protected void QueueObserverThread(object state)
{
// Only one instance of ServiceBus should listen to a particular queue
var mutexName = $"Paralect.ServiceBus.{_transportEndpointAddress.GetFriendlyName()}";
MutexFactory.LockByMutex(mutexName, () =>
{
var started = ObserverStarted;
started?.Invoke(this);
Log.Info("Paralect Service [{0}] bus started and listen to the {1} queue...", "_configuration.Name", _transportEndpointAddress.GetFriendlyName());
Observe();
});
}
protected void QueueObserverThread(object state)
{
// Only one instance of ServiceBus should listen to a particular queue
String mutexName = String.Format("Paralect.ServiceBus.{0}", _configuration.InputQueue.GetFriendlyName());
MutexFactory.LockByMutex(mutexName, () =>
{
CheckAvailabilityOfQueue(_configuration.InputQueue);
CheckAvailabilityOfQueue(_configuration.ErrorQueue);
var msmqQueueObserver = (MsmqQueueObserver)state;
_logger.Info("Paralect Service [{0}] bus started and listen to the {1} queue...", _configuration.Name, _configuration.InputQueue.GetFriendlyName());
_started = true;
msmqQueueObserver.Listen();
_started = false;
});
}
/// <summary>
/// Check existence of input and error endpoint and create them if needed
/// </summary>
private void PrepareQueues()
{
// Prepare input endpoint
var inputMutexName =
$"Paralect.ServiceBus.{_inputTransportEndpointAddress.GetFriendlyName()}.InputQueue";
if (!_provider.ExistsEndpoint(_inputTransportEndpointAddress))
{
MutexFactory.LockByMutex(inputMutexName, () =>
{
if (!_provider.ExistsEndpoint(_inputTransportEndpointAddress))
{
_provider.CreateEndpoint(_inputTransportEndpointAddress);
}
});
}
_provider.PrepareEndpoint(_inputTransportEndpointAddress);
// Prepare error endpoint
var errorMutexName =
$"Paralect.ServiceBus.{_inputTransportEndpointAddress.GetFriendlyName()}.ErrorQueue";
if (!_provider.ExistsEndpoint(_errorTransportEndpointAddress))
{
MutexFactory.LockByMutex(errorMutexName, () =>
{
if (!_provider.ExistsEndpoint(_errorTransportEndpointAddress))
{
_provider.CreateEndpoint(_errorTransportEndpointAddress);
}
});
}
_provider.PrepareEndpoint(_errorTransportEndpointAddress);
}
