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<?php
declare(strict_types=1);
namespace Http\Client\Common\HttpClientPool;
use Http\Client\Common\Exception\HttpClientNotFoundException;
use Http\Client\Common\HttpClientPool as HttpClientPoolInterface;
use Http\Client\HttpAsyncClient;
use Psr\Http\Client\ClientInterface;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;
/**
* A http client pool allows to send requests on a pool of different http client using a specific strategy (least used,
* round robin, ...).
*/
abstract class HttpClientPool implements HttpClientPoolInterface
{
* @var HttpClientPoolItem[]
protected $clientPool = [];
* Add a client to the pool.
*
* @param ClientInterface|HttpAsyncClient|HttpClientPoolItem $client
public function addHttpClient($client)
if (!$client instanceof HttpClientPoolItem) {
$client = new HttpClientPoolItem($client);
}
$this->clientPool[] = $client;
* Return an http client given a specific strategy.
* @throws HttpClientNotFoundException When no http client has been found into the pool
* @return HttpClientPoolItem Return a http client that can do both sync or async
abstract protected function chooseHttpClient(): HttpClientPoolItem;
* {@inheritdoc}
public function sendAsyncRequest(RequestInterface $request)
return $this->chooseHttpClient()->sendAsyncRequest($request);
public function sendRequest(RequestInterface $request): ResponseInterface
return $this->chooseHttpClient()->sendRequest($request);
php-http /
client-common
