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SplitHTTP client: Add minUploadInterval (#3592)

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mmmray 2024-07-27 14:52:36 +02:00 committed by GitHub
parent 7cf5ee8afd
commit 8a4217fdf5
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GPG key ID: B5690EEEBB952194
6 changed files with 188 additions and 25 deletions
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31
infra/conf/common.go
View file

@ -2,6 +2,7 @@ package conf
import (
"encoding/json"
"strconv"
"strings"
"github.com/xtls/xray-core/common/errors"
@ -242,3 +243,33 @@ func (v *User) Build() *protocol.User {
Level: uint32(v.LevelByte),
}
}
// Int32Range deserializes from "1-2" or 1, so can deserialize from both int and number.
// Negative integers can be passed as sentinel values, but do not parse as ranges.
type Int32Range struct {
From int32
To int32
}
func (v *Int32Range) UnmarshalJSON(data []byte) error {
var stringrange string
var rawint int32
if err := json.Unmarshal(data, &stringrange); err == nil {
pair := strings.SplitN(stringrange, "-", 2)
if len(pair) == 2 {
from, err := strconv.Atoi(pair[0])
to, err2 := strconv.Atoi(pair[1])
if err == nil && err2 == nil {
v.From = int32(from)
v.To = int32(to)
return nil
}
}
} else if err := json.Unmarshal(data, &rawint); err == nil {
v.From = rawint
v.To = rawint
return nil
}
return errors.New("Invalid integer range, expected either string of form \"1-2\" or plain integer.")
}

5
infra/conf/transport_internet.go
View file

@ -231,6 +231,7 @@ type SplitHTTPConfig struct {
Headers map[string]string `json:"headers"`
MaxConcurrentUploads int32 `json:"maxConcurrentUploads"`
MaxUploadSize int32 `json:"maxUploadSize"`
MinUploadIntervalMs Int32Range `json:"minUploadIntervalMs"`
}
// Build implements Buildable.
@ -249,6 +250,10 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
Header: c.Headers,
MaxConcurrentUploads: c.MaxConcurrentUploads,
MaxUploadSize: c.MaxUploadSize,
MinUploadIntervalMs: &splithttp.RandRangeConfig{
From: c.MinUploadIntervalMs.From,
To: c.MinUploadIntervalMs.To,
},
}
return config, nil
}

23
transport/internet/splithttp/config.go
View file

@ -1,6 +1,8 @@
package splithttp
import (
"crypto/rand"
"math/big"
"net/http"
"github.com/xtls/xray-core/common"
@ -45,8 +47,29 @@ func (c *Config) GetNormalizedMaxUploadSize() int32 {
return c.MaxUploadSize
}
func (c *Config) GetNormalizedMinUploadInterval() RandRangeConfig {
r := c.MinUploadIntervalMs
if r == nil {
r = &RandRangeConfig{
From: 30,
To: 30,
}
}
return *r
}
func init() {
common.Must(internet.RegisterProtocolConfigCreator(protocolName, func() interface{} {
return new(Config)
}))
}
func (c RandRangeConfig) roll() int32 {
if c.From == c.To {
return c.From
}
bigInt, _ := rand.Int(rand.Reader, big.NewInt(int64(c.To-c.From)))
return c.From + int32(bigInt.Int64())
}

137
transport/internet/splithttp/config.pb.go
View file

@ -30,6 +30,7 @@ type Config struct {
Header map[string]string `protobuf:"bytes,3,rep,name=header,proto3" json:"header,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
MaxConcurrentUploads int32 `protobuf:"varint,4,opt,name=maxConcurrentUploads,proto3" json:"maxConcurrentUploads,omitempty"`
MaxUploadSize int32 `protobuf:"varint,5,opt,name=maxUploadSize,proto3" json:"maxUploadSize,omitempty"`
MinUploadIntervalMs *RandRangeConfig `protobuf:"bytes,6,opt,name=minUploadIntervalMs,proto3" json:"minUploadIntervalMs,omitempty"`
}
func (x *Config) Reset() {
@ -99,6 +100,68 @@ func (x *Config) GetMaxUploadSize() int32 {
return 0
}
func (x *Config) GetMinUploadIntervalMs() *RandRangeConfig {
if x != nil {
return x.MinUploadIntervalMs
}
return nil
}
type RandRangeConfig struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
From int32 `protobuf:"varint,1,opt,name=from,proto3" json:"from,omitempty"`
To int32 `protobuf:"varint,2,opt,name=to,proto3" json:"to,omitempty"`
}
func (x *RandRangeConfig) Reset() {
*x = RandRangeConfig{}
if protoimpl.UnsafeEnabled {
mi := &file_transport_internet_splithttp_config_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *RandRangeConfig) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*RandRangeConfig) ProtoMessage() {}
func (x *RandRangeConfig) ProtoReflect() protoreflect.Message {
mi := &file_transport_internet_splithttp_config_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 RandRangeConfig.ProtoReflect.Descriptor instead.
func (*RandRangeConfig) Descriptor() ([]byte, []int) {
return file_transport_internet_splithttp_config_proto_rawDescGZIP(), []int{1}
}
func (x *RandRangeConfig) GetFrom() int32 {
if x != nil {
return x.From
}
return 0
}
func (x *RandRangeConfig) GetTo() int32 {
if x != nil {
return x.To
}
return 0
}
var File_transport_internet_splithttp_config_proto protoreflect.FileDescriptor
var file_transport_internet_splithttp_config_proto_rawDesc = []byte{
@ -106,7 +169,7 @@ var file_transport_internet_splithttp_config_proto_rawDesc = []byte{
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@ -120,20 +183,30 @@ var file_transport_internet_splithttp_config_proto_rawDesc = []byte{
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}
var (
@ -148,18 +221,20 @@ func file_transport_internet_splithttp_config_proto_rawDescGZIP() []byte {
return file_transport_internet_splithttp_config_proto_rawDescData
}
var file_transport_internet_splithttp_config_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
var file_transport_internet_splithttp_config_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
var file_transport_internet_splithttp_config_proto_goTypes = []interface{}{
(*Config)(nil), // 0: xray.transport.internet.splithttp.Config
nil, // 1: xray.transport.internet.splithttp.Config.HeaderEntry
(*Config)(nil), // 0: xray.transport.internet.splithttp.Config
(*RandRangeConfig)(nil), // 1: xray.transport.internet.splithttp.RandRangeConfig
nil, // 2: xray.transport.internet.splithttp.Config.HeaderEntry
}
var file_transport_internet_splithttp_config_proto_depIdxs = []int32{
1, // 0: xray.transport.internet.splithttp.Config.header:type_name -> xray.transport.internet.splithttp.Config.HeaderEntry
1, // [1:1] is the sub-list for method output_type
1, // [1:1] is the sub-list for method input_type
1, // [1:1] is the sub-list for extension type_name
1, // [1:1] is the sub-list for extension extendee
0, // [0:1] is the sub-list for field type_name
2, // 0: xray.transport.internet.splithttp.Config.header:type_name -> xray.transport.internet.splithttp.Config.HeaderEntry
1, // 1: xray.transport.internet.splithttp.Config.minUploadIntervalMs:type_name -> xray.transport.internet.splithttp.RandRangeConfig
2, // [2:2] is the sub-list for method output_type
2, // [2:2] is the sub-list for method input_type
2, // [2:2] is the sub-list for extension type_name
2, // [2:2] is the sub-list for extension extendee
0, // [0:2] is the sub-list for field type_name
}
func init() { file_transport_internet_splithttp_config_proto_init() }
@ -180,6 +255,18 @@ func file_transport_internet_splithttp_config_proto_init() {
return nil
}
}
file_transport_internet_splithttp_config_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*RandRangeConfig); 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{
@ -187,7 +274,7 @@ func file_transport_internet_splithttp_config_proto_init() {
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_transport_internet_splithttp_config_proto_rawDesc,
NumEnums: 0,
NumMessages: 2,
NumMessages: 3,
NumExtensions: 0,
NumServices: 0,
},

6
transport/internet/splithttp/config.proto
View file

@ -12,4 +12,10 @@ message Config {
map<string, string> header = 3;
int32 maxConcurrentUploads = 4;
int32 maxUploadSize = 5;
RandRangeConfig minUploadIntervalMs = 6;
}
message RandRangeConfig {
int32 from = 1;
int32 to = 2;
}

11
transport/internet/splithttp/dialer.go
View file

@ -183,6 +183,7 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
maxConcurrentUploads := transportConfiguration.GetNormalizedMaxConcurrentUploads()
maxUploadSize := transportConfiguration.GetNormalizedMaxUploadSize()
minUploadInterval := transportConfiguration.GetNormalizedMinUploadInterval()
if tlsConfig != nil {
requestURL.Scheme = "https"
@ -207,6 +208,8 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
requestsLimiter := semaphore.New(int(maxConcurrentUploads))
var requestCounter int64
lastWrite := time.Now()
// by offloading the uploads into a buffered pipe, multiple conn.Write
// calls get automatically batched together into larger POST requests.
// without batching, bandwidth is extremely limited.
@ -237,6 +240,14 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
}
}()
if minUploadInterval.From > 0 {
roll := time.Duration(minUploadInterval.roll()) * time.Millisecond
if time.Since(lastWrite) < roll {
time.Sleep(roll)
}
lastWrite = time.Now()
}
}
}()