First commit

setup/e2mgr/E2Manager/handlers/rmrmsghandlers/setup_response_notification_handler.go

@@ -0,0 +1,106 @@
+//
+// 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 rmrmsghandlers
+
+import (
+	"e2mgr/enums"
+	"e2mgr/logger"
+	"e2mgr/managers"
+	"e2mgr/models"
+	"e2mgr/rmrCgo"
+	"e2mgr/services"
+	"e2mgr/utils"
+	"gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
+)
+
+type SetupResponseNotificationHandler struct {
+	logger                 *logger.Logger
+	rnibDataService        services.RNibDataService
+	setupResponseManager   managers.ISetupResponseManager
+	ranStatusChangeManager managers.IRanStatusChangeManager
+	msgType                int
+}
+
+var msgTypeToMsgName = map[int]string{
+	rmrCgo.RIC_X2_SETUP_RESP:         "X2 Setup Response",
+	rmrCgo.RIC_X2_SETUP_FAILURE:      "X2 Setup Failure Response",
+	rmrCgo.RIC_ENDC_X2_SETUP_RESP:    "ENDC Setup Response",
+	rmrCgo.RIC_ENDC_X2_SETUP_FAILURE: "ENDC Setup Failure Response",
+}
+
+func NewSetupResponseNotificationHandler(logger *logger.Logger, rnibDataService services.RNibDataService, setupResponseManager managers.ISetupResponseManager, ranStatusChangeManager managers.IRanStatusChangeManager, msgType int) SetupResponseNotificationHandler {
+	return SetupResponseNotificationHandler{
+		logger: logger,
+		rnibDataService:        rnibDataService,
+		setupResponseManager:   setupResponseManager,
+		ranStatusChangeManager: ranStatusChangeManager,
+		msgType:                msgType,
+	}
+}
+
+func (h SetupResponseNotificationHandler) Handle(request *models.NotificationRequest) {
+	msgName := msgTypeToMsgName[h.msgType]
+	h.logger.Infof("#SetupResponseNotificationHandler - RAN name: %s - Received %s notification", request.RanName, msgName)
+
+	inventoryName := request.RanName
+
+	nodebInfo, rnibErr := h.rnibDataService.GetNodeb(inventoryName)
+
+	if rnibErr != nil {
+		h.logger.Errorf("#SetupResponseNotificationHandler - RAN name: %s - Error fetching RAN from rNib: %v", request.RanName, rnibErr)
+		return
+	}
+
+	if !isConnectionStatusValid(nodebInfo.ConnectionStatus) {
+		h.logger.Errorf("#SetupResponseNotificationHandler - RAN name: %s - Invalid RAN connection status: %s", request.RanName, nodebInfo.ConnectionStatus)
+		return
+	}
+
+	nbIdentity := &entities.NbIdentity{InventoryName: inventoryName}
+	err := h.setupResponseManager.PopulateNodebByPdu(h.logger, nbIdentity, nodebInfo, request.Payload)
+
+	if err != nil {
+		return
+	}
+
+	rnibErr = h.rnibDataService.SaveNodeb(nbIdentity, nodebInfo)
+
+	if rnibErr != nil {
+		h.logger.Errorf("#SetupResponseNotificationHandler - RAN name: %s - Error saving RAN to rNib: %v", request.RanName, rnibErr)
+		return
+	}
+
+	h.logger.Infof("#SetupResponseNotificationHandler - RAN name: %s - Successfully saved RAN to rNib", request.RanName)
+	h.logger.Infof("#SetupResponseNotificationHandler - Summary: elapsed time for receiving and handling setup response message from E2 terminator: %f ms", utils.ElapsedTime(request.StartTime))
+
+	if !isSuccessSetupResponseMessage(h.msgType) {
+		return
+	}
+
+	_ = h.ranStatusChangeManager.Execute(rmrCgo.RAN_CONNECTED, enums.RIC_TO_RAN, nodebInfo)
+}
+
+func isConnectionStatusValid(connectionStatus entities.ConnectionStatus) bool {
+	return connectionStatus == entities.ConnectionStatus_CONNECTING || connectionStatus == entities.ConnectionStatus_CONNECTED
+}
+
+func isSuccessSetupResponseMessage(msgType int) bool {
+	return msgType == rmrCgo.RIC_X2_SETUP_RESP || msgType == rmrCgo.RIC_ENDC_X2_SETUP_RESP
+}