chat.js

var http = require('http'),
    sys  = require('sys'),
    fs   = require('fs'),
    ws   = require('./ws.js');

var clients = [];

http.createServer(function(request, response)
 {
  response.writeHead(200,
 {
    'Content-Type': 'text/html'
 });

  var rs = fs.createReadStream(__dirname + '/template.html');
  sys.pump(rs, response);

 }).listen(8080);
ws.createServer(function(websocket)
 {

  var username;

  websocket.on('connect', function(resource)
 {
    clients.push(websocket);
    websocket.write('Welcome to this chat server!');
    websocket.write('Please input your username:');
    websocket.write('Please input your username:');
 });

  websocket.on('data', function(data)
 {
    if (!username)
   {
      username = data.toString();
      websocket.write('Welcome, ' + username + '!');
      return;
   }
  
    var feedback = username + ' said: ' + data.toString();

    clients.forEach(function(client)
   {
      client.write(feedback);
   });
 });

  websocket.on('close', function()

 {
    var pos = clients.indexOf(websocket);
    if (pos >= 0)
    {
      clients.splice(pos, 1);
    }
   });

}).listen(8080);