mirror of
https://github.com/deneraraujo/OpenVPNAdapter.git
synced 2026-04-24 00:00:05 +08:00
Sergey Abramchuk
f65d76170b
git-subtree-dir: OpenVPN Adapter/Vendors/openvpn git-subtree-split: da99df69492256d7a18bbea303ae98457782a4bf
75 lines
2.2 KiB
C++
75 lines
2.2 KiB
C++
// OpenVPN -- An application to securely tunnel IP networks
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// over a single port, with support for SSL/TLS-based
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// session authentication and key exchange,
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// packet encryption, packet authentication, and
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// packet compression.
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//
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// Copyright (C) 2012-2017 OpenVPN Technologies, Inc.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License Version 3
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// as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program in the COPYING file.
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// If not, see <http://www.gnu.org/licenses/>.
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// Create an Asio time_traits class to allow Asio to natively handle
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// our Time and Time::Duration classes.
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#ifndef OPENVPN_TIME_ASIOTIMER_H
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#define OPENVPN_TIME_ASIOTIMER_H
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#include <chrono>
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#include <openvpn/io/io.hpp> // was: #include <asio/basic_waitable_timer.hpp>
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#include <openvpn/common/olong.hpp>
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#include <openvpn/time/time.hpp>
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namespace openvpn {
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struct AsioClock
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{
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typedef olong rep;
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typedef std::ratio<1, 1024> period; // time resolution of openvpn::Time
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typedef std::chrono::duration<rep, period> duration;
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typedef std::chrono::time_point<AsioClock> time_point;
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static constexpr bool is_steady()
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{
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return false;
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}
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static time_point now()
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{
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return to_time_point(Time::now());
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}
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static time_point to_time_point(const Time& t)
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{
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return time_point(duration(t.raw()));
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}
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};
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class AsioTimer : public openvpn_io::basic_waitable_timer<AsioClock>
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{
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public:
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AsioTimer(openvpn_io::io_context& io_context)
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: openvpn_io::basic_waitable_timer<AsioClock>(io_context)
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{
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}
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std::size_t expires_at(const Time& t)
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{
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return openvpn_io::basic_waitable_timer<AsioClock>::expires_at(AsioClock::to_time_point(t));
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}
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};
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}
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#endif
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