E2Manager/handlers/rmrmsghandlers/setup_response_notification_handler.go

   1 //
   2 // Copyright 2019 AT&T Intellectual Property
   3 // Copyright 2019 Nokia
   4 //
   5 // Licensed under the Apache License, Version 2.0 (the "License");
   6 // you may not use this file except in compliance with the License.
   7 // You may obtain a copy of the License at
   8 //
   9 //      http://www.apache.org/licenses/LICENSE-2.0
  10 //
  11 // Unless required by applicable law or agreed to in writing, software
  12 // distributed under the License is distributed on an "AS IS" BASIS,
  13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 // See the License for the specific language governing permissions and
  15 // limitations under the License.
  16 //
  17 package rmrmsghandlers
  18
  19 import (
  20         "e2mgr/logger"
  21         "e2mgr/managers"
  22         "e2mgr/models"
  23         "e2mgr/rNibWriter"
  24         "e2mgr/sessions"
  25         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
  26         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/reader"
  27 )
  28
  29 type SetupResponseNotificationHandler struct {
  30         rnibReaderProvider   func() reader.RNibReader
  31         rnibWriterProvider   func() rNibWriter.RNibWriter
  32         setupResponseManager managers.ISetupResponseManager
  33         notificationType     string
  34 }
  35
  36 func NewSetupResponseNotificationHandler(rnibReaderProvider func() reader.RNibReader, rnibWriterProvider func() rNibWriter.RNibWriter, setupResponseManager managers.ISetupResponseManager, notificationType string) SetupResponseNotificationHandler {
  37         return SetupResponseNotificationHandler{
  38                 rnibReaderProvider:   rnibReaderProvider,
  39                 rnibWriterProvider:   rnibWriterProvider,
  40                 setupResponseManager: setupResponseManager,
  41                 notificationType:     notificationType,
  42         }
  43 }
  44
  45 func (h SetupResponseNotificationHandler) Handle(logger *logger.Logger, e2Sessions sessions.E2Sessions, request *models.NotificationRequest, messageChannel chan<- *models.NotificationResponse) {
  46         logger.Infof("#SetupResponseNotificationHandler - RAN name: %s - Received %s notification", request.RanName, h.notificationType)
  47
  48         inventoryName := request.RanName
  49
  50         nodebInfo, rnibErr := h.rnibReaderProvider().GetNodeb(inventoryName)
  51
  52         if rnibErr != nil {
  53                 logger.Errorf("#SetupResponseNotificationHandler - RAN name: %s - Error fetching RAN from rNib: %v", request.RanName, rnibErr)
  54                 return
  55         }
  56
  57         if !isConnectionStatusValid(nodebInfo.ConnectionStatus) {
  58                 logger.Errorf("#SetupResponseNotificationHandler - RAN name: %s - Invalid RAN connection status: %s", request.RanName, nodebInfo.ConnectionStatus)
  59                 return
  60         }
  61
  62         nodebInfo.ConnectionAttempts = 0
  63         nbIdentity := &entities.NbIdentity{InventoryName: inventoryName}
  64         err := h.setupResponseManager.SetNodeb(logger, nbIdentity, nodebInfo, request.Payload)
  65
  66         if err != nil {
  67                 return
  68         }
  69
  70         rnibErr = h.rnibWriterProvider().SaveNodeb(nbIdentity, nodebInfo)
  71
  72         if rnibErr != nil {
  73                 logger.Errorf("#SetupResponseNotificationHandler - RAN name: %s - Error saving RAN to rNib: %v", request.RanName, rnibErr)
  74                 return
  75         }
  76
  77         logger.Infof("#SetupResponseNotificationHandler - RAN name: %s - Successfully saved RAN to rNib", request.RanName)
  78 }
  79
  80 func isConnectionStatusValid(connectionStatus entities.ConnectionStatus) bool {
  81         return connectionStatus == entities.ConnectionStatus_CONNECTING || connectionStatus == entities.ConnectionStatus_CONNECTED
  82 }