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