A simple Carousel RDA Proxy that can turn tags on and off

RDAProxy.js

var http = require('http');
var net = require('net');
var url = require('url');

//Config Settings
var HOST = 'demo.trms.com';
var PORT = 56906;
var USERNAME = 'Admin';
var PASSWORD = 'demotrms';

http.createServer(function(req, res) {
  
  var reqUrl = url.parse(req.url, true);
  if(reqUrl.pathname === '/changestatus') {
    var status = reqUrl.query.status;
    var tag = reqUrl.query.tag;
    res.writeHead(200, {'Content-Type': 'text/plain'});
  
    var command = buildRDACommand(tag, status);
    sendRDACommand(command);
  }
  
  res.end('Carousel RDA Proxy\n');
}).listen(1337, '127.0.0.1');

console.log('RDA Proxy server running');

function sendRDACommand(command) {
  var client = new net.Socket();

   client.connect(PORT, HOST, function() {
     console.log('CONNECTED TO: ' + HOST + ':' + PORT);
     client.write(command);
   });

   client.on('data', function(data) {
     console.log('DATA: ' + data);
     client.destroy();
   });

   client.on('close', function() {
     console.log('Connection closed');
   });
}

function buildRDACommand(tag, status) {
  var command = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n";
  command += "<CarouselCommand xmlns=\"http://www.trms.com/CarouselRemoteCommand\">\n";
  command += "<ChangePageStatus>\n";
  command += "<UserName>" + USERNAME + "</UserName>\n"
  command += "<Password>" + PASSWORD + "</Password>\n";
  command += "<SelectBulletinTags>\n";
  command += "<Tag>" + tag + "</Tag>\n";
  command += "</SelectBulletinTags>\n";
  command += "<Status>" + status + "</Status>\n";
  command += "</ChangePageStatus>\n";
  command += "</CarouselCommand>\n";
  
  return command;
}