v1.0.0

transport/internet/headers/srtp/srtp.go

@@ -0,0 +1,37 @@
+package srtp
+
+import (
+	"context"
+	"encoding/binary"
+
+	"github.com/xtls/xray-core/v1/common"
+	"github.com/xtls/xray-core/v1/common/dice"
+)
+
+type SRTP struct {
+	header uint16
+	number uint16
+}
+
+func (*SRTP) Size() int32 {
+	return 4
+}
+
+// Serialize implements PacketHeader.
+func (s *SRTP) Serialize(b []byte) {
+	s.number++
+	binary.BigEndian.PutUint16(b, s.header)
+	binary.BigEndian.PutUint16(b[2:], s.number)
+}
+
+// New returns a new SRTP instance based on the given config.
+func New(ctx context.Context, config interface{}) (interface{}, error) {
+	return &SRTP{
+		header: 0xB5E8,
+		number: dice.RollUint16(),
+	}, nil
+}
+
+func init() {
+	common.Must(common.RegisterConfig((*Config)(nil), New))
+}