TimeStamp TimeStamp::getCurrentTimeStamp() { TimeStamp result; // NS: We round generated timestamps to whole millisecond. // Not many applications can deal with fractional milliseconds properly and // we do not use high resolution timers either so actual time granularity // is going to to be somewhere in range between 1 ms (like on UNIX/Risc) // and 53 ms (such as Win9X) time_t seconds; // UTC time int milliseconds; #ifdef HAVE_GETTIMEOFDAY struct timeval tp; GETTIMEOFDAY(&tp); seconds = tp.tv_sec; milliseconds = tp.tv_usec / 1000; #else struct timeb time_buffer; ftime(&time_buffer); seconds = time_buffer.time; milliseconds = time_buffer.millitm; #endif // NS: Current FB behavior of using server time zone is not appropriate for // distributed applications. We should be storing UTC times everywhere and // convert timestamps to client timezone as necessary. Replace localtime stuff // with these lines as soon as the appropriate functionality is implemented // // mValue.timestamp_date = seconds / 86400 + GDS_EPOCH_START; // mValue.timestamp_time = (seconds % 86400) * ISC_TIME_SECONDS_PRECISION; const int fractions = milliseconds * ISC_TIME_SECONDS_PRECISION / 1000; #ifdef HAVE_LOCALTIME_R struct tm times; if (!localtime_r(&seconds, ×)) { report_error("localtime_r"); return result; } result.encode(×, fractions); #else struct tm *times = localtime(&seconds); if (!times) { report_error("localtime"); return result; } result.encode(times, fractions); #endif return result; }