157 lines
4.3 KiB
PHP
157 lines
4.3 KiB
PHP
<?php
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/**
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*
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* This file is part of phpFastCache.
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*
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* @license MIT License (MIT)
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*
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* For full copyright and license information, please see the docs/CREDITS.txt file.
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*
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* @author Khoa Bui (khoaofgod) <khoaofgod@gmail.com> https://www.phpfastcache.com
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* @author Georges.L (Geolim4) <contact@geolim4.com>
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*
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*/
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declare(strict_types=1);
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namespace Phpfastcache\Drivers\Ssdb;
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use Phpfastcache\Cluster\AggregatablePoolInterface;
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use Phpfastcache\Core\Pool\{DriverBaseTrait, ExtendedCacheItemPoolInterface};
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use Phpfastcache\Entities\DriverStatistic;
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use Phpfastcache\Exceptions\{PhpfastcacheDriverCheckException, PhpfastcacheDriverException, PhpfastcacheInvalidArgumentException};
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use phpssdb\Core\{SimpleSSDB, SSDBException};
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use Psr\Cache\CacheItemInterface;
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/**
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* Class Driver
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* @package phpFastCache\Drivers
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* @property SimpleSSDB $instance Instance of driver service
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* @property Config $config Config object
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* @method Config getConfig() Return the config object
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*/
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class Driver implements ExtendedCacheItemPoolInterface, AggregatablePoolInterface
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{
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use DriverBaseTrait;
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/**
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* @return bool
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*/
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public function driverCheck(): bool
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{
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static $driverCheck;
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if ($driverCheck === null) {
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return ($driverCheck = class_exists('phpssdb\Core\SSDB'));
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}
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return $driverCheck;
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}
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/**
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* @return DriverStatistic
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*/
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public function getStats(): DriverStatistic
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{
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$stat = new DriverStatistic();
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$info = $this->instance->info();
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/**
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* Data returned by Ssdb are very poorly formatted
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* using hardcoded offset of pair key-value :-(
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*/
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$stat->setInfo(sprintf("Ssdb-server v%s with a total of %s call(s).\n For more information see RawData.", $info[2], $info[6]))
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->setRawData($info)
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->setData(implode(', ', array_keys($this->itemInstances)))
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->setSize($this->instance->dbsize());
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return $stat;
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}
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/**
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* @return bool
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* @throws PhpfastcacheDriverException
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*/
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protected function driverConnect(): bool
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{
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try {
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$clientConfig = $this->getConfig();
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$this->instance = new SimpleSSDB($clientConfig->getHost(), $clientConfig->getPort(), $clientConfig->getTimeout());
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if (!empty($clientConfig->getPassword())) {
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$this->instance->auth($clientConfig->getPassword());
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}
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if (!$this->instance) {
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return false;
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}
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return true;
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} catch (SSDBException $e) {
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throw new PhpfastcacheDriverCheckException('Ssdb failed to connect with error: ' . $e->getMessage(), 0, $e);
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}
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}
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/**
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* @param CacheItemInterface $item
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* @return null|array
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*/
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protected function driverRead(CacheItemInterface $item)
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{
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$val = $this->instance->get($item->getEncodedKey());
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if ($val == false) {
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return null;
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}
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return $this->decode($val);
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}
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/**
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* @param CacheItemInterface $item
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* @return mixed
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* @throws PhpfastcacheInvalidArgumentException
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*/
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protected function driverWrite(CacheItemInterface $item): bool
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{
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/**
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* Check for Cross-Driver type confusion
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*/
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if ($item instanceof Item) {
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return (bool)$this->instance->setx($item->getEncodedKey(), $this->encode($this->driverPreWrap($item)), $item->getTtl());
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}
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throw new PhpfastcacheInvalidArgumentException('Cross-Driver type confusion detected');
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}
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/**
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* @param CacheItemInterface $item
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* @return bool
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* @throws PhpfastcacheInvalidArgumentException
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*/
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protected function driverDelete(CacheItemInterface $item): bool
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{
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/**
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* Check for Cross-Driver type confusion
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*/
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if ($item instanceof Item) {
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return (bool)$this->instance->del($item->getEncodedKey());
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}
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throw new PhpfastcacheInvalidArgumentException('Cross-Driver type confusion detected');
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}
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/********************
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*
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* PSR-6 Extended Methods
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*
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*******************/
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/**
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* @return bool
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*/
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protected function driverClear(): bool
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{
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return (bool)$this->instance->flushdb('kv');
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}
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}
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