94 lines
3.3 KiB
Go
94 lines
3.3 KiB
Go
//
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// Copyright 2019 AT&T Intellectual Property
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// Copyright 2019 Nokia
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// This source code is part of the near-RT RIC (RAN Intelligent Controller)
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// platform project (RICP).
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package managers
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import (
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"e2mgr/configuration"
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"e2mgr/logger"
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"e2mgr/services"
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"gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
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)
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type IRanDisconnectionManager interface {
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DisconnectRan(inventoryName string) error
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}
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type RanDisconnectionManager struct {
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logger *logger.Logger
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config *configuration.Configuration
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rnibDataService services.RNibDataService
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ranSetupManager *RanSetupManager
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e2tAssociationManager *E2TAssociationManager
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}
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func NewRanDisconnectionManager(logger *logger.Logger, config *configuration.Configuration, rnibDataService services.RNibDataService, e2tAssociationManager *E2TAssociationManager) *RanDisconnectionManager {
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return &RanDisconnectionManager{
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logger: logger,
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config: config,
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rnibDataService: rnibDataService,
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e2tAssociationManager: e2tAssociationManager,
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}
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}
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func (m *RanDisconnectionManager) DisconnectRan(inventoryName string) error {
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nodebInfo, err := m.rnibDataService.GetNodeb(inventoryName)
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if err != nil {
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m.logger.Errorf("#RanDisconnectionManager.DisconnectRan - RAN name: %s - Failed fetching RAN from rNib. Error: %v", inventoryName, err)
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return err
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}
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connectionStatus := nodebInfo.GetConnectionStatus()
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m.logger.Infof("#RanDisconnectionManager.DisconnectRan - RAN name: %s - RAN's connection status: %s", nodebInfo.RanName, connectionStatus)
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if connectionStatus == entities.ConnectionStatus_SHUT_DOWN {
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m.logger.Warnf("#RanDisconnectionManager.DisconnectRan - RAN name: %s - quit. RAN's connection status is SHUT_DOWN", nodebInfo.RanName)
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return nil
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}
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if connectionStatus == entities.ConnectionStatus_SHUTTING_DOWN {
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return m.updateNodebInfo(nodebInfo, entities.ConnectionStatus_SHUT_DOWN)
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}
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err = m.updateNodebInfo(nodebInfo, entities.ConnectionStatus_DISCONNECTED)
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if err != nil {
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return err
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}
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e2tAddress := nodebInfo.AssociatedE2TInstanceAddress
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return m.e2tAssociationManager.DissociateRan(e2tAddress, nodebInfo.RanName)
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}
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func (m *RanDisconnectionManager) updateNodebInfo(nodebInfo *entities.NodebInfo, connectionStatus entities.ConnectionStatus) error {
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nodebInfo.ConnectionStatus = connectionStatus;
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err := m.rnibDataService.UpdateNodebInfo(nodebInfo)
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if err != nil {
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m.logger.Errorf("#RanDisconnectionManager.updateNodebInfo - RAN name: %s - Failed updating RAN's connection status to %s in rNib. Error: %v", nodebInfo.RanName, connectionStatus, err)
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return err
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}
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m.logger.Infof("#RanDisconnectionManager.updateNodebInfo - RAN name: %s - Successfully updated rNib. RAN's current connection status: %s", nodebInfo.RanName, nodebInfo.ConnectionStatus)
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return nil
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}
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