167 lines
3.2 KiB
PHP
167 lines
3.2 KiB
PHP
<?php
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/**
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* Created by PhpStorm.
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* User: whwyy
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* Date: 2018/4/27 0027
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* Time: 11:00
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*/
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declare(strict_types=1);
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namespace Snowflake\Cache;
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use Exception;
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use Snowflake\Abstracts\Component;
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use Snowflake\Abstracts\Config;
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use Snowflake\Core\Json;
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use Snowflake\Event;
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use Snowflake\Exception\ConfigException;
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use Snowflake\Snowflake;
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/**
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* Class Redis
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* @package Snowflake\Snowflake\Cache
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* @see \Redis
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*
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*/
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class Redis extends Component
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{
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public string $host = '127.0.0.1';
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public string $auth = 'xl.2005113426';
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public int $port = 6973;
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public int $databases = 0;
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public int $timeout = -1;
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public string $prefix = 'idd';
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/**
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* @throws Exception
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*/
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public function init()
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{
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Event::on(Event::SYSTEM_RESOURCE_CLEAN, [$this, 'destroy']);
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Event::on(Event::SYSTEM_RESOURCE_RELEASES, [$this, 'release']);
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Event::on(Event::SERVER_WORKER_START, [$this, 'createPool']);
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Event::on(Event::SERVER_TASK_START, [$this, 'createPool']);
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}
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/**
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* @throws ConfigException
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* @throws Exception
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*/
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public function createPool()
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{
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$connections = Snowflake::app()->getRedisFromPool();
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$config = $this->get_config();
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$name = $config['host'] . ':' . $config['prefix'] . ':' . $config['databases'];
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$length = (int)env('REDIS.POOL_LENGTH', 100);
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$connections->initConnections('redis', $name, true, $length);
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}
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/**
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* @param $name
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* @param $arguments
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* @return mixed
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* @throws
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*/
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public function __call($name, $arguments): mixed
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{
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$time = microtime(true);
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if (method_exists($this, $name)) {
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$data = $this->{$name}(...$arguments);
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} else {
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$data = $this->proxy()->{$name}(...$arguments);
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}
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if (microtime(true) - $time >= 0.02) {
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$this->warning('Redis:' . Json::encode([$name, $arguments]) . (microtime(true) - $time));
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}
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return $data;
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}
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/**
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* @param $key
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* @param int $timeout
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* @return bool|int
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* @throws Exception
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*/
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public function lock($key, int $timeout = 5): bool|int
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{
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$script = <<<SCRIPT
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local _nx = redis.call('setnx',KEYS[1], ARGV[1])
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if (_nx ~= 0) then
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redis.call('expire',KEYS[1], ARGV[1])
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return 1
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end
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return 0
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SCRIPT;
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return $this->proxy()->eval($script, ['{lock}:' . $key, $timeout], 1);
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}
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/**
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* @param $key
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* @return int
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* @throws Exception
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*/
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public function unlock($key): int
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{
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$redis = $this->proxy();
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return $redis->del('{lock}:' . $key);
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}
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/**
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* @throws ConfigException
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* @throws Exception
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*/
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public function release()
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{
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$connections = Snowflake::app()->getRedisFromPool();
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$connections->release($this->get_config(), true);
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}
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/**
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* 销毁连接池
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* @throws ConfigException
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* @throws Exception
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*/
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public function destroy()
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{
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$connections = Snowflake::app()->getRedisFromPool();
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$connections->destroy($this->get_config(), true);
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}
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/**
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* @return \Redis
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* @throws Exception
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*/
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public function proxy(): \Redis
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{
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$connections = Snowflake::app()->getRedisFromPool();
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$config = $this->get_config();
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$client = $connections->get($config, true);
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if (!($client instanceof \Redis)) {
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throw new Exception('Redis connections more.');
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}
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return $client;
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}
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/**
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* @return array
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* @throws ConfigException
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*/
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public function get_config(): array
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{
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return Config::get('cache.redis', null, true);
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}
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}
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