socket.io不发光

Question

So, I have this app called server and the other one called client , server providers all the data for the client to consume. The thing is, when i try to emit from server (port 8080) and receive to client (port 80) nothing happens

server: app.js

var app = require ("./config/server.js");

var http = require('http').createServer(app);
var io = require("socket.io")(http);

http.listen(8080, function(){
    console.log('Server side instagram_clone_v01 online');
});

io.sockets.on('connect', function (socket) {
    console.log("conectou socket.id="+socket.id);
});

When the server database insert new photo, this is called:

io.emit("newPhoto");

client: app.js

var app = require('./config/server');

app.listen(80, function(){
    console.log('Server client instagram_clone_v01 online');
});

var io = require('socket.io');

This is called inside a ejs code :

const socket = io.connect('http://localhost:8080', {transports: ['websocket', 'polling', 'flashsocket']});
socket.on('newPhoto',function(){
     load_posts();
});

Edited with the Answer of Federico

I added io.origins('*:*'); to server, but emit isn't emitting

Answer 1

I don't know why you are using io.sockets.on , I couldn't find it in the documentation. I've tried to clean the code, give it a try.

server.js

var app    = require ("./config/server.js");    
var http   = require('http').Server(app);
var io     = require("socket.io")(http);

http.listen(8080, function(){
    console.log('Server side instagram_clone_v01 online');
});

io.on('connect', socket => {

    console.log("user" + socket.request.user.id + "connected");

    socket.on('disconnect', function() {

        console.log('A user has disconnected');

    }

    io.emit("newPhoto");
});

client.js

    //io() works only when connecting to a socket hosted on the same url/server
    // For connecting to an external socket hosted elsewhere, you would use io.connect('URL');
    var socket = io();    
    socket.on('newPhoto',function(){
             load_posts();
        });

In the page where your user being redirected after login, you should include these scripts:

<script src="/socket.io/socket.io.js"></script>
<script src="/client.js"></script>