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