Current File : //data/www_bck/varak.net_bck/ampache.varak.net/modules/React/Dns/Resolver/Factory.php
<?php
namespace React\Dns\Resolver;
use React\Cache\ArrayCache;
use React\Dns\Query\Executor;
use React\Dns\Query\CachedExecutor;
use React\Dns\Query\RecordCache;
use React\Dns\Protocol\Parser;
use React\Dns\Protocol\BinaryDumper;
use React\EventLoop\LoopInterface;
use React\Dns\Query\RetryExecutor;
class Factory
{
public function create($nameserver, LoopInterface $loop)
{
$nameserver = $this->addPortToServerIfMissing($nameserver);
$executor = $this->createRetryExecutor($loop);
return new Resolver($nameserver, $executor);
}
public function createCached($nameserver, LoopInterface $loop)
{
$nameserver = $this->addPortToServerIfMissing($nameserver);
$executor = $this->createCachedExecutor($loop);
return new Resolver($nameserver, $executor);
}
protected function createExecutor(LoopInterface $loop)
{
return new Executor($loop, new Parser(), new BinaryDumper());
}
protected function createRetryExecutor(LoopInterface $loop)
{
return new RetryExecutor($this->createExecutor($loop));
}
protected function createCachedExecutor(LoopInterface $loop)
{
return new CachedExecutor($this->createRetryExecutor($loop), new RecordCache(new ArrayCache()));
}
protected function addPortToServerIfMissing($nameserver)
{
if (strpos($nameserver, '[') === false && substr_count($nameserver, ':') >= 2) {
// several colons, but not enclosed in square brackets => enclose IPv6 address in square brackets
$nameserver = '[' . $nameserver . ']';
}
// assume a dummy scheme when checking for the port, otherwise parse_url() fails
if (parse_url('dummy://' . $nameserver, PHP_URL_PORT) === null) {
$nameserver .= ':53';
}
return $nameserver;
}
}
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