source: svn/trunk/htdocs/cacher/index.php

<?php

include "./common.php";

function freeblock_to_graph($freeblocks, $size) // {{{
{
    global $config;

    // cached in static variable
    static $graph_initial;
    if (!isset($graph_initial)) {
        $graph_initial = array_fill(0, $config['percent_graph_width'], 0);
    }
    $graph = $graph_initial;
    foreach ($freeblocks as $b) {
        $begin = $b['offset'] / $size * $config['percent_graph_width'];
        $end = ($b['offset'] + $b['size']) / $size * $config['percent_graph_width'];

        if ((int) $begin == (int) $end) {
            $v = $end - $begin;
            $graph[(int) $v] += $v - (int) $v;
        }
        else {
            $graph[(int) $begin] += 1 - ($begin - (int) $begin);
            $graph[(int) $end] += $end - (int) $end;
            for ($i = (int) $begin + 1, $e = (int) $end; $i < $e; $i ++) {
                $graph[$i] += 1;
            }
        }
    }
    $html = array();
    $c = 255;
    foreach ($graph as $k => $v) {
        if ($config['percent_graph_type'] != 'free') {
            $v = 1 - $v;
        }
        $v = (int) ($v * $c);
        $r = $g = $c - $v;
        $b = $c;
        $html[] = '<div style="background: rgb(' . "$r,$g,$b" . ')"></div>';
    }
    return implode('', $html);
}
// }}}
function calc_total(&$total, $data) // {{{
{
    foreach ($data as $k => $v) {
        switch ($k) {
        case 'type':
        case 'cache_name':
        case 'cacheid':
        case 'free_blocks':
            continue 2;
        }
        if (!isset($total[$k])) {
            $total[$k] = $v;
        }
        else {
            switch ($k) {
            case 'hits_by_hour':
            case 'hits_by_second':
                foreach ($data[$k] as $kk => $vv) {
                    $total[$k][$kk] += $vv;
                }
                break;

            default:
                $total[$k] += $v;
            }
        }
    }
}
// }}}
function array_avg($a) // {{{
{
    if (count($a) == 0) {
        return '';
    }
    return array_sum($a) / count($a);
}
// }}}
function bar_hits_percent($v, $percent, $active) // {{{
{
    $r = 220 + (int) ($percent * 25);
    $g = $b = 220 - (int) ($percent * 220);
    $percent = (int) ($percent * 100);
    $a = $active ? ' class="active"' : '';
    $height = 20 - 1 * 2;
    $valueHeight = ceil($height * $percent / 100);
    $paddingHeight = $height - $valueHeight;
    $valueHeight = $valueHeight ? $valueHeight . "px" : 0;
    $paddingHeight = $paddingHeight ? $paddingHeight . "px" : 0;
    return '<a title="' . $v . '" href="javascript:;"' . $a . '>'
        . ($paddingHeight ? '<span style="height: ' . $paddingHeight . '"></span>' : '')
        . ($valueHeight ? '<span style="background: rgb(' . "$r,$g,$b" . '); height: ' . $valueHeight . '"></span>' : '')
        . '</a>';
}
// }}}
function get_cache_hits_graph($ci, $key) // {{{
{
    global $maxHitsByHour;
    if ($ci['cacheid'] == -1) {
        $max = max($ci[$key]);
    }
    else {
        $max = $maxHitsByHour[$ci['type']];
    }
    if (!$max) {
        $max = 1;
    }
    $t = (time() / (60 * 60)) % 24;

    $html = array();
    $width = count($ci[$key]) * 2;
    $html[] = '<div class="hitsgraph" style="width: ' . $width . 'px">';
    foreach ($ci[$key] as $i => $v) {
        $html[] = bar_hits_percent($v, $v / $max, $i == $t);
    }
    $html[] = "</div>";
    return implode('', $html);
}
// }}}
function getModuleInfo() // {{{
{
    ob_start();
    phpinfo(INFO_MODULES);
    $moduleInfo = ob_get_clean();
    if (!preg_match_all('!(XCache[^<>]*)</a></h2>(.*?)<h2>!is', $moduleInfo, $m)) {
        return;
    }

    $moduleInfo = array();
    foreach ($m[1] as $i => $dummy) {
        $caption = trim($m[1][$i]);
        $info = str_replace('<br />', '', trim($m[2][$i]));

        $regex = '!<table[^>]*>!';
        if (preg_match($regex, $info)) {
            $moduleInfo[] = preg_replace($regex, "\\0<caption>$caption</caption>", $info, 1);
        }
        else {
            $moduleInfo[] = "<h3>$caption</h3>";
            $moduleInfo[] = $info;
        }
    }
    $moduleInfo = implode('', $moduleInfo);
    if (ini_get("xcache.test")) {
        ob_start();
        include "./sub/testcoredump.tpl.php";
        $test_coredump = trim(ob_get_clean());
        $moduleInfo = str_replace('xcache.coredump_directory', 'xcache.coredump_directory' . $test_coredump, $moduleInfo);
    }
    return $moduleInfo;
}
// }}}
function getCacheInfos() // {{{
{
    static $cacheInfos;
    if (isset($cacheInfos)) {
        return $cacheInfos;
    }

    $phpCacheCount = xcache_count(XC_TYPE_PHP);
    $varCacheCount = xcache_count(XC_TYPE_VAR);

    $cacheInfos = array();
    $total = array();
    global $maxHitsByHour;
    $maxHitsByHour = array(0, 0);
    for ($i = 0; $i < $phpCacheCount; $i ++) {
        $data = xcache_info(XC_TYPE_PHP, $i);
        if ($_GET['do'] === 'listphp') {
            $data += xcache_list(XC_TYPE_PHP, $i);
        }
        $data['type'] = XC_TYPE_PHP;
        $data['cache_name'] = "php#$i";
        $data['cacheid'] = $i;
        $cacheInfos[] = $data;
        $maxHitsByHour[XC_TYPE_PHP] = max($maxHitsByHour[XC_TYPE_PHP], max($data['hits_by_hour']));
        if ($phpCacheCount >= 2) {
            calc_total($total, $data);
        }
    }

    if ($phpCacheCount >= 2) {
        $total['type'] = XC_TYPE_PHP;
        $total['cache_name'] = _T('Total');
        $total['cacheid'] = -1;
        $total['gc'] = null;
        $total['istotal'] = true;
        unset($total['compiling']);
        $cacheInfos[] = $total;
    }

    $total = array();
    for ($i = 0; $i < $varCacheCount; $i ++) {
        $data = xcache_info(XC_TYPE_VAR, $i);
        if ($_GET['do'] === 'listvar') {
            $data += xcache_list(XC_TYPE_VAR, $i);
        }
        $data['type'] = XC_TYPE_VAR;
        $data['cache_name'] = "var#$i";
        $data['cacheid'] = $i;
        $cacheInfos[] = $data;
        $maxHitsByHour[XC_TYPE_VAR] = max($maxHitsByHour[XC_TYPE_VAR], max($data['hits_by_hour']));
        if ($varCacheCount >= 2) {
            calc_total($total, $data);
        }
    }

    if ($varCacheCount >= 2) {
        $total['type'] = XC_TYPE_VAR;
        $total['cache_name'] = _T('Total');
        $total['cacheid'] = -1;
        $total['gc'] = null;
        $total['istotal'] = true;
        $cacheInfos[] = $total;
    }
    return $cacheInfos;
}
// }}}
function getEntryList() // {{{
{
    static $entryList;
    if (isset($entryList)) {
        return $entryList;
    }
    $entryList = array('cache_list' => array(), 'deleted_list' => array());
    if ($_GET['do'] == 'listphp') {
        $entryList['type'] = XC_TYPE_PHP;
    }
    else {
        $entryList['type'] = XC_TYPE_VAR;
    }
    foreach (getCacheInfos() as $i => $c) {
        if (!empty($c['istotal'])) {
            continue;
        }
        if ($c['type'] == $entryList['type'] && isset($c['cache_list'])) {
            foreach ($c['cache_list'] as $e) {
                $e['cache_name'] = $c['cache_name'];
                $entryList['cache_list'][] = $e;
            }
            foreach ($c['deleted_list'] as $e) {
                $e['cache_name'] = $c['cache_name'];
                $entryList['deleted_list'][] = $e;
            }
        }
    }
    return $entryList;
}
// }}}

if (!extension_loaded('XCache')) {
    header("Location: ../diagnosis");
    exit;
}

xcache_count(XC_TYPE_PHP); // trigger auth
xcache_admin_namespace();

$doTypes = array(
        '' => _T('Summary'),
        'listphp' => _T('List PHP'),
        'listvar' => _T('List Var Data'),
        );

function processPOST() // {{{
{
    if (isset($_POST['remove']) && is_array($_POST['remove'])) {
        foreach ($_POST['remove'] as $name) {
            if (is_string($name)) {
                xcache_unset($name);
            }
        }
    }

    $type = isset($_POST['type']) ? $_POST['type'] : null;
    if ($type != XC_TYPE_PHP && $type != XC_TYPE_VAR) {
        $type = null;
    }
    if (isset($type)) {
        $cacheid = (int) (isset($_POST['cacheid']) ? $_POST['cacheid'] : 0);
        if (isset($_POST['clearcache'])) {
            xcache_clear_cache($type, $cacheid);
        }
        if (isset($_POST['enable'])) {
            xcache_enable_cache($type, $cacheid);
        }
        if (isset($_POST['disable'])) {
            xcache_enable_cache($type, $cacheid, false);
        }
    }

    if (isset($_POST['coredump'])) {
        xcache_coredump();
    }
}
// }}}

processPOST();

if (!isset($_GET['do'])) {
    $_GET['do'] = '';
}

switch ($_GET['do']) {
case 'listphp':
case 'listvar':
    include "./listentries.tpl.php";
    break;

default:
    include "./summary.tpl.php";
    break;
}

?>