void SleepWakeup(ResolverThread aThread, bool aSleep)
{
lock (this)
{
if (aSleep)
{
m_waitingThreads[aThread] = m_runningThreads[aThread];
m_runningThreads.Remove(aThread);
}
else
{
m_runningThreads[aThread] = m_waitingThreads[aThread];
m_waitingThreads.Remove(aThread);
}
}
if (aSleep)
{
m_answerPoolThread.Interrupt();
SleepUntilInterrupt();
}
else
{
((Thread)m_runningThreads[aThread]).Interrupt();
}
}
void AnswerPoolThread()
{
SleepUntilInterrupt();
for (;;)
{
if (m_answerQueue.Count == 0)
{
SleepUntilInterrupt();
continue;
}
object[] arrRequest = (object[])m_answerQueue.Peek();
if (m_waitingThreads.Count > 0)
{
IEnumerator en = m_waitingThreads.Keys.GetEnumerator();
en.MoveNext();
ResolverThread resThread = (ResolverThread)en.Current;
resThread.m_request = (WebRequest)arrRequest[0];
resThread.m_client = (TcpClient)arrRequest[1];
resThread.m_stream = (NetworkStream)arrRequest[2];
Thread th = (Thread)m_waitingThreads[resThread];
WaitForSleep(th);
SleepWakeup(resThread, false);
m_answerQueue.Dequeue();
}
else if (m_freeThreads + m_minThreads < m_maxThreads || m_maxThreads == -1)
{
ResolverThread resThread = new ResolverThread(this, true);
resThread.m_request = (WebRequest)arrRequest[0];
resThread.m_client = (TcpClient)arrRequest[1];
resThread.m_stream = (NetworkStream)arrRequest[2];
Thread th = new Thread(new ThreadStart(resThread.Run));
StartStopFreeThread(resThread, th, true);
th.Start();
m_answerQueue.Dequeue();
}
else
{
SleepUntilInterrupt();
}
}
}
void SetUp()
{
for (int i = 0; i < m_minThreads; i++)
{
ResolverThread resThread = new ResolverThread(this, false);
Thread th = new Thread(new ThreadStart(resThread.Run));
th.Start();
WaitForSleep(th);
m_waitingThreads[resThread] = th;
}
m_answerPoolThread = new Thread(new ThreadStart(AnswerPoolThread));
m_answerPoolThread.Start();
WaitForSleep(m_answerPoolThread);
}
void StartStopFreeThread(ResolverThread aResThread, Thread aThread, bool aStart)
{
lock (this)
{
if (aStart)
{
m_freeThreads++;
m_runningFreeThreads[aResThread] = aThread;
}
else
{
m_freeThreads--;
m_runningFreeThreads.Remove(aResThread);
}
m_answerPoolThread.Interrupt();
}
}