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120 lines
3.9 KiB
C++
120 lines
3.9 KiB
C++
/*
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* Copyright (c) 2013, Peter Thorson. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the WebSocket++ Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef WEBSOCKETPP_TRANSPORT_ASIO_BASE_HPP
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#define WEBSOCKETPP_TRANSPORT_ASIO_BASE_HPP
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#include <websocketpp/common/cpp11.hpp>
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#include <websocketpp/common/functional.hpp>
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#include <websocketpp/common/system_error.hpp>
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#include <boost/system/error_code.hpp>
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#include <string>
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namespace websocketpp {
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namespace transport {
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/// Transport policy that uses boost::asio
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namespace asio {
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typedef lib::function<void(boost::system::error_code const &)>
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socket_shutdown_handler;
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/**
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* This policy uses a single boost::asio io_service to provide transport
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* services to a WebSocket++ endpoint.
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*
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*
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*
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*
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*/
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namespace error {
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enum value {
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/// Catch-all error for transport policy errors that don't fit in other
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/// categories
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general = 1,
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/// async_read_at_least call requested more bytes than buffer can store
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invalid_num_bytes,
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/// there was an error in the underlying transport library
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pass_through,
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/// The connection to the requested proxy server failed
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proxy_failed,
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/// Invalid Proxy URI
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proxy_invalid
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};
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class category : public lib::error_category {
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public:
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char const * name() const _WEBSOCKETPP_NOEXCEPT_TOKEN_ {
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return "websocketpp.transport.asio";
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}
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std::string message(int value) const {
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switch(value) {
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case error::general:
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return "Generic asio transport policy error";
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case error::invalid_num_bytes:
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return "async_read_at_least call requested more bytes than buffer can store";
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case error::pass_through:
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return "Underlying Transport Error";
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case error::proxy_failed:
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return "Proxy connection failed";
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case error::proxy_invalid:
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return "Invalid proxy URI";
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default:
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return "Unknown";
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}
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}
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};
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inline const lib::error_category& get_category() {
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static category instance;
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return instance;
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}
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inline lib::error_code make_error_code(error::value e) {
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return lib::error_code(static_cast<int>(e), get_category());
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}
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} // namespace error
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} // namespace asio
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} // namespace transport
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} // namespace websocketpp
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_WEBSOCKETPP_ERROR_CODE_ENUM_NS_START_
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template<> struct is_error_code_enum<websocketpp::transport::asio::error::value>
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{
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static const bool value = true;
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};
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_WEBSOCKETPP_ERROR_CODE_ENUM_NS_END_
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#endif // WEBSOCKETPP_TRANSPORT_ASIO_HPP
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