25 lines
520 B
Go
25 lines
520 B
Go
//go:build linux
|
|
// +build linux
|
|
|
|
package transport
|
|
|
|
import (
|
|
"net"
|
|
"syscall"
|
|
)
|
|
|
|
// bindToInterface returns a Control function that binds connections
|
|
// to the specified network interface using SO_BINDTODEVICE.
|
|
func bindToInterface(iface string) func(string, string, syscall.RawConn) error {
|
|
return func(network, address string, c syscall.RawConn) error {
|
|
var err error
|
|
c.Control(func(fd uintptr) {
|
|
err = syscall.BindToDevice(int(fd), iface)
|
|
})
|
|
return err
|
|
}
|
|
}
|
|
|
|
// Ensure net import is used
|
|
var _ net.Conn
|