public IpSnifferWinPcap(string filter)
{
_filter = filter;
BufferSize = 1 << 24;
_devices = NpcapDeviceList.New();
//BasicTeraData.LogError(string.Join("\r\n",_devices.Select(x=>x.Description)),true,true);
//check for winpcap installed if not - exception to fallback to rawsockets
_devices = null;
}
private void Start()
{
Debug.Assert(_devices == null);
_devices = NpcapDeviceList.New();
var interestingDevices = _devices.Where(IsInteresting);
foreach (var device in interestingDevices)
{
device.OnPacketArrival += device_OnPacketArrival;
try
{
device.Open(DeviceMode.Normal, 100);
}
catch (Exception)
{
//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)
{
//Logger.Warn(
// $"Failed to set KernelBufferSize to {BufferSize.Value} on {device.Name}. {e.Message}");
}
}
device.StartCapture();
Debug.WriteLine("winpcap capture");
}
}