Exemple #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);
        }
Exemple #2
0
 private void PutLong(ByteBufferAsyncProcessor buffer, long l)
 {
     using (var cookie = UnsafeWriter.NewThreadLocalWriter())
     {
         cookie.Writer.Write(l);
         buffer.Put(cookie);
     }
 }
Exemple #3
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);
        }
Exemple #4
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));
        }
Exemple #5
0
 protected override void SendPkg(UnsafeWriter.Cookie cookie)
 {
     SendBuffer.Put(cookie);
 }
Exemple #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);
        }