clash/adapters/inbound/packet.go

34 lines
789 B
Go

package inbound
import (
"github.com/Dreamacro/clash/component/socks5"
C "github.com/Dreamacro/clash/constant"
)
// PacketAdapter is a UDP Packet adapter for socks/redir/tun
type PacketAdapter struct {
C.UDPPacket
metadata *C.Metadata
}
// Metadata returns destination metadata
func (s *PacketAdapter) Metadata() *C.Metadata {
return s.metadata
}
// NewPacket is PacketAdapter generator
func NewPacket(target socks5.Addr, packet C.UDPPacket, source C.Type, netType C.NetWork) *PacketAdapter {
metadata := parseSocksAddr(target)
metadata.NetWork = netType
metadata.Type = source
if ip, port, err := parseAddr(packet.LocalAddr().String()); err == nil {
metadata.SrcIP = ip
metadata.SrcPort = port
}
return &PacketAdapter{
UDPPacket: packet,
metadata: metadata,
}
}