用memcache.php监控memcache的使用情况

2015-06-05 0 605

     一个非常好的memcached监控工具, 监控memcached的内存使用情况和命中率

     配置非常简单,只用配置监控的Memcached服务器的信息和访问的用户名密码就可以了!

     可以监控多个服务器

      图形界面

用memcache.php监控memcache的使用情况

<?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(\'ADMIN_USERNAME\',\'memcache\'); 	// Admin Username
define(\'ADMIN_PASSWORD\',\'password\');  	// Admin Password
define(\'DATE_FORMAT\',\'Y/m/d H:i:s\');
define(\'GRAPH_SIZE\',200);
define(\'MAX_ITEM_DUMP\',50);

$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] = \'127.0.0.1\'; //自己配置去
		$port = $strs[1] = \'11211\';
		$result[$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 $PHP_SELF;
	if ($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>
<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;
    $footer = \'</div><!-- Based on apc.php \'.$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;
}

// 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="\'.$PHP_SELF.\'&singleout=\'.$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;

    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 = $PHP_SELF.\'&op=2&server=\'.(array_search($server,$MEMCACHE_SERVERS)).\'&dumpslab=\'.$slabId;
				echo
					"<tr class=tr-$m>",
					"<td class=td-0><center>",\'<a href="\',$dumpUrl,\'">\',$slabId,\'</a>\',"</center></td>",
					"<td class=td-last><b>Item count:</b> ",$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="\',$PHP_SELF,\'&op=4&server=\',(array_search($server,$MEMCACHE_SERVERS)),\'&key=\',base64_encode($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="\',$PHP_SELF,\'&op=5&server=\',(int)$_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();

?>

遇见资源网 php 用memcache.php监控memcache的使用情况 http://www.ox520.com/7773.html

常见问题

相关文章

发表评论
暂无评论
官方客服团队

为您解决烦忧 - 24小时在线 专业服务