XHTTP client: Refactor "packet-up" mode, chasing "stream-up" (#4150)

* Add wroteRequest (waiting for new quic-go)

* Use XTLS/quic-go instead

* Client doesn't need `scMaxConcurrentPosts` anymore

* GotConn is available in H3

* `scMaxConcurrentPosts` -> `scMaxBufferedPosts` (server only, 30 by default)

Fixes https://github.com/XTLS/Xray-core/issues/4100
This commit is contained in:
RPRX 2024-12-11 14:05:39 +00:00 committed by GitHub
parent 6be3c35db8
commit 8cd9a74376
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GPG Key ID: B5690EEEBB952194
10 changed files with 235 additions and 250 deletions

2
go.mod
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@ -2,6 +2,8 @@ module github.com/xtls/xray-core
go 1.21.4
replace github.com/quic-go/quic-go v0.46.0 => github.com/xtls/quic-go v0.46.2
require (
github.com/OmarTariq612/goech v0.0.0-20240405204721-8e2e1dafd3a0
github.com/cloudflare/circl v1.4.0

4
go.sum
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@ -48,8 +48,6 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/quic-go/qpack v0.4.0 h1:Cr9BXA1sQS2SmDUWjSofMPNKmvF6IiIfDRmgU0w1ZCo=
github.com/quic-go/qpack v0.4.0/go.mod h1:UZVnYIfi5GRk+zI9UMaCPsmZ2xKJP7XBUvVyT1Knj9A=
github.com/quic-go/quic-go v0.46.0 h1:uuwLClEEyk1DNvchH8uCByQVjo3yKL9opKulExNDs7Y=
github.com/quic-go/quic-go v0.46.0/go.mod h1:1dLehS7TIR64+vxGR70GDcatWTOtMX2PUtnKsjbTurI=
github.com/refraction-networking/utls v1.6.7 h1:zVJ7sP1dJx/WtVuITug3qYUq034cDq9B2MR1K67ULZM=
github.com/refraction-networking/utls v1.6.7/go.mod h1:BC3O4vQzye5hqpmDTWUqi4P5DDhzJfkV1tdqtawQIH0=
github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3 h1:f/FNXud6gA3MNr8meMVVGxhp+QBTqY91tM8HjEuMjGg=
@ -70,6 +68,8 @@ github.com/vishvananda/netlink v1.3.0 h1:X7l42GfcV4S6E4vHTsw48qbrV+9PVojNfIhZcwQ
github.com/vishvananda/netlink v1.3.0/go.mod h1:i6NetklAujEcC6fK0JPjT8qSwWyO0HLn4UKG+hGqeJs=
github.com/vishvananda/netns v0.0.4 h1:Oeaw1EM2JMxD51g9uhtC0D7erkIjgmj8+JZc26m1YX8=
github.com/vishvananda/netns v0.0.4/go.mod h1:SpkAiCQRtJ6TvvxPnOSyH3BMl6unz3xZlaprSwhNNJM=
github.com/xtls/quic-go v0.46.2 h1:bzUnZIQIH8SyqYGR6fAXzEvZauA+32J/2w2AtnEFa1o=
github.com/xtls/quic-go v0.46.2/go.mod h1:1dLehS7TIR64+vxGR70GDcatWTOtMX2PUtnKsjbTurI=
github.com/xtls/reality v0.0.0-20240712055506-48f0b2d5ed6d h1:+B97uD9uHLgAAulhigmys4BVwZZypzK7gPN3WtpgRJg=
github.com/xtls/reality v0.0.0-20240712055506-48f0b2d5ed6d/go.mod h1:dm4y/1QwzjGaK17ofi0Vs6NpKAHegZky8qk6J2JJZAE=
github.com/yuin/goldmark v1.4.1/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=

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@ -221,35 +221,28 @@ func (c *HttpUpgradeConfig) Build() (proto.Message, error) {
type SplitHTTPConfig struct {
Host string `json:"host"`
Path string `json:"path"`
Mode string `json:"mode"`
Headers map[string]string `json:"headers"`
ScMaxConcurrentPosts *Int32Range `json:"scMaxConcurrentPosts"`
ScMaxEachPostBytes *Int32Range `json:"scMaxEachPostBytes"`
ScMinPostsIntervalMs *Int32Range `json:"scMinPostsIntervalMs"`
XPaddingBytes Int32Range `json:"xPaddingBytes"`
NoGRPCHeader bool `json:"noGRPCHeader"`
NoSSEHeader bool `json:"noSSEHeader"`
XPaddingBytes *Int32Range `json:"xPaddingBytes"`
ScMaxEachPostBytes Int32Range `json:"scMaxEachPostBytes"`
ScMinPostsIntervalMs Int32Range `json:"scMinPostsIntervalMs"`
ScMaxBufferedPosts int64 `json:"scMaxConcurrentPosts"`
KeepAlivePeriod int64 `json:"keepAlivePeriod"`
Xmux Xmux `json:"xmux"`
DownloadSettings *StreamConfig `json:"downloadSettings"`
Mode string `json:"mode"`
Extra json.RawMessage `json:"extra"`
NoGRPCHeader bool `json:"noGRPCHeader"`
KeepAlivePeriod int64 `json:"keepAlivePeriod"`
}
type Xmux struct {
MaxConcurrency *Int32Range `json:"maxConcurrency"`
MaxConnections *Int32Range `json:"maxConnections"`
CMaxReuseTimes *Int32Range `json:"cMaxReuseTimes"`
CMaxLifetimeMs *Int32Range `json:"cMaxLifetimeMs"`
}
func splithttpNewRandRangeConfig(input *Int32Range) *splithttp.RandRangeConfig {
if input == nil {
return &splithttp.RandRangeConfig{
From: 0,
To: 0,
}
MaxConcurrency Int32Range `json:"maxConcurrency"`
MaxConnections Int32Range `json:"maxConnections"`
CMaxReuseTimes Int32Range `json:"cMaxReuseTimes"`
CMaxLifetimeMs Int32Range `json:"cMaxLifetimeMs"`
}
func splithttpNewRandRangeConfig(input Int32Range) *splithttp.RandRangeConfig {
return &splithttp.RandRangeConfig{
From: input.From,
To: input.To,
@ -270,35 +263,6 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
c = &extra
}
// Priority (client): host > serverName > address
for k := range c.Headers {
if strings.ToLower(k) == "host" {
return nil, errors.New(`"headers" can't contain "host"`)
}
}
if c.Xmux.MaxConnections != nil && c.Xmux.MaxConnections.To > 0 && c.Xmux.MaxConcurrency != nil && c.Xmux.MaxConcurrency.To > 0 {
return nil, errors.New("maxConnections cannot be specified together with maxConcurrency")
}
// Multiplexing config
muxProtobuf := splithttp.Multiplexing{
MaxConcurrency: splithttpNewRandRangeConfig(c.Xmux.MaxConcurrency),
MaxConnections: splithttpNewRandRangeConfig(c.Xmux.MaxConnections),
CMaxReuseTimes: splithttpNewRandRangeConfig(c.Xmux.CMaxReuseTimes),
CMaxLifetimeMs: splithttpNewRandRangeConfig(c.Xmux.CMaxLifetimeMs),
}
if muxProtobuf.MaxConcurrency.To == 0 &&
muxProtobuf.MaxConnections.To == 0 &&
muxProtobuf.CMaxReuseTimes.To == 0 &&
muxProtobuf.CMaxLifetimeMs.To == 0 {
muxProtobuf.MaxConcurrency.From = 16
muxProtobuf.MaxConcurrency.To = 32
muxProtobuf.CMaxReuseTimes.From = 64
muxProtobuf.CMaxReuseTimes.To = 128
}
switch c.Mode {
case "":
c.Mode = "auto"
@ -307,21 +271,46 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
return nil, errors.New("unsupported mode: " + c.Mode)
}
// Priority (client): host > serverName > address
for k := range c.Headers {
if strings.ToLower(k) == "host" {
return nil, errors.New(`"headers" can't contain "host"`)
}
}
if c.Xmux.MaxConnections.To > 0 && c.Xmux.MaxConcurrency.To > 0 {
return nil, errors.New("maxConnections cannot be specified together with maxConcurrency")
}
if c.Xmux.MaxConcurrency.To == 0 &&
c.Xmux.MaxConnections.To == 0 &&
c.Xmux.CMaxReuseTimes.To == 0 &&
c.Xmux.CMaxLifetimeMs.To == 0 {
c.Xmux.MaxConcurrency.From = 16
c.Xmux.MaxConcurrency.To = 32
c.Xmux.CMaxReuseTimes.From = 64
c.Xmux.CMaxReuseTimes.To = 128
}
config := &splithttp.Config{
Path: c.Path,
Host: c.Host,
Header: c.Headers,
ScMaxConcurrentPosts: splithttpNewRandRangeConfig(c.ScMaxConcurrentPosts),
Path: c.Path,
Mode: c.Mode,
Headers: c.Headers,
XPaddingBytes: splithttpNewRandRangeConfig(c.XPaddingBytes),
NoGRPCHeader: c.NoGRPCHeader,
NoSSEHeader: c.NoSSEHeader,
ScMaxEachPostBytes: splithttpNewRandRangeConfig(c.ScMaxEachPostBytes),
ScMinPostsIntervalMs: splithttpNewRandRangeConfig(c.ScMinPostsIntervalMs),
NoSSEHeader: c.NoSSEHeader,
XPaddingBytes: splithttpNewRandRangeConfig(c.XPaddingBytes),
Xmux: &muxProtobuf,
Mode: c.Mode,
NoGRPCHeader: c.NoGRPCHeader,
ScMaxBufferedPosts: c.ScMaxBufferedPosts,
KeepAlivePeriod: c.KeepAlivePeriod,
Xmux: &splithttp.Multiplexing{
MaxConcurrency: splithttpNewRandRangeConfig(c.Xmux.MaxConcurrency),
MaxConnections: splithttpNewRandRangeConfig(c.Xmux.MaxConnections),
CMaxReuseTimes: splithttpNewRandRangeConfig(c.Xmux.CMaxReuseTimes),
CMaxLifetimeMs: splithttpNewRandRangeConfig(c.Xmux.CMaxLifetimeMs),
},
}
var err error
if c.DownloadSettings != nil {
if c.Mode == "stream-one" {
return nil, errors.New(`Can not use "downloadSettings" in "stream-one" mode.`)
@ -329,10 +318,12 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
if c.Extra != nil {
c.DownloadSettings.SocketSettings = nil
}
var err error
if config.DownloadSettings, err = c.DownloadSettings.Build(); err != nil {
return nil, errors.New(`Failed to build "downloadSettings".`).Base(err)
}
}
return config, nil
}

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@ -141,14 +141,7 @@ func (c *DefaultDialerClient) OpenDownload(ctx context.Context, baseURL string)
gotDownResponse.Close()
}()
if !c.isH3 {
// in quic-go, sometimes gotConn is never closed for the lifetime of
// the entire connection, and the download locks up
// https://github.com/quic-go/quic-go/issues/3342
// for other HTTP versions, we want to block Dial until we know the
// remote address of the server, for logging purposes
<-gotConn.Wait()
}
lazyDownload := &LazyReader{
CreateReader: func() (io.Reader, error) {
@ -172,7 +165,7 @@ func (c *DefaultDialerClient) OpenDownload(ctx context.Context, baseURL string)
}
func (c *DefaultDialerClient) SendUploadRequest(ctx context.Context, url string, payload io.ReadWriteCloser, contentLength int64) error {
req, err := http.NewRequest("POST", url, payload)
req, err := http.NewRequestWithContext(ctx, "POST", url, payload)
if err != nil {
return err
}

View File

@ -47,7 +47,7 @@ func (c *Config) GetNormalizedQuery() string {
func (c *Config) GetRequestHeader() http.Header {
header := http.Header{}
for k, v := range c.Header {
for k, v := range c.Headers {
header.Add(k, v)
}
@ -64,15 +64,12 @@ func (c *Config) WriteResponseHeader(writer http.ResponseWriter) {
}
}
func (c *Config) GetNormalizedScMaxConcurrentPosts() RandRangeConfig {
if c.ScMaxConcurrentPosts == nil || c.ScMaxConcurrentPosts.To == 0 {
return RandRangeConfig{
From: 100,
To: 100,
}
func (c *Config) GetNormalizedScMaxBufferedPosts() int {
if c.ScMaxBufferedPosts == 0 {
return 30
}
return *c.ScMaxConcurrentPosts
return int(c.ScMaxBufferedPosts)
}
func (c *Config) GetNormalizedScMaxEachPostBytes() RandRangeConfig {

View File

@ -28,17 +28,17 @@ type Config struct {
Host string `protobuf:"bytes,1,opt,name=host,proto3" json:"host,omitempty"`
Path string `protobuf:"bytes,2,opt,name=path,proto3" json:"path,omitempty"`
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"`
ScMaxConcurrentPosts *RandRangeConfig `protobuf:"bytes,4,opt,name=scMaxConcurrentPosts,proto3" json:"scMaxConcurrentPosts,omitempty"`
ScMaxEachPostBytes *RandRangeConfig `protobuf:"bytes,5,opt,name=scMaxEachPostBytes,proto3" json:"scMaxEachPostBytes,omitempty"`
ScMinPostsIntervalMs *RandRangeConfig `protobuf:"bytes,6,opt,name=scMinPostsIntervalMs,proto3" json:"scMinPostsIntervalMs,omitempty"`
Mode string `protobuf:"bytes,3,opt,name=mode,proto3" json:"mode,omitempty"`
Headers map[string]string `protobuf:"bytes,4,rep,name=headers,proto3" json:"headers,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
XPaddingBytes *RandRangeConfig `protobuf:"bytes,5,opt,name=xPaddingBytes,proto3" json:"xPaddingBytes,omitempty"`
NoGRPCHeader bool `protobuf:"varint,6,opt,name=noGRPCHeader,proto3" json:"noGRPCHeader,omitempty"`
NoSSEHeader bool `protobuf:"varint,7,opt,name=noSSEHeader,proto3" json:"noSSEHeader,omitempty"`
XPaddingBytes *RandRangeConfig `protobuf:"bytes,8,opt,name=xPaddingBytes,proto3" json:"xPaddingBytes,omitempty"`
Xmux *Multiplexing `protobuf:"bytes,9,opt,name=xmux,proto3" json:"xmux,omitempty"`
DownloadSettings *internet.StreamConfig `protobuf:"bytes,10,opt,name=downloadSettings,proto3" json:"downloadSettings,omitempty"`
Mode string `protobuf:"bytes,11,opt,name=mode,proto3" json:"mode,omitempty"`
NoGRPCHeader bool `protobuf:"varint,12,opt,name=noGRPCHeader,proto3" json:"noGRPCHeader,omitempty"`
KeepAlivePeriod int64 `protobuf:"varint,13,opt,name=keepAlivePeriod,proto3" json:"keepAlivePeriod,omitempty"`
ScMaxEachPostBytes *RandRangeConfig `protobuf:"bytes,8,opt,name=scMaxEachPostBytes,proto3" json:"scMaxEachPostBytes,omitempty"`
ScMinPostsIntervalMs *RandRangeConfig `protobuf:"bytes,9,opt,name=scMinPostsIntervalMs,proto3" json:"scMinPostsIntervalMs,omitempty"`
ScMaxBufferedPosts int64 `protobuf:"varint,10,opt,name=scMaxBufferedPosts,proto3" json:"scMaxBufferedPosts,omitempty"`
KeepAlivePeriod int64 `protobuf:"varint,11,opt,name=keepAlivePeriod,proto3" json:"keepAlivePeriod,omitempty"`
Xmux *Multiplexing `protobuf:"bytes,12,opt,name=xmux,proto3" json:"xmux,omitempty"`
DownloadSettings *internet.StreamConfig `protobuf:"bytes,13,opt,name=downloadSettings,proto3" json:"downloadSettings,omitempty"`
}
func (x *Config) Reset() {
@ -85,20 +85,41 @@ func (x *Config) GetPath() string {
return ""
}
func (x *Config) GetHeader() map[string]string {
func (x *Config) GetMode() string {
if x != nil {
return x.Header
return x.Mode
}
return ""
}
func (x *Config) GetHeaders() map[string]string {
if x != nil {
return x.Headers
}
return nil
}
func (x *Config) GetScMaxConcurrentPosts() *RandRangeConfig {
func (x *Config) GetXPaddingBytes() *RandRangeConfig {
if x != nil {
return x.ScMaxConcurrentPosts
return x.XPaddingBytes
}
return nil
}
func (x *Config) GetNoGRPCHeader() bool {
if x != nil {
return x.NoGRPCHeader
}
return false
}
func (x *Config) GetNoSSEHeader() bool {
if x != nil {
return x.NoSSEHeader
}
return false
}
func (x *Config) GetScMaxEachPostBytes() *RandRangeConfig {
if x != nil {
return x.ScMaxEachPostBytes
@ -113,18 +134,18 @@ func (x *Config) GetScMinPostsIntervalMs() *RandRangeConfig {
return nil
}
func (x *Config) GetNoSSEHeader() bool {
func (x *Config) GetScMaxBufferedPosts() int64 {
if x != nil {
return x.NoSSEHeader
return x.ScMaxBufferedPosts
}
return false
return 0
}
func (x *Config) GetXPaddingBytes() *RandRangeConfig {
func (x *Config) GetKeepAlivePeriod() int64 {
if x != nil {
return x.XPaddingBytes
return x.KeepAlivePeriod
}
return nil
return 0
}
func (x *Config) GetXmux() *Multiplexing {
@ -141,27 +162,6 @@ func (x *Config) GetDownloadSettings() *internet.StreamConfig {
return nil
}
func (x *Config) GetMode() string {
if x != nil {
return x.Mode
}
return ""
}
func (x *Config) GetNoGRPCHeader() bool {
if x != nil {
return x.NoGRPCHeader
}
return false
}
func (x *Config) GetKeepAlivePeriod() int64 {
if x != nil {
return x.KeepAlivePeriod
}
return 0
}
type RandRangeConfig struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
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}
var (
@ -404,26 +401,25 @@ var file_transport_internet_splithttp_config_proto_goTypes = []any{
(*Config)(nil), // 0: xray.transport.internet.splithttp.Config
(*RandRangeConfig)(nil), // 1: xray.transport.internet.splithttp.RandRangeConfig
(*Multiplexing)(nil), // 2: xray.transport.internet.splithttp.Multiplexing
nil, // 3: xray.transport.internet.splithttp.Config.HeaderEntry
nil, // 3: xray.transport.internet.splithttp.Config.HeadersEntry
(*internet.StreamConfig)(nil), // 4: xray.transport.internet.StreamConfig
}
var file_transport_internet_splithttp_config_proto_depIdxs = []int32{
3, // 0: xray.transport.internet.splithttp.Config.header:type_name -> xray.transport.internet.splithttp.Config.HeaderEntry
1, // 1: xray.transport.internet.splithttp.Config.scMaxConcurrentPosts:type_name -> xray.transport.internet.splithttp.RandRangeConfig
3, // 0: xray.transport.internet.splithttp.Config.headers:type_name -> xray.transport.internet.splithttp.Config.HeadersEntry
1, // 1: xray.transport.internet.splithttp.Config.xPaddingBytes:type_name -> xray.transport.internet.splithttp.RandRangeConfig
1, // 2: xray.transport.internet.splithttp.Config.scMaxEachPostBytes:type_name -> xray.transport.internet.splithttp.RandRangeConfig
1, // 3: xray.transport.internet.splithttp.Config.scMinPostsIntervalMs:type_name -> xray.transport.internet.splithttp.RandRangeConfig
1, // 4: xray.transport.internet.splithttp.Config.xPaddingBytes:type_name -> xray.transport.internet.splithttp.RandRangeConfig
2, // 5: xray.transport.internet.splithttp.Config.xmux:type_name -> xray.transport.internet.splithttp.Multiplexing
4, // 6: xray.transport.internet.splithttp.Config.downloadSettings:type_name -> xray.transport.internet.StreamConfig
1, // 7: xray.transport.internet.splithttp.Multiplexing.maxConcurrency:type_name -> xray.transport.internet.splithttp.RandRangeConfig
1, // 8: xray.transport.internet.splithttp.Multiplexing.maxConnections:type_name -> xray.transport.internet.splithttp.RandRangeConfig
1, // 9: xray.transport.internet.splithttp.Multiplexing.cMaxReuseTimes:type_name -> xray.transport.internet.splithttp.RandRangeConfig
1, // 10: xray.transport.internet.splithttp.Multiplexing.cMaxLifetimeMs:type_name -> xray.transport.internet.splithttp.RandRangeConfig
11, // [11:11] is the sub-list for method output_type
11, // [11:11] is the sub-list for method input_type
11, // [11:11] is the sub-list for extension type_name
11, // [11:11] is the sub-list for extension extendee
0, // [0:11] is the sub-list for field type_name
2, // 4: xray.transport.internet.splithttp.Config.xmux:type_name -> xray.transport.internet.splithttp.Multiplexing
4, // 5: xray.transport.internet.splithttp.Config.downloadSettings:type_name -> xray.transport.internet.StreamConfig
1, // 6: xray.transport.internet.splithttp.Multiplexing.maxConcurrency:type_name -> xray.transport.internet.splithttp.RandRangeConfig
1, // 7: xray.transport.internet.splithttp.Multiplexing.maxConnections:type_name -> xray.transport.internet.splithttp.RandRangeConfig
1, // 8: xray.transport.internet.splithttp.Multiplexing.cMaxReuseTimes:type_name -> xray.transport.internet.splithttp.RandRangeConfig
1, // 9: xray.transport.internet.splithttp.Multiplexing.cMaxLifetimeMs:type_name -> xray.transport.internet.splithttp.RandRangeConfig
10, // [10:10] is the sub-list for method output_type
10, // [10:10] is the sub-list for method input_type
10, // [10:10] is the sub-list for extension type_name
10, // [10:10] is the sub-list for extension extendee
0, // [0:10] is the sub-list for field type_name
}
func init() { file_transport_internet_splithttp_config_proto_init() }

View File

@ -11,17 +11,17 @@ import "transport/internet/config.proto";
message Config {
string host = 1;
string path = 2;
map<string, string> header = 3;
RandRangeConfig scMaxConcurrentPosts = 4;
RandRangeConfig scMaxEachPostBytes = 5;
RandRangeConfig scMinPostsIntervalMs = 6;
string mode = 3;
map<string, string> headers = 4;
RandRangeConfig xPaddingBytes = 5;
bool noGRPCHeader = 6;
bool noSSEHeader = 7;
RandRangeConfig xPaddingBytes = 8;
Multiplexing xmux = 9;
xray.transport.internet.StreamConfig downloadSettings = 10;
string mode = 11;
bool noGRPCHeader = 12;
int64 keepAlivePeriod = 13;
RandRangeConfig scMaxEachPostBytes = 8;
RandRangeConfig scMinPostsIntervalMs = 9;
int64 scMaxBufferedPosts = 10;
int64 keepAlivePeriod = 11;
Multiplexing xmux = 12;
xray.transport.internet.StreamConfig downloadSettings = 13;
}
message RandRangeConfig {

View File

@ -5,6 +5,7 @@ import (
gotls "crypto/tls"
"io"
"net/http"
"net/http/httptrace"
"net/url"
"strconv"
"sync"
@ -16,7 +17,7 @@ import (
"github.com/xtls/xray-core/common/buf"
"github.com/xtls/xray-core/common/errors"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/signal/semaphore"
"github.com/xtls/xray-core/common/signal/done"
"github.com/xtls/xray-core/common/uuid"
"github.com/xtls/xray-core/transport/internet"
"github.com/xtls/xray-core/transport/internet/browser_dialer"
@ -249,7 +250,6 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
tlsConfig := tls.ConfigFromStreamSettings(streamSettings)
realityConfig := reality.ConfigFromStreamSettings(streamSettings)
scMaxConcurrentPosts := transportConfiguration.GetNormalizedScMaxConcurrentPosts()
scMaxEachPostBytes := transportConfiguration.GetNormalizedScMaxEachPostBytes()
scMinPostsIntervalMs := transportConfiguration.GetNormalizedScMinPostsIntervalMs()
@ -386,27 +386,17 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
}
go func() {
requestsLimiter := semaphore.New(int(scMaxConcurrentPosts.roll()))
var requestCounter int64
var seq int64
var lastWrite time.Time
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.
for {
chunk, err := uploadPipeReader.ReadMultiBuffer()
if err != nil {
break
}
wroteRequest := done.New()
<-requestsLimiter.Wait()
seq := requestCounter
requestCounter += 1
go func() {
defer requestsLimiter.Signal()
ctx := httptrace.WithClientTrace(ctx, &httptrace.ClientTrace{
WroteRequest: func(httptrace.WroteRequestInfo) {
wroteRequest.Close()
},
})
// this intentionally makes a shallow-copy of the struct so we
// can reassign Path (potentially concurrently)
@ -415,25 +405,41 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
// reassign query to get different padding
url.RawQuery = transportConfiguration.GetNormalizedQuery()
seq += 1
if scMinPostsIntervalMs.From > 0 {
sleep := time.Duration(scMinPostsIntervalMs.roll())*time.Millisecond - time.Since(lastWrite)
if sleep > 0 {
time.Sleep(sleep)
}
}
// 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.
chunk, err := uploadPipeReader.ReadMultiBuffer()
if err != nil {
break
}
lastWrite = time.Now()
go func() {
err := httpClient.SendUploadRequest(
context.WithoutCancel(ctx),
url.String(),
&buf.MultiBufferContainer{MultiBuffer: chunk},
int64(chunk.Len()),
)
wroteRequest.Close()
if err != nil {
errors.LogInfoInner(ctx, err, "failed to send upload")
uploadPipeReader.Interrupt()
}
}()
if scMinPostsIntervalMs.From > 0 {
roll := time.Duration(scMinPostsIntervalMs.roll()) * time.Millisecond
if time.Since(lastWrite) < roll {
time.Sleep(roll)
}
lastWrite = time.Now()
if _, ok := httpClient.(*DefaultDialerClient); ok {
<-wroteRequest.Wait()
}
}
}()

View File

@ -78,7 +78,7 @@ func (h *requestHandler) upsertSession(sessionId string) *httpSession {
}
s := &httpSession{
uploadQueue: NewUploadQueue(int(h.ln.config.GetNormalizedScMaxConcurrentPosts().To)),
uploadQueue: NewUploadQueue(h.ln.config.GetNormalizedScMaxBufferedPosts()),
isFullyConnected: done.New(),
}

View File

@ -109,7 +109,7 @@ func TestDialWithRemoteAddr(t *testing.T) {
conn, err := Dial(context.Background(), net.TCPDestination(net.DomainAddress("localhost"), listenPort), &internet.MemoryStreamConfig{
ProtocolName: "splithttp",
ProtocolSettings: &Config{Path: "sh", Header: map[string]string{"X-Forwarded-For": "1.1.1.1"}},
ProtocolSettings: &Config{Path: "sh", Headers: map[string]string{"X-Forwarded-For": "1.1.1.1"}},
})
common.Must(err)