Pass along $this Socket in message events

Author: clue

Datagram/Socket.php

@@ -73,7 +73,7 @@ public function onReceive($message)
             return;
         }
 
-        $this->emit('message', array($data, $this->sanitizeAddress($peer)));
+        $this->emit('message', array($data, $this->sanitizeAddress($peer), $this));
     }
 
     public function close()

Datagram/SocketInterface.php

@@ -5,8 +5,8 @@
 use Evenement\EventEmitterInterface;
 
 /**
- * @event message($data, $remoteAddress)
- * @event error($exception)
+ * @event message($data, $remoteAddress, $thisSocket)
+ * @event error($exception, $thisSocket)
  */
 interface SocketInterface extends EventEmitterInterface
 {

example/server.php

@@ -7,7 +7,7 @@
 $factory = new Datagram\Factory($loop);
 
 $factory->createServer(1234)->then(function (Datagram\Socket $server) {
-    $server->on('message', function($message, $address) use ($server) {
+    $server->on('message', function($message, $address, $server) {
         $server->send('hello ' . $address . '! echo: ' . $message, $address);
 
         echo 'client ' . $address . ': ' . $message . PHP_EOL;