update recorder proto

recorder/example/grpc/main.go

@@ -23,7 +23,8 @@ func (s *server) Record(ctx context.Context, in *proto.RecordRequest) (*proto.Re
 	reply := &proto.RecordReply{
 		Ok: true,
 	}
-	log.Printf("record: %s", string(in.GetData()))
+	log.Printf("data: %s, metadata: %s", string(in.GetData()), string(in.Metadata))
+
 	return reply, nil
 }
 

recorder/example/http/main.go

@@ -0,0 +1,53 @@
+package main
+
+import (
+	"encoding/json"
+	"flag"
+	"fmt"
+	"log"
+	"net"
+	"net/http"
+)
+
+var (
+	port = flag.Int("port", 8000, "The server port")
+)
+
+type recorderRequest struct {
+	Data     []byte `json:"data"`
+	Metadata []byte `json:"metadata"`
+}
+
+type recorderResponse struct {
+	OK bool `json:"ok"`
+}
+
+func main() {
+	flag.Parse()
+	lis, err := net.Listen("tcp", fmt.Sprintf(":%d", *port))
+	if err != nil {
+		log.Fatalf("failed to listen: %v", err)
+	}
+	log.Printf("server listening at %v", lis.Addr())
+
+	http.HandleFunc("/recorder", func(w http.ResponseWriter, r *http.Request) {
+		rb := recorderRequest{}
+		if err := json.NewDecoder(r.Body).Decode(&rb); err != nil {
+			log.Println(err)
+			w.WriteHeader(http.StatusBadRequest)
+			return
+		}
+
+		resp := recorderResponse{
+			OK: true,
+		}
+
+		log.Printf("recorder: data=%s, metadata: %s", string(rb.Data), string(rb.Metadata))
+
+		json.NewEncoder(w).Encode(resp)
+	})
+
+	if err := http.Serve(lis, nil); err != nil {
+		log.Fatalf("failed to serve: %v", err)
+	}
+}