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
  18 package httpmsghandlerprovider
  19
  20 import (
  21         "e2mgr/configuration"
  22         "e2mgr/e2managererrors"
  23         "e2mgr/handlers/httpmsghandlers"
  24         "e2mgr/logger"
  25         "e2mgr/managers"
  26         "e2mgr/services"
  27         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
  28 )
  29
  30 type IncomingRequest string
  31
  32 const (
  33         ShutdownRequest  IncomingRequest = "Shutdown"
  34         ResetRequest     IncomingRequest = "Reset"
  35         X2SetupRequest   IncomingRequest = "X2SetupRequest"
  36         EndcSetupRequest IncomingRequest = "EndcSetupRequest"
  37 )
  38
  39 type IncomingRequestHandlerProvider struct {
  40         requestMap map[IncomingRequest]httpmsghandlers.RequestHandler
  41         logger     *logger.Logger
  42 }
  43
  44 func NewIncomingRequestHandlerProvider(logger *logger.Logger, rmrService *services.RmrService, config *configuration.Configuration, rNibDataService services.RNibDataService, ranSetupManager *managers.RanSetupManager) *IncomingRequestHandlerProvider {
  45
  46         return &IncomingRequestHandlerProvider{
  47                 requestMap: initRequestHandlerMap(logger, rmrService, config, rNibDataService, ranSetupManager),
  48                 logger:     logger,
  49         }
  50 }
  51
  52 func initRequestHandlerMap(logger *logger.Logger, rmrService *services.RmrService, config *configuration.Configuration, rNibDataService services.RNibDataService, ranSetupManager *managers.RanSetupManager) map[IncomingRequest]httpmsghandlers.RequestHandler {
  53
  54         return map[IncomingRequest]httpmsghandlers.RequestHandler{
  55                 ShutdownRequest: httpmsghandlers.NewDeleteAllRequestHandler(logger, rmrService, config, rNibDataService), //TODO change to pointer
  56                 ResetRequest:    httpmsghandlers.NewX2ResetRequestHandler(logger, rmrService, rNibDataService),
  57                 X2SetupRequest:    httpmsghandlers.NewSetupRequestHandler(logger, rNibDataService, ranSetupManager, entities.E2ApplicationProtocol_X2_SETUP_REQUEST),
  58                 EndcSetupRequest:    httpmsghandlers.NewSetupRequestHandler(logger, rNibDataService, ranSetupManager, entities.E2ApplicationProtocol_ENDC_X2_SETUP_REQUEST), //TODO change to pointer
  59         }
  60 }
  61
  62 func (provider IncomingRequestHandlerProvider) GetHandler(requestType IncomingRequest) (httpmsghandlers.RequestHandler, error) {
  63         handler, ok := provider.requestMap[requestType]
  64
  65         if !ok {
  66                 provider.logger.Errorf("#incoming_request_handler_provider.GetHandler - Cannot find handler for request type: %s", requestType)
  67                 return nil, e2managererrors.NewInternalError()
  68         }
  69
  70         return handler, nil
  71 }