public void ShouldCallExceptionHandlerOnTimeoutException() { var waitStrategy = new TimeoutBlockingWaitStrategy(TimeSpan.FromMilliseconds(1)); var ringBuffer = new ValueRingBuffer <StubValueEvent>(() => new StubValueEvent(-1), new SingleProducerSequencer(16, waitStrategy)); var sequenceBarrier = ringBuffer.NewBarrier(); var exceptionSignal = new CountdownEvent(1); var exceptionHandler = new TestValueExceptionHandler <StubValueEvent>(x => exceptionSignal.Signal()); var eventHandler = new TestValueEventHandler <StubValueEvent> { OnTimeoutAction = TestException.ThrowOnce() }; var eventProcessor = CreateEventProcessor(ringBuffer, sequenceBarrier, eventHandler); ringBuffer.AddGatingSequences(eventProcessor.Sequence); eventProcessor.SetExceptionHandler(exceptionHandler); var task = eventProcessor.Start(); Assert.IsTrue(exceptionSignal.Wait(TimeSpan.FromSeconds(2))); Assert.AreEqual(0, exceptionHandler.EventExceptionCount); Assert.AreEqual(1, exceptionHandler.TimeoutExceptionCount); eventProcessor.Halt(); Assert.IsTrue(task.Wait(TimeSpan.FromSeconds(2))); }
public void SetUp() { _ringBuffer = ValueRingBuffer <StubValueEvent> .CreateMultiProducer(() => new StubValueEvent(-1), 32); _sequenceBarrier = _ringBuffer.NewBarrier(); _ringBuffer.AddGatingSequences(new NoOpEventProcessor <StubValueEvent>(_ringBuffer).Sequence); }
/// <summary> /// Set up custom event processors to handle events from the ring buffer. The disruptor will /// automatically start this processors when <see cref="Start"/> is called. /// /// This method can be used as the start of a chain. For example if the processor <code>A</code> must /// process events before handler<code>B</code>: /// <code>dw.HandleEventsWith(A).Then(B);</code> /// </summary> /// <param name="processors">processors the event processors that will process events</param> /// <returns>a <see cref="ValueEventHandlerGroup{T}"/> that can be used to chain dependencies.</returns> public ValueEventHandlerGroup <T> HandleEventsWith(params IEventProcessor[] processors) { foreach (var processor in processors) { _consumerRepository.Add(processor); } var sequences = new ISequence[processors.Length]; for (int i = 0; i < processors.Length; i++) { sequences[i] = processors[i].Sequence; } _ringBuffer.AddGatingSequences(sequences); return(new ValueEventHandlerGroup <T>(this, _consumerRepository, Util.GetSequencesFor(processors))); }
public OneToOneSequencedBatchValueThroughputTest() { _ringBuffer = ValueRingBuffer <PerfValueEvent> .CreateSingleProducer(PerfValueEvent.EventFactory, _bufferSize, new YieldingWaitStrategy()); var sequenceBarrier = _ringBuffer.NewBarrier(); _handler = new AdditionEventHandler(); _batchEventProcessor = BatchEventProcessorFactory.Create(_ringBuffer, sequenceBarrier, _handler); _ringBuffer.AddGatingSequences(_batchEventProcessor.Sequence); }
public PingPongSequencedValueLatencyTest() { _pingBuffer = ValueRingBuffer <PerfValueEvent> .CreateSingleProducer(PerfValueEvent.EventFactory, _bufferSize, new BlockingWaitStrategy()); _pongBuffer = ValueRingBuffer <PerfValueEvent> .CreateSingleProducer(PerfValueEvent.EventFactory, _bufferSize, new BlockingWaitStrategy()); _pingBarrier = _pingBuffer.NewBarrier(); _pongBarrier = _pongBuffer.NewBarrier(); _pinger = new Pinger(_pingBuffer, _iterations, _pauseNanos); _ponger = new Ponger(_pongBuffer); _pingProcessor = BatchEventProcessorFactory.Create(_pongBuffer, _pongBarrier, _pinger); _pongProcessor = BatchEventProcessorFactory.Create(_pingBuffer, _pingBarrier, _ponger); _pingBuffer.AddGatingSequences(_pongProcessor.Sequence); _pongBuffer.AddGatingSequences(_pingProcessor.Sequence); }
public void ShouldCallOnTimeout() { var waitStrategy = new TimeoutBlockingWaitStrategy(TimeSpan.FromMilliseconds(1)); var ringBuffer = new ValueRingBuffer <StubValueEvent>(() => new StubValueEvent(-1), new SingleProducerSequencer(16, waitStrategy)); var sequenceBarrier = ringBuffer.NewBarrier(); var onTimeoutSignal = new ManualResetEvent(false); var eventHandler = new TestValueEventHandler <StubValueEvent> { OnTimeoutAction = () => onTimeoutSignal.Set() }; var eventProcessor = CreateEventProcessor(ringBuffer, sequenceBarrier, eventHandler); ringBuffer.AddGatingSequences(eventProcessor.Sequence); var task = eventProcessor.Start(); Assert.IsTrue(onTimeoutSignal.WaitOne(TimeSpan.FromSeconds(2))); eventProcessor.Halt(); Assert.IsTrue(task.Wait(TimeSpan.FromSeconds(2))); }