+++ /dev/null
-//
-// 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 httpmsghandlers
-
-import (
- "e2mgr/e2managererrors"
- "e2mgr/logger"
- "e2mgr/managers"
- "e2mgr/models"
- "e2mgr/services"
- "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/common"
- "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
- "github.com/go-ozzo/ozzo-validation"
- "github.com/go-ozzo/ozzo-validation/is"
-)
-
-const (
- X2SetupActivityName = "X2_SETUP"
- EndcSetupActivityName = "ENDC_SETUP"
-)
-
-type SetupRequestHandler struct {
- rNibDataService services.RNibDataService
- logger *logger.Logger
- ranSetupManager managers.IRanSetupManager
- protocol entities.E2ApplicationProtocol
- e2tAssociationManager *managers.E2TAssociationManager
- e2tInstancesManager managers.IE2TInstancesManager
-}
-
-func NewSetupRequestHandler(logger *logger.Logger, rNibDataService services.RNibDataService,
- ranSetupManager managers.IRanSetupManager, protocol entities.E2ApplicationProtocol, e2tInstancesManager managers.IE2TInstancesManager, e2tAssociationManager *managers.E2TAssociationManager) *SetupRequestHandler {
- return &SetupRequestHandler{
- logger: logger,
- rNibDataService: rNibDataService,
- ranSetupManager: ranSetupManager,
- protocol: protocol,
- e2tAssociationManager: e2tAssociationManager,
- e2tInstancesManager: e2tInstancesManager,
- }
-}
-
-func (h *SetupRequestHandler) Handle(request models.Request) (models.IResponse, error) {
-
- setupRequest := request.(models.SetupRequest)
-
- err := h.validateRequestDetails(setupRequest)
- if err != nil {
- return nil, err
- }
-
- nodebInfo, err := h.rNibDataService.GetNodeb(setupRequest.RanName)
-
- if err != nil {
- _, ok := err.(*common.ResourceNotFoundError)
- if !ok {
- h.logger.Errorf("#SetupRequestHandler.Handle - failed to get nodeB entity for ran name: %v from RNIB. Error: %s", setupRequest.RanName, err)
- return nil, e2managererrors.NewRnibDbError()
- }
-
- result := h.connectNewRan(&setupRequest, h.protocol)
- return nil, result
- }
-
- if nodebInfo.ConnectionStatus == entities.ConnectionStatus_SHUTTING_DOWN {
- h.logger.Errorf("#SetupRequestHandler.connectExistingRanWithAssociatedE2TAddress - RAN: %s in wrong state (%s)", nodebInfo.RanName, entities.ConnectionStatus_name[int32(nodebInfo.ConnectionStatus)])
- result := e2managererrors.NewWrongStateError(h.getActivityName(h.protocol), entities.ConnectionStatus_name[int32(nodebInfo.ConnectionStatus)])
- return nil, result
- }
-
- if len(nodebInfo.AssociatedE2TInstanceAddress) != 0 {
- result := h.connectExistingRanWithAssociatedE2TAddress(nodebInfo)
- return nil, result
- }
-
- result := h.connectExistingRanWithoutAssociatedE2TAddress(nodebInfo)
- return nil, result
-}
-
-func createInitialNodeInfo(requestDetails *models.SetupRequest, protocol entities.E2ApplicationProtocol) (*entities.NodebInfo, *entities.NbIdentity) {
-
- nodebInfo := &entities.NodebInfo{
- Ip: requestDetails.RanIp,
- Port: uint32(requestDetails.RanPort),
- ConnectionStatus: entities.ConnectionStatus_CONNECTING,
- E2ApplicationProtocol: protocol,
- RanName: requestDetails.RanName,
- }
-
- nbIdentity := &entities.NbIdentity{
- InventoryName: requestDetails.RanName,
- }
-
- return nodebInfo, nbIdentity
-}
-
-func (h *SetupRequestHandler) connectExistingRanWithoutAssociatedE2TAddress(nodebInfo *entities.NodebInfo) error {
- e2tAddress, err := h.e2tInstancesManager.SelectE2TInstance()
-
- if err != nil {
- h.logger.Errorf("#SetupRequestHandler.connectExistingRanWithoutAssociatedE2TAddress - RAN name: %s - failed selecting E2T instance", nodebInfo.RanName)
-
- if nodebInfo.ConnectionStatus == entities.ConnectionStatus_DISCONNECTED{
- return err
- }
-
- nodebInfo.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
- updateError := h.rNibDataService.UpdateNodebInfo(nodebInfo)
-
- if updateError != nil {
- h.logger.Errorf("#SetupRequestHandler.connectExistingRanWithoutAssociatedE2TAddress - RAN name: %s - failed updating nodeb. error: %s", nodebInfo.RanName, updateError)
- }
-
- return err
- }
-
- err = h.e2tAssociationManager.AssociateRan(e2tAddress, nodebInfo)
-
- if err != nil {
- h.logger.Errorf("#SetupRequestHandler.connectExistingRanWithoutAssociatedE2TAddress - RAN name: %s - failed associating ran to e2t address %s. error: %s", nodebInfo.RanName, e2tAddress, err)
- return err
- }
-
- h.logger.Infof("#SetupRequestHandler.connectExistingRanWithoutAssociatedE2TAddress - RAN name: %s - successfully updated nodeb in rNib", nodebInfo.RanName)
-
- result := h.ranSetupManager.ExecuteSetup(nodebInfo, entities.ConnectionStatus_CONNECTING)
- return result
-}
-
-func (h *SetupRequestHandler) connectExistingRanWithAssociatedE2TAddress(nodebInfo *entities.NodebInfo) error {
- status := entities.ConnectionStatus_CONNECTING
- if nodebInfo.ConnectionStatus == entities.ConnectionStatus_CONNECTED {
- status = nodebInfo.ConnectionStatus
- }
- err := h.rNibDataService.UpdateNodebInfo(nodebInfo)
-
- if err != nil {
- h.logger.Errorf("#SetupRequestHandler.connectExistingRanWithAssociatedE2TAddress - RAN name: %s - failed resetting connection attempts of RAN. error: %s", nodebInfo.RanName, err)
- return e2managererrors.NewRnibDbError()
- }
-
- h.logger.Infof("#SetupRequestHandler.connectExistingRanWithAssociatedE2TAddress - RAN name: %s - successfully reset connection attempts of RAN", nodebInfo.RanName)
-
- result := h.ranSetupManager.ExecuteSetup(nodebInfo, status)
- return result
-}
-
-func (h *SetupRequestHandler) connectNewRan(request *models.SetupRequest, protocol entities.E2ApplicationProtocol) error {
-
- e2tAddress, err := h.e2tInstancesManager.SelectE2TInstance()
-
- if err != nil {
- h.logger.Errorf("#SetupRequestHandler.connectNewRan - RAN name: %s - failed selecting E2T instance", request.RanName)
- return err
- }
-
- nodebInfo, nodebIdentity := createInitialNodeInfo(request, protocol)
-
- err = h.rNibDataService.SaveNodeb(nodebIdentity, nodebInfo)
-
- if err != nil {
- h.logger.Errorf("#SetupRequestHandler.connectNewRan - RAN name: %s - failed to save initial nodeb entity in RNIB. error: %s", request.RanName, err)
- return e2managererrors.NewRnibDbError()
- }
-
- h.logger.Infof("#SetupRequestHandler.connectNewRan - RAN name: %s - initial nodeb entity was saved to rNib", request.RanName)
-
- err = h.e2tAssociationManager.AssociateRan(e2tAddress, nodebInfo)
-
- if err != nil {
- h.logger.Errorf("#SetupRequestHandler.connectNewRan - RAN name: %s - failed associating ran to e2t address %s. error: %s", request.RanName, e2tAddress, err)
- return err
- }
-
- result := h.ranSetupManager.ExecuteSetup(nodebInfo, entities.ConnectionStatus_CONNECTING)
-
- return result
-}
-
-func (handler *SetupRequestHandler) validateRequestDetails(request models.SetupRequest) error {
-
- if request.RanPort == 0 {
- handler.logger.Errorf("#SetupRequestHandler.validateRequestDetails - validation failure: port cannot be zero")
- return e2managererrors.NewRequestValidationError()
- }
- err := validation.ValidateStruct(&request,
- validation.Field(&request.RanIp, validation.Required, is.IP),
- validation.Field(&request.RanName, validation.Required),
- )
-
- if err != nil {
- handler.logger.Errorf("#SetupRequestHandler.validateRequestDetails - validation failure, error: %v", err)
- return e2managererrors.NewRequestValidationError()
- }
-
- return nil
-}
-
-func (handler *SetupRequestHandler) getActivityName(protocol entities.E2ApplicationProtocol) string {
- if protocol == entities.E2ApplicationProtocol_X2_SETUP_REQUEST {
- return X2SetupActivityName
- }
- return EndcSetupActivityName
-}
Code Review / ric-plt / e2mgr.git / blobdiff