#ifndef VSP_HANDLER__H_
#define VSP_HANDLER__H_

#ifdef _WIN32
#pragma once
#endif


#define EXTRACT_NEXT_PARAM(VALIABLE, NEXT, SIZE, OFFSET)					\
	if ((OFFSET = VALIABLE.Tokenize(NEXT, SIZE, ' ')) <= 1) {				\
	if (SIZE > 0) { VALIABLE.Assign(NEXT, SIZE); OFFSET = SIZE; }			\
		else { HLOGF(HLOG_ERROR, "[ERROR], Invalid param, %s\n", NEXT);		\
			return -1; } }													\
	NEXT += OFFSET; SIZE -= OFFSET;



class HVspHandler : public HProtocolHandler
{
public:
	enum
	{
		//HH_VSP_MAX_COMMAND_PACKET_SIZE = 8192
		HH_VSP_MAX_COMMAND_PACKET_SIZE = 65536
	};

	HVspHandler();
	~HVspHandler();

	int SendCommand(const HString & strCommand);
	int SendBinary(const char * pData, size_t nSize);

protected:
	int SendBufferCommand();

	void OnReceivedStatusFromTransport(int nStatus);
	int OnReceivedFromTransport(const char * pData, int nSize);
	int ProcPacketBodyReceive();

	int OnSendRetryToTransport();
	bool OnPrepareReceive();

	virtual void OnInitialize(bool bIsSuccess) = 0;
	virtual void OnTerminate() = 0;
	virtual int OnReceivedCommand(const char * pPacket, int nSize) = 0;

protected:
	HStreamBuffer * m_pRecvBuffer;
	int m_nBodyOffset;
	long m_nBodySize;
	long m_nRemainBodySize;

	HStreamBuffer * m_pSendBuffer;
};


#endif	// REDUNDANCY__H_