fix http2 error handling

example/main.go

@@ -97,26 +97,32 @@ func handleStream(session *quic.Session, headerStream utils.Stream) {
 
 	go func() {
 		for {
+			if err := handleRequest(session, headerStream, hpackDecoder, h2framer); err != nil {
+				fmt.Printf("error handling h2 request: %s\n", err.Error())
+				return
+			}
+		}
+	}()
+}
+
+func handleRequest(session *quic.Session, headerStream utils.Stream, hpackDecoder *hpack.Decoder, h2framer *http2.Framer) error {
 	h2frame, err := h2framer.ReadFrame()
 	if err != nil {
-				fmt.Printf("invalid http2 frame: %s\n", err.Error())
-				continue
+		return err
 	}
 	h2headersFrame := h2frame.(*http2.HeadersFrame)
 	if !h2headersFrame.HeadersEnded() {
-				fmt.Printf("http2 header continuation not implemented")
-				continue
+		return errors.New("http2 header continuation not implemented")
 	}
 	headers, err := hpackDecoder.DecodeFull(h2headersFrame.HeaderBlockFragment())
 	if err != nil {
 		fmt.Printf("invalid http2 headers encoding: %s\n", err.Error())
-				continue
+		return err
 	}
 
 	req, err := requestFromHeaders(headers)
 	if err != nil {
-				fmt.Printf("invalid http2 frame: %s\n", err.Error())
-				continue
+		return err
 	}
 	fmt.Printf("Request: %#v\n", req)
 
@@ -133,8 +139,8 @@ func handleStream(session *quic.Session, headerStream utils.Stream) {
 			responseWriter.dataStream.Close()
 		}
 	}()
-		}
-	}()
+
+	return nil
 }
 
 func requestFromHeaders(headers []hpack.HeaderField) (*http.Request, error) {