Add basic clash api

adapter/inbound.go

@@ -16,6 +16,7 @@ type Inbound interface {
 
 type InboundContext struct {
 	Inbound     string
+	InboundType string
 	Network     string
 	Source      M.Socksaddr
 	Destination M.Socksaddr

adapter/router.go

@@ -34,10 +34,14 @@ type Router interface {
 	AutoDetectInterface() bool
 	AutoDetectInterfaceName() string
 	AutoDetectInterfaceIndex() int
+
+	Rules() []Rule
+	SetTrafficController(controller TrafficController)
 }
 
 type Rule interface {
 	Service
+	Type() string
 	UpdateGeosite() error
 	Match(metadata *InboundContext) bool
 	Outbound() string

adapter/traffic_controller.go

@@ -0,0 +1,13 @@
+package adapter
+
+import (
+	"context"
+	"net"
+
+	N "github.com/sagernet/sing/common/network"
+)
+
+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
+}