tibia-client/src/framework/net/protocol.h

83 lines
2.8 KiB
C++

/*
* Copyright (c) 2010-2017 OTClient <https://github.com/edubart/otclient>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef PROTOCOL_H
#define PROTOCOL_H
#include "declarations.h"
#include "inputmessage.h"
#include "outputmessage.h"
#include "connection.h"
#include <framework/luaengine/luaobject.h>
// @bindclass
class Protocol : public LuaObject
{
public:
Protocol();
virtual ~Protocol();
void connect(const std::string& host, uint16 port);
void disconnect();
bool isConnected();
bool isConnecting();
ticks_t getElapsedTicksSinceLastRead() { return m_connection ? m_connection->getElapsedTicksSinceLastRead() : -1; }
ConnectionPtr getConnection() { return m_connection; }
void setConnection(const ConnectionPtr& connection) { m_connection = connection; }
void generateXteaKey();
void setXteaKey(uint32 a, uint32 b, uint32 c, uint32 d);
std::vector<int> getXteaKey();
void enableXteaEncryption() { m_xteaEncryptionEnabled = true; }
void enableChecksum() { m_checksumEnabled = true; }
virtual void send(const OutputMessagePtr& outputMessage);
virtual void recv();
ProtocolPtr asProtocol() { return static_self_cast<Protocol>(); }
protected:
virtual void onConnect();
virtual void onRecv(const InputMessagePtr& inputMessage);
virtual void onError(const boost::system::error_code& err);
uint32 m_xteaKey[4];
private:
void internalRecvHeader(uint8* buffer, uint16 size);
void internalRecvData(uint8* buffer, uint16 size);
bool xteaDecrypt(const InputMessagePtr& inputMessage);
void xteaEncrypt(const OutputMessagePtr& outputMessage);
bool m_checksumEnabled;
bool m_xteaEncryptionEnabled;
ConnectionPtr m_connection;
InputMessagePtr m_inputMessage;
};
#endif