E2Manager/providers/httpmsghandlerprovider/incoming_request_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 package httpmsghandlerprovider
  21
  22 import (
  23         "e2mgr/configuration"
  24         "e2mgr/e2managererrors"
  25         "e2mgr/handlers/httpmsghandlers"
  26         "e2mgr/logger"
  27         "e2mgr/managers"
  28         "e2mgr/services"
  29         "e2mgr/services/rmrsender"
  30         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
  31 )
  32
  33 type IncomingRequest string
  34
  35 const (
  36         ShutdownRequest       IncomingRequest = "Shutdown"
  37         ResetRequest          IncomingRequest = "Reset"
  38         X2SetupRequest        IncomingRequest = "X2SetupRequest"
  39         EndcSetupRequest      IncomingRequest = "EndcSetupRequest"
  40         GetNodebRequest       IncomingRequest = "GetNodebRequest"
  41         GetNodebIdListRequest IncomingRequest = "GetNodebIdListRequest"
  42 )
  43
  44 type IncomingRequestHandlerProvider struct {
  45         requestMap map[IncomingRequest]httpmsghandlers.RequestHandler
  46         logger     *logger.Logger
  47 }
  48
  49 func NewIncomingRequestHandlerProvider(logger *logger.Logger, rmrSender *rmrsender.RmrSender, config *configuration.Configuration, rNibDataService services.RNibDataService, ranSetupManager *managers.RanSetupManager) *IncomingRequestHandlerProvider {
  50
  51         return &IncomingRequestHandlerProvider{
  52                 requestMap: initRequestHandlerMap(logger, rmrSender, config, rNibDataService, ranSetupManager),
  53                 logger:     logger,
  54         }
  55 }
  56
  57 func initRequestHandlerMap(logger *logger.Logger, rmrSender *rmrsender.RmrSender, config *configuration.Configuration, rNibDataService services.RNibDataService, ranSetupManager *managers.RanSetupManager) map[IncomingRequest]httpmsghandlers.RequestHandler {
  58
  59         return map[IncomingRequest]httpmsghandlers.RequestHandler{
  60                 ShutdownRequest:  httpmsghandlers.NewDeleteAllRequestHandler(logger, rmrSender, config, rNibDataService), //TODO change to pointer
  61                 ResetRequest:     httpmsghandlers.NewX2ResetRequestHandler(logger, rmrSender, rNibDataService),
  62                 X2SetupRequest:   httpmsghandlers.NewSetupRequestHandler(logger, rNibDataService, ranSetupManager, entities.E2ApplicationProtocol_X2_SETUP_REQUEST),
  63                 EndcSetupRequest: httpmsghandlers.NewSetupRequestHandler(logger, rNibDataService, ranSetupManager, entities.E2ApplicationProtocol_ENDC_X2_SETUP_REQUEST), //TODO change to pointer
  64                 GetNodebRequest:  httpmsghandlers.NewGetNodebRequestHandler(logger, rNibDataService),
  65                 GetNodebIdListRequest: httpmsghandlers.NewGetNodebIdListRequestHandler(logger, rNibDataService),
  66         }
  67 }
  68
  69 func (provider IncomingRequestHandlerProvider) GetHandler(requestType IncomingRequest) (httpmsghandlers.RequestHandler, error) {
  70         handler, ok := provider.requestMap[requestType]
  71
  72         if !ok {
  73                 provider.logger.Errorf("#incoming_request_handler_provider.GetHandler - Cannot find handler for request type: %s", requestType)
  74                 return nil, e2managererrors.NewInternalError()
  75         }
  76
  77         return handler, nil
  78 }