// HandleMessage handles the Openchain messages for the Peer. func (d *handler) HandleMessage(msg *pb.Event) error { //producerLogger.Debug("Handling Event") switch msg.Event.(type) { case *pb.Event_Register: eventsObj := msg.GetRegister() if err := d.register(eventsObj.Events); err != nil { return fmt.Errorf("Could not register events %s", err) } case *pb.Event_Unregister: eventsObj := msg.GetUnregister() if err := d.deregister(eventsObj.Events); err != nil { return fmt.Errorf("Could not unregister events %s", err) } case nil: default: return fmt.Errorf("Invalide type from client %T", msg.Event) } //TODO return supported events.. for now just return the received msg if err := d.ChatStream.Send(msg); err != nil { return fmt.Errorf("Error sending response to %v: %s", msg, err) } return nil }