arnweb-chat/index.js

63 lines
1.7 KiB
JavaScript

// Include dependencies
var app = require('express')();
var http = require('http').createServer(app);
var io = require('socket.io')(http)
// Set variables
const port = 9966;
var users = 0;
// Function for easy server broadcasts
function serverMsg(content) {
return {
'username': 'Server',
'mailHash': '470965550d3f019830c421f0535d9268',
'message': content
}
}
// Serve Client
app.get('/', function(req, res){
res.sendFile(__dirname + '/index.html');
});
// Socket.io server side
io.on('connection', function (socket) {
// Send identification request to client
socket.emit('user_identify');
// Bind username and mailhash to client
socket.on('user_login', function (user) {
socket.username = user.username;
socket.mailHash = user.mailHash;
io.emit('message_receive', serverMsg(`${socket.username} has connected`));
users++;
});
// Send disconnect broadcast to all clients
socket.on('disconnect', function () {
io.emit('message_receive', serverMsg(`${socket.username} has disconnected`));
users--;
});
// Handle messages
socket.on('message_send', function (message) {
// Build message data for clients
if (message !== '') {
var msg = {
'username': socket.username,
'mailHash': socket.mailHash,
'message': message
}
// Send message to clients
io.emit('message_receive', msg);
} else {
socket.emit('message_receive', serverMsg(`Empty messages will not be sent.`));
}
});
});
// Start http server
http.listen(port, function() {
console.log(`Listening on port ${port}`);
});