static void Main(string[] args)
{
Device device = new Device("TUNTEST");
device.setMediaStatusAsConnected();
device.setTunMode("10.111.111.1", "255.0.0.0");
var mtu = device.getMTU();
logger.Debug("MTU: {0}", mtu);
Tap = device.getStream();
var udpForwarder = new UDPForwarder(Tap);
var tcpForwarder = new TCPForwarder(Tap);
object state = new int();
WaitObject = new EventWaitHandle(false, EventResetMode.AutoReset);
IAsyncResult res;
while (true)
{
byte[] buf = new byte[mtu];
BytesRead = Tap.Read(buf, 0, buf.Length);
if (BytesRead <= 0)
{
break;
}
logger.Debug("Read " + BytesRead.ToString());
try
{
var frame = IPFrame.Create(buf.Take(BytesRead).ToArray());
logger.Debug("Version: " + frame.Version);
logger.Debug("Protocol Type: " + frame.Protocol);
logger.Debug("Source Address: " + frame.SourceAddress.ToString());
logger.Debug("Dest Address: " + frame.DestinationAddress.ToString());
var parser = new ProtocolParser();
parser.ParseCompleteFrame(frame);
if (frame.EncapsulatedFrame.FrameType == FrameTypes.UDP)
{
udpForwarder.forwardFrame(frame);
}
else if (frame.EncapsulatedFrame.FrameType == FrameTypes.TCP)
{
tcpForwarder.forwardFrame(frame);
}
}
catch (Exception e)
{
logger.Error(e);
}
//
// Reverse IPv4 addresses and send back to tun
//
//for (int i = 0; i< 4; ++i)
//{
// byte tmp = buf[12+i]; buf[12+i] = buf[16+i]; buf[16+i] = tmp;
//}
//res2 = Tap.BeginWrite(buf, 0, BytesRead, ar => {
// Tap.EndWrite(ar);
// WaitObject2.Set();
//}, state2);
//WaitObject2.WaitOne();
}
}
static void ListenTest(GpioPin pin)
{
PinPulse(pin, 2000);
using (Socket soc = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.IPv4))
{
IPEndPoint ep = new IPEndPoint(IPAddress.Any, 6501);
soc.Bind(ep);
soc.Listen(1);
while (true)
{
Socket client = null;
int BytesRead;
try
{
Console.WriteLine(DateTime.UtcNow.ToString() + "Accept client");
client = soc.Accept();
Console.WriteLine(DateTime.UtcNow.ToString() + "Accepted");
PinPulse(pin, 500);
client.ReceiveTimeout = 10000;
NetworkStream stream = new NetworkStream(client);
byte[] buffer = new byte[100];
// Echo back everything we receive and toggle Led
while ((BytesRead = stream.Read(buffer, 0, buffer.Length)) != 0)
{
stream.Write(buffer, 0, BytesRead);
Console.WriteLine(DateTime.UtcNow.ToString() + "Read/Write " + BytesRead.ToString());
pin.Toggle();
}
Console.WriteLine(DateTime.UtcNow.ToString() + "connection ending");
}
catch (Exception ex) {
Console.WriteLine(DateTime.UtcNow.ToString() + "Ex " + ex.Message);
};
if (client != null)
{
client.Close();
}
break;
}
}
}