PhysicalDevice/Machine/MachineryECOM/Trunk/DIOS.Dev.Machinery.Motion.Driver/DIOS.Dev.Machinery.Client/deliver/include/Img_header/ShareMemClientInterface.h

#pragma once
#include "FunctionErrorCode.h"
#include "FunctionDataTypeCommon.h"
#include "AdvancedFunctionDataElement.h"

#ifdef _WIN64
#ifdef _DEBUG
#pragma comment(lib, "ECOMFunctionAPIX64D.lib")
#else
#pragma comment(lib, "ECOMFunctionAPIX64.lib")
#endif
#else
#ifdef _DEBUG
#pragma comment(lib, "ECOMFunctionAPID.lib")
#else
#pragma comment(lib, "ECOMFunctionAPI.lib")
#endif
#endif

#ifndef _SHAREMEMCLIENT_CLASSINDLL
#ifdef _WIN64
#ifdef _DEBUG
#pragma comment(lib, "ShareMemAPIX64D.lib")
#else
#pragma comment(lib, "ShareMemAPIX64.lib")
#endif
#else
#ifdef _DEBUG
#pragma comment(lib, "ShareMemAPID.lib")
#else
#pragma comment(lib, "ShareMemAPI.lib")
#endif
#endif
#endif

#ifdef	 _SHAREMEMCLIENT_CLASSINDLL
#define  SHAREMEMCLIENTDLL_CLASS_DECL   _declspec(dllexport)
#else
#define  SHAREMEMCLIENTDLL_CLASS_DECL   _declspec(dllimport)
#endif

#define INVALID_SHAREMEM_ID  (unsigned __int64)~0

class CShareMemInfo;
class CBaseFunctionDataElement;
class SHAREMEMCLIENTDLL_CLASS_DECL CShareMemClient
{
public:
	CShareMemClient();
	virtual ~CShareMemClient();

	unsigned short GetUserId(){ return m_dwUserId; };

	CBaseFunctionDataElement* CreateDataElement(FUNCTION_DATATYPE eDataType, const wstring& strName = L"");
	void ReleaseDataElement(CBaseFunctionDataElement* pDataElement);

	int Register();
	int UnRegister();

	int ReadShareMem(unsigned __int64 dwShareMemId, CBaseFunctionDataElement** vecDataElement, unsigned int nBufferCount, unsigned int& nElementCount);
	int WriteShareMem(CBaseFunctionDataElement** vecDataElement, unsigned int nElementCount, unsigned __int64& dwShareMemId);
	
	int ReleaseShareMem(unsigned int dwShareMemId);
	int ReleaseAllShareMem();	
	
private:
	static void EncodeId(unsigned short wUserId, unsigned int nShareMemId, unsigned short wContentId, unsigned __int64& dwShareMemId);
	static void DecodeId(unsigned __int64 dwShareMemId, unsigned short& wUserId, unsigned int& nShareMemId, unsigned short& wContentId);
	unsigned short m_dwUserId;
	CShareMemInfo* m_ShareMemInfo;
	unsigned int m_dwShareMemCounter;
	CRITICAL_SECTION   m_ShareMemCounterCritical;
	unsigned short m_dwContentCounter;
	CRITICAL_SECTION   m_ContentCounterCritical;
};