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 GetE2TInstances(addresses []string) ([]*entities.E2TInstance, error)
40 GetE2TAddresses() ([]string, error)
41 SaveE2TInstance(e2tInstance *entities.E2TInstance) error
42 SaveE2TAddresses(addresses []string) error
45 type rNibDataService struct {
47 rnibReader reader.RNibReader
48 rnibWriter rNibWriter.RNibWriter
50 retryInterval time.Duration
53 func NewRnibDataService(logger *logger.Logger, config *configuration.Configuration, rnibReader reader.RNibReader, rnibWriter rNibWriter.RNibWriter) *rNibDataService {
54 return &rNibDataService{
56 rnibReader: rnibReader,
57 rnibWriter: rnibWriter,
58 maxAttempts: config.MaxRnibConnectionAttempts,
59 retryInterval: time.Duration(config.RnibRetryIntervalMs) * time.Millisecond,
63 func (w *rNibDataService) UpdateNodebInfo(nodebInfo *entities.NodebInfo) error {
64 w.logger.Infof("#RnibDataService.UpdateNodebInfo - nodebInfo: %s", nodebInfo)
66 err := w.retry("UpdateNodebInfo", func() (err error) {
67 err = w.rnibWriter.UpdateNodebInfo(nodebInfo)
74 func (w *rNibDataService) SaveNodeb(nbIdentity *entities.NbIdentity, nb *entities.NodebInfo) error {
75 w.logger.Infof("#RnibDataService.SaveNodeb - nbIdentity: %s, nodebInfo: %s", nbIdentity, nb)
77 err := w.retry("SaveNodeb", func() (err error) {
78 err = w.rnibWriter.SaveNodeb(nbIdentity, nb)
85 func (w *rNibDataService) SaveRanLoadInformation(inventoryName string, ranLoadInformation *entities.RanLoadInformation) error {
86 w.logger.Infof("#RnibDataService.SaveRanLoadInformation - inventoryName: %s, ranLoadInformation: %s", inventoryName, ranLoadInformation)
88 err := w.retry("SaveRanLoadInformation", func() (err error) {
89 err = w.rnibWriter.SaveRanLoadInformation(inventoryName, ranLoadInformation)
96 func (w *rNibDataService) GetNodeb(ranName string) (*entities.NodebInfo, error) {
97 w.logger.Infof("#RnibDataService.GetNodeb - RAN name: %s", ranName)
99 var nodeb *entities.NodebInfo = nil
101 err := w.retry("GetNodeb", func() (err error) {
102 nodeb, err = w.rnibReader.GetNodeb(ranName)
109 func (w *rNibDataService) GetListNodebIds() ([]*entities.NbIdentity, error) {
110 w.logger.Infof("#RnibDataService.GetListNodebIds")
112 var nodeIds []*entities.NbIdentity = nil
114 err := w.retry("GetListNodebIds", func() (err error) {
115 nodeIds, err = w.rnibReader.GetListNodebIds()
122 func (w *rNibDataService) GetE2TInstance(address string) (*entities.E2TInstance, error) {
124 var e2tInstance *entities.E2TInstance = nil
126 err := w.retry("GetE2TInstance", func() (err error) {
127 e2tInstance, err = w.rnibReader.GetE2TInstance(address)
132 w.logger.Infof("#RnibDataService.GetE2TInstance - E2T instance address: %s, state: %s, associated RANs count: %d, keep Alive ts: %d", e2tInstance.Address, e2tInstance.State, len(e2tInstance.AssociatedRanList), e2tInstance.KeepAliveTimestamp)
135 return e2tInstance, err
138 func (w *rNibDataService) GetE2TInstances(addresses []string) ([]*entities.E2TInstance, error) {
139 w.logger.Infof("#RnibDataService.GetE2TInstances - addresses: %s", addresses)
140 var e2tInstances []*entities.E2TInstance = nil
142 err := w.retry("GetE2TInstance", func() (err error) {
143 e2tInstances, err = w.rnibReader.GetE2TInstances(addresses)
147 return e2tInstances, err
150 func (w *rNibDataService) GetE2TAddresses() ([]string, error) {
152 var e2tAddresses []string = nil
154 err := w.retry("GetE2TAddresses", func() (err error) {
155 e2tAddresses, err = w.rnibReader.GetE2TAddresses()
160 w.logger.Infof("#RnibDataService.GetE2TAddresses - addresses: %s", e2tAddresses)
163 return e2tAddresses, err
166 func (w *rNibDataService) SaveE2TInstance(e2tInstance *entities.E2TInstance) error {
167 w.logger.Infof("#RnibDataService.SaveE2TInstance - E2T instance address: %s, state: %s, associated RANs count: %d, keep Alive ts: %d", e2tInstance.Address, e2tInstance.State, len(e2tInstance.AssociatedRanList), e2tInstance.KeepAliveTimestamp)
168 err := w.retry("SaveE2TInstance", func() (err error) {
169 err = w.rnibWriter.SaveE2TInstance(e2tInstance)
176 func (w *rNibDataService) SaveE2TAddresses(addresses []string) error {
177 w.logger.Infof("#RnibDataService.SaveE2TAddresses - addresses: %s", addresses)
179 err := w.retry("SaveE2TAddresses", func() (err error) {
180 err = w.rnibWriter.SaveE2TAddresses(addresses)
187 func (w *rNibDataService) PingRnib() bool {
188 err := w.retry("GetListNodebIds", func() (err error) {
189 _, err = w.rnibReader.GetListNodebIds()
193 return !isRnibConnectionError(err)
196 func (w *rNibDataService) retry(rnibFunc string, f func() error) (err error) {
197 attempts := w.maxAttempts
204 if !isRnibConnectionError(err) {
208 w.logger.Errorf("#RnibDataService.retry - after %d attempts of %s, last error: %s", attempts, rnibFunc, err)
211 time.Sleep(w.retryInterval)
213 w.logger.Infof("#RnibDataService.retry - retrying %d %s after error: %s", i, rnibFunc, err)
217 func isRnibConnectionError(err error) bool {
218 internalErr, ok := err.(*common.InternalError)
222 _, ok = internalErr.Err.(*net.OpError)