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MaxRequestExtension.php
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60 lines (49 loc) · 1.48 KB
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<?php
declare(strict_types=1);
/**
* Copyright (c) 2021 Kai Sassnowski
*
* For the full copyright and license information, please view
* the LICENSE file that was distributed with this source code.
*
* @see https://github.com/roach-php/roach
*/
namespace RoachPHP\Extensions;
use RoachPHP\Events\RequestScheduling;
use RoachPHP\Events\RequestSending;
use RoachPHP\Support\Configurable;
final class MaxRequestExtension implements ExtensionInterface
{
use Configurable;
private int $sentRequests = 0;
public static function getSubscribedEvents(): array
{
return [
RequestSending::NAME => ['onRequestSending', 10000],
RequestScheduling::NAME => ['onRequestScheduling', 0],
];
}
public function onRequestSending(RequestSending $event): void
{
$this->dropRequestIfLimitReached($event);
if (!$event->request->wasDropped()) {
++$this->sentRequests;
}
}
public function onRequestScheduling(RequestScheduling $event): void
{
$this->dropRequestIfLimitReached($event);
}
private function dropRequestIfLimitReached(RequestSending|RequestScheduling $event): void
{
if ($this->option('limit') <= $this->sentRequests) {
$event->request = $event->request->drop("Reached maximum request limit of {$this->option('limit')}");
}
}
private function defaultOptions(): array
{
return [
'limit' => 10,
];
}
}