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index.js
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var sonos = require('sonos');
var Sonos = require('sonos').Sonos;
var _ = require('underscore');
var inherits = require('util').inherits;
var Service, Characteristic, VolumeCharacteristic;
var sonosDevices = new Map();
var sonosAccessories = [];
var Listener = require('../homebridge-sonos/node_modules/sonos/lib/events/listener');
module.exports = function(homebridge) {
Service = homebridge.hap.Service;
Characteristic = homebridge.hap.Characteristic;
// we can only do this after we receive the homebridge API object
makeVolumeCharacteristic();
homebridge.registerAccessory("homebridge-sonos", "Sonos", SonosAccessory);
}
//
// Node-Sonos Functions to process device information
//
function getZoneGroupCoordinator (zone) {
var coordinator;
sonosDevices.forEach(function (device) {
if (device.CurrentZoneName == zone && device.coordinator == 'true') {
coordinator = device;
}
});
if (coordinator == undefined) {
var zoneGroups = getZoneGroupNames(zone);
zoneGroups.forEach(function (group) {
sonosDevices.forEach(function (device) {
if (device.group == group && device.coordinator == 'true') {
coordinator = device;
}
});
});
}
return coordinator;
}
function getZoneGroupNames(zone) {
var groups = [];
sonosDevices.forEach(function (device) {
if (device.CurrentZoneName == zone) {
groups.push(device.group);
}
});
return groups;
}
function listenGroupMgmtEvents(device) {
var devListener = new Listener(device);
devListener.listen(function (listenErr) {
if (!listenErr) {
devListener.addService('/GroupManagement/Event', function (addServErr, sid) {
if (!addServErr) {
devListener.on('serviceEvent', function (endpoint, sid, data) {
sonosDevices.forEach(function (devData) {
var dev = new Sonos(devData.ip);
dev.getZoneAttrs(function (err, zoneAttrs) {
if (!err && zoneAttrs) {
device.getTopology(function (err, topology) {
if (!err && topology) {
var bChangeDetected = false;
topology.zones.forEach(function (group) {
if (group.location == 'http://' + devData.ip + ':' + devData.port + '/xml/device_description.xml') {
if (zoneAttrs.CurrentZoneName != devData.CurrentZoneName) {
devData.CurrentZoneName = zoneAttrs.CurrentZoneName;
}
if (group.coordinator != devData.coordinator || group.group != devData.group) {
devData.coordinator = group.coordinator;
devData.group = group.group;
bChangeDetected = true;
}
}
else {
var grpDevIP = group.location.substring(7, group.location.lastIndexOf(":"));
var grpDevData = sonosDevices.get(grpDevIP);
if (grpDevData != undefined) {
if (group.name != grpDevData.CurrentZoneName) {
grpDevData.CurrentZoneName = group.Name;
}
if (group.coordinator != grpDevData.coordinator || group.group != grpDevData.group) {
grpDevData.coordinator = group.coordinator;
grpDevData.group = group.group;
bChangeDetected = true;
}
}
}
});
if (bChangeDetected) {
sonosAccessories.forEach(function (accessory) {
var coordinator = getZoneGroupCoordinator(accessory.room);
accessory.log.debug("Target Zone Group Coordinator identified as: %s", JSON.stringify(coordinator));
if (coordinator == undefined) {
accessory.log.debug("Removing coordinator device from %s", JSON.stringify(accessory.device));
accessory.device = coordinator;
}
else {
var bUpdate = false;
if (accessory.device != undefined) {
if (accessory.device.host != coordinator.ip) bUpdate = true;
}
else {
bUpdate = true;
}
if (bUpdate) {
accessory.log("Changing coordinator device from %s to %s (from sonos zone %s) for accessory '%s' in accessory room '%s'.", accessory.device.host, coordinator.ip, coordinator.CurrentZoneName, accessory.name, accessory.room);
accessory.device = new Sonos(coordinator.ip);
}
else {
accessory.log.debug("No coordinator device change required!");
}
}
});
}
}
});
}
});
});
});
}
});
}
});
}
//
// Sonos Accessory
//
function SonosAccessory(log, config) {
this.log = log;
this.config = config;
this.name = config["name"];
this.room = config["room"];
this.mute = config["mute"];
if (!this.room) throw new Error("You must provide a config value for 'room'.");
this.service = new Service.Switch(this.name);
this.service
.getCharacteristic(Characteristic.On)
.on('get', this.getOn.bind(this))
.on('set', this.setOn.bind(this));
this.service
.addCharacteristic(VolumeCharacteristic)
.on('get', this.getVolume.bind(this))
.on('set', this.setVolume.bind(this));
this.search();
}
SonosAccessory.prototype.search = function() {
sonosAccessories.push(this);
var search = sonos.search(function(device, model) {
this.log.debug("Found device at %s", device.host);
var data = {ip: device.host, port: device.port, discoverycompleted: 'false'};
device.getZoneAttrs(function (err, attrs) {
if (!err && attrs) {
_.extend(data, {CurrentZoneName: attrs.CurrentZoneName});
}
device.getTopology(function (err, topology) {
if (!err && topology) {
topology.zones.forEach(function (group) {
if (group.location == 'http://' + data.ip + ':' + data.port + '/xml/device_description.xml') {
_.extend(data, group);
data.discoverycompleted = 'true';
}
else {
var grpDevIP = group.location.substring(7, group.location.lastIndexOf(":"));
var grpDevData = {ip: grpDevIP, discoverycompleted: 'false', CurrentZoneName: group.name};
_.extend(grpDevData, group);
if (sonosDevices.get(grpDevIP) == undefined) {
sonosDevices.set(grpDevIP, grpDevData);
}
}
}.bind(this));
}
if (sonosDevices.get(data.ip) == undefined) {
sonosDevices.set(data.ip, data);
}
else {
if (sonosDevices.get(data.ip).discoverycompleted == 'false') {
sonosDevices.set(data.ip, data);
}
}
var coordinator = getZoneGroupCoordinator(this.room);
if (coordinator != undefined) {
if (coordinator.ip == data.ip) {
this.log("Found a playable coordinator device at %s in zone '%s' for accessory '%s' in accessory room '%s'", data.ip, data.CurrentZoneName, this.name, this.room);
this.device = device;
search.destroy(); // we don't need to continue searching.
}
}
listenGroupMgmtEvents(device);
}.bind(this));
}.bind(this));
}.bind(this));
}
SonosAccessory.prototype.getServices = function() {
return [this.service];
}
SonosAccessory.prototype.getOn = function(callback) {
if (!this.device) {
this.log.warn("Ignoring request; Sonos device has not yet been discovered.");
callback(new Error("Sonos has not been discovered yet."));
return;
}
if (!this.mute) {
this.device.getCurrentState(function(err, state) {
if (err) {
callback(err);
}
else {
this.log.warn("Current state for Sonos: " + state);
var on = (state == "playing");
callback(null, on);
}
}.bind(this));
}
else {
this.device.getMuted(function(err, state) {
if (err) {
callback(err);
}
else {
this.log.warn("Current state for Sonos: " + state);
var on = (state == false);
callback(null, on);
}
}.bind(this));
}
}
SonosAccessory.prototype.setOn = function(on, callback) {
if (!this.device) {
this.log.warn("Ignoring request; Sonos device has not yet been discovered.");
callback(new Error("Sonos has not been discovered yet."));
return;
}
this.log("Setting power to " + on);
if (!this.mute){
if (on) {
this.device.play(function(err, success) {
this.log("Playback attempt with success: " + success);
if (err) {
callback(err);
}
else {
callback(null);
}
}.bind(this));
}
else {
this.device.stop(function(err, success) {
this.log("Stop attempt with success: " + success);
if (err) {
callback(err);
}
else {
callback(null);
}
}.bind(this));
}
}
else {
if (on) {
this.device.setMuted(false, function(err, success) {
this.log("Unmute attempt with success: " + success);
if (err) {
callback(err);
}
else {
callback(null);
}
}.bind(this));
}
else {
this.device.setMuted(true, function(err, success) {
this.log("Mute attempt with success: " + success);
if (err) {
callback(err);
}
else {
callback(null);
}
}.bind(this));
}
}
}
SonosAccessory.prototype.getVolume = function(callback) {
if (!this.device) {
this.log.warn("Ignoring request; Sonos device has not yet been discovered.");
callback(new Error("Sonos has not been discovered yet."));
return;
}
this.device.getVolume(function(err, volume) {
if (err) {
callback(err);
}
else {
this.log("Current volume: %s", volume);
callback(null, Number(volume));
}
}.bind(this));
}
SonosAccessory.prototype.setVolume = function(volume, callback) {
if (!this.device) {
this.log.warn("Ignoring request; Sonos device has not yet been discovered.");
callback(new Error("Sonos has not been discovered yet."));
return;
}
this.log("Setting volume to %s", volume);
this.device.setVolume(volume + "", function(err, data) {
this.log("Set volume response with data: " + data);
if (err) {
callback(err);
}
else {
callback(null);
}
}.bind(this));
}
//
// Custom Characteristic for Volume
//
function makeVolumeCharacteristic() {
VolumeCharacteristic = function() {
Characteristic.call(this, 'Volume', '91288267-5678-49B2-8D22-F57BE995AA93');
this.setProps({
format: Characteristic.Formats.INT,
unit: Characteristic.Units.PERCENTAGE,
maxValue: 100,
minValue: 0,
minStep: 1,
perms: [Characteristic.Perms.READ, Characteristic.Perms.WRITE, Characteristic.Perms.NOTIFY]
});
this.value = this.getDefaultValue();
};
inherits(VolumeCharacteristic, Characteristic);
}