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<?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 and LICENCE files. |
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* |
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* @author Georges.L (Geolim4) <[email protected]> |
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* @author Contributors https://github.com/PHPSocialNetwork/phpfastcache/graphs/contributors |
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*/ |
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declare(strict_types=1); |
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namespace Phpfastcache\Drivers\Redis; |
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use DateTime; |
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use Phpfastcache\Cluster\AggregatablePoolInterface; |
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use Phpfastcache\Core\Pool\ExtendedCacheItemPoolInterface; |
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use Phpfastcache\Core\Pool\TaggableCacheItemPoolTrait; |
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use Phpfastcache\Core\Item\ExtendedCacheItemInterface; |
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use Phpfastcache\Entities\DriverStatistic; |
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use Phpfastcache\Exceptions\PhpfastcacheInvalidArgumentException; |
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use Phpfastcache\Exceptions\PhpfastcacheLogicException; |
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use Redis as RedisClient; |
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/** |
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* @property \Redis $instance |
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* @method Config getConfig() |
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*/ |
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class Driver implements ExtendedCacheItemPoolInterface, AggregatablePoolInterface |
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{ |
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use TaggableCacheItemPoolTrait; |
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/** |
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* @return bool |
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*/ |
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public function driverCheck(): bool |
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{ |
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return extension_loaded('Redis'); |
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} |
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/** |
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* @return DriverStatistic |
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*/ |
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public function getStats(): DriverStatistic |
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{ |
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// used_memory |
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$info = $this->instance->info(); |
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$date = (new DateTime())->setTimestamp(time() - $info['uptime_in_seconds']); |
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return (new DriverStatistic()) |
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->setData(implode(', ', array_keys($this->itemInstances))) |
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->setRawData($info) |
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->setSize((int)$info['used_memory']) |
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->setInfo( |
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sprintf( |
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"The Redis daemon v%s is up since %s.\n For more information see RawData. \n Driver size includes the memory allocation size.", |
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$info['redis_version'], |
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$date->format(DATE_RFC2822) |
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) |
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); |
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} |
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/** |
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* @return bool |
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* @throws PhpfastcacheLogicException |
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*/ |
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protected function driverConnect(): bool |
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{ |
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if (isset($this->instance) && $this->instance instanceof RedisClient) { |
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throw new PhpfastcacheLogicException('Already connected to Redis server'); |
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} |
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/** |
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* In case of an user-provided |
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* Redis client just return here |
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*/ |
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if ($this->getConfig()->getRedisClient() instanceof RedisClient) { |
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/** |
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* Unlike Predis, we can't test if we're connected |
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* or not, so let's just assume that we are |
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*/ |
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$this->instance = $this->getConfig()->getRedisClient(); |
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return true; |
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} |
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$this->instance = $this->instance ?? new RedisClient(); |
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/** |
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* If path is provided we consider it as a UNIX Socket |
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*/ |
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if ($this->getConfig()->getPath()) { |
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$isConnected = $this->instance->connect($this->getConfig()->getPath()); |
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} else { |
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$isConnected = $this->instance->connect($this->getConfig()->getHost(), $this->getConfig()->getPort(), $this->getConfig()->getTimeout()); |
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} |
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if (!$isConnected && $this->getConfig()->getPath()) { |
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return false; |
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} |
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if ($this->getConfig()->getOptPrefix()) { |
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$this->instance->setOption(RedisClient::OPT_PREFIX, $this->getConfig()->getOptPrefix()); |
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} |
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if ($this->getConfig()->getPassword() && !$this->instance->auth($this->getConfig()->getPassword())) { |
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return false; |
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} |
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if ($this->getConfig()->getDatabase() !== null) { |
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$this->instance->select($this->getConfig()->getDatabase()); |
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} |
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return true; |
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} |
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/** |
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* @param ExtendedCacheItemInterface $item |
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* @return null|array |
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*/ |
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protected function driverRead(ExtendedCacheItemInterface $item): ?array |
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{ |
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$val = $this->instance->get($item->getKey()); |
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if (!$val) { |
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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 ExtendedCacheItemInterface $item |
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* @return mixed |
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* @throws PhpfastcacheInvalidArgumentException |
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* @throws PhpfastcacheLogicException |
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*/ |
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protected function driverWrite(ExtendedCacheItemInterface $item): bool |
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{ |
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$this->assertCacheItemType($item, Item::class); |
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$ttl = $item->getExpirationDate()->getTimestamp() - time(); |
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/** |
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* @see https://redis.io/commands/setex |
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* @see https://redis.io/commands/expire |
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*/ |
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if ($ttl <= 0) { |
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return $this->instance->expire($item->getKey(), 0); |
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} |
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return $this->instance->setex($item->getKey(), $ttl, $this->encode($this->driverPreWrap($item))); |
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} |
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/** |
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* @param ExtendedCacheItemInterface $item |
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* @return bool |
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* @throws PhpfastcacheInvalidArgumentException |
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*/ |
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protected function driverDelete(ExtendedCacheItemInterface $item): bool |
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{ |
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$this->assertCacheItemType($item, Item::class); |
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return (bool) $this->instance->del($item->getKey()); |
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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 $this->instance->flushDB(); |
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} |
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} |
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PHPSocialNetwork /
phpfastcache
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