private void ProcessCrashed(object sender, ActivityHostCrashedEventArgs e)
{
// the process crashed, we need to not use it anymore
ActivityHostProcess process = sender as ActivityHostProcess;
Debug.Assert(process != null, "ActivityHostProcess did not raise event correctly");
Debug.Assert(process.Busy, "When ProcessCrashed is raised busy should not be reset");
process.MarkForRemoval = true;
if (e.FailureOnSetup)
{
// the request needs to be processed again
_failedRequests.Enqueue(e.Invoker);
PerfCountersMgr.UpdateCounterByValue(
PSWorkflowPerformanceCounterSetInfo.CounterSetId,
PSWorkflowPerformanceCounterIds.ActivityHostMgrFailedRequestsPerSec);
PerfCountersMgr.UpdateCounterByValue(
PSWorkflowPerformanceCounterSetInfo.CounterSetId,
PSWorkflowPerformanceCounterIds.ActivityHostMgrFailedRequestsQueueLength);
}
// Below call is added to fix the race condition:
// When OOP host process is crashed, ProcessCrashed() method sets the process as MarkForRemoval, context switch happened at this time
// and another process has finished and started the servicing thread, which checks the above process as MarkForRemoval and disposes it.
// ProcessFinished event handler is unregistered from the process and ActivityHostProcess.HandleTransportError will not be able to raise
// process finished event, resulting inconsistent _busyHost count.
//
DecrementHostCountAndStartThreads();
}
private void HandleTransportError(PSRemotingTransportException transportException, bool onSetup)
{
this._tracer.TraceException(transportException);
if (this.ProcessCrashed != null)
{
ActivityHostCrashedEventArgs activityHostCrashedEventArg = new ActivityHostCrashedEventArgs();
activityHostCrashedEventArg.FailureOnSetup = onSetup;
activityHostCrashedEventArg.Invoker = this._currentInvoker;
ActivityHostCrashedEventArgs activityHostCrashedEventArg1 = activityHostCrashedEventArg;
this.ProcessCrashed(this, activityHostCrashedEventArg1);
}
}
private void ProcessCrashed(object sender, ActivityHostCrashedEventArgs e)
{
ActivityHostProcess activityHostProcess = sender as ActivityHostProcess;
activityHostProcess.MarkForRemoval = true;
if (e.FailureOnSetup)
{
this._failedRequests.Enqueue(e.Invoker);
PSOutOfProcessActivityController.PerfCountersMgr.UpdateCounterByValue(PSWorkflowPerformanceCounterSetInfo.CounterSetId, 17, (long)1, true);
PSOutOfProcessActivityController.PerfCountersMgr.UpdateCounterByValue(PSWorkflowPerformanceCounterSetInfo.CounterSetId, 18, (long)1, true);
}
this.DecrementHostCountAndStartThreads();
}
/// <summary>
/// Handles a transport error since it is most likely that
/// the process crash
/// </summary>
/// <param name="transportException">the transport exception
/// that was raised</param>
/// <param name="onSetup">true indicates that the crash was
/// encountered when setting up the process and not when the
/// command was run</param>
private void HandleTransportError(PSRemotingTransportException transportException, bool onSetup)
{
_tracer.TraceException(transportException);
if (ProcessCrashed != null)
{
ActivityHostCrashedEventArgs eventArgs = new ActivityHostCrashedEventArgs
{
FailureOnSetup = onSetup,
Invoker = _currentInvoker
};
ProcessCrashed(this, eventArgs);
}
}
private void ProcessCrashed(object sender, ActivityHostCrashedEventArgs e)
{
// the process crashed, we need to not use it anymore
ActivityHostProcess process = sender as ActivityHostProcess;
Debug.Assert(process != null, "ActivityHostProcess did not raise event correctly");
Debug.Assert(process.Busy, "When ProcessCrashed is raised busy should not be reset");
process.MarkForRemoval = true;
if (e.FailureOnSetup)
{
// the request needs to be processed again
_failedRequests.Enqueue(e.Invoker);
PerfCountersMgr.UpdateCounterByValue(
PSWorkflowPerformanceCounterSetInfo.CounterSetId,
PSWorkflowPerformanceCounterIds.ActivityHostMgrFailedRequestsPerSec);
PerfCountersMgr.UpdateCounterByValue(
PSWorkflowPerformanceCounterSetInfo.CounterSetId,
PSWorkflowPerformanceCounterIds.ActivityHostMgrFailedRequestsQueueLength);
}
// Below call is added to fix the race condition:
// When OOP host process is crashed, ProcessCrashed() method sets the process as MarkForRemoval, context switch happened at this time
// and another process has finished and started the servicing thread, which checks the above process as MarkForRemoval and disposes it.
// ProcessFinished event handler is unregistered from the process and ActivityHostProcess.HandleTransportError will not be able to raise
// process finished event, resulting inconsistent _busyHost count.
//
DecrementHostCountAndStartThreads();
}
/// <summary>
/// Handles a transport error since it is most likely that
/// the process crash
/// </summary>
/// <param name="transportException">the transport exception
/// that was raised</param>
/// <param name="onSetup">true indicates that the crash was
/// encountered when setting up the process and not when the
/// command was run</param>
private void HandleTransportError(PSRemotingTransportException transportException, bool onSetup)
{
_tracer.TraceException(transportException);
if (ProcessCrashed != null)
{
ActivityHostCrashedEventArgs eventArgs = new ActivityHostCrashedEventArgs
{FailureOnSetup = onSetup,
Invoker = _currentInvoker};
ProcessCrashed(this, eventArgs);
}
}
private void ProcessCrashed(object sender, ActivityHostCrashedEventArgs e)
{
ActivityHostProcess activityHostProcess = sender as ActivityHostProcess;
activityHostProcess.MarkForRemoval = true;
if (e.FailureOnSetup)
{
this._failedRequests.Enqueue(e.Invoker);
PSOutOfProcessActivityController.PerfCountersMgr.UpdateCounterByValue(PSWorkflowPerformanceCounterSetInfo.CounterSetId, 17, (long)1, true);
PSOutOfProcessActivityController.PerfCountersMgr.UpdateCounterByValue(PSWorkflowPerformanceCounterSetInfo.CounterSetId, 18, (long)1, true);
}
this.DecrementHostCountAndStartThreads();
}
private void HandleTransportError(PSRemotingTransportException transportException, bool onSetup)
{
this._tracer.TraceException(transportException);
if (this.ProcessCrashed != null)
{
ActivityHostCrashedEventArgs activityHostCrashedEventArg = new ActivityHostCrashedEventArgs();
activityHostCrashedEventArg.FailureOnSetup = onSetup;
activityHostCrashedEventArg.Invoker = this._currentInvoker;
ActivityHostCrashedEventArgs activityHostCrashedEventArg1 = activityHostCrashedEventArg;
this.ProcessCrashed(this, activityHostCrashedEventArg1);
}
}