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n5em
10年前发布

用memcache.php监控memcache的使用情况

     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


<?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();    ?>