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<?php
namespace RectorPrefix202411\React\Socket;
use RectorPrefix202411\React\EventLoop\Loop;
use RectorPrefix202411\React\EventLoop\LoopInterface;
use RectorPrefix202411\React\Promise\Promise;
final class TimeoutConnector implements ConnectorInterface
{
private $connector;
private $timeout;
private $loop;
/**
* @param ConnectorInterface $connector
* @param float $timeout
* @param ?LoopInterface $loop
*/
public function __construct(ConnectorInterface $connector, $timeout, $loop = null)
{
if ($loop !== null && !$loop instanceof LoopInterface) {
// manual type check to support legacy PHP < 7.1
throw new \InvalidArgumentException('Argument #3 ($loop) expected null|React\\EventLoop\\LoopInterface');
}
$this->connector = $connector;
$this->timeout = $timeout;
$this->loop = $loop ?: Loop::get();
}
public function connect($uri)
{
$promise = $this->connector->connect($uri);
$loop = $this->loop;
$time = $this->timeout;
return new Promise(function ($resolve, $reject) use($loop, $time, $promise, $uri) {
$timer = null;
$promise = $promise->then(function ($v) use(&$timer, $loop, $resolve) {
if ($timer) {
$loop->cancelTimer($timer);
}
$timer = \false;
$resolve($v);
}, function ($v) use(&$timer, $loop, $reject) {
if ($timer) {
$loop->cancelTimer($timer);
}
$timer = \false;
$reject($v);
});
// promise already resolved => no need to start timer
if ($timer === \false) {
return;
}
// start timeout timer which will cancel the pending promise
$timer = $loop->addTimer($time, function () use($time, &$promise, $reject, $uri) {
$reject(new \RuntimeException('Connection to ' . $uri . ' timed out after ' . $time . ' seconds (ETIMEDOUT)', \defined('SOCKET_ETIMEDOUT') ? \SOCKET_ETIMEDOUT : 110));
// Cancel pending connection to clean up any underlying resources and references.
// Avoid garbage references in call stack by passing pending promise by reference.
\assert(\method_exists($promise, 'cancel'));
$promise->cancel();
$promise = null;
});
}, function () use(&$promise) {
// Cancelling this promise will cancel the pending connection, thus triggering the rejection logic above.
// Avoid garbage references in call stack by passing pending promise by reference.
\assert(\method_exists($promise, 'cancel'));
$promise->cancel();
$promise = null;
});
}
}
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