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/common"
28 "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
29 "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/reader"
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)
41 GetE2TInstance(address string) (*entities.E2TInstance, error)
42 GetE2TInstances(addresses []string) ([]*entities.E2TInstance, error)
43 GetE2TAddresses() ([]string, error)
44 SaveE2TInstance(e2tInstance *entities.E2TInstance) error
45 SaveE2TAddresses(addresses []string) error
46 GetE2TInstanceNoLogs(address string) (*entities.E2TInstance, error)
47 GetE2TInstancesNoLogs(addresses []string) ([]*entities.E2TInstance, error)
48 SaveE2TInstanceNoLogs(e2tInstance *entities.E2TInstance) error
49 GetE2TAddressesNoLogs() ([]string, error)
50 RemoveE2TInstance(e2tAddress string) error
53 type rNibDataService struct {
55 rnibReader reader.RNibReader
56 rnibWriter rNibWriter.RNibWriter
58 retryInterval time.Duration
61 func NewRnibDataService(logger *logger.Logger, config *configuration.Configuration, rnibReader reader.RNibReader, rnibWriter rNibWriter.RNibWriter) *rNibDataService {
62 return &rNibDataService{
64 rnibReader: rnibReader,
65 rnibWriter: rnibWriter,
66 maxAttempts: config.MaxRnibConnectionAttempts,
67 retryInterval: time.Duration(config.RnibRetryIntervalMs) * time.Millisecond,
71 func (w *rNibDataService) UpdateNodebInfo(nodebInfo *entities.NodebInfo) error {
72 w.logger.Infof("#RnibDataService.UpdateNodebInfo - nodebInfo: %s", nodebInfo)
74 err := w.retry("UpdateNodebInfo", func() (err error) {
75 err = w.rnibWriter.UpdateNodebInfo(nodebInfo)
82 func (w *rNibDataService) SaveNodeb(nbIdentity *entities.NbIdentity, nb *entities.NodebInfo) error {
83 w.logger.Infof("#RnibDataService.SaveNodeb - nbIdentity: %s, nodebInfo: %s", nbIdentity, nb)
85 err := w.retry("SaveNodeb", func() (err error) {
86 err = w.rnibWriter.SaveNodeb(nbIdentity, nb)
93 func (w *rNibDataService) SaveRanLoadInformation(inventoryName string, ranLoadInformation *entities.RanLoadInformation) error {
94 w.logger.Infof("#RnibDataService.SaveRanLoadInformation - inventoryName: %s, ranLoadInformation: %s", inventoryName, ranLoadInformation)
96 err := w.retry("SaveRanLoadInformation", func() (err error) {
97 err = w.rnibWriter.SaveRanLoadInformation(inventoryName, ranLoadInformation)
104 func (w *rNibDataService) GetNodeb(ranName string) (*entities.NodebInfo, error) {
106 var nodeb *entities.NodebInfo = nil
108 err := w.retry("GetNodeb", func() (err error) {
109 nodeb, err = w.rnibReader.GetNodeb(ranName)
114 w.logger.Infof("#RnibDataService.GetNodeb - RAN name: %s, connection status: %s, associated E2T: %s", nodeb.RanName, nodeb.ConnectionStatus, nodeb.AssociatedE2TInstanceAddress)
120 func (w *rNibDataService) GetListNodebIds() ([]*entities.NbIdentity, error) {
121 var nodeIds []*entities.NbIdentity = nil
123 err := w.retry("GetListNodebIds", func() (err error) {
124 nodeIds, err = w.rnibReader.GetListNodebIds()
129 w.logger.Infof("#RnibDataService.GetListNodebIds - RANs count: %d", len(nodeIds))
135 func (w *rNibDataService) GetE2TInstance(address string) (*entities.E2TInstance, error) {
136 var e2tInstance *entities.E2TInstance = nil
138 err := w.retry("GetE2TInstance", func() (err error) {
139 e2tInstance, err = w.rnibReader.GetE2TInstance(address)
144 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)
147 return e2tInstance, err
150 func (w *rNibDataService) GetE2TInstanceNoLogs(address string) (*entities.E2TInstance, error) {
151 var e2tInstance *entities.E2TInstance = nil
153 err := w.retry("GetE2TInstance", func() (err error) {
154 e2tInstance, err = w.rnibReader.GetE2TInstance(address)
158 return e2tInstance, err
161 func (w *rNibDataService) GetE2TInstances(addresses []string) ([]*entities.E2TInstance, error) {
162 w.logger.Infof("#RnibDataService.GetE2TInstances - addresses: %s", addresses)
163 var e2tInstances []*entities.E2TInstance = nil
165 err := w.retry("GetE2TInstance", func() (err error) {
166 e2tInstances, err = w.rnibReader.GetE2TInstances(addresses)
170 return e2tInstances, err
173 func (w *rNibDataService) GetE2TInstancesNoLogs(addresses []string) ([]*entities.E2TInstance, error) {
175 var e2tInstances []*entities.E2TInstance = nil
177 err := w.retry("GetE2TInstance", func() (err error) {
178 e2tInstances, err = w.rnibReader.GetE2TInstances(addresses)
182 return e2tInstances, err
185 func (w *rNibDataService) GetE2TAddresses() ([]string, error) {
187 var e2tAddresses []string = nil
189 err := w.retry("GetE2TAddresses", func() (err error) {
190 e2tAddresses, err = w.rnibReader.GetE2TAddresses()
195 w.logger.Infof("#RnibDataService.GetE2TAddresses - addresses: %s", e2tAddresses)
198 return e2tAddresses, err
201 func (w *rNibDataService) GetE2TAddressesNoLogs() ([]string, error) {
203 var e2tAddresses []string = nil
205 err := w.retry("GetE2TAddresses", func() (err error) {
206 e2tAddresses, err = w.rnibReader.GetE2TAddresses()
210 return e2tAddresses, err
213 func (w *rNibDataService) SaveE2TInstance(e2tInstance *entities.E2TInstance) error {
214 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)
216 return w.SaveE2TInstanceNoLogs(e2tInstance)
219 func (w *rNibDataService) SaveE2TInstanceNoLogs(e2tInstance *entities.E2TInstance) error {
221 err := w.retry("SaveE2TInstance", func() (err error) {
222 err = w.rnibWriter.SaveE2TInstance(e2tInstance)
229 func (w *rNibDataService) SaveE2TAddresses(addresses []string) error {
230 w.logger.Infof("#RnibDataService.SaveE2TAddresses - addresses: %s", addresses)
232 err := w.retry("SaveE2TAddresses", func() (err error) {
233 err = w.rnibWriter.SaveE2TAddresses(addresses)
240 func (w *rNibDataService) RemoveE2TInstance(e2tAddress string) error {
241 w.logger.Infof("#RnibDataService.RemoveE2TInstance - e2tAddress: %s", e2tAddress)
243 err := w.retry("RemoveE2TInstance", func() (err error) {
244 err = w.rnibWriter.RemoveE2TInstance(e2tAddress)
251 func (w *rNibDataService) PingRnib() bool {
252 err := w.retry("GetListNodebIds", func() (err error) {
253 _, err = w.rnibReader.GetListNodebIds()
257 return !isRnibConnectionError(err)
260 func (w *rNibDataService) retry(rnibFunc string, f func() error) (err error) {
261 attempts := w.maxAttempts
268 if !isRnibConnectionError(err) {
272 w.logger.Errorf("#RnibDataService.retry - after %d attempts of %s, last error: %s", attempts, rnibFunc, err)
275 time.Sleep(w.retryInterval)
277 w.logger.Infof("#RnibDataService.retry - retrying %d %s after error: %s", i, rnibFunc, err)
281 func isRnibConnectionError(err error) bool {
282 internalErr, ok := err.(*common.InternalError)
286 _, ok = internalErr.Err.(*net.OpError)