go-qemu/pkg/utils/utils.go

24 lines
382 B
Go

package utils
import "net"
func GetFreePort() (int, error) {
addr, err := net.ResolveTCPAddr("tcp", "localhost:0")
if err != nil {
return 0, err
}
l, err := net.ListenTCP("tcp", addr)
if err != nil {
return 0, err
}
defer l.Close()
return l.Addr().(*net.TCPAddr).Port, nil
}
// converts bool to on/off format
var SW = map[bool]string{
true: "on",
false: "off",
}