public static CustomThreadPool CreatePool(PoolType type,ThreadPoolSettings config, CancellationToken tk)
{
switch (type)
{
case PoolType.Custom1:
return new CustomThreadPool1(config, tk);
case PoolType.Custom2:
return new CustomThreadPool2(config, tk);
case PoolType.Custom3:
return new CustomThreadPool3(config, tk);
default:
return new DefaultThreadPool(config, tk);
}
}
public PoolWorker(ThreadPoolSettings settings, CancellationToken cancelToken)
{
_settings = settings;
_cancelToken = cancelToken;
Name = Guid.NewGuid().ToString();
_status = PoolWorkerStatus.Ready;
_timer = new System.Timers.Timer()
{
AutoReset = true,
Enabled = true,
};
_timer.Interval = settings.ThreadIdleTimeout.TotalMilliseconds;
_timer.Elapsed += OnIdleTimeoutCheckEvent;
StartThread();
}
/// <summary>
/// Creates new threadpool with given settings and cancel token values
/// </summary>
/// <param name="settings">thread pool runtime settings</param>
/// <param name="cancelToken">cancel token to indicate or send stop event to the pool</param>
public CustomThreadPool3(ThreadPoolSettings settings, CancellationToken cancelToken)
: base(settings, cancelToken)
{
_settings = settings;
_linkedCts = CancellationTokenSource.CreateLinkedTokenSource(cancelToken);
this._poolStopToken = _linkedCts.Token;
_tokenRegister = _poolStopToken.Register(OnPoolCancelRequested);
//start minimum required threads immediately
_mThreads = new Thread[_settings.MaxThreads];
_mThreadLocalQueues = new ThreadLocalStealQueue<ThreadPoolWorkItem>[_settings.MaxThreads];
for (int i = 0; i < _settings.MinThreads; i++)
{
StartNewThread(true);
}
EtwLogger.Log.PoolStarted(Name, _settings.MinThreads, _settings.MaxThreads);
}
public CustomThreadPool2(ThreadPoolSettings settings, CancellationToken cancelToken)
: base(settings, cancelToken)
{
if (settings == null) throw new ArgumentNullException("settings");
this._settings = settings;
_workerKeys = new List<string>(settings.MaxThreads);
//initialize min threads immediately
for (int i = 0; i < settings.MinThreads; i++)
{
var w = AllocDelegate();
w.IsPermenant = true;
_workerThreads.TryAdd(w.Name, w);
_workerKeys.Add(w.Name);
}
_linkedCts = CancellationTokenSource.CreateLinkedTokenSource(cancelToken);
this._poolStopToken = _linkedCts.Token;
_tokenRegister = _poolStopToken.Register(OnPoolCancelRequested);
EtwLogger.Log.PoolStarted(Name, _settings.MinThreads, _settings.MaxThreads);
}
/// <summary>
/// Creates custom worker thread pool with default name and given settings.
/// </summary>
protected CustomThreadPool(ThreadPoolSettings settings, CancellationToken cancelToken)
{
this.Name = string.Format(CultureInfo.InvariantCulture, "ThreadPool-{0}", Guid.NewGuid());
}
