// 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
-// #cgo CFLAGS: -I../../asn1codec/inc/ -I../../asn1codec/e2ap_engine/
-// #cgo LDFLAGS: -L ../../asn1codec/lib/ -L../../asn1codec/e2ap_engine/ -le2ap_codec -lasncodec
+// #cgo CFLAGS: -I../../3rdparty/asn1codec/inc/ -I../../3rdparty/asn1codec/e2ap_engine/
+// #cgo LDFLAGS: -L ../../3rdparty/asn1codec/lib/ -L../../3rdparty/asn1codec/e2ap_engine/ -le2ap_codec -lasncodec
// #include <asn1codec_utils.h>
import "C"
import (
"e2mgr/converters"
- "e2mgr/e2pdus"
+ "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"
)
+const ResetResponseLogInfoElapsedTime = "#X2ResetResponseHandler.Handle - Summary: elapsed time for receiving and handling reset request message from E2 terminator: %f ms"
+
type X2ResetResponseHandler struct {
- rnibDataService services.RNibDataService
+ logger *logger.Logger
+ rnibDataService services.RNibDataService
+ ranStatusChangeManager managers.IRanStatusChangeManager
+ extractor converters.IX2ResetResponseExtractor
}
-func NewX2ResetResponseHandler(rnibDataService services.RNibDataService) X2ResetResponseHandler {
+func NewX2ResetResponseHandler(logger *logger.Logger, rnibDataService services.RNibDataService, ranStatusChangeManager managers.IRanStatusChangeManager, x2ResetResponseExtractor converters.IX2ResetResponseExtractor) X2ResetResponseHandler {
return X2ResetResponseHandler{
- rnibDataService: rnibDataService,
+ logger: logger,
+ rnibDataService: rnibDataService,
+ ranStatusChangeManager: ranStatusChangeManager,
+ extractor: x2ResetResponseExtractor,
+ }
+}
+
+func (h X2ResetResponseHandler) Handle(request *models.NotificationRequest) {
+ ranName := request.RanName
+ h.logger.Infof("#X2ResetResponseHandler.Handle - RAN name: %s - received reset response. Payload: %x", ranName, request.Payload)
+
+ nodebInfo, err := h.rnibDataService.GetNodeb(ranName)
+ if err != nil {
+ h.logger.Errorf("#x2ResetResponseHandler.Handle - RAN name: %s - failed to retrieve nodebInfo entity. Error: %s", ranName, err)
+ return
+ }
+
+ if nodebInfo.ConnectionStatus == entities.ConnectionStatus_SHUTTING_DOWN {
+ h.logger.Warnf("#X2ResetResponseHandler.Handle - RAN name: %s, connection status: %s - nodeB entity in incorrect state", nodebInfo.RanName, nodebInfo.ConnectionStatus)
+ h.logger.Infof(ResetResponseLogInfoElapsedTime, utils.ElapsedTime(request.StartTime))
+ return
}
+
+ if nodebInfo.ConnectionStatus != entities.ConnectionStatus_CONNECTED {
+ h.logger.Errorf("#X2ResetResponseHandler.Handle - RAN name: %s, connection status: %s - nodeB entity in incorrect state", nodebInfo.RanName, nodebInfo.ConnectionStatus)
+ h.logger.Infof(ResetResponseLogInfoElapsedTime, utils.ElapsedTime(request.StartTime))
+ return
+ }
+
+ isSuccessfulResetResponse, err := h.isSuccessfulResetResponse(ranName, request.Payload)
+
+ h.logger.Infof(ResetResponseLogInfoElapsedTime, utils.ElapsedTime(request.StartTime))
+
+ if err != nil || !isSuccessfulResetResponse {
+ return
+ }
+
+ _ = h.ranStatusChangeManager.Execute(rmrCgo.RAN_RESTARTED, enums.RIC_TO_RAN, nodebInfo)
}
-func (src X2ResetResponseHandler) Handle(logger *logger.Logger, request *models.NotificationRequest, messageChannel chan<- *models.NotificationResponse) {
+func (h X2ResetResponseHandler) isSuccessfulResetResponse(ranName string, packedBuffer []byte) (bool, error) {
- logger.Infof("#x2ResetResponseHandler.Handle - received reset response. Payload: %x", request.Payload)
+ criticalityDiagnostics, err := h.extractor.ExtractCriticalityDiagnosticsFromPdu(packedBuffer)
- if nb, rNibErr := src.rnibDataService.GetNodeb(request.RanName); rNibErr != nil {
- logger.Errorf("#x2ResetResponseHandler.Handle - failed to retrieve nb entity. RanName: %s. Error: %s", request.RanName, rNibErr.Error())
- } else {
- logger.Debugf("#x2ResetResponseHandler.Handle - nb entity retrieved. RanName %s, ConnectionStatus %s", nb.RanName, nb.ConnectionStatus)
- refinedMessage, err := converters.UnpackX2apPduAndRefine(logger, e2pdus.MaxAsn1CodecAllocationBufferSize, request.Len, request.Payload, e2pdus.MaxAsn1CodecMessageBufferSize /*message buffer*/)
- if err != nil {
- logger.Errorf("#x2ResetResponseHandler.Handle - failed to unpack reset response message. RanName %s, Payload: %s", request.RanName, request.Payload)
- } else {
- logger.Debugf("#x2ResetResponseHandler.Handle - reset response message payload unpacked. RanName %s, Message: %s", request.RanName, refinedMessage.PduPrint)
- }
+ if err != nil {
+ h.logger.Errorf("#X2ResetResponseHandler.isSuccessfulResetResponse - RAN name: %s - Failed extracting pdu: %s", ranName, err)
+ return false, err
}
+
+ if criticalityDiagnostics != nil {
+ h.logger.Errorf("#X2ResetResponseHandler.isSuccessfulResetResponse - RAN name: %s - Unsuccessful RESET response message. Criticality diagnostics: %s", ranName, criticalityDiagnostics)
+ return false, nil
+ }
+
+ h.logger.Infof("#X2ResetResponseHandler.isSuccessfulResetResponse - RAN name: %s - Successful RESET response message", ranName)
+ return true, nil
}