private void ProcessMessage(object sender, BasicDeliverEventArgs args)
{
if (!(sender is EventingBasicConsumer consumer))
{
return;
}
if (!ConsumerTags.TryGetValue(args.ConsumerTag, out string exchange))
{
UnsubscribeConsumer(consumer, args.ConsumerTag);
return;
}
JsonDataTransferMessage dataTransferMessage = null;
try
{
byte[] body = args.Body.ToArray();
string messageBody = Encoding.UTF8.GetString(body);
dataTransferMessage = JsonSerializer.Deserialize <JsonDataTransferMessage>(messageBody);
}
catch (Exception error)
{
FileLogger.Log(LOG_TOKEN, ExceptionHelper.GetErrorText(error));
}
if (dataTransferMessage == null)
{
RemovePoisonMessage(exchange, consumer, args.DeliveryTag);
return;
}
bool success = true;
IDatabaseMessageProducer producer = Services.GetService <IDatabaseMessageProducer>();
try
{
DatabaseMessage message = producer.ProduceMessage(dataTransferMessage);
success = producer.InsertMessage(message);
if (success)
{
consumer.Model.BasicAck(args.DeliveryTag, false);
}
}
catch (Exception error)
{
success = false;
FileLogger.Log(LOG_TOKEN, ExceptionHelper.GetErrorText(error));
}
if (!success)
{
ResetConsumer(args.ConsumerTag); // return unacked messages back to queue in the same order (!)
FileLogger.Log(LOG_TOKEN, "Failed to process message. Consumer for exchange \"" + exchange + "\" has been reset.");
}
}
private void ProcessMessage(object sender, BasicDeliverEventArgs args)
{
if (!(sender is EventingBasicConsumer consumer))
{
return;
}
if (!ConsumerTags.TryGetValue(args.ConsumerTag, out string exchange))
{
//TODO: review commented code
//UnsubscribeConsumer(consumer, args.ConsumerTag);
//return;
if (!string.IsNullOrWhiteSpace(args.Exchange))
{
exchange = args.Exchange;
}
else if (!string.IsNullOrWhiteSpace(args.RoutingKey))
{
exchange = args.RoutingKey;
}
else
{
exchange = "unknown";
}
}
JsonDataTransferMessage dataTransferMessage = GetJsonDataTransferMessage(args);
if (dataTransferMessage == null)
{
RemovePoisonMessage(exchange, consumer, args.DeliveryTag);
return;
}
bool success = true;
IDatabaseMessageProducer producer = Services.GetService <IDatabaseMessageProducer>();
try
{
DatabaseMessage message = producer.ProduceMessage(dataTransferMessage);
success = producer.InsertMessage(message);
if (success)
{
consumer.Model.BasicAck(args.DeliveryTag, false);
}
}
catch (Exception error)
{
success = false;
FileLogger.Log(LOG_TOKEN, ExceptionHelper.GetErrorText(error));
}
if (!success)
{
// return unacked messages back to queue in the same order (!)
ResetConsumer(args.ConsumerTag);
FileLogger.Log(LOG_TOKEN,
"Failed to process message. Consumer (tag = " + args.ConsumerTag.ToString()
+ ") for exchange \"" + exchange + "\" has been reset.");
}
}
