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