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.
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"
31 type RNibDataService interface {
32 SaveNodeb(nbIdentity *entities.NbIdentity, nb *entities.NodebInfo) error
33 UpdateNodebInfo(nodebInfo *entities.NodebInfo) error
34 SaveRanLoadInformation(inventoryName string, ranLoadInformation *entities.RanLoadInformation) error
35 GetNodeb(ranName string) (*entities.NodebInfo, error)
36 GetListNodebIds() ([]*entities.NbIdentity, error)
38 GetE2TInstance(address string) (*entities.E2TInstance, error)
39 GetE2TInfoList() ([]*entities.E2TInstanceInfo, error)
40 SaveE2TInstance(e2tInstance *entities.E2TInstance) error
41 SaveE2TInfoList(e2tInfoList []*entities.E2TInstanceInfo) error
44 type rNibDataService struct {
46 rnibReader reader.RNibReader
47 rnibWriter rNibWriter.RNibWriter
49 retryInterval time.Duration
52 func NewRnibDataService(logger *logger.Logger, config *configuration.Configuration, rnibReader reader.RNibReader, rnibWriter rNibWriter.RNibWriter) *rNibDataService {
53 return &rNibDataService{
55 rnibReader: rnibReader,
56 rnibWriter: rnibWriter,
57 maxAttempts: config.MaxRnibConnectionAttempts,
58 retryInterval: time.Duration(config.RnibRetryIntervalMs) * time.Millisecond,
62 func (w *rNibDataService) UpdateNodebInfo(nodebInfo *entities.NodebInfo) error {
63 w.logger.Infof("#RnibDataService.UpdateNodebInfo - nodebInfo: %s", nodebInfo)
65 err := w.retry("UpdateNodebInfo", func() (err error) {
66 err = w.rnibWriter.UpdateNodebInfo(nodebInfo)
73 func (w *rNibDataService) SaveNodeb(nbIdentity *entities.NbIdentity, nb *entities.NodebInfo) error {
74 w.logger.Infof("#RnibDataService.SaveNodeb - nbIdentity: %s, nodebInfo: %s", nbIdentity, nb)
76 err := w.retry("SaveNodeb", func() (err error) {
77 err = w.rnibWriter.SaveNodeb(nbIdentity, nb)
84 func (w *rNibDataService) SaveRanLoadInformation(inventoryName string, ranLoadInformation *entities.RanLoadInformation) error {
85 w.logger.Infof("#RnibDataService.SaveRanLoadInformation - inventoryName: %s, ranLoadInformation: %s", inventoryName, ranLoadInformation)
87 err := w.retry("SaveRanLoadInformation", func() (err error) {
88 err = w.rnibWriter.SaveRanLoadInformation(inventoryName, ranLoadInformation)
95 func (w *rNibDataService) GetNodeb(ranName string) (*entities.NodebInfo, error) {
96 w.logger.Infof("#RnibDataService.GetNodeb - RAN name: %s", ranName)
98 var nodeb *entities.NodebInfo = nil
100 err := w.retry("GetNodeb", func() (err error) {
101 nodeb, err = w.rnibReader.GetNodeb(ranName)
108 func (w *rNibDataService) GetListNodebIds() ([]*entities.NbIdentity, error) {
109 w.logger.Infof("#RnibDataService.GetListNodebIds")
111 var nodeIds []*entities.NbIdentity = nil
113 err := w.retry("GetListNodebIds", func() (err error) {
114 nodeIds, err = w.rnibReader.GetListNodebIds()
121 func (w *rNibDataService) GetE2TInstance(address string) (*entities.E2TInstance, error) {
122 w.logger.Infof("#RnibDataService.GetE2TInstance")
124 var e2tInstance *entities.E2TInstance = nil
126 err := w.retry("GetE2TInstance", func() (err error) {
127 e2tInstance, err = w.rnibReader.GetE2TInstance(address)
131 return e2tInstance, err
133 func (w *rNibDataService) GetE2TInfoList() ([]*entities.E2TInstanceInfo, error) {
134 w.logger.Infof("#RnibDataService.GetE2TInfoList")
136 var e2tInfoList []*entities.E2TInstanceInfo = nil
138 err := w.retry("GetE2TInfoList", func() (err error) {
139 e2tInfoList, err = w.rnibReader.GetE2TInfoList()
143 return e2tInfoList, err
146 func (w *rNibDataService) SaveE2TInstance(e2tInstance *entities.E2TInstance) error {
147 w.logger.Infof("#RnibDataService.SaveE2TInstance")
149 err := w.retry("SaveE2TInstance", func() (err error) {
150 err = w.rnibWriter.SaveE2TInstance(e2tInstance)
157 func (w *rNibDataService) SaveE2TInfoList(e2tInfoList []*entities.E2TInstanceInfo) error {
158 w.logger.Infof("#RnibDataService.SaveE2TInfoList")
160 err := w.retry("SaveE2TInfoList", func() (err error) {
161 err = w.rnibWriter.SaveE2TInfoList(e2tInfoList)
168 func (w *rNibDataService) PingRnib() bool {
169 err := w.retry("GetListNodebIds", func() (err error) {
170 _, err = w.rnibReader.GetListNodebIds()
174 return !isRnibConnectionError(err)
177 func (w *rNibDataService) retry(rnibFunc string, f func() error) (err error) {
178 attempts := w.maxAttempts
185 if !isRnibConnectionError(err) {
189 w.logger.Errorf("#RnibDataService.retry - after %d attempts of %s, last error: %s", attempts, rnibFunc, err)
192 time.Sleep(w.retryInterval)
194 w.logger.Infof("#RnibDataService.retry - retrying %d %s after error: %s", i, rnibFunc, err)
198 func isRnibConnectionError(err error) bool {
199 internalErr, ok := err.(*common.InternalError)
203 _, ok = internalErr.Err.(*net.OpError)