/**
* @param callable $handler
*
* @return callable
*/
public function __invoke(callable $handler)
{
return function (RequestInterface $request, array $options) use($handler) {
return $handler($request, $options)->then(function (ResponseInterface $response) {
return $response;
}, function (GuzzleException $exception) {
$this->collector->addException($exception);
throw $exception;
});
};
}
/**
* Method to handle error events.
*
* @param ErrorEvent $event
*/
public function onError(ErrorEvent $event)
{
// Stop measurement and add exception information.
$this->stopMeasure($event->getRequest(), $event->getResponse(), $event->getException());
if ($this->exceptions) {
$this->exceptions->addException($event->getException());
}
}
/**
* Add an exception to the collector.
*
* @param \Exception $exception The exception.
*
* @return void
*/
protected static function addException($exception)
{
self::$collector->addException($exception);
}
