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)
40 type rNibDataService struct {
42 rnibReader reader.RNibReader
43 rnibWriter rNibWriter.RNibWriter
45 retryInterval time.Duration
48 func NewRnibDataService(logger *logger.Logger, config *configuration.Configuration, rnibReader reader.RNibReader, rnibWriter rNibWriter.RNibWriter) *rNibDataService {
49 return &rNibDataService{
51 rnibReader: rnibReader,
52 rnibWriter: rnibWriter,
53 maxAttempts: config.MaxRnibConnectionAttempts,
54 retryInterval: time.Duration(config.RnibRetryIntervalMs) * time.Millisecond,
58 func (w *rNibDataService) UpdateNodebInfo(nodebInfo *entities.NodebInfo) error {
59 w.logger.Infof("#RnibDataService.UpdateNodebInfo - nodebInfo: %s", nodebInfo)
61 err := w.retry("UpdateNodebInfo", func() (err error) {
62 err = w.rnibWriter.UpdateNodebInfo(nodebInfo)
69 func (w *rNibDataService) SaveNodeb(nbIdentity *entities.NbIdentity, nb *entities.NodebInfo) error {
70 w.logger.Infof("#RnibDataService.SaveNodeb - nbIdentity: %s, nodebInfo: %s", nbIdentity, nb)
72 err := w.retry("SaveNodeb", func() (err error) {
73 err = w.rnibWriter.SaveNodeb(nbIdentity, nb)
80 func (w *rNibDataService) SaveRanLoadInformation(inventoryName string, ranLoadInformation *entities.RanLoadInformation) error {
81 w.logger.Infof("#RnibDataService.SaveRanLoadInformation - inventoryName: %s, ranLoadInformation: %s", inventoryName, ranLoadInformation)
83 err := w.retry("SaveRanLoadInformation", func() (err error) {
84 err = w.rnibWriter.SaveRanLoadInformation(inventoryName, ranLoadInformation)
91 func (w *rNibDataService) GetNodeb(ranName string) (*entities.NodebInfo, error) {
92 w.logger.Infof("#RnibDataService.GetNodeb - RAN name: %s", ranName)
94 var nodeb *entities.NodebInfo = nil
96 err := w.retry("GetNodeb", func() (err error) {
97 nodeb, err = w.rnibReader.GetNodeb(ranName)
104 func (w *rNibDataService) GetListNodebIds() ([]*entities.NbIdentity, error) {
105 w.logger.Infof("#RnibDataService.GetListNodebIds")
107 var nodeIds []*entities.NbIdentity = nil
109 err := w.retry("GetListNodebIds", func() (err error) {
110 nodeIds, err = w.rnibReader.GetListNodebIds()
117 func (w *rNibDataService) PingRnib() bool {
118 err := w.retry("GetListNodebIds", func() (err error) {
119 _, err = w.rnibReader.GetListNodebIds()
123 return !isRnibConnectionError(err)
126 func (w *rNibDataService) retry(rnibFunc string, f func() error) (err error) {
127 attempts := w.maxAttempts
134 if !isRnibConnectionError(err) {
138 w.logger.Errorf("#RnibDataService.retry - after %d attempts of %s, last error: %s", attempts, rnibFunc, err)
141 time.Sleep(w.retryInterval)
143 w.logger.Infof("#RnibDataService.retry - retrying %d %s after error: %s", i, rnibFunc, err)
147 func isRnibConnectionError(err error) bool {
148 internalErr, ok := err.(*common.InternalError)
152 _, ok = internalErr.Err.(*net.OpError)