36 lines
882 B
Go
36 lines
882 B
Go
package inbound
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import (
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C "github.com/Dreamacro/clash/constant"
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"github.com/Dreamacro/clash/transport/socks5"
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)
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// PacketAdapter is a UDP Packet adapter for socks/redir/tun
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type PacketAdapter struct {
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C.UDPPacket
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metadata *C.Metadata
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}
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// Metadata returns destination metadata
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func (s *PacketAdapter) Metadata() *C.Metadata {
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return s.metadata
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}
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// NewPacket is PacketAdapter generator
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func NewPacket(target socks5.Addr, packet C.UDPPacket, source C.Type, additions ...Addition) C.PacketAdapter {
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metadata := parseSocksAddr(target)
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metadata.NetWork = C.UDP
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metadata.Type = source
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additions = append(additions, WithSrcAddr(packet.LocalAddr()))
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if p, ok := packet.(C.UDPPacketInAddr); ok {
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additions = append(additions, WithInAddr(p.InAddr()))
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}
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for _, addition := range additions {
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addition.Apply(metadata)
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}
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return &PacketAdapter{
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packet,
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metadata,
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}
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}
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