gistfile1.js

db.open(function(p_db) {
  var agent_smith = new AgentSmith();
  agent_smith.init(db, function() {
    http.createServer(function(req, res) {
      try {
        agent_smith.serveRequest(req, res);
      } catch(e) {
        agent_smith.handleError(req, res, e);
      }
    }).listen(config.listen_port);
  });

  sys.puts('Tracking server running at http://*:' + config.listen_port + '/tracking_pixel.gif');
});