First commit
This commit is contained in:
Leonardo Bonati
310
setup/e2mgr/E2Manager/services/rnib_data_service.go
Normal file
310
setup/e2mgr/E2Manager/services/rnib_data_service.go
Normal file
@@ -0,0 +1,310 @@
|
||||
//
|
||||
// Copyright 2019 AT&T Intellectual Property
|
||||
// Copyright 2019 Nokia
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
// This source code is part of the near-RT RIC (RAN Intelligent Controller)
|
||||
// platform project (RICP).
|
||||
|
||||
package services
|
||||
|
||||
import (
|
||||
"e2mgr/configuration"
|
||||
"e2mgr/logger"
|
||||
"e2mgr/rNibWriter"
|
||||
"gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/common"
|
||||
"gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
|
||||
"gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/reader"
|
||||
"net"
|
||||
"time"
|
||||
)
|
||||
|
||||
type RNibDataService interface {
|
||||
SaveNodeb(nbIdentity *entities.NbIdentity, nb *entities.NodebInfo) error
|
||||
UpdateNodebInfo(nodebInfo *entities.NodebInfo) error
|
||||
SaveRanLoadInformation(inventoryName string, ranLoadInformation *entities.RanLoadInformation) error
|
||||
GetNodeb(ranName string) (*entities.NodebInfo, error)
|
||||
GetListNodebIds() ([]*entities.NbIdentity, error)
|
||||
PingRnib() bool
|
||||
GetE2TInstance(address string) (*entities.E2TInstance, error)
|
||||
GetE2TInstances(addresses []string) ([]*entities.E2TInstance, error)
|
||||
GetE2TAddresses() ([]string, error)
|
||||
SaveE2TInstance(e2tInstance *entities.E2TInstance) error
|
||||
SaveE2TAddresses(addresses []string) error
|
||||
GetE2TInstanceNoLogs(address string) (*entities.E2TInstance, error)
|
||||
GetE2TInstancesNoLogs(addresses []string) ([]*entities.E2TInstance, error)
|
||||
SaveE2TInstanceNoLogs(e2tInstance *entities.E2TInstance) error
|
||||
GetE2TAddressesNoLogs() ([]string, error)
|
||||
RemoveE2TInstance(e2tAddress string) error
|
||||
UpdateGnbCells(nodebInfo *entities.NodebInfo, servedNrCells []*entities.ServedNRCell) error
|
||||
RemoveServedNrCells(inventoryName string, servedNrCells []*entities.ServedNRCell) error
|
||||
}
|
||||
|
||||
type rNibDataService struct {
|
||||
logger *logger.Logger
|
||||
rnibReader reader.RNibReader
|
||||
rnibWriter rNibWriter.RNibWriter
|
||||
maxAttempts int
|
||||
retryInterval time.Duration
|
||||
}
|
||||
|
||||
func NewRnibDataService(logger *logger.Logger, config *configuration.Configuration, rnibReader reader.RNibReader, rnibWriter rNibWriter.RNibWriter) *rNibDataService {
|
||||
return &rNibDataService{
|
||||
logger: logger,
|
||||
rnibReader: rnibReader,
|
||||
rnibWriter: rnibWriter,
|
||||
maxAttempts: config.MaxRnibConnectionAttempts,
|
||||
retryInterval: time.Duration(config.RnibRetryIntervalMs) * time.Millisecond,
|
||||
}
|
||||
}
|
||||
|
||||
func (w *rNibDataService) RemoveServedNrCells(inventoryName string, servedNrCells []*entities.ServedNRCell) error {
|
||||
err := w.retry("RemoveServedNrCells", func() (err error) {
|
||||
err = w.rnibWriter.RemoveServedNrCells(inventoryName, servedNrCells)
|
||||
return
|
||||
})
|
||||
|
||||
return err
|
||||
}
|
||||
|
||||
func (w *rNibDataService) UpdateGnbCells(nodebInfo *entities.NodebInfo, servedNrCells []*entities.ServedNRCell) error {
|
||||
w.logger.Infof("#RnibDataService.UpdateGnbCells - nodebInfo: %s, servedNrCells: %s", nodebInfo, servedNrCells)
|
||||
|
||||
err := w.retry("UpdateGnbCells", func() (err error) {
|
||||
err = w.rnibWriter.UpdateGnbCells(nodebInfo, servedNrCells)
|
||||
return
|
||||
})
|
||||
|
||||
return err
|
||||
}
|
||||
|
||||
func (w *rNibDataService) UpdateNodebInfo(nodebInfo *entities.NodebInfo) error {
|
||||
w.logger.Infof("#RnibDataService.UpdateNodebInfo - nodebInfo: %s", nodebInfo)
|
||||
|
||||
err := w.retry("UpdateNodebInfo", func() (err error) {
|
||||
err = w.rnibWriter.UpdateNodebInfo(nodebInfo)
|
||||
return
|
||||
})
|
||||
|
||||
return err
|
||||
}
|
||||
|
||||
func (w *rNibDataService) SaveNodeb(nbIdentity *entities.NbIdentity, nb *entities.NodebInfo) error {
|
||||
w.logger.Infof("#RnibDataService.SaveNodeb - nbIdentity: %s, nodebInfo: %s", nbIdentity, nb)
|
||||
|
||||
err := w.retry("SaveNodeb", func() (err error) {
|
||||
err = w.rnibWriter.SaveNodeb(nbIdentity, nb)
|
||||
return
|
||||
})
|
||||
|
||||
return err
|
||||
}
|
||||
|
||||
func (w *rNibDataService) SaveRanLoadInformation(inventoryName string, ranLoadInformation *entities.RanLoadInformation) error {
|
||||
w.logger.Infof("#RnibDataService.SaveRanLoadInformation - inventoryName: %s, ranLoadInformation: %s", inventoryName, ranLoadInformation)
|
||||
|
||||
err := w.retry("SaveRanLoadInformation", func() (err error) {
|
||||
err = w.rnibWriter.SaveRanLoadInformation(inventoryName, ranLoadInformation)
|
||||
return
|
||||
})
|
||||
|
||||
return err
|
||||
}
|
||||
|
||||
func (w *rNibDataService) GetNodeb(ranName string) (*entities.NodebInfo, error) {
|
||||
|
||||
var nodeb *entities.NodebInfo = nil
|
||||
|
||||
err := w.retry("GetNodeb", func() (err error) {
|
||||
nodeb, err = w.rnibReader.GetNodeb(ranName)
|
||||
return
|
||||
})
|
||||
|
||||
if err == nil {
|
||||
w.logger.Infof("#RnibDataService.GetNodeb - RAN name: %s, connection status: %s, associated E2T: %s", nodeb.RanName, nodeb.ConnectionStatus, nodeb.AssociatedE2TInstanceAddress)
|
||||
}
|
||||
|
||||
return nodeb, err
|
||||
}
|
||||
|
||||
func (w *rNibDataService) GetListNodebIds() ([]*entities.NbIdentity, error) {
|
||||
var nodeIds []*entities.NbIdentity = nil
|
||||
|
||||
err := w.retry("GetListNodebIds", func() (err error) {
|
||||
nodeIds, err = w.rnibReader.GetListNodebIds()
|
||||
return
|
||||
})
|
||||
|
||||
if err == nil {
|
||||
w.logger.Infof("#RnibDataService.GetListNodebIds - RANs count: %d", len(nodeIds))
|
||||
}
|
||||
|
||||
return nodeIds, err
|
||||
}
|
||||
|
||||
func (w *rNibDataService) GetE2TInstance(address string) (*entities.E2TInstance, error) {
|
||||
var e2tInstance *entities.E2TInstance = nil
|
||||
|
||||
err := w.retry("GetE2TInstance", func() (err error) {
|
||||
e2tInstance, err = w.rnibReader.GetE2TInstance(address)
|
||||
return
|
||||
})
|
||||
|
||||
if err == nil {
|
||||
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)
|
||||
}
|
||||
|
||||
return e2tInstance, err
|
||||
}
|
||||
|
||||
func (w *rNibDataService) GetE2TInstanceNoLogs(address string) (*entities.E2TInstance, error) {
|
||||
var e2tInstance *entities.E2TInstance = nil
|
||||
|
||||
err := w.retry("GetE2TInstance", func() (err error) {
|
||||
e2tInstance, err = w.rnibReader.GetE2TInstance(address)
|
||||
return
|
||||
})
|
||||
|
||||
return e2tInstance, err
|
||||
}
|
||||
|
||||
func (w *rNibDataService) GetE2TInstances(addresses []string) ([]*entities.E2TInstance, error) {
|
||||
w.logger.Infof("#RnibDataService.GetE2TInstances - addresses: %s", addresses)
|
||||
var e2tInstances []*entities.E2TInstance = nil
|
||||
|
||||
err := w.retry("GetE2TInstance", func() (err error) {
|
||||
e2tInstances, err = w.rnibReader.GetE2TInstances(addresses)
|
||||
return
|
||||
})
|
||||
|
||||
return e2tInstances, err
|
||||
}
|
||||
|
||||
func (w *rNibDataService) GetE2TInstancesNoLogs(addresses []string) ([]*entities.E2TInstance, error) {
|
||||
|
||||
var e2tInstances []*entities.E2TInstance = nil
|
||||
|
||||
err := w.retry("GetE2TInstance", func() (err error) {
|
||||
e2tInstances, err = w.rnibReader.GetE2TInstances(addresses)
|
||||
return
|
||||
})
|
||||
|
||||
return e2tInstances, err
|
||||
}
|
||||
|
||||
func (w *rNibDataService) GetE2TAddresses() ([]string, error) {
|
||||
|
||||
var e2tAddresses []string = nil
|
||||
|
||||
err := w.retry("GetE2TAddresses", func() (err error) {
|
||||
e2tAddresses, err = w.rnibReader.GetE2TAddresses()
|
||||
return
|
||||
})
|
||||
|
||||
if err == nil {
|
||||
w.logger.Infof("#RnibDataService.GetE2TAddresses - addresses: %s", e2tAddresses)
|
||||
}
|
||||
|
||||
return e2tAddresses, err
|
||||
}
|
||||
|
||||
func (w *rNibDataService) GetE2TAddressesNoLogs() ([]string, error) {
|
||||
|
||||
var e2tAddresses []string = nil
|
||||
|
||||
err := w.retry("GetE2TAddresses", func() (err error) {
|
||||
e2tAddresses, err = w.rnibReader.GetE2TAddresses()
|
||||
return
|
||||
})
|
||||
|
||||
return e2tAddresses, err
|
||||
}
|
||||
|
||||
func (w *rNibDataService) SaveE2TInstance(e2tInstance *entities.E2TInstance) error {
|
||||
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)
|
||||
|
||||
return w.SaveE2TInstanceNoLogs(e2tInstance)
|
||||
}
|
||||
|
||||
func (w *rNibDataService) SaveE2TInstanceNoLogs(e2tInstance *entities.E2TInstance) error {
|
||||
|
||||
err := w.retry("SaveE2TInstance", func() (err error) {
|
||||
err = w.rnibWriter.SaveE2TInstance(e2tInstance)
|
||||
return
|
||||
})
|
||||
|
||||
return err
|
||||
}
|
||||
|
||||
func (w *rNibDataService) SaveE2TAddresses(addresses []string) error {
|
||||
w.logger.Infof("#RnibDataService.SaveE2TAddresses - addresses: %s", addresses)
|
||||
|
||||
err := w.retry("SaveE2TAddresses", func() (err error) {
|
||||
err = w.rnibWriter.SaveE2TAddresses(addresses)
|
||||
return
|
||||
})
|
||||
|
||||
return err
|
||||
}
|
||||
|
||||
func (w *rNibDataService) RemoveE2TInstance(e2tAddress string) error {
|
||||
w.logger.Infof("#RnibDataService.RemoveE2TInstance - e2tAddress: %s", e2tAddress)
|
||||
|
||||
err := w.retry("RemoveE2TInstance", func() (err error) {
|
||||
err = w.rnibWriter.RemoveE2TInstance(e2tAddress)
|
||||
return
|
||||
})
|
||||
|
||||
return err
|
||||
}
|
||||
|
||||
func (w *rNibDataService) PingRnib() bool {
|
||||
err := w.retry("GetListNodebIds", func() (err error) {
|
||||
_, err = w.rnibReader.GetListNodebIds()
|
||||
return
|
||||
})
|
||||
|
||||
return !isRnibConnectionError(err)
|
||||
}
|
||||
|
||||
func (w *rNibDataService) retry(rnibFunc string, f func() error) (err error) {
|
||||
attempts := w.maxAttempts
|
||||
|
||||
for i := 1; ; i++ {
|
||||
err = f()
|
||||
if err == nil {
|
||||
return
|
||||
}
|
||||
if !isRnibConnectionError(err) {
|
||||
return err
|
||||
}
|
||||
if i >= attempts {
|
||||
w.logger.Errorf("#RnibDataService.retry - after %d attempts of %s, last error: %s", attempts, rnibFunc, err)
|
||||
return err
|
||||
}
|
||||
time.Sleep(w.retryInterval)
|
||||
|
||||
w.logger.Infof("#RnibDataService.retry - retrying %d %s after error: %s", i, rnibFunc, err)
|
||||
}
|
||||
}
|
||||
|
||||
func isRnibConnectionError(err error) bool {
|
||||
internalErr, ok := err.(*common.InternalError)
|
||||
if !ok {
|
||||
return false
|
||||
}
|
||||
_, ok = internalErr.Err.(*net.OpError)
|
||||
|
||||
return ok
|
||||
}
|
||||
Reference in New Issue
Block a user