public override void Run()
{
WorkerTrace.TraceEvent(TraceEventType.Information, 0, "Running");
WorkerTrace.TraceEvent(TraceEventType.Information, 1, string.Format("Worker assembly: {0}", Assembly.GetExecutingAssembly().FullName));
WorkerTrace.TraceEvent(TraceEventType.Start, 2, "Initializing FetchWorker...");
try
{
Initialize();
}
catch (Exception exc)
{
WorkerTrace.TraceEvent(TraceEventType.Critical, 2, string.Format("FetchWorker initialization failed: {0}", exc.ToString()));
throw;
}
WorkerTrace.TraceEvent(TraceEventType.Stop, 2, "FetchWorker initialization complete");
int heavyJobsPermitedCount = int.Parse(RoleEnvironment.GetConfigurationSettingValue("HeavyJobsPermitedCount"));
int lightJobExecutionPermitedTimeSec = int.Parse(RoleEnvironment.GetConfigurationSettingValue("LightJobExecutionTimeLimitSec"));
TimeSpan daysBeforeJobDeletion;
{
double days = 0;
if (!double.TryParse(RoleEnvironment.GetConfigurationSettingValue("DaysBeforeJobDeletion"), out days))
{
days = 60;
WorkerTrace.TraceEvent(TraceEventType.Warning, 3, string.Format("{0}: Bad \"DaysBeforeJobDeletion\" setting! Default value (60) is used.", JobManager.CleanUpJobHash));
}
daysBeforeJobDeletion = TimeSpan.FromDays(days);
}
while (true)
{
//Scheduling cleanup
if (instanceIndex == 0)
{
var utcnow = DateTime.UtcNow;
if (utcnow - lastCleanUpTime >= cleanupTimeSpan)
{
manager.SubmitCleanUp();
lastCleanUpTime = utcnow;
WorkerTrace.TraceEvent(TraceEventType.Information, 4, "Clean up job submited");
}
}
current = manager.PeekLockJob(stopRequested, int.Parse(RoleEnvironment.GetConfigurationSettingValue("JobQueuePollingMilisec")), heavyJobsPermitedCount,
(job, context) =>
{
if (job.Hash.Trim() == JobManager.CleanUpJobHash)
{
return(new CleanUpJob(job, context, manager, daysBeforeJobDeletion, new JobSettings()
{
PermitedHeavyPartWorkers = heavyJobsPermitedCount, LightJobExecutionPermitedTimeSec = lightJobExecutionPermitedTimeSec, TouchPeriodInSeconds = touchPeriodInSeconds
}));
}
else
{
return(new ComputationJob(job, context, configProvider, new JobSettings()
{
PermitedHeavyPartWorkers = heavyJobsPermitedCount, LightJobExecutionPermitedTimeSec = lightJobExecutionPermitedTimeSec, TouchPeriodInSeconds = touchPeriodInSeconds
}, manager.ResultDataSetUri(job.Hash, true)));
}
});
if (current == null)
{
break;
}
try
{
WorkerTrace.TraceEvent(TraceEventType.Start, 5, string.Format("{0}: start processing", current.ToShortString()));
current.Perform();
}
catch (Exception exc)
{
WorkerTrace.TraceEvent(TraceEventType.Error, 14, string.Format("{0}: error processing: {1}", current.ToShortString(), exc.ToString()));
current.Complete(false);
Exception toCheckForOutOfMemory = exc;
do
{
if (toCheckForOutOfMemory.GetType() == typeof(OutOfMemoryException))
{
WorkerTrace.TraceEvent(TraceEventType.Critical, 15, string.Format("{0}:Requesting role instance recycling due to OutOfMemory exception during calculation", current.ToShortString()));
if (current != null)
{
current.Abandon();
}
Thread.Sleep(25);
RoleEnvironment.RequestRecycle();
}
toCheckForOutOfMemory = toCheckForOutOfMemory.InnerException;
} while (toCheckForOutOfMemory != null);
}
finally
{
if (current != null)
{
current.Dispose(); //dispose stops TouchThread
}
current = null;
}
}
}