public void WaitForIdleOnSTPThreadForAnotherWorkItemsGroup()
{
STP smartThreadPool = new STP(10 * 1000, 25, 0);
IWorkItemsGroup workItemsGroup1 = smartThreadPool.CreateWorkItemsGroup(int.MaxValue);
IWorkItemsGroup workItemsGroup2 = smartThreadPool.CreateWorkItemsGroup(int.MaxValue);
workItemsGroup1.QueueWorkItem(
new WorkItemCallback(this.DoSomeWork),
1000);
workItemsGroup1.QueueWorkItem(
new WorkItemCallback(this.DoSomeWork),
1000);
IWorkItemResult wir = workItemsGroup2.QueueWorkItem(
new WorkItemCallback(this.DoWaitForIdle),
workItemsGroup1);
Exception e;
wir.GetResult(out e);
smartThreadPool.Shutdown();
Assert.IsNull(e);
}
/// <summary>
/// Example of how to use the post execute callback
/// </summary>
private bool DoTestDefaultPostExecute(CallToPostExecute callToPostExecute, bool answer)
{
STPStartInfo stpStartInfo = new STPStartInfo
{
CallToPostExecute = callToPostExecute,
PostExecuteWorkItemCallback = new PostExecuteWorkItemCallback(this.DoSomePostExecuteWork)
};
STP smartThreadPool = new STP(stpStartInfo);
bool success = false;
PostExecuteResult postExecuteResult = new PostExecuteResult();
IWorkItemResult wir =
smartThreadPool.QueueWorkItem(
new WorkItemCallback(this.DoSomeWork),
postExecuteResult);
if (!wir.IsCompleted)
{
int result = (int)wir.GetResult();
success = (1 == result);
success = success && (postExecuteResult.wh.WaitOne(1000, true) == answer);
}
smartThreadPool.Shutdown();
return(success);
}
/// <summary>
/// Example of how to use the post execute callback
/// </summary>
private bool DoTestPostExecute(CallToPostExecute callToPostExecute, bool answer)
{
STP smartThreadPool = new STP();
IWorkItemsGroup workItemsGroup = smartThreadPool.CreateWorkItemsGroup(int.MaxValue);
bool success = false;
PostExecuteResult postExecuteResult = new PostExecuteResult();
IWorkItemResult wir =
workItemsGroup.QueueWorkItem(
new WorkItemCallback(this.DoSomeWork),
postExecuteResult,
new PostExecuteWorkItemCallback(this.DoSomePostExecuteWork),
callToPostExecute);
if (!wir.IsCompleted)
{
int result = (int)wir.GetResult();
success = (1 == result);
success = success && (postExecuteResult.wh.WaitOne(1000, true) == answer);
}
smartThreadPool.Shutdown();
return(success);
}
public void DontDisposeCallerState()
{
STP smartThreadPool = new STP();
WIGStartInfo wigStartInfo = new WIGStartInfo();
wigStartInfo.DisposeOfStateObjects = false;
IWorkItemsGroup workItemsGroup = smartThreadPool.CreateWorkItemsGroup(int.MaxValue, wigStartInfo);
CallerState nonDisposableCallerState = new NonDisposableCallerState();
CallerState disposableCallerState = new DisposableCallerState();
IWorkItemResult wir1 =
workItemsGroup.QueueWorkItem(
new WorkItemCallback(this.DoSomeWork),
nonDisposableCallerState);
IWorkItemResult wir2 =
workItemsGroup.QueueWorkItem(
new WorkItemCallback(this.DoSomeWork),
disposableCallerState);
wir1.GetResult();
bool success = (1 == nonDisposableCallerState.Value);
wir2.GetResult();
success = success && (1 == disposableCallerState.Value);
smartThreadPool.Shutdown();
Assert.IsTrue(success);
}
public void TestWIGConcurrencyChange()
{
STP smartThreadPool = new STP(10 * 1000, 25, 0);
IWorkItemsGroup wig = smartThreadPool.CreateWorkItemsGroup(smartThreadPool.MaxThreads);
bool success = false;
for (int i = 0; i < 100; ++i)
{
wig.QueueWorkItem(new WorkItemCallback(this.DoSomeLongWork), null);
}
wig.Concurrency = 1;
success = WaitForWIGThreadsInUse(wig, 1, 1 * 1000);
Assert.IsTrue(success);
wig.Concurrency = 5;
success = WaitForWIGThreadsInUse(wig, 5, 2 * 1000);
Assert.IsTrue(success);
wig.Concurrency = 25;
success = WaitForWIGThreadsInUse(wig, 25, 4 * 1000);
Assert.IsTrue(success);
wig.Concurrency = 10;
success = WaitForWIGThreadsInUse(wig, 10, 10 * 1000);
Assert.IsTrue(success);
smartThreadPool.Shutdown();
}
public void WorkItemWaitCanceling()
{
Assert.ThrowsException <WorkItemTimeoutException>(() =>
{
STP smartThreadPool = new STP();
ManualResetEvent cancelWaitHandle = new ManualResetEvent(false);
// Queue a work item that will occupy the thread in the pool
IWorkItemResult wir1 =
smartThreadPool.QueueWorkItem(new WorkItemCallback(this.DoSomeWork), null);
// Queue another work item that will wait for the first to complete
IWorkItemResult wir2 =
smartThreadPool.QueueWorkItem(new WorkItemCallback(this.SignalCancel), cancelWaitHandle);
try
{
wir1.GetResult(System.Threading.Timeout.Infinite, true, cancelWaitHandle);
}
finally
{
smartThreadPool.Shutdown();
}
});
}
public void WorkItemWaitCanceling()
{
STP smartThreadPool = new STP();
IWorkItemsGroup workItemsGroup = smartThreadPool.CreateWorkItemsGroup(int.MaxValue);
ManualResetEvent cancelWaitHandle = new ManualResetEvent(false);
bool success = false;
// Queue a work item that will occupy the thread in the pool
IWorkItemResult wir1 =
workItemsGroup.QueueWorkItem(new WorkItemCallback(this.DoSomeWork), null);
// Queue another work item that will wait for the first to complete
IWorkItemResult wir2 =
workItemsGroup.QueueWorkItem(new WorkItemCallback(this.SignalCancel), cancelWaitHandle);
try
{
wir1.GetResult(System.Threading.Timeout.Infinite, true, cancelWaitHandle);
}
catch (WorkItemTimeoutException)
{
success = true;
}
smartThreadPool.Shutdown();
Assert.IsTrue(success);
}
public void WaitAny()
{
STP smartThreadPool = new STP();
IWorkItemsGroup workItemsGroup = smartThreadPool.CreateWorkItemsGroup(int.MaxValue);
bool success = false;
IWorkItemResult[] wirs = new IWorkItemResult[5];
for (int i = 0; i < wirs.Length; ++i)
{
wirs[i] =
workItemsGroup.QueueWorkItem(new WorkItemCallback(this.DoSomeWork), null);
}
int index = STP.WaitAny(wirs);
if (wirs[index].IsCompleted)
{
int result = (int)wirs[index].GetResult();
if (1 == result)
{
success = true;
}
}
smartThreadPool.Shutdown();
Assert.IsTrue(success);
}
public void TestWIGConcurrencyChange2WIGs()
{
STP smartThreadPool = new STP(10 * 1000, 2, 0);
Assert.IsTrue(0 == smartThreadPool.WaitingCallbacks);
PauseSTP(smartThreadPool);
PauseSTP(smartThreadPool);
Thread.Sleep(100);
Assert.IsTrue(0 == smartThreadPool.WaitingCallbacks);
IWorkItemsGroup wig1 = smartThreadPool.CreateWorkItemsGroup(1);
IWorkItemsGroup wig2 = smartThreadPool.CreateWorkItemsGroup(1);
wig1.QueueWorkItem(new WorkItemCallback(this.DoSomeWork), null);
Assert.IsTrue(1 == smartThreadPool.WaitingCallbacks);
wig2.QueueWorkItem(new WorkItemCallback(this.DoSomeWork), null);
Assert.IsTrue(2 == smartThreadPool.WaitingCallbacks);
wig1.QueueWorkItem(new WorkItemCallback(this.DoSomeWork), null);
Assert.IsTrue(2 == smartThreadPool.WaitingCallbacks);
wig2.QueueWorkItem(new WorkItemCallback(this.DoSomeWork), null);
Assert.IsTrue(2 == smartThreadPool.WaitingCallbacks);
wig1.Concurrency = 2;
Thread.Sleep(100);
Assert.IsTrue(3 == smartThreadPool.WaitingCallbacks);
wig2.Concurrency = 2;
Thread.Sleep(100);
Assert.IsTrue(4 == smartThreadPool.WaitingCallbacks);
ResumeSTP(smartThreadPool);
Thread.Sleep(100);
Assert.IsTrue(0 == smartThreadPool.WaitingCallbacks);
PauseSTP(smartThreadPool);
PauseSTP(smartThreadPool);
Thread.Sleep(100);
wig1.Concurrency = 1;
wig1.QueueWorkItem(new WorkItemCallback(this.DoSomeWork), null);
Assert.IsTrue(1 == smartThreadPool.WaitingCallbacks);
wig2.QueueWorkItem(new WorkItemCallback(this.DoSomeWork), null);
Assert.IsTrue(2 == smartThreadPool.WaitingCallbacks);
ResumeSTP(smartThreadPool);
Thread.Sleep(100);
Assert.IsTrue(0 == smartThreadPool.WaitingCallbacks);
smartThreadPool.Shutdown();
}
public void GoodCallback()
{
STP smartThreadPool = new STP();
IWorkItemsGroup workItemsGroup = smartThreadPool.CreateWorkItemsGroup(int.MaxValue);
workItemsGroup.QueueWorkItem(new WorkItemCallback(DoWork));
workItemsGroup.WaitForIdle();
smartThreadPool.Shutdown();
}
public void WaitForIdleEvent()
{
STP smartThreadPool = new STP();
IWorkItemsGroup workItemsGroup = smartThreadPool.CreateWorkItemsGroup(1);
ManualResetEvent wigIsIdle = new ManualResetEvent(false);
workItemsGroup.OnIdle += wig => wigIsIdle.Set();
workItemsGroup.QueueWorkItem(() => { });
bool eventFired = wigIsIdle.WaitOne(100, true);
smartThreadPool.Shutdown();
Assert.IsTrue(eventFired);
}
public void ChainedDelegatesCallback()
{
Assert.ThrowsException <NotSupportedException>(() =>
{
STP smartThreadPool = new STP();
IWorkItemsGroup workItemsGroup = smartThreadPool.CreateWorkItemsGroup(int.MaxValue);
WorkItemCallback workItemCallback = new WorkItemCallback(DoWork);
workItemCallback += new WorkItemCallback(DoWork);
workItemsGroup.QueueWorkItem(workItemCallback);
workItemsGroup.WaitForIdle();
smartThreadPool.Shutdown();
});
}
private void Concurrency(
int concurrencyPerWig,
int wigsCount,
int workItemsCount)
{
Console.WriteLine(
"Testing : concurrencyPerWig = {0}, wigsCount = {1}, workItemsCount = {2}",
concurrencyPerWig,
wigsCount,
workItemsCount);
_success = true;
_concurrencyPerWig = concurrencyPerWig;
_randGen = new Random(0);
STPStartInfo stpStartInfo = new STPStartInfo
{
StartSuspended = true
};
STP stp = new STP(stpStartInfo);
_concurrentOps = new int[wigsCount];
IWorkItemsGroup[] wigs = new IWorkItemsGroup[wigsCount];
for (int i = 0; i < wigs.Length; ++i)
{
wigs[i] = stp.CreateWorkItemsGroup(_concurrencyPerWig);
for (int j = 0; j < workItemsCount; ++j)
{
wigs[i].QueueWorkItem(new WorkItemCallback(this.DoWork), i);
}
wigs[i].Start();
}
stp.Start();
stp.WaitForIdle();
Assert.IsTrue(_success);
stp.Shutdown();
}
public void WaitForIdleWithCancel()
{
STP smartThreadPool = new STP(10 * 1000, 1, 1);
IWorkItemsGroup workItemsGroup = smartThreadPool.CreateWorkItemsGroup(2);
_x = 0;
IWorkItemResult wir1 = workItemsGroup.QueueWorkItem(new WorkItemCallback(this.DoSomeWork), 1000);
IWorkItemResult wir2 = workItemsGroup.QueueWorkItem(new WorkItemCallback(this.DoSomeWork), 1000);
IWorkItemResult wir3 = workItemsGroup.QueueWorkItem(new WorkItemCallback(this.DoSomeWork), 1000);
while (0 == _x)
{
Thread.Sleep(10);
}
Console.WriteLine("{0}: Cancelling WIG", DateTime.Now.ToLongTimeString());
workItemsGroup.Cancel();
// At this point:
// The first work item is running
// The second work item is cancelled, but waits in the STP queue
// The third work item is cancelled.
Assert.AreEqual(1, _x);
Assert.IsTrue(wir2.IsCanceled);
Assert.IsTrue(wir3.IsCanceled);
// Make sure the workItemsGroup is still idle
Assert.IsFalse(workItemsGroup.IsIdle);
Console.WriteLine("{0}: Waiting for 1st result", DateTime.Now.ToLongTimeString());
wir1.GetResult();
Assert.AreEqual(2, _x);
bool isIdle = workItemsGroup.WaitForIdle(100);
Assert.IsTrue(isIdle);
smartThreadPool.Shutdown();
}
public void BlockingCall()
{
STP smartThreadPool = new STP();
bool success = false;
IWorkItemResult wir =
smartThreadPool.QueueWorkItem(new WorkItemCallback(this.DoSomeWork), null);
if (!wir.IsCompleted)
{
int result = (int)wir.GetResult();
success = (1 == result);
}
smartThreadPool.Shutdown();
Assert.IsTrue(success);
}
public void Timeout()
{
Assert.ThrowsException <WorkItemTimeoutException>(() =>
{
STP smartThreadPool = new STP();
IWorkItemResult wir =
smartThreadPool.QueueWorkItem(new WorkItemCallback(this.DoSomeWork), null);
try
{
wir.GetResult(500, true);
}
finally
{
smartThreadPool.Shutdown();
}
});
}
public void WaitAllWithTimeoutFailure()
{
STP smartThreadPool = new STP();
IWorkItemsGroup workItemsGroup = smartThreadPool.CreateWorkItemsGroup(int.MaxValue);
IWorkItemResult[] wirs = new IWorkItemResult[5];
for (int i = 0; i < wirs.Length; ++i)
{
wirs[i] =
workItemsGroup.QueueWorkItem(new WorkItemCallback(this.DoSomeWork), null);
}
bool timeout = !STP.WaitAll(wirs, 10, true);
bool success = timeout;
smartThreadPool.Shutdown();
Assert.IsTrue(success);
}
public void WaitForIdle()
{
STP smartThreadPool = new STP(10 * 1000, 25, 0);
IWorkItemsGroup workItemsGroup = smartThreadPool.CreateWorkItemsGroup(int.MaxValue);
ManualResetEvent isRunning = new ManualResetEvent(false);
for (int i = 0; i < 4; ++i)
{
workItemsGroup.QueueWorkItem(delegate { isRunning.WaitOne(); });
}
bool success = !workItemsGroup.WaitForIdle(1000);
isRunning.Set();
success = success && workItemsGroup.WaitForIdle(1000);
smartThreadPool.Shutdown();
Assert.IsTrue(success);
}
public void WaitAnyWithTimeoutSuccess()
{
STP smartThreadPool = new STP();
IWorkItemsGroup workItemsGroup = smartThreadPool.CreateWorkItemsGroup(int.MaxValue);
bool success;
IWorkItemResult[] wirs = new IWorkItemResult[5];
for (int i = 0; i < wirs.Length; ++i)
{
wirs[i] =
workItemsGroup.QueueWorkItem(new WorkItemCallback(this.DoSomeWork), null);
}
int index = STP.WaitAny(wirs, 1500, true);
success = (index != WaitHandle.WaitTimeout);
smartThreadPool.Shutdown();
Assert.IsTrue(success);
}
public void Timeout()
{
STP smartThreadPool = new STP();
IWorkItemsGroup workItemsGroup = smartThreadPool.CreateWorkItemsGroup(int.MaxValue);
bool success = false;
IWorkItemResult wir =
workItemsGroup.QueueWorkItem(new WorkItemCallback(this.DoSomeWork), null);
try
{
wir.GetResult(500, true);
}
catch (WorkItemTimeoutException)
{
success = true;
}
smartThreadPool.Shutdown();
Assert.IsTrue(success);
}
/// <summary>
/// Example of how to queue a work item and then cancel it while it is in the queue.
/// </summary>
private bool DoTestPostExecuteWithCancel(CallToPostExecute callToPostExecute, bool answer)
{
// Create a STP with only one thread.
// It just to show how to use the work item canceling feature
STP smartThreadPool = new STP();
IWorkItemsGroup workItemsGroup = smartThreadPool.CreateWorkItemsGroup(1);
bool success = false;
PostExecuteResult postExecuteResult = new PostExecuteResult();
// Queue a work item that will occupy the thread in the pool
workItemsGroup.QueueWorkItem(
new WorkItemCallback(this.DoSomeWork),
null);
// Queue another work item that will wait for the first to complete
IWorkItemResult wir =
workItemsGroup.QueueWorkItem(
new WorkItemCallback(this.DoSomeWork),
postExecuteResult,
new PostExecuteWorkItemCallback(this.DoSomePostExecuteWork),
callToPostExecute);
// Wait a while for the thread pool to start executing the first work item
Thread.Sleep(100);
// Cancel the second work item while it still in the queue
if (wir.Cancel())
{
success = (postExecuteResult.wh.WaitOne(1000, true) == answer);
}
smartThreadPool.Shutdown();
return(success);
}
public void DisposeCallerState()
{
STP smartThreadPool = new STP();
WIGStartInfo wigStartInfo = new WIGStartInfo();
wigStartInfo.DisposeOfStateObjects = true;
IWorkItemsGroup workItemsGroup = smartThreadPool.CreateWorkItemsGroup(int.MaxValue, wigStartInfo);
CallerState nonDisposableCallerState = new NonDisposableCallerState();
CallerState disposableCallerState = new DisposableCallerState();
IWorkItemResult wir1 =
workItemsGroup.QueueWorkItem(
new WorkItemCallback(this.DoSomeWork),
nonDisposableCallerState);
IWorkItemResult wir2 =
workItemsGroup.QueueWorkItem(
new WorkItemCallback(this.DoSomeWork),
disposableCallerState);
wir1.GetResult();
Assert.AreEqual(1, nonDisposableCallerState.Value);
wir2.GetResult();
// Wait a little bit for the working thread to call dispose on the
// work item's state.
workItemsGroup.WaitForIdle();
Assert.AreEqual(2, disposableCallerState.Value);
smartThreadPool.Shutdown();
}
public void Fini()
{
_stp.WaitForIdle();
_stp.Shutdown();
}
public void Fini()
{
_stp.Shutdown();
}