public Task <string> BasicConsume(ConsumeMode mode, Func <MessageDelivery, Task> consumer,
string queue, string consumerTag, bool withoutAcks, bool exclusive,
IDictionary <string, object> arguments, bool waitConfirmation)
{
if (consumer == null)
{
throw new ArgumentNullException("consumer");
}
if (!waitConfirmation && string.IsNullOrEmpty(consumerTag))
{
throw new ArgumentException("You must specify a consumer tag if waitConfirmation = false");
}
if (!string.IsNullOrEmpty(consumerTag))
{
_consumerSubscriptions[consumerTag] = new BasicConsumerSubscriptionInfo
{
Mode = mode,
Callback = consumer
};
}
return(_io.__BasicConsume(mode, queue, consumerTag, withoutAcks, exclusive, arguments, waitConfirmation,
consumerTag2 =>
{
_consumerSubscriptions[consumerTag2] = new BasicConsumerSubscriptionInfo
{
Mode = mode,
Callback = consumer
};
}));
}
private void RegisterConsumer(string consumerTag, BasicConsumerSubscriptionInfo info)
{
var added = _consumerSubscriptions.TryAdd(consumerTag, info);
if (!added)
{
throw new Exception("Consumer already exists for tag " + consumerTag);
}
}
private void SerializedDelivery(BasicConsumerSubscriptionInfo consumer)
{
while (!consumer._cancelThread && !this.IsClosed)
{
consumer._messageAvailableEv.WaitOne();
MessageDelivery delivery;
while (consumer._receivedMessages.TryDequeue(out delivery))
{
try
{
if (consumer.Callback != null)
{
consumer.Callback(delivery).ConfigureAwait(false).GetAwaiter().GetResult();
continue;
}
consumer._consumer.Consume(delivery).ConfigureAwait(false).GetAwaiter().GetResult();
}
catch (Exception ex)
{
if (LogAdapter.IsErrorEnabled)
{
LogAdapter.LogError(LogSource, "Consumer error. Tag " + consumer.ConsumerTag, ex);
}
}
finally
{
if (!delivery.TakenOver)
{
delivery.Dispose();
}
}
}
}
if (LogAdapter.ExtendedLogEnabled)
{
LogAdapter.LogDebug(LogSource, "Consumer exiting. Tag " + consumer.ConsumerTag);
}
}
private void SerializedDelivery(BasicConsumerSubscriptionInfo consumer)
{
while (!consumer._cancelThread && !this.IsClosed)
{
consumer._messageAvailableEv.WaitOne();
MessageDelivery delivery;
while (consumer._receivedMessages.TryDequeue(out delivery))
{
try
{
if (consumer.Callback != null)
{
consumer.Callback(delivery).Wait();
continue;
}
consumer._consumer.Consume(delivery).Wait();
}
catch (Exception ex)
{
LogAdapter.LogError("Channel", "Consumer error. Tag " + consumer.ConsumerTag, ex);
}
finally
{
this.Return(delivery.properties);
if (delivery.bodySize != 0)
{
delivery.stream.Dispose();
}
}
}
}
if (LogAdapter.ExtendedLogEnabled)
{
LogAdapter.LogDebug("Channel", "Consumer exiting. Tag " + consumer.ConsumerTag);
}
}
