private void Start()
{
Debug.Assert(_devices == null);
_devices = LibPcapLiveDeviceList.New();
var interestingDevices = _devices.Where(IsInteresting);
foreach (var device in interestingDevices)
{
device.OnPacketArrival += device_OnPacketArrival;
try { device.Open(DeviceMode.Normal, 100); }
catch (Exception e)
{
Logger.Warn($"Failed to open device {device.Name}. {e.Message}");
continue;
}
device.Filter = _filter;
/*
* if (BufferSize != null)
* {
* try { device.KernelBufferSize = (uint) BufferSize.Value; }
* catch (Exception e) { Logger.Warn($"Failed to set KernelBufferSize to {BufferSize.Value} on {device.Name}. {e.Message}"); }
* }
*/
device.StartCapture();
Console.WriteLine("winpcap capture");
}
}
private void Finish()
{
Debug.Assert(_devices != null);
foreach (var device in _devices.Where(device => device.Opened))
{
try { device.StopCapture(); }
catch
{
// ignored
}
//SharpPcap.PcapException: captureThread was aborted after 00:00:02 - it's normal when there is no traffic while stopping
device.Close();
}
_devices = null;
}