return nodebInfo, nil
}
+func (h E2SetupRequestNotificationHandler) setGnbFunctions(nodebInfo *entities.NodebInfo, setupRequest *models.E2SetupRequestMessage) error {
+ ranFunctions := setupRequest.ExtractRanFunctionsList()
+
+ if ranFunctions != nil {
+ nodebInfo.GetGnb().RanFunctions = ranFunctions
+ }
+
+ return nil
+}
+
func (h E2SetupRequestNotificationHandler) handleExistingRan(ranName string, nodebInfo *entities.NodebInfo, setupRequest *models.E2SetupRequestMessage) error {
if nodebInfo.GetConnectionStatus() == entities.ConnectionStatus_SHUTTING_DOWN {
h.logger.Errorf("#E2SetupRequestNotificationHandler.Handle - RAN name: %s, connection status: %s - nodeB entity in incorrect state", ranName, nodebInfo.ConnectionStatus)
return errors.New("nodeB entity in incorrect state")
}
- ranFunctions, err := setupRequest.ExtractRanFunctionsList()
-
- if err != nil {
- h.logger.Errorf("#E2SetupRequestNotificationHandler.Handle - RAN name: %s - failed to update nodebInfo entity. Error: %s", ranName, err)
- return err
- }
-
- nodebInfo.GetGnb().RanFunctions = ranFunctions
- return nil
+ err := h.setGnbFunctions(nodebInfo, setupRequest)
+ return err
}
func (h E2SetupRequestNotificationHandler) handleUnsuccessfulResponse(nodebInfo *entities.NodebInfo, req *models.NotificationRequest) {
responsePayload = replaceEmptyTagsWithSelfClosing(responsePayload)
+ h.logger.Infof("#E2SetupRequestNotificationHandler.handleUnsuccessfulResponse - payload: %s", responsePayload)
+
msg := models.NewRmrMessage(rmrCgo.RIC_E2_SETUP_FAILURE, nodebInfo.RanName, responsePayload, req.TransactionId, req.GetMsgSrc())
h.logger.Infof("#E2SetupRequestNotificationHandler.handleUnsuccessfulResponse - RAN name: %s - RIC_E2_SETUP_RESP message has been built successfully. Message: %x", nodebInfo.RanName, msg)
_ = h.rmrSender.WhSend(msg)
func (h E2SetupRequestNotificationHandler) handleSuccessfulResponse(ranName string, req *models.NotificationRequest, setupRequest *models.E2SetupRequestMessage) {
- ricNearRtId, err := convertTo20BitString(h.config.GlobalRicId.RicNearRtId)
+ plmnId := buildPlmnId(h.config.GlobalRicId.Mcc, h.config.GlobalRicId.Mnc)
+
+ ricNearRtId, err := convertTo20BitString(h.config.GlobalRicId.RicId)
if err != nil {
- h.logger.Errorf("#E2SetupRequestNotificationHandler.handleSuccessfulResponse - RAN name: %s - failed to convert RicNearRtId value %s to 20 bit string . Error: %s", ranName, h.config.GlobalRicId.RicNearRtId, err)
return
}
- successResponse := models.NewE2SetupSuccessResponseMessage(h.config.GlobalRicId.PlmnId, ricNearRtId, setupRequest)
+ successResponse := models.NewE2SetupSuccessResponseMessage(plmnId, ricNearRtId, setupRequest)
h.logger.Debugf("#E2SetupRequestNotificationHandler.handleSuccessfulResponse - E2_SETUP_RESPONSE has been built successfully %+v", successResponse)
responsePayload, err := xml.Marshal(&successResponse.E2APPDU)
responsePayload = replaceEmptyTagsWithSelfClosing(responsePayload)
+ h.logger.Infof("#E2SetupRequestNotificationHandler.handleSuccessfulResponse - payload: %s", responsePayload)
+
msg := models.NewRmrMessage(rmrCgo.RIC_E2_SETUP_RESP, ranName, responsePayload, req.TransactionId, req.GetMsgSrc())
h.logger.Infof("#E2SetupRequestNotificationHandler.handleSuccessfulResponse - RAN name: %s - RIC_E2_SETUP_RESP message has been built successfully. Message: %x", ranName, msg)
_ = h.rmrSender.Send(msg)
}
+func buildPlmnId(mmc string, mnc string) string{
+ var b strings.Builder
+
+ b.WriteByte(mmc[1])
+ b.WriteByte(mmc[0])
+ if len(mnc) == 2 {
+ b.WriteString("F")
+ } else {
+ b.WriteByte(mnc[2])
+ }
+ b.WriteByte(mmc[2])
+ b.WriteByte(mnc[1])
+ b.WriteByte(mnc[0])
+
+ return b.String()
+}
+
func replaceEmptyTagsWithSelfClosing(responsePayload []byte) []byte {
responseString := strings.NewReplacer(
"<reject></reject>", "<reject/>",
if len(e2tIpAddress) == 0 {
return nil, "", errors.New("#E2SetupRequestNotificationHandler.parseSetupRequest - Empty E2T Address received")
}
+
+ h.logger.Infof("#E2SetupRequestNotificationHandler.parseSetupRequest - payload: %s", payload[pipInd+1:])
+
setupRequest := &models.E2SetupRequestMessage{}
- err := xml.Unmarshal(payload[pipInd+1:], &setupRequest.E2APPDU)
+ err := xml.Unmarshal(normalizeXml(payload[pipInd+1:]), &setupRequest.E2APPDU)
if err != nil {
return nil, "", errors.New(fmt.Sprintf("#E2SetupRequestNotificationHandler.parseSetupRequest - Error unmarshalling E2 Setup Request payload: %x", payload))
}
return setupRequest, e2tIpAddress, nil
}
+func normalizeXml(payload []byte) []byte {
+ xmlStr := string(payload)
+ normalized := strings.NewReplacer("<", "<", ">", ">").Replace(xmlStr)
+ return []byte(normalized)
+}
+
func (h E2SetupRequestNotificationHandler) buildNodebInfo(ranName string, e2tAddress string, request *models.E2SetupRequestMessage) (*entities.NodebInfo, error) {
+
var err error
nodebInfo := &entities.NodebInfo{
AssociatedE2TInstanceAddress: e2tAddress,
RanName: ranName,
NodeType: entities.Node_GNB,
Configuration: &entities.NodebInfo_Gnb{Gnb: &entities.Gnb{}},
- GlobalNbId: &entities.GlobalNbId{
- PlmnId: request.GetPlmnId(),
- NbId: request.GetNbId(),
- },
+ GlobalNbId: h.buildGlobalNbId(request),
}
- nodebInfo.GetGnb().RanFunctions, err = request.ExtractRanFunctionsList()
+
+ err = h.setGnbFunctions(nodebInfo, request)
return nodebInfo, err
}
+func (h E2SetupRequestNotificationHandler) buildGlobalNbId(setupRequest *models.E2SetupRequestMessage) *entities.GlobalNbId {
+ return &entities.GlobalNbId{
+ PlmnId: setupRequest.GetPlmnId(),
+ NbId: setupRequest.GetNbId(),
+ }
+}
+
func (h E2SetupRequestNotificationHandler) buildNbIdentity(ranName string, setupRequest *models.E2SetupRequestMessage) *entities.NbIdentity {
return &entities.NbIdentity{
InventoryName: ranName,
- GlobalNbId: &entities.GlobalNbId{
- PlmnId: setupRequest.GetPlmnId(),
- NbId: setupRequest.GetNbId(),
- },
+ GlobalNbId: h.buildGlobalNbId(setupRequest),
}
}