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).
27 "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
28 "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/reader"
29 "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/common"
34 type RNibDataService interface {
35 SaveNodeb(nbIdentity *entities.NbIdentity, nb *entities.NodebInfo) error
36 UpdateNodebInfo(nodebInfo *entities.NodebInfo) error
37 SaveRanLoadInformation(inventoryName string, ranLoadInformation *entities.RanLoadInformation) error
38 GetNodeb(ranName string) (*entities.NodebInfo, error)
39 GetListNodebIds() ([]*entities.NbIdentity, error)
43 type rNibDataService struct {
45 rnibReaderProvider func() reader.RNibReader
46 rnibWriterProvider func() rNibWriter.RNibWriter
48 retryInterval time.Duration
51 func NewRnibDataService(logger *logger.Logger, config *configuration.Configuration, rnibReaderProvider func() reader.RNibReader, rnibWriterProvider func() rNibWriter.RNibWriter) *rNibDataService {
52 return &rNibDataService{
54 rnibReaderProvider: rnibReaderProvider,
55 rnibWriterProvider: rnibWriterProvider,
56 maxAttempts: config.MaxRnibConnectionAttempts,
57 retryInterval: time.Duration(config.RnibRetryIntervalMs) * time.Millisecond,
61 func (w *rNibDataService) UpdateNodebInfo(nodebInfo *entities.NodebInfo) error {
62 w.logger.Infof("#RnibDataService.UpdateNodebInfo - nodebInfo: %s", nodebInfo)
64 err := w.retry("UpdateNodebInfo", func() (err error) {
65 err = w.rnibWriterProvider().UpdateNodebInfo(nodebInfo)
72 func (w *rNibDataService) SaveNodeb(nbIdentity *entities.NbIdentity, nb *entities.NodebInfo) error {
73 w.logger.Infof("#RnibDataService.SaveNodeb - nbIdentity: %s, nodebInfo: %s", nbIdentity, nb)
75 err := w.retry("SaveNodeb", func() (err error) {
76 err = w.rnibWriterProvider().SaveNodeb(nbIdentity, nb)
83 func (w *rNibDataService) SaveRanLoadInformation(inventoryName string, ranLoadInformation *entities.RanLoadInformation) error {
84 w.logger.Infof("#RnibDataService.SaveRanLoadInformation - inventoryName: %s, ranLoadInformation: %s", inventoryName, ranLoadInformation)
86 err := w.retry("SaveRanLoadInformation", func() (err error) {
87 err = w.rnibWriterProvider().SaveRanLoadInformation(inventoryName, ranLoadInformation)
94 func (w *rNibDataService) GetNodeb(ranName string) (*entities.NodebInfo, error) {
95 w.logger.Infof("#RnibDataService.GetNodeb - RAN name: %s", ranName)
97 var nodeb *entities.NodebInfo = nil
99 err := w.retry("GetNodeb", func() (err error) {
100 nodeb, err = w.rnibReaderProvider().GetNodeb(ranName)
107 func (w *rNibDataService) GetListNodebIds() ([]*entities.NbIdentity, error) {
108 w.logger.Infof("#RnibDataService.GetListNodebIds")
110 var nodeIds []*entities.NbIdentity = nil
112 err := w.retry("GetListNodebIds", func() (err error) {
113 nodeIds, err = w.rnibReaderProvider().GetListNodebIds()
120 func (w *rNibDataService) PingRnib() bool {
121 err := w.retry("GetListNodebIds", func() (err error) {
122 _, err = w.rnibReaderProvider().GetListNodebIds()
126 return !isRnibConnectionError(err)
129 func (w *rNibDataService) retry(rnibFunc string, f func() error) (err error) {
130 attempts := w.maxAttempts
137 if !isRnibConnectionError(err) {
141 w.logger.Errorf("#RnibDataService.retry - after %d attempts of %s, last error: %s", attempts, rnibFunc, err)
144 time.Sleep(w.retryInterval)
146 w.logger.Infof("#RnibDataService.retry - retrying %d %s after error: %s", i, rnibFunc, err)
151 func isRnibConnectionError(err error) bool {
152 internalErr, ok := err.(*common.InternalError)
156 _, ok = internalErr.Err.(*net.OpError)