E2Manager/handlers/rmrmsghandlers/x2_reset_request_notification_handler.go

   1 //
   2 // Copyright 2019 AT&T Intellectual Property
   3 // Copyright 2019 Nokia
   4 //
   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
   8 //
   9 //      http://www.apache.org/licenses/LICENSE-2.0
  10 //
  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.
  16
  17 //  This source code is part of the near-RT RIC (RAN Intelligent Controller)
  18 //  platform project (RICP).
  19
  20
  21 package rmrmsghandlers
  22
  23 // #cgo CFLAGS: -I../../3rdparty/asn1codec/inc/  -I../../3rdparty/asn1codec/e2ap_engine/
  24 // #cgo LDFLAGS: -L ../../3rdparty/asn1codec/lib/ -L../../3rdparty/asn1codec/e2ap_engine/ -le2ap_codec -lasncodec
  25 // #include <asn1codec_utils.h>
  26 // #include <x2reset_response_wrapper.h>
  27 import "C"
  28 import (
  29         "e2mgr/e2pdus"
  30         "e2mgr/enums"
  31         "e2mgr/logger"
  32         "e2mgr/managers"
  33         "e2mgr/models"
  34         "e2mgr/rmrCgo"
  35         "e2mgr/services"
  36         "e2mgr/services/rmrsender"
  37         "e2mgr/utils"
  38         "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
  39 )
  40
  41 const ResetRequesLogInfoElapsedTime = "#X2ResetRequestNotificationHandler.Handle - Summary: elapsed time for receiving and handling reset request message from E2 terminator: %f ms"
  42
  43 type X2ResetRequestNotificationHandler struct {
  44         logger                 *logger.Logger
  45         rnibDataService        services.RNibDataService
  46         ranStatusChangeManager managers.IRanStatusChangeManager
  47         rmrSender              *rmrsender.RmrSender
  48 }
  49
  50 func NewX2ResetRequestNotificationHandler(logger *logger.Logger, rnibDataService services.RNibDataService, ranStatusChangeManager managers.IRanStatusChangeManager, rmrSender *rmrsender.RmrSender) X2ResetRequestNotificationHandler {
  51         return X2ResetRequestNotificationHandler{
  52                 logger:                 logger,
  53                 rnibDataService:        rnibDataService,
  54                 ranStatusChangeManager: ranStatusChangeManager,
  55                 rmrSender:              rmrSender,
  56         }
  57 }
  58
  59 func (h X2ResetRequestNotificationHandler) Handle(request *models.NotificationRequest) {
  60
  61         h.logger.Infof("#X2ResetRequestNotificationHandler.Handle - Ran name: %s", request.RanName)
  62
  63         nb, rNibErr := h.rnibDataService.GetNodeb(request.RanName)
  64         if rNibErr != nil {
  65                 h.logger.Errorf("#X2ResetRequestNotificationHandler.Handle - failed to retrieve nodeB entity. RanName: %s. Error: %s", request.RanName, rNibErr.Error())
  66                 h.logger.Infof(ResetRequesLogInfoElapsedTime, utils.ElapsedTime(request.StartTime))
  67                 return
  68         }
  69
  70         h.logger.Debugf("#X2ResetRequestNotificationHandler.Handle - nodeB entity retrieved. RanName %s, ConnectionStatus %s", nb.RanName, nb.ConnectionStatus)
  71
  72         if nb.ConnectionStatus == entities.ConnectionStatus_SHUTTING_DOWN {
  73                 h.logger.Warnf("#X2ResetRequestNotificationHandler.Handle - nodeB entity in incorrect state. RanName %s, ConnectionStatus %s", nb.RanName, nb.ConnectionStatus)
  74                 h.logger.Infof(ResetRequesLogInfoElapsedTime, utils.ElapsedTime(request.StartTime))
  75                 return
  76         }
  77
  78         if nb.ConnectionStatus != entities.ConnectionStatus_CONNECTED {
  79                 h.logger.Errorf("#X2ResetRequestNotificationHandler.Handle - nodeB entity in incorrect state. RanName %s, ConnectionStatus %s", nb.RanName, nb.ConnectionStatus)
  80                 h.logger.Infof(ResetRequesLogInfoElapsedTime, utils.ElapsedTime(request.StartTime))
  81                 return
  82         }
  83
  84         msg := models.NewRmrMessage(rmrCgo.RIC_X2_RESET_RESP, request.RanName, e2pdus.PackedX2ResetResponse, request.TransactionId, request.GetMsgSrc())
  85
  86         _ = h.rmrSender.Send(msg)
  87         h.logger.Infof(ResetRequesLogInfoElapsedTime, utils.ElapsedTime(request.StartTime))
  88         _ = h.ranStatusChangeManager.Execute(rmrCgo.RAN_RESTARTED, enums.RAN_TO_RIC, nb)
  89 }