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Directory >> /var/www/html/back/vendor/react/dns/src/Query/

File / Folder	Size	Action
.	-
CachingExecutor.php	2.672KB	edt ren
CancellationException.php	0.097KB	edt ren
CoopExecutor.php	3.352KB	edt ren
ExecutorInterface.php	1.427KB	edt ren
FallbackExecutor.php	1.679KB	edt ren
HostsFileExecutor.php	2.979KB	edt ren
Query.php	1.953KB	edt ren
RetryExecutor.php	2.763KB	edt ren
SelectiveTransportExecu...	3.048KB	edt ren
TcpTransportExecutor.php	13.635KB	edt ren
TimeoutException.php	0.085KB	edt ren
TimeoutExecutor.php	2.694KB	edt ren
UdpTransportExecutor.php	8.344KB	edt ren

<?php

namespace React\Dns\Query;

use React\Promise\Deferred;
use React\Promise\PromiseInterface;

final class RetryExecutor implements ExecutorInterface
{
    private $executor;
    private $retries;

public function __construct(ExecutorInterface $executor, $retries = 2)
    {
        $this->executor = $executor;
        $this->retries = $retries;
    }

public function query(Query $query)
    {
        return $this->tryQuery($query, $this->retries);
    }

public function tryQuery(Query $query, $retries)
    {
        $deferred = new Deferred(function () use (&$promise) {
            if ($promise instanceof PromiseInterface && \method_exists($promise, 'cancel')) {
                $promise->cancel();
            }
        });

$success = function ($value) use ($deferred, &$errorback) {
            $errorback = null;
            $deferred->resolve($value);
        };

$executor = $this->executor;
        $errorback = function ($e) use ($deferred, &$promise, $query, $success, &$errorback, &$retries, $executor) {
            if (!$e instanceof TimeoutException) {
                $errorback = null;
                $deferred->reject($e);
            } elseif ($retries <= 0) {
                $errorback = null;
                $deferred->reject($e = new \RuntimeException(
                    'DNS query for ' . $query->describe() . ' failed: too many retries',
                    0,
                    $e
                ));

// avoid garbage references by replacing all closures in call stack.
                // what a lovely piece of code!
                $r = new \ReflectionProperty('Exception', 'trace');
                if (\PHP_VERSION_ID < 80100) {
                    $r->setAccessible(true);
                }
                $trace = $r->getValue($e);

// Exception trace arguments are not available on some PHP 7.4 installs
                // @codeCoverageIgnoreStart
                foreach ($trace as $ti => $one) {
                    if (isset($one['args'])) {
                        foreach ($one['args'] as $ai => $arg) {
                            if ($arg instanceof \Closure) {
                                $trace[$ti]['args'][$ai] = 'Object(' . \get_class($arg) . ')';
                            }
                        }
                    }
                }
                // @codeCoverageIgnoreEnd
                $r->setValue($e, $trace);
            } else {
                --$retries;
                $promise = $executor->query($query)->then(
                    $success,
                    $errorback
                );
            }
        };

$promise = $this->executor->query($query)->then(
            $success,
            $errorback
        );

return $deferred->promise();
    }
}