// 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 httpmsghandlers
import "C"
import (
+ "e2mgr/clients"
"e2mgr/configuration"
"e2mgr/e2managererrors"
"e2mgr/logger"
+ "e2mgr/managers"
"e2mgr/models"
- "e2mgr/rNibWriter"
"e2mgr/rmrCgo"
"e2mgr/services"
- "e2mgr/stateMachine"
+ "e2mgr/services/rmrsender"
+ "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"
"time"
)
type DeleteAllRequestHandler struct {
- readerProvider func() reader.RNibReader
- writerProvider func() rNibWriter.RNibWriter
- rmrService *services.RmrService
- config *configuration.Configuration
+ rnibDataService services.RNibDataService
+ rmrSender *rmrsender.RmrSender
+ config *configuration.Configuration
+ logger *logger.Logger
+ e2tInstancesManager managers.IE2TInstancesManager
+ rmClient clients.IRoutingManagerClient
}
-func NewDeleteAllRequestHandler(rmrService *services.RmrService, config *configuration.Configuration, writerProvider func() rNibWriter.RNibWriter, readerProvider func() reader.RNibReader) *DeleteAllRequestHandler {
- return &DeleteAllRequestHandler {
- readerProvider: readerProvider,
- writerProvider: writerProvider,
- rmrService: rmrService,
- config: config,
+const PartialSuccessDueToRmErrorMessage = "Operation succeeded except for routing manager outbound call"
+
+func NewDeleteAllRequestHandler(logger *logger.Logger, rmrSender *rmrsender.RmrSender, config *configuration.Configuration, rnibDataService services.RNibDataService, e2tInstancesManager managers.IE2TInstancesManager, rmClient clients.IRoutingManagerClient) *DeleteAllRequestHandler {
+ return &DeleteAllRequestHandler{
+ logger: logger,
+ rnibDataService: rnibDataService,
+ rmrSender: rmrSender,
+ config: config,
+ e2tInstancesManager: e2tInstancesManager,
+ rmClient: rmClient,
}
}
-func (handler *DeleteAllRequestHandler) Handle(logger *logger.Logger, request models.Request) error {
+func (h *DeleteAllRequestHandler) Handle(request models.Request) (models.IResponse, error) {
+ h.logger.Infof("#DeleteAllRequestHandler.Handle - handling shutdown request")
+
+ e2tAddresses, err := h.e2tInstancesManager.GetE2TAddresses()
- err, continueFlow := handler.updateNodebStates(logger, false)
if err != nil {
- return err
+ return nil, err
}
- if continueFlow == false{
- return nil
+ if len(e2tAddresses) == 0 {
+ err, _ = h.updateNodebs(h.updateNodebInfoForceShutdown)
+ return nil, err
}
- //TODO change to rmr_request
- response := models.NotificationResponse{MgsType: rmrCgo.RIC_SCTP_CLEAR_ALL}
- if err:= handler.rmrService.SendRmrMessage(&response); err != nil {
- logger.Errorf("#DeleteAllRequestHandler.Handle - failed to send sctp clear all message to RMR: %s", err)
- return e2managererrors.NewRmrError()
+ dissocErr := h.rmClient.DissociateAllRans(e2tAddresses)
+
+ if dissocErr != nil {
+ h.logger.Warnf("#DeleteAllRequestHandler.Handle - routing manager failure. continue flow.")
}
- time.Sleep(time.Duration(handler.config.BigRedButtonTimeoutSec) * time.Second)
- logger.Infof("#DeleteAllRequestHandler.Handle - timer expired")
+ err, updatedAtLeastOnce := h.updateNodebs(h.updateNodebInfoShuttingDown)
- err, _ = handler.updateNodebStates(logger, true)
if err != nil {
- return err
+ return nil, err
}
- return nil
-}
+ err = h.e2tInstancesManager.ClearRansOfAllE2TInstances()
-func (handler *DeleteAllRequestHandler) updateNodebStates(logger *logger.Logger, timeoutExpired bool) (error, bool){
- nbIdentityList, err := handler.readerProvider().GetListNodebIds()
+ if err != nil {
+ return nil, err
+ }
+
+ rmrMessage := models.RmrMessage{MsgType: rmrCgo.RIC_SCTP_CLEAR_ALL}
+
+ err = h.rmrSender.Send(&rmrMessage)
if err != nil {
- logger.Errorf("#DeleteAllRequestHandler.updateNodebStates - failed to get nodes list from RNIB. Error: %s", err.Error())
- return e2managererrors.NewRnibDbError(), false
+ h.logger.Errorf("#DeleteAllRequestHandler.Handle - failed to send sctp clear all message to RMR: %s", err)
+ return nil, e2managererrors.NewRmrError()
}
- if len(nbIdentityList) == 0 {
- return nil, false
+ if !updatedAtLeastOnce {
+ h.logger.Infof("#DeleteAllRequestHandler.Handle - DB wasn't updated, not activating timer")
+
+ if dissocErr != nil {
+ return models.NewRedButtonPartialSuccessResponseModel(PartialSuccessDueToRmErrorMessage), nil
+ }
+
+ return nil, nil
+ }
+
+ time.Sleep(time.Duration(h.config.BigRedButtonTimeoutSec) * time.Second)
+ h.logger.Infof("#DeleteAllRequestHandler.Handle - timer expired")
+
+ err, _ = h.updateNodebs(h.updateNodebInfoShutDown)
+
+ if err != nil {
+ return nil, err
+ }
+
+ if dissocErr != nil {
+ return models.NewRedButtonPartialSuccessResponseModel(PartialSuccessDueToRmErrorMessage), nil
+ }
+
+ return nil, nil
+}
+
+func (h *DeleteAllRequestHandler) updateNodebs(updateCb func(node *entities.NodebInfo) (error, bool)) (error, bool) {
+ nbIdentityList, err := h.rnibDataService.GetListNodebIds()
+
+ if err != nil {
+ h.logger.Errorf("#DeleteAllRequestHandler.updateNodebs - failed to get nodes list from rNib. Error: %s", err)
+ return e2managererrors.NewRnibDbError(), false
}
- numOfRanToShutDown := 0
- for _,nbIdentity := range nbIdentityList{
+ updatedAtLeastOnce := false
- node, err := handler.readerProvider().GetNodeb((*nbIdentity).GetInventoryName())
+ for _, nbIdentity := range nbIdentityList {
+ node, err := h.rnibDataService.GetNodeb(nbIdentity.InventoryName)
if err != nil {
- logger.Errorf("#DeleteAllRequestHandler.updateNodebStates - failed to get nodeB entity for ran name: %v from RNIB. Error: %s",
- (*nbIdentity).GetInventoryName(), err.Error())
+ _, ok := err.(*common.ResourceNotFoundError)
+
+ if !ok {
+ h.logger.Errorf("#DeleteAllRequestHandler.updateNodebs - failed to get nodeB entity for ran name: %s from rNib. error: %s", nbIdentity.InventoryName, err)
+ return e2managererrors.NewRnibDbError(), false
+ }
continue
}
- if timeoutExpired{
+ err, updated := updateCb(node)
- if handler.saveNodebShutDownState(logger, nbIdentity, node){
- numOfRanToShutDown++
- }
- continue
+ if err != nil {
+ return err, false
}
- if handler.saveNodebNextState(logger, nbIdentity, node){
- numOfRanToShutDown++
+
+ if updated {
+ updatedAtLeastOnce = true
}
}
- if numOfRanToShutDown > 0{
- logger.Infof("#DeleteAllRequestHandler.updateNodebStates - update nodebs states in RNIB completed")
- }else {
- logger.Infof("#DeleteAllRequestHandler.updateNodebStates - nodebs states are not updated ")
- return nil, false
+ return nil, updatedAtLeastOnce
+}
+
+func (h *DeleteAllRequestHandler) updateNodebInfoForceShutdown(node *entities.NodebInfo) (error, bool) {
+ err := h.updateNodebInfo(node, entities.ConnectionStatus_SHUT_DOWN, true)
+
+ if err != nil {
+ return err, false
}
return nil, true
}
-func (handler *DeleteAllRequestHandler) saveNodebNextState(logger *logger.Logger, nbIdentity *entities.NbIdentity, node *entities.NodebInfo) bool{
+func (h *DeleteAllRequestHandler) updateNodebInfoShuttingDown(node *entities.NodebInfo) (error, bool) {
+ if node.ConnectionStatus == entities.ConnectionStatus_SHUT_DOWN {
+ return nil, false
+ }
+
+ err := h.updateNodebInfo(node, entities.ConnectionStatus_SHUTTING_DOWN, true)
- if node.ConnectionStatus == entities.ConnectionStatus_SHUTTING_DOWN{
- return true
+ if err != nil {
+ return err, false
}
- nextStatus, res := stateMachine.NodeNextStateDeleteAll(node.ConnectionStatus)
- if res == false {
- return false
+ return nil, true
+}
+
+func (h *DeleteAllRequestHandler) updateNodebInfoShutDown(node *entities.NodebInfo) (error, bool) {
+ if node.ConnectionStatus == entities.ConnectionStatus_SHUT_DOWN {
+ return nil, false
}
- node.ConnectionStatus = nextStatus
+ if node.ConnectionStatus != entities.ConnectionStatus_SHUTTING_DOWN {
+ h.logger.Warnf("#DeleteAllRequestHandler.updateNodebInfoShutDown - RAN name: %s - ignore, status is not Shutting Down", node.RanName)
+ return nil, false
+ }
- err := handler.writerProvider().SaveNodeb(nbIdentity, node)
+ err := h.updateNodebInfo(node, entities.ConnectionStatus_SHUT_DOWN, false)
if err != nil {
- logger.Errorf("#DeleteAllRequestHandler.saveNodebNextState - failed to save nodeB entity for inventory name: %v to RNIB. Error: %s",
- (*nbIdentity).GetInventoryName(), err.Error())
- return false
+ return err, false
}
- if logger.DebugEnabled() {
- logger.Debugf("#DeleteAllRequestHandler.saveNodebNextState - connection status of inventory name: %v changed to %v",
- (*nbIdentity).GetInventoryName(), nextStatus.String())
- }
- return true
+ return nil, true
}
-func (handler *DeleteAllRequestHandler) saveNodebShutDownState(logger *logger.Logger, nbIdentity *entities.NbIdentity, node *entities.NodebInfo) bool{
-
- if node.ConnectionStatus == entities.ConnectionStatus_SHUT_DOWN{
- return false
- }
+func (h *DeleteAllRequestHandler) updateNodebInfo(node *entities.NodebInfo, connectionStatus entities.ConnectionStatus, resetAssociatedE2TAddress bool) error {
+ node.ConnectionStatus = connectionStatus
- if node.ConnectionStatus != entities.ConnectionStatus_SHUTTING_DOWN {
- logger.Errorf("#DeleteAllRequestHandler.saveNodebShutDownState - ignore, status is not Shutting Down, inventory name: %v ", (*nbIdentity).GetInventoryName())
- return false
+ if resetAssociatedE2TAddress {
+ node.AssociatedE2TInstanceAddress = ""
}
- node.ConnectionStatus = entities.ConnectionStatus_SHUT_DOWN
-
- err := handler.writerProvider().SaveNodeb(nbIdentity, node)
+ err := h.rnibDataService.UpdateNodebInfo(node)
if err != nil {
- logger.Errorf("#DeleteAllRequestHandler.saveNodebShutDownState - failed to save nodeB entity for inventory name: %v to RNIB. Error: %s",
- (*nbIdentity).GetInventoryName(), err.Error())
- return false
+ h.logger.Errorf("#DeleteAllRequestHandler.updateNodebInfo - RAN name: %s - failed updating nodeB entity in rNib. error: %s", node.RanName, err)
+ return e2managererrors.NewRnibDbError()
}
- logger.Errorf("#DeleteAllRequestHandler.saveNodebShutDownState - Shut Down , inventory name: %v ", (*nbIdentity).GetInventoryName())
- return true
+ h.logger.Infof("#DeleteAllRequestHandler.updateNodebInfo - RAN name: %s, connection status: %s", node.RanName, connectionStatus)
+ return nil
+
}
Code Review / ric-plt / e2mgr.git / blobdiff