{"id":24057,"date":"2024-11-21T08:16:48","date_gmt":"2024-11-21T00:16:48","guid":{"rendered":"https:\/\/fwq.ai\/blog\/24057\/"},"modified":"2024-11-21T08:16:48","modified_gmt":"2024-11-21T00:16:48","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8swoole%e4%b8%ad%e5%ae%9e%e7%8e%b0%e5%88%86%e5%b8%83%e5%bc%8f%e9%94%81","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/24057\/","title":{"rendered":"\u5982\u4f55\u5728Swoole\u4e2d\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501"},"content":{"rendered":"

\u968f\u7740\u4e92\u8054\u7f51\u548c\u79fb\u52a8\u4e92\u8054\u7f51\u7684\u53d1\u5c55\uff0c\u9ad8\u5e76\u53d1\u548c\u5206\u5e03\u5f0f\u7cfb\u7edf\u5df2\u6210\u4e3a\u65e5\u5e38\u5f00\u53d1\u4e2d\u4e0d\u53ef\u907f\u514d\u7684\u95ee\u9898\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5206\u5e03\u5f0f\u9501\u6210\u4e3a\u4e00\u79cd\u5fc5\u4e0d\u53ef\u5c11\u7684\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u907f\u514d\u51fa\u73b0\u8d44\u6e90\u7ade\u4e89\u548c\u6570\u636e\u4e0d\u4e00\u81f4\u7b49\u95ee\u9898\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728\u4e2d\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\uff0c\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u89e3\u51b3\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u5e76\u53d1\u95ee\u9898\u3002<\/p>\n

\u4e00\u3001\u4ec0\u4e48\u662f\u5206\u5e03\u5f0f\u9501\uff1f<\/p>\n

\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u6709\u591a\u4e2a\u8fdb\u7a0b\u540c\u65f6\u8bbf\u95ee\u5171\u4eab\u8d44\u6e90\u7684\u60c5\u51b5\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u6570\u636e\u4e0d\u88ab\u7834\u574f\u6216\u5e76\u53d1\u51b2\u7a81\uff0c\u9700\u8981\u5bf9\u8fd9\u4e9b\u5171\u4eab\u8d44\u6e90\u8fdb\u884c\u52a0\u9501\u64cd\u4f5c\u3002\u800c\u5206\u5e03\u5f0f\u9501\u5c31\u662f\u4e3a\u4e86\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u5b9e\u73b0\u5bf9\u5171\u4eab\u8d44\u6e90\u7684\u6b63\u786e\u4f7f\u7528\u800c\u8bbe\u8ba1\u7684\u4e00\u79cd\u9501\u673a\u5236\u3002<\/p>\n

\u5206\u5e03\u5f0f\u9501\u7684\u5b9e\u73b0\u6bd4\u8f83\u590d\u6742\uff0c\u4e00\u822c\u9700\u8981\u8003\u8651\u5982\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n

    \n
  1. \u4e92\u65a5\u6027\uff1a\u540c\u4e00\u65f6\u523b\u53ea\u80fd\u6709\u4e00\u4e2a\u8fdb\u7a0b\u6216\u7ebf\u7a0b\u5360\u7528\u9501\uff1b<\/li>\n
  2. \u53ef\u91cd\u5165\u6027\uff1a\u540c\u4e00\u8fdb\u7a0b\u6216\u7ebf\u7a0b\u53ef\u4ee5\u591a\u6b21\u7533\u8bf7\u9501\uff0c\u4f46\u9700\u8981\u5728\u89e3\u9501\u65f6\u8fdb\u884c\u76f8\u540c\u6b21\u6570\u7684\u89e3\u9501\u64cd\u4f5c\uff1b<\/li>\n
  3. \u9632\u6b62\u6b7b\u9501\uff1a\u5728\u83b7\u53d6\u9501\u7684\u65f6\u5019\u9700\u8981\u8bbe\u5b9a\u8fc7\u671f\u65f6\u95f4\uff0c\u907f\u514d\u56e0\u4e3a\u5f02\u5e38\u6216\u5176\u4ed6\u539f\u56e0\u5bfc\u81f4\u65e0\u9650\u7b49\u5f85\uff1b<\/li>\n
  4. \u9ad8\u53ef\u7528\u6027\uff1a\u9700\u8981\u8003\u8651\u8282\u70b9\u6545\u969c\u3001\u7f51\u7edc\u5206\u533a\u7b49\u95ee\u9898\uff1b<\/li>\n
  5. \u6027\u80fd\uff1a\u9700\u8981\u5b9e\u73b0\u9ad8\u5e76\u53d1\u3001\u4f4e\u5ef6\u65f6\u7684\u7279\u6027\u3002<\/li>\n<\/ol>\n

    \u4e8c\u3001Swoole\u7b80\u4ecb<\/p>\n

    Swoole\u662f\u4e00\u4e2a\u7528\u4e8ePHP\u8bed\u8a00\u7684\u9ad8\u6027\u80fd\u5f02\u6b65\u3001\u5e76\u884c\u7f51\u7edc\u901a\u4fe1\u5f15\u64ce\uff0c\u5b83\u53ef\u4ee5\u5b9e\u73b0TCP\/UDP\/HTTP\/WebSocket\u7b49\u5404\u79cd\u534f\u8bae\u7684\u670d\u52a1\u5668\u7aef\u548c\u5ba2\u6237\u7aef\u3002Swoole\u7684\u7279\u70b9\u5305\u62ec\uff1a<\/p>\n

      \n
    1. \u9ad8\u6027\u80fd\uff1a\u91c7\u7528\u5f02\u6b65\u975e\u963b\u585eIO\u6a21\u578b\uff0c\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5e76\u53d1\u80fd\u529b\uff1b<\/li>\n
    2. \u5185\u7f6e\u534f\u7a0b\uff1a\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u5f02\u6b65\u7f16\u7a0b\uff0c\u4e0d\u9700\u8981\u624b\u52a8\u521b\u5efa\u7ebf\u7a0b\u6216\u8fdb\u7a0b\uff1b<\/li>\n
    3. \u5185\u7f6eHTTP\/WebSocket\u670d\u52a1\u5668\uff1a\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0Web\u5e94\u7528\u5f00\u53d1\uff1b<\/li>\n
    4. \u652f\u6301\u5f02\u6b65MySQL\u3001Redis\u3001ElasticSearch\u7b49\u5e38\u7528\u5de5\u5177\u7684\u5c01\u88c5\u3002<\/li>\n<\/ol>\n

      \u56e0\u6b64\uff0cSwoole\u5177\u6709\u975e\u5e38\u597d\u7684\u9002\u5e94\u6027\uff0c\u53ef\u4ee5\u7528\u4e8e\u6784\u5efa\u9ad8\u5e76\u53d1\u3001\u9ad8\u6027\u80fd\u7684\u5206\u5e03\u5f0f\u7cfb\u7edf\u3002<\/p>\n

      \u4e09\u3001\u5982\u4f55\u5728Swoole\u4e2d\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\uff1f<\/p>\n

      \u4e0b\u9762\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728Swoole\u4e2d\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u3002<\/p>\n

        \n
      1. \u57fa\u4e8eRedis\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501<\/li>\n<\/ol>\n

        Redis\u662f\u4e00\u79cd\u57fa\u4e8e\u5185\u5b58\u7684\u952e\u503c\u6570\u636e\u5e93\uff0c\u4e5f\u662f\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u6700\u5e38\u7528\u7684\u5de5\u5177\u4e4b\u4e00\u3002\u5b83\u652f\u6301\u591a\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5305\u62ec\u5b57\u7b26\u4e32\u3001\u5217\u8868\u3001\u96c6\u5408\u3001\u6709\u5e8f\u96c6\u5408\u7b49\uff0c\u5176\u4e2d\uff0c\u5b57\u7b26\u4e32\u7c7b\u578b\u53ef\u4ee5\u7528\u4e8e\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u3002<\/p>\n

        \u4f7f\u7528Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u7684\u5927\u81f4\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n

        \uff081\uff09\u901a\u8fc7Redis\u8fde\u63a5\u6c60\u83b7\u53d6\u4e00\u4e2aRedis\u8fde\u63a5\u5bf9\u8c61\uff1b
        \uff082\uff09\u4f7f\u7528SETNX\u547d\u4ee4\u6765\u5b9e\u73b0\u9501\u7684\u4e92\u65a5\u6027\uff0c\u5f53\u8fd4\u56de\u503c\u4e3a1\u65f6\u8868\u793a\u5360\u7528\u6210\u529f\uff1b
        \uff083\uff09\u4e3a\u4e86\u9632\u6b62\u6b7b\u9501\uff0c\u4e3a\u9501\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\uff1b
        \uff084\uff09\u4f7f\u7528DEL\u547d\u4ee4\u91ca\u653e\u9501\u3002<\/p>\n

        \u4ee5\u4e0b\u662f\u5177\u4f53\u7684\u5b9e\u73b0\u4ee3\u7801\uff1a<\/p>\n

        class RedisLock\n{\n    private $redis;\n\n    public function __construct($config)\n    {\n        $this-&gt;redis = new Redis();\n        $this-&gt;redis-&gt;connect($config['host'], $config['port'], $config['timeout']);\n        if (!empty($config['auth'])) {\n            $this-&gt;redis-&gt;auth($config['auth']);\n        }\n    }\n\n    public function lock($key, $timeout = 10)\n    {\n        $startTime = time();\n        do {\n            $result = $this-&gt;redis-&gt;setnx($key, time() + $timeout);\n            if ($result) {\n                return true;\n            }\n            $lockTime = $this-&gt;redis-&gt;get($key);\n            if ($lockTime &amp;&amp; $lockTime redis-&gt;getset($key, time() + $timeout);\n                if ($oldTime == $lockTime) {\n                    return true;\n                }\n            }\n            usleep(100); \/\/ 100\u6beb\u79d2\u7b49\u5f85\n        } while (time() - $startTime redis-&gt;del($key);\n    }\n}<\/pre>\n
         \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
        \u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0clock\u51fd\u6570\u4e2d\u4f7f\u7528\u4e86do-while\u5faa\u73af\u6765\u7b49\u5f85\u9501\u7684\u91ca\u653e\uff0c\u5f53\u7b49\u5f85\u65f6\u95f4\u8d85\u8fc7\u7ed9\u5b9a\u7684timeout\u65f6\uff0c\u8fd4\u56defalse\uff1bunlock\u51fd\u6570\u4e2d\u4f7f\u7528\u4e86DEL\u547d\u4ee4\u6765\u91ca\u653e\u9501\u3002\u8fd9\u79cd\u65b9\u6cd5\u5728\u5b9e\u73b0\u7b80\u5355\u3001\u5f00\u9500\u8f83\u5c0f\u7684\u540c\u65f6\uff0c\u4e5f\u5b58\u5728\u4e00\u5b9a\u7684\u6982\u7387\u4f1a\u51fa\u73b0\u6b7b\u9501\u3002<\/p>\n
          \n
        1. \u57fa\u4e8eZookeeper\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501<\/li>\n<\/ol>\n
          Zookeeper\u662f\u4e00\u4e2a\u5206\u5e03\u5f0f\u7684\uff0c\u5f00\u6e90\u7684\u534f\u8c03\u7cfb\u7edf\uff0c\u53ef\u4ee5\u7528\u4e8e\u5b9e\u73b0\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u6570\u636e\u540c\u6b65\u3001\u914d\u7f6e\u7ba1\u7406\u7b49\u4e00\u4e9b\u5217\u529f\u80fd\u3002\u5b83\u63d0\u4f9b\u7684\u4e34\u65f6\u6027\u987a\u5e8f\u8282\u70b9\uff08EPHEMERAL_SEQUENTIAL\uff09\u53ef\u4ee5\u975e\u5e38\u65b9\u4fbf\u5730\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u3002<\/p>\n
          \u4f7f\u7528Zookeeper\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u7684\u5927\u81f4\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n
          \uff081\uff09\u521b\u5efa\u4e00\u4e2aZookeeper\u5ba2\u6237\u7aef\u5e76\u8fde\u63a5\u5230Zookeeper\u670d\u52a1\u5668\uff1b
          \uff082\uff09\u4f7f\u7528createSequential\u51fd\u6570\u521b\u5efa\u4e00\u4e2a\u4e34\u65f6\u6027\u987a\u5e8f\u8282\u70b9\uff1b
          \uff083\uff09\u83b7\u53d6Zookeeper\u4e2d\u6240\u6709\u7684\u8282\u70b9\uff0c\u5e76\u6309\u8282\u70b9\u5e8f\u53f7\u6392\u5e8f\uff1b
          \uff084\uff09\u6bd4\u8f83\u81ea\u5df1\u7684\u8282\u70b9\u5e8f\u53f7\u4e0e\u5f53\u524d\u6700\u5c0f\u8282\u70b9\u7684\u5e8f\u53f7\uff0c\u5982\u679c\u76f8\u7b49\u5219\u8868\u793a\u83b7\u53d6\u5230\u4e86\u9501\uff0c\u5426\u5219\u76d1\u542c\u6bd4\u81ea\u5df1\u5e8f\u53f7\u5c0f\u7684\u6700\u8fd1\u4e00\u4e2a\u8282\u70b9\uff1b
          \uff085\uff09\u5f53\u6bd4\u81ea\u5df1\u5e8f\u53f7\u5c0f\u7684\u8282\u70b9\u88ab\u5220\u9664\u65f6\uff0c\u5f53\u524d\u8282\u70b9\u6536\u5230\u4e00\u4e2a\u4e8b\u4ef6\u901a\u77e5\uff0c\u7136\u540e\u91cd\u590d\u7b2c\u56db\u6b65\u3002<\/p>\n
          \u4ee5\u4e0b\u662f\u5177\u4f53\u7684\u5b9e\u73b0\u4ee3\u7801\uff1a<\/p>\n
          class ZookeeperLock\n{\n    private $zk;\n    private $basePath = '\/lock';\n    private $myNode;\n\n    public function __construct($config)\n    {\n        $this-&gt;zk = new Zookeeper();\n        $this-&gt;zk-&gt;connect($config['host'] . ':' . $config['port']);\n        if (isset($config['auth'])) {\n            $this-&gt;zk-&gt;addAuth('digest', $config['auth']);\n        }\n        if (!$this-&gt;zk-&gt;exists($this-&gt;basePath)) {\n            $this-&gt;zk-&gt;create($this-&gt;basePath, null, array(array('perms' =&gt; Zookeeper::PERM_ALL, 'scheme' =&gt; 'world', 'id' =&gt; 'anyone')), null);\n        }\n    }\n\n    public function lock()\n    {\n        $this-&gt;myNode = $this-&gt;zk-&gt;create($this-&gt;basePath . '\/node_', null, array(array('perms' =&gt; Zookeeper::PERM_ALL, 'scheme' =&gt; 'world', 'id' =&gt; 'anyone')), Zookeeper::EPHEMERAL | Zookeeper::SEQUENCE);\n        while (true) {\n            $children = $this-&gt;zk-&gt;getChildren($this-&gt;basePath);\n            sort($children);\n            $pos = array_search(basename($this-&gt;myNode), $children);\n            if ($pos === 0) {\n                return true;\n            } else {\n                $this-&gt;zk-&gt;exists($this-&gt;basePath . '\/' . $children[$pos - 1], function ($event_type, $s, $event_data) {\n                    $this-&gt;unlock();\n                });\n                usleep(100); \/\/ 100\u6beb\u79d2\u7b49\u5f85\n            }\n        }\n    }\n\n    public function unlock()\n    {\n        if ($this-&gt;myNode) {\n            $this-&gt;zk-&gt;delete($this-&gt;myNode);\n            $this-&gt;myNode = null;\n        }\n    }\n}<\/pre>\n
           \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
          \u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0clock\u51fd\u6570\u4e2d\u4f7f\u7528while\u5faa\u73af\u76d1\u542c\u6bd4\u81ea\u5df1\u5e8f\u53f7\u5c0f\u7684\u6700\u8fd1\u4e00\u4e2a\u8282\u70b9\uff0c\u5f53\u8be5\u8282\u70b9\u88ab\u5220\u9664\u65f6\uff0c\u8868\u793a\u81ea\u5df1\u5df2\u7ecf\u83b7\u53d6\u5230\u4e86\u9501\uff1bunlock\u51fd\u6570\u4f7f\u7528delete\u51fd\u6570\u5220\u9664\u5f53\u524d\u8282\u70b9\u3002<\/p>\n
            \n
          1. \u603b\u7ed3<\/li>\n<\/ol>\n
            \u672c\u6587\u4ecb\u7ecd\u4e86\u5728Swoole\u4e2d\u5982\u4f55\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\uff0c\u5176\u4e2d\u6211\u4eec\u4ecb\u7ecd\u4e86\u57fa\u4e8eRedis\u548cZookeeper\u4e24\u79cd\u5e38\u7528\u7684\u5b9e\u73b0\u65b9\u6cd5\uff0c\u5e76\u7ed9\u51fa\u4e86\u5b9e\u73b0\u4ee3\u7801\u3002\u5206\u5e03\u5f0f\u9501\u4f5c\u4e3a\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u63d0\u4f9b\u6570\u636e\u4e00\u81f4\u6027\u4fdd\u8bc1\u7684\u4e00\u79cd\u91cd\u8981\u6280\u672f\u624b\u6bb5\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u907f\u514d\u5e76\u53d1\u51b2\u7a81\u548c\u6570\u636e\u4e0d\u4e00\u81f4\u7b49\u95ee\u9898\u3002\u5728\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u7684\u65f6\u5019\uff0c\u9700\u8981\u8003\u8651\u4e92\u65a5\u6027\u3001\u53ef\u91cd\u5165\u6027\u3001\u9632\u6b62\u6b7b\u9501\u3001\u9ad8\u53ef\u7528\u6027\u548c\u6027\u80fd\u7b49\u65b9\u9762\u7684\u95ee\u9898\uff0c\u6839\u636e\u5b9e\u9645\u5e94\u7528\u573a\u666f\u9009\u62e9\u4e0d\u540c\u7684\u5b9e\u73b0\u65b9\u5f0f\u3002<\/p>\n
            \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5728Swoole\u4e2d\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
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