<?php
/*
+----------------------------------------------------------------------+
| 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> |
+----------------------------------------------------------------------+
*/
$VERSION='$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);
// Allow local configuration: change local values in (this file).local.php
$file = $_SERVER['SCRIPT_FILENAME'];
$local = preg_replace('/(.*)(\.php)$/', '$1.local$2', $file);
if (is_readable($local)) {
// echo "<p>Loading local config from $local</p>";
require $local;
}
if (!defined('ADMIN_USERNAME')) {
define('ADMIN_USERNAME', 'memcache');
}
if (!defined('ADMIN_PASSWORD')) {
define('ADMIN_PASSWORD', 'password');
}
if (empty($MEMCACHE_SERVERS)) {
$MEMCACHE_SERVERS[] = 'mymemcache-server1:11211'; // add more as an array
$MEMCACHE_SERVERS[] = 'mymemcache-server2:11211'; // add more as an array
}
////////// END OF DEFAULT CONFIG AREA /////////////////////////////////////////////////////////////
///////////////// Password protect ////////////////////////////////////////////////////////////////
if (!isset($_SERVER['PHP_AUTH_USER']) || !isset($_SERVER['PHP_AUTH_PW']) ||
$_SERVER['PHP_AUTH_USER'] != ADMIN_USERNAME ||$_SERVER['PHP_AUTH_PW'] != ADMIN_PASSWORD) {
Header("WWW-Authenticate: Basic realm=\"Memcache Login\"");
Header("HTTP/1.0 401 Unauthorized");
echo <<<EOB
<html><body>
<h1>Rejected!</h1>
<big>Wrong Username or Password!</big>
</body></html>
EOB;
exit;
}
///////////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("Can't 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 $resp;
}
function duration($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('', 'Ki', 'Mi', 'Gi', 'Ti') 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 $PHP_SELF;
if ($ob == $_GET['op']) {
return "<li><a class=\"child_active\" href=\"$PHP_SELF&op=$ob\">$title</a></li>";
}
return "<li><a class=\"active\" href=\"$PHP_SELF&op=$ob\">$title</a></li>";
}
function getHeader() {
$header = <<<EOB
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head><title>MEMCACHE INFO</title>
<link rel="stylesheet" type="text/css" href="memcache_ui.css" />
</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><!-- Based on apc.php '. $VERSION .'--></body>
</html>
';
return $footer;
}
function getMenu() {
global $PHP_SELF;
echo "<ol class=menu>";
if ($_GET['op']!=4){
echo <<<EOB
<li><a href="$PHP_SELF&op={$_GET['op']}">Refresh Data</a></li>
EOB;
}
else {
echo <<<EOB
<li><a href="$PHP_SELF&op=2}">Back</a></li>
EOB;
}
echo
menu_entry(1, 'View Host Stats'),
menu_entry(2, 'Variables');
echo <<<EOB
</ol>
<br/>
EOB;
}
function fill_arc($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);
}
}
}
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 main() {
//
// 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
// TODO, AUTH
global $PHP_SELF;
global $MEMCACHE_SERVERS;
global $time;
$_GET['op'] = !isset($_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);
}
$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
hostStats();
break;
case 2: // variables
variables();
break;
case 4: //item dump
itemDump();
break;
case 5: // item delete
itemDelete();
break;
case 6: // flush server
$theserver = $MEMCACHE_SERVERS[(int)$_GET['server']];
$r = flushServer($theserver);
echo 'Flush '.$theserver.":".$r;
break;
}
echo getFooter();
}
function itemDelete() {
global $MEMCACHE_SERVERS;
if (!isset($_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;
}
function itemDump() {
global $PHP_SELF;
global $MEMCACHE_SERVERS;
if (!isset($_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="', $PHP_SELF, '&op=5&server=', (int) $_GET['server'], '&key=', base64_encode($theKey), "\">Delete</a></td></tr>";
echo <<<EOB
</tbody></table>
</div><hr/>
EOB;
}
function hostStats() {
global $PHP_SELF;
global $MEMCACHE_SERVERS;
global $time;
$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="'. $PHP_SELF .'&singleout='. $i++ .'">'. $server. '</a><br/>';
}
}
else {
echo '1.'.$MEMCACHE_SERVERS[0];
}
if (isset($_GET['singleout'])) {
echo '<a href="'. $PHP_SELF .'">(all servers)</a><br/>';
}
echo "</td></tr>\n";
echo "<tr class=tr-1><td class=td-0>Total Memcache Cache</td><td>". bsize($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="'. $PHP_SELF .'&server='. array_search($server, $MEMCACHE_SERVERS). '&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 & Misses</td>
</tr>
EOB;
echo
graphics_avail()
? '<tr>'.
"<td class=td-0><img alt=\"\" $size src=\"$PHP_SELF&IMG=1&". (isset($_GET['singleout']) ? 'singleout='. $_GET['singleout'] .'&' : '') . "$time\"></td>".
"<td class=td-1><img alt=\"\" $size src=\"$PHP_SELF&IMG=2&". (isset($_GET['singleout']) ? 'singleout='. $_GET['singleout'] .'&' : '') . "$time\"></td></tr>\n"
: "",
'<tr>',
'<td class=td-0><span class="green box"> </span>Free: ', bsize($mem_avail) . sprintf(" (%.1f%%)", $mem_avail * 100 / $mem_size), "</td>\n",
'<td class=td-1><span class="green box"> </span>Hits: ', $hits . sprintf(" (%.1f%%)", $hits * 100 / ($hits + $misses)), "</td>\n",
'</tr>',
'<tr>',
'<td class=td-0><span class="red box"> </span>Used: ', bsize($mem_used ) . sprintf(" (%.1f%%)", $mem_used * 100 / $mem_size), "</td>\n",
'<td class=td-1><span class="red box"> </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;
}
function variables() {
global $PHP_SELF;
global $MEMCACHE_SERVERS;
global $time;
$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 = $PHP_SELF .'&op=2&server='. (array_search($server,$MEMCACHE_SERVERS)) .'&dumpslab='. $slabId;
echo
"<tr class=tr-$m>",
"<td class=td-0><center>",'<a href="', $dumpUrl,'">', $slabId, '</a>', "</center></td>",
"<td class=td-last><dl class=\"slab-header\"><dt>Item count:</dt><dd>", $slab['number'], '</dd><dt>Age:</dt><dd>', duration($time - $slab['age']),'</dd><dt>Evicted:</dt><dd>', ((isset($slab['evicted']) && $slab['evicted'] == 1) ? 'Yes' : 'No'), "</dd></dl>\n";
if ((isset($_GET['dumpslab']) && $_GET['dumpslab'] == $slabId)
&& (isset($_GET['server']) && $_GET['server'] == array_search($server, $MEMCACHE_SERVERS))) {
echo "<br/><b>Items: item</b><br/><div class=\"slab-dump\">\n";
$items = dumpCacheSlab($server, $slabId, $slab['number']);
// maybe someone likes to do a pagination here :)
$i = 1;
ksort($items['ITEM']);
foreach ($items['ITEM'] as $itemKey => $itemInfo) {
$itemInfo = trim($itemInfo,'[ ]');
echo '<a href="', $PHP_SELF, '&op=4&server=', (array_search($server, $MEMCACHE_SERVERS)), '&key=', base64_encode($itemKey) .'">', $itemKey, "</a>\n";
}
}
echo "</div><!-- .slab-dump--></td></tr>";
$m = 1 - $m;
}
echo <<<EOB
</tbody></table>
</div><hr/>
EOB;
}
}
main();