private async Task OnMessage(BrokeredMessage message)
{
if (_workerAction == null)
{
return;
}
Interlocked.Increment(ref _dequeuedCount);
var data = message.GetBody <T>();
var workItem = new QueueEntry <T>(message.LockToken.ToString(), data, this);
try {
await _workerAction(workItem);
if (_workerAutoComplete)
{
workItem.Complete();
}
} catch (Exception ex) {
Interlocked.Increment(ref _workerErrorCount);
Log.Error().Exception(ex).Message("Error sending work item to worker: {0}", ex.Message).Write();
workItem.Abandon();
}
}
private Task WorkerLoop(CancellationToken token)
{
Log.Trace().Message("WorkerLoop Start {0}", _queueName).Write();
while (!token.IsCancellationRequested && _workerAction != null)
{
Log.Trace().Message("WorkerLoop Pass {0}", _queueName).Write();
QueueEntry <T> queueEntry = null;
try {
queueEntry = Dequeue();
} catch (TimeoutException) { }
if (token.IsCancellationRequested || queueEntry == null)
{
continue;
}
try {
_workerAction(queueEntry);
if (_workerAutoComplete)
{
queueEntry.Complete();
}
} catch (Exception ex) {
Log.Error().Exception(ex).Message("Worker error: {0}", ex.Message).Write();
queueEntry.Abandon();
Interlocked.Increment(ref _workerErrorCount);
}
}
Log.Trace().Message("Worker exiting: {0} Cancel Requested: {1}", _queueName, token.IsCancellationRequested).Write();
return(TaskHelper.Completed());
}
private Task WorkerLoop(CancellationToken token)
{
Log.Trace().Message("WorkerLoop Start {0}", typeof(T).Name).Write();
while (!token.IsCancellationRequested)
{
if (_queue.Count == 0 || _workerAction == null)
{
_autoEvent.WaitOne(TimeSpan.FromMilliseconds(250));
}
Log.Trace().Message("WorkerLoop Signaled {0}", typeof(T).Name).Write();
QueueEntry <T> queueEntry = null;
try {
queueEntry = Dequeue(TimeSpan.Zero);
} catch (TimeoutException) { }
if (queueEntry == null || _workerAction == null)
{
return(TaskHelper.Completed());
}
try {
_workerAction(queueEntry);
if (_workerAutoComplete)
{
queueEntry.Complete();
}
} catch (Exception ex) {
Log.Error().Exception(ex).Message("Worker error: {0}", ex.Message).Write();
queueEntry.Abandon();
Interlocked.Increment(ref _workerErrorCount);
}
}
return(TaskHelper.Completed());
}
