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/rNibWriter"
  10         "e2mgr/sessions"
  11         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
  12         "time"
  13 )
  14
  15 type EnbLoadInformationNotificationHandler struct {
  16         rnibWriterProvider func() rNibWriter.RNibWriter
  17 }
  18
  19 func NewEnbLoadInformationNotificationHandler(rnibWriterProvider func() rNibWriter.RNibWriter) EnbLoadInformationNotificationHandler {
  20         return EnbLoadInformationNotificationHandler{
  21                 rnibWriterProvider: rnibWriterProvider,
  22         }
  23 }
  24
  25 func elapsed(startTime time.Time) float64 {
  26         return float64(time.Since(startTime)) / float64(time.Millisecond)
  27 }
  28
  29 func (src EnbLoadInformationNotificationHandler) Handle(logger *logger.Logger, e2Sessions sessions.E2Sessions, request *models.NotificationRequest, messageChannel chan<- *models.NotificationResponse) {
  30
  31         pdu, err := converters.UnpackX2apPdu(logger, e2pdus.MaxAsn1CodecAllocationBufferSize, request.Len, request.Payload, e2pdus.MaxAsn1CodecMessageBufferSize)
  32
  33         if err != nil {
  34                 logger.Errorf("#EnbLoadInformationNotificationHandler.Handle - RAN name: %s - Unpack failed. Error: %v", request.RanName, err)
  35                 return
  36         }
  37
  38         logger.Debugf("#EnbLoadInformationNotificationHandler.Handle - RAN name: %s - Unpacked message successfully", request.RanName)
  39
  40         ranLoadInformation := &entities.RanLoadInformation{LoadTimestamp: uint64(request.StartTime.UnixNano())}
  41
  42         err = converters.ExtractAndBuildRanLoadInformation(pdu, ranLoadInformation)
  43
  44         if (err != nil) {
  45                 logger.Errorf("#EnbLoadInformationNotificationHandler.Handle - RAN name: %s - Failed at ExtractAndBuildRanLoadInformation. Error: %v", request.RanName, err)
  46                 return
  47         }
  48
  49         logger.Debugf("#EnbLoadInformationNotificationHandler.Handle - RAN name: %s - Successfully done with extracting and building RAN load information. elapsed: %f ms", request.RanName, elapsed(request.StartTime))
  50
  51         rnibErr := src.rnibWriterProvider().SaveRanLoadInformation(request.RanName, ranLoadInformation)
  52
  53         if rnibErr != nil {
  54                 logger.Errorf("#EnbLoadInformationNotificationHandler.Handle - RAN name: %s - Failed saving RAN load information. Error: %v", request.RanName, rnibErr)
  55                 return
  56         }
  57
  58         logger.Infof("#EnbLoadInformationNotificationHandler.Handle - RAN name: %s - Successfully saved RAN load information to RNIB. elapsed: %f ms", request.RanName, elapsed(request.StartTime))
  59 }