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 //  This source code is part of the near-RT RIC (RAN Intelligent Controller)
  18 //  platform project (RICP).
  19
  20
  21 package rmrmsghandlerprovider
  22
  23 import (
  24         "e2mgr/converters"
  25         "e2mgr/handlers/rmrmsghandlers"
  26         "e2mgr/logger"
  27         "e2mgr/managers"
  28         "e2mgr/rmrCgo"
  29         "e2mgr/services"
  30         "e2mgr/services/rmrsender"
  31         "fmt"
  32 )
  33
  34 type NotificationHandlerProvider struct {
  35         notificationHandlers map[int]rmrmsghandlers.NotificationHandler
  36 }
  37
  38 func NewNotificationHandlerProvider(logger *logger.Logger, rnibDataService services.RNibDataService, ranReconnectionManager *managers.RanReconnectionManager, ranStatusChangeManager *managers.RanStatusChangeManager, rmrSender *rmrsender.RmrSender, x2SetupResponseManager *managers.X2SetupResponseManager, x2SetupFailureResponseManager *managers.X2SetupFailureResponseManager) *NotificationHandlerProvider {
  39         return &NotificationHandlerProvider{
  40                 notificationHandlers: initNotificationHandlersMap(logger, rnibDataService, ranReconnectionManager, ranStatusChangeManager, rmrSender, x2SetupResponseManager, x2SetupFailureResponseManager),
  41         }
  42 }
  43
  44 func initNotificationHandlersMap(logger *logger.Logger, rnibDataService services.RNibDataService, ranReconnectionManager *managers.RanReconnectionManager, ranStatusChangeManager *managers.RanStatusChangeManager, rmrSender *rmrsender.RmrSender, x2SetupResponseManager *managers.X2SetupResponseManager, x2SetupFailureResponseManager *managers.X2SetupFailureResponseManager) map[int]rmrmsghandlers.NotificationHandler {
  45         return map[int]rmrmsghandlers.NotificationHandler{
  46                 rmrCgo.RIC_X2_SETUP_RESP:           rmrmsghandlers.NewSetupResponseNotificationHandler(logger, rnibDataService, x2SetupResponseManager, ranStatusChangeManager, rmrCgo.RIC_X2_SETUP_RESP),
  47                 rmrCgo.RIC_X2_SETUP_FAILURE:        rmrmsghandlers.NewSetupResponseNotificationHandler(logger, rnibDataService, x2SetupFailureResponseManager, nil, rmrCgo.RIC_X2_SETUP_FAILURE),
  48                 rmrCgo.RIC_ENDC_X2_SETUP_RESP:      rmrmsghandlers.NewSetupResponseNotificationHandler(logger, rnibDataService, managers.NewEndcSetupResponseManager(), ranStatusChangeManager, rmrCgo.RIC_ENDC_X2_SETUP_RESP),
  49                 rmrCgo.RIC_ENDC_X2_SETUP_FAILURE:   rmrmsghandlers.NewSetupResponseNotificationHandler(logger, rnibDataService, managers.NewEndcSetupFailureResponseManager(), nil, rmrCgo.RIC_ENDC_X2_SETUP_FAILURE),
  50                 rmrCgo.RIC_SCTP_CONNECTION_FAILURE: rmrmsghandlers.NewRanLostConnectionHandler(logger, ranReconnectionManager),
  51                 rmrCgo.RIC_ENB_LOAD_INFORMATION:    rmrmsghandlers.NewEnbLoadInformationNotificationHandler(logger, rnibDataService, converters.NewEnbLoadInformationExtractor(logger)),
  52                 rmrCgo.RIC_ENB_CONF_UPDATE:         rmrmsghandlers.NewX2EnbConfigurationUpdateHandler(logger, rmrSender),
  53                 rmrCgo.RIC_ENDC_CONF_UPDATE:        rmrmsghandlers.NewEndcConfigurationUpdateHandler(logger, rmrSender),
  54                 rmrCgo.RIC_X2_RESET_RESP:           rmrmsghandlers.NewX2ResetResponseHandler(logger, rnibDataService, ranStatusChangeManager, converters.NewX2ResetResponseExtractor(logger)),
  55                 rmrCgo.RIC_X2_RESET:                rmrmsghandlers.NewX2ResetRequestNotificationHandler(logger, rnibDataService, ranStatusChangeManager, rmrSender),
  56                 rmrCgo.RIC_E2_TERM_INIT:            rmrmsghandlers.NewE2TermInitNotificationHandler(logger, ranReconnectionManager, rnibDataService),
  57         }
  58 }
  59
  60 func (provider NotificationHandlerProvider) GetNotificationHandler(messageType int) (rmrmsghandlers.NotificationHandler, error) {
  61         handler, ok := provider.notificationHandlers[messageType]
  62
  63         if !ok {
  64                 return nil, fmt.Errorf("notification handler not found for message %d", messageType)
  65         }
  66
  67         return handler, nil
  68 }