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
54 type rNibDataService struct {
56 rnibReader reader.RNibReader
57 rnibWriter rNibWriter.RNibWriter
59 retryInterval time.Duration
62 func NewRnibDataService(logger *logger.Logger, config *configuration.Configuration, rnibReader reader.RNibReader, rnibWriter rNibWriter.RNibWriter) *rNibDataService {
63 return &rNibDataService{
65 rnibReader: rnibReader,
66 rnibWriter: rnibWriter,
67 maxAttempts: config.MaxRnibConnectionAttempts,
68 retryInterval: time.Duration(config.RnibRetryIntervalMs) * time.Millisecond,
72 func (w *rNibDataService) RemoveServedNrCells(inventoryName string, servedNrCells []*entities.ServedNRCell) error {
73 err := w.retry("RemoveServedNrCells", func() (err error) {
74 err = w.rnibWriter.RemoveServedNrCells(inventoryName, servedNrCells)
81 func (w *rNibDataService) UpdateGnbCells(nodebInfo *entities.NodebInfo, servedNrCells []*entities.ServedNRCell) error {
82 w.logger.Infof("#RnibDataService.UpdateGnbCells - nodebInfo: %s, servedNrCells: %s", nodebInfo, servedNrCells)
84 err := w.retry("UpdateGnbCells", func() (err error) {
85 err = w.rnibWriter.UpdateGnbCells(nodebInfo, servedNrCells)
92 func (w *rNibDataService) UpdateNodebInfo(nodebInfo *entities.NodebInfo) error {
93 w.logger.Infof("#RnibDataService.UpdateNodebInfo - nodebInfo: %s", nodebInfo)
95 err := w.retry("UpdateNodebInfo", func() (err error) {
96 err = w.rnibWriter.UpdateNodebInfo(nodebInfo)
103 func (w *rNibDataService) SaveNodeb(nbIdentity *entities.NbIdentity, nb *entities.NodebInfo) error {
104 w.logger.Infof("#RnibDataService.SaveNodeb - nbIdentity: %s, nodebInfo: %s", nbIdentity, nb)
106 err := w.retry("SaveNodeb", func() (err error) {
107 err = w.rnibWriter.SaveNodeb(nbIdentity, nb)
114 func (w *rNibDataService) SaveRanLoadInformation(inventoryName string, ranLoadInformation *entities.RanLoadInformation) error {
115 w.logger.Infof("#RnibDataService.SaveRanLoadInformation - inventoryName: %s, ranLoadInformation: %s", inventoryName, ranLoadInformation)
117 err := w.retry("SaveRanLoadInformation", func() (err error) {
118 err = w.rnibWriter.SaveRanLoadInformation(inventoryName, ranLoadInformation)
125 func (w *rNibDataService) GetNodeb(ranName string) (*entities.NodebInfo, error) {
127 var nodeb *entities.NodebInfo = nil
129 err := w.retry("GetNodeb", func() (err error) {
130 nodeb, err = w.rnibReader.GetNodeb(ranName)
135 w.logger.Infof("#RnibDataService.GetNodeb - RAN name: %s, connection status: %s, associated E2T: %s", nodeb.RanName, nodeb.ConnectionStatus, nodeb.AssociatedE2TInstanceAddress)
141 func (w *rNibDataService) GetListNodebIds() ([]*entities.NbIdentity, error) {
142 var nodeIds []*entities.NbIdentity = nil
144 err := w.retry("GetListNodebIds", func() (err error) {
145 nodeIds, err = w.rnibReader.GetListNodebIds()
150 w.logger.Infof("#RnibDataService.GetListNodebIds - RANs count: %d", len(nodeIds))
156 func (w *rNibDataService) GetE2TInstance(address string) (*entities.E2TInstance, error) {
157 var e2tInstance *entities.E2TInstance = nil
159 err := w.retry("GetE2TInstance", func() (err error) {
160 e2tInstance, err = w.rnibReader.GetE2TInstance(address)
165 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)
168 return e2tInstance, err
171 func (w *rNibDataService) GetE2TInstanceNoLogs(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)
179 return e2tInstance, err
182 func (w *rNibDataService) GetE2TInstances(addresses []string) ([]*entities.E2TInstance, error) {
183 w.logger.Infof("#RnibDataService.GetE2TInstances - addresses: %s", addresses)
184 var e2tInstances []*entities.E2TInstance = nil
186 err := w.retry("GetE2TInstance", func() (err error) {
187 e2tInstances, err = w.rnibReader.GetE2TInstances(addresses)
191 return e2tInstances, err
194 func (w *rNibDataService) GetE2TInstancesNoLogs(addresses []string) ([]*entities.E2TInstance, error) {
196 var e2tInstances []*entities.E2TInstance = nil
198 err := w.retry("GetE2TInstance", func() (err error) {
199 e2tInstances, err = w.rnibReader.GetE2TInstances(addresses)
203 return e2tInstances, err
206 func (w *rNibDataService) GetE2TAddresses() ([]string, error) {
208 var e2tAddresses []string = nil
210 err := w.retry("GetE2TAddresses", func() (err error) {
211 e2tAddresses, err = w.rnibReader.GetE2TAddresses()
216 w.logger.Infof("#RnibDataService.GetE2TAddresses - addresses: %s", e2tAddresses)
219 return e2tAddresses, err
222 func (w *rNibDataService) GetE2TAddressesNoLogs() ([]string, error) {
224 var e2tAddresses []string = nil
226 err := w.retry("GetE2TAddresses", func() (err error) {
227 e2tAddresses, err = w.rnibReader.GetE2TAddresses()
231 return e2tAddresses, err
234 func (w *rNibDataService) SaveE2TInstance(e2tInstance *entities.E2TInstance) error {
235 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)
237 return w.SaveE2TInstanceNoLogs(e2tInstance)
240 func (w *rNibDataService) SaveE2TInstanceNoLogs(e2tInstance *entities.E2TInstance) error {
242 err := w.retry("SaveE2TInstance", func() (err error) {
243 err = w.rnibWriter.SaveE2TInstance(e2tInstance)
250 func (w *rNibDataService) SaveE2TAddresses(addresses []string) error {
251 w.logger.Infof("#RnibDataService.SaveE2TAddresses - addresses: %s", addresses)
253 err := w.retry("SaveE2TAddresses", func() (err error) {
254 err = w.rnibWriter.SaveE2TAddresses(addresses)
261 func (w *rNibDataService) RemoveE2TInstance(e2tAddress string) error {
262 w.logger.Infof("#RnibDataService.RemoveE2TInstance - e2tAddress: %s", e2tAddress)
264 err := w.retry("RemoveE2TInstance", func() (err error) {
265 err = w.rnibWriter.RemoveE2TInstance(e2tAddress)
272 func (w *rNibDataService) PingRnib() bool {
273 err := w.retry("GetListNodebIds", func() (err error) {
274 _, err = w.rnibReader.GetListNodebIds()
278 return !isRnibConnectionError(err)
281 func (w *rNibDataService) retry(rnibFunc string, f func() error) (err error) {
282 attempts := w.maxAttempts
289 if !isRnibConnectionError(err) {
293 w.logger.Errorf("#RnibDataService.retry - after %d attempts of %s, last error: %s", attempts, rnibFunc, err)
296 time.Sleep(w.retryInterval)
298 w.logger.Infof("#RnibDataService.retry - retrying %d %s after error: %s", i, rnibFunc, err)
302 func isRnibConnectionError(err error) bool {
303 internalErr, ok := err.(*common.InternalError)
307 _, ok = internalErr.Err.(*net.OpError)