very curious to know what it was all about, and
+crept a little way out of the wood to listen.
+
+  The Fish-Footman began by producing from under his arm a great
+letter, nearly as large as himself, and this he handed over to
+the other, saying, in a solemn tone, `For the Duchess.  An
+invitation from the Queen to play croquet.'  The Frog-Footman
+repeated, in the same solemn tone, only changing the order of the
+words a little, `From the Queen.  An invitation for the Duchess
+to play croquet.'
+
+  Then they both bowed low, and their curls got entangled
+together.
+
+  Alice laughed so much at this, that she had to run back into
+the wood for fear of their hearing her; and when she next peeped
+out the Fish-Footman was gone, and the other was sitting on the
+ground near the door, staring stupidly up into the sky.
+
+  Alice went timidly up to the door, and knocked.
+
+  `There's no sort of use in knocking,' said the Footman, `and
+that for two reasons.  First, because I'm on the same side of the
+door as you are; secondly, because they're making such a noise
+inside, no one could possibly hear you.'  And certainly there was
+a most extraordinary noise going on within--a constant howling
+and sneezing, and every now and then a great crash, as if a dish
+or kettle had been broken to pieces.
+
+  `Please, then,' said Alice, `how am I to get in?'
+
+  `There might be some sense in your knocking,' the Footman went
+on without attending to her, `if we had the door between us.  For
+instance, if you were INSIDE, you might knock, and I could let
+you out, you know.'  He was looking up into the sky all the time
+he was speaking, and this Alice thought decidedly uncivil.  `But
+perhaps he can't help it,' she said to herself; `his eyes are so
+VERY nearly at the top of his head.  But at any rate he might
+answer questions.--How am I to get in?' she repeated, aloud.
+
+  `I shall sit here,' the Footman remarked, `till tomorrow--'
+
+  At this moment the door of the house opened, and a large plate
+came skimming out, straight at the Footman's head:  it just
+grazed his nose, and broke to pieces against one of the trees
+behind him.
+
+  `--or next day, maybe,' the Footman continued in the same tone,
+exactly as if nothing had happened.
+
+  `How am I to get in?' asked Alice again, in a louder tone.
+
+  `ARE you to get in at all?' said the Footman.  `That's the
+first question, you know.'
+
+  It was, no doubt:  only Alice did not like to be told so.
+`It's really dreadful,' she muttered to herself, `the way all the
+creatures argue.  It's enough to drive one crazy!'
+
+  The Footman seemed to think this a good opportunity for
+repeating his remark, with variations.  `I shall sit here,' he
+said, `on and off, for days and days.'
+
+  `But what am I to do?' said Alice.
+
+  `Anything you like,' said the Footman, and began whistling.
+
+  `Oh, there's no use in talking to him,' said Alice desperately:
+`he's perfectly idiotic!'  And she opened the door and went in.
+
+  The door led right into a large kitchen, which was full of
+smoke from one end to the other:  the Duchess was sitting on a
+three-legged stool in the middle, nursing a baby; the cook was
+leaning over the fire, stirring a large cauldron which seemed to
+be full of soup.
+
+  `There's certainly too much pepper in that soup!' Alice said to
+herself, as well as she could for sneezing.
+
+  There was certainly too much of it in the air.  Even the
+Duchess sneezed occasionally; and as for the baby, it was
+sneezing and howling alternately without a moment's pause.  The
+only things in the kitchen that did not sneeze, were the cook,
+and a large cat which was sitting on the hearth and grinning from
+ear to ear.
+
+  `Please would you tell me,' said Alice, a little timidly, for
+she was not quite sure whether it was good manners for her to
+speak first, `why your cat grins like that?'
+
+  `It's a Cheshire cat,' said the Duchess, `and that's why.
+Pig!'
+
+  She said the last word with such sudden violence that Alice
+quite jumped; but she saw in another moment that it was addressed
+to the baby, and not to her, so she took courage, and went on
+again:--
+
+  `I didn't know that Cheshire cats always grinned; in fact, I
+didn't know that cats COULD grin.'
+
+  `They all can,' said the Duchess; `and most of 'em do.'
+
+  `I don't know of any that do,' Alice said very politely,
+feeling quite pleased to have got into a conversation.
+
+  `You don't know much,' said the Duchess; `and that's a fact.'
+
+  Alice did not at all like the tone of this remark, and thought
+it would be as well to introduce some other subject of
+conversation.  While she was trying to fix on one, the cook took
+the cauldron of soup off the fire, and at once set to work
+throwing everything within her reach at the Duchess and the baby
+--the fire-irons came first; then followed a shower of saucepans,
+plates, and dishes.  The Duchess took no notice of them even when
+they hit her; and the baby was howling so much already, that it
+was quite impossible to say whether the blows hurt it or not.
+
+  `Oh, PLEASE mind what you're doing!' cried Alice, jumping up
+and down in an agony of terror.  `Oh, there goes his PRECIOUS
+nose'; as an unusually large saucepan flew close by it, and very
+nearly carried it off.
+
+  `If everybody minded their own business,' the Duchess said in a
+hoarse growl, `the world would go round a deal faster than it
+does.'
+
+  `Which would NOT be an advantage,' said Alice, who felt very
+glad to get an opportunity of showing off a little of her
+knowledge.  `Just think of what work it would make with the day
+and night!  You see the earth takes twenty-four hours to turn
+round on its axis--'
+
+  `Talking of axes,' said the Duchess, `chop off her head!'
+
+  Alice glanced rather anxiously at the cook, to see if she meant
+to take the hint; but the cook was busily stirring the soup, and
+seemed not to be listening, so she went on again:  `Twenty-four
+hours, I THINK; or is it twelve?  I--'
+
+  `Oh, don't bother ME,' said the Duchess; `I never could abide
+figures!'  And with that she began nursing her child again,
+singing a sort of lullaby to it as she did so, and giving it a
+violent shake at the end of every line:
+
+        `Speak roughly to your little boy,
+          And beat him when he sneezes:
+        He only does it to annoy,
+          Because he knows it teases.'
+
+                    CHORUS.
+
+    (In which the cook and the baby joined):--
+
+                `Wow! wow! wow!'
+
+  While the Duchess sang the second verse of the song, she kept
+tossing the baby violently up and down, and the poor little thing
+howled so, that Alice could hardly hear the words:--
+
+        `I speak severely to my boy,
+          I beat him when he sneezes;
+        For he can thoroughly enjoy
+          The pepper when he pleases!'
+
+                    CHORUS.
+
+                `Wow! wow! wow!'
+
+  `Here! you may nurse it a bit, if you like!' the Duchess said
+to Alice, flinging the baby at her as she spoke.  `I must go and
+get ready to play croquet with the Queen,' and she hurried out of
+the room.  The cook threw a frying-pan after her as she went out,
+but it just missed her.
+
+  Alice caught the baby with some difficulty, as it was a queer-
+shaped little creature, and held out its arms and legs in all
+directions, `just like a star-fish,' thought Alice.  The poor
+little thing was snorting like a steam-engine when she caught it,
+and kept doubling itself up and straightening itself out again,
+so that altogether, for the first minute or two, it was as much
+as she could do to hold it.
+
+  As soon as she had made out the proper way of nursing it,
+(which was to twist it up into a sort of knot, and then keep
+tight hold of its right ear and left foot, so as to prevent its
+undoing itself,) she carried it out into the open air.  `IF I
+don't take this child away with me,' thought Alice, `they're sure
+to kill it in a day or two:  wouldn't it be murder to leave it
+behind?'  She said the last words out loud, and the little thing
+grunted in reply (it had left off sneezing by this time).  `Don't
+grunt,' said Alice; `that's not at all a proper way of expressing
+yourself.'
+
+  The baby grunted again, and Alice looked very anxiously into
+its face to see what was the matter with it.  There could be no
+doubt that it had a VERY turn-up nose, much more like a snout
+than a real nose; also its eyes were getting extremely small for
+a baby:  altogether Alice did not like the look of the thing at
+all.  `But perhaps it was only sobbing,' she thought, and looked
+into its eyes again, to see if there were any tears.
+
+  No, there were no tears.  `If you're going to turn into a pig,
+my dear,' said Alice, seriously, `I'll have nothing more to do
+with you.  Mind now!'  The poor little thing sobbed again (or
+grunted, it was impossible to say which), and they went on for
+some while in silence.
+
+  Alice was just beginning to think to herself, `Now, what am I
+to do with this creature when I get it home?' when it grunted
+again, so violently, that she looked down into its face in some
+alarm.  This time there could be NO mistake about it:  it was
+neither more nor less than a pig, and she felt that it would be
+quite absurd for her to carry it further.
+
+  So she set the little creature down, and felt quite relieved to
+see it trot away quietly into the wood.  `If it had grown up,'
+she said to herself, `it would have made a dreadfully ugly child:
+but it makes rather a handsome pig, I think.'  And she began
+thinking over other children she knew, who might do very well as
+pigs, and was just saying to herself, `if one only knew the right
+way to change them--' when she was a little startled by seeing
+the Cheshire Cat sitting on a bough of a tree a few yards off.
+
+  The Cat only grinned when it saw Alice.  It looked good-
+natured, she thought:  still it had VERY long claws and a great
+many teeth, so she felt that it ought to be treated with respect.
+
+  `Cheshire Puss,' she began, rather timidly, as she did not at
+all know whether it would like the name:  however, it only
+grinned a little wider.  `Come, it's pleased so far,' thought
+Alice, and she went on.  `Would you tell me, please, which way I
+ought to go from here?'
+
+  `That depends a good deal on where you want to get to,' said
+the Cat.
+
+  `I don't much care where--' said Alice.
+
+  `Then it doesn't matter which way you go,' said the Cat.
+
+  `--so long as I get SOMEWHERE,' Alice added as an explanation.
+
+  `Oh, you're sure to do that,' said the Cat, `if you only walk
+long enough.'
+
+  Alice felt that this could not be denied, so she tried another
+question.  `What sort of people live about here?'
+
+  `In THAT direction,' the Cat said, waving its right paw round,
+`lives a Hatter:  and in THAT direction,' waving the other paw,
+`lives a March Hare.  Visit either you like:  they're both mad.'
+
+  `But I don't want to go among mad people,' Alice remarked.
+
+  `Oh, you can't help that,' said the Cat:  `we're all mad here.
+I'm mad.  You're mad.'
+
+  `How do you know I'm mad?' said Alice.
+
+  `You must be,' said the Cat, `or you wouldn't have come here.'
+
+  Alice didn't think that proved it at all; however, she went on
+`And how do you know that you're mad?'
+
+  `To begin with,' said the Cat, `a dog's not mad.  You grant
+that?'
+
+  `I suppose so,' said Alice.
+
+  `Well, then,' the Cat went on, `you see, a dog growls when it's
+angry, and wags its tail when it's pleased.  Now I growl when I'm
+pleased, and wag my tail when I'm angry.  Therefore I'm mad.'
+
+  `I call it purring, not growling,' said Alice.
+
+  `Call it what you like,' said the Cat.  `Do you play croquet
+with the Queen to-day?'
+
+  `I should like it very much,' said Alice, `but I haven't been
+invited yet.'
+
+  `You'll see me there,' said the Cat, and vanished.
+
+  Alice was not much surprised at this, she was getting so used
+to queer things happening.  While she was looking at the place
+where it had been, it suddenly appeared again.
+
+  `By-the-bye, what became of the baby?' said the Cat.  `I'd
+nearly forgotten to ask.'
+
+  `It turned into a pig,' Alice quietly said, just as if it had
+come back in a natural way.
+
+  `I thought it would,' said the Cat, and vanished again.
+
+  Alice waited a little, half expecting to see it again, but it
+did not appear, and after a minute or two she walked on in the
+direction in which the March Hare was said to live.  `I've seen
+hatters before,' she said to herself; `the March Hare will be
+much the most interesting, and perhaps as this is May it won't be
+raving mad--at least not so mad as it was in March.'  As she said
+this, she looked up, and there was the Cat again, sitting on a
+branch of a tree.
+
+  `Did you say pig, or fig?' said the Cat.
+
+  `I said pig,' replied Alice; `and I wish you wouldn't keep
+appearing and vanishing so suddenly:  you make one quite giddy.'
+
+  `All right,' said the Cat; and this time it vanished quite
+slowly, beginning with the end of the tail, and ending with the
+grin, which remained some time after the rest of it had gone.
+
+  `Well!  I've often seen a cat without a grin,' thought Alice;
+`but a grin without a cat!  It's the most curious thing I ever
+say in my life!'
+
+  She had not gone much farther before she came in sight of the
+house of the March Hare:  she thought it must be the right house,
+because the chimneys were shaped like ears and the roof was
+thatched with fur.  It was so large a house, that she did not
+like to go nearer till she had nibbled some more of the lefthand
+bit of mushroom, and raised herself to about two feet high:  even
+then she walked up towards it rather timidly, saying to herself
+`Suppose it should be raving mad after all!  I almost wish I'd
+gone to see the Hatter instead!'
+
+
+
+                           CHAPTER VII
+
+                         A Mad Tea-Party
+
+
+  There was a table set out under a tree in front of the house,
+and the March Hare and the Hatter were having tea at it:  a
+Dormouse was sitting between them, fast asleep, and the other two
+were using it as a cushion, resting their elbows on it, and the
+talking over its head.  `Very uncomfortable for the Dormouse,'
+thought Alice; `only, as it's asleep, I suppose it doesn't mind.'
+
+  The table was a large one, but the three were all crowded
+together at one corner of it:  `No room!  No room!' they cried
+out when they saw Alice coming.  `There's PLENTY of room!' said
+Alice indignantly, and she sat down in a large arm-chair at one
+end of the table.
+
+  `Have some wine,' the March Hare said in an encouraging tone.
+
+  Alice looked all round the table, but there was nothing on it
+but tea.  `I don't see any wine,' she remarked.
+
+  `There isn't any,' said the March Hare.
+
+  `Then it wasn't very civil of you to offer it,' said Alice
+angrily.
+
+  `It wasn't very civil of you to sit down without being
+invited,' said the March Hare.
+
+  `I didn't know it was YOUR table,' said Alice; `it's laid for a
+great many more than three.'
+
+  `Your hair wants cutting,' said the Hatter.  He had been
+looking at Alice for some time with great curiosity, and this was
+his first speech.
+
+  `You should learn not to make personal remarks,' Alice said
+with some severity; `it's very rude.'
+
+  The Hatter opened his eyes very wide on hearing this; but all
+he SAID was, `Why is a raven like a writing-desk?'
+
+  `Come, we shall have some fun now!' thought Alice.  `I'm glad
+they've begun asking riddles.--I believe I can guess that,' she
+added aloud.
+
+  `Do you mean that you think you can find out the answer to it?'
+said the March Hare.
+
+  `Exactly so,' said Alice.
+
+  `Then you should say what you mean,' the March Hare went on.
+
+  `I do,' Alice hastily replied; `at least--at least I mean what
+I say--that's the same thing, you know.'
+
+  `Not the same thing a bit!' said the Hatter.  `You might just
+as well say that "I see what I eat" is the same thing as "I eat
+what I see"!'
+
+  `You might just as well say,' added the March Hare, `that "I
+like what I get" is the same thing as "I get what I like"!'
+
+  `You might just as well say,' added the Dormouse, who seemed to
+be talking in his sleep, `that "I breathe when I sleep" is the
+same thing as "I sleep when I breathe"!'
+
+  `It IS the same thing with you,' said the Hatter, and here the
+conversation dropped, and the party sat silent for a minute,
+while Alice thought over all she could remember about ravens and
+writing-desks, which wasn't much.
+
+  The Hatter was the first to break the silence.  `What day of
+the month is it?' he said, turning to Alice:  he had taken his
+watch out of his pocket, and was looking at it uneasily, shaking
+it every now and then, and holding it to his ear.
+
+  Alice considered a little, and then said `The fourth.'
+
+  `Two days wrong!' sighed the Hatter.  `I told you butter
+wouldn't suit the works!' he added looking angrily at the March
+Hare.
+
+  `It was the BEST butter,' the March Hare meekly replied.
+
+  `Yes, but some crumbs must have got in as well,' the Hatter
+grumbled:  `you shouldn't have put it in with the bread-knife.'
+
+  The March Hare took the watch and looked at it gloomily:  then
+he dipped it into his cup of tea, and looked at it again:  but he
+could think of nothing better to say than his first remark, `It
+was the BEST butter, you know.'
+
+  Alice had been looking over his shoulder with some curiosity.
+`What a funny watch!' she remarked.  `It tells the day of the
+month, and doesn't tell what o'clock it is!'
+
+  `Why should it?' muttered the Hatter.  `Does YOUR watch tell
+you what year it is?'
+
+  `Of course not,' Alice replied very readily:  `but that's
+because it stays the same year for such a long time together.'
+
+  `Which is just the case with MINE,' said the Hatter.
+
+  Alice felt dreadfully puzzled.  The Hatter's remark seemed to
+have no sort of meaning in it, and yet it was certainly English.
+`I don't quite understand you,' she said, as politely as she
+could.
+
+  `The Dormouse is asleep again,' said the Hatter, and he poured
+a little hot tea upon its nose.
+
+  The Dormouse shook its head impatiently, and said, without
+opening its eyes, `Of course, of course; just what I was going to
+remark myself.'
+
+  `Have you guessed the riddle yet?' the Hatter said, turning to
+Alice again.
+
+  `No, I give it up,' Alice replied:  `what's the answer?'
+
+  `I haven't the slightest idea,' said the Hatter.
+
+  `Nor I,' said the March Hare.
+
+  Alice sighed wearily.  `I think you might do something better
+with the time,' she said, `than waste it in asking riddles that
+have no answers.'
+
+  `If you knew Time as well as I do,' said the Hatter, `you
+wouldn't talk about wasting IT.  It's HIM.'
+
+  `I don't know what you mean,' said Alice.
+
+  `Of course you don't!' the Hatter said, tossing his head
+contemptuously.  `I dare say you never even spoke to Time!'
+
+  `Perhaps not,' Alice cautiously replied:  `but I know I have to
+beat time when I learn music.'
+
+  `Ah! that accounts for it,' said the Hatter.  `He won't stand
+beating.  Now, if you only kept on good terms with him, he'd do
+almost anything you liked with the clock.  For instance, suppose
+it were nine o'clock in the morning, just time to begin lessons:
+you'd only have to whisper a hint to Time, and round goes the
+clock in a twinkling!  Half-past one, time for dinner!'
+
+  (`I only wish it was,' the March Hare said to itself in a
+whisper.)
+
+  `That would be grand, certainly,' said Alice thoughtfully:
+`but then--I shouldn't be hungry for it, you know.'
+
+  `Not at first, perhaps,' said the Hatter:  `but you could keep
+it to half-past one as long as you liked.'
+
+  `Is that the way YOU manage?' Alice asked.
+
+  The Hatter shook his head mournfully.  `Not I!' he replied.
+`We quarrelled last March--just before HE went mad, you know--'
+(pointing with his tea spoon at the March Hare,) `--it was at the
+great concert given by the Queen of Hearts, and I had to sing
+
+            "Twinkle, twinkle, little bat!
+            How I wonder what you're at!"
+
+You know the song, perhaps?'
+
+  `I've heard something like it,' said Alice.
+
+  `It goes on, you know,' the Hatter continued, `in this way:--
+
+            "Up above the world you fly,
+            Like a tea-tray in the sky.
+                    Twinkle, twinkle--"'
+
+Here the Dormouse shook itself, and began singing in its sleep
+`Twinkle, twinkle, twinkle, twinkle--' and went on so long that
+they had to pinch it to make it stop.
+
+  `Well, I'd hardly finished the first verse,' said the Hatter,
+`when the Queen jumped up and bawled out, "He's murdering the
+time!  Off with his head!"'
+
+  `How dreadfully savage!' exclaimed Alice.
+
+  `And ever since that,' the Hatter went on in a mournful tone,
+`he won't do a thing I ask!  It's always six o'clock now.'
+
+  A bright idea came into Alice's head.  `Is that the reason so
+many tea-things are put out here?' she asked.
+
+  `Yes, that's it,' said the Hatter with a sigh:  `it's always
+tea-time, and we've no time to wash the things between whiles.'
+
+  `Then you keep moving round, I suppose?' said Alice.
+
+  `Exactly so,' said the Hatter:  `as the things get used up.'
+
+  `But what happens when you come to the beginning again?' Alice
+ventured to ask.
+
+  `Suppose we change the subject,' the March Hare interrupted,
+yawning.  `I'm getting tired of this.  I vote the young lady
+tells us a story.'
+
+  `I'm afraid I don't know one,' said Alice, rather alarmed at
+the proposal.
+
+  `Then the Dormouse shall!' they both cried.  `Wake up,
+Dormouse!'  And they pinched it on both sides at once.
+
+  The Dormouse slowly opened his eyes.  `I wasn't asleep,' he
+said in a hoarse, feeble voice:  `I heard every word you fellows
+were saying.'
+
+  `Tell us a story!' said the March Hare.
+
+  `Yes, please do!' pleaded Alice.
+
+  `And be quick about it,' added the Hatter, `or you'll be asleep
+again before it's done.'
+
+  `Once upon a time there were three little sisters,' the
+Dormouse began in a great hurry; `and their names were Elsie,
+Lacie, and Tillie; and they lived at the bottom of a well--'
+
+  `What did they live on?' said Alice, who always took a great
+interest in questions of eating and drinking.
+
+  `They lived on treacle,' said the Dormouse, after thinking a
+minute or two.
+
+  `They couldn't have done that, you know,' Alice gently
+remarked; `they'd have been ill.'
+
+  `So they were,' said the Dormouse; `VERY ill.'
+
+  Alice tried to fancy to herself what such an extraordinary ways
+of living would be like, but it puzzled her too much, so she went
+on:  `But why did they live at the bottom of a well?'
+
+  `Take some more tea,' the March Hare said to Alice, very
+earnestly.
+
+  `I've had nothing yet,' Alice replied in an offended tone, `so
+I can't take more.'
+
+  `You mean you can't take LESS,' said the Hatter:  `it's very
+easy to take MORE than nothing.'
+
+  `Nobody asked YOUR opinion,' said Alice.
+
+  `Who's making personal remarks now?' the Hatter asked
+triumphantly.
+
+  Alice did not quite know what to say to this:  so she helped
+herself to some tea and bread-and-butter, and then turned to the
+Dormouse, and repeated her question.  `Why did they live at the
+bottom of a well?'
+
+  The Dormouse again took a minute or two to think about it, and
+then said, `It was a treacle-well.'
+
+  `There's no such thing!'  Alice was beginning very angrily, but
+the Hatter and the March Hare went `Sh! sh!' and the Dormouse
+sulkily remarked, `If you can't be civil, you'd better finish the
+story for yourself.'
+
+  `No, please go on!' Alice said very humbly; `I won't interrupt
+again.  I dare say there may be ONE.'
+
+  `One, indeed!' said the Dormouse indignantly.  However, he
+consented to go on.  `And so these three little sisters--they
+were learning to draw, you know--'
+
+  `What did they draw?' said Alice, quite forgetting her promise.
+
+  `Treacle,' said the Dormouse, without considering at all this
+time.
+
+  `I want a clean cup,' interrupted the Hatter:  `let's all move
+one place on.'
+
+  He moved on as he spoke, and the Dormouse followed him:  the
+March Hare moved into the Dormouse's place, and Alice rather
+unwillingly took the place of the March Hare.  The Hatter was the
+only one who got any advantage from the change:  and Alice was a
+good deal worse off than before, as the March Hare had just upset
+the milk-jug into his plate.
+
+  Alice did not wish to offend the Dormouse again, so she began
+very cautiously:  `But I don't understand.  Where did they draw
+the treacle from?'
+
+  `You can draw water out of a water-well,' said the Hatter; `so
+I should think you could draw treacle out of a treacle-well--eh,
+stupid?'
+
+  `But they were IN the well,' Alice said to the Dormouse, not
+choosing to notice this last remark.
+
+  `Of course they were', said the Dormouse; `--well in.'
+
+  This answer so confused poor Alice, that she let the Dormouse
+go on for some time without interrupting it.
+
+  `They were learning to draw,' the Dormouse went on, yawning and
+rubbing its eyes, for it was getting very sleepy; `and they drew
+all manner of things--everything that begins with an M--'
+
+  `Why with an M?' said Alice.
+
+  `Why not?' said the March Hare.
+
+  Alice was silent.
+
+  The Dormouse had closed its eyes by this time, and was going
+off into a doze; but, on being pinched by the Hatter, it woke up
+again with a little shriek, and went on:  `--that begins with an
+M, such as mouse-traps, and the moon, and memory, and muchness--
+you know you say things are "much of a muchness"--did you ever
+see such a thing as a drawing of a muchness?'
+
+  `Really, now you ask me,' said Alice, very much confused, `I
+don't think--'
+
+  `Then you shouldn't talk,' said the Hatter.
+
+  This piece of rudeness was more than Alice could bear:  she got
+up in great disgust, and walked off; the Dormouse fell asleep
+instantly, and neither of the others took the least notice of her
+going, though she looked back once or twice, half hoping that
+they would call after her:  the last time she saw them, they were
+trying to put the Dormouse into the teapot.
+
+  `At any rate I'll never go THERE again!' said Alice as she
+picked her way through the wood.  `It's the stupidest tea-party I
+ever was at in all my life!'
+
+  Just as she said this, she noticed that one of the trees had a
+door leading right into it.  `That's very curious!' she thought.
+`But everything's curious today.  I think I may as well go in at
+once.'  And in she went.
+
+  Once more she found herself in the long hall, and close to the
+little glass table.  `Now, I'll manage better this time,' she
+said to herself, and began by taking the little golden key, and
+unlocking the door that led into the garden.  Then she went to
+work nibbling at the mushroom (she had kept a piece of it in her
+pocked) till she was about a foot high:  then she walked down the
+little passage:  and THEN--she found herself at last in the
+beautiful garden, among the bright flower-beds and the cool
+fountains.
+
+
+
+                          CHAPTER VIII
+
+                   The Queen's Croquet-Ground
+
+
+  A large rose-tree stood near the entrance of the garden:  the
+roses growing on it were white, but there were three gardeners at
+it, busily painting them red.  Alice thought this a very curious
+thing, and she went nearer to watch them, and just as she came up
+to them she heard one of them say, `Look out now, Five!  Don't go
+splashing paint over me like that!'
+
+  `I couldn't help it,' said Five, in a sulky tone; `Seven jogged
+my elbow.'
+
+  On which Seven looked up and said, `That's right, Five!  Always
+lay the blame on others!'
+
+  `YOU'D better not talk!' said Five.  `I heard the Queen say only
+yesterday you deserved to be beheaded!'
+
+  `What for?' said the one who had spoken first.
+
+  `That's none of YOUR business, Two!' said Seven.
+
+  `Yes, it IS his business!' said Five, `and I'll tell him--it
+was for bringing the cook tulip-roots instead of onions.'
+
+  Seven flung down his brush, and had just begun `Well, of all
+the unjust things--' when his eye chanced to fall upon Alice, as
+she stood watching them, and he checked himself suddenly:  the
+others looked round also, and all of them bowed low.
+
+  `Would you tell me,' said Alice, a little timidly, `why you are
+painting those roses?'
+
+  Five and Seven said nothing, but looked at Two.  Two began in a
+low voice, `Why the fact is, you see, Miss, this here ought to
+have been a RED rose-tree, and we put a white one in by mistake;
+and if the Queen was to find it out, we should all have our heads
+cut off, you know.  So you see, Miss, we're doing our best, afore
+she comes, to--'  At this moment Five, who had been anxiously
+looking across the garden, called out `The Queen!  The Queen!'
+and the three gardeners instantly threw themselves flat upon
+their faces.  There was a sound of many footsteps, and Alice
+looked round, eager to see the Queen.
+
+  First came ten soldiers carrying clubs; these were all shaped
+like the three gardeners, oblong and flat, with their hands and
+feet at the corners:  next the ten courtiers; these were
+ornamented all over with diamonds, and walked two and two, as the
+soldiers did.  After these came the royal children; there were
+ten of them, and the little dears came jumping merrily along hand
+in hand, in couples:  they were all ornamented with hearts.  Next
+came the guests, mostly Kings and Queens, and among them Alice
+recognised the White Rabbit:  it was talking in a hurried nervous
+manner, smiling at everything that was said, and went by without
+noticing her.  Then followed the Knave of Hearts, carrying the
+King's crown on a crimson velvet cushion; and, last of all this
+grand procession, came THE KING AND QUEEN OF HEARTS.
+
+  Alice was rather doubtful whether she ought not to lie down on
+her face like the three gardeners, but she could not remember
+every having heard of such a rule at processions; `and besides,
+what would be the use of a procession,' thought she, `if people
+had all to lie down upon their faces, so that they couldn't see
+it?'  So she stood still where she was, and waited.
+
+  When the procession came opposite to Alice, they all stopped
+and looked at her, and the Queen said severely `Who is this?'
+She said it to the Knave of Hearts, who only bowed and smiled in
+reply.
+
+  `Idiot!' said the Queen, tossing her head impatiently; and,
+turning to Alice, she went on, `What's your name, child?'
+
+  `My name is Alice, so please your Majesty,' said Alice very
+politely; but she added, to herself, `Why, they're only a pack of
+cards, after all.  I needn't be afraid of them!'
+
+  `And who are THESE?' said the Queen, pointing to the three
+gardeners who were lying round the rosetree; for, you see, as
+they were lying on their faces, and the pattern on their backs
+was the same as the rest of the pack, she could not tell whether
+they were gardeners, or soldiers, or courtiers, or three of her
+own children.
+
+  `How should I know?' said Alice, surprised at her own courage.
+`It's no business of MINE.'
+
+  The Queen turned crimson with fury, and, after glaring at her
+for a moment like a wild beast, screamed `Off with her head!
+Off--'
+
+  `Nonsense!' said Alice, very loudly and decidedly, and the
+Queen was silent.
+
+  The King laid his hand upon her arm, and timidly said
+`Consider, my dear:  she is only a child!'
+
+  The Queen turned angrily away from him, and said to the Knave
+`Turn them over!'
+
+  The Knave did so, very carefully, with one foot.
+
+  `Get up!' said the Queen, in a shrill, loud voice, and the
+three gardeners instantly jumped up, and began bowing to the
+King, the Queen, the royal children, and everybody else.
+
+  `Leave off that!' screamed the Queen.  `You make me giddy.'
+And then, turning to the rose-tree, she went on, `What HAVE you
+been doing here?'
+
+  `May it please your Majesty,' said Two, in a very humble tone,
+going down on one knee as he spoke, `we were trying--'
+
+  `I see!' said the Queen, who had meanwhile been examining the
+roses.  `Off with their heads!' and the procession moved on,
+three of the soldiers remaining behind to execute the unfortunate
+gardeners, who ran to Alice for protection.
+
+  `You shan't be beheaded!' said Alice, and she put them into a
+large flower-pot that stood near.  The three soldiers wandered
+about for a minute or two, looking for them, and then quietly
+marched off after the others.
+
+  `Are their heads off?' shouted the Queen.
+
+  `Their heads are gone, if it please your Majesty!' the soldiers
+shouted in reply.
+
+  `That's right!' shouted the Queen.  `Can you play croquet?'
+
+  The soldiers were silent, and looked at Alice, as the question
+was evidently meant for her.
+
+  `Yes!' shouted Alice.
+
+  `Come on, then!' roared the Queen, and Alice joined the
+procession, wondering very much what would happen next.
+
+  `It's--it's a very fine day!' said a timid voice at her side.
+She was walking by the White Rabbit, who was peeping anxiously
+into her face.
+
+  `Very,' said Alice:  `--where's the Duchess?'
+
+  `Hush!  Hush!' said the Rabbit in a low, hurried tone.  He
+looked anxiously over his shoulder as he spoke, and then raised
+himself upon tiptoe, put his mouth close to her ear, and
+whispered `She's under sentence of execution.'
+
+  `What for?' said Alice.
+
+  `Did you say "What a pity!"?' the Rabbit asked.
+
+  `No, I didn't,' said Alice:  `I don't think it's at all a pity.
+I said "What for?"'
+
+  `She boxed the Queen's ears--' the Rabbit began.  Alice gave a
+little scream of laughter.  `Oh, hush!' the Rabbit whispered in a
+frightened tone.  `The Queen will hear you!  You see, she came
+rather late, and the Queen said--'
+
+  `Get to your places!' shouted the Queen in a voice of thunder,
+and people began running about in all directions, tumbling up
+against each other; however, they got settled down in a minute or
+two, and the game began.  Alice thought she had never seen such a
+curious croquet-ground in her life; it was all ridges and
+furrows; the balls were live hedgehogs, the mallets live
+flamingoes, and the soldiers had to double themselves up and to
+stand on their hands and feet, to make the arches.
+
+  The chief difficulty Alice found at first was in managing her
+flamingo:  she succeeded in getting its body tucked away,
+comfortably enough, under her arm, with its legs hanging down,
+but generally, just as she had got its neck nicely straightened
+out, and was going to give the hedgehog a blow with its head, it
+WOULD twist itself round and look up in her face, with such a
+puzzled expression that she could not help bursting out laughing:
+and when she had got its head down, and was going to begin again,
+it was very provoking to find that the hedgehog had unrolled
+itself, and was in the act of crawling away:  besides all this,
+there was generally a ridge or furrow in the way wherever she
+wanted to send the hedgehog to, and, as the doubled-up soldiers
+were always getting up and walking off to other parts of the
+ground, Alice soon came to the conclusion that it was a very
+difficult game indeed.
+
+  The players all played at once without waiting for turns,
+quarrelling all the while, and fighting for the hedgehogs; and in
+a very short time the Queen was in a furious passion, and went
+stamping about, and shouting `Off with his head!' or `Off with
+her head!' about once in a minute.
+
+  Alice began to feel very uneasy:  to be sure, she had not as
+yet had any dispute with the Queen, but she knew that it might
+happen any minute, `and then,' thought she, `what would become of
+me?  They're dreadfully fond of beheading people here; the great
+wonder is, that there's any one left alive!'
+
+  She was looking about for some way of escape, and wondering
+whether she could get away without being seen, when she noticed a
+curious appearance in the air:  it puzzled her very much at
+first, but, after watching it a minute or two, she made it out to
+be a grin, and she said to herself `It's the Cheshire Cat:  now I
+shall have somebody to talk to.'
+
+  `How are you getting on?' said the Cat, as soon as there was
+mouth enough for it to speak with.
+
+  Alice waited till the eyes appeared, and then nodded.  `It's no
+use speaking to it,' she thought, `till its ears have come, or at
+least one of them.'  In another minute the whole head appeared,
+and then Alice put down her flamingo, and began an account of the
+game, feeling very glad she had someone to listen to her.  The
+Cat seemed to think that there was enough of it now in sight, and
+no more of it appeared.
+
+  `I don't think they play at all fairly,' Alice began, in rather
+a complaining tone, `and they all quarrel so dreadfully one can't
+hear oneself speak--and they don't seem to have any rules in
+particular; at least, if there are, nobody attends to them--and
+you've no idea how confusing it is all the things being alive;
+for instance, there's the arch I've got to go through next
+walking about at the other end of the ground--and I should have
+croqueted the Queen's hedgehog just now, only it ran away when it
+saw mine coming!'
+
+  `How do you like the Queen?' said the Cat in a low voice.
+
+  `Not at all,' said Alice:  `she's so extremely--'  Just then
+she noticed that the Queen was close behind her, listening:  so
+she went on, `--likely to win, that it's hardly worth while
+finishing the game.'
+
+  The Queen smiled and passed on.
+
+  `Who ARE you talking to?' said the King, going up to Alice, and
+looking at the Cat's head with great curiosity.
+
+  `It's a friend of mine--a Cheshire Cat,' said Alice:  `allow me
+to introduce it.'
+
+  `I don't like the look of it at all,' said the King:  `however,
+it may kiss my hand if it likes.'
+
+  `I'd rather not,' the Cat remarked.
+
+  `Don't be impertinent,' said the King, `and don't look at me
+like that!'  He got behind Alice as he spoke.
+
+  `A cat may look at a king,' said Alice.  `I've read that in
+some book, but I don't remember where.'
+
+  `Well, it must be removed,' said the King very decidedly, and
+he called the Queen, who was passing at the moment, `My dear!  I
+wish you would have this cat removed!'
+
+  The Queen had only one way of settling all difficulties, great
+or small.  `Off with his head!' she said, without even looking
+round.
+
+  `I'll fetch the executioner myself,' said the King eagerly, and
+he hurried off.
+
+  Alice thought she might as well go back, and see how the game
+was going on, as she heard the Queen's voice in the distance,
+screaming with passion.  She had already heard her sentence three
+of the players to be executed for having missed their turns, and
+she did not like the look of things at all, as the game was in
+such confusion that she never knew whether it was her turn or
+not.  So she went in search of her hedgehog.
+
+  The hedgehog was engaged in a fight with another hedgehog,
+which seemed to Alice an excellent opportunity for croqueting one
+of them with the other:  the only difficulty was, that her
+flamingo was gone across to the other side of the garden, where
+Alice could see it trying in a helpless sort of way to fly up
+into a tree.
+
+  By the time she had caught the flamingo and brought it back,
+the fight was over, and both the hedgehogs were out of sight:
+`but it doesn't matter much,' thought Alice, `as all the arches
+are gone from this side of the ground.'  So she tucked it away
+under her arm, that it might not escape again, and went back for
+a little more conversation with her friend.
+
+  When she got back to the Cheshire Cat, she was surprised to
+find quite a large crowd collected round it:  there was a dispute
+going on between the executioner, the King, and the Queen, who
+were all talking at once, while all the rest were quite silent,
+and looked very uncomfortable.
+
+  The moment Alice appeared, she was appealed to by all three to
+settle the question, and they repeated their arguments to her,
+though, as they all spoke at once, she found it very hard indeed
+to make out exactly what they said.
+
+  The executioner's argument was, that you couldn't cut off a
+head unless there was a body to cut it off from:  that he had
+never had to do such a thing before, and he wasn't going to begin
+at HIS time of life.
+
+  The King's argument was, that anything that had a head could be
+beheaded, and that you weren't to talk nonsense.
+
+  The Queen's argument was, that if something wasn't done about
+it in less than no time she'd have everybody executed, all round.
+(It was this last remark that had made the whole party look so
+grave and anxious.)
+
+  Alice could think of nothing else to say but `It belongs to the
+Duchess:  you'd better ask HER about it.'
+
+  `She's in prison,' the Queen said to the executioner:  `fetch
+her here.'  And the executioner went off like an arrow.
+
+   The Cat's head began fading away the moment he was gone, and,
+by the time he had come back with the Dutchess, it had entirely
+disappeared; so the King and the executioner ran wildly up and
+down looking for it, while the rest of the party went back to the game.
+
+
+
+                           CHAPTER IX
+
+                     The Mock Turtle's Story
+
+
+  `You can't think how glad I am to see you again, you dear old
+thing!' said the Duchess, as she tucked her arm affectionately
+into Alice's, and they walked off together.
+
+  Alice was very glad to find her in such a pleasant temper, and
+thought to herself that perhaps it was only the pepper that had
+made her so savage when they met in the kitchen.
+
+  `When I'M a Duchess,' she said to herself, (not in a very
+hopeful tone though), `I won't have any pepper in my kitchen AT
+ALL.  Soup does very well without--Maybe it's always pepper that
+makes people hot-tempered,' she went on, very much pleased at
+having found out a new kind of rule, `and vinegar that makes them
+sour--and camomile that makes them bitter--and--and barley-sugar
+and such things that make children sweet-tempered.  I only wish
+people knew that:  then they wouldn't be so stingy about it, you
+know--'
+
+  She had quite forgotten the Duchess by this time, and was a
+little startled when she heard her voice close to her ear.
+`You're thinking about something, my dear, and that makes you
+forget to talk.  I can't tell you just now what the moral of that
+is, but I shall remember it in a bit.'
+
+  `Perhaps it hasn't one,' Alice ventured to remark.
+
+  `Tut, tut, child!' said the Duchess.  `Everything's got a
+moral, if only you can find it.'  And she squeezed herself up
+closer to Alice's side as she spoke.
+
+  Alice did not much like keeping so close to her:  first,
+because the Duchess was VERY ugly; and secondly, because she was
+exactly the right height to rest her chin upon Alice's shoulder,
+and it was an uncomfortably sharp chin.  However, she did not
+like to be rude, so she bore it as well as she could.
+
+  `The game's going on rather better now,' she said, by way of
+keeping up the conversation a little.
+
+  `'Tis so,' said the Duchess:  `and the moral of that is--"Oh,
+'tis love, 'tis love, that makes the world go round!"'
+
+  `Somebody said,' Alice whispered, `that it's done by everybody
+minding their own business!'
+
+  `Ah, well!  It means much the same thing,' said the Duchess,
+digging her sharp little chin into Alice's shoulder as she added,
+`and the moral of THAT is--"Take care of the sense, and the
+sounds will take care of themselves."'
+
+  `How fond she is of finding morals in things!' Alice thought to
+herself.
+
+  `I dare say you're wondering why I don't put my arm round your
+waist,' the Duchess said after a pause:  `the reason is, that I'm
+doubtful about the temper of your flamingo.  Shall I try the
+experiment?'
+
+  `HE might bite,' Alice cautiously replied, not feeling at all
+anxious to have the experiment tried.
+
+  `Very true,' said the Duchess:  `flamingoes and mustard both
+bite.  And the moral of that is--"Birds of a feather flock
+together."'
+
+  `Only mustard isn't a bird,' Alice remarked.
+
+  `Right, as usual,' said the Duchess:  `what a clear way you
+have of putting things!'
+
+  `It's a mineral, I THINK,' said Alice.
+
+  `Of course it is,' said the Duchess, who seemed ready to agree
+to everything that Alice said; `there's a large mustard-mine near
+here.  And the moral of that is--"The more there is of mine, the
+less there is of yours."'
+
+  `Oh, I know!' exclaimed Alice, who had not attended to this
+last remark, `it's a vegetable.  It doesn't look like one, but it
+is.'
+
+  `I quite agree with you,' said the Duchess; `and the moral of
+that is--"Be what you would seem to be"--or if you'd like it put
+more simply--"Never imagine yourself not to be otherwise than
+what it might appear to others that what you were or might have
+been was not otherwise than what you had been would have appeared
+to them to be otherwise."'
+
+  `I think I should understand that better,' Alice said very
+politely, `if I had it written down:  but I can't quite follow it
+as you say it.'
+
+  `That's nothing to what I could say if I chose,' the Duchess
+replied, in a pleased tone.
+
+  `Pray don't trouble yourself to say it any longer than that,'
+said Alice.
+
+  `Oh, don't talk about trouble!' said the Duchess.  `I make you
+a present of everything I've said as yet.'
+
+  `A cheap sort of present!' thought Alice.  `I'm glad they don't
+give birthday presents like that!'  But she did not venture to
+say it out loud.
+
+  `Thinking again?' the Duchess asked, with another dig of her
+sharp little chin.
+
+  `I've a right to think,' said Alice sharply, for she was
+beginning to feel a little worried.
+
+  `Just about as much right,' said the Duchess, `as pigs have to
+fly; and the m--'
+
+  But here, to Alice's great surprise, the Duchess's voice died
+away, even in the middle of her favourite word `moral,' and the
+arm that was linked into hers began to tremble.  Alice looked up,
+and there stood the Queen in front of them, with her arms folded,
+frowning like a thunderstorm.
+
+  `A fine day, your Majesty!' the Duchess began in a low, weak
+voice.
+
+  `Now, I give you fair warning,' shouted the Queen, stamping on
+the ground as she spoke; `either you or your head must be off,
+and that in about half no time!  Take your choice!'
+
+  The Duchess took her choice, and was gone in a moment.
+
+  `Let's go on with the game,' the Queen said to Alice; and Alice
+was too much frightened to say a word, but slowly followed her
+back to the croquet-ground.
+
+  The other guests had taken advantage of the Queen's absence,
+and were resting in the shade:  however, the moment they saw her,
+they hurried back to the game, the Queen merely remarking that a
+moment's delay would cost them their lives.
+
+  All the time they were playing the Queen never left off
+quarrelling with the other players, and shouting `Off with his
+head!' or `Off with her head!'  Those whom she sentenced were
+taken into custody by the soldiers, who of course had to leave
+off being arches to do this, so that by the end of half an hour
+or so there were no arches left, and all the players, except the
+King, the Queen, and Alice, were in custody and under sentence of
+execution.
+
+  Then the Queen left off, quite out of breath, and said to
+Alice, `Have you seen the Mock Turtle yet?'
+
+  `No,' said Alice.  `I don't even know what a Mock Turtle is.'
+
+  `It's the thing Mock Turtle Soup is made from,' said the Queen.
+
+  `I never saw one, or heard of one,' said Alice.
+
+  `Come on, then,' said the Queen, `and he shall tell you his
+history,'
+
+  As they walked off together, Alice heard the King say in a low
+voice, to the company generally, `You are all pardoned.'  `Come,
+THAT'S a good thing!' she said to herself, for she had felt quite
+unhappy at the number of executions the Queen had ordered.
+
+  They very soon came upon a Gryphon, lying fast asleep in the
+sun.  (IF you don't know what a Gryphon is, look at the picture.)
+`Up, lazy thing!' said the Queen, `and take this young lady to
+see the Mock Turtle, and to hear his history.  I must go back and
+see after some executions I have ordered'; and she walked off,
+leaving Alice alone with the Gryphon.  Alice did not quite like
+the look of the creature, but on the whole she thought it would
+be quite as safe to stay with it as to go after that savage
+Queen:  so she waited.
+
+  The Gryphon sat up and rubbed its eyes:  then it watched the
+Queen till she was out of sight:  then it chuckled.  `What fun!'
+said the Gryphon, half to itself, half to Alice.
+
+  `What IS the fun?' said Alice.
+
+  `Why, SHE,' said the Gryphon.  `It's all her fancy, that:  they
+never executes nobody, you know.  Come on!'
+
+  `Everybody says "come on!" here,' thought Alice, as she went
+slowly after it:  `I never was so ordered about in all my life,
+never!'
+
+  They had not gone far before they saw the Mock Turtle in the
+distance, sitting sad and lonely on a little ledge of rock, and,
+as they came nearer, Alice could hear him sighing as if his heart
+would break.  She pitied him deeply.  `What is his sorrow?' she
+asked the Gryphon, and the Gryphon answered, very nearly in the
+same words as before, `It's all his fancy, that:  he hasn't got
+no sorrow, you know.  Come on!'
+
+  So they went up to the Mock Turtle, who looked at them with
+large eyes full of tears, but said nothing.
+
+  `This here young lady,' said the Gryphon, `she wants for to
+know your history, she do.'
+
+  `I'll tell it her,' said the Mock Turtle in a deep, hollow
+tone:  `sit down, both of you, and don't speak a word till I've
+finished.'
+
+  So they sat down, and nobody spoke for some minutes.  Alice
+thought to herself, `I don't see how he can EVEN finish, if he
+doesn't begin.'  But she waited patiently.
+
+  `Once,' said the Mock Turtle at last, with a deep sigh, `I was
+a real Turtle.'
+
+  These words were followed by a very long silence, broken only
+by an occasional exclamation of `Hjckrrh!' from the Gryphon, and
+the constant heavy sobbing of the Mock Turtle.  Alice was very
+nearly getting up and saying, `Thank you, sir, for your
+interesting story,' but she could not help thinking there MUST be
+more to come, so she sat still and said nothing.
+
+  `When we were little,' the Mock Turtle went on at last, more
+calmly, though still sobbing a little now and then, `we went to
+school in the sea.  The master was an old Turtle--we used to call
+him Tortoise--'
+
+  `Why did you call him Tortoise, if he wasn't one?' Alice asked.
+
+  `We called him Tortoise because he taught us,' said the Mock
+Turtle angrily:  `really you are very dull!'
+
+  `You ought to be ashamed of yourself for asking such a simple
+question,' added the Gryphon; and then they both sat silent and
+looked at poor Alice, who felt ready to sink into the earth.  At
+last the Gryphon said to the Mock Turtle, `Drive on, old fellow!
+Don't be all day about it!' and he went on in these words:
+
+  `Yes, we went to school in the sea, though you mayn't believe
+it--'
+
+  `I never said I didn't!' interrupted Alice.
+
+  `You did,' said the Mock Turtle.
+
+  `Hold your tongue!' added the Gryphon, before Alice could speak
+again.  The Mock Turtle went on.
+
+  `We had the best of educations--in fact, we went to school
+every day--'
+
+  `I'VE been to a day-school, too,' said Alice; `you needn't be
+so proud as all that.'
+
+  `With extras?' asked the Mock Turtle a little anxiously.
+
+  `Yes,' said Alice, `we learned French and music.'
+
+  `And washing?' said the Mock Turtle.
+
+  `Certainly not!' said Alice indignantly.
+
+  `Ah! then yours wasn't a really good school,' said the Mock
+Turtle in a tone of great relief.  `Now at OURS they had at the
+end of the bill, "French, music, AND WASHING--extra."'
+
+  `You couldn't have wanted it much,' said Alice; `living at the
+bottom of the sea.'
+
+  `I couldn't afford to learn it.' said the Mock Turtle with a
+sigh.  `I only took the regular course.'
+
+  `What was that?' inquired Alice.
+
+  `Reeling and Writhing, of course, to begin with,' the Mock
+Turtle replied; `and then the different branches of Arithmetic--
+Ambition, Distraction, Uglification, and Derision.'
+
+  `I never heard of "Uglification,"' Alice ventured to say.  `What
+is it?'
+
+  The Gryphon lifted up both its paws in surprise.  `What!  Never
+heard of uglifying!' it exclaimed.  `You know what to beautify
+is, I suppose?'
+
+  `Yes,' said Alice doubtfully:  `it means--to--make--anything--
+prettier.'
+
+  `Well, then,' the Gryphon went on, `if you don't know what to
+uglify is, you ARE a simpleton.'
+
+  Alice did not feel encouraged to ask any more questions about
+it, so she turned to the Mock Turtle, and said `What else had you
+to learn?'
+
+  `Well, there was Mystery,' the Mock Turtle replied, counting
+off the subjects on his flappers, `--Mystery, ancient and modern,
+with Seaography:  then Drawling--the Drawling-master was an old
+conger-eel, that used to come once a week:  HE taught us
+Drawling, Stretching, and Fainting in Coils.'
+
+  `What was THAT like?' said Alice.
+
+  `Well, I can't show it you myself,' the Mock Turtle said:  `I'm
+too stiff.  And the Gryphon never learnt it.'
+
+  `Hadn't time,' said the Gryphon:  `I went to the Classics
+master, though.  He was an old crab, HE was.'
+
+  `I never went to him,' the Mock Turtle said with a sigh:  `he
+taught Laughing and Grief, they used to say.'
+
+  `So he did, so he did,' said the Gryphon, sighing in his turn;
+and both creatures hid their faces in their paws.
+
+  `And how many hours a day did you do lessons?' said Alice, in a
+hurry to change the subject.
+
+  `Ten hours the first day,' said the Mock Turtle: `nine the
+next, and so on.'
+
+  `What a curious plan!' exclaimed Alice.
+
+  `That's the reason they're called lessons,' the Gryphon
+remarked:  `because they lessen from day to day.'
+
+  This was quite a new idea to Alice, and she thought it over a
+little before she made her next remark.  `Then the eleventh day
+must have been a holiday?'
+
+  `Of course it was,' said the Mock Turtle.
+
+  `And how did you manage on the twelfth?' Alice went on eagerly.
+
+  `That's enough about lessons,' the Gryphon interrupted in a
+very decided tone:  `tell her something about the games now.'
+
+
+
+                            CHAPTER X
+
+                      The Lobster Quadrille
+
+
+  The Mock Turtle sighed deeply, and drew the back of one flapper
+across his eyes.  He looked at Alice, and tried to speak, but for
+a minute or two sobs choked his voice.  `Same as if he had a bone
+in his throat,' said the Gryphon:  and it set to work shaking him
+and punching him in the back.  At last the Mock Turtle recovered
+his voice, and, with tears running down his cheeks, he went on
+again:--
+
+  `You may not have lived much under the sea--' (`I haven't,'
+said Alice)--`and perhaps you were never even introduced to a lobster--'
+(Alice began to say `I once tasted--' but checked herself hastily,
+and said `No, never') `--so you can have no idea what a delightful
+thing a Lobster Quadrille is!'
+
+  `No, indeed,' said Alice.  `What sort of a dance is it?'
+
+  `Why,' said the Gryphon, `you first form into a line along the
+sea-shore--'
+
+  `Two lines!' cried the Mock Turtle.  `Seals, turtles, salmon,
+and so on; then, when you've cleared all the jelly-fish out of
+the way--'
+
+  `THAT generally takes some time,' interrupted the Gryphon.
+
+  `--you advance twice--'
+
+  `Each with a lobster as a partner!' cried the Gryphon.
+
+  `Of course,' the Mock Turtle said:  `advance twice, set to
+partners--'
+
+  `--change lobsters, and retire in same order,' continued the
+Gryphon.
+
+  `Then, you know,' the Mock Turtle went on, `you throw the--'
+
+  `The lobsters!' shouted the Gryphon, with a bound into the air.
+
+  `--as far out to sea as you can--'
+
+  `Swim after them!' screamed the Gryphon.
+
+  `Turn a somersault in the sea!' cried the Mock Turtle,
+capering wildly about.
+
+  `Back to land again, and that's all the first figure,' said the
+Mock Turtle, suddenly dropping his voice; and the two creatures,
+who had been jumping about like mad things all this time, sat
+down again very sadly and quietly, and looked at Alice.
+
+  `It must be a very pretty dance,' said Alice timidly.
+
+  `Would you like to see a little of it?' said the Mock Turtle.
+
+  `Very much indeed,' said Alice.
+
+  `Come, let's try the first figure!' said the Mock Turtle to the
+Gryphon.  `We can do without lobsters, you know.  Which shall
+sing?'
+
+  `Oh, YOU sing,' said the Gryphon.  `I've forgotten the words.'
+
+  So they began solemnly dancing round and round Alice, every now
+and then treading on her toes when they passed too close, and
+waving their forepaws to mark the time, while the Mock Turtle
+sang this, very slowly and sadly:--
+
+
+`"Will you walk a little faster?" said a whiting to a snail.
+"There's a porpoise close behind us, and he's treading on my
+ tail.
+See how eagerly the lobsters and the turtles all advance!
+They are waiting on the shingle--will you come and join the
+dance?
+
+Will you, won't you, will you, won't you, will you join the
+dance?
+Will you, won't you, will you, won't you, won't you join the
+dance?
+
+
+"You can really have no notion how delightful it will be
+When they take us up and throw us, with the lobsters, out to
+                                                      sea!"
+But the snail replied "Too far, too far!" and gave a look
+                                                       askance--
+Said he thanked the whiting kindly, but he would not join the
+   dance.
+    Would not, could not, would not, could not, would not join
+        the dance.
+    Would not, could not, would not, could not, could not join
+        the dance.
+
+`"What matters it how far we go?" his scaly friend replied.
+"There is another shore, you know, upon the other side.
+The further off from England the nearer is to France--
+Then turn not pale, beloved snail, but come and join the dance.
+
+    Will you, won't you, will you, won't you, will you join the
+         dance?
+    Will you, won't you, will you, won't you, won't you join the
+         dance?"'
+
+
+
+  `Thank you, it's a very interesting dance to watch,' said
+Alice, feeling very glad that it was over at last:  `and I do so
+like that curious song about the whiting!'
+
+  `Oh, as to the whiting,' said the Mock Turtle, `they--you've
+seen them, of course?'
+
+  `Yes,' said Alice, `I've often seen them at dinn--' she
+checked herself hastily.
+
+  `I don't know where Dinn may be,' said the Mock Turtle, `but
+if you've seen them so often, of course you know what they're
+like.'
+
+  `I believe so,' Alice replied thoughtfully.  `They have their
+tails in their mouths--and they're all over crumbs.'
+
+  `You're wrong about the crumbs,' said the Mock Turtle:
+`crumbs would all wash off in the sea.  But they HAVE their tails
+in their mouths; and the reason is--' here the Mock Turtle
+yawned and shut his eyes.--`Tell her about the reason and all
+that,' he said to the Gryphon.
+
+  `The reason is,' said the Gryphon, `that they WOULD go with
+the lobsters to the dance.  So they got thrown out to sea.  So
+they had to fall a long way.  So they got their tails fast in
+their mouths.  So they couldn't get them out again.  That's all.'
+
+  `Thank you,' said Alice, `it's very interesting.  I never knew
+so much about a whiting before.'
+
+  `I can tell you more than that, if you like,' said the
+Gryphon.  `Do you know why it's called a whiting?'
+
+  `I never thought about it,' said Alice.  `Why?'
+
+  `IT DOES THE BOOTS AND SHOES.' the Gryphon replied very
+solemnly.
+
+  Alice was thoroughly puzzled.  `Does the boots and shoes!' she
+repeated in a wondering tone.
+
+  `Why, what are YOUR shoes done with?' said the Gryphon.  `I
+mean, what makes them so shiny?'
+
+  Alice looked down at them, and considered a little before she
+gave her answer.  `They're done with blacking, I believe.'
+
+  `Boots and shoes under the sea,' the Gryphon went on in a deep
+voice, `are done with a whiting.  Now you know.'
+
+  `And what are they made of?' Alice asked in a tone of great
+curiosity.
+
+  `Soles and eels, of course,' the Gryphon replied rather
+impatiently:  `any shrimp could have told you that.'
+
+  `If I'd been the whiting,' said Alice, whose thoughts were
+still running on the song, `I'd have said to the porpoise, "Keep
+back, please:  we don't want YOU with us!"'
+
+  `They were obliged to have him with them,' the Mock Turtle
+said:  `no wise fish would go anywhere without a porpoise.'
+
+  `Wouldn't it really?' said Alice in a tone of great surprise.
+
+  `Of course not,' said the Mock Turtle:  `why, if a fish came
+to ME, and told me he was going a journey, I should say "With
+what porpoise?"'
+
+  `Don't you mean "purpose"?' said Alice.
+
+  `I mean what I say,' the Mock Turtle replied in an offended
+tone.  And the Gryphon added `Come, let's hear some of YOUR
+adventures.'
+
+  `I could tell you my adventures--beginning from this morning,'
+said Alice a little timidly:  `but it's no use going back to
+yesterday, because I was a different person then.'
+
+  `Explain all that,' said the Mock Turtle.
+
+  `No, no!  The adventures first,' said the Gryphon in an
+impatient tone:  `explanations take such a dreadful time.'
+
+  So Alice began telling them her adventures from the time when
+she first saw the White Rabbit.  She was a little nervous about
+it just at first, the two creatures got so close to her, one on
+each side, and opened their eyes and mouths so VERY wide, but she
+gained courage as she went on.  Her listeners were perfectly
+quiet till she got to the part about her repeating `YOU ARE OLD,
+FATHER WILLIAM,' to the Caterpillar, and the words all coming
+different, and then the Mock Turtle drew a long breath, and said
+`That's very curious.'
+
+  `It's all about as curious as it can be,' said the Gryphon.
+
+  `It all came different!' the Mock Turtle repeated
+thoughtfully.  `I should like to hear her try and repeat
+something now.  Tell her to begin.'  He looked at the Gryphon as
+if he thought it had some kind of authority over Alice.
+
+  `Stand up and repeat "'TIS THE VOICE OF THE SLUGGARD,"' said
+the Gryphon.
+
+  `How the creatures order one about, and make one repeat
+lessons!' thought Alice; `I might as well be at school at once.'
+However, she got up, and began to repeat it, but her head was so
+full of the Lobster Quadrille, that she hardly knew what she was
+saying, and the words came very queer indeed:--
+
+    `'Tis the voice of the Lobster; I heard him declare,
+    "You have baked me too brown, I must sugar my hair."
+    As a duck with its eyelids, so he with his nose
+    Trims his belt and his buttons, and turns out his toes.'
+
+              [later editions continued as follows
+    When the sands are all dry, he is gay as a lark,
+    And will talk in contemptuous tones of the Shark,
+    But, when the tide rises and sharks are around,
+    His voice has a timid and tremulous sound.]
+
+  `That's different from what I used to say when I was a child,'
+said the Gryphon.
+
+  `Well, I never heard it before,' said the Mock Turtle; `but it
+sounds uncommon nonsense.'
+
+  Alice said nothing; she had sat down with her face in her
+hands, wondering if anything would EVER happen in a natural way
+again.
+
+  `I should like to have it explained,' said the Mock Turtle.
+
+  `She can't explain it,' said the Gryphon hastily.  `Go on with
+the next verse.'
+
+  `But about his toes?' the Mock Turtle persisted.  `How COULD
+he turn them out with his nose, you know?'
+
+  `It's the first position in dancing.' Alice said; but was
+dreadfully puzzled by the whole thing, and longed to change the
+subject.
+
+  `Go on with the next verse,' the Gryphon repeated impatiently:
+`it begins "I passed by his garden."'
+
+  Alice did not dare to disobey, though she felt sure it would
+all come wrong, and she went on in a trembling voice:--
+
+    `I passed by his garden, and marked, with one eye,
+    How the Owl and the Panther were sharing a pie--'
+
+        [later editions continued as follows
+    The Panther took pie-crust, and gravy, and meat,
+    While the Owl had the dish as its share of the treat.
+    When the pie was all finished, the Owl, as a boon,
+    Was kindly permitted to pocket the spoon:
+    While the Panther received knife and fork with a growl,
+    And concluded the banquet--]
+
+  `What IS the use of repeating all that stuff,' the Mock Turtle
+interrupted, `if you don't explain it as you go on?  It's by far
+the most confusing thing I ever heard!'
+
+  `Yes, I think you'd better leave off,' said the Gryphon:  and
+Alice was only too glad to do so.
+
+  `Shall we try another figure of the Lobster Quadrille?' the
+Gryphon went on.  `Or would you like the Mock Turtle to sing you
+a song?'
+
+  `Oh, a song, please, if the Mock Turtle would be so kind,'
+Alice replied, so eagerly that the Gryphon said, in a rather
+offended tone, `Hm! No accounting for tastes!  Sing her "Turtle
+Soup," will you, old fellow?'
+
+  The Mock Turtle sighed deeply, and began, in a voice sometimes
+choked with sobs, to sing this:--
+
+
+    `Beautiful Soup, so rich and green,
+    Waiting in a hot tureen!
+    Who for such dainties would not stoop?
+    Soup of the evening, beautiful Soup!
+    Soup of the evening, beautiful Soup!
+        Beau--ootiful Soo--oop!
+        Beau--ootiful Soo--oop!
+    Soo--oop of the e--e--evening,
+        Beautiful, beautiful Soup!
+
+    `Beautiful Soup!  Who cares for fish,
+    Game, or any other dish?
+    Who would not give all else for two p
+    ennyworth only of beautiful Soup?
+    Pennyworth only of beautiful Soup?
+        Beau--ootiful Soo--oop!
+        Beau--ootiful Soo--oop!
+    Soo--oop of the e--e--evening,
+        Beautiful, beauti--FUL SOUP!'
+
+  `Chorus again!' cried the Gryphon, and the Mock Turtle had
+just begun to repeat it, when a cry of `The trial's beginning!'
+was heard in the distance.
+
+  `Come on!' cried the Gryphon, and, taking Alice by the hand,
+it hurried off, without waiting for the end of the song.
+
+  `What trial is it?' Alice panted as she ran; but the Gryphon
+only answered `Come on!' and ran the faster, while more and more
+faintly came, carried on the breeze that followed them, the
+melancholy words:--
+
+    `Soo--oop of the e--e--evening,
+        Beautiful, beautiful Soup!'
+
+
+
+                           CHAPTER XI
+
+                      Who Stole the Tarts?
+
+
+  The King and Queen of Hearts were seated on their throne when
+they arrived, with a great crowd assembled about them--all sorts
+of little birds and beasts, as well as the whole pack of cards:
+the Knave was standing before them, in chains, with a soldier on
+each side to guard him; and near the King was the White Rabbit,
+with a trumpet in one hand, and a scroll of parchment in the
+other.  In the very middle of the court was a table, with a large
+dish of tarts upon it:  they looked so good, that it made Alice
+quite hungry to look at them--`I wish they'd get the trial done,'
+she thought, `and hand round the refreshments!'  But there seemed
+to be no chance of this, so she began looking at everything about
+her, to pass away the time.
+
+  Alice had never been in a court of justice before, but she had
+read about them in books, and she was quite pleased to find that
+she knew the name of nearly everything there.  `That's the
+judge,' she said to herself, `because of his great wig.'
+
+  The judge, by the way, was the King; and as he wore his crown
+over the wig, (look at the frontispiece if you want to see how he
+did it,) he did not look at all comfortable, and it was certainly
+not becoming.
+
+  `And that's the jury-box,' thought Alice, `and those twelve
+creatures,' (she was obliged to say `creatures,' you see, because
+some of them were animals, and some were birds,) `I suppose they
+are the jurors.'  She said this last word two or three times over
+to herself, being rather proud of it:  for she thought, and
+rightly too, that very few little girls of her age knew the
+meaning of it at all.  However, `jury-men' would have done just
+as well.
+
+  The twelve jurors were all writing very busily on slates.
+`What are they doing?'  Alice whispered to the Gryphon.  `They
+can't have anything to put down yet, before the trial's begun.'
+
+  `They're putting down their names,' the Gryphon whispered in
+reply, `for fear they should forget them before the end of the
+trial.'
+
+  `Stupid things!' Alice began in a loud, indignant voice, but
+she stopped hastily, for the White Rabbit cried out, `Silence in
+the court!' and the King put on his spectacles and looked
+anxiously round, to make out who was talking.
+
+  Alice could see, as well as if she were looking over their
+shoulders, that all the jurors were writing down `stupid things!'
+on their slates, and she could even make out that one of them
+didn't know how to spell `stupid,' and that he had to ask his
+neighbour to tell him.  `A nice muddle their slates'll be in
+before the trial's over!' thought Alice.
+
+  One of the jurors had a pencil that squeaked.  This of course,
+Alice could not stand, and she went round the court and got
+behind him, and very soon found an opportunity of taking it
+away.  She did it so quickly that the poor little juror (it was
+Bill, the Lizard) could not make out at all what had become of
+it; so, after hunting all about for it, he was obliged to write
+with one finger for the rest of the day; and this was of very
+little use, as it left no mark on the slate.
+
+  `Herald, read the accusation!' said the King.
+
+  On this the White Rabbit blew three blasts on the trumpet, and
+then unrolled the parchment scroll, and read as follows:--
+
+    `The Queen of Hearts, she made some tarts,
+          All on a summer day:
+      The Knave of Hearts, he stole those tarts,
+          And took them quite away!'
+
+  `Consider your verdict,' the King said to the jury.
+
+  `Not yet, not yet!' the Rabbit hastily interrupted.  `There's
+a great deal to come before that!'
+
+  `Call the first witness,' said the King; and the White Rabbit
+blew three blasts on the trumpet, and called out, `First
+witness!'
+
+  The first witness was the Hatter.  He came in with a teacup in
+one hand and a piece of bread-and-butter in the other.  `I beg
+pardon, your Majesty,' he began, `for bringing these in:  but I
+hadn't quite finished my tea when I was sent for.'
+
+  `You ought to have finished,' said the King.  `When did you
+begin?'
+
+  The Hatter looked at the March Hare, who had followed him into
+the court, arm-in-arm with the Dormouse.  `Fourteenth of March, I
+think it was,' he said.
+
+  `Fifteenth,' said the March Hare.
+
+  `Sixteenth,' added the Dormouse.
+
+  `Write that down,' the King said to the jury, and the jury
+eagerly wrote down all three dates on their slates, and then
+added them up, and reduced the answer to shillings and pence.
+
+  `Take off your hat,' the King said to the Hatter.
+
+  `It isn't mine,' said the Hatter.
+
+  `Stolen!' the King exclaimed, turning to the jury, who
+instantly made a memorandum of the fact.
+
+  `I keep them to sell,' the Hatter added as an explanation;
+`I've none of my own.  I'm a hatter.'
+
+  Here the Queen put on her spectacles, and began staring at the
+Hatter, who turned pale and fidgeted.
+
+  `Give your evidence,' said the King; `and don't be nervous, or
+I'll have you executed on the spot.'
+
+  This did not seem to encourage the witness at all:  he kept
+shifting from one foot to the other, looking uneasily at the
+Queen, and in his confusion he bit a large piece out of his
+teacup instead of the bread-and-butter.
+
+  Just at this moment Alice felt a very curious sensation, which
+puzzled her a good deal until she made out what it was:  she was
+beginning to grow larger again, and she thought at first she
+would get up and leave the court; but on second thoughts she
+decided to remain where she was as long as there was room for
+her.
+
+  `I wish you wouldn't squeeze so.' said the Dormouse, who was
+sitting next to her.  `I can hardly breathe.'
+
+  `I can't help it,' said Alice very meekly:  `I'm growing.'
+
+  `You've no right to grow here,' said the Dormouse.
+
+  `Don't talk nonsense,' said Alice more boldly:  `you know
+you're growing too.'
+
+  `Yes, but I grow at a reasonable pace,' said the Dormouse:
+`not in that ridiculous fashion.'  And he got up very sulkily
+and crossed over to the other side of the court.
+
+  All this time the Queen had never left off staring at the
+Hatter, and, just as the Dormouse crossed the court, she said to
+one of the officers of the court, `Bring me the list of the
+singers in the last concert!' on which the wretched Hatter
+trembled so, that he shook both his shoes off.
+
+  `Give your evidence,' the King repeated angrily, `or I'll have
+you executed, whether you're nervous or not.'
+
+  `I'm a poor man, your Majesty,' the Hatter began, in a
+trembling voice, `--and I hadn't begun my tea--not above a week
+or so--and what with the bread-and-butter getting so thin--and
+the twinkling of the tea--'
+
+  `The twinkling of the what?' said the King.
+
+  `It began with the tea,' the Hatter replied.
+
+  `Of course twinkling begins with a T!' said the King sharply.
+`Do you take me for a dunce?  Go on!'
+
+  `I'm a poor man,' the Hatter went on, `and most things
+twinkled after that--only the March Hare said--'
+
+  `I didn't!' the March Hare interrupted in a great hurry.
+
+  `You did!' said the Hatter.
+
+  `I deny it!' said the March Hare.
+
+  `He denies it,' said the King:  `leave out that part.'
+
+  `Well, at any rate, the Dormouse said--' the Hatter went on,
+looking anxiously round to see if he would deny it too:  but the
+Dormouse denied nothing, being fast asleep.
+
+  `After that,' continued the Hatter, `I cut some more bread-
+and-butter--'
+
+  `But what did the Dormouse say?' one of the jury asked.
+
+  `That I can't remember,' said the Hatter.
+
+  `You MUST remember,' remarked the King, `or I'll have you
+executed.'
+
+  The miserable Hatter dropped his teacup and bread-and-butter,
+and went down on one knee.  `I'm a poor man, your Majesty,' he
+began.
+
+  `You're a very poor speaker,' said the King.
+
+  Here one of the guinea-pigs cheered, and was immediately
+suppressed by the officers of the court.  (As that is rather a
+hard word, I will just explain to you how it was done.  They had
+a large canvas bag, which tied up at the mouth with strings:
+into this they slipped the guinea-pig, head first, and then sat
+upon it.)
+
+  `I'm glad I've seen that done,' thought Alice.  `I've so often
+read in the newspapers, at the end of trials, "There was some
+attempts at applause, which was immediately suppressed by the
+officers of the court," and I never understood what it meant
+till now.'
+
+  `If that's all you know about it, you may stand down,'
+continued the King.
+
+  `I can't go no lower,' said the Hatter:  `I'm on the floor, as
+it is.'
+
+  `Then you may SIT down,' the King replied.
+
+  Here the other guinea-pig cheered, and was suppressed.
+
+  `Come, that finished the guinea-pigs!' thought Alice.  `Now we
+shall get on better.'
+
+  `I'd rather finish my tea,' said the Hatter, with an anxious
+look at the Queen, who was reading the list of singers.
+
+  `You may go,' said the King, and the Hatter hurriedly left the
+court, without even waiting to put his shoes on.
+
+  `--and just take his head off outside,' the Queen added to one
+of the officers:  but the Hatter was out of sight before the
+officer could get to the door.
+
+  `Call the next witness!' said the King.
+
+  The next witness was the Duchess's cook.  She carried the
+pepper-box in her hand, and Alice guessed who it was, even before
+she got into the court, by the way the people near the door began
+sneezing all at once.
+
+  `Give your evidence,' said the King.
+
+  `Shan't,' said the cook.
+
+  The King looked anxiously at the White Rabbit, who said in a
+low voice, `Your Majesty must cross-examine THIS witness.'
+
+  `Well, if I must, I must,' the King said, with a melancholy
+air, and, after folding his arms and frowning at the cook till
+his eyes were nearly out of sight, he said in a deep voice, `What
+are tarts made of?'
+
+  `Pepper, mostly,' said the cook.
+
+  `Treacle,' said a sleepy voice behind her.
+
+  `Collar that Dormouse,' the Queen shrieked out.  `Behead that
+Dormouse!  Turn that Dormouse out of court!  Suppress him!  Pinch
+him!  Off with his whiskers!'
+
+  For some minutes the whole court was in confusion, getting the
+Dormouse turned out, and, by the time they had settled down
+again, the cook had disappeared.
+
+  `Never mind!' said the King, with an air of great relief.
+`Call the next witness.'  And he added in an undertone to the
+Queen, `Really, my dear, YOU must cross-examine the next witness.
+It quite makes my forehead ache!'
+
+  Alice watched the White Rabbit as he fumbled over the list,
+feeling very curious to see what the next witness would be like,
+`--for they haven't got much evidence YET,' she said to herself.
+Imagine her surprise, when the White Rabbit read out, at the top
+of his shrill little voice, the name `Alice!'
+
+
+
+                           CHAPTER XII
+
+                        Alice's Evidence
+
+
+  `Here!' cried Alice, quite forgetting in the flurry of the
+moment how large she had grown in the last few minutes, and she
+jumped up in such a hurry that she tipped over the jury-box with
+the edge of her skirt, upsetting all the jurymen on to the heads
+of the crowd below, and there they lay sprawling about, reminding
+her very much of a globe of goldfish she had accidentally upset
+the week before.
+
+  `Oh, I BEG your pardon!' she exclaimed in a tone of great
+dismay, and began picking them up again as quickly as she could,
+for the accident of the goldfish kept running in her head, and
+she had a vague sort of idea that they must be collected at once
+and put back into the jury-box, or they would die.
+
+  `The trial cannot proceed,' said the King in a very grave
+voice, `until all the jurymen are back in their proper places--
+ALL,' he repeated with great emphasis, looking hard at Alice as
+he said do.
+
+  Alice looked at the jury-box, and saw that, in her haste, she
+had put the Lizard in head downwards, and the poor little thing
+was waving its tail about in a melancholy way, being quite unable
+to move.  She soon got it out again, and put it right; `not that
+it signifies much,' she said to herself; `I should think it
+would be QUITE as much use in the trial one way up as the other.'
+
+  As soon as the jury had a little recovered from the shock of
+being upset, and their slates and pencils had been found and
+handed back to them, they set to work very diligently to write
+out a history of the accident, all except the Lizard, who seemed
+too much overcome to do anything but sit with its mouth open,
+gazing up into the roof of the court.
+
+  `What do you know about this business?' the King said to
+Alice.
+
+  `Nothing,' said Alice.
+
+  `Nothing WHATEVER?' persisted the King.
+
+  `Nothing whatever,' said Alice.
+
+  `That's very important,' the King said, turning to the jury.
+They were just beginning to write this down on their slates, when
+the White Rabbit interrupted:  `UNimportant, your Majesty means,
+of course,' he said in a very respectful tone, but frowning and
+making faces at him as he spoke.
+
+  `UNimportant, of course, I meant,' the King hastily said, and
+went on to himself in an undertone, `important--unimportant--
+unimportant--important--' as if he were trying which word
+sounded best.
+
+  Some of the jury wrote it down `important,' and some
+`unimportant.'  Alice could see this, as she was near enough to
+look over their slates; `but it doesn't matter a bit,' she
+thought to herself.
+
+  At this moment the King, who had been for some time busily
+writing in his note-book, cackled out `Silence!' and read out
+from his book, `Rule Forty-two.  ALL PERSONS MORE THAN A MILE
+HIGH TO LEAVE THE COURT.'
+
+  Everybody looked at Alice.
+
+  `I'M not a mile high,' said Alice.
+
+  `You are,' said the King.
+
+  `Nearly two miles high,' added the Queen.
+
+  `Well, I shan't go, at any rate,' said Alice:  `besides,
+that's not a regular rule:  you invented it just now.'
+
+  `It's the oldest rule in the book,' said the King.
+
+  `Then it ought to be Number One,' said Alice.
+
+  The King turned pale, and shut his note-book hastily.
+`Consider your verdict,' he said to the jury, in a low, trembling
+voice.
+
+  `There's more evidence to come yet, please your Majesty,' said
+the White Rabbit, jumping up in a great hurry; `this paper has
+just been picked up.'
+
+  `What's in it?' said the Queen.
+
+  `I haven't opened it yet,' said the White Rabbit, `but it seems
+to be a letter, written by the prisoner to--to somebody.'
+
+  `It must have been that,' said the King, `unless it was
+written to nobody, which isn't usual, you know.'
+
+  `Who is it directed to?' said one of the jurymen.
+
+  `It isn't directed at all,' said the White Rabbit; `in fact,
+there's nothing written on the OUTSIDE.'  He unfolded the paper
+as he spoke, and added `It isn't a letter, after all:  it's a set
+of verses.'
+
+  `Are they in the prisoner's handwriting?' asked another of
+they jurymen.
+
+  `No, they're not,' said the White Rabbit, `and that's the
+queerest thing about it.'  (The jury all looked puzzled.)
+
+  `He must have imitated somebody else's hand,' said the King.
+(The jury all brightened up again.)
+
+  `Please your Majesty,' said the Knave, `I didn't write it, and
+they can't prove I did:  there's no name signed at the end.'
+
+  `If you didn't sign it,' said the King, `that only makes the
+matter worse.  You MUST have meant some mischief, or else you'd
+have signed your name like an honest man.'
+
+  There was a general clapping of hands at this:  it was the
+first really clever thing the King had said that day.
+
+  `That PROVES his guilt,' said the Queen.
+
+  `It proves nothing of the sort!' said Alice.  `Why, you don't
+even know what they're about!'
+
+  `Read them,' said the King.
+
+  The White Rabbit put on his spectacles.  `Where shall I begin,
+please your Majesty?' he asked.
+
+  `Begin at the beginning,' the King said gravely, `and go on
+till you come to the end:  then stop.'
+
+  These were the verses the White Rabbit read:--
+
+        `They told me you had been to her,
+          And mentioned me to him:
+        She gave me a good character,
+          But said I could not swim.
+
+        He sent them word I had not gone
+          (We know it to be true):
+        If she should push the matter on,
+          What would become of you?
+
+        I gave her one, they gave him two,
+          You gave us three or more;
+        They all returned from him to you,
+          Though they were mine before.
+
+        If I or she should chance to be
+          Involved in this affair,
+        He trusts to you to set them free,
+          Exactly as we were.
+
+        My notion was that you had been
+          (Before she had this fit)
+        An obstacle that came between
+          Him, and ourselves, and it.
+
+        Don't let him know she liked them best,
+          For this must ever be
+        A secret, kept from all the rest,
+          Between yourself and me.'
+
+  `That's the most important piece of evidence we've heard yet,'
+said the King, rubbing his hands; `so now let the jury--'
+
+  `If any one of them can explain it,' said Alice, (she had
+grown so large in the last few minutes that she wasn't a bit
+afraid of interrupting him,) `I'll give him sixpence.  _I_ don't
+believe there's an atom of meaning in it.'
+
+  The jury all wrote down on their slates, `SHE doesn't believe
+there's an atom of meaning in it,' but none of them attempted to
+explain the paper.
+
+  `If there's no meaning in it,' said the King, `that saves a
+world of trouble, you know, as we needn't try to find any.  And
+yet I don't know,' he went on, spreading out the verses on his
+knee, and looking at them with one eye; `I seem to see some
+meaning in them, after all.  "--SAID I COULD NOT SWIM--" you
+can't swim, can you?' he added, turning to the Knave.
+
+  The Knave shook his head sadly.  `Do I look like it?' he said.
+(Which he certainly did NOT, being made entirely of cardboard.)
+
+  `All right, so far,' said the King, and he went on muttering
+over the verses to himself:  `"WE KNOW IT TO BE TRUE--" that's
+the jury, of course-- "I GAVE HER ONE, THEY GAVE HIM TWO--" why,
+that must be what he did with the tarts, you know--'
+
+  `But, it goes on "THEY ALL RETURNED FROM HIM TO YOU,"' said
+Alice.
+
+  `Why, there they are!' said the King triumphantly, pointing to
+the tarts on the table.  `Nothing can be clearer than THAT.
+Then again--"BEFORE SHE HAD THIS FIT--"  you never had fits, my
+dear, I think?' he said to the Queen.
+
+  `Never!' said the Queen furiously, throwing an inkstand at the
+Lizard as she spoke.  (The unfortunate little Bill had left off
+writing on his slate with one finger, as he found it made no
+mark; but he now hastily began again, using the ink, that was
+trickling down his face, as long as it lasted.)
+
+  `Then the words don't FIT you,' said the King, looking round
+the court with a smile.  There was a dead silence.
+
+  `It's a pun!' the King added in an offended tone, and
+everybody laughed, `Let the jury consider their verdict,' the
+King said, for about the twentieth time that day.
+
+  `No, no!' said the Queen.  `Sentence first--verdict afterwards.'
+
+  `Stuff and nonsense!' said Alice loudly.  `The idea of having
+the sentence first!'
+
+  `Hold your tongue!' said the Queen, turning purple.
+
+  `I won't!' said Alice.
+
+  `Off with her head!' the Queen shouted at the top of her voice.
+Nobody moved.
+
+  `Who cares for you?' said Alice, (she had grown to her full
+size by this time.)  `You're nothing but a pack of cards!'
+
+  At this the whole pack rose up into the air, and came flying
+down upon her:  she gave a little scream, half of fright and half
+of anger, and tried to beat them off, and found herself lying on
+the bank, with her head in the lap of her sister, who was gently
+brushing away some dead leaves that had fluttered down from the
+trees upon her face.
+
+  `Wake up, Alice dear!' said her sister; `Why, what a long
+sleep you've had!'
+
+  `Oh, I've had such a curious dream!' said Alice, and she told
+her sister, as well as she could remember them, all these strange
+Adventures of hers that you have just been reading about; and
+when she had finished, her sister kissed her, and said, `It WAS a
+curious dream, dear, certainly:  but now run in to your tea; it's
+getting late.'  So Alice got up and ran off, thinking while she
+ran, as well she might, what a wonderful dream it had been.
+
+  But her sister sat still just as she left her, leaning her
+head on her hand, watching the setting sun, and thinking of
+little Alice and all her wonderful Adventures, till she too began
+dreaming after a fashion, and this was her dream:--
+
+  First, she dreamed of little Alice herself, and once again the
+tiny hands were clasped upon her knee, and the bright eager eyes
+were looking up into hers--she could hear the very tones of her
+voice, and see that queer little toss of her head to keep back
+the wandering hair that WOULD always get into her eyes--and
+still as she listened, or seemed to listen, the whole place
+around her became alive the strange creatures of her little
+sister's dream.
+
+  The long grass rustled at her feet as the White Rabbit hurried
+by--the frightened Mouse splashed his way through the
+neighbouring pool--she could hear the rattle of the teacups as
+the March Hare and his friends shared their never-ending meal,
+and the shrill voice of the Queen ordering off her unfortunate
+guests to execution--once more the pig-baby was sneezing on the
+Duchess's knee, while plates and dishes crashed around it--once
+more the shriek of the Gryphon, the squeaking of the Lizard's
+slate-pencil, and the choking of the suppressed guinea-pigs,
+filled the air, mixed up with the distant sobs of the miserable
+Mock Turtle.
+
+  So she sat on, with closed eyes, and half believed herself in
+Wonderland, though she knew she had but to open them again, and
+all would change to dull reality--the grass would be only
+rustling in the wind, and the pool rippling to the waving of the
+reeds--the rattling teacups would change to tinkling sheep-
+bells, and the Queen's shrill cries to the voice of the shepherd
+boy--and the sneeze of the baby, the shriek of the Gryphon, and
+all thy other queer noises, would change (she knew) to the
+confused clamour of the busy farm-yard--while the lowing of the
+cattle in the distance would take the place of the Mock Turtle's
+heavy sobs.
+
+  Lastly, she pictured to herself how this same little sister of
+hers would, in the after-time, be herself a grown woman; and how
+she would keep, through all her riper years, the simple and
+loving heart of her childhood:  and how she would gather about
+her other little children, and make THEIR eyes bright and eager
+with many a strange tale, perhaps even with the dream of
+Wonderland of long ago:  and how she would feel with all their
+simple sorrows, and find a pleasure in all their simple joys,
+remembering her own child-life, and the happy summer days.
+
+                             THE END
+
\ No newline at end of file
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/asyoulik.txt b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/asyoulik.txt
new file mode 100644
index 0000000..ed5e409
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/asyoulik.txt
@@ -0,0 +1,4122 @@
+	AS YOU LIKE IT
+
+
+	DRAMATIS PERSONAE
+
+
+DUKE SENIOR	living in banishment.
+
+DUKE FREDERICK	his brother, an usurper of his dominions.
+
+
+AMIENS	|
+	|  lords attending on the banished duke.
+JAQUES	|
+
+
+LE BEAU	a courtier attending upon Frederick.
+
+CHARLES	wrestler to Frederick.
+
+
+OLIVER		|
+		|
+JAQUES (JAQUES DE BOYS:)  	|  sons of Sir Rowland de Boys.
+		|
+ORLANDO		|
+
+
+ADAM	|
+	|  servants to Oliver.
+DENNIS	|
+
+
+TOUCHSTONE	a clown.
+
+SIR OLIVER MARTEXT	a vicar.
+
+
+CORIN	|
+	|  shepherds.
+SILVIUS	|
+
+
+WILLIAM	a country fellow in love with Audrey.
+
+	A person representing HYMEN. (HYMEN:)
+
+ROSALIND	daughter to the banished duke.
+
+CELIA	daughter to Frederick.
+
+PHEBE	a shepherdess.
+
+AUDREY	a country wench.
+
+	Lords, pages, and attendants, &c.
+	(Forester:)
+	(A Lord:)
+	(First Lord:)
+	(Second Lord:)
+	(First Page:)
+	(Second Page:)
+
+
+SCENE	Oliver's house; Duke Frederick's court; and the
+	Forest of Arden.
+
+
+
+
+	AS YOU LIKE IT
+
+
+ACT I
+
+
+
+SCENE I	Orchard of Oliver's house.
+
+
+	[Enter ORLANDO and ADAM]
+
+ORLANDO	As I remember, Adam, it was upon this fashion
+	bequeathed me by will but poor a thousand crowns,
+	and, as thou sayest, charged my brother, on his
+	blessing, to breed me well: and there begins my
+	sadness. My brother Jaques he keeps at school, and
+	report speaks goldenly of his profit: for my part,
+	he keeps me rustically at home, or, to speak more
+	properly, stays me here at home unkept; for call you
+	that keeping for a gentleman of my birth, that
+	differs not from the stalling of an ox? His horses
+	are bred better; for, besides that they are fair
+	with their feeding, they are taught their manage,
+	and to that end riders dearly hired: but I, his
+	brother, gain nothing under him but growth; for the
+	which his animals on his dunghills are as much
+	bound to him as I. Besides this nothing that he so
+	plentifully gives me, the something that nature gave
+	me his countenance seems to take from me: he lets
+	me feed with his hinds, bars me the place of a
+	brother, and, as much as in him lies, mines my
+	gentility with my education. This is it, Adam, that
+	grieves me; and the spirit of my father, which I
+	think is within me, begins to mutiny against this
+	servitude: I will no longer endure it, though yet I
+	know no wise remedy how to avoid it.
+
+ADAM	Yonder comes my master, your brother.
+
+ORLANDO	Go apart, Adam, and thou shalt hear how he will
+	shake me up.
+
+	[Enter OLIVER]
+
+OLIVER	Now, sir! what make you here?
+
+ORLANDO	Nothing: I am not taught to make any thing.
+
+OLIVER	What mar you then, sir?
+
+ORLANDO	Marry, sir, I am helping you to mar that which God
+	made, a poor unworthy brother of yours, with idleness.
+
+OLIVER	Marry, sir, be better employed, and be naught awhile.
+
+ORLANDO	Shall I keep your hogs and eat husks with them?
+	What prodigal portion have I spent, that I should
+	come to such penury?
+
+OLIVER	Know you where your are, sir?
+
+ORLANDO	O, sir, very well; here in your orchard.
+
+OLIVER	Know you before whom, sir?
+
+ORLANDO	Ay, better than him I am before knows me. I know
+	you are my eldest brother; and, in the gentle
+	condition of blood, you should so know me. The
+	courtesy of nations allows you my better, in that
+	you are the first-born; but the same tradition
+	takes not away my blood, were there twenty brothers
+	betwixt us: I have as much of my father in me as
+	you; albeit, I confess, your coming before me is
+	nearer to his reverence.
+
+OLIVER	What, boy!
+
+ORLANDO	Come, come, elder brother, you are too young in this.
+
+OLIVER	Wilt thou lay hands on me, villain?
+
+ORLANDO	I am no villain; I am the youngest son of Sir
+	Rowland de Boys; he was my father, and he is thrice
+	a villain that says such a father begot villains.
+	Wert thou not my brother, I would not take this hand
+	from thy throat till this other had pulled out thy
+	tongue for saying so: thou hast railed on thyself.
+
+ADAM	Sweet masters, be patient: for your father's
+	remembrance, be at accord.
+
+OLIVER	Let me go, I say.
+
+ORLANDO	I will not, till I please: you shall hear me. My
+	father charged you in his will to give me good
+	education: you have trained me like a peasant,
+	obscuring and hiding from me all gentleman-like
+	qualities. The spirit of my father grows strong in
+	me, and I will no longer endure it: therefore allow
+	me such exercises as may become a gentleman, or
+	give me the poor allottery my father left me by
+	testament; with that I will go buy my fortunes.
+
+OLIVER	And what wilt thou do? beg, when that is spent?
+	Well, sir, get you in: I will not long be troubled
+	with you; you shall have some part of your will: I
+	pray you, leave me.
+
+ORLANDO	I will no further offend you than becomes me for my good.
+
+OLIVER	Get you with him, you old dog.
+
+ADAM	Is 'old dog' my reward? Most true, I have lost my
+	teeth in your service. God be with my old master!
+	he would not have spoke such a word.
+
+	[Exeunt ORLANDO and ADAM]
+
+OLIVER	Is it even so? begin you to grow upon me? I will
+	physic your rankness, and yet give no thousand
+	crowns neither. Holla, Dennis!
+
+	[Enter DENNIS]
+
+DENNIS	Calls your worship?
+
+OLIVER	Was not Charles, the duke's wrestler, here to speak with me?
+
+DENNIS	So please you, he is here at the door and importunes
+	access to you.
+
+OLIVER	Call him in.
+
+	[Exit DENNIS]
+
+	'Twill be a good way; and to-morrow the wrestling is.
+
+	[Enter CHARLES]
+
+CHARLES	Good morrow to your worship.
+
+OLIVER	Good Monsieur Charles, what's the new news at the
+	new court?
+
+CHARLES	There's no news at the court, sir, but the old news:
+	that is, the old duke is banished by his younger
+	brother the new duke; and three or four loving lords
+	have put themselves into voluntary exile with him,
+	whose lands and revenues enrich the new duke;
+	therefore he gives them good leave to wander.
+
+OLIVER	Can you tell if Rosalind, the duke's daughter, be
+	banished with her father?
+
+CHARLES	O, no; for the duke's daughter, her cousin, so loves
+	her, being ever from their cradles bred together,
+	that she would have followed her exile, or have died
+	to stay behind her. She is at the court, and no
+	less beloved of her uncle than his own daughter; and
+	never two ladies loved as they do.
+
+OLIVER	Where will the old duke live?
+
+CHARLES	They say he is already in the forest of Arden, and
+	a many merry men with him; and there they live like
+	the old Robin Hood of England: they say many young
+	gentlemen flock to him every day, and fleet the time
+	carelessly, as they did in the golden world.
+
+OLIVER	What, you wrestle to-morrow before the new duke?
+
+CHARLES	Marry, do I, sir; and I came to acquaint you with a
+	matter. I am given, sir, secretly to understand
+	that your younger brother Orlando hath a disposition
+	to come in disguised against me to try a fall.
+	To-morrow, sir, I wrestle for my credit; and he that
+	escapes me without some broken limb shall acquit him
+	well. Your brother is but young and tender; and,
+	for your love, I would be loath to foil him, as I
+	must, for my own honour, if he come in: therefore,
+	out of my love to you, I came hither to acquaint you
+	withal, that either you might stay him from his
+	intendment or brook such disgrace well as he shall
+	run into, in that it is a thing of his own search
+	and altogether against my will.
+
+OLIVER	Charles, I thank thee for thy love to me, which
+	thou shalt find I will most kindly requite. I had
+	myself notice of my brother's purpose herein and
+	have by underhand means laboured to dissuade him from
+	it, but he is resolute. I'll tell thee, Charles:
+	it is the stubbornest young fellow of France, full
+	of ambition, an envious emulator of every man's
+	good parts, a secret and villanous contriver against
+	me his natural brother: therefore use thy
+	discretion; I had as lief thou didst break his neck
+	as his finger. And thou wert best look to't; for if
+	thou dost him any slight disgrace or if he do not
+	mightily grace himself on thee, he will practise
+	against thee by poison, entrap thee by some
+	treacherous device and never leave thee till he
+	hath ta'en thy life by some indirect means or other;
+	for, I assure thee, and almost with tears I speak
+	it, there is not one so young and so villanous this
+	day living. I speak but brotherly of him; but
+	should I anatomize him to thee as he is, I must
+	blush and weep and thou must look pale and wonder.
+
+CHARLES	I am heartily glad I came hither to you. If he come
+	to-morrow, I'll give him his payment: if ever he go
+	alone again, I'll never wrestle for prize more: and
+	so God keep your worship!
+
+OLIVER	Farewell, good Charles.
+
+	[Exit CHARLES]
+
+	Now will I stir this gamester: I hope I shall see
+	an end of him; for my soul, yet I know not why,
+	hates nothing more than he. Yet he's gentle, never
+	schooled and yet learned, full of noble device, of
+	all sorts enchantingly beloved, and indeed so much
+	in the heart of the world, and especially of my own
+	people, who best know him, that I am altogether
+	misprised: but it shall not be so long; this
+	wrestler shall clear all: nothing remains but that
+	I kindle the boy thither; which now I'll go about.
+
+	[Exit]
+
+
+
+
+	AS YOU LIKE IT
+
+
+ACT I
+
+
+
+SCENE II	Lawn before the Duke's palace.
+
+
+	[Enter CELIA and ROSALIND]
+
+CELIA	I pray thee, Rosalind, sweet my coz, be merry.
+
+ROSALIND	Dear Celia, I show more mirth than I am mistress of;
+	and would you yet I were merrier? Unless you could
+	teach me to forget a banished father, you must not
+	learn me how to remember any extraordinary pleasure.
+
+CELIA	Herein I see thou lovest me not with the full weight
+	that I love thee. If my uncle, thy banished father,
+	had banished thy uncle, the duke my father, so thou
+	hadst been still with me, I could have taught my
+	love to take thy father for mine: so wouldst thou,
+	if the truth of thy love to me were so righteously
+	tempered as mine is to thee.
+
+ROSALIND	Well, I will forget the condition of my estate, to
+	rejoice in yours.
+
+CELIA	You know my father hath no child but I, nor none is
+	like to have: and, truly, when he dies, thou shalt
+	be his heir, for what he hath taken away from thy
+	father perforce, I will render thee again in
+	affection; by mine honour, I will; and when I break
+	that oath, let me turn monster: therefore, my
+	sweet Rose, my dear Rose, be merry.
+
+ROSALIND	From henceforth I will, coz, and devise sports. Let
+	me see; what think you of falling in love?
+
+CELIA	Marry, I prithee, do, to make sport withal: but
+	love no man in good earnest; nor no further in sport
+	neither than with safety of a pure blush thou mayst
+	in honour come off again.
+
+ROSALIND	What shall be our sport, then?
+
+CELIA	Let us sit and mock the good housewife Fortune from
+	her wheel, that her gifts may henceforth be bestowed equally.
+
+ROSALIND	I would we could do so, for her benefits are
+	mightily misplaced, and the bountiful blind woman
+	doth most mistake in her gifts to women.
+
+CELIA	'Tis true; for those that she makes fair she scarce
+	makes honest, and those that she makes honest she
+	makes very ill-favouredly.
+
+ROSALIND	Nay, now thou goest from Fortune's office to
+	Nature's: Fortune reigns in gifts of the world,
+	not in the lineaments of Nature.
+
+	[Enter TOUCHSTONE]
+
+CELIA	No? when Nature hath made a fair creature, may she
+	not by Fortune fall into the fire? Though Nature
+	hath given us wit to flout at Fortune, hath not
+	Fortune sent in this fool to cut off the argument?
+
+ROSALIND	Indeed, there is Fortune too hard for Nature, when
+	Fortune makes Nature's natural the cutter-off of
+	Nature's wit.
+
+CELIA	Peradventure this is not Fortune's work neither, but
+	Nature's; who perceiveth our natural wits too dull
+	to reason of such goddesses and hath sent this
+	natural for our whetstone; for always the dulness of
+	the fool is the whetstone of the wits. How now,
+	wit! whither wander you?
+
+TOUCHSTONE	Mistress, you must come away to your father.
+
+CELIA	Were you made the messenger?
+
+TOUCHSTONE	No, by mine honour, but I was bid to come for you.
+
+ROSALIND	Where learned you that oath, fool?
+
+TOUCHSTONE	Of a certain knight that swore by his honour they
+	were good pancakes and swore by his honour the
+	mustard was naught: now I'll stand to it, the
+	pancakes were naught and the mustard was good, and
+	yet was not the knight forsworn.
+
+CELIA	How prove you that, in the great heap of your
+	knowledge?
+
+ROSALIND	Ay, marry, now unmuzzle your wisdom.
+
+TOUCHSTONE	Stand you both forth now: stroke your chins, and
+	swear by your beards that I am a knave.
+
+CELIA	By our beards, if we had them, thou art.
+
+TOUCHSTONE	By my knavery, if I had it, then I were; but if you
+	swear by that that is not, you are not forsworn: no
+	more was this knight swearing by his honour, for he
+	never had any; or if he had, he had sworn it away
+	before ever he saw those pancakes or that mustard.
+
+CELIA	Prithee, who is't that thou meanest?
+
+TOUCHSTONE	One that old Frederick, your father, loves.
+
+CELIA	My father's love is enough to honour him: enough!
+	speak no more of him; you'll be whipped for taxation
+	one of these days.
+
+TOUCHSTONE	The more pity, that fools may not speak wisely what
+	wise men do foolishly.
+
+CELIA	By my troth, thou sayest true; for since the little
+	wit that fools have was silenced, the little foolery
+	that wise men have makes a great show. Here comes
+	Monsieur Le Beau.
+
+ROSALIND	With his mouth full of news.
+
+CELIA	Which he will put on us, as pigeons feed their young.
+
+ROSALIND	Then shall we be news-crammed.
+
+CELIA	All the better; we shall be the more marketable.
+
+	[Enter LE BEAU]
+
+	Bon jour, Monsieur Le Beau: what's the news?
+
+LE BEAU	Fair princess, you have lost much good sport.
+
+CELIA	Sport! of what colour?
+
+LE BEAU	What colour, madam! how shall I answer you?
+
+ROSALIND	As wit and fortune will.
+
+TOUCHSTONE	Or as the Destinies decree.
+
+CELIA	Well said: that was laid on with a trowel.
+
+TOUCHSTONE	Nay, if I keep not my rank,--
+
+ROSALIND	Thou losest thy old smell.
+
+LE BEAU	You amaze me, ladies: I would have told you of good
+	wrestling, which you have lost the sight of.
+
+ROSALIND	You tell us the manner of the wrestling.
+
+LE BEAU	I will tell you the beginning; and, if it please
+	your ladyships, you may see the end; for the best is
+	yet to do; and here, where you are, they are coming
+	to perform it.
+
+CELIA	Well, the beginning, that is dead and buried.
+
+LE BEAU	There comes an old man and his three sons,--
+
+CELIA	I could match this beginning with an old tale.
+
+LE BEAU	Three proper young men, of excellent growth and presence.
+
+ROSALIND	With bills on their necks, 'Be it known unto all men
+	by these presents.'
+
+LE BEAU	The eldest of the three wrestled with Charles, the
+	duke's wrestler; which Charles in a moment threw him
+	and broke three of his ribs, that there is little
+	hope of life in him: so he served the second, and
+	so the third. Yonder they lie; the poor old man,
+	their father, making such pitiful dole over them
+	that all the beholders take his part with weeping.
+
+ROSALIND	Alas!
+
+TOUCHSTONE	But what is the sport, monsieur, that the ladies
+	have lost?
+
+LE BEAU	Why, this that I speak of.
+
+TOUCHSTONE	Thus men may grow wiser every day: it is the first
+	time that ever I heard breaking of ribs was sport
+	for ladies.
+
+CELIA	Or I, I promise thee.
+
+ROSALIND	But is there any else longs to see this broken music
+	in his sides? is there yet another dotes upon
+	rib-breaking? Shall we see this wrestling, cousin?
+
+LE BEAU	You must, if you stay here; for here is the place
+	appointed for the wrestling, and they are ready to
+	perform it.
+
+CELIA	Yonder, sure, they are coming: let us now stay and see it.
+
+	[Flourish. Enter DUKE FREDERICK, Lords, ORLANDO,
+	CHARLES, and Attendants]
+
+DUKE FREDERICK	Come on: since the youth will not be entreated, his
+	own peril on his forwardness.
+
+ROSALIND	Is yonder the man?
+
+LE BEAU	Even he, madam.
+
+CELIA	Alas, he is too young! yet he looks successfully.
+
+DUKE FREDERICK	How now, daughter and cousin! are you crept hither
+	to see the wrestling?
+
+ROSALIND	Ay, my liege, so please you give us leave.
+
+DUKE FREDERICK	You will take little delight in it, I can tell you;
+	there is such odds in the man. In pity of the
+	challenger's youth I would fain dissuade him, but he
+	will not be entreated. Speak to him, ladies; see if
+	you can move him.
+
+CELIA	Call him hither, good Monsieur Le Beau.
+
+DUKE FREDERICK	Do so: I'll not be by.
+
+LE BEAU	Monsieur the challenger, the princesses call for you.
+
+ORLANDO	I attend them with all respect and duty.
+
+ROSALIND	Young man, have you challenged Charles the wrestler?
+
+ORLANDO	No, fair princess; he is the general challenger: I
+	come but in, as others do, to try with him the
+	strength of my youth.
+
+CELIA	Young gentleman, your spirits are too bold for your
+	years. You have seen cruel proof of this man's
+	strength: if you saw yourself with your eyes or
+	knew yourself with your judgment, the fear of your
+	adventure would counsel you to a more equal
+	enterprise. We pray you, for your own sake, to
+	embrace your own safety and give over this attempt.
+
+ROSALIND	Do, young sir; your reputation shall not therefore
+	be misprised: we will make it our suit to the duke
+	that the wrestling might not go forward.
+
+ORLANDO	I beseech you, punish me not with your hard
+	thoughts; wherein I confess me much guilty, to deny
+	so fair and excellent ladies any thing. But let
+	your fair eyes and gentle wishes go with me to my
+	trial: wherein if I be foiled, there is but one
+	shamed that was never gracious; if killed, but one
+	dead that was willing to be so: I shall do my
+	friends no wrong, for I have none to lament me, the
+	world no injury, for in it I have nothing; only in
+	the world I fill up a place, which may be better
+	supplied when I have made it empty.
+
+ROSALIND	The little strength that I have, I would it were with you.
+
+CELIA	And mine, to eke out hers.
+
+ROSALIND	Fare you well: pray heaven I be deceived in you!
+
+CELIA	Your heart's desires be with you!
+
+CHARLES	Come, where is this young gallant that is so
+	desirous to lie with his mother earth?
+
+ORLANDO	Ready, sir; but his will hath in it a more modest working.
+
+DUKE FREDERICK	You shall try but one fall.
+
+CHARLES	No, I warrant your grace, you shall not entreat him
+	to a second, that have so mightily persuaded him
+	from a first.
+
+ORLANDO	An you mean to mock me after, you should not have
+	mocked me before: but come your ways.
+
+ROSALIND	Now Hercules be thy speed, young man!
+
+CELIA	I would I were invisible, to catch the strong
+	fellow by the leg.
+
+	[They wrestle]
+
+ROSALIND	O excellent young man!
+
+CELIA	If I had a thunderbolt in mine eye, I can tell who
+	should down.
+
+	[Shout. CHARLES is thrown]
+
+DUKE FREDERICK	No more, no more.
+
+ORLANDO	Yes, I beseech your grace: I am not yet well breathed.
+
+DUKE FREDERICK	How dost thou, Charles?
+
+LE BEAU	He cannot speak, my lord.
+
+DUKE FREDERICK	Bear him away. What is thy name, young man?
+
+ORLANDO	Orlando, my liege; the youngest son of Sir Rowland de Boys.
+
+DUKE FREDERICK	I would thou hadst been son to some man else:
+	The world esteem'd thy father honourable,
+	But I did find him still mine enemy:
+	Thou shouldst have better pleased me with this deed,
+	Hadst thou descended from another house.
+	But fare thee well; thou art a gallant youth:
+	I would thou hadst told me of another father.
+
+	[Exeunt DUKE FREDERICK, train, and LE BEAU]
+
+CELIA	Were I my father, coz, would I do this?
+
+ORLANDO	I am more proud to be Sir Rowland's son,
+	His youngest son; and would not change that calling,
+	To be adopted heir to Frederick.
+
+ROSALIND	My father loved Sir Rowland as his soul,
+	And all the world was of my father's mind:
+	Had I before known this young man his son,
+	I should have given him tears unto entreaties,
+	Ere he should thus have ventured.
+
+CELIA	Gentle cousin,
+	Let us go thank him and encourage him:
+	My father's rough and envious disposition
+	Sticks me at heart. Sir, you have well deserved:
+	If you do keep your promises in love
+	But justly, as you have exceeded all promise,
+	Your mistress shall be happy.
+
+ROSALIND	Gentleman,
+
+	[Giving him a chain from her neck]
+
+	Wear this for me, one out of suits with fortune,
+	That could give more, but that her hand lacks means.
+	Shall we go, coz?
+
+CELIA	                  Ay. Fare you well, fair gentleman.
+
+ORLANDO	Can I not say, I thank you? My better parts
+	Are all thrown down, and that which here stands up
+	Is but a quintain, a mere lifeless block.
+
+ROSALIND	He calls us back: my pride fell with my fortunes;
+	I'll ask him what he would. Did you call, sir?
+	Sir, you have wrestled well and overthrown
+	More than your enemies.
+
+CELIA	Will you go, coz?
+
+ROSALIND	Have with you. Fare you well.
+
+	[Exeunt ROSALIND and CELIA]
+
+ORLANDO	What passion hangs these weights upon my tongue?
+	I cannot speak to her, yet she urged conference.
+	O poor Orlando, thou art overthrown!
+	Or Charles or something weaker masters thee.
+
+	[Re-enter LE BEAU]
+
+LE BEAU	Good sir, I do in friendship counsel you
+	To leave this place. Albeit you have deserved
+	High commendation, true applause and love,
+	Yet such is now the duke's condition
+	That he misconstrues all that you have done.
+	The duke is humorous; what he is indeed,
+	More suits you to conceive than I to speak of.
+
+ORLANDO	I thank you, sir: and, pray you, tell me this:
+	Which of the two was daughter of the duke
+	That here was at the wrestling?
+
+LE BEAU	Neither his daughter, if we judge by manners;
+	But yet indeed the lesser is his daughter
+	The other is daughter to the banish'd duke,
+	And here detain'd by her usurping uncle,
+	To keep his daughter company; whose loves
+	Are dearer than the natural bond of sisters.
+	But I can tell you that of late this duke
+	Hath ta'en displeasure 'gainst his gentle niece,
+	Grounded upon no other argument
+	But that the people praise her for her virtues
+	And pity her for her good father's sake;
+	And, on my life, his malice 'gainst the lady
+	Will suddenly break forth. Sir, fare you well:
+	Hereafter, in a better world than this,
+	I shall desire more love and knowledge of you.
+
+ORLANDO	I rest much bounden to you: fare you well.
+
+	[Exit LE BEAU]
+
+	Thus must I from the smoke into the smother;
+	From tyrant duke unto a tyrant brother:
+	But heavenly Rosalind!
+
+	[Exit]
+
+
+
+
+	AS YOU LIKE IT
+
+
+ACT I
+
+
+
+SCENE III	A room in the palace.
+
+
+	[Enter CELIA and ROSALIND]
+
+CELIA	Why, cousin! why, Rosalind! Cupid have mercy! not a word?
+
+ROSALIND	Not one to throw at a dog.
+
+CELIA	No, thy words are too precious to be cast away upon
+	curs; throw some of them at me; come, lame me with reasons.
+
+ROSALIND	Then there were two cousins laid up; when the one
+	should be lamed with reasons and the other mad
+	without any.
+
+CELIA	But is all this for your father?
+
+ROSALIND	No, some of it is for my child's father. O, how
+	full of briers is this working-day world!
+
+CELIA	They are but burs, cousin, thrown upon thee in
+	holiday foolery: if we walk not in the trodden
+	paths our very petticoats will catch them.
+
+ROSALIND	I could shake them off my coat: these burs are in my heart.
+
+CELIA	Hem them away.
+
+ROSALIND	I would try, if I could cry 'hem' and have him.
+
+CELIA	Come, come, wrestle with thy affections.
+
+ROSALIND	O, they take the part of a better wrestler than myself!
+
+CELIA	O, a good wish upon you! you will try in time, in
+	despite of a fall. But, turning these jests out of
+	service, let us talk in good earnest: is it
+	possible, on such a sudden, you should fall into so
+	strong a liking with old Sir Rowland's youngest son?
+
+ROSALIND	The duke my father loved his father dearly.
+
+CELIA	Doth it therefore ensue that you should love his son
+	dearly? By this kind of chase, I should hate him,
+	for my father hated his father dearly; yet I hate
+	not Orlando.
+
+ROSALIND	No, faith, hate him not, for my sake.
+
+CELIA	Why should I not? doth he not deserve well?
+
+ROSALIND	Let me love him for that, and do you love him
+	because I do. Look, here comes the duke.
+
+CELIA	With his eyes full of anger.
+
+	[Enter DUKE FREDERICK, with Lords]
+
+DUKE FREDERICK	Mistress, dispatch you with your safest haste
+	And get you from our court.
+
+ROSALIND	Me, uncle?
+
+DUKE FREDERICK	You, cousin
+	Within these ten days if that thou be'st found
+	So near our public court as twenty miles,
+	Thou diest for it.
+
+ROSALIND	                  I do beseech your grace,
+	Let me the knowledge of my fault bear with me:
+	If with myself I hold intelligence
+	Or have acquaintance with mine own desires,
+	If that I do not dream or be not frantic,--
+	As I do trust I am not--then, dear uncle,
+	Never so much as in a thought unborn
+	Did I offend your highness.
+
+DUKE FREDERICK	Thus do all traitors:
+	If their purgation did consist in words,
+	They are as innocent as grace itself:
+	Let it suffice thee that I trust thee not.
+
+ROSALIND	Yet your mistrust cannot make me a traitor:
+	Tell me whereon the likelihood depends.
+
+DUKE FREDERICK	Thou art thy father's daughter; there's enough.
+
+ROSALIND	So was I when your highness took his dukedom;
+	So was I when your highness banish'd him:
+	Treason is not inherited, my lord;
+	Or, if we did derive it from our friends,
+	What's that to me? my father was no traitor:
+	Then, good my liege, mistake me not so much
+	To think my poverty is treacherous.
+
+CELIA	Dear sovereign, hear me speak.
+
+DUKE FREDERICK	Ay, Celia; we stay'd her for your sake,
+	Else had she with her father ranged along.
+
+CELIA	I did not then entreat to have her stay;
+	It was your pleasure and your own remorse:
+	I was too young that time to value her;
+	But now I know her: if she be a traitor,
+	Why so am I; we still have slept together,
+	Rose at an instant, learn'd, play'd, eat together,
+	And wheresoever we went, like Juno's swans,
+	Still we went coupled and inseparable.
+
+DUKE FREDERICK	She is too subtle for thee; and her smoothness,
+	Her very silence and her patience
+	Speak to the people, and they pity her.
+	Thou art a fool: she robs thee of thy name;
+	And thou wilt show more bright and seem more virtuous
+	When she is gone. Then open not thy lips:
+	Firm and irrevocable is my doom
+	Which I have pass'd upon her; she is banish'd.
+
+CELIA	Pronounce that sentence then on me, my liege:
+	I cannot live out of her company.
+
+DUKE FREDERICK	You are a fool. You, niece, provide yourself:
+	If you outstay the time, upon mine honour,
+	And in the greatness of my word, you die.
+
+	[Exeunt DUKE FREDERICK and Lords]
+
+CELIA	O my poor Rosalind, whither wilt thou go?
+	Wilt thou change fathers? I will give thee mine.
+	I charge thee, be not thou more grieved than I am.
+
+ROSALIND	I have more cause.
+
+CELIA	                  Thou hast not, cousin;
+	Prithee be cheerful: know'st thou not, the duke
+	Hath banish'd me, his daughter?
+
+ROSALIND	That he hath not.
+
+CELIA	No, hath not? Rosalind lacks then the love
+	Which teacheth thee that thou and I am one:
+	Shall we be sunder'd? shall we part, sweet girl?
+	No: let my father seek another heir.
+	Therefore devise with me how we may fly,
+	Whither to go and what to bear with us;
+	And do not seek to take your change upon you,
+	To bear your griefs yourself and leave me out;
+	For, by this heaven, now at our sorrows pale,
+	Say what thou canst, I'll go along with thee.
+
+ROSALIND	Why, whither shall we go?
+
+CELIA	To seek my uncle in the forest of Arden.
+
+ROSALIND	Alas, what danger will it be to us,
+	Maids as we are, to travel forth so far!
+	Beauty provoketh thieves sooner than gold.
+
+CELIA	I'll put myself in poor and mean attire
+	And with a kind of umber smirch my face;
+	The like do you: so shall we pass along
+	And never stir assailants.
+
+ROSALIND	Were it not better,
+	Because that I am more than common tall,
+	That I did suit me all points like a man?
+	A gallant curtle-axe upon my thigh,
+	A boar-spear in my hand; and--in my heart
+	Lie there what hidden woman's fear there will--
+	We'll have a swashing and a martial outside,
+	As many other mannish cowards have
+	That do outface it with their semblances.
+
+CELIA	What shall I call thee when thou art a man?
+
+ROSALIND	I'll have no worse a name than Jove's own page;
+	And therefore look you call me Ganymede.
+	But what will you be call'd?
+
+CELIA	Something that hath a reference to my state
+	No longer Celia, but Aliena.
+
+ROSALIND	But, cousin, what if we assay'd to steal
+	The clownish fool out of your father's court?
+	Would he not be a comfort to our travel?
+
+CELIA	He'll go along o'er the wide world with me;
+	Leave me alone to woo him. Let's away,
+	And get our jewels and our wealth together,
+	Devise the fittest time and safest way
+	To hide us from pursuit that will be made
+	After my flight. Now go we in content
+	To liberty and not to banishment.
+
+	[Exeunt]
+
+
+
+
+	AS YOU LIKE IT
+
+
+ACT II
+
+
+
+SCENE I	The Forest of Arden.
+
+
+	[Enter DUKE SENIOR, AMIENS, and two or three Lords,
+	like foresters]
+
+DUKE SENIOR	Now, my co-mates and brothers in exile,
+	Hath not old custom made this life more sweet
+	Than that of painted pomp? Are not these woods
+	More free from peril than the envious court?
+	Here feel we but the penalty of Adam,
+	The seasons' difference, as the icy fang
+	And churlish chiding of the winter's wind,
+	Which, when it bites and blows upon my body,
+	Even till I shrink with cold, I smile and say
+	'This is no flattery: these are counsellors
+	That feelingly persuade me what I am.'
+	Sweet are the uses of adversity,
+	Which, like the toad, ugly and venomous,
+	Wears yet a precious jewel in his head;
+	And this our life exempt from public haunt
+	Finds tongues in trees, books in the running brooks,
+	Sermons in stones and good in every thing.
+	I would not change it.
+
+AMIENS	Happy is your grace,
+	That can translate the stubbornness of fortune
+	Into so quiet and so sweet a style.
+
+DUKE SENIOR	Come, shall we go and kill us venison?
+	And yet it irks me the poor dappled fools,
+	Being native burghers of this desert city,
+	Should in their own confines with forked heads
+	Have their round haunches gored.
+
+First Lord	Indeed, my lord,
+	The melancholy Jaques grieves at that,
+	And, in that kind, swears you do more usurp
+	Than doth your brother that hath banish'd you.
+	To-day my Lord of Amiens and myself
+	Did steal behind him as he lay along
+	Under an oak whose antique root peeps out
+	Upon the brook that brawls along this wood:
+	To the which place a poor sequester'd stag,
+	That from the hunter's aim had ta'en a hurt,
+	Did come to languish, and indeed, my lord,
+	The wretched animal heaved forth such groans
+	That their discharge did stretch his leathern coat
+	Almost to bursting, and the big round tears
+	Coursed one another down his innocent nose
+	In piteous chase; and thus the hairy fool
+	Much marked of the melancholy Jaques,
+	Stood on the extremest verge of the swift brook,
+	Augmenting it with tears.
+
+DUKE SENIOR	But what said Jaques?
+	Did he not moralize this spectacle?
+
+First Lord	O, yes, into a thousand similes.
+	First, for his weeping into the needless stream;
+	'Poor deer,' quoth he, 'thou makest a testament
+	As worldlings do, giving thy sum of more
+	To that which had too much:' then, being there alone,
+	Left and abandon'd of his velvet friends,
+	''Tis right:' quoth he; 'thus misery doth part
+	The flux of company:' anon a careless herd,
+	Full of the pasture, jumps along by him
+	And never stays to greet him; 'Ay' quoth Jaques,
+	'Sweep on, you fat and greasy citizens;
+	'Tis just the fashion: wherefore do you look
+	Upon that poor and broken bankrupt there?'
+	Thus most invectively he pierceth through
+	The body of the country, city, court,
+	Yea, and of this our life, swearing that we
+	Are mere usurpers, tyrants and what's worse,
+	To fright the animals and to kill them up
+	In their assign'd and native dwelling-place.
+
+DUKE SENIOR	And did you leave him in this contemplation?
+
+Second Lord	We did, my lord, weeping and commenting
+	Upon the sobbing deer.
+
+DUKE SENIOR	Show me the place:
+	I love to cope him in these sullen fits,
+	For then he's full of matter.
+
+First Lord	I'll bring you to him straight.
+
+	[Exeunt]
+
+
+
+
+	AS YOU LIKE IT
+
+
+ACT II
+
+
+
+SCENE II	A room in the palace.
+
+
+	[Enter DUKE FREDERICK, with Lords]
+
+DUKE FREDERICK	Can it be possible that no man saw them?
+	It cannot be: some villains of my court
+	Are of consent and sufferance in this.
+
+First Lord	I cannot hear of any that did see her.
+	The ladies, her attendants of her chamber,
+	Saw her abed, and in the morning early
+	They found the bed untreasured of their mistress.
+
+Second Lord	My lord, the roynish clown, at whom so oft
+	Your grace was wont to laugh, is also missing.
+	Hisperia, the princess' gentlewoman,
+	Confesses that she secretly o'erheard
+	Your daughter and her cousin much commend
+	The parts and graces of the wrestler
+	That did but lately foil the sinewy Charles;
+	And she believes, wherever they are gone,
+	That youth is surely in their company.
+
+DUKE FREDERICK	Send to his brother; fetch that gallant hither;
+	If he be absent, bring his brother to me;
+	I'll make him find him: do this suddenly,
+	And let not search and inquisition quail
+	To bring again these foolish runaways.
+
+	[Exeunt]
+
+
+
+
+	AS YOU LIKE IT
+
+
+ACT II
+
+
+
+SCENE III	Before OLIVER'S house.
+
+
+	[Enter ORLANDO and ADAM, meeting]
+
+ORLANDO	Who's there?
+
+ADAM	What, my young master? O, my gentle master!
+	O my sweet master! O you memory
+	Of old Sir Rowland! why, what make you here?
+	Why are you virtuous? why do people love you?
+	And wherefore are you gentle, strong and valiant?
+	Why would you be so fond to overcome
+	The bonny priser of the humorous duke?
+	Your praise is come too swiftly home before you.
+	Know you not, master, to some kind of men
+	Their graces serve them but as enemies?
+	No more do yours: your virtues, gentle master,
+	Are sanctified and holy traitors to you.
+	O, what a world is this, when what is comely
+	Envenoms him that bears it!
+
+ORLANDO	Why, what's the matter?
+
+ADAM	O unhappy youth!
+	Come not within these doors; within this roof
+	The enemy of all your graces lives:
+	Your brother--no, no brother; yet the son--
+	Yet not the son, I will not call him son
+	Of him I was about to call his father--
+	Hath heard your praises, and this night he means
+	To burn the lodging where you use to lie
+	And you within it: if he fail of that,
+	He will have other means to cut you off.
+	I overheard him and his practises.
+	This is no place; this house is but a butchery:
+	Abhor it, fear it, do not enter it.
+
+ORLANDO	Why, whither, Adam, wouldst thou have me go?
+
+ADAM	No matter whither, so you come not here.
+
+ORLANDO	What, wouldst thou have me go and beg my food?
+	Or with a base and boisterous sword enforce
+	A thievish living on the common road?
+	This I must do, or know not what to do:
+	Yet this I will not do, do how I can;
+	I rather will subject me to the malice
+	Of a diverted blood and bloody brother.
+
+ADAM	But do not so. I have five hundred crowns,
+	The thrifty hire I saved under your father,
+	Which I did store to be my foster-nurse
+	When service should in my old limbs lie lame
+	And unregarded age in corners thrown:
+	Take that, and He that doth the ravens feed,
+	Yea, providently caters for the sparrow,
+	Be comfort to my age! Here is the gold;
+	And all this I give you. Let me be your servant:
+	Though I look old, yet I am strong and lusty;
+	For in my youth I never did apply
+	Hot and rebellious liquors in my blood,
+	Nor did not with unbashful forehead woo
+	The means of weakness and debility;
+	Therefore my age is as a lusty winter,
+	Frosty, but kindly: let me go with you;
+	I'll do the service of a younger man
+	In all your business and necessities.
+
+ORLANDO	O good old man, how well in thee appears
+	The constant service of the antique world,
+	When service sweat for duty, not for meed!
+	Thou art not for the fashion of these times,
+	Where none will sweat but for promotion,
+	And having that, do choke their service up
+	Even with the having: it is not so with thee.
+	But, poor old man, thou prunest a rotten tree,
+	That cannot so much as a blossom yield
+	In lieu of all thy pains and husbandry
+	But come thy ways; well go along together,
+	And ere we have thy youthful wages spent,
+	We'll light upon some settled low content.
+
+ADAM	Master, go on, and I will follow thee,
+	To the last gasp, with truth and loyalty.
+	From seventeen years till now almost fourscore
+	Here lived I, but now live here no more.
+	At seventeen years many their fortunes seek;
+	But at fourscore it is too late a week:
+	Yet fortune cannot recompense me better
+	Than to die well and not my master's debtor.
+
+	[Exeunt]
+
+
+
+
+	AS YOU LIKE IT
+
+
+ACT II
+
+
+
+SCENE IV	The Forest of Arden.
+
+
+	[Enter ROSALIND for Ganymede, CELIA for Aliena,
+	and TOUCHSTONE]
+
+ROSALIND	O Jupiter, how weary are my spirits!
+
+TOUCHSTONE	I care not for my spirits, if my legs were not weary.
+
+ROSALIND	I could find in my heart to disgrace my man's
+	apparel and to cry like a woman; but I must comfort
+	the weaker vessel, as doublet and hose ought to show
+	itself courageous to petticoat: therefore courage,
+	good Aliena!
+
+CELIA	I pray you, bear with me; I cannot go no further.
+
+TOUCHSTONE	For my part, I had rather bear with you than bear
+	you; yet I should bear no cross if I did bear you,
+	for I think you have no money in your purse.
+
+ROSALIND	Well, this is the forest of Arden.
+
+TOUCHSTONE	Ay, now am I in Arden; the more fool I; when I was
+	at home, I was in a better place: but travellers
+	must be content.
+
+ROSALIND	Ay, be so, good Touchstone.
+
+	[Enter CORIN and SILVIUS]
+
+	Look you, who comes here; a young man and an old in
+	solemn talk.
+
+CORIN	That is the way to make her scorn you still.
+
+SILVIUS	O Corin, that thou knew'st how I do love her!
+
+CORIN	I partly guess; for I have loved ere now.
+
+SILVIUS	No, Corin, being old, thou canst not guess,
+	Though in thy youth thou wast as true a lover
+	As ever sigh'd upon a midnight pillow:
+	But if thy love were ever like to mine--
+	As sure I think did never man love so--
+	How many actions most ridiculous
+	Hast thou been drawn to by thy fantasy?
+
+CORIN	Into a thousand that I have forgotten.
+
+SILVIUS	O, thou didst then ne'er love so heartily!
+	If thou remember'st not the slightest folly
+	That ever love did make thee run into,
+	Thou hast not loved:
+	Or if thou hast not sat as I do now,
+	Wearying thy hearer in thy mistress' praise,
+	Thou hast not loved:
+	Or if thou hast not broke from company
+	Abruptly, as my passion now makes me,
+	Thou hast not loved.
+	O Phebe, Phebe, Phebe!
+
+	[Exit]
+
+ROSALIND	Alas, poor shepherd! searching of thy wound,
+	I have by hard adventure found mine own.
+
+TOUCHSTONE	And I mine. I remember, when I was in love I broke
+	my sword upon a stone and bid him take that for
+	coming a-night to Jane Smile; and I remember the
+	kissing of her batlet and the cow's dugs that her
+	pretty chopt hands had milked; and I remember the
+	wooing of a peascod instead of her, from whom I took
+	two cods and, giving her them again, said with
+	weeping tears 'Wear these for my sake.' We that are
+	true lovers run into strange capers; but as all is
+	mortal in nature, so is all nature in love mortal in folly.
+
+ROSALIND	Thou speakest wiser than thou art ware of.
+
+TOUCHSTONE	Nay, I shall ne'er be ware of mine own wit till I
+	break my shins against it.
+
+ROSALIND	Jove, Jove! this shepherd's passion
+	Is much upon my fashion.
+
+TOUCHSTONE	And mine; but it grows something stale with me.
+
+CELIA	I pray you, one of you question yond man
+	If he for gold will give us any food:
+	I faint almost to death.
+
+TOUCHSTONE	Holla, you clown!
+
+ROSALIND	Peace, fool: he's not thy kinsman.
+
+CORIN	Who calls?
+
+TOUCHSTONE	Your betters, sir.
+
+CORIN	                  Else are they very wretched.
+
+ROSALIND	Peace, I say. Good even to you, friend.
+
+CORIN	And to you, gentle sir, and to you all.
+
+ROSALIND	I prithee, shepherd, if that love or gold
+	Can in this desert place buy entertainment,
+	Bring us where we may rest ourselves and feed:
+	Here's a young maid with travel much oppress'd
+	And faints for succor.
+
+CORIN	Fair sir, I pity her
+	And wish, for her sake more than for mine own,
+	My fortunes were more able to relieve her;
+	But I am shepherd to another man
+	And do not shear the fleeces that I graze:
+	My master is of churlish disposition
+	And little recks to find the way to heaven
+	By doing deeds of hospitality:
+	Besides, his cote, his flocks and bounds of feed
+	Are now on sale, and at our sheepcote now,
+	By reason of his absence, there is nothing
+	That you will feed on; but what is, come see.
+	And in my voice most welcome shall you be.
+
+ROSALIND	What is he that shall buy his flock and pasture?
+
+CORIN	That young swain that you saw here but erewhile,
+	That little cares for buying any thing.
+
+ROSALIND	I pray thee, if it stand with honesty,
+	Buy thou the cottage, pasture and the flock,
+	And thou shalt have to pay for it of us.
+
+CELIA	And we will mend thy wages. I like this place.
+	And willingly could waste my time in it.
+
+CORIN	Assuredly the thing is to be sold:
+	Go with me: if you like upon report
+	The soil, the profit and this kind of life,
+	I will your very faithful feeder be
+	And buy it with your gold right suddenly.
+
+	[Exeunt]
+
+
+
+
+	AS YOU LIKE IT
+
+
+ACT II
+
+
+
+SCENE V	The Forest.
+
+
+	[Enter AMIENS, JAQUES, and others]
+
+	SONG.
+AMIENS	Under the greenwood tree
+	Who loves to lie with me,
+	And turn his merry note
+	Unto the sweet bird's throat,
+	Come hither, come hither, come hither:
+	Here shall he see No enemy
+	But winter and rough weather.
+
+JAQUES	More, more, I prithee, more.
+
+AMIENS	It will make you melancholy, Monsieur Jaques.
+
+JAQUES	I thank it. More, I prithee, more. I can suck
+	melancholy out of a song, as a weasel sucks eggs.
+	More, I prithee, more.
+
+AMIENS	My voice is ragged: I know I cannot please you.
+
+JAQUES	I do not desire you to please me; I do desire you to
+	sing. Come, more; another stanzo: call you 'em stanzos?
+
+AMIENS	What you will, Monsieur Jaques.
+
+JAQUES	Nay, I care not for their names; they owe me
+	nothing. Will you sing?
+
+AMIENS	More at your request than to please myself.
+
+JAQUES	Well then, if ever I thank any man, I'll thank you;
+	but that they call compliment is like the encounter
+	of two dog-apes, and when a man thanks me heartily,
+	methinks I have given him a penny and he renders me
+	the beggarly thanks. Come, sing; and you that will
+	not, hold your tongues.
+
+AMIENS	Well, I'll end the song. Sirs, cover the while; the
+	duke will drink under this tree. He hath been all
+	this day to look you.
+
+JAQUES	And I have been all this day to avoid him. He is
+	too disputable for my company: I think of as many
+	matters as he, but I give heaven thanks and make no
+	boast of them. Come, warble, come.
+
+	SONG.
+	Who doth ambition shun
+
+	[All together here]
+
+	And loves to live i' the sun,
+	Seeking the food he eats
+	And pleased with what he gets,
+	Come hither, come hither, come hither:
+	Here shall he see No enemy
+	But winter and rough weather.
+
+JAQUES	I'll give you a verse to this note that I made
+	yesterday in despite of my invention.
+
+AMIENS	And I'll sing it.
+
+JAQUES	Thus it goes:--
+
+	If it do come to pass
+	That any man turn ass,
+	Leaving his wealth and ease,
+	A stubborn will to please,
+	Ducdame, ducdame, ducdame:
+	Here shall he see
+	Gross fools as he,
+	An if he will come to me.
+
+AMIENS	What's that 'ducdame'?
+
+JAQUES	'Tis a Greek invocation, to call fools into a
+	circle. I'll go sleep, if I can; if I cannot, I'll
+	rail against all the first-born of Egypt.
+
+AMIENS	And I'll go seek the duke: his banquet is prepared.
+
+	[Exeunt severally]
+
+
+
+
+	AS YOU LIKE IT
+
+
+ACT II
+
+
+
+SCENE VI	The forest.
+
+
+	[Enter ORLANDO and ADAM]
+
+ADAM	Dear master, I can go no further. O, I die for food!
+	Here lie I down, and measure out my grave. Farewell,
+	kind master.
+
+ORLANDO	Why, how now, Adam! no greater heart in thee? Live
+	a little; comfort a little; cheer thyself a little.
+	If this uncouth forest yield any thing savage, I
+	will either be food for it or bring it for food to
+	thee. Thy conceit is nearer death than thy powers.
+	For my sake be comfortable; hold death awhile at
+	the arm's end: I will here be with thee presently;
+	and if I bring thee not something to eat, I will
+	give thee leave to die: but if thou diest before I
+	come, thou art a mocker of my labour. Well said!
+	thou lookest cheerly, and I'll be with thee quickly.
+	Yet thou liest in the bleak air: come, I will bear
+	thee to some shelter; and thou shalt not die for
+	lack of a dinner, if there live any thing in this
+	desert. Cheerly, good Adam!
+
+	[Exeunt]
+
+
+
+
+	AS YOU LIKE IT
+
+
+ACT II
+
+
+
+SCENE VII	The forest.
+
+
+	[A table set out. Enter DUKE SENIOR, AMIENS, and
+	Lords like outlaws]
+
+DUKE SENIOR	I think he be transform'd into a beast;
+	For I can no where find him like a man.
+
+First Lord	My lord, he is but even now gone hence:
+	Here was he merry, hearing of a song.
+
+DUKE SENIOR	If he, compact of jars, grow musical,
+	We shall have shortly discord in the spheres.
+	Go, seek him: tell him I would speak with him.
+
+	[Enter JAQUES]
+
+First Lord	He saves my labour by his own approach.
+
+DUKE SENIOR	Why, how now, monsieur! what a life is this,
+	That your poor friends must woo your company?
+	What, you look merrily!
+
+JAQUES	A fool, a fool! I met a fool i' the forest,
+	A motley fool; a miserable world!
+	As I do live by food, I met a fool
+	Who laid him down and bask'd him in the sun,
+	And rail'd on Lady Fortune in good terms,
+	In good set terms and yet a motley fool.
+	'Good morrow, fool,' quoth I. 'No, sir,' quoth he,
+	'Call me not fool till heaven hath sent me fortune:'
+	And then he drew a dial from his poke,
+	And, looking on it with lack-lustre eye,
+	Says very wisely, 'It is ten o'clock:
+	Thus we may see,' quoth he, 'how the world wags:
+	'Tis but an hour ago since it was nine,
+	And after one hour more 'twill be eleven;
+	And so, from hour to hour, we ripe and ripe,
+	And then, from hour to hour, we rot and rot;
+	And thereby hangs a tale.' When I did hear
+	The motley fool thus moral on the time,
+	My lungs began to crow like chanticleer,
+	That fools should be so deep-contemplative,
+	And I did laugh sans intermission
+	An hour by his dial. O noble fool!
+	A worthy fool! Motley's the only wear.
+
+DUKE SENIOR	What fool is this?
+
+JAQUES	O worthy fool! One that hath been a courtier,
+	And says, if ladies be but young and fair,
+	They have the gift to know it: and in his brain,
+	Which is as dry as the remainder biscuit
+	After a voyage, he hath strange places cramm'd
+	With observation, the which he vents
+	In mangled forms. O that I were a fool!
+	I am ambitious for a motley coat.
+
+DUKE SENIOR	Thou shalt have one.
+
+JAQUES	It is my only suit;
+	Provided that you weed your better judgments
+	Of all opinion that grows rank in them
+	That I am wise. I must have liberty
+	Withal, as large a charter as the wind,
+	To blow on whom I please; for so fools have;
+	And they that are most galled with my folly,
+	They most must laugh. And why, sir, must they so?
+	The 'why' is plain as way to parish church:
+	He that a fool doth very wisely hit
+	Doth very foolishly, although he smart,
+	Not to seem senseless of the bob: if not,
+	The wise man's folly is anatomized
+	Even by the squandering glances of the fool.
+	Invest me in my motley; give me leave
+	To speak my mind, and I will through and through
+	Cleanse the foul body of the infected world,
+	If they will patiently receive my medicine.
+
+DUKE SENIOR	Fie on thee! I can tell what thou wouldst do.
+
+JAQUES	What, for a counter, would I do but good?
+
+DUKE SENIOR	Most mischievous foul sin, in chiding sin:
+	For thou thyself hast been a libertine,
+	As sensual as the brutish sting itself;
+	And all the embossed sores and headed evils,
+	That thou with licence of free foot hast caught,
+	Wouldst thou disgorge into the general world.
+
+JAQUES	Why, who cries out on pride,
+	That can therein tax any private party?
+	Doth it not flow as hugely as the sea,
+	Till that the weary very means do ebb?
+	What woman in the city do I name,
+	When that I say the city-woman bears
+	The cost of princes on unworthy shoulders?
+	Who can come in and say that I mean her,
+	When such a one as she such is her neighbour?
+	Or what is he of basest function
+	That says his bravery is not of my cost,
+	Thinking that I mean him, but therein suits
+	His folly to the mettle of my speech?
+	There then; how then? what then? Let me see wherein
+	My tongue hath wrong'd him: if it do him right,
+	Then he hath wrong'd himself; if he be free,
+	Why then my taxing like a wild-goose flies,
+	Unclaim'd of any man. But who comes here?
+
+	[Enter ORLANDO, with his sword drawn]
+
+ORLANDO	Forbear, and eat no more.
+
+JAQUES	Why, I have eat none yet.
+
+ORLANDO	Nor shalt not, till necessity be served.
+
+JAQUES	Of what kind should this cock come of?
+
+DUKE SENIOR	Art thou thus bolden'd, man, by thy distress,
+	Or else a rude despiser of good manners,
+	That in civility thou seem'st so empty?
+
+ORLANDO	You touch'd my vein at first: the thorny point
+	Of bare distress hath ta'en from me the show
+	Of smooth civility: yet am I inland bred
+	And know some nurture. But forbear, I say:
+	He dies that touches any of this fruit
+	Till I and my affairs are answered.
+
+JAQUES	An you will not be answered with reason, I must die.
+
+DUKE SENIOR	What would you have? Your gentleness shall force
+	More than your force move us to gentleness.
+
+ORLANDO	I almost die for food; and let me have it.
+
+DUKE SENIOR	Sit down and feed, and welcome to our table.
+
+ORLANDO	Speak you so gently? Pardon me, I pray you:
+	I thought that all things had been savage here;
+	And therefore put I on the countenance
+	Of stern commandment. But whate'er you are
+	That in this desert inaccessible,
+	Under the shade of melancholy boughs,
+	Lose and neglect the creeping hours of time
+	If ever you have look'd on better days,
+	If ever been where bells have knoll'd to church,
+	If ever sat at any good man's feast,
+	If ever from your eyelids wiped a tear
+	And know what 'tis to pity and be pitied,
+	Let gentleness my strong enforcement be:
+	In the which hope I blush, and hide my sword.
+
+DUKE SENIOR	True is it that we have seen better days,
+	And have with holy bell been knoll'd to church
+	And sat at good men's feasts and wiped our eyes
+	Of drops that sacred pity hath engender'd:
+	And therefore sit you down in gentleness
+	And take upon command what help we have
+	That to your wanting may be minister'd.
+
+ORLANDO	Then but forbear your food a little while,
+	Whiles, like a doe, I go to find my fawn
+	And give it food. There is an old poor man,
+	Who after me hath many a weary step
+	Limp'd in pure love: till he be first sufficed,
+	Oppress'd with two weak evils, age and hunger,
+	I will not touch a bit.
+
+DUKE SENIOR	Go find him out,
+	And we will nothing waste till you return.
+
+ORLANDO	I thank ye; and be blest for your good comfort!
+
+	[Exit]
+
+DUKE SENIOR	Thou seest we are not all alone unhappy:
+	This wide and universal theatre
+	Presents more woeful pageants than the scene
+	Wherein we play in.
+
+JAQUES	All the world's a stage,
+	And all the men and women merely players:
+	They have their exits and their entrances;
+	And one man in his time plays many parts,
+	His acts being seven ages. At first the infant,
+	Mewling and puking in the nurse's arms.
+	And then the whining school-boy, with his satchel
+	And shining morning face, creeping like snail
+	Unwillingly to school. And then the lover,
+	Sighing like furnace, with a woeful ballad
+	Made to his mistress' eyebrow. Then a soldier,
+	Full of strange oaths and bearded like the pard,
+	Jealous in honour, sudden and quick in quarrel,
+	Seeking the bubble reputation
+	Even in the cannon's mouth. And then the justice,
+	In fair round belly with good capon lined,
+	With eyes severe and beard of formal cut,
+	Full of wise saws and modern instances;
+	And so he plays his part. The sixth age shifts
+	Into the lean and slipper'd pantaloon,
+	With spectacles on nose and pouch on side,
+	His youthful hose, well saved, a world too wide
+	For his shrunk shank; and his big manly voice,
+	Turning again toward childish treble, pipes
+	And whistles in his sound. Last scene of all,
+	That ends this strange eventful history,
+	Is second childishness and mere oblivion,
+	Sans teeth, sans eyes, sans taste, sans everything.
+
+	[Re-enter ORLANDO, with ADAM]
+
+DUKE SENIOR	Welcome. Set down your venerable burthen,
+	And let him feed.
+
+ORLANDO	I thank you most for him.
+
+ADAM	So had you need:
+	I scarce can speak to thank you for myself.
+
+DUKE SENIOR	Welcome; fall to: I will not trouble you
+	As yet, to question you about your fortunes.
+	Give us some music; and, good cousin, sing.
+
+	SONG.
+AMIENS	Blow, blow, thou winter wind.
+	Thou art not so unkind
+	As man's ingratitude;
+	Thy tooth is not so keen,
+	Because thou art not seen,
+	Although thy breath be rude.
+	Heigh-ho! sing, heigh-ho! unto the green holly:
+	Most friendship is feigning, most loving mere folly:
+	Then, heigh-ho, the holly!
+	This life is most jolly.
+	Freeze, freeze, thou bitter sky,
+	That dost not bite so nigh
+	As benefits forgot:
+	Though thou the waters warp,
+	Thy sting is not so sharp
+	As friend remember'd not.
+	Heigh-ho! sing, &c.
+
+DUKE SENIOR	If that you were the good Sir Rowland's son,
+	As you have whisper'd faithfully you were,
+	And as mine eye doth his effigies witness
+	Most truly limn'd and living in your face,
+	Be truly welcome hither: I am the duke
+	That loved your father: the residue of your fortune,
+	Go to my cave and tell me. Good old man,
+	Thou art right welcome as thy master is.
+	Support him by the arm. Give me your hand,
+	And let me all your fortunes understand.
+
+	[Exeunt]
+
+
+
+
+	AS YOU LIKE IT
+
+
+ACT III
+
+
+
+SCENE I	A room in the palace.
+
+
+	[Enter DUKE FREDERICK, Lords, and OLIVER]
+
+DUKE FREDERICK	Not see him since? Sir, sir, that cannot be:
+	But were I not the better part made mercy,
+	I should not seek an absent argument
+	Of my revenge, thou present. But look to it:
+	Find out thy brother, wheresoe'er he is;
+	Seek him with candle; bring him dead or living
+	Within this twelvemonth, or turn thou no more
+	To seek a living in our territory.
+	Thy lands and all things that thou dost call thine
+	Worth seizure do we seize into our hands,
+	Till thou canst quit thee by thy brothers mouth
+	Of what we think against thee.
+
+OLIVER	O that your highness knew my heart in this!
+	I never loved my brother in my life.
+
+DUKE FREDERICK	More villain thou. Well, push him out of doors;
+	And let my officers of such a nature
+	Make an extent upon his house and lands:
+	Do this expediently and turn him going.
+
+	[Exeunt]
+
+
+
+
+	AS YOU LIKE IT
+
+
+ACT III
+
+
+
+SCENE II	The forest.
+
+
+	[Enter ORLANDO, with a paper]
+
+ORLANDO	Hang there, my verse, in witness of my love:
+	And thou, thrice-crowned queen of night, survey
+	With thy chaste eye, from thy pale sphere above,
+	Thy huntress' name that my full life doth sway.
+	O Rosalind! these trees shall be my books
+	And in their barks my thoughts I'll character;
+	That every eye which in this forest looks
+	Shall see thy virtue witness'd every where.
+	Run, run, Orlando; carve on every tree
+	The fair, the chaste and unexpressive she.
+
+	[Exit]
+
+	[Enter CORIN and TOUCHSTONE]
+
+CORIN	And how like you this shepherd's life, Master Touchstone?
+
+TOUCHSTONE	Truly, shepherd, in respect of itself, it is a good
+	life, but in respect that it is a shepherd's life,
+	it is naught. In respect that it is solitary, I
+	like it very well; but in respect that it is
+	private, it is a very vile life. Now, in respect it
+	is in the fields, it pleaseth me well; but in
+	respect it is not in the court, it is tedious. As
+	is it a spare life, look you, it fits my humour well;
+	but as there is no more plenty in it, it goes much
+	against my stomach. Hast any philosophy in thee, shepherd?
+
+CORIN	No more but that I know the more one sickens the
+	worse at ease he is; and that he that wants money,
+	means and content is without three good friends;
+	that the property of rain is to wet and fire to
+	burn; that good pasture makes fat sheep, and that a
+	great cause of the night is lack of the sun; that
+	he that hath learned no wit by nature nor art may
+	complain of good breeding or comes of a very dull kindred.
+
+TOUCHSTONE	Such a one is a natural philosopher. Wast ever in
+	court, shepherd?
+
+CORIN	No, truly.
+
+TOUCHSTONE	Then thou art damned.
+
+CORIN	Nay, I hope.
+
+TOUCHSTONE	Truly, thou art damned like an ill-roasted egg, all
+	on one side.
+
+CORIN	For not being at court? Your reason.
+
+TOUCHSTONE	Why, if thou never wast at court, thou never sawest
+	good manners; if thou never sawest good manners,
+	then thy manners must be wicked; and wickedness is
+	sin, and sin is damnation. Thou art in a parlous
+	state, shepherd.
+
+CORIN	Not a whit, Touchstone: those that are good manners
+	at the court are as ridiculous in the country as the
+	behavior of the country is most mockable at the
+	court. You told me you salute not at the court, but
+	you kiss your hands: that courtesy would be
+	uncleanly, if courtiers were shepherds.
+
+TOUCHSTONE	Instance, briefly; come, instance.
+
+CORIN	Why, we are still handling our ewes, and their
+	fells, you know, are greasy.
+
+TOUCHSTONE	Why, do not your courtier's hands sweat? and is not
+	the grease of a mutton as wholesome as the sweat of
+	a man? Shallow, shallow. A better instance, I say; come.
+
+CORIN	Besides, our hands are hard.
+
+TOUCHSTONE	Your lips will feel them the sooner. Shallow again.
+	A more sounder instance, come.
+
+CORIN	And they are often tarred over with the surgery of
+	our sheep: and would you have us kiss tar? The
+	courtier's hands are perfumed with civet.
+
+TOUCHSTONE	Most shallow man! thou worms-meat, in respect of a
+	good piece of flesh indeed! Learn of the wise, and
+	perpend: civet is of a baser birth than tar, the
+	very uncleanly flux of a cat. Mend the instance, shepherd.
+
+CORIN	You have too courtly a wit for me: I'll rest.
+
+TOUCHSTONE	Wilt thou rest damned? God help thee, shallow man!
+	God make incision in thee! thou art raw.
+
+CORIN	Sir, I am a true labourer: I earn that I eat, get
+	that I wear, owe no man hate, envy no man's
+	happiness, glad of other men's good, content with my
+	harm, and the greatest of my pride is to see my ewes
+	graze and my lambs suck.
+
+TOUCHSTONE	That is another simple sin in you, to bring the ewes
+	and the rams together and to offer to get your
+	living by the copulation of cattle; to be bawd to a
+	bell-wether, and to betray a she-lamb of a
+	twelvemonth to a crooked-pated, old, cuckoldly ram,
+	out of all reasonable match. If thou beest not
+	damned for this, the devil himself will have no
+	shepherds; I cannot see else how thou shouldst
+	'scape.
+
+CORIN	Here comes young Master Ganymede, my new mistress's brother.
+
+	[Enter ROSALIND, with a paper, reading]
+
+ROSALIND	     From the east to western Ind,
+	No jewel is like Rosalind.
+	Her worth, being mounted on the wind,
+	Through all the world bears Rosalind.
+	All the pictures fairest lined
+	Are but black to Rosalind.
+	Let no fair be kept in mind
+	But the fair of Rosalind.
+
+TOUCHSTONE	I'll rhyme you so eight years together, dinners and
+	suppers and sleeping-hours excepted: it is the
+	right butter-women's rank to market.
+
+ROSALIND	Out, fool!
+
+TOUCHSTONE	For a taste:
+	If a hart do lack a hind,
+	Let him seek out Rosalind.
+	If the cat will after kind,
+	So be sure will Rosalind.
+	Winter garments must be lined,
+	So must slender Rosalind.
+	They that reap must sheaf and bind;
+	Then to cart with Rosalind.
+	Sweetest nut hath sourest rind,
+	Such a nut is Rosalind.
+	He that sweetest rose will find
+	Must find love's prick and Rosalind.
+	This is the very false gallop of verses: why do you
+	infect yourself with them?
+
+ROSALIND	Peace, you dull fool! I found them on a tree.
+
+TOUCHSTONE	Truly, the tree yields bad fruit.
+
+ROSALIND	I'll graff it with you, and then I shall graff it
+	with a medlar: then it will be the earliest fruit
+	i' the country; for you'll be rotten ere you be half
+	ripe, and that's the right virtue of the medlar.
+
+TOUCHSTONE	You have said; but whether wisely or no, let the
+	forest judge.
+
+	[Enter CELIA, with a writing]
+
+ROSALIND	Peace! Here comes my sister, reading: stand aside.
+
+CELIA	[Reads]
+
+	Why should this a desert be?
+	For it is unpeopled? No:
+	Tongues I'll hang on every tree,
+	That shall civil sayings show:
+	Some, how brief the life of man
+	Runs his erring pilgrimage,
+	That the stretching of a span
+	Buckles in his sum of age;
+	Some, of violated vows
+	'Twixt the souls of friend and friend:
+	But upon the fairest boughs,
+	Or at every sentence end,
+	Will I Rosalinda write,
+	Teaching all that read to know
+	The quintessence of every sprite
+	Heaven would in little show.
+	Therefore Heaven Nature charged
+	That one body should be fill'd
+	With all graces wide-enlarged:
+	Nature presently distill'd
+	Helen's cheek, but not her heart,
+	Cleopatra's majesty,
+	Atalanta's better part,
+	Sad Lucretia's modesty.
+	Thus Rosalind of many parts
+	By heavenly synod was devised,
+	Of many faces, eyes and hearts,
+	To have the touches dearest prized.
+	Heaven would that she these gifts should have,
+	And I to live and die her slave.
+
+ROSALIND	O most gentle pulpiter! what tedious homily of love
+	have you wearied your parishioners withal, and never
+	cried 'Have patience, good people!'
+
+CELIA	How now! back, friends! Shepherd, go off a little.
+	Go with him, sirrah.
+
+TOUCHSTONE	Come, shepherd, let us make an honourable retreat;
+	though not with bag and baggage, yet with scrip and scrippage.
+
+	[Exeunt CORIN and TOUCHSTONE]
+
+CELIA	Didst thou hear these verses?
+
+ROSALIND	O, yes, I heard them all, and more too; for some of
+	them had in them more feet than the verses would bear.
+
+CELIA	That's no matter: the feet might bear the verses.
+
+ROSALIND	Ay, but the feet were lame and could not bear
+	themselves without the verse and therefore stood
+	lamely in the verse.
+
+CELIA	But didst thou hear without wondering how thy name
+	should be hanged and carved upon these trees?
+
+ROSALIND	I was seven of the nine days out of the wonder
+	before you came; for look here what I found on a
+	palm-tree. I was never so be-rhymed since
+	Pythagoras' time, that I was an Irish rat, which I
+	can hardly remember.
+
+CELIA	Trow you who hath done this?
+
+ROSALIND	Is it a man?
+
+CELIA	And a chain, that you once wore, about his neck.
+	Change you colour?
+
+ROSALIND	I prithee, who?
+
+CELIA	O Lord, Lord! it is a hard matter for friends to
+	meet; but mountains may be removed with earthquakes
+	and so encounter.
+
+ROSALIND	Nay, but who is it?
+
+CELIA	Is it possible?
+
+ROSALIND	Nay, I prithee now with most petitionary vehemence,
+	tell me who it is.
+
+CELIA	O wonderful, wonderful, and most wonderful
+	wonderful! and yet again wonderful, and after that,
+	out of all hooping!
+
+ROSALIND	Good my complexion! dost thou think, though I am
+	caparisoned like a man, I have a doublet and hose in
+	my disposition? One inch of delay more is a
+	South-sea of discovery; I prithee, tell me who is it
+	quickly, and speak apace. I would thou couldst
+	stammer, that thou mightst pour this concealed man
+	out of thy mouth, as wine comes out of a narrow-
+	mouthed bottle, either too much at once, or none at
+	all. I prithee, take the cork out of thy mouth that
+	may drink thy tidings.
+
+CELIA	So you may put a man in your belly.
+
+ROSALIND	Is he of God's making? What manner of man? Is his
+	head worth a hat, or his chin worth a beard?
+
+CELIA	Nay, he hath but a little beard.
+
+ROSALIND	Why, God will send more, if the man will be
+	thankful: let me stay the growth of his beard, if
+	thou delay me not the knowledge of his chin.
+
+CELIA	It is young Orlando, that tripped up the wrestler's
+	heels and your heart both in an instant.
+
+ROSALIND	Nay, but the devil take mocking: speak, sad brow and
+	true maid.
+
+CELIA	I' faith, coz, 'tis he.
+
+ROSALIND	Orlando?
+
+CELIA	Orlando.
+
+ROSALIND	Alas the day! what shall I do with my doublet and
+	hose? What did he when thou sawest him? What said
+	he? How looked he? Wherein went he? What makes
+	him here? Did he ask for me? Where remains he?
+	How parted he with thee? and when shalt thou see
+	him again? Answer me in one word.
+
+CELIA	You must borrow me Gargantua's mouth first: 'tis a
+	word too great for any mouth of this age's size. To
+	say ay and no to these particulars is more than to
+	answer in a catechism.
+
+ROSALIND	But doth he know that I am in this forest and in
+	man's apparel? Looks he as freshly as he did the
+	day he wrestled?
+
+CELIA	It is as easy to count atomies as to resolve the
+	propositions of a lover; but take a taste of my
+	finding him, and relish it with good observance.
+	I found him under a tree, like a dropped acorn.
+
+ROSALIND	It may well be called Jove's tree, when it drops
+	forth such fruit.
+
+CELIA	Give me audience, good madam.
+
+ROSALIND	Proceed.
+
+CELIA	There lay he, stretched along, like a wounded knight.
+
+ROSALIND	Though it be pity to see such a sight, it well
+	becomes the ground.
+
+CELIA	Cry 'holla' to thy tongue, I prithee; it curvets
+	unseasonably. He was furnished like a hunter.
+
+ROSALIND	O, ominous! he comes to kill my heart.
+
+CELIA	I would sing my song without a burden: thou bringest
+	me out of tune.
+
+ROSALIND	Do you not know I am a woman? when I think, I must
+	speak. Sweet, say on.
+
+CELIA	You bring me out. Soft! comes he not here?
+
+	[Enter ORLANDO and JAQUES]
+
+ROSALIND	'Tis he: slink by, and note him.
+
+JAQUES	I thank you for your company; but, good faith, I had
+	as lief have been myself alone.
+
+ORLANDO	And so had I; but yet, for fashion sake, I thank you
+	too for your society.
+
+JAQUES	God be wi' you: let's meet as little as we can.
+
+ORLANDO	I do desire we may be better strangers.
+
+JAQUES	I pray you, mar no more trees with writing
+	love-songs in their barks.
+
+ORLANDO	I pray you, mar no more of my verses with reading
+	them ill-favouredly.
+
+JAQUES	Rosalind is your love's name?
+
+ORLANDO	Yes, just.
+
+JAQUES	I do not like her name.
+
+ORLANDO	There was no thought of pleasing you when she was
+	christened.
+
+JAQUES	What stature is she of?
+
+ORLANDO	Just as high as my heart.
+
+JAQUES	You are full of pretty answers. Have you not been
+	acquainted with goldsmiths' wives, and conned them
+	out of rings?
+
+ORLANDO	Not so; but I answer you right painted cloth, from
+	whence you have studied your questions.
+
+JAQUES	You have a nimble wit: I think 'twas made of
+	Atalanta's heels. Will you sit down with me? and
+	we two will rail against our mistress the world and
+	all our misery.
+
+ORLANDO	I will chide no breather in the world but myself,
+	against whom I know most faults.
+
+JAQUES	The worst fault you have is to be in love.
+
+ORLANDO	'Tis a fault I will not change for your best virtue.
+	I am weary of you.
+
+JAQUES	By my troth, I was seeking for a fool when I found
+	you.
+
+ORLANDO	He is drowned in the brook: look but in, and you
+	shall see him.
+
+JAQUES	There I shall see mine own figure.
+
+ORLANDO	Which I take to be either a fool or a cipher.
+
+JAQUES	I'll tarry no longer with you: farewell, good
+	Signior Love.
+
+ORLANDO	I am glad of your departure: adieu, good Monsieur
+	Melancholy.
+
+	[Exit JAQUES]
+
+ROSALIND	[Aside to CELIA]  I will speak to him, like a saucy
+	lackey and under that habit play the knave with him.
+	Do you hear, forester?
+
+ORLANDO	Very well: what would you?
+
+ROSALIND	I pray you, what is't o'clock?
+
+ORLANDO	You should ask me what time o' day: there's no clock
+	in the forest.
+
+ROSALIND	Then there is no true lover in the forest; else
+	sighing every minute and groaning every hour would
+	detect the lazy foot of Time as well as a clock.
+
+ORLANDO	And why not the swift foot of Time? had not that
+	been as proper?
+
+ROSALIND	By no means, sir: Time travels in divers paces with
+	divers persons. I'll tell you who Time ambles
+	withal, who Time trots withal, who Time gallops
+	withal and who he stands still withal.
+
+ORLANDO	I prithee, who doth he trot withal?
+
+ROSALIND	Marry, he trots hard with a young maid between the
+	contract of her marriage and the day it is
+	solemnized: if the interim be but a se'nnight,
+	Time's pace is so hard that it seems the length of
+	seven year.
+
+ORLANDO	Who ambles Time withal?
+
+ROSALIND	With a priest that lacks Latin and a rich man that
+	hath not the gout, for the one sleeps easily because
+	he cannot study, and the other lives merrily because
+	he feels no pain, the one lacking the burden of lean
+	and wasteful learning, the other knowing no burden
+	of heavy tedious penury; these Time ambles withal.
+
+ORLANDO	Who doth he gallop withal?
+
+ROSALIND	With a thief to the gallows, for though he go as
+	softly as foot can fall, he thinks himself too soon there.
+
+ORLANDO	Who stays it still withal?
+
+ROSALIND	With lawyers in the vacation, for they sleep between
+	term and term and then they perceive not how Time moves.
+
+ORLANDO	Where dwell you, pretty youth?
+
+ROSALIND	With this shepherdess, my sister; here in the
+	skirts of the forest, like fringe upon a petticoat.
+
+ORLANDO	Are you native of this place?
+
+ROSALIND	As the cony that you see dwell where she is kindled.
+
+ORLANDO	Your accent is something finer than you could
+	purchase in so removed a dwelling.
+
+ROSALIND	I have been told so of many: but indeed an old
+	religious uncle of mine taught me to speak, who was
+	in his youth an inland man; one that knew courtship
+	too well, for there he fell in love. I have heard
+	him read many lectures against it, and I thank God
+	I am not a woman, to be touched with so many
+	giddy offences as he hath generally taxed their
+	whole sex withal.
+
+ORLANDO	Can you remember any of the principal evils that he
+	laid to the charge of women?
+
+ROSALIND	There were none principal; they were all like one
+	another as half-pence are, every one fault seeming
+	monstrous till his fellow fault came to match it.
+
+ORLANDO	I prithee, recount some of them.
+
+ROSALIND	No, I will not cast away my physic but on those that
+	are sick. There is a man haunts the forest, that
+	abuses our young plants with carving 'Rosalind' on
+	their barks; hangs odes upon hawthorns and elegies
+	on brambles, all, forsooth, deifying the name of
+	Rosalind: if I could meet that fancy-monger I would
+	give him some good counsel, for he seems to have the
+	quotidian of love upon him.
+
+ORLANDO	I am he that is so love-shaked: I pray you tell me
+	your remedy.
+
+ROSALIND	There is none of my uncle's marks upon you: he
+	taught me how to know a man in love; in which cage
+	of rushes I am sure you are not prisoner.
+
+ORLANDO	What were his marks?
+
+ROSALIND	A lean cheek, which you have not, a blue eye and
+	sunken, which you have not, an unquestionable
+	spirit, which you have not, a beard neglected,
+	which you have not; but I pardon you for that, for
+	simply your having in beard is a younger brother's
+	revenue: then your hose should be ungartered, your
+	bonnet unbanded, your sleeve unbuttoned, your shoe
+	untied and every thing about you demonstrating a
+	careless desolation; but you are no such man; you
+	are rather point-device in your accoutrements as
+	loving yourself than seeming the lover of any other.
+
+ORLANDO	Fair youth, I would I could make thee believe I love.
+
+ROSALIND	Me believe it! you may as soon make her that you
+	love believe it; which, I warrant, she is apter to
+	do than to confess she does: that is one of the
+	points in the which women still give the lie to
+	their consciences. But, in good sooth, are you he
+	that hangs the verses on the trees, wherein Rosalind
+	is so admired?
+
+ORLANDO	I swear to thee, youth, by the white hand of
+	Rosalind, I am that he, that unfortunate he.
+
+ROSALIND	But are you so much in love as your rhymes speak?
+
+ORLANDO	Neither rhyme nor reason can express how much.
+
+ROSALIND	Love is merely a madness, and, I tell you, deserves
+	as well a dark house and a whip as madmen do: and
+	the reason why they are not so punished and cured
+	is, that the lunacy is so ordinary that the whippers
+	are in love too. Yet I profess curing it by counsel.
+
+ORLANDO	Did you ever cure any so?
+
+ROSALIND	Yes, one, and in this manner. He was to imagine me
+	his love, his mistress; and I set him every day to
+	woo me: at which time would I, being but a moonish
+	youth, grieve, be effeminate, changeable, longing
+	and liking, proud, fantastical, apish, shallow,
+	inconstant, full of tears, full of smiles, for every
+	passion something and for no passion truly any
+	thing, as boys and women are for the most part
+	cattle of this colour; would now like him, now loathe
+	him; then entertain him, then forswear him; now weep
+	for him, then spit at him; that I drave my suitor
+	from his mad humour of love to a living humour of
+	madness; which was, to forswear the full stream of
+	the world, and to live in a nook merely monastic.
+	And thus I cured him; and this way will I take upon
+	me to wash your liver as clean as a sound sheep's
+	heart, that there shall not be one spot of love in't.
+
+ORLANDO	I would not be cured, youth.
+
+ROSALIND	I would cure you, if you would but call me Rosalind
+	and come every day to my cote and woo me.
+
+ORLANDO	Now, by the faith of my love, I will: tell me
+	where it is.
+
+ROSALIND	Go with me to it and I'll show it you and by the way
+	you shall tell me where in the forest you live.
+	Will you go?
+
+ORLANDO	With all my heart, good youth.
+
+ROSALIND	Nay you must call me Rosalind. Come, sister, will you go?
+
+	[Exeunt]
+
+
+
+
+	AS YOU LIKE IT
+
+
+ACT III
+
+
+
+SCENE III	The forest.
+
+
+	[Enter TOUCHSTONE and AUDREY; JAQUES behind]
+
+TOUCHSTONE	Come apace, good Audrey: I will fetch up your
+	goats, Audrey. And how, Audrey? am I the man yet?
+	doth my simple feature content you?
+
+AUDREY	Your features! Lord warrant us! what features!
+
+TOUCHSTONE	I am here with thee and thy goats, as the most
+	capricious poet, honest Ovid, was among the Goths.
+
+JAQUES	[Aside]  O knowledge ill-inhabited, worse than Jove
+	in a thatched house!
+
+TOUCHSTONE	When a man's verses cannot be understood, nor a
+	man's good wit seconded with the forward child
+	Understanding, it strikes a man more dead than a
+	great reckoning in a little room. Truly, I would
+	the gods had made thee poetical.
+
+AUDREY	I do not know what 'poetical' is: is it honest in
+	deed and word? is it a true thing?
+
+TOUCHSTONE	No, truly; for the truest poetry is the most
+	feigning; and lovers are given to poetry, and what
+	they swear in poetry may be said as lovers they do feign.
+
+AUDREY	Do you wish then that the gods had made me poetical?
+
+TOUCHSTONE	I do, truly; for thou swearest to me thou art
+	honest: now, if thou wert a poet, I might have some
+	hope thou didst feign.
+
+AUDREY	Would you not have me honest?
+
+TOUCHSTONE	No, truly, unless thou wert hard-favoured; for
+	honesty coupled to beauty is to have honey a sauce to sugar.
+
+JAQUES	[Aside]  A material fool!
+
+AUDREY	 Well, I am not fair; and therefore I pray the gods
+	make me honest.
+
+TOUCHSTONE	Truly, and to cast away honesty upon a foul slut
+	were to put good meat into an unclean dish.
+
+AUDREY	I am not a slut, though I thank the gods I am foul.
+
+TOUCHSTONE	Well, praised be the gods for thy foulness!
+	sluttishness may come hereafter. But be it as it may
+	be, I will marry thee, and to that end I have been
+	with Sir Oliver Martext, the vicar of the next
+	village, who hath promised to meet me in this place
+	of the forest and to couple us.
+
+JAQUES	[Aside]  I would fain see this meeting.
+
+AUDREY	Well, the gods give us joy!
+
+TOUCHSTONE	Amen. A man may, if he were of a fearful heart,
+	stagger in this attempt; for here we have no temple
+	but the wood, no assembly but horn-beasts. But what
+	though? Courage! As horns are odious, they are
+	necessary. It is said, 'many a man knows no end of
+	his goods:' right; many a man has good horns, and
+	knows no end of them. Well, that is the dowry of
+	his wife; 'tis none of his own getting. Horns?
+	Even so. Poor men alone? No, no; the noblest deer
+	hath them as huge as the rascal. Is the single man
+	therefore blessed? No: as a walled town is more
+	worthier than a village, so is the forehead of a
+	married man more honourable than the bare brow of a
+	bachelor; and by how much defence is better than no
+	skill, by so much is a horn more precious than to
+	want. Here comes Sir Oliver.
+
+	[Enter SIR OLIVER MARTEXT]
+
+	Sir Oliver Martext, you are well met: will you
+	dispatch us here under this tree, or shall we go
+	with you to your chapel?
+
+SIR OLIVER MARTEXT	Is there none here to give the woman?
+
+TOUCHSTONE	I will not take her on gift of any man.
+
+SIR OLIVER MARTEXT	Truly, she must be given, or the marriage is not lawful.
+
+JAQUES	[Advancing]
+
+	Proceed, proceed	I'll give her.
+
+TOUCHSTONE	Good even, good Master What-ye-call't: how do you,
+	sir? You are very well met: God 'ild you for your
+	last company: I am very glad to see you: even a
+	toy in hand here, sir: nay, pray be covered.
+
+JAQUES	Will you be married, motley?
+
+TOUCHSTONE	As the ox hath his bow, sir, the horse his curb and
+	the falcon her bells, so man hath his desires; and
+	as pigeons bill, so wedlock would be nibbling.
+
+JAQUES	And will you, being a man of your breeding, be
+	married under a bush like a beggar? Get you to
+	church, and have a good priest that can tell you
+	what marriage is: this fellow will but join you
+	together as they join wainscot; then one of you will
+	prove a shrunk panel and, like green timber, warp, warp.
+
+TOUCHSTONE	[Aside]  I am not in the mind but I were better to be
+	married of him than of another: for he is not like
+	to marry me well; and not being well married, it
+	will be a good excuse for me hereafter to leave my wife.
+
+JAQUES	Go thou with me, and let me counsel thee.
+
+TOUCHSTONE	'Come, sweet Audrey:
+	We must be married, or we must live in bawdry.
+	Farewell, good Master Oliver: not,--
+	O sweet Oliver,
+	O brave Oliver,
+	Leave me not behind thee: but,--
+	Wind away,
+	Begone, I say,
+	I will not to wedding with thee.
+
+	[Exeunt JAQUES, TOUCHSTONE and AUDREY]
+
+SIR OLIVER MARTEXT	'Tis no matter: ne'er a fantastical knave of them
+	all shall flout me out of my calling.
+
+	[Exit]
+
+
+
+
+	AS YOU LIKE IT
+
+
+ACT III
+
+
+
+SCENE IV	The forest.
+
+
+	[Enter ROSALIND and CELIA]
+
+ROSALIND	Never talk to me; I will weep.
+
+CELIA	Do, I prithee; but yet have the grace to consider
+	that tears do not become a man.
+
+ROSALIND	But have I not cause to weep?
+
+CELIA	As good cause as one would desire; therefore weep.
+
+ROSALIND	His very hair is of the dissembling colour.
+
+CELIA	Something browner than Judas's marry, his kisses are
+	Judas's own children.
+
+ROSALIND	I' faith, his hair is of a good colour.
+
+CELIA	An excellent colour: your chestnut was ever the only colour.
+
+ROSALIND	And his kissing is as full of sanctity as the touch
+	of holy bread.
+
+CELIA	He hath bought a pair of cast lips of Diana: a nun
+	of winter's sisterhood kisses not more religiously;
+	the very ice of chastity is in them.
+
+ROSALIND	But why did he swear he would come this morning, and
+	comes not?
+
+CELIA	Nay, certainly, there is no truth in him.
+
+ROSALIND	Do you think so?
+
+CELIA	Yes; I think he is not a pick-purse nor a
+	horse-stealer, but for his verity in love, I do
+	think him as concave as a covered goblet or a
+	worm-eaten nut.
+
+ROSALIND	Not true in love?
+
+CELIA	Yes, when he is in; but I think he is not in.
+
+ROSALIND	You have heard him swear downright he was.
+
+CELIA	'Was' is not 'is:' besides, the oath of a lover is
+	no stronger than the word of a tapster; they are
+	both the confirmer of false reckonings. He attends
+	here in the forest on the duke your father.
+
+ROSALIND	I met the duke yesterday and had much question with
+	him: he asked me of what parentage I was; I told
+	him, of as good as he; so he laughed and let me go.
+	But what talk we of fathers, when there is such a
+	man as Orlando?
+
+CELIA	O, that's a brave man! he writes brave verses,
+	speaks brave words, swears brave oaths and breaks
+	them bravely, quite traverse, athwart the heart of
+	his lover; as a puisny tilter, that spurs his horse
+	but on one side, breaks his staff like a noble
+	goose: but all's brave that youth mounts and folly
+	guides. Who comes here?
+
+	[Enter CORIN]
+
+CORIN	Mistress and master, you have oft inquired
+	After the shepherd that complain'd of love,
+	Who you saw sitting by me on the turf,
+	Praising the proud disdainful shepherdess
+	That was his mistress.
+
+CELIA	Well, and what of him?
+
+CORIN	If you will see a pageant truly play'd,
+	Between the pale complexion of true love
+	And the red glow of scorn and proud disdain,
+	Go hence a little and I shall conduct you,
+	If you will mark it.
+
+ROSALIND	O, come, let us remove:
+	The sight of lovers feedeth those in love.
+	Bring us to this sight, and you shall say
+	I'll prove a busy actor in their play.
+
+	[Exeunt]
+
+
+
+
+	AS YOU LIKE IT
+
+
+ACT III
+
+
+
+SCENE V	Another part of the forest.
+
+
+	[Enter SILVIUS and PHEBE]
+
+SILVIUS	Sweet Phebe, do not scorn me; do not, Phebe;
+	Say that you love me not, but say not so
+	In bitterness. The common executioner,
+	Whose heart the accustom'd sight of death makes hard,
+	Falls not the axe upon the humbled neck
+	But first begs pardon: will you sterner be
+	Than he that dies and lives by bloody drops?
+
+	[Enter ROSALIND, CELIA, and CORIN, behind]
+
+PHEBE	I would not be thy executioner:
+	I fly thee, for I would not injure thee.
+	Thou tell'st me there is murder in mine eye:
+	'Tis pretty, sure, and very probable,
+	That eyes, that are the frail'st and softest things,
+	Who shut their coward gates on atomies,
+	Should be call'd tyrants, butchers, murderers!
+	Now I do frown on thee with all my heart;
+	And if mine eyes can wound, now let them kill thee:
+	Now counterfeit to swoon; why now fall down;
+	Or if thou canst not, O, for shame, for shame,
+	Lie not, to say mine eyes are murderers!
+	Now show the wound mine eye hath made in thee:
+	Scratch thee but with a pin, and there remains
+	Some scar of it; lean but upon a rush,
+	The cicatrice and capable impressure
+	Thy palm some moment keeps; but now mine eyes,
+	Which I have darted at thee, hurt thee not,
+	Nor, I am sure, there is no force in eyes
+	That can do hurt.
+
+SILVIUS	                  O dear Phebe,
+	If ever,--as that ever may be near,--
+	You meet in some fresh cheek the power of fancy,
+	Then shall you know the wounds invisible
+	That love's keen arrows make.
+
+PHEBE	But till that time
+	Come not thou near me: and when that time comes,
+	Afflict me with thy mocks, pity me not;
+	As till that time I shall not pity thee.
+
+ROSALIND	And why, I pray you? Who might be your mother,
+	That you insult, exult, and all at once,
+	Over the wretched? What though you have no beauty,--
+	As, by my faith, I see no more in you
+	Than without candle may go dark to bed--
+	Must you be therefore proud and pitiless?
+	Why, what means this? Why do you look on me?
+	I see no more in you than in the ordinary
+	Of nature's sale-work. 'Od's my little life,
+	I think she means to tangle my eyes too!
+	No, faith, proud mistress, hope not after it:
+	'Tis not your inky brows, your black silk hair,
+	Your bugle eyeballs, nor your cheek of cream,
+	That can entame my spirits to your worship.
+	You foolish shepherd, wherefore do you follow her,
+	Like foggy south puffing with wind and rain?
+	You are a thousand times a properer man
+	Than she a woman: 'tis such fools as you
+	That makes the world full of ill-favour'd children:
+	'Tis not her glass, but you, that flatters her;
+	And out of you she sees herself more proper
+	Than any of her lineaments can show her.
+	But, mistress, know yourself: down on your knees,
+	And thank heaven, fasting, for a good man's love:
+	For I must tell you friendly in your ear,
+	Sell when you can: you are not for all markets:
+	Cry the man mercy; love him; take his offer:
+	Foul is most foul, being foul to be a scoffer.
+	So take her to thee, shepherd: fare you well.
+
+PHEBE	Sweet youth, I pray you, chide a year together:
+	I had rather hear you chide than this man woo.
+
+ROSALIND	He's fallen in love with your foulness and she'll
+	fall in love with my anger. If it be so, as fast as
+	she answers thee with frowning looks, I'll sauce her
+	with bitter words. Why look you so upon me?
+
+PHEBE	For no ill will I bear you.
+
+ROSALIND	I pray you, do not fall in love with me,
+	For I am falser than vows made in wine:
+	Besides, I like you not. If you will know my house,
+	'Tis at the tuft of olives here hard by.
+	Will you go, sister? Shepherd, ply her hard.
+	Come, sister. Shepherdess, look on him better,
+	And be not proud: though all the world could see,
+	None could be so abused in sight as he.
+	Come, to our flock.
+
+	[Exeunt ROSALIND, CELIA and CORIN]
+
+PHEBE	Dead Shepherd, now I find thy saw of might,
+	'Who ever loved that loved not at first sight?'
+
+SILVIUS	Sweet Phebe,--
+
+PHEBE	                  Ha, what say'st thou, Silvius?
+
+SILVIUS	Sweet Phebe, pity me.
+
+PHEBE	Why, I am sorry for thee, gentle Silvius.
+
+SILVIUS	Wherever sorrow is, relief would be:
+	If you do sorrow at my grief in love,
+	By giving love your sorrow and my grief
+	Were both extermined.
+
+PHEBE	Thou hast my love: is not that neighbourly?
+
+SILVIUS	I would have you.
+
+PHEBE	                  Why, that were covetousness.
+	Silvius, the time was that I hated thee,
+	And yet it is not that I bear thee love;
+	But since that thou canst talk of love so well,
+	Thy company, which erst was irksome to me,
+	I will endure, and I'll employ thee too:
+	But do not look for further recompense
+	Than thine own gladness that thou art employ'd.
+
+SILVIUS	So holy and so perfect is my love,
+	And I in such a poverty of grace,
+	That I shall think it a most plenteous crop
+	To glean the broken ears after the man
+	That the main harvest reaps: loose now and then
+	A scatter'd smile, and that I'll live upon.
+
+PHEBE	Know'st now the youth that spoke to me erewhile?
+
+SILVIUS	Not very well, but I have met him oft;
+	And he hath bought the cottage and the bounds
+	That the old carlot once was master of.
+
+PHEBE	Think not I love him, though I ask for him:
+	'Tis but a peevish boy; yet he talks well;
+	But what care I for words? yet words do well
+	When he that speaks them pleases those that hear.
+	It is a pretty youth: not very pretty:
+	But, sure, he's proud, and yet his pride becomes him:
+	He'll make a proper man: the best thing in him
+	Is his complexion; and faster than his tongue
+	Did make offence his eye did heal it up.
+	He is not very tall; yet for his years he's tall:
+	His leg is but so so; and yet 'tis well:
+	There was a pretty redness in his lip,
+	A little riper and more lusty red
+	Than that mix'd in his cheek; 'twas just the difference
+	Between the constant red and mingled damask.
+	There be some women, Silvius, had they mark'd him
+	In parcels as I did, would have gone near
+	To fall in love with him; but, for my part,
+	I love him not nor hate him not; and yet
+	I have more cause to hate him than to love him:
+	For what had he to do to chide at me?
+	He said mine eyes were black and my hair black:
+	And, now I am remember'd, scorn'd at me:
+	I marvel why I answer'd not again:
+	But that's all one; omittance is no quittance.
+	I'll write to him a very taunting letter,
+	And thou shalt bear it: wilt thou, Silvius?
+
+SILVIUS	Phebe, with all my heart.
+
+PHEBE	I'll write it straight;
+	The matter's in my head and in my heart:
+	I will be bitter with him and passing short.
+	Go with me, Silvius.
+
+	[Exeunt]
+
+
+
+
+	AS YOU LIKE IT
+
+
+ACT IV
+
+
+
+SCENE I	The forest.
+
+
+	[Enter ROSALIND, CELIA, and JAQUES]
+
+JAQUES	I prithee, pretty youth, let me be better acquainted
+	with thee.
+
+ROSALIND	They say you are a melancholy fellow.
+
+JAQUES	I am so; I do love it better than laughing.
+
+ROSALIND	Those that are in extremity of either are abominable
+	fellows and betray themselves to every modern
+	censure worse than drunkards.
+
+JAQUES	Why, 'tis good to be sad and say nothing.
+
+ROSALIND	Why then, 'tis good to be a post.
+
+JAQUES	I have neither the scholar's melancholy, which is
+	emulation, nor the musician's, which is fantastical,
+	nor the courtier's, which is proud, nor the
+	soldier's, which is ambitious, nor the lawyer's,
+	which is politic, nor the lady's, which is nice, nor
+	the lover's, which is all these: but it is a
+	melancholy of mine own, compounded of many simples,
+	extracted from many objects, and indeed the sundry's
+	contemplation of my travels, in which my often
+	rumination wraps me m a most humorous sadness.
+
+ROSALIND	A traveller! By my faith, you have great reason to
+	be sad: I fear you have sold your own lands to see
+	other men's; then, to have seen much and to have
+	nothing, is to have rich eyes and poor hands.
+
+JAQUES	Yes, I have gained my experience.
+
+ROSALIND	And your experience makes you sad: I had rather have
+	a fool to make me merry than experience to make me
+	sad; and to travel for it too!
+
+	[Enter ORLANDO]
+
+ORLANDO	Good day and happiness, dear Rosalind!
+
+JAQUES	Nay, then, God be wi' you, an you talk in blank verse.
+
+	[Exit]
+
+ROSALIND	Farewell, Monsieur Traveller: look you lisp and
+	wear strange suits, disable all the benefits of your
+	own country, be out of love with your nativity and
+	almost chide God for making you that countenance you
+	are, or I will scarce think you have swam in a
+	gondola. Why, how now, Orlando! where have you been
+	all this while? You a lover! An you serve me such
+	another trick, never come in my sight more.
+
+ORLANDO	My fair Rosalind, I come within an hour of my promise.
+
+ROSALIND	Break an hour's promise in love! He that will
+	divide a minute into a thousand parts and break but
+	a part of the thousandth part of a minute in the
+	affairs of love, it may be said of him that Cupid
+	hath clapped him o' the shoulder, but I'll warrant
+	him heart-whole.
+
+ORLANDO	Pardon me, dear Rosalind.
+
+ROSALIND	Nay, an you be so tardy, come no more in my sight: I
+	had as lief be wooed of a snail.
+
+ORLANDO	Of a snail?
+
+ROSALIND	Ay, of a snail; for though he comes slowly, he
+	carries his house on his head; a better jointure,
+	I think, than you make a woman: besides he brings
+	his destiny with him.
+
+ORLANDO	What's that?
+
+ROSALIND	Why, horns, which such as you are fain to be
+	beholding to your wives for: but he comes armed in
+	his fortune and prevents the slander of his wife.
+
+ORLANDO	Virtue is no horn-maker; and my Rosalind is virtuous.
+
+ROSALIND	And I am your Rosalind.
+
+CELIA	It pleases him to call you so; but he hath a
+	Rosalind of a better leer than you.
+
+ROSALIND	Come, woo me, woo me, for now I am in a holiday
+	humour and like enough to consent. What would you
+	say to me now, an I were your very very Rosalind?
+
+ORLANDO	I would kiss before I spoke.
+
+ROSALIND	Nay, you were better speak first, and when you were
+	gravelled for lack of matter, you might take
+	occasion to kiss. Very good orators, when they are
+	out, they will spit; and for lovers lacking--God
+	warn us!--matter, the cleanliest shift is to kiss.
+
+ORLANDO	How if the kiss be denied?
+
+ROSALIND	Then she puts you to entreaty, and there begins new matter.
+
+ORLANDO	Who could be out, being before his beloved mistress?
+
+ROSALIND	Marry, that should you, if I were your mistress, or
+	I should think my honesty ranker than my wit.
+
+ORLANDO	What, of my suit?
+
+ROSALIND	Not out of your apparel, and yet out of your suit.
+	Am not I your Rosalind?
+
+ORLANDO	I take some joy to say you are, because I would be
+	talking of her.
+
+ROSALIND	Well in her person I say I will not have you.
+
+ORLANDO	Then in mine own person I die.
+
+ROSALIND	No, faith, die by attorney. The poor world is
+	almost six thousand years old, and in all this time
+	there was not any man died in his own person,
+	videlicit, in a love-cause. Troilus had his brains
+	dashed out with a Grecian club; yet he did what he
+	could to die before, and he is one of the patterns
+	of love. Leander, he would have lived many a fair
+	year, though Hero had turned nun, if it had not been
+	for a hot midsummer night; for, good youth, he went
+	but forth to wash him in the Hellespont and being
+	taken with the cramp was drowned and the foolish
+	coroners of that age found it was 'Hero of Sestos.'
+	But these are all lies: men have died from time to
+	time and worms have eaten them, but not for love.
+
+ORLANDO	I would not have my right Rosalind of this mind,
+	for, I protest, her frown might kill me.
+
+ROSALIND	By this hand, it will not kill a fly. But come, now
+	I will be your Rosalind in a more coming-on
+	disposition, and ask me what you will. I will grant
+	it.
+
+ORLANDO	Then love me, Rosalind.
+
+ROSALIND	Yes, faith, will I, Fridays and Saturdays and all.
+
+ORLANDO	And wilt thou have me?
+
+ROSALIND	Ay, and twenty such.
+
+ORLANDO	What sayest thou?
+
+ROSALIND	Are you not good?
+
+ORLANDO	I hope so.
+
+ROSALIND	Why then, can one desire too much of a good thing?
+	Come, sister, you shall be the priest and marry us.
+	Give me your hand, Orlando. What do you say, sister?
+
+ORLANDO	Pray thee, marry us.
+
+CELIA	I cannot say the words.
+
+ROSALIND	You must begin, 'Will you, Orlando--'
+
+CELIA	Go to. Will you, Orlando, have to wife this Rosalind?
+
+ORLANDO	I will.
+
+ROSALIND	Ay, but when?
+
+ORLANDO	Why now; as fast as she can marry us.
+
+ROSALIND	Then you must say 'I take thee, Rosalind, for wife.'
+
+ORLANDO	I take thee, Rosalind, for wife.
+
+ROSALIND	I might ask you for your commission; but I do take
+	thee, Orlando, for my husband: there's a girl goes
+	before the priest; and certainly a woman's thought
+	runs before her actions.
+
+ORLANDO	So do all thoughts; they are winged.
+
+ROSALIND	Now tell me how long you would have her after you
+	have possessed her.
+
+ORLANDO	For ever and a day.
+
+ROSALIND	Say 'a day,' without the 'ever.' No, no, Orlando;
+	men are April when they woo, December when they wed:
+	maids are May when they are maids, but the sky
+	changes when they are wives. I will be more jealous
+	of thee than a Barbary cock-pigeon over his hen,
+	more clamorous than a parrot against rain, more
+	new-fangled than an ape, more giddy in my desires
+	than a monkey: I will weep for nothing, like Diana
+	in the fountain, and I will do that when you are
+	disposed to be merry; I will laugh like a hyen, and
+	that when thou art inclined to sleep.
+
+ORLANDO	But will my Rosalind do so?
+
+ROSALIND	By my life, she will do as I do.
+
+ORLANDO	O, but she is wise.
+
+ROSALIND	Or else she could not have the wit to do this: the
+	wiser, the waywarder: make the doors upon a woman's
+	wit and it will out at the casement; shut that and
+	'twill out at the key-hole; stop that, 'twill fly
+	with the smoke out at the chimney.
+
+ORLANDO	A man that had a wife with such a wit, he might say
+	'Wit, whither wilt?'
+
+ROSALIND	Nay, you might keep that cheque for it till you met
+	your wife's wit going to your neighbour's bed.
+
+ORLANDO	And what wit could wit have to excuse that?
+
+ROSALIND	Marry, to say she came to seek you there. You shall
+	never take her without her answer, unless you take
+	her without her tongue. O, that woman that cannot
+	make her fault her husband's occasion, let her
+	never nurse her child herself, for she will breed
+	it like a fool!
+
+ORLANDO	For these two hours, Rosalind, I will leave thee.
+
+ROSALIND	Alas! dear love, I cannot lack thee two hours.
+
+ORLANDO	I must attend the duke at dinner: by two o'clock I
+	will be with thee again.
+
+ROSALIND	Ay, go your ways, go your ways; I knew what you
+	would prove: my friends told me as much, and I
+	thought no less: that flattering tongue of yours
+	won me: 'tis but one cast away, and so, come,
+	death! Two o'clock is your hour?
+
+ORLANDO	Ay, sweet Rosalind.
+
+ROSALIND	By my troth, and in good earnest, and so God mend
+	me, and by all pretty oaths that are not dangerous,
+	if you break one jot of your promise or come one
+	minute behind your hour, I will think you the most
+	pathetical break-promise and the most hollow lover
+	and the most unworthy of her you call Rosalind that
+	may be chosen out of the gross band of the
+	unfaithful: therefore beware my censure and keep
+	your promise.
+
+ORLANDO	With no less religion than if thou wert indeed my
+	Rosalind: so adieu.
+
+ROSALIND	Well, Time is the old justice that examines all such
+	offenders, and let Time try: adieu.
+
+	[Exit ORLANDO]
+
+CELIA	You have simply misused our sex in your love-prate:
+	we must have your doublet and hose plucked over your
+	head, and show the world what the bird hath done to
+	her own nest.
+
+ROSALIND	O coz, coz, coz, my pretty little coz, that thou
+	didst know how many fathom deep I am in love! But
+	it cannot be sounded: my affection hath an unknown
+	bottom, like the bay of Portugal.
+
+CELIA	Or rather, bottomless, that as fast as you pour
+	affection in, it runs out.
+
+ROSALIND	No, that same wicked bastard of Venus that was begot
+	of thought, conceived of spleen and born of madness,
+	that blind rascally boy that abuses every one's eyes
+	because his own are out, let him be judge how deep I
+	am in love. I'll tell thee, Aliena, I cannot be out
+	of the sight of Orlando: I'll go find a shadow and
+	sigh till he come.
+
+CELIA	And I'll sleep.
+
+	[Exeunt]
+
+
+
+
+	AS YOU LIKE IT
+
+
+ACT IV
+
+
+
+SCENE II	The forest.
+
+
+	[Enter JAQUES, Lords, and Foresters]
+
+JAQUES	Which is he that killed the deer?
+
+A Lord	Sir, it was I.
+
+JAQUES	Let's present him to the duke, like a Roman
+	conqueror; and it would do well to set the deer's
+	horns upon his head, for a branch of victory. Have
+	you no song, forester, for this purpose?
+
+Forester	Yes, sir.
+
+JAQUES	Sing it: 'tis no matter how it be in tune, so it
+	make noise enough.
+
+	SONG.
+Forester	What shall he have that kill'd the deer?
+	His leather skin and horns to wear.
+	Then sing him home;
+
+	[The rest shall bear this burden]
+
+	Take thou no scorn to wear the horn;
+	It was a crest ere thou wast born:
+	Thy father's father wore it,
+	And thy father bore it:
+	The horn, the horn, the lusty horn
+	Is not a thing to laugh to scorn.
+
+	[Exeunt]
+
+
+
+
+	AS YOU LIKE IT
+
+
+ACT IV
+
+
+
+SCENE III	The forest.
+
+
+	[Enter ROSALIND and CELIA]
+
+ROSALIND	How say you now? Is it not past two o'clock? and
+	here much Orlando!
+
+CELIA	I warrant you, with pure love and troubled brain, he
+	hath ta'en his bow and arrows and is gone forth to
+	sleep. Look, who comes here.
+
+	[Enter SILVIUS]
+
+SILVIUS	My errand is to you, fair youth;
+	My gentle Phebe bid me give you this:
+	I know not the contents; but, as I guess
+	By the stern brow and waspish action
+	Which she did use as she was writing of it,
+	It bears an angry tenor: pardon me:
+	I am but as a guiltless messenger.
+
+ROSALIND	Patience herself would startle at this letter
+	And play the swaggerer; bear this, bear all:
+	She says I am not fair, that I lack manners;
+	She calls me proud, and that she could not love me,
+	Were man as rare as phoenix. 'Od's my will!
+	Her love is not the hare that I do hunt:
+	Why writes she so to me? Well, shepherd, well,
+	This is a letter of your own device.
+
+SILVIUS	No, I protest, I know not the contents:
+	Phebe did write it.
+
+ROSALIND	Come, come, you are a fool
+	And turn'd into the extremity of love.
+	I saw her hand: she has a leathern hand.
+	A freestone-colour'd hand; I verily did think
+	That her old gloves were on, but 'twas her hands:
+	She has a huswife's hand; but that's no matter:
+	I say she never did invent this letter;
+	This is a man's invention and his hand.
+
+SILVIUS	Sure, it is hers.
+
+ROSALIND	Why, 'tis a boisterous and a cruel style.
+	A style for-challengers; why, she defies me,
+	Like Turk to Christian: women's gentle brain
+	Could not drop forth such giant-rude invention
+	Such Ethiope words, blacker in their effect
+	Than in their countenance. Will you hear the letter?
+
+SILVIUS	So please you, for I never heard it yet;
+	Yet heard too much of Phebe's cruelty.
+
+ROSALIND	She Phebes me: mark how the tyrant writes.
+
+	[Reads]
+
+	Art thou god to shepherd turn'd,
+	That a maiden's heart hath burn'd?
+	Can a woman rail thus?
+
+SILVIUS	Call you this railing?
+
+ROSALIND	[Reads]
+
+	Why, thy godhead laid apart,
+	Warr'st thou with a woman's heart?
+	Did you ever hear such railing?
+	Whiles the eye of man did woo me,
+	That could do no vengeance to me.
+	Meaning me a beast.
+	If the scorn of your bright eyne
+	Have power to raise such love in mine,
+	Alack, in me what strange effect
+	Would they work in mild aspect!
+	Whiles you chid me, I did love;
+	How then might your prayers move!
+	He that brings this love to thee
+	Little knows this love in me:
+	And by him seal up thy mind;
+	Whether that thy youth and kind
+	Will the faithful offer take
+	Of me and all that I can make;
+	Or else by him my love deny,
+	And then I'll study how to die.
+
+SILVIUS	Call you this chiding?
+
+CELIA	Alas, poor shepherd!
+
+ROSALIND	Do you pity him? no, he deserves no pity. Wilt
+	thou love such a woman? What, to make thee an
+	instrument and play false strains upon thee! not to
+	be endured! Well, go your way to her, for I see
+	love hath made thee a tame snake, and say this to
+	her: that if she love me, I charge her to love
+	thee; if she will not, I will never have her unless
+	thou entreat for her. If you be a true lover,
+	hence, and not a word; for here comes more company.
+
+	[Exit SILVIUS]
+
+	[Enter OLIVER]
+
+OLIVER	Good morrow, fair ones: pray you, if you know,
+	Where in the purlieus of this forest stands
+	A sheep-cote fenced about with olive trees?
+
+CELIA	West of this place, down in the neighbour bottom:
+	The rank of osiers by the murmuring stream
+	Left on your right hand brings you to the place.
+	But at this hour the house doth keep itself;
+	There's none within.
+
+OLIVER	If that an eye may profit by a tongue,
+	Then should I know you by description;
+	Such garments and such years: 'The boy is fair,
+	Of female favour, and bestows himself
+	Like a ripe sister: the woman low
+	And browner than her brother.' Are not you
+	The owner of the house I did inquire for?
+
+CELIA	It is no boast, being ask'd, to say we are.
+
+OLIVER	Orlando doth commend him to you both,
+	And to that youth he calls his Rosalind
+	He sends this bloody napkin. Are you he?
+
+ROSALIND	I am: what must we understand by this?
+
+OLIVER	Some of my shame; if you will know of me
+	What man I am, and how, and why, and where
+	This handkercher was stain'd.
+
+CELIA	I pray you, tell it.
+
+OLIVER	When last the young Orlando parted from you
+	He left a promise to return again
+	Within an hour, and pacing through the forest,
+	Chewing the food of sweet and bitter fancy,
+	Lo, what befell! he threw his eye aside,
+	And mark what object did present itself:
+	Under an oak, whose boughs were moss'd with age
+	And high top bald with dry antiquity,
+	A wretched ragged man, o'ergrown with hair,
+	Lay sleeping on his back: about his neck
+	A green and gilded snake had wreathed itself,
+	Who with her head nimble in threats approach'd
+	The opening of his mouth; but suddenly,
+	Seeing Orlando, it unlink'd itself,
+	And with indented glides did slip away
+	Into a bush: under which bush's shade
+	A lioness, with udders all drawn dry,
+	Lay couching, head on ground, with catlike watch,
+	When that the sleeping man should stir; for 'tis
+	The royal disposition of that beast
+	To prey on nothing that doth seem as dead:
+	This seen, Orlando did approach the man
+	And found it was his brother, his elder brother.
+
+CELIA	O, I have heard him speak of that same brother;
+	And he did render him the most unnatural
+	That lived amongst men.
+
+OLIVER	And well he might so do,
+	For well I know he was unnatural.
+
+ROSALIND	But, to Orlando: did he leave him there,
+	Food to the suck'd and hungry lioness?
+
+OLIVER	Twice did he turn his back and purposed so;
+	But kindness, nobler ever than revenge,
+	And nature, stronger than his just occasion,
+	Made him give battle to the lioness,
+	Who quickly fell before him: in which hurtling
+	From miserable slumber I awaked.
+
+CELIA	Are you his brother?
+
+ROSALIND	Wast you he rescued?
+
+CELIA	Was't you that did so oft contrive to kill him?
+
+OLIVER	'Twas I; but 'tis not I	I do not shame
+	To tell you what I was, since my conversion
+	So sweetly tastes, being the thing I am.
+
+ROSALIND	But, for the bloody napkin?
+
+OLIVER	By and by.
+	When from the first to last betwixt us two
+	Tears our recountments had most kindly bathed,
+	As how I came into that desert place:--
+	In brief, he led me to the gentle duke,
+	Who gave me fresh array and entertainment,
+	Committing me unto my brother's love;
+	Who led me instantly unto his cave,
+	There stripp'd himself, and here upon his arm
+	The lioness had torn some flesh away,
+	Which all this while had bled; and now he fainted
+	And cried, in fainting, upon Rosalind.
+	Brief, I recover'd him, bound up his wound;
+	And, after some small space, being strong at heart,
+	He sent me hither, stranger as I am,
+	To tell this story, that you might excuse
+	His broken promise, and to give this napkin
+	Dyed in his blood unto the shepherd youth
+	That he in sport doth call his Rosalind.
+
+	[ROSALIND swoons]
+
+CELIA	Why, how now, Ganymede! sweet Ganymede!
+
+OLIVER	Many will swoon when they do look on blood.
+
+CELIA	There is more in it. Cousin Ganymede!
+
+OLIVER	Look, he recovers.
+
+ROSALIND	I would I were at home.
+
+CELIA	We'll lead you thither.
+	I pray you, will you take him by the arm?
+
+OLIVER	Be of good cheer, youth: you a man! you lack a
+	man's heart.
+
+ROSALIND	I do so, I confess it. Ah, sirrah, a body would
+	think this was well counterfeited! I pray you, tell
+	your brother how well I counterfeited. Heigh-ho!
+
+OLIVER	This was not counterfeit: there is too great
+	testimony in your complexion that it was a passion
+	of earnest.
+
+ROSALIND	Counterfeit, I assure you.
+
+OLIVER	Well then, take a good heart and counterfeit to be a man.
+
+ROSALIND	So I do: but, i' faith, I should have been a woman by right.
+
+CELIA	Come, you look paler and paler: pray you, draw
+	homewards. Good sir, go with us.
+
+OLIVER	That will I, for I must bear answer back
+	How you excuse my brother, Rosalind.
+
+ROSALIND	I shall devise something: but, I pray you, commend
+	my counterfeiting to him. Will you go?
+
+	[Exeunt]
+
+
+
+
+	AS YOU LIKE IT
+
+
+ACT V
+
+
+
+SCENE I	The forest.
+
+
+	[Enter TOUCHSTONE and AUDREY]
+
+TOUCHSTONE	We shall find a time, Audrey; patience, gentle Audrey.
+
+AUDREY	Faith, the priest was good enough, for all the old
+	gentleman's saying.
+
+TOUCHSTONE	A most wicked Sir Oliver, Audrey, a most vile
+	Martext. But, Audrey, there is a youth here in the
+	forest lays claim to you.
+
+AUDREY	Ay, I know who 'tis; he hath no interest in me in
+	the world: here comes the man you mean.
+
+TOUCHSTONE	It is meat and drink to me to see a clown: by my
+	troth, we that have good wits have much to answer
+	for; we shall be flouting; we cannot hold.
+
+	[Enter WILLIAM]
+
+WILLIAM	Good even, Audrey.
+
+AUDREY	God ye good even, William.
+
+WILLIAM	And good even to you, sir.
+
+TOUCHSTONE	Good even, gentle friend. Cover thy head, cover thy
+	head; nay, prithee, be covered. How old are you, friend?
+
+WILLIAM	Five and twenty, sir.
+
+TOUCHSTONE	A ripe age. Is thy name William?
+
+WILLIAM	William, sir.
+
+TOUCHSTONE	A fair name. Wast born i' the forest here?
+
+WILLIAM	Ay, sir, I thank God.
+
+TOUCHSTONE	'Thank God;' a good answer. Art rich?
+
+WILLIAM	Faith, sir, so so.
+
+TOUCHSTONE	'So so' is good, very good, very excellent good; and
+	yet it is not; it is but so so. Art thou wise?
+
+WILLIAM	Ay, sir, I have a pretty wit.
+
+TOUCHSTONE	Why, thou sayest well. I do now remember a saying,
+	'The fool doth think he is wise, but the wise man
+	knows himself to be a fool.' The heathen
+	philosopher, when he had a desire to eat a grape,
+	would open his lips when he put it into his mouth;
+	meaning thereby that grapes were made to eat and
+	lips to open. You do love this maid?
+
+WILLIAM	I do, sir.
+
+TOUCHSTONE	Give me your hand. Art thou learned?
+
+WILLIAM	No, sir.
+
+TOUCHSTONE	Then learn this of me: to have, is to have; for it
+	is a figure in rhetoric that drink, being poured out
+	of a cup into a glass, by filling the one doth empty
+	the other; for all your writers do consent that ipse
+	is he: now, you are not ipse, for I am he.
+
+WILLIAM	Which he, sir?
+
+TOUCHSTONE	He, sir, that must marry this woman. Therefore, you
+	clown, abandon,--which is in the vulgar leave,--the
+	society,--which in the boorish is company,--of this
+	female,--which in the common is woman; which
+	together is, abandon the society of this female, or,
+	clown, thou perishest; or, to thy better
+	understanding, diest; or, to wit I kill thee, make
+	thee away, translate thy life into death, thy
+	liberty into bondage: I will deal in poison with
+	thee, or in bastinado, or in steel; I will bandy
+	with thee in faction; I will o'errun thee with
+	policy; I will kill thee a hundred and fifty ways:
+	therefore tremble and depart.
+
+AUDREY	Do, good William.
+
+WILLIAM	God rest you merry, sir.
+
+	[Exit]
+
+	[Enter CORIN]
+
+CORIN	Our master and mistress seeks you; come, away, away!
+
+TOUCHSTONE	Trip, Audrey! trip, Audrey! I attend, I attend.
+
+	[Exeunt]
+
+
+
+
+	AS YOU LIKE IT
+
+
+ACT V
+
+
+
+SCENE II	The forest.
+
+
+	[Enter ORLANDO and OLIVER]
+
+ORLANDO	Is't possible that on so little acquaintance you
+	should like her? that but seeing you should love
+	her? and loving woo? and, wooing, she should
+	grant? and will you persever to enjoy her?
+
+OLIVER	Neither call the giddiness of it in question, the
+	poverty of her, the small acquaintance, my sudden
+	wooing, nor her sudden consenting; but say with me,
+	I love Aliena; say with her that she loves me;
+	consent with both that we may enjoy each other: it
+	shall be to your good; for my father's house and all
+	the revenue that was old Sir Rowland's will I
+	estate upon you, and here live and die a shepherd.
+
+ORLANDO	You have my consent. Let your wedding be to-morrow:
+	thither will I invite the duke and all's contented
+	followers. Go you and prepare Aliena; for look
+	you, here comes my Rosalind.
+
+	[Enter ROSALIND]
+
+ROSALIND	God save you, brother.
+
+OLIVER	And you, fair sister.
+
+	[Exit]
+
+ROSALIND	O, my dear Orlando, how it grieves me to see thee
+	wear thy heart in a scarf!
+
+ORLANDO	It is my arm.
+
+ROSALIND	I thought thy heart had been wounded with the claws
+	of a lion.
+
+ORLANDO	Wounded it is, but with the eyes of a lady.
+
+ROSALIND	Did your brother tell you how I counterfeited to
+	swoon when he showed me your handkerchief?
+
+ORLANDO	Ay, and greater wonders than that.
+
+ROSALIND	O, I know where you are: nay, 'tis true: there was
+	never any thing so sudden but the fight of two rams
+	and Caesar's thrasonical brag of 'I came, saw, and
+	overcame:' for your brother and my sister no sooner
+	met but they looked, no sooner looked but they
+	loved, no sooner loved but they sighed, no sooner
+	sighed but they asked one another the reason, no
+	sooner knew the reason but they sought the remedy;
+	and in these degrees have they made a pair of stairs
+	to marriage which they will climb incontinent, or
+	else be incontinent before marriage: they are in
+	the very wrath of love and they will together; clubs
+	cannot part them.
+
+ORLANDO	They shall be married to-morrow, and I will bid the
+	duke to the nuptial. But, O, how bitter a thing it
+	is to look into happiness through another man's
+	eyes! By so much the more shall I to-morrow be at
+	the height of heart-heaviness, by how much I shall
+	think my brother happy in having what he wishes for.
+
+ROSALIND	Why then, to-morrow I cannot serve your turn for Rosalind?
+
+ORLANDO	I can live no longer by thinking.
+
+ROSALIND	I will weary you then no longer with idle talking.
+	Know of me then, for now I speak to some purpose,
+	that I know you are a gentleman of good conceit: I
+	speak not this that you should bear a good opinion
+	of my knowledge, insomuch I say I know you are;
+	neither do I labour for a greater esteem than may in
+	some little measure draw a belief from you, to do
+	yourself good and not to grace me. Believe then, if
+	you please, that I can do strange things: I have,
+	since I was three year old, conversed with a
+	magician, most profound in his art and yet not
+	damnable. If you do love Rosalind so near the heart
+	as your gesture cries it out, when your brother
+	marries Aliena, shall you marry her: I know into
+	what straits of fortune she is driven; and it is
+	not impossible to me, if it appear not inconvenient
+	to you, to set her before your eyes tomorrow human
+	as she is and without any danger.
+
+ORLANDO	Speakest thou in sober meanings?
+
+ROSALIND	By my life, I do; which I tender dearly, though I
+	say I am a magician. Therefore, put you in your
+	best array: bid your friends; for if you will be
+	married to-morrow, you shall, and to Rosalind, if you will.
+
+	[Enter SILVIUS and PHEBE]
+
+	Look, here comes a lover of mine and a lover of hers.
+
+PHEBE	Youth, you have done me much ungentleness,
+	To show the letter that I writ to you.
+
+ROSALIND	I care not if I have: it is my study
+	To seem despiteful and ungentle to you:
+	You are there followed by a faithful shepherd;
+	Look upon him, love him; he worships you.
+
+PHEBE	Good shepherd, tell this youth what 'tis to love.
+
+SILVIUS	It is to be all made of sighs and tears;
+	And so am I for Phebe.
+
+PHEBE	And I for Ganymede.
+
+ORLANDO	And I for Rosalind.
+
+ROSALIND	And I for no woman.
+
+SILVIUS	It is to be all made of faith and service;
+	And so am I for Phebe.
+
+PHEBE	And I for Ganymede.
+
+ORLANDO	And I for Rosalind.
+
+ROSALIND	And I for no woman.
+
+SILVIUS	It is to be all made of fantasy,
+	All made of passion and all made of wishes,
+	All adoration, duty, and observance,
+	All humbleness, all patience and impatience,
+	All purity, all trial, all observance;
+	And so am I for Phebe.
+
+PHEBE	And so am I for Ganymede.
+
+ORLANDO	And so am I for Rosalind.
+
+ROSALIND	And so am I for no woman.
+
+PHEBE	If this be so, why blame you me to love you?
+
+SILVIUS	If this be so, why blame you me to love you?
+
+ORLANDO	If this be so, why blame you me to love you?
+
+ROSALIND	Who do you speak to, 'Why blame you me to love you?'
+
+ORLANDO	To her that is not here, nor doth not hear.
+
+ROSALIND	Pray you, no more of this; 'tis like the howling
+	of Irish wolves against the moon.
+
+	[To SILVIUS]
+
+	I will help you, if I can:
+
+	[To PHEBE]
+
+	I would love you, if I could. To-morrow meet me all together.
+
+	[To PHEBE]
+
+	I will marry you, if ever I marry woman, and I'll be
+	married to-morrow:
+
+	[To ORLANDO]
+
+	I will satisfy you, if ever I satisfied man, and you
+	shall be married to-morrow:
+
+	[To SILVIUS]
+
+	I will content you, if what pleases you contents
+	you, and you shall be married to-morrow.
+
+	[To ORLANDO]
+
+	As you love Rosalind, meet:
+
+	[To SILVIUS]
+
+	as you love Phebe, meet: and as I love no woman,
+	I'll meet. So fare you well: I have left you commands.
+
+SILVIUS	I'll not fail, if I live.
+
+PHEBE	Nor I.
+
+ORLANDO	Nor I.
+
+	[Exeunt]
+
+
+
+
+	AS YOU LIKE IT
+
+
+ACT V
+
+
+
+SCENE III	The forest.
+
+
+	[Enter TOUCHSTONE and AUDREY]
+
+TOUCHSTONE	To-morrow is the joyful day, Audrey; to-morrow will
+	we be married.
+
+AUDREY	I do desire it with all my heart; and I hope it is
+	no dishonest desire to desire to be a woman of the
+	world. Here comes two of the banished duke's pages.
+
+	[Enter two Pages]
+
+First Page	Well met, honest gentleman.
+
+TOUCHSTONE	By my troth, well met. Come, sit, sit, and a song.
+
+Second Page	We are for you: sit i' the middle.
+
+First Page	Shall we clap into't roundly, without hawking or
+	spitting or saying we are hoarse, which are the only
+	prologues to a bad voice?
+
+Second Page	I'faith, i'faith; and both in a tune, like two
+	gipsies on a horse.
+
+	SONG.
+	It was a lover and his lass,
+	With a hey, and a ho, and a hey nonino,
+	That o'er the green corn-field did pass
+	In the spring time, the only pretty ring time,
+	When birds do sing, hey ding a ding, ding:
+	Sweet lovers love the spring.
+
+	Between the acres of the rye,
+	With a hey, and a ho, and a hey nonino
+	These pretty country folks would lie,
+	In spring time, &c.
+
+	This carol they began that hour,
+	With a hey, and a ho, and a hey nonino,
+	How that a life was but a flower
+	In spring time, &c.
+
+	And therefore take the present time,
+	With a hey, and a ho, and a hey nonino;
+	For love is crowned with the prime
+	In spring time, &c.
+
+TOUCHSTONE	Truly, young gentlemen, though there was no great
+	matter in the ditty, yet the note was very
+	untuneable.
+
+First Page	You are deceived, sir: we kept time, we lost not our time.
+
+TOUCHSTONE	By my troth, yes; I count it but time lost to hear
+	such a foolish song. God be wi' you; and God mend
+	your voices! Come, Audrey.
+
+	[Exeunt]
+
+
+
+
+	AS YOU LIKE IT
+
+
+ACT V
+
+
+
+SCENE IV	The forest.
+
+
+	[Enter DUKE SENIOR, AMIENS, JAQUES, ORLANDO, OLIVER,
+	and CELIA]
+
+DUKE SENIOR	Dost thou believe, Orlando, that the boy
+	Can do all this that he hath promised?
+
+ORLANDO	I sometimes do believe, and sometimes do not;
+	As those that fear they hope, and know they fear.
+
+	[Enter ROSALIND, SILVIUS, and PHEBE]
+
+ROSALIND	Patience once more, whiles our compact is urged:
+	You say, if I bring in your Rosalind,
+	You will bestow her on Orlando here?
+
+DUKE SENIOR	That would I, had I kingdoms to give with her.
+
+ROSALIND	And you say, you will have her, when I bring her?
+
+ORLANDO	That would I, were I of all kingdoms king.
+
+ROSALIND	You say, you'll marry me, if I be willing?
+
+PHEBE	That will I, should I die the hour after.
+
+ROSALIND	But if you do refuse to marry me,
+	You'll give yourself to this most faithful shepherd?
+
+PHEBE	So is the bargain.
+
+ROSALIND	You say, that you'll have Phebe, if she will?
+
+SILVIUS	Though to have her and death were both one thing.
+
+ROSALIND	I have promised to make all this matter even.
+	Keep you your word, O duke, to give your daughter;
+	You yours, Orlando, to receive his daughter:
+	Keep your word, Phebe, that you'll marry me,
+	Or else refusing me, to wed this shepherd:
+	Keep your word, Silvius, that you'll marry her.
+	If she refuse me: and from hence I go,
+	To make these doubts all even.
+
+	[Exeunt ROSALIND and CELIA]
+
+DUKE SENIOR	I do remember in this shepherd boy
+	Some lively touches of my daughter's favour.
+
+ORLANDO	My lord, the first time that I ever saw him
+	Methought he was a brother to your daughter:
+	But, my good lord, this boy is forest-born,
+	And hath been tutor'd in the rudiments
+	Of many desperate studies by his uncle,
+	Whom he reports to be a great magician,
+	Obscured in the circle of this forest.
+
+	[Enter TOUCHSTONE and AUDREY]
+
+JAQUES	There is, sure, another flood toward, and these
+	couples are coming to the ark. Here comes a pair of
+	very strange beasts, which in all tongues are called fools.
+
+TOUCHSTONE	Salutation and greeting to you all!
+
+JAQUES	Good my lord, bid him welcome: this is the
+	motley-minded gentleman that I have so often met in
+	the forest: he hath been a courtier, he swears.
+
+TOUCHSTONE	If any man doubt that, let him put me to my
+	purgation. I have trod a measure; I have flattered
+	a lady; I have been politic with my friend, smooth
+	with mine enemy; I have undone three tailors; I have
+	had four quarrels, and like to have fought one.
+
+JAQUES	And how was that ta'en up?
+
+TOUCHSTONE	Faith, we met, and found the quarrel was upon the
+	seventh cause.
+
+JAQUES	How seventh cause? Good my lord, like this fellow.
+
+DUKE SENIOR	I like him very well.
+
+TOUCHSTONE	God 'ild you, sir; I desire you of the like. I
+	press in here, sir, amongst the rest of the country
+	copulatives, to swear and to forswear: according as
+	marriage binds and blood breaks: a poor virgin,
+	sir, an ill-favoured thing, sir, but mine own; a poor
+	humour of mine, sir, to take that that no man else
+	will: rich honesty dwells like a miser, sir, in a
+	poor house; as your pearl in your foul oyster.
+
+DUKE SENIOR	By my faith, he is very swift and sententious.
+
+TOUCHSTONE	According to the fool's bolt, sir, and such dulcet diseases.
+
+JAQUES	But, for the seventh cause; how did you find the
+	quarrel on the seventh cause?
+
+TOUCHSTONE	Upon a lie seven times removed:--bear your body more
+	seeming, Audrey:--as thus, sir. I did dislike the
+	cut of a certain courtier's beard: he sent me word,
+	if I said his beard was not cut well, he was in the
+	mind it was: this is called the Retort Courteous.
+	If I sent him word again 'it was not well cut,' he
+	would send me word, he cut it to please himself:
+	this is called the Quip Modest. If again 'it was
+	not well cut,' he disabled my judgment: this is
+	called the Reply Churlish. If again 'it was not
+	well cut,' he would answer, I spake not true: this
+	is called the Reproof Valiant. If again 'it was not
+	well cut,' he would say I lied: this is called the
+	Counter-cheque Quarrelsome: and so to the Lie
+	Circumstantial and the Lie Direct.
+
+JAQUES	And how oft did you say his beard was not well cut?
+
+TOUCHSTONE	I durst go no further than the Lie Circumstantial,
+	nor he durst not give me the Lie Direct; and so we
+	measured swords and parted.
+
+JAQUES	Can you nominate in order now the degrees of the lie?
+
+TOUCHSTONE	O sir, we quarrel in print, by the book; as you have
+	books for good manners: I will name you the degrees.
+	The first, the Retort Courteous; the second, the
+	Quip Modest; the third, the Reply Churlish; the
+	fourth, the Reproof Valiant; the fifth, the
+	Countercheque Quarrelsome; the sixth, the Lie with
+	Circumstance; the seventh, the Lie Direct. All
+	these you may avoid but the Lie Direct; and you may
+	avoid that too, with an If. I knew when seven
+	justices could not take up a quarrel, but when the
+	parties were met themselves, one of them thought but
+	of an If, as, 'If you said so, then I said so;' and
+	they shook hands and swore brothers. Your If is the
+	only peacemaker; much virtue in If.
+
+JAQUES	Is not this a rare fellow, my lord? he's as good at
+	any thing and yet a fool.
+
+DUKE SENIOR	He uses his folly like a stalking-horse and under
+	the presentation of that he shoots his wit.
+
+	[Enter HYMEN, ROSALIND, and CELIA]
+
+	[Still Music]
+
+HYMEN	        Then is there mirth in heaven,
+	When earthly things made even
+	Atone together.
+	Good duke, receive thy daughter
+	Hymen from heaven brought her,
+	Yea, brought her hither,
+	That thou mightst join her hand with his
+	Whose heart within his bosom is.
+
+ROSALIND	[To DUKE SENIOR]  To you I give myself, for I am yours.
+
+	[To ORLANDO]
+
+	To you I give myself, for I am yours.
+
+DUKE SENIOR	If there be truth in sight, you are my daughter.
+
+ORLANDO	If there be truth in sight, you are my Rosalind.
+
+PHEBE	If sight and shape be true,
+	Why then, my love adieu!
+
+ROSALIND	I'll have no father, if you be not he:
+	I'll have no husband, if you be not he:
+	Nor ne'er wed woman, if you be not she.
+
+HYMEN	        Peace, ho! I bar confusion:
+	'Tis I must make conclusion
+	Of these most strange events:
+	Here's eight that must take hands
+	To join in Hymen's bands,
+	If truth holds true contents.
+	You and you no cross shall part:
+	You and you are heart in heart
+	You to his love must accord,
+	Or have a woman to your lord:
+	You and you are sure together,
+	As the winter to foul weather.
+	Whiles a wedlock-hymn we sing,
+	Feed yourselves with questioning;
+	That reason wonder may diminish,
+	How thus we met, and these things finish.
+
+	SONG.
+	Wedding is great Juno's crown:
+	O blessed bond of board and bed!
+	'Tis Hymen peoples every town;
+	High wedlock then be honoured:
+	Honour, high honour and renown,
+	To Hymen, god of every town!
+
+DUKE SENIOR	O my dear niece, welcome thou art to me!
+	Even daughter, welcome, in no less degree.
+
+PHEBE	I will not eat my word, now thou art mine;
+	Thy faith my fancy to thee doth combine.
+
+	[Enter JAQUES DE BOYS]
+
+JAQUES DE BOYS	Let me have audience for a word or two:
+	I am the second son of old Sir Rowland,
+	That bring these tidings to this fair assembly.
+	Duke Frederick, hearing how that every day
+	Men of great worth resorted to this forest,
+	Address'd a mighty power; which were on foot,
+	In his own conduct, purposely to take
+	His brother here and put him to the sword:
+	And to the skirts of this wild wood he came;
+	Where meeting with an old religious man,
+	After some question with him, was converted
+	Both from his enterprise and from the world,
+	His crown bequeathing to his banish'd brother,
+	And all their lands restored to them again
+	That were with him exiled. This to be true,
+	I do engage my life.
+
+DUKE SENIOR	Welcome, young man;
+	Thou offer'st fairly to thy brothers' wedding:
+	To one his lands withheld, and to the other
+	A land itself at large, a potent dukedom.
+	First, in this forest, let us do those ends
+	That here were well begun and well begot:
+	And after, every of this happy number
+	That have endured shrewd days and nights with us
+	Shall share the good of our returned fortune,
+	According to the measure of their states.
+	Meantime, forget this new-fall'n dignity
+	And fall into our rustic revelry.
+	Play, music! And you, brides and bridegrooms all,
+	With measure heap'd in joy, to the measures fall.
+
+JAQUES	Sir, by your patience. If I heard you rightly,
+	The duke hath put on a religious life
+	And thrown into neglect the pompous court?
+
+JAQUES DE BOYS	He hath.
+
+JAQUES	To him will I : out of these convertites
+	There is much matter to be heard and learn'd.
+
+	[To DUKE SENIOR]
+
+	You to your former honour I bequeath;
+	Your patience and your virtue well deserves it:
+
+	[To ORLANDO]
+
+	You to a love that your true faith doth merit:
+
+	[To OLIVER]
+
+	You to your land and love and great allies:
+
+	[To SILVIUS]
+
+	You to a long and well-deserved bed:
+
+	[To TOUCHSTONE]
+
+	And you to wrangling; for thy loving voyage
+	Is but for two months victuall'd. So, to your pleasures:
+	I am for other than for dancing measures.
+
+DUKE SENIOR	Stay, Jaques, stay.
+
+JAQUES	To see no pastime I	what you would have
+	I'll stay to know at your abandon'd cave.
+
+	[Exit]
+
+DUKE SENIOR	Proceed, proceed: we will begin these rites,
+	As we do trust they'll end, in true delights.
+
+	[A dance]
+
+
+
+
+	AS YOU LIKE IT
+
+	EPILOGUE
+
+
+ROSALIND	It is not the fashion to see the lady the epilogue;
+	but it is no more unhandsome than to see the lord
+	the prologue. If it be true that good wine needs
+	no bush, 'tis true that a good play needs no
+	epilogue; yet to good wine they do use good bushes,
+	and good plays prove the better by the help of good
+	epilogues. What a case am I in then, that am
+	neither a good epilogue nor cannot insinuate with
+	you in the behalf of a good play! I am not
+	furnished like a beggar, therefore to beg will not
+	become me: my way is to conjure you; and I'll begin
+	with the women. I charge you, O women, for the love
+	you bear to men, to like as much of this play as
+	please you: and I charge you, O men, for the love
+	you bear to women--as I perceive by your simpering,
+	none of you hates them--that between you and the
+	women the play may please. If I were a woman I
+	would kiss as many of you as had beards that pleased
+	me, complexions that liked me and breaths that I
+	defied not: and, I am sure, as many as have good
+	beards or good faces or sweet breaths will, for my
+	kind offer, when I make curtsy, bid me farewell.
+
+	[Exeunt]
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@@ -0,0 +1,645 @@
+<head>
+<title>Compression Pointers</title>
+<META HTTP-EQUIV="Keywords" CONTENT="compression, compression, compression">
+</head>
+<body>
+<BODY BGCOLOR=#FFFFFF>
+
+<center>
+<H1> Compression Pointers </h1>
+
+
+
+</center>
+
+<p>
+<a href="#Resources">Compression resources</a>, <a href="#Conferences">conferences</a>, and some <a href="#Research">research
+groups and companies</a>, are listed towards the end of this page. <p>
+
+Use this <a href="form.html">handy form</a> to add something to this page, or to simply say you liked this page<i> <img src="new.gif">
+<p>
+
+</i>
+
+
+
+<p>
+
+<h2>What's New?</h2><p>
+
+
+<a href="http://www.teaser.fr/~jlgailly/">Jean-loup Gailly</a> -- <i>Mr. gzip,
+PNG, CCR (1996-06-10)</i>
+<img src="new.gif">
+<br>
+
+<a href="http://www.creative.net/~tristan/MPEG">MPEG Pointers and Resources</a>
+<img src="new.gif">
+<br>
+
+<a href="http://www-isl.stanford.edu/~gray/">Robert M. Gray</a> -- <i>Signal
+compression, VQ, image quality evaluation (1996-04-22)</i><img src="new.gif">
+<br>
+
+<a href="http://www-isl.stanford.edu/~gray/compression.html">Compression and
+Classification Group</a> -- <i>ISL,EE,Stanford (1996-04-22)</i><img src="new.gif">
+<br>
+
+<a href="http://www-isl.stanford.edu/~gray/iii.html">Signal Processing
+and the International Information Infrastructure</a> -- <i>Web sites (1996-04-22)</i> <img src="new.gif">
+<br>
+
+<a href="http://www.cs.sc.edu:80/~valenta/">Valenta, Vladimir</a> -- <i>(1996-04-22)</i>
+<br>
+
+
+<a href="http://patpwww.epfl.ch:80/~jordan/Subjects/Parallel/parallel.html">Jordan, Frederic</a> -- <i>Parallel Image Compression (1996-04-12)</i> <img src="new.gif">
+<br>
+<a href="http://www.garlic.com/biz/eotek">Electro-Optical Technologies, Inc.</a> -- <i>Consultant (1996-04-12)</i> <img src="new.gif">
+<br>
+<a href="http://quicktime.apple.com">quicktime.apple.com</a> -- <i>Quicktime site (1996-03-11)</i> <img src="new.gif">
+<br>
+<a href="http://www.chips.ibm.com/products/aldc/index.html">IBM Hardware</a> -- <i>Compression chips (1996-03-11)</i> <img src="new.gif">
+<br>
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+<!---
+
+<img src="new.gif"><i>Do you have, or know of, a research position where an image compression guru with a Ph.D. would feel at
+home?  Let me know if you do...<a
+href="mailto:singlis@cs.waikato.ac.nz"><b>send me some email!</b></a>, or <a
+href="http://www.cs.waikato.ac.nz/~singlis/cv.html"><b>check out my
+c.v.</b>
+</a>
+</i>
+
+-->
+
+<p>
+
+
+<p>
+
+
+<h2><i>People</i></h2>
+<h2>A</h2>
+
+<a href="http://quest.jpl.nasa.gov/Mark.Adler/">Adler, Mark</a> -- <i>Info-ZIP; Zip, UnZip, gzip and zlib co-author; PNG group</i>
+<p>
+
+<h2>B</h2>
+
+<a href="http://www.eese.qut.edu.au/~mbaker/">Baker, Matthew</a> -- <i>Region based video compression</i>
+<p>
+<a href="http://www.eecs.wsu.edu/~bamberg/">Bamberger, Roberto H.</a>
+<p>
+<a href="http://sutherland.eese.qut.edu.au/~dbell">Bell, Daniel</a> -- <i>Region based image compression</i>
+<p>
+<a href="http://www.cosc.canterbury.ac.nz/~tim">Bell, Tim</a> -- <i>compression, computer science for children, and computers and music.</i>
+<p>
+<a href="http://www.polytechnique.fr/poly/~bellard/">Bellard, Fabrice</a> -- <i>Author of LZEXE</I>
+<p>
+<a href="http://www.cevis.uni-bremen.de/~willy/">Berghorn, Willy </a>
+<p>
+<a href="http://www.best.com/~bhaskara">Bhaskaran, Vasudev</a> -- <i>Image and Video compression</i>
+<p>
+<a href="http://wwwvms.utexas.edu/~cbloom/index.html">Bloom, Charles</a> -- <i>text compression, LZ methods, PPM methods...</i>
+<p>
+<a href="http://www.ime.usp.br/~rbrito">Brito, Roger</a> -- <i>Arithmetic Coding, LZW, Text Compression</i>
+<p>
+<a href="http://www.engineering.usu.edu/ece/faculty/scottb.html">Budge, Scott E.</a> -- <i>medical/lossy image compression</i>
+<p>
+<a href="http://www.elec.uow.edu.au/people/staff/burnett/biography.html">Burnett, Ian</a> -- <i>Speech coding, prototype waveform techniques</I> <img src="new.gif">
+<p>
+
+
+<h2>C</h2>
+
+<a href="http://gabor.eecs.berkeley.edu/~wychan/">Chan, Christopher</a> -- <i>universal lossy source coding, adaptive VQ</i>
+<p>
+<a href="http://www.compsci.com/~chao">Chao, Hong-yang</a> -- <I>Lightning strike image compressor </i>
+<p>
+<a href="http://monet.uwaterloo.ca:80/schao/">Chao, Stewart</a>
+<p>
+<a href="http://diana.ecs.soton.ac.uk/~pjc94r/">Cherriman, Peter</a>
+<p>
+<a href="http://www-video.eecs.berkeley.edu/erl/sccheung.html">Cheung, S.C.</a> -- <i>Scalable video compression algorithms (18th Feb 1996)</i> <img src="new.gif">
+<p>
+
+<a href="http://etro.vub.ac.be/chchrist.html">Christopoulos, Charilaos</a> -- <i> Image and Video compression </i>
+<p>
+<a href="http://sipi.usc.edu/~chrysafi/">Chrysafis, Christos</a>
+<p>
+<a href="http://www.ee.gatech.edu/research/DSP/students/wchung/index.html">Chung, Wilson C.</a> -- <i>R-D image and video coding, subband/wavelet, filter banks</i>
+<p>
+<a href="mailto:aclark@hayes.com">Clark, Alan</a> -- <i>primary contact for V.42bis. Developed BTLZ variant of LZW</i>
+<p>
+<a href="http://www.cs.waikato.ac.nz/cs/Staff/jgc.html">Cleary, John</a> -- <i>PPM, PPM*, K*</i>
+<p>
+<a href="http://www.cs.brandeis.edu/dept/faculty/cohn/">Cohn, Martin</a>
+<p>
+
+<a href="http://plg.uwaterloo.ca/~gvcormac">Cormack, Gordon V.</a> -- <I>DMC</i>
+<p>
+<a href="http://www.ee.duke.edu/~cec/index.html">Cramer, Chris</a> -- <i>neural network image compression</i>
+<p>
+
+<h2>D</h2>
+<a href="http://www.cs.dartmouth.edu/~jmd/">Danskin, John</a> -- <i>Protocol compression, document compression (9th Feb 1996)</i>
+<p>
+<a href="http://www.cs.dartmouth.edu/~gdavis">Davis, Geoff</a> -- <i>wavelets, image compression, medical</i>
+<p>
+<a href="http://www-mddsp.enel.ucalgary.ca/People/adilger/">Dilger, Andreas</a> -- <i>fractal block coding of video sequences</i>
+<p>
+
+
+<h2>E</h2>
+<a href="http://info.cipic.ucdavis.edu/~estes/index.html">Estes, Robert</a>
+<p>
+
+
+
+<h2>F</h2>
+<a href="http://inls.ucsd.edu/y/Fractals/">Fisher, Yuval</a> -- <i>Fractal Image Compression</i>
+<p>
+<a href="http://www.wmin.ac.uk/~ajoec1/homepage.html">Ford, Adrian</a> -- <i>Subjective and Objective Compression quality (5th Mar 1996)</i> <img src="new.gif">
+<p>
+
+<h2>G</h2>
+<a href="http://www.teaser.fr/~jlgailly/">Jean-loup Gailly</a> --
+<i>Mr. gzip, PNG, CCR (1996-06-10)</i>
+<p>
+
+<a href="http://www.ece.ucsb.edu/faculty/gersho/default.html">Gersho, Allen</a> -- <i>Vector Quantisation, Image Compression</i>
+<p>
+<a href="http://life.anu.edu.au/ci/vol1/goertzel.html">Goertzel, Ben</a>
+<p>
+<a href="http://info.lut.ac.uk/departments/el/research/sys/compression.html">Gooch, Mark</a> -- <i>High Performance Hardware Compression (7th Feb 1996)</i>
+<p>
+<a href="http://robotics.eecs.berkeley.edu/~vkgoyal/">Goyal, Vivek</a> -- <i>overcomplete representations, adaptive transform coding, VQ</i>
+<p>
+<a href="http://www-isl.stanford.edu/~gray/">Robert M. Gray</a> -- <i>Signal
+compression, VQ, image quality evaluation</i><img src="new.gif">
+<p>
+
+<h2>H</h2>
+<a href="http://cork.informatik.uni-wuerzburg.de/mitarbeiter/ulli">Hafner, Ullrich</a> -- <i>WFA image compression</i>
+<p>
+<a href="http://www.ics.uci.edu/~dan/">Hirschberg, Dan</a> -- <i>algorithm theory, compression</i>
+<p>
+<a href="http://wolfpack.larc.nasa.gov/holland.html">Holland, Scott</a>
+<p>
+<a href="http://www.csc.uvic.ca/home/nigelh/nigelh.html">Horspool, R. Nigel</a> -- <i>text compression, ECG compression</i>
+
+<h2>I</h2>
+<a href="http://www.cs.waikato.ac.nz/~singlis">Inglis, Stuart</a> -- <i>image compression, OCR, lossy/lossless document compression</I>
+<p>
+
+<h2>J</h2>
+<a href="http://www.cs.uiowa.edu/~jones/compress/index.html">Jones, Douglas</a> -- <i>splay-tree based compression and encryption</i>
+<p>
+<a href="http://info.lut.ac.uk/departments/el/research/sys/compression.html">Jones, Simon</a> -- <i>Lossless compression, High Performance Hardware (7th Feb 1996) </i>
+<p>
+<a href="http://patpwww.epfl.ch:80/~jordan/Subjects/Parallel/parallel.html">Jordan, Frederic</a> -- <i>Parallel Image Compression (12th April 1996)</i> <img src="new.gif">
+<p>
+<a href="mailto:robjung@world.std.com">Jung, Robert K.</a> -- <i><a href="http://www.info.fundp.ac.be/~fta/arj.html">ARJ</a> </i>
+<p>
+<a href="http://www.cs.tu-berlin.de/~jutta/toast.html">jutta</a>
+<p>
+
+
+
+<h2>K</h2>
+<a href="http://links.uwaterloo.ca">Kominek, John</a> -- <I>Fractal and spline based compression</i>
+<p>
+<a href="http://info.lut.ac.uk/departments/el/research/sys/elmk3.html">Kjelso, Morten</a> -- <i>Main memory compression, High performance hardware</i>
+<p>
+<a href="http://wwwcip.informatik.uni-erlangen.de/user/mskuhn">Kuhn, Markus</a> -- <i>JBIG implementation</i> <img src="new.gif">
+<p>
+<a href="http://sipi.usc.edu/faculty/Kuo.html">Kuo, C.-C. Jay</a>
+<p>
+<a href="http://kaarna.cc.jyu.fi:80/~kuru/">Kuru, Esa</a>
+<p>
+<a href="http://www.prz.tu-berlin.de:80/~teo/">Kyfonidis, Theodoros</a>
+<p>
+
+<h2>L</h2>
+<a href="http://www.icsi.berkeley.edu/~lampart/">Lamparter, Bernd</a>
+<p>
+<a href="http://www.cse.ucsc.edu/cgi-bin/faculty?langdon">Langdon, Glen</a>
+<p>
+<a href="http://www.dna.lth.se/~jesper/">Larsson, Jesper</a> -- <i>algorithms and data structures, text compression</i> <img src="new.gif">
+<p>
+
+
+<h2>M</h2>
+<a href="http://glimpse.cs.arizona.edu:1994/udi.html">Manber, Udi</a>
+<p>
+<a href="http://www.elec.rma.ac.be/~jma/compression.html">Mangen, Jean-Michel</a> -- <i>image compression, wavelets, satellite</I>
+<p>
+<a href="http://www.cs.mu.oz.au/~alistair">Moffat, Alistair</a> -- <i>text and index compression, coding methods, information retrieval, document databases</i>
+<p>
+<a href="http://deskfish.cs.titech.ac.jp/squish/squish_index.html">Montgomery, Christopher</a> -- <i>OggSquish, audio compression</i>
+<p>
+<a href="mailto:umueller@amiga.physik.unizh.ch">Mueller, Urban Dominik</a> -- <i>XPK system</I>
+<p>
+<h2>N</h2>
+<a href="ftp://ai.toronto.edu/pub/radford/www/index.html">Neal, Radford</a>
+<p>
+<a href="http://www.cs.waikato.ac.nz/~cgn">Nevill-Manning, Craig</a>
+<p>
+<a href="http://phoenix.bath.ac.uk/jez/jez.html">Nicholls, Jeremy</a>
+<p>
+<a href="http://www.acti.com/matt/">Noah, Matt</a> -- <i>speech, ATC, ACELP and IMBE</i>
+<p>
+<a href="http://www.eecs.wsu.edu/~vnuri/">Nuri, Veyis</a> -- <i>wavelets, data compression, DSP (speech & image)</I>
+
+<h2>O</h2>
+<a href="ftp://replicant.csci.unt.edu/pub/oleg/README.html">Oleg</a> -- <i>Lots of code</i>
+<p>
+<a href="http://sipi.usc.edu/faculty/Ortega/Ortega.html">Ortega, Antonio</a> -- <i>Video compression, Packet video, Adaptive quantization</i>
+<p>
+<a href="http://www.cs.dartmouth.edu:80/~cowen/">Owen, Charles</a>
+<p>
+
+<h2>P</h2>
+<a
+href="http://www-mddsp.enel.ucalgary.ca/People/provine/compression.html">Provine,
+Joseph</a> -- <i>Model based coding</i>
+<p>
+
+<h2>R</h2>
+<a href="http://monet.uwaterloo.ca/~john/btpc.html">Robinson, John</a> -- <i>Binary Tree Predictive Coding</i>
+<p>
+<a href="http://quest.jpl.nasa.gov/Info-ZIP/people/greg/">Roelofs, Greg</a> -- <i>Info-ZIP; primary UnZip author; PNG group</i>
+<p>
+<a href="http://www.ece.ucsb.edu/faculty/rose/default.html">Rose, Kenneth</a>
+<p>
+<a href="http://www.nettuno.it/fiera/telvox/telvox.htm">Russo, Roberto Maria</a> -- <I>Multiplatform Data Compression</i>
+<p>
+
+<h2>S</h2>
+<a href="http://harc.edu:80/~schmidt/">Schmidt, Bill</a>
+<p>
+<a href="http://koa.ifa.hawaii.edu/~shaw/shaw.html">Shaw, Sandy C.</a>
+<p>
+<a href="http://www.comm.toronto.edu/~kamran/kamran.html">Sharifi, Kamran</a> -- <i>Video over ATM networks</i>
+<p>
+<a href="http://calypso.unl.edu/~sunil/">Shende, Sunil M.</a>
+<p>
+<a href="http://viewprint2.berkeley.edu/KleinLab/Amnon/Amnon.html">Silverstein, D. Amnon</a>
+<p>
+<a href="http://www-plateau.cs.berkeley.edu/people/smoot">Smoot, Steve</a> -- <i>MPEG</i>
+<p>
+<a href="http://www.cs.brandeis.edu/dept/faculty/storer/">Storer, James A.</a>
+<p>
+<a href="http://rice.ecs.soton.ac.uk/index.html">Streit, Jurgen</a> -- <i>Low bitrate coding</i>
+<p>
+<a href="http://www_nt.e-technik.uni-rostock.de/~ts/index.html">Strutz, Tilo</a> -- <i>Wavelet image compressor, demonstration execs</i> <img src="new.gif">
+<p>
+
+
+<h2>T</h2>
+<a href="http://zaphod.csci.unt.edu:80/~srt/">Tate, Steve</a>
+<p>
+<a href="http://www.cs.waikato.ac.nz/~wjt">Teahan, Bill</a> -- <i>PPM, PPM*, master of the Calgary Corpus</i>
+<p>
+<a href="http://lightning.eee.strath.ac.uk/~duncan/">Thomson, Duncan</a> -- <i>ECG compression with ANNs</i>
+<p>
+<a href="http://outside.gsfc.nasa.gov/GRSS/">Tilton, James C.</a>
+<p>
+<a href="http://www.uni-karlsruhe.de/~un55/">Tomczyk, Marek</a>
+<p>
+<a href="http://munkora.cs.mu.oz.au/~aht">Turpin, Andrew</a> -- <i>Prefix Codes</i>
+<p>
+
+<h2>V</h2>
+<a href="http://gabor.eecs.berkeley.edu/~martin/">Vetterli, Martin</a> -- <i>wavelets, subband coding, video compression, computational complexity</i>
+<p>
+<a href="http://www.cs.duke.edu/~jsv/HomePage.html">Vitter, Jeff</a>
+<p>
+<a href="http://www.eee.strath.ac.uk/~stathis/home.html">Voukelatos, Stathis</a>
+<p>
+<a href="http://www.xs4all.nl/~aipnl">de Vries, Nico</a> -- <i>AIP-NL, UltraCompressor II development</i> <img src="new.gif">
+<p>
+
+<h2>W</h2>
+
+<a href="http://ipcl.ee.queensu.ca/wareham/wareham.html">Wareham, Paul</a> -- <i>Region-oriented video coding</I>
+<p>
+<a href="mailto://Wegs59@aol.com">Wegener, Al</a> -- <i>DSP, lossless audio compression and AC-2</i>
+<p>
+<a href="http://www-dsp.rice.edu:80/~weid/">Wei, Dong</a> -- <i>Wavelet compression</i>
+<p>
+<a href="http://www.rocksoft.com/~ross">Williams, Ross</a>
+<p>
+<a href="http://www.cs.waikato.ac.nz/~ihw">Witten, Ian</a> -- <i>PPM, mg, arithmetic coding</i>
+<p>
+<a href="http://www.sees.bangor.ac.uk/~gerry/sp_summary.html">Wolff, Gerry</a>
+<p>
+<a href="http://sipi.usc.edu/~wwoo/">Woo, Woon-Tack</a> -- <i>stereo image and video compression (12th Feb 1996)</i>
+<p>
+<a href="http://www.csd.uwo.ca/faculty/wu/">Wu, Xiaolin</a> -- <i>CALIC</i>
+<P>
+
+
+<h2>Z</h2>
+<a href="http://www.cs.rmit.edu.au/~jz">Zobel, Justin</a> -- <i>index compression, database compression</i>
+<p>
+
+<br>
+<br>
+
+
+<a name="Conferences">
+
+<h2><i>Conferences</i></h2>
+<a href="http://www.cs.brandeis.edu:80/~dcc/index.html"><b>Data Compression Conference (DCC), Snowbird, Utah, USA.</b></a><br>
+<p>
+
+<a name="Resources">
+
+<h2><i>Resources</i></h2>
+<dt>
+<i><b>Where to get answers...</b></i>
+<dd>
+<dd><a href="http://info.itu.ch/">International Telecommunication Union (ITU)</a> -- <i>standards documents (CCITT)</i>
+<br>
+<dd><a href="http://www.cis.ohio-state.edu/hypertext/faq/usenet/compression-faq/top.html">comp.compression -- Frequently Asked Questions</a> -- <i>Come here 1st!</i>
+<dd>
+<a href="http://www.cis.ohio-state.edu/hypertext/faq/usenet/jpeg-faq/faq.html">JPEG - Frequently Asked Questions</a>
+<dd>
+<a href="http://www.crs4.it/HTML/LUIGI/MPEG/mpegfaq.html">MPEG - Frequently Asked Questions</a>
+<dd>
+<a href="ftp://rtfm.mit.edu:/pub/usenet/news.answers/standards-faq">Standards - Frequenty Asked Questions</a>
+<dd>
+<a href="news:comp.compression.research">usenet newsgroup: comp.compression.research</a>
+<br>
+<dd>
+<a href="http://www.mi.net/act/act.html">Archive Compression Test</a> -- <i>Summary of all archivers</i>
+<br>
+<dd>
+<a href="http://dip1.ee.uct.ac.za/fractal.bib.html">Fractal compression bibliography</a> -- <i>bibtex file</i>
+<br>
+<dd>
+<a href="http://goethe.ira.uka.de/edu/proseminar.html">LZ/Complexity Seminars</a> -- <i>(in German)</i>
+<br>
+<dd>
+<a href="http://www.cs.waikato.ac.nz/~singlis/ratios.html">Comparitive Compression Ratios</a> -- <i>Sofar...B&W, Gray Scale, Text Compression</i>
+<br>
+<dd>
+<a href="http://www.cs.ucl.ac.uk/mice/mpeggloss.html">VCN (Video, Compression, Networking)
+Glossary</a>
+<br>
+<dd>
+<a href="http://www.cs.waikato.ac.nz/~nzdl/">Digital Library -- search for compression</a>
+<br>
+</dt>
+
+<br>
+<dt>
+<i><b>Reports/Ph.D. Theses</b></i>
+<dd>
+<a href="http://www.cs.brown.edu/publications/techreports/reports/CS-93-28.html">Paul Howards Ph.D. thesis</a><br>
+<dd><i>The Design and Analysis of Efficient Lossless Data Compression Systems</i>
+<br>
+</dt>
+
+
+
+<br>
+<dt>
+<i><b>Source code</b></i>
+<dd>
+<a href="ftp://munnari.oz.au/pub/arith_coder">Arithmetic coding routines</a>
+<dd><i>&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp(from Moffat, Neal and Witten, Proc. DCC, April 1995)</i>
+<br>
+<dd>
+<a href="ftp://ftp.cpsc.ucalgary.ca/pub/projects/ar.cod">CACM Arithmetic coding package</a>
+<dd><i>&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp(Witten, Neal and Cleary, CACM 30:520-541, June 1987)</i>
+<br>
+<dd>
+<a href="ftp://nic.funet.fi/pub/graphics/misc/test-images/jbig.tar.gz">JBIG Source code</a> <i>Includes a Q-coder</i>
+<br>
+<dd><a href="http://wwwcip.informatik.uni-erlangen.de/user/mskuhn">Markus Kuhn's JBIG implementation</a>
+<br>
+<dd>
+<a href="ftp://media-lab.media.mit.edu/pub/k-arith-code/">k-arithmetic coder</a>
+<br>
+<dd>
+<a href="ftp://garbo.uwasa.fi/pc/programming/lds_11.zip">Lossless Data Compression toolkit 1.1</a>
+<br>
+<dd>
+<a href="http://www.cs.uiowa.edu/~jones/compress/index.html">Splay Trees Code</a> -- <i>by Douglas W. Jones</i>
+<br>
+<dd><a href="ftp://ftp.cl.cam.ac.uk/users/djw3">Block compression code</a> -- <i>Excellent text compressor</i>
+<br>
+
+</dt>
+
+<br>
+<dt>
+<i><b>Test Files</b></i>
+<dd>
+<a href="ftp://nic.funet.fi/pub/graphics/misc/test-images/">Test Images</a> -- <i>CCITT images (pbm), Lena etc. (Sun raster)</i>
+<br>
+<dd>
+Stockholm test images -- <i>You have to buy a CDROM, thats all I know! :-(</i>
+<dd>&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp mail me at <a href="mailto:singlis@cs.waikato.ac.nz">singlis@cs.waikato.ac.nz</a> if you know anything about them.
+<br>
+<dd>
+<a href="ftp://ftp.cpsc.ucalgary.ca/pub/projects/text.compression.corpus/">Calgary Text Compression Corpus</a><i> (Text Compression, Bell, Cleary and Witten, 1990)</i>
+<br>
+</dt>
+
+<br>
+
+<a name="Research">
+
+
+<h2><i>Research Projects, Standards & Companies</i></h2>
+
+<p>
+<dt>
+<i><b>Research/Free software Groups</b></i>
+<dd><a href="http://www-isl.stanford.edu/~gray/compression.html">Compression and
+Classification Group</a> -- <i>ISL,EE,Stanford (22th April 1996)</i><img src="new.gif">
+
+<dd><a href="http://www.bonzi.com">Voice email</a> -- <i>Lossless audio compression (18th Feb 1996)</i>
+
+
+<dd><a href="http://www.garlic.com/biz/eotek">Electro-Optical Technologies, Inc.</a> -- <i>Consultant (12th April 1996)</i> <img src="new.gif">
+
+<dd><a href="http://quicktime.apple.com">quicktime.apple.com</a> -- <i>Quicktime site (11th Mar 1996)</i>
+
+<dd><a href="http://www.atinternet.fr/image/">IMAGE etc.</a> -- <i>Commercial image compression software (Fractals/Wavelets) (29th Feb 1996)</i> <img src="new.gif">
+
+<dd><a href="http://re7alpha.epm.ornl.gov/CcmDemo/">NCAR CCM Compression and Visualisation</a> -- <i>(18th Feb 1996)</i> <img src="new.gif">
+<br>
+<dd><a href="http://ipl.rpi.edu/SPIHT/">SPIHT</a> -- <I>Wavelet Natural Image Compressor (12th Feb 1996)</i> <img src="new.gif">
+<br>
+<dd><a href="http://info.lut.ac.uk/departments/el/research/sys/compression.html">Real-Time Lossless Compression Systems</a> -- <i>Loughborough University</i> <img src="new.gif">
+<br>
+<dd><a href="http://saigon.ece.wisc.edu/~waveweb/QMF.html">Web site for Multirate Signal Processing</a> -- <i>University of Wisconsin, Madison</i>
+<br>
+<dd><a href="http://quest.jpl.nasa.gov/Info-ZIP/">Info-ZIP</a> -- <i>free,
+portable Zip and UnZip utilities</i>
+<br>
+<dd><a href="http://cesdis.gsfc.nasa.gov/">CEDIS</a> -- <i>NASA, Maryland, Image/data compression</i>
+<br>
+<dd><a href="http://www.c3.lanl.gov/~brislawn/ftp.html">CIC-3 Image Compression</a> -- <i>FBI Fingerprints</i>
+<br>
+<dd><a href="http://rainbow.ece.ucsb.edu/scl.html">Signal Compression Lab at UCSB</a>
+<br>
+<dd><a href="http://isdl.ee.washington.edu/COMPRESSION/homepage.html">University of
+Washington compression lab</a> -- <I>VQ, Wavelets, Shlomo</i>
+<br>
+</dt>
+
+
+<p>
+<dt>
+<i><b>Snippets</b></i>
+<dd><a href="http://www-isl.stanford.edu/~gray/iii.html">Signal Processing
+and the International Information Infrastructure</a> -- <i>Web sites (22th April 1996)</i> <img src="new.gif">
+<dd><a href="http://www.scu.edu.au/ausweb95/papers/management/vanzyl/">Increasing Web bandwith</a> -- <i>comparing GIF, JPEG, Fractal compression</i>
+<br>
+<dd><a href="http://www.yahoo.com/Art/Computer_Generated/Fractals">Fractal Links on Yahoo</a>
+<br>
+<dd><a href="http://www.ddj.com/old/ddjw001d.htm">Digital Speech Compression GSM 06.10 RPE-LTP</a> -- <i>DDJ</i>
+<br>
+<dd><a href="http://www.crc.ricoh.com/CREW/">CREW</a> -- <i>Continuous tone loss(y/less) wavelet compression</i>
+<br>
+<dd><a href="ftp://ftp.csd.uwo.ca/pub/from_wu/">CALIC -- Context-based adaptive lossless image compressor</a>
+<br>
+<dd><a href="http://www-plateau.cs.berkeley.edu/mpeg/index.html">Berkeley MPEG</a> -- <i>MPEG tools</i>
+<br>
+<dd><a href="http://www.creative.net/~tristan/MPEG">MPEG Pointers and Resources</a>
+<BR>
+</dt>
+
+
+
+
+
+<p>
+<dt>
+<i><b>Wavelets</b></i>
+<dd>
+<a href="http://www.cis.upenn.edu/~eero/epic.html">
+     EPIC (Efficient Pyramid Image Coder)</a> -- <i>by Eero Simoncelli</i>
+<br>
+<dd>
+<a href="mailto://72234.2617@compuserve.com">Tucker, Michael</a> -- <i>FASTWAVE, audio/image compression</i>
+<br>
+<dd>
+<a href="http://www.harc.edu">HARC</a> -- <i>Lossy Wavelet Compression technology</i>
+<br>
+<dd>
+<a href="http://gabor.eecs.berkeley.edu/">UC Berkeley Wavelet Group</a>
+<br>
+<dd>
+<a href="http://www.c3.lanl.gov/~cjhamil/Wavelets/main.html">Khoros Wavetlet and Compression Toolbox</a>
+<br>
+<dd>
+<a href="http://arabigo.math.scarolina.edu:80/~wavelet/">The Wavelet Digest</a>
+<br>
+<dd>
+<a href="http://jazz.rice.edu/publications.html">Rice DSP Publications Archive</a> -- <i>Wavelets, Time Frequency/Scale</i>
+<br>
+</dt>
+
+<p>
+<dt>
+<i><b>Fractals</b></i>
+<dd>
+<a href="http://inls.ucsd.edu/y/Fractals/">Fractal Image Compression</a> -- <i>Software, Pointers, Conferences</i>
+<br>
+<dd>
+<a href="http://www.fractal.com/">Fractal Design Corporation</a>
+<br>
+<dd>
+<a href="http://www.webcom.com/~verrando/university/ifs.html">New Fractal Image Compression program</a>
+<br>
+</dt>
+
+<p>
+<dt>
+<i><b>Companies</b></i>
+<dd><a href="http://www.chips.ibm.com/products/aldc/index.html">IBM Hardware</a> -- <i>Compression chips (11th Mar 1996)</i> <img src="new.gif">
+
+<dd><a href="http://www.summus.com">Summus Wavelet Technology</a> -- <i>Wavelet image and video compressors (11th Mar 1996)</i> <img src="new.gif">
+<dd><a href="http://www.mitsubishi.co.jp/jp/fractal/fractal.html">Fractal Image Compression</a> -- <I>Mitsubishi (18th Feb 1996)</i> <img src="new.gif">
+
+<dd><a href="http://www.terran-int.com/">Terran Interactive</a> -- <i>Video compression for the Mac (1st Feb 1996)</i> <img src="new.gif">
+<br>
+
+<dd><a href="http://darvision.kaist.ac.kr/dvmpeg.html">DV Mpeg</a> -- <i>Windows drivers (18th Feb 1996)</I> <img src="new.gif">
+<br>
+
+<dd><a href="http://www.crawford.com/cs/welcome.html">Crawford Compression Services</a> -- <i>MPEG post-production (18th Feb 1996)</i> <img src="new.gif">
+<br>
+
+<dd><a href="http://www.shore.net/~ict">Intelligent Compression Technologies</a> <i>(18th Feb 1996)</i> <img src="new.gif">
+<br>
+
+<dd><a href="http://www.jpg.com">Pegasus Imaging</a> -- <i>Compression software/dev. kits (12th Feb 1996)</i> <img src="new.gif">
+<br>
+<dd><a href="http://www.aladdinsys.com/">Aladdin Systems</a> -- <i>StuffIt compression products</i>
+<br>
+<dd><a href="http://www.stac.com/">Stac Electronics</a>
+<br>
+<dd><a href="http://www.ccinet.ab.ca/dcp.html">DCP Research</a> -- <i>Hardware solutions</i>
+<br>
+<dd><a href="http://www.aware.com/product_info/compression_overview.html">Aware Inc.</a> -- <i>Specialised compression company</i>
+<br>
+<dd><a href="http://www.inria.fr/rodeo/ivs.html">IVS - INRIA Videoconferencing System</a>
+<br>
+<dd><a href="http://sp25.ianus.cineca.it/telvox/telvoxen.htm">Telvox Teleinformatica</a> -- <i>Multiplatform Data Compressor</i>
+<br>
+<dd><a href="http://www.compression.com">Compression Technologies,
+Inc</a> -- <i>Canada</i>
+<br>
+<dd><a href="http://www.optivision.com/">Optivision</a> -- <i>MPEG</i>
+<br>
+<dd><a href="http://www.pkware.com/">PKWARE</a> -- <i>Makers of PKZIP</i>
+<br>
+<dd><a href="http://www.infoanalytic.com/tayson/index.html">Multimedia Imaging Services</a>
+<br>
+</dt>
+
+<p>
+<dt>
+<i><b>Audio compression</b></i>
+<dd><a href="http://www.iis.fhg.de/departs/amm/index.html"> Fraunhofer Institut f�r Integrierte Schaltungen</a>
+<br>
+<dd><a href="http://svr-www.eng.cam.ac.uk/~ajr/speechCoding.html">Shorten</a>
+<br>
+<dd><a href="http://www.ddj.com/old/ddjw001d.htm">digital speech compression</a>
+<br>
+<dd><a href="http://www.cs.tu-berlin.de/~phade/audiowww.html">Audio compression references</a>
+<br>
+<dd><a href="http://www.fourmilab.ch/speakfree/windows/doc/compress.html">SpeakFreely - compression</a>
+<br>
+<dd><a href="http://www.fourmilab.ch/speakfree/windows/speak_freely.html#contents">SpeakFreely - Contents</a>
+<br>
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/fields.c b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/fields.c
new file mode 100644
index 0000000..63cdc03
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/fields.c
@@ -0,0 +1,431 @@
+#ifndef lint
+static char Rcs_Id[] =
+    "$Id: fields.c,v 1.7 1994/01/06 05:26:37 geoff Exp $";
+#endif
+
+/*
+ * $Log: fields.c,v $
+ * Revision 1.7  1994/01/06  05:26:37  geoff
+ * Get rid of all references to System V string routines, for portability
+ * (sigh).
+ *
+ * Revision 1.6  1994/01/05  20:13:43  geoff
+ * Add the maxf parameter
+ *
+ * Revision 1.5  1994/01/04  02:40:21  geoff
+ * Make the increments settable (field_line_inc and field_field_inc).
+ * Add support for the FLD_NOSHRINK flag.
+ *
+ * Revision 1.4  1993/09/27  17:48:02  geoff
+ * Fix some lint complaints and some parenthesization errors.
+ *
+ * Revision 1.3  1993/09/09  01:11:11  geoff
+ * Add a return value to fieldwrite.  Add support for backquotes and for
+ * unstripped backslashes.
+ *
+ * Revision 1.2  1993/08/26  00:02:50  geoff
+ * Fix a stupid null-pointer bug
+ *
+ * Revision 1.1  1993/08/25  21:32:05  geoff
+ * Initial revision
+ *
+ */
+
+#include <stdio.h>
+#include "config.h"
+#include "fields.h"
+
+field_t *	fieldread P ((FILE * file, char * delims,
+				  int flags, int maxf));
+				/* Read a line with fields from a file */
+field_t *	fieldmake P ((char * line, int allocated, char * delims,
+				  int flags, int maxf));
+				/* Make a field structure from a line */
+static field_t * fieldparse P ((field_t * fieldp, char * line, char * delims,
+				  int flags, int maxf));
+				/* Parse the fields in a line */
+static int	fieldbackch P ((char * str, char ** out, int strip));
+				/* Process backslash sequences */
+int		fieldwrite P ((FILE * file, field_t * fieldp, int delim));
+				/* Write a line with fields to a file */
+void		fieldfree P ((field_t * fieldp));
+				/* Free a field returned by fieldread */
+
+unsigned int	field_field_inc = 20; /* Increment to increase # fields by */
+unsigned int	field_line_inc = 512; /* Incr to increase line length by */
+
+#ifndef USG
+#define strchr	index
+#endif /* USG */
+
+extern void	free ();
+extern char *	malloc ();
+extern char *	realloc ();
+extern char *	strchr ();
+extern int	strlen ();
+
+/*
+ * Read one line of the given file into a buffer, break it up into
+ * fields, and return them to the caller.  The field_t structure
+ * returned must eventually be freed with fieldfree.
+ */
+field_t * fieldread (file, delims, flags, maxf)
+    FILE *		file;	/* File to read lines from */
+    char *		delims;	/* Characters to use for field delimiters */
+    int			flags;	/* Option flags;  see fields.h */
+    int			maxf;	/* Maximum number of fields to parse */
+    {
+    register char *	linebuf; /* Buffer to hold the line read in */
+    int			linemax; /* Maximum line buffer size */
+    int			linesize; /* Current line buffer size */
+
+    linebuf = (char *) malloc (field_line_inc);
+    if (linebuf == NULL)
+	return NULL;
+    linemax = field_line_inc;
+    linesize = 0;
+    /*
+     * Read in the line.
+     */
+    while (fgets (&linebuf[linesize], linemax - linesize, file)
+      != NULL)
+	{
+	linesize += strlen (&linebuf[linesize]);
+	if (linebuf[linesize - 1] == '\n')
+	    break;
+	else
+	    {
+	    linemax += field_line_inc;
+	    linebuf = (char *) realloc (linebuf, linemax);
+	    if (linebuf == NULL)
+		return NULL;
+	    }
+	}
+    if (linesize == 0)
+	{
+	free (linebuf);
+	return NULL;
+	}
+    return fieldmake (linebuf, 1, delims, flags, maxf);
+    }
+
+field_t * fieldmake (line, allocated, delims, flags, maxf)
+    char *		line;	/* Line to make into a field structure */
+    int			allocated; /* NZ if line allocated with malloc */
+    char *		delims;	/* Characters to use for field delimiters */
+    int			flags;	/* Option flags;  see fields.h */
+    int			maxf;	/* Maximum number of fields to parse */
+    {
+    register field_t *	fieldp;	/* Structure describing the fields */
+    int			linesize; /* Current line buffer size */
+
+    fieldp = (field_t *) malloc (sizeof (field_t));
+    if (fieldp == NULL)
+	return NULL;
+    fieldp->nfields = 0;
+    fieldp->linebuf = allocated ? line : NULL;
+    fieldp->fields = NULL;
+    fieldp->hadnl = 0;
+    linesize = strlen (line);
+    if (line[linesize - 1] == '\n')
+	{
+	line[--linesize] = '\0';
+	fieldp->hadnl = 1;
+	}
+    /*
+     * Shrink the line buffer if necessary.
+     */
+    if (allocated  &&  (flags & FLD_NOSHRINK) == 0)
+	{
+	line = fieldp->linebuf =
+	  (char *) realloc (fieldp->linebuf, linesize + 1);
+	if (fieldp->linebuf == NULL)
+	    {
+	    fieldfree (fieldp);
+	    return NULL;
+	    }
+	}
+    return fieldparse (fieldp, line, delims, flags, maxf);
+    }
+
+static field_t * fieldparse (fieldp, line, delims, flags, maxf)
+    register field_t *	fieldp;	/* Field structure to parse into */
+    register char *	line;	/* Line to be parsed */
+    char *		delims;	/* Characters to use for field delimiters */
+    int			flags;	/* Option flags;  see fields.h */
+    int			maxf;	/* Maximum number of fields to parse */
+    {
+    int			fieldmax; /* Max size of fields array */
+    char *		lineout; /* Where to store xlated char in line */
+    char		quote;	/* Quote character in use */
+
+    fieldp->nfields = 0;
+    fieldmax =
+      (maxf != 0  &&  maxf < field_field_inc) ? maxf + 2 : field_field_inc;
+    fieldp->fields = (char **) malloc (fieldmax * sizeof (char *));
+    if (fieldp->fields == NULL)
+	{
+	fieldfree (fieldp);
+	return NULL;
+	}
+    if ((flags
+	& (FLD_SHQUOTES | FLD_SNGLQUOTES | FLD_BACKQUOTES | FLD_DBLQUOTES))
+      == FLD_SHQUOTES)
+	flags |= FLD_SNGLQUOTES | FLD_BACKQUOTES | FLD_DBLQUOTES;
+    while (1)
+	{
+	if (flags & FLD_RUNS)
+	    {
+	    while (*line != '\0'  &&  strchr (delims, *line) != NULL)
+		line++;			/* Skip runs of delimiters */
+	    if (*line == '\0')
+		break;
+	    }
+	fieldp->fields[fieldp->nfields] = lineout = line;
+	/*
+	 * Skip to the next delimiter.  At the end of skipping, "line" will
+	 * point to either a delimiter or a null byte.
+	 */
+	if (flags
+	  & (FLD_SHQUOTES | FLD_SNGLQUOTES | FLD_BACKQUOTES
+	    | FLD_DBLQUOTES | FLD_BACKSLASH))
+	    {
+	    while (*line != '\0')
+		{
+		if (strchr (delims, *line) != NULL)
+		    break;
+		else if (((flags & FLD_SNGLQUOTES)  &&  *line == '\'')
+		  ||  ((flags & FLD_BACKQUOTES)  &&  *line == '`')
+		  ||  ((flags & FLD_DBLQUOTES)  &&  *line == '"'))
+		    {
+		    if ((flags & FLD_SHQUOTES) == 0
+		      &&  line != fieldp->fields[fieldp->nfields])
+			quote = '\0';
+		    else
+			quote = *line;
+		    }
+		else
+		    quote = '\0';
+		if (quote == '\0')
+		    {
+		    if (*line == '\\'  &&  (flags & FLD_BACKSLASH))
+			{
+			line++;
+			if (*line == '\0')
+			    break;
+			line += fieldbackch (line, &lineout,
+			  flags & FLD_STRIPQUOTES);
+			}
+		    else
+			*lineout++ = *line++;
+		    }
+		else
+		    {
+		    /* Process quoted string */
+		    if ((flags & FLD_STRIPQUOTES) == 0)
+			*lineout++ = quote;
+		    ++line;
+		    while (*line != '\0')
+			{
+			if (*line == quote)
+			    {
+			    if ((flags & FLD_STRIPQUOTES) == 0)
+				*lineout++ = quote;
+			    line++;		/* Go on past quote */
+			    if ((flags & FLD_SHQUOTES) == 0)
+				{
+				while (*line != '\0'
+				  &&  strchr (delims, *line) == NULL)
+				    line++;	/* Skip to delimiter */
+				}
+			    break;
+			    }
+			else if (*line == '\\')
+			    {
+			    if (flags & FLD_BACKSLASH)
+				{
+				line++;
+				if (*line == '\0')
+				    break;
+				else
+				    line += fieldbackch (line, &lineout,
+				      flags & FLD_STRIPQUOTES);
+				}
+			    else
+				{
+				*lineout++ = '\\';
+				if (*++line == '\0')
+				    break;
+				*lineout++ = *line;
+				}
+			    }
+			else
+			    *lineout++ = *line++;
+			}
+		    }
+		}
+	    }
+	else
+	    {
+	    while (*line != '\0'  &&  strchr (delims, *line) == NULL)
+		line++;			/* Skip to delimiter */
+	    lineout = line;
+	    }
+	fieldp->nfields++;
+	if (*line++ == '\0')
+	    break;
+	if (maxf != 0  &&  fieldp->nfields > maxf)
+	    break;
+	*lineout = '\0';
+	if (fieldp->nfields >= fieldmax)
+	    {
+	    fieldmax += field_field_inc;
+	    fieldp->fields =
+	      (char **) realloc (fieldp->fields, fieldmax * sizeof (char *));
+	    if (fieldp->fields == NULL)
+		{
+		fieldfree (fieldp);
+		return NULL;
+		}
+	    }
+	}
+    /*
+     * Shrink the field pointers and return the field structure.
+     */
+    if ((flags & FLD_NOSHRINK) == 0  &&  fieldp->nfields >= fieldmax)
+	{
+	fieldp->fields = (char **) realloc (fieldp->fields,
+	  (fieldp->nfields + 1) * sizeof (char *));
+	if (fieldp->fields == NULL)
+	    {
+	    fieldfree (fieldp);
+	    return NULL;
+	    }
+	}
+    fieldp->fields[fieldp->nfields] = NULL;
+    return fieldp;
+    }
+
+static int fieldbackch (str, out, strip)
+    register char *	str;		/* First char of backslash sequence */
+    register char **	out;		/* Where to store result */
+    int			strip;		/* NZ to convert the sequence */
+    {
+    register int	ch;		/* Character being developed */
+    char *		origstr;	/* Original value of str */
+
+    if (!strip)
+	{
+	*(*out)++ = '\\';
+	if (*str != 'x'  &&  *str != 'X'  &&  (*str < '0'  ||  *str > '7'))
+	    {
+	    *(*out)++ = *str;
+	    return *str != '\0';
+	    }
+	}
+    switch (*str)
+	{
+	case '\0':
+	    *(*out)++ = '\0';
+	    return 0;
+	case 'a':
+	    *(*out)++ = '\007';
+	    return 1;
+	case 'b':
+	    *(*out)++ = '\b';
+	    return 1;
+	case 'f':
+	    *(*out)++ = '\f';
+	    return 1;
+	case 'n':
+	    *(*out)++ = '\n';
+	    return 1;
+	case 'r':
+	    *(*out)++ = '\r';
+	    return 1;
+	case 'v':
+	    *(*out)++ = '\v';
+	    return 1;
+	case 'X':
+	case 'x':
+	    /* Hexadecimal sequence */
+	    origstr = str++;
+	    ch = 0;
+	    if (*str >= '0'  &&  *str <= '9')
+		ch = *str++ - '0';
+	    else if (*str >= 'a'  &&  *str <= 'f')
+		ch = *str++ - 'a' + 0xa;
+	    else if (*str >= 'A'  &&  *str <= 'F')
+		ch = *str++ - 'A' + 0xa;
+	    if (*str >= '0'  &&  *str <= '9')
+		ch = (ch << 4) | (*str++ - '0');
+	    else if (*str >= 'a'  &&  *str <= 'f')
+		ch = (ch << 4) | (*str++ - 'a' + 0xa);
+	    else if (*str >= 'A'  &&  *str <= 'F')
+		ch = (ch << 4) | (*str++ - 'A' + 0xa);
+	    break;
+	case '0':
+	case '1':
+	case '2':
+	case '3':
+	case '4':
+	case '5':
+	case '6':
+	case '7':
+	    /* Octal sequence */
+	    origstr = str;
+	    ch = *str++ - '0';
+	    if (*str >= '0'  &&  *str <= '7')
+		ch = (ch << 3) | (*str++ - '0');
+	    if (*str >= '0'  &&  *str <= '7')
+		ch = (ch << 3) | (*str++ - '0');
+	    break;
+	default:
+	    *(*out)++ = *str;
+	    return 1;
+	}
+    if (strip)
+	{
+	*(*out)++ = ch;
+	return str - origstr;
+	}
+    else
+	{
+	for (ch = 0;  origstr < str;  ch++)
+	    *(*out)++ = *origstr++;
+	return ch;
+	}
+    }
+
+int fieldwrite (file, fieldp, delim)
+    FILE *		file;	/* File to write to */
+    register field_t *	fieldp;	/* Field structure to write */
+    int			delim;	/* Delimiter to place between fields */
+    {
+    int			error;	/* NZ if an error occurs */
+    register int	fieldno; /* Number of field being written */
+
+    error = 0;
+    for (fieldno = 0;  fieldno < fieldp->nfields;  fieldno++)
+	{
+	if (fieldno != 0)
+	    error |= putc (delim, file) == EOF;
+	error |= fputs (fieldp->fields[fieldno], file) == EOF;
+	}
+    if (fieldp->hadnl)
+	error |= putc ('\n', file) == EOF;
+    return error;
+    }
+
+void fieldfree (fieldp)
+    register field_t *	fieldp;	/* Field structure to free */
+    {
+
+    if (fieldp == NULL)
+	return;
+    if (fieldp->linebuf != NULL)
+	free ((char *) fieldp->linebuf);
+    if (fieldp->fields != NULL)
+	free ((char *) fieldp->fields);
+    free ((char *) fieldp);
+    }
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/geo.protodata b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/geo.protodata
new file mode 100644
index 0000000..c4e3e0d
Binary files /dev/null and b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/geo.protodata differ
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/grammar.lsp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/grammar.lsp
new file mode 100644
index 0000000..1ba8bc7
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/grammar.lsp
@@ -0,0 +1,94 @@
+;;; -*- Mode: Lisp; Syntax: Common-Lisp; -*-
+
+(define-language
+  :grammar
+  '(((S $any) -> (S1 $any))
+    ((S (Compound $s1 $s2)) -> (S1 $s1) (Conjunction) (S1 $s2))
+
+    ((S1 (Statement $v)) -> (NP $subj) (VP $subj $tense $v))
+    ((S1 (Acknowledge $a)) -> (Acknowledge $a))
+    ((S1 (Command $v)) -> (VP Self present $v))
+    ((S1 (Question $v)) -> (Aux $tense) (NP $subj) (VP $subj $tense $v))
+    ((S1 (Question $v)) -> (Be $tense) (NP $subj) (Be-Arg $subj $tense $v))
+
+    ((Be-Arg $subj $tense (Occur $tense (loc $subj $loc))) ->
+     (Loc-Adjunct $tense (loc $subj $loc)))
+
+    ((VP $subj $tense (Occur $tense $v)) -> (VP1 $subj $tense $v))
+    ((VP $subj $tense (Occur $tense $v)) -> (Aux $tense)(VP1 $subj present $v))
+
+    ((VP1 $subj $tense $v) -> (VP2 $subj $tense $v) (Adjunct? $v))
+
+    ((VP2 $subj $tense ($rel $subj $loc)) ->
+     (Verb/in $rel $tense))
+    ((VP2 $subj $tense ($rel $subj $loc $obj)) ->
+     (Verb/tr $rel $tense) (NP $obj))
+    ((VP2 $subj $tense ($rel $subj $loc $obj $obj2)) ->
+     (Verb/di $rel $tense) (NP $obj) (NP $obj2))
+    ((VP2 $subj $tense (loc $subj $loc)) ->
+     (Be $tense) (Loc-Adjunct $tense (loc $subj $loc)))
+
+    ((NP $n) -> (Pronoun $n))
+    ((NP $n) -> (Article) (Noun $n))
+    ((NP $n) -> (Noun $n))
+    ((NP ($x $y)) -> (Number $x) (Number $y))
+
+    ((PP ($prep $n)) -> (Prep $prep) (NP $n))
+    ((Adjunct? $v) ->)
+    ((Adjunct? $v) -> (Loc-Adjunct $tense $v))
+    #+Allegro ((Loc-Adjunct $tense ($rel $subj $loc @rest)) -> (PP $loc))
+    #+Allegro ((Loc-Adjunct $tense ($rel $subj $loc @rest)) -> (Adjunct $loc))
+    #+Lucid ((Loc-Adjunct $tense ($rel $subj $loc . $rest)) -> (PP $loc))
+    #+Lucid ((Loc-Adjunct $tense ($rel $subj $loc . $rest)) -> (Adjunct $loc))
+
+    )
+  :lexicon
+  '(
+    ((Acknowledge $a) -> (yes true) (no false) (maybe unknown) (huh unparsed))
+    ((Adjunct $loc) -> here there (nearby near) near left right up down)
+    ((Article) -> a an the)
+    ((Aux $tense) -> (will future) (did past) (do $finite))
+    ((Be $tense) -> (am present) (are present) (is present) (be $finite)
+     (was past) (were past))
+    ((Conjunction) -> and --)
+    ((Noun $n) -> gold Wumpus pit breeze stench glitter nothing)
+    ((Number $n) -> 0 1 2 3 4 5 6 7 8 9)
+    ((Prep $prep) -> in at to near)
+    ((Pronoun $n) -> (you self) (me master) (I master))
+
+    ((Verb/in $rel $tense) -> (go move $finite) (went move past)
+     (move move $finite) (move move past) (shoot shoot $finite))
+    ((Verb/tr $rel $tense) -> (move carry $finite) (moved carry past)
+     (carry carry $finite) (carry carried past)
+     (grab grab $finite) (grab grabbed past) (get grab $finite)
+     (got grab past) (release release $finite) (release release past)
+     (drop release $finite) (dropped release past) (shoot shoot-at $finite)
+     (shot shoot-at past) (kill shoot-at $finite) (killed shoot-at past)
+     (smell perceive $finite) (feel perceive $finite) (felt perceive past))
+    ((Verb/di $rel $tense) -> (bring bring $finite) (brought bring past)
+     (get bring $finite) (got bring past))
+    ))
+
+(defparameter *sentences*
+  '((I will shoot the wumpus at 4 4)
+    (yes)
+    (You went right -- I will go left)
+    (carry the gold)
+    (yes and no)
+    (did you bring me the gold)
+    (a breeze is here -- I am near 5 3)
+    (a stench is in 3 5)
+    (a pit is nearby)
+    (is the wumpus near)
+    (Did you go to 3 8)
+    (Yes -- Nothing is there)
+    (Shoot -- Shoot left)
+    (Kill the wumpus -- shoot up)))
+
+(defun ss (&optional (sentences *sentences*))
+  "Run some test sentences, and count how many were not parsed."
+  (count-if-not
+   #'(lambda (s)
+       (format t "~2&>>> ~(~{~a ~}~)~%" s)
+       (write (second (parse s)) :pretty t))
+   *sentences*))
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/house.jpg b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/house.jpg
new file mode 100644
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style=\"background-image:url(/img/v4/tet_droite-mha.gif);background-position:bottom;background-repeat:repeat-x\"><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=66 align=left hspace=0 vspace=0></td>\r\n\t</tr>\r\n</table>\r\n<table width=100% cellspacing=0 cellpadding=0 border=0 bgcolor=#ffffff>\r\n\t<tr>\r\n\t\t<td valign=top background=\"http://www.01net.com/img/v4/fond_date-mha.gif\" height=18 width=500><img src=\"http://www.01net.com/img/dot.gif\" width=500 height=1><br><img src=\"http://www.01net.com/img/dot.gif\" width=19 height=1><font face=\"Arial\" size=1 color=#666666 style=\"font-size: 11px;\"><b>Derni\350re mise \340 jour de cette page : lundi 8 novembre 2004&nbsp;&nbsp;|&nbsp;&nbsp;16:45</b></font></td>\r\n\t\t<td width=100% background=\"http://www.01net.com/img/v4/fond_date2-mha.gif\" height=18></td>\r\n\t</tr>\r\n</table>\r\n<!-- ********** FIN MODELE INTERNE TETES MHA-tetev4 //--> <!-- - ZONE TETE -->\r\n<!-- 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background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/point.gif); background-repeat: repeat-x; background-position : 0px 3px;\" colspan=\"2\"><span style=\"float : left; position : relative; font-size : 10px; color : #cc0003; background-color : #ffffff;\">Imagerie&nbsp;</span></td>\n\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<td style=\"width : 65px; vertical-align : top;\"><img src=\"http://micro-achat.01net.com/img/photoproduit/12537-vignette.png\" alt=\"\" style=\"border : 1px solid #000000;\" /></td>\n\t\t\t\t\t\t\t<td style=\"width : 75px; font-size : 11px; font-weight : 700;\">\n\t\t\t\t\t\t\t\t<a style=\"color : #cc0003; text-decoration : none;\" href=\"http://micro-achat.01net.com/guide-produits/imagerie/moniteurs-lcd/l1720b/\">LG L1720B</a>\n\t\t\t\t\t\t\t\t<div style=\"text-align : center; width : 100%; font-size : 9px; font-weight : 100; margin-top : 5px;\">\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t<div style=\"width : 75px; height : 21px; color : #ffffff; font-size : 12px; font-weight : 700; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/fond-prix.gif);\"><span style=\"position : relative; top : 3px;\">332.89 &#128;</span></div>\n\t\t\t\t\t\t\t\t</div>\n\t\t\t\t\t\t\t</td>\n\t\t\t\t\t\t</tr><tr>\n\t\t\t\t\t\t\t<td style=\"height : 12px; vertical-align : top; padding : 0; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/point.gif); background-repeat: repeat-x; background-position : 0px 3px;\" colspan=\"2\"><span style=\"float : left; position : relative; font-size : 10px; color : #cc0003; background-color : #ffffff;\">Ordinateurs&nbsp;</span></td>\n\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<td style=\"width : 65px; vertical-align : top;\"><img src=\"http://micro-achat.01net.com/img/photoproduit/4043-vignette.png\" alt=\"\" style=\"border : 1px solid #000000;\" /></td>\n\t\t\t\t\t\t\t<td style=\"width : 75px; font-size : 11px; font-weight : 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style=\"text-align : center; width : 100%; font-size : 9px; font-weight : 100; margin-top : 5px;\">\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t<div style=\"width : 75px; height : 21px; color : #ffffff; font-size : 12px; font-weight : 700; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/fond-prix.gif);\"><span style=\"position : relative; top : 3px;\">91.99 &#128;</span></div>\n\t\t\t\t\t\t\t\t</div>\n\t\t\t\t\t\t\t</td>\n\t\t\t\t\t\t</tr><tr>\n\t\t\t\t\t\t\t<td style=\"height : 12px; vertical-align : top; padding : 0; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/point.gif); background-repeat: repeat-x; background-position : 0px 3px;\" colspan=\"2\"><span style=\"float : left; position : relative; font-size : 10px; color : #cc0003; background-color : #ffffff;\">Composants&nbsp;</span></td>\n\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<td style=\"width : 65px; vertical-align : top;\"><img src=\"http://micro-achat.01net.com/img/photoproduit/4687-vignette.png\" alt=\"\" style=\"border : 1px solid #000000;\" /></td>\n\t\t\t\t\t\t\t<td style=\"width : 75px; font-size : 11px; font-weight : 700;\">\n\t\t\t\t\t\t\t\t<a style=\"color : #cc0003; text-decoration : none;\" href=\"http://micro-achat.01net.com/guide-produits/composants/ventilateur/sp-94/\">Thermalright SP-94</a>\n\t\t\t\t\t\t\t\t<div style=\"text-align : center; width : 100%; font-size : 9px; font-weight : 100; margin-top : 5px;\">\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t<div style=\"width : 75px; height : 21px; color : #ffffff; font-size : 12px; font-weight : 700; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/fond-prix.gif);\"><span style=\"position : relative; top : 3px;\">49 &#128;</span></div>\n\t\t\t\t\t\t\t\t</div>\n\t\t\t\t\t\t\t</td>\n\t\t\t\t\t\t</tr></table>\n\t\t\t\t<table style=\"border-spacing : 0px 1px; width : 146px; margin-top : 15px;\" cellspacing=\"0\">\n\t\t\t\t<tr><th colspan=\"2\" style=\"padding : 0;\"><img src=\"http://micro-achat.01net.com/img/utils/micro-achat/tete-revendeurmisajour.gif\" alt=\"\" /></th></tr><tr style=\"background-color : #ddeeee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">1 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Rhone-Alpes/Ain/pc-look\" style=\"color : #000000; text-decoration : none;\">PC Look</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ccddee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">2 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Nord-Pas-de-Calais/Pas-de-Calais/atelier-informatique\" style=\"color : #000000; text-decoration : none;\">Atelier Informatique</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ddeeee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">3 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Val-de-Marne/zanax-multimedia\" style=\"color : #000000; text-decoration : none;\">Zanax Multim\351dia</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ccddee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">4 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Hauts-de-Seine/misteroops\" style=\"color : #000000; text-decoration : none;\">MISTEROOPS</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ddeeee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">5 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Paris/12/168-golden-avenue\" style=\"color : #000000; text-decoration : none;\">168 Golden Avenue</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ccddee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">6 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Seine-Saint-Denis/microchoix\" style=\"color : #000000; text-decoration : none;\">microchoix</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ddeeee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">7 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Paris/12/e-soph\" style=\"color : #000000; text-decoration : none;\">e-Soph</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ccddee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">8 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Paris/13/pc-price-club\" style=\"color : #000000; text-decoration : none;\">PC Price Club</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ddeeee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">9 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Seine-et-Marne/pc-77\" style=\"color : #000000; text-decoration : none;\">PC 77</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ccddee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">10 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Alsace/Bas-Rhin/web-in-informatique\" style=\"color : #000000; text-decoration : none;\">Web In Informatique</a></td>\n\t\t\t\t</tr></table>\n\t\t\t\t</div>\n\t\t\t\t<br>\r\n<!-- FIN MA_ColD --> <!-- - ZONE D0 -->\r\n<!-- + ZONE D1 -->\r\n<!-- - ZONE D1 -->\r\n<!-- + ZONE D2 -->\r\n<!-- - ZONE D2 -->\r\n<!-- -ZONE_Dn -->\r\n</td>\r\n\t</tr>\r\n<!-- FIN PARTIE PUB //-->\r\n\t<tr>\r\n\t\t<td valign=top width=193 height=100% background=\"http://www.01net.com/img/v4/sepgrisedroite.gif\">\r\n\t\t<!-- contenu colonne de gauche //-->\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0  background=\"http://www.01net.com/img/v4/sepgrisedroite.gif\">\r\n<!-- +ZONE_Gn -->\r\n<!-- + ZONE G0 -->\r\n<tr><!-- ********** DEBUT MHA_MenusChainesV4 //-->\r\n<td valign=top>\n<table border=0 cellpadding=0 cellspacing=0 width=193 bgcolor=#FFFFFF>\n<tr>\n<td background=\"/img/v4/menus/motifgauche_menus.gif\" width=20 rowspan=2><img src=\"/img/dot.gif\" width=20 height=20></td>\n<td width=173 colspan=2 bgcolor=#FFFFFF><img src=\"/img/dot.gif\" width=173 height=20></td>\n</tr>\n<tr>\n<td valign=top width=159>\n\n<a href=\"http://www.01net.com\"><img src=\"/img/v4/menus/mha/home01net-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com\"><img src=\"/img/v4/menus/mha/home-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4317.html\"><img src=\"/img/v4/menus/mha/ordinateurs-2.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4318.html\"><img src=\"/img/v4/menus/mha/composants-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4319.html\"><img src=\"/img/v4/menus/mha/stockage-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4320.html\"><img src=\"/img/v4/menus/mha/image-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4321.html\"><img src=\"/img/v4/menus/mha/peripheriques-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4322.html\"><img src=\"/img/v4/menus/mha/reseaux-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4323.html\"><img src=\"/img/v4/menus/mha/accessoires-1.gif\" width=159 border=0></a><br>\n<a href=\"http://micro-achat.01net.com/guide-produits/\"><img src=\"/img/v4/menus/mha/comparateur-1.gif\" width=159 border=0></a><br>\n<a href=\"http://micro-achat.01net.com/annuaire/\"><img src=\"/img/v4/menus/mha/annuaire-1.gif\" width=159 border=0></a><br></td>\n<td width=14><img src=\"/img/dot.gif\" width=14 height=14></td>\n</tr>\n<tr>\n<td colspan=3><img src=\"/img/v4/menus/bas_menus.gif\" width=193 height=31></td>\n</tr>\n</table></td><!-- ********** FIN MHA_MenusChainesV4 //--> </tr><!-- - ZONE G0 -->\r\n<!-- + ZONE G1 -->\r\n<tr><!-- DEBUT MODELE RUBRIQUE V4ColGaucheMHA //-->\r\n<!-- ********** DEBUT BLOC DernieresNewsTC //-->\r\n<td valign=top>\r\n<!-- DEBUT RECHERCHE MHA -->\r\n<table width=* cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n\t\t\t<td valign=top background=\"http://microachat.01net.com/img/v4/fond_rech_mha.gif\" height=98 style=\"background-repeat:no-repeat;\"><form method=\"get\" name=\"chercher\" action=\"http://www.01net.com/aiguillage_recherche/1,6138,,00.html\"><img src=\"http://microachat.01net.com/img/dot.gif\" width=193 height=17><br>\r\n\t\t\t<img src=\"http://microachat.01net.com/img/dot.gif\" width=28 height=1><input type=\"text\" name=\"fullText\" style=\"width:130px;font:12px;\"><br><img src=\"http://microachat.01net.com/img/dot.gif\" width=1 height=6><br>\r\n\t\t\t<img src=\"http://microachat.01net.com/img/dot.gif\" width=28 height=1><select name=\"sousArbo\" style=\"width:130px;font:12px;\">\r\n\t\t\t<option value=\"mha\">dans Micro Achat\r\n\t\t\t<option value=\"cmp\">les prix\r\n\t\t\t<option value=\"ann\">les revendeurs\r\n\t\t\t<option value=\"2641\">tout 01net.\r\n\t\t\t<option value=\"emploi\">les offres d\'emploi\r\n\t\t\t<option value=\"telecharger\"> telecharger.com\r\n\t\t\t<option value=\"web\">le web\r\n\t\t\t</select><br><img src=\"http://microachat.01net.com/img/dot.gif\" width=1 height=9><br>\r\n\t\t\t<img src=\"http://microachat.01net.com/img/dot.gif\" width=28 height=1><input type=\"image\" src=\"http://microachat.01net.com/img/v4/ok_bloc_recher_mha.gif\" border=\"0\"></form>\r\n\t\t\t</td>\r\n\t\t</tr>\r\n</table>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=10 vspace=0>\r\n<!-- FIN RECHERCHE MHA -->\r\n      <!-- modele TCFilColgTitV4 //-->\r\n    <table width=193 cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td valign=top>\r\n\t\t<table width=155 cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=2><img src=\"http://www.01net.com/img/ban/Ban_v4_DernieresNews01net.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4></td>\r\n\t\t\t</tr>\r\n\t\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"></td>\r\n\t\t\t\t<td valign=top><A HREF=\"http://www.01net.com/article/256059.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">CD et DVD bient\364t insensibles aux rayures<br></font></a><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=2></td>\r\n\t\t\t</tr>\r\n\t\t\t\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"></td>\r\n\t\t\t\t<td valign=top><A HREF=\"http://www.01net.com/article/255796.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">OpenOffice gagne son service<br></font></a><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=2></td>\r\n\t\t\t</tr>\r\n\t\t\t\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"></td>\r\n\t\t\t\t<td valign=top><A HREF=\"http://www.01net.com/article/255731.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">La messagerie en cinq minutes selon Ipswitch<br></font></a><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=2></td>\r\n\t\t\t</tr>\r\n\t\t\t\t\t\t\t\t<tr>\r\n\t\t\t\t<td valign=top colspan=2><A HREF=\"http://www.01net.com/actus/\" style=\"text-decoration:none;\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\">> toutes les news<br></font></a></td>\r\n\t\t\t</tr>\r\n\t\t\t\t<tr>\r\n\t\t\t\t<td colspan=2><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/crochet_bleuhaut_155.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t</tr>\r\n</table>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=20> <!-- ********** FIN BLOC DernieresNewsTC //-->\r\n<!-- ********** DEBUT BLOC  NL_MHA //-->\r\n<SCRIPT language=\"javascript\" src=\"http://www.01net.com/js/lib.js\"></SCRIPT>\r\n<table width=* cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<FORM name=\"formgen\" method=\"get\" action=\"http://microachat.01net.com/outils/newsletter_MicroAchat.html\" onSubmit=\"return validateForm(this)\">\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td width=155 colspan=4><img src=\"http://www.01net.com/img/ban/Ban_V4_Newslett.gif\"></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td width=10><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td width=1 bgcolor=#CC0000><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t<td width=153>\r\n\t\t<table width=153 cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t<tr>\r\n\t\t\t\t<td width=10><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t\t\t<td valign=top><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/flechefinefd_ffffff.gif\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Recevez chaque jour l\'actualit\351 des produits et des promos<br></font>\r\n\t\t\t\t<table width=* cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t<td><input type=\"text\" name=\"email\" size=\"14\" style=\"width:130px;font:12px;\" value=\"entrez votre e-mail\" onFocus=\"javascript:document.formgen.email.value=\'\'\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=9><br>\r\n\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=28 height=1><input type=\"image\" src=\"http://www.01net.com/img/v4/ok_bloc_recher.gif\" border=\"0\"></td>\r\n\t\t\t\t\t</tr>\r\n\t\t\t\t</table>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t\t<td width=1 bgcolor=#CC0000><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td width=155 colspan=4><img src=\"http://www.01net.com/img/v4/base_newsletters.gif\"></td>\r\n\t\t</FORM>\r\n\t</tr>\r\n</table>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=20>\r\n<SCRIPT language=\"Javascript\">\r\ndocument.formgen.email.validator= \'notNullEmailPat\';\r\ndocument.formgen.email.nomvalidator= \'E-mail\';\r\n</SCRIPT>\r\n<!-- ********** FIN BLOC NL_MHA //-->\r\n</td>\r\n</tr>\r\n<tr>\r\n<!-- ********** DEBUT BLOC Actus ActusUneV4 //-->\r\n<td valign=top background=\"http://www.01net.com/img/v4/sepgrisedroite.gif\">\r\n<table width=193 cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td valign=top>\r\n\t\t<table width=155 cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=4><img src=\"http://www.01net.com/img/ban/Ban_v4_LaUne.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t\t\t<td valign=top><a href=\"http://www.01net.com/entreprise/\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b><u>Entreprise</u></b><br></font></a>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://www.01net.com/article/255737.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">Quand le billet papier s\'envole vers la d\351mat\351rialisation</font></a></td>\r\n\t\t\t\t<td valign=top width=2><img src=\"http://www.01net.com/img/dot.gif\" width=2 height=1></td>\r\n\t\t\t\t<td valign=top><a href=\"http://www.01net.com/article/255737.html\"><img src=\"http://www.01net.com/img/MEA_v4/billet_virtuel-65.jpg\" border=0></a></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=4><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/LaUne_Sep.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t\t\t<td valign=top><a href=\"http://www.01net.com/pratique/\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b><u>Trucs et astuces</u></b><br></font></a>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"/article/255698.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">D\351pannez Windows XP</font></a></td>\r\n\t\t\t\t<td valign=top width=2><img src=\"http://www.01net.com/img/dot.gif\" width=2 height=1></td>\r\n\t\t\t\t<td valign=top><a href=\"http://www.01net.com/article/255698.html\"><img src=\"http://www.01net.com/img/MEA_v4/depannez_XP-65.jpg\" border=0 ></a></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=4><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/LaUne_Sep.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t\t</tr>\r\n\t\t    <tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t\t\t<td valign=top colspan=3><a href=\"http://www.01net.com/conso/\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b><u>Conso</u></b><br></font></a>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"/article/255524.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">Vos photos sur papier imprimante ou labo ?<br></font></a></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=4><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/LaUne_Sep.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t<!-- exemple de lien avec pseudorub pour produits et tests -->\r\n\t\t<!-- <a href=\"/outils/PseudoRub.php?base=test-comp&rub=1730&pseudo=test-comp20041005\"> -->\r\n\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t\t\t<td valign=top colspan=3><a href=\"http://www.01net.com/produits/\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b><u>Produits &amp; Tests</u></b><br></font></a>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"/article/255782.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">5 programmes d\222encodage vid\351o gratuits<br></font></a></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=4><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/LaUne_Sep.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t</tr>\r\n</table>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=20>\r\n</td>\r\n<!-- ********** FIN BLOC Actus ActusUneV4 //-->    </tr>\r\n<tr>\r\n<td>\r\n<table width=193 cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td valign=top><a href=\"mailto:s.cohen@micro-achat.fr\"><img border=0 src=\"http://www.01net.com/img/v4/espace-revendeurs.gif\"></td>\r\n\t</tr>\r\n</table>\r\n<br>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=20></td>\r\n<!-- FIN MODELE RUBRIQUE V4ColGaucheMHA //-->  </tr><!-- - ZONE G1 -->\r\n<!-- + ZONE G2 -->\r\n<!-- - ZONE G2 -->\r\n<!-- + ZONE G3 -->\r\n<!-- - ZONE G3 -->\r\n<!-- + ZONE G4 -->\r\n<!-- - ZONE G4 -->\r\n<!-- + ZONE G5 -->\r\n<!-- - ZONE G5 -->\r\n<!-- + ZONE G6 -->\r\n<!-- - ZONE G6 -->\r\n<!-- + ZONE G7 -->\r\n<!-- - ZONE G7 -->\r\n<!-- + ZONE G8 -->\r\n<!-- - ZONE G8 -->\r\n<!-- + ZONE G9 -->\r\n<!-- - ZONE G9 -->\r\n<!-- + ZONE GA -->\r\n<!-- - ZONE GA -->\r\n<!-- + ZONE GB -->\r\n<!-- - ZONE GB -->\r\n<!-- + ZONE GC -->\r\n<!-- - ZONE GC -->\r\n<!-- + ZONE GD -->\r\n<!-- - ZONE GD -->\r\n<!-- + ZONE GE -->\r\n<!-- - ZONE GE -->\r\n<!-- + ZONE GF -->\r\n<!-- - ZONE GF -->\r\n<!-- -ZONE_Gn -->\r\n\t\t</table>\r\n\t\t<!-- fin contenu colonne de gauche //-->\r\n\t\t</td>\r\n<!-- ***************************************************************** DEBUT VENTRE*********************************************************************************************************************************************** //-->\r\n<!-- DEBUT WORK -->\r\n\t\t<td valign=top width=625 bgcolor=#ffffff><img src=\"http://www.01net.com/img/dot.gif\" width=625 height=1><br>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- +ZONE_hn -->\r\n<!-- + ZONE h0 -->\r\n<!-- MA_ban_int -->\r\n<td valign=\"top\">\r\n<img src=\"/img/dot.gif\" height=\"18\"><br>\r\n<!-- pour ordipda -->\r\n<table width=\"625\" cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<td><img src=\"/img/v4/MA/Ban_MA_ordis.gif\"></td>\r\n\t</tr>\r\n</table>\r\n\t</td>\r\n<!-- /MA_ban_int -->     <!-- - ZONE h0 -->\r\n<!-- + ZONE h1 -->\r\n<!-- - ZONE h1 -->\r\n<!-- + ZONE h2 -->\r\n<!-- - ZONE h2 -->\r\n<!-- -ZONE_hn -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- +ZONE_Hn -->\r\n<!-- + ZONE H0 -->\r\n<!-- Ma_int_Leader -->\r\n    <td valign=top>\r\n<img src=\"/img/dot.gif\" width=1 height=18><br>\r\n<table border=0 cellpadding=0 cellspacing=0 width=320>\r\n<tr>\r\n\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<td width=144 valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=143 height=1 vspace=0><br>\r\n<font face=arial,helvetica size=1 color=#CC0000 style=font-size:11px;>Portable</font><br>\r\n<A HREF=\"/article/256198.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=font-size:14px;><b>Un nouvel ultra portable r\351alis\351 par Nec</b></font></a><br>\r\n<!--debut  insertion image //-->\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"/article/256198.html\" style=\"text-decoration:none;color:#000000;\"><img src=\"/images/67509.jpg.res_100-100.jpg\" border=0 hspace=0 vspace=0></a><br>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t<!-- fin insertion image //-->\r\n<font face=arial,helvetica size=2 color=#000000 style=font-size:12px;><img src=\"/img/v4/flechefine_fondtransp.gif\">Le Versa S940 a un format r\351duit, mais ses performances sont \340 la hauteur.</font><br>\r\n<font face=arial,helvetica size=1 color=#CC0000 style=font-size:12px;>\340 partir de 1663&#160;\200</font>\r\n</td>\r\n<td width=17 background=\"/img/v4/MA/v4-fond-sep-mea-leader.gif\"><img src=\"/img/dot.gif\" width=17 height=1></td>\r\n\t\t\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<td width=144 valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=143 height=1 vspace=0><br>\r\n<font face=arial,helvetica size=1 color=#CC0000 style=font-size:11px;>Portable</font><br>\r\n<A HREF=\"/article/255194.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=font-size:14px;><b>Asus pr\351sente trois petits nouveaux dans la gamme A3N</b></font></a><br>\r\n<!--debut  insertion image //-->\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"/article/255194.html\" style=\"text-decoration:none;color:#000000;\"><img src=\"/images/67168.jpg.res_100-100.jpg\" border=0 hspace=0 vspace=0></a><br>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t<!-- fin insertion image //-->\r\n<font face=arial,helvetica size=2 color=#000000 style=font-size:12px;><img src=\"/img/v4/flechefine_fondtransp.gif\">Ces trois portables Centrino int\350grent, entre autres, une webcam et un contr\364leur Wi-Fi.</font><br>\r\n<font face=arial,helvetica size=1 color=#CC0000 style=font-size:12px;>\340 partir de 1346&#160;\200</font>\r\n</td>\r\n<td width=15><img src=\"/img/dot.gif\" width=15 height=1></td>\r\n\t\t\t\t</tr>\r\n</table>\r\n</td>\r\n<!-- /Ma_int_Leader -->    <!-- - ZONE H0 -->\r\n<!-- + ZONE H1 -->\r\n<!-- - ZONE H1 -->\r\n<!-- + ZONE H2 -->\r\n<!-- MA_BP_MP -->\r\n<td valign=\"top\" width=\"100%\">\r\n\t<table width=\"100%\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\">\r\n\t<tr>\r\n\t<td width=\"50%\" valign=\"top\">\r\n\t<!-- DEBUT MicroAchat MA_BonPlan -->\r\n<td valign=top>\r\n<img src=\"/img/dot.gif\" width=1 height=18><br>\r\n<table border=0 cellpadding=1 cellspacing=0 width=145 bgcolor=#CC0000>\r\n<tr>\r\n<td align=center><font face=arial,helvetica size=1 color=#FFFFFF style=\"font-size:11px;\">BON PLAN</a></font></td>\r\n</tr>\r\n<tr>\r\n<td  width=145>\r\n<div style=\"padding:5px;padding-left:5px;padding-fight:5px;margin:0px;margin-left:1px;margin-right:1px;background-color:#FFFFFF;\">\r\n<img src=\"/img/microachat/logo_shuttle_SB83G5.gif\" border=0><br>\r\n<font face=arial,helvetica size=2 color=#CC0000 style=\"font-size:12px;\">Les derni\350res technologies INTEL dans un nouveau design pour ce shuttle haut de gamme, pour un prix abordable.<br></font>\r\n<center><a href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/mini-pc/sb83g5/?fabriquant=1&page=1&tri=titre\"><img src=\"/img/microachat/mea_shuttle_SB83G5.gif\" border=0 vspace=5></a><br></center>\r\n<center>\r\n<font face=arial,helvetica size=2 color=#CC0000 style=\"font-size:13px;\"><b>\340 partir de</b><br>\r\n<div style=\"border:solid 2px #CC0000;width:100px;background-color:#FFCC00;\"><b>415 \200</b></div>\r\n</center>\r\n</div>\r\n</td>\r\n</tr>\r\n<tr>\r\n<td align=center><font face=arial,helvetica size=1 color=#FFFFFF style=\"font-size:11px;\">publicit\351</a></font></td>\r\n</tr>\r\n</table>\r\n</td>\r\n<!-- FIN MicroAchat MA_BonPlan -->  \t</td>\r\n\t<td width=\"15\"><img src=\"/img/dot.gif\" width=\"15\"></td>\r\n\t<td width=\"50%\" valign=\"top\">\r\n\t<!-- DEBUT MicroAchat MA_MeillPrixAct //-->\r\n<td valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=145 height=1><br>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=18><br>\r\n<table width=* cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<FORM name=\"prix\" action=\"http://www.micro-achat.01net.com/guide-produits/recherche.php\" method=\"post\">\r\n\t\t<td width=145 colspan=3><img src=\"http://www.01net.com/img/ban/Ban_v4_MeillPrix_MA.gif\"></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td width=1 bgcolor=#FFCC00><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t<td width=143>\r\n\t\t<table width=143 cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t<tr>\r\n\t\t\t\t<td width=6><img src=\"http://www.01net.com/img/dot.gif\" width=6 height=1></td>\r\n\t\t\t\t<td valign=top><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=15><br>\r\n\t\t\t\t\t\t\t\t\t\t\t\t<img src=\"http://www.01net.com/img/ban/Ban_MA_trouv_ordi.gif\"><br>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/desktops/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Desktops</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/portables/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Portables</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/mini-pc/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Mini-PC</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/pda---tablets-pc/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Pda / Tablets-PC</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/apple/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Apple</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/gps/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">GPS</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=20><br>\r\n\t\t\t\t\t\t\t\t<table width=* cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t<td><input type=\"text\" name=\"recherchedirecte\" size=\"14\" style=\"width:130px;font:12px;\" value=\"     recherche directe\" onFocus=\"javascript:document.prix.recherchedirecte.value=\'\'\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=9><br>\r\n\t\t\t\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=28 height=1><input type=\"image\" src=\"/img/v4/MA/ok_bloc_recher_MA.gif\" border=\"0\"></td>\r\n\t\t\t\t\t</tr>\r\n\t\t\t\t</table>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t\t<td width=1 bgcolor=#FFCC00><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td width=145 colspan=3><img src=\"http://www.01net.com/img/v4/MA/base_meillPrix.gif\"></td>\r\n\t\t</FORM>\r\n\t</tr>\r\n</table>\r\n</td>\r\n<!-- FIN MicroAchat MA_MeillPrixAct //-->  \t</td>\r\n\t</tr>\r\n\t</table>\r\n</td>\r\n<!-- /MA_BP_MP -->  <!-- - ZONE H2 -->\r\n<!-- -ZONE_Hn -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- +ZONE_Tn -->\r\n<!-- + ZONE T0 -->\r\n    <td valign=\"top\">\r\n<img src=\"http://www.01net.com/img/dot.gif\" height=13><br>\r\n<table border=0 width=320 cellpadding=0 cellspacing=0>\r\n<tr>\r\n<td width=305><img src=\"http://www.01net.com/img/ban/Ban_v4_DernNews_MA.gif\"><br><img src=\"http://www.01net.com/img/v4/MA/v4-tiret-hauts-mha.gif\"></td>\r\n<td rowspan=2 width=15><img src=\"http://www.01net.com/img/dot.gif\" width=15 height=1></td>\r\n</tr>\r\n<tr>\r\n<td bgcolor=\"#FEF9E0\">\r\n\t<table width=\"100%\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">\r\n\t\t<tr>\r\n\t<td><div style=\"padding:2px;width:100%;\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#CC0000\" style=\"font-size:11px;\"><b>Portable&nbsp;<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255149.html\" style=\"color:#000000;text-decoration:none;\">Toshiba consacre deux gammes de machines au multim\351dia</a></b><br>\r\n\t<font color=\"#000000\">Equipement haut de gamme et Windows Media Center sont au menu de ces portables \340 vocation multim\351dia.<br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4><br></font></td>\r\n\t</tr>\r\n\t\t\t\t<tr>\r\n\t<td><div style=\"padding:2px;width:100%;\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#CC0000\" style=\"font-size:11px;\"><b>Ordinateur&nbsp;<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/254686.html\" style=\"color:#000000;text-decoration:none;\">Arriv\351e d\'un Power Mac G5 d\'entr\351e de gamme</a></b><br>\r\n\t<font color=\"#000000\">La firme \340 la pomme propose une station de travail \351volutive et relativement abordable.<br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4><br></font></td>\r\n\t</tr>\r\n\t\t\t\t<tr>\r\n\t<td><div style=\"padding:2px;width:100%;\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#CC0000\" style=\"font-size:11px;\"><b>PC&nbsp;<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/254549.html\" style=\"color:#000000;text-decoration:none;\">Alienware propose deux machines au look \351trange</a></b><br>\r\n\t<font color=\"#000000\">Aurora et Area 51 sont deux gammes d\'ordinateurs enti\350rement configurables.<br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4><br></font></td>\r\n\t</tr>\r\n\t\t\t\t<tr>\r\n\t<td><div style=\"padding:2px;width:100%;\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#CC0000\" style=\"font-size:11px;\"><b>Portable&nbsp;<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/254501.html\" style=\"color:#000000;text-decoration:none;\">Trois nouveaux iBook G4 chez Apple</a></b><br>\r\n\t<font color=\"#000000\">Chez Apple, les portables gagnent en vitesse et communiquent sans fil en standard.<br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4><br></font></td>\r\n\t</tr>\r\n\t\t\t\t\t<tr>\r\n\t<td><img src=\"http://www.01net.com/img/dot.gif\" height=10></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-red-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=1></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td align=\"right\">\r\n\t\t\t\t<A HREF=\"http://microachat.01net.com/rubrique/4365.html\"  style=\"text-decoration:none;\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 10px;\">> toutes les news</font></a>\r\n\t\t\t</td>\r\n\t</tr>\r\n\t</table>\r\n</td>\r\n</tr>\r\n</table>\r\n</td> <!-- - ZONE T0 -->\r\n<!-- + ZONE T1 -->\r\n<!-- Ma_derpromo  -->\r\n    <td valign=\"top\">\r\n<img src=\"/img/dot.gif\" height=13><br>\r\n<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"305\" bgcolor=\"#E9EDFC\">\r\n<tr>\r\n<td bgcolor=\"#ffffff\"><img src=\"/img/v4/MA/v4-lespromos-mha.gif\"><br><img src=\"/img/v4/MA/v4-tiret-hauts-mha.gif\"></td>\r\n</tr>\r\n</table>\r\n<!-- DEBUT MODELE D\'AFFICHAGE POUR LES n PREMIERS ARTICLES //-->\r\n\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"305\" bgcolor=\"#E9EDFC\">\r\n<tr>\r\n<td colspan=\"5\"><img src=\"/img/dot.gif\" width=\"9\"></td>\r\n</tr>\r\n<tr>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"42\" valign=\"top\">\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"/article/255806.html\" class=\"nodeco\"><img src=\"/images/67462.jpg\" border=0 hspace=0 vspace=0 width=\"42\" height=\"42\"></a>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t</td>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"*\"  valign=\"top\"><A HREF=\"/article/255806.html\" class=\"nodeco\"><font face=\"arial,helvetica\" size=2 color=\"#000000\" style=\"font-size:11px;\"><b>Asus A3N15-C Pro</b></a><br>\r\n&nbsp;<img src=\"/img/v4/flechefine_fondtransp.gif\">Voici un portable autonome et puissant gr\342ce \340 la technologie Intel Centrino.<br></font></td>\r\n</tr>\r\n<tr>\r\n<td colspan=\"5\" align=\"right\">\r\n\t<table width=\"80\" border=\"0\" bgcolor=\"#ffffff\" cellpadding=\"0\" cellspacing=\"0\">\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t<td width=\"76\" align=\"center\" bgcolor=\"#CC0000\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#ffffff\" style=\"font-size:11px;\"><b>1170&#160;\200</b></font></td>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t</table>\r\n</td>\r\n</tr>\r\n</table>\r\n\t\t\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"305\" bgcolor=\"#E9EDFC\">\r\n<tr>\r\n<td colspan=\"5\"><img src=\"/img/dot.gif\" width=\"9\"></td>\r\n</tr>\r\n<tr>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"42\" valign=\"top\">\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"/article/255688.html\" class=\"nodeco\"><img src=\"/images/67381.jpg\" border=0 hspace=0 vspace=0 width=\"42\" height=\"42\"></a>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t</td>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"*\"  valign=\"top\"><A HREF=\"/article/255688.html\" class=\"nodeco\"><font face=\"arial,helvetica\" size=2 color=\"#000000\" style=\"font-size:11px;\"><b>Soltek EQ3702A Miroir</b></a><br>\r\n&nbsp;<img src=\"/img/v4/flechefine_fondtransp.gif\">Ce mini PC est une solution int\351ressante pour les utilisateurs poss\351dant d\351j\340 un \351cran.<br></font></td>\r\n</tr>\r\n<tr>\r\n<td colspan=\"5\" align=\"right\">\r\n\t<table width=\"80\" border=\"0\" bgcolor=\"#ffffff\" cellpadding=\"0\" cellspacing=\"0\">\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t<td width=\"76\" align=\"center\" bgcolor=\"#CC0000\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#ffffff\" style=\"font-size:11px;\"><b>559&#160;\200</b></font></td>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t</table>\r\n</td>\r\n</tr>\r\n</table>\r\n\t\t\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"305\" bgcolor=\"#E9EDFC\">\r\n<tr>\r\n<td colspan=\"5\"><img src=\"/img/dot.gif\" width=\"9\"></td>\r\n</tr>\r\n<tr>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"42\" valign=\"top\">\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"/article/255513.html\" class=\"nodeco\"><img src=\"/images/67319.jpg\" border=0 hspace=0 vspace=0 width=\"42\" height=\"42\"></a>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t</td>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"*\"  valign=\"top\"><A HREF=\"/article/255513.html\" class=\"nodeco\"><font face=\"arial,helvetica\" size=2 color=\"#000000\" style=\"font-size:11px;\"><b>IBM ThinkPad R51</b></a><br>\r\n&nbsp;<img src=\"/img/v4/flechefine_fondtransp.gif\">Voici un portable complet et pourtant relativement l\351ger.<br></font></td>\r\n</tr>\r\n<tr>\r\n<td colspan=\"5\" align=\"right\">\r\n\t<table width=\"80\" border=\"0\" bgcolor=\"#ffffff\" cellpadding=\"0\" cellspacing=\"0\">\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t<td width=\"76\" align=\"center\" bgcolor=\"#CC0000\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#ffffff\" style=\"font-size:11px;\"><b>1299&#160;\200</b></font></td>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t</table>\r\n</td>\r\n</tr>\r\n</table>\r\n\t\t\t\t<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"305\" bgcolor=\"#E9EDFC\">\r\n<tr>\r\n<td><img src=\"http://www.01net.com/img/dot.gif\" height=10></td>\r\n</tr>\r\n<tr>\r\n<td background=\"/img/v4/MA/v4-sep-red-mha.gif\"><img src=\"/img/dot.gif\" height=1></td>\r\n</tr>\r\n<tr>\r\n<td align=\"right\" valign=\"top\">\r\n\t\t\t\t<A HREF=\"http://microachat.01net.com/rubrique/4366.html\"  style=\"text-decoration:none;\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 10px;\">> toutes les promos</font></a>\r\n\t\t</td>\r\n</tr>\r\n</table>\r\n</td>\r\n<!-- /Ma_derpromo  -->   <!-- - ZONE T1 -->\r\n<!-- + ZONE T2 -->\r\n<!-- - ZONE T2 -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- + ZONE T3 -->\r\n<!-- DEBUT MicroAchat MA_PubG -->\r\n<td valign=top align=center>\r\n<table border=0 width=320 cellpadding=0 cellspacing=0>\r\n\t<tr>\r\n\t\t<td width=305><img src=\"/img/dot.gif\" width=1 height=12><br><a href=\"http://www.smartadserver.com/call/cliccommand/45590/[timestamp]?\" target=_blank><img src=\"/img/microachat/Bandeau_FX6021.jpg\" border=0></a></td>\r\n\t\t<td><img src=\"/img/dot.gif\" width=15 height=1></td>\r\n\t</tr>\r\n</table>\r\n</td>\r\n<!-- FIN MicroAchat MA_PubG -->  <!-- - ZONE T3 -->\r\n<!-- + ZONE T4 -->\r\n<!-- DEBUT MicroAchat MA_PubD -->\r\n<td valign=top align=center>\r\n<table border=0 width=305 cellpadding=0 cellspacing=0>\r\n\t<tr>\r\n\t\t<td width=305><img src=\"/img/dot.gif\" width=1 height=12><br><a href=\"http://www.smartadserver.com/call/cliccommand/45591/[timestamp]?\" target=_blank><img src=\"/img/microachat/twc_305x125.jpg\" border=0></a></td>\r\n\t</tr>\r\n</table>\r\n</td>\r\n<!-- FIN  MicroAchat MA_PubD --> <!-- - ZONE T4 -->\r\n<!-- + ZONE T5 -->\r\n<!-- - ZONE T5 -->\r\n<!-- -ZONE_Tn -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n\t\t\t<td valign=top>\r\n\t\t\t<table border=0 cellpadding=0 cellspacing=0 width=*>\r\n<!-- +ZONE_gn -->\r\n<!-- + ZONE g0 -->\r\n<!-- - ZONE g0 -->\r\n<!-- + ZONE g1 -->\r\n<!-- - ZONE g1 -->\r\n<!-- + ZONE g2 -->\r\n<!-- - ZONE g2 -->\r\n<!-- + ZONE g3 -->\r\n<!-- - ZONE g3 -->\r\n<!-- + ZONE g4 -->\r\n<!-- - ZONE g4 -->\r\n<!-- + ZONE g5 -->\r\n<!-- - ZONE g5 -->\r\n<!-- + ZONE g6 -->\r\n<!-- - ZONE g6 -->\r\n<!-- + ZONE g7 -->\r\n<!-- - ZONE g7 -->\r\n<!-- + ZONE g8 -->\r\n<!-- - ZONE g8 -->\r\n<!-- + ZONE g9 -->\r\n<!-- - ZONE g9 -->\r\n<!-- -ZONE_gn -->\r\n\t\t\t</table>\r\n\t\t\t<table border=0 cellpadding=0 cellspacing=0 width=*>\r\n\t\t\t\t<tr>\r\n<!-- +ZONE_Mn -->\r\n<!-- + ZONE M0 -->\r\n<!-- modele Ma_GuideAch //-->\r\n    <td valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" height=13><br>\r\n<table border=0 cellpadding=0 cellspacing=0 width=160>\r\n\t<tr>\r\n\t\t<td width=145><img src=\"http://www.01net.com/img/ban/Ban_v4_GuideAchat_MA.gif\" vspace=1></td>\r\n\t\t<td rowspan=2 width=15><img src=\"http://www.01net.com/img/dot.gif\" width=15 height=1></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td>\r\n\t\t<div style=\"border:solid 1px #FFCC00;width:100%\">\r\n\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<center>\r\n<!--debut  insertion image //-->\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"http://microachat.01net.com/article/254561.html\" style=\"text-decoration:none;color:#000000;\"><img src=\"/images/67088.jpg.res_121-111.jpg\" border=0 hspace=0 vspace=0></a>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t<!-- fin insertion image //-->\r\n</center>\r\n<div style=\"padding:5px;\">\r\n<a href=\"http://microachat.01net.com/article/254561.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\"><b>Les graveurs de DVD</b><br></font></a>\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">Quel graveur choisir&#160;? Quel type de format&#160;? Quelle vitesse&#160;? Double couche ou simple couche&#160;? Voici tout ce qu\'il faut savoir pour faire le bon choix.</font></div>\r\n\t\t\t\t\t\t</div>\r\n\t\t</td>\r\n\t</tr>\r\n</table>\r\n</td> <!-- - ZONE M0 -->\r\n<!-- + ZONE M1 -->\r\n<!-- modele Ma_DirectLab //-->\r\n    <td valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=13><br>\r\n<table border=0 cellpadding=0 cellspacing=0 width=160>\r\n\t<tr>\r\n\t\t<td width=145><img src=\"http://www.01net.com/img/ban/Ban_v4_DirectLab_MA.gif\" vspace=1></td>\r\n\t\t<td rowspan=2 width=15><img src=\"http://www.01net.com/img/dot.gif\" width=15 height=1></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td>\r\n\t\t<div style=\"border:solid 1px #FFCC00;width:100%\">\r\n\t\t<div style=\"padding:4px;\">\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255744.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">\t\t\t\t\t\t\t<b>Kodak EasyShare Printer Dock Plus&#160;:</b>\r\n\t\t\t\t\t\tvos photos 10&#160;x&#160;15&#160;cm en 60&#160;secondes</font></a></div>\r\n\t\t\t\t<div style=\"padding:4px;\">\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255780.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">\t\t\t\t\t\t\t<b>3DMark05&#160;:</b>\r\n\t\t\t\t\t\tun labo 3D \340 domicile</font></a></div>\r\n\t\t\t\t<div style=\"padding:4px;\">\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255691.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">\t\t\t\t\t\t\t<b>DVDInfoPro 2.6</b>\r\n\t\t\t\t\t\treconna\356t CD et DVD</font></a></div>\r\n\t\t\t\t<div style=\"padding:4px;\">\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255722.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">\t\t\t\t\t\t\t<b>Scaleo PA D3008, de Fujitsu-Siemens&#160;:</b>\r\n\t\t\t\t\t\tune impression d\'inachev\351</font></a></div>\r\n\t\t\t\t<div style=\"padding:4px;\">\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255514.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">Carbon 5&#160;Go&#160;: 2&#160;500&#160;chansons dans le creux de la main</font></a></div>\r\n\t\t\t</div></td>\r\n\t</tr>\r\n</table>\r\n</td> <!-- - ZONE M1 -->\r\n<!-- + ZONE M2 -->\r\n<!-- DEBUT MicroAchat MA_AnnTelec -->\r\n<td valign=top>\r\n<script type=\"text/javascript\">\r\nfunction regionChange()\r\n{\r\ndocument.selection.departement.options.length=0;\r\nswitch(document.selection.region.value)\r\n\t{\r\n\t\tcase \"aucun\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Nord-Pas-de-Calais\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Pas-de-Calais\", \"Pas-de-Calais\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Nord\", \"Nord\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Haute-Normandie\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Eure\", \"Eure\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Seine-Maritime\", \"Seine-Maritime\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Basse-Normandie\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Manche\", \"Manche\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Calvados\", \"Calvados\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Orne\", \"Orne\");\r\n\t\tbreak;\r\n\t\tcase \"Picardie\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Somme\", \"Somme\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Oise\", \"Oise\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Aisne\", \"Aisne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Bretagne\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Finistere\", \"Finistere\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Cotes-dArmor\", \"Cotes-dArmor\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Morbihan\", \"Morbihan\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Ille-et-Vilaine\", \"Ille-et-Vilaine\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Pays-de-Loire\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Loire-Atlantique\", \"Loire-Atlantique\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Vendee\", \"Vendee\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Maine-et-Loire\", \"Maine-et-Loire\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Mayenne\", \"Mayenne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Sarthe\", \"Sarthe\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Centre\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Eure-et-Loir\", \"Eure-et-Loir\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Loiret\", \"Loiret\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Loir-et-Cher\", \"Loir-et-Cher\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Indre-et-Loire\", \"Indre-et-Loire\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Indre\", \"Indre\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Cher\", \"Cher\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Ile-de-France\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Val-dOise\", \"Val-dOise\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Yvelines\", \"Yvelines\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Essonne\", \"Essonne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Seine-et-Marne\", \"Seine-et-Marne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Hauts-de-Seine\", \"Hauts-de-Seine\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Seine-Saint-Denis\", \"Seine-Saint-Denis\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Val-de-Marne\", \"Val-de-Marne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Paris\", \"Paris\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Champagnes-Ardennes\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Ardennes\", \"Ardennes\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Marne\", \"Marne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Aube\", \"Aube\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Marne\", \"Haute-Marne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Lorraine\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Vosges\", \"Vosges\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Meurthe-et-Moselle\", \"Meurthe-et-Moselle\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Meuse\", \"Meuse\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Moselle\", \"Moselle\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Alsace\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Bas-Rhin\", \"Bas-Rhin\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haut-Rhin\", \"Haut-Rhin\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Franche-Compte\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Jura\", \"Jura\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Doubs\", \"Doubs\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Saone\", \"Haute-Saone\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Territoire-de-Belfort\", \"Territoire-de-Belfort\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Bourgogne\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Yonne\", \"Yonne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Nievre\", \"Nievre\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Cote-dOr\", \"Cote-dOr\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Saone-et-Loire\", \"Saone-et-Loire\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Poitou-Charentes\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Deux-Sevres\", \"Deux-Sevres\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Charente-Maritime\", \"Charente-Maritime\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Charente\", \"Charente\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Vienne\", \"Vienne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Limousin\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Vienne\", \"Haute-Vienne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Correze\", \"Correze\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Creuse\", \"Creuse\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Auvergne\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Allier\", \"Allier\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Puy-de-Dome\", \"Puy-de-Dome\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Cantal\", \"Cantal\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Loire\", \"Haute-Loire\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Rhone-Alpes\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Loire\", \"Loire\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Rhone\", \"Rhone\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Ain\", \"Ain\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Ardeche\", \"Ardeche\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Drome\", \"Drome\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Isere\", \"Isere\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Savoie\", \"Savoie\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Savoie\", \"Haute-Savoie\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Aquitaine\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Gironde\", \"Gironde\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Landes\", \"Landes\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Pyrenees-Atlantiques\", \"Pyrenees-Atlantiques\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Lot-et-Garonne\", \"Lot-et-Garonne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Dordogne\", \"Dordogne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Midi-Pyrenees\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Lot\", \"Lot\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Tarn-et-Garonne\", \"Tarn-et-Garonne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Gers\", \"Gers\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Hautes-Pyrenees\", \"Hautes-Pyrenees\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Garonne\", \"Haute-Garonne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Ariege\", \"Ariege\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Tarn\", \"Tarn\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Aveyron\", \"Aveyron\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Languedoc-Roussillon\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Pyrenees-Orientales\", \"Pyrenees-Orientales\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Aude\", \"Aude\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Herault\", \"Herault\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Gard\", \"Gard\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Lozere\", \"Lozere\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Provence-Alpes-Cote-dazur\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Bouches-du-Rhone\", \"Bouches-du-Rhone\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Vaucluse\", \"Vaucluse\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Alpes-de-haute-Provence\", \"Alpes-de-haute-Provence\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Hautes-Alpes\", \"Hautes-Alpes\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Var\", \"Var\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Alpes-Maritimes\", \"Alpes-Maritimes\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Corse\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Corse-du-Sud\", \"Corse-du-Sud\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Corse\", \"Haute-Corse\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"DomTom\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Guadeloupe\", \"Guadeloupe\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Guyane\", \"Guyane\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"La-Reunion\", \"La-Reunion\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Martinique\", \"Martinique\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Mayotte\", \"Mayotte\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"St-Pierre-et-Miquelon\", \"St-Pierre-et-Miquelon\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t}\r\n}\r\nfunction deptChange()\r\n{\r\nif (document.selection.departement.value == \'Paris\')\r\n\tdocument.getElementById(\'arrondissement\').style.display = \'inline\';\r\nelse\r\n\tdocument.getElementById(\'arrondissement\').style.display = \'none\';\r\n}\r\n</script>\r\n<table width=305 cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<td valign=top>\r\n\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=13><br>\r\n\t\t<table border=0 cellpadding=0 cellspacing=0 width=160>\r\n\t\t\t<tr>\r\n\t\t\t\t<td width=145><img src=\"http://www.01net.com/img/ban/Ban_v4_AnnuaiRev_MA.gif\" vspace=1></td>\r\n\t\t\t\t<td rowspan=2 width=15><img src=\"http://www.01net.com/img/dot.gif\" width=15 height=1></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr><form action=\"http://micro-achat.01net.com/annuaire/recherche.php\" method=\"post\" name=\"selection\">\r\n\t\t\t\t<td bgcolor=#FFFFDD>\r\n\t\t\t\t<div style=\"border:solid 1px #FFCC00;width:100%\"><div style=\"padding:2px;\"><img src=\"http://www.01net.com/img/v4/MA/carte_revend.gif\"><br>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b>Choisir une r\351gion</b><br></font>\r\n<select name=\"region\" onChange=\"regionChange()\" style=\"display : block; font-size:9px;font-variant:arial,helvetica,sans-serif;\">\r\n<option value=\"aucun\">-------------</option>\r\n<option value=\"Nord-Pas-de-Calais\">Nord-Pas-de-Calais</option>\r\n<option value=\"Haute-Normandie\">Haute-Normandie</option>\r\n<option value=\"Basse-Normandie\">Basse-Normandie</option>\r\n<option value=\"Picardie\">Picardie</option>\r\n<option value=\"Bretagne\">Bretagne</option>\r\n<option value=\"Pays-de-Loire\">Pays-de-Loire</option>\r\n<option value=\"Centre\">Centre</option>\r\n<option value=\"Ile-de-France\">Ile-de-France</option>\r\n<option value=\"Champagnes-Ardennes\">Champagne ardennes</option>\r\n<option value=\"Lorraine\">Lorraine</option>\r\n<option value=\"Alsace\">Alsace</option>\r\n<option value=\"Franche-Compte\">Franche-Compte</option>\r\n<option value=\"Bourgogne\">Bourgogne</option>\r\n<option value=\"Poitou-Charentes\">Poitou-Charentes</option>\r\n<option value=\"Limousin\">Limousin</option>\r\n<option value=\"Auvergne\">Auvergne</option>\r\n<option value=\"Rhone-Alpes\">Rhone-Alpes</option>\r\n<option value=\"Aquitaine\">Aquitaine</option>\r\n<option value=\"Midi-Pyrenees\">Midi-Pyrenees</option>\r\n<option value=\"Languedoc-Roussillon\">Languedoc roussillon</option>\r\n<option value=\"Provence-Alpes-Cote-dazur\">PACA</option>\r\n<option value=\"Corse\">Corse</option>\r\n<option value=\"DomTom\">DomTom</option>\r\n</select>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b>Un d\351partement</b><br></font>\r\n<select name=\"departement\" onChange=\"deptChange()\" style=\"display : block; font-size:9px;font-variant:arial,helvetica,sans-serif;\">\r\n<option value=\"aucun\">-------------</option>\r\n</select>\r\n<div id=\"arrondissement\" style=\"display : none;\">\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b>Un arrondissement</b><br></font>\r\n<select name=\"arrondissement\" style=\"display : block; font-size:9px;font-variant:arial,helvetica,sans-serif;\">\r\n<option value=\"0\">-------------</option>\r\n<option value=\"1\">I</option>\r\n<option value=\"2\">II</option>\r\n<option value=\"3\">III</option>\r\n<option value=\"4\">IV</option>\r\n<option value=\"5\">V</option>\r\n<option value=\"6\">VI</option>\r\n<option value=\"7\">VII</option>\r\n<option value=\"8\">VIII</option>\r\n<option value=\"9\">IX</option>\r\n<option value=\"10\">X</option>\r\n<option value=\"11\">XI</option>\r\n<option value=\"12\">XII</option>\r\n<option value=\"13\">XIII</option>\r\n<option value=\"14\">XIV</option>\r\n<option value=\"15\">XV</option>\r\n<option value=\"16\">XVI</option>\r\n<option value=\"17\">XVII</option>\r\n<option value=\"18\">XVIII</option>\r\n<option value=\"19\">XIX</option>\r\n<option value=\"20\">XX</option>\r\n</select>\r\n</div>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=10><br>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b>Recherche directe</b><br></font>\r\n\t\t\t\t<font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\"><img src=\"http://www.01net.com/img/dot.gif\" width=8 height=1>rechercher une ville<br><img src=\"http://www.01net.com/img/dot.gif\" width=8 height=1>et/ou une boutique<br></font>\r\n\t\t\t\t<input type=\"text\" name=\"recherchedirecte\" size=\"14\" style=\"display : block; font-size:9px;font-variant:arial,helvetica,sans-serif;width:130px;\" value=\"\" onFocus=\"javascript:document.selection.recherchedirecte.value=\'\'\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=3><br>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=28 height=1>&nbsp;<input type=\"image\" src=\"http://www.01net.com/img/v4/MA/ok_bloc_recher_MA.gif\" border=\"0\">\r\n\t\t\t\t<table height=23 width=135 cellspacing=0 cellpadding=0 border=0 bgcolor=#FFEE77>\r\n\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t<td bgcolor=#FFEE77 valign=middle align=center><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://micro-achat.01net.com/annuaire/\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b>Recherche avanc\351e</b></font></a></td>\r\n\t\t\t\t\t</tr>\r\n\t\t\t\t</table>\r\n\t\t\t\t</div>\r\n\t\t\t\t</div>\r\n\t\t\t\t</td>\r\n\t\t\t</tr></form>\r\n\t\t</table>\r\n\t\t</td>\r\n<!-- DEBUT MicroAchat MA_Telecharg //-->\r\n<td valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=13><br>\r\n<table width=\"145\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/v4/MA/Ban_v4_MA_telec.gif\"></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td>\r\n\t\t<table width=\"145\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" bgcolor=\"#DFECF6\">\r\n\t\t\t<tr>\r\n\t\t\t\t<td rowspan=\"17\"><img src=\"http://www.01net.com/img/dot.gif\" width=\"6\"></td>\r\n\t\t\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"></td>\r\n\t\t\t\t<td rowspan=\"17\"><img src=\"http://www.01net.com/img/dot.gif\" width=\"6\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Bureautique\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Bureautique</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Traducteur, organiseur...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Multimedia\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Multim\351dia</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Photo, audio, vid\351o...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Utilitaire\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Utilitaires</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Antivirus, pilotes, gravure...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Personnaliser\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Personnaliser son PC</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Ecrans de veille, th\350mes...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Programmation\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>D\351veloppement</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Cr\351ation de logiciels, BDD...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Jeux\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Jeux</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Action, simulation...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Internet\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Internet</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Utilitaires, email, FTP...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Loisirs\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Loisirs</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Humour, culture...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t</tr>\r\n</table>\r\n</td>\r\n<!-- FIN MicroAchat MA_Telecharg //-->  \t</tr>\r\n</table>\r\n</td>\r\n<!-- FIN MicroAchat MA_AnnTelec --> <!-- - ZONE M2 -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- + ZONE M3 -->\r\n<!-- - ZONE M3 -->\r\n<!-- + ZONE M4 -->\r\n<!-- - ZONE M4 -->\r\n<!-- + ZONE M5 -->\r\n<!-- - ZONE M5 -->\r\n<!-- -ZONE_Mn -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table border=0 cellpadding=0 cellspacing=0 width=*>\r\n\t\t<tr>\r\n<!-- +ZONE_tn -->\r\n<!-- + ZONE t0 -->\r\n<!-- - ZONE t0 -->\r\n<!-- + ZONE t1 -->\r\n<!-- - ZONE t1 -->\r\n<!-- + ZONE t2 -->\r\n<!-- - ZONE t2 -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- + ZONE t3 -->\r\n<!-- - ZONE t3 -->\r\n<!-- + ZONE t4 -->\r\n<!-- - ZONE t4 -->\r\n<!-- + ZONE t5 -->\r\n<!-- - ZONE t5 -->\r\n<!-- -ZONE_tn -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t\t<td valign=top>\r\n\t\t<table border=0 cellpadding=0 cellspacing=0 width=*>\r\n\t\t<tr>\r\n<!-- +ZONE_dn -->\r\n<!-- + ZONE d0 -->\r\n<!-- - ZONE d0 -->\r\n<!-- + ZONE d1 -->\r\n<!-- - ZONE d1 -->\r\n<!-- + ZONE d2 -->\r\n<!-- - ZONE d2 -->\r\n<!-- + ZONE d3 -->\r\n<!-- - ZONE d3 -->\r\n<!-- + ZONE d4 -->\r\n<!-- - ZONE d4 -->\r\n<!-- + ZONE d5 -->\r\n<!-- - ZONE d5 -->\r\n<!-- + ZONE d6 -->\r\n<!-- - ZONE d6 -->\r\n<!-- + ZONE d7 -->\r\n<!-- - ZONE d7 -->\r\n<!-- + ZONE d8 -->\r\n<!-- - ZONE d8 -->\r\n<!-- + ZONE d9 -->\r\n<!-- - ZONE d9 -->\r\n<!-- -ZONE_dn -->\r\n\t\t\t\t</tr>\r\n\t\t\t</table>\r\n\t\t\t</td>\r\n\t\t</tr>\r\n\t\t</table>\r\n<!-- FIN WORK -->\r\n\t\t</td>\r\n<!-- *********************************************************************FIN VENTRE********************************************************************************************************************************************** //-->\r\n\t\t<td rowspan=2 valign=top width=23 background=\"http://www.01net.com/img/v4/sep_verticale.gif\"><img src=\"http://www.01net.com/img/dot.gif\" width=23 height=1><br></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t\t<td colspan=2>\r\n\t\t\t<table border=0 cellpadding=0 cellspacing=0 width=100%>\r\n<!-- +ZONE_Bn -->\r\n<!-- + ZONE B0 -->\r\n<!-- - ZONE B0 -->\r\n<!-- + ZONE B1 -->\r\n<tr><!-- ********** DEBUT BLOC Home NosJournauxV4 //-->\r\n<td valign=top bgcolor=#FFFFFF>\r\n<img src=\"http://www.01net.com/img/ban/Ban_v4_jx.gif\"><br>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=15><br>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=15 height=1>\r\n<a href=\"http://www.01net.com/rubrique/3339.html\"><img src=\"http://www.01net.com/img/journaux/01I-small.gif\" border=0 vspace=0 hspace=12 align=top></a>\r\n<a href=\"http://www.01net.com/rubrique/4051.html\"><img src=\"http://www.01net.com/img/journaux/DSI-small.gif\" border=0 vspace=0 hspace=12 align=top></a>\r\n<a href=\"http://www.01net.com/rubrique/3345.html\"><img src=\"http://www.01net.com/img/journaux/DIN-small.gif
\ No newline at end of file
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/html_x_4 b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/html_x_4
new file mode 100644
index 0000000..3fe87dc
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/html_x_4
@@ -0,0 +1 @@
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style=\"background-image:url(/img/v4/tet_droite-mha.gif);background-position:bottom;background-repeat:repeat-x\"><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=66 align=left hspace=0 vspace=0></td>\r\n\t</tr>\r\n</table>\r\n<table width=100% cellspacing=0 cellpadding=0 border=0 bgcolor=#ffffff>\r\n\t<tr>\r\n\t\t<td valign=top background=\"http://www.01net.com/img/v4/fond_date-mha.gif\" height=18 width=500><img src=\"http://www.01net.com/img/dot.gif\" width=500 height=1><br><img src=\"http://www.01net.com/img/dot.gif\" width=19 height=1><font face=\"Arial\" size=1 color=#666666 style=\"font-size: 11px;\"><b>Derni\350re mise \340 jour de cette page : lundi 8 novembre 2004&nbsp;&nbsp;|&nbsp;&nbsp;16:45</b></font></td>\r\n\t\t<td width=100% background=\"http://www.01net.com/img/v4/fond_date2-mha.gif\" height=18></td>\r\n\t</tr>\r\n</table>\r\n<!-- ********** FIN MODELE INTERNE TETES MHA-tetev4 //--> <!-- - ZONE TETE -->\r\n<!-- ***************************************************************************************************************************************************************************************************************************** //-->\r\n<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n<!-- DEBUT PARTIE PUB //-->\r\n\t<tr>\r\n<td align=center valign=middle colspan=2 background=\"http://www.01net.com/img/v4/fond_bann.gif\"><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br>\r\n<!-- + ZONE Z0 -->\r\n<SCRIPT LANGUAGE=\"JAVASCRIPT\">\r\nvar fa = \"\";\r\nvar fab = document.URL.toString();\r\nif (fab.indexOf(\"?fa\") != -1 || fab.indexOf(\"&fa\") != -1)\r\n{\r\nfa = \";!category=fai\";\r\n}\r\nvar etatmessage = false;\r\nvar enchainement = false;\r\n</SCRIPT>\r\n<SCRIPT LANGUAGE=\"JavaScript1.1\">\r\nsas_pageid=\'167/3872\';\r\nsas_formatid=95;\t\t\t// Format : Banner/Scope 468x60\r\nsas_master=\'M\';\t\t\t// Master : M=master or S=slave\r\nsas_target=exc + 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background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/point.gif); background-repeat: repeat-x; background-position : 0px 3px;\" colspan=\"2\"><span style=\"float : left; position : relative; font-size : 10px; color : #cc0003; background-color : #ffffff;\">Imagerie&nbsp;</span></td>\n\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<td style=\"width : 65px; vertical-align : top;\"><img src=\"http://micro-achat.01net.com/img/photoproduit/12537-vignette.png\" alt=\"\" style=\"border : 1px solid #000000;\" /></td>\n\t\t\t\t\t\t\t<td style=\"width : 75px; font-size : 11px; font-weight : 700;\">\n\t\t\t\t\t\t\t\t<a style=\"color : #cc0003; text-decoration : none;\" href=\"http://micro-achat.01net.com/guide-produits/imagerie/moniteurs-lcd/l1720b/\">LG L1720B</a>\n\t\t\t\t\t\t\t\t<div style=\"text-align : center; width : 100%; font-size : 9px; font-weight : 100; margin-top : 5px;\">\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t<div style=\"width : 75px; height : 21px; color : #ffffff; font-size : 12px; font-weight : 700; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/fond-prix.gif);\"><span style=\"position : relative; top : 3px;\">332.89 &#128;</span></div>\n\t\t\t\t\t\t\t\t</div>\n\t\t\t\t\t\t\t</td>\n\t\t\t\t\t\t</tr><tr>\n\t\t\t\t\t\t\t<td style=\"height : 12px; vertical-align : top; padding : 0; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/point.gif); background-repeat: repeat-x; background-position : 0px 3px;\" colspan=\"2\"><span style=\"float : left; position : relative; font-size : 10px; color : #cc0003; background-color : #ffffff;\">Ordinateurs&nbsp;</span></td>\n\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<td style=\"width : 65px; vertical-align : top;\"><img src=\"http://micro-achat.01net.com/img/photoproduit/4043-vignette.png\" alt=\"\" style=\"border : 1px solid #000000;\" /></td>\n\t\t\t\t\t\t\t<td style=\"width : 75px; font-size : 11px; font-weight : 700;\">\n\t\t\t\t\t\t\t\t<a style=\"color : #cc0003; text-decoration : none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/desktops/veriton-7600g/\">Acer Veriton 7600G</a>\n\t\t\t\t\t\t\t\t<div style=\"text-align : center; width : 100%; font-size : 9px; font-weight : 100; margin-top : 5px;\">\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t<div style=\"width : 75px; height : 21px; color : #ffffff; font-size : 12px; font-weight : 700; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/fond-prix.gif);\"><span style=\"position : relative; top : 3px;\">705 &#128;</span></div>\n\t\t\t\t\t\t\t\t</div>\n\t\t\t\t\t\t\t</td>\n\t\t\t\t\t\t</tr><tr>\n\t\t\t\t\t\t\t<td style=\"height : 12px; vertical-align : top; padding : 0; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/point.gif); background-repeat: repeat-x; background-position : 0px 3px;\" colspan=\"2\"><span style=\"float : left; position : relative; font-size : 10px; color : #cc0003; background-color : #ffffff;\">Ordinateurs&nbsp;</span></td>\n\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<td style=\"width : 65px; vertical-align : top;\"><img src=\"http://micro-achat.01net.com/img/photoproduit/1903-vignette.png\" alt=\"\" style=\"border : 1px solid #000000;\" /></td>\n\t\t\t\t\t\t\t<td style=\"width : 75px; font-size : 11px; font-weight : 700;\">\n\t\t\t\t\t\t\t\t<a style=\"color : #cc0003; text-decoration : none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/mini-pc/sn95g5/\">Shuttle SN95G5</a>\n\t\t\t\t\t\t\t\t<div style=\"text-align : center; width : 100%; font-size : 9px; font-weight : 100; margin-top : 5px;\">\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t<div style=\"width : 75px; height : 21px; color : #ffffff; font-size : 12px; font-weight : 700; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/fond-prix.gif);\"><span style=\"position : relative; top : 3px;\">375 &#128;</span></div>\n\t\t\t\t\t\t\t\t</div>\n\t\t\t\t\t\t\t</td>\n\t\t\t\t\t\t</tr><tr>\n\t\t\t\t\t\t\t<td style=\"height : 12px; vertical-align : top; padding : 0; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/point.gif); background-repeat: repeat-x; background-position : 0px 3px;\" colspan=\"2\"><span style=\"float : left; position : relative; font-size : 10px; color : #cc0003; background-color : #ffffff;\">Composants&nbsp;</span></td>\n\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<td style=\"width : 65px; vertical-align : top;\"><img src=\"http://micro-achat.01net.com/img/photoproduit/1259-vignette.png\" alt=\"\" style=\"border : 1px solid #000000;\" /></td>\n\t\t\t\t\t\t\t<td style=\"width : 75px; font-size : 11px; font-weight : 700;\">\n\t\t\t\t\t\t\t\t<a style=\"color : #cc0003; text-decoration : none;\" href=\"http://micro-achat.01net.com/guide-produits/composants/cartes-meres/a7n8x-e-deluxe/\">Asus A7N8X-E Deluxe</a>\n\t\t\t\t\t\t\t\t<div style=\"text-align : center; width : 100%; font-size : 9px; font-weight : 100; margin-top : 5px;\">\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t<div style=\"width : 75px; height : 21px; color : #ffffff; font-size : 12px; font-weight : 700; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/fond-prix.gif);\"><span style=\"position : relative; top : 3px;\">91.99 &#128;</span></div>\n\t\t\t\t\t\t\t\t</div>\n\t\t\t\t\t\t\t</td>\n\t\t\t\t\t\t</tr><tr>\n\t\t\t\t\t\t\t<td style=\"height : 12px; vertical-align : top; padding : 0; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/point.gif); background-repeat: repeat-x; background-position : 0px 3px;\" colspan=\"2\"><span style=\"float : left; position : relative; font-size : 10px; color : #cc0003; background-color : #ffffff;\">Composants&nbsp;</span></td>\n\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<td style=\"width : 65px; vertical-align : top;\"><img src=\"http://micro-achat.01net.com/img/photoproduit/4687-vignette.png\" alt=\"\" style=\"border : 1px solid #000000;\" /></td>\n\t\t\t\t\t\t\t<td style=\"width : 75px; font-size : 11px; font-weight : 700;\">\n\t\t\t\t\t\t\t\t<a style=\"color : #cc0003; text-decoration : none;\" href=\"http://micro-achat.01net.com/guide-produits/composants/ventilateur/sp-94/\">Thermalright SP-94</a>\n\t\t\t\t\t\t\t\t<div style=\"text-align : center; width : 100%; font-size : 9px; font-weight : 100; margin-top : 5px;\">\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t<div style=\"width : 75px; height : 21px; color : #ffffff; font-size : 12px; font-weight : 700; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/fond-prix.gif);\"><span style=\"position : relative; top : 3px;\">49 &#128;</span></div>\n\t\t\t\t\t\t\t\t</div>\n\t\t\t\t\t\t\t</td>\n\t\t\t\t\t\t</tr></table>\n\t\t\t\t<table style=\"border-spacing : 0px 1px; width : 146px; margin-top : 15px;\" cellspacing=\"0\">\n\t\t\t\t<tr><th colspan=\"2\" style=\"padding : 0;\"><img src=\"http://micro-achat.01net.com/img/utils/micro-achat/tete-revendeurmisajour.gif\" alt=\"\" /></th></tr><tr style=\"background-color : #ddeeee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">1 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Rhone-Alpes/Ain/pc-look\" style=\"color : #000000; text-decoration : none;\">PC Look</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ccddee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">2 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Nord-Pas-de-Calais/Pas-de-Calais/atelier-informatique\" style=\"color : #000000; text-decoration : none;\">Atelier Informatique</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ddeeee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">3 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Val-de-Marne/zanax-multimedia\" style=\"color : #000000; text-decoration : none;\">Zanax Multim\351dia</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ccddee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">4 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Hauts-de-Seine/misteroops\" style=\"color : #000000; text-decoration : none;\">MISTEROOPS</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ddeeee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">5 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Paris/12/168-golden-avenue\" style=\"color : #000000; text-decoration : none;\">168 Golden Avenue</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ccddee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">6 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Seine-Saint-Denis/microchoix\" style=\"color : #000000; text-decoration : none;\">microchoix</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ddeeee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">7 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Paris/12/e-soph\" style=\"color : #000000; text-decoration : none;\">e-Soph</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ccddee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">8 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Paris/13/pc-price-club\" style=\"color : #000000; text-decoration : none;\">PC Price Club</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ddeeee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">9 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Seine-et-Marne/pc-77\" style=\"color : #000000; text-decoration : none;\">PC 77</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ccddee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">10 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Alsace/Bas-Rhin/web-in-informatique\" style=\"color : #000000; text-decoration : none;\">Web In Informatique</a></td>\n\t\t\t\t</tr></table>\n\t\t\t\t</div>\n\t\t\t\t<br>\r\n<!-- FIN MA_ColD --> <!-- - ZONE D0 -->\r\n<!-- + ZONE D1 -->\r\n<!-- - ZONE D1 -->\r\n<!-- + ZONE D2 -->\r\n<!-- - ZONE D2 -->\r\n<!-- -ZONE_Dn -->\r\n</td>\r\n\t</tr>\r\n<!-- FIN PARTIE PUB //-->\r\n\t<tr>\r\n\t\t<td valign=top width=193 height=100% background=\"http://www.01net.com/img/v4/sepgrisedroite.gif\">\r\n\t\t<!-- contenu colonne de gauche //-->\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0  background=\"http://www.01net.com/img/v4/sepgrisedroite.gif\">\r\n<!-- +ZONE_Gn -->\r\n<!-- + ZONE G0 -->\r\n<tr><!-- ********** DEBUT MHA_MenusChainesV4 //-->\r\n<td valign=top>\n<table border=0 cellpadding=0 cellspacing=0 width=193 bgcolor=#FFFFFF>\n<tr>\n<td background=\"/img/v4/menus/motifgauche_menus.gif\" width=20 rowspan=2><img src=\"/img/dot.gif\" width=20 height=20></td>\n<td width=173 colspan=2 bgcolor=#FFFFFF><img src=\"/img/dot.gif\" width=173 height=20></td>\n</tr>\n<tr>\n<td valign=top width=159>\n\n<a href=\"http://www.01net.com\"><img src=\"/img/v4/menus/mha/home01net-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com\"><img src=\"/img/v4/menus/mha/home-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4317.html\"><img src=\"/img/v4/menus/mha/ordinateurs-2.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4318.html\"><img src=\"/img/v4/menus/mha/composants-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4319.html\"><img src=\"/img/v4/menus/mha/stockage-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4320.html\"><img src=\"/img/v4/menus/mha/image-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4321.html\"><img src=\"/img/v4/menus/mha/peripheriques-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4322.html\"><img src=\"/img/v4/menus/mha/reseaux-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4323.html\"><img src=\"/img/v4/menus/mha/accessoires-1.gif\" width=159 border=0></a><br>\n<a href=\"http://micro-achat.01net.com/guide-produits/\"><img src=\"/img/v4/menus/mha/comparateur-1.gif\" width=159 border=0></a><br>\n<a href=\"http://micro-achat.01net.com/annuaire/\"><img src=\"/img/v4/menus/mha/annuaire-1.gif\" width=159 border=0></a><br></td>\n<td width=14><img src=\"/img/dot.gif\" width=14 height=14></td>\n</tr>\n<tr>\n<td colspan=3><img src=\"/img/v4/menus/bas_menus.gif\" width=193 height=31></td>\n</tr>\n</table></td><!-- ********** FIN MHA_MenusChainesV4 //--> </tr><!-- - ZONE G0 -->\r\n<!-- + ZONE G1 -->\r\n<tr><!-- DEBUT MODELE RUBRIQUE V4ColGaucheMHA //-->\r\n<!-- ********** DEBUT BLOC DernieresNewsTC //-->\r\n<td valign=top>\r\n<!-- DEBUT RECHERCHE MHA -->\r\n<table width=* cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n\t\t\t<td valign=top background=\"http://microachat.01net.com/img/v4/fond_rech_mha.gif\" height=98 style=\"background-repeat:no-repeat;\"><form method=\"get\" name=\"chercher\" action=\"http://www.01net.com/aiguillage_recherche/1,6138,,00.html\"><img src=\"http://microachat.01net.com/img/dot.gif\" width=193 height=17><br>\r\n\t\t\t<img src=\"http://microachat.01net.com/img/dot.gif\" width=28 height=1><input type=\"text\" name=\"fullText\" style=\"width:130px;font:12px;\"><br><img src=\"http://microachat.01net.com/img/dot.gif\" width=1 height=6><br>\r\n\t\t\t<img src=\"http://microachat.01net.com/img/dot.gif\" width=28 height=1><select name=\"sousArbo\" style=\"width:130px;font:12px;\">\r\n\t\t\t<option value=\"mha\">dans Micro Achat\r\n\t\t\t<option value=\"cmp\">les prix\r\n\t\t\t<option value=\"ann\">les revendeurs\r\n\t\t\t<option value=\"2641\">tout 01net.\r\n\t\t\t<option value=\"emploi\">les offres d\'emploi\r\n\t\t\t<option value=\"telecharger\"> telecharger.com\r\n\t\t\t<option value=\"web\">le web\r\n\t\t\t</select><br><img src=\"http://microachat.01net.com/img/dot.gif\" width=1 height=9><br>\r\n\t\t\t<img src=\"http://microachat.01net.com/img/dot.gif\" width=28 height=1><input type=\"image\" src=\"http://microachat.01net.com/img/v4/ok_bloc_recher_mha.gif\" border=\"0\"></form>\r\n\t\t\t</td>\r\n\t\t</tr>\r\n</table>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=10 vspace=0>\r\n<!-- FIN RECHERCHE MHA -->\r\n      <!-- modele TCFilColgTitV4 //-->\r\n    <table width=193 cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td valign=top>\r\n\t\t<table width=155 cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=2><img src=\"http://www.01net.com/img/ban/Ban_v4_DernieresNews01net.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4></td>\r\n\t\t\t</tr>\r\n\t\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"></td>\r\n\t\t\t\t<td valign=top><A HREF=\"http://www.01net.com/article/256059.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">CD et DVD bient\364t insensibles aux rayures<br></font></a><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=2></td>\r\n\t\t\t</tr>\r\n\t\t\t\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"></td>\r\n\t\t\t\t<td valign=top><A HREF=\"http://www.01net.com/article/255796.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">OpenOffice gagne son service<br></font></a><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=2></td>\r\n\t\t\t</tr>\r\n\t\t\t\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"></td>\r\n\t\t\t\t<td valign=top><A HREF=\"http://www.01net.com/article/255731.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">La messagerie en cinq minutes selon Ipswitch<br></font></a><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=2></td>\r\n\t\t\t</tr>\r\n\t\t\t\t\t\t\t\t<tr>\r\n\t\t\t\t<td valign=top colspan=2><A HREF=\"http://www.01net.com/actus/\" style=\"text-decoration:none;\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\">> toutes les news<br></font></a></td>\r\n\t\t\t</tr>\r\n\t\t\t\t<tr>\r\n\t\t\t\t<td colspan=2><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/crochet_bleuhaut_155.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t</tr>\r\n</table>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=20> <!-- ********** FIN BLOC DernieresNewsTC //-->\r\n<!-- ********** DEBUT BLOC  NL_MHA //-->\r\n<SCRIPT language=\"javascript\" src=\"http://www.01net.com/js/lib.js\"></SCRIPT>\r\n<table width=* cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<FORM name=\"formgen\" method=\"get\" action=\"http://microachat.01net.com/outils/newsletter_MicroAchat.html\" onSubmit=\"return validateForm(this)\">\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td width=155 colspan=4><img src=\"http://www.01net.com/img/ban/Ban_V4_Newslett.gif\"></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td width=10><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td width=1 bgcolor=#CC0000><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t<td width=153>\r\n\t\t<table width=153 cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t<tr>\r\n\t\t\t\t<td width=10><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t\t\t<td valign=top><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/flechefinefd_ffffff.gif\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Recevez chaque jour l\'actualit\351 des produits et des promos<br></font>\r\n\t\t\t\t<table width=* cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t<td><input type=\"text\" name=\"email\" size=\"14\" style=\"width:130px;font:12px;\" value=\"entrez votre e-mail\" onFocus=\"javascript:document.formgen.email.value=\'\'\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=9><br>\r\n\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=28 height=1><input type=\"image\" src=\"http://www.01net.com/img/v4/ok_bloc_recher.gif\" border=\"0\"></td>\r\n\t\t\t\t\t</tr>\r\n\t\t\t\t</table>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t\t<td width=1 bgcolor=#CC0000><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td width=155 colspan=4><img src=\"http://www.01net.com/img/v4/base_newsletters.gif\"></td>\r\n\t\t</FORM>\r\n\t</tr>\r\n</table>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=20>\r\n<SCRIPT language=\"Javascript\">\r\ndocument.formgen.email.validator= \'notNullEmailPat\';\r\ndocument.formgen.email.nomvalidator= \'E-mail\';\r\n</SCRIPT>\r\n<!-- ********** FIN BLOC NL_MHA //-->\r\n</td>\r\n</tr>\r\n<tr>\r\n<!-- ********** DEBUT BLOC Actus ActusUneV4 //-->\r\n<td valign=top background=\"http://www.01net.com/img/v4/sepgrisedroite.gif\">\r\n<table width=193 cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td valign=top>\r\n\t\t<table width=155 cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=4><img src=\"http://www.01net.com/img/ban/Ban_v4_LaUne.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t\t\t<td valign=top><a href=\"http://www.01net.com/entreprise/\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b><u>Entreprise</u></b><br></font></a>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://www.01net.com/article/255737.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">Quand le billet papier s\'envole vers la d\351mat\351rialisation</font></a></td>\r\n\t\t\t\t<td valign=top width=2><img src=\"http://www.01net.com/img/dot.gif\" width=2 height=1></td>\r\n\t\t\t\t<td valign=top><a href=\"http://www.01net.com/article/255737.html\"><img src=\"http://www.01net.com/img/MEA_v4/billet_virtuel-65.jpg\" border=0></a></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=4><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/LaUne_Sep.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t\t\t<td valign=top><a href=\"http://www.01net.com/pratique/\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b><u>Trucs et astuces</u></b><br></font></a>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"/article/255698.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">D\351pannez Windows XP</font></a></td>\r\n\t\t\t\t<td valign=top width=2><img src=\"http://www.01net.com/img/dot.gif\" width=2 height=1></td>\r\n\t\t\t\t<td valign=top><a href=\"http://www.01net.com/article/255698.html\"><img src=\"http://www.01net.com/img/MEA_v4/depannez_XP-65.jpg\" border=0 ></a></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=4><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/LaUne_Sep.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t\t</tr>\r\n\t\t    <tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t\t\t<td valign=top colspan=3><a href=\"http://www.01net.com/conso/\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b><u>Conso</u></b><br></font></a>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"/article/255524.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">Vos photos sur papier imprimante ou labo ?<br></font></a></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=4><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/LaUne_Sep.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t<!-- exemple de lien avec pseudorub pour produits et tests -->\r\n\t\t<!-- <a href=\"/outils/PseudoRub.php?base=test-comp&rub=1730&pseudo=test-comp20041005\"> -->\r\n\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t\t\t<td valign=top colspan=3><a href=\"http://www.01net.com/produits/\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b><u>Produits &amp; Tests</u></b><br></font></a>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"/article/255782.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">5 programmes d\222encodage vid\351o gratuits<br></font></a></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=4><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/LaUne_Sep.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t</tr>\r\n</table>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=20>\r\n</td>\r\n<!-- ********** FIN BLOC Actus ActusUneV4 //-->    </tr>\r\n<tr>\r\n<td>\r\n<table width=193 cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td valign=top><a href=\"mailto:s.cohen@micro-achat.fr\"><img border=0 src=\"http://www.01net.com/img/v4/espace-revendeurs.gif\"></td>\r\n\t</tr>\r\n</table>\r\n<br>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=20></td>\r\n<!-- FIN MODELE RUBRIQUE V4ColGaucheMHA //-->  </tr><!-- - ZONE G1 -->\r\n<!-- + ZONE G2 -->\r\n<!-- - ZONE G2 -->\r\n<!-- + ZONE G3 -->\r\n<!-- - ZONE G3 -->\r\n<!-- + ZONE G4 -->\r\n<!-- - ZONE G4 -->\r\n<!-- + ZONE G5 -->\r\n<!-- - ZONE G5 -->\r\n<!-- + ZONE G6 -->\r\n<!-- - ZONE G6 -->\r\n<!-- + ZONE G7 -->\r\n<!-- - ZONE G7 -->\r\n<!-- + ZONE G8 -->\r\n<!-- - ZONE G8 -->\r\n<!-- + ZONE G9 -->\r\n<!-- - ZONE G9 -->\r\n<!-- + ZONE GA -->\r\n<!-- - ZONE GA -->\r\n<!-- + ZONE GB -->\r\n<!-- - ZONE GB -->\r\n<!-- + ZONE GC -->\r\n<!-- - ZONE GC -->\r\n<!-- + ZONE GD -->\r\n<!-- - ZONE GD -->\r\n<!-- + ZONE GE -->\r\n<!-- - ZONE GE -->\r\n<!-- + ZONE GF -->\r\n<!-- - ZONE GF -->\r\n<!-- -ZONE_Gn -->\r\n\t\t</table>\r\n\t\t<!-- fin contenu colonne de gauche //-->\r\n\t\t</td>\r\n<!-- ***************************************************************** DEBUT VENTRE*********************************************************************************************************************************************** //-->\r\n<!-- DEBUT WORK -->\r\n\t\t<td valign=top width=625 bgcolor=#ffffff><img src=\"http://www.01net.com/img/dot.gif\" width=625 height=1><br>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- +ZONE_hn -->\r\n<!-- + ZONE h0 -->\r\n<!-- MA_ban_int -->\r\n<td valign=\"top\">\r\n<img src=\"/img/dot.gif\" height=\"18\"><br>\r\n<!-- pour ordipda -->\r\n<table width=\"625\" cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<td><img src=\"/img/v4/MA/Ban_MA_ordis.gif\"></td>\r\n\t</tr>\r\n</table>\r\n\t</td>\r\n<!-- /MA_ban_int -->     <!-- - ZONE h0 -->\r\n<!-- + ZONE h1 -->\r\n<!-- - ZONE h1 -->\r\n<!-- + ZONE h2 -->\r\n<!-- - ZONE h2 -->\r\n<!-- -ZONE_hn -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- +ZONE_Hn -->\r\n<!-- + ZONE H0 -->\r\n<!-- Ma_int_Leader -->\r\n    <td valign=top>\r\n<img src=\"/img/dot.gif\" width=1 height=18><br>\r\n<table border=0 cellpadding=0 cellspacing=0 width=320>\r\n<tr>\r\n\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<td width=144 valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=143 height=1 vspace=0><br>\r\n<font face=arial,helvetica size=1 color=#CC0000 style=font-size:11px;>Portable</font><br>\r\n<A HREF=\"/article/256198.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=font-size:14px;><b>Un nouvel ultra portable r\351alis\351 par Nec</b></font></a><br>\r\n<!--debut  insertion image //-->\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"/article/256198.html\" style=\"text-decoration:none;color:#000000;\"><img src=\"/images/67509.jpg.res_100-100.jpg\" border=0 hspace=0 vspace=0></a><br>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t<!-- fin insertion image //-->\r\n<font face=arial,helvetica size=2 color=#000000 style=font-size:12px;><img src=\"/img/v4/flechefine_fondtransp.gif\">Le Versa S940 a un format r\351duit, mais ses performances sont \340 la hauteur.</font><br>\r\n<font face=arial,helvetica size=1 color=#CC0000 style=font-size:12px;>\340 partir de 1663&#160;\200</font>\r\n</td>\r\n<td width=17 background=\"/img/v4/MA/v4-fond-sep-mea-leader.gif\"><img src=\"/img/dot.gif\" width=17 height=1></td>\r\n\t\t\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<td width=144 valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=143 height=1 vspace=0><br>\r\n<font face=arial,helvetica size=1 color=#CC0000 style=font-size:11px;>Portable</font><br>\r\n<A HREF=\"/article/255194.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=font-size:14px;><b>Asus pr\351sente trois petits nouveaux dans la gamme A3N</b></font></a><br>\r\n<!--debut  insertion image //-->\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"/article/255194.html\" style=\"text-decoration:none;color:#000000;\"><img src=\"/images/67168.jpg.res_100-100.jpg\" border=0 hspace=0 vspace=0></a><br>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t<!-- fin insertion image //-->\r\n<font face=arial,helvetica size=2 color=#000000 style=font-size:12px;><img src=\"/img/v4/flechefine_fondtransp.gif\">Ces trois portables Centrino int\350grent, entre autres, une webcam et un contr\364leur Wi-Fi.</font><br>\r\n<font face=arial,helvetica size=1 color=#CC0000 style=font-size:12px;>\340 partir de 1346&#160;\200</font>\r\n</td>\r\n<td width=15><img src=\"/img/dot.gif\" width=15 height=1></td>\r\n\t\t\t\t</tr>\r\n</table>\r\n</td>\r\n<!-- /Ma_int_Leader -->    <!-- - ZONE H0 -->\r\n<!-- + ZONE H1 -->\r\n<!-- - ZONE H1 -->\r\n<!-- + ZONE H2 -->\r\n<!-- MA_BP_MP -->\r\n<td valign=\"top\" width=\"100%\">\r\n\t<table width=\"100%\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\">\r\n\t<tr>\r\n\t<td width=\"50%\" valign=\"top\">\r\n\t<!-- DEBUT MicroAchat MA_BonPlan -->\r\n<td valign=top>\r\n<img src=\"/img/dot.gif\" width=1 height=18><br>\r\n<table border=0 cellpadding=1 cellspacing=0 width=145 bgcolor=#CC0000>\r\n<tr>\r\n<td align=center><font face=arial,helvetica size=1 color=#FFFFFF style=\"font-size:11px;\">BON PLAN</a></font></td>\r\n</tr>\r\n<tr>\r\n<td  width=145>\r\n<div style=\"padding:5px;padding-left:5px;padding-fight:5px;margin:0px;margin-left:1px;margin-right:1px;background-color:#FFFFFF;\">\r\n<img src=\"/img/microachat/logo_shuttle_SB83G5.gif\" border=0><br>\r\n<font face=arial,helvetica size=2 color=#CC0000 style=\"font-size:12px;\">Les derni\350res technologies INTEL dans un nouveau design pour ce shuttle haut de gamme, pour un prix abordable.<br></font>\r\n<center><a href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/mini-pc/sb83g5/?fabriquant=1&page=1&tri=titre\"><img src=\"/img/microachat/mea_shuttle_SB83G5.gif\" border=0 vspace=5></a><br></center>\r\n<center>\r\n<font face=arial,helvetica size=2 color=#CC0000 style=\"font-size:13px;\"><b>\340 partir de</b><br>\r\n<div style=\"border:solid 2px #CC0000;width:100px;background-color:#FFCC00;\"><b>415 \200</b></div>\r\n</center>\r\n</div>\r\n</td>\r\n</tr>\r\n<tr>\r\n<td align=center><font face=arial,helvetica size=1 color=#FFFFFF style=\"font-size:11px;\">publicit\351</a></font></td>\r\n</tr>\r\n</table>\r\n</td>\r\n<!-- FIN MicroAchat MA_BonPlan -->  \t</td>\r\n\t<td width=\"15\"><img src=\"/img/dot.gif\" width=\"15\"></td>\r\n\t<td width=\"50%\" valign=\"top\">\r\n\t<!-- DEBUT MicroAchat MA_MeillPrixAct //-->\r\n<td valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=145 height=1><br>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=18><br>\r\n<table width=* cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<FORM name=\"prix\" action=\"http://www.micro-achat.01net.com/guide-produits/recherche.php\" method=\"post\">\r\n\t\t<td width=145 colspan=3><img src=\"http://www.01net.com/img/ban/Ban_v4_MeillPrix_MA.gif\"></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td width=1 bgcolor=#FFCC00><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t<td width=143>\r\n\t\t<table width=143 cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t<tr>\r\n\t\t\t\t<td width=6><img src=\"http://www.01net.com/img/dot.gif\" width=6 height=1></td>\r\n\t\t\t\t<td valign=top><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=15><br>\r\n\t\t\t\t\t\t\t\t\t\t\t\t<img src=\"http://www.01net.com/img/ban/Ban_MA_trouv_ordi.gif\"><br>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/desktops/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Desktops</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/portables/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Portables</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/mini-pc/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Mini-PC</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/pda---tablets-pc/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Pda / Tablets-PC</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/apple/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Apple</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/gps/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">GPS</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=20><br>\r\n\t\t\t\t\t\t\t\t<table width=* cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t<td><input type=\"text\" name=\"recherchedirecte\" size=\"14\" style=\"width:130px;font:12px;\" value=\"     recherche directe\" onFocus=\"javascript:document.prix.recherchedirecte.value=\'\'\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=9><br>\r\n\t\t\t\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=28 height=1><input type=\"image\" src=\"/img/v4/MA/ok_bloc_recher_MA.gif\" border=\"0\"></td>\r\n\t\t\t\t\t</tr>\r\n\t\t\t\t</table>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t\t<td width=1 bgcolor=#FFCC00><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td width=145 colspan=3><img src=\"http://www.01net.com/img/v4/MA/base_meillPrix.gif\"></td>\r\n\t\t</FORM>\r\n\t</tr>\r\n</table>\r\n</td>\r\n<!-- FIN MicroAchat MA_MeillPrixAct //-->  \t</td>\r\n\t</tr>\r\n\t</table>\r\n</td>\r\n<!-- /MA_BP_MP -->  <!-- - ZONE H2 -->\r\n<!-- -ZONE_Hn -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- +ZONE_Tn -->\r\n<!-- + ZONE T0 -->\r\n    <td valign=\"top\">\r\n<img src=\"http://www.01net.com/img/dot.gif\" height=13><br>\r\n<table border=0 width=320 cellpadding=0 cellspacing=0>\r\n<tr>\r\n<td width=305><img src=\"http://www.01net.com/img/ban/Ban_v4_DernNews_MA.gif\"><br><img src=\"http://www.01net.com/img/v4/MA/v4-tiret-hauts-mha.gif\"></td>\r\n<td rowspan=2 width=15><img src=\"http://www.01net.com/img/dot.gif\" width=15 height=1></td>\r\n</tr>\r\n<tr>\r\n<td bgcolor=\"#FEF9E0\">\r\n\t<table width=\"100%\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">\r\n\t\t<tr>\r\n\t<td><div style=\"padding:2px;width:100%;\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#CC0000\" style=\"font-size:11px;\"><b>Portable&nbsp;<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255149.html\" style=\"color:#000000;text-decoration:none;\">Toshiba consacre deux gammes de machines au multim\351dia</a></b><br>\r\n\t<font color=\"#000000\">Equipement haut de gamme et Windows Media Center sont au menu de ces portables \340 vocation multim\351dia.<br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4><br></font></td>\r\n\t</tr>\r\n\t\t\t\t<tr>\r\n\t<td><div style=\"padding:2px;width:100%;\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#CC0000\" style=\"font-size:11px;\"><b>Ordinateur&nbsp;<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/254686.html\" style=\"color:#000000;text-decoration:none;\">Arriv\351e d\'un Power Mac G5 d\'entr\351e de gamme</a></b><br>\r\n\t<font color=\"#000000\">La firme \340 la pomme propose une station de travail \351volutive et relativement abordable.<br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4><br></font></td>\r\n\t</tr>\r\n\t\t\t\t<tr>\r\n\t<td><div style=\"padding:2px;width:100%;\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#CC0000\" style=\"font-size:11px;\"><b>PC&nbsp;<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/254549.html\" style=\"color:#000000;text-decoration:none;\">Alienware propose deux machines au look \351trange</a></b><br>\r\n\t<font color=\"#000000\">Aurora et Area 51 sont deux gammes d\'ordinateurs enti\350rement configurables.<br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4><br></font></td>\r\n\t</tr>\r\n\t\t\t\t<tr>\r\n\t<td><div style=\"padding:2px;width:100%;\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#CC0000\" style=\"font-size:11px;\"><b>Portable&nbsp;<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/254501.html\" style=\"color:#000000;text-decoration:none;\">Trois nouveaux iBook G4 chez Apple</a></b><br>\r\n\t<font color=\"#000000\">Chez Apple, les portables gagnent en vitesse et communiquent sans fil en standard.<br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4><br></font></td>\r\n\t</tr>\r\n\t\t\t\t\t<tr>\r\n\t<td><img src=\"http://www.01net.com/img/dot.gif\" height=10></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-red-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=1></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td align=\"right\">\r\n\t\t\t\t<A HREF=\"http://microachat.01net.com/rubrique/4365.html\"  style=\"text-decoration:none;\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 10px;\">> toutes les news</font></a>\r\n\t\t\t</td>\r\n\t</tr>\r\n\t</table>\r\n</td>\r\n</tr>\r\n</table>\r\n</td> <!-- - ZONE T0 -->\r\n<!-- + ZONE T1 -->\r\n<!-- Ma_derpromo  -->\r\n    <td valign=\"top\">\r\n<img src=\"/img/dot.gif\" height=13><br>\r\n<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"305\" bgcolor=\"#E9EDFC\">\r\n<tr>\r\n<td bgcolor=\"#ffffff\"><img src=\"/img/v4/MA/v4-lespromos-mha.gif\"><br><img src=\"/img/v4/MA/v4-tiret-hauts-mha.gif\"></td>\r\n</tr>\r\n</table>\r\n<!-- DEBUT MODELE D\'AFFICHAGE POUR LES n PREMIERS ARTICLES //-->\r\n\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"305\" bgcolor=\"#E9EDFC\">\r\n<tr>\r\n<td colspan=\"5\"><img src=\"/img/dot.gif\" width=\"9\"></td>\r\n</tr>\r\n<tr>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"42\" valign=\"top\">\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"/article/255806.html\" class=\"nodeco\"><img src=\"/images/67462.jpg\" border=0 hspace=0 vspace=0 width=\"42\" height=\"42\"></a>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t</td>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"*\"  valign=\"top\"><A HREF=\"/article/255806.html\" class=\"nodeco\"><font face=\"arial,helvetica\" size=2 color=\"#000000\" style=\"font-size:11px;\"><b>Asus A3N15-C Pro</b></a><br>\r\n&nbsp;<img src=\"/img/v4/flechefine_fondtransp.gif\">Voici un portable autonome et puissant gr\342ce \340 la technologie Intel Centrino.<br></font></td>\r\n</tr>\r\n<tr>\r\n<td colspan=\"5\" align=\"right\">\r\n\t<table width=\"80\" border=\"0\" bgcolor=\"#ffffff\" cellpadding=\"0\" cellspacing=\"0\">\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t<td width=\"76\" align=\"center\" bgcolor=\"#CC0000\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#ffffff\" style=\"font-size:11px;\"><b>1170&#160;\200</b></font></td>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t</table>\r\n</td>\r\n</tr>\r\n</table>\r\n\t\t\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"305\" bgcolor=\"#E9EDFC\">\r\n<tr>\r\n<td colspan=\"5\"><img src=\"/img/dot.gif\" width=\"9\"></td>\r\n</tr>\r\n<tr>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"42\" valign=\"top\">\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"/article/255688.html\" class=\"nodeco\"><img src=\"/images/67381.jpg\" border=0 hspace=0 vspace=0 width=\"42\" height=\"42\"></a>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t</td>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"*\"  valign=\"top\"><A HREF=\"/article/255688.html\" class=\"nodeco\"><font face=\"arial,helvetica\" size=2 color=\"#000000\" style=\"font-size:11px;\"><b>Soltek EQ3702A Miroir</b></a><br>\r\n&nbsp;<img src=\"/img/v4/flechefine_fondtransp.gif\">Ce mini PC est une solution int\351ressante pour les utilisateurs poss\351dant d\351j\340 un \351cran.<br></font></td>\r\n</tr>\r\n<tr>\r\n<td colspan=\"5\" align=\"right\">\r\n\t<table width=\"80\" border=\"0\" bgcolor=\"#ffffff\" cellpadding=\"0\" cellspacing=\"0\">\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t<td width=\"76\" align=\"center\" bgcolor=\"#CC0000\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#ffffff\" style=\"font-size:11px;\"><b>559&#160;\200</b></font></td>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t</table>\r\n</td>\r\n</tr>\r\n</table>\r\n\t\t\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"305\" bgcolor=\"#E9EDFC\">\r\n<tr>\r\n<td colspan=\"5\"><img src=\"/img/dot.gif\" width=\"9\"></td>\r\n</tr>\r\n<tr>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"42\" valign=\"top\">\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"/article/255513.html\" class=\"nodeco\"><img src=\"/images/67319.jpg\" border=0 hspace=0 vspace=0 width=\"42\" height=\"42\"></a>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t</td>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"*\"  valign=\"top\"><A HREF=\"/article/255513.html\" class=\"nodeco\"><font face=\"arial,helvetica\" size=2 color=\"#000000\" style=\"font-size:11px;\"><b>IBM ThinkPad R51</b></a><br>\r\n&nbsp;<img src=\"/img/v4/flechefine_fondtransp.gif\">Voici un portable complet et pourtant relativement l\351ger.<br></font></td>\r\n</tr>\r\n<tr>\r\n<td colspan=\"5\" align=\"right\">\r\n\t<table width=\"80\" border=\"0\" bgcolor=\"#ffffff\" cellpadding=\"0\" cellspacing=\"0\">\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t<td width=\"76\" align=\"center\" bgcolor=\"#CC0000\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#ffffff\" style=\"font-size:11px;\"><b>1299&#160;\200</b></font></td>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t</table>\r\n</td>\r\n</tr>\r\n</table>\r\n\t\t\t\t<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"305\" bgcolor=\"#E9EDFC\">\r\n<tr>\r\n<td><img src=\"http://www.01net.com/img/dot.gif\" height=10></td>\r\n</tr>\r\n<tr>\r\n<td background=\"/img/v4/MA/v4-sep-red-mha.gif\"><img src=\"/img/dot.gif\" height=1></td>\r\n</tr>\r\n<tr>\r\n<td align=\"right\" valign=\"top\">\r\n\t\t\t\t<A HREF=\"http://microachat.01net.com/rubrique/4366.html\"  style=\"text-decoration:none;\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 10px;\">> toutes les promos</font></a>\r\n\t\t</td>\r\n</tr>\r\n</table>\r\n</td>\r\n<!-- /Ma_derpromo  -->   <!-- - ZONE T1 -->\r\n<!-- + ZONE T2 -->\r\n<!-- - ZONE T2 -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- + ZONE T3 -->\r\n<!-- DEBUT MicroAchat MA_PubG -->\r\n<td valign=top align=center>\r\n<table border=0 width=320 cellpadding=0 cellspacing=0>\r\n\t<tr>\r\n\t\t<td width=305><img src=\"/img/dot.gif\" width=1 height=12><br><a href=\"http://www.smartadserver.com/call/cliccommand/45590/[timestamp]?\" target=_blank><img src=\"/img/microachat/Bandeau_FX6021.jpg\" border=0></a></td>\r\n\t\t<td><img src=\"/img/dot.gif\" width=15 height=1></td>\r\n\t</tr>\r\n</table>\r\n</td>\r\n<!-- FIN MicroAchat MA_PubG -->  <!-- - ZONE T3 -->\r\n<!-- + ZONE T4 -->\r\n<!-- DEBUT MicroAchat MA_PubD -->\r\n<td valign=top align=center>\r\n<table border=0 width=305 cellpadding=0 cellspacing=0>\r\n\t<tr>\r\n\t\t<td width=305><img src=\"/img/dot.gif\" width=1 height=12><br><a href=\"http://www.smartadserver.com/call/cliccommand/45591/[timestamp]?\" target=_blank><img src=\"/img/microachat/twc_305x125.jpg\" border=0></a></td>\r\n\t</tr>\r\n</table>\r\n</td>\r\n<!-- FIN  MicroAchat MA_PubD --> <!-- - ZONE T4 -->\r\n<!-- + ZONE T5 -->\r\n<!-- - ZONE T5 -->\r\n<!-- -ZONE_Tn -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n\t\t\t<td valign=top>\r\n\t\t\t<table border=0 cellpadding=0 cellspacing=0 width=*>\r\n<!-- +ZONE_gn -->\r\n<!-- + ZONE g0 -->\r\n<!-- - ZONE g0 -->\r\n<!-- + ZONE g1 -->\r\n<!-- - ZONE g1 -->\r\n<!-- + ZONE g2 -->\r\n<!-- - ZONE g2 -->\r\n<!-- + ZONE g3 -->\r\n<!-- - ZONE g3 -->\r\n<!-- + ZONE g4 -->\r\n<!-- - ZONE g4 -->\r\n<!-- + ZONE g5 -->\r\n<!-- - ZONE g5 -->\r\n<!-- + ZONE g6 -->\r\n<!-- - ZONE g6 -->\r\n<!-- + ZONE g7 -->\r\n<!-- - ZONE g7 -->\r\n<!-- + ZONE g8 -->\r\n<!-- - ZONE g8 -->\r\n<!-- + ZONE g9 -->\r\n<!-- - ZONE g9 -->\r\n<!-- -ZONE_gn -->\r\n\t\t\t</table>\r\n\t\t\t<table border=0 cellpadding=0 cellspacing=0 width=*>\r\n\t\t\t\t<tr>\r\n<!-- +ZONE_Mn -->\r\n<!-- + ZONE M0 -->\r\n<!-- modele Ma_GuideAch //-->\r\n    <td valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" height=13><br>\r\n<table border=0 cellpadding=0 cellspacing=0 width=160>\r\n\t<tr>\r\n\t\t<td width=145><img src=\"http://www.01net.com/img/ban/Ban_v4_GuideAchat_MA.gif\" vspace=1></td>\r\n\t\t<td rowspan=2 width=15><img src=\"http://www.01net.com/img/dot.gif\" width=15 height=1></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td>\r\n\t\t<div style=\"border:solid 1px #FFCC00;width:100%\">\r\n\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<center>\r\n<!--debut  insertion image //-->\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"http://microachat.01net.com/article/254561.html\" style=\"text-decoration:none;color:#000000;\"><img src=\"/images/67088.jpg.res_121-111.jpg\" border=0 hspace=0 vspace=0></a>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t<!-- fin insertion image //-->\r\n</center>\r\n<div style=\"padding:5px;\">\r\n<a href=\"http://microachat.01net.com/article/254561.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\"><b>Les graveurs de DVD</b><br></font></a>\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">Quel graveur choisir&#160;? Quel type de format&#160;? Quelle vitesse&#160;? Double couche ou simple couche&#160;? Voici tout ce qu\'il faut savoir pour faire le bon choix.</font></div>\r\n\t\t\t\t\t\t</div>\r\n\t\t</td>\r\n\t</tr>\r\n</table>\r\n</td> <!-- - ZONE M0 -->\r\n<!-- + ZONE M1 -->\r\n<!-- modele Ma_DirectLab //-->\r\n    <td valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=13><br>\r\n<table border=0 cellpadding=0 cellspacing=0 width=160>\r\n\t<tr>\r\n\t\t<td width=145><img src=\"http://www.01net.com/img/ban/Ban_v4_DirectLab_MA.gif\" vspace=1></td>\r\n\t\t<td rowspan=2 width=15><img src=\"http://www.01net.com/img/dot.gif\" width=15 height=1></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td>\r\n\t\t<div style=\"border:solid 1px #FFCC00;width:100%\">\r\n\t\t<div style=\"padding:4px;\">\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255744.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">\t\t\t\t\t\t\t<b>Kodak EasyShare Printer Dock Plus&#160;:</b>\r\n\t\t\t\t\t\tvos photos 10&#160;x&#160;15&#160;cm en 60&#160;secondes</font></a></div>\r\n\t\t\t\t<div style=\"padding:4px;\">\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255780.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">\t\t\t\t\t\t\t<b>3DMark05&#160;:</b>\r\n\t\t\t\t\t\tun labo 3D \340 domicile</font></a></div>\r\n\t\t\t\t<div style=\"padding:4px;\">\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255691.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">\t\t\t\t\t\t\t<b>DVDInfoPro 2.6</b>\r\n\t\t\t\t\t\treconna\356t CD et DVD</font></a></div>\r\n\t\t\t\t<div style=\"padding:4px;\">\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255722.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">\t\t\t\t\t\t\t<b>Scaleo PA D3008, de Fujitsu-Siemens&#160;:</b>\r\n\t\t\t\t\t\tune impression d\'inachev\351</font></a></div>\r\n\t\t\t\t<div style=\"padding:4px;\">\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255514.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">Carbon 5&#160;Go&#160;: 2&#160;500&#160;chansons dans le creux de la main</font></a></div>\r\n\t\t\t</div></td>\r\n\t</tr>\r\n</table>\r\n</td> <!-- - ZONE M1 -->\r\n<!-- + ZONE M2 -->\r\n<!-- DEBUT MicroAchat MA_AnnTelec -->\r\n<td valign=top>\r\n<script type=\"text/javascript\">\r\nfunction regionChange()\r\n{\r\ndocument.selection.departement.options.length=0;\r\nswitch(document.selection.region.value)\r\n\t{\r\n\t\tcase \"aucun\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Nord-Pas-de-Calais\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Pas-de-Calais\", \"Pas-de-Calais\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Nord\", \"Nord\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Haute-Normandie\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Eure\", \"Eure\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Seine-Maritime\", \"Seine-Maritime\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Basse-Normandie\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Manche\", \"Manche\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Calvados\", \"Calvados\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Orne\", \"Orne\");\r\n\t\tbreak;\r\n\t\tcase \"Picardie\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Somme\", \"Somme\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Oise\", \"Oise\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Aisne\", \"Aisne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Bretagne\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Finistere\", \"Finistere\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Cotes-dArmor\", \"Cotes-dArmor\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Morbihan\", \"Morbihan\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Ille-et-Vilaine\", \"Ille-et-Vilaine\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Pays-de-Loire\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Loire-Atlantique\", \"Loire-Atlantique\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Vendee\", \"Vendee\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Maine-et-Loire\", \"Maine-et-Loire\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Mayenne\", \"Mayenne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Sarthe\", \"Sarthe\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Centre\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Eure-et-Loir\", \"Eure-et-Loir\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Loiret\", \"Loiret\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Loir-et-Cher\", \"Loir-et-Cher\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Indre-et-Loire\", \"Indre-et-Loire\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Indre\", \"Indre\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Cher\", \"Cher\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Ile-de-France\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Val-dOise\", \"Val-dOise\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Yvelines\", \"Yvelines\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Essonne\", \"Essonne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Seine-et-Marne\", \"Seine-et-Marne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Hauts-de-Seine\", \"Hauts-de-Seine\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Seine-Saint-Denis\", \"Seine-Saint-Denis\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Val-de-Marne\", \"Val-de-Marne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Paris\", \"Paris\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Champagnes-Ardennes\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Ardennes\", \"Ardennes\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Marne\", \"Marne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Aube\", \"Aube\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Marne\", \"Haute-Marne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Lorraine\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Vosges\", \"Vosges\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Meurthe-et-Moselle\", \"Meurthe-et-Moselle\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Meuse\", \"Meuse\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Moselle\", \"Moselle\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Alsace\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Bas-Rhin\", \"Bas-Rhin\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haut-Rhin\", \"Haut-Rhin\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Franche-Compte\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Jura\", \"Jura\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Doubs\", \"Doubs\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Saone\", \"Haute-Saone\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Territoire-de-Belfort\", \"Territoire-de-Belfort\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Bourgogne\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Yonne\", \"Yonne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Nievre\", \"Nievre\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Cote-dOr\", \"Cote-dOr\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Saone-et-Loire\", \"Saone-et-Loire\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Poitou-Charentes\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Deux-Sevres\", \"Deux-Sevres\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Charente-Maritime\", \"Charente-Maritime\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Charente\", \"Charente\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Vienne\", \"Vienne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Limousin\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Vienne\", \"Haute-Vienne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Correze\", \"Correze\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Creuse\", \"Creuse\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Auvergne\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Allier\", \"Allier\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Puy-de-Dome\", \"Puy-de-Dome\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Cantal\", \"Cantal\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Loire\", \"Haute-Loire\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Rhone-Alpes\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Loire\", \"Loire\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Rhone\", \"Rhone\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Ain\", \"Ain\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Ardeche\", \"Ardeche\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Drome\", \"Drome\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Isere\", \"Isere\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Savoie\", \"Savoie\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Savoie\", \"Haute-Savoie\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Aquitaine\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Gironde\", \"Gironde\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Landes\", \"Landes\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Pyrenees-Atlantiques\", \"Pyrenees-Atlantiques\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Lot-et-Garonne\", \"Lot-et-Garonne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Dordogne\", \"Dordogne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Midi-Pyrenees\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Lot\", \"Lot\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Tarn-et-Garonne\", \"Tarn-et-Garonne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Gers\", \"Gers\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Hautes-Pyrenees\", \"Hautes-Pyrenees\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Garonne\", \"Haute-Garonne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Ariege\", \"Ariege\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Tarn\", \"Tarn\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Aveyron\", \"Aveyron\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Languedoc-Roussillon\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Pyrenees-Orientales\", \"Pyrenees-Orientales\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Aude\", \"Aude\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Herault\", \"Herault\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Gard\", \"Gard\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Lozere\", \"Lozere\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Provence-Alpes-Cote-dazur\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Bouches-du-Rhone\", \"Bouches-du-Rhone\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Vaucluse\", \"Vaucluse\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Alpes-de-haute-Provence\", \"Alpes-de-haute-Provence\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Hautes-Alpes\", \"Hautes-Alpes\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Var\", \"Var\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Alpes-Maritimes\", \"Alpes-Maritimes\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Corse\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Corse-du-Sud\", \"Corse-du-Sud\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Corse\", \"Haute-Corse\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"DomTom\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Guadeloupe\", \"Guadeloupe\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Guyane\", \"Guyane\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"La-Reunion\", \"La-Reunion\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Martinique\", \"Martinique\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Mayotte\", \"Mayotte\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"St-Pierre-et-Miquelon\", \"St-Pierre-et-Miquelon\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t}\r\n}\r\nfunction deptChange()\r\n{\r\nif (document.selection.departement.value == \'Paris\')\r\n\tdocument.getElementById(\'arrondissement\').style.display = \'inline\';\r\nelse\r\n\tdocument.getElementById(\'arrondissement\').style.display = \'none\';\r\n}\r\n</script>\r\n<table width=305 cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<td valign=top>\r\n\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=13><br>\r\n\t\t<table border=0 cellpadding=0 cellspacing=0 width=160>\r\n\t\t\t<tr>\r\n\t\t\t\t<td width=145><img src=\"http://www.01net.com/img/ban/Ban_v4_AnnuaiRev_MA.gif\" vspace=1></td>\r\n\t\t\t\t<td rowspan=2 width=15><img src=\"http://www.01net.com/img/dot.gif\" width=15 height=1></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr><form action=\"http://micro-achat.01net.com/annuaire/recherche.php\" method=\"post\" name=\"selection\">\r\n\t\t\t\t<td bgcolor=#FFFFDD>\r\n\t\t\t\t<div style=\"border:solid 1px #FFCC00;width:100%\"><div style=\"padding:2px;\"><img src=\"http://www.01net.com/img/v4/MA/carte_revend.gif\"><br>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b>Choisir une r\351gion</b><br></font>\r\n<select name=\"region\" onChange=\"regionChange()\" style=\"display : block; font-size:9px;font-variant:arial,helvetica,sans-serif;\">\r\n<option value=\"aucun\">-------------</option>\r\n<option value=\"Nord-Pas-de-Calais\">Nord-Pas-de-Calais</option>\r\n<option value=\"Haute-Normandie\">Haute-Normandie</option>\r\n<option value=\"Basse-Normandie\">Basse-Normandie</option>\r\n<option value=\"Picardie\">Picardie</option>\r\n<option value=\"Bretagne\">Bretagne</option>\r\n<option value=\"Pays-de-Loire\">Pays-de-Loire</option>\r\n<option value=\"Centre\">Centre</option>\r\n<option value=\"Ile-de-France\">Ile-de-France</option>\r\n<option value=\"Champagnes-Ardennes\">Champagne ardennes</option>\r\n<option value=\"Lorraine\">Lorraine</option>\r\n<option value=\"Alsace\">Alsace</option>\r\n<option value=\"Franche-Compte\">Franche-Compte</option>\r\n<option value=\"Bourgogne\">Bourgogne</option>\r\n<option value=\"Poitou-Charentes\">Poitou-Charentes</option>\r\n<option value=\"Limousin\">Limousin</option>\r\n<option value=\"Auvergne\">Auvergne</option>\r\n<option value=\"Rhone-Alpes\">Rhone-Alpes</option>\r\n<option value=\"Aquitaine\">Aquitaine</option>\r\n<option value=\"Midi-Pyrenees\">Midi-Pyrenees</option>\r\n<option value=\"Languedoc-Roussillon\">Languedoc roussillon</option>\r\n<option value=\"Provence-Alpes-Cote-dazur\">PACA</option>\r\n<option value=\"Corse\">Corse</option>\r\n<option value=\"DomTom\">DomTom</option>\r\n</select>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b>Un d\351partement</b><br></font>\r\n<select name=\"departement\" onChange=\"deptChange()\" style=\"display : block; font-size:9px;font-variant:arial,helvetica,sans-serif;\">\r\n<option value=\"aucun\">-------------</option>\r\n</select>\r\n<div id=\"arrondissement\" style=\"display : none;\">\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b>Un arrondissement</b><br></font>\r\n<select name=\"arrondissement\" style=\"display : block; font-size:9px;font-variant:arial,helvetica,sans-serif;\">\r\n<option value=\"0\">-------------</option>\r\n<option value=\"1\">I</option>\r\n<option value=\"2\">II</option>\r\n<option value=\"3\">III</option>\r\n<option value=\"4\">IV</option>\r\n<option value=\"5\">V</option>\r\n<option value=\"6\">VI</option>\r\n<option value=\"7\">VII</option>\r\n<option value=\"8\">VIII</option>\r\n<option value=\"9\">IX</option>\r\n<option value=\"10\">X</option>\r\n<option value=\"11\">XI</option>\r\n<option value=\"12\">XII</option>\r\n<option value=\"13\">XIII</option>\r\n<option value=\"14\">XIV</option>\r\n<option value=\"15\">XV</option>\r\n<option value=\"16\">XVI</option>\r\n<option value=\"17\">XVII</option>\r\n<option value=\"18\">XVIII</option>\r\n<option value=\"19\">XIX</option>\r\n<option value=\"20\">XX</option>\r\n</select>\r\n</div>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=10><br>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b>Recherche directe</b><br></font>\r\n\t\t\t\t<font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\"><img src=\"http://www.01net.com/img/dot.gif\" width=8 height=1>rechercher une ville<br><img src=\"http://www.01net.com/img/dot.gif\" width=8 height=1>et/ou une boutique<br></font>\r\n\t\t\t\t<input type=\"text\" name=\"recherchedirecte\" size=\"14\" style=\"display : block; font-size:9px;font-variant:arial,helvetica,sans-serif;width:130px;\" value=\"\" onFocus=\"javascript:document.selection.recherchedirecte.value=\'\'\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=3><br>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=28 height=1>&nbsp;<input type=\"image\" src=\"http://www.01net.com/img/v4/MA/ok_bloc_recher_MA.gif\" border=\"0\">\r\n\t\t\t\t<table height=23 width=135 cellspacing=0 cellpadding=0 border=0 bgcolor=#FFEE77>\r\n\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t<td bgcolor=#FFEE77 valign=middle align=center><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://micro-achat.01net.com/annuaire/\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b>Recherche avanc\351e</b></font></a></td>\r\n\t\t\t\t\t</tr>\r\n\t\t\t\t</table>\r\n\t\t\t\t</div>\r\n\t\t\t\t</div>\r\n\t\t\t\t</td>\r\n\t\t\t</tr></form>\r\n\t\t</table>\r\n\t\t</td>\r\n<!-- DEBUT MicroAchat MA_Telecharg //-->\r\n<td valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=13><br>\r\n<table width=\"145\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/v4/MA/Ban_v4_MA_telec.gif\"></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td>\r\n\t\t<table width=\"145\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" bgcolor=\"#DFECF6\">\r\n\t\t\t<tr>\r\n\t\t\t\t<td rowspan=\"17\"><img src=\"http://www.01net.com/img/dot.gif\" width=\"6\"></td>\r\n\t\t\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"></td>\r\n\t\t\t\t<td rowspan=\"17\"><img src=\"http://www.01net.com/img/dot.gif\" width=\"6\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Bureautique\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Bureautique</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Traducteur, organiseur...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Multimedia\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Multim\351dia</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Photo, audio, vid\351o...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Utilitaire\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Utilitaires</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Antivirus, pilotes, gravure...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Personnaliser\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Personnaliser son PC</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Ecrans de veille, th\350mes...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Programmation\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>D\351veloppement</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Cr\351ation de logiciels, BDD...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Jeux\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Jeux</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Action, simulation...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Internet\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Internet</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Utilitaires, email, FTP...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Loisirs\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Loisirs</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Humour, culture...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t</tr>\r\n</table>\r\n</td>\r\n<!-- FIN MicroAchat MA_Telecharg //-->  \t</tr>\r\n</table>\r\n</td>\r\n<!-- FIN MicroAchat MA_AnnTelec --> <!-- - ZONE M2 -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- + ZONE M3 -->\r\n<!-- - ZONE M3 -->\r\n<!-- + ZONE M4 -->\r\n<!-- - ZONE M4 -->\r\n<!-- + ZONE M5 -->\r\n<!-- - ZONE M5 -->\r\n<!-- -ZONE_Mn -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table border=0 cellpadding=0 cellspacing=0 width=*>\r\n\t\t<tr>\r\n<!-- +ZONE_tn -->\r\n<!-- + ZONE t0 -->\r\n<!-- - ZONE t0 -->\r\n<!-- + ZONE t1 -->\r\n<!-- - ZONE t1 -->\r\n<!-- + ZONE t2 -->\r\n<!-- - ZONE t2 -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- + ZONE t3 -->\r\n<!-- - ZONE t3 -->\r\n<!-- + ZONE t4 -->\r\n<!-- - ZONE t4 -->\r\n<!-- + ZONE t5 -->\r\n<!-- - ZONE t5 -->\r\n<!-- -ZONE_tn -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t\t<td valign=top>\r\n\t\t<table border=0 cellpadding=0 cellspacing=0 width=*>\r\n\t\t<tr>\r\n<!-- +ZONE_dn -->\r\n<!-- + ZONE d0 -->\r\n<!-- - ZONE d0 -->\r\n<!-- + ZONE d1 -->\r\n<!-- - ZONE d1 -->\r\n<!-- + ZONE d2 -->\r\n<!-- - ZONE d2 -->\r\n<!-- + ZONE d3 -->\r\n<!-- - ZONE d3 -->\r\n<!-- + ZONE d4 -->\r\n<!-- - ZONE d4 -->\r\n<!-- + ZONE d5 -->\r\n<!-- - ZONE d5 -->\r\n<!-- + ZONE d6 -->\r\n<!-- - 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src=\"http://www.01net.com/img/ban/Ban_v4_jx.gif\"><br>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=15><br>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=15 height=1>\r\n<a href=\"http://www.01net.com/rubrique/3339.html\"><img src=\"http://www.01net.com/img/journaux/01I-small.gif\" border=0 vspace=0 hspace=12 align=top></a>\r\n<a href=\"http://www.01net.com/rubrique/4051.html\"><img src=\"http://www.01net.com/img/journaux/DSI-small.gif\" border=0 vspace=0 hspace=12 align=top></a>\r\n<a href=\"http://www.01net.com/rubrique/3345.html\"><img src=\"http://www.01net.com/img/journaux/DIN-small.gif  content:             @ 1099872000000000: 'HTTP/1.1 200 OK\r\nX-Google-Crawl-Date: Mon, 08 Nov 2004 17:22:09 GMT\r\nContent-Type: text/html\r\nConnection: close\r\nX-Powered-By: PHP/4.3.8\r\nServer: Apache/1.3.31 (Unix) mod_gzip/1.3.19.1a PHP/4.3.8\r\nDate: Mon, 08 Nov 2004 17:19:07 GMT\r\n\r\n        <!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" 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style=\"background-image:url(/img/v4/tet_droite-mha.gif);background-position:bottom;background-repeat:repeat-x\"><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=66 align=left hspace=0 vspace=0></td>\r\n\t</tr>\r\n</table>\r\n<table width=100% cellspacing=0 cellpadding=0 border=0 bgcolor=#ffffff>\r\n\t<tr>\r\n\t\t<td valign=top background=\"http://www.01net.com/img/v4/fond_date-mha.gif\" height=18 width=500><img src=\"http://www.01net.com/img/dot.gif\" width=500 height=1><br><img src=\"http://www.01net.com/img/dot.gif\" width=19 height=1><font face=\"Arial\" size=1 color=#666666 style=\"font-size: 11px;\"><b>Derni\350re mise \340 jour de cette page : lundi 8 novembre 2004&nbsp;&nbsp;|&nbsp;&nbsp;16:45</b></font></td>\r\n\t\t<td width=100% background=\"http://www.01net.com/img/v4/fond_date2-mha.gif\" height=18></td>\r\n\t</tr>\r\n</table>\r\n<!-- ********** FIN MODELE INTERNE TETES MHA-tetev4 //--> <!-- - ZONE TETE -->\r\n<!-- 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background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/point.gif); background-repeat: repeat-x; background-position : 0px 3px;\" colspan=\"2\"><span style=\"float : left; position : relative; font-size : 10px; color : #cc0003; background-color : #ffffff;\">Imagerie&nbsp;</span></td>\n\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<td style=\"width : 65px; vertical-align : top;\"><img src=\"http://micro-achat.01net.com/img/photoproduit/12537-vignette.png\" alt=\"\" style=\"border : 1px solid #000000;\" /></td>\n\t\t\t\t\t\t\t<td style=\"width : 75px; font-size : 11px; font-weight : 700;\">\n\t\t\t\t\t\t\t\t<a style=\"color : #cc0003; text-decoration : none;\" href=\"http://micro-achat.01net.com/guide-produits/imagerie/moniteurs-lcd/l1720b/\">LG L1720B</a>\n\t\t\t\t\t\t\t\t<div style=\"text-align : center; width : 100%; font-size : 9px; font-weight : 100; margin-top : 5px;\">\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t<div style=\"width : 75px; height : 21px; color : #ffffff; font-size : 12px; font-weight : 700; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/fond-prix.gif);\"><span style=\"position : relative; top : 3px;\">332.89 &#128;</span></div>\n\t\t\t\t\t\t\t\t</div>\n\t\t\t\t\t\t\t</td>\n\t\t\t\t\t\t</tr><tr>\n\t\t\t\t\t\t\t<td style=\"height : 12px; vertical-align : top; padding : 0; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/point.gif); background-repeat: repeat-x; background-position : 0px 3px;\" colspan=\"2\"><span style=\"float : left; position : relative; font-size : 10px; color : #cc0003; background-color : #ffffff;\">Ordinateurs&nbsp;</span></td>\n\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<td style=\"width : 65px; vertical-align : top;\"><img src=\"http://micro-achat.01net.com/img/photoproduit/4043-vignette.png\" alt=\"\" style=\"border : 1px solid #000000;\" /></td>\n\t\t\t\t\t\t\t<td style=\"width : 75px; font-size : 11px; font-weight : 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color : #cc0003; background-color : #ffffff;\">Ordinateurs&nbsp;</span></td>\n\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<td style=\"width : 65px; vertical-align : top;\"><img src=\"http://micro-achat.01net.com/img/photoproduit/1903-vignette.png\" alt=\"\" style=\"border : 1px solid #000000;\" /></td>\n\t\t\t\t\t\t\t<td style=\"width : 75px; font-size : 11px; font-weight : 700;\">\n\t\t\t\t\t\t\t\t<a style=\"color : #cc0003; text-decoration : none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/mini-pc/sn95g5/\">Shuttle SN95G5</a>\n\t\t\t\t\t\t\t\t<div style=\"text-align : center; width : 100%; font-size : 9px; font-weight : 100; margin-top : 5px;\">\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t<div style=\"width : 75px; height : 21px; color : #ffffff; font-size : 12px; font-weight : 700; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/fond-prix.gif);\"><span style=\"position : relative; top : 3px;\">375 &#128;</span></div>\n\t\t\t\t\t\t\t\t</div>\n\t\t\t\t\t\t\t</td>\n\t\t\t\t\t\t</tr><tr>\n\t\t\t\t\t\t\t<td style=\"height : 12px; vertical-align : top; padding : 0; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/point.gif); background-repeat: repeat-x; background-position : 0px 3px;\" colspan=\"2\"><span style=\"float : left; position : relative; font-size : 10px; color : #cc0003; background-color : #ffffff;\">Composants&nbsp;</span></td>\n\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<td style=\"width : 65px; vertical-align : top;\"><img src=\"http://micro-achat.01net.com/img/photoproduit/1259-vignette.png\" alt=\"\" style=\"border : 1px solid #000000;\" /></td>\n\t\t\t\t\t\t\t<td style=\"width : 75px; font-size : 11px; font-weight : 700;\">\n\t\t\t\t\t\t\t\t<a style=\"color : #cc0003; text-decoration : none;\" href=\"http://micro-achat.01net.com/guide-produits/composants/cartes-meres/a7n8x-e-deluxe/\">Asus A7N8X-E Deluxe</a>\n\t\t\t\t\t\t\t\t<div style=\"text-align : center; width : 100%; font-size : 9px; font-weight : 100; margin-top : 5px;\">\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t<div style=\"width : 75px; height : 21px; color : #ffffff; font-size : 12px; font-weight : 700; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/fond-prix.gif);\"><span style=\"position : relative; top : 3px;\">91.99 &#128;</span></div>\n\t\t\t\t\t\t\t\t</div>\n\t\t\t\t\t\t\t</td>\n\t\t\t\t\t\t</tr><tr>\n\t\t\t\t\t\t\t<td style=\"height : 12px; vertical-align : top; padding : 0; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/point.gif); background-repeat: repeat-x; background-position : 0px 3px;\" colspan=\"2\"><span style=\"float : left; position : relative; font-size : 10px; color : #cc0003; background-color : #ffffff;\">Composants&nbsp;</span></td>\n\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<td style=\"width : 65px; vertical-align : top;\"><img src=\"http://micro-achat.01net.com/img/photoproduit/4687-vignette.png\" alt=\"\" style=\"border : 1px solid #000000;\" /></td>\n\t\t\t\t\t\t\t<td style=\"width : 75px; font-size : 11px; font-weight : 700;\">\n\t\t\t\t\t\t\t\t<a style=\"color : #cc0003; text-decoration : none;\" href=\"http://micro-achat.01net.com/guide-produits/composants/ventilateur/sp-94/\">Thermalright SP-94</a>\n\t\t\t\t\t\t\t\t<div style=\"text-align : center; width : 100%; font-size : 9px; font-weight : 100; margin-top : 5px;\">\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t<div style=\"width : 75px; height : 21px; color : #ffffff; font-size : 12px; font-weight : 700; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/fond-prix.gif);\"><span style=\"position : relative; top : 3px;\">49 &#128;</span></div>\n\t\t\t\t\t\t\t\t</div>\n\t\t\t\t\t\t\t</td>\n\t\t\t\t\t\t</tr></table>\n\t\t\t\t<table style=\"border-spacing : 0px 1px; width : 146px; margin-top : 15px;\" cellspacing=\"0\">\n\t\t\t\t<tr><th colspan=\"2\" style=\"padding : 0;\"><img src=\"http://micro-achat.01net.com/img/utils/micro-achat/tete-revendeurmisajour.gif\" alt=\"\" /></th></tr><tr style=\"background-color : #ddeeee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">1 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Rhone-Alpes/Ain/pc-look\" style=\"color : #000000; text-decoration : none;\">PC Look</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ccddee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">2 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Nord-Pas-de-Calais/Pas-de-Calais/atelier-informatique\" style=\"color : #000000; text-decoration : none;\">Atelier Informatique</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ddeeee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">3 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Val-de-Marne/zanax-multimedia\" style=\"color : #000000; text-decoration : none;\">Zanax Multim\351dia</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ccddee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">4 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Hauts-de-Seine/misteroops\" style=\"color : #000000; text-decoration : none;\">MISTEROOPS</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ddeeee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">5 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Paris/12/168-golden-avenue\" style=\"color : #000000; text-decoration : none;\">168 Golden Avenue</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ccddee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">6 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Seine-Saint-Denis/microchoix\" style=\"color : #000000; text-decoration : none;\">microchoix</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ddeeee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">7 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Paris/12/e-soph\" style=\"color : #000000; text-decoration : none;\">e-Soph</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ccddee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">8 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Paris/13/pc-price-club\" style=\"color : #000000; text-decoration : none;\">PC Price Club</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ddeeee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">9 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Seine-et-Marne/pc-77\" style=\"color : #000000; text-decoration : none;\">PC 77</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ccddee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">10 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Alsace/Bas-Rhin/web-in-informatique\" style=\"color : #000000; text-decoration : none;\">Web In Informatique</a></td>\n\t\t\t\t</tr></table>\n\t\t\t\t</div>\n\t\t\t\t<br>\r\n<!-- FIN MA_ColD --> <!-- - ZONE D0 -->\r\n<!-- + ZONE D1 -->\r\n<!-- - ZONE D1 -->\r\n<!-- + ZONE D2 -->\r\n<!-- - ZONE D2 -->\r\n<!-- -ZONE_Dn -->\r\n</td>\r\n\t</tr>\r\n<!-- FIN PARTIE PUB //-->\r\n\t<tr>\r\n\t\t<td valign=top width=193 height=100% background=\"http://www.01net.com/img/v4/sepgrisedroite.gif\">\r\n\t\t<!-- contenu colonne de gauche //-->\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0  background=\"http://www.01net.com/img/v4/sepgrisedroite.gif\">\r\n<!-- +ZONE_Gn -->\r\n<!-- + ZONE G0 -->\r\n<tr><!-- ********** DEBUT MHA_MenusChainesV4 //-->\r\n<td valign=top>\n<table border=0 cellpadding=0 cellspacing=0 width=193 bgcolor=#FFFFFF>\n<tr>\n<td background=\"/img/v4/menus/motifgauche_menus.gif\" width=20 rowspan=2><img src=\"/img/dot.gif\" width=20 height=20></td>\n<td width=173 colspan=2 bgcolor=#FFFFFF><img src=\"/img/dot.gif\" width=173 height=20></td>\n</tr>\n<tr>\n<td valign=top width=159>\n\n<a href=\"http://www.01net.com\"><img src=\"/img/v4/menus/mha/home01net-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com\"><img src=\"/img/v4/menus/mha/home-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4317.html\"><img src=\"/img/v4/menus/mha/ordinateurs-2.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4318.html\"><img src=\"/img/v4/menus/mha/composants-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4319.html\"><img src=\"/img/v4/menus/mha/stockage-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4320.html\"><img src=\"/img/v4/menus/mha/image-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4321.html\"><img src=\"/img/v4/menus/mha/peripheriques-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4322.html\"><img src=\"/img/v4/menus/mha/reseaux-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4323.html\"><img src=\"/img/v4/menus/mha/accessoires-1.gif\" width=159 border=0></a><br>\n<a href=\"http://micro-achat.01net.com/guide-produits/\"><img src=\"/img/v4/menus/mha/comparateur-1.gif\" width=159 border=0></a><br>\n<a href=\"http://micro-achat.01net.com/annuaire/\"><img src=\"/img/v4/menus/mha/annuaire-1.gif\" width=159 border=0></a><br></td>\n<td width=14><img src=\"/img/dot.gif\" width=14 height=14></td>\n</tr>\n<tr>\n<td colspan=3><img src=\"/img/v4/menus/bas_menus.gif\" width=193 height=31></td>\n</tr>\n</table></td><!-- ********** FIN MHA_MenusChainesV4 //--> </tr><!-- - ZONE G0 -->\r\n<!-- + ZONE G1 -->\r\n<tr><!-- DEBUT MODELE RUBRIQUE V4ColGaucheMHA //-->\r\n<!-- ********** DEBUT BLOC DernieresNewsTC //-->\r\n<td valign=top>\r\n<!-- DEBUT RECHERCHE MHA -->\r\n<table width=* cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n\t\t\t<td valign=top background=\"http://microachat.01net.com/img/v4/fond_rech_mha.gif\" height=98 style=\"background-repeat:no-repeat;\"><form method=\"get\" name=\"chercher\" action=\"http://www.01net.com/aiguillage_recherche/1,6138,,00.html\"><img src=\"http://microachat.01net.com/img/dot.gif\" width=193 height=17><br>\r\n\t\t\t<img src=\"http://microachat.01net.com/img/dot.gif\" width=28 height=1><input type=\"text\" name=\"fullText\" style=\"width:130px;font:12px;\"><br><img src=\"http://microachat.01net.com/img/dot.gif\" width=1 height=6><br>\r\n\t\t\t<img src=\"http://microachat.01net.com/img/dot.gif\" width=28 height=1><select name=\"sousArbo\" style=\"width:130px;font:12px;\">\r\n\t\t\t<option value=\"mha\">dans Micro Achat\r\n\t\t\t<option value=\"cmp\">les prix\r\n\t\t\t<option value=\"ann\">les revendeurs\r\n\t\t\t<option value=\"2641\">tout 01net.\r\n\t\t\t<option value=\"emploi\">les offres d\'emploi\r\n\t\t\t<option value=\"telecharger\"> telecharger.com\r\n\t\t\t<option value=\"web\">le web\r\n\t\t\t</select><br><img src=\"http://microachat.01net.com/img/dot.gif\" width=1 height=9><br>\r\n\t\t\t<img src=\"http://microachat.01net.com/img/dot.gif\" width=28 height=1><input type=\"image\" src=\"http://microachat.01net.com/img/v4/ok_bloc_recher_mha.gif\" border=\"0\"></form>\r\n\t\t\t</td>\r\n\t\t</tr>\r\n</table>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=10 vspace=0>\r\n<!-- FIN RECHERCHE MHA -->\r\n      <!-- modele TCFilColgTitV4 //-->\r\n    <table width=193 cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td valign=top>\r\n\t\t<table width=155 cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=2><img src=\"http://www.01net.com/img/ban/Ban_v4_DernieresNews01net.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4></td>\r\n\t\t\t</tr>\r\n\t\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"></td>\r\n\t\t\t\t<td valign=top><A HREF=\"http://www.01net.com/article/256059.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">CD et DVD bient\364t insensibles aux rayures<br></font></a><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=2></td>\r\n\t\t\t</tr>\r\n\t\t\t\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"></td>\r\n\t\t\t\t<td valign=top><A HREF=\"http://www.01net.com/article/255796.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">OpenOffice gagne son service<br></font></a><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=2></td>\r\n\t\t\t</tr>\r\n\t\t\t\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"></td>\r\n\t\t\t\t<td valign=top><A HREF=\"http://www.01net.com/article/255731.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">La messagerie en cinq minutes selon Ipswitch<br></font></a><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=2></td>\r\n\t\t\t</tr>\r\n\t\t\t\t\t\t\t\t<tr>\r\n\t\t\t\t<td valign=top colspan=2><A HREF=\"http://www.01net.com/actus/\" style=\"text-decoration:none;\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\">> toutes les news<br></font></a></td>\r\n\t\t\t</tr>\r\n\t\t\t\t<tr>\r\n\t\t\t\t<td colspan=2><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/crochet_bleuhaut_155.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t</tr>\r\n</table>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=20> <!-- ********** FIN BLOC DernieresNewsTC //-->\r\n<!-- ********** DEBUT BLOC  NL_MHA //-->\r\n<SCRIPT language=\"javascript\" src=\"http://www.01net.com/js/lib.js\"></SCRIPT>\r\n<table width=* cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<FORM name=\"formgen\" method=\"get\" action=\"http://microachat.01net.com/outils/newsletter_MicroAchat.html\" onSubmit=\"return validateForm(this)\">\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td width=155 colspan=4><img src=\"http://www.01net.com/img/ban/Ban_V4_Newslett.gif\"></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td width=10><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td width=1 bgcolor=#CC0000><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t<td width=153>\r\n\t\t<table width=153 cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t<tr>\r\n\t\t\t\t<td width=10><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t\t\t<td valign=top><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/flechefinefd_ffffff.gif\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Recevez chaque jour l\'actualit\351 des produits et des promos<br></font>\r\n\t\t\t\t<table width=* cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t<td><input type=\"text\" name=\"email\" size=\"14\" style=\"width:130px;font:12px;\" value=\"entrez votre e-mail\" onFocus=\"javascript:document.formgen.email.value=\'\'\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=9><br>\r\n\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=28 height=1><input type=\"image\" src=\"http://www.01net.com/img/v4/ok_bloc_recher.gif\" border=\"0\"></td>\r\n\t\t\t\t\t</tr>\r\n\t\t\t\t</table>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t\t<td width=1 bgcolor=#CC0000><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td width=155 colspan=4><img src=\"http://www.01net.com/img/v4/base_newsletters.gif\"></td>\r\n\t\t</FORM>\r\n\t</tr>\r\n</table>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=20>\r\n<SCRIPT language=\"Javascript\">\r\ndocument.formgen.email.validator= \'notNullEmailPat\';\r\ndocument.formgen.email.nomvalidator= \'E-mail\';\r\n</SCRIPT>\r\n<!-- ********** FIN BLOC NL_MHA //-->\r\n</td>\r\n</tr>\r\n<tr>\r\n<!-- ********** DEBUT BLOC Actus ActusUneV4 //-->\r\n<td valign=top background=\"http://www.01net.com/img/v4/sepgrisedroite.gif\">\r\n<table width=193 cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td valign=top>\r\n\t\t<table width=155 cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=4><img src=\"http://www.01net.com/img/ban/Ban_v4_LaUne.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t\t\t<td valign=top><a href=\"http://www.01net.com/entreprise/\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b><u>Entreprise</u></b><br></font></a>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://www.01net.com/article/255737.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">Quand le billet papier s\'envole vers la d\351mat\351rialisation</font></a></td>\r\n\t\t\t\t<td valign=top width=2><img src=\"http://www.01net.com/img/dot.gif\" width=2 height=1></td>\r\n\t\t\t\t<td valign=top><a href=\"http://www.01net.com/article/255737.html\"><img src=\"http://www.01net.com/img/MEA_v4/billet_virtuel-65.jpg\" border=0></a></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=4><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/LaUne_Sep.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t\t\t<td valign=top><a href=\"http://www.01net.com/pratique/\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b><u>Trucs et astuces</u></b><br></font></a>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"/article/255698.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">D\351pannez Windows XP</font></a></td>\r\n\t\t\t\t<td valign=top width=2><img src=\"http://www.01net.com/img/dot.gif\" width=2 height=1></td>\r\n\t\t\t\t<td valign=top><a href=\"http://www.01net.com/article/255698.html\"><img src=\"http://www.01net.com/img/MEA_v4/depannez_XP-65.jpg\" border=0 ></a></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=4><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/LaUne_Sep.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t\t</tr>\r\n\t\t    <tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t\t\t<td valign=top colspan=3><a href=\"http://www.01net.com/conso/\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b><u>Conso</u></b><br></font></a>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"/article/255524.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">Vos photos sur papier imprimante ou labo ?<br></font></a></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=4><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/LaUne_Sep.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t<!-- exemple de lien avec pseudorub pour produits et tests -->\r\n\t\t<!-- <a href=\"/outils/PseudoRub.php?base=test-comp&rub=1730&pseudo=test-comp20041005\"> -->\r\n\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t\t\t<td valign=top colspan=3><a href=\"http://www.01net.com/produits/\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b><u>Produits &amp; Tests</u></b><br></font></a>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"/article/255782.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">5 programmes d\222encodage vid\351o gratuits<br></font></a></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=4><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/LaUne_Sep.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t</tr>\r\n</table>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=20>\r\n</td>\r\n<!-- ********** FIN BLOC Actus ActusUneV4 //-->    </tr>\r\n<tr>\r\n<td>\r\n<table width=193 cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td valign=top><a href=\"mailto:s.cohen@micro-achat.fr\"><img border=0 src=\"http://www.01net.com/img/v4/espace-revendeurs.gif\"></td>\r\n\t</tr>\r\n</table>\r\n<br>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=20></td>\r\n<!-- FIN MODELE RUBRIQUE V4ColGaucheMHA //-->  </tr><!-- - ZONE G1 -->\r\n<!-- + ZONE G2 -->\r\n<!-- - ZONE G2 -->\r\n<!-- + ZONE G3 -->\r\n<!-- - ZONE G3 -->\r\n<!-- + ZONE G4 -->\r\n<!-- - ZONE G4 -->\r\n<!-- + ZONE G5 -->\r\n<!-- - ZONE G5 -->\r\n<!-- + ZONE G6 -->\r\n<!-- - ZONE G6 -->\r\n<!-- + ZONE G7 -->\r\n<!-- - ZONE G7 -->\r\n<!-- + ZONE G8 -->\r\n<!-- - ZONE G8 -->\r\n<!-- + ZONE G9 -->\r\n<!-- - ZONE G9 -->\r\n<!-- + ZONE GA -->\r\n<!-- - ZONE GA -->\r\n<!-- + ZONE GB -->\r\n<!-- - ZONE GB -->\r\n<!-- + ZONE GC -->\r\n<!-- - ZONE GC -->\r\n<!-- + ZONE GD -->\r\n<!-- - ZONE GD -->\r\n<!-- + ZONE GE -->\r\n<!-- - ZONE GE -->\r\n<!-- + ZONE GF -->\r\n<!-- - ZONE GF -->\r\n<!-- -ZONE_Gn -->\r\n\t\t</table>\r\n\t\t<!-- fin contenu colonne de gauche //-->\r\n\t\t</td>\r\n<!-- ***************************************************************** DEBUT VENTRE*********************************************************************************************************************************************** //-->\r\n<!-- DEBUT WORK -->\r\n\t\t<td valign=top width=625 bgcolor=#ffffff><img src=\"http://www.01net.com/img/dot.gif\" width=625 height=1><br>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- +ZONE_hn -->\r\n<!-- + ZONE h0 -->\r\n<!-- MA_ban_int -->\r\n<td valign=\"top\">\r\n<img src=\"/img/dot.gif\" height=\"18\"><br>\r\n<!-- pour ordipda -->\r\n<table width=\"625\" cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<td><img src=\"/img/v4/MA/Ban_MA_ordis.gif\"></td>\r\n\t</tr>\r\n</table>\r\n\t</td>\r\n<!-- /MA_ban_int -->     <!-- - ZONE h0 -->\r\n<!-- + ZONE h1 -->\r\n<!-- - ZONE h1 -->\r\n<!-- + ZONE h2 -->\r\n<!-- - ZONE h2 -->\r\n<!-- -ZONE_hn -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- +ZONE_Hn -->\r\n<!-- + ZONE H0 -->\r\n<!-- Ma_int_Leader -->\r\n    <td valign=top>\r\n<img src=\"/img/dot.gif\" width=1 height=18><br>\r\n<table border=0 cellpadding=0 cellspacing=0 width=320>\r\n<tr>\r\n\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<td width=144 valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=143 height=1 vspace=0><br>\r\n<font face=arial,helvetica size=1 color=#CC0000 style=font-size:11px;>Portable</font><br>\r\n<A HREF=\"/article/256198.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=font-size:14px;><b>Un nouvel ultra portable r\351alis\351 par Nec</b></font></a><br>\r\n<!--debut  insertion image //-->\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"/article/256198.html\" style=\"text-decoration:none;color:#000000;\"><img src=\"/images/67509.jpg.res_100-100.jpg\" border=0 hspace=0 vspace=0></a><br>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t<!-- fin insertion image //-->\r\n<font face=arial,helvetica size=2 color=#000000 style=font-size:12px;><img src=\"/img/v4/flechefine_fondtransp.gif\">Le Versa S940 a un format r\351duit, mais ses performances sont \340 la hauteur.</font><br>\r\n<font face=arial,helvetica size=1 color=#CC0000 style=font-size:12px;>\340 partir de 1663&#160;\200</font>\r\n</td>\r\n<td width=17 background=\"/img/v4/MA/v4-fond-sep-mea-leader.gif\"><img src=\"/img/dot.gif\" width=17 height=1></td>\r\n\t\t\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<td width=144 valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=143 height=1 vspace=0><br>\r\n<font face=arial,helvetica size=1 color=#CC0000 style=font-size:11px;>Portable</font><br>\r\n<A HREF=\"/article/255194.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=font-size:14px;><b>Asus pr\351sente trois petits nouveaux dans la gamme A3N</b></font></a><br>\r\n<!--debut  insertion image //-->\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"/article/255194.html\" style=\"text-decoration:none;color:#000000;\"><img src=\"/images/67168.jpg.res_100-100.jpg\" border=0 hspace=0 vspace=0></a><br>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t<!-- fin insertion image //-->\r\n<font face=arial,helvetica size=2 color=#000000 style=font-size:12px;><img src=\"/img/v4/flechefine_fondtransp.gif\">Ces trois portables Centrino int\350grent, entre autres, une webcam et un contr\364leur Wi-Fi.</font><br>\r\n<font face=arial,helvetica size=1 color=#CC0000 style=font-size:12px;>\340 partir de 1346&#160;\200</font>\r\n</td>\r\n<td width=15><img src=\"/img/dot.gif\" width=15 height=1></td>\r\n\t\t\t\t</tr>\r\n</table>\r\n</td>\r\n<!-- /Ma_int_Leader -->    <!-- - ZONE H0 -->\r\n<!-- + ZONE H1 -->\r\n<!-- - ZONE H1 -->\r\n<!-- + ZONE H2 -->\r\n<!-- MA_BP_MP -->\r\n<td valign=\"top\" width=\"100%\">\r\n\t<table width=\"100%\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\">\r\n\t<tr>\r\n\t<td width=\"50%\" valign=\"top\">\r\n\t<!-- DEBUT MicroAchat MA_BonPlan -->\r\n<td valign=top>\r\n<img src=\"/img/dot.gif\" width=1 height=18><br>\r\n<table border=0 cellpadding=1 cellspacing=0 width=145 bgcolor=#CC0000>\r\n<tr>\r\n<td align=center><font face=arial,helvetica size=1 color=#FFFFFF style=\"font-size:11px;\">BON PLAN</a></font></td>\r\n</tr>\r\n<tr>\r\n<td  width=145>\r\n<div style=\"padding:5px;padding-left:5px;padding-fight:5px;margin:0px;margin-left:1px;margin-right:1px;background-color:#FFFFFF;\">\r\n<img src=\"/img/microachat/logo_shuttle_SB83G5.gif\" border=0><br>\r\n<font face=arial,helvetica size=2 color=#CC0000 style=\"font-size:12px;\">Les derni\350res technologies INTEL dans un nouveau design pour ce shuttle haut de gamme, pour un prix abordable.<br></font>\r\n<center><a href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/mini-pc/sb83g5/?fabriquant=1&page=1&tri=titre\"><img src=\"/img/microachat/mea_shuttle_SB83G5.gif\" border=0 vspace=5></a><br></center>\r\n<center>\r\n<font face=arial,helvetica size=2 color=#CC0000 style=\"font-size:13px;\"><b>\340 partir de</b><br>\r\n<div style=\"border:solid 2px #CC0000;width:100px;background-color:#FFCC00;\"><b>415 \200</b></div>\r\n</center>\r\n</div>\r\n</td>\r\n</tr>\r\n<tr>\r\n<td align=center><font face=arial,helvetica size=1 color=#FFFFFF style=\"font-size:11px;\">publicit\351</a></font></td>\r\n</tr>\r\n</table>\r\n</td>\r\n<!-- FIN MicroAchat MA_BonPlan -->  \t</td>\r\n\t<td width=\"15\"><img src=\"/img/dot.gif\" width=\"15\"></td>\r\n\t<td width=\"50%\" valign=\"top\">\r\n\t<!-- DEBUT MicroAchat MA_MeillPrixAct //-->\r\n<td valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=145 height=1><br>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=18><br>\r\n<table width=* cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<FORM name=\"prix\" action=\"http://www.micro-achat.01net.com/guide-produits/recherche.php\" method=\"post\">\r\n\t\t<td width=145 colspan=3><img src=\"http://www.01net.com/img/ban/Ban_v4_MeillPrix_MA.gif\"></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td width=1 bgcolor=#FFCC00><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t<td width=143>\r\n\t\t<table width=143 cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t<tr>\r\n\t\t\t\t<td width=6><img src=\"http://www.01net.com/img/dot.gif\" width=6 height=1></td>\r\n\t\t\t\t<td valign=top><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=15><br>\r\n\t\t\t\t\t\t\t\t\t\t\t\t<img src=\"http://www.01net.com/img/ban/Ban_MA_trouv_ordi.gif\"><br>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/desktops/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Desktops</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/portables/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Portables</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/mini-pc/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Mini-PC</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/pda---tablets-pc/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Pda / Tablets-PC</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/apple/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Apple</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/gps/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">GPS</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=20><br>\r\n\t\t\t\t\t\t\t\t<table width=* cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t<td><input type=\"text\" name=\"recherchedirecte\" size=\"14\" style=\"width:130px;font:12px;\" value=\"     recherche directe\" onFocus=\"javascript:document.prix.recherchedirecte.value=\'\'\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=9><br>\r\n\t\t\t\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=28 height=1><input type=\"image\" src=\"/img/v4/MA/ok_bloc_recher_MA.gif\" border=\"0\"></td>\r\n\t\t\t\t\t</tr>\r\n\t\t\t\t</table>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t\t<td width=1 bgcolor=#FFCC00><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td width=145 colspan=3><img src=\"http://www.01net.com/img/v4/MA/base_meillPrix.gif\"></td>\r\n\t\t</FORM>\r\n\t</tr>\r\n</table>\r\n</td>\r\n<!-- FIN MicroAchat MA_MeillPrixAct //-->  \t</td>\r\n\t</tr>\r\n\t</table>\r\n</td>\r\n<!-- /MA_BP_MP -->  <!-- - ZONE H2 -->\r\n<!-- -ZONE_Hn -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- +ZONE_Tn -->\r\n<!-- + ZONE T0 -->\r\n    <td valign=\"top\">\r\n<img src=\"http://www.01net.com/img/dot.gif\" height=13><br>\r\n<table border=0 width=320 cellpadding=0 cellspacing=0>\r\n<tr>\r\n<td width=305><img src=\"http://www.01net.com/img/ban/Ban_v4_DernNews_MA.gif\"><br><img src=\"http://www.01net.com/img/v4/MA/v4-tiret-hauts-mha.gif\"></td>\r\n<td rowspan=2 width=15><img src=\"http://www.01net.com/img/dot.gif\" width=15 height=1></td>\r\n</tr>\r\n<tr>\r\n<td bgcolor=\"#FEF9E0\">\r\n\t<table width=\"100%\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">\r\n\t\t<tr>\r\n\t<td><div style=\"padding:2px;width:100%;\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#CC0000\" style=\"font-size:11px;\"><b>Portable&nbsp;<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255149.html\" style=\"color:#000000;text-decoration:none;\">Toshiba consacre deux gammes de machines au multim\351dia</a></b><br>\r\n\t<font color=\"#000000\">Equipement haut de gamme et Windows Media Center sont au menu de ces portables \340 vocation multim\351dia.<br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4><br></font></td>\r\n\t</tr>\r\n\t\t\t\t<tr>\r\n\t<td><div style=\"padding:2px;width:100%;\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#CC0000\" style=\"font-size:11px;\"><b>Ordinateur&nbsp;<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/254686.html\" style=\"color:#000000;text-decoration:none;\">Arriv\351e d\'un Power Mac G5 d\'entr\351e de gamme</a></b><br>\r\n\t<font color=\"#000000\">La firme \340 la pomme propose une station de travail \351volutive et relativement abordable.<br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4><br></font></td>\r\n\t</tr>\r\n\t\t\t\t<tr>\r\n\t<td><div style=\"padding:2px;width:100%;\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#CC0000\" style=\"font-size:11px;\"><b>PC&nbsp;<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/254549.html\" style=\"color:#000000;text-decoration:none;\">Alienware propose deux machines au look \351trange</a></b><br>\r\n\t<font color=\"#000000\">Aurora et Area 51 sont deux gammes d\'ordinateurs enti\350rement configurables.<br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4><br></font></td>\r\n\t</tr>\r\n\t\t\t\t<tr>\r\n\t<td><div style=\"padding:2px;width:100%;\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#CC0000\" style=\"font-size:11px;\"><b>Portable&nbsp;<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/254501.html\" style=\"color:#000000;text-decoration:none;\">Trois nouveaux iBook G4 chez Apple</a></b><br>\r\n\t<font color=\"#000000\">Chez Apple, les portables gagnent en vitesse et communiquent sans fil en standard.<br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4><br></font></td>\r\n\t</tr>\r\n\t\t\t\t\t<tr>\r\n\t<td><img src=\"http://www.01net.com/img/dot.gif\" height=10></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-red-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=1></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td align=\"right\">\r\n\t\t\t\t<A HREF=\"http://microachat.01net.com/rubrique/4365.html\"  style=\"text-decoration:none;\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 10px;\">> toutes les news</font></a>\r\n\t\t\t</td>\r\n\t</tr>\r\n\t</table>\r\n</td>\r\n</tr>\r\n</table>\r\n</td> <!-- - ZONE T0 -->\r\n<!-- + ZONE T1 -->\r\n<!-- Ma_derpromo  -->\r\n    <td valign=\"top\">\r\n<img src=\"/img/dot.gif\" height=13><br>\r\n<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"305\" bgcolor=\"#E9EDFC\">\r\n<tr>\r\n<td bgcolor=\"#ffffff\"><img src=\"/img/v4/MA/v4-lespromos-mha.gif\"><br><img src=\"/img/v4/MA/v4-tiret-hauts-mha.gif\"></td>\r\n</tr>\r\n</table>\r\n<!-- DEBUT MODELE D\'AFFICHAGE POUR LES n PREMIERS ARTICLES //-->\r\n\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"305\" bgcolor=\"#E9EDFC\">\r\n<tr>\r\n<td colspan=\"5\"><img src=\"/img/dot.gif\" width=\"9\"></td>\r\n</tr>\r\n<tr>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"42\" valign=\"top\">\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"/article/255806.html\" class=\"nodeco\"><img src=\"/images/67462.jpg\" border=0 hspace=0 vspace=0 width=\"42\" height=\"42\"></a>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t</td>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"*\"  valign=\"top\"><A HREF=\"/article/255806.html\" class=\"nodeco\"><font face=\"arial,helvetica\" size=2 color=\"#000000\" style=\"font-size:11px;\"><b>Asus A3N15-C Pro</b></a><br>\r\n&nbsp;<img src=\"/img/v4/flechefine_fondtransp.gif\">Voici un portable autonome et puissant gr\342ce \340 la technologie Intel Centrino.<br></font></td>\r\n</tr>\r\n<tr>\r\n<td colspan=\"5\" align=\"right\">\r\n\t<table width=\"80\" border=\"0\" bgcolor=\"#ffffff\" cellpadding=\"0\" cellspacing=\"0\">\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t<td width=\"76\" align=\"center\" bgcolor=\"#CC0000\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#ffffff\" style=\"font-size:11px;\"><b>1170&#160;\200</b></font></td>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t</table>\r\n</td>\r\n</tr>\r\n</table>\r\n\t\t\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"305\" bgcolor=\"#E9EDFC\">\r\n<tr>\r\n<td colspan=\"5\"><img src=\"/img/dot.gif\" width=\"9\"></td>\r\n</tr>\r\n<tr>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"42\" valign=\"top\">\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"/article/255688.html\" class=\"nodeco\"><img src=\"/images/67381.jpg\" border=0 hspace=0 vspace=0 width=\"42\" height=\"42\"></a>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t</td>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"*\"  valign=\"top\"><A HREF=\"/article/255688.html\" class=\"nodeco\"><font face=\"arial,helvetica\" size=2 color=\"#000000\" style=\"font-size:11px;\"><b>Soltek EQ3702A Miroir</b></a><br>\r\n&nbsp;<img src=\"/img/v4/flechefine_fondtransp.gif\">Ce mini PC est une solution int\351ressante pour les utilisateurs poss\351dant d\351j\340 un \351cran.<br></font></td>\r\n</tr>\r\n<tr>\r\n<td colspan=\"5\" align=\"right\">\r\n\t<table width=\"80\" border=\"0\" bgcolor=\"#ffffff\" cellpadding=\"0\" cellspacing=\"0\">\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t<td width=\"76\" align=\"center\" bgcolor=\"#CC0000\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#ffffff\" style=\"font-size:11px;\"><b>559&#160;\200</b></font></td>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t</table>\r\n</td>\r\n</tr>\r\n</table>\r\n\t\t\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"305\" bgcolor=\"#E9EDFC\">\r\n<tr>\r\n<td colspan=\"5\"><img src=\"/img/dot.gif\" width=\"9\"></td>\r\n</tr>\r\n<tr>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"42\" valign=\"top\">\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"/article/255513.html\" class=\"nodeco\"><img src=\"/images/67319.jpg\" border=0 hspace=0 vspace=0 width=\"42\" height=\"42\"></a>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t</td>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"*\"  valign=\"top\"><A HREF=\"/article/255513.html\" class=\"nodeco\"><font face=\"arial,helvetica\" size=2 color=\"#000000\" style=\"font-size:11px;\"><b>IBM ThinkPad R51</b></a><br>\r\n&nbsp;<img src=\"/img/v4/flechefine_fondtransp.gif\">Voici un portable complet et pourtant relativement l\351ger.<br></font></td>\r\n</tr>\r\n<tr>\r\n<td colspan=\"5\" align=\"right\">\r\n\t<table width=\"80\" border=\"0\" bgcolor=\"#ffffff\" cellpadding=\"0\" cellspacing=\"0\">\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t<td width=\"76\" align=\"center\" bgcolor=\"#CC0000\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#ffffff\" style=\"font-size:11px;\"><b>1299&#160;\200</b></font></td>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t</table>\r\n</td>\r\n</tr>\r\n</table>\r\n\t\t\t\t<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"305\" bgcolor=\"#E9EDFC\">\r\n<tr>\r\n<td><img src=\"http://www.01net.com/img/dot.gif\" height=10></td>\r\n</tr>\r\n<tr>\r\n<td background=\"/img/v4/MA/v4-sep-red-mha.gif\"><img src=\"/img/dot.gif\" height=1></td>\r\n</tr>\r\n<tr>\r\n<td align=\"right\" valign=\"top\">\r\n\t\t\t\t<A HREF=\"http://microachat.01net.com/rubrique/4366.html\"  style=\"text-decoration:none;\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 10px;\">> toutes les promos</font></a>\r\n\t\t</td>\r\n</tr>\r\n</table>\r\n</td>\r\n<!-- /Ma_derpromo  -->   <!-- - ZONE T1 -->\r\n<!-- + ZONE T2 -->\r\n<!-- - ZONE T2 -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- + ZONE T3 -->\r\n<!-- DEBUT MicroAchat MA_PubG -->\r\n<td valign=top align=center>\r\n<table border=0 width=320 cellpadding=0 cellspacing=0>\r\n\t<tr>\r\n\t\t<td width=305><img src=\"/img/dot.gif\" width=1 height=12><br><a href=\"http://www.smartadserver.com/call/cliccommand/45590/[timestamp]?\" target=_blank><img src=\"/img/microachat/Bandeau_FX6021.jpg\" border=0></a></td>\r\n\t\t<td><img src=\"/img/dot.gif\" width=15 height=1></td>\r\n\t</tr>\r\n</table>\r\n</td>\r\n<!-- FIN MicroAchat MA_PubG -->  <!-- - ZONE T3 -->\r\n<!-- + ZONE T4 -->\r\n<!-- DEBUT MicroAchat MA_PubD -->\r\n<td valign=top align=center>\r\n<table border=0 width=305 cellpadding=0 cellspacing=0>\r\n\t<tr>\r\n\t\t<td width=305><img src=\"/img/dot.gif\" width=1 height=12><br><a href=\"http://www.smartadserver.com/call/cliccommand/45591/[timestamp]?\" target=_blank><img src=\"/img/microachat/twc_305x125.jpg\" border=0></a></td>\r\n\t</tr>\r\n</table>\r\n</td>\r\n<!-- FIN  MicroAchat MA_PubD --> <!-- - ZONE T4 -->\r\n<!-- + ZONE T5 -->\r\n<!-- - ZONE T5 -->\r\n<!-- -ZONE_Tn -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n\t\t\t<td valign=top>\r\n\t\t\t<table border=0 cellpadding=0 cellspacing=0 width=*>\r\n<!-- +ZONE_gn -->\r\n<!-- + ZONE g0 -->\r\n<!-- - ZONE g0 -->\r\n<!-- + ZONE g1 -->\r\n<!-- - ZONE g1 -->\r\n<!-- + ZONE g2 -->\r\n<!-- - ZONE g2 -->\r\n<!-- + ZONE g3 -->\r\n<!-- - ZONE g3 -->\r\n<!-- + ZONE g4 -->\r\n<!-- - ZONE g4 -->\r\n<!-- + ZONE g5 -->\r\n<!-- - ZONE g5 -->\r\n<!-- + ZONE g6 -->\r\n<!-- - ZONE g6 -->\r\n<!-- + ZONE g7 -->\r\n<!-- - ZONE g7 -->\r\n<!-- + ZONE g8 -->\r\n<!-- - ZONE g8 -->\r\n<!-- + ZONE g9 -->\r\n<!-- - ZONE g9 -->\r\n<!-- -ZONE_gn -->\r\n\t\t\t</table>\r\n\t\t\t<table border=0 cellpadding=0 cellspacing=0 width=*>\r\n\t\t\t\t<tr>\r\n<!-- +ZONE_Mn -->\r\n<!-- + ZONE M0 -->\r\n<!-- modele Ma_GuideAch //-->\r\n    <td valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" height=13><br>\r\n<table border=0 cellpadding=0 cellspacing=0 width=160>\r\n\t<tr>\r\n\t\t<td width=145><img src=\"http://www.01net.com/img/ban/Ban_v4_GuideAchat_MA.gif\" vspace=1></td>\r\n\t\t<td rowspan=2 width=15><img src=\"http://www.01net.com/img/dot.gif\" width=15 height=1></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td>\r\n\t\t<div style=\"border:solid 1px #FFCC00;width:100%\">\r\n\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<center>\r\n<!--debut  insertion image //-->\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"http://microachat.01net.com/article/254561.html\" style=\"text-decoration:none;color:#000000;\"><img src=\"/images/67088.jpg.res_121-111.jpg\" border=0 hspace=0 vspace=0></a>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t<!-- fin insertion image //-->\r\n</center>\r\n<div style=\"padding:5px;\">\r\n<a href=\"http://microachat.01net.com/article/254561.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\"><b>Les graveurs de DVD</b><br></font></a>\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">Quel graveur choisir&#160;? Quel type de format&#160;? Quelle vitesse&#160;? Double couche ou simple couche&#160;? Voici tout ce qu\'il faut savoir pour faire le bon choix.</font></div>\r\n\t\t\t\t\t\t</div>\r\n\t\t</td>\r\n\t</tr>\r\n</table>\r\n</td> <!-- - ZONE M0 -->\r\n<!-- + ZONE M1 -->\r\n<!-- modele Ma_DirectLab //-->\r\n    <td valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=13><br>\r\n<table border=0 cellpadding=0 cellspacing=0 width=160>\r\n\t<tr>\r\n\t\t<td width=145><img src=\"http://www.01net.com/img/ban/Ban_v4_DirectLab_MA.gif\" vspace=1></td>\r\n\t\t<td rowspan=2 width=15><img src=\"http://www.01net.com/img/dot.gif\" width=15 height=1></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td>\r\n\t\t<div style=\"border:solid 1px #FFCC00;width:100%\">\r\n\t\t<div style=\"padding:4px;\">\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255744.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">\t\t\t\t\t\t\t<b>Kodak EasyShare Printer Dock Plus&#160;:</b>\r\n\t\t\t\t\t\tvos photos 10&#160;x&#160;15&#160;cm en 60&#160;secondes</font></a></div>\r\n\t\t\t\t<div style=\"padding:4px;\">\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255780.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">\t\t\t\t\t\t\t<b>3DMark05&#160;:</b>\r\n\t\t\t\t\t\tun labo 3D \340 domicile</font></a></div>\r\n\t\t\t\t<div style=\"padding:4px;\">\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255691.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">\t\t\t\t\t\t\t<b>DVDInfoPro 2.6</b>\r\n\t\t\t\t\t\treconna\356t CD et DVD</font></a></div>\r\n\t\t\t\t<div style=\"padding:4px;\">\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255722.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">\t\t\t\t\t\t\t<b>Scaleo PA D3008, de Fujitsu-Siemens&#160;:</b>\r\n\t\t\t\t\t\tune impression d\'inachev\351</font></a></div>\r\n\t\t\t\t<div style=\"padding:4px;\">\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255514.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">Carbon 5&#160;Go&#160;: 2&#160;500&#160;chansons dans le creux de la main</font></a></div>\r\n\t\t\t</div></td>\r\n\t</tr>\r\n</table>\r\n</td> <!-- - ZONE M1 -->\r\n<!-- + ZONE M2 -->\r\n<!-- DEBUT MicroAchat MA_AnnTelec -->\r\n<td valign=top>\r\n<script type=\"text/javascript\">\r\nfunction regionChange()\r\n{\r\ndocument.selection.departement.options.length=0;\r\nswitch(document.selection.region.value)\r\n\t{\r\n\t\tcase \"aucun\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Nord-Pas-de-Calais\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Pas-de-Calais\", \"Pas-de-Calais\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Nord\", \"Nord\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Haute-Normandie\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Eure\", \"Eure\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Seine-Maritime\", \"Seine-Maritime\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Basse-Normandie\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Manche\", \"Manche\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Calvados\", \"Calvados\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Orne\", \"Orne\");\r\n\t\tbreak;\r\n\t\tcase \"Picardie\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Somme\", \"Somme\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Oise\", \"Oise\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Aisne\", \"Aisne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Bretagne\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Finistere\", \"Finistere\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Cotes-dArmor\", \"Cotes-dArmor\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Morbihan\", \"Morbihan\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Ille-et-Vilaine\", \"Ille-et-Vilaine\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Pays-de-Loire\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Loire-Atlantique\", \"Loire-Atlantique\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Vendee\", \"Vendee\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Maine-et-Loire\", \"Maine-et-Loire\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Mayenne\", \"Mayenne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Sarthe\", \"Sarthe\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Centre\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Eure-et-Loir\", \"Eure-et-Loir\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Loiret\", \"Loiret\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Loir-et-Cher\", \"Loir-et-Cher\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Indre-et-Loire\", \"Indre-et-Loire\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Indre\", \"Indre\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Cher\", \"Cher\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Ile-de-France\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Val-dOise\", \"Val-dOise\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Yvelines\", \"Yvelines\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Essonne\", \"Essonne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Seine-et-Marne\", \"Seine-et-Marne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Hauts-de-Seine\", \"Hauts-de-Seine\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Seine-Saint-Denis\", \"Seine-Saint-Denis\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Val-de-Marne\", \"Val-de-Marne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Paris\", \"Paris\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Champagnes-Ardennes\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Ardennes\", \"Ardennes\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Marne\", \"Marne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Aube\", \"Aube\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Marne\", \"Haute-Marne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Lorraine\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Vosges\", \"Vosges\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Meurthe-et-Moselle\", \"Meurthe-et-Moselle\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Meuse\", \"Meuse\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Moselle\", \"Moselle\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Alsace\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Bas-Rhin\", \"Bas-Rhin\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haut-Rhin\", \"Haut-Rhin\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Franche-Compte\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Jura\", \"Jura\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Doubs\", \"Doubs\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Saone\", \"Haute-Saone\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Territoire-de-Belfort\", \"Territoire-de-Belfort\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Bourgogne\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Yonne\", \"Yonne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Nievre\", \"Nievre\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Cote-dOr\", \"Cote-dOr\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Saone-et-Loire\", \"Saone-et-Loire\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Poitou-Charentes\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Deux-Sevres\", \"Deux-Sevres\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Charente-Maritime\", \"Charente-Maritime\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Charente\", \"Charente\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Vienne\", \"Vienne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Limousin\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Vienne\", \"Haute-Vienne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Correze\", \"Correze\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Creuse\", \"Creuse\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Auvergne\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Allier\", \"Allier\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Puy-de-Dome\", \"Puy-de-Dome\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Cantal\", \"Cantal\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Loire\", \"Haute-Loire\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Rhone-Alpes\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Loire\", \"Loire\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Rhone\", \"Rhone\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Ain\", \"Ain\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Ardeche\", \"Ardeche\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Drome\", \"Drome\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Isere\", \"Isere\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Savoie\", \"Savoie\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Savoie\", \"Haute-Savoie\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Aquitaine\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Gironde\", \"Gironde\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Landes\", \"Landes\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Pyrenees-Atlantiques\", \"Pyrenees-Atlantiques\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Lot-et-Garonne\", \"Lot-et-Garonne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Dordogne\", \"Dordogne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Midi-Pyrenees\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Lot\", \"Lot\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Tarn-et-Garonne\", \"Tarn-et-Garonne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Gers\", \"Gers\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Hautes-Pyrenees\", \"Hautes-Pyrenees\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Garonne\", \"Haute-Garonne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Ariege\", \"Ariege\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Tarn\", \"Tarn\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Aveyron\", \"Aveyron\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Languedoc-Roussillon\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Pyrenees-Orientales\", \"Pyrenees-Orientales\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Aude\", \"Aude\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Herault\", \"Herault\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Gard\", \"Gard\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Lozere\", \"Lozere\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Provence-Alpes-Cote-dazur\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Bouches-du-Rhone\", \"Bouches-du-Rhone\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Vaucluse\", \"Vaucluse\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Alpes-de-haute-Provence\", \"Alpes-de-haute-Provence\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Hautes-Alpes\", \"Hautes-Alpes\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Var\", \"Var\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Alpes-Maritimes\", \"Alpes-Maritimes\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Corse\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Corse-du-Sud\", \"Corse-du-Sud\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Corse\", \"Haute-Corse\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"DomTom\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Guadeloupe\", \"Guadeloupe\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Guyane\", \"Guyane\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"La-Reunion\", \"La-Reunion\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Martinique\", \"Martinique\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Mayotte\", \"Mayotte\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"St-Pierre-et-Miquelon\", \"St-Pierre-et-Miquelon\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t}\r\n}\r\nfunction deptChange()\r\n{\r\nif (document.selection.departement.value == \'Paris\')\r\n\tdocument.getElementById(\'arrondissement\').style.display = \'inline\';\r\nelse\r\n\tdocument.getElementById(\'arrondissement\').style.display = \'none\';\r\n}\r\n</script>\r\n<table width=305 cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<td valign=top>\r\n\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=13><br>\r\n\t\t<table border=0 cellpadding=0 cellspacing=0 width=160>\r\n\t\t\t<tr>\r\n\t\t\t\t<td width=145><img src=\"http://www.01net.com/img/ban/Ban_v4_AnnuaiRev_MA.gif\" vspace=1></td>\r\n\t\t\t\t<td rowspan=2 width=15><img src=\"http://www.01net.com/img/dot.gif\" width=15 height=1></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr><form action=\"http://micro-achat.01net.com/annuaire/recherche.php\" method=\"post\" name=\"selection\">\r\n\t\t\t\t<td bgcolor=#FFFFDD>\r\n\t\t\t\t<div style=\"border:solid 1px #FFCC00;width:100%\"><div style=\"padding:2px;\"><img src=\"http://www.01net.com/img/v4/MA/carte_revend.gif\"><br>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b>Choisir une r\351gion</b><br></font>\r\n<select name=\"region\" onChange=\"regionChange()\" style=\"display : block; font-size:9px;font-variant:arial,helvetica,sans-serif;\">\r\n<option value=\"aucun\">-------------</option>\r\n<option value=\"Nord-Pas-de-Calais\">Nord-Pas-de-Calais</option>\r\n<option value=\"Haute-Normandie\">Haute-Normandie</option>\r\n<option value=\"Basse-Normandie\">Basse-Normandie</option>\r\n<option value=\"Picardie\">Picardie</option>\r\n<option value=\"Bretagne\">Bretagne</option>\r\n<option value=\"Pays-de-Loire\">Pays-de-Loire</option>\r\n<option value=\"Centre\">Centre</option>\r\n<option value=\"Ile-de-France\">Ile-de-France</option>\r\n<option value=\"Champagnes-Ardennes\">Champagne ardennes</option>\r\n<option value=\"Lorraine\">Lorraine</option>\r\n<option value=\"Alsace\">Alsace</option>\r\n<option value=\"Franche-Compte\">Franche-Compte</option>\r\n<option value=\"Bourgogne\">Bourgogne</option>\r\n<option value=\"Poitou-Charentes\">Poitou-Charentes</option>\r\n<option value=\"Limousin\">Limousin</option>\r\n<option value=\"Auvergne\">Auvergne</option>\r\n<option value=\"Rhone-Alpes\">Rhone-Alpes</option>\r\n<option value=\"Aquitaine\">Aquitaine</option>\r\n<option value=\"Midi-Pyrenees\">Midi-Pyrenees</option>\r\n<option value=\"Languedoc-Roussillon\">Languedoc roussillon</option>\r\n<option value=\"Provence-Alpes-Cote-dazur\">PACA</option>\r\n<option value=\"Corse\">Corse</option>\r\n<option value=\"DomTom\">DomTom</option>\r\n</select>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b>Un d\351partement</b><br></font>\r\n<select name=\"departement\" onChange=\"deptChange()\" style=\"display : block; font-size:9px;font-variant:arial,helvetica,sans-serif;\">\r\n<option value=\"aucun\">-------------</option>\r\n</select>\r\n<div id=\"arrondissement\" style=\"display : none;\">\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b>Un arrondissement</b><br></font>\r\n<select name=\"arrondissement\" style=\"display : block; font-size:9px;font-variant:arial,helvetica,sans-serif;\">\r\n<option value=\"0\">-------------</option>\r\n<option value=\"1\">I</option>\r\n<option value=\"2\">II</option>\r\n<option value=\"3\">III</option>\r\n<option value=\"4\">IV</option>\r\n<option value=\"5\">V</option>\r\n<option value=\"6\">VI</option>\r\n<option value=\"7\">VII</option>\r\n<option value=\"8\">VIII</option>\r\n<option value=\"9\">IX</option>\r\n<option value=\"10\">X</option>\r\n<option value=\"11\">XI</option>\r\n<option value=\"12\">XII</option>\r\n<option value=\"13\">XIII</option>\r\n<option value=\"14\">XIV</option>\r\n<option value=\"15\">XV</option>\r\n<option value=\"16\">XVI</option>\r\n<option value=\"17\">XVII</option>\r\n<option value=\"18\">XVIII</option>\r\n<option value=\"19\">XIX</option>\r\n<option value=\"20\">XX</option>\r\n</select>\r\n</div>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=10><br>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b>Recherche directe</b><br></font>\r\n\t\t\t\t<font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\"><img src=\"http://www.01net.com/img/dot.gif\" width=8 height=1>rechercher une ville<br><img src=\"http://www.01net.com/img/dot.gif\" width=8 height=1>et/ou une boutique<br></font>\r\n\t\t\t\t<input type=\"text\" name=\"recherchedirecte\" size=\"14\" style=\"display : block; font-size:9px;font-variant:arial,helvetica,sans-serif;width:130px;\" value=\"\" onFocus=\"javascript:document.selection.recherchedirecte.value=\'\'\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=3><br>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=28 height=1>&nbsp;<input type=\"image\" src=\"http://www.01net.com/img/v4/MA/ok_bloc_recher_MA.gif\" border=\"0\">\r\n\t\t\t\t<table height=23 width=135 cellspacing=0 cellpadding=0 border=0 bgcolor=#FFEE77>\r\n\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t<td bgcolor=#FFEE77 valign=middle align=center><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://micro-achat.01net.com/annuaire/\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b>Recherche avanc\351e</b></font></a></td>\r\n\t\t\t\t\t</tr>\r\n\t\t\t\t</table>\r\n\t\t\t\t</div>\r\n\t\t\t\t</div>\r\n\t\t\t\t</td>\r\n\t\t\t</tr></form>\r\n\t\t</table>\r\n\t\t</td>\r\n<!-- DEBUT MicroAchat MA_Telecharg //-->\r\n<td valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=13><br>\r\n<table width=\"145\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/v4/MA/Ban_v4_MA_telec.gif\"></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td>\r\n\t\t<table width=\"145\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" bgcolor=\"#DFECF6\">\r\n\t\t\t<tr>\r\n\t\t\t\t<td rowspan=\"17\"><img src=\"http://www.01net.com/img/dot.gif\" width=\"6\"></td>\r\n\t\t\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"></td>\r\n\t\t\t\t<td rowspan=\"17\"><img src=\"http://www.01net.com/img/dot.gif\" width=\"6\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Bureautique\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Bureautique</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Traducteur, organiseur...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Multimedia\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Multim\351dia</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Photo, audio, vid\351o...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Utilitaire\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Utilitaires</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Antivirus, pilotes, gravure...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Personnaliser\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Personnaliser son PC</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Ecrans de veille, th\350mes...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Programmation\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>D\351veloppement</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Cr\351ation de logiciels, BDD...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Jeux\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Jeux</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Action, simulation...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Internet\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Internet</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Utilitaires, email, FTP...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Loisirs\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Loisirs</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Humour, culture...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t</tr>\r\n</table>\r\n</td>\r\n<!-- FIN MicroAchat MA_Telecharg //-->  \t</tr>\r\n</table>\r\n</td>\r\n<!-- FIN MicroAchat MA_AnnTelec --> <!-- - ZONE M2 -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- + ZONE M3 -->\r\n<!-- - ZONE M3 -->\r\n<!-- + ZONE M4 -->\r\n<!-- - ZONE M4 -->\r\n<!-- + ZONE M5 -->\r\n<!-- - 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ZONE d6 -->\r\n<!-- + ZONE d7 -->\r\n<!-- - ZONE d7 -->\r\n<!-- + ZONE d8 -->\r\n<!-- - ZONE d8 -->\r\n<!-- + ZONE d9 -->\r\n<!-- - ZONE d9 -->\r\n<!-- -ZONE_dn -->\r\n\t\t\t\t</tr>\r\n\t\t\t</table>\r\n\t\t\t</td>\r\n\t\t</tr>\r\n\t\t</table>\r\n<!-- FIN WORK -->\r\n\t\t</td>\r\n<!-- *********************************************************************FIN VENTRE********************************************************************************************************************************************** //-->\r\n\t\t<td rowspan=2 valign=top width=23 background=\"http://www.01net.com/img/v4/sep_verticale.gif\"><img src=\"http://www.01net.com/img/dot.gif\" width=23 height=1><br></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t\t<td colspan=2>\r\n\t\t\t<table border=0 cellpadding=0 cellspacing=0 width=100%>\r\n<!-- +ZONE_Bn -->\r\n<!-- + ZONE B0 -->\r\n<!-- - ZONE B0 -->\r\n<!-- + ZONE B1 -->\r\n<tr><!-- ********** DEBUT BLOC Home NosJournauxV4 //-->\r\n<td valign=top bgcolor=#FFFFFF>\r\n<img 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href=\"http://telephone_portable.telecharger.01net.com/mobile/\">t\351l\351phone portable</a>,\r\n<a href=\"http://telephone_mobile.telecharger.01net.com/mobile/\">t\351l\351phone mobile</a>\r\n</noscript>\r\n</head>\r\n</head>\r\n<body bgcolor=\"#FFFFFF\" text=\"#000000\" link=\"#000000\" marginwidth=0 marginheight=0 topmargin=0 leftmargin=0>\r\n<!-- + ZONE TETE -->\r\n<!-- ********** DEBUT MODELE INTERNE TETES MHA-tetev4 //-->\r\n<table width=100% height=66 cellspacing=0 cellpadding=0 border=0 bgcolor=#ffffff>\r\n\t<tr>\r\n\t\t<td height=8 colspan=2><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=8></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td valign=bottom><a href=\"http://microachat.01net.com\"><img src=\"http://www.01net.com/img/v4/logos_tete/tet_gauche-mha.gif\" border=0></a></td>\r\n\t\t<td valign=bottom bgcolor=#FFFFFF bbackground=\"http://www.01net.com/img/v4/tet_droite.gif\" width=100% style=\"background-image:url(/img/v4/tet_droite-mha.gif);background-position:bottom;background-repeat:repeat-x\"><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=66 align=left hspace=0 vspace=0></td>\r\n\t</tr>\r\n</table>\r\n<table width=100% cellspacing=0 cellpadding=0 border=0 bgcolor=#ffffff>\r\n\t<tr>\r\n\t\t<td valign=top background=\"http://www.01net.com/img/v4/fond_date-mha.gif\" height=18 width=500><img src=\"http://www.01net.com/img/dot.gif\" width=500 height=1><br><img src=\"http://www.01net.com/img/dot.gif\" width=19 height=1><font face=\"Arial\" size=1 color=#666666 style=\"font-size: 11px;\"><b>Derni\350re mise \340 jour de cette page : lundi 8 novembre 2004&nbsp;&nbsp;|&nbsp;&nbsp;16:45</b></font></td>\r\n\t\t<td width=100% background=\"http://www.01net.com/img/v4/fond_date2-mha.gif\" height=18></td>\r\n\t</tr>\r\n</table>\r\n<!-- ********** FIN MODELE INTERNE TETES MHA-tetev4 //--> <!-- - ZONE TETE -->\r\n<!-- ***************************************************************************************************************************************************************************************************************************** //-->\r\n<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n<!-- DEBUT PARTIE PUB //-->\r\n\t<tr>\r\n<td align=center valign=middle colspan=2 background=\"http://www.01net.com/img/v4/fond_bann.gif\"><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br>\r\n<!-- + ZONE Z0 -->\r\n<SCRIPT LANGUAGE=\"JAVASCRIPT\">\r\nvar fa = \"\";\r\nvar fab = document.URL.toString();\r\nif (fab.indexOf(\"?fa\") != -1 || fab.indexOf(\"&fa\") != -1)\r\n{\r\nfa = \";!category=fai\";\r\n}\r\nvar etatmessage = false;\r\nvar enchainement = false;\r\n</SCRIPT>\r\n<SCRIPT LANGUAGE=\"JavaScript1.1\">\r\nsas_pageid=\'167/3872\';\r\nsas_formatid=95;\t\t\t// Format : Banner/Scope 468x60\r\nsas_master=\'M\';\t\t\t// Master : M=master or S=slave\r\nsas_target=exc + 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background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/point.gif); background-repeat: repeat-x; background-position : 0px 3px;\" colspan=\"2\"><span style=\"float : left; position : relative; font-size : 10px; color : #cc0003; background-color : #ffffff;\">Imagerie&nbsp;</span></td>\n\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<td style=\"width : 65px; vertical-align : top;\"><img src=\"http://micro-achat.01net.com/img/photoproduit/12537-vignette.png\" alt=\"\" style=\"border : 1px solid #000000;\" /></td>\n\t\t\t\t\t\t\t<td style=\"width : 75px; font-size : 11px; font-weight : 700;\">\n\t\t\t\t\t\t\t\t<a style=\"color : #cc0003; text-decoration : none;\" href=\"http://micro-achat.01net.com/guide-produits/imagerie/moniteurs-lcd/l1720b/\">LG L1720B</a>\n\t\t\t\t\t\t\t\t<div style=\"text-align : center; width : 100%; font-size : 9px; font-weight : 100; margin-top : 5px;\">\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t<div style=\"width : 75px; height : 21px; color : #ffffff; font-size : 12px; font-weight : 700; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/fond-prix.gif);\"><span style=\"position : relative; top : 3px;\">332.89 &#128;</span></div>\n\t\t\t\t\t\t\t\t</div>\n\t\t\t\t\t\t\t</td>\n\t\t\t\t\t\t</tr><tr>\n\t\t\t\t\t\t\t<td style=\"height : 12px; vertical-align : top; padding : 0; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/point.gif); background-repeat: repeat-x; background-position : 0px 3px;\" colspan=\"2\"><span style=\"float : left; position : relative; font-size : 10px; color : #cc0003; background-color : #ffffff;\">Ordinateurs&nbsp;</span></td>\n\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<td style=\"width : 65px; vertical-align : top;\"><img src=\"http://micro-achat.01net.com/img/photoproduit/4043-vignette.png\" alt=\"\" style=\"border : 1px solid #000000;\" /></td>\n\t\t\t\t\t\t\t<td style=\"width : 75px; font-size : 11px; font-weight : 700;\">\n\t\t\t\t\t\t\t\t<a style=\"color : #cc0003; text-decoration : none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/desktops/veriton-7600g/\">Acer Veriton 7600G</a>\n\t\t\t\t\t\t\t\t<div style=\"text-align : center; width : 100%; font-size : 9px; font-weight : 100; margin-top : 5px;\">\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t<div style=\"width : 75px; height : 21px; color : #ffffff; font-size : 12px; font-weight : 700; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/fond-prix.gif);\"><span style=\"position : relative; top : 3px;\">705 &#128;</span></div>\n\t\t\t\t\t\t\t\t</div>\n\t\t\t\t\t\t\t</td>\n\t\t\t\t\t\t</tr><tr>\n\t\t\t\t\t\t\t<td style=\"height : 12px; vertical-align : top; padding : 0; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/point.gif); background-repeat: repeat-x; background-position : 0px 3px;\" colspan=\"2\"><span style=\"float : left; position : relative; font-size : 10px; color : #cc0003; background-color : #ffffff;\">Ordinateurs&nbsp;</span></td>\n\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<td style=\"width : 65px; vertical-align : top;\"><img src=\"http://micro-achat.01net.com/img/photoproduit/1903-vignette.png\" alt=\"\" style=\"border : 1px solid #000000;\" /></td>\n\t\t\t\t\t\t\t<td style=\"width : 75px; font-size : 11px; font-weight : 700;\">\n\t\t\t\t\t\t\t\t<a style=\"color : #cc0003; text-decoration : none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/mini-pc/sn95g5/\">Shuttle SN95G5</a>\n\t\t\t\t\t\t\t\t<div style=\"text-align : center; width : 100%; font-size : 9px; font-weight : 100; margin-top : 5px;\">\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t<div style=\"width : 75px; height : 21px; color : #ffffff; font-size : 12px; font-weight : 700; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/fond-prix.gif);\"><span style=\"position : relative; top : 3px;\">375 &#128;</span></div>\n\t\t\t\t\t\t\t\t</div>\n\t\t\t\t\t\t\t</td>\n\t\t\t\t\t\t</tr><tr>\n\t\t\t\t\t\t\t<td style=\"height : 12px; vertical-align : top; padding : 0; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/point.gif); background-repeat: repeat-x; background-position : 0px 3px;\" colspan=\"2\"><span style=\"float : left; position : relative; font-size : 10px; color : #cc0003; background-color : #ffffff;\">Composants&nbsp;</span></td>\n\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<td style=\"width : 65px; vertical-align : top;\"><img src=\"http://micro-achat.01net.com/img/photoproduit/1259-vignette.png\" alt=\"\" style=\"border : 1px solid #000000;\" /></td>\n\t\t\t\t\t\t\t<td style=\"width : 75px; font-size : 11px; font-weight : 700;\">\n\t\t\t\t\t\t\t\t<a style=\"color : #cc0003; text-decoration : none;\" href=\"http://micro-achat.01net.com/guide-produits/composants/cartes-meres/a7n8x-e-deluxe/\">Asus A7N8X-E Deluxe</a>\n\t\t\t\t\t\t\t\t<div style=\"text-align : center; width : 100%; font-size : 9px; font-weight : 100; margin-top : 5px;\">\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t<div style=\"width : 75px; height : 21px; color : #ffffff; font-size : 12px; font-weight : 700; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/fond-prix.gif);\"><span style=\"position : relative; top : 3px;\">91.99 &#128;</span></div>\n\t\t\t\t\t\t\t\t</div>\n\t\t\t\t\t\t\t</td>\n\t\t\t\t\t\t</tr><tr>\n\t\t\t\t\t\t\t<td style=\"height : 12px; vertical-align : top; padding : 0; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/point.gif); background-repeat: repeat-x; background-position : 0px 3px;\" colspan=\"2\"><span style=\"float : left; position : relative; font-size : 10px; color : #cc0003; background-color : #ffffff;\">Composants&nbsp;</span></td>\n\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<td style=\"width : 65px; vertical-align : top;\"><img src=\"http://micro-achat.01net.com/img/photoproduit/4687-vignette.png\" alt=\"\" style=\"border : 1px solid #000000;\" /></td>\n\t\t\t\t\t\t\t<td style=\"width : 75px; font-size : 11px; font-weight : 700;\">\n\t\t\t\t\t\t\t\t<a style=\"color : #cc0003; text-decoration : none;\" href=\"http://micro-achat.01net.com/guide-produits/composants/ventilateur/sp-94/\">Thermalright SP-94</a>\n\t\t\t\t\t\t\t\t<div style=\"text-align : center; width : 100%; font-size : 9px; font-weight : 100; margin-top : 5px;\">\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t<div style=\"width : 75px; height : 21px; color : #ffffff; font-size : 12px; font-weight : 700; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/fond-prix.gif);\"><span style=\"position : relative; top : 3px;\">49 &#128;</span></div>\n\t\t\t\t\t\t\t\t</div>\n\t\t\t\t\t\t\t</td>\n\t\t\t\t\t\t</tr></table>\n\t\t\t\t<table style=\"border-spacing : 0px 1px; width : 146px; margin-top : 15px;\" cellspacing=\"0\">\n\t\t\t\t<tr><th colspan=\"2\" style=\"padding : 0;\"><img src=\"http://micro-achat.01net.com/img/utils/micro-achat/tete-revendeurmisajour.gif\" alt=\"\" /></th></tr><tr style=\"background-color : #ddeeee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">1 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Rhone-Alpes/Ain/pc-look\" style=\"color : #000000; text-decoration : none;\">PC Look</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ccddee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">2 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Nord-Pas-de-Calais/Pas-de-Calais/atelier-informatique\" style=\"color : #000000; text-decoration : none;\">Atelier Informatique</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ddeeee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">3 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Val-de-Marne/zanax-multimedia\" style=\"color : #000000; text-decoration : none;\">Zanax Multim\351dia</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ccddee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">4 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Hauts-de-Seine/misteroops\" style=\"color : #000000; text-decoration : none;\">MISTEROOPS</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ddeeee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">5 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Paris/12/168-golden-avenue\" style=\"color : #000000; text-decoration : none;\">168 Golden Avenue</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ccddee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">6 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Seine-Saint-Denis/microchoix\" style=\"color : #000000; text-decoration : none;\">microchoix</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ddeeee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">7 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Paris/12/e-soph\" style=\"color : #000000; text-decoration : none;\">e-Soph</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ccddee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">8 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Paris/13/pc-price-club\" style=\"color : #000000; text-decoration : none;\">PC Price Club</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ddeeee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">9 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Seine-et-Marne/pc-77\" style=\"color : #000000; text-decoration : none;\">PC 77</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ccddee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">10 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Alsace/Bas-Rhin/web-in-informatique\" style=\"color : #000000; text-decoration : none;\">Web In Informatique</a></td>\n\t\t\t\t</tr></table>\n\t\t\t\t</div>\n\t\t\t\t<br>\r\n<!-- FIN MA_ColD --> <!-- - ZONE D0 -->\r\n<!-- + ZONE D1 -->\r\n<!-- - ZONE D1 -->\r\n<!-- + ZONE D2 -->\r\n<!-- - ZONE D2 -->\r\n<!-- -ZONE_Dn -->\r\n</td>\r\n\t</tr>\r\n<!-- FIN PARTIE PUB //-->\r\n\t<tr>\r\n\t\t<td valign=top width=193 height=100% background=\"http://www.01net.com/img/v4/sepgrisedroite.gif\">\r\n\t\t<!-- contenu colonne de gauche //-->\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0  background=\"http://www.01net.com/img/v4/sepgrisedroite.gif\">\r\n<!-- +ZONE_Gn -->\r\n<!-- + ZONE G0 -->\r\n<tr><!-- ********** DEBUT MHA_MenusChainesV4 //-->\r\n<td valign=top>\n<table border=0 cellpadding=0 cellspacing=0 width=193 bgcolor=#FFFFFF>\n<tr>\n<td background=\"/img/v4/menus/motifgauche_menus.gif\" width=20 rowspan=2><img src=\"/img/dot.gif\" width=20 height=20></td>\n<td width=173 colspan=2 bgcolor=#FFFFFF><img src=\"/img/dot.gif\" width=173 height=20></td>\n</tr>\n<tr>\n<td valign=top width=159>\n\n<a href=\"http://www.01net.com\"><img src=\"/img/v4/menus/mha/home01net-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com\"><img src=\"/img/v4/menus/mha/home-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4317.html\"><img src=\"/img/v4/menus/mha/ordinateurs-2.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4318.html\"><img src=\"/img/v4/menus/mha/composants-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4319.html\"><img src=\"/img/v4/menus/mha/stockage-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4320.html\"><img src=\"/img/v4/menus/mha/image-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4321.html\"><img src=\"/img/v4/menus/mha/peripheriques-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4322.html\"><img src=\"/img/v4/menus/mha/reseaux-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4323.html\"><img src=\"/img/v4/menus/mha/accessoires-1.gif\" width=159 border=0></a><br>\n<a href=\"http://micro-achat.01net.com/guide-produits/\"><img src=\"/img/v4/menus/mha/comparateur-1.gif\" width=159 border=0></a><br>\n<a href=\"http://micro-achat.01net.com/annuaire/\"><img src=\"/img/v4/menus/mha/annuaire-1.gif\" width=159 border=0></a><br></td>\n<td width=14><img src=\"/img/dot.gif\" width=14 height=14></td>\n</tr>\n<tr>\n<td colspan=3><img src=\"/img/v4/menus/bas_menus.gif\" width=193 height=31></td>\n</tr>\n</table></td><!-- ********** FIN MHA_MenusChainesV4 //--> </tr><!-- - ZONE G0 -->\r\n<!-- + ZONE G1 -->\r\n<tr><!-- DEBUT MODELE RUBRIQUE V4ColGaucheMHA //-->\r\n<!-- ********** DEBUT BLOC DernieresNewsTC //-->\r\n<td valign=top>\r\n<!-- DEBUT RECHERCHE MHA -->\r\n<table width=* cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n\t\t\t<td valign=top background=\"http://microachat.01net.com/img/v4/fond_rech_mha.gif\" height=98 style=\"background-repeat:no-repeat;\"><form method=\"get\" name=\"chercher\" action=\"http://www.01net.com/aiguillage_recherche/1,6138,,00.html\"><img src=\"http://microachat.01net.com/img/dot.gif\" width=193 height=17><br>\r\n\t\t\t<img src=\"http://microachat.01net.com/img/dot.gif\" width=28 height=1><input type=\"text\" name=\"fullText\" style=\"width:130px;font:12px;\"><br><img src=\"http://microachat.01net.com/img/dot.gif\" width=1 height=6><br>\r\n\t\t\t<img src=\"http://microachat.01net.com/img/dot.gif\" width=28 height=1><select name=\"sousArbo\" style=\"width:130px;font:12px;\">\r\n\t\t\t<option value=\"mha\">dans Micro Achat\r\n\t\t\t<option value=\"cmp\">les prix\r\n\t\t\t<option value=\"ann\">les revendeurs\r\n\t\t\t<option value=\"2641\">tout 01net.\r\n\t\t\t<option value=\"emploi\">les offres d\'emploi\r\n\t\t\t<option value=\"telecharger\"> telecharger.com\r\n\t\t\t<option value=\"web\">le web\r\n\t\t\t</select><br><img src=\"http://microachat.01net.com/img/dot.gif\" width=1 height=9><br>\r\n\t\t\t<img src=\"http://microachat.01net.com/img/dot.gif\" width=28 height=1><input type=\"image\" src=\"http://microachat.01net.com/img/v4/ok_bloc_recher_mha.gif\" border=\"0\"></form>\r\n\t\t\t</td>\r\n\t\t</tr>\r\n</table>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=10 vspace=0>\r\n<!-- FIN RECHERCHE MHA -->\r\n      <!-- modele TCFilColgTitV4 //-->\r\n    <table width=193 cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td valign=top>\r\n\t\t<table width=155 cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=2><img src=\"http://www.01net.com/img/ban/Ban_v4_DernieresNews01net.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4></td>\r\n\t\t\t</tr>\r\n\t\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"></td>\r\n\t\t\t\t<td valign=top><A HREF=\"http://www.01net.com/article/256059.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">CD et DVD bient\364t insensibles aux rayures<br></font></a><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=2></td>\r\n\t\t\t</tr>\r\n\t\t\t\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"></td>\r\n\t\t\t\t<td valign=top><A HREF=\"http://www.01net.com/article/255796.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">OpenOffice gagne son service<br></font></a><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=2></td>\r\n\t\t\t</tr>\r\n\t\t\t\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"></td>\r\n\t\t\t\t<td valign=top><A HREF=\"http://www.01net.com/article/255731.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">La messagerie en cinq minutes selon Ipswitch<br></font></a><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=2></td>\r\n\t\t\t</tr>\r\n\t\t\t\t\t\t\t\t<tr>\r\n\t\t\t\t<td valign=top colspan=2><A HREF=\"http://www.01net.com/actus/\" style=\"text-decoration:none;\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\">> toutes les news<br></font></a></td>\r\n\t\t\t</tr>\r\n\t\t\t\t<tr>\r\n\t\t\t\t<td colspan=2><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/crochet_bleuhaut_155.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t</tr>\r\n</table>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=20> <!-- ********** FIN BLOC DernieresNewsTC //-->\r\n<!-- ********** DEBUT BLOC  NL_MHA //-->\r\n<SCRIPT language=\"javascript\" src=\"http://www.01net.com/js/lib.js\"></SCRIPT>\r\n<table width=* cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<FORM name=\"formgen\" method=\"get\" action=\"http://microachat.01net.com/outils/newsletter_MicroAchat.html\" onSubmit=\"return validateForm(this)\">\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td width=155 colspan=4><img src=\"http://www.01net.com/img/ban/Ban_V4_Newslett.gif\"></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td width=10><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td width=1 bgcolor=#CC0000><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t<td width=153>\r\n\t\t<table width=153 cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t<tr>\r\n\t\t\t\t<td width=10><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t\t\t<td valign=top><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/flechefinefd_ffffff.gif\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Recevez chaque jour l\'actualit\351 des produits et des promos<br></font>\r\n\t\t\t\t<table width=* cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t<td><input type=\"text\" name=\"email\" size=\"14\" style=\"width:130px;font:12px;\" value=\"entrez votre e-mail\" onFocus=\"javascript:document.formgen.email.value=\'\'\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=9><br>\r\n\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=28 height=1><input type=\"image\" src=\"http://www.01net.com/img/v4/ok_bloc_recher.gif\" border=\"0\"></td>\r\n\t\t\t\t\t</tr>\r\n\t\t\t\t</table>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t\t<td width=1 bgcolor=#CC0000><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td width=155 colspan=4><img src=\"http://www.01net.com/img/v4/base_newsletters.gif\"></td>\r\n\t\t</FORM>\r\n\t</tr>\r\n</table>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=20>\r\n<SCRIPT language=\"Javascript\">\r\ndocument.formgen.email.validator= \'notNullEmailPat\';\r\ndocument.formgen.email.nomvalidator= \'E-mail\';\r\n</SCRIPT>\r\n<!-- ********** FIN BLOC NL_MHA //-->\r\n</td>\r\n</tr>\r\n<tr>\r\n<!-- ********** DEBUT BLOC Actus ActusUneV4 //-->\r\n<td valign=top background=\"http://www.01net.com/img/v4/sepgrisedroite.gif\">\r\n<table width=193 cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td valign=top>\r\n\t\t<table width=155 cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=4><img src=\"http://www.01net.com/img/ban/Ban_v4_LaUne.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t\t\t<td valign=top><a href=\"http://www.01net.com/entreprise/\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b><u>Entreprise</u></b><br></font></a>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://www.01net.com/article/255737.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">Quand le billet papier s\'envole vers la d\351mat\351rialisation</font></a></td>\r\n\t\t\t\t<td valign=top width=2><img src=\"http://www.01net.com/img/dot.gif\" width=2 height=1></td>\r\n\t\t\t\t<td valign=top><a href=\"http://www.01net.com/article/255737.html\"><img src=\"http://www.01net.com/img/MEA_v4/billet_virtuel-65.jpg\" border=0></a></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=4><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/LaUne_Sep.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t\t\t<td valign=top><a href=\"http://www.01net.com/pratique/\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b><u>Trucs et astuces</u></b><br></font></a>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"/article/255698.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">D\351pannez Windows XP</font></a></td>\r\n\t\t\t\t<td valign=top width=2><img src=\"http://www.01net.com/img/dot.gif\" width=2 height=1></td>\r\n\t\t\t\t<td valign=top><a href=\"http://www.01net.com/article/255698.html\"><img src=\"http://www.01net.com/img/MEA_v4/depannez_XP-65.jpg\" border=0 ></a></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=4><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/LaUne_Sep.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t\t</tr>\r\n\t\t    <tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t\t\t<td valign=top colspan=3><a href=\"http://www.01net.com/conso/\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b><u>Conso</u></b><br></font></a>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"/article/255524.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">Vos photos sur papier imprimante ou labo ?<br></font></a></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=4><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/LaUne_Sep.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t<!-- exemple de lien avec pseudorub pour produits et tests -->\r\n\t\t<!-- <a href=\"/outils/PseudoRub.php?base=test-comp&rub=1730&pseudo=test-comp20041005\"> -->\r\n\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t\t\t<td valign=top colspan=3><a href=\"http://www.01net.com/produits/\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b><u>Produits &amp; Tests</u></b><br></font></a>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"/article/255782.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">5 programmes d\222encodage vid\351o gratuits<br></font></a></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=4><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/LaUne_Sep.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t</tr>\r\n</table>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=20>\r\n</td>\r\n<!-- ********** FIN BLOC Actus ActusUneV4 //-->    </tr>\r\n<tr>\r\n<td>\r\n<table width=193 cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td valign=top><a href=\"mailto:s.cohen@micro-achat.fr\"><img border=0 src=\"http://www.01net.com/img/v4/espace-revendeurs.gif\"></td>\r\n\t</tr>\r\n</table>\r\n<br>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=20></td>\r\n<!-- FIN MODELE RUBRIQUE V4ColGaucheMHA //-->  </tr><!-- - ZONE G1 -->\r\n<!-- + ZONE G2 -->\r\n<!-- - ZONE G2 -->\r\n<!-- + ZONE G3 -->\r\n<!-- - ZONE G3 -->\r\n<!-- + ZONE G4 -->\r\n<!-- - ZONE G4 -->\r\n<!-- + ZONE G5 -->\r\n<!-- - ZONE G5 -->\r\n<!-- + ZONE G6 -->\r\n<!-- - ZONE G6 -->\r\n<!-- + ZONE G7 -->\r\n<!-- - ZONE G7 -->\r\n<!-- + ZONE G8 -->\r\n<!-- - ZONE G8 -->\r\n<!-- + ZONE G9 -->\r\n<!-- - ZONE G9 -->\r\n<!-- + ZONE GA -->\r\n<!-- - ZONE GA -->\r\n<!-- + ZONE GB -->\r\n<!-- - ZONE GB -->\r\n<!-- + ZONE GC -->\r\n<!-- - ZONE GC -->\r\n<!-- + ZONE GD -->\r\n<!-- - ZONE GD -->\r\n<!-- + ZONE GE -->\r\n<!-- - ZONE GE -->\r\n<!-- + ZONE GF -->\r\n<!-- - ZONE GF -->\r\n<!-- -ZONE_Gn -->\r\n\t\t</table>\r\n\t\t<!-- fin contenu colonne de gauche //-->\r\n\t\t</td>\r\n<!-- ***************************************************************** DEBUT VENTRE*********************************************************************************************************************************************** //-->\r\n<!-- DEBUT WORK -->\r\n\t\t<td valign=top width=625 bgcolor=#ffffff><img src=\"http://www.01net.com/img/dot.gif\" width=625 height=1><br>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- +ZONE_hn -->\r\n<!-- + ZONE h0 -->\r\n<!-- MA_ban_int -->\r\n<td valign=\"top\">\r\n<img src=\"/img/dot.gif\" height=\"18\"><br>\r\n<!-- pour ordipda -->\r\n<table width=\"625\" cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<td><img src=\"/img/v4/MA/Ban_MA_ordis.gif\"></td>\r\n\t</tr>\r\n</table>\r\n\t</td>\r\n<!-- /MA_ban_int -->     <!-- - ZONE h0 -->\r\n<!-- + ZONE h1 -->\r\n<!-- - ZONE h1 -->\r\n<!-- + ZONE h2 -->\r\n<!-- - ZONE h2 -->\r\n<!-- -ZONE_hn -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- +ZONE_Hn -->\r\n<!-- + ZONE H0 -->\r\n<!-- Ma_int_Leader -->\r\n    <td valign=top>\r\n<img src=\"/img/dot.gif\" width=1 height=18><br>\r\n<table border=0 cellpadding=0 cellspacing=0 width=320>\r\n<tr>\r\n\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<td width=144 valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=143 height=1 vspace=0><br>\r\n<font face=arial,helvetica size=1 color=#CC0000 style=font-size:11px;>Portable</font><br>\r\n<A HREF=\"/article/256198.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=font-size:14px;><b>Un nouvel ultra portable r\351alis\351 par Nec</b></font></a><br>\r\n<!--debut  insertion image //-->\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"/article/256198.html\" style=\"text-decoration:none;color:#000000;\"><img src=\"/images/67509.jpg.res_100-100.jpg\" border=0 hspace=0 vspace=0></a><br>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t<!-- fin insertion image //-->\r\n<font face=arial,helvetica size=2 color=#000000 style=font-size:12px;><img src=\"/img/v4/flechefine_fondtransp.gif\">Le Versa S940 a un format r\351duit, mais ses performances sont \340 la hauteur.</font><br>\r\n<font face=arial,helvetica size=1 color=#CC0000 style=font-size:12px;>\340 partir de 1663&#160;\200</font>\r\n</td>\r\n<td width=17 background=\"/img/v4/MA/v4-fond-sep-mea-leader.gif\"><img src=\"/img/dot.gif\" width=17 height=1></td>\r\n\t\t\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<td width=144 valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=143 height=1 vspace=0><br>\r\n<font face=arial,helvetica size=1 color=#CC0000 style=font-size:11px;>Portable</font><br>\r\n<A HREF=\"/article/255194.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=font-size:14px;><b>Asus pr\351sente trois petits nouveaux dans la gamme A3N</b></font></a><br>\r\n<!--debut  insertion image //-->\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"/article/255194.html\" style=\"text-decoration:none;color:#000000;\"><img src=\"/images/67168.jpg.res_100-100.jpg\" border=0 hspace=0 vspace=0></a><br>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t<!-- fin insertion image //-->\r\n<font face=arial,helvetica size=2 color=#000000 style=font-size:12px;><img src=\"/img/v4/flechefine_fondtransp.gif\">Ces trois portables Centrino int\350grent, entre autres, une webcam et un contr\364leur Wi-Fi.</font><br>\r\n<font face=arial,helvetica size=1 color=#CC0000 style=font-size:12px;>\340 partir de 1346&#160;\200</font>\r\n</td>\r\n<td width=15><img src=\"/img/dot.gif\" width=15 height=1></td>\r\n\t\t\t\t</tr>\r\n</table>\r\n</td>\r\n<!-- /Ma_int_Leader -->    <!-- - ZONE H0 -->\r\n<!-- + ZONE H1 -->\r\n<!-- - ZONE H1 -->\r\n<!-- + ZONE H2 -->\r\n<!-- MA_BP_MP -->\r\n<td valign=\"top\" width=\"100%\">\r\n\t<table width=\"100%\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\">\r\n\t<tr>\r\n\t<td width=\"50%\" valign=\"top\">\r\n\t<!-- DEBUT MicroAchat MA_BonPlan -->\r\n<td valign=top>\r\n<img src=\"/img/dot.gif\" width=1 height=18><br>\r\n<table border=0 cellpadding=1 cellspacing=0 width=145 bgcolor=#CC0000>\r\n<tr>\r\n<td align=center><font face=arial,helvetica size=1 color=#FFFFFF style=\"font-size:11px;\">BON PLAN</a></font></td>\r\n</tr>\r\n<tr>\r\n<td  width=145>\r\n<div style=\"padding:5px;padding-left:5px;padding-fight:5px;margin:0px;margin-left:1px;margin-right:1px;background-color:#FFFFFF;\">\r\n<img src=\"/img/microachat/logo_shuttle_SB83G5.gif\" border=0><br>\r\n<font face=arial,helvetica size=2 color=#CC0000 style=\"font-size:12px;\">Les derni\350res technologies INTEL dans un nouveau design pour ce shuttle haut de gamme, pour un prix abordable.<br></font>\r\n<center><a href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/mini-pc/sb83g5/?fabriquant=1&page=1&tri=titre\"><img src=\"/img/microachat/mea_shuttle_SB83G5.gif\" border=0 vspace=5></a><br></center>\r\n<center>\r\n<font face=arial,helvetica size=2 color=#CC0000 style=\"font-size:13px;\"><b>\340 partir de</b><br>\r\n<div style=\"border:solid 2px #CC0000;width:100px;background-color:#FFCC00;\"><b>415 \200</b></div>\r\n</center>\r\n</div>\r\n</td>\r\n</tr>\r\n<tr>\r\n<td align=center><font face=arial,helvetica size=1 color=#FFFFFF style=\"font-size:11px;\">publicit\351</a></font></td>\r\n</tr>\r\n</table>\r\n</td>\r\n<!-- FIN MicroAchat MA_BonPlan -->  \t</td>\r\n\t<td width=\"15\"><img src=\"/img/dot.gif\" width=\"15\"></td>\r\n\t<td width=\"50%\" valign=\"top\">\r\n\t<!-- DEBUT MicroAchat MA_MeillPrixAct //-->\r\n<td valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=145 height=1><br>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=18><br>\r\n<table width=* cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<FORM name=\"prix\" action=\"http://www.micro-achat.01net.com/guide-produits/recherche.php\" method=\"post\">\r\n\t\t<td width=145 colspan=3><img src=\"http://www.01net.com/img/ban/Ban_v4_MeillPrix_MA.gif\"></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td width=1 bgcolor=#FFCC00><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t<td width=143>\r\n\t\t<table width=143 cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t<tr>\r\n\t\t\t\t<td width=6><img src=\"http://www.01net.com/img/dot.gif\" width=6 height=1></td>\r\n\t\t\t\t<td valign=top><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=15><br>\r\n\t\t\t\t\t\t\t\t\t\t\t\t<img src=\"http://www.01net.com/img/ban/Ban_MA_trouv_ordi.gif\"><br>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/desktops/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Desktops</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/portables/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Portables</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/mini-pc/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Mini-PC</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/pda---tablets-pc/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Pda / Tablets-PC</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/apple/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Apple</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/gps/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">GPS</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=20><br>\r\n\t\t\t\t\t\t\t\t<table width=* cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t<td><input type=\"text\" name=\"recherchedirecte\" size=\"14\" style=\"width:130px;font:12px;\" value=\"     recherche directe\" onFocus=\"javascript:document.prix.recherchedirecte.value=\'\'\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=9><br>\r\n\t\t\t\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=28 height=1><input type=\"image\" src=\"/img/v4/MA/ok_bloc_recher_MA.gif\" border=\"0\"></td>\r\n\t\t\t\t\t</tr>\r\n\t\t\t\t</table>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t\t<td width=1 bgcolor=#FFCC00><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td width=145 colspan=3><img src=\"http://www.01net.com/img/v4/MA/base_meillPrix.gif\"></td>\r\n\t\t</FORM>\r\n\t</tr>\r\n</table>\r\n</td>\r\n<!-- FIN MicroAchat MA_MeillPrixAct //-->  \t</td>\r\n\t</tr>\r\n\t</table>\r\n</td>\r\n<!-- /MA_BP_MP -->  <!-- - ZONE H2 -->\r\n<!-- -ZONE_Hn -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- +ZONE_Tn -->\r\n<!-- + ZONE T0 -->\r\n    <td valign=\"top\">\r\n<img src=\"http://www.01net.com/img/dot.gif\" height=13><br>\r\n<table border=0 width=320 cellpadding=0 cellspacing=0>\r\n<tr>\r\n<td width=305><img src=\"http://www.01net.com/img/ban/Ban_v4_DernNews_MA.gif\"><br><img src=\"http://www.01net.com/img/v4/MA/v4-tiret-hauts-mha.gif\"></td>\r\n<td rowspan=2 width=15><img src=\"http://www.01net.com/img/dot.gif\" width=15 height=1></td>\r\n</tr>\r\n<tr>\r\n<td bgcolor=\"#FEF9E0\">\r\n\t<table width=\"100%\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">\r\n\t\t<tr>\r\n\t<td><div style=\"padding:2px;width:100%;\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#CC0000\" style=\"font-size:11px;\"><b>Portable&nbsp;<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255149.html\" style=\"color:#000000;text-decoration:none;\">Toshiba consacre deux gammes de machines au multim\351dia</a></b><br>\r\n\t<font color=\"#000000\">Equipement haut de gamme et Windows Media Center sont au menu de ces portables \340 vocation multim\351dia.<br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4><br></font></td>\r\n\t</tr>\r\n\t\t\t\t<tr>\r\n\t<td><div style=\"padding:2px;width:100%;\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#CC0000\" style=\"font-size:11px;\"><b>Ordinateur&nbsp;<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/254686.html\" style=\"color:#000000;text-decoration:none;\">Arriv\351e d\'un Power Mac G5 d\'entr\351e de gamme</a></b><br>\r\n\t<font color=\"#000000\">La firme \340 la pomme propose une station de travail \351volutive et relativement abordable.<br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4><br></font></td>\r\n\t</tr>\r\n\t\t\t\t<tr>\r\n\t<td><div style=\"padding:2px;width:100%;\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#CC0000\" style=\"font-size:11px;\"><b>PC&nbsp;<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/254549.html\" style=\"color:#000000;text-decoration:none;\">Alienware propose deux machines au look \351trange</a></b><br>\r\n\t<font color=\"#000000\">Aurora et Area 51 sont deux gammes d\'ordinateurs enti\350rement configurables.<br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4><br></font></td>\r\n\t</tr>\r\n\t\t\t\t<tr>\r\n\t<td><div style=\"padding:2px;width:100%;\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#CC0000\" style=\"font-size:11px;\"><b>Portable&nbsp;<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/254501.html\" style=\"color:#000000;text-decoration:none;\">Trois nouveaux iBook G4 chez Apple</a></b><br>\r\n\t<font color=\"#000000\">Chez Apple, les portables gagnent en vitesse et communiquent sans fil en standard.<br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4><br></font></td>\r\n\t</tr>\r\n\t\t\t\t\t<tr>\r\n\t<td><img src=\"http://www.01net.com/img/dot.gif\" height=10></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-red-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=1></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td align=\"right\">\r\n\t\t\t\t<A HREF=\"http://microachat.01net.com/rubrique/4365.html\"  style=\"text-decoration:none;\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 10px;\">> toutes les news</font></a>\r\n\t\t\t</td>\r\n\t</tr>\r\n\t</table>\r\n</td>\r\n</tr>\r\n</table>\r\n</td> <!-- - ZONE T0 -->\r\n<!-- + ZONE T1 -->\r\n<!-- Ma_derpromo  -->\r\n    <td valign=\"top\">\r\n<img src=\"/img/dot.gif\" height=13><br>\r\n<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"305\" bgcolor=\"#E9EDFC\">\r\n<tr>\r\n<td bgcolor=\"#ffffff\"><img src=\"/img/v4/MA/v4-lespromos-mha.gif\"><br><img src=\"/img/v4/MA/v4-tiret-hauts-mha.gif\"></td>\r\n</tr>\r\n</table>\r\n<!-- DEBUT MODELE D\'AFFICHAGE POUR LES n PREMIERS ARTICLES //-->\r\n\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"305\" bgcolor=\"#E9EDFC\">\r\n<tr>\r\n<td colspan=\"5\"><img src=\"/img/dot.gif\" width=\"9\"></td>\r\n</tr>\r\n<tr>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"42\" valign=\"top\">\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"/article/255806.html\" class=\"nodeco\"><img src=\"/images/67462.jpg\" border=0 hspace=0 vspace=0 width=\"42\" height=\"42\"></a>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t</td>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"*\"  valign=\"top\"><A HREF=\"/article/255806.html\" class=\"nodeco\"><font face=\"arial,helvetica\" size=2 color=\"#000000\" style=\"font-size:11px;\"><b>Asus A3N15-C Pro</b></a><br>\r\n&nbsp;<img src=\"/img/v4/flechefine_fondtransp.gif\">Voici un portable autonome et puissant gr\342ce \340 la technologie Intel Centrino.<br></font></td>\r\n</tr>\r\n<tr>\r\n<td colspan=\"5\" align=\"right\">\r\n\t<table width=\"80\" border=\"0\" bgcolor=\"#ffffff\" cellpadding=\"0\" cellspacing=\"0\">\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t<td width=\"76\" align=\"center\" bgcolor=\"#CC0000\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#ffffff\" style=\"font-size:11px;\"><b>1170&#160;\200</b></font></td>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t</table>\r\n</td>\r\n</tr>\r\n</table>\r\n\t\t\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"305\" bgcolor=\"#E9EDFC\">\r\n<tr>\r\n<td colspan=\"5\"><img src=\"/img/dot.gif\" width=\"9\"></td>\r\n</tr>\r\n<tr>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"42\" valign=\"top\">\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"/article/255688.html\" class=\"nodeco\"><img src=\"/images/67381.jpg\" border=0 hspace=0 vspace=0 width=\"42\" height=\"42\"></a>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t</td>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"*\"  valign=\"top\"><A HREF=\"/article/255688.html\" class=\"nodeco\"><font face=\"arial,helvetica\" size=2 color=\"#000000\" style=\"font-size:11px;\"><b>Soltek EQ3702A Miroir</b></a><br>\r\n&nbsp;<img src=\"/img/v4/flechefine_fondtransp.gif\">Ce mini PC est une solution int\351ressante pour les utilisateurs poss\351dant d\351j\340 un \351cran.<br></font></td>\r\n</tr>\r\n<tr>\r\n<td colspan=\"5\" align=\"right\">\r\n\t<table width=\"80\" border=\"0\" bgcolor=\"#ffffff\" cellpadding=\"0\" cellspacing=\"0\">\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t<td width=\"76\" align=\"center\" bgcolor=\"#CC0000\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#ffffff\" style=\"font-size:11px;\"><b>559&#160;\200</b></font></td>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t</table>\r\n</td>\r\n</tr>\r\n</table>\r\n\t\t\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"305\" bgcolor=\"#E9EDFC\">\r\n<tr>\r\n<td colspan=\"5\"><img src=\"/img/dot.gif\" width=\"9\"></td>\r\n</tr>\r\n<tr>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"42\" valign=\"top\">\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"/article/255513.html\" class=\"nodeco\"><img src=\"/images/67319.jpg\" border=0 hspace=0 vspace=0 width=\"42\" height=\"42\"></a>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t</td>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"*\"  valign=\"top\"><A HREF=\"/article/255513.html\" class=\"nodeco\"><font face=\"arial,helvetica\" size=2 color=\"#000000\" style=\"font-size:11px;\"><b>IBM ThinkPad R51</b></a><br>\r\n&nbsp;<img src=\"/img/v4/flechefine_fondtransp.gif\">Voici un portable complet et pourtant relativement l\351ger.<br></font></td>\r\n</tr>\r\n<tr>\r\n<td colspan=\"5\" align=\"right\">\r\n\t<table width=\"80\" border=\"0\" bgcolor=\"#ffffff\" cellpadding=\"0\" cellspacing=\"0\">\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t<td width=\"76\" align=\"center\" bgcolor=\"#CC0000\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#ffffff\" style=\"font-size:11px;\"><b>1299&#160;\200</b></font></td>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t</table>\r\n</td>\r\n</tr>\r\n</table>\r\n\t\t\t\t<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"305\" bgcolor=\"#E9EDFC\">\r\n<tr>\r\n<td><img src=\"http://www.01net.com/img/dot.gif\" height=10></td>\r\n</tr>\r\n<tr>\r\n<td background=\"/img/v4/MA/v4-sep-red-mha.gif\"><img src=\"/img/dot.gif\" height=1></td>\r\n</tr>\r\n<tr>\r\n<td align=\"right\" valign=\"top\">\r\n\t\t\t\t<A HREF=\"http://microachat.01net.com/rubrique/4366.html\"  style=\"text-decoration:none;\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 10px;\">> toutes les promos</font></a>\r\n\t\t</td>\r\n</tr>\r\n</table>\r\n</td>\r\n<!-- /Ma_derpromo  -->   <!-- - ZONE T1 -->\r\n<!-- + ZONE T2 -->\r\n<!-- - ZONE T2 -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- + ZONE T3 -->\r\n<!-- DEBUT MicroAchat MA_PubG -->\r\n<td valign=top align=center>\r\n<table border=0 width=320 cellpadding=0 cellspacing=0>\r\n\t<tr>\r\n\t\t<td width=305><img src=\"/img/dot.gif\" width=1 height=12><br><a href=\"http://www.smartadserver.com/call/cliccommand/45590/[timestamp]?\" target=_blank><img src=\"/img/microachat/Bandeau_FX6021.jpg\" border=0></a></td>\r\n\t\t<td><img src=\"/img/dot.gif\" width=15 height=1></td>\r\n\t</tr>\r\n</table>\r\n</td>\r\n<!-- FIN MicroAchat MA_PubG -->  <!-- - ZONE T3 -->\r\n<!-- + ZONE T4 -->\r\n<!-- DEBUT MicroAchat MA_PubD -->\r\n<td valign=top align=center>\r\n<table border=0 width=305 cellpadding=0 cellspacing=0>\r\n\t<tr>\r\n\t\t<td width=305><img src=\"/img/dot.gif\" width=1 height=12><br><a href=\"http://www.smartadserver.com/call/cliccommand/45591/[timestamp]?\" target=_blank><img src=\"/img/microachat/twc_305x125.jpg\" border=0></a></td>\r\n\t</tr>\r\n</table>\r\n</td>\r\n<!-- FIN  MicroAchat MA_PubD --> <!-- - ZONE T4 -->\r\n<!-- + ZONE T5 -->\r\n<!-- - ZONE T5 -->\r\n<!-- -ZONE_Tn -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n\t\t\t<td valign=top>\r\n\t\t\t<table border=0 cellpadding=0 cellspacing=0 width=*>\r\n<!-- +ZONE_gn -->\r\n<!-- + ZONE g0 -->\r\n<!-- - ZONE g0 -->\r\n<!-- + ZONE g1 -->\r\n<!-- - ZONE g1 -->\r\n<!-- + ZONE g2 -->\r\n<!-- - ZONE g2 -->\r\n<!-- + ZONE g3 -->\r\n<!-- - ZONE g3 -->\r\n<!-- + ZONE g4 -->\r\n<!-- - ZONE g4 -->\r\n<!-- + ZONE g5 -->\r\n<!-- - ZONE g5 -->\r\n<!-- + ZONE g6 -->\r\n<!-- - ZONE g6 -->\r\n<!-- + ZONE g7 -->\r\n<!-- - ZONE g7 -->\r\n<!-- + ZONE g8 -->\r\n<!-- - ZONE g8 -->\r\n<!-- + ZONE g9 -->\r\n<!-- - ZONE g9 -->\r\n<!-- -ZONE_gn -->\r\n\t\t\t</table>\r\n\t\t\t<table border=0 cellpadding=0 cellspacing=0 width=*>\r\n\t\t\t\t<tr>\r\n<!-- +ZONE_Mn -->\r\n<!-- + ZONE M0 -->\r\n<!-- modele Ma_GuideAch //-->\r\n    <td valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" height=13><br>\r\n<table border=0 cellpadding=0 cellspacing=0 width=160>\r\n\t<tr>\r\n\t\t<td width=145><img src=\"http://www.01net.com/img/ban/Ban_v4_GuideAchat_MA.gif\" vspace=1></td>\r\n\t\t<td rowspan=2 width=15><img src=\"http://www.01net.com/img/dot.gif\" width=15 height=1></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td>\r\n\t\t<div style=\"border:solid 1px #FFCC00;width:100%\">\r\n\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<center>\r\n<!--debut  insertion image //-->\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"http://microachat.01net.com/article/254561.html\" style=\"text-decoration:none;color:#000000;\"><img src=\"/images/67088.jpg.res_121-111.jpg\" border=0 hspace=0 vspace=0></a>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t<!-- fin insertion image //-->\r\n</center>\r\n<div style=\"padding:5px;\">\r\n<a href=\"http://microachat.01net.com/article/254561.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\"><b>Les graveurs de DVD</b><br></font></a>\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">Quel graveur choisir&#160;? Quel type de format&#160;? Quelle vitesse&#160;? Double couche ou simple couche&#160;? Voici tout ce qu\'il faut savoir pour faire le bon choix.</font></div>\r\n\t\t\t\t\t\t</div>\r\n\t\t</td>\r\n\t</tr>\r\n</table>\r\n</td> <!-- - ZONE M0 -->\r\n<!-- + ZONE M1 -->\r\n<!-- modele Ma_DirectLab //-->\r\n    <td valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=13><br>\r\n<table border=0 cellpadding=0 cellspacing=0 width=160>\r\n\t<tr>\r\n\t\t<td width=145><img src=\"http://www.01net.com/img/ban/Ban_v4_DirectLab_MA.gif\" vspace=1></td>\r\n\t\t<td rowspan=2 width=15><img src=\"http://www.01net.com/img/dot.gif\" width=15 height=1></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td>\r\n\t\t<div style=\"border:solid 1px #FFCC00;width:100%\">\r\n\t\t<div style=\"padding:4px;\">\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255744.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">\t\t\t\t\t\t\t<b>Kodak EasyShare Printer Dock Plus&#160;:</b>\r\n\t\t\t\t\t\tvos photos 10&#160;x&#160;15&#160;cm en 60&#160;secondes</font></a></div>\r\n\t\t\t\t<div style=\"padding:4px;\">\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255780.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">\t\t\t\t\t\t\t<b>3DMark05&#160;:</b>\r\n\t\t\t\t\t\tun labo 3D \340 domicile</font></a></div>\r\n\t\t\t\t<div style=\"padding:4px;\">\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255691.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">\t\t\t\t\t\t\t<b>DVDInfoPro 2.6</b>\r\n\t\t\t\t\t\treconna\356t CD et DVD</font></a></div>\r\n\t\t\t\t<div style=\"padding:4px;\">\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255722.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">\t\t\t\t\t\t\t<b>Scaleo PA D3008, de Fujitsu-Siemens&#160;:</b>\r\n\t\t\t\t\t\tune impression d\'inachev\351</font></a></div>\r\n\t\t\t\t<div style=\"padding:4px;\">\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255514.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">Carbon 5&#160;Go&#160;: 2&#160;500&#160;chansons dans le creux de la main</font></a></div>\r\n\t\t\t</div></td>\r\n\t</tr>\r\n</table>\r\n</td> <!-- - ZONE M1 -->\r\n<!-- + ZONE M2 -->\r\n<!-- DEBUT MicroAchat MA_AnnTelec -->\r\n<td valign=top>\r\n<script type=\"text/javascript\">\r\nfunction regionChange()\r\n{\r\ndocument.selection.departement.options.length=0;\r\nswitch(document.selection.region.value)\r\n\t{\r\n\t\tcase \"aucun\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Nord-Pas-de-Calais\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Pas-de-Calais\", \"Pas-de-Calais\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Nord\", \"Nord\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Haute-Normandie\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Eure\", \"Eure\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Seine-Maritime\", \"Seine-Maritime\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Basse-Normandie\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Manche\", \"Manche\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Calvados\", \"Calvados\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Orne\", \"Orne\");\r\n\t\tbreak;\r\n\t\tcase \"Picardie\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Somme\", \"Somme\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Oise\", \"Oise\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Aisne\", \"Aisne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Bretagne\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Finistere\", \"Finistere\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Cotes-dArmor\", \"Cotes-dArmor\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Morbihan\", \"Morbihan\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Ille-et-Vilaine\", \"Ille-et-Vilaine\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Pays-de-Loire\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Loire-Atlantique\", \"Loire-Atlantique\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Vendee\", \"Vendee\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Maine-et-Loire\", \"Maine-et-Loire\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Mayenne\", \"Mayenne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Sarthe\", \"Sarthe\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Centre\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Eure-et-Loir\", \"Eure-et-Loir\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Loiret\", \"Loiret\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Loir-et-Cher\", \"Loir-et-Cher\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Indre-et-Loire\", \"Indre-et-Loire\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Indre\", \"Indre\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Cher\", \"Cher\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Ile-de-France\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Val-dOise\", \"Val-dOise\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Yvelines\", \"Yvelines\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Essonne\", \"Essonne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Seine-et-Marne\", \"Seine-et-Marne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Hauts-de-Seine\", \"Hauts-de-Seine\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Seine-Saint-Denis\", \"Seine-Saint-Denis\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Val-de-Marne\", \"Val-de-Marne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Paris\", \"Paris\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Champagnes-Ardennes\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Ardennes\", \"Ardennes\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Marne\", \"Marne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Aube\", \"Aube\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Marne\", \"Haute-Marne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Lorraine\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Vosges\", \"Vosges\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Meurthe-et-Moselle\", \"Meurthe-et-Moselle\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Meuse\", \"Meuse\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Moselle\", \"Moselle\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Alsace\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Bas-Rhin\", \"Bas-Rhin\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haut-Rhin\", \"Haut-Rhin\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Franche-Compte\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Jura\", \"Jura\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Doubs\", \"Doubs\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Saone\", \"Haute-Saone\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Territoire-de-Belfort\", \"Territoire-de-Belfort\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Bourgogne\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Yonne\", \"Yonne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Nievre\", \"Nievre\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Cote-dOr\", \"Cote-dOr\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Saone-et-Loire\", \"Saone-et-Loire\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Poitou-Charentes\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Deux-Sevres\", \"Deux-Sevres\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Charente-Maritime\", \"Charente-Maritime\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Charente\", \"Charente\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Vienne\", \"Vienne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Limousin\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Vienne\", \"Haute-Vienne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Correze\", \"Correze\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Creuse\", \"Creuse\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Auvergne\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Allier\", \"Allier\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Puy-de-Dome\", \"Puy-de-Dome\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Cantal\", \"Cantal\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Loire\", \"Haute-Loire\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Rhone-Alpes\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Loire\", \"Loire\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Rhone\", \"Rhone\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Ain\", \"Ain\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Ardeche\", \"Ardeche\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Drome\", \"Drome\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Isere\", \"Isere\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Savoie\", \"Savoie\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Savoie\", \"Haute-Savoie\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Aquitaine\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Gironde\", \"Gironde\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Landes\", \"Landes\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Pyrenees-Atlantiques\", \"Pyrenees-Atlantiques\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Lot-et-Garonne\", \"Lot-et-Garonne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Dordogne\", \"Dordogne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Midi-Pyrenees\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Lot\", \"Lot\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Tarn-et-Garonne\", \"Tarn-et-Garonne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Gers\", \"Gers\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Hautes-Pyrenees\", \"Hautes-Pyrenees\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Garonne\", \"Haute-Garonne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Ariege\", \"Ariege\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Tarn\", \"Tarn\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Aveyron\", \"Aveyron\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Languedoc-Roussillon\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Pyrenees-Orientales\", \"Pyrenees-Orientales\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Aude\", \"Aude\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Herault\", \"Herault\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Gard\", \"Gard\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Lozere\", \"Lozere\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Provence-Alpes-Cote-dazur\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Bouches-du-Rhone\", \"Bouches-du-Rhone\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Vaucluse\", \"Vaucluse\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Alpes-de-haute-Provence\", \"Alpes-de-haute-Provence\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Hautes-Alpes\", \"Hautes-Alpes\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Var\", \"Var\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Alpes-Maritimes\", \"Alpes-Maritimes\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Corse\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Corse-du-Sud\", \"Corse-du-Sud\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Corse\", \"Haute-Corse\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"DomTom\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Guadeloupe\", \"Guadeloupe\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Guyane\", \"Guyane\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"La-Reunion\", \"La-Reunion\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Martinique\", \"Martinique\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Mayotte\", \"Mayotte\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"St-Pierre-et-Miquelon\", \"St-Pierre-et-Miquelon\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t}\r\n}\r\nfunction deptChange()\r\n{\r\nif (document.selection.departement.value == \'Paris\')\r\n\tdocument.getElementById(\'arrondissement\').style.display = \'inline\';\r\nelse\r\n\tdocument.getElementById(\'arrondissement\').style.display = \'none\';\r\n}\r\n</script>\r\n<table width=305 cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<td valign=top>\r\n\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=13><br>\r\n\t\t<table border=0 cellpadding=0 cellspacing=0 width=160>\r\n\t\t\t<tr>\r\n\t\t\t\t<td width=145><img src=\"http://www.01net.com/img/ban/Ban_v4_AnnuaiRev_MA.gif\" vspace=1></td>\r\n\t\t\t\t<td rowspan=2 width=15><img src=\"http://www.01net.com/img/dot.gif\" width=15 height=1></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr><form action=\"http://micro-achat.01net.com/annuaire/recherche.php\" method=\"post\" name=\"selection\">\r\n\t\t\t\t<td bgcolor=#FFFFDD>\r\n\t\t\t\t<div style=\"border:solid 1px #FFCC00;width:100%\"><div style=\"padding:2px;\"><img src=\"http://www.01net.com/img/v4/MA/carte_revend.gif\"><br>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b>Choisir une r\351gion</b><br></font>\r\n<select name=\"region\" onChange=\"regionChange()\" style=\"display : block; font-size:9px;font-variant:arial,helvetica,sans-serif;\">\r\n<option value=\"aucun\">-------------</option>\r\n<option value=\"Nord-Pas-de-Calais\">Nord-Pas-de-Calais</option>\r\n<option value=\"Haute-Normandie\">Haute-Normandie</option>\r\n<option value=\"Basse-Normandie\">Basse-Normandie</option>\r\n<option value=\"Picardie\">Picardie</option>\r\n<option value=\"Bretagne\">Bretagne</option>\r\n<option value=\"Pays-de-Loire\">Pays-de-Loire</option>\r\n<option value=\"Centre\">Centre</option>\r\n<option value=\"Ile-de-France\">Ile-de-France</option>\r\n<option value=\"Champagnes-Ardennes\">Champagne ardennes</option>\r\n<option value=\"Lorraine\">Lorraine</option>\r\n<option value=\"Alsace\">Alsace</option>\r\n<option value=\"Franche-Compte\">Franche-Compte</option>\r\n<option value=\"Bourgogne\">Bourgogne</option>\r\n<option value=\"Poitou-Charentes\">Poitou-Charentes</option>\r\n<option value=\"Limousin\">Limousin</option>\r\n<option value=\"Auvergne\">Auvergne</option>\r\n<option value=\"Rhone-Alpes\">Rhone-Alpes</option>\r\n<option value=\"Aquitaine\">Aquitaine</option>\r\n<option value=\"Midi-Pyrenees\">Midi-Pyrenees</option>\r\n<option value=\"Languedoc-Roussillon\">Languedoc roussillon</option>\r\n<option value=\"Provence-Alpes-Cote-dazur\">PACA</option>\r\n<option value=\"Corse\">Corse</option>\r\n<option value=\"DomTom\">DomTom</option>\r\n</select>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b>Un d\351partement</b><br></font>\r\n<select name=\"departement\" onChange=\"deptChange()\" style=\"display : block; font-size:9px;font-variant:arial,helvetica,sans-serif;\">\r\n<option value=\"aucun\">-------------</option>\r\n</select>\r\n<div id=\"arrondissement\" style=\"display : none;\">\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b>Un arrondissement</b><br></font>\r\n<select name=\"arrondissement\" style=\"display : block; font-size:9px;font-variant:arial,helvetica,sans-serif;\">\r\n<option value=\"0\">-------------</option>\r\n<option value=\"1\">I</option>\r\n<option value=\"2\">II</option>\r\n<option value=\"3\">III</option>\r\n<option value=\"4\">IV</option>\r\n<option value=\"5\">V</option>\r\n<option value=\"6\">VI</option>\r\n<option value=\"7\">VII</option>\r\n<option value=\"8\">VIII</option>\r\n<option value=\"9\">IX</option>\r\n<option value=\"10\">X</option>\r\n<option value=\"11\">XI</option>\r\n<option value=\"12\">XII</option>\r\n<option value=\"13\">XIII</option>\r\n<option value=\"14\">XIV</option>\r\n<option value=\"15\">XV</option>\r\n<option value=\"16\">XVI</option>\r\n<option value=\"17\">XVII</option>\r\n<option value=\"18\">XVIII</option>\r\n<option value=\"19\">XIX</option>\r\n<option value=\"20\">XX</option>\r\n</select>\r\n</div>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=10><br>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b>Recherche directe</b><br></font>\r\n\t\t\t\t<font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\"><img src=\"http://www.01net.com/img/dot.gif\" width=8 height=1>rechercher une ville<br><img src=\"http://www.01net.com/img/dot.gif\" width=8 height=1>et/ou une boutique<br></font>\r\n\t\t\t\t<input type=\"text\" name=\"recherchedirecte\" size=\"14\" style=\"display : block; font-size:9px;font-variant:arial,helvetica,sans-serif;width:130px;\" value=\"\" onFocus=\"javascript:document.selection.recherchedirecte.value=\'\'\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=3><br>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=28 height=1>&nbsp;<input type=\"image\" src=\"http://www.01net.com/img/v4/MA/ok_bloc_recher_MA.gif\" border=\"0\">\r\n\t\t\t\t<table height=23 width=135 cellspacing=0 cellpadding=0 border=0 bgcolor=#FFEE77>\r\n\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t<td bgcolor=#FFEE77 valign=middle align=center><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://micro-achat.01net.com/annuaire/\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b>Recherche avanc\351e</b></font></a></td>\r\n\t\t\t\t\t</tr>\r\n\t\t\t\t</table>\r\n\t\t\t\t</div>\r\n\t\t\t\t</div>\r\n\t\t\t\t</td>\r\n\t\t\t</tr></form>\r\n\t\t</table>\r\n\t\t</td>\r\n<!-- DEBUT MicroAchat MA_Telecharg //-->\r\n<td valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=13><br>\r\n<table width=\"145\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/v4/MA/Ban_v4_MA_telec.gif\"></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td>\r\n\t\t<table width=\"145\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" bgcolor=\"#DFECF6\">\r\n\t\t\t<tr>\r\n\t\t\t\t<td rowspan=\"17\"><img src=\"http://www.01net.com/img/dot.gif\" width=\"6\"></td>\r\n\t\t\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"></td>\r\n\t\t\t\t<td rowspan=\"17\"><img src=\"http://www.01net.com/img/dot.gif\" width=\"6\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Bureautique\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Bureautique</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Traducteur, organiseur...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Multimedia\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Multim\351dia</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Photo, audio, vid\351o...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Utilitaire\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Utilitaires</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Antivirus, pilotes, gravure...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Personnaliser\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Personnaliser son PC</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Ecrans de veille, th\350mes...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Programmation\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>D\351veloppement</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Cr\351ation de logiciels, BDD...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Jeux\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Jeux</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Action, simulation...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Internet\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Internet</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Utilitaires, email, FTP...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Loisirs\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Loisirs</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Humour, culture...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t</tr>\r\n</table>\r\n</td>\r\n<!-- FIN MicroAchat MA_Telecharg //-->  \t</tr>\r\n</table>\r\n</td>\r\n<!-- FIN MicroAchat MA_AnnTelec --> <!-- - ZONE M2 -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- + ZONE M3 -->\r\n<!-- - ZONE M3 -->\r\n<!-- + ZONE M4 -->\r\n<!-- - ZONE M4 -->\r\n<!-- + ZONE M5 -->\r\n<!-- - 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ZONE d6 -->\r\n<!-- + ZONE d7 -->\r\n<!-- - ZONE d7 -->\r\n<!-- + ZONE d8 -->\r\n<!-- - ZONE d8 -->\r\n<!-- + ZONE d9 -->\r\n<!-- - ZONE d9 -->\r\n<!-- -ZONE_dn -->\r\n\t\t\t\t</tr>\r\n\t\t\t</table>\r\n\t\t\t</td>\r\n\t\t</tr>\r\n\t\t</table>\r\n<!-- FIN WORK -->\r\n\t\t</td>\r\n<!-- *********************************************************************FIN VENTRE********************************************************************************************************************************************** //-->\r\n\t\t<td rowspan=2 valign=top width=23 background=\"http://www.01net.com/img/v4/sep_verticale.gif\"><img src=\"http://www.01net.com/img/dot.gif\" width=23 height=1><br></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t\t<td colspan=2>\r\n\t\t\t<table border=0 cellpadding=0 cellspacing=0 width=100%>\r\n<!-- +ZONE_Bn -->\r\n<!-- + ZONE B0 -->\r\n<!-- - ZONE B0 -->\r\n<!-- + ZONE B1 -->\r\n<tr><!-- ********** DEBUT BLOC Home NosJournauxV4 //-->\r\n<td valign=top bgcolor=#FFFFFF>\r\n<img 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style=\"background-image:url(/img/v4/tet_droite-mha.gif);background-position:bottom;background-repeat:repeat-x\"><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=66 align=left hspace=0 vspace=0></td>\r\n\t</tr>\r\n</table>\r\n<table width=100% cellspacing=0 cellpadding=0 border=0 bgcolor=#ffffff>\r\n\t<tr>\r\n\t\t<td valign=top background=\"http://www.01net.com/img/v4/fond_date-mha.gif\" height=18 width=500><img src=\"http://www.01net.com/img/dot.gif\" width=500 height=1><br><img src=\"http://www.01net.com/img/dot.gif\" width=19 height=1><font face=\"Arial\" size=1 color=#666666 style=\"font-size: 11px;\"><b>Derni\350re mise \340 jour de cette page : lundi 8 novembre 2004&nbsp;&nbsp;|&nbsp;&nbsp;16:45</b></font></td>\r\n\t\t<td width=100% background=\"http://www.01net.com/img/v4/fond_date2-mha.gif\" height=18></td>\r\n\t</tr>\r\n</table>\r\n<!-- ********** FIN MODELE INTERNE TETES MHA-tetev4 //--> <!-- - ZONE TETE -->\r\n<!-- ***************************************************************************************************************************************************************************************************************************** //-->\r\n<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n<!-- DEBUT PARTIE PUB //-->\r\n\t<tr>\r\n<td align=center valign=middle colspan=2 background=\"http://www.01net.com/img/v4/fond_bann.gif\"><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br>\r\n<!-- + ZONE Z0 -->\r\n<SCRIPT LANGUAGE=\"JAVASCRIPT\">\r\nvar fa = \"\";\r\nvar fab = document.URL.toString();\r\nif (fab.indexOf(\"?fa\") != -1 || fab.indexOf(\"&fa\") != -1)\r\n{\r\nfa = \";!category=fai\";\r\n}\r\nvar etatmessage = false;\r\nvar enchainement = false;\r\n</SCRIPT>\r\n<SCRIPT LANGUAGE=\"JavaScript1.1\">\r\nsas_pageid=\'167/3872\';\r\nsas_formatid=95;\t\t\t// Format : Banner/Scope 468x60\r\nsas_master=\'M\';\t\t\t// Master : M=master or S=slave\r\nsas_target=exc + 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background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/point.gif); background-repeat: repeat-x; background-position : 0px 3px;\" colspan=\"2\"><span style=\"float : left; position : relative; font-size : 10px; color : #cc0003; background-color : #ffffff;\">Imagerie&nbsp;</span></td>\n\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<td style=\"width : 65px; vertical-align : top;\"><img src=\"http://micro-achat.01net.com/img/photoproduit/12537-vignette.png\" alt=\"\" style=\"border : 1px solid #000000;\" /></td>\n\t\t\t\t\t\t\t<td style=\"width : 75px; font-size : 11px; font-weight : 700;\">\n\t\t\t\t\t\t\t\t<a style=\"color : #cc0003; text-decoration : none;\" href=\"http://micro-achat.01net.com/guide-produits/imagerie/moniteurs-lcd/l1720b/\">LG L1720B</a>\n\t\t\t\t\t\t\t\t<div style=\"text-align : center; width : 100%; font-size : 9px; font-weight : 100; margin-top : 5px;\">\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t<div style=\"width : 75px; height : 21px; color : #ffffff; font-size : 12px; font-weight : 700; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/fond-prix.gif);\"><span style=\"position : relative; top : 3px;\">332.89 &#128;</span></div>\n\t\t\t\t\t\t\t\t</div>\n\t\t\t\t\t\t\t</td>\n\t\t\t\t\t\t</tr><tr>\n\t\t\t\t\t\t\t<td style=\"height : 12px; vertical-align : top; padding : 0; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/point.gif); background-repeat: repeat-x; background-position : 0px 3px;\" colspan=\"2\"><span style=\"float : left; position : relative; font-size : 10px; color : #cc0003; background-color : #ffffff;\">Ordinateurs&nbsp;</span></td>\n\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<td style=\"width : 65px; vertical-align : top;\"><img src=\"http://micro-achat.01net.com/img/photoproduit/4043-vignette.png\" alt=\"\" style=\"border : 1px solid #000000;\" /></td>\n\t\t\t\t\t\t\t<td style=\"width : 75px; font-size : 11px; font-weight : 700;\">\n\t\t\t\t\t\t\t\t<a style=\"color : #cc0003; text-decoration : none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/desktops/veriton-7600g/\">Acer Veriton 7600G</a>\n\t\t\t\t\t\t\t\t<div style=\"text-align : center; width : 100%; font-size : 9px; font-weight : 100; margin-top : 5px;\">\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t<div style=\"width : 75px; height : 21px; color : #ffffff; font-size : 12px; font-weight : 700; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/fond-prix.gif);\"><span style=\"position : relative; top : 3px;\">705 &#128;</span></div>\n\t\t\t\t\t\t\t\t</div>\n\t\t\t\t\t\t\t</td>\n\t\t\t\t\t\t</tr><tr>\n\t\t\t\t\t\t\t<td style=\"height : 12px; vertical-align : top; padding : 0; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/point.gif); background-repeat: repeat-x; background-position : 0px 3px;\" colspan=\"2\"><span style=\"float : left; position : relative; font-size : 10px; color : #cc0003; background-color : #ffffff;\">Ordinateurs&nbsp;</span></td>\n\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<td style=\"width : 65px; vertical-align : top;\"><img src=\"http://micro-achat.01net.com/img/photoproduit/1903-vignette.png\" alt=\"\" style=\"border : 1px solid #000000;\" /></td>\n\t\t\t\t\t\t\t<td style=\"width : 75px; font-size : 11px; font-weight : 700;\">\n\t\t\t\t\t\t\t\t<a style=\"color : #cc0003; text-decoration : none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/mini-pc/sn95g5/\">Shuttle SN95G5</a>\n\t\t\t\t\t\t\t\t<div style=\"text-align : center; width : 100%; font-size : 9px; font-weight : 100; margin-top : 5px;\">\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t<div style=\"width : 75px; height : 21px; color : #ffffff; font-size : 12px; font-weight : 700; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/fond-prix.gif);\"><span style=\"position : relative; top : 3px;\">375 &#128;</span></div>\n\t\t\t\t\t\t\t\t</div>\n\t\t\t\t\t\t\t</td>\n\t\t\t\t\t\t</tr><tr>\n\t\t\t\t\t\t\t<td style=\"height : 12px; vertical-align : top; padding : 0; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/point.gif); background-repeat: repeat-x; background-position : 0px 3px;\" colspan=\"2\"><span style=\"float : left; position : relative; font-size : 10px; color : #cc0003; background-color : #ffffff;\">Composants&nbsp;</span></td>\n\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<td style=\"width : 65px; vertical-align : top;\"><img src=\"http://micro-achat.01net.com/img/photoproduit/1259-vignette.png\" alt=\"\" style=\"border : 1px solid #000000;\" /></td>\n\t\t\t\t\t\t\t<td style=\"width : 75px; font-size : 11px; font-weight : 700;\">\n\t\t\t\t\t\t\t\t<a style=\"color : #cc0003; text-decoration : none;\" href=\"http://micro-achat.01net.com/guide-produits/composants/cartes-meres/a7n8x-e-deluxe/\">Asus A7N8X-E Deluxe</a>\n\t\t\t\t\t\t\t\t<div style=\"text-align : center; width : 100%; font-size : 9px; font-weight : 100; margin-top : 5px;\">\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t<div style=\"width : 75px; height : 21px; color : #ffffff; font-size : 12px; font-weight : 700; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/fond-prix.gif);\"><span style=\"position : relative; top : 3px;\">91.99 &#128;</span></div>\n\t\t\t\t\t\t\t\t</div>\n\t\t\t\t\t\t\t</td>\n\t\t\t\t\t\t</tr><tr>\n\t\t\t\t\t\t\t<td style=\"height : 12px; vertical-align : top; padding : 0; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/point.gif); background-repeat: repeat-x; background-position : 0px 3px;\" colspan=\"2\"><span style=\"float : left; position : relative; font-size : 10px; color : #cc0003; background-color : #ffffff;\">Composants&nbsp;</span></td>\n\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t<td style=\"width : 65px; vertical-align : top;\"><img src=\"http://micro-achat.01net.com/img/photoproduit/4687-vignette.png\" alt=\"\" style=\"border : 1px solid #000000;\" /></td>\n\t\t\t\t\t\t\t<td style=\"width : 75px; font-size : 11px; font-weight : 700;\">\n\t\t\t\t\t\t\t\t<a style=\"color : #cc0003; text-decoration : none;\" href=\"http://micro-achat.01net.com/guide-produits/composants/ventilateur/sp-94/\">Thermalright SP-94</a>\n\t\t\t\t\t\t\t\t<div style=\"text-align : center; width : 100%; font-size : 9px; font-weight : 100; margin-top : 5px;\">\n\t\t\t\t\t\t\t\t\t\340 partir de\n\t\t\t\t\t\t\t\t\t<div style=\"width : 75px; height : 21px; color : #ffffff; font-size : 12px; font-weight : 700; background-image : url(http://micro-achat.01net.com/img/utils/micro-achat/fond-prix.gif);\"><span style=\"position : relative; top : 3px;\">49 &#128;</span></div>\n\t\t\t\t\t\t\t\t</div>\n\t\t\t\t\t\t\t</td>\n\t\t\t\t\t\t</tr></table>\n\t\t\t\t<table style=\"border-spacing : 0px 1px; width : 146px; margin-top : 15px;\" cellspacing=\"0\">\n\t\t\t\t<tr><th colspan=\"2\" style=\"padding : 0;\"><img src=\"http://micro-achat.01net.com/img/utils/micro-achat/tete-revendeurmisajour.gif\" alt=\"\" /></th></tr><tr style=\"background-color : #ddeeee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">1 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Rhone-Alpes/Ain/pc-look\" style=\"color : #000000; text-decoration : none;\">PC Look</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ccddee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">2 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Nord-Pas-de-Calais/Pas-de-Calais/atelier-informatique\" style=\"color : #000000; text-decoration : none;\">Atelier Informatique</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ddeeee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">3 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Val-de-Marne/zanax-multimedia\" style=\"color : #000000; text-decoration : none;\">Zanax Multim\351dia</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ccddee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">4 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Hauts-de-Seine/misteroops\" style=\"color : #000000; text-decoration : none;\">MISTEROOPS</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ddeeee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">5 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Paris/12/168-golden-avenue\" style=\"color : #000000; text-decoration : none;\">168 Golden Avenue</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ccddee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">6 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Seine-Saint-Denis/microchoix\" style=\"color : #000000; text-decoration : none;\">microchoix</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ddeeee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">7 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Paris/12/e-soph\" style=\"color : #000000; text-decoration : none;\">e-Soph</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ccddee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">8 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Paris/13/pc-price-club\" style=\"color : #000000; text-decoration : none;\">PC Price Club</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ddeeee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">9 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Ile-de-France/Seine-et-Marne/pc-77\" style=\"color : #000000; text-decoration : none;\">PC 77</a></td>\n\t\t\t\t</tr><tr style=\"background-color : #ccddee; font-size : 10px; font-weight : 700; color : #cc0003;\">\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 32px;\">10 <img src=\"http://micro-achat.01net.com/img/utils/micro-achat/flechefine_fondtransp.gif\" alt=\"&gt;\" /></td>\n\t\t\t\t\t<td style=\"border-top : 1px solid #ffffff; width : 110px;\"><a href=\"http://micro-achat.01net.com/annuaire/Alsace/Bas-Rhin/web-in-informatique\" style=\"color : #000000; text-decoration : none;\">Web In Informatique</a></td>\n\t\t\t\t</tr></table>\n\t\t\t\t</div>\n\t\t\t\t<br>\r\n<!-- FIN MA_ColD --> <!-- - ZONE D0 -->\r\n<!-- + ZONE D1 -->\r\n<!-- - ZONE D1 -->\r\n<!-- + ZONE D2 -->\r\n<!-- - ZONE D2 -->\r\n<!-- -ZONE_Dn -->\r\n</td>\r\n\t</tr>\r\n<!-- FIN PARTIE PUB //-->\r\n\t<tr>\r\n\t\t<td valign=top width=193 height=100% background=\"http://www.01net.com/img/v4/sepgrisedroite.gif\">\r\n\t\t<!-- contenu colonne de gauche //-->\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0  background=\"http://www.01net.com/img/v4/sepgrisedroite.gif\">\r\n<!-- +ZONE_Gn -->\r\n<!-- + ZONE G0 -->\r\n<tr><!-- ********** DEBUT MHA_MenusChainesV4 //-->\r\n<td valign=top>\n<table border=0 cellpadding=0 cellspacing=0 width=193 bgcolor=#FFFFFF>\n<tr>\n<td background=\"/img/v4/menus/motifgauche_menus.gif\" width=20 rowspan=2><img src=\"/img/dot.gif\" width=20 height=20></td>\n<td width=173 colspan=2 bgcolor=#FFFFFF><img src=\"/img/dot.gif\" width=173 height=20></td>\n</tr>\n<tr>\n<td valign=top width=159>\n\n<a href=\"http://www.01net.com\"><img src=\"/img/v4/menus/mha/home01net-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com\"><img src=\"/img/v4/menus/mha/home-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4317.html\"><img src=\"/img/v4/menus/mha/ordinateurs-2.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4318.html\"><img src=\"/img/v4/menus/mha/composants-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4319.html\"><img src=\"/img/v4/menus/mha/stockage-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4320.html\"><img src=\"/img/v4/menus/mha/image-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4321.html\"><img src=\"/img/v4/menus/mha/peripheriques-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4322.html\"><img src=\"/img/v4/menus/mha/reseaux-1.gif\" width=159 border=0></a><br>\n<a href=\"http://microachat.01net.com/rubrique/4323.html\"><img src=\"/img/v4/menus/mha/accessoires-1.gif\" width=159 border=0></a><br>\n<a href=\"http://micro-achat.01net.com/guide-produits/\"><img src=\"/img/v4/menus/mha/comparateur-1.gif\" width=159 border=0></a><br>\n<a href=\"http://micro-achat.01net.com/annuaire/\"><img src=\"/img/v4/menus/mha/annuaire-1.gif\" width=159 border=0></a><br></td>\n<td width=14><img src=\"/img/dot.gif\" width=14 height=14></td>\n</tr>\n<tr>\n<td colspan=3><img src=\"/img/v4/menus/bas_menus.gif\" width=193 height=31></td>\n</tr>\n</table></td><!-- ********** FIN MHA_MenusChainesV4 //--> </tr><!-- - ZONE G0 -->\r\n<!-- + ZONE G1 -->\r\n<tr><!-- DEBUT MODELE RUBRIQUE V4ColGaucheMHA //-->\r\n<!-- ********** DEBUT BLOC DernieresNewsTC //-->\r\n<td valign=top>\r\n<!-- DEBUT RECHERCHE MHA -->\r\n<table width=* cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n\t\t\t<td valign=top background=\"http://microachat.01net.com/img/v4/fond_rech_mha.gif\" height=98 style=\"background-repeat:no-repeat;\"><form method=\"get\" name=\"chercher\" action=\"http://www.01net.com/aiguillage_recherche/1,6138,,00.html\"><img src=\"http://microachat.01net.com/img/dot.gif\" width=193 height=17><br>\r\n\t\t\t<img src=\"http://microachat.01net.com/img/dot.gif\" width=28 height=1><input type=\"text\" name=\"fullText\" style=\"width:130px;font:12px;\"><br><img src=\"http://microachat.01net.com/img/dot.gif\" width=1 height=6><br>\r\n\t\t\t<img src=\"http://microachat.01net.com/img/dot.gif\" width=28 height=1><select name=\"sousArbo\" style=\"width:130px;font:12px;\">\r\n\t\t\t<option value=\"mha\">dans Micro Achat\r\n\t\t\t<option value=\"cmp\">les prix\r\n\t\t\t<option value=\"ann\">les revendeurs\r\n\t\t\t<option value=\"2641\">tout 01net.\r\n\t\t\t<option value=\"emploi\">les offres d\'emploi\r\n\t\t\t<option value=\"telecharger\"> telecharger.com\r\n\t\t\t<option value=\"web\">le web\r\n\t\t\t</select><br><img src=\"http://microachat.01net.com/img/dot.gif\" width=1 height=9><br>\r\n\t\t\t<img src=\"http://microachat.01net.com/img/dot.gif\" width=28 height=1><input type=\"image\" src=\"http://microachat.01net.com/img/v4/ok_bloc_recher_mha.gif\" border=\"0\"></form>\r\n\t\t\t</td>\r\n\t\t</tr>\r\n</table>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=10 vspace=0>\r\n<!-- FIN RECHERCHE MHA -->\r\n      <!-- modele TCFilColgTitV4 //-->\r\n    <table width=193 cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td valign=top>\r\n\t\t<table width=155 cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=2><img src=\"http://www.01net.com/img/ban/Ban_v4_DernieresNews01net.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4></td>\r\n\t\t\t</tr>\r\n\t\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"></td>\r\n\t\t\t\t<td valign=top><A HREF=\"http://www.01net.com/article/256059.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">CD et DVD bient\364t insensibles aux rayures<br></font></a><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=2></td>\r\n\t\t\t</tr>\r\n\t\t\t\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"></td>\r\n\t\t\t\t<td valign=top><A HREF=\"http://www.01net.com/article/255796.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">OpenOffice gagne son service<br></font></a><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=2></td>\r\n\t\t\t</tr>\r\n\t\t\t\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"></td>\r\n\t\t\t\t<td valign=top><A HREF=\"http://www.01net.com/article/255731.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">La messagerie en cinq minutes selon Ipswitch<br></font></a><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=2></td>\r\n\t\t\t</tr>\r\n\t\t\t\t\t\t\t\t<tr>\r\n\t\t\t\t<td valign=top colspan=2><A HREF=\"http://www.01net.com/actus/\" style=\"text-decoration:none;\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\">> toutes les news<br></font></a></td>\r\n\t\t\t</tr>\r\n\t\t\t\t<tr>\r\n\t\t\t\t<td colspan=2><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/crochet_bleuhaut_155.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t</tr>\r\n</table>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=20> <!-- ********** FIN BLOC DernieresNewsTC //-->\r\n<!-- ********** DEBUT BLOC  NL_MHA //-->\r\n<SCRIPT language=\"javascript\" src=\"http://www.01net.com/js/lib.js\"></SCRIPT>\r\n<table width=* cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<FORM name=\"formgen\" method=\"get\" action=\"http://microachat.01net.com/outils/newsletter_MicroAchat.html\" onSubmit=\"return validateForm(this)\">\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td width=155 colspan=4><img src=\"http://www.01net.com/img/ban/Ban_V4_Newslett.gif\"></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td width=10><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td width=1 bgcolor=#CC0000><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t<td width=153>\r\n\t\t<table width=153 cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t<tr>\r\n\t\t\t\t<td width=10><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t\t\t<td valign=top><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/flechefinefd_ffffff.gif\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Recevez chaque jour l\'actualit\351 des produits et des promos<br></font>\r\n\t\t\t\t<table width=* cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t<td><input type=\"text\" name=\"email\" size=\"14\" style=\"width:130px;font:12px;\" value=\"entrez votre e-mail\" onFocus=\"javascript:document.formgen.email.value=\'\'\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=9><br>\r\n\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=28 height=1><input type=\"image\" src=\"http://www.01net.com/img/v4/ok_bloc_recher.gif\" border=\"0\"></td>\r\n\t\t\t\t\t</tr>\r\n\t\t\t\t</table>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t\t<td width=1 bgcolor=#CC0000><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td width=155 colspan=4><img src=\"http://www.01net.com/img/v4/base_newsletters.gif\"></td>\r\n\t\t</FORM>\r\n\t</tr>\r\n</table>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=20>\r\n<SCRIPT language=\"Javascript\">\r\ndocument.formgen.email.validator= \'notNullEmailPat\';\r\ndocument.formgen.email.nomvalidator= \'E-mail\';\r\n</SCRIPT>\r\n<!-- ********** FIN BLOC NL_MHA //-->\r\n</td>\r\n</tr>\r\n<tr>\r\n<!-- ********** DEBUT BLOC Actus ActusUneV4 //-->\r\n<td valign=top background=\"http://www.01net.com/img/v4/sepgrisedroite.gif\">\r\n<table width=193 cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td valign=top>\r\n\t\t<table width=155 cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=4><img src=\"http://www.01net.com/img/ban/Ban_v4_LaUne.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t\t\t<td valign=top><a href=\"http://www.01net.com/entreprise/\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b><u>Entreprise</u></b><br></font></a>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://www.01net.com/article/255737.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">Quand le billet papier s\'envole vers la d\351mat\351rialisation</font></a></td>\r\n\t\t\t\t<td valign=top width=2><img src=\"http://www.01net.com/img/dot.gif\" width=2 height=1></td>\r\n\t\t\t\t<td valign=top><a href=\"http://www.01net.com/article/255737.html\"><img src=\"http://www.01net.com/img/MEA_v4/billet_virtuel-65.jpg\" border=0></a></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=4><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/LaUne_Sep.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t\t\t<td valign=top><a href=\"http://www.01net.com/pratique/\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b><u>Trucs et astuces</u></b><br></font></a>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"/article/255698.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">D\351pannez Windows XP</font></a></td>\r\n\t\t\t\t<td valign=top width=2><img src=\"http://www.01net.com/img/dot.gif\" width=2 height=1></td>\r\n\t\t\t\t<td valign=top><a href=\"http://www.01net.com/article/255698.html\"><img src=\"http://www.01net.com/img/MEA_v4/depannez_XP-65.jpg\" border=0 ></a></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=4><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/LaUne_Sep.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t\t</tr>\r\n\t\t    <tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t\t\t<td valign=top colspan=3><a href=\"http://www.01net.com/conso/\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b><u>Conso</u></b><br></font></a>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"/article/255524.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">Vos photos sur papier imprimante ou labo ?<br></font></a></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=4><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/LaUne_Sep.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t<!-- exemple de lien avec pseudorub pour produits et tests -->\r\n\t\t<!-- <a href=\"/outils/PseudoRub.php?base=test-comp&rub=1730&pseudo=test-comp20041005\"> -->\r\n\t\t\t<tr>\r\n\t\t\t\t<td valign=top width=1><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t\t\t<td valign=top colspan=3><a href=\"http://www.01net.com/produits/\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b><u>Produits &amp; Tests</u></b><br></font></a>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"/article/255782.html\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 11px; text-decoration:none;\">5 programmes d\222encodage vid\351o gratuits<br></font></a></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td colspan=4><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/LaUne_Sep.gif\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t</tr>\r\n</table>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=20>\r\n</td>\r\n<!-- ********** FIN BLOC Actus ActusUneV4 //-->    </tr>\r\n<tr>\r\n<td>\r\n<table width=193 cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" width=10 height=1></td>\r\n\t\t<td valign=top><a href=\"mailto:s.cohen@micro-achat.fr\"><img border=0 src=\"http://www.01net.com/img/v4/espace-revendeurs.gif\"></td>\r\n\t</tr>\r\n</table>\r\n<br>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=20></td>\r\n<!-- FIN MODELE RUBRIQUE V4ColGaucheMHA //-->  </tr><!-- - ZONE G1 -->\r\n<!-- + ZONE G2 -->\r\n<!-- - ZONE G2 -->\r\n<!-- + ZONE G3 -->\r\n<!-- - ZONE G3 -->\r\n<!-- + ZONE G4 -->\r\n<!-- - ZONE G4 -->\r\n<!-- + ZONE G5 -->\r\n<!-- - ZONE G5 -->\r\n<!-- + ZONE G6 -->\r\n<!-- - ZONE G6 -->\r\n<!-- + ZONE G7 -->\r\n<!-- - ZONE G7 -->\r\n<!-- + ZONE G8 -->\r\n<!-- - ZONE G8 -->\r\n<!-- + ZONE G9 -->\r\n<!-- - ZONE G9 -->\r\n<!-- + ZONE GA -->\r\n<!-- - ZONE GA -->\r\n<!-- + ZONE GB -->\r\n<!-- - ZONE GB -->\r\n<!-- + ZONE GC -->\r\n<!-- - ZONE GC -->\r\n<!-- + ZONE GD -->\r\n<!-- - ZONE GD -->\r\n<!-- + ZONE GE -->\r\n<!-- - ZONE GE -->\r\n<!-- + ZONE GF -->\r\n<!-- - ZONE GF -->\r\n<!-- -ZONE_Gn -->\r\n\t\t</table>\r\n\t\t<!-- fin contenu colonne de gauche //-->\r\n\t\t</td>\r\n<!-- ***************************************************************** DEBUT VENTRE*********************************************************************************************************************************************** //-->\r\n<!-- DEBUT WORK -->\r\n\t\t<td valign=top width=625 bgcolor=#ffffff><img src=\"http://www.01net.com/img/dot.gif\" width=625 height=1><br>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- +ZONE_hn -->\r\n<!-- + ZONE h0 -->\r\n<!-- MA_ban_int -->\r\n<td valign=\"top\">\r\n<img src=\"/img/dot.gif\" height=\"18\"><br>\r\n<!-- pour ordipda -->\r\n<table width=\"625\" cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<td><img src=\"/img/v4/MA/Ban_MA_ordis.gif\"></td>\r\n\t</tr>\r\n</table>\r\n\t</td>\r\n<!-- /MA_ban_int -->     <!-- - ZONE h0 -->\r\n<!-- + ZONE h1 -->\r\n<!-- - ZONE h1 -->\r\n<!-- + ZONE h2 -->\r\n<!-- - ZONE h2 -->\r\n<!-- -ZONE_hn -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- +ZONE_Hn -->\r\n<!-- + ZONE H0 -->\r\n<!-- Ma_int_Leader -->\r\n    <td valign=top>\r\n<img src=\"/img/dot.gif\" width=1 height=18><br>\r\n<table border=0 cellpadding=0 cellspacing=0 width=320>\r\n<tr>\r\n\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<td width=144 valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=143 height=1 vspace=0><br>\r\n<font face=arial,helvetica size=1 color=#CC0000 style=font-size:11px;>Portable</font><br>\r\n<A HREF=\"/article/256198.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=font-size:14px;><b>Un nouvel ultra portable r\351alis\351 par Nec</b></font></a><br>\r\n<!--debut  insertion image //-->\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"/article/256198.html\" style=\"text-decoration:none;color:#000000;\"><img src=\"/images/67509.jpg.res_100-100.jpg\" border=0 hspace=0 vspace=0></a><br>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t<!-- fin insertion image //-->\r\n<font face=arial,helvetica size=2 color=#000000 style=font-size:12px;><img src=\"/img/v4/flechefine_fondtransp.gif\">Le Versa S940 a un format r\351duit, mais ses performances sont \340 la hauteur.</font><br>\r\n<font face=arial,helvetica size=1 color=#CC0000 style=font-size:12px;>\340 partir de 1663&#160;\200</font>\r\n</td>\r\n<td width=17 background=\"/img/v4/MA/v4-fond-sep-mea-leader.gif\"><img src=\"/img/dot.gif\" width=17 height=1></td>\r\n\t\t\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<td width=144 valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=143 height=1 vspace=0><br>\r\n<font face=arial,helvetica size=1 color=#CC0000 style=font-size:11px;>Portable</font><br>\r\n<A HREF=\"/article/255194.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=font-size:14px;><b>Asus pr\351sente trois petits nouveaux dans la gamme A3N</b></font></a><br>\r\n<!--debut  insertion image //-->\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"/article/255194.html\" style=\"text-decoration:none;color:#000000;\"><img src=\"/images/67168.jpg.res_100-100.jpg\" border=0 hspace=0 vspace=0></a><br>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t<!-- fin insertion image //-->\r\n<font face=arial,helvetica size=2 color=#000000 style=font-size:12px;><img src=\"/img/v4/flechefine_fondtransp.gif\">Ces trois portables Centrino int\350grent, entre autres, une webcam et un contr\364leur Wi-Fi.</font><br>\r\n<font face=arial,helvetica size=1 color=#CC0000 style=font-size:12px;>\340 partir de 1346&#160;\200</font>\r\n</td>\r\n<td width=15><img src=\"/img/dot.gif\" width=15 height=1></td>\r\n\t\t\t\t</tr>\r\n</table>\r\n</td>\r\n<!-- /Ma_int_Leader -->    <!-- - ZONE H0 -->\r\n<!-- + ZONE H1 -->\r\n<!-- - ZONE H1 -->\r\n<!-- + ZONE H2 -->\r\n<!-- MA_BP_MP -->\r\n<td valign=\"top\" width=\"100%\">\r\n\t<table width=\"100%\" cellpadding=\"0\" cellspacing=\"0\" border=\"0\">\r\n\t<tr>\r\n\t<td width=\"50%\" valign=\"top\">\r\n\t<!-- DEBUT MicroAchat MA_BonPlan -->\r\n<td valign=top>\r\n<img src=\"/img/dot.gif\" width=1 height=18><br>\r\n<table border=0 cellpadding=1 cellspacing=0 width=145 bgcolor=#CC0000>\r\n<tr>\r\n<td align=center><font face=arial,helvetica size=1 color=#FFFFFF style=\"font-size:11px;\">BON PLAN</a></font></td>\r\n</tr>\r\n<tr>\r\n<td  width=145>\r\n<div style=\"padding:5px;padding-left:5px;padding-fight:5px;margin:0px;margin-left:1px;margin-right:1px;background-color:#FFFFFF;\">\r\n<img src=\"/img/microachat/logo_shuttle_SB83G5.gif\" border=0><br>\r\n<font face=arial,helvetica size=2 color=#CC0000 style=\"font-size:12px;\">Les derni\350res technologies INTEL dans un nouveau design pour ce shuttle haut de gamme, pour un prix abordable.<br></font>\r\n<center><a href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/mini-pc/sb83g5/?fabriquant=1&page=1&tri=titre\"><img src=\"/img/microachat/mea_shuttle_SB83G5.gif\" border=0 vspace=5></a><br></center>\r\n<center>\r\n<font face=arial,helvetica size=2 color=#CC0000 style=\"font-size:13px;\"><b>\340 partir de</b><br>\r\n<div style=\"border:solid 2px #CC0000;width:100px;background-color:#FFCC00;\"><b>415 \200</b></div>\r\n</center>\r\n</div>\r\n</td>\r\n</tr>\r\n<tr>\r\n<td align=center><font face=arial,helvetica size=1 color=#FFFFFF style=\"font-size:11px;\">publicit\351</a></font></td>\r\n</tr>\r\n</table>\r\n</td>\r\n<!-- FIN MicroAchat MA_BonPlan -->  \t</td>\r\n\t<td width=\"15\"><img src=\"/img/dot.gif\" width=\"15\"></td>\r\n\t<td width=\"50%\" valign=\"top\">\r\n\t<!-- DEBUT MicroAchat MA_MeillPrixAct //-->\r\n<td valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=145 height=1><br>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=18><br>\r\n<table width=* cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<FORM name=\"prix\" action=\"http://www.micro-achat.01net.com/guide-produits/recherche.php\" method=\"post\">\r\n\t\t<td width=145 colspan=3><img src=\"http://www.01net.com/img/ban/Ban_v4_MeillPrix_MA.gif\"></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td width=1 bgcolor=#FFCC00><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t\t<td width=143>\r\n\t\t<table width=143 cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t<tr>\r\n\t\t\t\t<td width=6><img src=\"http://www.01net.com/img/dot.gif\" width=6 height=1></td>\r\n\t\t\t\t<td valign=top><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=15><br>\r\n\t\t\t\t\t\t\t\t\t\t\t\t<img src=\"http://www.01net.com/img/ban/Ban_MA_trouv_ordi.gif\"><br>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/desktops/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Desktops</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/portables/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Portables</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/mini-pc/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Mini-PC</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/pda---tablets-pc/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Pda / Tablets-PC</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/apple/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">Apple</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/MA/fleche_rouge_maigre.gif\"><a style=\"font-size: 10px; text-decoration:none;\" href=\"http://micro-achat.01net.com/guide-produits/ordinateurs/gps/\"><font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\">GPS</a><br></font>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=20><br>\r\n\t\t\t\t\t\t\t\t<table width=* cellspacing=0 cellpadding=0 border=0>\r\n\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t<td><input type=\"text\" name=\"recherchedirecte\" size=\"14\" style=\"width:130px;font:12px;\" value=\"     recherche directe\" onFocus=\"javascript:document.prix.recherchedirecte.value=\'\'\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=9><br>\r\n\t\t\t\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=28 height=1><input type=\"image\" src=\"/img/v4/MA/ok_bloc_recher_MA.gif\" border=\"0\"></td>\r\n\t\t\t\t\t</tr>\r\n\t\t\t\t</table>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5></td>\r\n\t\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t\t<td width=1 bgcolor=#FFCC00><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=1></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td width=145 colspan=3><img src=\"http://www.01net.com/img/v4/MA/base_meillPrix.gif\"></td>\r\n\t\t</FORM>\r\n\t</tr>\r\n</table>\r\n</td>\r\n<!-- FIN MicroAchat MA_MeillPrixAct //-->  \t</td>\r\n\t</tr>\r\n\t</table>\r\n</td>\r\n<!-- /MA_BP_MP -->  <!-- - ZONE H2 -->\r\n<!-- -ZONE_Hn -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- +ZONE_Tn -->\r\n<!-- + ZONE T0 -->\r\n    <td valign=\"top\">\r\n<img src=\"http://www.01net.com/img/dot.gif\" height=13><br>\r\n<table border=0 width=320 cellpadding=0 cellspacing=0>\r\n<tr>\r\n<td width=305><img src=\"http://www.01net.com/img/ban/Ban_v4_DernNews_MA.gif\"><br><img src=\"http://www.01net.com/img/v4/MA/v4-tiret-hauts-mha.gif\"></td>\r\n<td rowspan=2 width=15><img src=\"http://www.01net.com/img/dot.gif\" width=15 height=1></td>\r\n</tr>\r\n<tr>\r\n<td bgcolor=\"#FEF9E0\">\r\n\t<table width=\"100%\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">\r\n\t\t<tr>\r\n\t<td><div style=\"padding:2px;width:100%;\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#CC0000\" style=\"font-size:11px;\"><b>Portable&nbsp;<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255149.html\" style=\"color:#000000;text-decoration:none;\">Toshiba consacre deux gammes de machines au multim\351dia</a></b><br>\r\n\t<font color=\"#000000\">Equipement haut de gamme et Windows Media Center sont au menu de ces portables \340 vocation multim\351dia.<br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4><br></font></td>\r\n\t</tr>\r\n\t\t\t\t<tr>\r\n\t<td><div style=\"padding:2px;width:100%;\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#CC0000\" style=\"font-size:11px;\"><b>Ordinateur&nbsp;<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/254686.html\" style=\"color:#000000;text-decoration:none;\">Arriv\351e d\'un Power Mac G5 d\'entr\351e de gamme</a></b><br>\r\n\t<font color=\"#000000\">La firme \340 la pomme propose une station de travail \351volutive et relativement abordable.<br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4><br></font></td>\r\n\t</tr>\r\n\t\t\t\t<tr>\r\n\t<td><div style=\"padding:2px;width:100%;\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#CC0000\" style=\"font-size:11px;\"><b>PC&nbsp;<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/254549.html\" style=\"color:#000000;text-decoration:none;\">Alienware propose deux machines au look \351trange</a></b><br>\r\n\t<font color=\"#000000\">Aurora et Area 51 sont deux gammes d\'ordinateurs enti\350rement configurables.<br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4><br></font></td>\r\n\t</tr>\r\n\t\t\t\t<tr>\r\n\t<td><div style=\"padding:2px;width:100%;\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#CC0000\" style=\"font-size:11px;\"><b>Portable&nbsp;<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/254501.html\" style=\"color:#000000;text-decoration:none;\">Trois nouveaux iBook G4 chez Apple</a></b><br>\r\n\t<font color=\"#000000\">Chez Apple, les portables gagnent en vitesse et communiquent sans fil en standard.<br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=4><br></font></td>\r\n\t</tr>\r\n\t\t\t\t\t<tr>\r\n\t<td><img src=\"http://www.01net.com/img/dot.gif\" height=10></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-red-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=1></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td align=\"right\">\r\n\t\t\t\t<A HREF=\"http://microachat.01net.com/rubrique/4365.html\"  style=\"text-decoration:none;\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 10px;\">> toutes les news</font></a>\r\n\t\t\t</td>\r\n\t</tr>\r\n\t</table>\r\n</td>\r\n</tr>\r\n</table>\r\n</td> <!-- - ZONE T0 -->\r\n<!-- + ZONE T1 -->\r\n<!-- Ma_derpromo  -->\r\n    <td valign=\"top\">\r\n<img src=\"/img/dot.gif\" height=13><br>\r\n<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"305\" bgcolor=\"#E9EDFC\">\r\n<tr>\r\n<td bgcolor=\"#ffffff\"><img src=\"/img/v4/MA/v4-lespromos-mha.gif\"><br><img src=\"/img/v4/MA/v4-tiret-hauts-mha.gif\"></td>\r\n</tr>\r\n</table>\r\n<!-- DEBUT MODELE D\'AFFICHAGE POUR LES n PREMIERS ARTICLES //-->\r\n\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"305\" bgcolor=\"#E9EDFC\">\r\n<tr>\r\n<td colspan=\"5\"><img src=\"/img/dot.gif\" width=\"9\"></td>\r\n</tr>\r\n<tr>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"42\" valign=\"top\">\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"/article/255806.html\" class=\"nodeco\"><img src=\"/images/67462.jpg\" border=0 hspace=0 vspace=0 width=\"42\" height=\"42\"></a>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t</td>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"*\"  valign=\"top\"><A HREF=\"/article/255806.html\" class=\"nodeco\"><font face=\"arial,helvetica\" size=2 color=\"#000000\" style=\"font-size:11px;\"><b>Asus A3N15-C Pro</b></a><br>\r\n&nbsp;<img src=\"/img/v4/flechefine_fondtransp.gif\">Voici un portable autonome et puissant gr\342ce \340 la technologie Intel Centrino.<br></font></td>\r\n</tr>\r\n<tr>\r\n<td colspan=\"5\" align=\"right\">\r\n\t<table width=\"80\" border=\"0\" bgcolor=\"#ffffff\" cellpadding=\"0\" cellspacing=\"0\">\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t<td width=\"76\" align=\"center\" bgcolor=\"#CC0000\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#ffffff\" style=\"font-size:11px;\"><b>1170&#160;\200</b></font></td>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t</table>\r\n</td>\r\n</tr>\r\n</table>\r\n\t\t\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"305\" bgcolor=\"#E9EDFC\">\r\n<tr>\r\n<td colspan=\"5\"><img src=\"/img/dot.gif\" width=\"9\"></td>\r\n</tr>\r\n<tr>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"42\" valign=\"top\">\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"/article/255688.html\" class=\"nodeco\"><img src=\"/images/67381.jpg\" border=0 hspace=0 vspace=0 width=\"42\" height=\"42\"></a>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t</td>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"*\"  valign=\"top\"><A HREF=\"/article/255688.html\" class=\"nodeco\"><font face=\"arial,helvetica\" size=2 color=\"#000000\" style=\"font-size:11px;\"><b>Soltek EQ3702A Miroir</b></a><br>\r\n&nbsp;<img src=\"/img/v4/flechefine_fondtransp.gif\">Ce mini PC est une solution int\351ressante pour les utilisateurs poss\351dant d\351j\340 un \351cran.<br></font></td>\r\n</tr>\r\n<tr>\r\n<td colspan=\"5\" align=\"right\">\r\n\t<table width=\"80\" border=\"0\" bgcolor=\"#ffffff\" cellpadding=\"0\" cellspacing=\"0\">\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t<td width=\"76\" align=\"center\" bgcolor=\"#CC0000\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#ffffff\" style=\"font-size:11px;\"><b>559&#160;\200</b></font></td>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t</table>\r\n</td>\r\n</tr>\r\n</table>\r\n\t\t\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"305\" bgcolor=\"#E9EDFC\">\r\n<tr>\r\n<td colspan=\"5\"><img src=\"/img/dot.gif\" width=\"9\"></td>\r\n</tr>\r\n<tr>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"42\" valign=\"top\">\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"/article/255513.html\" class=\"nodeco\"><img src=\"/images/67319.jpg\" border=0 hspace=0 vspace=0 width=\"42\" height=\"42\"></a>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t</td>\r\n<td width=\"16\"><img src=\"/img/dot.gif\" width=\"16\"></td>\r\n<td width=\"*\"  valign=\"top\"><A HREF=\"/article/255513.html\" class=\"nodeco\"><font face=\"arial,helvetica\" size=2 color=\"#000000\" style=\"font-size:11px;\"><b>IBM ThinkPad R51</b></a><br>\r\n&nbsp;<img src=\"/img/v4/flechefine_fondtransp.gif\">Voici un portable complet et pourtant relativement l\351ger.<br></font></td>\r\n</tr>\r\n<tr>\r\n<td colspan=\"5\" align=\"right\">\r\n\t<table width=\"80\" border=\"0\" bgcolor=\"#ffffff\" cellpadding=\"0\" cellspacing=\"0\">\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t<td width=\"76\" align=\"center\" bgcolor=\"#CC0000\">\r\n\t<font face=\"arial,helvetica\" size=2 color=\"#ffffff\" style=\"font-size:11px;\"><b>1299&#160;\200</b></font></td>\r\n\t<td><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t<tr>\r\n\t<td colspan=\"3\"><img src=\"/img/dot.gif\" width=2></td>\r\n\t</tr>\r\n\t</table>\r\n</td>\r\n</tr>\r\n</table>\r\n\t\t\t\t<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"305\" bgcolor=\"#E9EDFC\">\r\n<tr>\r\n<td><img src=\"http://www.01net.com/img/dot.gif\" height=10></td>\r\n</tr>\r\n<tr>\r\n<td background=\"/img/v4/MA/v4-sep-red-mha.gif\"><img src=\"/img/dot.gif\" height=1></td>\r\n</tr>\r\n<tr>\r\n<td align=\"right\" valign=\"top\">\r\n\t\t\t\t<A HREF=\"http://microachat.01net.com/rubrique/4366.html\"  style=\"text-decoration:none;\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 10px;\">> toutes les promos</font></a>\r\n\t\t</td>\r\n</tr>\r\n</table>\r\n</td>\r\n<!-- /Ma_derpromo  -->   <!-- - ZONE T1 -->\r\n<!-- + ZONE T2 -->\r\n<!-- - ZONE T2 -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- + ZONE T3 -->\r\n<!-- DEBUT MicroAchat MA_PubG -->\r\n<td valign=top align=center>\r\n<table border=0 width=320 cellpadding=0 cellspacing=0>\r\n\t<tr>\r\n\t\t<td width=305><img src=\"/img/dot.gif\" width=1 height=12><br><a href=\"http://www.smartadserver.com/call/cliccommand/45590/[timestamp]?\" target=_blank><img src=\"/img/microachat/Bandeau_FX6021.jpg\" border=0></a></td>\r\n\t\t<td><img src=\"/img/dot.gif\" width=15 height=1></td>\r\n\t</tr>\r\n</table>\r\n</td>\r\n<!-- FIN MicroAchat MA_PubG -->  <!-- - ZONE T3 -->\r\n<!-- + ZONE T4 -->\r\n<!-- DEBUT MicroAchat MA_PubD -->\r\n<td valign=top align=center>\r\n<table border=0 width=305 cellpadding=0 cellspacing=0>\r\n\t<tr>\r\n\t\t<td width=305><img src=\"/img/dot.gif\" width=1 height=12><br><a href=\"http://www.smartadserver.com/call/cliccommand/45591/[timestamp]?\" target=_blank><img src=\"/img/microachat/twc_305x125.jpg\" border=0></a></td>\r\n\t</tr>\r\n</table>\r\n</td>\r\n<!-- FIN  MicroAchat MA_PubD --> <!-- - ZONE T4 -->\r\n<!-- + ZONE T5 -->\r\n<!-- - ZONE T5 -->\r\n<!-- -ZONE_Tn -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n\t\t\t<td valign=top>\r\n\t\t\t<table border=0 cellpadding=0 cellspacing=0 width=*>\r\n<!-- +ZONE_gn -->\r\n<!-- + ZONE g0 -->\r\n<!-- - ZONE g0 -->\r\n<!-- + ZONE g1 -->\r\n<!-- - ZONE g1 -->\r\n<!-- + ZONE g2 -->\r\n<!-- - ZONE g2 -->\r\n<!-- + ZONE g3 -->\r\n<!-- - ZONE g3 -->\r\n<!-- + ZONE g4 -->\r\n<!-- - ZONE g4 -->\r\n<!-- + ZONE g5 -->\r\n<!-- - ZONE g5 -->\r\n<!-- + ZONE g6 -->\r\n<!-- - ZONE g6 -->\r\n<!-- + ZONE g7 -->\r\n<!-- - ZONE g7 -->\r\n<!-- + ZONE g8 -->\r\n<!-- - ZONE g8 -->\r\n<!-- + ZONE g9 -->\r\n<!-- - ZONE g9 -->\r\n<!-- -ZONE_gn -->\r\n\t\t\t</table>\r\n\t\t\t<table border=0 cellpadding=0 cellspacing=0 width=*>\r\n\t\t\t\t<tr>\r\n<!-- +ZONE_Mn -->\r\n<!-- + ZONE M0 -->\r\n<!-- modele Ma_GuideAch //-->\r\n    <td valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" height=13><br>\r\n<table border=0 cellpadding=0 cellspacing=0 width=160>\r\n\t<tr>\r\n\t\t<td width=145><img src=\"http://www.01net.com/img/ban/Ban_v4_GuideAchat_MA.gif\" vspace=1></td>\r\n\t\t<td rowspan=2 width=15><img src=\"http://www.01net.com/img/dot.gif\" width=15 height=1></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td>\r\n\t\t<div style=\"border:solid 1px #FFCC00;width:100%\">\r\n\t<!-- ****DEBUT EXTRACTION OBJET XML *********** //-->\r\n<!-- ****FIN EXTRACTION OBJET XML *********** //-->\r\n<center>\r\n<!--debut  insertion image //-->\r\n\t\t\t\t\t       \t   \t\t\t\t\t\t\t\t\t\t\t\t\t<A HREF=\"http://microachat.01net.com/article/254561.html\" style=\"text-decoration:none;color:#000000;\"><img src=\"/images/67088.jpg.res_121-111.jpg\" border=0 hspace=0 vspace=0></a>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t       \t   \t<!-- fin insertion image //-->\r\n</center>\r\n<div style=\"padding:5px;\">\r\n<a href=\"http://microachat.01net.com/article/254561.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\"><b>Les graveurs de DVD</b><br></font></a>\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">Quel graveur choisir&#160;? Quel type de format&#160;? Quelle vitesse&#160;? Double couche ou simple couche&#160;? Voici tout ce qu\'il faut savoir pour faire le bon choix.</font></div>\r\n\t\t\t\t\t\t</div>\r\n\t\t</td>\r\n\t</tr>\r\n</table>\r\n</td> <!-- - ZONE M0 -->\r\n<!-- + ZONE M1 -->\r\n<!-- modele Ma_DirectLab //-->\r\n    <td valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=13><br>\r\n<table border=0 cellpadding=0 cellspacing=0 width=160>\r\n\t<tr>\r\n\t\t<td width=145><img src=\"http://www.01net.com/img/ban/Ban_v4_DirectLab_MA.gif\" vspace=1></td>\r\n\t\t<td rowspan=2 width=15><img src=\"http://www.01net.com/img/dot.gif\" width=15 height=1></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td>\r\n\t\t<div style=\"border:solid 1px #FFCC00;width:100%\">\r\n\t\t<div style=\"padding:4px;\">\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255744.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">\t\t\t\t\t\t\t<b>Kodak EasyShare Printer Dock Plus&#160;:</b>\r\n\t\t\t\t\t\tvos photos 10&#160;x&#160;15&#160;cm en 60&#160;secondes</font></a></div>\r\n\t\t\t\t<div style=\"padding:4px;\">\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255780.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">\t\t\t\t\t\t\t<b>3DMark05&#160;:</b>\r\n\t\t\t\t\t\tun labo 3D \340 domicile</font></a></div>\r\n\t\t\t\t<div style=\"padding:4px;\">\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255691.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">\t\t\t\t\t\t\t<b>DVDInfoPro 2.6</b>\r\n\t\t\t\t\t\treconna\356t CD et DVD</font></a></div>\r\n\t\t\t\t<div style=\"padding:4px;\">\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255722.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">\t\t\t\t\t\t\t<b>Scaleo PA D3008, de Fujitsu-Siemens&#160;:</b>\r\n\t\t\t\t\t\tune impression d\'inachev\351</font></a></div>\r\n\t\t\t\t<div style=\"padding:4px;\">\r\n<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://microachat.01net.com/article/255514.html\" style=\"text-decoration:none;color:#000000;\"><font face=arial,helvetica size=2 color=#000000 style=\"font-size:12px;\">Carbon 5&#160;Go&#160;: 2&#160;500&#160;chansons dans le creux de la main</font></a></div>\r\n\t\t\t</div></td>\r\n\t</tr>\r\n</table>\r\n</td> <!-- - ZONE M1 -->\r\n<!-- + ZONE M2 -->\r\n<!-- DEBUT MicroAchat MA_AnnTelec -->\r\n<td valign=top>\r\n<script type=\"text/javascript\">\r\nfunction regionChange()\r\n{\r\ndocument.selection.departement.options.length=0;\r\nswitch(document.selection.region.value)\r\n\t{\r\n\t\tcase \"aucun\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Nord-Pas-de-Calais\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Pas-de-Calais\", \"Pas-de-Calais\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Nord\", \"Nord\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Haute-Normandie\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Eure\", \"Eure\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Seine-Maritime\", \"Seine-Maritime\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Basse-Normandie\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Manche\", \"Manche\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Calvados\", \"Calvados\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Orne\", \"Orne\");\r\n\t\tbreak;\r\n\t\tcase \"Picardie\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Somme\", \"Somme\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Oise\", \"Oise\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Aisne\", \"Aisne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Bretagne\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Finistere\", \"Finistere\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Cotes-dArmor\", \"Cotes-dArmor\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Morbihan\", \"Morbihan\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Ille-et-Vilaine\", \"Ille-et-Vilaine\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Pays-de-Loire\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Loire-Atlantique\", \"Loire-Atlantique\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Vendee\", \"Vendee\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Maine-et-Loire\", \"Maine-et-Loire\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Mayenne\", \"Mayenne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Sarthe\", \"Sarthe\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Centre\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Eure-et-Loir\", \"Eure-et-Loir\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Loiret\", \"Loiret\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Loir-et-Cher\", \"Loir-et-Cher\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Indre-et-Loire\", \"Indre-et-Loire\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Indre\", \"Indre\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Cher\", \"Cher\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Ile-de-France\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Val-dOise\", \"Val-dOise\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Yvelines\", \"Yvelines\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Essonne\", \"Essonne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Seine-et-Marne\", \"Seine-et-Marne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Hauts-de-Seine\", \"Hauts-de-Seine\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Seine-Saint-Denis\", \"Seine-Saint-Denis\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Val-de-Marne\", \"Val-de-Marne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Paris\", \"Paris\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Champagnes-Ardennes\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Ardennes\", \"Ardennes\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Marne\", \"Marne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Aube\", \"Aube\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Marne\", \"Haute-Marne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Lorraine\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Vosges\", \"Vosges\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Meurthe-et-Moselle\", \"Meurthe-et-Moselle\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Meuse\", \"Meuse\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Moselle\", \"Moselle\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Alsace\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Bas-Rhin\", \"Bas-Rhin\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haut-Rhin\", \"Haut-Rhin\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Franche-Compte\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Jura\", \"Jura\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Doubs\", \"Doubs\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Saone\", \"Haute-Saone\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Territoire-de-Belfort\", \"Territoire-de-Belfort\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Bourgogne\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Yonne\", \"Yonne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Nievre\", \"Nievre\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Cote-dOr\", \"Cote-dOr\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Saone-et-Loire\", \"Saone-et-Loire\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Poitou-Charentes\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Deux-Sevres\", \"Deux-Sevres\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Charente-Maritime\", \"Charente-Maritime\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Charente\", \"Charente\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Vienne\", \"Vienne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Limousin\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Vienne\", \"Haute-Vienne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Correze\", \"Correze\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Creuse\", \"Creuse\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Auvergne\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Allier\", \"Allier\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Puy-de-Dome\", \"Puy-de-Dome\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Cantal\", \"Cantal\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Loire\", \"Haute-Loire\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Rhone-Alpes\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Loire\", \"Loire\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Rhone\", \"Rhone\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Ain\", \"Ain\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Ardeche\", \"Ardeche\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Drome\", \"Drome\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Isere\", \"Isere\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Savoie\", \"Savoie\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Savoie\", \"Haute-Savoie\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Aquitaine\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Gironde\", \"Gironde\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Landes\", \"Landes\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Pyrenees-Atlantiques\", \"Pyrenees-Atlantiques\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Lot-et-Garonne\", \"Lot-et-Garonne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Dordogne\", \"Dordogne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Midi-Pyrenees\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Lot\", \"Lot\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Tarn-et-Garonne\", \"Tarn-et-Garonne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Gers\", \"Gers\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Hautes-Pyrenees\", \"Hautes-Pyrenees\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Garonne\", \"Haute-Garonne\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Ariege\", \"Ariege\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Tarn\", \"Tarn\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Aveyron\", \"Aveyron\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Languedoc-Roussillon\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Pyrenees-Orientales\", \"Pyrenees-Orientales\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Aude\", \"Aude\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Herault\", \"Herault\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Gard\", \"Gard\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Lozere\", \"Lozere\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Provence-Alpes-Cote-dazur\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Bouches-du-Rhone\", \"Bouches-du-Rhone\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Vaucluse\", \"Vaucluse\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Alpes-de-haute-Provence\", \"Alpes-de-haute-Provence\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Hautes-Alpes\", \"Hautes-Alpes\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Var\", \"Var\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Alpes-Maritimes\", \"Alpes-Maritimes\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"Corse\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Corse-du-Sud\", \"Corse-du-Sud\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Haute-Corse\", \"Haute-Corse\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t\tcase \"DomTom\" :\r\n\t\t\tvar o=new Option(\"D\351partement\", \"aucun\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Guadeloupe\", \"Guadeloupe\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Guyane\", \"Guyane\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"La-Reunion\", \"La-Reunion\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Martinique\", \"Martinique\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"Mayotte\", \"Mayotte\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\t\tvar o=new Option(\"St-Pierre-et-Miquelon\", \"St-Pierre-et-Miquelon\");\r\n\t\t\tdocument.selection.departement.options[document.selection.departement.options.length]=o;\r\n\t\tbreak;\r\n\t}\r\n}\r\nfunction deptChange()\r\n{\r\nif (document.selection.departement.value == \'Paris\')\r\n\tdocument.getElementById(\'arrondissement\').style.display = \'inline\';\r\nelse\r\n\tdocument.getElementById(\'arrondissement\').style.display = \'none\';\r\n}\r\n</script>\r\n<table width=305 cellspacing=0 cellpadding=0 border=0>\r\n\t<tr>\r\n\t\t<td valign=top>\r\n\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=13><br>\r\n\t\t<table border=0 cellpadding=0 cellspacing=0 width=160>\r\n\t\t\t<tr>\r\n\t\t\t\t<td width=145><img src=\"http://www.01net.com/img/ban/Ban_v4_AnnuaiRev_MA.gif\" vspace=1></td>\r\n\t\t\t\t<td rowspan=2 width=15><img src=\"http://www.01net.com/img/dot.gif\" width=15 height=1></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr><form action=\"http://micro-achat.01net.com/annuaire/recherche.php\" method=\"post\" name=\"selection\">\r\n\t\t\t\t<td bgcolor=#FFFFDD>\r\n\t\t\t\t<div style=\"border:solid 1px #FFCC00;width:100%\"><div style=\"padding:2px;\"><img src=\"http://www.01net.com/img/v4/MA/carte_revend.gif\"><br>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b>Choisir une r\351gion</b><br></font>\r\n<select name=\"region\" onChange=\"regionChange()\" style=\"display : block; font-size:9px;font-variant:arial,helvetica,sans-serif;\">\r\n<option value=\"aucun\">-------------</option>\r\n<option value=\"Nord-Pas-de-Calais\">Nord-Pas-de-Calais</option>\r\n<option value=\"Haute-Normandie\">Haute-Normandie</option>\r\n<option value=\"Basse-Normandie\">Basse-Normandie</option>\r\n<option value=\"Picardie\">Picardie</option>\r\n<option value=\"Bretagne\">Bretagne</option>\r\n<option value=\"Pays-de-Loire\">Pays-de-Loire</option>\r\n<option value=\"Centre\">Centre</option>\r\n<option value=\"Ile-de-France\">Ile-de-France</option>\r\n<option value=\"Champagnes-Ardennes\">Champagne ardennes</option>\r\n<option value=\"Lorraine\">Lorraine</option>\r\n<option value=\"Alsace\">Alsace</option>\r\n<option value=\"Franche-Compte\">Franche-Compte</option>\r\n<option value=\"Bourgogne\">Bourgogne</option>\r\n<option value=\"Poitou-Charentes\">Poitou-Charentes</option>\r\n<option value=\"Limousin\">Limousin</option>\r\n<option value=\"Auvergne\">Auvergne</option>\r\n<option value=\"Rhone-Alpes\">Rhone-Alpes</option>\r\n<option value=\"Aquitaine\">Aquitaine</option>\r\n<option value=\"Midi-Pyrenees\">Midi-Pyrenees</option>\r\n<option value=\"Languedoc-Roussillon\">Languedoc roussillon</option>\r\n<option value=\"Provence-Alpes-Cote-dazur\">PACA</option>\r\n<option value=\"Corse\">Corse</option>\r\n<option value=\"DomTom\">DomTom</option>\r\n</select>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b>Un d\351partement</b><br></font>\r\n<select name=\"departement\" onChange=\"deptChange()\" style=\"display : block; font-size:9px;font-variant:arial,helvetica,sans-serif;\">\r\n<option value=\"aucun\">-------------</option>\r\n</select>\r\n<div id=\"arrondissement\" style=\"display : none;\">\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=5><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b>Un arrondissement</b><br></font>\r\n<select name=\"arrondissement\" style=\"display : block; font-size:9px;font-variant:arial,helvetica,sans-serif;\">\r\n<option value=\"0\">-------------</option>\r\n<option value=\"1\">I</option>\r\n<option value=\"2\">II</option>\r\n<option value=\"3\">III</option>\r\n<option value=\"4\">IV</option>\r\n<option value=\"5\">V</option>\r\n<option value=\"6\">VI</option>\r\n<option value=\"7\">VII</option>\r\n<option value=\"8\">VIII</option>\r\n<option value=\"9\">IX</option>\r\n<option value=\"10\">X</option>\r\n<option value=\"11\">XI</option>\r\n<option value=\"12\">XII</option>\r\n<option value=\"13\">XIII</option>\r\n<option value=\"14\">XIV</option>\r\n<option value=\"15\">XV</option>\r\n<option value=\"16\">XVI</option>\r\n<option value=\"17\">XVII</option>\r\n<option value=\"18\">XVIII</option>\r\n<option value=\"19\">XIX</option>\r\n<option value=\"20\">XX</option>\r\n</select>\r\n</div>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=10><br>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b>Recherche directe</b><br></font>\r\n\t\t\t\t<font face=\"Arial\" size=1 color=#000000 style=\"font-size: 10px; text-decoration:none;\"><img src=\"http://www.01net.com/img/dot.gif\" width=8 height=1>rechercher une ville<br><img src=\"http://www.01net.com/img/dot.gif\" width=8 height=1>et/ou une boutique<br></font>\r\n\t\t\t\t<input type=\"text\" name=\"recherchedirecte\" size=\"14\" style=\"display : block; font-size:9px;font-variant:arial,helvetica,sans-serif;width:130px;\" value=\"\" onFocus=\"javascript:document.selection.recherchedirecte.value=\'\'\"><br><img src=\"http://www.01net.com/img/dot.gif\" width=1 height=3><br>\r\n\t\t\t\t<img src=\"http://www.01net.com/img/dot.gif\" width=28 height=1>&nbsp;<input type=\"image\" src=\"http://www.01net.com/img/v4/MA/ok_bloc_recher_MA.gif\" border=\"0\">\r\n\t\t\t\t<table height=23 width=135 cellspacing=0 cellpadding=0 border=0 bgcolor=#FFEE77>\r\n\t\t\t\t\t<tr>\r\n\t\t\t\t\t\t<td bgcolor=#FFEE77 valign=middle align=center><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://micro-achat.01net.com/annuaire/\"><font face=\"Arial\" size=1 color=#CC0000 style=\"font-size: 11px; text-decoration:none;\"><b>Recherche avanc\351e</b></font></a></td>\r\n\t\t\t\t\t</tr>\r\n\t\t\t\t</table>\r\n\t\t\t\t</div>\r\n\t\t\t\t</div>\r\n\t\t\t\t</td>\r\n\t\t\t</tr></form>\r\n\t\t</table>\r\n\t\t</td>\r\n<!-- DEBUT MicroAchat MA_Telecharg //-->\r\n<td valign=top>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=13><br>\r\n<table width=\"145\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/v4/MA/Ban_v4_MA_telec.gif\"></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t<td>\r\n\t\t<table width=\"145\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" bgcolor=\"#DFECF6\">\r\n\t\t\t<tr>\r\n\t\t\t\t<td rowspan=\"17\"><img src=\"http://www.01net.com/img/dot.gif\" width=\"6\"></td>\r\n\t\t\t\t<td><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"></td>\r\n\t\t\t\t<td rowspan=\"17\"><img src=\"http://www.01net.com/img/dot.gif\" width=\"6\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Bureautique\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Bureautique</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Traducteur, organiseur...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Multimedia\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Multim\351dia</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Photo, audio, vid\351o...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Utilitaire\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Utilitaires</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Antivirus, pilotes, gravure...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Personnaliser\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Personnaliser son PC</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Ecrans de veille, th\350mes...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Programmation\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>D\351veloppement</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Cr\351ation de logiciels, BDD...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Jeux\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Jeux</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Action, simulation...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Internet\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Internet</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Utilitaires, email, FTP...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br><img src=\"http://www.01net.com/img/v4/flechefine_fondtransp.gif\"><a href=\"http://telecharger.01net.com/windows/Loisirs\" class=\"nodeco\"><font face=\"Arial,Helvetica\" size=\"2\" color=\"#124478\" style=\"font-size: 12px;\"><b>Loisirs</b></a><br></font>\r\n\t\t\t\t<font face=\"Arial,Helvetica\" size=\"2\" color=\"#000000\" style=\"font-size: 10px;\">Humour, culture...<br></font><img src=\"http://www.01net.com/img/dot.gif\" height=\"3\"><br>\r\n\t\t\t\t</td>\r\n\t\t\t</tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td background=\"http://www.01net.com/img/v4/MA/v4-sep-blue-mha.gif\"><img src=\"http://www.01net.com/img/dot.gif\" height=\"1\"></td>\r\n\t\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t</tr>\r\n</table>\r\n</td>\r\n<!-- FIN MicroAchat MA_Telecharg //-->  \t</tr>\r\n</table>\r\n</td>\r\n<!-- FIN MicroAchat MA_AnnTelec --> <!-- - ZONE M2 -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- + ZONE M3 -->\r\n<!-- - ZONE M3 -->\r\n<!-- + ZONE M4 -->\r\n<!-- - ZONE M4 -->\r\n<!-- + ZONE M5 -->\r\n<!-- - ZONE M5 -->\r\n<!-- -ZONE_Mn -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table border=0 cellpadding=0 cellspacing=0 width=*>\r\n\t\t<tr>\r\n<!-- +ZONE_tn -->\r\n<!-- + ZONE t0 -->\r\n<!-- - ZONE t0 -->\r\n<!-- + ZONE t1 -->\r\n<!-- - ZONE t1 -->\r\n<!-- + ZONE t2 -->\r\n<!-- - ZONE t2 -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t<table width=100% cellspacing=0 cellpadding=0 border=0>\r\n\t\t<tr>\r\n<!-- + ZONE t3 -->\r\n<!-- - ZONE t3 -->\r\n<!-- + ZONE t4 -->\r\n<!-- - ZONE t4 -->\r\n<!-- + ZONE t5 -->\r\n<!-- - ZONE t5 -->\r\n<!-- -ZONE_tn -->\r\n\t\t</tr>\r\n\t\t</table>\r\n\t\t</td>\r\n\t\t<td valign=top>\r\n\t\t<table border=0 cellpadding=0 cellspacing=0 width=*>\r\n\t\t<tr>\r\n<!-- +ZONE_dn -->\r\n<!-- + ZONE d0 -->\r\n<!-- - ZONE d0 -->\r\n<!-- + ZONE d1 -->\r\n<!-- - ZONE d1 -->\r\n<!-- + ZONE d2 -->\r\n<!-- - ZONE d2 -->\r\n<!-- + ZONE d3 -->\r\n<!-- - ZONE d3 -->\r\n<!-- + ZONE d4 -->\r\n<!-- - ZONE d4 -->\r\n<!-- + ZONE d5 -->\r\n<!-- - ZONE d5 -->\r\n<!-- + ZONE d6 -->\r\n<!-- - ZONE d6 -->\r\n<!-- + ZONE d7 -->\r\n<!-- - ZONE d7 -->\r\n<!-- + ZONE d8 -->\r\n<!-- - ZONE d8 -->\r\n<!-- + ZONE d9 -->\r\n<!-- - ZONE d9 -->\r\n<!-- -ZONE_dn -->\r\n\t\t\t\t</tr>\r\n\t\t\t</table>\r\n\t\t\t</td>\r\n\t\t</tr>\r\n\t\t</table>\r\n<!-- FIN WORK -->\r\n\t\t</td>\r\n<!-- *********************************************************************FIN VENTRE********************************************************************************************************************************************** //-->\r\n\t\t<td rowspan=2 valign=top width=23 background=\"http://www.01net.com/img/v4/sep_verticale.gif\"><img src=\"http://www.01net.com/img/dot.gif\" width=23 height=1><br></td>\r\n\t</tr>\r\n\t<tr>\r\n\t\t\t<td colspan=2>\r\n\t\t\t<table border=0 cellpadding=0 cellspacing=0 width=100%>\r\n<!-- +ZONE_Bn -->\r\n<!-- + ZONE B0 -->\r\n<!-- - ZONE B0 -->\r\n<!-- + ZONE B1 -->\r\n<tr><!-- ********** DEBUT BLOC Home NosJournauxV4 //-->\r\n<td valign=top bgcolor=#FFFFFF>\r\n<img src=\"http://www.01net.com/img/ban/Ban_v4_jx.gif\"><br>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=1 height=15><br>\r\n<img src=\"http://www.01net.com/img/dot.gif\" width=15 height=1>\r\n<a href=\"http://www.01net.com/rubrique/3339.html\"><img src=\"http://www.01net.com/img/journaux/01I-small.gif\" border=0 vspace=0 hspace=12 align=top></a>\r\n<a href=\"http://www.01net.com/rubrique/4051.html\"><img src=\"http://www.01net.com/img/journaux/DSI-small.gif\" border=0 vspace=0 hspace=12 align=top></a>\r\n<a href=\"http://www.01net.com/rubrique/3345.html\"><img src=\"http://www.01net.com/img/journaux/DIN-small.gif
\ No newline at end of file
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@@ -0,0 +1,7518 @@
+
+
+The Project Gutenberg Etext of LOC WORKSHOP ON ELECTRONIC TEXTS
+
+
+
+
+                      WORKSHOP ON ELECTRONIC TEXTS
+
+                               PROCEEDINGS
+
+
+
+                          Edited by James Daly
+
+
+
+
+
+
+
+                             9-10 June 1992
+
+
+                           Library of Congress
+                            Washington, D.C.
+
+
+
+    Supported by a Grant from the David and Lucile Packard Foundation
+
+
+               ***   ***   ***   ******   ***   ***   ***
+
+
+                            TABLE OF CONTENTS
+
+
+Acknowledgements
+
+Introduction
+
+Proceedings
+   Welcome
+      Prosser Gifford and Carl Fleischhauer
+
+   Session I.  Content in a New Form:  Who Will Use It and What Will They Do?
+      James Daly (Moderator)
+      Avra Michelson, Overview
+      Susan H. Veccia, User Evaluation
+      Joanne Freeman, Beyond the Scholar
+         Discussion
+
+   Session II.  Show and Tell
+      Jacqueline Hess (Moderator)
+      Elli Mylonas, Perseus Project
+         Discussion
+      Eric M. Calaluca, Patrologia Latina Database
+      Carl Fleischhauer and Ricky Erway, American Memory
+         Discussion
+      Dorothy Twohig, The Papers of George Washington
+         Discussion
+      Maria L. Lebron, The Online Journal of Current Clinical Trials
+         Discussion
+      Lynne K. Personius, Cornell mathematics books
+         Discussion
+
+   Session III.  Distribution, Networks, and Networking:
+                 Options for Dissemination
+      Robert G. Zich (Moderator)
+      Clifford A. Lynch
+         Discussion
+      Howard Besser
+         Discussion
+      Ronald L. Larsen
+      Edwin B. Brownrigg
+         Discussion
+
+   Session IV.  Image Capture, Text Capture, Overview of Text and
+                Image Storage Formats
+         William L. Hooton (Moderator)
+      A) Principal Methods for Image Capture of Text:
+            direct scanning, use of microform
+         Anne R. Kenney
+         Pamela Q.J. Andre
+         Judith A. Zidar
+         Donald J. Waters
+            Discussion
+      B) Special Problems:  bound volumes, conservation,
+                            reproducing printed halftones
+         George Thoma
+         Carl Fleischhauer
+            Discussion
+      C) Image Standards and Implications for Preservation
+         Jean Baronas
+         Patricia Battin
+            Discussion
+      D) Text Conversion:  OCR vs. rekeying, standards of accuracy
+                           and use of imperfect texts, service bureaus
+         Michael Lesk
+         Ricky Erway
+         Judith A. Zidar
+            Discussion
+
+   Session V.  Approaches to Preparing Electronic Texts
+      Susan Hockey (Moderator)
+      Stuart Weibel
+         Discussion
+      C.M. Sperberg-McQueen
+         Discussion
+      Eric M. Calaluca
+         Discussion
+
+   Session VI.  Copyright Issues
+      Marybeth Peters
+
+   Session VII.  Conclusion
+      Prosser Gifford (Moderator)
+      General discussion
+
+Appendix I:  Program
+
+Appendix II:  Abstracts
+
+Appendix III:  Directory of Participants
+
+
+               ***   ***   ***   ******   ***   ***   ***
+
+
+                            Acknowledgements
+
+I would like to thank Carl Fleischhauer and Prosser Gifford for the
+opportunity to learn about areas of human activity unknown to me a scant
+ten months ago, and the David and Lucile Packard Foundation for
+supporting that opportunity.  The help given by others is acknowledged on
+a separate page.
+
+                                                          19 October 1992
+
+
+               ***   ***   ***   ******   ***   ***   ***
+
+
+                              INTRODUCTION
+
+The Workshop on Electronic Texts (1) drew together representatives of
+various projects and interest groups to compare ideas, beliefs,
+experiences, and, in particular, methods of placing and presenting
+historical textual materials in computerized form.  Most attendees gained
+much in insight and outlook from the event.  But the assembly did not
+form a new nation, or, to put it another way, the diversity of projects
+and interests was too great to draw the representatives into a cohesive,
+action-oriented body.(2)
+
+Everyone attending the Workshop shared an interest in preserving and
+providing access to historical texts.  But within this broad field the
+attendees represented a variety of formal, informal, figurative, and
+literal groups, with many individuals belonging to more than one.  These
+groups may be defined roughly according to the following topics or
+activities:
+
+* Imaging
+* Searchable coded texts
+* National and international computer networks
+* CD-ROM production and dissemination
+* Methods and technology for converting older paper materials into
+electronic form
+* Study of the use of digital materials by scholars and others
+
+This summary is arranged thematically and does not follow the actual
+sequence of presentations.
+
+NOTES:
+     (1)  In this document, the phrase electronic text is used to mean
+     any computerized reproduction or version of a document, book,
+     article, or manuscript (including images), and not merely a machine-
+     readable or machine-searchable text.
+
+     (2)  The Workshop was held at the Library of Congress on 9-10 June
+     1992, with funding from the David and Lucile Packard Foundation.
+     The document that follows represents a summary of the presentations
+     made at the Workshop and was compiled by James DALY.  This
+     introduction was written by DALY and Carl FLEISCHHAUER.
+
+
+PRESERVATION AND IMAGING
+
+Preservation, as that term is used by archivists,(3) was most explicitly
+discussed in the context of imaging.  Anne KENNEY and Lynne PERSONIUS
+explained how the concept of a faithful copy and the user-friendliness of
+the traditional book have guided their project at Cornell University.(4)
+Although interested in computerized dissemination, participants in the
+Cornell project are creating digital image sets of older books in the
+public domain as a source for a fresh paper facsimile or, in a future
+phase, microfilm.  The books returned to the library shelves are
+high-quality and useful replacements on acid-free paper that should last
+a long time.  To date, the Cornell project has placed little or no
+emphasis on creating searchable texts; one would not be surprised to find
+that the project participants view such texts as new editions, and thus
+not as faithful reproductions.
+
+In her talk on preservation, Patricia BATTIN struck an ecumenical and
+flexible note as she endorsed the creation and dissemination of a variety
+of types of digital copies.  Do not be too narrow in defining what counts
+as a preservation element, BATTIN counseled; for the present, at least,
+digital copies made with preservation in mind cannot be as narrowly
+standardized as, say, microfilm copies with the same objective.  Setting
+standards precipitously can inhibit creativity, but delay can result in
+chaos, she advised.
+
+In part, BATTIN's position reflected the unsettled nature of image-format
+standards, and attendees could hear echoes of this unsettledness in the
+comments of various speakers.  For example, Jean BARONAS reviewed the
+status of several formal standards moving through committees of experts;
+and Clifford LYNCH encouraged the use of a new guideline for transmitting
+document images on Internet.  Testimony from participants in the National
+Agricultural Library's (NAL) Text Digitization Program and LC's American
+Memory project highlighted some of the challenges to the actual creation
+or interchange of images, including difficulties in converting
+preservation microfilm to digital form.  Donald WATERS reported on the
+progress of a master plan for a project at Yale University to convert
+books on microfilm to digital image sets, Project Open Book (POB).
+
+The Workshop offered rather less of an imaging practicum than planned,
+but "how-to" hints emerge at various points, for example, throughout
+KENNEY's presentation and in the discussion of arcana such as
+thresholding and dithering offered by George THOMA and FLEISCHHAUER.
+
+NOTES:
+     (3)  Although there is a sense in which any reproductions of
+     historical materials preserve the human record, specialists in the
+     field have developed particular guidelines for the creation of
+     acceptable preservation copies.
+
+     (4)  Titles and affiliations of presenters are given at the
+     beginning of their respective talks and in the Directory of
+     Participants (Appendix III).
+
+
+THE MACHINE-READABLE TEXT:  MARKUP AND USE
+
+The sections of the Workshop that dealt with machine-readable text tended
+to be more concerned with access and use than with preservation, at least
+in the narrow technical sense.  Michael SPERBERG-McQUEEN made a forceful
+presentation on the Text Encoding Initiative's (TEI) implementation of
+the Standard Generalized Markup Language (SGML).  His ideas were echoed
+by Susan HOCKEY, Elli MYLONAS, and Stuart WEIBEL.  While the
+presentations made by the TEI advocates contained no practicum, their
+discussion focused on the value of the finished product, what the
+European Community calls reusability, but what may also be termed
+durability.  They argued that marking up--that is, coding--a text in a
+well-conceived way will permit it to be moved from one computer
+environment to another, as well as to be used by various users.  Two
+kinds of markup were distinguished:  1) procedural markup, which
+describes the features of a text (e.g., dots on a page), and 2)
+descriptive markup, which describes the structure or elements of a
+document (e.g., chapters, paragraphs, and front matter).
+
+The TEI proponents emphasized the importance of texts to scholarship.
+They explained how heavily coded (and thus analyzed and annotated) texts
+can underlie research, play a role in scholarly communication, and
+facilitate classroom teaching.  SPERBERG-McQUEEN reminded listeners that
+a written or printed item (e.g., a particular edition of a book) is
+merely a representation of the abstraction we call a text.  To concern
+ourselves with faithfully reproducing a printed instance of the text,
+SPERBERG-McQUEEN argued, is to concern ourselves with the representation
+of a representation ("images as simulacra for the text").  The TEI proponents'
+interest in images tends to focus on corollary materials for use in teaching,
+for example, photographs of the Acropolis to accompany a Greek text.
+
+By the end of the Workshop, SPERBERG-McQUEEN confessed to having been
+converted to a limited extent to the view that electronic images
+constitute a promising alternative to microfilming; indeed, an
+alternative probably superior to microfilming.  But he was not convinced
+that electronic images constitute a serious attempt to represent text in
+electronic form.  HOCKEY and MYLONAS also conceded that their experience
+at the Pierce Symposium the previous week at Georgetown University and
+the present conference at the Library of Congress had compelled them to
+reevaluate their perspective on the usefulness of text as images.
+Attendees could see that the text and image advocates were in
+constructive tension, so to say.
+
+Three nonTEI presentations described approaches to preparing
+machine-readable text that are less rigorous and thus less expensive.  In
+the case of the Papers of George Washington, Dorothy TWOHIG explained
+that the digital version will provide a not-quite-perfect rendering of
+the transcribed text--some 135,000 documents, available for research
+during the decades while the perfect or print version is completed.
+Members of the American Memory team and the staff of NAL's Text
+Digitization Program (see below) also outlined a middle ground concerning
+searchable texts.  In the case of American Memory, contractors produce
+texts with about 99-percent accuracy that serve as "browse" or
+"reference" versions of written or printed originals.  End users who need
+faithful copies or perfect renditions must refer to accompanying sets of
+digital facsimile images or consult copies of the originals in a nearby
+library or archive.  American Memory staff argued that the high cost of
+producing 100-percent accurate copies would prevent LC from offering
+access to large parts of its collections.
+
+
+THE MACHINE-READABLE TEXT:  METHODS OF CONVERSION
+
+Although the Workshop did not include a systematic examination of the
+methods for converting texts from paper (or from facsimile images) into
+machine-readable form, nevertheless, various speakers touched upon this
+matter.  For example, WEIBEL reported that OCLC has experimented with a
+merging of multiple optical character recognition systems that will
+reduce errors from an unacceptable rate of 5 characters out of every
+l,000 to an unacceptable rate of 2 characters out of every l,000.
+
+Pamela ANDRE presented an overview of NAL's Text Digitization Program and
+Judith ZIDAR discussed the technical details.  ZIDAR explained how NAL
+purchased hardware and software capable of performing optical character
+recognition (OCR) and text conversion and used its own staff to convert
+texts.  The process, ZIDAR said, required extensive editing and project
+staff found themselves considering alternatives, including rekeying
+and/or creating abstracts or summaries of texts.  NAL reckoned costs at
+$7 per page.  By way of contrast, Ricky ERWAY explained that American
+Memory had decided from the start to contract out conversion to external
+service bureaus.  The criteria used to select these contractors were cost
+and quality of results, as opposed to methods of conversion.  ERWAY noted
+that historical documents or books often do not lend themselves to OCR.
+Bound materials represent a special problem.  In her experience, quality
+control--inspecting incoming materials, counting errors in samples--posed
+the most time-consuming aspect of contracting out conversion.  ERWAY
+reckoned American Memory's costs at $4 per page, but cautioned that fewer
+cost-elements had been included than in NAL's figure.
+
+
+OPTIONS FOR DISSEMINATION
+
+The topic of dissemination proper emerged at various points during the
+Workshop.  At the session devoted to national and international computer
+networks, LYNCH, Howard BESSER, Ronald LARSEN, and Edwin BROWNRIGG
+highlighted the virtues of Internet today and of the network that will
+evolve from Internet.  Listeners could discern in these narratives a
+vision of an information democracy in which millions of citizens freely
+find and use what they need.  LYNCH noted that a lack of standards
+inhibits disseminating multimedia on the network, a topic also discussed
+by BESSER.  LARSEN addressed the issues of network scalability and
+modularity and commented upon the difficulty of anticipating the effects
+of growth in orders of magnitude.  BROWNRIGG talked about the ability of
+packet radio to provide certain links in a network without the need for
+wiring.  However, the presenters also called attention to the
+shortcomings and incongruities of present-day computer networks.  For
+example:  1) Network use is growing dramatically, but much network
+traffic consists of personal communication (E-mail).  2) Large bodies of
+information are available, but a user's ability to search across their
+entirety is limited.  3) There are significant resources for science and
+technology, but few network sources provide content in the humanities.
+4) Machine-readable texts are commonplace, but the capability of the
+system to deal with images (let alone other media formats) lags behind.
+A glimpse of a multimedia future for networks, however, was provided by
+Maria LEBRON in her overview of the Online Journal of Current Clinical
+Trials (OJCCT), and the process of scholarly publishing on-line.
+
+The contrasting form of the CD-ROM disk was never systematically
+analyzed, but attendees could glean an impression from several of the
+show-and-tell presentations.  The Perseus and American Memory examples
+demonstrated recently published disks, while the descriptions of the
+IBYCUS version of the Papers of George Washington and Chadwyck-Healey's
+Patrologia Latina Database (PLD) told of disks to come.  According to
+Eric CALALUCA, PLD's principal focus has been on converting Jacques-Paul
+Migne's definitive collection of Latin texts to machine-readable form.
+Although everyone could share the network advocates' enthusiasm for an
+on-line future, the possibility of rolling up one's sleeves for a session
+with a CD-ROM containing both textual materials and a powerful retrieval
+engine made the disk seem an appealing vessel indeed.  The overall
+discussion suggested that the transition from CD-ROM to on-line networked
+access may prove far slower and more difficult than has been anticipated.
+
+
+WHO ARE THE USERS AND WHAT DO THEY DO?
+
+Although concerned with the technicalities of production, the Workshop
+never lost sight of the purposes and uses of electronic versions of
+textual materials.  As noted above, those interested in imaging discussed
+the problematical matter of digital preservation, while the TEI proponents
+described how machine-readable texts can be used in research.  This latter
+topic received thorough treatment in the paper read by Avra MICHELSON.
+She placed the phenomenon of electronic texts within the context of
+broader trends in information technology and scholarly communication.
+
+Among other things, MICHELSON described on-line conferences that
+represent a vigorous and important intellectual forum for certain
+disciplines.  Internet now carries more than 700 conferences, with about
+80 percent of these devoted to topics in the social sciences and the
+humanities.  Other scholars use on-line networks for "distance learning."
+Meanwhile, there has been a tremendous growth in end-user computing;
+professors today are less likely than their predecessors to ask the
+campus computer center to process their data.  Electronic texts are one
+key to these sophisticated applications, MICHELSON reported, and more and
+more scholars in the humanities now work in an on-line environment.
+Toward the end of the Workshop, Michael LESK presented a corollary to
+MICHELSON's talk, reporting the results of an experiment that compared
+the work of one group of chemistry students using traditional printed
+texts and two groups using electronic sources.  The experiment
+demonstrated that in the event one does not know what to read, one needs
+the electronic systems; the electronic systems hold no advantage at the
+moment if one knows what to read, but neither do they impose a penalty.
+
+DALY provided an anecdotal account of the revolutionizing impact of the
+new technology on his previous methods of research in the field of classics.
+His account, by extrapolation, served to illustrate in part the arguments
+made by MICHELSON concerning the positive effects of the sudden and radical
+transformation being wrought in the ways scholars work.
+
+Susan VECCIA and Joanne FREEMAN delineated the use of electronic
+materials outside the university.  The most interesting aspect of their
+use, FREEMAN said, could be seen as a paradox:  teachers in elementary
+and secondary schools requested access to primary source materials but,
+at the same time, found that "primariness" itself made these materials
+difficult for their students to use.
+
+
+OTHER TOPICS
+
+Marybeth PETERS reviewed copyright law in the United States and offered
+advice during a lively discussion of this subject.  But uncertainty
+remains concerning the price of copyright in a digital medium, because a
+solution remains to be worked out concerning management and synthesis of
+copyrighted and out-of-copyright pieces of a database.
+
+As moderator of the final session of the Workshop, Prosser GIFFORD directed
+discussion to future courses of action and the potential role of LC in
+advancing them.  Among the recommendations that emerged were the following:
+
+     * Workshop participants should 1) begin to think about working
+     with image material, but structure and digitize it in such a
+     way that at a later stage it can be interpreted into text, and
+     2) find a common way to build text and images together so that
+     they can be used jointly at some stage in the future, with
+     appropriate network support, because that is how users will want
+     to access these materials.  The Library might encourage attempts
+     to bring together people who are working on texts and images.
+
+     * A network version of American Memory should be developed or
+     consideration should be given to making the data in it
+     available to people interested in doing network multimedia.
+     Given the current dearth of digital data that is appealing and
+     unencumbered by extremely complex rights problems, developing a
+     network version of American Memory could do much to help make
+     network multimedia a reality.
+
+     * Concerning the thorny issue of electronic deposit, LC should
+     initiate a catalytic process in terms of distributed
+     responsibility, that is, bring together the distributed
+     organizations and set up a study group to look at all the
+     issues related to electronic deposit and see where we as a
+     nation should move.  For example, LC might attempt to persuade
+     one major library in each state to deal with its state
+     equivalent publisher, which might produce a cooperative project
+     that would be equitably distributed around the country, and one
+     in which LC would be dealing with a minimal number of publishers
+     and minimal copyright problems.  LC must also deal with the
+     concept of on-line publishing, determining, among other things,
+     how serials such as OJCCT might be deposited for copyright.
+
+     * Since a number of projects are planning to carry out
+     preservation by creating digital images that will end up in
+     on-line or near-line storage at some institution, LC might play
+     a helpful role, at least in the near term, by accelerating how
+     to catalog that information into the Research Library Information
+     Network (RLIN) and then into OCLC, so that it would be accessible.
+     This would reduce the possibility of multiple institutions digitizing
+     the same work.
+
+
+CONCLUSION
+
+The Workshop was valuable because it brought together partisans from
+various groups and provided an occasion to compare goals and methods.
+The more committed partisans frequently communicate with others in their
+groups, but less often across group boundaries.  The Workshop was also
+valuable to attendees--including those involved with American Memory--who
+came less committed to particular approaches or concepts.  These
+attendees learned a great deal, and plan to select and employ elements of
+imaging, text-coding, and networked distribution that suit their
+respective projects and purposes.
+
+Still, reality rears its ugly head:  no breakthrough has been achieved.
+On the imaging side, one confronts a proliferation of competing
+data-interchange standards and a lack of consensus on the role of digital
+facsimiles in preservation.  In the realm of machine-readable texts, one
+encounters a reasonably mature standard but methodological difficulties
+and high costs.  These latter problems, of course, represent a special
+impediment to the desire, as it is sometimes expressed in the popular
+press, "to put the [contents of the] Library of Congress on line."  In
+the words of one participant, there was "no solution to the economic
+problems--the projects that are out there are surviving, but it is going
+to be a lot of work to transform the information industry, and so far the
+investment to do that is not forthcoming" (LESK, per litteras).
+
+
+               ***   ***   ***   ******   ***   ***   ***
+
+
+                               PROCEEDINGS
+
+
+WELCOME
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+GIFFORD * Origin of Workshop in current Librarian's desire to make LC's
+collections more widely available * Desiderata arising from the prospect
+of greater interconnectedness *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+After welcoming participants on behalf of the Library of Congress,
+American Memory (AM), and the National Demonstration Lab, Prosser
+GIFFORD, director for scholarly programs, Library of Congress, located
+the origin of the Workshop on Electronic Texts in a conversation he had
+had considerably more than a year ago with Carl FLEISCHHAUER concerning
+some of the issues faced by AM.  On the assumption that numerous other
+people were asking the same questions, the decision was made to bring
+together as many of these people as possible to ask the same questions
+together.  In a deeper sense, GIFFORD said, the origin of the Workshop
+lay in the desire of the current Librarian of Congress, James H.
+Billington, to make the collections of the Library, especially those
+offering unique or unusual testimony on aspects of the American
+experience, available to a much wider circle of users than those few
+people who can come to Washington to use them.  This meant that the
+emphasis of AM, from the outset, has been on archival collections of the
+basic material, and on making these collections themselves available,
+rather than selected or heavily edited products.
+
+From AM's emphasis followed the questions with which the Workshop began:
+who will use these materials, and in what form will they wish to use
+them.  But an even larger issue deserving mention, in GIFFORD's view, was
+the phenomenal growth in Internet connectivity.  He expressed the hope
+that the prospect of greater interconnectedness than ever before would
+lead to:  1) much more cooperative and mutually supportive endeavors; 2)
+development of systems of shared and distributed responsibilities to
+avoid duplication and to ensure accuracy and preservation of unique
+materials; and 3) agreement on the necessary standards and development of
+the appropriate directories and indices to make navigation
+straightforward among the varied resources that are, and increasingly
+will be, available.  In this connection, GIFFORD requested that
+participants reflect from the outset upon the sorts of outcomes they
+thought the Workshop might have.  Did those present constitute a group
+with sufficient common interests to propose a next step or next steps,
+and if so, what might those be?  They would return to these questions the
+following afternoon.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+FLEISCHHAUER * Core of Workshop concerns preparation and production of
+materials * Special challenge in conversion of textual materials *
+Quality versus quantity * Do the several groups represented share common
+interests? *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Carl FLEISCHHAUER, coordinator, American Memory, Library of Congress,
+emphasized that he would attempt to represent the people who perform some
+of the work of converting or preparing  materials and that the core of
+the Workshop had to do with preparation and production.  FLEISCHHAUER
+then drew a distinction between the long term, when many things would be
+available and connected in the ways that GIFFORD described, and the short
+term, in which AM not only has wrestled with the issue of what is the
+best course to pursue but also has faced a variety of technical
+challenges.
+
+FLEISCHHAUER remarked AM's endeavors to deal with a wide range of library
+formats, such as motion picture collections, sound-recording collections,
+and pictorial collections of various sorts, especially collections of
+photographs.  In the course of these efforts, AM kept coming back to
+textual materials--manuscripts or rare printed matter, bound materials,
+etc.  Text posed the greatest conversion challenge of all.  Thus, the
+genesis of the Workshop, which reflects the problems faced by AM.  These
+problems include physical problems.  For example, those in the library
+and archive business deal with collections made up of fragile and rare
+manuscript items, bound materials, especially the notoriously brittle
+bound materials of the late nineteenth century.  These are precious
+cultural artifacts, however, as well as interesting sources of
+information, and LC desires to retain and conserve them.  AM needs to
+handle things without damaging them.  Guillotining a book to run it
+through a sheet feeder must be avoided at all costs.
+
+Beyond physical problems, issues pertaining to quality arose.  For
+example, the desire to provide users with a searchable text is affected
+by the question of acceptable level of accuracy.  One hundred percent
+accuracy is tremendously expensive.  On the other hand, the output of
+optical character recognition (OCR) can be tremendously inaccurate.
+Although AM has attempted to find a middle ground, uncertainty persists
+as to whether or not it has discovered the right solution.
+
+Questions of quality arose concerning images as well.  FLEISCHHAUER
+contrasted the extremely high level of quality of the digital images in
+the Cornell Xerox Project with AM's efforts to provide a browse-quality
+or access-quality image, as opposed to an archival or preservation image.
+FLEISCHHAUER therefore welcomed the opportunity to compare notes.
+
+FLEISCHHAUER observed in passing that conversations he had had about
+networks have begun to signal that for various forms of media a
+determination may be made that there is a browse-quality item, or a
+distribution-and-access-quality item that may coexist in some systems
+with a higher quality archival item that would be inconvenient to send
+through the network because of its size.  FLEISCHHAUER referred, of
+course, to images more than to searchable text.
+
+As AM considered those questions, several conceptual issues arose:  ought
+AM occasionally to reproduce materials entirely through an image set, at
+other times, entirely through a text set, and in some cases, a mix?
+There probably would be times when the historical authenticity of an
+artifact would require that its image be used.  An image might be
+desirable as a recourse for users if one could not provide 100-percent
+accurate text.  Again, AM wondered, as a practical matter, if a
+distinction could be drawn between rare printed matter that might exist
+in multiple collections--that is, in ten or fifteen libraries.  In such
+cases, the need for perfect reproduction would be less than for unique
+items.  Implicit in his remarks, FLEISCHHAUER conceded, was the admission
+that AM has been tilting strongly towards quantity and drawing back a
+little from perfect quality.  That is, it seemed to AM that society would
+be better served if more things were distributed by LC--even if they were
+not quite perfect--than if fewer things, perfectly represented, were
+distributed.  This was stated as a proposition to be tested, with
+responses to be gathered from users.
+
+In thinking about issues related to reproduction of materials and seeing
+other people engaged in parallel activities, AM deemed it useful to
+convene a conference.  Hence, the Workshop.  FLEISCHHAUER thereupon
+surveyed the several groups represented:  1) the world of images (image
+users and image makers); 2) the world of text and scholarship and, within
+this group, those concerned with language--FLEISCHHAUER confessed to finding
+delightful irony in the fact that some of the most advanced thinkers on
+computerized texts are those dealing with ancient Greek and Roman materials;
+3) the network world; and 4) the general world of library science, which
+includes people interested in preservation and cataloging.
+
+FLEISCHHAUER concluded his remarks with special thanks to the David and
+Lucile Packard Foundation for its support of the meeting, the American
+Memory group, the Office for Scholarly Programs, the National
+Demonstration Lab, and the Office of Special Events.  He expressed the
+hope that David Woodley Packard might be able to attend, noting that
+Packard's work and the work of the foundation had sponsored a number of
+projects in the text area.
+
+                                 ******
+
+SESSION I.  CONTENT IN A NEW FORM:   WHO WILL USE IT AND WHAT WILL THEY DO?
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+DALY * Acknowledgements * A new Latin authors disk *  Effects of the new
+technology on previous methods of research *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Serving as moderator, James DALY acknowledged the generosity of all the
+presenters for giving of their time, counsel, and patience in planning
+the Workshop, as well as of members of the American Memory project and
+other Library of Congress staff, and the David and Lucile Packard
+Foundation and its executive director, Colburn S. Wilbur.
+
+DALY then recounted his visit in March to the Center for Electronic Texts
+in the Humanities (CETH) and the Department of Classics at Rutgers
+University, where an old friend, Lowell Edmunds, introduced him to the
+department's IBYCUS scholarly personal computer, and, in particular, the
+new Latin CD-ROM, containing, among other things, almost all classical
+Latin literary texts through A.D. 200.  Packard Humanities Institute
+(PHI), Los Altos, California, released this disk late in 1991, with a
+nominal triennial licensing fee.
+
+Playing with the disk for an hour or so at Rutgers brought home to DALY
+at once the revolutionizing impact of the new technology on his previous
+methods of research.  Had this disk been available two or three years
+earlier, DALY contended, when he was engaged in preparing a commentary on
+Book 10 of Virgil's Aeneid for Cambridge University Press, he would not
+have required a forty-eight-square-foot table on which to spread the
+numerous, most frequently consulted items, including some ten or twelve
+concordances to key Latin authors, an almost equal number of lexica to
+authors who lacked concordances, and where either lexica or concordances
+were lacking, numerous editions of authors antedating and postdating Virgil.
+
+Nor, when checking each of the average six to seven words contained in
+the Virgilian hexameter for its usage elsewhere in Virgil's works or
+other Latin authors, would DALY have had to maintain the laborious
+mechanical process of flipping through these concordances, lexica, and
+editions each time.  Nor would he have had to frequent as often the
+Milton S. Eisenhower Library at the Johns Hopkins University to consult
+the Thesaurus Linguae Latinae.  Instead of devoting countless hours, or
+the bulk of his research time, to gathering data concerning Virgil's use
+of words, DALY--now freed by PHI's Latin authors disk from the
+tyrannical, yet in some ways paradoxically happy scholarly drudgery--
+would have been able to devote that same bulk of time to analyzing and
+interpreting Virgilian verbal usage.
+
+Citing Theodore Brunner, Gregory Crane, Elli MYLONAS, and Avra MICHELSON,
+DALY argued that this reversal in his style of work, made possible by the
+new technology, would perhaps have resulted in better, more productive
+research.  Indeed, even in the course of his browsing the Latin authors
+disk at Rutgers, its powerful search, retrieval, and highlighting
+capabilities suggested to him several new avenues of research into
+Virgil's use of sound effects.  This anecdotal account, DALY maintained,
+may serve to illustrate in part the sudden and radical transformation
+being wrought in the ways scholars work.
+
+                                 ******
+
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+MICHELSON * Elements related to scholarship and technology * Electronic
+texts within the context of broader trends within information technology
+and scholarly communication * Evaluation of the prospects for the use of
+electronic texts * Relationship of electronic texts to processes of
+scholarly communication in humanities research * New exchange formats
+created by scholars * Projects initiated to increase scholarly access to
+converted text * Trend toward making electronic resources available
+through research and education networks * Changes taking place in
+scholarly communication among humanities scholars * Network-mediated
+scholarship transforming traditional scholarly practices * Key
+information technology trends affecting the conduct of scholarly
+communication over the next decade * The trend toward end-user computing
+* The trend toward greater connectivity * Effects of these trends * Key
+transformations taking place * Summary of principal arguments *
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Avra MICHELSON, Archival Research and Evaluation Staff, National Archives
+and Records Administration (NARA), argued that establishing who will use
+electronic texts and what they will use them for involves a consideration
+of both information technology and scholarship trends.  This
+consideration includes several elements related to scholarship and
+technology:  1) the key trends in information technology that are most
+relevant to scholarship; 2) the key trends in the use of currently
+available technology by scholars in the nonscientific community; and 3)
+the relationship between these two very distinct but interrelated trends.
+The investment in understanding this relationship being made by
+information providers, technologists, and public policy developers, as
+well as by scholars themselves, seems to be pervasive and growing,
+MICHELSON contended.  She drew on collaborative work with Jeff Rothenberg
+on the scholarly use of technology.
+
+MICHELSON sought to place the phenomenon of electronic texts within the
+context of broader trends within information technology and scholarly
+communication.  She argued that electronic texts are of most use to
+researchers to the extent that the researchers' working context (i.e.,
+their relevant bibliographic sources, collegial feedback, analytic tools,
+notes, drafts, etc.), along with their field's primary and secondary
+sources, also is accessible in electronic form and can be integrated in
+ways that are unique to the on-line environment.
+
+Evaluation of the prospects for the use of electronic texts includes two
+elements:  1) an examination of the ways in which researchers currently
+are using electronic texts along with other electronic resources, and 2)
+an analysis of key information technology trends that are affecting the
+long-term conduct of scholarly communication.  MICHELSON limited her
+discussion of the use of electronic texts to the practices of humanists
+and noted that the scientific community was outside the panel's overview.
+
+MICHELSON examined the nature of the current relationship of electronic
+texts in particular, and electronic resources in general, to what she
+maintained were, essentially, five processes of scholarly communication
+in humanities research.  Researchers 1) identify sources, 2) communicate
+with their colleagues, 3) interpret and analyze data, 4) disseminate
+their research findings, and 5) prepare curricula to instruct the next
+generation of scholars and students.  This examination would produce a
+clearer understanding of the synergy among these five processes that
+fuels the tendency of the use of electronic resources for one process to
+stimulate its use for other processes of scholarly communication.
+
+For the first process of scholarly communication, the identification of
+sources, MICHELSON remarked the opportunity scholars now enjoy to
+supplement traditional word-of-mouth searches for sources among their
+colleagues with new forms of electronic searching.  So, for example,
+instead of having to visit the library, researchers are able to explore
+descriptions of holdings in their offices.  Furthermore, if their own
+institutions' holdings prove insufficient, scholars can access more than
+200 major American library catalogues over Internet, including the
+universities of California, Michigan, Pennsylvania, and Wisconsin.
+Direct access to the bibliographic databases offers intellectual
+empowerment to scholars by presenting a comprehensive means of browsing
+through libraries from their homes and offices at their convenience.
+
+The second process of communication involves communication among
+scholars.  Beyond the most common methods of communication, scholars are
+using E-mail and a variety of new electronic communications formats
+derived from it for further academic interchange.  E-mail exchanges are
+growing at an astonishing rate, reportedly 15 percent a month.  They
+currently constitute approximately half the traffic on research and
+education networks.  Moreover, the global spread of E-mail has been so
+rapid that it is now possible for American scholars to use it to
+communicate with colleagues in close to 140 other countries.
+
+Other new exchange formats created by scholars and operating on Internet
+include more than 700 conferences, with about 80 percent of these devoted
+to topics in the social sciences and humanities.  The rate of growth of
+these scholarly electronic conferences also is astonishing.  From l990 to
+l991, 200 new conferences were identified on Internet.  From October 1991
+to June 1992, an additional 150 conferences in the social sciences and
+humanities were added to this directory of listings.  Scholars have
+established conferences in virtually every field, within every different
+discipline.  For example, there are currently close to 600 active social
+science and humanities  conferences on topics such as art and
+architecture, ethnomusicology, folklore, Japanese culture, medical
+education, and gifted and talented education.  The appeal to scholars of
+communicating through these conferences is that, unlike any other medium,
+electronic conferences today provide a forum for global communication
+with peers at the front end of the research process.
+
+Interpretation and analysis of sources constitutes the third process of
+scholarly communication that MICHELSON discussed in terms of texts and
+textual resources.  The methods used to analyze sources fall somewhere on
+a continuum from quantitative analysis to qualitative analysis.
+Typically, evidence is culled and evaluated using methods drawn from both
+ends of this continuum.  At one end, quantitative analysis involves the
+use of mathematical processes such as a count of frequencies and
+distributions of occurrences or, on a higher level, regression analysis.
+At the other end of the continuum, qualitative analysis typically
+involves nonmathematical processes oriented toward language
+interpretation or the building of theory.  Aspects of this work involve
+the processing--either manual or computational--of large and sometimes
+massive amounts of textual sources, although the use of nontextual
+sources as evidence, such as photographs, sound recordings, film footage,
+and artifacts, is significant as well.
+
+Scholars have discovered that many of the methods of interpretation and
+analysis that are related to both quantitative and qualitative methods
+are processes that can be performed by computers.  For example, computers
+can count.  They can count brush strokes used in a Rembrandt painting or
+perform regression analysis for understanding cause and effect.  By means
+of advanced technologies, computers can recognize patterns, analyze text,
+and model concepts.  Furthermore, computers can complete these processes
+faster with more sources and with greater precision than scholars who
+must rely on manual interpretation of data.  But if scholars are to use
+computers for these processes, source materials must be in a form
+amenable to computer-assisted analysis.  For this reason many scholars,
+once they have identified the sources that are key to their research, are
+converting them to machine-readable form.  Thus, a representative example
+of the numerous textual conversion projects organized by scholars around
+the world in recent years to support computational text analysis is the
+TLG, the Thesaurus Linguae Graecae.  This project is devoted to
+converting the extant ancient texts of classical Greece.  (Editor's note:
+according to the TLG Newsletter of May l992, TLG was in use in thirty-two
+different countries.  This figure updates MICHELSON's previous count by one.)
+
+The scholars performing these conversions have been asked to recognize
+that the electronic sources they are converting for one use possess value
+for other research purposes as well.  As a result, during the past few
+years, humanities scholars have initiated a number of projects to
+increase scholarly access to converted text.  So, for example, the Text
+Encoding Initiative (TEI), about which more is said later in the program,
+was established as an effort by scholars to determine standard elements
+and methods for encoding machine-readable text for electronic exchange.
+In a second effort to facilitate the sharing of converted text, scholars
+have created a new institution, the Center for Electronic Texts in the
+Humanities (CETH).  The center estimates that there are 8,000 series of
+source texts in the humanities that have been converted to
+machine-readable form worldwide.  CETH is undertaking an international
+search for converted text in the humanities, compiling it into an
+electronic library, and preparing bibliographic descriptions of the
+sources for the Research Libraries Information Network's (RLIN)
+machine-readable data file.  The library profession has begun to initiate
+large conversion projects as well, such as American Memory.
+
+While scholars have been making converted text available to one another,
+typically on disk or on CD-ROM, the clear trend is toward making these
+resources available through research and education networks.  Thus, the
+American and French Research on the Treasury of the French Language
+(ARTFL) and the Dante Project are already available on Internet.
+MICHELSON summarized this section on interpretation and analysis by
+noting that:  1) increasing numbers of humanities scholars in the library
+community are recognizing the importance to the advancement of
+scholarship of retrospective conversion of source materials in the arts
+and humanities; and 2) there is a growing realization that making the
+sources available on research and education networks maximizes their
+usefulness for the analysis performed by humanities scholars.
+
+The fourth process of scholarly communication is dissemination of
+research findings, that is, publication.  Scholars are using existing
+research and education networks to engineer a new type of publication:
+scholarly-controlled journals that are electronically produced and
+disseminated.  Although such journals are still emerging as a
+communication format, their number has grown, from approximately twelve
+to thirty-six during the past year (July 1991 to June 1992).  Most of
+these electronic scholarly journals are devoted to topics in the
+humanities.  As with network conferences, scholarly enthusiasm for these
+electronic journals stems from the medium's unique ability to advance
+scholarship in a way that no other medium can do by supporting global
+feedback and interchange, practically in real time, early in the research
+process.  Beyond scholarly journals, MICHELSON remarked the delivery of
+commercial full-text products, such as articles in professional journals,
+newsletters, magazines, wire services, and reference sources.  These are
+being delivered via on-line local library catalogues, especially through
+CD-ROMs.  Furthermore, according to MICHELSON, there is general optimism
+that the copyright and fees issues impeding the delivery of full text on
+existing research and education networks soon will be resolved.
+
+The final process of scholarly communication is curriculum development
+and instruction, and this involves the use of computer information
+technologies in two areas.  The first is the development of
+computer-oriented instructional tools, which includes simulations,
+multimedia applications, and computer tools that are used to assist in
+the analysis of sources in the classroom, etc.  The Perseus Project, a
+database that provides a multimedia curriculum on classical Greek
+civilization, is a good example of the way in which entire curricula are
+being recast using information technologies.  It is anticipated that the
+current difficulty in exchanging electronically computer-based
+instructional software, which in turn makes it difficult for one scholar
+to build upon the work of others, will be resolved before too long.
+Stand-alone curricular applications that involve electronic text will be
+sharable through networks, reinforcing their significance as intellectual
+products as well as instructional tools.
+
+The second aspect of electronic learning involves the use of research and
+education networks for distance education programs.  Such programs
+interactively link teachers with students in geographically scattered
+locations and rely on the availability of electronic instructional
+resources.  Distance education programs are gaining wide appeal among
+state departments of education because of their demonstrated capacity to
+bring advanced specialized course work and an array of experts to many
+classrooms.  A recent report found that at least 32 states operated at
+least one statewide network for education in 1991, with networks under
+development in many of the remaining states.
+
+MICHELSON summarized this section by noting two striking changes taking
+place in scholarly communication among humanities scholars.  First is the
+extent to which electronic text in particular, and electronic resources
+in general, are being infused into each of the five processes described
+above.  As mentioned earlier, there is a certain synergy at work here.
+The use of electronic resources for one process tends to stimulate its
+use for other processes, because the chief course of movement is toward a
+comprehensive on-line working context for humanities scholars that
+includes on-line availability of key bibliographies, scholarly feedback,
+sources, analytical tools, and publications.  MICHELSON noted further
+that the movement toward a comprehensive on-line working context for
+humanities scholars is not new.  In fact, it has been underway for more
+than forty years in the humanities, since Father Roberto Busa began
+developing an electronic concordance of the works of Saint Thomas Aquinas
+in 1949.  What we are witnessing today, MICHELSON contended, is not the
+beginning of this on-line transition but, for at least some humanities
+scholars, the turning point in the transition from a print to an
+electronic working context.  Coinciding with the on-line transition, the
+second striking change is the extent to which research and education
+networks are becoming the new medium of scholarly communication.  The
+existing Internet and the pending National Education and Research Network
+(NREN) represent the new meeting ground where scholars are going for
+bibliographic information, scholarly dialogue and feedback, the most
+current publications in their field, and high-level educational
+offerings.  Traditional scholarly practices are undergoing tremendous
+transformations as a result of the emergence and growing prominence of
+what is called network-mediated scholarship.
+
+MICHELSON next turned to the second element of the framework she proposed
+at the outset of her talk for evaluating the prospects for electronic
+text, namely the key information technology trends affecting the conduct
+of scholarly communication over the next decade:  1) end-user computing
+and 2) connectivity.
+
+End-user computing means that the person touching the keyboard, or
+performing computations, is the same as the person who initiates or
+consumes the computation.  The emergence of personal computers, along
+with a host of other forces, such as ubiquitous computing, advances in
+interface design, and the on-line transition, is prompting the consumers
+of computation to do their own computing, and is thus rendering obsolete
+the traditional distinction between end users and ultimate users.
+
+The trend toward end-user computing is significant to consideration of
+the prospects for electronic texts because it means that researchers are
+becoming more adept at doing their own computations and, thus, more
+competent in the use of electronic media.  By avoiding programmer
+intermediaries, computation is becoming central to the researcher's
+thought process.  This direct involvement in computing is changing the
+researcher's perspective on the nature of research itself, that is, the
+kinds of questions that can be posed, the analytical methodologies that
+can be used, the types and amount of sources that are appropriate for
+analyses, and the form in which findings are presented.  The trend toward
+end-user computing means that, increasingly, electronic media and
+computation are being infused into all processes of humanities
+scholarship, inspiring remarkable transformations in scholarly
+communication.
+
+The trend toward greater connectivity suggests that researchers are using
+computation increasingly in network environments.  Connectivity is
+important to scholarship because it erases the distance that separates
+students from teachers and scholars from their colleagues, while allowing
+users to access remote databases, share information in many different
+media, connect to their working context wherever they are, and
+collaborate in all phases of research.
+
+The combination of the trend toward end-user computing and the trend
+toward connectivity suggests that the scholarly use of electronic
+resources, already evident among some researchers, will soon become an
+established feature of scholarship.  The effects of these trends, along
+with ongoing changes in scholarly practices, point to a future in which
+humanities researchers will use computation and electronic communication
+to help them formulate ideas, access sources, perform research,
+collaborate with colleagues, seek peer review, publish and disseminate
+results, and engage in many other professional and educational activities.
+
+In summary, MICHELSON emphasized four points:  1) A portion of humanities
+scholars already consider electronic texts the preferred format for
+analysis and dissemination.  2) Scholars are using these electronic
+texts, in conjunction with other electronic resources, in all the
+processes of scholarly communication.  3) The humanities scholars'
+working context is in the process of changing from print technology to
+electronic technology, in many ways mirroring transformations that have
+occurred or are occurring within the scientific community.  4) These
+changes are occurring in conjunction with the development of a new
+communication medium:  research and education networks that are
+characterized by their capacity to advance scholarship in a wholly unique
+way.
+
+MICHELSON also reiterated her three principal arguments:  l) Electronic
+texts are best understood in terms of the relationship to other
+electronic resources and the growing prominence of network-mediated
+scholarship.  2) The prospects for electronic texts lie in their capacity
+to be integrated into the on-line network of electronic resources that
+comprise the new working context for scholars.  3) Retrospective conversion
+of portions of the scholarly record should be a key strategy as information
+providers respond to changes in scholarly communication practices.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+VECCIA * AM's evaluation project and public users of electronic resources
+* AM and its design * Site selection and evaluating the Macintosh
+implementation of AM * Characteristics of the six public libraries
+selected * Characteristics of AM's users in these libraries * Principal
+ways AM is being used *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Susan VECCIA, team leader, and Joanne FREEMAN, associate coordinator,
+American Memory, Library of Congress, gave a joint presentation.  First,
+by way of introduction, VECCIA explained her and FREEMAN's roles in
+American Memory (AM).  Serving principally as an observer, VECCIA has
+assisted with the evaluation project of AM, placing AM collections in a
+variety of different sites around the country and helping to organize and
+implement that project.  FREEMAN has been an associate coordinator of AM
+and has been involved principally with the interpretative materials,
+preparing some of the electronic exhibits and printed historical
+information that accompanies AM and that is requested by users.  VECCIA
+and FREEMAN shared anecdotal observations concerning AM with public users
+of electronic resources.  Notwithstanding a fairly structured evaluation
+in progress, both VECCIA and FREEMAN chose not to report on specifics in
+terms of numbers, etc., because they felt it was too early in the
+evaluation project to do so.
+
+AM is an electronic archive of primary source materials from the Library
+of Congress, selected collections representing a variety of formats--
+photographs, graphic arts, recorded sound, motion pictures, broadsides,
+and soon, pamphlets and books.  In terms of the design of this system,
+the interpretative exhibits have been kept separate from the primary
+resources, with good reason.  Accompanying this collection are printed
+documentation and user guides, as well as guides that FREEMAN prepared for
+teachers so that they may begin using the content of the system at once.
+
+VECCIA described the evaluation project before talking about the public
+users of AM, limiting her remarks to public libraries, because FREEMAN
+would talk more specifically about schools from kindergarten to twelfth
+grade (K-12).   Having started in spring 1991, the evaluation currently
+involves testing of the Macintosh implementation of AM.  Since the
+primary goal of this evaluation is to determine the most appropriate
+audience or audiences for AM, very different sites were selected.  This
+makes evaluation difficult because of the varying degrees of technology
+literacy among the sites.  AM is situated in forty-four locations, of
+which six are public libraries and sixteen are schools.  Represented
+among the schools are elementary, junior high, and high schools.
+District offices also are involved in the evaluation, which will
+conclude in summer 1993.
+
+VECCIA focused the remainder of her talk on the six public libraries, one
+of which doubles as a state library.  They represent a range of
+geographic areas and a range of demographic characteristics.  For
+example, three are located in urban settings, two in rural settings, and
+one in a suburban setting.  A range of technical expertise is to be found
+among these facilities as well.  For example, one is an "Apple library of
+the future," while two others are rural one-room libraries--in one, AM
+sits at the front desk next to a tractor manual.
+
+All public libraries have been extremely enthusiastic, supportive, and
+appreciative of the work that AM has been doing.  VECCIA characterized
+various users:  Most users in public libraries describe themselves as
+general readers; of the students who use AM in the public libraries,
+those in fourth grade and above seem most interested.  Public libraries
+in rural sites tend to attract retired people, who have been highly
+receptive to AM.  Users tend to fall into two additional categories:
+people interested in the content and historical connotations of these
+primary resources, and those fascinated by the technology.  The format
+receiving the most comments has been motion pictures.  The adult users in
+public libraries are more comfortable with IBM computers, whereas young
+people seem comfortable with either IBM or Macintosh, although most of
+them seem to come from a Macintosh background.  This same tendency is
+found in the schools.
+
+What kinds of things do users do with AM?  In a public library there are
+two main goals or ways that AM is being used:  as an individual learning
+tool, and as a leisure activity.  Adult learning was one area that VECCIA
+would highlight as a possible application for a tool such as AM.  She
+described a patron of a rural public library who comes in every day on
+his lunch hour and literally reads AM, methodically going through the
+collection image by image.  At the end of his hour he makes an electronic
+bookmark, puts it in his pocket, and returns to work.  The next day he
+comes in and resumes where he left off.  Interestingly, this man had
+never been in the library before he used AM.  In another small, rural
+library, the coordinator reports that AM is a popular activity for some
+of the older, retired people in the community, who ordinarily would not
+use "those things,"--computers.  Another example of adult learning in
+public libraries is book groups, one of which, in particular, is using AM
+as part of its reading on industrialization, integration, and urbanization
+in the early 1900s.
+
+One library reports that a family is using AM to help educate their
+children.  In another instance, individuals from a local museum came in
+to use AM to prepare an exhibit on toys of the past.  These two examples
+emphasize the mission of the public library as a cultural institution,
+reaching out to people who do not have the same resources available to
+those who live in a metropolitan area or have access to a major library.
+One rural library reports that junior high school students in large
+numbers came in one afternoon to use AM for entertainment.  A number of
+public libraries reported great interest among postcard collectors in the
+Detroit collection, which was essentially a collection of images used on
+postcards around the turn of the century.  Train buffs are similarly
+interested because that was a time of great interest in railroading.
+People, it was found, relate to things that they know of firsthand.  For
+example, in both rural public libraries where AM was made available,
+observers reported that the older people with personal remembrances of
+the turn of the century were gravitating to the Detroit collection.
+These examples served to underscore MICHELSON's observation re the
+integration of electronic tools and ideas--that people learn best when
+the material relates to something they know.
+
+VECCIA made the final point that in many cases AM serves as a
+public-relations tool for the public libraries that are testing it.  In
+one case, AM is being used as a vehicle to secure additional funding for
+the library.  In another case, AM has served as an inspiration to the
+staff of a major local public library in the South to think about ways to
+make its own collection of photographs more accessible to the public.
+
+                                  ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+FREEMAN * AM and archival electronic resources in a school environment *
+Questions concerning context * Questions concerning the electronic format
+itself * Computer anxiety * Access and availability of the system *
+Hardware * Strengths gained through the use of archival resources in
+schools *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Reiterating an observation made by VECCIA, that AM is an archival
+resource made up of primary materials with very little interpretation,
+FREEMAN stated that the project has attempted to bridge the gap between
+these bare primary materials and a school environment, and in that cause
+has created guided introductions to AM collections.  Loud demand from the
+educational community,  chiefly from teachers working with the upper
+grades of elementary school through high school, greeted the announcement
+that AM would be tested around the country.
+
+FREEMAN reported not only on what was learned about AM in a school
+environment, but also on several universal questions that were raised
+concerning archival electronic resources in schools.  She discussed
+several strengths of this type of material in a school environment as
+opposed to a highly structured resource that offers a limited number of
+paths to follow.
+
+FREEMAN first raised several questions about using AM in a school
+environment.  There is often some difficulty in developing a sense of
+what the system contains.  Many students sit down at a computer resource
+and assume that, because AM comes from the Library of Congress, all of
+American history is now at their fingertips.  As a result of that sort of
+mistaken judgment, some students are known to conclude that AM contains
+nothing of use to them when they look for one or two things and do not
+find them.  It is difficult to discover that middle ground where one has
+a sense of what the system contains.  Some students grope toward the idea
+of an archive, a new idea to them, since they have not previously
+experienced what it means to have access to a vast body of somewhat
+random information.
+
+Other questions raised by FREEMAN concerned the electronic format itself.
+For instance, in a school environment it is often difficult both for
+teachers and students to gain a sense of what it is they are viewing.
+They understand that it is a visual image, but they do not necessarily
+know that it is a postcard from the turn of the century, a panoramic
+photograph, or even machine-readable text of an eighteenth-century
+broadside, a twentieth-century printed book, or a nineteenth-century
+diary.  That distinction is often difficult for people in a school
+environment to grasp.  Because of that, it occasionally becomes difficult
+to draw conclusions from what one is viewing.
+
+FREEMAN also noted the obvious fear of the computer, which constitutes a
+difficulty in using an electronic resource.  Though students in general
+did not suffer from this anxiety, several older students feared that they
+were computer-illiterate, an assumption that became self-fulfilling when
+they searched for something but failed to find it.  FREEMAN said she
+believed that some teachers also fear computer resources, because they
+believe they lack complete control.  FREEMAN related the example of
+teachers shooing away students because it was not their time to use the
+system.  This was a case in which the situation had to be extremely
+structured so that the teachers would not feel that they had lost their
+grasp on what the system contained.
+
+A final question raised by FREEMAN concerned access and availability of
+the system.  She noted the occasional existence of a gap in communication
+between school librarians and teachers.  Often AM sits in a school
+library and the librarian is the person responsible for monitoring the
+system.  Teachers do not always take into their world new library
+resources about which the librarian is excited.  Indeed, at the sites
+where AM had been used most effectively within a library, the librarian
+was required to go to specific teachers and instruct them in its use.  As
+a result, several AM sites will have in-service sessions over a summer,
+in the hope that perhaps, with a more individualized link, teachers will
+be more likely to use the resource.
+
+A related issue in the school context concerned the number of
+workstations available at any one location.  Centralization of equipment
+at the district level, with teachers invited to download things and walk
+away with them, proved unsuccessful because the hours these offices were
+open were also school hours.
+
+Another issue was hardware.  As VECCIA observed, a range of sites exists,
+some technologically advanced and others essentially acquiring their
+first computer for the primary purpose of using it in conjunction with
+AM's testing.  Users at technologically sophisticated sites want even
+more sophisticated hardware, so that they can perform even more
+sophisticated tasks with the materials in AM.  But once they acquire a
+newer piece of hardware, they must learn how to use that also; at an
+unsophisticated site it takes an extremely long time simply to become
+accustomed to the computer, not to mention the program offered with the
+computer.  All of these small issues raise one large question, namely,
+are systems like AM truly rewarding in a school environment, or do they
+simply act as innovative toys that do little more than spark interest?
+
+FREEMAN contended that the evaluation project has revealed several strengths
+that were gained through the use of archival resources in schools, including:
+
+     * Psychic rewards from using AM as a vast, rich database, with
+     teachers assigning various projects to students--oral presentations,
+     written reports, a documentary, a turn-of-the-century newspaper--
+     projects that start with the materials in AM but are completed using
+     other resources; AM thus is used as a research tool in conjunction
+     with other electronic resources, as well as with books and items in
+     the library where the system is set up.
+
+     * Students are acquiring computer literacy in a humanities context.
+
+     * This sort of system is overcoming the isolation between disciplines
+     that often exists in schools.  For example, many English teachers are
+     requiring their students to write papers on historical topics
+     represented in AM.  Numerous teachers have reported that their
+     students are learning critical thinking skills using the system.
+
+     * On a broader level, AM is introducing primary materials, not only
+     to students but also to teachers, in an environment where often
+     simply none exist--an exciting thing for the students because it
+     helps them learn to conduct research, to interpret, and to draw
+     their own conclusions.  In learning to conduct research and what it
+     means, students are motivated to seek knowledge.  That relates to
+     another positive outcome--a high level of personal involvement of
+     students with the materials in this system and greater motivation to
+     conduct their own research and draw their own conclusions.
+
+     * Perhaps the most ironic strength of these kinds of archival
+     electronic resources is that many of the teachers AM interviewed
+     were desperate, it is no exaggeration to say, not only for primary
+     materials but for unstructured primary materials.  These would, they
+     thought, foster personally motivated research, exploration, and
+     excitement in their students.  Indeed, these materials have done
+     just that.  Ironically, however, this lack of structure produces
+     some of the confusion to which the newness of these kinds of
+     resources may also contribute.  The key to effective use of archival
+     products in a school environment is a clear, effective introduction
+     to the system and to what it contains.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+DISCUSSION * Nothing known, quantitatively, about the number of
+humanities scholars who must see the original versus those who would
+settle for an edited transcript, or about the ways in which humanities
+scholars are using information technology * Firm conclusions concerning
+the manner and extent of the use of supporting materials in print
+provided by AM to await completion of evaluative study * A listener's
+reflections on additional applications of electronic texts * Role of
+electronic resources in teaching elementary research skills to students *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+During the discussion that followed the presentations by MICHELSON,
+VECCIA, and FREEMAN, additional points emerged.
+
+LESK asked if MICHELSON could give any quantitative estimate of the
+number of humanities scholars who must see or want to see the original,
+or the best possible version of the material, versus those who typically
+would settle for an edited transcript.  While unable to provide a figure,
+she offered her impressions as an archivist who has done some reference
+work and has discussed this issue with other archivists who perform
+reference, that those who use archives and those who use primary sources
+for what would be considered very high-level scholarly research, as
+opposed to, say, undergraduate papers, were few in number, especially
+given the public interest in using primary sources to conduct
+genealogical or avocational research and the kind of professional
+research done by people in private industry or the federal government.
+More important in MICHELSON's view was that, quantitatively, nothing is
+known about the ways in which, for example, humanities scholars are using
+information technology.  No studies exist to offer guidance in creating
+strategies.  The most recent study was conducted in 1985 by the American
+Council of Learned Societies (ACLS), and what it showed was that 50
+percent of humanities scholars at that time were using computers.  That
+constitutes the extent of our knowledge.
+
+Concerning AM's strategy for orienting people toward the scope of
+electronic resources, FREEMAN could offer no hard conclusions at this
+point, because she and her colleagues were still waiting to see,
+particularly in the schools, what has been made of their efforts.  Within
+the system, however, AM has provided what are called electronic exhibits-
+-such as introductions to time periods and materials--and these are
+intended to offer a student user a sense of what a broadside is  and what
+it might tell her or him.  But FREEMAN conceded that the project staff
+would have to talk with students next year, after teachers have had a
+summer to use the materials, and attempt to discover what the students
+were learning from the materials.  In addition, FREEMAN described
+supporting materials in print provided by AM at the request of local
+teachers during a meeting held at LC.  These included time lines,
+bibliographies, and other materials that could be reproduced on a
+photocopier in a classroom.  Teachers could walk away with and use these,
+and in this way gain a better understanding of the contents.  But again,
+reaching firm conclusions concerning the manner and extent of their use
+would have to wait until next year.
+
+As to the changes she saw occurring at the National Archives and Records
+Administration (NARA) as a result of the increasing emphasis on
+technology in scholarly research, MICHELSON stated that NARA at this
+point was absorbing the report by her and Jeff Rothenberg addressing
+strategies for the archival profession in general, although not for the
+National Archives specifically.  NARA is just beginning to establish its
+role and what it can do.  In terms of changes and initiatives that NARA
+can take, no clear response could be given at this time.
+
+GREENFIELD remarked two trends mentioned in the session.  Reflecting on
+DALY's opening comments on how he could have used a Latin collection of
+text in an electronic form, he said that at first he thought most scholars
+would be unwilling to do that.  But as he thought of that in terms of the
+original meaning of research--that is, having already mastered these texts,
+researching them for critical and comparative purposes--for the first time,
+the electronic format made a lot of sense.  GREENFIELD could envision
+growing numbers of scholars learning the new technologies for that very
+aspect of their scholarship and for convenience's sake.
+
+Listening to VECCIA and FREEMAN, GREENFIELD thought of an additional
+application of electronic texts.  He realized that AM could be used as a
+guide to lead someone to original sources.  Students cannot be expected
+to have mastered these sources, things they have never known about
+before.  Thus, AM is leading them, in theory, to a vast body of
+information and giving them a superficial overview of it, enabling them
+to select parts of it.  GREENFIELD asked if any evidence exists that this
+resource will indeed teach the new user, the K-12 students, how to do
+research.  Scholars already know how to do research and are applying
+these new tools.  But he wondered why students would go beyond picking
+out things that were most exciting to them.
+
+FREEMAN conceded the correctness of GREENFIELD's observation as applied
+to a school environment.  The risk is that a student would sit down at a
+system, play with it, find some things of interest, and then walk away.
+But in the relatively controlled situation of a school library, much will
+depend on the instructions a teacher or a librarian gives a student.  She
+viewed the situation not as one of fine-tuning research skills but of
+involving students at a personal level in understanding and researching
+things.  Given the guidance one can receive at school, it then becomes
+possible to teach elementary research skills to students, which in fact
+one particular librarian said she was teaching her fifth graders.
+FREEMAN concluded that introducing the idea of following one's own path
+of inquiry, which is essentially what research entails, involves more
+than teaching specific skills.  To these comments VECCIA added the
+observation that the individual teacher and the use of a creative
+resource, rather than AM itself, seemed to make the key difference.
+Some schools and some teachers are making excellent use of the nature
+of critical thinking and teaching skills, she said.
+
+Concurring with these remarks, DALY closed the session with the thought that
+the more that producers produced for teachers and for scholars to use with
+their students, the more successful their electronic products would prove.
+
+                                 ******
+
+SESSION II.  SHOW AND TELL
+
+Jacqueline HESS, director, National Demonstration Laboratory, served as
+moderator of the "show-and-tell" session.  She noted that a
+question-and-answer period would follow each presentation.
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+MYLONAS * Overview and content of Perseus * Perseus' primary materials
+exist in a system-independent, archival form * A concession * Textual
+aspects of Perseus * Tools to use with the Greek text * Prepared indices
+and full-text searches in Perseus * English-Greek word search leads to
+close study of words and concepts * Navigating Perseus by tracing down
+indices * Using the iconography to perform research *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Elli MYLONAS, managing editor, Perseus Project, Harvard University, first
+gave an overview of Perseus, a large, collaborative effort based at
+Harvard University but with contributors and collaborators located at
+numerous universities and colleges in the United States (e.g., Bowdoin,
+Maryland, Pomona, Chicago, Virginia).  Funded primarily by the
+Annenberg/CPB Project, with additional funding from Apple, Harvard, and
+the Packard Humanities Institute, among others, Perseus is a multimedia,
+hypertextual database for teaching and research on classical Greek
+civilization, which was released in February 1992 in version 1.0 and
+distributed by Yale University Press.
+
+Consisting entirely of primary materials, Perseus includes ancient Greek
+texts and translations of those texts; catalog entries--that is, museum
+catalog entries, not library catalog entries--on vases, sites, coins,
+sculpture, and archaeological objects; maps; and a dictionary, among
+other sources.  The number of objects and the objects for which catalog
+entries exist are accompanied by thousands of color images, which
+constitute a major feature of the database.  Perseus contains
+approximately 30 megabytes of text, an amount that will double in
+subsequent versions.  In addition to these primary materials, the Perseus
+Project has been building tools for using them, making access and
+navigation easier, the goal being to build part of the electronic
+environment discussed earlier in the morning in which students or
+scholars can work with their sources.
+
+The demonstration of Perseus will show only a fraction of the real work
+that has gone into it, because the project had to face the dilemma of
+what to enter when putting something into machine-readable form:  should
+one aim for very high quality or make concessions in order to get the
+material in?  Since Perseus decided to opt for very high quality, all of
+its primary materials exist in a system-independent--insofar as it is
+possible to be system-independent--archival form.  Deciding what that
+archival form would be and attaining it required much work and thought.
+For example, all the texts are marked up in SGML, which will be made
+compatible with the guidelines of the Text Encoding Initiative (TEI) when
+they are issued.
+
+Drawings are postscript files, not meeting international standards, but
+at least designed to go across platforms.  Images, or rather the real
+archival forms, consist of the best available slides, which are being
+digitized.  Much of the catalog material exists in database form--a form
+that the average user could use, manipulate, and display on a personal
+computer, but only at great cost.  Thus, this is where the concession
+comes in:  All of this rich, well-marked-up information is stripped of
+much of its content; the images are converted into bit-maps and the text
+into small formatted chunks.  All this information can then be imported
+into HyperCard and run on a mid-range Macintosh, which is what Perseus
+users have.  This fact has made it possible for Perseus to attain wide
+use fairly rapidly.  Without those archival forms the HyperCard version
+being demonstrated could not be made easily, and the project could not
+have the potential to move to other forms and machines and software as
+they appear, none of which information is in Perseus on the CD.
+
+Of the numerous multimedia aspects of Perseus, MYLONAS focused on the
+textual.  Part of what makes Perseus such a pleasure to use, MYLONAS
+said, is this effort at seamless integration and the ability to move
+around both visual and textual material.  Perseus also made the decision
+not to attempt to interpret its material any more than one interprets by
+selecting.  But, MYLONAS emphasized, Perseus is not courseware:  No
+syllabus exists.  There is no effort to define how one teaches a topic
+using Perseus, although the project may eventually collect papers by
+people who have used it to teach.  Rather, Perseus aims to provide
+primary material in a kind of electronic library, an electronic sandbox,
+so to say, in which students and scholars who are working on this
+material can explore by themselves.  With that, MYLONAS demonstrated
+Perseus, beginning with the Perseus gateway, the first thing one sees
+upon opening Perseus--an effort in part to solve the contextualizing
+problem--which tells the user what the system contains.
+
+MYLONAS demonstrated only a very small portion, beginning with primary
+texts and running off the CD-ROM.  Having selected Aeschylus' Prometheus
+Bound, which was viewable in Greek and English pretty much in the same
+segments together, MYLONAS demonstrated tools to use with the Greek text,
+something not possible with a book:  looking up the dictionary entry form
+of an unfamiliar word in Greek after subjecting it to Perseus'
+morphological analysis for all the texts.  After finding out about a
+word, a user may then decide to see if it is used anywhere else in Greek.
+Because vast amounts of indexing support all of the primary material, one
+can find out where else all forms of a particular Greek word appear--
+often not a trivial matter because Greek is highly inflected.  Further,
+since the story of Prometheus has to do with the origins of sacrifice, a
+user may wish to study and explore sacrifice in Greek literature; by
+typing sacrifice into a small window, a user goes to the English-Greek
+word list--something one cannot do without the computer (Perseus has
+indexed the definitions of its dictionary)--the string sacrifice appears
+in the definitions of these sixty-five words.  One may then find out
+where any of those words is used in the work(s) of a particular author.
+The English definitions are not lemmatized.
+
+All of the indices driving this kind of usage were originally devised for
+speed, MYLONAS observed; in other words, all that kind of information--
+all forms of all words, where they exist, the dictionary form they belong
+to--were collected into databases, which will expedite searching.  Then
+it was discovered that one can do things searching in these databases
+that could not be done searching in the full texts.  Thus, although there
+are full-text searches in Perseus, much of the work is done behind the
+scenes, using prepared indices.  Re the indexing that is done behind the
+scenes, MYLONAS pointed out that without the SGML forms of the text, it
+could not be done effectively.  Much of this indexing is based on the
+structures that are made explicit by the SGML tagging.
+
+It was found that one of the things many of Perseus' non-Greek-reading
+users do is start from the dictionary and then move into the close study
+of words and concepts via this kind of English-Greek word search, by which
+means they might select a concept.  This exercise has been assigned to
+students in core courses at Harvard--to study a concept by looking for the
+English word in the dictionary, finding the Greek words, and then finding
+the words in the Greek but, of course, reading across in the English.
+That tells them a great deal about what a translation means as well.
+
+Should one also wish to see images that have to do with sacrifice, that
+person would go to the object key word search, which allows one to
+perform a similar kind of index retrieval on the database of
+archaeological objects.  Without words, pictures are useless; Perseus has
+not reached the point where it can do much with images that are not
+cataloged.  Thus, although it is possible in Perseus with text and images
+to navigate by knowing where one wants to end up--for example, a
+red-figure vase from the Boston Museum of Fine Arts--one can perform this
+kind of navigation very easily by tracing down indices.  MYLONAS
+illustrated several generic scenes of sacrifice on vases.  The features
+demonstrated derived from Perseus 1.0; version 2.0 will implement even
+better means of retrieval.
+
+MYLONAS closed by looking at one of the pictures and noting again that
+one can do a great deal of research using the iconography as well as the
+texts.  For instance, students in a core course at Harvard this year were
+highly interested in Greek concepts of foreigners and representations of
+non-Greeks.  So they performed a great deal of research, both with texts
+(e.g., Herodotus) and with iconography on vases and coins, on how the
+Greeks portrayed non-Greeks.  At the same time, art historians who study
+iconography were also interested, and were able to use this material.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+DISCUSSION * Indexing and searchability of all English words in Perseus *
+Several features of Perseus 1.0 * Several levels of customization
+possible * Perseus used for general education * Perseus' effects on
+education * Contextual information in Perseus * Main challenge and
+emphasis of Perseus *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Several points emerged in the discussion that followed MYLONAS's presentation.
+
+Although MYLONAS had not demonstrated Perseus' ability to cross-search
+documents, she confirmed that all English words in Perseus are indexed
+and can be searched.  So, for example, sacrifice could have been searched
+in all texts, the historical essay, and all the catalogue entries with
+their descriptions--in short, in all of Perseus.
+
+Boolean logic is not in Perseus 1.0 but will be added to the next
+version, although an effort is being made not to restrict Perseus to a
+database in which one just performs searching, Boolean or otherwise.  It
+is possible to move laterally through the documents by selecting a word
+one is interested in and selecting an area of information one is
+interested in and trying to look that word up in that area.
+
+Since Perseus was developed in HyperCard, several levels of customization
+are possible.  Simple authoring tools exist that allow one to create
+annotated paths through the information, which are useful for note-taking
+and for guided tours for teaching purposes and for expository writing.
+With a little more ingenuity it is possible to begin to add or substitute
+material in Perseus.
+
+Perseus has not been used so much for classics education as for general
+education, where it seemed to have an impact on the students in the core
+course at Harvard (a general required course that students must take in
+certain areas).  Students were able to use primary material much more.
+
+The Perseus Project has an evaluation team at the University of Maryland
+that has been documenting Perseus' effects on education.  Perseus is very
+popular, and anecdotal evidence indicates that it is having an effect at
+places other than Harvard, for example, test sites at Ball State
+University, Drury College, and numerous small places where opportunities
+to use vast amounts of primary data may not exist.  One documented effect
+is that archaeological, anthropological, and philological research is
+being done by the same person instead of by three different people.
+
+The contextual information in Perseus includes an overview essay, a
+fairly linear historical essay on the fifth century B.C. that provides
+links into the primary material (e.g., Herodotus, Thucydides, and
+Plutarch), via small gray underscoring (on the screen) of linked
+passages.  These are handmade links into other material.
+
+To different extents, most of the production work was done at Harvard,
+where the people and the equipment are located.  Much of the
+collaborative activity involved data collection and structuring, because
+the main challenge and the emphasis of Perseus is the gathering of
+primary material, that is, building a useful environment for studying
+classical Greece, collecting data, and making it useful.
+Systems-building is definitely not the main concern.  Thus, much of the
+work has involved writing essays, collecting information, rewriting it,
+and tagging it.  That can be done off site.  The creative link for the
+overview essay as well as for both systems and data was collaborative,
+and was forged via E-mail and paper mail with professors at Pomona and
+Bowdoin.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+CALALUCA * PLD's principal focus and contribution to scholarship *
+Various questions preparatory to beginning the project * Basis for
+project * Basic rule in converting PLD * Concerning the images in PLD *
+Running PLD under a variety of retrieval softwares * Encoding the
+database a hard-fought issue * Various features demonstrated * Importance
+of user documentation * Limitations of the CD-ROM version *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Eric CALALUCA, vice president, Chadwyck-Healey, Inc., demonstrated a
+software interpretation of the Patrologia Latina Database (PLD).  PLD's
+principal focus from the beginning of the project about three-and-a-half
+years ago was on converting Migne's Latin series, and in the end,
+CALALUCA suggested, conversion of the text will be the major contribution
+to scholarship.  CALALUCA stressed that, as possibly the only private
+publishing organization at the Workshop, Chadwyck-Healey had sought no
+federal funds or national foundation support before embarking upon the
+project, but instead had relied upon a great deal of homework and
+marketing to accomplish the task of conversion.
+
+Ever since the possibilities of computer-searching have emerged, scholars
+in the field of late ancient and early medieval studies (philosophers,
+theologians, classicists, and those studying the history of natural law
+and the history of the legal development of Western civilization) have
+been longing for a fully searchable version of Western literature, for
+example, all the texts of Augustine and Bernard of Clairvaux and
+Boethius, not to mention all the secondary and tertiary authors.
+
+Various questions arose, CALALUCA said.  Should one convert Migne?
+Should the database be encoded?  Is it necessary to do that?  How should
+it be delivered?  What about CD-ROM?  Since this is a transitional
+medium, why even bother to create software to run on a CD-ROM?  Since
+everybody knows people will be networking information, why go to the
+trouble--which is far greater with CD-ROM than with the production of
+magnetic data?  Finally, how does one make the data available?  Can many
+of the hurdles to using electronic information that some publishers have
+imposed upon databases be eliminated?
+
+The PLD project was based on the principle that computer-searching of
+texts is most effective when it is done with a large database.  Because
+PLD represented a collection that serves so many disciplines across so
+many periods, it was irresistible.
+
+The basic rule in converting PLD was to do no harm, to avoid the sins of
+intrusion in such a database:  no introduction of newer editions, no
+on-the-spot changes, no eradicating of all possible falsehoods from an
+edition.  Thus, PLD is not the final act in electronic publishing for
+this discipline, but simply the beginning.  The conversion of PLD has
+evoked numerous unanticipated questions:  How will information be used?
+What about networking?  Can the rights of a database be protected?
+Should one protect the rights of a database?  How can it be made
+available?
+
+Those converting PLD also tried to avoid the sins of omission, that is,
+excluding portions of the collections or whole sections.  What about the
+images?  PLD is full of images, some are extremely pious
+nineteenth-century representations of the Fathers, while others contain
+highly interesting elements.  The goal was to cover all the text of Migne
+(including notes, in Greek and in Hebrew, the latter of which, in
+particular, causes problems in creating a search structure), all the
+indices, and even the images, which are being scanned in separately
+searchable files.
+
+Several North American institutions that have placed acquisition requests
+for the PLD database have requested it in magnetic form without software,
+which means they are already running it without software, without
+anything demonstrated at the Workshop.
+
+What cannot practically be done is go back and reconvert and re-encode
+data, a time-consuming and extremely costly enterprise.  CALALUCA sees
+PLD as a database that can, and should, be run under a variety of
+retrieval softwares.  This will permit the widest possible searches.
+Consequently, the need to produce a CD-ROM of PLD, as well as to develop
+software that could handle some 1.3 gigabyte of heavily encoded text,
+developed out of conversations with collection development and reference
+librarians who wanted software both compassionate enough for the
+pedestrian but also capable of incorporating the most detailed
+lexicographical studies that a user desires to conduct.  In the end, the
+encoding and conversion of the data will prove the most enduring
+testament to the value of the project.
+
+The encoding of the database was also a hard-fought issue:  Did the
+database need to be encoded? Were there normative structures for encoding
+humanist texts?  Should it be SGML?  What about the TEI--will it last,
+will it prove useful?  CALALUCA expressed some minor doubts as to whether
+a data bank can be fully TEI-conformant.  Every effort can be made, but
+in the end to be TEI-conformant means to accept the need to make some
+firm encoding decisions that can, indeed, be disputed.  The TEI points
+the publisher in a proper direction but does not presume to make all the
+decisions for him or her.  Essentially, the goal of encoding was to
+eliminate, as much as possible, the hindrances to information-networking,
+so that if an institution acquires a database, everybody associated with
+the institution can have access to it.
+
+CALALUCA demonstrated a portion of Volume 160, because it had the most
+anomalies in it.  The software was created by Electronic Book
+Technologies of Providence, RI, and is called Dynatext.  The software
+works only with SGML-coded data.
+
+Viewing a table of contents on the screen, the audience saw how Dynatext
+treats each element as a book and attempts to simplify movement through a
+volume.  Familiarity with the Patrologia in print (i.e., the text, its
+source, and the editions) will make the machine-readable versions highly
+useful.  (Software with a Windows application was sought for PLD,
+CALALUCA said, because this was the main trend for scholarly use.)
+
+CALALUCA also demonstrated how a user can perform a variety of searches
+and quickly move to any part of a volume; the look-up screen provides
+some basic, simple word-searching.
+
+CALALUCA argued that one of the major difficulties is not the software.
+Rather, in creating a product that will be used by scholars representing
+a broad spectrum of computer sophistication,  user documentation proves
+to be the most important service one can provide.
+
+CALALUCA next illustrated a truncated search under mysterium within ten
+words of virtus and how one would be able to find its contents throughout
+the entire database.  He said that the exciting thing about PLD is that
+many of the applications in the retrieval software being written for it
+will exceed the capabilities of the software employed now for the CD-ROM
+version.  The CD-ROM faces genuine limitations, in terms of speed and
+comprehensiveness, in the creation of a retrieval software to run it.
+CALALUCA said he hoped that individual scholars will download the data,
+if they wish, to their personal computers, and have ready access to
+important texts on a constant basis, which they will be able to use in
+their research and from which they might even be able to publish.
+
+(CALALUCA explained that the blue numbers represented Migne's column numbers,
+which are the standard scholarly references.  Pulling up a note, he stated
+that these texts were heavily edited and the image files would appear simply
+as a note as well, so that one could quickly access an image.)
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+FLEISCHHAUER/ERWAY * Several problems with which AM is still wrestling *
+Various search and retrieval capabilities * Illustration of automatic
+stemming and a truncated search * AM's attempt to find ways to connect
+cataloging to the texts * AM's gravitation towards SGML * Striking a
+balance between quantity and quality * How AM furnishes users recourse to
+images * Conducting a search in a full-text environment * Macintosh and
+IBM prototypes of AM * Multimedia aspects of AM *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+A demonstration of American Memory by its coordinator, Carl FLEISCHHAUER,
+and Ricky ERWAY, associate coordinator, Library of Congress, concluded
+the morning session.  Beginning with a collection of broadsides from the
+Continental Congress and the Constitutional Convention, the only text
+collection in a presentable form at the time of the Workshop, FLEISCHHAUER
+highlighted several of the problems with which AM is still wrestling.
+(In its final form, the disk will contain two collections, not only the
+broadsides but also the full text with illustrations of a set of
+approximately 300 African-American pamphlets from the period 1870 to 1910.)
+
+As FREEMAN had explained earlier, AM has attempted to use a small amount
+of interpretation to introduce collections.  In the present case, the
+contractor, a company named Quick Source, in Silver Spring, MD., used
+software called Toolbook and put together a modestly interactive
+introduction to the collection.  Like the two preceding speakers,
+FLEISCHHAUER argued that the real asset was the underlying collection.
+
+FLEISCHHAUER proceeded to describe various search and retrieval
+capabilities while ERWAY worked the computer.  In this particular package
+the "go to" pull-down allowed the user in effect to jump out of Toolbook,
+where the interactive program was located, and enter the third-party
+software used by AM for this text collection, which is called Personal
+Librarian.  This was the Windows version of Personal Librarian, a
+software application put together by a company in Rockville, Md.
+
+Since the broadsides came from the Revolutionary War period, a search was
+conducted using the words British or war, with the default operator reset
+as or.  FLEISCHHAUER demonstrated both automatic stemming (which finds
+other forms of the same root) and a truncated search.  One of Personal
+Librarian's strongest features, the relevance ranking, was represented by
+a chart that indicated how often words being sought appeared in
+documents, with the one receiving the most "hits" obtaining the highest
+score.  The "hit list" that is supplied takes the relevance ranking into
+account, making the first hit, in effect, the one the software has
+selected as the most relevant example.
+
+While in the text of one of the broadside documents, FLEISCHHAUER
+remarked AM's attempt to find ways to connect cataloging to the texts,
+which it does in different ways in different manifestations.  In the case
+shown, the cataloging was pasted on:  AM took MARC records that were
+written as on-line records right into one of the Library's mainframe
+retrieval programs, pulled them out, and handed them off to the contractor,
+who massaged them somewhat to display them in the manner shown.  One of
+AM's questions is, Does the cataloguing normally performed in the mainframe
+work in this context, or had AM ought to think through adjustments?
+
+FLEISCHHAUER made the additional point that, as far as the text goes, AM
+has gravitated towards SGML (he pointed to the boldface in the upper part
+of the screen).  Although extremely limited in its ability to translate
+or interpret SGML, Personal Librarian will furnish both bold and italics
+on screen; a fairly easy thing to do, but it is one of the ways in which
+SGML is useful.
+
+Striking a balance between quantity and quality has been a major concern
+of AM, with accuracy being one of the places where project staff have
+felt that less than 100-percent accuracy was not unacceptable.
+FLEISCHHAUER cited the example of the standard of the rekeying industry,
+namely 99.95 percent; as one service bureau informed him, to go from
+99.95 to 100 percent would double the cost.
+
+FLEISCHHAUER next demonstrated how AM furnishes users recourse to images,
+and at the same time recalled LESK's pointed question concerning the
+number of people who would look at those images and the number who would
+work only with the text.  If the implication of LESK's question was
+sound, FLEISCHHAUER said, it raised the stakes for text accuracy and
+reduced the value of the strategy for images.
+
+Contending that preservation is always a bugaboo, FLEISCHHAUER
+demonstrated several images derived from a scan of a preservation
+microfilm that AM had made.  He awarded a grade of C at best, perhaps a
+C minus or a C plus, for how well it worked out.  Indeed, the matter of
+learning if other people had better ideas about scanning in general, and,
+in particular, scanning from microfilm, was one of the factors that drove
+AM to attempt to think through the agenda for the Workshop.  Skew, for
+example, was one of the issues that AM in its ignorance had not reckoned
+would prove so difficult.
+
+Further, the handling of images of the sort shown, in a desktop computer
+environment, involved a considerable amount of zooming and scrolling.
+Ultimately, AM staff feel that perhaps the paper copy that is printed out
+might be the most useful one, but they remain uncertain as to how much
+on-screen reading users will do.
+
+Returning to the text, FLEISCHHAUER asked viewers to imagine a person who
+might be conducting a search in a full-text environment.  With this
+scenario, he proceeded to illustrate other features of Personal Librarian
+that he considered helpful; for example, it provides the ability to
+notice words as one reads.  Clicking the "include" button on the bottom
+of the search window pops the words that have been highlighted into the
+search.  Thus, a user can refine the search as he or she reads,
+re-executing the search and continuing to find things in the quest for
+materials.  This software not only contains relevance ranking, Boolean
+operators, and truncation, it also permits one to perform word algebra,
+so to say, where one puts two or three words in parentheses and links
+them with one Boolean operator and then a couple of words in another set
+of parentheses and asks for things within so many words of others.
+
+Until they became acquainted recently with some of the work being done in
+classics, the AM staff had not realized that a large number of the
+projects that involve electronic texts were being done by people with a
+profound interest in language and linguistics.  Their search strategies
+and thinking are oriented to those fields, as is shown in particular by
+the Perseus example.  As amateur historians, the AM staff were thinking
+more of searching for concepts and ideas than for particular words.
+Obviously, FLEISCHHAUER conceded, searching for concepts and ideas and
+searching for words may be two rather closely related things.
+
+While displaying several images, FLEISCHHAUER observed that the Macintosh
+prototype built by AM contains a greater diversity of formats.  Echoing a
+previous speaker, he said that it was easier to stitch things together in
+the Macintosh, though it tended to be a little more anemic in search and
+retrieval.  AM, therefore, increasingly has been investigating
+sophisticated retrieval engines in the IBM format.
+
+FLEISCHHAUER demonstrated several additional examples of the prototype
+interfaces:  One was AM's metaphor for the network future, in which a
+kind of reading-room graphic suggests how one would be able to go around
+to different materials.  AM contains a large number of photographs in
+analog video form worked up from a videodisc, which enable users to make
+copies to print or incorporate in digital documents.  A frame-grabber is
+built into the system, making it possible to bring an image into a window
+and digitize or print it out.
+
+FLEISCHHAUER next demonstrated sound recording, which included texts.
+Recycled from a previous project, the collection included sixty 78-rpm
+phonograph records of political speeches that were made during and
+immediately after World War I.  These constituted approximately three
+hours of audio, as AM has digitized it, which occupy 150 megabytes on a
+CD.  Thus, they are considerably compressed.  From the catalogue card,
+FLEISCHHAUER proceeded to a transcript of a speech with the audio
+available and with highlighted text following it as it played.
+A photograph has been added and a transcription made.
+
+Considerable value has been added beyond what the Library of Congress
+normally would do in cataloguing a sound recording, which raises several
+questions for AM concerning where to draw lines about how much value it can
+afford to add and at what point, perhaps, this becomes more than AM could
+reasonably do or reasonably wish to do.  FLEISCHHAUER also demonstrated
+a motion picture.  As FREEMAN had reported earlier, the motion picture
+materials have proved the most popular, not surprisingly.  This says more
+about the medium, he thought, than about AM's presentation of it.
+
+Because AM's goal was to bring together things that could be used by
+historians or by people who were curious about history,
+turn-of-the-century footage seemed to represent the most appropriate
+collections from the Library of Congress in motion pictures. These were
+the very first films made by Thomas Edison's company and some others at
+that time.  The particular example illustrated was a Biograph film,
+brought in with a frame-grabber into a window.  A single videodisc
+contains about fifty titles and pieces of film from that period, all of
+New York City.  Taken together, AM believes, they provide an interesting
+documentary resource.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+DISCUSSION * Using the frame-grabber in AM * Volume of material processed
+and to be processed * Purpose of AM within LC * Cataloguing and the
+nature of AM's material * SGML coding and the question of quality versus
+quantity *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+During the question-and-answer period that followed FLEISCHHAUER's
+presentation, several clarifications were made.
+
+AM is bringing in motion pictures from a videodisc.  The frame-grabber
+devices create a window on a computer screen, which permits users to
+digitize a single frame of the movie or one of the photographs.  It
+produces a crude, rough-and-ready image that high school students can
+incorporate into papers, and that has worked very nicely in this way.
+
+Commenting on FLEISCHHAUER's assertion that AM was looking more at
+searching ideas than words, MYLONAS argued that without words an idea
+does not exist.  FLEISCHHAUER conceded that he ought to have articulated
+his point more clearly.  MYLONAS stated that they were in fact both
+talking about the same thing.  By searching for words and by forcing
+people to focus on the word, the Perseus Project felt that they would get
+them to the idea.  The way one reviews results is tailored more to one
+kind of user than another.
+
+Concerning the total volume of material that has been processed in this
+way, AM at this point has in retrievable form seven or eight collections,
+all of them photographic.  In the Macintosh environment, for example,
+there probably are 35,000-40,000 photographs.  The sound recordings
+number sixty items.  The broadsides number about 300 items.  There are
+500 political cartoons in the form of drawings.  The motion pictures, as
+individual items, number sixty to seventy.
+
+AM also has a manuscript collection, the life history portion of one of
+the federal project series, which will contain 2,900 individual
+documents, all first-person narratives.  AM has in process about 350
+African-American pamphlets, or about 12,000 printed pages for the period
+1870-1910.  Also in the works are some 4,000 panoramic photographs.  AM
+has recycled a fair amount of the work done by LC's Prints and
+Photographs Division during the Library's optical disk pilot project in
+the 1980s.  For example, a special division of LC has tooled up and
+thought through all the ramifications of electronic presentation of
+photographs.  Indeed, they are wheeling them out in great barrel loads.
+The purpose of AM within the Library, it is hoped, is to catalyze several
+of the other special collection divisions which have no particular
+experience with, in some cases, mixed feelings about, an activity such as
+AM.  Moreover, in many cases the divisions may be characterized as not
+only lacking experience in "electronifying" things but also in automated
+cataloguing.  MARC cataloguing as practiced in the United States is
+heavily weighted toward the description of monograph and serial
+materials, but is much thinner when one enters the world of manuscripts
+and things that are held in the Library's music collection and other
+units.  In response to a comment by LESK, that AM's material is very
+heavily photographic, and is so primarily because individual records have
+been made for each photograph, FLEISCHHAUER observed that an item-level
+catalog record exists, for example, for each photograph in the Detroit
+Publishing collection of 25,000 pictures.  In the case of the Federal
+Writers Project, for which nearly 3,000 documents exist, representing
+information from twenty-six different states, AM with the assistance of
+Karen STUART of the Manuscript Division will attempt to find some way not
+only to have a collection-level record but perhaps a MARC record for each
+state, which will then serve as an umbrella for the 100-200 documents
+that come under it.  But that drama remains to be enacted.  The AM staff
+is conservative and clings to cataloguing, though of course visitors tout
+artificial intelligence and neural networks in a manner that suggests that
+perhaps one need not have cataloguing or that much of it could be put aside.
+
+The matter of SGML coding, FLEISCHHAUER conceded, returned the discussion
+to the earlier treated question of quality versus quantity in the Library
+of Congress.  Of course, text conversion can be done with 100-percent
+accuracy, but it means that when one's holdings are as vast as LC's only
+a tiny amount will be exposed, whereas permitting lower levels of
+accuracy can lead to exposing or sharing larger amounts, but with the
+quality correspondingly impaired.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+TWOHIG * A contrary experience concerning electronic options * Volume of
+material in the Washington papers and a suggestion of David Packard *
+Implications of Packard's suggestion * Transcribing the documents for the
+CD-ROM * Accuracy of transcriptions * The CD-ROM edition of the Founding
+Fathers documents *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Finding encouragement in a comment of MICHELSON's from the morning
+session--that numerous people in the humanities were choosing electronic
+options to do their work--Dorothy TWOHIG, editor, The Papers of George
+Washington, opened her illustrated talk by noting that her experience
+with literary scholars and numerous people in editing was contrary to
+MICHELSON's.  TWOHIG emphasized literary scholars' complete ignorance of
+the technological options available to them or their reluctance or, in
+some cases, their downright hostility toward these options.
+
+After providing an overview of the five Founding Fathers projects
+(Jefferson at Princeton, Franklin at Yale, John Adams at the
+Massachusetts Historical Society, and Madison down the hall from her at
+the University of Virginia), TWOHIG observed that the Washington papers,
+like all of the projects, include both sides of the Washington
+correspondence and deal with some 135,000 documents to be published with
+extensive annotation in eighty to eighty-five volumes, a project that
+will not be completed until well into the next century.  Thus, it was
+with considerable enthusiasm several years ago that the Washington Papers
+Project (WPP) greeted David Packard's suggestion that the papers of the
+Founding Fathers could be published easily and inexpensively, and to the
+great benefit of American scholarship, via CD-ROM.
+
+In pragmatic terms, funding from the Packard Foundation would expedite
+the transcription of thousands of documents waiting to be put on disk in
+the WPP offices.  Further, since the costs of collecting, editing, and
+converting the Founding Fathers documents into letterpress editions were
+running into the millions of dollars, and the considerable staffs
+involved in all of these projects were devoting their careers to
+producing the work, the Packard Foundation's suggestion had a
+revolutionary aspect:  Transcriptions of the entire corpus of the
+Founding Fathers papers would be available on CD-ROM to public and
+college libraries, even high schools, at a fraction of the cost--
+$100-$150 for the annual license fee--to produce a limited university
+press run of 1,000 of each volume of the published papers at $45-$150 per
+printed volume.  Given the current budget crunch in educational systems
+and the corresponding constraints on librarians in smaller institutions
+who wish to add these volumes to their collections, producing the
+documents on CD-ROM would likely open a greatly expanded audience for the
+papers.  TWOHIG stressed, however, that development of the Founding
+Fathers CD-ROM is still in its infancy.  Serious software problems remain
+to be resolved before the material can be put into readable form.
+
+Funding from the Packard Foundation resulted in a major push to
+transcribe the 75,000 or so documents of the Washington papers remaining
+to be transcribed onto computer disks.  Slides illustrated several of the
+problems encountered, for example, the present inability of CD-ROM to
+indicate the cross-outs (deleted material) in eighteenth century
+documents.  TWOHIG next described documents from various periods in the
+eighteenth century that have been transcribed in chronological order and
+delivered to the Packard offices in California, where they are converted
+to the CD-ROM, a process that is expected to consume five years to
+complete (that is, reckoning from David Packard's suggestion made several
+years ago, until about July 1994).  TWOHIG found an encouraging
+indication of the project's benefits in the ongoing use made by scholars
+of the search functions of the CD-ROM, particularly in reducing the time
+spent in manually turning the pages of the Washington papers.
+
+TWOHIG next furnished details concerning the accuracy of transcriptions.
+For instance, the insertion of thousands of documents on the CD-ROM
+currently does not permit each document to be verified against the
+original manuscript several times as in the case of documents that appear
+in the published edition.  However, the transcriptions receive a cursory
+check for obvious typos, the misspellings of proper names, and other
+errors from the WPP CD-ROM editor.  Eventually, all documents that appear
+in the electronic version will be checked by project editors.  Although
+this process has met with opposition from some of the editors on the
+grounds that imperfect work may leave their offices, the advantages in
+making this material available as a research tool outweigh  fears about the
+misspelling of proper names and other relatively minor editorial matters.
+
+Completion of all five Founding Fathers projects (i.e., retrievability
+and searchability of all of the documents by proper names, alternate
+spellings, or varieties of subjects) will provide one of the richest
+sources of this size for the history of the United States in the latter
+part of the eighteenth century.  Further, publication on CD-ROM will
+allow editors to include even minutiae, such as laundry lists, not
+included in the printed volumes.
+
+It seems possible that the extensive annotation provided in the printed
+volumes eventually will be added to the CD-ROM edition, pending
+negotiations with the publishers of the papers.  At the moment, the
+Founding Fathers CD-ROM is accessible only on the IBYCUS, a computer
+developed out of the Thesaurus Linguae Graecae project and designed for
+the use of classical scholars.  There are perhaps 400 IBYCUS computers in
+the country, most of which are in university classics departments.
+Ultimately, it is anticipated that the CD-ROM edition of the Founding
+Fathers documents will run on any IBM-compatible or Macintosh computer
+with a CD-ROM drive.  Numerous changes in the software will also occur
+before the project is completed.  (Editor's note: an IBYCUS was
+unavailable to demonstrate the CD-ROM.)
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+DISCUSSION * Several additional features of WPP clarified *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Discussion following TWOHIG's presentation served to clarify several
+additional features, including (1) that the project's primary
+intellectual product consists in the electronic transcription of the
+material; (2) that the text transmitted to the CD-ROM people is not
+marked up; (3) that cataloging and subject-indexing of the material
+remain to be worked out (though at this point material can be retrieved
+by name); and (4) that because all the searching is done in the hardware,
+the IBYCUS is designed to read a CD-ROM which contains only sequential
+text files.  Technically, it then becomes very easy to read the material
+off and put it on another device.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+LEBRON * Overview of the history of the joint project between AAAS and
+OCLC * Several practices the on-line environment shares with traditional
+publishing on hard copy * Several technical and behavioral barriers to
+electronic publishing * How AAAS and OCLC arrived at the subject of
+clinical trials * Advantages of the electronic format and other features
+of OJCCT * An illustrated tour of the journal *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Maria LEBRON, managing editor, The Online Journal of Current Clinical
+Trials (OJCCT), presented an illustrated overview of the history of the
+joint project between the American Association for the Advancement of
+Science (AAAS) and the Online Computer Library Center, Inc. (OCLC).  The
+joint venture between AAAS and OCLC owes its beginning to a
+reorganization launched by the new chief executive officer at OCLC about
+three years ago and combines the strengths of these two disparate
+organizations.  In short, OJCCT represents the process of scholarly
+publishing on line.
+
+LEBRON next discussed several practices the on-line environment shares
+with traditional publishing on hard copy--for example, peer review of
+manuscripts--that are highly important in the academic world.  LEBRON
+noted in particular the implications of citation counts for tenure
+committees and grants committees.  In the traditional hard-copy
+environment, citation counts are readily demonstrable, whereas the
+on-line environment represents an ethereal medium to most academics.
+
+LEBRON remarked several technical and behavioral barriers to electronic
+publishing, for instance, the problems in transmission created by special
+characters or by complex graphics and halftones.  In addition, she noted
+economic limitations such as the storage costs of maintaining back issues
+and market or audience education.
+
+Manuscripts cannot be uploaded to OJCCT, LEBRON explained, because it is
+not a bulletin board or E-mail, forms of electronic transmission of
+information that have created an ambience clouding people's understanding
+of what the journal is attempting to do.  OJCCT, which publishes
+peer-reviewed medical articles dealing with the subject of clinical
+trials, includes text, tabular material, and graphics, although at this
+time it can transmit only line illustrations.
+
+Next, LEBRON described how AAAS and OCLC arrived at the subject of
+clinical trials:  It is 1) a highly statistical discipline that 2) does
+not require halftones but can satisfy the needs of its audience with line
+illustrations and graphic material, and 3) there is a need for the speedy
+dissemination of high-quality research results.  Clinical trials are
+research activities that involve the administration of a test treatment
+to some experimental unit in order to test its usefulness before it is
+made available to the general population.  LEBRON proceeded to give
+additional information on OJCCT concerning its editor-in-chief, editorial
+board, editorial content, and the types of articles it publishes
+(including peer-reviewed research reports and reviews), as well as
+features shared by other traditional hard-copy journals.
+
+Among the advantages of the electronic format are faster dissemination of
+information, including raw data, and the absence of space constraints
+because pages do not exist.  (This latter fact creates an interesting
+situation when it comes to citations.)  Nor are there any issues.  AAAS's
+capacity to download materials directly from the journal to a
+subscriber's printer, hard drive, or floppy disk helps ensure highly
+accurate transcription.  Other features of OJCCT include on-screen alerts
+that allow linkage of subsequently published documents to the original
+documents; on-line searching by subject, author, title, etc.; indexing of
+every single word that appears in an article; viewing access to an
+article by component (abstract, full text, or graphs); numbered
+paragraphs to replace page counts; publication in Science every thirty
+days of indexing of all articles published in the journal;
+typeset-quality screens; and Hypertext links that enable subscribers to
+bring up Medline abstracts directly without leaving the journal.
+
+After detailing the two primary ways to gain access to the journal,
+through the OCLC network and Compuserv if one desires graphics or through
+the Internet if just an ASCII file is desired, LEBRON illustrated the
+speedy editorial process and the coding of the document using SGML tags
+after it has been accepted for publication.  She also gave an illustrated
+tour of the journal, its search-and-retrieval capabilities in particular,
+but also including problems associated with scanning in illustrations,
+and the importance of on-screen alerts to the medical profession re
+retractions or corrections, or more frequently, editorials, letters to
+the editors, or follow-up reports.  She closed by inviting the audience
+to join AAAS on 1 July, when OJCCT was scheduled to go on-line.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+DISCUSSION * Additional features of OJCCT *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+In the lengthy discussion that followed LEBRON's presentation, these
+points emerged:
+
+     * The SGML text can be tailored as users wish.
+
+     * All these articles have a fairly simple document definition.
+
+     * Document-type definitions (DTDs) were developed and given to OJCCT
+     for coding.
+
+     * No articles will be removed from the journal.  (Because there are
+     no back issues, there are no lost issues either.  Once a subscriber
+     logs onto the journal he or she has access not only to the currently
+     published materials, but retrospectively to everything that has been
+     published in it.  Thus the table of contents grows bigger.  The date
+     of publication serves to distinguish between currently published
+     materials and older materials.)
+
+     * The pricing system for the journal resembles that for most medical
+     journals:  for 1992, $95 for a year, plus telecommunications charges
+     (there are no connect time charges);    for 1993, $110 for the
+     entire year for single users, though the journal can be put on a
+     local area network (LAN).  However, only one person can access the
+     journal at a time.  Site licenses may come in the future.
+
+     * AAAS is working closely with colleagues at OCLC to display
+     mathematical equations on screen.
+
+     * Without compromising any steps in the editorial process, the
+     technology has reduced the time lag between when a manuscript is
+     originally submitted and the time it is accepted; the review process
+     does not differ greatly from the standard six-to-eight weeks
+     employed by many of the hard-copy journals.  The process still
+     depends on people.
+
+     * As far as a preservation copy is concerned, articles will be
+     maintained on the computer permanently and subscribers, as part of
+     their subscription, will receive a microfiche-quality archival copy
+     of everything published during that year; in addition, reprints can
+     be purchased in much the same way as in a hard-copy environment.
+     Hard copies are prepared but are not the primary medium for the
+     dissemination of the information.
+
+     * Because OJCCT is not yet on line, it is difficult to know how many
+     people would simply browse through the journal on the screen as
+     opposed to downloading the whole thing and printing it out; a mix of
+     both types of users likely will result.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+PERSONIUS * Developments in technology over the past decade * The CLASS
+Project * Advantages for technology and for the CLASS Project *
+Developing a network application an underlying assumption of the project
+* Details of the scanning process * Print-on-demand copies of books *
+Future plans include development of a browsing tool *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Lynne PERSONIUS, assistant director, Cornell Information Technologies for
+Scholarly Information Services, Cornell University, first commented on
+the tremendous impact that developments in technology over the past ten
+years--networking, in particular--have had on the way information is
+handled, and how, in her own case, these developments have counterbalanced
+Cornell's relative geographical isolation.  Other significant technologies
+include scanners, which are much more sophisticated than they were ten years
+ago; mass storage and the dramatic savings that result from it in terms of
+both space and money relative to twenty or thirty years ago; new and
+improved printing technologies, which have greatly affected the distribution
+of information; and, of course, digital technologies, whose applicability to
+library preservation remains at issue.
+
+Given that context, PERSONIUS described the College Library Access and
+Storage System (CLASS) Project, a library preservation project,
+primarily, and what has been accomplished.  Directly funded by the
+Commission on Preservation and Access and by the Xerox Corporation, which
+has provided a significant amount of hardware, the CLASS Project has been
+working with a development team at Xerox to develop a software
+application tailored to library preservation requirements.  Within
+Cornell, participants in the project have been working jointly with both
+library and information technologies.  The focus of the project has been
+on reformatting and saving books that are in brittle condition.
+PERSONIUS showed Workshop participants a brittle book, and described how
+such books were the result of developments in papermaking around the
+beginning of the Industrial Revolution.  The papermaking process was
+changed so that a significant amount of acid was introduced into the
+actual paper itself, which deteriorates as it sits on library shelves.
+
+One of the advantages for technology and for the CLASS Project is that
+the information in brittle books is mostly out of copyright and thus
+offers an opportunity to work with material that requires library
+preservation, and to create and work on an infrastructure to save the
+material.  Acknowledging the familiarity of those working in preservation
+with this information, PERSONIUS noted that several things are being
+done:  the primary preservation technology used today is photocopying of
+brittle material.  Saving the intellectual content of the material is the
+main goal.  With microfilm copy, the intellectual content is preserved on
+the assumption that in the future the image can be reformatted in any
+other way that then exists.
+
+An underlying assumption of the CLASS Project from the beginning was
+that it would develop a network application.  Project staff scan books
+at a workstation located in the library, near the brittle material.
+An image-server filing system is located at a distance from that
+workstation, and a printer is located in another building.  All of the
+materials digitized and stored on the image-filing system are cataloged
+in the on-line catalogue.  In fact, a record for each of these electronic
+books is stored in the RLIN database so that a record exists of what is
+in the digital library throughout standard catalogue procedures.  In the
+future, researchers working from their own workstations in their offices,
+or their networks, will have access--wherever they might be--through a
+request server being built into the new digital library.  A second
+assumption is that the preferred means of finding the material will be by
+looking through a catalogue.  PERSONIUS described the scanning process,
+which uses a prototype scanner being developed by Xerox and which scans a
+very high resolution image at great speed.  Another significant feature,
+because this is a preservation application, is the placing of the pages
+that fall apart one for one on the platen.  Ordinarily, a scanner could
+be used with some sort of a document feeder, but because of this
+application that is not feasible.  Further, because CLASS is a
+preservation application, after the paper replacement is made there, a
+very careful quality control check is performed.  An original book is
+compared to the printed copy and verification is made, before proceeding,
+that all of the image, all of the information, has been captured.  Then,
+a new library book is produced:  The printed images are rebound by a
+commercial binder and a new book is returned to the shelf.
+Significantly, the books returned to the library shelves are beautiful
+and useful replacements on acid-free paper that should last a long time,
+in effect, the equivalent of preservation photocopies.  Thus, the project
+has a library of digital books.  In essence, CLASS is scanning and
+storing books as 600 dot-per-inch bit-mapped images, compressed using
+Group 4 CCITT (i.e., the French acronym for International Consultative
+Committee for Telegraph and Telephone) compression.  They are stored as
+TIFF files on an optical filing system that is composed of a database
+used for searching and locating the books and an optical jukebox that
+stores 64 twelve-inch platters.  A very-high-resolution printed copy of
+these books at 600 dots per inch is created, using a Xerox DocuTech
+printer to make the paper replacements on acid-free paper.
+
+PERSONIUS maintained that the CLASS Project presents an opportunity to
+introduce people to books as digital images by using a paper medium.
+Books are returned to the shelves while people are also given the ability
+to print on demand--to make their own copies of books.  (PERSONIUS
+distributed copies of an engineering journal published by engineering
+students at Cornell around 1900 as an example of what a print-on-demand
+copy of material might be like.  This very cheap copy would be available
+to people to use for their own research purposes and would bridge the gap
+between an electronic work and the paper that readers like to have.)
+PERSONIUS then attempted to illustrate a very early prototype of
+networked access to this digital library.  Xerox Corporation has
+developed a prototype of a view station that can send images across the
+network to be viewed.
+
+The particular library brought down for demonstration contained two
+mathematics books.  CLASS is developing and will spend the next year
+developing an application that allows people at workstations to browse
+the books.  Thus, CLASS is developing a browsing tool, on the assumption
+that users do not want to read an entire book from a workstation, but
+would prefer to be able to look through and decide if they would like to
+have a printed copy of it.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+DISCUSSION * Re retrieval software * "Digital file copyright" * Scanning
+rate during production * Autosegmentation * Criteria employed in
+selecting books for scanning * Compression and decompression of images *
+OCR not precluded *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+During the question-and-answer period that followed her presentation,
+PERSONIUS made these additional points:
+
+     * Re retrieval software, Cornell is developing a Unix-based server
+     as well as clients for the server that support multiple platforms
+     (Macintosh, IBM and Sun workstations), in the hope that people from
+     any of those platforms will retrieve books; a further operating
+     assumption is that standard interfaces will be used as much as
+     possible, where standards can be put in place, because CLASS
+     considers this retrieval software a library application and would
+     like to be able to look at material not only at Cornell but at other
+     institutions.
+
+     * The phrase "digital file copyright by Cornell University" was
+     added at the advice of Cornell's legal staff with the caveat that it
+     probably would not hold up in court.  Cornell does not want people
+     to copy its books and sell them but would like to keep them
+     available for use in a library environment for library purposes.
+
+     * In production the scanner can scan about 300 pages per hour,
+     capturing 600 dots per inch.
+
+     * The Xerox software has filters to scan halftone material and avoid
+     the moire patterns that occur when halftone material is scanned.
+     Xerox has been working on hardware and software that would enable
+     the scanner itself to recognize this situation and deal with it
+     appropriately--a kind of autosegmentation that would enable the
+     scanner to handle halftone material as well as text on a single page.
+
+     * The books subjected to the elaborate process described above were
+     selected because CLASS is a preservation project, with the first 500
+     books selected coming from Cornell's mathematics collection, because
+     they were still being heavily used and because, although they were
+     in need of preservation, the mathematics library and the mathematics
+     faculty were uncomfortable having them microfilmed.  (They wanted a
+     printed copy.)  Thus, these books became a logical choice for this
+     project.  Other books were chosen by the project's selection committees
+     for experiments with the technology, as well as to meet a demand or need.
+
+     * Images will be decompressed before they are sent over the line; at
+     this time they are compressed and sent to the image filing system
+     and then sent to the printer as compressed images; they are returned
+     to the workstation as compressed 600-dpi images and the workstation
+     decompresses and scales them for display--an inefficient way to
+     access the material though it works quite well for printing and
+     other purposes.
+
+     * CLASS is also decompressing on Macintosh and IBM, a slow process
+     right now.  Eventually, compression and decompression will take
+     place on an image conversion server.  Trade-offs will be made, based
+     on future performance testing, concerning where the file is
+     compressed and what resolution image is sent.
+
+     * OCR has not been precluded; images are being stored that have been
+     scanned at a high resolution, which presumably would suit them well
+     to an OCR process.  Because the material being scanned is about 100
+     years old and was printed with less-than-ideal technologies, very
+     early and preliminary tests have not produced good results.  But the
+     project is capturing an image that is of sufficient resolution to be
+     subjected to OCR in the future.  Moreover, the system architecture
+     and the system plan have a logical place to store an OCR image if it
+     has been captured.  But that is not being done now.
+
+                                 ******
+
+SESSION III.  DISTRIBUTION, NETWORKS, AND NETWORKING:  OPTIONS FOR
+DISSEMINATION
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+ZICH * Issues pertaining to CD-ROMs * Options for publishing in CD-ROM *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Robert ZICH, special assistant to the associate librarian for special
+projects, Library of Congress, and moderator of this session, first noted
+the blessed but somewhat awkward circumstance of having four very
+distinguished people representing networks and networking or at least
+leaning in that direction, while lacking anyone to speak from the
+strongest possible background in CD-ROMs.  ZICH expressed the hope that
+members of the audience would join the discussion.  He stressed the
+subtitle of this particular session, "Options for Dissemination," and,
+concerning CD-ROMs, the importance of determining when it would be wise
+to consider dissemination in CD-ROM versus networks.  A shopping list of
+issues pertaining to CD-ROMs included:  the grounds for selecting
+commercial publishers, and in-house publication where possible versus
+nonprofit or government publication.  A similar list for networks
+included:  determining when one should consider dissemination through a
+network, identifying the mechanisms or entities that exist to place items
+on networks, identifying the pool of existing networks, determining how a
+producer  would choose between networks, and identifying the elements of
+a business arrangement in a network.
+
+Options for publishing in CD-ROM:  an outside publisher versus
+self-publication.  If an outside publisher is used, it can be nonprofit,
+such as the Government Printing Office (GPO) or the National Technical
+Information Service (NTIS), in the case of government.  The pros and cons
+associated with employing an outside publisher are obvious.  Among the
+pros, there is no trouble getting accepted.  One pays the bill and, in
+effect, goes one's way.  Among the cons, when one pays an outside
+publisher to perform the work, that publisher will perform the work it is
+obliged to do, but perhaps without the production expertise and skill in
+marketing and dissemination that some would seek.  There is the body of
+commercial publishers that do possess that kind of expertise in
+distribution and marketing but that obviously are selective.  In
+self-publication, one exercises full control, but then one must handle
+matters such as distribution and marketing.  Such are some of the options
+for publishing in the case of CD-ROM.
+
+In the case of technical and design issues, which are also important,
+there are many matters which many at the Workshop already knew a good
+deal about:  retrieval system requirements and costs, what to do about
+images, the various capabilities and platforms, the trade-offs between
+cost and performance, concerns about local-area networkability,
+interoperability, etc.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+LYNCH * Creating networked information is different from using networks
+as an access or dissemination vehicle * Networked multimedia on a large
+scale does not yet work * Typical CD-ROM publication model a two-edged
+sword * Publishing information on a CD-ROM in the present world of
+immature standards * Contrast between CD-ROM and network pricing *
+Examples demonstrated earlier in the day as a set of insular information
+gems * Paramount need to link databases * Layering to become increasingly
+necessary * Project NEEDS and the issues of information reuse and active
+versus passive use * X-Windows as a way of differentiating between
+network access and networked information * Barriers to the distribution
+of networked multimedia information * Need for good, real-time delivery
+protocols * The question of presentation integrity in client-server
+computing in the academic world * Recommendations for producing multimedia
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Clifford LYNCH, director, Library Automation, University of California,
+opened his talk with the general observation that networked information
+constituted a difficult and elusive topic because it is something just
+starting to develop and not yet fully understood.  LYNCH contended that
+creating genuinely networked information was different from using
+networks as an access or dissemination vehicle and was more sophisticated
+and more subtle.  He invited the members of the audience to extrapolate,
+from what they heard about the preceding demonstration projects, to what
+sort of a world of electronics information--scholarly, archival,
+cultural, etc.--they wished to end up with ten or fifteen years from now.
+LYNCH suggested that to extrapolate directly from these projects would
+produce unpleasant results.
+
+Putting the issue of CD-ROM in perspective before getting into
+generalities on networked information, LYNCH observed that those engaged
+in multimedia today who wish to ship a product, so to say, probably do
+not have much choice except to use CD-ROM:  networked multimedia on a
+large scale basically does not yet work because the technology does not
+exist.  For example, anybody who has tried moving images around over the
+Internet knows that this is an exciting touch-and-go process, a
+fascinating and fertile area for experimentation, research, and
+development, but not something that one can become deeply enthusiastic
+about committing to production systems at this time.
+
+This situation will change, LYNCH said.  He differentiated CD-ROM from
+the practices that have been followed up to now in distributing data on
+CD-ROM.  For LYNCH the problem with CD-ROM is not its portability or its
+slowness but the two-edged sword of having the retrieval application and
+the user interface inextricably bound up with the data, which is the
+typical CD-ROM publication model.  It is not a case of publishing data
+but of distributing a typically stand-alone, typically closed system,
+all--software, user interface, and data--on a little disk.  Hence, all
+the between-disk navigational issues as well as the impossibility in most
+cases of integrating data on one disk with that on another.  Most CD-ROM
+retrieval software does not network very gracefully at present.  However,
+in the present world of immature standards and lack of understanding of
+what network information is or what the ground rules are for creating or
+using it, publishing information on a CD-ROM does add value in a very
+real sense.
+
+LYNCH drew a contrast between CD-ROM and network pricing and in doing so
+highlighted something bizarre in information pricing.  A large
+institution such as the University of California has vendors who will
+offer to sell information on CD-ROM for a price per year in four digits,
+but for the same data (e.g., an abstracting and indexing database) on
+magnetic tape, regardless of how many people may use it concurrently,
+will quote a price in six digits.
+
+What is packaged with the CD-ROM in one sense adds value--a complete
+access system, not just raw, unrefined information--although it is not
+generally perceived that way.  This is because the access software,
+although it adds value, is viewed by some people, particularly in the
+university environment where there is a very heavy commitment to
+networking, as being developed in the wrong direction.
+
+Given that context, LYNCH described the examples demonstrated as a set of
+insular information gems--Perseus, for example, offers nicely linked
+information, but would be very difficult to integrate with other
+databases, that is, to link together seamlessly with other source files
+from other sources.  It resembles an island, and in this respect is
+similar to numerous stand-alone projects that are based on videodiscs,
+that is, on the single-workstation concept.
+
+As scholarship evolves in a network environment, the paramount need will
+be to link databases.  We must link personal databases to public
+databases, to group databases, in fairly seamless ways--which is
+extremely difficult in the environments under discussion with copies of
+databases proliferating all over the place.
+
+The notion of layering also struck LYNCH as lurking in several of the
+projects demonstrated.  Several databases in a sense constitute
+information archives without a significant amount of navigation built in.
+Educators, critics, and others will want a layered structure--one that
+defines or links paths through the layers to allow users to reach
+specific points.  In LYNCH's view, layering will become increasingly
+necessary, and not just within a single resource but across resources
+(e.g., tracing mythology and cultural themes across several classics
+databases as well as a database of Renaissance culture).  This ability to
+organize resources, to build things out of multiple other things on the
+network or select pieces of it, represented for LYNCH one of the key
+aspects of network information.
+
+Contending that information reuse constituted another significant issue,
+LYNCH commended to the audience's attention Project NEEDS (i.e., National
+Engineering Education Delivery System).  This project's objective is to
+produce a database of engineering courseware as well as the components
+that can be used to develop new courseware.  In a number of the existing
+applications, LYNCH said, the issue of reuse (how much one can take apart
+and reuse in other applications) was not being well considered.  He also
+raised the issue of active versus passive use, one aspect of which  is
+how much information will be manipulated locally by users.  Most people,
+he argued, may do a little browsing and then will wish to print.  LYNCH
+was uncertain how these resources would be used by the vast majority of
+users in the network environment.
+
+LYNCH next said a few words about X-Windows as a way of differentiating
+between network access and networked information.  A number of the
+applications demonstrated at the Workshop could be rewritten to use X
+across the network, so that one could run them from any X-capable device-
+-a workstation, an X terminal--and transact with a database across the
+network.  Although this opens up access a little, assuming one has enough
+network to handle it, it does not provide an interface to develop a
+program that conveniently integrates information from multiple databases.
+X is a viewing technology that has limits.  In a real sense, it is just a
+graphical version of remote log-in across the network.  X-type applications
+represent only one step in the progression towards real access.
+
+LYNCH next discussed barriers to the distribution of networked multimedia
+information.  The heart of the problem is a lack of standards to provide
+the ability for computers to talk to each other, retrieve information,
+and shuffle it around fairly casually.  At the moment, little progress is
+being made on standards for networked information; for example, present
+standards do not cover images, digital voice, and digital video.  A
+useful tool kit of exchange formats for basic texts is only now being
+assembled.  The synchronization of content streams (i.e., synchronizing a
+voice track to a video track, establishing temporal relations between
+different components in a multimedia object) constitutes another issue
+for networked multimedia that is just beginning to receive attention.
+
+Underlying network protocols also need some work; good, real-time
+delivery protocols on the Internet do not yet exist.  In LYNCH's view,
+highly important in this context is the notion of networked digital
+object IDs, the ability of one object on the network to point to another
+object (or component thereof) on the network.  Serious bandwidth issues
+also exist.  LYNCH was uncertain if billion-bit-per-second networks would
+prove sufficient if numerous people ran video in parallel.
+
+LYNCH concluded by offering an issue for database creators to consider,
+as well as several comments about what might constitute good trial
+multimedia experiments.  In a networked information world the database
+builder or service builder (publisher) does not exercise the same
+extensive control over the integrity of the presentation; strange
+programs "munge" with one's data before the user sees it.  Serious
+thought must be given to what guarantees integrity of presentation.  Part
+of that is related to where one draws the boundaries around a networked
+information service.  This question of presentation integrity in
+client-server computing has not been stressed enough in the academic
+world, LYNCH argued, though commercial service providers deal with it
+regularly.
+
+Concerning multimedia, LYNCH observed that good multimedia at the moment
+is hideously expensive to produce.  He recommended producing multimedia
+with either very high sale value, or multimedia with a very long life
+span, or multimedia that will have a very broad usage base and whose
+costs therefore can be amortized among large numbers of users.  In this
+connection, historical and humanistically oriented material may be a good
+place to start, because it tends to have a longer life span than much of
+the scientific material, as well as a wider user base.  LYNCH noted, for
+example, that American Memory fits many of the criteria outlined.  He
+remarked the extensive discussion about bringing the Internet or the
+National Research and Education Network (NREN) into the K-12 environment
+as a way of helping the American educational system.
+
+LYNCH closed by noting that the kinds of applications demonstrated struck
+him as excellent justifications of broad-scale networking for K-12, but
+that at this time no "killer" application exists to mobilize the K-12
+community to obtain connectivity.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+DISCUSSION * Dearth of genuinely interesting applications on the network
+a slow-changing situation * The issue of the integrity of presentation in
+a networked environment * Several reasons why CD-ROM software does not
+network *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+During the discussion period that followed LYNCH's presentation, several
+additional points were made.
+
+LYNCH reiterated even more strongly his contention that, historically,
+once one goes outside high-end science and the group of those who need
+access to supercomputers, there is a great dearth of genuinely
+interesting applications on the network.  He saw this situation changing
+slowly, with some of the scientific databases and scholarly discussion
+groups and electronic journals coming on as well as with the availability
+of Wide Area Information Servers (WAIS) and some of the databases that
+are being mounted there.  However, many of those things do not seem to
+have piqued great popular interest.  For instance, most high school
+students of LYNCH's acquaintance would not qualify as devotees of serious
+molecular biology.
+
+Concerning the issue of the integrity of presentation, LYNCH believed
+that a couple of information providers have laid down the law at least on
+certain things.  For example, his recollection was that the National
+Library of Medicine feels strongly that one needs to employ the
+identifier field if he or she is to mount a database commercially.  The
+problem with a real networked environment is that one does not know who
+is reformatting and reprocessing one's data when one enters a client
+server mode.  It becomes anybody's guess, for example, if the network
+uses a Z39.50 server, or what clients are doing with one's data.  A data
+provider can say that his contract will only permit clients to have
+access to his data after he vets them and their presentation and makes
+certain it suits him.  But LYNCH held out little expectation that the
+network marketplace would evolve in that way, because it required too
+much prior negotiation.
+
+CD-ROM software does not network for a variety of reasons, LYNCH said.
+He speculated that CD-ROM publishers are not eager to have their products
+really hook into wide area networks, because they fear it will make their
+data suppliers nervous.  Moreover, until relatively recently, one had to
+be rather adroit to run a full TCP/IP stack plus applications on a
+PC-size machine, whereas nowadays it is becoming easier as PCs grow
+bigger and faster.  LYNCH also speculated that software providers had not
+heard from their customers until the last year or so, or had not heard
+from enough of their customers.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+BESSER * Implications of disseminating images on the network; planning
+the distribution of multimedia documents poses two critical
+implementation problems * Layered approach represents the way to deal
+with users' capabilities * Problems in platform design; file size and its
+implications for networking * Transmission of megabyte size images
+impractical * Compression and decompression at the user's end * Promising
+trends for compression * A disadvantage of using X-Windows * A project at
+the Smithsonian that mounts images on several networks *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Howard BESSER, School of Library and Information Science, University of
+Pittsburgh, spoke primarily about multimedia, focusing on images and the
+broad implications of disseminating them on the network.  He argued that
+planning the distribution of multimedia documents posed two critical
+implementation problems, which he framed in the form of two questions:
+1) What platform will one use and what hardware and software will users
+have for viewing of the material?  and 2) How can one deliver a
+sufficiently robust set of information in an accessible format in a
+reasonable amount of time?  Depending on whether network or CD-ROM is the
+medium used, this question raises different issues of storage,
+compression, and transmission.
+
+Concerning the design of platforms (e.g., sound, gray scale, simple
+color, etc.) and the various capabilities users may have, BESSER
+maintained that a layered approach was the way to deal with users'
+capabilities.  A result would be that users with less powerful
+workstations would simply have less functionality.  He urged members of
+the audience to advocate standards and accompanying software that handle
+layered functionality across a wide variety of platforms.
+
+BESSER also addressed problems in platform design, namely, deciding how
+large a machine to design for situations when the largest number of users
+have the lowest level of the machine, and one desires higher
+functionality.  BESSER then proceeded to the question of file size and
+its implications for networking.  He discussed still images in the main.
+For example, a digital color image that fills the screen of a standard
+mega-pel workstation (Sun or Next) will require one megabyte of storage
+for an eight-bit image or three megabytes of storage for a true color or
+twenty-four-bit image.  Lossless compression algorithms (that is,
+computational procedures in which no data is lost in the process of
+compressing [and decompressing] an image--the exact bit-representation is
+maintained) might bring storage down to a third of a megabyte per image,
+but not much further than that.  The question of size makes it difficult
+to fit an appropriately sized set of these images on a single disk or to
+transmit them quickly enough on a network.
+
+With these full screen mega-pel images that constitute a third of a
+megabyte, one gets 1,000-3,000 full-screen images on a one-gigabyte disk;
+a standard CD-ROM represents approximately 60 percent of that.  Storing
+images the size of a PC screen (just 8 bit color) increases storage
+capacity to 4,000-12,000 images per gigabyte; 60 percent of that gives
+one the size of a CD-ROM, which in turn creates a major problem.  One
+cannot have full-screen, full-color images with lossless compression; one
+must compress them or use a lower resolution.  For megabyte-size images,
+anything slower than a T-1 speed is impractical.  For example, on a
+fifty-six-kilobaud line, it takes three minutes to transfer a
+one-megabyte file, if it is not compressed; and this speed assumes ideal
+circumstances (no other user contending for network bandwidth).  Thus,
+questions of disk access, remote display, and current telephone
+connection speed make transmission of megabyte-size images impractical.
+
+BESSER then discussed ways to deal with these large images, for example,
+compression and decompression at the user's end.  In this connection, the
+issues of how much one is willing to lose in the compression process and
+what image quality one needs in the first place are unknown.  But what is
+known is that compression entails some loss of data.  BESSER urged that
+more studies be conducted on image quality in different situations, for
+example, what kind of images are needed for what kind of disciplines, and
+what kind of image quality is needed for a browsing tool, an intermediate
+viewing tool, and archiving.
+
+BESSER remarked two promising trends for compression:  from a technical
+perspective, algorithms that use what is called subjective redundancy
+employ principles from visual psycho-physics to identify and remove
+information from the image that the human eye cannot perceive; from an
+interchange and interoperability perspective, the JPEG (i.e., Joint
+Photographic Experts Group, an ISO standard) compression algorithms also
+offer promise.  These issues of compression and decompression, BESSER
+argued, resembled those raised earlier concerning the design of different
+platforms.  Gauging the capabilities of potential users constitutes a
+primary goal.  BESSER advocated layering or separating the images from
+the applications that retrieve and display them, to avoid tying them to
+particular software.
+
+BESSER detailed several lessons learned from his work at Berkeley with
+Imagequery, especially the advantages and disadvantages of using
+X-Windows.  In the latter category, for example, retrieval is tied
+directly to one's data, an intolerable situation in the long run on a
+networked system.  Finally, BESSER described a project of Jim Wallace at
+the Smithsonian Institution, who is mounting images in a extremely
+rudimentary way on the Compuserv and Genie networks and is preparing to
+mount them on America On Line.  Although the average user takes over
+thirty minutes to download these images (assuming a fairly fast modem),
+nevertheless, images have been downloaded 25,000 times.
+
+BESSER concluded his talk with several comments on the business
+arrangement between the Smithsonian and Compuserv.  He contended that not
+enough is known concerning the value of images.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+DISCUSSION * Creating digitized photographic collections nearly
+impossible except with large organizations like museums * Need for study
+to determine quality of images users will tolerate *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+During the brief exchange between LESK and BESSER that followed, several
+clarifications emerged.
+
+LESK argued that the photographers were far ahead of BESSER:  It is
+almost impossible to create such digitized photographic collections
+except with large organizations like museums, because all the
+photographic agencies have been going crazy about this and will not sign
+licensing agreements on any sort of reasonable terms.  LESK had heard
+that National Geographic, for example, had tried to buy the right to use
+some image in some kind of educational production for $100 per image, but
+the photographers will not touch it.  They want accounting and payment
+for each use, which cannot be accomplished within the system.  BESSER
+responded that a consortium of photographers, headed by a former National
+Geographic photographer, had started assembling its own collection of
+electronic reproductions of images, with the money going back to the
+cooperative.
+
+LESK contended that BESSER was unnecessarily pessimistic about multimedia
+images, because people are accustomed to low-quality images, particularly
+from video.  BESSER urged the launching of a study to determine what
+users would tolerate, what they would feel comfortable with, and what
+absolutely is the highest quality they would ever need.  Conceding that
+he had adopted a dire tone in order to arouse people about the issue,
+BESSER closed on a sanguine note by saying that he would not be in this
+business if he did not think that things could be accomplished.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+LARSEN * Issues of scalability and modularity * Geometric growth of the
+Internet and the role played by layering * Basic functions sustaining
+this growth * A library's roles and functions in a network environment *
+Effects of implementation of the Z39.50 protocol for information
+retrieval on the library system * The trade-off between volumes of data
+and its potential usage * A snapshot of current trends *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Ronald LARSEN, associate director for information technology, University
+of Maryland at College Park, first addressed the issues of scalability
+and modularity.  He noted the difficulty of anticipating the effects of
+orders-of-magnitude growth, reflecting on the twenty years of experience
+with the Arpanet and Internet.  Recalling the day's demonstrations of
+CD-ROM and optical disk material, he went on to ask if the field has yet
+learned how to scale new systems to enable delivery and dissemination
+across large-scale networks.
+
+LARSEN focused on the geometric growth of the Internet from its inception
+circa 1969 to the present, and the adjustments required to respond to
+that rapid growth.  To illustrate the issue of scalability, LARSEN
+considered computer networks as including three generic components:
+computers, network communication nodes, and communication media.  Each
+component scales (e.g., computers range from PCs to supercomputers;
+network nodes scale from interface cards in a PC through sophisticated
+routers and gateways; and communication media range from 2,400-baud
+dial-up facilities through 4.5-Mbps backbone links, and eventually to
+multigigabit-per-second communication lines), and architecturally, the
+components are organized to scale hierarchically from local area networks
+to international-scale networks.  Such growth is made possible by
+building layers of communication protocols, as BESSER pointed out.
+By layering both physically and logically, a sense of scalability is
+maintained from local area networks in offices, across campuses, through
+bridges, routers, campus backbones, fiber-optic links, etc., up into
+regional networks and ultimately into national and international
+networks.
+
+LARSEN then illustrated the geometric growth over a two-year period--
+through September 1991--of the number of networks that comprise the
+Internet.  This growth has been sustained largely by the availability of
+three basic functions:  electronic mail, file transfer (ftp), and remote
+log-on (telnet).  LARSEN also reviewed the growth in the kind of traffic
+that occurs on the network.  Network traffic reflects the joint contributions
+of a larger population of users and increasing use per user.  Today one sees
+serious applications involving moving images across the network--a rarity
+ten years ago.  LARSEN recalled and concurred with BESSER's main point
+that the interesting problems occur at the application level.
+
+LARSEN then illustrated a model of a library's roles and functions in a
+network environment.  He noted, in particular, the placement of on-line
+catalogues onto the network and patrons obtaining access to the library
+increasingly through local networks, campus networks, and the Internet.
+LARSEN supported LYNCH's earlier suggestion that we need to address
+fundamental questions of networked information in order to build
+environments that scale in the information sense as well as in the
+physical sense.
+
+LARSEN supported the role of the library system as the access point into
+the nation's electronic collections.  Implementation of the Z39.50
+protocol for information retrieval would make such access practical and
+feasible.  For example, this would enable patrons in Maryland to search
+California libraries, or other libraries around the world that are
+conformant with Z39.50 in a manner that is familiar to University of
+Maryland patrons.  This client-server model also supports moving beyond
+secondary content into primary content.  (The notion of how one links
+from secondary content to primary content, LARSEN said, represents a
+fundamental problem that requires rigorous thought.)  After noting
+numerous network experiments in accessing full-text materials, including
+projects supporting the ordering of materials across the network, LARSEN
+revisited the issue of transmitting high-density, high-resolution color
+images across the network and the large amounts of bandwidth they
+require.  He went on to address the bandwidth and synchronization
+problems inherent in sending full-motion video across the network.
+
+LARSEN illustrated the trade-off between volumes of data in bytes or
+orders of magnitude and the potential usage of that data.  He discussed
+transmission rates (particularly, the time it takes to move various forms
+of information), and what one could do with a network supporting
+multigigabit-per-second transmission.  At the moment, the network
+environment includes a composite of data-transmission requirements,
+volumes and forms, going from steady to bursty (high-volume) and from
+very slow to very fast.  This aggregate must be considered in the design,
+construction, and operation of multigigabyte networks.
+
+LARSEN's objective is to use the networks and library systems now being
+constructed to increase access to resources wherever they exist, and
+thus, to evolve toward an on-line electronic virtual library.
+
+LARSEN concluded by offering a snapshot of current trends:  continuing
+geometric growth in network capacity and number of users; slower
+development of applications; and glacial development and adoption of
+standards.  The challenge is to design and develop each new application
+system with network access and scalability in mind.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+BROWNRIGG * Access to the Internet cannot be taken for granted * Packet
+radio and the development of MELVYL in 1980-81 in the Division of Library
+Automation at the University of California  *  Design criteria for packet
+radio * A demonstration project in San Diego and future plans * Spread
+spectrum * Frequencies at which the radios will run and plans to
+reimplement the WAIS server software in the public domain * Need for an
+infrastructure of radios that do not move around *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Edwin BROWNRIGG, executive director, Memex Research Institute, first
+polled the audience in order to seek out regular users of the Internet as
+well as those planning to use it some time in the future.  With nearly
+everybody in the room falling into one category or the other, BROWNRIGG
+made a point re access, namely that numerous individuals, especially those
+who use the Internet every day, take for granted their access to it, the
+speeds with which they are connected, and how well it all works.
+However, as BROWNRIGG discovered between 1987 and 1989 in Australia,
+if one wants access to the Internet but cannot afford it or has some
+physical boundary that prevents her or him from gaining access, it can
+be extremely frustrating.  He suggested that because of economics and
+physical barriers we were beginning to create a world of haves and have-nots
+in the process of scholarly communication, even in the United States.
+
+BROWNRIGG detailed the development of MELVYL in academic year 1980-81 in
+the Division of Library Automation at the University of California, in
+order to underscore the issue of access to the system, which at the
+outset was extremely limited.  In short, the project needed to build a
+network, which at that time entailed use of satellite technology, that is,
+putting earth stations on campus and also acquiring some terrestrial links
+from the State of California's microwave system.  The installation of
+satellite links, however, did not solve the problem (which actually
+formed part of a larger problem involving politics and financial resources).
+For while the project team could get a signal onto a campus, it had no means
+of distributing the signal throughout the campus.  The solution involved
+adopting a recent development in wireless communication called packet radio,
+which combined the basic notion of packet-switching with radio.  The project
+used this technology to get the signal from a point on campus where it
+came down, an earth station for example, into the libraries, because it
+found that wiring the libraries, especially the older marble buildings,
+would cost $2,000-$5,000 per terminal.
+
+BROWNRIGG noted that, ten years ago, the project had neither the public
+policy nor the technology that would have allowed it to use packet radio
+in any meaningful way.  Since then much had changed.  He proceeded to
+detail research and development of the technology, how it is being
+deployed in California, and what direction he thought it would take.
+The design criteria are to produce a high-speed, one-time, low-cost,
+high-quality, secure, license-free device (packet radio) that one can
+plug in and play today, forget about it, and have access to the Internet.
+By high speed, BROWNRIGG meant 1 megabyte and 1.5 megabytes.  Those units
+have been built, he continued, and are in the process of being
+type-certified by an independent underwriting laboratory so that they can
+be type-licensed by the Federal Communications Commission.  As is the
+case with citizens band, one will be able to purchase a unit and not have
+to worry about applying for a license.
+
+The basic idea, BROWNRIGG elaborated, is to take high-speed radio data
+transmission and create a backbone network that at certain strategic
+points in the network will "gateway" into a medium-speed packet radio
+(i.e., one that runs at 38.4 kilobytes), so that perhaps by 1994-1995
+people, like those in the audience for the price of a VCR could purchase
+a medium-speed radio for the office or home, have full network connectivity
+to the Internet, and partake of all its services, with no need for an FCC
+license and no regular bill from the local common carrier.  BROWNRIGG
+presented several details of a demonstration project currently taking
+place in San Diego and described plans, pending funding, to install a
+full-bore network in the San Francisco area.  This network will have 600
+nodes running at backbone speeds, and 100 of these nodes will be libraries,
+which in turn will be the gateway ports to the 38.4 kilobyte radios that
+will give coverage for the neighborhoods surrounding the libraries.
+
+BROWNRIGG next explained Part 15.247, a new rule within Title 47 of the
+Code of Federal Regulations enacted by the FCC in 1985.  This rule
+challenged the industry, which has only now risen to the occasion, to
+build a radio that would run at no more than one watt of output power and
+use a fairly exotic method of modulating the radio wave called spread
+spectrum.  Spread spectrum in fact permits the building of networks so
+that numerous data communications can occur simultaneously, without
+interfering with each other, within the same wide radio channel.
+
+BROWNRIGG explained that the frequencies at which the radios would run
+are very short wave signals.  They are well above standard microwave and
+radar.  With a radio wave that small, one watt becomes a tremendous punch
+per bit and thus makes transmission at reasonable speed possible.  In
+order to minimize the potential for congestion, the project is
+undertaking to reimplement software which has been available in the
+networking business and is taken for granted now, for example, TCP/IP,
+routing algorithms, bridges, and gateways.  In addition, the project
+plans to take the WAIS server software in the public domain and
+reimplement it so that one can have a WAIS server on a Mac instead of a
+Unix machine.  The Memex Research Institute believes that libraries, in
+particular, will want to use the WAIS servers with packet radio.  This
+project, which has a team of about twelve people, will run through 1993
+and will include the 100 libraries already mentioned as well as other
+professionals such as those in the medical profession, engineering, and
+law.  Thus, the need is to create an infrastructure of radios that do not
+move around, which, BROWNRIGG hopes, will solve a problem not only for
+libraries but for individuals who, by and large today, do not have access
+to the Internet from their homes and offices.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+DISCUSSION * Project operating frequencies *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+During a brief discussion period, which also concluded the day's
+proceedings, BROWNRIGG stated that the project was operating in four
+frequencies.  The slow speed is operating at 435 megahertz, and it would
+later go up to 920 megahertz.  With the high-speed frequency, the
+one-megabyte radios will run at 2.4 gigabits, and 1.5 will run at 5.7.
+At 5.7, rain can be a factor, but it would have to be tropical rain,
+unlike what falls in most parts of the United States.
+
+                                 ******
+
+SESSION IV.  IMAGE CAPTURE, TEXT CAPTURE, OVERVIEW OF TEXT AND
+             IMAGE STORAGE FORMATS
+
+William HOOTON, vice president of operations, I-NET, moderated this session.
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+KENNEY * Factors influencing development of CXP * Advantages of using
+digital technology versus photocopy and microfilm * A primary goal of
+CXP; publishing challenges * Characteristics of copies printed * Quality
+of samples achieved in image capture * Several factors to be considered
+in choosing scanning * Emphasis of CXP on timely and cost-effective
+production of black-and-white printed facsimiles * Results of producing
+microfilm from digital files * Advantages of creating microfilm * Details
+concerning production * Costs * Role of digital technology in library
+preservation *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Anne KENNEY, associate director, Department of Preservation and
+Conservation, Cornell University, opened her talk by observing that the
+Cornell Xerox Project (CXP) has been guided by the assumption that the
+ability to produce printed facsimiles or to replace paper with paper
+would be important, at least for the present generation of users and
+equipment.  She described three factors that influenced development of
+the project:  1) Because the project has emphasized the preservation of
+deteriorating brittle books, the quality of what was produced had to be
+sufficiently high to return a paper replacement to the shelf.  CXP was
+only interested in using:  2) a system that was cost-effective, which
+meant that it had to be cost-competitive with the processes currently
+available, principally photocopy and microfilm, and 3) new or currently
+available product hardware and software.
+
+KENNEY described the advantages that using digital technology offers over
+both photocopy and microfilm:  1) The potential exists to create a higher
+quality reproduction of a deteriorating original than conventional
+light-lens technology.  2) Because a digital image is an encoded
+representation, it can be reproduced again and again with no resulting
+loss of quality, as opposed to the situation with light-lens processes,
+in which there is discernible difference between a second and a
+subsequent generation of an image.  3) A digital image can be manipulated
+in a number of ways to improve image capture; for example, Xerox has
+developed a windowing application that enables one to capture a page
+containing both text and illustrations in a manner that optimizes the
+reproduction of both.  (With light-lens technology, one must choose which
+to optimize, text or the illustration; in preservation microfilming, the
+current practice is to shoot an illustrated page twice, once to highlight
+the text and the second time to provide the best capture for the
+illustration.)  4) A digital image can also be edited, density levels
+adjusted to remove underlining and stains, and to increase legibility for
+faint documents.  5) On-screen inspection can take place at the time of
+initial setup and adjustments made prior to scanning, factors that
+substantially reduce the number of retakes required in quality control.
+
+A primary goal of CXP has been to evaluate the paper output printed on
+the Xerox DocuTech, a high-speed printer that produces 600-dpi pages from
+scanned images at a rate of 135 pages a minute.  KENNEY recounted several
+publishing challenges to represent faithful and legible reproductions of
+the originals that the 600-dpi copy for the most part successfully
+captured.  For example, many of the deteriorating volumes in the project
+were heavily illustrated with fine line drawings or halftones or came in
+languages such as Japanese, in which the buildup of characters comprised
+of varying strokes is difficult to reproduce at lower resolutions; a
+surprising number of them came with annotations and mathematical
+formulas, which it was critical to be able to duplicate exactly.
+
+KENNEY noted that 1) the copies are being printed on paper that meets the
+ANSI standards for performance, 2) the DocuTech printer meets the machine
+and toner requirements for proper adhesion of print to page, as described
+by the National Archives, and thus 3) paper product is considered to be
+the archival equivalent of preservation photocopy.
+
+KENNEY then discussed several samples of the quality achieved in the
+project that had been distributed in a handout, for example, a copy of a
+print-on-demand version of the 1911 Reed lecture on the steam turbine,
+which contains halftones, line drawings, and illustrations embedded in
+text; the first four loose pages in the volume compared the capture
+capabilities of scanning to photocopy for a standard test target, the
+IEEE standard 167A 1987 test chart.  In all instances scanning proved
+superior to photocopy, though only slightly more so in one.
+
+Conceding the simplistic nature of her review of the quality of scanning
+to photocopy, KENNEY described it as one representation of the kinds of
+settings that could be used with scanning capabilities on the equipment
+CXP uses.  KENNEY also pointed out that CXP investigated the quality
+achieved with binary scanning only, and noted the great promise in gray
+scale and color scanning, whose advantages and disadvantages need to be
+examined.  She argued further that scanning resolutions and file formats
+can represent a complex trade-off between the time it takes to capture
+material, file size, fidelity to the original, and on-screen display; and
+printing and equipment availability.  All these factors must be taken
+into consideration.
+
+CXP placed primary emphasis on the production in a timely and
+cost-effective manner of printed facsimiles that consisted largely of
+black-and-white text.  With binary scanning, large files may be
+compressed efficiently and in a lossless manner (i.e., no data is lost in
+the process of compressing [and decompressing] an image--the exact
+bit-representation is maintained) using Group 4 CCITT (i.e., the French
+acronym for International Consultative Committee for Telegraph and
+Telephone) compression.  CXP was getting compression ratios of about
+forty to one.  Gray-scale compression, which primarily uses JPEG, is much
+less economical and can represent a lossy compression (i.e., not
+lossless), so that as one compresses and decompresses, the illustration
+is subtly changed.  While binary files produce a high-quality printed
+version, it appears 1) that other combinations of spatial resolution with
+gray and/or color hold great promise as well, and 2) that gray scale can
+represent a tremendous advantage for on-screen viewing.  The quality
+associated with binary and gray scale also depends on the equipment used.
+For instance, binary scanning produces a much better copy on a binary
+printer.
+
+Among CXP's findings concerning the production of microfilm from digital
+files, KENNEY reported that the digital files for the same Reed lecture
+were used to produce sample film using an electron beam recorder.  The
+resulting film was faithful to the image capture of the digital files,
+and while CXP felt that the text and image pages represented in the Reed
+lecture were superior to that of the light-lens film, the resolution
+readings for the 600 dpi were not as high as standard microfilming.
+KENNEY argued that the standards defined for light-lens technology are
+not totally transferable to a digital environment.  Moreover, they are
+based on definition of quality for a preservation copy.  Although making
+this case will prove to be a long, uphill struggle, CXP plans to continue
+to investigate the issue over the course of the next year.
+
+KENNEY concluded this portion of her talk with a discussion of the
+advantages of creating film:  it can serve as a primary backup and as a
+preservation master to the digital file; it could then become the print
+or production master and service copies could be paper, film, optical
+disks, magnetic media, or on-screen display.
+
+Finally, KENNEY presented details re production:
+
+     * Development and testing of a moderately-high resolution production
+     scanning workstation represented a third goal of CXP; to date, 1,000
+     volumes have been scanned, or about 300,000 images.
+
+     * The resulting digital files are stored and used to produce
+     hard-copy replacements for the originals and additional prints on
+     demand; although the initial costs are high, scanning technology
+     offers an affordable means for reformatting brittle material.
+
+     * A technician in production mode can scan 300 pages per hour when
+     performing single-sheet scanning, which is a necessity when working
+     with truly brittle paper; this figure is expected to increase
+     significantly with subsequent iterations of the software from Xerox;
+     a three-month time-and-cost study of scanning found that the average
+     300-page book would take about an hour and forty minutes to scan
+     (this figure included the time for setup, which involves keying in
+     primary bibliographic data, going into quality control mode to
+     define page size, establishing front-to-back registration, and
+     scanning sample pages to identify a default range of settings for
+     the entire book--functions not dissimilar to those performed by
+     filmers or those preparing a book for photocopy).
+
+     * The final step in the scanning process involved rescans, which
+     happily were few and far between, representing well under 1 percent
+     of the total pages scanned.
+
+In addition to technician time, CXP costed out equipment, amortized over
+four years, the cost of storing and refreshing the digital files every
+four years, and the cost of printing and binding, book-cloth binding, a
+paper reproduction.  The total amounted to a little under $65 per single
+300-page volume, with 30 percent overhead included--a figure competitive
+with the prices currently charged by photocopy vendors.
+
+Of course, with scanning, in addition to the paper facsimile, one is left
+with a digital file from which subsequent copies of the book can be
+produced for a fraction of the cost of photocopy, with readers afforded
+choices in the form of these copies.
+
+KENNEY concluded that digital technology offers an electronic means for a
+library preservation effort to pay for itself.  If a brittle-book program
+included the means of disseminating reprints of books that are in demand
+by libraries and researchers alike, the initial investment in capture
+could be recovered and used to preserve additional but less popular
+books.  She disclosed that an economic model for a self-sustaining
+program could be developed for CXP's report to the Commission on
+Preservation and Access (CPA).
+
+KENNEY stressed that the focus of CXP has been on obtaining high quality
+in a production environment.  The use of digital technology is viewed as
+an affordable alternative to other reformatting options.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+ANDRE * Overview and history of NATDP * Various agricultural CD-ROM
+products created inhouse and by service bureaus * Pilot project on
+Internet transmission * Additional products in progress *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Pamela ANDRE, associate director for automation, National Agricultural
+Text Digitizing Program (NATDP), National Agricultural Library (NAL),
+presented an overview of NATDP, which has been underway at NAL the last
+four years, before Judith ZIDAR discussed the technical details.  ANDRE
+defined agricultural information as a broad range of material going from
+basic and applied research in the hard sciences to the one-page pamphlets
+that are distributed by the cooperative state extension services on such
+things as how to grow blueberries.
+
+NATDP began in late 1986 with a meeting of representatives from the
+land-grant library community to deal with the issue of electronic
+information.  NAL and forty-five of these libraries banded together to
+establish this project--to evaluate the technology for converting what
+were then source documents in paper form into electronic form, to provide
+access to that digital information, and then to distribute it.
+Distributing that material to the community--the university community as
+well as the extension service community, potentially down to the county
+level--constituted the group's chief concern.
+
+Since January 1988 (when the microcomputer-based scanning system was
+installed at NAL), NATDP has done a variety of things, concerning which
+ZIDAR would provide further details.  For example, the first technology
+considered in the project's discussion phase was digital videodisc, which
+indicates how long ago it was conceived.
+
+Over the four years of this project, four separate CD-ROM products on
+four different agricultural topics were created, two at a
+scanning-and-OCR station installed at NAL, and two by service bureaus.
+Thus, NATDP has gained comparative information in terms of those relative
+costs.  Each of these products contained the full ASCII text as well as
+page images of the material, or between 4,000 and 6,000 pages of material
+on these disks.  Topics included aquaculture, food, agriculture and
+science (i.e., international agriculture and research), acid rain, and
+Agent Orange, which was the final product distributed (approximately
+eighteen months before the Workshop).
+
+The third phase of NATDP focused on delivery mechanisms other than
+CD-ROM.  At the suggestion of Clifford LYNCH, who was a technical
+consultant to the project at this point, NATDP became involved with the
+Internet and initiated a project with the help of North Carolina State
+University, in which fourteen of the land-grant university libraries are
+transmitting digital images over the Internet in response to interlibrary
+loan requests--a topic for another meeting.  At this point, the pilot
+project had been completed for about a year and the final report would be
+available shortly after the Workshop.  In the meantime, the project's
+success had led to its extension.  (ANDRE noted that one of the first
+things done under the program title was to select a retrieval package to
+use with subsequent products; Windows Personal Librarian was the package
+of choice after a lengthy evaluation.)
+
+Three additional products had been planned and were in progress:
+
+     1) An arrangement with the American Society of Agronomy--a
+     professional society that has published the Agronomy Journal since
+     about 1908--to scan and create bit-mapped images of its journal.
+     ASA granted permission first to put and then to distribute this
+     material in electronic form, to hold it at NAL, and to use these
+     electronic images as a mechanism to deliver documents or print out
+     material for patrons, among other uses.  Effectively, NAL has the
+     right to use this material in support of its program.
+     (Significantly, this arrangement offers a potential cooperative
+     model for working with other professional societies in agriculture
+     to try to do the same thing--put the journals of particular interest
+     to agriculture research into electronic form.)
+
+     2) An extension of the earlier product on aquaculture.
+
+     3) The George Washington Carver Papers--a joint project with
+     Tuskegee University to scan and convert from microfilm some 3,500
+     images of Carver's papers, letters, and drawings.
+
+It was anticipated that all of these products would appear no more than
+six months after the Workshop.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+ZIDAR * (A separate arena for scanning) * Steps in creating a database *
+Image capture, with and without performing OCR * Keying in tracking data
+* Scanning, with electronic and manual tracking * Adjustments during
+scanning process * Scanning resolutions * Compression * De-skewing and
+filtering * Image capture from microform:  the papers and letters of
+George Washington Carver * Equipment used for a scanning system *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Judith ZIDAR, coordinator, National Agricultural Text Digitizing Program
+(NATDP), National Agricultural Library (NAL), illustrated the technical
+details of NATDP, including her primary responsibility, scanning and
+creating databases on a topic and putting them on CD-ROM.
+
+(ZIDAR remarked a separate arena from the CD-ROM projects, although the
+processing of the material is nearly identical, in which NATDP is also
+scanning material and loading it on a Next microcomputer, which in turn
+is linked to NAL's integrated library system.  Thus, searches in NAL's
+bibliographic database will enable people to pull up actual page images
+and text for any documents that have been entered.)
+
+In accordance with the session's topic, ZIDAR focused her illustrated
+talk on image capture, offering a primer on the three main steps in the
+process:  1) assemble the printed publications; 2) design the database
+(database design occurs in the process of preparing the material for
+scanning; this step entails reviewing and organizing the material,
+defining the contents--what will constitute a record, what kinds of
+fields will be captured in terms of author, title, etc.); 3) perform a
+certain amount of markup on the paper publications.  NAL performs this
+task record by record, preparing work sheets or some other sort of
+tracking material and designing descriptors and other enhancements to be
+added to the data that will not be captured from the printed publication.
+Part of this process also involves determining NATDP's file and directory
+structure:  NATDP attempts to avoid putting more than approximately 100
+images in a directory, because placing more than that on a CD-ROM would
+reduce the access speed.
+
+This up-front process takes approximately two weeks for a
+6,000-7,000-page database.  The next step is to capture the page images.
+How long this process takes is determined by the decision whether or not
+to perform OCR.  Not performing OCR speeds the process, whereas text
+capture requires greater care because of the quality of the image:  it
+has to be straighter and allowance must be made for text on a page, not
+just for the capture of photographs.
+
+NATDP keys in tracking data, that is, a standard bibliographic record
+including the title of the book and the title of the chapter, which will
+later either become the access information or will be attached to the
+front of a full-text record so that it is searchable.
+
+Images are scanned from a bound or unbound publication, chiefly from
+bound publications in the case of NATDP, however, because often they are
+the only copies and the publications are returned to the shelves.  NATDP
+usually scans one record at a time, because its database tracking system
+tracks the document in that way and does not require further logical
+separating of the images.  After performing optical character
+recognition, NATDP moves the images off the hard disk and maintains a
+volume sheet.  Though the system tracks electronically, all the
+processing steps are also tracked manually with a log sheet.
+
+ZIDAR next illustrated the kinds of adjustments that one can make when
+scanning from paper and microfilm, for example, redoing images that need
+special handling, setting for dithering or gray scale, and adjusting for
+brightness or for the whole book at one time.
+
+NATDP is scanning at 300 dots per inch, a standard scanning resolution.
+Though adequate for capturing text that is all of a standard size, 300
+dpi is unsuitable for any kind of photographic material or for very small
+text.  Many scanners allow for different image formats, TIFF, of course,
+being a de facto standard.  But if one intends to exchange images with
+other people, the ability to scan other image formats, even if they are
+less common, becomes highly desirable.
+
+CCITT Group 4 is the standard compression for normal black-and-white
+images, JPEG for gray scale or color.   ZIDAR recommended 1) using the
+standard compressions, particularly if one attempts to make material
+available and to allow users to download images and reuse them from
+CD-ROMs; and 2) maintaining the ability to output an uncompressed image,
+because in image exchange uncompressed images are more likely to be able
+to cross platforms.
+
+ZIDAR emphasized the importance of de-skewing and filtering as
+requirements on NATDP's upgraded system.  For instance, scanning bound
+books, particularly books published by the federal government whose pages
+are skewed, and trying to scan them straight if OCR is to be performed,
+is extremely time-consuming.  The same holds for filtering of
+poor-quality or older materials.
+
+ZIDAR described image capture from microform, using as an example three
+reels from a sixty-seven-reel set of the papers and letters of George
+Washington Carver that had been produced by Tuskegee University.  These
+resulted in approximately 3,500 images, which NATDP had had scanned by
+its service contractor, Science Applications International Corporation
+(SAIC).  NATDP also created bibliographic records for access.  (NATDP did
+not have such specialized equipment as a microfilm scanner.
+
+Unfortunately, the process of scanning from microfilm was not an
+unqualified success, ZIDAR reported:  because microfilm frame sizes vary,
+occasionally some frames were missed, which without spending much time
+and money could not be recaptured.
+
+OCR could not be performed from the scanned images of the frames.  The
+bleeding in the text simply output text, when OCR was run, that could not
+even be edited.  NATDP tested for negative versus positive images,
+landscape versus portrait orientation, and single- versus dual-page
+microfilm, none of which seemed to affect the quality of the image; but
+also on none of them could OCR be performed.
+
+In selecting the microfilm they would use, therefore, NATDP had other
+factors in mind.  ZIDAR noted two factors that influenced the quality of
+the images:  1) the inherent quality of the original and 2) the amount of
+size reduction on the pages.
+
+The Carver papers were selected because they are informative and visually
+interesting, treat a single subject, and are valuable in their own right.
+The images were scanned and divided into logical records by SAIC, then
+delivered, and loaded onto NATDP's system, where bibliographic
+information taken directly from the images was added.  Scanning was
+completed in summer 1991 and by the end of summer 1992 the disk was
+scheduled to be published.
+
+Problems encountered during processing included the following:  Because
+the microfilm scanning had to be done in a batch, adjustment for
+individual page variations was not possible.  The frame size varied on
+account of the nature of the material, and therefore some of the frames
+were missed while others were just partial frames.  The only way to go
+back and capture this material was to print out the page with the
+microfilm reader from the missing frame and then scan it in from the
+page, which was extremely time-consuming.  The quality of the images
+scanned from the printout of the microfilm compared unfavorably with that
+of the original images captured directly from the microfilm.  The
+inability to perform OCR also was a major disappointment.  At the time,
+computer output microfilm was unavailable to test.
+
+The equipment used for a scanning system was the last topic addressed by
+ZIDAR.  The type of equipment that one would purchase for a scanning
+system included:  a microcomputer, at least a 386, but preferably a 486;
+a large hard disk, 380 megabyte at minimum; a multi-tasking operating
+system that allows one to run some things in batch in the background
+while scanning or doing text editing, for example, Unix or OS/2 and,
+theoretically, Windows; a high-speed scanner and scanning software that
+allows one to make the various adjustments mentioned earlier; a
+high-resolution monitor (150 dpi ); OCR software and hardware to perform
+text recognition; an optical disk subsystem on which to archive all the
+images as the processing is done; file management and tracking software.
+
+ZIDAR opined that the software one purchases was more important than the
+hardware and might also cost more than the hardware, but it was likely to
+prove critical to the success or failure of one's system.  In addition to
+a stand-alone scanning workstation for image capture, then, text capture
+requires one or two editing stations networked to this scanning station
+to perform editing.  Editing the text takes two or three times as long as
+capturing the images.
+
+Finally, ZIDAR stressed the importance of buying an open system that allows
+for more than one vendor, complies with standards, and can be upgraded.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+WATERS *Yale University Library's master plan to convert microfilm to
+digital imagery (POB) * The place of electronic tools in the library of
+the future * The uses of images and an image library * Primary input from
+preservation microfilm * Features distinguishing POB from CXP and key
+hypotheses guiding POB * Use of vendor selection process to facilitate
+organizational work * Criteria for selecting vendor * Finalists and
+results of process for Yale * Key factor distinguishing vendors *
+Components, design principles, and some estimated costs of POB * Role of
+preservation materials in developing imaging market * Factors affecting
+quality and cost * Factors affecting the usability of complex documents
+in image form *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Donald WATERS, head of the Systems Office, Yale University Library,
+reported on the progress of a master plan for a project at Yale to
+convert microfilm to digital imagery, Project Open Book (POB).  Stating
+that POB was in an advanced stage of planning, WATERS detailed, in
+particular, the process of selecting a vendor partner and several key
+issues under discussion as Yale prepares to move into the project itself.
+He commented first on the vision that serves as the context of POB and
+then described its purpose and scope.
+
+WATERS sees the library of the future not necessarily as an electronic
+library but as a place that generates, preserves, and improves for its
+clients ready access to both intellectual and physical recorded
+knowledge.  Electronic tools must find a place in the library in the
+context of this vision.  Several roles for electronic tools include
+serving as:  indirect sources of electronic knowledge or as "finding"
+aids (the on-line catalogues, the article-level indices, registers for
+documents and archives); direct sources of recorded knowledge; full-text
+images; and various kinds of compound sources of recorded knowledge (the
+so-called compound documents of Hypertext, mixed text and image,
+mixed-text image format, and multimedia).
+
+POB is looking particularly at images and an image library, the uses to
+which images will be put (e.g., storage, printing, browsing, and then use
+as input for other processes), OCR as a subsequent process to image
+capture, or creating an image library, and also possibly generating
+microfilm.
+
+While input will come from a variety of sources, POB is considering
+especially input from preservation microfilm.  A possible outcome is that
+the film and paper which provide the input for the image library
+eventually may go off into remote storage, and that the image library may
+be the primary access tool.
+
+The purpose and scope of POB focus on imaging.  Though related to CXP,
+POB has two features which distinguish it:  1) scale--conversion of
+10,000 volumes into digital image form; and 2) source--conversion from
+microfilm.  Given these features, several key working hypotheses guide
+POB, including:  1) Since POB is using microfilm, it is not concerned with
+the image library as a preservation medium.  2) Digital imagery can improve
+access to recorded knowledge through printing and network distribution at
+a modest incremental cost of microfilm.  3) Capturing and storing documents
+in a digital image form is necessary to further improvements in access.
+(POB distinguishes between the imaging, digitizing process and OCR,
+which at this stage it does not plan to perform.)
+
+Currently in its first or organizational phase, POB found that it could
+use a vendor selection process to facilitate a good deal of the
+organizational work (e.g., creating a project team and advisory board,
+confirming the validity of the plan, establishing the cost of the project
+and a budget, selecting the materials to convert, and then raising the
+necessary funds).
+
+POB developed numerous selection criteria, including:  a firm committed
+to image-document management, the ability to serve as systems integrator
+in a large-scale project over several years, interest in developing the
+requisite software as a standard rather than a custom product, and a
+willingness to invest substantial resources in the project itself.
+
+Two vendors, DEC and Xerox, were selected as finalists in October 1991,
+and with the support of the Commission on Preservation and Access, each
+was commissioned to generate a detailed requirements analysis for the
+project and then to submit a formal proposal for the completion of the
+project, which included a budget and costs. The terms were that POB would
+pay the loser.  The results for Yale of involving a vendor included:
+broad involvement of Yale staff across the board at a relatively low
+cost, which may have long-term significance in carrying out the project
+(twenty-five to thirty university people are engaged in POB); better
+understanding of the factors that affect corporate response to markets
+for imaging products; a competitive proposal; and a more sophisticated
+view of the imaging markets.
+
+The most important factor that distinguished the vendors under
+consideration was their identification with the customer.  The size and
+internal complexity of the company also was an important factor.  POB was
+looking at large companies that had substantial resources.  In the end,
+the process generated for Yale two competitive proposals, with Xerox's
+the clear winner.  WATERS then described the components of the proposal,
+the design principles, and some of the costs estimated for the process.
+
+Components are essentially four:  a conversion subsystem, a
+network-accessible storage subsystem for 10,000 books (and POB expects
+200 to 600 dpi storage), browsing stations distributed on the campus
+network, and network access to the image printers.
+
+Among the design principles, POB wanted conversion at the highest
+possible resolution.  Assuming TIFF files, TIFF files with Group 4
+compression, TCP/IP, and ethernet network on campus, POB wanted a
+client-server approach with image documents distributed to the
+workstations and made accessible through native workstation interfaces
+such as Windows.  POB also insisted on a phased approach to
+implementation:  1) a stand-alone, single-user, low-cost entry into the
+business with a workstation focused on conversion and allowing POB to
+explore user access; 2) movement into a higher-volume conversion with
+network-accessible storage and multiple access stations; and 3) a
+high-volume conversion, full-capacity storage, and multiple browsing
+stations distributed throughout the campus.
+
+The costs proposed for start-up assumed the existence of the Yale network
+and its two DocuTech image printers.  Other start-up costs are estimated
+at $1 million over the three phases.  At the end of the project, the annual
+operating costs estimated primarily for the software and hardware proposed
+come to about $60,000, but these exclude costs for labor needed in the
+conversion process, network and printer usage, and facilities management.
+
+Finally, the selection process produced for Yale a more sophisticated
+view of the imaging markets:  the management of complex documents in
+image form is not a preservation problem, not a library problem, but a
+general problem in a broad, general industry.  Preservation materials are
+useful for developing that market because of the qualities of the
+material.  For example, much of it is out of copyright.  The resolution
+of key issues such as the quality of scanning and image browsing also
+will affect development of that market.
+
+The technology is readily available but changing rapidly.  In this
+context of rapid change, several factors affect quality and cost, to
+which POB intends to pay particular attention, for example, the various
+levels of resolution that can be achieved.  POB believes it can bring
+resolution up to 600 dpi, but an interpolation process from 400 to 600 is
+more likely.  The variation quality in microfilm will prove to be a
+highly important factor.  POB may reexamine the standards used to film in
+the first place by looking at this process as a follow-on to microfilming.
+
+Other important factors include:  the techniques available to the
+operator for handling material, the ways of integrating quality control
+into the digitizing work flow, and a work flow that includes indexing and
+storage.  POB's requirement was to be able to deal with quality control
+at the point of scanning.  Thus, thanks to Xerox, POB anticipates having
+a mechanism which will allow it not only to scan in batch form, but to
+review the material as it goes through the scanner and control quality
+from the outset.
+
+The standards for measuring quality and costs depend greatly on the uses
+of the material, including subsequent OCR, storage, printing, and
+browsing.  But especially at issue for POB is the facility for browsing.
+This facility, WATERS said, is perhaps the weakest aspect of imaging
+technology and the most in need of development.
+
+A variety of factors affect the usability of complex documents in image
+form, among them:  1) the ability of the system to handle the full range
+of document types, not just monographs but serials, multi-part
+monographs, and manuscripts; 2) the location of the database of record
+for bibliographic information about the image document, which POB wants
+to enter once and in the most useful place, the on-line catalog; 3) a
+document identifier for referencing the bibliographic information in one
+place and the images in another; 4) the technique for making the basic
+internal structure of the document accessible to the reader; and finally,
+5) the physical presentation on the CRT of those documents.  POB is ready
+to complete this phase now.  One last decision involves deciding which
+material to scan.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+DISCUSSION * TIFF files constitute de facto standard * NARA's experience
+with image conversion software and text conversion * RFC 1314 *
+Considerable flux concerning available hardware and software solutions *
+NAL through-put rate during scanning * Window management questions *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+In the question-and-answer period that followed WATERS's presentation,
+the following points emerged:
+
+     * ZIDAR's statement about using TIFF files as a standard meant de
+     facto standard.  This is what most people use and typically exchange
+     with other groups, across platforms, or even occasionally across
+     display software.
+
+     * HOLMES commented on the unsuccessful experience of NARA in
+     attempting to run image-conversion software or to exchange between
+     applications:  What are supposedly TIFF files go into other software
+     that is supposed to be able to accept TIFF but cannot recognize the
+     format and cannot deal with it, and thus renders the exchange
+     useless.  Re text conversion, he noted the different recognition
+     rates obtained by substituting the make and model of scanners in
+     NARA's recent test of an "intelligent" character-recognition product
+     for a new company.  In the selection of hardware and software,
+     HOLMES argued, software no longer constitutes the overriding factor
+     it did until about a year ago; rather it is perhaps important to
+     look at both now.
+
+     * Danny Cohen and Alan Katz of the University of Southern California
+     Information Sciences Institute began circulating as an Internet RFC
+     (RFC 1314) about a month ago a standard for a TIFF interchange
+     format for Internet distribution of monochrome bit-mapped images,
+     which LYNCH said he believed would be used as a de facto standard.
+
+     * FLEISCHHAUER's impression from hearing these reports and thinking
+     about AM's experience was that there is considerable flux concerning
+     available hardware and software solutions.  HOOTON agreed and
+     commented at the same time on ZIDAR's statement that the equipment
+     employed affects the results produced.  One cannot draw a complete
+     conclusion by saying it is difficult or impossible to perform OCR
+     from scanning microfilm, for example, with that device,  that set of
+     parameters, and system requirements, because numerous other people
+     are accomplishing just that, using other components, perhaps.
+     HOOTON opined that both the hardware and the software were highly
+     important.  Most of the problems discussed today have been solved in
+     numerous different ways by other people.  Though it is good to be
+     cognizant of various experiences, this is not to say that it will
+     always be thus.
+
+     * At NAL, the through-put rate of the scanning process for paper,
+     page by page, performing OCR, ranges from 300 to 600 pages per day;
+     not performing OCR is considerably faster, although how much faster
+     is not known.  This is for scanning from bound books, which is much
+     slower.
+
+     * WATERS commented on window management questions:  DEC proposed an
+     X-Windows solution which was problematical for two reasons.  One was
+     POB's requirement to be able to manipulate images on the workstation
+     and bring them down to the workstation itself and the other was
+     network usage.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+THOMA * Illustration of deficiencies in scanning and storage process *
+Image quality in this process * Different costs entailed by better image
+quality * Techniques for overcoming various de-ficiencies:  fixed
+thresholding, dynamic thresholding, dithering, image merge * Page edge
+effects *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+George THOMA, chief, Communications Engineering Branch, National Library
+of Medicine (NLM), illustrated several of the deficiencies discussed by
+the previous speakers.  He introduced the topic of special problems by
+noting the advantages of electronic imaging.  For example, it is regenerable
+because it is a coded file, and real-time quality control is possible with
+electronic capture, whereas in photographic capture it is not.
+
+One of the difficulties discussed in the scanning and storage process was
+image quality which, without belaboring the obvious, means different
+things for maps, medical X-rays, or broadcast television.  In the case of
+documents, THOMA said, image quality boils down to legibility of the
+textual parts, and fidelity in the case of gray or color photo print-type
+material.  Legibility boils down to scan density, the standard in most
+cases being 300 dpi.  Increasing the resolution with scanners that
+perform 600 or 1200 dpi, however, comes at a cost.
+
+Better image quality entails at least four different kinds of costs:  1)
+equipment costs, because the CCD (i.e., charge-couple device) with
+greater number of elements costs more;  2) time costs that translate to
+the actual capture costs, because manual labor is involved (the time is
+also dependent on the fact that more data has to be moved around in the
+machine in the scanning or network devices that perform the scanning as
+well as the storage);  3) media costs, because at high resolutions larger
+files have to be stored; and 4) transmission costs, because there is just
+more data to be transmitted.
+
+But while resolution takes care of the issue of legibility in image
+quality, other deficiencies have to do with contrast and elements on the
+page scanned or the image that needed to be removed or clarified.  Thus,
+THOMA proceeded to illustrate various deficiencies, how they are
+manifested, and several techniques to overcome them.
+
+Fixed thresholding was the first technique described, suitable for
+black-and-white text, when the contrast does not vary over the page.  One
+can have many different threshold levels in scanning devices.  Thus,
+THOMA offered an example of extremely poor contrast, which resulted from
+the fact that the stock was a heavy red.  This is the sort of image that
+when microfilmed fails to provide any legibility whatsoever.  Fixed
+thresholding is the way to change the black-to-red contrast to the
+desired black-to-white contrast.
+
+Other examples included material that had been browned or yellowed by
+age.  This was also a case of contrast deficiency, and correction was
+done by fixed thresholding.  A final example boils down to the same
+thing, slight variability, but it is not significant.  Fixed thresholding
+solves this problem as well.  The microfilm equivalent is certainly legible,
+but it comes with dark areas.  Though THOMA did not have a slide of the
+microfilm in this case, he did show the reproduced electronic image.
+
+When one has variable contrast over a page or the lighting over the page
+area varies, especially in the case where a bound volume has light
+shining on it, the image must be processed by a dynamic thresholding
+scheme.  One scheme, dynamic averaging, allows the threshold level not to
+be fixed but to be recomputed for every pixel from the neighboring
+characteristics.  The neighbors of a pixel determine where the threshold
+should be set for that pixel.
+
+THOMA showed an example of a page that had been made deficient by a
+variety of techniques, including a burn mark, coffee stains, and a yellow
+marker.  Application of a fixed-thresholding scheme, THOMA argued, might
+take care of several deficiencies on the page but not all of them.
+Performing the calculation for a dynamic threshold setting, however,
+removes most of the deficiencies so that at least the text is legible.
+
+Another problem is representing a gray level with black-and-white pixels
+by a process known as dithering or electronic screening.  But dithering
+does not provide good image quality for pure black-and-white textual
+material.  THOMA illustrated this point with examples. Although its
+suitability for photoprint is the reason for electronic screening or
+dithering, it cannot be used for every compound image.  In the document
+that was distributed by CXP, THOMA noticed that the dithered image of the
+IEEE test chart evinced some deterioration in the text.  He presented an
+extreme example of deterioration in the text in which compounded
+documents had to be set right by other techniques.  The technique
+illustrated by the present example was an image merge in which the page
+is scanned twice and the settings go from fixed threshold to the
+dithering matrix; the resulting images are merged to give the best
+results with each technique.
+
+THOMA illustrated how dithering is also used in nonphotographic or
+nonprint materials with an example of a grayish page from a medical text,
+which was reproduced to show all of the gray that appeared in the
+original.  Dithering provided a reproduction of all the gray in the
+original of another example from the same text.
+
+THOMA finally illustrated the problem of bordering, or page-edge,
+effects.  Books and bound volumes that are placed on a photocopy machine
+or a scanner produce page-edge effects that are undesirable for two
+reasons:  1) the aesthetics of the image; after all, if the image is to
+be preserved, one does not necessarily want to keep all of its
+deficiencies; 2) compression (with the bordering problem THOMA
+illustrated, the compression ratio deteriorated tremendously).  One way
+to eliminate this more serious problem is to have the operator at the
+point of scanning window the part of the image that is desirable and
+automatically turn all of the pixels out of that picture to white.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+FLEISCHHAUER * AM's experience with scanning bound materials * Dithering
+*
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Carl FLEISCHHAUER, coordinator, American Memory, Library of Congress,
+reported AM's experience with scanning bound materials, which he likened
+to the problems involved in using photocopying machines.  Very few
+devices in the industry offer book-edge scanning, let alone book cradles.
+The problem may be unsolvable, FLEISCHHAUER said, because a large enough
+market does not exist for a preservation-quality scanner.  AM is using a
+Kurzweil scanner, which is a book-edge scanner now sold by Xerox.
+
+Devoting the remainder of his brief presentation to dithering,
+FLEISCHHAUER related AM's experience with a contractor who was using
+unsophisticated equipment and software to reduce moire patterns from
+printed halftones.  AM took the same image and used the dithering
+algorithm that forms part of the same Kurzweil Xerox scanner; it
+disguised moire patterns much more effectively.
+
+FLEISCHHAUER also observed that dithering produces a binary file which is
+useful for numerous purposes, for example, printing it on a laser printer
+without having to "re-halftone" it.  But it tends to defeat efficient
+compression, because the very thing that dithers to reduce moire patterns
+also tends to work against compression schemes.  AM thought the
+difference in image quality was worth it.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+DISCUSSION * Relative use as a criterion for POB's selection of books to
+be converted into digital form *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+During the discussion period, WATERS noted that one of the criteria for
+selecting books among the 10,000 to be converted into digital image form
+would be how much relative use they would receive--a subject still
+requiring evaluation.  The challenge will be to understand whether
+coherent bodies of material will increase usage or whether POB should
+seek material that is being used, scan that, and make it more accessible.
+POB might decide to digitize materials that are already heavily used, in
+order to make them more accessible and decrease wear on them.  Another
+approach would be to provide a large body of intellectually coherent
+material that may be used more in digital form than it is currently used
+in microfilm.  POB would seek material that was out of copyright.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+BARONAS * Origin and scope of AIIM * Types of documents produced in
+AIIM's standards program * Domain of AIIM's standardization work * AIIM's
+structure * TC 171 and MS23 * Electronic image management standards *
+Categories of EIM standardization where AIIM standards are being
+developed *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Jean BARONAS, senior manager, Department of Standards and Technology,
+Association for Information and Image Management (AIIM), described the
+not-for-profit association and the national and international programs
+for standardization in which AIIM is active.
+
+Accredited for twenty-five years as the nation's standards development
+organization for document image management, AIIM began life in a library
+community developing microfilm standards.  Today the association
+maintains both its library and business-image management standardization
+activities--and has moved into electronic image-management
+standardization (EIM).
+
+BARONAS defined the program's scope.  AIIM deals with:  1) the
+terminology of standards and of the technology it uses; 2) methods of
+measurement for the systems, as well as quality; 3) methodologies for
+users to evaluate and measure quality; 4) the features of apparatus used
+to manage and edit images; and 5) the procedures used to manage images.
+
+BARONAS noted that three types of documents are produced in the AIIM
+standards program:  the first two, accredited by the American National
+Standards Institute (ANSI), are standards and standard recommended
+practices.  Recommended practices differ from standards in that they
+contain more tutorial information.  A technical report is not an ANSI
+standard.  Because AIIM's policies and procedures for developing
+standards are approved by ANSI, its standards are labeled ANSI/AIIM,
+followed by the number and title of the standard.
+
+BARONAS then illustrated the domain of AIIM's standardization work.  For
+example, AIIM is the administrator of the U.S. Technical Advisory Group
+(TAG) to the International Standards Organization's (ISO) technical
+committee, TC l7l Micrographics and Optical Memories for Document and
+Image Recording, Storage, and Use.  AIIM officially works through ANSI in
+the international standardization process.
+
+BARONAS described AIIM's structure, including its board of directors, its
+standards board of twelve individuals active in the image-management
+industry, its strategic planning and legal admissibility task forces, and
+its National Standards Council, which is comprised of the members of a
+number of organizations who vote on every AIIM standard before it is
+published.  BARONAS pointed out that AIIM's liaisons deal with numerous
+other standards developers, including the optical disk community, office
+and publishing systems, image-codes-and-character set committees, and the
+National Information Standards Organization (NISO).
+
+BARONAS illustrated the procedures of TC l7l, which covers all aspects of
+image management.  When AIIM's national program has conceptualized a new
+project, it is usually submitted to the international level, so that the
+member countries of TC l7l can simultaneously work on the development of
+the standard or the technical report.  BARONAS also illustrated a classic
+microfilm standard, MS23, which deals with numerous imaging concepts that
+apply to electronic imaging.  Originally developed in the l970s, revised
+in the l980s, and revised again in l991, this standard is scheduled for
+another revision.  MS23 is an active standard whereby users may propose
+new density ranges and new methods of evaluating film images in the
+standard's revision.
+
+BARONAS detailed several electronic image-management standards, for
+instance, ANSI/AIIM MS44, a quality-control guideline for scanning 8.5"
+by 11" black-and-white office documents.  This standard is used with the
+IEEE fax image--a continuous tone photographic image with gray scales,
+text, and several continuous tone pictures--and AIIM test target number
+2, a representative document used in office document management.
+
+BARONAS next outlined the four categories of EIM standardization in which
+AIIM standards are being developed:  transfer and retrieval, evaluation,
+optical disc and document scanning applications, and design and
+conversion of documents.  She detailed several of the main projects of
+each:  1) in the category of image transfer and retrieval, a bi-level
+image transfer format, ANSI/AIIM MS53, which is a proposed standard that
+describes a file header for image transfer between unlike systems when
+the images are compressed using G3 and G4 compression; 2) the category of
+image evaluation, which includes the AIIM-proposed TR26 tutorial on image
+resolution (this technical report will treat the differences and
+similarities between classical or photographic and electronic imaging);
+3) design and conversion, which includes a proposed technical report
+called "Forms Design Optimization for EIM" (this report considers how
+general-purpose business forms can be best designed so that scanning is
+optimized; reprographic characteristics such as type, rules, background,
+tint, and color will likewise be treated in the technical report); 4)
+disk and document scanning applications includes a project a) on planning
+platters and disk management, b) on generating an application profile for
+EIM when images are stored and distributed on CD-ROM, and c) on
+evaluating SCSI2, and how a common command set can be generated for SCSI2
+so that document scanners are more easily integrated.  (ANSI/AIIM MS53
+will also apply to compressed images.)
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+BATTIN * The implications of standards for preservation * A major
+obstacle to successful cooperation * A hindrance to access in the digital
+environment * Standards a double-edged sword for those concerned with the
+preservation of the human record * Near-term prognosis for reliable
+archival standards * Preservation concerns for electronic media * Need
+for reconceptualizing our preservation principles * Standards in the real
+world and the politics of reproduction * Need to redefine the concept of
+archival and to begin to think in terms of life cycles * Cooperation and
+the La Guardia Eight * Concerns generated by discussions on the problems
+of preserving text and image * General principles to be adopted in a
+world without standards *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Patricia BATTIN, president, the Commission on Preservation and Access
+(CPA), addressed the implications of standards for preservation.  She
+listed several areas where the library profession and the analog world of
+the printed book had made enormous contributions over the past hundred
+years--for example, in bibliographic formats, binding standards, and, most
+important, in determining what constitutes longevity or archival quality.
+
+Although standards have lightened the preservation burden through the
+development of national and international collaborative programs,
+nevertheless, a pervasive mistrust of other people's standards remains a
+major obstacle to successful cooperation, BATTIN said.
+
+The zeal to achieve perfection, regardless of the cost, has hindered
+rather than facilitated access in some instances, and in the digital
+environment, where no real standards exist, has brought an ironically
+just reward.
+
+BATTIN argued that standards are a double-edged sword for those concerned
+with the preservation of the human record, that is, the provision of
+access to recorded knowledge in a multitude of media as far into the
+future as possible.  Standards are essential to facilitate
+interconnectivity and access, but, BATTIN said, as LYNCH pointed out
+yesterday, if set too soon they can hinder creativity, expansion of
+capability, and the broadening of access.  The characteristics of
+standards for digital imagery differ radically from those for analog
+imagery.  And the nature of digital technology implies continuing
+volatility and change.  To reiterate, precipitous standard-setting can
+inhibit creativity, but delayed standard-setting results in chaos.
+
+Since in BATTIN'S opinion the near-term prognosis for reliable archival
+standards, as defined by librarians in the analog world, is poor, two
+alternatives remain:  standing pat with the old technology, or
+reconceptualizing.
+
+Preservation concerns for electronic media fall into two general domains.
+One is the continuing assurance of access to knowledge originally
+generated, stored, disseminated, and used in electronic form.  This
+domain contains several subdivisions, including 1) the closed,
+proprietary systems discussed the previous day, bundled information such
+as electronic journals and government agency records, and electronically
+produced or captured raw data; and 2) the application of digital
+technologies to the reformatting of materials originally published on a
+deteriorating analog medium such as acid paper or videotape.
+
+The preservation of electronic media requires a reconceptualizing of our
+preservation principles during a volatile, standardless transition which
+may last far longer than any of us envision today.  BATTIN urged the
+necessity of shifting focus from assessing, measuring, and setting
+standards for the permanence of the medium to the concept of managing
+continuing access to information stored on a variety of media and
+requiring a variety of ever-changing hardware and software for access--a
+fundamental shift for the library profession.
+
+BATTIN offered a primer on how to move forward with reasonable confidence
+in a world without standards.  Her comments fell roughly into two sections:
+1) standards in the real world and 2) the politics of reproduction.
+
+In regard to real-world standards, BATTIN argued the need to redefine the
+concept of archive and to begin to think in terms of life cycles.  In
+the past, the naive assumption that paper would last forever produced a
+cavalier attitude toward life cycles.  The transient nature of the
+electronic media has compelled people to recognize and accept upfront the
+concept of life cycles in place of permanency.
+
+Digital standards have to be developed and set in a cooperative context
+to ensure efficient exchange of information.  Moreover, during this
+transition period, greater flexibility concerning how concepts such as
+backup copies and archival copies in the CXP are defined is necessary,
+or the opportunity to move forward will be lost.
+
+In terms of cooperation, particularly in the university setting, BATTIN
+also argued the need to avoid going off in a hundred different
+directions.  The CPA has catalyzed a small group of universities called
+the La Guardia Eight--because La Guardia Airport is where meetings take
+place--Harvard, Yale, Cornell, Princeton, Penn State, Tennessee,
+Stanford, and USC, to develop a digital preservation consortium to look
+at all these issues and develop de facto standards as we move along,
+instead of waiting for something that is officially blessed.  Continuing
+to apply analog values and definitions of standards to the digital
+environment, BATTIN said, will effectively lead to forfeiture of the
+benefits of digital technology to research and scholarship.
+
+Under the second rubric, the politics of reproduction, BATTIN reiterated
+an oft-made argument concerning the electronic library, namely, that it
+is more difficult to transform than to create, and nowhere is that belief
+expressed more dramatically than in the conversion of brittle books to
+new media.  Preserving information published in electronic media involves
+making sure the information remains accessible and that digital
+information is not lost through reproduction.  In the analog world of
+photocopies and microfilm, the issue of fidelity to the original becomes
+paramount, as do issues of "Whose fidelity?" and "Whose original?"
+
+BATTIN elaborated these arguments with a few examples from a recent study
+conducted by the CPA on the problems of preserving text and image.
+Discussions with scholars, librarians, and curators in a variety of
+disciplines dependent on text and image generated a variety of concerns,
+for example:  1) Copy what is, not what the technology is capable of.
+This is very important for the history of ideas.  Scholars wish to know
+what the author saw and worked from.  And make available at the
+workstation the opportunity to erase all the defects and enhance the
+presentation.  2) The fidelity of reproduction--what is good enough, what
+can we afford, and the difference it makes--issues of subjective versus
+objective resolution.  3) The differences between primary and secondary
+users.  Restricting the definition of primary user to the one in whose
+discipline the material has been published runs one headlong into the
+reality that these printed books have had a host of other users from a
+host of other disciplines, who not only were looking for very different
+things, but who also shared values very different from those of the
+primary user.  4) The relationship of the standard of reproduction to new
+capabilities of scholarship--the browsing standard versus an archival
+standard.  How good must the archival standard be?  Can a distinction be
+drawn between potential users in setting standards for reproduction?
+Archival storage, use copies, browsing copies--ought an attempt to set
+standards even be made?  5) Finally, costs.  How much are we prepared to
+pay to capture absolute fidelity?  What are the trade-offs between vastly
+enhanced access, degrees of fidelity, and costs?
+
+These standards, BATTIN concluded, serve to complicate further the
+reproduction process, and add to the long list of technical standards
+that are necessary to ensure widespread access.  Ways to articulate and
+analyze the costs that are attached to the different levels of standards
+must be found.
+
+Given the chaos concerning standards, which promises to linger for the
+foreseeable future, BATTIN urged adoption of the following general
+principles:
+
+     * Strive to understand the changing information requirements of
+     scholarly disciplines as more and more technology is integrated into
+     the process of research and scholarly communication in order to meet
+     future scholarly needs, not to build for the past.  Capture
+     deteriorating information at the highest affordable resolution, even
+     though the dissemination and display technologies will lag.
+
+     * Develop cooperative mechanisms to foster agreement on protocols
+     for document structure and other interchange mechanisms necessary
+     for widespread dissemination and use before official standards are
+     set.
+
+     * Accept that, in a transition period, de facto standards will have
+     to be developed.
+
+     * Capture information in a way that keeps all options open and
+     provides for total convertibility:  OCR, scanning of microfilm,
+     producing microfilm from scanned documents, etc.
+
+     * Work closely with the generators of information and the builders
+     of networks and databases to ensure that continuing accessibility is
+     a primary concern from the beginning.
+
+     * Piggyback on standards under development for the broad market, and
+     avoid library-specific standards; work with the vendors, in order to
+     take advantage of that which is being standardized for the rest of
+     the world.
+
+     * Concentrate efforts on managing permanence in the digital world,
+     rather than perfecting the longevity of a particular medium.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+DISCUSSION * Additional comments on TIFF *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+During the brief discussion period that followed BATTIN's presentation,
+BARONAS explained that TIFF was not developed in collaboration with or
+under the auspices of AIIM.  TIFF is a company product, not a standard,
+is owned by two corporations, and is always changing.  BARONAS also
+observed that ANSI/AIIM MS53, a bi-level image file transfer format that
+allows unlike systems to exchange images, is compatible with TIFF as well
+as with DEC's architecture and IBM's MODCA/IOCA.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+HOOTON * Several questions to be considered in discussing text conversion
+*
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+HOOTON introduced the final topic, text conversion, by noting that it is
+becoming an increasingly important part of the imaging business.  Many
+people now realize that it enhances their system to be able to have more
+and more character data as part of their imaging system.  Re the issue of
+OCR versus rekeying, HOOTON posed several questions:  How does one get
+text into computer-readable form?  Does one use automated processes?
+Does one attempt to eliminate the use of operators where possible?
+Standards for accuracy, he said, are extremely important:  it makes a
+major difference in cost and time whether one sets as a standard 98.5
+percent acceptance or 99.5 percent.  He mentioned outsourcing as a
+possibility for converting text.  Finally, what one does with the image
+to prepare it for the recognition process is also important, he said,
+because such preparation changes how recognition is viewed, as well as
+facilitates recognition itself.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+LESK * Roles of participants in CORE * Data flow * The scanning process *
+The image interface * Results of experiments involving the use of
+electronic resources and traditional paper copies * Testing the issue of
+serendipity * Conclusions *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Michael LESK, executive director, Computer Science Research, Bell
+Communications Research, Inc. (Bellcore), discussed the Chemical Online
+Retrieval Experiment (CORE), a cooperative project involving Cornell
+University, OCLC, Bellcore, and the American Chemical Society (ACS).
+
+LESK spoke on 1) how the scanning was performed, including the unusual
+feature of page segmentation, and 2) the use made of the text and the
+image in experiments.
+
+Working with the chemistry journals (because ACS has been saving its
+typesetting tapes since the mid-1970s and thus has a significant back-run
+of the most important chemistry journals in the United States), CORE is
+attempting to create an automated chemical library.  Approximately a
+quarter of the pages by square inch are made up of images of
+quasi-pictorial material; dealing with the graphic components of the
+pages is extremely important.  LESK described the roles of participants
+in CORE:  1) ACS provides copyright permission, journals on paper,
+journals on microfilm, and some of the definitions of the files; 2) at
+Bellcore, LESK chiefly performs the data preparation, while Dennis Egan
+performs experiments on the users of chemical abstracts, and supplies the
+indexing and numerous magnetic tapes;  3) Cornell provides the site of the
+experiment; 4) OCLC develops retrieval software and other user interfaces.
+Various manufacturers and publishers have furnished other help.
+
+Concerning data flow, Bellcore receives microfilm and paper from ACS; the
+microfilm is scanned by outside vendors, while the paper is scanned
+inhouse on an Improvision scanner, twenty pages per minute at 300 dpi,
+which provides sufficient quality for all practical uses.  LESK would
+prefer to have more gray level, because one of the ACS journals prints on
+some colored pages, which creates a problem.
+
+Bellcore performs all this scanning, creates a page-image file, and also
+selects from the pages the graphics, to mix with the text file (which is
+discussed later in the Workshop).  The user is always searching the ASCII
+file, but she or he may see a display based on the ASCII or a display
+based on the images.
+
+LESK illustrated how the program performs page analysis, and the image
+interface.  (The user types several words, is presented with a list--
+usually of the titles of articles contained in an issue--that derives
+from the ASCII, clicks on an icon and receives an image that mirrors an
+ACS page.)  LESK also illustrated an alternative interface, based on text
+on the ASCII, the so-called SuperBook interface from Bellcore.
+
+LESK next presented the results of an experiment conducted by Dennis Egan
+and involving thirty-six students at Cornell, one third of them
+undergraduate chemistry majors, one third senior undergraduate chemistry
+majors, and one third graduate chemistry students.  A third of them
+received the paper journals, the traditional paper copies and chemical
+abstracts on paper.  A third received image displays of the pictures of
+the pages, and a third received the text display with pop-up graphics.
+
+The students were given several questions made up by some chemistry
+professors.  The questions fell into five classes, ranging from very easy
+to very difficult, and included questions designed to simulate browsing
+as well as a traditional information retrieval-type task.
+
+LESK furnished the following results.  In the straightforward question
+search--the question being, what is the phosphorus oxygen bond distance
+and hydroxy phosphate?--the students were told that they could take
+fifteen minutes and, then, if they wished, give up.  The students with
+paper took more than fifteen minutes on average, and yet most of them
+gave up.  The students with either electronic format, text or image,
+received good scores in reasonable time, hardly ever had to give up, and
+usually found the right answer.
+
+In the browsing study, the students were given a list of eight topics,
+told to imagine that an issue of the Journal of the American Chemical
+Society had just appeared on their desks, and were also told to flip
+through it and to find topics mentioned in the issue.  The average scores
+were about the same.  (The students were told to answer yes or no about
+whether or not particular topics appeared.)  The errors, however, were
+quite different.  The students with paper rarely said that something
+appeared when it had not.  But they often failed to find something
+actually mentioned in the issue.  The computer people found numerous
+things, but they also frequently said that a topic was mentioned when it
+was not.  (The reason, of course, was that they were performing word
+searches.  They were finding that words were mentioned and they were
+concluding that they had accomplished their task.)
+
+This question also contained a trick to test the issue of serendipity.
+The students were given another list of eight topics and instructed,
+without taking a second look at the journal, to recall how many of this
+new list of eight topics were in this particular issue.  This was an
+attempt to see if they performed better at remembering what they were not
+looking for.  They all performed about the same, paper or electronics,
+about 62 percent accurate.  In short, LESK said, people were not very
+good when it came to serendipity, but they were no worse at it with
+computers than they were with paper.
+
+(LESK gave a parenthetical illustration of the learning curve of students
+who used SuperBook.)
+
+The students using the electronic systems started off worse than the ones
+using print, but by the third of the three sessions in the series had
+caught up to print.  As one might expect, electronics provide a much
+better means of finding what one wants to read; reading speeds, once the
+object of the search has been found, are about the same.
+
+Almost none of the students could perform the hard task--the analogous
+transformation.  (It would require the expertise of organic chemists to
+complete.)  But an interesting result was that the students using the text
+search performed terribly, while those using the image system did best.
+That the text search system is driven by text offers the explanation.
+Everything is focused on the text; to see the pictures, one must press
+on an icon.  Many students found the right article containing the answer
+to the question, but they did not click on the icon to bring up the right
+figure and see it.  They did not know that they had found the right place,
+and thus got it wrong.
+
+The short answer demonstrated by this experiment was that in the event
+one does not know what to read, one needs the electronic systems; the
+electronic systems hold no advantage at the moment if one knows what to
+read, but neither do they impose a penalty.
+
+LESK concluded by commenting that, on one hand, the image system was easy
+to use.  On the other hand, the text display system, which represented
+twenty man-years of work in programming and polishing, was not winning,
+because the text was not being read, just searched.  The much easier
+system is highly competitive as well as remarkably effective for the
+actual chemists.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+ERWAY * Most challenging aspect of working on AM * Assumptions guiding
+AM's approach * Testing different types of service bureaus * AM's
+requirement for 99.95 percent accuracy * Requirements for text-coding *
+Additional factors influencing AM's approach to coding * Results of AM's
+experience with rekeying * Other problems in dealing with service bureaus
+* Quality control the most time-consuming aspect of contracting out
+conversion * Long-term outlook uncertain *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+To Ricky ERWAY, associate coordinator, American Memory, Library of
+Congress, the constant variety of conversion projects taking place
+simultaneously represented perhaps the most challenging aspect of working
+on AM.  Thus, the challenge was not to find a solution for text
+conversion but a tool kit of solutions to apply to LC's varied
+collections that need to be converted.  ERWAY limited her remarks to the
+process of converting text to machine-readable form, and the variety of
+LC's text collections, for example, bound volumes, microfilm, and
+handwritten manuscripts.
+
+Two assumptions have guided AM's approach, ERWAY said:  1) A desire not
+to perform the conversion inhouse.  Because of the variety of formats and
+types of texts, to capitalize the equipment and have the talents and
+skills to operate them at LC would be extremely expensive.  Further, the
+natural inclination to upgrade to newer and better equipment each year
+made it reasonable for AM to focus on what it did best and seek external
+conversion services.  Using service bureaus also allowed AM to have
+several types of operations take place at the same time.  2) AM was not a
+technology project, but an effort to improve access to library
+collections.  Hence, whether text was converted using OCR or rekeying
+mattered little to AM.  What mattered were cost and accuracy of results.
+
+AM considered different types of service bureaus and selected three to
+perform several small tests in order to acquire a sense of the field.
+The sample collections with which they worked included handwritten
+correspondence, typewritten manuscripts from the 1940s, and
+eighteenth-century printed broadsides on microfilm.  On none of these
+samples was OCR performed; they were all rekeyed.  AM had several special
+requirements for the three service bureaus it had engaged.  For instance,
+any errors in the original text were to be retained.  Working from bound
+volumes or anything that could not be sheet-fed also constituted a factor
+eliminating companies that would have performed OCR.
+
+AM requires 99.95 percent accuracy, which, though it sounds high, often
+means one or two errors per page.  The initial batch of test samples
+contained several handwritten materials for which AM did not require
+text-coding.  The results, ERWAY reported, were in all cases fairly
+comparable:  for the most part, all three service bureaus achieved 99.95
+percent accuracy.  AM was satisfied with the work but surprised at the cost.
+
+As AM began converting whole collections, it retained the requirement for
+99.95 percent accuracy and added requirements for text-coding.  AM needed
+to begin performing work more than three years ago before LC requirements
+for SGML applications had been established.  Since AM's goal was simply
+to retain any of the intellectual content represented by the formatting
+of the document (which would be lost if one performed a straight ASCII
+conversion), AM used "SGML-like" codes.  These codes resembled SGML tags
+but were used without the benefit of document-type definitions.  AM found
+that many service bureaus were not yet SGML-proficient.
+
+Additional factors influencing the approach AM took with respect to
+coding included:  1) the inability of any known microcomputer-based
+user-retrieval software to take advantage of SGML coding; and 2) the
+multiple inconsistencies in format of the older documents, which
+confirmed AM in its desire not to attempt to force the different formats
+to conform to a single document-type definition (DTD) and thus create the
+need for a separate DTD for each document.
+
+The five text collections that AM has converted or is in the process of
+converting include a collection of eighteenth-century broadsides, a
+collection of pamphlets, two typescript document collections, and a
+collection of 150 books.
+
+ERWAY next reviewed the results of AM's experience with rekeying, noting
+again that because the bulk of AM's materials are historical, the quality
+of the text often does not lend itself to OCR.  While non-English
+speakers are less likely to guess or elaborate or correct typos in the
+original text, they are also less able to infer what we would; they also
+are nearly incapable of converting handwritten text.  Another
+disadvantage of working with overseas keyers is that they are much less
+likely to telephone with questions, especially on the coding, with the
+result that they develop their own rules as they encounter new
+situations.
+
+Government contracting procedures and time frames posed a major challenge
+to performing the conversion.  Many service bureaus are not accustomed to
+retaining the image, even if they perform OCR.  Thus, questions of image
+format and storage media were somewhat novel to many of them.  ERWAY also
+remarked other problems in dealing with service bureaus, for example,
+their inability to perform text conversion from the kind of microfilm
+that LC uses for preservation purposes.
+
+But quality control, in ERWAY's experience, was the most time-consuming
+aspect of contracting out conversion.  AM has been attempting to perform
+a 10-percent quality review, looking at either every tenth document or
+every tenth page to make certain that the service bureaus are maintaining
+99.95 percent accuracy.  But even if they are complying with the
+requirement for accuracy, finding errors produces a desire to correct
+them and, in turn, to clean up the whole collection, which defeats the
+purpose to some extent.  Even a double entry requires a
+character-by-character comparison to the original to meet the accuracy
+requirement.  LC is not accustomed to publish imperfect texts, which
+makes attempting to deal with the industry standard an emotionally
+fraught issue for AM.  As was mentioned in the previous day's discussion,
+going from 99.95 to 99.99 percent accuracy usually doubles costs and
+means a third keying or another complete run-through of the text.
+
+Although AM has learned much from its experiences with various collections
+and various service bureaus, ERWAY concluded pessimistically that no
+breakthrough has been achieved.   Incremental improvements have occurred
+in some of the OCR technology, some of the processes, and some of the
+standards acceptances, which, though they may lead to somewhat lower costs,
+do not offer much encouragement to many people who are anxiously awaiting
+the day that the entire contents of LC are available on-line.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+ZIDAR * Several answers to why one attempts to perform full-text
+conversion * Per page cost of performing OCR * Typical problems
+encountered during editing * Editing poor copy OCR vs. rekeying *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Judith ZIDAR, coordinator, National Agricultural Text Digitizing Program
+(NATDP), National Agricultural Library (NAL), offered several answers to
+the question of why one attempts to perform full-text conversion:  1)
+Text in an image can be read by a human but not by a computer, so of
+course it is not searchable and there is not much one can do with it.  2)
+Some material simply requires word-level access.  For instance, the legal
+profession insists on full-text access to its material; with taxonomic or
+geographic material, which entails numerous names, one virtually requires
+word-level access.  3) Full text permits rapid browsing and searching,
+something that cannot be achieved in an image with today's technology.
+4) Text stored as ASCII and delivered in ASCII is standardized and highly
+portable.  5) People just want full-text searching, even those who do not
+know how to do it.  NAL, for the most part, is performing OCR at an
+actual cost per average-size page of approximately $7.  NAL scans the
+page to create the electronic image and passes it through the OCR device.
+
+ZIDAR next rehearsed several typical problems encountered during editing.
+Praising the celerity of her student workers, ZIDAR observed that editing
+requires approximately five to ten minutes per page, assuming that there
+are no large tables to audit.  Confusion among the three characters I, 1,
+and l, constitutes perhaps the most common problem encountered.  Zeroes
+and  O's also are  frequently confused.  Double M's create a particular
+problem, even on clean pages.  They are so wide in most fonts that they
+touch, and the system simply cannot tell where one letter ends and the
+other begins.  Complex page formats occasionally fail to columnate
+properly, which entails rescanning as though one were working with a
+single column, entering the ASCII, and decolumnating for better
+searching.  With proportionally spaced text, OCR can have difficulty
+discerning what is a space and what are merely spaces between letters, as
+opposed to spaces between words, and therefore will merge text or break
+up words where it should not.
+
+ZIDAR said that it can often take longer to edit a poor-copy OCR than to
+key it from scratch.  NAL has also experimented with partial editing of
+text, whereby project workers go into and clean up the format, removing
+stray characters but not running a spell-check.  NAL corrects typos in
+the title and authors' names, which provides a foothold for searching and
+browsing.  Even extremely poor-quality OCR (e.g., 60-percent accuracy)
+can still be searched, because numerous words are correct, while the
+important words are probably repeated often enough that they are likely
+to be found correct somewhere.  Librarians, however, cannot tolerate this
+situation, though end users seem more willing to use this text for
+searching, provided that NAL indicates that it is unedited.  ZIDAR
+concluded that rekeying of text may be the best route to take, in spite
+of numerous problems with quality control and cost.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+DISCUSSION * Modifying an image before performing OCR * NAL's costs per
+page *AM's costs per page and experience with Federal Prison Industries *
+Elements comprising NATDP's costs per page * OCR and structured markup *
+Distinction between the structure of a document and its representation
+when put on the screen or printed *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+HOOTON prefaced the lengthy discussion that followed with several
+comments about modifying an image before one reaches the point of
+performing OCR.  For example, in regard to an application containing a
+significant amount of redundant data, such as form-type data, numerous
+companies today are working on various kinds of form renewal, prior to
+going through a recognition process, by using dropout colors.  Thus,
+acquiring access to form design or using electronic means are worth
+considering.  HOOTON also noted that conversion usually makes or breaks
+one's imaging system.  It is extremely important, extremely costly in
+terms of either capital investment or service, and determines the quality
+of the remainder of one's system, because it determines the character of
+the raw material used by the system.
+
+Concerning the four projects undertaken by NAL, two inside and two
+performed by outside contractors, ZIDAR revealed that an in-house service
+bureau executed the first at a cost between $8 and $10 per page for
+everything, including building of the database.  The project undertaken
+by the Consultative Group on International Agricultural Research (CGIAR)
+cost approximately $10 per page for the conversion, plus some expenses
+for the software and building of the database.  The Acid Rain Project--a
+two-disk set produced by the University of Vermont, consisting of
+Canadian publications on acid rain--cost $6.70 per page for everything,
+including keying of the text, which was double keyed, scanning of the
+images, and building of the database.  The in-house project offered
+considerable ease of convenience and greater control of the process.  On
+the other hand, the service bureaus know their job and perform it
+expeditiously, because they have more people.
+
+As a useful comparison, ERWAY revealed AM's costs as follows:  $0.75
+cents to $0.85 cents per thousand characters, with an average page
+containing 2,700 characters.  Requirements for coding and imaging
+increase the costs.  Thus, conversion of the text, including the coding,
+costs approximately $3 per page.  (This figure does not include the
+imaging and database-building included in the NAL costs.)  AM also
+enjoyed a happy experience with Federal Prison Industries, which
+precluded the necessity of going through the request-for-proposal process
+to award a contract, because it is another government agency.  The
+prisoners performed AM's rekeying just as well as other service bureaus
+and proved handy as well.  AM shipped them the books, which they would
+photocopy on a book-edge scanner.  They would perform the markup on
+photocopies, return the books as soon as they were done with them,
+perform the keying, and return the material to AM on WORM disks.
+
+ZIDAR detailed the elements that constitute the previously noted cost of
+approximately $7 per page.  Most significant is the editing, correction
+of errors, and spell-checkings, which though they may sound easy to
+perform require, in fact, a great deal of time.  Reformatting text also
+takes a while, but a significant amount of NAL's expenses are for equipment,
+which was extremely expensive when purchased because it was one of the few
+systems on the market.  The costs of equipment are being amortized over
+five years but are still quite high, nearly $2,000 per month.
+
+HOCKEY raised a general question concerning OCR and the amount of editing
+required (substantial in her experience) to generate the kind of
+structured markup necessary for manipulating the text on the computer or
+loading it into any retrieval system.  She wondered if the speakers could
+extend the previous question about the cost-benefit of adding or exerting
+structured markup.  ERWAY noted that several OCR systems retain italics,
+bolding, and other spatial formatting.  While the material may not be in
+the format desired, these systems possess the ability to remove the
+original materials quickly from the hands of the people performing the
+conversion, as well as to retain that information so that users can work
+with it.  HOCKEY rejoined that the current thinking on markup is that one
+should not say that something is italic or bold so much as why it is that
+way.  To be sure, one needs to know that something was italicized, but
+how can one get from one to the other?  One can map from the structure to
+the typographic representation.
+
+FLEISCHHAUER suggested that, given the 100 million items the Library
+holds, it may not be possible for LC to do more than report that a thing
+was in italics as opposed to why it was italics, although that may be
+desirable in some contexts.  Promising to talk a bit during the afternoon
+session about several experiments OCLC performed on automatic recognition
+of document elements, and which they hoped to extend, WEIBEL said that in
+fact one can recognize the major elements of a document with a fairly
+high degree of reliability, at least as good as OCR.  STEVENS drew a
+useful distinction between standard, generalized markup (i.e., defining
+for a document-type definition the structure of the document), and what
+he termed a style sheet, which had to do with italics, bolding, and other
+forms of emphasis.  Thus, two different components are at work, one being
+the structure of the document itself (its logic), and the other being its
+representation when it is put on the screen or printed.
+
+                                 ******
+
+SESSION V.  APPROACHES TO PREPARING ELECTRONIC TEXTS
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+HOCKEY * Text in ASCII and the representation of electronic text versus
+an image * The need to look at ways of using markup to assist retrieval *
+The need for an encoding format that will be reusable and multifunctional
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Susan HOCKEY, director, Center for Electronic Texts in the Humanities
+(CETH), Rutgers and Princeton Universities, announced that one talk
+(WEIBEL's) was moved into this session from the morning and that David
+Packard was unable to attend.  The session would attempt to focus more on
+what one can do with a text in ASCII and the representation of electronic
+text rather than just an image, what one can do with a computer that
+cannot be done with a book or an image.  It would be argued that one can
+do much more than just read a text, and from that starting point one can
+use markup and methods of preparing the text to take full advantage of
+the capability of the computer.  That would lead to a discussion of what
+the European Community calls REUSABILITY, what may better be termed
+DURABILITY, that is, how to prepare or make a text that will last a long
+time and that can be used for as many applications as possible, which
+would lead to issues of improving intellectual access.
+
+HOCKEY urged the need to look at ways of using markup to facilitate retrieval,
+not just for referencing or to help locate an item that is retrieved, but also to put markup tags in
+a text to help retrieve the thing sought either with linguistic tagging or
+interpretation.  HOCKEY also argued that little advancement had occurred in
+the software tools currently available for retrieving and searching text.
+She pressed the desideratum of going beyond Boolean searches and performing
+more sophisticated searching, which the insertion of more markup in the text
+would facilitate.  Thinking about electronic texts as opposed to images means
+considering material that will never appear in print form, or print will not
+be its primary form, that is, material which only appears in electronic form.
+HOCKEY alluded to the history and the need for markup and tagging and
+electronic text, which was developed through the use of computers in the
+humanities; as MICHELSON had observed, Father Busa had started in 1949
+to prepare the first-ever text on the computer.
+
+HOCKEY remarked several large projects, particularly in Europe, for the
+compilation of dictionaries, language studies, and language analysis, in
+which people have built up archives of text and have begun to recognize
+the need for an encoding format that will be reusable and multifunctional,
+that can be used not just to print the text, which may be assumed to be a
+byproduct of what one wants to do, but to structure it inside the computer
+so that it can be searched, built into a Hypertext system, etc.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+WEIBEL * OCLC's approach to preparing electronic text:  retroconversion,
+keying of texts, more automated ways of developing data * Project ADAPT
+and the CORE Project * Intelligent character recognition does not exist *
+Advantages of SGML * Data should be free of procedural markup;
+descriptive markup strongly advocated * OCLC's interface illustrated *
+Storage requirements and costs for putting a lot of information on line *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Stuart WEIBEL, senior research scientist, Online Computer Library Center,
+Inc. (OCLC), described OCLC's approach to preparing electronic text.  He
+argued that the electronic world into which we are moving must
+accommodate not only the future but the past as well, and to some degree
+even the present.  Thus, starting out at one end with retroconversion and
+keying of texts, one would like to move toward much more automated ways
+of developing data.
+
+For example, Project ADAPT had to do with automatically converting
+document images into a structured document database with OCR text as
+indexing and also a little bit of automatic formatting and tagging of
+that text.  The CORE project hosted by Cornell University, Bellcore,
+OCLC, the American Chemical Society, and Chemical Abstracts, constitutes
+WEIBEL's principal concern at the moment.  This project is an example of
+converting text for which one already has a machine-readable version into
+a format more suitable for electronic delivery and database searching.
+(Since Michael LESK had previously described CORE, WEIBEL would say
+little concerning it.)  Borrowing a chemical phrase, de novo synthesis,
+WEIBEL cited the Online Journal of Current Clinical Trials as an example
+of de novo electronic publishing, that is, a form in which the primary
+form of the information is electronic.
+
+Project ADAPT, then, which OCLC completed a couple of years ago and in
+fact is about to resume, is a model in which one takes page images either
+in paper or microfilm and converts them automatically to a searchable
+electronic database, either on-line or local.  The operating assumption
+is that accepting some blemishes in the data, especially for
+retroconversion of materials, will make it possible to accomplish more.
+Not enough money is available to support perfect conversion.
+
+WEIBEL related several steps taken to perform image preprocessing
+(processing on the image before performing optical character
+recognition), as well as image postprocessing.  He denied the existence
+of intelligent character recognition and asserted that what is wanted is
+page recognition, which is a long way off.  OCLC has experimented with
+merging of multiple optical character recognition systems that will
+reduce errors from an unacceptable rate of 5 characters out of every
+l,000 to an unacceptable rate of 2 characters out of every l,000, but it
+is not good enough.  It will never be perfect.
+
+Concerning the CORE Project, WEIBEL observed that Bellcore is taking the
+topography files, extracting the page images, and converting those
+topography files to SGML markup.  LESK hands that data off to OCLC, which
+builds that data into a Newton database, the same system that underlies
+the on-line system in virtually all of the reference products at OCLC.
+The long-term goal is to make the systems interoperable so that not just
+Bellcore's system and OCLC's system can access this data, but other
+systems can as well, and the key to that is the Z39.50 common command
+language and the full-text extension.  Z39.50 is fine for MARC records,
+but is not enough to do it for full text (that is, make full texts
+interoperable).
+
+WEIBEL next outlined the critical role of SGML for a variety of purposes,
+for example, as noted by HOCKEY, in the world of extremely large
+databases, using highly structured data to perform field searches.
+WEIBEL argued that by building the structure of the data in (i.e., the
+structure of the data originally on a printed page), it becomes easy to
+look at a journal article even if one cannot read the characters and know
+where the title or author is, or what the sections of that document would be.
+OCLC wants to make that structure explicit in the database, because it will
+be important for retrieval purposes.
+
+The second big advantage of SGML is that it gives one the ability to
+build structure into the database that can be used for display purposes
+without contaminating the data with instructions about how to format
+things.  The distinction lies between procedural markup, which tells one
+where to put dots on the page, and descriptive markup, which describes
+the elements of a document.
+
+WEIBEL believes that there should be no procedural markup in the data at
+all, that the data should be completely unsullied by information about
+italics or boldness.  That should be left up to the display device,
+whether that display device is a page printer or a screen display device.
+By keeping one's database free of that kind of contamination, one can
+make decisions down the road, for example, reorganize the data in ways
+that are not cramped by built-in notions of what should be italic and
+what should be bold.  WEIBEL strongly advocated descriptive markup.  As
+an example, he illustrated the index structure in the CORE data.  With
+subsequent illustrated examples of markup, WEIBEL acknowledged the common
+complaint that SGML is hard to read in its native form, although markup
+decreases considerably once one gets into the body.  Without the markup,
+however, one would not have the structure in the data.  One can pass
+markup through a LaTeX processor and convert it relatively easily to a
+printed version of the document.
+
+WEIBEL next illustrated an extremely cluttered screen dump of OCLC's
+system, in order to show as much as possible the inherent capability on
+the screen.  (He noted parenthetically that he had become a supporter of
+X-Windows as a result of the progress of the CORE Project.)  WEIBEL also
+illustrated the two major parts of the interface:  l) a control box that
+allows one to generate lists of items, which resembles a small table of
+contents based on key words one wishes to search, and 2) a document
+viewer, which is a separate process in and of itself.  He demonstrated
+how to follow links through the electronic database simply by selecting
+the appropriate button and bringing them up.  He also noted problems that
+remain to be accommodated in the interface (e.g., as pointed out by LESK,
+what happens when users do not click on the icon for the figure).
+
+Given the constraints of time, WEIBEL omitted a large number of ancillary
+items in order to say a few words concerning storage requirements and
+what will be required to put a lot of things on line.  Since it is
+extremely expensive to reconvert all of this data, especially if it is
+just in paper form (and even if it is in electronic form in typesetting
+tapes), he advocated building journals electronically from the start.  In
+that case, if one only has text graphics and indexing (which is all that
+one needs with de novo electronic publishing, because there is no need to
+go back and look at bit-maps of pages), one can get 10,000 journals of
+full text, or almost 6 million pages per year.  These pages can be put in
+approximately 135 gigabytes of storage, which is not all that much,
+WEIBEL said.  For twenty years, something less than three terabytes would
+be required.  WEIBEL calculated the costs of storing this information as
+follows:  If a gigabyte costs approximately $1,000, then a terabyte costs
+approximately $1 million to buy in terms of hardware.  One also needs a
+building to put it in and a staff like OCLC to handle that information.
+So, to support a terabyte, multiply by five, which gives $5 million per
+year for a supported terabyte of data.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+DISCUSSION * Tapes saved by ACS are the typography files originally
+supporting publication of the journal * Cost of building tagged text into
+the database *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+During the question-and-answer period that followed WEIBEL's
+presentation, these clarifications emerged.  The tapes saved by the
+American Chemical Society are the typography files that originally
+supported the publication of the journal.  Although they are not tagged
+in SGML, they are tagged in very fine detail.  Every single sentence is
+marked, all the registry numbers, all the publications issues, dates, and
+volumes.  No cost figures on tagging material on a per-megabyte basis
+were available.  Because ACS's typesetting system runs from tagged text,
+there is no extra cost per article.  It was unknown what it costs ACS to
+keyboard the tagged text rather than just keyboard the text in the
+cheapest process.  In other words, since one intends to publish things
+and will need to build tagged text into a typography system in any case,
+if one does that in such a way that it can drive not only typography but
+an electronic system (which is what ACS intends to do--move to SGML
+publishing), the marginal cost is zero.  The marginal cost represents the
+cost of building tagged text into the database, which is small.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+SPERBERG-McQUEEN * Distinction between texts and computers * Implications
+of recognizing that all representation is encoding * Dealing with
+complicated representations of text entails the need for a grammar of
+documents * Variety of forms of formal grammars * Text as a bit-mapped
+image does not represent a serious attempt to represent text in
+electronic form * SGML, the TEI, document-type declarations, and the
+reusability and longevity of data * TEI conformance explicitly allows
+extension or modification of the TEI tag set * Administrative background
+of the TEI * Several design goals for the TEI tag set * An absolutely
+fixed requirement of the TEI Guidelines * Challenges the TEI has
+attempted to face * Good texts not beyond economic feasibility * The
+issue of reproducibility or processability * The issue of mages as
+simulacra for the text redux * One's model of text determines what one's
+software can do with a text and has economic consequences *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Prior to speaking about SGML and markup, Michael SPERBERG-McQUEEN, editor,
+Text Encoding Initiative (TEI), University of Illinois-Chicago, first drew
+a distinction between texts and computers:  Texts are abstract cultural
+and linguistic objects while computers are complicated physical devices,
+he said.  Abstract objects cannot be placed inside physical devices; with
+computers one can only represent text and act upon those representations.
+
+The recognition that all representation is encoding, SPERBERG-McQUEEN
+argued, leads to the recognition of two things:  1) The topic description
+for this session is slightly misleading, because there can be no discussion
+of pros and cons of text-coding unless what one means is pros and cons of
+working with text with computers.  2) No text can be represented in a
+computer without some sort of encoding; images are one way of encoding text,
+ASCII is another, SGML yet another.  There is no encoding without some
+information loss, that is, there is no perfect reproduction of a text that
+allows one to do away with the original.  Thus, the question becomes,
+What is the most useful representation of text for a serious work?
+This depends on what kind of serious work one is talking about.
+
+The projects demonstrated the previous day all involved highly complex
+information and fairly complex manipulation of the textual material.
+In order to use that complicated information, one has to calculate it
+slowly or manually and store the result.  It needs to be stored, therefore,
+as part of one's representation of the text.  Thus, one needs to store the
+structure in the text.  To deal with complicated representations of text,
+one needs somehow to control the complexity of the representation of a text;
+that means one needs a way of finding out whether a document and an
+electronic representation of a document is legal or not; and that
+means one needs a grammar of documents.
+
+SPERBERG-McQUEEN discussed the variety of forms of formal grammars,
+implicit and explicit, as applied to text, and their capabilities.  He
+argued that these grammars correspond to different models of text that
+different developers have.  For example, one implicit model of the text
+is that there is no internal structure, but just one thing after another,
+a few characters and then perhaps a start-title command, and then a few
+more characters and an end-title command.  SPERBERG-McQUEEN also
+distinguished several kinds of text that have a sort of hierarchical
+structure that is not very well defined, which, typically, corresponds
+to grammars that are not very well defined, as well as hierarchies that
+are very well defined (e.g., the Thesaurus Linguae Graecae) and extremely
+complicated things such as SGML, which handle strictly hierarchical data
+very nicely.
+
+SPERBERG-McQUEEN conceded that one other model not illustrated on his two
+displays was the model of text as a bit-mapped image, an image of a page,
+and confessed to having been converted to a limited extent by the
+Workshop to the view that electronic images constitute a promising,
+probably superior alternative to microfilming.  But he was not convinced
+that electronic images represent a serious attempt to represent text in
+electronic form.  Many of their problems stem from the fact that they are
+not direct attempts to represent the text but attempts to represent the
+page, thus making them representations of representations.
+
+In this situation of increasingly complicated textual information and the
+need to control that complexity in a useful way (which begs the question
+of the need for good textual grammars), one has the introduction of SGML.
+With SGML, one can develop specific document-type declarations
+for specific text types or, as with the TEI, attempts to generate
+general document-type declarations that can handle all sorts of text.
+The TEI is an attempt to develop formats for text representation that
+will ensure the kind of reusability and longevity of data discussed earlier.
+It offers a way to stay alive in the state of permanent technological
+revolution.
+
+It has been a continuing challenge in the TEI to create document grammars
+that do some work in controlling the complexity of the textual object but
+also allowing one to represent the real text that one will find.
+Fundamental to the notion of the TEI is that TEI conformance allows one
+the ability to extend or modify the TEI tag set so that it fits the text
+that one is attempting to represent.
+
+SPERBERG-McQUEEN next outlined the administrative background of the TEI.
+The TEI is an international project to develop and disseminate guidelines
+for the encoding and interchange of machine-readable text.  It is
+sponsored by the Association for Computers in the Humanities, the
+Association for Computational Linguistics, and the Association for
+Literary and Linguistic Computing.  Representatives of numerous other
+professional societies sit on its advisory board.  The TEI has a number
+of affiliated projects that have provided assistance by testing drafts of
+the guidelines.
+
+Among the design goals for the TEI tag set, the scheme first of all must
+meet the needs of research, because the TEI came out of the research
+community, which did not feel adequately served by existing tag sets.
+The tag set must be extensive as well as compatible with existing and
+emerging standards.  In 1990, version 1.0 of the Guidelines was released
+(SPERBERG-McQUEEN illustrated their contents).
+
+SPERBERG-McQUEEN noted that one problem besetting electronic text has
+been the lack of adequate internal or external documentation for many
+existing electronic texts.  The TEI guidelines as currently formulated
+contain few fixed requirements, but one of them is this:  There must
+always be a document header, an in-file SGML tag that provides
+1) a bibliographic description of the electronic object one is talking
+about (that is, who included it, when, what for, and under which title);
+and 2) the copy text from which it was derived, if any.  If there was
+no copy text or if the copy text is unknown, then one states as much.
+Version 2.0 of the Guidelines was scheduled to be completed in fall 1992
+and a revised third version is to be presented to the TEI advisory board
+for its endorsement this coming winter.  The TEI itself exists to provide
+a markup language, not a marked-up text.
+
+Among the challenges the TEI has attempted to face is the need for a
+markup language that will work for existing projects, that is, handle the
+level of markup that people are using now to tag only chapter, section,
+and paragraph divisions and not much else.  At the same time, such a
+language also will be able to scale up gracefully to handle the highly
+detailed markup which many people foresee as the future destination of
+much electronic text, and which is not the future destination but the
+present home of numerous electronic texts in specialized areas.
+
+SPERBERG-McQUEEN dismissed the lowest-common-denominator approach as
+unable to support the kind of applications that draw people who have
+never been in the public library regularly before, and make them come
+back.  He advocated more interesting text and more intelligent text.
+Asserting that it is not beyond economic feasibility to have good texts,
+SPERBERG-McQUEEN noted that the TEI Guidelines listing 200-odd tags
+contains tags that one is expected to enter every time the relevant
+textual feature occurs.  It contains all the tags that people need now,
+and it is not expected that everyone will tag things in the same way.
+
+The question of how people will tag the text is in large part a function
+of their reaction to what SPERBERG-McQUEEN termed the issue of
+reproducibility.  What one needs to be able to reproduce are the things
+one wants to work with.  Perhaps a more useful concept than that of
+reproducibility or recoverability is that of processability, that is,
+what can one get from an electronic text without reading it again
+in the original.  He illustrated this contention with a page from
+Jan Comenius's bilingual Introduction to Latin.
+
+SPERBERG-McQUEEN returned at length to the issue of images as simulacra
+for the text, in order to reiterate his belief that in the long run more
+than images of pages of particular editions of the text are needed,
+because just as second-generation photocopies and second-generation
+microfilm degenerate, so second-generation representations tend to
+degenerate, and one tends to overstress some relatively trivial aspects
+of the text such as its layout on the page, which is not always
+significant, despite what the text critics might say, and slight other
+pieces of information such as the very important lexical ties between the
+English and Latin versions of Comenius's bilingual text, for example.
+Moreover, in many crucial respects it is easy to fool oneself concerning
+what a scanned image of the text will accomplish.  For example, in order
+to study the transmission of texts, information concerning the text
+carrier is necessary, which scanned images simply do not always handle.
+Further, even the high-quality materials being produced at Cornell use
+much of the information that one would need if studying those books as
+physical objects.  It is a choice that has been made.  It is an arguably
+justifiable choice, but one does not know what color those pen strokes in
+the margin are or whether there was a stain on the page, because it has
+been filtered out.  One does not know whether there were rips in the page
+because they do not show up, and on a couple of the marginal marks one
+loses half of the mark because the pen is very light and the scanner
+failed to pick it up, and so what is clearly a checkmark in the margin of
+the original becomes a little scoop in the margin of the facsimile.
+Standard problems for facsimile editions, not new to electronics, but
+also true of light-lens photography, and are remarked here because it is
+important that we not fool ourselves that even if we produce a very nice
+image of this page with good contrast, we are not replacing the
+manuscript any more than microfilm has replaced the manuscript.
+
+The TEI comes from the research community, where its first allegiance
+lies, but it is not just an academic exercise.  It has relevance far
+beyond those who spend all of their time studying text, because one's
+model of text determines what one's software can do with a text.  Good
+models lead to good software.  Bad models lead to bad software.  That has
+economic consequences, and it is these economic consequences that have
+led the European Community to help support the TEI, and that will lead,
+SPERBERG-McQUEEN hoped, some software vendors to realize that if they
+provide software with a better model of the text they can make a killing.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+DISCUSSION * Implications of different DTDs and tag sets * ODA versus SGML *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+During the discussion that followed, several additional points were made.
+Neither AAP (i.e., Association of American Publishers) nor CALS (i.e.,
+Computer-aided Acquisition and Logistics Support) has a document-type
+definition for ancient Greek drama, although the TEI will be able to
+handle that.  Given this state of affairs and assuming that the
+technical-journal producers and the commercial vendors decide to use the
+other two types, then an institution like the Library of Congress, which
+might receive all of their publications, would have to be able to handle
+three different types of document definitions and tag sets and be able to
+distinguish among them.
+
+Office Document Architecture (ODA) has some advantages that flow from its
+tight focus on office documents and clear directions for implementation.
+Much of the ODA standard is easier to read and clearer at first reading
+than the SGML standard, which is extremely general.  What that means is
+that if one wants to use graphics in TIFF and ODA, one is stuck, because
+ODA defines graphics formats while TIFF does not, whereas SGML says the
+world is not waiting for this work group to create another graphics format.
+What is needed is an ability to use whatever graphics format one wants.
+
+The TEI provides a socket that allows one to connect the SGML document to
+the graphics.  The notation that the graphics are in is clearly a choice
+that one needs to make based on her or his environment, and that is one
+advantage.  SGML is less megalomaniacal in attempting to define formats
+for all kinds of information, though more megalomaniacal in attempting to
+cover all sorts of documents.  The other advantage is that the model of
+text represented by SGML is simply an order of magnitude richer and more
+flexible than the model of text offered by ODA.  Both offer hierarchical
+structures, but SGML recognizes that the hierarchical model of the text
+that one is looking at may not have been in the minds of the designers,
+whereas ODA does not.
+
+ODA is not really aiming for the kind of document that the TEI wants to
+encompass.  The TEI can handle the kind of material ODA has, as well as a
+significantly broader range of material.  ODA seems to be very much
+focused on office documents, which is what it started out being called--
+office document architecture.
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+CALALUCA * Text-encoding from a publisher's perspective *
+Responsibilities of a publisher * Reproduction of Migne's Latin series
+whole and complete with SGML tags based on perceived need and expected
+use * Particular decisions arising from the general decision to produce
+and publish PLD *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+The final speaker in this session, Eric CALALUCA, vice president,
+Chadwyck-Healey, Inc., spoke from the perspective of a publisher re
+text-encoding, rather than as one qualified to discuss methods of
+encoding data, and observed that the presenters sitting in the room,
+whether they had chosen to or not, were acting as publishers:  making
+choices, gathering data, gathering information, and making assessments.
+CALALUCA offered the hard-won conviction that in publishing very large
+text files (such as PLD), one cannot avoid making personal judgments of
+appropriateness and structure.
+
+In CALALUCA's view, encoding decisions stem from prior judgments.  Two
+notions have become axioms for him in the consideration of future sources
+for electronic publication:  1) electronic text publishing is as personal
+as any other kind of publishing, and questions of if and how to encode
+the data are simply a consequence of that prior decision;  2) all
+personal decisions are open to criticism, which is unavoidable.
+
+CALALUCA rehearsed his role as a publisher or, better, as an intermediary
+between what is viewed as a sound idea and the people who would make use
+of it.  Finding the specialist to advise in this process is the core of
+that function.  The publisher must monitor and hug the fine line between
+giving users what they want and suggesting what they might need.  One
+responsibility of a publisher is to represent the desires of scholars and
+research librarians as opposed to bullheadedly forcing them into areas
+they would not choose to enter.
+
+CALALUCA likened the questions being raised today about data structure
+and standards to the decisions faced by the Abbe Migne himself during
+production of the Patrologia series in the mid-nineteenth century.
+Chadwyck-Healey's decision to reproduce Migne's Latin series whole and
+complete with SGML tags was also based upon a perceived need and an
+expected use.  In the same way that Migne's work came to be far more than
+a simple handbook for clerics, PLD is already far more than a database
+for theologians.  It is a bedrock source for the study of Western
+civilization, CALALUCA asserted.
+
+In regard to the decision to produce and publish PLD, the editorial board
+offered direct judgments on the question of appropriateness of these
+texts for conversion, their encoding and their distribution, and
+concluded that the best possible project was one that avoided overt
+intrusions or exclusions in so important a resource.  Thus, the general
+decision to transmit the original collection as clearly as possible with
+the widest possible avenues for use led to other decisions:  1) To encode
+the data or not, SGML or not, TEI or not.  Again, the expected user
+community asserted the need for normative tagging structures of important
+humanities texts, and the TEI seemed the most appropriate structure for
+that purpose.  Research librarians, who are trained to view the larger
+impact of electronic text sources on 80 or 90 or 100 doctoral
+disciplines, loudly approved the decision to include tagging.  They see
+what is coming better than the specialist who is completely focused on
+one edition of Ambrose's De Anima, and they also understand that the
+potential uses exceed present expectations.  2) What will be tagged and
+what will not.  Once again, the board realized that one must tag the
+obvious.  But in no way should one attempt to identify through encoding
+schemes every single discrete area of a text that might someday be
+searched.  That was another decision.  Searching by a column number, an
+author, a word, a volume, permitting combination searches, and tagging
+notations seemed logical choices as core elements.  3) How does one make
+the data available?  Tieing it to a CD-ROM edition creates limitations,
+but a magnetic tape file that is very large, is accompanied by the
+encoding specifications, and that allows one to make local modifications
+also allows one to incorporate any changes one may desire within the
+bounds of private research, though exporting tag files from a CD-ROM
+could serve just as well.  Since no one on the board could possibly
+anticipate each and every way in which a scholar might choose to mine
+this data bank, it was decided to satisfy the basics and make some
+provisions for what might come.  4) Not to encode the database would rob
+it of the interchangeability and portability these important texts should
+accommodate.  For CALALUCA, the extensive options presented by full-text
+searching require care in text selection and strongly support encoding of
+data to facilitate the widest possible search strategies.  Better
+software can always be created, but summoning the resources, the people,
+and the energy to reconvert the text is another matter.
+
+PLD is being encoded, captured, and distributed, because to
+Chadwyck-Healey and the board it offers the widest possible array of
+future research applications that can be seen today.  CALALUCA concluded
+by urging the encoding of all important text sources in whatever way
+seems most appropriate and durable at the time, without blanching at the
+thought that one's work may require emendation in the future.  (Thus,
+Chadwyck-Healey produced a very large humanities text database before the
+final release of the TEI Guidelines.)
+
+                                 ******
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+DISCUSSION * Creating texts with markup advocated * Trends in encoding *
+The TEI and the issue of interchangeability of standards * A
+misconception concerning the TEI * Implications for an institution like
+LC in the event that a multiplicity of DTDs develops * Producing images
+as a first step towards possible conversion to full text through
+character recognition * The AAP tag sets as a common starting point and
+the need for caution *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+HOCKEY prefaced the discussion that followed with several comments in
+favor of creating texts with markup and on trends in encoding.  In the
+future, when many more texts are available for on-line searching, real
+problems in finding what is wanted will develop, if one is faced with
+millions of words of data.  It therefore becomes important to consider
+putting markup in texts to help searchers home in on the actual things
+they wish to retrieve.  Various approaches to refining retrieval methods
+toward this end include building on a computer version of a dictionary
+and letting the computer look up words in it to obtain more information
+about the semantic structure or semantic field of a word, its grammatical
+structure, and syntactic structure.
+
+HOCKEY commented on the present keen interest in the encoding world
+in creating:  1) machine-readable versions of dictionaries that can be
+initially tagged in SGML, which gives a structure to the dictionary entry;
+these entries can then be converted into a more rigid or otherwise
+different database structure inside the computer, which can be treated as
+a dynamic tool for searching mechanisms; 2) large bodies of text to study
+the language.  In order to incorporate more sophisticated mechanisms,
+more about how words behave needs to be known, which can be learned in
+part from information in dictionaries.  However, the last ten years have
+seen much interest in studying the structure of printed dictionaries
+converted into computer-readable form.  The information one derives about
+many words from those is only partial, one or two definitions of the
+common or the usual meaning of a word, and then numerous definitions of
+unusual usages.  If the computer is using a dictionary to help retrieve
+words in a text, it needs much more information about the common usages,
+because those are the ones that occur over and over again.  Hence the
+current interest in developing large bodies of text in computer-readable
+form in order to study the language.  Several projects are engaged in
+compiling, for example, 100 million words. HOCKEY described one with
+which she was associated briefly at Oxford University involving
+compilation of 100 million words of British English:  about 10 percent of
+that will contain detailed linguistic tagging encoded in SGML; it will
+have word class taggings, with words identified as nouns, verbs,
+adjectives, or other parts of speech.  This tagging can then be used by
+programs which will begin to learn a bit more about the structure of the
+language, and then, can go to tag more text.
+
+HOCKEY said that the more that is tagged accurately, the more one can
+refine the tagging process and thus the bigger body of text one can build
+up with linguistic tagging incorporated into it.  Hence, the more tagging
+or annotation there is in the text, the more one may begin to learn about
+language and the more it will help accomplish more intelligent OCR.  She
+recommended the development of software tools that will help one begin to
+understand more about a text, which can then be applied to scanning
+images of that text in that format and to using more intelligence to help
+one interpret or understand the text.
+
+HOCKEY posited the need to think about common methods of text-encoding
+for a long time to come, because building these large bodies of text is
+extremely expensive and will only be done once.
+
+In the more general discussion on approaches to encoding that followed,
+these points were made:
+
+BESSER identified the underlying problem with standards that all have to
+struggle with in adopting a standard, namely, the tension between a very
+highly defined standard that is very interchangeable but does not work
+for everyone because something is lacking, and a standard that is less
+defined, more open, more adaptable, but less interchangeable.  Contending
+that the way in which people use SGML is not sufficiently defined, BESSER
+wondered 1) if people resist the TEI because they think it is too defined
+in certain things they do not fit into, and 2) how progress with
+interchangeability can be made without frightening people away.
+
+SPERBERG-McQUEEN replied that the published drafts of the TEI had met
+with surprisingly little objection on the grounds that they do not allow
+one to handle X or Y or Z.  Particular concerns of the affiliated
+projects have led, in practice, to discussions of how extensions are to
+be made; the primary concern of any project has to be how it can be
+represented locally, thus making interchange secondary.  The TEI has
+received much criticism based on the notion that everything in it is
+required or even recommended, which, as it happens, is a misconception
+from the beginning,   because none of it is required and very little is
+actually actively recommended for all cases, except that one document
+one's source.
+
+SPERBERG-McQUEEN agreed with BESSER about this trade-off:  all the
+projects in a set of twenty TEI-conformant projects will not necessarily
+tag the material in the same way.  One result of the TEI will be that the
+easiest problems will be solved--those dealing with the external form of
+the information; but the problem that is hardest in interchange is that
+one is not encoding what another wants, and vice versa.  Thus, after
+the adoption of a common notation, the differences in the underlying
+conceptions of what is interesting about texts become more visible.
+The success of a standard like the TEI will lie in the ability of
+the recipient of interchanged texts to use some of what it contains
+and to add the information that was not encoded that one wants, in a
+layered way, so that texts can be gradually enriched and one does not
+have to put in everything all at once.  Hence, having a well-behaved
+markup scheme is important.
+
+STEVENS followed up on the paradoxical analogy that BESSER alluded to in
+the example of the MARC records, namely, the formats that are the same
+except that they are different.  STEVENS drew a parallel between
+document-type definitions and MARC records for books and serials and maps,
+where one has a tagging structure and there is a text-interchange.
+STEVENS opined that the producers of the information will set the terms
+for the standard (i.e., develop document-type definitions for the users
+of their products), creating a situation that will be problematical for
+an institution like the Library of Congress, which will have to deal with
+the DTDs in the event that a multiplicity of them develops.  Thus,
+numerous people are seeking a standard but cannot find the tag set that
+will be acceptable to them and their clients.  SPERBERG-McQUEEN agreed
+with this view, and said that the situation was in a way worse:  attempting
+to unify arbitrary DTDs resembled attempting to unify a MARC record with a
+bibliographic record done according to the Prussian instructions.
+According to STEVENS, this situation occurred very early in the process.
+
+WATERS recalled from early discussions on Project Open Book the concern
+of many people that merely by producing images, POB was not really
+enhancing intellectual access to the material.  Nevertheless, not wishing
+to overemphasize the opposition between imaging and full text, WATERS
+stated that POB views getting the images as a first step toward possibly
+converting to full text through character recognition, if the technology
+is appropriate.  WATERS also emphasized that encoding is involved even
+with a set of images.
+
+SPERBERG-McQUEEN agreed with WATERS that one can create an SGML document
+consisting wholly of images.  At first sight, organizing graphic images
+with an SGML document may not seem to offer great advantages, but the
+advantages of the scheme WATERS described would be precisely that
+ability to move into something that is more of a multimedia document:
+a combination of transcribed text and page images.  WEIBEL concurred in
+this judgment, offering evidence from Project ADAPT, where a page is
+divided into text elements and graphic elements, and in fact the text
+elements are organized by columns and lines.  These lines may be used as
+the basis for distributing documents in a network environment.  As one
+develops software intelligent enough to recognize what those elements
+are, it makes sense to apply SGML to an image initially, that may, in
+fact, ultimately become more and more text, either through OCR or edited
+OCR or even just through keying.  For WATERS, the labor of composing the
+document and saying this set of documents or this set of images belongs
+to this document constitutes a significant investment.
+
+WEIBEL also made the point that the AAP tag sets, while not excessively
+prescriptive, offer a common starting point; they do not define the
+structure of the documents, though.  They have some recommendations about
+DTDs one could use as examples, but they do just suggest tag sets.   For
+example, the CORE project attempts to use the AAP markup as much as
+possible, but there are clearly areas where structure must be added.
+That in no way contradicts the use of AAP tag sets.
+
+SPERBERG-McQUEEN noted that the TEI prepared a long working paper early
+on about the AAP tag set and what it lacked that the TEI thought it
+needed, and a fairly long critique of the naming conventions, which has
+led to a very different style of naming in the TEI.  He stressed the
+importance of the opposition between prescriptive markup, the kind that a
+publisher or anybody can do when producing documents de novo, and
+descriptive markup, in which one has to take what the text carrier
+provides.  In these particular tag sets it is easy to overemphasize this
+opposition, because the AAP tag set is extremely flexible.  Even if one
+just used the DTDs, they allow almost anything to appear almost anywhere.
+
+                                 ******
+
+SESSION VI.  COPYRIGHT ISSUES
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+PETERS * Several cautions concerning copyright in an electronic
+environment * Review of copyright law in the United States * The notion
+of the public good and the desirability of incentives to promote it *
+What copyright protects * Works not protected by copyright * The rights
+of copyright holders * Publishers' concerns in today's electronic
+environment * Compulsory licenses * The price of copyright in a digital
+medium and the need for cooperation * Additional clarifications *  Rough
+justice oftentimes the outcome in numerous copyright matters * Copyright
+in an electronic society * Copyright law always only sets up the
+boundaries; anything can be changed by contract *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+Marybeth PETERS, policy planning adviser to the Register of Copyrights,
+Library of Congress,   made several general comments and then opened the
+floor to discussion of subjects of interest to the audience.
+
+Having attended several sessions in an effort to gain a sense of what
+people did and where copyright would affect their lives, PETERS expressed
+the following cautions:
+
+     * If one takes and converts materials and puts them in new forms,
+     then, from a copyright point of view, one is creating something and
+     will receive some rights.
+
+     * However, if what one is converting already exists, a question
+     immediately arises about the status of the materials in question.
+
+     * Putting something in the public domain in the United States offers
+     some freedom from anxiety, but distributing it throughout the world
+     on a network is another matter, even if one has put it in the public
+     domain in the United States.  Re foreign laws, very frequently a
+     work can be in the public domain in the United States but protected
+     in other countries.  Thus, one must consider all of the places a
+     work may reach, lest one unwittingly become liable to being faced
+     with a suit for copyright infringement, or at least a letter
+     demanding discussion of what one is doing.
+
+PETERS reviewed copyright law in the United States.  The U.S.
+Constitution effectively states that Congress has the power to enact
+copyright laws for two purposes:  1) to encourage the creation and
+dissemination of intellectual works for the good of society as a whole;
+and, significantly, 2) to give creators and those who package and
+disseminate materials the economic rewards that are due them.
+
+Congress strives to strike a balance, which at times can become an
+emotional issue.  The United States has never accepted the notion of the
+natural right of an author so much as it has accepted the notion of the
+public good and the desirability of incentives to promote it.  This state
+of affairs, however, has created strains on the international level and
+is the reason for several of the differences in the laws that we have.
+Today the United States protects almost every kind of work that can be
+called an expression of an author.  The standard for gaining copyright
+protection is simply originality.  This is a low standard and means that
+a work is not copied from something else, as well as shows a certain
+minimal amount of authorship.  One can also acquire copyright protection
+for making a new version of preexisting material, provided it manifests
+some spark of creativity.
+
+However, copyright does not protect ideas, methods, systems--only the way
+that one expresses those things.  Nor does copyright protect anything
+that is mechanical, anything that does not involve choice, or criteria
+concerning whether or not one should do a thing.  For example, the
+results of a process called declicking, in which one mechanically removes
+impure sounds from old recordings, are not copyrightable.  On the other
+hand, the choice to record a song digitally and to increase the sound of
+violins or to bring up the tympani constitutes the results of conversion
+that are copyrightable.  Moreover, if a work is protected by copyright in
+the United States, one generally needs the permission of the copyright
+owner to convert it.  Normally, who will own the new--that is, converted-
+-material is a matter of contract.  In the absence of a contract, the
+person who creates the new material is the author and owner.  But people
+do not generally think about the copyright implications until after the
+fact.  PETERS stressed the need when dealing with copyrighted works to
+think about copyright in advance.  One's bargaining power is much greater
+up front than it is down the road.
+
+PETERS next discussed works not protected by copyright, for example, any
+work done by a federal employee as part of his or her official duties is
+in the public domain in the United States.  The issue is not wholly free
+of doubt concerning whether or not the work is in the public domain
+outside the United States.  Other materials in the public domain include:
+any works published more than seventy-five years ago, and any work
+published in the United States more than twenty-eight years ago, whose
+copyright was not renewed.  In talking about the new technology and
+putting material in a digital form to send all over the world, PETERS
+cautioned, one must keep in mind that while the rights may not be an
+issue in the United States, they may be in different parts of the world,
+where most countries previously employed a copyright term of the life of
+the author plus fifty years.
+
+PETERS next reviewed the economics of copyright holding.  Simply,
+economic rights are the rights to control the reproduction of a work in
+any form.  They belong to the author, or in the case of a work made for
+hire, the employer.  The second right, which is critical to conversion,
+is the right to change a work.  The right to make new versions is perhaps
+one of the most significant rights of authors, particularly in an
+electronic world.  The third right is the right to publish the work and
+the right to disseminate it, something that everyone who deals in an
+electronic medium needs to know.  The basic rule is if a copy is sold,
+all rights of distribution are extinguished with the sale of that copy.
+The key is that it must be sold.  A number of companies overcome this
+obstacle by leasing or renting their product.  These companies argue that
+if the material is rented or leased and not sold, they control the uses
+of a work.  The fourth right, and one very important in a digital world,
+is a right of public performance, which means the right to show the work
+sequentially.  For example, copyright owners control the showing of a
+CD-ROM product in a public place such as a public library.  The reverse
+side of public performance is something called the right of public
+display.  Moral rights also exist, which at the federal level apply only
+to very limited visual works of art, but in theory may apply under
+contract and other principles.  Moral rights may include the right of an
+author to have his or her name on a work, the right of attribution, and
+the right to object to distortion or mutilation--the right of integrity.
+
+The way copyright law is worded gives much latitude to activities such as
+preservation; to use of material for scholarly and research purposes when
+the user does not make multiple copies; and to the generation of
+facsimile copies of unpublished works by libraries for themselves and
+other libraries.  But the law does not allow anyone to become the
+distributor of the product for the entire world.  In today's electronic
+environment, publishers are extremely concerned that the entire world is
+networked and can obtain the information desired from a single copy in a
+single library.  Hence, if there is to be only one sale, which publishers
+may choose to live with, they will obtain their money in other ways, for
+example, from access and use.  Hence, the development of site licenses
+and other kinds of agreements to cover what publishers believe they
+should be compensated for.  Any solution that the United States takes
+today has to consider the international arena.
+
+Noting that the United States is a member of the Berne Convention and
+subscribes to its provisions, PETERS described the permissions process.
+She also defined compulsory licenses.  A compulsory license, of which the
+United States has had a few, builds into the law the right to use a work
+subject to certain terms and conditions.  In the international arena,
+however, the ability to use compulsory licenses is extremely limited.
+Thus, clearinghouses and other collectives comprise one option that has
+succeeded in providing for use of a work.  Often overlooked when one
+begins to use copyrighted material and put products together is how
+expensive the permissions process and managing it is.  According to
+PETERS, the price of copyright in a digital medium, whatever solution is
+worked out, will include managing and assembling the database.  She
+strongly recommended that publishers and librarians or people with
+various backgrounds cooperate to work out administratively feasible
+systems, in order to produce better results.
+
+In the lengthy question-and-answer period that followed PETERS's
+presentation, the following points emerged:
+
+     * The Copyright Office maintains that anything mechanical and
+     totally exhaustive probably is not protected.  In the event that
+     what an individual did in developing potentially copyrightable
+     material is not understood, the Copyright Office will ask about the
+     creative choices the applicant chose to make or not to make.  As a
+     practical matter, if one believes she or he has made enough of those
+     choices, that person has a right to assert a copyright and someone
+     else must assert that the work is not copyrightable.  The more
+     mechanical, the more automatic, a thing is, the less likely it is to
+     be copyrightable.
+
+     * Nearly all photographs are deemed to be copyrightable, but no one
+     worries about them much, because everyone is free to take the same
+     image.  Thus, a photographic copyright represents what is called a
+     "thin" copyright.  The photograph itself must be duplicated, in
+     order for copyright to be violated.
+
+     * The Copyright Office takes the position that X-rays are not
+     copyrightable because they are mechanical.  It  can be argued
+     whether or not image enhancement in scanning can be protected.  One
+     must exercise care with material created with public funds and
+     generally in the public domain.  An article written by a federal
+     employee, if written as part of official duties, is not
+     copyrightable.  However, control over a scientific article written
+     by a National Institutes of Health grantee (i.e., someone who
+     receives money from the U.S. government), depends on NIH policy.  If
+     the government agency has no policy (and that policy can be
+     contained in its regulations, the contract, or the grant), the
+     author retains copyright.  If a provision of the contract, grant, or
+     regulation states that there will be no copyright, then it does not
+     exist.  When a work is created, copyright automatically comes into
+     existence unless something exists that says it does not.
+
+     * An enhanced electronic copy of a print copy of an older reference
+     work in the public domain that does not contain copyrightable new
+     material is a purely mechanical rendition of the original work, and
+     is not copyrightable.
+
+     * Usually, when a work enters the public domain, nothing can remove
+     it.  For example, Congress recently passed into law the concept of
+     automatic renewal, which means that copyright on any work published
+     between l964 and l978 does not have to be renewed in order to
+     receive a seventy-five-year term.  But any work not renewed before
+     1964 is in the public domain.
+
+     * Concerning whether or not the United States keeps track of when
+     authors die, nothing was ever done, nor is anything being done at
+     the moment by the Copyright Office.
+
+     * Software that drives a mechanical process is itself copyrightable.
+     If one changes platforms, the software itself has a copyright.  The
+     World Intellectual Property Organization will hold a symposium 28
+     March through 2 April l993, at Harvard University, on digital
+     technology, and will study this entire issue.  If one purchases a
+     computer software package, such as MacPaint, and creates something
+     new, one receives protection only for that which has been added.
+
+PETERS added that often in copyright matters, rough justice is the
+outcome, for example, in collective licensing, ASCAP (i.e., American
+Society of Composers, Authors, and Publishers), and BMI (i.e., Broadcast
+Music, Inc.), where it may seem that the big guys receive more than their
+due.  Of course, people ought not to copy a creative product without
+paying for it; there should be some compensation.  But the truth of the
+world, and it is not a great truth, is that the big guy gets played on
+the radio more frequently than the little guy, who has to do much more
+until he becomes a big guy.  That is true of every author, every
+composer, everyone, and, unfortunately, is part of life.
+
+Copyright always originates with the author, except in cases of works
+made for hire.  (Most software falls into this category.)  When an author
+sends his article to a journal, he has not relinquished copyright, though
+he retains the right to relinquish it.  The author receives absolutely
+everything.  The less prominent the author, the more leverage the
+publisher will have in contract negotiations.  In order to transfer the
+rights, the author must sign an agreement giving them away.
+
+In an electronic society, it is important to be able to license a writer
+and work out deals.  With regard to use of a work, it usually is much
+easier when a publisher holds the rights.  In an electronic era, a real
+problem arises when one is digitizing and making information available.
+PETERS referred again to electronic licensing clearinghouses.  Copyright
+ought to remain with the author, but as one moves forward globally in the
+electronic arena, a middleman who can handle the various rights becomes
+increasingly necessary.
+
+The notion of copyright law is that it resides with the individual, but
+in an on-line environment, where a work can be adapted and tinkered with
+by many individuals, there is concern.  If changes are authorized and
+there is no agreement to the contrary, the person who changes a work owns
+the changes.  To put it another way, the person who acquires permission
+to change a work technically will become the author and the owner, unless
+some agreement to the contrary has been made.  It is typical for the
+original publisher to try to control all of the versions and all of the
+uses.  Copyright law always only sets up the boundaries.  Anything can be
+changed by contract.
+
+                                 ******
+
+SESSION VII.  CONCLUSION
+
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+GENERAL DISCUSSION * Two questions for discussion * Different emphases in
+the Workshop * Bringing the text and image partisans together *
+Desiderata in planning the long-term development of something * Questions
+surrounding the issue of electronic deposit * Discussion of electronic
+deposit as an allusion to the issue of standards * Need for a directory
+of preservation projects in digital form and for access to their
+digitized files * CETH's catalogue of machine-readable texts in the
+humanities * What constitutes a publication in the electronic world? *
+Need for LC to deal with the concept of on-line publishing * LC's Network
+Development Office  exploring the limits of MARC as a standard in terms
+of handling electronic information * Magnitude of the problem and the
+need for distributed responsibility in order to maintain and store
+electronic information * Workshop participants to be viewed as a starting
+point * Development of a network version of AM urged * A step toward AM's
+construction of some sort of apparatus for network access * A delicate
+and agonizing policy question for LC * Re the issue of electronic
+deposit, LC urged to initiate a catalytic process in terms of distributed
+responsibility * Suggestions for cooperative ventures * Commercial
+publishers' fears * Strategic questions for getting the image and text
+people to think through long-term cooperation * Clarification of the
+driving force behind both the Perseus and the Cornell Xerox projects *
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+In his role as moderator of the concluding session, GIFFORD raised two
+questions he believed would benefit from discussion:  1) Are there enough
+commonalities among those of us that have been here for two days so that
+we can see courses of action that should be taken in the future?  And, if
+so, what are they and who might take them?  2) Partly derivative from
+that, but obviously very dangerous to LC as host, do you see a role for
+the Library of Congress in all this?  Of course, the Library of Congress
+holds a rather special status in a number of these matters, because it is
+not perceived as a player with an economic stake in them, but are there
+roles that LC can play that can help advance us toward where we are heading?
+
+Describing himself as an uninformed observer of the technicalities of the
+last two days, GIFFORD detected three different emphases in the Workshop:
+1) people who are very deeply committed to text; 2) people who are almost
+passionate about images; and 3) a few people who are very committed to
+what happens to the networks.  In other words, the new networking
+dimension, the accessibility of the processability, the portability of
+all this across the networks.  How do we pull those three together?
+
+Adding a question that reflected HOCKEY's comment that this was the
+fourth workshop she had attended in the previous thirty days, FLEISCHHAUER
+wondered to what extent this meeting had reinvented the wheel, or if it
+had contributed anything in the way of bringing together a different group
+of people from those who normally appear on the workshop circuit.
+
+HOCKEY confessed to being struck at this meeting and the one the
+Electronic Pierce Consortium organized the previous week that this was a
+coming together of people working on texts and not images.  Attempting to
+bring the two together is something we ought to be thinking about for the
+future:  How one can think about working with image material to begin
+with, but structuring it and digitizing it in such a way that at a later
+stage it can be interpreted into text, and find a common way of building
+text and images together so that they can be used jointly in the future,
+with the network support to begin there because that is how people will
+want to access it.
+
+In planning the long-term development of something, which is what is
+being done in electronic text, HOCKEY stressed the importance not only
+of discussing the technical aspects of how one does it but particularly
+of thinking about what the people who use the stuff will want to do.
+But conversely, there are numerous things that people start to do with
+electronic text or material that nobody ever thought of in the beginning.
+
+LESK, in response to the question concerning the role of the Library of
+Congress, remarked the often suggested desideratum of having electronic
+deposit:  Since everything is now computer-typeset, an entire decade of
+material that was machine-readable exists, but the publishers frequently
+did not save it; has LC taken any action to have its copyright deposit
+operation start collecting these machine-readable versions?  In the
+absence of PETERS, GIFFORD replied that the question was being
+actively considered but that that was only one dimension of the problem.
+Another dimension is the whole question of the integrity of the original
+electronic document.  It becomes highly important in science to prove
+authorship.  How will that be done?
+
+ERWAY explained that, under the old policy, to make a claim for a
+copyright for works that were published in electronic form, including
+software, one had to submit a paper copy of the first and last twenty
+pages of code--something that represented the work but did not include
+the entire work itself and had little value to anyone.  As a temporary
+measure, LC has claimed the right to demand electronic versions of
+electronic publications.  This measure entails a proactive role for the
+Library to say that it wants a particular electronic version.  Publishers
+then have perhaps a year to submit it.  But the real problem for LC is
+what to do with all this material in all these different formats.  Will
+the Library mount it?  How will it give people access to it?  How does LC
+keep track of the appropriate computers, software, and media?  The situation
+is so hard to control, ERWAY said, that it makes sense for each publishing
+house to maintain its own archive.  But LC cannot enforce that either.
+
+GIFFORD acknowledged LESK's suggestion that establishing a priority
+offered the solution, albeit a fairly complicated one.  But who maintains
+that register?, he asked.  GRABER noted that LC does attempt to collect a
+Macintosh version and the IBM-compatible version of software.  It does
+not collect other versions.  But while true for software, BYRUM observed,
+this reply does not speak to materials, that is, all the materials that
+were published that were on somebody's microcomputer or driver tapes
+at a publishing office across the country.  LC does well to acquire
+specific machine-readable products selectively that were intended to be
+machine-readable.  Materials that were in machine-readable form at one time,
+BYRUM said, would be beyond LC's capability at the moment, insofar as
+attempting to acquire, organize, and preserve them are concerned--and
+preservation would be the most important consideration.  In this
+connection, GIFFORD reiterated the need to work out some sense of
+distributive responsibility for a number of these issues, which
+inevitably will require significant cooperation and discussion.
+Nobody can do it all.
+
+LESK suggested that some publishers may look with favor on LC beginning
+to serve as a depository of tapes in an electronic manuscript standard.
+Publishers may view this as a service that they did not have to perform
+and they might send in tapes.  However, SPERBERG-McQUEEN countered,
+although publishers have had equivalent services available to them for a
+long time, the electronic text archive has never turned away or been
+flooded with tapes and is forever sending feedback to the depositor.
+Some publishers do send in tapes.
+
+ANDRE viewed this discussion as an allusion to the issue of standards.
+She recommended that the AAP standard and the TEI, which has already been
+somewhat harmonized internationally and which also shares several
+compatibilities with the AAP, be harmonized to ensure sufficient
+compatibility in the software.  She drew the line at saying LC ought to
+be the locus or forum for such harmonization.
+
+Taking the group in a slightly different direction, but one where at
+least in the near term LC might play a helpful role, LYNCH remarked the
+plans of a number of projects to carry out preservation by creating
+digital images that will end up in on-line or near-line storage at some
+institution.   Presumably, LC will link this material somehow to its
+on-line catalog in most cases.  Thus, it is in a digital form.  LYNCH had
+the impression that many of these institutions would be willing to make
+those files accessible to other people outside the institution, provided
+that there is no copyright problem.  This desideratum will require
+propagating the knowledge that those digitized files exist, so that they
+can end up in other on-line catalogs.  Although uncertain about the
+mechanism for achieving this result, LYNCH said that it warranted
+scrutiny because it seemed to be connected to some of the basic issues of
+cataloging and distribution of records.  It would be  foolish, given the
+amount of work that all of us have to do and our meager resources, to
+discover multiple institutions digitizing the same work.  Re microforms,
+LYNCH said, we are in pretty good shape.
+
+BATTIN called this a big problem and noted that the Cornell people (who
+had already departed) were working on it.  At issue from the beginning
+was to learn how to catalog that information into RLIN and then into
+OCLC, so that it would be accessible.  That issue remains to be resolved.
+LYNCH rejoined that putting it into OCLC or RLIN was helpful insofar as
+somebody who is thinking of performing preservation activity on that work
+could learn about it.  It is not necessarily helpful for institutions to
+make that available.  BATTIN opined that the idea was that it not only be
+for preservation purposes but for the convenience of people looking for
+this material.  She endorsed LYNCH's dictum that duplication of this
+effort was to be avoided by every means.
+
+HOCKEY informed the Workshop about one major current activity of CETH,
+namely a catalogue of machine-readable texts in the humanities.  Held on
+RLIN at present, the catalogue has been concentrated on ASCII as opposed
+to digitized images of text.  She is exploring ways to improve the
+catalogue and make it more widely available, and welcomed suggestions
+about these concerns.  CETH owns the records, which are not just
+restricted to RLIN, and can distribute them however it wishes.
+
+Taking up LESK's earlier question, BATTIN inquired whether LC, since it
+is accepting electronic files and designing a mechanism for dealing with
+that rather than putting books on shelves, would become responsible for
+the National Copyright Depository of Electronic Materials.  Of course
+that could not be accomplished overnight, but it would be something LC
+could plan for.  GIFFORD acknowledged that much thought was being devoted
+to that set of problems and returned the discussion to the issue raised
+by LYNCH--whether or not putting the kind of records that both BATTIN and
+HOCKEY have been talking about in RLIN is not a satisfactory solution.
+It seemed to him that RLIN answered LYNCH's original point concerning
+some kind of directory for these kinds of materials.  In a situation
+where somebody is attempting to decide whether or not to scan this or
+film that or to learn whether or not someone has already done so, LYNCH
+suggested, RLIN is helpful, but it is not helpful in the case of a local,
+on-line catalogue.  Further, one would like to have her or his system be
+aware that that exists in digital form, so that one can present it to a
+patron, even though one did not digitize it, if it is out of copyright.
+The only way to make those linkages would be to perform a tremendous
+amount of real-time look-up, which would be awkward at best, or
+periodically to yank the whole file from RLIN and match it against one's
+own stuff, which is a nuisance.
+
+But where, ERWAY inquired, does one stop including things that are
+available with Internet, for instance, in one's local catalogue?
+It almost seems that that is LC's means to acquire access to them.
+That represents LC's new form of library loan.  Perhaps LC's new on-line
+catalogue is an amalgamation of all these catalogues on line.  LYNCH
+conceded that perhaps that was true in the very long term, but was not
+applicable to scanning in the short term.  In his view, the totals cited
+by Yale, 10,000 books over perhaps a four-year period, and 1,000-1,500
+books from Cornell, were not big numbers, while searching all over
+creation for relatively rare occurrences will prove to be less efficient.
+As GIFFORD wondered if this would not be a separable file on RLIN and
+could be requested from them, BATTIN interjected that it was easily
+accessible to an institution.  SEVERTSON pointed out that that file, cum
+enhancements, was available with reference information on CD-ROM, which
+makes it a little more available.
+
+In HOCKEY's view, the real question facing the Workshop is what to put in
+this catalogue, because that raises the question of what constitutes a
+publication in the electronic world.  (WEIBEL interjected that Eric Joule
+in OCLC's Office of Research is also wrestling with this particular
+problem, while GIFFORD thought it sounded fairly generic.)  HOCKEY
+contended that a majority of texts in the humanities are in the hands
+of either a small number of large research institutions or individuals
+and are not generally available for anyone else to access at all.
+She wondered if these texts ought to be catalogued.
+
+After argument proceeded back and forth for several minutes over why
+cataloguing might be a necessary service, LEBRON suggested that this
+issue involved the responsibility of a publisher.  The fact that someone
+has created something electronically and keeps it under his or her
+control does not constitute publication.  Publication implies
+dissemination.  While it would be important for a scholar to let other
+people know that this creation exists, in many respects this is no
+different from an unpublished manuscript.  That is what is being accessed
+in there, except that now one is not looking at it in the hard-copy but
+in the electronic environment.
+
+LEBRON expressed puzzlement at the variety of ways electronic publishing
+has been viewed.  Much of what has been discussed throughout these two
+days has concerned CD-ROM publishing, whereas in the on-line environment
+that she confronts, the constraints and challenges are very different.
+Sooner or later LC will have to deal with the concept of on-line
+publishing.  Taking up the comment ERWAY made earlier about storing
+copies, LEBRON gave her own journal as an example.  How would she deposit
+OJCCT for copyright?, she asked, because the journal will exist in the
+mainframe at OCLC and people will be able to access it.  Here the
+situation is different, ownership versus access, and is something that
+arises with publication in the on-line environment, faster than is
+sometimes realized.  Lacking clear answers to all of these questions
+herself, LEBRON did not anticipate that LC would be able to take a role
+in helping to define some of them for quite a while.
+
+GREENFIELD observed that LC's Network Development Office is attempting,
+among other things, to explore the limits of MARC as a standard in terms
+of handling electronic information.  GREENFIELD also noted that Rebecca
+GUENTHER from that office gave a paper to the American Society for
+Information Science (ASIS) summarizing several of the discussion papers
+that were coming out of the Network Development Office.  GREENFIELD said
+he understood that that office had a list-server soliciting just the kind
+of feedback received today concerning the difficulties of identifying and
+cataloguing electronic information.  GREENFIELD hoped that everybody
+would be aware of that and somehow contribute to that conversation.
+
+Noting two of LC's roles, first, to act as a repository of record for
+material that is copyrighted in this country, and second, to make
+materials it holds available in some limited form to a clientele that
+goes beyond Congress, BESSER suggested that it was incumbent on LC to
+extend those responsibilities to all the things being published in
+electronic form.  This would mean eventually accepting electronic
+formats.  LC could require that at some point they be in a certain
+limited set of formats, and then develop mechanisms for allowing people
+to access those in the same way that other things are accessed.  This
+does not imply that they are on the network and available to everyone.
+LC does that with most of its bibliographic records, BESSER said, which
+end up migrating to the utility (e.g., OCLC) or somewhere else.  But just
+as most of LC's books are available in some form through interlibrary
+loan or some other mechanism, so in the same way electronic formats ought
+to be available to others in some format, though with some copyright
+considerations.  BESSER was not suggesting that these mechanisms be
+established tomorrow, only that they seemed to fall within LC's purview,
+and that there should be long-range plans to establish them.
+
+Acknowledging that those from LC in the room agreed with BESSER
+concerning the need to confront difficult questions, GIFFORD underscored
+the magnitude of the problem of what to keep and what to select.  GIFFORD
+noted that LC currently receives some 31,000 items per day, not counting
+electronic materials, and argued for much more distributed responsibility
+in order to maintain and store electronic information.
+
+BESSER responded that the assembled group could be viewed as a starting
+point, whose initial operating premise could be helping to move in this
+direction and defining how LC could do so, for example, in areas of
+standardization or distribution of responsibility.
+
+FLEISCHHAUER added that AM was fully engaged, wrestling with some of the
+questions that pertain to the conversion of older historical materials,
+which would be one thing that the Library of Congress might do.  Several
+points mentioned by BESSER and several others on this question have a
+much greater impact on those who are concerned with cataloguing and the
+networking of bibliographic information, as well as preservation itself.
+
+Speaking directly to AM, which he considered was a largely uncopyrighted
+database, LYNCH urged development of a network version of AM, or
+consideration of making the data in it available to people interested in
+doing network multimedia.  On account of the current great shortage of
+digital data that is both appealing and unencumbered by complex rights
+problems, this course of action could have a significant effect on making
+network multimedia a reality.
+
+In this connection, FLEISCHHAUER reported on a fragmentary prototype in
+LC's Office of Information Technology Services that attempts to associate
+digital images of photographs with cataloguing information in ways that
+work within a local area network--a step, so to say, toward AM's
+construction of some sort of apparatus for access.  Further, AM has
+attempted to use standard data forms in order to help make that
+distinction between the access tools and the underlying data, and thus
+believes that the database is networkable.
+
+A delicate and agonizing policy question for LC, however, which comes
+back to resources and unfortunately has an impact on this, is to find
+some appropriate, honorable, and legal cost-recovery possibilities.  A
+certain skittishness concerning cost-recovery has made people unsure
+exactly what to do.  AM would be highly receptive to discussing further
+LYNCH's offer to test or demonstrate its database in a network
+environment, FLEISCHHAUER said.
+
+Returning the discussion to what she viewed as the vital issue of
+electronic deposit, BATTIN recommended that LC initiate a catalytic
+process in terms of distributed responsibility, that is, bring together
+the distributed organizations and set up a study group to look at all
+these issues and see where we as a nation should move.  The broader
+issues of how we deal with the management of electronic information will
+not disappear, but only grow worse.
+
+LESK took up this theme and suggested that LC attempt to persuade one
+major library in each state to deal with its state equivalent publisher,
+which might produce a cooperative project that would be equitably
+distributed around the country, and one in which LC would be dealing with
+a minimal number of publishers and minimal copyright problems.
+
+GRABER remarked the recent development in the scientific community of a
+willingness to use SGML and either deposit or interchange on a fairly
+standardized format.  He wondered if a similar movement was taking place
+in the humanities.  Although the National Library of Medicine found only
+a few publishers to cooperate in a like venture two or three years ago, a
+new effort might generate a much larger number willing to cooperate.
+
+KIMBALL recounted his unit's (Machine-Readable Collections Reading Room)
+troubles with the commercial publishers of electronic media in acquiring
+materials for LC's collections, in particular the publishers' fear that
+they would not be able to cover their costs and would lose control of
+their products, that LC would give them away or sell them and make
+profits from them.  He doubted that the publishing industry was prepared
+to move into this area at the moment, given its resistance to allowing LC
+to use its machine-readable materials as the Library would like.
+
+The copyright law now addresses compact disk as a medium, and LC can
+request one copy of that, or two copies if it is the only version, and
+can request copies of software, but that fails to address magazines or
+books or anything like that which is in machine-readable form.
+
+GIFFORD acknowledged the thorny nature of this issue, which he illustrated
+with the example of the cumbersome process involved in putting a copy of a
+scientific database on a LAN in LC's science reading room.  He also
+acknowledged that LC needs help and could enlist the energies and talents
+of Workshop participants in thinking through a number of these problems.
+
+GIFFORD returned the discussion to getting the image and text people to
+think through together where they want to go in the long term.  MYLONAS
+conceded that her experience at the Pierce Symposium the previous week at
+Georgetown University and this week at LC had forced her to reevaluate
+her perspective on the usefulness of text as images.  MYLONAS framed the
+issues in a series of questions:  How do we acquire machine-readable
+text?  Do we take pictures of it and perform OCR on it later?  Is it
+important to obtain very high-quality images and text, etc.?
+FLEISCHHAUER agreed with MYLONAS's framing of strategic questions, adding
+that a large institution such as LC probably has to do all of those
+things at different times.  Thus, the trick is to exercise judgment.  The
+Workshop had added to his and AM's considerations in making those
+judgments.  Concerning future meetings or discussions, MYLONAS suggested
+that screening priorities would be helpful.
+
+WEIBEL opined that the diversity reflected in this group was a sign both
+of the health and of the immaturity of the field, and more time would
+have to pass before we convince one another concerning standards.
+
+An exchange between MYLONAS and BATTIN clarified the point that the
+driving force behind both the Perseus and the Cornell Xerox projects was
+the preservation of knowledge for the future, not simply for particular
+research use.  In the case of Perseus, MYLONAS said, the assumption was
+that the texts would not be entered again into electronically readable
+form.  SPERBERG-McQUEEN added that a scanned image would not serve as an
+archival copy for purposes of preservation in the case of, say, the Bill
+of Rights, in the sense that the scanned images are effectively the
+archival copies for the Cornell mathematics books.
+
+
+               ***   ***   ***   ******   ***   ***   ***
+
+
+                          Appendix I:  PROGRAM
+
+
+
+                                WORKSHOP
+                                   ON
+                               ELECTRONIC
+                                  TEXTS
+
+
+
+                             9-10 June 1992
+
+                           Library of Congress
+                            Washington, D.C.
+
+
+
+    Supported by a Grant from the David and Lucile Packard Foundation
+
+
+Tuesday, 9 June 1992
+
+NATIONAL DEMONSTRATION LAB, ATRIUM, LIBRARY MADISON
+
+8:30 AM   Coffee and Danish, registration
+
+9:00 AM   Welcome
+
+          Prosser Gifford, Director for Scholarly Programs, and Carl
+             Fleischhauer, Coordinator, American Memory, Library of
+             Congress
+
+9:l5 AM   Session I.  Content in a New Form:  Who Will Use It and What
+          Will They Do?
+
+          Broad description of the range of electronic information.
+          Characterization of who uses it and how it is or may be used.
+          In addition to a look at scholarly uses, this session will
+          include a presentation on use by students (K-12 and college)
+          and the general public.
+
+          Moderator:  James Daly
+          Avra Michelson, Archival Research and Evaluation Staff,
+             National Archives and Records Administration (Overview)
+          Susan H. Veccia, Team Leader, American Memory, User Evaluation,
+             and
+          Joanne Freeman, Associate Coordinator, American Memory, Library
+             of Congress (Beyond the scholar)
+
+10:30-
+11:00 AM  Break
+
+11:00 AM  Session II.  Show and Tell.
+
+          Each presentation to consist of a fifteen-minute
+          statement/show; group discussion will follow lunch.
+
+          Moderator:  Jacqueline Hess, Director, National Demonstration
+             Lab
+
+            1.  A classics project, stressing texts and text retrieval
+                more than multimedia:  Perseus Project, Harvard
+                University
+                Elli Mylonas, Managing Editor
+
+            2.  Other humanities projects employing the emerging norms of
+                the Text Encoding Initiative (TEI):  Chadwyck-Healey's
+                The English Poetry Full Text Database and/or Patrologia
+                Latina Database
+                Eric M. Calaluca, Vice President, Chadwyck-Healey, Inc.
+
+            3.  American Memory
+                Carl Fleischhauer, Coordinator, and
+                Ricky Erway, Associate Coordinator, Library of Congress
+
+            4.  Founding Fathers example from Packard Humanities
+                Institute:  The Papers of George Washington, University
+                of Virginia
+                Dorothy Twohig, Managing Editor, and/or
+                David Woodley Packard
+
+            5.  An electronic medical journal offering graphics and
+                full-text searchability:  The Online Journal of Current
+                Clinical Trials, American Association for the Advancement
+                of Science
+                Maria L. Lebron, Managing Editor
+
+            6.  A project that offers facsimile images of pages but omits
+                searchable text:  Cornell math books
+                Lynne K. Personius, Assistant Director, Cornell
+                   Information Technologies for Scholarly Information
+                   Sources, Cornell University
+
+12:30 PM  Lunch  (Dining Room A, Library Madison 620.  Exhibits
+          available.)
+
+1:30 PM   Session II.  Show and Tell (Cont'd.).
+
+3:00-
+3:30 PM   Break
+
+3:30-
+5:30 PM   Session III.  Distribution, Networks, and Networking:  Options
+          for Dissemination.
+
+          Published disks:  University presses and public-sector
+             publishers, private-sector publishers
+          Computer networks
+
+          Moderator:  Robert G. Zich, Special Assistant to the Associate
+             Librarian for Special Projects, Library of Congress
+          Clifford A. Lynch, Director, Library Automation, University of
+             California
+          Howard Besser, School of Library and Information Science,
+             University of Pittsburgh
+          Ronald L. Larsen, Associate Director of Libraries for
+             Information Technology, University of Maryland at College
+             Park
+          Edwin B. Brownrigg, Executive Director, Memex Research
+             Institute
+
+6:30 PM   Reception  (Montpelier Room, Library Madison 619.)
+
+                                 ******
+
+Wednesday, 10 June 1992
+
+DINING ROOM A, LIBRARY MADISON 620
+
+8:30 AM   Coffee and Danish
+
+9:00 AM   Session IV.  Image Capture, Text Capture, Overview of Text and
+          Image Storage Formats.
+
+          Moderator:  William L. Hooton, Vice President of Operations,
+             I-NET
+
+          A) Principal Methods for Image Capture of Text:
+             Direct scanning
+             Use of microform
+
+          Anne R. Kenney, Assistant Director, Department of Preservation
+             and Conservation, Cornell University
+          Pamela Q.J. Andre, Associate Director, Automation, and
+          Judith A. Zidar, Coordinator, National Agricultural Text
+             Digitizing Program (NATDP), National Agricultural Library
+             (NAL)
+          Donald J. Waters, Head, Systems Office, Yale University Library
+
+          B) Special Problems:
+             Bound volumes
+             Conservation
+             Reproducing printed halftones
+
+          Carl Fleischhauer, Coordinator, American Memory, Library of
+             Congress
+          George Thoma, Chief, Communications Engineering Branch,
+             National Library of Medicine (NLM)
+
+10:30-
+11:00 AM  Break
+
+11:00 AM  Session IV.  Image Capture, Text Capture, Overview of Text and
+          Image Storage Formats (Cont'd.).
+
+          C) Image Standards and Implications for Preservation
+
+          Jean Baronas, Senior Manager, Department of Standards and
+             Technology, Association for Information and Image Management
+             (AIIM)
+          Patricia Battin, President, The Commission on Preservation and
+             Access (CPA)
+
+          D) Text Conversion:
+             OCR vs. rekeying
+             Standards of accuracy and use of imperfect texts
+             Service bureaus
+
+          Stuart Weibel, Senior Research Specialist, Online Computer
+             Library Center, Inc. (OCLC)
+          Michael Lesk, Executive Director, Computer Science Research,
+             Bellcore
+          Ricky Erway, Associate Coordinator, American Memory, Library of
+             Congress
+          Pamela Q.J. Andre, Associate Director, Automation, and
+          Judith A. Zidar, Coordinator, National Agricultural Text
+             Digitizing Program (NATDP), National Agricultural Library
+             (NAL)
+
+12:30-
+1:30 PM   Lunch
+
+1:30 PM   Session V.  Approaches to Preparing Electronic Texts.
+
+          Discussion of approaches to structuring text for the computer;
+          pros and cons of text coding, description of methods in
+          practice, and comparison of text-coding methods.
+
+          Moderator:  Susan Hockey, Director, Center for Electronic Texts
+             in the Humanities (CETH), Rutgers and Princeton Universities
+          David Woodley Packard
+          C.M. Sperberg-McQueen, Editor, Text Encoding Initiative (TEI),
+             University of Illinois-Chicago
+          Eric M. Calaluca, Vice President, Chadwyck-Healey, Inc.
+
+3:30-
+4:00 PM   Break
+
+4:00 PM   Session VI.  Copyright Issues.
+
+          Marybeth Peters, Policy Planning Adviser to the Register of
+             Copyrights, Library of Congress
+
+5:00 PM   Session VII. Conclusion.
+
+          General discussion.
+          What topics were omitted or given short shrift that anyone
+             would like to talk about now?
+          Is there a "group" here?  What should the group do next, if
+             anything?  What should the Library of Congress do next, if
+             anything?
+          Moderator:  Prosser Gifford, Director for Scholarly Programs,
+             Library of Congress
+
+6:00 PM   Adjourn
+
+
+               ***   ***   ***   ******   ***   ***   ***
+
+
+                         Appendix II:  ABSTRACTS
+
+
+SESSION I
+
+Avra MICHELSON           Forecasting the Use of Electronic Texts by
+                         Social Sciences and Humanities Scholars
+
+This presentation explores the ways in which electronic texts are likely
+to be used by the non-scientific scholarly community.  Many of the
+remarks are drawn from a report the speaker coauthored with Jeff
+Rothenberg, a computer scientist at The RAND Corporation.
+
+The speaker assesses 1) current scholarly use of information technology
+and 2) the key trends in information technology most relevant to the
+research process, in order to predict how social sciences and humanities
+scholars are apt to use electronic texts.  In introducing the topic,
+current use of electronic texts is explored broadly within the context of
+scholarly communication.  From the perspective of scholarly
+communication, the work of humanities and social sciences scholars
+involves five processes:  1) identification of sources, 2) communication
+with colleagues, 3) interpretation and analysis of data, 4) dissemination
+of research findings, and 5) curriculum development and instruction.  The
+extent to which computation currently permeates aspects of scholarly
+communication represents a viable indicator of the prospects for
+electronic texts.
+
+The discussion of current practice is balanced by an analysis of key
+trends in the scholarly use of information technology.  These include the
+trends toward end-user computing and connectivity, which provide a
+framework for forecasting the use of electronic texts through this
+millennium.  The presentation concludes with a summary of the ways in
+which the nonscientific scholarly community can be expected to use
+electronic texts, and the implications of that use for information
+providers.
+
+Susan VECCIA and Joanne FREEMAN    Electronic Archives for the Public:
+                                   Use of American Memory in Public and
+                                   School Libraries
+
+This joint discussion focuses on nonscholarly applications of electronic
+library materials, specifically addressing use of the Library of Congress
+American Memory (AM) program in a small number of public and school
+libraries throughout the United States.  AM consists of selected Library
+of Congress primary archival materials, stored on optical media
+(CD-ROM/videodisc), and presented with little or no editing.  Many
+collections are accompanied by electronic introductions and user's guides
+offering background information and historical context.  Collections
+represent a variety of formats including photographs, graphic arts,
+motion pictures, recorded sound, music, broadsides and manuscripts,
+books, and pamphlets.
+
+In 1991, the Library of Congress began a nationwide evaluation of AM in
+different types of institutions.  Test sites include public libraries,
+elementary and secondary school libraries, college and university
+libraries, state libraries, and special libraries.  Susan VECCIA and
+Joanne FREEMAN will discuss their observations on the use of AM by the
+nonscholarly community, using evidence gleaned from this ongoing
+evaluation effort.
+
+VECCIA will comment on the overall goals of the evaluation project, and
+the types of public and school libraries included in this study.  Her
+comments on nonscholarly use of AM will focus on the public library as a
+cultural and community institution, often bridging the gap between formal
+and informal education.  FREEMAN will discuss the use of AM in school
+libraries.  Use by students and teachers has revealed some broad
+questions about the use of electronic resources, as well as definite
+benefits gained by the "nonscholar."  Topics will include the problem of
+grasping content and context in an electronic environment, the stumbling
+blocks created by "new" technologies, and the unique skills and interests
+awakened through use of electronic resources.
+
+SESSION II
+
+Elli MYLONAS             The Perseus Project:  Interactive Sources and
+                         Studies in Classical Greece
+
+The Perseus Project (5) has just released Perseus 1.0, the first publicly
+available version of its hypertextual database of multimedia materials on
+classical Greece.  Perseus is designed to be used by a wide audience,
+comprised of readers at the student and scholar levels.  As such, it must
+be able to locate information using different strategies, and it must
+contain enough detail to serve the different needs of its users.  In
+addition, it must be delivered so that it is affordable to its target
+audience.  [These problems and the solutions we chose are described in
+Mylonas, "An Interface to Classical Greek Civilization," JASIS 43:2,
+March 1992.]
+
+In order to achieve its objective, the project staff decided to make a
+conscious separation between selecting and converting textual, database,
+and image data on the one hand, and putting it into a delivery system on
+the other.  That way, it is possible to create the electronic data
+without thinking about the restrictions of the delivery system.  We have
+made a great effort to choose system-independent formats for our data,
+and to put as much thought and work as possible into structuring it so
+that the translation from paper to electronic form will enhance the value
+of the data. [A discussion of these solutions as of two years ago is in
+Elli Mylonas, Gregory Crane, Kenneth Morrell, and D. Neel Smith, "The
+Perseus Project:  Data in the Electronic Age," in Accessing Antiquity:
+The Computerization of Classical Databases, J. Solomon and T. Worthen
+(eds.),  University of Arizona Press, in press.]
+
+Much of the work on Perseus is focused on collecting and converting the
+data on which the project is based.  At the same time, it is necessary to
+provide means of access to the information, in order to make it usable,
+and them to investigate how it is used.  As we learn more about what
+students and scholars from different backgrounds do with Perseus, we can
+adjust our data collection, and also modify the system to accommodate
+them.  In creating a delivery system for general use, we have tried to
+avoid favoring any one type of use by allowing multiple forms of access
+to and navigation through the system.
+
+The way text is handled exemplifies some of these principles.  All text
+in Perseus is tagged using SGML, following the guidelines of the Text
+Encoding Initiative (TEI).  This markup is used to index the text, and
+process it so that it can be imported into HyperCard.  No SGML markup
+remains in the text that reaches the user, because currently it would be
+too expensive to create a system that acts on SGML in real time.
+However, the regularity provided by SGML is essential for verifying the
+content of the texts, and greatly speeds all the processing performed on
+them.  The fact that the texts exist in SGML ensures that they will be
+relatively easy to port to different hardware and software, and so will
+outlast the current delivery platform.  Finally, the SGML markup
+incorporates existing canonical reference systems (chapter, verse, line,
+etc.); indexing and navigation are based on these features.  This ensures
+that the same canonical reference will always resolve to the same point
+within a text, and that all versions of our texts, regardless of delivery
+platform (even paper printouts) will function the same way.
+
+In order to provide tools for users, the text is processed by a
+morphological analyzer, and the results are stored in a database.
+Together with the index, the Greek-English Lexicon, and the index of all
+the English words in the definitions of the lexicon, the morphological
+analyses comprise a set of linguistic tools that allow users of all
+levels to work with the textual information, and to accomplish different
+tasks.  For example, students who read no Greek may explore a concept as
+it appears in Greek texts by using the English-Greek index, and then
+looking up works in the texts and translations, or scholars may do
+detailed morphological studies of word use by using the morphological
+analyses of the texts.  Because these tools were not designed for any one
+use, the same tools and the same data can be used by both students and
+scholars.
+
+NOTES:
+     (5)  Perseus is based at Harvard University, with collaborators at
+     several other universities.  The project has been funded primarily
+     by the Annenberg/CPB Project, as well as by Harvard University,
+     Apple Computer, and others.  It is published by Yale University
+     Press.  Perseus runs on Macintosh computers, under the HyperCard
+     program.
+
+Eric CALALUCA
+
+Chadwyck-Healey embarked last year on two distinct yet related full-text
+humanities database projects.
+
+The English Poetry Full-Text Database and the Patrologia Latina Database
+represent new approaches to linguistic research resources.  The size and
+complexity of the projects present problems for electronic publishers,
+but surmountable ones if they remain abreast of the latest possibilities
+in data capture and retrieval software techniques.
+
+The issues which required address prior to the commencement of the
+projects were legion:
+
+     1.   Editorial selection (or exclusion) of materials in each
+          database
+
+     2.   Deciding whether or not to incorporate a normative encoding
+          structure into the databases?
+               A.  If one is selected, should it be SGML?
+               B.  If SGML, then the TEI?
+
+     3.   Deliver as CD-ROM, magnetic tape, or both?
+
+     4.   Can one produce retrieval software advanced enough for the
+          postdoctoral linguist, yet accessible enough for unattended
+          general use?  Should one try?
+
+     5.   Re fair and liberal networking policies, what are the risks to
+          an electronic publisher?
+
+     6.   How does the emergence of national and international education
+          networks affect the use and viability of research projects
+          requiring high investment?  Do the new European Community
+          directives concerning database protection necessitate two
+          distinct publishing projects, one for North America and one for
+          overseas?
+
+From new notions of "scholarly fair use" to the future of optical media,
+virtually every issue related to electronic publishing was aired.  The
+result is two projects which have been constructed to provide the quality
+research resources with the fewest encumbrances to use by teachers and
+private scholars.
+
+Dorothy TWOHIG
+
+In spring 1988 the editors of the papers of George Washington, John
+Adams, Thomas Jefferson, James Madison, and Benjamin Franklin were
+approached by classics scholar David Packard on behalf of the Packard
+Humanities Foundation with a proposal to produce a CD-ROM edition of the
+complete papers of each of the Founding Fathers.  This electronic edition
+will supplement the published volumes, making the documents widely
+available to students and researchers at reasonable cost.  We estimate
+that our CD-ROM edition of Washington's Papers will be substantially
+completed within the next two years and ready for publication.  Within
+the next ten years or so, similar CD-ROM editions of the Franklin, Adams,
+Jefferson, and Madison papers also will be available.  At the Library of
+Congress's session on technology, I would like to discuss not only the
+experience of the Washington Papers in producing the CD-ROM edition, but
+the impact technology has had on these major editorial projects.
+Already, we are editing our volumes with an eye to the material that will
+be readily available in the CD-ROM edition.  The completed electronic
+edition will provide immense possibilities for the searching of documents
+for information in a way never possible before.  The kind of technical
+innovations that are currently available and on the drawing board will
+soon revolutionize historical research and the production of historical
+documents.  Unfortunately, much of this new technology is not being used
+in the planning stages of historical projects, simply because many
+historians are aware only in the vaguest way of its existence.  At least
+two major new historical editing projects are considering microfilm
+editions, simply because they are not aware of the possibilities of
+electronic alternatives and the advantages of the new technology in terms
+of flexibility and research potential compared to microfilm.  In fact,
+too many of us in history and literature are still at the stage of
+struggling with our PCs.  There are many historical editorial projects in
+progress presently, and an equal number of literary projects.  While the
+two fields have somewhat different approaches to textual editing, there
+are ways in which electronic technology can be of service to both.
+
+Since few of the editors involved in the Founding Fathers CD-ROM editions
+are technical experts in any sense, I hope to point out in my discussion
+of our experience how many of these electronic innovations can be used
+successfully by scholars who are novices in the world of new technology.
+One of the major concerns of the sponsors of the multitude of new
+scholarly editions is the limited audience reached by the published
+volumes.  Most of these editions are being published in small quantities
+and the publishers' price for them puts them out of the reach not only of
+individual scholars but of most public libraries and all but the largest
+educational institutions.  However, little attention is being given to
+ways in which technology can bypass conventional publication to make
+historical and literary documents more widely available.
+
+What attracted us most to the CD-ROM edition of The Papers of George
+Washington was the fact that David Packard's aim was to make a complete
+edition of all of the 135,000 documents we have collected available in an
+inexpensive format that would be placed in public libraries, small
+colleges, and even high schools.  This would provide an audience far
+beyond our present 1,000-copy, $45 published edition.  Since the CD-ROM
+edition will carry none of the explanatory annotation that appears in the
+published volumes, we also feel that the use of the CD-ROM will lead many
+researchers to seek out the published volumes.
+
+In addition to ignorance of new technical advances, I have found that too
+many editors--and historians and literary scholars--are resistant and
+even hostile to suggestions that electronic technology may enhance their
+work.  I intend to discuss some of the arguments traditionalists are
+advancing to resist technology, ranging from distrust of the speed with
+which it changes (we are already wondering what is out there that is
+better than CD-ROM) to suspicion of the technical language used to
+describe electronic developments.
+
+Maria LEBRON
+
+The Online Journal of Current Clinical Trials, a joint venture of the
+American Association for the Advancement of Science (AAAS) and the Online
+Computer Library Center, Inc. (OCLC), is the first peer-reviewed journal
+to provide full text, tabular material, and line illustrations on line.
+This presentation will discuss the genesis and start-up period of the
+journal.  Topics of discussion will include historical overview,
+day-to-day management of the editorial peer review, and manuscript
+tagging and publication.  A demonstration of the journal and its features
+will accompany the presentation.
+
+Lynne PERSONIUS
+
+Cornell University Library, Cornell Information Technologies, and Xerox
+Corporation, with the support of the Commission on Preservation and
+Access, and Sun Microsystems, Inc., have been collaborating in a project
+to test a prototype system for recording brittle books as digital images
+and producing, on demand, high-quality archival paper replacements.  The
+project goes beyond that, however, to investigate some of the issues
+surrounding scanning, storing, retrieving, and providing access to
+digital images in a network environment.
+
+The Joint Study in Digital Preservation began in January 1990.  Xerox
+provided the College Library Access and Storage System (CLASS) software,
+a prototype 600-dots-per-inch (dpi) scanner, and the hardware necessary
+to support network printing on the DocuTech printer housed in Cornell's
+Computing and Communications Center (CCC).
+
+The Cornell staff using the hardware and software became an integral part
+of the development and testing process for enhancements to the CLASS
+software system.  The collaborative nature of this relationship is
+resulting in a system that is specifically tailored to the preservation
+application.
+
+A digital library of 1,000 volumes (or approximately 300,000 images) has
+been created and is stored on an optical jukebox that resides in CCC.
+The library includes a collection of select mathematics monographs that
+provides mathematics faculty with an opportunity to use the electronic
+library.  The remaining volumes were chosen for the library to test the
+various capabilities of the scanning system.
+
+One project objective is to provide users of the Cornell library and the
+library staff with the ability to request facsimiles of digitized images
+or to retrieve the actual electronic image for browsing.  A prototype
+viewing workstation has been created by Xerox, with input into the design
+by a committee of Cornell librarians and computer professionals.  This
+will allow us to experiment with patron access to the images that make up
+the digital library.  The viewing station provides search, retrieval, and
+(ultimately) printing functions with enhancements to facilitate
+navigation through multiple documents.
+
+Cornell currently is working to extend access to the digital library to
+readers using workstations from their offices.  This year is devoted to
+the development of a network resident image conversion and delivery
+server, and client software that will support readers who use Apple
+Macintosh computers, IBM windows platforms, and Sun workstations.
+Equipment for this development was provided by Sun Microsystems with
+support from the Commission on Preservation and Access.
+
+During the show-and-tell session of the Workshop on Electronic Texts, a
+prototype view station will be demonstrated.  In addition, a display of
+original library books that have been digitized will be available for
+review with associated printed copies for comparison.  The fifteen-minute
+overview of the project will include a slide presentation that
+constitutes a "tour" of the preservation digitizing process.
+
+The final network-connected version of the viewing station will provide
+library users with another mechanism for accessing the digital library,
+and will also provide the capability of viewing images directly.  This
+will not require special software, although a powerful computer with good
+graphics will be needed.
+
+The Joint Study in Digital Preservation has generated a great deal of
+interest in the library community.  Unfortunately, or perhaps
+fortunately, this project serves to raise a vast number of other issues
+surrounding the use of digital technology for the preservation and use of
+deteriorating library materials, which subsequent projects will need to
+examine.  Much work remains.
+
+SESSION III
+
+Howard BESSER                      Networking Multimedia Databases
+
+What do we have to consider in building and distributing databases of
+visual materials in a multi-user environment?  This presentation examines
+a variety of concerns that need to be addressed before a multimedia
+database can be set up in a networked environment.
+
+In the past it has not been feasible to implement databases of visual
+materials in shared-user environments because of technological barriers.
+Each of the two basic models for multi-user multimedia databases has
+posed its own problem.  The analog multimedia storage model (represented
+by Project Athena's parallel analog and digital networks) has required an
+incredibly complex (and expensive) infrastructure.  The economies of
+scale that make multi-user setups cheaper per user served do not operate
+in an environment that requires a computer workstation, videodisc player,
+and two display devices for each user.
+
+The digital multimedia storage model has required vast amounts of storage
+space (as much as one gigabyte per thirty still images).  In the past the
+cost of such a large amount of storage space made this model a
+prohibitive choice as well.  But plunging storage costs are finally
+making this second alternative viable.
+
+If storage no longer poses such an impediment, what do we need to
+consider in building digitally stored multi-user databases of visual
+materials?  This presentation will examine the networking and
+telecommunication constraints that must be overcome before such databases
+can become commonplace and useful to a large number of people.
+
+The key problem is the vast size of multimedia documents, and how this
+affects not only storage but telecommunications transmission time.
+Anything slower than T-1 speed is impractical for files of 1 megabyte or
+larger (which is likely to be small for a multimedia document).  For
+instance, even on a 56 Kb line it would take three minutes to transfer a
+1-megabyte file.  And these figures assume ideal circumstances, and do
+not take into consideration other users contending for network bandwidth,
+disk access time, or the time needed for remote display.  Current common
+telephone transmission rates would be completely impractical; few users
+would be willing to wait the hour necessary to transmit a single image at
+2400 baud.
+
+This necessitates compression, which itself raises a number of other
+issues.  In order to decrease file sizes significantly, we must employ
+lossy compression algorithms.  But how much quality can we afford to
+lose?  To date there has been only one significant study done of
+image-quality needs for a particular user group, and this study did not
+look at loss resulting from compression.  Only after identifying
+image-quality needs can we begin to address storage and network bandwidth
+needs.
+
+Experience with X-Windows-based applications (such as Imagequery, the
+University of California at Berkeley image database) demonstrates the
+utility of a client-server topology, but also points to the limitation of
+current software for a distributed environment.  For example,
+applications like Imagequery can incorporate compression, but current X
+implementations do not permit decompression at the end user's
+workstation.  Such decompression at the host computer alleviates storage
+capacity problems while doing nothing to address problems of
+telecommunications bandwidth.
+
+We need to examine the effects on network through-put of moving
+multimedia documents around on a network.  We need to examine various
+topologies that will help us avoid bottlenecks around servers and
+gateways.  Experience with applications such as these raise still broader
+questions. How closely is the multimedia document tied to the software
+for viewing it?  Can it be accessed and viewed from other applications?
+Experience with the MARC format (and more recently with the Z39.50
+protocols) shows how useful it can be to store documents in a form in
+which they can be accessed by a variety of application software.
+
+Finally, from an intellectual-access standpoint, we need to address the
+issue of providing access to these multimedia documents in
+interdisciplinary environments.  We need to examine terminology and
+indexing strategies that will allow us to provide access to this material
+in a cross-disciplinary way.
+
+Ronald LARSEN            Directions in High-Performance Networking for
+                         Libraries
+
+The pace at which computing technology has advanced over the past forty
+years shows no sign of abating.  Roughly speaking, each five-year period
+has yielded an order-of-magnitude improvement in price and performance of
+computing equipment.  No fundamental hurdles are likely to prevent this
+pace from continuing for at least the next decade.  It is only in the
+past five years, though, that computing has become ubiquitous in
+libraries, affecting all staff and patrons, directly or indirectly.
+
+During these same five years, communications rates on the Internet, the
+principal academic computing network, have grown from 56 kbps to 1.5
+Mbps, and the NSFNet backbone is now running 45 Mbps.  Over the next five
+years, communication rates on the backbone are expected to exceed 1 Gbps.
+Growth in both the population of network users and the volume of network
+traffic  has continued to grow geometrically, at rates approaching 15
+percent per month.  This flood of capacity and use, likened by some to
+"drinking from a firehose,"  creates immense opportunities and challenges
+for libraries.  Libraries must anticipate the future implications of this
+technology, participate in its development, and deploy it to ensure
+access to the world's information resources.
+
+The infrastructure for the information age is being put in place.
+Libraries face strategic decisions about their role in the development,
+deployment, and use of this infrastructure.  The emerging infrastructure
+is much more than computers and communication lines.  It is more than the
+ability to compute at a remote site, send electronic mail to a peer
+across the country, or move a file from one library to another.  The next
+five years will witness substantial development of the information
+infrastructure of the network.
+
+In order to provide appropriate leadership, library professionals must
+have a fundamental understanding of and appreciation for computer
+networking, from local area networks to the National Research and
+Education Network (NREN).  This presentation addresses these
+fundamentals, and how they relate to libraries today and in the near
+future.
+
+Edwin BROWNRIGG               Electronic Library Visions and Realities
+
+The electronic library has been a vision desired by many--and rejected by
+some--since Vannevar Bush coined the term memex to describe an automated,
+intelligent, personal information system.  Variations on this vision have
+included Ted Nelson's Xanadau, Alan Kay's Dynabook, and Lancaster's
+"paperless library," with the most recent incarnation being the
+"Knowledge Navigator" described by John Scully of Apple.  But the reality
+of library service has been less visionary and the leap to the electronic
+library has eluded universities, publishers, and information technology
+files.
+
+The Memex Research Institute (MemRI), an independent, nonprofit research
+and development organization, has created an Electronic Library Program
+of shared research and development in order to make the collective vision
+more concrete.  The program is working toward the creation of large,
+indexed publicly available electronic image collections of published
+documents in academic, special, and public libraries.  This strategic
+plan is the result of the first stage of the program, which has been an
+investigation of the information technologies available to support such
+an effort, the economic parameters of electronic service compared to
+traditional library operations, and the business and political factors
+affecting the shift from print distribution to electronic networked
+access.
+
+The strategic plan envisions a combination of publicly searchable access
+databases, image (and text) document collections stored on network "file
+servers," local and remote network access, and an intellectual property
+management-control system.  This combination of technology and
+information content is defined in this plan as an E-library or E-library
+collection.  Some participating sponsors are already developing projects
+based on MemRI's recommended directions.
+
+The E-library strategy projected in this plan is a visionary one that can
+enable major changes and improvements in academic, public, and special
+library service.  This vision is, though, one that can be realized with
+today's technology.  At the same time, it will challenge the political
+and social structure within which libraries operate:  in academic
+libraries, the traditional emphasis on local collections, extending to
+accreditation issues; in public libraries, the potential of electronic
+branch and central libraries fully available to the public; and for
+special libraries, new opportunities for shared collections and networks.
+
+The environment in which this strategic plan has been developed is, at
+the moment, dominated by a sense of library limits.  The continued
+expansion and rapid growth of local academic library collections is now
+clearly at an end.  Corporate libraries, and even law libraries, are
+faced with operating within a difficult economic climate, as well as with
+very active competition from commercial information sources.  For
+example, public libraries may be seen as a desirable but not critical
+municipal service in a time when the budgets of safety and health
+agencies are being cut back.
+
+Further, libraries in general have a very high labor-to-cost ratio in
+their budgets, and labor costs are still increasing, notwithstanding
+automation investments.  It is difficult for libraries to obtain capital,
+startup, or seed funding for innovative activities, and those
+technology-intensive initiatives that offer the potential of decreased
+labor costs can provoke the opposition of library staff.
+
+However, libraries have achieved some considerable successes in the past
+two decades by improving both their service and their credibility within
+their organizations--and these positive changes have been accomplished
+mostly with judicious use of information technologies.  The advances in
+computing and information technology have been well-chronicled:  the
+continuing precipitous drop in computing costs, the growth of the
+Internet and private networks, and the explosive increase in publicly
+available information databases.
+
+For example, OCLC has become one of the largest computer network
+organizations in the world by creating a cooperative cataloging network
+of more than 6,000 libraries worldwide.  On-line public access catalogs
+now serve millions of users on more than 50,000 dedicated terminals in
+the United States alone.  The University of California MELVYL on-line
+catalog system has now expanded into an index database reference service
+and supports more than six million searches a year.  And, libraries have
+become the largest group of customers of CD-ROM publishing technology;
+more than 30,000 optical media publications such as those offered by
+InfoTrac and Silver Platter are subscribed to by U.S. libraries.
+
+This march of technology continues and in the next decade will result in
+further innovations that are extremely difficult to predict.  What is
+clear is that libraries can now go beyond automation of their order files
+and catalogs to automation of their collections themselves--and it is
+possible to circumvent the fiscal limitations that appear to obtain
+today.
+
+This Electronic Library Strategic Plan recommends a paradigm shift in
+library service, and demonstrates the steps necessary to provide improved
+library services with limited capacities and operating investments.
+
+SESSION IV-A
+
+Anne KENNEY
+
+The Cornell/Xerox Joint Study in Digital Preservation resulted in the
+recording of 1,000 brittle books as 600-dpi digital images and the
+production, on demand, of high-quality and archivally sound paper
+replacements.  The project, which was supported by the Commission on
+Preservation and Access, also investigated some of the issues surrounding
+scanning, storing, retrieving, and providing access to digital images in
+a network environment.
+
+Anne Kenney will focus on some of the issues surrounding direct scanning
+as identified in the Cornell Xerox Project.  Among those to be discussed
+are:  image versus text capture; indexing and access; image-capture
+capabilities; a comparison to photocopy and microfilm; production and
+cost analysis; storage formats, protocols, and standards; and the use of
+this scanning technology for preservation purposes.
+
+The 600-dpi digital images produced in the Cornell Xerox Project proved
+highly acceptable for creating paper replacements of deteriorating
+originals.  The 1,000 scanned volumes provided an array of image-capture
+challenges that are common to nineteenth-century printing techniques and
+embrittled material, and that defy the use of text-conversion processes.
+These challenges include diminished contrast between text and background,
+fragile and deteriorated pages, uneven printing, elaborate type faces,
+faint and bold text adjacency, handwritten text and annotations, nonRoman
+languages, and a proliferation of illustrated material embedded in text.
+The latter category included high-frequency and low-frequency halftones,
+continuous tone photographs, intricate mathematical drawings, maps,
+etchings, reverse-polarity drawings, and engravings.
+
+The Xerox prototype scanning system provided a number of important
+features for capturing this diverse material.  Technicians used multiple
+threshold settings, filters, line art and halftone definitions,
+autosegmentation, windowing, and software-editing programs to optimize
+image capture.  At the same time, this project focused on production.
+The goal was to make scanning as affordable and acceptable as
+photocopying and microfilming for preservation reformatting.  A
+time-and-cost study conducted during the last three months of this
+project confirmed the economic viability of digital scanning, and these
+findings will be discussed here.
+
+From the outset, the Cornell Xerox Project was predicated on the use of
+nonproprietary standards and the use of common protocols when standards
+did not exist.  Digital files were created as TIFF images which were
+compressed prior to storage using Group 4 CCITT compression.  The Xerox
+software is MS DOS based and utilizes off-the shelf programs such as
+Microsoft Windows and Wang Image Wizard.  The digital library is designed
+to be hardware-independent and to provide interchangeability with other
+institutions through network connections.  Access to the digital files
+themselves is two-tiered:  Bibliographic records for the computer files
+are created in RLIN and Cornell's local system and access into the actual
+digital images comprising a book is provided through a document control
+structure and a networked image file-server, both of which will be
+described.
+
+The presentation will conclude with a discussion of some of the issues
+surrounding the use of this technology as a preservation tool (storage,
+refreshing, backup).
+
+Pamela ANDRE and Judith ZIDAR
+
+The National Agricultural Library (NAL) has had extensive experience with
+raster scanning of printed materials.  Since 1987, the Library has
+participated in the National Agricultural Text Digitizing Project (NATDP)
+a cooperative effort between NAL and forty-five land grant university
+libraries.  An overview of the project will be presented, giving its
+history and NAL's strategy for the future.
+
+An in-depth discussion of NATDP will follow, including a description of
+the scanning process, from the gathering of the printed materials to the
+archiving of the electronic pages.  The type of equipment required for a
+stand-alone scanning workstation and the importance of file management
+software will be discussed.  Issues concerning the images themselves will
+be addressed briefly, such as image format; black and white versus color;
+gray scale versus dithering; and resolution.
+
+Also described will be a study currently in progress by NAL to evaluate
+the usefulness of converting microfilm to electronic images in order to
+improve access.  With the cooperation of Tuskegee University, NAL has
+selected three reels of microfilm from a collection of sixty-seven reels
+containing the papers, letters, and drawings of George Washington Carver.
+The three reels were converted into 3,500 electronic images using a
+specialized microfilm scanner.  The selection, filming, and indexing of
+this material will be discussed.
+
+Donald WATERS
+
+Project Open Book, the Yale University Library's effort to convert 10,
+000 books from microfilm to digital imagery, is currently in an advanced
+state of planning and organization.  The Yale Library has selected a
+major vendor to serve as a partner in the project and as systems
+integrator.  In its proposal, the successful vendor helped isolate areas
+of risk and uncertainty as well as key issues to be addressed during the
+life of the project.  The Yale Library is now poised to decide what
+material it will convert to digital image form and to seek funding,
+initially for the first phase and then for the entire project.
+
+The proposal that Yale accepted for the implementation of Project Open
+Book will provide at the end of three phases a conversion subsystem,
+browsing stations distributed on the campus network within the Yale
+Library, a subsystem for storing 10,000 books at 200 and 600 dots per
+inch, and network access to the image printers.  Pricing for the system
+implementation assumes the existence of Yale's campus ethernet network
+and its high-speed image printers, and includes other requisite hardware
+and software, as well as system integration services.  Proposed operating
+costs include hardware and software maintenance, but do not include
+estimates for the facilities management of the storage devices and image
+servers.
+
+Yale selected its vendor partner in a formal process, partly funded by
+the Commission for Preservation and Access.  Following a request for
+proposal, the Yale Library selected two vendors as finalists to work with
+Yale staff to generate a detailed analysis of requirements for Project
+Open Book.  Each vendor used the results of the requirements analysis to
+generate and submit a formal proposal for the entire project.  This
+competitive process not only enabled the Yale Library to select its
+primary vendor partner but also revealed much about the state of the
+imaging industry, about the varying, corporate commitments to the markets
+for imaging technology, and about the varying organizational dynamics
+through which major companies are responding to and seeking to develop
+these markets.
+
+Project Open Book is focused specifically on the conversion of images
+from microfilm to digital form.  The technology for scanning microfilm is
+readily available but is changing rapidly.  In its project requirements,
+the Yale Library emphasized features of the technology that affect the
+technical quality of digital image production and the costs of creating
+and storing the image library:  What levels of digital resolution can be
+achieved by scanning microfilm?  How does variation in the quality of
+microfilm, particularly in film produced to preservation standards,
+affect the quality of the digital images?  What technologies can an
+operator effectively and economically apply when scanning film to
+separate two-up images and to control for and correct image
+imperfections?  How can quality control best be integrated into
+digitizing work flow that includes document indexing and storage?
+
+The actual and expected uses of digital images--storage, browsing,
+printing, and OCR--help determine the standards for measuring their
+quality.  Browsing is especially important, but the facilities available
+for readers to browse image documents is perhaps the weakest aspect of
+imaging technology and most in need of development.  As it defined its
+requirements, the Yale Library concentrated on some fundamental aspects
+of usability for image documents:  Does the system have sufficient
+flexibility to handle the full range of document types, including
+monographs, multi-part and multivolume sets, and serials, as well as
+manuscript collections?  What conventions are necessary to identify a
+document uniquely for storage and retrieval?  Where is the database of
+record for storing bibliographic information about the image document?
+How are basic internal structures of documents, such as pagination, made
+accessible to the reader?  How are the image documents physically
+presented on the screen to the reader?
+
+The Yale Library designed Project Open Book on the assumption that
+microfilm is more than adequate as a medium for preserving the content of
+deteriorated library materials.  As planning in the project has advanced,
+it is increasingly clear that the challenge of digital image technology
+and the key to the success of efforts like Project Open Book is to
+provide a means of both preserving and improving access to those
+deteriorated materials.
+
+SESSION IV-B
+
+George THOMA
+
+In the use of electronic imaging for document preservation, there are
+several issues to consider, such as:  ensuring adequate image quality,
+maintaining substantial conversion rates (through-put), providing unique
+identification for automated access and retrieval, and accommodating
+bound volumes and fragile material.
+
+To maintain high image quality, image processing functions are required
+to correct the deficiencies in the scanned image.  Some commercially
+available systems include these functions, while some do not.  The
+scanned raw image must be processed to correct contrast deficiencies--
+both poor overall contrast resulting from light print and/or dark
+background, and variable contrast resulting from stains and
+bleed-through.  Furthermore, the scan density must be adequate to allow
+legibility of print and sufficient fidelity in the pseudo-halftoned gray
+material.  Borders or page-edge effects must be removed for both
+compactibility and aesthetics.  Page skew must be corrected for aesthetic
+reasons and to enable accurate character recognition if desired.
+Compound images consisting of both two-toned text and gray-scale
+illustrations must be processed appropriately to retain the quality of
+each.
+
+SESSION IV-C
+
+Jean BARONAS
+
+Standards publications being developed by scientists, engineers, and
+business managers in Association for Information and Image Management
+(AIIM) standards committees can be applied to electronic image management
+(EIM) processes including:  document (image) transfer, retrieval and
+evaluation; optical disk and document scanning; and document design and
+conversion.  When combined with EIM system planning and operations,
+standards can assist in generating image databases that are
+interchangeable among a variety of systems.  The applications of
+different approaches for image-tagging, indexing, compression, and
+transfer often cause uncertainty concerning EIM system compatibility,
+calibration, performance, and upward compatibility, until standard
+implementation parameters are established.  The AIIM standards that are
+being developed for these applications can be used to decrease the
+uncertainty, successfully integrate imaging processes, and promote "open
+systems."  AIIM is an accredited American National Standards Institute
+(ANSI) standards developer with more than twenty committees comprised of
+300 volunteers representing users, vendors, and manufacturers.  The
+standards publications that are developed in these committees have
+national acceptance and provide the basis for international harmonization
+in the development of new International Organization for Standardization
+(ISO) standards.
+
+This presentation describes the development of AIIM's EIM standards and a
+new effort at AIIM, a database on standards projects in a wide framework
+of imaging industries including capture, recording, processing,
+duplication, distribution, display, evaluation, and preservation.  The
+AIIM Imagery Database will cover imaging standards being developed by
+many organizations in many different countries.  It will contain
+standards publications' dates, origins, related national and
+international projects, status, key words, and abstracts.  The ANSI Image
+Technology Standards Board requested that such a database be established,
+as did the ISO/International Electrotechnical Commission Joint Task Force
+on Imagery.  AIIM will take on the leadership role for the database and
+coordinate its development with several standards developers.
+
+Patricia BATTIN
+
+     Characteristics of standards for digital imagery:
+
+          * Nature of digital technology implies continuing volatility.
+
+          * Precipitous standard-setting not possible and probably not
+          desirable.
+
+          * Standards are a complex issue involving the medium, the
+          hardware, the software, and the technical capacity for
+          reproductive fidelity and clarity.
+
+          * The prognosis for reliable archival standards (as defined by
+          librarians) in the foreseeable future is poor.
+
+     Significant potential and attractiveness of digital technology as a
+     preservation medium and access mechanism.
+
+     Productive use of digital imagery for preservation requires a
+     reconceptualizing of preservation principles in a volatile,
+     standardless world.
+
+     Concept of managing continuing access in the digital environment
+     rather than focusing on the permanence of the medium and long-term
+     archival standards developed for the analog world.
+
+     Transition period:  How long and what to do?
+
+          *  Redefine "archival."
+
+          *  Remove the burden of "archival copy" from paper artifacts.
+
+          *  Use digital technology for storage, develop management
+          strategies for refreshing medium, hardware and software.
+
+          *  Create acid-free paper copies for transition period backup
+          until we develop reliable procedures for ensuring continuing
+          access to digital files.
+
+SESSION IV-D
+
+Stuart WEIBEL            The Role of SGML Markup in the CORE Project (6)
+
+The emergence of high-speed telecommunications networks as a basic
+feature of the scholarly workplace is driving the demand for electronic
+document delivery.  Three distinct categories of electronic
+publishing/republishing are necessary to support access demands in this
+emerging environment:
+
+     1.)  Conversion of paper or microfilm archives to electronic format
+     2.)  Conversion of electronic files to formats tailored to
+          electronic retrieval and display
+     3.)  Primary electronic publishing (materials for which the
+          electronic version is the primary format)
+
+OCLC has experimental or product development activities in each of these
+areas.  Among the challenges that lie ahead is the integration of these
+three types of information stores in coherent distributed systems.
+
+The CORE (Chemistry Online Retrieval Experiment) Project is a model for
+the conversion of large text and graphics collections for which
+electronic typesetting files are available (category 2).  The American
+Chemical Society has made available computer typography files dating from
+1980 for its twenty journals.  This collection of some 250 journal-years
+is being converted to an electronic format that will be accessible
+through several end-user applications.
+
+The use of Standard Generalized Markup Language (SGML) offers the means
+to capture the structural richness of the original articles in a way that
+will support a variety of retrieval, navigation, and display options
+necessary to navigate effectively in very large text databases.
+
+An SGML document consists of text that is marked up with descriptive tags
+that specify the function of a given element within the document.  As a
+formal language construct, an SGML document can be parsed against a
+document-type definition (DTD) that unambiguously defines what elements
+are allowed and where in the document they can (or must) occur.  This
+formalized map of article structure allows the user interface design to
+be uncoupled from the underlying database system, an important step
+toward interoperability.  Demonstration of this separability is a part of
+the CORE project, wherein user interface designs born of very different
+philosophies will access the same database.
+
+NOTES:
+     (6)  The CORE project is a collaboration among Cornell University's
+     Mann Library, Bell Communications Research (Bellcore), the American
+     Chemical Society (ACS), the Chemical Abstracts Service (CAS), and
+     OCLC.
+
+Michael LESK                  The CORE Electronic Chemistry Library
+
+A major on-line file of chemical journal literature complete with
+graphics is being developed to test the usability of fully electronic
+access to documents, as a joint project of Cornell University, the
+American Chemical Society, the Chemical Abstracts Service, OCLC, and
+Bellcore (with additional support from Sun Microsystems, Springer-Verlag,
+DigitaI Equipment Corporation, Sony Corporation of America, and Apple
+Computers).  Our file contains the American Chemical Society's on-line
+journals, supplemented with the graphics from the paper publication.  The
+indexing of the articles from Chemical Abstracts Documents is available
+in both image and text format, and several different interfaces can be
+used.  Our goals are (1) to assess the effectiveness and acceptability of
+electronic access to primary journals as compared with paper, and (2) to
+identify the most desirable functions of the user interface to an
+electronic system of journals, including in particular a comparison of
+page-image display with ASCII display interfaces.  Early experiments with
+chemistry students on a variety of tasks suggest that searching tasks are
+completed much faster with any electronic system than with paper, but
+that for reading all versions of the articles are roughly equivalent.
+
+Pamela ANDRE and Judith ZIDAR
+
+Text conversion is far more expensive and time-consuming than image
+capture alone.  NAL's experience with optical character recognition (OCR)
+will be related and compared with the experience of having text rekeyed.
+What factors affect OCR accuracy?  How accurate does full text have to be
+in order to be useful?  How do different users react to imperfect text?
+These are questions that will be explored.  For many, a service bureau
+may be a better solution than performing the work inhouse; this will also
+be discussed.
+
+SESSION VI
+
+Marybeth PETERS
+
+Copyright law protects creative works.  Protection granted by the law to
+authors and disseminators of works includes the right to do or authorize
+the following:  reproduce the work, prepare derivative works, distribute
+the work to the public, and publicly perform or display the work.  In
+addition, copyright owners of sound recordings and computer programs have
+the right to control rental of their works.  These rights are not
+unlimited; there are a number of exceptions and limitations.
+
+An electronic environment places strains on the copyright system.
+Copyright owners want to control uses of their work and be paid for any
+use; the public wants quick and easy access at little or no cost.  The
+marketplace is working in this area.  Contracts, guidelines on electronic
+use, and collective licensing are in use and being refined.
+
+Issues concerning the ability to change works without detection are more
+difficult to deal with.  Questions concerning the integrity of the work
+and the status of the changed version under the copyright law are to be
+addressed.  These are public policy issues which require informed
+dialogue.
+
+
+               ***   ***   ***   ******   ***   ***   ***
+
+
+                Appendix III:  DIRECTORY OF PARTICIPANTS
+
+
+PRESENTERS:
+
+     Pamela Q.J. Andre
+     Associate Director, Automation
+     National Agricultural Library
+     10301 Baltimore Boulevard
+     Beltsville, MD 20705-2351
+     Phone:  (301) 504-6813
+     Fax:  (301) 504-7473
+     E-mail:  INTERNET:  PANDRE@ASRR.ARSUSDA.GOV
+
+     Jean Baronas, Senior Manager
+     Department of Standards and Technology
+     Association for Information and Image Management (AIIM)
+     1100 Wayne Avenue, Suite 1100
+     Silver Spring, MD 20910
+     Phone:  (301) 587-8202
+     Fax:  (301) 587-2711
+
+     Patricia Battin, President
+     The Commission on Preservation and Access
+     1400 16th Street, N.W.
+     Suite 740
+     Washington, DC 20036-2217
+     Phone:  (202) 939-3400
+     Fax:  (202) 939-3407
+     E-mail:  CPA@GWUVM.BITNET
+
+     Howard Besser
+     Centre Canadien d'Architecture
+     (Canadian Center for Architecture)
+     1920, rue Baile
+     Montreal, Quebec H3H 2S6
+     CANADA
+     Phone:  (514) 939-7001
+     Fax:  (514) 939-7020
+     E-mail:  howard@lis.pitt.edu
+
+     Edwin B. Brownrigg, Executive Director
+     Memex Research Institute
+     422 Bonita Avenue
+     Roseville, CA 95678
+     Phone:  (916) 784-2298
+     Fax:  (916) 786-7559
+     E-mail:  BITNET:  MEMEX@CALSTATE.2
+
+     Eric M. Calaluca, Vice President
+     Chadwyck-Healey, Inc.
+     1101 King Street
+     Alexandria, VA 223l4
+     Phone:  (800) 752-05l5
+     Fax:  (703) 683-7589
+
+     James Daly
+     4015 Deepwood Road
+     Baltimore, MD 21218-1404
+     Phone:  (410) 235-0763
+
+     Ricky Erway, Associate Coordinator
+     American Memory
+     Library of Congress
+     Phone:  (202) 707-6233
+     Fax:  (202) 707-3764
+
+     Carl Fleischhauer, Coordinator
+     American Memory
+     Library of Congress
+     Phone:  (202) 707-6233
+     Fax:  (202) 707-3764
+
+     Joanne Freeman
+     2000 Jefferson Park Avenue, No. 7
+     Charlottesville, VA  22903
+
+     Prosser Gifford
+     Director for Scholarly Programs
+     Library of Congress
+     Phone:  (202) 707-1517
+     Fax:  (202) 707-9898
+     E-mail:  pgif@seq1.loc.gov
+
+     Jacqueline Hess, Director
+     National Demonstration Laboratory
+       for Interactive Information Technologies
+     Library of Congress
+     Phone:  (202) 707-4157
+     Fax:  (202) 707-2829
+
+     Susan Hockey, Director
+     Center for Electronic Texts in the Humanities (CETH)
+     Alexander Library
+     Rutgers University
+     169 College Avenue
+     New Brunswick, NJ 08903
+     Phone:  (908) 932-1384
+     Fax:  (908) 932-1386
+     E-mail:  hockey@zodiac.rutgers.edu
+
+     William L. Hooton, Vice President
+     Business & Technical Development
+       Imaging & Information Systems Group
+     I-NET
+     6430 Rockledge Drive, Suite 400
+     Bethesda, MD 208l7
+     Phone:  (301) 564-6750
+     Fax:  (513) 564-6867
+
+     Anne R. Kenney, Associate Director
+     Department of Preservation and Conservation
+     701 Olin Library
+     Cornell University
+     Ithaca, NY 14853
+     Phone:  (607) 255-6875
+     Fax:  (607) 255-9346
+     E-mail:  LYDY@CORNELLA.BITNET
+
+     Ronald L. Larsen
+     Associate Director for Information Technology
+     University of Maryland at College Park
+     Room B0224, McKeldin Library
+     College Park, MD 20742-7011
+     Phone:  (301) 405-9194
+     Fax:  (301) 314-9865
+     E-mail:  rlarsen@libr.umd.edu
+
+     Maria L. Lebron, Managing Editor
+     The Online Journal of Current Clinical Trials
+     l333 H Street, N.W.
+     Washington, DC 20005
+     Phone:  (202) 326-6735
+     Fax:  (202) 842-2868
+     E-mail:  PUBSAAAS@GWUVM.BITNET
+
+     Michael Lesk, Executive Director
+     Computer Science Research
+     Bell Communications Research, Inc.
+     Rm 2A-385
+     445 South Street
+     Morristown, NJ 07960-l9l0
+     Phone:  (201) 829-4070
+     Fax:  (201) 829-5981
+     E-mail:  lesk@bellcore.com (Internet) or bellcore!lesk (uucp)
+
+     Clifford A. Lynch
+     Director, Library Automation
+     University of California,
+        Office of the President
+     300 Lakeside Drive, 8th Floor
+     Oakland, CA 94612-3350
+     Phone:  (510) 987-0522
+     Fax:  (510) 839-3573
+     E-mail:  calur@uccmvsa
+
+     Avra Michelson
+     National Archives and Records Administration
+     NSZ Rm. 14N
+     7th & Pennsylvania, N.W.
+     Washington, D.C. 20408
+     Phone:  (202) 501-5544
+     Fax:  (202) 501-5533
+     E-mail:  tmi@cu.nih.gov
+
+     Elli Mylonas, Managing Editor
+     Perseus Project
+     Department of the Classics
+     Harvard University
+     319 Boylston Hall
+     Cambridge, MA 02138
+     Phone:  (617) 495-9025, (617) 495-0456 (direct)
+     Fax:  (617) 496-8886
+     E-mail:  Elli@IKAROS.Harvard.EDU or elli@wjh12.harvard.edu
+
+     David Woodley Packard
+     Packard Humanities Institute
+     300 Second Street, Suite 201
+     Los Altos, CA 94002
+     Phone:  (415) 948-0150 (PHI)
+     Fax:  (415) 948-5793
+
+     Lynne K. Personius, Assistant Director
+     Cornell Information Technologies for
+      Scholarly Information Sources
+     502 Olin Library
+     Cornell University
+     Ithaca, NY 14853
+     Phone:  (607) 255-3393
+     Fax:  (607) 255-9346
+     E-mail:  JRN@CORNELLC.BITNET
+
+     Marybeth Peters
+     Policy Planning Adviser to the
+       Register of Copyrights
+     Library of Congress
+     Office LM 403
+     Phone:  (202) 707-8350
+     Fax:  (202) 707-8366
+
+     C. Michael Sperberg-McQueen
+     Editor, Text Encoding Initiative
+     Computer Center (M/C 135)
+     University of Illinois at Chicago
+     Box 6998
+     Chicago, IL 60680
+     Phone:  (312) 413-0317
+     Fax:  (312) 996-6834
+     E-mail:  u35395@uicvm..cc.uic.edu or u35395@uicvm.bitnet
+
+     George R. Thoma, Chief
+     Communications Engineering Branch
+     National Library of Medicine
+     8600 Rockville Pike
+     Bethesda, MD 20894
+     Phone:  (301) 496-4496
+     Fax:  (301) 402-0341
+     E-mail:  thoma@lhc.nlm.nih.gov
+
+     Dorothy Twohig, Editor
+     The Papers of George Washington
+     504 Alderman Library
+     University of Virginia
+     Charlottesville, VA 22903-2498
+     Phone:  (804) 924-0523
+     Fax:  (804) 924-4337
+
+     Susan H. Veccia, Team leader
+     American Memory, User Evaluation
+     Library of Congress
+     American Memory Evaluation Project
+     Phone:  (202) 707-9104
+     Fax:  (202) 707-3764
+     E-mail:  svec@seq1.loc.gov
+
+     Donald J. Waters, Head
+     Systems Office
+     Yale University Library
+     New Haven, CT 06520
+     Phone:  (203) 432-4889
+     Fax:  (203) 432-7231
+     E-mail:  DWATERS@YALEVM.BITNET or DWATERS@YALEVM.YCC.YALE.EDU
+
+     Stuart Weibel, Senior Research Scientist
+     OCLC
+     6565 Frantz Road
+     Dublin, OH 43017
+     Phone:  (614) 764-608l
+     Fax:  (614) 764-2344
+     E-mail:  INTERNET:  Stu@rsch.oclc.org
+
+     Robert G. Zich
+     Special Assistant to the Associate Librarian
+       for Special Projects
+     Library of Congress
+     Phone:  (202) 707-6233
+     Fax:  (202) 707-3764
+     E-mail:  rzic@seq1.loc.gov
+
+     Judith A. Zidar, Coordinator
+     National Agricultural Text Digitizing Program
+     Information Systems Division
+     National Agricultural Library
+     10301 Baltimore Boulevard
+     Beltsville, MD 20705-2351
+     Phone:  (301) 504-6813 or 504-5853
+     Fax:  (301) 504-7473
+     E-mail:  INTERNET:  JZIDAR@ASRR.ARSUSDA.GOV
+
+
+OBSERVERS:
+
+     Helen Aguera, Program Officer
+     Division of Research
+     Room 318
+     National Endowment for the Humanities
+     1100 Pennsylvania Avenue, N.W.
+     Washington, D.C. 20506
+     Phone:  (202) 786-0358
+     Fax:  (202) 786-0243
+
+     M. Ellyn Blanton, Deputy Director
+     National Demonstration Laboratory
+       for Interactive Information Technologies
+     Library of Congress
+     Phone:  (202) 707-4157
+     Fax:  (202) 707-2829
+
+     Charles M. Dollar
+     National Archives and Records Administration
+     NSZ Rm. 14N
+     7th & Pennsylvania, N.W.
+     Washington, DC 20408
+     Phone:  (202) 501-5532
+     Fax:  (202) 501-5512
+
+     Jeffrey Field, Deputy to the Director
+     Division of Preservation and Access
+     Room 802
+     National Endowment for the Humanities
+     1100 Pennsylvania Avenue, N.W.
+     Washington, DC 20506
+     Phone:  (202) 786-0570
+     Fax:  (202) 786-0243
+
+     Lorrin Garson
+     American Chemical Society
+     Research and Development Department
+     1155 16th Street, N.W.
+     Washington, D.C. 20036
+     Phone:  (202) 872-4541
+     Fax:  E-mail:  INTERNET:  LRG96@ACS.ORG
+
+     William M. Holmes, Jr.
+     National Archives and Records Administration
+     NSZ Rm. 14N
+     7th & Pennsylvania, N.W.
+     Washington, DC 20408
+     Phone:  (202) 501-5540
+     Fax:  (202) 501-5512
+     E-mail:  WHOLMES@AMERICAN.EDU
+
+     Sperling Martin
+     Information Resource Management
+     20030 Doolittle Street
+     Gaithersburg, MD 20879
+     Phone:  (301) 924-1803
+
+     Michael Neuman, Director
+     The Center for Text and Technology
+     Academic Computing Center
+     238 Reiss Science Building
+     Georgetown University
+     Washington, DC 20057
+     Phone:  (202) 687-6096
+     Fax:  (202) 687-6003
+     E-mail:  neuman@guvax.bitnet, neuman@guvax.georgetown.edu
+
+     Barbara Paulson, Program Officer
+     Division of Preservation and Access
+     Room 802
+     National Endowment for the Humanities
+     1100 Pennsylvania Avenue, N.W.
+     Washington, DC 20506
+     Phone:  (202) 786-0577
+     Fax:  (202) 786-0243
+
+     Allen H. Renear
+     Senior Academic Planning Analyst
+     Brown University Computing and Information Services
+     115 Waterman Street
+     Campus Box 1885
+     Providence, R.I. 02912
+     Phone:  (401) 863-7312
+     Fax:  (401) 863-7329
+     E-mail:  BITNET:  Allen@BROWNVM or
+     INTERNET:  Allen@brownvm.brown.edu
+
+     Susan M. Severtson, President
+     Chadwyck-Healey, Inc.
+     1101 King Street
+     Alexandria, VA 223l4
+     Phone:  (800) 752-05l5
+     Fax:  (703) 683-7589
+
+     Frank Withrow
+     U.S. Department of Education
+     555 New Jersey Avenue, N.W.
+     Washington, DC 20208-5644
+     Phone:  (202) 219-2200
+     Fax:  (202) 219-2106
+
+
+(LC STAFF)
+
+     Linda L. Arret
+     Machine-Readable Collections Reading Room LJ 132
+     (202) 707-1490
+
+     John D. Byrum, Jr.
+     Descriptive Cataloging Division LM 540
+     (202) 707-5194
+
+     Mary Jane Cavallo
+     Science and Technology Division LA 5210
+     (202) 707-1219
+
+     Susan Thea David
+     Congressional Research Service LM 226
+     (202) 707-7169
+
+     Robert Dierker
+     Senior Adviser for Multimedia Activities LM 608
+     (202) 707-6151
+
+     William W. Ellis
+     Associate Librarian for Science and Technology LM 611
+     (202) 707-6928
+
+     Ronald Gephart
+     Manuscript Division LM 102
+     (202) 707-5097
+
+     James Graber
+     Information Technology Services LM G51
+     (202) 707-9628
+
+     Rich Greenfield
+     American Memory LM 603
+     (202) 707-6233
+
+     Rebecca Guenther
+     Network Development LM 639
+     (202) 707-5092
+
+     Kenneth E. Harris
+     Preservation LM G21
+     (202) 707-5213
+
+     Staley Hitchcock
+     Manuscript Division LM 102
+     (202) 707-5383
+
+     Bohdan Kantor
+     Office of Special Projects LM 612
+     (202) 707-0180
+
+     John W. Kimball, Jr
+     Machine-Readable Collections Reading Room LJ 132
+     (202) 707-6560
+
+     Basil Manns
+     Information Technology Services LM G51
+     (202) 707-8345
+
+     Sally Hart McCallum
+     Network Development LM 639
+     (202) 707-6237
+
+     Dana J. Pratt
+     Publishing Office LM 602
+     (202) 707-6027
+
+     Jane Riefenhauser
+     American Memory LM 603
+     (202) 707-6233
+
+     William Z. Schenck
+     Collections Development LM 650
+     (202) 707-7706
+
+     Chandru J. Shahani
+     Preservation Research and Testing Office (R&T) LM G38
+     (202) 707-5607
+
+     William J. Sittig
+     Collections Development LM 650
+     (202) 707-7050
+
+     Paul Smith
+     Manuscript Division LM 102
+     (202) 707-5097
+
+     James L. Stevens
+     Information Technology Services LM G51
+     (202) 707-9688
+
+     Karen Stuart
+     Manuscript Division LM 130
+     (202) 707-5389
+
+     Tamara Swora
+     Preservation Microfilming Office LM G05
+     (202) 707-6293
+
+     Sarah Thomas
+     Collections Cataloging LM 642
+     (202) 707-5333
+
+
+                                   END
+      *************************************************************
+
+Note:  This file has been edited for use on computer networks.  This
+editing required the removal of diacritics, underlining, and fonts such
+as italics and bold.
+
+kde 11/92
+
+[A few of the italics (when used for emphasis) were replaced by CAPS mh]
+
+*End of The Project Gutenberg Etext of LOC WORKSHOP ON ELECTRONIC ETEXTS
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+
+This is the February 1992 Project Gutenberg release of:
+
+Paradise Lost by John Milton
+
+The oldest etext known to Project Gutenberg (ca. 1964-1965)
+(If you know of any older ones, please let us know.)
+
+
+Introduction  (one page)
+
+This etext was originally created in 1964-1965 according to Dr.
+Joseph Raben of Queens College, NY, to whom it is attributed by
+Project Gutenberg.  We had heard of this etext for years but it
+was not until 1991 that we actually managed to track it down to
+a specific location, and then it took months to convince people
+to let us have a copy, then more months for them actually to do
+the copying and get it to us.  Then another month to convert to
+something we could massage with our favorite 486 in DOS.  After
+that is was only a matter of days to get it into this shape you
+will see below.  The original was, of course, in CAPS only, and
+so were all the other etexts of the 60's and early 70's.  Don't
+let anyone fool you into thinking any etext with both upper and
+lower case is an original; all those original Project Gutenberg
+etexts were also in upper case and were translated or rewritten
+many times to get them into their current condition.  They have
+been worked on by many people throughout the world.
+
+In the course of our searches for Professor Raben and his etext
+we were never able to determine where copies were or which of a
+variety of editions he may have used as a source.  We did get a
+little information here and there, but even after we received a
+copy of the etext we were unwilling to release it without first
+determining that it was in fact Public Domain and finding Raben
+to verify this and get his permission.  Interested enough, in a
+totally unrelated action to our searches for him, the professor
+subscribed to the Project Gutenberg listserver and we happened,
+by accident, to notice his name. (We don't really look at every
+subscription request as the computers usually handle them.) The
+etext was then properly identified, copyright analyzed, and the
+current edition prepared.
+
+To give you an estimation of the difference in the original and
+what we have today:  the original was probably entered on cards
+commonly known at the time as "IBM cards" (Do Not Fold, Spindle
+or Mutilate) and probably took in excess of 100,000 of them.  A
+single card could hold 80 characters (hence 80 characters is an
+accepted standard for so many computer margins), and the entire
+original edition we received in all caps was over 800,000 chars
+in length, including line enumeration, symbols for caps and the
+punctuation marks, etc., since they were not available keyboard
+characters at the time (probably the keyboards operated at baud
+rates of around 113, meaning the typists had to type slowly for
+the keyboard to keep up).
+
+This is the second version of Paradise Lost released by Project
+Gutenberg.  The first was released as our October, 1991 etext.
+
+
+
+
+
+Paradise Lost
+
+
+
+
+Book I
+
+
+Of Man's first disobedience, and the fruit
+Of that forbidden tree whose mortal taste
+Brought death into the World, and all our woe,
+With loss of Eden, till one greater Man
+Restore us, and regain the blissful seat,
+Sing, Heavenly Muse, that, on the secret top
+Of Oreb, or of Sinai, didst inspire
+That shepherd who first taught the chosen seed
+In the beginning how the heavens and earth
+Rose out of Chaos: or, if Sion hill
+Delight thee more, and Siloa's brook that flowed
+Fast by the oracle of God, I thence
+Invoke thy aid to my adventurous song,
+That with no middle flight intends to soar
+Above th' Aonian mount, while it pursues
+Things unattempted yet in prose or rhyme.
+And chiefly thou, O Spirit, that dost prefer
+Before all temples th' upright heart and pure,
+Instruct me, for thou know'st; thou from the first
+Wast present, and, with mighty wings outspread,
+Dove-like sat'st brooding on the vast Abyss,
+And mad'st it pregnant: what in me is dark
+Illumine, what is low raise and support;
+That, to the height of this great argument,
+I may assert Eternal Providence,
+And justify the ways of God to men.
+  Say first--for Heaven hides nothing from thy view,
+Nor the deep tract of Hell--say first what cause
+Moved our grand parents, in that happy state,
+Favoured of Heaven so highly, to fall off
+From their Creator, and transgress his will
+For one restraint, lords of the World besides.
+Who first seduced them to that foul revolt?
+  Th' infernal Serpent; he it was whose guile,
+Stirred up with envy and revenge, deceived
+The mother of mankind, what time his pride
+Had cast him out from Heaven, with all his host
+Of rebel Angels, by whose aid, aspiring
+To set himself in glory above his peers,
+He trusted to have equalled the Most High,
+If he opposed, and with ambitious aim
+Against the throne and monarchy of God,
+Raised impious war in Heaven and battle proud,
+With vain attempt. Him the Almighty Power
+Hurled headlong flaming from th' ethereal sky,
+With hideous ruin and combustion, down
+To bottomless perdition, there to dwell
+In adamantine chains and penal fire,
+Who durst defy th' Omnipotent to arms.
+  Nine times the space that measures day and night
+To mortal men, he, with his horrid crew,
+Lay vanquished, rolling in the fiery gulf,
+Confounded, though immortal. But his doom
+Reserved him to more wrath; for now the thought
+Both of lost happiness and lasting pain
+Torments him: round he throws his baleful eyes,
+That witnessed huge affliction and dismay,
+Mixed with obdurate pride and steadfast hate.
+At once, as far as Angels ken, he views
+The dismal situation waste and wild.
+A dungeon horrible, on all sides round,
+As one great furnace flamed; yet from those flames
+No light; but rather darkness visible
+Served only to discover sights of woe,
+Regions of sorrow, doleful shades, where peace
+And rest can never dwell, hope never comes
+That comes to all, but torture without end
+Still urges, and a fiery deluge, fed
+With ever-burning sulphur unconsumed.
+Such place Eternal Justice has prepared
+For those rebellious; here their prison ordained
+In utter darkness, and their portion set,
+As far removed from God and light of Heaven
+As from the centre thrice to th' utmost pole.
+Oh how unlike the place from whence they fell!
+There the companions of his fall, o'erwhelmed
+With floods and whirlwinds of tempestuous fire,
+He soon discerns; and, weltering by his side,
+One next himself in power, and next in crime,
+Long after known in Palestine, and named
+Beelzebub. To whom th' Arch-Enemy,
+And thence in Heaven called Satan, with bold words
+Breaking the horrid silence, thus began:--
+  "If thou beest he--but O how fallen! how changed
+From him who, in the happy realms of light
+Clothed with transcendent brightness, didst outshine
+Myriads, though bright!--if he whom mutual league,
+United thoughts and counsels, equal hope
+And hazard in the glorious enterprise
+Joined with me once, now misery hath joined
+In equal ruin; into what pit thou seest
+From what height fallen: so much the stronger proved
+He with his thunder; and till then who knew
+The force of those dire arms? Yet not for those,
+Nor what the potent Victor in his rage
+Can else inflict, do I repent, or change,
+Though changed in outward lustre, that fixed mind,
+And high disdain from sense of injured merit,
+That with the Mightiest raised me to contend,
+And to the fierce contentions brought along
+Innumerable force of Spirits armed,
+That durst dislike his reign, and, me preferring,
+His utmost power with adverse power opposed
+In dubious battle on the plains of Heaven,
+And shook his throne. What though the field be lost?
+All is not lost--the unconquerable will,
+And study of revenge, immortal hate,
+And courage never to submit or yield:
+And what is else not to be overcome?
+That glory never shall his wrath or might
+Extort from me. To bow and sue for grace
+With suppliant knee, and deify his power
+Who, from the terror of this arm, so late
+Doubted his empire--that were low indeed;
+That were an ignominy and shame beneath
+This downfall; since, by fate, the strength of Gods,
+And this empyreal sybstance, cannot fail;
+Since, through experience of this great event,
+In arms not worse, in foresight much advanced,
+We may with more successful hope resolve
+To wage by force or guile eternal war,
+Irreconcilable to our grand Foe,
+Who now triumphs, and in th' excess of joy
+Sole reigning holds the tyranny of Heaven."
+  So spake th' apostate Angel, though in pain,
+Vaunting aloud, but racked with deep despair;
+And him thus answered soon his bold compeer:--
+  "O Prince, O Chief of many throned Powers
+That led th' embattled Seraphim to war
+Under thy conduct, and, in dreadful deeds
+Fearless, endangered Heaven's perpetual King,
+And put to proof his high supremacy,
+Whether upheld by strength, or chance, or fate,
+Too well I see and rue the dire event
+That, with sad overthrow and foul defeat,
+Hath lost us Heaven, and all this mighty host
+In horrible destruction laid thus low,
+As far as Gods and heavenly Essences
+Can perish: for the mind and spirit remains
+Invincible, and vigour soon returns,
+Though all our glory extinct, and happy state
+Here swallowed up in endless misery.
+But what if he our Conqueror (whom I now
+Of force believe almighty, since no less
+Than such could have o'erpowered such force as ours)
+Have left us this our spirit and strength entire,
+Strongly to suffer and support our pains,
+That we may so suffice his vengeful ire,
+Or do him mightier service as his thralls
+By right of war, whate'er his business be,
+Here in the heart of Hell to work in fire,
+Or do his errands in the gloomy Deep?
+What can it the avail though yet we feel
+Strength undiminished, or eternal being
+To undergo eternal punishment?"
+  Whereto with speedy words th' Arch-Fiend replied:--
+"Fallen Cherub, to be weak is miserable,
+Doing or suffering: but of this be sure--
+To do aught good never will be our task,
+But ever to do ill our sole delight,
+As being the contrary to his high will
+Whom we resist. If then his providence
+Out of our evil seek to bring forth good,
+Our labour must be to pervert that end,
+And out of good still to find means of evil;
+Which ofttimes may succeed so as perhaps
+Shall grieve him, if I fail not, and disturb
+His inmost counsels from their destined aim.
+But see! the angry Victor hath recalled
+His ministers of vengeance and pursuit
+Back to the gates of Heaven: the sulphurous hail,
+Shot after us in storm, o'erblown hath laid
+The fiery surge that from the precipice
+Of Heaven received us falling; and the thunder,
+Winged with red lightning and impetuous rage,
+Perhaps hath spent his shafts, and ceases now
+To bellow through the vast and boundless Deep.
+Let us not slip th' occasion, whether scorn
+Or satiate fury yield it from our Foe.
+Seest thou yon dreary plain, forlorn and wild,
+The seat of desolation, void of light,
+Save what the glimmering of these livid flames
+Casts pale and dreadful? Thither let us tend
+From off the tossing of these fiery waves;
+There rest, if any rest can harbour there;
+And, re-assembling our afflicted powers,
+Consult how we may henceforth most offend
+Our enemy, our own loss how repair,
+How overcome this dire calamity,
+What reinforcement we may gain from hope,
+If not, what resolution from despair."
+  Thus Satan, talking to his nearest mate,
+With head uplift above the wave, and eyes
+That sparkling blazed; his other parts besides
+Prone on the flood, extended long and large,
+Lay floating many a rood, in bulk as huge
+As whom the fables name of monstrous size,
+Titanian or Earth-born, that warred on Jove,
+Briareos or Typhon, whom the den
+By ancient Tarsus held, or that sea-beast
+Leviathan, which God of all his works
+Created hugest that swim th' ocean-stream.
+Him, haply slumbering on the Norway foam,
+The pilot of some small night-foundered skiff,
+Deeming some island, oft, as seamen tell,
+With fixed anchor in his scaly rind,
+Moors by his side under the lee, while night
+Invests the sea, and wished morn delays.
+So stretched out huge in length the Arch-fiend lay,
+Chained on the burning lake; nor ever thence
+Had risen, or heaved his head, but that the will
+And high permission of all-ruling Heaven
+Left him at large to his own dark designs,
+That with reiterated crimes he might
+Heap on himself damnation, while he sought
+Evil to others, and enraged might see
+How all his malice served but to bring forth
+Infinite goodness, grace, and mercy, shewn
+On Man by him seduced, but on himself
+Treble confusion, wrath, and vengeance poured.
+  Forthwith upright he rears from off the pool
+His mighty stature; on each hand the flames
+Driven backward slope their pointing spires, and,rolled
+In billows, leave i' th' midst a horrid vale.
+Then with expanded wings he steers his flight
+Aloft, incumbent on the dusky air,
+That felt unusual weight; till on dry land
+He lights--if it were land that ever burned
+With solid, as the lake with liquid fire,
+And such appeared in hue as when the force
+Of subterranean wind transprots a hill
+Torn from Pelorus, or the shattered side
+Of thundering Etna, whose combustible
+And fuelled entrails, thence conceiving fire,
+Sublimed with mineral fury, aid the winds,
+And leave a singed bottom all involved
+With stench and smoke. Such resting found the sole
+Of unblest feet. Him followed his next mate;
+Both glorying to have scaped the Stygian flood
+As gods, and by their own recovered strength,
+Not by the sufferance of supernal Power.
+  "Is this the region, this the soil, the clime,"
+Said then the lost Archangel, "this the seat
+That we must change for Heaven?--this mournful gloom
+For that celestial light? Be it so, since he
+Who now is sovereign can dispose and bid
+What shall be right: farthest from him is best
+Whom reason hath equalled, force hath made supreme
+Above his equals. Farewell, happy fields,
+Where joy for ever dwells! Hail, horrors! hail,
+Infernal world! and thou, profoundest Hell,
+Receive thy new possessor--one who brings
+A mind not to be changed by place or time.
+The mind is its own place, and in itself
+Can make a Heaven of Hell, a Hell of Heaven.
+What matter where, if I be still the same,
+And what I should be, all but less than he
+Whom thunder hath made greater? Here at least
+We shall be free; th' Almighty hath not built
+Here for his envy, will not drive us hence:
+Here we may reigh secure; and, in my choice,
+To reign is worth ambition, though in Hell:
+Better to reign in Hell than serve in Heaven.
+But wherefore let we then our faithful friends,
+Th' associates and co-partners of our loss,
+Lie thus astonished on th' oblivious pool,
+And call them not to share with us their part
+In this unhappy mansion, or once more
+With rallied arms to try what may be yet
+Regained in Heaven, or what more lost in Hell?"
+  So Satan spake; and him Beelzebub
+Thus answered:--"Leader of those armies bright
+Which, but th' Omnipotent, none could have foiled!
+If once they hear that voice, their liveliest pledge
+Of hope in fears and dangers--heard so oft
+In worst extremes, and on the perilous edge
+Of battle, when it raged, in all assaults
+Their surest signal--they will soon resume
+New courage and revive, though now they lie
+Grovelling and prostrate on yon lake of fire,
+As we erewhile, astounded and amazed;
+No wonder, fallen such a pernicious height!"
+  He scare had ceased when the superior Fiend
+Was moving toward the shore; his ponderous shield,
+Ethereal temper, massy, large, and round,
+Behind him cast. The broad circumference
+Hung on his shoulders like the moon, whose orb
+Through optic glass the Tuscan artist views
+At evening, from the top of Fesole,
+Or in Valdarno, to descry new lands,
+Rivers, or mountains, in her spotty globe.
+His spear--to equal which the tallest pine
+Hewn on Norwegian hills, to be the mast
+Of some great ammiral, were but a wand--
+He walked with, to support uneasy steps
+Over the burning marl, not like those steps
+On Heaven's azure; and the torrid clime
+Smote on him sore besides, vaulted with fire.
+Nathless he so endured, till on the beach
+Of that inflamed sea he stood, and called
+His legions--Angel Forms, who lay entranced
+Thick as autumnal leaves that strow the brooks
+In Vallombrosa, where th' Etrurian shades
+High over-arched embower; or scattered sedge
+Afloat, when with fierce winds Orion armed
+Hath vexed the Red-Sea coast, whose waves o'erthrew
+Busiris and his Memphian chivalry,
+While with perfidious hatred they pursued
+The sojourners of Goshen, who beheld
+From the safe shore their floating carcases
+And broken chariot-wheels. So thick bestrown,
+Abject and lost, lay these, covering the flood,
+Under amazement of their hideous change.
+He called so loud that all the hollow deep
+Of Hell resounded:--"Princes, Potentates,
+Warriors, the Flower of Heaven--once yours; now lost,
+If such astonishment as this can seize
+Eternal Spirits! Or have ye chosen this place
+After the toil of battle to repose
+Your wearied virtue, for the ease you find
+To slumber here, as in the vales of Heaven?
+Or in this abject posture have ye sworn
+To adore the Conqueror, who now beholds
+Cherub and Seraph rolling in the flood
+With scattered arms and ensigns, till anon
+His swift pursuers from Heaven-gates discern
+Th' advantage, and, descending, tread us down
+Thus drooping, or with linked thunderbolts
+Transfix us to the bottom of this gulf?
+Awake, arise, or be for ever fallen!"
+  They heard, and were abashed, and up they sprung
+Upon the wing, as when men wont to watch
+On duty, sleeping found by whom they dread,
+Rouse and bestir themselves ere well awake.
+Nor did they not perceive the evil plight
+In which they were, or the fierce pains not feel;
+Yet to their General's voice they soon obeyed
+Innumerable. As when the potent rod
+Of Amram's son, in Egypt's evil day,
+Waved round the coast, up-called a pitchy cloud
+Of locusts, warping on the eastern wind,
+That o'er the realm of impious Pharaoh hung
+Like Night, and darkened all the land of Nile;
+So numberless were those bad Angels seen
+Hovering on wing under the cope of Hell,
+'Twixt upper, nether, and surrounding fires;
+Till, as a signal given, th' uplifted spear
+Of their great Sultan waving to direct
+Their course, in even balance down they light
+On the firm brimstone, and fill all the plain:
+A multitude like which the populous North
+Poured never from her frozen loins to pass
+Rhene or the Danaw, when her barbarous sons
+Came like a deluge on the South, and spread
+Beneath Gibraltar to the Libyan sands.
+Forthwith, form every squadron and each band,
+The heads and leaders thither haste where stood
+Their great Commander--godlike Shapes, and Forms
+Excelling human; princely Dignities;
+And Powers that erst in Heaven sat on thrones,
+Though on their names in Heavenly records now
+Be no memorial, blotted out and rased
+By their rebellion from the Books of Life.
+Nor had they yet among the sons of Eve
+Got them new names, till, wandering o'er the earth,
+Through God's high sufferance for the trial of man,
+By falsities and lies the greatest part
+Of mankind they corrupted to forsake
+God their Creator, and th' invisible
+Glory of him that made them to transform
+Oft to the image of a brute, adorned
+With gay religions full of pomp and gold,
+And devils to adore for deities:
+Then were they known to men by various names,
+And various idols through the heathen world.
+  Say, Muse, their names then known, who first, who last,
+Roused from the slumber on that fiery couch,
+At their great Emperor's call, as next in worth
+Came singly where he stood on the bare strand,
+While the promiscuous crowd stood yet aloof?
+  The chief were those who, from the pit of Hell
+Roaming to seek their prey on Earth, durst fix
+Their seats, long after, next the seat of God,
+Their altars by his altar, gods adored
+Among the nations round, and durst abide
+Jehovah thundering out of Sion, throned
+Between the Cherubim; yea, often placed
+Within his sanctuary itself their shrines,
+Abominations; and with cursed things
+His holy rites and solemn feasts profaned,
+And with their darkness durst affront his light.
+First, Moloch, horrid king, besmeared with blood
+Of human sacrifice, and parents' tears;
+Though, for the noise of drums and timbrels loud,
+Their children's cries unheard that passed through fire
+To his grim idol. Him the Ammonite
+Worshiped in Rabba and her watery plain,
+In Argob and in Basan, to the stream
+Of utmost Arnon. Nor content with such
+Audacious neighbourhood, the wisest heart
+Of Solomon he led by fraoud to build
+His temple right against the temple of God
+On that opprobrious hill, and made his grove
+The pleasant valley of Hinnom, Tophet thence
+And black Gehenna called, the type of Hell.
+Next Chemos, th' obscene dread of Moab's sons,
+From Aroar to Nebo and the wild
+Of southmost Abarim; in Hesebon
+And Horonaim, Seon's real, beyond
+The flowery dale of Sibma clad with vines,
+And Eleale to th' Asphaltic Pool:
+Peor his other name, when he enticed
+Israel in Sittim, on their march from Nile,
+To do him wanton rites, which cost them woe.
+Yet thence his lustful orgies he enlarged
+Even to that hill of scandal, by the grove
+Of Moloch homicide, lust hard by hate,
+Till good Josiah drove them thence to Hell.
+With these came they who, from the bordering flood
+Of old Euphrates to the brook that parts
+Egypt from Syrian ground, had general names
+Of Baalim and Ashtaroth--those male,
+These feminine. For Spirits, when they please,
+Can either sex assume, or both; so soft
+And uncompounded is their essence pure,
+Not tried or manacled with joint or limb,
+Nor founded on the brittle strength of bones,
+Like cumbrous flesh; but, in what shape they choose,
+Dilated or condensed, bright or obscure,
+Can execute their airy purposes,
+And works of love or enmity fulfil.
+For those the race of Israel oft forsook
+Their Living Strength, and unfrequented left
+His righteous altar, bowing lowly down
+To bestial gods; for which their heads as low
+Bowed down in battle, sunk before the spear
+Of despicable foes. With these in troop
+Came Astoreth, whom the Phoenicians called
+Astarte, queen of heaven, with crescent horns;
+To whose bright image nigntly by the moon
+Sidonian virgins paid their vows and songs;
+In Sion also not unsung, where stood
+Her temple on th' offensive mountain, built
+By that uxorious king whose heart, though large,
+Beguiled by fair idolatresses, fell
+To idols foul. Thammuz came next behind,
+Whose annual wound in Lebanon allured
+The Syrian damsels to lament his fate
+In amorous ditties all a summer's day,
+While smooth Adonis from his native rock
+Ran purple to the sea, supposed with blood
+Of Thammuz yearly wounded: the love-tale
+Infected Sion's daughters with like heat,
+Whose wanton passions in the sacred proch
+Ezekiel saw, when, by the vision led,
+His eye surveyed the dark idolatries
+Of alienated Judah. Next came one
+Who mourned in earnest, when the captive ark
+Maimed his brute image, head and hands lopt off,
+In his own temple, on the grunsel-edge,
+Where he fell flat and shamed his worshippers:
+Dagon his name, sea-monster,upward man
+And downward fish; yet had his temple high
+Reared in Azotus, dreaded through the coast
+Of Palestine, in Gath and Ascalon,
+And Accaron and Gaza's frontier bounds.
+Him followed Rimmon, whose delightful seat
+Was fair Damascus, on the fertile banks
+Of Abbana and Pharphar, lucid streams.
+He also against the house of God was bold:
+A leper once he lost, and gained a king--
+Ahaz, his sottish conqueror, whom he drew
+God's altar to disparage and displace
+For one of Syrian mode, whereon to burn
+His odious offerings, and adore the gods
+Whom he had vanquished. After these appeared
+A crew who, under names of old renown--
+Osiris, Isis, Orus, and their train--
+With monstrous shapes and sorceries abused
+Fanatic Egypt and her priests to seek
+Their wandering gods disguised in brutish forms
+Rather than human. Nor did Israel scape
+Th' infection, when their borrowed gold composed
+The calf in Oreb; and the rebel king
+Doubled that sin in Bethel and in Dan,
+Likening his Maker to the grazed ox--
+Jehovah, who, in one night, when he passed
+From Egypt marching, equalled with one stroke
+Both her first-born and all her bleating gods.
+Belial came last; than whom a Spirit more lewd
+Fell not from Heaven, or more gross to love
+Vice for itself. To him no temple stood
+Or altar smoked; yet who more oft than he
+In temples and at altars, when the priest
+Turns atheist, as did Eli's sons, who filled
+With lust and violence the house of God?
+In courts and palaces he also reigns,
+And in luxurious cities, where the noise
+Of riot ascends above their loftiest towers,
+And injury and outrage; and, when night
+Darkens the streets, then wander forth the sons
+Of Belial, flown with insolence and wine.
+Witness the streets of Sodom, and that night
+In Gibeah, when the hospitable door
+Exposed a matron, to avoid worse rape.
+  These were the prime in order and in might:
+The rest were long to tell; though far renowned
+Th' Ionian gods--of Javan's issue held
+Gods, yet confessed later than Heaven and Earth,
+Their boasted parents;--Titan, Heaven's first-born,
+With his enormous brood, and birthright seized
+By younger Saturn: he from mightier Jove,
+His own and Rhea's son, like measure found;
+So Jove usurping reigned. These, first in Crete
+And Ida known, thence on the snowy top
+Of cold Olympus ruled the middle air,
+Their highest heaven; or on the Delphian cliff,
+Or in Dodona, and through all the bounds
+Of Doric land; or who with Saturn old
+Fled over Adria to th' Hesperian fields,
+And o'er the Celtic roamed the utmost Isles.
+  All these and more came flocking; but with looks
+Downcast and damp; yet such wherein appeared
+Obscure some glimpse of joy to have found their Chief
+Not in despair, to have found themselves not lost
+In loss itself; which on his countenance cast
+Like doubtful hue. But he, his wonted pride
+Soon recollecting, with high words, that bore
+Semblance of worth, not substance, gently raised
+Their fainting courage, and dispelled their fears.
+Then straight commands that, at the warlike sound
+Of trumpets loud and clarions, be upreared
+His mighty standard. That proud honour claimed
+Azazel as his right, a Cherub tall:
+Who forthwith from the glittering staff unfurled
+Th' imperial ensign; which, full high advanced,
+Shone like a meteor streaming to the wind,
+With gems and golden lustre rich emblazed,
+Seraphic arms and trophies; all the while
+Sonorous metal blowing martial sounds:
+At which the universal host up-sent
+A shout that tore Hell's concave, and beyond
+Frighted the reign of Chaos and old Night.
+All in a moment through the gloom were seen
+Ten thousand banners rise into the air,
+With orient colours waving: with them rose
+A forest huge of spears; and thronging helms
+Appeared, and serried shields in thick array
+Of depth immeasurable. Anon they move
+In perfect phalanx to the Dorian mood
+Of flutes and soft recorders--such as raised
+To height of noblest temper heroes old
+Arming to battle, and instead of rage
+Deliberate valour breathed, firm, and unmoved
+With dread of death to flight or foul retreat;
+Nor wanting power to mitigate and swage
+With solemn touches troubled thoughts, and chase
+Anguish and doubt and fear and sorrow and pain
+From mortal or immortal minds. Thus they,
+Breathing united force with fixed thought,
+Moved on in silence to soft pipes that charmed
+Their painful steps o'er the burnt soil. And now
+Advanced in view they stand--a horrid front
+Of dreadful length and dazzling arms, in guise
+Of warriors old, with ordered spear and shield,
+Awaiting what command their mighty Chief
+Had to impose. He through the armed files
+Darts his experienced eye, and soon traverse
+The whole battalion views--their order due,
+Their visages and stature as of gods;
+Their number last he sums. And now his heart
+Distends with pride, and, hardening in his strength,
+Glories: for never, since created Man,
+Met such embodied force as, named with these,
+Could merit more than that small infantry
+Warred on by cranes--though all the giant brood
+Of Phlegra with th' heroic race were joined
+That fought at Thebes and Ilium, on each side
+Mixed with auxiliar gods; and what resounds
+In fable or romance of Uther's son,
+Begirt with British and Armoric knights;
+And all who since, baptized or infidel,
+Jousted in Aspramont, or Montalban,
+Damasco, or Marocco, or Trebisond,
+Or whom Biserta sent from Afric shore
+When Charlemain with all his peerage fell
+By Fontarabbia. Thus far these beyond
+Compare of mortal prowess, yet observed
+Their dread Commander. He, above the rest
+In shape and gesture proudly eminent,
+Stood like a tower. His form had yet not lost
+All her original brightness, nor appeared
+Less than Archangel ruined, and th' excess
+Of glory obscured: as when the sun new-risen
+Looks through the horizontal misty air
+Shorn of his beams, or, from behind the moon,
+In dim eclipse, disastrous twilight sheds
+On half the nations, and with fear of change
+Perplexes monarchs. Darkened so, yet shone
+Above them all th' Archangel: but his face
+Deep scars of thunder had intrenched, and care
+Sat on his faded cheek, but under brows
+Of dauntless courage, and considerate pride
+Waiting revenge. Cruel his eye, but cast
+Signs of remorse and passion, to behold
+The fellows of his crime, the followers rather
+(Far other once beheld in bliss), condemned
+For ever now to have their lot in pain--
+Millions of Spirits for his fault amerced
+Of Heaven, and from eteranl splendours flung
+For his revolt--yet faithful how they stood,
+Their glory withered; as, when heaven's fire
+Hath scathed the forest oaks or mountain pines,
+With singed top their stately growth, though bare,
+Stands on the blasted heath. He now prepared
+To speak; whereat their doubled ranks they bend
+From wing to wing, and half enclose him round
+With all his peers: attention held them mute.
+Thrice he assayed, and thrice, in spite of scorn,
+Tears, such as Angels weep, burst forth: at last
+Words interwove with sighs found out their way:--
+  "O myriads of immortal Spirits! O Powers
+Matchless, but with th' Almighth!--and that strife
+Was not inglorious, though th' event was dire,
+As this place testifies, and this dire change,
+Hateful to utter. But what power of mind,
+Forseeing or presaging, from the depth
+Of knowledge past or present, could have feared
+How such united force of gods, how such
+As stood like these, could ever know repulse?
+For who can yet believe, though after loss,
+That all these puissant legions, whose exile
+Hath emptied Heaven, shall fail to re-ascend,
+Self-raised, and repossess their native seat?
+For me, be witness all the host of Heaven,
+If counsels different, or danger shunned
+By me, have lost our hopes. But he who reigns
+Monarch in Heaven till then as one secure
+Sat on his throne, upheld by old repute,
+Consent or custom, and his regal state
+Put forth at full, but still his strength concealed--
+Which tempted our attempt, and wrought our fall.
+Henceforth his might we know, and know our own,
+So as not either to provoke, or dread
+New war provoked: our better part remains
+To work in close design, by fraud or guile,
+What force effected not; that he no less
+At length from us may find, who overcomes
+By force hath overcome but half his foe.
+Space may produce new Worlds; whereof so rife
+There went a fame in Heaven that he ere long
+Intended to create, and therein plant
+A generation whom his choice regard
+Should favour equal to the Sons of Heaven.
+Thither, if but to pry, shall be perhaps
+Our first eruption--thither, or elsewhere;
+For this infernal pit shall never hold
+Celestial Spirits in bondage, nor th' Abyss
+Long under darkness cover. But these thoughts
+Full counsel must mature. Peace is despaired;
+For who can think submission? War, then, war
+Open or understood, must be resolved."
+  He spake; and, to confirm his words, outflew
+Millions of flaming swords, drawn from the thighs
+Of mighty Cherubim; the sudden blaze
+Far round illumined Hell. Highly they raged
+Against the Highest, and fierce with grasped arms
+Clashed on their sounding shields the din of war,
+Hurling defiance toward the vault of Heaven.
+  There stood a hill not far, whose grisly top
+Belched fire and rolling smoke; the rest entire
+Shone with a glossy scurf--undoubted sign
+That in his womb was hid metallic ore,
+The work of sulphur. Thither, winged with speed,
+A numerous brigade hastened: as when bands
+Of pioneers, with spade and pickaxe armed,
+Forerun the royal camp, to trench a field,
+Or cast a rampart. Mammon led them on--
+Mammon, the least erected Spirit that fell
+From Heaven; for even in Heaven his looks and thoughts
+Were always downward bent, admiring more
+The riches of heaven's pavement, trodden gold,
+Than aught divine or holy else enjoyed
+In vision beatific. By him first
+Men also, and by his suggestion taught,
+Ransacked the centre, and with impious hands
+Rifled the bowels of their mother Earth
+For treasures better hid. Soon had his crew
+Opened into the hill a spacious wound,
+And digged out ribs of gold. Let none admire
+That riches grow in Hell; that soil may best
+Deserve the precious bane. And here let those
+Who boast in mortal things, and wondering tell
+Of Babel, and the works of Memphian kings,
+Learn how their greatest monuments of fame
+And strength, and art, are easily outdone
+By Spirits reprobate, and in an hour
+What in an age they, with incessant toil
+And hands innumerable, scarce perform.
+Nigh on the plain, in many cells prepared,
+That underneath had veins of liquid fire
+Sluiced from the lake, a second multitude
+With wondrous art founded the massy ore,
+Severing each kind, and scummed the bullion-dross.
+A third as soon had formed within the ground
+A various mould, and from the boiling cells
+By strange conveyance filled each hollow nook;
+As in an organ, from one blast of wind,
+To many a row of pipes the sound-board breathes.
+Anon out of the earth a fabric huge
+Rose like an exhalation, with the sound
+Of dulcet symphonies and voices sweet--
+Built like a temple, where pilasters round
+Were set, and Doric pillars overlaid
+With golden architrave; nor did there want
+Cornice or frieze, with bossy sculptures graven;
+The roof was fretted gold. Not Babylon
+Nor great Alcairo such magnificence
+Equalled in all their glories, to enshrine
+Belus or Serapis their gods, or seat
+Their kings, when Egypt with Assyria strove
+In wealth and luxury. Th' ascending pile
+Stood fixed her stately height, and straight the doors,
+Opening their brazen folds, discover, wide
+Within, her ample spaces o'er the smooth
+And level pavement: from the arched roof,
+Pendent by subtle magic, many a row
+Of starry lamps and blazing cressets, fed
+With naptha and asphaltus, yielded light
+As from a sky. The hasty multitude
+Admiring entered; and the work some praise,
+And some the architect. His hand was known
+In Heaven by many a towered structure high,
+Where sceptred Angels held their residence,
+And sat as Princes, whom the supreme King
+Exalted to such power, and gave to rule,
+Each in his Hierarchy, the Orders bright.
+Nor was his name unheard or unadored
+In ancient Greece; and in Ausonian land
+Men called him Mulciber; and how he fell
+From Heaven they fabled, thrown by angry Jove
+Sheer o'er the crystal battlements: from morn
+To noon he fell, from noon to dewy eve,
+A summer's day, and with the setting sun
+Dropt from the zenith, like a falling star,
+On Lemnos, th' Aegaean isle. Thus they relate,
+Erring; for he with this rebellious rout
+Fell long before; nor aught aviled him now
+To have built in Heaven high towers; nor did he scape
+By all his engines, but was headlong sent,
+With his industrious crew, to build in Hell.
+  Meanwhile the winged Heralds, by command
+Of sovereign power, with awful ceremony
+And trumpet's sound, throughout the host proclaim
+A solemn council forthwith to be held
+At Pandemonium, the high capital
+Of Satan and his peers. Their summons called
+From every band and squared regiment
+By place or choice the worthiest: they anon
+With hundreds and with thousands trooping came
+Attended. All access was thronged; the gates
+And porches wide, but chief the spacious hall
+(Though like a covered field, where champions bold
+Wont ride in armed, and at the Soldan's chair
+Defied the best of Paynim chivalry
+To mortal combat, or career with lance),
+Thick swarmed, both on the ground and in the air,
+Brushed with the hiss of rustling wings. As bees
+In spring-time, when the Sun with Taurus rides.
+Pour forth their populous youth about the hive
+In clusters; they among fresh dews and flowers
+Fly to and fro, or on the smoothed plank,
+The suburb of their straw-built citadel,
+New rubbed with balm, expatiate, and confer
+Their state-affairs: so thick the airy crowd
+Swarmed and were straitened; till, the signal given,
+Behold a wonder! They but now who seemed
+In bigness to surpass Earth's giant sons,
+Now less than smallest dwarfs, in narrow room
+Throng numberless--like that pygmean race
+Beyond the Indian mount; or faery elves,
+Whose midnight revels, by a forest-side
+Or fountain, some belated peasant sees,
+Or dreams he sees, while overhead the Moon
+Sits arbitress, and nearer to the Earth
+Wheels her pale course: they, on their mirth and dance
+Intent, with jocund music charm his ear;
+At once with joy and fear his heart rebounds.
+Thus incorporeal Spirits to smallest forms
+Reduced their shapes immense, and were at large,
+Though without number still, amidst the hall
+Of that infernal court. But far within,
+And in their own dimensions like themselves,
+The great Seraphic Lords and Cherubim
+In close recess and secret conclave sat,
+A thousand demi-gods on golden seats,
+Frequent and full. After short silence then,
+And summons read, the great consult began.
+
+
+
+Book II
+
+
+High on a throne of royal state, which far
+Outshone the wealth or Ormus and of Ind,
+Or where the gorgeous East with richest hand
+Showers on her kings barbaric pearl and gold,
+Satan exalted sat, by merit raised
+To that bad eminence; and, from despair
+Thus high uplifted beyond hope, aspires
+Beyond thus high, insatiate to pursue
+Vain war with Heaven; and, by success untaught,
+His proud imaginations thus displayed:--
+  "Powers and Dominions, Deities of Heaven!--
+For, since no deep within her gulf can hold
+Immortal vigour, though oppressed and fallen,
+I give not Heaven for lost: from this descent
+Celestial Virtues rising will appear
+More glorious and more dread than from no fall,
+And trust themselves to fear no second fate!--
+Me though just right, and the fixed laws of Heaven,
+Did first create your leader--next, free choice
+With what besides in council or in fight
+Hath been achieved of merit--yet this loss,
+Thus far at least recovered, hath much more
+Established in a safe, unenvied throne,
+Yielded with full consent. The happier state
+In Heaven, which follows dignity, might draw
+Envy from each inferior; but who here
+Will envy whom the highest place exposes
+Foremost to stand against the Thunderer's aim
+Your bulwark, and condemns to greatest share
+Of endless pain? Where there is, then, no good
+For which to strive, no strife can grow up there
+From faction: for none sure will claim in Hell
+Precedence; none whose portion is so small
+Of present pain that with ambitious mind
+Will covet more! With this advantage, then,
+To union, and firm faith, and firm accord,
+More than can be in Heaven, we now return
+To claim our just inheritance of old,
+Surer to prosper than prosperity
+Could have assured us; and by what best way,
+Whether of open war or covert guile,
+We now debate. Who can advise may speak."
+  He ceased; and next him Moloch, sceptred king,
+Stood up--the strongest and the fiercest Spirit
+That fought in Heaven, now fiercer by despair.
+His trust was with th' Eternal to be deemed
+Equal in strength, and rather than be less
+Cared not to be at all; with that care lost
+Went all his fear: of God, or Hell, or worse,
+He recked not, and these words thereafter spake:--
+  "My sentence is for open war. Of wiles,
+More unexpert, I boast not: them let those
+Contrive who need, or when they need; not now.
+For, while they sit contriving, shall the rest--
+Millions that stand in arms, and longing wait
+The signal to ascend--sit lingering here,
+Heaven's fugitives, and for their dwelling-place
+Accept this dark opprobrious den of shame,
+The prison of his ryranny who reigns
+By our delay? No! let us rather choose,
+Armed with Hell-flames and fury, all at once
+O'er Heaven's high towers to force resistless way,
+Turning our tortures into horrid arms
+Against the Torturer; when, to meet the noise
+Of his almighty engine, he shall hear
+Infernal thunder, and, for lightning, see
+Black fire and horror shot with equal rage
+Among his Angels, and his throne itself
+Mixed with Tartarean sulphur and strange fire,
+His own invented torments. But perhaps
+The way seems difficult, and steep to scale
+With upright wing against a higher foe!
+Let such bethink them, if the sleepy drench
+Of that forgetful lake benumb not still,
+That in our porper motion we ascend
+Up to our native seat; descent and fall
+To us is adverse. Who but felt of late,
+When the fierce foe hung on our broken rear
+Insulting, and pursued us through the Deep,
+With what compulsion and laborious flight
+We sunk thus low? Th' ascent is easy, then;
+Th' event is feared! Should we again provoke
+Our stronger, some worse way his wrath may find
+To our destruction, if there be in Hell
+Fear to be worse destroyed! What can be worse
+Than to dwell here, driven out from bliss, condemned
+In this abhorred deep to utter woe!
+Where pain of unextinguishable fire
+Must exercise us without hope of end
+The vassals of his anger, when the scourge
+Inexorably, and the torturing hour,
+Calls us to penance? More destroyed than thus,
+We should be quite abolished, and expire.
+What fear we then? what doubt we to incense
+His utmost ire? which, to the height enraged,
+Will either quite consume us, and reduce
+To nothing this essential--happier far
+Than miserable to have eternal being!--
+Or, if our substance be indeed divine,
+And cannot cease to be, we are at worst
+On this side nothing; and by proof we feel
+Our power sufficient to disturb his Heaven,
+And with perpetual inroads to alarm,
+Though inaccessible, his fatal throne:
+Which, if not victory, is yet revenge."
+  He ended frowning, and his look denounced
+Desperate revenge, and battle dangerous
+To less than gods. On th' other side up rose
+Belial, in act more graceful and humane.
+A fairer person lost not Heaven; he seemed
+For dignity composed, and high exploit.
+But all was false and hollow; though his tongue
+Dropped manna, and could make the worse appear
+The better reason, to perplex and dash
+Maturest counsels: for his thoughts were low--
+ To vice industrious, but to nobler deeds
+Timorous and slothful. Yet he pleased the ear,
+And with persuasive accent thus began:--
+  "I should be much for open war, O Peers,
+As not behind in hate, if what was urged
+Main reason to persuade immediate war
+Did not dissuade me most, and seem to cast
+Ominous conjecture on the whole success;
+When he who most excels in fact of arms,
+In what he counsels and in what excels
+Mistrustful, grounds his courage on despair
+And utter dissolution, as the scope
+Of all his aim, after some dire revenge.
+First, what revenge? The towers of Heaven are filled
+With armed watch, that render all access
+Impregnable: oft on the bodering Deep
+Encamp their legions, or with obscure wing
+Scout far and wide into the realm of Night,
+Scorning surprise. Or, could we break our way
+By force, and at our heels all Hell should rise
+With blackest insurrection to confound
+Heaven's purest light, yet our great Enemy,
+All incorruptible, would on his throne
+Sit unpolluted, and th' ethereal mould,
+Incapable of stain, would soon expel
+Her mischief, and purge off the baser fire,
+Victorious. Thus repulsed, our final hope
+Is flat despair: we must exasperate
+Th' Almighty Victor to spend all his rage;
+And that must end us; that must be our cure--
+To be no more. Sad cure! for who would lose,
+Though full of pain, this intellectual being,
+Those thoughts that wander through eternity,
+To perish rather, swallowed up and lost
+In the wide womb of uncreated Night,
+Devoid of sense and motion? And who knows,
+Let this be good, whether our angry Foe
+Can give it, or will ever? How he can
+Is doubtful; that he never will is sure.
+Will he, so wise, let loose at once his ire,
+Belike through impotence or unaware,
+To give his enemies their wish, and end
+Them in his anger whom his anger saves
+To punish endless? 'Wherefore cease we, then?'
+Say they who counsel war; 'we are decreed,
+Reserved, and destined to eternal woe;
+Whatever doing, what can we suffer more,
+What can we suffer worse?' Is this, then, worst--
+Thus sitting, thus consulting, thus in arms?
+What when we fled amain, pursued and struck
+With Heaven's afflicting thunder, and besought
+The Deep to shelter us? This Hell then seemed
+A refuge from those wounds. Or when we lay
+Chained on the burning lake? That sure was worse.
+What if the breath that kindled those grim fires,
+Awaked, should blow them into sevenfold rage,
+And plunge us in the flames; or from above
+Should intermitted vengeance arm again
+His red right hand to plague us? What if all
+Her stores were opened, and this firmament
+Of Hell should spout her cataracts of fire,
+Impendent horrors, threatening hideous fall
+One day upon our heads; while we perhaps,
+Designing or exhorting glorious war,
+Caught in a fiery tempest, shall be hurled,
+Each on his rock transfixed, the sport and prey
+Or racking whirlwinds, or for ever sunk
+Under yon boiling ocean, wrapt in chains,
+There to converse with everlasting groans,
+Unrespited, unpitied, unreprieved,
+Ages of hopeless end? This would be worse.
+War, therefore, open or concealed, alike
+My voice dissuades; for what can force or guile
+With him, or who deceive his mind, whose eye
+Views all things at one view? He from Heaven's height
+All these our motions vain sees and derides,
+Not more almighty to resist our might
+Than wise to frustrate all our plots and wiles.
+Shall we, then, live thus vile--the race of Heaven
+Thus trampled, thus expelled, to suffer here
+Chains and these torments? Better these than worse,
+By my advice; since fate inevitable
+Subdues us, and omnipotent decree,
+The Victor's will. To suffer, as to do,
+Our strength is equal; nor the law unjust
+That so ordains. This was at first resolved,
+If we were wise, against so great a foe
+Contending, and so doubtful what might fall.
+I laugh when those who at the spear are bold
+And venturous, if that fail them, shrink, and fear
+What yet they know must follow--to endure
+Exile, or igominy, or bonds, or pain,
+The sentence of their Conqueror. This is now
+Our doom; which if we can sustain and bear,
+Our Supreme Foe in time may much remit
+His anger, and perhaps, thus far removed,
+Not mind us not offending, satisfied
+With what is punished; whence these raging fires
+Will slacken, if his breath stir not their flames.
+Our purer essence then will overcome
+Their noxious vapour; or, inured, not feel;
+Or, changed at length, and to the place conformed
+In temper and in nature, will receive
+Familiar the fierce heat; and, void of pain,
+This horror will grow mild, this darkness light;
+Besides what hope the never-ending flight
+Of future days may bring, what chance, what change
+Worth waiting--since our present lot appears
+For happy though but ill, for ill not worst,
+If we procure not to ourselves more woe."
+  Thus Belial, with words clothed in reason's garb,
+Counselled ignoble ease and peaceful sloth,
+Not peace; and after him thus Mammon spake:--
+  "Either to disenthrone the King of Heaven
+We war, if war be best, or to regain
+Our own right lost. Him to unthrone we then
+May hope, when everlasting Fate shall yield
+To fickle Chance, and Chaos judge the strife.
+The former, vain to hope, argues as vain
+The latter; for what place can be for us
+Within Heaven's bound, unless Heaven's Lord supreme
+We overpower? Suppose he should relent
+And publish grace to all, on promise made
+Of new subjection; with what eyes could we
+Stand in his presence humble, and receive
+Strict laws imposed, to celebrate his throne
+With warbled hyms, and to his Godhead sing
+Forced hallelujahs, while he lordly sits
+Our envied sovereign, and his altar breathes
+Ambrosial odours and ambrosial flowers,
+Our servile offerings? This must be our task
+In Heaven, this our delight. How wearisome
+Eternity so spent in worship paid
+To whom we hate! Let us not then pursue,
+By force impossible, by leave obtained
+Unacceptable, though in Heaven, our state
+Of splendid vassalage; but rather seek
+Our own good from ourselves, and from our own
+Live to ourselves, though in this vast recess,
+Free and to none accountable, preferring
+Hard liberty before the easy yoke
+Of servile pomp. Our greatness will appear
+Then most conspicuous when great things of small,
+Useful of hurtful, prosperous of adverse,
+We can create, and in what place soe'er
+Thrive under evil, and work ease out of pain
+Through labour and endurance. This deep world
+Of darkness do we dread? How oft amidst
+Thick clouds and dark doth Heaven's all-ruling Sire
+Choose to reside, his glory unobscured,
+And with the majesty of darkness round
+Covers his throne, from whence deep thunders roar.
+Mustering their rage, and Heaven resembles Hell!
+As he our darkness, cannot we his light
+Imitate when we please? This desert soil
+Wants not her hidden lustre, gems and gold;
+Nor want we skill or art from whence to raise
+Magnificence; and what can Heaven show more?
+Our torments also may, in length of time,
+Become our elements, these piercing fires
+As soft as now severe, our temper changed
+Into their temper; which must needs remove
+The sensible of pain. All things invite
+To peaceful counsels, and the settled state
+Of order, how in safety best we may
+Compose our present evils, with regard
+Of what we are and where, dismissing quite
+All thoughts of war. Ye have what I advise."
+  He scarce had finished, when such murmur filled
+Th' assembly as when hollow rocks retain
+The sound of blustering winds, which all night long
+Had roused the sea, now with hoarse cadence lull
+Seafaring men o'erwatched, whose bark by chance
+Or pinnace, anchors in a craggy bay
+After the tempest. Such applause was heard
+As Mammon ended, and his sentence pleased,
+Advising peace: for such another field
+They dreaded worse than Hell; so much the fear
+Of thunder and the sword of Michael
+Wrought still within them; and no less desire
+To found this nether empire, which might rise,
+By policy and long process of time,
+In emulation opposite to Heaven.
+Which when Beelzebub perceived--than whom,
+Satan except, none higher sat--with grave
+Aspect he rose, and in his rising seemed
+A pillar of state. Deep on his front engraven
+Deliberation sat, and public care;
+And princely counsel in his face yet shone,
+Majestic, though in ruin. Sage he stood
+With Atlantean shoulders, fit to bear
+The weight of mightiest monarchies; his look
+Drew audience and attention still as night
+Or summer's noontide air, while thus he spake:--
+  "Thrones and Imperial Powers, Offspring of Heaven,
+Ethereal Virtues! or these titles now
+Must we renounce, and, changing style, be called
+Princes of Hell? for so the popular vote
+Inclines--here to continue, and build up here
+A growing empire; doubtless! while we dream,
+And know not that the King of Heaven hath doomed
+This place our dungeon, not our safe retreat
+Beyond his potent arm, to live exempt
+From Heaven's high jurisdiction, in new league
+Banded against his throne, but to remain
+In strictest bondage, though thus far removed,
+Under th' inevitable curb, reserved
+His captive multitude. For he, to be sure,
+In height or depth, still first and last will reign
+Sole king, and of his kingdom lose no part
+By our revolt, but over Hell extend
+His empire, and with iron sceptre rule
+Us here, as with his golden those in Heaven.
+What sit we then projecting peace and war?
+War hath determined us and foiled with loss
+Irreparable; terms of peace yet none
+Vouchsafed or sought; for what peace will be given
+To us enslaved, but custody severe,
+And stripes and arbitrary punishment
+Inflicted? and what peace can we return,
+But, to our power, hostility and hate,
+Untamed reluctance, and revenge, though slow,
+Yet ever plotting how the Conqueror least
+May reap his conquest, and may least rejoice
+In doing what we most in suffering feel?
+Nor will occasion want, nor shall we need
+With dangerous expedition to invade
+Heaven, whose high walls fear no assault or siege,
+Or ambush from the Deep. What if we find
+Some easier enterprise? There is a place
+(If ancient and prophetic fame in Heaven
+Err not)--another World, the happy seat
+Of some new race, called Man, about this time
+To be created like to us, though less
+In power and excellence, but favoured more
+Of him who rules above; so was his will
+Pronounced among the Gods, and by an oath
+That shook Heaven's whole circumference confirmed.
+Thither let us bend all our thoughts, to learn
+What creatures there inhabit, of what mould
+Or substance, how endued, and what their power
+And where their weakness: how attempted best,
+By force of subtlety. Though Heaven be shut,
+And Heaven's high Arbitrator sit secure
+In his own strength, this place may lie exposed,
+The utmost border of his kingdom, left
+To their defence who hold it: here, perhaps,
+Some advantageous act may be achieved
+By sudden onset--either with Hell-fire
+To waste his whole creation, or possess
+All as our own, and drive, as we were driven,
+The puny habitants; or, if not drive,
+Seduce them to our party, that their God
+May prove their foe, and with repenting hand
+Abolish his own works. This would surpass
+Common revenge, and interrupt his joy
+In our confusion, and our joy upraise
+In his disturbance; when his darling sons,
+Hurled headlong to partake with us, shall curse
+Their frail original, and faded bliss--
+Faded so soon! Advise if this be worth
+Attempting, or to sit in darkness here
+Hatching vain empires." Thus beelzebub
+Pleaded his devilish counsel--first devised
+By Satan, and in part proposed: for whence,
+But from the author of all ill, could spring
+So deep a malice, to confound the race
+Of mankind in one root, and Earth with Hell
+To mingle and involve, done all to spite
+The great Creator? But their spite still serves
+His glory to augment. The bold design
+Pleased highly those infernal States, and joy
+Sparkled in all their eyes: with full assent
+They vote: whereat his speech he thus renews:--
+"Well have ye judged, well ended long debate,
+Synod of Gods, and, like to what ye are,
+Great things resolved, which from the lowest deep
+Will once more lift us up, in spite of fate,
+Nearer our ancient seat--perhaps in view
+Of those bright confines, whence, with neighbouring arms,
+And opportune excursion, we may chance
+Re-enter Heaven; or else in some mild zone
+Dwell, not unvisited of Heaven's fair light,
+Secure, and at the brightening orient beam
+Purge off this gloom: the soft delicious air,
+To heal the scar of these corrosive fires,
+Shall breathe her balm. But, first, whom shall we send
+In search of this new World? whom shall we find
+Sufficient? who shall tempt with wandering feet
+The dark, unbottomed, infinite Abyss,
+And through the palpable obscure find out
+His uncouth way, or spread his airy flight,
+Upborne with indefatigable wings
+Over the vast abrupt, ere he arrive
+The happy Isle? What strength, what art, can then
+Suffice, or what evasion bear him safe,
+Through the strict senteries and stations thick
+Of Angels watching round? Here he had need
+All circumspection: and we now no less
+Choice in our suffrage; for on whom we send
+The weight of all, and our last hope, relies."
+  This said, he sat; and expectation held
+His look suspense, awaiting who appeared
+To second, or oppose, or undertake
+The perilous attempt. But all sat mute,
+Pondering the danger with deep thoughts; and each
+In other's countenance read his own dismay,
+Astonished. None among the choice and prime
+Of those Heaven-warring champions could be found
+So hardy as to proffer or accept,
+Alone, the dreadful voyage; till, at last,
+Satan, whom now transcendent glory raised
+Above his fellows, with monarchal pride
+Conscious of highest worth, unmoved thus spake:--
+  "O Progeny of Heaven! Empyreal Thrones!
+With reason hath deep silence and demur
+Seized us, though undismayed. Long is the way
+And hard, that out of Hell leads up to light.
+Our prison strong, this huge convex of fire,
+Outrageous to devour, immures us round
+Ninefold; and gates of burning adamant,
+Barred over us, prohibit all egress.
+These passed, if any pass, the void profound
+Of unessential Night receives him next,
+Wide-gaping, and with utter loss of being
+Threatens him, plunged in that abortive gulf.
+If thence he scape, into whatever world,
+Or unknown region, what remains him less
+Than unknown dangers, and as hard escape?
+But I should ill become this throne, O Peers,
+And this imperial sovereignty, adorned
+With splendour, armed with power, if aught proposed
+And judged of public moment in the shape
+Of difficulty or danger, could deter
+Me from attempting. Wherefore do I assume
+These royalties, and not refuse to reign,
+Refusing to accept as great a share
+Of hazard as of honour, due alike
+To him who reigns, and so much to him due
+Of hazard more as he above the rest
+High honoured sits? Go, therefore, mighty Powers,
+Terror of Heaven, though fallen; intend at home,
+While here shall be our home, what best may ease
+The present misery, and render Hell
+More tolerable; if there be cure or charm
+To respite, or deceive, or slack the pain
+Of this ill mansion: intermit no watch
+Against a wakeful foe, while I abroad
+Through all the coasts of dark destruction seek
+Deliverance for us all. This enterprise
+None shall partake with me." Thus saying, rose
+The Monarch, and prevented all reply;
+Prudent lest, from his resolution raised,
+Others among the chief might offer now,
+Certain to be refused, what erst they feared,
+And, so refused, might in opinion stand
+His rivals, winning cheap the high repute
+Which he through hazard huge must earn. But they
+Dreaded not more th' adventure than his voice
+Forbidding; and at once with him they rose.
+Their rising all at once was as the sound
+Of thunder heard remote. Towards him they bend
+With awful reverence prone, and as a God
+Extol him equal to the Highest in Heaven.
+Nor failed they to express how much they praised
+That for the general safety he despised
+His own: for neither do the Spirits damned
+Lose all their virtue; lest bad men should boast
+Their specious deeds on earth, which glory excites,
+Or close ambition varnished o'er with zeal.
+  Thus they their doubtful consultations dark
+Ended, rejoicing in their matchless Chief:
+As, when from mountain-tops the dusky clouds
+Ascending, while the north wind sleeps, o'erspread
+Heaven's cheerful face, the louring element
+Scowls o'er the darkened landscape snow or shower,
+If chance the radiant sun, with farewell sweet,
+Extend his evening beam, the fields revive,
+The birds their notes renew, and bleating herds
+Attest their joy, that hill and valley rings.
+O shame to men! Devil with devil damned
+Firm concord holds; men only disagree
+Of creatures rational, though under hope
+Of heavenly grace, and, God proclaiming peace,
+Yet live in hatred, enmity, and strife
+Among themselves, and levy cruel wars
+Wasting the earth, each other to destroy:
+As if (which might induce us to accord)
+Man had not hellish foes enow besides,
+That day and night for his destruction wait!
+  The Stygian council thus dissolved; and forth
+In order came the grand infernal Peers:
+Midst came their mighty Paramount, and seemed
+Alone th' antagonist of Heaven, nor less
+Than Hell's dread Emperor, with pomp supreme,
+And god-like imitated state: him round
+A globe of fiery Seraphim enclosed
+With bright emblazonry, and horrent arms.
+Then of their session ended they bid cry
+With trumpet's regal sound the great result:
+Toward the four winds four speedy Cherubim
+Put to their mouths the sounding alchemy,
+By herald's voice explained; the hollow Abyss
+Heard far adn wide, and all the host of Hell
+With deafening shout returned them loud acclaim.
+Thence more at ease their minds, and somewhat raised
+By false presumptuous hope, the ranged Powers
+Disband; and, wandering, each his several way
+Pursues, as inclination or sad choice
+Leads him perplexed, where he may likeliest find
+Truce to his restless thoughts, and entertain
+The irksome hours, till his great Chief return.
+Part on the plain, or in the air sublime,
+Upon the wing or in swift race contend,
+As at th' Olympian games or Pythian fields;
+Part curb their fiery steeds, or shun the goal
+With rapid wheels, or fronted brigades form:
+As when, to warn proud cities, war appears
+Waged in the troubled sky, and armies rush
+To battle in the clouds; before each van
+Prick forth the airy knights, and couch their spears,
+Till thickest legions close; with feats of arms
+From either end of heaven the welkin burns.
+Others, with vast Typhoean rage, more fell,
+Rend up both rocks and hills, and ride the air
+In whirlwind; Hell scarce holds the wild uproar:--
+As when Alcides, from Oechalia crowned
+With conquest, felt th' envenomed robe, and tore
+Through pain up by the roots Thessalian pines,
+And Lichas from the top of Oeta threw
+Into th' Euboic sea. Others, more mild,
+Retreated in a silent valley, sing
+With notes angelical to many a harp
+Their own heroic deeds, and hapless fall
+By doom of battle, and complain that Fate
+Free Virtue should enthrall to Force or Chance.
+Their song was partial; but the harmony
+(What could it less when Spirits immortal sing?)
+Suspended Hell, and took with ravishment
+The thronging audience. In discourse more sweet
+(For Eloquence the Soul, Song charms the Sense)
+Others apart sat on a hill retired,
+In thoughts more elevate, and reasoned high
+Of Providence, Foreknowledge, Will, and Fate--
+Fixed fate, free will, foreknowledge absolute,
+And found no end, in wandering mazes lost.
+Of good and evil much they argued then,
+Of happiness and final misery,
+Passion and apathy, and glory and shame:
+Vain wisdom all, and false philosophy!--
+Yet, with a pleasing sorcery, could charm
+Pain for a while or anguish, and excite
+Fallacious hope, or arm th' obdured breast
+With stubborn patience as with triple steel.
+Another part, in squadrons and gross bands,
+On bold adventure to discover wide
+That dismal world, if any clime perhaps
+Might yield them easier habitation, bend
+Four ways their flying march, along the banks
+Of four infernal rivers, that disgorge
+Into the burning lake their baleful streams--
+Abhorred Styx, the flood of deadly hate;
+Sad Acheron of sorrow, black and deep;
+Cocytus, named of lamentation loud
+Heard on the rueful stream; fierce Phlegeton,
+Whose waves of torrent fire inflame with rage.
+Far off from these, a slow and silent stream,
+Lethe, the river of oblivion, rolls
+Her watery labyrinth, whereof who drinks
+Forthwith his former state and being forgets--
+Forgets both joy and grief, pleasure and pain.
+Beyond this flood a frozen continent
+Lies dark and wild, beat with perpetual storms
+Of whirlwind and dire hail, which on firm land
+Thaws not, but gathers heap, and ruin seems
+Of ancient pile; all else deep snow and ice,
+A gulf profound as that Serbonian bog
+Betwixt Damiata and Mount Casius old,
+Where armies whole have sunk: the parching air
+Burns frore, and cold performs th' effect of fire.
+Thither, by harpy-footed Furies haled,
+At certain revolutions all the damned
+Are brought; and feel by turns the bitter change
+Of fierce extremes, extremes by change more fierce,
+From beds of raging fire to starve in ice
+Their soft ethereal warmth, and there to pine
+Immovable, infixed, and frozen round
+Periods of time,--thence hurried back to fire.
+They ferry over this Lethean sound
+Both to and fro, their sorrow to augment,
+And wish and struggle, as they pass, to reach
+The tempting stream, with one small drop to lose
+In sweet forgetfulness all pain and woe,
+All in one moment, and so near the brink;
+But Fate withstands, and, to oppose th' attempt,
+Medusa with Gorgonian terror guards
+The ford, and of itself the water flies
+All taste of living wight, as once it fled
+The lip of Tantalus. Thus roving on
+In confused march forlorn, th' adventurous bands,
+With shuddering horror pale, and eyes aghast,
+Viewed first their lamentable lot, and found
+No rest. Through many a dark and dreary vale
+They passed, and many a region dolorous,
+O'er many a frozen, many a fiery alp,
+Rocks, caves, lakes, fens, bogs, dens, and shades of death--
+A universe of death, which God by curse
+Created evil, for evil only good;
+Where all life dies, death lives, and Nature breeds,
+Perverse, all monstrous, all prodigious things,
+Obominable, inutterable, and worse
+Than fables yet have feigned or fear conceived,
+Gorgons, and Hydras, and Chimeras dire.
+  Meanwhile the Adversary of God and Man,
+Satan, with thoughts inflamed of highest design,
+Puts on swift wings, and toward the gates of Hell
+Explores his solitary flight: sometimes
+He scours the right hand coast, sometimes the left;
+Now shaves with level wing the deep, then soars
+Up to the fiery concave towering high.
+As when far off at sea a fleet descried
+Hangs in the clouds, by equinoctial winds
+Close sailing from Bengala, or the isles
+Of Ternate and Tidore, whence merchants bring
+Their spicy drugs; they on the trading flood,
+Through the wide Ethiopian to the Cape,
+Ply stemming nightly toward the pole: so seemed
+Far off the flying Fiend. At last appear
+Hell-bounds, high reaching to the horrid roof,
+And thrice threefold the gates; three folds were brass,
+Three iron, three of adamantine rock,
+Impenetrable, impaled with circling fire,
+Yet unconsumed. Before the gates there sat
+On either side a formidable Shape.
+The one seemed woman to the waist, and fair,
+But ended foul in many a scaly fold,
+Voluminous and vast--a serpent armed
+With mortal sting. About her middle round
+A cry of Hell-hounds never-ceasing barked
+With wide Cerberean mouths full loud, and rung
+A hideous peal; yet, when they list, would creep,
+If aught disturbed their noise, into her womb,
+And kennel there; yet there still barked and howled
+Within unseen. Far less abhorred than these
+Vexed Scylla, bathing in the sea that parts
+Calabria from the hoarse Trinacrian shore;
+Nor uglier follow the night-hag, when, called
+In secret, riding through the air she comes,
+Lured with the smell of infant blood, to dance
+With Lapland witches, while the labouring moon
+Eclipses at their charms. The other Shape--
+If shape it might be called that shape had none
+Distinguishable in member, joint, or limb;
+Or substance might be called that shadow seemed,
+For each seemed either--black it stood as Night,
+Fierce as ten Furies, terrible as Hell,
+And shook a dreadful dart: what seemed his head
+The likeness of a kingly crown had on.
+Satan was now at hand, and from his seat
+The monster moving onward came as fast
+With horrid strides; Hell trembled as he strode.
+Th' undaunted Fiend what this might be admired--
+Admired, not feared (God and his Son except,
+Created thing naught valued he nor shunned),
+And with disdainful look thus first began:--
+  "Whence and what art thou, execrable Shape,
+That dar'st, though grim and terrible, advance
+Thy miscreated front athwart my way
+To yonder gates? Through them I mean to pass,
+That be assured, without leave asked of thee.
+Retire; or taste thy folly, and learn by proof,
+Hell-born, not to contend with Spirits of Heaven."
+  To whom the Goblin, full of wrath, replied:--
+"Art thou that traitor Angel? art thou he,
+Who first broke peace in Heaven and faith, till then
+Unbroken, and in proud rebellious arms
+Drew after him the third part of Heaven's sons,
+Conjured against the Highest--for which both thou
+And they, outcast from God, are here condemned
+To waste eternal days in woe and pain?
+And reckon'st thou thyself with Spirits of Heaven
+Hell-doomed, and breath'st defiance here and scorn,
+Where I reign king, and, to enrage thee more,
+Thy king and lord? Back to thy punishment,
+False fugitive; and to thy speed add wings,
+Lest with a whip of scorpions I pursue
+Thy lingering, or with one stroke of this dart
+Strange horror seize thee, and pangs unfelt before."
+  So spake the grisly Terror, and in shape,
+So speaking and so threatening, grew tenfold,
+More dreadful and deform. On th' other side,
+Incensed with indignation, Satan stood
+Unterrified, and like a comet burned,
+That fires the length of Ophiuchus huge
+In th' arctic sky, and from his horrid hair
+Shakes pestilence and war. Each at the head
+Levelled his deadly aim; their fatal hands
+No second stroke intend; and such a frown
+Each cast at th' other as when two black clouds,
+With heaven's artillery fraught, came rattling on
+Over the Caspian,--then stand front to front
+Hovering a space, till winds the signal blow
+To join their dark encounter in mid-air.
+So frowned the mighty combatants that Hell
+Grew darker at their frown; so matched they stood;
+For never but once more was wither like
+To meet so great a foe. And now great deeds
+Had been achieved, whereof all Hell had rung,
+Had not the snaky Sorceress, that sat
+Fast by Hell-gate and kept the fatal key,
+Risen, and with hideous outcry rushed between.
+  "O father, what intends thy hand," she cried,
+"Against thy only son? What fury, O son,
+Possesses thee to bend that mortal dart
+Against thy father's head? And know'st for whom?
+For him who sits above, and laughs the while
+At thee, ordained his drudge to execute
+Whate'er his wrath, which he calls justice, bids--
+His wrath, which one day will destroy ye both!"
+  She spake, and at her words the hellish Pest
+Forbore: then these to her Satan returned:--
+  "So strange thy outcry, and thy words so strange
+Thou interposest, that my sudden hand,
+Prevented, spares to tell thee yet by deeds
+What it intends, till first I know of thee
+What thing thou art, thus double-formed, and why,
+In this infernal vale first met, thou call'st
+Me father, and that phantasm call'st my son.
+I know thee not, nor ever saw till now
+Sight more detestable than him and thee."
+  T' whom thus the Portress of Hell-gate replied:--
+"Hast thou forgot me, then; and do I seem
+Now in thine eye so foul?--once deemed so fair
+In Heaven, when at th' assembly, and in sight
+Of all the Seraphim with thee combined
+In bold conspiracy against Heaven's King,
+All on a sudden miserable pain
+Surprised thee, dim thine eyes and dizzy swum
+In darkness, while thy head flames thick and fast
+Threw forth, till on the left side opening wide,
+Likest to thee in shape and countenance bright,
+Then shining heavenly fair, a goddess armed,
+Out of thy head I sprung. Amazement seized
+All th' host of Heaven; back they recoiled afraid
+At first, and called me Sin, and for a sign
+Portentous held me; but, familiar grown,
+I pleased, and with attractive graces won
+The most averse--thee chiefly, who, full oft
+Thyself in me thy perfect image viewing,
+Becam'st enamoured; and such joy thou took'st
+With me in secret that my womb conceived
+A growing burden. Meanwhile war arose,
+And fields were fought in Heaven: wherein remained
+(For what could else?) to our Almighty Foe
+Clear victory; to our part loss and rout
+Through all the Empyrean. Down they fell,
+Driven headlong from the pitch of Heaven, down
+Into this Deep; and in the general fall
+I also: at which time this powerful key
+Into my hands was given, with charge to keep
+These gates for ever shut, which none can pass
+Without my opening. Pensive here I sat
+Alone; but long I sat not, till my womb,
+Pregnant by thee, and now excessive grown,
+Prodigious motion felt and rueful throes.
+At last this odious offspring whom thou seest,
+Thine own begotten, breaking violent way,
+Tore through my entrails, that, with fear and pain
+Distorted, all my nether shape thus grew
+Transformed: but he my inbred enemy
+Forth issued, brandishing his fatal dart,
+Made to destroy. I fled, and cried out Death!
+Hell trembled at the hideous name, and sighed
+From all her caves, and back resounded Death!
+I fled; but he pursued (though more, it seems,
+Inflamed with lust than rage), and, swifter far,
+Me overtook, his mother, all dismayed,
+And, in embraces forcible and foul
+Engendering with me, of that rape begot
+These yelling monsters, that with ceaseless cry
+Surround me, as thou saw'st--hourly conceived
+And hourly born, with sorrow infinite
+To me; for, when they list, into the womb
+That bred them they return, and howl, and gnaw
+My bowels, their repast; then, bursting forth
+Afresh, with conscious terrors vex me round,
+That rest or intermission none I find.
+Before mine eyes in opposition sits
+Grim Death, my son and foe, who set them on,
+And me, his parent, would full soon devour
+For want of other prey, but that he knows
+His end with mine involved, and knows that I
+Should prove a bitter morsel, and his bane,
+Whenever that shall be: so Fate pronounced.
+But thou, O father, I forewarn thee, shun
+His deadly arrow; neither vainly hope
+To be invulnerable in those bright arms,
+Through tempered heavenly; for that mortal dint,
+Save he who reigns above, none can resist."
+  She finished; and the subtle Fiend his lore
+Soon learned, now milder, and thus answered smooth:--
+  "Dear daughter--since thou claim'st me for thy sire,
+And my fair son here show'st me, the dear pledge
+Of dalliance had with thee in Heaven, and joys
+Then sweet, now sad to mention, through dire change
+Befallen us unforeseen, unthought-of--know,
+I come no enemy, but to set free
+From out this dark and dismal house of pain
+Both him and thee, and all the heavenly host
+Of Spirits that, in our just pretences armed,
+Fell with us from on high. From them I go
+This uncouth errand sole, and one for all
+Myself expose, with lonely steps to tread
+Th' unfounded Deep, and through the void immense
+To search, with wandering quest, a place foretold
+Should be--and, by concurring signs, ere now
+Created vast and round--a place of bliss
+In the purlieus of Heaven; and therein placed
+A race of upstart creatures, to supply
+Perhaps our vacant room, though more removed,
+Lest Heaven, surcharged with potent multitude,
+Might hap to move new broils. Be this, or aught
+Than this more secret, now designed, I haste
+To know; and, this once known, shall soon return,
+And bring ye to the place where thou and Death
+Shall dwell at ease, and up and down unseen
+Wing silently the buxom air, embalmed
+With odours. There ye shall be fed and filled
+Immeasurably; all things shall be your prey."
+  He ceased; for both seemed highly pleased, and Death
+Grinned horrible a ghastly smile, to hear
+His famine should be filled, and blessed his maw
+Destined to that good hour. No less rejoiced
+His mother bad, and thus bespake her sire:--
+  "The key of this infernal Pit, by due
+And by command of Heaven's all-powerful King,
+I keep, by him forbidden to unlock
+These adamantine gates; against all force
+Death ready stands to interpose his dart,
+Fearless to be o'ermatched by living might.
+But what owe I to his commands above,
+Who hates me, and hath hither thrust me down
+Into this gloom of Tartarus profound,
+To sit in hateful office here confined,
+Inhabitant of Heaven and heavenly born--
+Here in perpetual agony and pain,
+With terrors and with clamours compassed round
+Of mine own brood, that on my bowels feed?
+Thou art my father, thou my author, thou
+My being gav'st me; whom should I obey
+But thee? whom follow? Thou wilt bring me soon
+To that new world of light and bliss, among
+The gods who live at ease, where I shall reign
+At thy right hand voluptuous, as beseems
+Thy daughter and thy darling, without end."
+  Thus saying, from her side the fatal key,
+Sad instrument of all our woe, she took;
+And, towards the gate rolling her bestial train,
+Forthwith the huge portcullis high up-drew,
+Which, but herself, not all the Stygian Powers
+Could once have moved; then in the key-hole turns
+Th' intricate wards, and every bolt and bar
+Of massy iron or solid rock with ease
+Unfastens. On a sudden open fly,
+With impetuous recoil and jarring sound,
+Th' infernal doors, and on their hinges grate
+Harsh thunder, that the lowest bottom shook
+Of Erebus. She opened; but to shut
+Excelled her power: the gates wide open stood,
+That with extended wings a bannered host,
+Under spread ensigns marching, mibht pass through
+With horse and chariots ranked in loose array;
+So wide they stood, and like a furnace-mouth
+Cast forth redounding smoke and ruddy flame.
+Before their eyes in sudden view appear
+The secrets of the hoary Deep--a dark
+Illimitable ocean, without bound,
+Without dimension; where length, breadth, and height,
+And time, and place, are lost; where eldest Night
+And Chaos, ancestors of Nature, hold
+Eternal anarchy, amidst the noise
+Of endless wars, and by confusion stand.
+For Hot, Cold, Moist, and Dry, four champions fierce,
+Strive here for mastery, and to battle bring
+Their embryon atoms: they around the flag
+Of each his faction, in their several clans,
+Light-armed or heavy, sharp, smooth, swift, or slow,
+Swarm populous, unnumbered as the sands
+Of Barca or Cyrene's torrid soil,
+Levied to side with warring winds, and poise
+Their lighter wings. To whom these most adhere
+He rules a moment: Chaos umpire sits,
+And by decision more embroils the fray
+By which he reigns: next him, high arbiter,
+Chance governs all. Into this wild Abyss,
+The womb of Nature, and perhaps her grave,
+Of neither sea, nor shore, nor air, nor fire,
+But all these in their pregnant causes mixed
+Confusedly, and which thus must ever fight,
+Unless th' Almighty Maker them ordain
+His dark materials to create more worlds--
+Into this wild Abyss the wary Fiend
+Stood on the brink of Hell and looked a while,
+Pondering his voyage; for no narrow frith
+He had to cross. Nor was his ear less pealed
+With noises loud and ruinous (to compare
+Great things with small) than when Bellona storms
+With all her battering engines, bent to rase
+Some capital city; or less than if this frame
+Of Heaven were falling, and these elements
+In mutiny had from her axle torn
+The steadfast Earth. At last his sail-broad vans
+He spread for flight, and, in the surging smoke
+Uplifted, spurns the ground; thence many a league,
+As in a cloudy chair, ascending rides
+Audacious; but, that seat soon failing, meets
+A vast vacuity. All unawares,
+Fluttering his pennons vain, plumb-down he drops
+Ten thousand fathom deep, and to this hour
+Down had been falling, had not, by ill chance,
+The strong rebuff of some tumultuous cloud,
+Instinct with fire and nitre, hurried him
+As many miles aloft. That fury stayed--
+Quenched in a boggy Syrtis, neither sea,
+Nor good dry land--nigh foundered, on he fares,
+Treading the crude consistence, half on foot,
+Half flying; behoves him now both oar and sail.
+As when a gryphon through the wilderness
+With winged course, o'er hill or moory dale,
+Pursues the Arimaspian, who by stealth
+Had from his wakeful custody purloined
+The guarded gold; so eagerly the Fiend
+O'er bog or steep, through strait, rough, dense, or rare,
+With head, hands, wings, or feet, pursues his way,
+And swims, or sinks, or wades, or creeps, or flies.
+At length a universal hubbub wild
+Of stunning sounds, and voices all confused,
+Borne through the hollow dark, assaults his ear
+With loudest vehemence. Thither he plies
+Undaunted, to meet there whatever Power
+Or Spirit of the nethermost Abyss
+Might in that noise reside, of whom to ask
+Which way the nearest coast of darkness lies
+Bordering on light; when straight behold the throne
+Of Chaos, and his dark pavilion spread
+Wide on the wasteful Deep! With him enthroned
+Sat sable-vested Night, eldest of things,
+The consort of his reign; and by them stood
+Orcus and Ades, and the dreaded name
+Of Demogorgon; Rumour next, and Chance,
+And Tumult, and Confusion, all embroiled,
+And Discord with a thousand various mouths.
+  T' whom Satan, turning boldly, thus:--"Ye Powers
+And Spirtis of this nethermost Abyss,
+Chaos and ancient Night, I come no spy
+With purpose to explore or to disturb
+The secrets of your realm; but, by constraint
+Wandering this darksome desert, as my way
+Lies through your spacious empire up to light,
+Alone and without guide, half lost, I seek,
+What readiest path leads where your gloomy bounds
+Confine with Heaven; or, if some other place,
+From your dominion won, th' Ethereal King
+Possesses lately, thither to arrive
+I travel this profound. Direct my course:
+Directed, no mean recompense it brings
+To your behoof, if I that region lost,
+All usurpation thence expelled, reduce
+To her original darkness and your sway
+(Which is my present journey), and once more
+Erect the standard there of ancient Night.
+Yours be th' advantage all, mine the revenge!"
+  Thus Satan; and him thus the Anarch old,
+With faltering speech and visage incomposed,
+Answered:  "I know thee, stranger, who thou art--  ***
+That mighty leading Angel, who of late
+Made head against Heaven's King, though overthrown.
+I saw and heard; for such a numerous host
+Fled not in silence through the frighted Deep,
+With ruin upon ruin, rout on rout,
+Confusion worse confounded; and Heaven-gates
+Poured out by millions her victorious bands,
+Pursuing. I upon my frontiers here
+Keep residence; if all I can will serve
+That little which is left so to defend,
+Encroached on still through our intestine broils
+Weakening the sceptre of old Night: first, Hell,
+Your dungeon, stretching far and wide beneath;
+Now lately Heaven and Earth, another world
+Hung o'er my realm, linked in a golden chain
+To that side Heaven from whence your legions fell!
+If that way be your walk, you have not far;
+So much the nearer danger. Go, and speed;
+Havoc, and spoil, and ruin, are my gain."
+  He ceased; and Satan stayed not to reply,
+But, glad that now his sea should find a shore,
+With fresh alacrity and force renewed
+Springs upward, like a pyramid of fire,
+Into the wild expanse, and through the shock
+Of fighting elements, on all sides round
+Environed, wins his way; harder beset
+And more endangered than when Argo passed
+Through Bosporus betwixt the justling rocks,
+Or when Ulysses on the larboard shunned
+Charybdis, and by th' other whirlpool steered.
+So he with difficulty and labour hard
+Moved on, with difficulty and labour he;
+But, he once passed, soon after, when Man fell,
+Strange alteration! Sin and Death amain,
+Following his track (such was the will of Heaven)
+Paved after him a broad and beaten way
+Over the dark Abyss, whose boiling gulf
+Tamely endured a bridge of wondrous length,
+From Hell continued, reaching th' utmost orb
+Of this frail World; by which the Spirits perverse
+With easy intercourse pass to and fro
+To tempt or punish mortals, except whom
+God and good Angels guard by special grace.
+  But now at last the sacred influence
+Of light appears, and from the walls of Heaven
+Shoots far into the bosom of dim Night
+A glimmering dawn. Here Nature first begins
+Her farthest verge, and Chaos to retire,
+As from her outmost works, a broken foe,
+With tumult less and with less hostile din;
+That Satan with less toil, and now with ease,
+Wafts on the calmer wave by dubious light,
+And, like a weather-beaten vessel, holds
+Gladly the port, though shrouds and tackle torn;
+Or in the emptier waste, resembling air,
+Weighs his spread wings, at leisure to behold
+Far off th' empyreal Heaven, extended wide
+In circuit, undetermined square or round,
+With opal towers and battlements adorned
+Of living sapphire, once his native seat;
+And, fast by, hanging in a golden chain,
+This pendent World, in bigness as a star
+Of smallest magnitude close by the moon.
+Thither, full fraught with mischievous revenge,
+Accursed, and in a cursed hour, he hies.
+
+
+
+Book III
+
+
+Hail, holy Light, offspring of Heaven firstborn,
+Or of the Eternal coeternal beam
+May I express thee unblam'd?  since God is light,
+And never but in unapproached light
+Dwelt from eternity, dwelt then in thee
+Bright effluence of bright essence increate.
+Or hear"st thou rather pure ethereal stream,
+Whose fountain who shall tell?  before the sun,
+Before the Heavens thou wert, and at the voice
+Of God, as with a mantle, didst invest  ***
+The rising world of waters dark and deep,
+Won from the void and formless infinite.
+Thee I re-visit now with bolder wing,
+Escap'd the Stygian pool, though long detain'd
+In that obscure sojourn, while in my flight
+Through utter and through middle darkness borne,
+With other notes than to the Orphean lyre
+I sung of Chaos and eternal Night;
+Taught by the heavenly Muse to venture down
+The dark descent, and up to re-ascend,
+Though hard and rare:  Thee I revisit safe,
+And feel thy sovran vital lamp; but thou
+Revisit'st not these eyes, that roll in vain
+To find thy piercing ray, and find no dawn;
+So  thick a drop serene hath quench'd their orbs,
+Or dim suffusion veil'd.  Yet not the more
+Cease I to wander, where the Muses haunt,
+Clear spring, or shady grove, or sunny hill,
+Smit with the love of sacred song; but chief
+Thee, Sion, and the flowery brooks beneath,
+That wash thy hallow'd feet, and warbling flow,
+Nightly I visit:  nor sometimes forget
+So were I equall'd with them in renown,
+Thy sovran command, that Man should find grace;
+Blind Thamyris, and blind Maeonides,
+And Tiresias, and Phineus, prophets old:
+Then feed on thoughts, that voluntary move
+Harmonious numbers; as the wakeful bird
+Sings darkling, and in shadiest covert hid
+Tunes her nocturnal note.  Thus with the year
+Seasons return; but not to me returns
+Day, or the sweet approach of even or morn,
+Or sight of vernal bloom, or summer's rose,
+Or flocks, or herds, or human face divine;
+But cloud instead, and ever-during dark
+Surrounds me, from the cheerful ways of men
+Cut off, and for the book of knowledge fair
+Presented with a universal blank
+Of nature's works to me expung'd and ras'd,
+And wisdom at one entrance quite shut out.
+So much the rather thou, celestial Light,
+Shine inward, and the mind through all her powers
+Irradiate; there plant eyes, all mist from thence
+Purge and disperse, that I may see and tell
+Of things invisible to mortal sight.
+Now had the Almighty Father from above,
+From the pure empyrean where he sits
+High thron'd above all highth, bent down his eye
+His own works and their works at once to view:
+About him all the Sanctities of Heaven
+Stood thick as stars, and from his sight receiv'd
+Beatitude past utterance; on his right
+The radiant image of his glory sat,
+His only son; on earth he first beheld
+Our two first parents, yet the only two
+Of mankind in the happy garden plac'd
+Reaping immortal fruits of joy and love,
+Uninterrupted joy, unrivall'd love,
+In blissful solitude; he then survey'd
+Hell and the gulf between, and Satan there
+Coasting the wall of Heaven on this side Night
+In the dun air sublime, and ready now
+To stoop with wearied wings, and willing feet,
+On the bare outside of this world, that seem'd
+Firm land imbosom'd, without firmament,
+Uncertain which, in ocean or in air.
+Him God beholding from his prospect high,
+Wherein past, present, future, he beholds,
+Thus to his only Son foreseeing spake.
+Only begotten Son, seest thou what rage
+Transports our Adversary?  whom no bounds
+Prescrib'd no bars of Hell, nor all the chains
+Heap'd on him there, nor yet the main abyss
+Wide interrupt, can hold; so bent he seems
+On desperate revenge, that shall redound
+Upon his own rebellious head.  And now,
+Through all restraint broke loose, he wings his way
+Not far off Heaven, in the precincts of light,
+Directly towards the new created world,
+And man there plac'd, with purpose to assay
+If him by force he can destroy, or, worse,
+By some false guile pervert; and shall pervert;
+For man will hearken to his glozing lies,
+And easily transgress the sole command,
+Sole pledge of his obedience:  So will fall
+He and his faithless progeny:  Whose fault?
+Whose but his own?  ingrate, he had of me
+All he could have; I made him just and right,
+Sufficient to have stood, though free to fall.
+Such I created all the ethereal Powers
+And Spirits, both them who stood, and them who fail'd;
+Freely they stood who stood, and fell who fell.
+Not free, what proof could they have given sincere
+Of true allegiance, constant faith or love,
+Where only what they needs must do appear'd,
+Not what they would?  what praise could they receive?
+What pleasure I from such obedience paid,
+When will and reason (reason also is choice)
+Useless and vain, of freedom both despoil'd,
+Made passive both, had serv'd necessity,
+Not me?  they therefore, as to right belong$ 'd,
+So were created, nor can justly accuse
+Their Maker, or their making, or their fate,
+As if predestination over-rul'd
+Their will dispos'd by absolute decree
+Or high foreknowledge they themselves decreed
+Their own revolt, not I; if I foreknew,
+Foreknowledge had no influence on their fault,
+Which had no less proved certain unforeknown.
+So without least impulse or shadow of fate,
+Or aught by me immutably foreseen,
+They trespass, authors to themselves in all
+Both what they judge, and what they choose; for so
+I form'd them free: and free they must remain,
+Till they enthrall themselves; I else must change
+Their nature, and revoke the high decree
+Unchangeable, eternal, which ordain'd
+$THeir freedom: they themselves ordain'd their fall.
+The first sort by their own suggestion fell,
+Self-tempted, self-deprav'd:  Man falls, deceiv'd
+By the other first:  Man therefore shall find grace,
+The other none:  In mercy and justice both,
+Through Heaven and Earth, so shall my glory excel;
+But Mercy, first and last, shall brightest shine.
+Thus while God spake, ambrosial fragrance fill'd
+All Heaven, and in the blessed Spirits elect
+Sense of new joy ineffable diffus'd.
+Beyond compare the Son of God was seen
+Most glorious; in him all his Father shone
+Substantially express'd; and in his face
+Divine compassion visibly appear'd,
+Love without end, and without measure grace,
+Which uttering, thus he to his Father spake.
+O Father, gracious was that word which clos'd
+Thy sovran command, that Man should find grace;
+, that Man should find grace;
+For which both Heaven and earth shall high extol
+Thy praises, with the innumerable sound
+Of hymns and sacred songs, wherewith thy throne
+Encompass'd shall resound thee ever blest.
+For should Man finally be lost, should Man,
+Thy creature late so lov'd, thy youngest son,
+Fall circumvented thus by fraud, though join'd
+With his own folly?  that be from thee far,
+That far be from thee, Father, who art judge
+Of all things made, and judgest only right.
+Or shall the Adversary thus obtain
+His end, and frustrate thine?  shall he fulfill
+His malice, and thy goodness bring to nought,
+Or proud return, though to his heavier doom,
+Yet with revenge accomplish'd, and to Hell
+Draw after him the whole race of mankind,
+By him corrupted?  or wilt thou thyself
+Abolish thy creation, and unmake
+For him, what for thy glory thou hast made?
+So should thy goodness and thy greatness both
+Be question'd and blasphem'd without defence.
+To whom the great Creator thus replied.
+O son, in whom my soul hath chief delight,
+Son of my bosom, Son who art alone.
+My word, my wisdom, and effectual might,
+All hast thou spoken as my thoughts are, all
+As my eternal purpose hath decreed;
+Man shall not quite be lost, but sav'd who will;
+Yet not of will in him, but grace in me
+Freely vouchsaf'd; once more I will renew
+His lapsed powers, though forfeit; and enthrall'd
+By sin to foul exorbitant desires;
+Upheld by me, yet once more he shall stand
+On even ground against his mortal foe;
+By me upheld, that he may know how frail
+His fallen condition is, and to me owe
+All his deliverance, and to none but me.
+Some I have chosen of peculiar grace,
+Elect above the rest; so is my will:
+The rest shall hear me call, and oft be warn'd
+Their sinful state, and to appease betimes
+The incensed Deity, while offer'd grace
+Invites; for I will clear their senses dark,
+What may suffice, and soften stony hearts
+To pray, repent, and bring obedience due.
+To prayer, repentance, and obedience due,
+Though but endeavour'd with sincere intent,
+Mine ear shall not be slow, mine eye not shut.
+And I will place within them as a guide,
+My umpire Conscience; whom if they will hear,
+Light after light, well us'd, they shall attain,
+And to the end, persisting, safe arrive.
+This my long sufferance, and my day of grace,
+They who neglect and scorn, shall never taste;
+But hard be harden'd, blind be blinded more,
+That they may stumble on, and deeper fall;
+And none but such from mercy I exclude.
+But yet all is not done; Man disobeying,
+Disloyal, breaks his fealty, and sins
+Against the high supremacy of Heaven,
+Affecting God-head, and, so losing all,
+To expiate his treason hath nought left,
+But to destruction sacred and devote,
+He, with his whole posterity, must die,
+Die he or justice must; unless for him
+Some other able, and as willing, pay
+The rigid satisfaction, death for death.
+Say, heavenly Powers, where shall we find such love?
+Which of you will be mortal, to redeem
+Man's mortal crime, and just the unjust to save?
+Dwells in all Heaven charity so dear?
+And silence was in Heaven: $ on Man's behalf
+He ask'd, but all the heavenly quire stood mute,
+Patron or intercessour none appear'd,
+Much less that durst upon his own head draw
+The deadly forfeiture, and ransom set.
+And now without redemption all mankind
+Must have been lost, adjudg'd to Death and Hell
+By doom severe, had not the Son of God,
+In whom the fulness dwells of love divine,
+His dearest mediation thus renew'd.
+Father, thy word is past, Man shall find grace;
+And shall grace not find means, that finds her way,
+The speediest of thy winged messengers,
+To visit all thy creatures, and to all
+Comes unprevented, unimplor'd, unsought?
+Happy for Man, so coming; he her aid
+Can never seek, once dead in sins, and lost;
+Atonement for himself, or offering meet,
+Indebted and undone, hath none to bring;
+Behold me then:  me for him, life for life
+I offer: on me let thine anger fall;
+Account me Man; I for his sake will leave
+ Thy bosom, and this glory next to thee
+ Freely put off, and for him lastly die
+ Well pleased; on me let Death wreak all his rage.
+ Under his gloomy power I shall not long
+ Lie vanquished. Thou hast given me to possess
+ Life in myself for ever; by thee I live;
+ Though now to Death I yield, and am his due,
+ All that of me can die, yet, that debt paid,
+ $ thou wilt not leave me in the loathsome grave
+ His prey, nor suffer my unspotted soul
+ For ever with corruption there to dwell;
+ But I shall rise victorious, and subdue
+ My vanquisher, spoiled of his vaunted spoil.
+ Death his death's wound shall then receive, and stoop
+ Inglorious, of his mortal sting disarmed;
+ I through the ample air in triumph high
+ Shall lead Hell captive maugre Hell, and show
+The powers of darkness bound. Thou, at the sight
+ Pleased, out of Heaven shalt look down and smile,
+ While, by thee raised, I ruin all my foes;
+ Death last, and with his carcase glut the grave;
+ Then, with the multitude of my redeemed,
+ Shall enter Heaven, long absent, and return,
+ Father, to see thy face, wherein no cloud
+ Of anger shall remain, but peace assured
+ And reconcilement: wrath shall be no more
+ Thenceforth, but in thy presence joy entire.
+ His words here ended; but his meek aspect
+ Silent yet spake, and breathed immortal love
+ To mortal men, above which only shone
+ Filial obedience: as a sacrifice
+ Glad to be offered, he attends the will
+ Of his great Father. Admiration seized
+ All Heaven, what this might mean, and whither tend,
+ Wondering; but soon th' Almighty thus replied.
+ O thou in Heaven and Earth the only peace
+ Found out for mankind under wrath, O thou
+ My sole complacence! Well thou know'st how dear
+ To me are all my works; nor Man the least,
+ Though last created, that for him I spare
+ Thee from my bosom and right hand, to save,
+ By losing thee a while, the whole race lost.
+
+     00021053
+ Thou, therefore, whom thou only canst redeem,
+ Their nature also to thy nature join;
+ And be thyself Man among men on Earth,
+ Made flesh, when time shall be, of virgin seed,
+ By wondrous birth; be thou in Adam's room
+The head of all mankind, though Adam's son.
+As in him perish all men, so in thee,
+As from a second root, shall be restored
+As many as are restored, without thee none.
+His crime makes guilty all his sons; thy merit,
+Imputed, shall absolve them who renounce
+Their own both righteous and unrighteous deeds,
+And live in thee transplanted, and from thee
+Receive new life.  So Man, as is most just,
+Shall satisfy for Man, be judged and die,
+And dying rise, and rising with him raise
+His brethren, ransomed with his own dear life.
+So heavenly love shall outdo hellish hate,
+Giving to death, and dying to redeem,
+So dearly to redeem what hellish hate
+So easily destroyed, and still destroys
+In those who, when they may, accept not grace.
+Nor shalt thou, by descending to assume
+Man's nature, lessen or degrade thine own.
+Because thou hast, though throned in highest bliss
+Equal to God, and equally enjoying
+God-like fruition, quitted all, to save
+A world from utter loss, and hast been found
+By merit more than birthright Son of God,
+Found worthiest to be so by being good,
+Far more than great or high; because in thee
+Love hath abounded more than glory abounds;
+Therefore thy humiliation shall exalt
+With thee thy manhood also to this throne:
+Here shalt thou sit incarnate, here shalt reign
+Both God and Man, Son both of God and Man,
+Anointed universal King; all power
+I give thee; reign for ever, and assume
+Thy merits; under thee, as head supreme,
+Thrones, Princedoms, Powers, Dominions, I reduce:
+All knees to thee shall bow, of them that bide
+In Heaven, or Earth, or under Earth in Hell.
+When thou, attended gloriously from Heaven,
+Shalt in the sky appear, and from thee send
+The summoning Arch-Angels to proclaim
+Thy dread tribunal; forthwith from all winds,
+The living, and forthwith the cited dead
+Of all past ages, to the general doom
+Shall hasten; such a peal shall rouse their sleep.
+Then, all thy saints assembled, thou shalt judge
+Bad Men and Angels; they, arraigned, shall sink
+Beneath thy sentence; Hell, her numbers full,
+Thenceforth shall be for ever shut.  Mean while
+The world shall burn, and from her ashes spring
+New Heaven and Earth, wherein the just shall dwell,
+And, after all their tribulations long,
+See golden days, fruitful of golden deeds,
+With joy and peace triumphing, and fair truth.
+Then thou thy regal scepter shalt lay by,
+For regal scepter then no more shall need,
+God shall be all in all.  But, all ye Gods,
+Adore him, who to compass all this dies;
+Adore the Son, and honour him as me.
+No sooner had the Almighty ceased, but all
+The multitude of Angels, with a shout
+Loud as from numbers without number, sweet
+As from blest voices, uttering joy, Heaven rung
+With jubilee, and loud Hosannas filled
+The eternal regions:  Lowly reverent
+Towards either throne they bow, and to the ground
+With solemn adoration down they cast
+Their crowns inwove with amarant and gold;
+Immortal amarant, a flower which once
+In Paradise, fast by the tree of life,
+Began to bloom; but soon for man's offence
+To Heaven removed, where first it grew, there grows,
+And flowers aloft shading the fount of life,
+And where the river of bliss through midst of Heaven
+Rolls o'er Elysian flowers her amber stream;
+With these that never fade the Spirits elect
+Bind their resplendent locks inwreathed with beams;
+Now in loose garlands thick thrown off, the bright
+Pavement, that like a sea of jasper shone,
+Impurpled with celestial roses smiled.
+Then, crowned again, their golden harps they took,
+Harps ever tuned, that glittering by their side
+Like quivers hung, and with preamble sweet
+Of charming symphony they introduce
+Their sacred song, and waken raptures high;
+No voice exempt, no voice but well could join
+Melodious part, such concord is in Heaven.
+Thee, Father, first they sung Omnipotent,
+Immutable, Immortal, Infinite,
+Eternal King; the Author of all being,
+Fonntain of light, thyself invisible
+Amidst the glorious brightness where thou sit'st
+Throned inaccessible, but when thou shadest
+The full blaze of thy beams, and, through a cloud
+Drawn round about thee like a radiant shrine,
+Dark with excessive bright thy skirts appear,
+Yet dazzle Heaven, that brightest Seraphim
+Approach not, but with both wings veil their eyes.
+Thee next they sang of all creation first,
+Begotten Son, Divine Similitude,
+In whose conspicuous countenance, without cloud
+Made visible, the Almighty Father shines,
+Whom else no creature can behold; on thee
+Impressed the effulgence of his glory abides,
+Transfused on thee his ample Spirit rests.
+He Heaven of Heavens and all the Powers therein
+By thee created; and by thee threw down
+The aspiring Dominations:  Thou that day
+Thy Father's dreadful thunder didst not spare,
+Nor stop thy flaming chariot-wheels, that shook
+Heaven's everlasting frame, while o'er the necks
+Thou drovest of warring Angels disarrayed.
+Back from pursuit thy Powers with loud acclaim
+Thee only extolled, Son of thy Father's might,
+To execute fierce vengeance on his foes,
+Not so on Man:  Him through their malice fallen,
+Father of mercy and grace, thou didst not doom
+So strictly, but much more to pity incline:
+No sooner did thy dear and only Son
+Perceive thee purposed not to doom frail Man
+So strictly, but much more to pity inclined,
+He to appease thy wrath, and end the strife
+Of mercy and justice in thy face discerned,
+Regardless of the bliss wherein he sat
+Second to thee, offered himself to die
+For Man's offence.  O unexampled love,
+Love no where to be found less than Divine!
+Hail, Son of God, Saviour of Men!  Thy name
+Shall be the copious matter of my song
+Henceforth, and never shall my heart thy praise
+Forget, nor from thy Father's praise disjoin.
+Thus they in Heaven, above the starry sphere,
+Their happy hours in joy and hymning spent.
+Mean while upon the firm opacous globe
+Of this round world, whose first convex divides
+The luminous inferiour orbs, enclosed
+From Chaos, and the inroad of Darkness old,
+Satan alighted walks:  A globe far off
+It seemed, now seems a boundless continent
+Dark, waste, and wild, under the frown of Night
+Starless exposed, and ever-threatening storms
+Of Chaos blustering round, inclement sky;
+Save on that side which from the wall of Heaven,
+Though distant far, some small reflection gains
+Of glimmering air less vexed with tempest loud:
+Here walked the Fiend at large in spacious field.
+As when a vultur on Imaus bred,
+Whose snowy ridge the roving Tartar bounds,
+Dislodging from a region scarce of prey
+To gorge the flesh of lambs or yeanling kids,
+On hills where flocks are fed, flies toward the springs
+Of Ganges or Hydaspes, Indian streams;
+But in his way lights on the barren plains
+Of Sericana, where Chineses drive
+With sails and wind their cany waggons light:
+So, on this windy sea of land, the Fiend
+Walked up and down alone, bent on his prey;
+Alone, for other creature in this place,
+Living or lifeless, to be found was none;
+None yet, but store hereafter from the earth
+Up hither like aereal vapours flew
+Of all things transitory and vain, when sin
+With vanity had filled the works of men:
+Both all things vain, and all who in vain things
+Built their fond hopes of glory or lasting fame,
+Or happiness in this or the other life;
+All who have their reward on earth, the fruits
+Of painful superstition and blind zeal,
+Nought seeking but the praise of men, here find
+Fit retribution, empty as their deeds;
+All the unaccomplished works of Nature's hand,
+Abortive, monstrous, or unkindly mixed,
+Dissolved on earth, fleet hither, and in vain,
+Till final dissolution, wander here;
+Not in the neighbouring moon as some have dreamed;
+Those argent fields more likely habitants,
+Translated Saints, or middle Spirits hold
+Betwixt the angelical and human kind.
+Hither of ill-joined sons and daughters born
+First from the ancient world those giants came
+With many a vain exploit, though then renowned:
+The builders next of Babel on the plain
+Of Sennaar, and still with vain design,
+New Babels, had they wherewithal, would build:
+Others came single; he, who, to be deemed
+A God, leaped fondly into Aetna flames,
+Empedocles; and he, who, to enjoy
+Plato's Elysium, leaped into the sea,
+Cleombrotus; and many more too long,
+Embryos, and idiots, eremites, and friars
+White, black, and gray, with all their trumpery.
+Here pilgrims roam, that strayed so far to seek
+In Golgotha him dead, who lives in Heaven;
+And they, who to be sure of Paradise,
+Dying, put on the weeds of Dominick,
+Or in Franciscan think to pass disguised;
+They pass the planets seven, and pass the fixed,
+And that crystalling sphere whose balance weighs
+The trepidation talked, and that first moved;
+And now Saint Peter at Heaven's wicket seems
+To wait them with his keys, and now at foot
+Of Heaven's ascent they lift their feet, when lo
+A violent cross wind from either coast
+Blows them transverse, ten thousand leagues awry
+Into the devious air:  Then might ye see
+Cowls, hoods, and habits, with their wearers, tost
+And fluttered into rags; then reliques, beads,
+Indulgences, dispenses, pardons, bulls,
+The sport of winds:  All these, upwhirled aloft,
+Fly o'er the backside of the world far off
+Into a Limbo large and broad, since called
+The Paradise of Fools, to few unknown
+Long after; now unpeopled, and untrod.
+All this dark globe the Fiend found as he passed,
+And long he wandered, till at last a gleam
+Of dawning light turned thither-ward in haste
+His travelled steps: far distant he descries
+Ascending by degrees magnificent
+Up to the wall of Heaven a structure high;
+At top whereof, but far more rich, appeared
+The work as of a kingly palace-gate,
+With frontispiece of diamond and gold
+Embellished; thick with sparkling orient gems
+The portal shone, inimitable on earth
+By model, or by shading pencil, drawn.
+These stairs were such as whereon Jacob saw
+Angels ascending and descending, bands
+Of guardians bright, when he from Esau fled
+To Padan-Aram, in the field of Luz
+Dreaming by night under the open sky
+And waking cried,  This is the gate of Heaven.
+Each stair mysteriously was meant, nor stood
+There always, but drawn up to Heaven sometimes
+Viewless; and underneath a bright sea flowed
+Of jasper, or of liquid pearl, whereon
+Who after came from earth, failing arrived
+Wafted by Angels, or flew o'er the lake
+Rapt in a chariot drawn by fiery steeds.
+The stairs were then let down, whether to dare
+The Fiend by easy ascent, or aggravate
+His sad exclusion from the doors of bliss:
+Direct against which opened from beneath,
+Just o'er the blissful seat of Paradise,
+A passage down to the Earth, a passage wide,
+Wider by far than that of after-times
+Over mount Sion, and, though that were large,
+Over the Promised Land to God so dear;
+By which, to visit oft those happy tribes,
+On high behests his angels to and fro
+Passed frequent, and his eye with choice regard
+From Paneas, the fount of Jordan's flood,
+To Beersaba, where the Holy Land
+Borders on Egypt and the Arabian shore;
+So wide the opening seemed, where bounds were set
+To darkness, such as bound the ocean wave.
+Satan from hence, now on the lower stair,
+That scaled by steps of gold to Heaven-gate,
+Looks down with wonder at the sudden view
+Of all this world at once.  As when a scout,
+Through dark?;nd desart ways with?oeril gone
+All?might,?;t?kast by break of cheerful dawn
+Obtains the brow of some high-climbing hill,
+Which to his eye discovers unaware
+The goodly prospect of some foreign land
+First seen, or some renowned metropolis
+With glistering spires and pinnacles adorned,
+Which now the rising sun gilds with his beams:
+Such wonder seised, though after Heaven seen,
+The Spirit malign, but much more envy seised,
+At sight of all this world beheld so fair.
+Round he surveys (and well might, where he stood
+So high above the circling canopy
+Of night's extended shade,) from eastern point
+Of Libra to the fleecy star that bears
+Andromeda far off Atlantick seas
+Beyond the horizon; then from pole to pole
+He views in breadth, and without longer pause
+Down right into the world's first region throws
+His flight precipitant, and winds with ease
+Through the pure marble air his oblique way
+Amongst innumerable stars, that shone
+Stars distant, but nigh hand seemed other worlds;
+Or other worlds they seemed, or happy isles,
+Like those Hesperian gardens famed of old,
+Fortunate fields, and groves, and flowery vales,
+Thrice happy isles; but who dwelt happy there
+He staid not to inquire:  Above them all
+The golden sun, in splendour likest Heaven,
+Allured his eye; thither his course he bends
+Through the calm firmament, (but up or down,
+By center, or eccentrick, hard to tell,
+Or longitude,) where the great luminary
+Aloof the vulgar constellations thick,
+That from his lordly eye keep distance due,
+Dispenses light from far; they, as they move
+Their starry dance in numbers that compute
+Days, months, and years, towards his all-cheering lamp
+Turn swift their various motions, or are turned
+By his magnetick beam, that gently warms
+The universe, and to each inward part
+With gentle penetration, though unseen,
+Shoots invisible virtue even to the deep;
+So wonderously was set his station bright.
+There lands the Fiend, a spot like which perhaps
+Astronomer in the sun's lucent orb
+Through his glazed optick tube yet never saw.
+The place he found beyond expression bright,
+Compared with aught on earth, metal or stone;
+Not all parts like, but all alike informed
+With radiant light, as glowing iron with fire;
+If metal, part seemed gold, part silver clear;
+If stone, carbuncle most or chrysolite,
+Ruby or topaz, to the twelve that shone
+In Aaron's breast-plate, and a stone besides
+Imagined rather oft than elsewhere seen,
+That stone, or like to that which here below
+Philosophers in vain so long have sought,
+In vain, though by their powerful art they bind
+Volatile Hermes, and call up unbound
+In various shapes old Proteus from the sea,
+Drained through a limbeck to his native form.
+What wonder then if fields and regions here
+Breathe forth Elixir pure, and rivers run
+Potable gold, when with one virtuous touch
+The arch-chemick sun, so far from us remote,
+Produces, with terrestrial humour mixed,
+Here in the dark so many precious things
+Of colour glorious, and effect so rare?
+Here matter new to gaze the Devil met
+Undazzled; far and wide his eye commands;
+For sight no obstacle found here, nor shade,
+But all sun-shine, as when his beams at noon
+Culminate from the equator, as they now
+Shot upward still direct, whence no way round
+Shadow from body opaque can fall; and the air,
+No where so clear, sharpened his visual ray
+To objects distant far, whereby he soon
+Saw within ken a glorious Angel stand,
+The same whom John saw also in the sun:
+His back was turned, but not his brightness hid;
+Of beaming sunny rays a golden tiar
+Circled his head, nor less his locks behind
+Illustrious on his shoulders fledge with wings
+Lay waving round; on some great charge employed
+He seemed, or fixed in cogitation deep.
+Glad was the Spirit impure, as now in hope
+To find who might direct his wandering flight
+To Paradise, the happy seat of Man,
+His journey's end and our beginning woe.
+But first he casts to change his proper shape,
+Which else might work him danger or delay:
+And now a stripling Cherub he appears,
+Not of the prime, yet such as in his face
+Youth smiled celestial, and to every limb
+Suitable grace diffused, so well he feigned:
+Under a coronet his flowing hair
+In curls on either cheek played; wings he wore
+Of many a coloured plume, sprinkled with gold;
+His habit fit for speed succinct, and held
+Before his decent steps a silver wand.
+He drew not nigh unheard; the Angel bright,
+Ere he drew nigh, his radiant visage turned,
+Admonished by his ear, and straight was known
+The Arch-Angel Uriel, one of the seven
+Who in God's presence, nearest to his throne,
+Stand ready at command, and are his eyes
+That run through all the Heavens, or down to the Earth
+Bear his swift errands over moist and dry,
+O'er sea and land: him Satan thus accosts.
+Uriel, for thou of those seven Spirits that stand
+In sight of God's high throne, gloriously bright,
+The first art wont his great authentick will
+Interpreter through highest Heaven to bring,
+Where all his sons thy embassy attend;
+And here art likeliest by supreme decree
+Like honour to obtain, and as his eye
+To visit oft this new creation round;
+Unspeakable desire to see, and know
+All these his wonderous works, but chiefly Man,
+His chief delight and favour, him for whom
+All these his works so wonderous he ordained,
+Hath brought me from the quires of Cherubim
+Alone thus wandering.  Brightest Seraph, tell
+In which of all these shining orbs hath Man
+His fixed seat, or fixed seat hath none,
+But all these shining orbs his choice to dwell;
+That I may find him, and with secret gaze
+Or open admiration him behold,
+On whom the great Creator hath bestowed
+Worlds, and on whom hath all these graces poured;
+That both in him and all things, as is meet,
+The universal Maker we may praise;
+Who justly hath driven out his rebel foes
+To deepest Hell, and, to repair that loss,
+Created this new happy race of Men
+To serve him better:  Wise are all his ways.
+So spake the false dissembler unperceived;
+For neither Man nor Angel can discern
+Hypocrisy, the only evil that walks
+Invisible, except to God alone,
+By his permissive will, through Heaven and Earth:
+And oft, though wisdom wake, suspicion sleeps
+At wisdom's gate, and to simplicity
+Resigns her charge, while goodness thinks no ill
+Where no ill seems:  Which now for once beguiled
+Uriel, though regent of the sun, and held
+The sharpest-sighted Spirit of all in Heaven;
+Who to the fraudulent impostor foul,
+In his uprightness, answer thus returned.
+Fair Angel, thy desire, which tends to know
+The works of God, thereby to glorify
+The great Work-master, leads to no excess
+That reaches blame, but rather merits praise
+The more it seems excess, that led thee hither
+From thy empyreal mansion thus alone,
+To witness with thine eyes what some perhaps,
+Contented with report, hear only in Heaven:
+For wonderful indeed are all his works,
+Pleasant to know, and worthiest to be all
+Had in remembrance always with delight;
+But what created mind can comprehend
+Their number, or the wisdom infinite
+That brought them forth, but hid their causes deep?
+I saw when at his word the formless mass,
+This world's material mould, came to a heap:
+Confusion heard his voice, and wild uproar
+Stood ruled, stood vast infinitude confined;
+Till at his second bidding Darkness fled,
+Light shone, and order from disorder sprung:
+Swift to their several quarters hasted then
+The cumbrous elements, earth, flood, air, fire;
+And this ethereal quintessence of Heaven
+Flew upward, spirited with various forms,
+That rolled orbicular, and turned to stars
+Numberless, as thou seest, and how they move;
+Each had his place appointed, each his course;
+The rest in circuit walls this universe.
+Look downward on that globe, whose hither side
+With light from hence, though but reflected, shines;
+That place is Earth, the seat of Man; that light
+His day, which else, as the other hemisphere,
+Night would invade; but there the neighbouring moon
+So call that opposite fair star) her aid
+Timely interposes, and her monthly round
+Still ending, still renewing, through mid Heaven,
+With borrowed light her countenance triform
+Hence fills and empties to enlighten the Earth,
+And in her pale dominion checks the night.
+That spot, to which I point, is Paradise,
+Adam's abode; those lofty shades, his bower.
+Thy way thou canst not miss, me mine requires.
+Thus said, he turned; and Satan, bowing low,
+As to superiour Spirits is wont in Heaven,
+Where honour due and reverence none neglects,
+Took leave, and toward the coast of earth beneath,
+Down from the ecliptick, sped with hoped success,
+Throws his steep flight in many an aery wheel;
+Nor staid, till on Niphates' top he lights.
+
+
+
+Book IV
+
+
+O, for that warning voice, which he, who saw
+The Apocalypse, heard cry in Heaven aloud,
+Then when the Dragon, put to second rout,
+Came furious down to be revenged on men,
+Woe to the inhabitants on earth! that now,
+While time was, our first parents had been warned
+The coming of their secret foe, and 'scaped,
+Haply so 'scaped his mortal snare:  For now
+Satan, now first inflamed with rage, came down,
+The tempter ere the accuser of mankind,
+To wreak on innocent frail Man his loss
+Of that first battle, and his flight to Hell:
+Yet, not rejoicing in his speed, though bold
+Far off and fearless, nor with cause to boast,
+Begins his dire attempt; which nigh the birth
+Now rolling boils in his tumultuous breast,
+And like a devilish engine back recoils
+Upon himself; horrour and doubt distract
+His troubled thoughts, and from the bottom stir
+The Hell within him; for within him Hell
+He brings, and round about him, nor from Hell
+One step, no more than from himself, can fly
+By change of place:  Now conscience wakes despair,
+That slumbered; wakes the bitter memory
+Of what he was, what is, and what must be
+Worse; of worse deeds worse sufferings must ensue.
+Sometimes towards Eden, which now in his view
+Lay pleasant, his grieved look he fixes sad;
+Sometimes towards Heaven, and the full-blazing sun,
+Which now sat high in his meridian tower:
+Then, much revolving, thus in sighs began.
+O thou, that, with surpassing glory crowned,
+Lookest from thy sole dominion like the God
+Of this new world; at whose sight all the stars
+Hide their diminished heads; to thee I call,
+But with no friendly voice, and add thy name,
+Of Sun! to tell thee how I hate thy beams,
+That bring to my remembrance from what state
+I fell, how glorious once above thy sphere;
+Till pride and worse ambition threw me down
+Warring in Heaven against Heaven's matchless King:
+Ah, wherefore! he deserved no such return
+From me, whom he created what I was
+In that bright eminence, and with his good
+Upbraided none; nor was his service hard.
+What could be less than to afford him praise,
+The easiest recompence, and pay him thanks,
+How due! yet all his good proved ill in me,
+And wrought but malice; lifted up so high
+I sdeined subjection, and thought one step higher
+Would set me highest, and in a moment quit
+The debt immense of endless gratitude,
+So burdensome still paying, still to owe,
+Forgetful what from him I still received,
+And understood not that a grateful mind
+By owing owes not, but still pays, at once
+Indebted and discharged; what burden then
+O, had his powerful destiny ordained
+Me some inferiour Angel, I had stood
+Then happy; no unbounded hope had raised
+Ambition!  Yet why not some other Power
+As great might have aspired, and me, though mean,
+Drawn to his part; but other Powers as great
+Fell not, but stand unshaken, from within
+Or from without, to all temptations armed.
+Hadst thou the same free will and power to stand?
+Thou hadst: whom hast thou then or what to accuse,
+But Heaven's free love dealt equally to all?
+Be then his love accursed, since love or hate,
+To me alike, it deals eternal woe.
+Nay, cursed be thou; since against his thy will
+Chose freely what it now so justly rues.
+Me miserable! which way shall I fly
+Infinite wrath, and infinite despair?
+Which way I fly is Hell; myself am Hell;
+And, in the lowest deep, a lower deep
+Still threatening to devour me opens wide,
+To which the Hell I suffer seems a Heaven.
+O, then, at last relent:  Is there no place
+Left for repentance, none for pardon left?
+None left but by submission; and that word
+Disdain forbids me, and my dread of shame
+Among the Spirits beneath, whom I seduced
+With other promises and other vaunts
+Than to submit, boasting I could subdue
+The Omnipotent.  Ay me! they little know
+How dearly I abide that boast so vain,
+Under what torments inwardly I groan,
+While they adore me on the throne of Hell.
+With diadem and scepter high advanced,
+The lower still I fall, only supreme
+In misery:  Such joy ambition finds.
+But say I could repent, and could obtain,
+By act of grace, my former state; how soon
+Would highth recall high thoughts, how soon unsay
+What feigned submission swore?  Ease would recant
+Vows made in pain, as violent and void.
+For never can true reconcilement grow,
+Where wounds of deadly hate have pierced so deep:
+Which would but lead me to a worse relapse
+And heavier fall:  so should I purchase dear
+Short intermission bought with double smart.
+This knows my Punisher; therefore as far
+From granting he, as I from begging, peace;
+All hope excluded thus, behold, in stead
+Mankind created, and for him this world.
+So farewell, hope; and with hope farewell, fear;
+Farewell, remorse! all good to me is lost;
+Evil, be thou my good; by thee at least
+Divided empire with Heaven's King I hold,
+By thee, and more than half perhaps will reign;
+As Man ere long, and this new world, shall know.
+Thus while he spake, each passion dimmed his face
+Thrice changed with pale, ire, envy, and despair;
+Which marred his borrowed visage, and betrayed
+Him counterfeit, if any eye beheld.
+For heavenly minds from such distempers foul
+Are ever clear.  Whereof he soon aware,
+Each perturbation smoothed with outward calm,
+Artificer of fraud; and was the first
+That practised falsehood under saintly show,
+Deep malice to conceal, couched with revenge:
+Yet not enough had practised to deceive
+Uriel once warned; whose eye pursued him down
+ The way he went, and on the Assyrian mount
+ Saw him disfigured, more than could befall
+ Spirit of happy sort; his gestures fierce
+ He marked and mad demeanour, then alone,
+ As he supposed, all unobserved, unseen.
+ So on he fares, and to the border comes
+ Of Eden, where delicious Paradise,
+ Now nearer, crowns with her enclosure green,
+ As with a rural mound, the champaign head
+ Of a steep wilderness, whose hairy sides
+Access denied; and overhead upgrew
+ Insuperable height of loftiest shade,
+ Cedar, and pine, and fir, and branching palm,
+ A sylvan scene, and, as the ranks ascend,
+ Shade above shade, a woody theatre
+ Of stateliest view. Yet higher than their tops
+ The verdurous wall of Paradise upsprung;
+
+    00081429
+Which to our general sire gave prospect large
+Into his nether empire neighbouring round.
+And higher than that wall a circling row
+Of goodliest trees, loaden with fairest fruit,
+Blossoms and fruits at once of golden hue,
+Appeared, with gay enamelled colours mixed:
+On which the sun more glad impressed his beams
+Than in fair evening cloud, or humid bow,
+When God hath showered the earth; so lovely seemed
+That landskip:  And of pure now purer air
+Meets his approach, and to the heart inspires
+Vernal delight and joy, able to drive
+All sadness but despair:  Now gentle gales,
+Fanning their odoriferous wings, dispense
+Native perfumes, and whisper whence they stole
+Those balmy spoils.  As when to them who fail
+Beyond the Cape of Hope, and now are past
+Mozambick, off at sea north-east winds blow
+Sabean odours from the spicy shore
+Of Araby the blest; with such delay
+Well pleased they slack their course, and many a league
+Cheered with the grateful smell old Ocean smiles:
+So entertained those odorous sweets the Fiend,
+Who came their bane; though with them better pleased
+Than Asmodeus with the fishy fume
+That drove him, though enamoured, from the spouse
+Of Tobit's son, and with a vengeance sent
+From Media post to Egypt, there fast bound.
+Now to the ascent of that steep savage hill
+Satan had journeyed on, pensive and slow;
+But further way found none, so thick entwined,
+As one continued brake, the undergrowth
+Of shrubs and tangling bushes had perplexed
+All path of man or beast that passed that way.
+One gate there only was, and that looked east
+On the other side: which when the arch-felon saw,
+Due entrance he disdained; and, in contempt,
+At one flight bound high over-leaped all bound
+Of hill or highest wall, and sheer within
+Lights on his feet.  As when a prowling wolf,
+Whom hunger drives to seek new haunt for prey,
+Watching where shepherds pen their flocks at eve
+In hurdled cotes amid the field secure,
+Leaps o'er the fence with ease into the fold:
+Or as a thief, bent to unhoard the cash
+Of some rich burgher, whose substantial doors,
+Cross-barred and bolted fast, fear no assault,
+In at the window climbs, or o'er the tiles:
+So clomb this first grand thief into God's fold;
+So since into his church lewd hirelings climb.
+Thence up he flew, and on the tree of life,
+The middle tree and highest there that grew,
+Sat like a cormorant; yet not true life
+Thereby regained, but sat devising death
+To them who lived; nor on the virtue thought
+Of that life-giving plant, but only used
+For prospect, what well used had been the pledge
+Of immortality.  So little knows
+Any, but God alone, to value right
+The good before him, but perverts best things
+To worst abuse, or to their meanest use.
+Beneath him with new wonder now he views,
+To all delight of human sense exposed,
+In narrow room, Nature's whole wealth, yea more,
+A Heaven on Earth:  For blissful Paradise
+Of God the garden was, by him in the east
+Of Eden planted; Eden stretched her line
+From Auran eastward to the royal towers
+Of great Seleucia, built by Grecian kings,
+Of where the sons of Eden long before
+Dwelt in Telassar:  In this pleasant soil
+His far more pleasant garden God ordained;
+Out of the fertile ground he caused to grow
+All trees of noblest kind for sight, smell, taste;
+And all amid them stood the tree of life,
+High eminent, blooming ambrosial fruit
+Of vegetable gold; and next to life,
+Our death, the tree of knowledge, grew fast by,
+Knowledge of good bought dear by knowing ill.
+Southward through Eden went a river large,
+Nor changed his course, but through the shaggy hill
+Passed underneath ingulfed; for God had thrown
+That mountain as his garden-mould high raised
+Upon the rapid current, which, through veins
+Of porous earth with kindly thirst up-drawn,
+Rose a fresh fountain, and with many a rill
+Watered the garden; thence united fell
+Down the steep glade, and met the nether flood,
+Which from his darksome passage now appears,
+And now, divided into four main streams,
+Runs diverse, wandering many a famous realm
+And country, whereof here needs no account;
+But rather to tell how, if Art could tell,
+How from that sapphire fount the crisped brooks,
+Rolling on orient pearl and sands of gold,
+With mazy errour under pendant shades
+Ran nectar, visiting each plant, and fed
+Flowers worthy of Paradise, which not nice Art
+In beds and curious knots, but Nature boon
+Poured forth profuse on hill, and dale, and plain,
+Both where the morning sun first warmly smote
+The open field, and where the unpierced shade
+Imbrowned the noontide bowers:  Thus was this place
+A happy rural seat of various view;
+Groves whose rich trees wept odorous gums and balm,
+Others whose fruit, burnished with golden rind,
+Hung amiable, Hesperian fables true,
+If true, here only, and of delicious taste:
+Betwixt them lawns, or level downs, and flocks
+Grazing the tender herb, were interposed,
+Or palmy hillock; or the flowery lap
+Of some irriguous valley spread her store,
+Flowers of all hue, and without thorn the rose:
+Another side, umbrageous grots and caves
+Of cool recess, o'er which the mantling vine
+Lays forth her purple grape, and gently creeps
+Luxuriant; mean while murmuring waters fall
+Down the slope hills, dispersed, or in a lake,
+That to the fringed bank with myrtle crowned
+Her crystal mirrour holds, unite their streams.
+The birds their quire apply; airs, vernal airs,
+Breathing the smell of field and grove, attune
+The trembling leaves, while universal Pan,
+Knit with the Graces and the Hours in dance,
+Led on the eternal Spring.  Not that fair field
+Of Enna, where Proserpine gathering flowers,
+Herself a fairer flower by gloomy Dis
+Was gathered, which cost Ceres all that pain
+To seek her through the world; nor that sweet grove
+Of Daphne by Orontes, and the inspired
+Castalian spring, might with this Paradise
+Of Eden strive; nor that Nyseian isle
+Girt with the river Triton, where old Cham,
+Whom Gentiles Ammon call and Libyan Jove,
+Hid Amalthea, and her florid son
+Young Bacchus, from his stepdame Rhea's eye;
+Nor where Abassin kings their issue guard,
+Mount Amara, though this by some supposed
+True Paradise under the Ethiop line
+By Nilus' head, enclosed with shining rock,
+A whole day's journey high, but wide remote
+From this Assyrian garden, where the Fiend
+Saw, undelighted, all delight, all kind
+Of living creatures, new to sight, and strange
+Two of far nobler shape, erect and tall,
+Godlike erect, with native honour clad
+In naked majesty seemed lords of all:
+And worthy seemed; for in their looks divine
+The image of their glorious Maker shone,
+Truth, wisdom, sanctitude severe and pure,
+(Severe, but in true filial freedom placed,)
+Whence true authority in men; though both
+Not equal, as their sex not equal seemed;
+For contemplation he and valour formed;
+For softness she and sweet attractive grace;
+He for God only, she for God in him:
+His fair large front and eye sublime declared
+Absolute rule; and hyacinthine locks
+Round from his parted forelock manly hung
+Clustering, but not beneath his shoulders broad:
+She, as a veil, down to the slender waist
+Her unadorned golden tresses wore
+Dishevelled, but in wanton ringlets waved
+As the vine curls her tendrils, which implied
+Subjection, but required with gentle sway,
+And by her yielded, by him best received,
+Yielded with coy submission, modest pride,
+And sweet, reluctant, amorous delay.
+Nor those mysterious parts were then concealed;
+Then was not guilty shame, dishonest shame
+Of nature's works, honour dishonourable,
+Sin-bred, how have ye troubled all mankind
+With shows instead, mere shows of seeming pure,
+And banished from man's life his happiest life,
+Simplicity and spotless innocence!
+So passed they naked on, nor shunned the sight
+Of God or Angel; for they thought no ill:
+So hand in hand they passed, the loveliest pair,
+That ever since in love's embraces met;
+Adam the goodliest man of men since born
+His sons, the fairest of her daughters Eve.
+Under a tuft of shade that on a green
+Stood whispering soft, by a fresh fountain side
+They sat them down; and, after no more toil
+Of their sweet gardening labour than sufficed
+To recommend cool Zephyr, and made ease
+More easy, wholesome thirst and appetite
+More grateful, to their supper-fruits they fell,
+Nectarine fruits which the compliant boughs
+Yielded them, side-long as they sat recline
+On the soft downy bank damasked with flowers:
+The savoury pulp they chew, and in the rind,
+Still as they thirsted, scoop the brimming stream;
+Nor gentle purpose, nor endearing smiles
+Wanted, nor youthful dalliance, as beseems
+Fair couple, linked in happy nuptial league,
+Alone as they.  About them frisking played
+All beasts of the earth, since wild, and of all chase
+In wood or wilderness, forest or den;
+Sporting the lion ramped, and in his paw
+Dandled the kid; bears, tigers, ounces, pards,
+Gambolled before them; the unwieldy elephant,
+To make them mirth, used all his might, and wreathed
+His?kithetmroboscis; close the serpent sly,
+Insinuating, wove with Gordian twine
+His braided train, and of his fatal guile
+Gave proof unheeded; others on the grass
+Couched, and now filled with pasture gazing sat,
+Or bedward ruminating; for the sun,
+Declined, was hasting now with prone career
+To the ocean isles, and in the ascending scale
+Of Heaven the stars that usher evening rose:
+When Satan still in gaze, as first he stood,
+Scarce thus at length failed speech recovered sad.
+O Hell! what do mine eyes with grief behold!
+Into our room of bliss thus high advanced
+Creatures of other mould, earth-born perhaps,
+Not Spirits, yet to heavenly Spirits bright
+Little inferiour; whom my thoughts pursue
+With wonder, and could love, so lively shines
+In them divine resemblance, and such grace
+The hand that formed them on their shape hath poured.
+Ah! gentle pair, ye little think how nigh
+Your change approaches, when all these delights
+Will vanish, and deliver ye to woe;
+More woe, the more your taste is now of joy;
+Happy, but for so happy ill secured
+Long to continue, and this high seat your Heaven
+Ill fenced for Heaven to keep out such a foe
+As now is entered; yet no purposed foe
+To you, whom I could pity thus forlorn,
+Though I unpitied:  League with you I seek,
+And mutual amity, so strait, so close,
+That I with you must dwell, or you with me
+Henceforth; my dwelling haply may not please,
+Like this fair Paradise, your sense; yet such
+Accept your Maker's work; he gave it me,
+Which I as freely give:  Hell shall unfold,
+To entertain you two, her widest gates,
+And send forth all her kings; there will be room,
+Not like these narrow limits, to receive
+Your numerous offspring; if no better place,
+Thank him who puts me loth to this revenge
+On you who wrong me not for him who wronged.
+And should I at your harmless innocence
+Melt, as I do, yet publick reason just,
+Honour and empire with revenge enlarged,
+By conquering this new world, compels me now
+To do what else, though damned, I should abhor.
+So spake the Fiend, and with necessity,
+The tyrant's plea, excused his devilish deeds.
+Then from his lofty stand on that high tree
+Down he alights among the sportful herd
+Of those four-footed kinds, himself now one,
+Now other, as their shape served best his end
+Nearer to view his prey, and, unespied,
+To mark what of their state he more might learn,
+By word or action marked. About them round
+A lion now he stalks with fiery glare;
+Then as a tiger, who by chance hath spied
+In some purlieu two gentle fawns at play,
+Straight couches close, then, rising, changes oft
+His couchant watch, as one who chose his ground,
+Whence rushing, he might surest seize them both,
+Griped in each paw: when, Adam first of men
+To first of women Eve thus moving speech,
+Turned him, all ear to hear new utterance flow.
+Sole partner, and sole part, of all these joys,
+Dearer thyself than all; needs must the Power
+That made us, and for us this ample world,
+Be infinitely good, and of his good
+As liberal and free as infinite;
+That raised us from the dust, and placed us here
+In all this happiness, who at his hand
+Have nothing merited, nor can perform
+Aught whereof he hath need; he who requires
+From us no other service than to keep
+This one, this easy charge, of all the trees
+In Paradise that bear delicious fruit
+So various, not to taste that only tree
+Of knowledge, planted by the tree of life;
+So near grows death to life, whate'er death is,
+Some dreadful thing no doubt; for well thou knowest
+God hath pronounced it death to taste that tree,
+The only sign of our obedience left,
+Among so many signs of power and rule
+Conferred upon us, and dominion given
+Over all other creatures that possess
+Earth, air, and sea.  Then let us not think hard
+One easy prohibition, who enjoy
+Free leave so large to all things else, and choice
+Unlimited of manifold delights:
+But let us ever praise him, and extol
+His bounty, following our delightful task,
+To prune these growing plants, and tend these flowers,
+Which were it toilsome, yet with thee were sweet.
+To whom thus Eve replied.  O thou for whom
+And from whom I was formed, flesh of thy flesh,
+And without whom am to no end, my guide
+And head! what thou hast said is just and right.
+For we to him indeed all praises owe,
+And daily thanks; I chiefly, who enjoy
+So far the happier lot, enjoying thee
+Pre-eminent by so much odds, while thou
+Like consort to thyself canst no where find.
+That day I oft remember, when from sleep
+I first awaked, and found myself reposed
+Under a shade on flowers, much wondering where
+And what I was, whence thither brought, and how.
+Not distant far from thence a murmuring sound
+Of waters issued from a cave, and spread
+Into a liquid plain, then stood unmoved
+Pure as the expanse of Heaven; I thither went
+With unexperienced thought, and laid me down
+On the green bank, to look into the clear
+Smooth lake, that to me seemed another sky.
+As I bent down to look, just opposite
+A shape within the watery gleam appeared,
+Bending to look on me:  I started back,
+It started back; but pleased I soon returned,
+Pleased it returned as soon with answering looks
+Of sympathy and love:  There I had fixed
+Mine eyes till now, and pined with vain desire,
+Had not a voice thus warned me;  'What thou seest,
+'What there thou seest, fair Creature, is thyself;
+'With thee it came and goes: but follow me,
+'And I will bring thee where no shadow stays
+'Thy coming, and thy soft embraces, he
+'Whose image thou art; him thou shalt enjoy
+'Inseparably thine, to him shalt bear
+'Multitudes like thyself, and thence be called
+'Mother of human race.'  What could I do,
+But follow straight, invisibly thus led?
+Till I espied thee, fair indeed and tall,
+Under a platane; yet methought less fair,
+Less winning soft, less amiably mild,
+Than that smooth watery image:  Back I turned;
+Thou following cryedst aloud, 'Return, fair Eve;
+'Whom flyest thou?  whom thou flyest, of him thou art,
+'His flesh, his bone; to give thee being I lent
+'Out of my side to thee, nearest my heart,
+'Substantial life, to have thee by my side
+'Henceforth an individual solace dear;
+'Part of my soul I seek thee, and thee claim
+'My other half:'  With that thy gentle hand
+Seised mine:  I yielded;and from that time see
+How beauty is excelled by manly grace,
+And wisdom, which alone is truly fair.
+So spake our general mother, and with eyes
+Of conjugal attraction unreproved,
+And meek surrender, half-embracing leaned
+On our first father; half her swelling breast
+Naked met his, under the flowing gold
+Of her loose tresses hid: he in delight
+Both of her beauty, and submissive charms,
+Smiled with superiour love, as Jupiter
+On Juno smiles, when he impregns the clouds
+That shed Mayflowers; and pressed her matron lip
+With kisses pure:  Aside the Devil turned
+For envy; yet with jealous leer malign
+Eyed them askance, and to himself thus plained.
+Sight hateful, sight tormenting! thus these two,
+Imparadised in one another's arms,
+The happier Eden, shall enjoy their fill
+Of bliss on bliss; while I to Hell am thrust,
+Where neither joy nor love, but fierce desire,
+Among our other torments not the least,
+Still unfulfilled with pain of longing pines.
+Yet let me not forget what I have gained
+From their own mouths:  All is not theirs, it seems;
+One fatal tree there stands, of knowledge called,
+Forbidden them to taste:  Knowledge forbidden
+Suspicious, reasonless.  Why should their Lord
+Envy them that?  Can it be sin to know?
+Can it be death?  And do they only stand
+By ignorance?  Is that their happy state,
+The proof of their obedience and their faith?
+O fair foundation laid whereon to build
+Their ruin! hence I will excite their minds
+With more desire to know, and to reject
+Envious commands, invented with design
+To keep them low, whom knowledge might exalt
+Equal with Gods: aspiring to be such,
+They taste and die:  What likelier can ensue
+But first with narrow search I must walk round
+This garden, and no corner leave unspied;
+A chance but chance may lead where I may meet
+Some wandering Spirit of Heaven by fountain side,
+Or in thick shade retired, from him to draw
+What further would be learned.  Live while ye may,
+Yet happy pair; enjoy, till I return,
+Short pleasures, for long woes are to succeed!
+So saying, his proud step he scornful turned,
+But with sly circumspection, and began
+Through wood, through waste, o'er hill, o'er dale, his roam
+Mean while in utmost longitude, where Heaven
+With earth and ocean meets, the setting sun
+Slowly descended, and with right aspect
+Against the eastern gate of Paradise
+Levelled his evening rays:  It was a rock
+Of alabaster, piled up to the clouds,
+Conspicuous far, winding with one ascent
+Accessible from earth, one entrance high;
+The rest was craggy cliff, that overhung
+Still as it rose, impossible to climb.
+Betwixt these rocky pillars Gabriel sat,
+Chief of the angelick guards, awaiting night;
+About him exercised heroick games
+The unarmed youth of Heaven, but nigh at hand
+Celestial armoury, shields, helms, and spears,
+Hung high with diamond flaming, and with gold.
+Thither came Uriel, gliding through the even
+On a sun-beam, swift as a shooting star
+In autumn thwarts the night, when vapours fired
+Impress the air, and shows the mariner
+From what point of his compass to beware
+Impetuous winds:  He thus began in haste.
+Gabriel, to thee thy course by lot hath given
+Charge and strict watch, that to this happy place
+No evil thing approach or enter in.
+This day at highth of noon came to my sphere
+A Spirit, zealous, as he seemed, to know
+More of the Almighty's works, and chiefly Man,
+God's latest image:  I described his way
+Bent all on speed, and marked his aery gait;
+But in the mount that lies from Eden north,
+Where he first lighted, soon discerned his looks
+Alien from Heaven, with passions foul obscured:
+Mine eye pursued him still, but under shade
+Lost sight of him:  One of the banished crew,
+I fear, hath ventured from the deep, to raise
+New troubles; him thy care must be to find.
+To whom the winged warriour thus returned.
+Uriel, no wonder if thy perfect sight,
+Amid the sun's bright circle where thou sitst,
+See far and wide:  In at this gate none pass
+The vigilance here placed, but such as come
+Well known from Heaven; and since meridian hour
+No creature thence:  If Spirit of other sort,
+So minded, have o'er-leaped these earthly bounds
+On purpose, hard thou knowest it to exclude
+Spiritual substance with corporeal bar.
+But if within the circuit of these walks,
+In whatsoever shape he lurk, of whom
+Thou tellest, by morrow dawning I shall know.
+So promised he; and Uriel to his charge
+Returned on that bright beam, whose point now raised
+Bore him slope downward to the sun now fallen
+Beneath the Azores; whether the prime orb,
+Incredible how swift, had thither rolled
+Diurnal, or this less volubil earth,
+By shorter flight to the east, had left him there
+Arraying with reflected purple and gold
+The clouds that on his western throne attend.
+Now came still Evening on, and Twilight gray
+Had in her sober livery all things clad;
+Silence accompanied; for beast and bird,
+They to their grassy couch, these to their nests
+Were slunk, all but the wakeful nightingale;
+She all night long her amorous descant sung;
+Silence was pleased:  Now glowed the firmament
+With living sapphires:  Hesperus, that led
+The starry host, rode brightest, till the moon,
+Rising in clouded majesty, at length
+Apparent queen unveiled her peerless light,
+And o'er the dark her silver mantle threw.
+When Adam thus to Eve.  Fair Consort, the hour
+Of night, and all things now retired to rest,
+Mind us of like repose; since God hath set
+Labour and rest, as day and night, to men
+Successive; and the timely dew of sleep,
+Now falling with soft slumbrous weight, inclines
+Our eye-lids:  Other creatures all day long
+Rove idle, unemployed, and less need rest;
+Man hath his daily work of body or mind
+Appointed, which declares his dignity,
+And the regard of Heaven on all his ways;
+While other animals unactive range,
+And of their doings God takes no account.
+To-morrow, ere fresh morning streak the east
+With first approach of light, we must be risen,
+And at our pleasant labour, to reform
+Yon flowery arbours, yonder alleys green,
+Our walk at noon, with branches overgrown,
+That mock our scant manuring, and require
+More hands than ours to lop their wanton growth:
+Those blossoms also, and those dropping gums,
+That lie bestrown, unsightly and unsmooth,
+Ask riddance, if we mean to tread with ease;
+Mean while, as Nature wills, night bids us rest.
+To whom thus Eve, with perfect beauty adorned
+My Author and Disposer, what thou bidst
+Unargued I obey:  So God ordains;
+God is thy law, thou mine:  To know no more
+Is woman's happiest knowledge, and her praise.
+With thee conversing I forget all time;
+All seasons, and their change, all please alike.
+Sweet is the breath of Morn, her rising sweet,
+With charm of earliest birds:  pleasant the sun,
+When first on this delightful land he spreads
+His orient beams, on herb, tree, fruit, and flower,
+Glistering with dew; fragrant the fertile earth
+After soft showers; and sweet the coming on
+Of grateful Evening mild; then silent Night,
+With this her solemn bird, and this fair moon,
+And these the gems of Heaven, her starry train:
+But neither breath of Morn, when she ascends
+With charm of earliest birds; nor rising sun
+On this delightful land; nor herb, fruit, flower,
+Glistering with dew; nor fragrance after showers;
+Nor grateful Evening mild; nor silent Night,
+With this her solemn bird, nor walk by moon,
+Or glittering star-light, without thee is sweet.
+But wherefore all night long shine these? for whom
+This glorious sight, when sleep hath shut all eyes?
+To whom our general ancestor replied.
+Daughter of God and Man, accomplished Eve,
+These have their course to finish round the earth,
+By morrow evening, and from land to land
+In order, though to nations yet unborn,
+Ministring light prepared, they set and rise;
+Lest total Darkness should by night regain
+Her old possession, and extinguish life
+In Nature and all things; which these soft fires
+Not only enlighten, but with kindly heat
+Of various influence foment and warm,
+Temper or nourish, or in part shed down
+Their stellar virtue on all kinds that grow
+On earth, made hereby apter to receive
+Perfection from the sun's more potent ray.
+These then, though unbeheld in deep of night,
+Shine not in vain; nor think, though men were none,
+That Heaven would want spectators, God want praise:
+Millions of spiritual creatures walk the earth
+Unseen, both when we wake, and when we sleep:
+All these with ceaseless praise his works behold
+Both day and night:  How often from the steep
+Of echoing hill or thicket have we heard
+Celestial voices to the midnight air,
+Sole, or responsive each to others note,
+Singing their great Creator? oft in bands
+While they keep watch, or nightly rounding walk,
+With heavenly touch of instrumental sounds
+In full harmonick number joined, their songs
+Divide the night, and lift our thoughts to Heaven.
+Thus talking, hand in hand alone they passed
+On to their blissful bower: it was a place
+Chosen by the sovran Planter, when he framed
+All things to Man's delightful use; the roof
+Of thickest covert was inwoven shade
+Laurel and myrtle, and what higher grew
+Of firm and fragrant leaf; on either side
+Acanthus, and each odorous bushy shrub,
+Fenced up the verdant wall; each beauteous flower,
+Iris all hues, roses, and jessamin,
+Reared high their flourished heads between, and wrought
+Mosaick; underfoot the violet,
+Crocus, and hyacinth, with rich inlay
+Broidered the ground, more coloured than with stone
+Of costliest emblem:  Other creature here,
+Bird, beast, insect, or worm, durst enter none,
+Such was their awe of Man.  In shadier bower
+More sacred and sequestered, though but feigned,
+Pan or Sylvanus never slept, nor Nymph
+Nor Faunus haunted.  Here, in close recess,
+With flowers, garlands, and sweet-smelling herbs,
+Espoused Eve decked first her nuptial bed;
+And heavenly quires the hymenaean sung,
+What day the genial Angel to our sire
+Brought her in naked beauty more adorned,
+More lovely, than Pandora, whom the Gods
+Endowed with all their gifts, and O! too like
+In sad event, when to the unwiser son
+Of Japhet brought by Hermes, she ensnared
+Mankind with her fair looks, to be avenged
+On him who had stole Jove's authentick fire.
+Thus, at their shady lodge arrived, both stood,
+Both turned, and under open sky adored
+The God that made both sky, air, earth, and heaven,
+Which they beheld, the moon's resplendent globe,
+And starry pole:  Thou also madest the night,
+Maker Omnipotent, and thou the day,
+Which we, in our appointed work employed,
+Have finished, happy in our mutual help
+And mutual love, the crown of all our bliss
+Ordained by thee; and this delicious place
+For us too large, where thy abundance wants
+Partakers, and uncropt falls to the ground.
+But thou hast promised from us two a race
+To fill the earth, who shall with us extol
+Thy goodness infinite, both when we wake,
+And when we seek, as now, thy gift of sleep.
+This said unanimous, and other rites
+Observing none, but adoration pure
+Which God likes best, into their inmost bower
+Handed they went; and, eased the putting off
+These troublesome disguises which we wear,
+Straight side by side were laid; nor turned, I ween,
+Adam from his fair spouse, nor Eve the rites
+Mysterious of connubial love refused:
+Whatever hypocrites austerely talk
+Of purity, and place, and innocence,
+Defaming as impure what God declares
+Pure, and commands to some, leaves free to all.
+Our Maker bids encrease; who bids abstain
+But our Destroyer, foe to God and Man?
+Hail, wedded Love, mysterious law, true source
+Of human offspring, sole propriety
+In Paradise of all things common else!
+By thee adulterous Lust was driven from men
+Among the bestial herds to range; by thee
+Founded in reason, loyal, just, and pure,
+Relations dear, and all the charities
+Of father, son, and brother, first were known.
+Far be it, that I should write thee sin or blame,
+Or think thee unbefitting holiest place,
+Perpetual fountain of domestick sweets,
+Whose bed is undefiled and chaste pronounced,
+Present, or past, as saints and patriarchs used.
+Here Love his golden shafts employs, here lights
+His constant lamp, and waves his purple wings,
+Reigns here and revels; not in the bought smile
+Of harlots, loveless, joyless, unendeared,
+Casual fruition; nor in court-amours,
+Mixed dance, or wanton mask, or midnight ball,
+Or serenate, which the starved lover sings
+To his proud fair, best quitted with disdain.
+These, lulled by nightingales, embracing slept,
+And on their naked limbs the flowery roof
+Showered roses, which the morn repaired.  Sleep on,
+Blest pair; and O!yet happiest, if ye seek
+No happier state, and know to know no more.
+Now had night measured with her shadowy cone
+Half way up hill this vast sublunar vault,
+And from their ivory port the Cherubim,
+Forth issuing at the accustomed hour, stood armed
+To their night watches in warlike parade;
+When Gabriel to his next in power thus spake.
+Uzziel, half these draw off, and coast the south
+With strictest watch; these other wheel the north;
+Our circuit meets full west.  As flame they part,
+Half wheeling to the shield, half to the spear.
+From these, two strong and subtle Spirits he called
+That near him stood, and gave them thus in charge.
+Ithuriel and Zephon, with winged speed
+Search through this garden, leave unsearched no nook;
+But chiefly where those two fair creatures lodge,
+Now laid perhaps asleep, secure of harm.
+This evening from the sun's decline arrived,
+Who tells of some infernal Spirit seen
+Hitherward bent (who could have thought?) escaped
+The bars of Hell, on errand bad no doubt:
+Such, where ye find, seise fast, and hither bring.
+So saying, on he led his radiant files,
+Dazzling the moon; these to the bower direct
+In search of whom they sought:  Him there they found
+Squat like a toad, close at the ear of Eve,
+Assaying by his devilish art to reach
+The organs of her fancy, and with them forge
+Illusions, as he list, phantasms and dreams;
+Or if, inspiring venom, he might taint
+The animal spirits, that from pure blood arise
+Like gentle breaths from rivers pure, thence raise
+At least distempered, discontented thoughts,
+Vain hopes, vain aims, inordinate desires,
+Blown up with high conceits ingendering pride.
+Him thus intent Ithuriel with his spear
+Touched lightly; for no falshood can endure
+Touch of celestial temper, but returns
+Of force to its own likeness:  Up he starts
+Discovered and surprised.  As when a spark
+Lights on a heap of nitrous powder, laid
+Fit for the tun some magazine to store
+Against a rumoured war, the smutty grain,
+With sudden blaze diffused, inflames the air;
+So started up in his own shape the Fiend.
+Back stept those two fair Angels, half amazed
+So sudden to behold the grisly king;
+Yet thus, unmoved with fear, accost him soon.
+Which of those rebel Spirits adjudged to Hell
+Comest thou, escaped thy prison? and, transformed,
+Why sat'st thou like an enemy in wait,
+Here watching at the head of these that sleep?
+Know ye not then said Satan, filled with scorn,
+Know ye not me? ye knew me once no mate
+For you, there sitting where ye durst not soar:
+Not to know me argues yourselves unknown,
+The lowest of your throng; or, if ye know,
+Why ask ye, and superfluous begin
+Your message, like to end as much in vain?
+To whom thus Zephon, answering scorn with scorn.
+Think not, revolted Spirit, thy shape the same,
+Or undiminished brightness to be known,
+As when thou stoodest in Heaven upright and pure;
+That glory then, when thou no more wast good,
+Departed from thee; and thou resemblest now
+Thy sin and place of doom obscure and foul.
+But come, for thou, be sure, shalt give account
+To him who sent us, whose charge is to keep
+This place inviolable, and these from harm.
+So spake the Cherub; and his grave rebuke,
+Severe in youthful beauty, added grace
+Invincible:  Abashed the Devil stood,
+And felt how awful goodness is, and saw
+Virtue in her shape how lovely; saw, and pined
+His loss; but chiefly to find here observed
+His lustre visibly impaired; yet seemed
+Undaunted.  If I must contend, said he,
+Best with the best, the sender, not the sent,
+Or all at once; more glory will be won,
+Or less be lost.  Thy fear, said Zephon bold,
+Will save us trial what the least can do
+Single against thee wicked, and thence weak.
+The Fiend replied not, overcome with rage;
+But, like a proud steed reined, went haughty on,
+Champing his iron curb:  To strive or fly
+He held it vain; awe from above had quelled
+His heart, not else dismayed.  Now drew they nigh
+The western point, where those half-rounding guards
+Just met, and closing stood in squadron joined,
+A waiting next command.  To whom their Chief,
+Gabriel, from the front thus called aloud.
+O friends!  I hear the tread of nimble feet
+Hasting this way, and now by glimpse discern
+Ithuriel and Zephon through the shade;
+And with them comes a third of regal port,
+But faded splendour wan; who by his gait
+And fierce demeanour seems the Prince of Hell,
+Not likely to part hence without contest;
+Stand firm, for in his look defiance lours.
+He scarce had ended, when those two approached,
+And brief related whom they brought, where found,
+How busied, in what form and posture couched.
+To whom with stern regard thus Gabriel spake.
+Why hast thou, Satan, broke the bounds prescribed
+To thy transgressions, and disturbed the charge
+Of others, who approve not to transgress
+By thy example, but have power and right
+To question thy bold entrance on this place;
+Employed, it seems, to violate sleep, and those
+Whose dwelling God hath planted here in bliss!
+To whom thus Satan with contemptuous brow.
+Gabriel? thou hadst in Heaven the esteem of wise,
+And such I held thee; but this question asked
+Puts me in doubt.  Lives there who loves his pain!
+Who would not, finding way, break loose from Hell,
+Though thither doomed!  Thou wouldst thyself, no doubt
+And boldly venture to whatever place
+Farthest from pain, where thou mightst hope to change
+Torment with ease, and soonest recompense
+Dole with delight, which in this place I sought;
+To thee no reason, who knowest only good,
+But evil hast not tried: and wilt object
+His will who bounds us!  Let him surer bar
+His iron gates, if he intends our stay
+In that dark durance:  Thus much what was asked.
+The rest is true, they found me where they say;
+But that implies not violence or harm.
+Thus he in scorn.  The warlike Angel moved,
+Disdainfully half smiling, thus replied.
+O loss of one in Heaven to judge of wise
+Since Satan fell, whom folly overthrew,
+And now returns him from his prison 'scaped,
+Gravely in doubt whether to hold them wise
+Or not, who ask what boldness brought him hither
+Unlicensed from his bounds in Hell prescribed;
+So wise he judges it to fly from pain
+However, and to 'scape his punishment!
+So judge thou still, presumptuous! till the wrath,
+Which thou incurrest by flying, meet thy flight
+Sevenfold, and scourge that wisdom back to Hell,
+Which taught thee yet no better, that no pain
+Can equal anger infinite provoked.
+But wherefore thou alone? wherefore with thee
+Came not all hell broke loose? or thou than they
+Less hardy to endure?  Courageous Chief!
+The first in flight from pain! hadst thou alleged
+To thy deserted host this cause of flight,
+Thou surely hadst not come sole fugitive.
+To which the Fiend thus answered, frowning stern.
+Not that I less endure, or shrink from pain,
+Insulting Angel! well thou knowest I stood
+Thy fiercest, when in battle to thy aid
+The blasting vollied thunder made all speed,
+And seconded thy else not dreaded spear.
+But still thy words at random, as before,
+Argue thy inexperience what behoves
+From hard assays and ill successes past
+A faithful leader, not to hazard all
+Through ways of danger by himself untried:
+I, therefore, I alone first undertook
+To wing the desolate abyss, and spy
+This new created world, whereof in Hell
+Fame is not silent, here in hope to find
+Better abode, and my afflicted Powers
+To settle here on earth, or in mid air;
+Though for possession put to try once more
+What thou and thy gay legions dare against;
+Whose easier business were to serve their Lord
+High up in Heaven, with songs to hymn his throne,
+And practised distances to cringe, not fight,
+To whom the warriour Angel soon replied.
+To say and straight unsay, pretending first
+Wise to fly pain, professing next the spy,
+Argues no leader but a liear traced,
+Satan, and couldst thou faithful add?  O name,
+O sacred name of faithfulness profaned!
+Faithful to whom? to thy rebellious crew?
+Army of Fiends, fit body to fit head.
+Was this your discipline and faith engaged,
+Your military obedience, to dissolve
+Allegiance to the acknowledged Power supreme?
+And thou, sly hypocrite, who now wouldst seem
+Patron of liberty, who more than thou
+Once fawned, and cringed, and servily adored
+Heaven's awful Monarch? wherefore, but in hope
+To dispossess him, and thyself to reign?
+But mark what I arreed thee now, Avant;
+Fly neither whence thou fledst!  If from this hour
+Within these hallowed limits thou appear,
+Back to the infernal pit I drag thee chained,
+And seal thee so, as henceforth not to scorn
+The facile gates of Hell too slightly barred.
+So threatened he; but Satan to no threats
+Gave heed, but waxing more in rage replied.
+Then when I am thy captive talk of chains,
+Proud limitary Cherub! but ere then
+Far heavier load thyself expect to feel
+From my prevailing arm, though Heaven's King
+Ride on thy wings, and thou with thy compeers,
+Us'd to the yoke, drawest his triumphant wheels
+In progress through the road of Heaven star-paved.
+While thus he spake, the angelick squadron bright
+Turned fiery red, sharpening in mooned horns
+Their phalanx, and began to hem him round
+With ported spears, as thick as when a field
+Of Ceres ripe for harvest waving bends
+Her bearded grove of ears, which way the wind
+Sways them; the careful plowman doubting stands,
+Left on the threshing floor his hopeless sheaves
+Prove chaff.  On the other side, Satan, alarmed,
+Collecting all his might, dilated stood,
+Like Teneriff or Atlas, unremoved:
+His stature reached the sky, and on his crest
+Sat Horrour plumed; nor wanted in his grasp
+What seemed both spear and shield:  Now dreadful deeds
+Might have ensued, nor only Paradise
+In this commotion, but the starry cope
+Of Heaven perhaps, or all the elements
+At least had gone to wrack, disturbed and torn
+With violence of this conflict, had not soon
+The Eternal, to prevent such horrid fray,
+Hung forth in Heaven his golden scales, yet seen
+Betwixt Astrea and the Scorpion sign,
+Wherein all things created first he weighed,
+The pendulous round earth with balanced air
+In counterpoise, now ponders all events,
+Battles and realms:  In these he put two weights,
+The sequel each of parting and of fight:
+The latter quick up flew, and kicked the beam,
+Which Gabriel spying, thus bespake the Fiend.
+Satan, I know thy strength, and thou knowest mine;
+Neither our own, but given:  What folly then
+To boast what arms can do? since thine no more
+Than Heaven permits, nor mine, though doubled now
+To trample thee as mire:  For proof look up,
+And read thy lot in yon celestial sign;
+Where thou art weighed, and shown how light, how weak,
+If thou resist.  The Fiend looked up, and knew
+His mounted scale aloft:  Nor more;but fled
+Murmuring, and with him fled the shades of night.
+
+
+
+Book V
+
+
+Now Morn, her rosy steps in the eastern clime
+Advancing, sowed the earth with orient pearl,
+When Adam waked, so customed; for his sleep
+Was aery-light, from pure digestion bred,
+And temperate vapours bland, which the only sound
+Of leaves and fuming rills, Aurora's fan,
+Lightly dispersed, and the shrill matin song
+Of birds on every bough; so much the more
+His wonder was to find unwakened Eve
+With tresses discomposed, and glowing cheek,
+As through unquiet rest:  He, on his side
+Leaning half raised, with looks of cordial love
+Hung over her enamoured, and beheld
+Beauty, which, whether waking or asleep,
+Shot forth peculiar graces; then with voice
+Mild, as when Zephyrus on Flora breathes,
+Her hand soft touching, whispered thus.  Awake,
+My fairest, my espoused, my latest found,
+Heaven's last best gift, my ever new delight!
+Awake:  The morning shines, and the fresh field
+Calls us; we lose the prime, to mark how spring
+Our tender plants, how blows the citron grove,
+What drops the myrrh, and what the balmy reed,
+How nature paints her colours, how the bee
+Sits on the bloom extracting liquid sweet.
+Such whispering waked her, but with startled eye
+On Adam, whom embracing, thus she spake.
+O sole in whom my thoughts find all repose,
+My glory, my perfection! glad I see
+Thy face, and morn returned; for I this night
+(Such night till this I never passed) have dreamed,
+If dreamed, not, as I oft am wont, of thee,
+Works of day past, or morrow's next design,
+But of offence and trouble, which my mind
+Knew never till this irksome night:  Methought,
+Close at mine ear one called me forth to walk
+With gentle voice;  I thought it thine: It said,
+'Why sleepest thou, Eve? now is the pleasant time,
+'The cool, the silent, save where silence yields
+'To the night-warbling bird, that now awake
+'Tunes sweetest his love-laboured song; now reigns
+'Full-orbed the moon, and with more pleasing light
+'Shadowy sets off the face of things; in vain,
+'If none regard; Heaven wakes with all his eyes,
+'Whom to behold but thee, Nature's desire?
+'In whose sight all things joy, with ravishment
+'Attracted by thy beauty still to gaze.'
+I rose as at thy call, but found thee not;
+To find thee I directed then my walk;
+And on, methought, alone I passed through ways
+That brought me on a sudden to the tree
+Of interdicted knowledge: fair it seemed,
+Much fairer to my fancy than by day:
+And, as I wondering looked, beside it stood
+One shaped and winged like one of those from Heaven
+By us oft seen; his dewy locks distilled
+Ambrosia; on that tree he also gazed;
+And 'O fair plant,' said he, 'with fruit surcharged,
+'Deigns none to ease thy load, and taste thy sweet,
+'Nor God, nor Man?  Is knowledge so despised?
+'Or envy, or what reserve forbids to taste?
+'Forbid who will, none shall from me withhold
+'Longer thy offered good; why else set here?
+This said, he paused not, but with venturous arm
+He plucked, he tasted; me damp horrour chilled
+At such bold words vouched with a deed so bold:
+But he thus, overjoyed; 'O fruit divine,
+'Sweet of thyself, but much more sweet thus cropt,
+'Forbidden here, it seems, as only fit
+'For Gods, yet able to make Gods of Men:
+'And why not Gods of Men; since good, the more
+'Communicated, more abundant grows,
+'The author not impaired, but honoured more?
+'Here, happy creature, fair angelick Eve!
+'Partake thou also; happy though thou art,
+'Happier thou mayest be, worthier canst not be:
+'Taste this, and be henceforth among the Gods
+'Thyself a Goddess, not to earth confined,
+'But sometimes in the air, as we, sometimes
+'Ascend to Heaven, by merit thine, and see
+'What life the Gods live there, and such live thou!'
+So saying, he drew nigh, and to me held,
+Even to my mouth of that same fruit held part
+Which he had plucked; the pleasant savoury smell
+So quickened appetite, that I, methought,
+Could not but taste.  Forthwith up to the clouds
+With him I flew, and underneath beheld
+The earth outstretched immense, a prospect wide
+And various:  Wondering at my flight and change
+To this high exaltation; suddenly
+My guide was gone, and I, methought, sunk down,
+And fell asleep; but O, how glad I waked
+To find this but a dream!  Thus Eve her night
+Related, and thus Adam answered sad.
+Best image of myself, and dearer half,
+The trouble of thy thoughts this night in sleep
+Affects me equally; nor can I like
+This uncouth dream, of evil sprung, I fear;
+Yet evil whence? in thee can harbour none,
+Created pure.  But know that in the soul
+Are many lesser faculties, that serve
+Reason as chief; among these Fancy next
+Her office holds; of all external things
+Which the five watchful senses represent,
+She forms imaginations, aery shapes,
+Which Reason, joining or disjoining, frames
+All what we affirm or what deny, and call
+Our knowledge or opinion; then retires
+Into her private cell, when nature rests.
+Oft in her absence mimick Fancy wakes
+To imitate her; but, misjoining shapes,
+Wild work produces oft, and most in dreams;
+Ill matching words and deeds long past or late.
+Some such resemblances, methinks, I find
+Of our last evening's talk, in this thy dream,
+But with addition strange; yet be not sad.
+Evil into the mind of God or Man
+May come and go, so unreproved, and leave
+No spot or blame behind:  Which gives me hope
+That what in sleep thou didst abhor to dream,
+Waking thou never will consent to do.
+Be not disheartened then, nor cloud those looks,
+That wont to be more cheerful and serene,
+Than when fair morning first smiles on the world;
+And let us to our fresh employments rise
+Among the groves, the fountains, and the flowers
+That open now their choisest bosomed smells,
+Reserved from night, and kept for thee in store.
+So cheered he his fair spouse, and she was cheered;
+But silently a gentle tear let fall
+From either eye, and wiped them with her hair;
+Two other precious drops that ready stood,
+Each in their crystal sluice, he ere they fell
+Kissed, as the gracious signs of sweet remorse
+And pious awe, that feared to have offended.
+So all was cleared, and to the field they haste.
+But first, from under shady arborous roof
+Soon as they forth were come to open sight
+Of day-spring, and the sun, who, scarce up-risen,
+With wheels yet hovering o'er the ocean-brim,
+Shot parallel to the earth his dewy ray,
+Discovering in wide landskip all the east
+Of Paradise and Eden's happy plains,
+Lowly they bowed adoring, and began
+Their orisons, each morning duly paid
+In various style; for neither various style
+Nor holy rapture wanted they to praise
+Their Maker, in fit strains pronounced, or sung
+Unmeditated; such prompt eloquence
+Flowed from their lips, in prose or numerous verse,
+More tuneable than needed lute or harp
+To add more sweetness; and they thus began.
+These are thy glorious works, Parent of good,
+Almighty!  Thine this universal frame,
+Thus wonderous fair;  Thyself how wonderous then!
+Unspeakable, who sitst above these heavens
+To us invisible, or dimly seen
+In these thy lowest works; yet these declare
+Thy goodness beyond thought, and power divine.
+Speak, ye who best can tell, ye sons of light,
+Angels; for ye behold him, and with songs
+And choral symphonies, day without night,
+Circle his throne rejoicing; ye in Heaven
+On Earth join all ye Creatures to extol
+Him first, him last, him midst, and without end.
+Fairest of stars, last in the train of night,
+If better thou belong not to the dawn,
+Sure pledge of day, that crownest the smiling morn
+With thy bright circlet, praise him in thy sphere,
+While day arises, that sweet hour of prime.
+Thou Sun, of this great world both eye and soul,
+Acknowledge him thy greater; sound his praise
+In thy eternal course, both when thou climbest,
+And when high noon hast gained, and when thou fallest.
+Moon, that now meetest the orient sun, now flyest,
+With the fixed Stars, fixed in their orb that flies;
+And ye five other wandering Fires, that move
+In mystick dance not without song, resound
+His praise, who out of darkness called up light.
+Air, and ye Elements, the eldest birth
+Of Nature's womb, that in quaternion run
+Perpetual circle, multiform; and mix
+And nourish all things; let your ceaseless change
+Vary to our great Maker still new praise.
+Ye Mists and Exhalations, that now rise
+From hill or steaming lake, dusky or gray,
+Till the sun paint your fleecy skirts with gold,
+In honour to the world's great Author rise;
+Whether to deck with clouds the uncoloured sky,
+Or wet the thirsty earth with falling showers,
+Rising or falling still advance his praise.
+His praise, ye Winds, that from four quarters blow,
+Breathe soft or loud; and, wave your tops, ye Pines,
+With every plant, in sign of worship wave.
+Fountains, and ye that warble, as ye flow,
+Melodious murmurs, warbling tune his praise.
+Join voices, all ye living Souls:  Ye Birds,
+That singing up to Heaven-gate ascend,
+Bear on your wings and in your notes his praise.
+Ye that in waters glide, and ye that walk
+The earth, and stately tread, or lowly creep;
+Witness if I be silent, morn or even,
+To hill, or valley, fountain, or fresh shade,
+Made vocal by my song, and taught his praise.
+Hail, universal Lord, be bounteous still
+To give us only good; and if the night
+Have gathered aught of evil, or concealed,
+Disperse it, as now light dispels the dark!
+So prayed they innocent, and to their thoughts
+Firm peace recovered soon, and wonted calm.
+On to their morning's rural work they haste,
+Among sweet dews and flowers; where any row
+Of fruit-trees over-woody reached too far
+Their pampered boughs, and needed hands to check
+Fruitless embraces: or they led the vine
+To wed her elm; she, spoused, about him twines
+Her marriageable arms, and with him brings
+Her dower, the adopted clusters, to adorn
+His barren leaves.  Them thus employed beheld
+With pity Heaven's high King, and to him called
+Raphael, the sociable Spirit, that deigned
+To travel with Tobias, and secured
+His marriage with the seventimes-wedded maid.
+Raphael, said he, thou hearest what stir on Earth
+Satan, from Hell 'scaped through the darksome gulf,
+Hath raised in Paradise; and how disturbed
+This night the human pair; how he designs
+In them at once to ruin all mankind.
+Go therefore, half this day as friend with friend
+Converse with Adam, in what bower or shade
+Thou findest him from the heat of noon retired,
+To respite his day-labour with repast,
+Or with repose; and such discourse bring on,
+As may advise him of his happy state,
+Happiness in his power left free to will,
+Left to his own free will, his will though free,
+Yet mutable; whence warn him to beware
+He swerve not, too secure:  Tell him withal
+His danger, and from whom; what enemy,
+Late fallen himself from Heaven, is plotting now
+The fall of others from like state of bliss;
+By violence? no, for that shall be withstood;
+But by deceit and lies:  This let him know,
+Lest, wilfully transgressing, he pretend
+Surprisal, unadmonished, unforewarned.
+So spake the Eternal Father, and fulfilled
+All justice:  Nor delayed the winged Saint
+After his charge received; but from among
+Thousand celestial Ardours, where he stood
+Veiled with his gorgeous wings, up springing light,
+Flew through the midst of Heaven; the angelick quires,
+On each hand parting, to his speed gave way
+Through all the empyreal road; till, at the gate
+Of Heaven arrived, the gate self-opened wide
+On golden hinges turning, as by work
+Divine the sovran Architect had framed.
+From hence no cloud, or, to obstruct his sight,
+Star interposed, however small he sees,
+Not unconformed to other shining globes,
+Earth, and the garden of God, with cedars crowned
+Above all hills.  As when by night the glass
+Of Galileo, less assured, observes
+Imagined lands and regions in the moon:
+Or pilot, from amidst the Cyclades
+Delos or Samos first appearing, kens
+A cloudy spot.  Down thither prone in flight
+He speeds, and through the vast ethereal sky
+Sails between worlds and worlds, with steady wing
+Now on the polar winds, then with quick fan
+Winnows the buxom air; till, within soar
+Of towering eagles, to all the fowls he seems
+A phoenix, gazed by all as that sole bird,
+When, to enshrine his reliques in the Sun's
+Bright temple, to Egyptian Thebes he flies.
+At once on the eastern cliff of Paradise
+He lights, and to his proper shape returns
+A Seraph winged:  Six wings he wore, to shade
+His lineaments divine; the pair that clad
+Each shoulder broad, came mantling o'er his breast
+With regal ornament; the middle pair
+Girt like a starry zone his waist, and round
+Skirted his loins and thighs with downy gold
+And colours dipt in Heaven; the third his feet
+Shadowed from either heel with feathered mail,
+Sky-tinctured grain.  Like Maia's son he stood,
+And shook his plumes, that heavenly fragrance filled
+The circuit wide.  Straight knew him all the bands
+Of Angels under watch; and to his state,
+And to his message high, in honour rise;
+For on some message high they guessed him bound.
+Their glittering tents he passed, and now is come
+Into the blissful field, through groves of myrrh,
+And flowering odours, cassia, nard, and balm;
+A wilderness of sweets; for Nature here
+Wantoned as in her prime, and played at will
+Her virgin fancies pouring forth more sweet,
+Wild above rule or art, enormous bliss.
+Him through the spicy forest onward come
+Adam discerned, as in the door he sat
+Of his cool bower, while now the mounted sun
+Shot down direct his fervid rays to warm
+Earth's inmost womb, more warmth than Adam needs:
+And Eve within, due at her hour prepared
+For dinner savoury fruits, of taste to please
+True appetite, and not disrelish thirst
+Of nectarous draughts between, from milky stream,
+Berry or grape:  To whom thus Adam called.
+Haste hither, Eve, and worth thy sight behold
+Eastward among those trees, what glorious shape
+Comes this way moving; seems another morn
+Risen on mid-noon; some great behest from Heaven
+To us perhaps he brings, and will vouchsafe
+This day to be our guest.  But go with speed,
+And, what thy stores contain, bring forth, and pour
+Abundance, fit to honour and receive
+Our heavenly stranger:  Well we may afford
+Our givers their own gifts, and large bestow
+From large bestowed, where Nature multiplies
+Her fertile growth, and by disburthening grows
+More fruitful, which instructs us not to spare.
+To whom thus Eve.  Adam, earth's hallowed mould,
+Of God inspired! small store will serve, where store,
+All seasons, ripe for use hangs on the stalk;
+Save what by frugal storing firmness gains
+To nourish, and superfluous moist consumes:
+But I will haste, and from each bough and brake,
+Each plant and juciest gourd, will pluck such choice
+To entertain our Angel-guest, as he
+Beholding shall confess, that here on Earth
+God hath dispensed his bounties as in Heaven.
+So saying, with dispatchful looks in haste
+She turns, on hospitable thoughts intent
+What choice to choose for delicacy best,
+What order, so contrived as not to mix
+Tastes, not well joined, inelegant, but bring
+Taste after taste upheld with kindliest change;
+Bestirs her then, and from each tender stalk
+Whatever Earth, all-bearing mother, yields
+In India East or West, or middle shore
+In Pontus or the Punick coast, or where
+Alcinous reigned, fruit of all kinds, in coat
+Rough, or smooth rind, or bearded husk, or shell,
+She gathers, tribute large, and on the board
+Heaps with unsparing hand; for drink the grape
+She crushes, inoffensive must, and meaths
+From many a berry, and from sweet kernels pressed
+She tempers dulcet creams; nor these to hold
+Wants her fit vessels pure; then strows the ground
+With rose and odours from the shrub unfumed.
+Mean while our primitive great sire, to meet
+His God-like guest, walks forth, without more train
+Accompanied than with his own complete
+Perfections; in himself was all his state,
+More solemn than the tedious pomp that waits
+On princes, when their rich retinue long
+Of horses led, and grooms besmeared with gold,
+Dazzles the croud, and sets them all agape.
+Nearer his presence Adam, though not awed,
+Yet with submiss approach and reverence meek,
+As to a superiour nature bowing low,
+Thus said.  Native of Heaven, for other place
+None can than Heaven such glorious shape contain;
+Since, by descending from the thrones above,
+Those happy places thou hast deigned a while
+To want, and honour these, vouchsafe with us
+Two only, who yet by sovran gift possess
+This spacious ground, in yonder shady bower
+To rest; and what the garden choicest bears
+To sit and taste, till this meridian heat
+Be over, and the sun more cool decline.
+Whom thus the angelick Virtue answered mild.
+Adam, I therefore came; nor art thou such
+Created, or such place hast here to dwell,
+As may not oft invite, though Spirits of Heaven,
+To visit thee; lead on then where thy bower
+O'ershades; for these mid-hours, till evening rise,
+I have at will.  So to the sylvan lodge
+They came, that like Pomona's arbour smiled,
+With flowerets decked, and fragrant smells; but Eve,
+Undecked save with herself, more lovely fair
+Than Wood-Nymph, or the fairest Goddess feigned
+Of three that in mount Ida naked strove,
+Stood to entertain her guest from Heaven; no veil
+She needed, virtue-proof; no thought infirm
+Altered her cheek.  On whom the Angel Hail
+Bestowed, the holy salutation used
+Long after to blest Mary, second Eve.
+Hail, Mother of Mankind, whose fruitful womb
+Shall fill the world more numerous with thy sons,
+Than with these various fruits the trees of God
+Have heaped this table!--Raised of grassy turf
+Their table was, and mossy seats had round,
+And on her ample square from side to side
+All autumn piled, though spring and autumn here
+Danced hand in hand.  A while discourse they hold;
+No fear lest dinner cool; when thus began
+Our author.  Heavenly stranger, please to taste
+These bounties, which our Nourisher, from whom
+All perfect good, unmeasured out, descends,
+To us for food and for delight hath caused
+The earth to yield; unsavoury food perhaps
+To spiritual natures; only this I know,
+That one celestial Father gives to all.
+To whom the Angel.  Therefore what he gives
+(Whose praise be ever sung) to Man in part
+Spiritual, may of purest Spirits be found
+No ingrateful food:  And food alike those pure
+Intelligential substances require,
+As doth your rational; and both contain
+Within them every lower faculty
+Of sense, whereby they hear, see, smell, touch, taste,
+Tasting concoct, digest, assimilate,
+And corporeal to incorporeal turn.
+For know, whatever was created, needs
+To be sustained and fed:  Of elements
+The grosser feeds the purer, earth the sea,
+Earth and the sea feed air, the air those fires
+Ethereal, and as lowest first the moon;
+Whence in her visage round those spots, unpurged
+Vapours not yet into her substance turned.
+Nor doth the moon no nourishment exhale
+From her moist continent to higher orbs.
+The sun that light imparts to all, receives
+From all his alimental recompence
+In humid exhalations, and at even
+Sups with the ocean.  Though in Heaven the trees
+Of life ambrosial fruitage bear, and vines
+Yield nectar; though from off the boughs each morn
+We brush mellifluous dews, and find the ground
+Covered with pearly grain:  Yet God hath here
+Varied his bounty so with new delights,
+As may compare with Heaven; and to taste
+Think not I shall be nice.  So down they sat,
+And to their viands fell; nor seemingly
+The Angel, nor in mist, the common gloss
+Of Theologians; but with keen dispatch
+Of real hunger, and concoctive heat
+To transubstantiate:  What redounds, transpires
+Through Spirits with ease; nor wonder;if by fire
+Of sooty coal the empirick alchemist
+Can turn, or holds it possible to turn,
+Metals of drossiest ore to perfect gold,
+As from the mine.  Mean while at table Eve
+Ministered naked, and their flowing cups
+With pleasant liquours crowned:  O innocence
+Deserving Paradise! if ever, then,
+Then had the sons of God excuse to have been
+Enamoured at that sight; but in those hearts
+Love unlibidinous reigned, nor jealousy
+Was understood, the injured lover's hell.
+Thus when with meats and drinks they had sufficed,
+Not burdened nature, sudden mind arose
+In Adam, not to let the occasion pass
+Given him by this great conference to know
+Of things above his world, and of their being
+Who dwell in Heaven, whose excellence he saw
+Transcend his own so far; whose radiant forms,
+Divine effulgence, whose high power, so far
+Exceeded human; and his wary speech
+Thus to the empyreal minister he framed.
+Inhabitant with God, now know I well
+Thy favour, in this honour done to Man;
+Under whose lowly roof thou hast vouchsafed
+To enter, and these earthly fruits to taste,
+Food not of Angels, yet accepted so,
+As that more willingly thou couldst not seem
+At Heaven's high feasts to have fed: yet what compare
+To whom the winged Hierarch replied.
+O Adam, One Almighty is, from whom
+All things proceed, and up to him return,
+If not depraved from good, created all
+Such to perfection, one first matter all,
+Endued with various forms, various degrees
+Of substance, and, in things that live, of life;
+But more refined, more spiritous, and pure,
+As nearer to him placed, or nearer tending
+Each in their several active spheres assigned,
+Till body up to spirit work, in bounds
+Proportioned to each kind.  So from the root
+Springs lighter the green stalk, from thence the leaves
+More aery, last the bright consummate flower
+Spirits odorous breathes: flowers and their fruit,
+Man's nourishment, by gradual scale sublimed,
+To vital spirits aspire, to animal,
+To intellectual; give both life and sense,
+Fancy and understanding; whence the soul
+Reason receives, and reason is her being,
+Discursive, or intuitive; discourse
+Is oftest yours, the latter most is ours,
+Differing but in degree, of kind the same.
+Wonder not then, what God for you saw good
+If I refuse not, but convert, as you
+To proper substance.  Time may come, when Men
+With Angels may participate, and find
+No inconvenient diet, nor too light fare;
+And from these corporal nutriments perhaps
+Your bodies may at last turn all to spirit,
+Improved by tract of time, and, winged, ascend
+Ethereal, as we; or may, at choice,
+Here or in heavenly Paradises dwell;
+If ye be found obedient, and retain
+Unalterably firm his love entire,
+Whose progeny you are.  Mean while enjoy
+Your fill what happiness this happy state
+Can comprehend, incapable of more.
+To whom the patriarch of mankind replied.
+O favourable Spirit, propitious guest,
+Well hast thou taught the way that might direct
+Our knowledge, and the scale of nature set
+From center to circumference; whereon,
+In contemplation of created things,
+By steps we may ascend to God.  But say,
+What meant that caution joined, If ye be found
+Obedient?  Can we want obedience then
+To him, or possibly his love desert,
+Who formed us from the dust and placed us here
+Full to the utmost measure of what bliss
+Human desires can seek or apprehend?
+To whom the Angel.  Son of Heaven and Earth,
+Attend!  That thou art happy, owe to God;
+That thou continuest such, owe to thyself,
+That is, to thy obedience; therein stand.
+This was that caution given thee; be advised.
+God made thee perfect, not immutable;
+And good he made thee, but to persevere
+He left it in thy power; ordained thy will
+By nature free, not over-ruled by fate
+Inextricable, or strict necessity:
+Our voluntary service he requires,
+Not our necessitated; such with him
+Finds no acceptance, nor can find; for how
+Can hearts, not free, be tried whether they serve
+Willing or no, who will but what they must
+By destiny, and can no other choose?
+Myself, and all the angelick host, that stand
+In sight of God, enthroned, our happy state
+Hold, as you yours, while our obedience holds;
+On other surety none:  Freely we serve,
+Because we freely love, as in our will
+To love or not; in this we stand or fall:
+And some are fallen, to disobedience fallen,
+And so from Heaven to deepest Hell; O fall
+From what high state of bliss, into what woe!
+To whom our great progenitor.  Thy words
+Attentive, and with more delighted ear,
+Divine instructer, I have heard, than when
+Cherubick songs by night from neighbouring hills
+Aereal musick send:  Nor knew I not
+To be both will and deed created free;
+Yet that we never shall forget to love
+Our Maker, and obey him whose command
+Single is yet so just, my constant thoughts
+Assured me, and still assure:  Though what thou tellest
+Hath passed in Heaven, some doubt within me move,
+But more desire to hear, if thou consent,
+The full relation, which must needs be strange,
+Worthy of sacred silence to be heard;
+And we have yet large day, for scarce the sun
+Hath finished half his journey, and scarce begins
+His other half in the great zone of Heaven.
+Thus Adam made request; and Raphael,
+After short pause assenting, thus began.
+High matter thou enjoinest me, O prime of men,
+Sad task and hard:  For how shall I relate
+To human sense the invisible exploits
+Of warring Spirits? how, without remorse,
+The ruin of so many glorious once
+And perfect while they stood? how last unfold
+The secrets of another world, perhaps
+Not lawful to reveal? yet for thy good
+This is dispensed; and what surmounts the reach
+Of human sense, I shall delineate so,
+By likening spiritual to corporal forms,
+As may express them best; though what if Earth
+Be but a shadow of Heaven, and things therein
+Each to other like, more than on earth is thought?
+As yet this world was not, and Chaos wild
+Reigned where these Heavens now roll, where Earth now rests
+Upon her center poised; when on a day
+(For time, though in eternity, applied
+To motion, measures all things durable
+By present, past, and future,) on such day
+As Heaven's great year brings forth, the empyreal host
+Of Angels by imperial summons called,
+Innumerable before the Almighty's throne
+Forthwith, from all the ends of Heaven, appeared
+Under their Hierarchs in orders bright:
+Ten thousand thousand ensigns high advanced,
+Standards and gonfalons 'twixt van and rear
+Stream in the air, and for distinction serve
+Of hierarchies, of orders, and degrees;
+Or in their glittering tissues bear imblazed
+Holy memorials, acts of zeal and love
+Recorded eminent.  Thus when in orbs
+Of circuit inexpressible they stood,
+Orb within orb, the Father Infinite,
+By whom in bliss imbosomed sat the Son,
+Amidst as from a flaming mount, whose top
+Brightness had made invisible, thus spake.
+Hear, all ye Angels, progeny of light,
+Thrones, Dominations, Princedoms, Virtues, Powers;
+Hear my decree, which unrevoked shall stand.
+This day I have begot whom I declare
+My only Son, and on this holy hill
+Him have anointed, whom ye now behold
+At my right hand; your head I him appoint;
+And by myself have sworn, to him shall bow
+All knees in Heaven, and shall confess him Lord:
+Under his great vice-gerent reign abide
+United, as one individual soul,
+For ever happy:  Him who disobeys,
+Me disobeys, breaks union, and that day,
+Cast out from God and blessed vision, falls
+Into utter darkness, deep ingulfed, his place
+Ordained without redemption, without end.
+So spake the Omnipotent, and with his words
+All seemed well pleased; all seemed, but were not all.
+That day, as other solemn days, they spent
+In song and dance about the sacred hill;
+Mystical dance, which yonder starry sphere
+Of planets, and of fixed, in all her wheels
+Resembles nearest, mazes intricate,
+Eccentrick, intervolved, yet regular
+Then most, when most irregular they seem;
+And in their motions harmony divine
+So smooths her charming tones, that God's own ear
+Listens delighted.  Evening now approached,
+(For we have also our evening and our morn,
+We ours for change delectable, not need;)
+Forthwith from dance to sweet repast they turn
+Desirous; all in circles as they stood,
+Tables are set, and on a sudden piled
+With Angels food, and rubied nectar flows
+In pearl, in diamond, and massy gold,
+Fruit of delicious vines, the growth of Heaven.
+On flowers reposed, and with fresh flowerets crowned,
+They eat, they drink, and in communion sweet
+Quaff immortality and joy, secure
+Of surfeit, where full measure only bounds
+Excess, before the all-bounteous King, who showered
+With copious hand, rejoicing in their joy.
+Now when ambrosial night with clouds exhaled
+From that high mount of God, whence light and shade
+Spring both, the face of brightest Heaven had changed
+To grateful twilight, (for night comes not there
+In darker veil,) and roseat dews disposed
+All but the unsleeping eyes of God to rest;
+Wide over all the plain, and wider far
+Than all this globous earth in plain outspread,
+(Such are the courts of God) the angelick throng,
+Dispersed in bands and files, their camp extend
+By living streams among the trees of life,
+Pavilions numberless, and sudden reared,
+Celestial tabernacles, where they slept
+Fanned with cool winds; save those, who, in their course,
+Melodious hymns about the sovran throne
+Alternate all night long: but not so waked
+Satan; so call him now, his former name
+Is heard no more in Heaven; he of the first,
+If not the first Arch-Angel, great in power,
+In favour and pre-eminence, yet fraught
+With envy against the Son of God, that day
+Honoured by his great Father, and proclaimed
+Messiah King anointed, could not bear
+Through pride that sight, and thought himself impaired.
+Deep malice thence conceiving and disdain,
+Soon as midnight brought on the dusky hour
+Friendliest to sleep and silence, he resolved
+With all his legions to dislodge, and leave
+Unworshipt, unobeyed, the throne supreme,
+Contemptuous; and his next subordinate
+Awakening, thus to him in secret spake.
+Sleepest thou, Companion dear?  What sleep can close
+Thy eye-lids? and rememberest what decree
+Of yesterday, so late hath passed the lips
+Of Heaven's Almighty.  Thou to me thy thoughts
+Wast wont, I mine to thee was wont to impart;
+Both waking we were one; how then can now
+Thy sleep dissent?  New laws thou seest imposed;
+New laws from him who reigns, new minds may raise
+In us who serve, new counsels to debate
+What doubtful may ensue:  More in this place
+To utter is not safe.  Assemble thou
+Of all those myriads which we lead the chief;
+Tell them, that by command, ere yet dim night
+Her shadowy cloud withdraws, I am to haste,
+And all who under me their banners wave,
+Homeward, with flying march, where we possess
+The quarters of the north; there to prepare
+Fit entertainment to receive our King,
+The great Messiah, and his new commands,
+Who speedily through all the hierarchies
+Intends to pass triumphant, and give laws.
+So spake the false Arch-Angel, and infused
+Bad influence into the unwary breast
+Of his associate:  He together calls,
+Or several one by one, the regent Powers,
+Under him Regent; tells, as he was taught,
+That the Most High commanding, now ere night,
+Now ere dim night had disincumbered Heaven,
+The great hierarchal standard was to move;
+Tells the suggested cause, and casts between
+Ambiguous words and jealousies, to sound
+Or taint integrity:  But all obeyed
+The wonted signal, and superiour voice
+Of their great Potentate; for great indeed
+His name, and high was his degree in Heaven;
+His countenance, as the morning-star that guides
+The starry flock, allured them, and with lies
+Drew after him the third part of Heaven's host.
+Mean while the Eternal eye, whose sight discerns
+Abstrusest thoughts, from forth his holy mount,
+And from within the golden lamps that burn
+Nightly before him, saw without their light
+Rebellion rising; saw in whom, how spread
+Among the sons of morn, what multitudes
+Were banded to oppose his high decree;
+And, smiling, to his only Son thus said.
+Son, thou in whom my glory I behold
+In full resplendence, Heir of all my might,
+Nearly it now concerns us to be sure
+Of our Omnipotence, and with what arms
+We mean to hold what anciently we claim
+Of deity or empire:  Such a foe
+Is rising, who intends to erect his throne
+Equal to ours, throughout the spacious north;
+Nor so content, hath in his thought to try
+In battle, what our power is, or our right.
+Let us advise, and to this hazard draw
+With speed what force is left, and all employ
+In our defence; lest unawares we lose
+This our high place, our sanctuary, our hill.
+To whom the Son with calm aspect and clear,
+Lightning divine, ineffable, serene,
+Made answer.  Mighty Father, thou thy foes
+Justly hast in derision, and, secure,
+Laughest at their vain designs and tumults vain,
+Matter to me of glory, whom their hate
+Illustrates, when they see all regal power
+Given me to quell their pride, and in event
+Know whether I be dextrous to subdue
+Thy rebels, or be found the worst in Heaven.
+So spake the Son; but Satan, with his Powers,
+Far was advanced on winged speed; an host
+Innumerable as the stars of night,
+Or stars of morning, dew-drops, which the sun
+Impearls on every leaf and every flower.
+Regions they passed, the mighty regencies
+Of Seraphim, and Potentates, and Thrones,
+In their triple degrees; regions to which
+All thy dominion, Adam, is no more
+Than what this garden is to all the earth,
+And all the sea, from one entire globose
+Stretched into longitude; which having passed,
+At length into the limits of the north
+They came; and Satan to his royal seat
+High on a hill, far blazing, as a mount
+Raised on a mount, with pyramids and towers
+From diamond quarries hewn, and rocks of gold;
+The palace of great Lucifer, (so call
+That structure in the dialect of men
+Interpreted,) which not long after, he
+Affecting all equality with God,
+In imitation of that mount whereon
+Messiah was declared in sight of Heaven,
+The Mountain of the Congregation called;
+For thither he assembled all his train,
+Pretending so commanded to consult
+About the great reception of their King,
+Thither to come, and with calumnious art
+Of counterfeited truth thus held their ears.
+Thrones, Dominations, Princedoms, Virtues, Powers;
+If these magnifick titles yet remain
+Not merely titular, since by decree
+Another now hath to himself engrossed
+All power, and us eclipsed under the name
+Of King anointed, for whom all this haste
+Of midnight-march, and hurried meeting here,
+This only to consult how we may best,
+With what may be devised of honours new,
+Receive him coming to receive from us
+Knee-tribute yet unpaid, prostration vile!
+Too much to one! but double how endured,
+To one, and to his image now proclaimed?
+But what if better counsels might erect
+Our minds, and teach us to cast off this yoke?
+Will ye submit your necks, and choose to bend
+The supple knee?  Ye will not, if I trust
+To know ye right, or if ye know yourselves
+Natives and sons of Heaven possessed before
+By none; and if not equal all, yet free,
+Equally free; for orders and degrees
+Jar not with liberty, but well consist.
+Who can in reason then, or right, assume
+Monarchy over such as live by right
+His equals, if in power and splendour less,
+In freedom equal? or can introduce
+Law and edict on us, who without law
+Err not? much less for this to be our Lord,
+And look for adoration, to the abuse
+Of those imperial titles, which assert
+Our being ordained to govern, not to serve.
+Thus far his bold discourse without controul
+Had audience; when among the Seraphim
+Abdiel, than whom none with more zeal adored
+The Deity, and divine commands obeyed,
+Stood up, and in a flame of zeal severe
+The current of his fury thus opposed.
+O argument blasphemous, false, and proud!
+Words which no ear ever to hear in Heaven
+Expected, least of all from thee,  Ingrate,
+In place thyself so high above thy peers.
+Canst thou with impious obloquy condemn
+The just decree of God, pronounced and sworn,
+That to his only Son, by right endued
+With regal scepter, every soul in Heaven
+Shall bend the knee, and in that honour due
+Confess him rightful King? unjust, thou sayest,
+Flatly unjust, to bind with laws the free,
+And equal over equals to let reign,
+One over all with unsucceeded power.
+Shalt thou give law to God? shalt thou dispute
+With him the points of liberty, who made
+Thee what thou art, and formed the Powers of Heaven
+Such as he pleased, and circumscribed their being?
+Yet, by experience taught, we know how good,
+And of our good and of our dignity
+How provident he is; how far from thought
+To make us less, bent rather to exalt
+Our happy state, under one head more near
+United.  But to grant it thee unjust,
+That equal over equals monarch reign:
+Thyself, though great and glorious, dost thou count,
+Or all angelick nature joined in one,
+Equal to him begotten Son? by whom,
+As by his Word, the Mighty Father made
+All things, even thee; and all the Spirits of Heaven
+By him created in their bright degrees,
+Crowned them with glory, and to their glory named
+Thrones, Dominations, Princedoms, Virtues, Powers,
+Essential Powers; nor by his reign obscured,
+But more illustrious made; since he the head
+One of our number thus reduced becomes;
+His laws our laws; all honour to him done
+Returns our own.  Cease then this impious rage,
+And tempt not these; but hasten to appease
+The incensed Father, and the incensed Son,
+While pardon may be found in time besought.
+So spake the fervent Angel; but his zeal
+None seconded, as out of season judged,
+Or singular and rash:  Whereat rejoiced
+The Apostate, and, more haughty, thus replied.
+That we were formed then sayest thou? and the work
+Of secondary hands, by task transferred
+From Father to his Son? strange point and new!
+Doctrine which we would know whence learned: who saw
+When this creation was? rememberest thou
+Thy making, while the Maker gave thee being?
+We know no time when we were not as now;
+Know none before us, self-begot, self-raised
+By our own quickening power, when fatal course
+Had circled his full orb, the birth mature
+Of this our native Heaven, ethereal sons.
+Our puissance is our own; our own right hand
+Shall teach us highest deeds, by proof to try
+Who is our equal:  Then thou shalt behold
+Whether by supplication we intend
+Address, and to begirt the almighty throne
+Beseeching or besieging.  This report,
+These tidings carry to the anointed King;
+And fly, ere evil intercept thy flight.
+He said; and, as the sound of waters deep,
+Hoarse murmur echoed to his words applause
+Through the infinite host; nor less for that
+The flaming Seraph fearless, though alone
+Encompassed round with foes, thus answered bold.
+O alienate from God, O Spirit accursed,
+Forsaken of all good!  I see thy fall
+Determined, and thy hapless crew involved
+In this perfidious fraud, contagion spread
+Both of thy crime and punishment:  Henceforth
+No more be troubled how to quit the yoke
+Of God's Messiah; those indulgent laws
+Will not be now vouchsafed; other decrees
+Against thee are gone forth without recall;
+That golden scepter, which thou didst reject,
+Is now an iron rod to bruise and break
+Thy disobedience.  Well thou didst advise;
+Yet not for thy advice or threats I fly
+These wicked tents devoted, lest the wrath
+Impendent, raging into sudden flame,
+Distinguish not:  For soon expect to feel
+His thunder on thy head, devouring fire.
+Then who created thee lamenting learn,
+When who can uncreate thee thou shalt know.
+So spake the Seraph Abdiel, faithful found
+Among the faithless, faithful only he;
+Among innumerable false, unmoved,
+Unshaken, unseduced, unterrified,
+His loyalty he kept, his love, his zeal;
+Nor number, nor example, with him wrought
+To swerve from truth, or change his constant mind,
+Though single.  From amidst them forth he passed,
+Long way through hostile scorn, which he sustained
+Superiour, nor of violence feared aught;
+And, with retorted scorn, his back he turned
+On those proud towers to swift destruction doomed.
+
+
+
+Book VI
+
+
+All night the dreadless Angel, unpursued,
+Through Heaven's wide champain held his way; till Morn,
+Waked by the circling Hours, with rosy hand
+Unbarred the gates of light.  There is a cave
+Within the mount of God, fast by his throne,
+Where light and darkness in perpetual round
+Lodge and dislodge by turns, which makes through Heaven
+Grateful vicissitude, like day and night;
+Light issues forth, and at the other door
+Obsequious darkness enters, till her hour
+To veil the Heaven, though darkness there might well
+Seem twilight here:  And now went forth the Morn
+Such as in highest Heaven arrayed in gold
+Empyreal; from before her vanished Night,
+Shot through with orient beams; when all the plain
+Covered with thick embattled squadrons bright,
+Chariots, and flaming arms, and fiery steeds,
+Reflecting blaze on blaze, first met his view:
+War he perceived, war in procinct; and found
+Already known what he for news had thought
+To have reported:  Gladly then he mixed
+Among those friendly Powers, who him received
+With joy and acclamations loud, that one,
+That of so many myriads fallen, yet one
+Returned not lost.  On to the sacred hill
+They led him high applauded, and present
+Before the seat supreme; from whence a voice,
+From midst a golden cloud, thus mild was heard.
+Servant of God. Well done; well hast thou fought
+The better fight, who single hast maintained
+Against revolted multitudes the cause
+Of truth, in word mightier than they in arms;
+And for the testimony of truth hast borne
+Universal reproach, far worse to bear
+Than violence; for this was all thy care
+To stand approved in sight of God, though worlds
+Judged thee perverse:  The easier conquest now
+Remains thee, aided by this host of friends,
+Back on thy foes more glorious to return,
+Than scorned thou didst depart; and to subdue
+By force, who reason for their law refuse,
+Right reason for their law, and for their King
+Messiah, who by right of merit reigns.
+Go, Michael, of celestial armies prince,
+And thou, in military prowess next,
+Gabriel, lead forth to battle these my sons
+Invincible; lead forth my armed Saints,
+By thousands and by millions, ranged for fight,
+Equal in number to that Godless crew
+Rebellious:  Them with fire and hostile arms
+Fearless assault; and, to the brow of Heaven
+Pursuing, drive them out from God and bliss,
+Into their place of punishment, the gulf
+Of Tartarus, which ready opens wide
+His fiery Chaos to receive their fall.
+So spake the Sovran Voice, and clouds began
+To darken all the hill, and smoke to roll
+In dusky wreaths, reluctant flames, the sign
+Of wrath awaked; nor with less dread the loud
+Ethereal trumpet from on high 'gan blow:
+At which command the Powers militant,
+That stood for Heaven, in mighty quadrate joined
+Of union irresistible, moved on
+In silence their bright legions, to the sound
+Of instrumental harmony, that breathed
+Heroick ardour to adventurous deeds
+Under their God-like leaders, in the cause
+Of God and his Messiah.  On they move
+Indissolubly firm; nor obvious hill,
+Nor straitening vale, nor wood, nor stream, divides
+Their perfect ranks; for high above the ground
+Their march was, and the passive air upbore
+Their nimble tread; as when the total kind
+Of birds, in orderly array on wing,
+Came summoned over Eden to receive
+Their names of thee; so over many a tract
+Of Heaven they marched, and many a province wide,
+Tenfold the length of this terrene:  At last,
+Far in the horizon to the north appeared
+From skirt to skirt a fiery region, stretched
+In battailous aspect, and nearer view
+Bristled with upright beams innumerable
+Of rigid spears, and helmets thronged, and shields
+Various, with boastful argument portrayed,
+The banded Powers of Satan hasting on
+With furious expedition; for they weened
+That self-same day, by fight or by surprise,
+To win the mount of God, and on his throne
+To set the Envier of his state, the proud
+Aspirer; but their thoughts proved fond and vain
+In the mid way:  Though strange to us it seemed
+At first, that Angel should with Angel war,
+And in fierce hosting meet, who wont to meet
+So oft in festivals of joy and love
+Unanimous, as sons of one great Sire,
+Hymning the Eternal Father:  But the shout
+Of battle now began, and rushing sound
+Of onset ended soon each milder thought.
+High in the midst, exalted as a God,
+The Apostate in his sun-bright chariot sat,
+Idol of majesty divine, enclosed
+With flaming Cherubim, and golden shields;
+Then lighted from his gorgeous throne, for now
+"twixt host and host but narrow space was left,
+A dreadful interval, and front to front
+Presented stood in terrible array
+Of hideous length:  Before the cloudy van,
+On the rough edge of battle ere it joined,
+Satan, with vast and haughty strides advanced,
+Came towering, armed in adamant and gold;
+Abdiel that sight endured not, where he stood
+Among the mightiest, bent on highest deeds,
+And thus his own undaunted heart explores.
+O Heaven! that such resemblance of the Highest
+Should yet remain, where faith and realty
+Remain not:  Wherefore should not strength and might
+There fail where virtue fails, or weakest prove
+Where boldest, though to fight unconquerable?
+His puissance, trusting in the Almighty's aid,
+I mean to try, whose reason I have tried
+Unsound and false; nor is it aught but just,
+That he, who in debate of truth hath won,
+Should win in arms, in both disputes alike
+Victor; though brutish that contest and foul,
+When reason hath to deal with force, yet so
+Most reason is that reason overcome.
+So pondering, and from his armed peers
+Forth stepping opposite, half-way he met
+His daring foe, at this prevention more
+Incensed, and thus securely him defied.
+Proud, art thou met? thy hope was to have reached
+The highth of thy aspiring unopposed,
+The throne of God unguarded, and his side
+Abandoned, at the terrour of thy power
+Or potent tongue:  Fool!not to think how vain
+Against the Omnipotent to rise in arms;
+Who out of smallest things could, without end,
+Have raised incessant armies to defeat
+Thy folly; or with solitary hand
+Reaching beyond all limit, at one blow,
+Unaided, could have finished thee, and whelmed
+Thy legions under darkness:  But thou seest
+All are not of thy train; there be, who faith
+Prefer, and piety to God, though then
+To thee not visible, when I alone
+Seemed in thy world erroneous to dissent
+From all:  My sect thou seest;now learn too late
+How few sometimes may know, when thousands err.
+Whom the grand foe, with scornful eye askance,
+Thus answered.  Ill for thee, but in wished hour
+Of my revenge, first sought for, thou returnest
+From flight, seditious Angel! to receive
+Thy merited reward, the first assay
+Of this right hand provoked, since first that tongue,
+Inspired with contradiction, durst oppose
+A third part of the Gods, in synod met
+Their deities to assert; who, while they feel
+Vigour divine within them, can allow
+Omnipotence to none.  But well thou comest
+Before thy fellows, ambitious to win
+From me some plume, that thy success may show
+Destruction to the rest:  This pause between,
+(Unanswered lest thou boast) to let thee know,
+At first I thought that Liberty and Heaven
+To heavenly souls had been all one; but now
+I see that most through sloth had rather serve,
+Ministring Spirits, trained up in feast and song!
+Such hast thou armed, the minstrelsy of Heaven,
+Servility with freedom to contend,
+As both their deeds compared this day shall prove.
+To whom in brief thus Abdiel stern replied.
+Apostate! still thou errest, nor end wilt find
+Of erring, from the path of truth remote:
+Unjustly thou depravest it with the name
+Of servitude, to serve whom God ordains,
+Or Nature:  God and Nature bid the same,
+When he who rules is worthiest, and excels
+Them whom he governs.  This is servitude,
+To serve the unwise, or him who hath rebelled
+Against his worthier, as thine now serve thee,
+Thyself not free, but to thyself enthralled;
+Yet lewdly darest our ministring upbraid.
+Reign thou in Hell, thy kingdom; let me serve
+In Heaven God ever blest, and his divine
+Behests obey, worthiest to be obeyed;
+Yet chains in Hell, not realms, expect:  Mean while
+From me returned, as erst thou saidst, from flight,
+This greeting on thy impious crest receive.
+So saying, a noble stroke he lifted high,
+Which hung not, but so swift with tempest fell
+On the proud crest of Satan, that no sight,
+Nor motion of swift thought, less could his shield,
+Such ruin intercept:  Ten paces huge
+He back recoiled; the tenth on bended knee
+His massy spear upstaid; as if on earth
+Winds under ground, or waters forcing way,
+Sidelong had pushed a mountain from his seat,
+Half sunk with all his pines.  Amazement seised
+The rebel Thrones, but greater rage, to see
+Thus foiled their mightiest; ours joy filled, and shout,
+Presage of victory, and fierce desire
+Of battle:  Whereat Michael bid sound
+The Arch-Angel trumpet; through the vast of Heaven
+It sounded, and the faithful armies rung
+Hosanna to the Highest:  Nor stood at gaze
+The adverse legions, nor less hideous joined
+The horrid shock.  Now storming fury rose,
+And clamour such as heard in Heaven till now
+Was never; arms on armour clashing brayed
+Horrible discord, and the madding wheels
+Of brazen chariots raged; dire was the noise
+Of conflict; over head the dismal hiss
+Of fiery darts in flaming vollies flew,
+And flying vaulted either host with fire.
+So under fiery cope together rushed
+Both battles main, with ruinous assault
+And inextinguishable rage.  All Heaven
+Resounded; and had Earth been then, all Earth
+Had to her center shook.  What wonder? when
+Millions of fierce encountering Angels fought
+On either side, the least of whom could wield
+These elements, and arm him with the force
+Of all their regions:  How much more of power
+Army against army numberless to raise
+Dreadful combustion warring, and disturb,
+Though not destroy, their happy native seat;
+Had not the Eternal King Omnipotent,
+From his strong hold of Heaven, high over-ruled
+And limited their might; though numbered such
+As each divided legion might have seemed
+A numerous host; in strength each armed hand
+A legion; led in fight, yet leader seemed
+Each warriour single as in chief, expert
+When to advance, or stand, or turn the sway
+Of battle, open when, and when to close
+The ridges of grim war:  No thought of flight,
+None of retreat, no unbecoming deed
+That argued fear; each on himself relied,
+As only in his arm the moment lay
+Of victory:  Deeds of eternal fame
+Were done, but infinite; for wide was spread
+That war and various; sometimes on firm ground
+A standing fight, then, soaring on main wing,
+Tormented all the air; all air seemed then
+Conflicting fire.  Long time in even scale
+The battle hung; till Satan, who that day
+Prodigious power had shown, and met in arms
+No equal, ranging through the dire attack
+Of fighting Seraphim confused, at length
+Saw where the sword of Michael smote, and felled
+Squadrons at once; with huge two-handed sway
+Brandished aloft, the horrid edge came down
+Wide-wasting; such destruction to withstand
+He hasted, and opposed the rocky orb
+Of tenfold adamant, his ample shield,
+A vast circumference.  At his approach
+The great Arch-Angel from his warlike toil
+Surceased, and glad, as hoping here to end
+Intestine war in Heaven, the arch-foe subdued
+Or captive dragged in chains, with hostile frown
+And visage all inflamed first thus began.
+Author of evil, unknown till thy revolt,
+Unnamed in Heaven, now plenteous as thou seest
+These acts of hateful strife, hateful to all,
+Though heaviest by just measure on thyself,
+And thy  adherents:  How hast thou disturbed
+Heaven's blessed peace, and into nature brought
+Misery, uncreated till the crime
+Of thy rebellion! how hast thou instilled
+Thy malice into thousands, once upright
+And faithful, now proved false!  But think not here
+To trouble holy rest; Heaven casts thee out
+From all her confines.  Heaven, the seat of bliss,
+Brooks not the works of violence and war.
+Hence then, and evil go with thee along,
+Thy offspring, to the place of evil, Hell;
+Thou and thy wicked crew! there mingle broils,
+Ere this avenging sword begin thy doom,
+Or some more sudden vengeance, winged from God,
+Precipitate thee with augmented pain.
+So spake the Prince of Angels; to whom thus
+The Adversary.  Nor think thou with wind
+Of aery threats to awe whom yet with deeds
+Thou canst not.  Hast thou turned the least of these
+To flight, or if to fall, but that they rise
+Unvanquished, easier to transact with me
+That thou shouldst hope, imperious, and with threats
+To chase me hence? err not, that so shall end
+The strife which thou callest evil, but we style
+The strife of glory; which we mean to win,
+Or turn this Heaven itself into the Hell
+Thou fablest; here however to dwell free,
+If not to reign:  Mean while thy utmost force,
+And join him named Almighty to thy aid,
+I fly not, but have sought thee far and nigh.
+They ended parle, and both addressed for fight
+Unspeakable; for who, though with the tongue
+Of Angels, can relate, or to what things
+Liken on earth conspicuous, that may lift
+Human imagination to such highth
+Of Godlike power? for likest Gods they seemed,
+Stood they or moved, in stature, motion, arms,
+Fit to decide the empire of great Heaven.
+Now waved their fiery swords, and in the air
+Made horrid circles; two broad suns their shields
+Blazed opposite, while Expectation stood
+In horrour:  From each hand with speed retired,
+Where erst was thickest fight, the angelick throng,
+And left large field, unsafe within the wind
+Of such commotion; such as, to set forth
+Great things by small, if, nature's concord broke,
+Among the constellations war were sprung,
+Two planets, rushing from aspect malign
+Of fiercest opposition, in mid sky
+Should combat, and their jarring spheres confound.
+Together both with next to almighty arm
+Up-lifted imminent, one stroke they aimed
+That might determine, and not need repeat,
+As not of power at once; nor odds appeared
+In might or swift prevention:  But the sword
+Of Michael from the armoury of God
+Was given him tempered so, that neither keen
+Nor solid might resist that edge: it met
+The sword of Satan, with steep force to smite
+Descending, and in half cut sheer; nor staid,
+But with swift wheel reverse, deep entering, shared
+All his right side:  Then Satan first knew pain,
+And writhed him to and fro convolved; so sore
+The griding sword with discontinuous wound
+Passed through him:  But the ethereal substance closed,
+Not long divisible; and from the gash
+A stream of necturous humour issuing flowed
+Sanguine, such as celestial Spirits may bleed,
+And all his armour stained, ere while so bright.
+Forthwith on all sides to his aid was run
+By Angels many and strong, who interposed
+Defence, while others bore him on their shields
+Back to his chariot, where it stood retired
+From off the files of war:  There they him laid
+Gnashing for anguish, and despite, and shame,
+To find himself not matchless, and his pride
+Humbled by such rebuke, so far beneath
+His confidence to equal God in power.
+Yet soon he healed; for Spirits that live throughout
+Vital in every part, not as frail man
+In entrails, heart of head, liver or reins,
+Cannot but by annihilating die;
+Nor in their liquid texture mortal wound
+Receive, no more than can the fluid air:
+All heart they live, all head, all eye, all ear,
+All intellect, all sense; and, as they please,
+They limb themselves, and colour, shape, or size
+Assume, as?kikes them best, condense or rare.
+Mean while in other parts like deeds deserved
+Memorial, where the might of Gabriel fought,
+And with fierce ensigns pierced the deep array
+Of Moloch, furious king; who him defied,
+And at his chariot-wheels to drag him bound
+Threatened, nor from the Holy One of Heaven
+Refrained his tongue blasphemous; but anon
+Down cloven to the waist, with shattered arms
+And uncouth pain fled bellowing.  On each wing
+Uriel, and Raphael, his vaunting foe,
+Though huge, and in a rock of diamond armed,
+Vanquished Adramelech, and Asmadai,
+Two potent Thrones, that to be less than Gods
+Disdained, but meaner thoughts learned in their flight,
+Mangled with ghastly wounds through plate and mail.
+Nor stood unmindful Abdiel to annoy
+The atheist crew, but with redoubled blow
+Ariel, and Arioch, and the violence
+Of Ramiel scorched and blasted, overthrew.
+I might relate of thousands, and their names
+Eternize here on earth; but those elect
+Angels, contented with their fame in Heaven,
+Seek not the praise of men:  The other sort,
+In might though wonderous and in acts of war,
+Nor of renown less eager, yet by doom
+Cancelled from Heaven and sacred memory,
+Nameless in dark oblivion let them dwell.
+For strength from truth divided, and from just,
+Illaudable, nought merits but dispraise
+And ignominy; yet to glory aspires
+Vain-glorious, and through infamy seeks fame:
+Therefore eternal silence be their doom.
+And now, their mightiest quelled, the battle swerved,
+With many an inroad gored; deformed rout
+Entered, and foul disorder; all the ground
+With shivered armour strown, and on a heap
+Chariot and charioteer lay overturned,
+And fiery-foaming steeds; what stood, recoiled
+O'er-wearied, through the faint Satanick host
+Defensive scarce, or with pale fear surprised,
+Then first with fear surprised, and sense of pain,
+Fled ignominious, to such evil brought
+By sin of disobedience; till that hour
+Not liable to fear, or flight, or pain.
+Far otherwise the inviolable Saints,
+In cubick phalanx firm, advanced entire,
+Invulnerable, impenetrably armed;
+Such high advantages their innocence
+Gave them above their foes; not to have sinned,
+Not to have disobeyed; in fight they stood
+Unwearied, unobnoxious to be pained
+By wound, though from their place by violence moved,
+Now Night her course began, and, over Heaven
+Inducing darkness, grateful truce imposed,
+And silence on the odious din of war:
+Under her cloudy covert both retired,
+Victor and vanquished:  On the foughten field
+Michael and his Angels prevalent
+Encamping, placed in guard their watches round,
+Cherubick waving fires:  On the other part,
+Satan with his rebellious disappeared,
+Far in the dark dislodged; and, void of rest,
+His potentates to council called by night;
+And in the midst thus undismayed began.
+O now in danger tried, now known in arms
+Not to be overpowered, Companions dear,
+Found worthy not of liberty alone,
+Too mean pretence! but what we more affect,
+Honour, dominion, glory, and renown;
+Who have sustained one day in doubtful fight,
+(And if one day, why not eternal days?)
+What Heaven's Lord had powerfullest to send
+Against us from about his throne, and judged
+Sufficient to subdue us to his will,
+But proves not so:  Then fallible, it seems,
+Of future we may deem him, though till now
+Omniscient thought.  True is, less firmly armed,
+Some disadvantage we endured and pain,
+Till now not known, but, known, as soon contemned;
+Since now we find this our empyreal form
+Incapable of mortal injury,
+Imperishable, and, though pierced with wound,
+Soon closing, and by native vigour healed.
+Of evil then so small as easy think
+The remedy; perhaps more valid arms,
+Weapons more violent, when next we meet,
+May serve to better us, and worse our foes,
+Or equal what between us made the odds,
+In nature none:  If other hidden cause
+Left them superiour, while we can preserve
+Unhurt our minds, and understanding sound,
+Due search and consultation will disclose.
+He sat; and in the assembly next upstood
+Nisroch, of Principalities the prime;
+As one he stood escaped from cruel fight,
+Sore toiled, his riven arms to havock hewn,
+And cloudy in aspect thus answering spake.
+Deliverer from new Lords, leader to free
+Enjoyment of our right as Gods; yet hard
+For Gods, and too unequal work we find,
+Against unequal arms to fight in pain,
+Against unpained, impassive; from which evil
+Ruin must needs ensue; for what avails
+Valour or strength, though matchless, quelled with pain
+Which all subdues, and makes remiss the hands
+Of mightiest?  Sense of pleasure we may well
+Spare out of life perhaps, and not repine,
+But live content, which is the calmest life:
+But pain is perfect misery, the worst
+Of evils, and, excessive, overturns
+All patience.  He, who therefore can invent
+With what more forcible we may offend
+Our yet unwounded enemies, or arm
+Ourselves with like defence, to me deserves
+No less than for deliverance what we owe.
+Whereto with look composed Satan replied.
+Not uninvented that, which thou aright
+Believest so main to our success, I bring.
+Which of us who beholds the bright surface
+Of this ethereous mould whereon we stand,
+This continent of spacious Heaven, adorned
+With plant, fruit, flower ambrosial, gems, and gold;
+Whose eye so superficially surveys
+These things, as not to mind from whence they grow
+Deep under ground, materials dark and crude,
+Of spiritous and fiery spume, till touched
+With Heaven's ray, and tempered, they shoot forth
+So beauteous, opening to the ambient light?
+These in their dark nativity the deep
+Shall yield us, pregnant with infernal flame;
+Which, into hollow engines, long and round,
+Thick rammed, at the other bore with touch of fire
+Dilated and infuriate, shall send forth
+From far, with thundering noise, among our foes
+Such implements of mischief, as shall dash
+To pieces, and o'erwhelm whatever stands
+Adverse, that they shall fear we have disarmed
+The Thunderer of his only dreaded bolt.
+Nor long shall be our labour; yet ere dawn,
+Effect shall end our wish.  Mean while revive;
+Abandon fear; to strength and counsel joined
+Think nothing hard, much less to be despaired.
+He ended, and his words their drooping cheer
+Enlightened, and their languished hope revived.
+The invention all admired, and each, how he
+To be the inventer missed; so easy it seemed
+Once found, which yet unfound most would have thought
+Impossible:  Yet, haply, of thy race
+In future days, if malice should abound,
+Some one intent on mischief, or inspired
+With devilish machination, might devise
+Like instrument to plague the sons of men
+For sin, on war and mutual slaughter bent.
+Forthwith from council to the work they flew;
+None arguing stood; innumerable hands
+Were ready; in a moment up they turned
+Wide the celestial soil, and saw beneath
+The originals of nature in their crude
+Conception; sulphurous and nitrous foam
+They found, they mingled, and, with subtle art,
+Concocted and adusted they reduced
+To blackest grain, and into store conveyed:
+Part hidden veins digged up (nor hath this earth
+Entrails unlike) of mineral and stone,
+Whereof to found their engines and their balls
+Of missive ruin; part incentive reed
+Provide, pernicious with one touch to fire.
+So all ere day-spring, under conscious night,
+Secret they finished, and in order set,
+With silent circumspection, unespied.
+Now when fair morn orient in Heaven appeared,
+Up rose the victor-Angels, and to arms
+The matin trumpet sung:  In arms they stood
+Of golden panoply, refulgent host,
+Soon banded; others from the dawning hills
+Look round, and scouts each coast light-armed scour,
+Each quarter to descry the distant foe,
+Where lodged, or whither fled, or if for fight,
+In motion or in halt:  Him soon they met
+Under spread ensigns moving nigh, in slow
+But firm battalion; back with speediest sail
+Zophiel, of Cherubim the swiftest wing,
+Came flying, and in mid air aloud thus cried.
+Arm, Warriours, arm for fight; the foe at hand,
+Whom fled we thought, will save us long pursuit
+This day; fear not his flight;so thick a cloud
+He comes, and settled in his face I see
+Sad resolution, and secure:  Let each
+His adamantine coat gird well, and each
+Fit well his helm, gripe fast his orbed shield,
+Borne even or high; for this day will pour down,
+If I conjecture aught, no drizzling shower,
+But rattling storm of arrows barbed with fire.
+So warned he them, aware themselves, and soon
+In order, quit of all impediment;
+Instant without disturb they took alarm,
+And onward moved embattled:  When behold!
+Not distant far with heavy pace the foe
+Approaching gross and huge, in hollow cube
+Training his devilish enginery, impaled
+On every side with shadowing squadrons deep,
+To hide the fraud.  At interview both stood
+A while; but suddenly at head appeared
+Satan, and thus was heard commanding loud.
+Vanguard, to right and left the front unfold;
+That all may see who hate us, how we seek
+Peace and composure, and with open breast
+Stand ready to receive them, if they like
+Our overture; and turn not back perverse:
+But that I doubt; however witness, Heaven!
+Heaven, witness thou anon! while we discharge
+Freely our part: ye, who appointed stand
+Do as you have in charge, and briefly touch
+What we propound, and loud that all may hear!
+So scoffing in ambiguous words, he scarce
+Had ended; when to right and left the front
+Divided, and to either flank retired:
+Which to our eyes discovered, new and strange,
+A triple mounted row of pillars laid
+On wheels (for like to pillars most they seemed,
+Or hollowed bodies made of oak or fir,
+With branches lopt, in wood or mountain felled,)
+Brass, iron, stony mould, had not their mouths
+With hideous orifice gaped on us wide,
+Portending hollow truce:  At each behind
+A Seraph stood, and in his hand a reed
+Stood waving tipt with fire; while we, suspense,
+Collected stood within our thoughts amused,
+Not long; for sudden all at once their reeds
+Put forth, and to a narrow vent applied
+With nicest touch.  Immediate in a flame,
+But soon obscured with smoke, all Heaven appeared,
+From those deep-throated engines belched, whose roar
+Embowelled with outrageous noise the air,
+And all her entrails tore, disgorging foul
+Their devilish glut, chained thunderbolts and hail
+Of iron globes; which, on the victor host
+Levelled, with such impetuous fury smote,
+That, whom they hit, none on their feet might stand,
+Though standing else as rocks, but down they fell
+By thousands, Angel on Arch-Angel rolled;
+The sooner for their arms; unarmed, they might
+Have easily, as Spirits, evaded swift
+By quick contraction or remove; but now
+Foul dissipation followed, and forced rout;
+Nor served it to relax their serried files.
+What should they do? if on they rushed, repulse
+Repeated, and indecent overthrow
+Doubled, would render them yet more despised,
+And to their foes a laughter; for in view
+Stood ranked of Seraphim another row,
+In posture to displode their second tire
+Of thunder:  Back defeated to return
+They worse abhorred.  Satan beheld their plight,
+And to his mates thus in derision called.
+O Friends! why come not on these victors proud
+Ere while they fierce were coming; and when we,
+To entertain them fair with open front
+And breast, (what could we more?) propounded terms
+Of composition, straight they changed their minds,
+Flew off, and into strange vagaries fell,
+As they would dance; yet for a dance they seemed
+Somewhat extravagant and wild; perhaps
+For joy of offered peace:  But I suppose,
+If our proposals once again were heard,
+We should compel them to a quick result.
+To whom thus Belial, in like gamesome mood.
+Leader! the terms we sent were terms of weight,
+Of hard contents, and full of force urged home;
+Such as we might perceive amused them all,
+And stumbled many:  Who receives them right,
+Had need from head to foot well understand;
+Not understood, this gift they have besides,
+They show us when our foes walk not upright.
+So they among themselves in pleasant vein
+Stood scoffing, hightened in their thoughts beyond
+All doubt of victory:  Eternal Might
+To match with their inventions they presumed
+So easy, and of his thunder made a scorn,
+And all his host derided, while they stood
+A while in trouble:  But they stood not long;
+Rage prompted them at length, and found them arms
+Against such hellish mischief fit to oppose.
+Forthwith (behold the excellence, the power,
+Which God hath in his mighty Angels placed!)
+Their arms away they threw, and to the hills
+(For Earth hath this variety from Heaven
+Of pleasure situate in hill and dale,)
+Light as the lightning glimpse they ran, they flew;
+From their foundations loosening to and fro,
+They plucked the seated hills, with all their load,
+Rocks, waters, woods, and by the shaggy tops
+Up-lifting bore them in their hands:  Amaze,
+Be sure, and terrour, seized the rebel host,
+When coming towards them so dread they saw
+The bottom of the mountains upward turned;
+Till on those cursed engines' triple-row
+They saw them whelmed, and all their confidence
+Under the weight of mountains buried deep;
+Themselves invaded next, and on their heads
+Main promontories flung, which in the air
+Came shadowing, and oppressed whole legions armed;
+Their armour helped their harm, crushed in and bruised
+Into their substance pent, which wrought them pain
+Implacable, and many a dolorous groan;
+Long struggling underneath, ere they could wind
+Out of such prison, though Spirits of purest light,
+Purest at first, now gross by sinning grown.
+The rest, in imitation, to like arms
+Betook them, and the neighbouring hills uptore:
+So hills amid the air encountered hills,
+Hurled to and fro with jaculation dire;
+That under ground they fought in dismal shade;
+Infernal noise! war seemed a civil game
+To this uproar; horrid confusion heaped
+Upon confusion rose:  And now all Heaven
+Had gone to wrack, with ruin overspread;
+Had not the Almighty Father, where he sits
+Shrined in his sanctuary of Heaven secure,
+Consulting on the sum of things, foreseen
+This tumult, and permitted all, advised:
+That his great purpose he might so fulfil,
+To honour his anointed Son avenged
+Upon his enemies, and to declare
+All power on him transferred:  Whence to his Son,
+The Assessour of his throne, he thus began.
+Effulgence of my glory, Son beloved,
+Son, in whose face invisible is beheld
+Visibly, what by Deity I am;
+And in whose hand what by decree I do,
+Second Omnipotence! two days are past,
+Two days, as we compute the days of Heaven,
+Since Michael and his Powers went forth to tame
+These disobedient:  Sore hath been their fight,
+As likeliest was, when two such foes met armed;
+For to themselves I left them; and thou knowest,
+Equal in their creation they were formed,
+Save what sin hath impaired; which yet hath wrought
+Insensibly, for I suspend their doom;
+Whence in perpetual fight they needs must last
+Endless, and no solution will be found:
+War wearied hath performed what war can do,
+And to disordered rage let loose the reins
+With mountains, as with weapons, armed; which makes
+Wild work in Heaven, and dangerous to the main.
+Two days are therefore past, the third is thine;
+For thee I have ordained it; and thus far
+Have suffered, that the glory may be thine
+Of ending this great war, since none but Thou
+Can end it.  Into thee such virtue and grace
+Immense I have transfused, that all may know
+In Heaven and Hell thy power above compare;
+And, this perverse commotion governed thus,
+To manifest thee worthiest to be Heir
+Of all things; to be Heir, and to be King
+By sacred unction, thy deserved right.
+Go then, Thou Mightiest, in thy Father's might;
+Ascend my chariot, guide the rapid wheels
+That shake Heaven's basis, bring forth all my war,
+My bow and thunder, my almighty arms
+Gird on, and sword upon thy puissant thigh;
+Pursue these sons of darkness, drive them out
+From all Heaven's bounds into the utter deep:
+There let them learn, as likes them, to despise
+God, and Messiah his anointed King.
+He said, and on his Son with rays direct
+Shone full; he all his Father full expressed
+Ineffably into his face received;
+And thus the Filial Godhead answering spake.
+O Father, O Supreme of heavenly Thrones,
+First, Highest, Holiest, Best; thou always seek'st
+To glorify thy Son, I always thee,
+As is most just:  This I my glory account,
+My exaltation, and my whole delight,
+That thou, in me well pleased, declarest thy will
+Fulfilled, which to fulfil is all my bliss.
+Scepter and power, thy giving, I assume,
+And gladlier shall resign, when in the end
+Thou shalt be all in all, and I in thee
+For ever; and in me all whom thou lovest:
+But whom thou hatest, I hate, and can put on
+Thy terrours, as I put thy mildness on,
+Image of thee in all things; and shall soon,
+Armed with thy might, rid Heaven of these rebelled;
+To their prepared ill mansion driven down,
+To chains of darkness, and the undying worm;
+That from thy just obedience could revolt,
+Whom to obey is happiness entire.
+Then shall thy Saints unmixed, and from the impure
+Far separate, circling thy holy mount,
+Unfeigned Halleluiahs to thee sing,
+Hymns of high praise, and I among them Chief.
+So said, he, o'er his scepter bowing, rose
+From the right hand of Glory where he sat;
+And the third sacred morn began to shine,
+Dawning through Heaven.  Forth rushed with whirlwind sound
+The chariot of Paternal Deity,
+Flashing thick flames, wheel within wheel undrawn,
+Itself instinct with Spirit, but convoyed
+By four Cherubick shapes; four faces each
+Had wonderous; as with stars, their bodies all
+And wings were set with eyes; with eyes the wheels
+Of beryl, and careering fires between;
+Over their heads a crystal firmament,
+Whereon a sapphire throne, inlaid with pure
+Amber, and colours of the showery arch.
+He, in celestial panoply all armed
+Of radiant Urim, work divinely wrought,
+Ascended; at his right hand Victory
+Sat eagle-winged; beside him hung his bow
+And quiver with three-bolted thunder stored;
+And from about him fierce effusion rolled
+Of smoke, and bickering flame, and sparkles dire:
+Attended with ten thousand thousand Saints,
+He onward came; far off his coming shone;
+And twenty thousand (I their number heard)
+Chariots of God, half on each hand, were seen;
+He on the wings of Cherub rode sublime
+On the crystalline sky, in sapphire throned,
+Illustrious far and wide; but by his own
+First seen:  Them unexpected joy surprised,
+When the great ensign of Messiah blazed
+Aloft by Angels borne, his sign in Heaven;
+Under whose conduct Michael soon reduced
+His army, circumfused on either wing,
+Under their Head imbodied all in one.
+Before him Power Divine his way prepared;
+At his command the uprooted hills retired
+Each to his place; they heard his voice, and went
+Obsequious; Heaven his wonted face renewed,
+And with fresh flowerets hill and valley smiled.
+This saw his hapless foes, but stood obdured,
+And to rebellious fight rallied their Powers,
+Insensate, hope conceiving from despair.
+In heavenly Spirits could such perverseness dwell?
+But to convince the proud what signs avail,
+Or wonders move the obdurate to relent?
+They, hardened more by what might most reclaim,
+Grieving to see his glory, at the sight
+Took envy; and, aspiring to his highth,
+Stood re-embattled fierce, by force or fraud
+Weening to prosper, and at length prevail
+Against God and Messiah, or to fall
+In universal ruin last; and now
+To final battle drew, disdaining flight,
+Or faint retreat; when the great Son of God
+To all his host on either hand thus spake.
+Stand still in bright array, ye Saints; here stand,
+Ye Angels armed; this day from battle rest:
+Faithful hath been your warfare, and of God
+Accepted, fearless in his righteous cause;
+And as ye have received, so have ye done,
+Invincibly:  But of this cursed crew
+The punishment to other hand belongs;
+Vengeance is his, or whose he sole appoints:
+Number to this day's work is not ordained,
+Nor multitude; stand only, and behold
+God's indignation on these godless poured
+By me; not you, but me, they have despised,
+Yet envied; against me is all their rage,
+Because the Father, to whom in Heaven s'preme
+Kingdom, and power, and glory appertains,
+Hath honoured me, according to his will.
+Therefore to me their doom he hath assigned;
+That they may have their wish, to try with me
+In battle which the stronger proves; they all,
+Or I alone against them; since by strength
+They measure all, of other excellence
+Not emulous, nor care who them excels;
+Nor other strife with them do I vouchsafe.
+So spake the Son, and into terrour changed
+His countenance too severe to be beheld,
+And full of wrath bent on his enemies.
+At once the Four spread out their starry wings
+With dreadful shade contiguous, and the orbs
+Of his fierce chariot rolled, as with the sound
+Of torrent floods, or of a numerous host.
+He on his impious foes right onward drove,
+Gloomy as night; under his burning wheels
+The stedfast empyrean shook throughout,
+All but the throne itself of God.  Full soon
+Among them he arrived; in his right hand
+Grasping ten thousand thunders, which he sent
+Before him, such as in their souls infixed
+Plagues:  They, astonished, all resistance lost,
+All courage; down their idle weapons dropt:
+O'er shields, and helms, and helmed heads he rode
+Of Thrones and mighty Seraphim prostrate,
+That wished the mountains now might be again
+Thrown on them, as a shelter from his ire.
+Nor less on either side tempestuous fell
+His arrows, from the fourfold-visaged Four
+Distinct with eyes, and from the living wheels
+Distinct alike with multitude of eyes;
+One Spirit in them ruled; and every eye
+Glared lightning, and shot forth pernicious fire
+Among the accursed, that withered all their strength,
+And of their wonted vigour left them drained,
+Exhausted, spiritless, afflicted, fallen.
+Yet half his strength he put not forth, but checked
+His thunder in mid volley; for he meant
+Not to destroy, but root them out of Heaven:
+The overthrown he raised, and as a herd
+Of goats or timorous flock together thronged
+Drove them before him thunder-struck, pursued
+With terrours, and with furies, to the bounds
+And crystal wall of Heaven; which, opening wide,
+Rolled inward, and a spacious gap disclosed
+Into the wasteful deep:  The monstrous sight
+Struck them with horrour backward, but far worse
+Urged them behind:  Headlong themselves they threw
+Down from the verge of Heaven; eternal wrath
+Burnt after them to the bottomless pit.
+Hell heard the unsufferable noise, Hell saw
+Heaven ruining from Heaven, and would have fled
+Affrighted; but strict Fate had cast too deep
+Her dark foundations, and too fast had bound.
+Nine days they fell:  Confounded Chaos roared,
+And felt tenfold confusion in their fall
+Through his wild anarchy, so huge a rout
+Incumbered him with ruin:  Hell at last
+Yawning received them whole, and on them closed;
+Hell, their fit habitation, fraught with fire
+Unquenchable, the house of woe and pain.
+Disburdened Heaven rejoiced, and soon repaired
+Her mural breach, returning whence it rolled.
+Sole victor, from the expulsion of his foes,
+Messiah his triumphal chariot turned:
+To meet him all his Saints, who silent stood
+Eye-witnesses of his almighty acts,
+With jubilee advanced; and, as they went,
+Shaded with branching palm, each Order bright,
+Sung triumph, and him sung victorious King,
+Son, Heir, and Lord, to him dominion given,
+Worthiest to reign:  He, celebrated, rode
+Triumphant through mid Heaven, into the courts
+And temple of his Mighty Father throned
+On high; who into glory him received,
+Where now he sits at the right hand of bliss.
+Thus, measuring things in Heaven by things on Earth,
+At thy request, and that thou mayest beware
+By what is past, to thee I have revealed
+What might have else to human race been hid;
+The discord which befel, and war in Heaven
+Among the angelick Powers, and the deep fall
+Of those too high aspiring, who rebelled
+With Satan; he who envies now thy state,
+Who now is plotting how he may seduce
+Thee also from obedience, that, with him
+Bereaved of happiness, thou mayest partake
+His punishment, eternal misery;
+Which would be all his solace and revenge,
+As a despite done against the Most High,
+Thee once to gain companion of his woe.
+But listen not to his temptations, warn
+Thy weaker; let it profit thee to have heard,
+By terrible example, the reward
+Of disobedience; firm they might have stood,
+Yet fell; remember, and fear to transgress.
+
+
+
+Book VII
+
+
+Descend from Heaven, Urania, by that name
+If rightly thou art called, whose voice divine
+Following, above the Olympian hill I soar,
+Above the flight of Pegasean wing!
+The meaning, not the name, I call: for thou
+Nor of the Muses nine, nor on the top
+Of old Olympus dwellest; but, heavenly-born,
+Before the hills appeared, or fountain flowed,
+Thou with eternal Wisdom didst converse,
+Wisdom thy sister, and with her didst play
+In presence of the Almighty Father, pleased
+With thy celestial song.  Up led by thee
+Into the Heaven of Heavens I have presumed,
+An earthly guest, and drawn empyreal air,
+Thy tempering: with like safety guided down
+Return me to my native element:
+Lest from this flying steed unreined, (as once
+Bellerophon, though from a lower clime,)
+Dismounted, on the Aleian field I fall,
+Erroneous there to wander, and forlorn.
+Half yet remains unsung, but narrower bound
+Within the visible diurnal sphere;
+Standing on earth, not rapt above the pole,
+More safe I sing with mortal voice, unchanged
+To hoarse or mute, though fallen on evil days,
+On evil days though fallen, and evil tongues;
+In darkness, and with dangers compassed round,
+And solitude; yet not alone, while thou
+Visitest my slumbers nightly, or when morn
+Purples the east: still govern thou my song,
+Urania, and fit audience find, though few.
+But drive far off the barbarous dissonance
+Of Bacchus and his revellers, the race
+Of that wild rout that tore the Thracian bard
+In Rhodope, where woods and rocks had ears
+To rapture, till the savage clamour drowned
+Both harp and voice; nor could the Muse defend
+Her son.  So fail not thou, who thee implores:
+For thou art heavenly, she an empty dream.
+Say, Goddess, what ensued when Raphael,
+The affable Arch-Angel, had forewarned
+Adam, by dire example, to beware
+Apostasy, by what befel in Heaven
+To those apostates; lest the like befall
+In Paradise to Adam or his race,
+Charged not to touch the interdicted tree,
+If they transgress, and slight that sole command,
+So easily obeyed amid the choice
+Of all tastes else to please their appetite,
+Though wandering.  He, with his consorted Eve,
+The story heard attentive, and was filled
+With admiration and deep muse, to hear
+Of things so high and strange; things, to their thought
+So unimaginable, as hate in Heaven,
+And war so near the peace of God in bliss,
+With such confusion: but the evil, soon
+Driven back, redounded as a flood on those
+From whom it sprung; impossible to mix
+With blessedness.  Whence Adam soon repealed
+The doubts that in his heart arose: and now
+Led on, yet sinless, with desire to know
+What nearer might concern him, how this world
+Of Heaven and Earth conspicuous first began;
+When, and whereof created; for what cause;
+What within Eden, or without, was done
+Before his memory; as one whose drouth
+Yet scarce allayed still eyes the current stream,
+Whose liquid murmur heard new thirst excites,
+Proceeded thus to ask his heavenly guest.
+Great things, and full of wonder in our ears,
+Far differing from this world, thou hast revealed,
+Divine interpreter! by favour sent
+Down from the empyrean, to forewarn
+Us timely of what might else have been our loss,
+Unknown, which human knowledge could not reach;
+For which to the infinitely Good we owe
+Immortal thanks, and his admonishment
+Receive, with solemn purpose to observe
+Immutably his sovran will, the end
+Of what we are.  But since thou hast vouchsafed
+Gently, for our instruction, to impart
+Things above earthly thought, which yet concerned
+Our knowing, as to highest wisdom seemed,
+Deign to descend now lower, and relate
+What may no less perhaps avail us known,
+How first began this Heaven which we behold
+Distant so high, with moving fires adorned
+Innumerable; and this which yields or fills
+All space, the ambient air wide interfused
+Embracing round this floried Earth; what cause
+Moved the Creator, in his holy rest
+Through all eternity, so late to build
+In Chaos; and the work begun, how soon
+Absolved; if unforbid thou mayest unfold
+What we, not to explore the secrets ask
+Of his eternal empire, but the more
+To magnify his works, the more we know.
+And the great light of day yet wants to run
+Much of his race though steep; suspense in Heaven,
+Held by thy voice, thy potent voice, he hears,
+And longer will delay to hear thee tell
+His generation, and the rising birth
+Of Nature from the unapparent Deep:
+Or if the star of evening and the moon
+Haste to thy audience, Night with her will bring,
+Silence; and Sleep, listening to thee, will watch;
+Or we can bid his absence, till thy song
+End, and dismiss thee ere the morning shine.
+Thus Adam his illustrious guest besought:
+And thus the Godlike Angel answered mild.
+This also thy request, with caution asked,
+Obtain; though to recount almighty works
+What words or tongue of Seraph can suffice,
+Or heart of man suffice to comprehend?
+Yet what thou canst attain, which best may serve
+To glorify the Maker, and infer
+Thee also happier, shall not be withheld
+Thy hearing; such commission from above
+I have received, to answer thy desire
+Of knowledge within bounds; beyond, abstain
+To ask; nor let thine own inventions hope
+Things not revealed, which the invisible King,
+Only Omniscient, hath suppressed in night;
+To none communicable in Earth or Heaven:
+Enough is left besides to search and know.
+But knowledge is as food, and needs no less
+Her temperance over appetite, to know
+In measure what the mind may well contain;
+Oppresses else with surfeit, and soon turns
+Wisdom to folly, as nourishment to wind.
+Know then, that, after Lucifer from Heaven
+(So call him, brighter once amidst the host
+Of Angels, than that star the stars among,)
+Fell with his flaming legions through the deep
+Into his place, and the great Son returned
+Victorious with his Saints, the Omnipotent
+Eternal Father from his throne beheld
+Their multitude, and to his Son thus spake.
+At least our envious Foe hath failed, who thought
+All like himself rebellious, by whose aid
+This inaccessible high strength, the seat
+Of Deity supreme, us dispossessed,
+He trusted to have seised, and into fraud
+Drew many, whom their place knows here no more:
+Yet far the greater part have kept, I see,
+Their station; Heaven, yet populous, retains
+Number sufficient to possess her realms
+Though wide, and this high temple to frequent
+With ministeries due, and solemn rites:
+But, lest his heart exalt him in the harm
+Already done, to have dispeopled Heaven,
+My damage fondly deemed, I can repair
+That detriment, if such it be to lose
+Self-lost; and in a moment will create
+Another world, out of one man a race
+Of men innumerable, there to dwell,
+Not here; till, by degrees of merit raised,
+They open to themselves at length the way
+Up hither, under long obedience tried;
+And Earth be changed to Heaven, and Heaven to Earth,
+One kingdom, joy and union without end.
+Mean while inhabit lax, ye Powers of Heaven;
+And thou my Word, begotten Son, by thee
+This I perform; speak thou, and be it done!
+My overshadowing Spirit and Might with thee
+I send along; ride forth, and bid the Deep
+Within appointed bounds be Heaven and Earth;
+Boundless the Deep, because I Am who fill
+Infinitude, nor vacuous the space.
+Though I, uncircumscribed myself, retire,
+And put not forth my goodness, which is free
+To act or not, Necessity and Chance
+Approach not me, and what I will is Fate.
+So spake the Almighty, and to what he spake
+His Word, the Filial Godhead, gave effect.
+Immediate are the acts of God, more swift
+Than time or motion, but to human ears
+Cannot without process of speech be told,
+So told as earthly notion can receive.
+Great triumph and rejoicing was in Heaven,
+When such was heard declared the Almighty's will;
+Glory they sung to the Most High, good will
+To future men, and in their dwellings peace;
+Glory to Him, whose just avenging ire
+Had driven out the ungodly from his sight
+And the habitations of the just; to Him
+Glory and praise, whose wisdom had ordained
+Good out of evil to create; instead
+Of Spirits malign, a better race to bring
+Into their vacant room, and thence diffuse
+His good to worlds and ages infinite.
+So sang the Hierarchies:  Mean while the Son
+On his great expedition now appeared,
+Girt with Omnipotence, with radiance crowned
+Of Majesty Divine; sapience and love
+Immense, and all his Father in him shone.
+About his chariot numberless were poured
+Cherub, and Seraph, Potentates, and Thrones,
+And Virtues, winged Spirits, and chariots winged
+From the armoury of God; where stand of old
+Myriads, between two brazen mountains lodged
+Against a solemn day, harnessed at hand,
+Celestial equipage; and now came forth
+Spontaneous, for within them Spirit lived,
+Attendant on their Lord:  Heaven opened wide
+Her ever-during gates, harmonious sound
+On golden hinges moving, to let forth
+The King of Glory, in his powerful Word
+And Spirit, coming to create new worlds.
+On heavenly ground they stood; and from the shore
+They viewed the vast immeasurable abyss
+Outrageous as a sea, dark, wasteful, wild,
+Up from the bottom turned by furious winds
+And surging waves, as mountains, to assault
+Heaven's highth, and with the center mix the pole.
+Silence, ye troubled Waves, and thou Deep, peace,
+Said then the Omnifick Word; your discord end!
+Nor staid; but, on the wings of Cherubim
+Uplifted, in paternal glory rode
+Far into Chaos, and the world unborn;
+For Chaos heard his voice:  Him all his train
+Followed in bright procession, to behold
+Creation, and the wonders of his might.
+Then staid the fervid wheels, and in his hand
+He took the golden compasses, prepared
+In God's eternal store, to circumscribe
+This universe, and all created things:
+One foot he centered, and the other turned
+Round through the vast profundity obscure;
+And said, Thus far extend, thus far thy bounds,
+This be thy just circumference, O World!
+Thus God the Heaven created, thus the Earth,
+Matter unformed and void:  Darkness profound
+Covered the abyss: but on the watery calm
+His brooding wings the Spirit of God outspread,
+And vital virtue infused, and vital warmth
+Throughout the fluid mass; but downward purged
+The black tartareous cold infernal dregs,
+Adverse to life: then founded, then conglobed
+Like things to like; the rest to several place
+Disparted, and between spun out the air;
+And Earth self-balanced on her center hung.
+Let there be light, said God; and forthwith Light
+Ethereal, first of things, quintessence pure,
+Sprung from the deep; and from her native east
+To journey through the aery gloom began,
+Sphered in a radiant cloud, for yet the sun
+Was not; she in a cloudy tabernacle
+Sojourned the while.  God saw the light was good;
+And light from darkness by the hemisphere
+Divided: light the Day, and darkness Night,
+He named.  Thus was the first day even and morn:
+Nor past uncelebrated, nor unsung
+By the celestial quires, when orient light
+Exhaling first from darkness they beheld;
+Birth-day of Heaven and Earth; with joy and shout
+The hollow universal orb they filled,
+And touched their golden harps, and hymning praised
+God and his works; Creator him they sung,
+Both when first evening was, and when first morn.
+Again, God said,  Let there be firmament
+Amid the waters, and let it divide
+The waters from the waters; and God made
+The firmament, expanse of liquid, pure,
+Transparent, elemental air, diffused
+In circuit to the uttermost convex
+Of this great round; partition firm and sure,
+The waters underneath from those above
+Dividing: for as earth, so he the world
+Built on circumfluous waters calm, in wide
+Crystalline ocean, and the loud misrule
+Of Chaos far removed; lest fierce extremes
+Contiguous might distemper the whole frame:
+And Heaven he named the Firmament:  So even
+And morning chorus sung the second day.
+The Earth was formed, but in the womb as yet
+Of waters, embryon immature involved,
+Appeared not: over all the face of Earth
+Main ocean flowed, not idle; but, with warm
+Prolifick humour softening all her globe,
+Fermented the great mother to conceive,
+Satiate with genial moisture; when God said,
+Be gathered now ye waters under Heaven
+Into one place, and let dry land appear.
+Immediately the mountains huge appear
+Emergent, and their broad bare backs upheave
+Into the clouds; their tops ascend the sky:
+So high as heaved the tumid hills, so low
+Down sunk a hollow bottom broad and deep,
+Capacious bed of waters:  Thither they
+Hasted with glad precipitance, uprolled,
+As drops on dust conglobing from the dry:
+Part rise in crystal wall, or ridge direct,
+For haste; such flight the great command impressed
+On the swift floods:  As armies at the call
+Of trumpet (for of armies thou hast heard)
+Troop to their standard; so the watery throng,
+Wave rolling after wave, where way they found,
+If steep, with torrent rapture, if through plain,
+Soft-ebbing; nor withstood them rock or hill;
+But they, or under ground, or circuit wide
+With serpent errour wandering, found their way,
+And on the washy oose deep channels wore;
+Easy, ere God had bid the ground be dry,
+All but within those banks, where rivers now
+Stream, and perpetual draw their humid train.
+The dry land, Earth; and the great receptacle
+Of congregated waters, he called Seas:
+And saw that it was good; and said, Let the Earth
+Put forth the verdant grass, herb yielding seed,
+And fruit-tree yielding fruit after her kind,
+Whose seed is in herself upon the Earth.
+He scarce had said, when the bare Earth, till then
+Desart and bare, unsightly, unadorned,
+Brought forth the tender grass, whose verdure clad
+Her universal face with pleasant green;
+Then herbs of every leaf, that sudden flowered
+Opening their various colours, and made gay
+Her bosom, smelling sweet: and, these scarce blown,
+Forth flourished thick the clustering vine, forth crept
+The swelling gourd, up stood the corny reed
+Embattled in her field, and the humble shrub,
+And bush with frizzled hair implicit:  Last
+Rose, as in dance, the stately trees, and spread
+Their branches hung with copious fruit, or gemmed
+Their blossoms:  With high woods the hills were crowned;
+With tufts the valleys, and each fountain side;
+With borders long the rivers: that Earth now
+Seemed like to Heaven, a seat where Gods might dwell,
+Or wander with delight, and love to haunt
+Her sacred shades: though God had yet not rained
+Upon the Earth, and man to till the ground
+None was; but from the Earth a dewy mist
+Went up, and watered all the ground, and each
+Plant of the field; which, ere it was in the Earth,
+God made, and every herb, before it grew
+On the green stem:  God saw that it was good:
+So even and morn recorded the third day.
+Again the Almighty spake, Let there be lights
+High in the expanse of Heaven, to divide
+The day from night; and let them be for signs,
+For seasons, and for days, and circling years;
+And let them be for lights, as I ordain
+Their office in the firmament of Heaven,
+To give light on the Earth; and it was so.
+And God made two great lights, great for their use
+To Man, the greater to have rule by day,
+The less by night, altern; and made the stars,
+And set them in the firmament of Heaven
+To illuminate the Earth, and rule the day
+In their vicissitude, and rule the night,
+And light from darkness to divide.  God saw,
+Surveying his great work, that it was good:
+For of celestial bodies first the sun
+A mighty sphere he framed, unlightsome first,
+Though of ethereal mould: then formed the moon
+Globose, and every magnitude of stars,
+And sowed with stars the Heaven, thick as a field:
+Of light by far the greater part he took,
+Transplanted from her cloudy shrine, and placed
+In the sun's orb, made porous to receive
+And drink the liquid light; firm to retain
+Her gathered beams, great palace now of light.
+Hither, as to their fountain, other stars
+Repairing, in their golden urns draw light,
+And hence the morning-planet gilds her horns;
+By tincture or reflection they augment
+Their small peculiar, though from human sight
+So far remote, with diminution seen,
+First in his east the glorious lamp was seen,
+Regent of day, and all the horizon round
+Invested with bright rays, jocund to run
+His longitude through Heaven's high road; the gray
+Dawn, and the Pleiades, before him danced,
+Shedding sweet influence:  Less bright the moon,
+But opposite in levelled west was set,
+His mirrour, with full face borrowing her light
+From him; for other light she needed none
+In that aspect, and still that distance keeps
+Till night; then in the east her turn she shines,
+Revolved on Heaven's great axle, and her reign
+With thousand lesser lights dividual holds,
+With thousand thousand stars, that then appeared
+Spangling the hemisphere:  Then first adorned
+With their bright luminaries that set and rose,
+Glad evening and glad morn crowned the fourth day.
+And God said, Let the waters generate
+Reptile with spawn abundant, living soul:
+And let fowl fly above the Earth, with wings
+Displayed on the open firmament of Heaven.
+And God created the great whales, and each
+Soul living, each that crept, which plenteously
+The waters generated by their kinds;
+And every bird of wing after his kind;
+And saw that it was good, and blessed them, saying.
+Be fruitful, multiply, and in the seas,
+And lakes, and running streams, the waters fill;
+And let the fowl be multiplied, on the Earth.
+Forthwith the sounds and seas, each creek and bay,
+With fry innumerable swarm, and shoals
+Of fish that with their fins, and shining scales,
+Glide under the green wave, in sculls that oft
+Bank the mid sea: part single, or with mate,
+Graze the sea-weed their pasture, and through groves
+Of coral stray; or, sporting with quick glance,
+Show to the sun their waved coats dropt with gold;
+Or, in their pearly shells at ease, attend
+Moist nutriment; or under rocks their food
+In jointed armour watch: on smooth the seal
+And bended dolphins play: part huge of bulk
+Wallowing unwieldy, enormous in their gait,
+Tempest the ocean: there leviathan,
+Hugest of living creatures, on the deep
+Stretched like a promontory sleeps or swims,
+And seems a moving land; and at his gills
+Draws in, and at his trunk spouts out, a sea.
+Mean while the tepid caves, and fens, and shores,
+Their brood as numerous hatch, from the egg that soon
+Bursting with kindly rupture forth disclosed
+Their callow young; but feathered soon and fledge
+They summed their pens; and, soaring the air sublime,
+With clang despised the ground, under a cloud
+In prospect; there the eagle and the stork
+On cliffs and cedar tops their eyries build:
+Part loosely wing the region, part more wise
+In common, ranged in figure, wedge their way,
+Intelligent of seasons, and set forth
+Their aery caravan, high over seas
+Flying, and over lands, with mutual wing
+Easing their flight; so steers the prudent crane
+Her annual voyage, borne on winds; the air
+Floats as they pass, fanned with unnumbered plumes:
+From branch to branch the smaller birds with song
+Solaced the woods, and spread their painted wings
+Till even; nor then the solemn nightingale
+Ceased warbling, but all night tun'd her soft lays:
+Others, on silver lakes and rivers, bathed
+Their downy breast; the swan with arched neck,
+Between her white wings mantling proudly, rows
+Her state with oary feet; yet oft they quit
+The dank, and, rising on stiff pennons, tower
+The mid aereal sky:  Others on ground
+Walked firm; the crested cock whose clarion sounds
+The silent hours, and the other whose gay train
+Adorns him, coloured with the florid hue
+Of rainbows and starry eyes.  The waters thus
+With fish replenished, and the air with fowl,
+Evening and morn solemnized the fifth day.
+The sixth, and of creation last, arose
+With evening harps and matin; when God said,
+Let the Earth bring forth soul living in her kind,
+Cattle, and creeping things, and beast of the Earth,
+Each in their kind.  The Earth obeyed, and straight
+Opening her fertile womb teemed at a birth
+Innumerous living creatures, perfect forms,
+Limbed and full grown:  Out of the ground up rose,
+As from his lair, the wild beast where he wons
+In forest wild, in thicket, brake, or den;
+Among the trees in pairs they rose, they walked:
+The cattle in the fields and meadows green:
+Those rare and solitary, these in flocks
+Pasturing at once, and in broad herds upsprung.
+The grassy clods now calved; now half appeared
+The tawny lion, pawing to get free
+His hinder parts, then springs as broke from bonds,
+And rampant shakes his brinded mane; the ounce,
+The libbard, and the tiger, as the mole
+Rising, the crumbled earth above them threw
+In hillocks:  The swift stag from under ground
+Bore up his branching head:  Scarce from his mould
+Behemoth biggest born of earth upheaved
+His vastness:  Fleeced the flocks and bleating rose,
+As plants:  Ambiguous between sea and land
+The river-horse, and scaly crocodile.
+At once came forth whatever creeps the ground,
+Insect or worm: those waved their limber fans
+For wings, and smallest lineaments exact
+In all the liveries decked of summer's pride
+With spots of gold and purple, azure and green:
+These, as a line, their long dimension drew,
+Streaking the ground with sinuous trace; not all
+Minims of nature; some of serpent-kind,
+Wonderous in length and corpulence, involved
+Their snaky folds, and added wings.  First crept
+The parsimonious emmet, provident
+Of future; in small room large heart enclosed;
+Pattern of just equality perhaps
+Hereafter, joined in her popular tribes
+Of commonalty:  Swarming next appeared
+The female bee, that feeds her husband drone
+Deliciously, and builds her waxen cells
+With honey stored:  The rest are numberless,
+And thou their natures knowest, and gavest them names,
+Needless to thee repeated; nor unknown
+The serpent, subtlest beast of all the field,
+Of huge extent sometimes, with brazen eyes
+And hairy mane terrifick, though to thee
+Not noxious, but obedient at thy call.
+Now Heaven in all her glory shone, and rolled
+Her motions, as the great first Mover's hand
+First wheeled their course:  Earth in her rich attire
+Consummate lovely smiled; air, water, earth,
+By fowl, fish, beast, was flown, was swum, was walked,
+Frequent; and of the sixth day yet remained:
+There wanted yet the master-work, the end
+Of all yet done; a creature, who, not prone
+And brute as other creatures, but endued
+With sanctity of reason, might erect
+His stature, and upright with front serene
+Govern the rest, self-knowing; and from thence
+Magnanimous to correspond with Heaven,
+But grateful to acknowledge whence his good
+Descends, thither with heart, and voice, and eyes
+Directed in devotion, to adore
+And worship God Supreme, who made him chief
+Of all his works:  therefore the Omnipotent
+Eternal Father (for where is not he
+Present?) thus to his Son audibly spake.
+Let us make now Man in our image, Man
+In our similitude, and let them rule
+Over the fish and fowl of sea and air,
+Beast of the field, and over all the Earth,
+And every creeping thing that creeps the ground.
+This said, he formed thee, Adam, thee, O Man,
+Dust of the ground, and in thy nostrils breathed
+The breath of life; in his own image he
+Created thee, in the image of God
+Express; and thou becamest a living soul.
+Male he created thee; but thy consort
+Female, for race; then blessed mankind, and said,
+Be fruitful, multiply, and fill the Earth;
+Subdue it, and throughout dominion hold
+Over fish of the sea, and fowl of the air,
+And every living thing that moves on the Earth.
+Wherever thus created, for no place
+Is yet distinct by name, thence, as thou knowest,
+He brought thee into this delicious grove,
+This garden, planted with the trees of God,
+Delectable both to behold and taste;
+And freely all their pleasant fruit for food
+Gave thee; all sorts are here that all the Earth yields,
+Variety without end; but of the tree,
+Which, tasted, works knowledge of good and evil,
+Thou mayest not; in the day thou eatest, thou diest;
+Death is the penalty imposed; beware,
+And govern well thy appetite; lest Sin
+Surprise thee, and her black attendant Death.
+Here finished he, and all that he had made
+Viewed, and behold all was entirely good;
+So even and morn accomplished the sixth day:
+Yet not till the Creator from his work
+Desisting, though unwearied, up returned,
+Up to the Heaven of Heavens, his high abode;
+Thence to behold this new created world,
+The addition of his empire, how it showed
+In prospect from his throne, how good, how fair,
+Answering his great idea.  Up he rode
+Followed with acclamation, and the sound
+Symphonious of ten thousand harps, that tuned
+Angelick harmonies:  The earth, the air
+Resounded, (thou rememberest, for thou heardst,)
+The heavens and all the constellations rung,
+The planets in their station listening stood,
+While the bright pomp ascended jubilant.
+Open, ye everlasting gates! they sung,
+Open, ye Heavens! your living doors;let in
+The great Creator from his work returned
+Magnificent, his six days work, a World;
+Open, and henceforth oft; for God will deign
+To visit oft the dwellings of just men,
+Delighted; and with frequent intercourse
+Thither will send his winged messengers
+On errands of supernal grace.  So sung
+The glorious train ascending:  He through Heaven,
+That opened wide her blazing portals, led
+To God's eternal house direct the way;
+A broad and ample road, whose dust is gold
+And pavement stars, as stars to thee appear,
+Seen in the galaxy, that milky way,
+Which nightly, as a circling zone, thou seest
+Powdered with stars.  And now on Earth the seventh
+Evening arose in Eden, for the sun
+Was set, and twilight from the east came on,
+Forerunning night; when at the holy mount
+Of Heaven's high-seated top, the imperial throne
+Of Godhead, fixed for ever firm and sure,
+The Filial Power arrived, and sat him down
+With his great Father; for he also went
+Invisible, yet staid, (such privilege
+Hath Omnipresence) and the work ordained,
+Author and End of all things; and, from work
+Now resting, blessed and hallowed the seventh day,
+As resting on that day from all his work,
+But not in silence holy kept: the harp
+Had work and rested not; the solemn pipe,
+And dulcimer, all organs of sweet stop,
+All sounds on fret by string or golden wire,
+Tempered soft tunings, intermixed with voice
+Choral or unison: of incense clouds,
+Fuming from golden censers, hid the mount.
+Creation and the six days acts they sung:
+Great are thy works, Jehovah! infinite
+Thy power! what thought can measure thee, or tongue
+Relate thee!  Greater now in thy return
+Than from the giant Angels:  Thee that day
+Thy thunders magnified; but to create
+Is greater than created to destroy.
+Who can impair thee, Mighty King, or bound
+Thy empire!  Easily the proud attempt
+Of Spirits apostate, and their counsels vain,
+Thou hast repelled; while impiously they thought
+Thee to diminish, and from thee withdraw
+The number of thy worshippers.  Who seeks
+To lessen thee, against his purpose serves
+To manifest the more thy might: his evil
+Thou usest, and from thence createst more good.
+Witness this new-made world, another Heaven
+From Heaven-gate not far, founded in view
+On the clear hyaline, the glassy sea;
+Of amplitude almost immense, with stars
+Numerous, and every star perhaps a world
+Of destined habitation; but thou knowest
+Their seasons: among these the seat of Men,
+Earth, with her nether ocean circumfused,
+Their pleasant dwelling-place.  Thrice happy Men,
+And sons of Men, whom God hath thus advanced!
+Created in his image, there to dwell
+And worship him; and in reward to rule
+Over his works, on earth, in sea, or air,
+And multiply a race of worshippers
+Holy and just:  Thrice happy, if they know
+Their happiness, and persevere upright!
+So sung they, and the empyrean rung
+With halleluiahs:  Thus was sabbath kept.
+And thy request think now fulfilled, that asked
+How first this world and face of things began,
+And what before thy memory was done
+From the beginning; that posterity,
+Informed by thee, might know:  If else thou seekest
+Aught, not surpassing human measure, say.
+
+
+
+Book VIII
+
+
+The Angel ended, and in Adam's ear
+So charming left his voice, that he a while
+Thought him still speaking, still stood fixed to hear;
+Then, as new waked, thus gratefully replied.
+What thanks sufficient, or what recompence
+Equal, have I to render thee, divine
+Historian, who thus largely hast allayed
+The thirst I had of knowledge, and vouchsafed
+This friendly condescension to relate
+Things, else by me unsearchable; now heard
+With wonder, but delight, and, as is due,
+With glory attributed to the high
+Creator!  Something yet of doubt remains,
+Which only thy solution can resolve.
+When I behold this goodly frame, this world,
+Of Heaven and Earth consisting; and compute
+Their magnitudes; this Earth, a spot, a grain,
+An atom, with the firmament compared
+And all her numbered stars, that seem to roll
+Spaces incomprehensible, (for such
+Their distance argues, and their swift return
+Diurnal,) merely to officiate light
+Round this opacous Earth, this punctual spot,
+One day and night; in all her vast survey
+Useless besides; reasoning I oft admire,
+How Nature wise and frugal could commit
+Such disproportions, with superfluous hand
+So many nobler bodies to create,
+Greater so manifold, to this one use,
+For aught appears, and on their orbs impose
+Such restless revolution day by day
+Repeated; while the sedentary Earth,
+That better might with far less compass move,
+Served by more noble than herself, attains
+Her end without least motion, and receives,
+As tribute, such a sumless journey brought
+Of incorporeal speed, her warmth and light;
+Speed, to describe whose swiftness number fails.
+So spake our sire, and by his countenance seemed
+Entering on studious thoughts abstruse; which Eve
+Perceiving, where she sat retired in sight,
+With lowliness majestick from her seat,
+And grace that won who saw to wish her stay,
+Rose, and went forth among her fruits and flowers,
+To visit how they prospered, bud and bloom,
+Her nursery; they at her coming sprung,
+And, touched by her fair tendance, gladlier grew.
+Yet went she not, as not with such discourse
+Delighted, or not capable her ear
+Of what was high: such pleasure she reserved,
+Adam relating, she sole auditress;
+Her husband the relater she preferred
+Before the Angel, and of him to ask
+Chose rather; he, she knew, would intermix
+Grateful digressions, and solve high dispute
+With conjugal caresses: from his lip
+Not words alone pleased her.  O! when meet now
+Such pairs, in love and mutual honour joined?
+With Goddess-like demeanour forth she went,
+Not unattended; for on her, as Queen,
+A pomp of winning Graces waited still,
+And from about her shot darts of desire
+Into all eyes, to wish her still in sight.
+And Raphael now, to Adam's doubt proposed,
+Benevolent and facile thus replied.
+To ask or search, I blame thee not; for Heaven
+Is as the book of God before thee set,
+Wherein to read his wonderous works, and learn
+His seasons, hours, or days, or months, or years:
+This to attain, whether Heaven move or Earth,
+Imports not, if thou reckon right; the rest
+From Man or Angel the great Architect
+Did wisely to conceal, and not divulge
+His secrets to be scanned by them who ought
+Rather admire; or, if they list to try
+Conjecture, he his fabrick of the Heavens
+Hath left to their disputes, perhaps to move
+His laughter at their quaint opinions wide
+Hereafter; when they come to model Heaven
+And calculate the stars, how they will wield
+The mighty frame; how build, unbuild, contrive
+To save appearances; how gird the sphere
+With centrick and eccentrick scribbled o'er,
+Cycle and epicycle, orb in orb:
+Already by thy reasoning this I guess,
+Who art to lead thy offspring, and supposest
+That bodies bright and greater should not serve
+The less not bright, nor Heaven such journeys run,
+Earth sitting still, when she alone receives
+The benefit:  Consider first, that great
+Or bright infers not excellence: the Earth
+Though, in comparison of Heaven, so small,
+Nor glistering, may of solid good contain
+More plenty than the sun that barren shines;
+Whose virtue on itself works no effect,
+But in the fruitful Earth; there first received,
+His beams, unactive else, their vigour find.
+Yet not to Earth are those bright luminaries
+Officious; but to thee, Earth's habitant.
+And for the Heaven's wide circuit, let it speak
+The Maker's high magnificence, who built
+So spacious, and his line stretched out so far;
+That Man may know he dwells not in his own;
+An edifice too large for him to fill,
+Lodged in a small partition; and the rest
+Ordained for uses to his Lord best known.
+The swiftness of those circles attribute,
+Though numberless, to his Omnipotence,
+That to corporeal substances could add
+Speed almost spiritual:  Me thou thinkest not slow,
+Who since the morning-hour set out from Heaven
+Where God resides, and ere mid-day arrived
+In Eden; distance inexpressible
+By numbers that have name.  But this I urge,
+Admitting motion in the Heavens, to show
+Invalid that which thee to doubt it moved;
+Not that I so affirm, though so it seem
+To thee who hast thy dwelling here on Earth.
+God, to remove his ways from human sense,
+Placed Heaven from Earth so far, that earthly sight,
+If it presume, might err in things too high,
+And no advantage gain.  What if the sun
+Be center to the world; and other stars,
+By his attractive virtue and their own
+Incited, dance about him various rounds?
+Their wandering course now high, now low, then hid,
+Progressive, retrograde, or standing still,
+In six thou seest; and what if seventh to these
+The planet earth, so stedfast though she seem,
+Insensibly three different motions move?
+Which else to several spheres thou must ascribe,
+Moved contrary with thwart obliquities;
+Or save the sun his labour, and that swift
+Nocturnal and diurnal rhomb supposed,
+Invisible else above all stars, the wheel
+Of day and night; which needs not thy belief,
+If earth, industrious of herself, fetch day
+Travelling east, and with her part averse
+From the sun's beam meet night, her other part
+Still luminous by his ray.  What if that light,
+Sent from her through the wide transpicuous air,
+To the terrestrial moon be as a star,
+Enlightening her by day, as she by night
+This earth? reciprocal, if land be there,
+Fields and inhabitants:  Her spots thou seest
+As clouds, and clouds may rain, and rain produce
+Fruits in her softened soil for some to eat
+Allotted there; and other suns perhaps,
+With their attendant moons, thou wilt descry,
+Communicating male and female light;
+Which two great sexes animate the world,
+Stored in each orb perhaps with some that live.
+For such vast room in Nature unpossessed
+By living soul, desart and desolate,
+Only to shine, yet scarce to contribute
+Each orb a glimpse of light, conveyed so far
+Down to this habitable, which returns
+Light back to them, is obvious to dispute.
+But whether thus these things, or whether not;
+But whether the sun, predominant in Heaven,
+Rise on the earth; or earth rise on the sun;
+He from the east his flaming road begin;
+Or she from west her silent course advance,
+With inoffensive pace that spinning sleeps
+On her soft axle, while she paces even,
+And bears thee soft with the smooth hair along;
+Sollicit not thy thoughts with matters hid;
+Leave them to God above; him serve, and fear!
+Of other creatures, as him pleases best,
+Wherever placed, let him dispose; joy thou
+In what he gives to thee, this Paradise
+And thy fair Eve; Heaven is for thee too high
+To know what passes there; be lowly wise:
+Think only what concerns thee, and thy being;
+Dream not of other worlds, what creatures there
+Live, in what state, condition, or degree;
+Contented that thus far hath been revealed
+Not of Earth only, but of highest Heaven.
+To whom thus Adam, cleared of doubt, replied.
+How fully hast thou satisfied me, pure
+Intelligence of Heaven, Angel serene!
+And, freed from intricacies, taught to live
+The easiest way; nor with perplexing thoughts
+To interrupt the sweet of life, from which
+God hath bid dwell far off all anxious cares,
+And not molest us; unless we ourselves
+Seek them with wandering thoughts, and notions vain.
+But apt the mind or fancy is to rove
+Unchecked, and of her roving is no end;
+Till warned, or by experience taught, she learn,
+That, not to know at large of things remote
+From use, obscure and subtle; but, to know
+That which before us lies in daily life,
+Is the prime wisdom:  What is more, is fume,
+Or emptiness, or fond impertinence:
+And renders us, in things that most concern,
+Unpractised, unprepared, and still to seek.
+Therefore from this high pitch let us descend
+A lower flight, and speak of things at hand
+Useful; whence, haply, mention may arise
+Of something not unseasonable to ask,
+By sufferance, and thy wonted favour, deigned.
+Thee I have heard relating what was done
+Ere my remembrance: now, hear me relate
+My story, which perhaps thou hast not heard;
+And day is not yet spent; till then thou seest
+How subtly to detain thee I devise;
+Inviting thee to hear while I relate;
+Fond! were it not in hope of thy reply:
+For, while I sit with thee, I seem in Heaven;
+And sweeter thy discourse is to my ear
+Than fruits of palm-tree pleasantest to thirst
+And hunger both, from labour, at the hour
+Of sweet repast; they satiate, and soon fill,
+Though pleasant; but thy words, with grace divine
+Imbued, bring to their sweetness no satiety.
+To whom thus Raphael answered heavenly meek.
+Nor are thy lips ungraceful, Sire of men,
+Nor tongue ineloquent; for God on thee
+Abundantly his gifts hath also poured
+Inward and outward both, his image fair:
+Speaking, or mute, all comeliness and grace
+Attends thee; and each word, each motion, forms;
+Nor less think we in Heaven of thee on Earth
+Than of our fellow-servant, and inquire
+Gladly into the ways of God with Man:
+For God, we see, hath honoured thee, and set
+On Man his equal love:  Say therefore on;
+For I that day was absent, as befel,
+Bound on a voyage uncouth and obscure,
+Far on excursion toward the gates of Hell;
+Squared in full legion (such command we had)
+To see that none thence issued forth a spy,
+Or enemy, while God was in his work;
+Lest he, incensed at such eruption bold,
+Destruction with creation might have mixed.
+Not that they durst without his leave attempt;
+But us he sends upon his high behests
+For state, as Sovran King; and to inure
+Our prompt obedience.  Fast we found, fast shut,
+The dismal gates, and barricadoed strong;
+But long ere our approaching heard within
+Noise, other than the sound of dance or song,
+Torment, and loud lament, and furious rage.
+Glad we returned up to the coasts of light
+Ere sabbath-evening: so we had in charge.
+But thy relation now; for I attend,
+Pleased with thy words no less than thou with mine.
+So spake the Godlike Power, and thus our Sire.
+For Man to tell how human life began
+Is hard; for who himself beginning knew
+Desire with thee still longer to converse
+Induced me.  As new waked from soundest sleep,
+Soft on the flowery herb I found me laid,
+In balmy sweat; which with his beams the sun
+Soon dried, and on the reeking moisture fed.
+Straight toward Heaven my wondering eyes I turned,
+And gazed a while the ample sky; till, raised
+By quick instinctive motion, up I sprung,
+As thitherward endeavouring, and upright
+Stood on my feet: about me round I saw
+Hill, dale, and shady woods, and sunny plains,
+And liquid lapse of murmuring streams; by these,
+Creatures that lived and moved, and walked, or flew;
+Birds on the branches warbling; all things smiled;
+With fragrance and with joy my heart o'erflowed.
+Myself I then perused, and limb by limb
+Surveyed, and sometimes went, and sometimes ran
+With supple joints, as lively vigour led:
+But who I was, or where, or from what cause,
+Knew not; to speak I tried, and forthwith spake;
+My tongue obeyed, and readily could name
+Whate'er I saw.  Thou Sun, said I, fair light,
+And thou enlightened Earth, so fresh and gay,
+Ye Hills, and Dales, ye Rivers, Woods, and Plains,
+And ye that live and move, fair Creatures, tell,
+Tell, if ye saw, how I came thus, how here?--
+Not of myself;--by some great Maker then,
+In goodness and in power pre-eminent:
+Tell me, how may I know him, how adore,
+From whom I have that thus I move and live,
+And feel that I am happier than I know.--
+While thus I called, and strayed I knew not whither,
+From where I first drew air, and first beheld
+This happy light; when, answer none returned,
+On a green shady bank, profuse of flowers,
+Pensive I sat me down:  There gentle sleep
+First found me, and with soft oppression seised
+My droused sense, untroubled, though I thought
+I then was passing to my former state
+Insensible, and forthwith to dissolve:
+When suddenly stood at my head a dream,
+Whose inward apparition gently moved
+My fancy to believe I yet had being,
+And lived:  One came, methought, of shape divine,
+And said, 'Thy mansion wants thee, Adam; rise,
+'First Man, of men innumerable ordained
+'First Father! called by thee, I come thy guide
+'To the garden of bliss, thy seat prepared.'
+So saying, by the hand he took me raised,
+And over fields and waters, as in air
+Smooth-sliding without step, last led me up
+A woody mountain; whose high top was plain,
+A circuit wide, enclosed, with goodliest trees
+Planted, with walks, and bowers; that what I saw
+Of Earth before scarce pleasant seemed.  Each tree,
+Loaden with fairest fruit that hung to the eye
+Tempting, stirred in me sudden appetite
+To pluck and eat; whereat I waked, and found
+Before mine eyes all real, as the dream
+Had lively shadowed:  Here had new begun
+My wandering, had not he, who was my guide
+Up hither, from among the trees appeared,
+Presence Divine.  Rejoicing, but with awe,
+In adoration at his feet I fell
+Submiss:  He reared me, and 'Whom thou soughtest I am,'
+Said mildly, 'Author of all this thou seest
+'Above, or round about thee, or beneath.
+'This Paradise I give thee, count it thine
+'To till and keep, and of the fruit to eat:
+'Of every tree that in the garden grows
+'Eat freely with glad heart; fear here no dearth:
+'But of the tree whose operation brings
+'Knowledge of good and ill, which I have set
+'The pledge of thy obedience and thy faith,
+'Amid the garden by the tree of life,
+'Remember what I warn thee, shun to taste,
+'And shun the bitter consequence: for know,
+'The day thou eatest thereof, my sole command
+'Transgressed, inevitably thou shalt die,
+'From that day mortal; and this happy state
+'Shalt lose, expelled from hence into a world
+'Of woe and sorrow.'  Sternly he pronounced
+The rigid interdiction, which resounds
+Yet dreadful in mine ear, though in my choice
+Not to incur; but soon his clear aspect
+Returned, and gracious purpose thus renewed.
+'Not only these fair bounds, but all the Earth
+'To thee and to thy race I give; as lords
+'Possess it, and all things that therein live,
+'Or live in sea, or air; beast, fish, and fowl.
+'In sign whereof, each bird and beast behold
+'After their kinds; I bring them to receive
+'From thee their names, and pay thee fealty
+'With low subjection; understand the same
+'Of fish within their watery residence,
+'Not hither summoned, since they cannot change
+'Their element, to draw the thinner air.'
+As thus he spake, each bird and beast behold
+Approaching two and two; these cowering low
+With blandishment; each bird stooped on his wing.
+I named them, as they passed, and understood
+Their nature, with such knowledge God endued
+My sudden apprehension:  But in these
+I found not what methought I wanted still;
+And to the heavenly Vision thus presumed.
+O, by what name, for thou above all these,
+Above mankind, or aught than mankind higher,
+Surpassest far my naming; how may I
+Adore thee, Author of this universe,
+And all this good to man? for whose well being
+So amply, and with hands so liberal,
+Thou hast provided all things:  But with me
+I see not who partakes.  In solitude
+What happiness, who can enjoy alone,
+Or, all enjoying, what contentment find?
+Thus I presumptuous; and the Vision bright,
+As with a smile more brightened, thus replied.
+What callest thou solitude?  Is not the Earth
+With various living creatures, and the air
+Replenished, and all these at thy command
+To come and play before thee?  Knowest thou not
+Their language and their ways?  They also know,
+And reason not contemptibly:  With these
+Find pastime, and bear rule; thy realm is large.
+So spake the Universal Lord, and seemed
+So ordering:  I, with leave of speech implored,
+And humble deprecation, thus replied.
+Let not my words offend thee, Heavenly Power;
+My Maker, be propitious while I speak.
+Hast thou not made me here thy substitute,
+And these inferiour far beneath me set?
+Among unequals what society
+Can sort, what harmony, or true delight?
+Which must be mutual, in proportion due
+Given and received; but, in disparity
+The one intense, the other still remiss,
+Cannot well suit with either, but soon prove
+Tedious alike:  Of fellowship I speak
+Such as I seek, fit to participate
+All rational delight: wherein the brute
+Cannot be human consort:  They rejoice
+Each with their kind, lion with lioness;
+So fitly them in pairs thou hast combined:
+Much less can bird with beast, or fish with fowl
+So well converse, nor with the ox the ape;
+Worse then can man with beast, and least of all.
+Whereto the Almighty answered, not displeased.
+A nice and subtle happiness, I see,
+Thou to thyself proposest, in the choice
+Of thy associates, Adam! and wilt taste
+No pleasure, though in pleasure, solitary.
+What thinkest thou then of me, and this my state?
+Seem I to thee sufficiently possessed
+Of happiness, or not? who am alone
+From all eternity; for none I know
+Second to me or like, equal much less.
+How have I then with whom to hold converse,
+Save with the creatures which I made, and those
+To me inferiour, infinite descents
+Beneath what other creatures are to thee?
+He ceased; I lowly answered.  To attain
+The highth and depth of thy eternal ways
+All human thoughts come short, Supreme of things!
+Thou in thyself art perfect, and in thee
+Is no deficience found:  Not so is Man,
+But in degree; the cause of his desire
+By conversation with his like to help
+Or solace his defects.  No need that thou
+Shouldst propagate, already Infinite;
+And through all numbers absolute, though One:
+But Man by number is to manifest
+His single imperfection, and beget
+Like of his like, his image multiplied,
+In unity defective; which requires
+Collateral love, and dearest amity.
+Thou in thy secresy although alone,
+Best with thyself accompanied, seekest not
+Social communication; yet, so pleased,
+Canst raise thy creature to what highth thou wilt
+Of union or communion, deified:
+I, by conversing, cannot these erect
+From prone; nor in their ways complacence find.
+Thus I emboldened spake, and freedom used
+Permissive, and acceptance found; which gained
+This answer from the gracious Voice Divine.
+Thus far to try thee, Adam, I was pleased;
+And find thee knowing, not of beasts alone,
+Which thou hast rightly named, but of thyself;
+Expressing well the spirit within thee free,
+My image, not imparted to the brute;
+Whose fellowship therefore unmeet for thee
+Good reason was thou freely shouldst dislike;
+And be so minded still:  I, ere thou spakest,
+Knew it not good for Man to be alone;
+And no such company as then thou sawest
+Intended thee; for trial only brought,
+To see how thou couldest judge of fit and meet:
+What next I bring shall please thee, be assured,
+Thy likeness, thy fit help, thy other self,
+Thy wish exactly to thy heart's desire.
+He ended, or I heard no more; for now
+My earthly by his heavenly overpowered,
+Which it had long stood under, strained to the highth
+In that celestial colloquy sublime,
+As with an object that excels the sense
+Dazzled and spent, sunk down; and sought repair
+Of sleep, which instantly fell on me, called
+By Nature as in aid, and closed mine eyes.
+Mine eyes he closed, but open left the cell
+Of fancy, my internal sight; by which,
+Abstract as in a trance, methought I saw,
+Though sleeping, where I lay, and saw the shape
+Still glorious before whom awake I stood:
+Who stooping opened my left side, and took
+From thence a rib, with cordial spirits warm,
+And life-blood streaming fresh; wide was the wound,
+But suddenly with flesh filled up and healed:
+The rib he formed and fashioned with his hands;
+Under his forming hands a creature grew,
+Man-like, but different sex; so lovely fair,
+That what seemed fair in all the world, seemed now
+Mean, or in her summed up, in her contained
+And in her looks; which from that time infused
+Sweetness into my heart, unfelt before,
+And into all things from her air inspired
+The spirit of love and amorous delight.
+She disappeared, and left me dark; I waked
+To find her, or for ever to deplore
+Her loss, and other pleasures all abjure:
+When out of hope, behold her, not far off,
+Such as I saw her in my dream, adorned
+With what all Earth or Heaven could bestow
+To make her amiable:  On she came,
+Led by her heavenly Maker, though unseen,
+And guided by his voice; nor uninformed
+Of nuptial sanctity, and marriage rites:
+Grace was in all her steps, Heaven in her eye,
+In every gesture dignity and love.
+I, overjoyed, could not forbear aloud.
+This turn hath made amends; thou hast fulfilled
+Thy words, Creator bounteous and benign,
+Giver of all things fair! but fairest this
+Of all thy gifts! nor enviest.  I now see
+Bone of my bone, flesh of my flesh, myself
+Before me:  Woman is her name;of Man
+Extracted: for this cause he shall forego
+Father and mother, and to his wife adhere;
+And they shall be one flesh, one heart, one soul.
+She heard me thus; and though divinely brought,
+Yet innocence, and virgin modesty,
+Her virtue, and the conscience of her worth,
+That would be wooed, and not unsought be won,
+Not obvious, not obtrusive, but, retired,
+The more desirable; or, to say all,
+Nature herself, though pure of sinful thought,
+Wrought in her so, that, seeing me, she turned:
+I followed her; she what was honour knew,
+And with obsequious majesty approved
+My pleaded reason.  To the nuptial bower
+I led her blushing like the morn: All Heaven,
+And happy constellations, on that hour
+Shed their selectest influence; the Earth
+Gave sign of gratulation, and each hill;
+Joyous the birds; fresh gales and gentle airs
+Whispered it to the woods, and from their wings
+Flung rose, flung odours from the spicy shrub,
+Disporting, till the amorous bird of night
+Sung spousal, and bid haste the evening-star
+On his hill top, to light the bridal lamp.
+Thus have I told thee all my state, and brought
+My story to the sum of earthly bliss,
+Which I enjoy; and must confess to find
+In all things else delight indeed, but such
+As, used or not, works in the mind no change,
+Nor vehement desire; these delicacies
+I mean of taste, sight, smell, herbs, fruits, and flowers,
+Walks, and the melody of birds: but here
+Far otherwise, transported I behold,
+Transported touch; here passion first I felt,
+Commotion strange! in all enjoyments else
+Superiour and unmoved; here only weak
+Against the charm of Beauty's powerful glance.
+Or Nature failed in me, and left some part
+Not proof enough such object to sustain;
+Or, from my side subducting, took perhaps
+More than enough; at least on her bestowed
+Too much of ornament, in outward show
+Elaborate, of inward less exact.
+For well I understand in the prime end
+Of Nature her the inferiour, in the mind
+And inward faculties, which most excel;
+In outward also her resembling less
+His image who made both, and less expressing
+The character of that dominion given
+O'er other creatures:  Yet when I approach
+Her loveliness, so absolute she seems
+And in herself complete, so well to know
+Her own, that what she wills to do or say,
+Seems wisest, virtuousest, discreetest, best:
+All higher knowledge in her presence falls
+Degraded;  Wisdom in discourse with her
+Loses discountenanced, and like Folly shows;
+Authority and Reason on her wait,
+As one intended first, not after made
+Occasionally; and, to consummate all,
+Greatness of mind and Nobleness their seat
+Build in her loveliest, and create an awe
+About her, as a guard angelick placed.
+To whom the Angel with contracted brow.
+Accuse not Nature, she hath done her part;
+Do thou but thine; and be not diffident
+Of Wisdom; she deserts thee not, if thou
+Dismiss not her, when most thou needest her nigh,
+By attributing overmuch to things
+Less excellent, as thou thyself perceivest.
+For, what admirest thou, what transports thee so,
+An outside? fair, no doubt, and worthy well
+Thy cherishing, thy honouring, and thy love;
+Not thy subjection:  Weigh with her thyself;
+Then value:  Oft-times nothing profits more
+Than self-esteem, grounded on just and right
+Well managed; of that skill the more thou knowest,
+The more she will acknowledge thee her head,
+And to realities yield all her shows:
+Made so adorn for thy delight the more,
+So awful, that with honour thou mayest love
+Thy mate, who sees when thou art seen least wise.
+But if the sense of touch, whereby mankind
+Is propagated, seem such dear delight
+Beyond all other; think the same vouchsafed
+To cattle and each beast; which would not be
+To them made common and divulged, if aught
+Therein enjoyed were worthy to subdue
+The soul of man, or passion in him move.
+What higher in her society thou findest
+Attractive, human, rational, love still;
+In loving thou dost well, in passion not,
+Wherein true love consists not:  Love refines
+The thoughts, and heart enlarges; hath his seat
+In reason, and is judicious; is the scale
+By which to heavenly love thou mayest ascend,
+Not sunk in carnal pleasure; for which cause,
+Among the beasts no mate for thee was found.
+To whom thus, half abashed, Adam replied.
+Neither her outside formed so fair, nor aught
+In procreation common to all kinds,
+(Though higher of the genial bed by far,
+And with mysterious reverence I deem,)
+So much delights me, as those graceful acts,
+Those thousand decencies, that daily flow
+From all her words and actions mixed with love
+And sweet compliance, which declare unfeigned
+Union of mind, or in us both one soul;
+Harmony to behold in wedded pair
+More grateful than harmonious sound to the ear.
+Yet these subject not; I to thee disclose
+What inward thence I feel, not therefore foiled,
+Who meet with various objects, from the sense
+Variously representing; yet, still free,
+Approve the best, and follow what I approve.
+To love, thou blamest me not; for Love, thou sayest,
+Leads up to Heaven, is both the way and guide;
+Bear with me then, if lawful what I ask:
+Love not the heavenly Spirits, and how their love
+Express they? by looks only? or do they mix
+Irradiance, virtual or immediate touch?
+To whom the Angel, with a smile that glowed
+Celestial rosy red, Love's proper hue,
+Answered.  Let it suffice thee that thou knowest
+Us happy, and without love no happiness.
+Whatever pure thou in the body enjoyest,
+(And pure thou wert created) we enjoy
+In eminence; and obstacle find none
+Of membrane, joint, or limb, exclusive bars;
+Easier than air with air, if Spirits embrace,
+Total they mix, union of pure with pure
+Desiring, nor restrained conveyance need,
+As flesh to mix with flesh, or soul with soul.
+But I can now no more; the parting sun
+Beyond the Earth's green Cape and verdant Isles
+Hesperian sets, my signal to depart.
+Be strong, live happy, and love!  But, first of all,
+Him, whom to love is to obey, and keep
+His great command; take heed lest passion sway
+Thy judgement to do aught, which else free will
+Would not admit: thine, and of all thy sons,
+The weal or woe in thee is placed; beware!
+I in thy persevering shall rejoice,
+And all the Blest:  Stand fast;to stand or fall
+Free in thine own arbitrement it lies.
+Perfect within, no outward aid require;
+And all temptation to transgress repel.
+So saying, he arose; whom Adam thus
+Followed with benediction.  Since to part,
+Go, heavenly guest, ethereal Messenger,
+Sent from whose sovran goodness I adore!
+Gentle to me and affable hath been
+Thy condescension, and shall be honoured ever
+With grateful memory:  Thou to mankind
+Be good and friendly still, and oft return!
+So parted they; the Angel up to Heaven
+From the thick shade, and Adam to his bower.
+
+
+
+Book IX
+
+
+No more of talk where God or Angel guest
+With Man, as with his friend, familiar us'd,
+To sit indulgent, and with him partake
+Rural repast; permitting him the while
+Venial discourse unblam'd. I now must change
+Those notes to tragick; foul distrust, and breach
+Disloyal on the part of Man, revolt,
+And disobedience: on the part of Heaven
+Now alienated, distance and distaste,
+Anger and just rebuke, and judgement given,
+That brought into this world a world of woe,
+Sin and her shadow Death, and Misery
+Death's harbinger: Sad talk!yet argument
+Not less but more heroick than the wrath
+Of stern Achilles on his foe pursued
+Thrice fugitive about Troy wall; or rage
+Of Turnus for Lavinia disespous'd;
+Or Neptune's ire, or Juno's, that so long
+Perplexed the Greek, and Cytherea's son:
+
+   00482129
+If answerable style I can obtain
+Of my celestial patroness, who deigns
+Her nightly visitation unimplor'd,
+And dictates to me slumbering; or inspires
+Easy my unpremeditated verse:
+Since first this subject for heroick song
+Pleas'd me long choosing, and beginning late;
+Not sedulous by nature to indite
+Wars, hitherto the only argument
+Heroick deem'd chief mastery to dissect
+With long and tedious havock fabled knights
+In battles feign'd; the better fortitude
+Of patience and heroick martyrdom
+Unsung; or to describe races and games,
+Or tilting furniture, imblazon'd shields,
+Impresses quaint, caparisons and steeds,
+Bases and tinsel trappings, gorgeous knights
+At joust and tournament; then marshall'd feast
+Serv'd up in hall with sewers and seneshals;
+The skill of artifice or office mean,
+Not that which justly gives heroick name
+To person, or to poem.  Me, of these
+Nor skill'd nor studious, higher argument
+Remains; sufficient of itself to raise
+That name, unless an age too late, or cold
+Climate, or years, damp my intended wing
+Depress'd; and much they may, if all be mine,
+Not hers, who brings it nightly to my ear.
+The sun was sunk, and after him the star
+Of Hesperus, whose office is to bring
+Twilight upon the earth, short arbiter
+"twixt day and night, and now from end to end
+Night's hemisphere had veil'd the horizon round:
+When satan, who late fled before the threats
+Of Gabriel out of Eden, now improv'd
+In meditated fraud and malice, bent
+On Man's destruction, maugre what might hap
+Of heavier on himself, fearless returned
+From compassing the earth; cautious of day,
+Since Uriel, regent of the sun, descried
+His entrance, and foreworned the Cherubim
+That kept their watch; thence full of anguish driven,
+The space of seven continued nights he rode
+With darkness; thrice the equinoctial line
+He circled; four times crossed the car of night
+From pole to pole, traversing each colure;
+On the eighth returned; and, on the coast averse
+From entrance or Cherubick watch, by stealth
+Found unsuspected way.  There was a place,
+Now not, though sin, not time, first wrought the change,
+Where Tigris, at the foot of Paradise,
+Into a gulf shot under ground, till part
+Rose up a fountain by the tree of life:
+In with the river sunk, and with it rose
+Satan, involved in rising mist; then sought
+Where to lie hid; sea he had searched, and land,
+From Eden over Pontus and the pool
+Maeotis, up beyond the river Ob;
+Downward as far antarctick; and in length,
+West from Orontes to the ocean barred
+At Darien ; thence to the land where flows
+Ganges and Indus: Thus the orb he roamed
+With narrow search; and with inspection deep
+Considered every creature, which of all
+Most opportune might serve his wiles; and found
+The Serpent subtlest beast of all the field.
+Him after long debate, irresolute
+Of thoughts revolved, his final sentence chose
+Fit vessel, fittest imp of fraud, in whom
+To enter, and his dark suggestions hide
+From sharpest sight: for, in the wily snake
+Whatever sleights, none would suspicious mark,
+As from his wit and native subtlety
+Proceeding; which, in other beasts observed,
+Doubt might beget of diabolick power
+Active within, beyond the sense of brute.
+Thus he resolved, but first from inward grief
+His bursting passion into plaints thus poured.
+More justly, seat worthier of Gods, as built
+With second thoughts, reforming what was old!
+O Earth, how like to Heaven, if not preferred
+For what God, after better, worse would build?
+Terrestrial Heaven, danced round by other Heavens
+That shine, yet bear their bright officious lamps,
+Light above light, for thee alone, as seems,
+In thee concentring all their precious beams
+Of sacred influence!  As God in Heaven
+Is center, yet extends to all; so thou,
+Centring, receivest from all those orbs: in thee,
+Not in themselves, all their known virtue appears
+Productive in herb, plant, and nobler birth
+Of creatures animate with gradual life
+Of growth, sense, reason, all summed up in Man.
+With what delight could I have walked thee round,
+If I could joy in aught, sweet interchange
+Of hill, and valley, rivers, woods, and plains,
+Now land, now sea and shores with forest crowned,
+Rocks, dens, and caves!  But I in none of these
+Find place or refuge; and the more I see
+Pleasures about me, so much more I feel
+Torment within me, as from the hateful siege
+Of contraries: all good to me becomes
+Bane, and in Heaven much worse would be my state.
+But neither here seek I, no nor in Heaven
+To dwell, unless by mastering Heaven's Supreme;
+Nor hope to be myself less miserable
+By what I seek, but others to make such
+As I, though thereby worse to me redound:
+For only in destroying I find ease
+To my relentless thoughts; and, him destroyed,
+Or won to what may work his utter loss,
+For whom all this was made, all this will soon
+Follow, as to him linked in weal or woe;
+In woe then; that destruction wide may range:
+To me shall be the glory sole among
+The infernal Powers, in one day to have marred
+What he, Almighty styled, six nights and days
+Continued making; and who knows how long
+Before had been contriving? though perhaps
+Not longer than since I, in one night, freed
+From servitude inglorious well nigh half
+The angelick name, and thinner left the throng
+Of his adorers: He, to be avenged,
+And to repair his numbers thus impaired,
+Whether such virtue spent of old now failed
+More Angels to create, if they at least
+Are his created, or, to spite us more,
+Determined to advance into our room
+A creature formed of earth, and him endow,
+Exalted from so base original,
+With heavenly spoils, our spoils: What he decreed,
+He effected; Man he made, and for him built
+Magnificent this world, and earth his seat,
+Him lord pronounced; and, O indignity!
+Subjected to his service angel-wings,
+And flaming ministers to watch and tend
+Their earthly charge: Of these the vigilance
+I dread; and, to elude, thus wrapt in mist
+Of midnight vapour glide obscure, and pry
+In every bush and brake, where hap may find
+The serpent sleeping; in whose mazy folds
+To hide me, and the dark intent I bring.
+O foul descent! that I, who erst contended
+With Gods to sit the highest, am now constrained
+Into a beast; and, mixed with bestial slime,
+This essence to incarnate and imbrute,
+That to the highth of Deity aspired!
+But what will not ambition and revenge
+Descend to?  Who aspires, must down as low
+As high he soared; obnoxious, first or last,
+To basest things.  Revenge, at first though sweet,
+Bitter ere long, back on itself recoils:
+Let it; I reck not, so it light well aimed,
+Since higher I fall short, on him who next
+Provokes my envy, this new favourite
+Of Heaven, this man of clay, son of despite,
+Whom, us the more to spite, his Maker raised
+From dust: Spite then with spite is best repaid.
+So saying, through each thicket dank or dry,
+Like a black mist low-creeping, he held on
+His midnight-search, where soonest he might find
+The serpent; him fast-sleeping soon he found
+In labyrinth of many a round self-rolled,
+His head the midst, well stored with subtile wiles:
+Not yet in horrid shade or dismal den,
+Nor nocent yet; but, on the grassy herb,
+Fearless unfeared he slept: in at his mouth
+The Devil entered; and his brutal sense,
+In heart or head, possessing, soon inspired
+With act intelligential; but his sleep
+Disturbed not, waiting close the approach of morn.
+Now, when as sacred light began to dawn
+In Eden on the humid flowers, that breathed
+Their morning incense, when all things, that breathe,
+From the Earth's great altar send up silent praise
+To the Creator, and his nostrils fill
+With grateful smell, forth came the human pair,
+And joined their vocal worship to the quire
+Of creatures wanting voice; that done, partake
+The season prime for sweetest scents and airs:
+Then commune, how that day they best may ply
+Their growing work: for much their work out-grew
+The hands' dispatch of two gardening so wide,
+And Eve first to her husband thus began.
+Adam, well may we labour still to dress
+This garden, still to tend plant, herb, and flower,
+Our pleasant task enjoined; but, till more hands
+Aid us, the work under our labour grows,
+Luxurious by restraint; what we by day
+Lop overgrown, or prune, or prop, or bind,
+One night or two with wanton growth derides
+Tending to wild.  Thou therefore now advise,
+Or bear what to my mind first thoughts present:
+Let us divide our labours; thou, where choice
+Leads thee, or where most needs, whether to wind
+The woodbine round this arbour, or direct
+The clasping ivy where to climb; while I,
+In yonder spring of roses intermixed
+With myrtle, find what to redress till noon:
+For, while so near each other thus all day
+Our task we choose, what wonder if so near
+Looks intervene and smiles, or object new
+Casual discourse draw on; which intermits
+Our day's work, brought to little, though begun
+Early, and the hour of supper comes unearned?
+To whom mild answer Adam thus returned.
+Sole Eve, associate sole, to me beyond
+Compare above all living creatures dear!
+Well hast thou motioned, well thy thoughts employed,
+How we might best fulfil the work which here
+God hath assigned us; nor of me shalt pass
+Unpraised: for nothing lovelier can be found
+In woman, than to study houshold good,
+And good works in her husband to promote.
+Yet not so strictly hath our Lord imposed
+Labour, as to debar us when we need
+Refreshment, whether food, or talk between,
+Food of the mind, or this sweet intercourse
+Of looks and smiles; for smiles from reason flow,
+To brute denied, and are of love the food;
+Love, not the lowest end of human life.
+For not to irksome toil, but to delight,
+He made us, and delight to reason joined.
+These paths and bowers doubt not but our joint hands
+Will keep from wilderness with ease, as wide
+As we need walk, till younger hands ere long
+Assist us; But, if much converse perhaps
+Thee satiate, to short absence I could yield:
+For solitude sometimes is best society,
+And short retirement urges sweet return.
+But other doubt possesses me, lest harm
+Befall thee severed from me; for thou knowest
+What hath been warned us, what malicious foe
+Envying our happiness, and of his own
+Despairing, seeks to work us woe and shame
+By sly assault; and somewhere nigh at hand
+Watches, no doubt, with greedy hope to find
+His wish and best advantage, us asunder;
+Hopeless to circumvent us joined, where each
+To other speedy aid might lend at need:
+Whether his first design be to withdraw
+Our fealty from God, or to disturb
+Conjugal love, than which perhaps no bliss
+Enjoyed by us excites his envy more;
+Or this, or worse, leave not the faithful side
+That gave thee being, still shades thee, and protects.
+The wife, where danger or dishonour lurks,
+Safest and seemliest by her husband stays,
+Who guards her, or with her the worst endures.
+To whom the virgin majesty of Eve,
+As one who loves, and some unkindness meets,
+With sweet austere composure thus replied.
+Offspring of Heaven and Earth, and all Earth's Lord!
+That such an enemy we have, who seeks
+Our ruin, both by thee informed I learn,
+And from the parting Angel over-heard,
+As in a shady nook I stood behind,
+Just then returned at shut of evening flowers.
+But, that thou shouldst my firmness therefore doubt
+To God or thee, because we have a foe
+May tempt it, I expected not to hear.
+His violence thou fearest not, being such
+As we, not capable of death or pain,
+Can either not receive, or can repel.
+His fraud is then thy fear; which plain infers
+Thy equal fear, that my firm faith and love
+Can by his fraud be shaken or seduced;
+Thoughts, which how found they harbour in thy breast,
+Adam, mis-thought of her to thee so dear?
+To whom with healing words Adam replied.
+Daughter of God and Man, immortal Eve!
+For such thou art; from sin and blame entire:
+Not diffident of thee do I dissuade
+Thy absence from my sight, but to avoid
+The attempt itself, intended by our foe.
+For he who tempts, though in vain, at least asperses
+The tempted with dishonour foul; supposed
+Not incorruptible of faith, not proof
+Against temptation: Thou thyself with scorn
+And anger wouldst resent the offered wrong,
+Though ineffectual found: misdeem not then,
+If such affront I labour to avert
+From thee alone, which on us both at once
+The enemy, though bold, will hardly dare;
+Or daring, first on me the assault shall light.
+Nor thou his malice and false guile contemn;
+Subtle he needs must be, who could seduce
+Angels; nor think superfluous other's aid.
+I, from the influence of thy looks, receive
+Access in every virtue; in thy sight
+More wise, more watchful, stronger, if need were
+Of outward strength; while shame, thou looking on,
+Shame to be overcome or over-reached,
+Would utmost vigour raise, and raised unite.
+Why shouldst not thou like sense within thee feel
+When I am present, and thy trial choose
+With me, best witness of thy virtue tried?
+So spake domestick Adam in his care
+And matrimonial love; but Eve, who thought
+Less attributed to her faith sincere,
+Thus her reply with accent sweet renewed.
+If this be our condition, thus to dwell
+In narrow circuit straitened by a foe,
+Subtle or violent, we not endued
+Single with like defence, wherever met;
+How are we happy, still in fear of harm?
+But harm precedes not sin: only our foe,
+Tempting, affronts us with his foul esteem
+Of our integrity: his foul esteem
+Sticks no dishonour on our front, but turns
+Foul on himself; then wherefore shunned or feared
+By us? who rather double honour gain
+From his surmise proved false; find peace within,
+Favour from Heaven, our witness, from the event.
+And what is faith, love, virtue, unassayed
+Alone, without exteriour help sustained?
+Let us not then suspect our happy state
+Left so imperfect by the Maker wise,
+As not secure to single or combined.
+Frail is our happiness, if this be so,
+And Eden were no Eden, thus exposed.
+To whom thus Adam fervently replied.
+O Woman, best are all things as the will
+Of God ordained them: His creating hand
+Nothing imperfect or deficient left
+Of all that he created, much less Man,
+Or aught that might his happy state secure,
+Secure from outward force; within himself
+The danger lies, yet lies within his power:
+Against his will he can receive no harm.
+But God left free the will; for what obeys
+Reason, is free; and Reason he made right,
+But bid her well be ware, and still erect;
+Lest, by some fair-appearing good surprised,
+She dictate false; and mis-inform the will
+To do what God expressly hath forbid.
+Not then mistrust, but tender love, enjoins,
+That I should mind thee oft; and mind thou me.
+Firm we subsist, yet possible to swerve;
+Since Reason not impossibly may meet
+Some specious object by the foe suborned,
+And fall into deception unaware,
+Not keeping strictest watch, as she was warned.
+Seek not temptation then, which to avoid
+Were better, and most likely if from me
+Thou sever not: Trial will come unsought.
+Wouldst thou approve thy constancy, approve
+First thy obedience; the other who can know,
+Not seeing thee attempted, who attest?
+But, if thou think, trial unsought may find
+Us both securer than thus warned thou seemest,
+Go; for thy stay, not free, absents thee more;
+Go in thy native innocence, rely
+On what thou hast of virtue; summon all!
+For God towards thee hath done his part, do thine.
+So spake the patriarch of mankind; but Eve
+Persisted; yet submiss, though last, replied.
+With thy permission then, and thus forewarned
+Chiefly by what thy own last reasoning words
+Touched only; that our trial, when least sought,
+May find us both perhaps far less prepared,
+The willinger I go, nor much expect
+A foe so proud will first the weaker seek;
+So bent, the more shall shame him his repulse.
+Thus saying, from her husband's hand her hand
+Soft she withdrew; and, like a Wood-Nymph light,
+Oread or Dryad, or of Delia's train,
+Betook her to the groves; but Delia's self
+In gait surpassed, and Goddess-like deport,
+Though not as she with bow and quiver armed,
+But with such gardening tools as Art yet rude,
+Guiltless of fire, had formed, or Angels brought.
+To Pales, or Pomona, thus adorned,
+Likest she seemed, Pomona when she fled
+Vertumnus, or to Ceres in her prime,
+Yet virgin of Proserpina from Jove.
+Her long with ardent look his eye pursued
+Delighted, but desiring more her stay.
+Oft he to her his charge of quick return
+Repeated; she to him as oft engaged
+To be returned by noon amid the bower,
+And all things in best order to invite
+Noontide repast, or afternoon's repose.
+O much deceived, much failing, hapless Eve,
+Of thy presumed return! event perverse!
+Thou never from that hour in Paradise
+Foundst either sweet repast, or sound repose;
+Such ambush, hid among sweet flowers and shades,
+Waited with hellish rancour imminent
+To intercept thy way, or send thee back
+Despoiled of innocence, of faith, of bliss!
+For now, and since first break of dawn, the Fiend,
+Mere serpent in appearance, forth was come;
+And on his quest, where likeliest he might find
+The only two of mankind, but in them
+The whole included race, his purposed prey.
+In bower and field he sought, where any tuft
+Of grove or garden-plot more pleasant lay,
+Their tendance, or plantation for delight;
+By fountain or by shady rivulet
+He sought them both, but wished his hap might find
+Eve separate; he wished, but not with hope
+Of what so seldom chanced; when to his wish,
+Beyond his hope, Eve separate he spies,
+Veiled in a cloud of fragrance, where she stood,
+Half spied, so thick the roses blushing round
+About her glowed, oft stooping to support
+Each flower of slender stalk, whose head, though gay
+Carnation, purple, azure, or specked with gold,
+Hung drooping unsustained; them she upstays
+Gently with myrtle band, mindless the while
+Herself, though fairest unsupported flower,
+From her best prop so far, and storm so nigh.
+Nearer he drew, and many a walk traversed
+Of stateliest covert, cedar, pine, or palm;
+Then voluble and bold, now hid, now seen,
+Among thick-woven arborets, and flowers
+Imbordered on each bank, the hand of Eve:
+Spot more delicious than those gardens feigned
+Or of revived Adonis, or renowned
+Alcinous, host of old Laertes' son;
+Or that, not mystick, where the sapient king
+Held dalliance with his fair Egyptian spouse.
+Much he the place admired, the person more.
+As one who long in populous city pent,
+Where houses thick and sewers annoy the air,
+Forth issuing on a summer's morn, to breathe
+Among the pleasant villages and farms
+Adjoined, from each thing met conceives delight;
+The smell of grain, or tedded grass, or kine,
+Or dairy, each rural sight, each rural sound;
+If chance, with nymph-like step, fair virgin pass,
+What pleasing seemed, for her now pleases more;
+She most, and in her look sums all delight:
+Such pleasure took the Serpent to behold
+This flowery plat, the sweet recess of Eve
+Thus early, thus alone: Her heavenly form
+Angelick, but more soft, and feminine,
+Her graceful innocence, her every air
+Of gesture, or least action, overawed
+His malice, and with rapine sweet bereaved
+His fierceness of the fierce intent it brought:
+That space the Evil-one abstracted stood
+From his own evil, and for the time remained
+Stupidly good; of enmity disarmed,
+Of guile, of hate, of envy, of revenge:
+But the hot Hell that always in him burns,
+Though in mid Heaven, soon ended his delight,
+And tortures him now more, the more he sees
+Of pleasure, not for him ordained: then soon
+Fierce hate he recollects, and all his thoughts
+Of mischief, gratulating, thus excites.
+Thoughts, whither have ye led me! with what sweet
+Compulsion thus transported, to forget
+What hither brought us! hate, not love;nor hope
+Of Paradise for Hell, hope here to taste
+Of pleasure; but all pleasure to destroy,
+Save what is in destroying; other joy
+To me is lost.  Then, let me not let pass
+Occasion which now smiles; behold alone
+The woman, opportune to all attempts,
+Her husband, for I view far round, not nigh,
+Whose higher intellectual more I shun,
+And strength, of courage haughty, and of limb
+Heroick built, though of terrestrial mould;
+Foe not informidable! exempt from wound,
+I not; so much hath Hell debased, and pain
+Enfeebled me, to what I was in Heaven.
+She fair, divinely fair, fit love for Gods!
+Not terrible, though terrour be in love
+And beauty, not approached by stronger hate,
+Hate stronger, under show of love well feigned;
+The way which to her ruin now I tend.
+So spake the enemy of mankind, enclosed
+In serpent, inmate bad! and toward Eve
+Addressed his way: not with indented wave,
+Prone on the ground, as since; but on his rear,
+Circular base of rising folds, that towered
+Fold above fold, a surging maze! his head
+Crested aloft, and carbuncle his eyes;
+With burnished neck of verdant gold, erect
+Amidst his circling spires, that on the grass
+Floated redundant: pleasing was his shape
+And lovely; never since of serpent-kind
+Lovelier, not those that in Illyria changed,
+Hermione and Cadmus, or the god
+In Epidaurus; nor to which transformed
+Ammonian Jove, or Capitoline, was seen;
+He with Olympias; this with her who bore
+Scipio, the highth of Rome.  With tract oblique
+At first, as one who sought access, but feared
+To interrupt, side-long he works his way.
+As when a ship, by skilful steersmen wrought
+Nigh river's mouth or foreland, where the wind
+Veers oft, as oft so steers, and shifts her sail:
+So varied he, and of his tortuous train
+Curled many a wanton wreath in sight of Eve,
+To lure her eye; she, busied, heard the sound
+Of rusling leaves, but minded not, as used
+To such disport before her through the field,
+From every beast; more duteous at her call,
+Than at Circean call the herd disguised.
+He, bolder now, uncalled before her stood,
+But as in gaze admiring: oft he bowed
+His turret crest, and sleek enamelled neck,
+Fawning; and licked the ground whereon she trod.
+His gentle dumb expression turned at length
+The eye of Eve to mark his play; he, glad
+Of her attention gained, with serpent-tongue
+Organick, or impulse of vocal air,
+His fraudulent temptation thus began.
+Wonder not, sovran Mistress, if perhaps
+Thou canst, who art sole wonder! much less arm
+Thy looks, the Heaven of mildness, with disdain,
+Displeased that I approach thee thus, and gaze
+Insatiate; I thus single;nor have feared
+Thy awful brow, more awful thus retired.
+Fairest resemblance of thy Maker fair,
+Thee all things living gaze on, all things thine
+By gift, and thy celestial beauty adore
+With ravishment beheld! there best beheld,
+Where universally admired; but here
+In this enclosure wild, these beasts among,
+Beholders rude, and shallow to discern
+Half what in thee is fair, one man except,
+Who sees thee? and what is one? who should be seen
+A Goddess among Gods, adored and served
+By Angels numberless, thy daily train.
+So glozed the Tempter, and his proem tuned:
+Into the heart of Eve his words made way,
+Though at the voice much marvelling; at length,
+Not unamazed, she thus in answer spake.
+What may this mean? language of man pronounced
+By tongue of brute, and human sense expressed?
+The first, at least, of these I thought denied
+To beasts; whom God, on their creation-day,
+Created mute to all articulate sound:
+The latter I demur; for in their looks
+Much reason, and in their actions, oft appears.
+Thee, Serpent, subtlest beast of all the field
+I knew, but not with human voice endued;
+Redouble then this miracle, and say,
+How camest thou speakable of mute, and how
+To me so friendly grown above the rest
+Of brutal kind, that daily are in sight?
+Say, for such wonder claims attention due.
+To whom the guileful Tempter thus replied.
+Empress of this fair world, resplendent Eve!
+Easy to me it is to tell thee all
+What thou commandest; and right thou shouldst be obeyed:
+I was at first as other beasts that graze
+The trodden herb, of abject thoughts and low,
+As was my food; nor aught but food discerned
+Or sex, and apprehended nothing high:
+Till, on a day roving the field, I chanced
+A goodly tree far distant to behold
+Loaden with fruit of fairest colours mixed,
+Ruddy and gold: I nearer drew to gaze;
+When from the boughs a savoury odour blown,
+Grateful to appetite, more pleased my sense
+Than smell of sweetest fennel, or the teats
+Of ewe or goat dropping with milk at even,
+Unsucked of lamb or kid, that tend their play.
+To satisfy the sharp desire I had
+Of tasting those fair apples, I resolved
+Not to defer; hunger and thirst at once,
+Powerful persuaders, quickened at the scent
+Of that alluring fruit, urged me so keen.
+About the mossy trunk I wound me soon;
+For, high from ground, the branches would require
+Thy utmost reach or Adam's: Round the tree
+All other beasts that saw, with like desire
+Longing and envying stood, but could not reach.
+Amid the tree now got, where plenty hung
+Tempting so nigh, to pluck and eat my fill
+I spared not; for, such pleasure till that hour,
+At feed or fountain, never had I found.
+Sated at length, ere long I might perceive
+Strange alteration in me, to degree
+Of reason in my inward powers; and speech
+Wanted not long; though to this shape retained.
+Thenceforth to speculations high or deep
+I turned my thoughts, and with capacious mind
+Considered all things visible in Heaven,
+Or Earth, or Middle; all things fair and good:
+But all that fair and good in thy divine
+Semblance, and in thy beauty's heavenly ray,
+United I beheld; no fair to thine
+Equivalent or second! which compelled
+Me thus, though importune perhaps, to come
+And gaze, and worship thee of right declared
+Sovran of creatures, universal Dame!
+So talked the spirited sly Snake; and Eve,
+Yet more amazed, unwary thus replied.
+Serpent, thy overpraising leaves in doubt
+The virtue of that fruit, in thee first proved:
+But say, where grows the tree? from hence how far?
+For many are the trees of God that grow
+In Paradise, and various, yet unknown
+To us; in such abundance lies our choice,
+As leaves a greater store of fruit untouched,
+Still hanging incorruptible, till men
+Grow up to their provision, and more hands
+Help to disburden Nature of her birth.
+To whom the wily Adder, blithe and glad.
+Empress, the way is ready, and not long;
+Beyond a row of myrtles, on a flat,
+Fast by a fountain, one small thicket past
+Of blowing myrrh and balm: if thou accept
+My conduct, I can bring thee thither soon
+Lead then, said Eve.  He, leading, swiftly rolled
+In tangles, and made intricate seem straight,
+To mischief swift.  Hope elevates, and joy
+Brightens his crest; as when a wandering fire,
+Compact of unctuous vapour, which the night
+Condenses, and the cold environs round,
+Kindled through agitation to a flame,
+Which oft, they say, some evil Spirit attends,
+Hovering and blazing with delusive light,
+Misleads the amazed night-wanderer from his way
+To bogs and mires, and oft through pond or pool;
+There swallowed up and lost, from succour far.
+So glistered the dire Snake, and into fraud
+Led Eve, our credulous mother, to the tree
+Of prohibition, root of all our woe;
+Which when she saw, thus to her guide she spake.
+Serpent, we might have spared our coming hither,
+Fruitless to me, though fruit be here to excess,
+The credit of whose virtue rest with thee;
+Wonderous indeed, if cause of such effects.
+But of this tree we may not taste nor touch;
+God so commanded, and left that command
+Sole daughter of his voice; the rest, we live
+Law to ourselves; our reason is our law.
+To whom the Tempter guilefully replied.
+Indeed! hath God then said that of the fruit
+Of all these garden-trees ye shall not eat,
+Yet Lords declared of all in earth or air$?
+To whom thus Eve, yet sinless.  Of the fruit
+Of each tree in the garden we may eat;
+But of the fruit of this fair tree amidst
+The garden, God hath said, Ye shall not eat
+Thereof, nor shall ye touch it, lest ye die.
+She scarce had said, though brief, when now more bold
+The Tempter, but with show of zeal and love
+To Man, and indignation at his wrong,
+New part puts on; and, as to passion moved,
+Fluctuates disturbed, yet comely and in act
+Raised, as of some great matter to begin.
+As when of old some orator renowned,
+In Athens or free Rome, where eloquence
+Flourished, since mute! to some great cause addressed,
+Stood in himself collected; while each part,
+Motion, each act, won audience ere the tongue;
+Sometimes in highth began, as no delay
+Of preface brooking, through his zeal of right:
+So standing, moving, or to highth up grown,
+The Tempter, all impassioned, thus began.
+O sacred, wise, and wisdom-giving Plant,
+Mother of science! now I feel thy power
+Within me clear; not only to discern
+Things in their causes, but to trace the ways
+Of highest agents, deemed however wise.
+Queen of this universe! do not believe
+Those rigid threats of death: ye shall not die:
+How should you? by the fruit? it gives you life
+To knowledge; by the threatener? look on me,
+Me, who have touched and tasted; yet both live,
+And life more perfect have attained than Fate
+Meant me, by venturing higher than my lot.
+Shall that be shut to Man, which to the Beast
+Is open? or will God incense his ire
+For such a petty trespass? and not praise
+Rather your dauntless virtue, whom the pain
+Of death denounced, whatever thing death be,
+Deterred not from achieving what might lead
+To happier life, knowledge of good and evil;
+Of good, how just? of evil, if what is evil
+Be real, why not known, since easier shunned?
+God therefore cannot hurt ye, and be just;
+Not just, not God; not feared then, nor obeyed:
+Your fear itself of death removes the fear.
+Why then was this forbid?  Why, but to awe;
+Why, but to keep ye low and ignorant,
+His worshippers?  He knows that in the day
+Ye eat thereof, your eyes that seem so clear,
+Yet are but dim, shall perfectly be then
+Opened and cleared, and ye shall be as Gods,
+Knowing both good and evil, as they know.
+That ye shall be as Gods, since I as Man,
+Internal Man, is but proportion meet;
+I, of brute, human; ye, of human, Gods.
+So ye shall die perhaps, by putting off
+Human, to put on Gods; death to be wished,
+Though threatened, which no worse than this can bring.
+And what are Gods, that Man may not become
+As they, participating God-like food?
+The Gods are first, and that advantage use
+On our belief, that all from them proceeds:
+I question it; for this fair earth I see,
+Warmed by the sun, producing every kind;
+Them, nothing: if they all things, who enclosed
+Knowledge of good and evil in this tree,
+That whoso eats thereof, forthwith attains
+Wisdom without their leave? and wherein lies
+The offence, that Man should thus attain to know?
+What can your knowledge hurt him, or this tree
+Impart against his will, if all be his?
+Or is it envy? and can envy dwell
+In heavenly breasts?  These, these, and many more
+Causes import your need of this fair fruit.
+Goddess humane, reach then, and freely taste!
+He ended; and his words, replete with guile,
+Into her heart too easy entrance won:
+Fixed on the fruit she gazed, which to behold
+Might tempt alone; and in her ears the sound
+Yet rung of his persuasive words, impregned
+With reason, to her seeming, and with truth:
+Mean while the hour of noon drew on, and waked
+An eager appetite, raised by the smell
+So savoury of that fruit, which with desire,
+Inclinable now grown to touch or taste,
+Solicited her longing eye; yet first
+Pausing a while, thus to herself she mused.
+Great are thy virtues, doubtless, best of fruits,
+Though kept from man, and worthy to be admired;
+Whose taste, too long forborn, at first assay
+Gave elocution to the mute, and taught
+The tongue not made for speech to speak thy praise:
+Thy praise he also, who forbids thy use,
+Conceals not from us, naming thee the tree
+Of knowledge, knowledge both of good and evil;
+Forbids us then to taste! but his forbidding
+Commends thee more, while it infers the good
+By thee communicated, and our want:
+For good unknown sure is not had; or, had
+And yet unknown, is as not had at all.
+In plain then, what forbids he but to know,
+Forbids us good, forbids us to be wise?
+Such prohibitions bind not.  But, if death
+Bind us with after-bands, what profits then
+Our inward freedom?  In the day we eat
+Of this fair fruit, our doom is, we shall die!
+How dies the Serpent? he hath eaten and lives,
+And knows, and speaks, and reasons, and discerns,
+Irrational till then.  For us alone
+Was death invented? or to us denied
+This intellectual food, for beasts reserved?
+For beasts it seems: yet that one beast which first
+Hath tasted envies not, but brings with joy
+The good befallen him, author unsuspect,
+Friendly to man, far from deceit or guile.
+What fear I then? rather, what know to fear
+Under this ignorance of good and evil,
+Of God or death, of law or penalty?
+Here grows the cure of all, this fruit divine,
+Fair to the eye, inviting to the taste,
+Of virtue to make wise:  What hinders then
+To reach, and feed at once both body and mind?
+So saying, her rash hand in evil hour
+Forth reaching to the fruit, she plucked, she eat!
+Earth felt the wound; and Nature from her seat,
+Sighing through all her works, gave signs of woe,
+That all was lost.  Back to the thicket slunk
+The guilty Serpent; and well might;for Eve,
+Intent now wholly on her taste, nought else
+Regarded; such delight till then, as seemed,
+In fruit she never tasted, whether true
+Or fancied so, through expectation high
+Of knowledge; not was Godhead from her thought.
+Greedily she ingorged without restraint,
+And knew not eating death:  Satiate at length,
+And hightened as with wine, jocund and boon,
+Thus to herself she pleasingly began.
+O sovran, virtuous, precious of all trees
+In Paradise! of operation blest
+To sapience, hitherto obscured, infamed.
+And thy fair fruit let hang, as to no end
+Created; but henceforth my early care,
+Not without song, each morning, and due praise,
+Shall tend thee, and the fertile burden ease
+Of thy full branches offered free to all;
+Till, dieted by thee, I grow mature
+In knowledge, as the Gods, who all things know;
+Though others envy what they cannot give:
+For, had the gift been theirs, it had not here
+Thus grown.  Experience, next, to thee I owe,
+Best guide; not following thee, I had remained
+In ignorance; thou openest wisdom's way,
+And givest access, though secret she retire.
+And I perhaps am secret: Heaven is high,
+High, and remote to see from thence distinct
+Each thing on Earth; and other care perhaps
+May have diverted from continual watch
+Our great Forbidder, safe with all his spies
+About him.  But to Adam in what sort
+Shall I appear? shall I to him make known
+As yet my change, and give him to partake
+Full happiness with me, or rather not,
+But keeps the odds of knowledge in my power
+Without copartner? so to add what wants
+In female sex, the more to draw his love,
+And render me more equal; and perhaps,
+A thing not undesirable, sometime
+Superiour; for, inferiour, who is free
+This may be well:  But what if God have seen,
+And death ensue? then I shall be no more!
+And Adam, wedded to another Eve,
+Shall live with her enjoying, I extinct;
+A death to think!  Confirmed then I resolve,
+Adam shall share with me in bliss or woe:
+So dear I love him, that with him all deaths
+I could endure, without him live no life.
+So saying, from the tree her step she turned;
+But first low reverence done, as to the Power
+That dwelt within, whose presence had infused
+Into the plant sciential sap, derived
+From nectar, drink of Gods.  Adam the while,
+Waiting desirous her return, had wove
+Of choicest flowers a garland, to adorn
+Her tresses, and her rural labours crown;
+As reapers oft are wont their harvest-queen.
+Great joy he promised to his thoughts, and new
+Solace in her return, so long delayed:
+Yet oft his heart, divine of something ill,
+Misgave him; he the faltering measure felt;
+And forth to meet her went, the way she took
+That morn when first they parted: by the tree
+Of knowledge he must pass; there he her met,
+Scarce from the tree returning; in her hand
+A bough of fairest fruit, that downy smiled,
+New gathered, and ambrosial smell diffused.
+To him she hasted; in her face excuse
+Came prologue, and apology too prompt;
+Which, with bland words at will, she thus addressed.
+Hast thou not wondered, Adam, at my stay?
+Thee I have missed, and thought it long, deprived
+Thy presence; agony of love till now
+Not felt, nor shall be twice; for never more
+Mean I to try, what rash untried I sought,
+The pain of absence from thy sight.  But strange
+Hath been the cause, and wonderful to hear:
+This tree is not, as we are told, a tree
+Of danger tasted, nor to evil unknown
+Opening the way, but of divine effect
+To open eyes, and make them Gods who taste;
+And hath been tasted such:  The serpent wise,
+Or not restrained as we, or not obeying,
+Hath eaten of the fruit; and is become,
+Not dead, as we are threatened, but thenceforth
+Endued with human voice and human sense,
+Reasoning to admiration; and with me
+Persuasively hath so prevailed, that I
+Have also tasted, and have also found
+The effects to correspond; opener mine eyes,
+Dim erst, dilated spirits, ampler heart,
+And growing up to Godhead; which for thee
+Chiefly I sought, without thee can despise.
+For bliss, as thou hast part, to me is bliss;
+Tedious, unshared with thee, and odious soon.
+Thou therefore also taste, that equal lot
+May join us, equal joy, as equal love;
+Lest, thou not tasting, different degree
+Disjoin us, and I then too late renounce
+Deity for thee, when Fate will not permit.
+Thus Eve with countenance blithe her story told;
+But in her cheek distemper flushing glowed.
+On the other side Adam, soon as he heard
+The fatal trespass done by Eve, amazed,
+Astonied stood and blank, while horrour chill
+Ran through his veins, and all his joints relaxed;
+From his slack hand the garland wreathed for Eve
+Down dropt, and all the faded roses shed:
+Speechless he stood and pale, till thus at length
+First to himself he inward silence broke.
+O fairest of Creation, last and best
+Of all God's works, Creature in whom excelled
+Whatever can to sight or thought be formed,
+Holy, divine, good, amiable, or sweet!
+How art thou lost! how on a sudden lost,
+Defaced, deflowered, and now to death devote!
+Rather, how hast thou yielded to transgress
+The strict forbiddance, how to violate
+The sacred fruit forbidden!  Some cursed fraud
+Of enemy hath beguiled thee, yet unknown,
+And me with thee hath ruined; for with thee
+Certain my resolution is to die:
+How can I live without thee! how forego
+Thy sweet converse, and love so dearly joined,
+To live again in these wild woods forlorn!
+Should God create another Eve, and I
+Another rib afford, yet loss of thee
+Would never from my heart: no, no!I feel
+The link of Nature draw me: flesh of flesh,
+Bone of my bone thou art, and from thy state
+Mine never shall be parted, bliss or woe.
+So having said, as one from sad dismay
+Recomforted, and after thoughts disturbed
+Submitting to what seemed remediless,
+Thus in calm mood his words to Eve he turned.
+Bold deed thou hast presumed, adventurous Eve,
+And peril great provoked, who thus hast dared,
+Had it been only coveting to eye
+That sacred fruit, sacred to abstinence,
+Much more to taste it under ban to touch.
+But past who can recall, or done undo?
+Not God Omnipotent, nor Fate; yet so
+Perhaps thou shalt not die, perhaps the fact
+Is not so heinous now, foretasted fruit,
+Profaned first by the serpent, by him first
+Made common, and unhallowed, ere our taste;
+Nor yet on him found deadly; yet he lives;
+Lives, as thou saidst, and gains to live, as Man,
+Higher degree of life; inducement strong
+To us, as likely tasting to attain
+Proportional ascent; which cannot be
+But to be Gods, or Angels, demi-Gods.
+Nor can I think that God, Creator wise,
+Though threatening, will in earnest so destroy
+Us his prime creatures, dignified so high,
+Set over all his works; which in our fall,
+For us created, needs with us must fail,
+Dependant made; so God shall uncreate,
+Be frustrate, do, undo, and labour lose;
+Not well conceived of God, who, though his power
+Creation could repeat, yet would be loth
+Us to abolish, lest the Adversary
+Triumph, and say; "Fickle their state whom God
+"Most favours; who can please him long? Me first
+"He ruined, now Mankind; whom will he next?"
+Matter of scorn, not to be given the Foe.
+However I with thee have fixed my lot,
+Certain to undergo like doom:  If death
+Consort with thee, death is to me as life;
+So forcible within my heart I feel
+The bond of Nature draw me to my own;
+My own in thee, for what thou art is mine;
+Our state cannot be severed; we are one,
+One flesh; to lose thee were to lose myself.
+So Adam; and thus Eve to him replied.
+O glorious trial of exceeding love,
+Illustrious evidence, example high!
+Engaging me to emulate; but, short
+Of thy perfection, how shall I attain,
+Adam, from whose dear side I boast me sprung,
+And gladly of our union hear thee speak,
+One heart, one soul in both; whereof good proof
+This day affords, declaring thee resolved,
+Rather than death, or aught than death more dread,
+Shall separate us, linked in love so dear,
+To undergo with me one guilt, one crime,
+If any be, of tasting this fair fruit;
+Whose virtue for of good still good proceeds,
+Direct, or by occasion, hath presented
+This happy trial of thy love, which else
+So eminently never had been known?
+Were it I thought death menaced would ensue
+This my attempt, I would sustain alone
+The worst, and not persuade thee, rather die
+Deserted, than oblige thee with a fact
+Pernicious to thy peace; chiefly assured
+Remarkably so late of thy so true,
+So faithful, love unequalled: but I feel
+Far otherwise the event; not death, but life
+Augmented, opened eyes, new hopes, new joys,
+Taste so divine, that what of sweet before
+Hath touched my sense, flat seems to this, and harsh.
+On my experience, Adam, freely taste,
+And fear of death deliver to the winds.
+So saying, she embraced him, and for joy
+Tenderly wept; much won, that he his love
+Had so ennobled, as of choice to incur
+Divine displeasure for her sake, or death.
+In recompence for such compliance bad
+Such recompence best merits from the bough
+She gave him of that fair enticing fruit
+With liberal hand: he scrupled not to eat,
+Against his better knowledge; not deceived,
+But fondly overcome with female charm.
+Earth trembled from her entrails, as again
+In pangs; and Nature gave a second groan;
+Sky loured; and, muttering thunder, some sad drops
+Wept at completing of the mortal sin
+Original: while Adam took no thought,
+Eating his fill; nor Eve to iterate
+Her former trespass feared, the more to sooth
+Him with her loved society; that now,
+As with new wine intoxicated both,
+They swim in mirth, and fancy that they feel
+Divinity within them breeding wings,
+Wherewith to scorn the earth:  But that false fruit
+Far other operation first displayed,
+Carnal desire inflaming; he on Eve
+Began to cast lascivious eyes; she him
+As wantonly repaid; in lust they burn:
+Till Adam thus 'gan Eve to dalliance move.
+Eve, now I see thou art exact of taste,
+And elegant, of sapience no small part;
+Since to each meaning savour we apply,
+And palate call judicious; I the praise
+Yield thee, so well this day thou hast purveyed.
+Much pleasure we have lost, while we abstained
+From this delightful fruit, nor known till now
+True relish, tasting; if such pleasure be
+In things to us forbidden, it might be wished,
+For this one tree had been forbidden ten.
+But come, so well refreshed, now let us play,
+As meet is, after such delicious fare;
+For never did thy beauty, since the day
+I saw thee first and wedded thee, adorned
+With all perfections, so inflame my sense
+With ardour to enjoy thee, fairer now
+Than ever; bounty of this virtuous tree!
+So said he, and forbore not glance or toy
+Of amorous intent; well understood
+Of Eve, whose eye darted contagious fire.
+Her hand he seised; and to a shady bank,
+Thick over-head with verdant roof imbowered,
+He led her nothing loth; flowers were the couch,
+Pansies, and violets, and asphodel,
+And hyacinth;  Earth's freshest softest lap.
+There they their fill of love and love's disport
+Took largely, of their mutual guilt the seal,
+The solace of their sin; till dewy sleep
+Oppressed them, wearied with their amorous play,
+Soon as the force of that fallacious fruit,
+That with exhilarating vapour bland
+About their spirits had played, and inmost powers
+Made err, was now exhaled; and grosser sleep,
+Bred of unkindly fumes, with conscious dreams
+Incumbered, now had left them; up they rose
+As from unrest; and, each the other viewing,
+Soon found their eyes how opened, and their minds
+How darkened; innocence, that as a veil
+Had shadowed them from knowing ill, was gone;
+Just confidence, and native righteousness,
+And honour, from about them, naked left
+To guilty Shame; he covered, but his robe
+Uncovered more.  So rose the Danite strong,
+Herculean Samson, from the harlot-lap
+Of Philistean Dalilah, and waked
+Shorn of his strength.  They destitute and bare
+Of all their virtue:  Silent, and in face
+Confounded, long they sat, as strucken mute:
+Till Adam, though not less than Eve abashed,
+At length gave utterance to these words constrained.
+O Eve, in evil hour thou didst give ear
+To that false worm, of whomsoever taught
+To counterfeit Man's voice; true in our fall,
+False in our promised rising; since our eyes
+Opened we find indeed, and find we know
+Both good and evil; good lost, and evil got;
+Bad fruit of knowledge, if this be to know;
+Which leaves us naked thus, of honour void,
+Of innocence, of faith, of purity,
+Our wonted ornaments now soiled and stained,
+And in our faces evident the signs
+Of foul concupiscence; whence evil store;
+Even shame, the last of evils; of the first
+Be sure then.--How shall I behold the face
+Henceforth of God or Angel, erst with joy
+And rapture so oft beheld?  Those heavenly shapes
+Will dazzle now this earthly with their blaze
+Insufferably bright.  O! might I here
+In solitude live savage; in some glade
+Obscured, where highest woods, impenetrable
+To star or sun-light, spread their umbrage broad
+And brown as evening:  Cover me, ye Pines!
+Ye Cedars, with innumerable boughs
+Hide me, where I may never see them more!--
+But let us now, as in bad plight, devise
+What best may for the present serve to hide
+The parts of each from other, that seem most
+To shame obnoxious, and unseemliest seen;
+Some tree, whose broad smooth leaves together sewed,
+And girded on our loins, may cover round
+Those middle parts; that this new comer, Shame,
+There sit not, and reproach us as unclean.
+So counselled he, and both together went
+Into the thickest wood; there soon they chose
+The fig-tree; not that kind for fruit renowned,
+But such as at this day, to Indians known,
+In Malabar or Decan spreads her arms
+Branching so broad and long, that in the ground
+The bended twigs take root, and daughters grow
+About the mother tree, a pillared shade
+High over-arched, and echoing walks between:
+There oft the Indian herdsman, shunning heat,
+Shelters in cool, and tends his pasturing herds
+At loop-holes cut through thickest shade:  Those leaves
+They gathered, broad as Amazonian targe;
+And, with what skill they had, together sewed,
+To gird their waist; vain covering, if to hide
+Their guilt and dreaded shame!  O, how unlike
+To that first naked glory!  Such of late
+Columbus found the American, so girt
+With feathered cincture; naked else, and wild
+Among the trees on isles and woody shores.
+Thus fenced, and, as they thought, their shame in part
+Covered, but not at rest or ease of mind,
+They sat them down to weep; nor only tears
+Rained at their eyes, but high winds worse within
+Began to rise, high passions, anger, hate,
+Mistrust, suspicion, discord; and shook sore
+Their inward state of mind, calm region once
+And full of peace, now tost and turbulent:
+For Understanding ruled not, and the Will
+Heard not her lore; both in subjection now
+To sensual Appetite, who from beneath
+Usurping over sovran Reason claimed
+Superiour sway: From thus distempered breast,
+Adam, estranged in look and altered style,
+Speech intermitted thus to Eve renewed.
+Would thou hadst hearkened to my words, and staid
+With me, as I besought thee, when that strange
+Desire of wandering, this unhappy morn,
+I know not whence possessed thee; we had then
+Remained still happy; not, as now, despoiled
+Of all our good; shamed, naked, miserable!
+Let none henceforth seek needless cause to approve
+The faith they owe; when earnestly they seek
+Such proof, conclude, they then begin to fail.
+To whom, soon moved with touch of blame, thus Eve.
+What words have passed thy lips, Adam severe!
+Imputest thou that to my default, or will
+Of wandering, as thou callest it, which who knows
+But might as ill have happened thou being by,
+Or to thyself perhaps?  Hadst thou been there,
+Or here the attempt, thou couldst not have discerned
+Fraud in the Serpent, speaking as he spake;
+No ground of enmity between us known,
+Why he should mean me ill, or seek to harm.
+Was I to have never parted from thy side?
+As good have grown there still a lifeless rib.
+Being as I am, why didst not thou, the head,
+Command me absolutely not to go,
+Going into such danger, as thou saidst?
+Too facile then, thou didst not much gainsay;
+Nay, didst permit, approve, and fair dismiss.
+Hadst thou been firm and fixed in thy dissent,
+Neither had I transgressed, nor thou with me.
+To whom, then first incensed, Adam replied.
+Is this the love, is this the recompence
+Of mine to thee, ingrateful Eve! expressed
+Immutable, when thou wert lost, not I;
+Who might have lived, and joyed immortal bliss,
+Yet willingly chose rather death with thee?
+And am I now upbraided as the cause
+Of thy transgressing?  Not enough severe,
+It seems, in thy restraint:  What could I more
+I warned thee, I admonished thee, foretold
+The danger, and the lurking enemy
+That lay in wait; beyond this, had been force;
+And force upon free will hath here no place.
+But confidence then bore thee on; secure
+Either to meet no danger, or to find
+Matter of glorious trial; and perhaps
+I also erred, in overmuch admiring
+What seemed in thee so perfect, that I thought
+No evil durst attempt thee; but I rue
+The errour now, which is become my crime,
+And thou the accuser.  Thus it shall befall
+Him, who, to worth in women overtrusting,
+Lets her will rule: restraint she will not brook;
+And, left to herself, if evil thence ensue,
+She first his weak indulgence will accuse.
+Thus they in mutual accusation spent
+The fruitless hours, but neither self-condemning;
+And of their vain contest appeared no end.
+
+
+
+Book X
+
+
+Mean while the heinous and despiteful act
+Of Satan, done in Paradise; and how
+He, in the serpent, had perverted Eve,
+Her husband she, to taste the fatal fruit,
+Was known in Heaven; for what can 'scape the eye
+Of God all-seeing, or deceive his heart
+Omniscient? who, in all things wise and just,
+Hindered not Satan to attempt the mind
+Of Man, with strength entire and free will armed,
+Complete to have discovered and repulsed
+Whatever wiles of foe or seeming friend.
+For still they knew, and ought to have still remembered,
+The high injunction, not to taste that fruit,
+Whoever tempted; which they not obeying,
+(Incurred what could they less?) the penalty;
+And, manifold in sin, deserved to fall.
+Up into Heaven from Paradise in haste
+The angelick guards ascended, mute, and sad,
+For Man; for of his state by this they knew,
+Much wondering how the subtle Fiend had stolen
+Entrance unseen.  Soon as the unwelcome news
+From Earth arrived at Heaven-gate, displeased
+All were who heard; dim sadness did not spare
+That time celestial visages, yet, mixed
+With pity, violated not their bliss.
+About the new-arrived, in multitudes
+The ethereal people ran, to hear and know
+How all befel:  They towards the throne supreme,
+Accountable, made haste, to make appear,
+With righteous plea, their utmost vigilance
+And easily approved; when the Most High
+Eternal Father, from his secret cloud,
+Amidst in thunder uttered thus his voice.
+Assembled Angels, and ye Powers returned
+From unsuccessful charge; be not dismayed,
+Nor troubled at these tidings from the earth,
+Which your sincerest care could not prevent;
+Foretold so lately what would come to pass,
+When first this tempter crossed the gulf from Hell.
+I told ye then he should prevail, and speed
+On his bad errand; Man should be seduced,
+And flattered out of all, believing lies
+Against his Maker; no decree of mine
+Concurring to necessitate his fall,
+Or touch with lightest moment of impulse
+His free will, to her own inclining left
+In even scale.  But fallen he is; and now
+What rests, but that the mortal sentence pass
+On his transgression,--death denounced that day?
+Which he presumes already vain and void,
+Because not yet inflicted, as he feared,
+By some immediate stroke; but soon shall find
+Forbearance no acquittance, ere day end.
+Justice shall not return as bounty scorned.
+But whom send I to judge them? whom but thee,
+Vicegerent Son?  To thee I have transferred
+All judgement, whether in Heaven, or Earth, or Hell.
+Easy it may be seen that I intend
+Mercy colleague with justice, sending thee
+Man's friend, his Mediator, his designed
+Both ransom and Redeemer voluntary,
+And destined Man himself to judge Man fallen.
+So spake the Father; and, unfolding bright
+Toward the right hand his glory, on the Son
+Blazed forth unclouded Deity: He full
+Resplendent all his Father manifest
+Expressed, and thus divinely answered mild.
+Father Eternal, thine is to decree;
+Mine, both in Heaven and Earth, to do thy will
+Supreme; that thou in me, thy Son beloved,
+Mayest ever rest well pleased.  I go to judge
+On earth these thy transgressours; but thou knowest,
+Whoever judged, the worst on me must light,
+When time shall be; for so I undertook
+Before thee; and, not repenting, this obtain
+Of right, that I may mitigate their doom
+On me derived; yet I shall temper so
+Justice with mercy, as may illustrate most
+Them fully satisfied, and thee appease.
+Attendance none shall need, nor train, where none
+Are to behold the judgement, but the judged,
+Those two; the third best absent is condemned,
+Convict by flight, and rebel to all law:
+Conviction to the serpent none belongs.
+Thus saying, from his radiant seat he rose
+Of high collateral glory: Him Thrones, and Powers,
+Princedoms, and Dominations ministrant,
+Accompanied to Heaven-gate; from whence
+Eden, and all the coast, in prospect lay.
+Down he descended straight; the speed of Gods
+Time counts not, though with swiftest minutes winged.
+Now was the sun in western cadence low
+From noon, and gentle airs, due at their hour,
+To fan the earth now waked, and usher in
+The evening cool; when he, from wrath more cool,
+Came the mild Judge, and Intercessour both,
+To sentence Man:  The voice of God they heard
+Now walking in the garden, by soft winds
+Brought to their ears, while day declined; they heard,
+And from his presence hid themselves among
+The thickest trees, both man and wife; till God,
+Approaching, thus to Adam called aloud.
+Where art thou, Adam, wont with joy to meet
+My coming seen far off?  I miss thee here,
+Not pleased, thus entertained with solitude,
+Where obvious duty ere while appeared unsought:
+Or come I less conspicuous, or what change
+Absents thee, or what chance detains?--Come forth!
+He came; and with him Eve, more loth, though first
+To offend; discountenanced both, and discomposed;
+Love was not in their looks, either to God,
+Or to each other; but apparent guilt,
+And shame, and perturbation, and despair,
+Anger, and obstinacy, and hate, and guile.
+Whence Adam, faltering long, thus answered brief.
+I heard thee in the garden, and of thy voice
+Afraid, being naked, hid myself.  To whom
+The gracious Judge without revile replied.
+My voice thou oft hast heard, and hast not feared,
+But still rejoiced; how is it now become
+So dreadful to thee?  That thou art naked, who
+Hath told thee?  Hast thou eaten of the tree,
+Whereof I gave thee charge thou shouldst not eat?
+To whom thus Adam sore beset replied.
+O Heaven! in evil strait this day I stand
+Before my Judge; either to undergo
+Myself the total crime, or to accuse
+My other self, the partner of my life;
+Whose failing, while her faith to me remains,
+I should conceal, and not expose to blame
+By my complaint: but strict necessity
+Subdues me, and calamitous constraint;
+Lest on my head both sin and punishment,
+However insupportable, be all
+Devolved; though should I hold my peace, yet thou
+Wouldst easily detect what I conceal.--
+This Woman, whom thou madest to be my help,
+And gavest me as thy perfect gift, so good,
+So fit, so acceptable, so divine,
+That from her hand I could suspect no ill,
+And what she did, whatever in itself,
+Her doing seemed to justify the deed;
+She gave me of the tree, and I did eat.
+To whom the Sovran Presence thus replied.
+Was she thy God, that her thou didst obey
+Before his voice? or was she made thy guide,
+Superiour, or but equal, that to her
+Thou didst resign thy manhood, and the place
+Wherein God set thee above her made of thee,
+And for thee, whose perfection far excelled
+Hers in all real dignity?  Adorned
+She was indeed, and lovely, to attract
+Thy love, not thy subjection; and her gifts
+Were such, as under government well seemed;
+Unseemly to bear rule; which was thy part
+And person, hadst thou known thyself aright.
+So having said, he thus to Eve in few.
+Say, Woman, what is this which thou hast done?
+To whom sad Eve, with shame nigh overwhelmed,
+Confessing soon, yet not before her Judge
+Bold or loquacious, thus abashed replied.
+The Serpent me beguiled, and I did eat.
+Which when the Lord God heard, without delay
+To judgement he proceeded on the accused
+Serpent, though brute; unable to transfer
+The guilt on him, who made him instrument
+Of mischief, and polluted from the end
+Of his creation; justly then accursed,
+As vitiated in nature:  More to know
+Concerned not Man, (since he no further knew)
+Nor altered his offence; yet God at last
+To Satan first in sin his doom applied,
+Though in mysterious terms, judged as then best:
+And on the Serpent thus his curse let fall.
+Because thou hast done this, thou art accursed
+Above all cattle, each beast of the field;
+Upon thy belly groveling thou shalt go,
+And dust shalt eat all the days of thy life.
+Between thee and the woman I will put
+Enmity, and between thine and her seed;
+Her seed shall bruise thy head, thou bruise his heel.
+So spake this oracle, then verified
+When Jesus, Son of Mary, second Eve,
+Saw Satan fall, like lightning, down from Heaven,
+Prince of the air; then, rising from his grave
+Spoiled Principalities and Powers, triumphed
+In open show; and, with ascension bright,
+Captivity led captive through the air,
+The realm itself of Satan, long usurped;
+Whom he shall tread at last under our feet;
+Even he, who now foretold his fatal bruise;
+And to the Woman thus his sentence turned.
+Thy sorrow I will greatly multiply
+By thy conception; children thou shalt bring
+In sorrow forth; and to thy husband's will
+Thine shall submit; he over thee shall rule.
+On Adam last thus judgement he pronounced.
+Because thou hast hearkened to the voice of thy wife,
+And eaten of the tree, concerning which
+I charged thee, saying, Thou shalt not eat thereof:
+Cursed is the ground for thy sake; thou in sorrow
+Shalt eat thereof, all the days of thy life;
+Thorns also and thistles it shall bring thee forth
+Unbid; and thou shalt eat the herb of the field;
+In the sweat of thy face shalt thou eat bread,
+Till thou return unto the ground; for thou
+Out of the ground wast taken, know thy birth,
+For dust thou art, and shalt to dust return.
+So judged he Man, both Judge and Saviour sent;
+And the instant stroke of death, denounced that day,
+Removed far off; then, pitying how they stood
+Before him naked to the air, that now
+Must suffer change, disdained not to begin
+Thenceforth the form of servant to assume;
+As when he washed his servants feet; so now,
+As father of his family, he clad
+Their nakedness with skins of beasts, or slain,
+Or as the snake with youthful coat repaid;
+And thought not much to clothe his enemies;
+Nor he their outward only with the skins
+Of beasts, but inward nakedness, much more.
+Opprobrious, with his robe of righteousness,
+Arraying, covered from his Father's sight.
+To him with swift ascent he up returned,
+Into his blissful bosom reassumed
+In glory, as of old; to him appeased
+All, though all-knowing, what had passed with Man
+Recounted, mixing intercession sweet.
+Mean while, ere thus was sinned and judged on Earth,
+Within the gates of Hell sat Sin and Death,
+In counterview within the gates, that now
+Stood open wide, belching outrageous flame
+Far into Chaos, since the Fiend passed through,
+Sin opening; who thus now to Death began.
+O Son, why sit we here each other viewing
+Idly, while Satan, our great author, thrives
+In other worlds, and happier seat provides
+For us, his offspring dear?  It cannot be
+But that success attends him; if mishap,
+Ere this he had returned, with fury driven
+By his avengers; since no place like this
+Can fit his punishment, or their revenge.
+Methinks I feel new strength within me rise,
+Wings growing, and dominion given me large
+Beyond this deep; whatever draws me on,
+Or sympathy, or some connatural force,
+Powerful at greatest distance to unite,
+With secret amity, things of like kind,
+By secretest conveyance.  Thou, my shade
+Inseparable, must with me along;
+For Death from Sin no power can separate.
+But, lest the difficulty of passing back
+Stay his return perhaps over this gulf
+Impassable, impervious; let us try
+Adventurous work, yet to thy power and mine
+Not unagreeable, to found a path
+Over this main from Hell to that new world,
+Where Satan now prevails; a monument
+Of merit high to all the infernal host,
+Easing their passage hence, for intercourse,
+Or transmigration, as their lot shall lead.
+Nor can I miss the way, so strongly drawn
+By this new-felt attraction and instinct.
+Whom thus the meager Shadow answered soon.
+Go, whither Fate, and inclination strong,
+Leads thee; I shall not lag behind, nor err
+The way, thou leading; such a scent I draw
+Of carnage, prey innumerable, and taste
+The savour of death from all things there that live:
+Nor shall I to the work thou enterprisest
+Be wanting, but afford thee equal aid.
+So saying, with delight he snuffed the smell
+Of mortal change on earth.  As when a flock
+Of ravenous fowl, though many a league remote,
+Against the day of battle, to a field,
+Where armies lie encamped, come flying, lured
+With scent of living carcasses designed
+For death, the following day, in bloody fight:
+So scented the grim Feature, and upturned
+His nostril wide into the murky air;
+Sagacious of his quarry from so far.
+Then both from out Hell-gates, into the waste
+Wide anarchy of Chaos, damp and dark,
+Flew diverse; and with power (their power was great)
+Hovering upon the waters, what they met
+Solid or slimy, as in raging sea
+Tost up and down, together crouded drove,
+From each side shoaling towards the mouth of Hell;
+As when two polar winds, blowing adverse
+Upon the Cronian sea, together drive
+Mountains of ice, that stop the imagined way
+Beyond Petsora eastward, to the rich
+Cathaian coast.  The aggregated soil
+Death with his mace petrifick, cold and dry,
+As with a trident, smote; and fixed as firm
+As Delos, floating once; the rest his look
+Bound with Gorgonian rigour not to move;
+And with Asphaltick slime, broad as the gate,
+Deep to the roots of Hell the gathered beach
+They fastened, and the mole immense wrought on
+Over the foaming deep high-arched, a bridge
+Of length prodigious, joining to the wall
+Immoveable of this now fenceless world,
+Forfeit to Death; from hence a passage broad,
+Smooth, easy, inoffensive, down to Hell.
+So, if great things to small may be compared,
+Xerxes, the liberty of Greece to yoke,
+From Susa, his Memnonian palace high,
+Came to the sea: and, over Hellespont
+Bridging his way, Europe with Asia joined,
+And scourged with many a stroke the indignant waves.
+Now had they brought the work by wonderous art
+Pontifical, a ridge of pendant rock,
+Over the vexed abyss, following the track
+Of Satan to the self-same place where he
+First lighted from his wing, and landed safe
+From out of Chaos, to the outside bare
+Of this round world:  With pins of adamant
+And chains they made all fast, too fast they made
+And durable!  And now in little space
+The confines met of empyrean Heaven,
+And of this World; and, on the left hand, Hell
+With long reach interposed; three several ways
+In sight, to each of these three places led.
+And now their way to Earth they had descried,
+To Paradise first tending; when, behold!
+Satan, in likeness of an Angel bright,
+Betwixt the Centaur and the Scorpion steering
+His zenith, while the sun in Aries rose:
+Disguised he came; but those his children dear
+Their parent soon discerned, though in disguise.
+He, after Eve seduced, unminded slunk
+Into the wood fast by; and, changing shape,
+To observe the sequel, saw his guileful act
+By Eve, though all unweeting, seconded
+Upon her husband; saw their shame that sought
+Vain covertures; but when he saw descend
+The Son of God to judge them, terrified
+He fled; not hoping to escape, but shun
+The present; fearing, guilty, what his wrath
+Might suddenly inflict; that past, returned
+By night, and listening where the hapless pair
+Sat in their sad discourse, and various plaint,
+Thence gathered his own doom; which understood
+Not instant, but of future time, with joy
+And tidings fraught, to Hell he now returned;
+And at the brink of Chaos, near the foot
+Of this new wonderous pontifice, unhoped
+Met, who to meet him came, his offspring dear.
+Great joy was at their meeting, and at sight
+Of that stupendious bridge his joy encreased.
+Long he admiring stood, till Sin, his fair
+Enchanting daughter, thus the silence broke.
+O Parent, these are thy magnifick deeds,
+Thy trophies! which thou viewest as not thine own;
+Thou art their author, and prime architect:
+For I no sooner in my heart divined,
+My heart, which by a secret harmony
+Still moves with thine, joined in connexion sweet,
+That thou on earth hadst prospered, which thy looks
+Now also evidence, but straight I felt,
+Though distant from thee worlds between, yet felt,
+That I must after thee, with this thy son;
+Such fatal consequence unites us three!
+Hell could no longer hold us in our bounds,
+Nor this unvoyageable gulf obscure
+Detain from following thy illustrious track.
+Thou hast achieved our liberty, confined
+Within Hell-gates till now; thou us impowered
+To fortify thus far, and overlay,
+With this portentous bridge, the dark abyss.
+Thine now is all this world; thy virtue hath won
+What thy hands builded not; thy wisdom gained
+With odds what war hath lost, and fully avenged
+Our foil in Heaven; here thou shalt monarch reign,
+There didst not; there let him still victor sway,
+As battle hath adjudged; from this new world
+Retiring, by his own doom alienated;
+And henceforth monarchy with thee divide
+Of all things, parted by the empyreal bounds,
+His quadrature, from thy orbicular world;
+Or try thee now more dangerous to his throne.
+Whom thus the Prince of darkness answered glad.
+Fair Daughter, and thou Son and Grandchild both;
+High proof ye now have given to be the race
+Of Satan (for I glory in the name,
+Antagonist of Heaven's Almighty King,)
+Amply have merited of me, of all
+The infernal empire, that so near Heaven's door
+Triumphal with triumphal act have met,
+Mine, with this glorious work; and made one realm,
+Hell and this world, one realm, one continent
+Of easy thorough-fare.  Therefore, while I
+Descend through darkness, on your road with ease,
+To my associate Powers, them to acquaint
+With these successes, and with them rejoice;
+You two this way, among these numerous orbs,
+All yours, right down to Paradise descend;
+There dwell, and reign in bliss; thence on the earth
+Dominion exercise and in the air,
+Chiefly on Man, sole lord of all declared;
+Him first make sure your thrall, and lastly kill.
+My substitutes I send ye, and create
+Plenipotent on earth, of matchless might
+Issuing from me: on your joint vigour now
+My hold of this new kingdom all depends,
+Through Sin to Death exposed by my exploit.
+If your joint power prevail, the affairs of Hell
+No detriment need fear; go, and be strong!
+So saying he dismissed them; they with speed
+Their course through thickest constellations held,
+Spreading their bane; the blasted stars looked wan,
+And planets, planet-struck, real eclipse
+Then suffered.  The other way Satan went down
+The causey to Hell-gate:  On either side
+Disparted Chaos overbuilt exclaimed,
+And with rebounding surge the bars assailed,
+That scorned his indignation:  Through the gate,
+Wide open and unguarded, Satan passed,
+And all about found desolate; for those,
+Appointed to sit there, had left their charge,
+Flown to the upper world; the rest were all
+Far to the inland retired, about the walls
+Of Pandemonium; city and proud seat
+Of Lucifer, so by allusion called
+Of that bright star to Satan paragoned;
+There kept their watch the legions, while the Grand
+In council sat, solicitous what chance
+Might intercept their emperour sent; so he
+Departing gave command, and they observed.
+As when the Tartar from his Russian foe,
+By Astracan, over the snowy plains,
+Retires; or Bactrin Sophi, from the horns
+Of Turkish crescent, leaves all waste beyond
+The realm of Aladule, in his retreat
+To Tauris or Casbeen:  So these, the late
+Heaven-banished host, left desart utmost Hell
+Many a dark league, reduced in careful watch
+Round their metropolis; and now expecting
+Each hour their great adventurer, from the search
+Of foreign worlds:  He through the midst unmarked,
+In show plebeian Angel militant
+Of lowest order, passed; and from the door
+Of that Plutonian hall, invisible
+Ascended his high throne; which, under state
+Of richest texture spread, at the upper end
+Was placed in regal lustre.  Down a while
+He sat, and round about him saw unseen:
+At last, as from a cloud, his fulgent head
+And shape star-bright appeared, or brighter; clad
+With what permissive glory since his fall
+Was left him, or false glitter:  All amazed
+At that so sudden blaze the Stygian throng
+Bent their aspect, and whom they wished beheld,
+Their mighty Chief returned: loud was the acclaim:
+Forth rushed in haste the great consulting peers,
+Raised from their dark Divan, and with like joy
+Congratulant approached him; who with hand
+Silence, and with these words attention, won.
+Thrones, Dominations, Princedoms, Virtues, Powers;
+For in possession such, not only of right,
+I call ye, and declare ye now; returned
+Successful beyond hope, to lead ye forth
+Triumphant out of this infernal pit
+Abominable, accursed, the house of woe,
+And dungeon of our tyrant:  Now possess,
+As Lords, a spacious world, to our native Heaven
+Little inferiour, by my adventure hard
+With peril great achieved.  Long were to tell
+What I have done; what suffered;with what pain
+Voyaged th' unreal, vast, unbounded deep
+Of horrible confusion; over which
+By Sin and Death a broad way now is paved,
+To expedite your glorious march; but I
+Toiled out my uncouth passage, forced to ride
+The untractable abyss, plunged in the womb
+Of unoriginal Night and Chaos wild;
+That, jealous of their secrets, fiercely opposed
+My journey strange, with clamorous uproar
+Protesting Fate supreme; thence how I found
+The new created world, which fame in Heaven
+Long had foretold, a fabrick wonderful
+Of absolute perfection! therein Man
+Placed in a Paradise, by our exile
+Made happy:  Him by fraud I have seduced
+From his Creator; and, the more to encrease
+Your wonder, with an apple; he, thereat
+Offended, worth your laughter! hath given up
+Both his beloved Man, and all his world,
+To Sin and Death a prey, and so to us,
+Without our hazard, labour, or alarm;
+To range in, and to dwell, and over Man
+To rule, as over all he should have ruled.
+True is, me also he hath judged, or rather
+Me not, but the brute serpent in whose shape
+Man I deceived: that which to me belongs,
+Is enmity which he will put between
+Me and mankind; I am to bruise his heel;
+His seed, when is not set, shall bruise my head:
+A world who would not purchase with a bruise,
+Or much more grievous pain?--Ye have the account
+Of my performance:  What remains, ye Gods,
+But up, and enter now into full bliss?
+So having said, a while he stood, expecting
+Their universal shout, and high applause,
+To fill his ear; when, contrary, he hears
+On all sides, from innumerable tongues,
+A dismal universal hiss, the sound
+Of publick scorn; he wondered, but not long
+Had leisure, wondering at himself now more,
+His visage drawn he felt to sharp and spare;
+His arms clung to his ribs; his legs entwining
+Each other, till supplanted down he fell
+A monstrous serpent on his belly prone,
+Reluctant, but in vain; a greater power
+Now ruled him, punished in the shape he sinned,
+According to his doom: he would have spoke,
+But hiss for hiss returned with forked tongue
+To forked tongue; for now were all transformed
+Alike, to serpents all, as accessories
+To his bold riot:  Dreadful was the din
+Of hissing through the hall, thick swarming now
+With complicated monsters head and tail,
+Scorpion, and Asp, and Amphisbaena dire,
+Cerastes horned, Hydrus, and Elops drear,
+And Dipsas; (not so thick swarmed once the soil
+Bedropt with blood of Gorgon, or the isle
+Ophiusa,) but still greatest he the midst,
+Now Dragon grown, larger than whom the sun
+Ingendered in the Pythian vale or slime,
+Huge Python, and his power no less he seemed
+Above the rest still to retain; they all
+Him followed, issuing forth to the open field,
+Where all yet left of that revolted rout,
+Heaven-fallen, in station stood or just array;
+Sublime with expectation when to see
+In triumph issuing forth their glorious Chief;
+They saw, but other sight instead! a croud
+Of ugly serpents; horrour on them fell,
+And horrid sympathy; for, what they saw,
+They felt themselves, now changing; down their arms,
+Down fell both spear and shield; down they as fast;
+And the dire hiss renewed, and the dire form
+Catched, by contagion; like in punishment,
+As in their crime.  Thus was the applause they meant,
+Turned to exploding hiss, triumph to shame
+Cast on themselves from their own mouths.  There stood
+A grove hard by, sprung up with this their change,
+His will who reigns above, to aggravate
+Their penance, laden with fair fruit, like that
+Which grew in Paradise, the bait of Eve
+Used by the Tempter: on that prospect strange
+Their earnest eyes they fixed, imagining
+For one forbidden tree a multitude
+Now risen, to work them further woe or shame;
+Yet, parched with scalding thirst and hunger fierce,
+Though to delude them sent, could not abstain;
+But on they rolled in heaps, and, up the trees
+Climbing, sat thicker than the snaky locks
+That curled Megaera: greedily they plucked
+The fruitage fair to sight, like that which grew
+Near that bituminous lake where Sodom flamed;
+This more delusive, not the touch, but taste
+Deceived; they, fondly thinking to allay
+Their appetite with gust, instead of fruit
+Chewed bitter ashes, which the offended taste
+With spattering noise rejected: oft they assayed,
+Hunger and thirst constraining; drugged as oft,
+With hatefullest disrelish writhed their jaws,
+With soot and cinders filled; so oft they fell
+Into the same illusion, not as Man
+Whom they triumphed once lapsed.  Thus were they plagued
+And worn with famine, long and ceaseless hiss,
+Till their lost shape, permitted, they resumed;
+Yearly enjoined, some say, to undergo,
+This annual humbling certain numbered days,
+To dash their pride, and joy, for Man seduced.
+However, some tradition they dispersed
+Among the Heathen, of their purchase got,
+And fabled how the Serpent, whom they called
+Ophion, with Eurynome, the wide--
+Encroaching Eve perhaps, had first the rule
+Of high Olympus; thence by Saturn driven
+And Ops, ere yet Dictaean Jove was born.
+Mean while in Paradise the hellish pair
+Too soon arrived; Sin, there in power before,
+Once actual; now in body, and to dwell
+Habitual habitant; behind her Death,
+Close following pace for pace, not mounted yet
+On his pale horse: to whom Sin thus began.
+Second of Satan sprung, all-conquering Death!
+What thinkest thou of our empire now, though earned
+With travel difficult, not better far
+Than still at Hell's dark threshold to have sat watch,
+Unnamed, undreaded, and thyself half starved?
+Whom thus the Sin-born monster answered soon.
+To me, who with eternal famine pine,
+Alike is Hell, or Paradise, or Heaven;
+There best, where most with ravine I may meet;
+Which here, though plenteous, all too little seems
+To stuff this maw, this vast unhide-bound corps.
+To whom the incestuous mother thus replied.
+Thou therefore on these herbs, and fruits, and flowers,
+Feed first; on each beast next, and fish, and fowl;
+No homely morsels! and, whatever thing
+The sithe of Time mows down, devour unspared;
+Till I, in Man residing, through the race,
+His thoughts, his looks, words, actions, all infect;
+And season him thy last and sweetest prey.
+This said, they both betook them several ways,
+Both to destroy, or unimmortal make
+All kinds, and for destruction to mature
+Sooner or later; which the Almighty seeing,
+From his transcendent seat the Saints among,
+To those bright Orders uttered thus his voice.
+See, with what heat these dogs of Hell advance
+To waste and havock yonder world, which I
+So fair and good created; and had still
+Kept in that state, had not the folly of Man
+Let in these wasteful furies, who impute
+Folly to me; so doth the Prince of Hell
+And his adherents, that with so much ease
+I suffer them to enter and possess
+A place so heavenly; and, conniving, seem
+To gratify my scornful enemies,
+That laugh, as if, transported with some fit
+Of passion, I to them had quitted all,
+At random yielded up to their misrule;
+And know not that I called, and drew them thither,
+My Hell-hounds, to lick up the draff and filth
+Which Man's polluting sin with taint hath shed
+On what was pure; til, crammed and gorged, nigh burst
+With sucked and glutted offal, at one sling
+Of thy victorious arm, well-pleasing Son,
+Both Sin, and Death, and yawning Grave, at last,
+Through Chaos hurled, obstruct the mouth of Hell
+For ever, and seal up his ravenous jaws.
+Then Heaven and Earth renewed shall be made pure
+To sanctity, that shall receive no stain:
+Till then, the curse pronounced on both precedes.
+He ended, and the heavenly audience loud
+Sung Halleluiah, as the sound of seas,
+Through multitude that sung:  Just are thy ways,
+Righteous are thy decrees on all thy works;
+Who can extenuate thee?  Next, to the Son,
+Destined Restorer of mankind, by whom
+New Heaven and Earth shall to the ages rise,
+Or down from Heaven descend.--Such was their song;
+While the Creator, calling forth by name
+His mighty Angels, gave them several charge,
+As sorted best with present things.  The sun
+Had first his precept so to move, so shine,
+As might affect the earth with cold and heat
+Scarce tolerable; and from the north to call
+Decrepit winter; from the south to bring
+Solstitial summer's heat.  To the blanc moon
+Her office they prescribed; to the other five
+Their planetary motions, and aspects,
+In sextile, square, and trine, and opposite,
+Of noxious efficacy, and when to join
+In synod unbenign; and taught the fixed
+Their influence malignant when to shower,
+Which of them rising with the sun, or falling,
+Should prove tempestuous:  To the winds they set
+Their corners, when with bluster to confound
+Sea, air, and shore; the thunder when to roll
+With terrour through the dark aereal hall.
+Some say, he bid his Angels turn ascanse
+The poles of earth, twice ten degrees and more,
+From the sun's axle; they with labour pushed
+Oblique the centrick globe:  Some say, the sun
+Was bid turn reins from the equinoctial road
+Like distant breadth to Taurus with the seven
+Atlantick Sisters, and the Spartan Twins,
+Up to the Tropick Crab: thence down amain
+By Leo, and the Virgin, and the Scales,
+As deep as Capricorn; to bring in change
+Of seasons to each clime; else had the spring
+Perpetual smiled on earth with vernant flowers,
+Equal in days and nights, except to those
+Beyond the polar circles; to them day
+Had unbenighted shone, while the low sun,
+To recompense his distance, in their sight
+Had rounded still the horizon, and not known
+Or east or west; which had forbid the snow
+From cold Estotiland, and south as far
+Beneath Magellan.  At that tasted fruit
+The sun, as from Thyestean banquet, turned
+His course intended; else, how had the world
+Inhabited, though sinless, more than now,
+Avoided pinching cold and scorching heat?
+These changes in the Heavens, though slow, produced
+Like change on sea and land; sideral blast,
+Vapour, and mist, and exhalation hot,
+Corrupt and pestilent:  Now from the north
+Of Norumbega, and the Samoed shore,
+Bursting their brazen dungeon, armed with ice,
+And snow, and hail, and stormy gust and flaw,
+Boreas, and Caecias, and Argestes loud,
+And Thrascias, rend the woods, and seas upturn;
+With adverse blast upturns them from the south
+Notus, and Afer black with thunderous clouds
+From Serraliona; thwart of these, as fierce,
+Forth rush the Levant and the Ponent winds,
+Eurus and Zephyr, with their lateral noise,
+Sirocco and Libecchio.  Thus began
+Outrage from lifeless things; but Discord first,
+Daughter of Sin, among the irrational
+Death introduced, through fierce antipathy:
+Beast now with beast 'gan war, and fowl with fowl,
+And fish with fish; to graze the herb all leaving,
+Devoured each other; nor stood much in awe
+Of Man, but fled him; or, with countenance grim,
+Glared on him passing.  These were from without
+The growing miseries, which Adam saw
+Already in part, though hid in gloomiest shade,
+To sorrow abandoned, but worse felt within;
+And, in a troubled sea of passion tost,
+Thus to disburden sought with sad complaint.
+O miserable of happy!  Is this the end
+Of this new glorious world, and me so late
+The glory of that glory, who now become
+Accursed, of blessed? hide me from the face
+Of God, whom to behold was then my highth
+Of happiness!--Yet well, if here would end
+The misery; I deserved it, and would bear
+My own deservings; but this will not serve:
+All that I eat or drink, or shall beget,
+Is propagated curse.  O voice, once heard
+Delightfully, Encrease and multiply;
+Now death to hear! for what can I encrease,
+Or multiply, but curses on my head?
+Who of all ages to succeed, but, feeling
+The evil on him brought by me, will curse
+My head?  Ill fare our ancestor impure,
+For this we may thank Adam! but his thanks
+Shall be the execration: so, besides
+Mine own that bide upon me, all from me
+Shall with a fierce reflux on me rebound;
+On me, as on their natural center, light
+Heavy, though in their place.  O fleeting joys
+Of Paradise, dear bought with lasting woes!
+Did I request thee, Maker, from my clay
+To mould me Man? did I solicit thee
+From darkness to promote me, or here place
+In this delicious garden?  As my will
+Concurred not to my being, it were but right
+And equal to reduce me to my dust;
+Desirous to resign and render back
+All I received; unable to perform
+Thy terms too hard, by which I was to hold
+The good I sought not.  To the loss of that,
+Sufficient penalty, why hast thou added
+The sense of endless woes?  Inexplicable
+Why am I mocked with death, and lengthened out
+To deathless pain?  How gladly would I meet
+Mortality my sentence, and be earth
+Insensible!  How glad would lay me down
+As in my mother's lap!  There I should rest,
+And sleep secure; his dreadful voice no more
+Would thunder in my ears; no fear of worse
+To me, and to my offspring, would torment me
+With cruel expectation.  Yet one doubt
+Pursues me still, lest all I cannot die;
+Lest that pure breath of life, the spirit of Man
+Which God inspired, cannot together perish
+With this corporeal clod; then, in the grave,
+Or in some other dismal place, who knows
+But I shall die a living death?  O thought
+Horrid, if true!  Yet why? It was but breath
+Of life that sinned; what dies but what had life
+And sin?  The body properly had neither,
+All of me then shall die: let this appease
+The doubt, since human reach no further knows.
+For though the Lord of all be infinite,
+Is his wrath also?  Be it, Man is not so,
+But mortal doomed.  How can he exercise
+Wrath without end on Man, whom death must end?
+Can he make deathless death?  That were to make
+Strange contradiction, which to God himself
+Impossible is held; as argument
+Of weakness, not of power.  Will he draw out,
+For anger's sake, finite to infinite,
+In punished Man, to satisfy his rigour,
+Satisfied never?  That were to extend
+His sentence beyond dust and Nature's law;
+By which all causes else, according still
+To the reception of their matter, act;
+Not to the extent of their own sphere.  But say
+That death be not one stroke, as I supposed,
+Bereaving sense, but endless misery
+From this day onward; which I feel begun
+Both in me, and without me; and so last
+To perpetuity;--Ay me!that fear
+Comes thundering back with dreadful revolution
+On my defenceless head; both Death and I
+Am found eternal, and incorporate both;
+Nor I on my part single; in me all
+Posterity stands cursed:  Fair patrimony
+That I must leave ye, Sons!  O, were I able
+To waste it all myself, and leave ye none!
+So disinherited, how would you bless
+Me, now your curse!  Ah, why should all mankind,
+For one man's fault, thus guiltless be condemned,
+It guiltless?  But from me what can proceed,
+But all corrupt; both mind and will depraved
+Not to do only, but to will the same
+With me?  How can they then acquitted stand
+In sight of God?  Him, after all disputes,
+Forced I absolve: all my evasions vain,
+And reasonings, though through mazes, lead me still
+But to my own conviction: first and last
+On me, me only, as the source and spring
+Of all corruption, all the blame lights due;
+So might the wrath!  Fond wish!couldst thou support
+That burden, heavier than the earth to bear;
+Than all the world much heavier, though divided
+With that bad Woman?  Thus, what thou desirest,
+And what thou fearest, alike destroys all hope
+Of refuge, and concludes thee miserable
+Beyond all past example and future;
+To Satan only like both crime and doom.
+O Conscience! into what abyss of fears
+And horrours hast thou driven me; out of which
+I find no way, from deep to deeper plunged!
+Thus Adam to himself lamented loud,
+Through the still night; not now, as ere Man fell,
+Wholesome, and cool, and mild, but with black air
+Accompanied; with damps, and dreadful gloom;
+Which to his evil conscience represented
+All things with double terrour:  On the ground
+Outstretched he lay, on the cold ground; and oft
+Cursed his creation;  Death as oft accused
+Of tardy execution, since denounced
+The day of his offence.  Why comes not Death,
+Said he, with one thrice-acceptable stroke
+To end me?  Shall Truth fail to keep her word,
+Justice Divine not hasten to be just?
+But Death comes not at call; Justice Divine
+Mends not her slowest pace for prayers or cries,
+O woods, O fountains, hillocks, dales, and bowers!
+With other echo late I taught your shades
+To answer, and resound far other song.--
+Whom thus afflicted when sad Eve beheld,
+Desolate where she sat, approaching nigh,
+Soft words to his fierce passion she assayed:
+But her with stern regard he thus repelled.
+Out of my sight, thou Serpent!  That name best
+Befits thee with him leagued, thyself as false
+And hateful; nothing wants, but that thy shape,
+Like his, and colour serpentine, may show
+Thy inward fraud; to warn all creatures from thee
+Henceforth; lest that too heavenly form, pretended
+To hellish falshood, snare them!  But for thee
+I had persisted happy; had not thy pride
+And wandering vanity, when least was safe,
+Rejected my forewarning, and disdained
+Not to be trusted; longing to be seen,
+Though by the Devil himself; him overweening
+To over-reach; but, with the serpent meeting,
+Fooled and beguiled; by him thou, I by thee
+To trust thee from my side; imagined wise,
+Constant, mature, proof against all assaults;
+And understood not all was but a show,
+Rather than solid virtue; all but a rib
+Crooked by nature, bent, as now appears,
+More to the part sinister, from me drawn;
+Well if thrown out, as supernumerary
+To my just number found.  O! why did God,
+Creator wise, that peopled highest Heaven
+With Spirits masculine, create at last
+This novelty on earth, this fair defect
+Of nature, and not fill the world at once
+With Men, as Angels, without feminine;
+Or find some other way to generate
+Mankind?  This mischief had not been befallen,
+And more that shall befall; innumerable
+Disturbances on earth through female snares,
+And strait conjunction with this sex: for either
+He never shall find out fit mate, but such
+As some misfortune brings him, or mistake;
+Or whom he wishes most shall seldom gain
+Through her perverseness, but shall see her gained
+By a far worse; or, if she love, withheld
+By parents; or his happiest choice too late
+Shall meet, already linked and wedlock-bound
+To a fell adversary, his hate or shame:
+Which infinite calamity shall cause
+To human life, and houshold peace confound.
+He added not, and from her turned; but Eve,
+Not so repulsed, with tears that ceased not flowing
+And tresses all disordered, at his feet
+Fell humble; and, embracing them, besought
+His peace, and thus proceeded in her plaint.
+Forsake me not thus, Adam! witness Heaven
+What love sincere, and reverence in my heart
+I bear thee, and unweeting have offended,
+Unhappily deceived!  Thy suppliant
+I beg, and clasp thy knees; bereave me not,
+Whereon I live, thy gentle looks, thy aid,
+Thy counsel, in this uttermost distress,
+My only strength and stay:  Forlorn of thee,
+Whither shall I betake me, where subsist?
+While yet we live, scarce one short hour perhaps,
+Between us two let there be peace; both joining,
+As joined in injuries, one enmity
+Against a foe by doom express assigned us,
+That cruel Serpent:  On me exercise not
+Thy hatred for this misery befallen;
+On me already lost, me than thyself
+More miserable!  Both have sinned;but thou
+Against God only; I against God and thee;
+And to the place of judgement will return,
+There with my cries importune Heaven; that all
+The sentence, from thy head removed, may light
+On me, sole cause to thee of all this woe;
+Me, me only, just object of his ire!
+She ended weeping; and her lowly plight,
+Immoveable, till peace obtained from fault
+Acknowledged and deplored, in Adam wrought
+Commiseration:  Soon his heart relented
+Towards her, his life so late, and sole delight,
+Now at his feet submissive in distress;
+Creature so fair his reconcilement seeking,
+His counsel, whom she had displeased, his aid:
+As one disarmed, his anger all he lost,
+And thus with peaceful words upraised her soon.
+Unwary, and too desirous, as before,
+So now of what thou knowest not, who desirest
+The punishment all on thyself; alas!
+Bear thine own first, ill able to sustain
+His full wrath, whose thou feelest as yet least part,
+And my displeasure bearest so ill.  If prayers
+Could alter high decrees, I to that place
+Would speed before thee, and be louder heard,
+That on my head all might be visited;
+Thy frailty and infirmer sex forgiven,
+To me committed, and by me exposed.
+But rise;--let us no more contend, nor blame
+Each other, blamed enough elsewhere; but strive
+In offices of love, how we may lighten
+Each other's burden, in our share of woe;
+Since this day's death denounced, if aught I see,
+Will prove no sudden, but a slow-paced evil;
+A long day's dying, to augment our pain;
+And to our seed (O hapless seed!) derived.
+To whom thus Eve, recovering heart, replied.
+Adam, by sad experiment I know
+How little weight my words with thee can find,
+Found so erroneous; thence by just event
+Found so unfortunate:  Nevertheless,
+Restored by thee, vile as I am, to place
+Of new acceptance, hopeful to regain
+Thy love, the sole contentment of my heart
+Living or dying, from thee I will not hide
+What thoughts in my unquiet breast are risen,
+Tending to some relief of our extremes,
+Or end; though sharp and sad, yet tolerable,
+As in our evils, and of easier choice.
+If care of our descent perplex us most,
+Which must be born to certain woe, devoured
+By Death at last; and miserable it is
+To be to others cause of misery,
+Our own begotten, and of our loins to bring
+Into this cursed world a woeful race,
+That after wretched life must be at last
+Food for so foul a monster; in thy power
+It lies, yet ere conception to prevent
+The race unblest, to being yet unbegot.
+Childless thou art, childless remain: so Death
+Shall be deceived his glut, and with us two
+Be forced to satisfy his ravenous maw.
+But if thou judge it hard and difficult,
+Conversing, looking, loving, to abstain
+From love's due rights, nuptial embraces sweet;
+And with desire to languish without hope,
+Before the present object languishing
+With like desire; which would be misery
+And torment less than none of what we dread;
+Then, both ourselves and seed at once to free
+From what we fear for both, let us make short, --
+Let us seek Death; -- or, he not found, supply
+With our own hands his office on ourselves:
+Why stand we longer shivering under fears,
+That show no end but death, and have the power,
+Of many ways to die the shortest choosing,
+Destruction with destruction to destroy? --
+She ended here, or vehement despair
+Broke off the rest: so much of death her thoughts
+Had entertained, as dyed her cheeks with pale.
+But Adam, with such counsel nothing swayed,
+To better hopes his more attentive mind
+Labouring had raised; and thus to Eve replied.
+Eve, thy contempt of life and pleasure seems
+To argue in thee something more sublime
+And excellent, than what thy mind contemns;
+But self-destruction therefore sought, refutes
+That excellence thought in thee; and implies,
+Not thy contempt, but anguish and regret
+For loss of life and pleasure overloved.
+Or if thou covet death, as utmost end
+Of misery, so thinking to evade
+The penalty pronounced; doubt not but God
+Hath wiselier armed his vengeful ire, than so
+To be forestalled; much more I fear lest death,
+So snatched, will not exempt us from the pain
+We are by doom to pay; rather, such acts
+Of contumacy will provoke the Highest
+To make death in us live:  Then let us seek
+Some safer resolution, which methinks
+I have in view, calling to mind with heed
+Part of our sentence, that thy seed shall bruise
+The Serpent's head; piteous amends! unless
+Be meant, whom I conjecture, our grand foe,
+Satan; who, in the serpent, hath contrived
+Against us this deceit:  To crush his head
+Would be revenge indeed! which will be lost
+By death brought on ourselves, or childless days
+Resolved, as thou proposest; so our foe
+Shal 'scape his punishment ordained, and we
+Instead shall double ours upon our heads.
+No more be mentioned then of violence
+Against ourselves; and wilful barrenness,
+That cuts us off from hope; and savours only
+Rancour and pride, impatience and despite,
+Reluctance against God and his just yoke
+Laid on our necks.  Remember with what mild
+And gracious temper he both heard, and judged,
+Without wrath or reviling; we expected
+Immediate dissolution, which we thought
+Was meant by death that day; when lo!to thee
+Pains only in child-bearing were foretold,
+And bringing forth; soon recompensed with joy,
+Fruit of thy womb:  On me the curse aslope
+Glanced on the ground; with labour I must earn
+My bread; what harm? Idleness had been worse;
+My labour will sustain me; and, lest cold
+Or heat should injure us, his timely care
+Hath, unbesought, provided; and his hands
+Clothed us unworthy, pitying while he judged;
+How much more, if we pray him, will his ear
+Be open, and his heart to pity incline,
+And teach us further by what means to shun
+The inclement seasons, rain, ice, hail, and snow!
+Which now the sky, with various face, begins
+To show us in this mountain; while the winds
+Blow moist and keen, shattering the graceful locks
+Of these fair spreading trees; which bids us seek
+Some better shroud, some better warmth to cherish
+Our limbs benummed, ere this diurnal star
+Leave cold the night, how we his gathered beams
+Reflected may with matter sere foment;
+Or, by collision of two bodies, grind
+The air attrite to fire; as late the clouds
+Justling, or pushed with winds, rude in their shock,
+Tine the slant lightning; whose thwart flame, driven down
+Kindles the gummy bark of fir or pine;
+And sends a comfortable heat from far,
+Which might supply the sun:  Such fire to use,
+And what may else be remedy or cure
+To evils which our own misdeeds have wrought,
+He will instruct us praying, and of grace
+Beseeching him; so as we need not fear
+To pass commodiously this life, sustained
+By him with many comforts, till we end
+In dust, our final rest and native home.
+What better can we do, than, to the place
+Repairing where he judged us, prostrate fall
+Before him reverent; and there confess
+Humbly our faults, and pardon beg; with tears
+Watering the ground, and with our sighs the air
+Frequenting, sent from hearts contrite, in sign
+Of sorrow unfeigned, and humiliation meek
+
+
+
+Book XI
+
+
+Undoubtedly he will relent, and turn
+From his displeasure; in whose look serene,
+When angry most he seemed and most severe,
+What else but favour, grace, and mercy, shone?
+So spake our father penitent; nor Eve
+Felt less remorse: they, forthwith to the place
+Repairing where he judged them, prostrate fell
+Before him reverent; and both confessed
+Humbly their faults, and pardon begged; with tears
+Watering the ground, and with their sighs the air
+Frequenting, sent from hearts contrite, in sign
+Of sorrow unfeigned, and humiliation meek.
+Thus they, in lowliest plight, repentant stood
+Praying; for from the mercy-seat above
+Prevenient grace descending had removed
+The stony from their hearts, and made new flesh
+Regenerate grow instead; that sighs now breathed
+Unutterable; which the Spirit of prayer
+Inspired, and winged for Heaven with speedier flight
+Than loudest oratory:  Yet their port
+Not of mean suitors; nor important less
+Seemed their petition, than when the ancient pair
+In fables old, less ancient yet than these,
+Deucalion and chaste Pyrrha, to restore
+The race of mankind drowned, before the shrine
+Of Themis stood devout.  To Heaven their prayers
+Flew up, nor missed the way, by envious winds
+Blown vagabond or frustrate: in they passed
+Dimensionless through heavenly doors; then clad
+With incense, where the golden altar fumed,
+By their great intercessour, came in sight
+Before the Father's throne: them the glad Son
+Presenting, thus to intercede began.
+See$ Father, what first-fruits on earth are sprung
+From thy implanted grace in Man; these sighs
+And prayers, which in this golden censer mixed
+With incense, I thy priest before thee bring;
+Fruits of more pleasing savour, from thy seed
+Sown with contrition in his heart, than those
+Which, his own hand manuring, all the trees
+Of Paradise could have produced, ere fallen
+From innocence.  Now therefore, bend thine ear
+To supplication; hear his sighs, though mute;
+Unskilful with what words to pray, let me
+Interpret for him; me, his advocate
+And propitiation; all his works on me,
+Good, or not good, ingraft; my merit those
+Shall perfect, and for these my death shall pay.
+Accept me; and, in me, from these receive
+The smell of peace toward mankind: let him live
+Before thee reconciled, at least his days
+Numbered, though sad; till death, his doom, (which I
+To mitigate thus plead, not to reverse,)
+To better life shall yield him: where with me
+All my redeemed may dwell in joy and bliss;
+Made one with me, as I with thee am one.
+To whom the Father, without cloud, serene.
+All thy request for Man, accepted Son,
+Obtain; all thy request was my decree:
+But, longer in that Paradise to dwell,
+The law I gave to Nature him forbids:
+Those pure immortal elements, that know,
+No gross, no unharmonious mixture foul,
+Eject him, tainted now; and purge him off,
+As a distemper, gross, to air as gross,
+And mortal food; as may dispose him best
+For dissolution wrought by sin, that first
+Distempered all things, and of incorrupt
+Corrupted.  I, at first, with two fair gifts
+Created him endowed; with happiness,
+And immortality: that fondly lost,
+This other served but to eternize woe;
+Till I provided death: so death becomes
+His final remedy; and, after life,
+Tried in sharp tribulation, and refined
+By faith and faithful works, to second life,
+Waked in the renovation of the just,
+Resigns him up with Heaven and Earth renewed.
+But let us call to synod all the Blest,
+Through Heaven's wide bounds: from them I will not hide
+My judgements; how with mankind I proceed,
+As how with peccant Angels late they saw,
+And in their state, though firm, stood more confirmed.
+He ended, and the Son gave signal high
+To the bright minister that watched; he blew
+His trumpet, heard in Oreb since perhaps
+When God descended, and perhaps once more
+To sound at general doom.  The angelick blast
+Filled all the regions: from their blisful bowers
+Of amarantine shade, fountain or spring,
+By the waters of life, where'er they sat
+In fellowships of joy, the sons of light
+Hasted, resorting to the summons high;
+And took their seats; till from his throne supreme
+The Almighty thus pronounced his sovran will.
+O Sons, like one of us Man is become
+To know both good and evil, since his taste
+Of that defended fruit; but let him boast
+His knowledge of good lost, and evil got;
+Happier! had it sufficed him to have known
+Good by itself, and evil not at all.
+He sorrows now, repents, and prays contrite,
+My motions in him; longer than they move,
+His heart I know, how variable and vain,
+Self-left.  Lest therefore his now bolder hand
+Reach also of the tree of life, and eat,
+And live for ever, dream at least to live
+For ever, to remove him I decree,
+And send him from the garden forth to till
+The ground whence he was taken, fitter soil.
+Michael, this my behest have thou in charge;
+Take to thee from among the Cherubim
+Thy choice of flaming warriours, lest the Fiend,
+Or in behalf of Man, or to invade
+Vacant possession, some new trouble raise:
+Haste thee, and from the Paradise of God
+Without remorse drive out the sinful pair;
+From hallowed ground the unholy; and denounce
+To them, and to their progeny, from thence
+Perpetual banishment.  Yet, lest they faint
+At the sad sentence rigorously urged,
+(For I behold them softened, and with tears
+Bewailing their excess,) all terrour hide.
+If patiently thy bidding they obey,
+Dismiss them not disconsolate; reveal
+To Adam what shall come in future days,
+As I shall thee enlighten; intermix
+My covenant in the Woman's seed renewed;
+So send them forth, though sorrowing, yet in peace:
+And on the east side of the garden place,
+Where entrance up from Eden easiest climbs,
+Cherubick watch; and of a sword the flame
+Wide-waving; all approach far off to fright,
+And guard all passage to the tree of life:
+Lest Paradise a receptacle prove
+To Spirits foul, and all my trees their prey;
+With whose stolen fruit Man once more to delude.
+He ceased; and the arch-angelick Power prepared
+For swift descent; with him the cohort bright
+Of watchful Cherubim: four faces each
+Had, like a double Janus; all their shape
+Spangled with eyes more numerous than those
+Of Argus, and more wakeful than to drouse,
+Charmed with Arcadian pipe, the pastoral reed
+Of Hermes, or his opiate rod.  Mean while,
+To re-salute the world with sacred light,
+Leucothea waked; and with fresh dews imbalmed
+The earth; when Adam and first matron Eve
+Had ended now their orisons, and found
+Strength added from above; new hope to spring
+Out of despair; joy, but with fear yet linked;
+Which thus to Eve his welcome words renewed.
+Eve, easily my faith admit, that all
+The good which we enjoy from Heaven descends;
+But, that from us aught should ascend to Heaven
+So prevalent as to concern the mind
+Of God high-blest, or to incline his will,
+Hard to belief may seem; yet this will prayer
+Or one short sigh of human breath, upborne
+Even to the seat of God.  For since I sought
+By prayer the offended Deity to appease;
+Kneeled, and before him humbled all my heart;
+Methought I saw him placable and mild,
+Bending his ear; persuasion in me grew
+That I was heard with favour; peace returned
+Home to my breast, and to my memory
+His promise, that thy seed shall bruise our foe;
+Which, then not minded in dismay, yet now
+Assures me that the bitterness of death
+Is past, and we shall live.  Whence hail to thee,
+Eve rightly called, mother of all mankind,
+Mother of all things living, since by thee
+Man is to live; and all things live for Man.
+To whom thus Eve with sad demeanour meek.
+Ill-worthy I such title should belong
+To me transgressour; who, for thee ordained
+A help, became thy snare; to me reproach
+Rather belongs, distrust, and all dispraise:
+But infinite in pardon was my Judge,
+That I, who first brought death on all, am graced
+The source of life; next favourable thou,
+Who highly thus to entitle me vouchsaf'st,
+Far other name deserving.  But the field
+To labour calls us, now with sweat imposed,
+Though after sleepless night; for see!the morn,
+All unconcerned with our unrest, begins
+Her rosy progress smiling: let us forth;
+I never from thy side henceforth to stray,
+Where'er our day's work lies, though now enjoined
+Laborious, till day droop; while here we dwell,
+What can be toilsome in these pleasant walks?
+Here let us live, though in fallen state, content.
+So spake, so wished much humbled Eve; but Fate
+Subscribed not:  Nature first gave signs, impressed
+On bird, beast, air; air suddenly eclipsed,
+After short blush of morn; nigh in her sight
+The bird of Jove, stooped from his aery tour,
+Two birds of gayest plume before him drove;
+Down from a hill the beast that reigns in woods,
+First hunter then, pursued a gentle brace,
+Goodliest of all the forest, hart and hind;
+Direct to the eastern gate was bent their flight.
+Adam observed, and with his eye the chase
+Pursuing, not unmoved, to Eve thus spake.
+O Eve, some further change awaits us nigh,
+Which Heaven, by these mute signs in Nature, shows
+Forerunners of his purpose; or to warn
+Us, haply too secure, of our discharge
+From penalty, because from death released
+Some days: how long, and what till then our life,
+Who knows? or more than this, that we are dust,
+And thither must return, and be no more?
+Why else this double object in our sight
+Of flight pursued in the air, and o'er the ground,
+One way the self-same hour? why in the east
+Darkness ere day's mid-course, and morning-light
+More orient in yon western cloud, that draws
+O'er the blue firmament a radiant white,
+And slow descends with something heavenly fraught?
+He erred not; for by this the heavenly bands
+Down from a sky of jasper lighted now
+In Paradise, and on a hill made halt;
+A glorious apparition, had not doubt
+And carnal fear that day dimmed Adam's eye.
+Not that more glorious, when the Angels met
+Jacob in Mahanaim, where he saw
+The field pavilioned with his guardians bright;
+Nor that, which on the flaming mount appeared
+In Dothan, covered with a camp of fire,
+Against the Syrian king, who to surprise
+One man, assassin-like, had levied war,
+War unproclaimed.  The princely Hierarch
+In their bright stand there left his Powers, to seise
+Possession of the garden; he alone,
+To find where Adam sheltered, took his way,
+Not unperceived of Adam; who to Eve,
+While the great visitant approached, thus spake.
+Eve$ now expect great tidings, which perhaps
+Of us will soon determine, or impose
+New laws to be observed; for I descry,
+From yonder blazing cloud that veils the hill,
+One of the heavenly host; and, by his gait,
+None of the meanest; some great Potentate
+Or of the Thrones above; such majesty
+Invests him coming! yet not terrible,
+That I should fear; nor sociably mild,
+As Raphael, that I should much confide;
+But solemn and sublime; whom not to offend,
+With reverence I must meet, and thou retire.
+He ended: and the Arch-Angel soon drew nigh,
+Not in his shape celestial, but as man
+Clad to meet man; over his lucid arms
+A military vest of purple flowed,
+Livelier than Meliboean, or the grain
+Of Sarra, worn by kings and heroes old
+In time of truce; Iris had dipt the woof;
+His starry helm unbuckled showed him prime
+In manhood where youth ended; by his side,
+As in a glistering zodiack, hung the sword,
+Satan's dire dread; and in his hand the spear.
+Adam bowed low; he, kingly, from his state
+Inclined not, but his coming thus declared.
+Adam, Heaven's high behest no preface needs:
+Sufficient that thy prayers are heard; and Death,
+Then due by sentence when thou didst transgress,
+Defeated of his seisure many days
+Given thee of grace; wherein thou mayest repent,
+And one bad act with many deeds well done
+Mayest cover:  Well may then thy Lord, appeased,
+Redeem thee quite from Death's rapacious claim;
+But longer in this Paradise to dwell
+Permits not: to remove thee I am come,
+And send thee from the garden forth to till
+The ground whence thou wast taken, fitter soil.
+He added not; for Adam at the news
+Heart-struck with chilling gripe of sorrow stood,
+That all his senses bound; Eve, who unseen
+Yet all had heard, with audible lament
+Discovered soon the place of her retire.
+O unexpected stroke, worse than of Death!
+Must I thus leave thee$ Paradise? thus leave
+Thee, native soil! these happy walks and shades,
+Fit haunt of Gods? where I had hope to spend,
+Quiet though sad, the respite of that day
+That must be mortal to us both.  O flowers,
+That never will in other climate grow,
+My early visitation, and my last
+ ;t even, which I bred up with tender hand
+From the first opening bud, and gave ye names!
+Who now shall rear ye to the sun, or rank
+Your tribes, and water from the ambrosial fount?
+Thee lastly, nuptial bower! by me adorned
+With what to sight or smell was sweet! from thee
+How shall I part, and whither wander down
+Into a lower world; to this obscure
+And wild? how shall we breathe in other air
+Less pure, accustomed to immortal fruits?
+Whom thus the Angel interrupted mild.
+Lament not, Eve, but patiently resign
+What justly thou hast lost, nor set thy heart,
+Thus over-fond, on that which is not thine:
+Thy going is not lonely; with thee goes
+Thy husband; whom to follow thou art bound;
+Where he abides, think there thy native soil.
+Adam, by this from the cold sudden damp
+Recovering, and his scattered spirits returned,
+To Michael thus his humble words addressed.
+Celestial, whether among the Thrones, or named
+Of them the highest; for such of shape may seem
+Prince above princes! gently hast thou told
+Thy message, which might else in telling wound,
+And in performing end us; what besides
+Of sorrow, and dejection, and despair,
+Our frailty can sustain, thy tidings bring,
+Departure from this happy place, our sweet
+Recess, and only consolation left
+Familiar to our eyes! all places else
+Inhospitable appear, and desolate;
+Nor knowing us, nor known:  And, if by prayer
+Incessant I could hope to change the will
+Of Him who all things can, I would not cease
+To weary him with my assiduous cries:
+But prayer against his absolute decree
+No more avails than breath against the wind,
+Blown stifling back on him that breathes it forth:
+Therefore to his great bidding I submit.
+This most afflicts me, that, departing hence,
+As from his face I shall be hid, deprived
+His blessed countenance:  Here I could frequent
+With worship place by place where he vouchsafed
+Presence Divine; and to my sons relate,
+'On this mount he appeared; under this tree
+'Stood visible; among these pines his voice
+'I heard; here with him at this fountain talked:
+So many grateful altars I would rear
+Of grassy turf, and pile up every stone
+Of lustre from the brook, in memory,
+Or monument to ages; and theron
+Offer sweet-smelling gums, and fruits, and flowers:
+In yonder nether world where shall I seek
+His bright appearances, or foot-step trace?
+For though I fled him angry, yet recalled
+To life prolonged and promised race, I now
+Gladly behold though but his utmost skirts
+Of glory; and far off his steps adore.
+To whom thus Michael with regard benign.
+Adam, thou knowest Heaven his, and all the Earth;
+Not this rock only; his Omnipresence fills
+Land, sea, and air, and every kind that lives,
+Fomented by his virtual power and warmed:
+All the earth he gave thee to possess and rule,
+No despicable gift; surmise not then
+His presence to these narrow bounds confined
+Of Paradise, or Eden: this had been
+Perhaps thy capital seat, from whence had spread
+All generations; and had hither come
+From all the ends of the earth, to celebrate
+And reverence thee, their great progenitor.
+But this pre-eminence thou hast lost, brought down
+To dwell on even ground now with thy sons:
+Yet doubt not but in valley, and in plain,
+God is, as here; and will be found alike
+Present; and of his presence many a sign
+Still following thee, still compassing thee round
+With goodness and paternal love, his face
+Express, and of his steps the track divine.
+Which that thou mayest believe, and be confirmed
+Ere thou from hence depart; know, I am sent
+To show thee what shall come in future days
+To thee, and to thy offspring: good with bad
+Expect to hear; supernal grace contending
+With sinfulness of men; thereby to learn
+True patience, and to temper joy with fear
+And pious sorrow; equally inured
+By moderation either state to bear,
+Prosperous or adverse: so shalt thou lead
+Safest thy life, and best prepared endure
+Thy mortal passage when it comes.--Ascend
+This hill; let Eve (for I have drenched her eyes)
+Here sleep below; while thou to foresight wakest;
+As once thou sleptst, while she to life was formed.
+To whom thus Adam gratefully replied.
+Ascend, I follow thee, safe Guide, the path
+Thou leadest me; and to the hand of Heaven submit,
+However chastening; to the evil turn
+My obvious breast; arming to overcome
+By suffering, and earn rest from labour won,
+If so I may attain. -- So both ascend
+In the visions of God.  It was a hill,
+Of Paradise the highest; from whose top
+The hemisphere of earth, in clearest ken,
+Stretched out to the amplest reach of prospect lay.
+Not higher that hill, nor wider looking round,
+Whereon, for different cause, the Tempter set
+Our second Adam, in the wilderness;
+To show him all Earth's kingdoms, and their glory.
+His eye might there command wherever stood
+City of old or modern fame, the seat
+Of mightiest empire, from the destined walls
+Of Cambalu, seat of Cathaian Can,
+And Samarchand by Oxus, Temir's throne,
+To Paquin of Sinaean kings; and thence
+To Agra and Lahor of great Mogul,
+Down to the golden Chersonese; or where
+The Persian in Ecbatan sat, or since
+In Hispahan; or where the Russian Ksar
+In Mosco; or the Sultan in Bizance,
+Turchestan-born; nor could his eye not ken
+The empire of Negus to his utmost port
+Ercoco, and the less maritim kings
+Mombaza, and Quiloa, and Melind,
+And Sofala, thought Ophir, to the realm
+Of Congo, and Angola farthest south;
+Or thence from Niger flood to Atlas mount
+The kingdoms of Almansor, Fez and Sus,
+Morocco, and Algiers, and Tremisen;
+On Europe thence, and where Rome was to sway
+The world: in spirit perhaps he also saw
+Rich Mexico, the seat of Montezume,
+And Cusco in Peru, the richer seat
+Of Atabalipa; and yet unspoiled
+Guiana, whose great city Geryon's sons
+Call El Dorado.  But to nobler sights
+Michael from Adam's eyes the film removed,
+Which that false fruit that promised clearer sight
+Had bred; then purged with euphrasy and rue
+The visual nerve, for he had much to see;
+And from the well of life three drops instilled.
+So deep the power of these ingredients pierced,
+Even to the inmost seat of mental sight,
+That Adam, now enforced to close his eyes,
+Sunk down, and all his spirits became entranced;
+But him the gentle Angel by the hand
+Soon raised, and his attention thus recalled.
+Adam, now ope thine eyes; and first behold
+The effects, which thy original crime hath wrought
+In some to spring from thee; who never touched
+The excepted tree; nor with the snake conspired;
+Nor sinned thy sin; yet from that sin derive
+Corruption, to bring forth more violent deeds.
+His eyes he opened, and beheld a field,
+Part arable and tilth, whereon were sheaves
+New reaped; the other part sheep-walks and folds;
+I' the midst an altar as the land-mark stood,
+Rustick, of grassy sord; thither anon
+A sweaty reaper from his tillage brought
+First fruits, the green ear, and the yellow sheaf,
+Unculled, as came to hand; a shepherd next,
+More meek, came with the firstlings of his flock,
+Choicest and best; then, sacrificing, laid
+The inwards and their fat, with incense strowed,
+On the cleft wood, and all due rights performed:
+His offering soon propitious fire from Heaven
+Consumed with nimble glance, and grateful steam;
+The other's not, for his was not sincere;
+Whereat he inly raged, and, as they talked,
+Smote him into the midriff with a stone
+That beat out life; he fell;and, deadly pale,
+Groaned out his soul with gushing blood effused.
+Much at that sight was Adam in his heart
+Dismayed, and thus in haste to the Angel cried.
+O Teacher, some great mischief hath befallen
+To that meek man, who well had sacrificed;
+Is piety thus and pure devotion paid?
+To whom Michael thus, he also moved, replied.
+These two are brethren, Adam, and to come
+Out of thy loins; the unjust the just hath slain,
+For envy that his brother's offering found
+From Heaven acceptance; but the bloody fact
+Will be avenged; and the other's faith, approved,
+Lose no reward; though here thou see him die,
+Rolling in dust and gore.  To which our sire.
+Alas! both for the deed, and for the cause!
+But have I now seen Death?  Is this the way
+I must return to native dust?  O sight
+Of terrour, foul and ugly to behold,
+Horrid to think, how horrible to feel!
+To whom thus Michael.  Death thou hast seen
+In his first shape on Man; but many shapes
+Of Death, and many are the ways that lead
+To his grim cave, all dismal; yet to sense
+More terrible at the entrance, than within.
+Some, as thou sawest, by violent stroke shall die;
+By fire, flood, famine, by intemperance more
+In meats and drinks, which on the earth shall bring
+Diseases dire, of which a monstrous crew
+Before thee shall appear; that thou mayest know
+What misery the inabstinence of Eve
+Shall bring on Men.  Immediately a place
+Before his eyes appeared, sad, noisome, dark;
+A lazar-house it seemed; wherein were laid
+Numbers of all diseased; all maladies
+Of ghastly spasm, or racking torture, qualms
+Of heart-sick agony, all feverous kinds,
+Convulsions, epilepsies, fierce catarrhs,
+Intestine stone and ulcer, colick-pangs,
+Demoniack phrenzy, moaping melancholy,
+And moon-struck madness, pining atrophy,
+Marasmus, and wide-wasting pestilence,
+Dropsies, and asthmas, and joint-racking rheums.
+Dire was the tossing, deep the groans; Despair
+Tended the sick busiest from couch to couch;
+And over them triumphant Death his dart
+Shook, but delayed to strike, though oft invoked
+With vows, as their chief good, and final hope.
+Sight so deform what heart of rock could long
+Dry-eyed behold?  Adam could not, but wept,
+Though not of woman born; compassion quelled
+His best of man, and gave him up to tears
+A space, till firmer thoughts restrained excess;
+And, scarce recovering words, his plaint renewed.
+O miserable mankind, to what fall
+Degraded, to what wretched state reserved!
+Better end here unborn.  Why is life given
+To be thus wrested from us? rather, why
+Obtruded on us thus? who, if we knew
+What we receive, would either no accept
+Life offered, or soon beg to lay it down;
+Glad to be so dismissed in peace.  Can thus
+The image of God in Man, created once
+So goodly and erect, though faulty since,
+To such unsightly sufferings be debased
+Under inhuman pains?  Why should not Man,
+Retaining still divine similitude
+In part, from such deformities be free,
+And, for his Maker's image sake, exempt?
+Their Maker's image, answered Michael, then
+Forsook them, when themselves they vilified
+To serve ungoverned Appetite; and took
+His image whom they served, a brutish vice,
+Inductive mainly to the sin of Eve.
+Therefore so abject is their punishment,
+Disfiguring not God's likeness, but their own;
+Or if his likeness, by themselves defaced;
+While they pervert pure Nature's healthful rules
+To loathsome sickness; worthily, since they
+God's image did not reverence in themselves.
+I yield it just, said Adam, and submit.
+But is there yet no other way, besides
+These painful passages, how we may come
+To death, and mix with our connatural dust?
+There is, said Michael, if thou well observe
+The rule of Not too much; by temperance taught,
+In what thou eatest and drinkest; seeking from thence
+Due nourishment, not gluttonous delight,
+Till many years over thy head return:
+So mayest thou live; till, like ripe fruit, thou drop
+Into thy mother's lap; or be with ease
+Gathered, nor harshly plucked; for death mature:
+This is Old Age; but then, thou must outlive
+Thy youth, thy strength, thy beauty; which will change
+To withered, weak, and gray; thy senses then,
+Obtuse, all taste of pleasure must forego,
+To what thou hast; and, for the air of youth,
+Hopeful and cheerful, in thy blood will reign
+A melancholy damp of cold and dry
+To weigh thy spirits down, and last consume
+The balm of life.  To whom our ancestor.
+Henceforth I fly not death, nor would prolong
+Life much; bent rather, how I may be quit,
+Fairest and easiest, of this cumbrous charge;
+Which I must keep till my appointed day
+Of rendering up, and patiently attend
+My dissolution.  Michael replied.
+Nor love thy life, nor hate; but what thou livest
+Live well; how long, or short, permit to Heaven:
+And now prepare thee for another sight.
+He looked, and saw a spacious plain, whereon
+Were tents of various hue; by some, were herds
+Of cattle grazing; others, whence the sound
+Of instruments, that made melodious chime,
+Was heard, of harp and organ; and, who moved
+Their stops and chords, was seen; his volant touch,
+Instinct through all proportions, low and high,
+Fled and pursued transverse the resonant fugue.
+In other part stood one who, at the forge
+Labouring, two massy clods of iron and brass
+Had melted, (whether found where casual fire
+Had wasted woods on mountain or in vale,
+Down to the veins of earth; thence gliding hot
+To some cave's mouth; or whether washed by stream
+From underground;) the liquid ore he drained
+Into fit moulds prepared; from which he formed
+First his own tools; then, what might else be wrought
+Fusil or graven in metal.  After these,
+But on the hither side, a different sort
+From the high neighbouring hills, which was their seat,
+Down to the plain descended; by their guise
+Just men they seemed, and all their study bent
+To worship God aright, and know his works
+Not hid; nor those things last, which might preserve
+Freedom and peace to Men; they on the plain
+Long had not walked, when from the tents, behold!
+A bevy of fair women, richly gay
+In gems and wanton dress; to the harp they sung
+Soft amorous ditties, and in dance came on:
+The men, though grave, eyed them; and let their eyes
+Rove without rein; till, in the amorous net
+Fast caught, they liked; and each his liking chose;
+And now of love they treat, till the evening-star,
+Love's harbinger, appeared; then, all in heat
+They light the nuptial torch, and bid invoke
+Hymen, then first to marriage rites invoked:
+With feast and musick all the tents resound.
+Such happy interview, and fair event
+Of love and youth not lost, songs, garlands, flowers,
+And charming symphonies, attached the heart
+Of Adam, soon inclined to admit delight,
+The bent of nature; which he thus expressed.
+True opener of mine eyes, prime Angel blest;
+Much better seems this vision, and more hope
+Of peaceful days portends, than those two past;
+Those were of hate and death, or pain much worse;
+Here Nature seems fulfilled in all her ends.
+To whom thus Michael.  Judge not what is best
+By pleasure, though to nature seeming meet;
+Created, as thou art, to nobler end
+Holy and pure, conformity divine.
+Those tents thou sawest so pleasant, were the tents
+Of wickedness, wherein shall dwell his race
+Who slew his brother; studious they appear
+Of arts that polish life, inventers rare;
+Unmindful of their Maker, though his Spirit
+Taught them; but they his gifts acknowledged none.
+Yet they a beauteous offspring shall beget;
+For that fair female troop thou sawest, that seemed
+Of Goddesses, so blithe, so smooth, so gay,
+Yet empty of all good wherein consists
+Woman's domestick honour and chief praise;
+Bred only and completed to the taste
+Of lustful appetence, to sing, to dance,
+To dress, and troll the tongue, and roll the eye:
+To these that sober race of men, whose lives
+Religious titled them the sons of God,
+Shall yield up all their virtue, all their fame
+Ignobly, to the trains and to the smiles
+Of these fair atheists; and now swim in joy,
+Erelong to swim at large; and laugh, for which
+The world erelong a world of tears must weep.
+To whom thus Adam, of short joy bereft.
+O pity and shame, that they, who to live well
+Entered so fair, should turn aside to tread
+Paths indirect, or in the mid way faint!
+But still I see the tenour of Man's woe
+Holds on the same, from Woman to begin.
+From Man's effeminate slackness it begins,
+Said the Angel, who should better hold his place
+By wisdom, and superiour gifts received.
+But now prepare thee for another scene.
+He looked, and saw wide territory spread
+Before him, towns, and rural works between;
+Cities of men with lofty gates and towers,
+Concourse in arms, fierce faces threatening war,
+Giants of mighty bone and bold emprise;
+Part wield their arms, part curb the foaming steed,
+Single or in array of battle ranged
+Both horse and foot, nor idly mustering stood;
+One way a band select from forage drives
+A herd of beeves, fair oxen and fair kine,
+From a fat meadow ground; or fleecy flock,
+Ewes and their bleating lambs over the plain,
+Their booty; scarce with life the shepherds fly,
+But call in aid, which makes a bloody fray;
+With cruel tournament the squadrons join;
+Where cattle pastured late, now scattered lies
+With carcasses and arms the ensanguined field,
+Deserted:  Others to a city strong
+Lay siege, encamped; by battery, scale, and mine,
+Assaulting; others from the wall defend
+With dart and javelin, stones, and sulphurous fire;
+On each hand slaughter, and gigantick deeds.
+In other part the sceptered heralds call
+To council, in the city-gates; anon
+Gray-headed men and grave, with warriours mixed,
+Assemble, and harangues are heard; but soon,
+In factious opposition; till at last,
+Of middle age one rising, eminent
+In wise deport, spake much of right and wrong,
+Of justice, or religion, truth, and peace,
+And judgement from above: him old and young
+Exploded, and had seized with violent hands,
+Had not a cloud descending snatched him thence
+Unseen amid the throng: so violence
+Proceeded, and oppression, and sword-law,
+Through all the plain, and refuge none was found.
+Adam was all in tears, and to his guide
+Lamenting turned full sad; O!what are these,
+Death's ministers, not men? who thus deal death
+Inhumanly to men, and multiply
+Ten thousandfold the sin of him who slew
+His brother: for of whom such massacre
+Make they, but of their brethren; men of men
+But who was that just man, whom had not Heaven
+Rescued, had in his righteousness been lost?
+To whom thus Michael.  These are the product
+Of those ill-mated marriages thou sawest;
+Where good with bad were matched, who of themselves
+Abhor to join; and, by imprudence mixed,
+Produce prodigious births of body or mind.
+Such were these giants, men of high renown;
+For in those days might only shall be admired,
+And valour and heroick virtue called;
+To overcome in battle, and subdue
+Nations, and bring home spoils with infinite
+Man-slaughter, shall be held the highest pitch
+Of human glory; and for glory done
+Of triumph, to be styled great conquerours
+Patrons of mankind, Gods, and sons of Gods;
+Destroyers rightlier called, and plagues of men.
+Thus fame shall be achieved, renown on earth;
+And what most merits fame, in silence hid.
+But he, the seventh from thee, whom thou beheldst
+The only righteous in a world preverse,
+And therefore hated, therefore so beset
+With foes, for daring single to be just,
+And utter odious truth, that God would come
+To judge them with his Saints; him the Most High
+Rapt in a balmy cloud with winged steeds
+Did, as thou sawest, receive, to walk with God
+High in salvation and the climes of bliss,
+Exempt from death; to show thee what reward
+Awaits the good; the rest what punishment;
+Which now direct thine eyes and soon behold.
+He looked, and saw the face of things quite changed;
+The brazen throat of war had ceased to roar;
+All now was turned to jollity and game,
+To luxury and riot, feast and dance;
+Marrying or prostituting, as befel,
+Rape or adultery, where passing fair
+Allured them; thence from cups to civil broils.
+At length a reverend sire among them came,
+And of their doings great dislike declared,
+And testified against their ways; he oft
+Frequented their assemblies, whereso met,
+Triumphs or festivals; and to them preached
+Conversion and repentance, as to souls
+In prison, under judgements imminent:
+But all in vain: which when he saw, he ceased
+Contending, and removed his tents far off;
+Then, from the mountain hewing timber tall,
+Began to build a vessel of huge bulk;
+Measured by cubit, length, and breadth, and highth;
+Smeared round with pitch; and in the side a door
+Contrived; and of provisions laid in large,
+For man and beast: when lo, a wonder strange!
+Of every beast, and bird, and insect small,
+Came sevens, and pairs; and entered in as taught
+Their order: last the sire and his three sons,
+With their four wives; and God made fast the door.
+Mean while the south-wind rose, and, with black wings
+Wide-hovering, all the clouds together drove
+From under Heaven; the hills to their supply
+Vapour, and exhalation dusk and moist,
+Sent up amain; and now the thickened sky
+Like a dark cieling stood; down rushed the rain
+Impetuous; and continued, till the earth
+No more was seen: the floating vessel swum
+Uplifted, and secure with beaked prow
+Rode tilting o'er the waves; all dwellings else
+Flood overwhelmed, and them with all their pomp
+Deep under water rolled; sea covered sea,
+Sea without shore; and in their palaces,
+Where luxury late reigned, sea-monsters whelped
+And stabled; of mankind, so numerous late,
+All left, in one small bottom swum imbarked.
+How didst thou grieve then, Adam, to behold
+The end of all thy offspring, end so sad,
+Depopulation!  Thee another flood,
+Of tears and sorrow a flood, thee also drowned,
+And sunk thee as thy sons; till, gently reared
+By the Angel, on thy feet thou stoodest at last,
+Though comfortless; as when a father mourns
+His children, all in view destroyed at once;
+And scarce to the Angel utter'dst thus thy plaint.
+O visions ill foreseen!  Better had I
+Lived ignorant of future! so had borne
+My part of evil only, each day's lot
+Enough to bear; those now, that were dispensed
+The burden of many ages, on me light
+At once, by my foreknowledge gaining birth
+Abortive, to torment me ere their being,
+With thought that they must be.  Let no man seek
+Henceforth to be foretold, what shall befall
+Him or his children; evil he may be sure,
+Which neither his foreknowing can prevent;
+And he the future evil shall no less
+In apprehension than in substance feel,
+Grievous to bear: but that care now is past,
+Man is not whom to warn: those few escaped
+Famine and anguish will at last consume,
+Wandering that watery desart:  I had hope,
+When violence was ceased, and war on earth,
+All would have then gone well; peace would have crowned
+With length of happy days the race of Man;
+But I was far deceived; for now I see
+Peace to corrupt no less than war to waste.
+How comes it thus? unfold, celestial Guide,
+And whether here the race of Man will end.
+To whom thus Michael.  Those, whom last thou sawest
+In triumph and luxurious wealth, are they
+First seen in acts of prowess eminent
+And great exploits, but of true virtue void;
+Who, having spilt much blood, and done much wast
+Subduing nations, and achieved thereby
+Fame in the world, high titles, and rich prey;
+Shall change their course to pleasure, ease, and sloth,
+Surfeit, and lust; till wantonness and pride
+Raise out of friendship hostile deeds in peace.
+The conquered also, and enslaved by war,
+Shall, with their freedom lost, all virtue lose
+And fear of God; from whom their piety feigned
+In sharp contest of battle found no aid
+Against invaders; therefore, cooled in zeal,
+Thenceforth shall practice how to live secure,
+Worldly or dissolute, on what their lords
+Shall leave them to enjoy; for the earth shall bear
+More than enough, that temperance may be tried:
+So all shall turn degenerate, all depraved;
+Justice and temperance, truth and faith, forgot;
+One man except, the only son of light
+In a dark age, against example good,
+Against allurement, custom, and a world
+Offended: fearless of reproach and scorn,
+The grand-child, with twelve sons encreased, departs
+From Canaan, to a land hereafter called
+Egypt, divided by the river Nile;
+See where it flows, disgorging at seven mouths
+Into the sea:  To sojourn in that land
+He comes, invited by a younger son
+In time of dearth; a son, whose worthy deeds
+Raise him to be the second in that realm
+Of Pharaoh:  There he dies, and leaves his race
+Growing into a nation, and now grown
+Suspected to a sequent king, who seeks
+To stop their overgrowth, as inmate guests
+Or violence, he of their wicked ways
+Shall them admonish; and before them set
+The paths of righteousness, how much more safe
+And full of peace; denouncing wrath to come
+On their impenitence; and shall return
+Of them derided, but of God observed
+The one just man alive; by his command
+Shall build a wonderous ark, as thou beheldst,
+To save himself, and houshold, from amidst
+A world devote to universal wrack.
+No sooner he, with them of man and beast
+Select for life, shall in the ark be lodged,
+And sheltered round; but all the cataracts
+Of Heaven set open on the Earth shall pour
+Rain, day and night; all fountains of the deep,
+Broke up, shall heave the ocean to usurp
+Beyond all bounds; till inundation rise
+Above the highest hills:  Then shall this mount
+Of Paradise by might of waves be moved
+Out of his place, pushed by the horned flood,
+With all his verdure spoiled, and trees adrift,
+Down the great river to the opening gulf,
+And there take root an island salt and bare,
+The haunt of seals, and orcs, and sea-mews' clang:
+To teach thee that God attributes to place
+No sanctity, if none be thither brought
+By men who there frequent, or therein dwell.
+And now, what further shall ensue, behold.
+He looked, and saw the ark hull on the flood,
+Which now abated; for the clouds were fled,
+Driven by a keen north-wind, that, blowing dry,
+Wrinkled the face of deluge, as decayed;
+And the clear sun on his wide watery glass
+Gazed hot, and of the fresh wave largely drew,
+As after thirst; which made their flowing shrink
+From standing lake to tripping ebb, that stole
+With soft foot towards the deep; who now had stopt
+His sluces, as the Heaven his windows shut.
+The ark no more now floats, but seems on ground,
+Fast on the top of some high mountain fixed.
+And now the tops of hills, as rocks, appear;
+With clamour thence the rapid currents drive,
+Towards the retreating sea, their furious tide.
+Forthwith from out the ark a raven flies,
+And after him, the surer messenger,
+A dove sent forth once and again to spy
+Green tree or ground, whereon his foot may light:
+The second time returning, in his bill
+An olive-leaf he brings, pacifick sign:
+Anon dry ground appears, and from his ark
+The ancient sire descends, with all his train;
+Then with uplifted hands, and eyes devout,
+Grateful to Heaven, over his head beholds
+A dewy cloud, and in the cloud a bow
+Conspicuous with three lifted colours gay,
+Betokening peace from God, and covenant new.
+Whereat the heart of Adam, erst so sad,
+Greatly rejoiced; and thus his joy broke forth.
+O thou, who future things canst represent
+As present, heavenly Instructer!  I revive
+At this last sight; assured that Man shall live,
+With all the creatures, and their seed preserve.
+Far less I now lament for one whole world
+Of wicked sons destroyed, than I rejoice
+For one man found so perfect, and so just,
+That God vouchsafes to raise another world
+From him, and all his anger to forget.
+But say, what mean those coloured streaks in Heaven
+Distended, as the brow of God appeased?
+Or serve they, as a flowery verge, to bind
+The fluid skirts of that same watery cloud,
+Lest it again dissolve, and shower the earth?
+To whom the Arch-Angel.  Dextrously thou aimest;
+So willingly doth God remit his ire,
+Though late repenting him of Man depraved;
+Grieved at his heart, when looking down he saw
+The whole earth filled with violence, and all flesh
+Corrupting each their way; yet, those removed,
+Such grace shall one just man find in his sight,
+That he relents, not to blot out mankind;
+And makes a covenant never to destroy
+The earth again by flood; nor let the sea
+Surpass his bounds; nor rain to drown the world,
+With man therein or beast; but, when he brings
+Over the earth a cloud, will therein set
+His triple-coloured bow, whereon to look,
+And call to mind his covenant: Day and night,
+Seed-time and harvest, heat and hoary frost,
+Shall hold their course; till fire purge all things new,
+Both Heaven and Earth, wherein the just shall dwell.
+
+
+
+Book XII
+
+
+As one who in his journey bates at noon,
+Though bent on speed; so here the Arch-Angel paused
+Betwixt the world destroyed and world restored,
+If Adam aught perhaps might interpose;
+Then, with transition sweet, new speech resumes.
+Thus thou hast seen one world begin, and end;
+And Man, as from a second stock, proceed.
+Much thou hast yet to see; but I perceive
+Thy mortal sight to fail; objects divine
+Must needs impair and weary human sense:
+Henceforth what is to come I will relate;
+Thou therefore give due audience, and attend.
+This second source of Men, while yet but few,
+And while the dread of judgement past remains
+Fresh in their minds, fearing the Deity,
+With some regard to what is just and right
+Shall lead their lives, and multiply apace;
+Labouring the soil, and reaping plenteous crop,
+Corn, wine, and oil; and, from the herd or flock,
+Oft sacrificing bullock, lamb, or kid,
+With large wine-offerings poured, and sacred feast,
+Shall spend their days in joy unblamed; and dwell
+Long time in peace, by families and tribes,
+Under paternal rule: till one shall rise
+Of proud ambitious heart; who, not content
+With fair equality, fraternal state,
+Will arrogate dominion undeserved
+Over his brethren, and quite dispossess
+Concord and law of nature from the earth;
+Hunting (and men not beasts shall be his game)
+With war, and hostile snare, such as refuse
+Subjection to his empire tyrannous:
+A mighty hunter thence he shall be styled
+Before the Lord; as in despite of Heaven,
+Or from Heaven, claiming second sovranty;
+And from rebellion shall derive his name,
+Though of rebellion others he accuse.
+He with a crew, whom like ambition joins
+With him or under him to tyrannize,
+Marching from Eden towards the west, shall find
+The plain, wherein a black bituminous gurge
+Boils out from under ground, the mouth of Hell:
+Of brick, and of that stuff, they cast to build
+A city and tower, whose top may reach to Heaven;
+And get themselves a name; lest, far dispersed
+In foreign lands, their memory be lost;
+Regardless whether good or evil fame.
+But God, who oft descends to visit men
+Unseen, and through their habitations walks
+To mark their doings, them beholding soon,
+Comes down to see their city, ere the tower
+Obstruct Heaven-towers, and in derision sets
+Upon their tongues a various spirit, to rase
+Quite out their native language; and, instead,
+To sow a jangling noise of words unknown:
+Forthwith a hideous gabble rises loud,
+Among the builders; each to other calls
+Not understood; till hoarse, and all in rage,
+As mocked they storm: great laughter was in Heaven,
+And looking down, to see the hubbub strange,
+And hear the din:  Thus was the building left
+Ridiculous, and the work Confusion named.
+Whereto thus Adam, fatherly displeased.
+O execrable son! so to aspire
+Above his brethren; to himself assuming
+Authority usurped, from God not given:
+He gave us only over beast, fish, fowl,
+Dominion absolute; that right we hold
+By his donation; but man over men
+He made not lord; such title to himself
+Reserving, human left from human free.
+But this usurper his encroachment proud
+Stays not on Man; to God his tower intends
+Siege and defiance:  Wretched man!what food
+Will he convey up thither, to sustain
+Himself and his rash army; where thin air
+Above the clouds will pine his entrails gross,
+And famish him of breath, if not of bread?
+To whom thus Michael.  Justly thou abhorrest
+That son, who on the quiet state of men
+Such trouble brought, affecting to subdue
+Rational liberty; yet know withal,
+Since thy original lapse, true liberty
+Is lost, which always with right reason dwells
+Twinned, and from her hath no dividual being:
+Reason in man obscured, or not obeyed,
+Immediately inordinate desires,
+And upstart passions, catch the government
+From reason; and to servitude reduce
+Man, till then free.  Therefore, since he permits
+Within himself unworthy powers to reign
+Over free reason, God, in judgement just,
+Subjects him from without to violent lords;
+Who oft as undeservedly enthrall
+His outward freedom:  Tyranny must be;
+Though to the tyrant thereby no excuse.
+Yet sometimes nations will decline so low
+From virtue, which is reason, that no wrong,
+But justice, and some fatal curse annexed,
+Deprives them of their outward liberty;
+Their inward lost:  Witness the irreverent son
+Of him who built the ark; who, for the shame
+Done to his father, heard this heavy curse,
+Servant of servants, on his vicious race.
+Thus will this latter, as the former world,
+Still tend from bad to worse; till God at last,
+Wearied with their iniquities, withdraw
+His presence from among them, and avert
+His holy eyes; resolving from thenceforth
+To leave them to their own polluted ways;
+And one peculiar nation to select
+From all the rest, of whom to be invoked,
+A nation from one faithful man to spring:
+Him on this side Euphrates yet residing,
+Bred up in idol-worship:  O, that men
+(Canst thou believe?) should be so stupid grown,
+While yet the patriarch lived, who 'scaped the flood,
+As to forsake the living God, and fall
+To worship their own work in wood and stone
+For Gods!  Yet him God the Most High vouchsafes
+To call by vision, from his father's house,
+His kindred, and false Gods, into a land
+Which he will show him; and from him will raise
+A mighty nation; and upon him shower
+His benediction so, that in his seed
+All nations shall be blest: he straight obeys;
+Not knowing to what land, yet firm believes:
+I see him, but thou canst not, with what faith
+He leaves his Gods, his friends, and native soil,
+Ur of Chaldaea, passing now the ford
+To Haran; after him a cumbrous train
+Of herds and flocks, and numerous servitude;
+Not wandering poor, but trusting all his wealth
+With God, who called him, in a land unknown.
+Canaan he now attains; I see his tents
+Pitched about Sechem, and the neighbouring plain
+Of Moreh; there by promise he receives
+Gift to his progeny of all that land,
+From Hameth northward to the Desart south;
+(Things by their names I call, though yet unnamed;)
+From Hermon east to the great western Sea;
+Mount Hermon, yonder sea; each place behold
+In prospect, as I point them; on the shore
+Mount Carmel; here, the double-founted stream,
+Jordan, true limit eastward; but his sons
+Shall dwell to Senir, that long ridge of hills.
+This ponder, that all nations of the earth
+Shall in his seed be blessed:  By that seed
+Is meant thy great Deliverer, who shall bruise
+The Serpent's head; whereof to thee anon
+Plainlier shall be revealed.  This patriarch blest,
+Whom faithful Abraham due time shall call,
+A son, and of his son a grand-child, leaves;
+Like him in faith, in wisdom, and renown:
+The grandchild, with twelve sons increased, departs
+From Canaan to a land hereafter called
+Egypt, divided by the river Nile
+See where it flows, disgorging at seven mouths
+Into the sea. To sojourn in that land
+He comes, invited by a younger son
+In time of dearth, a son whose worthy deeds
+Raise him to be the second in that realm
+Of Pharaoh. There he dies, and leaves his race
+Growing into a nation, and now grown
+Suspected to a sequent king, who seeks
+To stop their overgrowth, as inmate guests
+Too numerous; whence of guests he makes them slaves
+Inhospitably, and kills their infant males:
+Till by two brethren (these two brethren call
+Moses and Aaron) sent from God to claim
+His people from enthralment, they return,
+With glory and spoil, back to their promised land.
+But first, the lawless tyrant, who denies
+To know their God, or message to regard,
+Must be compelled by signs and judgements dire;
+To blood unshed the rivers must be turned;
+Frogs, lice, and flies, must all his palace fill
+With loathed intrusion, and fill all the land;
+His cattle must of rot and murren die;
+Botches and blains must all his flesh emboss,
+And all his people; thunder mixed with hail,
+Hail mixed with fire, must rend the Egyptians sky,
+And wheel on the earth, devouring where it rolls;
+What it devours not, herb, or fruit, or grain,
+A darksome cloud of locusts swarming down
+Must eat, and on the ground leave nothing green;
+Darkness must overshadow all his bounds,
+Palpable darkness, and blot out three days;
+Last, with one midnight stroke, all the first-born
+Of Egypt must lie dead.  Thus with ten wounds
+The river-dragon tamed at length submits
+To let his sojourners depart, and oft
+Humbles his stubborn heart; but still, as ice
+More hardened after thaw; till, in his rage
+Pursuing whom he late dismissed, the sea
+Swallows him with his host; but them lets pass,
+As on dry land, between two crystal walls;
+Awed by the rod of Moses so to stand
+Divided, till his rescued gain their shore:
+Such wondrous power God to his saint will lend,
+Though present in his Angel; who shall go
+Before them in a cloud, and pillar of fire;
+By day a cloud, by night a pillar of fire;
+To guide them in their journey, and remove
+Behind them, while the obdurate king pursues:
+All night he will pursue; but his approach
+Darkness defends between till morning watch;
+Then through the fiery pillar, and the cloud,
+God looking forth will trouble all his host,
+And craze their chariot-wheels: when by command
+Moses once more his potent rod extends
+Over the sea; the sea his rod obeys;
+On their embattled ranks the waves return,
+And overwhelm their war:  The race elect
+Safe toward Canaan from the shore advance
+Through the wild Desart, not the readiest way;
+Lest, entering on the Canaanite alarmed,
+War terrify them inexpert, and fear
+Return them back to Egypt, choosing rather
+Inglorious life with servitude; for life
+To noble and ignoble is more sweet
+Untrained in arms, where rashness leads not on.
+This also shall they gain by their delay
+In the wide wilderness; there they shall found
+Their government, and their great senate choose
+Through the twelve tribes, to rule by laws ordained:
+God from the mount of Sinai, whose gray top
+Shall tremble, he descending, will himself
+In thunder, lightning, and loud trumpets' sound,
+Ordain them laws; part, such as appertain
+To civil justice; part, religious rites
+Of sacrifice; informing them, by types
+And shadows, of that destined Seed to bruise
+The Serpent, by what means he shall achieve
+Mankind's deliverance.  But the voice of God
+To mortal ear is dreadful:  They beseech
+That Moses might report to them his will,
+And terrour cease; he grants what they besought,
+Instructed that to God is no access
+Without Mediator, whose high office now
+Moses in figure bears; to introduce
+One greater, of whose day he shall foretel,
+And all the Prophets in their age the times
+Of great Messiah shall sing.  Thus, laws and rites
+Established, such delight hath God in Men
+Obedient to his will, that he vouchsafes
+Among them to set up his tabernacle;
+The Holy One with mortal Men to dwell:
+By his prescript a sanctuary is framed
+Of cedar, overlaid with gold; therein
+An ark, and in the ark his testimony,
+The records of his covenant; over these
+A mercy-seat of gold, between the wings
+Of two bright Cherubim; before him burn
+Seven lamps as in a zodiack representing
+The heavenly fires; over the tent a cloud
+Shall rest by day, a fiery gleam by night;
+Save when they journey, and at length they come,
+Conducted by his Angel, to the land
+Promised to Abraham and his seed:--The rest
+Were long to tell; how many battles fought
+How many kings destroyed; and kingdoms won;
+Or how the sun shall in mid Heaven stand still
+A day entire, and night's due course adjourn,
+Man's voice commanding, 'Sun, in Gibeon stand,
+'And thou moon in the vale of Aialon,
+'Till Israel overcome! so call the third
+From Abraham, son of Isaac; and from him
+His whole descent, who thus shall Canaan win.
+Here Adam interposed.  O sent from Heaven,
+Enlightener of my darkness, gracious things
+Thou hast revealed; those chiefly, which concern
+Just Abraham and his seed: now first I find
+Mine eyes true-opening, and my heart much eased;
+Erewhile perplexed with thoughts, what would become
+Of me and all mankind:  But now I see
+His day, in whom all nations shall be blest;
+Favour unmerited by me, who sought
+Forbidden knowledge by forbidden means.
+This yet I apprehend not, why to those
+Among whom God will deign to dwell on earth
+So many and so various laws are given;
+So many laws argue so many sins
+Among them; how can God with such reside?
+To whom thus Michael.  Doubt not but that sin
+Will reign among them, as of thee begot;
+And therefore was law given them, to evince
+Their natural pravity, by stirring up
+Sin against law to fight: that when they see
+Law can discover sin, but not remove,
+Save by those shadowy expiations weak,
+The blood of bulls and goats, they may conclude
+Some blood more precious must be paid for Man;
+Just for unjust; that, in such righteousness
+To them by faith imputed, they may find
+Justification towards God, and peace
+Of conscience; which the law by ceremonies
+Cannot appease; nor Man the mortal part
+Perform; and, not performing, cannot live.
+So law appears imperfect; and but given
+With purpose to resign them, in full time,
+Up to a better covenant; disciplined
+From shadowy types to truth; from flesh to spirit;
+From imposition of strict laws to free
+Acceptance of large grace; from servile fear
+To filial; works of law to works of faith.
+And therefore shall not Moses, though of God
+Highly beloved, being but the minister
+Of law, his people into Canaan lead;
+But Joshua, whom the Gentiles Jesus call,
+His name and office bearing, who shall quell
+The adversary-Serpent, and bring back
+Through the world's wilderness long-wandered Man
+Safe to eternal Paradise of rest.
+Mean while they, in their earthly Canaan placed,
+Long time shall dwell and prosper, but when sins
+National interrupt their publick peace,
+Provoking God to raise them enemies;
+From whom as oft he saves them penitent
+By Judges first, then under Kings; of whom
+The second, both for piety renowned
+And puissant deeds, a promise shall receive
+Irrevocable, that his regal throne
+For ever shall endure; the like shall sing
+All Prophecy, that of the royal stock
+Of David (so I name this king) shall rise
+A Son, the Woman's seed to thee foretold,
+Foretold to Abraham, as in whom shall trust
+All nations; and to kings foretold, of kings
+The last; for of his reign shall be no end.
+But first, a long succession must ensue;
+And his next son, for wealth and wisdom famed,
+The clouded ark of God, till then in tents
+Wandering, shall in a glorious temple enshrine.
+Such follow him, as shall be registered
+Part good, part bad; of bad the longer scroll;
+Whose foul idolatries, and other faults
+Heaped to the popular sum, will so incense
+God, as to leave them, and expose their land,
+Their city, his temple, and his holy ark,
+With all his sacred things, a scorn and prey
+To that proud city, whose high walls thou sawest
+Left in confusion; Babylon thence called.
+There in captivity he lets them dwell
+The space of seventy years; then brings them back,
+Remembering mercy, and his covenant sworn
+To David, stablished as the days of Heaven.
+Returned from Babylon by leave of kings
+Their lords, whom God disposed, the house of God
+They first re-edify; and for a while
+In mean estate live moderate; till, grown
+In wealth and multitude, factious they grow;
+But first among the priests dissention springs,
+Men who attend the altar, and should most
+Endeavour peace: their strife pollution brings
+Upon the temple itself: at last they seise
+The scepter, and regard not David's sons;
+Then lose it to a stranger, that the true
+Anointed King Messiah might be born
+Barred of his right; yet at his birth a star,
+Unseen before in Heaven, proclaims him come;
+And guides the eastern sages, who inquire
+His place, to offer incense, myrrh, and gold:
+His place of birth a solemn Angel tells
+To simple shepherds, keeping watch by night;
+They gladly thither haste, and by a quire
+Of squadroned Angels hear his carol sung.
+A virgin is his mother, but his sire
+The power of the Most High:  He shall ascend
+The throne hereditary, and bound his reign
+With Earth's wide bounds, his glory with the Heavens.
+He ceased, discerning Adam with such joy
+Surcharged, as had like grief been dewed in tears,
+Without the vent of words; which these he breathed.
+O prophet of glad tidings, finisher
+Of utmost hope! now clear I understand
+What oft my steadiest thoughts have searched in vain;
+Why our great Expectation should be called
+The seed of Woman:  Virgin Mother, hail,
+High in the love of Heaven; yet from my loins
+Thou shalt proceed, and from thy womb the Son
+Of God Most High: so God with Man unites!
+Needs must the Serpent now his capital bruise
+Expect with mortal pain:  Say where and when
+Their fight, what stroke shall bruise the victor's heel.
+To whom thus Michael.  Dream not of their fight,
+As of a duel, or the local wounds
+Of head or heel:  Not therefore joins the Son
+Manhood to Godhead, with more strength to foil
+Thy enemy; nor so is overcome
+Satan, whose fall from Heaven, a deadlier bruise,
+Disabled, not to give thee thy death's wound:
+Which he, who comes thy Saviour, shall recure,
+Not by destroying Satan, but his works
+In thee, and in thy seed:  Nor can this be,
+But by fulfilling that which thou didst want,
+Obedience to the law of God, imposed
+On penalty of death, and suffering death;
+The penalty to thy transgression due,
+And due to theirs which out of thine will grow:
+So only can high Justice rest appaid.
+The law of God exact he shall fulfil
+Both by obedience and by love, though love
+Alone fulfil the law; thy punishment
+He shall endure, by coming in the flesh
+To a reproachful life, and cursed death;
+Proclaiming life to all who shall believe
+In his redemption; and that his obedience,
+Imputed, becomes theirs by faith; his merits
+To save them, not their own, though legal, works.
+For this he shall live hated, be blasphemed,
+Seised on by force, judged, and to death condemned
+A shameful and accursed, nailed to the cross
+By his own nation; slain for bringing life:
+But to the cross he nails thy enemies,
+The law that is against thee, and the sins
+Of all mankind, with him there crucified,
+Never to hurt them more who rightly trust
+In this his satisfaction; so he dies,
+But soon revives; Death over him no power
+Shall long usurp; ere the third dawning light
+Return, the stars of morn shall see him rise
+Out of his grave, fresh as the dawning light,
+Thy ransom paid, which Man from death redeems,
+His death for Man, as many as offered life
+Neglect not, and the benefit embrace
+By faith not void of works:  This God-like act
+Annuls thy doom, the death thou shouldest have died,
+In sin for ever lost from life; this act
+Shall bruise the head of Satan, crush his strength,
+Defeating Sin and Death, his two main arms;
+And fix far deeper in his head their stings
+Than temporal death shall bruise the victor's heel,
+Or theirs whom he redeems; a death, like sleep,
+A gentle wafting to immortal life.
+Nor after resurrection shall he stay
+Longer on earth, than certain times to appear
+To his disciples, men who in his life
+Still followed him; to them shall leave in charge
+To teach all nations what of him they learned
+And his salvation; them who shall believe
+Baptizing in the profluent stream, the sign
+Of washing them from guilt of sin to life
+Pure, and in mind prepared, if so befall,
+For death, like that which the Redeemer died.
+All nations they shall teach; for, from that day,
+Not only to the sons of Abraham's loins
+Salvation shall be preached, but to the sons
+Of Abraham's faith wherever through the world;
+So in his seed all nations shall be blest.
+Then to the Heaven of Heavens he shall ascend
+With victory, triumphing through the air
+Over his foes and thine; there shall surprise
+The Serpent, prince of air, and drag in chains
+Through all his realm, and there confounded leave;
+Then enter into glory, and resume
+His seat at God's right hand, exalted high
+Above all names in Heaven; and thence shall come,
+When this world's dissolution shall be ripe,
+With glory and power to judge both quick and dead;
+To judge the unfaithful dead, but to reward
+His faithful, and receive them into bliss,
+Whether in Heaven or Earth; for then the Earth
+Shall all be Paradise, far happier place
+Than this of Eden, and far happier days.
+So spake the Arch-Angel Michael; then paused,
+As at the world's great period; and our sire,
+Replete with joy and wonder, thus replied.
+O Goodness infinite, Goodness immense!
+That all this good of evil shall produce,
+And evil turn to good; more wonderful
+Than that which by creation first brought forth
+Light out of darkness!  Full of doubt I stand,
+Whether I should repent me now of sin
+By me done, and occasioned; or rejoice
+Much more, that much more good thereof shall spring;
+To God more glory, more good-will to Men
+From God, and over wrath grace shall abound.
+But say, if our Deliverer up to Heaven
+Must re-ascend, what will betide the few
+His faithful, left among the unfaithful herd,
+The enemies of truth?  Who then shall guide
+His people, who defend?  Will they not deal
+Worse with his followers than with him they dealt?
+Be sure they will, said the Angel; but from Heaven
+He to his own a Comforter will send,
+The promise of the Father, who shall dwell
+His Spirit within them; and the law of faith,
+Working through love, upon their hearts shall write,
+To guide them in all truth; and also arm
+With spiritual armour, able to resist
+Satan's assaults, and quench his fiery darts;
+What man can do against them, not afraid,
+Though to the death; against such cruelties
+With inward consolations recompensed,
+And oft supported so as shall amaze
+Their proudest persecutors:  For the Spirit,
+Poured first on his Apostles, whom he sends
+To evangelize the nations, then on all
+Baptized, shall them with wonderous gifts endue
+To speak all tongues, and do all miracles,
+As did their Lord before them.  Thus they win
+Great numbers of each nation to receive
+With joy the tidings brought from Heaven:  At length
+Their ministry performed, and race well run,
+Their doctrine and their story written left,
+They die; but in their room, as they forewarn,
+Wolves shall succeed for teachers, grievous wolves,
+Who all the sacred mysteries of Heaven
+To their own vile advantages shall turn
+Of lucre and ambition; and the truth
+With superstitions and traditions taint,
+Left only in those written records pure,
+Though not but by the Spirit understood.
+Then shall they seek to avail themselves of names,
+Places, and titles, and with these to join
+Secular power; though feigning still to act
+By spiritual, to themselves appropriating
+The Spirit of God, promised alike and given
+To all believers; and, from that pretence,
+Spiritual laws by carnal power shall force
+On every conscience; laws which none shall find
+Left them inrolled, or what the Spirit within
+Shall on the heart engrave.  What will they then
+But force the Spirit of Grace itself, and bind
+His consort Liberty? what, but unbuild
+His living temples, built by faith to stand,
+Their own faith, not another's? for, on earth,
+Who against faith and conscience can be heard
+Infallible? yet many will presume:
+Whence heavy persecution shall arise
+On all, who in the worship persevere
+Of spirit and truth; the rest, far greater part,
+Will deem in outward rites and specious forms
+Religion satisfied; Truth shall retire
+Bestuck with slanderous darts, and works of faith
+Rarely be found:  So shall the world go on,
+To good malignant, to bad men benign;
+Under her own weight groaning; till the day
+Appear of respiration to the just,
+And vengeance to the wicked, at return
+Of him so lately promised to thy aid,
+The Woman's Seed; obscurely then foretold,
+Now ampler known thy Saviour and thy Lord;
+Last, in the clouds, from Heaven to be revealed
+In glory of the Father, to dissolve
+Satan with his perverted world; then raise
+From the conflagrant mass, purged and refined,
+New Heavens, new Earth, ages of endless date,
+Founded in righteousness, and peace, and love;
+To bring forth fruits, joy and eternal bliss.
+He ended; and thus Adam last replied.
+How soon hath thy prediction, Seer blest,
+Measured this transient world, the race of time,
+Till time stand fixed!  Beyond is all abyss,
+Eternity, whose end no eye can reach.
+Greatly-instructed I shall hence depart;
+Greatly in peace of thought; and have my fill
+Of knowledge, what this vessel can contain;
+Beyond which was my folly to aspire.
+Henceforth I learn, that to obey is best,
+And love with fear the only God; to walk
+As in his presence; ever to observe
+His providence; and on him sole depend,
+Merciful over all his works, with good
+Still overcoming evil, and by small
+Accomplishing great things, by things deemed weak
+Subverting worldly strong, and worldly wise
+By simply meek: that suffering for truth's sake
+Is fortitude to highest victory,
+And, to the faithful, death the gate of life;
+Taught this by his example, whom I now
+Acknowledge my Redeemer ever blest.
+To whom thus also the Angel last replied.
+This having learned, thou hast attained the sum
+Of wisdom; hope no higher, though all the stars
+Thou knewest by name, and all the ethereal powers,
+All secrets of the deep, all Nature's works,
+Or works of God in Heaven, air, earth, or sea,
+And all the riches of this world enjoyedst,
+And all the rule, one empire; only add
+Deeds to thy knowledge answerable; add faith,
+Add virtue, patience, temperance; add love,
+By name to come called charity, the soul
+Of all the rest: then wilt thou not be loth
+To leave this Paradise, but shalt possess
+A Paradise within thee, happier far.--
+Let us descend now therefore from this top
+Of speculation; for the hour precise
+Exacts our parting hence; and see!the guards,
+By me encamped on yonder hill, expect
+Their motion; at whose front a flaming sword,
+In signal of remove, waves fiercely round:
+We may no longer stay: go, waken Eve;
+Her also I with gentle dreams have calmed
+Portending good, and all her spirits composed
+To meek submission: thou, at season fit,
+Let her with thee partake what thou hast heard;
+Chiefly what may concern her faith to know,
+The great deliverance by her seed to come
+(For by the Woman's seed) on all mankind:
+That ye may live, which will be many days,
+Both in one faith unanimous, though sad,
+With cause, for evils past; yet much more cheered
+With meditation on the happy end.
+He ended, and they both descend the hill;
+Descended, Adam to the bower, where Eve
+Lay sleeping, ran before; but found her waked;
+And thus with words not sad she him received.
+Whence thou returnest, and whither wentest, I know;
+For God is also in sleep; and dreams advise,
+Which he hath sent propitious, some great good
+Presaging, since with sorrow and heart's distress
+Wearied I fell asleep:  But now lead on;
+In me is no delay; with thee to go,
+Is to stay here; without thee here to stay,
+Is to go hence unwilling; thou to me
+Art all things under $Heaven, all places thou,
+Who for my wilful crime art banished hence.
+This further consolation yet secure
+I carry hence; though all by me is lost,
+Such favour I unworthy am vouchsafed,
+By me the Promised Seed shall all restore.
+So spake our mother Eve; and Adam heard
+Well pleased, but answered not:  For now, too nigh
+The Arch-Angel stood; and, from the other hill
+To their fixed station, all in bright array
+The Cherubim descended; on the ground
+Gliding meteorous, as evening-mist
+Risen from a river o'er the marish glides,
+And gathers ground fast at the labourer's heel
+Homeward returning.  High in front advanced,
+The brandished sword of God before them blazed,
+Fierce as a comet; which with torrid heat,
+And vapour as the Libyan air adust,
+Began to parch that temperate clime; whereat
+In either hand the hastening Angel caught
+Our lingering parents, and to the eastern gate
+Led them direct, and down the cliff as fast
+To the subjected plain; then disappeared.
+They, looking back, all the eastern side beheld
+Of Paradise, so late their happy seat,
+Waved over by that flaming brand; the gate
+With dreadful faces thronged, and fiery arms:
+Some natural tears they dropt, but wiped them soon;
+The world was all before them, where to choose
+Their place of rest, and Providence their guide:
+They, hand in hand, with wandering steps and slow,
+Through Eden took their solitary way.
+
+[The End]
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/ptt5 b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/ptt5
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diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/urls.10K b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/urls.10K
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--- /dev/null
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diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/xargs.1 b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/xargs.1
new file mode 100644
index 0000000..a9f39a7
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/comp-testdata/xargs.1
@@ -0,0 +1,112 @@
+.TH XARGS 1L \" -*- nroff -*-
+.SH NAME
+xargs \- build and execute command lines from standard input
+.SH SYNOPSIS
+.B xargs
+[\-0prtx] [\-e[eof-str]] [\-i[replace-str]] [\-l[max-lines]]
+[\-n max-args] [\-s max-chars] [\-P max-procs] [\-\-null] [\-\-eof[=eof-str]]
+[\-\-replace[=replace-str]] [\-\-max-lines[=max-lines]] [\-\-interactive]
+[\-\-max-chars=max-chars] [\-\-verbose] [\-\-exit] [\-\-max-procs=max-procs]
+[\-\-max-args=max-args] [\-\-no-run-if-empty] [\-\-version] [\-\-help]
+[command [initial-arguments]]
+.SH DESCRIPTION
+This manual page
+documents the GNU version of
+.BR xargs .
+.B xargs
+reads arguments from the standard input, delimited by blanks (which can be
+protected with double or single quotes or a backslash) or newlines,
+and executes the
+.I command
+(default is /bin/echo) one or more times with any
+.I initial-arguments
+followed by arguments read from standard input.  Blank lines on the
+standard input are ignored.
+.P
+.B xargs
+exits with the following status:
+.nf
+0 if it succeeds
+123 if any invocation of the command exited with status 1-125
+124 if the command exited with status 255
+125 if the command is killed by a signal
+126 if the command cannot be run
+127 if the command is not found
+1 if some other error occurred.
+.fi
+.SS OPTIONS
+.TP
+.I "\-\-null, \-0"
+Input filenames are terminated by a null character instead of by
+whitespace, and the quotes and backslash are not special (every
+character is taken literally).  Disables the end of file string, which
+is treated like any other argument.  Useful when arguments might
+contain white space, quote marks, or backslashes.  The GNU find
+\-print0 option produces input suitable for this mode.
+.TP
+.I "\-\-eof[=eof-str], \-e[eof-str]"
+Set the end of file string to \fIeof-str\fR.  If the end of file
+string occurs as a line of input, the rest of the input is ignored.
+If \fIeof-str\fR is omitted, there is no end of file string.  If this
+option is not given, the end of file string defaults to "_".
+.TP
+.I "\-\-help"
+Print a summary of the options to
+.B xargs
+and exit.
+.TP
+.I "\-\-replace[=replace-str], \-i[replace-str]"
+Replace occurences of \fIreplace-str\fR in the initial arguments with
+names read from standard input.
+Also, unquoted blanks do not terminate arguments.
+If \fIreplace-str\fR is omitted, it
+defaults to "{}" (like for `find \-exec').  Implies \fI\-x\fP and
+\fI\-l 1\fP.
+.TP
+.I "\-\-max-lines[=max-lines], -l[max-lines]"
+Use at most \fImax-lines\fR nonblank input lines per command line;
+\fImax-lines\fR defaults to 1 if omitted.  Trailing blanks cause an
+input line to be logically continued on the next input line.  Implies
+\fI\-x\fR.
+.TP
+.I "\-\-max-args=max-args, \-n max-args"
+Use at most \fImax-args\fR arguments per command line.  Fewer than
+\fImax-args\fR arguments will be used if the size (see the \-s option)
+is exceeded, unless the \-x option is given, in which case \fBxargs\fR
+will exit.
+.TP
+.I "\-\-interactive, \-p"
+Prompt the user about whether to run each command line and read a line
+from the terminal.  Only run the command line if the response starts
+with `y' or `Y'.  Implies \fI\-t\fR.
+.TP
+.I "\-\-no-run-if-empty, \-r"
+If the standard input does not contain any nonblanks, do not run the
+command.  Normally, the command is run once even if there is no input.
+.TP
+.I "\-\-max-chars=max-chars, \-s max-chars"
+Use at most \fImax-chars\fR characters per command line, including the
+command and initial arguments and the terminating nulls at the ends of
+the argument strings.  The default is as large as possible, up to 20k
+characters.
+.TP
+.I "\-\-verbose, \-t"
+Print the command line on the standard error output before executing
+it.
+.TP
+.I "\-\-version"
+Print the version number of
+.B xargs
+and exit.
+.TP
+.I "\-\-exit, \-x"
+Exit if the size (see the \fI\-s\fR option) is exceeded.
+.TP
+.I "\-\-max-procs=max-procs, \-P max-procs"
+Run up to \fImax-procs\fR processes at a time; the default is 1.  If
+\fImax-procs\fR is 0, \fBxargs\fR will run as many processes as
+possible at a time.  Use the \fI\-n\fR option with \fI\-P\fR;
+otherwise chances are that only one exec will be done.
+.SH "SEE ALSO"
+\fBfind\fP(1L), \fBlocate\fP(1L), \fBlocatedb\fP(5L), \fBupdatedb\fP(1)
+\fBFinding Files\fP (on-line in Info, or printed)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/core_tests.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/core_tests.cpp
new file mode 100644
index 0000000..030d9fa
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/core_tests.cpp
@@ -0,0 +1,36 @@
+//    OpenVPN -- An application to securely tunnel IP networks
+//               over a single port, with support for SSL/TLS-based
+//               session authentication and key exchange,
+//               packet encryption, packet authentication, and
+//               packet compression.
+//
+//    Copyright (C) 2012-2019 OpenVPN Inc.
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Affero General Public License Version 3
+//    as published by the Free Software Foundation.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Affero General Public License for more details.
+//
+//    You should have received a copy of the GNU Affero General Public License
+//    along with this program in the COPYING file.
+
+#include <gtest/gtest.h>
+
+
+// We also need to import here all header files that
+// define globals so that consumers that use them despite
+// requesting them not to be declared with OPENVPN_EXTERN
+
+#include <asio.hpp>
+#include <openvpn/log/logbasesimple.hpp>
+
+
+int main (int argc, char **argv)
+{
+  ::testing::InitGoogleTest (&argc, argv);
+  return RUN_ALL_TESTS ();
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/test_b64.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/test_b64.cpp
new file mode 100644
index 0000000..46267e0
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/test_b64.cpp
@@ -0,0 +1,181 @@
+//    OpenVPN -- An application to securely tunnel IP networks
+//               over a single port, with support for SSL/TLS-based
+//               session authentication and key exchange,
+//               packet encryption, packet authentication, and
+//               packet compression.
+//
+//    Copyright (C) 2012-2019 OpenVPN Inc.
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Affero General Public License Version 3
+//    as published by the Free Software Foundation.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Affero General Public License for more details.
+//
+//    You should have received a copy of the GNU Affero General Public License
+//    along with this program in the COPYING file.
+
+
+#include "test_common.h"
+
+#include <iostream>
+
+#include <openvpn/common/exception.hpp>
+#include <openvpn/common/base64.hpp>
+
+using namespace openvpn;
+
+
+#ifdef USE_OPENSSL
+#include <openssl/bio.h>
+#include <openssl/evp.h>
+#include <openssl/buffer.h>
+#include <stdint.h>
+
+#include <cstdlib>
+
+std::string ssllib_b64enc(const char* text, size_t textlen)
+{
+    BIO *bio, *b64;
+
+    b64 = BIO_new(BIO_f_base64());
+    bio = BIO_new(BIO_s_mem());
+    bio = BIO_push(b64, bio);
+
+    BIO_set_flags(bio, BIO_FLAGS_BASE64_NO_NL); //Ignore newlines - write everything in one line
+    BIO_write(bio, text, (int)textlen);
+    BIO_flush(bio);
+    const char* encdata;
+    long len = BIO_get_mem_data(bio, &encdata);
+
+    /* If there is nothing to encode OpenSSL gives back a nullptr */
+    if (len == 0)
+        encdata = "";
+
+    std::string ret(encdata, (size_t)len);
+    BIO_free_all(bio);
+
+    return ret;
+}
+#else
+#include <mbedtls/base64.h>
+
+std::string ssllib_b64enc(const char* text, size_t textlen)
+{
+    size_t olen, outlen;
+
+    //make a pessimistic assumption about length always calculate 3 padding bytes
+    outlen = 3 + 4*(textlen+3)/3;
+
+    char *dst = new char[outlen];
+
+    EXPECT_EQ(mbedtls_base64_encode(reinterpret_cast<unsigned char*>(dst), outlen,
+        	&olen, reinterpret_cast<const unsigned char*>(text), textlen), 0);
+    std::string ret(dst, olen);
+    delete[] dst;
+    return ret;
+}
+#endif
+
+
+void b64_test(const Base64& b64, const std::string& text)
+{
+    const std::string enc = b64.encode(text);
+    std::string dec = b64.decode(enc);
+    std::string libenc = ssllib_b64enc(text.c_str(), text.size());
+
+    EXPECT_EQ(text, dec) << "Encode/Decode results differ";
+    EXPECT_EQ(enc, libenc) << "Encode differs from Crypto lib result";
+}
+
+void b64_test_binary(const Base64& b64, const char* data, unsigned int len)
+{
+    auto enc = b64.encode(data, len);
+
+    char* decdata = new char[len];
+    size_t decode_len = b64.decode(decdata, len, enc);
+    std::string libenc = ssllib_b64enc(data, len);
+
+    EXPECT_EQ(enc, libenc) << "Encode differs from Crypto lib result";
+
+    ASSERT_EQ(decode_len, len) << "Encode/decode length differs";
+    ASSERT_EQ(std::vector<uint8_t>(decdata, decdata + decode_len),
+	      std::vector<uint8_t>(data, data + len)) << "Encode/Decode results differ";
+
+    delete[] decdata;
+}
+
+TEST(Base64, tooshortdest)
+{
+    const Base64 b64;
+    auto enc = b64.encode(std::string("abc"));
+
+    char buf[2];
+    EXPECT_THROW(b64.decode(buf, 2, enc), Base64::base64_decode_out_of_bound_error);
+}
+
+void b64_test_bad(const Base64& b64, const std::string& text)
+{
+    std::string dec;
+    EXPECT_THROW(b64.decode(dec, text), Base64::base64_decode_error);
+}
+
+TEST(Base64, badencode)
+{
+    const Base64 b64;
+
+    b64_test_bad(b64, "plausible deniability");
+    b64_test_bad(b64, "plausible != deniability");
+    b64_test_bad(b64, "x");
+    b64_test_bad(b64, "====");
+    b64_test_bad(b64, "xxxx=");
+    b64_test_bad(b64, "01*=");
+}
+
+TEST(Base64, encode)
+{
+    const Base64 b64;
+
+    b64_test(b64, "Hello world!");
+    b64_test(b64, "привет!");
+    b64_test(b64, "ûmbrellaûmbrella");
+    b64_test(b64, "一旦在一个蓝色的月亮");
+    b64_test(b64, "x");
+    b64_test(b64, "one two three");
+    b64_test(b64, "aa");
+    b64_test(b64, "get your kicks on ... route 66");
+    b64_test(b64, "fight the future");
+    b64_test(b64, "");
+    b64_test(b64, "I want to believe...");
+    b64_test(b64, "it was a weather balloon");
+    b64_test(b64, "hyperspatial bypass");
+    b64_test(b64, "ode to a vogon");
+    b64_test(b64, "Acme Travel");
+    b64_test(b64, "there's no sunshine when she's gone");
+    b64_test(b64, "??????????????????????");
+    b64_test(b64, "???????????????????????");
+    b64_test(b64, "????????????????????????");
+    b64_test(b64, "???x>>>>>>>>>?????????????");
+    b64_test(b64, "???x>>>>>>>>>??????????????");
+    b64_test(b64, "???x>>>>>>>>>?????????????x>>");
+}
+
+TEST(Base64, binary_data)
+{
+
+    const Base64 b64;
+    std::srand(0);
+    for(unsigned int i=0;i<20;i++)
+    {
+        char* data = new char[i];
+        for (int j=0;j<i;j++)
+	{
+            data[j]=(char)(std::rand() & 0xff);
+	}
+        b64_test_binary(b64, data, i);
+        delete[] data;
+    }
+}
\ No newline at end of file
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/test_common.h b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/test_common.h
new file mode 100644
index 0000000..6924907
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/test_common.h
@@ -0,0 +1,36 @@
+//    OpenVPN -- An application to securely tunnel IP networks
+//               over a single port, with support for SSL/TLS-based
+//               session authentication and key exchange,
+//               packet encryption, packet authentication, and
+//               packet compression.
+//
+//    Copyright (C) 2012-2019 OpenVPN Inc.
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Affero General Public License Version 3
+//    as published by the Free Software Foundation.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Affero General Public License for more details.
+//
+//    You should have received a copy of the GNU Affero General Public License
+//    along with this program in the COPYING file.
+
+#pragma once
+
+/* Globals get defined multiple times, normally we set this to extern
+ * in the part of the program that pulls in a subset of the other
+ * In the unit tests that does not work. So all unit tests are told not
+ * to include them and all includes are included in core_tests.cpp to pull
+ * them in
+ */
+#define OPENVPN_EXTERN extern
+
+/* Without the asio.hpp include we get winsocket.h related errors
+ * See also https://stackoverflow.com/questions/9750344/boostasio-winsock-and-winsock-2-compatibility-issue
+ */
+#include <asio.hpp>
+#include <openvpn/log/logbasesimple.hpp>
+#include <gtest/gtest.h>
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/test_comp.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/test_comp.cpp
new file mode 100644
index 0000000..912e18a
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/test_comp.cpp
@@ -0,0 +1,262 @@
+//    OpenVPN -- An application to securely tunnel IP networks
+//               over a single port, with support for SSL/TLS-based
+//               session authentication and key exchange,
+//               packet encryption, packet authentication, and
+//               packet compression.
+//
+//    Copyright (C) 2012-2017 OpenVPN Inc.
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Affero General Public License Version 3
+//    as published by the Free Software Foundation.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Affero General Public License for more details.
+//
+//    You should have received a copy of the GNU Affero General Public License
+//    along with this program in the COPYING file.
+//    If not, see <http://www.gnu.org/licenses/>.
+
+#include <iostream>
+#include <algorithm>         // for std::min
+
+#ifndef BLOCK_SIZE
+#define BLOCK_SIZE 1500
+#endif
+
+#ifndef N_COMPRESS
+#define N_COMPRESS 1
+#endif
+
+#ifndef N_EXPAND
+#define N_EXPAND 1
+#endif
+
+#ifndef SUPPORT_SWAP
+#define SUPPORT_SWAP false
+#endif
+
+// other defines:
+//   must define TEST_x to define compressor/decompressor pair
+//   OPENVPN_DEBUG_COMPRESS = 0|1|2
+
+#include "test_common.h"
+
+#include <openvpn/common/size.hpp>
+#include <openvpn/common/exception.hpp>
+#include <openvpn/common/file.hpp>
+#include <openvpn/buffer/buffer.hpp>
+#include <openvpn/compress/compress.hpp>
+#include <openvpn/compress/lzoasym.hpp>
+#include <openvpn/frame/frame.hpp>
+
+using namespace openvpn;
+
+Frame::Ptr frame_init(const size_t payload)
+{
+  const size_t headroom = 512;
+  const size_t tailroom = 512;
+  const size_t align_block = 16;
+  const unsigned int buffer_flags = 0;
+
+  Frame::Ptr frame(new Frame(Frame::Context(headroom, payload, tailroom, 0, align_block, buffer_flags)));
+  frame->standardize_capacity(~0);
+  return frame;
+}
+
+class MySessionStats : public SessionStats
+{
+public:
+  typedef RCPtr<MySessionStats> Ptr;
+
+  MySessionStats()
+  {
+    std::memset(errors, 0, sizeof(errors));
+  }
+
+  virtual void error(const size_t err_type, const std::string* text=NULL)
+  {
+    if (err_type < Error::N_ERRORS)
+      ++errors[err_type];
+  }
+
+  count_t get_error_count(const Error::Type type) const
+  {
+    if (type < Error::N_ERRORS)
+      return errors[type];
+    else
+      return 0;
+  }
+
+private:
+  count_t errors[Error::N_ERRORS];
+};
+
+inline void verify_eq(const Buffer& b1, const Buffer& b2)
+{
+   ASSERT_EQ(b1, b2) << "decompressed data doesn't match original data";
+}
+
+void test(const std::string& filename,
+	  Compress& compressor,
+	  Compress& decompressor,
+	  const Frame& frame,
+	  const size_t block_size,
+	  const size_t n_compress,
+	  const size_t n_expand_per_compress,
+	  size_t& bytes,
+	  size_t& compress_bytes)
+{
+  BufferPtr source_data = read_binary(filename);
+  for (size_t offset = 0; offset < source_data->size(); offset += block_size)
+    {
+      const size_t length = std::min(block_size, source_data->size() - offset);
+      BufferAllocated data_seg;
+      frame.prepare(Frame::DECRYPT_WORK, data_seg);
+      data_seg.write(source_data->data_raw() + offset, length);
+      for (size_t compress_iter = 0; compress_iter < n_compress; ++compress_iter)
+	{
+	  BufferAllocated data1(data_seg);
+	  bytes += data1.size();
+	  compressor.compress(data1, true);
+	  compress_bytes += data1.size();
+	  if (n_expand_per_compress == 1)
+	    {
+	      decompressor.decompress(data1);
+	      verify_eq(data_seg, data1);
+	    }
+	  else
+	    {
+	      for (size_t decompress_iter = 0; decompress_iter < n_expand_per_compress; ++decompress_iter)
+		{
+		  BufferAllocated data2(data1);
+		  decompressor.decompress(data2);
+		  verify_eq(data_seg, data2);
+		}
+	    }
+	}
+    }
+}
+
+void test_with_corpus(Compress& compressor,
+		      Compress& decompressor,
+		      const Frame& frame,
+		      const size_t block_size,
+		      const size_t n_compress,
+		      const size_t n_expand_per_compress,
+		      size_t& bytes,
+		      size_t& compress_bytes)
+{
+  static const std::vector<std::string> filenames = {
+    "comp-testdata/alice29.txt",
+    "comp-testdata/asyoulik.txt",
+    "comp-testdata/cp.html",
+    "comp-testdata/fields.c",
+    "comp-testdata/geo.protodata",
+    "comp-testdata/grammar.lsp",
+    "comp-testdata/house.jpg",
+    "comp-testdata/html",
+    "comp-testdata/html_x_4",
+    "comp-testdata/kennedy.xls",
+    "comp-testdata/kppkn.gtb",
+    "comp-testdata/lcet10.txt",
+    "comp-testdata/mapreduce-osdi-1.pdf",
+    "comp-testdata/plrabn12.txt",
+    "comp-testdata/ptt5",
+    "comp-testdata/sum",
+    "comp-testdata/urls.10K",
+    "comp-testdata/xargs.1",
+   };
+  for (auto fn: filenames) {
+      test(UNITTEST_SOURCE_DIR + fn, compressor, decompressor, frame, block_size, n_compress, n_expand_per_compress, bytes,
+	      compress_bytes);
+  }
+}
+
+enum class comppair {
+    lzo,
+    lzoasym,
+    snappy,
+    lz4
+};
+
+void runTest(comppair alg, bool verbose=false)
+{
+    CompressContext::init_static();
+    MySessionStats::Ptr stats(new MySessionStats);
+    Frame::Ptr frame = frame_init(BLOCK_SIZE);
+
+
+    Compress::Ptr compress;
+    Compress::Ptr decompress;
+
+    switch (alg) {
+#if defined(HAVE_LZO)
+    case comppair::lzoasym:
+	compress.reset(new CompressLZO(frame, stats, SUPPORT_SWAP, false));
+	decompress.reset(new CompressLZOAsym(frame, stats, SUPPORT_SWAP, false));
+	break;
+
+    case comppair::lzo:
+	compress.reset(new CompressLZO(frame, stats, SUPPORT_SWAP, false));
+	decompress = compress;
+	break;
+
+#endif
+#if defined(HAVE_LZ4)
+    case comppair::lz4:
+	compress.reset(new CompressLZ4(frame, stats, false));
+	decompress = compress;
+	break;
+#endif
+#if defined(HAVE_SNAPPY)
+    case comppair::snappy:
+	compress.reset(new CompressSnappy(frame, stats, false));
+	decompress = compress;
+	break;
+#endif
+    default:
+	ASSERT_TRUE(false) << "compressor/decompressor pair not supported";
+    }
+    size_t bytes = 0;
+    size_t compress_bytes = 0;
+    test_with_corpus(*compress, *decompress, *frame, BLOCK_SIZE, N_COMPRESS, N_EXPAND, bytes, compress_bytes);
+
+    if (verbose)
+	std::cout << "comp=" << compress->name() << '[' << N_COMPRESS << ']'
+		  << " decomp=" << decompress->name() << '[' << N_EXPAND << ']'
+		  << " blk=" << BLOCK_SIZE
+		  << " bytes=" << bytes
+		  << " comp-bytes=" << compress_bytes
+		  << " comp-ratio=" << (float) compress_bytes / bytes
+		  << std::endl;
+}
+
+namespace unittests
+{
+#if defined(HAVE_SNAPPY)
+    TEST(Compression, snappy)
+    {
+        runTest(comppair::snappy);
+    }
+#endif
+#if defined(HAVE_LZO)
+    TEST(Compression, lzo)
+    {
+        runTest(comppair::lzo);
+    }
+
+    TEST(Compression, lzoasym)
+    {
+        runTest(comppair::lzoasym);
+    }
+#endif
+#if defined(HAVE_LZ4)
+    TEST(Compression, lz4)
+    {
+	runTest(comppair::lz4);
+    }
+#endif
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/test_cpu_time.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/test_cpu_time.cpp
new file mode 100644
index 0000000..fdbc499
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/test_cpu_time.cpp
@@ -0,0 +1,222 @@
+//    OpenVPN -- An application to securely tunnel IP networks
+//               over a single port, with support for SSL/TLS-based
+//               session authentication and key exchange,
+//               packet encryption, packet authentication, and
+//               packet compression.
+//
+//    Copyright (C) 2019      OpenVPN Inc.
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Affero General Public License Version 3
+//    as published by the Free Software Foundation.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Affero General Public License for more details.
+//
+//    You should have received a copy of the GNU Affero General Public License
+//    along with this program in the COPYING file.
+//    If not, see <http://www.gnu.org/licenses/>.
+
+
+// We have two set of measurements for these tests
+//
+// 1. A coarse measurement based on time()
+//    These are tracked in 'chk_start' and 'chk_end'
+//
+// 2. A fine grained measurement from cpu_time()
+//    These are tracked in 'start' and 'end'
+//
+// We calculate the difference before and after a
+// a workload has run, to measure how long it ran.
+// This is done for both measurement approaches.
+// The runtime is saved in runtime and chk_runtime
+//
+// To pass this test, absolute difference between
+// runtime and chk_runtime must be less than 1 second.
+//
+
+//#define DEBUG  // Define this macro to get more details
+
+#include "test_common.h"
+#include <stdint.h>
+#include <unistd.h>
+#include <mutex>
+#include <openvpn/linux/cputime.hpp>
+
+#ifdef DEBUG
+#define DEBUG_DUMP(msg, st, en, rt, chst, chen, chrt, md)             \
+  std::cout << msg << std::endl                                       \
+            << "start = " << std::to_string(st) << std::endl          \
+            << "end = " << std::to_string(en) << std::endl            \
+            << "runtime = " << std::to_string(rt) << std::endl        \
+            << "chk_start = " << std::to_string(chst) << std::endl    \
+            << "chk_end = " << std::to_string(chen) << std::endl      \
+            << "chk_runtime = " << std::to_string(chrt) << std::endl  \
+            << "measurement difference = "                            \
+            << std::to_string(md) << std::endl                        \
+            << "--------------------------------------" << std::endl
+
+#else
+#define DEBUG_DUMP(msg, st, en, rt, chst, chen, chrt, md) {}
+#endif
+
+#define MEASURE(v, chkv, thread)          \
+  double v = openvpn::cpu_time(thread);   \
+  ASSERT_GE(v, 0);                        \
+  double chkv = time(NULL)
+
+#define CALCULATE(msg, st, en, rt, chst, chen, chrt, md) \
+  double rt = en - st;                                   \
+  double chrt = chen - chst;                             \
+  double md = std::max(rt, chrt) - std::min(rt, chrt);   \
+  DEBUG_DUMP(msg, st, en, rt, chst, chen, chrt, md)
+
+
+typedef std::shared_ptr<std::thread> ThreadPtr;
+
+
+// For simplicty, keep the total thread runtime
+// in a global variable, protected by a mutex
+// on updates
+std::mutex update_guard;
+double thread_runtime = 0;
+
+void update_thread_runtime(double val)
+{
+    std::lock_guard<std::mutex> ug(update_guard);
+    thread_runtime += val;
+}
+
+
+namespace unittests
+{
+    static void workload(const uint16_t multiplier)
+    {
+        // A very simple busy loop workload
+        //
+        // We can't use sleep() or any similar timing
+        // as this does not increase the tracked runtime
+        // in the kernel; the process does not really run.
+        //
+        std::stringstream buf;
+        for (unsigned int i = UINT16_MAX * multiplier; i > 0; i--)
+        {
+            buf << ".";
+
+            // We do this clearing to not spend too much
+            // memory when running multiple threads
+            buf.str(std::string());
+        }
+    }
+
+
+    TEST(LinuxCPUTime, cpu_time_pid)
+    {
+        // Measure the runtime of the workload
+        MEASURE(start, chk_start, false);
+        workload(1500);
+        MEASURE(end, chk_end, false);
+
+        // Calculate runtimes and differences
+        CALCULATE("single PID",
+                  start, end, runtime,
+                  chk_start, chk_end, chk_runtime,
+                  measurement_diff);
+
+        ASSERT_LT(measurement_diff, 1);
+    }
+
+
+    void worker_thread(const uint8_t id)
+    {
+        MEASURE(thr_start, chk_thr_start, true);
+        workload(1500);
+        MEASURE(thr_end, chk_thr_end, true);
+
+        CALCULATE("Worker thread " << std::to_string(id),
+                  thr_start, thr_end, thr_runtime,
+                  chk_thr_start, chk_thr_end, chk_thr_runtime,
+                  thr_measurement_diff);
+        update_thread_runtime(thr_runtime);
+
+        // Since the chk_thr_runtime (chk_thr_end - chk_thr_start)
+        // is based on epoc seconds of the system, this doesn't
+        // give a too good number when running multiple threads.
+        //
+        // If more threads are running on the same CPU core,
+        // one of the threads might be preempted.  The clock time
+        // (chk_thr_runtime) will continue to tick, but the real
+        // runtime (thr_runtime) will not.  Which will increase
+        // the difference between the measured runtimes.
+        //
+        // The value of 5 is just an educated guess of what
+        // we might find acceptable.  This might be too high
+        // on an idle system, but too low on a loaded system.
+        //
+        ASSERT_LT(thr_measurement_diff, 5);
+    }
+
+
+    void run_threads(const uint8_t num_threads)
+    {
+        std::vector<ThreadPtr> threads;
+        for (uint8_t i = 0; i < num_threads; i++)
+        {
+            ThreadPtr tp;
+            tp.reset(new std::thread([id=i](){ worker_thread(id); }));
+            threads.push_back(tp);
+        }
+
+        for (const auto& t : threads)
+        {
+            t->join();
+        }
+    }
+
+
+    TEST(LinuxCPUTime, cpu_time_thread_1)
+    {
+        // Meassure running a single worker thread
+        MEASURE(parent_start, chk_parent_start, false);
+        run_threads(1);
+        MEASURE(parent_end, chk_parent_end, false);
+
+        CALCULATE("Parent thread - 1 child thread",
+                  parent_start, parent_end, runtime,
+                  chk_parent_start, chk_parent_end, chk_runtime,
+                  parent_diff);
+
+        ASSERT_LT(parent_diff, 1);
+    }
+
+
+    TEST(LinuxCPUTime, cpu_time_thread_numcores)
+    {
+        // Use number of available cores
+        int num_cores = sysconf(_SC_NPROCESSORS_ONLN);
+
+        // Meassure running a single worker thread
+        MEASURE(parent_start, chk_parent_start, false);
+        run_threads(num_cores);
+        MEASURE(parent_end, chk_parent_end, false);
+
+        CALCULATE("Parent thread - " << std::to_string(num_cores) << " child thread",
+                  parent_start, parent_end, runtime,
+                  chk_parent_start, chk_parent_end, chk_runtime,
+                  parent_diff);
+#ifdef DEBUG
+        std::cout << "Total thread runtime: " << std::to_string(thread_runtime) << std::endl;
+#endif
+
+        // The main process (this PID) will have a total runtime
+        // which accounts for all runtime of the running threads.
+        // We still give a bit extra slack, to reduce the risk of
+        // false positives, due to the possibility of premption
+        // (see comment in worker_thread() for details).  But
+        // the difference should not neccesarily deviate as much
+        // here.
+        ASSERT_LT(parent_diff, 3 + thread_runtime);
+    }
+}  // namespace
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/test_log.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/test_log.cpp
index 6e030f7..dc2b5b0 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/test_log.cpp
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/test_log.cpp
@@ -19,8 +19,20 @@
 //    along with this program in the COPYING file.
 //    If not, see <http://www.gnu.org/licenses/>.
 
+#include "test_common.h"
+
+
+// The ovpncli.cpp file is not all OPENVPN_EXTERN safe and totally breaks
+// if included in two files. We probably need to fix this or rename this
+// file test_ovpncli and do ALL test that require ovpncli in this file
+// (or have multiple test suites)
+
+#undef OPENVPN_EXTERN
+#define OPENVPN_EXTERN
+
 #include <client/ovpncli.cpp>
-#include <gtest/gtest.h>
+
+
 #include <string>
 #include <sstream>
 
@@ -35,9 +47,3 @@ namespace unittests
     ASSERT_EQ(text, msg);
   }
 }  // namespace
-
-int main(int argc, char **argv)
-{
-  ::testing::InitGoogleTest(&argc, argv);
-  return RUN_ALL_TESTS();
-}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/test_route_emulation.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/test_route_emulation.cpp
new file mode 100644
index 0000000..18b62e4
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/test_route_emulation.cpp
@@ -0,0 +1,296 @@
+//    OpenVPN -- An application to securely tunnel IP networks
+//               over a single port, with support for SSL/TLS-based
+//               session authentication and key exchange,
+//               packet encryption, packet authentication, and
+//               packet compression.
+//
+//    Copyright (C) 2012-2019 OpenVPN Inc.
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Affero General Public License Version 3
+//    as published by the Free Software Foundation.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Affero General Public License for more details.
+//
+//    You should have received a copy of the GNU Affero General Public License
+//    along with this program in the COPYING file.
+
+/* Without doing this log dance core will not compile ... */
+
+#include "test_common.h"
+
+#include <openvpn/client/cliemuexr.hpp>
+
+
+namespace unittests {
+#define DEBUG_PRINT_ROUTES for(auto & rt: tb->routes) std::cout << rt << std::endl;
+
+    /* Helper function for quick result comparision */
+    std::string join_string_vector_sorted(std::vector<std::string> vec, const char* const delim = ", ")
+    {
+	std::sort(vec.begin(), vec.end());
+	std::ostringstream res;
+	std::copy(vec.begin(), vec.end(), std::ostream_iterator<std::string>(res, delim));
+	return res.str();
+    }
+
+    /* Simple class that just records */
+    class TunBuilderMock : public openvpn::TunBuilderBase {
+    public:
+	bool is_ipv6;
+	TunBuilderMock(bool ipv6)
+		:is_ipv6(ipv6)
+	{
+
+	}
+
+	bool tun_builder_add_route(const std::string& address,
+		int prefix_length,
+		int metric,
+		bool ipv6) override
+	{
+	    auto rt = address+"/"+std::to_string(prefix_length);
+	    routes.push_back(rt);
+	    routesAddr.push_back(openvpn::IP::Route(rt));
+	    return is_ipv6==ipv6;
+	}
+
+	bool tun_builder_set_remote_address(const std::string& address, bool ipv6) override
+	{
+	    addresses.push_back(address);
+	    return is_ipv6==ipv6;
+	}
+
+	std::vector<std::string> addresses;
+	std::vector<std::string> routes;
+	std::vector<openvpn::IP::Route> routesAddr;
+
+	bool containsIP(std::string ipaddr)
+	{
+	    return containsIP(openvpn::IP::Addr(ipaddr));
+	}
+
+	bool containsIP(openvpn::IP::Addr ipaddr)
+	{
+	    for (auto& rt: routesAddr) {
+		if (rt.contains(ipaddr))
+		    return true;
+	    }
+	    return false;
+	}
+
+    };
+
+    class RouteEmulationTest : public testing::Test {
+    protected:
+	openvpn::IPVerFlags* ipflags;
+	openvpn::EmulateExcludeRoute::Ptr emu;
+	TunBuilderMock* tb;
+	openvpn::OptionList emptyOptionList;
+
+	RouteEmulationTest()
+		:tb(nullptr), ipflags(nullptr)
+	{
+
+	}
+
+	void teardown()
+	{
+	    delete tb;
+	    delete ipflags;
+	}
+
+	void setup(bool ipv6, bool excludeServer, bool keepEmu = false)
+	{
+	    teardown();
+
+	    tb = new TunBuilderMock(ipv6);
+
+	    ipflags = new openvpn::IPVerFlags(emptyOptionList,
+		    ipv6 ? openvpn::IP::Addr::V6_MASK : openvpn::IP::Addr::V4_MASK);
+
+	    if (!keepEmu)
+	    {
+		openvpn::EmulateExcludeRouteFactory::Ptr factory(
+			new openvpn::EmulateExcludeRouteFactoryImpl(excludeServer));
+
+		emu = factory->new_obj();
+	    }
+	}
+
+	// Helper functions to make writing test suite a bit easier
+	void inclRoute(const std::string& incRoute)
+	{
+	    addRoute(true, incRoute);
+	}
+	void exclRoute(const std::string& exclRoute)
+	{
+	    addRoute(false, exclRoute);
+	}
+
+	void addRoute(bool include, const std::string& route)
+	{
+	    std::string ipstr = route.substr(0, route.find('/'));
+	    std::string mask = route.substr(route.find('/')+1);
+	    emu->add_route(include, openvpn::IP::Addr(ipstr), std::stoi(mask));
+	}
+
+	void doEmulate(std::string serverip = "1.2.3.4")
+	{
+	    emu->emulate(this->tb, *this->ipflags, openvpn::IP::Addr(serverip));
+	}
+
+	~RouteEmulationTest()
+	{
+	    teardown();
+	}
+    };
+
+    TEST_F(RouteEmulationTest, ExcludeOneSubnet)
+    {
+	setup(false, false);
+
+	emu->add_default_routes(true, true);
+
+	emu->add_route(false, openvpn::IP::Addr("192.168.100.0"), 24);
+
+	doEmulate();
+
+	ASSERT_EQ (tb->routes.size(), 24);
+
+    }
+
+    TEST_F(RouteEmulationTest, ExcludeSubnetsNoDefault)
+    {
+	setup(false, false);
+	// include this net
+	emu->add_route(true, openvpn::IP::Addr("10.20.0.0"), 16);
+
+	// but not the first half
+	emu->add_route(false, openvpn::IP::Addr("10.20.0.0"), 17);
+
+	doEmulate();
+
+	ASSERT_EQ(tb->routes.size(), 1);
+	ASSERT_EQ(tb->routes.at(0), "10.20.128.0/17");
+
+	setup(true, false);
+
+	emu->add_route(true, openvpn::IP::Addr("2500:1000::"), 32);
+	// but not the first half
+	emu->add_route(false, openvpn::IP::Addr("2500:1000:8000::"), 33);
+
+	doEmulate();
+
+	ASSERT_EQ(tb->routes.size(), 1);
+	ASSERT_EQ(tb->routes.at(0), "2500:1000::/33");
+
+    }
+
+    TEST_F(RouteEmulationTest, excludeServer)
+    {
+	setup(false, true);
+	emu->add_default_routes(true, true);
+	doEmulate("1.2.3.4");
+
+	ASSERT_EQ(tb->routes.size(), 32);
+	ASSERT_FALSE(tb->containsIP("1.2.3.4"));
+	ASSERT_TRUE(tb->containsIP("1.2.3.5"));
+	ASSERT_TRUE(tb->containsIP("1.2.3.3"));
+	ASSERT_TRUE(tb->containsIP("4.3.2.1"));
+
+	setup(true, true);
+	emu->add_default_routes(true, true);
+	doEmulate("::1.2.3.4");
+
+	ASSERT_EQ(tb->routes.size(), 128);
+	ASSERT_FALSE(tb->containsIP("::1.2.3.4"));
+	ASSERT_TRUE(tb->containsIP("::1.2.3.5"));
+	ASSERT_TRUE(tb->containsIP("::1.2.3.3"));
+	ASSERT_TRUE(tb->containsIP("::4.3.2.1"));
+    }
+
+    TEST_F(RouteEmulationTest, nestedIPRoutes)
+    {
+	// This sets up a number of routes that are all included in each
+
+	setup(false, false);
+	inclRoute("192.64.0.0/16");
+	// second quarter.
+	exclRoute("192.64.64.0/18");
+	// last quarter
+	inclRoute("192.64.112.0/20");
+	// first quarter
+	exclRoute("192.64.112.0/22");
+	// first quarter again
+	inclRoute("192.64.112.0/24");
+	// second quarter
+	exclRoute("192.64.112.64/26");
+
+	doEmulate();
+
+	// Excluded by 192.64.112.64/26
+	ASSERT_FALSE(tb->containsIP("192.64.112.64"));
+	ASSERT_FALSE(tb->containsIP("192.64.112.87"));
+
+	// Included by 192.64.112.0/24
+	ASSERT_TRUE(tb->containsIP("192.64.112.5"));
+	ASSERT_TRUE(tb->containsIP("192.64.112.129"));
+	ASSERT_TRUE(tb->containsIP("192.64.112.255"));
+
+	// Excluded by 192.64.112.0/22
+	ASSERT_FALSE(tb->containsIP("192.64.113.91"));
+	ASSERT_FALSE(tb->containsIP("192.64.114.92"));
+	ASSERT_FALSE(tb->containsIP("192.64.115.93"));
+
+
+	// Included by 192.64.112.0/20
+	ASSERT_TRUE(tb->containsIP("192.64.116.94"));
+	ASSERT_TRUE(tb->containsIP("192.64.123.95"));
+
+
+	// Excluded by 192.64.64.0/18"
+	ASSERT_FALSE(tb->containsIP("192.64.64.96"));
+	ASSERT_FALSE(tb->containsIP("192.64.97.98"));
+	ASSERT_FALSE(tb->containsIP("192.64.111.99"));
+
+	// included in 192.64.0.0/16
+	ASSERT_TRUE(tb->containsIP("192.64.0.0"));
+	ASSERT_TRUE(tb->containsIP("192.64.1.2"));
+
+	// Not in the at all
+	ASSERT_FALSE(tb->containsIP("1.2.3.4"));
+	ASSERT_FALSE(tb->containsIP("192.63.255.255"));
+	ASSERT_FALSE(tb->containsIP("192.65.0.0"));
+	ASSERT_FALSE(tb->containsIP("128.0.0.0"));
+	ASSERT_FALSE(tb->containsIP("192.0.0.0"));
+	ASSERT_FALSE(tb->containsIP("255.255.255.255"));
+    }
+
+    TEST_F(RouteEmulationTest, DefaultRoute)
+    {
+	setup(false, false);
+
+	emu->add_default_routes(true, true);
+
+	doEmulate();
+
+	ASSERT_EQ(tb->routes.size(), 1);
+	ASSERT_EQ(tb->routes.at(0), "0.0.0.0/0");
+
+	// Now something more tricky add unnecessary extra route
+	// to confuse our emulation layer
+	setup(false, false, true);
+
+	inclRoute("192.168.0.0/24");
+
+	doEmulate();
+
+	ASSERT_EQ(tb->routes.size(), 2);
+	ASSERT_EQ(tb->routes.at(0), "0.0.0.0/0");
+    }
+
+}
\ No newline at end of file
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/test_sitnl.cpp b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/test_sitnl.cpp
new file mode 100644
index 0000000..4865ed5
--- /dev/null
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/test_sitnl.cpp
@@ -0,0 +1,326 @@
+//    OpenVPN -- An application to securely tunnel IP networks
+//               over a single port, with support for SSL/TLS-based
+//               session authentication and key exchange,
+//               packet encryption, packet authentication, and
+//               packet compression.
+//
+//    Copyright (C) 2012-2019 OpenVPN Inc.
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Affero General Public License Version 3
+//    as published by the Free Software Foundation.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Affero General Public License for more details.
+//
+//    You should have received a copy of the GNU Affero General Public License
+//    along with this program in the COPYING file.
+
+#include <fstream>
+#include "test_common.h"
+
+#include "openvpn/common/argv.hpp"
+#include "openvpn/common/process.hpp"
+#include "openvpn/common/redir.hpp"
+#include "openvpn/common/splitlines.hpp"
+
+#include "openvpn/tun/linux/client/sitnl.hpp"
+
+using namespace openvpn;
+using namespace TunNetlink;
+
+namespace unittests
+{
+    static std::string path_to_ip;
+
+    class SitnlTest : public testing::Test
+    {
+    private:
+      void add_device(std::string name)
+      {
+	RedirectPipe::InOut pipe;
+	Argv argv;
+	argv.emplace_back(path_to_ip);
+	argv.emplace_back("tuntap");
+	argv.emplace_back("add");
+	argv.emplace_back("mode");
+	argv.emplace_back("tun");
+	argv.emplace_back(std::move(name));
+	system_cmd(argv[0], argv, nullptr, pipe, 0);
+      }
+
+      void remove_device(std::string name)
+      {
+	RedirectPipe::InOut pipe;
+	Argv argv;
+	argv.emplace_back(path_to_ip);
+	argv.emplace_back("tuntap");
+	argv.emplace_back("delete");
+	argv.emplace_back("mode");
+	argv.emplace_back("tun");
+	argv.emplace_back(std::move(name));
+	system_cmd(argv[0], argv, nullptr, pipe, 0);
+      }
+
+    protected:
+      static void SetUpTestSuite()
+      {
+	// different distros have ip tool in different places
+	std::vector<std::string> paths{"/bin/ip", "/sbin/ip", "/usr/bin/ip", "/usr/sbin/ip"};
+	for (const auto& path : paths)
+	{
+	  std::ifstream f(path);
+	  if (f)
+	  {
+	    path_to_ip = path;
+	    break;
+	  }
+	}
+	ASSERT_FALSE(path_to_ip.empty()) << "unable to find ip tool";
+      }
+
+      void SetUp() override
+      {
+	if (geteuid() != 0)
+	  GTEST_SKIP() << "Need root to run this test";
+
+	add_device(dev);
+	add_device(dev2);
+      }
+
+      virtual void TearDown()
+      {
+	remove_device(dev);
+	remove_device(dev2);
+      }
+
+      template <typename CALLBACK>
+      void cmd(Argv argv, CALLBACK cb)
+      {
+	// runs command, reads output and calls a callback
+	RedirectPipe::InOut pipe;
+	ASSERT_EQ(system_cmd(argv[0], argv, nullptr, pipe, 0), 0) << "failed to run command " << argv[0];
+
+	SplitLines sl(pipe.out);
+	bool called = false;
+	while (sl()) {
+	  const std::string &line = sl.line_ref();
+
+	  std::vector<std::string> v = Split::by_space<std::vector<std::string>, NullLex, SpaceMatch, Split::NullLimit>(line);
+
+	  // blank line?
+	  if (v.empty())
+	    continue;
+
+	  cb(v, pipe.out, called);
+	}
+
+	ASSERT_TRUE(called) << pipe.out;
+      }
+
+      template <typename CALLBACK>
+      void ip_a_show_dev(CALLBACK cb)
+      {
+	// get addrs with "ip a show dev"
+	RedirectPipe::InOut pipe;
+	Argv argv;
+	argv.emplace_back(path_to_ip);
+	argv.emplace_back("a");
+	argv.emplace_back("show");
+	argv.emplace_back("dev");
+	argv.emplace_back(dev);
+	cmd(argv, cb);
+      }
+
+      template <typename CALLBACK>
+      void ip_route_get(std::string dst, CALLBACK cb)
+      {
+	// get route with "ip route get"
+	RedirectPipe::InOut pipe;
+	Argv argv;
+	argv.emplace_back(path_to_ip);
+	argv.emplace_back("route");
+	argv.emplace_back("get");
+	argv.emplace_back(std::move(dst));
+	cmd(argv, cb);
+      }
+
+      std::string dev = "tun999";
+      std::string dev2 = "tun9999";
+
+      std::string addr4 = "10.10.0.2";
+      std::string route4 = "10.110.0.0/24";
+      std::string gw4 = "10.10.0.1";
+
+      std::string addr6 = "fe80:20c3:aaaa:bbbb::cccc";
+      std::string route6 = "fe80:20c3:cccc:dddd::0/64";
+      std::string gw6 = "fe80:20c3:aaaa:bbbb:cccc:dddd:eeee:1";
+
+      int ipv4_prefix_len = 16;
+      int ipv6_prefix_len = 64;
+      int mtu = 1234;
+    };
+
+    TEST_F(SitnlTest, TestAddrAdd4)
+    {
+      auto broadcast = IPv4::Addr::from_string(addr4) | ~IPv4::Addr::netmask_from_prefix_len(ipv4_prefix_len);
+      ASSERT_EQ(SITNL::net_addr_add(dev, IPv4::Addr::from_string(addr4), ipv4_prefix_len, broadcast), 0);
+
+      ip_a_show_dev([this, &broadcast](std::vector<std::string>& v, const std::string& out, bool& called) {
+	if (v[0] == "inet")
+	{
+	  called = true;
+	  ASSERT_EQ(v[1], addr4 + "/" + std::to_string(ipv4_prefix_len)) << out;
+	  ASSERT_EQ(v[3], broadcast.to_string()) << out;
+	}
+      });
+    }
+
+    TEST_F(SitnlTest, TestAddrAdd6)
+    {
+      ASSERT_EQ(SITNL::net_addr_add(dev, IPv6::Addr::from_string(addr6), ipv6_prefix_len), 0);
+
+      ip_a_show_dev([this](std::vector<std::string>& v, const std::string& out, bool& called) {
+	if (v[0] == "inet6")
+	{
+	  called = true;
+	  ASSERT_EQ(v[1], addr6 + "/" + std::to_string(ipv6_prefix_len)) << out;
+	}
+      });
+    }
+
+    TEST_F(SitnlTest, TestSetMTU)
+    {
+      ASSERT_EQ(SITNL::net_iface_mtu_set(dev, mtu), 0);
+
+      ip_a_show_dev([this](std::vector<std::string>& v, const std::string& out, bool& called) {
+	if (dev + ":" == v[1])
+	{
+	  called = true;
+	  ASSERT_EQ(v[4], std::to_string(mtu)) << out;
+	}
+      });
+    }
+
+    TEST_F(SitnlTest, TestAddRoute4)
+    {
+      // add address
+      auto broadcast = IPv4::Addr::from_string(addr4) | ~IPv4::Addr::netmask_from_prefix_len(ipv4_prefix_len);
+      ASSERT_EQ(SITNL::net_addr_add(dev, IPv4::Addr::from_string(addr4), ipv4_prefix_len, broadcast), 0);
+
+      // up interface
+      ASSERT_EQ(SITNL::net_iface_up(dev, true), 0);
+
+      // add route
+      ASSERT_EQ(SITNL::net_route_add(IP::Route4(route4), IPv4::Addr::from_string(gw4), dev, 0, 0), 0);
+
+      std::string dst{"10.110.0.100"};
+
+      ip_route_get(dst, [this, &dst](std::vector<std::string>& v, const std::string& out, bool& called) {
+	if (v[0] == dst)
+	{
+	  called = true;
+	  v.resize(7);
+	  auto expected = std::vector<std::string>{dst, "via", gw4, "dev", dev, "src", addr4};
+	  ASSERT_EQ(v, expected) << out;
+	}
+      });
+    }
+
+    TEST_F(SitnlTest, TestAddRoute6)
+    {
+      // add address
+      ASSERT_EQ(SITNL::net_addr_add(dev, IPv6::Addr::from_string(addr6), ipv6_prefix_len), 0);
+
+      // up interface
+      ASSERT_EQ(SITNL::net_iface_up(dev, true), 0);
+
+      // add route
+      ASSERT_EQ(SITNL::net_route_add(IP::Route6(route6), IPv6::Addr::from_string(gw6), dev, 0, 0), 0);
+
+      std::string dst{"fe80:20c3:cccc:dddd:cccc:dddd:eeee:ffff"};
+
+      ip_route_get(dst, [this, &dst](std::vector<std::string> &v1, const std::string &out, bool &called) {
+	  if (v1[0] == dst)
+	  {
+	    called = true;
+	    v1.resize(7);
+	    // iptools 4.15 (Ubuntu 18)
+	    auto expected1 = std::vector<std::string>{dst, "from", "::", "via", gw6, "dev", dev};
+	    auto ok1 = (v1 == expected1);
+
+	    auto v2 = v1;
+	    v2.resize(5);
+	    // iptools 4.11 (CentOS 7)
+	    auto expected2 = std::vector<std::string>{dst, "via", gw6, "dev", dev};
+	    auto ok2 = (v2 == expected2);
+
+	    if (!ok1 && !ok2)
+	    {
+	      // this is just a way to print actual value and all expected values
+	      EXPECT_EQ(v1, expected1);
+	      EXPECT_EQ(v2, expected2);
+	    }
+	  }
+      });
+    }
+
+    TEST_F(SitnlTest, TestBestGw4)
+    {
+      // add address
+      auto broadcast = IPv4::Addr::from_string(addr4) | ~IPv4::Addr::netmask_from_prefix_len(ipv4_prefix_len);
+      ASSERT_EQ(SITNL::net_addr_add(dev, IPv4::Addr::from_string(addr4), ipv4_prefix_len, broadcast), 0);
+
+      // up interface
+      ASSERT_EQ(SITNL::net_iface_up(dev, true), 0);
+
+      // add routes
+
+      // shortest prefix
+      ASSERT_EQ(SITNL::net_route_add(IP::Route4("10.0.0.0/8"), IPv4::Addr::from_string("10.10.10.10"), dev, 0, 0), 0);
+      // longest prefix, lowest metric
+      ASSERT_EQ(SITNL::net_route_add(IP::Route4("10.10.10.0/24"), IPv4::Addr::from_string("10.10.10.13"), dev, 0, 0), 0);
+      // short prefix
+      ASSERT_EQ(SITNL::net_route_add(IP::Route4("10.10.0.0/16"), IPv4::Addr::from_string("10.10.10.11"), dev, 0, 0), 0);
+      // longest prefix, highest metric
+      ASSERT_EQ(SITNL::net_route_add(IP::Route4("10.10.10.0/24"), IPv4::Addr::from_string("10.10.10.12"), dev, 0, 10), 0);
+
+      IPv4::Addr best_gw;
+      std::string best_iface;
+      ASSERT_EQ(SITNL::net_route_best_gw(IP::Route4("10.10.10.1/32"), best_gw, best_iface), 0);
+
+      // we should get a gateway with longest prefix and lowest metric
+
+      ASSERT_EQ(best_gw.to_string(), "10.10.10.13");
+      ASSERT_EQ(best_iface, dev);
+    }
+
+    TEST_F(SitnlTest, TestBestGw4FilterIface)
+    {
+      // add addresses
+      auto broadcast = IPv4::Addr::from_string(addr4) | ~IPv4::Addr::netmask_from_prefix_len(ipv4_prefix_len);
+      ASSERT_EQ(SITNL::net_addr_add(dev, IPv4::Addr::from_string(addr4), ipv4_prefix_len, broadcast), 0);
+
+      broadcast = IPv4::Addr::from_string("10.20.0.2") | ~IPv4::Addr::netmask_from_prefix_len(ipv4_prefix_len);
+      ASSERT_EQ(SITNL::net_addr_add(dev2, IPv4::Addr::from_string("10.20.0.2"), ipv4_prefix_len, broadcast), 0);
+
+      // up interfaces
+      SITNL::net_iface_up(dev, true);
+      SITNL::net_iface_up(dev2, true);
+
+      // add routes
+      ASSERT_EQ(SITNL::net_route_add(IP::Route4("10.11.0.0/16"), IPv4::Addr::from_string("10.10.0.1"), dev, 0, 0), 0);
+      ASSERT_EQ(SITNL::net_route_add(IP::Route4("10.11.12.0/24"), IPv4::Addr::from_string("10.20.0.1"), dev2, 0, 0), 0);
+
+      IPv4::Addr best_gw;
+      std::string best_iface;
+
+      // filter out gateway with longest prefix route
+      SITNL::net_route_best_gw(IP::Route4("10.11.12.13/32"), best_gw, best_iface, dev2);
+
+      ASSERT_EQ(best_gw.to_string(), "10.10.0.1");
+      ASSERT_EQ(best_iface, dev);
+    }
+}
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/unittests.vcxproj b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/unittests.vcxproj
index fc8c7aa..7bd68f7 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/unittests.vcxproj
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/test/unittests/unittests.vcxproj
@@ -1,18 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
-    <ProjectConfiguration Include="Debug|Win32">
-      <Configuration>Debug</Configuration>
-      <Platform>Win32</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="Release|Win32">
-      <Configuration>Release</Configuration>
-      <Platform>Win32</Platform>
-    </ProjectConfiguration>
     <ProjectConfiguration Include="Debug|x64">
       <Configuration>Debug</Configuration>
       <Platform>x64</Platform>
     </ProjectConfiguration>
+    <ProjectConfiguration Include="ReleaseOpenSSL|x64">
+      <Configuration>ReleaseOpenSSL</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
     <ProjectConfiguration Include="Release|x64">
       <Configuration>Release</Configuration>
       <Platform>x64</Platform>
@@ -24,19 +20,6 @@
     <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
-    <ConfigurationType>Application</ConfigurationType>
-    <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v140</PlatformToolset>
-    <CharacterSet>MultiByte</CharacterSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
-    <ConfigurationType>Application</ConfigurationType>
-    <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v140</PlatformToolset>
-    <WholeProgramOptimization>true</WholeProgramOptimization>
-    <CharacterSet>MultiByte</CharacterSet>
-  </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
@@ -50,39 +33,29 @@
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>MultiByte</CharacterSet>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseOpenSSL|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v140</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>MultiByte</CharacterSet>
+  </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
   </ImportGroup>
   <ImportGroup Label="Shared">
   </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-  </ImportGroup>
   <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
   </ImportGroup>
   <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
   </ImportGroup>
+  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseOpenSSL|x64'" Label="PropertySheets">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup />
-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <ClCompile>
-      <WarningLevel>TurnOffAllWarnings</WarningLevel>
-      <Optimization>Disabled</Optimization>
-      <SDLCheck>false</SDLCheck>
-      <AdditionalIncludeDirectories>$(OVPN3_BUILD)\amd64\mbedtls\include;$(OVPN3_BUILD)\amd64\lz4\lib;$(GTEST_ROOT)\googletest\include;$(OVPN3_CORE);$(OVPN3_BUILD)\amd64\asio\asio\include;$(OVPN3_TAP_WINDOWS)\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;NOMINMAX;_WIN32_WINNT=0x0600;USE_ASIO;ASIO_STANDALONE;USE_MBEDTLS;HAVE_LZ4;OPENVPN_FORCE_TUN_NULL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-    </ClCompile>
-    <Link>
-      <GenerateDebugInformation>true</GenerateDebugInformation>
-      <AdditionalDependencies>lz4.lib;mbedtls.lib;Iphlpapi.lib;gtestd.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(OVPN3_BUILD)\amd64\mbedtls\library;$(GTEST_ROOT)\msvc\gtest\Debug\;%(AdditionalLibraryDirectories);$(OVPN3_BUILD)\amd64\lz4\lib</AdditionalLibraryDirectories>
-    </Link>
-  </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <ClCompile>
       <WarningLevel>TurnOffAllWarnings</WarningLevel>
@@ -98,14 +71,14 @@
       <AdditionalLibraryDirectories>$(OVPN3_ROOT)\deps\amd64\mbedtls\library;$(GTEST_ROOT)\googlemock\gtest\Debug\;%(AdditionalLibraryDirectories);$(OVPN3_ROOT)\deps\amd64\lz4\lib</AdditionalLibraryDirectories>
     </Link>
   </ItemDefinitionGroup>
-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <ClCompile>
       <WarningLevel>TurnOffAllWarnings</WarningLevel>
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <SDLCheck>false</SDLCheck>
-      <AdditionalIncludeDirectories>$(OVPN3_BUILD)\amd64\mbedtls\include;$(OVPN3_BUILD)\amd64\lz4\lib;$(GTEST_ROOT)\googletest\include;$(OVPN3_CORE);$(OVPN3_BUILD)\amd64\asio\asio\include;$(OVPN3_TAP_WINDOWS)\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(OVPN3_ROOT)\deps\amd64\mbedtls\include;$(OVPN3_ROOT)\deps\amd64\lz4\lib;$(GTEST_ROOT)\googletest\include;$(OVPN3_ROOT)\core;$(OVPN3_ROOT)\deps\amd64\asio\asio\include;$(OVPN3_ROOT)\deps\amd64\tap-windows\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;NOMINMAX;_WIN32_WINNT=0x0600;USE_ASIO;ASIO_STANDALONE;USE_MBEDTLS;HAVE_LZ4;OPENVPN_FORCE_TUN_NULL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
@@ -113,10 +86,10 @@
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
       <AdditionalDependencies>lz4.lib;mbedtls.lib;Iphlpapi.lib;gtest.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(OVPN3_BUILD)\amd64\mbedtls\library;$(GTEST_ROOT)\msvc\gtest\Release\;%(AdditionalLibraryDirectories);$(OVPN3_BUILD)\amd64\lz4\lib</AdditionalLibraryDirectories>
+      <AdditionalLibraryDirectories>$(OVPN3_ROOT)\deps\amd64\mbedtls\library;$(GTEST_ROOT)\googlemock\gtest\Release\;%(AdditionalLibraryDirectories);$(OVPN3_ROOT)\deps\amd64\lz4\lib</AdditionalLibraryDirectories>
     </Link>
   </ItemDefinitionGroup>
-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseOpenSSL|x64'">
     <ClCompile>
       <WarningLevel>TurnOffAllWarnings</WarningLevel>
       <Optimization>MaxSpeed</Optimization>
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/win/build.py b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/win/build.py
index f6c4548..47a04dc 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/win/build.py
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/win/build.py
@@ -43,6 +43,7 @@ def build(parms, srcfile, unit_test=False):
         "tap_component_id" : parms['TAP_WIN_COMPONENT_ID'],
         "asio"    : os.path.join(build_dir(parms), "asio"),
         "mbedtls" : os.path.join(build_dir(parms), "mbedtls"),
+        "openssl" : os.path.join(build_dir(parms), "openssl"),
         "lz4" : os.path.join(build_dir(parms), "lz4", "lib"),
         "srcfile" : srcfile,
         "extra_defs" : parms['CPP_EXTRA'],
@@ -77,8 +78,17 @@ def build(parms, srcfile, unit_test=False):
     if parms.get("CONNECT"):
         options['extra_inc'] += " /I " + os.path.join(parms['OVPN3'], "common")
 
+    if parms.get("USE_OPENSSL"):
+        options['extra_inc'] += ' /DUSE_OPENSSL /I %s' % os.path.join(options['openssl'], 'inc32')
+        options['extra_lib_path'] += ' /LIBPATH:%s' % os.path.join(options['openssl'], 'out32')
+        options['extra_lib'] += ' libeay32.lib ssleay32.lib'
+    else:
+        options['extra_inc'] += ' /DUSE_MBEDTLS /I %s' % os.path.join(options['mbedtls'], 'include')
+        options['extra_lib_path'] += ' /LIBPATH:%s' % os.path.join(options['mbedtls'], 'library')
+        options['extra_lib'] += ' mbedtls.lib'
+
     # build it
-    vc_cmd(parms, r"cl %(extra_defs)s /DNOMINMAX /D_CRT_SECURE_NO_WARNINGS /DUSE_ASIO /DASIO_STANDALONE /DASIO_NO_DEPRECATED /I %(asio)s\asio\include /DUSE_MBEDTLS /I %(mbedtls)s\include /DHAVE_LZ4 /I %(lz4)s%(extra_inc)s -DTAP_WIN_COMPONENT_ID=%(tap_component_id)s /I %(tap)s /I %(ovpn3)s\core /EHsc %(link_static_dynamic_flags)s /W0 %(dbg_rel_flags)s /nologo %(srcfile)s /link /LIBPATH:%(mbedtls)s\library /LIBPATH:%(lz4)s%(extra_lib_path)s mbedtls.lib lz4.lib%(extra_lib)s ws2_32.lib crypt32.lib iphlpapi.lib winmm.lib user32.lib gdi32.lib advapi32.lib wininet.lib shell32.lib ole32.lib rpcrt4.lib Wtsapi32.lib" % options, arch=os.environ.get("ARCH"))
+    vc_cmd(parms, r"cl %(extra_defs)s /DNOMINMAX /bigobj /D_CRT_SECURE_NO_WARNINGS /DUSE_ASIO /DASIO_STANDALONE /DASIO_NO_DEPRECATED /I %(asio)s\asio\include /DHAVE_LZ4 /I %(lz4)s %(extra_inc)s -DTAP_WIN_COMPONENT_ID=%(tap_component_id)s /I %(tap)s /I %(ovpn3)s\core /EHsc %(link_static_dynamic_flags)s /W0 %(dbg_rel_flags)s /nologo %(srcfile)s /link /LIBPATH:%(lz4)s%(extra_lib_path)s lz4.lib%(extra_lib)s ws2_32.lib crypt32.lib iphlpapi.lib winmm.lib user32.lib gdi32.lib advapi32.lib wininet.lib shell32.lib ole32.lib rpcrt4.lib Wtsapi32.lib" % options, arch=os.environ.get("ARCH"))
 
 if __name__ == "__main__":
     import sys
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/win/buildep.py b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/win/buildep.py
index c01eb6e..401c2f4 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/win/buildep.py
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/win/buildep.py
@@ -133,9 +133,29 @@ def build_jsoncpp(parms):
             compile_one_file(parms, "jsoncpp.cpp", (".",))
             vc_cmd(parms, r"lib /OUT:jsoncpp.lib jsoncpp.obj")
 
+def build_openssl(parms):
+    print "**************** OPENSSL"
+    with Cd(build_dir(parms)):
+        url = "https://www.openssl.org/source/%s.tar.gz" % parms["OPENSSL_VERSION"]
+        arch_path = os.path.join(build_dir(parms), download(url))
+        checksum = sha256_checksum(arch_path)
+        if checksum != parms["OPENSSL_CSUM"]:
+            sys.exit("Checksum mismatch, expected %s, actual %s" % (parms["OPENSSL_CSUM"], checksum))
+        with ModEnv('PATH', "%s\\bin;%s" % (parms.get('GIT'), os.environ['PATH'])):
+            extract(arch_path, "gz")
+            dist = os.path.realpath('openssl')
+            rmtree(dist)
+            os.rename(parms["OPENSSL_VERSION"], dist)
+            rm(arch_path)
+
+            os.chdir(dist)
+            for cmd in ["perl Configure VC-WIN64A", "ms\\do_win64a", "nmake -f ms\\nt.mak"]:
+                vc_cmd(parms, cmd)
+
 def build_all(parms):
     wipetree(build_dir(parms))
     build_asio(parms)
+    build_openssl(parms)
     build_mbedtls(parms)
     build_lz4(parms)
     build_jsoncpp(parms)
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/win/ovpn3-core.sln b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/win/ovpn3-core.sln
index 5af53dc..15249a8 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/win/ovpn3-core.sln
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/win/ovpn3-core.sln
@@ -5,36 +5,38 @@ VisualStudioVersion = 15.0.28307.106
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "cli", "ovpn3-core.vcxproj", "{1F891260-2039-494F-9777-EC5166AF31BC}"
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "unittests", "..\test\unittests\unittests.vcxproj", "{18446924-20CC-4EB7-B639-A76C1422E5C2}"
-EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|ARM = Debug|ARM
 		Debug|x64 = Debug|x64
 		Debug|x86 = Debug|x86
+		DebugOpenSSL|ARM = DebugOpenSSL|ARM
+		DebugOpenSSL|x64 = DebugOpenSSL|x64
+		DebugOpenSSL|x86 = DebugOpenSSL|x86
 		Release|ARM = Release|ARM
 		Release|x64 = Release|x64
 		Release|x86 = Release|x86
+		ReleaseOpenSSL|ARM = ReleaseOpenSSL|ARM
+		ReleaseOpenSSL|x64 = ReleaseOpenSSL|x64
+		ReleaseOpenSSL|x86 = ReleaseOpenSSL|x86
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{1F891260-2039-494F-9777-EC5166AF31BC}.Debug|ARM.ActiveCfg = Debug|x64
 		{1F891260-2039-494F-9777-EC5166AF31BC}.Debug|x64.ActiveCfg = Debug|x64
 		{1F891260-2039-494F-9777-EC5166AF31BC}.Debug|x64.Build.0 = Debug|x64
 		{1F891260-2039-494F-9777-EC5166AF31BC}.Debug|x86.ActiveCfg = Debug|x64
+		{1F891260-2039-494F-9777-EC5166AF31BC}.DebugOpenSSL|ARM.ActiveCfg = DebugOpenSSL|x64
+		{1F891260-2039-494F-9777-EC5166AF31BC}.DebugOpenSSL|x64.ActiveCfg = DebugOpenSSL|x64
+		{1F891260-2039-494F-9777-EC5166AF31BC}.DebugOpenSSL|x64.Build.0 = DebugOpenSSL|x64
+		{1F891260-2039-494F-9777-EC5166AF31BC}.DebugOpenSSL|x86.ActiveCfg = DebugOpenSSL|x64
 		{1F891260-2039-494F-9777-EC5166AF31BC}.Release|ARM.ActiveCfg = Release|x64
 		{1F891260-2039-494F-9777-EC5166AF31BC}.Release|x64.ActiveCfg = Release|x64
 		{1F891260-2039-494F-9777-EC5166AF31BC}.Release|x64.Build.0 = Release|x64
 		{1F891260-2039-494F-9777-EC5166AF31BC}.Release|x86.ActiveCfg = Release|x64
-		{18446924-20CC-4EB7-B639-A76C1422E5C2}.Debug|ARM.ActiveCfg = Debug|Win32
-		{18446924-20CC-4EB7-B639-A76C1422E5C2}.Debug|x64.ActiveCfg = Debug|x64
-		{18446924-20CC-4EB7-B639-A76C1422E5C2}.Debug|x64.Build.0 = Debug|x64
-		{18446924-20CC-4EB7-B639-A76C1422E5C2}.Debug|x86.ActiveCfg = Debug|Win32
-		{18446924-20CC-4EB7-B639-A76C1422E5C2}.Debug|x86.Build.0 = Debug|Win32
-		{18446924-20CC-4EB7-B639-A76C1422E5C2}.Release|ARM.ActiveCfg = Release|Win32
-		{18446924-20CC-4EB7-B639-A76C1422E5C2}.Release|x64.ActiveCfg = Release|x64
-		{18446924-20CC-4EB7-B639-A76C1422E5C2}.Release|x64.Build.0 = Release|x64
-		{18446924-20CC-4EB7-B639-A76C1422E5C2}.Release|x86.ActiveCfg = Release|Win32
-		{18446924-20CC-4EB7-B639-A76C1422E5C2}.Release|x86.Build.0 = Release|Win32
+		{1F891260-2039-494F-9777-EC5166AF31BC}.ReleaseOpenSSL|ARM.ActiveCfg = ReleaseOpenSSL|x64
+		{1F891260-2039-494F-9777-EC5166AF31BC}.ReleaseOpenSSL|x64.ActiveCfg = ReleaseOpenSSL|x64
+		{1F891260-2039-494F-9777-EC5166AF31BC}.ReleaseOpenSSL|x64.Build.0 = ReleaseOpenSSL|x64
+		{1F891260-2039-494F-9777-EC5166AF31BC}.ReleaseOpenSSL|x86.ActiveCfg = ReleaseOpenSSL|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/win/ovpn3-core.vcxproj b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/win/ovpn3-core.vcxproj
index 040f60c..06cf127 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/win/ovpn3-core.vcxproj
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/win/ovpn3-core.vcxproj
@@ -1,10 +1,18 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="DebugOpenSSL|x64">
+      <Configuration>DebugOpenSSL</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
     <ProjectConfiguration Include="Debug|x64">
       <Configuration>Debug</Configuration>
       <Platform>x64</Platform>
     </ProjectConfiguration>
+    <ProjectConfiguration Include="ReleaseOpenSSL|x64">
+      <Configuration>ReleaseOpenSSL</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
     <ProjectConfiguration Include="Release|x64">
       <Configuration>Release</Configuration>
       <Platform>x64</Platform>
@@ -444,13 +452,26 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v141</PlatformToolset>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='DebugOpenSSL|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v141</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v140</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>MultiByte</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseOpenSSL|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v141</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>MultiByte</CharacterSet>
   </PropertyGroup>
@@ -467,7 +488,7 @@
       <Optimization>Disabled</Optimization>
       <SDLCheck>false</SDLCheck>
       <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;NOMINMAX;_WIN32_WINNT=0x0600;USE_ASIO;ASIO_STANDALONE;USE_MBEDTLS;HAVE_LZ4;TAP_WIN_COMPONENT_ID=tap0901;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>$(OVPN3_ROOT)\deps\amd64\mbedtls\include;$(OVPN3_ROOT)\deps\amd64\tap-windows\src;$(OVPN3_ROOT)\deps\amd64\asio\asio\include;$(OVPN3_ROOT)\deps\amd64\lz4\lib;$(OVPN3_ROOT)\core;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(O3)\deps\amd64\mbedtls\include;$(O3)\deps\amd64\tap-windows\src;$(O3)\deps\amd64\asio\asio\include;$(O3)\deps\amd64\lz4\lib;$(O3)\core;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <SuppressStartupBanner>false</SuppressStartupBanner>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <AdditionalOptions>/bigobj %(AdditionalOptions)</AdditionalOptions>
@@ -475,11 +496,30 @@
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
-      <AdditionalLibraryDirectories>$(OVPN3_ROOT)\deps\amd64\mbedtls\library;$(OVPN3_ROOT)\deps\amd64\lz4\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <AdditionalLibraryDirectories>$(O3)\deps\amd64\mbedtls\library;$(O3)\deps\amd64\lz4\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
       <AdditionalDependencies>lz4.lib;mbedtls.lib;fwpuclnt.lib;ws2_32.lib;crypt32.lib;iphlpapi.lib;winmm.lib;advapi32.lib;wininet.lib;shell32.lib;ole32.lib;rpcrt4.lib;Wtsapi32.lib</AdditionalDependencies>
       <ShowProgress>NotSet</ShowProgress>
     </Link>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='DebugOpenSSL|x64'">
+    <ClCompile>
+      <WarningLevel>TurnOffAllWarnings</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <SDLCheck>false</SDLCheck>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;NOMINMAX;_WIN32_WINNT=0x0600;USE_ASIO;ASIO_STANDALONE;USE_OPENSSL;HAVE_LZ4;TAP_WIN_COMPONENT_ID=tap0901;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>$(O3)\deps\amd64\openssl\inc32;$(O3)\deps\amd64\tap-windows\src;$(O3)\deps\amd64\asio\asio\include;$(O3)\deps\amd64\lz4\lib;$(O3)\core;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <SuppressStartupBanner>false</SuppressStartupBanner>
+      <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <AdditionalOptions>/bigobj %(AdditionalOptions)</AdditionalOptions>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
+    </ClCompile>
+    <Link>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <AdditionalLibraryDirectories>$(O3)\deps\amd64\openssl\out32;$(O3)\deps\amd64\lz4\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <AdditionalDependencies>gdi32.lib;user32.lib;ssleay32.lib;libeay32.lib;lz4.lib;fwpuclnt.lib;ws2_32.lib;crypt32.lib;iphlpapi.lib;winmm.lib;advapi32.lib;wininet.lib;shell32.lib;ole32.lib;rpcrt4.lib;Wtsapi32.lib</AdditionalDependencies>
+      <ShowProgress>NotSet</ShowProgress>
+    </Link>
+  </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <ClCompile>
       <WarningLevel>TurnOffAllWarnings</WarningLevel>
@@ -488,15 +528,34 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <SDLCheck>false</SDLCheck>
       <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;NOMINMAX;_WIN32_WINNT=0x0600;USE_ASIO;ASIO_STANDALONE;USE_MBEDTLS;HAVE_LZ4;TAP_WIN_COMPONENT_ID=tap0901;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <AdditionalIncludeDirectories>$(OVPN3_ROOT)\deps\amd64\mbedtls\include;$(OVPN3_ROOT)\deps\amd64\tap-windows\src;$(OVPN3_ROOT)\deps\amd64\asio\asio\include;$(OVPN3_ROOT)\deps\amd64\lz4\lib;$(OVPN3_ROOT)\core;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(O3)\deps\amd64\mbedtls\include;$(O3)\deps\amd64\tap-windows\src;$(O3)\deps\amd64\asio\asio\include;$(O3)\deps\amd64\lz4\lib;$(O3)\core;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
-      <AdditionalLibraryDirectories>$(OVPN3_ROOT)\deps\amd64\mbedtls\library;$(OVPN3_ROOT)\deps\amd64\lz4\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
-      <AdditionalDependencies>lz4.lib;mbedtls.lib;fwpuclnt.lib;ws2_32.lib;crypt32.lib;iphlpapi.lib;winmm.lib;advapi32.lib;wininet.lib;shell32.lib;ole32.lib;rpcrt4.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalLibraryDirectories>$(O3)\deps\amd64\mbedtls\library;$(O3)\deps\amd64\lz4\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <AdditionalDependencies>lz4.lib;mbedtls.lib;fwpuclnt.lib;ws2_32.lib;crypt32.lib;iphlpapi.lib;winmm.lib;advapi32.lib;wininet.lib;shell32.lib;ole32.lib;rpcrt4.lib;Wtsapi32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseOpenSSL|x64'">
+    <ClCompile>
+      <WarningLevel>TurnOffAllWarnings</WarningLevel>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>false</SDLCheck>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;NOMINMAX;_WIN32_WINNT=0x0600;USE_ASIO;ASIO_STANDALONE;USE_OPENSSL;HAVE_LZ4;TAP_WIN_COMPONENT_ID=tap0901;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>$(O3)\deps\amd64\openssl\inc32;$(O3)\deps\amd64\tap-windows\src;$(O3)\deps\amd64\asio\asio\include;$(O3)\deps\amd64\lz4\lib;$(O3)\core;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+    </ClCompile>
+    <Link>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <AdditionalLibraryDirectories>$(O3)\deps\amd64\openssl\out32;$(O3)\deps\amd64\lz4\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <AdditionalDependencies>ssleay32.lib;libeay32.lib;lz4.lib;fwpuclnt.lib;ws2_32.lib;crypt32.lib;iphlpapi.lib;winmm.lib;advapi32.lib;wininet.lib;shell32.lib;ole32.lib;rpcrt4.lib;Wtsapi32.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
diff --git a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/win/utils.py b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/win/utils.py
index 8b6ad1c..3a16f02 100644
--- a/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/win/utils.py
+++ b/Sources/OpenVPNAdapter/Libraries/Vendors/openvpn/win/utils.py
@@ -267,7 +267,10 @@ def zipdir(path, ziph):
 def download(url):
     print "Downloading %s" % url
     response = requests.get(url)
-    fname = rfc6266.parse_headers(response.headers['content-disposition']).filename_unsafe
+    if "Content-Disposition" in response.headers.keys():
+        fname = rfc6266.parse_headers(response.headers['Content-Disposition']).filename_unsafe
+    else:
+        fname = url.split("/")[-1]
     with open(fname, "wb") as f:
         f.write(response.content)
     return fname
@@ -301,6 +304,7 @@ def read_params():
     if os.environ.get('USE_JSONSPP'):
         params['CONNECT'] = True
     params['GTEST_ROOT'] = os.environ.get('GTEST_ROOT')
+    params['USE_OPENSSL'] = os.environ.get('USE_OPENSSL')
 
     # read versions
     with open(os.path.join(params['OVPN3'], "core", "deps", "lib-versions")) as f: