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package sockaddr
import "os/exec"
var cmds map[string][]string = map[string][]string{
"netstat": {"netstat", "-rn"},
"ipconfig": {"ipconfig"},
}
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) {
ifNameOut, err := exec.Command(cmds["netstat"][0], cmds["netstat"][1:]...).Output()
if err != nil {
return "", err
}
ipconfigOut, err := exec.Command(cmds["ipconfig"][0], cmds["ipconfig"][1:]...).Output()
if err != nil {
return "", err
}
ifName, err := parseDefaultIfNameWindows(string(ifNameOut), string(ipconfigOut))
if err != nil {
return "", err
}
return ifName, nil
}
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