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Add urltest outbound

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世界 2022-07-22 13:51:08 +08:00
parent 139127f1e4
commit c4e46c35b5
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17 changed files with 473 additions and 112 deletions
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5
adapter/experimental.go
View file

@ -16,3 +16,8 @@ type TrafficController interface {
RoutedConnection(ctx context.Context, conn net.Conn, metadata InboundContext, matchedRule Rule) net.Conn
RoutedPacketConnection(ctx context.Context, conn N.PacketConn, metadata InboundContext, matchedRule Rule) N.PacketConn
}
type OutboundGroup interface {
Now() string
All() []string
}

2
adapter/router.go
View file

@ -6,6 +6,7 @@ import (
"net/netip"
"github.com/sagernet/sing-box/common/geoip"
"github.com/sagernet/sing-box/common/urltest"
"github.com/sagernet/sing-dns"
"github.com/sagernet/sing/common/control"
N "github.com/sagernet/sing/common/network"
@ -38,6 +39,7 @@ type Router interface {
Rules() []Rule
SetTrafficController(controller TrafficController)
URLTestHistoryStorage(create bool) *urltest.HistoryStorage
}
type Rule interface {

107
common/urltest/urltest.go Normal file
View file

@ -0,0 +1,107 @@
package urltest
import (
"context"
"net"
"net/http"
"net/url"
"sync"
"time"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
)
type History struct {
Time time.Time `json:"time"`
Delay uint16 `json:"delay"`
}
type HistoryStorage struct {
access sync.RWMutex
delayHistory map[string]*History
}
func NewHistoryStorage() *HistoryStorage {
return &HistoryStorage{
delayHistory: make(map[string]*History),
}
}
func (s *HistoryStorage) LoadURLTestHistory(tag string) *History {
if s == nil {
return nil
}
s.access.RLock()
defer s.access.RUnlock()
return s.delayHistory[tag]
}
func (s *HistoryStorage) DeleteURLTestHistory(tag string) {
s.access.Lock()
defer s.access.Unlock()
delete(s.delayHistory, tag)
}
func (s *HistoryStorage) StoreURLTestHistory(tag string, history *History) {
s.access.Lock()
defer s.access.Unlock()
s.delayHistory[tag] = history
}
func URLTest(ctx context.Context, link string, detour N.Dialer) (t uint16, err error) {
linkURL, err := url.Parse(link)
if err != nil {
return
}
hostname := linkURL.Hostname()
port := linkURL.Port()
if port == "" {
switch linkURL.Scheme {
case "http":
port = "80"
case "https":
port = "443"
}
}
start := time.Now()
instance, err := detour.DialContext(ctx, "tcp", M.ParseSocksaddrHostPortStr(hostname, port))
if err != nil {
return
}
defer instance.Close()
req, err := http.NewRequest(http.MethodHead, link, nil)
if err != nil {
return
}
req = req.WithContext(ctx)
transport := &http.Transport{
Dial: func(string, string) (net.Conn, error) {
return instance, nil
},
// from http.DefaultTransport
MaxIdleConns: 100,
IdleConnTimeout: 90 * time.Second,
TLSHandshakeTimeout: 10 * time.Second,
ExpectContinueTimeout: 1 * time.Second,
}
client := http.Client{
Transport: transport,
CheckRedirect: func(req *http.Request, via []*http.Request) error {
return http.ErrUseLastResponse
},
}
defer client.CloseIdleConnections()
resp, err := client.Do(req)
if err != nil {
return
}
resp.Body.Close()
t = uint16(time.Since(start) / time.Millisecond)
return
}

1
constant/proxy.go
View file

@ -16,4 +16,5 @@ const (
const (
TypeSelector = "selector"
TypeURLTest = "urltest"
)

2
constant/timeout.go
View file

@ -5,4 +5,6 @@ import "time"
const (
DefaultTCPTimeout = 5 * time.Second
ReadPayloadTimeout = 300 * time.Millisecond
URLTestTimeout = DefaultTCPTimeout
DefaultURLTestInterval = 1 * time.Minute
)

112
experimental/clashapi/proxies.go
View file

@ -3,23 +3,21 @@ package clashapi
import (
"context"
"fmt"
"net"
"net/http"
"net/url"
"sort"
"strconv"
"time"
"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing-box/common/badjson"
"github.com/sagernet/sing-box/common/urltest"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/outbound"
"github.com/sagernet/sing/common"
F "github.com/sagernet/sing/common/format"
M "github.com/sagernet/sing/common/metadata"
"github.com/go-chi/chi/v5"
"github.com/go-chi/render"
"sort"
)
func proxyRouter(server *Server, router adapter.Router) http.Handler {
@ -62,7 +60,7 @@ func findProxyByName(router adapter.Router) func(next http.Handler) http.Handler
func proxyInfo(server *Server, detour adapter.Outbound) *badjson.JSONObject {
var info badjson.JSONObject
var clashType string
var isSelector bool
var isGroup bool
switch detour.Type() {
case C.TypeDirect:
clashType = "Direct"
@ -78,28 +76,26 @@ func proxyInfo(server *Server, detour adapter.Outbound) *badjson.JSONObject {
clashType = "Vmess"
case C.TypeSelector:
clashType = "Selector"
isSelector = true
isGroup = true
case C.TypeURLTest:
clashType = "URLTest"
isGroup = true
default:
clashType = "Unknown"
}
info.Put("type", clashType)
info.Put("name", detour.Tag())
info.Put("udp", common.Contains(detour.Network(), C.NetworkUDP))
var delayHistory *DelayHistory
var loaded bool
if isSelector {
selector := detour.(*outbound.Selector)
delayHistory := server.router.URLTestHistoryStorage(false).LoadURLTestHistory(outbound.RealTag(detour))
if delayHistory != nil {
info.Put("history", []*urltest.History{delayHistory})
} else {
info.Put("history", []*urltest.History{})
}
if isGroup {
selector := detour.(adapter.OutboundGroup)
info.Put("now", selector.Now())
info.Put("all", selector.All())
delayHistory, loaded = server.delayHistory[selector.Now()]
} else {
delayHistory, loaded = server.delayHistory[detour.Tag()]
}
if loaded {
info.Put("history", []*DelayHistory{delayHistory})
} else {
info.Put("history", []*DelayHistory{})
}
return &info
}
@ -135,7 +131,7 @@ func getProxies(server *Server, router adapter.Router) func(w http.ResponseWrite
"type": "Fallback",
"name": "GLOBAL",
"udp": true,
"history": []*DelayHistory{},
"history": []*urltest.History{},
"all": allProxies,
"now": defaultTag,
})
@ -218,7 +214,19 @@ func getProxyDelay(server *Server) func(w http.ResponseWriter, r *http.Request)
ctx, cancel := context.WithTimeout(context.Background(), time.Millisecond*time.Duration(timeout))
defer cancel()
delay, err := URLTest(ctx, url, proxy)
delay, err := urltest.URLTest(ctx, url, proxy)
defer func() {
realTag := outbound.RealTag(proxy)
if err != nil {
server.router.URLTestHistoryStorage(true).DeleteURLTestHistory(realTag)
} else {
server.router.URLTestHistoryStorage(true).StoreURLTestHistory(realTag, &urltest.History{
Time: time.Now(),
Delay: delay,
})
}
}()
if ctx.Err() != nil {
render.Status(r, http.StatusGatewayTimeout)
render.JSON(w, r, ErrRequestTimeout)
@ -231,70 +239,8 @@ func getProxyDelay(server *Server) func(w http.ResponseWriter, r *http.Request)
return
}
server.delayHistory[proxy.Tag()] = &DelayHistory{
Time: time.Now(),
Delay: delay,
}
render.JSON(w, r, render.M{
"delay": delay,
})
}
}
func URLTest(ctx context.Context, link string, detour adapter.Outbound) (t uint16, err error) {
linkURL, err := url.Parse(link)
if err != nil {
return
}
hostname := linkURL.Hostname()
port := linkURL.Port()
if port == "" {
switch linkURL.Scheme {
case "http":
port = "80"
case "https":
port = "443"
}
}
start := time.Now()
instance, err := detour.DialContext(ctx, "tcp", M.ParseSocksaddrHostPortStr(hostname, port))
if err != nil {
return
}
defer instance.Close()
req, err := http.NewRequest(http.MethodHead, link, nil)
if err != nil {
return
}
req = req.WithContext(ctx)
transport := &http.Transport{
Dial: func(string, string) (net.Conn, error) {
return instance, nil
},
// from http.DefaultTransport
MaxIdleConns: 100,
IdleConnTimeout: 90 * time.Second,
TLSHandshakeTimeout: 10 * time.Second,
ExpectContinueTimeout: 1 * time.Second,
}
client := http.Client{
Transport: transport,
CheckRedirect: func(req *http.Request, via []*http.Request) error {
return http.ErrUseLastResponse
},
}
defer client.CloseIdleConnections()
resp, err := client.Do(req)
if err != nil {
return
}
resp.Body.Close()
t = uint16(time.Since(start) / time.Millisecond)
return
}

15
experimental/clashapi/server.go
View file

@ -6,6 +6,7 @@ import (
"errors"
"net"
"net/http"
"os"
"strings"
"time"
@ -23,34 +24,28 @@ import (
"github.com/go-chi/render"
"github.com/goccy/go-json"
"github.com/gorilla/websocket"
"os"
)
var _ adapter.ClashServer = (*Server)(nil)
type Server struct {
router adapter.Router
logger log.Logger
httpServer *http.Server
trafficManager *trafficontrol.Manager
delayHistory map[string]*DelayHistory
}
type DelayHistory struct {
Time time.Time `json:"time"`
Delay uint16 `json:"delay"`
}
func NewServer(router adapter.Router, logFactory log.ObservableFactory, options option.ClashAPIOptions) *Server {
trafficManager := trafficontrol.NewManager()
chiRouter := chi.NewRouter()
server := &Server{
router,
logFactory.NewLogger("clash-api"),
&http.Server{
Addr: options.ExternalController,
Handler: chiRouter,
},
trafficManager,
make(map[string]*DelayHistory),
}
cors := cors.New(cors.Options{
AllowedOrigins: []string{"*"},
@ -107,11 +102,11 @@ func (s *Server) Close() error {
}
func (s *Server) RoutedConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext, matchedRule adapter.Rule) net.Conn {
return trafficontrol.NewTCPTracker(conn, s.trafficManager, castMetadata(metadata), matchedRule)
return trafficontrol.NewTCPTracker(conn, s.trafficManager, castMetadata(metadata), s.router, matchedRule)
}
func (s *Server) RoutedPacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext, matchedRule adapter.Rule) N.PacketConn {
return trafficontrol.NewUDPTracker(conn, s.trafficManager, castMetadata(metadata), matchedRule)
return trafficontrol.NewUDPTracker(conn, s.trafficManager, castMetadata(metadata), s.router, matchedRule)
}
func castMetadata(metadata adapter.InboundContext) trafficontrol.Metadata {

60
experimental/clashapi/trafficontrol/tracker.go
View file

@ -6,6 +6,8 @@ import (
"time"
"github.com/sagernet/sing-box/adapter"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing/common"
"github.com/sagernet/sing/common/buf"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
@ -73,9 +75,29 @@ func (tt *tcpTracker) Close() error {
return tt.Conn.Close()
}
func NewTCPTracker(conn net.Conn, manager *Manager, metadata Metadata, rule adapter.Rule) *tcpTracker {
func NewTCPTracker(conn net.Conn, manager *Manager, metadata Metadata, router adapter.Router, rule adapter.Rule) *tcpTracker {
uuid, _ := uuid.NewV4()
var chain []string
var next string
if rule == nil {
next = router.DefaultOutbound(C.NetworkTCP).Tag()
} else {
next = rule.Outbound()
}
for {
chain = append(chain, next)
detour, loaded := router.Outbound(next)
if !loaded {
break
}
group, isGroup := detour.(adapter.OutboundGroup)
if !isGroup {
break
}
next = group.Now()
}
t := &tcpTracker{
Conn: conn,
manager: manager,
@ -83,7 +105,7 @@ func NewTCPTracker(conn net.Conn, manager *Manager, metadata Metadata, rule adap
UUID: uuid,
Start: time.Now(),
Metadata: metadata,
Chain: []string{},
Chain: common.Reverse(chain),
Rule: "",
UploadTotal: atomic.NewInt64(0),
DownloadTotal: atomic.NewInt64(0),
@ -91,8 +113,9 @@ func NewTCPTracker(conn net.Conn, manager *Manager, metadata Metadata, rule adap
}
if rule != nil {
t.trackerInfo.Rule = rule.Outbound()
t.trackerInfo.RulePayload = rule.String()
t.trackerInfo.Rule = rule.String() + " => " + rule.Outbound()
} else {
t.trackerInfo.Rule = "final"
}
manager.Join(t)
@ -135,9 +158,29 @@ func (ut *udpTracker) Close() error {
return ut.PacketConn.Close()
}
func NewUDPTracker(conn N.PacketConn, manager *Manager, metadata Metadata, rule adapter.Rule) *udpTracker {
func NewUDPTracker(conn N.PacketConn, manager *Manager, metadata Metadata, router adapter.Router, rule adapter.Rule) *udpTracker {
uuid, _ := uuid.NewV4()
var chain []string
var next string
if rule == nil {
next = router.DefaultOutbound(C.NetworkUDP).Tag()
} else {
next = rule.Outbound()
}
for {
chain = append(chain, next)
detour, loaded := router.Outbound(next)
if !loaded {
break
}
group, isGroup := detour.(adapter.OutboundGroup)
if !isGroup {
break
}
next = group.Now()
}
ut := &udpTracker{
PacketConn: conn,
manager: manager,
@ -145,7 +188,7 @@ func NewUDPTracker(conn N.PacketConn, manager *Manager, metadata Metadata, rule
UUID: uuid,
Start: time.Now(),
Metadata: metadata,
Chain: []string{},
Chain: common.Reverse(chain),
Rule: "",
UploadTotal: atomic.NewInt64(0),
DownloadTotal: atomic.NewInt64(0),
@ -153,8 +196,9 @@ func NewUDPTracker(conn N.PacketConn, manager *Manager, metadata Metadata, rule
}
if rule != nil {
ut.trackerInfo.Rule = rule.Outbound()
ut.trackerInfo.RulePayload = rule.String()
ut.trackerInfo.Rule = rule.String() + " => " + rule.Outbound()
} else {
ut.trackerInfo.Rule = "final"
}
manager.Join(ut)

2
go.mod
View file

@ -11,7 +11,7 @@ require (
github.com/gorilla/websocket v1.5.0
github.com/logrusorgru/aurora v2.0.3+incompatible
github.com/oschwald/maxminddb-golang v1.9.0
github.com/sagernet/sing v0.0.0-20220720140412-fd4ec74d5eca
github.com/sagernet/sing v0.0.0-20220722054850-4ce9815aca2b
github.com/sagernet/sing-dns v0.0.0-20220720045209-c44590ebeb0f
github.com/sagernet/sing-shadowsocks v0.0.0-20220717063942-45a2ad9cd41f
github.com/sagernet/sing-tun v0.0.0-20220720051454-d35c334b46c9

4
go.sum
View file

@ -35,8 +35,8 @@ github.com/oschwald/maxminddb-golang v1.9.0/go.mod h1:TK+s/Z2oZq0rSl4PSeAEoP0bgm
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
github.com/sagernet/sing v0.0.0-20220720140412-fd4ec74d5eca h1:xz/41NRDcjMm3w5UeojeU79Tu0aRiy/apQN+JadrWZ8=
github.com/sagernet/sing v0.0.0-20220720140412-fd4ec74d5eca/go.mod h1:GbtQfZSpmtD3cXeD1qX2LCMwY8dH+bnnInDTqd92IsM=
github.com/sagernet/sing v0.0.0-20220722054850-4ce9815aca2b h1:V5gIp7HQOEEIaxV1TKhjhTu8RyAyXeYx8qeaHVrjFW4=
github.com/sagernet/sing v0.0.0-20220722054850-4ce9815aca2b/go.mod h1:GbtQfZSpmtD3cXeD1qX2LCMwY8dH+bnnInDTqd92IsM=
github.com/sagernet/sing-dns v0.0.0-20220720045209-c44590ebeb0f h1:PCrkSLS+fQtBimPi/2WzjJqeTy0zJtBDaMLykyTAiwQ=
github.com/sagernet/sing-dns v0.0.0-20220720045209-c44590ebeb0f/go.mod h1:y2fpvoxukw3G7eApIZwkcpcG/NE4AB8pCQI0Qd8rMqk=
github.com/sagernet/sing-shadowsocks v0.0.0-20220717063942-45a2ad9cd41f h1:F6yiuKbBoXgWiuoP7R0YA14pDEl3emxA1mL7M16Q7gc=

22
option/outbound.go
View file

@ -18,6 +18,7 @@ type _Outbound struct {
ShadowsocksOptions ShadowsocksOutboundOptions `json:"-"`
VMessOptions VMessOutboundOptions `json:"-"`
SelectorOptions SelectorOutboundOptions `json:"-"`
URLTestOptions URLTestOutboundOptions `json:"-"`
}
type Outbound _Outbound
@ -30,7 +31,8 @@ func (h Outbound) Equals(other Outbound) bool {
h.HTTPOptions == other.HTTPOptions &&
h.ShadowsocksOptions == other.ShadowsocksOptions &&
h.VMessOptions == other.VMessOptions &&
common.Equals(h.SelectorOptions, other.SelectorOptions)
common.Equals(h.SelectorOptions, other.SelectorOptions) &&
common.Equals(h.URLTestOptions, other.URLTestOptions)
}
func (h Outbound) MarshalJSON() ([]byte, error) {
@ -50,6 +52,8 @@ func (h Outbound) MarshalJSON() ([]byte, error) {
v = h.VMessOptions
case C.TypeSelector:
v = h.SelectorOptions
case C.TypeURLTest:
v = h.URLTestOptions
default:
return nil, E.New("unknown outbound type: ", h.Type)
}
@ -77,6 +81,8 @@ func (h *Outbound) UnmarshalJSON(bytes []byte) error {
v = &h.VMessOptions
case C.TypeSelector:
v = &h.SelectorOptions
case C.TypeURLTest:
v = &h.URLTestOptions
default:
return nil
}
@ -171,3 +177,17 @@ func (o SelectorOutboundOptions) Equals(other SelectorOutboundOptions) bool {
return common.ComparableSliceEquals(o.Outbounds, other.Outbounds) &&
o.Default == other.Default
}
type URLTestOutboundOptions struct {
Outbounds []string `json:"outbounds"`
URL string `json:"url,omitempty"`
Interval Duration `json:"interval,omitempty"`
Tolerance uint16 `json:"tolerance,omitempty"`
}
func (o URLTestOutboundOptions) Equals(other URLTestOutboundOptions) bool {
return common.ComparableSliceEquals(o.Outbounds, other.Outbounds) &&
o.URL == other.URL &&
o.Interval == other.Interval &&
o.Tolerance == other.Tolerance
}

2
outbound/builder.go
View file

@ -28,6 +28,8 @@ func New(router adapter.Router, logger log.ContextLogger, options option.Outboun
return NewVMess(router, logger, options.Tag, options.VMessOptions)
case C.TypeSelector:
return NewSelector(router, logger, options.Tag, options.SelectorOptions)
case C.TypeURLTest:
return NewURLTest(router, logger, options.Tag, options.URLTestOptions)
default:
return nil, E.New("unknown outbound type: ", options.Type)
}

5
outbound/selector.go
View file

@ -13,7 +13,10 @@ import (
N "github.com/sagernet/sing/common/network"
)
var _ adapter.Outbound = (*Selector)(nil)
var (
_ adapter.Outbound = (*Selector)(nil)
_ adapter.OutboundGroup = (*Selector)(nil)
)
type Selector struct {
myOutboundAdapter

225
outbound/urltest.go Normal file
View file

@ -0,0 +1,225 @@
package outbound
import (
"context"
"net"
"time"
"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing-box/common/urltest"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/log"
"github.com/sagernet/sing-box/option"
"github.com/sagernet/sing/common"
"github.com/sagernet/sing/common/batch"
E "github.com/sagernet/sing/common/exceptions"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
)
var (
_ adapter.Outbound = (*URLTest)(nil)
_ adapter.OutboundGroup = (*URLTest)(nil)
)
type URLTest struct {
myOutboundAdapter
router adapter.Router
tags []string
link string
interval time.Duration
tolerance uint16
group *URLTestGroup
}
func NewURLTest(router adapter.Router, logger log.ContextLogger, tag string, options option.URLTestOutboundOptions) (*URLTest, error) {
outbound := &URLTest{
myOutboundAdapter: myOutboundAdapter{
protocol: C.TypeURLTest,
logger: logger,
tag: tag,
},
router: router,
tags: options.Outbounds,
link: options.URL,
interval: time.Duration(options.Interval),
tolerance: options.Tolerance,
}
if len(outbound.tags) == 0 {
return nil, E.New("missing tags")
}
return outbound, nil
}
func (s *URLTest) Network() []string {
if s.group == nil {
return []string{C.NetworkTCP, C.NetworkUDP}
}
return s.group.Select().Network()
}
func (s *URLTest) Start() error {
outbounds := make([]adapter.Outbound, 0, len(s.tags))
for i, tag := range s.tags {
detour, loaded := s.router.Outbound(tag)
if !loaded {
return E.New("outbound ", i, " not found: ", tag)
}
outbounds = append(outbounds, detour)
}
s.group = NewURLTestGroup(s.router, s.logger, outbounds, s.link, s.interval, s.tolerance)
return s.group.Start()
}
func (s URLTest) Close() error {
return common.Close(
common.PtrOrNil(s.group),
)
}
func (s *URLTest) Now() string {
return s.group.Select().Tag()
}
func (s *URLTest) All() []string {
return s.tags
}
func (s *URLTest) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
return s.group.Select().DialContext(ctx, network, destination)
}
func (s *URLTest) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
return s.group.Select().ListenPacket(ctx, destination)
}
func (s *URLTest) NewConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
return s.group.Select().NewConnection(ctx, conn, metadata)
}
func (s *URLTest) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext) error {
return s.group.Select().NewPacketConnection(ctx, conn, metadata)
}
type URLTestGroup struct {
router adapter.Router
logger log.Logger
outbounds []adapter.Outbound
link string
interval time.Duration
tolerance uint16
ticker *time.Ticker
close chan struct{}
}
func NewURLTestGroup(router adapter.Router, logger log.Logger, outbounds []adapter.Outbound, link string, interval time.Duration, tolerance uint16) *URLTestGroup {
if link == "" {
//goland:noinspection HttpUrlsUsage
link = "http://www.gstatic.com/generate_204"
}
if interval == 0 {
interval = C.DefaultURLTestInterval
}
if tolerance == 0 {
tolerance = 50
}
return &URLTestGroup{
router: router,
logger: logger,
outbounds: outbounds,
link: link,
interval: interval,
tolerance: tolerance,
close: make(chan struct{}),
}
}
func (g *URLTestGroup) Start() error {
g.ticker = time.NewTicker(g.interval)
go g.loopCheck()
return nil
}
func (g *URLTestGroup) Close() error {
g.ticker.Stop()
close(g.close)
return nil
}
func (g *URLTestGroup) Select() adapter.Outbound {
var minDelay uint16
var minTime time.Time
var minOutbound adapter.Outbound
for _, detour := range g.outbounds {
history := g.router.URLTestHistoryStorage(false).LoadURLTestHistory(RealTag(detour))
if history == nil {
continue
}
if minDelay == 0 || minDelay > history.Delay+g.tolerance || minDelay > history.Delay-g.tolerance && minTime.Before(history.Time) {
minDelay = history.Delay
minTime = history.Time
minOutbound = detour
}
}
if minOutbound == nil {
minOutbound = g.outbounds[0]
}
return minOutbound
}
func (g *URLTestGroup) loopCheck() {
go g.checkOutbounds()
for {
select {
case <-g.close:
return
case <-g.ticker.C:
g.checkOutbounds()
}
}
}
func (g *URLTestGroup) checkOutbounds() {
b, _ := batch.New(context.Background(), batch.WithConcurrencyNum[any](10))
checked := make(map[string]bool)
for _, detour := range g.outbounds {
realTag := RealTag(detour)
if checked[realTag] {
continue
}
history := g.router.URLTestHistoryStorage(false).LoadURLTestHistory(realTag)
if history != nil && time.Now().Sub(history.Time) < g.interval {
continue
}
checked[realTag] = true
p, loaded := g.router.Outbound(realTag)
if !loaded {
continue
}
b.Go(realTag, func() (any, error) {
ctx, cancel := context.WithTimeout(context.Background(), C.URLTestTimeout)
defer cancel()
t, err := urltest.URLTest(ctx, g.link, p)
if err != nil {
g.logger.Debug("outbound ", detour.Tag(), " unavailable: ", err)
g.router.URLTestHistoryStorage(true).DeleteURLTestHistory(realTag)
} else {
g.logger.Debug("outbound ", detour.Tag(), " available: ", t, "ms")
g.router.URLTestHistoryStorage(true).StoreURLTestHistory(realTag, &urltest.History{
Time: time.Now(),
Delay: t,
})
}
return nil, nil
})
}
b.Wait()
}
func RealTag(detour adapter.Outbound) string {
if group, isGroup := detour.(adapter.OutboundGroup); isGroup {
return group.Now()
}
return detour.Tag()
}

9
route/router.go
View file

@ -18,6 +18,7 @@ import (
"github.com/sagernet/sing-box/common/geoip"
"github.com/sagernet/sing-box/common/geosite"
"github.com/sagernet/sing-box/common/sniff"
"github.com/sagernet/sing-box/common/urltest"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/log"
"github.com/sagernet/sing-box/option"
@ -72,6 +73,7 @@ type Router struct {
interfaceMonitor DefaultInterfaceMonitor
trafficController adapter.TrafficController
urlTestHistoryStorage *urltest.HistoryStorage
}
func NewRouter(ctx context.Context, logger log.ContextLogger, dnsLogger log.ContextLogger, options option.RouteOptions, dnsOptions option.DNSOptions) (*Router, error) {
@ -597,6 +599,13 @@ func (r *Router) SetTrafficController(controller adapter.TrafficController) {
r.trafficController = controller
}
func (r *Router) URLTestHistoryStorage(create bool) *urltest.HistoryStorage {
if r.urlTestHistoryStorage == nil && create {
r.urlTestHistoryStorage = urltest.NewHistoryStorage()
}
return r.urlTestHistoryStorage
}
func hasGeoRule(rules []option.Rule, cond func(rule option.DefaultRule) bool) bool {
for _, rule := range rules {
switch rule.Type {

2
test/go.mod
View file

@ -10,7 +10,7 @@ require (
github.com/docker/docker v20.10.17+incompatible
github.com/docker/go-connections v0.4.0
github.com/gofrs/uuid v4.2.0+incompatible
github.com/sagernet/sing v0.0.0-20220720140412-fd4ec74d5eca
github.com/sagernet/sing v0.0.0-20220722054850-4ce9815aca2b
github.com/spyzhov/ajson v0.7.1
github.com/stretchr/testify v1.8.0
golang.org/x/net v0.0.0-20220708220712-1185a9018129

4
test/go.sum
View file

@ -62,8 +62,8 @@ github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/sagernet/sing v0.0.0-20220720140412-fd4ec74d5eca h1:xz/41NRDcjMm3w5UeojeU79Tu0aRiy/apQN+JadrWZ8=
github.com/sagernet/sing v0.0.0-20220720140412-fd4ec74d5eca/go.mod h1:GbtQfZSpmtD3cXeD1qX2LCMwY8dH+bnnInDTqd92IsM=
github.com/sagernet/sing v0.0.0-20220722054850-4ce9815aca2b h1:V5gIp7HQOEEIaxV1TKhjhTu8RyAyXeYx8qeaHVrjFW4=
github.com/sagernet/sing v0.0.0-20220722054850-4ce9815aca2b/go.mod h1:GbtQfZSpmtD3cXeD1qX2LCMwY8dH+bnnInDTqd92IsM=
github.com/sagernet/sing-dns v0.0.0-20220720045209-c44590ebeb0f h1:PCrkSLS+fQtBimPi/2WzjJqeTy0zJtBDaMLykyTAiwQ=
github.com/sagernet/sing-dns v0.0.0-20220720045209-c44590ebeb0f/go.mod h1:y2fpvoxukw3G7eApIZwkcpcG/NE4AB8pCQI0Qd8rMqk=
github.com/sagernet/sing-shadowsocks v0.0.0-20220717063942-45a2ad9cd41f h1:F6yiuKbBoXgWiuoP7R0YA14pDEl3emxA1mL7M16Q7gc=