internal static int Measure(string apiName, string hintStr, TimeSpan maxAllowedLatency, TimeSpan maxAllowedLatencyForTimer, TimerCallback latencyCallback, Func <int> func, out TimeSpan elapsed)
{
ExDateTime now = ExDateTime.Now;
int num = 0;
bool flag = true;
Timer timer = null;
Timer timer2 = null;
try
{
if (latencyCallback != null && maxAllowedLatencyForTimer.TotalSeconds > 0.0)
{
LatencyChecker.LatencyContext latencyContext = new LatencyChecker.LatencyContext(now, apiName, hintStr, maxAllowedLatencyForTimer);
timer = new Timer(latencyCallback, latencyContext, -1, -1);
latencyContext.Timer = timer;
timer.Change(maxAllowedLatencyForTimer, TimeSpan.FromMilliseconds(-1.0));
timer2 = new Timer(new TimerCallback(LatencyChecker.ReportClusApiHangLongLatency), latencyContext, -1, -1);
TimeSpan dueTime = TimeSpan.FromSeconds((double)RegistryParameters.ClusApiHangReportLongLatencyDurationInSec);
timer2.Change(dueTime, TimeSpan.FromMilliseconds(-1.0));
}
if (RegistryParameters.IsApiLatencyTestEnabled)
{
LatencyChecker.DelayApiIfRequired(apiName);
num = RegistryParameters.GetApiSimulatedErrorCode(apiName);
if (num == 0)
{
num = func();
}
else
{
NativeMethods.SetLastError(num);
}
}
else
{
num = func();
}
flag = false;
}
finally
{
if (flag)
{
num = -1;
}
if (timer != null)
{
timer.Change(-1, -1);
timer.Dispose();
}
if (timer2 != null)
{
timer2.Change(-1, -1);
timer2.Dispose();
}
elapsed = ExDateTime.Now - now;
ExTraceGlobals.LatencyCheckerTracer.TraceDebug(0L, "Api={0}, StartTime={1}, Elapsed={2}, Hint={3}, IsUnhandled={4}, RetCode={5}, MaxLatency={6}", new object[]
{
apiName,
now,
elapsed,
hintStr,
flag,
num,
maxAllowedLatency
});
if (elapsed > maxAllowedLatency || (num != 0 && RegistryParameters.GetIsLogApiLatencyFailure()))
{
ReplayCrimsonEvents.OperationTookVeryLongTimeToComplete.Log <string, ExDateTime, TimeSpan, string, bool, int, TimeSpan>(apiName, now, elapsed, hintStr, flag, num, maxAllowedLatency);
}
}
return(num);
}