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).
25 "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
29 CONNECTED_RAW_EVENT = "CONNECTED"
30 DISCONNECTED_RAW_EVENT = "DISCONNECTED"
31 NONE_RAW_EVENT = "NONE"
34 type IRanConnectStatusChangeManager interface {
35 ChangeStatus(nodebInfo *entities.NodebInfo, nextStatus entities.ConnectionStatus) (bool, error)
38 type RanConnectStatusChangeManager struct {
40 rnibDataService services.RNibDataService
41 ranListManager RanListManager
42 ranAlarmService services.RanAlarmService
45 func NewRanConnectStatusChangeManager(logger *logger.Logger, rnibDataService services.RNibDataService, ranListManager RanListManager, ranAlarmService services.RanAlarmService) *RanConnectStatusChangeManager {
46 return &RanConnectStatusChangeManager{
48 rnibDataService: rnibDataService,
49 ranListManager: ranListManager,
50 ranAlarmService: ranAlarmService,
54 func (m *RanConnectStatusChangeManager) ChangeStatus(nodebInfo *entities.NodebInfo, nextStatus entities.ConnectionStatus) (bool, error) {
55 m.logger.Infof("#RanConnectStatusChangeManager.ChangeStatus - RAN name: %s, currentStatus: %s, nextStatus: %s", nodebInfo.RanName, nodebInfo.GetConnectionStatus(), nextStatus)
57 var ranStatusChangePublished bool
59 // set the proper event
60 event := m.setEvent(nodebInfo, nextStatus)
61 isConnectivityEvent := event != NONE_RAW_EVENT
63 // only after determining event we set next status
64 nodebInfo.ConnectionStatus = nextStatus;
65 if !isConnectivityEvent {
66 err := m.updateNodebInfo(nodebInfo)
68 return ranStatusChangePublished, err
71 err := m.updateNodebInfoOnConnectionStatusInversion(nodebInfo, event)
73 return ranStatusChangePublished, err
75 ranStatusChangePublished = true
78 // in any case, update RanListManager
79 connectionStatus := nodebInfo.GetConnectionStatus()
80 m.logger.Infof("#RanConnectStatusChangeManager.ChangeStatus - RAN name: %s, updating RanListManager... status: %s", nodebInfo.RanName, connectionStatus)
81 err := m.ranListManager.UpdateNbIdentityConnectionStatus(nodebInfo.GetNodeType(), nodebInfo.RanName, connectionStatus)
83 m.logger.Errorf("#RanConnectStatusChangeManager.ChangeStatus - RAN name: %s - Failed updating RAN's connection status by RanListManager. Error: %v", nodebInfo.RanName, err)
87 if isConnectivityEvent {
88 m.logger.Infof("#RanConnectStatusChangeManager.ChangeStatus - RAN name: %s, setting alarm at RanAlarmService... event: %s", nodebInfo.RanName, event)
89 err := m.ranAlarmService.SetConnectivityChangeAlarm(nodebInfo)
91 m.logger.Errorf("#RanConnectStatusChangeManager.ChangeStatus - RAN name: %s - Failed setting an alarm by RanAlarmService. Error: %v", nodebInfo.RanName, err)
96 return ranStatusChangePublished, nil
99 func (m *RanConnectStatusChangeManager) updateNodebInfoOnConnectionStatusInversion(nodebInfo *entities.NodebInfo, event string) error {
101 err := m.rnibDataService.UpdateNodebInfoOnConnectionStatusInversion(nodebInfo, event)
104 m.logger.Errorf("#RanConnectStatusChangeManager.updateNodebInfoOnConnectionStatusInversion - RAN name: %s - Failed updating RAN's connection status in rNib. Error: %v", nodebInfo.RanName, err)
108 m.logger.Infof("#RanConnectStatusChangeManager.updateNodebInfoOnConnectionStatusInversion - RAN name: %s - Successfully updated rNib.", nodebInfo.RanName)
112 func (m *RanConnectStatusChangeManager) updateNodebInfo(nodebInfo *entities.NodebInfo) error {
114 err := m.rnibDataService.UpdateNodebInfo(nodebInfo)
117 m.logger.Errorf("#RanConnectStatusChangeManager.updateNodebInfo - RAN name: %s - Failed updating RAN's connection status in rNib. Error: %v", nodebInfo.RanName, err)
121 m.logger.Infof("#RanConnectStatusChangeManager.updateNodebInfo - RAN name: %s - Successfully updated rNib.", nodebInfo.RanName)
125 func (m *RanConnectStatusChangeManager) setEvent(nodebInfo *entities.NodebInfo, nextState entities.ConnectionStatus) string {
126 currentConnectionStatus := nodebInfo.GetConnectionStatus()
129 if currentConnectionStatus != entities.ConnectionStatus_CONNECTED && nextState == entities.ConnectionStatus_CONNECTED {
130 event = nodebInfo.RanName + "_" + CONNECTED_RAW_EVENT
131 } else if currentConnectionStatus == entities.ConnectionStatus_CONNECTED && nextState != entities.ConnectionStatus_CONNECTED {
132 event = nodebInfo.RanName + "_" + DISCONNECTED_RAW_EVENT
134 event = NONE_RAW_EVENT
137 m.logger.Infof("#RanConnectStatusChangeManager.setEvent - Connectivity Event for RAN %s is: %s", nodebInfo.RanName, event)