Esempio n. 1
0
 /**
  * Parse a DNS answer record and add it to the given response.
  * 
  * @param Response $response
  */
 protected function parseAnswer(Response $response) : \Generator
 {
     $host = (yield from $this->transport->readLabel());
     $type = (yield from $this->transport->readShort());
     $class = (yield from $this->transport->readShort());
     $ttl = (yield from $this->transport->readLong());
     $len = (yield from $this->transport->readShort());
     switch ($type) {
         case Message::TYPE_A:
         case Message::TYPE_AAAA:
             $data = \inet_ntop(yield from $this->transport->read($len));
             break;
         case Message::TYPE_CNAME:
             $data = (yield from $this->transport->readLabel());
             break;
         default:
             $data = (yield from $this->transport->read($len));
     }
     $response->addAnswer($host, $type, $class, $data, $ttl & 0x80000000 ? $ttl - 0xffffffff : $ttl);
 }