Files
yggdrasil-go/src/core/link_tcp_linux.go
2023-09-03 13:30:41 +01:00

31 lines
676 B
Go

//go:build linux
// +build linux
package core
import (
"syscall"
"golang.org/x/sys/unix"
)
// WARNING: This context is used both by net.Dialer and net.Listen in tcp.go
func (t *linkTCP) tcpContext(network, address string, c syscall.RawConn) error {
return nil
}
func (t *linkTCP) getControl(sintf string) func(string, string, syscall.RawConn) error {
return func(network, address string, c syscall.RawConn) error {
var err error
btd := func(fd uintptr) {
err = unix.BindToDevice(int(fd), sintf)
}
_ = c.Control(btd)
if err != nil {
t.links.core.log.Debugln("Failed to set SO_BINDTODEVICE:", sintf)
}
return t.tcpContext(network, address, c)
}
}