public void WriteReadMessage()
{
var ids = new List<string>();
var mq = new MessageQueue(@".\private$\QMM_");
mq.Send("12345");
mq.Send("23456");
var msg = mq.Receive(new TimeSpan(0, 0, 0, 0, 1));
if (msg != null)
Console.WriteLine(msg.Body);
mq.Dispose();
mq = null;
mq = new MessageQueue(@".\private$\QMM_");
msg = mq.Receive(new TimeSpan(0, 0, 0, 0, 1));
if (msg != null)
{
msg.Formatter = new XmlMessageFormatter(new Type[] {typeof (string)});
Console.WriteLine(msg.Body);
}
}
protected override void Dispose(bool disposing)
{
if (disposing && _queue != null)
{
_queue.Dispose();
}
}
public void StringMessageFormatter()
{
var ids = new List<string>();
var mq = new MessageQueue(@".\private$\QMM_");
mq.Formatter = new StringMessageFormatter();
mq.Send("12345");
mq.Send("23456");
mq.Dispose();
mq = null;
mq = new MessageQueue(@".\private$\QMM_");
for (int i = 0; i < 3; i++)
{
Message msg = null;
try
{
msg = mq.Receive(new TimeSpan(0, 0, 0, 0, 1));
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
if (msg != null)
{
msg.Formatter = new StringMessageFormatter();
Console.WriteLine(msg.Body);
}
}
}
public static void HandleError(MsmqPoisonMessageException error)
{
ProcessorQueue processorQueue = (ProcessorQueue)error.Data["processorQueue"];
MessageQueue poisonQueue = new System.Messaging.MessageQueue(processorQueue.PoisonQueue);
MessageQueue errorQueue = new System.Messaging.MessageQueue(processorQueue.ErrorQueue);
using (TransactionScope txScope = new TransactionScope(TransactionScopeOption.RequiresNew))
{
try
{
// Send the message to the poison and error message queues.
poisonQueue.Send((IWorkflowMessage)error.Data["message"], MessageQueueTransactionType.Automatic);
errorQueue.Send((WorkflowErrorMessage)error.Data["errorMessage"], MessageQueueTransactionType.Automatic);
txScope.Complete();
}
catch (InvalidOperationException)
{
}
finally
{
poisonQueue.Dispose();
errorQueue.Dispose();
}
}
}
/// <summary>
/// Disconnect from queue
/// </summary>
protected void DisconnectInternal()
{
MessageQueue?.Close();
MessageQueue?.Dispose();
MessageQueue = null;
Logger.Debug("Disconnect from Message Queue {%Queue}", ToJson());
}
/// <summary>
/// close the connection to the message queue
/// </summary>
public void Close()
{
if (mq != null)
{
mq.Close();
mq.Dispose();
}
}
protected override void Dispose(bool disposing)
{
if (disposing && _queue != null)
{
_queue.Dispose();
if (_useTemporaryQueue && msmq.MessageQueue.Exists(Address))
{
msmq.MessageQueue.Delete(Address);
}
}
}
public static MsmqConnector OpenReceive(MsmqAddress address, bool enlist)
{
var queue = new MessageQueue(address.Proprietary, QueueAccessMode.Receive);
queue.MessageReadPropertyFilter.SetAll();
Log.Info(Diagnostics.OpeningQueueForReceive, address, enlist);
if (!enlist || queue.Transactional)
return new MsmqConnector(queue, address, enlist);
queue.Dispose();
Log.Error(Diagnostics.NonTransactionalQueue, address.Canonical);
throw new EndpointException(string.Format(CultureInfo.InvariantCulture, Diagnostics.NonTransactionalQueue, address.Canonical));
}
protected virtual void Dispose(bool disposing)
{
if (!_disposedValue)
{
if (disposing)
{
_receiveQueue.Dispose();
_sendQueue.Dispose();
_receiveQueue = null;
_sendQueue = null;
}
_disposedValue = true;
}
}
internal static bool SendImpression2(int IDSubScheduleDetail)
{
try
{
MessageQueue MQ = new MessageQueue(server_msmq2);
MQ.Send(string.Format("IDSub:{0}:{1:dd/MM/yyyy HH-mm}", IDSubScheduleDetail, DateTime.Now),
string.Format("IDSub:{0}:{1:dd/MM/yyyy HH-mm}", IDSubScheduleDetail, DateTime.Now));
MQ.Dispose();
return true;
}
catch
{
return false;
}
}
public static string SendImpression3(int IDSubScheduleDetail)
{
try
{
MessageQueue MQ = new MessageQueue(server_msmq);
MQ.Send(string.Format("IDSub:{0}:{1:dd/MM/yyyy HH-mm}", IDSubScheduleDetail, DateTime.Now),
string.Format("IDSub:{0}:{1:dd/MM/yyyy HH-mm}", IDSubScheduleDetail, DateTime.Now));
MQ.Dispose();
MQ.Close();
return "done";
}
catch(Exception ex)
{
return ex.Message;
}
}
public static bool SendClick(string IDSubScheduleDetail, string IDSubpage)
{
try
{
MessageQueue MQ = new MessageQueue(MQ_CLICK);
MQ.Send(string.Format("IDSub:{0},{1}:{2:dd/MM/yyyy HH-mm}", IDSubScheduleDetail, IDSubpage, DateTime.Now),
string.Format("IDSub:{0},{1}:{2:dd/MM/yyyy HH-mm}", IDSubScheduleDetail, IDSubpage, DateTime.Now));
MQ.Dispose();
MQ.Close();
return true;
}
catch
{
return false;
}
}
private void button1_Click(object sender, EventArgs e)
{
MessageQueue msgQ = new MessageQueue(_msgQRec);
System.Messaging.Message m = new System.Messaging.Message();
m.Formatter = new XmlMessageFormatter(new Type[] { typeof(String) });
try
{
//When we pull the message off from the queue it will be in the form of a
//byte array
m = msgQ.Receive();
byte[] data = new byte[1024];
m.BodyStream.Read(data, 0, 1024);
string strMessage = ASCIIEncoding.ASCII.GetString(data);
//load message into XmlDocument
XmlDocument xml = new XmlDocument();
xml.LoadXml(strMessage);
//Deserialize Xml Document into a typed C# object
var ser = new XmlSerializer(typeof(WorkOrderRequests));
var wo = (WorkOrderRequests)ser.Deserialize(new StringReader(xml.OuterXml));
//Populate our GUI
txtFunctionalLocation.Text = wo.WorkOrderRequest[0].FunctionalLocation;
txtMachineID.Text = wo.WorkOrderRequest[0].MachinedID;
txtMaintenanceType.Text = wo.WorkOrderRequest[0].MaintenanceType;
txtPlant.Text = wo.WorkOrderRequest[0].Plant;
txtRequestedDate.Text = wo.WorkOrderRequest[0].RequestDate.ToString();
txtWorkOrderID.Text = wo.WorkOrderRequest[0].WorkOrderID;
btnCompleteWorkOrder.Visible = true;
msgQ.Close();
msgQ.Dispose();
}
catch (Exception ex)
{
MessageBox.Show(String.Format("An exception has occurred {0}", ex.ToString()));
}
}
public static void HandleComplete(ProcessorQueue processorQueue, IWorkflowMessage message)
{
MessageQueue completedQueue = new System.Messaging.MessageQueue(processorQueue.CompletedQueue);
using (TransactionScope txScope = new TransactionScope(TransactionScopeOption.RequiresNew))
{
try
{
completedQueue.Send(message, MessageQueueTransactionType.Automatic);
txScope.Complete();
}
catch (InvalidOperationException)
{
}
finally
{
completedQueue.Dispose();
}
}
}
public virtual void Dispose()
{
_queue.Dispose();
}
/// <summary>
/// Closes the queue handle. Cancel pending receive operation by closing the queue handle
/// To properly dispose of the queue handle, ensure that EnableConnectionCache=false on the
/// MessageQueue that this listener is configured to use.
/// </summary>
protected void CloseQueueHandle(MessageQueue mq)
{
lock (messageQueueMonitor)
{
mq.Close();
mq.Dispose();
}
}
// Peeks message (first/application-specified correlationId) from status queue
private Message PeekFromStatusQueue(string correlationId)
{
string statusQueuePath = "FormatName:DIRECT=OS:" + this.queue.MachineName + @"\" + Parameters.STATUS_QUEUE;
MessageQueue statusQueue = new MessageQueue(statusQueuePath);
statusQueue.Formatter = new BinaryMessageFormatter();
statusQueue.MessageReadPropertyFilter.AppSpecific = true;
statusQueue.MessageReadPropertyFilter.CorrelationId = true;
Message statusMessage = null;
try
{
if (correlationId == null)
{
statusMessage = statusQueue.PeekByLookupId(MessageLookupAction.First, 0);
}
else
{
statusMessage = statusQueue.PeekByCorrelationId(correlationId, TimeSpan.Zero);
}
}
catch (MessageQueueException)
{
// If status queue is empty, peek will throw MessageQueueException
throw new InvalidOperationException();
}
statusQueue.Dispose();
statusQueue.Close();
return statusMessage;
}
// Missing fragments are marked as rejected in a separate transaction and are sent to sender's DLQ on commit.
private void PerformHouseKeeping(string correlationId)
{
string subQueueName = Utilities.GetSubQueueName(correlationId);
string subQueuePath = "FormatName:DIRECT=OS:" + this.queue.MachineName + @"\" + this.queue.QueueName + ";" + subQueueName;
MessageQueue subQueue = new MessageQueue(subQueuePath);
Message messageToReject = null;
// MarkMessageRejected works only with transaction
MessageQueueTransaction rejectTransaction = new MessageQueueTransaction();
rejectTransaction.Begin();
// ReceiveById to clear the first header fragment whose Id is put in all other fragment's correlation id
// This is in a separate try-catch so that it proceeds with marking other fragments in case first fragment
// is the one that is lost
try
{
messageToReject = subQueue.ReceiveById(correlationId, rejectTransaction);
NativeMethods.MarkMessageRejected(subQueue.FormatName, messageToReject.LookupId);
}
catch (MessageQueueException)
{
// Don't do anything
}
catch (InvalidOperationException)
{
// Don't do anything
}
// Marks other fragments in subqueue as rejected
try
{
while (true)
{
messageToReject = subQueue.ReceiveByCorrelationId(correlationId, rejectTransaction);
NativeMethods.MarkMessageRejected(subQueue.FormatName, messageToReject.LookupId);
}
}
catch (MessageQueueException)
{
// Don't do anything and just come out of the loop
}
catch (InvalidOperationException)
{
// Don't do anything and just come out of the loop
}
// Safe reject in case message becomes available in main queue
try
{
messageToReject = this.queue.ReceiveById(correlationId, rejectTransaction);
NativeMethods.MarkMessageRejected(subQueue.FormatName, messageToReject.LookupId);
}
catch (MessageQueueException)
{
// Don't do anything
}
catch (InvalidOperationException)
{
// Don't do anything
}
// Mark other fragments in main queue as rejected
try
{
while (true)
{
messageToReject = this.queue.ReceiveByCorrelationId(correlationId, rejectTransaction);
NativeMethods.MarkMessageRejected(this.queue.FormatName, messageToReject.LookupId);
}
}
catch (MessageQueueException)
{
// Don't do anything and just come out of the loop
}
catch (InvalidOperationException)
{
// Don't do anything and just come out of the loop
}
finally
{
subQueue.Dispose();
subQueue.Close();
rejectTransaction.Commit();
rejectTransaction.Dispose();
}
}
/// <summary>
/// Add a job for the framework to process
/// </summary>
/// <param name="jobName">The name of the job in the framework's workflow file</param>
/// <param name="message">A class containing the message data</param>
public static void AddFrameworkJob(string jobName, IWorkflowMessage message)
{
// Add a message to the Queue
ProcessorJob processorJob = new ProcessorJob() { JobName = jobName, CreatedDate = DateTime.Now };
WorkflowConfiguration.LoadFrameworkConfig(processorJob);
ProcessorQueue processorQueue = GetActiveQueue(processorJob, QueueOperationType.Delivery);
MessageQueue workflowQueue = new MessageQueue(processorQueue.MessageQueue);
MessageQueueTransaction transaction = new MessageQueueTransaction();
try
{
if (processorQueue.MessageQueueType == MessageQueueType.Transactional)
{
transaction.Begin();
workflowQueue.Send(message, jobName, transaction);
transaction.Commit();
}
else
{
workflowQueue.Send(message, jobName);
}
}
catch (Exception e)
{
if (processorQueue.MessageQueueType == MessageQueueType.Transactional &&
transaction.Status == MessageQueueTransactionStatus.Pending)
transaction.Abort();
throw new WorkflowException("Error adding message to Queue", e);
}
finally
{
transaction.Dispose();
workflowQueue.Dispose();
}
}
/// <summary>
/// Activates a subscription by starting
/// to listen to the specified queue
/// </summary>
/// <param name="queue">Queue to activate</param>
/// <param name="subscription">Subscription to activate</param>
private void ActivateSubscription(MessageQueue queue, MsmqSubscription subscription)
{
try
{
_lock.AcquireWriterLock(Timeout.Infinite);
_subscriptionsByID.Add(subscription.ID, subscription);
// do we already have suscriptions to this queue?
Receiver receiver = null;
if ( !_queueReceivers.ContainsKey(queue.FormatName) )
{
receiver = new Receiver(queue, OnMessageReceived);
_queueReceivers.Add(queue.FormatName, receiver);
} else
{
receiver = _queueReceivers[queue.FormatName];
receiver.AddRef();
queue.Dispose();
}
} finally
{
_lock.ReleaseWriterLock();
}
}
public void Close()
{
_queue.Dispose();
}
/// <summary>
/// Disposes this instance and the underlying <see cref="System.Messaging.MessageQueue"/> instance.
/// </summary>
public void Dispose()
{
_Queue?.Dispose();
}
// Sends status message to status queue.
// 0 - subqueue complete, 1 - subqueue ready for delete
private void SendToStatusQueue(string correlationId, int subQueueStatus, string largeSequenceId)
{
string statusQueuePath = "FormatName:DIRECT=OS:" + this.queue.MachineName + @"\" + Parameters.STATUS_QUEUE;
MessageQueue statusQueue = new MessageQueue(statusQueuePath);
try
{
bool canRead = statusQueue.CanRead;
bool canWrite = statusQueue.CanWrite;
if ((!canRead) || (!canWrite))
{
throw new LargeMessageQueueException(null,
"Transactional status queue should have both read and write access for this user. Current status is: Read=" +
canRead + ", Write=" + canWrite);
}
}
catch (MessageQueueException mqe)
{
throw new LargeMessageQueueException("Transactional status queue not available", mqe);
}
Message statusMessage = new Message();
statusMessage.AppSpecific = subQueueStatus;
statusMessage.Formatter = new BinaryMessageFormatter();
statusMessage.Body = largeSequenceId;
if (correlationId != null)
{
statusMessage.CorrelationId = correlationId;
}
statusQueue.Send(statusMessage, MessageQueueTransactionType.Single);
statusQueue.Dispose();
statusQueue.Close();
}
/// <summary>
/// Starts to run the framework
/// </summary>
/// <param name="exceptionsBeforeExit">Number of times to try and run the framework</param>
/// <param name="currentExceptionNumber">Current Exception Number</param>
/// <param name="pauseFor">Wait between retrys in seconds</param>
private void RunFramework(int exceptionsBeforeExit, int currentExceptionNumber, int pauseFor)
{
try
{
MessageQueue workflowQueue = new MessageQueue(ProcessorQueue.MessageQueue);
Guid QID = workflowQueue.Id;
workflowQueue.Dispose();
if (ProcessorQueue.MessageQueueType == MessageQueueType.Transactional)
if (ProcessorQueue.MessageQueue.StartsWith(@".\"))
RunTransactionalFramework();
else
RunRemoteTransactionalFramework();
else
RunFramework();
}
catch (Exception e)
{
currentExceptionNumber++;
if (currentExceptionNumber <= exceptionsBeforeExit)
{
Thread.Sleep(pauseFor * 1000);
RunFramework(exceptionsBeforeExit, currentExceptionNumber, pauseFor);
}
else
throw new FrameworkFatalException("Fatal Error in the framework: " + e.Message, e);
}
}
// Receives message (first/application-specified correlationId) from status queue
// On delete flag set to true, the method receives message without transaction context
private Message ReceiveFromStatusQueue(long lookupId, MessageQueueTransaction transaction, MessageQueueTransactionType transactionType, bool delete)
{
bool transactionTypeFlag = (transactionType == MessageQueueTransactionType.Automatic) ? true : false;
string statusQueuePath = "FormatName:DIRECT=OS:" + this.queue.MachineName + @"\" + Parameters.STATUS_QUEUE;
MessageQueue statusQueue = new MessageQueue(statusQueuePath);
try
{
bool canRead = statusQueue.CanRead;
bool canWrite = statusQueue.CanWrite;
if ((!canRead) || (!canWrite))
{
throw new LargeMessageQueueException(null,
"Transactional status queue should have both read and write access for this user. Current status is: Read=" +
canRead + ", Write=" + canWrite);
}
}
catch (MessageQueueException mqe)
{
throw new LargeMessageQueueException("Transactional status queue not available", mqe);
}
statusQueue.Formatter = new BinaryMessageFormatter();
statusQueue.MessageReadPropertyFilter.AppSpecific = true;
statusQueue.MessageReadPropertyFilter.CorrelationId = true;
Message statusMessage = null;
try
{
if (lookupId == 0)
{
if (transactionTypeFlag)
{
statusMessage = statusQueue.ReceiveByLookupId(MessageLookupAction.First, 0, transactionType);
}
else
{
statusMessage = statusQueue.ReceiveByLookupId(MessageLookupAction.First, 0, transaction);
}
}
else
{
if (delete)
{
statusMessage = statusQueue.ReceiveByLookupId(lookupId);
}
else
{
if (transactionTypeFlag)
{
statusMessage = statusQueue.ReceiveByLookupId(MessageLookupAction.Current, lookupId, transactionType);
}
else
{
statusMessage = statusQueue.ReceiveByLookupId(MessageLookupAction.Current, lookupId, transaction);
}
}
}
}
catch (MessageQueueException)
{
// If status queue is empty, receive will throw MessageQueueException
throw new InvalidOperationException();
}
statusQueue.Dispose();
statusQueue.Close();
return statusMessage;
}
