static async Task Main(string[] args)
{
Console.Title = "Load Generator";
var endpointConfiguration = new EndpointConfiguration("LoadGenerator");
endpointConfiguration.ApplyCommonNServiceBusConfiguration(enableMonitoring: false);
endpointConfiguration.SendOnly();
var endpoint = await Endpoint.Start(endpointConfiguration)
.ConfigureAwait(false);
Console.WriteLine("Press ▲/▼ arrows to increase/decrease messages per second");
Console.WriteLine("Press S to cause a spike of 25 messages");
Console.WriteLine("Press P to pause/unpause message sending");
Console.WriteLine("Press ESC key to exit");
var producer = new MessageProducer(endpoint);
var producerTask = producer.Run();
await UILoop(producer);
producer.Stop();
await producerTask;
await endpoint.Stop()
.ConfigureAwait(false);
}
public void RemoveWorkHandlerLostEventExample()
{
int eventSize = 8;
var countdownEvent = new CountdownEvent(eventSize);
var workSequence = new Sequence();
var disruptor = new Disruptor <StubEvent>(StubEvent.EventFactory, 4);
var ringBuffer = disruptor.Start();
var handler1 = new DynamicHandler(1, countdownEvent);
var processor1 = new WorkProcessor <StubEvent>(ringBuffer, ringBuffer.NewBarrier(), handler1, new FatalExceptionHandler(), workSequence);
var handler2 = new DynamicHandler(2, countdownEvent);
var processor2 = new WorkProcessor <StubEvent>(ringBuffer, ringBuffer.NewBarrier(), handler2, new FatalExceptionHandler(), workSequence);
ringBuffer.AddGatingSequences(processor1.Sequence);
Task.Run(() => processor1.Run());
ringBuffer.AddGatingSequences(processor2.Sequence);
Task.Run(() => processor2.Run());
handler1.AwaitStart();
handler2.AwaitStart();
Thread.Sleep(10);
// processor1 should own an unavailable work sequence
// => this sequence will be dropped by Halt
processor1.Halt();
var producer = new MessageProducer(disruptor, InitData(0, eventSize));
Task.Run(() => producer.Run());
producer.AwaitStart();
handler1.AwaitShutdown();
ringBuffer.RemoveGatingSequence(processor1.Sequence);
// countdownEvent should not reach zero because of the dropped sequence
var await = countdownEvent.Wait(TimeSpan.FromMilliseconds(500));
Assert.IsFalse(await);
}
public void RemoveWorkHandlerLaterTest()
{
var eventSize = 8;
var countdownEvent = new CountdownEvent(eventSize);
var workSequence = new Sequence();
var disruptor = new Disruptor <StubEvent>(StubEvent.EventFactory, 4);
var ringBuffer = disruptor.Start();
var handler1 = new DynamicHandler(1, countdownEvent);
var processor1 = new WorkProcessor <StubEvent>(ringBuffer, ringBuffer.NewBarrier(), handler1, new FatalExceptionHandler(), workSequence);
var handler2 = new DynamicHandler(2, countdownEvent);
var processor2 = new WorkProcessor <StubEvent>(ringBuffer, ringBuffer.NewBarrier(), handler2, new FatalExceptionHandler(), workSequence);
ringBuffer.AddGatingSequences(processor1.Sequence);
Task.Run(() => processor1.Run());
ringBuffer.AddGatingSequences(processor2.Sequence);
Task.Run(() => processor2.Run());
handler1.AwaitStart();
handler2.AwaitStart();
Thread.Sleep(10);
// processor1 should own an unavailable work sequence
// => this sequence should not be dropped by HaltLater
processor1.HaltLater();
var producer = new MessageProducer(disruptor, InitData(0, eventSize));
Task.Run(() => producer.Run());
producer.AwaitStart();
handler1.AwaitShutdown();
ringBuffer.RemoveGatingSequence(processor1.Sequence);
Assert.IsTrue(countdownEvent.Wait(TimeSpan.FromSeconds(3)));
}
