private function buildResponse(Query $query, array $cachedRecords) : Message
{
$response = new Message();
$response->header->set('id', $this->generateId());
$response->header->set('qr', 1);
$response->header->set('opcode', Message::OPCODE_QUERY);
$response->header->set('rd', 1);
$response->header->set('rcode', Message::RCODE_OK);
$response->questions[] = new Record($query->getName(), $query->getType(), $query->getClass());
foreach ($cachedRecords as $record) {
$response->answers[] = $record;
}
$response->prepare();
return $response;
}
private function serializeQueryToIdentity(Query $query)
{
return $query->getName() . ':' . $query->getType() . ':' . $query->getClass();
}