public void OnNext(MessageEnvelope newMsg)
{
var incomingMsgProperties = newMsg.Properties;
var replyQueue = incomingMsgProperties.ReplyTo;
var correlationId = incomingMsgProperties.CorrelationId;
IBasicProperties replyProperties = null;
byte[] replyData = new byte[0];
var msgAcker = CreateAcker(newMsg);
try
{
var response = _onRespond(newMsg, msgAcker);
response = response ?? new MessageEnvelope(new BasicProperties(), new byte[0]);
replyData = response.Body;
replyProperties = response.Properties ?? new BasicProperties();
}
catch (Exception e)
{
replyProperties = replyProperties ?? new BasicProperties();
if (LogAdapter.LogEnabled)
{
LogAdapter.LogError("Rpc", "OnNext error", e);
}
// Empty data
if (_shouldSerializeExceptions)
{
replyData = _serializer.Serialize(new ErrorResponse()
{
Exception = e
}, replyProperties);
}
ErrorResponse.FlagHeaders(replyProperties);
}
// which call is which
replyProperties.CorrelationId = correlationId;
// Rabbit client will explode if this is not true
(replyProperties is RabbitMQ.Client.Impl.BasicProperties)
.AssertIsTrue("expected BasicProperties implementation of IBasicProperties");
lock (_model)
{
_model.BasicPublish("", replyQueue, replyProperties, replyData);
}
}
private void OnProc()
{
try
{
while (!_closed)
{
var args = base.Queue.Dequeue();
if (args == null)
{
continue;
}
if (_consumers.Count == 0)
{
// throwing out messages due to lack of consumers
if (LogAdapter.LogEnabled)
{
LogAdapter.LogDebug(this.GetType().FullName,
"SharedQueueConsumer dropping message due to lack of consumers subscribed");
}
continue;
}
PublishToConsumers(args);
}
}
catch (Exception e)
{
if (LogAdapter.LogEnabled)
{
LogAdapter.LogError(this.GetType().FullName, "SharedQueueConsumer error ", e);
}
}
}
