{"id":546,"date":"2024-12-10T12:05:45","date_gmt":"2024-12-10T04:05:45","guid":{"rendered":"http:\/\/192.168.5.24\/?p=546"},"modified":"2024-12-10T14:42:00","modified_gmt":"2024-12-10T06:42:00","slug":"memcached%e5%ae%89%e8%a3%85%e5%8f%8a%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/bigvip.dpdns.org\/?p=546","title":{"rendered":"memcached\u5b89\u88c5\u53ca\u4f7f\u7528"},"content":{"rendered":"\n

\u4e00\u3001\u4ecb\u7ecd<\/h2>\n\n\n\n

Memcached \u662f\u56fd\u5916\u793e\u533a\u7f51\u7ad9\u56e2\u961f\u5f00\u53d1\u7684 \u9ad8\u6027\u80fd\u7684\u5206\u5e03\u5f0f\u5185\u5b58\u7f13\u5b58\u670d\u52a1\u5668\u3002\u4e00\u822c\u7684\u4f7f\u7528\u76ee\u7684\u662f\u901a\u8fc7\u7f13\u5b58\u6570\u636e\u5e93\u67e5\u8be2\u7ed3\u679c\uff0c\u51cf\u5c11\u6570\u636e\u5e93\u8bbf\u95ee\u6b21\u6570\uff0c\u4ee5\u63d0\u9ad8\u52a8\u6001 Web \u5e94\u7528\u7684\u901f\u5ea6\u3001\u63d0\u9ad8\u8bbf\u95ee\u6548\u7387\u3002<\/p>\n\n\n\n

\u4e8c\u3001\u5b89\u88c5<\/h2>\n\n\n\n
yum -y install libevent telnet memcached <\/code><\/pre>\n\n\n\n
\u4e09\u3001\u4f7f\u7528<\/h2>\n\n\n\n
telnet 127.0.0.1 11211<\/code><\/pre>\n\n\n\n
\u56db\u3001\u76d1\u63a7<\/h2>\n\n\n\n
\u5b89\u88c5web\u670d\u52a1\u5668\u53caphp\u652f\u6301\n\nyum -y install httpd php\n\n\u628a\u76d1\u63a7\u9875\u9762\u7684php\u6587\u4ef6\u653e\u5230\u6587\u6863\u9ed8\u8ba4\u8def\u5f84\/var\/www\/html\u4e2d\n\u6253\u5f00httpd\u670d\u52a1 \n\nsystemctl start httpd<\/code><\/pre>\n\n\n\n
\u8ba9\u540e\u7528\u6d4f\u89c8\u5668\u6253\u5f00<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u76d1\u63a7memcached\u7684php\u6587\u4ef6\u5982\u4e0b\uff1a<\/p>\n\n\n\n
<?php\n\n$VERSION='$Id: memcache.php,v 1.1.2.3 2008\/08\/28 18:07:54 mikl Exp $';\n\ndefine('ADMIN_USERNAME','root'); \t\/\/ Admin Username\ndefine('ADMIN_PASSWORD','123456');  \t\/\/ Admin Password\ndefine('DATE_FORMAT','Y\/m\/d H:i:s');\ndefine('GRAPH_SIZE',200);\ndefine('MAX_ITEM_DUMP',50);\n\n$MEMCACHE_SERVERS[] = '192.168.65.128:11211'; \/\/ add more as an array\n\n\n\/\/\/\/\/\/\/\/\/\/ END OF DEFAULT CONFIG AREA \/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\n\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/ Password protect \/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\nif (!isset($_SERVER['PHP_AUTH_USER']) || !isset($_SERVER['PHP_AUTH_PW']) ||\n           $_SERVER['PHP_AUTH_USER'] != ADMIN_USERNAME ||$_SERVER['PHP_AUTH_PW'] != ADMIN_PASSWORD) {\n\t\t\tHeader(\"WWW-Authenticate: Basic realm=\\\"Memcache Login\\\"\");\n\t\t\tHeader(\"HTTP\/1.0 401 Unauthorized\");\n\n\t\t\techo <<<EOB\n\t\t\t\t<html><body>\n\t\t\t\t<h1>Rejected!<\/h1>\n\t\t\t\t<big>Wrong Username or Password!<\/big>\n\t\t\t\t<\/body><\/html>\nEOB;\n\t\t\texit;\n}\n\n\/\/\/\/\/\/\/\/\/\/\/MEMCACHE FUNCTIONS \/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\n\nfunction sendMemcacheCommands($command){\n    global $MEMCACHE_SERVERS;\n\t$result = array();\n\n\tforeach($MEMCACHE_SERVERS as $server){\n\t\t$strs = explode(':',$server);\n\t\t$host = $strs[0];\n\t\t$port = $strs[1];\n\t\t$result[$server] = sendMemcacheCommand($host,$port,$command);\n\t}\n\treturn $result;\n}\nfunction sendMemcacheCommand($server,$port,$command){\n\n\t$s = @fsockopen($server,$port);\n\tif (!$s){\n\t\tdie(\"Cant connect to:\".$server.':'.$port);\n\t}\n\n\tfwrite($s, $command.\"\\r\\n\");\n\n\t$buf='';\n\twhile ((!feof($s))) {\n\t\t$buf .= fgets($s, 256);\n\t\tif (strpos($buf,\"END\\r\\n\")!==false){ \/\/ stat says end\n\t\t    break;\n\t\t}\n\t\tif (strpos($buf,\"DELETED\\r\\n\")!==false || strpos($buf,\"NOT_FOUND\\r\\n\")!==false){ \/\/ delete says these\n\t\t    break;\n\t\t}\n\t\tif (strpos($buf,\"OK\\r\\n\")!==false){ \/\/ flush_all says ok\n\t\t    break;\n\t\t}\n\t}\n    fclose($s);\n    return parseMemcacheResults($buf);\n}\nfunction parseMemcacheResults($str){\n\n\t$res = array();\n\t$lines = explode(\"\\r\\n\",$str);\n\t$cnt = count($lines);\n\tfor($i=0; $i< $cnt; $i++){\n\t    $line = $lines[$i];\n\t\t$l = explode(' ',$line,3);\n\t\tif (count($l)==3){\n\t\t\t$res[$l[0]][$l[1]]=$l[2];\n\t\t\tif ($l[0]=='VALUE'){ \/\/ next line is the value\n\t\t\t    $res[$l[0]][$l[1]] = array();\n\t\t\t    list ($flag,$size)=explode(' ',$l[2]);\n\t\t\t    $res[$l[0]][$l[1]]['stat']=array('flag'=>$flag,'size'=>$size);\n\t\t\t    $res[$l[0]][$l[1]]['value']=$lines[++$i];\n\t\t\t}\n\t\t}elseif($line=='DELETED' || $line=='NOT_FOUND' || $line=='OK'){\n\t\t    return $line;\n\t\t}\n\t}\n\treturn $res;\n\n}\n\nfunction dumpCacheSlab($server,$slabId,$limit){\n    list($host,$port) = explode(':',$server);\n    $resp = sendMemcacheCommand($host,$port,'stats cachedump '.$slabId.' '.$limit);\n\n   return $resp;\n\n}\n\nfunction flushServer($server){\n    list($host,$port) = explode(':',$server);\n    $resp = sendMemcacheCommand($host,$port,'flush_all');\n    return $resp;\n}\nfunction getCacheItems(){\n $items = sendMemcacheCommands('stats items');\n $serverItems = array();\n $totalItems = array();\n foreach ($items as $server=>$itemlist){\n    $serverItems[$server] = array();\n    $totalItems[$server]=0;\n    if (!isset($itemlist['STAT'])){\n        continue;\n    }\n\n    $iteminfo = $itemlist['STAT'];\n\n    foreach($iteminfo as $keyinfo=>$value){\n        if (preg_match('\/items\\:(\\d+?)\\:(.+?)$\/',$keyinfo,$matches)){\n            $serverItems[$server][$matches[1]][$matches[2]] = $value;\n            if ($matches[2]=='number'){\n                $totalItems[$server] +=$value;\n            }\n        }\n    }\n }\n return array('items'=>$serverItems,'counts'=>$totalItems);\n}\nfunction getMemcacheStats($total=true){\n\t$resp = sendMemcacheCommands('stats');\n\tif ($total){\n\t\t$res = array();\n\t\tforeach($resp as $server=>$r){\n\t\t\tforeach($r['STAT'] as $key=>$row){\n\t\t\t\tif (!isset($res[$key])){\n\t\t\t\t\t$res[$key]=null;\n\t\t\t\t}\n\t\t\t\tswitch ($key){\n\t\t\t\t\tcase 'pid':\n\t\t\t\t\t\t$res['pid'][$server]=$row;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'uptime':\n\t\t\t\t\t\t$res['uptime'][$server]=$row;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'time':\n\t\t\t\t\t\t$res['time'][$server]=$row;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'version':\n\t\t\t\t\t\t$res['version'][$server]=$row;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'pointer_size':\n\t\t\t\t\t\t$res['pointer_size'][$server]=$row;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'rusage_user':\n\t\t\t\t\t\t$res['rusage_user'][$server]=$row;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'rusage_system':\n\t\t\t\t\t\t$res['rusage_system'][$server]=$row;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'curr_items':\n\t\t\t\t\t\t$res['curr_items']+=$row;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'total_items':\n\t\t\t\t\t\t$res['total_items']+=$row;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'bytes':\n\t\t\t\t\t\t$res['bytes']+=$row;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'curr_connections':\n\t\t\t\t\t\t$res['curr_connections']+=$row;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'total_connections':\n\t\t\t\t\t\t$res['total_connections']+=$row;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'connection_structures':\n\t\t\t\t\t\t$res['connection_structures']+=$row;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'cmd_get':\n\t\t\t\t\t\t$res['cmd_get']+=$row;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'cmd_set':\n\t\t\t\t\t\t$res['cmd_set']+=$row;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'get_hits':\n\t\t\t\t\t\t$res['get_hits']+=$row;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'get_misses':\n\t\t\t\t\t\t$res['get_misses']+=$row;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'evictions':\n\t\t\t\t\t\t$res['evictions']+=$row;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'bytes_read':\n\t\t\t\t\t\t$res['bytes_read']+=$row;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'bytes_written':\n\t\t\t\t\t\t$res['bytes_written']+=$row;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'limit_maxbytes':\n\t\t\t\t\t\t$res['limit_maxbytes']+=$row;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase 'threads':\n\t\t\t\t\t\t$res['rusage_system'][$server]=$row;\n\t\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\treturn $res;\n\t}\n\treturn $resp;\n}\n\n\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\n\n\/\/\n\/\/ don't cache this page\n\/\/\nheader(\"Cache-Control: no-store, no-cache, must-revalidate\");  \/\/ HTTP\/1.1\nheader(\"Cache-Control: post-check=0, pre-check=0\", false);\nheader(\"Pragma: no-cache\");                                    \/\/ HTTP\/1.0\n\nfunction duration($ts) {\n    global $time;\n    $years = (int)((($time - $ts)\/(7*86400))\/52.177457);\n    $rem = (int)(($time-$ts)-($years * 52.177457 * 7 * 86400));\n    $weeks = (int)(($rem)\/(7*86400));\n    $days = (int)(($rem)\/86400) - $weeks*7;\n    $hours = (int)(($rem)\/3600) - $days*24 - $weeks*7*24;\n    $mins = (int)(($rem)\/60) - $hours*60 - $days*24*60 - $weeks*7*24*60;\n    $str = '';\n    if($years==1) $str .= \"$years year, \";\n    if($years>1) $str .= \"$years years, \";\n    if($weeks==1) $str .= \"$weeks week, \";\n    if($weeks>1) $str .= \"$weeks weeks, \";\n    if($days==1) $str .= \"$days day,\";\n    if($days>1) $str .= \"$days days,\";\n    if($hours == 1) $str .= \" $hours hour and\";\n    if($hours>1) $str .= \" $hours hours and\";\n    if($mins == 1) $str .= \" 1 minute\";\n    else $str .= \" $mins minutes\";\n    return $str;\n}\n\n\/\/ create graphics\n\/\/\nfunction graphics_avail() {\n\treturn extension_loaded('gd');\n}\n\nfunction bsize($s) {\n\tforeach (array('','K','M','G') as $i => $k) {\n\t\tif ($s < 1024) break;\n\t\t$s\/=1024;\n\t}\n\treturn sprintf(\"%5.1f %sBytes\",$s,$k);\n}\n\n\/\/ create menu entry\nfunction menu_entry($ob,$title) {\n\tglobal $PHP_SELF;\n\tif ($ob==$_GET['op']){\n\t    return \"<li><a class=\\\"child_active\\\" href=\\\"$PHP_SELF&op=$ob\\\">$title<\/a><\/li>\";\n\t}\n\treturn \"<li><a class=\\\"active\\\" href=\\\"$PHP_SELF&op=$ob\\\">$title<\/a><\/li>\";\n}\n\nfunction getHeader(){\n    $header = <<<EOB\n<!DOCTYPE HTML PUBLIC \"-\/\/W3C\/\/DTD HTML 4.01 Transitional\/\/EN\">\n<html>\n<head><title>MEMCACHE INFO<\/title>\n<style type=\"text\/css\"><!--\nbody { background:white; font-size:100.01%; margin:0; padding:0; }\nbody,p,td,th,input,submit { font-size:0.8em;font-family:arial,helvetica,sans-serif; }\n* html body   {font-size:0.8em}\n* html p      {font-size:0.8em}\n* html td     {font-size:0.8em}\n* html th     {font-size:0.8em}\n* html input  {font-size:0.8em}\n* html submit {font-size:0.8em}\ntd { vertical-align:top }\na { color:black; font-weight:none; text-decoration:none; }\na:hover { text-decoration:underline; }\ndiv.content { padding:1em 1em 1em 1em; position:absolute; width:97%; z-index:100; }\n\nh1.memcache { background:rgb(153,153,204); margin:0; padding:0.5em 1em 0.5em 1em; }\n* html h1.memcache { margin-bottom:-7px; }\nh1.memcache a:hover { text-decoration:none; color:rgb(90,90,90); }\nh1.memcache span.logo {\n\tbackground:rgb(119,123,180);\n\tcolor:black;\n\tborder-right: solid black 1px;\n\tborder-bottom: solid black 1px;\n\tfont-style:italic;\n\tfont-size:1em;\n\tpadding-left:1.2em;\n\tpadding-right:1.2em;\n\ttext-align:right;\n\tdisplay:block;\n\twidth:130px;\n\t}\nh1.memcache span.logo span.name { color:white; font-size:0.7em; padding:0 0.8em 0 2em; }\nh1.memcache span.nameinfo { color:white; display:inline; font-size:0.4em; margin-left: 3em; }\nh1.memcache div.copy { color:black; font-size:0.4em; position:absolute; right:1em; }\nhr.memcache {\n\tbackground:white;\n\tborder-bottom:solid rgb(102,102,153) 1px;\n\tborder-style:none;\n\tborder-top:solid rgb(102,102,153) 10px;\n\theight:12px;\n\tmargin:0;\n\tmargin-top:1px;\n\tpadding:0;\n}\n\nol,menu { margin:1em 0 0 0; padding:0.2em; margin-left:1em;}\nol.menu li { display:inline; margin-right:0.7em; list-style:none; font-size:85%}\nol.menu a {\n\tbackground:rgb(153,153,204);\n\tborder:solid rgb(102,102,153) 2px;\n\tcolor:white;\n\tfont-weight:bold;\n\tmargin-right:0em;\n\tpadding:0.1em 0.5em 0.1em 0.5em;\n\ttext-decoration:none;\n\tmargin-left: 5px;\n\t}\nol.menu a.child_active {\n\tbackground:rgb(153,153,204);\n\tborder:solid rgb(102,102,153) 2px;\n\tcolor:white;\n\tfont-weight:bold;\n\tmargin-right:0em;\n\tpadding:0.1em 0.5em 0.1em 0.5em;\n\ttext-decoration:none;\n\tborder-left: solid black 5px;\n\tmargin-left: 0px;\n\t}\nol.menu span.active {\n\tbackground:rgb(153,153,204);\n\tborder:solid rgb(102,102,153) 2px;\n\tcolor:black;\n\tfont-weight:bold;\n\tmargin-right:0em;\n\tpadding:0.1em 0.5em 0.1em 0.5em;\n\ttext-decoration:none;\n\tborder-left: solid black 5px;\n\t}\nol.menu span.inactive {\n\tbackground:rgb(193,193,244);\n\tborder:solid rgb(182,182,233) 2px;\n\tcolor:white;\n\tfont-weight:bold;\n\tmargin-right:0em;\n\tpadding:0.1em 0.5em 0.1em 0.5em;\n\ttext-decoration:none;\n\tmargin-left: 5px;\n\t}\nol.menu a:hover {\n\tbackground:rgb(193,193,244);\n\ttext-decoration:none;\n\t}\n\n\ndiv.info {\n\tbackground:rgb(204,204,204);\n\tborder:solid rgb(204,204,204) 1px;\n\tmargin-bottom:1em;\n\t}\ndiv.info h2 {\n\tbackground:rgb(204,204,204);\n\tcolor:black;\n\tfont-size:1em;\n\tmargin:0;\n\tpadding:0.1em 1em 0.1em 1em;\n\t}\ndiv.info table {\n\tborder:solid rgb(204,204,204) 1px;\n\tborder-spacing:0;\n\twidth:100%;\n\t}\ndiv.info table th {\n\tbackground:rgb(204,204,204);\n\tcolor:white;\n\tmargin:0;\n\tpadding:0.1em 1em 0.1em 1em;\n\t}\ndiv.info table th a.sortable { color:black; }\ndiv.info table tr.tr-0 { background:rgb(238,238,238); }\ndiv.info table tr.tr-1 { background:rgb(221,221,221); }\ndiv.info table td { padding:0.3em 1em 0.3em 1em; }\ndiv.info table td.td-0 { border-right:solid rgb(102,102,153) 1px; white-space:nowrap; }\ndiv.info table td.td-n { border-right:solid rgb(102,102,153) 1px; }\ndiv.info table td h3 {\n\tcolor:black;\n\tfont-size:1.1em;\n\tmargin-left:-0.3em;\n\t}\n.td-0 a , .td-n a, .tr-0 a , tr-1 a {\n    text-decoration:underline;\n}\ndiv.graph { margin-bottom:1em }\ndiv.graph h2 { background:rgb(204,204,204);; color:black; font-size:1em; margin:0; padding:0.1em 1em 0.1em 1em; }\ndiv.graph table { border:solid rgb(204,204,204) 1px; color:black; font-weight:normal; width:100%; }\ndiv.graph table td.td-0 { background:rgb(238,238,238); }\ndiv.graph table td.td-1 { background:rgb(221,221,221); }\ndiv.graph table td { padding:0.2em 1em 0.4em 1em; }\n\ndiv.div1,div.div2 { margin-bottom:1em; width:35em; }\ndiv.div3 { position:absolute; left:40em; top:1em; width:580px; }\n\/\/div.div3 { position:absolute; left:37em; top:1em; right:1em; }\n\ndiv.sorting { margin:1.5em 0em 1.5em 2em }\n.center { text-align:center }\n.aright { position:absolute;right:1em }\n.right { text-align:right }\n.ok { color:rgb(0,200,0); font-weight:bold}\n.failed { color:rgb(200,0,0); font-weight:bold}\n\nspan.box {\n\tborder: black solid 1px;\n\tborder-right:solid black 2px;\n\tborder-bottom:solid black 2px;\n\tpadding:0 0.5em 0 0.5em;\n\tmargin-right:1em;\n}\nspan.green { background:#60F060; padding:0 0.5em 0 0.5em}\nspan.red { background:#D06030; padding:0 0.5em 0 0.5em }\n\ndiv.authneeded {\n\tbackground:rgb(238,238,238);\n\tborder:solid rgb(204,204,204) 1px;\n\tcolor:rgb(200,0,0);\n\tfont-size:1.2em;\n\tfont-weight:bold;\n\tpadding:2em;\n\ttext-align:center;\n\t}\n\ninput {\n\tbackground:rgb(153,153,204);\n\tborder:solid rgb(102,102,153) 2px;\n\tcolor:white;\n\tfont-weight:bold;\n\tmargin-right:1em;\n\tpadding:0.1em 0.5em 0.1em 0.5em;\n\t}\n\/\/-->\n<\/style>\n<\/head>\n<body>\n<div class=\"head\">\n\t<h1 class=\"memcache\">\n\t\t<span class=\"logo\"><a href=\"http:\/\/pecl.php.net\/package\/memcache\">memcache<\/a><\/span>\n\t\t<span class=\"nameinfo\">memcache.php by <a href=\"http:\/\/livebookmark.net\">Harun Yayli<\/a><\/span>\n\t<\/h1>\n\t<hr class=\"memcache\">\n<\/div>\n<div class=content>\nEOB;\n\n    return $header;\n}\nfunction getFooter(){\n    global $VERSION;\n    $footer = '<\/div><!-- Based on apc.php '.$VERSION.'--><\/body>\n<\/html>\n';\n\n    return $footer;\n\n}\nfunction getMenu(){\n    global $PHP_SELF;\necho \"<ol class=menu>\";\nif ($_GET['op']!=4){\necho <<<EOB\n    <li><a href=\"$PHP_SELF&op={$_GET['op']}\">Refresh Data<\/a><\/li>\nEOB;\n}\nelse {\necho <<<EOB\n    <li><a href=\"$PHP_SELF&op=2}\">Back<\/a><\/li>\nEOB;\n}\necho\n\tmenu_entry(1,'View Host Stats'),\n\tmenu_entry(2,'Variables');\n\necho <<<EOB\n\t<\/ol>\n\t<br\/>\nEOB;\n}\n\n\/\/ TODO, AUTH\n\n$_GET['op'] = !isset($_GET['op'])? '1':$_GET['op'];\n$PHP_SELF= isset($_SERVER['PHP_SELF']) ? htmlentities(strip_tags($_SERVER['PHP_SELF'],'')) : '';\n\n$PHP_SELF=$PHP_SELF.'?';\n$time = time();\n\/\/ sanitize _GET\n\nforeach($_GET as $key=>$g){\n    $_GET[$key]=htmlentities($g);\n}\n\n\n\/\/ singleout\n\/\/ when singleout is set, it only gives details for that server.\nif (isset($_GET['singleout']) && $_GET['singleout']>=0 && $_GET['singleout'] <count($MEMCACHE_SERVERS)){\n    $MEMCACHE_SERVERS = array($MEMCACHE_SERVERS[$_GET['singleout']]);\n}\n\n\/\/ display images\nif (isset($_GET['IMG'])){\n    $memcacheStats = getMemcacheStats();\n    $memcacheStatsSingle = getMemcacheStats(false);\n\n    if (!graphics_avail()) {\n\t\texit(0);\n\t}\n\n\tfunction fill_box($im, $x, $y, $w, $h, $color1, $color2,$text='',$placeindex='') {\n\t\tglobal $col_black;\n\t\t$x1=$x+$w-1;\n\t\t$y1=$y+$h-1;\n\n\t\timagerectangle($im, $x, $y1, $x1+1, $y+1, $col_black);\n\t\tif($y1>$y) imagefilledrectangle($im, $x, $y, $x1, $y1, $color2);\n\t\telse imagefilledrectangle($im, $x, $y1, $x1, $y, $color2);\n\t\timagerectangle($im, $x, $y1, $x1, $y, $color1);\n\t\tif ($text) {\n\t\t\tif ($placeindex>0) {\n\n\t\t\t\tif ($placeindex<16)\n\t\t\t\t{\n\t\t\t\t\t$px=5;\n\t\t\t\t\t$py=$placeindex*12+6;\n\t\t\t\t\timagefilledrectangle($im, $px+90, $py+3, $px+90-4, $py-3, $color2);\n\t\t\t\t\timageline($im,$x,$y+$h\/2,$px+90,$py,$color2);\n\t\t\t\t\timagestring($im,2,$px,$py-6,$text,$color1);\n\n\t\t\t\t} else {\n\t\t\t\t\tif ($placeindex<31) {\n\t\t\t\t\t\t$px=$x+40*2;\n\t\t\t\t\t\t$py=($placeindex-15)*12+6;\n\t\t\t\t\t} else {\n\t\t\t\t\t\t$px=$x+40*2+100*intval(($placeindex-15)\/15);\n\t\t\t\t\t\t$py=($placeindex%15)*12+6;\n\t\t\t\t\t}\n\t\t\t\t\timagefilledrectangle($im, $px, $py+3, $px-4, $py-3, $color2);\n\t\t\t\t\timageline($im,$x+$w,$y+$h\/2,$px,$py,$color2);\n\t\t\t\t\timagestring($im,2,$px+2,$py-6,$text,$color1);\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\timagestring($im,4,$x+5,$y1-16,$text,$color1);\n\t\t\t}\n\t\t}\n\t}\n\n\n    function fill_arc($im, $centerX, $centerY, $diameter, $start, $end, $color1,$color2,$text='',$placeindex=0) {\n\t\t$r=$diameter\/2;\n\t\t$w=deg2rad((360+$start+($end-$start)\/2)%360);\n\n\n\t\tif (function_exists(\"imagefilledarc\")) {\n\t\t\t\/\/ exists only if GD 2.0.1 is avaliable\n\t\t\timagefilledarc($im, $centerX+1, $centerY+1, $diameter, $diameter, $start, $end, $color1, IMG_ARC_PIE);\n\t\t\timagefilledarc($im, $centerX, $centerY, $diameter, $diameter, $start, $end, $color2, IMG_ARC_PIE);\n\t\t\timagefilledarc($im, $centerX, $centerY, $diameter, $diameter, $start, $end, $color1, IMG_ARC_NOFILL|IMG_ARC_EDGED);\n\t\t} else {\n\t\t\timagearc($im, $centerX, $centerY, $diameter, $diameter, $start, $end, $color2);\n\t\t\timageline($im, $centerX, $centerY, $centerX + cos(deg2rad($start)) * $r, $centerY + sin(deg2rad($start)) * $r, $color2);\n\t\t\timageline($im, $centerX, $centerY, $centerX + cos(deg2rad($start+1)) * $r, $centerY + sin(deg2rad($start)) * $r, $color2);\n\t\t\timageline($im, $centerX, $centerY, $centerX + cos(deg2rad($end-1))   * $r, $centerY + sin(deg2rad($end))   * $r, $color2);\n\t\t\timageline($im, $centerX, $centerY, $centerX + cos(deg2rad($end))   * $r, $centerY + sin(deg2rad($end))   * $r, $color2);\n\t\t\timagefill($im,$centerX + $r*cos($w)\/2, $centerY + $r*sin($w)\/2, $color2);\n\t\t}\n\t\tif ($text) {\n\t\t\tif ($placeindex>0) {\n\t\t\t\timageline($im,$centerX + $r*cos($w)\/2, $centerY + $r*sin($w)\/2,$diameter, $placeindex*12,$color1);\n\t\t\t\timagestring($im,4,$diameter, $placeindex*12,$text,$color1);\n\n\t\t\t} else {\n\t\t\t\timagestring($im,4,$centerX + $r*cos($w)\/2, $centerY + $r*sin($w)\/2,$text,$color1);\n\t\t\t}\n\t\t}\n\t}\n\t$size = GRAPH_SIZE; \/\/ image size\n\t$image = imagecreate($size+50, $size+10);\n\n\t$col_white = imagecolorallocate($image, 0xFF, 0xFF, 0xFF);\n\t$col_red   = imagecolorallocate($image, 0xD0, 0x60,  0x30);\n\t$col_green = imagecolorallocate($image, 0x60, 0xF0, 0x60);\n\t$col_black = imagecolorallocate($image,   0,   0,   0);\n\n\timagecolortransparent($image,$col_white);\n\n    switch ($_GET['IMG']){\n        case 1: \/\/ pie chart\n            $tsize=$memcacheStats['limit_maxbytes'];\n    \t\t$avail=$tsize-$memcacheStats['bytes'];\n    \t\t$x=$y=$size\/2;\n    \t\t$angle_from = 0;\n    \t\t$fuzz = 0.000001;\n\n            foreach($memcacheStatsSingle as $serv=>$mcs) {\n    \t\t\t$free = $mcs['STAT']['limit_maxbytes']-$mcs['STAT']['bytes'];\n    \t\t\t$used = $mcs['STAT']['bytes'];\n\n\n                if ($free>0){\n    \t\t\t\/\/ draw free\n    \t\t\t    $angle_to = ($free*360)\/$tsize;\n                    $perc =sprintf(\"%.2f%%\", ($free *100) \/ $tsize) ;\n\n        \t\t\tfill_arc($image,$x,$y,$size,$angle_from,$angle_from + $angle_to ,$col_black,$col_green,$perc);\n        \t\t\t$angle_from = $angle_from + $angle_to ;\n                }\n    \t\t\tif ($used>0){\n    \t\t\t\/\/ draw used\n        \t\t\t$angle_to = ($used*360)\/$tsize;\n        \t\t\t$perc =sprintf(\"%.2f%%\", ($used *100) \/ $tsize) ;\n        \t\t\tfill_arc($image,$x,$y,$size,$angle_from,$angle_from + $angle_to ,$col_black,$col_red, '('.$perc.')' );\n                    $angle_from = $angle_from+ $angle_to ;\n    \t\t\t}\n    \t\t\t}\n\n        break;\n\n        case 2: \/\/ hit miss\n\n            $hits = ($memcacheStats['get_hits']==0) ? 1:$memcacheStats['get_hits'];\n            $misses = ($memcacheStats['get_misses']==0) ? 1:$memcacheStats['get_misses'];\n            $total = $hits + $misses ;\n\n\t       \tfill_box($image, 30,$size,50,-$hits*($size-21)\/$total,$col_black,$col_green,sprintf(\"%.1f%%\",$hits*100\/$total));\n\t\t    fill_box($image,130,$size,50,-max(4,($total-$hits)*($size-21)\/$total),$col_black,$col_red,sprintf(\"%.1f%%\",$misses*100\/$total));\n\t\tbreak;\n\n    }\n    header(\"Content-type: image\/png\");\n\timagepng($image);\n\texit;\n}\n\necho getHeader();\necho getMenu();\n\nswitch ($_GET['op']) {\n\n    case 1: \/\/ host stats\n    \t$phpversion = phpversion();\n        $memcacheStats = getMemcacheStats();\n        $memcacheStatsSingle = getMemcacheStats(false);\n\n        $mem_size = $memcacheStats['limit_maxbytes'];\n    \t$mem_used = $memcacheStats['bytes'];\n\t    $mem_avail= $mem_size-$mem_used;\n\t    $startTime = time()-array_sum($memcacheStats['uptime']);\n\n        $curr_items = $memcacheStats['curr_items'];\n        $total_items = $memcacheStats['total_items'];\n        $hits = ($memcacheStats['get_hits']==0) ? 1:$memcacheStats['get_hits'];\n        $misses = ($memcacheStats['get_misses']==0) ? 1:$memcacheStats['get_misses'];\n        $sets = $memcacheStats['cmd_set'];\n\n       \t$req_rate = sprintf(\"%.2f\",($hits+$misses)\/($time-$startTime));\n\t    $hit_rate = sprintf(\"%.2f\",($hits)\/($time-$startTime));\n\t    $miss_rate = sprintf(\"%.2f\",($misses)\/($time-$startTime));\n\t    $set_rate = sprintf(\"%.2f\",($sets)\/($time-$startTime));\n\n\t    echo <<< EOB\n\t\t<div class=\"info div1\"><h2>General Cache Information<\/h2>\n\t\t<table cellspacing=0><tbody>\n\t\t<tr class=tr-1><td class=td-0>PHP Version<\/td><td>$phpversion<\/td><\/tr>\nEOB;\n\t\techo \"<tr class=tr-0><td class=td-0>Memcached Host\". ((count($MEMCACHE_SERVERS)>1) ? 's':'').\"<\/td><td>\";\n\t\t$i=0;\n\t\tif (!isset($_GET['singleout']) && count($MEMCACHE_SERVERS)>1){\n    \t\tforeach($MEMCACHE_SERVERS as $server){\n    \t\t      echo ($i+1).'. <a href=\"'.$PHP_SELF.'&singleout='.$i++.'\">'.$server.'<\/a><br\/>';\n    \t\t}\n\t\t}\n\t\telse{\n\t\t    echo '1.'.$MEMCACHE_SERVERS[0];\n\t\t}\n\t\tif (isset($_GET['singleout'])){\n\t\t      echo '<a href=\"'.$PHP_SELF.'\">(all servers)<\/a><br\/>';\n\t\t}\n\t\techo \"<\/td><\/tr>\\n\";\n\t\techo \"<tr class=tr-1><td class=td-0>Total Memcache Cache<\/td><td>\".bsize($memcacheStats['limit_maxbytes']).\"<\/td><\/tr>\\n\";\n\n\techo <<<EOB\n\t\t<\/tbody><\/table>\n\t\t<\/div>\n\n\t\t<div class=\"info div1\"><h2>Memcache Server Information<\/h2>\nEOB;\n        foreach($MEMCACHE_SERVERS as $server){\n            echo '<table cellspacing=0><tbody>';\n            echo '<tr class=tr-1><td class=td-1>'.$server.'<\/td><td><a href=\"'.$PHP_SELF.'&server='.array_search($server,$MEMCACHE_SERVERS).'&op=6\">[<b>Flush this server<\/b>]<\/a><\/td><\/tr>';\n    \t\techo '<tr class=tr-0><td class=td-0>Start Time<\/td><td>',date(DATE_FORMAT,$memcacheStatsSingle[$server]['STAT']['time']-$memcacheStatsSingle[$server]['STAT']['uptime']),'<\/td><\/tr>';\n    \t\techo '<tr class=tr-1><td class=td-0>Uptime<\/td><td>',duration($memcacheStatsSingle[$server]['STAT']['time']-$memcacheStatsSingle[$server]['STAT']['uptime']),'<\/td><\/tr>';\n    \t\techo '<tr class=tr-0><td class=td-0>Memcached Server Version<\/td><td>'.$memcacheStatsSingle[$server]['STAT']['version'].'<\/td><\/tr>';\n    \t\techo '<tr class=tr-1><td class=td-0>Used Cache Size<\/td><td>',bsize($memcacheStatsSingle[$server]['STAT']['bytes']),'<\/td><\/tr>';\n    \t\techo '<tr class=tr-0><td class=td-0>Total Cache Size<\/td><td>',bsize($memcacheStatsSingle[$server]['STAT']['limit_maxbytes']),'<\/td><\/tr>';\n    \t\techo '<\/tbody><\/table>';\n\t   }\n    echo <<<EOB\n\n\t\t<\/div>\n\t\t<div class=\"graph div3\"><h2>Host Status Diagrams<\/h2>\n\t\t<table cellspacing=0><tbody>\nEOB;\n\n\t$size='width='.(GRAPH_SIZE+50).' height='.(GRAPH_SIZE+10);\n\techo <<<EOB\n\t\t<tr>\n\t\t<td class=td-0>Cache Usage<\/td>\n\t\t<td class=td-1>Hits &amp; Misses<\/td>\n\t\t<\/tr>\nEOB;\n\n\techo\n\t\tgraphics_avail() ?\n\t\t\t  '<tr>'.\n\t\t\t  \"<td class=td-0><img alt=\\\"\\\" $size src=\\\"$PHP_SELF&IMG=1&\".(isset($_GET['singleout'])? 'singleout='.$_GET['singleout'].'&':'').\"$time\\\"><\/td>\".\n\t\t\t  \"<td class=td-1><img alt=\\\"\\\" $size src=\\\"$PHP_SELF&IMG=2&\".(isset($_GET['singleout'])? 'singleout='.$_GET['singleout'].'&':'').\"$time\\\"><\/td><\/tr>\\n\"\n\t\t\t: \"\",\n\t\t'<tr>',\n\t\t'<td class=td-0><span class=\"green box\">&nbsp;<\/span>Free: ',bsize($mem_avail).sprintf(\" (%.1f%%)\",$mem_avail*100\/$mem_size),\"<\/td>\\n\",\n\t\t'<td class=td-1><span class=\"green box\">&nbsp;<\/span>Hits: ',$hits.sprintf(\" (%.1f%%)\",$hits*100\/($hits+$misses)),\"<\/td>\\n\",\n\t\t'<\/tr>',\n\t\t'<tr>',\n\t\t'<td class=td-0><span class=\"red box\">&nbsp;<\/span>Used: ',bsize($mem_used ).sprintf(\" (%.1f%%)\",$mem_used *100\/$mem_size),\"<\/td>\\n\",\n\t\t'<td class=td-1><span class=\"red box\">&nbsp;<\/span>Misses: ',$misses.sprintf(\" (%.1f%%)\",$misses*100\/($hits+$misses)),\"<\/td>\\n\";\n\t\techo <<< EOB\n\t<\/tr>\n\t<\/tbody><\/table>\n<br\/>\n\t<div class=\"info\"><h2>Cache Information<\/h2>\n\t\t<table cellspacing=0><tbody>\n\t\t<tr class=tr-0><td class=td-0>Current Items(total)<\/td><td>$curr_items ($total_items)<\/td><\/tr>\n\t\t<tr class=tr-1><td class=td-0>Hits<\/td><td>{$hits}<\/td><\/tr>\n\t\t<tr class=tr-0><td class=td-0>Misses<\/td><td>{$misses}<\/td><\/tr>\n\t\t<tr class=tr-1><td class=td-0>Request Rate (hits, misses)<\/td><td>$req_rate cache requests\/second<\/td><\/tr>\n\t\t<tr class=tr-0><td class=td-0>Hit Rate<\/td><td>$hit_rate cache requests\/second<\/td><\/tr>\n\t\t<tr class=tr-1><td class=td-0>Miss Rate<\/td><td>$miss_rate cache requests\/second<\/td><\/tr>\n\t\t<tr class=tr-0><td class=td-0>Set Rate<\/td><td>$set_rate cache requests\/second<\/td><\/tr>\n\t\t<\/tbody><\/table>\n\t\t<\/div>\n\nEOB;\n\n    break;\n\n    case 2: \/\/ variables\n\n\t\t$m=0;\n\t\t$cacheItems= getCacheItems();\n\t\t$items = $cacheItems['items'];\n\t\t$totals = $cacheItems['counts'];\n\t\t$maxDump = MAX_ITEM_DUMP;\n\t\tforeach($items as $server => $entries) {\n\n    \techo <<< EOB\n\n\t\t\t<div class=\"info\"><table cellspacing=0><tbody>\n\t\t\t<tr><th colspan=\"2\">$server<\/th><\/tr>\n\t\t\t<tr><th>Slab Id<\/th><th>Info<\/th><\/tr>\nEOB;\n\n\t\t\tforeach($entries as $slabId => $slab) {\n\t\t\t    $dumpUrl = $PHP_SELF.'&op=2&server='.(array_search($server,$MEMCACHE_SERVERS)).'&dumpslab='.$slabId;\n\t\t\t\techo\n\t\t\t\t\t\"<tr class=tr-$m>\",\n\t\t\t\t\t\"<td class=td-0><center>\",'<a href=\"',$dumpUrl,'\">',$slabId,'<\/a>',\"<\/center><\/td>\",\n\t\t\t\t\t\"<td class=td-last><b>Item count:<\/b> \",$slab['number'],'<br\/><b>Age:<\/b>',duration($time-$slab['age']),'<br\/> <b>Evicted:<\/b>',((isset($slab['evicted']) && $slab['evicted']==1)? 'Yes':'No');\n\t\t\t\t\tif ((isset($_GET['dumpslab']) && $_GET['dumpslab']==$slabId) &&  (isset($_GET['server']) && $_GET['server']==array_search($server,$MEMCACHE_SERVERS))){\n\t\t\t\t\t    echo \"<br\/><b>Items: item<\/b><br\/>\";\n\t\t\t\t\t    $items = dumpCacheSlab($server,$slabId,$slab['number']);\n                        \/\/ maybe someone likes to do a pagination here :)\n\t\t\t\t\t    $i=1;\n                        foreach($items['ITEM'] as $itemKey=>$itemInfo){\n                            $itemInfo = trim($itemInfo,'[ ]');\n\n\n                            echo '<a href=\"',$PHP_SELF,'&op=4&server=',(array_search($server,$MEMCACHE_SERVERS)),'&key=',base64_encode($itemKey).'\">',$itemKey,'<\/a>';\n                            if ($i++ % 10 == 0) {\n                                echo '<br\/>';\n                            }\n                            elseif ($i!=$slab['number']+1){\n                                echo ',';\n                            }\n                        }\n\t\t\t\t\t}\n\n\t\t\t\t\techo \"<\/td><\/tr>\";\n\t\t\t\t$m=1-$m;\n\t\t\t}\n\t\techo <<<EOB\n\t\t\t<\/tbody><\/table>\n\t\t\t<\/div><hr\/>\nEOB;\n}\n\t\tbreak;\n\n    break;\n\n    case 4: \/\/item dump\n        if (!isset($_GET['key']) || !isset($_GET['server'])){\n            echo \"No key set!\";\n            break;\n        }\n        \/\/ I'm not doing anything to check the validity of the key string.\n        \/\/ probably an exploit can be written to delete all the files in key=base64_encode(\"\\n\\r delete all\").\n        \/\/ somebody has to do a fix to this.\n        $theKey = htmlentities(base64_decode($_GET['key']));\n\n        $theserver = $MEMCACHE_SERVERS[(int)$_GET['server']];\n        list($h,$p) = explode(':',$theserver);\n        $r = sendMemcacheCommand($h,$p,'get '.$theKey);\n        echo <<<EOB\n        <div class=\"info\"><table cellspacing=0><tbody>\n\t\t\t<tr><th>Server<th>Key<\/th><th>Value<\/th><th>Delete<\/th><\/tr>\nEOB;\n        echo \"<tr><td class=td-0>\",$theserver,\"<\/td><td class=td-0>\",$theKey,\n             \" <br\/>flag:\",$r['VALUE'][$theKey]['stat']['flag'],\n             \" <br\/>Size:\",bsize($r['VALUE'][$theKey]['stat']['size']),\n             \"<\/td><td>\",chunk_split($r['VALUE'][$theKey]['value'],40),\"<\/td>\",\n             '<td><a href=\"',$PHP_SELF,'&op=5&server=',(int)$_GET['server'],'&key=',base64_encode($theKey),\"\\\">Delete<\/a><\/td>\",\"<\/tr>\";\n        echo <<<EOB\n\t\t\t<\/tbody><\/table>\n\t\t\t<\/div><hr\/>\nEOB;\n    break;\n    case 5: \/\/ item delete\n    \tif (!isset($_GET['key']) || !isset($_GET['server'])){\n\t\t\techo \"No key set!\";\n\t\t\tbreak;\n        }\n        $theKey = htmlentities(base64_decode($_GET['key']));\n\t\t$theserver = $MEMCACHE_SERVERS[(int)$_GET['server']];\n\t\tlist($h,$p) = explode(':',$theserver);\n        $r = sendMemcacheCommand($h,$p,'delete '.$theKey);\n        echo 'Deleting '.$theKey.':'.$r;\n\tbreak;\n\n   case 6: \/\/ flush server\n        $theserver = $MEMCACHE_SERVERS[(int)$_GET['server']];\n        $r = flushServer($theserver);\n        echo 'Flush  '.$theserver.\":\".$r;\n   break;\n}\necho getFooter();\n\n?><\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u4e00\u3001\u4ecb\u7ecd Memcached \u662f\u56fd\u5916\u793e\u533a\u7f51\u7ad9\u56e2\u961f\u5f00\u53d1\u7684 \u9ad8\u6027\u80fd\u7684\u5206\u5e03\u5f0f\u5185\u5b58\u7f13\u5b58\u670d\u52a1\u5668\u3002\u4e00\u822c\u7684\u4f7f\u7528\u76ee\u7684\u662f\u901a\u8fc7\u7f13\u5b58 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"aside","meta":{"footnotes":""},"categories":[20,36,35],"tags":[26,42],"class_list":["post-546","post","type-post","status-publish","format-aside","hentry","category-linux","category-36","category-35","tag-php","tag-web","post_format-post-format-aside"],"_links":{"self":[{"href":"https:\/\/bigvip.dpdns.org\/index.php?rest_route=\/wp\/v2\/posts\/546","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bigvip.dpdns.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bigvip.dpdns.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bigvip.dpdns.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bigvip.dpdns.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=546"}],"version-history":[{"count":3,"href":"https:\/\/bigvip.dpdns.org\/index.php?rest_route=\/wp\/v2\/posts\/546\/revisions"}],"predecessor-version":[{"id":552,"href":"https:\/\/bigvip.dpdns.org\/index.php?rest_route=\/wp\/v2\/posts\/546\/revisions\/552"}],"wp:attachment":[{"href":"https:\/\/bigvip.dpdns.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=546"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bigvip.dpdns.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=546"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bigvip.dpdns.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=546"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}