优化代码

app/Cache/Contracts/LockRedisInterface.php

@@ -4,7 +4,7 @@ namespace App\Cache\Contracts;
 
 interface LockRedisInterface
 {
-    public function lock(string $key, $lockTime = 1, $timeout = 0);
+    public function lock(string $key, $expired = 1, int $timeout = 0);
 
     public function delete(string $key);
 }

app/Cache/Repository/LockRedis.php

@@ -3,6 +3,8 @@
 namespace App\Cache\Repository;
 
 use App\Cache\Contracts\LockRedisInterface;
+use Swoole\Coroutine;
+use Exception;
 
 /**
  * Redis Lock
@@ -13,40 +15,33 @@ class LockRedis extends AbstractRedis implements LockRedisInterface
 {
     protected $prefix = 'rds-lock';
 
-    protected $lockValue = 1;
-
-    /**
-     * 获取是毫秒时间戳
-     *
-     * @return int
-     */
-    private function time()
-    {
-        return intval(microtime(true) * 1000);
-    }
+    protected $value = 1;
 
     /**
      * 获取 Redis 锁
      *
-     * @param string $key      锁标识
-     * @param int    $lockTime 过期时间/秒
-     * @param int    $timeout  获取超时/毫秒
+     * @param string $key     锁标识
+     * @param int    $expired 过期时间/秒
+     * @param int    $timeout 获取超时/秒，默认每隔 0.1 秒获取一次锁
      * @return bool
      */
-    public function lock(string $key, $lockTime = 1, $timeout = 0)
+    public function lock(string $key, $expired = 1, int $timeout = 0)
     {
         $lockName = $this->getCacheKey($key);
 
-        $start = $this->time();
+        // 重复获取次数
+        $retry = $timeout > 0 ? intdiv($timeout * 100, 10) : 1;
         do {
-            $lock = $this->redis()->set($lockName, $this->lockValue, ['nx', 'ex' => $lockTime]);
+            $lock = $this->redis()->set($lockName, $this->value, ['nx', 'ex' => $expired]);
             if ($lock || $timeout === 0) {
                 break;
             }
 
             // 默认 0.1 秒一次取锁
-            usleep(100000);
-        } while ($this->time() < $start + $timeout);
+            Coroutine::getCid() ? Coroutine::sleep(0.1) : usleep(100000);
+
+            $retry--;
+        } while ($retry);
 
         return $lock;
     }
@@ -67,6 +62,31 @@ class LockRedis extends AbstractRedis implements LockRedisInterface
             end
 LAU;
 
-        return $this->redis()->eval($script, [$this->getCacheKey($key), $this->lockValue], 1);
+        return $this->redis()->eval($script, [$this->getCacheKey($key), $this->value], 1);
+    }
+
+    /**
+     * 获取锁并执行
+     *
+     * @param \Closure $closure   闭包函数
+     * @param string   $lock_name 锁名
+     * @param int      $expired   过期时间/秒
+     * @param int      $timeout   获取超时/秒
+     * @return bool
+     * @throws Exception
+     */
+    public function try(\Closure $closure, string $lock_name, int $expired = 1, int $timeout = 0)
+    {
+        if (!$this->lock($lock_name, $expired, $timeout)) return false;
+
+        try {
+            call_user_func($closure);
+        } catch (Exception $e) {
+            throw $e;
+        } finally {
+            $this->delete($lock_name);
+        }
+
+        return true;
     }
 }

app/Command/TestCommand.php

@@ -49,9 +49,9 @@ class TestCommand extends HyperfCommand
 
     public function handle()
     {
-        //$lock = LockRedis::getInstance();
+        $lock = LockRedis::getInstance();
         //var_dump($lock->delete('ttt'));
-        //var_dump($lock->lock('ttt', 180));
+        //var_dump($lock->lock('ttt', 180, 5));
 
         //$string = StringRedis::getInstance();
         //var_dump($string->set('yuandong', 'dong', 30));

app/Controller/TestController.php

@@ -9,12 +9,13 @@ use Hyperf\HttpServer\Annotation\RequestMapping;
 /**
  * 测试相关控制器
  * @Controller()
+ *
  * @package App\Controller
  */
 class TestController extends AbstractController
 {
     /**
-     * @RequestMapping(path="indexss", methods="get")
+     * @RequestMapping(path="index", methods="get")
      */
     public function index()
     {

app/Process/RedisExpiredSubscribe.php

@@ -0,0 +1,39 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Process;
+
+use Hyperf\Process\AbstractProcess;
+use Hyperf\Process\Annotation\Process;
+
+/**
+ * @Process(name="RedisExpiredSubscribe")
+ */
+class RedisExpiredSubscribe extends AbstractProcess
+{
+    public function handle(): void
+    {
+        redis()->psubscribe(['__keyevent@5__:expired'], [$this, 'subscribe']);
+    }
+
+    /**
+     * 过期键回调处理
+     *
+     * @param $redis
+     * @param $pattern
+     * @param $chan
+     * @param $msg
+     */
+    public function subscribe($redis, $pattern, $chan, $msg)
+    {
+        echo "Pattern: $pattern\n";
+        echo "Channel: $chan\n";
+        echo "Payload: $msg\n\n";
+    }
+
+    public function isEnable($server): bool
+    {
+        return false;
+    }
+}

app/Process/RedisSubscribe.php

@@ -0,0 +1,43 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Process;
+
+use Hyperf\Process\AbstractProcess;
+use Hyperf\Process\Annotation\Process;
+
+/**
+ * @Process(name="RedisSubscribe")
+ */
+class RedisSubscribe extends AbstractProcess
+{
+    /**
+     * 订阅的通道
+     *
+     * @var string[]
+     */
+    private $chans = ['websocket'];
+
+    public function handle(): void
+    {
+        redis()->subscribe($this->chans, [$this, 'subscribe']);
+    }
+
+    /**
+     * 订阅处理逻辑
+     *
+     * @param        $redis
+     * @param string $chan
+     * @param string $msg
+     */
+    public function subscribe($redis, string $chan, string $msg)
+    {
+        echo PHP_EOL . "chan : $chan , msg : $msg";
+    }
+
+    public function isEnable($server): bool
+    {
+        return false;
+    }
+}

config/autoload/redis.php

@@ -23,5 +23,8 @@ return [
             'heartbeat' => -1,
             'max_idle_time' => (float) env('REDIS_MAX_IDLE_TIME', 60),
         ],
+        'options' => [
+            \Redis::OPT_READ_TIMEOUT => -1,
+        ],
     ],
 ];