/// <summary>
/// Begin listening for messages.
/// </summary>
public void Start()
{
if (_isStarted)
throw new InvalidOperationException("AzureCommandBusListener have already been started.");
_isStarted = true;
_queueClient.BeginReceive(OnMessage, null);
}
/// <summary>
/// Begin listening for messages.
/// </summary>
public void Start()
{
if (_isStarted)
{
throw new InvalidOperationException("AzureEventBusListener have already been started.");
}
_isStarted = true;
_logger.Write(LogLevel.Info, "Starting");
_queueClient.BeginReceive(OnMessage, null);
}
public override void Run()
{
while (!IsStopped)
{
// Increment Request Counter
Interlocked.Increment(ref dequeueRequests);
Trace.WriteLine(dequeueRequests + " request(s) in progress");
Client.BeginReceive(new TimeSpan(0, 0, 10), ProcessUrgentEmails, Client);
// If we have made too many requests, wait for them to finish before requesting again.
while (dequeueRequests >= MaxThreads && !IsStopped)
{
System.Diagnostics.Trace.WriteLine(dequeueRequests + " requests in progress, waiting before requesting more work");
Thread.Sleep(2000);
}
}
}
static void Main(string[] args)
{
GetUserCredentials();
MessagingFactory factory = null;
try
{
//*****************************************************************************************************
// Management Operations
//*****************************************************************************************************
NamespaceManager namespaceClient = NamespaceManager.CreateFromConnectionString(ServiceBusConnectionString);
if (namespaceClient == null)
{
Console.WriteLine("\nUnexpected Error: NamespaceManager is NULL");
return;
}
//Retreive details of the queue
QueueDescription queueDescription = namespaceClient.GetQueue(AsyncReceiver.QueueName);
if (queueDescription == null)
{
Console.WriteLine("\nUnexpected Error: QueueDescription is NULL");
return;
}
//*****************************************************************************************************
// Runtime Operations
//*****************************************************************************************************
factory = MessagingFactory.CreateFromConnectionString(ServiceBusConnectionString);
QueueClient myQueueClient = factory.CreateQueueClient(AsyncReceiver.QueueName, ReceiveMode.PeekLock);
//*****************************************************************************************************
// Receiving messages from a Queue
//*****************************************************************************************************
Console.WriteLine("\nReceiving messages from Queue '{0}'...", AsyncReceiver.QueueName);
// Retreive the number of messages currently in the Queue
long messageCount = queueDescription.MessageCount;
// Initiate the Asynchronous Receive using BeginReceive() call to receive the messages.
for (long count = 0; count < messageCount; count++)
{
myQueueClient.BeginReceive(TimeSpan.FromSeconds(30), OnMessageReceive, myQueueClient);
}
Console.WriteLine("\nAfter all messages are received, press ENTER to exit.");
Console.ReadLine();
}
catch (Exception e)
{
Console.WriteLine("Unexpected exception {0}", e.ToString());
throw;
}
finally
{
// Closing factory close all entities created from the factory.
if (factory != null)
{
factory.Close();
}
}
}
public void Start()
{
_requestQueue.BeginReceive(OnMessage, null);
}
public void Start()
{
_queryQueueClient.BeginReceive(OnMessage, null);
}