/**
* Process a received response
*
* @param array $context Contextual information
* @throws RequestException|BadResponseException on unsuccessful responses
*/
protected function processResponse(array $context = array())
{
if (!$this->response) {
// If no response, then processResponse shouldn't have been called
$e = new RequestException('Error completing request');
$e->setRequest($this);
throw $e;
}
$this->state = self::STATE_COMPLETE;
// A request was sent, but we don't know if we'll send more or if the final response will be successful
$this->dispatch('request.sent', $this->getEventArray() + $context);
// Some response processors will remove the response or reset the state (example: ExponentialBackoffPlugin)
if ($this->state == RequestInterface::STATE_COMPLETE) {
// The request completed, so the HTTP transaction is complete
$this->dispatch('request.complete', $this->getEventArray());
// If the response is bad, allow listeners to modify it or throw exceptions. You can change the response by
// modifying the Event object in your listeners or calling setResponse() on the request
if ($this->response->isError()) {
$event = new Event($this->getEventArray());
$this->getEventDispatcher()->dispatch('request.error', $event);
// Allow events of request.error to quietly change the response
if ($event['response'] !== $this->response) {
$this->response = $event['response'];
}
}
// If a successful response was received, dispatch an event
if ($this->response->isSuccessful()) {
$this->dispatch('request.success', $this->getEventArray());
}
}
}
/**
* @link https://github.com/guzzle/guzzle/issues/710
*/
private function validateResponseWasSet(RequestInterface $request)
{
if ($request->getResponse()) {
return true;
}
$body = $request instanceof EntityEnclosingRequestInterface ? $request->getBody() : null;
if (!$body) {
$rex = new RequestException('No response was received for a request with no body. This' . ' could mean that you are saturating your network.');
$rex->setRequest($request);
$this->removeErroredRequest($request, $rex);
} elseif (!$body->isSeekable() || !$body->seek(0)) {
// Nothing we can do with this. Sorry!
$rex = new RequestException('The connection was unexpectedly closed. The request would' . ' have been retried, but attempting to rewind the' . ' request body failed.');
$rex->setRequest($request);
$this->removeErroredRequest($request, $rex);
} else {
$this->remove($request);
// Add the request back to the batch to retry automatically.
$this->requests[] = $request;
$this->addHandle($request);
}
return false;
}
