Not able to connect Node.JS Sever using Socket.io in Windows from a Linux System in LAN where client(using C++) is running

[Pradyot Hota]

Hello Everyone,,
I was going through some projects using Node.JS and Socket.io, Now, i am doing something similar where i have written a client application in C++ using Websockets trying to connect a Node.js/Socket.IO server running in a LAN connectivity. I found the server application is not responding at all. I tried a couple of other options from client side eventually getting no response from the server. Basically, i am trying to send a JSON object to the system running SocketIO server.

From Client Side i am trying to connect to server using :: connect ws://localhost:3000 , Server is listening on port 3000. I find no response on to  the server part.

Help, is really appreciated. Thank you.

[boby rahmawan]

Hi Pradyot, would u like to show us your sample code? And the error if any. Thanks

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[Jimb Esser]

Socket.IO and WebSockets are not the same thing.  Socket.IO is a layer on top of WebSockets (and other transport layers).  If you're using vanilla WebSockets in C++, you will not be able to send messages to a Socket.IO server (Socket.IO needs to do some handshaking and heartbeating and wrapping messages in appropriate ways).

If you just want WebSockets (and not all of the fallbacks for old browsers using other transports Socket.IO provides), you may want to simply use WebSockets.  The ws library is pretty standard (and is, I think, what Socket.IO uses for it's own WebSockets layer).

Hope this helps,

  Jimb Esser