Exemplo n.º 1
0
        public void TestWaitAndContinueWorker()
        {
            WaitAndContinueWorker work;

            using (work = new WaitAndContinueWorker())
            {
                work.OnError += delegate(object o, ErrorEventArgs e) { throw new Exception("Failed.", e.GetException()); };

                SampleWork item = new SampleWork();
                work.AddWork(item);

                Assert.IsFalse(work.IsEmpty);

                item.Ready.Set();
                Assert.IsTrue(item.CompletedEvent.WaitOne(100, false));
                Assert.IsTrue(item.Completed);
                Assert.IsFalse(item.Cancelled);

                while (!item.Disposed)
                {
                    Thread.Sleep(0);
                }

                Assert.IsTrue(item.Disposed);
                Assert.IsTrue(work.IsEmpty);
            }
            Assert.IsTrue(work.IsEmpty);
        }
Exemplo n.º 2
0
        private int InternalSend(int waitTime, IEnumerable <string> identities, string eventName, params string[] arguments)
        {
            int count = 0;

            using (WaitAndContinueList work = new WaitAndContinueList())
            {
                foreach (string identity in Check.NotNull(identities))
                {
                    IpcEventMessage m = new IpcEventMessage(this, ExecutionTimeout, identity, eventName, arguments);
                    if (!m.Completed)
                    {
                        work.AddWork(m);
                    }
                    else
                    {
                        count += m.Successful ? 1 : 0;
                    }
                }

                if (!work.IsEmpty)
                {
                    //Waiting while in-call results in dead-locks, so we force these to defer if they do not complete immediatly
                    if (InCall)
                    {
                        waitTime = 0;
                    }

                    System.Diagnostics.Stopwatch timer = new System.Diagnostics.Stopwatch();
                    if (waitTime > 0)
                    {
                        timer.Start();
                    }

                    IWaitAndContinue waitItem;
                    int ticksRemaining = waitTime;
                    while (work.PerformWork(ticksRemaining, out waitItem))
                    {
                        count += ((IpcEventMessage)waitItem).Successful ? 1 : 0;
                        if (waitTime > 0 && (ticksRemaining = (int)(waitTime - timer.ElapsedMilliseconds)) < 0)
                        {
                            break;
                        }
                    }

                    if (!work.IsEmpty)
                    {
                        WaitAndContinueWorker worker = _deferred;
                        if (worker != null)
                        {
                            try { worker.AddWork(work); } catch (ObjectDisposedException) { }
                        }
                    }
                }
            }
            return(count);
        }
Exemplo n.º 3
0
        public void TestAddWorkToDisposedWorker()
        {
            WaitAndContinueWorker work = new WaitAndContinueWorker();

            work.Complete(false, 100);
            work.Dispose();

            SampleWork item = new SampleWork();

            work.AddWork(item);
        }
Exemplo n.º 4
0
        public void TestAddWorkListToDisposedWorker()
        {
            WaitAndContinueWorker work = new WaitAndContinueWorker();

            work.Complete(false, 100);
            work.Dispose();

            WaitAndContinueList list = new WaitAndContinueList();

            list.AddWork(new SampleWork());

            work.AddWork(list);
        }
Exemplo n.º 5
0
        /// <summary>
        /// Shutsdown the worker thread created by a call to EnableAsyncSend() allowing up to
        /// the number of milliseconds in timeout to shutdown the worker and complete any
        /// pending work.  If timeout is 0, the worker will be aborted.
        /// </summary>
        public void StopAsyncSending(bool completeWork, int timeout)
        {
            WaitAndContinueWorker kill;

            lock (_sync)
            {
                kill      = _deferred;
                _deferred = null;
            }
            if (kill != null)
            {
                using (kill)
                    kill.Complete(completeWork, timeout);
            }
        }
Exemplo n.º 6
0
        public void TestAbortWork()
        {
            using (WaitAndContinueWorker work = new WaitAndContinueWorker())
            {
                work.OnError += delegate(object o, ErrorEventArgs e) { throw new Exception("Failed.", e.GetException()); };

                SampleWork item = new SampleWork();
                work.AddWork(item);

                Assert.IsFalse(work.IsEmpty);
                work.Abort();

                Assert.IsFalse(item.Completed);
                Assert.IsTrue(item.Disposed);
            }
        }
Exemplo n.º 7
0
        public void TestWorkerException()
        {
            using (WaitAndContinueWorker work = new WaitAndContinueWorker())
            {
                SampleWork item = new SampleWork();
                item.WorkThrows = true;
                work.AddWork(item);

                ManualResetEvent mreError = new ManualResetEvent(false);
                Exception        error    = null;
                work.OnError += delegate(object o, ErrorEventArgs e) { error = e.GetException(); mreError.Set(); };

                item.Ready.Set();
                Assert.IsTrue(mreError.WaitOne(1000, false));
                Assert.IsTrue(error is ArgumentOutOfRangeException);
                Assert.IsTrue(((ArgumentOutOfRangeException)error).ParamName == "WorkThrows");
            }
        }
Exemplo n.º 8
0
        public void TestHardAbort()
        {
            using (WaitAndContinueWorker work = new WaitAndContinueWorker())
            {
                work.OnError += delegate(object o, ErrorEventArgs e) { throw new Exception("Failed.", e.GetException()); };

                SampleWork item = new SampleWork();
                item.SleepForever = true;
                work.AddWork(item);

                item.Ready.Set();
                Assert.IsTrue(item.Sleeping.WaitOne(1000, false));
                work.Abort();

                Assert.IsFalse(item.Completed);
                Assert.IsTrue(item.Disposed);
            }
        }
Exemplo n.º 9
0
 /// <summary>
 /// Enables a background worker thread to continue sending messages that are incomplete
 /// after the expiration of the timeout specified in the Broadcast/SendTo method.  This
 /// is required to avoid dead-locks if your broadcasting messages within an IpcEvent.OnEvent
 /// event handler.
 /// </summary>
 public void EnableAsyncSend()
 {
     lock (_sync)
         _deferred = _deferred ?? new WaitAndContinueWorker();
 }