sing-box/adapter/router.go

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package adapter
import (
"context"
"net"
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"net/netip"
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"github.com/sagernet/sing-box/common/geoip"
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"github.com/sagernet/sing-dns"
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"github.com/sagernet/sing-tun"
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"github.com/sagernet/sing/common/control"
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N "github.com/sagernet/sing/common/network"
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mdns "github.com/miekg/dns"
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)
type Router interface {
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Service
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Outbounds() []Outbound
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Outbound(tag string) (Outbound, bool)
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DefaultOutbound(network string) Outbound
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RouteConnection(ctx context.Context, conn net.Conn, metadata InboundContext) error
RoutePacketConnection(ctx context.Context, conn N.PacketConn, metadata InboundContext) error
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RouteIPConnection(ctx context.Context, conn tun.RouteContext, metadata InboundContext) tun.RouteAction
NatRequired(outbound string) bool
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GeoIPReader() *geoip.Reader
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LoadGeosite(code string) (Rule, error)
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Exchange(ctx context.Context, message *mdns.Msg) (*mdns.Msg, error)
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Lookup(ctx context.Context, domain string, strategy dns.DomainStrategy) ([]netip.Addr, error)
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LookupDefault(ctx context.Context, domain string) ([]netip.Addr, error)
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InterfaceFinder() control.InterfaceFinder
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DefaultInterface() string
AutoDetectInterface() bool
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AutoDetectInterfaceFunc() control.Func
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DefaultMark() int
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NetworkMonitor() tun.NetworkUpdateMonitor
InterfaceMonitor() tun.DefaultInterfaceMonitor
PackageManager() tun.PackageManager
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Rules() []Rule
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IPRules() []IPRule
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TimeService
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ClashServer() ClashServer
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SetClashServer(server ClashServer)
V2RayServer() V2RayServer
SetV2RayServer(server V2RayServer)
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}
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type routerContextKey struct{}
func ContextWithRouter(ctx context.Context, router Router) context.Context {
return context.WithValue(ctx, (*routerContextKey)(nil), router)
}
func RouterFromContext(ctx context.Context) Router {
metadata := ctx.Value((*routerContextKey)(nil))
if metadata == nil {
return nil
}
return metadata.(Router)
}
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type Rule interface {
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Service
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Type() string
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UpdateGeosite() error
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Match(metadata *InboundContext) bool
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Outbound() string
String() string
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}
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type DNSRule interface {
Rule
DisableCache() bool
}
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type IPRule interface {
Rule
Action() tun.ActionType
}
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type InterfaceUpdateListener interface {
InterfaceUpdated() error
}