Belkin Wemo toggle using Node.js

nodeWemoToggle.js

var value = process.argv[2];
if (typeof value == "undefined") {
  console.log('usage : node toggleWemo [0:1]');
  process.exit(1);
}

var http = require('http-debug').http;
http.debug = 2;

var wemoIP = '172.20.10.2';
var wemoPort = '49153';
var wemoPath = '/upnp/control/basicevent1';

var data = '<?xml version="1.0" encoding="utf-8"?>'
+ '<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">'
+ ' <s:Body>'
+ '   <u:SetBinaryState xmlns:u="urn:Belkin:service:basicevent:1">'
+ '     <BinaryState>'+ value +'</BinaryState>'
+ '   </u:SetBinaryState>'
+ ' </s:Body>'
+ '</s:Envelope>'

var options = {
  host: wemoIP,
  path: wemoPath,
  port: wemoPort,
  method: 'POST',
  headers: {
    'Accept': ' ',
    'Content-type': 'text/xml; charset="utf-8"',
    'SOAPACTION': '"urn:Belkin:service:basicevent:1#SetBinaryState"'
  }
};

callback = function(response) {
  var str = ''
  response.on('data', function (chunk) {
    str += chunk;
  });

  response.on('end', function () {
    console.log(str);
  });
}

var req = http.request(options, callback);
req.write(data);
req.end();