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
43 GetE2TInstanceNoLogs(address string) (*entities.E2TInstance, error)
44 GetE2TInstancesNoLogs(addresses []string) ([]*entities.E2TInstance, error)
45 SaveE2TInstanceNoLogs(e2tInstance *entities.E2TInstance) error
46 GetE2TAddressesNoLogs() ([]string, error)
49 type rNibDataService struct {
51 rnibReader reader.RNibReader
52 rnibWriter rNibWriter.RNibWriter
54 retryInterval time.Duration
57 func NewRnibDataService(logger *logger.Logger, config *configuration.Configuration, rnibReader reader.RNibReader, rnibWriter rNibWriter.RNibWriter) *rNibDataService {
58 return &rNibDataService{
60 rnibReader: rnibReader,
61 rnibWriter: rnibWriter,
62 maxAttempts: config.MaxRnibConnectionAttempts,
63 retryInterval: time.Duration(config.RnibRetryIntervalMs) * time.Millisecond,
67 func (w *rNibDataService) UpdateNodebInfo(nodebInfo *entities.NodebInfo) error {
68 w.logger.Infof("#RnibDataService.UpdateNodebInfo - nodebInfo: %s", nodebInfo)
70 err := w.retry("UpdateNodebInfo", func() (err error) {
71 err = w.rnibWriter.UpdateNodebInfo(nodebInfo)
78 func (w *rNibDataService) SaveNodeb(nbIdentity *entities.NbIdentity, nb *entities.NodebInfo) error {
79 w.logger.Infof("#RnibDataService.SaveNodeb - nbIdentity: %s, nodebInfo: %s", nbIdentity, nb)
81 err := w.retry("SaveNodeb", func() (err error) {
82 err = w.rnibWriter.SaveNodeb(nbIdentity, nb)
89 func (w *rNibDataService) SaveRanLoadInformation(inventoryName string, ranLoadInformation *entities.RanLoadInformation) error {
90 w.logger.Infof("#RnibDataService.SaveRanLoadInformation - inventoryName: %s, ranLoadInformation: %s", inventoryName, ranLoadInformation)
92 err := w.retry("SaveRanLoadInformation", func() (err error) {
93 err = w.rnibWriter.SaveRanLoadInformation(inventoryName, ranLoadInformation)
100 func (w *rNibDataService) GetNodeb(ranName string) (*entities.NodebInfo, error) {
101 w.logger.Infof("#RnibDataService.GetNodeb - RAN name: %s", ranName)
103 var nodeb *entities.NodebInfo = nil
105 err := w.retry("GetNodeb", func() (err error) {
106 nodeb, err = w.rnibReader.GetNodeb(ranName)
113 func (w *rNibDataService) GetListNodebIds() ([]*entities.NbIdentity, error) {
114 w.logger.Infof("#RnibDataService.GetListNodebIds")
116 var nodeIds []*entities.NbIdentity = nil
118 err := w.retry("GetListNodebIds", func() (err error) {
119 nodeIds, err = w.rnibReader.GetListNodebIds()
126 func (w *rNibDataService) GetE2TInstance(address string) (*entities.E2TInstance, error) {
127 var e2tInstance *entities.E2TInstance = nil
129 err := w.retry("GetE2TInstance", func() (err error) {
130 e2tInstance, err = w.rnibReader.GetE2TInstance(address)
135 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)
138 return e2tInstance, err
141 func (w *rNibDataService) GetE2TInstanceNoLogs(address string) (*entities.E2TInstance, error) {
142 var e2tInstance *entities.E2TInstance = nil
144 err := w.retry("GetE2TInstance", func() (err error) {
145 e2tInstance, err = w.rnibReader.GetE2TInstance(address)
149 return e2tInstance, err
152 func (w *rNibDataService) GetE2TInstances(addresses []string) ([]*entities.E2TInstance, error) {
153 w.logger.Infof("#RnibDataService.GetE2TInstances - addresses: %s", addresses)
154 var e2tInstances []*entities.E2TInstance = nil
156 err := w.retry("GetE2TInstance", func() (err error) {
157 e2tInstances, err = w.rnibReader.GetE2TInstances(addresses)
161 return e2tInstances, err
164 func (w *rNibDataService) GetE2TInstancesNoLogs(addresses []string) ([]*entities.E2TInstance, error) {
166 var e2tInstances []*entities.E2TInstance = nil
168 err := w.retry("GetE2TInstance", func() (err error) {
169 e2tInstances, err = w.rnibReader.GetE2TInstances(addresses)
173 return e2tInstances, err
176 func (w *rNibDataService) GetE2TAddresses() ([]string, error) {
178 var e2tAddresses []string = nil
180 err := w.retry("GetE2TAddresses", func() (err error) {
181 e2tAddresses, err = w.rnibReader.GetE2TAddresses()
186 w.logger.Infof("#RnibDataService.GetE2TAddresses - addresses: %s", e2tAddresses)
189 return e2tAddresses, err
192 func (w *rNibDataService) GetE2TAddressesNoLogs() ([]string, error) {
194 var e2tAddresses []string = nil
196 err := w.retry("GetE2TAddresses", func() (err error) {
197 e2tAddresses, err = w.rnibReader.GetE2TAddresses()
201 return e2tAddresses, err
204 func (w *rNibDataService) SaveE2TInstance(e2tInstance *entities.E2TInstance) error {
205 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)
207 return w.SaveE2TInstanceNoLogs(e2tInstance)
210 func (w *rNibDataService) SaveE2TInstanceNoLogs(e2tInstance *entities.E2TInstance) error {
212 err := w.retry("SaveE2TInstance", func() (err error) {
213 err = w.rnibWriter.SaveE2TInstance(e2tInstance)
220 func (w *rNibDataService) SaveE2TAddresses(addresses []string) error {
221 w.logger.Infof("#RnibDataService.SaveE2TAddresses - addresses: %s", addresses)
223 err := w.retry("SaveE2TAddresses", func() (err error) {
224 err = w.rnibWriter.SaveE2TAddresses(addresses)
231 func (w *rNibDataService) PingRnib() bool {
232 err := w.retry("GetListNodebIds", func() (err error) {
233 _, err = w.rnibReader.GetListNodebIds()
237 return !isRnibConnectionError(err)
240 func (w *rNibDataService) retry(rnibFunc string, f func() error) (err error) {
241 attempts := w.maxAttempts
248 if !isRnibConnectionError(err) {
252 w.logger.Errorf("#RnibDataService.retry - after %d attempts of %s, last error: %s", attempts, rnibFunc, err)
255 time.Sleep(w.retryInterval)
257 w.logger.Infof("#RnibDataService.retry - retrying %d %s after error: %s", i, rnibFunc, err)
261 func isRnibConnectionError(err error) bool {
262 internalErr, ok := err.(*common.InternalError)
266 _, ok = internalErr.Err.(*net.OpError)