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server.js
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server.js
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const express = require('express');
const app = express();
const session = require('express-session');
users = [];
connections = [];
const server = require('http').createServer(app);
const io = require('socket.io').listen(server);
server.listen(3000);
console.log('server running...');
// app.use(session)
// Login page
app.use(express.static('public'));
// Socket Connections
io.sockets.on('connection', function(socket){
connections.push(socket);
console.log('Connected: %s sockets connected', connections.length);
//diconnect
socket.on('disconnect', function(data){
users.splice(users.indexOf(socket),1);
updateUsernames();
connections.splice(connections.indexOf(socket),1);
console.log('Disconnected %s sockets connected',connections.length);
});
//Typing event handler
socket.on('typing', function(data){
socket.broadcast.emit('typing', data);
console.log('username:'+ data);
});
//send message
socket.on('send message', function(data){
console.log(data);
io.sockets.emit('new message', {msg: data, user: socket.username});
});
// New User handler
socket.on('new user', function(data, callback){
callback(true);
socket.username = data;
users.push(socket.username);
updateUsernames();
console.log('New user '+ data +' logged on...');
});
function updateUsernames(){
io.sockets.emit('get users', users)
}
})