Ejemplo n.º 1
0
        public void Start()
        {
            switch (Interlocked.Read(ref this.workerState))
            {
            case WORKER_STATE_INIT:
                if (InterLockedEx.CompareAndSet(ref this.workerState, WORKER_STATE_STARTED, WORKER_STATE_INIT))
                {
                    _workerThread.Start();
                }
                break;

            case WORKER_STATE_STARTED:
                break;

            case WORKER_STATE_SHUTDOWN:
                throw new HashedWheelTimerException("HashedWheelTimer 不支持的停止以后再次开启。");

            default:
                throw new HashedWheelTimerException("HashedWheelTimer 状态错误。");
            }

            // Wait until the startTime is initialized by the worker.
            while (startTime == 0)
            {
                _startTimeInitialized.Wait();
            }
        }
Ejemplo n.º 2
0
        public IEnumerable <ITimeout> Stop()
        {
            if (Thread.CurrentThread == _workerThread)
            {
                throw new InvalidOperationException(
                          $"{nameof(HashedWheelTimer)}.{nameof(HashedWheelTimer.Stop)} 不能在 worker 线程被调用。");
            }

            if (!InterLockedEx.CompareAndSet(ref this.workerState, WORKER_STATE_SHUTDOWN, WORKER_STATE_STARTED))
            {
                // workerState can be 0 or 2 at this moment - let it always be 2.
                Interlocked.Exchange(ref this.workerState, WORKER_STATE_SHUTDOWN);

                misuseDetector.Decrease();

                return(Enumerable.Empty <ITimeout>());
            }
            //等待线程处理完成。
            while (_workerThread.IsAlive)
            {
                _worker.Stop();
                _workerThread.Join(100);
            }

            misuseDetector.Decrease();
            return(_worker.UnprocessedTimeouts());
        }
Ejemplo n.º 3
0
 public bool CompareAndSetState(int expected, int state)
 {
     return(InterLockedEx.CompareAndSet(ref this.state, state, expected));
 }