if r == nil {
		return
	}
	if tagsMap == nil {
		return
	}
	r.RLock()
	defer r.RUnlock()
	for _, t := range r.tags {
		tagsMap[t.Key] = t.Val
	}
}

// SetReqInfo sets ReqInfo in the context.
func SetReqInfo(ctx context.Context, req *ReqInfo) context.Context {
	if ctx == nil {
		LogIf(context.Background(), "", fmt.Errorf("context is nil"))
		return nil
	}

			if err := target.Save(event); err != nil {
				list.eventsErrorsTotal.Add(1)
				list.incFailedEvents(id)
				reqInfo := &logger.ReqInfo{}
				reqInfo.AppendTags("targetID", id.String())
				logger.LogOnceIf(logger.SetReqInfo(context.Background(), reqInfo), logSubsys, err, id.String())
			}
		}(id, target)
	}
	wg.Wait()
	list.totalEvents.Add(1)
}

func (list *TargetList) sendAsync(event Event, targetIDset TargetIDSet) {