add length field to upload packet

Author: msanlli

backend/pkg/boards/events.go

@@ -30,6 +30,7 @@ type UploadEvent struct {
 	BoardEvent abstraction.BoardEvent
 	Board      string
 	Data       []byte
+	Length     int
 }
 
 func (upload UploadEvent) Topic() abstraction.BrokerTopic {

backend/pkg/vehicle/vehicle.go

@@ -190,6 +190,7 @@ func (vehicle *Vehicle) UserPush(push abstraction.BrokerPush) error {
 				BoardEvent: boards.AckId,
 				Board:      upload.Board,
 				Data:       upload.Data,
+				Length:     len(upload.Data),
 			},
 		))