public async Task ShouldBuildDisruptor()
{
var ringBuffer = RingBuffer <Event> .CreateSingleProducer(() => new Event(100), 16384, new BlockingWaitStrategy());
var executor = new BasicExecutor(TaskScheduler.Default);
var consumerRepository = new ConsumerRepository();
var handlerA = new EventHandlerA();
var handlerABarrier = ringBuffer.NewBarrier(new ISequence[0]);
var handlerAEventProcessor = new EventProcessor <Event>(ringBuffer, handlerABarrier, handlerA);
consumerRepository.Add(handlerAEventProcessor, handlerA, handlerABarrier);
var handlerB = new CleanerHandler();
var handlerBBarrier = ringBuffer.NewBarrier(new ISequence[] { handlerAEventProcessor.Sequence });
var handlerBEventProcessor = new EventProcessor <Event>(ringBuffer, handlerBBarrier, handlerB);
consumerRepository.Add(handlerBEventProcessor, handlerB, handlerBBarrier);
foreach (var consumerInfo in consumerRepository)
{
consumerInfo.Start(executor);
}
var next = ringBuffer.Next();
var ev = ringBuffer[next];
ringBuffer.Publish(next);
await Task.Delay(50);
Assert.AreEqual(2, ev.Counter);
Assert.AreEqual(0, ev.Data.Sum(i => i));
}
public async Task ShouldUseRingBuffer()
{
var ringBuffer = RingBuffer <Event> .CreateSingleProducer(() => new Event(100), 16384, new BlockingWaitStrategy());
var handlerA = new EventHandlerA();
var handlerABarrier = ringBuffer.NewBarrier(new ISequence[0]);
var handlerASequence = new Sequence();
var handlerB = new CleanerHandler();
var handlerBBarrier = ringBuffer.NewBarrier(new ISequence[] { handlerASequence });
var next = ringBuffer.Next();
var ev = ringBuffer[next];
Task.Run(() =>
{
var sequence = handlerABarrier.WaitFor(next);
handlerA.OnEvent(ev, sequence, true);
handlerASequence.SetValue(sequence);
sequence = handlerBBarrier.WaitFor(next);
handlerB.OnEvent(ev, sequence, true);
});
ringBuffer.Publish(next);
await Task.Delay(50);
Assert.AreEqual(2, ev.Counter);
Assert.AreEqual(0, ev.Data.Sum(i => i));
}