$opt_configfile = "./config.conf";

# $opt_libdir - Zusatzmodule
$opt_libdir = "./";

if ($s_ip) { my $ip = $s_ip . ":"; } else { my $ip = "port "; }

my $s_socket = IO::Socket::INET->new(
        Proto=>"udp",
        LocalAddr=>"$s_ip",
        LocalPort=>"$s_port"
) or die ("\nCan't setup UDP socket on ".my $ip.":$s_port $!\n");

#!/usr/bin/perl

use strict;
use warnings;

use IO::Socket;
use IO::Select;
use IO::Handle;

my $g_masterserver_address = "******";
my $g_masterserver_port    = "27501";
        
        my $timeout = 0;

        my $address        = $g_masterserver_address;
        my $port           = $g_masterserver_port;
        my $dest           = sockaddr_in($port, inet_aton($address));
        my ($rin, $rout, $test);

        my $msg = chr(0xff).chr(0xff)."Z".chr(0xff);
        my $s_socket;
        my $proto = getprotobyname('udp');
        socket($s_socket, AF_INET, SOCK_DGRAM, $proto);
        my $bytes = send($s_socket, $msg, 0, $dest);
        print("sent $bytes bytes to '$address:$port'");
        my $buffer = '';
        my $s_output;
        
        while (my $rc = $s_socket->recv($s_output, 1024) ) {
                print $s_output;
                $buffer .= $s_output;
        }

exit(0);