providers/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 providers
  19
  20 import (
  21         "e2mgr/configuration"
  22         "e2mgr/e2managererrors"
  23         "e2mgr/handlers"
  24         "e2mgr/logger"
  25         "e2mgr/rNibWriter"
  26         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/reader"
  27 )
  28
  29 type IncomingRequest string
  30
  31 const(
  32         ShutdownRequest IncomingRequest = "Shutdown"
  33 )
  34
  35 type IncomingRequestHandlerProvider struct{
  36         requestMap map[IncomingRequest]handlers.RequestHandler
  37         logger *logger.Logger
  38 }
  39
  40 func NewIncomingRequestHandlerProvider(logger *logger.Logger, config *configuration.Configuration, rNibWriterProvider func() rNibWriter.RNibWriter,
  41         rNibReaderProvider func() reader.RNibReader) *IncomingRequestHandlerProvider {
  42
  43         return &IncomingRequestHandlerProvider{
  44                 requestMap:     initRequestHandlerMap(config, rNibWriterProvider, rNibReaderProvider),
  45                 logger: logger,
  46         }
  47 }
  48
  49 func initRequestHandlerMap(config *configuration.Configuration, rNibWriterProvider func() rNibWriter.RNibWriter,
  50         rNibReaderProvider func() reader.RNibReader) map[IncomingRequest]handlers.RequestHandler {
  51
  52         return map[IncomingRequest]handlers.RequestHandler{
  53                 ShutdownRequest: handlers.NewDeleteAllRequestHandler(config, rNibWriterProvider, rNibReaderProvider), //TODO change to pointer
  54         }
  55 }
  56
  57 func (provider IncomingRequestHandlerProvider) GetHandler(requestType IncomingRequest) (handlers.RequestHandler, error) {
  58         handler, ok := provider.requestMap[requestType]
  59
  60         if !ok {
  61                 provider.logger.Errorf("#incoming_request_handler_provider.GetHandler - Cannot find handler for request type: %s", requestType)
  62                 return nil, e2managererrors.NewInternalError()
  63         }
  64
  65         return handler, nil
  66 }