private void SaveCapturedPacketsToFile()
{
try
{
Cursor = Cursors.WaitCursor;
device.Open();
// Open or create a capture output file
device.DumpOpen(saveFileDialog.FileName);
foreach (Packet packet in packetsDictionary.Values)
{
device.Dump(packet);
}
device.DumpFlush();
// Set the flag packetsHaveBeenSaved to true - the displayed packets
// have just been saved.
capturedPacketsHaveBeenSaved = true;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
device.DumpClose();
device.Close();
Cursor = Cursors.Default;
}
}
public static void Main(string[] args)
{
string ver = SharpPcap.Version.VersionString;
/* Print SharpPcap version */
Console.WriteLine("SharpPcap {0}, Example7.DumpToFile.cs", ver);
Console.WriteLine();
/* Retrieve the device list */
List <PcapDevice> devices = SharpPcap.Pcap.GetAllDevices();
/*If no device exists, print error */
if (devices.Count < 1)
{
Console.WriteLine("No device found on this machine");
return;
}
Console.WriteLine("The following devices are available on this machine:");
Console.WriteLine("----------------------------------------------------");
Console.WriteLine();
int i = 0;
/* Scan the list printing every entry */
foreach (PcapDevice 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());
Console.Write("-- Please enter the output file name: ");
string capFile = Console.ReadLine();
PcapDevice device = devices[i];
//Register our handler function to the 'packet arrival' event
device.OnPacketArrival +=
new SharpPcap.Pcap.PacketArrivalEvent(device_PcapOnPacketArrival);
//Open the device for capturing
//true -- means promiscuous mode
//1000 -- means a read wait of 1000ms
device.Open(true, 1000);
//Open or create a capture output file
device.DumpOpen(capFile);
Console.WriteLine();
Console.WriteLine
("-- Listenning on {0}, hit 'Ctrl-C' to exit...",
device.Description);
//Start capture 'INFINTE' number of packets
device.Capture(SharpPcap.Pcap.INFINITE);
//Close the pcap device
//(Note: these lines will never be called since
// we're capturing infinite number of packets
device.DumpFlush();
device.DumpClose();
device.Close();
}
