From 029f92f821005221ece0fdb4a882c931dd9bf18f Mon Sep 17 00:00:00 2001
From: Cameron Gutman <aicommander@gmail.com>
Date: Sat, 27 Aug 2016 16:58:35 -0700
Subject: [PATCH] Fix mDNS adding and updating hosts

---
 static/js/index.js | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

diff --git a/static/js/index.js b/static/js/index.js
index 59e0ff8..0237527 100644
--- a/static/js/index.js
+++ b/static/js/index.js
@@ -744,15 +744,24 @@ function onWindowLoad(){
     findNvService(function (finder, opt_error) {
         if (finder.byService_['_nvstream._tcp']) {
             var ips = Object.keys(finder.byService_['_nvstream._tcp']);
-            for (var ip in ips) {
+            for (var i in ips) {
+                var ip = ips[i];
                 if (finder.byService_['_nvstream._tcp'][ip]) {
                     var mDnsDiscoveredHost = new NvHTTP(ip, myUniqueid);
-                    if(hosts[mDnsDiscoveredHost.serverUid] != null) {
-                        // if we're seeing a host we've already seen before, update it for the current local IP.
-                        hosts[mDnsDiscoveredHost.serverUid].address = mDnsDiscoveredHost.address;
-                    } else {
-                        addHostToGrid(mDnsDiscoveredHost);
-                    }
+                    mDnsDiscoveredHost.pollServer(function() {
+                        // Just drop this if the host doesn't respond
+                        if (!mDnsDiscoveredHost.online) {
+                            return;
+                        }
+
+                        if (hosts[mDnsDiscoveredHost.serverUid] != null) {
+                            // if we're seeing a host we've already seen before, update it for the current local IP.
+                            hosts[mDnsDiscoveredHost.serverUid].address = mDnsDiscoveredHost.address;
+                        } else {
+                            beginBackgroundPollingOfHost(mDnsDiscoveredHost);
+                            addHostToGrid(mDnsDiscoveredHost);
+                        }
+                    });
                 }
             }
         }