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
47 const PartialSuccessDueToRmErrorMessage = "Operation succeeded except for routing manager outbound call"
49 func NewDeleteAllRequestHandler(logger *logger.Logger, rmrSender *rmrsender.RmrSender, config *configuration.Configuration, rnibDataService services.RNibDataService, e2tInstancesManager managers.IE2TInstancesManager, rmClient clients.IRoutingManagerClient) *DeleteAllRequestHandler {
50 return &DeleteAllRequestHandler{
52 rnibDataService: rnibDataService,
55 e2tInstancesManager: e2tInstancesManager,
60 func (h *DeleteAllRequestHandler) Handle(request models.Request) (models.IResponse, error) {
61 h.logger.Infof("#DeleteAllRequestHandler.Handle - handling shutdown request")
63 e2tAddresses, err := h.e2tInstancesManager.GetE2TAddresses()
69 if len(e2tAddresses) == 0 {
70 err, _ = h.updateNodebs(h.updateNodebInfoForceShutdown)
74 dissocErr := h.rmClient.DissociateAllRans(e2tAddresses)
77 h.logger.Warnf("#DeleteAllRequestHandler.Handle - routing manager failure. continue flow.")
80 err, updatedAtLeastOnce := h.updateNodebs(h.updateNodebInfoShuttingDown)
86 err = h.e2tInstancesManager.ClearRansOfAllE2TInstances()
92 rmrMessage := models.RmrMessage{MsgType: rmrCgo.RIC_SCTP_CLEAR_ALL}
94 err = h.rmrSender.Send(&rmrMessage)
97 h.logger.Errorf("#DeleteAllRequestHandler.Handle - failed to send sctp clear all message to RMR: %s", err)
98 return nil, e2managererrors.NewRmrError()
101 if !updatedAtLeastOnce {
102 h.logger.Infof("#DeleteAllRequestHandler.Handle - DB wasn't updated, not activating timer")
104 if dissocErr != nil {
105 return models.NewRedButtonPartialSuccessResponseModel(PartialSuccessDueToRmErrorMessage), nil
111 time.Sleep(time.Duration(h.config.BigRedButtonTimeoutSec) * time.Second)
112 h.logger.Infof("#DeleteAllRequestHandler.Handle - timer expired")
114 err, _ = h.updateNodebs(h.updateNodebInfoShutDown)
120 if dissocErr != nil {
121 return models.NewRedButtonPartialSuccessResponseModel(PartialSuccessDueToRmErrorMessage), nil
127 func (h *DeleteAllRequestHandler) updateNodebs(updateCb func(node *entities.NodebInfo) (error, bool)) (error, bool) {
128 nbIdentityList, err := h.rnibDataService.GetListNodebIds()
131 h.logger.Errorf("#DeleteAllRequestHandler.updateNodebs - failed to get nodes list from rNib. Error: %s", err)
132 return e2managererrors.NewRnibDbError(), false
135 updatedAtLeastOnce := false
137 for _, nbIdentity := range nbIdentityList {
138 node, err := h.rnibDataService.GetNodeb(nbIdentity.InventoryName)
141 _, ok := err.(*common.ResourceNotFoundError)
144 h.logger.Errorf("#DeleteAllRequestHandler.updateNodebs - failed to get nodeB entity for ran name: %s from rNib. error: %s", nbIdentity.InventoryName, err)
145 return e2managererrors.NewRnibDbError(), false
150 err, updated := updateCb(node)
157 updatedAtLeastOnce = true
161 return nil, updatedAtLeastOnce
164 func (h *DeleteAllRequestHandler) updateNodebInfoForceShutdown(node *entities.NodebInfo) (error, bool) {
165 err := h.updateNodebInfo(node, entities.ConnectionStatus_SHUT_DOWN, true)
174 func (h *DeleteAllRequestHandler) updateNodebInfoShuttingDown(node *entities.NodebInfo) (error, bool) {
175 if node.ConnectionStatus == entities.ConnectionStatus_SHUT_DOWN {
179 err := h.updateNodebInfo(node, entities.ConnectionStatus_SHUTTING_DOWN, true)
188 func (h *DeleteAllRequestHandler) updateNodebInfoShutDown(node *entities.NodebInfo) (error, bool) {
189 if node.ConnectionStatus == entities.ConnectionStatus_SHUT_DOWN {
193 if node.ConnectionStatus != entities.ConnectionStatus_SHUTTING_DOWN {
194 h.logger.Warnf("#DeleteAllRequestHandler.updateNodebInfoShutDown - RAN name: %s - ignore, status is not Shutting Down", node.RanName)
198 err := h.updateNodebInfo(node, entities.ConnectionStatus_SHUT_DOWN, false)
207 func (h *DeleteAllRequestHandler) updateNodebInfo(node *entities.NodebInfo, connectionStatus entities.ConnectionStatus, resetAssociatedE2TAddress bool) error {
208 node.ConnectionStatus = connectionStatus
210 if resetAssociatedE2TAddress {
211 node.AssociatedE2TInstanceAddress = ""
214 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)