X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=E2Manager%2Fe2pdus%2Fx2_setup_requests.go;h=b22e59d3bc0d1d7e329dc48d4aba36c11f3aef4e;hb=5660067626f34d1fac7753ea4eb5c5c99f93192e;hp=938506bfa508ef874e959fe766b183c32d428b54;hpb=b2e5e2b6d746c95f64a68631bb41b2f63a247daf;p=ric-plt%2Fe2mgr.git

diff --git a/E2Manager/e2pdus/x2_setup_requests.go b/E2Manager/e2pdus/x2_setup_requests.go
index 938506b..b22e59d 100644
--- a/E2Manager/e2pdus/x2_setup_requests.go
+++ b/E2Manager/e2pdus/x2_setup_requests.go
@@ -25,10 +25,12 @@ import "C"
 import (
 	"fmt"
 	"github.com/pkg/errors"
+	"os"
 	"unsafe"
 )
 
 const (
+	EnvRicId          = "RIC_ID"
 	ShortMacro_eNB_ID = 18
 	Macro_eNB_ID      = 20
 	LongMacro_eNB_ID  = 21
@@ -40,7 +42,13 @@ var PackedX2setupRequest []byte
 var PackedEndcX2setupRequestAsString string
 var PackedX2setupRequestAsString string
 
-func PreparePackedEndcX2SetupRequest(maxAsn1PackedBufferSize int, maxAsn1CodecMessageBufferSize int, pLMNId []byte, eNB_Id []byte /*18, 20, 21, 28 bits length*/, bitqty uint, ricFlag []byte) ([]byte, string, error) {
+/*The Ric Id is the combination of pLMNId and ENBId*/
+var pLMNId []byte
+var eNBId []byte
+var eNBIdBitqty uint
+var ricFlag = []byte{0xbb, 0xbc, 0xcc} /*pLMNId [3]bytes*/
+
+func preparePackedEndcX2SetupRequest(maxAsn1PackedBufferSize int, maxAsn1CodecMessageBufferSize int, pLMNId []byte, eNB_Id []byte /*18, 20, 21, 28 bits length*/, bitqty uint, ricFlag []byte) ([]byte, string, error) {
 	packedBuf := make([]byte, maxAsn1PackedBufferSize)
 	errBuf := make([]C.char, maxAsn1CodecMessageBufferSize)
 	packedBufSize := C.ulong(len(packedBuf))
@@ -68,7 +76,7 @@ func PreparePackedEndcX2SetupRequest(maxAsn1PackedBufferSize int, maxAsn1CodecMe
 	return packedBuf[:packedBufSize], pduAsString, nil
 }
 
-func PreparePackedX2SetupRequest(maxAsn1PackedBufferSize int, maxAsn1CodecMessageBufferSize int, pLMNId []byte, eNB_Id []byte /*18, 20, 21, 28 bits length*/, bitqty uint, ricFlag []byte) ([]byte, string, error) {
+func preparePackedX2SetupRequest(maxAsn1PackedBufferSize int, maxAsn1CodecMessageBufferSize int, pLMNId []byte, eNB_Id []byte /*18, 20, 21, 28 bits length*/, bitqty uint, ricFlag []byte) ([]byte, string, error) {
 	packedBuf := make([]byte, maxAsn1PackedBufferSize)
 	errBuf := make([]C.char, maxAsn1CodecMessageBufferSize)
 	packedBufSize := C.ulong(len(packedBuf))
@@ -94,3 +102,46 @@ func PreparePackedX2SetupRequest(maxAsn1PackedBufferSize int, maxAsn1CodecMessag
 	}
 	return packedBuf[:packedBufSize], pduAsString, nil
 }
+
+//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
+//For example, to get the value of ffffeab/28  the last byte must be 0x0b, not 0xb0 (-ffffea0b/28).
+func parseRicID(ricId string) error {
+	if _, err := fmt.Sscanf(ricId, "%6x-%8x/%2d", &pLMNId, &eNBId, &eNBIdBitqty); err != nil {
+		return fmt.Errorf("unable to extract the value of %s: %s", EnvRicId, err)
+	}
+
+	if len(pLMNId) < 3 {
+		return fmt.Errorf("invalid value for %s, len(pLMNId:%v) != 3", EnvRicId, pLMNId)
+	}
+
+	if len(eNBId) < 3 {
+		return fmt.Errorf("invalid value for %s, len(eNBId:%v) != 3 or 4", EnvRicId, eNBId)
+	}
+
+	if eNBIdBitqty != ShortMacro_eNB_ID && eNBIdBitqty != Macro_eNB_ID && eNBIdBitqty != LongMacro_eNB_ID && eNBIdBitqty != Home_eNB_ID {
+		return fmt.Errorf("invalid value for %s, eNBIdBitqty: %d", EnvRicId, eNBIdBitqty)
+	}
+
+	return nil
+}
+
+func init() {
+	var err error
+	ricId := os.Getenv(EnvRicId)
+	//ricId="bbbccc-ffff0e/20"
+	//ricId="bbbccc-abcd0e/20"
+	if err = parseRicID(ricId); err != nil {
+		panic(err)
+	}
+
+	PackedEndcX2setupRequest, PackedEndcX2setupRequestAsString, err = preparePackedEndcX2SetupRequest(MaxAsn1PackedBufferSize, MaxAsn1CodecMessageBufferSize, pLMNId, eNBId, eNBIdBitqty, ricFlag)
+	if err != nil {
+		panic(err)
+	}
+	PackedX2setupRequest, PackedX2setupRequestAsString, err = preparePackedX2SetupRequest(MaxAsn1PackedBufferSize, MaxAsn1CodecMessageBufferSize, pLMNId, eNBId, eNBIdBitqty, ricFlag)
+	if err != nil {
+		panic(err)
+	}
+}