//******************************************************************
//
// AUTHOR :     LMJ 
//
// FUNCTION :   数据库监视进程中操作共享内存 类方法定义  
//
// TIME :       2003.12.8
//
// HISTORY :
// Datetime           Action         Author           Reason 
// -----------------------------------------------------------------
// 2003.12.16         Creation       LMJ
// 2004.09.18         Modify         ZhangKeHeng      add interface for db_warn_server     
//******************************************************************

#ifndef         __CDBMONITORSHM_H_
#define         __CDBMONITORSHM_H_
#include "db_com/db_monitor_define.h"


class CDbMonitorShm
{
        
protected:
    CDbMonitorShm();
public:
    static CDbMonitorShm & getInstance()
    {
            static CDbMonitorShm gCDbMonitorShm;
            return gCDbMonitorShm;
    }        
    ~CDbMonitorShm();
private:
        
    CDbShm  m_DbShm;
                    
    TLoginInfo      * m_pAllDbInfo;
    
    int     m_nDbNum;
    static int      m_nDbAppStatusOffset;
    static int      m_nMasterDbInfoOffset;
    static int      m_nDbNumOffset;
    static int      m_nAllDbInfoOffset;
    int     m_TotalShmSize;

public: 
    int     InitDbMonitorShm();     
    int     SetDbAppStatusInfo(const int nStatus);
    int     GetDbAppStatusInfo(int &nStatus);      
    int     SetMasterDbLoginInfo(const TLoginInfo &DbLoginInfo);
    int     GetMasterDbLoginInfo(TLoginInfo &DbLoginInfo);
    int     SetDbNum(const int nDbNum);
    int     GetDbNum(int &nDbNum);  
    int     SetDbServiceInfo(const TLoginInfo &dbServiceInfo , int nDbSerialNo);
    int     GetDbServiceInfo(TLoginInfo &dbServiceInfo , int nDbSerialNo);
    int     GetDbServiceInfoByDbService(TLoginInfo &dbServiceInfo , string strDbService);
    //int     GetDbServiceInfoByDbName(TLoginInfo &dbServiceInfo , string strDbName);
	int     GetDbServiceInfoByDbServiceDesc(TLoginInfo &dbServiceInfo , string strDbDesc);
    int     GetAllDbServiceInfo(vector<TLoginInfo> &dbServiceInfo);
    int     SetAllDbServiceInfo(const vector<TLoginInfo> &dbServiceInfo);
    //int     GetDbSerialNoFromDbName(vector<int> &dbSerialNoVec , string strDbName);
	int     GetDbSerialNoFromDbServiceDesc(vector<int> &dbSerialNoVec,string strDbDesc);
    int     GetDbSerialNoFromDbService(int &nDbSerialNo , string strDbService);
    
    //Add for db_warn_server by ZhangKeHeng 
    int     GetDbInfoByDbService(TLoginInfo &dbServiceInfo , string strDbService);
    //int     GetDbInfoByDbName(TLoginInfo &dbServiceInfo , string strDbName);
	int     GetDbInfoByDbServiceDesc(TLoginInfo &dbServiceInfo , string strDbDesc);
};

 

#endif