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)
52 type rNibDataService struct {
54 rnibReader reader.RNibReader
55 rnibWriter rNibWriter.RNibWriter
57 retryInterval time.Duration
60 func NewRnibDataService(logger *logger.Logger, config *configuration.Configuration, rnibReader reader.RNibReader, rnibWriter rNibWriter.RNibWriter) *rNibDataService {
61 return &rNibDataService{
63 rnibReader: rnibReader,
64 rnibWriter: rnibWriter,
65 maxAttempts: config.MaxRnibConnectionAttempts,
66 retryInterval: time.Duration(config.RnibRetryIntervalMs) * time.Millisecond,
70 func (w *rNibDataService) UpdateNodebInfo(nodebInfo *entities.NodebInfo) error {
71 w.logger.Infof("#RnibDataService.UpdateNodebInfo - nodebInfo: %s", nodebInfo)
73 err := w.retry("UpdateNodebInfo", func() (err error) {
74 err = w.rnibWriter.UpdateNodebInfo(nodebInfo)
81 func (w *rNibDataService) SaveNodeb(nbIdentity *entities.NbIdentity, nb *entities.NodebInfo) error {
82 w.logger.Infof("#RnibDataService.SaveNodeb - nbIdentity: %s, nodebInfo: %s", nbIdentity, nb)
84 err := w.retry("SaveNodeb", func() (err error) {
85 err = w.rnibWriter.SaveNodeb(nbIdentity, nb)
92 func (w *rNibDataService) SaveRanLoadInformation(inventoryName string, ranLoadInformation *entities.RanLoadInformation) error {
93 w.logger.Infof("#RnibDataService.SaveRanLoadInformation - inventoryName: %s, ranLoadInformation: %s", inventoryName, ranLoadInformation)
95 err := w.retry("SaveRanLoadInformation", func() (err error) {
96 err = w.rnibWriter.SaveRanLoadInformation(inventoryName, ranLoadInformation)
103 func (w *rNibDataService) GetNodeb(ranName string) (*entities.NodebInfo, error) {
104 w.logger.Infof("#RnibDataService.GetNodeb - RAN name: %s", ranName)
106 var nodeb *entities.NodebInfo = nil
108 err := w.retry("GetNodeb", func() (err error) {
109 nodeb, err = w.rnibReader.GetNodeb(ranName)
116 func (w *rNibDataService) GetListNodebIds() ([]*entities.NbIdentity, error) {
117 w.logger.Infof("#RnibDataService.GetListNodebIds")
119 var nodeIds []*entities.NbIdentity = nil
121 err := w.retry("GetListNodebIds", func() (err error) {
122 nodeIds, err = w.rnibReader.GetListNodebIds()
129 func (w *rNibDataService) GetE2TInstance(address string) (*entities.E2TInstance, error) {
130 var e2tInstance *entities.E2TInstance = nil
132 err := w.retry("GetE2TInstance", func() (err error) {
133 e2tInstance, err = w.rnibReader.GetE2TInstance(address)
138 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)
141 return e2tInstance, err
144 func (w *rNibDataService) GetE2TInstanceNoLogs(address string) (*entities.E2TInstance, error) {
145 var e2tInstance *entities.E2TInstance = nil
147 err := w.retry("GetE2TInstance", func() (err error) {
148 e2tInstance, err = w.rnibReader.GetE2TInstance(address)
152 return e2tInstance, err
155 func (w *rNibDataService) GetE2TInstances(addresses []string) ([]*entities.E2TInstance, error) {
156 w.logger.Infof("#RnibDataService.GetE2TInstances - addresses: %s", addresses)
157 var e2tInstances []*entities.E2TInstance = nil
159 err := w.retry("GetE2TInstance", func() (err error) {
160 e2tInstances, err = w.rnibReader.GetE2TInstances(addresses)
164 return e2tInstances, err
167 func (w *rNibDataService) GetE2TInstancesNoLogs(addresses []string) ([]*entities.E2TInstance, error) {
169 var e2tInstances []*entities.E2TInstance = nil
171 err := w.retry("GetE2TInstance", func() (err error) {
172 e2tInstances, err = w.rnibReader.GetE2TInstances(addresses)
176 return e2tInstances, err
179 func (w *rNibDataService) GetE2TAddresses() ([]string, error) {
181 var e2tAddresses []string = nil
183 err := w.retry("GetE2TAddresses", func() (err error) {
184 e2tAddresses, err = w.rnibReader.GetE2TAddresses()
189 w.logger.Infof("#RnibDataService.GetE2TAddresses - addresses: %s", e2tAddresses)
192 return e2tAddresses, err
195 func (w *rNibDataService) GetE2TAddressesNoLogs() ([]string, error) {
197 var e2tAddresses []string = nil
199 err := w.retry("GetE2TAddresses", func() (err error) {
200 e2tAddresses, err = w.rnibReader.GetE2TAddresses()
204 return e2tAddresses, err
207 func (w *rNibDataService) SaveE2TInstance(e2tInstance *entities.E2TInstance) error {
208 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)
210 return w.SaveE2TInstanceNoLogs(e2tInstance)
213 func (w *rNibDataService) SaveE2TInstanceNoLogs(e2tInstance *entities.E2TInstance) error {
215 err := w.retry("SaveE2TInstance", func() (err error) {
216 err = w.rnibWriter.SaveE2TInstance(e2tInstance)
223 func (w *rNibDataService) SaveE2TAddresses(addresses []string) error {
224 w.logger.Infof("#RnibDataService.SaveE2TAddresses - addresses: %s", addresses)
226 err := w.retry("SaveE2TAddresses", func() (err error) {
227 err = w.rnibWriter.SaveE2TAddresses(addresses)
234 func (w *rNibDataService) PingRnib() bool {
235 err := w.retry("GetListNodebIds", func() (err error) {
236 _, err = w.rnibReader.GetListNodebIds()
240 return !isRnibConnectionError(err)
243 func (w *rNibDataService) retry(rnibFunc string, f func() error) (err error) {
244 attempts := w.maxAttempts
251 if !isRnibConnectionError(err) {
255 w.logger.Errorf("#RnibDataService.retry - after %d attempts of %s, last error: %s", attempts, rnibFunc, err)
258 time.Sleep(w.retryInterval)
260 w.logger.Infof("#RnibDataService.retry - retrying %d %s after error: %s", i, rnibFunc, err)
264 func isRnibConnectionError(err error) bool {
265 internalErr, ok := err.(*common.InternalError)
269 _, ok = internalErr.Err.(*net.OpError)