How can I create WebServer and WebSocket on one port (80)?

[espruino-discuss3]

Posted at 2018-02-06 by user85997

All the examples I saw work on different ports (for example 80 + 8800, ...) I'm just starting an acquaintance. And for my project you need this functionality.

[espruino-discuss3]

Posted at 2018-02-06 by Ollie

Here is snippet that may help. You could use port 80 if wished.

servePage is a function which serves a simple html page, but you could use this function for more complicated router type logic.

var server = require('ws').createServer(servePage);
      server.listen(8000);
      server.on("websocket", function(ws) {
        ws.on('message', function(evt){
        // handle the message
        });
      });

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Posted at 2018-02-06 by user85997

How should I write this together with:

var server = require("http").createServer();
server.listen(8000);

?

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Posted at 2018-02-06 by @gfwilliams

It's just as shown here: http://www.espruino.com/ws#websocket-server

Creating a WebSocket server on a port also creates an HTTP server on that same port. You can see that onPageRequest gets called in the example, and that's exactly the same function that'd get called if you did http.createServer(onPageRequest).listen(8080);.

Hope that helps!