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| // +build darwin dragonfly freebsd netbsd openbsd
|
| package sockaddr
|
| import "os/exec"
|
| var cmds map[string][]string = map[string][]string{
| "route": {"/sbin/route", "-n", "get", "default"},
| }
|
| type routeInfo struct {
| cmds map[string][]string
| }
|
| // NewRouteInfo returns a BSD-specific implementation of the RouteInfo
| // interface.
| func NewRouteInfo() (routeInfo, error) {
| return routeInfo{
| cmds: cmds,
| }, nil
| }
|
| // GetDefaultInterfaceName returns the interface name attached to the default
| // route on the default interface.
| func (ri routeInfo) GetDefaultInterfaceName() (string, error) {
| out, err := exec.Command(cmds["route"][0], cmds["route"][1:]...).Output()
| if err != nil {
| return "", err
| }
|
| var ifName string
| if ifName, err = parseDefaultIfNameFromRoute(string(out)); err != nil {
| return "", err
| }
| return ifName, nil
| }
|
|
