node-dbus PulseAudio problem

node-dbus_pulse_demo

'use strict';

var Dbus = require('node-dbus');

getAddress();

var timeout = setTimeout(function() {}, 1000);

function getAddress(path, cb){
  var msg =  Object.create(Dbus.DBusMessage, {
    bus: {
      value: Dbus.DBUS_BUS_SESSION
    },
    destination: {
      value: 'org.pulseaudio.Server'
    },
    path: {
      value: '/org/pulseaudio/server_lookup1'
    },
    iface: {
      value: 'org.freedesktop.DBus.Properties'
    },
    member: {
      value: 'Get',
    },
    type: {
      value: Dbus.DBUS_MESSAGE_TYPE_METHOD_RETURN,
      writable: true
    },
    timeout: {
      value: 5000
    }
  });

  msg.on('error', onError);
  msg.on('methodResponse', onAddress);
  msg.appendArgs('ss', 'org.PulseAudio.ServerLookup1', 'Address');
  msg.send();
};

function onError(err) {
  console.log('ERROR', err);
}

function onAddress(addr) {
  console.log('PULSE BUS ADDRESS', addr);

  var msg =  Object.create(Dbus.DBusMessage, {
    address: {
      value: addr
    },
    destination: {
      value: ''
    },
    path: {
      value: '/org/pulseaudio/core1'
    },
    iface: {
      value: 'org.freedesktop.DBus.Properties'
    },
    member: {
      value: 'Get',
    },
    type: {
      value: Dbus.DBUS_MESSAGE_TYPE_METHOD_RETURN,
      writable: true
    },
    timeout: {
      value: 5000
    }
  });

  msg.on('methodResponse', function(name) {
    console.log('NAME', name);
  });

  msg.on('error', onError);
  msg.appendArgs('ss', 'org.PulseAudio.Core1', 'Name');

  // Error will be emitted.
  msg.send();
}