2 // Copyright 2019 AT&T Intellectual Property
3 // Copyright 2019 Nokia
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
9 // http://www.apache.org/licenses/LICENSE-2.0
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.
17 // This source code is part of the near-RT RIC (RAN Intelligent Controller)
18 // platform project (RICP).
20 package httpmsghandlers
26 "e2mgr/e2managererrors"
32 "e2mgr/services/rmrsender"
33 "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/common"
34 "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
38 type DeleteAllRequestHandler struct {
39 rnibDataService services.RNibDataService
40 rmrSender *rmrsender.RmrSender
41 config *configuration.Configuration
43 e2tInstancesManager managers.IE2TInstancesManager
44 rmClient clients.IRoutingManagerClient
45 ranConnectStatusChangeManager managers.IRanConnectStatusChangeManager
46 ranListManager managers.RanListManager
49 const PartialSuccessDueToRmErrorMessage = "Operation succeeded except for routing manager outbound call"
51 func NewDeleteAllRequestHandler(logger *logger.Logger, rmrSender *rmrsender.RmrSender, config *configuration.Configuration, rnibDataService services.RNibDataService, e2tInstancesManager managers.IE2TInstancesManager, rmClient clients.IRoutingManagerClient, ranConnectStatusChangeManager managers.IRanConnectStatusChangeManager, ranListManager managers.RanListManager) *DeleteAllRequestHandler {
52 return &DeleteAllRequestHandler{
54 rnibDataService: rnibDataService,
57 e2tInstancesManager: e2tInstancesManager,
59 ranConnectStatusChangeManager: ranConnectStatusChangeManager,
60 ranListManager: ranListManager,
64 func (h *DeleteAllRequestHandler) Handle(request models.Request) (models.IResponse, error) {
65 h.logger.Infof("#DeleteAllRequestHandler.Handle - handling shutdown request")
67 e2tAddresses, err := h.e2tInstancesManager.GetE2TAddresses()
73 if len(e2tAddresses) == 0 {
74 err, _ = h.updateNodebs(h.updateNodebInfoForceShutdown)
78 dissocErr := h.rmClient.DissociateAllRans(e2tAddresses)
81 h.logger.Warnf("#DeleteAllRequestHandler.Handle - routing manager failure. continue flow.")
84 err, updatedAtLeastOnce := h.updateNodebs(h.updateNodebInfoShuttingDown)
90 err = h.e2tInstancesManager.ClearRansOfAllE2TInstances()
96 rmrMessage := models.RmrMessage{MsgType: rmrCgo.RIC_SCTP_CLEAR_ALL}
98 err = h.rmrSender.Send(&rmrMessage)
101 h.logger.Errorf("#DeleteAllRequestHandler.Handle - failed to send sctp clear all message to RMR: %s", err)
102 return nil, e2managererrors.NewRmrError()
105 if !updatedAtLeastOnce {
106 h.logger.Infof("#DeleteAllRequestHandler.Handle - DB wasn't updated, not activating timer")
108 if dissocErr != nil {
109 return models.NewRedButtonPartialSuccessResponseModel(PartialSuccessDueToRmErrorMessage), nil
115 time.Sleep(time.Duration(h.config.BigRedButtonTimeoutSec) * time.Second)
116 h.logger.Infof("#DeleteAllRequestHandler.Handle - timer expired")
118 err, _ = h.updateNodebs(h.updateNodebInfoShutDown)
124 if dissocErr != nil {
125 return models.NewRedButtonPartialSuccessResponseModel(PartialSuccessDueToRmErrorMessage), nil
131 func (h *DeleteAllRequestHandler) updateNodebs(updateCb func(node *entities.NodebInfo) (error, bool)) (error, bool) {
132 nbIdentityList := h.ranListManager.GetNbIdentityList()
133 updatedAtLeastOnce := false
135 for _, nbIdentity := range nbIdentityList {
136 node, err := h.rnibDataService.GetNodeb(nbIdentity.InventoryName)
139 _, ok := err.(*common.ResourceNotFoundError)
142 h.logger.Errorf("#DeleteAllRequestHandler.updateNodebs - failed to get nodeB entity for ran name: %s from rNib. error: %s", nbIdentity.InventoryName, err)
143 return e2managererrors.NewRnibDbError(), false
148 err, updated := updateCb(node)
155 updatedAtLeastOnce = true
159 return nil, updatedAtLeastOnce
162 func (h *DeleteAllRequestHandler) updateNodebInfoForceShutdown(node *entities.NodebInfo) (error, bool) {
163 err := h.updateNodebInfo(node, entities.ConnectionStatus_SHUT_DOWN, true)
172 func (h *DeleteAllRequestHandler) updateNodebInfoShuttingDown(node *entities.NodebInfo) (error, bool) {
173 if node.ConnectionStatus == entities.ConnectionStatus_SHUT_DOWN {
177 err := h.updateNodebInfo(node, entities.ConnectionStatus_SHUTTING_DOWN, true)
186 func (h *DeleteAllRequestHandler) updateNodebInfoShutDown(node *entities.NodebInfo) (error, bool) {
187 if node.ConnectionStatus == entities.ConnectionStatus_SHUT_DOWN {
191 if node.ConnectionStatus != entities.ConnectionStatus_SHUTTING_DOWN {
192 h.logger.Warnf("#DeleteAllRequestHandler.updateNodebInfoShutDown - RAN name: %s - ignore, status is not Shutting Down", node.RanName)
196 err := h.updateNodebInfo(node, entities.ConnectionStatus_SHUT_DOWN, false)
205 func (h *DeleteAllRequestHandler) updateNodebInfo(node *entities.NodebInfo, connectionStatus entities.ConnectionStatus, resetAssociatedE2TAddress bool) error {
207 _, err := h.ranConnectStatusChangeManager.ChangeStatus(node, connectionStatus)
209 return e2managererrors.NewRnibDbError()
212 if resetAssociatedE2TAddress {
213 node.AssociatedE2TInstanceAddress = ""
215 err = h.rnibDataService.UpdateNodebInfo(node)
217 h.logger.Errorf("#DeleteAllRequestHandler.updateNodebInfo - RAN name: %s - failed updating nodeB entity in rNib. error: %s", node.RanName, err)
218 return e2managererrors.NewRnibDbError()
221 h.logger.Infof("#DeleteAllRequestHandler.updateNodebInfo - RAN name: %s, connection status: %s", node.RanName, connectionStatus)