diff options
Diffstat (limited to 'vendor/zendframework/zend-cache/src/Storage/Adapter/Apc.php')
| -rw-r--r-- | vendor/zendframework/zend-cache/src/Storage/Adapter/Apc.php | 754 |
1 files changed, 0 insertions, 754 deletions
diff --git a/vendor/zendframework/zend-cache/src/Storage/Adapter/Apc.php b/vendor/zendframework/zend-cache/src/Storage/Adapter/Apc.php deleted file mode 100644 index ddfcc1d..0000000 --- a/vendor/zendframework/zend-cache/src/Storage/Adapter/Apc.php +++ /dev/null @@ -1,754 +0,0 @@ -<?php -/** - * Zend Framework (http://framework.zend.com/) - * - * @link http://github.com/zendframework/zf2 for the canonical source repository - * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) - * @license http://framework.zend.com/license/new-bsd New BSD License - */ - -namespace Zend\Cache\Storage\Adapter; - -use APCIterator as BaseApcIterator; -use stdClass; -use Traversable; -use Zend\Cache\Exception; -use Zend\Cache\Storage\AvailableSpaceCapableInterface; -use Zend\Cache\Storage\Capabilities; -use Zend\Cache\Storage\ClearByNamespaceInterface; -use Zend\Cache\Storage\ClearByPrefixInterface; -use Zend\Cache\Storage\FlushableInterface; -use Zend\Cache\Storage\IterableInterface; -use Zend\Cache\Storage\TotalSpaceCapableInterface; - -class Apc extends AbstractAdapter implements - AvailableSpaceCapableInterface, - ClearByNamespaceInterface, - ClearByPrefixInterface, - FlushableInterface, - IterableInterface, - TotalSpaceCapableInterface -{ - /** - * Buffered total space in bytes - * - * @var null|int|float - */ - protected $totalSpace; - - /** - * Constructor - * - * @param null|array|Traversable|ApcOptions $options - * @throws Exception\ExceptionInterface - */ - public function __construct($options = null) - { - if (version_compare('3.1.6', phpversion('apc')) > 0) { - throw new Exception\ExtensionNotLoadedException("Missing ext/apc >= 3.1.6"); - } - - $enabled = ini_get('apc.enabled'); - if (PHP_SAPI == 'cli') { - $enabled = $enabled && (bool) ini_get('apc.enable_cli'); - } - - if (!$enabled) { - throw new Exception\ExtensionNotLoadedException( - "ext/apc is disabled - see 'apc.enabled' and 'apc.enable_cli'" - ); - } - - parent::__construct($options); - } - - /* options */ - - /** - * Set options. - * - * @param array|Traversable|ApcOptions $options - * @return Apc - * @see getOptions() - */ - public function setOptions($options) - { - if (!$options instanceof ApcOptions) { - $options = new ApcOptions($options); - } - - return parent::setOptions($options); - } - - /** - * Get options. - * - * @return ApcOptions - * @see setOptions() - */ - public function getOptions() - { - if (!$this->options) { - $this->setOptions(new ApcOptions()); - } - return $this->options; - } - - /* TotalSpaceCapableInterface */ - - /** - * Get total space in bytes - * - * @return int|float - */ - public function getTotalSpace() - { - if ($this->totalSpace === null) { - $smaInfo = apc_sma_info(true); - $this->totalSpace = $smaInfo['num_seg'] * $smaInfo['seg_size']; - } - - return $this->totalSpace; - } - - /* AvailableSpaceCapableInterface */ - - /** - * Get available space in bytes - * - * @return int|float - */ - public function getAvailableSpace() - { - $smaInfo = apc_sma_info(true); - return $smaInfo['avail_mem']; - } - - /* IterableInterface */ - - /** - * Get the storage iterator - * - * @return ApcIterator - */ - public function getIterator() - { - $options = $this->getOptions(); - $namespace = $options->getNamespace(); - $prefix = ''; - $pattern = null; - if ($namespace !== '') { - $prefix = $namespace . $options->getNamespaceSeparator(); - $pattern = '/^' . preg_quote($prefix, '/') . '/'; - } - - $baseIt = new BaseApcIterator('user', $pattern, 0, 1, APC_LIST_ACTIVE); - return new ApcIterator($this, $baseIt, $prefix); - } - - /* FlushableInterface */ - - /** - * Flush the whole storage - * - * @return bool - */ - public function flush() - { - return apc_clear_cache('user'); - } - - /* ClearByNamespaceInterface */ - - /** - * Remove items by given namespace - * - * @param string $namespace - * @return bool - */ - public function clearByNamespace($namespace) - { - $namespace = (string) $namespace; - if ($namespace === '') { - throw new Exception\InvalidArgumentException('No namespace given'); - } - - $options = $this->getOptions(); - $prefix = $namespace . $options->getNamespaceSeparator(); - $pattern = '/^' . preg_quote($prefix, '/') . '/'; - return apc_delete(new BaseApcIterator('user', $pattern, 0, 1, APC_LIST_ACTIVE)); - } - - /* ClearByPrefixInterface */ - - /** - * Remove items matching given prefix - * - * @param string $prefix - * @return bool - */ - public function clearByPrefix($prefix) - { - $prefix = (string) $prefix; - if ($prefix === '') { - throw new Exception\InvalidArgumentException('No prefix given'); - } - - $options = $this->getOptions(); - $namespace = $options->getNamespace(); - $nsPrefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator(); - $pattern = '/^' . preg_quote($nsPrefix . $prefix, '/') . '/'; - return apc_delete(new BaseApcIterator('user', $pattern, 0, 1, APC_LIST_ACTIVE)); - } - - /* reading */ - - /** - * Internal method to get an item. - * - * @param string $normalizedKey - * @param bool $success - * @param mixed $casToken - * @return mixed Data on success, null on failure - * @throws Exception\ExceptionInterface - */ - protected function internalGetItem(& $normalizedKey, & $success = null, & $casToken = null) - { - $options = $this->getOptions(); - $namespace = $options->getNamespace(); - $prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator(); - $internalKey = $prefix . $normalizedKey; - $result = apc_fetch($internalKey, $success); - - if (!$success) { - return; - } - - $casToken = $result; - return $result; - } - - /** - * Internal method to get multiple items. - * - * @param array $normalizedKeys - * @return array Associative array of keys and values - * @throws Exception\ExceptionInterface - */ - protected function internalGetItems(array & $normalizedKeys) - { - $options = $this->getOptions(); - $namespace = $options->getNamespace(); - if ($namespace === '') { - return apc_fetch($normalizedKeys); - } - - $prefix = $namespace . $options->getNamespaceSeparator(); - $internalKeys = array(); - foreach ($normalizedKeys as $normalizedKey) { - $internalKeys[] = $prefix . $normalizedKey; - } - - $fetch = apc_fetch($internalKeys); - - // remove namespace prefix - $prefixL = strlen($prefix); - $result = array(); - foreach ($fetch as $internalKey => & $value) { - $result[substr($internalKey, $prefixL)] = $value; - } - - return $result; - } - - /** - * Internal method to test if an item exists. - * - * @param string $normalizedKey - * @return bool - * @throws Exception\ExceptionInterface - */ - protected function internalHasItem(& $normalizedKey) - { - $options = $this->getOptions(); - $namespace = $options->getNamespace(); - $prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator(); - return apc_exists($prefix . $normalizedKey); - } - - /** - * Internal method to test multiple items. - * - * @param array $normalizedKeys - * @return array Array of found keys - * @throws Exception\ExceptionInterface - */ - protected function internalHasItems(array & $normalizedKeys) - { - $options = $this->getOptions(); - $namespace = $options->getNamespace(); - if ($namespace === '') { - // array_filter with no callback will remove entries equal to FALSE - return array_keys(array_filter(apc_exists($normalizedKeys))); - } - - $prefix = $namespace . $options->getNamespaceSeparator(); - $internalKeys = array(); - foreach ($normalizedKeys as $normalizedKey) { - $internalKeys[] = $prefix . $normalizedKey; - } - - $exists = apc_exists($internalKeys); - $result = array(); - $prefixL = strlen($prefix); - foreach ($exists as $internalKey => $bool) { - if ($bool === true) { - $result[] = substr($internalKey, $prefixL); - } - } - - return $result; - } - - /** - * Get metadata of an item. - * - * @param string $normalizedKey - * @return array|bool Metadata on success, false on failure - * @throws Exception\ExceptionInterface - */ - protected function internalGetMetadata(& $normalizedKey) - { - $options = $this->getOptions(); - $namespace = $options->getNamespace(); - $prefix = ($namespace === '') ? '' : $namespace . $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; - } - - /** - * Get metadata of multiple items - * - * @param array $normalizedKeys - * @return array Associative array of keys and metadata - * - * @triggers getMetadatas.pre(PreEvent) - * @triggers getMetadatas.post(PostEvent) - * @triggers getMetadatas.exception(ExceptionEvent) - */ - protected function internalGetMetadatas(array & $normalizedKeys) - { - $keysRegExp = array(); - foreach ($normalizedKeys as $normalizedKey) { - $keysRegExp[] = preg_quote($normalizedKey, '/'); - } - - $options = $this->getOptions(); - $namespace = $options->getNamespace(); - $prefixL = 0; - - if ($namespace === '') { - $pattern = '/^(' . implode('|', $keysRegExp) . ')' . '$/'; - } else { - $prefix = $namespace . $options->getNamespaceSeparator(); - $prefixL = strlen($prefix); - $pattern = '/^' . preg_quote($prefix, '/') . '(' . implode('|', $keysRegExp) . ')' . '$/'; - } - - $format = APC_ITER_ALL ^ APC_ITER_VALUE ^ APC_ITER_TYPE ^ APC_ITER_REFCOUNT; - $it = new BaseApcIterator('user', $pattern, $format, 100, APC_LIST_ACTIVE); - $result = array(); - foreach ($it as $internalKey => $metadata) { - // @see http://pecl.php.net/bugs/bug.php?id=22564 - if (!apc_exists($internalKey)) { - continue; - } - - $this->normalizeMetadata($metadata); - $result[substr($internalKey, $prefixL)] = $metadata; - } - - return $result; - } - - /* writing */ - - /** - * Internal method to store an item. - * - * @param string $normalizedKey - * @param mixed $value - * @return bool - * @throws Exception\ExceptionInterface - */ - protected function internalSetItem(& $normalizedKey, & $value) - { - $options = $this->getOptions(); - $namespace = $options->getNamespace(); - $prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator(); - $internalKey = $prefix . $normalizedKey; - $ttl = $options->getTtl(); - - if (!apc_store($internalKey, $value, $ttl)) { - $type = is_object($value) ? get_class($value) : gettype($value); - throw new Exception\RuntimeException( - "apc_store('{$internalKey}', <{$type}>, {$ttl}) failed" - ); - } - - return true; - } - - /** - * Internal method to store multiple items. - * - * @param array $normalizedKeyValuePairs - * @return array Array of not stored keys - * @throws Exception\ExceptionInterface - */ - protected function internalSetItems(array & $normalizedKeyValuePairs) - { - $options = $this->getOptions(); - $namespace = $options->getNamespace(); - if ($namespace === '') { - return array_keys(apc_store($normalizedKeyValuePairs, null, $options->getTtl())); - } - - $prefix = $namespace . $options->getNamespaceSeparator(); - $internalKeyValuePairs = array(); - foreach ($normalizedKeyValuePairs as $normalizedKey => &$value) { - $internalKey = $prefix . $normalizedKey; - $internalKeyValuePairs[$internalKey] = &$value; - } - - $failedKeys = apc_store($internalKeyValuePairs, null, $options->getTtl()); - $failedKeys = array_keys($failedKeys); - - // remove prefix - $prefixL = strlen($prefix); - foreach ($failedKeys as & $key) { - $key = substr($key, $prefixL); - } - - return $failedKeys; - } - - /** - * Add an item. - * - * @param string $normalizedKey - * @param mixed $value - * @return bool - * @throws Exception\ExceptionInterface - */ - protected function internalAddItem(& $normalizedKey, & $value) - { - $options = $this->getOptions(); - $namespace = $options->getNamespace(); - $prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator(); - $internalKey = $prefix . $normalizedKey; - $ttl = $options->getTtl(); - - if (!apc_add($internalKey, $value, $ttl)) { - if (apc_exists($internalKey)) { - return false; - } - - $type = is_object($value) ? get_class($value) : gettype($value); - throw new Exception\RuntimeException( - "apc_add('{$internalKey}', <{$type}>, {$ttl}) failed" - ); - } - - return true; - } - - /** - * Internal method to add multiple items. - * - * @param array $normalizedKeyValuePairs - * @return array Array of not stored keys - * @throws Exception\ExceptionInterface - */ - protected function internalAddItems(array & $normalizedKeyValuePairs) - { - $options = $this->getOptions(); - $namespace = $options->getNamespace(); - if ($namespace === '') { - return array_keys(apc_add($normalizedKeyValuePairs, null, $options->getTtl())); - } - - $prefix = $namespace . $options->getNamespaceSeparator(); - $internalKeyValuePairs = array(); - foreach ($normalizedKeyValuePairs as $normalizedKey => $value) { - $internalKey = $prefix . $normalizedKey; - $internalKeyValuePairs[$internalKey] = $value; - } - - $failedKeys = apc_add($internalKeyValuePairs, null, $options->getTtl()); - $failedKeys = array_keys($failedKeys); - - // remove prefix - $prefixL = strlen($prefix); - foreach ($failedKeys as & $key) { - $key = substr($key, $prefixL); - } - - return $failedKeys; - } - - /** - * Internal method to replace an existing item. - * - * @param string $normalizedKey - * @param mixed $value - * @return bool - * @throws Exception\ExceptionInterface - */ - protected function internalReplaceItem(& $normalizedKey, & $value) - { - $options = $this->getOptions(); - $namespace = $options->getNamespace(); - $prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator(); - $internalKey = $prefix . $normalizedKey; - - if (!apc_exists($internalKey)) { - return false; - } - - $ttl = $options->getTtl(); - if (!apc_store($internalKey, $value, $ttl)) { - $type = is_object($value) ? get_class($value) : gettype($value); - throw new Exception\RuntimeException( - "apc_store('{$internalKey}', <{$type}>, {$ttl}) failed" - ); - } - - return true; - } - - /** - * Internal method to remove an item. - * - * @param string $normalizedKey - * @return bool - * @throws Exception\ExceptionInterface - */ - protected function internalRemoveItem(& $normalizedKey) - { - $options = $this->getOptions(); - $namespace = $options->getNamespace(); - $prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator(); - return apc_delete($prefix . $normalizedKey); - } - - /** - * Internal method to remove multiple items. - * - * @param array $normalizedKeys - * @return array Array of not removed keys - * @throws Exception\ExceptionInterface - */ - protected function internalRemoveItems(array & $normalizedKeys) - { - $options = $this->getOptions(); - $namespace = $options->getNamespace(); - if ($namespace === '') { - return apc_delete($normalizedKeys); - } - - $prefix = $namespace . $options->getNamespaceSeparator(); - $internalKeys = array(); - foreach ($normalizedKeys as $normalizedKey) { - $internalKeys[] = $prefix . $normalizedKey; - } - - $failedKeys = apc_delete($internalKeys); - - // remove prefix - $prefixL = strlen($prefix); - foreach ($failedKeys as & $key) { - $key = substr($key, $prefixL); - } - - return $failedKeys; - } - - /** - * Internal method to increment an item. - * - * @param string $normalizedKey - * @param int $value - * @return int|bool The new value on success, false on failure - * @throws Exception\ExceptionInterface - */ - protected function internalIncrementItem(& $normalizedKey, & $value) - { - $options = $this->getOptions(); - $namespace = $options->getNamespace(); - $prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator(); - $internalKey = $prefix . $normalizedKey; - $value = (int) $value; - $newValue = apc_inc($internalKey, $value); - - // initial value - if ($newValue === false) { - $ttl = $options->getTtl(); - $newValue = $value; - if (!apc_add($internalKey, $newValue, $ttl)) { - throw new Exception\RuntimeException( - "apc_add('{$internalKey}', {$newValue}, {$ttl}) failed" - ); - } - } - - return $newValue; - } - - /** - * Internal method to decrement an item. - * - * @param string $normalizedKey - * @param int $value - * @return int|bool The new value on success, false on failure - * @throws Exception\ExceptionInterface - */ - protected function internalDecrementItem(& $normalizedKey, & $value) - { - $options = $this->getOptions(); - $namespace = $options->getNamespace(); - $prefix = ($namespace === '') ? '' : $namespace . $options->getNamespaceSeparator(); - $internalKey = $prefix . $normalizedKey; - $value = (int) $value; - $newValue = apc_dec($internalKey, $value); - - // initial value - if ($newValue === false) { - $ttl = $options->getTtl(); - $newValue = -$value; - if (!apc_add($internalKey, $newValue, $ttl)) { - throw new Exception\RuntimeException( - "apc_add('{$internalKey}', {$newValue}, {$ttl}) failed" - ); - } - } - - return $newValue; - } - - /* status */ - - /** - * Internal method to get capabilities of this adapter - * - * @return Capabilities - */ - protected function internalGetCapabilities() - { - if ($this->capabilities === null) { - $marker = new stdClass(); - $capabilities = new Capabilities( - $this, - $marker, - array( - 'supportedDatatypes' => array( - 'NULL' => true, - 'boolean' => true, - 'integer' => true, - 'double' => true, - 'string' => true, - 'array' => true, - 'object' => 'object', - 'resource' => false, - ), - 'supportedMetadata' => array( - 'internal_key', - 'atime', 'ctime', 'mtime', 'rtime', - 'size', 'hits', 'ttl', - ), - 'minTtl' => 1, - 'maxTtl' => 0, - 'staticTtl' => true, - 'ttlPrecision' => 1, - 'useRequestTime' => (bool) ini_get('apc.use_request_time'), - 'expiredRead' => false, - 'maxKeyLength' => 5182, - 'namespaceIsPrefix' => true, - 'namespaceSeparator' => $this->getOptions()->getNamespaceSeparator(), - ) - ); - - // update namespace separator on change option - $this->getEventManager()->attach('option', function ($event) use ($capabilities, $marker) { - $params = $event->getParams(); - - if (isset($params['namespace_separator'])) { - $capabilities->setNamespaceSeparator($marker, $params['namespace_separator']); - } - }); - - $this->capabilities = $capabilities; - $this->capabilityMarker = $marker; - } - - return $this->capabilities; - } - - /* internal */ - - /** - * Normalize metadata to work with APC - * - * @param array $metadata - * @return void - */ - protected function normalizeMetadata(array & $metadata) - { - $apcMetadata = $metadata; - $metadata = array( - 'internal_key' => isset($metadata['key']) ? $metadata['key'] : $metadata['info'], - 'atime' => isset($metadata['access_time']) ? $metadata['access_time'] : $metadata['atime'], - 'ctime' => isset($metadata['creation_time']) ? $metadata['creation_time'] : $metadata['ctime'], - 'mtime' => isset($metadata['modified_time']) ? $metadata['modified_time'] : $metadata['mtime'], - 'rtime' => isset($metadata['deletion_time']) ? $metadata['deletion_time'] : $metadata['dtime'], - 'size' => $metadata['mem_size'], - 'hits' => isset($metadata['nhits']) ? $metadata['nhits'] : $metadata['num_hits'], - 'ttl' => $metadata['ttl'], - ); - } - - /** - * Internal method to set an item only if token matches - * - * @param mixed $token - * @param string $normalizedKey - * @param mixed $value - * @return bool - * @see getItem() - * @see setItem() - */ - protected function internalCheckAndSetItem(& $token, & $normalizedKey, & $value) - { - if (is_int($token) && is_int($value)) { - return apc_cas($normalizedKey, $token, $value); - } - - return parent::internalCheckAndSetItem($token, $normalizedKey, $value); - } -} |