public async Task GetMetrics_ReturnsExpectedResult()
{
var queuesOptions = new QueuesOptions();
Mock <ITriggerExecutor <QueueMessage> > mockTriggerExecutor = new Mock <ITriggerExecutor <QueueMessage> >(MockBehavior.Strict);
var queueProcessorFactory = new DefaultQueueProcessorFactory();
var queueProcessor = QueueListenerFactory.CreateQueueProcessor(Fixture.Queue, null, _loggerFactory, queueProcessorFactory, queuesOptions, null);
QueueListener listener = new QueueListener(Fixture.Queue, null, mockTriggerExecutor.Object, new WebJobsExceptionHandler(null),
_loggerFactory, null, queuesOptions, queueProcessor, new FunctionDescriptor {
Id = "TestFunction"
});
var metrics = await listener.GetMetricsAsync();
Assert.AreEqual(0, metrics.QueueLength);
Assert.AreEqual(TimeSpan.Zero, metrics.QueueTime);
Assert.AreNotEqual(default(DateTime), metrics.Timestamp);
// add some test messages
for (int i = 0; i < 5; i++)
{
await Fixture.Queue.SendMessageAsync($"Message {i}");
}
await Task.Delay(TimeSpan.FromSeconds(5));
metrics = await listener.GetMetricsAsync();
Assert.AreEqual(5, metrics.QueueLength);
Assert.True(metrics.QueueTime.Ticks > 0);
Assert.AreNotEqual(default(DateTime), metrics.Timestamp);
// verify non-generic interface works as expected
metrics = (QueueTriggerMetrics)(await((IScaleMonitor)listener).GetMetricsAsync());
Assert.AreEqual(5, metrics.QueueLength);
}
public PrinterMessageProvider(
QueueListenerFactory listenerFactory,
IMappingEngine mappingEngine)
{
_listenerFactory = listenerFactory;
_mappingEngine = mappingEngine;
}
public PrinterMessageProvider(
QueueListenerFactory listenerFactory,
IMappingEngine mappingEngine)
{
_listenerFactory = listenerFactory;
_mappingEngine = mappingEngine;
}
public Task <IListener> CreateListenerAsync(ListenerFactoryContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
var factory = new QueueListenerFactory(_queue, _queueConfiguration, _exceptionHandler,
_messageEnqueuedWatcherSetter, _sharedContextProvider, _loggerFactory, context.Executor);
return(factory.CreateAsync(context.CancellationToken));
}
public Task <IListener> CreateListenerAsync(ListenerFactoryContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
var factory = new QueueListenerFactory(_queueServiceClient, _queue, _queueOptions, _exceptionHandler,
_messageEnqueuedWatcherSetter, _loggerFactory, context.Executor, _queueProcessorFactory, context.Descriptor);
return(factory.CreateAsync(context.CancellationToken));
}
public async Task StartAsync()
{
var factory = new QueueListenerFactory();
foreach (var definition in queueDefinitions)
{
var listener = await definition.CreateAsync(factory, Handle, exceptionHandler);
listeners.Add(listener);
await listener.StartAsync();
}
}
private SyncAsyncEventHandler <QueueMessageDecodingFailedEventArgs> CreateMessageDecodingFailedHandler(QueueServiceClient nonEncodingQueueServiceClient)
{
return(async(QueueMessageDecodingFailedEventArgs args) =>
{
// This event is raised only in async paths hence args.IsRunningSynchronously is ignored.
if (args.ReceivedMessage != null)
{
var queueClient = args.Queue;
var poisonQueueClient = QueueListenerFactory.CreatePoisonQueueReference(nonEncodingQueueServiceClient, queueClient.Name);
var queueProcessor = QueueListenerFactory.CreateQueueProcessor(queueClient, poisonQueueClient, _loggerFactory, _queueProcessorFactory, _queuesOptions, _messageEnqueuedWatcher);
await queueProcessor.HandlePoisonMessageAsync(args.ReceivedMessage, args.CancellationToken).ConfigureAwait(false);
}
});
}
public IFunctionDefinition CreateFunctionDefinition(IReadOnlyDictionary <string, IBinding> nonTriggerBindings,
IFunctionInvoker invoker, FunctionDescriptor functionDescriptor)
{
ITriggeredFunctionBinding <IStorageQueueMessage> functionBinding =
new TriggeredFunctionBinding <IStorageQueueMessage>(_parameterName, this, nonTriggerBindings);
ITriggeredFunctionInstanceFactory <IStorageQueueMessage> instanceFactory =
new TriggeredFunctionInstanceFactory <IStorageQueueMessage>(functionBinding, invoker,
functionDescriptor);
IListenerFactory listenerFactory = new QueueListenerFactory(_queue, _queueConfiguration,
_backgroundExceptionDispatcher, _messageEnqueuedWatcherSetter, _sharedContextProvider, _log,
instanceFactory);
return(new FunctionDefinition(instanceFactory, listenerFactory));
}
