Add the ability to remove services/characteristics

lib/api.js

@@ -143,6 +143,10 @@ API.prototype.registerPlatformAccessories = function(pluginName, platformName, a
   this.emit('registerPlatformAccessories', accessories);
 }
 
+API.prototype.updatePlatformAccessories = function(accessories) {
+  this.emit('updatePlatformAccessories', accessories);
+}
+
 API.prototype.unregisterPlatformAccessories = function(pluginName, platformName, accessories) {
   for (var index in accessories) {
     var accessory = accessories[index];

lib/platformAccessory.js

@@ -60,6 +60,28 @@ PlatformAccessory.prototype.addService = function(service) {
   return service;
 }
 
+PlatformAccessory.prototype.removeService = function(service) {
+  var targetServiceIndex;
+
+  for (var index in this.services) {
+    var existingService = this.services[index];
+    
+    if (existingService === service) {
+      targetServiceIndex = index;
+      break;
+    }
+  }
+
+  if (targetServiceIndex) {
+    this.services.splice(targetServiceIndex, 1);
+    service.removeAllListeners();
+
+    if (this._associatedHAPAccessory) {
+      this._associatedHAPAccessory.removeService(service);
+    }
+  }
+}
+
 /**
  * searchs for a Service in the services collection and returns the first Service object that matches.
  * If multiple services of the same type are present in one accessory, use getServiceByUUIDAndSubType instead.

lib/server.js

@@ -32,6 +32,10 @@ function Server(insecureAccess) {
     this._handleRegisterPlatformAccessories(accessories);
   }.bind(this));
 
+  this._api.on('updatePlatformAccessories', function(accessories) {
+    this._handleUpdatePlatformAccessories(accessories);
+  }.bind(this));
+
   this._api.on('unregisterPlatformAccessories', function(accessories) {
     this._handleUnregisterPlatformAccessories(accessories);
   }.bind(this));
@@ -408,6 +412,11 @@ Server.prototype._handleRegisterPlatformAccessories = function(accessories) {
   this._updateCachedAccessories();
 }
 
+Server.prototype._handleUpdatePlatformAccessories = function(accessories) {
+  // Update persisted accessories
+  this._updateCachedAccessories();
+}
+
 Server.prototype._handleUnregisterPlatformAccessories = function(accessories) {
   var hapAccessories = [];
   for (var index in accessories) {