A simple nodejs/socket.io chat

client.js

var socket = require('socket.io-client')('http://127.0.0.1:3000');
  socket.on('connect', function(){});
  socket.on('event', function(data){});
  socket.on('disconnect', function(){});

var readline = require('readline');
var rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout,
  terminal: false
});

rl.on('line', function(line){
  socket.emit('chat message',line);
})

index.js

var app = require('express')();
var http = require('http').Server(app);
var io = require('socket.io')(http);

io.on('connection', function(socket){
  console.log('a user connected');
  socket.on('disconnect',function(){
    console.log('user disconnected');
  });
});

io.on('connection', function(socket){
  socket.on('chat message', function(msg){
    console.log('message: ' + msg);
  });
});

http.listen(3000, function(){
  console.log('listening on *:3000');
});