private void MessageReceived(BasicDeliverEventArgs basicDeliverEventArgs, IModel channel)
{
var tag = basicDeliverEventArgs.DeliveryTag;
var ma = new MessageAcceptor(channel, tag);
try
{
var model = _messageDeserializer.Deserialize(basicDeliverEventArgs.Body);
try
{
_middlewareQueue.RunMiddlewaresAsync(
basicDeliverEventArgs,
model,
ma,
_cancellationTokenSource.Token)
.GetAwaiter().GetResult();
}
catch (OperationCanceledException)
{
}
}
catch (Exception ex)
{
_logger.LogError(ex, _settings.GetSubscriberName());
ma.Reject();
}
}
private void ExecuteStrategy(TTopicModel model, MessageAcceptor ma)
{
_errorHandlingStrategy.Execute(
_cancallableEventHandler != null
? () => _cancallableEventHandler(model, _cancellationTokenSource.Token).GetAwaiter().GetResult()
: (Action)(() => _eventHandler(model).GetAwaiter().GetResult()),
ma,
_cancellationTokenSource.Token);
}
private void MessageReceived(BasicDeliverEventArgs basicDeliverEventArgs, IModel channel)
{
var tag = basicDeliverEventArgs.DeliveryTag;
var ma = new MessageAcceptor(channel, tag);
try
{
var body = basicDeliverEventArgs.Body;
if (_enableMessageDeduplication)
{
var deduplicationHeaderBytes = string.IsNullOrEmpty(_deduplicatorHeader) ||
!basicDeliverEventArgs.BasicProperties.Headers.ContainsKey(_deduplicatorHeader)
? Array.Empty <byte>()
: Encoding.UTF8.GetBytes(basicDeliverEventArgs.BasicProperties.Headers[_deduplicatorHeader].ToJson());
var isDuplicated = deduplicationHeaderBytes.Length == 0
? !_deduplicator.EnsureNotDuplicateAsync(body).GetAwaiter().GetResult()
: !_deduplicator.EnsureNotDuplicateAsync(deduplicationHeaderBytes).GetAwaiter().GetResult();
if (isDuplicated)
{
ma.Accept();
return;
}
}
var model = _messageDeserializer.Deserialize(body);
if (_submitTelemetry)
{
var telemetryOperation = InitTelemetryOperation(body.Length);
try
{
ExecuteStrategy(model, ma);
}
catch (Exception e)
{
telemetryOperation.Telemetry.Success = false;
_telemetry.TrackException(e);
if (!(e is OperationCanceledException))
{
throw;
}
}
finally
{
_telemetry.StopOperation(telemetryOperation);
}
}
else
{
try
{
ExecuteStrategy(model, ma);
}
catch (OperationCanceledException)
{
}
}
}
catch (Exception ex)
{
_log.WriteError(nameof(MessageReceived), _settings.GetSubscriberName(), ex);
ma.Reject();
}
}
