83 lines
2.8 KiB
C++
83 lines
2.8 KiB
C++
/*
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* Copyright (c) 2010-2017 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 PROTOCOL_H
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#define PROTOCOL_H
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#include "declarations.h"
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#include "inputmessage.h"
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#include "outputmessage.h"
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#include "connection.h"
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#include <framework/luaengine/luaobject.h>
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// @bindclass
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class Protocol : public LuaObject
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{
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public:
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Protocol();
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virtual ~Protocol();
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void connect(const std::string& host, uint16 port);
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void disconnect();
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bool isConnected();
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bool isConnecting();
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ticks_t getElapsedTicksSinceLastRead() { return m_connection ? m_connection->getElapsedTicksSinceLastRead() : -1; }
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ConnectionPtr getConnection() { return m_connection; }
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void setConnection(const ConnectionPtr& connection) { m_connection = connection; }
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void generateXteaKey();
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void setXteaKey(uint32 a, uint32 b, uint32 c, uint32 d);
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std::vector<int> getXteaKey();
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void enableXteaEncryption() { m_xteaEncryptionEnabled = true; }
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void enableChecksum() { m_checksumEnabled = true; }
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virtual void send(const OutputMessagePtr& outputMessage);
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virtual void recv();
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ProtocolPtr asProtocol() { return static_self_cast<Protocol>(); }
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protected:
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virtual void onConnect();
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virtual void onRecv(const InputMessagePtr& inputMessage);
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virtual void onError(const boost::system::error_code& err);
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uint32 m_xteaKey[4];
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private:
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void internalRecvHeader(uint8* buffer, uint16 size);
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void internalRecvData(uint8* buffer, uint16 size);
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bool xteaDecrypt(const InputMessagePtr& inputMessage);
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void xteaEncrypt(const OutputMessagePtr& outputMessage);
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bool m_checksumEnabled;
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bool m_xteaEncryptionEnabled;
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ConnectionPtr m_connection;
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InputMessagePtr m_inputMessage;
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};
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#endif
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