/**
* clear static cache with prefix, don't use except in clear-cache-watcher
*
* @internal
*/
public static function clear($cacheIdPrefix)
{
if (extension_loaded('apc')) {
if (PHP_SAPI == 'cli') {
Kwf_Util_Apc::callClearCacheByCli(array('clearCacheSimpleStatic' => $cacheIdPrefix));
} else {
if (!class_exists('APCIterator')) {
throw new Kwf_Exception_NotYetImplemented("We don't want to clear the whole");
} else {
static $prefix;
if (!isset($prefix)) {
$prefix = Kwf_Cache_Simple::getUniquePrefix() . '-';
}
$it = new APCIterator('user', '#^' . preg_quote($prefix . $cacheIdPrefix) . '#', APC_ITER_NONE);
if ($it->getTotalCount() && !$it->current()) {
//APCIterator is borked, delete everything
//see https://bugs.php.net/bug.php?id=59938
if (extension_loaded('apcu')) {
apc_clear_cache();
} else {
apc_clear_cache('user');
}
} else {
//APCIterator seems to work, use it for deletion
apc_delete($it);
}
}
}
} else {
//don't use $cacheIdPrefix as filenames are base64 encoded
foreach (glob('cache/simple/*') as $f) {
unlink($f);
}
}
}
public function index($arguments)
{
$news = new news(ConnectionFactory::get('mongo'));
$articles = new articles(ConnectionFactory::get('mongo'));
$notices = new notices(ConnectionFactory::get('redis'));
$irc = new irc(ConnectionFactory::get('redis'));
$quotes = new quotes(ConnectionFactory::get('mongo'));
$forums = new forums(ConnectionFactory::get('redis'));
// Set all site-wide notices.
foreach ($notices->getAll() as $notice) {
Error::set($notice, true);
}
// Fetch the easy data.
$this->view['news'] = $news->getNewPosts();
$this->view['shortNews'] = $news->getNewPosts(true);
$this->view['newArticles'] = $articles->getNewPosts('new', 1, 5);
$this->view['ircOnline'] = $irc->getOnline();
$this->view['randomQuote'] = $quotes->getRandom();
$this->view['fPosts'] = $forums->getNew();
// Get online users.
$apc = new APCIterator('user', '/' . Cache::PREFIX . 'user_.*/');
$this->view['onlineUsers'] = array();
while ($apc->valid()) {
$current = $apc->current();
array_push($this->view['onlineUsers'], substr($current['key'], strlen(Cache::PREFIX) + 5));
$apc->next();
}
// Set title.
Layout::set('title', 'Home');
}
public static function ApcPurge($func, $id)
{
$apc = new APCIterator('user', '/' . Cache::PREFIX . 'data_' . get_called_class() . '_' . $func . '-' . $id . '.*/');
while ($apc->valid()) {
$current = $apc->current();
apc_delete($current['key']);
$apc->next();
}
}
public function testWithTTL()
{
$backend = $this->getBackend();
$dep = new \Cachet\Dependency\TTL(300);
$backend->set(new \Cachet\Item('cache', 'foo', 'bar', $dep));
$iter = new \APCIterator('user', "~^{$this->backendPrefix}cache/foo\$~");
$ttl = $iter->current()['ttl'];
// surely not longer than 2 seconds!
$this->assertTrue($ttl >= 298 && $ttl <= 300);
}
/**
* @param string $className
* @depreciated
*/
public function clearClassCache($className = null)
{
$iterator = new \APCIterator('^user^');
while ($iterator->current()) {
$tKey = $iterator->key();
if (mb_strpos($tKey, $className . '::') !== false) {
apc_delete($tKey);
}
$iterator->next();
}
}
public function index()
{
if (!CheckAcl::can('viewStats')) {
return Error::set('You are not allowed to view stats!');
}
$info = new APCIterator('user');
$redis = new redisInfo(ConnectionFactory::get('redis'));
$redisInfo = $redis->info();
$this->view['apcNoKeys'] = $info->getTotalCount();
$this->view['apcSize'] = $info->getTotalSize();
$this->view['redisVersion'] = $redisInfo['redis_version'];
$this->view['redisSIP'] = $redisInfo['bgsave_in_progress'];
$this->view['redisNoChans'] = $redisInfo['pubsub_channels'];
$this->view['redisMem'] = $redisInfo['used_memory'];
$this->view['redisLastSave'] = $redisInfo['last_save_time'];
$this->view['valid'] = true;
}
public function __construct($namespace)
{
$normalNamespace = Key::normalKey($namespace);
//get normal key
$regexNamespace = str_replace('\\', '\\\\', $normalNamespace);
//for regex, since \ is special char
//find all where names starts with namespace
parent::__construct('user', "/^{$regexNamespace}/");
}
/**
* List of caches
*
* @return void
*/
public function indexAction()
{
$type = $this->params('type');
$cacheList = array('stat' => _a('File status cache'), 'apc' => _a('APC file cache'), 'file' => _a('System cache files'), 'persist' => _a('System persistent data'), 'module' => _a('Module cache'), 'comment' => _a('Comment cache'));
if (!function_exists('apc_clear_cache')) {
unset($cacheList['apc']);
} elseif (class_exists('\\APCIterator')) {
$apcIterator = new \APCIterator('file');
$size = $apcIterator->getTotalSize();
foreach (array('', 'K', 'M', 'G') as $i => $k) {
if ($size < 1024) {
break;
}
$size /= 1024;
}
$totalSize = sprintf("%5.1f %s", $size, $k);
$totalCount = $apcIterator->getTotalCount();
$cacheList['apc'] .= ' (' . $totalCount . '-' . $totalSize . ')';
}
$cacheStorageClass = get_class(Pi::service('cache')->storage());
$cacheStorageName = substr($cacheStorageClass, strrpos($cacheStorageClass, '\\') + 1);
$cacheList['application'] = sprintf(_a('Application cache [%s]'), $cacheStorageName);
$frontConfig = Pi::config()->load('application.front.php');
if (!empty($frontConfig['resource']['cache'])) {
if (!empty($frontConfig['resource']['cache']['storage'])) {
$cacheStorage = Pi::service('cache')->loadStorage($frontConfig['resource']['cache']['storage']);
} else {
$cacheStorage = Pi::service('cache')->storage();
}
$cacheStorageClass = get_class($cacheStorage);
$cacheStorageName = substr($cacheStorageClass, strrpos($cacheStorageClass, '\\') + 1);
$page['title'] = sprintf(_a('Page cache [%s]'), $cacheStorageName);
$modules = Pi::service('module')->meta();
$page['modules'] = array_keys($modules);
$this->view()->assign('page', $page);
}
$registryList = Pi::service('registry')->getList();
sort($registryList);
$this->view()->assign('type', $type);
$this->view()->assign('list', $cacheList);
$this->view()->assign('registry', $registryList);
$this->view()->assign('title', _a('Cache list'));
//$this->view()->setTemplate('cache-list');
}
public function __construct($search = null, $format = APC_ITER_ALL, $chunk_size = 100, $list = APC_LIST_ACTIVE)
{
parent::__construct('user', $search, $format, $chunk_size, $list);
}
public static function iterate()
{
header('Content-Type: text/plain; charset=utf-8');
$requiredSpazi = 1024 * 1024 * 128;
//128MB
//$requiredSpazi = 1024*1024*300;
$mem = apc_sma_info(true);
$memSize = $mem['num_seg'] * $mem['seg_size'];
$memAvailable = $mem['avail_mem'];
if ($memAvailable > $requiredSpazi) {
die;
}
$start = microtime(true);
Kwf_Util_MemoryLimit::set(256);
ini_set('display_errors', 'on');
set_time_limit(90);
echo "size: " . round($memSize / (1024 * 1024)) . " MB\n";
echo "avail: " . round($memAvailable / (1024 * 1024)) . " MB\n";
echo "\nduration: " . round(microtime(true) - $start, 3) . " s\n";
$accessTime = array();
$it = new APCIterator('user', '#^[^-]+\\-[^-]+\\-(\\-cc|procI|url)-#', APC_ITER_KEY | APC_ITER_MEM_SIZE | APC_ITER_ATIME);
echo "total count: " . $it->getTotalCount() . "\n";
echo "total hits: " . $it->getTotalHits() . "\n";
echo "total size: " . round($it->getTotalSize() / (1024 * 1024)) . " MB\n";
echo "\nduration: " . round(microtime(true) - $start, 3) . " s\n";
$webs = array();
foreach ($it as $i) {
preg_match('#^([^-]+)\\-([^-]+)\\-+([a-zA-Z0-9]+)#', $i['key'], $m);
$key = $m[1] . '-' . $m[2];
if (!isset($webs[$key])) {
$webs[$key] = 0;
}
$webs[$key] += $i['mem_size'];
$accessTime[] = time() - $i['access_time'];
}
echo "min lastAccess: " . min($accessTime) . "\n";
echo "max lastAccess: " . max($accessTime) . "\n";
echo "avg lastAccess: " . round(array_sum($accessTime) / count($accessTime)) . "\n";
echo "\nduration: " . round(microtime(true) - $start, 3) . " s\n";
unset($accessTime);
echo "\n";
arsort($webs);
foreach ($webs as $web => $items) {
echo "{$web}: " . round($items / $it->getTotalSize() * 100) . "%\n";
}
reset($webs);
$web = key($webs);
unset($it);
unset($webs);
echo "\nduration: " . round(microtime(true) - $start, 3) . " s\n";
$it = new APCIterator('user', '#^' . preg_quote($web) . '\\-(\\-cc|procI|url)-#', APC_ITER_KEY | APC_ITER_MEM_SIZE | APC_ITER_ATIME);
echo "\n{$web}\n";
echo "total count: " . $it->getTotalCount() . "\n";
echo "total hits: " . $it->getTotalHits() . "\n";
echo "total size: " . round($it->getTotalSize() / (1024 * 1024)) . " MB\n";
echo "\nduration: " . round(microtime(true) - $start, 3) . " s\n";
$accessTime = array();
$size = array();
foreach ($it as $i) {
$t = time() - $i['access_time'];
$accessTime[$i['key']] = $t;
$size[$i['key']] = $i['mem_size'];
}
unset($it);
echo "min lastAccess: " . min($accessTime) . "\n";
echo "max lastAccess: " . max($accessTime) . "\n";
echo "avg lastAccess: " . round(array_sum($accessTime) / count($accessTime)) . "\n";
echo "\nduration: " . round(microtime(true) - $start, 3) . " s\n";
flush();
arsort($accessTime);
$deletedBytes = 0;
$deletedCount = 0;
foreach ($accessTime as $key => $t) {
$deletedBytes += $size[$key];
$memAvailable += $size[$key];
//echo "delete $key (".round($deletedBytes/(1024*1024))."MB)\n";
//flush();
apc_delete($key);
$deletedCount++;
if ($memAvailable > $requiredSpazi + 1024 * 1024 * 2) {
break;
}
}
echo "deleted {$deletedCount} entries\n";
echo "deleted " . round($deletedBytes / 1024) . " KB\n";
echo "\nduration: " . round(microtime(true) - $start, 3) . " s\n";
exit;
}
<?php
error_reporting(E_ALL & ~E_USER_NOTICE & ~E_NOTICE);
echo "== No Search ==\n";
$it = new APCIterator('user');
apc_store('sample', 'x');
apc_store('another_sample', 'x');
foreach ($it as $key => $val) {
// skip to end
}
var_dump($it->valid(), $it->key(), $it->current(), $it->next());
echo "== Search ==\n";
$it = new APCIterator('user', '/^b/');
// No elements, end?
var_dump($it->valid(), $it->key(), $it->current(), $it->next());
public function current()
{
$data = parent::current();
return extension_loaded('apcu') && version_compare(phpversion('apcu'), '4.0.3') < 0 ? array('type' => 'user', 'key' => $data['key'], 'value' => $data['value'], 'num_hits' => $data['nhits'], 'mtime' => $data['mtime'], 'creation_time' => $data['ctime'], 'deletion_time' => $data['dtime'], 'access_time' => $data['atime'], 'ref_count' => $data['ref_count'], 'mem_size' => $data['mem_size'], 'ttl' => $data['ttl']) : $data;
}
protected function del_old_cached()
{
$t = time();
$apc_user_info = apc_cache_info('user', true);
if (!empty($apc_user_info['ttl'])) {
$apc_ttl = $apc_user_info['ttl'] / 2;
$check_period = $apc_ttl;
}
if (empty($check_period) || $check_period > 1800) {
$check_period = 1800;
}
$ittl = new \APCIterator('user', '/^' . preg_quote($this->defragmentation_prefix) . '$/', APC_ITER_ATIME, 1);
$cttl = $ittl->current();
$previous_cleaning = $cttl[self::apc_arr_atime];
if (empty($previous_cleaning) || $t - $previous_cleaning > $check_period) {
apc_store($this->defragmentation_prefix, $t, $check_period);
$this->del_old();
}
return true;
}
/**
* Rewind the Iterator to the first element.
*
* @return void
*/
public function rewind()
{
return $this->baseIterator->rewind();
}
public function getStats()
{
$cinfo = apc_cache_info('user', true);
$apcIt = new APCIterator('user');
$size = $apcIt->getTotalSize();
// support apc and old versions of apcu
$hits = $misses = 0;
if (!empty($cinfo['num_hits'])) {
$hits = $cinfo['num_hits'];
} else {
if (!empty($cinfo['nhits'])) {
$hits = $cinfo['nhits'];
}
}
if (!empty($cinfo['num_misses'])) {
$misses = $cinfo['num_misses'];
} else {
if (!empty($cinfo['nmisses'])) {
$misses = $cinfo['nmisses'];
}
}
$stats = array();
$stats['size'] = $size;
$stats['hits'] = $hits;
$stats['misses'] = $misses;
$stats['more'] = 'r/w/d=' . self::$requestStats['get'] . '/' . self::$requestStats['set'] . '/' . self::$requestStats['del'];
return $stats;
}
/**
* Get metadata of an item.
*
* @param string $normalizedKey
* @return array|boolean Metadata on success, false on failure
* @throws Exception\ExceptionInterface
*/
protected function internalGetMetadata(&$normalizedKey)
{
$options = $this->getOptions();
$prefix = $options->getNamespace() . $options->getNamespaceSeparator();
$internalKey = $prefix . $normalizedKey;
// @see http://pecl.php.net/bugs/bug.php?id=22564
if (!apc_exists($internalKey)) {
$metadata = false;
} else {
$format = \APC_ITER_ALL ^ \APC_ITER_VALUE ^ \APC_ITER_TYPE ^ \APC_ITER_REFCOUNT;
$regexp = '/^' . preg_quote($internalKey, '/') . '$/';
$it = new BaseApcIterator('user', $regexp, $format, 100, \APC_LIST_ACTIVE);
$metadata = $it->current();
}
if (!$metadata) {
return false;
}
$this->normalizeMetadata($metadata);
return $metadata;
}
echo "<pre>";
echo "<pre>";
//Example #1 apc_inc() example
echo "Let's do something with success", PHP_EOL;
apc_store('anumber', 42);
echo apc_fetch('anumber'), PHP_EOL;
echo apc_inc('anumber'), PHP_EOL;
echo apc_inc('anumber', 10), PHP_EOL;
echo apc_inc('anumber', 10, $success), PHP_EOL;
var_dump($success);
echo "Now, let's fail", PHP_EOL, PHP_EOL;
apc_store('astring', 'foo');
$ret = apc_inc('astring', 1, $fail);
var_dump($ret);
var_dump($fail);
?>
<?php
echo "I am here <br/><br/>";
$oApcIt = new APCIterator('user', '/^[a-z]/');
echo "This total APC in mem: [" . $oApcIt->getTotalCount() . "]<br/><br/>";
echo "This total APC hits: [" . $oApcIt->getTotalHits() . "]<br/><br/>";
echo "This total size APC: [" . $oApcIt->getTotalSize() . "]<br/><br/>";
echo "WHILE ";
print_r($oApcIt);
echo "<br/>";
foreach ($oApcIt as $counter) {
// print_r($counter) . PHP_EOL;
echo "{$counter['key']}: {$counter['value']}<br/>";
//apc_dec($counter['key'], $counter['value']) . "<br/>";
}
