9e453722cf96876d406ec1d2076393fb35525c99
[ric-plt/e2mgr.git] / 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 //  This source code is part of the near-RT RIC (RAN Intelligent Controller)
18 //  platform project (RICP).
19
20 package httpmsghandlerprovider
21
22 import (
23         "e2mgr/clients"
24         "e2mgr/configuration"
25         "e2mgr/e2managererrors"
26         "e2mgr/handlers/httpmsghandlers"
27         "e2mgr/logger"
28         "e2mgr/managers"
29         "e2mgr/services"
30         "e2mgr/services/rmrsender"
31         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
32 )
33
34 type IncomingRequest string
35
36 const (
37         SetGeneralConfigurationRequest IncomingRequest = "SetGeneralConfiguration"
38         ShutdownRequest                IncomingRequest = "Shutdown"
39         ResetRequest                   IncomingRequest = "Reset"
40         X2SetupRequest                 IncomingRequest = "X2SetupRequest"
41         EndcSetupRequest               IncomingRequest = "EndcSetupRequest"
42         GetNodebRequest                IncomingRequest = "GetNodebRequest"
43         GetNodebIdListRequest          IncomingRequest = "GetNodebIdListRequest"
44         GetE2TInstancesRequest         IncomingRequest = "GetE2TInstancesRequest"
45         UpdateGnbRequest               IncomingRequest = "UpdateGnbRequest"
46 )
47
48 type IncomingRequestHandlerProvider struct {
49         requestMap map[IncomingRequest]httpmsghandlers.RequestHandler
50         logger     *logger.Logger
51 }
52
53 func NewIncomingRequestHandlerProvider(logger *logger.Logger, rmrSender *rmrsender.RmrSender, config *configuration.Configuration, rNibDataService services.RNibDataService, ranSetupManager *managers.RanSetupManager, e2tInstancesManager managers.IE2TInstancesManager, e2tAssociationManager *managers.E2TAssociationManager, rmClient clients.IRoutingManagerClient) *IncomingRequestHandlerProvider {
54
55         return &IncomingRequestHandlerProvider{
56                 requestMap: initRequestHandlerMap(logger, rmrSender, config, rNibDataService, ranSetupManager, e2tInstancesManager, e2tAssociationManager, rmClient),
57                 logger:     logger,
58         }
59 }
60
61 func initRequestHandlerMap(logger *logger.Logger, rmrSender *rmrsender.RmrSender, config *configuration.Configuration, rNibDataService services.RNibDataService, ranSetupManager *managers.RanSetupManager, e2tInstancesManager managers.IE2TInstancesManager, e2tAssociationManager *managers.E2TAssociationManager, rmClient clients.IRoutingManagerClient) map[IncomingRequest]httpmsghandlers.RequestHandler {
62
63         return map[IncomingRequest]httpmsghandlers.RequestHandler{
64                 ShutdownRequest:                httpmsghandlers.NewDeleteAllRequestHandler(logger, rmrSender, config, rNibDataService, e2tInstancesManager, rmClient),
65                 ResetRequest:                   httpmsghandlers.NewX2ResetRequestHandler(logger, rmrSender, rNibDataService),
66                 X2SetupRequest:                 httpmsghandlers.NewSetupRequestHandler(logger, rNibDataService, ranSetupManager, entities.E2ApplicationProtocol_X2_SETUP_REQUEST, e2tInstancesManager, e2tAssociationManager),
67                 EndcSetupRequest:               httpmsghandlers.NewSetupRequestHandler(logger, rNibDataService, ranSetupManager, entities.E2ApplicationProtocol_ENDC_X2_SETUP_REQUEST, e2tInstancesManager, e2tAssociationManager),
68                 GetNodebRequest:                httpmsghandlers.NewGetNodebRequestHandler(logger, rNibDataService),
69                 GetNodebIdListRequest:          httpmsghandlers.NewGetNodebIdListRequestHandler(logger, rNibDataService),
70                 GetE2TInstancesRequest:         httpmsghandlers.NewGetE2TInstancesRequestHandler(logger, e2tInstancesManager),
71                 UpdateGnbRequest:               httpmsghandlers.NewUpdateGnbRequestHandler(logger, rNibDataService),
72                 SetGeneralConfigurationRequest: httpmsghandlers.NewSetGeneralConfigurationHandler(logger, rNibDataService),
73         }
74 }
75
76 func (provider IncomingRequestHandlerProvider) GetHandler(requestType IncomingRequest) (httpmsghandlers.RequestHandler, error) {
77         handler, ok := provider.requestMap[requestType]
78
79         if !ok {
80                 provider.logger.Errorf("#incoming_request_handler_provider.GetHandler - Cannot find handler for request type: %s", requestType)
81                 return nil, e2managererrors.NewInternalError()
82         }
83
84         return handler, nil
85 }