public void OnResolvePrincipal(ResolvePrincipalEventArgs e)
{
EventHandler<ResolvePrincipalEventArgs> handler = ResolvePrincipal;
if (handler != null) handler(this, e);
}
private void CallbackWithMessage(QueueActivityConsumer sender, QueueActivityConsumer.DeliverEventArgs args)
{
if (this.QueueConsumers.ContainsKey(args.Queue) &&
!this.QueueConsumers[args.Queue].ConsumeToken.IsClosed)
{
var registeredConsumer = this.QueueConsumers[args.Queue].RegisteredConsumer;
var envelope = Serializer.DeserializeMessage(args);
// Fire MessageReceived event
Config.PipelineEvents.OnMessageReceived(new PipelineEventArgs(envelope));
try
{
if (!string.IsNullOrEmpty(envelope.UserName))
{
var resolvePrincipalArgs = new ResolvePrincipalEventArgs(envelope);
// Fire ResolvePrincipal event
Config.PipelineEvents.OnResolvePrincipal(resolvePrincipalArgs);
if (resolvePrincipalArgs.Principal != null)
{
Thread.CurrentPrincipal = resolvePrincipalArgs.Principal;
}
}
var acceptance = registeredConsumer.Accept(envelope.Message);
if (acceptance == Acceptance.Accept)
{
Log.DebugFormat("{0} accepted message {1}.",
registeredConsumer.ConsumerType.Name, registeredConsumer.MessageType.Name);
registeredConsumer.Invoke(envelope.Message);
sender.Model.BasicAck(args.DeliveryTag, false);
// Fire MessageConsumed event
Config.PipelineEvents.OnMessageConsumed(new PipelineEventArgs(envelope));
}
else if (acceptance == Acceptance.Requeue)
{
Log.DebugFormat("{0} is re-queueing message {1}.",
registeredConsumer.ConsumerType.Name, registeredConsumer.MessageType.Name);
sender.Model.BasicNack(args.DeliveryTag, false, true);
}
else if (acceptance == Acceptance.DelayedRequeue)
{
Log.DebugFormat("{0} is re-queueing message {1} with delay.",
registeredConsumer.ConsumerType.Name, registeredConsumer.MessageType.Name);
this._requeueQueue.Enqueue(
new KeyValuePair<QueueActivityConsumer, QueueActivityConsumer.DeliverEventArgs>(sender, args));
lock (this._requeueLockObject)
{
Monitor.Pulse(this._requeueLockObject);
}
}
else
{
Log.WarnFormat("{0} rejected message {1}.",
registeredConsumer.ConsumerType.Name, registeredConsumer.MessageType.Name);
sender.Model.BasicNack(args.DeliveryTag, false, false);
}
}
catch (Exception ex)
{
this._requeueQueue.Enqueue(
new KeyValuePair<QueueActivityConsumer, QueueActivityConsumer.DeliverEventArgs>(sender, args));
lock (this._requeueLockObject)
{
Monitor.Pulse(this._requeueLockObject);
}
Log.Error(
string.Format("An exception was thrown while invoking the consumer."), ex);
}
}
}
