int RenewMacAddrInMngDb(char* macAddr);
int PauseMacAddrInMngDb(char* macAddr);
int IsSessionFoundInMngDb(char* macAddr);
-int GetNextUsageLogFromMngDb(char* userId, char* extraId, char* macAddr, char* deviceName, char* openTime, char* gatewayName, int* weekday);
+int GetNextUsageLogFromMngDb(char* userId, char* extraId, char* macAddr, char* deviceName, char* openTime, char* closeTime, char* gatewayName);
int GetNextMailAddressFromMngDb(char* mailAddress, char* limitDate, char*device);
+int GetTimeRangeToShowLog(char* beginTime, char* endTime, int* dateCount);
/* workdb.c */
int SetupSqliteBusyTimeoutValue(void);