//******************************************************************
//
// AUTHOR :     JiXueChun
//
// FUNCTION :   数据库监视进程中操作共享内存 类方法定义
//
// TIME :       2006.11.20
//
// HISTORY :
// Datetime           Action         Author           Reason
// -----------------------------------------------------------------
// 2006.11.20         Creation       JiXueChun
// 2008.07.29		  Modify		 JiXueChun		  add support to distributed dys
//******************************************************************

#ifndef         __CDYMONITORSHM_H_
#define         __CDYMONITORSHM_H_
#include "dy_monitor_define.h"


class CDyMonitorShm
{

protected:
	CDyMonitorShm();
public:
	static CDyMonitorShm & getInstance()
	{
		static CDyMonitorShm gCDyMonitorShm;
		return gCDyMonitorShm;
	}
	~CDyMonitorShm();
private:

	CDyShm  m_DbShm;

	TLoginDyInfo      * m_pAllDyInfo;

	int     m_nDyNum;
	static int      m_nDyNumOffset;
	static int		m_nAllDyAppStatusOffset;
	static int      m_nAllDyInfoOffset;
	int     m_TotalShmSize;

public:
	int     InitDyMonitorShm();
	int     SetDyAppStatusInfoByIndex (int index, int nStatus);
	int     GetDyAppStatusInfoByIndex (int index, int &nStatus);
	int     SetDyNum (int nDyNum);
	int     GetDyNum (int &nDyNum);
	int     SetDyServiceInfoByIndex (int index, const TLoginDyInfo &dyServiceInfo);
	int     GetDyServiceInfoByIndex (int index, TLoginDyInfo &dyServiceInfo);
private:
	string gDyIntToStr (int nVal);
};



#endif