public void StubFiberPendingTasksShouldAllowEnqueueOfCommandsWhenExecutingAllPending()
{
var sut = new StubFiber {
ExecutePendingImmediately = false
};
var fired1 = new object();
var fired2 = new object();
var fired3 = new object();
var actionMarkers = new List <object>();
Action command1 = delegate
{
actionMarkers.Add(fired1);
sut.Enqueue(() => actionMarkers.Add(fired3));
};
Action command2 = () => actionMarkers.Add(fired2);
sut.Enqueue(command1);
sut.Enqueue(command2);
sut.ExecuteAllPendingUntilEmpty();
Assert.AreEqual(new[] { fired1, fired2, fired3 }, actionMarkers.ToArray());
}
public void TestTwoFibers()
{
FiberTester.TestPubSubWExtraFiber(ThreadFiber.StartNew(), ThreadFiber.StartNew());
FiberTester.TestPubSubWExtraFiber(PoolFiber.StartNew(), ThreadFiber.StartNew());
FiberTester.TestPubSubWExtraFiber(PoolFiber.StartNew(), PoolFiber.StartNew());
FiberTester.TestPubSubWExtraFiber(PoolFiber.StartNew(), StubFiber.StartNew());
}
public void ShouldCompletelyClearPendingActionsBeforeExecutingNewActions()
{
var msgs = new List <int>();
var sut = new StubFiber {
ExecutePendingImmediately = true
};
var channel = new Channel <int>();
const int count = 4;
channel.Subscribe(sut, delegate(int x)
{
if (x == count)
{
return;
}
channel.Publish(x + 1);
msgs.Add(x);
});
channel.Publish(0);
Assert.AreEqual(count, msgs.Count);
for (var i = 0; i < msgs.Count; i++)
{
Assert.AreEqual(i, msgs[i]);
}
}
public IFiber Build()
{
if (_executor == null)
{
_executor = new Executor();
}
IFiber fiber;
switch (_type)
{
case FiberType.Thread:
fiber = new ThreadFiber(_executor, new TimerScheduler(), _queue, _name, true, _priority);
break;
case FiberType.Pool:
fiber = new PoolFiber(_executor);
break;
case FiberType.Stub:
fiber = new StubFiber(_executor);
break;
default:
throw new ArgumentOutOfRangeException();
}
return(fiber);
}
public AsyncReqReplyServiceSpecs()
{
Reply = string.Empty;
Replied = new ManualResetEvent(false);
Console.WriteLine("Start client fiber");
Func <byte[], string> unmarshaller = x => Encoding.Unicode.GetString(x);
Func <string, byte[]> marshaller = x => Encoding.Unicode.GetBytes(x);
ServerFiber = PoolFiber.StartNew();
ServerContext = NetMQContext.Create();
Service = new AsyncRequestHandlerSocket <string, string>(ServerContext,
"tcp://localhost:9997",
unmarshaller,
marshaller);
Service.SetRequestHandler(ServerFiber, request => request.Reply(request.Request.ToUpper()));
Console.WriteLine("Start service");
ClientFiber = StubFiber.StartNew();
ClientContext = NetMQContext.Create();
Client = new AsyncRequestSocket <string, string>(ClientContext,
"tcp://localhost:9997",
marshaller,
unmarshaller);
Console.WriteLine("Start client");
}
public void TestBatching()
{
FiberTester.TestBatching(ThreadFiber.StartNew());
FiberTester.TestBatching(PoolFiber.StartNew());
FiberTester.TestBatching(StubFiber.StartNew());
FiberTester.TestBatchingWithKey(ThreadFiber.StartNew());
FiberTester.TestBatchingWithKey(PoolFiber.StartNew());
FiberTester.TestBatchingWithKey(StubFiber.StartNew());
}
public RequestSocket(NetMQContext context,
string address,
Func <TRequest, byte[]> requestMarshaller,
Func <byte[], TReply> replyUnmarshaller)
{
_requestMarshaller = requestMarshaller;
_replyUnmarshaller = replyUnmarshaller;
_socket = context.CreateSocket(ZmqSocketType.Req);
_socket.Connect(address);
_internalChannel.SetRequestHandler(StubFiber.StartNew(), InternalSendRequest);
}
public void Cancel()
{
int executionCount = 0;
Action action = () => executionCount++;
var timer = new TimerAction(StubFiber.StartNew(), action, TimeSpan.FromMilliseconds(2));
Thread.Sleep(100);
Assert.AreEqual(1, executionCount);
timer.Dispose();
Thread.Sleep(150);
Assert.AreEqual(1, executionCount);
}
public void CanSubscribeToEvent()
{
bool triggered = false;
var stub = StubFiber.StartNew();
var evt = new EventTester();
var dispose = stub.SubscribeToEvent <object>(evt, "Event", x => triggered = true);
Assert.IsTrue(evt.IsAttached);
evt.Invoke();
Assert.IsTrue(triggered);
dispose.Dispose();
Assert.IsFalse(evt.IsAttached);
}
public void CanSubscribeToEvent()
{
bool triggered = false;
StubFiber stub = new StubFiber();
EventTester evt = new EventTester();
IDisposable dispose = stub.SubscribeToEvent(evt, "Event", () => triggered = true);
Assert.IsTrue(evt.IsAttached);
evt.Invoke();
Assert.IsTrue(triggered);
dispose.Dispose();
Assert.IsFalse(evt.IsAttached);
}
public void Offline()
{
var fiber = new StubFiber();
fiber.ExecutePendingImmediately = false;
var queue = new HttpRequestQueue();
queue.MaxConcurrentRequests = 2;
queue.ReconnectInterval = TimeSpan.FromMilliseconds(500);
var state = new RequestState();
var state2 = new RequestState();
var state3 = new RequestState();
queue.Enqueue("http://localhost:8080?func=Forbidden", this.ResponseCallBack, state);
queue.Enqueue("http://localhost:8080?func=Forbidden", this.ResponseCallBack, state2);
queue.Enqueue("http://localhost:8080?func=Forbidden", this.ResponseCallBack, state3);
Assert.IsTrue(state.ResetEvent.WaitOne(TimeOutMilliseconds));
Assert.AreEqual(HttpRequestQueueResultCode.Error, state.Result);
Assert.IsTrue(state2.ResetEvent.WaitOne(TimeOutMilliseconds));
Assert.AreEqual(HttpRequestQueueResultCode.Offline, state2.Result);
Assert.IsTrue(state3.ResetEvent.WaitOne(TimeOutMilliseconds));
Assert.AreEqual(HttpRequestQueueResultCode.Offline, state3.Result);
Assert.AreEqual(HttpRequestQueueState.Offline, queue.QueueState);
state = new RequestState();
queue.Enqueue("http://localhost:8080", this.ResponseCallBack, state);
Assert.IsTrue(state.ResetEvent.WaitOne(TimeOutMilliseconds));
Assert.AreEqual(HttpRequestQueueResultCode.Offline, state.Result);
Assert.AreEqual(HttpRequestQueueState.Offline, queue.QueueState);
Thread.Sleep(750);
state = new RequestState();
state2 = new RequestState();
queue.Enqueue("http://localhost:8080", this.ResponseCallBack, state);
queue.Enqueue("http://localhost:8080", this.ResponseCallBack, state2);
Assert.IsTrue(state.ResetEvent.WaitOne(TimeOutMilliseconds));
Assert.AreEqual(HttpRequestQueueResultCode.Success, state.Result);
Assert.IsTrue(state2.ResetEvent.WaitOne(TimeOutMilliseconds));
Assert.AreEqual(HttpRequestQueueResultCode.Offline, state2.Result);
Assert.AreEqual(HttpRequestQueueState.Running, queue.QueueState);
}
public void PipelineTest1()
{
string value = null;
int tvalue = 0;
IStage <double, string> pipeline = new Stage <double, int>(d => (int)d)
.Tap(i => tvalue = i)
.Select(i => (i * 10).ToString());
StubFiber stub = new StubFiber();
pipeline.Subscribe(stub, s => value = s);
pipeline.Publish(1.3);
Thread.Sleep(100);
Assert.AreEqual("10", value);
Assert.AreEqual(1, tvalue);
}
public void ChannelSubscription()
{
var fiber = StubFiber.StartNew();
var channel = new Channel <int>();
fiber.Subscribe(channel, i => { });
Assert.AreEqual(true, channel.HasSubscriptions());
fiber.Dispose();
Assert.AreEqual(false, channel.HasSubscriptions());
var sub = fiber.Subscribe(channel, i => { });
Assert.AreEqual(true, channel.HasSubscriptions());
sub.Dispose();
Assert.AreEqual(false, channel.HasSubscriptions());
}
public void PipelineTest1()
{
string value = null;
int tvalue = 0;
var stage1 = new Stage <double, int>(d => (int)d);
var stage2 = new Tee <int>(i => tvalue = i);
var stage3 = new Stage <int, string>(i => (i * 10).ToString());
var stub = StubFiber.StartNew();
var pipeline = stage1.To(stage2).To(stage3);
pipeline.Subscribe(stub, s => value = s);
stage1.Publish(1.3);
Thread.Sleep(10);
Assert.AreEqual("10", value);
Assert.AreEqual(1, tvalue);
}
public void CallbackFromIntervalTimerWithCancel()
{
int executionCount = 0;
Action action = () => executionCount++;
using (IFiber stubFiber = StubFiber.StartNew())
{
var timer = new TimerAction(stubFiber,
action,
TimeSpan.FromMilliseconds(2),
TimeSpan.FromMilliseconds(150));
Thread.Sleep(100);
Assert.AreEqual(1, executionCount);
timer.Dispose();
Thread.Sleep(150);
Assert.AreEqual(1, executionCount);
}
}
public void ShouldIncreaseStubFiberSubscriberCountByOne()
{
var fiber = new StubFiber();
fiber.Start();
var channel = new Channel <int>();
Assert.AreEqual(0, fiber.NumSubscriptions);
Assert.AreEqual(0, channel.NumSubscribers);
channel.Subscribe(fiber, x => { });
Assert.AreEqual(1, fiber.NumSubscriptions);
Assert.AreEqual(1, channel.NumSubscribers);
fiber.Dispose();
Assert.AreEqual(0, fiber.NumSubscriptions);
Assert.AreEqual(0, channel.NumSubscribers);
}
public void DisposeShouldClearAllLists()
{
var sut = new StubFiber();
var channel = new Channel <int>();
channel.Subscribe(sut, x => { });
sut.Schedule(() => { }, 1000);
channel.Publish(2);
Assert.AreEqual(1, sut.Subscriptions.Count);
Assert.AreEqual(1, sut.Scheduled.Count);
Assert.AreEqual(1, sut.Pending.Count);
sut.Dispose();
Assert.AreEqual(0, sut.Subscriptions.Count);
Assert.AreEqual(0, sut.Scheduled.Count);
Assert.AreEqual(0, sut.Pending.Count);
}
public void MaxConcurrentRequests()
{
const int requestCount = 10;
this.responseCount = 0;
var fiber = new StubFiber();
fiber.ExecutePendingImmediately = false;
var queue = new HttpRequestQueue(fiber);
queue.MaxConcurrentRequests = 2;
for (int i = 0; i < requestCount; i++)
{
queue.Enqueue("http://localhost:8080/", this.ResponseCallBack, null);
}
fiber.ExecuteAllPending();
Assert.AreEqual(1, queue.RunningRequestsCount);
Assert.AreEqual(requestCount - 1, queue.QueuedRequestCount);
var startTime = DateTime.UtcNow;
var time = TimeSpan.FromMilliseconds(TimeOutMilliseconds * requestCount);
while (this.responseCount < 10)
{
Assert.Less(DateTime.UtcNow.Subtract(startTime), time, "Received not all responses in the expected time");
if (this.responseCount > 0)
{
Assert.Less(queue.MaxConcurrentRequests, queue.MaxConcurrentRequests + 1);
}
fiber.ExecuteAllPending();
Thread.Sleep(50);
}
}
public void CallbackFromIntervalTimerWithCancel()
{
int executionCount = 0;
void Action()
{
executionCount++;
}
using (StubFiber stubFiber = new StubFiber())
{
TimerAction timer = new TimerAction(stubFiber,
Action,
TimeSpan.FromMilliseconds(2),
TimeSpan.FromMilliseconds(150));
Thread.Sleep(100);
Assert.AreEqual(1, executionCount);
timer.Dispose();
Thread.Sleep(150);
Assert.AreEqual(1, executionCount);
}
}
static void Main(string[] args)
{
//This example uses mutable messages, which require care. Normally you want to
//default to using immutable messages for each stage.
//Its possible to fan out certain stages to deal with the issue with pipelines only being
//as fast as the slowest stage. You can use a Queue channel say between stage1 and stage2 and then
//instantiate more than one stage2 processor.
var channels = new Channels();
using (var stage1 = new ConcurrentComponent <Payload, Payload>(new Stage1(new SomeService()), channels.Input, channels.Stage1To2, channels.Errors))
using (var stage2 = new ConcurrentComponent <Payload, Payload>(new Stage2(new SomeDataAccess()), channels.Stage1To2, channels.Output, channels.Errors))
using (var stub = StubFiber.StartNew())
{
channels.Output.Subscribe(stub, payload => Console.WriteLine("Got output"));
channels.Stage1To2.Subscribe(stub, payload => Console.WriteLine("Monitoring Stage1to2 channel saw a message"));
using (var timer = new ThreadSafeTimer())
{
timer.Schedule(() => channels.Input.Publish(new Payload()), TimeSpan.FromSeconds(2), TimeSpan.FromSeconds(2));
Console.WriteLine("Hit any key to stop");
Console.ReadKey();
}
}
}
public void ScheduledTasksShouldBeExecutedOnceScheduleIntervalShouldBeExecutedEveryTimeExecuteScheduleAllIsCalled()
{
var sut = new StubFiber();
var scheduleFired = 0;
var scheduleOnIntervalFired = 0;
sut.Schedule(() => scheduleFired++, 100);
var intervalSub = sut.ScheduleOnInterval(() => scheduleOnIntervalFired++, 100, 100);
sut.ExecuteAllScheduled();
Assert.AreEqual(1, scheduleFired);
Assert.AreEqual(1, scheduleOnIntervalFired);
sut.ExecuteAllScheduled();
Assert.AreEqual(1, scheduleFired);
Assert.AreEqual(2, scheduleOnIntervalFired);
intervalSub.Dispose();
sut.ExecuteAllScheduled();
Assert.AreEqual(1, scheduleFired);
Assert.AreEqual(2, scheduleOnIntervalFired);
}
public void MaxConcurrentRequests()
{
const int requestCount = 10;
this.responseCount = 0;
var fiber = new StubFiber();
fiber.ExecutePendingImmediately = false;
var queue = new HttpRequestQueue(fiber);
queue.MaxConcurrentRequests = 2;
for (int i = 0; i < requestCount; i++)
{
queue.Enqueue("http://localhost:8080/", this.ResponseCallBack, null);
}
fiber.ExecuteAllPending();
Assert.AreEqual(1, queue.RunningRequestsCount);
Assert.AreEqual(requestCount - 1, queue.QueuedRequestCount);
var startTime = DateTime.UtcNow;
var time = TimeSpan.FromMilliseconds(TimeOutMilliseconds * requestCount);
while (this.responseCount < 10)
{
Assert.Less(DateTime.UtcNow.Subtract(startTime), time, "Received not all responses in the expected time");
if (this.responseCount > 0)
{
Assert.Less(queue.MaxConcurrentRequests, queue.MaxConcurrentRequests + 1);
}
fiber.ExecuteAllPending();
Thread.Sleep(50);
}
}
public void InOrderExecution()
{
FiberTester.InOrderExecution(ThreadFiber.StartNew());
FiberTester.InOrderExecution(PoolFiber.StartNew());
FiberTester.InOrderExecution(StubFiber.StartNew());
}
public void TestPubSubSimple()
{
FiberTester.TestPubSubSimple(ThreadFiber.StartNew());
FiberTester.TestPubSubSimple(PoolFiber.StartNew());
FiberTester.TestPubSubSimple(StubFiber.StartNew());
}
public void Offline()
{
var fiber = new StubFiber();
fiber.ExecutePendingImmediately = false;
var queue = new HttpRequestQueue();
queue.MaxConcurrentRequests = 2;
queue.ReconnectInterval = TimeSpan.FromMilliseconds(500);
var state = new RequestState();
var state2 = new RequestState();
var state3 = new RequestState();
queue.Enqueue("http://localhost:8080?func=Forbidden", this.ResponseCallBack, state);
queue.Enqueue("http://localhost:8080?func=Forbidden", this.ResponseCallBack, state2);
queue.Enqueue("http://localhost:8080?func=Forbidden", this.ResponseCallBack, state3);
Assert.IsTrue(state.ResetEvent.WaitOne(TimeOutMilliseconds));
Assert.AreEqual(HttpRequestQueueResultCode.Error, state.Result);
Assert.IsTrue(state2.ResetEvent.WaitOne(TimeOutMilliseconds));
Assert.AreEqual(HttpRequestQueueResultCode.Offline, state2.Result);
Assert.IsTrue(state3.ResetEvent.WaitOne(TimeOutMilliseconds));
Assert.AreEqual(HttpRequestQueueResultCode.Offline, state3.Result);
Assert.AreEqual(HttpRequestQueueState.Offline, queue.QueueState);
state = new RequestState();
queue.Enqueue("http://localhost:8080", this.ResponseCallBack, state);
Assert.IsTrue(state.ResetEvent.WaitOne(TimeOutMilliseconds));
Assert.AreEqual(HttpRequestQueueResultCode.Offline, state.Result);
Assert.AreEqual(HttpRequestQueueState.Offline, queue.QueueState);
Thread.Sleep(750);
state = new RequestState();
state2 = new RequestState();
queue.Enqueue("http://localhost:8080", this.ResponseCallBack, state);
queue.Enqueue("http://localhost:8080", this.ResponseCallBack, state2);
Assert.IsTrue(state.ResetEvent.WaitOne(TimeOutMilliseconds));
Assert.AreEqual(HttpRequestQueueResultCode.Success, state.Result);
Assert.IsTrue(state2.ResetEvent.WaitOne(TimeOutMilliseconds));
Assert.AreEqual(HttpRequestQueueResultCode.Offline, state2.Result);
Assert.AreEqual(HttpRequestQueueState.Running, queue.QueueState);
}
public void TestPubSubWithFilter()
{
FiberTester.TestPubSubWithFilter(ThreadFiber.StartNew());
FiberTester.TestPubSubWithFilter(PoolFiber.StartNew());
FiberTester.TestPubSubWithFilter(StubFiber.StartNew());
}
public void TestReqReply()
{
FiberTester.TestReqReply1(ThreadFiber.StartNew());
FiberTester.TestReqReply1(PoolFiber.StartNew());
FiberTester.TestReqReply1(StubFiber.StartNew());
}