private void W_PopPacket(object sender, byte[] e)
{
if (DebugLogger.LogNeeded())
{
var _ = DebugLogger.LogPacketWithTimestamp(e);
}
PacketPoped?.Invoke(sender, e);
}
public async void Init()
{
if (running)
{
return;
}
adapterFactory = await AdapterConfig.GetAdapterFactoryFromDefaultFile();
running = true;
taskChannel = Channel.CreateUnbounded <Action>(new UnboundedChannelOptions()
{
SingleReader = true
});
var _ = Task.Run(() => doWork());
wintun.PacketPoped += W_PopPacket;
TcpSocket.EstablishedTcp += W_EstablishTcp;
wintun.Init();
int i = 0;
while (running)
{
i++;
await executeLwipTask(() =>
{
wintun.CheckTimeout();
return(0);
}).ConfigureAwait(false);
if (i % 10 == 0)
{
tunAdapters.RemoveAll(w => !w.TryGetTarget(out var a) /* TODO: || a.IsShutdown == 1 */);
if (DebugLogger.LogNeeded())
{
DebugLogger.Log("# of connections in local stack: " + ConnectionCount);
DebugLogger.Log($"# of open/all adapters: {TunSocketAdapter.OpenCount} {tunAdapters.Count}");
DebugLogger.Log($"# of recv/send: {TunSocketAdapter.RecvingCount} {TunSocketAdapter.SendingCount}");
}
}
await Task.Delay(250).ConfigureAwait(false);
}
}
public void PushPacket([ReadOnlyArray] byte[] packet)
{
// Packets must contain valid IPv4 headers
if (packet.Length < 20 || packet[0] >> 4 != 4)
{
return;
}
var proto = packet[9];
switch (proto)
{
case 6: // TCP
break;
case 17: // UDP
break;
default:
return;
}
if (DebugLogger.LogNeeded())
{
var _ = DebugLogger.LogPacketWithTimestamp(packet);
}
if (proto == 6)
{
_ = executeLwipTask(() => wintun.PushPacket(packet));
}
else
{
try
{
TunDatagramAdapter.ProcessIpPayload(packet, this);
}
catch (Exception ex)
{
DebugLogger.Log("Error processing udp ip packet: " + ex.ToString());
}
}
}