Simplify sending error response for invalid requests

Author: clue

src/StreamingServer.php

@@ -185,9 +185,11 @@ public function handleConnection(ConnectionInterface $conn)
             $conn->removeListener('data', $listener);
             $that->emit('error', array($e));
 
+            // parsing failed => assume dummy request and send appropriate error
             $that->writeError(
                 $conn,
-                $e->getCode() !== 0 ? $e->getCode() : 400
+                $e->getCode() !== 0 ? $e->getCode() : 400,
+                new ServerRequest('GET', '/')
             );
         });
     }
@@ -298,7 +300,7 @@ function ($error) use ($that, $conn, $request) {
     }
 
     /** @internal */
-    public function writeError(ConnectionInterface $conn, $code, ServerRequestInterface $request = null)
+    public function writeError(ConnectionInterface $conn, $code, ServerRequestInterface $request)
     {
         $response = new Response(
             $code,
@@ -316,10 +318,6 @@ public function writeError(ConnectionInterface $conn, $code, ServerRequestInterf
             $body->write(': ' . $reason);
         }
 
-        if ($request === null) {
-            $request = new ServerRequest('GET', '/', array(), null, '1.1');
-        }
-
         $this->handleResponse($conn, $request, $response);
     }