Merge pull request #41 from clue-labs/dns-multiple

Support falling back to multiple DNS servers from DNS config

Author: clue

composer.json

@@ -40,7 +40,7 @@
         "php": ">=5.3",
         "evenement/evenement": "^3.0 || ^2.0 || ^1.0",
         "react/event-loop": "^1.0 || ^0.5 || ^0.4 || ^0.3",
-        "react/dns": "^1.1",
+        "react/dns": "^1.7",
         "react/promise": "~2.1|~1.2"
     },
     "require-dev": {

src/Factory.php

@@ -28,10 +28,12 @@ public function __construct(LoopInterface $loop, ResolverInterface $resolver = n
         if ($resolver === null) {
             // try to load nameservers from system config or default to Google's public DNS
             $config = DnsConfig::loadSystemConfigBlocking();
-            $server = $config->nameservers ? \reset($config->nameservers) : '8.8.8.8';
+            if (!$config->nameservers) {
+                $config->nameservers[] = '8.8.8.8'; // @codeCoverageIgnore
+            }
 
             $factory = new DnsFactory();
-            $resolver = $factory->create($server, $loop);
+            $resolver = $factory->create($config, $loop);
         }
 
         $this->loop = $loop;