public GetEnvelopeResult TryGetMessage()
{
CloudQueueMessage message;
try
{
message = this._queue.GetMessage(this._visibilityTimeout);
}
catch (ThreadAbortException)
{
// we are stopping
return(GetEnvelopeResult.Empty);
}
catch (Exception ex)
{
SystemObserver.Notify(new FailedToReadMessage(ex, this._queueName));
return(GetEnvelopeResult.Error());
}
if (null == message)
{
return(GetEnvelopeResult.Empty);
}
try
{
var unpacked = this.DownloadPackage(message);
return(GetEnvelopeResult.Success(unpacked));
}
catch (StorageException ex)
{
SystemObserver.Notify(new FailedToAccessStorage(ex, this._queue.Name, message.Id));
return(GetEnvelopeResult.Retry);
}
catch (Exception ex)
{
SystemObserver.Notify(new MessageInboxFailed(ex, this._queue.Name, message.Id));
// new poison details
this._posionQueue.Value.AddMessage(message);
this._queue.DeleteMessage(message);
return(GetEnvelopeResult.Retry);
}
}
public GetEnvelopeResult TryGetMessage()
{
FileInfo message;
try
{
message = _queue.EnumerateFiles().FirstOrDefault();
}
catch (Exception ex)
{
_observer.Notify(new FailedToReadMessage(ex, _queueName));
return(GetEnvelopeResult.Error());
}
if (null == message)
{
return(GetEnvelopeResult.Empty);
}
try
{
var unpacked = DownloadPackage(message);
return(GetEnvelopeResult.Success(unpacked));
}
catch (IOException ex)
{
// this is probably sharing violation, no need to
// scare people.
if (!IsSharingViolation(ex))
{
_observer.Notify(new FailedToAccessStorage(ex, _queue.Name, message.Name));
}
return(GetEnvelopeResult.Retry);
}
catch (Exception ex)
{
_observer.Notify(new EnvelopeDeserializationFailed(ex, _queue.Name, message.Name));
// new poison details
var poisonFile = Path.Combine(_posionQueue.Value.FullName, message.Name);
message.MoveTo(poisonFile);
return(GetEnvelopeResult.Retry);
}
}
public GetEnvelopeResult TryGetMessage()
{
CloudQueueMessage message;
try
{
message = _queue.GetMessage(_visibilityTimeout);
}
catch (Exception ex)
{
_observer.Notify(new FailedToReadMessage(ex, _queueName));
return(GetEnvelopeResult.Error());
}
if (null == message)
{
return(GetEnvelopeResult.Empty);
}
try
{
var unpacked = DownloadPackage(message);
return(GetEnvelopeResult.Success(unpacked));
}
catch (StorageClientException ex)
{
_observer.Notify(new FailedToAccessStorage(ex, _queue.Name, message.Id));
return(GetEnvelopeResult.Retry);
}
catch (Exception ex)
{
_observer.Notify(new EnvelopeDeserializationFailed(ex, _queue.Name, message.Id));
// new poison details
_posionQueue.Value.AddMessage(message);
_queue.DeleteMessage(message);
return(GetEnvelopeResult.Retry);
}
}
