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106 lines
3.6 KiB
106 lines
3.6 KiB
/* The MIT License
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*
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* Copyright (c) 2010 OTClient, https://github.com/edubart/otclient
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef CONNECTION_H
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#define CONNECTION_H
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#include <prerequisites.h>
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#include <net/networkmessage.h>
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#include <boost/asio.hpp>
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class Protocol;
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class Connection;
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typedef boost::shared_ptr<Connection> ConnectionPtr;
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typedef boost::function<void()> ConnectionCallback;
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typedef boost::function<void(const NetworkMessage&)> RecvCallback;
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typedef boost::function<void(const boost::system::error_code&)> ErrorCallback;
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class Connection : public boost::enable_shared_from_this<Connection>
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{
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public:
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enum {
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WRITE_TIMEOUT = 10,
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READ_TIMEOUT = 10
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};
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enum EConnectionState {
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STATE_CONNECTING,
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STATE_OPEN,
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STATE_CLOSED
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}
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Connection();
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~Connection();
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bool connect(const std::string& host, uint16 port, const Callback& callback);
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void close();
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void setOnError(const ErrorCallback& callback) { m_errorCallback = callback; }
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void setOnRecv(const RecvCallback& callback) { m_recvCallback = callback; }
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void send(const OutputMessage& networkMessage);
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bool isConnecting() const { return m_state == STATE_CONNECTING; }
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bool isConnected() const { return m_state == STATE_OPEN; }
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static void poll();
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private:
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void onResolveDns(const boost::system::error_code& error, boost::asio::ip::tcp::resolver::iterator endpointIt);
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void onConnect(const boost::system::error_code& error);
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void recvNext();
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void onRecvBody(const NetworkMessage& networkMessage, const RecvCallback& onRecv, const boost::system::error_code& error);
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void onSendHeader(const NetworkMessage& networkMessage, const ConnectionCallback& onSend, const boost::system::error_code& error);
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void onSendBody(const NetworkMessage& networkMessage, const ConnectionCallback& onSend, const boost::system::error_code& error);
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void onRecvHeader(const NetworkMessage& networkMessage, const RecvCallback& onRecv, const boost::system::error_code& error);
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void handleError(const boost::system::error_code& error);
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void internalCloseConnection();
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boost::asio::ip::tcp::resolver m_resolver;
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boost::asio::ip::tcp::socket m_socket;
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int32_t m_pendingWrite;
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int32_t m_pendingRead;
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bool m_writeError;
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bool m_readError;
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boost::asio::deadline_timer m_readTimer;
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boost::asio::deadline_timer m_writeTimer;
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EConnectionState m_state;
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Callback m_connectCallback;
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Callback m_closeCallback;
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ErrorCallback m_errorCallback;
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RecvCallback m_recvCallback;
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};
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#endif //CONNECTION_h
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