分散ロック管理に Hyperf フレームワークを使用する方法

pecl install redis

<?php

declare(strict_types=1);

return [
    'default' => [
        'host' => env('REDIS_HOST', '127.0.0.1'),
        'auth' => env('REDIS_AUTH', null),
        'port' => (int) env('REDIS_PORT', 6379),
        'db' => (int) env('REDIS_DB', 0),
        'pool' => [
            'max_connections' => (int) env('REDIS_MAX_CONNECTIONS', 10),
            'min_connections' => (int) env('REDIS_MIN_CONNECTIONS', 1),
            'connect_timeout' => (float) env('REDIS_CONNECT_TIMEOUT', 1.0),
            'wait_timeout' => (float) env('REDIS_WAIT_TIMEOUT', 3.0),
            'heartbeat' => (int) env('REDIS_HEARTBEAT', -1),
            'max_idle_time' => (float) env('REDIS_MAX_IDLE_TIME', 60),
        ],
    ],
];

REDIS_HOST=127.0.0.1
REDIS_PORT=6379
REDIS_DB=0

<?php

declare(strict_types=1);

namespace AppUtils;

use HyperfRedisRedisFactory;
use HyperfUtilsApplicationContext;
use RedisException;

class LockService
{
    /**
     * 获取锁
     * @param string $key 锁的key
     * @param int $expire 过期时间，单位为秒
     * @return bool
     */
    public function lock(string $key, int $expire): bool
    {
        $redis = $this->getRedis();
        try {
            return $redis->set($key, 1, ['nx', 'ex' => $expire]) ? true : false;
        } catch (RedisException $exception) {
            return false;
        }
    }

    /**
     * 解锁
     * @param string $key 锁的key
     * @return bool
     */
    public function unlock(string $key): bool
    {
        $redis = $this->getRedis();
        try {
            return $redis->del([$key]) > 0;
        } catch (RedisException $exception) {
            return false;
        }
    }

    /**
     * 获取Redis实例
     * @return mixed
     */
    private function getRedis()
    {
        $container = ApplicationContext::getContainer();
        return $container->get(RedisFactory::class)->get('default');
    }
}

<?php

declare(strict_types=1);

namespace AppController;

use AppUtilsLockService;
use HyperfHttpServerAnnotationAutoController;

/**
 * @AutoController()
 */
class DemoController
{
    public function index(LockService $lockService)
    {
        // 获取锁
        $lockKey = 'demo_lock';
        $expire = 10; // 过期时间10秒
        if ($lockService->lock($lockKey, $expire)) {
            // 获得锁，执行业务逻辑
            // TODO: 处理业务逻辑

            // 释放锁
            $lockService->unlock($lockKey);
        } else {
            // 未获得锁，返回重试或失败的响应
        }
    }
}