public void ShouldAlwaysHalt()
{
var waitStrategy = new BusySpinWaitStrategy();
var sequencer = new SingleProducerSequencer(8, waitStrategy);
var barrier = ProcessingSequenceBarrierFactory.Create(sequencer, waitStrategy, new Sequence(-1), new Sequence[0]);
var dp = new DummyDataProvider <object>();
var h1 = new LifeCycleHandler();
var p1 = CreateBatchEventProcessor(dp, barrier, h1);
var t1 = new Thread(p1.Run);
p1.Halt();
t1.Start();
Assert.IsTrue(h1.WaitStart(TimeSpan.FromSeconds(2)));
Assert.IsTrue(h1.WaitShutdown(TimeSpan.FromSeconds(2)));
for (int i = 0; i < 1000; i++)
{
var h2 = new LifeCycleHandler();
var p2 = CreateBatchEventProcessor(dp, barrier, h2);
var t2 = new Thread(p2.Run);
t2.Start();
p2.Halt();
Assert.IsTrue(h2.WaitStart(TimeSpan.FromSeconds(2)));
Assert.IsTrue(h2.WaitShutdown(TimeSpan.FromSeconds(2)));
}
for (int i = 0; i < 1000; i++)
{
var h2 = new LifeCycleHandler();
var p2 = CreateBatchEventProcessor(dp, barrier, h2);
var t2 = new Thread(p2.Run);
t2.Start();
Thread.Yield();
p2.Halt();
Assert.IsTrue(h2.WaitStart(TimeSpan.FromSeconds(2)));
Assert.IsTrue(h2.WaitShutdown(TimeSpan.FromSeconds(2)));
}
}
public void ShouldAlwaysHalt()
{
var waitStrategy = new BusySpinWaitStrategy();
var sequencer = new SingleProducerSequencer(8, waitStrategy);
var barrier = new SequenceBarrier(sequencer, waitStrategy, new Sequence(-1), new Sequence[0]);
var dp = new ArrayValueDataProvider <long>(sequencer.BufferSize);
var h1 = new LifeCycleHandler();
var p1 = CreateEventProcessor(dp, barrier, h1);
p1.Halt();
p1.Start();
Assert.IsTrue(h1.WaitStart(TimeSpan.FromSeconds(2)));
Assert.IsTrue(h1.WaitShutdown(TimeSpan.FromSeconds(2)));
for (int i = 0; i < 1000; i++)
{
var h2 = new LifeCycleHandler();
var p2 = CreateEventProcessor(dp, barrier, h2);
p2.Start();
p2.Halt();
Assert.IsTrue(h2.WaitStart(TimeSpan.FromSeconds(2)));
Assert.IsTrue(h2.WaitShutdown(TimeSpan.FromSeconds(2)));
}
for (int i = 0; i < 1000; i++)
{
var h2 = new LifeCycleHandler();
var p2 = CreateEventProcessor(dp, barrier, h2);
p2.Start();
Thread.Yield();
p2.Halt();
Assert.IsTrue(h2.WaitStart(TimeSpan.FromSeconds(2)));
Assert.IsTrue(h2.WaitShutdown(TimeSpan.FromSeconds(2)));
}
}
public void StartProcessing()
{
// Check the processing started flag.
if (IsProcessing)
{
throw new InvalidOperationException(Resources.Strings.AsyncQueueStartError);
}
_claimStrategy = ClaimStrategy;
_waitStrategy = WaitStrategy;
_bufferSize = Math.Max(128, BufferSize);
// Reset asynchronous queue size.
Interlocked.Exchange(ref _asyncQueueSize, 0);
IClaimStrategy disruptorClaimStrategy;
switch (_claimStrategy)
{
case ClaimStrategyType.SingleThreaded:
disruptorClaimStrategy = new SingleThreadedClaimStrategy(_bufferSize);
break;
case ClaimStrategyType.MultiThreaded:
disruptorClaimStrategy = new MultiThreadedClaimStrategy(_bufferSize);
break;
case ClaimStrategyType.MultiThreadedLowContention:
disruptorClaimStrategy = new MultiThreadedLowContentionClaimStrategy(_bufferSize);
break;
default:
disruptorClaimStrategy = new MultiThreadedClaimStrategy(_bufferSize);
break;
}
IWaitStrategy disruptorWaitStrategy;
switch (_waitStrategy)
{
case WaitStrategyType.Blocking:
disruptorWaitStrategy = new BlockingWaitStrategy();
break;
case WaitStrategyType.BusySpin:
disruptorWaitStrategy = new BusySpinWaitStrategy();
break;
case WaitStrategyType.Sleeping:
disruptorWaitStrategy = new SleepingWaitStrategy();
break;
case WaitStrategyType.Yielding:
disruptorWaitStrategy = new YieldingWaitStrategy();
break;
default:
disruptorWaitStrategy = new YieldingWaitStrategy();
break;
}
// Initialize processing consumer.
_processingConsumer = new ProcessingConsumer(this);
// Initialize processing disruptor.
_processingDisruptor = new Disruptor <ValueEntry>(() => new ValueEntry(), disruptorClaimStrategy, disruptorWaitStrategy, TaskScheduler.Default);
_processingDisruptor.HandleEventsWith(_processingConsumer);
// Create ring buffer.
_processingRingBuffer = _processingDisruptor.Start();
// Set the processing started flag.
IsProcessing = true;
// Rise asynchronous processing start event.
HandleStart();
}
