public async Task <int> ConnectToInterface(TunnelRequest req)
{
try
{
_connId = new Random().Next(1, 255);
await _knxConn.Connect();
TunnelResponse res = new TunnelResponse();
res.Type = TunnelTypes.Connect;
res.SequenceNumber = req.SequenceNumber;
res.Group = req.Group;
res.ChannelId = req.ChannelId;
res.ConnId = _connId;
Group = req.Group;
ChannelId = req.ChannelId;
_ = _conn.Send(res, false);
}
catch (Exception ex)
{
TunnelResponse res = new TunnelResponse();
res.Group = req.Group;
res.ChannelId = req.ChannelId;
res.ConnId = 0;
res.Data = Encoding.UTF8.GetBytes(ex.Message);
_ = _conn.Send(res, false);
}
return(_connId);
}
public async Task Connect()
{
Debug.WriteLine(DateTime.Now);
TunnelRequest req = new TunnelRequest(Encoding.UTF8.GetBytes(Hash));
req.Type = TunnelTypes.Connect;
IRemoteMessage resp = await _conn.Send(req);
if (resp == null)
{
throw new Exception("Keine Antwort vom Remote Server");
}
TunnelResponse response = resp as TunnelResponse;
if (response == null)
{
throw new Exception("Unerwartete Antwort vom Remote Server: " + response.ToString());
}
IsConnected = true;
_connId = response.ConnId;
Debug.WriteLine(DateTime.Now);
Debug.WriteLine("Verbunden");
}
private async void _conn_OnRequest(IRemoteMessage message)
{
if (message is TunnelRequest)
{
TunnelRequest req = message as TunnelRequest;
if (req.ConnId != 0 && req.ConnId != _connId)
{
return;
}
switch (req.Type)
{
case TunnelTypes.Tunnel:
IMessage msg = (IMessage)JsonConvert.DeserializeObject(Encoding.UTF8.GetString(req.Data), new JsonSerializerSettings()
{
TypeNameHandling = TypeNameHandling.Auto
});
Debug.WriteLine("Tunnel: " + msg);
byte seq = await _knxConn.Send(msg);
TunnelResponse req2 = new TunnelResponse(new byte[] { seq });
req2.Type = TunnelTypes.Response;
req2.ConnId = req.ConnId;
req2.SequenceNumber = req.SequenceNumber;
_ = _conn.Send(req2, false);
break;
}
}
}
private void OnTunnelActivity(IMessage message)
{
TunnelResponse req = new TunnelResponse();
req.Type = TunnelTypes.Tunnel;
req.ConnId = _connId;
req.Data = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(message, new JsonSerializerSettings()
{
TypeNameHandling = TypeNameHandling.All
}));
_ = _conn.Send(req, false);
}
public async Task <IRemoteMessage> Send(IRemoteMessage message, bool waitForResponse = true)
{
if (socket == null || socket.State != WebSocketState.Open)
{
return(null);
}
IRemoteMessage mesg = null;
try
{
if (message.SequenceNumber == -1)
{
message.SequenceNumber = SequenceNumber++;
}
if (message is TunnelRequest)
{
TunnelRequest req = message as TunnelRequest;
if (req.ChannelId == 0)
{
req.ChannelId = Remotes[req.ConnId].ChannelId;
}
if (req.Group == "")
{
req.Group = Remotes[req.ConnId].Group;
}
}
if (message is TunnelResponse)
{
TunnelResponse res = message as TunnelResponse;
if (res.ChannelId == 0)
{
res.ChannelId = Remotes[res.ConnId].ChannelId;
}
if (res.Group == "")
{
res.Group = Remotes[res.ConnId].Group;
}
}
await socket.SendAsync(message.GetBytes(), WebSocketMessageType.Binary, true, source.Token);
mesg = await WaitForResponse(message.SequenceNumber);
}catch (Exception ex)
{
}
return(mesg);
}
