/// <summary>
/// Cleanup when WorkerRole is stopped
/// </summary>
public override void OnStop()
{
try
{
Log.Info(new CallerInfo(), LogContext.FrontEnd, "WorkerRole is stopping");
this.cancellationTokenSource.Cancel();
this.runCompleteEvent.WaitOne();
base.OnStop();
Log.Info(new CallerInfo(), LogContext.FrontEnd, "WorkerRole has stopped");
}
catch (Exception e)
{
Log.Error(new CallerInfo(), LogContext.FrontEnd, "Exception on shutdown: {0}", e.ToString());
throw;
}
finally
{
AppDomain.CurrentDomain.UnhandledException -= this.OnAppDomainUnhandledException;
TaskScheduler.UnobservedTaskException -= this.OnUnobservedTaskException;
Log.Flush();
}
}
/// <summary>
/// Log any unhandled exceptions that are raised in the service
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OnAppDomainUnhandledException(object sender, UnhandledExceptionEventArgs e)
{
Log.Error(new CallerInfo(), FrontEnd.Logging.LogContext.FrontEnd, "Unhandled exception: " + e.ExceptionObject.ToString());
Log.Flush(); // process may or may not be terminating so flush log just in case.
}