Scouting in Zetta.

index.js

var sonos = require('sonos');
var Scout = require('zetta-scout');
var util = require('util');
var SonosDriver = require('./sonos_driver');

//We inherit from scout to get some Zetta functionality 
var SonosScout = module.exports = function() {
  Scout.call(this);
};
util.inherits(SonosScout, Scout);

//Zetta calls this function to actually initialize a scout in the system
SonosScout.prototype.init = function(next) {
  var self = this;
  //We use the sonos specific library to search for devices. It should be able to speak the SOAP API with the device itself.
  //We just want to make sure we can access that device in JavaScript.
  sonos.search(function(device) {
    //Callback is fired for every device found on the network.
    //We call the discover method to tell Zetta a new Sonos driver came online.
    //Any extra arguments passed to discover will get passed on to the constructor of SonosDriver
    self.discover(SonosDriver, device);
    //Move to the next scout.
    next();
  });
};