Fixes #31: Wrong parameters error when TimeoutException is thrown (#32)

* Fixes #31: Wrong parameters error when TimeoutException is thrown

src/Exception/StreamException.php

@@ -3,7 +3,36 @@
 namespace Http\Client\Socket\Exception;
 
 use Http\Client\Exception;
+use Psr\Http\Message\RequestInterface;
 
 class StreamException extends \RuntimeException implements Exception
 {
+    /**
+     * The request object.
+     *
+     * @var RequestInterface
+     */
+    private $request;
+
+    /**
+     * Accepts an optional request object as 4th param.
+     *
+     * @param string           $message
+     * @param int              $code
+     * @param Exception        $previous
+     * @param RequestInterface $request
+     */
+    public function __construct($message = null, $code = null, $previous = null, RequestInterface $request = null)
+    {
+        $this->request = $request;
+        parent::__construct($message, $code, $previous);
+    }
+
+    /**
+     * @return \Psr\Http\Message\RequestInterface|null
+     */
+    final public function getRequest()
+    {
+        return $this->request;
+    }
 }

src/ResponseReader.php

@@ -48,7 +48,7 @@ protected function readResponse(RequestInterface $request, $socket)
         $metadatas = stream_get_meta_data($socket);
 
         if (array_key_exists('timed_out', $metadatas) && true === $metadatas['timed_out']) {
-            throw new TimeoutException('Error while reading response, stream timed out', $request);
+            throw new TimeoutException('Error while reading response, stream timed out', null, null, $request);
         }
 
         $parts = explode(' ', array_shift($headers), 3);