107 lines
3.9 KiB
Go
107 lines
3.9 KiB
Go
//
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// Copyright 2019 AT&T Intellectual Property
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// Copyright 2019 Nokia
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// This source code is part of the near-RT RIC (RAN Intelligent Controller)
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// platform project (RICP).
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package rmrmsghandlers
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import (
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"e2mgr/enums"
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"e2mgr/logger"
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"e2mgr/managers"
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"e2mgr/models"
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"e2mgr/rmrCgo"
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"e2mgr/services"
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"e2mgr/utils"
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"gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
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)
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type SetupResponseNotificationHandler struct {
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logger *logger.Logger
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rnibDataService services.RNibDataService
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setupResponseManager managers.ISetupResponseManager
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ranStatusChangeManager managers.IRanStatusChangeManager
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msgType int
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}
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var msgTypeToMsgName = map[int]string{
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rmrCgo.RIC_X2_SETUP_RESP: "X2 Setup Response",
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rmrCgo.RIC_X2_SETUP_FAILURE: "X2 Setup Failure Response",
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rmrCgo.RIC_ENDC_X2_SETUP_RESP: "ENDC Setup Response",
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rmrCgo.RIC_ENDC_X2_SETUP_FAILURE: "ENDC Setup Failure Response",
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}
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func NewSetupResponseNotificationHandler(logger *logger.Logger, rnibDataService services.RNibDataService, setupResponseManager managers.ISetupResponseManager, ranStatusChangeManager managers.IRanStatusChangeManager, msgType int) SetupResponseNotificationHandler {
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return SetupResponseNotificationHandler{
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logger: logger,
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rnibDataService: rnibDataService,
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setupResponseManager: setupResponseManager,
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ranStatusChangeManager: ranStatusChangeManager,
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msgType: msgType,
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}
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}
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func (h SetupResponseNotificationHandler) Handle(request *models.NotificationRequest) {
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msgName := msgTypeToMsgName[h.msgType]
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h.logger.Infof("#SetupResponseNotificationHandler - RAN name: %s - Received %s notification", request.RanName, msgName)
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inventoryName := request.RanName
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nodebInfo, rnibErr := h.rnibDataService.GetNodeb(inventoryName)
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if rnibErr != nil {
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h.logger.Errorf("#SetupResponseNotificationHandler - RAN name: %s - Error fetching RAN from rNib: %v", request.RanName, rnibErr)
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return
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}
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if !isConnectionStatusValid(nodebInfo.ConnectionStatus) {
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h.logger.Errorf("#SetupResponseNotificationHandler - RAN name: %s - Invalid RAN connection status: %s", request.RanName, nodebInfo.ConnectionStatus)
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return
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}
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nbIdentity := &entities.NbIdentity{InventoryName: inventoryName}
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err := h.setupResponseManager.PopulateNodebByPdu(h.logger, nbIdentity, nodebInfo, request.Payload)
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if err != nil {
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return
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}
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rnibErr = h.rnibDataService.SaveNodeb(nbIdentity, nodebInfo)
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if rnibErr != nil {
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h.logger.Errorf("#SetupResponseNotificationHandler - RAN name: %s - Error saving RAN to rNib: %v", request.RanName, rnibErr)
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return
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}
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h.logger.Infof("#SetupResponseNotificationHandler - RAN name: %s - Successfully saved RAN to rNib", request.RanName)
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h.logger.Infof("#SetupResponseNotificationHandler - Summary: elapsed time for receiving and handling setup response message from E2 terminator: %f ms", utils.ElapsedTime(request.StartTime))
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if !isSuccessSetupResponseMessage(h.msgType) {
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return
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}
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_ = h.ranStatusChangeManager.Execute(rmrCgo.RAN_CONNECTED, enums.RIC_TO_RAN, nodebInfo)
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}
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func isConnectionStatusValid(connectionStatus entities.ConnectionStatus) bool {
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return connectionStatus == entities.ConnectionStatus_CONNECTING || connectionStatus == entities.ConnectionStatus_CONNECTED
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}
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func isSuccessSetupResponseMessage(msgType int) bool {
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return msgType == rmrCgo.RIC_X2_SETUP_RESP || msgType == rmrCgo.RIC_ENDC_X2_SETUP_RESP
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}
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