private void HandleErrorInSubscriptionHandler(
BasicDeliverEventArgs basicDeliverEventArgs,
SubscriptionInfo subscriptionInfo,
Exception exception)
{
logger.ErrorWrite(BuildErrorMessage(basicDeliverEventArgs, exception));
consumerErrorStrategy.HandleConsumerError(basicDeliverEventArgs, exception);
DoAck(basicDeliverEventArgs, subscriptionInfo);
}
private void DoAck(BasicDeliverEventArgs basicDeliverEventArgs, SubscriptionInfo subscriptionInfo)
{
const string failedToAckMessage = "Basic ack failed because chanel was closed with message {0}." +
" Message remains on RabbitMQ and will be retried.";
try
{
subscriptionInfo.Consumer.Model.BasicAck(basicDeliverEventArgs.DeliveryTag, false);
}
catch (AlreadyClosedException alreadyClosedException)
{
logger.InfoWrite(failedToAckMessage, alreadyClosedException.Message);
}
catch (IOException ioException)
{
logger.InfoWrite(failedToAckMessage, ioException.Message);
}
}
private void DoAck(BasicDeliverEventArgs basicDeliverEventArgs, SubscriptionInfo subscriptionInfo, Action<IModel, ulong> ackStrategy)
{
const string failedToAckMessage = "Basic ack failed because channel was closed with message {0}." +
" Message remains on RabbitMQ and will be retried.";
try
{
ackStrategy(subscriptionInfo.Consumer.Model, basicDeliverEventArgs.DeliveryTag);
if (subscriptionInfo.ModelIsSingleUse)
{
subscriptionInfo.Consumer.CloseModel();
subscriptionInfo.SubscriptionAction.ClearAction();
}
}
catch (AlreadyClosedException alreadyClosedException)
{
logger.InfoWrite(failedToAckMessage, alreadyClosedException.Message);
}
catch (IOException ioException)
{
logger.InfoWrite(failedToAckMessage, ioException.Message);
}
finally
{
if (SynchronisationAction != null)
{
SynchronisationAction();
}
}
}