public override Task RunAsync(CancellationToken cancellationToken)
{
return(Task.Factory.StartNew(async() =>
{
Exception globalEx = null;
try
{
while (!cancellationToken.IsCancellationRequested)
{
IQueueMessage message = null;
bool executionSucceeded = false;
try
{
do
{
message = await _queueReader.GetMessageAsync();
if (message == null)
{
break;
}
var context = new QueueTriggeringContext(message.InsertionTime);
var p = new List <object>()
{
message.Value(_parameterType)
};
if (_hasSecondParameter)
{
p.Add(_useTriggeringContext ? context : (object)message.InsertionTime);
}
await Invoke(_serviceProvider, _method, p.ToArray());
await ProcessCompletedMessage(message, context);
executionSucceeded = true;
} while (!cancellationToken.IsCancellationRequested);
}
catch (Exception ex)
{
await LogError("QueueTriggerBinding", "RunAsync", ex);
await ProcessFailedMessage(message);
executionSucceeded = false;
}
finally
{
await Task.Delay(_delayStrategy.GetNextDelay(executionSucceeded), cancellationToken);
}
}
}
catch (Exception ex)
{
globalEx = ex;
}
finally
{
var msg =
$"Process ended. Exception={globalEx?.Message + globalEx?.StackTrace}. Token.IsCancellationRequested={cancellationToken.IsCancellationRequested}";
await _log.WriteInfoAsync("QueueTriggerBinding", "RunAsync", _queueName, msg);
}
}, cancellationToken, TaskCreationOptions.LongRunning | TaskCreationOptions.DenyChildAttach, TaskScheduler.Default).Unwrap());
}
