TCP Hello TCP Daemon

hello.js

#!/bin/env node

var NET = require('net');

var ClientHandler = function (conn) {
  this.bkspace = new Buffer([8,8,8]);
  this._conn = conn;
  this._running = true;
  this._remoteAddress = this._conn.remoteAddress;
  this._remotePort = this._conn.remotePort;
  this._conn.on('end', this.disconnect.bind(this));
  this._last = '\\o/';
  this._next = '|o|';
  console.log(this._remoteAddress + ':' + this._remotePort + ' Connected.');
  this._intervalId = setInterval(this.wave_at.bind(this), 150);
};

ClientHandler.prototype.wave_at = function () {
  if (this._running === true) {
    this._conn.write(this.bkspace);
    this._conn.write(this._next);
    var tmp = this._last;
    this._last = this._next;
    this._next = tmp;
  }
};

ClientHandler.prototype.disconnect = function () {
  this._running = false;
  clearInterval(this._intervalId);
  console.log(this._remoteAddress + ':' + this._remotePort + ' Disconnected.');
};

var srv = NET.createServer(function (client) {
  var c = new ClientHandler(client);
});

srv.listen(1338, function () {
  console.log('Listening *:1338');
});