private void OpenAndWaitConsumer(ISession session, IDestination destination, NMSConnectionMonitor connectionMonitor, MessageListener listener, CancellationToken ct)
{
using (IMessageConsumer consumer = CreateConsumer(session, destination))
{
Trace.TraceInformation("Created consumer to {0}", destination);
consumer.Listener += listener;
connectionMonitor.AddMessageConsumer(consumer);
ct.WaitHandle.WaitOne();
}
}
private void GetDarwinData(IConnection connection, CancellationToken ct, NMSConnectionMonitor connectionMonitor)
{
string darwinQueueName = ConfigurationManager.AppSettings["DarwinQueueName"];
if (!string.IsNullOrEmpty(darwinQueueName))
{
using (ISession session = connection.CreateSession())
{
var queue = session.GetQueue(darwinQueueName);
OpenAndWaitConsumer(session, queue, connectionMonitor, this.darwinConsumer_Listener, ct);
}
}
}
private void Subscribe()
{
using (IConnection connection = this.GetConnection())
{
connection.AcknowledgementMode = AcknowledgementMode.AutoAcknowledge;
string clientId = ConfigurationManager.AppSettings["ActiveMQDurableClientId"];
if (!string.IsNullOrEmpty(clientId))
{
connection.ClientId = clientId;
}
using (var connectionMonitor = new NMSConnectionMonitor(connection, _cancellationTokenSource, TimeSpan.FromMinutes(3)))
{
connection.Start();
Task dataFeedTask = Task.Factory.StartNew(() => GetDarwinData(connection, _cancellationTokenSource.Token, connectionMonitor), _cancellationTokenSource.Token);
try
{
dataFeedTask.Wait(_cancellationTokenSource.Token);
if (!connectionMonitor.QuitOk)
{
Trace.TraceError("Connection Monitor did not quit OK. Retrying Connection");
//TraceHelper.FlushLog();
throw new RetryException();
}
_cancellationTokenSource.Cancel();
Trace.TraceInformation("Closing connection to: {0}", connection);
}
catch (OperationCanceledException)
{
Trace.TraceError("Connection Monitor cancelled");
//TraceHelper.FlushLog();
}
}
}
}
