#pragma once
#include "ISECS2Item.h"

#define MSG_DATA			0
#define MSG_SELECT_REQ		1
#define MSG_SELECT_RSP		2
#define MSG_DESELECT_REQ	3
#define MSG_DESELECT_RSP	4
#define MSG_LINKTEST_REQ	5
#define MSG_LINKTEST_RSP	6
#define MSG_REJECT_REQ		7
#define MSG_SEPARATE_REQ	9

#define REPLY				0x80
typedef struct _HEADER
{
	unsigned short sessionId;
	BYTE stream;
	BYTE function;
	BYTE pType;
	BYTE sType;
	unsigned int systemBytes;
}HEADER;

class IMessage
{
public:
	virtual int getLength() = 0;
	virtual HEADER* getHeader() = 0;
	virtual ISECS2Item* getBody() = 0;
	virtual const char* toString() = 0;
	virtual int serialize(char* pszBuffer, int nBufferSize) = 0;
	virtual int unserialize(const char* pszBuffer, int nBufferSize) = 0;
};