<?

/*
PHP Quake 3 Library
Copyright (C) 2006-2007 Gerald Kaszuba

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

class q3query {

    private $rconpassword;
    private $fp;
    private $cmd;
    private $lastcmd;

    public function __construct($address, $port) {
        $this->cmd = str_repeat(chr(255), 4);
        $this->fp = fsockopen("udp://$address", $port, $errno, $errstr, 30);
        if (!$this->fp)
            die("$errstr ($errno)<br />\n");
    }

    public function set_rconpassword($p) {
        $this->rconpassword = $p;
    }

    public function rcon($s) {
        sleep(1);
        $this->send('rcon '.$this->rconpassword.' '.$s);
    }

    public function get_response($timeout=5) {
        $s = '';
        $bang = time() + $timeout;
        while (!strlen($s) and time() < $bang) {
            $s = $this->recv();
        }
        if (substr($s, 0, 4) != $this->cmd) {
        }
        return substr($s, 4);
    }

    private function send($string) {
        fwrite($this->fp, $this->cmd . $string . "\n");
    }

    private function recv() {
        return fread($this->fp, 9999);
    }

}

?>