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refactor: Unified active health detection, supported by load balancing policy group

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This commit is contained in:
Skyxim 2022-05-02 13:50:10 +08:00
parent 4b04faa88b
commit b929a19f48
4 changed files with 69 additions and 87 deletions
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40
adapter/outboundgroup/fallback.go
View file

@ -3,10 +3,6 @@ package outboundgroup
import (
"context"
"encoding/json"
"github.com/Dreamacro/clash/log"
"go.uber.org/atomic"
"time"
"github.com/Dreamacro/clash/adapter/outbound"
"github.com/Dreamacro/clash/component/dialer"
C "github.com/Dreamacro/clash/constant"
@ -16,8 +12,6 @@ import (
type Fallback struct {
*GroupBase
disableUDP bool
failedTimes *atomic.Int32
failedTime *atomic.Int64
}
func (f *Fallback) Now() string {
@ -31,8 +25,7 @@ func (f *Fallback) DialContext(ctx context.Context, metadata *C.Metadata, opts .
c, err := proxy.DialContext(ctx, metadata, f.Base.DialOptions(opts...)...)
if err == nil {
c.AppendToChains(f)
f.failedTimes.Store(-1)
f.failedTime.Store(-1)
f.onDialSuccess()
} else {
f.onDialFailed()
}
@ -46,8 +39,7 @@ func (f *Fallback) ListenPacketContext(ctx context.Context, metadata *C.Metadata
pc, err := proxy.ListenPacketContext(ctx, metadata, f.Base.DialOptions(opts...)...)
if err == nil {
pc.AppendToChains(f)
f.failedTimes.Store(-1)
f.failedTime.Store(-1)
f.onDialSuccess()
} else {
f.onDialFailed()
}
@ -55,32 +47,6 @@ func (f *Fallback) ListenPacketContext(ctx context.Context, metadata *C.Metadata
return pc, err
}
func (f *Fallback) onDialFailed() {
if f.failedTime.Load() == -1 {
log.Warnln("%s first failed", f.Name())
now := time.Now().UnixMilli()
f.failedTime.Store(now)
f.failedTimes.Store(1)
} else {
if f.failedTime.Load()-time.Now().UnixMilli() > 5*time.Second.Milliseconds() {
f.failedTimes.Store(-1)
f.failedTime.Store(-1)
} else {
failedCount := f.failedTimes.Inc()
log.Warnln("%s failed count: %d", f.Name(), failedCount)
if failedCount >= 5 {
log.Warnln("because %s failed multiple times, active health check", f.Name())
for _, proxyProvider := range f.providers {
go proxyProvider.HealthCheck()
}
f.failedTimes.Store(-1)
f.failedTime.Store(-1)
}
}
}
}
// SupportUDP implements C.ProxyAdapter
func (f *Fallback) SupportUDP() bool {
if f.disableUDP {
@ -134,7 +100,5 @@ func NewFallback(option *GroupCommonOption, providers []provider.ProxyProvider)
providers,
}),
disableUDP: option.DisableUDP,
failedTimes: atomic.NewInt32(-1),
failedTime: atomic.NewInt64(-1),
}
}

46
adapter/outboundgroup/groupbase.go
View file

@ -5,9 +5,12 @@ import (
C "github.com/Dreamacro/clash/constant"
"github.com/Dreamacro/clash/constant/provider"
types "github.com/Dreamacro/clash/constant/provider"
"github.com/Dreamacro/clash/log"
"github.com/Dreamacro/clash/tunnel"
"github.com/dlclark/regexp2"
"go.uber.org/atomic"
"sync"
"time"
)
type GroupBase struct {
@ -16,6 +19,8 @@ type GroupBase struct {
providers []provider.ProxyProvider
versions sync.Map // map[string]uint
proxies sync.Map // map[string][]C.Proxy
failedTimes *atomic.Int32
failedTime *atomic.Int64
}
type GroupBaseOption struct {
@ -33,6 +38,8 @@ func NewGroupBase(opt GroupBaseOption) *GroupBase {
Base: outbound.NewBase(opt.BaseOption),
filter: filter,
providers: opt.providers,
failedTimes: atomic.NewInt32(-1),
failedTime: atomic.NewInt64(-1),
}
}
@ -96,3 +103,42 @@ func (gb *GroupBase) GetProxies(touch bool) []C.Proxy {
}
return proxies
}
func (gb *GroupBase) onDialFailed() {
if gb.failedTime.Load() == -1 {
log.Warnln("%s first failed", gb.Name())
now := time.Now().UnixMilli()
gb.failedTime.Store(now)
gb.failedTimes.Store(1)
} else {
if gb.failedTime.Load()-time.Now().UnixMilli() > gb.failedIntervalTime() {
gb.failedTimes.Store(-1)
gb.failedTime.Store(-1)
} else {
failedCount := gb.failedTimes.Inc()
log.Warnln("%s failed count: %d", gb.Name(), failedCount)
if failedCount >= gb.maxFailedTimes() {
log.Warnln("because %s failed multiple times, active health check", gb.Name())
for _, proxyProvider := range gb.providers {
go proxyProvider.HealthCheck()
}
gb.failedTimes.Store(-1)
gb.failedTime.Store(-1)
}
}
}
}
func (gb *GroupBase) failedIntervalTime() int64 {
return 5 * time.Second.Milliseconds()
}
func (gb *GroupBase) onDialSuccess() {
gb.failedTimes.Store(-1)
gb.failedTime.Store(-1)
}
func (gb *GroupBase) maxFailedTimes() int32 {
return 5
}

3
adapter/outboundgroup/loadbalance.go
View file

@ -71,6 +71,9 @@ func (lb *LoadBalance) DialContext(ctx context.Context, metadata *C.Metadata, op
defer func() {
if err == nil {
c.AppendToChains(lb)
lb.onDialSuccess()
} else {
lb.onDialFailed()
}
}()

37
adapter/outboundgroup/urltest.go
View file

@ -3,8 +3,6 @@ package outboundgroup
import (
"context"
"encoding/json"
"github.com/Dreamacro/clash/log"
"go.uber.org/atomic"
"time"
"github.com/Dreamacro/clash/adapter/outbound"
@ -28,8 +26,6 @@ type URLTest struct {
disableUDP bool
fastNode C.Proxy
fastSingle *singledo.Single[C.Proxy]
failedTimes *atomic.Int32
failedTime *atomic.Int64
}
func (u *URLTest) Now() string {
@ -54,11 +50,11 @@ func (u *URLTest) ListenPacketContext(ctx context.Context, metadata *C.Metadata,
pc, err := u.fast(true).ListenPacketContext(ctx, metadata, u.Base.DialOptions(opts...)...)
if err == nil {
pc.AppendToChains(u)
u.failedTimes.Store(-1)
u.failedTime.Store(-1)
u.onDialSuccess()
} else {
u.onDialFailed()
}
return pc, err
}
@ -123,32 +119,6 @@ func (u *URLTest) MarshalJSON() ([]byte, error) {
})
}
func (u *URLTest) onDialFailed() {
if u.failedTime.Load() == -1 {
log.Warnln("%s first failed", u.Name())
now := time.Now().UnixMilli()
u.failedTime.Store(now)
u.failedTimes.Store(1)
} else {
if u.failedTime.Load()-time.Now().UnixMilli() > 5*1000 {
u.failedTimes.Store(-1)
u.failedTime.Store(-1)
} else {
failedCount := u.failedTimes.Inc()
log.Warnln("%s failed count: %d", u.Name(), failedCount)
if failedCount >= 5 {
log.Warnln("because %s failed multiple times, active health check", u.Name())
for _, proxyProvider := range u.providers {
go proxyProvider.HealthCheck()
}
u.failedTimes.Store(-1)
u.failedTime.Store(-1)
}
}
}
}
func parseURLTestOption(config map[string]any) []urlTestOption {
opts := []urlTestOption{}
@ -171,13 +141,12 @@ func NewURLTest(option *GroupCommonOption, providers []provider.ProxyProvider, o
Interface: option.Interface,
RoutingMark: option.RoutingMark,
},
option.Filter,
providers,
}),
fastSingle: singledo.NewSingle[C.Proxy](time.Second * 10),
disableUDP: option.DisableUDP,
failedTimes: atomic.NewInt32(-1),
failedTime: atomic.NewInt64(-1),
}
for _, option := range options {