/*************************************************************************** *   Copyright (C) 2005 by yunfan                                          * *   yunfan_zg@163.com                                                     * *                                                                         * *   This program is free software; you can redistribute it and/or modify  * *   it under the terms of the GNU General Public License as published by  * *   the Free Software Foundation; either version 2 of the License, or     * *   (at your option) any later version.                                   * *                                                                         * *   This program is distributed in the hope that it will be useful,       * *   but WITHOUT ANY WARRANTY; without even the implied warranty of        * *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         * *   GNU General Public License for more details.                          * *                                                                         * *   You should have received a copy of the GNU General Public License     * *   along with this program; if not, write to the                         * *   Free Software Foundation, Inc.,                                       * *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             * ***************************************************************************/ #ifndef EVAFTPACKET_H#define EVAFTPACKET_H#define QQ_FILE_AGENT_PACKET_TAG           0x04#define QQ_FILE_AGENT_PACKET_TAIL          0x03#define QQ_FILE_AGENT_CMD_CREATE           0x0001#define QQ_FILE_AGENT_CMD_LOGIN            0x0002#define QQ_FILE_AGENT_CMD_TRANSFER         0x0003#define QQ_FILE_AGENT_CMD_READY            0x0005#define QQ_FILE_AGENT_CMD_START            0x0006#define QQ_FILE_SYN_CMD_CREATE             0x0001#define QQ_FILE_SYN_CMD_REGISTER           0x0002class EvaFTPacket {public:	// for incoming packets	EvaFTPacket(const unsigned char *buf, const int len);	// for outcoming packets	EvaFTPacket();	virtual ~EvaFTPacket();	// for incoming packets	const bool parse();	// for outcoming packets	const bool fill(unsigned char *buf, int *len);	// for incoming packets	const unsigned char *getBody() const { return m_Buffer; }	const int getBodyLength() const { return m_BufferLength; }protected:	void setPacketTag(const unsigned char tag, const unsigned char tail);	virtual const int parseHeader(unsigned char *buf);	virtual const bool parseBody(unsigned char *buf, const int len);	virtual const int fillHeader(unsigned char *buf);	virtual const int fillBody(unsigned char *buf);	inline const unsigned char getTag() const { return m_Tag; }	inline const unsigned char getTail() const { return m_Tail; }	int m_HeaderLength;	bool m_HasTags;	bool m_HasLength;	unsigned int m_LengthOffset;private:	unsigned char m_Tag, m_Tail;	// for incoming packets	unsigned char *m_Buffer;	int m_BufferLength;};class EvaFTAgentPacket : public EvaFTPacket{public:	EvaFTAgentPacket(const unsigned char *buf, const int len);	EvaFTAgentPacket(const short cmd);	inline void setVersion(const unsigned short version) { m_Version = version; }	inline void setSequence(const unsigned short seq) { m_Sequence = seq; }	inline void setCommand(const unsigned short cmd) { m_Command = cmd; }	inline void setQQ(const int qq) { m_Id = qq; }	inline void setSessionId(const unsigned int sid) { m_Session = sid; }	inline const unsigned short getVersion() const { return m_Version; }	inline const unsigned short getSequence() const { return m_Sequence; }	inline const unsigned short getCommand() const { return m_Command; }	inline const int getQQ() const { return m_Id; }	inline const unsigned int getSessionId() const { return m_Session; }	void setFileAgentKey(const unsigned char *key);protected:	const int parseHeader(unsigned char *buf);	//virtual const bool pareseBody();	const int fillHeader(unsigned char *buf);	//virtual const unsigned int fillBody(unsigned char *buf);	unsigned char m_FileAgentKey[16];	unsigned int m_Session;private:	unsigned short m_Version;	unsigned short m_Command;	unsigned short m_Sequence;	int m_Id;};class EvaFTSynPacket : public EvaFTPacket{public:	EvaFTSynPacket(const unsigned char *buf, const int len);	EvaFTSynPacket(const short cmd);	inline void setVersion(const unsigned short version) { m_Version = version; }	inline void setSequence(const unsigned short seq) { m_Sequence = seq; }	inline void setCommand(const unsigned short cmd) { m_Command = cmd; }	inline void setQQ(const int qq) { m_Id = qq; }	inline void setSessionId(const unsigned int sid) { m_Session = sid; }	inline const unsigned short getVersion() const { return m_Version; }	inline const unsigned short getSequence() const { return m_Sequence; }	inline const unsigned short getCommand() const { return m_Command; }	inline const int getQQ() const { return m_Id; }	inline const unsigned int getSessionId() const { return m_Session; }	void setFileAgentKey(const unsigned char *key);protected:	const int parseHeader(unsigned char *buf);	const int fillHeader(unsigned char *buf);	unsigned char m_FileAgentKey[16];	unsigned int m_Session;private:	static const unsigned char m_StartTag = 0x02;	unsigned short m_Version;	unsigned short m_Command;	unsigned short m_Sequence;	// for sending , m_Id is my qq number	int m_Id;};#endif // #ifndef EVAFTPACKET_H