fea: openudp: update link state

pkg/database/utils.go

@@ -3,6 +3,8 @@ package database
 import (
 	"github.com/luscis/openlan/pkg/libol"
 	"github.com/ovn-org/libovsdb/ovsdb"
+	"strconv"
+	"strings"
 )
 
 func PrintError(result []ovsdb.OperationResult) {
@@ -17,3 +19,19 @@ func PrintError(result []ovsdb.OperationResult) {
 func GenUUID() string {
 	return libol.GenString(32)
 }
+
+func HasPrefix(value string, index int, dest string) bool {
+	if len(value) >= index {
+		return value[:index] == dest
+	}
+	return false
+}
+
+func GetAddrPort(conn string) (string, int) {
+	values := strings.SplitN(conn, ":", 2)
+	if len(values) == 2 {
+		port, _ := strconv.Atoi(values[1])
+		return values[0], port
+	}
+	return values[0], 0
+}