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<?php |
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namespace NokitaKaze\KeyValue; |
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use NokitaKaze\Mutex\MutexInterface; |
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use NokitaKaze\Mutex\FileMutex; |
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use Psr\SimpleCache\CacheInterface; |
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/** |
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* Class AbstractStorage |
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* @package NokitaKaze\KeyValue |
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* @doc http://www.php-fig.org/psr/psr-16/ |
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*/ |
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abstract class AbstractStorage implements CacheInterface { |
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const StorageTemporary = 0; |
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const StoragePersistent = 1; |
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const RegionDomain = 0;// Только в контексте этого HostName |
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const RegionServer = 1;// В контексте ВСЕГО дедика |
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const RegionFolder = 2;// В контексте папки домена (для разных хостов, запущенных из одной папки) |
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/** |
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* @var string Префикс к названиям полей ключей для бесконфликтного использования в глобалсе |
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*/ |
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protected $_prefix; |
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/** |
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* @var KeyValueSettings|object Настройки, переданные в конструктор и конструктором исправленные |
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*/ |
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protected $settings; |
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/** |
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* @var MutexInterface[]|null[] |
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* Мьютекс, созданный через MutexInterface, настройки задаются конкретной реализацией |
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*/ |
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protected $_locks = []; |
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/** |
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* @var string|null |
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*/ |
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protected $_last_used_lock_key = null; |
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/** |
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* @param KeyValueSettings|object $settings |
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*/ |
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abstract function __construct($settings); |
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/** |
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* Дёргаем значение из kv-хранилища |
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* |
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* @param string $key Название ключа |
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* @param string|mixed $default_value Дефолтное значение, если настоящее недоступно |
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* |
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* @return string|mixed |
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*/ |
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function get_value($key, $default_value = '') { |
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$data = $this->get_value_full($key); |
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return is_null($data) ? $default_value : $data->value; |
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} |
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/** |
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* Формируем datum типа объект, который мы будем вносить в наше kv-хранилище |
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* |
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* @param string|integer $key Ключ |
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* @param mixed $value Новое значение |
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* @param double $ttl Кол-во секунд, после которых значение будет считаться просроченным |
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* |
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* @return object |
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*/ |
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protected function form_datum_value($key, $value, $ttl) { |
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$backtrace = debug_backtrace(); |
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$data = (object) [ |
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'key' => $key, |
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'time_create' => microtime(true), |
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'time_expires' => microtime(true) + $ttl, |
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'host' => isset($_SERVER, $_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : null, |
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'value' => $value, |
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'init_file' => isset($backtrace[1], $backtrace[1]['file']) ? $backtrace[1]['file'] : null, |
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'init_line' => isset($backtrace[1], $backtrace[1]['line']) ? $backtrace[1]['line'] : null, |
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]; |
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unset($backtrace); |
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return $data; |
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} |
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/** |
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* Пишем новое значение для key в нашем kv-хранилище |
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* |
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* @param string $key Название ключа |
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* @param mixed $value Новое значение |
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* @param double|integer $ttl Кол-во секунд, после которых значение будет считаться просроченным |
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* |
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* @throws KeyValueException |
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*/ |
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abstract function set_value($key, $value, $ttl = 315576000); |
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/** |
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* @param string $key |
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* |
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* @return object|null |
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*/ |
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abstract protected function get_value_full_clear($key); |
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/** |
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* Получение полных данных по вхождению в kv-хранилище |
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* |
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* @param string $key Название ключа |
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* |
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* @return object|KeyValueDatum|null |
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*/ |
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function get_value_full($key) { |
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$ts1 = microtime(true); |
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$data = $this->get_value_full_clear($key); |
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self::add_profiling(microtime(true) - $ts1, static::class, 'get_value_full_clear'); |
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if (is_null($data)) { |
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return null; |
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} |
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// Проверяем expires |
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if (!isset($data->time_expires) or ($data->time_expires < microtime(true))) { |
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return null; |
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} |
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return $data; |
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} |
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/** |
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* Удаляем вхождение kv-хранилища |
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* |
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* @param string $key Название ключа |
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*/ |
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abstract function delete_value($key); |
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/** |
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* Стандартная стратегия выбора префиксов |
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*/ |
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function standard_prefix_strategy() { |
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if (!isset($this->settings->region_type)) { |
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$this->settings->region_type = self::RegionDomain; |
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} |
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if (isset($this->settings->prefix)) { |
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$this->_prefix = $this->settings->prefix; |
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return; |
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} |
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$this->_prefix = self::get_default_prefix_from_environment($this->settings->region_type); |
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} |
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/** |
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* @param integer $region_type |
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* |
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* @return string |
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* @throws KeyValueException |
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*/ |
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static function get_default_prefix_from_environment($region_type = self::RegionDomain) { |
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switch ($region_type) { |
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case self::RegionDomain: |
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return hash('sha256', preg_replace('|^(www\\.)?([a-z0-9.-]+)(\\:[0-9]+)?|', '$2', |
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strtolower(self::get_environment('host')))).'_'; |
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case self::RegionServer: |
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return ''; |
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case self::RegionFolder: |
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// @hint Мы используем sha256, а не sha512, потому что иначе у нас просто не хватит длины |
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return hash('sha256', strtolower(self::get_environment('root'))).'_'; |
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default: |
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throw new KeyValueException('Constructor settings is malformed. Region type can not be equal '. |
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$region_type, 1); |
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} |
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} |
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/** |
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* @param string $key |
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* |
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* @return string |
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* @throws KeyValueException |
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*/ |
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static function get_environment($key) { |
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switch ($key) { |
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case 'host': |
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return isset($_SERVER, $_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : ''; |
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case 'root': |
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return isset($_SERVER, $_SERVER['DOCUMENT_ROOT']) ? $_SERVER['DOCUMENT_ROOT'] : ''; |
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default: |
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throw new KeyValueException('malformed get_environment parameter', 2); |
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} |
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} |
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/** |
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* @return string |
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*/ |
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function get_prefix() { |
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return $this->_prefix; |
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} |
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/** |
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* Время просрочки значения, если есть |
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* |
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* @param string $key |
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* |
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* @return double|null |
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*/ |
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function get_expires_time($key) { |
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$data = $this->get_value_full($key); |
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if (is_null($data)) { |
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return null; |
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} else { |
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return $data->time_expires; |
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} |
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} |
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/** |
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* Обновляем срок жизни записи |
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* |
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* @param string $key Название ключа |
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* @param double $ttl Кол-во секунд, после которых значение будет считаться просроченным |
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*/ |
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function set_expires_time($key, $ttl) { |
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$data = $this->get_value_full($key); |
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if (is_null($data)) { |
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return; |
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} |
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$this->set_value($key, $data->value, $ttl); |
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} |
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/** |
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* Время задания значения |
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* |
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* @param string $key |
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* |
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* @return double|null |
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*/ |
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function get_change_time($key) { |
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$data = $this->get_value_full($key); |
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if (is_null($data)) { |
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return null; |
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} else { |
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return $data->time_create; |
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} |
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} |
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/** |
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* Время задания значения |
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* |
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* @param string $key |
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* |
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* @return boolean |
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*/ |
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function is_exist($key) { |
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return !is_null($this->get_value_full($key)); |
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} |
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/** |
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* @var double[][] |
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*/ |
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private static $_profiling = []; |
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/** |
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* @param double $time |
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* @param string $class |
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* @param string $action |
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*/ |
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192 |
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protected static function add_profiling($time, $class, $action) { |
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192 |
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if (!array_key_exists($class, self::$_profiling)) { |
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42 |
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self::$_profiling[$class] = [$action => $time]; |
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188 |
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} elseif (!array_key_exists($action, self::$_profiling[$class])) { |
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self::$_profiling[$class][$action] = $time; |
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} else { |
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180 |
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self::$_profiling[$class][$action] += $time; |
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} |
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192 |
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} |
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/** |
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274
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* Весь профайлинг |
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* |
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* @return double[]|double[][] |
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*/ |
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278
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6 |
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static function get_profiling() { |
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$data = [ |
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6 |
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'class' => [], |
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2 |
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'action' => [], |
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2 |
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'all' => 0, |
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2 |
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]; |
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6 |
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foreach (self::$_profiling as $class => &$obj) { |
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6 |
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if (!array_key_exists($class, $data['class'])) { |
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6 |
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$data['class'][$class] = 0; |
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2 |
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} |
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6 |
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foreach ($obj as $action => &$time) { |
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6 |
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if (array_key_exists($action, $data['action'])) { |
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6 |
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$data['action'][$action] += $time; |
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2 |
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} else { |
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6 |
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$data['action'][$action] = $time; |
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} |
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6 |
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$data['class'][$class] += $time; |
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6 |
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$data['all'] += $time; |
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2 |
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} |
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2 |
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} |
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6 |
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return $data; |
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} |
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301
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302
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/** |
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303
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* Создаём мьютекс, соответствующий ключу и кладём его в _locks |
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304
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* |
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305
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* @param string $key |
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306
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*/ |
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307
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6 |
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protected function create_lock($key) { |
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308
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// @todo Любой мьютекс |
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309
|
6 |
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$this->_locks[$key] = new FileMutex([ |
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310
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6 |
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'name' => 'ascetkey_'.$key, |
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311
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6 |
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'type' => MutexInterface::SERVER, |
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312
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2 |
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]); |
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313
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6 |
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} |
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314
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|
315
|
|
|
/** |
|
316
|
|
|
* Лочим мьютекс, соответствующий ключу |
|
317
|
|
|
* |
|
318
|
|
|
* @param string $key |
|
319
|
|
|
*/ |
|
320
|
174 |
|
protected function get_lock($key) { |
|
321
|
174 |
|
if (!isset($this->_locks[$key])) { |
|
322
|
174 |
|
$this->create_lock($key); |
|
323
|
58 |
|
} |
|
324
|
174 |
|
$this->_locks[$key]->get_lock(); |
|
325
|
174 |
|
$this->_last_used_lock_key = $key; |
|
326
|
174 |
|
} |
|
327
|
|
|
|
|
328
|
|
|
/** |
|
329
|
|
|
* Снимаем мьютекс |
|
330
|
|
|
*/ |
|
331
|
174 |
|
protected function release_lock() { |
|
332
|
174 |
|
if (isset($this->_locks[$this->_last_used_lock_key])) { |
|
333
|
174 |
|
$this->_locks[$this->_last_used_lock_key]->release_lock(); |
|
334
|
58 |
|
} |
|
335
|
174 |
|
} |
|
336
|
|
|
|
|
337
|
|
|
/** |
|
338
|
|
|
* Удаляем все созданные мьютексы, не удаляя сам объект Storage |
|
339
|
|
|
* |
|
340
|
|
|
* @param integer|null $minimal_count_for_delete |
|
341
|
|
|
*/ |
|
342
|
30 |
|
function clear_mutex_list($minimal_count_for_delete = null) { |
|
343
|
30 |
|
if (is_null($minimal_count_for_delete) or (count($this->_locks) >= $minimal_count_for_delete)) { |
|
344
|
30 |
|
$this->_locks = []; |
|
345
|
10 |
|
} |
|
346
|
30 |
|
} |
|
347
|
|
|
|
|
348
|
|
|
/** |
|
349
|
|
|
* PSR-16 wrapper |
|
350
|
|
|
*/ |
|
351
|
|
|
|
|
352
|
|
|
/** |
|
353
|
|
|
* @param string $key |
|
354
|
|
|
* |
|
355
|
|
|
* @throws \Psr\SimpleCache\InvalidArgumentException |
|
356
|
|
|
*/ |
|
357
|
390 |
|
protected function is_key_valid($key) { |
|
358
|
390 |
|
if (!is_string($key) and !is_integer($key)) { |
|
359
|
144 |
|
throw new KeyValueException('Invalid Argument'); |
|
360
|
|
|
} |
|
361
|
246 |
|
if (preg_match('_[\\{\\}\\(\\)\\/\\@:]_', $key)) { |
|
362
|
144 |
|
throw new KeyValueException('Key contains forbidden symbol'); |
|
363
|
|
|
} |
|
364
|
102 |
|
} |
|
365
|
|
|
|
|
366
|
|
|
/** |
|
367
|
|
|
* @param string $key |
|
368
|
|
|
* @param null $default |
|
369
|
|
|
* |
|
370
|
|
|
* @return mixed |
|
371
|
|
|
* @throws \Psr\SimpleCache\InvalidArgumentException |
|
372
|
|
|
*/ |
|
373
|
180 |
|
function get($key, $default = null) { |
|
374
|
180 |
|
$this->is_key_valid($key); |
|
375
|
|
|
|
|
376
|
108 |
|
return $this->get_value($key, $default); |
|
377
|
|
|
} |
|
378
|
|
|
|
|
379
|
|
|
/** |
|
380
|
|
|
* @param string $key |
|
381
|
|
|
* |
|
382
|
|
|
* @return boolean |
|
383
|
|
|
* @throws \Psr\SimpleCache\InvalidArgumentException |
|
384
|
|
|
*/ |
|
385
|
90 |
|
function delete($key) { |
|
386
|
90 |
|
$this->is_key_valid($key); |
|
387
|
18 |
|
$this->delete_value($key); |
|
388
|
|
|
|
|
389
|
18 |
|
return true; |
|
390
|
|
|
} |
|
391
|
|
|
|
|
392
|
|
|
/** |
|
393
|
|
|
* @param string $key |
|
394
|
|
|
* @param mixed $value |
|
395
|
|
|
* @param null $ttl |
|
396
|
|
|
* |
|
397
|
|
|
* @return boolean |
|
398
|
|
|
* @throws \Psr\SimpleCache\InvalidArgumentException |
|
399
|
|
|
*/ |
|
400
|
150 |
|
function set($key, $value, $ttl = null) { |
|
401
|
150 |
|
$this->is_key_valid($key); |
|
402
|
|
|
try { |
|
403
|
78 |
|
$this->set_value($key, $value, !is_null($ttl) ? $ttl : 10 * 365.25 * 24 * 3600); |
|
404
|
30 |
|
} catch (KeyValueException $e) { |
|
405
|
6 |
|
return false; |
|
406
|
|
|
} |
|
407
|
|
|
|
|
408
|
72 |
|
return false; |
|
409
|
|
|
} |
|
410
|
|
|
|
|
411
|
|
|
/** |
|
412
|
|
|
* @codeCoverageIgnore |
|
413
|
|
|
*/ |
|
414
|
|
|
function clear() { |
|
415
|
|
|
// @hint It should be implemented in children |
|
416
|
|
|
} |
|
417
|
|
|
|
|
418
|
|
|
/** |
|
419
|
|
|
* @param iterable $keys |
|
420
|
|
|
* @param null $default |
|
421
|
|
|
* |
|
422
|
|
|
* @return array |
|
423
|
|
|
* @throws \Psr\SimpleCache\InvalidArgumentException |
|
424
|
|
|
*/ |
|
425
|
36 |
|
function getMultiple($keys, $default = null) { |
|
426
|
36 |
|
$data = []; |
|
427
|
36 |
|
foreach ($keys as &$key) { |
|
428
|
36 |
|
$data[$key] = $this->get($key, $default); |
|
429
|
12 |
|
} |
|
430
|
|
|
|
|
431
|
36 |
|
return $data; |
|
|
|
|
|
|
432
|
|
|
} |
|
433
|
|
|
|
|
434
|
|
|
/** |
|
435
|
|
|
* @param iterable $keys |
|
436
|
|
|
* @param null $ttl |
|
437
|
|
|
* |
|
438
|
|
|
* @return boolean |
|
439
|
|
|
* @throws \Psr\SimpleCache\InvalidArgumentException |
|
440
|
|
|
*/ |
|
441
|
36 |
|
function setMultiple($keys, $ttl = null) { |
|
442
|
36 |
|
$u = true; |
|
443
|
36 |
|
foreach ($keys as $key => &$value) { |
|
444
|
36 |
|
if (!$this->set($key, $value, $ttl)) { |
|
445
|
36 |
|
$u = false; |
|
446
|
12 |
|
} |
|
447
|
12 |
|
} |
|
448
|
|
|
|
|
449
|
36 |
|
return $u; |
|
450
|
|
|
} |
|
451
|
|
|
|
|
452
|
|
|
/** |
|
453
|
|
|
* @param iterable $keys |
|
454
|
|
|
* |
|
455
|
|
|
* @return boolean |
|
456
|
|
|
* @throws \Psr\SimpleCache\InvalidArgumentException |
|
457
|
|
|
*/ |
|
458
|
108 |
|
function deleteMultiple($keys) { |
|
459
|
108 |
|
$u = true; |
|
460
|
108 |
|
foreach ($keys as &$key) { |
|
461
|
108 |
|
if (!$this->delete($key)) { |
|
462
|
|
|
// @codeCoverageIgnoreStart |
|
463
|
|
|
$u = false; |
|
464
|
|
|
// @codeCoverageIgnoreEnd |
|
465
|
|
|
} |
|
466
|
36 |
|
} |
|
467
|
|
|
|
|
468
|
108 |
|
return $u; |
|
469
|
|
|
} |
|
470
|
|
|
|
|
471
|
|
|
/** |
|
472
|
|
|
* @param string $key |
|
473
|
|
|
* |
|
474
|
|
|
* @throws \Psr\SimpleCache\InvalidArgumentException |
|
475
|
|
|
* @return boolean |
|
476
|
|
|
*/ |
|
477
|
162 |
|
function has($key) { |
|
478
|
162 |
|
$this->is_key_valid($key); |
|
479
|
|
|
|
|
480
|
90 |
|
return $this->is_exist($key); |
|
481
|
|
|
} |
|
482
|
|
|
} |
|
483
|
|
|
|
|
484
|
|
|
?> |
|
|
|
|
|
Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.