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).
24 "e2mgr/e2managererrors"
27 "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
30 type E2TAssociationManager struct {
32 rnibDataService services.RNibDataService
33 e2tInstanceManager IE2TInstancesManager
34 rmClient clients.IRoutingManagerClient
37 func NewE2TAssociationManager(logger *logger.Logger, rnibDataService services.RNibDataService, e2tInstanceManager IE2TInstancesManager, rmClient clients.IRoutingManagerClient) *E2TAssociationManager {
38 return &E2TAssociationManager{
40 rnibDataService: rnibDataService,
41 e2tInstanceManager: e2tInstanceManager,
46 func (m *E2TAssociationManager) AssociateRan(e2tAddress string, nodebInfo *entities.NodebInfo) error {
47 ranName := nodebInfo.RanName
48 m.logger.Infof("#E2TAssociationManager.AssociateRan - Associating RAN %s to E2T Instance address: %s", ranName, e2tAddress)
50 err := m.associateRanAndUpdateNodeb(e2tAddress, nodebInfo)
52 m.logger.Errorf("#E2TAssociationManager.AssociateRan - RoutingManager failure: Failed to associate RAN %s to E2T %s. Error: %s", nodebInfo, e2tAddress, err)
55 err = m.e2tInstanceManager.AddRansToInstance(e2tAddress, []string{ranName})
57 m.logger.Errorf("#E2TAssociationManager.AssociateRan - RAN name: %s - Failed to add RAN to E2T instance %s. Error: %s", ranName, e2tAddress, err)
58 return e2managererrors.NewRnibDbError()
60 m.logger.Infof("#E2TAssociationManager.AssociateRan - successfully associated RAN %s with E2T %s", ranName, e2tAddress)
64 func (m *E2TAssociationManager) associateRanAndUpdateNodeb(e2tAddress string, nodebInfo *entities.NodebInfo) error {
66 rmErr := m.rmClient.AssociateRanToE2TInstance(e2tAddress, nodebInfo.RanName)
68 nodebInfo.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
70 nodebInfo.ConnectionStatus = entities.ConnectionStatus_CONNECTED
71 nodebInfo.AssociatedE2TInstanceAddress = e2tAddress
73 rNibErr := m.rnibDataService.UpdateNodebInfo(nodebInfo)
75 m.logger.Errorf("#E2TAssociationManager.associateRanAndUpdateNodeb - RAN name: %s - Failed to update nodeb entity in rNib. Error: %s", nodebInfo.RanName, rNibErr)
79 err = e2managererrors.NewRoutingManagerError()
80 } else if rNibErr != nil{
81 err = e2managererrors.NewRnibDbError()
86 func (m *E2TAssociationManager) DissociateRan(e2tAddress string, ranName string) error {
87 m.logger.Infof("#E2TAssociationManager.DissociateRan - Dissociating RAN %s from E2T Instance address: %s", ranName, e2tAddress)
89 nodebInfo, rnibErr := m.rnibDataService.GetNodeb(ranName)
91 m.logger.Errorf("#E2TAssociationManager.DissociateRan - RAN name: %s - Failed fetching RAN from rNib. Error: %s", ranName, rnibErr)
95 nodebInfo.AssociatedE2TInstanceAddress = ""
96 rnibErr = m.rnibDataService.UpdateNodebInfo(nodebInfo)
98 m.logger.Errorf("#E2TAssociationManager.DissociateRan - RAN name: %s - Failed to update RAN.AssociatedE2TInstanceAddress in rNib. Error: %s", ranName, rnibErr)
102 err := m.e2tInstanceManager.RemoveRanFromInstance(ranName, e2tAddress)
104 m.logger.Errorf("#E2TAssociationManager.DissociateRan - RAN name: %s - Failed to remove RAN from E2T instance %s. Error: %s", ranName, e2tAddress, err)
108 err = m.rmClient.DissociateRanE2TInstance(e2tAddress, ranName)
110 m.logger.Errorf("#E2TAssociationManager.DissociateRan - RoutingManager failure: Failed to dissociate RAN %s from E2T %s. Error: %s", ranName, e2tAddress, err)
112 m.logger.Infof("#E2TAssociationManager.DissociateRan - successfully dissociated RAN %s from E2T %s", ranName, e2tAddress)
117 func (m *E2TAssociationManager) RemoveE2tInstance(e2tInstance *entities.E2TInstance) error {
118 m.logger.Infof("#E2TAssociationManager.RemoveE2tInstance - Removing E2T %s and dessociating its associated RANs.", e2tInstance.Address)
120 err := m.rmClient.DeleteE2TInstance(e2tInstance.Address, e2tInstance.AssociatedRanList)
122 m.logger.Warnf("#E2TAssociationManager.RemoveE2tInstance - RoutingManager failure: Failed to delete E2T %s. Error: %s", e2tInstance.Address, err)
126 err = m.e2tInstanceManager.RemoveE2TInstance(e2tInstance.Address)
128 m.logger.Errorf("#E2TAssociationManager.RemoveE2tInstance - Failed to remove E2T %s. Error: %s", e2tInstance.Address, err)
132 m.logger.Infof("#E2TAssociationManager.RemoveE2tInstance - E2T %s successfully removed.", e2tInstance.Address)