44 lines
793 B
Go
44 lines
793 B
Go
package tunnel
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import (
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"net"
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"github.com/Dreamacro/clash/common/pool"
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C "github.com/Dreamacro/clash/constant"
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)
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type packet struct {
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pc net.PacketConn
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rAddr net.Addr
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payload []byte
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}
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func (c *packet) Data() []byte {
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return c.payload
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}
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// WriteBack write UDP packet with source(ip, port) = `addr`
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func (c *packet) WriteBack(b []byte, addr net.Addr) (n int, err error) {
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return c.pc.WriteTo(b, c.rAddr)
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}
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// LocalAddr returns the source IP/Port of UDP Packet
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func (c *packet) LocalAddr() net.Addr {
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return c.rAddr
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}
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func (c *packet) Drop() {
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pool.Put(c.payload)
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}
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func (c *packet) InAddr() net.Addr {
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return c.pc.LocalAddr()
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}
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func (c *packet) SetNatTable(natTable C.NatTable) {
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// no need
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}
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func (c *packet) SetUdpInChan(in chan<- C.PacketAdapter) {
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// no need
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}
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