public void TestMaxStopTime()
{
QueuedThreadPool tp = new QueuedThreadPool();
tp.MinThreads = 500;
tp.MaxThreads = 1000;
tp.MaxStopTimeMs = 500;
tp.Start();
// dispatch jobs
for (int i = 0; i < 5000; i++)
{
tp.Dispatch(new ThreadStart(
() =>
{
//Log.Info("Running job with thread id " + System.Threading.Thread.CurrentThread.Name);
while (true)
{
try
{
System.Threading.Thread.Sleep(1000);
}
catch (ThreadInterruptedException){}
}
}
));
}
System.Threading.Thread.Sleep(100);
long beforeStop = (DateTime.UtcNow.Ticks/1000);
tp.Stop();
long afterStop = (DateTime.UtcNow.Ticks/1000);
Assert.IsTrue(tp.IsStopped);
Assert.Less(afterStop - beforeStop, 100000);
}
static void RunThreadPool()
{
QueuedThreadPool tp = new QueuedThreadPool();
tp.MaxStopTimeMs = 500;
tp.Start();
// dispatch jobs
for (int i = 0; i < 100; i++)
{
tp.Dispatch(new ThreadStart(
() =>
{
Log.Info("Running job with thread id " + System.Threading.Thread.CurrentThread.Name);
//while (true)
//{
try
{
System.Threading.Thread.Sleep(1000);
}
catch (ThreadInterruptedException) { }
//}
}
));
}
System.Threading.Thread.Sleep(1000);
long beforeStop = (DateTime.UtcNow.Ticks/1000);
tp.Stop();
long afterStop = (DateTime.UtcNow.Ticks/1000);
Log.Info("Time to Stop {0}", afterStop - beforeStop);
}
internal ThreadPoolWorker(QueuedThreadPool queuedThreadPool)
{
_queuedThreadPool = queuedThreadPool;
ThreadStart ts = new ThreadStart(Run);
_thread = new System.Threading.Thread(ts);
_thread.Priority = _queuedThreadPool._priority;
_thread.IsBackground = _queuedThreadPool._background;
}
public void TestStress()
{
QueuedThreadPool tp = new QueuedThreadPool();
tp.MinThreads = 240;
tp.MaxThreads = 250;
tp.MaxIdleTimeMs = 100;
tp.Start();
tp.MinThreads = 90;
int count = 0;
Random random = new Random((int)(DateTime.UtcNow.Ticks/1000));
int loops = 16000;
try
{
for (int i = 0; i < loops; )
{
int burst = random.Next(100);
for (int b = 0; b < burst && i < loops; b++)
{
if (i % 20 == 0)
Console.Error.Write('.');
if (i % 1600 == 1599)
Console.Error.WriteLine();
if (i == 1000)
tp.MinThreads = 10;
if (i == 10000)
tp.MaxThreads = 20;
i++;
tp.Dispatch(
new ThreadStart(
() =>
{
int s = random.Next(50);
try
{
System.Threading.Thread.Sleep(s);
}
catch (ThreadInterruptedException e)
{
Console.WriteLine(e.StackTrace);
}
finally
{
Interlocked.Increment(ref count);
}
}
)
);
}
System.Threading.Thread.Sleep(random.Next(100));
}
System.Threading.Thread.Sleep(2000);
tp.Stop();
Assert.AreEqual(loops, count);
}
catch (Exception e)
{
//Console.Error.WriteLine(e.StackTrace);
Assert.IsTrue(false, e.Message);
}
}
public void TestQueuedThreadPool()
{
//System.Threading.Thread.CurrentThread.Priority = ThreadPriority.Highest;
QueuedThreadPool tp = new QueuedThreadPool();
tp.MinThreads = 5;
tp.MaxThreads = 10;
tp.MaxIdleTimeMs = 1000;
tp.SpawnOrShrinkAt = 2;
tp.ThreadsPriority = ThreadPriority.BelowNormal;
tp.Start();
System.Threading.Thread.Sleep(500);
Assert.AreEqual(5, tp.Threads);
Assert.AreEqual(5, tp.IdleThreads);
tp.Dispatch(_job);
tp.Dispatch(_job);
Assert.AreEqual(5, tp.Threads);
//Assert.AreEqual(3,tp.IdleThreads);
System.Threading.Thread.Sleep(5000);
Assert.AreEqual(5, tp.Threads);
Assert.AreEqual(5, tp.IdleThreads);
for (int i = 0; i < 100; i++)
{
tp.Dispatch(_job);
}
Assert.Greater(tp.QueueSize, 10);
Assert.LessOrEqual(tp.IdleThreads, 1);
System.Threading.Thread.Sleep(2000);
Assert.AreEqual(0, tp.QueueSize);
Assert.Greater(tp.IdleThreads, 5);
int threads = tp.Threads;
Assert.Greater(threads, 5);
System.Threading.Thread.Sleep(1500);
Assert.Less(tp.Threads, threads);
}
internal ThreadPoolWorker(QueuedThreadPool queuedThreadPool)
{
_queuedThreadPool = queuedThreadPool;
ThreadStart ts = new ThreadStart(Run);
_thread = new System.Threading.Thread(ts);
_thread.Priority = _queuedThreadPool._priority;
_thread.IsBackground = _queuedThreadPool._background;
}