/**
* If possible, set a cache response on a cURL exception
*
* @param Event $event
*
* @return null
*/
public function onRequestException(Event $event)
{
if (!$event['exception'] instanceof CurlException) {
return;
}
$request = $event['request'];
if (!$this->canCache->canCacheRequest($request)) {
return;
}
if ($response = $this->storage->fetch($request)) {
$response->setHeader('Age', time() - strtotime($response->getDate() ?: 'now'));
if (!$this->canResponseSatisfyFailedRequest($request, $response)) {
return;
}
$request->getParams()->set('cache.hit', 'error');
$request->setResponse($response);
$this->addResponseHeaders($request, $response);
$event->stopPropagation();
}
}
/**
* Default method that will throw exceptions if an unsuccessful response is received.
*
* @param Event $event Received
* @throws BadResponseException if the response is not successful
*/
public static function onRequestError(Event $event)
{
$e = BadResponseException::factory($event['request'], $event['response']);
$event['request']->setState(self::STATE_ERROR, array('exception' => $e) + $event->toArray());
throw $e;
}
/**
* Throws a more meaningful request exception if available
*
* @param Event $event Event emitted
*/
public function onRequestError(Event $event)
{
$e = $this->factory->fromResponse($event['request'], $event['response']);
$event->stopPropagation();
throw $e;
}
