v1.0.0

transport/internet/headers/utp/config.pb.go

@@ -0,0 +1,158 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.25.0
+// 	protoc        v3.14.0
+// source: transport/internet/headers/utp/config.proto
+
+package utp
+
+import (
+	proto "github.com/golang/protobuf/proto"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// This is a compile-time assertion that a sufficiently up-to-date version
+// of the legacy proto package is being used.
+const _ = proto.ProtoPackageIsVersion4
+
+type Config struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Version uint32 `protobuf:"varint,1,opt,name=version,proto3" json:"version,omitempty"`
+}
+
+func (x *Config) Reset() {
+	*x = Config{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_transport_internet_headers_utp_config_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Config) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Config) ProtoMessage() {}
+
+func (x *Config) ProtoReflect() protoreflect.Message {
+	mi := &file_transport_internet_headers_utp_config_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Config.ProtoReflect.Descriptor instead.
+func (*Config) Descriptor() ([]byte, []int) {
+	return file_transport_internet_headers_utp_config_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Config) GetVersion() uint32 {
+	if x != nil {
+		return x.Version
+	}
+	return 0
+}
+
+var File_transport_internet_headers_utp_config_proto protoreflect.FileDescriptor
+
+var file_transport_internet_headers_utp_config_proto_rawDesc = []byte{
+	0x0a, 0x2b, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2f, 0x69, 0x6e, 0x74, 0x65,
+	0x72, 0x6e, 0x65, 0x74, 0x2f, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x73, 0x2f, 0x75, 0x74, 0x70,
+	0x2f, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x23, 0x78,
+	0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e,
+	0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x73, 0x2e, 0x75,
+	0x74, 0x70, 0x22, 0x22, 0x0a, 0x06, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x18, 0x0a, 0x07,
+	0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x07, 0x76,
+	0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x42, 0x8e, 0x01, 0x0a, 0x27, 0x63, 0x6f, 0x6d, 0x2e, 0x78,
+	0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e,
+	0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x73, 0x2e, 0x75,
+	0x74, 0x70, 0x50, 0x01, 0x5a, 0x3b, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d,
+	0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f,
+	0x76, 0x31, 0x2f, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2f, 0x69, 0x6e, 0x74,
+	0x65, 0x72, 0x6e, 0x65, 0x74, 0x2f, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x73, 0x2f, 0x75, 0x74,
+	0x70, 0xaa, 0x02, 0x23, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x54, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f,
+	0x72, 0x74, 0x2e, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x48, 0x65, 0x61, 0x64,
+	0x65, 0x72, 0x73, 0x2e, 0x55, 0x74, 0x70, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_transport_internet_headers_utp_config_proto_rawDescOnce sync.Once
+	file_transport_internet_headers_utp_config_proto_rawDescData = file_transport_internet_headers_utp_config_proto_rawDesc
+)
+
+func file_transport_internet_headers_utp_config_proto_rawDescGZIP() []byte {
+	file_transport_internet_headers_utp_config_proto_rawDescOnce.Do(func() {
+		file_transport_internet_headers_utp_config_proto_rawDescData = protoimpl.X.CompressGZIP(file_transport_internet_headers_utp_config_proto_rawDescData)
+	})
+	return file_transport_internet_headers_utp_config_proto_rawDescData
+}
+
+var file_transport_internet_headers_utp_config_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_transport_internet_headers_utp_config_proto_goTypes = []interface{}{
+	(*Config)(nil), // 0: xray.transport.internet.headers.utp.Config
+}
+var file_transport_internet_headers_utp_config_proto_depIdxs = []int32{
+	0, // [0:0] is the sub-list for method output_type
+	0, // [0:0] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_transport_internet_headers_utp_config_proto_init() }
+func file_transport_internet_headers_utp_config_proto_init() {
+	if File_transport_internet_headers_utp_config_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_transport_internet_headers_utp_config_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Config); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_transport_internet_headers_utp_config_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_transport_internet_headers_utp_config_proto_goTypes,
+		DependencyIndexes: file_transport_internet_headers_utp_config_proto_depIdxs,
+		MessageInfos:      file_transport_internet_headers_utp_config_proto_msgTypes,
+	}.Build()
+	File_transport_internet_headers_utp_config_proto = out.File
+	file_transport_internet_headers_utp_config_proto_rawDesc = nil
+	file_transport_internet_headers_utp_config_proto_goTypes = nil
+	file_transport_internet_headers_utp_config_proto_depIdxs = nil
+}

transport/internet/headers/utp/config.proto

@@ -0,0 +1,11 @@
+syntax = "proto3";
+
+package xray.transport.internet.headers.utp;
+option csharp_namespace = "Xray.Transport.Internet.Headers.Utp";
+option go_package = "github.com/xtls/xray-core/v1/transport/internet/headers/utp";
+option java_package = "com.xray.transport.internet.headers.utp";
+option java_multiple_files = true;
+
+message Config {
+  uint32 version = 1;
+}

transport/internet/headers/utp/utp.go

@@ -0,0 +1,39 @@
+package utp
+
+import (
+	"context"
+	"encoding/binary"
+
+	"github.com/xtls/xray-core/v1/common"
+	"github.com/xtls/xray-core/v1/common/dice"
+)
+
+type UTP struct {
+	header       byte
+	extension    byte
+	connectionID uint16
+}
+
+func (*UTP) Size() int32 {
+	return 4
+}
+
+// Serialize implements PacketHeader.
+func (u *UTP) Serialize(b []byte) {
+	binary.BigEndian.PutUint16(b, u.connectionID)
+	b[2] = u.header
+	b[3] = u.extension
+}
+
+// New creates a new UTP header for the given config.
+func New(ctx context.Context, config interface{}) (interface{}, error) {
+	return &UTP{
+		header:       1,
+		extension:    0,
+		connectionID: dice.RollUint16(),
+	}, nil
+}
+
+func init() {
+	common.Must(common.RegisterConfig((*Config)(nil), New))
+}

transport/internet/headers/utp/utp_test.go

@@ -0,0 +1,26 @@
+package utp_test
+
+import (
+	"context"
+	"testing"
+
+	"github.com/xtls/xray-core/v1/common"
+	"github.com/xtls/xray-core/v1/common/buf"
+	. "github.com/xtls/xray-core/v1/transport/internet/headers/utp"
+)
+
+func TestUTPWrite(t *testing.T) {
+	content := []byte{'a', 'b', 'c', 'd', 'e', 'f', 'g'}
+	utpRaw, err := New(context.Background(), &Config{})
+	common.Must(err)
+
+	utp := utpRaw.(*UTP)
+
+	payload := buf.New()
+	utp.Serialize(payload.Extend(utp.Size()))
+	payload.Write(content)
+
+	if payload.Len() != int32(len(content))+utp.Size() {
+		t.Error("unexpected payload length: ", payload.Len())
+	}
+}