public function getRetryRaw($url, array $headers = [], $tries = 3, array $status = null, $delay = null, array $customChain = null)
{
$status = $status ?: [500, 503];
$retry = new Retry(['filter' => Retry::createChainFilter($customChain ?: [Retry::createIdempotentFilter(), Retry::createCurlFilter(), Retry::createStatusFilter($status)]), 'max' => $tries, 'delay' => function ($retries, AbstractTransferEvent $e) use($delay) {
info('Delaying...');
return $delay ?: (int) pow(2, $retries - 1);
}]);
$client = new HttpClient();
$client->getEmitter()->attach($retry);
return $client->get($url, ['headers' => $headers]);
}
/**
* {@inheritDoc}
*/
public function registerSubscribers(EventDispatcherInterface $eventDispatcher)
{
$filter = RetrySubscriber::createChainFilter([RetrySubscriber::createIdempotentFilter(), RetrySubscriber::createStatusFilter([429, 500, 503])]);
$retry = new RetrySubscriber(['filter' => $filter, 'delay' => function ($number, $event) {
/** @var \GuzzleHttp\Message\Response $response */
if (null !== $event->getResponse() && $event->getResponse()->getStatusCode() === 429) {
// Adding 20% of the waiting time as it seems to be the best result without getting two blocking reqs.
$sleep = (int) $event->getResponse()->getHeader('retry-after') * 1.2;
if ($sleep >= 0) {
return $sleep * 1000;
}
}
return 0;
}, 'max' => 3]);
$this->client->getEmitter()->attach($retry);
}
public function testCreatesIdempotentFilter()
{
$u = 'http://foo.com';
$f = RetrySubscriber::createIdempotentFilter();
$e = $this->createEvent(new Response(500), new Request('GET', $u));
$this->assertFalse($f(1, $e));
$e = $this->createEvent(new Response(500), new Request('PUT', $u));
$this->assertFalse($f(1, $e));
$e = $this->createEvent(new Response(500), new Request('DELETE', $u));
$this->assertFalse($f(1, $e));
$e = $this->createEvent(new Response(500), new Request('HEAD', $u));
$this->assertFalse($f(1, $e));
$e = $this->createEvent(new Response(500), new Request('OPTIONS', $u));
$this->assertFalse($f(1, $e));
$e = $this->createEvent(new Response(500), new Request('POST', $u));
$this->assertSame(-1, $f(1, $e));
$e = $this->createEvent(new Response(500), new Request('PATCH', $u));
$this->assertSame(-1, $f(1, $e));
}
/**
* Get the retry subscriber.
*
* @return \GuzzleHttp\Subscriber\Retry\RetrySubscriber
*/
protected function getRetrySubscriber()
{
$filter = RetrySubscriber::createChainFilter([RetrySubscriber::createIdempotentFilter(), RetrySubscriber::createStatusFilter()]);
return new RetrySubscriber(['filter' => $filter]);
}
