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