[RICPLT-1739] Extract and build Load Information Message

[ric-plt/e2mgr.git] / E2Manager / handlers / ric_enb_load_information_notification_handler.go

diff --git a/E2Manager/handlers/ric_enb_load_information_notification_handler.go b/E2Manager/handlers/ric_enb_load_information_notification_handler.go
index ff15c21..ef67231 100644 (file)
--- a/E2Manager/handlers/ric_enb_load_information_notification_handler.go
+++ b/E2Manager/handlers/ric_enb_load_information_notification_handler.go
@@ -1,23 +1,58 @@
 package handlers
 
+import "C"
 import (
        "e2mgr/logger"
        "e2mgr/models"
+       "e2mgr/rNibWriter"
        "e2mgr/sessions"
+       "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
+       "time"
 )
 
 type RicEnbLoadInformationNotificationHandler struct{}
 
+func elapsed(startTime time.Time) float64 {
+       return float64(time.Since(startTime)) / float64(time.Millisecond)
+}
+
+func (src RicEnbLoadInformationNotificationHandler) Handle(logger *logger.Logger, e2Sessions sessions.E2Sessions, request *models.NotificationRequest, messageChannel chan<- *models.NotificationResponse) {
+
+       pdu, err := unpackX2apPdu(logger, MaxAsn1CodecAllocationBufferSize, request.Len, request.Payload, MaxAsn1CodecMessageBufferSize)
 
-func (src RicEnbLoadInformationNotificationHandler) Handle(logger *logger.Logger, e2Sessions sessions.E2Sessions,
-       request *models.NotificationRequest, messageChannel chan<- *models.NotificationResponse) {
+       //packedExampleString := "004c07080004001980da0100075bde017c148003d5a8205000017c180003d5a875555403331420000012883a0003547400cd20002801ea16007c1f07c1f107c1f0781e007c80800031a02c000c88199040a00352083669190000d8908020000be0c4001ead4016e007ab50100002f8320067ab5005b8c1ead5070190c00001d637805f220000f56a081400005f020000f56a1d555400ccc508002801ea16007c1f07c1f107c1f0781e007c80800031a02c000c88199040a00352083669190000d8908020000be044001ead4016e007ab50100002f8120067ab5005b8c1ead5070190c00000"
+       //
+       //var packedExampleByteSlice []byte
+       //
+       //_, err := fmt.Sscanf(packedExampleString, "%x", &packedExampleByteSlice)
+       //
+       //pdu, err := unpackX2apPduUPer(logger, MaxAsn1CodecAllocationBufferSize, len(packedExampleByteSlice), packedExampleByteSlice, MaxAsn1CodecMessageBufferSize)
 
-       notification, err := unpackX2apPduAndRefine(logger, MaxAsn1CodecAllocationBufferSize /*allocation buffer*/, request.Len, request.Payload, MaxAsn1CodecMessageBufferSize /*message buffer*/)
 
        if err != nil {
-               logger.Errorf("#ric_enb_load_information_notification_handler.Handle - unpack failed. Error: %v", err)
+               logger.Errorf("#RicEnbLoadInformationNotificationHandler.Handle - RAN name: %s - Unpack failed. Error: %v", request.RanName, err)
+               return
+       }
+
+       logger.Debugf("#RicEnbLoadInformationNotificationHandler.Handle - RAN name: %s - Unpacked message successfully", request.RanName)
+
+       ranLoadInformation := &entities.RanLoadInformation{LoadTimestamp: uint64(request.StartTime.UnixNano())}
+
+       err = extractAndBuildRanLoadInformation(pdu, ranLoadInformation)
+
+       if (err != nil) {
+               logger.Errorf("#RicEnbLoadInformationNotificationHandler.Handle - RAN name: %s - Failed at extractAndBuildRanLoadInformation. Error: %v", request.RanName, err)
+               return
+       }
+
+       logger.Debugf("#RicEnbLoadInformationNotificationHandler.Handle - RAN name: %s - Successfully done with extracting and building RAN load information. elapsed: %f ms", request.RanName, elapsed(request.StartTime))
+
+       rnibErr := rNibWriter.GetRNibWriter().SaveRanLoadInformation(request.RanName, ranLoadInformation) // TODO: Should inject RnibWriter
+
+       if rnibErr != nil {
+               logger.Errorf("#RicEnbLoadInformationNotificationHandler.Handle - RAN name: %s - Failed saving RAN load information. Error: %v", request.RanName, rnibErr)
+               return
        }
 
-       logger.Infof("#ric_enb_load_information_notification_handler.handle - Enb load information notification message received")
-       logger.Debugf("#ric_enb_load_information_notification_handler.handle - Enb load information notification message payload: %s", notification.pduPrint)
+       logger.Debugf("#RicEnbLoadInformationNotificationHandler.Handle - RAN name: %s - Successfully saved RAN load information to RNIB. elapsed: %f ms", request.RanName, elapsed(request.StartTime))
 }