仿真平台内核初版 -tlib库 包含<sparc arm riscv powerPC>

lib/Packet.Net/Examples/CapturingAndParsingWiFiPackets/Main.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using SharpPcap;
+using PacketDotNet;
+using PacketDotNet.Ieee80211;
+using SharpPcap.AirPcap;
+
+namespace CapturingAndParsingWiFiPackets
+{
+    class MainClass
+    {
+        // used to stop the capture loop
+        private static bool stopCapturing = false;
+
+        public static void Main (string[] args)
+        {
+            // Print SharpPcap version
+            string ver = SharpPcap.Version.VersionString;
+            Console.WriteLine ("PacketDotNet example using SharpPcap {0}", ver);
+
+            // Retrieve the device list
+            var devices = AirPcapDeviceList.Instance;
+
+            // If no devices were found print an error
+            if (devices.Count < 1)
+            {
+                Console.WriteLine ("No devices were found on this machine");
+                return;
+            }
+
+            Console.WriteLine ();
+            Console.WriteLine ("The following devices are available on this machine:");
+            Console.WriteLine ("----------------------------------------------------");
+            Console.WriteLine ();
+
+            int i = 0;
+
+            // Print out the devices
+            foreach (var dev in devices)
+            {
+                /* Description */
+                Console.WriteLine ("{0}) {1} {2}", i, dev.Name, dev.Description);
+                i++;
+            }
+
+            Console.WriteLine ();
+            Console.Write ("-- Please choose a device to capture: ");
+            i = int.Parse (Console.ReadLine ());
+
+            // Register a cancle handler that lets us break out of our capture loop
+            // since we currently need to synchronously receive packets in order to get
+            // raw packets. Future versions of SharpPcap are likely to
+            // return ONLY raw packets at which time we can simplify this code and
+            // use a PcapDevice.OnPacketArrival handler
+            Console.CancelKeyPress += HandleCancelKeyPress;
+
+            var device = (AirPcapDevice)devices [i];
+
+            // Open the device for capturing
+            int readTimeoutMilliseconds = 1000;
+            device.Open (DeviceMode.Promiscuous, readTimeoutMilliseconds);
+            device.FcsValidation = AirPcapValidationType.ACCEPT_CORRECT_FRAMES;
+
+            Console.WriteLine ();
+            Console.WriteLine ("-- Listening on {0}, hit 'ctrl-c' to stop...",
+                device.Name);
+
+            while (stopCapturing == false)
+            {
+                var rawCapture = device.GetNextPacket ();
+
+                // null packets can be returned in the case where
+                // the GetNextRawPacket() timed out, we should just attempt
+                // to retrieve another packet by looping the while() again
+                if (rawCapture == null)
+                {
+                    // go back to the start of the while()
+                    continue;
+                }
+
+                // use PacketDotNet to parse this packet and print out
+                // its high level information
+                Packet p = Packet.ParsePacket (rawCapture.LinkLayerType, rawCapture.Data);
+                MacFrame macFrame = (MacFrame)p.PayloadPacket;
+                if ((macFrame != null) && 
+                    (macFrame.FrameControl.SubType == FrameControlField.FrameSubTypes.ManagementBeacon))
+                {
+                    BeaconFrame beaconFrame = (BeaconFrame)macFrame;
+                    var ie = beaconFrame.InformationElements.FindFirstById(InformationElement.ElementId.ServiceSetIdentity);
+                    Console.WriteLine ("Network: {0}, Access Point Address: {1}", Encoding.UTF8.GetString (ie.Value), beaconFrame.SourceAddress);       
+                }
+            }
+
+            Console.WriteLine ("-- Capture stopped");
+
+            // Print out the device statistics
+            Console.WriteLine (device.Statistics.ToString ());
+
+            // Close the pcap device
+            device.Close ();
+        }
+
+        static void HandleCancelKeyPress(object sender, ConsoleCancelEventArgs e)
+        {
+            Console.WriteLine("-- Stopping capture");
+            stopCapturing = true;
+
+            // tell the handler that we are taking care of shutting down, don't
+            // shut us down after we return because we need to do just a little
+            // bit more processing to close the open capture device etc
+            e.Cancel = true;
+        }
+    }
+}