private void OnPeekCompleted(object sender, PeekCompletedEventArgs e)
{
if (OnMessageReceived == null) return;
var transaction = new MessageQueueTransaction();
transaction.Begin();
try
{
var queueMessage = inputQueue.Receive(transaction);
var headers = GetMessageHeaders(queueMessage);
var message = new ChannelMessage(queueMessage.BodyStream);
message.AddHeader(headers);
OnMessageReceived(this, new MessageReceivedEventArgs { Message = message });
transaction.Commit();
}
catch (Exception)
{
transaction.Abort();
throw;
}
finally
{
inputQueue.BeginPeek();
}
}
static void _orderQueue_PeekCompleted(object sender, PeekCompletedEventArgs e)
{
var orderQueue = (MessageQueue)sender;
var transaction = new MessageQueueTransaction();
transaction.Begin();
Order order;
try
{
var receivedMessage = orderQueue.Receive(transaction);
receivedMessage.Formatter = new XmlMessageFormatter(new Type[] { typeof(string) });
order = Order.DeserializeXml(receivedMessage.Body.ToString());
using (var db = new OrderContext())
{
db.Orders.Add(order);
db.SaveChanges();
}
transaction.Commit();
}
catch
{
// TODO: Log something
transaction.Abort();
}
finally
{
orderQueue.BeginPeek();
}
}
private void QueuePeekCompleted(object sender, PeekCompletedEventArgs e)
{
Message message = _queue.EndPeek(e.AsyncResult);
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("\nA message was read from the Sales queue.");
Console.WriteLine(string.Format("The message was: {0}", message.Body));
_queue.Receive();
_queue.BeginPeek();
}
private void DelegatePeekCompleted(object sender, CompletedEventArgs args)
{
if (PeekCompleted == null)
{
return;
}
PeekCompletedEventArgs newArgs = new PeekCompletedEventArgs(this, args.AsyncResult);
PeekCompleted(sender, newArgs);
}
private void MessageAvailable(object source, PeekCompletedEventArgs args)
{
var messageQueue = (MessageQueue) source;
try
{
ReadMessage(messageQueue);
}
finally
{
messageQueue.Close();
}
// Continue reading from the queue
messageQueue.BeginPeek();
}
/// <summary>
/// Peek completed event
/// </summary>
/// <param name="sender">sender object</param>
/// <param name="eventArg">Event argument</param>
private void PeekCompleted(object sender, System.Messaging.PeekCompletedEventArgs eventArg)
{
object message = new object();
((MessageQueue)sender).EndPeek(eventArg.AsyncResult);
if (this.IsTransactional)
{
message = this.ReceiveMessageTransactional((MessageQueue)sender);
}
else
{
message = this.ReceiveMessage((MessageQueue)sender);
}
this.MessageQueuesProcessed(this, new EngineEventArgs(new object[] { message }));
}
private void receiveQueue_PeekCompleted(object sender, PeekCompletedEventArgs e)
{
MessageQueue mq = (MessageQueue)sender;
// End the asynchronous Receive operation.
mq.EndPeek(e.AsyncResult);
if (!started)
{
return;
}
var message = mq.Receive();
DispatchMessage(message);
mq.BeginPeek();
}
private void OnMessagePeeked(object sender, PeekCompletedEventArgs e)
{
var transaction = new MessageQueueTransaction();
try
{
transaction.Begin();
var message = _messageQueue.Receive(transaction);
MessageReceived(this, new MessageReceivedEventArgs(message));
}
catch
{
transaction.Abort();
throw;
}
finally
{
transaction.Dispose();
}
}
public void readAndPeek(object sender, PeekCompletedEventArgs args)
{
MessageQueue queue = (MessageQueue)sender;
try
{
this.logger.WriteEntry("started peek on " + Reservation.QUEUE_PATH);
Message msg = queue.EndReceive(args.AsyncResult);
msg.Formatter = new XmlMessageFormatter(new Type[] { typeof(Reservation) });
Reservation reservation = (Reservation)msg.Body;
this.logger.WriteEntry("found hotel " + reservation.Hotel.HotelId);
saveReservation(reservation);
queue.Receive();
this.logger.WriteEntry("peek done");
}
catch (Exception e)
{
this.logger.WriteEntry(e.Message);
}
queue.BeginPeek();
}
private void TxQueueOnPeekCompleted(object sender, PeekCompletedEventArgs peekCompletedEventArgs)
{
if (_stopRequested) return;
_stopReady = false;
var txQueue = (MessageQueue) sender;
using (var tx = new MessageQueueTransaction())
{
try
{
tx.Begin();
using (Message currentMessage = txQueue.Receive(tx))
{
Thread.Sleep(2500); // some process
}
tx.Commit();
}
catch (Exception)
{
tx.Abort(); // puts message back on the queue
}
}
_stopReady = true;
if (!_stopRequested) txQueue.BeginPeek();
}
private void queue_PeekCompleted(object sender, PeekCompletedEventArgs e)
{
var queue = (MessageQueue)sender;
var transaction = new MessageQueueTransaction();
transaction.Begin();
try
{
var message = queue.Receive(transaction);
var tm = NServiceBus.Utils.MsmqUtilities.Convert(message);
var audit = tm.To_NServiceBus_Audit_Message();
Bus.SendLocal(audit);
transaction.Commit();
}
catch (Exception ex)
{
transaction.Abort();
}
finally
{
queue.BeginPeek();
}
}
void OnPeekCompleted(object sender, PeekCompletedEventArgs peekCompletedEventArgs)
{
stopResetEvent.Reset();
CallPeekWithExceptionHandling(() => queue.EndPeek(peekCompletedEventArgs.AsyncResult));
throttlingSemaphore.Wait();
WorkerTaskFactory.Start(Action, CancellationToken.None);
//We using an AutoResetEvent here to make sure we do not call another BeginPeek before the Receive has been called
peekResetEvent.WaitOne();
CallPeekWithExceptionHandling(() => queue.BeginPeek());
stopResetEvent.Set();
}
private void MonitoredQueueOnPeekCompleted(object sender, PeekCompletedEventArgs peekCompletedEventArgs)
{
lock (_threadLock)
{
if (_stopRequested) return;
using (var tx = new MessageQueueTransaction())
{
tx.Begin();
try
{
using (Message message = _monitoredQueue.Receive(tx))
{
if (message != null)
{
ProcessMessage(tx, message);
}
}
tx.Commit();
}
catch (Exception)
{
tx.Abort();
}
}
if (!_stopRequested) _monitoredQueue.BeginPeek();
}
}
private void HandleMessage (object source, PeekCompletedEventArgs args) {
eventCalled = true;
}
private void Manager(object source, PeekCompletedEventArgs asyncResult)
{
// Connect to the queue.
MessageQueue mq = source as MessageQueue;
try
{
// The manager has responsibility to delegate a work to the receiver for incomming messages
// The number of the workers can be managed administratively or on the fly.
// End the asynchronous peek operation.
mq.EndPeek(asyncResult.AsyncResult);
// threadpool controller
while(true)
{
// wait for condition (workers are ready, etc.)
if(m_EventMgr.WaitOne(NotifyTime * 1000, true) == false)
{
// timeout handler
if(MaxNumberOfWorkers > 0)
{
string strWarning = string.Format("[{0}]MSMQChannel.Receiver: All Message Workers are busy", ChannelName);
WriteLogMsg(strWarning, EventLogEntryType.Warning);
// threadpool is closed, try again
continue;
}
else
{
m_Listening = false;
return;
}
}
// threadpool is open
break;
}
// delegate work to the worker
MessageWorkerDelegator mwd = new MessageWorkerDelegator(MessageWorker);
mwd.BeginInvoke(source, null, null);
}
catch(Exception ex)
{
string strErr = string.Format("[{0}]MSMQChannel.Receiver:Mamager failed, error = {1}", ChannelName, ex.Message);
WriteLogMsg(strErr, EventLogEntryType.Error);
}
finally
{
// Restart the asynchronous peek operation
if(m_Listening == true)
mq.BeginPeek();
else
Trace.WriteLine(string.Format("[{0}]MSMQChannel.Receiver.Manager has been disconnected", ChannelName));
}
}
void QueueOnPeekCompleted(object sender, PeekCompletedEventArgs args)
{
stopResetEvent.Reset();
TryStartNewBatchImporter();
}
private void OnPeekCompleted(object sender, PeekCompletedEventArgs e)
{
Message message = null;
var messageQueueTransaction = new MessageQueueTransaction();
try
{
var messageQueue = (MessageQueue)sender;
messageQueue.EndPeek(e.AsyncResult);
messageQueueTransaction.Begin();
message = messageQueue.Receive(messageQueueTransaction);
messageQueueTransaction.Commit();
}
catch (Exception ex)
{
messageQueueTransaction.Abort();
Debug.WriteLine("Exception:ReceiveMessage Exception:" + ex);
}
if (message != null)
{
var messageObj = (MessageObj)message.Body;
Debug.WriteLine("Async Receive Message Done!(" + messageObj.MediaTaskId + ")");
}
}
void queue_PeekCompleted(object sender, PeekCompletedEventArgs e)
{
var queue = sender as MessageQueue;
if (e.Message == null || queue == null)
return;
Bus.Publish(new Queue_Alarm
{
Id= Guid.NewGuid(),
Timestamp = DateTime.Now,
Queue_Name = queue.FormatName
});
}
private void OnPeekCompleted(object sender, PeekCompletedEventArgs e)
{
Debug.WriteLine("Peek Complete!");
queue.EndPeek(e.AsyncResult);
var transaction = new MessageQueueTransaction();
try {
transaction.Begin();
var msg = queue.Receive(transaction);
transaction.Commit();
StartListening();
FireRecieveEvent(msg);
}
catch(Exception ex) {
if(transaction.Status == MessageQueueTransactionStatus.Pending)
transaction.Abort();
Debug.WriteLine("Peek Exception: {0}", ex.Message);
}
}
void OnPeekCompleted(object sender, PeekCompletedEventArgs peekCompletedEventArgs)
{
stopResetEvent.Reset();
CallPeekWithExceptionHandling(() => queue.EndPeek(peekCompletedEventArgs.AsyncResult));
throttlingSemaphore.Wait();
Task.Factory
.StartNew(Action, CancellationToken.None, TaskCreationOptions.LongRunning, TaskScheduler.Default)
.ContinueWith(task =>
{
task.Exception.Handle(ex =>
{
Logger.Error("Error processing message.", ex);
return true;
});
}, TaskContinuationOptions.OnlyOnFaulted);
//We using an AutoResetEvent here to make sure we do not call another BeginPeek before the Receive has been called
peekResetEvent.WaitOne();
CallPeekWithExceptionHandling(() => queue.BeginPeek());
stopResetEvent.Set();
}
private void OnPeekCompleted(object sender, PeekCompletedEventArgs e)
{
_queue.EndPeek(e.AsyncResult);
var trans = new MessageQueueTransaction();
Message msg = null;
try
{
trans.Begin();
msg = _queue.Receive(trans);
trans.Commit();
StartListening();
FireRecieveEvent(msg.Body);
}
catch(Exception ex)
{
Debug.WriteLine(ex);
trans.Abort();
}
}
private void DelegatePeekCompleted (object sender, CompletedEventArgs args)
{
if (PeekCompleted == null)
return;
PeekCompletedEventArgs newArgs = new PeekCompletedEventArgs (this, args.AsyncResult);
PeekCompleted (sender, newArgs);
}
void workflowQueue_PeekCompleted(object sender, PeekCompletedEventArgs e)
{
MessageQueue workflowQueue = (MessageQueue)sender;
using (TransactionScope txScope = new TransactionScope(TransactionScopeOption.RequiresNew))
{
try
{
Message queueMessage = workflowQueue.Receive(MessageQueueTransactionType.Automatic);
Task.Factory.StartNew(() => RunFrameworkJob(queueMessage, null));
Interlocked.Increment(ref JobsRunning);
txScope.Complete();
}
catch (MessageQueueException ex)
{
Interlocked.Decrement(ref JobsRunning);
pool.Release();
if (ex.MessageQueueErrorCode == MessageQueueErrorCode.QueueNotAvailable)
LoadActiveQueue();
else
throw new WorkflowException("Error getting framework job from queue: An internal Message Queuing error occured", ex);
}
catch (InvalidOperationException ex)
{
Interlocked.Decrement(ref JobsRunning);
pool.Release();
throw new WorkflowException("Error begining transaction: The transaction has already been started.", ex);
}
catch (Exception ex)
{
Interlocked.Decrement(ref JobsRunning);
pool.Release();
throw new WorkflowException("General Error Starting Framework Job.", ex);
}
}
if (!StopProcess)
{
pool.WaitOne();
workflowQueue.BeginPeek();
}
}
private void RetryManager(object source, PeekCompletedEventArgs asyncResult)
{
// the message is going to move using the transactional manner
MessageQueueTransaction mqtx = null;
// Connect to the queue.
MessageQueue mq = (MessageQueue)source;
try
{
// End the asynchronous peek operation.
Message msg = mq.EndPeek(asyncResult.AsyncResult);
// check the message lifetime
DateTime elapsedTime = msg.ArrivedTime.AddSeconds(RetryTime);
if(DateTime.Compare(DateTime.Now, elapsedTime) >= 0)
{
// it's the time to move it
// create destination queue
MessageQueue InQueue = new MessageQueue(ListenerPath);
InQueue.Formatter = new BinaryMessageFormatter();
mqtx = new MessageQueueTransaction();
// echo
Trace.WriteLine(string.Format("[{0}]MSMQChannel.Receiver.RetryManager - Moveing message \"{1}\"", ChannelName, msg.Label));
// move it
mqtx.Begin();
Message msgToMove = mq.Receive(new TimeSpan(0,0,0,1));
InQueue.Send(msgToMove, mqtx);
mqtx.Commit();
}
else
{
// it's the time to sleep
TimeSpan deltaTime = elapsedTime.Subtract(DateTime.Now);
// the sleep time
int sleeptime = Convert.ToInt32(deltaTime.TotalMilliseconds);
// echo
Trace.WriteLine(string.Format("[{0}]MSMQChannel.Receiver.RetryManager - Sleeping for {1}ms", ChannelName, sleeptime));
// wait for timeout or signal such as change retrytime value or shutdown process
m_EventRetryMgr.WaitOne(sleeptime, true);
}
}
catch(Exception ex)
{
if(mqtx != null && mqtx.Status == MessageQueueTransactionStatus.Pending)
mqtx.Abort();
string strErr = string.Format("[{0}]MSMQChannel.Receiver:RetryMamager failed, error = {1}", ChannelName, ex.Message);
WriteLogMsg(strErr, EventLogEntryType.Error);
}
finally
{
// Restart the asynchronous peek operation
if(m_RetryListening == true)
mq.BeginPeek();
else
Trace.WriteLine(string.Format("[{0}]MSMQChannel.Receiver.RetryManager has been disconnected", ChannelName));
}
}
void mobjInboundQueue_PeekCompleted(object sender, PeekCompletedEventArgs e)
{
Message objMessage = null;
try
{
// Get Message from Queue
objMessage = mobjInboundQueue.EndPeek(e.AsyncResult);
if (BeginReceivePreRaisingLastMessageReceivedEvent)
{
// Listen for further messages
mobjInboundQueue.BeginPeek();
// Expose Message to hosting instance
MessageReceived(objMessage, true, mobjInboundQueue.Path);
}
else
{
// Expose Message to hosting instance
MessageReceived(objMessage, true, mobjInboundQueue.Path);
// Listen for further messages
mobjInboundQueue.BeginPeek();
}
}
catch (NullReferenceException)
{
if (mobjInboundQueue != null)
{
// Ignore
}
}
catch (MessageQueueException excE)
{
throw excE;
}
catch (Exception excE)
{
throw excE;
}
}
