#pragma once

#include <winsock2.h>
#define PACKET_HEADERSIZE		(sizeof(int) * 3 + sizeof(SHORT) * 4)	

class AFX_EXT_CLASS CNetPacket  
{
public:
	CNetPacket();
	CNetPacket(const CNetPacket* rhs);
	virtual ~CNetPacket();

	//////////////////////////////////////////////////////////////////////////
	// Packet Header
	void		SetVersion(SHORT sNetworkCode, SHORT sVersion);
	void		SetPacketCode(int nCode)	{ m_nPacketCode = nCode; }
	void		SetModuleNo(int nModuleNo)	{ m_nModuleNo = nModuleNo; }
	int			Read_PacketHeader(WSABUF* pWsaBuf);
	int			Read_PacketBody(char* pBuf);

	// º¯¼ö¿¡ Á¢±Ù
	int			GetSize() const					{ return m_nSize; }
	SHORT		GetNetworkCode() const			{ return m_sNetworkCode; }
	SHORT		GetVersion() const				{ return m_sVersion; }
	int			GetPacketCode() const			{ return m_nPacketCode; }
	int			GetResult() const				{ return m_sResult; }
	int			GetPacketIndex() const			{ return m_sPacketIndex; }
	int			GetModuleNo() const				{ return m_nModuleNo; }

	//////////////////////////////////////////////////////////////////////////
	// Packet Body
	void		ResetValues();
		
	BOOL		SetShort(short sValue);
	BOOL		SetInt(int nValue);
	BOOL		SetDouble(double dValue);
	BOOL		SetString(const CString& strString);
	BOOL		SetBuffer(int nSize, const char* pBuffer);

	int			GetShortCount()				{ return m_nShortCount; }
	int			GetIntCount()				{ return m_nIntCount; }
	int			GetDoubleCount()			{ return m_nDoubleCount; }
	int			GetStringCount()			{ return m_nStringCount; }
	int			GetBufferSize()				{ return m_nBufferSize; }

	short		GetShort(int nIdx) const;
	int			GetInt(int nIdx) const;
	double		GetDouble(int nIdx) const;
	CString		GetString(int nIdx) const;
	const char*	GetBuffer()  const;

	//////////////////////////////////////////////////////////////////////////
	// °ü¸® ÇÔ¼öµé
	void		UnlockPacket()				{ m_bUsing = FALSE; }
	BOOL		IsUsing() const				{ return m_bUsing; }
	void		LockPacket()				{ m_bUsing = TRUE; }
protected:
	BOOL		m_bUsing;

	//////////////////////////////////////////////////////////////////////////
	// Packet Header ºÎºÐ
	int			m_nSize;				// Size¸¦ Æ÷ÇÔÇÑ Àüü ÆÐŶ Å©±â			4 bytes
	SHORT		m_sNetworkCode;			// Program Code * 10 + Network Code		2 bytes
	SHORT		m_sVersion;				// Network Module Version				2 bytes
	int			m_nPacketCode;			// Packet Code  4 bytes
	SHORT		m_sPacketIndex;			// ¿©·¯ PacketÀÏ ¶§ÀÇ Index				2 bytes
	SHORT		m_sResult;				// Result - ´Ü¼ø Ack µîÀ» À§ÇÑ ¿¹¾à°ø°£	2 bytes
	int			m_nModuleNo;			// Module Number						4 bytes

	SHORT		m_sSetNetworkCode;		// Program Code * 10 + Network Code		2 bytes
	SHORT		m_sSetVersion;			// Network Module Version				2 bytes

	//////////////////////////////////////////////////////////////////////////
	// Packet Body ºÎºÐ
	int			m_nShortCount;
	int			m_nShortArraySize;
	short*		m_psShort;

	int			m_nIntCount;
	int			m_nIntArraySize;
	int*		m_pnInt;

	int			m_nDoubleCount;
	int			m_nDoubleArraySize;
	double*		m_pdDouble;

	int			m_nStringCount;
	int			m_nStringArraySize;
	CString*	m_pstrString;

	int			m_nBufferSize;
	char*		m_pBuffer;
};