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 "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/common"
25 "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
26 "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/reader"
35 type RNibDataService interface {
36 GetRsmGeneralConfiguration() (*models.RsmGeneralConfiguration, error)
37 SaveRsmGeneralConfiguration(config *models.RsmGeneralConfiguration) error
38 GetRsmRanInfo(ranName string) (*models.RsmRanInfo, error)
39 SaveRsmRanInfo(rsmData *models.RsmRanInfo) error
40 GetNodeb(ranName string) (*entities.NodebInfo, error)
41 GetListNodebIds() ([]*entities.NbIdentity, error)
42 GetListEnbIds() ([]*entities.NbIdentity, error)
46 type rNibDataService struct {
48 rnibReader reader.RNibReader
49 rsmReader rsmdb.RsmReader
50 rsmWriter rsmdb.RsmWriter
52 retryInterval time.Duration
55 func NewRnibDataService(logger *logger.Logger, config *configuration.Configuration, rnibReader reader.RNibReader, rsmReader rsmdb.RsmReader, rsmWriter rsmdb.RsmWriter) *rNibDataService {
56 return &rNibDataService{
58 rnibReader: rnibReader,
61 maxAttempts: config.Rnib.MaxRnibConnectionAttempts,
62 retryInterval: time.Duration(config.Rnib.RnibRetryIntervalMs) * time.Millisecond,
66 func (w *rNibDataService) GetRsmGeneralConfiguration() (*models.RsmGeneralConfiguration, error) {
67 var rsmGeneralConfiguration *models.RsmGeneralConfiguration = nil
69 err := w.retry("GetRsmGeneralConfiguration", func() (err error) {
70 rsmGeneralConfiguration, err = w.rsmReader.GetRsmGeneralConfiguration()
75 w.logger.Infof("#RnibDataService.GetRsmGeneralConfiguration - configuration: %+v", *rsmGeneralConfiguration)
78 return rsmGeneralConfiguration, err
81 func (w *rNibDataService) SaveRsmGeneralConfiguration(config *models.RsmGeneralConfiguration) error {
82 w.logger.Infof("#RnibDataService.SaveRsmGeneralConfiguration - configuration: %+v", *config)
84 err := w.retry("SaveRsmGeneralConfiguration", func() (err error) {
85 err = w.rsmWriter.SaveRsmGeneralConfiguration(config)
92 func (w *rNibDataService) GetRsmRanInfo(ranName string) (*models.RsmRanInfo, error) {
93 var rsmRanInfo *models.RsmRanInfo = nil
95 err := w.retry("GetRsmRanInfo", func() (err error) {
96 rsmRanInfo, err = w.rsmReader.GetRsmRanInfo(ranName)
101 w.logger.Infof("#RnibDataService.GetRsmRanInfo - RAN name: %s, RsmRanInfo: %+v", ranName, *rsmRanInfo)
104 return rsmRanInfo, err
107 func (w *rNibDataService) SaveRsmRanInfo(rsmRanInfo *models.RsmRanInfo) error {
108 err := w.retry("SaveRsmRanInfo", func() (err error) {
109 err = w.rsmWriter.SaveRsmRanInfo(rsmRanInfo)
114 w.logger.Infof("#RnibDataService.SaveRsmRanInfo - RAN name: %s, RsmRanInfo: %+v", rsmRanInfo.RanName, *rsmRanInfo)
120 func (w *rNibDataService) GetNodeb(ranName string) (*entities.NodebInfo, error) {
121 var nodeb *entities.NodebInfo = nil
123 err := w.retry("GetNodeb", func() (err error) {
124 nodeb, err = w.rnibReader.GetNodeb(ranName)
131 func (w *rNibDataService) GetListEnbIds() ([]*entities.NbIdentity, error) {
132 w.logger.Infof("#RnibDataService.GetListEnbIds")
134 var nodeIds []*entities.NbIdentity = nil
136 err := w.retry("GetListEnbIds", func() (err error) {
137 nodeIds, err = w.rnibReader.GetListEnbIds()
144 func (w *rNibDataService) GetListNodebIds() ([]*entities.NbIdentity, error) {
145 w.logger.Infof("#RnibDataService.GetListNodebIds")
147 var nodeIds []*entities.NbIdentity = nil
149 err := w.retry("GetListNodebIds", func() (err error) {
150 nodeIds, err = w.rnibReader.GetListNodebIds()
157 func (w *rNibDataService) PingRnib() bool {
158 err := w.retry("GetListNodebIds", func() (err error) {
159 _, err = w.rnibReader.GetListNodebIds()
163 return !isRnibConnectionError(err)
166 func (w *rNibDataService) retry(rnibFunc string, f func() error) (err error) {
167 attempts := w.maxAttempts
174 if !isRnibConnectionError(err) {
175 w.logger.Errorf("#RnibDataService - error in %s: %s", rnibFunc, err)
179 w.logger.Errorf("#RnibDataService.retry - after %d attempts of %s, last error: %s", attempts, rnibFunc, err)
182 time.Sleep(w.retryInterval)
184 w.logger.Infof("#RnibDataService.retry - retrying %d %s after error: %s", i, rnibFunc, err)
188 func isRnibConnectionError(err error) bool {
189 internalErr, ok := err.(*common.InternalError)
193 _, ok = internalErr.Err.(*net.OpError)