#ifndef SOH_HANDLER__H_
#define SOH_HANDLER__H_

#ifdef _WIN32
#pragma once
#endif



// size only in header
class HSohHandler : public HProtocolHandler
{
public:
	enum
	{
		HH_SOH_MAX_COMMAND_PACKET_SIZE = 65536
	};

	HSohHandler();
	~HSohHandler();

	int SendPacket(const char * pData, size_t nSize);

	// for zero copy
	char * GetSBufPtr() { return m_pSendBuffer->Tail(); }
	size_t GetSBufSize() { return m_pSendBuffer->RemainSize(); }
	bool MarkUsedSBuf(size_t nSize) { return m_pSendBuffer->MoveTail(nSize); }
	int SendBufferedPacket();

protected:
	int SendBufferCommand();

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

	int OnSendRetryToTransport();
	bool OnPrepareReceive() { return true; }

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

protected:
	HStreamBuffer * m_pRecvBuffer;
	size_t m_nBodySize;

	HStreamBuffer * m_pSendBuffer;
};


#endif	// REDUNDANCY__H_