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Add gRPC Transport support (#356) 

Co-authored-by: JimhHan <50871214+JimhHan@users.noreply.github.com>
This commit is contained in:
RPRX 2021-03-14 15:02:07 +00:00 committed by GitHub
parent 60b06877bf
commit a0a32ee00d
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
23 changed files with 1564 additions and 4 deletions
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16
common/buf/buffer.go
View File

@ -31,6 +31,22 @@ func New() *Buffer {
}
}
func NewExisted(b []byte) *Buffer {
if cap(b) < Size {
panic("Invalid buffer")
}
oLen := len(b)
if oLen < Size {
b = append(b, make([]byte, Size-oLen)...)
}
return &Buffer{
v: b,
end: int32(oLen),
}
}
// StackNew creates a new Buffer object on stack.
// This method is for buffers that is released in the same function.
func StackNew() Buffer {

16
infra/conf/grpc.go Normal file
View File

@ -0,0 +1,16 @@
package conf
import (
"github.com/golang/protobuf/proto"
"github.com/xtls/xray-core/transport/internet/grpc"
)
type GRPCConfig struct {
ServiceName string `json:"serviceName"`
MultiMode bool `json:"multiMode"`
}
func (g GRPCConfig) Build() (proto.Message, error) {
return &grpc.Config{ServiceName: g.ServiceName, MultiMode: g.MultiMode}, nil
}

16
infra/conf/transport.go
View File

@ -13,6 +13,8 @@ type TransportConfig struct {
HTTPConfig *HTTPConfig `json:"httpSettings"`
DSConfig *DomainSocketConfig `json:"dsSettings"`
QUICConfig *QUICConfig `json:"quicSettings"`
GRPCConfig *GRPCConfig `json:"grpcSettings"`
GUNConfig *GRPCConfig `json:"gunSettings"`
}
// Build implements Buildable.
@ -85,5 +87,19 @@ func (c *TransportConfig) Build() (*global.Config, error) {
})
}
if c.GRPCConfig == nil {
c.GRPCConfig = c.GUNConfig
}
if c.GRPCConfig != nil {
gs, err := c.GRPCConfig.Build()
if err != nil {
return nil, newError("Failed to build gRPC config.").Base(err)
}
config.TransportSettings = append(config.TransportSettings, &internet.TransportConfig{
ProtocolName: "grpc",
Settings: serial.ToTypedMessage(gs),
})
}
return config, nil
}

17
infra/conf/transport_internet.go
View File

@ -458,6 +458,8 @@ func (p TransportProtocol) Build() (string, error) {
return "domainsocket", nil
case "quic":
return "quic", nil
case "grpc", "gun":
return "grpc", nil
default:
return "", newError("Config: unknown transport protocol: ", p)
}
@ -534,6 +536,8 @@ type StreamConfig struct {
DSSettings *DomainSocketConfig `json:"dsSettings"`
QUICSettings *QUICConfig `json:"quicSettings"`
SocketSettings *SocketConfig `json:"sockopt"`
GRPCConfig *GRPCConfig `json:"grpcSettings"`
GUNConfig *GRPCConfig `json:"gunSettings"`
}
// Build implements Buildable.
@ -643,6 +647,19 @@ func (c *StreamConfig) Build() (*internet.StreamConfig, error) {
Settings: serial.ToTypedMessage(qs),
})
}
if c.GRPCConfig == nil {
c.GRPCConfig = c.GUNConfig
}
if c.GRPCConfig != nil {
gs, err := c.GRPCConfig.Build()
if err != nil {
return nil, newError("Failed to build gRPC config.").Base(err)
}
config.TransportSettings = append(config.TransportSettings, &internet.TransportConfig{
ProtocolName: "grpc",
Settings: serial.ToTypedMessage(gs),
})
}
if c.SocketSettings != nil {
ss, err := c.SocketSettings.Build()
if err != nil {

30
infra/conf/transport_test.go
View File

@ -10,6 +10,7 @@ import (
. "github.com/xtls/xray-core/infra/conf"
"github.com/xtls/xray-core/transport/global"
"github.com/xtls/xray-core/transport/internet"
"github.com/xtls/xray-core/transport/internet/grpc"
"github.com/xtls/xray-core/transport/internet/headers/http"
"github.com/xtls/xray-core/transport/internet/headers/noop"
"github.com/xtls/xray-core/transport/internet/headers/tls"
@ -120,6 +121,10 @@ func TestTransportConfig(t *testing.T) {
"header": {
"type": "dtls"
}
},
"grpcSettings": {
"serviceName": "name",
"multiMode": true
}
}`,
Parser: createParser(),
@ -190,6 +195,31 @@ func TestTransportConfig(t *testing.T) {
Header: serial.ToTypedMessage(&tls.PacketConfig{}),
}),
},
{
ProtocolName: "grpc",
Settings: serial.ToTypedMessage(&grpc.Config{
ServiceName: "name",
MultiMode: true,
}),
},
},
},
},
{
Input: `{
"gunSettings": {
"serviceName": "name"
}
}`,
Parser: createParser(),
Output: &global.Config{
TransportSettings: []*internet.TransportConfig{
{
ProtocolName: "grpc",
Settings: serial.ToTypedMessage(&grpc.Config{
ServiceName: "name",
}),
},
},
},
},

1
main/distro/all/all.go
View File

@ -40,6 +40,7 @@ import (
// Transports
_ "github.com/xtls/xray-core/transport/internet/domainsocket"
_ "github.com/xtls/xray-core/transport/internet/grpc"
_ "github.com/xtls/xray-core/transport/internet/http"
_ "github.com/xtls/xray-core/transport/internet/kcp"
_ "github.com/xtls/xray-core/transport/internet/quic"

237
testing/scenarios/tls_test.go
View File

@ -24,6 +24,7 @@ import (
"github.com/xtls/xray-core/testing/servers/tcp"
"github.com/xtls/xray-core/testing/servers/udp"
"github.com/xtls/xray-core/transport/internet"
"github.com/xtls/xray-core/transport/internet/grpc"
"github.com/xtls/xray-core/transport/internet/http"
"github.com/xtls/xray-core/transport/internet/tls"
"github.com/xtls/xray-core/transport/internet/websocket"
@ -589,3 +590,239 @@ func TestHTTP2(t *testing.T) {
t.Error(err)
}
}
func TestGRPC(t *testing.T) {
tcpServer := tcp.Server{
MsgProcessor: xor,
}
dest, err := tcpServer.Start()
common.Must(err)
defer tcpServer.Close()
userID := protocol.NewID(uuid.New())
serverPort := tcp.PickPort()
serverConfig := &core.Config{
Inbound: []*core.InboundHandlerConfig{
{
ReceiverSettings: serial.ToTypedMessage(&proxyman.ReceiverConfig{
PortRange: net.SinglePortRange(serverPort),
Listen: net.NewIPOrDomain(net.LocalHostIP),
StreamSettings: &internet.StreamConfig{
ProtocolName: "grpc",
TransportSettings: []*internet.TransportConfig{
{
ProtocolName: "grpc",
Settings: serial.ToTypedMessage(&grpc.Config{ServiceName: "🍉"}),
},
},
SecurityType: serial.GetMessageType(&tls.Config{}),
SecuritySettings: []*serial.TypedMessage{
serial.ToTypedMessage(&tls.Config{
Certificate: []*tls.Certificate{tls.ParseCertificate(cert.MustGenerate(nil))},
}),
},
},
}),
ProxySettings: serial.ToTypedMessage(&inbound.Config{
User: []*protocol.User{
{
Account: serial.ToTypedMessage(&vmess.Account{
Id: userID.String(),
}),
},
},
}),
},
},
Outbound: []*core.OutboundHandlerConfig{
{
ProxySettings: serial.ToTypedMessage(&freedom.Config{}),
},
},
}
clientPort := tcp.PickPort()
clientConfig := &core.Config{
Inbound: []*core.InboundHandlerConfig{
{
ReceiverSettings: serial.ToTypedMessage(&proxyman.ReceiverConfig{
PortRange: net.SinglePortRange(clientPort),
Listen: net.NewIPOrDomain(net.LocalHostIP),
}),
ProxySettings: serial.ToTypedMessage(&dokodemo.Config{
Address: net.NewIPOrDomain(dest.Address),
Port: uint32(dest.Port),
NetworkList: &net.NetworkList{
Network: []net.Network{net.Network_TCP},
},
}),
},
},
Outbound: []*core.OutboundHandlerConfig{
{
ProxySettings: serial.ToTypedMessage(&outbound.Config{
Receiver: []*protocol.ServerEndpoint{
{
Address: net.NewIPOrDomain(net.LocalHostIP),
Port: uint32(serverPort),
User: []*protocol.User{
{
Account: serial.ToTypedMessage(&vmess.Account{
Id: userID.String(),
}),
},
},
},
},
}),
SenderSettings: serial.ToTypedMessage(&proxyman.SenderConfig{
StreamSettings: &internet.StreamConfig{
ProtocolName: "grpc",
TransportSettings: []*internet.TransportConfig{
{
ProtocolName: "grpc",
Settings: serial.ToTypedMessage(&grpc.Config{ServiceName: "🍉"}),
},
},
SecurityType: serial.GetMessageType(&tls.Config{}),
SecuritySettings: []*serial.TypedMessage{
serial.ToTypedMessage(&tls.Config{
AllowInsecure: true,
}),
},
},
}),
},
},
}
servers, err := InitializeServerConfigs(serverConfig, clientConfig)
common.Must(err)
defer CloseAllServers(servers)
var errg errgroup.Group
for i := 0; i < 10; i++ {
errg.Go(testTCPConn(clientPort, 1024*10240, time.Second*40))
}
if err := errg.Wait(); err != nil {
t.Error(err)
}
}
func TestGRPCMultiMode(t *testing.T) {
tcpServer := tcp.Server{
MsgProcessor: xor,
}
dest, err := tcpServer.Start()
common.Must(err)
defer tcpServer.Close()
userID := protocol.NewID(uuid.New())
serverPort := tcp.PickPort()
serverConfig := &core.Config{
Inbound: []*core.InboundHandlerConfig{
{
ReceiverSettings: serial.ToTypedMessage(&proxyman.ReceiverConfig{
PortRange: net.SinglePortRange(serverPort),
Listen: net.NewIPOrDomain(net.LocalHostIP),
StreamSettings: &internet.StreamConfig{
ProtocolName: "grpc",
TransportSettings: []*internet.TransportConfig{
{
ProtocolName: "grpc",
Settings: serial.ToTypedMessage(&grpc.Config{ServiceName: "🍉"}),
},
},
SecurityType: serial.GetMessageType(&tls.Config{}),
SecuritySettings: []*serial.TypedMessage{
serial.ToTypedMessage(&tls.Config{
Certificate: []*tls.Certificate{tls.ParseCertificate(cert.MustGenerate(nil))},
}),
},
},
}),
ProxySettings: serial.ToTypedMessage(&inbound.Config{
User: []*protocol.User{
{
Account: serial.ToTypedMessage(&vmess.Account{
Id: userID.String(),
}),
},
},
}),
},
},
Outbound: []*core.OutboundHandlerConfig{
{
ProxySettings: serial.ToTypedMessage(&freedom.Config{}),
},
},
}
clientPort := tcp.PickPort()
clientConfig := &core.Config{
Inbound: []*core.InboundHandlerConfig{
{
ReceiverSettings: serial.ToTypedMessage(&proxyman.ReceiverConfig{
PortRange: net.SinglePortRange(clientPort),
Listen: net.NewIPOrDomain(net.LocalHostIP),
}),
ProxySettings: serial.ToTypedMessage(&dokodemo.Config{
Address: net.NewIPOrDomain(dest.Address),
Port: uint32(dest.Port),
NetworkList: &net.NetworkList{
Network: []net.Network{net.Network_TCP},
},
}),
},
},
Outbound: []*core.OutboundHandlerConfig{
{
ProxySettings: serial.ToTypedMessage(&outbound.Config{
Receiver: []*protocol.ServerEndpoint{
{
Address: net.NewIPOrDomain(net.LocalHostIP),
Port: uint32(serverPort),
User: []*protocol.User{
{
Account: serial.ToTypedMessage(&vmess.Account{
Id: userID.String(),
}),
},
},
},
},
}),
SenderSettings: serial.ToTypedMessage(&proxyman.SenderConfig{
StreamSettings: &internet.StreamConfig{
ProtocolName: "grpc",
TransportSettings: []*internet.TransportConfig{
{
ProtocolName: "grpc",
Settings: serial.ToTypedMessage(&grpc.Config{ServiceName: "🍉", MultiMode: true}),
},
},
SecurityType: serial.GetMessageType(&tls.Config{}),
SecuritySettings: []*serial.TypedMessage{
serial.ToTypedMessage(&tls.Config{
AllowInsecure: true,
}),
},
},
}),
},
},
}
servers, err := InitializeServerConfigs(serverConfig, clientConfig)
common.Must(err)
defer CloseAllServers(servers)
var errg errgroup.Group
for i := 0; i < 10; i++ {
errg.Go(testTCPConn(clientPort, 1024*10240, time.Second*40))
}
if err := errg.Wait(); err != nil {
t.Error(err)
}
}

14
transport/internet/grpc/config.go Normal file
View File

@ -0,0 +1,14 @@
package grpc
import (
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/transport/internet"
)
const protocolName = "grpc"
func init() {
common.Must(internet.RegisterProtocolConfigCreator(protocolName, func() interface{} {
return new(Config)
}))
}

172
transport/internet/grpc/config.pb.go Normal file
View File

@ -0,0 +1,172 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.25.0
// protoc v3.15.6
// source: transport/internet/grpc/config.proto
package grpc
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
Host string `protobuf:"bytes,1,opt,name=host,proto3" json:"host,omitempty"`
ServiceName string `protobuf:"bytes,2,opt,name=service_name,json=serviceName,proto3" json:"service_name,omitempty"`
MultiMode bool `protobuf:"varint,3,opt,name=multi_mode,json=multiMode,proto3" json:"multi_mode,omitempty"`
}
func (x *Config) Reset() {
*x = Config{}
if protoimpl.UnsafeEnabled {
mi := &file_transport_internet_grpc_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_grpc_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_grpc_config_proto_rawDescGZIP(), []int{0}
}
func (x *Config) GetHost() string {
if x != nil {
return x.Host
}
return ""
}
func (x *Config) GetServiceName() string {
if x != nil {
return x.ServiceName
}
return ""
}
func (x *Config) GetMultiMode() bool {
if x != nil {
return x.MultiMode
}
return false
}
var File_transport_internet_grpc_config_proto protoreflect.FileDescriptor
var file_transport_internet_grpc_config_proto_rawDesc = []byte{
0x0a, 0x24, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2f, 0x69, 0x6e, 0x74, 0x65,
0x72, 0x6e, 0x65, 0x74, 0x2f, 0x67, 0x72, 0x70, 0x63, 0x2f, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67,
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0x67, 0x72, 0x70, 0x63, 0x2e, 0x65, 0x6e, 0x63, 0x6f, 0x64, 0x69, 0x6e, 0x67, 0x22, 0x5e, 0x0a,
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0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28,
0x09, 0x52, 0x0b, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x1d,
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0x31, 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, 0x74, 0x72, 0x61, 0x6e, 0x73,
0x70, 0x6f, 0x72, 0x74, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2f, 0x67, 0x72,
0x70, 0x63, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
}
var (
file_transport_internet_grpc_config_proto_rawDescOnce sync.Once
file_transport_internet_grpc_config_proto_rawDescData = file_transport_internet_grpc_config_proto_rawDesc
)
func file_transport_internet_grpc_config_proto_rawDescGZIP() []byte {
file_transport_internet_grpc_config_proto_rawDescOnce.Do(func() {
file_transport_internet_grpc_config_proto_rawDescData = protoimpl.X.CompressGZIP(file_transport_internet_grpc_config_proto_rawDescData)
})
return file_transport_internet_grpc_config_proto_rawDescData
}
var file_transport_internet_grpc_config_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
var file_transport_internet_grpc_config_proto_goTypes = []interface{}{
(*Config)(nil), // 0: xray.transport.internet.grpc.encoding.Config
}
var file_transport_internet_grpc_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_grpc_config_proto_init() }
func file_transport_internet_grpc_config_proto_init() {
if File_transport_internet_grpc_config_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_transport_internet_grpc_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_grpc_config_proto_rawDesc,
NumEnums: 0,
NumMessages: 1,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_transport_internet_grpc_config_proto_goTypes,
DependencyIndexes: file_transport_internet_grpc_config_proto_depIdxs,
MessageInfos: file_transport_internet_grpc_config_proto_msgTypes,
}.Build()
File_transport_internet_grpc_config_proto = out.File
file_transport_internet_grpc_config_proto_rawDesc = nil
file_transport_internet_grpc_config_proto_goTypes = nil
file_transport_internet_grpc_config_proto_depIdxs = nil
}

10
transport/internet/grpc/config.proto Normal file
View File

@ -0,0 +1,10 @@
syntax = "proto3";
package xray.transport.internet.grpc.encoding;
option go_package = "github.com/xtls/xray-core/transport/internet/grpc";
message Config {
string host = 1;
string service_name = 2;
bool multi_mode = 3;
}

130
transport/internet/grpc/dial.go Normal file
View File

@ -0,0 +1,130 @@
package grpc
import (
"context"
gonet "net"
"sync"
"time"
"google.golang.org/grpc"
"google.golang.org/grpc/backoff"
"google.golang.org/grpc/connectivity"
"google.golang.org/grpc/credentials"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/session"
"github.com/xtls/xray-core/transport/internet"
"github.com/xtls/xray-core/transport/internet/grpc/encoding"
"github.com/xtls/xray-core/transport/internet/tls"
)
func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (internet.Connection, error) {
newError("creating connection to ", dest).WriteToLog(session.ExportIDToError(ctx))
conn, err := dialgRPC(ctx, dest, streamSettings)
if err != nil {
return nil, newError("failed to dial gRPC").Base(err)
}
return internet.Connection(conn), nil
}
func init() {
common.Must(internet.RegisterTransportDialer(protocolName, Dial))
}
type dialerConf struct {
net.Destination
*internet.SocketConfig
}
var (
globalDialerMap map[dialerConf]*grpc.ClientConn
globalDialerAccess sync.Mutex
)
func dialgRPC(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (net.Conn, error) {
grpcSettings := streamSettings.ProtocolSettings.(*Config)
config := tls.ConfigFromStreamSettings(streamSettings)
var dialOption = grpc.WithInsecure()
if config != nil {
dialOption = grpc.WithTransportCredentials(credentials.NewTLS(config.GetTLSConfig()))
}
conn, err := getGrpcClient(ctx, dest, dialOption, streamSettings.SocketSettings)
if err != nil {
return nil, newError("Cannot dial gRPC").Base(err)
}
client := encoding.NewGRPCServiceClient(conn)
if grpcSettings.MultiMode {
newError("using gRPC multi mode").AtDebug().WriteToLog()
grpcService, err := client.(encoding.GRPCServiceClientX).TunMultiCustomName(ctx, grpcSettings.ServiceName)
if err != nil {
return nil, newError("Cannot dial gRPC").Base(err)
}
return encoding.NewMultiHunkConn(grpcService, nil), nil
}
grpcService, err := client.(encoding.GRPCServiceClientX).TunCustomName(ctx, grpcSettings.ServiceName)
if err != nil {
return nil, newError("Cannot dial gRPC").Base(err)
}
return encoding.NewHunkConn(grpcService, nil), nil
}
func getGrpcClient(ctx context.Context, dest net.Destination, dialOption grpc.DialOption, sockopt *internet.SocketConfig) (*grpc.ClientConn, error) {
globalDialerAccess.Lock()
defer globalDialerAccess.Unlock()
if globalDialerMap == nil {
globalDialerMap = make(map[dialerConf]*grpc.ClientConn)
}
if client, found := globalDialerMap[dialerConf{dest, sockopt}]; found && client.GetState() != connectivity.Shutdown {
return client, nil
}
conn, err := grpc.Dial(
gonet.JoinHostPort(dest.Address.String(), dest.Port.String()),
dialOption,
grpc.WithConnectParams(grpc.ConnectParams{
Backoff: backoff.Config{
BaseDelay: 500 * time.Millisecond,
Multiplier: 1.5,
Jitter: 0.2,
MaxDelay: 19 * time.Second,
},
MinConnectTimeout: 5 * time.Second,
}),
grpc.WithContextDialer(func(gctx context.Context, s string) (gonet.Conn, error) {
gctx = session.ContextWithID(gctx, session.IDFromContext(ctx))
gctx = session.ContextWithOutbound(gctx, session.OutboundFromContext(ctx))
rawHost, rawPort, err := net.SplitHostPort(s)
select {
case <-gctx.Done():
return nil, gctx.Err()
default:
}
if err != nil {
return nil, err
}
if len(rawPort) == 0 {
rawPort = "443"
}
port, err := net.PortFromString(rawPort)
if err != nil {
return nil, err
}
address := net.ParseAddress(rawHost)
return internet.DialSystem(gctx, net.TCPDestination(address, port), sockopt)
}),
)
globalDialerMap[dialerConf{dest, sockopt}] = conn
return conn, err
}

60
transport/internet/grpc/encoding/customSeviceName.go Normal file
View File

@ -0,0 +1,60 @@
package encoding
import (
"context"
"google.golang.org/grpc"
)
func ServerDesc(name string) grpc.ServiceDesc {
return grpc.ServiceDesc{
ServiceName: name,
HandlerType: (*GRPCServiceServer)(nil),
Methods: []grpc.MethodDesc{},
Streams: []grpc.StreamDesc{
{
StreamName: "Tun",
Handler: _GRPCService_Tun_Handler,
ServerStreams: true,
ClientStreams: true,
},
{
StreamName: "TunMulti",
Handler: _GRPCService_TunMulti_Handler,
ServerStreams: true,
ClientStreams: true,
},
},
Metadata: "grpc.proto",
}
}
func (c *gRPCServiceClient) TunCustomName(ctx context.Context, name string, opts ...grpc.CallOption) (GRPCService_TunClient, error) {
stream, err := c.cc.NewStream(ctx, &ServerDesc(name).Streams[0], "/"+name+"/Tun", opts...)
if err != nil {
return nil, err
}
x := &gRPCServiceTunClient{stream}
return x, nil
}
func (c *gRPCServiceClient) TunMultiCustomName(ctx context.Context, name string, opts ...grpc.CallOption) (GRPCService_TunMultiClient, error) {
stream, err := c.cc.NewStream(ctx, &ServerDesc(name).Streams[0], "/"+name+"/TunMulti", opts...)
if err != nil {
return nil, err
}
x := &gRPCServiceTunMultiClient{stream}
return x, nil
}
type GRPCServiceClientX interface {
TunCustomName(ctx context.Context, name string, opts ...grpc.CallOption) (GRPCService_TunClient, error)
TunMultiCustomName(ctx context.Context, name string, opts ...grpc.CallOption) (GRPCService_TunMultiClient, error)
Tun(ctx context.Context, opts ...grpc.CallOption) (GRPCService_TunClient, error)
TunMulti(ctx context.Context, opts ...grpc.CallOption) (GRPCService_TunMultiClient, error)
}
func RegisterGRPCServiceServerX(s *grpc.Server, srv GRPCServiceServer, name string) {
desc := ServerDesc(name)
s.RegisterService(&desc, srv)
}

3
transport/internet/grpc/encoding/encoding.go Normal file
View File

@ -0,0 +1,3 @@
package encoding
//go:generate go run github.com/xtls/xray-core/common/errors/errorgen

9
transport/internet/grpc/encoding/errors.generated.go Normal file
View File

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

123
transport/internet/grpc/encoding/hunkconn.go Normal file
View File

@ -0,0 +1,123 @@
package encoding
import (
"context"
"io"
"net"
"github.com/xtls/xray-core/common/buf"
"github.com/xtls/xray-core/common/net/cnc"
"github.com/xtls/xray-core/common/signal/done"
)
type HunkConn interface {
Send(*Hunk) error
Recv() (*Hunk, error)
SendMsg(m interface{}) error
RecvMsg(m interface{}) error
}
type StreamCloser interface {
CloseSend() error
}
type HunkReaderWriter struct {
hc HunkConn
cancel context.CancelFunc
done *done.Instance
buf []byte
index int
}
func NewHunkReadWriter(hc HunkConn, cancel context.CancelFunc) *HunkReaderWriter {
return &HunkReaderWriter{hc, cancel, done.New(), nil, 0}
}
func NewHunkConn(hc HunkConn, cancel context.CancelFunc) net.Conn {
wrc := NewHunkReadWriter(hc, cancel)
return cnc.NewConnection(
cnc.ConnectionInput(wrc),
cnc.ConnectionOutput(wrc),
cnc.ConnectionOnClose(wrc),
)
}
func (h *HunkReaderWriter) forceFetch() error {
hunk, err := h.hc.Recv()
if err != nil {
if err == io.EOF {
return err
}
return newError("failed to fetch hunk from gRPC tunnel").Base(err)
}
h.buf = hunk.Data
h.index = 0
return nil
}
func (h *HunkReaderWriter) Read(buf []byte) (int, error) {
if h.done.Done() {
return 0, io.EOF
}
if h.index >= len(h.buf) {
if err := h.forceFetch(); err != nil {
return 0, err
}
}
n := copy(buf, h.buf[h.index:])
h.index += n
return n, nil
}
func (h *HunkReaderWriter) ReadMultiBuffer() (buf.MultiBuffer, error) {
if h.done.Done() {
return nil, io.EOF
}
if h.index >= len(h.buf) {
if err := h.forceFetch(); err != nil {
return nil, err
}
}
if cap(h.buf) == buf.Size {
b := h.buf
h.index = len(h.buf)
return buf.MultiBuffer{buf.NewExisted(b)}, nil
}
b := buf.New()
_, err := b.ReadFrom(h)
if err != nil {
return nil, err
}
return buf.MultiBuffer{b}, nil
}
func (h *HunkReaderWriter) Write(buf []byte) (int, error) {
if h.done.Done() {
return 0, io.ErrClosedPipe
}
err := h.hc.Send(&Hunk{Data: buf[:]})
if err != nil {
return 0, newError("failed to send data over gRPC tunnel").Base(err)
}
return len(buf), nil
}
func (h *HunkReaderWriter) Close() error {
if h.cancel != nil {
h.cancel()
}
if sc, match := h.hc.(StreamCloser); match {
return sc.CloseSend()
}
return h.done.Close()
}

108
transport/internet/grpc/encoding/multiconn.go Normal file
View File

@ -0,0 +1,108 @@
package encoding
import (
"context"
"io"
"net"
"github.com/xtls/xray-core/common/buf"
"github.com/xtls/xray-core/common/net/cnc"
"github.com/xtls/xray-core/common/signal/done"
)
type MultiHunkConn interface {
Send(*MultiHunk) error
Recv() (*MultiHunk, error)
SendMsg(m interface{}) error
RecvMsg(m interface{}) error
}
type MultiHunkReaderWriter struct {
hc MultiHunkConn
cancel context.CancelFunc
done *done.Instance
buf [][]byte
}
func NewMultiHunkReadWriter(hc MultiHunkConn, cancel context.CancelFunc) *MultiHunkReaderWriter {
return &MultiHunkReaderWriter{hc, cancel, done.New(), nil}
}
func NewMultiHunkConn(hc MultiHunkConn, cancel context.CancelFunc) net.Conn {
wrc := NewMultiHunkReadWriter(hc, cancel)
return cnc.NewConnection(
cnc.ConnectionInputMulti(wrc),
cnc.ConnectionOutputMulti(wrc),
cnc.ConnectionOnClose(wrc),
)
}
func (h *MultiHunkReaderWriter) forceFetch() error {
hunk, err := h.hc.Recv()
if err != nil {
if err == io.EOF {
return err
}
return newError("failed to fetch hunk from gRPC tunnel").Base(err)
}
h.buf = hunk.Data
return nil
}
func (h *MultiHunkReaderWriter) ReadMultiBuffer() (buf.MultiBuffer, error) {
if h.done.Done() {
return nil, io.EOF
}
if err := h.forceFetch(); err != nil {
return nil, err
}
var mb = make(buf.MultiBuffer, 0, len(h.buf))
for _, b := range h.buf {
if cap(b) >= buf.Size {
mb = append(mb, buf.NewExisted(b))
continue
}
nb := buf.New()
nb.Extend(int32(len(b)))
copy(nb.Bytes(), b)
mb = append(mb, nb)
}
return mb, nil
}
func (h *MultiHunkReaderWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
defer buf.ReleaseMulti(mb)
if h.done.Done() {
return io.ErrClosedPipe
}
hunk := &MultiHunk{Data: make([][]byte, len(mb))}
for _, b := range mb {
hunk.Data = append(hunk.Data, b.Bytes())
}
err := h.hc.Send(hunk)
if err != nil {
return err
}
return nil
}
func (h *MultiHunkReaderWriter) Close() error {
if h.cancel != nil {
h.cancel()
}
if sc, match := h.hc.(StreamCloser); match {
return sc.CloseSend()
}
return h.done.Close()
}

234
transport/internet/grpc/encoding/stream.pb.go Normal file
View File

@ -0,0 +1,234 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.25.0
// protoc v3.15.6
// source: transport/internet/grpc/encoding/stream.proto
package encoding
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 Hunk struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Data []byte `protobuf:"bytes,1,opt,name=data,proto3" json:"data,omitempty"`
}
func (x *Hunk) Reset() {
*x = Hunk{}
if protoimpl.UnsafeEnabled {
mi := &file_transport_internet_grpc_encoding_stream_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *Hunk) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Hunk) ProtoMessage() {}
func (x *Hunk) ProtoReflect() protoreflect.Message {
mi := &file_transport_internet_grpc_encoding_stream_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 Hunk.ProtoReflect.Descriptor instead.
func (*Hunk) Descriptor() ([]byte, []int) {
return file_transport_internet_grpc_encoding_stream_proto_rawDescGZIP(), []int{0}
}
func (x *Hunk) GetData() []byte {
if x != nil {
return x.Data
}
return nil
}
type MultiHunk struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Data [][]byte `protobuf:"bytes,1,rep,name=data,proto3" json:"data,omitempty"`
}
func (x *MultiHunk) Reset() {
*x = MultiHunk{}
if protoimpl.UnsafeEnabled {
mi := &file_transport_internet_grpc_encoding_stream_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *MultiHunk) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*MultiHunk) ProtoMessage() {}
func (x *MultiHunk) ProtoReflect() protoreflect.Message {
mi := &file_transport_internet_grpc_encoding_stream_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 MultiHunk.ProtoReflect.Descriptor instead.
func (*MultiHunk) Descriptor() ([]byte, []int) {
return file_transport_internet_grpc_encoding_stream_proto_rawDescGZIP(), []int{1}
}
func (x *MultiHunk) GetData() [][]byte {
if x != nil {
return x.Data
}
return nil
}
var File_transport_internet_grpc_encoding_stream_proto protoreflect.FileDescriptor
var file_transport_internet_grpc_encoding_stream_proto_rawDesc = []byte{
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0x6f, 0x33,
}
var (
file_transport_internet_grpc_encoding_stream_proto_rawDescOnce sync.Once
file_transport_internet_grpc_encoding_stream_proto_rawDescData = file_transport_internet_grpc_encoding_stream_proto_rawDesc
)
func file_transport_internet_grpc_encoding_stream_proto_rawDescGZIP() []byte {
file_transport_internet_grpc_encoding_stream_proto_rawDescOnce.Do(func() {
file_transport_internet_grpc_encoding_stream_proto_rawDescData = protoimpl.X.CompressGZIP(file_transport_internet_grpc_encoding_stream_proto_rawDescData)
})
return file_transport_internet_grpc_encoding_stream_proto_rawDescData
}
var file_transport_internet_grpc_encoding_stream_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
var file_transport_internet_grpc_encoding_stream_proto_goTypes = []interface{}{
(*Hunk)(nil), // 0: xray.transport.internet.grpc.encoding.Hunk
(*MultiHunk)(nil), // 1: xray.transport.internet.grpc.encoding.MultiHunk
}
var file_transport_internet_grpc_encoding_stream_proto_depIdxs = []int32{
0, // 0: xray.transport.internet.grpc.encoding.GRPCService.Tun:input_type -> xray.transport.internet.grpc.encoding.Hunk
1, // 1: xray.transport.internet.grpc.encoding.GRPCService.TunMulti:input_type -> xray.transport.internet.grpc.encoding.MultiHunk
0, // 2: xray.transport.internet.grpc.encoding.GRPCService.Tun:output_type -> xray.transport.internet.grpc.encoding.Hunk
1, // 3: xray.transport.internet.grpc.encoding.GRPCService.TunMulti:output_type -> xray.transport.internet.grpc.encoding.MultiHunk
2, // [2:4] is the sub-list for method output_type
0, // [0:2] 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_grpc_encoding_stream_proto_init() }
func file_transport_internet_grpc_encoding_stream_proto_init() {
if File_transport_internet_grpc_encoding_stream_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_transport_internet_grpc_encoding_stream_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*Hunk); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_transport_internet_grpc_encoding_stream_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*MultiHunk); 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_grpc_encoding_stream_proto_rawDesc,
NumEnums: 0,
NumMessages: 2,
NumExtensions: 0,
NumServices: 1,
},
GoTypes: file_transport_internet_grpc_encoding_stream_proto_goTypes,
DependencyIndexes: file_transport_internet_grpc_encoding_stream_proto_depIdxs,
MessageInfos: file_transport_internet_grpc_encoding_stream_proto_msgTypes,
}.Build()
File_transport_internet_grpc_encoding_stream_proto = out.File
file_transport_internet_grpc_encoding_stream_proto_rawDesc = nil
file_transport_internet_grpc_encoding_stream_proto_goTypes = nil
file_transport_internet_grpc_encoding_stream_proto_depIdxs = nil
}

17
transport/internet/grpc/encoding/stream.proto Normal file
View File

@ -0,0 +1,17 @@
syntax = "proto3";
package xray.transport.internet.grpc.encoding;
option go_package = "github.com/xtls/xray-core/transport/internet/grpc/encoding";
message Hunk {
bytes data = 1;
}
message MultiHunk {
repeated bytes data = 1;
}
service GRPCService {
rpc Tun (stream Hunk) returns (stream Hunk);
rpc TunMulti (stream MultiHunk) returns (stream MultiHunk);
}

201
transport/internet/grpc/encoding/stream_grpc.pb.go Normal file
View File

@ -0,0 +1,201 @@
// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
package encoding
import (
context "context"
grpc "google.golang.org/grpc"
codes "google.golang.org/grpc/codes"
status "google.golang.org/grpc/status"
)
// This is a compile-time assertion to ensure that this generated file
// is compatible with the grpc package it is being compiled against.
// Requires gRPC-Go v1.32.0 or later.
const _ = grpc.SupportPackageIsVersion7
// GRPCServiceClient is the client API for GRPCService service.
//
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
type GRPCServiceClient interface {
Tun(ctx context.Context, opts ...grpc.CallOption) (GRPCService_TunClient, error)
TunMulti(ctx context.Context, opts ...grpc.CallOption) (GRPCService_TunMultiClient, error)
}
type gRPCServiceClient struct {
cc grpc.ClientConnInterface
}
func NewGRPCServiceClient(cc grpc.ClientConnInterface) GRPCServiceClient {
return &gRPCServiceClient{cc}
}
func (c *gRPCServiceClient) Tun(ctx context.Context, opts ...grpc.CallOption) (GRPCService_TunClient, error) {
stream, err := c.cc.NewStream(ctx, &GRPCService_ServiceDesc.Streams[0], "/xray.transport.internet.grpc.encoding.GRPCService/Tun", opts...)
if err != nil {
return nil, err
}
x := &gRPCServiceTunClient{stream}
return x, nil
}
type GRPCService_TunClient interface {
Send(*Hunk) error
Recv() (*Hunk, error)
grpc.ClientStream
}
type gRPCServiceTunClient struct {
grpc.ClientStream
}
func (x *gRPCServiceTunClient) Send(m *Hunk) error {
return x.ClientStream.SendMsg(m)
}
func (x *gRPCServiceTunClient) Recv() (*Hunk, error) {
m := new(Hunk)
if err := x.ClientStream.RecvMsg(m); err != nil {
return nil, err
}
return m, nil
}
func (c *gRPCServiceClient) TunMulti(ctx context.Context, opts ...grpc.CallOption) (GRPCService_TunMultiClient, error) {
stream, err := c.cc.NewStream(ctx, &GRPCService_ServiceDesc.Streams[1], "/xray.transport.internet.grpc.encoding.GRPCService/TunMulti", opts...)
if err != nil {
return nil, err
}
x := &gRPCServiceTunMultiClient{stream}
return x, nil
}
type GRPCService_TunMultiClient interface {
Send(*MultiHunk) error
Recv() (*MultiHunk, error)
grpc.ClientStream
}
type gRPCServiceTunMultiClient struct {
grpc.ClientStream
}
func (x *gRPCServiceTunMultiClient) Send(m *MultiHunk) error {
return x.ClientStream.SendMsg(m)
}
func (x *gRPCServiceTunMultiClient) Recv() (*MultiHunk, error) {
m := new(MultiHunk)
if err := x.ClientStream.RecvMsg(m); err != nil {
return nil, err
}
return m, nil
}
// GRPCServiceServer is the server API for GRPCService service.
// All implementations must embed UnimplementedGRPCServiceServer
// for forward compatibility
type GRPCServiceServer interface {
Tun(GRPCService_TunServer) error
TunMulti(GRPCService_TunMultiServer) error
mustEmbedUnimplementedGRPCServiceServer()
}
// UnimplementedGRPCServiceServer must be embedded to have forward compatible implementations.
type UnimplementedGRPCServiceServer struct {
}
func (UnimplementedGRPCServiceServer) Tun(GRPCService_TunServer) error {
return status.Errorf(codes.Unimplemented, "method Tun not implemented")
}
func (UnimplementedGRPCServiceServer) TunMulti(GRPCService_TunMultiServer) error {
return status.Errorf(codes.Unimplemented, "method TunMulti not implemented")
}
func (UnimplementedGRPCServiceServer) mustEmbedUnimplementedGRPCServiceServer() {}
// UnsafeGRPCServiceServer may be embedded to opt out of forward compatibility for this service.
// Use of this interface is not recommended, as added methods to GRPCServiceServer will
// result in compilation errors.
type UnsafeGRPCServiceServer interface {
mustEmbedUnimplementedGRPCServiceServer()
}
func RegisterGRPCServiceServer(s grpc.ServiceRegistrar, srv GRPCServiceServer) {
s.RegisterService(&GRPCService_ServiceDesc, srv)
}
func _GRPCService_Tun_Handler(srv interface{}, stream grpc.ServerStream) error {
return srv.(GRPCServiceServer).Tun(&gRPCServiceTunServer{stream})
}
type GRPCService_TunServer interface {
Send(*Hunk) error
Recv() (*Hunk, error)
grpc.ServerStream
}
type gRPCServiceTunServer struct {
grpc.ServerStream
}
func (x *gRPCServiceTunServer) Send(m *Hunk) error {
return x.ServerStream.SendMsg(m)
}
func (x *gRPCServiceTunServer) Recv() (*Hunk, error) {
m := new(Hunk)
if err := x.ServerStream.RecvMsg(m); err != nil {
return nil, err
}
return m, nil
}
func _GRPCService_TunMulti_Handler(srv interface{}, stream grpc.ServerStream) error {
return srv.(GRPCServiceServer).TunMulti(&gRPCServiceTunMultiServer{stream})
}
type GRPCService_TunMultiServer interface {
Send(*MultiHunk) error
Recv() (*MultiHunk, error)
grpc.ServerStream
}
type gRPCServiceTunMultiServer struct {
grpc.ServerStream
}
func (x *gRPCServiceTunMultiServer) Send(m *MultiHunk) error {
return x.ServerStream.SendMsg(m)
}
func (x *gRPCServiceTunMultiServer) Recv() (*MultiHunk, error) {
m := new(MultiHunk)
if err := x.ServerStream.RecvMsg(m); err != nil {
return nil, err
}
return m, nil
}
// GRPCService_ServiceDesc is the grpc.ServiceDesc for GRPCService service.
// It's only intended for direct use with grpc.RegisterService,
// and not to be introspected or modified (even as a copy)
var GRPCService_ServiceDesc = grpc.ServiceDesc{
ServiceName: "xray.transport.internet.grpc.encoding.GRPCService",
HandlerType: (*GRPCServiceServer)(nil),
Methods: []grpc.MethodDesc{},
Streams: []grpc.StreamDesc{
{
StreamName: "Tun",
Handler: _GRPCService_Tun_Handler,
ServerStreams: true,
ClientStreams: true,
},
{
StreamName: "TunMulti",
Handler: _GRPCService_TunMulti_Handler,
ServerStreams: true,
ClientStreams: true,
},
},
Metadata: "transport/internet/grpc/encoding/stream.proto",
}

9
transport/internet/grpc/errors.generated.go Normal file
View File

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

3
transport/internet/grpc/grpc.go Normal file
View File

@ -0,0 +1,3 @@
package grpc
//go:generate go run github.com/xtls/xray-core/common/errors/errorgen

129
transport/internet/grpc/hub.go Normal file
View File

@ -0,0 +1,129 @@
package grpc
import (
"context"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/session"
"github.com/xtls/xray-core/transport/internet"
"github.com/xtls/xray-core/transport/internet/grpc/encoding"
"github.com/xtls/xray-core/transport/internet/tls"
)
type Listener struct {
encoding.UnimplementedGRPCServiceServer
ctx context.Context
handler internet.ConnHandler
local net.Addr
config *Config
locker *internet.FileLocker // for unix domain socket
s *grpc.Server
}
func (l Listener) Tun(server encoding.GRPCService_TunServer) error {
tunCtx, cancel := context.WithCancel(l.ctx)
l.handler(encoding.NewHunkConn(server, cancel))
<-tunCtx.Done()
return nil
}
func (l Listener) TunMulti(server encoding.GRPCService_TunMultiServer) error {
tunCtx, cancel := context.WithCancel(l.ctx)
l.handler(encoding.NewMultiHunkConn(server, cancel))
<-tunCtx.Done()
return nil
}
func (l Listener) Close() error {
l.s.Stop()
return nil
}
func (l Listener) Addr() net.Addr {
return l.local
}
func Listen(ctx context.Context, address net.Address, port net.Port, settings *internet.MemoryStreamConfig, handler internet.ConnHandler) (internet.Listener, error) {
grpcSettings := settings.ProtocolSettings.(*Config)
var listener *Listener
if port == net.Port(0) { // unix
listener = &Listener{
handler: handler,
local: &net.UnixAddr{
Name: address.Domain(),
Net: "unix",
},
config: grpcSettings,
}
} else { // tcp
listener = &Listener{
handler: handler,
local: &net.TCPAddr{
IP: address.IP(),
Port: int(port),
},
config: grpcSettings,
}
}
listener.ctx = ctx
config := tls.ConfigFromStreamSettings(settings)
var s *grpc.Server
if config == nil {
s = grpc.NewServer()
} else {
s = grpc.NewServer(grpc.Creds(credentials.NewTLS(config.GetTLSConfig(tls.WithNextProto("h2")))))
}
listener.s = s
if settings.SocketSettings != nil && settings.SocketSettings.AcceptProxyProtocol {
newError("accepting PROXY protocol").AtWarning().WriteToLog(session.ExportIDToError(ctx))
}
go func() {
var streamListener net.Listener
var err error
if port == net.Port(0) { // unix
streamListener, err = internet.ListenSystem(ctx, &net.UnixAddr{
Name: address.Domain(),
Net: "unix",
}, settings.SocketSettings)
if err != nil {
newError("failed to listen on ", address).Base(err).AtError().WriteToLog(session.ExportIDToError(ctx))
return
}
locker := ctx.Value(address.Domain())
if locker != nil {
listener.locker = locker.(*internet.FileLocker)
}
} else { // tcp
streamListener, err = internet.ListenSystem(ctx, &net.TCPAddr{
IP: address.IP(),
Port: int(port),
}, settings.SocketSettings)
if err != nil {
newError("failed to listen on ", address, ":", port).Base(err).AtError().WriteToLog(session.ExportIDToError(ctx))
return
}
}
encoding.RegisterGRPCServiceServerX(s, listener, grpcSettings.ServiceName)
if err = s.Serve(streamListener); err != nil {
newError("Listener for gRPC ended").Base(err).WriteToLog()
}
}()
return listener, nil
}
func init() {
common.Must(internet.RegisterTransportListener(protocolName, Listen))
}

13
transport/internet/http/dialer.go
View File

@ -18,8 +18,13 @@ import (
"golang.org/x/net/http2"
)
type dialerConf struct {
net.Destination
*internet.SocketConfig
}
var (
globalDialerMap map[net.Destination]*http.Client
globalDialerMap map[dialerConf]*http.Client
globalDialerAccess sync.Mutex
)
@ -28,10 +33,10 @@ func getHTTPClient(ctx context.Context, dest net.Destination, tlsSettings *tls.C
defer globalDialerAccess.Unlock()
if globalDialerMap == nil {
globalDialerMap = make(map[net.Destination]*http.Client)
globalDialerMap = make(map[dialerConf]*http.Client)
}
if client, found := globalDialerMap[dest]; found {
if client, found := globalDialerMap[dialerConf{dest, sockopt}]; found {
return client, nil
}
@ -87,7 +92,7 @@ func getHTTPClient(ctx context.Context, dest net.Destination, tlsSettings *tls.C
Transport: transport,
}
globalDialerMap[dest] = client
globalDialerMap[dialerConf{dest, sockopt}] = client
return client, nil
}