C# CaptureFileReaderDevice.Capture方法代碼示例

        public static void Main (string[] args)
        {
            string ver = SharpPcap.Version.VersionString;

            /* Print SharpPcap version */
            Console.WriteLine("SharpPcap {0}, ReadingCaptureFile", ver);
            Console.WriteLine();

            Console.WriteLine();

            // read the file from stdin or from the command line arguments
            string capFile;
            if(args.Length == 0)
            {
                Console.Write("-- Please enter an input capture file name: ");
                capFile = Console.ReadLine();
            } else
            {
                // use the first argument as the filename
                capFile = args[0];
            }

            Console.WriteLine("opening '{0}'", capFile);

            ICaptureDevice device;

            try
            {
                // Get an offline device
                device = new CaptureFileReaderDevice( capFile );

                // Open the device
                device.Open();
            }
            catch(Exception e)
            {
                Console.WriteLine("Caught exception when opening file" + e.ToString());
                return;
            }

            // Register our handler function to the 'packet arrival' event
            device.OnPacketArrival +=
                new PacketArrivalEventHandler( device_OnPacketArrival );

            Console.WriteLine();
            Console.WriteLine
                ("-- Capturing from '{0}', hit 'Ctrl-C' to exit...",
                capFile);

            // Start capture 'INFINTE' number of packets
            // This method will return when EOF reached.
            device.Capture();

            // Close the pcap device
            device.Close();
            Console.WriteLine("-- End of file reached.");
            Console.Write("Hit 'Enter' to exit...");
            Console.ReadLine();
        }

        public void CaptureFinite()
        {
            var device = new CaptureFileReaderDevice("../../capture_files/ipv6_http.pcap");
            device.OnPacketArrival += HandleDeviceOnPacketArrival;
            device.Open();

            var expectedPackets = 3;
            capturedPackets = 0;
            device.Capture(expectedPackets);

            Assert.AreEqual(expectedPackets, capturedPackets);
        }

        /// <summary>
        /// Reconstruct a Pcap file using TcpRecon class
        /// </summary>
        public static List<MemoryStream> ReconSingleFileSharpPcap(string capFile)
        {
            var capture = new CaptureFileReaderDevice(capFile);
            var retVal = new List<MemoryStream>();

            //Register our handler function to the 'packet arrival' event
            capture.OnPacketArrival +=
                new SharpPcap.PacketArrivalEventHandler(device_PcapOnPacketArrival);

            //Start capture 'INFINTE' number of packets
            //This method will return when EOF reached.
            capture.Capture();

            //Close the pcap device
            capture.Close();

            // Clean up
            foreach (TcpRecon tr in sharpPcapDict.Values)
            {
                retVal.Add(tr.data_out_file.BaseStream as MemoryStream);
                tr.Close();
            }
            sharpPcapDict.Clear();
            return retVal;
        }

        public void ProcessPcap()
        {
            sharpPcapDict = new Dictionary<Connection, TcpRecon>();
            PcapDevice device;
            totalPackets = 0;
            totalTCPPackets = 0;

            try
            {
                device  = new SharpPcap.LibPcap.CaptureFileReaderDevice(capFile);
                device.Open();
            }
            catch (Exception ex)
            {
                ErrorMessage = "Error Loading pcap with SharpPcap: " + ex.Message;
                owner.Invoke(Complete, ips);
                return;
            }

            device.OnPacketArrival += new SharpPcap.PacketArrivalEventHandler(device_PcapOnPacketArrival);
            device.Capture(); //parse entire pcap until EOF
            device.Close();

            foreach (TcpRecon tr in sharpPcapDict.Values)
            {
                tr.isComplete = true;
                if (tr.LastSavedOffset != tr.CurrentOffset) AddNewNode(tr);
                tr.Close();
            }

            sharpPcapDict.Clear();
            owner.Invoke(Complete, ips);

            return;
        }

        public void ReadCap(string FilePath)
        {
            ICaptureDevice device = null;

            try
            {
                // Get an offline device
                device = new CaptureFileReaderDevice(FilePath);

                // Open the device
                device.Open();
            }
            catch (Exception e)
            {
                return;
            }

            device.OnPacketArrival += new PacketArrivalEventHandler(device_OnPacketArrival);
            device.Capture();
            device.Close();

            //CapFileReader reader = new CapFileReader();
            //reader.ReadCapFile(FilePath);
        }