/// <summary> Starts the worker if possible. </summary>
/// <param name="work"> Inner work function to run. </param>
public void Start(Action work)
{
if (isRunning)
{
throw new InvalidOperationException($"WorkPool.Worker.Start: {this} is already running! Stop worker before trying to restart it!");
}
isRunning = true;
isPaused = false;
worked = 0;
workedThisBreak = 0;
// Wrap work function in another thread to loop
thread = new Thread(() => {
Thread self = thread;
while (isRunning && (thread == self))
{
//Thread.MemoryBarrier();
try {
if (isPaused)
{
ThreadUtil.Hold(sleepTime);
}
else
{
work();
worked++;
workedThisBreak++;
}
if (workPerBreak > 0 && workedThisBreak > workPerBreak)
{
workedThisBreak = 0;
// Waiting...
//Console.WriteLine($"{this} is waiting... running?{isRunning} paused?{isPaused}");
ThreadUtil.Hold(sleepTime);
}
} catch (Exception e) {
errorHandler?.Invoke(e);
}
}
});
thread.Name = $"{this}";
thread.Start();
}
/// <summary> Creates a new worker for the pool </summary>
/// <returns> A new worker configured for this pool. </returns>
private Worker MakePoolWorker()
{
Worker worker = new Worker(workPerBreak, sleepTime).OnError(errorHandler);
worker.Start(() => {
T item;
if (workItemQueue.TryDequeue(out item))
{
if (removedTemp.Contains(item))
{
return;
}
try {
workFn(item);
//Console.WriteLine($"Worked on {item} in {worker} / {this} ");
} catch (Exception e) {
throw new Exception($"WorkPool.MakePoolWorker: Error in WorkPool {id}: ", e);
} finally {
if (removedTemp.Contains(item))
{
removedTemp.Remove(item);
}
else
{
workItemQueue.Enqueue(item);
}
}
}
else
{
//Console.WriteLine($"No work to do, skipped in {this}");
try { ThreadUtil.Hold(sleepTime); }
catch {}
//catch (Exception e) {
// throw new Exception($"WorkPool {id} thread interrupted!", e);
//}
}
});
return(worker);
}