RSM/providers/rmrmsghandlerprovider/message_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         "fmt"
  22         "github.com/pkg/errors"
  23         "rsm/configuration"
  24         "rsm/converters"
  25         "rsm/handlers/rmrmsghandlers"
  26         "rsm/logger"
  27         "rsm/managers"
  28         "rsm/rmrcgo"
  29         "rsm/services"
  30         "rsm/services/rmrsender"
  31 )
  32
  33 const (
  34         RanConnected string = "Ran connected"
  35         RanRestarted string = "Ran restarted"
  36 )
  37
  38 type MessageHandlerProvider struct {
  39         msgHandlers map[int]rmrmsghandlers.RmrMessageHandler
  40 }
  41
  42 func NewMessageHandlerProvider(logger *logger.Logger, config *configuration.Configuration, rnibDataService services.RNibDataService, rmrSender *rmrsender.RmrSender, resourceStatusInitiateManager *managers.ResourceStatusInitiateManager, unpacker converters.Asn1PduUnpacker) *MessageHandlerProvider {
  43         return &MessageHandlerProvider{
  44                 msgHandlers: initMessageHandlersMap(logger, config, rnibDataService, rmrSender, resourceStatusInitiateManager, unpacker),
  45         }
  46 }
  47
  48 func initMessageHandlersMap(logger *logger.Logger, config *configuration.Configuration, rnibDataService services.RNibDataService, rmrSender *rmrsender.RmrSender, resourceStatusInitiateManager *managers.ResourceStatusInitiateManager, unpacker converters.Asn1PduUnpacker) map[int]rmrmsghandlers.RmrMessageHandler {
  49         return map[int]rmrmsghandlers.RmrMessageHandler{
  50                 rmrcgo.RanConnected:        rmrmsghandlers.NewResourceStatusInitiateNotificationHandler(logger, config, resourceStatusInitiateManager, RanConnected),
  51                 rmrcgo.RanRestarted:        rmrmsghandlers.NewResourceStatusInitiateNotificationHandler(logger, config, resourceStatusInitiateManager, RanRestarted),
  52                 rmrcgo.RicResStatusFailure: rmrmsghandlers.NewResourceStatusFailureHandler(logger, unpacker),
  53                 rmrcgo.RicResStatusResp:    rmrmsghandlers.NewResourceStatusResponseHandler(logger),
  54         }
  55 }
  56
  57 func (provider MessageHandlerProvider) GetMessageHandler(messageType int) (rmrmsghandlers.RmrMessageHandler, error) {
  58         handler, ok := provider.msgHandlers[messageType]
  59
  60         if !ok {
  61                 msg := fmt.Sprintf("#MessageHandlerProvider.GetMessageHandler - notification handler not found for message %d",messageType )
  62                 return nil, errors.New(msg)
  63         }
  64
  65         return handler, nil
  66
  67 }