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<?php
/**
* Bitrix Framework
* @package bitrix
* @subpackage main
* @copyright 2001-2023 Bitrix
*/
namespace Bitrix\Main\Web\Http\Curl;
use Bitrix\Main\Web\Http;
use Bitrix\Main\Web\HttpDebug;
class Queue extends Http\Queue
{
/** @var Promise[] */
protected array $promises = [];
protected \CurlMultiHandle $handle;
public function __construct(bool $backgroundJob = true)
{
parent::__construct($backgroundJob);
$this->handle = curl_multi_init();
}
public function __destruct()
{
curl_multi_close($this->handle);
}
/**
* Adds the promise to the queue.
*
* @param Promise $promise
* @return void
*/
public function add(Promise $promise): void
{
$this->promises[$promise->getId()] = $promise;
curl_multi_add_handle($this->handle, $promise->getHandler()->getHandle());
}
protected function delete(string $promiseId): void
{
curl_multi_remove_handle($this->handle, $this->promises[$promiseId]->getHandler()->getHandle());
unset($this->promises[$promiseId]);
}
/**
* @inheritdoc
*/
public function wait(?Http\Promise $targetPromise = null): array
{
$processedPromises = [];
if (empty($this->promises))
{
return $processedPromises;
}
do
{
$fetchBody = true;
try
{
$status = curl_multi_exec($this->handle, $active);
}
catch (SkipBodyException $e)
{
$fetchBody = false;
}
$info = curl_multi_info_read($this->handle);
if ($info !== false)
{
$promiseId = spl_object_hash($info['handle']);
$promise = $this->promises[$promiseId];
$handler = $promise->getHandler();
if (!$fetchBody)
{
// we don't want a body, just fulfil a promise with response headers
$promise->fulfill($handler->getResponse());
}
elseif ($info['result'] === CURLE_OK)
{
$response = $handler->getResponse();
if ($handler->getDebugLevel() & HttpDebug::RESPONSE_BODY)
{
$handler->log($response->getBody(), HttpDebug::RESPONSE_BODY);
}
// need to ajust the response headers (PSR-18)
$response->adjustHeaders();
$promise->fulfill($response);
}
else
{
$error = curl_error($info['handle']);
$promise->reject(new Http\NetworkException($promise->getRequest(), $error));
if ($logger = $handler->getLogger())
{
$logger->error($error);
}
}
// job done, the promise is fullfilled or rejected
$processedPromises[] = $promise;
$this->delete($promiseId);
if ($targetPromise && $promiseId === $targetPromise->getId())
{
// we were waiting for the specific promise
return $processedPromises;
}
}
}
while ($status === CURLM_CALL_MULTI_PERFORM || $active);
return $processedPromises;
}
}