<?php
 
$packet = "\xFF\xFF\xFF\xFFTSource Engine Query\x00";
 
require('config.php');
 
$query = mysql_query("SELECT * FROM serveriai ORDER BY `id`") or die(mysql_error());
 
function getnextstring(&$data) {
    $temp = "";
    $counter = 0;
    while (ord($data[$counter++]) != 0)
        $temp.=$data[$counter - 1];
    $data = substr($data, strlen($temp) + 1);
    return $temp;
}
 
function getnextbytevalue(&$data) {
    $temp = ord($data[0]);
    $data = substr($data, 1);
    return $temp;
}
 
while ($row = mysql_fetch_array($query)) {
 
	$ips = $row['adr']; 
	$ports = $row['port'];
 
    if (!$live_server = fsockopen("udp://".$ips.":".$ports)) {
        $output = "Off";
    } else {
        fwrite($live_server, $packet);
        socket_set_timeout($live_server, 1, 0);
        $junk = fread($live_server, 5);
        $status = socket_get_status($live_server);
        $do = 1;
        $server_info = "";
 
        while ($do) {
            $str_1 = fread($live_server, 1);
            $server_info .= $str_1;
            $status = socket_get_status($live_server);
            if ($status["unread_bytes"] == 0) {
                $do = 0;
            }
        }
        fclose($live_server);
 
        if (strlen($server_info) > 0) {
            $success = 1;
            $junk = getnextstring($server_info);
            $servername = getnextstring($server_info);
            $map = getnextstring($server_info);
            $junk = getnextstring($server_info);
            $junk = getnextstring($server_info);
            $players = getnextbytevalue($server_info);
            $maxplayers = getnextbytevalue($server_info);
        }
 
        if ($players != '') {
            $players = $players;
        } else {
            $players = "0";
        }
 
        if ($maxplayers != '') {
            $maxplayers = $maxplayers;
        } else {
            $maxplayers = "0";
        }
        if ($players < $maxplayers) {
            $output = "<font color='green'>Online</font>";
        } else {
            $output = "<font color='#54ff00'>Full</font>";
        }
        if ($output != "Full" and $players != "0" or $maxplayers != "0") {
            $output = $output;
        } else {
            $output = "<font color='red'>Offline</font>";
        }
        if ($map != '') {
            $map = "" . $map . "";
        } else {
            $map = "-----";
        }
        if ($servername != '') {
            $servername = $servername;
        } else {
            $servername = "<font color='#ff3600'>Serveris neveikia.</font>";
        }
    }
}
?>