mirror of
https://github.com/torrentpier/torrentpier-lts.git
synced 2025-03-01 15:21:02 +03:00
534 lines
16 KiB
PHP
534 lines
16 KiB
PHP
<?php
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/**
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* Zend Framework (http://framework.zend.com/)
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*
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* @link http://github.com/zendframework/zf2 for the canonical source repository
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* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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namespace Zend\Cache\Storage\Adapter;
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use stdClass;
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use Traversable;
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use Zend\Cache\Exception;
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use Zend\Cache\Storage\AvailableSpaceCapableInterface;
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use Zend\Cache\Storage\Capabilities;
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use Zend\Cache\Storage\FlushableInterface;
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use Zend\Cache\Storage\TotalSpaceCapableInterface;
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class WinCache extends AbstractAdapter implements
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AvailableSpaceCapableInterface,
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FlushableInterface,
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TotalSpaceCapableInterface
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{
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/**
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* Constructor
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*
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* @param array|Traversable|WinCacheOptions $options
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* @throws Exception\ExceptionInterface
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*/
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public function __construct($options = null)
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{
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if (!extension_loaded('wincache')) {
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throw new Exception\ExtensionNotLoadedException("WinCache extension is not loaded");
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}
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$enabled = ini_get('wincache.ucenabled');
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if (PHP_SAPI == 'cli') {
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$enabled = $enabled && (bool) ini_get('wincache.enablecli');
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}
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if (!$enabled) {
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throw new Exception\ExtensionNotLoadedException(
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"WinCache is disabled - see 'wincache.ucenabled' and 'wincache.enablecli'"
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);
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}
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parent::__construct($options);
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}
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/* options */
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/**
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* Set options.
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*
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* @param array|Traversable|WinCacheOptions $options
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* @return WinCache
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* @see getOptions()
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*/
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public function setOptions($options)
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{
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if (!$options instanceof WinCacheOptions) {
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$options = new WinCacheOptions($options);
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}
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return parent::setOptions($options);
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}
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/**
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* Get options.
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*
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* @return WinCacheOptions
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* @see setOptions()
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*/
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public function getOptions()
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{
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if (!$this->options) {
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$this->setOptions(new WinCacheOptions());
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}
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return $this->options;
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}
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/* TotalSpaceCapableInterface */
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/**
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* Get total space in bytes
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*
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* @return int|float
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*/
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public function getTotalSpace()
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{
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$mem = wincache_ucache_meminfo();
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return $mem['memory_total'];
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}
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/* AvailableSpaceCapableInterface */
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/**
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* Get available space in bytes
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*
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* @return int|float
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*/
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public function getAvailableSpace()
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{
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$mem = wincache_ucache_meminfo();
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return $mem['memory_free'];
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}
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/* FlushableInterface */
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/**
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* Flush the whole storage
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*
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* @return bool
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*/
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public function flush()
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{
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return wincache_ucache_clear();
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}
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/* reading */
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/**
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* Internal method to get an item.
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*
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* @param string $normalizedKey
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* @param bool $success
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* @param mixed $casToken
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* @return mixed Data on success, null on failure
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* @throws Exception\ExceptionInterface
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*/
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protected function internalGetItem(& $normalizedKey, & $success = null, & $casToken = null)
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{
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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$prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator();
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$internalKey = $prefix . $normalizedKey;
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$result = wincache_ucache_get($internalKey, $success);
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if ($success) {
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$casToken = $result;
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} else {
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$result = null;
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}
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return $result;
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}
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/**
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* Internal method to get multiple items.
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*
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* @param array $normalizedKeys
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* @return array Associative array of keys and values
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* @throws Exception\ExceptionInterface
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*/
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protected function internalGetItems(array & $normalizedKeys)
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{
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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if ($namespace === '') {
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return wincache_ucache_get($normalizedKeys);
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}
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$prefix = $namespace . $options->getNamespaceSeparator();
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$internalKeys = array();
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foreach ($normalizedKeys as $normalizedKey) {
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$internalKeys[] = $prefix . $normalizedKey;
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}
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$fetch = wincache_ucache_get($internalKeys);
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// remove namespace prefix
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$prefixL = strlen($prefix);
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$result = array();
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foreach ($fetch as $internalKey => & $value) {
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$result[substr($internalKey, $prefixL)] = & $value;
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}
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return $result;
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}
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/**
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* Internal method to test if an item exists.
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*
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* @param string $normalizedKey
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* @return bool
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* @throws Exception\ExceptionInterface
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*/
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protected function internalHasItem(& $normalizedKey)
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{
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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$prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator();
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return wincache_ucache_exists($prefix . $normalizedKey);
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}
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/**
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* Get metadata of an item.
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*
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* @param string $normalizedKey
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* @return array|bool Metadata on success, false on failure
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* @throws Exception\ExceptionInterface
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*/
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protected function internalGetMetadata(& $normalizedKey)
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{
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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$prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator();
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$internalKey = $prefix . $normalizedKey;
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$info = wincache_ucache_info(true, $internalKey);
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if (isset($info['ucache_entries'][1])) {
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$metadata = $info['ucache_entries'][1];
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$this->normalizeMetadata($metadata);
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return $metadata;
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}
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return false;
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}
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/* writing */
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/**
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* Internal method to store an item.
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*
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* @param string $normalizedKey
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* @param mixed $value
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* @return bool
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* @throws Exception\ExceptionInterface
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*/
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protected function internalSetItem(& $normalizedKey, & $value)
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{
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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$prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator();
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$internalKey = $prefix . $normalizedKey;
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$ttl = $options->getTtl();
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if (!wincache_ucache_set($internalKey, $value, $ttl)) {
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$type = is_object($value) ? get_class($value) : gettype($value);
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throw new Exception\RuntimeException(
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"wincache_ucache_set('{$internalKey}', <{$type}>, {$ttl}) failed"
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);
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}
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return true;
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}
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/**
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* Internal method to store multiple items.
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*
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* @param array $normalizedKeyValuePairs
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* @return array Array of not stored keys
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* @throws Exception\ExceptionInterface
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*/
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protected function internalSetItems(array & $normalizedKeyValuePairs)
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{
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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if ($namespace === '') {
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return wincache_ucache_set($normalizedKeyValuePairs, null, $options->getTtl());
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}
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$prefix = $namespace . $options->getNamespaceSeparator();
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$internalKeyValuePairs = array();
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foreach ($normalizedKeyValuePairs as $normalizedKey => & $value) {
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$internalKey = $prefix . $normalizedKey;
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$internalKeyValuePairs[$internalKey] = & $value;
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}
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$result = wincache_ucache_set($internalKeyValuePairs, null, $options->getTtl());
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// remove key prefic
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$prefixL = strlen($prefix);
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foreach ($result as & $key) {
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$key = substr($key, $prefixL);
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}
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return $result;
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}
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/**
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* Add an item.
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*
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* @param string $normalizedKey
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* @param mixed $value
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* @return bool
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* @throws Exception\ExceptionInterface
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*/
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protected function internalAddItem(& $normalizedKey, & $value)
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{
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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$prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator();
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$internalKey = $prefix . $normalizedKey;
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$ttl = $options->getTtl();
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if (!wincache_ucache_add($internalKey, $value, $ttl)) {
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$type = is_object($value) ? get_class($value) : gettype($value);
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throw new Exception\RuntimeException(
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"wincache_ucache_add('{$internalKey}', <{$type}>, {$ttl}) failed"
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);
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}
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return true;
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}
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/**
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* Internal method to add multiple items.
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*
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* @param array $normalizedKeyValuePairs
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* @return array Array of not stored keys
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* @throws Exception\ExceptionInterface
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*/
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protected function internalAddItems(array & $normalizedKeyValuePairs)
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{
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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if ($namespace === '') {
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return wincache_ucache_add($normalizedKeyValuePairs, null, $options->getTtl());
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}
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$prefix = $namespace . $options->getNamespaceSeparator();
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$internalKeyValuePairs = array();
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foreach ($normalizedKeyValuePairs as $normalizedKey => $value) {
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$internalKey = $prefix . $normalizedKey;
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$internalKeyValuePairs[$internalKey] = $value;
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}
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$result = wincache_ucache_add($internalKeyValuePairs, null, $options->getTtl());
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// remove key prefic
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$prefixL = strlen($prefix);
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foreach ($result as & $key) {
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$key = substr($key, $prefixL);
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}
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return $result;
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}
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/**
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* Internal method to replace an existing item.
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*
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* @param string $normalizedKey
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* @param mixed $value
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* @return bool
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* @throws Exception\ExceptionInterface
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*/
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protected function internalReplaceItem(& $normalizedKey, & $value)
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{
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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$prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator();
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$internalKey = $prefix . $normalizedKey;
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if (!wincache_ucache_exists($internalKey)) {
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return false;
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}
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$ttl = $options->getTtl();
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if (!wincache_ucache_set($internalKey, $value, $ttl)) {
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$type = is_object($value) ? get_class($value) : gettype($value);
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throw new Exception\RuntimeException(
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"wincache_ucache_set('{$internalKey}', <{$type}>, {$ttl}) failed"
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);
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}
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return true;
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}
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/**
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* Internal method to remove an item.
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*
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* @param string $normalizedKey
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* @return bool
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* @throws Exception\ExceptionInterface
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*/
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protected function internalRemoveItem(& $normalizedKey)
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{
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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$prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator();
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$internalKey = $prefix . $normalizedKey;
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return wincache_ucache_delete($internalKey);
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}
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/**
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* Internal method to remove multiple items.
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*
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* @param array $normalizedKeys
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* @return array Array of not removed keys
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* @throws Exception\ExceptionInterface
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*/
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protected function internalRemoveItems(array & $normalizedKeys)
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{
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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if ($namespace === '') {
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$result = wincache_ucache_delete($normalizedKeys);
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return ($result === false) ? $normalizedKeys : $result;
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}
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$prefix = $namespace . $options->getNamespaceSeparator();
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$internalKeys = array();
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foreach ($normalizedKeys as $normalizedKey) {
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$internalKeys[] = $prefix . $normalizedKey;
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}
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$result = wincache_ucache_delete($internalKeys);
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if ($result === false) {
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return $normalizedKeys;
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} elseif ($result) {
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// remove key prefix
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$prefixL = strlen($prefix);
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foreach ($result as & $key) {
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$key = substr($key, $prefixL);
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}
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}
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return $result;
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}
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/**
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* Internal method to increment an item.
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*
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* @param string $normalizedKey
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* @param int $value
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* @return int|bool The new value on success, false on failure
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* @throws Exception\ExceptionInterface
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*/
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protected function internalIncrementItem(& $normalizedKey, & $value)
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{
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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$prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator();
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$internalKey = $prefix . $normalizedKey;
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return wincache_ucache_inc($internalKey, (int) $value);
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}
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/**
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* Internal method to decrement an item.
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*
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* @param string $normalizedKey
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* @param int $value
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* @return int|bool The new value on success, false on failure
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* @throws Exception\ExceptionInterface
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*/
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protected function internalDecrementItem(& $normalizedKey, & $value)
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{
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$options = $this->getOptions();
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$namespace = $options->getNamespace();
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$prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator();
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$internalKey = $prefix . $normalizedKey;
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return wincache_ucache_dec($internalKey, (int) $value);
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}
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/* status */
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/**
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* Internal method to get capabilities of this adapter
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*
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* @return Capabilities
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*/
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protected function internalGetCapabilities()
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{
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if ($this->capabilities === null) {
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$marker = new stdClass();
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$capabilities = new Capabilities(
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$this,
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$marker,
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array(
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'supportedDatatypes' => array(
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'NULL' => true,
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'boolean' => true,
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'integer' => true,
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'double' => true,
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'string' => true,
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'array' => true,
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'object' => 'object',
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'resource' => false,
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),
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'supportedMetadata' => array(
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'internal_key', 'ttl', 'hits', 'size'
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),
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'minTtl' => 1,
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'maxTtl' => 0,
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'staticTtl' => true,
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'ttlPrecision' => 1,
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'useRequestTime' => false,
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'expiredRead' => false,
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'namespaceIsPrefix' => true,
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'namespaceSeparator' => $this->getOptions()->getNamespaceSeparator(),
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)
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);
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// update namespace separator on change option
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$this->getEventManager()->attach('option', function ($event) use ($capabilities, $marker) {
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$params = $event->getParams();
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if (isset($params['namespace_separator'])) {
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$capabilities->setNamespaceSeparator($marker, $params['namespace_separator']);
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}
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});
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$this->capabilities = $capabilities;
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$this->capabilityMarker = $marker;
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}
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return $this->capabilities;
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}
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/* internal */
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/**
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* Normalize metadata to work with WinCache
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*
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* @param array $metadata
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* @return void
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*/
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protected function normalizeMetadata(array & $metadata)
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{
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$metadata['internal_key'] = $metadata['key_name'];
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$metadata['hits'] = $metadata['hitcount'];
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$metadata['ttl'] = $metadata['ttl_seconds'];
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$metadata['size'] = $metadata['value_size'];
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unset(
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$metadata['key_name'],
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$metadata['hitcount'],
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$metadata['ttl_seconds'],
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$metadata['value_size']
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);
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}
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}
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