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/clients"
  25         "e2mgr/configuration"
  26         "e2mgr/converters"
  27         "e2mgr/handlers/rmrmsghandlers"
  28         "e2mgr/logger"
  29         "e2mgr/managers"
  30         "e2mgr/rmrCgo"
  31         "e2mgr/services"
  32         "e2mgr/services/rmrsender"
  33         "fmt"
  34 )
  35
  36 type NotificationHandlerProvider struct {
  37         notificationHandlers map[int]rmrmsghandlers.NotificationHandler
  38 }
  39
  40 func NewNotificationHandlerProvider() *NotificationHandlerProvider {
  41         return &NotificationHandlerProvider{
  42                 notificationHandlers: map[int]rmrmsghandlers.NotificationHandler{},
  43         }
  44 }
  45
  46 // TODO: check whether it has been initialized
  47 func (provider NotificationHandlerProvider) GetNotificationHandler(messageType int) (rmrmsghandlers.NotificationHandler, error) {
  48         handler, ok := provider.notificationHandlers[messageType]
  49
  50         if !ok {
  51                 return nil, fmt.Errorf("notification handler not found for message %d", messageType)
  52         }
  53
  54         return handler, nil
  55 }
  56
  57 func (provider *NotificationHandlerProvider) Register(msgType int, handler rmrmsghandlers.NotificationHandler) {
  58         provider.notificationHandlers[msgType] = handler
  59 }
  60
  61 func (provider *NotificationHandlerProvider) Init(logger *logger.Logger, config *configuration.Configuration, rnibDataService services.RNibDataService, rmrSender *rmrsender.RmrSender, ranSetupManager *managers.RanSetupManager, e2tInstancesManager managers.IE2TInstancesManager, routingManagerClient clients.IRoutingManagerClient, e2tAssociationManager *managers.E2TAssociationManager) {
  62
  63         // Init converters
  64         x2SetupResponseConverter := converters.NewX2SetupResponseConverter(logger)
  65         x2SetupFailureResponseConverter := converters.NewX2SetupFailureResponseConverter(logger)
  66         endcSetupResponseConverter := converters.NewEndcSetupResponseConverter(logger)
  67         endcSetupFailureResponseConverter := converters.NewEndcSetupFailureResponseConverter(logger)
  68         enbLoadInformationExtractor := converters.NewEnbLoadInformationExtractor(logger)
  69         x2ResetResponseExtractor := converters.NewX2ResetResponseExtractor(logger)
  70
  71         // Init managers
  72         ranReconnectionManager := managers.NewRanReconnectionManager(logger, config, rnibDataService, ranSetupManager, e2tAssociationManager)
  73         ranStatusChangeManager := managers.NewRanStatusChangeManager(logger, rmrSender)
  74         x2SetupResponseManager := managers.NewX2SetupResponseManager(x2SetupResponseConverter)
  75         x2SetupFailureResponseManager := managers.NewX2SetupFailureResponseManager(x2SetupFailureResponseConverter)
  76         endcSetupResponseManager := managers.NewEndcSetupResponseManager(endcSetupResponseConverter)
  77         endcSetupFailureResponseManager := managers.NewEndcSetupFailureResponseManager(endcSetupFailureResponseConverter)
  78
  79         // Init handlers
  80         x2SetupResponseHandler := rmrmsghandlers.NewSetupResponseNotificationHandler(logger, rnibDataService, x2SetupResponseManager, ranStatusChangeManager, rmrCgo.RIC_X2_SETUP_RESP)
  81         x2SetupFailureResponseHandler := rmrmsghandlers.NewSetupResponseNotificationHandler(logger, rnibDataService, x2SetupFailureResponseManager, nil, rmrCgo.RIC_X2_SETUP_FAILURE)
  82         endcSetupResponseHandler := rmrmsghandlers.NewSetupResponseNotificationHandler(logger, rnibDataService, endcSetupResponseManager, ranStatusChangeManager, rmrCgo.RIC_ENDC_X2_SETUP_RESP)
  83         endcSetupFailureResponseHandler := rmrmsghandlers.NewSetupResponseNotificationHandler(logger, rnibDataService, endcSetupFailureResponseManager, nil, rmrCgo.RIC_ENDC_X2_SETUP_FAILURE)
  84         ranLostConnectionHandler := rmrmsghandlers.NewRanLostConnectionHandler(logger, ranReconnectionManager)
  85         enbLoadInformationNotificationHandler := rmrmsghandlers.NewEnbLoadInformationNotificationHandler(logger, rnibDataService, enbLoadInformationExtractor)
  86         x2EnbConfigurationUpdateHandler := rmrmsghandlers.NewX2EnbConfigurationUpdateHandler(logger, rmrSender)
  87         endcConfigurationUpdateHandler := rmrmsghandlers.NewEndcConfigurationUpdateHandler(logger, rmrSender)
  88         x2ResetResponseHandler := rmrmsghandlers.NewX2ResetResponseHandler(logger, rnibDataService, ranStatusChangeManager, x2ResetResponseExtractor)
  89         x2ResetRequestNotificationHandler := rmrmsghandlers.NewX2ResetRequestNotificationHandler(logger, rnibDataService, ranStatusChangeManager, rmrSender)
  90         e2TermInitNotificationHandler := rmrmsghandlers.NewE2TermInitNotificationHandler(logger, ranReconnectionManager, e2tInstancesManager, routingManagerClient)
  91         e2TKeepAliveResponseHandler := rmrmsghandlers.NewE2TKeepAliveResponseHandler(logger, rnibDataService, e2tInstancesManager)
  92
  93         provider.Register(rmrCgo.RIC_X2_SETUP_RESP, x2SetupResponseHandler)
  94         provider.Register(rmrCgo.RIC_X2_SETUP_FAILURE, x2SetupFailureResponseHandler)
  95         provider.Register(rmrCgo.RIC_ENDC_X2_SETUP_RESP, endcSetupResponseHandler)
  96         provider.Register(rmrCgo.RIC_ENDC_X2_SETUP_FAILURE, endcSetupFailureResponseHandler)
  97         provider.Register(rmrCgo.RIC_SCTP_CONNECTION_FAILURE, ranLostConnectionHandler)
  98         provider.Register(rmrCgo.RIC_ENB_LOAD_INFORMATION, enbLoadInformationNotificationHandler)
  99         provider.Register(rmrCgo.RIC_ENB_CONF_UPDATE, x2EnbConfigurationUpdateHandler)
 100         provider.Register(rmrCgo.RIC_ENDC_CONF_UPDATE, endcConfigurationUpdateHandler)
 101         provider.Register(rmrCgo.RIC_X2_RESET_RESP, x2ResetResponseHandler)
 102         provider.Register(rmrCgo.RIC_X2_RESET, x2ResetRequestNotificationHandler)
 103         provider.Register(rmrCgo.RIC_E2_TERM_INIT, e2TermInitNotificationHandler)
 104         provider.Register(rmrCgo.E2_TERM_KEEP_ALIVE_RESP, e2TKeepAliveResponseHandler)
 105 }