Merge commit '86cc97e55fe346502462284d2e636a2b3708163e' as 'Sources/OpenVPN3'

Sources/OpenVPN3/openvpn/http/webexcept.hpp

@@ -0,0 +1,70 @@
+//    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/>.
+
+#ifndef OPENVPN_HTTP_EXCEPT_H
+#define OPENVPN_HTTP_EXCEPT_H
+
+#include <string>
+#include <sstream>
+#include <exception>
+
+#include <openvpn/http/status.hpp>
+
+# define OPENVPN_THROW_WEB(exc, status, stuff)	\
+  do {						\
+    std::ostringstream _ovpn_exc;		\
+    _ovpn_exc << stuff;				\
+    throw exc(status, _ovpn_exc.str());		\
+  } while (0)
+
+namespace openvpn {
+  namespace HTTP {
+    class WebException : public std::exception
+    {
+    public:
+      WebException(const int status, const std::string& error)
+	: status_(status),
+	  error_(error),
+	  formatted(std::string(Status::to_string(status_)) + " : " + error_)
+      {
+      }
+
+      WebException(const int status)
+	: status_(status),
+	  error_(Status::to_string(status_)),
+	  formatted(error_)
+      {
+      }
+
+      int status() const { return status_; }
+      const std::string& error() const { return error_; }
+
+      virtual const char* what() const throw() { return formatted.c_str(); }
+
+    private:
+      const int status_;
+      const std::string error_;
+      const std::string formatted;
+    };
+  }
+}
+
+#endif