chore: cleanup natTable's api

tunnel/connection.go

@@ -2,7 +2,6 @@ package tunnel
 
 import (
 	"errors"
-	"github.com/Dreamacro/clash/log"
 	"net"
 	"net/netip"
 	"time"
@@ -10,6 +9,7 @@ import (
 	N "github.com/Dreamacro/clash/common/net"
 	"github.com/Dreamacro/clash/common/pool"
 	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/log"
 )
 
 func handleUDPToRemote(packet C.UDPPacket, pc C.PacketConn, metadata *C.Metadata) error {

tunnel/tunnel.go

@@ -82,6 +82,11 @@ func UDPIn() chan<- C.PacketAdapter {
 	return udpQueue
 }
 
+// NatTable return nat table
+func NatTable() C.NatTable {
+	return natTable
+}
+
 // Rules return all rules
 func Rules() []C.Rule {
 	return rules
@@ -338,8 +343,6 @@ func handleUDPConn(packet C.PacketAdapter) {
 
 		oAddr := metadata.DstIP
 		natTable.Set(key, pc)
-		packet.SetNatTable(natTable)
-		packet.SetUdpInChan(udpQueue)
 
 		go handleUDPToLocal(packet, pc, key, oAddr, fAddr)