{"id":31101,"date":"2025-04-21T07:31:03","date_gmt":"2025-04-20T23:31:03","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/31101.html"},"modified":"2025-04-21T07:31:03","modified_gmt":"2025-04-20T23:31:03","slug":"reactor%e6%a8%a1%e5%9e%8b%e9%ab%98%e5%b9%b6%e5%8f%91%e6%9c%8d%e5%8a%a1%e5%99%a8-03_%e4%ba%8b%e4%bb%b6%e5%be%aa%e7%8e%af%e8%b0%83%e7%94%a8%e6%a8%a1%e5%9d%97","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/31101.html","title":{"rendered":"Reactor\u6a21\u578b\u9ad8\u5e76\u53d1\u670d\u52a1\u5668\u2014\u201403_\u4e8b\u4ef6\u5faa\u73af\u8c03\u7528\u6a21\u5757"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250420233100-680583b4a761c.gif\" alt=\"\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0\" width=\"1024\" \/><\/p>\n<p>\u2728\u2728\u6b22\u8fce\u6765\u5230T_X_Parallel\u7684\u535a\u5ba2&#xff01;&#xff01; \u2002\u2002\u2002 &#x1f6f0;\ufe0f\u535a\u5ba2\u4e3b\u9875&#xff1a;T_X_Parallel \u2002\u2002\u2002 &#x1f6f0;\ufe0f\u9879\u76ee\u4ee3\u7801\u4ed3\u5e93&#xff1a;Reactor\u6a21\u578b\u9ad8\u5e76\u53d1\u670d\u52a1\u5668\u9879\u76ee\u4ee3\u7801\u4ed3\u5e93&#xff08;\u968f\u535a\u5ba2\u66f4\u65b0&#xff09; \u2002\u2002\u2002 &#x1f6f0;\ufe0f\u4e13\u680f : Reactor\u6a21\u578b\u9ad8\u5e76\u53d1\u670d\u52a1\u5668\u9879\u76ee \u2002\u2002\u2002 &#x1f6f0;\ufe0f\u6b22\u8fce\u5173\u6ce8&#xff1a;&#x1f44d;\u70b9\u8d5e&#x1f64c;\u6536\u85cf\u270d\ufe0f\u7559\u8a00<\/p>\n<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\n<ul>\n<li>1. \u524d\u8a00<\/li>\n<li>2. \u6a21\u5757\u5206\u6790<\/li>\n<li>3. \u6a21\u5757\u5b9e\u73b0<\/li>\n<li>\n<ul>\n<li>Channel\u6a21\u5757<\/li>\n<li>Poller\u6a21\u5757<\/li>\n<li>TimerWheel\u6a21\u5757<\/li>\n<li>EventLoop\u6a21\u5757<\/li>\n<\/ul>\n<\/li>\n<li>4. \u6a21\u5757\u6d4b\u8bd5<\/li>\n<li>5. \u6a21\u5757\u4ee3\u7801<\/li>\n<li>\n<ul>\n<li>Channel\u6a21\u5757\u4ee3\u7801<\/li>\n<li>Poller\u6a21\u5757\u4ee3\u7801<\/li>\n<li>TimerWheel\u6a21\u5757\u4ee3\u7801<\/li>\n<li>EventLoop\u6a21\u5757\u4ee3\u7801<\/li>\n<li>\u4e8b\u4ef6\u5faa\u73af\u76d1\u63a7\u5b8c\u6574\u4ee3\u7801<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u9879\u76ee\u73af\u5883&#xff1a;vscode\u3001wsl2&#xff08;Ubuntu22.04&#xff09;<\/p>\n<p>\u6280\u672f\u6808&#xff1a;C\/C&#043;&#043;\u3001C&#043;&#043;11\u3001C&#043;&#043;17\u3001STL\u3001HTTP\u3001TCP\u3001HTML<\/p>\n<h3>1. 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\u6a21\u5757\u5206\u6790<\/h3>\n<p>\u4e0a\u9762\u8bf4\u4e86\u8fd9\u4e2a\u6a21\u5757\u4e3b\u8981\u7531\u56db\u4e2a\u5b50\u6a21\u5757\u7ec4\u6210&#xff0c;\u90a3\u4e48\u5148\u6765\u4e00\u4e00\u4ecb\u7ecd\u8fd9\u56db\u4e2a\u6a21\u5757\u7684\u4f5c\u7528\u4ee5\u53ca\u9700\u8981\u5b9e\u73b0\u7684\u529f\u80fd&#xff0c;\u7136\u540e\u518d\u5206\u6790\u56db\u4e2a\u6a21\u5757\u4e4b\u95f4\u7684\u8054\u7cfb&#xff0c;\u4ee5\u4fbf\u4e8e\u4e0b\u9762\u5b9e\u73b0\u65f6\u80fd\u591f\u7406\u89e3\u5b9e\u73b0\u7684\u8fc7\u7a0b\u7684\u539f\u56e0<\/p>\n<li>Channel\u6a21\u5757<\/li>\n<p>\u8be5\u6a21\u5757\u5c31\u662f\u5b58\u653e\u63cf\u8ff0\u7b26\u89e6\u53d1\u4e8b\u4ef6\u7684\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570\u7684\u6a21\u5757&#xff0c;\u6240\u4ee5\u9700\u8981\u6307\u5b9a\u9700\u8981\u76d1\u63a7\u54ea\u4e2a\u63cf\u8ff0\u7b26\u548c\u76d1\u63a7\u4ec0\u4e48\u4e8b\u4ef6\u4ee5\u53ca\u5f53\u524d\u89e6\u53d1\u7684\u4e8b\u4ef6&#xff0c;\u7136\u540e\u53bb\u9009\u62e9\u4f7f\u7528\u5bf9\u5e94\u7684\u4e8b\u4ef6\u5904\u7406\u51fd\u6570\u8fdb\u884c\u5904\u7406\u3002\u4e00\u4e2a\u63cf\u8ff0\u7b26\u7684\u4e8b\u4ef6\u5927\u81f4\u53ef\u5206\u4e3a\u8bfb\u4e8b\u4ef6\u3001\u5199\u4e8b\u4ef6\u3001\u9519\u8bef\u4e8b\u4ef6\u3001\u5173\u95ed\u4e8b\u4ef6&#xff0c;\u6240\u4ee5\u9700\u8981\u5b9e\u73b0\u80fd\u8bbe\u7f6e\u76d1\u542c\u4ec0\u4e48\u4e8b\u4ef6\u4ee5\u53ca\u5f53\u524d\u89e6\u53d1\u4e8b\u4ef6\u7684\u529f\u80fd&#xff0c;\u8fd8\u6709\u9700\u8981\u5b9e\u73b0\u8bbe\u7f6e\u8fd9\u4e9b\u4e8b\u4ef6\u89e6\u53d1\u540e\u7684\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570\u7684\u529f\u80fd&#xff0c;\u6700\u540e\u5c31\u662f\u5b9e\u73b0\u4e00\u4e2a\u8c03\u7528\u5bf9\u5e94\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570\u7684\u529f\u80fd<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250420233100-680583b4c8ffb.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u4e8b\u4ef6\u5904\u7406\u51fd\u6570\u4e2d\u53ef\u4ee5\u591a\u5b9e\u73b0\u4e00\u4e2a\u4efb\u610f\u4e8b\u4ef6\u89e6\u53d1\u540e\u90fd\u6267\u884c\u7684\u56de\u8c03\u51fd\u6570&#xff0c;\u56e0\u4e3a\u542f\u52a8\u8d85\u65f6\u91ca\u653e\u529f\u80fd\u540e&#xff0c;\u8fde\u63a5\u7684\u4efb\u610f\u4e8b\u4ef6\u90fd\u5e94\u8be5\u53bb\u5237\u65b0\u65f6\u95f4\u8f6e\u7684\u5b9a\u65f6\u4efb\u52a1&#xff0c;\u6dfb\u52a0\u8fd9\u4e2a\u4efb\u610f\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570\u5c31\u662f\u4e3a\u4e86\u8d85\u65f6\u91ca\u653e\u5237\u65b0\u5b9e\u73b0\u7684<\/p>\n<p>\u5f53\u7136\u4e0d\u6b62\u8fd9\u4e9b\u5143\u7d20&#xff0c;\u7b49\u56db\u4e2a\u6a21\u5757\u7684\u5173\u7cfb\u68b3\u7406\u6e05\u695a\u540e\u5c31\u4f1a\u77e5\u9053\u8fd8\u8981\u6dfb\u52a0&#xff0c;\u4e0b\u9762\u7684\u4e09\u4e2a\u5b50\u6a21\u5757\u4e5f\u662f\u540c\u6837\u9053\u7406&#xff0c;\u73b0\u5728\u53ea\u662f\u5b9e\u73b0\u4e86\u5b50\u6a21\u5757\u81ea\u5df1\u8be5\u6709\u7684\u5143\u7d20<\/p>\n<hr \/>\n<li>Poller\u6a21\u5757<\/li>\n<p>\u8fd9\u4e2a\u6a21\u5757\u4e3b\u8981\u662f\u5bf9\u9ad8\u7ea7I\/O\u591a\u8def\u590d\u7528\u7684\u63a5\u53e3\u8fdb\u884c\u5c01\u88c5&#xff0c;\u56e0\u4e3a\u662f\u9ad8\u6027\u80fd\u5e76\u53d1\u670d\u52a1\u5668&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u9762\u4f7f\u7528epoll\u6765\u5b9e\u73b0\u591a\u8def\u590d\u7528\u76d1\u63a7\u63cf\u8ff0\u7b26\u7684\u5404\u79cd\u4e8b\u4ef6\u7684\u89e6\u53d1<\/p>\n<p>\u8fd9\u4e2a\u6a21\u5757\u4e2d\u80af\u5b9a\u6709\u7684\u6210\u5458\u662fepollfd\u63cf\u8ff0\u7b26&#xff0c;\u7136\u540e\u5c31\u662f\u4e00\u4e2a\u5b58\u50a8\u76d1\u542c\u63cf\u8ff0\u7b26\u89e6\u53d1\u4ec0\u4e48\u4e8b\u4ef6\u7684\u6570\u7ec4&#xff08;\u4e3a\u4e86\u8282\u7701\u7a7a\u95f4&#xff0c;\u5c31\u4e0d\u5728\u76d1\u63a7\u529f\u80fd\u63a5\u53e3\u4e2d\u521b\u5efa\u8be5\u6570\u7ec4&#xff09;&#xff0c;\u6700\u540e\u5c31\u662f\u4e00\u4e2a\u8be5epoll\u4e2d\u76d1\u63a7\u7684\u6240\u6709\u63cf\u8ff0\u7b26\u4ee5\u53ca\u5bf9\u5e94\u7684Channel\u5bf9\u8c61&#xff0c;\u4e3a\u4e86\u65b9\u4fbf\u67e5\u627e\u4f7f\u7528\u54c8\u5e0c\u8868\u5b58\u50a8\u8fd9\u4e2a\u5bf9\u5e94\u5173\u7cfb&#xff0c;\u4f7f\u7528\u63cf\u8ff0\u7b26fd\u5373\u53ef\u627e\u5230\u5bf9\u5e94\u7684Channel\u5bf9\u8c61<\/p>\n<p>\u8be5\u6a21\u5757\u6240\u8981\u5b9e\u73b0\u7684\u529f\u80fd\u5c31\u6e05\u6670\u4e86&#xff0c;\u5c31\u662f\u6dfb\u52a0\u6216\u66f4\u65b0\u76d1\u63a7\u3001\u79fb\u9664\u76d1\u63a7\u3001\u4ee5\u53ca\u76d1\u63a7\u4e8b\u4ef6\u5e76\u8bbe\u7f6e\u5bf9\u5e94Channel\u4e2d\u7684\u5f53\u524d\u89e6\u53d1\u4e8b\u4ef6<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250420233101-680583b552afa.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<hr \/>\n<li>TimerWheel\u6a21\u5757<\/li>\n<p>\u8be5\u6a21\u5757\u7684\u8bbe\u8ba1\u4ee5\u53ca\u5b9e\u73b0\u5728\u8be5\u9879\u76ee\u535a\u5ba2\u4e2d\u7684\u7b2c\u4e8c\u7bc7\u9879\u76ee\u51c6\u5907\u4e2d\u5df2\u7ecf\u5b8c\u6210&#xff0c;\u4f46\u662f\u8fd9\u91cc\u9700\u8981\u6dfb\u52a0\u4e00\u4e2a\u4e1c\u897f\u8ba9\u8fd9\u4e2a\u65f6\u95f4\u8f6e\u80fd\u591f\u81ea\u52a8\u8f6c\u52a8\u800c\u4e0d\u9700\u8981\u4f9d\u9760\u5916\u90e8&#xff0c;\u8fd9\u91cc\u53ef\u4ee5\u6dfb\u52a0\u6700\u521d\u5b9e\u73b0\u5b9a\u65f6\u4efb\u52a1\u7684\u65b9\u6848\u7528\u5230\u7684Linux\u63d0\u4f9b\u7684\u8ba1\u65f6\u5668&#xff08;\u8fd9\u4e24\u4e2a\u8bbe\u8ba1\u601d\u60f3\u572801_\u9879\u76ee\u51c6\u5907\u535a\u5ba2\u4e2d\u8be6\u7ec6\u8bb2\u89e3\u8fc7&#xff0c;\u5982\u6709\u7ec6\u8282\u9057\u5fd8&#xff0c;\u8bf7\u8df3\u8f6c\u81f3\u8be5\u7bc7\u535a\u5ba2&#xff09;&#xff0c;\u81ea\u52a8\u8f6c\u52a8\u7684\u5b9e\u73b0\u4e5f\u501f\u52a9\u4e86\u4e0a\u9762\u7684\u4e24\u4e2a\u6a21\u5757\u5b9e\u73b0\u7684&#xff0c;\u8fd9\u90e8\u5206\u5185\u5bb9\u5728\u4e0b\u9762\u7684\u5173\u8054\u8bb2\u89e3\u4e2d\u4f1a\u8be6\u7ec6\u9610\u8ff0<\/p>\n<p>\u8fd9\u4e2a\u6a21\u5757\u5b9e\u73b0\u7684\u529f\u80fd\u4e0e\u4e4b\u524d\u5b9e\u73b0\u7684\u5927\u81f4\u76f8\u540c&#xff0c;\u53ea\u6709\u5728\u8f6e\u8f6c\u6307\u9488\u7684\u79fb\u52a8\u529f\u80fd\u4e2d\u7531\u4e8e\u8ba1\u65f6\u5668\u7684\u52a0\u5165\u800c\u6709\u533a\u522b&#xff0c;\u5177\u4f53\u5728\u6a21\u5757\u5b9e\u73b0\u4e2d\u4f1a\u9610\u8ff0<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250420233101-680583b581699.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<hr \/>\n<li>EventLoop\u6a21\u5757<\/li>\n<p>\u8be5\u6a21\u5757\u662f\u8be5\u9879\u76ee\u7684\u6838\u5fc3\u4e4b\u4e00&#xff0c;\u8be5\u6a21\u5757\u4e5f\u53ef\u4ee5\u8bf4\u662f\u4e4b\u524d\u8bf4\u7684Reactor\u6a21\u578b&#xff0c;\u6240\u4ee5\u8fd9\u4e2a\u6a21\u5757\u80af\u5b9a\u662f\u5728\u591a\u4e2a\u7ebf\u7a0b\u4e2d\u6709\u591a\u4e2a\u5bf9\u8c61&#xff0c;\u5982\u679c\u51fa\u73b0\u9519\u8bef\u7684\u5bf9\u8c61\u5206\u914d\u90a3\u4e48\u5c31\u4f1a\u4ea7\u751f\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898&#xff0c;\u5982\u679c\u4f7f\u7528\u9501\u6765\u5904\u7406&#xff0c;\u90a3\u4e48\u4f1a\u963b\u585e\u5bfc\u81f4\u6027\u80fd\u74f6\u9888&#xff0c;\u8fd9\u91cc\u7684\u5904\u7406\u601d\u60f3\u5c31\u662f\u53ea\u8981\u4efb\u52a1&#xff08;\u8fd9\u91cc\u7684\u4efb\u52a1\u4e0d\u662f\u6307\u4e8b\u4ef6\u5904\u7406&#xff0c;\u800c\u662f\u6307\u4e00\u4e9b\u6bd4\u5982\u5b9a\u65f6\u4efb\u52a1\u6dfb\u52a0\u5237\u65b0\u7b49\u6d89\u53ca\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\u7684\u4efb\u52a1&#xff09;\u7684\u6267\u884c\u53ea\u8981\u5728\u540c\u4e00\u4e2a\u7ebf\u7a0b\u4e2d\u6267\u884c\u5373\u53ef&#xff0c;\u90a3\u4e48\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u4efb\u52a1\u8fd9\u91cc\u53ef\u4ee5\u7ed9\u6bcf\u4e2aEventLoop\u5bf9\u8c61\u5206\u914d\u4e00\u4e2a\u7ebf\u7a0b&#xff0c;\u5373\u4e00\u4e2a\u7ebf\u7a0b\u4e00\u4e2aEventloop\u5bf9\u8c61&#xff0c;\u5bf9\u8c61\u4e2d\u5b58\u6709\u5bf9\u5e94\u7684\u7ebf\u7a0bID&#xff0c;\u53ea\u6709\u7ebf\u7a0b\u5bf9\u5e94\u4e0a\u4e86\u5c31\u76f4\u63a5\u6267\u884c\u4efb\u52a1&#xff0c;\u4e0d\u7136\u5c31\u5c06\u4efb\u52a1\u52a0\u5165\u5230\u4efb\u52a1\u961f\u5217\u4e2d&#xff0c;\u800c\u53ea\u8981\u786e\u4fdd\u8fd9\u4e2a\u4efb\u52a1\u961f\u5217\u7684\u6267\u884c\u53ea\u5728\u5bf9\u5e94\u7ebf\u7a0b\u4e2d\u5373\u53ef\u89e3\u51b3\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898&#xff0c;\u4e5f\u5c31\u662f\u8bf4\u5176\u4ed6\u7ebf\u7a0b\u4e2d\u7684\u5bf9\u8c61\u53ea\u80fd\u5c06\u4efb\u52a1\u52a0\u5165\u5230\u4efb\u52a1\u961f\u5217\u4e2d&#xff0c;\u800c\u8be5\u5bf9\u8c61\u5bf9\u5e94\u7684\u7ebf\u7a0b\u53ef\u4ee5\u76f4\u63a5\u6267\u884c\u4efb\u52a1\u4ee5\u53ca\u4efb\u52a1\u961f\u5217\u4e2d\u7684\u4efb\u52a1<\/p>\n<p>\u8be5\u6a21\u5757\u4e2d\u4e3b\u8981\u7684\u6210\u5458\u80af\u5b9a\u5305\u62ec\u4e0a\u9762\u7684\u4e09\u4e2a\u6a21\u5757\u7684\u5bf9\u8c61&#xff0c;\u8fd8\u6709\u5c31\u662f\u5bf9\u5e94\u7684\u7ebf\u7a0bID\u3001\u4efb\u52a1\u961f\u5217\u4ee5\u53caLinux\u63d0\u4f9b\u7684\u4e8b\u4ef6\u63cf\u8ff0\u7b26\u53ca\u5bf9\u5e94\u7684Channel\u5bf9\u8c61&#xff0c;\u8fd9\u4e2a\u4e8b\u4ef6\u63cf\u8ff0\u7b26\u662f\u7528\u6765\u907f\u514d\u5f53\u5c06\u4efb\u52a1\u52a0\u5165\u4efb\u52a1\u961f\u5217\u65f6\u5176\u4ed6\u6ca1\u6709\u4e8b\u4ef6\u89e6\u53d1\u5c31\u4f1a\u963b\u585e\u5728epoll\u7b49\u5f85\u4f4d\u7f6e&#xff0c;\u53ea\u9700\u5728\u52a0\u5165\u4efb\u52a1\u540e\u5411\u8be5\u63cf\u8ff0\u7b26\u53d1\u9001\u6570\u636e&#xff0c;\u800c\u8fd9\u4e2a\u63cf\u8ff0\u7b26\u6dfb\u52a0\u4e86\u53ef\u8bfb\u4e8b\u4ef6\u76d1\u63a7&#xff0c;\u90a3\u4e48\u5c31\u4f1a\u89e6\u53d1\u4e8b\u4ef6\u6765\u5524\u9192\u8fdb\u7a0b\u4ece\u800c\u53bb\u6267\u884c\u4efb\u52a1\u961f\u5217\u4e2d\u7684\u4efb\u52a1&#xff0c;\u80fd\u591f\u4f7f\u4efb\u52a1\u53ca\u65f6\u5904\u7406<\/p>\n<p>\u8be5\u6a21\u5757\u8981\u5b9e\u73b0\u7684\u529f\u80fd\u5c31\u662f\u5bf9\u5b9a\u65f6\u4efb\u52a1\u7684\u6dfb\u52a0\u3001\u5237\u65b0\u3001\u5220\u9664\u4ee5\u53ca\u67e5\u627e\u7684\u529f\u80fd\u3001\u5728Poller\u4e2d\u6dfb\u52a0\u6216\u66f4\u65b0\u3001\u5220\u9664\u4e8b\u4ef6\u76d1\u63a7\u529f\u80fd\u3001\u6dfb\u52a0\u4efb\u52a1\u8fdbEventLoop\u4e2d\u7684\u529f\u80fd\u3001\u5faa\u73af\u76d1\u63a7\u4e8b\u4ef6\u6267\u884c\u5bf9\u5e94\u63cf\u8ff0\u7b26\u89e6\u53d1\u4e8b\u4ef6\u7684\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570\u5e76\u6267\u884c\u4efb\u52a1\u961f\u5217\u4e2d\u4efb\u52a1\u7684\u529f\u80fd&#xff0c;\u53ef\u4ee5\u770b\u51fa\u8fd9\u4e9b\u529f\u80fd\u90fd\u5173\u8054\u4e86\u4e0a\u9762\u7684\u6a21\u5757<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250420233101-680583b5af7dc.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<hr \/>\n<li>\u56db\u4e2a\u6a21\u5757\u7684\u5173\u8054<\/li>\n<p>\u6839\u636e\u4e0a\u9762EventLoop\u6a21\u5757\u7684\u8bbe\u8ba1\u601d\u60f3\u4e2d\u4e0d\u96be\u770b\u51faeventloop\u6a21\u5757\u5c06\u524d\u4e09\u4e2a\u6a21\u5757\u8fdb\u884c\u5173\u8054\u8d77\u6765\u4e86&#xff0c;\u53ef\u4ee5\u8bf4\u524d\u4e09\u4e2a\u6a21\u5757\u90fd\u670d\u52a1\u4e0eEventLoop\u6a21\u5757&#xff0c;\u4e5f\u53ef\u4ee5\u8bf4\u524d\u4e09\u4e2a\u6a21\u5757\u4f7fEventLoop\u6a21\u5757\u7684\u5b50\u6a21\u5757<\/p>\n<p>\u6a21\u5757\u95f4\u7684\u5173\u7cfb\u535a\u4e3b\u4e5f\u4e0d\u591a\u8bf4&#xff0c;\u53ea\u8981\u4ed4\u7ec6\u7814\u7a76\u4e0a\u9762\u7684\u6a21\u5757\u8bbe\u8ba1\u5c31\u53ef\u4ee5\u7406\u89e3\u5176\u4e2d\u7684\u5173\u7cfb&#xff0c;\u4e0b\u9762\u7ed9\u51fa\u4e00\u5f20\u5173\u7cfb\u56fe\u5c31\u660e\u4e86\u4e86<\/p>\n<p>\u6ce8&#xff1a;\u7531\u4e8e\u8fd9\u56db\u4e2a\u6a21\u5757\u4e92\u76f8\u6709\u5176\u4ed6\u6a21\u5757\u7684\u5bf9\u8c61\u6307\u9488\u6216\u5bf9\u8c61&#xff0c;\u800c\u4e14\u8c03\u7528\u4e86\u6210\u5458\u51fd\u6570&#xff0c;\u6240\u4ee5\u4e0d\u80fd\u5206\u522b\u653e\u5728\u4e0d\u540c\u7684\u5934\u6587\u4ef6\u4e2d&#xff0c;\u800c\u9700\u8981\u653e\u5728\u540c\u4e00\u4e2a\u6587\u4ef6\u4e2d\u6765\u5b9e\u73b0&#xff0c;\u4e0d\u7136\u4f1a\u51fa\u7f16\u8bd1\u51b2\u7a81<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250420233101-680583b5dfd2b.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u7ed3\u5408\u4e0a\u9762\u51e0\u4e2a\u6a21\u5757\u7684\u6210\u5458\u56fe\u6765\u770b\u8fd9\u5f20\u5173\u7cfb\u56fe&#xff0c;\u57fa\u672c\u4e0a\u5c31\u80fd\u7406\u6e05\u695a\u4e2d\u95f4\u7684\u5173\u8054\u4e86<\/p>\n<hr \/>\n<h3>3. \u6a21\u5757\u5b9e\u73b0<\/h3>\n<h4>Channel\u6a21\u5757<\/h4>\n<p>Channel\u6a21\u5757\u4e3b\u8981\u7684\u8bbe\u8ba1\u7406\u5ff5\u4e0a\u9762\u4e5f\u5df2\u7ecf\u9610\u8ff0\u8fc7\u4e86&#xff0c;\u6a21\u5757\u4e2d\u7684\u6210\u5458\u548c\u9700\u8981\u5b9e\u73b0\u7684\u529f\u80fd\u5927\u81f4\u4e5f\u63d0\u53ca\u4e86&#xff0c;\u4e0b\u9762\u5c31\u662f\u5bf9\u63a5\u53e3\u4ee5\u53ca\u4e00\u4e9b\u91cd\u8981\u90e8\u5206\u7684\u8be6\u7ec6\u9610\u8ff0<\/p>\n<p>\u6a21\u5757\u63a5\u53e3<\/p>\n<p>\u5bf9\u5916\u63a5\u53e3<\/p>\n<ul>\n<li>\u83b7\u53d6\u63cf\u8ff0\u7b26fd\u63a5\u53e3<\/li>\n<li>\u83b7\u53d6\u5f53\u524d\u76d1\u63a7\u7684\u4e8b\u4ef6\u63a5\u53e3<\/li>\n<li>\u8bbe\u7f6e\u5f53\u524d\u76d1\u63a7\u7684\u63cf\u8ff0\u7b26\u6240\u89e6\u53d1\u7684\u4e8b\u4ef6\u63a5\u53e3<\/li>\n<li>\u8bbe\u7f6e\u53ef\u8bfb\u3001\u53ef\u5199\u3001\u9519\u8bef\u3001\u5173\u95ed\u3001\u4efb\u610f\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570\u63a5\u53e3<\/li>\n<li>\u5224\u65ad\u662f\u5426\u76d1\u63a7\u4e86\u53ef\u8bfb\u4e8b\u4ef6\u3001\u53ef\u5199\u4e8b\u4ef6\u63a5\u53e3<\/li>\n<li>\u542f\u52a8\u53ef\u8bfb\u4e8b\u4ef6\u3001\u53ef\u8bfb\u4e8b\u4ef6\u76d1\u63a7\u63a5\u53e3<\/li>\n<li>\u5173\u95ed\u53ef\u8bfb\u4e8b\u4ef6\u3001\u53ef\u5199\u4e8b\u4ef6\u3001\u6240\u6709\u4e8b\u4ef6\u76d1\u63a7<\/li>\n<li>\u6dfb\u52a0\u6216\u66f4\u65b0\u3001\u79fb\u9664Poller\u4e2d\u7684\u76d1\u63a7\u63a5\u53e3<\/li>\n<li>\u6267\u884c\u5bf9\u5e94\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570\u63a5\u53e3<\/li>\n<\/ul>\n<p> <span class=\"token comment\">\/\/ \u83b7\u53d6\u63cf\u8ff0\u7b26fd<\/span><br \/>\n<span class=\"token keyword\">inline<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">GetFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u83b7\u53d6\u5f53\u524d\u76d1\u63a7\u7684\u4e8b\u4ef6<\/span><br \/>\n<span class=\"token keyword\">inline<\/span> <span class=\"token keyword\">uint32_t<\/span> <span class=\"token function\">GetEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8bbe\u7f6e\u5f53\u524d\u76d1\u63a7\u7684\u63cf\u8ff0\u7b26\u6240\u89e6\u53d1\u7684\u4e8b\u4ef6<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">SetEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">uint32_t<\/span> event<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8bbe\u7f6e\u53ef\u8bfb\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">SetReadCallBack<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> EventCallBack <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8bbe\u7f6e\u53ef\u5199\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">SetWriteCallBack<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> EventCallBack <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8bbe\u7f6e\u9519\u8bef\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">SetErrorCallBack<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> EventCallBack <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8bbe\u7f6e\u5173\u95ed\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">SetCloseCallBack<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> EventCallBack <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8bbe\u7f6e\u4efb\u610f\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">SetAnyEventCallBack<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> EventCallBack <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5224\u65ad\u662f\u5426\u76d1\u63a7\u4e86\u53ef\u8bfb\u4e8b\u4ef6<\/span><br \/>\n<span class=\"token keyword\">bool<\/span> <span class=\"token function\">IsReadEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5224\u65ad\u662f\u5426\u76d1\u63a7\u4e86\u53ef\u5199\u4e8b\u4ef6<\/span><br \/>\n<span class=\"token keyword\">bool<\/span> <span class=\"token function\">IsWriteEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u542f\u52a8\u53ef\u8bfb\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">EnableRead<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u542f\u52a8\u53ef\u5199\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">EnableWrite<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5173\u95ed\u53ef\u8bfb\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">DisableRead<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5173\u95ed\u53ef\u5199\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">DisableWrite<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5173\u95ed\u6240\u6709\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">DisableEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6dfb\u52a0\u6216\u66f4\u65b0Poller\u4e2d\u7684\u76d1\u63a7<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u79fb\u9664Poller\u4e2d\u7684\u76d1\u63a7<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">Remove<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6267\u884c\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">HandleEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u4e8b\u4ef6\u72b6\u6001\u7801\u4e86\u89e3<\/p>\n<p>\u5e38\u89c1\u4e8b\u4ef6\u72b6\u6001\u7801\u53ca\u5176\u542b\u4e49<\/p>\n<li>EPOLLIN\n<ul>\n<li>\u503c: 0x001<\/li>\n<li>\u542b\u4e49: \u8868\u793a\u6587\u4ef6\u63cf\u8ff0\u7b26\u4e0a\u6709\u53ef\u8bfb\u4e8b\u4ef6&#xff08;\u4f8b\u5982&#xff0c;\u5957\u63a5\u5b57\u63a5\u6536\u5230\u6570\u636e&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>EPOLLOUT\n<ul>\n<li>\u503c: 0x004<\/li>\n<li>\u542b\u4e49: \u8868\u793a\u6587\u4ef6\u63cf\u8ff0\u7b26\u4e0a\u6709\u53ef\u5199\u4e8b\u4ef6&#xff08;\u4f8b\u5982&#xff0c;\u53ef\u4ee5\u5411\u5957\u63a5\u5b57\u53d1\u9001\u6570\u636e&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>EPOLLPRI\n<ul>\n<li>\u503c: 0x002<\/li>\n<li>\u542b\u4e49: \u8868\u793a\u6587\u4ef6\u63cf\u8ff0\u7b26\u4e0a\u6709\u7d27\u6025\u6570\u636e\u53ef\u8bfb&#xff08;\u4f8b\u5982&#xff0c;\u5e26\u5916\u6570\u636e&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>EPOLLERR\n<ul>\n<li>\u503c: 0x008<\/li>\n<li>\u542b\u4e49: \u8868\u793a\u6587\u4ef6\u63cf\u8ff0\u7b26\u53d1\u751f\u9519\u8bef\u3002<\/li>\n<\/ul>\n<\/li>\n<li>EPOLLHUP\n<ul>\n<li>\u503c: 0x010<\/li>\n<li>\u542b\u4e49: \u8868\u793a\u6587\u4ef6\u63cf\u8ff0\u7b26\u88ab\u6302\u8d77\u6216\u5bf9\u7aef\u5173\u95ed\u8fde\u63a5\u3002<\/li>\n<\/ul>\n<\/li>\n<li>EPOLLRDHUP\n<ul>\n<li>\u503c: 0x2000<\/li>\n<li>\u542b\u4e49: \u8868\u793a\u5bf9\u7aef\u5173\u95ed\u8fde\u63a5\u6216\u534a\u5173\u95ed&#xff08;\u5e38\u7528\u4e8e\u68c0\u6d4b\u5bf9\u7aef\u5173\u95ed\u7684\u573a\u666f&#xff09;\u3002<\/li>\n<\/ul>\n<\/li>\n<li>EPOLLET\n<ul>\n<li>\u503c: 0x80000000<\/li>\n<li>\u542b\u4e49: \u8868\u793a\u4f7f\u7528\u8fb9\u7f18\u89e6\u53d1\u6a21\u5f0f&#xff08;Edge Triggered&#xff09;&#xff0c;\u9700\u8981\u4e00\u6b21\u6027\u5904\u7406\u6240\u6709\u4e8b\u4ef6\u3002<\/li>\n<\/ul>\n<\/li>\n<li>EPOLLONESHOT\n<ul>\n<li>\u503c: 0x40000000<\/li>\n<li>\u542b\u4e49: \u8868\u793a\u4e00\u6b21\u6027\u4e8b\u4ef6&#xff0c;\u4e8b\u4ef6\u89e6\u53d1\u540e\u9700\u8981\u91cd\u65b0\u6ce8\u518c\u3002<\/li>\n<\/ul>\n<\/li>\n<p>\u4ee3\u7801\u4e2d\u4f7f\u7528\u7684\u72b6\u6001\u7801<\/p>\n<p>\u5728\u4ee3\u7801\u4e2d&#xff0c;\u4ee5\u4e0b\u72b6\u6001\u7801\u88ab\u4f7f\u7528&#xff1a;<\/p>\n<ul>\n<li>EPOLLIN: \u7528\u4e8e\u68c0\u6d4b\u53ef\u8bfb\u4e8b\u4ef6\u3002<\/li>\n<li>EPOLLOUT: \u7528\u4e8e\u68c0\u6d4b\u53ef\u5199\u4e8b\u4ef6\u3002<\/li>\n<li>EPOLLPRI: \u7528\u4e8e\u68c0\u6d4b\u7d27\u6025\u6570\u636e\u3002<\/li>\n<li>EPOLLERR: \u7528\u4e8e\u68c0\u6d4b\u9519\u8bef\u4e8b\u4ef6\u3002<\/li>\n<li>EPOLLHUP: \u7528\u4e8e\u68c0\u6d4b\u6302\u8d77\u6216\u5173\u95ed\u4e8b\u4ef6\u3002<\/li>\n<li>EPOLLRDHUP: \u7528\u4e8e\u68c0\u6d4b\u5bf9\u7aef\u5173\u95ed\u8fde\u63a5\u3002<\/li>\n<\/ul>\n<p>\u6a21\u5757\u5b9e\u73b0\u7ec6\u8282<\/p>\n<p>\u7531\u4e8e\u9700\u8981\u6dfb\u52a0\u3001\u66f4\u65b0\u3001\u79fb\u9664epoll\u4e2d\u7684\u4e8b\u4ef6\u76d1\u63a7&#xff0c;\u6309\u9053\u7406\u7c7b\u4e2d\u9700\u8981\u4e00\u4e2aPoller\u5bf9\u8c61&#xff0c;\u4f46\u662f\u4e0a\u9762\u63d0\u53ca\u8fc7EventLoop\u9700\u8981\u7684\u529f\u80fd&#xff0c;EventLoop\u4e2d\u5b9e\u73b0\u4e86\u5728Poller\u4e2d\u6dfb\u52a0\u6216\u66f4\u65b0\u3001\u5220\u9664\u4e8b\u4ef6\u76d1\u63a7\u529f\u80fd&#xff0c;\u6240\u4ee5\u53ea\u9700\u8981\u4e00\u4e2aEventLoop\u5bf9\u8c61\u5373\u53ef\u5b9e\u73b0\u8be5\u529f\u80fd&#xff0c;\u4f46\u662fEventLoop\u662f\u4e3b\u6a21\u5757&#xff0c;\u90a3\u4e48\u5e94\u8be5\u4f7f\u7528EventLoop\u6307\u9488&#xff0c;\u5728\u6bcf\u4e2aChannel\u7c7b\u5b9e\u4f8b\u5316\u65f6\u4f20\u5165\u4e00\u4e2aEventLoop\u5bf9\u8c61\u6307\u9488\u5373\u53ef\u3002<\/p>\n<p>\u5728\u5b9e\u73b0\u83b7\u53d6\u76d1\u63a7\u4e8b\u4ef6\u4ee5\u53ca\u542f\u52a8\u548c\u5173\u95ed\u4e8b\u4ef6\u76d1\u63a7\u529f\u80fd\u4e2d\u53ef\u4ee5\u4f7f\u7528\u4f4d\u8fd0\u7b97\u6765\u5b9e\u73b0&#xff0c;\u8fd8\u6709\u6267\u884c\u4efb\u610f\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570\u7684\u4f4d\u7f6e\u5e94\u8be5\u5728\u6bcf\u4e2a\u4e8b\u4ef6\u4e8b\u4ef6\u4e4b\u524d\u6267\u884c&#xff0c;\u56e0\u4e3a\u8fd9\u4e9b\u4e8b\u4ef6\u5904\u7406\u51fd\u6570\u6267\u884c\u5b8c\u4f1a\u4f7f\u8fde\u63a5\u65ad\u5f00\u4e14\u91ca\u653e&#xff0c;\u5bfc\u81f4\u6267\u884c\u4efb\u610f\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570\u5931\u8d25\u800c\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83<\/p>\n<p>\u8fd8\u6709\u6dfb\u52a0\u3001\u66f4\u65b0\u3001\u79fb\u9664epoll\u4e2d\u7684\u4e8b\u4ef6\u76d1\u63a7\u63a5\u53e3\u7684\u5b9e\u73b0\u9700\u8981\u7b49EventLoop\u6a21\u5757\u5b9e\u73b0\u5b8c\u518d\u5b9e\u73b0&#xff0c;\u5b9e\u73b0\u5728EventLoop\u6a21\u5757\u540e\u9762\u5b9e\u73b0&#xff0c;\u7c7b\u4e2d\u58f0\u660e&#xff0c;\u7c7b\u5916\u5b9e\u73b0&#xff0c;\u5426\u5219\u4f1a\u51fa\u73b0\u627e\u4e0d\u5230\u51fd\u6570\u7684\u7f16\u8bd1\u9519\u8bef&#xff0c;\u56e0\u4e3a\u8fd9\u4e9b\u63a5\u53e3\u4f7f\u7528\u4e86EventLoop\u4e2d\u7684\u63a5\u53e3\u6765\u5b9e\u73b0\u7684&#xff0c;\u4e0b\u9762TimerWheel\u6a21\u5757\u4e2d\u7684\u4e00\u4e9b\u63a5\u53e3\u662f\u540c\u6837\u7684\u9053\u7406<\/p>\n<p>\u7531\u4e8e\u5728Epoll\u4e2d\u9664\u4e86\u53ef\u8bfb\u548c\u53ef\u5199\u4e8b\u4ef6&#xff0c;\u9519\u8bef\u4e8b\u4ef6\u548c\u5173\u95ed\u4e8b\u4ef6\u7684\u89e6\u53d1\u662f\u65e0\u6761\u4ef6\u7684&#xff0c;\u5373epoll\u4e0d\u8bbe\u7f6e\u4e5f\u53ef\u4ee5\u76d1\u63a7\u9519\u8bef\u4e8b\u4ef6\u548c\u5173\u95ed\u4e8b\u4ef6&#xff0c;\u6240\u4ee5\u5728\u529f\u80fd\u4e2d\u4e0d\u9700\u8981\u8bbe\u8ba1\u542f\u52a8\u5173\u95ed\u9519\u8bef\u4e8b\u4ef6\u4ee5\u53ca\u5173\u95ed\u4e8b\u4ef6\u76d1\u63a7\u7684\u63a5\u53e3<\/p>\n<p>\u5177\u4f53\u7684\u5b9e\u73b0\u4ee3\u7801\u8bf7\u770b\u6587\u7ae0\u7ed3\u5c3e\u7684\u6a21\u5757\u4ee3\u7801\u90e8\u5206<\/p>\n<h4>Poller\u6a21\u5757<\/h4>\n<p>\u8fd9\u4e2a\u6a21\u5757\u5b9e\u73b0\u4e3b\u8981\u5c31\u662f\u5bf9epoll\u63a5\u53e3\u64cd\u4f5c\u7684\u5c01\u88c5&#xff0c;\u53ea\u8981\u4e86\u89e3\u63a5\u53e3\u7684\u4f7f\u7528\u5373\u53ef&#xff0c;\u6709\u4e9b\u5b9e\u73b0\u7ec6\u8282\u535a\u4e3b\u4f1a\u5728\u4e0b\u9762\u63d0\u53ca<\/p>\n<p>\u6a21\u5757\u63a5\u53e3<\/p>\n<p>\u5bf9\u5916\u63a5\u53e3<\/p>\n<ul>\n<li>\u6dfb\u52a0\u6216\u66f4\u65b0\u4e8b\u4ef6\u76d1\u63a7\u63a5\u53e3<\/li>\n<li>\u5220\u9664\u4e8b\u4ef6\u76d1\u63a7\u63a5\u53e3<\/li>\n<li>\u83b7\u53d6\u89e6\u53d1\u4e8b\u4ef6\u63a5\u53e3<\/li>\n<\/ul>\n<p> <span class=\"token comment\">\/\/ \u66f4\u65b0\u6216\u6dfb\u52a0\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span>Channel <span class=\"token operator\">*<\/span>ch<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u79fb\u9664\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">Remove<\/span><span class=\"token punctuation\">(<\/span>Channel <span class=\"token operator\">*<\/span>ch<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u83b7\u53d6\u89e6\u53d1\u4e8b\u4ef6<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">Poll<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>Channel <span class=\"token operator\">*<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&amp;<\/span>actives<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u5185\u90e8\u63a5\u53e3<\/p>\n<ul>\n<li>\u5224\u65ad\u5728\u76d1\u63a7\u4e8b\u4ef6\u4e2d\u662f\u5426\u5b58\u5728\u5bf9\u5e94\u7684Channel\u5bf9\u8c61\u63a5\u53e3<\/li>\n<li>\u4fee\u6539\u4e8b\u4ef6\u76d1\u63a7\u63a5\u53e3<\/li>\n<\/ul>\n<p> <span class=\"token comment\">\/\/ \u5224\u65ad\u76d1\u542c\u4e8b\u4ef6\u4e2d\u662f\u5426\u5b58\u5728\u5bf9\u5e94\u7684Channel<\/span><br \/>\n<span class=\"token keyword\">bool<\/span> <span class=\"token function\">ExistChannel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u4fee\u6539epoll\u76d1\u63a7\u7684\u4e8b\u4ef6<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">_Update<\/span><span class=\"token punctuation\">(<\/span>Channel <span class=\"token operator\">*<\/span>ch<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> op<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>epoll\u63a5\u53e3\u4e86\u89e3<\/p>\n<ul>\n<li>   <span class=\"token keyword\">int<\/span> <span class=\"token function\">epoll_create<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> size<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n<p>\u53c2\u6570<\/p>\n<ul>\n<li>size\n<ul>\n<li>\u8fd9\u662f\u4e00\u4e2a\u5386\u53f2\u9057\u7559\u53c2\u6570&#xff0c;\u8868\u793a\u5efa\u8bae\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u6570\u91cf\u3002<\/li>\n<li>\u5728\u65e9\u671f\u7684 Linux \u5185\u6838\u4e2d&#xff0c;\u8fd9\u4e2a\u53c2\u6570\u7528\u4e8e\u6307\u5b9a epoll \u5b9e\u4f8b\u4e2d\u53ef\u4ee5\u76d1\u63a7\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u7684\u6700\u5927\u6570\u91cf\u3002<\/li>\n<li>\u73b0\u4ee3 Linux \u5185\u6838&#xff08;2.6.8 \u53ca\u4e4b\u540e&#xff09;\u4e2d&#xff0c;\u8be5\u53c2\u6570\u5df2\u88ab\u5ffd\u7565&#xff0c;\u4f46\u4ecd\u7136\u9700\u8981\u4f20\u9012\u4e00\u4e2a\u5927\u4e8e 0 \u7684\u503c&#xff0c;\u5426\u5219\u4f1a\u8fd4\u56de\u9519\u8bef\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u8fd4\u56de\u503c<\/p>\n<ul>\n<li>\u6210\u529f\n<ul>\n<li>\u8fd4\u56de\u4e00\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff08;epoll \u5b9e\u4f8b\u7684\u6807\u8bc6\u7b26&#xff09;&#xff0c;\u53ef\u4ee5\u7528\u4e8e\u540e\u7eed\u7684 epoll_ctl \u548c epoll_wait \u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5931\u8d25\n<ul>\n<li>\u8fd4\u56de-1&#xff0c;\u5e76\u8bbe\u7f6eerrno\u6765\u6307\u793a\u9519\u8bef\u539f\u56e0\u3002\u5e38\u89c1\u7684\u9519\u8bef\u5305\u62ec&#xff1a;\n<ul>\n<li>EINVAL: \u53c2\u6570 size \u5c0f\u4e8e\u7b49\u4e8e 0\u3002<\/li>\n<li>ENOMEM: \u7cfb\u7edf\u5185\u5b58\u4e0d\u8db3&#xff0c;\u65e0\u6cd5\u5206\u914d\u8d44\u6e90\u3002<\/li>\n<li>EMFILE: \u8fdb\u7a0b\u5df2\u8fbe\u5230\u6587\u4ef6\u63cf\u8ff0\u7b26\u7684\u4e0a\u9650\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<ul>\n<li>   <span class=\"token keyword\">int<\/span> <span class=\"token function\">epoll_wait<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> epfd<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">epoll_event<\/span> <span class=\"token operator\">*<\/span>events<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> maxevents<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> timeout<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n<p>\u53c2\u6570<\/p>\n<li>\n<p>epfd:<\/p>\n<ul>\n<li>\u7531 epoll_create \u6216 epoll_create1 \u8fd4\u56de\u7684 epoll \u5b9e\u4f8b\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002<\/li>\n<li>\u7528\u4e8e\u6807\u8bc6\u5f53\u524d\u7684 epoll \u5b9e\u4f8b\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>events:<\/p>\n<ul>\n<li>\n<p>\u6307\u5411\u4e00\u4e2a epoll_event \u6570\u7ec4\u7684\u6307\u9488&#xff0c;\u7528\u4e8e\u5b58\u50a8\u89e6\u53d1\u7684\u4e8b\u4ef6\u3002<\/p>\n<\/li>\n<li>\n<p>\u8c03\u7528\u6210\u529f\u540e&#xff0c;\u8be5\u6570\u7ec4\u4f1a\u88ab\u586b\u5145\u4e3a\u5df2\u89e6\u53d1\u7684\u4e8b\u4ef6\u4fe1\u606f\u3002<\/p>\n<\/li>\n<li>\n<p>\u6bcf\u4e2aepoll_event\u7ed3\u6784\u5305\u542b\u4ee5\u4e0b\u5b57\u6bb5&#xff1a;<\/p>\n<p> <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">epoll_event<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">uint32_t<\/span> events<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u4e8b\u4ef6\u7c7b\u578b&#xff0c;\u4f8b\u5982 EPOLLIN, EPOLLOUT \u7b49<\/span><br \/>\n    epoll_data_t data<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7528\u6237\u6570\u636e&#xff0c;\u53ef\u4ee5\u662f\u6587\u4ef6\u63cf\u8ff0\u7b26\u6216\u6307\u9488<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span>\n <\/li>\n<\/ul>\n<\/li>\n<li>\n<p>maxevents:<\/p>\n<ul>\n<li>\u6307\u5b9a events \u6570\u7ec4\u7684\u5927\u5c0f&#xff0c;\u5373\u6700\u591a\u53ef\u4ee5\u8fd4\u56de\u7684\u4e8b\u4ef6\u6570\u91cf\u3002<\/li>\n<li>\u5fc5\u987b\u5927\u4e8e 0&#xff0c;\u5426\u5219\u4f1a\u8fd4\u56de\u9519\u8bef\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>timeout:<\/p>\n<ul>\n<li>\u6307\u5b9a\u7b49\u5f85\u4e8b\u4ef6\u53d1\u751f\u7684\u8d85\u65f6\u65f6\u95f4&#xff08;\u4ee5\u6beb\u79d2\u4e3a\u5355\u4f4d&#xff09;\u3002<\/li>\n<li>\u53d6\u503c\u8303\u56f4&#xff1a;\n<ul>\n<li>timeout &gt; 0: \u7b49\u5f85\u6307\u5b9a\u7684\u6beb\u79d2\u6570\u3002<\/li>\n<li>timeout &#061;&#061; 0: \u4e0d\u7b49\u5f85&#xff0c;\u7acb\u5373\u8fd4\u56de\u3002<\/li>\n<li>timeout &#061;&#061; -1: \u65e0\u9650\u671f\u7b49\u5f85&#xff0c;\u76f4\u5230\u6709\u4e8b\u4ef6\u53d1\u751f\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<p>\u8fd4\u56de\u503c<\/p>\n<li>\u6210\u529f:\n<ul>\n<li>\u8fd4\u56de\u89e6\u53d1\u7684\u4e8b\u4ef6\u6570\u91cf&#xff08;\u5373 events \u6570\u7ec4\u4e2d\u586b\u5145\u7684\u4e8b\u4ef6\u4e2a\u6570&#xff09;\u3002<\/li>\n<li>\u5982\u679c\u8fd4\u56de\u503c\u4e3a 0&#xff0c;\u8868\u793a\u5728\u6307\u5b9a\u7684\u8d85\u65f6\u65f6\u95f4\u5185\u6ca1\u6709\u4efb\u4f55\u4e8b\u4ef6\u53d1\u751f\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5931\u8d25:\n<ul>\n<li>\u8fd4\u56de-1&#xff0c;\u5e76\u8bbe\u7f6eerrno\u6765\u6307\u793a\u9519\u8bef\u539f\u56e0\u3002\u5e38\u89c1\u9519\u8bef\u5305\u62ec&#xff1a;\n<ul>\n<li>EBADF: \u53c2\u6570 epfd \u4e0d\u662f\u6709\u6548\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002<\/li>\n<li>EFAULT: \u53c2\u6570 events \u6307\u5411\u7684\u5185\u5b58\u4e0d\u53ef\u8bbf\u95ee\u3002<\/li>\n<li>EINVAL: \u53c2\u6570 epfd \u65e0\u6548&#xff0c;\u6216 maxevents \u5c0f\u4e8e\u7b49\u4e8e 0\u3002<\/li>\n<li>EINTR: \u8c03\u7528\u88ab\u4fe1\u53f7\u4e2d\u65ad\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/li>\n<\/ul>\n<hr \/>\n<ul>\n<li>   <span class=\"token keyword\">int<\/span> <span class=\"token function\">epoll_ctl<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> epfd<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> op<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> fd<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">epoll_event<\/span> <span class=\"token operator\">*<\/span>event<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n<p>\u53c2\u6570<\/p>\n<li>\n<p>epfd:<\/p>\n<ul>\n<li>\u7531 epoll_create \u6216 epoll_create1 \u8fd4\u56de\u7684 epoll \u5b9e\u4f8b\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002<\/li>\n<li>\u7528\u4e8e\u6807\u8bc6\u5f53\u524d\u7684 epoll \u5b9e\u4f8b\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>op:<\/p>\n<ul>\n<li>\u6307\u5b9a\u8981\u6267\u884c\u7684\u64cd\u4f5c\u7c7b\u578b&#xff0c;\u53d6\u503c\u5982\u4e0b&#xff1a;\n<ul>\n<li>EPOLL_CTL_ADD: \u5c06\u6587\u4ef6\u63cf\u8ff0\u7b26 fd \u6dfb\u52a0\u5230 epoll \u5b9e\u4f8b\u4e2d\u3002<\/li>\n<li>EPOLL_CTL_MOD: \u4fee\u6539\u5df2\u6ce8\u518c\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26 fd \u7684\u4e8b\u4ef6\u3002<\/li>\n<li>EPOLL_CTL_DEL: \u4ece epoll \u5b9e\u4f8b\u4e2d\u5220\u9664\u6587\u4ef6\u63cf\u8ff0\u7b26 fd\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>fd:<\/p>\n<ul>\n<li>\u9700\u8981\u64cd\u4f5c\u7684\u76ee\u6807\u6587\u4ef6\u63cf\u8ff0\u7b26&#xff08;\u4f8b\u5982\u5957\u63a5\u5b57\u3001\u7ba1\u9053\u7b49&#xff09;\u3002<\/li>\n<li>\u5fc5\u987b\u662f\u4e00\u4e2a\u6709\u6548\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>event:<\/p>\n<ul>\n<li>\n<p>\u6307\u5411\u4e00\u4e2a epoll_event \u7ed3\u6784\u4f53&#xff0c;\u7528\u4e8e\u63cf\u8ff0\u8981\u76d1\u542c\u7684\u4e8b\u4ef6\u7c7b\u578b\u548c\u5173\u8054\u7684\u6570\u636e\u3002<\/p>\n<\/li>\n<li>\n<p>\u4ec5\u5728 op \u4e3a EPOLL_CTL_ADD \u6216 EPOLL_CTL_MOD \u65f6\u9700\u8981&#xff0c;EPOLL_CTL_DEL \u65f6\u53ef\u4ee5\u4e3a NULL\u3002<\/p>\n<\/li>\n<li>\n<p>epoll_event\u7ed3\u6784\u4f53\u5b9a\u4e49\u5982\u4e0b&#xff1a;<\/p>\n<p> <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">epoll_event<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">uint32_t<\/span> events<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u4e8b\u4ef6\u7c7b\u578b&#xff0c;\u4f8b\u5982 EPOLLIN, EPOLLOUT \u7b49<\/span><br \/>\n  epoll_data_t data<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7528\u6237\u6570\u636e&#xff0c;\u53ef\u4ee5\u662f\u6587\u4ef6\u63cf\u8ff0\u7b26\u6216\u6307\u9488<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span>\n <\/li>\n<li>\n<p>\u5e38\u89c1\u7684\u4e8b\u4ef6\u7c7b\u578b&#xff1a;<\/p>\n<ul>\n<li>EPOLLIN: \u53ef\u8bfb\u4e8b\u4ef6\u3002<\/li>\n<li>EPOLLOUT: \u53ef\u5199\u4e8b\u4ef6\u3002<\/li>\n<li>EPOLLERR: \u9519\u8bef\u4e8b\u4ef6\u3002<\/li>\n<li>EPOLLHUP: \u6302\u8d77\u4e8b\u4ef6\u3002<\/li>\n<li>EPOLLET: \u8fb9\u7f18\u89e6\u53d1\u6a21\u5f0f\u3002<\/li>\n<li>EPOLLONESHOT: \u4e00\u6b21\u6027\u4e8b\u4ef6\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<p>\u8fd4\u56de\u503c<\/p>\n<li>\u6210\u529f:\n<ul>\n<li>\u8fd4\u56de 0&#xff0c;\u8868\u793a\u64cd\u4f5c\u6210\u529f\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5931\u8d25:\n<ul>\n<li>\u8fd4\u56de-1&#xff0c;\u5e76\u8bbe\u7f6eerrno\u6765\u6307\u793a\u9519\u8bef\u539f\u56e0\u3002\u5e38\u89c1\u9519\u8bef\u5305\u62ec&#xff1a;\n<ul>\n<li>EBADF: \u53c2\u6570 epfd \u6216 fd \u4e0d\u662f\u6709\u6548\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002<\/li>\n<li>EEXIST: \u4f7f\u7528 EPOLL_CTL_ADD \u65f6&#xff0c;\u6587\u4ef6\u63cf\u8ff0\u7b26 fd \u5df2\u7ecf\u5b58\u5728\u3002<\/li>\n<li>EINVAL: \u53c2\u6570\u65e0\u6548&#xff0c;\u4f8b\u5982 epfd \u4e0d\u662f epoll \u6587\u4ef6\u63cf\u8ff0\u7b26&#xff0c;\u6216 op \u4e0d\u5408\u6cd5\u3002<\/li>\n<li>ENOENT: \u4f7f\u7528 EPOLL_CTL_MOD \u6216 EPOLL_CTL_DEL \u65f6&#xff0c;\u6587\u4ef6\u63cf\u8ff0\u7b26 fd \u4e0d\u5b58\u5728\u3002<\/li>\n<li>ENOMEM: \u7cfb\u7edf\u5185\u5b58\u4e0d\u8db3&#xff0c;\u65e0\u6cd5\u5b8c\u6210\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/li>\n<\/ul>\n<p>\u6a21\u5757\u5b9e\u73b0\u7ec6\u8282<\/p>\n<p>\u8be5\u6a21\u5757\u53ea\u662f\u5bf9\u7cfb\u7edf\u63a5\u53e3\u7684\u5c01\u88c5\u6ca1\u6709\u591a\u5c11\u5b9e\u73b0\u7ec6\u8282&#xff0c;\u4e3b\u8981\u5c31\u662f\u8981\u5224\u65ad\u8fd9\u51e0\u4e2a\u7cfb\u7edf\u63a5\u53e3\u5904\u7406\u7684\u8fd4\u56de\u503c\u662f\u5426\u6b63\u5e38&#xff0c;\u4e0d\u6b63\u5e38\u6253\u5370\u51fa\u65e5\u5fd7&#xff0c;\u5230\u65f6\u5019\u51fa\u9519\u53ef\u4ee5\u67e5\u770b\u54ea\u91cc\u51fa\u9519\u8fdb\u884c\u4fee\u6b63<\/p>\n<p>\u552f\u4e00\u9700\u8981\u6ce8\u610f\u7684\u7ec6\u8282\u662fPoller\u4e2d\u63cf\u8ff0\u7b26\u4e0eChannel\u5bf9\u5e94\u7684\u54c8\u5e0c\u8868\u4e2d\u5b58\u50a8\u7684\u662f\u5bf9\u5e94Channel\u5bf9\u8c61\u7684\u6307\u9488&#xff0c;\u8fd9\u6837\u5728\u76d1\u542c\u5230\u4e8b\u4ef6\u89e6\u53d1\u540e\u53ef\u4ee5\u76f4\u63a5\u4fee\u6539\u5bf9\u5e94Channel\u4e2d\u7684\u5f53\u524d\u89e6\u53d1\u4e8b\u4ef6\u6210\u5458<\/p>\n<p>\u5177\u4f53\u7684\u5b9e\u73b0\u4ee3\u7801\u8bf7\u770b\u6587\u7ae0\u7ed3\u5c3e\u7684\u6a21\u5757\u4ee3\u7801\u90e8\u5206<\/p>\n<h4>TimerWheel\u6a21\u5757<\/h4>\n<p>\u8fd9\u4e2a\u6a21\u5757\u7684\u8bbe\u8ba1\u4ee5\u53ca\u5b9e\u73b0\u5728\u9879\u76ee\u51c6\u5907\u90e8\u5206\u5df2\u7ecf\u8be6\u7ec6\u9610\u8ff0\u8fc7\u4e86&#xff0c;\u540c\u65f6Linux\u5b9a\u65f6\u5668\u7684\u53c2\u6570\u548c\u8fd4\u56de\u503c\u4ee5\u53ca\u4f7f\u7528\u65b9\u6cd5\u5df2\u7ecf\u5c55\u793a\u8fc7\u4e86&#xff0c;\u5c31\u4e0d\u91cd\u590d\u4e86&#xff0c;\u4e0b\u9762\u5c31\u5c55\u793a\u4e00\u4e9b\u65b0\u589e\u63a5\u53e3\u4ee5\u53ca\u4e00\u4e9b\u5b9e\u73b0\u7ec6\u8282<\/p>\n<p>\u65b0\u589e\u63a5\u53e3<\/p>\n<p>\u5bf9\u5916\u63a5\u53e3<\/p>\n<ul>\n<li>\u8fd0\u8f6c\u65f6\u95f4\u8f6e\u63a5\u53e3<\/li>\n<\/ul>\n<p>\u5185\u90e8\u63a5\u53e3<\/p>\n<ul>\n<li>\u4ece\u5b9a\u65f6\u5668\u63cf\u8ff0\u7b26\u4e2d\u8bfb\u53d6\u8d85\u65f6\u4e86\u591a\u5c11\u6b21\u63a5\u53e3<\/li>\n<\/ul>\n<p>\u6a21\u5757\u5b9e\u73b0\u7ec6\u8282<\/p>\n<p>\u9996\u5148\u5c31\u662f\u5bf9\u589e\u6dfb\u3001\u5237\u65b0\u3001\u5220\u9664\u5b9a\u65f6\u4efb\u52a1\u7684\u63a5\u53e3\u8fdb\u884c\u5c01\u88c5&#xff0c;\u5c01\u88c5\u65f6\u9700\u8981\u5c06\u8be5\u4efb\u52a1\u653e\u5165EventLoop\u4e2d\u7684\u4efb\u52a1\u961f\u5217\u4e2d&#xff0c;\u56e0\u4e3a\u5b58\u5728\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898<\/p>\n<p>\u5176\u6b21\u662f\u5224\u65ad\u67d0\u5b9a\u65f6\u4efb\u52a1\u662f\u5426\u5b58\u5728\u5b58\u5728\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898&#xff0c;\u7531\u4e8e\u8be5\u51fd\u6570\u5177\u6709\u8fd4\u56de\u503c\u65e0\u6cd5\u653e\u5165\u4efb\u52a1\u961f\u5217&#xff0c;\u53ef\u4ee5\u76f4\u63a5\u52a0\u9501\u89e3\u51b3&#xff0c;\u4e5f\u53ef\u4ee5\u5728\u6574\u4f53\u5b9e\u73b0\u4e0a\u8ba9\u8be5\u51fd\u6570\u53ea\u5728\u5bf9\u5e94\u7684EventLoop\u7ebf\u7a0b\u4e2d\u6267\u884c\u5373\u53ef<\/p>\n<p>\u7136\u540e\u5c31\u662f\u65b0\u589e\u63a5\u53e3&#xff0c;\u4e00\u4e2a\u662f\u4ece\u5b9a\u65f6\u5668\u4e2d\u8bfb\u53d6\u8d85\u65f6\u6b21\u6570&#xff0c;\u5b9a\u65f6\u5668\u662f\u5185\u6838\u5728\u6bcf\u6b21\u8d85\u65f6\u4f1a\u8ba9\u5b9a\u65f6\u5668\u4e2d\u8d85\u65f6\u6b21\u6570\u52a0\u4e00&#xff0c;\u7136\u540e\u8bfb\u53d6\u540e\u8d85\u65f6\u6b21\u6570\u91cd\u7f6e&#xff0c;\u90a3\u4e48\u53ea\u9700\u8bbe\u7f6e\u5b9a\u65f6\u5668\u8d85\u65f6\u65f6\u95f4\u4e3a\u4e00\u79d2&#xff0c;\u7136\u540e\u8ba9Poller\u76d1\u63a7\u5b9a\u65f6\u5668\u63cf\u8ff0\u7b26\u7684\u53ef\u8bfb\u4e8b\u4ef6\u76d1\u63a7&#xff0c;\u7136\u540e\u5c06\u8fd0\u8f6c\u65f6\u95f4\u8f6e\u63a5\u53e3\u8bbe\u7f6e\u6210\u5b9a\u65f6\u5668\u63cf\u8ff0\u7b26\u5bf9\u5e94\u7684Channel\u4e2d\u7684\u53ef\u8bfb\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570&#xff0c;\u5f53\u8d85\u65f6\u65f6\u5185\u6838\u5411\u63cf\u8ff0\u7b26\u4e2d\u5199\u6570\u636e\u5c31\u4f1a\u89e6\u53d1\u63cf\u8ff0\u7b26\u7684\u53ef\u8bfb\u4e8b\u4ef6&#xff0c;\u5c31\u4f1a\u8fd0\u8f6c\u65f6\u95f4\u8f6e&#xff0c;\u800c\u8fd0\u8f6c\u65f6\u95f4\u8f6e\u524d\u5148\u8bfb\u51fa\u8d85\u65f6\u6b21\u6570&#xff08;\u56e0\u4e3a\u53ef\u80fd\u4f1a\u56e0\u4e3a\u5176\u4ed6\u539f\u56e0\u963b\u585e\u5bfc\u81f4\u4e0d\u80fd\u7b2c\u4e00\u65f6\u95f4\u8bfb\u51fa\u8d85\u65f6\u6b21\u6570&#xff0c;\u540e\u9762\u5728\u7a0b\u5e8f\u8c03\u8bd5\u8fc7\u7a0b\u4e2d\u9700\u8981\u6ce8\u610f\u8fd9\u4e2a\u95ee\u9898&#xff0c;\u53ef\u80fd\u5728\u8c03\u8bd5\u7684\u73af\u5883\u4e0b\u6709\u4e9b\u4f1a\u51fa\u9519&#xff0c;\u56e0\u4e3a\u8c03\u8bd5\u7684\u65f6\u5019\u5b9a\u65f6\u5668\u662f\u6b63\u5e38\u8fd0\u4f5c\u7684&#xff0c;\u8be5\u5b9a\u65f6\u5668\u7684\u539f\u7406\u5c31\u662f\u57fa\u4e8eLinux\u5f00\u673a\u65f6\u95f4\u4f5c\u4e3a\u76f8\u5bf9\u65f6\u95f4\u8ba1\u7b97\u7684\u8d85\u65f6\u6b21\u6570&#xff09;\u8d85\u65f6\u591a\u5c11\u6b21\u5c31\u5c06\u6307\u9488\u5411\u540e\u79fb\u52a8\u591a\u5c11\u6b65<\/p>\n<p>\u6700\u540e\u5bf9\u5b9a\u65f6\u4efb\u52a1\u7684\u64cd\u4f5c\u5c01\u88c5\u80af\u5b9a\u8981\u8c03\u7528EventLoop\u4e2d\u7684\u63a5\u53e3&#xff0c;\u90a3\u4e48\u50cfChannel\u6a21\u5757\u4e00\u6837\u6210\u5458\u4e2d\u52a0\u5165\u4e00\u4e2aEventLoop\u5bf9\u8c61\u6307\u9488&#xff0c;\u540c\u6837&#xff0c;\u51fd\u6570\u76ee\u524d\u662f\u5728\u7c7b\u5185\u58f0\u660e&#xff0c;\u5b9e\u73b0\u9700\u8981\u653e\u5230EventLoop\u6a21\u5757\u540e\u9762\u8fdb\u884c\u5b9e\u73b0<\/p>\n<p>\u5177\u4f53\u7684\u5b9e\u73b0\u4ee3\u7801\u8bf7\u770b\u6587\u7ae0\u7ed3\u5c3e\u7684\u6a21\u5757\u4ee3\u7801\u90e8\u5206<\/p>\n<h4>EventLoop\u6a21\u5757<\/h4>\n<p>\u8be5\u6a21\u5757\u4e3b\u8981\u5c31\u662f\u5bf9\u4e0a\u9762\u6a21\u5757\u7684\u6574\u5408&#xff0c;\u57fa\u672c\u5b9e\u73b0\u601d\u60f3\u5e76\u4e0d\u590d\u6742&#xff0c;\u53ea\u8981\u7406\u6e05\u8fd9\u51e0\u4e2a\u6a21\u5757\u4e4b\u95f4\u7684\u5173\u7cfb\u5373\u53ef<\/p>\n<p>\u6a21\u5757\u63a5\u53e3<\/p>\n<p>\u5bf9\u5916\u63a5\u53e3<\/p>\n<ul>\n<li>\u5c06\u4efb\u52a1\u653e\u5165\u4efb\u52a1\u961f\u5217\u63a5\u53e3<\/li>\n<li>\u5bf9\u5224\u65ad\u662f\u5426\u5904\u5728\u5bf9\u5e94\u7ebf\u7a0b\u64cd\u4f5c\u8fdb\u884c\u65ad\u8a00\u63a5\u53e3<\/li>\n<li>\u5f00\u59cb\u4e8b\u4ef6\u8f6e\u8be2\u76d1\u63a7\u6267\u884c\u63a5\u53e3<\/li>\n<li>\u6267\u884c\u4efb\u52a1\u63a5\u53e3<\/li>\n<li>\u66f4\u65b0\u3001\u5220\u9664Poller\u4e2d\u7684\u4e8b\u4ef6\u76d1\u63a7\u63a5\u53e3<\/li>\n<li>\u6dfb\u52a0\u3001\u5237\u65b0\u3001\u5220\u9664\u5b9a\u65f6\u4efb\u52a1\u63a5\u53e3<\/li>\n<li>\u5224\u65ad\u5b9a\u65f6\u4efb\u52a1\u662f\u5426\u5b58\u5728\u63a5\u53e3<\/li>\n<\/ul>\n<p> <span class=\"token comment\">\/\/ \u5c06\u4efb\u52a1\u653e\u5165\u4efb\u52a1\u961f\u5217\u4e2d<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">InsertTaskPool<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Function <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5bf9\u5224\u65ad\u5bf9\u5e94\u7ebf\u7a0b\u64cd\u4f5c\u8fdb\u884c\u65ad\u8a00<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">AssertInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5f00\u59cb\u4e8b\u4ef6\u8f6e\u8be2\u76d1\u63a7\u6267\u884c<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6267\u884c\u4efb\u52a1&#xff0c;\u5982\u5728\u5bf9\u5e94\u7ebf\u7a0b\u76f4\u63a5\u6267\u884c&#xff0c;\u4e0d\u5728\u5219\u653e\u5165\u4efb\u52a1\u961f\u5217\u4e2d<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">RunInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Function <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u66f4\u65b0Poller\u4e2d\u7684\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">UpdateChannel<\/span><span class=\"token punctuation\">(<\/span>ns_eventloop<span class=\"token operator\">::<\/span>Channel <span class=\"token operator\">*<\/span>ch<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u79fb\u9664Poller\u4e2d\u7684\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">RemoveChannel<\/span><span class=\"token punctuation\">(<\/span>ns_eventloop<span class=\"token operator\">::<\/span>Channel <span class=\"token operator\">*<\/span>ch<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/\u6dfb\u52a0\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">AddTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint64_t<\/span> timeout<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> Function <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5237\u65b0\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">RefreshTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u53d6\u6d88\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">CancelTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5224\u65ad\u5b9a\u65f6\u4efb\u52a1\u662f\u5426\u5b58\u5728<\/span><br \/>\n<span class=\"token keyword\">bool<\/span> <span class=\"token function\">ExistTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u5185\u90e8\u63a5\u53e3<\/p>\n<ul>\n<li>\u6267\u884c\u4efb\u52a1\u961f\u5217\u4e2d\u7684\u4efb\u52a1\u63a5\u53e3<\/li>\n<li>\u521b\u5efa\u4e8b\u4ef6\u63cf\u8ff0\u7b26fd\u63a5\u53e3<\/li>\n<li>\u8bfb\u53d6\u4e8b\u4ef6\u63cf\u8ff0\u7b26\u7684\u6570\u636e<\/li>\n<li>\u5411\u4e8b\u4ef6\u63cf\u8ff0\u7b26\u4e2d\u5199\u5165\u6570\u636e<\/li>\n<li>\u5224\u65ad\u5f53\u524d\u662f\u5426\u5904\u4e8e\u5bf9\u5e94\u7ebf\u7a0b\u63a5\u53e3<\/li>\n<\/ul>\n<p> <span class=\"token comment\">\/\/ \u6267\u884c\u4efb\u52a1\u961f\u5217\u4e2d\u7684\u4efb\u52a1<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">RunAllTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u521b\u5efa\u4e8b\u4ef6\u63cf\u8ff0\u7b26fd<\/span><br \/>\n<span class=\"token keyword\">static<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">CreateEventFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u8bfb\u53d6\u4e8b\u4ef6\u63cf\u8ff0\u7b26\u7684\u6570\u636e<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">ReadEventFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5411\u4e8b\u4ef6\u63cf\u8ff0\u7b26\u4e2d\u5199\u5165\u6570\u636e<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">WeakUpEventFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5224\u65ad\u5f53\u524d\u662f\u5426\u5904\u4e8e\u5bf9\u5e94\u7ebf\u7a0b<\/span><br \/>\n<span class=\"token keyword\">bool<\/span> <span class=\"token function\">IsInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u6a21\u5757\u5b9e\u73b0\u7ec6\u8282<\/p>\n<p>\u9996\u5148\u5c31\u662f\u548c\u4e0a\u9762\u65f6\u95f4\u8f6e\u4e00\u6837\u7684\u64cd\u4f5c&#xff0c;\u5c06\u4e8b\u4ef6\u63cf\u8ff0\u7b26\u7684\u76d1\u63a7\u6dfb\u52a0\u8fdbPoller\u4e2d\u5e76\u8bbe\u7f6e\u6307\u5b9aChannel\u5bf9\u8c61\u7684\u53ef\u8bfb\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570\u4e3a\u8bfb\u53d6\u4e8b\u4ef6\u63cf\u8ff0\u7b26\u7684\u6570\u636e\u63a5\u53e3&#xff0c;\u7136\u540e\u542f\u52a8Channel\u4e2d\u7684\u53ef\u8bfb\u4e8b\u4ef6\u76d1\u63a7&#xff0c;\u6bcf\u6b21\u5c06\u4efb\u52a1\u653e\u5165\u4efb\u52a1\u961f\u5217\u540e\u5c31\u4f1a\u5524\u9192Poller\u4e2d\u7b49\u5f85\u4e8b\u4ef6\u5c31\u7eea\u7684\u963b\u585e&#xff0c;\u7136\u540e\u5c31\u4f1a\u7acb\u5373\u6267\u884c\u4efb\u52a1\u961f\u5217\u4e2d\u7684\u4efb\u52a1<\/p>\n<p>\u5176\u6b21\u5c31\u662f\u5728\u6267\u884c\u4efb\u52a1\u961f\u5217\u4e2d\u7684\u4efb\u52a1\u65f6\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a\u4e34\u65f6\u5bf9\u8c61\u6765\u5b58\u653e\u4ece\u4efb\u52a1\u961f\u5217\u4e2d\u53d6\u51fa\u7684\u4efb\u52a1&#xff0c;\u5f53\u7136\u8fd9\u4e2a\u8fc7\u7a0b\u9700\u8981\u52a0\u9501&#xff0c;\u907f\u514d\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898&#xff0c;\u53d6\u51fa\u4e4b\u540e\u76f4\u63a5\u9010\u4e00\u5b9e\u73b0\u5373\u53ef<\/p>\n<p>\u7136\u540e\u83b7\u53d6\u5f53\u524d\u7ebf\u7a0b\u53ef\u4ee5\u4f7f\u7528std::this_thread::get_id()\u63a5\u53e3<\/p>\n<p>\u6700\u540e\u5c31\u662f\u5f00\u59cb\u4e8b\u4ef6\u8f6e\u8be2\u76d1\u63a7\u6267\u884c\u5e94\u8be5\u4f7f\u7528\u4e00\u4e2awhile(1)\u5b9e\u73b0\u4e8b\u4ef6\u76d1\u63a7\u5e76\u6267\u884c\u7684\u8f6e\u8be2<\/p>\n<p>\u5177\u4f53\u7684\u5b9e\u73b0\u4ee3\u7801\u8bf7\u770b\u6587\u7ae0\u7ed3\u5c3e\u7684\u6a21\u5757\u4ee3\u7801\u90e8\u5206<\/p>\n<hr \/>\n<h3>4. \u6a21\u5757\u6d4b\u8bd5<\/h3>\n<p>\u6d4b\u8bd5\u4ee3\u7801<\/p>\n<p><span class=\"token comment\">\/\/ \u670d\u52a1\u7aef<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;..\/code\/socket.hpp&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;..\/code\/log.hpp&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;..\/code\/eventloop.hpp&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">HandleClose<\/span><span class=\"token punctuation\">(<\/span>ns_eventloop<span class=\"token operator\">::<\/span>Channel <span class=\"token operator\">*<\/span>ch<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    ch<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">Remove<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>NORMAL<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Close Fd: &#034;<\/span> <span class=\"token operator\">&#043;<\/span> std<span class=\"token operator\">::<\/span><span class=\"token function\">to_string<\/span><span class=\"token punctuation\">(<\/span>ch<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">GetFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">delete<\/span> ch<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">HandleRead<\/span><span class=\"token punctuation\">(<\/span>ns_eventloop<span class=\"token operator\">::<\/span>Channel <span class=\"token operator\">*<\/span>ch<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> fd <span class=\"token operator\">&#061;<\/span> ch<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">GetFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">char<\/span> buf<span class=\"token punctuation\">[<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">recv<\/span><span class=\"token punctuation\">(<\/span>fd<span class=\"token punctuation\">,<\/span> buf<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1023<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">HandleClose<\/span><span class=\"token punctuation\">(<\/span>ch<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>NORMAL<span class=\"token punctuation\">,<\/span> buf<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    ch<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">EnableWrite<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">HandleWrite<\/span><span class=\"token punctuation\">(<\/span>ns_eventloop<span class=\"token operator\">::<\/span>Channel <span class=\"token operator\">*<\/span>ch<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> fd <span class=\"token operator\">&#061;<\/span> ch<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">GetFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>s <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;xiaomi su7max&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>fd<span class=\"token punctuation\">,<\/span> s<span class=\"token punctuation\">,<\/span> <span class=\"token function\">strlen<\/span><span class=\"token punctuation\">(<\/span>s<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">HandleClose<\/span><span class=\"token punctuation\">(<\/span>ch<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    ch<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">DisableWrite<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">HandleError<\/span><span class=\"token punctuation\">(<\/span>ns_eventloop<span class=\"token operator\">::<\/span>Channel <span class=\"token operator\">*<\/span>ch<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">HandleClose<\/span><span class=\"token punctuation\">(<\/span>ch<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">HandleAnyEvent<\/span><span class=\"token punctuation\">(<\/span>ns_eventloop<span class=\"token operator\">::<\/span>EventLoop <span class=\"token operator\">*<\/span>loop<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">,<\/span> ns_eventloop<span class=\"token operator\">::<\/span>Channel <span class=\"token operator\">*<\/span>ch<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">RefreshTimerTask<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Accept<\/span><span class=\"token punctuation\">(<\/span>ns_eventloop<span class=\"token operator\">::<\/span>EventLoop <span class=\"token operator\">*<\/span>loop<span class=\"token punctuation\">,<\/span> ns_eventloop<span class=\"token operator\">::<\/span>Channel <span class=\"token operator\">*<\/span>ls_ch<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> fd <span class=\"token operator\">&#061;<\/span> ls_ch<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">GetFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> newfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">accept<\/span><span class=\"token punctuation\">(<\/span>fd<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>newfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>DEBUG<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;accept failed&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">uint64_t<\/span> id <span class=\"token operator\">&#061;<\/span> fd<span class=\"token punctuation\">;<\/span><br \/>\n    ns_eventloop<span class=\"token operator\">::<\/span>Channel <span class=\"token operator\">*<\/span>newch <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> ns_eventloop<span class=\"token operator\">::<\/span><span class=\"token function\">Channel<\/span><span class=\"token punctuation\">(<\/span>newfd<span class=\"token punctuation\">,<\/span> loop<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    newch<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SetReadCallBack<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>HandleRead<span class=\"token punctuation\">,<\/span> newch<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    newch<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SetWriteCallBack<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>HandleWrite<span class=\"token punctuation\">,<\/span> newch<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    newch<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SetErrorCallBack<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>HandleError<span class=\"token punctuation\">,<\/span> newch<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    newch<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SetCloseCallBack<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>HandleClose<span class=\"token punctuation\">,<\/span> newch<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    newch<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SetAnyEventCallBack<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>HandleAnyEvent<span class=\"token punctuation\">,<\/span> loop<span class=\"token punctuation\">,<\/span> id<span class=\"token punctuation\">,<\/span> newch<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">AddTimerTask<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">,<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span>HandleClose<span class=\"token punctuation\">,<\/span> newch<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    newch<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">EnableRead<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    ns_eventloop<span class=\"token operator\">::<\/span>EventLoop loop<span class=\"token punctuation\">;<\/span><br \/>\n    ns_socket<span class=\"token operator\">::<\/span>Socket svr_socket<span class=\"token punctuation\">;<\/span><br \/>\n    svr_socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">CreateServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">8081<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    ns_eventloop<span class=\"token operator\">::<\/span>Channel <span class=\"token function\">channel<\/span><span class=\"token punctuation\">(<\/span>svr_socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">GetFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>loop<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">SetReadCallBack<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>Accept<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>loop<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>channel<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">EnableRead<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    loop<span class=\"token punctuation\">.<\/span><span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    svr_socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">Close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token comment\">\/\/ \u5ba2\u6237\u7aef<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;..\/code\/socket.hpp&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;unistd.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    ns_socket<span class=\"token operator\">::<\/span>Socket cli_socket<span class=\"token punctuation\">;<\/span><br \/>\n    cli_socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">CreateClient<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">8081<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;127.0.0.1&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>string str <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;xiaomi su7ultra&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        cli_socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">Send<\/span><span class=\"token punctuation\">(<\/span>str<span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> str<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">char<\/span> buf<span class=\"token punctuation\">[<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        cli_socket<span class=\"token punctuation\">.<\/span><span class=\"token function\">Recv<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>buf<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1023<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>NORMAL<span class=\"token punctuation\">,<\/span> buf<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">sleep<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4e0a\u9762\u7684\u6d4b\u8bd5\u4ee3\u7801\u6d4b\u8bd5\u4e86\u4e8b\u4ef6\u76d1\u63a7\u4ee5\u53ca\u8d85\u65f6\u8fde\u63a5\u91ca\u653e\u7b49\u529f\u80fd<\/p>\n<p>\u6d4b\u8bd5\u7ed3\u679c<\/p>\n<p><span class=\"token punctuation\">.<\/span><span class=\"token operator\">\/<\/span>Server<br \/>\n<span class=\"token punctuation\">[<\/span>Level# NORMAL<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>time# <span class=\"token number\">2025<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">04<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">04<\/span> <span class=\"token number\">21<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">34<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">30<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>File# test_eventloop_server<span class=\"token punctuation\">.<\/span>cc<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>Line# <span class=\"token number\">27<\/span><span class=\"token punctuation\">]<\/span>Message# xiaomi su7ultra<br \/>\n<span class=\"token punctuation\">[<\/span>Level# NORMAL<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>time# <span class=\"token number\">2025<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">04<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">04<\/span> <span class=\"token number\">21<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">34<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">31<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>File# test_eventloop_server<span class=\"token punctuation\">.<\/span>cc<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>Line# <span class=\"token number\">27<\/span><span class=\"token punctuation\">]<\/span>Message# xiaomi su7ultra<br \/>\n<span class=\"token punctuation\">[<\/span>Level# NORMAL<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>time# <span class=\"token number\">2025<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">04<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">04<\/span> <span class=\"token number\">21<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">34<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">32<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>File# test_eventloop_server<span class=\"token punctuation\">.<\/span>cc<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>Line# <span class=\"token number\">27<\/span><span class=\"token punctuation\">]<\/span>Message# xiaomi su7ultra<br \/>\n<span class=\"token punctuation\">[<\/span>Level# NORMAL<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>time# <span class=\"token number\">2025<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">04<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">04<\/span> <span class=\"token number\">21<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">34<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">33<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>File# test_eventloop_server<span class=\"token punctuation\">.<\/span>cc<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>Line# <span class=\"token number\">27<\/span><span class=\"token punctuation\">]<\/span>Message# xiaomi su7ultra<br \/>\n<span class=\"token punctuation\">[<\/span>Level# NORMAL<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>time# <span class=\"token number\">2025<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">04<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">04<\/span> <span class=\"token number\">21<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">34<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">34<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>File# test_eventloop_server<span class=\"token punctuation\">.<\/span>cc<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>Line# <span class=\"token number\">27<\/span><span class=\"token punctuation\">]<\/span>Message# xiaomi su7ultra<br \/>\n<span class=\"token punctuation\">[<\/span>Level# NORMAL<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>time# <span class=\"token number\">2025<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">04<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">04<\/span> <span class=\"token number\">21<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">34<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">44<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>File# test_eventloop_server<span class=\"token punctuation\">.<\/span>cc<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>Line# <span class=\"token number\">10<\/span><span class=\"token punctuation\">]<\/span>Message# Close Fd<span class=\"token operator\">:<\/span> <span class=\"token number\">7<\/span><\/p>\n<p><span class=\"token punctuation\">.<\/span><span class=\"token operator\">\/<\/span>Client<br \/>\n<span class=\"token punctuation\">[<\/span>Level# NORMAL<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>time# <span class=\"token number\">2025<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">04<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">04<\/span> <span class=\"token number\">21<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">34<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">30<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>File# test_eventloop_client<span class=\"token punctuation\">.<\/span>cc<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>Line# <span class=\"token number\">29<\/span><span class=\"token punctuation\">]<\/span>Message# xiaomi su7max<br \/>\n<span class=\"token punctuation\">[<\/span>Level# NORMAL<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>time# <span class=\"token number\">2025<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">04<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">04<\/span> <span class=\"token number\">21<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">34<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">31<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>File# test_eventloop_client<span class=\"token punctuation\">.<\/span>cc<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>Line# <span class=\"token number\">29<\/span><span class=\"token punctuation\">]<\/span>Message# xiaomi su7max<br \/>\n<span class=\"token punctuation\">[<\/span>Level# NORMAL<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>time# <span class=\"token number\">2025<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">04<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">04<\/span> <span class=\"token number\">21<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">34<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">32<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>File# test_eventloop_client<span class=\"token punctuation\">.<\/span>cc<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>Line# <span class=\"token number\">29<\/span><span class=\"token punctuation\">]<\/span>Message# xiaomi su7max<br \/>\n<span class=\"token punctuation\">[<\/span>Level# NORMAL<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>time# <span class=\"token number\">2025<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">04<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">04<\/span> <span class=\"token number\">21<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">34<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">33<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>File# test_eventloop_client<span class=\"token punctuation\">.<\/span>cc<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>Line# <span class=\"token number\">29<\/span><span class=\"token punctuation\">]<\/span>Message# xiaomi su7max<br \/>\n<span class=\"token punctuation\">[<\/span>Level# NORMAL<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>time# <span class=\"token number\">2025<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">04<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">04<\/span> <span class=\"token number\">21<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">34<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">34<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>File# test_eventloop_client<span class=\"token punctuation\">.<\/span>cc<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>Line# <span class=\"token number\">29<\/span><span class=\"token punctuation\">]<\/span>Message# xiaomi su7max<\/p>\n<p>\u6d4b\u8bd5\u7ed3\u679c\u6765\u770b\u90fd\u6b63\u5e38&#xff0c;10\u79d2\u4e5f\u80fd\u6b63\u5e38\u8fde\u63a5\u91ca\u653e<\/p>\n<p>\u6ce8&#xff1a;\u5982\u679c\u7a0b\u5e8f\u51fa\u73b0\u4efb\u4f55\u9519\u8bef&#xff0c;\u7b2c\u4e00\u65f6\u95f4\u5148\u770b\u4ee3\u7801\u662f\u5426\u51fa\u73b0\u4e00\u773c\u5c31\u80fd\u770b\u5230\u7684\u9519\u8bef&#xff0c;\u7136\u540e\u518d\u8c03\u8bd5\u627e\u7ec6\u5c0f\u9519\u8bef&#xff0c;\u5982\u679c\u5b9e\u5728\u627e\u4e0d\u51fa&#xff0c;\u5c06\u95ee\u9898\u4ee5\u53ca\u51fa\u9519\u4f4d\u7f6e\u53d1\u5230\u8bc4\u8bba\u533a&#xff0c;\u535a\u4e3b\u4f1a\u8fdb\u884c\u5e2e\u52a9\u7684<\/p>\n<hr \/>\n<h3>5. \u6a21\u5757\u4ee3\u7801<\/h3>\n<h4>Channel\u6a21\u5757\u4ee3\u7801<\/h4>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">EventLoop<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">typedef<\/span> std<span class=\"token operator\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span> EventCallBack<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Channel<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _fd<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ ns_poller::Poller *_poller;<\/span><br \/>\n    EventLoop <span class=\"token operator\">*<\/span>_loop<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">uint32_t<\/span> _event<span class=\"token punctuation\">;<\/span>                  <span class=\"token comment\">\/\/ \u76d1\u542c\u4e8b\u4ef6<\/span><br \/>\n    <span class=\"token keyword\">uint32_t<\/span> _revent<span class=\"token punctuation\">;<\/span>                 <span class=\"token comment\">\/\/ \u5f53\u524d\u5c31\u7eea\u4e8b\u4ef6<\/span><br \/>\n    EventCallBack _read_callback<span class=\"token punctuation\">;<\/span>     <span class=\"token comment\">\/\/ \u8bfb\u4e8b\u4ef6\u89e6\u53d1\u56de\u8c03\u51fd\u6570<\/span><br \/>\n    EventCallBack _write_callback<span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ \u5199\u4e8b\u4ef6\u89e6\u53d1\u56de\u8c03\u51fd\u6570<\/span><br \/>\n    EventCallBack _error_callback<span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ \u9519\u8bef\u4e8b\u4ef6\u89e6\u53d1\u56de\u8c03\u51fd\u6570<\/span><br \/>\n    EventCallBack _close_callback<span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ \u8fde\u63a5\u5173\u95ed\u4e8b\u4ef6\u89e6\u53d1\u56de\u8c03\u51fd\u6570<\/span><br \/>\n    EventCallBack _anyevent_callback<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u4efb\u610f\u4e8b\u4ef6\u89e6\u53d1\u56de\u8c03\u51fd\u6570<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">Channel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> fd<span class=\"token punctuation\">,<\/span> EventLoop <span class=\"token operator\">*<\/span>loop<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">_fd<\/span><span class=\"token punctuation\">(<\/span>fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_event<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_revent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_loop<\/span><span class=\"token punctuation\">(<\/span>loop<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u83b7\u53d6\u63cf\u8ff0\u7b26fd<\/span><br \/>\n    <span class=\"token keyword\">inline<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">GetFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> _fd<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u83b7\u53d6\u5f53\u524d\u76d1\u63a7\u7684\u4e8b\u4ef6<\/span><br \/>\n    <span class=\"token keyword\">inline<\/span> <span class=\"token keyword\">uint32_t<\/span> <span class=\"token function\">GetEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> _event<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u5f53\u524d\u76d1\u63a7\u7684\u63cf\u8ff0\u7b26\u6240\u89e6\u53d1\u7684\u4e8b\u4ef6<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">uint32_t<\/span> event<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _revent <span class=\"token operator\">&#061;<\/span> event<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u53ef\u8bfb\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetReadCallBack<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> EventCallBack <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _read_callback <span class=\"token operator\">&#061;<\/span> cb<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u53ef\u5199\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetWriteCallBack<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> EventCallBack <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _write_callback <span class=\"token operator\">&#061;<\/span> cb<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u9519\u8bef\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetErrorCallBack<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> EventCallBack <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _error_callback <span class=\"token operator\">&#061;<\/span> cb<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u5173\u95ed\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetCloseCallBack<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> EventCallBack <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _close_callback <span class=\"token operator\">&#061;<\/span> cb<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u4efb\u610f\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetAnyEventCallBack<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> EventCallBack <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _anyevent_callback <span class=\"token operator\">&#061;<\/span> cb<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5224\u65ad\u662f\u5426\u76d1\u63a7\u4e86\u53ef\u8bfb\u4e8b\u4ef6<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">IsReadEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span>_event <span class=\"token operator\">&amp;<\/span> EPOLLIN<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5224\u65ad\u662f\u5426\u76d1\u63a7\u4e86\u53ef\u5199\u4e8b\u4ef6<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">IsWriteEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span>_event <span class=\"token operator\">&amp;<\/span> EPOLLOUT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u542f\u52a8\u53ef\u8bfb\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">EnableRead<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _event <span class=\"token operator\">|&#061;<\/span> EPOLLIN<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u542f\u52a8\u53ef\u5199\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">EnableWrite<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _event <span class=\"token operator\">|&#061;<\/span> EPOLLOUT<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5173\u95ed\u53ef\u8bfb\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">DisableRead<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _event <span class=\"token operator\">&amp;&#061;<\/span> <span class=\"token operator\">~<\/span>EPOLLIN<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5173\u95ed\u53ef\u5199\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">DisableWrite<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _event <span class=\"token operator\">&amp;&#061;<\/span> <span class=\"token operator\">~<\/span>EPOLLOUT<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5173\u95ed\u6240\u6709\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">DisableEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _event <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6dfb\u52a0\u6216\u66f4\u65b0Poller\u4e2d\u7684\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u79fb\u9664Poller\u4e2d\u7684\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Remove<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6267\u884c\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">HandleEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>_revent <span class=\"token operator\">&amp;<\/span> EPOLLIN<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span>_revent <span class=\"token operator\">&amp;<\/span> EPOLLRDHUP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span>_revent <span class=\"token operator\">&amp;<\/span> EPOLLPRI<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_anyevent_callback<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token function\">_anyevent_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ LOG(DEBUG, &#034;READ&#034;);<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_read_callback<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token function\">_read_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_revent <span class=\"token operator\">&amp;<\/span> EPOLLOUT<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_anyevent_callback<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token function\">_anyevent_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ LOG(DEBUG, &#034;Write&#034;);<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_write_callback<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token function\">_write_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_revent <span class=\"token operator\">&amp;<\/span> EPOLLERR<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_anyevent_callback<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token function\">_anyevent_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ LOG(DEBUG, &#034;ERROR&#034;);<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_error_callback<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token function\">_error_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_revent <span class=\"token operator\">&amp;<\/span> EPOLLHUP<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_anyevent_callback<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token function\">_anyevent_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ LOG(DEBUG, &#034;CLOSE&#034;);<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_close_callback<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token function\">_close_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/&#8230;<\/span><br \/>\n<span class=\"token comment\">\/\/EventLoop\u6a21\u5757\u5b9e\u73b0\u5b8c<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token class-name\">Channel<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">UpdateChannel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token class-name\">Channel<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">Remove<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">RemoveChannel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>Poller\u6a21\u5757\u4ee3\u7801<\/h4>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">MAX_EPOLLEVENTS<\/span> <span class=\"token expression\"><span class=\"token number\">1024<\/span><\/span><\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Poller<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _epollfd<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">epoll_event<\/span> _evts<span class=\"token punctuation\">[<\/span>MAX_EPOLLEVENTS<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>unordered_map<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">,<\/span> Channel <span class=\"token operator\">*<\/span><span class=\"token operator\">&gt;<\/span> _channels<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">Poller<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _epollfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">epoll_create<\/span><span class=\"token punctuation\">(<\/span>MAX_EPOLLEVENTS<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_epollfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>FATAL<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Epollfd Create Failed&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u66f4\u65b0\u6216\u6dfb\u52a0\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span>Channel <span class=\"token operator\">*<\/span>ch<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">bool<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ExistChannel<\/span><span class=\"token punctuation\">(<\/span>ch<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">GetFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _channels<span class=\"token punctuation\">[<\/span>ch<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">GetFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> ch<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">_Update<\/span><span class=\"token punctuation\">(<\/span>ch<span class=\"token punctuation\">,<\/span> EPOLL_CTL_ADD<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">else<\/span><br \/>\n            <span class=\"token function\">_Update<\/span><span class=\"token punctuation\">(<\/span>ch<span class=\"token punctuation\">,<\/span> EPOLL_CTL_MOD<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u79fb\u9664\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Remove<\/span><span class=\"token punctuation\">(<\/span>Channel <span class=\"token operator\">*<\/span>ch<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">auto<\/span> iter <span class=\"token operator\">&#061;<\/span> _channels<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>ch<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">GetFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>iter <span class=\"token operator\">!&#061;<\/span> _channels<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _channels<span class=\"token punctuation\">.<\/span><span class=\"token function\">erase<\/span><span class=\"token punctuation\">(<\/span>iter<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token function\">_Update<\/span><span class=\"token punctuation\">(<\/span>ch<span class=\"token punctuation\">,<\/span> EPOLL_CTL_DEL<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u83b7\u53d6\u89e6\u53d1\u4e8b\u4ef6<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Poll<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>Channel <span class=\"token operator\">*<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&amp;<\/span>actives<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> nfds <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">epoll_wait<\/span><span class=\"token punctuation\">(<\/span>_epollfd<span class=\"token punctuation\">,<\/span> _evts<span class=\"token punctuation\">,<\/span> MAX_EPOLLEVENTS<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>nfds <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>errno <span class=\"token operator\">&#061;&#061;<\/span> EINTR<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Epoll Wait Failed&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> nfds<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">auto<\/span> iter <span class=\"token operator\">&#061;<\/span> _channels<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>_evts<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>iter <span class=\"token operator\">&#061;&#061;<\/span> _channels<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Fd No Find&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            iter<span class=\"token operator\">-&gt;<\/span>second<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SetEvent<\/span><span class=\"token punctuation\">(<\/span>_evts<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>events<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            actives<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>iter<span class=\"token operator\">-&gt;<\/span>second<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5224\u65ad\u76d1\u542c\u4e8b\u4ef6\u4e2d\u662f\u5426\u5b58\u5728\u5bf9\u5e94\u7684Channel<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">ExistChannel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> fd<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">auto<\/span> iter <span class=\"token operator\">&#061;<\/span> _channels<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>iter <span class=\"token operator\">&#061;&#061;<\/span> _channels<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u4fee\u6539epoll\u76d1\u63a7\u7684\u4e8b\u4ef6<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">_Update<\/span><span class=\"token punctuation\">(<\/span>Channel <span class=\"token operator\">*<\/span>ch<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> op<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> fd <span class=\"token operator\">&#061;<\/span> ch<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">GetFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">epoll_event<\/span> evt<span class=\"token punctuation\">;<\/span><br \/>\n        evt<span class=\"token punctuation\">.<\/span>events <span class=\"token operator\">&#061;<\/span> ch<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">GetEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        evt<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>fd <span class=\"token operator\">&#061;<\/span> fd<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">epoll_ctl<\/span><span class=\"token punctuation\">(<\/span>_epollfd<span class=\"token punctuation\">,<\/span> op<span class=\"token punctuation\">,<\/span> fd<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>evt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Epoll Update Failed&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>TimerWheel\u6a21\u5757\u4ee3\u7801<\/h4>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">MAX_TIMEOUT<\/span> <span class=\"token expression\"><span class=\"token number\">60<\/span><\/span><\/span><br \/>\n<span class=\"token keyword\">typedef<\/span> std<span class=\"token operator\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span> Function<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TimerTask<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">uint64_t<\/span> _id<span class=\"token punctuation\">;<\/span>   <span class=\"token comment\">\/\/ \u4efb\u52a1ID<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> _canceled<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u4efb\u52a1\u72b6\u6001<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _timeout<span class=\"token punctuation\">;<\/span>   <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u7684\u8d85\u65f6\u65f6\u95f4<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5b9a\u65f6\u4efb\u52a1\u56de\u8c03\u51fd\u6570<\/span><br \/>\n    Function _taskcallback<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5c06\u4efb\u52a1\u5b8c\u5168\u4ece\u65f6\u95f4\u8f6e\u4e2d\u91ca\u653e\u6389\u7684\u56de\u8c03\u51fd\u6570&#xff0c;\u5c31\u662f\u91ca\u653e\u6389\u54c8\u5e0c\u8868\u4e2d\u7684weak_ptr<\/span><br \/>\n    Function _releasecallback<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6784\u9020\u51fd\u6570<\/span><br \/>\n    <span class=\"token function\">TimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> timeout<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">_id<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_canceled<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_timeout<\/span><span class=\"token punctuation\">(<\/span>timeout<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6790\u6784\u51fd\u6570&#xff0c;\u6761\u4ef6\u6ee1\u8db3\u518d\u6267\u884c\u5b9a\u65f6\u4efb\u52a1\u548c\u91ca\u653e\u7684\u56de\u8c03\u51fd\u6570<\/span><br \/>\n    <span class=\"token operator\">~<\/span><span class=\"token function\">TimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_releasecallback<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token function\">_releasecallback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_taskcallback <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token operator\">!<\/span>_canceled<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token function\">_taskcallback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u5b9a\u65f6\u4efb\u52a1\u56de\u8c03\u51fd\u6570<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetTaskCallBack<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Function <span class=\"token operator\">&amp;<\/span>taskcallback<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _taskcallback <span class=\"token operator\">&#061;<\/span> taskcallback<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u91ca\u653e\u7684\u56de\u8c03\u51fd\u6570<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetReleaseCallBack<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Function <span class=\"token operator\">&amp;<\/span>releasecallback<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _releasecallback <span class=\"token operator\">&#061;<\/span> releasecallback<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u83b7\u53d6\u5b9a\u65f6\u4efb\u52a1\u7684\u8d85\u65f6\u65f6\u95f4<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> <span class=\"token function\">GetTimeOut<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> _timeout<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u53d6\u6d88\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">TaskCancel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _canceled <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">typedef<\/span> std<span class=\"token operator\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>TimerTask<span class=\"token operator\">&gt;<\/span> TimerTask_SharedPtr<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">typedef<\/span> std<span class=\"token operator\">::<\/span>weak_ptr<span class=\"token operator\">&lt;<\/span>TimerTask<span class=\"token operator\">&gt;<\/span> TimerTask_WeakPtr<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TimerWheel<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _tick<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6307\u9488<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _cap<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u65f6\u95f4\u8f6e\u5bb9\u91cf<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u4e8c\u7ef4\u6570\u7ec4\u7684\u65f6\u95f4\u8f6e<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>std<span class=\"token operator\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>TimerTask_SharedPtr<span class=\"token operator\">&gt;&gt;<\/span> _clock<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5b58\u50a8\u5bf9\u8c61\u7684weak_ptr\u7684\u54c8\u5e0c\u8868<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>unordered_map<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">uint64_t<\/span><span class=\"token punctuation\">,<\/span> TimerTask_WeakPtr<span class=\"token operator\">&gt;<\/span> _timertaskhash<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>mutex _mtx<span class=\"token punctuation\">;<\/span><br \/>\n    EventLoop <span class=\"token operator\">*<\/span>_loop<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _timerfd<span class=\"token punctuation\">;<\/span><br \/>\n    Channel _timerfd_channel<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6784\u9020\u51fd\u6570<\/span><br \/>\n    <span class=\"token function\">TimerWheel<\/span><span class=\"token punctuation\">(<\/span>EventLoop <span class=\"token operator\">*<\/span>loop<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">_tick<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_cap<\/span><span class=\"token punctuation\">(<\/span>MAX_TIMEOUT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_clock<\/span><span class=\"token punctuation\">(<\/span>_cap<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_loop<\/span><span class=\"token punctuation\">(<\/span>loop<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_timerfd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">CreateTimerFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_timerfd_channel<\/span><span class=\"token punctuation\">(<\/span>_timerfd<span class=\"token punctuation\">,<\/span> _loop<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _timerfd_channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">SetReadCallBack<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TimerWheel<span class=\"token operator\">::<\/span>RunTimerTask<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _timerfd_channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">EnableRead<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8fd0\u8f6c\u65f6\u95f4\u8f6e<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">RunTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><\/p>\n<p>        <span class=\"token keyword\">int<\/span> times <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ReadTimerFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>times<span class=\"token operator\">&#8212;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">MoveTick<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5224\u65ad\u67d0\u5b9a\u65f6\u4efb\u52a1\u662f\u5426\u5b58\u5728<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">ExistTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token operator\">::<\/span>unique_lock<span class=\"token operator\">&lt;<\/span>std<span class=\"token operator\">::<\/span>mutex<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">_lock<\/span><span class=\"token punctuation\">(<\/span>_mtx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">auto<\/span> iter <span class=\"token operator\">&#061;<\/span> _timertaskhash<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>iter <span class=\"token operator\">&#061;&#061;<\/span> _timertaskhash<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6dfb\u52a0\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">AddTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint64_t<\/span> timeout<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> Function <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5237\u65b0\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">RefreshTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u53d6\u6d88\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">CancelTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u4ece\u5b9a\u65f6\u5668\u63cf\u8ff0\u7b26\u4e2d\u8bfb\u53d6\u8d85\u65f6\u4e86\u591a\u5c11\u6b21<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> <span class=\"token function\">ReadTimerFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">uint64_t<\/span> times <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span>_timerfd<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>times<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>times<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Timerfd Read Failed&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> times<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6dfb\u52a0\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">_AddTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint64_t<\/span> timeout<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> Function <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>timeout <span class=\"token operator\">&gt;<\/span> _cap <span class=\"token operator\">||<\/span> timeout <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        TimerTask_SharedPtr <span class=\"token function\">timertask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token function\">TimerTask<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">,<\/span> timeout<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        timertask<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SetTaskCallBack<\/span><span class=\"token punctuation\">(<\/span>cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        timertask<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SetReleaseCallBack<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TimerWheel<span class=\"token operator\">::<\/span>DeleteHashKey<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        _clock<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span>_tick <span class=\"token operator\">&#043;<\/span> timeout<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">%<\/span> _cap<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>timertask<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        _timertaskhash<span class=\"token punctuation\">[<\/span>id<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">TimerTask_WeakPtr<\/span><span class=\"token punctuation\">(<\/span>timertask<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5237\u65b0\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">_RefreshTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">auto<\/span> iter <span class=\"token operator\">&#061;<\/span> _timertaskhash<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>iter <span class=\"token operator\">&#061;&#061;<\/span> _timertaskhash<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>WARNING<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;No Exist &#034;<\/span> <span class=\"token operator\">&#043;<\/span> std<span class=\"token operator\">::<\/span><span class=\"token function\">to_string<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034; Task&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        TimerTask_SharedPtr newtimertask <span class=\"token operator\">&#061;<\/span> iter<span class=\"token operator\">-&gt;<\/span>second<span class=\"token punctuation\">.<\/span><span class=\"token function\">lock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> delay_pos <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>newtimertask<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">GetTimeOut<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> _tick<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">%<\/span> _cap<span class=\"token punctuation\">;<\/span><br \/>\n        _clock<span class=\"token punctuation\">[<\/span>delay_pos<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>newtimertask<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u53d6\u6d88\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">_CancelTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">auto<\/span> iter <span class=\"token operator\">&#061;<\/span> _timertaskhash<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>iter <span class=\"token operator\">&#061;&#061;<\/span> _timertaskhash<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>WARNING<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;No Exist &#034;<\/span> <span class=\"token operator\">&#043;<\/span> std<span class=\"token operator\">::<\/span><span class=\"token function\">to_string<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034; Task&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        iter<span class=\"token operator\">-&gt;<\/span>second<span class=\"token punctuation\">.<\/span><span class=\"token function\">lock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">TaskCancel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6307\u9488\u79fb\u52a8<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">MoveTick<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _tick <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>_tick <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">%<\/span> _cap<span class=\"token punctuation\">;<\/span><br \/>\n        _clock<span class=\"token punctuation\">[<\/span>_tick<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">clear<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">CreateTimerFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> timerfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">timerfd_create<\/span><span class=\"token punctuation\">(<\/span>CLOCK_MONOTONIC<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>timerfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Timerfd Create Failed&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">itimerspec<\/span> itm<span class=\"token punctuation\">;<\/span><br \/>\n        itm<span class=\"token punctuation\">.<\/span>it_interval<span class=\"token punctuation\">.<\/span>tv_nsec <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        itm<span class=\"token punctuation\">.<\/span>it_interval<span class=\"token punctuation\">.<\/span>tv_sec <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        itm<span class=\"token punctuation\">.<\/span>it_value<span class=\"token punctuation\">.<\/span>tv_nsec <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        itm<span class=\"token punctuation\">.<\/span>it_value<span class=\"token punctuation\">.<\/span>tv_sec <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">timerfd_settime<\/span><span class=\"token punctuation\">(<\/span>timerfd<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>itm<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> timerfd<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u4f20\u7ed9TimerTask\u505a\u91ca\u653e\u56de\u8c03&#xff0c;\u5220\u9664\u54c8\u5e0c\u8868\u4e2d\u8be5\u5bf9\u8c61\u7684weak_ptr<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">DeleteHashKey<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">auto<\/span> iter <span class=\"token operator\">&#061;<\/span> _timertaskhash<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>iter <span class=\"token operator\">!&#061;<\/span> _timertaskhash<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            _timertaskhash<span class=\"token punctuation\">.<\/span><span class=\"token function\">erase<\/span><span class=\"token punctuation\">(<\/span>iter<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/ &#8230;<\/span><br \/>\n<span class=\"token comment\">\/\/ EventLoop\u5b9e\u73b0<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6dfb\u52a0\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token class-name\">TimerWheel<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">AddTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint64_t<\/span> timeout<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> Function <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">RunInLoop<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TimerWheel<span class=\"token operator\">::<\/span>_AddTimerTask<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> id<span class=\"token punctuation\">,<\/span> timeout<span class=\"token punctuation\">,<\/span> cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token comment\">\/\/ \u5237\u65b0\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token class-name\">TimerWheel<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">RefreshTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">RunInLoop<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TimerWheel<span class=\"token operator\">::<\/span>_RefreshTimerTask<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u53d6\u6d88\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token class-name\">TimerWheel<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">CancelTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">RunInLoop<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TimerWheel<span class=\"token operator\">::<\/span>_CancelTimerTask<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>EventLoop\u6a21\u5757\u4ee3\u7801<\/h4>\n<p><span class=\"token keyword\">typedef<\/span> std<span class=\"token operator\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span> Function<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">EventLoop<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>thread<span class=\"token operator\">::<\/span>id _thread_id<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> _event_fd<span class=\"token punctuation\">;<\/span><br \/>\n    Channel _event_channel<span class=\"token punctuation\">;<\/span><br \/>\n    Poller _poller<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>Function<span class=\"token operator\">&gt;<\/span> _tasks_pool<span class=\"token punctuation\">;<\/span><br \/>\n    std<span class=\"token operator\">::<\/span>mutex _mutex<span class=\"token punctuation\">;<\/span><br \/>\n    TimerWheel _timerwheel<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token function\">EventLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token operator\">:<\/span> <span class=\"token function\">_thread_id<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span>this_thread<span class=\"token operator\">::<\/span><span class=\"token function\">get_id<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_event_fd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">CreateEventFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_event_channel<\/span><span class=\"token punctuation\">(<\/span>_event_fd<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_timerwheel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _event_channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">SetReadCallBack<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>EventLoop<span class=\"token operator\">::<\/span>ReadEventFd<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _event_channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">EnableRead<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6267\u884c\u4efb\u52a1\u961f\u5217\u4e2d\u7684\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">RunAllTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>Function<span class=\"token operator\">&gt;<\/span> tmp<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token operator\">::<\/span>unique_lock<span class=\"token operator\">&lt;<\/span>std<span class=\"token operator\">::<\/span>mutex<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">_lock<\/span><span class=\"token punctuation\">(<\/span>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _tasks_pool<span class=\"token punctuation\">.<\/span><span class=\"token function\">swap<\/span><span class=\"token punctuation\">(<\/span>tmp<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">auto<\/span> <span class=\"token operator\">&amp;<\/span>f <span class=\"token operator\">:<\/span> tmp<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token function\">f<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521b\u5efa\u4e8b\u4ef6\u63cf\u8ff0\u7b26fd<\/span><br \/>\n    <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">CreateEventFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> evfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">eventfd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> EFD_CLOEXEC <span class=\"token operator\">|<\/span> EFD_NONBLOCK<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>evfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Create Eventfd Failed&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> evfd<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bfb\u53d6\u4e8b\u4ef6\u63cf\u8ff0\u7b26\u7684\u6570\u636e<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">ReadEventFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">uint64_t<\/span> res <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span>_event_fd<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>res<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>res<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>errno <span class=\"token operator\">&#061;&#061;<\/span> EINTR<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Interrupted By Signal&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>errno <span class=\"token operator\">&#061;&#061;<\/span> EAGAIN<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;No Data Readable&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><br \/>\n                <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Read Eventfd Failed&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5411\u4e8b\u4ef6\u63cf\u8ff0\u7b26\u4e2d\u5199\u5165\u6570\u636e<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">WeakUpEventFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">uint64_t<\/span> val <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>_event_fd<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>val<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>val<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>errno <span class=\"token operator\">&#061;&#061;<\/span> EINTR<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Interrupted By Signal&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><br \/>\n                <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Write Eventfd Failed&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5224\u65ad\u5f53\u524d\u662f\u5426\u5904\u4e8e\u5bf9\u5e94\u7ebf\u7a0b<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">IsInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> _thread_id <span class=\"token operator\">&#061;&#061;<\/span> std<span class=\"token operator\">::<\/span>this_thread<span class=\"token operator\">::<\/span><span class=\"token function\">get_id<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5c06\u4efb\u52a1\u653e\u5165\u4efb\u52a1\u961f\u5217\u4e2d<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">InsertTaskPool<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Function <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token operator\">::<\/span>unique_lock<span class=\"token operator\">&lt;<\/span>std<span class=\"token operator\">::<\/span>mutex<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">_lock<\/span><span class=\"token punctuation\">(<\/span>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _tasks_pool<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token function\">WeakUpEventFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5bf9\u5224\u65ad\u5bf9\u5e94\u7ebf\u7a0b\u64cd\u4f5c\u8fdb\u884c\u65ad\u8a00<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">AssertInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IsInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5f00\u59cb\u4e8b\u4ef6\u8f6e\u8be2\u76d1\u63a7\u6267\u884c<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token operator\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>Channel <span class=\"token operator\">*<\/span><span class=\"token operator\">&gt;<\/span> actives<span class=\"token punctuation\">;<\/span><br \/>\n            _poller<span class=\"token punctuation\">.<\/span><span class=\"token function\">Poll<\/span><span class=\"token punctuation\">(<\/span>actives<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">auto<\/span> <span class=\"token operator\">&amp;<\/span>ch <span class=\"token operator\">:<\/span> actives<span class=\"token punctuation\">)<\/span><br \/>\n                ch<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">HandleEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token function\">RunAllTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6267\u884c\u4efb\u52a1&#xff0c;\u5982\u5728\u5bf9\u5e94\u7ebf\u7a0b\u76f4\u63a5\u6267\u884c&#xff0c;\u4e0d\u5728\u5219\u653e\u5165\u4efb\u52a1\u961f\u5217\u4e2d<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">RunInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Function <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">IsInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token function\">cb<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">else<\/span><br \/>\n            <span class=\"token function\">InsertTaskPool<\/span><span class=\"token punctuation\">(<\/span>cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/  \u66f4\u65b0Poller\u4e2d\u7684\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">UpdateChannel<\/span><span class=\"token punctuation\">(<\/span>ns_eventloop<span class=\"token operator\">::<\/span>Channel <span class=\"token operator\">*<\/span>ch<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _poller<span class=\"token punctuation\">.<\/span><span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span>ch<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u79fb\u9664Poller\u4e2d\u7684\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">RemoveChannel<\/span><span class=\"token punctuation\">(<\/span>ns_eventloop<span class=\"token operator\">::<\/span>Channel <span class=\"token operator\">*<\/span>ch<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _poller<span class=\"token punctuation\">.<\/span><span class=\"token function\">Remove<\/span><span class=\"token punctuation\">(<\/span>ch<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/\u6dfb\u52a0\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">AddTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint64_t<\/span> timeout<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> Function <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _timerwheel<span class=\"token punctuation\">.<\/span><span class=\"token function\">AddTimerTask<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">,<\/span> timeout<span class=\"token punctuation\">,<\/span> cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5237\u65b0\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">RefreshTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _timerwheel<span class=\"token punctuation\">.<\/span><span class=\"token function\">RefreshTimerTask<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u53d6\u6d88\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">CancelTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _timerwheel<span class=\"token punctuation\">.<\/span><span class=\"token function\">CancelTimerTask<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5224\u65ad\u5b9a\u65f6\u4efb\u52a1\u662f\u5426\u5b58\u5728<\/span><br \/>\n    <span class=\"token keyword\">bool<\/span> <span class=\"token function\">ExistTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> _timerwheel<span class=\"token punctuation\">.<\/span><span class=\"token function\">ExistTimerTask<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>\u4e8b\u4ef6\u5faa\u73af\u76d1\u63a7\u5b8c\u6574\u4ee3\u7801<\/h4>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">pragma<\/span> <span class=\"token expression\">once<\/span><\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;iostream&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;thread&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;mutex&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;vector&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;memory&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;functional&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;unordered_map&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cstring&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;cassert&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;unistd.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/eventfd.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/epoll.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;sys\/timerfd.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;log.hpp&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">namespace<\/span> ns_eventloop<br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">EventLoop<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">typedef<\/span> std<span class=\"token operator\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span> EventCallBack<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Channel<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> _fd<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ ns_poller::Poller *_poller;<\/span><br \/>\n        EventLoop <span class=\"token operator\">*<\/span>_loop<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">uint32_t<\/span> _event<span class=\"token punctuation\">;<\/span>                  <span class=\"token comment\">\/\/ \u76d1\u542c\u4e8b\u4ef6<\/span><br \/>\n        <span class=\"token keyword\">uint32_t<\/span> _revent<span class=\"token punctuation\">;<\/span>                 <span class=\"token comment\">\/\/ \u5f53\u524d\u5c31\u7eea\u4e8b\u4ef6<\/span><br \/>\n        EventCallBack _read_callback<span class=\"token punctuation\">;<\/span>     <span class=\"token comment\">\/\/ \u8bfb\u4e8b\u4ef6\u89e6\u53d1\u56de\u8c03\u51fd\u6570<\/span><br \/>\n        EventCallBack _write_callback<span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ \u5199\u4e8b\u4ef6\u89e6\u53d1\u56de\u8c03\u51fd\u6570<\/span><br \/>\n        EventCallBack _error_callback<span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ \u9519\u8bef\u4e8b\u4ef6\u89e6\u53d1\u56de\u8c03\u51fd\u6570<\/span><br \/>\n        EventCallBack _close_callback<span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ \u8fde\u63a5\u5173\u95ed\u4e8b\u4ef6\u89e6\u53d1\u56de\u8c03\u51fd\u6570<\/span><br \/>\n        EventCallBack _anyevent_callback<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u4efb\u610f\u4e8b\u4ef6\u89e6\u53d1\u56de\u8c03\u51fd\u6570<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">Channel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> fd<span class=\"token punctuation\">,<\/span> EventLoop <span class=\"token operator\">*<\/span>loop<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token operator\">:<\/span> <span class=\"token function\">_fd<\/span><span class=\"token punctuation\">(<\/span>fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_event<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_revent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_loop<\/span><span class=\"token punctuation\">(<\/span>loop<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u83b7\u53d6\u63cf\u8ff0\u7b26fd<\/span><br \/>\n        <span class=\"token keyword\">inline<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">GetFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> _fd<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u83b7\u53d6\u5f53\u524d\u76d1\u63a7\u7684\u4e8b\u4ef6<\/span><br \/>\n        <span class=\"token keyword\">inline<\/span> <span class=\"token keyword\">uint32_t<\/span> <span class=\"token function\">GetEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> _event<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u5f53\u524d\u76d1\u63a7\u7684\u63cf\u8ff0\u7b26\u6240\u89e6\u53d1\u7684\u4e8b\u4ef6<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">uint32_t<\/span> event<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _revent <span class=\"token operator\">&#061;<\/span> event<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u53ef\u8bfb\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetReadCallBack<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> EventCallBack <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _read_callback <span class=\"token operator\">&#061;<\/span> cb<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u53ef\u5199\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetWriteCallBack<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> EventCallBack <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _write_callback <span class=\"token operator\">&#061;<\/span> cb<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u9519\u8bef\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetErrorCallBack<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> EventCallBack <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _error_callback <span class=\"token operator\">&#061;<\/span> cb<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u5173\u95ed\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetCloseCallBack<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> EventCallBack <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _close_callback <span class=\"token operator\">&#061;<\/span> cb<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u4efb\u610f\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetAnyEventCallBack<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> EventCallBack <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _anyevent_callback <span class=\"token operator\">&#061;<\/span> cb<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5224\u65ad\u662f\u5426\u76d1\u63a7\u4e86\u53ef\u8bfb\u4e8b\u4ef6<\/span><br \/>\n        <span class=\"token keyword\">bool<\/span> <span class=\"token function\">IsReadEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span>_event <span class=\"token operator\">&amp;<\/span> EPOLLIN<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5224\u65ad\u662f\u5426\u76d1\u63a7\u4e86\u53ef\u5199\u4e8b\u4ef6<\/span><br \/>\n        <span class=\"token keyword\">bool<\/span> <span class=\"token function\">IsWriteEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span>_event <span class=\"token operator\">&amp;<\/span> EPOLLOUT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u542f\u52a8\u53ef\u8bfb\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">EnableRead<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _event <span class=\"token operator\">|&#061;<\/span> EPOLLIN<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u542f\u52a8\u53ef\u5199\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">EnableWrite<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _event <span class=\"token operator\">|&#061;<\/span> EPOLLOUT<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5173\u95ed\u53ef\u8bfb\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">DisableRead<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _event <span class=\"token operator\">&amp;&#061;<\/span> <span class=\"token operator\">~<\/span>EPOLLIN<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5173\u95ed\u53ef\u5199\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">DisableWrite<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _event <span class=\"token operator\">&amp;&#061;<\/span> <span class=\"token operator\">~<\/span>EPOLLOUT<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5173\u95ed\u6240\u6709\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">DisableEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _event <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6dfb\u52a0\u6216\u66f4\u65b0Poller\u4e2d\u7684\u76d1\u63a7<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u79fb\u9664Poller\u4e2d\u7684\u76d1\u63a7<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">Remove<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6267\u884c\u4e8b\u4ef6\u5904\u7406\u56de\u8c03\u51fd\u6570<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">HandleEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>_revent <span class=\"token operator\">&amp;<\/span> EPOLLIN<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span>_revent <span class=\"token operator\">&amp;<\/span> EPOLLRDHUP<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span>_revent <span class=\"token operator\">&amp;<\/span> EPOLLPRI<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_anyevent_callback<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token function\">_anyevent_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token comment\">\/\/ LOG(DEBUG, &#034;READ&#034;);<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_read_callback<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token function\">_read_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_revent <span class=\"token operator\">&amp;<\/span> EPOLLOUT<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_anyevent_callback<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token function\">_anyevent_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token comment\">\/\/ LOG(DEBUG, &#034;Write&#034;);<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_write_callback<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token function\">_write_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_revent <span class=\"token operator\">&amp;<\/span> EPOLLERR<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_anyevent_callback<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token function\">_anyevent_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token comment\">\/\/ LOG(DEBUG, &#034;ERROR&#034;);<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_error_callback<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token function\">_error_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_revent <span class=\"token operator\">&amp;<\/span> EPOLLHUP<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_anyevent_callback<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token function\">_anyevent_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token comment\">\/\/ LOG(DEBUG, &#034;CLOSE&#034;);<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_close_callback<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token function\">_close_callback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">MAX_EPOLLEVENTS<\/span> <span class=\"token expression\"><span class=\"token number\">1024<\/span><\/span><\/span><br \/>\n    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Poller<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> _epollfd<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">epoll_event<\/span> _evts<span class=\"token punctuation\">[<\/span>MAX_EPOLLEVENTS<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>unordered_map<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token punctuation\">,<\/span> Channel <span class=\"token operator\">*<\/span><span class=\"token operator\">&gt;<\/span> _channels<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">Poller<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _epollfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">epoll_create<\/span><span class=\"token punctuation\">(<\/span>MAX_EPOLLEVENTS<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_epollfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>FATAL<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Epollfd Create Failed&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u66f4\u65b0\u6216\u6dfb\u52a0\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span>Channel <span class=\"token operator\">*<\/span>ch<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">bool<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ExistChannel<\/span><span class=\"token punctuation\">(<\/span>ch<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">GetFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                _channels<span class=\"token punctuation\">[<\/span>ch<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">GetFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> ch<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token function\">_Update<\/span><span class=\"token punctuation\">(<\/span>ch<span class=\"token punctuation\">,<\/span> EPOLL_CTL_ADD<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><br \/>\n                <span class=\"token function\">_Update<\/span><span class=\"token punctuation\">(<\/span>ch<span class=\"token punctuation\">,<\/span> EPOLL_CTL_MOD<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u79fb\u9664\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">Remove<\/span><span class=\"token punctuation\">(<\/span>Channel <span class=\"token operator\">*<\/span>ch<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">auto<\/span> iter <span class=\"token operator\">&#061;<\/span> _channels<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>ch<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">GetFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>iter <span class=\"token operator\">!&#061;<\/span> _channels<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                _channels<span class=\"token punctuation\">.<\/span><span class=\"token function\">erase<\/span><span class=\"token punctuation\">(<\/span>iter<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token function\">_Update<\/span><span class=\"token punctuation\">(<\/span>ch<span class=\"token punctuation\">,<\/span> EPOLL_CTL_DEL<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u83b7\u53d6\u89e6\u53d1\u4e8b\u4ef6<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">Poll<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>Channel <span class=\"token operator\">*<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&amp;<\/span>actives<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> nfds <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">epoll_wait<\/span><span class=\"token punctuation\">(<\/span>_epollfd<span class=\"token punctuation\">,<\/span> _evts<span class=\"token punctuation\">,<\/span> MAX_EPOLLEVENTS<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>nfds <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>errno <span class=\"token operator\">&#061;&#061;<\/span> EINTR<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Epoll Wait Failed&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> nfds<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">auto<\/span> iter <span class=\"token operator\">&#061;<\/span> _channels<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>_evts<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>iter <span class=\"token operator\">&#061;&#061;<\/span> _channels<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Fd No Find&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                iter<span class=\"token operator\">-&gt;<\/span>second<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SetEvent<\/span><span class=\"token punctuation\">(<\/span>_evts<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>events<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                actives<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>iter<span class=\"token operator\">-&gt;<\/span>second<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5224\u65ad\u76d1\u542c\u4e8b\u4ef6\u4e2d\u662f\u5426\u5b58\u5728\u5bf9\u5e94\u7684Channel<\/span><br \/>\n        <span class=\"token keyword\">bool<\/span> <span class=\"token function\">ExistChannel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> fd<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">auto<\/span> iter <span class=\"token operator\">&#061;<\/span> _channels<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>iter <span class=\"token operator\">&#061;&#061;<\/span> _channels<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u4fee\u6539epoll\u76d1\u63a7\u7684\u4e8b\u4ef6<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">_Update<\/span><span class=\"token punctuation\">(<\/span>Channel <span class=\"token operator\">*<\/span>ch<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> op<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> fd <span class=\"token operator\">&#061;<\/span> ch<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">GetFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">epoll_event<\/span> evt<span class=\"token punctuation\">;<\/span><br \/>\n            evt<span class=\"token punctuation\">.<\/span>events <span class=\"token operator\">&#061;<\/span> ch<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">GetEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            evt<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>fd <span class=\"token operator\">&#061;<\/span> fd<span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">epoll_ctl<\/span><span class=\"token punctuation\">(<\/span>_epollfd<span class=\"token punctuation\">,<\/span> op<span class=\"token punctuation\">,<\/span> fd<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>evt<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Epoll Update Failed&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">MAX_TIMEOUT<\/span> <span class=\"token expression\"><span class=\"token number\">60<\/span><\/span><\/span><br \/>\n    <span class=\"token keyword\">typedef<\/span> std<span class=\"token operator\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span> Function<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TimerTask<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">uint64_t<\/span> _id<span class=\"token punctuation\">;<\/span>   <span class=\"token comment\">\/\/ \u4efb\u52a1ID<\/span><br \/>\n        <span class=\"token keyword\">bool<\/span> _canceled<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u4efb\u52a1\u72b6\u6001<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> _timeout<span class=\"token punctuation\">;<\/span>   <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u7684\u8d85\u65f6\u65f6\u95f4<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5b9a\u65f6\u4efb\u52a1\u56de\u8c03\u51fd\u6570<\/span><br \/>\n        Function _taskcallback<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5c06\u4efb\u52a1\u5b8c\u5168\u4ece\u65f6\u95f4\u8f6e\u4e2d\u91ca\u653e\u6389\u7684\u56de\u8c03\u51fd\u6570&#xff0c;\u5c31\u662f\u91ca\u653e\u6389\u54c8\u5e0c\u8868\u4e2d\u7684weak_ptr<\/span><br \/>\n        Function _releasecallback<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u6784\u9020\u51fd\u6570<\/span><br \/>\n        <span class=\"token function\">TimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> timeout<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token operator\">:<\/span> <span class=\"token function\">_id<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_canceled<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_timeout<\/span><span class=\"token punctuation\">(<\/span>timeout<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u6790\u6784\u51fd\u6570&#xff0c;\u6761\u4ef6\u6ee1\u8db3\u518d\u6267\u884c\u5b9a\u65f6\u4efb\u52a1\u548c\u91ca\u653e\u7684\u56de\u8c03\u51fd\u6570<\/span><br \/>\n        <span class=\"token operator\">~<\/span><span class=\"token function\">TimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_releasecallback<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token function\">_releasecallback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>_taskcallback <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token operator\">!<\/span>_canceled<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token function\">_taskcallback<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u5b9a\u65f6\u4efb\u52a1\u56de\u8c03\u51fd\u6570<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetTaskCallBack<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Function <span class=\"token operator\">&amp;<\/span>taskcallback<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _taskcallback <span class=\"token operator\">&#061;<\/span> taskcallback<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u91ca\u653e\u7684\u56de\u8c03\u51fd\u6570<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">SetReleaseCallBack<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Function <span class=\"token operator\">&amp;<\/span>releasecallback<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _releasecallback <span class=\"token operator\">&#061;<\/span> releasecallback<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u83b7\u53d6\u5b9a\u65f6\u4efb\u52a1\u7684\u8d85\u65f6\u65f6\u95f4<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> <span class=\"token function\">GetTimeOut<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> _timeout<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u53d6\u6d88\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">TaskCancel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _canceled <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">typedef<\/span> std<span class=\"token operator\">::<\/span>shared_ptr<span class=\"token operator\">&lt;<\/span>TimerTask<span class=\"token operator\">&gt;<\/span> TimerTask_SharedPtr<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">typedef<\/span> std<span class=\"token operator\">::<\/span>weak_ptr<span class=\"token operator\">&lt;<\/span>TimerTask<span class=\"token operator\">&gt;<\/span> TimerTask_WeakPtr<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TimerWheel<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> _tick<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6307\u9488<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> _cap<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u65f6\u95f4\u8f6e\u5bb9\u91cf<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u4e8c\u7ef4\u6570\u7ec4\u7684\u65f6\u95f4\u8f6e<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>std<span class=\"token operator\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>TimerTask_SharedPtr<span class=\"token operator\">&gt;&gt;<\/span> _clock<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5b58\u50a8\u5bf9\u8c61\u7684weak_ptr\u7684\u54c8\u5e0c\u8868<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>unordered_map<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">uint64_t<\/span><span class=\"token punctuation\">,<\/span> TimerTask_WeakPtr<span class=\"token operator\">&gt;<\/span> _timertaskhash<span class=\"token punctuation\">;<\/span><br \/>\n        EventLoop <span class=\"token operator\">*<\/span>_loop<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> _timerfd<span class=\"token punctuation\">;<\/span><br \/>\n        Channel _timerfd_channel<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u6784\u9020\u51fd\u6570<\/span><br \/>\n        <span class=\"token function\">TimerWheel<\/span><span class=\"token punctuation\">(<\/span>EventLoop <span class=\"token operator\">*<\/span>loop<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token operator\">:<\/span> <span class=\"token function\">_tick<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_cap<\/span><span class=\"token punctuation\">(<\/span>MAX_TIMEOUT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_clock<\/span><span class=\"token punctuation\">(<\/span>_cap<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_loop<\/span><span class=\"token punctuation\">(<\/span>loop<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_timerfd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">CreateTimerFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_timerfd_channel<\/span><span class=\"token punctuation\">(<\/span>_timerfd<span class=\"token punctuation\">,<\/span> _loop<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _timerfd_channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">SetReadCallBack<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TimerWheel<span class=\"token operator\">::<\/span>RunTimerTask<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _timerfd_channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">EnableRead<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8fd0\u8f6c\u65f6\u95f4\u8f6e<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">RunTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><\/p>\n<p>            <span class=\"token keyword\">int<\/span> times <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">ReadTimerFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>times<span class=\"token operator\">&#8212;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token function\">MoveTick<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5224\u65ad\u67d0\u5b9a\u65f6\u4efb\u52a1\u662f\u5426\u5b58\u5728<\/span><br \/>\n        <span class=\"token keyword\">bool<\/span> <span class=\"token function\">ExistTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><\/p>\n<p>            <span class=\"token keyword\">auto<\/span> iter <span class=\"token operator\">&#061;<\/span> _timertaskhash<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>iter <span class=\"token operator\">&#061;&#061;<\/span> _timertaskhash<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6dfb\u52a0\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">AddTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint64_t<\/span> timeout<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> Function <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5237\u65b0\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">RefreshTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u53d6\u6d88\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">CancelTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u4ece\u5b9a\u65f6\u5668\u63cf\u8ff0\u7b26\u4e2d\u8bfb\u53d6\u8d85\u65f6\u4e86\u591a\u5c11\u6b21<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> <span class=\"token function\">ReadTimerFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">uint64_t<\/span> times <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span>_timerfd<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>times<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>times<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Timerfd Read Failed&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> times<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6dfb\u52a0\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">_AddTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint64_t<\/span> timeout<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> Function <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>timeout <span class=\"token operator\">&gt;<\/span> _cap <span class=\"token operator\">||<\/span> timeout <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            TimerTask_SharedPtr <span class=\"token function\">timertask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token function\">TimerTask<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">,<\/span> timeout<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            timertask<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SetTaskCallBack<\/span><span class=\"token punctuation\">(<\/span>cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            timertask<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">SetReleaseCallBack<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TimerWheel<span class=\"token operator\">::<\/span>DeleteHashKey<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _clock<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span>_tick <span class=\"token operator\">&#043;<\/span> timeout<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">%<\/span> _cap<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>timertask<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            _timertaskhash<span class=\"token punctuation\">[<\/span>id<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">TimerTask_WeakPtr<\/span><span class=\"token punctuation\">(<\/span>timertask<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5237\u65b0\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">_RefreshTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">auto<\/span> iter <span class=\"token operator\">&#061;<\/span> _timertaskhash<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>iter <span class=\"token operator\">&#061;&#061;<\/span> _timertaskhash<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>WARNING<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;No Exist &#034;<\/span> <span class=\"token operator\">&#043;<\/span> std<span class=\"token operator\">::<\/span><span class=\"token function\">to_string<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034; Task&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            TimerTask_SharedPtr newtimertask <span class=\"token operator\">&#061;<\/span> iter<span class=\"token operator\">-&gt;<\/span>second<span class=\"token punctuation\">.<\/span><span class=\"token function\">lock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> delay_pos <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>newtimertask<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">GetTimeOut<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> _tick<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">%<\/span> _cap<span class=\"token punctuation\">;<\/span><br \/>\n            _clock<span class=\"token punctuation\">[<\/span>delay_pos<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>newtimertask<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u53d6\u6d88\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">_CancelTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">auto<\/span> iter <span class=\"token operator\">&#061;<\/span> _timertaskhash<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>iter <span class=\"token operator\">&#061;&#061;<\/span> _timertaskhash<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>WARNING<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;No Exist &#034;<\/span> <span class=\"token operator\">&#043;<\/span> std<span class=\"token operator\">::<\/span><span class=\"token function\">to_string<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034; Task&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            iter<span class=\"token operator\">-&gt;<\/span>second<span class=\"token punctuation\">.<\/span><span class=\"token function\">lock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">-&gt;<\/span><span class=\"token function\">TaskCancel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6307\u9488\u79fb\u52a8<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">MoveTick<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _tick <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>_tick <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">%<\/span> _cap<span class=\"token punctuation\">;<\/span><br \/>\n            _clock<span class=\"token punctuation\">[<\/span>_tick<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">clear<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">CreateTimerFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> timerfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">timerfd_create<\/span><span class=\"token punctuation\">(<\/span>CLOCK_MONOTONIC<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>timerfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Timerfd Create Failed&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">itimerspec<\/span> itm<span class=\"token punctuation\">;<\/span><br \/>\n            itm<span class=\"token punctuation\">.<\/span>it_interval<span class=\"token punctuation\">.<\/span>tv_nsec <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            itm<span class=\"token punctuation\">.<\/span>it_interval<span class=\"token punctuation\">.<\/span>tv_sec <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            itm<span class=\"token punctuation\">.<\/span>it_value<span class=\"token punctuation\">.<\/span>tv_nsec <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            itm<span class=\"token punctuation\">.<\/span>it_value<span class=\"token punctuation\">.<\/span>tv_sec <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">timerfd_settime<\/span><span class=\"token punctuation\">(<\/span>timerfd<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>itm<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> timerfd<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u4f20\u7ed9TimerTask\u505a\u91ca\u653e\u56de\u8c03&#xff0c;\u5220\u9664\u54c8\u5e0c\u8868\u4e2d\u8be5\u5bf9\u8c61\u7684weak_ptr<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">DeleteHashKey<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">auto<\/span> iter <span class=\"token operator\">&#061;<\/span> _timertaskhash<span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>iter <span class=\"token operator\">!&#061;<\/span> _timertaskhash<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                _timertaskhash<span class=\"token punctuation\">.<\/span><span class=\"token function\">erase<\/span><span class=\"token punctuation\">(<\/span>iter<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">typedef<\/span> std<span class=\"token operator\">::<\/span>function<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">&gt;<\/span> Function<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">EventLoop<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>thread<span class=\"token operator\">::<\/span>id _thread_id<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> _event_fd<span class=\"token punctuation\">;<\/span><br \/>\n        Channel _event_channel<span class=\"token punctuation\">;<\/span><br \/>\n        Poller _poller<span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>Function<span class=\"token operator\">&gt;<\/span> _tasks_pool<span class=\"token punctuation\">;<\/span><br \/>\n        std<span class=\"token operator\">::<\/span>mutex _mutex<span class=\"token punctuation\">;<\/span><br \/>\n        TimerWheel _timerwheel<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">EventLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token operator\">:<\/span> <span class=\"token function\">_thread_id<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span>this_thread<span class=\"token operator\">::<\/span><span class=\"token function\">get_id<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_event_fd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">CreateEventFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_event_channel<\/span><span class=\"token punctuation\">(<\/span>_event_fd<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">_timerwheel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _event_channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">SetReadCallBack<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>EventLoop<span class=\"token operator\">::<\/span>ReadEventFd<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            _event_channel<span class=\"token punctuation\">.<\/span><span class=\"token function\">EnableRead<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u6267\u884c\u4efb\u52a1\u961f\u5217\u4e2d\u7684\u4efb\u52a1<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">RunAllTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            std<span class=\"token operator\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>Function<span class=\"token operator\">&gt;<\/span> tmp<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token operator\">::<\/span>unique_lock<span class=\"token operator\">&lt;<\/span>std<span class=\"token operator\">::<\/span>mutex<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">_lock<\/span><span class=\"token punctuation\">(<\/span>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                _tasks_pool<span class=\"token punctuation\">.<\/span><span class=\"token function\">swap<\/span><span class=\"token punctuation\">(<\/span>tmp<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">auto<\/span> <span class=\"token operator\">&amp;<\/span>f <span class=\"token operator\">:<\/span> tmp<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token function\">f<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u521b\u5efa\u4e8b\u4ef6\u63cf\u8ff0\u7b26fd<\/span><br \/>\n        <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">CreateEventFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> evfd <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">eventfd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> EFD_CLOEXEC <span class=\"token operator\">|<\/span> EFD_NONBLOCK<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>evfd <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Create Eventfd Failed&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> evfd<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8bfb\u53d6\u4e8b\u4ef6\u63cf\u8ff0\u7b26\u7684\u6570\u636e<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">ReadEventFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">uint64_t<\/span> res <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span>_event_fd<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>res<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>res<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>errno <span class=\"token operator\">&#061;&#061;<\/span> EINTR<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Interrupted By Signal&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>errno <span class=\"token operator\">&#061;&#061;<\/span> EAGAIN<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;No Data Readable&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">else<\/span><br \/>\n                    <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Read Eventfd Failed&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5411\u4e8b\u4ef6\u63cf\u8ff0\u7b26\u4e2d\u5199\u5165\u6570\u636e<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">WeakUpEventFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">uint64_t<\/span> val <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> ret <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>_event_fd<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>val<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>val<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ret <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>errno <span class=\"token operator\">&#061;&#061;<\/span> EINTR<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Interrupted By Signal&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">else<\/span><br \/>\n                    <span class=\"token function\">LOG<\/span><span class=\"token punctuation\">(<\/span>ERROR<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Write Eventfd Failed&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5224\u65ad\u5f53\u524d\u662f\u5426\u5904\u4e8e\u5bf9\u5e94\u7ebf\u7a0b<\/span><br \/>\n        <span class=\"token keyword\">bool<\/span> <span class=\"token function\">IsInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> _thread_id <span class=\"token operator\">&#061;&#061;<\/span> std<span class=\"token operator\">::<\/span>this_thread<span class=\"token operator\">::<\/span><span class=\"token function\">get_id<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span><span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5c06\u4efb\u52a1\u653e\u5165\u4efb\u52a1\u961f\u5217\u4e2d<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">InsertTaskPool<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Function <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token operator\">::<\/span>unique_lock<span class=\"token operator\">&lt;<\/span>std<span class=\"token operator\">::<\/span>mutex<span class=\"token operator\">&gt;<\/span> <span class=\"token function\">_lock<\/span><span class=\"token punctuation\">(<\/span>_mutex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                _tasks_pool<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span>cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token function\">WeakUpEventFd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5bf9\u5224\u65ad\u5bf9\u5e94\u7ebf\u7a0b\u64cd\u4f5c\u8fdb\u884c\u65ad\u8a00<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">AssertInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IsInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5f00\u59cb\u4e8b\u4ef6\u8f6e\u8be2\u76d1\u63a7\u6267\u884c<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">Start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">{<\/span><br \/>\n                std<span class=\"token operator\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>Channel <span class=\"token operator\">*<\/span><span class=\"token operator\">&gt;<\/span> actives<span class=\"token punctuation\">;<\/span><br \/>\n                _poller<span class=\"token punctuation\">.<\/span><span class=\"token function\">Poll<\/span><span class=\"token punctuation\">(<\/span>actives<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">auto<\/span> <span class=\"token operator\">&amp;<\/span>ch <span class=\"token operator\">:<\/span> actives<span class=\"token punctuation\">)<\/span><br \/>\n                    ch<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">HandleEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                <span class=\"token function\">RunAllTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6267\u884c\u4efb\u52a1&#xff0c;\u5982\u5728\u5bf9\u5e94\u7ebf\u7a0b\u76f4\u63a5\u6267\u884c&#xff0c;\u4e0d\u5728\u5219\u653e\u5165\u4efb\u52a1\u961f\u5217\u4e2d<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">RunInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> Function <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">IsInLoop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token function\">cb<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">else<\/span><br \/>\n                <span class=\"token function\">InsertTaskPool<\/span><span class=\"token punctuation\">(<\/span>cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/  \u66f4\u65b0Poller\u4e2d\u7684\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">UpdateChannel<\/span><span class=\"token punctuation\">(<\/span>ns_eventloop<span class=\"token operator\">::<\/span>Channel <span class=\"token operator\">*<\/span>ch<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _poller<span class=\"token punctuation\">.<\/span><span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span>ch<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u79fb\u9664Poller\u4e2d\u7684\u4e8b\u4ef6\u76d1\u63a7<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">RemoveChannel<\/span><span class=\"token punctuation\">(<\/span>ns_eventloop<span class=\"token operator\">::<\/span>Channel <span class=\"token operator\">*<\/span>ch<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _poller<span class=\"token punctuation\">.<\/span><span class=\"token function\">Remove<\/span><span class=\"token punctuation\">(<\/span>ch<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/\u6dfb\u52a0\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">AddTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint64_t<\/span> timeout<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> Function <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _timerwheel<span class=\"token punctuation\">.<\/span><span class=\"token function\">AddTimerTask<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">,<\/span> timeout<span class=\"token punctuation\">,<\/span> cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5237\u65b0\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">RefreshTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _timerwheel<span class=\"token punctuation\">.<\/span><span class=\"token function\">RefreshTimerTask<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u53d6\u6d88\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n        <span class=\"token keyword\">void<\/span> <span class=\"token function\">CancelTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            _timerwheel<span class=\"token punctuation\">.<\/span><span class=\"token function\">CancelTimerTask<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5224\u65ad\u5b9a\u65f6\u4efb\u52a1\u662f\u5426\u5b58\u5728<\/span><br \/>\n        <span class=\"token keyword\">bool<\/span> <span class=\"token function\">ExistTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> _timerwheel<span class=\"token punctuation\">.<\/span><span class=\"token function\">ExistTimerTask<\/span><span class=\"token punctuation\">(<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">void<\/span> <span class=\"token class-name\">Channel<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">Update<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">UpdateChannel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token class-name\">Channel<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">Remove<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">RemoveChannel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6dfb\u52a0\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token class-name\">TimerWheel<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">AddTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint64_t<\/span> timeout<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> Function <span class=\"token operator\">&amp;<\/span>cb<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">RunInLoop<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TimerWheel<span class=\"token operator\">::<\/span>_AddTimerTask<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> id<span class=\"token punctuation\">,<\/span> timeout<span class=\"token punctuation\">,<\/span> cb<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5237\u65b0\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token class-name\">TimerWheel<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">RefreshTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">RunInLoop<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TimerWheel<span class=\"token operator\">::<\/span>_RefreshTimerTask<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u53d6\u6d88\u5b9a\u65f6\u4efb\u52a1<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token class-name\">TimerWheel<\/span><span class=\"token operator\">::<\/span><span class=\"token function\">CancelTimerTask<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">uint64_t<\/span> id<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        _loop<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">RunInLoop<\/span><span class=\"token punctuation\">(<\/span>std<span class=\"token operator\">::<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>TimerWheel<span class=\"token operator\">::<\/span>_CancelTimerTask<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/\/ namespace ns_eventloop<\/span><\/p>\n<hr \/>\n<p>\u4e0b\u4e00\u7bc7\u535a\u5ba2\u662fConnection\u6a21\u5757\u7684\u5b9e\u73b0&#xff0c;\u8fd9\u4e2a\u6a21\u5757\u5b9e\u73b0\u8fc7\u7a0b\u6bd4\u8f83\u590d\u6742&#xff0c;\u8fd9\u4e2a\u6a21\u5757\u4e5f\u662f\u9879\u76ee\u7684\u6838\u5fc3\u6a21\u5757<\/p>\n<hr \/>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250420233102-680583b636e72.jpg\" alt=\"\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0\" 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