Downlink/Uplink graph

link-graph.js

/*
 * A very fast and quick download/upload graph for your fritz.box.
 * This is not optimized.
 *
 * Dependencies:
 * - andrewjstone/cli-chart @ ~0.3.1
 * - sgade/router-upnp @ ~0.2.0
 *
 * */

var Chart = require('cli-chart');
var FritzBoxUPNP = require('router-upnp').FritzBoxUPNP;

var box = null;
var chart = new Chart({
  xlabel: 'time',
  ylabel: 'byte/s',
  direction: 'y',
  width: 80,
  height: 10,
  step: 1
});

function pollAndDraw() {
  box.getByteReceiveRate(function(err, rate) {
    if ( !!err ) {
      throw err;
    }

    chart.addBar(rate, 'blue');

    box.getByteSendRate(function(err, rate) {
      if ( !!err ) {
        throw err;
      }

      chart.addBar(rate, 'green');
      chart.draw();

      setTimeout(pollAndDraw, 1000);
    });
  })
}

function main() {
  box = new FritzBoxUPNP();
  box.serviceDiscovery(function(err) {
    if ( !!err ) {
      throw err;
    }

    pollAndDraw();
  });
}
main();