private void AckReleased(IMessageDelivery delivery)
{
Message.Message nmsMessage = delivery.Message;
Tracer.DebugFormat("Consumer {0} Acking Released for Message {1} ", ConsumerId, nmsMessage.NMSMessageId);
Amqp.Message amqpMessage = (nmsMessage.GetMessageCloak() as Message.AMQP.AMQPMessageCloak).AMQPMessage;
this.Link.Release(amqpMessage);
}
protected override IMessageDelivery RemoveFirst()
{
IMessageDelivery first = list.First.Value;
list.RemoveFirst();
return(first);
}
private void AckRejected(IMessageDelivery delivery, NMSException ex)
{
Error err = new Error(NMSErrorCode.INTERNAL_ERROR);
err.Description = ex.Message;
AckRejected(delivery, err);
}
protected bool TryDequeue(out IMessageDelivery value, int timeout = -1)
{
value = null;
lock (SyncRoot)
{
bool signaled = true;
while (IsEmpty)
{
if (IsClosed || mode.Value.Equals(Resource.Mode.Stopping))
{
return(false);
}
signaled = (timeout > -1) ? Monitor.Wait(SyncRoot, timeout) : Monitor.Wait(SyncRoot);
if (!signaled && timeout > -1)
{
return(false);
}
}
if (!signaled)
{
return(false);
}
value = RemoveFirst();
}
return(value != null);
}
public override void EnqueueFirst(IMessageDelivery message)
{
lock (SyncRoot)
{
list.AddFirst(message);
Monitor.PulseAll(SyncRoot);
}
}
public EmailEventHandler(IMessageFormatter messageFormatter, IMessageDelivery messageDelivery)
{
if (messageFormatter == null) throw new ArgumentNullException("messageFormatter");
if (messageDelivery == null) throw new ArgumentNullException("messageDelivery");
this.messageFormatter = messageFormatter;
this.messageDelivery = messageDelivery;
}
private void AckConsumed(IMessageDelivery delivery)
{
Message.Message nmsMessage = delivery.Message;
Tracer.DebugFormat("Consumer {0} Acking Accepted for Message {1} ", ConsumerId, nmsMessage.NMSMessageId);
delivered.Remove(delivery);
Amqp.Message amqpMessage = (nmsMessage.GetMessageCloak() as Message.AMQP.AMQPMessageCloak).AMQPMessage;
this.Link.Accept(amqpMessage);
}
public override void EnqueueFirst(IMessageDelivery message)
{
lock (SyncRoot)
{
priorityList[(int)MsgPriority.Highest].AddFirst(message);
count++;
Monitor.PulseAll(SyncRoot);
}
}
private void AckModified(IMessageDelivery delivery, bool deliveryFailed, bool undeliverableHere = false)
{
Message.Message nmsMessage = delivery.Message;
Tracer.DebugFormat("Consumer {0} Acking Modified for Message {1}{2}{3}.", ConsumerId, nmsMessage.NMSMessageId,
deliveryFailed ? " Delivery Failed" : "",
undeliverableHere ? " Undeliveryable Here" : "");
Amqp.Message amqpMessage = (nmsMessage.GetMessageCloak() as Message.AMQP.AMQPMessageCloak).AMQPMessage;
//TODO use Link.Modified from amqpNetLite 2.0.0
this.Link.Modify(amqpMessage, deliveryFailed, undeliverableHere, null);
}
private bool IsMessageRedeliveryExceeded(IMessageDelivery delivery)
{
Message.Message message = delivery.Message;
IRedeliveryPolicy policy = this.Session.Connection.RedeliveryPolicy;
if (policy != null && policy.MaximumRedeliveries >= 0)
{
IMessageCloak msgCloak = message.GetMessageCloak();
return(msgCloak.RedeliveryCount > policy.MaximumRedeliveries);
}
return(false);
}
private void AckReceived(IMessageDelivery delivery)
{
IMessageCloak cloak = delivery.Message.GetMessageCloak();
if (cloak.AckHandler != null)
{
delivered.AddLast(delivery);
}
else
{
AckConsumed(delivery);
}
}
private bool IsMessageExpired(IMessageDelivery delivery)
{
Message.Message message = delivery.Message;
if (message.NMSTimeToLive != TimeSpan.Zero)
{
DateTime now = DateTime.UtcNow;
if (!IsBrowser && (message.NMSTimestamp + message.NMSTimeToLive) < now)
{
return(true);
}
}
return(false);
}
public EmailEventHandler(IMessageFormatter <TAccount> messageFormatter, IMessageDelivery messageDelivery)
{
if (messageFormatter == null)
{
throw new ArgumentNullException("messageFormatter");
}
if (messageDelivery == null)
{
throw new ArgumentNullException("messageDelivery");
}
this.messageFormatter = messageFormatter;
this.messageDelivery = messageDelivery;
}
protected void SendForDelivery(IMessageDelivery nmsDelivery)
{
this.messageQueue.Enqueue(nmsDelivery);
if (this.OnMessage != null && pendingMessageDeliveryTasks < ExecutorThreshold)
{
AddTaskRef();
DispatchEvent dispatchEvent = new MessageListenerDispatchEvent(this);
Session.Dispatcher.Enqueue(dispatchEvent);
}
else if (pendingMessageDeliveryTasks < 0)
{
Tracer.ErrorFormat("Consumer {0} has invalid pending tasks count on executor {1}.", Id, pendingMessageDeliveryTasks);
}
}
public override void Enqueue(IMessageDelivery message)
{
if (message.EnqueueFirst)
{
EnqueueFirst(message);
}
else
{
lock (SyncRoot)
{
LinkedList <IMessageDelivery> list = priorityList[GetPriorityIndex(message)];
list.AddLast(message);
count++;
Monitor.PulseAll(SyncRoot);
}
}
}
protected override IMessageDelivery RemoveFirst()
{
if (!IsClosed && count > 0)
{
for (int i = (int)MsgPriority.Highest; i >= 0; i--)
{
LinkedList <IMessageDelivery> list = priorityList[i];
if (list.Count != 0)
{
IMessageDelivery first = list.First.Value;
list.RemoveFirst();
count--;
return(first);
}
}
}
return(null);
}
internal void Recover()
{
Tracer.DebugFormat("Session recover for consumer: {0}", Id);
IMessageCloak cloak = null;
IMessageDelivery delivery = null;
lock (messageQueue.SyncRoot)
{
while ((delivery = delivered.Last?.Value) != null)
{
cloak = delivery.Message.GetMessageCloak();
cloak.DeliveryCount = cloak.DeliveryCount + 1;
(delivery as MessageDelivery).EnqueueFirst = true;
delivered.RemoveLast();
SendForDelivery(delivery);
}
delivered.Clear();
}
}
internal void AcknowledgeMessage(Message.Message message, Message.AckType ackType)
{
ThrowIfClosed();
IMessageDelivery nmsDelivery = null;
foreach (IMessageDelivery delivery in delivered)
{
if (delivery.Message.Equals(message))
{
nmsDelivery = delivery;
}
}
if (nmsDelivery == null)
{
nmsDelivery = new MessageDelivery(message);
}
switch (ackType)
{
case Message.AckType.ACCEPTED:
AckConsumed(nmsDelivery);
break;
case Message.AckType.MODIFIED_FAILED:
AckModified(nmsDelivery, true);
break;
case Message.AckType.MODIFIED_FAILED_UNDELIVERABLE:
AckModified(nmsDelivery, true, true);
break;
case Message.AckType.REJECTED:
AckRejected(nmsDelivery);
break;
case Message.AckType.RELEASED:
AckReleased(nmsDelivery);
break;
default:
throw new NMSException("Unkown message acknowledgement type " + ackType);
}
}
public void DispatchMessageListeners()
{
IMessageDelivery delivery = null;
Message.Message nmsProviderMessage = null;
if (consumer.IsClosed)
{
return;
}
consumer.EnterMessageListenerEvent();
// the consumer pending Message delivery task
while ((delivery = consumer.messageQueue.DequeueNoWait()) != null)
{
nmsProviderMessage = delivery.Message;
consumer.AddTaskRef();
consumer.messageDispatchCount++;
try
{
if (consumer.IsMessageExpired(delivery))
{
consumer.AckModified(delivery, true);
}
else if (consumer.IsMessageRedeliveryExceeded(delivery))
{
consumer.AckModified(delivery, true, true);
}
else
{
bool deliveryFailed = false;
bool isAutoOrDupsOk = consumer.Session.AcknowledgementMode.Equals(AcknowledgementMode.AutoAcknowledge) ||
consumer.Session.AcknowledgementMode.Equals(AcknowledgementMode.DupsOkAcknowledge);
if (isAutoOrDupsOk)
{
consumer.delivered.AddLast(delivery);
}
else
{
consumer.AckReceived(delivery);
}
Message.Message copy = nmsProviderMessage.Copy();
try
{
consumer.Session.ClearRecovered();
consumer.PrepareMessageForDelivery(copy);
if (Tracer.IsDebugEnabled)
{
Tracer.DebugFormat("Invoking Client Message Listener Callback for message {0}.", copy.NMSMessageId);
}
consumer.OnMessage(copy);
}
catch (SystemException se)
{
Tracer.WarnFormat("Caught Exception on MessageListener for Consumer {0}. Message {1}.", consumer.Id, se.Message);
deliveryFailed = true;
}
if (isAutoOrDupsOk && !consumer.Session.IsRecovered)
{
if (!deliveryFailed)
{
consumer.AckConsumed(delivery);
}
else
{
consumer.AckReleased(delivery);
}
}
}
}
catch (Exception e)
{
// unhandled failure
consumer.Session.OnException(e);
}
consumer.RemoveTaskRef();
}
consumer.LeaveMessageListenerEvent();
}
public NotificationService(IMessageDelivery messageDelivery, ApplicationInformation appInfo)
{
this.messageDelivery = messageDelivery;
this.appInfo = appInfo;
}
public NotificationService(IMessageDelivery messageDelivery, ApplicationInformation appInfo)
{
this.messageDelivery = messageDelivery;
this.appInfo = appInfo;
}
public UserEmailEventHandler(ILoggerFactory loggerFactory, IMessageFormatter <HierarchicalUserAccount> messageFormatter, IMessageDelivery messageDelivery)
: base(messageFormatter, messageDelivery)
{
_logger = loggerFactory.CreateLogger(this.GetType().ToString());
}
public EmailAccountEventsHandler(IMessageFormatter messageFormatter, IMessageDelivery messageDelivery)
: base(messageFormatter, messageDelivery)
{
}
public NotificationService(IMessageDelivery messageDelivery, ApplicationInformation appInfo)
{
this.smtpEventHandler = new EmailEventHandler(new EmailMessageFormatter(appInfo), messageDelivery);
this.appInfo = appInfo;
}
private void AckRejected(IMessageDelivery delivery, Error err = null)
{
Tracer.DebugFormat("Consumer {0} Acking Rejected for Message {1} with error {2} ", ConsumerId, delivery.Message.NMSMessageId, err?.ToString());
Amqp.Message amqpMessage = (delivery.Message.GetMessageCloak() as Message.AMQP.AMQPMessageCloak).AMQPMessage;
this.Link.Reject(amqpMessage, err);
}
public abstract void EnqueueFirst(IMessageDelivery message);
private MsgPriority GetPriority(IMessageDelivery message)
{
return(message.Priority);
}
public virtual IEnumerator GetEnumerator()
{
IMessageDelivery[] messages = new IMessageDelivery[Count];
this.CopyTo(messages, 0);
return(new MessageQueueEnumerator(messages));
}
protected virtual bool TryDequeue(out IMessageDelivery delivery, int timeout)
{
delivery = null;
DateTime deadline = DateTime.UtcNow + TimeSpan.FromMilliseconds(timeout);
Tracer.DebugFormat("Waiting for msg availability Deadline {0}", deadline);
try
{
while (true)
{
if (timeout == 0)
{
delivery = this.messageQueue.DequeueNoWait();
}
else
{
delivery = this.messageQueue.Dequeue(timeout);
}
if (delivery == null)
{
if (timeout == 0 || this.Link.IsClosed || this.messageQueue.IsClosed)
{
return(false);
}
else if (timeout > 0)
{
timeout = Math.Max((deadline - DateTime.UtcNow).Milliseconds, 0);
}
}
else if (IsMessageExpired(delivery))
{
DateTime now = DateTime.UtcNow;
Error err = new Error(NMSErrorCode.PROPERTY_ERROR);
err.Description = "Message Expired";
AckRejected(delivery, err);
if (timeout > 0)
{
timeout = Math.Max((deadline - now).Milliseconds, 0);
}
if (Tracer.IsDebugEnabled)
{
Tracer.DebugFormat("{0} Filtered expired (deadline {1} Now {2}) message: {3}", ConsumerId, deadline, now, delivery);
}
}
else if (IsMessageRedeliveryExceeded(delivery))
{
if (Tracer.IsDebugEnabled)
{
Tracer.DebugFormat("{0} Filtered Message with excessive Redelivery Count: {1}", ConsumerId, delivery);
}
AckModified(delivery, true, true);
if (timeout > 0)
{
timeout = Math.Max((deadline - DateTime.UtcNow).Milliseconds, 0);
}
}
else
{
break;
}
}
}
catch (Exception e)
{
throw ExceptionSupport.Wrap(e, "Failed to Received message on consumer {0}.", ConsumerId);
}
return(true);
}
public NotificationService(IMessageDelivery messageDelivery, ApplicationInformation appInfo)
{
this.smtpEventHandler = new EmailEventHandler(new EmailMessageFormatter(appInfo), messageDelivery);
this.appInfo = appInfo;
}
private int GetPriorityIndex(IMessageDelivery message)
{
return((int)GetPriority(message));
}
public EmailAccountEventsHandler(IMessageFormatter <T> messageFormatter, IMessageDelivery messageDelivery)
: base(messageFormatter, messageDelivery)
{
}
public DefaultEmailEventHandler(ILoggerFactory loggerFactory, IMessageFormatter <HierarchicalUserAccount> messageFormatter, IMessageDelivery messageDelivery, MembershipRebootConfiguration <HierarchicalUserAccount> config)
: base(messageFormatter, messageDelivery)
{
_logger = loggerFactory.CreateLogger(this.GetType().ToString());
_config = config;
}
public EmailAccountCreatedEventHandler(IMessageFormatter messageFormatter, IMessageDelivery messageDelivery)
: base(messageFormatter, messageDelivery)
{
}