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Enhance TCP Fast Open (#310)

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risetechlab 2021-03-06 22:45:12 +08:00 committed by GitHub
parent e1a5392beb
commit ad1807dd99
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GPG key ID: 4AEE18F83AFDEB23
9 changed files with 147 additions and 198 deletions
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23
infra/conf/transport_internet.go
View file

@ -2,6 +2,7 @@ package conf
import (
"encoding/json"
"math"
"strings"
"github.com/golang/protobuf/proto"
@ -451,19 +452,29 @@ func (p TransportProtocol) Build() (string, error) {
type SocketConfig struct {
Mark int32 `json:"mark"`
TFO *bool `json:"tcpFastOpen"`
TFO interface{} `json:"tcpFastOpen"`
TProxy string `json:"tproxy"`
AcceptProxyProtocol bool `json:"acceptProxyProtocol"`
}
// Build implements Buildable.
func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
var tfoSettings internet.SocketConfig_TCPFastOpenState
tfo := int32(-1)
if c.TFO != nil {
if *c.TFO {
tfoSettings = internet.SocketConfig_Enable
switch v := c.TFO.(type) {
case bool:
if v {
tfo = 256
} else {
tfoSettings = internet.SocketConfig_Disable
tfo = 0
}
case float64:
if v < 0 {
return nil, newError("tcpFastOpen: only boolean and non-negative integer value is acceptable")
}
tfo = int32(math.Min(v, math.MaxInt32))
default:
return nil, newError("tcpFastOpen: only boolean and non-negative integer value is acceptable")
}
}
var tproxy internet.SocketConfig_TProxyMode
@ -478,7 +489,7 @@ func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
return &internet.SocketConfig{
Mark: c.Mark,
Tfo: tfoSettings,
Tfo: tfo,
Tproxy: tproxy,
AcceptProxyProtocol: c.AcceptProxyProtocol,
}, nil

26
infra/conf/transport_test.go
View file

@ -39,7 +39,31 @@ func TestSocketConfig(t *testing.T) {
Parser: createParser(),
Output: &internet.SocketConfig{
Mark: 1,
Tfo: internet.SocketConfig_Enable,
Tfo: 256,
},
},
})
runMultiTestCase(t, []TestCase{
{
Input: `{
"tcpFastOpen": false
}`,
Parser: createParser(),
Output: &internet.SocketConfig{
Mark: 0,
Tfo: 0,
},
},
})
runMultiTestCase(t, []TestCase{
{
Input: `{
"tcpFastOpen": 65535
}`,
Parser: createParser(),
Output: &internet.SocketConfig{
Mark: 0,
Tfo: 65535,
},
},
})

179
transport/internet/config.pb.go
View file

@ -84,58 +84,6 @@ func (TransportProtocol) EnumDescriptor() ([]byte, []int) {
return file_transport_internet_config_proto_rawDescGZIP(), []int{0}
}
type SocketConfig_TCPFastOpenState int32
const (
// AsIs is to leave the current TFO state as is, unmodified.
SocketConfig_AsIs SocketConfig_TCPFastOpenState = 0
// Enable is for enabling TFO explictly.
SocketConfig_Enable SocketConfig_TCPFastOpenState = 1
// Disable is for disabling TFO explictly.
SocketConfig_Disable SocketConfig_TCPFastOpenState = 2
)
// Enum value maps for SocketConfig_TCPFastOpenState.
var (
SocketConfig_TCPFastOpenState_name = map[int32]string{
0: "AsIs",
1: "Enable",
2: "Disable",
}
SocketConfig_TCPFastOpenState_value = map[string]int32{
"AsIs": 0,
"Enable": 1,
"Disable": 2,
}
)
func (x SocketConfig_TCPFastOpenState) Enum() *SocketConfig_TCPFastOpenState {
p := new(SocketConfig_TCPFastOpenState)
*p = x
return p
}
func (x SocketConfig_TCPFastOpenState) String() string {
return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
}
func (SocketConfig_TCPFastOpenState) Descriptor() protoreflect.EnumDescriptor {
return file_transport_internet_config_proto_enumTypes[1].Descriptor()
}
func (SocketConfig_TCPFastOpenState) Type() protoreflect.EnumType {
return &file_transport_internet_config_proto_enumTypes[1]
}
func (x SocketConfig_TCPFastOpenState) Number() protoreflect.EnumNumber {
return protoreflect.EnumNumber(x)
}
// Deprecated: Use SocketConfig_TCPFastOpenState.Descriptor instead.
func (SocketConfig_TCPFastOpenState) EnumDescriptor() ([]byte, []int) {
return file_transport_internet_config_proto_rawDescGZIP(), []int{3, 0}
}
type SocketConfig_TProxyMode int32
const (
@ -172,11 +120,11 @@ func (x SocketConfig_TProxyMode) String() string {
}
func (SocketConfig_TProxyMode) Descriptor() protoreflect.EnumDescriptor {
return file_transport_internet_config_proto_enumTypes[2].Descriptor()
return file_transport_internet_config_proto_enumTypes[1].Descriptor()
}
func (SocketConfig_TProxyMode) Type() protoreflect.EnumType {
return &file_transport_internet_config_proto_enumTypes[2]
return &file_transport_internet_config_proto_enumTypes[1]
}
func (x SocketConfig_TProxyMode) Number() protoreflect.EnumNumber {
@ -185,7 +133,7 @@ func (x SocketConfig_TProxyMode) Number() protoreflect.EnumNumber {
// Deprecated: Use SocketConfig_TProxyMode.Descriptor instead.
func (SocketConfig_TProxyMode) EnumDescriptor() ([]byte, []int) {
return file_transport_internet_config_proto_rawDescGZIP(), []int{3, 1}
return file_transport_internet_config_proto_rawDescGZIP(), []int{3, 0}
}
type TransportConfig struct {
@ -408,7 +356,7 @@ type SocketConfig struct {
// Mark of the connection. If non-zero, the value will be set to SO_MARK.
Mark int32 `protobuf:"varint,1,opt,name=mark,proto3" json:"mark,omitempty"`
// TFO is the state of TFO settings.
Tfo SocketConfig_TCPFastOpenState `protobuf:"varint,2,opt,name=tfo,proto3,enum=xray.transport.internet.SocketConfig_TCPFastOpenState" json:"tfo,omitempty"`
Tfo int32 `protobuf:"varint,2,opt,name=tfo,proto3" json:"tfo,omitempty"`
// TProxy is for enabling TProxy socket option.
Tproxy SocketConfig_TProxyMode `protobuf:"varint,3,opt,name=tproxy,proto3,enum=xray.transport.internet.SocketConfig_TProxyMode" json:"tproxy,omitempty"`
// ReceiveOriginalDestAddress is for enabling IP_RECVORIGDSTADDR socket
@ -458,11 +406,11 @@ func (x *SocketConfig) GetMark() int32 {
return 0
}
func (x *SocketConfig) GetTfo() SocketConfig_TCPFastOpenState {
func (x *SocketConfig) GetTfo() int32 {
if x != nil {
return x.Tfo
}
return SocketConfig_AsIs
return 0
}
func (x *SocketConfig) GetTproxy() SocketConfig_TProxyMode {
@ -549,49 +497,42 @@ var file_transport_internet_config_proto_rawDesc = []byte{
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}
var (
@ -606,32 +547,30 @@ func file_transport_internet_config_proto_rawDescGZIP() []byte {
return file_transport_internet_config_proto_rawDescData
}
var file_transport_internet_config_proto_enumTypes = make([]protoimpl.EnumInfo, 3)
var file_transport_internet_config_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
var file_transport_internet_config_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
var file_transport_internet_config_proto_goTypes = []interface{}{
(TransportProtocol)(0), // 0: xray.transport.internet.TransportProtocol
(SocketConfig_TCPFastOpenState)(0), // 1: xray.transport.internet.SocketConfig.TCPFastOpenState
(SocketConfig_TProxyMode)(0), // 2: xray.transport.internet.SocketConfig.TProxyMode
(*TransportConfig)(nil), // 3: xray.transport.internet.TransportConfig
(*StreamConfig)(nil), // 4: xray.transport.internet.StreamConfig
(*ProxyConfig)(nil), // 5: xray.transport.internet.ProxyConfig
(*SocketConfig)(nil), // 6: xray.transport.internet.SocketConfig
(*serial.TypedMessage)(nil), // 7: xray.common.serial.TypedMessage
(SocketConfig_TProxyMode)(0), // 1: xray.transport.internet.SocketConfig.TProxyMode
(*TransportConfig)(nil), // 2: xray.transport.internet.TransportConfig
(*StreamConfig)(nil), // 3: xray.transport.internet.StreamConfig
(*ProxyConfig)(nil), // 4: xray.transport.internet.ProxyConfig
(*SocketConfig)(nil), // 5: xray.transport.internet.SocketConfig
(*serial.TypedMessage)(nil), // 6: xray.common.serial.TypedMessage
}
var file_transport_internet_config_proto_depIdxs = []int32{
0, // 0: xray.transport.internet.TransportConfig.protocol:type_name -> xray.transport.internet.TransportProtocol
7, // 1: xray.transport.internet.TransportConfig.settings:type_name -> xray.common.serial.TypedMessage
6, // 1: xray.transport.internet.TransportConfig.settings:type_name -> xray.common.serial.TypedMessage
0, // 2: xray.transport.internet.StreamConfig.protocol:type_name -> xray.transport.internet.TransportProtocol
3, // 3: xray.transport.internet.StreamConfig.transport_settings:type_name -> xray.transport.internet.TransportConfig
7, // 4: xray.transport.internet.StreamConfig.security_settings:type_name -> xray.common.serial.TypedMessage
6, // 5: xray.transport.internet.StreamConfig.socket_settings:type_name -> xray.transport.internet.SocketConfig
1, // 6: xray.transport.internet.SocketConfig.tfo:type_name -> xray.transport.internet.SocketConfig.TCPFastOpenState
2, // 7: xray.transport.internet.SocketConfig.tproxy:type_name -> xray.transport.internet.SocketConfig.TProxyMode
8, // [8:8] is the sub-list for method output_type
8, // [8:8] is the sub-list for method input_type
8, // [8:8] is the sub-list for extension type_name
8, // [8:8] is the sub-list for extension extendee
0, // [0:8] is the sub-list for field type_name
2, // 3: xray.transport.internet.StreamConfig.transport_settings:type_name -> xray.transport.internet.TransportConfig
6, // 4: xray.transport.internet.StreamConfig.security_settings:type_name -> xray.common.serial.TypedMessage
5, // 5: xray.transport.internet.StreamConfig.socket_settings:type_name -> xray.transport.internet.SocketConfig
1, // 6: xray.transport.internet.SocketConfig.tproxy:type_name -> xray.transport.internet.SocketConfig.TProxyMode
7, // [7:7] is the sub-list for method output_type
7, // [7:7] is the sub-list for method input_type
7, // [7:7] is the sub-list for extension type_name
7, // [7:7] is the sub-list for extension extendee
0, // [0:7] is the sub-list for field type_name
}
func init() { file_transport_internet_config_proto_init() }
@ -694,7 +633,7 @@ func file_transport_internet_config_proto_init() {
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_transport_internet_config_proto_rawDesc,
NumEnums: 3,
NumEnums: 2,
NumMessages: 4,
NumExtensions: 0,
NumServices: 0,

11
transport/internet/config.proto
View file

@ -54,17 +54,8 @@ message SocketConfig {
// Mark of the connection. If non-zero, the value will be set to SO_MARK.
int32 mark = 1;
enum TCPFastOpenState {
// AsIs is to leave the current TFO state as is, unmodified.
AsIs = 0;
// Enable is for enabling TFO explictly.
Enable = 1;
// Disable is for disabling TFO explictly.
Disable = 2;
}
// TFO is the state of TFO settings.
TCPFastOpenState tfo = 2;
int32 tfo = 2;
enum TProxyMode {
// TProxy is off.

22
transport/internet/sockopt_darwin.go
View file

@ -15,13 +15,12 @@ const (
func applyOutboundSocketOptions(network string, address string, fd uintptr, config *SocketConfig) error {
if isTCPSocket(network) {
switch config.Tfo {
case SocketConfig_Enable:
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, TCP_FASTOPEN_CLIENT); err != nil {
return err
tfo := config.Tfo
if tfo > 0 {
tfo = TCP_FASTOPEN_CLIENT
}
case SocketConfig_Disable:
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, 0); err != nil {
if tfo >= 0 {
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, int(tfo)); err != nil {
return err
}
}
@ -32,13 +31,12 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig) error {
if isTCPSocket(network) {
switch config.Tfo {
case SocketConfig_Enable:
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, TCP_FASTOPEN_SERVER); err != nil {
return err
tfo := config.Tfo
if tfo > 0 {
tfo = TCP_FASTOPEN_SERVER
}
case SocketConfig_Disable:
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, 0); err != nil {
if tfo >= 0 {
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, int(tfo)); err != nil {
return err
}
}

24
transport/internet/sockopt_freebsd.go
View file

@ -130,14 +130,13 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
}
if isTCPSocket(network) {
switch config.Tfo {
case SocketConfig_Enable:
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, unix.TCP_FASTOPEN, 1); err != nil {
return newError("failed to set TCP_FASTOPEN_CONNECT=1").Base(err)
tfo := int(config.Tfo)
if tfo > 0 {
tfo = 1
}
case SocketConfig_Disable:
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, unix.TCP_FASTOPEN, 0); err != nil {
return newError("failed to set TCP_FASTOPEN_CONNECT=0").Base(err)
if tfo >= 0 {
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, unix.TCP_FASTOPEN, tfo); err != nil {
return newError("failed to set TCP_FASTOPEN_CONNECT=", tfo).Base(err)
}
}
}
@ -164,14 +163,9 @@ func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig)
}
}
if isTCPSocket(network) {
switch config.Tfo {
case SocketConfig_Enable:
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, unix.TCP_FASTOPEN, 1); err != nil {
return newError("failed to set TCP_FASTOPEN=1").Base(err)
}
case SocketConfig_Disable:
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, unix.TCP_FASTOPEN, 0); err != nil {
return newError("failed to set TCP_FASTOPEN=0").Base(err)
if config.Tfo >= 0 {
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, unix.TCP_FASTOPEN, int(config.Tfo)); err != nil {
return newError("failed to set TCP_FASTOPEN=", config.Tfo).Base(err)
}
}
}

24
transport/internet/sockopt_linux.go
View file

@ -48,14 +48,13 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
}
if isTCPSocket(network) {
switch config.Tfo {
case SocketConfig_Enable:
if err := syscall.SetsockoptInt(int(fd), syscall.SOL_TCP, TCP_FASTOPEN_CONNECT, 1); err != nil {
return newError("failed to set TCP_FASTOPEN_CONNECT=1").Base(err)
tfo := int(config.Tfo)
if tfo > 0 {
tfo = 1
}
case SocketConfig_Disable:
if err := syscall.SetsockoptInt(int(fd), syscall.SOL_TCP, TCP_FASTOPEN_CONNECT, 0); err != nil {
return newError("failed to set TCP_FASTOPEN_CONNECT=0").Base(err)
if tfo >= 0 {
if err := syscall.SetsockoptInt(int(fd), syscall.SOL_TCP, TCP_FASTOPEN_CONNECT, tfo); err != nil {
return newError("failed to set TCP_FASTOPEN_CONNECT=", tfo).Base(err)
}
}
}
@ -76,14 +75,9 @@ func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig)
}
}
if isTCPSocket(network) {
switch config.Tfo {
case SocketConfig_Enable:
if err := syscall.SetsockoptInt(int(fd), syscall.SOL_TCP, TCP_FASTOPEN, 1); err != nil {
return newError("failed to set TCP_FASTOPEN=1").Base(err)
}
case SocketConfig_Disable:
if err := syscall.SetsockoptInt(int(fd), syscall.SOL_TCP, TCP_FASTOPEN, 0); err != nil {
return newError("failed to set TCP_FASTOPEN=0").Base(err)
if config.Tfo >= 0 {
if err := syscall.SetsockoptInt(int(fd), syscall.SOL_TCP, TCP_FASTOPEN, int(config.Tfo)); err != nil {
return newError("failed to set TCP_FASTOPEN=", config.Tfo).Base(err)
}
}
}

4
transport/internet/sockopt_test.go
View file

@ -17,14 +17,14 @@ func TestTCPFastOpen(t *testing.T) {
return b
},
}
dest, err := tcpServer.StartContext(context.Background(), &SocketConfig{Tfo: SocketConfig_Enable})
dest, err := tcpServer.StartContext(context.Background(), &SocketConfig{Tfo: 256})
common.Must(err)
defer tcpServer.Close()
ctx := context.Background()
dialer := DefaultSystemDialer{}
conn, err := dialer.Dial(ctx, nil, dest, &SocketConfig{
Tfo: SocketConfig_Enable,
Tfo: 1,
})
common.Must(err)
defer conn.Close()

12
transport/internet/sockopt_windows.go
View file

@ -8,14 +8,12 @@ const (
TCP_FASTOPEN = 15
)
func setTFO(fd syscall.Handle, settings SocketConfig_TCPFastOpenState) error {
switch settings {
case SocketConfig_Enable:
if err := syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, TCP_FASTOPEN, 1); err != nil {
return err
func setTFO(fd syscall.Handle, tfo int32) error {
if tfo > 0 {
tfo = 1
}
case SocketConfig_Disable:
if err := syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, TCP_FASTOPEN, 0); err != nil {
if tfo >= 0 {
if err := syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, TCP_FASTOPEN, int(tfo)); err != nil {
return err
}
}