Exemplo n.º 1
0
        public void TestPause()
        {
            int x       = 0;
            var buffer  = new ByteBufferAsyncProcessor("TestAsyncProcessor", 1, delegate(byte[] data, int offset, int len, ref long seqN) { x += data[offset]; });
            var reason1 = "reason1";
            var reason2 = "reason2";

            Assert.True(buffer.Pause(reason1));
            Assert.False(buffer.Pause(reason1));
            Assert.True(buffer.Pause(reason2));
            Assert.False(buffer.Pause(reason2));

            buffer.Start();
            buffer.Put(new byte[] { 1, 2, 3 });
            Thread.Sleep(50);
            Assert.AreEqual(0, x);

            Assert.True(buffer.Resume(reason1));
            Assert.False(buffer.Resume(reason1));
            Thread.Sleep(50);
            Assert.AreEqual(0, x);

            Assert.True(buffer.Resume(reason2));
            Assert.False(buffer.Resume(reason2));
            Assert.False(buffer.Resume(reason2));
            SpinWait.SpinUntil(() => buffer.AllDataProcessed);
            Assert.AreEqual(6, x);
        }
Exemplo n.º 2
0
        public void TestOneProducer()
        {
            var processed = 0;
            var buffer    = new ByteBufferAsyncProcessor("TestAsyncProcessor", 10, delegate(byte[] data, int offset, int len, ref long seqN)
            {
                Assert.Greater(len, 0);

                for (int i = 0; i < len - 1; i++)
                {
                    Assert.AreEqual(data[offset + i + 1], (byte)(data[offset + i] + 1));
                }

                processed += len;
            });

            byte b         = 0;
            int  l         = 0;
            var  toProcess = 0;

            for (int i = 0; i < 300; i++)
            {
                toProcess += l;
                byte[] p = new byte[l++];
                for (int j = 0; j < p.Length; j++)
                {
                    p[j] = b++;
                }
                buffer.Put(p);

                if (i == 20)
                {
                    buffer.Start(); //testing delayed start
                }
                if (i > 0 && i % 50 == 0)
                {
                    SpinWait.SpinUntil(() => buffer.AllDataProcessed); //give it to process
                }
            }

            SpinWait.SpinUntil(() => buffer.AllDataProcessed); //give it to process

            Assert.AreEqual(toProcess, processed);
            Assert.True(buffer.Stop(1000));
        }
Exemplo n.º 3
0
            protected Base(string id, Lifetime lifetime, [NotNull] IScheduler scheduler) : base(scheduler)
            {
                Id         = id;
                Log        = Diagnostics.Log.GetLog(GetType());
                myLifetime = lifetime;
                myAcktor   = new Actor <long>(id + "-ACK", lifetime, SendAck);

                SendBuffer = new ByteBufferAsyncProcessor(id + "-Sender", Send0);
                SendBuffer.Pause(DisconnectedPauseReason);
                SendBuffer.Start();

                Connected.Advise(lifetime, value => HeartbeatAlive.Value = value);


                //when connected
                SocketProvider.Advise(lifetime, socket =>
                {
//          //todo hack for multiconnection, bring it to API
//          if (SupportsReconnect) SendBuffer.Clear();

                    var timer = StartHeartbeat();

                    SendBuffer.ReprocessUnacknowledged();
                    SendBuffer.Resume(DisconnectedPauseReason);

                    scheduler.Queue(() => { Connected.Value = true; });

                    try
                    {
                        //use current thread for receiving procedure
                        ReceiverProc(socket);
                    }
                    finally
                    {
                        scheduler.Queue(() => { Connected.Value = false; });

                        SendBuffer.Pause(DisconnectedPauseReason);

                        timer.Dispose();

                        CloseSocket(socket);
                    }
                });
            }
Exemplo n.º 4
0
        public void TestClean()
        {
            int x      = 0;
            var buffer = new ByteBufferAsyncProcessor("TestAsyncProcessor", 1, delegate(byte[] data, int offset, int len, ref long seqN) { x += data[offset]; });

            buffer.Put(new byte[] { 1 });
            buffer.Put(new byte[] { 2 });
            buffer.Put(new byte[] { 3 });

            Assert.False(buffer.AllDataProcessed); //not started

            buffer.Clear();
            Assert.True(buffer.AllDataProcessed);

            buffer.Start();
            buffer.Put(new byte[] { 1, 2, 3 });

            SpinWait.SpinUntil(() => buffer.AllDataProcessed);
            Assert.AreEqual(6, x);
        }
Exemplo n.º 5
0
        public unsafe void TestReprocess()
        {
            long prev = 0;
            ByteBufferAsyncProcessor buffer = null;
            List <long> log = new List <long>();

            buffer = new ByteBufferAsyncProcessor("TestAsyncProcessor", 8,
                                                  delegate(byte[] data, int offset, int len, ref long seqN)
            {
                try
                {
                    fixed(byte *b = data)
                    {
                        long l = UnsafeReader.CreateReader(b, 8).ReadLong();
                        if (seqN != 0)
                        {
                            Assert.AreEqual(l, seqN);
                        }
                        seqN = l;
                        log.Add(l);

                        Assert.True(l > prev);
                        prev = l;
                    }
                }
                catch (Exception e)
                {
                    Log.Root.Error(e);
                }
            });

            buffer.ShrinkIntervalMs = 10;
            buffer.Start();

            PutLong(buffer, 1);
            PutLong(buffer, 2);
            PutLong(buffer, 3);
            PutLong(buffer, 4);

            SpinWait.SpinUntil(() => buffer.AllDataProcessed);
            Assert.AreEqual(new List <int> {
                1, 2, 3, 4
            }, log);

            buffer.Acknowledge(2);
            prev = 2;
            buffer.ReprocessUnacknowledged();

            PutLong(buffer, 5);
            SpinWait.SpinUntil(() => buffer.AllDataProcessed);
            Assert.AreEqual(new List <int> {
                1, 2, 3, 4, 3, 4, 5
            }, log);

            buffer.Acknowledge(5);
            buffer.ReprocessUnacknowledged();
            SpinWait.SpinUntil(() => buffer.AllDataProcessed);
            Assert.AreEqual(new List <int> {
                1, 2, 3, 4, 3, 4, 5
            }, log);
        }
Exemplo n.º 6
0
        public unsafe void StressTestWithAck()
        {
//      LogLog.SeverityFilter = LoggingLevel.VERBOSE;
//      LogLog.RecordsChanged += record => { Console.WriteLine(record.Format(true)); };

            long prev = 0;
            ByteBufferAsyncProcessor buffer = null;

            buffer = new ByteBufferAsyncProcessor("TestAsyncProcessor", 8,
                                                  delegate(byte[] data, int offset, int len, ref long seqN)
            {
                long l = 0;
                Log.Root.Catch(() =>
                {
                    fixed(byte *b = data)
                    {
                        l = UnsafeReader.CreateReader(b, 8).ReadLong();
                        Assert.True(l > prev);
                        prev = l;
                        if (l % 1 == 0)
                        {
                            Ack(l);
                        }
                    }
                });
                seqN = l;
            });
            buffer.ShrinkIntervalMs = 10;
            buffer.Start();

            void Ack(long seqn)
            {
                buffer?.Acknowledge(seqn);
            }

            var start = Environment.TickCount;

            bool Until() => Environment.TickCount - start < 1000;

            long next  = 0;
            var  tasks = new List <Task>();

            for (int i = 0; i < 4; i++)
            {
                tasks.Add(Task.Run(() =>
                {
                    var rnd = new Random();

                    while (Until())
                    {
                        lock (tasks)
                        {
                            using (var cookie = UnsafeWriter.NewThreadLocalWriter())
                            {
                                cookie.Writer.Write(++next);
                                buffer.Put(cookie);
                            }
                        }
                        if (rnd.Next(1000) < 1)
                        {
                            Thread.Sleep(1);
                        }
                        if (rnd.Next(1000) < 5)
                        {
                            buffer.Clear();
                        }
                    }
                }));
            }

            Task.WaitAll(tasks.ToArray());
//      Console.WriteLine(next);
//      Console.WriteLine(buffer.ChunkCount);
        }