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

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/*
* Copyright (c) 2010-2013 OTClient <https://github.com/edubart/otclient>
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*
* 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.
*/
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#ifndef INPUTMESSAGE_H
#define INPUTMESSAGE_H
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#include "declarations.h"
#include <framework/luaengine/luaobject.h>
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// @bindclass
class InputMessage : public LuaObject
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{
public:
enum {
BUFFER_MAXSIZE = 65536,
MAX_HEADER_SIZE = 8
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};
InputMessage();
void setBuffer(const std::string& buffer);
void skipBytes(uint16 bytes) { m_readPos += bytes; }
void setReadPos(uint16 readPos) { m_readPos = readPos; }
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uint8 getU8();
uint16 getU16();
uint32 getU32();
uint64 getU64();
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std::string getString();
double getDouble();
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uint8 peekU8() { uint8 v = getU8(); m_readPos-=1; return v; }
uint16 peekU16() { uint16 v = getU16(); m_readPos-=2; return v; }
uint32 peekU32() { uint32 v = getU32(); m_readPos-=4; return v; }
uint64 peekU64() { uint64 v = getU64(); m_readPos-=8; return v; }
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bool decryptRsa(int size);
int getReadSize() { return m_readPos - m_headerPos; }
int getReadPos() { return m_readPos; }
int getUnreadSize() { return m_messageSize - (m_readPos - m_headerPos); }
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uint16 getMessageSize() { return m_messageSize; }
bool eof() { return (m_readPos - m_headerPos) >= m_messageSize; }
protected:
void reset();
void fillBuffer(uint8 *buffer, uint16 size);
void setHeaderSize(uint16 size);
void setMessageSize(uint16 size) { m_messageSize = size; }
uint8* getReadBuffer() { return m_buffer + m_readPos; }
uint8* getHeaderBuffer() { return m_buffer + m_headerPos; }
uint8* getDataBuffer() { return m_buffer + MAX_HEADER_SIZE; }
uint16 getHeaderSize() { return (MAX_HEADER_SIZE - m_headerPos); }
uint16 readSize() { return getU16(); }
bool readChecksum();
friend class Protocol;
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private:
bool canRead(int bytes);
void checkRead(int bytes);
void checkWrite(int bytes);
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uint16 m_headerPos;
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uint16 m_readPos;
uint16 m_messageSize;
uint8 m_buffer[BUFFER_MAXSIZE];
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};
#endif