626 lines
26 KiB
PHP
626 lines
26 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Cache\Traits;
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use Predis\Command\Redis\UNLINK;
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use Predis\Connection\Aggregate\ClusterInterface;
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use Predis\Connection\Aggregate\RedisCluster;
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use Predis\Connection\Aggregate\ReplicationInterface;
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use Predis\Response\ErrorInterface;
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use Predis\Response\Status;
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use Symfony\Component\Cache\Exception\CacheException;
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use Symfony\Component\Cache\Exception\InvalidArgumentException;
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use Symfony\Component\Cache\Marshaller\DefaultMarshaller;
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use Symfony\Component\Cache\Marshaller\MarshallerInterface;
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/**
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* @author Aurimas Niekis <aurimas@niekis.lt>
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* @author Nicolas Grekas <p@tchwork.com>
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*
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* @internal
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*/
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trait RedisTrait
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{
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private static $defaultConnectionOptions = [
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'class' => null,
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'persistent' => 0,
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'persistent_id' => null,
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'timeout' => 30,
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'read_timeout' => 0,
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'retry_interval' => 0,
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'tcp_keepalive' => 0,
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'lazy' => null,
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'redis_cluster' => false,
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'redis_sentinel' => null,
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'dbindex' => 0,
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'failover' => 'none',
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'ssl' => null, // see https://php.net/context.ssl
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];
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private $redis;
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private $marshaller;
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/**
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* @param \Redis|\RedisArray|\RedisCluster|\Predis\ClientInterface|RedisProxy|RedisClusterProxy $redis
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*/
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private function init($redis, string $namespace, int $defaultLifetime, ?MarshallerInterface $marshaller)
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{
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parent::__construct($namespace, $defaultLifetime);
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if (preg_match('#[^-+_.A-Za-z0-9]#', $namespace, $match)) {
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throw new InvalidArgumentException(sprintf('RedisAdapter namespace contains "%s" but only characters in [-+_.A-Za-z0-9] are allowed.', $match[0]));
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}
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if (!$redis instanceof \Redis && !$redis instanceof \RedisArray && !$redis instanceof \RedisCluster && !$redis instanceof \Predis\ClientInterface && !$redis instanceof RedisProxy && !$redis instanceof RedisClusterProxy) {
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throw new InvalidArgumentException(sprintf('"%s()" expects parameter 1 to be Redis, RedisArray, RedisCluster or Predis\ClientInterface, "%s" given.', __METHOD__, get_debug_type($redis)));
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}
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if ($redis instanceof \Predis\ClientInterface && $redis->getOptions()->exceptions) {
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$options = clone $redis->getOptions();
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\Closure::bind(function () { $this->options['exceptions'] = false; }, $options, $options)();
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$redis = new $redis($redis->getConnection(), $options);
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}
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$this->redis = $redis;
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$this->marshaller = $marshaller ?? new DefaultMarshaller();
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}
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/**
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* Creates a Redis connection using a DSN configuration.
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*
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* Example DSN:
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* - redis://localhost
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* - redis://example.com:1234
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* - redis://secret@example.com/13
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* - redis:///var/run/redis.sock
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* - redis://secret@/var/run/redis.sock/13
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*
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* @param array $options See self::$defaultConnectionOptions
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*
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* @return \Redis|\RedisArray|\RedisCluster|RedisClusterProxy|RedisProxy|\Predis\ClientInterface According to the "class" option
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*
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* @throws InvalidArgumentException when the DSN is invalid
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*/
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public static function createConnection(string $dsn, array $options = [])
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{
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if (str_starts_with($dsn, 'redis:')) {
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$scheme = 'redis';
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} elseif (str_starts_with($dsn, 'rediss:')) {
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$scheme = 'rediss';
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} else {
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throw new InvalidArgumentException(sprintf('Invalid Redis DSN: "%s" does not start with "redis:" or "rediss".', $dsn));
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}
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if (!\extension_loaded('redis') && !class_exists(\Predis\Client::class)) {
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throw new CacheException(sprintf('Cannot find the "redis" extension nor the "predis/predis" package: "%s".', $dsn));
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}
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$params = preg_replace_callback('#^'.$scheme.':(//)?(?:(?:[^:@]*+:)?([^@]*+)@)?#', function ($m) use (&$auth) {
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if (isset($m[2])) {
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$auth = $m[2];
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if ('' === $auth) {
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$auth = null;
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}
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}
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return 'file:'.($m[1] ?? '');
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}, $dsn);
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if (false === $params = parse_url($params)) {
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throw new InvalidArgumentException(sprintf('Invalid Redis DSN: "%s".', $dsn));
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}
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$query = $hosts = [];
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$tls = 'rediss' === $scheme;
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$tcpScheme = $tls ? 'tls' : 'tcp';
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if (isset($params['query'])) {
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parse_str($params['query'], $query);
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if (isset($query['host'])) {
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if (!\is_array($hosts = $query['host'])) {
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throw new InvalidArgumentException(sprintf('Invalid Redis DSN: "%s".', $dsn));
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}
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foreach ($hosts as $host => $parameters) {
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if (\is_string($parameters)) {
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parse_str($parameters, $parameters);
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}
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if (false === $i = strrpos($host, ':')) {
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$hosts[$host] = ['scheme' => $tcpScheme, 'host' => $host, 'port' => 6379] + $parameters;
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} elseif ($port = (int) substr($host, 1 + $i)) {
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$hosts[$host] = ['scheme' => $tcpScheme, 'host' => substr($host, 0, $i), 'port' => $port] + $parameters;
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} else {
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$hosts[$host] = ['scheme' => 'unix', 'path' => substr($host, 0, $i)] + $parameters;
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}
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}
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$hosts = array_values($hosts);
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}
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}
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if (isset($params['host']) || isset($params['path'])) {
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if (!isset($params['dbindex']) && isset($params['path'])) {
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if (preg_match('#/(\d+)?$#', $params['path'], $m)) {
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$params['dbindex'] = $m[1] ?? '0';
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$params['path'] = substr($params['path'], 0, -\strlen($m[0]));
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} elseif (isset($params['host'])) {
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throw new InvalidArgumentException(sprintf('Invalid Redis DSN: "%s", the "dbindex" parameter must be a number.', $dsn));
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}
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}
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if (isset($params['host'])) {
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array_unshift($hosts, ['scheme' => $tcpScheme, 'host' => $params['host'], 'port' => $params['port'] ?? 6379]);
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} else {
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array_unshift($hosts, ['scheme' => 'unix', 'path' => $params['path']]);
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}
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}
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if (!$hosts) {
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throw new InvalidArgumentException(sprintf('Invalid Redis DSN: "%s".', $dsn));
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}
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$params += $query + $options + self::$defaultConnectionOptions;
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if (isset($params['redis_sentinel']) && !class_exists(\Predis\Client::class) && !class_exists(\RedisSentinel::class)) {
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throw new CacheException(sprintf('Redis Sentinel support requires the "predis/predis" package or the "redis" extension v5.2 or higher: "%s".', $dsn));
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}
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if ($params['redis_cluster'] && isset($params['redis_sentinel'])) {
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throw new InvalidArgumentException(sprintf('Cannot use both "redis_cluster" and "redis_sentinel" at the same time: "%s".', $dsn));
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}
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if (null === $params['class'] && \extension_loaded('redis')) {
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$class = $params['redis_cluster'] ? \RedisCluster::class : (1 < \count($hosts) && !isset($params['redis_sentinel']) ? \RedisArray::class : \Redis::class);
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} else {
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$class = $params['class'] ?? \Predis\Client::class;
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if (isset($params['redis_sentinel']) && !is_a($class, \Predis\Client::class, true) && !class_exists(\RedisSentinel::class)) {
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throw new CacheException(sprintf('Cannot use Redis Sentinel: class "%s" does not extend "Predis\Client" and ext-redis >= 5.2 not found: "%s".', $class, $dsn));
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}
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}
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if (is_a($class, \Redis::class, true)) {
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$connect = $params['persistent'] || $params['persistent_id'] ? 'pconnect' : 'connect';
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$redis = new $class();
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$initializer = static function ($redis) use ($connect, $params, $dsn, $auth, $hosts, $tls) {
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$hostIndex = 0;
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do {
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$host = $hosts[$hostIndex]['host'] ?? $hosts[$hostIndex]['path'];
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$port = $hosts[$hostIndex]['port'] ?? 0;
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$address = false;
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if (isset($hosts[$hostIndex]['host']) && $tls) {
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$host = 'tls://'.$host;
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}
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if (!isset($params['redis_sentinel'])) {
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break;
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}
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$extra = [];
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if (\defined('Redis::OPT_NULL_MULTIBULK_AS_NULL') && isset($params['auth'])) {
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$extra = [$params['auth']];
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}
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$sentinel = new \RedisSentinel($host, $port, $params['timeout'], (string) $params['persistent_id'], $params['retry_interval'], $params['read_timeout'], ...$extra);
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if ($address = $sentinel->getMasterAddrByName($params['redis_sentinel'])) {
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[$host, $port] = $address;
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}
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} while (++$hostIndex < \count($hosts) && !$address);
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if (isset($params['redis_sentinel']) && !$address) {
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throw new InvalidArgumentException(sprintf('Failed to retrieve master information from sentinel "%s" and dsn "%s".', $params['redis_sentinel'], $dsn));
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}
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try {
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$extra = [
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'stream' => $params['ssl'] ?? null,
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];
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if (isset($params['auth'])) {
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$extra['auth'] = $params['auth'];
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}
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@$redis->{$connect}($host, $port, $params['timeout'], (string) $params['persistent_id'], $params['retry_interval'], $params['read_timeout'], ...\defined('Redis::SCAN_PREFIX') ? [$extra] : []);
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set_error_handler(function ($type, $msg) use (&$error) { $error = $msg; });
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try {
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$isConnected = $redis->isConnected();
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} finally {
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restore_error_handler();
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}
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if (!$isConnected) {
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$error = preg_match('/^Redis::p?connect\(\): (.*)/', $error ?? '', $error) ? sprintf(' (%s)', $error[1]) : '';
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throw new InvalidArgumentException(sprintf('Redis connection "%s" failed: ', $dsn).$error.'.');
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}
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if ((null !== $auth && !$redis->auth($auth))
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|| ($params['dbindex'] && !$redis->select($params['dbindex']))
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) {
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$e = preg_replace('/^ERR /', '', $redis->getLastError());
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throw new InvalidArgumentException(sprintf('Redis connection "%s" failed: ', $dsn).$e.'.');
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}
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if (0 < $params['tcp_keepalive'] && \defined('Redis::OPT_TCP_KEEPALIVE')) {
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$redis->setOption(\Redis::OPT_TCP_KEEPALIVE, $params['tcp_keepalive']);
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}
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} catch (\RedisException $e) {
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throw new InvalidArgumentException(sprintf('Redis connection "%s" failed: ', $dsn).$e->getMessage());
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}
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return true;
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};
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if ($params['lazy']) {
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$redis = new RedisProxy($redis, $initializer);
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} else {
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$initializer($redis);
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}
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} elseif (is_a($class, \RedisArray::class, true)) {
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foreach ($hosts as $i => $host) {
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switch ($host['scheme']) {
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case 'tcp': $hosts[$i] = $host['host'].':'.$host['port']; break;
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case 'tls': $hosts[$i] = 'tls://'.$host['host'].':'.$host['port']; break;
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default: $hosts[$i] = $host['path'];
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}
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}
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$params['lazy_connect'] = $params['lazy'] ?? true;
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$params['connect_timeout'] = $params['timeout'];
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try {
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$redis = new $class($hosts, $params);
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} catch (\RedisClusterException $e) {
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throw new InvalidArgumentException(sprintf('Redis connection "%s" failed: ', $dsn).$e->getMessage());
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}
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if (0 < $params['tcp_keepalive'] && \defined('Redis::OPT_TCP_KEEPALIVE')) {
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$redis->setOption(\Redis::OPT_TCP_KEEPALIVE, $params['tcp_keepalive']);
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}
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} elseif (is_a($class, \RedisCluster::class, true)) {
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$initializer = static function () use ($class, $params, $dsn, $hosts) {
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foreach ($hosts as $i => $host) {
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switch ($host['scheme']) {
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case 'tcp': $hosts[$i] = $host['host'].':'.$host['port']; break;
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case 'tls': $hosts[$i] = 'tls://'.$host['host'].':'.$host['port']; break;
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default: $hosts[$i] = $host['path'];
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}
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}
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try {
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$redis = new $class(null, $hosts, $params['timeout'], $params['read_timeout'], (bool) $params['persistent'], $params['auth'] ?? '', ...\defined('Redis::SCAN_PREFIX') ? [$params['ssl'] ?? null] : []);
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} catch (\RedisClusterException $e) {
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throw new InvalidArgumentException(sprintf('Redis connection "%s" failed: ', $dsn).$e->getMessage());
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}
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if (0 < $params['tcp_keepalive'] && \defined('Redis::OPT_TCP_KEEPALIVE')) {
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$redis->setOption(\Redis::OPT_TCP_KEEPALIVE, $params['tcp_keepalive']);
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}
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switch ($params['failover']) {
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case 'error': $redis->setOption(\RedisCluster::OPT_SLAVE_FAILOVER, \RedisCluster::FAILOVER_ERROR); break;
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case 'distribute': $redis->setOption(\RedisCluster::OPT_SLAVE_FAILOVER, \RedisCluster::FAILOVER_DISTRIBUTE); break;
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case 'slaves': $redis->setOption(\RedisCluster::OPT_SLAVE_FAILOVER, \RedisCluster::FAILOVER_DISTRIBUTE_SLAVES); break;
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}
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return $redis;
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};
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$redis = $params['lazy'] ? new RedisClusterProxy($initializer) : $initializer();
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} elseif (is_a($class, \Predis\ClientInterface::class, true)) {
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if ($params['redis_cluster']) {
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$params['cluster'] = 'redis';
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} elseif (isset($params['redis_sentinel'])) {
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$params['replication'] = 'sentinel';
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$params['service'] = $params['redis_sentinel'];
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}
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$params += ['parameters' => []];
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$params['parameters'] += [
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'persistent' => $params['persistent'],
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'timeout' => $params['timeout'],
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'read_write_timeout' => $params['read_timeout'],
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'tcp_nodelay' => true,
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];
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if ($params['dbindex']) {
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$params['parameters']['database'] = $params['dbindex'];
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}
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if (null !== $auth) {
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$params['parameters']['password'] = $auth;
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}
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if (isset($params['ssl'])) {
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foreach ($hosts as $i => $host) {
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if (!isset($host['ssl'])) {
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$hosts[$i]['ssl'] = $params['ssl'];
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}
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}
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}
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if (1 === \count($hosts) && !($params['redis_cluster'] || $params['redis_sentinel'])) {
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$hosts = $hosts[0];
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} elseif (\in_array($params['failover'], ['slaves', 'distribute'], true) && !isset($params['replication'])) {
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$params['replication'] = true;
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$hosts[0] += ['alias' => 'master'];
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}
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$params['exceptions'] = false;
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$redis = new $class($hosts, array_diff_key($params, self::$defaultConnectionOptions));
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if (isset($params['redis_sentinel'])) {
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$redis->getConnection()->setSentinelTimeout($params['timeout']);
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}
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} elseif (class_exists($class, false)) {
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throw new InvalidArgumentException(sprintf('"%s" is not a subclass of "Redis", "RedisArray", "RedisCluster" nor "Predis\ClientInterface".', $class));
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} else {
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throw new InvalidArgumentException(sprintf('Class "%s" does not exist.', $class));
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}
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return $redis;
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}
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/**
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* {@inheritdoc}
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*/
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protected function doFetch(array $ids)
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{
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if (!$ids) {
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return [];
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}
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$result = [];
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if ($this->redis instanceof \Predis\ClientInterface && $this->redis->getConnection() instanceof ClusterInterface) {
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$values = $this->pipeline(function () use ($ids) {
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foreach ($ids as $id) {
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yield 'get' => [$id];
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}
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});
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} else {
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$values = $this->redis->mget($ids);
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if (!\is_array($values) || \count($values) !== \count($ids)) {
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return [];
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}
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$values = array_combine($ids, $values);
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}
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foreach ($values as $id => $v) {
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if ($v) {
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$result[$id] = $this->marshaller->unmarshall($v);
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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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* {@inheritdoc}
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*/
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protected function doHave(string $id)
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{
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return (bool) $this->redis->exists($id);
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}
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/**
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* {@inheritdoc}
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*/
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protected function doClear(string $namespace)
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{
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if ($this->redis instanceof \Predis\ClientInterface) {
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$prefix = $this->redis->getOptions()->prefix ? $this->redis->getOptions()->prefix->getPrefix() : '';
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$prefixLen = \strlen($prefix ?? '');
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}
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$cleared = true;
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$hosts = $this->getHosts();
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$host = reset($hosts);
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if ($host instanceof \Predis\Client && $host->getConnection() instanceof ReplicationInterface) {
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// Predis supports info command only on the master in replication environments
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$hosts = [$host->getClientFor('master')];
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}
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foreach ($hosts as $host) {
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if (!isset($namespace[0])) {
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$cleared = $host->flushDb() && $cleared;
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continue;
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}
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$info = $host->info('Server');
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$info = !$info instanceof ErrorInterface ? $info['Server'] ?? $info : ['redis_version' => '2.0'];
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if (!$host instanceof \Predis\ClientInterface) {
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$prefix = \defined('Redis::SCAN_PREFIX') && (\Redis::SCAN_PREFIX & $host->getOption(\Redis::OPT_SCAN)) ? '' : $host->getOption(\Redis::OPT_PREFIX);
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$prefixLen = \strlen($host->getOption(\Redis::OPT_PREFIX) ?? '');
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}
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$pattern = $prefix.$namespace.'*';
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if (!version_compare($info['redis_version'], '2.8', '>=')) {
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// As documented in Redis documentation (http://redis.io/commands/keys) using KEYS
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// can hang your server when it is executed against large databases (millions of items).
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// Whenever you hit this scale, you should really consider upgrading to Redis 2.8 or above.
|
|
$unlink = version_compare($info['redis_version'], '4.0', '>=') ? 'UNLINK' : 'DEL';
|
|
$args = $this->redis instanceof \Predis\ClientInterface ? [0, $pattern] : [[$pattern], 0];
|
|
$cleared = $host->eval("local keys=redis.call('KEYS',ARGV[1]) for i=1,#keys,5000 do redis.call('$unlink',unpack(keys,i,math.min(i+4999,#keys))) end return 1", $args[0], $args[1]) && $cleared;
|
|
continue;
|
|
}
|
|
|
|
$cursor = null;
|
|
do {
|
|
$keys = $host instanceof \Predis\ClientInterface ? $host->scan($cursor, 'MATCH', $pattern, 'COUNT', 1000) : $host->scan($cursor, $pattern, 1000);
|
|
if (isset($keys[1]) && \is_array($keys[1])) {
|
|
$cursor = $keys[0];
|
|
$keys = $keys[1];
|
|
}
|
|
if ($keys) {
|
|
if ($prefixLen) {
|
|
foreach ($keys as $i => $key) {
|
|
$keys[$i] = substr($key, $prefixLen);
|
|
}
|
|
}
|
|
$this->doDelete($keys);
|
|
}
|
|
} while ($cursor = (int) $cursor);
|
|
}
|
|
|
|
return $cleared;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
protected function doDelete(array $ids)
|
|
{
|
|
if (!$ids) {
|
|
return true;
|
|
}
|
|
|
|
if ($this->redis instanceof \Predis\ClientInterface && $this->redis->getConnection() instanceof ClusterInterface) {
|
|
static $del;
|
|
$del = $del ?? (class_exists(UNLINK::class) ? 'unlink' : 'del');
|
|
|
|
$this->pipeline(function () use ($ids, $del) {
|
|
foreach ($ids as $id) {
|
|
yield $del => [$id];
|
|
}
|
|
})->rewind();
|
|
} else {
|
|
static $unlink = true;
|
|
|
|
if ($unlink) {
|
|
try {
|
|
$unlink = false !== $this->redis->unlink($ids);
|
|
} catch (\Throwable $e) {
|
|
$unlink = false;
|
|
}
|
|
}
|
|
|
|
if (!$unlink) {
|
|
$this->redis->del($ids);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
protected function doSave(array $values, int $lifetime)
|
|
{
|
|
if (!$values = $this->marshaller->marshall($values, $failed)) {
|
|
return $failed;
|
|
}
|
|
|
|
$results = $this->pipeline(function () use ($values, $lifetime) {
|
|
foreach ($values as $id => $value) {
|
|
if (0 >= $lifetime) {
|
|
yield 'set' => [$id, $value];
|
|
} else {
|
|
yield 'setEx' => [$id, $lifetime, $value];
|
|
}
|
|
}
|
|
});
|
|
|
|
foreach ($results as $id => $result) {
|
|
if (true !== $result && (!$result instanceof Status || Status::get('OK') !== $result)) {
|
|
$failed[] = $id;
|
|
}
|
|
}
|
|
|
|
return $failed;
|
|
}
|
|
|
|
private function pipeline(\Closure $generator, object $redis = null): \Generator
|
|
{
|
|
$ids = [];
|
|
$redis = $redis ?? $this->redis;
|
|
|
|
if ($redis instanceof RedisClusterProxy || $redis instanceof \RedisCluster || ($redis instanceof \Predis\ClientInterface && $redis->getConnection() instanceof RedisCluster)) {
|
|
// phpredis & predis don't support pipelining with RedisCluster
|
|
// see https://github.com/phpredis/phpredis/blob/develop/cluster.markdown#pipelining
|
|
// see https://github.com/nrk/predis/issues/267#issuecomment-123781423
|
|
$results = [];
|
|
foreach ($generator() as $command => $args) {
|
|
$results[] = $redis->{$command}(...$args);
|
|
$ids[] = 'eval' === $command ? ($redis instanceof \Predis\ClientInterface ? $args[2] : $args[1][0]) : $args[0];
|
|
}
|
|
} elseif ($redis instanceof \Predis\ClientInterface) {
|
|
$results = $redis->pipeline(static function ($redis) use ($generator, &$ids) {
|
|
foreach ($generator() as $command => $args) {
|
|
$redis->{$command}(...$args);
|
|
$ids[] = 'eval' === $command ? $args[2] : $args[0];
|
|
}
|
|
});
|
|
} elseif ($redis instanceof \RedisArray) {
|
|
$connections = $results = $ids = [];
|
|
foreach ($generator() as $command => $args) {
|
|
$id = 'eval' === $command ? $args[1][0] : $args[0];
|
|
if (!isset($connections[$h = $redis->_target($id)])) {
|
|
$connections[$h] = [$redis->_instance($h), -1];
|
|
$connections[$h][0]->multi(\Redis::PIPELINE);
|
|
}
|
|
$connections[$h][0]->{$command}(...$args);
|
|
$results[] = [$h, ++$connections[$h][1]];
|
|
$ids[] = $id;
|
|
}
|
|
foreach ($connections as $h => $c) {
|
|
$connections[$h] = $c[0]->exec();
|
|
}
|
|
foreach ($results as $k => [$h, $c]) {
|
|
$results[$k] = $connections[$h][$c];
|
|
}
|
|
} else {
|
|
$redis->multi(\Redis::PIPELINE);
|
|
foreach ($generator() as $command => $args) {
|
|
$redis->{$command}(...$args);
|
|
$ids[] = 'eval' === $command ? $args[1][0] : $args[0];
|
|
}
|
|
$results = $redis->exec();
|
|
}
|
|
|
|
if (!$redis instanceof \Predis\ClientInterface && 'eval' === $command && $redis->getLastError()) {
|
|
$e = new \RedisException($redis->getLastError());
|
|
$results = array_map(function ($v) use ($e) { return false === $v ? $e : $v; }, (array) $results);
|
|
}
|
|
|
|
if (\is_bool($results)) {
|
|
return;
|
|
}
|
|
|
|
foreach ($ids as $k => $id) {
|
|
yield $id => $results[$k];
|
|
}
|
|
}
|
|
|
|
private function getHosts(): array
|
|
{
|
|
$hosts = [$this->redis];
|
|
if ($this->redis instanceof \Predis\ClientInterface) {
|
|
$connection = $this->redis->getConnection();
|
|
if ($connection instanceof ClusterInterface && $connection instanceof \Traversable) {
|
|
$hosts = [];
|
|
foreach ($connection as $c) {
|
|
$hosts[] = new \Predis\Client($c);
|
|
}
|
|
}
|
|
} elseif ($this->redis instanceof \RedisArray) {
|
|
$hosts = [];
|
|
foreach ($this->redis->_hosts() as $host) {
|
|
$hosts[] = $this->redis->_instance($host);
|
|
}
|
|
} elseif ($this->redis instanceof RedisClusterProxy || $this->redis instanceof \RedisCluster) {
|
|
$hosts = [];
|
|
foreach ($this->redis->_masters() as $host) {
|
|
$hosts[] = new RedisClusterNodeProxy($host, $this->redis);
|
|
}
|
|
}
|
|
|
|
return $hosts;
|
|
}
|
|
}
|