/** * Prepare for sending * * @param RequestInterface $request Request to prepare * @throws \Exception on error preparing the request */ protected function beforeSend(RequestInterface $request) { try { $state = $request->setState(RequestInterface::STATE_TRANSFER); if ($state == RequestInterface::STATE_TRANSFER) { $this->addHandle($request); } else { // Requests might decide they don't need to be sent just before // transfer (e.g. CachePlugin) $this->remove($request); if ($state == RequestInterface::STATE_COMPLETE) { $this->successful[] = $request; } } } catch (\Exception $e) { // Queue the exception to be thrown when sent $this->removeErroredRequest($request, $e); } }