Example #1
0
        private void BackgroundThread()
        {
            while (!_backgroundThreadStop)
            {
                bool shouldSleep = true;
                lock (_queueLock)
                {
                    if (_packetQueue.Count != 0)
                    {
                        shouldSleep = false;
                    }
                }
                if (shouldSleep)
                {
                    System.Threading.Thread.Sleep(250);
                }
                else
                {
                    List <RawCapture> ourQueue;
                    lock (_queueLock)
                    {
                        ourQueue     = _packetQueue;
                        _packetQueue = new List <RawCapture>();
                    }

                    //Console.WriteLine("BackgroundThread: ourQueue.Count is {0}", ourQueue.Count);

                    foreach (RawCapture rawCapture in ourQueue)
                    {
                        // NOTE: If the incoming packet rate is greater than
                        //       the packet processing rate these queues will grow
                        //       to enormous sizes. Packets should be dropped in these
                        //       cases
                        if (_bEveryPacket)
                        {
                            PacketWrapper2 pw = new PacketWrapper2(rawCapture);
                            BeginInvoke(new MethodInvoker(delegate { bs.Add(pw); }));
                        }
                        else
                        {
                            _tcpRecon.ReassemblePacket(rawCapture);
                        }
                    }

                    if (_statisticsUiNeedsUpdate)
                    {
                        UpdateCaptureStatistics();
                        _statisticsUiNeedsUpdate = false;
                    }
                }
            }
        }
        private void BackgroundThread()
        {
            while (!_backgroundThreadStop)
            {
                bool shouldSleep = true;
                lock (_queueLock)
                {
                    if (_packetQueue.Count != 0)
                        shouldSleep = false;
                }
                if (shouldSleep)
                    System.Threading.Thread.Sleep(250);
                else
                {
                    List<RawCapture> ourQueue;
                    lock (_queueLock)
                    {
                        ourQueue = _packetQueue;
                        _packetQueue = new List<RawCapture>();
                    }

                    //Console.WriteLine("BackgroundThread: ourQueue.Count is {0}", ourQueue.Count);

                    foreach (RawCapture rawCapture in ourQueue)
                    {
                        // NOTE: If the incoming packet rate is greater than
                        //       the packet processing rate these queues will grow
                        //       to enormous sizes. Packets should be dropped in these
                        //       cases
                        if (_bEveryPacket)
                        {
                            PacketWrapper2 pw = new PacketWrapper2(rawCapture);
                            BeginInvoke(new MethodInvoker(delegate { bs.Add(pw); }));
                        }
                        else _tcpRecon.ReassemblePacket(rawCapture);
                    }

                    if (_statisticsUiNeedsUpdate)
                    {
                        UpdateCaptureStatistics();
                        _statisticsUiNeedsUpdate = false;
                    }
                }
            }
        }