Simple NodeJS TCP Load Balancer

tcpLoadBalancer.js

/* jslint node: true, ass: false, plusplus: true, sloppy: true, indent: 2
 *
 * A Simple TCP (Round Robin) Load Balancer.
 */

var net = require('net');
var port = 2333; // Listen port

var hosts = [
  { host: '127.0.0.1', port: 2033 },
  { host: '127.0.0.1', port: 2133 }
];

var rrc = 0;     // the round robin counter
var getNextHost = function () {
  rrc = ++rrc % hosts.length;
  return hosts[rrc];
};

var server = net.createServer(function (con) { // connection listener
  var connectOptions, client = null;
  con.on('data', function (data) {
    connectOptions = getNextHost();
    console.log('Sending data to:', connectOptions);
    client = net.connect(connectOptions, function () { // connect listener
      client.end(data); // send data and close the connection
    });
  });
});

console.log("Binding to port:", port);
server.listen(port);