[RICPLT-1852] Supports E2T Initialize + ExecuteSetup + prepare setup request on init

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

diff --git a/E2Manager/handlers/setup_request_handler.go b/E2Manager/handlers/setup_request_handler.go
index 146bdfb..4c49b1d 100644 (file)
--- a/E2Manager/handlers/setup_request_handler.go
+++ b/E2Manager/handlers/setup_request_handler.go
@@ -18,10 +18,12 @@
 package handlers
 
 import (
+       "e2mgr/e2pdus"
        "e2mgr/logger"
        "e2mgr/rNibWriter"
        "e2mgr/rnibBuilders"
        "fmt"
+       "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
        "os"
        "sync"
        "time"
@@ -38,18 +40,12 @@ const (
        MaxAsn1CodecMessageBufferSize    = 4096
 )
 
-const (
-       shortMacro_eNB_ID = 18
-       macro_eNB_ID      = 20
-       longMacro_eNB_ID  = 21
-       home_eNB_ID       = 28
-)
 
 /*The Ric Id is the combination of pLMNId and ENBId*/
 var pLMNId []byte
 var eNBId []byte
 var eNBIdBitqty uint
-var ricFlag = [3]byte{0xbb, 0xbc, 0xcc} /*pLMNId [3]bytes*/
+var ricFlag = []byte{0xbb, 0xbc, 0xcc} /*pLMNId [3]bytes*/
 
 type SetupRequestHandler struct {
        rnibWriterProvider func() rNibWriter.RNibWriter
@@ -62,7 +58,7 @@ func NewSetupRequestHandler(rnibWriterProvider func() rNibWriter.RNibWriter) *Se
 }
 
 func (handler SetupRequestHandler) PreHandle(logger *logger.Logger, details *models.RequestDetails) error {
-       nodebInfo, nodebIdentity := rnibBuilders.CreateInitialNodeInfo(details)
+       nodebInfo, nodebIdentity := rnibBuilders.CreateInitialNodeInfo(details, entities.E2ApplicationProtocol_X2_SETUP_REQUEST)
 
        rNibErr := handler.rnibWriterProvider().SaveNodeb(nodebIdentity, nodebInfo)
        if rNibErr != nil {
@@ -78,39 +74,17 @@ func (SetupRequestHandler) CreateMessage(logger *logger.Logger, requestDetails *
 
        wg.Add(1)
 
-       payload, err := packX2apSetupRequest(logger, MaxAsn1CodecAllocationBufferSize /*allocation buffer*/, MaxAsn1PackedBufferSize /*max packed buffer*/, MaxAsn1CodecMessageBufferSize /*max message buffer*/, pLMNId, eNBId, eNBIdBitqty)
-       if err != nil {
-               logger.Errorf("#setup_request_handler.CreateMessage - pack was failed. Error: %v", err)
-       } else {
-               transactionId := requestDetails.RanName
-               e2sessions[transactionId] = sessions.E2SessionDetails{SessionStart: startTime, Request: requestDetails}
-               setupRequestMessage := models.NewE2RequestMessage(transactionId, requestDetails.RanIp, requestDetails.RanPort, requestDetails.RanName, payload)
+       transactionId := requestDetails.RanName
+       e2sessions[transactionId] = sessions.E2SessionDetails{SessionStart: startTime, Request: requestDetails}
+       setupRequestMessage := models.NewE2RequestMessage(transactionId, requestDetails.RanIp, requestDetails.RanPort, requestDetails.RanName, e2pdus.PackedX2setupRequest)
 
-               logger.Debugf("#setup_request_handler.CreateMessage - setupRequestMessage was created successfully. setup request details(transactionId = [%s]): %+v", transactionId, setupRequestMessage)
-               messageChannel <- setupRequestMessage
-       }
+       logger.Debugf("#setup_request_handler.CreateMessage - PDU: %s", e2pdus.PackedX2setupRequestAsString)
+       logger.Debugf("#setup_request_handler.CreateMessage - setupRequestMessage was created successfully. setup request details(transactionId = [%s]): %+v", transactionId, setupRequestMessage)
+       messageChannel <- setupRequestMessage
 
        wg.Done()
 }
 
-func asn1bstringToString(val []byte, numBits uint) string {
-       // Take the last byte
-       c := val[len(val)-1]
-
-       b := numBits % 8
-
-       // If num bits is not evenly divisable by 8 ...
-       if b != 0 {
-               // ... shift the value to the higher bits (in our case: 0x0b -> 0xb0)
-               c <<= 8 - b
-       }
-
-       if len(val) == 1 {
-               return fmt.Sprintf("%02x", c)
-       }
-       return fmt.Sprintf("%02x%02x", val[:len(val)-1], c)
-}
-
 //Expected value in RIC_ID = pLMN_Identity-eNB_ID/<eNB_ID size in bits>
 //<6 hex digits>-<6 or 8 hex digits>/<18|20|21|28>
 //Each byte is represented by two hex digits, the value in the lowest byte of the eNB_ID must be assigned to the lowest bits
@@ -128,7 +102,7 @@ func parseRicID(ricId string) error {
                return fmt.Errorf("invalid value for %s, len(eNBId:%v) != 3 or 4", ENV_RIC_ID, eNBId)
        }
 
-       if eNBIdBitqty != shortMacro_eNB_ID && eNBIdBitqty != macro_eNB_ID && eNBIdBitqty != longMacro_eNB_ID && eNBIdBitqty != home_eNB_ID {
+       if eNBIdBitqty != e2pdus.ShortMacro_eNB_ID && eNBIdBitqty != e2pdus.Macro_eNB_ID && eNBIdBitqty != e2pdus.LongMacro_eNB_ID && eNBIdBitqty != e2pdus.Home_eNB_ID {
                return fmt.Errorf("invalid value for %s, eNBIdBitqty: %d", ENV_RIC_ID, eNBIdBitqty)
        }
 
@@ -141,11 +115,20 @@ func (SetupRequestHandler) GetMessageType() int {
 }
 
 func init() {
+       var err error
        ricId := os.Getenv(ENV_RIC_ID)
        //ricId="bbbccc-ffff0e/20"
        //ricId="bbbccc-abcd0e/20"
-       if err := parseRicID(ricId); err != nil {
+       if err = parseRicID(ricId); err != nil {
                panic(err)
        }
 
+       e2pdus.PackedEndcX2setupRequest,e2pdus.PackedEndcX2setupRequestAsString, err = e2pdus.PreparePackedEndcX2SetupRequest(MaxAsn1PackedBufferSize, MaxAsn1CodecMessageBufferSize,pLMNId, eNBId, eNBIdBitqty, ricFlag )
+       if err != nil{
+               panic(err)
+       }
+       e2pdus.PackedX2setupRequest,e2pdus.PackedX2setupRequestAsString, err = e2pdus.PreparePackedX2SetupRequest(MaxAsn1PackedBufferSize, MaxAsn1CodecMessageBufferSize,pLMNId, eNBId, eNBIdBitqty, ricFlag )
+       if err != nil{
+               panic(err)
+       }
 }