v24.12.31

XHTTP: Beyond REALITY: https://github.com/XTLS/Xray-core/discussions/4113

app/dispatcher/default.go

@@ -106,7 +106,7 @@ func init() {
 	common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
 		d := new(DefaultDispatcher)
 		if err := core.RequireFeatures(ctx, func(om outbound.Manager, router routing.Router, pm policy.Manager, sm stats.Manager, dc dns.Client) error {
-			core.RequireFeatures(ctx, func(fdns dns.FakeDNSEngine) { // FakeDNSEngine is optional
+			core.OptionalFeatures(ctx, func(fdns dns.FakeDNSEngine) {
 				d.fdns = fdns
 			})
 			return d.Init(config.(*Config), om, router, pm, sm, dc)

app/dns/nameserver.go

@@ -56,7 +56,7 @@ func NewServer(ctx context.Context, dest net.Destination, dispatcher routing.Dis
 			return NewTCPLocalNameServer(u, queryStrategy)
 		case strings.EqualFold(u.String(), "fakedns"):
 			var fd dns.FakeDNSEngine
-			core.RequireFeatures(ctx, func(fdns dns.FakeDNSEngine) { // FakeDNSEngine is optional
+			core.RequireFeatures(ctx, func(fdns dns.FakeDNSEngine) {
 				fd = fdns
 			})
 			return NewFakeDNSServer(fd), nil

app/dns/nameserver_doh.go

@@ -8,7 +8,6 @@ import (
 	"net/http"
 	"net/url"
 	"sync"
-	"sync/atomic"
 	"time"
 
 	"github.com/xtls/xray-core/common"
@@ -35,7 +34,6 @@ type DoHNameServer struct {
 	ips           map[string]*record
 	pub           *pubsub.Service
 	cleanup       *task.Periodic
-	reqID         uint32
 	httpClient    *http.Client
 	dohURL        string
 	name          string
@@ -222,7 +220,7 @@ func (s *DoHNameServer) updateIP(req *dnsRequest, ipRec *IPRecord) {
 }
 
 func (s *DoHNameServer) newReqID() uint16 {
-	return uint16(atomic.AddUint32(&s.reqID, 1))
+	return 0
 }
 
 func (s *DoHNameServer) sendQuery(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption) {

app/dns/nameserver_quic.go

@@ -6,10 +6,9 @@ import (
 	"encoding/binary"
 	"net/url"
 	"sync"
-	"sync/atomic"
 	"time"
 
-	"github.com/quic-go/quic-go"
+	"github.com/xtls/quic-go"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/errors"
@@ -37,7 +36,6 @@ type QUICNameServer struct {
 	ips           map[string]*record
 	pub           *pubsub.Service
 	cleanup       *task.Periodic
-	reqID         uint32
 	name          string
 	destination   *net.Destination
 	connection    quic.Connection
@@ -156,7 +154,7 @@ func (s *QUICNameServer) updateIP(req *dnsRequest, ipRec *IPRecord) {
 }
 
 func (s *QUICNameServer) newReqID() uint16 {
-	return uint16(atomic.AddUint32(&s.reqID, 1))
+	return 0
 }
 
 func (s *QUICNameServer) sendQuery(ctx context.Context, domain string, clientIP net.IP, option dns_feature.IPOption) {

app/observatory/command/command.go

@@ -38,7 +38,7 @@ func init() {
 		sv := &service{v: s}
 		err := s.RequireFeatures(func(Observatory extension.Observatory) {
 			sv.observatory = Observatory
-		})
+		}, false)
 		if err != nil {
 			return nil, err
 		}

app/proxyman/command/command.go

@@ -177,7 +177,7 @@ func (s *service) Register(server *grpc.Server) {
 	common.Must(s.v.RequireFeatures(func(im inbound.Manager, om outbound.Manager) {
 		hs.ihm = im
 		hs.ohm = om
-	}))
+	}, false))
 	RegisterHandlerServiceServer(server, hs)
 
 	// For compatibility purposes

app/router/balancing.go

@@ -5,6 +5,7 @@ import (
 	sync "sync"
 
 	"github.com/xtls/xray-core/app/observatory"
+	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/extension"
@@ -31,9 +32,10 @@ type RoundRobinStrategy struct {
 func (s *RoundRobinStrategy) InjectContext(ctx context.Context) {
 	s.ctx = ctx
 	if len(s.FallbackTag) > 0 {
-		core.RequireFeaturesAsync(s.ctx, func(observatory extension.Observatory) {
+		common.Must(core.RequireFeatures(s.ctx, func(observatory extension.Observatory) error {
 			s.observatory = observatory
-		})
+			return nil
+		}))
 	}
 }
 

app/router/command/command.go

@@ -135,7 +135,7 @@ func (s *service) Register(server *grpc.Server) {
 		vCoreDesc := RoutingService_ServiceDesc
 		vCoreDesc.ServiceName = "v2ray.core.app.router.command.RoutingService"
 		server.RegisterService(&vCoreDesc, rs)
-	}))
+	}, false))
 }
 
 func init() {

app/router/strategy_leastload.go

@@ -7,6 +7,7 @@ import (
 	"time"
 
 	"github.com/xtls/xray-core/app/observatory"
+	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/dice"
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/core"
@@ -59,9 +60,10 @@ type node struct {
 
 func (s *LeastLoadStrategy) InjectContext(ctx context.Context) {
 	s.ctx = ctx
-	core.RequireFeaturesAsync(s.ctx, func(observatory extension.Observatory) {
+	common.Must(core.RequireFeatures(s.ctx, func(observatory extension.Observatory) error {
 		s.observer = observatory
-	})
+		return nil
+	}))
 }
 
 func (s *LeastLoadStrategy) PickOutbound(candidates []string) string {

app/router/strategy_leastping.go

@@ -4,6 +4,7 @@ import (
 	"context"
 
 	"github.com/xtls/xray-core/app/observatory"
+	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/errors"
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/extension"
@@ -20,9 +21,10 @@ func (l *LeastPingStrategy) GetPrincipleTarget(strings []string) []string {
 
 func (l *LeastPingStrategy) InjectContext(ctx context.Context) {
 	l.ctx = ctx
-	core.RequireFeaturesAsync(l.ctx, func(observatory extension.Observatory) {
+	common.Must(core.RequireFeatures(l.ctx, func(observatory extension.Observatory) error {
 		l.observatory = observatory
-	})
+		return nil
+	}))
 }
 
 func (l *LeastPingStrategy) PickOutbound(strings []string) string {

app/router/strategy_random.go

@@ -4,6 +4,7 @@ import (
 	"context"
 
 	"github.com/xtls/xray-core/app/observatory"
+	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/dice"
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/extension"
@@ -20,9 +21,10 @@ type RandomStrategy struct {
 func (s *RandomStrategy) InjectContext(ctx context.Context) {
 	s.ctx = ctx
 	if len(s.FallbackTag) > 0 {
-		core.RequireFeaturesAsync(s.ctx, func(observatory extension.Observatory) {
+		common.Must(core.RequireFeatures(s.ctx, func(observatory extension.Observatory) error {
 			s.observatory = observatory
-		})
+			return nil
+		}))
 	}
 }
 

common/common.go

@@ -38,7 +38,7 @@ func Error2(v interface{}, err error) error {
 func envFile() (string, error) {
 	if file := os.Getenv("GOENV"); file != "" {
 		if file == "off" {
-			return "", fmt.Errorf("GOENV=off")
+			return "", errors.New("GOENV=off")
 		}
 		return file, nil
 	}
@@ -47,7 +47,7 @@ func envFile() (string, error) {
 		return "", err
 	}
 	if dir == "" {
-		return "", fmt.Errorf("missing user-config dir")
+		return "", errors.New("missing user-config dir")
 	}
 	return filepath.Join(dir, "go", "env"), nil
 }
@@ -60,7 +60,7 @@ func GetRuntimeEnv(key string) (string, error) {
 		return "", err
 	}
 	if file == "" {
-		return "", fmt.Errorf("missing runtime env file")
+		return "", errors.New("missing runtime env file")
 	}
 	var data []byte
 	var runtimeEnv string

common/protocol/quic/sniff.go

@@ -8,7 +8,7 @@ import (
 	"encoding/binary"
 	"io"
 
-	"github.com/quic-go/quic-go/quicvarint"
+	"github.com/xtls/quic-go/quicvarint"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/bytespool"

core/core.go

@@ -19,7 +19,7 @@ import (
 var (
 	Version_x byte = 24
 	Version_y byte = 12
-	Version_z byte = 18
+	Version_z byte = 31
 )
 
 var (

core/xray.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"reflect"
 	"sync"
-	"time"
 
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/errors"
@@ -45,22 +44,13 @@ func getFeature(allFeatures []features.Feature, t reflect.Type) features.Feature
 	return nil
 }
 
-func (r *resolution) resolve(allFeatures []features.Feature) (bool, error) {
+func (r *resolution) callbackResolution(allFeatures []features.Feature) error {
-	var fs []features.Feature
-	for _, d := range r.deps {
-		f := getFeature(allFeatures, d)
-		if f == nil {
-			return false, nil
-		}
-		fs = append(fs, f)
-	}
-
 	callback := reflect.ValueOf(r.callback)
 	var input []reflect.Value
 	callbackType := callback.Type()
 	for i := 0; i < callbackType.NumIn(); i++ {
 		pt := callbackType.In(i)
-		for _, f := range fs {
+		for _, f := range allFeatures {
 			if reflect.TypeOf(f).AssignableTo(pt) {
 				input = append(input, reflect.ValueOf(f))
 				break
@@ -85,15 +75,17 @@ func (r *resolution) resolve(allFeatures []features.Feature) (bool, error) {
 		}
 	}
 
-	return true, err
+	return err
 }
 
 // Instance combines all Xray features.
 type Instance struct {
-	access             sync.Mutex
+	statusLock                 sync.Mutex
 	features                   []features.Feature
-	featureResolutions []resolution
+	pendingResolutions         []resolution
+	pendingOptionalResolutions []resolution
 	running                    bool
+	resolveLock                sync.Mutex
 
 	ctx context.Context
 }
@@ -154,13 +146,14 @@ func addOutboundHandlers(server *Instance, configs []*OutboundHandlerConfig) err
 // See Instance.RequireFeatures for more information.
 func RequireFeatures(ctx context.Context, callback interface{}) error {
 	v := MustFromContext(ctx)
-	return v.RequireFeatures(callback)
+	return v.RequireFeatures(callback, false)
 }
 
-// RequireFeaturesAsync registers a callback, which will be called when all dependent features are registered. The order of app init doesn't matter
+// OptionalFeatures is a helper function to aquire features from Instance in context.
-func RequireFeaturesAsync(ctx context.Context, callback interface{}) {
+// See Instance.RequireFeatures for more information.
+func OptionalFeatures(ctx context.Context, callback interface{}) error {
 	v := MustFromContext(ctx)
-	v.RequireFeaturesAsync(callback)
+	return v.RequireFeatures(callback, true)
 }
 
 // New returns a new Xray instance based on given configuration.
@@ -234,9 +227,12 @@ func initInstanceWithConfig(config *Config, server *Instance) (bool, error) {
 		}(),
 	)
 
-	if server.featureResolutions != nil {
+	server.resolveLock.Lock()
+	if server.pendingResolutions != nil {
+		server.resolveLock.Unlock()
 		return true, errors.New("not all dependencies are resolved.")
 	}
+	server.resolveLock.Unlock()
 
 	if err := addInboundHandlers(server, config.Inbound); err != nil {
 		return true, err
@@ -255,8 +251,8 @@ func (s *Instance) Type() interface{} {
 
 // Close shutdown the Xray instance.
 func (s *Instance) Close() error {
-	s.access.Lock()
+	s.statusLock.Lock()
-	defer s.access.Unlock()
+	defer s.statusLock.Unlock()
 
 	s.running = false
 
@@ -275,7 +271,7 @@ func (s *Instance) Close() error {
 
 // RequireFeatures registers a callback, which will be called when all dependent features are registered.
 // The callback must be a func(). All its parameters must be features.Feature.
-func (s *Instance) RequireFeatures(callback interface{}) error {
+func (s *Instance) RequireFeatures(callback interface{}, optional bool) error {
 	callbackType := reflect.TypeOf(callback)
 	if callbackType.Kind() != reflect.Func {
 		panic("not a function")
@@ -290,47 +286,32 @@ func (s *Instance) RequireFeatures(callback interface{}) error {
 		deps:     featureTypes,
 		callback: callback,
 	}
-	if finished, err := r.resolve(s.features); finished {
+
-		return err
+	s.resolveLock.Lock()
+	foundAll := true
+	for _, d := range r.deps {
+		f := getFeature(s.features, d)
+		if f == nil {
+			foundAll = false
+			break
 		}
-	s.featureResolutions = append(s.featureResolutions, r)
+	}
+	if foundAll {
+		s.resolveLock.Unlock()
+		return r.callbackResolution(s.features)
+	} else {
+		if optional {
+			s.pendingOptionalResolutions = append(s.pendingOptionalResolutions, r)
+		} else {
+			s.pendingResolutions = append(s.pendingResolutions, r)
+		}
+		s.resolveLock.Unlock()
 		return nil
-}
-
-// RequireFeaturesAsync registers a callback, which will be called when all dependent features are registered. The order of app init doesn't matter
-func (s *Instance) RequireFeaturesAsync(callback interface{}) {
-	callbackType := reflect.TypeOf(callback)
-	if callbackType.Kind() != reflect.Func {
-		panic("not a function")
 	}
-
-	var featureTypes []reflect.Type
-	for i := 0; i < callbackType.NumIn(); i++ {
-		featureTypes = append(featureTypes, reflect.PtrTo(callbackType.In(i)))
-	}
-
-	r := resolution{
-		deps:     featureTypes,
-		callback: callback,
-	}
-	go func() {
-		var finished = false
-		for i := 0; !finished; i++ {
-			if i > 100000 {
-				errors.LogError(s.ctx, "RequireFeaturesAsync failed after count ", i)
-				break;
-			}
-			finished, _ = r.resolve(s.features)
-			time.Sleep(time.Millisecond)
-		}
-		s.featureResolutions = append(s.featureResolutions, r)
-	}()
 }
 
 // AddFeature registers a feature into current Instance.
 func (s *Instance) AddFeature(feature features.Feature) error {
-	s.features = append(s.features, feature)
-
 	if s.running {
 		if err := feature.Start(); err != nil {
 			errors.LogInfoInner(s.ctx, err, "failed to start feature")
@@ -338,27 +319,52 @@ func (s *Instance) AddFeature(feature features.Feature) error {
 		return nil
 	}
 
-	if s.featureResolutions == nil {
+	s.resolveLock.Lock()
-		return nil
+	s.features = append(s.features, feature)
-	}
 
-	var pendingResolutions []resolution
+	var availableResolution []resolution
-	for _, r := range s.featureResolutions {
+	var pending []resolution
-		finished, err := r.resolve(s.features)
+	for _, r := range s.pendingResolutions {
-		if finished && err != nil {
+		foundAll := true
+		for _, d := range r.deps {
+			f := getFeature(s.features, d)
+			if f == nil {
+				foundAll = false
+				break
+			}
+		}
+		if foundAll {
+			availableResolution = append(availableResolution, r)
+		} else {
+			pending = append(pending, r)
+		}
+	}
+	s.pendingResolutions = pending
+
+	var pendingOptional []resolution
+	for _, r := range s.pendingOptionalResolutions {
+		foundAll := true
+		for _, d := range r.deps {
+			f := getFeature(s.features, d)
+			if f == nil {
+				foundAll = false
+				break
+			}
+		}
+		if foundAll {
+			availableResolution = append(availableResolution, r)
+		} else {
+			pendingOptional = append(pendingOptional, r)
+		}
+	}
+	s.pendingOptionalResolutions = pendingOptional
+	s.resolveLock.Unlock()
+	
+	var err error
+	for _, r := range availableResolution {
+		err = r.callbackResolution(s.features) // only return the last error for now
+	}
 	return err
-		}
-		if !finished {
-			pendingResolutions = append(pendingResolutions, r)
-		}
-	}
-	if len(pendingResolutions) == 0 {
-		s.featureResolutions = nil
-	} else if len(pendingResolutions) < len(s.featureResolutions) {
-		s.featureResolutions = pendingResolutions
-	}
-
-	return nil
 }
 
 // GetFeature returns a feature of the given type, or nil if such feature is not registered.
@@ -371,8 +377,8 @@ func (s *Instance) GetFeature(featureType interface{}) features.Feature {
 //
 // xray:api:stable
 func (s *Instance) Start() error {
-	s.access.Lock()
+	s.statusLock.Lock()
-	defer s.access.Unlock()
+	defer s.statusLock.Unlock()
 
 	s.running = true
 	for _, f := range s.features {

core/xray_test.go

@@ -30,7 +30,7 @@ func TestXrayDependency(t *testing.T) {
 			t.Error("expected dns client fulfilled, but actually nil")
 		}
 		wait <- true
-	})
+	}, false)
 	instance.AddFeature(localdns.New())
 	<-wait
 }

go.mod

@@ -2,8 +2,6 @@ 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
@@ -14,7 +12,6 @@ require (
 	github.com/miekg/dns v1.1.62
 	github.com/pelletier/go-toml v1.9.5
 	github.com/pires/go-proxyproto v0.8.0
-	github.com/quic-go/quic-go v0.46.0
 	github.com/refraction-networking/utls v1.6.7
 	github.com/sagernet/sing v0.5.1
 	github.com/sagernet/sing-shadowsocks v0.2.7
@@ -22,15 +19,16 @@ require (
 	github.com/stretchr/testify v1.10.0
 	github.com/v2fly/ss-bloomring v0.0.0-20210312155135-28617310f63e
 	github.com/vishvananda/netlink v1.3.0
+	github.com/xtls/quic-go v0.0.0-20241220091641-6f5777d1c087
 	github.com/xtls/reality v0.0.0-20240712055506-48f0b2d5ed6d
 	go4.org/netipx v0.0.0-20231129151722-fdeea329fbba
 	golang.org/x/crypto v0.31.0
-	golang.org/x/net v0.32.0
+	golang.org/x/net v0.33.0
 	golang.org/x/sync v0.10.0
 	golang.org/x/sys v0.28.0
 	golang.zx2c4.com/wireguard v0.0.0-20231211153847-12269c276173
 	google.golang.org/grpc v1.67.1
-	google.golang.org/protobuf v1.36.0
+	google.golang.org/protobuf v1.36.1
 	gvisor.dev/gvisor v0.0.0-20231202080848-1f7806d17489
 	h12.io/socks v1.0.3
 	lukechampine.com/blake3 v1.3.0

go.sum

@@ -68,8 +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 v0.0.0-20241220091641-6f5777d1c087 h1:kKPg/cJPSKnE50VXVBskDYYSBkl4X3sMCIbTy+XKNGk=
-github.com/xtls/quic-go v0.46.2/go.mod h1:1dLehS7TIR64+vxGR70GDcatWTOtMX2PUtnKsjbTurI=
+github.com/xtls/quic-go v0.0.0-20241220091641-6f5777d1c087/go.mod h1:mN9lAuc8Vt7eHvnQkDIH5+uHh+DcLmTBma9rLqk/rPY=
 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=
@@ -89,8 +89,8 @@ golang.org/x/mod v0.18.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.32.0 h1:ZqPmj8Kzc+Y6e0+skZsuACbx+wzMgo5MQsJh9Qd6aYI=
+golang.org/x/net v0.33.0 h1:74SYHlV8BIgHIFC/LrYkOGIwL19eTYXQ5wc6TBuO36I=
-golang.org/x/net v0.32.0/go.mod h1:CwU0IoeOlnQQWJ6ioyFrfRuomB8GKF6KbYXZVyeXNfs=
+golang.org/x/net v0.33.0/go.mod h1:HXLR5J+9DxmrqMwG9qjGCxZ+zKXxBru04zlTvWlWuN4=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.10.0 h1:3NQrjDixjgGwUOCaF8w2+VYHv0Ve/vGYSbdkTa98gmQ=
@@ -129,8 +129,8 @@ google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142 h1:
 google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU=
 google.golang.org/grpc v1.67.1 h1:zWnc1Vrcno+lHZCOofnIMvycFcc0QRGIzm9dhnDX68E=
 google.golang.org/grpc v1.67.1/go.mod h1:1gLDyUQU7CTLJI90u3nXZ9ekeghjeM7pTDZlqFNg2AA=
-google.golang.org/protobuf v1.36.0 h1:mjIs9gYtt56AzC4ZaffQuh88TZurBGhIJMBZGSxNerQ=
+google.golang.org/protobuf v1.36.1 h1:yBPeRvTftaleIgM3PZ/WBIZ7XM/eEYAaEyCwvyjq/gk=
-google.golang.org/protobuf v1.36.0/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
+google.golang.org/protobuf v1.36.1/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

infra/conf/transport_internet.go

@@ -240,8 +240,8 @@ type XmuxConfig struct {
 	MaxConcurrency   Int32Range `json:"maxConcurrency"`
 	MaxConnections   Int32Range `json:"maxConnections"`
 	CMaxReuseTimes   Int32Range `json:"cMaxReuseTimes"`
-	CMaxLifetimeMs   Int32Range `json:"cMaxLifetimeMs"`
 	HMaxRequestTimes Int32Range `json:"hMaxRequestTimes"`
+	HMaxReusableSecs Int32Range `json:"hMaxReusableSecs"`
 	HKeepAlivePeriod int64      `json:"hKeepAlivePeriod"`
 }
 
@@ -262,7 +262,6 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
 		extra.Host = c.Host
 		extra.Path = c.Path
 		extra.Mode = c.Mode
-		extra.Extra = c.Extra
 		c = &extra
 	}
 
@@ -287,10 +286,10 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
 	if c.Xmux == (XmuxConfig{}) {
 		c.Xmux.MaxConcurrency.From = 16
 		c.Xmux.MaxConcurrency.To = 32
-		c.Xmux.CMaxReuseTimes.From = 64
+		c.Xmux.HMaxRequestTimes.From = 600
-		c.Xmux.CMaxReuseTimes.To = 128
-		c.Xmux.HMaxRequestTimes.From = 800
 		c.Xmux.HMaxRequestTimes.To = 900
+		c.Xmux.HMaxReusableSecs.From = 1800
+		c.Xmux.HMaxReusableSecs.To = 3000
 	}
 
 	config := &splithttp.Config{
@@ -308,8 +307,8 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
 			MaxConcurrency:   newRangeConfig(c.Xmux.MaxConcurrency),
 			MaxConnections:   newRangeConfig(c.Xmux.MaxConnections),
 			CMaxReuseTimes:   newRangeConfig(c.Xmux.CMaxReuseTimes),
-			CMaxLifetimeMs:   newRangeConfig(c.Xmux.CMaxLifetimeMs),
 			HMaxRequestTimes: newRangeConfig(c.Xmux.HMaxRequestTimes),
+			HMaxReusableSecs: newRangeConfig(c.Xmux.HMaxReusableSecs),
 			HKeepAlivePeriod: c.Xmux.HKeepAlivePeriod,
 		},
 	}
@@ -318,9 +317,6 @@ func (c *SplitHTTPConfig) Build() (proto.Message, error) {
 		if c.Mode == "stream-one" {
 			return nil, errors.New(`Can not use "downloadSettings" in "stream-one" mode.`)
 		}
-		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)
@@ -689,7 +685,7 @@ type SocketConfig struct {
 	TCPCongestion        string                 `json:"tcpCongestion"`
 	TCPWindowClamp       int32                  `json:"tcpWindowClamp"`
 	TCPMaxSeg            int32                  `json:"tcpMaxSeg"`
-	TcpNoDelay           bool                   `json:"tcpNoDelay"`
+	Penetrate            bool                   `json:"penetrate"`
 	TCPUserTimeout       int32                  `json:"tcpUserTimeout"`
 	V6only               bool                   `json:"v6only"`
 	Interface            string                 `json:"interface"`
@@ -776,7 +772,7 @@ func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
 		TcpCongestion:        c.TCPCongestion,
 		TcpWindowClamp:       c.TCPWindowClamp,
 		TcpMaxSeg:            c.TCPMaxSeg,
-		TcpNoDelay:           c.TcpNoDelay,
+		Penetrate:            c.Penetrate,
 		TcpUserTimeout:       c.TCPUserTimeout,
 		V6Only:               c.V6only,
 		Interface:            c.Interface,

infra/conf/xray.go

@@ -24,6 +24,7 @@ var (
 		"dokodemo-door": func() interface{} { return new(DokodemoConfig) },
 		"http":          func() interface{} { return new(HTTPServerConfig) },
 		"shadowsocks":   func() interface{} { return new(ShadowsocksServerConfig) },
+		"mixed":         func() interface{} { return new(SocksServerConfig) },
 		"socks":         func() interface{} { return new(SocksServerConfig) },
 		"vless":         func() interface{} { return new(VLessInboundConfig) },
 		"vmess":         func() interface{} { return new(VMessInboundConfig) },

infra/vformat/main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"errors"
 	"flag"
 	"fmt"
 	"go/build"
@@ -18,7 +19,7 @@ var directory = flag.String("pwd", "", "Working directory of Xray vformat.")
 func envFile() (string, error) {
 	if file := os.Getenv("GOENV"); file != "" {
 		if file == "off" {
-			return "", fmt.Errorf("GOENV=off")
+			return "", errors.New("GOENV=off")
 		}
 		return file, nil
 	}
@@ -27,7 +28,7 @@ func envFile() (string, error) {
 		return "", err
 	}
 	if dir == "" {
-		return "", fmt.Errorf("missing user-config dir")
+		return "", errors.New("missing user-config dir")
 	}
 	return filepath.Join(dir, "go", "env"), nil
 }
@@ -40,7 +41,7 @@ func GetRuntimeEnv(key string) (string, error) {
 		return "", err
 	}
 	if file == "" {
-		return "", fmt.Errorf("missing runtime env file")
+		return "", errors.New("missing runtime env file")
 	}
 	var data []byte
 	var runtimeEnv string

infra/vprotogen/main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"errors"
 	"flag"
 	"fmt"
 	"go/build"
@@ -22,7 +23,7 @@ var directory = flag.String("pwd", "", "Working directory of Xray vprotogen.")
 func envFile() (string, error) {
 	if file := os.Getenv("GOENV"); file != "" {
 		if file == "off" {
-			return "", fmt.Errorf("GOENV=off")
+			return "", errors.New("GOENV=off")
 		}
 		return file, nil
 	}
@@ -31,7 +32,7 @@ func envFile() (string, error) {
 		return "", err
 	}
 	if dir == "" {
-		return "", fmt.Errorf("missing user-config dir")
+		return "", errors.New("missing user-config dir")
 	}
 	return filepath.Join(dir, "go", "env"), nil
 }
@@ -44,7 +45,7 @@ func GetRuntimeEnv(key string) (string, error) {
 		return "", err
 	}
 	if file == "" {
-		return "", fmt.Errorf("missing runtime env file")
+		return "", errors.New("missing runtime env file")
 	}
 	var data []byte
 	var runtimeEnv string
@@ -101,12 +102,12 @@ Download %s v%s or later from https://github.com/protocolbuffers/protobuf/releas
 func getProjectProtocVersion(url string) (string, error) {
 	resp, err := http.Get(url)
 	if err != nil {
-		return "", fmt.Errorf("can not get the version of protobuf used in xray project")
+		return "", errors.New("can not get the version of protobuf used in xray project")
 	}
 	defer resp.Body.Close()
 	body, err := io.ReadAll(resp.Body)
 	if err != nil {
-		return "", fmt.Errorf("can not read from body")
+		return "", errors.New("can not read from body")
 	}
 	versionRegexp := regexp.MustCompile(`\/\/\s*protoc\s*v\d+\.(\d+\.\d+)`)
 	matched := versionRegexp.FindStringSubmatch(string(body))

main/commands/all/api/shared.go

@@ -3,6 +3,7 @@ package api
 import (
 	"bytes"
 	"context"
+	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -101,7 +102,7 @@ func fetchHTTPContent(target string) ([]byte, error) {
 
 	content, err := buf.ReadAllToBytes(resp.Body)
 	if err != nil {
-		return nil, fmt.Errorf("failed to read HTTP response")
+		return nil, errors.New("failed to read HTTP response")
 	}
 
 	return content, nil

proxy/dns/dns.go

@@ -27,7 +27,7 @@ func init() {
 	common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
 		h := new(Handler)
 		if err := core.RequireFeatures(ctx, func(dnsClient dns.Client, policyManager policy.Manager) error {
-			core.RequireFeatures(ctx, func(fdns dns.FakeDNSEngine) { // FakeDNSEngine is optional
+			core.OptionalFeatures(ctx, func(fdns dns.FakeDNSEngine) {
 				h.fdns = fdns
 			})
 			return h.Init(config.(*Config), dnsClient, policyManager)

proxy/dokodemo/dokodemo.go

@@ -2,6 +2,7 @@ package dokodemo
 
 import (
 	"context"
+	"runtime"
 	"sync/atomic"
 
 	"github.com/xtls/xray-core/common"
@@ -147,10 +148,6 @@ func (d *DokodemoDoor) Process(ctx context.Context, network net.Network, conn st
 		return nil
 	}
 
-	tproxyRequest := func() error {
-		return nil
-	}
-
 	var writer buf.Writer
 	if network == net.Network_TCP {
 		writer = buf.NewWriter(conn)
@@ -180,7 +177,12 @@ func (d *DokodemoDoor) Process(ctx context.Context, network net.Network, conn st
 				return err
 			}
 			writer = NewPacketWriter(pConn, &dest, mark, back)
-			defer writer.(*PacketWriter).Close()
+			defer func() {
+				runtime.Gosched()
+				common.Interrupt(link.Reader) // maybe duplicated
+				runtime.Gosched()
+				writer.(*PacketWriter).Close() // close fake UDP conns
+			}()
 			/*
 				sockopt := &internet.SocketConfig{
 					Tproxy: internet.SocketConfig_TProxy,
@@ -219,17 +221,24 @@ func (d *DokodemoDoor) Process(ctx context.Context, network net.Network, conn st
 	responseDone := func() error {
 		defer timer.SetTimeout(plcy.Timeouts.UplinkOnly)
 
+		if network == net.Network_UDP && destinationOverridden {
+			buf.Copy(link.Reader, writer) // respect upload's timeout
+			return nil
+		}
+
 		if err := buf.Copy(link.Reader, writer, buf.UpdateActivity(timer)); err != nil {
 			return errors.New("failed to transport response").Base(err)
 		}
 		return nil
 	}
 
-	if err := task.Run(ctx, task.OnSuccess(func() error {
+	if err := task.Run(ctx,
-		return task.Run(ctx, requestDone, tproxyRequest)
+		task.OnSuccess(func() error { return task.Run(ctx, requestDone) }, task.Close(link.Writer)),
-	}, task.Close(link.Writer)), responseDone); err != nil {
+		responseDone); err != nil {
-		common.Interrupt(link.Reader)
+		runtime.Gosched()
 		common.Interrupt(link.Writer)
+		runtime.Gosched()
+		common.Interrupt(link.Reader)
 		return errors.New("connection ends").Base(err)
 	}
 

transport/internet/config.pb.go

@@ -448,7 +448,7 @@ type SocketConfig struct {
 	TcpWindowClamp             int32            `protobuf:"varint,15,opt,name=tcp_window_clamp,json=tcpWindowClamp,proto3" json:"tcp_window_clamp,omitempty"`
 	TcpUserTimeout             int32            `protobuf:"varint,16,opt,name=tcp_user_timeout,json=tcpUserTimeout,proto3" json:"tcp_user_timeout,omitempty"`
 	TcpMaxSeg                  int32            `protobuf:"varint,17,opt,name=tcp_max_seg,json=tcpMaxSeg,proto3" json:"tcp_max_seg,omitempty"`
-	TcpNoDelay                 bool             `protobuf:"varint,18,opt,name=tcp_no_delay,json=tcpNoDelay,proto3" json:"tcp_no_delay,omitempty"`
+	Penetrate                  bool             `protobuf:"varint,18,opt,name=penetrate,proto3" json:"penetrate,omitempty"`
 	TcpMptcp                   bool             `protobuf:"varint,19,opt,name=tcp_mptcp,json=tcpMptcp,proto3" json:"tcp_mptcp,omitempty"`
 	CustomSockopt              []*CustomSockopt `protobuf:"bytes,20,rep,name=customSockopt,proto3" json:"customSockopt,omitempty"`
 }
@@ -602,9 +602,9 @@ func (x *SocketConfig) GetTcpMaxSeg() int32 {
 	return 0
 }
 
-func (x *SocketConfig) GetTcpNoDelay() bool {
+func (x *SocketConfig) GetPenetrate() bool {
 	if x != nil {
-		return x.TcpNoDelay
+		return x.Penetrate
 	}
 	return false
 }
@@ -678,7 +678,7 @@ var file_transport_internet_config_proto_rawDesc = []byte{
 	0x28, 0x09, 0x52, 0x03, 0x6f, 0x70, 0x74, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65,
 	0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x12, 0x12, 0x0a,
 	0x04, 0x74, 0x79, 0x70, 0x65, 0x18, 0x04, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x74, 0x79, 0x70,
-	0x65, 0x22, 0x9f, 0x07, 0x0a, 0x0c, 0x53, 0x6f, 0x63, 0x6b, 0x65, 0x74, 0x43, 0x6f, 0x6e, 0x66,
+	0x65, 0x22, 0x9b, 0x07, 0x0a, 0x0c, 0x53, 0x6f, 0x63, 0x6b, 0x65, 0x74, 0x43, 0x6f, 0x6e, 0x66,
 	0x69, 0x67, 0x12, 0x12, 0x0a, 0x04, 0x6d, 0x61, 0x72, 0x6b, 0x18, 0x01, 0x20, 0x01, 0x28, 0x05,
 	0x52, 0x04, 0x6d, 0x61, 0x72, 0x6b, 0x12, 0x10, 0x0a, 0x03, 0x74, 0x66, 0x6f, 0x18, 0x02, 0x20,
 	0x01, 0x28, 0x05, 0x52, 0x03, 0x74, 0x66, 0x6f, 0x12, 0x48, 0x0a, 0x06, 0x74, 0x70, 0x72, 0x6f,
@@ -724,36 +724,36 @@ var file_transport_internet_config_proto_rawDesc = []byte{
 	0x10, 0x20, 0x01, 0x28, 0x05, 0x52, 0x0e, 0x74, 0x63, 0x70, 0x55, 0x73, 0x65, 0x72, 0x54, 0x69,
 	0x6d, 0x65, 0x6f, 0x75, 0x74, 0x12, 0x1e, 0x0a, 0x0b, 0x74, 0x63, 0x70, 0x5f, 0x6d, 0x61, 0x78,
 	0x5f, 0x73, 0x65, 0x67, 0x18, 0x11, 0x20, 0x01, 0x28, 0x05, 0x52, 0x09, 0x74, 0x63, 0x70, 0x4d,
-	0x61, 0x78, 0x53, 0x65, 0x67, 0x12, 0x20, 0x0a, 0x0c, 0x74, 0x63, 0x70, 0x5f, 0x6e, 0x6f, 0x5f,
+	0x61, 0x78, 0x53, 0x65, 0x67, 0x12, 0x1c, 0x0a, 0x09, 0x70, 0x65, 0x6e, 0x65, 0x74, 0x72, 0x61,
-	0x64, 0x65, 0x6c, 0x61, 0x79, 0x18, 0x12, 0x20, 0x01, 0x28, 0x08, 0x52, 0x0a, 0x74, 0x63, 0x70,
+	0x74, 0x65, 0x18, 0x12, 0x20, 0x01, 0x28, 0x08, 0x52, 0x09, 0x70, 0x65, 0x6e, 0x65, 0x74, 0x72,
-	0x4e, 0x6f, 0x44, 0x65, 0x6c, 0x61, 0x79, 0x12, 0x1b, 0x0a, 0x09, 0x74, 0x63, 0x70, 0x5f, 0x6d,
+	0x61, 0x74, 0x65, 0x12, 0x1b, 0x0a, 0x09, 0x74, 0x63, 0x70, 0x5f, 0x6d, 0x70, 0x74, 0x63, 0x70,
-	0x70, 0x74, 0x63, 0x70, 0x18, 0x13, 0x20, 0x01, 0x28, 0x08, 0x52, 0x08, 0x74, 0x63, 0x70, 0x4d,
+	0x18, 0x13, 0x20, 0x01, 0x28, 0x08, 0x52, 0x08, 0x74, 0x63, 0x70, 0x4d, 0x70, 0x74, 0x63, 0x70,
-	0x70, 0x74, 0x63, 0x70, 0x12, 0x4c, 0x0a, 0x0d, 0x63, 0x75, 0x73, 0x74, 0x6f, 0x6d, 0x53, 0x6f,
+	0x12, 0x4c, 0x0a, 0x0d, 0x63, 0x75, 0x73, 0x74, 0x6f, 0x6d, 0x53, 0x6f, 0x63, 0x6b, 0x6f, 0x70,
-	0x63, 0x6b, 0x6f, 0x70, 0x74, 0x18, 0x14, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x26, 0x2e, 0x78, 0x72,
+	0x74, 0x18, 0x14, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x26, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74,
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+	0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65,
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+	0x74, 0x2e, 0x43, 0x75, 0x73, 0x74, 0x6f, 0x6d, 0x53, 0x6f, 0x63, 0x6b, 0x6f, 0x70, 0x74, 0x52,
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+	0x01, 0x12, 0x0c, 0x0a, 0x08, 0x52, 0x65, 0x64, 0x69, 0x72, 0x65, 0x63, 0x74, 0x10, 0x02, 0x2a,
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+	0xa9, 0x01, 0x0a, 0x0e, 0x44, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x53, 0x74, 0x72, 0x61, 0x74, 0x65,
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+	0x67, 0x79, 0x12, 0x09, 0x0a, 0x05, 0x41, 0x53, 0x5f, 0x49, 0x53, 0x10, 0x00, 0x12, 0x0a, 0x0a,
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+	0x06, 0x55, 0x53, 0x45, 0x5f, 0x49, 0x50, 0x10, 0x01, 0x12, 0x0b, 0x0a, 0x07, 0x55, 0x53, 0x45,
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+	0x5f, 0x49, 0x50, 0x34, 0x10, 0x02, 0x12, 0x0b, 0x0a, 0x07, 0x55, 0x53, 0x45, 0x5f, 0x49, 0x50,
-	0x45, 0x5f, 0x49, 0x50, 0x36, 0x10, 0x03, 0x12, 0x0c, 0x0a, 0x08, 0x55, 0x53, 0x45, 0x5f, 0x49,
+	0x36, 0x10, 0x03, 0x12, 0x0c, 0x0a, 0x08, 0x55, 0x53, 0x45, 0x5f, 0x49, 0x50, 0x34, 0x36, 0x10,
-	0x50, 0x34, 0x36, 0x10, 0x04, 0x12, 0x0c, 0x0a, 0x08, 0x55, 0x53, 0x45, 0x5f, 0x49, 0x50, 0x36,
+	0x04, 0x12, 0x0c, 0x0a, 0x08, 0x55, 0x53, 0x45, 0x5f, 0x49, 0x50, 0x36, 0x34, 0x10, 0x05, 0x12,
-	0x34, 0x10, 0x05, 0x12, 0x0c, 0x0a, 0x08, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x10,
+	0x0c, 0x0a, 0x08, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x10, 0x06, 0x12, 0x0d, 0x0a,
-	0x06, 0x12, 0x0d, 0x0a, 0x09, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x34, 0x10, 0x07,
+	0x09, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x34, 0x10, 0x07, 0x12, 0x0d, 0x0a, 0x09,
-	0x12, 0x0d, 0x0a, 0x09, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x36, 0x10, 0x08, 0x12,
+	0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x36, 0x10, 0x08, 0x12, 0x0e, 0x0a, 0x0a, 0x46,
-	0x0e, 0x0a, 0x0a, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x34, 0x36, 0x10, 0x09, 0x12,
+	0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x34, 0x36, 0x10, 0x09, 0x12, 0x0e, 0x0a, 0x0a, 0x46,
-	0x0e, 0x0a, 0x0a, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x36, 0x34, 0x10, 0x0a, 0x42,
+	0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x36, 0x34, 0x10, 0x0a, 0x42, 0x67, 0x0a, 0x1b, 0x63,
-	0x67, 0x0a, 0x1b, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e,
+	0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72,
-	0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x50, 0x01,
+	0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x50, 0x01, 0x5a, 0x2c, 0x67, 0x69,
-	0x5a, 0x2c, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c,
+	0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72,
-	0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x74, 0x72, 0x61, 0x6e,
+	0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72,
-	0x73, 0x70, 0x6f, 0x72, 0x74, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0xaa, 0x02,
+	0x74, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0xaa, 0x02, 0x17, 0x58, 0x72, 0x61,
-	0x17, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x54, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e,
+	0x79, 0x2e, 0x54, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x49, 0x6e, 0x74, 0x65,
-	0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x72, 0x6e, 0x65, 0x74, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (

transport/internet/config.proto

@@ -111,7 +111,7 @@ message SocketConfig {
 
   int32 tcp_max_seg = 17;
 
-  bool tcp_no_delay = 18;
+  bool penetrate = 18;
 
   bool tcp_mptcp = 19;
 

transport/internet/sockopt_darwin.go

@@ -136,12 +136,6 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 				return errors.New("failed to unset SO_KEEPALIVE", err)
 			}
 		}
-
-		if config.TcpNoDelay {
-			if err := unix.SetsockoptInt(int(fd), unix.IPPROTO_TCP, unix.TCP_NODELAY, 1); err != nil {
-				return errors.New("failed to set TCP_NODELAY", err)
-			}
-		}
 	}
 
 	return nil

transport/internet/sockopt_linux.go

@@ -103,11 +103,6 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 			}
 		}
 
-		if config.TcpNoDelay {
-			if err := syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, unix.TCP_NODELAY, 1); err != nil {
-				return errors.New("failed to set TCP_NODELAY", err)
-			}
-		}
 		if len(config.CustomSockopt) > 0 {
 			for _, custom := range config.CustomSockopt {
 				var level = 0x6 // default TCP

transport/internet/sockopt_windows.go

@@ -61,11 +61,6 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
 				return errors.New("failed to unset SO_KEEPALIVE", err)
 			}
 		}
-		if config.TcpNoDelay {
-			if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.IPPROTO_TCP, syscall.TCP_NODELAY, 1); err != nil {
-				return errors.New("failed to set TCP_NODELAY", err)
-			}
-		}
 	}
 
 	return nil

transport/internet/splithttp/browser_client.go

@@ -17,16 +17,12 @@ func (c *BrowserDialerClient) IsClosed() bool {
 	panic("not implemented yet")
 }
 
-func (c *BrowserDialerClient) Open(ctx context.Context, pureURL string) (io.WriteCloser, io.ReadCloser) {
+func (c *BrowserDialerClient) OpenStream(ctx context.Context, url string, body io.Reader, uploadOnly bool) (io.ReadCloser, gonet.Addr, gonet.Addr, error) {
+	if body != nil {
 		panic("not implemented yet")
-}
+	}
 
-func (c *BrowserDialerClient) OpenUpload(ctx context.Context, baseURL string) io.WriteCloser {
+	conn, err := browser_dialer.DialGet(url)
-	panic("not implemented yet")
-}
-
-func (c *BrowserDialerClient) OpenDownload(ctx context.Context, baseURL string) (io.ReadCloser, gonet.Addr, gonet.Addr, error) {
-	conn, err := browser_dialer.DialGet(baseURL)
 	dummyAddr := &gonet.IPAddr{}
 	if err != nil {
 		return nil, dummyAddr, dummyAddr, err
@@ -35,8 +31,8 @@ func (c *BrowserDialerClient) OpenDownload(ctx context.Context, baseURL string)
 	return websocket.NewConnection(conn, dummyAddr, nil, 0), conn.RemoteAddr(), conn.LocalAddr(), nil
 }
 
-func (c *BrowserDialerClient) SendUploadRequest(ctx context.Context, url string, payload io.ReadWriteCloser, contentLength int64) error {
+func (c *BrowserDialerClient) PostPacket(ctx context.Context, url string, body io.Reader, contentLength int64) error {
-	bytes, err := io.ReadAll(payload)
+	bytes, err := io.ReadAll(body)
 	if err != nil {
 		return err
 	}

transport/internet/splithttp/client.go

@@ -20,21 +20,11 @@ import (
 type DialerClient interface {
 	IsClosed() bool
 
-	// (ctx, baseURL, payload) -> err
+	// ctx, url, body, uploadOnly
-	// baseURL already contains sessionId and seq
+	OpenStream(context.Context, string, io.Reader, bool) (io.ReadCloser, net.Addr, net.Addr, error)
-	SendUploadRequest(context.Context, string, io.ReadWriteCloser, int64) error
 
-	// (ctx, baseURL) -> (downloadReader, remoteAddr, localAddr)
+	// ctx, url, body, contentLength
-	// baseURL already contains sessionId
+	PostPacket(context.Context, string, io.Reader, int64) error
-	OpenDownload(context.Context, string) (io.ReadCloser, net.Addr, net.Addr, error)
-
-	// (ctx, baseURL) -> uploadWriter
-	// baseURL already contains sessionId
-	OpenUpload(context.Context, string) io.WriteCloser
-
-	// (ctx, pureURL) -> (uploadWriter, downloadReader)
-	// pureURL can not contain sessionId
-	Open(context.Context, string) (io.WriteCloser, io.ReadCloser)
 }
 
 // implements splithttp.DialerClient in terms of direct network connections
@@ -52,136 +42,56 @@ func (c *DefaultDialerClient) IsClosed() bool {
 	return c.closed
 }
 
-func (c *DefaultDialerClient) Open(ctx context.Context, pureURL string) (io.WriteCloser, io.ReadCloser) {
+func (c *DefaultDialerClient) OpenStream(ctx context.Context, url string, body io.Reader, uploadOnly bool) (wrc io.ReadCloser, remoteAddr, localAddr gonet.Addr, err error) {
-	reader, writer := io.Pipe()
-	req, _ := http.NewRequestWithContext(ctx, "POST", pureURL, reader)
-	req.Header = c.transportConfig.GetRequestHeader()
-	if !c.transportConfig.NoGRPCHeader {
-		req.Header.Set("Content-Type", "application/grpc")
-	}
-	wrc := &WaitReadCloser{Wait: make(chan struct{})}
-	go func() {
-		response, err := c.client.Do(req)
-		if err != nil || response.StatusCode != 200 {
-			if err != nil {
-				errors.LogInfoInner(ctx, err, "failed to open ", pureURL)
-			} else {
-				// c.closed = true
-				response.Body.Close()
-				errors.LogInfo(ctx, "unexpected status ", response.StatusCode)
-			}
-			wrc.Close()
-			return
-		}
-		wrc.Set(response.Body)
-	}()
-	return writer, wrc
-}
-
-func (c *DefaultDialerClient) OpenUpload(ctx context.Context, baseURL string) io.WriteCloser {
-	reader, writer := io.Pipe()
-	req, _ := http.NewRequestWithContext(ctx, "POST", baseURL, reader)
-	req.Header = c.transportConfig.GetRequestHeader()
-	if !c.transportConfig.NoGRPCHeader {
-		req.Header.Set("Content-Type", "application/grpc")
-	}
-	go func() {
-		if resp, err := c.client.Do(req); err == nil {
-			if resp.StatusCode != 200 {
-				// c.closed = true
-			}
-			resp.Body.Close()
-		}
-	}()
-	return writer
-}
-
-func (c *DefaultDialerClient) OpenDownload(ctx context.Context, baseURL string) (io.ReadCloser, gonet.Addr, gonet.Addr, error) {
-	var remoteAddr gonet.Addr
-	var localAddr gonet.Addr
 	// this is done when the TCP/UDP connection to the server was established,
 	// and we can unblock the Dial function and print correct net addresses in
 	// logs
 	gotConn := done.New()
-
+	ctx = httptrace.WithClientTrace(ctx, &httptrace.ClientTrace{
-	var downResponse io.ReadCloser
-	gotDownResponse := done.New()
-
-	ctx, ctxCancel := context.WithCancel(ctx)
-
-	go func() {
-		trace := &httptrace.ClientTrace{
 		GotConn: func(connInfo httptrace.GotConnInfo) {
 			remoteAddr = connInfo.Conn.RemoteAddr()
 			localAddr = connInfo.Conn.LocalAddr()
 			gotConn.Close()
 		},
+	})
+
+	method := "GET"
+	if body != nil {
+		method = "POST"
 	}
-
+	req, _ := http.NewRequestWithContext(ctx, method, url, body)
-		// in case we hit an error, we want to unblock this part
-		defer gotConn.Close()
-
-		ctx = httptrace.WithClientTrace(ctx, trace)
-
-		req, err := http.NewRequestWithContext(
-			ctx,
-			"GET",
-			baseURL,
-			nil,
-		)
-		if err != nil {
-			errors.LogInfoInner(ctx, err, "failed to construct download http request")
-			gotDownResponse.Close()
-			return
-		}
-
 	req.Header = c.transportConfig.GetRequestHeader()
+	if method == "POST" && !c.transportConfig.NoGRPCHeader {
+		req.Header.Set("Content-Type", "application/grpc")
+	}
 
-		response, err := c.client.Do(req)
+	wrc = &WaitReadCloser{Wait: make(chan struct{})}
-		gotConn.Close()
+	go func() {
+		resp, err := c.client.Do(req)
 		if err != nil {
-			errors.LogInfoInner(ctx, err, "failed to send download http request")
+			errors.LogInfoInner(ctx, err, "failed to "+method+" "+url)
-			gotDownResponse.Close()
+			gotConn.Close()
+			wrc.Close()
 			return
 		}
-
+		if resp.StatusCode != 200 && !uploadOnly {
-		if response.StatusCode != 200 {
 			// c.closed = true
-			response.Body.Close()
+			errors.LogInfo(ctx, "unexpected status ", resp.StatusCode)
-			errors.LogInfo(ctx, "invalid status code on download:", response.Status)
+		}
-			gotDownResponse.Close()
+		if resp.StatusCode != 200 || uploadOnly {
+			resp.Body.Close()
+			wrc.Close()
 			return
 		}
-
+		wrc.(*WaitReadCloser).Set(resp.Body)
-		downResponse = response.Body
-		gotDownResponse.Close()
 	}()
 
 	<-gotConn.Wait()
-
+	return
-	lazyDownload := &LazyReader{
-		CreateReader: func() (io.Reader, error) {
-			<-gotDownResponse.Wait()
-			if downResponse == nil {
-				return nil, errors.New("downResponse failed")
-			}
-			return downResponse, nil
-		},
-	}
-
-	// workaround for https://github.com/quic-go/quic-go/issues/2143 --
-	// always cancel request context so that Close cancels any Read.
-	// Should then match the behavior of http2 and http1.
-	reader := downloadBody{
-		lazyDownload,
-		ctxCancel,
-	}
-
-	return reader, remoteAddr, localAddr, nil
 }
 
-func (c *DefaultDialerClient) SendUploadRequest(ctx context.Context, url string, payload io.ReadWriteCloser, contentLength int64) error {
+func (c *DefaultDialerClient) PostPacket(ctx context.Context, url string, body io.Reader, contentLength int64) error {
-	req, err := http.NewRequestWithContext(ctx, "POST", url, payload)
+	req, err := http.NewRequestWithContext(ctx, "POST", url, body)
 	if err != nil {
 		return err
 	}
@@ -257,16 +167,6 @@ func (c *DefaultDialerClient) SendUploadRequest(ctx context.Context, url string,
 	return nil
 }
 
-type downloadBody struct {
-	io.Reader
-	cancel context.CancelFunc
-}
-
-func (c downloadBody) Close() error {
-	c.cancel()
-	return nil
-}
-
 type WaitReadCloser struct {
 	Wait chan struct{}
 	io.ReadCloser

transport/internet/splithttp/config.go

@@ -64,12 +64,15 @@ func (c *Config) WriteResponseHeader(writer http.ResponseWriter) {
 	}
 }
 
-func (c *Config) GetNormalizedScMaxBufferedPosts() int {
+func (c *Config) GetNormalizedXPaddingBytes() RangeConfig {
-	if c.ScMaxBufferedPosts == 0 {
+	if c.XPaddingBytes == nil || c.XPaddingBytes.To == 0 {
-		return 30
+		return RangeConfig{
+			From: 100,
+			To:   1000,
+		}
 	}
 
-	return int(c.ScMaxBufferedPosts)
+	return *c.XPaddingBytes
 }
 
 func (c *Config) GetNormalizedScMaxEachPostBytes() RangeConfig {
@@ -94,47 +97,23 @@ func (c *Config) GetNormalizedScMinPostsIntervalMs() RangeConfig {
 	return *c.ScMinPostsIntervalMs
 }
 
-func (c *Config) GetNormalizedXPaddingBytes() RangeConfig {
+func (c *Config) GetNormalizedScMaxBufferedPosts() int {
-	if c.XPaddingBytes == nil || c.XPaddingBytes.To == 0 {
+	if c.ScMaxBufferedPosts == 0 {
-		return RangeConfig{
+		return 30
-			From: 100,
-			To:   1000,
-		}
 	}
 
-	return *c.XPaddingBytes
+	return int(c.ScMaxBufferedPosts)
 }
 
-func (m *XmuxConfig) GetNormalizedCMaxRequestTimes() RangeConfig {
+func (m *XmuxConfig) GetNormalizedMaxConcurrency() RangeConfig {
-	if m.HMaxRequestTimes == nil {
+	if m.MaxConcurrency == nil {
 		return RangeConfig{
 			From: 0,
 			To:   0,
 		}
 	}
 
-	return *m.HMaxRequestTimes
+	return *m.MaxConcurrency
-}
-
-func (m *XmuxConfig) GetNormalizedCMaxReuseTimes() RangeConfig {
-	if m.CMaxReuseTimes == nil {
-		return RangeConfig{
-			From: 0,
-			To:   0,
-		}
-	}
-
-	return *m.CMaxReuseTimes
-}
-
-func (m *XmuxConfig) GetNormalizedCMaxLifetimeMs() RangeConfig {
-	if m.CMaxLifetimeMs == nil {
-		return RangeConfig{
-			From: 0,
-			To:   0,
-		}
-	}
-	return *m.CMaxLifetimeMs
 }
 
 func (m *XmuxConfig) GetNormalizedMaxConnections() RangeConfig {
@@ -148,15 +127,37 @@ func (m *XmuxConfig) GetNormalizedMaxConnections() RangeConfig {
 	return *m.MaxConnections
 }
 
-func (m *XmuxConfig) GetNormalizedMaxConcurrency() RangeConfig {
+func (m *XmuxConfig) GetNormalizedCMaxReuseTimes() RangeConfig {
-	if m.MaxConcurrency == nil {
+	if m.CMaxReuseTimes == nil {
 		return RangeConfig{
 			From: 0,
 			To:   0,
 		}
 	}
 
-	return *m.MaxConcurrency
+	return *m.CMaxReuseTimes
+}
+
+func (m *XmuxConfig) GetNormalizedHMaxRequestTimes() RangeConfig {
+	if m.HMaxRequestTimes == nil {
+		return RangeConfig{
+			From: 0,
+			To:   0,
+		}
+	}
+
+	return *m.HMaxRequestTimes
+}
+
+func (m *XmuxConfig) GetNormalizedHMaxReusableSecs() RangeConfig {
+	if m.HMaxReusableSecs == nil {
+		return RangeConfig{
+			From: 0,
+			To:   0,
+		}
+	}
+
+	return *m.HMaxReusableSecs
 }
 
 func init() {

transport/internet/splithttp/config.pb.go

@@ -82,8 +82,8 @@ type XmuxConfig struct {
 	MaxConcurrency   *RangeConfig `protobuf:"bytes,1,opt,name=maxConcurrency,proto3" json:"maxConcurrency,omitempty"`
 	MaxConnections   *RangeConfig `protobuf:"bytes,2,opt,name=maxConnections,proto3" json:"maxConnections,omitempty"`
 	CMaxReuseTimes   *RangeConfig `protobuf:"bytes,3,opt,name=cMaxReuseTimes,proto3" json:"cMaxReuseTimes,omitempty"`
-	CMaxLifetimeMs   *RangeConfig `protobuf:"bytes,4,opt,name=cMaxLifetimeMs,proto3" json:"cMaxLifetimeMs,omitempty"`
+	HMaxRequestTimes *RangeConfig `protobuf:"bytes,4,opt,name=hMaxRequestTimes,proto3" json:"hMaxRequestTimes,omitempty"`
-	HMaxRequestTimes *RangeConfig `protobuf:"bytes,5,opt,name=hMaxRequestTimes,proto3" json:"hMaxRequestTimes,omitempty"`
+	HMaxReusableSecs *RangeConfig `protobuf:"bytes,5,opt,name=hMaxReusableSecs,proto3" json:"hMaxReusableSecs,omitempty"`
 	HKeepAlivePeriod int64        `protobuf:"varint,6,opt,name=hKeepAlivePeriod,proto3" json:"hKeepAlivePeriod,omitempty"`
 }
 
@@ -138,16 +138,16 @@ func (x *XmuxConfig) GetCMaxReuseTimes() *RangeConfig {
 	return nil
 }
 
-func (x *XmuxConfig) GetCMaxLifetimeMs() *RangeConfig {
+func (x *XmuxConfig) GetHMaxRequestTimes() *RangeConfig {
 	if x != nil {
-		return x.CMaxLifetimeMs
+		return x.HMaxRequestTimes
 	}
 	return nil
 }
 
-func (x *XmuxConfig) GetHMaxRequestTimes() *RangeConfig {
+func (x *XmuxConfig) GetHMaxReusableSecs() *RangeConfig {
 	if x != nil {
-		return x.HMaxRequestTimes
+		return x.HMaxReusableSecs
 	}
 	return nil
 }
@@ -305,7 +305,7 @@ var file_transport_internet_splithttp_config_proto_rawDesc = []byte{
 	0x31, 0x0a, 0x0b, 0x52, 0x61, 0x6e, 0x67, 0x65, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x12,
 	0x0a, 0x04, 0x66, 0x72, 0x6f, 0x6d, 0x18, 0x01, 0x20, 0x01, 0x28, 0x05, 0x52, 0x04, 0x66, 0x72,
 	0x6f, 0x6d, 0x12, 0x0e, 0x0a, 0x02, 0x74, 0x6f, 0x18, 0x02, 0x20, 0x01, 0x28, 0x05, 0x52, 0x02,
-	0x74, 0x6f, 0x22, 0xf4, 0x03, 0x0a, 0x0a, 0x58, 0x6d, 0x75, 0x78, 0x43, 0x6f, 0x6e, 0x66, 0x69,
+	0x74, 0x6f, 0x22, 0xf8, 0x03, 0x0a, 0x0a, 0x58, 0x6d, 0x75, 0x78, 0x43, 0x6f, 0x6e, 0x66, 0x69,
 	0x67, 0x12, 0x56, 0x0a, 0x0e, 0x6d, 0x61, 0x78, 0x43, 0x6f, 0x6e, 0x63, 0x75, 0x72, 0x72, 0x65,
 	0x6e, 0x63, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x2e, 0x2e, 0x78, 0x72, 0x61, 0x79,
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@@ -322,78 +322,78 @@ var file_transport_internet_splithttp_config_proto_rawDesc = []byte{
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-	0x65, 0x72, 0x73, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x12, 0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18,
+	0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x73,
-	0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61,
+	0x70, 0x6c, 0x69, 0x74, 0x68, 0x74, 0x74, 0x70, 0x2e, 0x58, 0x6d, 0x75, 0x78, 0x43, 0x6f, 0x6e,
-	0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65,
+	0x66, 0x69, 0x67, 0x52, 0x04, 0x78, 0x6d, 0x75, 0x78, 0x12, 0x51, 0x0a, 0x10, 0x64, 0x6f, 0x77,
-	0x3a, 0x02, 0x38, 0x01, 0x42, 0x85, 0x01, 0x0a, 0x25, 0x63, 0x6f, 0x6d, 0x2e, 0x78, 0x72, 0x61,
+	0x6e, 0x6c, 0x6f, 0x61, 0x64, 0x53, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x18, 0x0c, 0x20,
-	0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65,
+	0x01, 0x28, 0x0b, 0x32, 0x25, 0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73,
-	0x72, 0x6e, 0x65, 0x74, 0x2e, 0x73, 0x70, 0x6c, 0x69, 0x74, 0x68, 0x74, 0x74, 0x70, 0x50, 0x01,
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-	0x5a, 0x36, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c,
+	0x72, 0x65, 0x61, 0x6d, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x52, 0x10, 0x64, 0x6f, 0x77, 0x6e,
-	0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x74, 0x72, 0x61, 0x6e,
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-	0x73, 0x70, 0x6f, 0x72, 0x74, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2f, 0x73,
+	0x48, 0x65, 0x61, 0x64, 0x65, 0x72, 0x73, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x12, 0x10, 0x0a, 0x03,
-	0x70, 0x6c, 0x69, 0x74, 0x68, 0x74, 0x74, 0x70, 0xaa, 0x02, 0x21, 0x58, 0x72, 0x61, 0x79, 0x2e,
+	0x6b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x6b, 0x65, 0x79, 0x12, 0x14,
-	0x54, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e,
+	0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x76,
-	0x65, 0x74, 0x2e, 0x53, 0x70, 0x6c, 0x69, 0x74, 0x48, 0x74, 0x74, 0x70, 0x62, 0x06, 0x70, 0x72,
+	0x61, 0x6c, 0x75, 0x65, 0x3a, 0x02, 0x38, 0x01, 0x42, 0x85, 0x01, 0x0a, 0x25, 0x63, 0x6f, 0x6d,
-	0x6f, 0x74, 0x6f, 0x33,
+	0x2e, 0x78, 0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e,
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+	0x74, 0x70, 0x50, 0x01, 0x5a, 0x36, 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, 0x73, 0x70, 0x6c, 0x69, 0x74, 0x68, 0x74, 0x74, 0x70, 0xaa, 0x02, 0x21, 0x58,
+	0x72, 0x61, 0x79, 0x2e, 0x54, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x49, 0x6e,
+	0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x53, 0x70, 0x6c, 0x69, 0x74, 0x48, 0x74, 0x74, 0x70,
+	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -420,8 +420,8 @@ var file_transport_internet_splithttp_config_proto_depIdxs = []int32{
 	0,  // 0: xray.transport.internet.splithttp.XmuxConfig.maxConcurrency:type_name -> xray.transport.internet.splithttp.RangeConfig
 	0,  // 1: xray.transport.internet.splithttp.XmuxConfig.maxConnections:type_name -> xray.transport.internet.splithttp.RangeConfig
 	0,  // 2: xray.transport.internet.splithttp.XmuxConfig.cMaxReuseTimes:type_name -> xray.transport.internet.splithttp.RangeConfig
-	0,  // 3: xray.transport.internet.splithttp.XmuxConfig.cMaxLifetimeMs:type_name -> xray.transport.internet.splithttp.RangeConfig
+	0,  // 3: xray.transport.internet.splithttp.XmuxConfig.hMaxRequestTimes:type_name -> xray.transport.internet.splithttp.RangeConfig
-	0,  // 4: xray.transport.internet.splithttp.XmuxConfig.hMaxRequestTimes:type_name -> xray.transport.internet.splithttp.RangeConfig
+	0,  // 4: xray.transport.internet.splithttp.XmuxConfig.hMaxReusableSecs:type_name -> xray.transport.internet.splithttp.RangeConfig
 	3,  // 5: xray.transport.internet.splithttp.Config.headers:type_name -> xray.transport.internet.splithttp.Config.HeadersEntry
 	0,  // 6: xray.transport.internet.splithttp.Config.xPaddingBytes:type_name -> xray.transport.internet.splithttp.RangeConfig
 	0,  // 7: xray.transport.internet.splithttp.Config.scMaxEachPostBytes:type_name -> xray.transport.internet.splithttp.RangeConfig

transport/internet/splithttp/config.proto

@@ -17,8 +17,8 @@ message XmuxConfig {
   RangeConfig maxConcurrency = 1;
   RangeConfig maxConnections = 2;
   RangeConfig cMaxReuseTimes = 3;
-  RangeConfig cMaxLifetimeMs = 4;
+  RangeConfig hMaxRequestTimes = 4;
-  RangeConfig hMaxRequestTimes = 5;
+  RangeConfig hMaxReusableSecs = 5;
   int64 hKeepAlivePeriod = 6;
 }
 

transport/internet/splithttp/dialer.go

@@ -13,8 +13,8 @@ import (
 	"sync/atomic"
 	"time"
 
-	"github.com/quic-go/quic-go"
+	"github.com/xtls/quic-go"
-	"github.com/quic-go/quic-go/http3"
+	"github.com/xtls/quic-go/http3"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/errors"
@@ -308,7 +308,7 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
 		globalDialerAccess.Lock()
 		if streamSettings.DownloadSettings == nil {
 			streamSettings.DownloadSettings = common.Must2(internet.ToMemoryStreamConfig(transportConfiguration.DownloadSettings)).(*internet.MemoryStreamConfig)
-			if streamSettings.DownloadSettings.SocketSettings == nil {
+			if streamSettings.SocketSettings != nil && streamSettings.SocketSettings.Penetrate {
 				streamSettings.DownloadSettings.SocketSettings = streamSettings.SocketSettings
 			}
 		}
@@ -343,44 +343,19 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
 		errors.LogInfo(ctx, fmt.Sprintf("XHTTP is downloading from %s, mode %s, HTTP version %s, host %s", dest2, "stream-down", httpVersion2, requestURL2.Host))
 	}
 
-	var writer io.WriteCloser
-	var reader io.ReadCloser
-	var remoteAddr, localAddr net.Addr
-	var err error
-
-	if mode == "stream-one" {
-		requestURL.Path = transportConfiguration.GetNormalizedPath()
-		if xmuxClient != nil {
-			xmuxClient.LeftRequests.Add(-1)
-		}
-		writer, reader = httpClient.Open(context.WithoutCancel(ctx), requestURL.String())
-		remoteAddr = &net.TCPAddr{}
-		localAddr = &net.TCPAddr{}
-	} else {
-		if xmuxClient2 != nil {
-			xmuxClient2.LeftRequests.Add(-1)
-		}
-		reader, remoteAddr, localAddr, err = httpClient2.OpenDownload(context.WithoutCancel(ctx), requestURL2.String())
-		if err != nil {
-			return nil, err
-		}
-	}
-
 	if xmuxClient != nil {
 		xmuxClient.OpenUsage.Add(1)
 	}
 	if xmuxClient2 != nil && xmuxClient2 != xmuxClient {
 		xmuxClient2.OpenUsage.Add(1)
 	}
-	var once atomic.Int32
+	var closed atomic.Int32
 
+	reader, writer := io.Pipe()
 	conn := splitConn{
 		writer: writer,
-		reader:     reader,
-		remoteAddr: remoteAddr,
-		localAddr:  localAddr,
 		onClose: func() {
-			if once.Add(-1) < 0 {
+			if closed.Add(1) > 1 {
 				return
 			}
 			if xmuxClient != nil {
@@ -393,16 +368,27 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
 	}
 
 	if mode == "stream-one" {
+		requestURL.Path = transportConfiguration.GetNormalizedPath()
 		if xmuxClient != nil {
 			xmuxClient.LeftRequests.Add(-1)
 		}
+		conn.reader, conn.remoteAddr, conn.localAddr, _ = httpClient.OpenStream(context.WithoutCancel(ctx), requestURL.String(), reader, false)
 		return stat.Connection(&conn), nil
+	} else { // stream-down
+		var err error
+		if xmuxClient2 != nil {
+			xmuxClient2.LeftRequests.Add(-1)
+		}
+		conn.reader, conn.remoteAddr, conn.localAddr, err = httpClient2.OpenStream(context.WithoutCancel(ctx), requestURL2.String(), nil, false)
+		if err != nil { // browser dialer only
+			return nil, err
+		}
 	}
 	if mode == "stream-up" {
 		if xmuxClient != nil {
 			xmuxClient.LeftRequests.Add(-1)
 		}
-		conn.writer = httpClient.OpenUpload(ctx, requestURL.String())
+		httpClient.OpenStream(ctx, requestURL.String(), reader, true)
 		return stat.Connection(&conn), nil
 	}
 
@@ -461,12 +447,13 @@ func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.Me
 
 			lastWrite = time.Now()
 
-			if xmuxClient != nil && xmuxClient.LeftRequests.Add(-1) <= 0 {
+			if xmuxClient != nil && (xmuxClient.LeftRequests.Add(-1) <= 0 ||
+				(xmuxClient.UnreusableAt != time.Time{} && lastWrite.After(xmuxClient.UnreusableAt))) {
 				httpClient, xmuxClient = getHTTPClient(ctx, dest, streamSettings)
 			}
 
 			go func() {
-				err := httpClient.SendUploadRequest(
+				err := httpClient.PostPacket(
 					context.WithoutCancel(ctx),
 					url.String(),
 					&buf.MultiBufferContainer{MultiBuffer: chunk},

transport/internet/splithttp/hub.go

@@ -11,8 +11,8 @@ import (
 	"sync"
 	"time"
 
-	"github.com/quic-go/quic-go"
+	"github.com/xtls/quic-go"
-	"github.com/quic-go/quic-go/http3"
+	"github.com/xtls/quic-go/http3"
 	goreality "github.com/xtls/reality"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/errors"

transport/internet/splithttp/lazy_reader.go

@@ -1,47 +0,0 @@
-package splithttp
-
-import (
-	"io"
-	"sync"
-)
-
-// Close is intentionally not supported by LazyReader because it's not clear
-// how CreateReader should be aborted in case of Close. It's best to wrap
-// LazyReader in another struct that handles Close correctly, or better, stop
-// using LazyReader entirely.
-type LazyReader struct {
-	readerSync   sync.Mutex
-	CreateReader func() (io.Reader, error)
-	reader       io.Reader
-	readerError  error
-}
-
-func (r *LazyReader) getReader() (io.Reader, error) {
-	r.readerSync.Lock()
-	defer r.readerSync.Unlock()
-	if r.reader != nil {
-		return r.reader, nil
-	}
-
-	if r.readerError != nil {
-		return nil, r.readerError
-	}
-
-	reader, err := r.CreateReader()
-	if err != nil {
-		r.readerError = err
-		return nil, err
-	}
-
-	r.reader = reader
-	return reader, nil
-}
-
-func (r *LazyReader) Read(b []byte) (int, error) {
-	reader, err := r.getReader()
-	if err != nil {
-		return 0, err
-	}
-	n, err := reader.Read(b)
-	return n, err
-}

transport/internet/splithttp/mux.go

@@ -19,8 +19,8 @@ type XmuxClient struct {
 	XmuxConn     XmuxConn
 	OpenUsage    atomic.Int32
 	leftUsage    int32
-	expirationTime time.Time
 	LeftRequests atomic.Int32
+	UnreusableAt time.Time
 }
 
 type XmuxManager struct {
@@ -45,18 +45,17 @@ func (m *XmuxManager) newXmuxClient() *XmuxClient {
 	xmuxClient := &XmuxClient{
 		XmuxConn:  m.newConnFunc(),
 		leftUsage: -1,
-		expirationTime: time.UnixMilli(0),
 	}
 	if x := m.xmuxConfig.GetNormalizedCMaxReuseTimes().rand(); x > 0 {
 		xmuxClient.leftUsage = x - 1
 	}
-	if x := m.xmuxConfig.GetNormalizedCMaxLifetimeMs().rand(); x > 0 {
-		xmuxClient.expirationTime = time.Now().Add(time.Duration(x) * time.Millisecond)
-	}
 	xmuxClient.LeftRequests.Store(math.MaxInt32)
-	if x := m.xmuxConfig.GetNormalizedCMaxRequestTimes().rand(); x > 0 {
+	if x := m.xmuxConfig.GetNormalizedHMaxRequestTimes().rand(); x > 0 {
 		xmuxClient.LeftRequests.Store(x)
 	}
+	if x := m.xmuxConfig.GetNormalizedHMaxReusableSecs().rand(); x > 0 {
+		xmuxClient.UnreusableAt = time.Now().Add(time.Duration(x) * time.Second)
+	}
 	m.xmuxClients = append(m.xmuxClients, xmuxClient)
 	return xmuxClient
 }
@@ -66,13 +65,13 @@ func (m *XmuxManager) GetXmuxClient(ctx context.Context) *XmuxClient { // when l
 		xmuxClient := m.xmuxClients[i]
 		if xmuxClient.XmuxConn.IsClosed() ||
 			xmuxClient.leftUsage == 0 ||
-			(xmuxClient.expirationTime != time.UnixMilli(0) && time.Now().After(xmuxClient.expirationTime)) ||
+			xmuxClient.LeftRequests.Load() <= 0 ||
-			xmuxClient.LeftRequests.Load() <= 0 {
+			(xmuxClient.UnreusableAt != time.Time{} && time.Now().After(xmuxClient.UnreusableAt)) {
 			errors.LogDebug(ctx, "XMUX: removing xmuxClient, IsClosed() = ", xmuxClient.XmuxConn.IsClosed(),
 				", OpenUsage = ", xmuxClient.OpenUsage.Load(),
 				", leftUsage = ", xmuxClient.leftUsage,
-				", expirationTime = ", xmuxClient.expirationTime,
+				", LeftRequests = ", xmuxClient.LeftRequests.Load(),
-				", LeftRequests = ", xmuxClient.LeftRequests.Load())
+				", UnreusableAt = ", xmuxClient.UnreusableAt)
 			m.xmuxClients = append(m.xmuxClients[:i], m.xmuxClients[i+1:]...)
 		} else {
 			i++