/**
* This function ensures that a response was set on a transaction. If one
* was not set, then the request is retried if possible. This error
* typically means you are sending a payload, curl encountered a
* "Connection died, retrying a fresh connect" error, tried to rewind the
* stream, and then encountered a "necessary data rewind wasn't possible"
* error, causing the request to be sent through curl_multi_info_read()
* without an error status.
*/
private static function retryFailedRewind(callable $handler, array $request, array $response)
{
// If there is no body, then there is some other kind of issue. This
// is weird and should probably never happen.
if (!isset($request['body'])) {
$response['err_message'] = 'No response was received for a request ' . 'with no body. This could mean that you are saturating your ' . 'network.';
return self::createErrorResponse($handler, $request, $response);
}
if (!Core::rewindBody($request)) {
$response['err_message'] = 'The connection unexpectedly failed ' . 'without providing an error. The request would have been ' . 'retried, but attempting to rewind the request body failed.';
return self::createErrorResponse($handler, $request, $response);
}
// Retry no more than 3 times before giving up.
if (!isset($request['curl']['retries'])) {
$request['curl']['retries'] = 1;
} elseif ($request['curl']['retries'] == 2) {
$response['err_message'] = 'The cURL request was retried 3 times ' . 'and did no succeed. cURL was unable to rewind the body of ' . 'the request and subsequent retries resulted in the same ' . 'error. Turn on the debug option to see what went wrong. ' . 'See https://bugs.php.net/bug.php?id=47204 for more information.';
return self::createErrorResponse($handler, $request, $response);
} else {
$request['curl']['retries']++;
}
return $handler($request);
}
public function testRewindsToStrings()
{
$this->assertTrue(Core::rewindBody(['body' => new StrClass()]));
}
