<?php

    if ($_GET["server"] == "" ) {
        if ($handle = opendir('/opt/usergraph')) {
            while (false !== ($file = readdir($handle))) {
                if ( is_dir($file) && ! (preg_match("/^\./", $file)) ){
                    print "<a href=\"cpu.php?server=$file\">$file</a><br/>";
                }
            }
        closedir($handle);
        }
    } else {
        $server = $_GET["server"];
        print "<h1>$server</h1>";
        if ( is_dir("/opt/usergraph/$server") && ($handle = opendir("/opt/usergraph/$server")) ) {
            print "<table width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"4\">";
                $usernames = array();
            while (false !== ($file = readdir($handle))) {
                if ( is_file("/opt/usergraph/$server/$file") && (preg_match("/^\w+\.rrd/", $file)) ){
                    $name = preg_split("/\.rrd/", $file);
                    $usernames[] = $name[0];
                }
            }
                sort($usernames);
                for ($i=0; $i<count($usernames); $i++ ) {
                    $username = $usernames[$i];
                    $time = time();
                    print "<tr align=\"center\" bgcolor=\"#999999\">
                   <td>".$username."</td>
                   <td><a href=\"/cgi-bin/mkgraph.pl?username=".$username."&server=". $server. "&start=".($time - 24*60*60)."\">CPU usage за день</a></td>
                   <td><a href=\"/cgi-bin/mkgraph.pl?username=".$username."&server=". $server. "&start=".($time - 24*60*60*7)."\">CPU usage за неделю</a></td>
                   <td><a href=\"/cgi-bin/mkgraph.pl?username=".$username."&server=". $server. "&start=".($time - 24*60*60*30)."\">CPU usage за месяц</a></td>
                   </tr>";
                }
            print "</table>";
            closedir($handle);
        }
    }
?>