/// <summary>
/// This function serves as a callback method for queueing threads and
/// when they complete.
/// </summary>
/// <param name="name">The name of the thread that is finished working.</param>
void threadCallback(string name = "")
{
lock (m_Lock)
{
if (name != null)
{
if (m_ActiveThreads.ContainsKey(name))
{
//decrement active threads and cleanup
BaseWorker finishedThread = m_ActiveThreads[name];
m_ActiveThreads.Remove(name);
m_DeadThreads.Add(finishedThread);
}
else
{
Console.WriteLine("Error: No Active threads with the name: " + name);
}
}
else
{
Console.WriteLine("Error: Thread name is not valid.");
}
}
}
protected void setActiveThreads()
{
while (m_Run)
{
DateTime start = DateTime.Now;
if ((m_ActiveThreads.Count() < m_MaxThreads) && (m_ThreadQueue.Count > 0)
)
{
lock (m_Lock)
{
start = DateTime.Now;
while (m_ActiveThreads.Count() < m_MaxThreads &&
m_ThreadQueue.Count() > 0 &&
DateTime.Now - start < TimeSpan.FromSeconds(2))
{
//pop a thread and start, and increment active threads
BaseWorker popThread = m_ThreadQueue[0];
m_ThreadQueue.RemoveAt(0);
if (popThread != null &&
!m_ActiveThreads.ContainsKey(popThread.ThreadId.ToString()))
{
m_ActiveThreads[popThread.ThreadId.ToString()] = popThread;
if (popThread.ThreadState == System.Threading.ThreadState.Unstarted)
{
popThread.Start();
}
}
}
}
}
Thread.Sleep(120);
}
}
public void start()
{
BaseWorker th = new BaseWorker(runThreadsLoop);
th.Name = "Main Thread Loop";
th.createThread(ref th);
th.Start();
}
/// <summary>
/// This function will create a thread for the worker.
///
/// This is a child thread of a main worker thread. So
/// it passes all the attributes of the parent thread to
/// the child thread.
/// </summary>
/// <param name="worker">The worker thread to create a thread for.</param>
/// <returns>The created thread.</returns>
public void createThread(ref BaseWorker worker)
{
if (worker != this)
{
worker.queueCallback = queueCallback;
worker.threadCallback = threadCallback;
worker.progressCallback = progressCallback;
worker.m_HistoryId = this.m_HistoryId;
worker.m_UserId = this.m_UserId;
worker.Params = this.Params;
//worker.setProc(this.m_Proc);
}
if (progressCallback != null)
{
progressCallback(worker.m_HistoryId, ThreadManager.ThreadProcessState.ADDED);
}
Thread thread = null;
if (worker.m_SimpleMethod != null)
{
thread = new Thread(worker.doWork);
}
else if (worker.m_ParamMethod != null)
{
ParameterizedThreadStart pts = new ParameterizedThreadStart(worker.doWorkP);
thread = new Thread(pts);
}
if (thread != null)
{
thread.SetApartmentState(ApartmentState.STA);
String name = m_ThreadIdName;
if (String.IsNullOrEmpty(name))
{
name = this.GetType().ToString();
}
thread.Name = name + "-" + thread.ManagedThreadId;
if (String.IsNullOrEmpty(worker.m_ThreadIdName))
{
worker.m_ThreadIdName = thread.Name;
}
else
{
worker.m_ThreadIdName += "-" + thread.ManagedThreadId;
}
if (thread.Name.Length == 0)
{
Console.WriteLine("No name Thread.");
}
worker.setThread(thread);
}
}
/// <summary>
/// This function serves as a callback method for queueing threads and
/// when they complete.
/// </summary>
/// <param name="thread">A handle to the worker thread.</param>
void queueCallback(BaseWorker thread)
{
lock (m_Lock)
{
//if worker isn't null then add thread to queue
if (thread != null)
{
m_ThreadQueue.Add(thread);
}
}
}
/// <summary>
/// This function will take in a worker instance object, a callback handle, and
/// a social media type. Then it will create and queue a thread for running.
/// </summary>
/// <param name="worker">The worker instance object.</param>
public void createQueueThread(BaseWorker worker)
{
//create worker thread
m_TotalThreads++;
worker.queueCallback += new BaseWorker.queueCallbackDelegate(queueCallback);
worker.threadCallback += new BaseWorker.threadCallbackDelegate(threadCallback);
worker.progressCallback += new BaseWorker.progressCallbackDelegate(progressCallback);
worker.m_SeedThread = true;
worker.createThread(ref worker);
lock (m_Lock)
{
//queue thread
m_ThreadQueue.Add(worker);
}
}
// Pause all requested cancel threads
protected void setCancelledThreads()
{
while (m_Run)
{
DateTime start = DateTime.Now;
for (int i = 0;
i < m_CancelThreads.Keys.Count &&
DateTime.Now - start < TimeSpan.FromSeconds(2);
i++)
{
long uid = m_CancelThreads.Keys.ElementAt <long>(i);
long hid = m_CancelThreads[uid];
for (int b = 0;
b < m_ActiveThreads.Count &&
DateTime.Now - start < TimeSpan.FromSeconds(2);
b++)
{
String key = m_ActiveThreads.Keys.ElementAt <String>(b);
BaseWorker th = m_ActiveThreads[key];
if (false)
{
th.Stop();
}
}
for (int n = 0;
n < m_ThreadQueue.Count &&
DateTime.Now - start < TimeSpan.FromSeconds(2);
n++)
{
BaseWorker th = m_ThreadQueue[n];
if (false)
{
m_ThreadQueue.RemoveAt(n);
n--;
}
}
m_CancelThreads.Remove(uid);
}
Thread.Sleep(120);
}
}
/// <summary>
/// This function serves as the master run thread loop.
/// </summary>
public void runThreadsLoop()
{
DateTime printStatusTime = DateTime.Now;
int count = 0;
BaseWorker cancelTh = new BaseWorker(this.setCancelledThreads);
cancelTh.Name = "setCancelledThreads";
cancelTh.createThread(ref cancelTh);
cancelTh.Start();
BaseWorker activeTh = new BaseWorker(this.setActiveThreads);
activeTh.Name = "setActiveThreads";
activeTh.createThread(ref activeTh);
activeTh.Start();
BaseWorker maxTh = new BaseWorker(this.setMaxThreads);
maxTh.Name = "setMaxThreads";
maxTh.createThread(ref maxTh);
maxTh.Start();
BaseWorker gcTh = new BaseWorker(this.gcCleanup);
gcTh.Name = "gcCleanup";
gcTh.createThread(ref gcTh);
gcTh.Start();
// maybe create 3 threads to manage the arrays.
while (m_Run)
{
DateTime start = DateTime.Now;
int completedThreads = 0;
if (DateTime.Now - printStatusTime > TimeSpan.FromSeconds(5) &&
(m_DeadThreads.Count > 0 || m_ActiveThreads.Count > 0))
{
start = DateTime.Now;
for (int i = 0;
i < m_DeadThreads.Count &&
DateTime.Now - start < TimeSpan.FromSeconds(2);
i++)
{
if (m_DeadThreads[i] == null ||
m_DeadThreads[i].Join(150))
{
//m_DeadThreads[i] = null;
m_DeadThreads.RemoveAt(i);
//Console.Write(".");
i--;
completedThreads++;
}
}
#if DEBUG
Console.WriteLine(m_InstanceName + "\n" +
"Added Threads: " + m_TotalThreads +
"\nQueued Threads: " + m_ThreadQueue.Count +
"\nActive Threads: " + m_ActiveThreads.Count +
"\nCompleted Threads: " + completedThreads +
"\nDead Threads: " + m_DeadThreads.Count +
"\nMax Threads: " + m_MaxThreads +
"\nRequested Threads: " + MaxThreads);
m_TotalThreads = 0; // added threads
completedThreads = 0;
#endif
printStatusTime = DateTime.Now;
}
else
{
if (m_ActiveThreads.Count > m_MaxThreads)
{
Thread.Sleep(120);
}
//else
// Thread.Sleep(300);
}
Thread.Sleep(120);
}
//update history to complete
Console.WriteLine("All threads complete, press any key to continue.");
}