19      * @param array         $request Request hash
26     public function __invoke(array $request, $handle = null)  argument
29         $options = $this->getDefaultOptions($request, $headers);
30         $this->applyMethod($request, $options);
32         if (isset($request['client'])) {
33             $this->applyHandlerOptions($request, $options);
36         $this->applyHeaders($request, $options);
40         if (isset($request['client']['curl'])) {
42                 $request['client']['curl'],
51         $body = $this->getOutputBody($request, $options);
61      * @param array    $request  Request that sent.
70         array $request,  argument
91             ? self::createErrorResponse($handler, $request, $response)
97         array $request,  argument
113             return self::retryFailedRewind($handler, $request, $response);
157     private function getDefaultOptions(array $request, array &$headers)  argument
159         $url = Core::url($request);
163             '_headers'             => $request['headers'],
164             CURLOPT_CUSTOMREQUEST  => $request['http_method'],
183         if (isset($request['version'])) {
184             if ($request['version'] == 2.0) {
186             } else if ($request['version'] == 1.1) {
200     private function applyMethod(array $request, array &$options)  argument
202         if (isset($request['body'])) {
203             $this->applyBody($request, $options);
207         switch ($request['http_method']) {
211                 if (!Core::hasHeader($request, 'Content-Length')) {
226     private function applyBody(array $request, array &$options)  argument
228         $contentLength = Core::firstHeader($request, 'Content-Length');
234             isset($request['client']['curl']['body_as_string']) ||
235             is_string($request['body'])
237             $options[CURLOPT_POSTFIELDS] = Core::body($request);
248             $this->addStreamingBody($request, $options);
252         if (!Core::hasHeader($request, 'Expect')) {
257         if (!Core::hasHeader($request, 'Content-Type')) {
262     private function addStreamingBody(array $request, array &$options)  argument
264         $body = $request['body'];
293     private function applyHeaders(array $request, array &$options)  argument
302         if (!Core::hasHeader($request, 'Accept')) {
352     private function applyHandlerOptions(array $request, array &$options)  argument
354         foreach ($request['client'] as $key => $value) {
385                 $accept = Core::firstHeader($request, 'Accept-Encoding');
443                 } elseif (isset($request['scheme'])) {
444                     $scheme = $request['scheme'];
525         array $request,  argument
530         if (!isset($request['body'])) {
534             return self::createErrorResponse($handler, $request, $response);
537         if (!Core::rewindBody($request)) {
541             return self::createErrorResponse($handler, $request, $response);
545         if (!isset($request['curl']['retries'])) {
546             $request['curl']['retries'] = 1;
547         } elseif ($request['curl']['retries'] == 2) {
553             return self::createErrorResponse($handler, $request, $response);
555             $request['curl']['retries']++;
558         return $handler($request);