<?php
/**
 |--------------------------------------------------------------------------|
 |   https://github.com/Bigjoos/                                            |
 |--------------------------------------------------------------------------|
 |   Licence Info: WTFPL                                                    |
 |--------------------------------------------------------------------------|
 |   Copyright (C) 2010 U-232 V5                                            |
 |--------------------------------------------------------------------------|
 |   A bittorrent tracker source based on TBDev.net/tbsource/bytemonsoon.   |
 |--------------------------------------------------------------------------|
 |   Project Leaders: Mindless, Autotron, whocares, Swizzles.               |
 |--------------------------------------------------------------------------|
  _   _   _   _   _     _   _   _   _   _   _     _   _   _   _
 / \ / \ / \ / \ / \   / \ / \ / \ / \ / \ / \   / \ / \ / \ / \
( U | - | 2 | 3 | 2 )-( S | o | u | r | c | e )-( C | o | d | e )
 \_/ \_/ \_/ \_/ \_/   \_/ \_/ \_/ \_/ \_/ \_/   \_/ \_/ \_/ \_/
 */
/*
  +----------------------------------------------------------------------+
  | PHP Version 5                                                        |
  +----------------------------------------------------------------------+
  | Copyright (c) 1997-2004 The PHP Group                                |
  +----------------------------------------------------------------------+
  | This source file is subject to version 3.0 of the PHP license,       |
  | that is bundled with this package in the file LICENSE, and is        |
  | available through the world-wide-web at the following url:           |
  | http://www.php.net/license/3_0.txt.                                  |
  | If you did not receive a copy of the PHP license and are unable to   |
  | obtain it through the world-wide-web, please send a note to          |
  | license@php.net so we can mail you a copy immediately.               |
  +----------------------------------------------------------------------+
  | Author:  Harun Yayli <harunyayli at gmail.com>                       |
  +----------------------------------------------------------------------+
*/
error_reporting(0);
require_once (INCL_DIR . 'user_functions.php');
require_once (CLASS_DIR . 'class_check.php');
class_check(UC_MAX);
$VERSION = '$Id: memcache.php,v 1.1.2.3 2008/08/28 18:07:54 mikl Exp $';
define('DATE_FORMAT', 'Y/m/d H:i:s');
define('GRAPH_SIZE', 200);
define('MAX_ITEM_DUMP', 50);
$MEMCACHE_SERVERS[] = '127.0.0.1:11211'; // add more as an array
//$MEMCACHE_SERVERS[] = 'mymemcache-server2:11211'; // add more as an array
////////// END OF DEFAULT CONFIG AREA /////////////////////////////////////////////////////////////
///////////MEMCACHE FUNCTIONS /////////////////////////////////////////////////////////////////////
function sendMemcacheCommands($command)
{
    global $MEMCACHE_SERVERS;
    $result = array();
    foreach ($MEMCACHE_SERVERS as $server) {
        $strs = explode(':', $server);
        $host = $strs[0];
        $port = $strs[1];
        $result[$server] = sendMemcacheCommand($host, $port, $command);
    }
    return $result;
}
function sendMemcacheCommand($server, $port, $command)
{
    $s = @fsockopen($server, $port);
    if (!$s) {
        die("Cant connect to:" . $server . ':' . $port);
    }
    fwrite($s, $command . "\r\n");
    $buf = '';
    while ((!feof($s))) {
        $buf.= fgets($s, 256);
        if (strpos($buf, "END\r\n") !== false) { // stat says end
            break;
        }
        if (strpos($buf, "DELETED\r\n") !== false || strpos($buf, "NOT_FOUND\r\n") !== false) { // delete says these
            break;
        }
        if (strpos($buf, "OK\r\n") !== false) { // flush_all says ok
            break;
        }
    }
    fclose($s);
    return parseMemcacheResults($buf);
}
function parseMemcacheResults($str)
{
    $res = array();
    $lines = explode("\r\n", $str);
    $cnt = count($lines);
    for ($i = 0; $i < $cnt; $i++) {
        $line = $lines[$i];
        $l = explode(' ', $line, 3);
        if (count($l) == 3) {
            $res[$l[0]][$l[1]] = $l[2];
            if ($l[0] == 'VALUE') { // next line is the value
                $res[$l[0]][$l[1]] = array();
                list($flag, $size) = explode(' ', $l[2]);
                $res[$l[0]][$l[1]]['stat'] = array(
                    'flag' => $flag,
                    'size' => $size
                );
                $res[$l[0]][$l[1]]['value'] = $lines[++$i];
            }
        } elseif ($line == 'DELETED' || $line == 'NOT_FOUND' || $line == 'OK') {
            return $line;
        }
    }
    return $res;
}
function dumpCacheSlab($server, $slabId, $limit)
{
    list($host, $port) = explode(':', $server);
    $resp = sendMemcacheCommand($host, $port, 'stats cachedump ' . $slabId . ' ' . $limit);
    return $resp;
}
function flushServer($server)
{
    list($host, $port) = explode(':', $server);
    $resp = sendMemcacheCommand($host, $port, 'flush_all');
    return $resp;
}
function getCacheItems()
{
    $items = sendMemcacheCommands('stats items');
    $serverItems = array();
    $totalItems = array();
    foreach ($items as $server => $itemlist) {
        $serverItems[$server] = array();
        $totalItems[$server] = 0;
        if (!isset($itemlist['STAT'])) {
            continue;
        }
        $iteminfo = $itemlist['STAT'];
        foreach ($iteminfo as $keyinfo => $value) {
            if (preg_match('/items\:(\d+?)\:(.+?)$/', $keyinfo, $matches)) {
                $serverItems[$server][$matches[1]][$matches[2]] = $value;
                if ($matches[2] == 'number') {
                    $totalItems[$server]+= $value;
                }
            }
        }
    }
    return array(
        'items' => $serverItems,
        'counts' => $totalItems
    );
}
function getMemcacheStats($total = true)
{
    $resp = sendMemcacheCommands('stats');
    if ($total) {
        $res = array();
        foreach ($resp as $server => $r) {
            foreach ($r['STAT'] as $key => $row) {
                if (!isset($res[$key])) {
                    $res[$key] = null;
                }
                switch ($key) {
                case 'pid':
                    $res['pid'][$server] = $row;
                    break;

                case 'uptime':
                    $res['uptime'][$server] = $row;
                    break;

                case 'time':
                    $res['time'][$server] = $row;
                    break;

                case 'version':
                    $res['version'][$server] = $row;
                    break;

                case 'pointer_size':
                    $res['pointer_size'][$server] = $row;
                    break;

                case 'rusage_user':
                    $res['rusage_user'][$server] = $row;
                    break;

                case 'rusage_system':
                    $res['rusage_system'][$server] = $row;
                    break;

                case 'curr_items':
                    $res['curr_items']+= $row;
                    break;

                case 'total_items':
                    $res['total_items']+= $row;
                    break;

                case 'bytes':
                    $res['bytes']+= $row;
                    break;

                case 'curr_connections':
                    $res['curr_connections']+= $row;
                    break;

                case 'total_connections':
                    $res['total_connections']+= $row;
                    break;

                case 'connection_structures':
                    $res['connection_structures']+= $row;
                    break;

                case 'cmd_get':
                    $res['cmd_get']+= $row;
                    break;

                case 'cmd_set':
                    $res['cmd_set']+= $row;
                    break;

                case 'get_hits':
                    $res['get_hits']+= $row;
                    break;

                case 'get_misses':
                    $res['get_misses']+= $row;
                    break;

                case 'evictions':
                    $res['evictions']+= $row;
                    break;

                case 'bytes_read':
                    $res['bytes_read']+= $row;
                    break;

                case 'bytes_written':
                    $res['bytes_written']+= $row;
                    break;

                case 'limit_maxbytes':
                    $res['limit_maxbytes']+= $row;
                    break;

                case 'threads':
                    $res['rusage_system'][$server] = $row;
                    break;
                }
            }
        }
        return $res;
    }
    return $resp;
}
//////////////////////////////////////////////////////
//
// don't cache this page
//
header("Cache-Control: no-store, no-cache, must-revalidate"); // HTTP/1.1
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache"); // HTTP/1.0
function duration($ts)
{
    global $time;
    $years = (int)((($time - $ts) / (7 * 86400)) / 52.177457);
    $rem = (int)(($time - $ts) - ($years * 52.177457 * 7 * 86400));
    $weeks = (int)(($rem) / (7 * 86400));
    $days = (int)(($rem) / 86400) - $weeks * 7;
    $hours = (int)(($rem) / 3600) - $days * 24 - $weeks * 7 * 24;
    $mins = (int)(($rem) / 60) - $hours * 60 - $days * 24 * 60 - $weeks * 7 * 24 * 60;
    $str = '';
    if ($years == 1) $str.= "$years year, ";
    if ($years > 1) $str.= "$years years, ";
    if ($weeks == 1) $str.= "$weeks week, ";
    if ($weeks > 1) $str.= "$weeks weeks, ";
    if ($days == 1) $str.= "$days day,";
    if ($days > 1) $str.= "$days days,";
    if ($hours == 1) $str.= " $hours hour and";
    if ($hours > 1) $str.= " $hours hours and";
    if ($mins == 1) $str.= " 1 minute";
    else $str.= " $mins minutes";
    return $str;
}
// create graphics
//
function graphics_avail()
{
    return extension_loaded('gd');
}
function bsize($s)
{
    foreach (array(
        '',
        'K',
        'M',
        'G'
    ) as $i => $k) {
        if ($s < 1024) break;

        $s/= 1024;
    }
    return sprintf("%5.1f %sBytes", $s, $k);
}
// create menu entry
function menu_entry($ob, $title)
{
    global $PHP_SELF, $INSTALLER09;
    if ($ob == $_GET['op']) {
        return "<li><a class=\"child_active\" href=\"{$INSTALLER09['baseurl']}/staffpanel.php?tool=memcache&amp;op=$ob\">$title</a></li>";
    }
    return "<li><a class=\"active\" href=\"{$INSTALLER09['baseurl']}/staffpanel.php?tool=memcache&amp;op=$ob\">$title</a></li>";
}
function getHeader()
{
    global $INSTALLER09;
    $header = <<<EOB
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head><title>MEMCACHE INFO</title>
<style type="text/css"><!--
body { background:white; font-size:100.01%; margin:0; padding:0; }
body,p,td,th,input,submit { font-size:0.8em;font-family:arial,helvetica,sans-serif; }
* html body   {font-size:0.8em}
* html p      {font-size:0.8em}
* html td     {font-size:0.8em}
* html th     {font-size:0.8em}
* html input  {font-size:0.8em}
* html submit {font-size:0.8em}
td { vertical-align:top }
a { color:black; font-weight:none; text-decoration:none; }
a:hover { text-decoration:underline; }
div.content { padding:1em 1em 1em 1em; position:absolute; width:97%; z-index:100; }

h1.memcache { background:rgb(153,153,204); margin:0; padding:0.5em 1em 0.5em 1em; }
* html h1.memcache { margin-bottom:-7px; }
h1.memcache a:hover { text-decoration:none; color:rgb(90,90,90); }
h1.memcache span.logo {
	background:rgb(119,123,180);
	color:black;
	border-right: solid black 1px;
	border-bottom: solid black 1px;
	font-style:italic;
	font-size:1em;
	padding-left:1.2em;
	padding-right:1.2em;
	text-align:right;
	display:block;
	width:130px;
	}
h1.memcache span.logo span.name { color:white; font-size:0.7em; padding:0 0.8em 0 2em; }
h1.memcache span.nameinfo { color:white; display:inline; font-size:0.4em; margin-left: 3em; }
h1.memcache div.copy { color:black; font-size:0.4em; position:absolute; right:1em; }
hr.memcache {
	background:white;
	border-bottom:solid rgb(102,102,153) 1px;
	border-style:none;
	border-top:solid rgb(102,102,153) 10px;
	height:12px;
	margin:0;
	margin-top:1px;
	padding:0;
}

ol,menu { margin:1em 0 0 0; padding:0.2em; margin-left:1em;}
ol.menu li { display:inline; margin-right:0.7em; list-style:none; font-size:85%}
ol.menu a {
	background:rgb(153,153,204);
	border:solid rgb(102,102,153) 2px;
	color:white;
	font-weight:bold;
	margin-right:0em;
	padding:0.1em 0.5em 0.1em 0.5em;
	text-decoration:none;
	margin-left: 5px;
	}
ol.menu a.child_active {
	background:rgb(153,153,204);
	border:solid rgb(102,102,153) 2px;
	color:white;
	font-weight:bold;
	margin-right:0em;
	padding:0.1em 0.5em 0.1em 0.5em;
	text-decoration:none;
	border-left: solid black 5px;
	margin-left: 0px;
	}
ol.menu span.active {
	background:rgb(153,153,204);
	border:solid rgb(102,102,153) 2px;
	color:black;
	font-weight:bold;
	margin-right:0em;
	padding:0.1em 0.5em 0.1em 0.5em;
	text-decoration:none;
	border-left: solid black 5px;
	}
ol.menu span.inactive {
	background:rgb(193,193,244);
	border:solid rgb(182,182,233) 2px;
	color:white;
	font-weight:bold;
	margin-right:0em;
	padding:0.1em 0.5em 0.1em 0.5em;
	text-decoration:none;
	margin-left: 5px;
	}
ol.menu a:hover {
	background:rgb(193,193,244);
	text-decoration:none;
	}


div.info {
	background:rgb(204,204,204);
	border:solid rgb(204,204,204) 1px;
	margin-bottom:1em;
	}
div.info h2 {
	background:rgb(204,204,204);
	color:black;
	font-size:1em;
	margin:0;
	padding:0.1em 1em 0.1em 1em;
	}
div.info table {
	border:solid rgb(204,204,204) 1px;
	border-spacing:0;
	width:100%;
	}
div.info table th {
	background:rgb(204,204,204);
	color:white;
	margin:0;
	padding:0.1em 1em 0.1em 1em;
	}
div.info table th a.sortable { color:black; }
div.info table tr.tr-0 { background:rgb(238,238,238); }
div.info table tr.tr-1 { background:rgb(221,221,221); }
div.info table td { padding:0.3em 1em 0.3em 1em; }
div.info table td.td-0 { border-right:solid rgb(102,102,153) 1px; white-space:nowrap; }
div.info table td.td-n { border-right:solid rgb(102,102,153) 1px; }
div.info table td h3 {
	color:black;
	font-size:1.1em;
	margin-left:-0.3em;
	}
.td-0 a , .td-n a, .tr-0 a , tr-1 a {
    text-decoration:underline;
}
div.graph { margin-bottom:1em }
div.graph h2 { background:rgb(204,204,204);; color:black; font-size:1em; margin:0; padding:0.1em 1em 0.1em 1em; }
div.graph table { border:solid rgb(204,204,204) 1px; color:black; font-weight:normal; width:100%; }
div.graph table td.td-0 { background:rgb(238,238,238); }
div.graph table td.td-1 { background:rgb(221,221,221); }
div.graph table td { padding:0.2em 1em 0.4em 1em; }

div.div1,div.div2 { margin-bottom:1em; width:35em; }
div.div3 { position:absolute; left:40em; top:1em; width:580px; }
//div.div3 { position:absolute; left:37em; top:1em; right:1em; }

div.sorting { margin:1.5em 0em 1.5em 2em }
.center { text-align:center }
.aright { position:absolute;right:1em }
.right { text-align:right }
.ok { color:rgb(0,200,0); font-weight:bold}
.failed { color:rgb(200,0,0); font-weight:bold}

span.box {
	border: black solid 1px;
	border-right:solid black 2px;
	border-bottom:solid black 2px;
	padding:0 0.5em 0 0.5em;
	margin-right:1em;
}
span.green { background:#60F060; padding:0 0.5em 0 0.5em}
span.red { background:#D06030; padding:0 0.5em 0 0.5em }

div.authneeded {
	background:rgb(238,238,238);
	border:solid rgb(204,204,204) 1px;
	color:rgb(200,0,0);
	font-size:1.2em;
	font-weight:bold;
	padding:2em;
	text-align:center;
	}

input {
	background:rgb(153,153,204);
	border:solid rgb(102,102,153) 2px;
	color:white;
	font-weight:bold;
	margin-right:1em;
	padding:0.1em 0.5em 0.1em 0.5em;
	}
//-->
</style>
</head>
<body>
<div class="head">
	<h1 class="memcache">
		<span class="logo"><a href="http://pecl.php.net/package/memcache">memcache</a></span>
		<span class="nameinfo">memcache.php by <a href="http://livebookmark.net">Harun Yayli</a></span>
	</h1>
	<hr class="memcache">
</div>
<div class=content>
EOB;
    return $header;
}
function getFooter()
{
    global $VERSION;
    $footer = '</div></div><!-- Based on apc.php ' . $VERSION . '--></body>
</html>
';
    return $footer;
}
function getMenu()
{
    global $PHP_SELF, $INSTALLER09;
    echo "<ol class=menu>";
    if ($_GET['op'] != 4) {
        echo <<<EOB
    <li><a href="{$INSTALLER09['baseurl']}/staffpanel.php?tool=memcache&amp;op={$_GET['op']}">Refresh Data</a></li>
EOB;
        
    } else {
        echo <<<EOB
    <li><a href="{$INSTALLER09['baseurl']}/staffpanel.php?tool=memcache&amp;op=2">Back</a></li>
EOB;
        
    }
    echo menu_entry(1, 'View Host Stats') , menu_entry(2, 'Variables');
    echo <<<EOB
	</ol>
	<br/>
EOB;
    
}
// TODO, AUTH
$_GET['op'] = !isset($_GET['op']) ? '1' : $_GET['op'];
$PHP_SELF = isset($_SERVER['PHP_SELF']) ? htmlentities(strip_tags($_SERVER['PHP_SELF'], '')) : '';
$PHP_SELF = $PHP_SELF . '?';
$time = time();
// sanitize _GET
foreach ($_GET as $key => $g) {
    $_GET[$key] = htmlentities($g);
}
// singleout
// when singleout is set, it only gives details for that server.
if (isset($_GET['singleout']) && $_GET['singleout'] >= 0 && $_GET['singleout'] < count($MEMCACHE_SERVERS)) {
    $MEMCACHE_SERVERS = array(
        $MEMCACHE_SERVERS[$_GET['singleout']]
    );
}
// display images
if (isset($_GET['IMG'])) {
    $memcacheStats = getMemcacheStats();
    $memcacheStatsSingle = getMemcacheStats(false);
    if (!graphics_avail()) {
        exit(0);
    }
    function fill_box($im, $x, $y, $w, $h, $color1, $color2, $text = '', $placeindex = '')
    {
        global $col_black;
        $x1 = $x + $w - 1;
        $y1 = $y + $h - 1;
        imagerectangle($im, $x, $y1, $x1 + 1, $y + 1, $col_black);
        if ($y1 > $y) imagefilledrectangle($im, $x, $y, $x1, $y1, $color2);
        else imagefilledrectangle($im, $x, $y1, $x1, $y, $color2);
        imagerectangle($im, $x, $y1, $x1, $y, $color1);
        if ($text) {
            if ($placeindex > 0) {
                if ($placeindex < 16) {
                    $px = 5;
                    $py = $placeindex * 12 + 6;
                    imagefilledrectangle($im, $px + 90, $py + 3, $px + 90 - 4, $py - 3, $color2);
                    imageline($im, $x, $y + $h / 2, $px + 90, $py, $color2);
                    imagestring($im, 2, $px, $py - 6, $text, $color1);
                } else {
                    if ($placeindex < 31) {
                        $px = $x + 40 * 2;
                        $py = ($placeindex - 15) * 12 + 6;
                    } else {
                        $px = $x + 40 * 2 + 100 * intval(($placeindex - 15) / 15);
                        $py = ($placeindex % 15) * 12 + 6;
                    }
                    imagefilledrectangle($im, $px, $py + 3, $px - 4, $py - 3, $color2);
                    imageline($im, $x + $w, $y + $h / 2, $px, $py, $color2);
                    imagestring($im, 2, $px + 2, $py - 6, $text, $color1);
                }
            } else {
                imagestring($im, 4, $x + 5, $y1 - 16, $text, $color1);
            }
        }
    }
    function fill_arc($im, $centerX, $centerY, $diameter, $start, $end, $color1, $color2, $text = '', $placeindex = 0)
    {
        $r = $diameter / 2;
        $w = deg2rad((360 + $start + ($end - $start) / 2) % 360);
        if (function_exists("imagefilledarc")) {
            // exists only if GD 2.0.1 is avaliable
            imagefilledarc($im, $centerX + 1, $centerY + 1, $diameter, $diameter, $start, $end, $color1, IMG_ARC_PIE);
            imagefilledarc($im, $centerX, $centerY, $diameter, $diameter, $start, $end, $color2, IMG_ARC_PIE);
            imagefilledarc($im, $centerX, $centerY, $diameter, $diameter, $start, $end, $color1, IMG_ARC_NOFILL | IMG_ARC_EDGED);
        } else {
            imagearc($im, $centerX, $centerY, $diameter, $diameter, $start, $end, $color2);
            imageline($im, $centerX, $centerY, $centerX + cos(deg2rad($start)) * $r, $centerY + sin(deg2rad($start)) * $r, $color2);
            imageline($im, $centerX, $centerY, $centerX + cos(deg2rad($start + 1)) * $r, $centerY + sin(deg2rad($start)) * $r, $color2);
            imageline($im, $centerX, $centerY, $centerX + cos(deg2rad($end - 1)) * $r, $centerY + sin(deg2rad($end)) * $r, $color2);
            imageline($im, $centerX, $centerY, $centerX + cos(deg2rad($end)) * $r, $centerY + sin(deg2rad($end)) * $r, $color2);
            imagefill($im, $centerX + $r * cos($w) / 2, $centerY + $r * sin($w) / 2, $color2);
        }
        if ($text) {
            if ($placeindex > 0) {
                imageline($im, $centerX + $r * cos($w) / 2, $centerY + $r * sin($w) / 2, $diameter, $placeindex * 12, $color1);
                imagestring($im, 4, $diameter, $placeindex * 12, $text, $color1);
            } else {
                imagestring($im, 4, $centerX + $r * cos($w) / 2, $centerY + $r * sin($w) / 2, $text, $color1);
            }
        }
    }
    $size = GRAPH_SIZE; // image size
    $image = imagecreate($size + 50, $size + 10);
    $col_white = imagecolorallocate($image, 0xFF, 0xFF, 0xFF);
    $col_red = imagecolorallocate($image, 0xD0, 0x60, 0x30);
    $col_green = imagecolorallocate($image, 0x60, 0xF0, 0x60);
    $col_black = imagecolorallocate($image, 0, 0, 0);
    imagecolortransparent($image, $col_white);
    switch ($_GET['IMG']) {
    case 1: // pie chart
        $tsize = $memcacheStats['limit_maxbytes'];
        $avail = $tsize - $memcacheStats['bytes'];
        $x = $y = $size / 2;
        $angle_from = 0;
        $fuzz = 0.000001;
        foreach ($memcacheStatsSingle as $serv => $mcs) {
            $free = $mcs['STAT']['limit_maxbytes'] - $mcs['STAT']['bytes'];
            $used = $mcs['STAT']['bytes'];
            if ($free > 0) {
                // draw free
                $angle_to = ($free * 360) / $tsize;
                $perc = sprintf("%.2f%%", ($free * 100) / $tsize);
                fill_arc($image, $x, $y, $size, $angle_from, $angle_from + $angle_to, $col_black, $col_green, $perc);
                $angle_from = $angle_from + $angle_to;
            }
            if ($used > 0) {
                // draw used
                $angle_to = ($used * 360) / $tsize;
                $perc = sprintf("%.2f%%", ($used * 100) / $tsize);
                fill_arc($image, $x, $y, $size, $angle_from, $angle_from + $angle_to, $col_black, $col_red, '(' . $perc . ')');
                $angle_from = $angle_from + $angle_to;
            }
        }
        break;

    case 2: // hit miss
        $hits = ($memcacheStats['get_hits'] == 0) ? 1 : $memcacheStats['get_hits'];
        $misses = ($memcacheStats['get_misses'] == 0) ? 1 : $memcacheStats['get_misses'];
        $total = $hits + $misses;
        fill_box($image, 30, $size, 50, -$hits * ($size - 21) / $total, $col_black, $col_green, sprintf("%.1f%%", $hits * 100 / $total));
        fill_box($image, 130, $size, 50, -max(4, ($total - $hits) * ($size - 21) / $total) , $col_black, $col_red, sprintf("%.1f%%", $misses * 100 / $total));
        break;
    }
    header("Content-type: image/png");
    imagepng($image);
    exit;
}
echo getHeader();
echo getMenu();
switch ($_GET['op']) {
case 1: // host stats
    $phpversion = phpversion();
    $memcacheStats = getMemcacheStats();
    $memcacheStatsSingle = getMemcacheStats(false);
    $mem_size = $memcacheStats['limit_maxbytes'];
    $mem_used = $memcacheStats['bytes'];
    $mem_avail = $mem_size - $mem_used;
    $startTime = time() - array_sum($memcacheStats['uptime']);
    $curr_items = $memcacheStats['curr_items'];
    $total_items = $memcacheStats['total_items'];
    $hits = ($memcacheStats['get_hits'] == 0) ? 1 : $memcacheStats['get_hits'];
    $misses = ($memcacheStats['get_misses'] == 0) ? 1 : $memcacheStats['get_misses'];
    $sets = $memcacheStats['cmd_set'];
    $req_rate = sprintf("%.2f", ($hits + $misses) / ($time - $startTime));
    $hit_rate = sprintf("%.2f", ($hits) / ($time - $startTime));
    $miss_rate = sprintf("%.2f", ($misses) / ($time - $startTime));
    $set_rate = sprintf("%.2f", ($sets) / ($time - $startTime));
    echo <<< EOB
		<div class="info div1"><h2>General Cache Information</h2>
		<table cellspacing="0"><tbody>
		<tr class="tr-1"><td class="td-0">PHP Version</td><td>$phpversion</td></tr>
EOB;
    echo "<tr class='tr-0'><td class='td-0'>Memcached Host" . ((count($MEMCACHE_SERVERS) > 1) ? 's' : '') . "</td><td>";
    $i = 0;
    if (!isset($_GET['singleout']) && count($MEMCACHE_SERVERS) > 1) {
        foreach ($MEMCACHE_SERVERS as $server) {
            echo ($i + 1) . '. <a href="' . $INSTALLER09['baseurl'] . '/staffpanel.php?tool=memcache&amp;singleout=' . $i++ . '">' . $server . '</a><br/>';
        }
    } else {
        echo '1.' . $MEMCACHE_SERVERS[0];
    }
    if (isset($_GET['singleout'])) {
        echo '<a href="' . $INSTALLER09['baseurl'] . '/staffpanel.php?tool=memcache">(all servers)</a><br/>';
    }
    echo "</td></tr>\n";
    echo "<tr class='tr-1'><td class='td-0'>Total Memcache Cache</td><td>" . bsize($memcacheStats['limit_maxbytes']) . "</td></tr>\n";
    echo <<<EOB
		</tbody></table>
		</div>

		<div class="info div1"><h2>Memcache Server Information</h2>
EOB;
    foreach ($MEMCACHE_SERVERS as $server) {
        echo '<table cellspacing="0"><tbody>';
        echo '<tr class="tr-1"><td class="td-1">' . $server . '</td><td><a href="' . $INSTALLER09['baseurl'] . '/staffpanel.php?tool=memcache&amp;server=' . array_search($server, $MEMCACHE_SERVERS) . '&amp;op=6">[<b>Flush this server</b>]</a></td></tr>';
        echo '<tr class="tr-0"><td class="td-0">Start Time</td><td>', date(DATE_FORMAT, $memcacheStatsSingle[$server]['STAT']['time'] - $memcacheStatsSingle[$server]['STAT']['uptime']) , '</td></tr>';
        echo '<tr class="tr-1"><td class="td-0">Uptime</td><td>', duration($memcacheStatsSingle[$server]['STAT']['time'] - $memcacheStatsSingle[$server]['STAT']['uptime']) , '</td></tr>';
        echo '<tr class="tr-0"><td class="td-0">Memcached Server Version</td><td>' . $memcacheStatsSingle[$server]['STAT']['version'] . '</td></tr>';
        echo '<tr class="tr-1"><td class="td-0">Used Cache Size</td><td>', bsize($memcacheStatsSingle[$server]['STAT']['bytes']) , '</td></tr>';
        echo '<tr class="tr-0"><td class="td-0">Total Cache Size</td><td>', bsize($memcacheStatsSingle[$server]['STAT']['limit_maxbytes']) , '</td></tr>';
        echo '</tbody></table>';
    }
    echo <<<EOB

		</div>
		<div class="graph div3"><h2>Host Status Diagrams</h2>
		<table cellspacing="0"><tbody>
EOB;
    $size = 'width=' . (GRAPH_SIZE + 50) . ' height=' . (GRAPH_SIZE + 10);
    echo <<<EOB
		<tr>
		<td class="td-0">Cache Usage</td>
		<td class="td-1">Hits &amp; Misses</td>
		</tr>
EOB;
    echo graphics_avail() ? '<tr>' . "<td class='td-0'><img alt=\"\" $size src=\"{$INSTALLER09['baseurl']}/staffpanel.php?tool=memcache&amp;IMG=1&amp;" . (isset($_GET['singleout']) ? 'singleout=' . $_GET['singleout'] . '&amp;' : '') . "$time\"></td>" . "<td class='td-1'><img alt=\"\" $size src=\"{$INSTALLER09['baseurl']}/staffpanel.php?tool=memcache&amp;IMG=2&amp;" . (isset($_GET['singleout']) ? 'singleout=' . $_GET['singleout'] . '&amp;' : '') . "$time\"></td></tr>\n" : "", '<tr>', '<td class="td-0"><span class="green box">&nbsp;</span>Free: ', bsize($mem_avail) . sprintf(" (%.1f%%)", $mem_avail * 100 / $mem_size) , "</td>\n", '<td class="td-1"><span class="green box">&nbsp;</span>Hits: ', $hits . sprintf(" (%.1f%%)", $hits * 100 / ($hits + $misses)) , "</td>\n", '</tr>', '<tr>', '<td class="td-0"><span class="red box">&nbsp;</span>Used: ', bsize($mem_used) . sprintf(" (%.1f%%)", $mem_used * 100 / $mem_size) , "</td>\n", '<td class="td-1"><span class="red box">&nbsp;</span>Misses: ', $misses . sprintf(" (%.1f%%)", $misses * 100 / ($hits + $misses)) , "</td>\n";
    echo <<< EOB
	</tr>
	</tbody></table>
<br/>
	<div class="info"><h2>Cache Information</h2>
		<table cellspacing="0"><tbody>
		<tr class="tr-0"><td class="td-0">Current Items(total)</td><td>$curr_items ($total_items)</td></tr>
		<tr class="tr-1"><td class="td-0">Hits</td><td>{$hits}</td></tr>
		<tr class="tr-0"><td class="td-0">Misses</td><td>{$misses}</td></tr>
		<tr class="tr-1"><td class="td-0">Request Rate (hits, misses)</td><td>$req_rate cache requests/second</td></tr>
		<tr class="tr-0"><td class="td-0">Hit Rate</td><td>$hit_rate cache requests/second</td></tr>
		<tr class="tr-1"><td class="td-0">Miss Rate</td><td>$miss_rate cache requests/second</td></tr>
		<tr class="tr-0"><td class="td-0">Set Rate</td><td>$set_rate cache requests/second</td></tr>
		</tbody></table>
		</div>

EOB;
    break;

case 2: // variables
    $m = 0;
    $cacheItems = getCacheItems();
    $items = $cacheItems['items'];
    $totals = $cacheItems['counts'];
    $maxDump = MAX_ITEM_DUMP;
    foreach ($items as $server => $entries) {
        echo <<< EOB

			<div class="info"><table cellspacing="0"><tbody>
			<tr><th colspan="2">$server</th></tr>
			<tr><th>Slab Id</th><th>Info</th></tr>
EOB;
        foreach ($entries as $slabId => $slab) {
            $dumpUrl = $INSTALLER09['baseurl'] . '/staffpanel.php?tool=memcache&amp;op=2&amp;server=' . (array_search($server, $MEMCACHE_SERVERS)) . '&amp;dumpslab=' . $slabId;
            echo "<tr class='tr-$m'>", "<td class='td-0'><center>", '<a href="', $dumpUrl, '">', $slabId, '</a>', "</center></td>", "<td class='td-last'><b>Item count:</b> ", $slab['number'], '<br/><b>Age:</b>', duration($time - $slab['age']) , '<br/> <b>Evicted:</b>', ((isset($slab['evicted']) && $slab['evicted'] == 1) ? 'Yes' : 'No');
            if ((isset($_GET['dumpslab']) && $_GET['dumpslab'] == $slabId) && (isset($_GET['server']) && $_GET['server'] == array_search($server, $MEMCACHE_SERVERS))) {
                echo "<br/><b>Items: item</b><br/>";
                $items = dumpCacheSlab($server, $slabId, $slab['number']);
                // maybe someone likes to do a pagination here :)
                $i = 1;
                foreach ($items['ITEM'] as $itemKey => $itemInfo) {
                    $itemInfo = trim($itemInfo, '[ ]');
                    echo '<a href="', $INSTALLER09['baseurl'], '/staffpanel.php?tool=memcache&amp;op=4&amp;server=', (array_search($server, $MEMCACHE_SERVERS)) , '&amp;key=', base64_encode($itemKey) . '">', $itemKey, '</a>';
                    if ($i++ % 10 == 0) {
                        echo '<br/>';
                    } elseif ($i != $slab['number'] + 1) {
                        echo ',';
                    }
                }
            }
            echo "</td></tr>";
            $m = 1 - $m;
        }
        echo <<<EOB
			</tbody></table>
			</div><hr/>
EOB;
        
    }
    break;

    break;

case 4: //item dump
    if (!isset($_GET['key']) || !isset($_GET['server'])) {
        echo "No key set!";
        break;
    }
    // I'm not doing anything to check the validity of the key string.
    // probably an exploit can be written to delete all the files in key=base64_encode("\n\r delete all").
    // somebody has to do a fix to this.
    $theKey = htmlentities(base64_decode($_GET['key']));
    $theserver = $MEMCACHE_SERVERS[(int)$_GET['server']];
    list($h, $p) = explode(':', $theserver);
    $r = sendMemcacheCommand($h, $p, 'get ' . $theKey);
    echo <<<EOB
        <div class="info"><table cellspacing="0"><tbody>
			<tr><th>Server<th>Key</th><th>Value</th><th>Delete</th></tr>
EOB;
    echo "<tr><td class='td-0'>", $theserver, "</td><td class='td-0'>", $theKey, " <br/>flag:", $r['VALUE'][$theKey]['stat']['flag'], " <br/>Size:", bsize($r['VALUE'][$theKey]['stat']['size']) , "</td><td>", chunk_split($r['VALUE'][$theKey]['value'], 40) , "</td>", '<td><a href="', $INSTALLER09['baseurl'], '/staffpanel.php?tool=memcache&op=5&server=', (int)$_GET['server'], '&key=', base64_encode($theKey) , "\">Delete</a></td>", "</tr>";
    echo <<<EOB
			</tbody></table>
			</div><hr/>
EOB;
    break;

case 5: // item delete
    if (!isset($_GET['key']) || !isset($_GET['server'])) {
        echo "No key set!";
        break;
    }
    $theKey = htmlentities(base64_decode($_GET['key']));
    $theserver = $MEMCACHE_SERVERS[(int)$_GET['server']];
    list($h, $p) = explode(':', $theserver);
    $r = sendMemcacheCommand($h, $p, 'delete ' . $theKey);
    echo 'Deleting ' . $theKey . ':' . $r;
    break;

case 6: // flush server
    $theserver = $MEMCACHE_SERVERS[(int)$_GET['server']];
    $r = flushServer($theserver);
    echo 'Flush  ' . $theserver . ":" . $r;
    break;
}
echo getFooter();
?>
