E2Manager/handlers/rmrmsghandlers/enb_load_information_notification_handler.go

   1 package rmrmsghandlers
   2
   3 import "C"
   4 import (
   5         "e2mgr/converters"
   6         "e2mgr/e2pdus"
   7         "e2mgr/logger"
   8         "e2mgr/models"
   9         "e2mgr/services"
  10         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
  11         "time"
  12 )
  13
  14 type EnbLoadInformationNotificationHandler struct {
  15         logger          *logger.Logger
  16         rnibDataService services.RNibDataService
  17         extractor       converters.IEnbLoadInformationExtractor
  18 }
  19
  20 func NewEnbLoadInformationNotificationHandler(logger *logger.Logger, rnibDataService services.RNibDataService, extractor converters.IEnbLoadInformationExtractor) EnbLoadInformationNotificationHandler {
  21         return EnbLoadInformationNotificationHandler{
  22                 logger:          logger,
  23                 rnibDataService: rnibDataService,
  24                 extractor: extractor,
  25         }
  26 }
  27
  28 func elapsed(startTime time.Time) float64 {
  29         return float64(time.Since(startTime)) / float64(time.Millisecond)
  30 }
  31
  32 func (h EnbLoadInformationNotificationHandler) Handle(request *models.NotificationRequest) {
  33
  34         pdu, err := converters.UnpackX2apPdu(h.logger, e2pdus.MaxAsn1CodecAllocationBufferSize, request.Len, request.Payload, e2pdus.MaxAsn1CodecMessageBufferSize)
  35
  36         if err != nil {
  37                 h.logger.Errorf("#EnbLoadInformationNotificationHandler.Handle - RAN name: %s - Unpack failed. Error: %v", request.RanName, err)
  38                 return
  39         }
  40
  41         h.logger.Debugf("#EnbLoadInformationNotificationHandler.Handle - RAN name: %s - Unpacked message successfully", request.RanName)
  42
  43         ranLoadInformation := &entities.RanLoadInformation{LoadTimestamp: uint64(request.StartTime.UnixNano())}
  44
  45         err = h.extractor.ExtractAndBuildRanLoadInformation(pdu, ranLoadInformation)
  46
  47         if (err != nil) {
  48                 h.logger.Errorf("#EnbLoadInformationNotificationHandler.Handle - RAN name: %s - Failed at ExtractAndBuildRanLoadInformation. Error: %v", request.RanName, err)
  49                 return
  50         }
  51
  52         h.logger.Debugf("#EnbLoadInformationNotificationHandler.Handle - RAN name: %s - Successfully done with extracting and building RAN load information. elapsed: %f ms", request.RanName, elapsed(request.StartTime))
  53
  54         rnibErr := h.rnibDataService.SaveRanLoadInformation(request.RanName, ranLoadInformation)
  55
  56         if rnibErr != nil {
  57                 h.logger.Errorf("#EnbLoadInformationNotificationHandler.Handle - RAN name: %s - Failed saving RAN load information. Error: %v", request.RanName, rnibErr)
  58                 return
  59         }
  60
  61         h.logger.Infof("#EnbLoadInformationNotificationHandler.Handle - RAN name: %s - Successfully saved RAN load information to RNIB. elapsed: %f ms", request.RanName, elapsed(request.StartTime))
  62 }