added V2 protobuf extensions

common/protoext/errors.generated.go

@@ -0,0 +1,9 @@
+package protoext
+
+import "github.com/v2fly/v2ray-core/v4/common/errors"
+
+type errPathObjHolder struct{}
+
+func newError(values ...interface{}) *errors.Error {
+	return errors.New(values...).WithPathObj(errPathObjHolder{})
+}

common/protoext/extensions.go

@@ -0,0 +1,31 @@
+package protoext
+
+import (
+	"github.com/golang/protobuf/proto"
+	"google.golang.org/protobuf/reflect/protoreflect"
+	"google.golang.org/protobuf/types/descriptorpb"
+)
+
+//go:generate go run github.com/v2fly/v2ray-core/v4/common/errors/errorgen
+
+func GetMessageOptions(msgDesc protoreflect.MessageDescriptor) (*MessageOpt, error) {
+	msgOpt := msgDesc.Options().(*descriptorpb.MessageOptions)
+	var V2MessageOption *MessageOpt
+	if msgOptRet, err := proto.GetExtension(msgOpt, E_MessageOpt); err != nil {
+		return nil, newError("unable to parse extension from message").Base(err)
+	} else {
+		V2MessageOption = msgOptRet.(*MessageOpt)
+	}
+	return V2MessageOption, nil
+}
+
+func GetFieldOptions(fieldDesc protoreflect.FieldDescriptor) (*FieldOpt, error) {
+	fieldOpt := fieldDesc.Options().(*descriptorpb.FieldOptions)
+	var V2FieldOption *FieldOpt
+	if msgOptRet, err := proto.GetExtension(fieldOpt, E_FieldOpt); err != nil {
+		return nil, newError("unable to parse extension from message").Base(err)
+	} else {
+		V2FieldOption = msgOptRet.(*FieldOpt)
+	}
+	return V2FieldOption, nil
+}

common/protoext/extensions.pb.go

@@ -0,0 +1,298 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.15.6
+// source: common/protoext/extensions.proto
+
+package protoext
+
+import (
+	descriptor "github.com/golang/protobuf/protoc-gen-go/descriptor"
+	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)
+)
+
+type MessageOpt struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Type      []string `protobuf:"bytes,1,rep,name=type,proto3" json:"type,omitempty"`
+	ShortName []string `protobuf:"bytes,2,rep,name=short_name,json=shortName,proto3" json:"short_name,omitempty"`
+}
+
+func (x *MessageOpt) Reset() {
+	*x = MessageOpt{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_common_protoext_extensions_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *MessageOpt) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*MessageOpt) ProtoMessage() {}
+
+func (x *MessageOpt) ProtoReflect() protoreflect.Message {
+	mi := &file_common_protoext_extensions_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 MessageOpt.ProtoReflect.Descriptor instead.
+func (*MessageOpt) Descriptor() ([]byte, []int) {
+	return file_common_protoext_extensions_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *MessageOpt) GetType() []string {
+	if x != nil {
+		return x.Type
+	}
+	return nil
+}
+
+func (x *MessageOpt) GetShortName() []string {
+	if x != nil {
+		return x.ShortName
+	}
+	return nil
+}
+
+type FieldOpt struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	AnyWants          []string `protobuf:"bytes,1,rep,name=any_wants,json=anyWants,proto3" json:"any_wants,omitempty"`
+	AllowedValues     []string `protobuf:"bytes,2,rep,name=allowed_values,json=allowedValues,proto3" json:"allowed_values,omitempty"`
+	AllowedValueTypes []string `protobuf:"bytes,3,rep,name=allowed_value_types,json=allowedValueTypes,proto3" json:"allowed_value_types,omitempty"`
+}
+
+func (x *FieldOpt) Reset() {
+	*x = FieldOpt{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_common_protoext_extensions_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *FieldOpt) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*FieldOpt) ProtoMessage() {}
+
+func (x *FieldOpt) ProtoReflect() protoreflect.Message {
+	mi := &file_common_protoext_extensions_proto_msgTypes[1]
+	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 FieldOpt.ProtoReflect.Descriptor instead.
+func (*FieldOpt) Descriptor() ([]byte, []int) {
+	return file_common_protoext_extensions_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *FieldOpt) GetAnyWants() []string {
+	if x != nil {
+		return x.AnyWants
+	}
+	return nil
+}
+
+func (x *FieldOpt) GetAllowedValues() []string {
+	if x != nil {
+		return x.AllowedValues
+	}
+	return nil
+}
+
+func (x *FieldOpt) GetAllowedValueTypes() []string {
+	if x != nil {
+		return x.AllowedValueTypes
+	}
+	return nil
+}
+
+var file_common_protoext_extensions_proto_extTypes = []protoimpl.ExtensionInfo{
+	{
+		ExtendedType:  (*descriptor.MessageOptions)(nil),
+		ExtensionType: (*MessageOpt)(nil),
+		Field:         50000,
+		Name:          "v2ray.core.common.protoext.message_opt",
+		Tag:           "bytes,50000,opt,name=message_opt",
+		Filename:      "common/protoext/extensions.proto",
+	},
+	{
+		ExtendedType:  (*descriptor.FieldOptions)(nil),
+		ExtensionType: (*FieldOpt)(nil),
+		Field:         50000,
+		Name:          "v2ray.core.common.protoext.field_opt",
+		Tag:           "bytes,50000,opt,name=field_opt",
+		Filename:      "common/protoext/extensions.proto",
+	},
+}
+
+// Extension fields to descriptor.MessageOptions.
+var (
+	// optional v2ray.core.common.protoext.MessageOpt message_opt = 50000;
+	E_MessageOpt = &file_common_protoext_extensions_proto_extTypes[0]
+)
+
+// Extension fields to descriptor.FieldOptions.
+var (
+	// optional v2ray.core.common.protoext.FieldOpt field_opt = 50000;
+	E_FieldOpt = &file_common_protoext_extensions_proto_extTypes[1]
+)
+
+var File_common_protoext_extensions_proto protoreflect.FileDescriptor
+
+var file_common_protoext_extensions_proto_rawDesc = []byte{
+	0x0a, 0x20, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x65, 0x78,
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+	0x74, 0x6f, 0x65, 0x78, 0x74, 0xaa, 0x02, 0x1a, 0x56, 0x32, 0x52, 0x61, 0x79, 0x2e, 0x43, 0x6f,
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+	0x78, 0x74, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_common_protoext_extensions_proto_rawDescOnce sync.Once
+	file_common_protoext_extensions_proto_rawDescData = file_common_protoext_extensions_proto_rawDesc
+)
+
+func file_common_protoext_extensions_proto_rawDescGZIP() []byte {
+	file_common_protoext_extensions_proto_rawDescOnce.Do(func() {
+		file_common_protoext_extensions_proto_rawDescData = protoimpl.X.CompressGZIP(file_common_protoext_extensions_proto_rawDescData)
+	})
+	return file_common_protoext_extensions_proto_rawDescData
+}
+
+var file_common_protoext_extensions_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_common_protoext_extensions_proto_goTypes = []interface{}{
+	(*MessageOpt)(nil),                // 0: v2ray.core.common.protoext.MessageOpt
+	(*FieldOpt)(nil),                  // 1: v2ray.core.common.protoext.FieldOpt
+	(*descriptor.MessageOptions)(nil), // 2: google.protobuf.MessageOptions
+	(*descriptor.FieldOptions)(nil),   // 3: google.protobuf.FieldOptions
+}
+var file_common_protoext_extensions_proto_depIdxs = []int32{
+	2, // 0: v2ray.core.common.protoext.message_opt:extendee -> google.protobuf.MessageOptions
+	3, // 1: v2ray.core.common.protoext.field_opt:extendee -> google.protobuf.FieldOptions
+	0, // 2: v2ray.core.common.protoext.message_opt:type_name -> v2ray.core.common.protoext.MessageOpt
+	1, // 3: v2ray.core.common.protoext.field_opt:type_name -> v2ray.core.common.protoext.FieldOpt
+	4, // [4:4] is the sub-list for method output_type
+	4, // [4:4] is the sub-list for method input_type
+	2, // [2:4] is the sub-list for extension type_name
+	0, // [0:2] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_common_protoext_extensions_proto_init() }
+func file_common_protoext_extensions_proto_init() {
+	if File_common_protoext_extensions_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_common_protoext_extensions_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*MessageOpt); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_common_protoext_extensions_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*FieldOpt); 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_common_protoext_extensions_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 2,
+			NumServices:   0,
+		},
+		GoTypes:           file_common_protoext_extensions_proto_goTypes,
+		DependencyIndexes: file_common_protoext_extensions_proto_depIdxs,
+		MessageInfos:      file_common_protoext_extensions_proto_msgTypes,
+		ExtensionInfos:    file_common_protoext_extensions_proto_extTypes,
+	}.Build()
+	File_common_protoext_extensions_proto = out.File
+	file_common_protoext_extensions_proto_rawDesc = nil
+	file_common_protoext_extensions_proto_goTypes = nil
+	file_common_protoext_extensions_proto_depIdxs = nil
+}

common/protoext/extensions.proto

@@ -0,0 +1,28 @@
+syntax = "proto3";
+
+package v2ray.core.common.protoext;
+option csharp_namespace = "V2Ray.Core.Common.ProtoExt";
+option go_package = "github.com/v2fly/v2ray-core/v4/common/protoext";
+option java_package = "com.v2ray.core.common.protoext";
+option java_multiple_files = true;
+
+import "common/protoext/descriptor.proto";
+
+extend google.protobuf.MessageOptions {
+  MessageOpt message_opt = 50000;
+}
+
+extend google.protobuf.FieldOptions {
+  FieldOpt field_opt = 50000;
+}
+
+message MessageOpt{
+  repeated string type = 1;
+  repeated string short_name = 2;
+}
+
+message FieldOpt{
+  repeated string any_wants = 1;
+  repeated string allowed_values = 2;
+  repeated string allowed_value_types = 3;
+}

common/protoext/testing/extension_test.go

@@ -0,0 +1,28 @@
+package testing
+
+import (
+	"github.com/stretchr/testify/assert"
+	"github.com/v2fly/v2ray-core/v4/common/protoext"
+	"google.golang.org/protobuf/reflect/protoreflect"
+	"testing"
+)
+
+func TestMessageOpt(t *testing.T) {
+	msg := TestingMessage{}
+	opt, err := protoext.GetMessageOptions(msg.ProtoReflect().Descriptor())
+	assert.Nil(t, err)
+	assert.EqualValues(t, []string{"demo", "demo2"}, opt.Type)
+}
+
+func TestFieldOpt(t *testing.T) {
+	msg := TestingMessage{
+		TestField: "Test",
+	}
+	msgreflect := msg.ProtoReflect()
+	msgreflect.Range(func(descriptor protoreflect.FieldDescriptor, value protoreflect.Value) bool {
+		opt, err := protoext.GetFieldOptions(descriptor)
+		assert.Nil(t, err)
+		assert.EqualValues(t, []string{"test", "test2"}, opt.AllowedValues)
+		return true
+	})
+}

common/protoext/testing/test.pb.go

@@ -0,0 +1,159 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.15.6
+// source: common/protoext/testing/test.proto
+
+package testing
+
+import (
+	_ "github.com/v2fly/v2ray-core/v4/common/protoext"
+	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)
+)
+
+type TestingMessage struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	TestField string `protobuf:"bytes,1,opt,name=test_field,json=testField,proto3" json:"test_field,omitempty"`
+}
+
+func (x *TestingMessage) Reset() {
+	*x = TestingMessage{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_common_protoext_testing_test_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *TestingMessage) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*TestingMessage) ProtoMessage() {}
+
+func (x *TestingMessage) ProtoReflect() protoreflect.Message {
+	mi := &file_common_protoext_testing_test_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 TestingMessage.ProtoReflect.Descriptor instead.
+func (*TestingMessage) Descriptor() ([]byte, []int) {
+	return file_common_protoext_testing_test_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *TestingMessage) GetTestField() string {
+	if x != nil {
+		return x.TestField
+	}
+	return ""
+}
+
+var File_common_protoext_testing_test_proto protoreflect.FileDescriptor
+
+var file_common_protoext_testing_test_proto_rawDesc = []byte{
+	0x0a, 0x22, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x65, 0x78,
+	0x74, 0x2f, 0x74, 0x65, 0x73, 0x74, 0x69, 0x6e, 0x67, 0x2f, 0x74, 0x65, 0x73, 0x74, 0x2e, 0x70,
+	0x72, 0x6f, 0x74, 0x6f, 0x12, 0x22, 0x76, 0x32, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x72, 0x65,
+	0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x65, 0x78, 0x74,
+	0x2e, 0x74, 0x65, 0x73, 0x74, 0x69, 0x6e, 0x67, 0x1a, 0x20, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e,
+	0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x65, 0x78, 0x74, 0x2f, 0x65, 0x78, 0x74, 0x65, 0x6e, 0x73,
+	0x69, 0x6f, 0x6e, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x5d, 0x0a, 0x0e, 0x54, 0x65,
+	0x73, 0x74, 0x69, 0x6e, 0x67, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x12, 0x34, 0x0a, 0x0a,
+	0x74, 0x65, 0x73, 0x74, 0x5f, 0x66, 0x69, 0x65, 0x6c, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09,
+	0x42, 0x15, 0x82, 0xb5, 0x18, 0x06, 0x12, 0x04, 0x74, 0x65, 0x73, 0x74, 0x82, 0xb5, 0x18, 0x07,
+	0x12, 0x05, 0x74, 0x65, 0x73, 0x74, 0x32, 0x52, 0x09, 0x74, 0x65, 0x73, 0x74, 0x46, 0x69, 0x65,
+	0x6c, 0x64, 0x3a, 0x15, 0x82, 0xb5, 0x18, 0x06, 0x0a, 0x04, 0x64, 0x65, 0x6d, 0x6f, 0x82, 0xb5,
+	0x18, 0x07, 0x0a, 0x05, 0x64, 0x65, 0x6d, 0x6f, 0x32, 0x42, 0x84, 0x01, 0x0a, 0x26, 0x63, 0x6f,
+	0x6d, 0x2e, 0x76, 0x32, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x72, 0x65, 0x2e, 0x63, 0x6f, 0x6d,
+	0x6d, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x65, 0x78, 0x74, 0x2e, 0x74, 0x65, 0x73,
+	0x74, 0x69, 0x6e, 0x67, 0x50, 0x01, 0x5a, 0x33, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63,
+	0x6f, 0x6d, 0x2f, 0x76, 0x32, 0x66, 0x6c, 0x79, 0x2f, 0x76, 0x32, 0x72, 0x61, 0x79, 0x2d, 0x63,
+	0x6f, 0x72, 0x65, 0x2f, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x65, 0x78, 0x74, 0x2f, 0x74, 0x65, 0x73, 0x74, 0x69, 0x6e, 0x67, 0xaa, 0x02, 0x22, 0x56, 0x32,
+	0x52, 0x61, 0x79, 0x2e, 0x43, 0x6f, 0x72, 0x65, 0x2e, 0x43, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e,
+	0x50, 0x72, 0x6f, 0x74, 0x6f, 0x45, 0x78, 0x74, 0x2e, 0x54, 0x65, 0x73, 0x74, 0x69, 0x6e, 0x67,
+	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_common_protoext_testing_test_proto_rawDescOnce sync.Once
+	file_common_protoext_testing_test_proto_rawDescData = file_common_protoext_testing_test_proto_rawDesc
+)
+
+func file_common_protoext_testing_test_proto_rawDescGZIP() []byte {
+	file_common_protoext_testing_test_proto_rawDescOnce.Do(func() {
+		file_common_protoext_testing_test_proto_rawDescData = protoimpl.X.CompressGZIP(file_common_protoext_testing_test_proto_rawDescData)
+	})
+	return file_common_protoext_testing_test_proto_rawDescData
+}
+
+var file_common_protoext_testing_test_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_common_protoext_testing_test_proto_goTypes = []interface{}{
+	(*TestingMessage)(nil), // 0: v2ray.core.common.protoext.testing.TestingMessage
+}
+var file_common_protoext_testing_test_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_common_protoext_testing_test_proto_init() }
+func file_common_protoext_testing_test_proto_init() {
+	if File_common_protoext_testing_test_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_common_protoext_testing_test_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*TestingMessage); 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_common_protoext_testing_test_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_common_protoext_testing_test_proto_goTypes,
+		DependencyIndexes: file_common_protoext_testing_test_proto_depIdxs,
+		MessageInfos:      file_common_protoext_testing_test_proto_msgTypes,
+	}.Build()
+	File_common_protoext_testing_test_proto = out.File
+	file_common_protoext_testing_test_proto_rawDesc = nil
+	file_common_protoext_testing_test_proto_goTypes = nil
+	file_common_protoext_testing_test_proto_depIdxs = nil
+}

common/protoext/testing/test.proto

@@ -0,0 +1,18 @@
+syntax = "proto3";
+
+package v2ray.core.common.protoext.testing;
+option csharp_namespace = "V2Ray.Core.Common.ProtoExt.Testing";
+option go_package = "github.com/v2fly/v2ray-core/common/protoext/testing";
+option java_package = "com.v2ray.core.common.protoext.testing";
+option java_multiple_files = true;
+
+import "common/protoext/extensions.proto";
+
+message TestingMessage{
+  option (v2ray.core.common.protoext.message_opt).type = "demo";
+  option (v2ray.core.common.protoext.message_opt).type = "demo2";
+
+  string test_field = 1
+  [(v2ray.core.common.protoext.field_opt).allowed_values = "test",
+    (v2ray.core.common.protoext.field_opt).allowed_values = "test2"];
+}