major refactor

pool-server.go

@@ -55,7 +55,7 @@ func ErrorHandler(fn func(w http.ResponseWriter, r *http.Request) error) func(w
 	}
 }
 
-func (s *PoolServer) WriteResult(w http.ResponseWriter, result *CallResult) error {
+func (s *PoolServer) WriteResult(w http.ResponseWriter, result *FrameWithPayload) error {
 	w.Header().Set("Content-Type", "application/json")
 	w.Header().Set("X-Pod-Name", s.pod_name)
 	if result.StatusCode != 200 {
@@ -65,11 +65,11 @@ func (s *PoolServer) WriteResult(w http.ResponseWriter, result *CallResult) erro
 		} else {
 			w.WriteHeader(http.StatusInternalServerError)
 		}
-		w.Write([]byte(result.Data))
+		w.Write([]byte(result.Payload))
 		return nil
 	}
 	w.WriteHeader(http.StatusOK)
-	_, err := w.Write(result.Data)
+	_, err := w.Write(result.Payload)
 	return err
 }