E2Manager/providers/rmrmsghandlerprovider/notification_handler_provider.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
  18 package rmrmsghandlerprovider
  19
  20 import (
  21         "e2mgr/handlers"
  22         "e2mgr/managers"
  23         "e2mgr/rNibWriter"
  24         "e2mgr/rmrCgo"
  25         "fmt"
  26         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/reader"
  27 )
  28
  29 type NotificationHandlerProvider struct {
  30         notificationHandlers map[int]handlers.NotificationHandler
  31 }
  32
  33 func NewNotificationHandlerProvider(rnibReaderProvider func() reader.RNibReader, rnibWriterProvider func() rNibWriter.RNibWriter, ranReconnectionManager *managers.RanReconnectionManager) *NotificationHandlerProvider {
  34         return &NotificationHandlerProvider{
  35                 notificationHandlers: initNotificationHandlersMap(rnibReaderProvider, rnibWriterProvider, ranReconnectionManager),
  36         }
  37 }
  38
  39 func initNotificationHandlersMap(rnibReaderProvider func() reader.RNibReader, rnibWriterProvider func() rNibWriter.RNibWriter, ranReconnectionManager *managers.RanReconnectionManager) map[int]handlers.NotificationHandler {
  40         return map[int]handlers.NotificationHandler{
  41                 //TODO change handlers.NotificationHandler to *handlers.NotificationHandler
  42                 rmrCgo.RIC_X2_SETUP_RESP:           handlers.X2SetupResponseNotificationHandler{},
  43                 rmrCgo.RIC_X2_SETUP_FAILURE:        handlers.X2SetupFailureResponseNotificationHandler{},
  44                 rmrCgo.RIC_ENDC_X2_SETUP_RESP:      handlers.EndcX2SetupResponseNotificationHandler{},
  45                 rmrCgo.RIC_ENDC_X2_SETUP_FAILURE:   handlers.EndcX2SetupFailureResponseNotificationHandler{},
  46                 rmrCgo.RIC_SCTP_CONNECTION_FAILURE: handlers.NewRanLostConnectionHandler(ranReconnectionManager),
  47                 rmrCgo.RIC_ENB_LOAD_INFORMATION:    handlers.NewEnbLoadInformationNotificationHandler(rnibWriterProvider),
  48                 rmrCgo.RIC_ENB_CONF_UPDATE:         handlers.X2EnbConfigurationUpdateHandler{},
  49                 rmrCgo.RIC_ENDC_CONF_UPDATE:        handlers.EndcConfigurationUpdateHandler{},
  50                 rmrCgo.RIC_X2_RESET_RESP:           handlers.NewX2ResetResponseHandler(rnibReaderProvider),
  51                 rmrCgo.RIC_X2_RESET:                handlers.NewX2ResetRequestNotificationHandler(rnibReaderProvider),
  52                 rmrCgo.RIC_E2_TERM_INIT:            handlers.NewE2TermInitNotificationHandler(ranReconnectionManager, rnibReaderProvider ),
  53         }
  54 }
  55
  56 func (provider NotificationHandlerProvider) GetNotificationHandler(messageType int) (handlers.NotificationHandler, error) {
  57         handler, ok := provider.notificationHandlers[messageType]
  58
  59         if !ok {
  60                 return nil, fmt.Errorf("notification handler not found for message %d", messageType)
  61         }
  62
  63         return handler, nil
  64
  65 }