From fe4cd285d096f6d8d24d5e1bc487df90461f87c6 Mon Sep 17 00:00:00 2001
From: Nick Farina <nfarina@gmail.com>
Date: Fri, 4 Sep 2015 10:05:37 -0700
Subject: [PATCH] Use once() to guard multiple callbacks

Mentioned in #95
---
 app.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/app.js b/app.js
index 3f0c275..8a92123 100644
--- a/app.js
+++ b/app.js
@@ -8,6 +8,7 @@ var Accessory = require('HAP-NodeJS').Accessory;
 var Service = require('HAP-NodeJS').Service;
 var Characteristic = require('HAP-NodeJS').Characteristic;
 var accessoryLoader = require('HAP-NodeJS').AccessoryLoader;
+var once = require('HAP-NodeJS/lib/util/once').once;
 
 console.log("Starting HomeBridge server...");
 
@@ -118,7 +119,7 @@ function loadPlatforms() {
 
 function loadPlatformAccessories(platformInstance, log) {
   asyncCalls++;
-  platformInstance.accessories(function(foundAccessories){
+  platformInstance.accessories(once(function(foundAccessories){
       asyncCalls--;
       
       // loop through accessories adding them to the list and registering them
@@ -137,7 +138,7 @@ function loadPlatformAccessories(platformInstance, log) {
       // were we the last callback?
       if (asyncCalls === 0 && !asyncWait)
         publish();
-  });
+  }));
 }
 
 function createAccessory(accessoryInstance, displayName) {