private function doQuery($nameServer, $transport, $queryData, $name) : PromiseInterface
{
$response = new Message();
$deferred = new Deferred();
$retryWithTcp = function () use($nameServer, $queryData, $name) {
return $this->doQuery($nameServer, 'tcp', $queryData, $name);
};
$connection = $this->createConnection($nameServer, $transport);
$timer = $this->loop->addTimer($this->timeout, function () use($connection, $name, $deferred) {
$connection->close();
$deferred->reject(new TimeoutException($name));
});
$connection->on('data', function ($data) use($retryWithTcp, $connection, &$response, $transport, $deferred, $timer) {
$responseReady = $this->parser->parseChunk($data, $response);
if (!$responseReady) {
return;
}
$timer->cancel();
if ($response->header->isTruncated()) {
if ('tcp' === $transport) {
$deferred->reject(new BadServerException('The server set the truncated bit although we issued a TCP request'));
} else {
$connection->end();
$deferred->resolve($retryWithTcp());
}
return;
}
$connection->end();
$deferred->resolve($response);
});
$connection->write($queryData);
return $deferred->promise();
}
