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).
26 "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/common"
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"
33 type RNibDataService interface {
34 SaveNodeb(nbIdentity *entities.NbIdentity, nb *entities.NodebInfo) error
35 UpdateNodebInfo(nodebInfo *entities.NodebInfo) error
36 SaveRanLoadInformation(inventoryName string, ranLoadInformation *entities.RanLoadInformation) error
37 GetNodeb(ranName string) (*entities.NodebInfo, error)
38 GetListNodebIds() ([]*entities.NbIdentity, error)
40 GetE2TInstance(address string) (*entities.E2TInstance, error)
41 GetE2TInstances(addresses []string) ([]*entities.E2TInstance, error)
42 GetE2TAddresses() ([]string, error)
43 SaveE2TInstance(e2tInstance *entities.E2TInstance) error
44 SaveE2TAddresses(addresses []string) error
45 GetE2TInstanceNoLogs(address string) (*entities.E2TInstance, error)
46 GetE2TInstancesNoLogs(addresses []string) ([]*entities.E2TInstance, error)
47 SaveE2TInstanceNoLogs(e2tInstance *entities.E2TInstance) error
48 GetE2TAddressesNoLogs() ([]string, error)
49 RemoveE2TInstance(e2tAddress string) error
50 UpdateGnbCells(nodebInfo *entities.NodebInfo, servedNrCells []*entities.ServedNRCell) error
51 RemoveServedNrCells(inventoryName string, servedNrCells []*entities.ServedNRCell) error
52 GetGeneralConfiguration() (*entities.GeneralConfiguration, error)
53 UpdateNodebInfoOnConnectionStatusInversion(nodebInfo *entities.NodebInfo, event string) error
54 SaveGeneralConfiguration(config *entities.GeneralConfiguration) error
55 RemoveEnb(nodebInfo *entities.NodebInfo) error
56 RemoveServedCells(inventoryName string, servedCells []*entities.ServedCellInfo) error
57 UpdateEnb(nodebInfo *entities.NodebInfo, servedCells []*entities.ServedCellInfo) error
60 type rNibDataService struct {
62 rnibReader reader.RNibReader
63 rnibWriter rNibWriter.RNibWriter
65 retryInterval time.Duration
68 func NewRnibDataService(logger *logger.Logger, config *configuration.Configuration, rnibReader reader.RNibReader, rnibWriter rNibWriter.RNibWriter) *rNibDataService {
69 return &rNibDataService{
71 rnibReader: rnibReader,
72 rnibWriter: rnibWriter,
73 maxAttempts: config.MaxRnibConnectionAttempts,
74 retryInterval: time.Duration(config.RnibRetryIntervalMs) * time.Millisecond,
78 func (w *rNibDataService) RemoveServedNrCells(inventoryName string, servedNrCells []*entities.ServedNRCell) error {
79 err := w.retry("RemoveServedNrCells", func() (err error) {
80 err = w.rnibWriter.RemoveServedNrCells(inventoryName, servedNrCells)
87 func (w *rNibDataService) RemoveEnb(nodebInfo *entities.NodebInfo) error {
88 err := w.retry("RemoveEnb", func() (err error) {
89 err = w.rnibWriter.RemoveEnb(nodebInfo)
96 func (w *rNibDataService) UpdateGnbCells(nodebInfo *entities.NodebInfo, servedNrCells []*entities.ServedNRCell) error {
97 w.logger.Infof("#RnibDataService.UpdateGnbCells - nodebInfo: %s, servedNrCells: %s", nodebInfo, servedNrCells)
99 err := w.retry("UpdateGnbCells", func() (err error) {
100 err = w.rnibWriter.UpdateGnbCells(nodebInfo, servedNrCells)
107 func (w *rNibDataService) UpdateNodebInfo(nodebInfo *entities.NodebInfo) error {
108 w.logger.Infof("#RnibDataService.UpdateNodebInfo - nodebInfo: %s", nodebInfo)
110 err := w.retry("UpdateNodebInfo", func() (err error) {
111 err = w.rnibWriter.UpdateNodebInfo(nodebInfo)
118 func (w *rNibDataService) SaveNodeb(nbIdentity *entities.NbIdentity, nb *entities.NodebInfo) error {
119 w.logger.Infof("#RnibDataService.SaveNodeb - nbIdentity: %s, nodebInfo: %s", nbIdentity, nb)
121 err := w.retry("SaveNodeb", func() (err error) {
122 err = w.rnibWriter.SaveNodeb(nbIdentity, nb)
129 func (w *rNibDataService) SaveRanLoadInformation(inventoryName string, ranLoadInformation *entities.RanLoadInformation) error {
130 w.logger.Infof("#RnibDataService.SaveRanLoadInformation - inventoryName: %s, ranLoadInformation: %s", inventoryName, ranLoadInformation)
132 err := w.retry("SaveRanLoadInformation", func() (err error) {
133 err = w.rnibWriter.SaveRanLoadInformation(inventoryName, ranLoadInformation)
140 func (w *rNibDataService) GetNodeb(ranName string) (*entities.NodebInfo, error) {
142 var nodeb *entities.NodebInfo = nil
144 err := w.retry("GetNodeb", func() (err error) {
145 nodeb, err = w.rnibReader.GetNodeb(ranName)
150 w.logger.Infof("#RnibDataService.GetNodeb - RAN name: %s, connection status: %s, associated E2T: %s", nodeb.RanName, nodeb.ConnectionStatus, nodeb.AssociatedE2TInstanceAddress)
156 func (w *rNibDataService) GetListNodebIds() ([]*entities.NbIdentity, error) {
157 var nodeIds []*entities.NbIdentity = nil
159 err := w.retry("GetListNodebIds", func() (err error) {
160 nodeIds, err = w.rnibReader.GetListNodebIds()
165 w.logger.Infof("#RnibDataService.GetListNodebIds - RANs count: %d", len(nodeIds))
171 func (w *rNibDataService) GetE2TInstance(address string) (*entities.E2TInstance, error) {
172 var e2tInstance *entities.E2TInstance = nil
174 err := w.retry("GetE2TInstance", func() (err error) {
175 e2tInstance, err = w.rnibReader.GetE2TInstance(address)
180 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)
183 return e2tInstance, err
186 func (w *rNibDataService) GetE2TInstanceNoLogs(address string) (*entities.E2TInstance, error) {
187 var e2tInstance *entities.E2TInstance = nil
189 err := w.retry("GetE2TInstance", func() (err error) {
190 e2tInstance, err = w.rnibReader.GetE2TInstance(address)
194 return e2tInstance, err
197 func (w *rNibDataService) GetE2TInstances(addresses []string) ([]*entities.E2TInstance, error) {
198 w.logger.Infof("#RnibDataService.GetE2TInstances - addresses: %s", addresses)
199 var e2tInstances []*entities.E2TInstance = nil
201 err := w.retry("GetE2TInstance", func() (err error) {
202 e2tInstances, err = w.rnibReader.GetE2TInstances(addresses)
206 return e2tInstances, err
209 func (w *rNibDataService) GetE2TInstancesNoLogs(addresses []string) ([]*entities.E2TInstance, error) {
211 var e2tInstances []*entities.E2TInstance = nil
213 err := w.retry("GetE2TInstance", func() (err error) {
214 e2tInstances, err = w.rnibReader.GetE2TInstances(addresses)
218 return e2tInstances, err
221 func (w *rNibDataService) GetE2TAddresses() ([]string, error) {
223 var e2tAddresses []string = nil
225 err := w.retry("GetE2TAddresses", func() (err error) {
226 e2tAddresses, err = w.rnibReader.GetE2TAddresses()
231 w.logger.Infof("#RnibDataService.GetE2TAddresses - addresses: %s", e2tAddresses)
234 return e2tAddresses, err
237 func (w *rNibDataService) GetE2TAddressesNoLogs() ([]string, error) {
239 var e2tAddresses []string = nil
241 err := w.retry("GetE2TAddresses", func() (err error) {
242 e2tAddresses, err = w.rnibReader.GetE2TAddresses()
246 return e2tAddresses, err
249 func (w *rNibDataService) SaveE2TInstance(e2tInstance *entities.E2TInstance) error {
250 w.logger.Infof("#RnibDataService.SaveE2TInstance - E2T instance address: %s, podName: %s, state: %s, associated RANs count: %d, keep Alive ts: %d", e2tInstance.Address, e2tInstance.PodName, e2tInstance.State, len(e2tInstance.AssociatedRanList), e2tInstance.KeepAliveTimestamp)
252 return w.SaveE2TInstanceNoLogs(e2tInstance)
255 func (w *rNibDataService) SaveE2TInstanceNoLogs(e2tInstance *entities.E2TInstance) error {
257 err := w.retry("SaveE2TInstance", func() (err error) {
258 err = w.rnibWriter.SaveE2TInstance(e2tInstance)
265 func (w *rNibDataService) SaveE2TAddresses(addresses []string) error {
266 w.logger.Infof("#RnibDataService.SaveE2TAddresses - addresses: %s", addresses)
268 err := w.retry("SaveE2TAddresses", func() (err error) {
269 err = w.rnibWriter.SaveE2TAddresses(addresses)
276 func (w *rNibDataService) RemoveE2TInstance(e2tAddress string) error {
277 w.logger.Infof("#RnibDataService.RemoveE2TInstance - e2tAddress: %s", e2tAddress)
279 err := w.retry("RemoveE2TInstance", func() (err error) {
280 err = w.rnibWriter.RemoveE2TInstance(e2tAddress)
287 func (w *rNibDataService) GetGeneralConfiguration() (*entities.GeneralConfiguration, error) {
288 var generalConfiguration *entities.GeneralConfiguration = nil
290 err := w.retry("GetGeneralConfiguration", func() (err error) {
291 generalConfiguration, err = w.rnibReader.GetGeneralConfiguration()
295 return generalConfiguration, err
298 func (w *rNibDataService) SaveGeneralConfiguration(config *entities.GeneralConfiguration) error {
299 err := w.retry("SaveGeneralConfiguration", func() (err error) {
300 err = w.rnibWriter.SaveGeneralConfiguration(config)
307 func (w *rNibDataService) RemoveServedCells(inventoryName string, servedCells []*entities.ServedCellInfo) error {
308 err := w.retry("RemoveServedCells", func() (err error) {
309 err = w.rnibWriter.RemoveServedCells(inventoryName, servedCells)
316 func (w *rNibDataService) UpdateEnb(nodebInfo *entities.NodebInfo, servedCells []*entities.ServedCellInfo) error {
317 err := w.retry("UpdateEnb", func() (err error) {
318 err = w.rnibWriter.UpdateEnb(nodebInfo, servedCells)
325 func (w *rNibDataService) PingRnib() bool {
326 err := w.retry("GetListNodebIds", func() (err error) {
327 _, err = w.rnibReader.GetListNodebIds()
331 return !isRnibConnectionError(err)
334 func (w *rNibDataService) UpdateNodebInfoOnConnectionStatusInversion(nodebInfo *entities.NodebInfo, event string) error {
335 w.logger.Infof("#RnibDataService.UpdateNodebInfoOnConnectionStatusInversion - event: %s, nodebInfo: %s", event, nodebInfo)
337 err := w.retry("UpdateNodebInfoOnConnectionStatusInversion", func() (err error) {
338 err = w.rnibWriter.UpdateNodebInfoOnConnectionStatusInversion(nodebInfo, event)
345 func (w *rNibDataService) retry(rnibFunc string, f func() error) (err error) {
346 attempts := w.maxAttempts
353 if !isRnibConnectionError(err) {
357 w.logger.Errorf("#RnibDataService.retry - after %d attempts of %s, last error: %s", attempts, rnibFunc, err)
360 time.Sleep(w.retryInterval)
362 w.logger.Infof("#RnibDataService.retry - retrying %d %s after error: %s", i, rnibFunc, err)
366 func isRnibConnectionError(err error) bool {
367 internalErr, ok := err.(*common.InternalError)
371 _, ok = internalErr.Err.(*net.OpError)