wireguard-go/src/conn_linux.go

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2017-08-25 14:53:23 +02:00
package main
import (
"golang.org/x/sys/unix"
"net"
)
func setMark(conn *net.UDPConn, value int) error {
if conn == nil || value == 0 {
return nil
}
file, err := conn.File()
if err != nil {
return err
}
return unix.SetsockoptInt(
int(file.Fd()),
unix.SOL_SOCKET,
unix.SO_MARK,
value,
)
}