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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 ( import (
"encoding/json" "encoding/json"
"math"
"strings" "strings"
"github.com/golang/protobuf/proto" "github.com/golang/protobuf/proto"
@ -451,19 +452,29 @@ func (p TransportProtocol) Build() (string, error) {
type SocketConfig struct { type SocketConfig struct {
Mark int32 `json:"mark"` Mark int32 `json:"mark"`
TFO *bool `json:"tcpFastOpen"` TFO interface{} `json:"tcpFastOpen"`
TProxy string `json:"tproxy"` TProxy string `json:"tproxy"`
AcceptProxyProtocol bool `json:"acceptProxyProtocol"` AcceptProxyProtocol bool `json:"acceptProxyProtocol"`
} }
// Build implements Buildable. // Build implements Buildable.
func (c *SocketConfig) Build() (*internet.SocketConfig, error) { func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
var tfoSettings internet.SocketConfig_TCPFastOpenState tfo := int32(-1)
if c.TFO != nil { if c.TFO != nil {
if *c.TFO { switch v := c.TFO.(type) {
tfoSettings = internet.SocketConfig_Enable case bool:
if v {
tfo = 256
} else { } 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 var tproxy internet.SocketConfig_TProxyMode
@ -478,7 +489,7 @@ func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
return &internet.SocketConfig{ return &internet.SocketConfig{
Mark: c.Mark, Mark: c.Mark,
Tfo: tfoSettings, Tfo: tfo,
Tproxy: tproxy, Tproxy: tproxy,
AcceptProxyProtocol: c.AcceptProxyProtocol, AcceptProxyProtocol: c.AcceptProxyProtocol,
}, nil }, nil

26
infra/conf/transport_test.go
View file

@ -39,7 +39,31 @@ func TestSocketConfig(t *testing.T) {
Parser: createParser(), Parser: createParser(),
Output: &internet.SocketConfig{ Output: &internet.SocketConfig{
Mark: 1, 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} 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 type SocketConfig_TProxyMode int32
const ( const (
@ -172,11 +120,11 @@ func (x SocketConfig_TProxyMode) String() string {
} }
func (SocketConfig_TProxyMode) Descriptor() protoreflect.EnumDescriptor { 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 { 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 { func (x SocketConfig_TProxyMode) Number() protoreflect.EnumNumber {
@ -185,7 +133,7 @@ func (x SocketConfig_TProxyMode) Number() protoreflect.EnumNumber {
// Deprecated: Use SocketConfig_TProxyMode.Descriptor instead. // Deprecated: Use SocketConfig_TProxyMode.Descriptor instead.
func (SocketConfig_TProxyMode) EnumDescriptor() ([]byte, []int) { 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 { 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 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"` Mark int32 `protobuf:"varint,1,opt,name=mark,proto3" json:"mark,omitempty"`
// TFO is the state of TFO settings. // 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 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"` 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 // ReceiveOriginalDestAddress is for enabling IP_RECVORIGDSTADDR socket
@ -458,11 +406,11 @@ func (x *SocketConfig) GetMark() int32 {
return 0 return 0
} }
func (x *SocketConfig) GetTfo() SocketConfig_TCPFastOpenState { func (x *SocketConfig) GetTfo() int32 {
if x != nil { if x != nil {
return x.Tfo return x.Tfo
} }
return SocketConfig_AsIs return 0
} }
func (x *SocketConfig) GetTproxy() SocketConfig_TProxyMode { func (x *SocketConfig) GetTproxy() SocketConfig_TProxyMode {
@ -549,49 +497,42 @@ var file_transport_internet_config_proto_rawDesc = []byte{
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0x6e, 0x65, 0x74, 0x50, 0x01, 0x5a, 0x2c, 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,
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0x72, 0x6f, 0x74, 0x6f, 0x33,
} }
var ( var (
@ -606,32 +547,30 @@ func file_transport_internet_config_proto_rawDescGZIP() []byte {
return file_transport_internet_config_proto_rawDescData 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_msgTypes = make([]protoimpl.MessageInfo, 4)
var file_transport_internet_config_proto_goTypes = []interface{}{ var file_transport_internet_config_proto_goTypes = []interface{}{
(TransportProtocol)(0), // 0: xray.transport.internet.TransportProtocol (TransportProtocol)(0), // 0: xray.transport.internet.TransportProtocol
(SocketConfig_TCPFastOpenState)(0), // 1: xray.transport.internet.SocketConfig.TCPFastOpenState (SocketConfig_TProxyMode)(0), // 1: xray.transport.internet.SocketConfig.TProxyMode
(SocketConfig_TProxyMode)(0), // 2: xray.transport.internet.SocketConfig.TProxyMode (*TransportConfig)(nil), // 2: xray.transport.internet.TransportConfig
(*TransportConfig)(nil), // 3: xray.transport.internet.TransportConfig (*StreamConfig)(nil), // 3: xray.transport.internet.StreamConfig
(*StreamConfig)(nil), // 4: xray.transport.internet.StreamConfig (*ProxyConfig)(nil), // 4: xray.transport.internet.ProxyConfig
(*ProxyConfig)(nil), // 5: xray.transport.internet.ProxyConfig (*SocketConfig)(nil), // 5: xray.transport.internet.SocketConfig
(*SocketConfig)(nil), // 6: xray.transport.internet.SocketConfig (*serial.TypedMessage)(nil), // 6: xray.common.serial.TypedMessage
(*serial.TypedMessage)(nil), // 7: xray.common.serial.TypedMessage
} }
var file_transport_internet_config_proto_depIdxs = []int32{ var file_transport_internet_config_proto_depIdxs = []int32{
0, // 0: xray.transport.internet.TransportConfig.protocol:type_name -> xray.transport.internet.TransportProtocol 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 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 2, // 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, // 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 5, // 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 1, // 6: xray.transport.internet.SocketConfig.tproxy:type_name -> xray.transport.internet.SocketConfig.TProxyMode
2, // 7: xray.transport.internet.SocketConfig.tproxy:type_name -> xray.transport.internet.SocketConfig.TProxyMode 7, // [7:7] is the sub-list for method output_type
8, // [8:8] is the sub-list for method output_type 7, // [7:7] is the sub-list for method input_type
8, // [8:8] is the sub-list for method input_type 7, // [7:7] is the sub-list for extension type_name
8, // [8:8] is the sub-list for extension type_name 7, // [7:7] is the sub-list for extension extendee
8, // [8:8] is the sub-list for extension extendee 0, // [0:7] is the sub-list for field type_name
0, // [0:8] is the sub-list for field type_name
} }
func init() { file_transport_internet_config_proto_init() } func init() { file_transport_internet_config_proto_init() }
@ -694,7 +633,7 @@ func file_transport_internet_config_proto_init() {
File: protoimpl.DescBuilder{ File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(), GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_transport_internet_config_proto_rawDesc, RawDescriptor: file_transport_internet_config_proto_rawDesc,
NumEnums: 3, NumEnums: 2,
NumMessages: 4, NumMessages: 4,
NumExtensions: 0, NumExtensions: 0,
NumServices: 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. // Mark of the connection. If non-zero, the value will be set to SO_MARK.
int32 mark = 1; 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. // TFO is the state of TFO settings.
TCPFastOpenState tfo = 2; int32 tfo = 2;
enum TProxyMode { enum TProxyMode {
// TProxy is off. // 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 { func applyOutboundSocketOptions(network string, address string, fd uintptr, config *SocketConfig) error {
if isTCPSocket(network) { if isTCPSocket(network) {
switch config.Tfo { tfo := config.Tfo
case SocketConfig_Enable: if tfo > 0 {
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, TCP_FASTOPEN_CLIENT); err != nil { tfo = TCP_FASTOPEN_CLIENT
return err
} }
case SocketConfig_Disable: if tfo >= 0 {
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, 0); err != nil { if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, int(tfo)); err != nil {
return err return err
} }
} }
@ -32,13 +31,12 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig) error { func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig) error {
if isTCPSocket(network) { if isTCPSocket(network) {
switch config.Tfo { tfo := config.Tfo
case SocketConfig_Enable: if tfo > 0 {
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, TCP_FASTOPEN_SERVER); err != nil { tfo = TCP_FASTOPEN_SERVER
return err
} }
case SocketConfig_Disable: if tfo >= 0 {
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, 0); err != nil { if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, int(tfo)); err != nil {
return err 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) { if isTCPSocket(network) {
switch config.Tfo { tfo := int(config.Tfo)
case SocketConfig_Enable: if tfo > 0 {
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, unix.TCP_FASTOPEN, 1); err != nil { tfo = 1
return newError("failed to set TCP_FASTOPEN_CONNECT=1").Base(err)
} }
case SocketConfig_Disable: if tfo >= 0 {
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, unix.TCP_FASTOPEN, 0); err != nil { if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, unix.TCP_FASTOPEN, tfo); err != nil {
return newError("failed to set TCP_FASTOPEN_CONNECT=0").Base(err) 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) { if isTCPSocket(network) {
switch config.Tfo { if config.Tfo >= 0 {
case SocketConfig_Enable: if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, unix.TCP_FASTOPEN, int(config.Tfo)); err != nil {
if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, unix.TCP_FASTOPEN, 1); err != nil { return newError("failed to set TCP_FASTOPEN=", config.Tfo).Base(err)
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)
} }
} }
} }

24
transport/internet/sockopt_linux.go
View file

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

4
transport/internet/sockopt_test.go
View file

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

12
transport/internet/sockopt_windows.go
View file

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