AdGuardHome/util/net.go

22 lines
371 B
Go

package util
import (
"fmt"
"net"
)
// CanBindPort - checks if we can bind to this port or not
func CanBindPort(port int) (bool, error) {
addr, err := net.ResolveTCPAddr("tcp", fmt.Sprintf("127.0.0.1:%d", port))
if err != nil {
return false, err
}
l, err := net.ListenTCP("tcp", addr)
if err != nil {
return false, err
}
_ = l.Close()
return true, nil
}