E2Manager/providers/httpmsghandlerprovider/incoming_request_handler_provider.go

   1 //
   2 // Copyright 2019 AT&T Intellectual Property
   3 // Copyright 2019 Nokia
   4 // Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved.
   5 //
   6 // Licensed under the Apache License, Version 2.0 (the "License");
   7 // you may not use this file except in compliance with the License.
   8 // You may obtain a copy of the License at
   9 //
  10 //      http://www.apache.org/licenses/LICENSE-2.0
  11 //
  12 // Unless required by applicable law or agreed to in writing, software
  13 // distributed under the License is distributed on an "AS IS" BASIS,
  14 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15 // See the License for the specific language governing permissions and
  16 // limitations under the License.
  17
  18 //  This source code is part of the near-RT RIC (RAN Intelligent Controller)
  19 //  platform project (RICP).
  20
  21 package httpmsghandlerprovider
  22
  23 import (
  24         "e2mgr/clients"
  25         "e2mgr/configuration"
  26         "e2mgr/e2managererrors"
  27         "e2mgr/handlers/httpmsghandlers"
  28         "e2mgr/logger"
  29         "e2mgr/managers"
  30         "e2mgr/services"
  31         "e2mgr/services/rmrsender"
  32 )
  33
  34 type IncomingRequest string
  35
  36 const (
  37         SetGeneralConfigurationRequest IncomingRequest = "SetGeneralConfiguration"
  38         ShutdownRequest                IncomingRequest = "Shutdown"
  39         ResetRequest                   IncomingRequest = "Reset"
  40         GetNodebRequest                IncomingRequest = "GetNodebRequest"
  41         GetNodebIdListRequest          IncomingRequest = "GetNodebIdListRequest"
  42         GetNodebIdRequest                  IncomingRequest = "GetNodebIdRequest"
  43         GetE2TInstancesRequest         IncomingRequest = "GetE2TInstancesRequest"
  44         UpdateGnbRequest               IncomingRequest = "UpdateGnbRequest"
  45         UpdateEnbRequest               IncomingRequest = "UpdateEnbRequest"
  46         AddEnbRequest                  IncomingRequest = "AddEnbRequest"
  47         DeleteEnbRequest               IncomingRequest = "DeleteEnbRequest"
  48         HealthCheckRequest             IncomingRequest = "HealthCheckRequest"
  49 )
  50
  51 type IncomingRequestHandlerProvider struct {
  52         requestMap                    map[IncomingRequest]httpmsghandlers.RequestHandler
  53         logger                        *logger.Logger
  54         ranConnectStatusChangeManager managers.IRanConnectStatusChangeManager
  55 }
  56
  57 func NewIncomingRequestHandlerProvider(logger *logger.Logger, rmrSender *rmrsender.RmrSender, config *configuration.Configuration, rNibDataService services.RNibDataService, e2tInstancesManager managers.IE2TInstancesManager, rmClient clients.IRoutingManagerClient, ranConnectStatusChangeManager managers.IRanConnectStatusChangeManager, nodebValidator *managers.NodebValidator, updateEnbManager managers.IUpdateNodebManager, updateGnbManager managers.IUpdateNodebManager, ranListManager managers.RanListManager) *IncomingRequestHandlerProvider {
  58
  59         return &IncomingRequestHandlerProvider{
  60                 requestMap:                    initRequestHandlerMap(logger, rmrSender, config, rNibDataService, e2tInstancesManager, rmClient, ranConnectStatusChangeManager, nodebValidator, updateEnbManager, updateGnbManager, ranListManager),
  61                 logger:                        logger,
  62                 ranConnectStatusChangeManager: ranConnectStatusChangeManager,
  63         }
  64 }
  65
  66 func initRequestHandlerMap(logger *logger.Logger, rmrSender *rmrsender.RmrSender, config *configuration.Configuration, rNibDataService services.RNibDataService, e2tInstancesManager managers.IE2TInstancesManager, rmClient clients.IRoutingManagerClient, ranConnectStatusChangeManager managers.IRanConnectStatusChangeManager, nodebValidator *managers.NodebValidator, updateEnbManager managers.IUpdateNodebManager, updateGnbManager managers.IUpdateNodebManager, ranListManager managers.RanListManager) map[IncomingRequest]httpmsghandlers.RequestHandler {
  67
  68         return map[IncomingRequest]httpmsghandlers.RequestHandler{
  69                 ShutdownRequest:                httpmsghandlers.NewDeleteAllRequestHandler(logger, rmrSender, config, rNibDataService, e2tInstancesManager, rmClient, ranConnectStatusChangeManager, ranListManager),
  70                 ResetRequest:                   httpmsghandlers.NewX2ResetRequestHandler(logger, rmrSender, rNibDataService),
  71                 SetGeneralConfigurationRequest: httpmsghandlers.NewSetGeneralConfigurationHandler(logger, rNibDataService),
  72                 GetNodebRequest:                httpmsghandlers.NewGetNodebRequestHandler(logger, rNibDataService),
  73                 GetNodebIdListRequest:          httpmsghandlers.NewGetNodebIdListRequestHandler(logger, rNibDataService, ranListManager),
  74                 GetNodebIdRequest:              httpmsghandlers.NewGetNodebIdRequestHandler(logger, ranListManager),
  75                 GetE2TInstancesRequest:         httpmsghandlers.NewGetE2TInstancesRequestHandler(logger, e2tInstancesManager),
  76                 UpdateGnbRequest:               httpmsghandlers.NewUpdateNodebRequestHandler(logger, rNibDataService, updateGnbManager),
  77                 UpdateEnbRequest:               httpmsghandlers.NewUpdateNodebRequestHandler(logger, rNibDataService, updateEnbManager),
  78                 AddEnbRequest:                  httpmsghandlers.NewAddEnbRequestHandler(logger, rNibDataService, nodebValidator, ranListManager),
  79                 DeleteEnbRequest:               httpmsghandlers.NewDeleteEnbRequestHandler(logger, rNibDataService, ranListManager),
  80                 HealthCheckRequest:             httpmsghandlers.NewHealthCheckRequestHandler(logger, rNibDataService, ranListManager, rmrSender),
  81         }
  82 }
  83
  84 func (provider IncomingRequestHandlerProvider) GetHandler(requestType IncomingRequest) (httpmsghandlers.RequestHandler, error) {
  85         handler, ok := provider.requestMap[requestType]
  86
  87         if !ok {
  88                 provider.logger.Errorf("#incoming_request_handler_provider.GetHandler - Cannot find handler for request type: %s", requestType)
  89                 return nil, e2managererrors.NewInternalError()
  90         }
  91
  92         return handler, nil
  93 }