Finally, I've a TCP socket working on Glitch

Glitch Help
1

Hey, finally I have a TCP socket working on Glitch. I’m using the WebSocket handshaking in order to set up the socket channel, and it works. The socket is opened and I can send data from c# client to node.js glitch app but, there is always a but, I can receive data from client, but I don’t know why I can send anything back. Maybe I’m missing something in my handshake:

Client sends:

GET / HTTP/1.1
Host: tcp-socket.glitch.me
Upgrade: WebSocket
Connection: Upgrade
\n

And then, the server responds (yes, this one is sent to the client :-?):

  HTTP / 1.1 101 WebSocket Protocol Handshake
  Upgrade: WebSocket
  Connection: Upgrade
  \n
  \n

After that, I can send whatever I want from the client to the server but I can’t send anything from server to client.

Heeelp!!!

2 Likes
2

Nevermind, client issue it works like a charm!

3

Yes, sending HTTP requests and responses through TCP sockets works, but what about non HTTP data?

4

No problem, I’m sending binary data from and to the node.js server.

Well, when receiving data I have to be more careful because tcp is a stream type communication and it may not have received all the datagram. I use a simple protocol in which the first two bytes indicate the length of the datagram.

All received data is stored in a circular buffer for later processing into datagrams.

5

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