X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=E2Manager%2Fhandlers%2Frmrmsghandlers%2Fe2_setup_request_notification_handler.go;h=405d30d27502e63aaaf850a771db4907f63c11de;hb=refs%2Fchanges%2F87%2F3187%2F1;hp=603458e7e5013b41d882ba91791c29aef4f5ad79;hpb=a75da9a56d61ca4754650d44a54bbf0b04f610d1;p=ric-plt%2Fe2mgr.git diff --git a/E2Manager/handlers/rmrmsghandlers/e2_setup_request_notification_handler.go b/E2Manager/handlers/rmrmsghandlers/e2_setup_request_notification_handler.go index 603458e..405d30d 100644 --- a/E2Manager/handlers/rmrmsghandlers/e2_setup_request_notification_handler.go +++ b/E2Manager/handlers/rmrmsghandlers/e2_setup_request_notification_handler.go @@ -21,6 +21,7 @@ package rmrmsghandlers import ( "bytes" + "e2mgr/configuration" "e2mgr/logger" "e2mgr/managers" "e2mgr/models" @@ -33,19 +34,23 @@ import ( "fmt" "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/common" "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities" + "strconv" + "strings" ) type E2SetupRequestNotificationHandler struct { logger *logger.Logger + config *configuration.Configuration e2tInstancesManager managers.IE2TInstancesManager rmrSender *rmrsender.RmrSender rNibDataService services.RNibDataService e2tAssociationManager *managers.E2TAssociationManager } -func NewE2SetupRequestNotificationHandler(logger *logger.Logger, e2tInstancesManager managers.IE2TInstancesManager, rmrSender *rmrsender.RmrSender, rNibDataService services.RNibDataService, e2tAssociationManager *managers.E2TAssociationManager) E2SetupRequestNotificationHandler { +func NewE2SetupRequestNotificationHandler(logger *logger.Logger, config *configuration.Configuration, e2tInstancesManager managers.IE2TInstancesManager, rmrSender *rmrsender.RmrSender, rNibDataService services.RNibDataService, e2tAssociationManager *managers.E2TAssociationManager) E2SetupRequestNotificationHandler { return E2SetupRequestNotificationHandler{ logger: logger, + config: config, e2tInstancesManager: e2tInstancesManager, rmrSender: rmrSender, rNibDataService: rNibDataService, @@ -55,7 +60,7 @@ func NewE2SetupRequestNotificationHandler(logger *logger.Logger, e2tInstancesMan func (h E2SetupRequestNotificationHandler) Handle(request *models.NotificationRequest){ ranName := request.RanName - h.logger.Infof("#E2SetupRequestNotificationHandler.Handle - RAN name: %s - received E2 Setup Request. Payload: %x", ranName, request.Payload) + h.logger.Infof("#E2SetupRequestNotificationHandler.Handle - RAN name: %s - received E2_SETUP_REQUEST. Payload: %x", ranName, request.Payload) setupRequest, e2tIpAddress, err := h.parseSetupRequest(request.Payload) if err != nil { @@ -64,6 +69,7 @@ func (h E2SetupRequestNotificationHandler) Handle(request *models.NotificationRe } h.logger.Infof("#E2SetupRequestNotificationHandler.Handle - E2T Address: %s - handling E2_SETUP_REQUEST", e2tIpAddress) + h.logger.Debugf("#E2SetupRequestNotificationHandler.Handle - E2_SETUP_REQUEST has been parsed successfully %+v", setupRequest) _, err = h.e2tInstancesManager.GetE2TInstance(e2tIpAddress) @@ -76,7 +82,11 @@ func (h E2SetupRequestNotificationHandler) Handle(request *models.NotificationRe if err != nil{ if _, ok := err.(*common.ResourceNotFoundError); ok{ nbIdentity := h.buildNbIdentity(ranName, setupRequest) - nodebInfo = h.buildNodebInfo(ranName, e2tIpAddress, setupRequest) + nodebInfo, err = h.buildNodebInfo(ranName, e2tIpAddress, setupRequest) + if err != nil{ + h.logger.Errorf("#E2SetupRequestNotificationHandler.Handle - RAN name: %s - failed to build nodebInfo entity. Error: %s", ranName, err) + return + } err = h.rNibDataService.SaveNodeb(nbIdentity, nodebInfo) if err != nil{ h.logger.Errorf("#E2SetupRequestNotificationHandler.Handle - RAN name: %s - failed to save nodebInfo entity. Error: %s", ranName, err) @@ -93,66 +103,88 @@ func (h E2SetupRequestNotificationHandler) Handle(request *models.NotificationRe h.logger.Infof("#E2SetupRequestNotificationHandler.Handle - Summary: elapsed time for receiving and handling setup request message from E2 terminator: %f ms", utils.ElapsedTime(request.StartTime)) return } - h.updateNodeBFunctions(nodebInfo, setupRequest) + nodebInfo.GetGnb().RanFunctions, err = setupRequest.GetExtractRanFunctionsList() + if err != nil{ + h.logger.Errorf("#E2SetupRequestNotificationHandler.Handle - RAN name: %s - failed to update nodebInfo entity. Error: %s", ranName, err) + return + } } + nodebInfo.ConnectionStatus = entities.ConnectionStatus_CONNECTED err = h.e2tAssociationManager.AssociateRan(e2tIpAddress, nodebInfo) if err != nil{ h.logger.Errorf("#E2SetupRequestNotificationHandler.Handle - RAN name: %s - failed to associate E2T to nodeB entity. Error: %s", ranName, err) return } - successResponse := &models.E2SetupSuccessResponseMessage{} - successResponse.SetPlmnId(setupRequest.GetPlmnId()) - successResponse.SetNbId("&" + fmt.Sprintf("%020b", 0xf0)) - responsePayload, err := xml.Marshal(successResponse) + + ricNearRtId, err := convertTo20BitString(h.config.GlobalRicId.RicNearRtId) + if err != nil{ + h.logger.Errorf("#E2SetupRequestNotificationHandler.Handle - 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) + h.logger.Debugf("#E2SetupRequestNotificationHandler.Handle - E2_SETUP_RESPONSE has been built successfully %+v", successResponse) + + responsePayload, err := xml.Marshal(&successResponse.E2APPDU) if err != nil{ - h.logger.Warnf("#E2SetupRequestNotificationHandler.Handle - RAN name: %s - Error marshalling E2 Setup Response. Response: %x", ranName, responsePayload) + h.logger.Warnf("#E2SetupRequestNotificationHandler.Handle - RAN name: %s - Error marshalling RIC_E2_SETUP_RESP. Payload: %s", ranName, responsePayload) } - msg := models.NewRmrMessage(rmrCgo.RIC_E2_SETUP_RESP, ranName, responsePayload, request.TransactionId) - h.logger.Infof("#E2SetupRequestNotificationHandler.Handle - RAN name: %s - E2 Setup Request has been built. Message: %x", ranName, msg) - //TODO err = h.rmrSender.Send(msg) + responsePayload = replaceCriticalityTagsWithSelfClosing(responsePayload) + + msg := models.NewRmrMessage(rmrCgo.RIC_E2_SETUP_RESP, ranName, responsePayload, request.TransactionId) + h.logger.Infof("#E2SetupRequestNotificationHandler.Handle - RAN name: %s - RIC_E2_SETUP_RESP message has been built successfully. Message: %x", ranName, msg) + _ = h.rmrSender.Send(msg) } -func (h E2SetupRequestNotificationHandler) parseSetupRequest(payload []byte)(*models.E2SetupRequestMessage, string, error){ +func replaceCriticalityTagsWithSelfClosing(responsePayload []byte) []byte { + responseString := strings.Replace(string(responsePayload), "", "", -1) + responseString = strings.Replace(responseString, "", "", -1) + return []byte(responseString) +} - colonInd := bytes.IndexByte(payload, ':') - if colonInd < 0 { - return nil, "", errors.New("#E2SetupRequestNotificationHandler.parseSetupRequest - Error parsing E2 Setup Request, failed extract E2T IP Address: no ':' separator found") +func convertTo20BitString(ricNearRtId string) (string, error){ + r, err := strconv.ParseUint(ricNearRtId, 16, 32) + if err != nil{ + return "", err } + return fmt.Sprintf("%020b", r)[:20], nil +} - e2tIpAddress := string(payload[:colonInd]) - if len(e2tIpAddress) == 0 { - return nil, "", errors.New("#E2SetupRequestNotificationHandler.parseSetupRequest - Empty E2T Address received") - } +func (h E2SetupRequestNotificationHandler) parseSetupRequest(payload []byte)(*models.E2SetupRequestMessage, string, error){ pipInd := bytes.IndexByte(payload, '|') if pipInd < 0 { return nil, "", errors.New( "#E2SetupRequestNotificationHandler.parseSetupRequest - Error parsing E2 Setup Request failed extract Payload: no | separator found") } + e2tIpAddress := string(payload[:pipInd]) + if len(e2tIpAddress) == 0 { + return nil, "", errors.New("#E2SetupRequestNotificationHandler.parseSetupRequest - Empty E2T Address received") + } setupRequest := &models.E2SetupRequestMessage{} - err := xml.Unmarshal(payload[pipInd + 1:], &setupRequest) + err := xml.Unmarshal(payload[pipInd + 1:], &setupRequest.E2APPDU) if err != nil { - return nil, "", errors.New("#E2SetupRequestNotificationHandler.parseSetupRequest - Error unmarshalling E2 Setup Request payload: %s") + return nil, "", errors.New(fmt.Sprintf("#E2SetupRequestNotificationHandler.parseSetupRequest - Error unmarshalling E2 Setup Request payload: %x", payload)) } return setupRequest, e2tIpAddress, nil } -func (h E2SetupRequestNotificationHandler) updateNodeBFunctions(nodeB *entities.NodebInfo, request *models.E2SetupRequestMessage){ - //TODO the function should be implemented in the scope of the US 192 "Save the entire Setup request in RNIB" -} - -func (h E2SetupRequestNotificationHandler) buildNodebInfo(ranName string, e2tAddress string, request *models.E2SetupRequestMessage) *entities.NodebInfo{ +func (h E2SetupRequestNotificationHandler) buildNodebInfo(ranName string, e2tAddress string, request *models.E2SetupRequestMessage) (*entities.NodebInfo, error){ + var err error nodebInfo := &entities.NodebInfo{ AssociatedE2TInstanceAddress: e2tAddress, ConnectionStatus: entities.ConnectionStatus_CONNECTED, RanName: ranName, NodeType: entities.Node_GNB, Configuration: &entities.NodebInfo_Gnb{Gnb: &entities.Gnb{}}, + GlobalNbId: &entities.GlobalNbId{ + PlmnId: request.GetPlmnId(), + NbId: request.GetNbId(), + }, } - h.updateNodeBFunctions(nodebInfo, request) - return nodebInfo + nodebInfo.GetGnb().RanFunctions, err = request.GetExtractRanFunctionsList() + return nodebInfo, err } func (h E2SetupRequestNotificationHandler) buildNbIdentity(ranName string, setupRequest *models.E2SetupRequestMessage)*entities.NbIdentity{