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<?php |
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namespace Http\Client\Plugin; |
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@trigger_error('The '.__NAMESPACE__.'\RetryPlugin class is deprecated since version 1.1 and will be removed in 2.0. Use Http\Client\Common\Plugin\RetryPlugin instead.', E_USER_DEPRECATED); |
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use Http\Client\Exception; |
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use Psr\Http\Message\RequestInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use Symfony\Component\OptionsResolver\OptionsResolver; |
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/** |
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* Retry the request if an exception is thrown. |
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* |
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* By default will retry only one time. |
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* |
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* @author Joel Wurtz <[email protected]> |
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* |
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* @deprecated since since version 1.1, and will be removed in 2.0. Use {@link \Http\Client\Common\Plugin\RetryPlugin} instead. |
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*/ |
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class RetryPlugin implements Plugin |
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{ |
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/** |
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* Number of retry before sending an exception. |
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* |
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* @var int |
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*/ |
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private $retry; |
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/** |
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* Store the retry counter for each request. |
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* |
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* @var array |
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*/ |
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private $retryStorage = []; |
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/** |
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* @param array $config { |
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* |
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* @var int $retries Number of retries to attempt if an exception occurs before letting the exception bubble up. |
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* } |
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*/ |
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View Code Duplication |
public function __construct(array $config = []) |
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{ |
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$resolver = new OptionsResolver(); |
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$resolver->setDefaults([ |
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'retries' => 1, |
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]); |
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$resolver->setAllowedTypes('retries', 'int'); |
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$options = $resolver->resolve($config); |
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$this->retry = $options['retries']; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function handleRequest(RequestInterface $request, callable $next, callable $first) |
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{ |
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$chainIdentifier = spl_object_hash((object) $first); |
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return $next($request)->then(function (ResponseInterface $response) use ($request, $chainIdentifier) { |
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if (array_key_exists($chainIdentifier, $this->retryStorage)) { |
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unset($this->retryStorage[$chainIdentifier]); |
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} |
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return $response; |
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}, function (Exception $exception) use ($request, $next, $first, $chainIdentifier) { |
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if (!array_key_exists($chainIdentifier, $this->retryStorage)) { |
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$this->retryStorage[$chainIdentifier] = 0; |
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} |
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if ($this->retryStorage[$chainIdentifier] >= $this->retry) { |
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unset($this->retryStorage[$chainIdentifier]); |
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throw $exception; |
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} |
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++$this->retryStorage[$chainIdentifier]; |
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// Retry in synchrone |
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$promise = $this->handleRequest($request, $next, $first); |
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return $promise->wait(); |
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}); |
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} |
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} |
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If you suppress an error, we recommend checking for the error condition explicitly: